CN219444910U

CN219444910U - Backrest frame connection structure

Info

Publication number: CN219444910U
Application number: CN202320869923.5U
Authority: CN
Inventors: 田良胜; 王宏; 黄龙; 王涛; 刘胜
Original assignee: Wuhan Xinlianchuang Auto Parts Co ltd
Current assignee: Wuhan Xinlianchuang Auto Parts Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-01
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a backrest frame connecting structure which comprises a bottom plate, wherein a first mounting plate and a second mounting plate are respectively arranged above the bottom plate, a first clamping plate is arranged between the first mounting plate and the second mounting plate, a second clamping plate is arranged above the first clamping plate, a driving mechanism is in transmission connection with the left end of the second clamping plate, the first clamping plate and the second clamping plate form a clamping space, the bottom ends of the first mounting plate and the second mounting plate are hinged with the bottom plate, and an angle adjusting mechanism is arranged on the bottom plate and in transmission connection with the first mounting plate and the second mounting plate through connecting components. Make the second splint remove towards first splint through starting drive assembly to carry out self-adaptation centre gripping to different back frame bodies to dock between frame body and the cushion skeleton of different sizes back.

Description

Backrest frame connection structure

Technical Field

The utility model relates to the field of backrest frame connecting structures. More particularly, the present utility model relates to a backrest frame connecting structure.

Background

In the common automobile seat manufacturing process, an automobile seat backrest framework and a cushion framework are formed by connecting bolts, so that the number of the public patent numbers is reduced: CN217804458U, this patent passes through bar fixture block with car seat frame skeleton joint on the welt, then through the angle of adjustment back frame of coupling mechanism, so that the bolt hole on seat back skeleton and the cushion skeleton just aligns, thereby reduce the workman and be convenient for the workman and install car seat back skeleton, however car seat back skeleton's size is different, bar fixture block can only carry out the joint to the car seat back skeleton of specific several sizes, easy joint is not gone up when facing great car seat back skeleton, the fixture block joint strength of PVC plastics material is insufficient when facing less car seat back skeleton, car seat back skeleton drops when connecting still easily, a back frame connection structure is proposed to this and solves above-mentioned problem.

Disclosure of Invention

The technical scheme for solving the technical problems is as follows: the utility model provides a back frame connection structure, includes the bottom plate, the bottom plate top is provided with first mounting panel and second mounting panel respectively, first mounting panel with be provided with first splint between the second mounting panel, the top of first splint is provided with the second splint, the right-hand member of second splint pass through spacing subassembly with second mounting panel sliding connection, the installation cavity has been seted up in the first mounting panel, be provided with actuating mechanism in the installation cavity, actuating mechanism with the left end transmission of second splint is connected, and makes first splint with the second splint forms the centre gripping space, first mounting panel with the bottom of second mounting panel all with the bottom plate articulates, be provided with angle adjustment mechanism on the bottom plate, angle mechanism pass through coupling assembling with first mounting panel with the second mounting panel transmission is connected.

Further, spacing subassembly includes spacing slide bar, the vertical setting of spacing slide bar, its top and bottom all pass through the diaphragm with second mounting panel fixed connection, the movable hole has been seted up on the second splint, just the second splint pass through the movable hole with spacing slide bar sliding connection.

Further, actuating mechanism is including vertical setting be in threaded rod in the installation cavity, just the upper and lower both ends of threaded rod all pass through the bearing with the installation cavity rotates to be connected, first mounting panel right-hand member seted up with the communicating logical groove in installation cavity, the threaded connection piece is equipped with to the cover of screw thread on the threaded rod, the threaded connection piece extends to outside the logical groove, and with second splint fixed connection, first mounting panel top is provided with the actuating source, just the actuating source with the threaded rod transmission is connected.

Further, the driving source comprises a motor arranged at the top end of the first mounting plate, and the top end of the threaded rod penetrates through the first mounting plate and is coaxially connected with the output shaft of the motor.

Further, angle adjustment mechanism includes electric putter, electric putter sets up along control direction level on the bottom plate, the sliding tray has been seted up along control direction on the bottom plate, be provided with the connecting seat on the sliding tray, electric putter's push rod end with connecting seat fixed connection, it has the movable rod to articulate on the connecting seat, the movable rod pass through coupling assembling with first mounting panel with the second mounting panel is connected.

Further, the coupling assembling includes the connecting axle, both ends all pass through the bearing respectively with first mounting panel with the rotation is connected to the second mounting panel, the movable rod is kept away from the one end of connecting seat with the connecting axle is connected.

The beneficial effects of the utility model are as follows: make the second splint remove towards first splint through starting drive assembly to carry out self-adaptation centre gripping to different back frame bodies to dock between frame body and the cushion skeleton of different sizes back.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic side view of a structure according to the present utility model;

fig. 2 is a top view of the base according to the present utility model.

In the figure: 1. a bottom plate; 2. a first mounting plate; 3. a second mounting plate; 4. a first clamping plate; 5. a second clamping plate; 6. a limit slide bar; 7. a mounting cavity; 8. a threaded rod; 9. a threaded connecting block; 10. a motor; 11. a connecting shaft; 13. a movable rod; 14. a connecting seat; 15. an electric push rod.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It should be noted that, in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Fig. 1-2 are diagrams showing a backrest frame connecting structure provided by the embodiment of the utility model, which comprises a bottom plate 1, a first mounting plate 2 and a second mounting plate 3 are respectively arranged above the bottom plate 1, a first clamping plate 4 is arranged between the first mounting plate 2 and the second mounting plate 3, a second clamping plate 5 is arranged above the first clamping plate 4, the right end of the second clamping plate 5 is in sliding connection with the second mounting plate 3 through a limiting component, an installation cavity 7 is formed in the first mounting plate 2, a driving mechanism is arranged in the installation cavity 7, the driving mechanism is in transmission connection with the left end of the second clamping plate 5, the first clamping plate 4 and the second clamping plate 5 form a clamping space, the bottom ends of the first mounting plate 2 and the second mounting plate 3 are hinged with the bottom plate 1, an angle adjusting mechanism is arranged on the bottom plate 1, and the angle mechanism is in transmission connection with the first mounting plate 2 and the second mounting plate 3 through a connecting component.

In this embodiment, the backrest frame body to be installed is placed on the first clamping plate 4, the second clamping plate 5 is driven to move towards the first clamping plate 4 by the driving mechanism, so that the backrest frame body is adaptively fixed between the first clamping plate 4 and the second clamping plate 5, and then the first mounting plate 2 and the second mounting plate 3 are driven to overturn by the angle mechanism adjustment, so that the installation angle of the backrest frame body between the first clamping plate 4 and the second clamping plate 5 and the cushion framework is adjusted, so that the backrest frame body can be in butt joint with the cushion framework, and the backrest frame body and the cushion framework with different sizes are connected.

Preferably, as another embodiment of the present utility model, the limiting component includes a limiting slide rod 6, the limiting slide rod 6 is vertically disposed, the top end and the bottom end of the limiting slide rod are fixedly connected with the second mounting plate 3 through the transverse plate, the second clamping plate 5 is provided with a movable hole, and the second clamping plate 5 is slidably connected with the limiting slide rod 6 through the movable hole.

In this embodiment, the second clamping plate 5 can be limited by the limiting sliding rod 6, so that the second clamping plate 5 can move up and down through the driving mechanism.

Preferably, as another embodiment of the present utility model, the driving mechanism includes a threaded rod 8 vertically disposed in the installation cavity 7, and the upper and lower ends of the threaded rod 8 are both rotatably connected with the installation cavity 7 through bearings, the right end of the first installation plate 2 is provided with a through slot communicated with the installation cavity 7, the threaded rod 8 is sleeved with a threaded connection block 9, the threaded connection block 9 extends out of the through slot and is fixedly connected with the second clamping plate 5, the top end of the first installation plate 2 is provided with a driving source, and the driving source is in transmission connection with the threaded rod 8.

In this embodiment, through starting the drive source, drive threaded rod 8 and rotate to make threaded connection block 9 can reciprocate at threaded rod 8 through spacing of spacing slide bar 6, threaded connection block 9 is moving at drive second splint 5 when moving, thereby cooperatees with first splint 4, thereby realizes self-adaptation centre gripping.

Preferably, as another embodiment of the present utility model, the driving source includes a motor 10 disposed at the top end of the first mounting plate 2, and the top end of the threaded rod 8 penetrates through the first mounting plate 2 and is coaxially connected with the output shaft of the motor 10.

In this embodiment, the motor 10 is started to drive the threaded rod 8 to rotate in the forward and reverse directions, so that the second clamping plate 5 is lifted or lowered.

Preferably, as another embodiment of the present utility model, the angle adjusting mechanism includes an electric push rod 15, the electric push rod 15 is horizontally disposed on the bottom plate 1 along the left-right direction, a sliding groove is formed on the bottom plate 1 along the left-right direction, a connecting seat 14 is disposed on the sliding groove, a push rod end of the electric push rod 15 is fixedly connected with the connecting seat 14, a movable rod 13 is hinged on the connecting seat 14, and the movable rod 13 is connected with the first mounting plate 2 and the second mounting plate 3 through a connecting component.

In this embodiment, the electric push rod 15 is started to shrink, so that the connecting seat 14 is pulled, at this time, the hinge point between the movable rod 13 and the connecting seat 14 is used as a circle center to rotate, and then the movable rod 13 pulls the first mounting plate 2 and the second mounting plate 3 through the connecting component, so that the first mounting plate 2 and the second mounting plate 3 drive the fixed backrest frame body to incline according to the actual mounting condition, so that a worker can conveniently mount the backrest frame body.

Preferably, as another embodiment of the present utility model, the connecting assembly includes a connecting shaft 11, both left and right ends of the connecting shaft 11 are respectively connected with the first mounting plate 2 and the second mounting plate 3 through bearings, and one end of the movable rod 13, which is far away from the connecting seat 14, is connected with the connecting shaft 11.

In this embodiment, the movable rod 13 is connected with the middle part of the connecting shaft 11, and the connecting shaft 11 can drive the first mounting plate 2 and the second mounting plate 3 to simultaneously bear force, so that the first mounting plate 2 and the second mounting plate 3 incline synchronously.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the utility model is suited, and further modifications may be readily made by one skilled in the art, and the utility model is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.

Claims

1. A back frame connection structure, its characterized in that: including bottom plate (1), bottom plate (1) top is provided with first mounting panel (2) and second mounting panel (3) respectively, first mounting panel (2) with be provided with first splint (4) between second mounting panel (3), the top of first splint (4) is provided with second splint (5), the right-hand member of second splint (5) pass through spacing subassembly with second mounting panel (3) sliding connection, install chamber (7) have been seted up in first mounting panel (2), be provided with actuating mechanism in install chamber (7), actuating mechanism with the left end transmission of second splint (5) is connected, and makes first splint (4) with the bottom of second mounting panel (3) all with bottom plate (1) is articulated, be provided with angle adjustment mechanism on bottom plate (1), angle adjustment mechanism pass through coupling assembling with first mounting panel (2) and second mounting panel (3) are connected.

2. A back frame connecting structure according to claim 1, wherein: the limiting component comprises a limiting slide rod (6), the limiting slide rod (6) is vertically arranged, the top end and the bottom end of the limiting slide rod are fixedly connected with the second mounting plate (3) through transverse plates, movable holes are formed in the second clamping plates (5), and the second clamping plates (5) are in sliding connection with the limiting slide rod (6) through the movable holes.

3. A back frame connecting structure according to claim 1, wherein: the driving mechanism comprises a threaded rod (8) vertically arranged in the installation cavity (7), the upper end and the lower end of the threaded rod (8) are rotatably connected with the installation cavity (7) through bearings, a through groove communicated with the installation cavity (7) is formed in the right end of the first mounting plate (2), a threaded connecting block (9) is sleeved on the threaded rod (8) in a threaded mode, the threaded connecting block (9) extends out of the through groove and is fixedly connected with the second clamping plate (5), a driving source is arranged at the top end of the first mounting plate (2), and the driving source is in transmission connection with the threaded rod (8).

4. A back frame connecting structure according to claim 3, wherein: the driving source comprises a motor (10) arranged at the top end of the first mounting plate (2), and the top end of the threaded rod (8) penetrates through the first mounting plate (2) and is coaxially connected with the output shaft of the motor (10).

5. A back frame connecting structure according to claim 1, wherein: the angle adjusting mechanism comprises an electric push rod (15), the electric push rod (15) is horizontally arranged on the bottom plate (1) along the left-right direction, a sliding groove is formed in the bottom plate (1) along the left-right direction, a connecting seat (14) is arranged on the sliding groove, the push rod end of the electric push rod (15) is fixedly connected with the connecting seat (14), a movable rod (13) is hinged to the connecting seat (14), and the movable rod (13) is connected with the first mounting plate (2) and the second mounting plate (3) through connecting components.

6. The back frame connecting structure according to claim 5, wherein: the connecting assembly comprises a connecting shaft (11), the left end and the right end of the connecting shaft (11) are respectively connected with the first mounting plate (2) and the second mounting plate (3) through bearings in a rotating mode, and one end, away from the connecting seat (14), of the movable rod (13) is connected with the connecting shaft (11).