A telescopic pipe structure for a pole saw includes an inner pipe, an outer pipe fitted to the inner pipe and moving relative to the inner pipe, and an adjusting device. The adjusting device includes a body, a pressing unit, and an adjusting unit. The outer pipe is penetratingly disposed at a sleeve
A telescopic pipe structure for a pole saw includes an inner pipe, an outer pipe fitted to the inner pipe and moving relative to the inner pipe, and an adjusting device. The adjusting device includes a body, a pressing unit, and an adjusting unit. The outer pipe is penetratingly disposed at a sleeve hole of the body. The pressing unit is pivotally disposed a pressing portion of the body to press against inner pipe and stop movement of the inner pipe. The adjusting unit is disposed at a positioning portion of the body and has a driving element and a positioning element driven by the driving element. The driving element can be at first and second positions, and thus the positioning element moves in one and another directions of the sleeve hole, so as to enable and disable the positioning of the outer and inner pipes, respectively.
대표청구항▼
1. A telescopic pipe structure for a pole saw, comprising: an inner pipe;an outer pipe fitted to the inner pipe and adapted to move relative to the inner pipe; andan adjusting device comprising a body, a pressing unit, and an adjusting unit,wherein the body has a sleeve hole, a pressing portion, and
1. A telescopic pipe structure for a pole saw, comprising: an inner pipe;an outer pipe fitted to the inner pipe and adapted to move relative to the inner pipe; andan adjusting device comprising a body, a pressing unit, and an adjusting unit,wherein the body has a sleeve hole, a pressing portion, and a positioning portion positioned opposite to the pressing portion,wherein a receiving chamber arranged perpendicular, and positioned proximate, to the outer pipe is disposed at the positioning portion,wherein the outer pipe is slidably and penetratingly disposed at the sleeve hole,wherein the pressing unit is pivotally disposed at the pressing portion to press against the inner pipe and stop the inner pipe from moving relative to the outer pipe,wherein the adjusting unit is disposed at the positioning portion and comprises a driving element, a positioning element, a spring, and a pin,wherein the spring and the driving element are received in the receiving chamber consecutively,wherein the driving element is pushed by the spring to therefore undergo a reverse displacement,wherein the driving element has a through connecting slot and a sloping slot in communication with the connecting slot,wherein two ends of the sloping slot are defined as a high-level end and a low-level end, respectively,wherein the pin is disposed at the positioning element and moves between the high-level end and the low-level end of the sloping slot,wherein, when the driving element protrudes from a first position of the body, the pin is located at the high-level end and causes the positioning element to move in a direction of the sleeve hole, so as to enable the positioning of the outer pipe and the inner pipe, andwherein, when the driving element protrudes from a second position of the body, the pin is located at the low-level end and causes the positioning element to move in another direction of the sleeve hole, so as to disable the positioning of the outer pipe and the inner pipe. 2. The telescopic pipe structure of claim 1, wherein the positioning element has a fixing hole, wherein a through-hole and a via hole, which are perpendicular to each other and in communication with the receiving chamber, are disposed at the positioning portion of the body, wherein the through-hole crosses the outer pipe perpendicularly and is in communication with the sleeve hole, wherein the via hole is parallel to the outer pipe, wherein the inner pipe and the outer pipe have at least a positioning hole, respectively, and the at least a positioning hole is opposite to the through-hole, wherein the connecting slot and the sloping slot of the driving element face the through-hole and the via hole, respectively, wherein the positioning element penetrates the through-hole, the connecting slot, and the positioning holes, wherein the pin penetrates the via hole, the sloping slot, and the fixing hole, wherein, when the driving element is at the first position, the pin causes the positioning element to be penetratingly disposed at the positioning holes of the outer pipe and the inner pipe, wherein, when the driving element is at the second position, the pin causes the positioning element to separate from the positioning holes of the outer pipe and the inner pipe. 3. The telescopic pipe structure of claim 1, wherein the sleeve hole of the body is defined with a first end portion and a second end portion according to the positions of the outer pipe and the inner pipe, the second end portion extending toward a center of the sleeve hole to form a stabilizing portion, wherein the outer pipe is penetratingly disposed at the sleeve hole and abuts against the stabilizing portion, wherein a stabilizing element is disposed at an end of the inner pipe, wherein the inner pipe is penetratingly disposed at the outer pipe, wherein an outer rim of the stabilizing element abuts against an inner surface of the outer pipe, wherein an outer surface of the inner pipe abuts against an inner rim of the stabilizing portion. 4. The telescopic pipe structure of claim 1, wherein the pressing unit has a stopping element and a shaft, wherein a handle and a cam are disposed at two ends of the stopping element, respectively, wherein the shaft is penetratingly disposed at the cam and pivotally disposed at the pressing portion. 5. The telescopic pipe structure of claim 4, wherein the positioning element has a fixing hole, wherein a through-hole and a via hole, which are perpendicular to each other and in communication with the receiving chamber, are disposed at the positioning portion of the body, wherein the through-hole crosses the outer pipe perpendicularly and is in communication with the sleeve hole, wherein the via hole is parallel to the outer pipe, wherein the inner pipe and the outer pipe have at least a positioning hole, respectively, and the at least a positioning hole is opposite to the through-hole, wherein the connecting slot and the sloping slot of the driving element face the through-hole and the via hole, respectively, wherein the positioning element penetrates the through-hole, the connecting slot, and the positioning holes, wherein the pin penetrates the via hole, the sloping slot, and the fixing hole, wherein, when the driving element is at the first position, the pin causes the positioning element to be penetratingly disposed at the positioning holes of the outer pipe and the inner pipe, wherein, when the driving element is at the second position, the pin causes the positioning element to separate from the positioning holes of the outer pipe and the inner pipe. 6. The telescopic pipe structure of claim 4, wherein the sleeve hole of the body is defined with a first end portion and a second end portion according to the positions of the outer pipe and the inner pipe, the second end portion extending toward a center of the sleeve hole to form a stabilizing portion, wherein the outer pipe is penetratingly disposed at the sleeve hole and abuts against the stabilizing portion, wherein a stabilizing element is disposed at an end of the inner pipe, wherein the inner pipe is penetratingly disposed at the outer pipe, wherein an outer rim of the stabilizing element abuts against an inner surface of the outer pipe, wherein an outer surface of the inner pipe abuts against an inner rim of the stabilizing portion. 7. The telescopic pipe structure of claim 4, wherein the outer pipe is penetratingly connected to an end of the body and has an oblong hole positioned proximate to the pressing portion, wherein a press plate is disposed at the pressing portion of the body, wherein the press plate has an end fixedly connected to the body, wherein, when pressed on by the cam, another end of the press plate moves toward the sleeve hole and enters the oblong hole to therefore press against the inner pipe. 8. The telescopic pipe structure of claim 7, wherein the positioning element has a fixing hole, wherein a through-hole and a via hole, which are perpendicular to each other and in communication with the receiving chamber, are disposed at the positioning portion of the body, wherein the through-hole crosses the outer pipe perpendicularly and is in communication with the sleeve hole, wherein the via hole is parallel to the outer pipe, wherein the inner pipe and the outer pipe have at least a positioning hole, respectively, and the at least a positioning hole is opposite to the through-hole, wherein the connecting slot and the sloping slot of the driving element face the through-hole and the via hole, respectively, wherein the positioning element penetrates the through-hole, the connecting slot, and the positioning holes, wherein the pin penetrates the via hole, the sloping slot, and the fixing hole, wherein, when the driving element is at the first position, the pin causes the positioning element to be penetratingly disposed at the positioning holes of the outer pipe and the inner pipe, wherein, when the driving element is at the second position, the pin causes the positioning element to separate from the positioning holes of the outer pipe and the inner pipe. 9. The telescopic pipe structure of claim 7, wherein the sleeve hole of the body is defined with a first end portion and a second end portion according to the positions of the outer pipe and the inner pipe, the second end portion extending toward a center of the sleeve hole to form a stabilizing portion, wherein the outer pipe is penetratingly disposed at the sleeve hole and abuts against the stabilizing portion, wherein a stabilizing element is disposed at an end of the inner pipe, wherein the inner pipe is penetratingly disposed at the outer pipe, wherein an outer rim of the stabilizing element abuts against an inner surface of the outer pipe, wherein an outer surface of the inner pipe abuts against an inner rim of the stabilizing portion. 10. The telescopic pipe structure of claim 7, wherein a protruding portion is disposed at the cam of the stopping element, wherein the handle swings about the shaft, wherein the protruding portion presses on or releases the press plate in accordance with the swing of the handle. 11. The telescopic pipe structure of claim 10, wherein the positioning element has a fixing hole, wherein a through-hole and a via hole, which are perpendicular to each other and in communication with the receiving chamber, are disposed at the positioning portion of the body, wherein the through-hole crosses the outer pipe perpendicularly and is in communication with the sleeve hole, wherein the via hole is parallel to the outer pipe, wherein the inner pipe and the outer pipe have at least a positioning hole, respectively, and the at least a positioning hole is opposite to the through-hole, wherein the connecting slot and the sloping slot of the driving element face the through-hole and the via hole, respectively, wherein the positioning element penetrates the through-hole, the connecting slot, and the positioning holes, wherein the pin penetrates the via hole, the sloping slot, and the fixing hole, wherein, when the driving element is at the first position, the pin causes the positioning element to be penetratingly disposed at the positioning holes of the outer pipe and the inner pipe, wherein, when the driving element is at the second position, the pin causes the positioning element to separate from the positioning holes of the outer pipe and the inner pipe. 12. The telescopic pipe structure of claim 10, wherein the sleeve hole of the body is defined with a first end portion and a second end portion according to the positions of the outer pipe and the inner pipe, the second end portion extending toward a center of the sleeve hole to form a stabilizing portion, wherein the outer pipe is penetratingly disposed at the sleeve hole and abuts against the stabilizing portion, wherein a stabilizing element is disposed at an end of the inner pipe, wherein the inner pipe is penetratingly disposed at the outer pipe, wherein an outer rim of the stabilizing element abuts against an inner surface of the outer pipe, wherein an outer surface of the inner pipe abuts against an inner rim of the stabilizing portion.
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이 특허에 인용된 특허 (4)
Wang, Kuang Pin, Adjustment structure of garden shears.
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