CN214711606U - Back backboard assembling structure - Google Patents
Back backboard assembling structure Download PDFInfo
- Publication number
- CN214711606U CN214711606U CN202120661258.1U CN202120661258U CN214711606U CN 214711606 U CN214711606 U CN 214711606U CN 202120661258 U CN202120661258 U CN 202120661258U CN 214711606 U CN214711606 U CN 214711606U
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- back plate
- plate
- backboard
- hanging
- assembling structure
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Abstract
The utility model discloses a back backplate assembly structure, including the preceding backplate and the postnotum of looks adaptation, be provided with two at least between the trailing flank of preceding backplate and the leading flank of postnotum and insert and hang structure and end-stopping structure, end-stopping structure is used for preventing to insert the inserted block of hanging the structure and withdraws from corresponding hanging hole. Compared with the prior art, the beneficial effects of the utility model are that: the front back plate and the back plate are in three-dimensional spacing by inserting the hanging structure, and form an interference fit structure by matching the non-return structure with the inserting hanging structure, so that the front back plate and the back plate are assembled into a whole, the assembly is convenient and fast, and the assembly is firm.
Description
Technical Field
The utility model belongs to the technical field of the seat structure, concretely relates to back backplate assembly structure.
Background
The seat back includes a frame to which a back plate is fixed for mounting a seat cover such as foam and a cover. With the improvement of the comfort and the functionality requirements of the seat, the back plate is integrated with a functional piece or a mounting site of the functional piece. At present, various engineering plastics are used on the seat back plate in a large quantity, and the development of materials and injection molding processes provides convenience for the complication of the back plate structure. To improve the production efficiency, these functional components or their mounting sites are often formed together with the back plate body by injection molding or the like. However, some seat back panels are more complex in structure and may be designed to be assembled together from front and rear back panels to facilitate the molding or installation of various functional components. Therefore, the assembly structure and the process between the front back plate and the rear back plate must be planned in the design stage, and the production efficiency is improved on the premise of ensuring the connection strength.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a back backplate assembly structure.
The technical scheme is as follows:
a back plate assembly structure comprises a front back plate and a back plate which are matched, and is characterized in that at least two inserting and hanging structures and a non-return structure are arranged between the back side surface of the front back plate and the front side surface of the back plate;
the inserting and hanging structure comprises an inserting block and a hanging hole, the inserting block and the hanging hole are respectively arranged on the front back plate and the back plate, an included angle between the inserting block and a local area of the front back plate or the back plate where the tail end of the inserting block is located is an acute angle, and the opening of the hanging hole faces the inserting block;
the non-return structure is a front back plate step and a back plate step which are opposite to each other;
the insertion blocks are inserted into the corresponding hanging holes, and the front back plate steps and the back plate steps are abutted against each other to prevent the insertion blocks from withdrawing from the corresponding hanging holes.
Compared with the prior art, the beneficial effects of the utility model are that: the front back plate and the back plate are in three-dimensional spacing by inserting the hanging structure, and form an interference fit structure by matching the non-return structure with the inserting hanging structure, so that the front back plate and the back plate are assembled into a whole, the assembly is convenient and fast, and the assembly is firm.
Drawings
FIG. 1 is a schematic structural view of the present invention, in which a partial insertion structure and a non-return structure at a cut-away portion are shown by dotted lines;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is an enlarged view of a portion a of FIG. 3;
FIG. 5 is a schematic structural view of a front backplate;
FIG. 6 is an enlarged view of portion b of FIG. 5;
FIG. 7 is a schematic structural view of a backplate;
fig. 8 is an enlarged view of a portion c of fig. 7.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 3, a backrest backboard assembling structure comprises a front backboard 1 and a back backboard 2 which are matched, wherein at least two inserting and hanging structures and a non-return structure are arranged between the back side surface of the front backboard 1 and the front side surface of the back backboard 2. The inserting and hanging structure comprises an inserting block 11 and a hanging hole 21, the inserting block 11 and the hanging hole 21 are respectively arranged on the front back plate 1 and the back plate 2, an included angle between the inserting block 11 and the local area of the front back plate 1 or the back plate 2 where the tail end of the inserting block is located is an acute angle, and the opening of the hanging hole 21 faces the inserting block 11.
The non-return structure is a front backboard step 12 and a back backboard step 22 which are opposite to each other. The insertion blocks 11 are inserted into the corresponding hanging holes 21, and the front backboard steps 12 and the back backboard steps 22 abut against each other to prevent the insertion blocks 11 from being withdrawn from the corresponding hanging holes 21.
As shown in fig. 5 to 8, at least one of the insertion blocks 11 is respectively disposed on the upper, lower, left, and right edges of the rear side of the front back plate 1, and the front side of the rear back plate 2 is respectively provided with a hanging hole 21 corresponding to each of the insertion blocks 11.
In this embodiment, the front end of the insertion block 11 faces downward, and the opening of the hanging hole 21 faces upward. The front back plate step 12 faces upward and the back plate step 22 faces downward to prevent the insert 11 from moving back upward.
Specifically, as fig. 6, the inserted block 11 includes picture peg 111, and this picture peg 111's cross-section is L shape, and this picture peg 111 is including founding the extension of stepping down of 1 trailing flank of preceding backplate, the front edge of the extension of stepping down with preceding backplate 1 is connected, the rear edge of the extension of stepping down extends backward and is connected with grafting portion, the vertical setting of grafting portion, its upper edge with the extension of stepping down is connected, and its lower limb downwardly extending is in order to form inserted block 11 front end. The front back plate 1 opposite to the insertion part is provided with a yielding hole 13, and the edge of the yielding hole 13 is provided with a circumferential reinforcing rib extending backwards. The existence of the abdicating hole 13 facilitates the demoulding when the insert block 11 and the front back plate 1 are integrally formed.
The front end of the inserting part extends downwards and deflects backwards at the same time so as to increase an included angle between the front end of the inserting part and the rear side surface of the front back plate 1, and the inserting block 11 can conveniently enter the abdicating hole 13 during assembly.
A first reinforcing rib 112 is connected between the rear side surface of the inserting plate 111 and the front back plate 1.
As shown in fig. 7, a groove-shaped plate 23 is fixedly connected to the front side of the back panel 2, a notch of the groove-shaped plate 23 faces backwards, an opening of one end of the groove-shaped plate 23 faces upwards, and two groove walls of the groove-shaped plate 23 are fixedly connected to the front side of the back panel 2, so as to form the hanging hole 21 with the back panel 2. The space between the lower end of the trough plate 23 and the backplate 2 may be open or closed. After the insert block 11 enters the abdicating hole 13, the abdicating extension part is attached to the upper edge of the groove-shaped plate 23.
The back plate step 22 is arranged on the upper portion of the back plate 2, the back plate step 22 comprises a retaining plate 221 vertically arranged on the front side face of the back plate 2, any one side face of the retaining plate 221 faces downwards, and a second reinforcing rib 222 is connected between the upper surface of the retaining plate 221 and the back plate 2.
As shown in fig. 8, the rear side of the front back plate 1 protrudes backwards corresponding to the rear back plate step 22 to form the front back plate step 12, a U-shaped reinforcing rib 14 is arranged around the front back plate step 12, the U-shaped reinforcing rib 14 opens downwards, and the front back plate 1 where the front back plate step 12 is partially located is reinforced by the U-shaped reinforcing rib 14. The front back plate 1 between the U-shaped reinforcing rib 14 and the front back plate step 12 forms a thinning part, the back side surface of the thinning part gradually shifts forwards from bottom to top, and a deformation joint is formed between the upper edge of the thinning part and the U-shaped reinforcing rib 14, so that the local area where the front back plate step 12 is located has certain elastic deformation capacity, and the front back plate step and the back plate step 22 can be stably matched when the front back plate step and the back plate step are subjected to abutting force.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (9)
1. A back backboard assembling structure comprises a front backboard (1) and a back backboard (2) which are matched, and is characterized in that: at least two inserting and hanging structures and a non-return structure are arranged between the rear side surface of the front back plate (1) and the front side surface of the rear back plate (2);
the inserting and hanging structure comprises an inserting block (11) and a hanging hole (21), the inserting block (11) and the hanging hole are respectively arranged on the front back plate (1) and the back plate (2), an included angle between the inserting block (11) and the local area of the front back plate (1) or the back plate (2) where the tail end of the inserting block is located is an acute angle, and the opening of the hanging hole (21) faces the inserting block (11);
the non-return structure comprises a front back plate step (12) and a back plate step (22) which are opposite to each other;
the insertion blocks (11) are inserted into the corresponding hanging holes (21), and the front backboard steps (12) and the back backboard steps (22) are abutted against each other to prevent the insertion blocks (11) from being withdrawn from the corresponding hanging holes (21).
2. The back-rest back-plate assembling structure according to claim 1, wherein: the rear side face of the front back plate (1) is provided with at least one insertion block (11) at each of the upper, lower, left and right edges, and the front side face of the rear back plate (2) is provided with a hanging hole (21) corresponding to each insertion block (11).
3. The back plate assembling structure of claim 2, wherein: the front end of the inserting block (11) faces downwards, and the opening of the hanging hole (21) faces upwards;
the front backboard step (12) faces upwards, and the rear backboard step (22) faces downwards to prevent the insert block (11) from retreating upwards.
4. The back plate assembling structure of claim 3, wherein: the plug-in block (11) comprises a plug board (111), the cross section of the plug board (111) is L-shaped, the plug board (111) comprises a yielding extension portion which is vertically arranged on the rear side surface of the front back board (1), the front edge of the yielding extension portion is connected with the front back board (1), the rear edge of the yielding extension portion extends backwards and is connected with a plug-in portion, the plug-in portion is vertically arranged, the upper edge of the plug-in portion is connected with the yielding extension portion, and the lower edge of the plug-in portion extends downwards to form the front end of the plug board (11);
the front back plate (1) opposite to the insertion part is provided with a yielding hole (13), and the edge of the yielding hole (13) is provided with a circumferential reinforcing rib extending backwards.
5. The back-rest back-plate assembling structure according to claim 4, wherein: the front end of the insertion part extends downwards and deflects backwards.
6. The back-rest back-plate assembling structure according to claim 4, wherein: a first reinforcing rib (112) is connected between the rear side face of the inserting plate (111) and the front back plate (1).
7. The back-rest back-plate assembling structure according to claim 4, wherein: the front side face of the rear back plate (2) is fixedly connected with a groove-shaped plate (23), a notch of the groove-shaped plate (23) faces backwards, an opening at one end of the groove-shaped plate (23) faces upwards, and groove walls on two sides of the groove-shaped plate (23) are fixedly connected with the front side face of the rear back plate (2) so as to form the hanging hole (21) with the rear back plate (2).
8. The back plate assembling structure of claim 3, wherein: the rear backboard is characterized in that the rear backboard step (22) is arranged on the upper portion of the rear backboard (2), the rear backboard step (22) comprises a retaining plate (221) which is vertically arranged on the front side face of the rear backboard (2), any one side face of the retaining plate (221) faces downwards, and a second reinforcing rib (222) is connected between the upper surface of the retaining plate (221) and the rear backboard (2).
9. The back plate assembling structure of claim 3, wherein: the rear side of the front back plate (1) is protruded backwards corresponding to the rear back plate step (22) to form the front back plate step (12), a U-shaped reinforcing rib (14) is arranged around the front back plate step (12), an opening of the U-shaped reinforcing rib (14) is downward, the U-shaped reinforcing rib (14) and the front back plate (1) between the front back plate step (12) form a thinning part, the rear side of the thinning part gradually deflects forwards from bottom to top to thin the thinning part, and a deformation joint is formed between the upper edge of the thinning part and the U-shaped reinforcing rib (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661258.1U CN214711606U (en) | 2021-03-31 | 2021-03-31 | Back backboard assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661258.1U CN214711606U (en) | 2021-03-31 | 2021-03-31 | Back backboard assembling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214711606U true CN214711606U (en) | 2021-11-16 |
Family
ID=78598519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661258.1U Active CN214711606U (en) | 2021-03-31 | 2021-03-31 | Back backboard assembling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214711606U (en) |
-
2021
- 2021-03-31 CN CN202120661258.1U patent/CN214711606U/en active Active
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