Novel automobile seat worm

Abstract

The utility model relates to the technical field of automobile seats, and discloses a novel automobile seat worm. The worm comprises a worm body, a worm gear is rotationally connected to the outer surface of one side of the worm body, threaded through holes are formed in the two ends of the worm body, threaded columns are in threaded connection with the interiors of the threaded through holes, connecting rods are welded to the upper ends of the threaded columns, and mounting plates are welded to the outer surfaces of the lower ends of the connecting rods; the surface of the mounting plate is in threaded connection with a plurality of fixing bolts, the surface of the worm body is provided with fixing screw holes corresponding to the mounting plate, the outer surface of the upper end of the connecting rod is sleeved with a first semicircular mounting cover, and the outer surface of the upper end of the connecting rod is sleeved with a second semicircular mounting cover corresponding to the first semicircular mounting cover. And an external thread fixing plate is welded to the upper end of the first semicircular mounting cover, the outer surface of the external thread fixing plate is in threaded connection with a fixing nut, through the design, the damaged part in the use process of the worm body can be detached and replaced, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of automobile seats, and specifically relates to a novel worm gear for automobile seats. Background Art

[0002] Car electric seats are widely used in the current automotive field. They have functions such as electric lifting and adjusting seat angles, which greatly improve the automation level of car seats and meet people's daily needs. In the lifting process of car seats, the cooperation of worms and worm wheels is required.

[0003] Nowadays, worm gear transmission is a kind of transmission that transmits motion and power between two axes staggered in space. The angle between the two axes can be any value, and the commonly used value is 90°. This kind of transmission has the advantages of compact structure, large transmission ratio, smooth transmission and reliable self-locking under certain conditions. It is widely used in machine tools, automobiles, instruments, lifting and transportation machinery, metallurgical machinery and other machines or equipment.

[0004] However, when a part is severely worn or damaged during use, the entire worm needs to be replaced, and the damaged part cannot be selectively replaced, which increases the cost. Utility Model Content

[0005] The purpose of the present application is to provide a novel automobile seat worm in order to solve the above-mentioned problem that the damaged part cannot be selectively replaced.

[0006] The technical solution adopted in this application is as follows: a new type of car seat worm, including a worm body, an outer surface of one side of the worm body is rotatably connected to a worm wheel, threaded through holes are opened inside the two ends of the worm body, the internal threads of the threaded through holes are connected to threaded columns, and a connecting rod is welded to the upper end of the threaded column.

[0007] By adopting the above technical solution and the above design, the damaged part of the worm main body during use can be disassembled and replaced, thereby reducing the maintenance cost.

[0008] In a preferred embodiment, a mounting plate is welded to the outer surface of the lower end of the connecting rod, a plurality of fixing bolts are threadedly connected to the surface of the mounting plate, and a fixing screw hole corresponding to the mounting plate is opened on the surface of the worm body.

[0009] By adopting the above technical solution, the connection between the connecting rod and the worm body is fixed, and disassembly and assembly are convenient, thereby improving stability and convenience.

[0010] In a preferred embodiment, a semicircular mounting cover 1 is sleeved on the outer surface of the upper end of the connecting rod, and a semicircular mounting cover 2 corresponding to the semicircular mounting cover 1 is sleeved on the outer surface of the upper end of the connecting rod. The semicircular mounting cover 1 and the semicircular mounting cover 2 have the same structure and are centrally symmetrical. An externally threaded fixing plate is welded to the upper end of the semicircular mounting cover 1, and a fixing nut is threadedly connected to the outer surface of the externally threaded fixing plate.

[0011] By adopting the above technical solution, semicircular mounting cover one and semicircular mounting cover two are connected to the outer surface of the connecting rod through the connecting sleeve, so that the fixing nut fixes the connecting sleeve, and then limits the connecting rod, thereby reducing the possibility of displacement of the connecting rod during operation, improving stability, and facilitating disassembly and assembly.

[0012] In a preferred embodiment, a plug-in block is disposed on one side surface of the semicircular mounting cover 1, and a plug-in groove corresponding to the plug-in block is opened on the other side surface of the semicircular mounting cover 1.

[0013] By adopting the above technical solution, the stability of the connection between the semicircular mounting cover 1 and the semicircular mounting cover 2 is improved through the plug-in connection between the plug-in block and the plug-in slot.

[0014] In a preferred embodiment, a protective pad is provided on the inner side of the semicircular mounting cover.

[0015] By adopting the above technical solution, the connecting rod is protected and the strength of the semicircular mounting cover 1 and the semicircular mounting cover 2 is improved.

[0016] In a preferred embodiment, the outer surface of the worm body is sprayed with a protective coating.

[0017] By adopting the above technical solution, the worm body is protected, its wear resistance is improved, and its service life is extended.

[0018] In a preferred embodiment, a lubricating oil layer is sprayed on the outer surface of the worm body above the protective coating.

[0019] By adopting the above technical solution, the friction and wear between the worm body and the worm wheel are reduced, and the service life of the worm body is extended.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0021] Through the above design, the damaged part of the worm body during use can be disassembled and replaced, reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the worm gear device in this application;

[0023] Figure 2 It is a schematic diagram of the internal structure of the worm gear device in this application;

[0024] Figure 3 It is a schematic diagram of the internal structure of the cover device installed in this application;

[0025] Figure 4 It is a schematic diagram of the planar structure of the worm coating in this application.

[0026] Markings in the figure: 1. Worm body; 2. Worm wheel; 3. Connecting rod; 4. Semicircular mounting cover 1; 5. Fixing nut; 6. Semicircular mounting cover 2; 7. Fixing bolt; 8. Mounting plate; 9. Fixing screw hole; 10. Threaded through hole; 11. Threaded column; 12. Externally threaded fixing plate; 13. Protective pad; 14. Plug-in block; 15. Plug-in slot; 16. Protective coating; 17. Lubricating oil layer. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] Reference Figure 1-3 A new type of car seat worm includes a worm body 1, an outer surface of one side of the worm body 1 is rotatably connected to a worm wheel 2, threaded through holes 10 are opened inside both ends of the worm body 1, the internal threads of the threaded through holes 10 are connected to threaded columns 11, and a connecting rod 3 is welded to the upper end of the threaded column 11. Through the above design, the damaged part of the worm body 1 during use can be disassembled and replaced, reducing the maintenance cost.

[0029] Reference Figure 1-3 A mounting plate 8 is welded to the outer surface of the lower end of the connecting rod 3, and a plurality of fixing bolts 7 are threadedly connected to the surface of the mounting plate 8. A fixing screw hole 9 corresponding to the mounting plate 8 is opened on the surface of the worm body 1, which fixes the connection between the connecting rod 3 and the worm body 1 and facilitates disassembly and assembly, thereby improving stability and convenience.

[0030] Reference Figure 1-3A semicircular mounting cover 4 is sleeved on the outer surface of the upper end of the connecting rod 3, and a semicircular mounting cover 2 6 corresponding to the semicircular mounting cover 4 is sleeved on the outer surface of the upper end of the connecting rod 3. The semicircular mounting cover 4 and the semicircular mounting cover 2 6 have the same structure and are symmetrical with the center. An external thread fixing plate 12 is welded on the upper end of the semicircular mounting cover 4, and a fixing nut 5 is threadedly connected to the outer surface of the connecting rod 3 through the semicircular mounting cover 4 and the semicircular mounting cover 2 6. The fixing nut 5 fixes the connecting sleeve, thereby limiting the connecting rod 3, reducing the possibility of displacement of the connecting rod 3 during operation, improving stability, and facilitating disassembly and assembly.

[0031] Reference Figure 2-3 A plug-in block 14 is provided on one side surface of the semicircular mounting cover 1 4, and a plug-in groove 15 corresponding to the plug-in block 14 is opened on the other side surface of the semicircular mounting cover 1 4. By plugging the plug-in block 14 into the plug-in groove 15, the stability of the connection between the semicircular mounting cover 1 4 and the semicircular mounting cover 2 6 is improved.

[0032] Reference Figure 2-3 A protective pad 13 is provided on the inner side of the semicircular mounting cover 1 4 to protect the connecting rod 3 and at the same time improve the strength of the semicircular mounting cover 1 4 and the semicircular mounting cover 2 6 .

[0033] Reference Figure 4 The outer surface of the worm body 1 is sprayed with a protective coating 16 to protect the worm body 1, improve its wear resistance, and extend its service life.

[0034] Reference Figure 4 The outer surface of the worm body 1 is sprayed with a lubricating oil layer 17 above the protective coating 16 to reduce the friction and wear between the worm body 1 and the worm wheel 2 and extend the service life of the worm body 1.

[0035] The implementation principle of a novel automobile seat worm embodiment of the present application is as follows:

[0036] When the damaged part needs to be replaced, the fixing bolt 7 is rotated out of the interior of the mounting plate 8. Further, the connecting rod 3 is rotated to drive the threaded column 11 to be removed from the threaded through hole 10, completing the separation between the worm body 1 and the connecting rod 3, and then a new part is replaced and installed through the above steps.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A novel automobile seat worm, comprising a worm body (1), characterized in that: A worm wheel (2) is rotatably connected to the outer surface of one side of the worm body (1), threaded through holes (10) are provided inside the two ends of the worm body (1), the threaded through holes (10) are internally threadedly connected to threaded columns (11), a connecting rod (3) is welded to the upper end of the threaded column (11), a mounting plate (8) is welded to the outer surface of the lower end of the connecting rod (3), a plurality of fixing bolts (7) are threadedly connected to the surface of the mounting plate (8), and fixing screw holes (9) corresponding to the mounting plate (8) are provided on the surface of the worm body (1).

2. A novel automobile seat worm as claimed in claim 1, characterized in that: The outer surface of the upper end of the connecting rod (3) is sleeved with a semicircular mounting cover 1 (4), and the outer surface of the upper end of the connecting rod (3) is sleeved with a semicircular mounting cover 2 (6) corresponding to the semicircular mounting cover 1 (4). The semicircular mounting cover 1 (4) and the semicircular mounting cover 2 (6) have the same structure and are centrally symmetrical. The upper end of the semicircular mounting cover 1 (4) is welded with an externally threaded fixing plate (12), and the outer surface of the externally threaded fixing plate (12) is threadedly connected with a fixing nut (5).

3. A novel automobile seat worm as claimed in claim 2, characterized in that: A plug-in block (14) is provided on one side surface of the semicircular mounting cover (4), and a plug-in slot (15) corresponding to the plug-in block (14) is provided on the other side surface of the semicircular mounting cover (4).

4. A novel automobile seat worm as claimed in claim 3, characterized in that: A protective pad (13) is provided on the inner side surface of the semicircular mounting cover (4).

5. A novel automobile seat worm as claimed in claim 1, characterized in that: The outer surface of the worm body (1) is sprayed with a protective coating (16).

6. A novel automobile seat worm as claimed in claim 5, characterized in that: The outer surface of the worm body (1) is sprayed with a lubricating oil layer (17) above the protective coating (16).

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