CN211439803U

CN211439803U - Disassembling tool

Info

Publication number: CN211439803U
Application number: CN201921681394.6U
Authority: CN
Inventors: 楼峰; 高晚生; 冯雄雄; 周峰
Original assignee: Zhejiang DunAn Hetian Metal Co Ltd
Current assignee: Zhejiang DunAn Hetian Metal Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-09-08
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a tooling equipment field especially relates to assembly and disassembly tools. The utility model provides an assembly and disassembly tools for dismantle or install anti-disassembly nut, anti-disassembly nut includes the nut body and sets up the bellying on nut body terminal surface, be equipped with first atress face and second atress face on the bellying, assembly and disassembly tools includes first cutting ferrule and second cutting ferrule, the one end of first cutting ferrule and/or second cutting ferrule is equipped with first face, second face and first backstop platform, first face can with first atress face butt, the second face can with second atress face butt, first backstop platform with the nut body is kept away from the terminal surface butt of bellying to when external force makes first cutting ferrule, second cutting ferrule rotate, the nut body can rotate in step. The utility model has the advantages that: the assembly and disassembly tools can assemble or disassemble the anti-disassembly nut, so that the anti-disassembly nut is prevented from being replaced during maintenance, and the maintenance cost is reduced.

Description

Disassembling tool

Technical Field

The utility model relates to a tooling equipment field especially relates to assembly and disassembly tools.

Background

In a split type air conditioner, indoor and outdoor units need to be connected, and particularly, an air conditioner using combustible media is usually connected by adopting an anti-disassembly nut so as to prevent a non-professional person from disassembling a connection part of the indoor and outdoor units to cause medium leakage and further cause safety accidents.

In the prior art, the common tool can not finish the installation and the disassembly of the anti-disassembly nut, the anti-disassembly nut can be damaged once the disassembly is carried out, the anti-disassembly nut needs to be replaced, the maintenance is inconvenient, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides an assembly and disassembly tools of anti-disassembly nut to above-mentioned technical problem, technical scheme as follows:

a disassembling tool is used for disassembling or assembling an anti-disassembling nut, the anti-disassembling nut is used for connecting a pipeline, the anti-disassembling nut comprises a nut body and a boss arranged on the end face of the nut body, a first stress surface and a second stress surface are arranged on the boss, the disassembling tool comprises a first clamping sleeve and a second clamping sleeve, one end of the first clamping sleeve and/or one end of the second clamping sleeve are/is provided with a first surface matched with the first stress surface, a second surface matched with the second stress surface and a first stop table matched with the end face, far away from the boss, of the nut body, when the anti-disassembling nut is assembled, the first surface is abutted to the first stress surface, so that when the first clamping sleeve and the second clamping sleeve are rotated by external force, the nut body can synchronously rotate; when dismantling the anti-disassembly nut, the second face with second stress surface butt, first backstop platform with the nut body is kept away from the terminal surface butt of bellying to when external force makes first cutting ferrule, second cutting ferrule rotate, the nut body can synchronous revolution.

It can be understood that, because the particularity of the structure of the anti-disassembly nut, a non-professional tool can not be installed or disassembled, the disassembling tool is used for disassembling or assembling the anti-disassembly nut is convenient to assemble the anti-disassembly nut, and when maintenance is needed, the disassembling tool is utilized to disassemble the anti-disassembly nut, so that the anti-disassembly nut is prevented from being replaced, and resource waste is caused.

In one embodiment, in the assembled state, the second face at least partially conforms to the second force-bearing surface, and/or the first face at least partially conforms to the first force-bearing surface.

It can be understood that, when the anti-disassembly nut is assembled or disassembled, the first surface is at least partially attached to the first stress surface, and the first surface is at least partially attached to the first stress surface, so that the stress surface during disassembly and assembly is increased, and the anti-disassembly nut can be disassembled and assembled by the disassembling tool.

In one embodiment, an included angle between the first surface and the dismounting direction of the dismounting-prevention nut is smaller than or equal to 90 °, and an included angle between the second surface and the dismounting direction of the dismounting-prevention nut is smaller than 90 °.

It can be understood that the first face with the contained angle less than or equal to 90 of the dismouting direction of anti-disassembly nut, the second face with the contained angle of the dismouting direction of anti-disassembly nut is less than 90, just enables first face can block first stress surface, the second face can block second stress surface.

In one embodiment, the first surface is configured as a plane and the second surface is configured as a curved surface.

It is understood that the first surface is a plane, and the second surface is configured as a curved surface to fit the first force-bearing surface and the second force-bearing surface of one embodiment.

In one embodiment, the first surface and the second surface are both provided as curved surfaces, the first surface is convex toward the mounting direction of the anti-disassembly nut, and the second surface is concave toward the disassembly direction of the anti-disassembly nut.

It is understood that the first surface and the second surface are curved surfaces to fit the first force-bearing surface and the second force-bearing surface of another embodiment.

In one embodiment, the first cutting sleeve and the second cutting sleeve are respectively provided with a first arc-shaped groove and a second arc-shaped groove which are concave inwards, and a right angle is formed between the first stop table and the inner walls of the first arc-shaped groove and the second arc-shaped groove.

In one embodiment, the disassembling tool is further provided with a second stop table matched with the end face, close to the boss, of the nut body, and a right angle is formed between the second stop table and the inner wall of the first arc-shaped groove and/or the inner wall of the second arc-shaped groove.

It can be understood that a right angle is formed between the first stopping table and the second stopping table and the inner wall of the first or second clamping sleeve, and the first stopping table and the second stopping table are attached to two ends of the nut body, so that the disassembling tool can be more firmly sleeved on the outer wall of the nut disassembling body.

In one embodiment, the first and second ferrules are semi-cylindrical, and the first and second ferrules have the same structure and size.

It can be understood that the first cutting ferrule and the second cutting ferrule have the same structure and size, and the machining process is saved.

In one embodiment, the first cutting sleeve and the second cutting sleeve are provided with external tools for disassembling and assembling the anti-disassembling nut, and the outer walls of the first cutting sleeve and the second cutting sleeve are provided with matching surfaces matched with the external tools.

It will be appreciated that the external tool acts on the mating surface to rotate the disassembly tool.

In one embodiment, the mating surface is planar.

It will be appreciated that the mating surface is planar to allow an external tool to better apply force to the assembly and disassembly tool.

Compared with the prior art, the dismounting tool is provided with a first stop table which can be matched with the dismounting nut body, a first surface which is matched with a first stress surface of a bulge part on the end surface of the dismounting nut body and a second surface which is matched with a second stress surface through arranging the first cutting sleeve and the second cutting sleeve, and when the dismounting-proof nut is mounted, the first surface is abutted against the first stress surface, so that the nut body can synchronously rotate along with the dismounting tool; when dismantling during the anti-disassembly nut, first backstop platform prevents the nut body breaks away from, the second face with second stress surface butt, so that the nut body can follow the assembly and disassembly tools rotates in step, avoids when maintaining, changes the anti-disassembly nut reduces cost of maintenance.

Drawings

Fig. 1 is a schematic structural view of an anti-disassembly nut according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a first cutting ferrule and/or a second cutting ferrule of the disassembly and assembly tool according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of an anti-detachment nut according to a second embodiment of the present invention;

fig. 4 is a schematic structural view of a first cutting ferrule and/or a second cutting ferrule of a disassembly and assembly tool according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of the first embodiment of the present invention when the dismounting tool is engaged with the anti-dismounting nut;

fig. 6 is a schematic structural view of the assembly and disassembly tool according to the second embodiment of the present invention when being engaged with the anti-disassembly nut.

The symbols in the drawings represent the following meanings:

100. a disassembling tool; 10. a first ferrule; 11. a first arc-shaped slot; 12. a mating surface; 13. a first side; 14. a second face; 16. a third arc-shaped slot; 17. a fourth arc-shaped groove; 18. a first stop table; 19. a second stop table; 20. a second ferrule; 21. a second arc-shaped slot; 200. an anti-disassembly nut; 201. a nut body; 202. a boss portion; 2021. a first force-bearing surface; 2022. a second force-bearing surface; 300. a pipeline.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, the present invention provides a disassembling tool 100 for disassembling or assembling an anti-disassembling nut 200, the anti-disassembling nut 200 is connected to a pipeline 300 of an air conditioner (not shown), in this embodiment, the air conditioner adopts a flammable refrigerant as a working medium, the anti-disassembling nut 200 is connected to the pipeline 300, and a non-professional person can be prevented from disassembling the joint of the pipeline 300, which results in leakage of the working medium and safety accidents. Of course, in other embodiments, the disassembly and assembly tool 100 may also be used to disassemble or assemble other disassembly-prevention nuts 200 that need to be prevented from being disassembled.

Specifically, the anti-disassembly nut 200 includes a nut body 201 and a boss 202 disposed on an end surface of the nut body 201, the boss 202 is circumferentially distributed along the end surface of the nut body 201, the boss 202 is provided with a first stress surface 2021 and a second stress surface 2022, the first stress surface 2021 and the second stress surface 2022 are disposed oppositely and are respectively located on two sides of the boss 202, and the boss 202 is provided with the first stress surface 2021 and the second stress surface 2022. In the present embodiment, the number of the protruding portions 202 is two, and in other embodiments, the number of the protruding portions 202 may be other, such as one, three, four, etc.

Example one

Referring to fig. 1, in the embodiment, the first force-bearing surface 2021 is a vertical plane parallel to the axial direction of the anti-disassembly nut 200, and the second force-bearing surface 2022 is a compound curved surface having two curved surfaces, which form an acute angle with the axial direction of the anti-disassembly nut 200. In other embodiments, the first force-bearing surface 2021 and the second force-bearing surface 2022 may also be provided as an inclined surface, a curved surface, or other types of surfaces.

The dismounting tool 100 is designed for the particularity of the structure of the anti-disassembly nut 200, and is used for dismounting or mounting the anti-disassembly nut 200, and when the dismounting tool 100 is used for overhauling the anti-disassembly nut 200, the anti-disassembly nut 200 is prevented from being replaced, and the resource waste is avoided.

Specifically, please see fig. 2, the dismounting tool 100 includes a first cutting ferrule 10 and a second cutting ferrule 20, a first concave arc-shaped groove 11 is formed on the first cutting ferrule 10, a first concave arc-shaped groove 11 is formed on the second cutting ferrule 20, the first cutting ferrule 10 and the second cutting ferrule 20 are covered on the outer wall of the nut body 201, and the first arc-shaped groove 11 and the second arc-shaped groove 21 surround and cooperatively wrap the nut body 201.

Further, the first cutting ferrule 10 and the second cutting ferrule 20 are provided with an external tool (not shown) for disassembling and assembling the anti-disassembly nut 200, the outer walls of the first cutting ferrule 10 and the second cutting ferrule 20 are provided with a fitting surface 12 matched with the external tool, and the external tool applies force to the fitting surface 12, so as to drive the anti-disassembly nut 200 to rotate. Here, the external tool may be a monkey wrench or a fixed wrench, etc.

Preferably, the mating surface 12 is planar and the planar surface on the first ferrule 10 is parallel to the mating surface 12 on the second ferrule 20 so that an external tool can act on the assembly tool 100.

More preferably, the outer walls of the first ferrule 10 and the second ferrule 20 have a plurality of fitting surfaces 12, and the fitting surfaces 12 on the first ferrule 10 and the fitting surfaces 12 on the second ferrule 20 are respectively parallel. It will be appreciated that the provision of a plurality of engagement surfaces 12 allows the external tool to apply force at different angles to facilitate removal and installation in locations where space is limited. In this embodiment, the first ferrule 10 and the second ferrule 20 are both provided with three mating surfaces, but in other embodiments, the first ferrule 10 and the second ferrule 20 may also be provided with other numbers of mating surfaces.

Further, one end of the first ferrule 10 and one end of the second ferrule 20 include a first surface 13, a second surface 14 and a first stopper 18, the first surface 13 is matched with the first stressed surface 2021, the second surface 14 is matched with the second stressed surface 2022, when the anti-disassembly nut 200 is installed, the first surface 13 is abutted against the first stressed surface 2021, so that when the first ferrule 10 and the second ferrule 20 are rotated by external force, the nut body 201 can be synchronously rotated; when the anti-disassembly nut 200 is disassembled, the second surface 14 abuts against the second force-bearing surface 2022, and the first stop table 18 abuts against the end surface of the nut body 201 far away from the boss 202, so that the nut body 201 can synchronously rotate when the first ferrule 10 and the second ferrule 20 are rotated by external force.

In this embodiment, both the first ferrule 10 and the second ferrule 20 are provided with the first surface 13 and the second surface 14, and in other embodiments, only one of the first ferrule 10 and the second ferrule 20 may be provided with the first surface 13 and the second surface 14, or the first ferrule 10 is provided with the first surface 13 and the second ferrule 20 is provided with the second surface 14.

Specifically, the included angle between the first surface 13 and the dismounting direction of the dismounting-preventing nut 200 is less than or equal to 90 ℃, so that when an external tool is used for mounting the dismounting-preventing nut 200, the first surface 13 can be abutted against the first stress surface 2021 for applying force, and the dismounting-preventing nut 200 is screwed down; the included angle between the second surface 14 and the dismounting direction of the anti-dismounting nut 200 is less than 90 ℃, so that when an external tool is used for dismounting the anti-dismounting nut 200, the second surface 14 can be abutted against the second stress surface 2022 for force application, and the first stop table 18 can hook the anti-dismounting nut 200 to prevent the anti-dismounting nut 200 from being separated, so that the anti-dismounting nut 200 is unscrewed.

The first surface 13 is a plane, and when the anti-detachment nut 200 is mounted, the first surface 13 is at least partially attached to the first force bearing surface 2021 on the nut body 201, so as to improve the stability of the abutting between the first ferrule 10 and/or the second ferrule 20 and the nut body 201. The second surface 14 is a curved surface, and when the anti-detachment nut 200 is detached, the second surface 14 is at least partially attached to the second force-bearing surface 2022 of the nut body 201.

In this embodiment, the first surface 13 is a vertical plane, that is, the dismounting direction of the first surface 13 and the dismounting nut 200 is equal to 90 ℃, and when the dismounting-preventing nut 200 is dismounted, the first surface 13 completely fits to the first force-bearing surface 2021, and the second surface 14 completely fits to the second force-bearing surface 2022. Of course, in other embodiments, the first surface 13 and the first surface 13 may be partially attached to the first force-bearing surface 2021, the second surface 14 may be partially attached to the second force-bearing surface 2022, or the first surface 13 and the second surface 14 are designed to have corresponding matching structures according to different structures of the first force-bearing surface 2021 and the second force-bearing surface 2022.

Further, a third arc-shaped groove 16 and a fourth arc-shaped groove 17 are respectively formed at two ends of the first cutting sleeve 10 and the second cutting sleeve 20, the two third arc-shaped grooves 16 surround the pipeline 300, and the fourth arc-shaped groove 17 is located at the other end and is matched with the third arc-shaped grooves 16 to clamp the nut body 201.

Preferably, the depth in the third arc-shaped groove 16 and the fourth arc-shaped groove 17 is smaller than the depth of the first arc-shaped groove 21 or the second arc-shaped groove 21, a first stop table 18 for limiting the movement of the anti-disassembly nut 200 along the axial direction of the pipeline 300 is formed on the inner wall of the first or second cutting sleeve 20, and the first stop table 18 is matched with one end surface of the nut body 201 far away from the bulge 202, so that the nut body 201 is clamped by the first cutting sleeve 10 and the second cutting sleeve 20 in a matched manner.

When the anti-disassembly nut 200 is installed, the first surface 13 abuts against the first force bearing surface 2021, so that the nut body 201 can synchronously rotate when the first ferrule 10 and the second ferrule 20 rotate by external force; when the anti-disassembly nut 200 is disassembled, the first stop table 18 clamps the nut body 201, and the second surface 14 abuts against the second stress surface 2022, so that the nut body 201 can synchronously rotate when an external tool rotates the first ferrule 10 and the second ferrule 20. In the present invention, the external force refers to the force applied by an external tool.

Further, a right angle is formed between the first stopping table 18 and the inner wall of the first or second ferrule 20, that is, the first stopping table 18 can be attached to one end of the cylindrical anti-disassembly nut 200, so that the clamping is firmer.

The dismounting tool 100 is further provided with a second stop platform 19 matched with the end face of the nut body 201 close to the protruding portion 202, and a right angle is formed between the second stop platform 19 and the inner walls of the first arc-shaped groove 11 and the second arc-shaped groove 21, so that the clamping is firmer.

Preferably, in this embodiment, the first cutting ferrule 10 and the second cutting ferrule 20 are both semi-cylindrical, and the first cutting ferrule 10 and the second cutting ferrule 20 have the same structure and size, so as to save the processing procedure of the dismounting tool 100, of course, in other embodiments, the first cutting ferrule 10 and the second cutting ferrule 20 may also have different sizes, that is, the ratio of the sizes of the first cutting ferrule 10 and the first cutting ferrule 10 may be 1:2, 2:1, 1:3, or other combinations.

Example two

The structure shown in this embodiment is substantially the same as that in the first embodiment, and the same parts are not described herein again, but the differences are as follows:

referring to fig. 3, the first force-bearing surface 2021 and the second force-bearing surface 2022 of the anti-detachment nut 200 are both curved surfaces, and the first force-bearing surface 2021 is concave relative to the axial direction of the anti-detachment nut 200, and the second force-bearing surface 2022 is convex relative to the axial direction of the anti-detachment nut 200. In other embodiments, the first force-bearing surface 2021 and the second force-bearing surface 2022 may also be vertical planes, inclined planes, or other types of surfaces.

Specifically, referring to fig. 4, in order to cooperate with the first force-bearing surface 2021 and the second force-bearing surface 2022 of the anti-disassembly nut 200, the first surface 13 and the second surface 14 are both curved surfaces, the first surface 13 is a convex curved surface, the second surface 14 is a concave curved surface, and an included angle between the first surface 13 and the second surface 14 and a disassembly direction of the anti-disassembly nut 200 is less than 90 ℃, so that when the nut is disassembled, the first surface 13 and the second surface 14 can bear force to screw or unscrew the anti-disassembly nut 200. Of course, in other embodiments, the first surface 13 and the second surface 14 are designed to be corresponding to the matching structures according to different structures of the first bearing surface 2021 and the second bearing surface 2022.

Referring to fig. 5 and 6, when the anti-disassembly nut 200 is installed, the first cutting ferrule 10 and the second cutting ferrule 20 are matched to wrap the nut body 201, the first stopping table 18 and the second stopping table 19 clamp two ends of the nut body 201, the third arc-shaped groove 16 is sleeved on the pipeline 300, the first surface 13 is abutted to the first stressed surface 2021, an external tool acts on the matching surface 12 to drive the disassembly and assembly tool 100 to rotate, and the anti-disassembly nut body 201 is driven to rotate, so that the disassembly and assembly tool 100 is installed on the anti-disassembly nut 200.

When dismantling anti-disassembly nut 200, first cutting ferrule 10 and second cutting ferrule 20 cooperation parcel nut body 201, the both ends of

first backstop platform

18 and 19 chucking nut bodies 201 of second backstop platform, pipeline 300 is located to third arc wall 16 cover, second face 14 and second stress surface 2022 butt, external instrument acts on fitting surface 12, drives assembly and disassembly tools 100 and rotates, drives and prevents that nut body 201 is rotatory, thereby, accomplish assembly and disassembly tools 100 to anti-disassembly nut 200's dismantlement.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dismounting tool is used for dismounting or mounting an anti-dismounting nut (200), the anti-dismounting nut (200) is used for connecting a pipeline (300), the anti-dismounting nut (200) comprises a nut body (201) and a convex part (202) arranged on the end surface of the nut body (201), a first stress surface (2021) and a second stress surface (2022) are arranged on the convex part (202), and the dismounting tool is characterized in that,

the disassembling tool comprises a first clamping sleeve (10) and a second clamping sleeve (20), wherein one end of the first clamping sleeve (10) and/or the second clamping sleeve (20) is provided with a first surface (13) matched with the first stress surface (2021), a second surface (14) matched with the second stress surface (2022) and a first stop table (18) matched with the end face, far away from the boss (202), of the nut body (201), and when the disassembly-preventing nut (200) is installed, the first surface (13) is abutted to the first stress surface (2021) so that the nut body (201) can synchronously rotate when the first clamping sleeve (10) and the second clamping sleeve (20) are rotated by external force; when the anti-disassembly nut (200) is disassembled, the second surface (14) is abutted to the second stress surface (2022), and the first stop table (18) is abutted to the end surface, far away from the boss (202), of the nut body (201), so that when the first clamping sleeve (10) and the second clamping sleeve (20) are rotated by external force, the nut body (201) can rotate synchronously.

2. Disassembly and assembly tool according to claim 1, wherein in assembled state the second face (14) at least partially abuts the second force-bearing face (2022) and/or the first face (13) at least partially abuts the first force-bearing face (2021).

3. The disassembly and assembly tool of claim 2, wherein the angle between the first surface (13) and the disassembly and assembly direction of the disassembly-prevention nut (200) is less than or equal to 90 °, and the angle between the second surface (14) and the disassembly and assembly direction of the disassembly-prevention nut (200) is less than 90 °.

4. A disassembly and assembly tool according to claim 3, wherein the first face (13) is provided as a plane and the second face (14) is provided as a curved face.

5. The disassembly and assembly tool of claim 3, wherein the first surface (13) and the second surface (14) are both provided as curved surfaces, the first surface (13) is convex toward the assembly direction of the disassembly-prevention nut (200), and the second surface (14) is concave toward the disassembly direction of the disassembly-prevention nut (200).

6. The disassembly and assembly tool of claim 3, wherein the first and second cutting sleeves (10, 20) are respectively provided with a first arc-shaped groove (11) and a second arc-shaped groove (21) which are concave, and the first stop table (18) forms a right angle with the inner walls of the first arc-shaped groove (11) and the second arc-shaped groove (21).

7. A disassembly and assembly tool according to claim 6, characterized in that the disassembly and assembly tool is further provided with a second stop abutment (19) which is engaged with the end surface of the nut body (201) close to the boss (202), wherein the second stop abutment (19) forms a right angle with the inner wall of the first arc-shaped groove (11) and/or the second arc-shaped groove (21).

8. The disassembly and assembly tool of claim 1, wherein the first and second ferrules (10, 20) are semi-cylindrical and the first and second ferrules (10, 20) are identical in structure and size.

9. The dismounting tool according to claim 1, characterized in that the first and second ferrules (10, 20) are provided with an external tool for dismounting the dismounting prevention nut (200), and the outer walls of the first and second ferrules (10, 20) are provided with mating surfaces (12) for mating with the external tool.

10. A break-off tool according to claim 9, characterized in that the mating surface (12) is plane.