A tool for dismantling scrapped car engines

By combining the limiting round rod with the self-locking adjusting threaded rod, the problem of difficult adjustment of socket wrenches is solved, enabling quick socket replacement and distance adjustment, thus improving disassembly efficiency and tool applicability.

CN224575593UActive Publication Date: 2026-07-31CHONGQING WANCHE AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING WANCHE AUTOMOBILE CO LTD
Filing Date
2025-08-22
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing socket wrenches are difficult to adjust according to the nut model, resulting in the need to use sockets of various sizes, which is inconvenient to operate.

Method used

A tool for dismantling scrapped car engines was designed. It uses a combination of a limiting round rod and a self-locking adjusting threaded rod to achieve quick replacement of the sleeve and distance adjustment, adapting to dismantling of nuts of different specifications and complex positions.

Benefits of technology

It enables quick replacement of the socket and distance adjustment, improves disassembly efficiency, reduces the frequency of tool replacement, reduces the labor intensity of workers, and expands the scope of application of the tool.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a tool for dismantling end-of-life automotive engines, relating to the field of engine dismantling technology. The tool includes a main rod, a self-locking adjusting threaded rod, and a connecting block. The main rod has a sleeve; a movable auxiliary rod is also provided on the main rod, and the self-locking adjusting threaded rod drives the movable auxiliary rod to move up and down; the connecting block has a limiting rod. This tool, through the matching of the limiting rod and the self-locking adjusting threaded rod, allows for quick sleeve replacement based on the nut type, adapting to different nut specifications without cumbersome operations, avoiding time wasted due to frequent tool changes, and improving dismantling efficiency. Simultaneously, the self-locking adjusting threaded rod can flexibly adjust the distance between the main rod and the sleeve, easily handling nut dismantling at different locations on the engine, such as deep cavities and edges, breaking the operational limitations of traditional tools due to fixed distances.
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Description

Technical Field

[0001] This utility model relates to the field of engine dismantling technology, and in particular to a tool for dismantling scrapped automobile engines. Background Technology

[0002] An engine is a machine that converts other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, and electric motors. Internal combustion engines, for example, typically convert chemical energy into mechanical energy. The term "engine" can refer to both the power-generating device and the entire machine including the power unit. When dismantling a scrapped engine, tools such as socket wrenches are needed to remove the nuts. However, some socket wrenches are currently difficult to adjust to the specific nut size, requiring the use of multiple socket sizes, which is inconvenient for workers. Utility Model Content

[0003] The purpose of this utility model is to provide a tool for dismantling scrapped car engines, which can solve the problem that it is difficult to adjust the sleeve according to the model of the nut, thus requiring the use of multiple sizes of sleeves, which is inconvenient for workers to operate.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a tool for dismantling scrapped car engines, comprising a main rod, a self-locking adjusting threaded rod, and a connecting block, wherein a sleeve is provided on the main rod; The main rod is equipped with a movable auxiliary rod, and a self-locking adjusting threaded rod is used to drive the movable auxiliary rod to raise and lower. The connecting block is equipped with a limiting rod, which is used to connect the connecting block to the sleeve.

[0005] Preferably, the main rod has a square groove inside, and a movable auxiliary rod is slidably installed on the inner wall of the square groove.

[0006] Preferably, a self-locking adjusting threaded rod is rotatably installed on the top inner side of the square sliding groove on the main rod, and a threaded groove matching the self-locking adjusting threaded rod is opened inside the movable auxiliary rod. The self-locking adjusting threaded rod and the movable auxiliary rod are threadedly installed, and one end of the self-locking adjusting threaded rod extends to the top of the main rod and is fixedly installed with a handle.

[0007] Preferably, a connecting block is fixedly installed at the bottom of the movable auxiliary rod, and a connecting cylinder is fixedly installed at the top of the sleeve. The connecting block has an installation groove inside which the connecting cylinder can move, and the connecting cylinder is located in the installation groove on the connecting block.

[0008] Preferably, the connecting block is further provided with a movable groove inside. A damping limiting spring is fixedly installed on the inner wall of one side of the movable groove. A connecting movable plate is fixedly installed on one side of the damping limiting spring. A limiting round rod is fixedly installed on one side of the connecting movable plate. A sliding rod is fixedly installed on the other side of the connecting movable plate. One end of the sliding rod extends to one side of the connecting block and is fixedly installed with a handle. The sliding rod and the connecting block are slidably installed.

[0009] Preferably, the connecting cylinder has a limiting groove inside, which allows the limiting rod to move, and the limiting rod is located in the limiting groove.

[0010] Preferably, connecting rods are fixedly installed on both sides of the main rod, and anti-slip sleeves are fitted on the outer walls of the connecting rods.

[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows: This scrap car engine dismantling tool, through the combined use of a limiting round rod and a self-locking adjusting threaded rod, allows for quick sleeve replacement according to the nut model. This eliminates the need for cumbersome operations and adapts to different nut specifications, avoiding time wasted due to frequent tool changes and improving dismantling efficiency. Simultaneously, the self-locking adjusting threaded rod allows for flexible adjustment of the distance between the main rod and the sleeve, easily handling nut dismantling in different locations on the engine, such as deep cavities and edges. This breaks the operational limitations of traditional tools due to fixed distances. The overall design enhances adaptability to different nut models through quick head replacement and improves the ability to handle complex locations through distance adjustment, significantly expanding the tool's applicability, reducing the frequency of tool replacements and operational obstacles during dismantling, and lowering worker labor intensity. It is suitable for efficient dismantling scenarios involving various nuts on scrap car engines, enhancing the tool's practicality and convenience. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a perspective view of the present utility model; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is a cross-sectional view of the connecting block of this utility model.

[0013] Reference numerals in the attached diagram: 1. Main rod; 2. Self-locking adjusting threaded rod; 3. Movable auxiliary rod; 4. Connecting block; 5. Sleeve; 6. Connecting cylinder; 7. Damped limiting spring; 8. Connecting movable plate; 9. Limiting round rod; 10. Sliding rod. Detailed Implementation

[0014] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0015] Please see Figure 1-3 This utility model provides a technical solution: a tool for dismantling scrapped car engines, including a main rod 1, a self-locking adjusting threaded rod 2 and a connecting block 4. The main rod 1 is provided with a sleeve 5; the main rod 1 is provided with a movable auxiliary rod 3, and the self-locking adjusting threaded rod 2 is used to drive the movable auxiliary rod 3 to move up and down; the connecting block 4 is provided with a limiting round rod 9, and the limiting round rod 9 is used to connect the connecting block 4 and the sleeve 5.

[0016] Furthermore, a square groove is provided inside the main rod 1, and a movable auxiliary rod 3 is slidably installed on the inner wall of the square groove. A self-locking adjusting threaded rod 2 is rotatably installed on the top inner side of the square groove on the main rod 1. The movable auxiliary rod 3 has a threaded groove inside that matches the self-locking adjusting threaded rod 2. The self-locking adjusting threaded rod 2 and the movable auxiliary rod 3 are threadedly installed. One end of the self-locking adjusting threaded rod 2 extends to the top of the main rod 1 and is fixedly installed with a handle. A connecting block 4 is fixedly installed at the bottom of the movable auxiliary rod 3, and a connecting block 4 is fixedly installed at the top of the sleeve 5. The connecting block 4 is equipped with a connecting cylinder 6. An installation groove for the connecting cylinder 6 to move is provided inside the connecting block 4. The connecting cylinder 6 is located within the installation groove on the connecting block 4. A movable groove is also provided inside the connecting block 4. A damping limit spring 7 is fixedly installed on the inner wall of one side of the movable groove. A connecting movable plate 8 is fixedly installed on one side of the damping limit spring 7. A limit rod 9 is fixedly installed on one side of the connecting movable plate 8. A sliding rod 10 is fixedly installed on the other side of the connecting movable plate 8. One end of the sliding rod 10 extends to one side of the connecting block 4 and is fixedly installed... Equipped with a handle, the sliding rod 10 and connecting block 4 are slidably installed. The connecting cylinder 6 has a limiting groove inside for the movement of the limiting rod 9. The limiting rod 9 is located in the limiting groove. Connecting rods are fixedly installed on both sides of the main rod 1. The outer wall of the connecting rod is fitted with an anti-slip sleeve. The limiting rod 9 can quickly replace the sleeve 5 according to the nut model, adapting to different nut specifications without cumbersome operations, avoiding time waste caused by frequent tool changes, and improving disassembly efficiency. At the same time, the self-locking adjusting thread rod 2 can flexibly adjust the distance between the main rod 1 and the sleeve 5, easily handling the disassembly of nuts in different positions on the engine, such as deep cavities and edges. It breaks the operational limitations caused by the fixed distance of traditional tools. The overall design not only enhances the adaptability to different nut models through quick head changing, but also improves the handling capability of complex positions through distance adjustment, significantly expanding the scope of application of the tool, reducing the frequency of tool changes and operational obstacles during disassembly, reducing the labor intensity of workers, and is suitable for the efficient disassembly of various nuts in scrapped car engines, enhancing the practicality and convenience of the tool.

[0017] Working principle: When it is necessary to adjust the distance between the main rod 1 and the sleeve 5, rotating the self-locking adjusting threaded rod 2 will move the movable auxiliary rod 3. The movement of the movable auxiliary rod 3 will drive the sleeve 5 to move. When it is necessary to change the model of the sleeve 5, pull the sliding rod 10. The movement of the sliding rod 10 will drive the connecting movable plate 8 and the limiting round rod 9 to move, thereby canceling the limitation on the connecting cylinder 6. Then, the connecting block 4 can be separated from the connecting cylinder 6 to disassemble the sleeve 5.

[0018] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A tool for disassembling a junked automobile engine, characterized by comprising: include: Main rod (1), sleeve (5) is provided on main rod (1); The self-locking adjusting threaded rod (2) has a movable auxiliary rod (3) on the main rod (1). The self-locking adjusting threaded rod (2) is used to drive the movable auxiliary rod (3) to move up and down. Connecting block (4), with a limiting rod (9) on it, the limiting rod (9) is used to connect the connecting block (4) and the sleeve (5).

2. A tool for disassembling a scrapped vehicle engine according to claim 1, characterized in that: The main rod (1) has a square groove inside, and a movable auxiliary rod (3) is slidably installed on the inner wall of the square groove.

3. A tool for disassembling a scrapped vehicle engine according to claim 2, characterized in that: A self-locking adjusting threaded rod (2) is rotatably installed on the top of the square groove on the main rod (1). The movable auxiliary rod (3) has a threaded groove inside that matches the self-locking adjusting threaded rod (2). The self-locking adjusting threaded rod (2) and the movable auxiliary rod (3) are threaded together. One end of the self-locking adjusting threaded rod (2) extends to the top of the main rod (1) and is fixedly installed with a handle.

4. A tool for disassembling a scrapped vehicle engine according to claim 3, characterized in that: The bottom of the movable auxiliary rod (3) is fixedly installed with a connecting block (4), and the top of the sleeve (5) is fixedly installed with a connecting cylinder (6). The connecting block (4) has an installation groove inside which the connecting cylinder (6) can move. The connecting cylinder (6) is located in the installation groove on the connecting block (4).

5. A tool for disassembling a scrapped vehicle engine according to claim 4, characterized in that: The connecting block (4) is also provided with a movable groove. A damping limit spring (7) is fixedly installed on one side of the inner wall of the movable groove. A connecting movable plate (8) is fixedly installed on one side of the damping limit spring (7). A limit rod (9) is fixedly installed on one side of the connecting movable plate (8). A sliding rod (10) is fixedly installed on the other side of the connecting movable plate (8). One end of the sliding rod (10) extends to one side of the connecting block (4) and is fixedly installed with a handle. The sliding rod (10) and the connecting block (4) are slidably installed.

6. The tool for dismantling a scrapped automobile engine according to claim 5, characterized in that: The connecting cylinder (6) has a limiting groove inside which the limiting rod (9) can move. The limiting rod (9) is located in the limiting groove.

7. The tool for dismantling a scrapped automobile engine according to claim 6, characterized in that: Connecting rods are fixedly installed on both sides of the main rod (1), and anti-slip sleeves are fitted on the outer walls of the connecting rods.