CN-2017 1 0449973 (2017-06-09); CN-2017 1 0449974 (2017-06-09); CN-2017 2 0694905 U (2017-06-09); CN-2017 2 0694971 U (2017-06-09); CN-2017 2 0694972 U (2017-06-09); CN-2017 2 0694973 U (2017-06-09); CN-2017 2 0694974 U (2017-06-09); CN-2017 2 0694975 U (2017-06-09); CN-2017 2 0695021 U (2017-06-09); CN-2017 2 0695022 U (2017-06-09); CN-2017 2 0695023 U (2017-06-09); CN-2017 2 0948557 U (2017-07-27)
발명자
/ 주소
Sun, Benlong
출원인 / 주소
Blue Ridge Recreational Gear, LLC
대리인 / 주소
WPAT, P.C., Intellectual Property Attorneys
인용정보
피인용 횟수 :
0인용 특허 :
30
초록▼
A translational collapsible wagon includes a frame assembly, a tow bar assembly and wheels. The frame assembly includes a bottom frame, a front frame, a rear frame and collapsible side frames arranged on the left side and the right side of the bottom frame. Each side frame includes coplanar X-shaped
A translational collapsible wagon includes a frame assembly, a tow bar assembly and wheels. The frame assembly includes a bottom frame, a front frame, a rear frame and collapsible side frames arranged on the left side and the right side of the bottom frame. Each side frame includes coplanar X-shaped cross tube assemblies. Each coplanar X-shaped cross tube assembly includes a first oblique tube, two second oblique tubes and a hollow seat. A strip opening is formed in the middle of the hollow seat in the front-back direction. Tube connectors are oppositely arranged at the front end and the rear end of the hollow seat in the vertical direction respectively. The first oblique tube penetrates through the strip opening and is hinged to the middle of the strip opening at the center through a hinge shaft. The two second oblique tubes are mounted in the tube connectors at the front end and the rear end of the hollow seat respectively and arranged in parallel and intersect with the first oblique in an X shape. The first oblique tube, the two second oblique tubes and the hollow seat are all located on the same plane.
대표청구항▼
1. A translational collapsible wagon, comprising: a frame assembly;a tow bar assembly and wheels; andtube connectors;wherein the tow bar assembly is arranged in front of the frame assembly, the wheels are arranged at the bottom of the frame assembly, and the frame assembly comprises:a bottom frame,
1. A translational collapsible wagon, comprising: a frame assembly;a tow bar assembly and wheels; andtube connectors;wherein the tow bar assembly is arranged in front of the frame assembly, the wheels are arranged at the bottom of the frame assembly, and the frame assembly comprises:a bottom frame, a front frame arranged in front of the bottom frame, a rear frame arranged behind the bottom frame, and collapsible side frames arranged on the left side and the right side of the bottom frame;wherein the front frame comprises an upper cross beam, a lower cross beam, inner guide tubes and outer guide tubes, the inner guide tubes and the outer guide tubes are all arranged vertically;wherein each side frame comprises coplanar X-shaped cross tube assemblies;wherein each coplanar X-shaped cross tube assembly comprises a first oblique tube, two second oblique tubes and a hollow seat;wherein the tube connectors oppositely arranged at a front end and a rear end of the hollow seat in the vertical direction respectively;wherein the two second oblique tubes are mounted in the tube connectors at the front end and the rear end of the hollow seat respectively, and the two second oblique tubes are arranged in parallel and intersect with the first oblique tube in an X shape. 2. The translational collapsible wagon of claim 1, comprising wherein a strip opening is formed in the middle of the hollow seat and the first oblique tube that penetrates through the strip opening of the hollow seat and is hinged about the strip opening through a hinge shaft; andwherein the first oblique tube is at least 50% greater in length than either of the two second oblique tubes. 3. The translational collapsible wagon of claim 1, wherein about the strip opening through a hinge shaft includes the center of the strip opening through a hinge shaft. 4. The translational collapsible wagon of claim 1, wherein the first oblique tube, the two second oblique tubes and the hollow seat are all located on the same plane. 5. The translational collapsible wagon of claim 1, wherein the front ends and the rear ends of the side frames are hinged to the front frame and the rear frame through upper brackets and lower brackets respectively. 6. The translational collapsible wagon of claim 1, wherein the bottom frame comprises a front bottom beam and a rear bottom beam, the rear end of the front bottom beam and the front end of the rear bottom beam are turned by 90 degrees to be hinged together, the front end of the front bottom beam is hinged to the lower brackets of the front frame, and the rear end of the rear bottom beam is hinged to the lower brackets of the rear frame. 7. The translational collapsible wagon of claim 6, wherein the upper ends of the inner guide tubes are connected with the upper cross beam through the upper brackets, the lower ends of the inner guide tubes are mounted in the outer guide tubes in a vertically telescopic mode, and the lower ends of the outer guide tubes are connected with the lower cross beam through the lower brackets and the structure of the rear frame is the same as the structure of the front frame. 8. The translational collapsible wagon of claim 1, wherein each side frame comprises: two coplanar X-shaped cross tube assemblies arranged side by side, the two coplanar X-shaped cross tube assemblies are a front coplanar X-shaped cross tube assembly and a rear coplanar X-shaped cross tube assembly respectively. 9. The translational collapsible wagon of claim 8, wherein the front end of the first oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the lower bracket on the left side of the front frame, and the rear end of the first oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the front end of the front second oblique tube of the rear coplanar X-shaped cross tube assembly on the same side through a hinged joint. 10. The translational collapsible wagon of claim 1, wherein the front end of the front second oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the upper bracket on the left side of the front frame, andwherein the rear end of the rear second oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the left end of a bottom beam support bar. 11. The translational collapsible wagon of claim 1, wherein the front end of the first oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the left end of the bottom beam support bar;wherein the rear end of the first oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the upper bracket of the rear frame, andwherein the rear end of the rear second oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the left side of the bottom frame is hinged to the lower bracket on the left side of the rear frame. 12. The translational collapsible wagon of claim 1, wherein the front end of the first oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the upper bracket on the right side of the front frame;wherein the rear end of the first oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the right end of the bottom beam support bar, andwherein the front end of the front second oblique tube of the front coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the lower bracket on the right side of the front frame, and the rear end of the rear oblique second tube of the front coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the front end of the first oblique tube of the rear coplanar X-shaped cross tube assembly on the same side through a hinged joint. 13. The translational collapsible wagon of claim 12, wherein the rear end of the first oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the lower bracket on the right side of the rear frame, the front end of the front second oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the right end of the bottom beam support bar, andwherein the rear end of the rear second oblique tube of the rear coplanar X-shaped cross tube assembly of the side frame on the right side of the bottom frame is hinged to the upper bracket of the rear frame; the bottom beam support bar is located below the hinge point of the front bottom beam and the rear bottom beam. 14. The translational collapsible wagon of claim 1, wherein the tow bar assembly comprises a handle, an upper tow bar, a lower tow bar, a telescopic mechanism, a button, a gear adjustment mechanism and a tow bar seat;wherein the upper end of the upper tow bar is fixedly connected with the handle, the lower end of the upper tow bar is mounted in the lower tow bar in a vertically telescopic mode through the telescopic mechanism, and the lower end of the lower tow bar is mounted on the tow bar seat through a tow bar head; andwherein the telescopic mechanism comprises an ejection bar, a shifting fork, an ejection column and a double-headed spherical body; wherein the ejection bar is located in the upper tow bar, the upper end of the ejection bar is connected with the button, the button is located in the upper tow bar and mounted at the position of the handle, the shifting fork is fixed to the lower end of the ejection bar, the double-headed spherical body is fixed to the bottom of the shifting fork from bottom to top through the ejection column. 15. The translational collapsible wagon of claim 1, wherein two spherical bodies of the double-headed spherical body stretch leftwards and rightwards out of the upper tow bar respectively; spherical openings used for allowing the two spherical bodies of the double-headed spherical body to be clamped therein are formed on the left right and the right side of the upper end of the lower tow bar respectively, and the portions, where the spherical openings are located, of the upper end of the lower tow bar are sleeved with protective jackets; andwherein the gear adjustment mechanism comprises a tow bar seat, gears, a gear spring and a positioning bolt, wherein the upper portion of the tow bar head is fixedly connected with the lower end of the lower tow bar, the gears are mounted on the left side and the right side of the tow bar head, and gear teeth are arranged on the sides, facing the tow bar head, of the gears; the lower portion of the tow bar head is in a roller shape, and gear grooves used for being matched with the gear teeth are formed in the left end and the right end of the roller respectively; the gear spring is located in the roller, and the left end and the right end of the gear spring are connected with the gears respectively;wherein the lower portion of the tow bar seat is fixed to the frame, the upper portion of the tow bar seat is in a U shape, and the tow bar head is located in the U shape; andwherein the positioning bolt sequentially penetrates through the right side of the upper portion of the tow bar seat, the gear seat on the right side of the tow bar head, the right side of the tow bar head, the gear spring, the left side of the tow bar head, the gear seat on the left side of the tow bar head and the left side of the upper portion of the tow bar seat from right to left to be connected with a nut; the gears are arranged on the positioning bolt in a sleeving mode, the gear teeth on the gears are inserted into the gear grooves in the tow bar head, and the gears rotate around the positioning bolt along with the tow bar head and move leftwards and rightwards in the axial direction of the positioning bolt under the effect of the gear spring; the tow bar head is arranged on the positioning bolt in a sleeving mode and can rotate around the positioning bolt. 16. The translational collapsible wagon of claim 1, wherein the wheels are connected with the lower brackets through wheel quick-dismounting mechanisms, each wheel quick-dismounting mechanism comprises a wheel carrier, a wheel lock ring and a wheel lock ring reset spring, the wheels are rotatably mounted on the wheel carriers, limiting shafts are arranged at the tops of the wheel carriers, and annular clamping grooves are formed in the upper portions of the limiting shafts;wherein limiting shaft mounting openings are formed in the lower brackets in the axial direction, wheel lock ring limiting openings used for allowing the wheel lock rings to be placed therein are formed in the lower brackets in the horizontal direction, the wheel lock rings are mounted in the wheel lock ring limiting openings in a horizontal moving mode through the wheel lock ring reset springs, and the wheel lock ring limiting openings communicate with the limiting shaft mounting openings; andwherein the limiting shafts penetrate through the limiting shaft mounting openings and the wheel lock rings from bottom to top, and the wheel lock rings are clamped in the annular clamping grooves of the limiting shafts under the effect of the wheel lock ring reset springs. 17. The translational collapsible wagon of claim 1, comprising a cloth cover quick-dismounting mechanism, and a cloth cover is mounted on the frame assembly through the cloth cover quick-dismounting mechanism; the cloth cover quick-dismounting mechanism comprises cloth cover lock rings, cloth cover lock ring reset springs and limiting caps; cloth cover mounting grooves used for allowing cloth cover connecting pieces connected with the cloth cover to be placed therein and cloth cover lock ring limiting openings used for allowing the cloth cover lock rings to be placed therein are formed in the upper brackets in the horizontal direction, and wherein the lock ring limiting openings are located below the cloth cover mounting grooves; limiting cap mounting openings are formed in the upper brackets in the axial direction and communicate with the cloth cover mounting grooves and the cloth cover lock ring limiting openings;wherein the cloth cover lock rings are mounted in the cloth cover lock ring limiting openings in a horizontal moving mode through the cloth cover lock ring reset springs; andwherein annular clamping grooves are formed in the lower portions of the limiting caps, and the limiting caps penetrate through the limiting cap mounting openings, the cloth cover connecting pieces, and the cloth cover lock rings from top to bottom, and the cloth cover lock rings are clamped in the annular clamping grooves in the limiting caps. 18. The translational collapsible wagon of claim 1, wherein the tow bar assembly comprises a handle, an upper tow bar, a lower tow bar, a telescopic mechanism, a button, a gear adjustment mechanism and a tow bar seat;wherein the upper end of the upper tow bar is fixedly connected with the handle, the lower end of the upper tow bar is mounted in the lower tow bar in a vertically telescopic mode through the telescopic mechanism, and the lower end of the lower tow bar is mounted on the tow bar seat through a tow bar head;wherein the telescopic mechanism comprises an ejection bar, a steel ball seat, steel balls, an ejection spring and a spring seat, wherein the ejection bar is located in the upper tow bar, the upper end of the ejection bar is connected with the button, and the button is located in the upper tow bar and mounted at the position of the handle; the steel ball seat is fixed to the lower end of the ejection bar, the spring seat is located below the steel ball seat and mounted in the upper tow bar, the upper end of the ejection spring is connected with the steel ball seat, and the lower end of the ejection spring is mounted on the spring seat;wherein a positioning piece is arranged above the steel ball seat, unlocking grooves and limiting grooves are formed in the steel ball seat from top to bottom, first limiting openings used for allowing the steel balls to be clamped therein for limiting are formed in the front side and the rear side of the lower end of the upper tow bar respectively, second limiting openings corresponding to the first limiting openings are formed in the front side and the rear side of the upper end of the lower tow bar respectively, and the portions;wherein the second limiting openings are located, of the upper end of the lower tow bar are sleeved with protective jackets; the steel balls are clamped into the limiting grooves and the second limiting openings simultaneously when the upper tow bar stretches out of the lower tow bar and is locked, and the steel balls slide out of the limiting grooves to be clamped into the unlocking grooves when the upper tow bar retracts into the lower tow bar and is unlocked;wherein the gear adjustment mechanism comprises gears, a gear spring and a positioning bolt, wherein the upper portion of the tow bar head is fixedly connected with the lower end of the lower tow bar, the gears are mounted on the left side and the right side of the tow bar head, and gear teeth are mounted on the sides, facing the tow bar head, of the gears; the lower portion of the tow bar head is in a roller shape, gear grooves used for being matched with the gear teeth are formed in the left end and the right end of the roller respectively, the gear spring is located in the roller, and the left end and the right end of the gear spring are connected with the gears respectively; the lower portion of the tow bar seat is fixed to the frame, the upper portion of the tow bar seat is in a U shape;wherein the tow bar head is located in the U shape; the positioning bolt sequentially penetrates through the right side of the upper portion of the tow bar seat, the gear seat on the right side of the tow bar head, the right side of the tow bar head, the gear spring, the left side of the tow bar head, the gears on the left side of the tow bar head and the left side of the upper portion of the tow bar seat from right to left to be connected with a nut;wherein the gears are arranged on the positioning bolt in a sleeving mode, the gear teeth on the gears are inserted into the gear grooves in the tow bar head, and the gears rotate around the positioning bolt along with the tow bar head and move leftwards and rightwards along the positioning bolt under the effect of the gear spring; andwherein the tow bar head is arranged on the positioning bolt in a sleeving mode and can rotate around the positioning bolt. 19. The translational collapsible wagon of claim 1, wherein the front bottom beam and the rear bottom beam are each in a U shape, turning seats are arranged at the rear end of the front bottom beam and the front end of the rear bottom beam respectively, and wherein the two turning seats are hinged together through a hinge shaft; the front end of the front bottom beam is hinged to the lower brackets on the front frame, and the rear end of the rear bottom beam is hinged to the lower brackets on the rear frame.
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