CN215789239U

CN215789239U - Hand-operated pliers with adjustable moment

Info

Publication number: CN215789239U
Application number: CN202122299836.4U
Authority: CN
Inventors: 何瑜华; 姜水波
Original assignee: Zhejiang Weipai Packaging Equipment Co ltd
Current assignee: Zhejiang Weipai Packaging Equipment Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-11
Anticipated expiration: 2031-09-22

Abstract

The utility model provides a torque-adjustable manual jaw vice, and belongs to the technical field of jaw vices. It has solved the poor problem of current tong adjustability. The torque-adjustable manual jaw vice comprises a vice body, wherein two vice plates are arranged on the vice body, the two vice plates are hinged to clamp arms, the two vice arms are hinged to the vice body and can rotate relative to the vice body, the two vice arms rotate relative to the vice body to drive the two vice arms to be close to or away from each other, and each vice arm is provided with an adjusting force arm capable of moving and adjusting along the length direction of the vice arm. The utility model has the advantage of good adjustability.

Description

Hand-operated pliers with adjustable moment

Technical Field

The utility model belongs to the technical field of jaw pliers, and relates to a manual jaw pliers with adjustable torque.

Background

Pliers are hand tools used for clamping and fixing a processing workpiece or twisting, bending and shearing a metal wire. The pliers are made of carbon structural steel, and are first forged, rolled into the shape of pliers blank, then machined by metal cutting such as grinding, polishing and the like, and finally heat treated.

The clamp is one kind of pliers, and it is mainly used for the column material such as steel wire to press from both sides disconnected, because the hardness and the size of diameter of various materials are different, and the power of using the clamp is also different, and the handle of current clamp all is integrated into one piece and can not adjust arm of force length usually, to different use cases, has the poor problem of adjustability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a torque-adjustable manual jaw vice.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a manual tong of clamp with adjustable moment, includes the pincers body, the pincers body on be provided with two nippers, two the nipper on all articulated have a tong arm, two the tong arm all articulate and to rotate relatively the pincers body on the pincers body, two relative pincers bodies of tong arm rotate and drive two tong arms and be close to each other or keep away from, every the tong arm on be provided with the adjustment arm of force that can follow tong arm length direction and remove the adjustment.

In the torque-adjustable manual jaw clamp, the adjusting force arm is sleeved on the clamp arm and can slide relative to the length direction of the clamp arm, and a fixing component for fixing the adjusting force arm after moving is arranged on the adjusting force arm.

In the torque-adjustable manual jaw vice, the fixing assembly comprises a fixing sleeve connected to the bottom end of the adjusting force arm, a locking piece capable of rotating relative to the fixing sleeve is arranged on the fixing sleeve, and a fixing pin capable of being inserted into the jaw arm is arranged on the locking piece.

In the torque-adjustable manual jaw vice, the forceps arms are provided with a plurality of insertion holes matched with the fixing pins, and the insertion holes are uniformly distributed on the forceps arms along the length direction of the forceps arms.

In the torque-adjustable manual vice for jaws, the two lateral surfaces of the locking piece are provided with radially protruding connecting pins for inserting into the lateral walls of the fixing sleeve, an elastic piece is arranged between the bottom end of the locking piece and the fixing sleeve, and the elastic piece is arranged at the end part of the locking piece far away from one side of the fixing pin.

In the torque-adjustable manual jaw vice, a guide structure is arranged between the fixed sleeve and the forceps arms.

In the torque-adjustable manual pliers, the guide structure comprises a guide groove arranged on the pliers arm and a guide post arranged on the fixed sleeve, and the fixed sleeve is clamped into the corresponding guide groove through the guide post and slides along the direction of the guide groove.

In the torque-adjustable manual pliers, the number of the guide grooves is two, and the two guide grooves are symmetrically arranged on the upper side surface and the lower side surface of the pliers arm.

In the torque-adjustable manual pliers, the fixing pin comprises an insertion part and a connecting part, and the fixing pin is rotatably connected to the locking piece through the connecting part.

In the torque-adjustable manual pliers, the insertion part is cylindrical and is in clearance fit with the insertion hole.

Compared with the prior art, the utility model has the advantages that:

1. the adjusting force arm capable of moving and adjusting along the length direction of the clamp arm is arranged on each clamp arm, and the length of the clamp arm is increased or shortened by adjusting the force arm, so that the performance of the clamp arm on different use occasions is met.

2. According to the utility model, the guide structure is arranged between the fixing sleeve and the clamp arm, and the adjusting force arm is more stable when moving relative to the clamp arm through the guide structure.

3. The fixing pin is rotatably connected to the locking piece through the connecting part, so that the fixing piece rotates to perform adaptive adjustment when the locking piece deflects.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is a cross-sectional view of the adjustment arm of the present invention.

Fig. 4 is a view showing a coupling structure of the locking member in the present invention.

In the figure, 1, a clamp body; 2. a nipper plate; 3. a clamp arm; 4. adjusting the force arm; 5. a fixing assembly; 6. fixing a sleeve; 7. a locking member; 8. a fixing pin; 9. a jack; 10. a connecting pin; 11. an elastic member; 12. a guide structure; 13. a guide groove; 14. a guide post; 15. a plug-in part; 16. a connecting portion.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a manual pliers with adjustable moment comprises a pliers body 1, wherein two pliers plates 2 are arranged on the pliers body 1, two pliers arms 3 are hinged to the two pliers plates 2, the two pliers arms 3 are hinged to the pliers body 1 and can rotate relative to the pliers body 1, the two pliers arms 3 rotate relative to the pliers body 1 to drive the two pliers arms 3 to approach or keep away from each other, and an adjusting force arm 4 capable of moving and adjusting along the length direction of each pliers arm 3 is arranged on each pliers arm 3.

In this embodiment, be provided with the adjustment arm of force 4 that can follow 3 length direction of tong arm and remove the adjustment on every tong arm 3, increase or shorten the length of tong arm 3 through adjustment arm of force 4 to this satisfies the performance of its different use occasions, and the jaw pliers is when specifically using, is formed with the jaw between two nipper 2 and the pincers body 1, places the back of going up the material in the jaw, removes two tong arms 3 in opposite directions, makes two nipper 2 be close to each other.

In this embodiment, the adjusting force arm 4 is sleeved on the jawarms 3 and can slide relative to the length direction of the jawarms 3, the adjusting force arm 4 is provided with a fixing component 5 for fixing after the adjusting force arm 4 moves, concretely, the fixing component 5 comprises a fixing sleeve 6 connected to the bottom end of the adjusting force arm 4, the fixing sleeve 6 is provided with a locking component 7 which can rotate relative to the fixing sleeve 6, and the locking component 7 is provided with a fixing pin 8 which can be inserted into the jawarms 3.

The adjusting force arm 4 is integrally sleeved on the clamp arm 3, after the adjusting force arm 4 is adjusted, the locking piece 7 on the fixing sleeve 6 is used for locking the clamp arm 3, and particularly, the fixing pin 8 on the locking piece 7 is inserted into the clamp arm 3 to realize fixing.

In this embodiment, in order to increase the adjustment range of the adjustment arm of force 4, a plurality of insertion holes 9 matched with the fixing pin 8 are provided on the clamp arm 3, and the insertion holes 9 are uniformly distributed on the clamp arm 3 along the length direction of the clamp arm 3.

In the present embodiment, the locking member 7 is provided with a radially protruding connecting pin 10 on both side surfaces thereof for insertion into the side wall of the fixing sleeve 6, and an elastic member 11 is provided between the bottom end of the locking member 7 and the fixing sleeve 6, the elastic member 11 being provided on the end portion of the locking member 7 on the side away from the fixing pin 8.

The locking piece 7 is divided into a left part and a right part by a connecting pin 10, an elastic piece 11 is arranged in one part of the locking piece 7, a fixing pin 8 is arranged in the other part of the locking piece 7, when the locking piece 7 is in an original state, the elastic piece 11 applies elastic force to the locking piece 7, so that the end part of the locking piece 7 tilts towards one side far away from the jawarms 3, one side of the fixing pin 8 moves towards one side of the jawarms 3 and is inserted into the insertion hole 9 to fix the jawarms 3 and the adjusting force arm 4, when one side of the locking piece 7 with the elastic piece 11 is extruded, the end part of the locking piece 7 is sunken towards one side close to the jawarms 3, the fixing pin 8 moves towards one side of the jawarms 3 and is separated from the insertion hole 9, and the separation of the jawarms 3 and the adjusting force arm 4 is realized.

In this embodiment, a guiding structure 12 is disposed between the fixing sleeve 6 and the forceps arm 3, and the adjusting force arm 4 is more stable when moving relative to the forceps arm 3 through the guiding structure 12.

Specifically, the guide structure 12 includes a guide groove 13 disposed on the jawarm 3 and a guide post 14 disposed on the fixing sleeve 6, and the fixing sleeve 6 is snapped into the corresponding guide groove 13 through the guide post 14 and slides along the direction of the guide groove 13. Preferably, the number of the guide grooves 13 is two, and the two guide grooves 13 are symmetrically disposed on both upper and lower side surfaces of the caliper arm 3, so that the movement of the fixing sleeve 6 is more stable.

In this embodiment, the fixing pin 8 includes the insertion portion 15 and the connection portion 16, and the fixing pin 8 is connected to the locking member 7 through the connection portion 16 rotation, so that when the locking member 7 deflects, the fixing member rotates to perform the adaptive adjustment, the insertion portion 15 is cylindrical, and the insertion portion 15 is in clearance fit with the insertion hole 9, so that the fixing pin 8 can be inserted into the insertion hole 9 more accurately.

The working principle of the utility model is as follows: be provided with the adjustment arm of force 4 that can follow 3 length direction removal adjustments of tong arm on every tong arm 3, increase or shorten the length of tong arm 3 through adjustment arm of force 4 to this satisfies the performance of its different use occasions, the jaw clamp is when specifically using, is formed with the jaw between two nipper 2 and the pincers body 1, places the material back in the jaw, moves two tong arms 3 in opposite directions, makes two nipper 2 be close to each other.

Specifically, the locking member 7 is divided into a left part and a right part by a connecting pin 10, the elastic member 11 is arranged in one part of the locking member 7, the fixing pin 8 is arranged in the other part of the locking member 7, when the locking member 7 is in an original state, the elastic member 11 applies elastic force to the locking member 7, so that the end part of the locking member 7 tilts towards the side far away from the jawarms 3, one side of the fixing pin 8 moves towards one side of the jawarms 3 and is inserted into the insertion hole 9 to fix the jawarms 3 and the adjustment arm of force 4, when one side of the locking member 7 with the elastic member 11 is extruded, the end part of the locking member 7 is sunken towards one side close to the jawarms 3, and the fixing pin 8 moves away from one side of the jawarms 3 and is separated from the insertion hole 9, so that the jawarms 3 and the adjustment arm of force 4 are separated.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the caliper body 1, the caliper plate 2, the caliper arm 3, the adjusting arm 4, the fixing assembly 5, the fixing sleeve 6, the locking member 7, the fixing pin 8, the insertion hole 9, the connecting pin 10, the elastic member 11, the guide structure 12, the guide groove 13, the guide post 14, the insertion portion 15, the connecting portion 16, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a manual tong of clamp with adjustable moment, includes the pincers body (1), pincers body (1) on be provided with two nipper (2), two nipper (2) on all articulated have tong arm (3), two tong arm (3) all articulate and to rotate relatively pincers body (1) on pincers body (1), two tong arm (3) rotate relatively pincers body (1) and drive two tong arm (3) and be close to each other or keep away from, every tong arm (3) on be provided with the adjustment arm of force (4) that can follow tong arm (3) length direction and remove the adjustment.

2. The torque-adjustable manual pliers according to claim 1, wherein the adjusting force arm (4) is sleeved on the pliers arm (3) and can slide relative to the pliers arm (3) in the length direction, and a fixing component (5) for fixing the adjusting force arm (4) after moving is arranged on the adjusting force arm (4).

3. Hand vice with adjustable moment according to claim 2, characterized in that the fixing assembly (5) comprises a fixing sleeve (6) connected to the bottom of the adjusting arm of force (4), the fixing sleeve (6) is provided with a locking member (7) that can rotate relative to the fixing sleeve (6), the locking member (7) is provided with a fixing pin (8) that can be inserted into the interior of the jawarms (3).

4. The torque-adjustable manual pliers according to claim 3, wherein the pliers arm (3) is provided with a plurality of insertion holes (9) matched with the fixing pin (8), and the insertion holes (9) are uniformly distributed on the pliers arm (3) along the length direction of the pliers arm (3).

5. Manual torque-adjustable pliers according to claim 3, characterized in that said locking element (7) is provided on its two lateral surfaces with radially protruding connecting pins (10) for insertion onto the lateral walls of the fixed sleeve (6), and between the bottom end of said locking element (7) and the fixed sleeve (6) there is provided an elastic element (11), said elastic element (11) being provided on the end of the locking element (7) on the side remote from the fixed pin (8).

6. Manual torque-adjustable pliers according to claim 3, characterized in that a guide (12) is provided between the fixing sleeve (6) and the pliers arm (3).

7. Manual torque-adjustable pliers according to claim 6, wherein said guide structure (12) comprises guide slots (13) provided on the pliers legs (3) and guide posts (14) provided on the securing sleeve (6), said securing sleeve (6) being snapped into the corresponding guide slots (13) by means of the guide posts (14) and sliding in the direction of the guide slots (13).

8. The torque-adjustable manual pliers according to claim 7, wherein the number of the guide grooves (13) is two, and the two guide grooves (13) are symmetrically arranged on the upper side surface and the lower side surface of the pliers arm (3).

9. Manual torque adjustable pliers according to claim 3, wherein said fixing pin (8) comprises a plug portion (15) and a connecting portion (16), said fixing pin (8) being rotatably connected to said locking member (7) by said connecting portion (16).

10. Hand vice for clamping jaws with adjustable moment according to claim 9, characterised in that the plug-in part (15) is cylindrical and that the plug-in part (15) is in clearance fit with the plug hole (9).