CN210046543U

CN210046543U - Pneumatic pliers for clamping fixture

Info

Publication number: CN210046543U
Application number: CN201920341820.5U
Authority: CN
Inventors: 璧垫椽; 赵洪
Original assignee: Dalian Zhengshen Stainless Steel Precision Parts Co Ltd
Current assignee: Dalian Zhengshen Stainless Steel Precision Parts Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-02-11
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a pneumatic pliers for mould relates to mould accessory technical field. The utility model discloses a handle, a handle side fixedly connected with air spring, air spring one end is rotated and is connected with the transfer line, and transfer line one end is rotated and is connected with the lower pincers mouth, handle one end fixedly connected with linking bridge, a linking bridge surface rotates with the lower pincers mouth to be connected, and linking bridge one end is hollow structure and is located the terminal fixedly connected with pivot of cavity, and pivot week side is rotated respectively and is connected with flat pincers mouth and sharp pincers mouth, the utility model discloses a bearing structure of air spring can continue to keep the state of compressing tightly after closing the pincers mouth on the one hand, does not need manual support, can provide partial helping hand, has saved the strength when the repairment takes off the child, and on the other hand avoids the repairment hand to contact with the actuating lever for a long time, can effectual protection repairment's hand not worn, has laborsaving and.

Description

Pneumatic pliers for clamping fixture

Technical Field

The utility model relates to a mould accessory technical field specifically is a pneumatic pliers for mould.

Background

Pliers are hand tools used for clamping and fixing a processing workpiece or twisting, bending and shearing a metal wire. The pliers are different in shape and wide in application range, and a repairer uses the pliers to remove the tire and inserts the pliers mouth into the gap between the tire and the hub, so that the tire can be quickly disassembled and assembled.

The tool pliers at the present stage are mainly used for manually removing the tire by a repairer, the repairer is required to continuously open and close the plier mouth in the tire removing process, and the hand is required to continuously apply force when the plier mouth is closed, so that the tire removing mode can accelerate physical consumption, and the repairer is easy to fatigue; on the other hand, the counterforce applied to the clamp mouth in the tire pulling process is applied to the hand through the handle, the repeated opening and closing can aggravate the friction between the tiger mouth and the handle, the hand is easily abraded, so that a repairman cannot repair the hand, and the technical problems that the manual tiger mouth is wasted by the existing tool clamp and the hand tiger mouth is easily abraded by technical personnel in the field are solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pneumatic pliers for mould through the drive structure who adds the air spring, can remain stable when closing the pincers mouth, has solved the extravagant physical power of current instrument pincers and the problem of the hand that wears and teares easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: pneumatic pliers for a clamping fixture, comprising a handle;

one side surface of the handle is fixedly connected with an air spring which is a free air spring and only has the shortest position and the longest position, and the air spring cannot automatically stop in the process of travel; one end of the gas spring is rotatably connected with a transmission rod, and one end of the transmission rod is rotatably connected with a lower plier nozzle;

one end of the handle is fixedly connected with a connecting support, one surface of the connecting support is rotationally connected with the lower plier mouth, one end of the connecting support is of a hollow structure and is fixedly connected with a rotating shaft at the hollow tail end, the peripheral side surface of the rotating shaft is rotationally connected with a flat plier mouth and a sharp plier mouth respectively, the directions of the ends of the flat plier mouth and the sharp plier mouth far away from the rotating shaft are opposite, and threaded holes are formed in the surfaces of the rotating shaft and the flat plier mouth;

a fixing pin penetrates through one surface of the connecting support, a knob capable of being rotated manually is fixed to the top of the fixing pin, and the fixing pin is located at one end inside the connecting support and is in threaded connection with the threaded holes respectively.

Furthermore, fixed rings are sleeved on the side faces of the air spring, a connecting pipe is connected to one surface of the handle in a rotating mode, a telescopic rod is connected to the inner surface of one end of the connecting pipe in a sliding mode, and one end of the telescopic rod is connected with the fixed rings in a rotating mode.

Furthermore, a hammer is fixedly connected to one side face of the connecting support and used for knocking a tire to detect the quality of the tire.

Further, the inner surface of the other end of the connecting pipe is connected with a driving rod in a sliding mode.

Furthermore, one side surface of the connecting support is fixedly connected with a return spring, and one end of the return spring is fixedly connected with the lower plier mouth.

The utility model discloses following beneficial effect has:

1. this a pneumatic pliers for mould, through the bearing structure of air spring, on the one hand can continue to keep the state of compressing tightly after closing the pincers mouth, does not need manual support, can provide partial helping hand, has saved the strength when the repairmen takes off the child, has avoided on the other hand repairmen hand to contact with the actuating lever for a long time, and the hand that can effectual protection repairmen is not worn by the wound, has laborsaving and high advantage of security.

2. This a pneumatic pliers for mould through set up revolution mechanic at the linking bridge end, can realize quick switching between flat pincers mouth and the sharp pincers mouth, has widened pneumatic pliers's application scope.

3. This a pneumatic pliers for mould, through the extending structure of actuating lever, realize lever principle with the telescopic link, can be effectual laborsaving when pulling the pincers mouth, can further save strength.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a pneumatic pliers for a clamping fixture according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

in the figure: 1-handle, 2-gas spring, 3-transmission rod, 4-lower plier mouth, 5-connecting support, 6-hammer, 7-rotating shaft, 8-flat plier mouth, 9-sharp plier mouth, 10-fixed pin, 11-threaded hole, 12-fixed ring, 13-telescopic rod, 14-connecting pipe, 15-driving rod and 16-reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: pneumatic pliers for a clamping fixture, comprising a handle 1;

one side surface of the handle 1 is fixedly connected with an air spring 2, one end of the air spring 2 is rotatably connected with a transmission rod 3, and one end of the transmission rod 3 is rotatably connected with a lower plier mouth 4;

one end of the handle 1 is fixedly connected with a connecting support 5, one surface of the connecting support 5 is rotationally connected with the lower plier mouth 4, one end of the connecting support 5 is of a hollow structure and is fixedly connected with a rotating shaft 7 at the hollow tail end, the peripheral side surface of the rotating shaft 7 is respectively rotationally connected with a flat plier mouth 8 and a sharp plier mouth 9, the directions of the ends, away from the rotating shaft 7, of the flat plier mouth 8 and the sharp plier mouth 9 are opposite, and threaded holes 11 are formed in one surfaces of the rotating shaft 7 and the flat plie;

a fixing pin 10 penetrates through one surface of the connecting support 5, and one end of the fixing pin 10, which is located inside the connecting support 5, is in threaded connection with the two threaded holes 11 respectively.

Wherein, 2 week side covers of air spring are equipped with solid fixed

ring

12, and 1 surface of handle rotates and is connected with connecting pipe 14, and connecting pipe 14 one end internal surface sliding connection has telescopic link 13, and telescopic link 13 one end rotates with solid fixed ring 12 to be connected.

Wherein, a hammer 6 is fixedly connected with one side surface of the connecting bracket 5.

Wherein, the inner surface of the other end of the connecting pipe 14 is slidably connected with a driving rod 15.

Wherein, a side of the connecting bracket 5 is fixedly connected with a return spring 16, and one end of the return spring 16 is fixedly connected with the lower plier mouth 4.

The specific application of this embodiment is: the handle 1 is held by the left hand, the lower plier mouth 4 is inserted into a gap between a tire and a hub, the driving rod 15 is extruded by the right hand, the driving rod 15 drives the connecting pipe 14 to rotate, the connecting pipe 14 drives the telescopic rod 13 to rotate, the telescopic rod 13 drives one end of the air spring 2 to extend through the fixing ring 12, one end of the air spring 2 extends out to push the transmission rod 3 to rotate, the transmission rod 3 pushes the lower plier mouth 4 to rotate to clamp the tire, the reset spring 16 extends, at the moment, the right hand is released, the lower plier mouth 4 still keeps a clamping state under the support of the air spring 2, long-time manual extrusion of a repairman is avoided, physical strength can be effectively saved, the hands can be prevented from; and when the driving rod 15 is pulled reversely, the driving rod 15 drives the fixing ring 12 to move reversely through the connecting pipe 14 and the telescopic rod 13 in sequence, one end of the gas spring 2 contracts under the dual actions of moving the fixing ring 12 and contracting the return spring 16, the driving rod 3 is driven to rotate reversely, and the lower clamp mouth 4 is opened. When the slit of tire need use sharp pincers mouth 9, the knob at manual rotation fixed pin 10 top for the screw hole 11 separation of fixed pin 10 and sharp pincers mouth 9 top rotates flat pincers mouth 8 half circles, makes sharp pincers mouth 9 roll over out linking bridge 5, and flat pincers mouth 8 changes over to linking bridge 5 inside, inserts fixed pin 10 once more, makes fixed pin 10 and the screw hole 1 of flat pincers 8 top screw up fixedly, accomplishes the quick replacement of flat pincers mouth 8 and sharp pincers mouth 9.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Pneumatic pliers for clamping tools, comprising a handle (1), characterized in that:

one side surface of the handle (1) is fixedly connected with an air spring (2), one end of the air spring (2) is rotatably connected with a transmission rod (3), and one end of the transmission rod (3) is rotatably connected with a lower plier nozzle (4);

one end of the handle (1) is fixedly connected with a connecting support (5), one surface of the connecting support (5) is rotatably connected with the lower plier mouth (4), one end of the connecting support (5) is of a hollow structure and is positioned at the tail end of the hollow structure, a rotating shaft (7) is fixedly connected with the tail end of the hollow structure, the peripheral side surface of the rotating shaft (7) is respectively rotatably connected with a flat plier mouth (8) and a sharp plier mouth (9), the directions of the ends, far away from the rotating shaft (7), of the flat plier mouth (8) and the sharp plier mouth (9) are opposite, and threaded holes (11) are formed in the surfaces of the rotating shaft (7;

a fixing pin (10) penetrates through one surface of the connecting support (5), and the fixing pin (10) is located at one end inside the connecting support (5) and is in threaded connection with the threaded holes (11) respectively.

2. The pneumatic pliers for clamping fixture according to claim 1, wherein said gas spring (2) is sleeved with a fixed ring (12), said handle (1) is rotatably connected with a connecting tube (14) on one surface, a telescopic rod (13) is slidably connected with the inner surface of one end of said connecting tube (14), and one end of said telescopic rod (13) is rotatably connected with said fixed ring (12).

3. The pneumatic pliers for the clamping fixture according to claim 1, wherein a hammer (6) is fixedly connected to one side of the connecting support (5).

4. Pneumatic pliers for clamping tools, according to claim 2, characterised in that the inner surface of the other end of said connecting tube (14) is slidingly associated with a driving rod (15).

5. The pneumatic pliers for clamping fixture according to claim 1, wherein a return spring (16) is fixedly connected to one side of the connecting support (5), and one end of the return spring (16) is fixedly connected with the lower pliers mouth (4).