CN210232113U

CN210232113U - Seat back positioning mechanism

Info

Publication number: CN210232113U
Application number: CN201920365512.6U
Authority: CN
Inventors: Lijun Song; 宋立军; Rongxiang Zhai; 翟荣香; Guofeng Zhai; 翟国锋; Weifeng Zhai; 翟卫峰
Original assignee: Henan Rongcheng Machinery Engineering Co ltd
Current assignee: Henan Rongcheng Machinery Engineering Co ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-04-03
Anticipated expiration: 2029-03-21

Abstract

The utility model belongs to the technical field of seat assembly, in particular to a seat backrest positioning mechanism, which comprises a movable frame, wherein a driving mechanism is arranged on the movable frame, and a clamping mechanism is arranged at the bottom of the movable frame; the utility model discloses the setting of actuating mechanism and adjustable shelf, when the output shaft through the on-off control motor rotates, can drive first pivot in proper order, lead screw and second pivot rotate in step, because the thread bush is threaded connection and thread bush fixed connection on the second locating plate with the lead screw, simultaneously because the sliding connection of first optical axis and first sliding sleeve and the sliding connection of second optical axis and second sliding sleeve, can make the second locating plate, upward motion about fourth locating plate and clamping mechanism carry out, the seat back of clamping mechanism centre gripping can be assembled with the chair cover of strutting this moment.

Description

Seat back positioning mechanism

Technical Field

The utility model belongs to the technical field of the seat equipment, concretely relates to seat back positioning mechanism.

Background

The automobile industry in China is rapidly developed in recent years, and the automobile industry is steadily promoted in the future, so that a great deal of demand is required for seats, and therefore, the passenger vehicle seat industry still has huge development space in the future.

The installation of seat back seat cover is one of the important constitution process in the whole equipment work of seat, often need fix the installation in order to make things convenient for the seat cover to the seat back in the equipment process of back cover, but present back fixed knot constructs generally all comparatively simply, can't effectively combine the installation of automatic completion seat cover with the seat cover that struts to make work efficiency low.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a backrest positioning mechanism has easy operation, and is fixed effectual, can effectively combine with the chair cover that struts simultaneously, can accomplish the characteristics of chair cover installation automatically.

In order to achieve the above object, the utility model provides a following technical scheme: a seat backrest positioning mechanism comprises a movable frame, wherein a driving mechanism is arranged on the movable frame, and a clamping mechanism is arranged at the bottom of the movable frame.

Preferably, the adjustable shelf includes from the top down first locating plate, second locating plate, third locating plate and the fourth locating plate of arranging in proper order, and first locating plate and third locating plate fixed connection are in the chair cover installation frame, and two at least first optical axes of fixedly connected with between first locating plate and third locating plate, equal sliding connection has first sliding sleeve on every first optical axis, first sliding sleeve fixed connection is on the second locating plate, and two at least second optical axes of fixedly connected with between second locating plate and fourth locating plate, equal sliding connection has the second sliding sleeve on every second optical axis, second sliding sleeve fixed connection is on the third locating plate.

Preferably, actuating mechanism is including setting up the motor on first locating plate upper portion, the first pivot of fixedly connected with on the output shaft of motor, the cover is equipped with first bearing in first pivot, first bearing fixed connection is on first locating plate, at the bottom fixedly connected with lead screw of first pivot, and threaded connection has the thread bush on the lead screw, thread bush fixed connection is on the second fixed plate, at the bottom fixedly connected with second pivot of lead screw, overlaps in the second pivot and is equipped with the second bearing, second bearing fixed connection is on the third locating plate.

Preferably, clamping mechanism includes the two-way cylinder of fixed connection in fourth locating plate bottom, the removal end of two-way cylinder both sides all has first fixed plate through joint bearing swing joint, and every first fixed plate all is provided with the second fixed plate in the relative outside of first fixed plate through connecting piece swing joint in the bottom of fourth locating plate, the equal fixed connection of every second fixed plate in the bottom of fourth locating plate.

Preferably, each connecting piece comprises a connecting frame and a pin shaft, the connecting frame is movably connected with the first fixing plate through the pin shaft, and the connecting frame is fixedly connected to the bottom of the fourth positioning plate.

Preferably, an electromagnetic brake is arranged at the bottom of the third positioning plate and connected with the second rotating shaft.

Preferably, a rubber layer is disposed on the inner side of the first fixing plate opposite to the second fixing plate.

Preferably, all the cover is equipped with flexible hose on every second optical axis, flexible hose's one end and second optical axis fixed connection, flexible hose's the other end and third locating plate fixed connection.

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

1. the utility model discloses the setting of actuating mechanism and adjustable shelf, when the output shaft through the on-off control motor rotates, can drive first pivot in proper order, lead screw and second pivot rotate in step, because the thread bush is threaded connection and thread bush fixed connection on the second locating plate with the lead screw, simultaneously because the sliding connection of first optical axis and first sliding sleeve and the sliding connection of second optical axis and second sliding sleeve, can make the second locating plate, upward motion about fourth locating plate and clamping mechanism carry out, the seat back of clamping mechanism centre gripping can be assembled with the chair cover of strutting this moment.

2. The utility model discloses electromagnetic brake's setting makes the motor stop work when closing the control switch of motor, through starting the messenger lead screw stall that electromagnetic brake can be rapid, and then can make more accurate to the location of clamping mechanism height.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural diagram of the right side view of the connection frame of the present invention.

In the figure: 11 a first positioning plate, 12 a second positioning plate, 13 a third positioning plate, 14 a fourth positioning plate, 15 a first optical axis, 16 a first sliding sleeve, 17 a second optical axis, 18 a second sliding sleeve, 21 a motor, 22 a first rotating shaft, 23 a first bearing, 24 a screw rod, 25 a threaded sleeve, 26 a second rotating shaft, 27 a second bearing, 31 a two-way cylinder, 32 a joint bearing, 33 a first fixing plate, 34 a second fixing plate, 41 a connecting frame, 42 a pin shaft, 5 an electromagnetic brake, 6 rubber layers and 7 a flexible hose.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides the following technical solutions: a seat backrest positioning mechanism comprises a movable frame, wherein a driving mechanism is arranged on the movable frame, and a clamping mechanism is arranged at the bottom of the movable frame.

Specifically, the adjustable shelf includes from the top down first locating plate 11 of arranging in proper order, second locating plate 12, third locating plate 13 and fourth locating plate 14, the fixed connection of first locating plate 11 and third locating plate 13 is in the chair cover installation frame, two first optical axes 15 of fixedly connected with between first locating plate 11 and third locating plate 13, equal sliding connection has first sliding sleeve 16 on every first optical axis 15, first sliding sleeve 16 fixed connection is on second locating plate 12, two second optical axes 17 of fixedly connected with between second locating plate 12 and fourth locating plate 14, equal sliding connection has second sliding sleeve 18 on every second optical axis 17, second sliding sleeve 18 fixed connection is on third locating plate 13.

Specifically, actuating mechanism is including setting up the motor 21 on first locating plate 11 upper portion, the first pivot 22 of fixedly connected with on motor 21's the output shaft, the cover is equipped with first bearing 23 on first pivot 22, first bearing 23 fixed connection is on first locating plate 11, bottom fixedly connected with lead screw 24 at first pivot 22, threaded connection has thread bush 25 on lead screw 24, thread bush 25 fixed connection is on second fixed plate 34, bottom fixedly connected with second pivot 26 at lead screw 24, the cover is equipped with second bearing 27 on second pivot 26, second bearing 27 fixed connection is on third locating plate 13.

The setting of actuating mechanism and adjustable shelf, when the output shaft through on-off control motor 21 rotates, can drive first pivot 22 in proper order, lead screw 24 and second pivot 26 rotate in step, because thread bush 25 is threaded connection and thread bush 25 fixed connection on second locating plate 12 with lead screw 24, simultaneously because the sliding connection of first optical axis 15 and first sliding bush 16 and the sliding connection of second optical axis 17 and second sliding bush 18, can make second locating plate 12, fourth locating plate 14 and clamping mechanism carry out the motion of upper and lower side, the seat back of clamping mechanism centre gripping can be assembled with the chair cover of strutting this moment, the setting of two first optical axes 15 and two second optical axes 17, can guarantee that clamping mechanism is better at the stability of in-process that reciprocates.

Specifically, clamping mechanism includes two-way cylinder 31 of fixed connection in fourth locating plate 14 bottom, and the removal end of two-way cylinder 31 both sides all has first fixed plate 33 through joint bearing 32 swing joint, and every first fixed plate 33 all is provided with second fixed plate 34 in the relative outside of first fixed plate 33 in the bottom of fourth locating plate 14 through connecting piece swing joint, and every second fixed plate 34 is fixed connection in the bottom of fourth locating plate 14.

Due to the arrangement of the clamping mechanism, the first fixing plate 33 is movably connected with the fourth positioning plate 14 and the moving end of the bidirectional cylinder 31 through the connecting piece and the joint bearing 32, when the moving ends at two sides of the bidirectional cylinder 31 extend and retract simultaneously through the control switch, the first fixing plate 33 can be driven to rotate, and the seat backrest can be fixed or released under the cooperation of the second fixing plate 34.

Specifically, each connecting member includes a connecting frame 41 and a pin 42, the connecting frame 41 is movably connected to the first fixing plate 33 through the pin 42, the connecting frame 41 is fixedly connected to the bottom of the fourth positioning plate 14, and the connecting frame 41 and the pin 42 are arranged to facilitate the movable connection between the first fixing plate 33 and the fourth positioning plate 14.

Specifically, the bottom of the third positioning plate 13 is provided with the electromagnetic brake 5, the electromagnetic brake 5 is connected with the second rotating shaft 26, and when the control switch of the motor 21 is turned off to stop the motor 21, the electromagnetic brake 5 is arranged to rapidly stop the rotation of the screw rod 24 by starting the electromagnetic brake 5, so that the height of the clamping mechanism can be more accurately positioned.

Specifically, the rubber layers 6 are arranged on the opposite inner sides of the first fixing plate 33 and the second fixing plate 34, and the rubber layers 6 are arranged, so that when the seat back is clamped by the first fixing plate 33 and the second fixing plate 34, the seat back can be protected, and the seat back can be prevented from being damaged.

Specifically, all the cover is equipped with bellows 7 on every second optical axis 17, the one end and the second optical axis 17 fixed connection of bellows 7, bellows 7's the other end and third locating plate 13 fixed connection, the setting of bellows has dustproof effect, can keep the clean and tidy effect of second optical axis.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the moving ends at two sides of the two-way cylinder 31 are extended by the control switch, the first fixing plate 33 is respectively movably connected with the moving ends of the fourth positioning plate 14 and the two-way cylinder 31 by the connecting piece and the joint bearing 32, so that the first fixing plate 33 can be driven to rotate, and the seat backrest can be fixed under the coordination of the second fixing plate 34, at the moment, when the output shaft of the switch control motor 21 rotates clockwise, the first rotating shaft 22, the lead screw 24 and the second rotating shaft 26 can be sequentially driven to rotate synchronously, because the thread sleeve 25 and the lead screw 24 are in threaded connection and the thread sleeve 25 is fixedly connected on the second positioning plate 12, and simultaneously, because the sliding connection of the first optical axis 15 and the first sliding sleeve 16 and the sliding connection of the second optical axis 17 and the second sliding sleeve 18, the second positioning plate 12, the fourth positioning plate 14 and the clamping mechanism can be driven to move downwards, at the moment, the seat backrest clamped by the clamping mechanism can be assembled with the opened seat cover.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a seat back positioning mechanism, includes the adjustable shelf, its characterized in that: a driving mechanism is arranged on the movable frame, a clamping mechanism is arranged at the bottom of the movable frame, the movable frame comprises a first positioning plate (11), a second positioning plate (12), a third positioning plate (13) and a fourth positioning plate (14) which are sequentially arranged from top to bottom, the first positioning plate (11) and the third positioning plate (13) are fixed in position, at least two first optical axes (15) are fixedly connected between the first positioning plate (11) and the third positioning plate (13), a first sliding sleeve (16) is slidably connected on each first optical axis (15), the first sliding sleeve (16) is fixedly connected on the second positioning plate (12), at least two second optical axes (17) are fixedly connected between the second positioning plate (12) and the fourth positioning plate (14), a second sliding sleeve (18) is slidably connected on each second optical axis (17), and the second sliding sleeve (18) is fixedly connected on the third positioning plate (13), the driving mechanism comprises a motor (21) arranged at the upper part of a first positioning plate (11), a first rotating shaft (22) is fixedly connected onto an output shaft of the motor (21), a first bearing (23) is sleeved on the first rotating shaft (22), the first bearing (23) is fixedly connected onto the first positioning plate (11), a lead screw (24) is fixedly connected to the bottom of the first rotating shaft (22), a thread sleeve (25) is connected onto the lead screw (24) in a threaded manner, the thread sleeve (25) is fixedly connected onto a second fixing plate (34), a second rotating shaft (26) is fixedly connected to the bottom of the lead screw (24), a second bearing (27) is sleeved on the second rotating shaft (26), the second bearing (27) is fixedly connected onto a third positioning plate (13), and the clamping mechanism comprises a bidirectional cylinder (31) fixedly connected to the bottom of a fourth positioning plate (14), the moving ends of two sides of the two-way cylinder (31) are movably connected with first fixing plates (33) through joint bearings (32), each first fixing plate (33) is movably connected to the bottom of the fourth positioning plate (14) through a connecting piece, second fixing plates (34) are arranged on the outer sides, opposite to the first fixing plates (33), of the first fixing plates (33), and each second fixing plate (34) is fixedly connected to the bottom of the fourth positioning plate (14).

2. A seat back positioning mechanism as set forth in claim 1, wherein: each connecting piece comprises a connecting frame (41) and a pin shaft (42), the connecting frame (41) is movably connected with the first fixing plate (33) through the pin shaft (42), and the connecting frame (41) is fixedly connected to the bottom of the fourth positioning plate (14).

3. A seat back positioning mechanism as set forth in claim 1, wherein: an electromagnetic brake (5) is arranged at the bottom of the third positioning plate (13), and the electromagnetic brake (5) is connected with the second rotating shaft (26).

4. A seat back positioning mechanism as set forth in claim 1, wherein: rubber layers (6) are arranged on the opposite inner sides of the first fixing plate (33) and the second fixing plate (34).

5. A seat back positioning mechanism as set forth in claim 1, wherein: all the cover is equipped with bellows (7) on every second optical axis (17), the one end and second optical axis (17) fixed connection of bellows (7), the other end and third locating plate (13) fixed connection of bellows (7).