High-strength automobile seat angle adjuster

By introducing an incomplete gear and rack structure into the car seat adjuster, combined with a guide mechanism and an installation mechanism, the problems of inconvenient disassembly and assembly and jamming of existing adjusters are solved, achieving convenient installation and smooth adjustment.

CN223778222UActive Publication Date: 2026-01-09YANGZHOU HONGTAI SPECIAL SEAT CO LTD
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Patent Information

Application Number
CN202520502162.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-09
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Most existing car seat adjusters are installed using multiple bolts, which are inconvenient to install and remove and are prone to jamming after prolonged use.

Method used

It adopts an incomplete gear and rack structure, combined with a guide mechanism and a mounting mechanism. The seat angle is adjusted by driving the adjustment arm through an electric push rod, and the design of guide blocks and sponge blocks ensures lubrication and avoids jamming.

Benefits of technology

It enables a convenient installation and removal process, reduces jamming, and ensures smooth use of the seat adjuster.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223778222U_ABST
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Abstract

The utility model belongs to the field of angle adjusters, and particularly relates to a high-strength automobile seat angle adjuster which comprises a shell, the back of the shell is in contact with a seat framework, a mounting mechanism is arranged between the seat framework and the shell, a controller is arranged on the shell, a fixing shaft is fixedly connected to the middle of the inner side of the shell, and a fixing shaft is arranged on the fixing shaft. An incomplete gear is installed on the outer side of a shaft body of the fixing shaft through a bearing, and an adjusting arm is connected to the incomplete gear. Due to the fact that the guide mechanism is arranged below the incomplete gear and the rack which are used for adjusting the rotation of the adjusting arm, the guide mechanism can guide and support the telescopic movement of the rack, meanwhile, the sliding pin in the guide block can retract inwards under the counter-acting force of the protruding block in the moving process, the sponge block is extruded through the sliding piece, and the sponge block is prevented from falling off. And therefore, the lubricating oil is released to lubricate the connecting part of the guide rod and the guide block, so that the use smoothness is ensured, and the possibility of blockage is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of angle adjuster, specifically to high strength car seat angle adjuster. BACKGROUND

[0002] The angle adjuster is a device installed on the car seat to adjust the angle of the seat back. According to the search, in the utility model patent with the authorization announcement number CN216833327U, a high-strength car seat angle adjuster is disclosed, which comprises an adjusting box, a connecting shaft connected to the inner wall of the adjusting box through a bearing, a gear and a vortex spring installed on the side wall of the connecting shaft, one end of the vortex spring connected to the gear, a connecting plate installed on the side wall of the gear, a fixed cylinder and a spring installed in the adjusting box, and the spring located outside the fixed cylinder.

[0003] However, the existing angle adjuster is mostly installed on the seat frame by using multiple bolts, which is not convenient to disassemble and assemble, and may cause jamming after long-term use. Therefore, it needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a high-strength car seat angle adjuster, which solves the problem of the existing angle adjuster that is mostly installed on the seat frame by using multiple bolts, which is not convenient to disassemble and assemble, and may cause jamming after long-term use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-strength car seat angle adjuster, comprising a shell, the back of the shell is in contact with a seat frame, an installation mechanism is arranged between the seat frame and the shell, a controller is arranged on the shell, a fixed shaft is fixedly connected to the middle of the inner side of the shell, an incomplete gear is installed on the outer side of the shaft body of the fixed shaft through a bearing, an adjusting arm is connected to the incomplete gear, the adjusting arm penetrates through the shell and is slidingly connected with the shell, a connecting piece is fixedly connected to the end of the adjusting arm, an electric push rod is fixedly installed on the inner wall of the shell, a rack is fixedly connected to the end of the extension shaft of the electric push rod, the rack is engaged with the incomplete gear, the electric push rod is electrically connected with the controller, and a guide mechanism is arranged on the inner side of the shell below the rack.

[0006] Preferably, the guide mechanism comprises a guide groove fixedly connected to the inner bottom of the shell, a guide block slidingly connected to the inner side of the guide groove, the guide block being fixedly connected with the rack, a guide rod fixedly connected to the inner side of the guide groove, the guide rod penetrating through and slidingly connected with the guide block, a sliding sheet and a sponge block slidingly connected to the inner portion of the guide block and in contact with each other, a slide pin fixedly connected to the bottom of the sliding sheet, the slide pin penetrating through and slidingly connected with the guide block, the slide pin being in contact with the inner surface of the guide groove, and an oil outlet hole being formed in the inner portion of the guide block and corresponding to the guide rod. Through the arrangement of the guide mechanism, the lateral movement of the rack is guided.

[0007] Preferably, a spring one is sleeved outside the pin body of the slide pin, one end of the spring one being fixedly connected with the sliding sheet, and the other end of the spring one being fixedly connected to the inner surface of the guide block. Through the arrangement of the spring one, the elastic force can be applied to the slide pin through the sliding sheet.

[0008] A fixing rod is fixedly connected to the inner portion of the guide block, the fixing rod penetrating through and slidingly connected with the sliding sheet. Through the arrangement of the fixing rod, the lifting of the sliding sheet is guided.

[0009] Preferably, a convex block is fixedly connected to the inner bottom of the guide groove, the convex block being corresponding to the slide pin. The convex block can provide a reaction force for the slide pin.

[0010] Preferably, the mounting mechanism comprises a mounting column fixedly connected to the surface of the seat framework, the mounting column penetrating through and slidingly connected with the shell, a sliding sleeve being fixedly connected to the shell, the mounting column being slidingly connected to the inner side of the sliding sleeve, the outer side of the sliding sleeve being threadedly connected with an internal thread sleeve, a locking pin being slidingly connected to the side wall of the sliding sleeve and penetrating through the sliding sleeve, one end of the locking pin being in abutment with the internal thread sleeve, and the other end of the locking pin being inserted into the mounting column. Through the arrangement of the mounting mechanism, the whole is convenient to mount on the seat framework.

[0011] Preferably, a stop ring is fixedly connected to the locking pin, a spring two being sleeved outside the pin body of the locking pin, one end of the spring two being fixedly connected with the stop ring, and the other end of the spring two being fixedly connected with the sliding sleeve. The elastic force of the spring two can be applied to the locking pin through the stop ring.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. This utility model provides a guide mechanism below the incomplete gear and rack that rotates due to the adjustment arm. The guide mechanism can guide and support the extension and retraction of the rack. At the same time, the sliding pin inside the guide block will retract due to the reaction force of the protrusion during the movement, and the sliding plate will squeeze the sponge block to release lubricating oil, which will lubricate the connection between the guide rod and the guide block, thus ensuring smooth operation and preventing jamming.

[0014] 2. This utility model provides an installation mechanism between the seat frame and the shell. When the shell is attached to the surface of the seat frame, it can be positioned by the mounting post on the seat frame. Then, by turning the inner threaded sleeve, the locking pin is forced to retract and is inserted into the mounting post, thus completing the installation of the shell and other components on the seat frame. Similarly, the two parts can be disassembled by turning the inner threaded sleeve in the opposite direction, which is quite convenient. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A schematic diagram of a partial structure;

[0017] Figure 3 For the present utility model Figure 1 A front sectional view;

[0018] Figure 4 For the present utility model Figure 3 Enlarged view of the A-section structure;

[0019] Figure 5 For the present utility model Figure 1 Side sectional view of the installation mechanism;

[0020] Figure 6 For the present utility model Figure 5 Enlarged view of the structure of part B.

[0021] In the diagram: 1. Housing; 101. Seat frame; 2. Fixed shaft; 3. Incomplete gear; 4. Adjusting arm; 5. Connecting piece; 6. Electric push rod; 7. Rack; 8. Guide mechanism; 9. Mounting mechanism; 10. Controller; 81. Guide groove; 82. Guide block; 83. Guide rod; 84. Sliding piece; 85. Sponge block; 86. Sliding pin; 87. Spring 1; 88. Fixed rod; 89. Oil outlet; 810. Protrusion; 91. Mounting post; 92. Sliding sleeve; 93. Internal threaded sleeve; 94. Locking pin; 95. Retaining ring; 96. Spring 2. Detailed Implementation

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] Please refer to Figures 1-3 A high-strength automobile seat angle adjuster, including shell 1, the back of shell 1 is contacted with seat framework 101, controller 10 is arranged on shell 1, the inner side middle part of shell 1 is fixedly connected with fixed shaft 2, the shaft body outside of fixed shaft 2 is installed with incomplete gear 3 through bearing, incomplete gear 3 is connected with adjusting arm 4, adjusting arm 4 penetrates shell 1 and is slidably connected with shell 1, the end of adjusting arm 4 is fixedly connected with connecting piece 5, the inner wall of shell 1 is fixedly installed with electric push rod 6, the telescopic shaft end of electric push rod 6 is fixedly connected with rack 7, rack 7 is engaged with incomplete gear 3, electric push rod 6 is electrically connected with controller 10.

[0024] Please refer to Figures 3-4 The inner side of shell 1 and below rack 7 is provided with guide mechanism 8, the transverse movement of rack 7 has the guiding effect through the setting of guide mechanism 8, guide mechanism 8 includes guide groove 81 fixedly connected to the inner side bottom of shell 1, guide block 82 is slidably connected to the inner side of guide groove 81, guide block 82 is fixedly connected with rack 7, guide rod 83 is fixedly connected to the inner side of guide groove 81, guide rod 83 penetrates guide block 82 and is slidably connected with guide block 82, slide 84 and sponge block 85 are slidably connected to the inside of guide block 82, and slide 84 and sponge block 85 are in contact, the bottom of slide 84 is fixedly connected with slide pin 86, slide pin 86 penetrates guide block 82 and is slidably connected with guide block 82, slide pin 86 is in contact with the inner surface of guide groove 81, oil outlet hole 89 is formed in the inside of guide block 82, and the position of oil outlet hole 89 corresponds to guide rod 83. The pin body outside of slide pin 86 is provided with spring one 87, one end of spring one 87 is fixedly connected with slide 84, the other end of spring one 87 is fixedly connected to the inner surface of guide block 82. Through the setting of spring one 87, the elastic force can be applied to slide pin 86 through slide 84. Fixed rod 88 is fixedly connected to the inside of guide block 82, fixed rod 88 penetrates slide 84 and is slidably connected with slide 84. Through the setting of fixed rod 88, the lifting of slide 84 has the guiding effect. The inner side bottom of guide groove 81 is fixedly connected with protruding block 810, the position of protruding block 810 corresponds to slide pin 86. Protruding block 810 can provide reaction force for slide pin 86.

[0025] Please refer to Figure 1 , Figure 5 , Figure 6The mounting mechanism 9 is arranged between the seat framework 101 and the shell 1, and the mounting mechanism 9 is arranged to facilitate the mounting of the shell 1 on the seat framework 101, the mounting mechanism 9 comprises a mounting column 91 fixedly connected to the surface of the seat framework 101, the mounting column 91 penetrates the shell 1 and is in sliding connection with the shell 1, a sliding sleeve 92 is fixedly connected to the shell 1, the mounting column 91 is in sliding connection with the inner side of the sliding sleeve 92, an internally-threaded sleeve 93 is connected to the outer side of the sliding sleeve 92 in a threaded manner, a locking pin 94 is in sliding connection with the side wall of the sliding sleeve 92 and penetrates the sliding sleeve 92, one end of the locking pin 94 is in abutment with the internally-threaded sleeve 93, and the other end of the locking pin 94 is inserted into the mounting column 91. A retaining ring 95 is fixedly connected to the locking pin 94, a spring 96 is arranged on the outer side of the pin body of the locking pin 94, one end of the spring 96 is fixedly connected to the retaining ring 95, and the other end of the spring 96 is fixedly connected to the sliding sleeve 92. The elastic force of the spring 96 can act on the locking pin 94 through the retaining ring 95.

[0026] The specific implementation process of the utility model is as follows: in use, first, the shell 1 is attached to the surface of the seat framework 101, and the mounting column 91 on the seat framework 101 is positioned, then the internally-threaded sleeve 93 is rotated, the locking pin 94 is forced to retract, and then the locking pin 94 is inserted into the mounting column 91, so that the installation of the shell 1 and other components on the seat framework 101 is completed, and the reverse rotation of the internally-threaded sleeve 93 can complete the disassembly of the two, which is convenient, and the controller 10 can be used to control the extension and retraction of the electric push rod 6, and the electric push rod 6 can drive the rack 7 to move when the electric push rod 6 extends and retracts, the rack 7 drives the adjusting arm 4 to deflect through cooperation with the incomplete gear 3, and the purpose of seat adjustment is achieved, the rack 7 can be guided through the guide block 82, the guide groove 81 and the guide rod 83 during movement, the slide pin 86 in the guide block 82 is retracted under the action of the reaction force of the protruding block 810 during movement, and the slide pin 86 is pressed against the sponge block 85 through the slide piece 84, so that the lubricating oil is released, the connection between the guide rod 83 and the guide block 82 is lubricated, and smooth use is ensured.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high strength automotive seat angle adjuster comprising a housing (1), characterized in that: The back of the shell (1) is in contact with a seat framework (101), the seat framework (101) and the shell (1) are jointly provided with a mounting mechanism (9), the shell (1) is provided with a controller (10), the inner side middle part of the shell (1) is fixedly connected with a fixed shaft (2), the shaft body outer side of the fixed shaft (2) is installed with an incomplete gear (3) through a bearing, the incomplete gear (3) is connected with an adjusting arm (4), the adjusting arm (4) penetrates through the shell (1) and is slidably connected with the shell (1), the tail end of the adjusting arm (4) is fixedly connected with a connecting piece (5), the inner wall of the shell (1) is fixedly installed with an electric push rod (6), the telescopic shaft tail end of the electric push rod (6) is fixedly connected with a rack (7), the rack (7) is engaged with the incomplete gear (3), the electric push rod (6) is electrically connected with the controller (10), the inner side of the shell (1) and below the rack (7) are provided with a guide mechanism (8).

2. A high strength automobile seat angle adjuster according to claim 1, characterized in that: The guide mechanism (8) comprises a guide groove (81) fixedly connected to the inner side bottom of the shell (1), a guide block (82) slidably connected to the inner side of the guide groove (81), the guide block (82) is fixedly connected with the rack (7), a guide rod (83) fixedly connected to the inner side of the guide groove (81), the guide rod (83) penetrates through the guide block (82) and is slidably connected with the guide block (82), a sliding piece (84) and a sponge block (85) are slidably connected in the guide block (82), and the sliding piece (84) and the sponge block (85) are in contact, a sliding pin (86) is fixedly connected to the bottom of the sliding piece (84), the sliding pin (86) penetrates through the guide block (82) and is slidably connected with the guide block (82), the sliding pin (86) is in contact with the inner surface of the guide groove (81), an oil outlet hole (89) is formed in the guide block (82), and the position of the oil outlet hole (89) corresponds to the guide rod (83).

3. A high strength automobile seat angle adjuster according to claim 2, characterized in that: The pin body outer side of the sliding pin (86) is sleeved with a spring (87), one end of the spring (87) is fixedly connected with the sliding piece (84), and the other end of the spring (87) is fixedly connected to the inner surface of the guide block (82).

4. A high strength automobile seat angle adjuster according to claim 2, characterized in that: The inner side of the guide block (82) is fixedly connected with a fixed rod (88), the fixed rod (88) penetrates through the sliding piece (84) and is slidably connected with the sliding piece (84).

5. A high strength automobile seat angle adjuster according to claim 2, characterized in that: The inner side bottom of the guide groove (81) is fixedly connected with a protruding block (810), and the position of the protruding block (810) corresponds to the sliding pin (86).

6. A high strength automobile seat angle adjuster according to claim 1, characterized in that: The mounting mechanism (9) comprises a mounting column (91) fixedly connected to the surface of the seat framework (101), the mounting column (91) penetrates the shell (1) and is in sliding connection with the shell (1), a sliding sleeve (92) is fixedly connected to the shell (1), the mounting column (91) is in sliding connection with the inner side of the sliding sleeve (92), the outer side of the sliding sleeve (92) is in threaded connection with an internally threaded sleeve (93), the side wall of the sliding sleeve (92) is in sliding connection with a locking pin (94), the locking pin (94) penetrates the sliding sleeve (92) and is arranged, one end of the locking pin (94) is in abutment with the internally threaded sleeve (93), the other end of the locking pin (94) is in insertion connection with the mounting column (91).

7. A high strength automobile seat angle adjuster according to claim 6, characterized in that: A retaining ring (95) is fixedly connected to the locking pin (94), a spring (96) is sleeved outside the pin body of the locking pin (94), one end of the spring (96) is fixedly connected with the retaining ring (95), the other end of the spring (96) is fixedly connected with the sliding sleeve (92).

Citation Information

Patent Citations

  • High-strength automobile seat angle adjuster

    CN216833327U