Loader rear cover side door fixing lock device

By designing a loader rear cover side door fixing lock device that includes a mobile limiting mechanism and a fixed lock mechanism, the existing fixed lock device is solved, and more efficient side door fixing and longer service life are achieved.

CN222772056UActive Publication Date: 2025-04-18SHANDONG LUANXIANG MACHINERY CO LTD
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Patent Information

Application Number
CN202421550864.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-18
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The existing loader rear cover side door fixing lock device is expensive and easy to damage, and has a short service life.

Method used

A loader rear cover side door fixing lock device including a mobile limiting mechanism and a fixed lock mechanism is designed. By providing components such as rotating blocks, gear teeth, fixed lock components and adsorption plates, effective fixing and limiting of the opposite side door is achieved.

Benefits of technology

Through the coordinated work of the mobile limiting mechanism and the fixed lock mechanism, the device can effectively fix the side door, improve service life, and reduce maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fixing lock device for a side door of a rear cover of a loader, and belongs to the technical field of loaders. The loader rear cover side door fixing lock device comprises a first cover body and a fixing lock mechanism, a second cover body is installed on the right side of the first cover body, a side door main body is installed on the front face of the first cover body, a movable limiting mechanism is installed on the back face of the side door main body, and a mounting base is rotationally installed on the back face of the side door main body. The installation table is installed on the back face of the installation base, the rotating block is fixedly installed on the surface of the installation table, the gear teeth are fixedly installed on the surface of the rotating block, and the fixing lock assembly is installed on the front face of the side door body. And after a user rotates the fixing lock mechanism, the movable limiting mechanism can be driven to move, the side door body can be conveniently limited after the movable limiting mechanism moves, and therefore the side door body can be conveniently fixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of loaders, in particular to a fixing lock device for a side door of a rear cover of a loader. Background Art

[0002] A loader is an earthwork construction machine widely used in construction projects such as roads, railways, buildings, hydropower, ports, and mines. It is mainly used for shoveling loose materials such as soil, sand, lime, and coal. It can also perform light shoveling and excavation of ore, hard soil, etc. By replacing different auxiliary working devices, it can also perform bulldozing, lifting, and loading and unloading of other materials such as wood. At present, the side doors of the rear cover of the loader are mostly equipped with fixing devices with key switch locks. Although it is convenient to open the side doors and can prevent theft, for construction machinery such as loaders, the side doors of the rear cover of the engine do not need to be locked for anti-theft purposes.

[0003] However, the fixing device of the fixed lock in the prior art is relatively expensive, and due to long-term mechanical vibration, the lock is easily deformed and damaged or the side door is automatically disengaged and malfunctions, resulting in a reduction in the service life of the fixed lock. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a loader rear cover side door fixing lock device which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a loader rear cover side door fixing lock device, comprising a first cover body, a second cover body is installed on the right side of the first cover body, a side door body is installed on the front side of the first cover body, and a moving limit mechanism is installed on the back side of the side door body;

[0007] A fixed lock mechanism, the fixed lock mechanism comprising:

[0008] A mounting seat, the mounting seat being rotatably mounted on the back side of the side door body;

[0009] A mounting platform, the mounting platform being mounted on the back side of the mounting seat;

[0010] A rotating block, the rotating block is fixedly mounted on the surface of the mounting platform, and the rotating block is arranged in a fan shape;

[0011] Gear teeth, the gear teeth are fixedly mounted on the surface of the rotating block, and a plurality of gear teeth are provided;

[0012] A fixed lock assembly is installed on the front side of the side door body.

[0013] In a preferred embodiment, the fixed lock assembly includes a first mounting block, which is fixedly mounted on the front side of the mounting platform, a first plug-in slot is provided on the front side of the first mounting block, a second mounting block is rotatably mounted on the front side of the first mounting block, and a second plug-in slot is provided on the front side of the second mounting block.

[0014] In a preferred embodiment, the movable limiting mechanism includes a tooth plate, which is installed on the back side of the side door body and meshes with the gear teeth. A fixed block is fixedly installed on the front side of the inner wall of the second cover body, and a limiting groove is opened on the left side of the fixed block. The limiting groove is located on the right side of the tooth plate.

[0015] In a preferred solution, a first fixing plate is fixedly installed on the right side of the back side of the side door body, a second fixing plate is fixedly installed on the left side of the side door body, and a first adsorption plate is fixedly installed on the top of the tooth plate, and the first adsorption plate is adsorbed onto the first fixing plate.

[0016] In a preferred solution, a fixing seat is fixedly mounted on the back side of the side door body, a sliding groove is provided on the back side of the fixing seat, and the tooth plate is slidably matched with the sliding groove.

[0017] In a preferred solution, a second adsorption plate is fixedly installed on the bottom of the mounting platform, a third fixing plate is fixedly installed on the back of the side door body, the third fixing plate is located at the bottom of the mounting seat, and the second adsorption plate is adsorbed on the third fixing plate.

[0018] In a preferred solution, a movable groove is provided on the back side of the side door body, a movable rod is fixedly mounted on the front side of the rotating block, and the movable rod is slidably connected to the movable groove.

[0019] In a preferred solution, a connection block is fixedly mounted on the left side of the mounting seat, and the surface of the connection block is arranged in an arc shape.

[0020] The utility model provides a loader rear cover side door fixing lock device, and its beneficial effects include:

[0021] 1. By providing a movable limiting mechanism and a fixed lock mechanism, the movable limiting mechanism can be driven to move after the user rotates the fixed lock mechanism, so that the movable limiting mechanism can limit the side door body after it moves, thereby facilitating the fixing of the side door body.

[0022] 2. By setting the first fixed plate, the second fixed plate and the first adsorption plate, the side door body can be installed on the first fixed plate and the second fixed plate, which is convenient for the user to move the tooth plate to separate the first adsorption plate from the second fixed plate, and the first adsorption plate can be adsorbed on the first adsorption plate, thereby facilitating the limiting of the tooth plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0025] Figure 2 A schematic diagram of the three-dimensional structure of the side door body provided in an embodiment of the utility model;

[0026] Figure 3 A schematic diagram of a three-dimensional cross-sectional structure of a mounting base provided in an embodiment of the utility model;

[0027] Figure 4 The utility model embodiment provides Figure 2 The enlarged structural diagram at A in the middle;

[0028] In the figure: 1. first cover body; 2. second cover body; 3. side door body; 4. movable limiting mechanism; 41. tooth plate; 42. fixed block; 43. limiting groove; 5. fixed lock mechanism; 51. mounting seat; 52. mounting table; 53. rotating block; 54. gear; 55. fixed lock assembly; 551. first mounting block; 552. first plug-in slot; 553. second mounting block; 554. second plug-in slot; 6. first fixed plate; 7. second fixed plate; 8. first adsorption plate; 9. fixed seat; 10. sliding slot; 11. second adsorption plate; 12. third fixed plate; 13. movable slot; 14. movable rod; 15. connecting block. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example

[0031] Reference Figure 1-Figure 4The utility model provides a technical solution: a loader rear cover side door fixed lock device, including a first cover body 1 and a fixed lock mechanism 5, a second cover body 2 is installed on the right side of the first cover body 1, a side door body 3 is installed on the front of the first cover body 1, and a movable limiting mechanism 4 is installed on the back of the side door body 3, so that the first cover body 1 can be installed on the side door body 3, which is convenient for the installation of the fixed lock mechanism 5 and the movable limiting mechanism 4, so that the user can rotate the fixed lock mechanism 5 and then drive the movable limiting mechanism 4 to rotate, so that the movable limiting mechanism 4 can be moved to the second cover body 2, so as to facilitate the side door body 3 to be limited.

[0032] Reference Figure 1-Figure 4 In a preferred embodiment, a fixed lock mechanism 5 is provided, the fixed lock mechanism 5 includes a mounting seat 51, a mounting platform 52, a rotating block 53, a gear 54 and a fixed lock assembly 55. The mounting seat 51 is rotatably mounted on the back of the side door body 3, the mounting platform 52 is mounted on the back of the mounting seat 51, the rotating block 53 is fixedly mounted on the surface of the mounting platform 52, the rotating block 53 is arranged in a fan shape, the gear 54 is fixedly mounted on the surface of the rotating block 53, and the gear 54 is provided with a plurality of gears. The fixed lock assembly 55 is installed on the front of the side door body 3, so that the mounting seat 51 can be installed after the mounting platform 52 is installed, so that the mounting platform 52 can install the rotating block 53, so that the mounting platform 52 can drive the rotating block 53 when rotating. 3 and the gear 54 are rotated, and the fixed lock assembly 55 includes a first mounting block 551, the first mounting block 551 is fixedly mounted on the front side of the mounting platform 52, a first plugging slot 552 is arranged on the front side of the first mounting block 551, a second mounting block 553 is rotatably mounted on the front side of the first mounting block 551, and a second plugging slot 554 is arranged on the front side of the second mounting block 553, which can facilitate the user to insert the same key as the first plugging slot 552 and the second plugging slot 554 into the first plugging slot 552 and the second plugging slot 554, so that the user can drive the first mounting block 551 and the second mounting block 553 to rotate when the key is turned, and the first mounting block 551 drives the mounting platform 52 to rotate.

[0033] At the same time, the movable limiting mechanism 4 includes a tooth plate 41, which is installed on the back of the side door body 3, and the tooth plate 41 is meshed with the gear teeth 54. A fixed block 42 is fixedly installed on the front side of the inner wall of the second cover body 2, and a limiting groove 43 is provided on the left side of the fixed block 42. The limiting groove 43 is located on the right side of the tooth plate 41, so that the rotating block 53 can drive the gear teeth 54 to rotate and drive the tooth plate 41 to move, and the tooth plate 41 can be inserted into the limiting groove 43 provided on the left side of the fixed block 42, so that the side door body 3 can be limited after the tooth plate 41 is inserted into the limiting groove 43, so as to limit the side door body 3.

[0034] Reference Figure 1-Figure 4In a preferred embodiment, a first fixing plate 6 is fixedly installed on the right side of the back side of the side door body 3, a second fixing plate 7 is fixedly installed on the left side of the side door body 3, and a first adsorption plate 8 is fixedly installed on the top of the tooth plate 41. The first adsorption plate 8 is adsorbed on the first fixing plate 6, so that the tooth plate 41 can drive the first adsorption plate 8 to move when it moves, so that the first adsorption plate 8 is separated from the second fixing plate 7, and the first adsorption plate 8 can be fitted with the first fixing plate 6, so that the first adsorption plate 8 is adsorbed on the first fixing plate 6, and a fixing seat 9 is fixedly installed on the back side of the side door body 3, and a sliding groove 10 is opened on the back side of the fixing seat 9. The tooth plate 41 slidably cooperates with the sliding groove 10, so that the sliding groove 10 can be opened after the fixing seat 9 is installed, so that the tooth plate 41 can move in the sliding groove 10 and the tooth plate 41 can be limited.

[0035] Reference Figure 1-Figure 4 In a preferred embodiment, a second adsorption plate 11 is fixedly installed on the bottom of the mounting platform 52, and a third fixed plate 12 is fixedly installed on the back of the side door body 3. The third fixed plate 12 is located at the bottom of the mounting seat 51. The second adsorption plate 11 and the third fixed plate 12 are adsorbed, so that the second adsorption plate 11 and the third fixed plate 12 can be adsorbed after the third fixed plate 12 is installed, and the third fixed plate 12 can limit the second adsorption plate 11. A movable groove 13 is opened on the back of the side door body 3, and a movable rod 14 is fixedly installed on the front of the rotating block 53. The movable rod 14 is slidably connected with the movable groove 13, so that after the movable rod 14 is installed, the movable rod 14 can be slidably connected with the movable groove 13, which is convenient for the rotating block 53 to limit. At the same time, a connecting block 15 is fixedly installed on the left side of the mounting seat 51. The surface of the connecting block 15 is arranged in an arc shape, so that the mounting seat 51 can drive the connecting block 15 to rotate and move to the inner wall of the second cover body 2, which is convenient for limiting the side door body 3.

[0036] Specifically, the working process or working principle of the loader rear cover side door fixing lock device is as follows: when in use, the user inserts the key in the shape of the first plug-in slot 552 and the second plug-in slot 554 into the first plug-in slot 552 and the second plug-in slot 554, and then the user rotates the key, so that the key drives the mounting platform 52 to rotate through the first mounting block 551, and the mounting platform 52 will drive the rotating block 53 to rotate when rotating, so that the rotating block 53 drives the tooth plate 41 to move through the gear teeth 54, so as to facilitate the tooth plate 41 to be inserted into the limiting groove 43, and when the mounting platform 52 is rotated, the connecting block 15 will be driven to rotate, so that the connecting block 15 and the surface of the second cover body 2 are fitted, so as to facilitate the side body to be limited through the tooth plate 41 and the connection, and after the tooth plate 41 is moved, the first adsorption plate 8 will be driven to separate from the second fixed plate 7, so that the first adsorption plate 8 will be adsorbed on the surface of the first fixed plate 6 after moving, so as to facilitate the tooth plate 41 to be limited, and the side door body 3 can be closed.

Claims

1. A loader rear cover side door fixing lock device, comprising a first cover body (1), a second cover body (2) is installed on the right side of the first cover body (1), and a side door body (3) is installed on the front side of the first cover body (1), characterized in that; A movement limiting mechanism (4) is installed on the back side of the side door body (3); A fixed lock mechanism (5), the fixed lock mechanism (5) comprising: A mounting seat (51), wherein the mounting seat (51) is rotatably mounted on the back side of the side door body (3); A mounting platform (52), wherein the mounting platform (52) is mounted on the back side of the mounting seat (51); A rotating block (53), wherein the rotating block (53) is fixedly mounted on the surface of the mounting platform (52), and the rotating block (53) is arranged in a fan shape; Gear teeth (54), the gear teeth (54) are fixedly mounted on the surface of the rotating block (53), and a plurality of gear teeth (54) are provided; A fixed lock assembly (55), wherein the fixed lock assembly (55) is installed on the front side of the side door body (3).

2. A loader rear cover side door fixing lock device according to claim 1, characterized in that: The fixed lock assembly (55) comprises a first mounting block (551), the first mounting block (551) being fixedly mounted on the front side of the mounting platform (52), a first plug-in slot (552) being provided on the front side of the first mounting block (551), a second mounting block (553) being rotatably mounted on the front side of the first mounting block (551), and a second plug-in slot (554) being provided on the front side of the second mounting block (553).

3. A loader rear cover side door fixing lock device according to claim 1, characterized in that: The movable limiting mechanism (4) comprises a tooth plate (41), the tooth plate (41) is mounted on the back side of the side door body (3), the tooth plate (41) is meshed with the gear teeth (54), a fixed block (42) is fixedly mounted on the front side of the inner wall of the second cover body (2), a limiting groove (43) is provided on the left side of the fixed block (42), and the limiting groove (43) is located on the right side of the tooth plate (41).

4. A loader rear cover side door fixing lock device according to claim 3, characterized in that: A first fixing plate (6) is fixedly installed on the right side of the back side of the side door body (3), a second fixing plate (7) is fixedly installed on the left side of the side door body (3), and a first adsorption plate (8) is fixedly installed on the top of the tooth plate (41), and the first adsorption plate (8) is adsorbed on the first fixing plate (6).

5. A loader rear cover side door fixing lock device according to claim 3, characterized in that: A fixing seat (9) is fixedly mounted on the back of the side door body (3), a sliding groove (10) is provided on the back of the fixing seat (9), and the tooth plate (41) is slidably matched with the sliding groove (10).

6. A loader rear cover side door fixing lock device according to claim 1, characterized in that: A second adsorption plate (11) is fixedly mounted on the bottom of the mounting platform (52), a third fixing plate (12) is fixedly mounted on the back of the side door body (3), the third fixing plate (12) is located at the bottom of the mounting seat (51), and the second adsorption plate (11) and the third fixing plate (12) are adsorbed on each other.

7. A loader rear cover side door fixing lock device according to claim 1, characterized in that: A movable groove (13) is provided on the back of the side door body (3), and a movable rod (14) is fixedly installed on the front of the rotating block (53), and the movable rod (14) is slidably connected to the movable groove (13).

8. A loader rear cover side door fixing lock device according to claim 1, characterized in that: A connection block (15) is fixedly mounted on the left side of the mounting seat (51), and the surface of the connection block (15) is arranged in an arc shape.