Socket lock type seat angle adjuster

Abstract

The utility model relates to a kind of sleeve joint locking type seat angle adjuster in the technical field of seat angle adjuster, including shell and the angle adjusting mechanism being set in the shell, angle adjusting mechanism includes bottom plate, center axis, handle, first tooth plate, second tooth plate, seat rotating plate and cover plate, further include the sleeve that can prevent seat rotating plate, cover plate axial movement along center axis, sleeve is sleeved on center axis, and sleeve bottom end surface and cover plate top end surface are abutted against.The sleeve joint locking type seat angle adjuster cancels the original angle adjusting mechanism's snap spring and slot locking structure, using more simple sleeve locking structure, improve processing efficiency and assembly efficiency, reduce production cost, while also improve the service life of seat angle adjuster.

Description

Technical Field

[0001] This utility model relates to the field of seat angle adjuster technology, and in particular to a socket locking type seat angle adjuster. Background Technology

[0002] A car seat adjuster is a component used to adjust the seat back angle, thereby providing a more comfortable riding environment for the driver or passenger. In the adjustment mechanism of a car seat adjuster, the seat rotating plate and cover plate can rotate radially around the central axis of the base plate to achieve angle adjustment. To prevent the seat rotating plate and cover plate from moving axially along the central axis, a slot was traditionally made at a corresponding position on the central axis, with a retaining spring inside the slot. The retaining spring blocks the top of the seat rotating plate and cover plate, thus achieving axial locking. However, this structure requires high precision in the machining of the slot, making machining very inconvenient and installation cumbersome. Furthermore, because the rotation of the seat rotating plate and cover plate generates friction with the retaining spring, after prolonged use, the retaining spring is prone to dislodging from the slot, causing the entire adjuster to malfunction. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a socket-locking seat adjuster that is simple in structure, easy to install, has a long service life, and low manufacturing cost.

[0004] This utility model is achieved through the following technical solution:

[0005] A locking seat adjuster includes a housing and an adjusting mechanism disposed within the housing. The adjusting mechanism includes a base plate, a central shaft, a handle, a first toothed plate, a second toothed plate, a seat rotating plate, and a cover plate. The central shaft is fixed to the base plate. The first toothed plate is rotatably connected to the central shaft. The seat rotating plate is sleeved on the central shaft and fixed to the first toothed plate. The handle is rotatably connected to the base plate and connected to the first toothed plate via the second toothed plate. The cover plate is sleeved on the central shaft and connected to the handle. The cover plate is located above the seat rotating plate. The adjusting mechanism also includes a sleeve capable of preventing the seat rotating plate and the cover plate from moving axially along the central shaft. The sleeve is sleeved on the central shaft, and the bottom end face of the sleeve abuts against the top end face of the cover plate.

[0006] Preferably, the sleeve has a cylindrical hollow structure with an open end at the bottom and a closed end at the top.

[0007] To prevent the sleeve from wobbling, an interference fit is used between the inner cavity of the sleeve and the central shaft.

[0008] To ensure the strength of the sleeve while reducing its weight, the sleeve is made of polytetrafluoroethylene.

[0009] The beneficial effects of this utility model are: by eliminating the snap ring and snap groove locking structure of the original adjustment mechanism, the simpler sleeve locking structure is adopted, which improves the processing efficiency and assembly efficiency, reduces the production cost, and also increases the service life of the seat adjuster. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural diagram of the socket-locking seat adjuster of this utility model.

[0011] Figure 2 This is a three-dimensional structural diagram of the angle adjustment mechanism of this utility model;

[0012] Figure 3 This is an exploded view of the angle adjustment mechanism of this utility model. Detailed Implementation

[0013] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.

[0014] like Figure 1-3 The illustrated locking seat adjuster includes a housing 1 and an adjusting mechanism disposed within the housing 1. The adjusting mechanism includes a base plate 3, a central shaft 5, a handle 4, a first toothed plate 8, a second toothed plate 9, a seat rotating plate 2, and a cover plate 7. The central shaft 5 is fixed to the base plate 3 and is perpendicular to the surface of the base plate 3. The first toothed plate 8 is rotatably connected to the central shaft 5. The seat rotating plate 2 is sleeved on the central shaft 5 and fixed to the first toothed plate 8, and the seat rotating plate 2 can rotate simultaneously with the first toothed plate 8. The handle 4 is rotatably connected to the base plate 3, and the handle 4 is connected to the second toothed plate 9. The first toothed plate 8 is connected, and the handle 4 can drive the first toothed plate 8 to rotate through the second toothed plate 9. The cover plate 7 is sleeved on the central shaft 5 and connected to the handle 4. The cover plate 7 is located above the seat rotating plate 2. In addition, the angle adjustment mechanism also includes a sleeve 6 that can prevent the seat rotating plate 2 and the cover plate 7 from moving axially along the central shaft 5. The sleeve 6 is a cylindrical hollow structure made of polytetrafluoroethylene. The bottom end of the sleeve 6 is an open end and the top end is a closed end. The sleeve 6 is sleeved on the central shaft 5, and the bottom end face of the sleeve 6 abuts against the top end face of the cover plate 7. The inner cavity of the sleeve 6 and the central shaft 5 are interference fit.

[0015] During installation, first install the handle 4, the first toothed plate 8, and the second toothed plate 9 onto the base plate 3. Then, install the seat rotating plate 2 and the cover plate 7 in sequence and put on the sleeve 6. Finally, install the housing 1. The housing 1 can press the sleeve 6. Due to the action of the sleeve 6, the seat rotating plate 2 and the cover plate 7 can rotate radially around the central axis 5, but cannot move axially, thus achieving axial locking.

[0016] It should be noted that the parts not covered by this utility model are the same as or can be implemented using existing technology.

[0017] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0018] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A locking seat adjuster, comprising a housing and an adjusting mechanism disposed within the housing, the adjusting mechanism comprising a base plate, a central shaft, a handle, a first toothed plate, a second toothed plate, a seat rotating plate, and a cover plate, wherein the central shaft is fixed to the base plate, the first toothed plate is rotatably connected to the central shaft, the seat rotating plate is sleeved on the central shaft and fixed to the first toothed plate, the handle is rotatably connected to the base plate, the handle is connected to the first toothed plate via the second toothed plate, and the cover plate is sleeved on the central shaft and connected to the handle, the cover plate being located above the seat rotating plate, characterized in that: The angle adjustment mechanism also includes a sleeve that prevents the seat rotating plate and the cover plate from moving axially along the central axis. The sleeve is sleeved on the central axis, and the bottom end face of the sleeve abuts against the top end face of the cover plate.

2. The socket-locking seat adjuster according to claim 1, characterized in that: The sleeve is a cylindrical hollow structure with an open end at the bottom and a closed end at the top.

3. The socket-locking seat adjuster according to claim 2, characterized in that: The inner cavity of the sleeve is fitted with an interference fit to the central shaft.

4. The socket-locking seat adjuster according to any one of claims 1-3, characterized in that: The sleeve is made of polytetrafluoroethylene.

Images