A dual-layer suction cup includes an outer body, an adhesive soft inner body and an elastic unit. The outer body is made of a hard material. The adhesive soft inner body can be attached to a smooth airtight surface and a rough airtight surface, providing an adhesion effect. The elastic unit will pro
A dual-layer suction cup includes an outer body, an adhesive soft inner body and an elastic unit. The outer body is made of a hard material. The adhesive soft inner body can be attached to a smooth airtight surface and a rough airtight surface, providing an adhesion effect. The elastic unit will provide elasticity in an opposite direction after being pressed, such that the chamber in the suction cup is in a vacuum state to enhance the adhesion effect. The adhesive soft inner body and the elastic unit of the present invention greatly enhance the adhesion effect.
대표청구항▼
1. A dual-layer suction cup, comprising: an outer body, the outer body having a first chamber therein and a second chamber under the first chamber, the second chamber being larger than the first chamber;an adhesive soft inner body adhered to the second chamber of the outer body, the adhesive soft in
1. A dual-layer suction cup, comprising: an outer body, the outer body having a first chamber therein and a second chamber under the first chamber, the second chamber being larger than the first chamber;an adhesive soft inner body adhered to the second chamber of the outer body, the adhesive soft inner body having an opening at a central portion thereof; andan elastic unit disposed in the first chamber, the elastic unit comprising a base connected to the outer body, the base having a central outlet at a lower end thereof; a slide seat disposed in the base, the slide seat being movable inward or outward within the base, and an elastic member received in the slide seat,wherein the outer body has a dish-like shape and a protruding central portion, the outer body includes a connection mouth on a top end thereof and a partition under the connection mouth, and the first chamber is disposed under the partition inside the outer body. 2. The dual-layer suction cup as claimed in claim 1, wherein the outer body has an annular flange. 3. The dual-layer suction cup as claimed in claim 1, wherein the outer body has an annular rib on top of an outer edge of the outer body. 4. The dual-layer suction cup as claimed in claim 1, wherein the outer body has an annular groove on a side of the first chamber, the elastic unit has an engaging ring on an outer wall of the base, and the engaging ring is located in the annular groove of the outer body. 5. The dual-layer suction cup as claimed in claim 1, wherein the elastic unit comprises the base, the slide seat, the elastic member, and a top lid; the base being hollow inside, the base having the central outlet at the lower end thereof; the slide seat being accommodated in the base and is movable inward or outward, the slide seat having an open upper end, an accommodation room, a closed lower end, a closed side wall and an extension flange on the upper end of the slide seat, the extension flange being blocked by a stop ring of the base; the elastic member being received in the accommodation room of the slide seat, the elastic member being a spring, the top lid being disposed on top of the base, the top lid having a positioning ring at a bottom of the top lid and a space formed in the positioning ring to accommodate an upper end of the elastic member. 6. The dual-layer suction cup as claimed in claim 1, wherein the outer body is made of a hard material which has a hardness ranged from 65 to 75 degrees Shore and is made of either Thermoplastic Elastomer (TPE) or Thermoplastic Rubber (TPR). 7. The dual-layer suction cup as claimed in claim 1, wherein the adhesive soft inner body is made of a soft material which has a hardness ranged from 0 to 10 degrees Shore and is made of either Thermoplastic Elastomer (TPE) or Thermoplastic Rubber (TPR). 8. A dual-layer suction cup, comprising: an outer body, the outer body having a first chamber therein and a second chamber under the first chamber, the second chamber being larger than the first chamber;an adhesive soft inner body adhered to the second chamber of the outer body, the adhesive soft inner body having an opening at a central portion thereof; andan elastic unit disposed in the first chamber, the elastic unit comprising a base connected to the outer body, the base having a central outlet at a lower end thereof; a slide seat disposed in the base, the slide seat being movable inward or outward within the base, and an elastic member received in the slide seat,wherein the outer body has an annular groove on a side of the first chamber, the elastic unit has an engaging ring on an outer wall of the base, and the engaging ring is located in the annular groove of the outer body. 9. A dual-layer suction cup, comprising: an outer body, the outer body having a first chamber therein and a second chamber under the first chamber, the second chamber being larger than the first chamber;an adhesive soft inner body adhered to the second chamber of the outer body, the adhesive soft inner body having an opening at a central portion thereof; andan elastic unit disposed in the first chamber, the elastic unit comprising a base connected to the outer body, the base having a central outlet at a lower end thereof; a slide seat disposed in the base, the slide seat being movable inward or outward within the base, and an elastic member received in the slide seat,wherein the elastic unit comprises the base, the slide seat, the elastic member, and a top lid; the base being hollow inside, the base having the central outlet at the lower end thereof; the slide seat being accommodated in the base and is movable inward or outward, the slide seat having an open upper end, an accommodation room, a closed lower end, a closed side wall and an extension flange on the upper end of the slide seat, the extension flange being blocked by a stop ring of the base; the elastic member being received in the accommodation room of the slide seat, the elastic member being a spring, the top lid being disposed on top of the base, the top lid having a positioning ring at a bottom of the top lid and a space formed in the positioning ring to accommodate an upper end of the elastic member.
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이 특허에 인용된 특허 (6)
Stoll Kurt (Lenzhalde 72 1300 Esslingen DEX), Device for handling workpieces.
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