CN203853923U

CN203853923U - Clamp wrench

Info

Publication number: CN203853923U
Application number: CN201420186645.4U
Authority: CN
Inventors: 金爱韦; 王润韬
Original assignee: Beijing Automotive Research Institute Co Ltd
Current assignee: Beijing Automotive Research Institute Co Ltd
Priority date: 2014-04-17
Filing date: 2014-04-17
Publication date: 2014-10-01
Anticipated expiration: 2024-04-17

Abstract

The utility model provides a clamp wrench which is used for screwing down or unscrewing an angular screw or nut. The clamp wrench comprises a handle, a fixed wrench mouth, a movable wrench mouth and an adjusting arm, wherein the handle comprises a sliding part and a first locking part; the fixed wrench mouth is fixedly arranged at one end of the handle; the movable wrench mouth is sheathed on the sliding part of the handle and is connected with the sliding part of the handle in a sliding way; the adjusting arm is used for adjusting the distance between the fixed wrench mouth and the movable wrench mouth; the adjusting arm comprises a rotating part and a second locking part, wherein the rotating part is rotatably connected with the movable wrench mouth; the second locking part arranged on the adjusting arm is matched with the first locking part arranged on the handle, so that the movable wrench mouth is prevented from moving on the sliding part of the handle. The clamp wrench is capable of realizing long-distance expansion so as to be applied to nuts with more sizes, the sizes of the wrench mouths can be rapidly adjusted, the wrench mouths are located, and the wrench is rapidly locked.

Description

Gripping spanner

Technical field

The utility model relates to hand-operated tools technical field, relates in particular to a kind of gripping spanner.

Background technology

Shfting wrench is extensive use in daily life, and this shfting wrench is a kind ofly screw or unscrew the instrument that has angle screw or nut.

But, for the nut of different size, need constantly to rotate worm gear, regulate and pull a mouthful size, to adapt to the demand of different nut sizes.Worm gear uses on shfting wrench, pulls a mouthful size although can regulate easily, and this also can cause the time of adjustment long, especially in emergency circumstances may cause unnecessary loss owing to having delayed the time at some.

Utility model content

The utility model, in order to solve the long problem of traditional shfting wrench collating time, provides a kind of gripping spanner.

In order to solve the problems of the technologies described above, embodiment of the present utility model adopts following technical scheme:

According to an aspect of the present utility model, a kind of gripping spanner is provided, this gripping spanner comprises:

Handle, comprises sliding part and the first locking portion;

Surely pull mouth, surely pull a mouthful one end that is fixed on handle;

The moving mouth of pulling, moving pulling on the sliding part that muzzle is located at handle, is slidably connected with the sliding part of handle; And

Be used for regulating and surely pull mouth and the moving regulating arm of pulling distance between mouth, regulating arm comprises: rotation section and the second locking portion, and wherein rotation section is rotationally connected with the moving mouth of pulling, and the other end of rotation section is connected with one end of the second locking portion; The other end of the second locking portion on regulating arm coordinates with the first locking portion on handle, moves on the sliding part of handle in case mouth is pulled in stop.

Alternatively, gripping spanner also comprises the elastomeric element of coupling mechanism force between the other end for the second locking portion on the first locking portion and the regulating arm on handle is provided, one end of elastomeric element is fixed on to move pulls mouth above, and the other end of elastomeric element is fixed on the rotation section of regulating arm.

Alternatively, elastomeric element comprises: the first spring and the second spring, and wherein one end of the first spring and the second spring is separately fixed to move and pulls mouth above, and the other end of the first spring and the second spring is separately fixed on the rotation section of regulating arm.

Alternatively, gripping spanner also comprises the first bolt, the second bolt and the 3rd bolt, wherein first be bolted to moving pulling on mouth, the second bolt and the 3rd is bolted on the rotation section of regulating arm, one end of the first spring and the second spring is separately fixed on the first bolt, and the other end of the first spring and the second spring is separately fixed on the second bolt and the 3rd bolt.

Alternatively, the other end of the first locking portion and the second locking portion are shaped as zigzag, coordinate, in case stop is pulled and mouthful moved on the sliding part of handle by the other end and the moving toe joint of pulling the second locking portion on mouth of the first locking portion on handle.

The beneficial effect of embodiment of the present utility model is:

In embodiment of the present utility model in the time using gripping spanner, because rotation section and the moving mouth of pulling of regulating arm are rotationally connected, regulating arm can rotate around the moving mouth of pulling, in addition moving pulling on the sliding part that muzzle is located at handle, so mentioning regulating arm just can regulate surely pulling mouth and moving mouthful size of pulling of pulling between mouth, and do not need picture shfting wrench of the prior art to need constantly to rotate worm gear, pull a mouthful size to reconcile.When pulling after a mouthful size adjustment completes, can coordinate with the first locking portion on handle by the second locking portion on regulating arm, in case stop is pulled and mouthful is moved on the sliding part of handle, realize and pull a mouthful fixing object, making operative employee can gripping spanner screw or unscrew has angle screw or nut.Regulate and pull mouthful the consumption power of size and time-consuming shortcoming by rotating worm gear with respect to existing shfting wrench, the gripping spanner of the utility model embodiment has advantages of laborsaving and governing speed is fast, can realize fast and pull mouthful location and locking; In addition, the gripping spanner described in embodiment of the present utility model can gripping screw or nut size, be also no longer limited to the maximum number of turns that worm gear rotates, therefore can be applicable to larger sized screw or nut, range of application is wider.

Further, gripping spanner also comprises the elastomeric element for coupling mechanism force between the second locking portion on the first locking portion and the regulating arm on handle is provided, one end of elastomeric element is fixed on moving pulling on mouth, the other end is fixed on the rotation section of regulating arm, so when pull mouthful size adjustment complete after, gripping spanner pulled to muzzle in nut outside, after one side of determining to pull tight-lipped subsides nut of gripping spanner, under the elastic force effect of elastomeric element, the the second locking portion that is positioned at the first locking portion on handle and be positioned on regulating arm is coordinated and is realized mutual interlock by toe joint, last because the elastic force of elastomeric element provides snap-in force, so can clamp well between gripping spanner and nut.When gripping spanner is in while not using state, it is pulled mouthful in automatic closure state, and elastomeric element is lax, but the first locking portion and the second locking portion still toe joint coordinate.

Brief description of the drawings

Fig. 1 represents the structural representation of gripping spanner in embodiment of the present utility model;

Fig. 2 represents regulating arm and the moving double-spring structure schematic diagram of pulling between mouth in the utility model embodiment.

Wherein in figure: 1, handle; 1A, sliding part; 1B, the first locking portion; 2, surely pull mouth; 3, the moving mouth of pulling; 5, regulating arm; 5A, rotation section; 5B, the second locking portion; 4, elastomeric element; 4A, the first spring; 4B, the second spring; 6, the first bolt; 7, the second bolt; 8, the 3rd bolt; 9, pull mouth.

Detailed description of the invention

Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, but should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can be by the those skilled in the art that conveys to complete the scope of the present disclosure.

As shown in Figure 1, the structural representation of gripping spanner in the utility model embodiment, below just by this embodiment and illustrate the basic comprising situation of this gripping spanner in conjunction with these accompanying drawings.

As shown in Figure 1, this gripping spanner comprises: handle 1, and this handle 1 comprises sliding part 1A and the first locking 1B of portion; Surely pull mouthfuls 2, surely pull mouthfuls 2 one end that are fixed on handle 1; Moving pull mouthfuls 3, movingly pull mouthfuls 3 to be set in the sliding part 1A of handle 1 upper, be slidably connected with the sliding part 1A of handle 1; And surely pull mouth 2 and the moving regulating arm 5 of pulling distance between mouth 3 for regulating, regulating arm 5 comprises: rotation section 5A and the second locking 5B of portion, wherein one end of rotation section 5A is rotationally connected with the moving mouth 3 of pulling, the other end of rotation section 5A is connected (as shown in Figure 1, rotation section 5A and second loosen the 5B of portion be vertically connected) with one end of the second locking 5B of portion; On regulating arm, the other end of the 6 second locking 5B of portion coordinates with the first locking 1B of portion on handle 1, moves on the sliding part 1A of handle 1 in case mouth 3 is pulled in stop.In embodiment of the present utility model, gripping spanner moving pulled mouthfuls 3 and is set in the upper and regulating arm 5 of the sliding part 1A of handle 1 and movingly pulls mouthful 3 be rotationally connected, make to regulate and surely pull mouth 2 and the moving size of pulling mouth between mouth 3 of pulling, thereby make spanner pull cause for gossip now large distance open, in order to be suitable for the nut of more sizes, can realize fast the location of pulling mouth simultaneously.And on regulating arm the 6 second locking 5B of portion with the first locking 1B of portion on handle 1 by coordinating, in case pulling mouth 3, stop moves on the sliding part 1A of handle 1, fixing mouth 2 and the moving object of pulling mouth between mouth 3 of pulling of surely pulling of realization, obtains gripping spanner and can more firmly nut be clamped in use.

As shown in Figure 2, in another embodiment of the present utility model, gripping spanner also comprises the elastomeric element 4 of coupling mechanism force between the other end for the second locking 5B of portion on the first locking 1B of portion and the regulating arm 5 on handle 1 is provided.One end of elastomeric element 4 is fixed on moving pulling on mouth 3, and the other end of elastomeric element 4 is fixed on the rotation section 5A of regulating arm 5.Under the elastic force effect of elastomeric element 4, the the second locking 5B of portion that is positioned at the first locking 1B of portion on handle 1 and be positioned on regulating arm 5 can be locked together preferably, to prevent that the rotation section 5A on regulating arm 5 from rotating with respect to the moving mouth 3 of pulling, and makes gripping spanner binding nut effectively.

Alternatively, in another embodiment of the present utility model, this elastomeric element 4 can be double-spring structure, as shown in Figure 2, elastomeric element 4 comprises the first spring 4A and the second spring 4B, wherein one end of the first spring 4A and the second spring 4B is separately fixed at moving pulling on the first bolt 6 of mouthfuls 3, and the other end of the first spring 4A and the second spring 4B is separately fixed on the second bolt 7 and the 3rd bolt 8 on the rotation section 5A of regulating arm 5.The coupling mechanism force that this double-spring structure provides the first locking 1B of portion and the second locking 5B of portion to coordinate, makes the structure of gripping spanner clamping nut more firm.

Certainly can understand, the elastomeric element 4 of gripping spanner can be also single spring structure, and one end of its spring is connected to one end and is fixed on the moving bolt of pulling mouth 3, and the other end is connected on the bolt of regulating arm 5.Can not only save like this material, and still can reach the effect of robust structure.

As shown in Figure 1, in another embodiment of the present utility model, the other end of the first locking 1B of portion and the second locking 5B of portion are shaped as zigzag, coordinate by the first locking 1B of portion on handle 1 and the moving toe joint of pulling the second locking 5B of portion on mouth 3, to prevent that the described moving mouth 3 of pulling from moving on the sliding part 1A of described handle 1, realizes and pull the fixing of mouth.

As shown in Figure 2, the structural entity effect in the utility model embodiment, when this gripping spanner is not in the time using state, it pulls mouth 9 in automatic closure state, and elastomeric element 4 is lax, but still toe joint cooperation of the first locking 1B of portion and the second locking 5B of portion.

Above-described is preferred embodiment of the present utility model; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite described in the utility model, these improvements and modifications are also in protection domain of the present utility model.

Claims

1. a gripping spanner, is characterized in that, described gripping spanner comprises:

Handle (1), comprises sliding part (1A) and the first locking portion (1B);

Surely pull mouthful (2) described one end of surely pulling mouthful (2) and be fixed on described handle (1);

Moving pull mouthful (3), describedly movingly pull mouthful (3) to be set in the sliding part (1A) of described handle (1) upper, are slidably connected with the sliding part (1A) of described handle; And

Be used for regulating described mouthful (2) and the described moving regulating arm (5) of pulling distance between mouthful (3) surely pulled, described regulating arm (5) comprising: rotation section (5A) and the second locking portion (5B), one end of wherein said rotation section (5A) and described moving pull mouthful (3) are rotationally connected, and the other end of described rotation section (5A) is connected with one end of described the second locking portion (5B); On described regulating arm, the other end of second of (6) the locking portion (5B) coordinates with the first locking portion (1B) on described handle (1), to prevent described moving upper movement of mouthful (3) sliding part (1A) in described handle (1) of pulling.

2. gripping spanner as claimed in claim 1, it is characterized in that, described gripping spanner also comprises the elastomeric element (4) of coupling mechanism force between the other end for the second locking portion (5B) on the first locking portion (1B) and the regulating arm (5) on handle (1) is provided, it is upper that one end of described elastomeric element (4) is fixed on described moving pull mouthful (3), and the other end of described elastomeric element (4) is fixed on the rotation section (5A) of described regulating arm (5).

3. gripping spanner as claimed in claim 2, it is characterized in that, described elastomeric element (4) comprising: the first spring (4A) and the second spring (4B), it is upper that one end of wherein said the first spring (4A) and the second spring (4B) is separately fixed at described moving pull mouthful (3), and the other end of described the first spring (4A) and the second spring (4B) is separately fixed on the rotation section (5A) of described regulating arm (5).

4. gripping spanner as claimed in claim 3, it is characterized in that, described gripping spanner also comprises: the first bolt (6), the second bolt (7) and the 3rd bolt (8), wherein the first bolt (6) is fixed on moving pulling on mouthful (3), described the second bolt (7) and the 3rd bolt (8) are fixed on the rotation section (5A) of described regulating arm (5), one end of described the first spring (4A) and the second spring (4B) is separately fixed on the first bolt (6), the other end of described the first spring (4A) and the second spring (4B) is separately fixed on described the second bolt (7) and the 3rd bolt (8).

5. the gripping spanner as described in claim 1～4 any one, it is characterized in that, the other end of described the first locking portion (1B) and the second locking portion (5B) are shaped as zigzag, the other end and the moving toe joint of pulling the second locking portion (5B) on mouth (3) by the first locking portion (1B) on handle (1) coordinate, to prevent described moving upper movement of mouthful (3) sliding part (1A) in described handle (1) of pulling.