Backrest framework structure of automobile seat angle adjuster

Abstract

The utility model belongs to the technical field of seat angle adjusters, and particularly relates to a backrest framework structure of an automobile seat angle adjuster, which comprises a seat connecting plate, a chair back connecting plate and a chair back framework which are sequentially connected, and a connecting mechanism is mounted between the chair back connecting plate and the chair back framework. The backrest framework structure comprises a backrest connecting plate and a backrest framework, the backrest connecting plate is provided with a connecting mechanism, the connecting mechanism is provided with an inserting piece and a locking mechanism used for being connected with the inserting piece in a penetrating mode, and an inserting gap used for containing longitudinal inserting connection of the inserting piece is formed between the backrest connecting plate and the backrest framework. The chair back connecting structure is characterized in that an inserting groove is longitudinally formed in the inner side of the top of the chair back connecting plate, the chair back framework is directly connected to the chair back connecting plate in an inserted mode through the inserting piece by additionally arranging the locking mechanism and the inserting piece, and when the chair back framework is installed, hole alignment operation does not need to be conducted on the chair back framework and the chair back connecting plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of seat angle adjusters, and in particular relates to a backrest skeleton structure of a car seat angle adjuster. Background Art

[0002] The seat recliner consists of a backrest connecting plate, a seat connecting plate, a core component, a handwheel or an adjustment handle, a return spring and other parts.

[0003] When installing a bus seat, the seat back connecting plate on the seat recliner is generally connected to the seat back through a plurality of fastening bolts, which takes a long time to install and is inefficient, and the fastening bolts may be stripped during disassembly after long-term use, thereby increasing the difficulty of disassembling and repairing the seat back. In addition, the existing seat back frame and seat connecting plate require that the mounting holes on the seat back frame and the mounting holes on the seat connecting plate be consistent during installation, and the existing seat back frame and seat connecting plate do not have a positioning guide device, so it is time-consuming to align the holes of the seat back frame and the seat connecting plate, which greatly reduces the practicability of the equipment. Utility Model Content

[0004] The utility model aims to provide a backrest frame structure of a car seat recliner to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car seat recliner backrest frame structure, comprising: a seat connecting plate, a backrest connecting plate and a backrest frame connected in sequence, a connecting mechanism is installed between the backrest connecting plate and the backrest frame, the connecting mechanism has a plug-in component and a locking mechanism for penetrating the plug-in component, and a plug-in gap is formed between the backrest connecting plate and the backrest frame to accommodate the longitudinal plug-in of the plug-in component.

[0006] Preferably, the connector includes an insert block, and the insert block is a long strip structure.

[0007] Preferably, a slot is longitudinally provided on the inner side of the top of the seat back connecting plate, the insertion gap is formed in the slot, and the insertion block is at least partially inserted in the slot.

[0008] Preferably, the locking mechanism includes a mounting seat and a plurality of limit blocks, the mounting seat being longitudinally mounted on the outer side of the seat back connecting plate, the mounting seat being longitudinally penetrated by a plurality of mounting holes extending into the slot at equal distances from the outside to the inside, a limit hole is provided on the outer side of the plug block at the same height position of each of the mounting holes, the plurality of limit blocks are slidably mounted in the plurality of mounting holes, and one end of each of the limit blocks is inserted into the corresponding limit hole, a limit mechanism is installed on the outer side of the mounting seat, and the limit mechanism is used to limit the plurality of limit blocks from being separated from the corresponding limit holes.

[0009] Preferably, the limiting mechanism includes a limiting seat, a mounting chamber for accommodating the mounting seat is provided on one side of the limiting seat close to the mounting seat, sliders are installed on both symmetrical sides of the mounting chamber, and sliding grooves are provided on both symmetrical sides of the mounting seat, and the two sliders are respectively inserted and installed in the corresponding sliding grooves.

[0010] Preferably, a threaded hole penetrating through a plurality of mounting holes is formed at the end of the mounting seat, and a screw is threaded in the threaded hole, and each of the limit blocks is radially penetrated with an opening, and each of the limit blocks is sleeved on the screw through the opening.

[0011] Preferably, the limit block is a columnar structure, and both ends of the limit block are arc-shaped structures.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model adds a locking mechanism and a connector, and the seat back frame is directly plugged into the seat back connecting plate through the connector. When the seat back frame is installed, there is no need to align the holes of the seat back frame and the seat back connecting plate.

[0014] (2) The utility model adds a mounting seat, a plurality of limit blocks and a limit mechanism, and slides the plurality of limit blocks on the seat back connecting plate through the mounting seat. When the seat back frame is plugged into the seat back connecting plate, the plurality of limit blocks are simultaneously inserted into the slider through the limit mechanism to prevent the seat back frame from being separated from the seat back connecting plate.

[0015] (3) The utility model adds a limit seat, which is slidably installed on the mounting seat through a slider and a slide groove. When the limit seat is slidably installed on the mounting seat, multiple limit blocks are pressed into the mounting holes by the limit seat to prevent multiple limit blocks from detaching from the plug-in blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a top view of the chair back frame, chair back connecting plate, limiting mechanism and connecting mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the coordination of the chair back frame, the chair back connecting plate, the limiting mechanism and the connecting mechanism of the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the limit block of the utility model;

[0020] Figure 5 It is a schematic diagram of the coordination of the limit seat, the slider, the slide groove and the mounting seat of the utility model;

[0021] Figure 6 It is a three-dimensional diagram of the limit seat of the utility model;

[0022] In the figure: 1. Seat connecting plate; 2. Backrest connecting plate; 3. Backrest frame; 4. Limit seat; 5. Mounting seat; 6. Slot; 7. Insert block; 8. Limit block; 9. Opening; 10. Screw; 11. Threaded hole; 12. Mounting hole; 13. Slider; 14. Slide groove; 15. Limit hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] refer to Figure 1-2 As shown, the utility model provides a car seat recliner back frame structure, comprising: a seat connecting plate 1, a back connecting plate 2 and a back frame 3 connected in sequence, and a connecting mechanism is installed between the back connecting plate 2 and the back frame 3.

[0025] In the present utility model, combined with Figure 3 As shown, the connection mechanism of this embodiment has a plug-in component and a locking mechanism for penetrating the plug-in component, and a plug-in gap for accommodating the longitudinal plug-in of the plug-in component is formed between the seat back connecting plate 2 and the seat back frame 3.

[0026] The plug connector includes an insert block 7, and the insert block 7 is a long strip structure.

[0027] Combination Figure 2-3 As shown, a slot 6 is longitudinally opened on the inner side of the top of the seat back connecting plate 2 , a plug-in gap is formed in the slot 6 , and the plug-in block 7 is at least partially plugged into the slot 6 .

[0028] As described above, when using the seat connecting plate 1, the backrest connecting plate 2, the backrest frame 3 and the connecting mechanism provided by the utility model, the backrest connecting plate 2 is installed on the seat of the bus through the seat connecting plate 1, and the connector in the backrest frame 3 is inserted into the slot 6 on the backrest connecting plate 2. At this time, the connector is locked in the slot 6 by the locking mechanism to prevent the backrest frame 3 from being separated from the backrest connecting plate 2, thereby realizing the rapid disassembly and assembly of the backrest frame 3 and the backrest connecting plate 2.

[0029] In the present utility model, combined with Figure 2As shown, the locking mechanism of this embodiment includes a mounting seat 5 and a plurality of limit blocks 8. The mounting seat 5 is longitudinally mounted on the outer side of the seat back connecting plate 2. A plurality of mounting holes 12 extending into the slot 6 are equidistantly penetrated longitudinally from the outside to the inside on the mounting seat 5. Limit holes 15 are provided on the outer side of the insert block 7 at the same height position of each mounting hole 12. The plurality of limit blocks 8 are slidably mounted in the plurality of mounting holes 12, and one end of each limit block 8 is plugged into the corresponding limit hole 15. A limit mechanism is installed on the outer side of the mounting seat 5, and the limit mechanism is used to limit the plurality of limit blocks 8 from being separated from the corresponding limit holes 15.

[0030] As mentioned above, when using the limit seat 4 provided by the utility model, a mounting position is provided for the limit mechanism on the chair back connecting plate 2, and at the same time, a plurality of limit blocks 8 are installed between the mounting seat 5 and the slot 6 through a plurality of mounting holes 12. When the plug block 7 is inserted into the slot 6, the plurality of limit holes 15 on the plug block 7 are respectively at the same height position of the plurality of mounting holes 12. At this time, the plurality of limit blocks 8 are pushed to one side of the plug block 7, so that the plurality of limit blocks 8 are inserted into the corresponding limit holes 15 in sequence. At this time, the limit mechanism is installed on the outside of the mounting seat 5, so that the plurality of limit blocks 8 are restricted in the corresponding mounting holes 12 through the limit mechanism, so as to prevent the limit blocks 8 from being separated from the plug block 7. At this time, the plug block 7 cannot be separated from the slot 6, so as to prevent the chair back frame 3 from being disconnected from the chair back connecting plate 2, thereby realizing the function of the device being able to quickly disassemble and assemble the chair back frame 3.

[0031] In the present utility model, combined with Figure 2-3 and Figure 5-6 As shown, the limiting mechanism of this embodiment includes a limiting seat 4, and a mounting chamber for accommodating the mounting seat 5 is opened on one side of the limiting seat 4 close to the mounting seat 5, and sliders 13 are installed on both symmetrical sides of the mounting chamber, and slide grooves 14 are opened on both symmetrical sides of the mounting seat 5, and the two sliders 13 are respectively inserted and installed in the corresponding slide grooves 14.

[0032] As mentioned above, when using the limit seat 4 provided by the utility model, the limit seat 4 is slidably installed on the mounting seat 5 through the slider 13 and the slide groove 14. At this time, the limit seat 4 is on the outside of the mounting seat 5, so that multiple limit blocks 8 are pushed into the mounting hole 12 at the same time, and then the multiple limit blocks 8 are inserted into the plug block 7 in turn, and the limit seat 4 is used to prevent the limit block 8 from being separated from the plug block 7.

[0033] Further, in order to prevent the limit block 8 from being separated from the mounting hole 12, refer to Figure 2 and Figure 4As shown, the end of the mounting seat 5 is provided with a threaded hole 11 penetrating through a plurality of mounting holes 12, and a screw 10 is screwed into the threaded hole 11, and an opening 9 is radially penetrated on each stop block 8, and each stop block 8 is sleeved on the screw 10 through the opening 9. The plurality of stop blocks 8 are sequentially inserted into the corresponding mounting holes 12, and the openings 9 on the plurality of stop blocks 8 are oriented toward the direction of the threaded hole 11, and the screw 10 is screwed into the threaded hole 11. At this time, the screw 10 penetrates the plurality of stop blocks 8 through the opening 9, and the stop blocks 8 can move in the mounting hole 12 through the opening 9, and the stop blocks 8 are prevented from being separated from the mounting hole 12 as a whole through the opening 9.

[0034] Further, in order to facilitate driving the limit block 8 into the mounting hole 12 and inserting into the limit hole 15, refer to Figure 4 As shown, the limit block 8 is a columnar structure, and both ends of the limit block 8 are arc-shaped structures. When the limit seat 4 slides on the mounting seat 5, the arc-shaped structure at the end of the limit block 8 facilitates the limit block 8 to be pushed into the mounting hole 12, and at the same time, the arc-shaped structure at the end of the limit block 8 facilitates the limit block 8 to be inserted into the plug block 7, preventing the plug block 7 from being separated from the slot 6.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car seat recliner backrest frame structure, characterized in that: include: A seat connection plate (1), a backrest connection plate (2) and a backrest frame (3) connected in sequence, a connection mechanism being installed between the backrest connection plate (2) and the backrest frame (3), the connection mechanism having a plug-in component and a locking mechanism for penetrating the plug-in component, and a plug-in gap for accommodating the longitudinal plug-in of the plug-in component being formed between the backrest connection plate (2) and the backrest frame (3); The plug connector comprises an insert block (7), and the insert block (7) is a long strip structure; A slot (6) is longitudinally provided on the inner side of the top of the seat back connecting plate (2), the insertion gap is formed in the slot (6), and at least a part of the insertion block (7) is inserted into the slot (6).

2. The backrest frame structure of the car seat recliner according to claim 1, characterized in that: The locking mechanism comprises a mounting seat (5) and a plurality of limit blocks (8), wherein the mounting seat (5) is longitudinally mounted on the outer side of the seat back connecting plate (2), and a plurality of mounting holes (12) extending into the slot (6) are longitudinally penetrated from the outside to the inside at equal distances, and a limit hole (15) is provided on the outer side of the plug block (7) at the same height position as each of the mounting holes (12), and the plurality of limit blocks (8) are slidably mounted in the plurality of mounting holes (12), and one end of each of the limit blocks (8) is plugged into the corresponding limit hole (15), and a limit mechanism is installed on the outer side of the mounting seat (5), and the limit mechanism is used to limit the plurality of limit blocks (8) from being separated from the corresponding limit hole (15).

3. The backrest frame structure of the car seat recliner according to claim 2, characterized in that: The limiting mechanism comprises a limiting seat (4), a mounting chamber for accommodating the mounting seat (5) is provided on one side of the limiting seat (4) close to the mounting seat (5), sliders (13) are installed on both symmetrical sides of the mounting chamber, and sliding grooves (14) are provided on both symmetrical sides of the mounting seat (5), and the two sliders (13) are respectively inserted and installed in the corresponding sliding grooves (14).

4. The backrest frame structure of the car seat recliner according to claim 2, characterized in that: A threaded hole (11) penetrating a plurality of mounting holes (12) is provided at the end of the mounting seat (5), and a screw rod (10) is threadedly connected in the threaded hole (11), and an opening (9) is radially penetrated on each of the limit blocks (8), and each of the limit blocks (8) is sleeved on the screw rod (10) through the opening (9).

5. The backrest frame structure of the car seat recliner according to claim 2, characterized in that: The limit block (8) is a columnar structure, and both ends of the limit block (8) are arc-shaped structures.

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