Multi-angle adjustable powder metallurgy automobile seat angle adjuster

By introducing threaded rods and extruded ring structures into the powder metallurgy car seat angle adjuster to stabilize the radial springs, and using arcuate grooves and block structures to stabilize the linear springs, the problem of spring fallout is solved and the stability of seat adjustment is improved.

CN223173989UActive Publication Date: 2025-08-01YANGZHOU GUOGUANG NEW MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421832414.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-08-01
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The radial springs and linear springs of existing car seat angle adjusters are prone to fall off during use and have poor stability.

Method used

By designing a powder metallurgy automobile seat angle adjuster with multi-angle adjustment, the radial spring is stabilized by using threaded rods and extruded ring structures, and the linear spring is stabilized by using arcuate grooves and block structures to enhance the spring fixation.

Benefits of technology

It effectively avoids the fall of radial and linear springs, improves the stability of the spring, and ensures the reliability of seat adjustment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223173989U_ABST
    Figure CN223173989U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile seat angle adjusters, in particular to a multi-angle adjustable powder metallurgy automobile seat angle adjuster which comprises a seat connecting mechanism, and one side of the seat connecting mechanism is rotatably connected with one side of the bottom end of a seat back connecting mechanism. The side, away from the chair seat connecting mechanism, of the chair back connecting mechanism is fixedly connected with one end of a stabilizing mechanism, the inner wall of the stabilizing mechanism is fixedly connected with the bottom end of a clamping mechanism, and after one end of a radial spring is arranged on the outer wall of a fixing block in a sleeving mode, a threaded rod is rotated so that the threaded rod can move by attaching to the inner wall of a threaded groove; when a threaded rod moves, the inner wall of an extrusion ring extrudes the top end of a moving block, the moving block is extruded to move downwards, then a first connecting block, a second connecting block and a clamping piece move downwards, then the clamping piece is driven to extrude and stabilize the outer wall of a radial spring, and the stability of the radial spring is improved; and the phenomenon that the radial spring falls off is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automotive seat angle adjusters, and specifically relates to a powder metallurgy automotive seat angle adjuster with multi-angle adjustment. Background Technique

[0002] A powder metallurgy automotive seat angle adjuster is an automotive seat angle adjuster made by powder metallurgy technology. An angle adjuster is a device installed on an automotive seat to realize the adjustment of the seat back angle. This device generally consists of a backrest connection plate, a seat connection plate, a core component, a handwheel or an adjustment handle, a return spring and other parts.

[0003] Currently, in automotive seat adjusters, a compound after the adjustment of the seat back angle and the reset of the adjustment handle are respectively provided by a radial spring and a linear spring. First, since one end of the radial spring is simply hung above the protruding bump of the backrest connection plate, the stability is not good, so that it is easy to occur that one end of the radial spring falls off from above the bump during use. Second, since both ends of the linear spring are respectively hung inside the bump grooves provided above the adjustment handle and the seat connection plate, the linear spring is likely to fall off when pulling the adjustment handle. Content of the Utility Model

[0004] The purpose of the utility model is to provide a powder metallurgy automotive seat angle adjuster with multi-angle adjustment, so as to solve the problems raised in the above background technique that one end of the radial spring is simply hung above the protruding bump of the backrest connection plate, the stability is not good, so that it is easy to occur that one end of the radial spring falls off from above the bump during use, and the linear spring is likely to fall off when pulling the adjustment handle. To achieve the above purpose, the utility model provides the following technical solution: A powder metallurgy automotive seat angle adjuster with multi-angle adjustment, including a seat connection mechanism, one side of the seat connection mechanism is rotationally connected to the bottom side of the backrest connection mechanism, the side of the backrest connection mechanism away from the seat connection mechanism is fixedly connected to one end of a stability mechanism, the inner wall of the stability mechanism is fixedly connected to the bottom end of a clamping mechanism, the stability mechanism includes a fixed block, a threaded groove, a pressing ring, a threaded rod and a fixed groove, and the clamping mechanism includes a pressing spring, a moving block, a first connection block, a second connection block and a clamping piece.

[0005] One side of the seat connection mechanism is fixedly connected to one end of a connection mechanism, and the outer wall of the connection mechanism is fixedly connected to the inner wall of a limit mechanism.

[0006] Preferably, the seat connection mechanism includes a seat connection plate body, a first limiting rod, an adjusting handle body, an engaging tooth block, a second limiting rod, and a stabilizing plate. A first limiting groove is formed inside the seat connection plate body, and the outer wall of the first limiting rod is movably connected to the inner wall of the first limiting groove. One end of the first limiting rod is fixedly connected to one side of the adjusting handle body. A second limiting groove is formed inside the adjusting handle body, and one side of the seat connection plate body is rotatably connected to one side of the bottom end of the engaging tooth block. One side of the top end of the engaging tooth block is fixedly connected to one end of the second limiting rod, and the outer wall of the second limiting rod is movably connected to the inner wall of the second limiting groove. One side of the seat connection plate body is fixedly connected to one side of the stabilizing plate. The backrest connection mechanism includes a backrest connection plate body, a radial spring, and an arc-shaped tooth block. One side of the backrest connection plate body is rotatably connected to one side of the seat connection plate body. One end of the backrest connection plate body away from the seat connection plate body is fixedly connected to one end of the first limiting rod, and the outer wall of the bottom end of the backrest connection plate body is fixedly connected to the inner wall of the arc-shaped tooth block. The outer wall of the arc-shaped tooth block is movably engaged with one side of the engaging tooth block.

[0007] Preferably, one end of the fixing block is fixedly connected to one side of the backrest connection plate body, and a threaded groove is formed inside the fixing block. One end of the fixing block away from the backrest connection plate body is fixedly connected to one end of the pressing ring, and the outer wall of the threaded rod is threadedly connected to the inner wall of the threaded groove. A fixing groove is formed on the outer wall of the threaded rod.

[0008] Preferably, the bottom end of the pressing spring is fixedly connected to the top end of the fixing groove, and the top end of the pressing spring is fixedly connected to the bottom end of the moving block. One side of the top of the moving block is fixedly connected to one side of the first connecting block, and one side of the first connecting block away from the moving block is fixedly connected to one side of the second connecting block. The top end of the second connecting block is fixedly connected to one side of the bottom end of the clamping piece, and the bottom end of the clamping piece is movably abutted against the outer wall of one end of the radial spring.

[0009] Preferably, the connection mechanism is composed of an adjusting handle connection block, a seat connection plate connection block, and a linear spring. One end of the adjusting handle connection block is fixedly connected to one side of the adjusting handle body away from the seat connection plate body. One end of the seat connection plate body close to the adjusting handle body is fixedly connected to one end of the seat connection plate connection block, and one end of the linear spring is movably connected to the outer wall of the adjusting handle connection block. The other end of the linear spring is movably connected to the outer wall of the seat connection plate connection block.

[0010] Preferably, the limiting mechanism includes a stabilizing block, an arc-shaped groove, a spring groove, a connecting spring, and a blocking block. The inner walls of the stabilizing block are fixedly connected to the outer walls of the adjusting handle connecting block and the seat connecting plate connecting block. An arc-shaped groove is formed on the outer wall of the stabilizing block, and a spring groove is formed on the inner wall of the arc-shaped groove. One end of the connecting spring is fixedly connected to the inner wall of the spring groove, and the other end of the connecting spring is fixedly connected to one end of the blocking block. The end of the blocking block away from the connecting spring is arc-shaped.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, after one end of the radial spring is sleeved on the outer wall of the fixed block, the threaded rod is rotated so that the threaded rod moves along the inner wall of the threaded groove. While the threaded rod is moving, the inner wall of the pressing ring presses the top of the moving block, and the moving block moves downward under the extrusion. Then, through the first connecting block, the second connecting block, and the clamping piece, it moves downward, thereby driving the clamping piece to press and stabilize the outer wall of the radial spring, increasing the stability of the radial spring and avoiding the phenomenon of the radial spring falling off.

[0013] In the present utility model, when the linear spring is connected above the adjusting handle connecting block and the seat connecting plate connecting block, the two ends of the seat connecting plate connecting block respectively enter the interior of the arc-shaped groove. At the same time, the two ends of the linear spring respectively press the arc-shaped surfaces of the blocking block. While the blocking block is being pressed, it presses the connecting spring. When the two ends of the linear spring respectively enter the interior of the arc-shaped groove, the connecting spring drives the blocking block to block the outer walls of the two ends of the linear spring through reset, thereby stabilizing the linear spring, increasing the stability of the linear spring, and avoiding the phenomenon of the linear spring falling off through the stabilization of the arc-shaped groove on the linear spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the present utility model;

[0015] Figure 2 is an exploded view of the present utility model;

[0016] Figure 3 is an exploded view of the backrest connection mechanism in the present utility model;

[0017] Figure 4 is a sectional exploded view of the stabilizing mechanism in the present utility model;

[0018] Figure 5 is an exploded view of the clamping mechanism in the present utility model;

[0019] Figure 6 is an exploded view of the connection mechanism in the present utility model;

[0020] Figure 7Explosion diagram of the limiting mechanism in the present utility model;

[0021] Figure 8 Enlarged view of the engaging tooth block in the present utility model.

[0022] In the figure: 1. Seat connection mechanism; 101. Seat connection plate body; 102. First limiting rod; 103. Adjusting handle body; 104. Engaging tooth block; 105. Second limiting rod; 106. Stabilizing plate; 2. Backrest connection mechanism; 201. Backrest connection plate body; 202. Radial spring; 203. Arc-shaped tooth block; 3. Stabilizing mechanism; 301. Fixed block; 302. Thread groove; 303. Extrusion ring; 304. Threaded rod; 305. Fixed groove; 4. Clamping mechanism; 401. Extrusion spring; 402. Moving block; 403. First connection block; 404. Second connection block; 405. Clamping piece; 5. Connection mechanism; 501. Adjusting handle connection block; 502. Seat connection plate connection block; 503. Linear spring; 6. Limiting mechanism; 601. Stabilizing block; 602. Arc-shaped groove; 603. Spring groove; 604. Connection spring; 605. Blocking block. Specific implementation manner

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 8 , the present utility model provides a technical solution: a powder metallurgy vehicle seat adjuster with multi-angle adjustment, including a seat connection mechanism 1, one side of the seat connection mechanism 1 is rotatably connected to one side of the bottom end of the backrest connection mechanism 2, one side of the backrest connection mechanism 2 away from the seat connection mechanism 1 is fixedly connected to one end of the stabilizing mechanism 3, the inner wall of the stabilizing mechanism 3 is fixedly connected to the bottom end of the clamping mechanism 4, the stabilizing mechanism 3 includes a fixed block 301, a thread groove 302, an extrusion ring 303, a threaded rod 304 and a fixed groove 305, and the clamping mechanism 4 includes an extrusion spring 401, a moving block 402, a first connection block 403, a second connection block 404 and a clamping piece 405.

[0025] One side of the seat connection mechanism 1 is fixedly connected to one end of the connection mechanism 5, and the outer wall of the connection mechanism 5 is fixedly connected to the inner wall of the limiting mechanism 6.

[0026] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4, Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in Figure 5 , Figure 6 , Figure 7 and Figure 8 , the seat connection mechanism 1 includes a seat connection plate body 101, a first limiting rod 102, an adjusting handle body 103, an engaging tooth block 104, a second limiting rod 105 and a stabilizing plate 106. A first limiting groove is formed inside the seat connection plate body 101, and the inner wall of the first limiting groove is movably connected to the outer wall of the first limiting rod 102. One end of the first limiting rod 102 is fixedly connected to one side of the adjusting handle body 103. A second limiting groove is formed inside the adjusting handle body 103. One side of the seat connection plate body 101 is rotatably connected to one side of the bottom end of the engaging tooth block 104. One side of the top end of the engaging tooth block 104 is fixedly connected to one end of the second limiting rod 105, and the outer wall of the second limiting rod 105 is movably connected to the inner wall of the second limiting groove. One side of the seat connection plate body 101 is fixedly connected to one side of the stabilizing plate 106. The backrest connection mechanism 2 includes a backrest connection plate body 201, a radial spring 202 and an arc-shaped tooth block 203. One side of the backrest connection plate body 201 is rotatably connected to one side of the seat connection plate body 101. One end of the backrest connection plate body 201 away from the seat connection plate body 101 is fixedly connected to one end of the first limiting rod 102. The outer wall of the bottom end of the backrest connection plate body 201 is fixedly connected to the inner wall of the arc-shaped tooth block 203. The outer wall of the arc-shaped tooth block 203 is movably engaged with one side of the engaging tooth block 104. Rotating the adjusting handle body 103 drives the engaging tooth block 104 to rotate through the second limiting groove and the second limiting rod 105. Then, the side of the engaging tooth block 104 away from the arc-shaped tooth block 203 is used to adjust the backrest connection plate body 201 at multiple angles from 0 to 180 degrees.

[0027] In this embodiment, as Figure 1 , <00^00077>, Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , one end of the fixing block 301 is fixedly connected to one side of the backrest connection plate body 201. A threaded groove 302 is formed inside the fixing block 301. One end of the fixing block 301 away from the backrest connection plate body 201 is fixedly connected to one end of the pressing ring 303. The inner wall of the threaded groove 302 is threadedly connected to the outer wall of the threaded rod 304. A fixing groove 305 is formed on the outer wall of the threaded rod 304. After one end of the radial spring 202 is sleeved on the outer wall of the fixing block 301, rotate the threaded rod 304 so that the threaded rod 304 moves along the inner wall of the threaded groove 302. While the threaded rod 304 is moving, the inner wall of the pressing ring 303 presses the top end of the moving block 402.

[0028] In this embodiment, asFigure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in ,

[0029] , Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , the bottom end of the extrusion spring 401 is fixedly connected to the top end of the fixed groove 305, and the top end of the extrusion spring 401 is fixedly connected to the bottom end of the moving block 402. One side of the top of the moving block 402 is fixedly connected to one side of the first connecting block 403, and one side of the first connecting block 403 away from the moving block 402 is fixedly connected to one side of the second connecting block 404. The top end of the second connecting block 404 is fixedly connected to one side bottom end of the clamping piece 405, and the bottom end of the clamping piece 405 is movably abutted against the outer wall of one end of the radial spring 202. The moving block 402 is extruded and moves downward, and then moves downward through the first connecting block 403, the second connecting block 404 and the clamping piece 405, thereby driving the clamping piece 405 to stably extrude the outer wall of the radial spring 202.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in ,

[0030] , Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , the connecting mechanism 5 is composed of an adjusting handle connecting block 501, a seat connecting plate connecting block 502 and a linear spring 503. One end of the adjusting handle connecting block 501 is fixedly connected to one side of the adjusting handle body 103 away from the seat connecting plate body 101. One side of the seat connecting plate body 101 close to the adjusting handle body 103 is fixedly connected to one end of the seat connecting plate connecting block 502. One end of the linear spring 503 is movably connected to the outer wall of the adjusting handle connecting block 501, and the other end of the linear spring 503 is movably connected to the outer wall of the seat connecting plate connecting block 502. The linear spring 503 is connected by the adjusting handle connecting block 501 and the seat connecting plate connecting block 502.

[0030] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown in the figure, the limiting mechanism 6 includes a stabilizing block 601, an arc-shaped groove 602, a spring groove 603, a connecting spring 604, and a blocking block 605. The inner walls of the stabilizing block 601 are fixedly connected to the outer walls of the adjusting handle connecting block 501 and the seat connecting plate connecting block 502 respectively. An arc-shaped groove 602 is provided on the outer wall of the stabilizing block 601, and a spring groove 603 is provided on the inner wall of the arc-shaped groove 602. The inner wall of the spring groove 603 is fixedly connected to one end of the connecting spring 604, and the other end of the connecting spring 604 is fixedly connected to one end of the blocking block 605. The end of the blocking block 605 away from the connecting spring 604 is arc-shaped. Both ends of the linear spring 503 squeeze the arc-shaped surface of the blocking block 605 respectively. While the blocking block 605 is being squeezed, it squeezes the connecting spring 604. When both ends of the linear spring 503 enter the inside of the arc-shaped groove 602 respectively, the reset of the connecting spring 604 drives the blocking block 605 to block the outer walls of both ends of the linear spring 503, thereby stabilizing the linear spring 503.

[0031] The usage method and advantages of the present utility model: When the powder metallurgy vehicle seat adjuster with multi-angle adjustment is working, the working process is as follows:

[0032] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown in

[0033] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgy vehicle seat adjuster with multi-angle adjustment, including a seat connection mechanism (1), characterized in that: One side of the seat connection mechanism (1) is rotatably connected to one side of the bottom end of the backrest connection mechanism (2). One side of the backrest connection mechanism (2) away from the seat connection mechanism (1) is fixedly connected to one end of the stability mechanism (3). The inner wall of the stability mechanism (3) is fixedly connected to the bottom end of the clamping mechanism (4). The stability mechanism (3) includes a fixed block (301), a threaded groove (302), an extrusion ring (303), a threaded rod (304), and a fixed groove (305). The clamping mechanism (4) includes an extrusion spring (401), a moving block (402), a first connection block (403), a second connection block (404), and a clamping piece (405). One side of the seat connection mechanism (1) is fixedly connected to one end of the connection mechanism (5). The outer wall of the connection mechanism (5) is fixedly connected to the inner wall of the limiting mechanism (6).

2. The multi-angle adjustable powder metallurgy vehicle seat recliner according to claim 1, wherein: The seat connection mechanism (1) includes a seat connection plate body (101), a first limiting rod (102), an adjustment handle body (103), an engaging tooth block (104), a second limiting rod (105), and a stabilizing plate (106). A first limiting groove is formed inside the seat connection plate body (101), and the outer wall of the first limiting rod (102) is movably connected to the inner wall of the first limiting groove. One end of the first limiting rod (102) is fixedly connected to one side of the adjustment handle body (103). A second limiting groove is formed inside the adjustment handle body (103). One side of the seat connection plate body (101) is rotatably connected to one side of the bottom end of the engaging tooth block (104). One side of the top end of the engaging tooth block (104) is fixedly connected to one end of the second limiting rod (105), and the outer wall of the second limiting rod (105) is movably connected to the inner wall of the second limiting groove. One side of the seat connection plate body (101) is fixedly connected to one side of the stabilizing plate (106). The backrest connection mechanism (2) includes a backrest connection plate body (201), a radial spring (202), and an arc-shaped tooth block (203). One side of the backrest connection plate body (201) is rotatably connected to one side of the seat connection plate body (101). One side of the backrest connection plate body (201) away from the seat connection plate body (101) is fixedly connected to one end of the first limiting rod (102). The outer wall of the bottom end of the backrest connection plate body (201) is fixedly connected to the inner wall of the arc-shaped tooth block (203). The outer wall of the arc-shaped tooth block (203) is movably engaged with one side of the engaging tooth block (104).

3. The multi-angle adjustable powder metallurgy vehicle seat recliner according to claim 2, characterized in that: One end of the fixed block (301) is fixedly connected to one side of the backrest connection plate body (201), and a threaded groove (302) is formed inside the fixed block (301). One end of the fixed block (301) away from the backrest connection plate body (201) is fixedly connected to one end of the extrusion ring (303). The outer wall of the threaded rod (304) is threadedly connected to the inner wall of the threaded groove (302). A fixed groove (305) is formed on the outer wall of the threaded rod (304).

4. The multi-angle adjustable powder metallurgy vehicle seat recliner according to claim 3, characterized in that: The bottom end of the extrusion spring (401) is fixedly connected to the top end of the fixed groove (305), and the top end of the extrusion spring (401) is fixedly connected to the bottom end of the moving block (402). One side of the top of the moving block (402) is fixedly connected to one side of the first connecting block (403), and one side of the first connecting block (403) away from the moving block (402) is fixedly connected to one side of the second connecting block (404). The top end of the second connecting block (404) is fixedly connected to one side of the bottom end of the clamping piece (405), and the bottom end of the clamping piece (405) is movably abutted against the outer wall of one end of the radial spring (202).

5. The multi-angle adjustable powder metallurgy vehicle seat recliner according to claim 4, wherein: The connecting mechanism (5) is composed of an adjusting handle connecting block (501), a seat connecting plate connecting block (502) and a linear spring (503). One end of the adjusting handle connecting block (501) is fixedly connected to the side of the adjusting handle body (103) away from the seat connecting plate body (101). One side of the seat connecting plate body (101) close to the adjusting handle body (103) is fixedly connected to one end of the seat connecting plate connecting block (502), and one end of the linear spring (503) is movably connected to the outer wall of the adjusting handle connecting block (501). The other end of the linear spring (503) is movably connected to the outer wall of the seat connecting plate connecting block (502).

6. The angle adjuster for a powder metallurgy automotive seat with multi-angle adjustment according to claim 5, characterized in that: The limiting mechanism (6) includes a stabilizing block (601), an arc-shaped groove (602), a spring groove (603), a connecting spring (604) and a blocking block (605). The inner wall of the stabilizing block (601) is fixedly connected to the outer walls of the adjusting handle connecting block (501) and the seat connecting plate connecting block (502). An arc-shaped groove (602) is formed in the outer wall of the stabilizing block (601), and a spring groove (603) is formed in the inner wall of the arc-shaped groove (602). The inner wall of the spring groove (603) is fixedly connected to one end of the connecting spring (604), and the other end of the connecting spring (604) is fixedly connected to one end of the blocking block (605). The end of the blocking block (605) away from the connecting spring (604) is arc-shaped.