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CN-224209750-U - Tweezers stop device

CN224209750UCN 224209750 UCN224209750 UCN 224209750UCN-224209750-U

Abstract

The utility model discloses a tweezers limiting device which comprises a U-shaped main body, a screw and a connecting rope, wherein the U-shaped main body is provided with a rope hole, a screw hole and a contact surface, the rope hole is arranged on the side face of the U-shaped main body, the screw hole is arranged on the upper side of the U-shaped main body, the contact surface is arranged on the inner wall of the lower side of the U-shaped main body, the connecting rope penetrates through the rope hole and is attached to the contact surface and tweezers, and the screw penetrates through the screw hole and is connected with the U-shaped main body, so that the connecting rope is fixed between the contact surface and the screw. The effect of realizing quick and accurate opening limit and adapting to tweezers with different specifications is achieved.

Inventors

  • XIAO YU
  • MENG JIE
  • DAI SHAN
  • LIU MAOYING

Assignees

  • 上海华岭申瓷集成电路有限责任公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (10)

  1. 1. The tweezers limiting device is characterized by comprising a U-shaped main body (1), a screw (2) and a connecting rope (3), wherein a rope hole (11), a screw hole (12) and a contact surface (13) are formed in the U-shaped main body (1), the rope hole (11) is formed in the side face of the U-shaped main body (1), the screw hole (12) is formed in the upper side of the U-shaped main body (1), the contact surface (13) is formed in the inner wall of the lower side of the U-shaped main body (1), the connecting rope (3) penetrates through the rope hole (11) and is attached to the contact surface (13) and tweezers, and the screw (2) penetrates through the screw hole (12) and is connected with the U-shaped main body (1) so that the connecting rope (3) is fixed between the contact surface (13) and the screw (2).
  2. 2. Forceps limit device according to claim 1, characterized in that the contact surface (13) is provided with anti-slip structures.
  3. 3. The forceps stop device of claim 2, wherein the relief texture of the slip resistant structure is a machined surface relief or depression.
  4. 4. The forceps limit device according to claim 2, wherein the anti-slip structure is a high friction material layer fixed on the contact surface (13) by coating, adhesion or cladding, and the high friction material layer is a rubber layer, a silica gel layer, a polyurethane layer, a thermoplastic elastomer layer or a fluororubber layer.
  5. 5. The tweezers limiting device according to claim 2, wherein the contact part between the bottom of the screw (2) and the tweezers is provided with an anti-slip structure, and the anti-slip structure is a concave-convex texture formed by roughening the bottom surface of the screw (2).
  6. 6. The tweezers limiting device according to claim 1, characterized in that the contact part between the bottom of the screw (2) and the tweezers is provided with an anti-slip structure, and the anti-slip structure is a high friction coefficient material layer coated or adhered on the bottom of the screw (2).
  7. 7. Forceps stop device according to claim 1, characterized in that the screw (2) is of flat head construction, the outer periphery of the head of which is in close fit connection with the inner wall of the screw hole (12).
  8. 8. Forceps limit device according to claim 1, characterized in that the outer surface of the connecting cord (3) is provided with friction enhancing structures, which are roughened areas of the outer surface of the connecting cord (3).
  9. 9. Forceps limit device according to claim 1, characterized in that the U-shaped body (1) is made of an elastic metal or engineering plastic, which is elastically deformed when the screw (2) is pressed.
  10. 10. The tweezers stop device according to any one of claims 1 to 9, wherein the rope hole (11) is a through hole structure, the two ends of the connecting rope (3) are respectively and independently adjusted to pass through the through hole, and the screw (2) forms clamping stop for the tweezers through the pressing contact surface (13) and the connecting rope (3).

Description

Tweezers stop device Technical Field The utility model relates to a tweezers limiting device, in particular to a detachable tweezers limiting device. Background At present, tweezers are required to be used for a long time in super precision in certain special operation fields, such as the semiconductor accessory probe card manufacturing industry, the biomedical field, the thermal power plant physical and chemical inspection field and the like. In these industries, there is a high level of skill in the human tweezers. The probe card industry requires long-term use of tweezers to pick up, replace, and repair probes. The biomedical industry needs to use tweezers for a long time for operation or test, etc., and because of different control degrees of the tweezers for each person, in the actual use process, the threshold is often higher, and accidents are easy to cause. The existing solutions have obvious drawbacks: Mechanical limiting tweezers (taking CN201621382663.5 as an example) are provided, the limiter can only limit on a single tweezers, cannot be matched with tweezers of different types, can only adjust four different gears, and cannot meet the continuous adjustment requirement. Disclosure of utility model In view of the defects of limited adjustment gear, poor suitability, complex operation and the like of the existing tweezers limiting device, the utility model provides the tweezers limiting device capable of being adjusted in an infinitely manner, which can realize rapid and accurate opening limiting and is suitable for tweezers with different specifications. In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme: The tweezers limiting device comprises a U-shaped main body, screws and connecting ropes, wherein the U-shaped main body comprises rope holes, screw holes and contact surfaces, the rope holes are formed in the side faces of the U-shaped main body, the screw holes are formed in the upper side of the U-shaped main body, the contact surfaces are formed in the inner wall of the lower side of the U-shaped main body, the connecting ropes penetrate through the rope holes and are attached to the contact surfaces and the tweezers, and the screws penetrate through the screw holes and are connected with the U-shaped main body, so that the connecting ropes are fixed between the contact surfaces and the screws. According to one aspect of the utility model, the contact surface is provided with an anti-slip structure. According to one aspect of the utility model, the concave-convex texture of the anti-slip structure is a surface convex or concave structure formed by processing. According to one aspect of the utility model, the anti-slip structure is a high friction material layer fixed on the contact surface by coating, bonding or cladding, and the high friction material layer is a rubber layer, a silica gel layer, a polyurethane layer, a thermoplastic elastomer layer or a fluororubber layer. According to one aspect of the utility model, the contact part of the screw bottom and the tweezers is provided with an anti-slip structure, and the anti-slip structure is a concave-convex texture formed by roughening the surface of the screw bottom. According to one aspect of the utility model, the contact part of the screw bottom and the tweezers is provided with an anti-slip structure, and the anti-slip structure is a high friction coefficient material layer coated or adhered on the screw bottom. According to one aspect of the utility model, the screw has a flat head structure, and the periphery of the head of the screw is connected with the inner wall of the screw hole in a tight fit manner. According to one aspect of the utility model, the outer surface of the connecting rope is provided with a friction enhancing structure, which is a roughened area of the outer surface of the connecting rope. According to one aspect of the utility model, the U-shaped body is made of elastic metal or engineering plastic, and is elastically deformed when the screw is pressed. According to one aspect of the utility model, the rope hole is of a through hole structure, the two ends of the connecting rope are respectively and independently adjusted in penetrating length after penetrating out through the through hole, and the screw forms clamping limit for the tweezers through the compression contact surface and the connecting rope. The implementation of the utility model has the advantages that: Through the technical scheme, the following remarkable effects can be realized: The basic structure that U type main part, screw and connecting rope are constituteed easily assembles, need not complicated instrument or professional skill and can accomplish the installation, adapts to multiple common tweezers model. The contact surface anti-skid structure cooperates with the anti-skid design at the bottom of the screw to ensure that tweezers with different materials (metal, plas