Disassembly tooling

CN224630568UActive Publication Date: 2026-08-14SHINRY TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

由于盖板与壳体通过螺钉锁紧,组装效率和拆卸效率较低

Benefits of technology

[0014]本申请中,通过使用拆卸工装将盖板装于壳体,并设置可伸缩的锁止件来锁止盖板和壳体,便于盖板的组装和拆卸,有利于提高测试过程中盖板的组装和拆卸的效率。

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Abstract

This application discloses a disassembly fixture for assembling an on-board charger. The disassembly fixture includes a support plate, a first mounting base, a second mounting base, a pad, and at least two locking members. The first mounting base is fixed to one side of the support plate along its length, the pad is fixed to the side of the support plate opposite to the first mounting base, and the second mounting base is fixed to the side of the pad opposite to the support plate. The two locking members are respectively connected to the first and second mounting bases. The locking members have an unlocked state and a locked state. The disassembly fixture can improve the assembly and disassembly efficiency of the cover and the housing.
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Description

Technical Field

[0001] This application relates to the field of machinery, and more particularly to a disassembly tool. Background Technology

[0002] The power supply unit includes a housing, a cover, and a power module. During the assembly phase, the power module needs to be tested. Before testing, the power module must be installed inside the housing, and then the opening of the housing is sealed with the cover, and screws are used to lock the cover and housing together to ensure that the product's condition during testing matches its condition during user use. After testing, the cover needs to be removed for the next process. Because the cover is locked to the housing with screws, assembly and disassembly efficiency is relatively low. Utility Model Content

[0003] The purpose of this application is to provide a disassembly fixture for mounting a cover plate onto a housing, which provides high assembly and disassembly efficiency.

[0004] This application provides a disassembly fixture for assembling an on-board charger. The disassembly fixture includes a support plate, a first mounting base, a second mounting base, a pad, and at least two locking members. The first mounting base is fixed to one side of the support plate, the pad is fixed to the side of the support plate opposite to the first mounting base, and the second mounting base is fixed to the side of the pad opposite to the support plate. The two locking members are respectively connected to the first mounting base and the second mounting base. The locking members have an unlocked state and a locked state. When the two locking members are in the unlocked state, one end of each locking member is located inside the first mounting base and the second mounting base, respectively. When the two locking members are in the locked state, one end of the locking member fixed to the first mounting base extends to the side of the first mounting base facing the second mounting base, and one end of the locking member fixed to the second mounting base extends to the side of the second mounting base facing the first mounting base.

[0005] In some embodiments, both locking members include a locking sleeve and a locking pin, with the two locking sleeves at least partially fixed to a first mounting base and a second mounting base, respectively. Each locking sleeve has a guide hole extending through it, and the two locking pins pass through the two guide holes respectively. When the locking member is in the unlocked state, the end of one locking pin facing the other is located inside the guide hole; when the locking member is in the locked state, the end of one locking pin facing the other is located outside the guide hole.

[0006] In some embodiments, the locking sleeve has a limiting groove that communicates with a guide hole, and the locking pin has a limiting platform. When the locking member is in the locked state, the limiting platform engages with the limiting groove.

[0007] In some embodiments, the locking sleeve has a top surface. A limiting groove is disposed on the top surface, and the locking pin includes a rotating member and a limiting member fixedly connected, with a limiting platform disposed on the end face of the limiting member facing the rotating member. When the locking member is in the locked state, the limiting platform is engaged with the limiting groove, the limiting member abuts against the top surface, and the end of the rotating member away from the limiting member extends out of the guide hole.

[0008] In some embodiments, the inner circumferential surface of the guide hole is provided with a first positioning step, and the outer circumferential surface of the rotating member is provided with a second positioning step. The first positioning step and the second positioning step are spaced apart from each other along the axial direction of the rotating member. The locking member also includes an elastic member, which is disposed in the guide hole and sleeved on the rotating member. The opposite ends of the elastic member abut against the first positioning step and the second positioning step, respectively.

[0009] In some embodiments, the first mounting base and the second mounting base are inclined relative to the support plate.

[0010] In some embodiments, the angle between the first mounting base and the support plate is less than 90 degrees, and the angle between the second mounting base and the support plate is less than 90 degrees.

[0011] In some embodiments, the angle between the locking member fixed to the first mounting base and the first mounting base is greater than or equal to 90 degrees, and the angle between the locking member fixed to the second mounting base and the second mounting base is greater than or equal to 90 degrees.

[0012] In some embodiments, the distance between the locking member fixed to the first mounting base and the support plate is not equal to the distance between the locking member fixed to the second mounting base and the support plate.

[0013] In some embodiments, the support plate is provided with clearance holes that penetrate the support plate along its thickness direction.

[0014] In this application, a disassembly tool is used to install the cover plate onto the housing, and a retractable locking component is provided to lock the cover plate and the housing, which facilitates the assembly and disassembly of the cover plate and helps to improve the efficiency of the assembly and disassembly of the cover plate during the test. Attached Figure Description

[0015] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the embodiments will be briefly described below.

[0016] Figure 1 This is an application scenario diagram of the disassembly tooling provided in this application.

[0017] Figure 2 yes Figure 1 The diagram shows an exploded three-dimensional structure of the disassembly tooling and the on-board charger.

[0018] Figure 3 yes Figure 1 The image shows one of the cross-sectional views of the disassembly fixture and the on-board charger.

[0019] Figure 4 yes Figure 1 Another cross-sectional view of the disassembly tooling and on-board charger shown.

[0020] Figure 5 yes Figure 2 The diagram shows an exploded three-dimensional view of the locking mechanism of the disassembly fixture.

[0021] Figure 6 hour Figure 3 Enlarged view of section A.

[0022] Figure 7 yes Figure 4 Enlarged view of section B. Detailed Implementation

[0023] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0024] It should be noted that, in this document, the reference to "embodiment" or "implementation" means that a specific feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0025] The terms "first" and "second" appearing in this application are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified. It should be noted that, unless otherwise explicitly stated and limited, the terms "installed," "connected," "linked," and "set on" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0026] For ease of understanding, such as Figure 1 The length direction of the disassembly fixture 100 is defined as the X-axis, the width direction as the Y-axis, and the height direction as the Z-axis. The X-axis, Y-axis, and Z-axis are perpendicular to each other.

[0027] Please refer to Figure 2 , Figure 3 and Figure 4 The disassembly fixture 100 provided in this application is used to assemble the on-board charger 200. The on-board charger 200 includes a cover plate 210, a housing 220 and a power device 230. The power device 230 is installed inside the housing 220, and the cover plate 210 is installed in the housing 220 to close the opening of the housing 220.

[0028] The disassembly fixture includes a main body 10 and at least two locking members 20. The main body 10 includes a support plate 12, a pad 13, a first mounting base 14, and a second mounting base 15. The first mounting base 14 is fixed to one side of the support plate 12, the pad 13 is fixed to the side of the support plate 12 opposite to the first mounting base 14, and the second mounting base 15 is fixed to the side of the pad 13 opposite to the support plate 12. In the X-axis direction, the first mounting base 14 and the second mounting base 15 are spaced apart. The two locking members 20 are respectively connected to the first mounting base 14 and the second mounting base 15. The locking members 20 have an unlocked state and a locked state. When the two locking members 20 are in the unlocked state, the ends of the two locking members 20 facing the gap between the first mounting base 14 and the second mounting base 15 are respectively located inside the first mounting base 14 and the second mounting base 15. When the two locking members 20 are in the locked state, one end of the locking member 20 fixed to the first mounting base 14 extends to the side of the first mounting base 14 facing the second mounting base 15, and one end of the locking member 20 fixed to the second mounting base 15 extends to the side of the second mounting base 15 facing the first mounting base 14.

[0029] The support plate 12 is used to fix the cover plate 210, and the housing 220 is located on the side of the cover plate 210 away from the support plate 12. When the locking member 20 is in the unlocked state, the cover plate 210 and the housing 220 are in a disassembled state. The disassembled state is when the cover plate 210 is placed on the housing 220, and there is no locking force between the cover plate 210 and the housing 220. This state is the same as when the cover plate 210 and the housing 220 are not locked with screws. When the two locking members 20 switch from the unlocked state to the locked state, the ends of the two locking members 20 facing the housing 220 extend into the gap between the first mounting base 14 and the second mounting base 15 and abut against the side of the housing 220 away from the cover plate 210, so that the housing 220 and the cover plate 210 are assembled. The assembled state is when the cover plate 210 is placed on the housing 220, and there is a locking force between the cover plate 210 and the housing 220. This state is the same as when the cover plate 210 and the housing 220 are locked with screws.

[0030] In some embodiments, the support plate 12 is rectangular; in other embodiments, it may be square or circular. A first mounting base 14 is fixed to one side of the support plate 12 along the X-axis or Y-axis direction via methods including but not limited to threaded connections, welding, or bonding. The first mounting base 14 extends along the Z-axis direction and has a first mounting hole 141 that penetrates the first mounting base 14 along the extension / retraction direction of the locking member 20. The first mounting hole 141 is located at the end of the first mounting base 14 away from the support plate 12. A pad 13 is fixed to the side of the support plate 12 opposite to the first mounting base 14. A second mounting base 15 is fixed to the side of the pad 13 opposite to the support plate 12. The second mounting base 15 extends along the Z-axis direction and has a second mounting hole 151 that penetrates the second mounting base 15 along the extension / retraction direction of the locking member 20. The second mounting hole 151 is located at the end of the second mounting base 15 away from the support plate 12.

[0031] One end of one locking member 20 passes through the first mounting hole 141 of the first mounting base 14, and one end of the other locking member 20 passes through the second mounting hole 151 of the second mounting base 15. For example, the number of first mounting bases 14 and the number of the one locking member 20 are both one, and the number of second mounting bases 15, the number of pads 13 and the number of the other locking member 20 are both two.

[0032] In this embodiment, before testing the power device 230, the power device 230 is first installed in the housing 220, then the cover plate 210 is installed on the support plate 12 of the main body 10, and then the main body 10 and the cover plate 210 are placed on the housing 220. The cover plate 210 closes the opening of the housing 220. The cover plate 210 is located between the housing 220 and the support plate 12. The first mounting seat 14 and the second mounting seat 15 are respectively located on both sides of the housing 220 along the X-axis direction. At this time, both locking members 20 are in the unlocked state. The ends of the two locking members 20 facing the housing 220 are respectively located in the first mounting seat 14 and the second mounting seat 15. The cover plate 210 and the housing 220 are in a disassembled state.

[0033] Then, push the two locking members 20 respectively, so that both locking members 20 switch from the unlocked state to the locked state. The ends of the two locking members 20 facing the housing 220 extend into the gap between the first mounting base 14 and the second mounting base 15 and abut against the side of the housing 220 away from the cover plate 210, so that the support plate 12 presses down on the cover plate 210, and the housing 220 and the cover plate 210 are in an assembled state. At this time, the state of the on-board charger 200 is consistent with the state when the user uses it, and the staff can test the power device 230.

[0034] In this embodiment, the cover plate 210 is mounted on the housing 220 using the disassembly fixture 100, and a retractable locking member 20 is provided to lock the cover plate 210 and the housing 220, which facilitates the assembly and disassembly of the cover plate 210 and helps to improve the efficiency of the assembly and disassembly of the cover plate 210 during the test.

[0035] In some embodiments, please continue to refer to Figure 3 To ensure a more stable connection between the two locking members 20 and the housing 220, the end face of the housing 220 facing the first mounting base 14 is provided with an abutment groove 2201, and the end face of the housing 220 facing the second mounting base 15 is provided with an abutment block 2202. When the two locking members 20 are switched to the locked state, the locking member 20 connected to the first mounting base 14 abuts against the side of the abutment groove 2201. The locking member 20 connected to the second mounting base 15 abuts against the side of the abutment block 2202 away from the cover plate 210.

[0036] In some embodiments, please refer to Figure 5 , Figure 6 and Figure 7 The locking component 20 includes a locking sleeve 21 and a locking pin 22. The locking sleeve 21 includes a fixed section 212 and a mating section 213 that are fixedly connected. The outer peripheral surface of the fixed section 212 is provided with threads. The locking sleeve 21 is provided with a guide hole 211 that penetrates the locking sleeve 21. The guide hole 211 penetrates the end face of the fixed section 212 that is away from the mating section 213 and the end face of the mating section 213 that is away from the fixed section 212.

[0037] Two locking sleeves 21 are at least partially fixed to the first mounting base 14 and the second mounting base 15, respectively. Specifically, the fixing sections 212 of the two locking sleeves 21 are threadedly connected to the first mounting hole 141 and the second mounting hole 151, respectively. In other embodiments, the fixing sections 212 of the two locking sleeves 21 can also be fixed to the first mounting hole 141 and the second mounting hole 151 by means including but not limited to welding or bonding. The mating sections 213 of the two locking sleeves 21 are located on the side of the first mounting base 14 facing away from the housing 220 and the side of the second mounting base 15 facing away from the housing 220, respectively. The guide holes 211 of the two locking members 20 are connected to the gap between the first mounting base 14 and the second mounting base 15. One end of the two locking pins 22 passes through the two guide holes 211, and the two locking pins 22 can extend and retract along the two guide holes 211, allowing the two locking members 20 to switch between an unlocked state and a locked state.

[0038] When both locking members 20 are in the unlocked state, the end of one locking pin 22 facing the other is located inside the guide hole 211. That is, of the two locking members 20, the end of the locking pin 22 facing the housing 220 is located inside the guide hole 211. When the two locking members 20 switch from the unlocked state to the locked state, the end of one locking pin 22 facing the other is located outside the guide hole 211. That is, of the two locking members 20, the end of the locking pin 22 facing the housing 220 extends into the gap between the first mounting base 14 and the second mounting base 15, and abuts against the side of the housing 220 away from the cover plate 210. In this embodiment, by setting the locking member 20 as a locking sleeve 21 and a locking pin 22, the structure is simple, the cost is reduced, and the locking sleeve 21 can guide the locking pin 22, allowing the locking pin 22 to extend and retract more stably.

[0039] In some embodiments, please continue to refer to Figure 5 , Figure 6 and Figure 7 The locking sleeve 21 has abutment surface 214, which is the end face of the mating section 213 facing away from the fixed section 212. The abutment surface 214 is provided with a limiting groove 2141, which communicates with the guide hole 211 and penetrates the side of the locking sleeve 21 facing away from the guide hole 211. Specifically, the limiting groove 2141 penetrates the inner circumferential surface of the guide hole 211 and the outer circumferential surface of the mating section 213 radially through the locking sleeve 21. The design of the limiting groove 2141 communicating with the guide hole 211 and penetrating the side of the locking sleeve 21 facing away from the guide hole 211 makes the locking sleeve 21 easier to process, improving processing efficiency and reducing costs. In this embodiment, there are two limiting grooves 2141, which are respectively located on both sides of the guide hole 211 in the radial direction. In other embodiments, there may be only one limiting groove 2141.

[0040] The locking pin 22 includes a rotating member 221 and a limiting member 222 fixedly connected. The limiting member 222 has a limiting platform 2221 on its end face facing the rotating member 221. Specifically, both the rotating member 221 and the limiting member 222 are cylindrical and coaxial. The diameter of the limiting member 222 is larger than the diameter of the rotating member 221, so that a stepped surface 2222 is formed between the limiting member 222 and the rotating member 221. The stepped surface 2222 faces the rotating member 221, and the limiting platform 2221 is disposed on the stepped surface 2222. In this embodiment, there are two limiting platforms 2221, which are disposed on both sides of the rotating member 221 in the radial direction.

[0041] When the locking member 20 is in the unlocked state, the rotating member 221 is located inside the guide hole 211, the limiting member 222 is located outside the guide hole 211, and the limiting platform 2221 is misaligned with the limiting groove 2141, with the limiting platform 2221 abutting against the abutting surface 214. When the locking member 20 switches from the unlocked state to the locked state, the locking pin 22 rotates, causing the limiting platform 2221 to face the limiting groove 2141, and the limiting platform 2221 to engage with the limiting groove 2141, with the stepped surface 2222 of the limiting member 222 abutting against the abutting surface 214. The end of the rotating member 221 away from the limiting member 222 extends out of the guide hole 211 and abuts against the side of the housing 220 away from the cover plate 210.

[0042] In this embodiment, when the locking member 20 is in the unlocked state, the limiting platform 2221 abuts against the abutment surface 214, preventing the locking pin 22 from extending beyond the guide hole 211, thus allowing the locking member 20 to remain more stably in the unlocked state. When the locking member 20 switches to the locked state, the limiting platform 2221 engages with the limiting groove 2141, and the stepped surface 2222 of the limiting member 222 abuts against the abutment surface 214, achieving axial and circumferential limiting. The locking pin 22 can abut against the housing 220 more stably, thereby ensuring that the clamping force between the cover plate 210 and the housing 220 remains unchanged, which helps the on-board charger 200 maintain a good testing condition.

[0043] Please refer to Figure 6 and Figure 7 In some embodiments, the inner circumferential surface of the guide hole 211 is provided with a first positioning step 2111, and the outer circumferential surface of the rotating member 221 is provided with a second positioning step 2211; the first positioning step 2111 and the second positioning step 2211 are spaced apart from each other along the axial direction of the rotating member 221. The locking member 20 also includes an elastic member 23, which is disposed in the guide hole 211 and sleeved on the rotating member; the opposite ends of the elastic member 23 abut against the first positioning step 2111 and the second positioning step 2211, respectively. For example, in this embodiment, the elastic member 23 is a spring; in other embodiments, the elastic member 23 can also be other elastic components, such as rubber components. In this embodiment, when the locking member 20 is in the locked state, the elastic member 23 is compressed, and the elastic force of the elastic member 23 continuously acts on the second positioning step 2211 of the rotating member 221, thereby making the locking pin 22 stably abut against the housing 220.

[0044] In some embodiments, please refer to Figure 5 The locking pin 22 also includes an operating part 223, which is disposed at the end of the limiting member 222 opposite to the rotating member 221. In this embodiment, the user can easily operate the locking pin 22 by rotating or pushing it with the hand operating part 223, which helps to improve the user experience.

[0045] In some embodiments, please refer to Figure 3 and Figure 4 The first mounting base 14 and the second mounting base 15 are inclined relative to the support plate 12. The angle between the first mounting base 14 and the support plate 12 is less than 90 degrees. In this embodiment, the angle between the first mounting base 14 and the support plate 12 is 85 degrees. In other embodiments, the angle between the first mounting base 14 and the support plate 12 can also be 83 degrees, 84 degrees, or 86 degrees, etc. The angle between the second mounting base 15 and the support plate 12 is less than 90 degrees. In this embodiment, the angle between the second mounting base 15 and the support plate 12 is 85 degrees. In other embodiments, the angle between the second mounting base 15 and the support plate 12 can also be 83 degrees, 84 degrees, or 86 degrees, etc. Understandably, the end of the first mounting base 14 away from the support plate 12 and the end of the second mounting base 15 away from the support plate 12 are respectively close to the housing 220, so that the distance between the locking member 20 and the housing 220 is smaller. The locking pin 22 of the locking member 20 can abut against the housing 220 with a small extension and retraction stroke, which is convenient to operate and helps to improve the user experience.

[0046] In some embodiments, please refer to Figure 6 and Figure 7 Furthermore, the angle between the locking member 20 fixed to the first mounting base 14 and the first mounting base 14 is greater than or equal to 90 degrees, and the angle between the locking member 20 fixed to the second mounting base 15 and the second mounting base 15 is greater than or equal to 90 degrees. Understandably, the locking pin 22 of the locking member 20 is inclined towards the bearing plate 12 at one end facing the housing 220, and the extension / retraction direction of the locking pin 22 forms an angle with the X-axis direction. In this embodiment, because the locking pin 22 is inclined towards the bearing plate 12 at one end facing the housing 220, when the locking member 20 switches to the locked state, the locking pin 22 will tilt upwards and press against the side of the housing 220 away from the cover plate 210, thereby pressing the housing 220 and the cover plate 210 more tightly.

[0047] In some embodiments, please refer to Figure 4 The distance between the locking member 20 fixed to the first mounting base 14 and the support plate 12 is not equal to the distance between the locking member 20 fixed to the second mounting base 15 and the support plate 12. The two locking members 20 have different heights in the Z-axis direction, and thus the locking pins 22 of the two locking members 20 abut against different heights of the housing 220 in a misaligned manner. The abutting force of the locking member 20 against the housing 220 is greater, which in turn makes the housing 220 and the cover plate 210 pressed tighter.

[0048] In some embodiments, please refer to Figure 2 and Figure 3The support plate 12 is provided with a clearance hole 121. The clearance hole 121 is a square hole that penetrates the support plate 12 along its thickness direction and is opposite to the cover plate 210 along its thickness direction. In this embodiment, by providing the clearance hole 121, when the cover plate 210 is pressed against the housing 220, the area of ​​the cover plate 210 opposite to the clearance hole 121 will not be subjected to pressing force, which helps to prevent the cover plate 210 from deforming due to excessive pressing force.

[0049] The embodiments of this application have been described in detail above. Specific examples have been used in this article to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application.

Claims

1. A disassembling tool for assembling an on-board charger, characterized by, The disassembly fixture includes a support plate, a first mounting base, a second mounting base, a pad, and at least two locking members. The first mounting base is fixed to one side of the support plate, the pad is fixed to the side of the support plate opposite to the first mounting base, and the second mounting base is fixed to the side of the pad opposite to the support plate. The two locking members are respectively connected to the first mounting base and the second mounting base.

2. The dismounting tool according to claim 1, characterized in that Both locking components include a locking sleeve and a locking pin. The locking sleeve is at least partially fixed to the first mounting base and the second mounting base, respectively. The locking sleeve is provided with a guide hole through the locking sleeve, and the two locking pins are respectively provided in the two guide holes. When the locking member is in the unlocked state, one end of one of the locking pins facing the other is located inside the guide hole; when the locking member is in the locked state, one end of one of the locking pins facing the other is located outside the guide hole.

3. The disassembly tool according to claim 2, characterized in that The locking sleeve has a limiting groove, which communicates with the guide hole, and the locking pin has a limiting platform; when the locking member is in the locked state, the limiting platform is engaged with the limiting groove.

4. The disassembly tool according to claim 3, characterized in that The locking sleeve has a top surface; the limiting groove is disposed on the top surface; the locking pin includes a rotating part and a limiting part that are fixedly connected; the limiting platform is disposed on the end face of the limiting part facing the rotating part. When the locking member is in the locked state, the limiting platform is engaged in the limiting groove, the limiting member abuts against the abutting surface, and the end of the rotating member away from the limiting member extends out of the guide hole.

5. The disassembly tool according to claim 4, characterized in that The inner circumferential surface of the guide hole is provided with a first positioning step, and the outer circumferential surface of the rotating component is provided with a second positioning step; the first positioning step and the second positioning step are spaced apart from each other along the axial direction of the rotating component. The locking member further includes an elastic member, which is disposed in the guide hole and sleeved on the rotating member; the opposite ends of the elastic member abut against the first positioning step and the second positioning step, respectively.

6. The dismounting tool according to any one of claims 1 to 5, characterized in that The first mounting base and the second mounting base are inclined relative to the support plate.

7. The disassembly tool according to claim 6, characterized in that The angle between the first mounting base and the support plate is less than 90 degrees, and the angle between the second mounting base and the support plate is less than 90 degrees.

8. The disassembly tool according to claim 7, characterized in that The angle between the locking member fixed to the first mounting base and the first mounting base is greater than or equal to 90 degrees, and the angle between the locking member fixed to the second mounting base and the second mounting base is greater than or equal to 90 degrees.

9. The dismounting tool according to any one of claims 1 to 5, characterized in that The distance between the locking member fixed to the first mounting base and the support plate is not equal to the distance between the locking member fixed to the second mounting base and the support plate.

10. The dismounting tool according to any one of claims 1 to 5, characterized in that The support plate is provided with clearance holes, which penetrate the support plate along its thickness direction.