CN213383962U

CN213383962U - Automobile backrest seat cushion sliding bearing convenient to quickly disassemble and assemble

Info

Publication number: CN213383962U
Application number: CN202022286340.9U
Authority: CN
Inventors: 朴仁圭; 王中明
Original assignee: Qingdao Xinanxing Precision Bearing Co Ltd
Current assignee: Qingdao Xinanxing Precision Bearing Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-08
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an automobile backrest seatpad slide bearing convenient to quick assembly disassembly, including cushion body, back body and bearing body, be provided with the pipe on the back body, rotate the pivot that is connected with two mutual symmetries and sets up on the pipe, two the relative one end of pivot is rotated with the lateral wall of cushion body and is connected, be provided with the bearing installation detaching device that two mutual symmetries set up on the pipe, installation detaching device is including seting up the mounting groove on the pipe lateral wall, fixedly connected with toper type piece in the pivot, fixedly connected with cover that rises on the lateral wall of mounting groove, bearing body cover is established on the lateral wall of the cover that rises, the pivot is passed the cover that rises and is set up, just toper type piece matches the setting with the cover that rises each other. The utility model relates to a car back cushion slide bearing technical field can make the installation of bearing and disassemble more convenient of operation, improves the installation of bearing and the efficiency of disassembling.

Description

Automobile backrest seat cushion sliding bearing convenient to quickly disassemble and assemble

Technical Field

The utility model relates to a car back cushion slide bearing technical field specifically is a car back cushion slide bearing convenient to quick assembly disassembly.

Background

The automobile backrest cushion can be divided into a split type seat and a bench seat according to the shape; the functions can be divided into fixed type, detachable type and adjustable type; the number of people can be divided into single, double and multi-person chairs according to the number of the people sitting on the chair. From the earliest fixed seats, to multifunctional power-adjustable seats, there are air cushion seats, power seats, stereo seats, mental recovery seats, to electronic adjustable seats, depending on the performance of the seat.

The automobile backrest cushion mainly comprises a backrest and a cushion, the driving comfort is improved for the angle adjustment of the backrest, the backrest is fixedly connected with a rotating shaft and is connected with the cushion in a rotating mode, sliding bearings are arranged on the two sides of the rotating shaft, but the existing automobile backrest cushion sliding bearings and the installation mode of the rotating shaft are all press-mounting the bearings on the rotating shaft through a press, the installation process is complex, the bearing and the rotating shaft are difficult to disassemble after press-mounting, and the installation and disassembly efficiency is greatly influenced when the bearing needs to be replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car back seatpad slide bearing convenient to quick assembly disassembly to the mounting means of car back seatpad slide bearing on the present market that the solution above-mentioned background art provided and pivot is through the press mounting with the bearing pressure equipment in the pivot, and the installation is loaded down with trivial details, and the bearing leads to the fact it to disassemble the difficulty with the pivot pressure equipment after, very big influence the problem of the efficiency of installation and disassembling when the bearing needs to be changed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a car backrest cushion sliding bearing convenient for quick assembly and disassembly comprises a cushion body, a backrest body and a bearing body, wherein a round pipe is arranged on the backrest body, two rotating shafts which are symmetrically arranged are rotatably connected on the round pipe, one end, opposite to the rotating shafts, of each rotating shaft is rotatably connected with the side wall of the cushion body, two bearing assembly and disassembly devices which are symmetrically arranged are arranged on the round pipe, each assembly and disassembly device comprises a mounting groove arranged on the side wall of the round pipe, a conical block is fixedly connected on the rotating shaft, an expansion sleeve is fixedly connected on the side wall of the mounting groove, the bearing body is sleeved on the side wall of the expansion sleeve, the rotating shafts penetrate through the expansion sleeve, the conical block and the expansion sleeve are mutually matched, a square groove is fixedly arranged on the round pipe, and two racks which are symmetrically arranged are slidably connected on the square groove through a sliding device, two fixedly connected with branch on the lateral wall of rack, two the one end that cushion body lateral wall was kept away from to branch and two pivots is fixed mutually, it is connected with the dwang to rotate on the lateral wall of pipe, the dwang is located the one end fixedly connected with gear of square inslot, just gear and two rack intermeshing set up.

Preferably, slider is including seting up the sliding tray that two mutual symmetries set up on square groove, two sliding connection has the sliding block on the sliding tray, two the top of sliding block is fixed mutually with the lateral wall of two racks.

Preferably, the one end fixedly connected with runner that the pipe was kept away from to the dwang, inlay on the lateral wall of runner and be equipped with the protection sponge.

Preferably, the meshing transmission ratio of the gear to the two racks is 1: 2.

Preferably, the material for making the expansion sleeve is QT 700-2A.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the bearing to be installed is placed on the side wall of the expansion sleeve through the arrangement of the expansion sleeve, the gear, the rack, the conical block and the like, the rotating rod is rotated to drive the gear to rotate, the two rotating shafts move in a mutual leaning direction under the meshing transmission action of the gear and the rack, and the side wall of the expansion sleeve is expanded under the action of the conical block and the expansion sleeve to complete quick fixation of the bearing;

2. through the setting of parts such as gear, rack, set up the drive ratio of gear and rack, through the setting of driving chain, make the bearing more laborsaving at the in-process of installation and disassembling.

Drawings

Fig. 1 is a schematic view of an overall appearance structure of a sliding bearing of a seat cushion of an automobile backrest, which is convenient for quick assembly and disassembly;

fig. 2 is a schematic rear view of a sliding bearing of a seat cushion of an automobile backrest, which is convenient for quick assembly and disassembly;

FIG. 3 is a schematic view of the internal structure of the device for mounting and dismounting a sliding bearing of a seat cushion of an automobile backrest, which is convenient for quick mounting and dismounting of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 1. a cushion body; 2. a backrest body; 3. a rotating shaft; 4. a circular tube; 5. mounting grooves; 6. a tapered block; 7. expanding sleeves; 8. a square groove; 9. a rack; 10. a gear; 11. rotating the rod; 12. a rotating wheel; 13. a strut; 14. a bearing body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, an automobile backrest cushion sliding bearing convenient for quick assembly and disassembly comprises a cushion body 1, a backrest body 2 and a bearing body 14, wherein a round tube 4 is arranged on the backrest body 2, two rotating shafts 3 which are symmetrically arranged with each other are rotatably connected on the round tube 4, one ends of the two rotating shafts 3 which are opposite are rotatably connected with the side wall of the cushion body 1, two bearing assembly and disassembly devices which are symmetrically arranged with each other are arranged on the round tube 4, each assembly and disassembly device comprises an installation groove 5 which is arranged on the side wall of the round tube 4, a conical block 6 is fixedly connected on the rotating shaft 3, an expansion sleeve 7 is fixedly connected on the side wall of the installation groove 5, the expansion sleeve 7 is made of QT700-2A, the bearing is mainly used for improving the elastic force of the expansion sleeve 7 when the expansion sleeve is deformed under stress, so that the bearing body 14 is more firmly fixed, the bearing body, the conical block 6 and the expansion sleeve 7 are matched with each other, a square groove 8 is fixedly arranged on the circular tube 4, the square groove 8 is connected with two racks 9 which are symmetrically arranged with each other in a sliding way through a sliding device, the sliding device comprises two sliding grooves which are symmetrically arranged with each other and are arranged on the square groove 8, sliding blocks are connected on the two sliding grooves in a sliding way, the tops of the two sliding blocks are fixed with the side walls of the two racks 9, mainly in order to realize that the two racks 9 slide more stably in the transmission process and reduce the transmission error, supporting rods 13 are fixedly connected on the side walls of the two racks 9, the two supporting rods 13 are fixed with one ends of the two rotating shafts 3 which are far away from the side wall of the cushion body 1, a rotating rod 11 is rotatably connected on the side wall of the circular tube 4, a rotating wheel 12 is fixedly connected at one end of the rotating rod 11 which is far away from the circular, one end of the rotating rod 11, which is positioned in the square groove 8, is fixedly connected with a gear 10, the gear 10 and the two racks 9 are arranged in an engaged manner, the engaging transmission ratio of the gear 10 and the two racks 9 is 1:2, and the bearing mounting and dismounting process is more labor-saving mainly through the arrangement of a transmission chain.

In the utility model, when the rotating shaft 3 on the automobile backrest cushion is bearing-mounted, firstly, the bearing body 14 is close to the expansion sleeve 7 on the mounting groove 5 and is placed on the side wall of the expansion sleeve 7, after the bearing is placed, the rotating rod 11 is rotated by the rotating wheel 12 to drive the gear 10 to rotate, under the mutual meshing transmission action of the gear 10 and the rack 9, the two rotating shafts 3 are driven to move close to each other by the supporting rod 13, in the moving process of the two rotating shafts 3, the conical block 6 on the rotating shaft 3 is close to the expansion sleeve 7 and is propped against the inner wall of the expansion sleeve, under the action of force, the expansion sleeve 7 is driven to move open, the bearing body 14 is fixed on the rotating shaft 3, then the two rotating shafts 3 on the backrest body 2 are rotationally connected and fixed with the side wall of the cushion body 1, finally, when the bearing body 14 needs to be disassembled from the mounting groove 5, the rotating rod 11 is reversely rotated by the rotating wheel 12, the tapered blocks 6 on the two rotating shafts 3 move away from the expansion sleeve 7, the expansion sleeve 7 is restored to the original state at the moment, the bearing body 14 can be easily taken out from the mounting groove 5 at the moment, the operation is simple, the realization is convenient and fast, and the mounting and dismounting efficiency of the bearing is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automobile backrest cushion sliding bearing convenient for quick disassembly and assembly comprises a cushion body (1), a backrest body (2) and a bearing body (14), and is characterized in that a round pipe (4) is arranged on the backrest body (2), two rotating shafts (3) which are symmetrically arranged with each other are rotatably connected on the round pipe (4), one opposite ends of the two rotating shafts (3) are rotatably connected with the side wall of the cushion body (1), two bearing assembling and disassembling devices which are symmetrically arranged with each other are arranged on the round pipe (4), each assembling and disassembling device comprises a mounting groove (5) arranged on the side wall of the round pipe (4), a conical block (6) is fixedly connected on the rotating shafts (3), an expansion sleeve (7) is fixedly connected on the side wall of the mounting groove (5), the bearing body (14) is sleeved on the side wall of the expansion sleeve (7), and the rotating shafts (3) pass through the expansion sleeve (7), just tapered block (6) and cover (7) that rises match each other and set up, fixed square groove (8) that is provided with on pipe (4), there are rack (9) that two mutual symmetries set up, two through slider sliding connection on square groove (8) fixedly connected with branch (13), two on the lateral wall of rack (9) branch (13) are fixed mutually with the one end that cushion body (1) lateral wall was kept away from in two pivot (3), it is connected with dwang (11) to rotate on the lateral wall of pipe (4), dwang (11) are located one end fixedly connected with gear (10) in square groove (8), just gear (10) set up with two rack (9) intermeshing.

2. The automobile backrest cushion sliding bearing convenient for quick assembly and disassembly as recited in claim 1, wherein the sliding device comprises two sliding grooves which are symmetrically arranged with each other and are arranged on a square groove (8), sliding blocks are slidably connected on the two sliding grooves, and the tops of the two sliding blocks are fixed with the side walls of the two racks (9).

3. The automobile backrest seat cushion sliding bearing convenient to disassemble and assemble quickly as claimed in claim 1, wherein one end of the rotating rod (11) far away from the circular tube (4) is fixedly connected with a rotating wheel (12), and a protective sponge is embedded on the side wall of the rotating wheel (12).

4. A sliding bearing for a seat cushion of an automobile backrest facilitating quick assembly and disassembly according to claim 1, wherein the meshing transmission ratio of the gear (10) and the two racks (9) is 1: 2.

5. The automobile backrest cushion sliding bearing convenient to disassemble and assemble quickly as claimed in claim 1, wherein the material of the expansion sleeve (7) is QT 700-2A.