Adjustable bed backrest

Abstract

The utility model relates to the technical field of bed backrests, and discloses an adjustable bed backrest which comprises a backrest frame, guide rails are fixedly connected to the upper ends of the middles of the inner walls of the two sides of the backrest frame, a plurality of second clamping grooves are formed in the front end of the inner wall of the backrest frame, and a clamping supporting plate is matched with the front end of the inner wall of the backrest frame in a clamped mode. Guide grooves are formed in the two sides of the upper portion of the outer wall of the front end of the clamping supporting plate, an upper backrest plate is slidably connected to the outer wall of the front end of the clamping supporting plate, an upper backrest cushion is fixedly connected to the outer wall of the front end of the upper backrest plate, and L-shaped connecting blocks are fixedly connected to the two sides of the outer wall of the rear end of the upper backrest plate. According to the bed backrest, the simple structure of the bed backrest enables the number of parts to be small, and the possibility of failures and damage to be reduced, so that the frequency of maintaining and replacing the parts is reduced, the cost in long-term use is saved, a simple mechanism is easy to understand and operate, the failure probability of relatively complex parts is lower, and therefore the overall reliability of a product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bed backrest technical field especially relates to an adjustable bed backrest. BACKGROUND

[0002] Bed backrest is mainly used for providing support and comfort, helping people to relax, read or rest on the bed, it not only can prevent the body to lean back, protect the waist, can also promote the bed's appearance, increase the overall bedroom's decoration style, in addition, bed backrest usually adopts soft cushion material, makes when leaning more comfortable, creates a more warm and hospitable sleeping environment.

[0003] However, the conventional majority bed backrest can only provide fixed angle, cannot adjust at will, limited the flexibility of the user according to individual needs to adjust, cannot satisfy the need of different sitting and lying posture, and the conventional majority bed backrest structure is complex, design is larger, often occupies the extra space of bed, makes the use space of small bedroom be limited, is not favorable to the efficient use of space.

[0004] Therefore, the technical personnel in the prior art provides an adjustable bed backrest to solve the problems in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides an adjustable bed backrest, the bed backrest is connected on the backrest frame through the sliding connection of the guide sliding block and the guide rail, the mechanical sliding block is designed to adjust the angle of the bed backrest, and the different sitting and lying needs of the user are met, the flexibility and comfort of the bed backrest are improved, the backrest pad can be adjusted to the comfortable angle quickly and conveniently without occupying the area of the bed, so it is especially suitable for small bedroom, and the limited space can be effectively utilized.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An adjustable bed backrest, including backrest frame, the upper end of the middle part of the inner wall of both sides of backrest frame is fixedly connected with guide rail, the front end of the inner wall of backrest frame is equipped with a plurality of second clamping groove, the front end of the inner wall of backrest frame is connected with the clamping support plate of card joint, the outer wall of the front end of clamping support plate is equipped with guide slot on both sides, the outer wall of the front end of clamping support plate is slidably connected with upper backrest plate, the outer wall of the front end of upper backrest plate is fixedly connected with upper backrest pad, the outer wall of the rear end of upper backrest plate is fixedly connected with L-shaped connecting block on both sides, the upper end and the lower end of the outer wall of one side of L-shaped connecting block are fixedly connected with fixed block, the middle part of the outer wall of one side of fixed block is fixedly connected with guide sliding block, the lower end of upper backrest plate is hingedly connected with lower backrest plate, the outer wall of the front end of lower backrest plate is fixedly connected with lower backrest pad.

[0008] Through the technical scheme, the simple structure of the bed backrest reduces the number of components, the possibility of failure and damage, thereby reducing the frequency of maintenance and replacement of components, saving the cost in long-term use, and the simple mechanism is easy to understand and operate, and the failure probability of the relatively complex mechanism is lower, thereby improving the overall reliability of the product.

[0009] Further, the rear end of the inner wall of the backrest frame is provided with a first clamping groove;

[0010] Through the technical scheme, the first clamping groove is provided, so that the supporting plate can be clamped and matched with the backrest frame through the installation clamping strip.

[0011] Further, the rear end of the inner wall of the backrest frame is provided with a first clamping groove;

[0012] Through the technical scheme, the supporting plate can be clamped and installed on the backrest frame through the installation clamping strip.

[0013] Further, the upper part of the outer wall of the front end of the supporting plate is fixedly connected with a mounting plate, and the outer wall of the front end of the mounting plate is fixedly connected with a soft pad;

[0014] Through the technical scheme, after the upper backrest plate moves, the soft pad can support the head of the user.

[0015] Further, the guide slider slides in the guide rail;

[0016] Through the technical scheme, the upper backrest plate can smoothly slide on the clamping support plate.

[0017] Further, the lower part of the outer wall of the front end of the clamping support plate is provided with a positioning clamping groove, and the lower part of the outer wall of the rear end of the lower backrest plate is fixedly connected with a positioning clamping block;

[0018] Through the technical scheme, the lower backrest plate can be clamped and arranged on the clamping support plate through the clamping and matching between the positioning clamping groove and the positioning clamping block.

[0019] Further, the middle part of the outer wall of the rear end of the upper backrest plate is provided with a mounting groove;

[0020] Through the technical scheme, the L-shaped connecting block can be installed and fixed on the upper backrest plate through the mounting groove.

[0021] Further, the lower part of the outer wall of the rear end of the upper backrest plate is fixedly connected with a hinge;

[0022] Through the technical scheme, the upper backrest plate can be hingedly connected with the lower backrest plate through the hinge.

[0023] The utility model has the advantages of the following:

[0024] 1. Compared with the traditional bed backrest, the adjustable bed backrest has the following advantages: the upper backrest plate is connected to the backrest frame through the sliding connection of the guide sliding block and the guide rail, the mechanical sliding block is designed to adjust the bed backrest at any angle, the different sitting and lying needs of the user are met, the flexibility and comfort of the bed backrest are improved, the backrest cushion can be quickly and conveniently adjusted to a comfortable angle without occupying additional bed area, and therefore the bed backrest is especially suitable for small-space bedrooms and can effectively utilize limited space.

[0025] 2. Compared with the traditional bed backrest, the adjustable bed backrest has the following advantages: the simple structure of the bed backrest has fewer components, the possibility of failure and damage is reduced, the frequency of maintenance and replacement of components is reduced, the long-term use cost is saved, the simple mechanism is easy to understand and operate, the failure probability of the relatively complex mechanism is lower, and therefore the overall reliability of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic view of the adjustable bed backrest according to the utility model;

[0027] Figure 2 FIG. 2 is an exploded schematic view of the adjustable bed backrest according to the utility model;

[0028] Figure 3 FIG. 3 is a structural schematic view of the lower backrest plate of the adjustable bed backrest according to the utility model;

[0029] Figure 4 FIG. 4 is a structural schematic view of the clamping support plate of the adjustable bed backrest according to the utility model;

[0030] Figure 5 FIG. 5 is a structural schematic view of the fixing block of the adjustable bed backrest according to the utility model.

[0031] LEGEND:

[0032] 1. backrest frame; 2. first clamping groove; 3. support plate; 4. mounting clamping strip; 5. mounting plate; 6. soft cushion; 7. guide rail; 8. second clamping groove; 9. clamping support plate; 10. positioning clamping groove; 11. guide groove; 12. upper backrest plate; 13. upper backrest cushion; 14. mounting groove; 15. L-shaped connecting block; 16. fixing block; 17. guide sliding block; 18. hinge; 19. lower backrest plate; 20. lower backrest cushion; 21. positioning clamping block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] One embodiment provided by the utility model:

[0035] With reference to Figure 1 、 2 , 4, an adjustable bed backrest, including backrest frame 1, the upper end of the middle part of the inner wall of both sides of backrest frame 1 is fixedly connected with guide rail 7, the front end of the inner wall of backrest frame 1 is provided with a plurality of second clamping grooves 8, the front end of the inner wall of backrest frame 1 is clamped and matched with clamping supporting plate 9, the outer wall of the upper part of the front end of clamping supporting plate 9 is provided with guide groove 11 on both sides, the outer wall of the front end of clamping supporting plate 9 is slidably connected with upper backrest plate 12, the outer wall of the front end of upper backrest plate 12 is fixedly connected with upper backrest pad 13, the outer wall of the rear end of upper backrest plate 12 is fixedly connected with L-shaped connecting block 15 on both sides, the upper end and the lower end of the outer wall of one side of L-shaped connecting block 15 are fixedly connected with fixed block 16, the middle part of the outer wall of one side of fixed block 16 is fixedly connected with guide sliding block 17, the lower end of upper backrest plate 12 is hingedly connected with lower backrest plate 19, and the outer wall of the front end of lower backrest plate 19 is fixedly connected with lower backrest pad 20. The simple structure of the bed backrest makes the components less, the possibility of failure and damage is reduced, thereby reducing the frequency of maintenance and replacement of components, saving the cost in long-term use, and the simple mechanism is easy to understand and operate, and the failure probability of relatively complex components is lower, so that the overall reliability of the product is improved.

[0036] With reference to Figure 1 、 2 , 4, the rear end of the inner wall of both sides of backrest frame 1 is provided with first clamping groove 2, first clamping groove 2 is arranged to enable support plate 3 to be clamped and matched with backrest frame 1 through mounting clamping strip 4, the rear end of the inner wall of backrest frame 1 is clamped and matched with support plate 3, the middle part of the outer wall of both sides of support plate 3 is fixedly connected with mounting clamping strip 4, so that support plate 3 can be clamped and installed on backrest frame 1 through mounting clamping strip 4, the upper part of the outer wall of the front end of support plate 3 is fixedly connected with mounting plate 5, and the outer wall of the front end of mounting plate 5 is fixedly connected with soft pad 6, so that after upper backrest plate 12 moves, soft pad 6 can support the head of the user, and guide sliding block 17 slides in the inside of guide rail 7, so that upper backrest plate 12 can stably slide on clamping supporting plate 9.

[0037] With reference toFigure 1 、 3 , 5, the lower part of the outer wall of the front end of the clamping support plate 9 is provided with a positioning clamping groove 10, the lower part of the outer wall of the rear end of the lower back plate 19 is fixedly connected with a positioning clamping block 21, through the clamping cooperation between the positioning clamping groove 10 and the positioning clamping block 21, so that the lower back plate 19 can be clamped and arranged on the clamping support plate 9, the middle part of the outer wall of the rear end of the upper back plate 12 is provided with a mounting groove 14 on both sides, through the setting of the mounting groove 14, so that the L-shaped connecting block 15 can be installed and fixed on the upper back plate 12, the lower part of the outer wall of the rear end of the upper back plate 12 is fixedly connected with a hinge 18 on both sides, through the setting of the hinge 18, so that the upper back plate 12 can be hingedly connected with the lower back plate 19.

[0038] Working principle: first, the bed backrest is bolted and fixed on the bed plate through the support plate 3, the lower back plate 19 is pulled to make the positioning clamping block 21 and the positioning clamping groove 10 disengage, the lower back plate 19 is adjusted to the suitable angle according to the individual needs, at the same time, the sliding connection between the guide rail 7 and the guide block 17, the upper back plate 12 is installed and connected with the guide block 17 through the L-shaped connecting block 15, which makes the user can adjust the height of the upper back plate 12, so that the lower back plate 19 can better fit on the bed plate, the user can rely on the upper back pad 13, the lower back pad and the soft pad 6.

[0039] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An adjustable bed backrest comprising a backrest frame (1), characterized in that: The upper end of the middle part of the inner wall of the backrest frame (1) on both sides is fixedly connected with a guide rail (7), a plurality of second clamping grooves (8) are arranged on the front end of the inner wall of the backrest frame (1), a clamping supporting plate (9) is connected and matched on the front end of the inner wall of the backrest frame (1), guide grooves (11) are arranged on the upper part of the outer wall of the front end of the clamping supporting plate (9) on both sides, an upper backrest plate (12) is slidably connected to the outer wall of the front end of the clamping supporting plate (9), an upper backrest pad (13) is fixedly connected to the outer wall of the front end of the upper backrest plate (12), L-shaped connecting blocks (15) are fixedly connected to the outer wall of the rear end of the upper backrest plate (12) on both sides, fixed blocks (16) are fixedly connected to the upper end and the lower end of the outer wall of one side of the L-shaped connecting block (15), guide sliding blocks (17) are fixedly connected to the middle part of the outer wall of one side of the fixed block (16), a lower backrest plate (19) is hingedly connected to the lower end of the upper backrest plate (12), and a lower backrest pad (20) is fixedly connected to the outer wall of the front end of the lower backrest plate (19).

2. An adjustable bed backrest according to claim 1, characterised in that: The rear end of the inner wall of the backrest frame (1) on both sides is provided with a first clamping groove (2).

3. An adjustable bed backrest according to claim 1, wherein: The rear end of the inner wall of the backrest frame (1) is connected and matched with a supporting plate (3), and the middle part of the outer wall of the supporting plate (3) on both sides is fixedly connected with a mounting clamping strip (4).

4. An adjustable bed backrest according to claim 3, characterised in that: The upper part of the outer wall of the front end of the supporting plate (3) is fixedly connected with a mounting plate (5), and the outer wall of the front end of the mounting plate (5) is fixedly connected with a soft pad (6).

5. An adjustable bed backrest according to claim 1, wherein: The guide sliding block (17) slides in the guide rail (7).

6. An adjustable bed backrest according to claim 1, wherein: The lower part of the outer wall of the front end of the clamping supporting plate (9) is provided with a positioning clamping groove (10), and the lower part of the outer wall of the rear end of the lower backrest plate (19) is fixedly connected with a positioning clamping block (21).

7. An adjustable bed backrest according to claim 1, wherein: The middle part of the outer wall of the rear end of the upper backrest plate (12) on both sides is provided with a mounting groove (14).

8. An adjustable bed backrest according to claim 1, wherein: The lower part of the outer wall of the rear end of the upper backrest plate (12) is fixedly connected with a hinge (18) on both sides.

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