CN215394892U

CN215394892U - Spanner

Info

Publication number: CN215394892U
Application number: CN202120015894.7U
Authority: CN
Inventors: 董超; 孙刚; 朱大伟; 宋全知; 李松; 王成波
Original assignee: CRRC Qiqihar Rolling Stock Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2022-01-04
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a wrench. The spanner is used for the setting element and treats the dismouting between the installed part, and the spanner includes: a wrench body; the rotating device is detachably connected with the wrench main body, and one end of the rotating device, which is far away from the wrench main body, is provided with a clamping groove which can be clamped on the positioning piece; the first pot head of position sleeve is established on rotary device, and rotary device can be rotatory relative to the position sleeve, and the second end of position sleeve sets up with the rotary device interval and forms the positioning gap, treats that the installed part stretches into in the positioning gap so that the setting element with treat that the installed part aligns, spanner main part drives rotary device and rotates in the position sleeve, rotary device drives the setting element and rotates in order to accomplish the setting element and treat the installation between the installed part. The utility model solves the problem that the pipe joint and the plug are not easy to align in the installation process in the prior art.

Description

Spanner

Technical Field

The utility model relates to the technical field of dismounting device equipment, in particular to a wrench.

Background

At present, there are two ways for screwing the pipe joint and the plug: one is manual screwing; the other is to use a ratchet wrench for tightening. In order to ensure the sealing performance of the pipe thread, an adhesive tape needs to be wound on the external thread part of the plug in advance, so that the deviation of thread butt joint occurs in the manual screwing process, the gap between the ratchet wrench and a workpiece is large, the positioning effect cannot be realized, the problems of thread deviation, leakage after assembly and the like frequently occur due to limited operation space and inconvenience in alignment and inspection, and the repair cost is high.

That is to say, the pipe joint and the plug in the prior art have the problem of being difficult to align in the installation process.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a wrench to solve the problem that a pipe joint and a plug are not easy to align in the installation process in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a wrench for use in attaching and detaching a positioning member to and from a member to be installed, the wrench comprising: a wrench body; the rotating device is detachably connected with the wrench main body, and one end of the rotating device, which is far away from the wrench main body, is provided with a clamping groove which can be clamped on the positioning piece; the first pot head of position sleeve is established on rotary device, and rotary device can be rotatory relative to the position sleeve, and the second end of position sleeve sets up with the rotary device interval and forms the positioning gap, treats that the installed part stretches into in the positioning gap so that the setting element with treat that the installed part aligns, spanner main part drives rotary device and rotates in the position sleeve, rotary device drives the setting element and rotates in order to accomplish the setting element and treat the installation between the installed part.

Furthermore, the first end of the positioning sleeve is sleeved on the rotating device, and the first end of the positioning sleeve is limited between the rotating device and the wrench main body.

Furthermore, the periphery of the rotating device is provided with a limiting convex edge, and the first end of the positioning sleeve is limited between the limiting convex edge and the wrench main body.

Further, rotary device is including the big footpath section and the path section of connecting in order, and the junction of big footpath section and path section forms spacing step, and the first end of position sleeve is spacing between spacing step and spanner main part.

Furthermore, one end of the rotating device, which is close to the wrench main body, is provided with a mounting groove, and at least one part of the wrench main body extends into the mounting groove and is clamped with the rotating device.

Further, the wrench body includes: the end surface of the first end of the positioning sleeve is abutted with the body part; connecting portion, connecting portion stretch out by this somatic part to in stretching into the mounting groove, the lateral wall of mounting groove has spacing recess, the periphery of connecting portion have with spacing recess complex arch, the arch stretch into in the spacing recess and with spacing cooperation of spacing recess.

Further, the body portion is perpendicular to the connection portion.

Furthermore, the wrench main body is provided with a connecting hole, and at least one part of the rotating device extends out of the first end of the positioning sleeve and extends into the connecting hole to be clamped with the wrench main body.

Furthermore, the inner peripheral surface of the first end of the positioning sleeve is provided with a positioning convex edge extending towards the center of the positioning sleeve, and the positioning convex edge is limited between the rotating device and the wrench main body.

Further, the length of the locating sleeve is larger than that of the rotating device, one end of the rotating device is flush with the end face of the first end of the locating sleeve, and the other end of the rotating device is close to the first end of the locating sleeve relative to the second end of the rotating device.

By applying the technical scheme, the wrench is used for dismounting and mounting the positioning piece and the piece to be mounted, and comprises a wrench main body, a rotating device and a positioning sleeve, wherein the rotating device is detachably connected with the wrench main body; the first pot head of position sleeve is established on rotary device, and rotary device can be rotatory relative to the position sleeve, and the second end of position sleeve sets up with the rotary device interval and forms the positioning gap, treats that the installed part stretches into in the positioning gap so that the setting element with treat that the installed part aligns, and the spanner main part drives rotary device and rotates in the position sleeve, and rotary device drives the setting element and rotates in order to accomplish the setting element and treat the installation between the installed part.

The wrench main body is detachably connected with the rotating device, so that the wrench is convenient to assemble. After the wrench assembly is completed, the wrench body rotates to drive the rotating device to rotate, and then the positioning piece is driven to rotate, so that the positioning piece is screwed into the to-be-installed piece. Form the locating gap between position sleeve and the rotary device, treat that the installed part stretches into the position of locating gap in order to fix the installed part of treating for the setting element with treat that the installed part aligns, drive rotary device and rotate at the rotation wrench main part, in order to treat the installed part with the setting element screw in. The draw-in groove can with the setting element joint to make rotary device can drive the setting element and rotate, rotary device can break away from with the setting element simultaneously after treating the installed part with the setting element screw in. Set up greatly increased the setting element like this and treat the installation effectiveness of installed part, be convenient for simultaneously the setting element with treat to adjust well between the installed part, the rework cost that has significantly reduced has saved manufacturing cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic view of a wrench configuration of an alternative embodiment of the present invention; and

FIG. 2 is a schematic view showing the engagement relationship between the wrench and the positioning member in FIG. 1;

FIG. 3 is a schematic view showing the matching relationship between the wrench, the positioning member and the member to be mounted in FIG. 1;

fig. 4 is a view showing a state where the positioning member of fig. 4 is assembled with the member to be mounted.

Wherein the figures include the following reference numerals:

10. a wrench body; 11. a body portion; 12. a connecting portion; 20. a rotating device; 21. a card slot; 22. a large diameter section; 23. a small diameter section; 24. a limiting step; 25. mounting grooves; 30. a positioning sleeve; 31. positioning the convex edge; 40. positioning the gap; 50. a positioning member; 60. and (5) installing the component.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.

The utility model provides a wrench, aiming at solving the problem that a pipe joint and a plug are not easy to align in the installation process in the prior art.

As shown in fig. 1-4. The wrench is used for dismounting and mounting the positioning piece 50 and the piece 60 to be mounted, the wrench comprises a wrench main body 10, a rotating device 20 and a positioning sleeve 30, the rotating device 20 is detachably connected with the wrench main body 10, one end of the rotating device 20, which is far away from the wrench main body 10, is provided with a clamping groove 21, and the clamping groove 21 can be clamped on the positioning piece 50; the first end cover of locating sleeve 30 is established on rotary device 20, and rotary device 20 can rotate relative to locating sleeve 30, and the second end of locating sleeve 30 sets up with rotary device 20 interval and forms positioning gap 40, treat that installed part 60 stretches into in positioning gap 40 so that setting element 50 aligns with treating installed part 60, wrench body 10 drives rotary device 20 and rotates in locating sleeve 30, and rotary device 20 drives setting element 50 and rotates in order to accomplish the installation between setting element 50 and the installed part 60.

The wrench body 10 is detachably coupled to the rotating means 20 to facilitate the assembly of the wrench. After the wrench is assembled, the rotation of the wrench body 10 drives the rotating device 20 to rotate, and further drives the positioning member 50 to rotate, so as to screw the positioning member 50 into the member to be assembled 60. A positioning gap 40 is formed between the positioning sleeve 30 and the rotating device 20, the to-be-installed member 60 extends into the positioning gap 40 to fix the position of the to-be-installed member 60, so that the positioning member 50 is aligned with the to-be-installed member 60, and the rotating device 20 is rotated by rotating the wrench body 10 to screw the positioning member 50 into the to-be-installed member 60. The engaging groove 21 can engage with the positioning element 50, so that the rotating device 20 can drive the positioning element 50 to rotate, and the rotating device 20 can disengage from the positioning element 50 after the positioning element 50 is screwed into the to-be-installed member 60. The installation efficiency of the positioning piece 50 and the to-be-installed piece 60 is greatly increased, meanwhile, the positioning piece 50 and the to-be-installed piece 60 are aligned conveniently, the repair cost is greatly reduced, and the production cost is saved.

As shown in fig. 1 to 4, the first end of the positioning sleeve 30 is sleeved on the rotating device 20 and the first end of the positioning sleeve 30 is limited between the rotating device 20 and the wrench body 10. The arrangement is such that the position of the positioning sleeve 30 is not easily separated from the rotating device 20, and at the same time, the rotating device 20 can rotate relative to the positioning sleeve 30.

Example one

As shown in fig. 1 to 4, the rotating device 20 includes a large diameter section 22 and a small diameter section 23 connected in sequence, a limit step 24 is formed at the joint of the large diameter section 22 and the small diameter section 23, and the first end of the positioning sleeve 30 is limited between the limit step 24 and the wrench body 10. The both ends of first end respectively with spacing step 24 and spanner main part 10 butt to make the position of position sleeve 30 fixed, avoid position sleeve 30 to rock between spacing step 24 and spanner main part 10, and then avoided position sleeve 30 and treat and break away from between the installed part 60, increased the stability of position sleeve 30 work.

As shown in fig. 1 to 4, the inner peripheral surface of the first end of the positioning sleeve 30 has a positioning flange 31 extending toward the center of the positioning sleeve 30, and the positioning flange 31 is limited between the rotary device 20 and the wrench body 10. The two ends of the positioning flange 31 are respectively abutted against the limit step 24 and the wrench body 10, so that the position of the positioning sleeve 30 is fixed. Meanwhile, the inner diameter of the second end of the positioning sleeve 30 is larger than the inner diameter of the positioning flange 31, so that the second end of the positioning sleeve 30 is spaced apart from the rotating device 20 to form a positioning gap 40.

As shown in fig. 1 to 4, one end of the rotating device 20 near the wrench body 10 has a mounting groove 25, and at least a portion of the wrench body 10 extends into the mounting groove 25 and is engaged with the rotating device 20. The wrench body 10 is engaged with the mounting groove 25, and the rotating unit 20 rotates synchronously with the wrench body 10 when the wrench body 10 is rotated. The mounting groove 25 is formed in the end, close to the wrench body 10, of the rotating device 20, so that a part of the wrench body 10 extends into the mounting groove 25, the wrench is miniaturized, and the production cost is saved. In the present embodiment, the notch area of the card slot 21 is larger than the notch area of the mounting groove 25.

Alternatively, the mounting groove 25 and the card slot 21 may be in communication or not.

As shown in fig. 1 to 4, the wrench body 10 includes a body portion 11 and a connecting portion 12, and an end surface of a first end of the positioning sleeve 30 abuts against the body portion 11; connecting portion 12 is stretched out by this somatic part 11 to in stretching into mounting groove 25, the lateral wall of mounting groove 25 has spacing recess, the periphery of connecting portion 12 have with spacing recess complex arch, the arch stretch into in the spacing recess and with spacing cooperation of spacing recess. Connecting portion 12 stretches into in the mounting groove 25 and with mounting groove 25 joint, the arch can effectively avoid connecting portion 12 relative rotary device 20 to rotate in stretching into spacing recess, has guaranteed that connecting portion 12 can drive rotary device 20 and has rotated, has increased the stability of rotary device 20 work. The connecting portion 12 is connected to the middle of the main body 11, and the positioning sleeve 30 can abut against the main body 11 to complete the position limiting of the positioning sleeve 30. The user rotates the body 11, the connecting portion 12 drives the rotating device 20 to rotate, and the rotating device 20 drives the positioning element 50 to rotate, so as to screw the positioning element 50 into the member to be installed 60.

As shown in fig. 1 to 4, the body portion 11 is perpendicular to the connection portion 12. This arrangement facilitates miniaturization of the wrench and facilitates application of force to the body portion 11.

As shown in fig. 1 to 4, the length of the positioning sleeve 30 is greater than that of the rotating device 20, one end of the rotating device 20 is flush with the end surface of the first end of the positioning sleeve 30, and the other end of the rotating device 20 is close to the first end of the positioning sleeve 30 relative to the second end of the rotating device 20. This arrangement allows the member to be mounted 60 to easily project into the positioning gap 40, facilitating the mounting of the positioning member 50 into the member to be mounted 60.

The larger the contact area of the positioning sleeve 30 and the member to be mounted 60 is, the more accurately the positioning of the positioning member 50 and the member to be mounted 60 is in the process of screwing the positioning member 50 into the member to be mounted 60.

In the embodiment, there are a plurality of positions, the outer circumferential surface of the to-be-mounted member 60 and the inner circumferential surface of the positioning sleeve 30 form a position, the inner circumferential surface of the positioning sleeve 30 and the outer circumferential surface of the rotating device 20 form a position, and the inner circumferential surface of the rotating device 20 and the outer circumferential surface of the positioning member 50 form a position, and the plurality of positions can ensure the accuracy of the assembly between the positioning member 50 and the to-be-mounted member 60.

Alternatively, the positioning member 50 is a threaded plug and the member to be mounted 60 is a pipe fitting.

Example two

The difference from the first embodiment is that the specific structure of the rotating device 20 is different.

In this embodiment, the outer circumference of the rotating device 20 has a limiting convex edge, and the first end of the positioning sleeve 30 is limited between the limiting convex edge and the wrench body 10. The diameter of the periphery of the region except the limiting convex edge on the rotating device 20 is the same, and meanwhile, the positioning sleeve 30 is abutted against the limiting convex edge and the wrench body 10, so that the positioning sleeve 30 is prevented from shaking.

EXAMPLE III

The difference from the first embodiment is that the specific structure of the wrench body 10 is different.

In this embodiment, the wrench body 10 has a connecting hole, and at least a portion of the rotating device 20 extends out of the first end of the positioning sleeve 30 and into the connecting hole to be clamped with the wrench body 10. This arrangement facilitates the installation between the wrench body 10 and the rotating device 20, and at the same time enables the wrench body 10 to rotate the rotating device.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wrench, characterised in that it is used for the disassembly and assembly between a positioning element (50) and a member to be mounted (60), said wrench comprising:

a wrench body (10);

the rotating device (20) is detachably connected with the wrench main body (10), one end, far away from the wrench main body (10), of the rotating device (20) is provided with a clamping groove (21), and the clamping groove (21) can be clamped on the positioning piece (50);

locating sleeve (30), the first pot head of locating sleeve (30) is established on rotary device (20), just rotary device (20) can be relative locating sleeve (30) is rotatory, the second end of locating sleeve (30) with rotary device (20) interval sets up and forms positioning gap (40), treat that installed part (60) stretch into in positioning gap (40) so that setting element (50) with treat that installed part (60) align, wrench body (10) drive rotary device (20) are in the rotating of locating sleeve (30), rotary device (20) drive setting element (50) rotate in order to accomplish setting element (50) with treat the installation between installed part (60).

2. The wrench as claimed in claim 1, wherein the first end of the positioning sleeve (30) is fitted over the rotating means (20) and the first end of the positioning sleeve (30) is trapped between the rotating means (20) and the wrench body (10).

3. A wrench as claimed in claim 2, wherein the periphery of the rotary means (20) has a retaining ledge, the first end of the locating sleeve (30) being retained between the retaining ledge and the wrench body (10).

4. The wrench according to claim 2, wherein the rotating device (20) comprises a large-diameter section (22) and a small-diameter section (23) which are connected in sequence, the joint of the large-diameter section (22) and the small-diameter section (23) forms a limit step (24), and the first end of the positioning sleeve (30) is limited between the limit step (24) and the wrench main body (10).

5. A wrench as claimed in any one of claims 1 to 4, wherein said rotation means (20) has a mounting slot (25) at an end thereof adjacent said wrench body (10), at least a portion of said wrench body (10) extending into said mounting slot (25) and engaging said rotation means (20).

6. A wrench as claimed in claim 5, wherein said wrench body (10) comprises:

a body part (11), wherein the end surface of the first end of the positioning sleeve (30) is abutted against the body part (11);

the connecting portion (12), connecting portion (12) by this somatic part (11) stretches out to stretch into in mounting groove (25), the lateral wall of mounting groove (25) has spacing recess, the periphery of connecting portion (12) have with spacing recess complex arch, the arch stretch into in the spacing recess and with spacing cooperation of spacing recess.

7. A wrench as claimed in claim 6, wherein said body portion (11) is perpendicular to said connecting portion (12).

8. A wrench as claimed in any one of claims 1 to 4, wherein said wrench body (10) has a coupling aperture, and at least a portion of said rotatable means (20) extends beyond said first end of said retaining sleeve (30) and into said coupling aperture to engage with said wrench body (10).

9. A wrench as claimed in any one of claims 1 to 4, wherein the inner peripheral surface of the first end of the locating sleeve (30) has a locating ledge (31) projecting towards the centre of the locating sleeve (30), the locating ledge (31) being trapped between the rotary device (20) and the wrench body (10).

10. A wrench as claimed in any one of claims 1 to 4, wherein the length of the retaining sleeve (30) is greater than the length of the rotary device (20), and one end of the rotary device (20) is flush with the end face of the first end of the retaining sleeve (30), and the other end of the rotary device (20) is adjacent the first end of the retaining sleeve (30) relative to the second end of the rotary device (20).