Electric support of box bed

Abstract

The utility model belongs to the technical field of box body bed supports, in particular to an electric support of a box body bed, which comprises a bed frame and an openable bed board, a support for opening and closing the bed board is arranged between the bed board and the bed frame, and the support comprises a fixing rod fixed with the inner side of the bed frame and an overturning rod fixed with the bed board. The same ends of the fixing rod and the overturning rod are hinged to a switching rod, the other end of the fixing rod and the middle of the overturning rod are further hinged to a supporting rod, an electric rod capable of being independently disassembled and assembled is further arranged between the fixing rod and the overturning rod, and a base of the electric rod is connected with the fixing rod through a switching base. The telescopic end of the electric rod is connected with the turnover rod through a switching pin and a sealing cover; the electric rod can independently replace a hydraulic rod or an air spring in an existing support, electric drive can be achieved without replacing the whole support, and the electric drive support has the advantages of being convenient to operate, high in adaptability and low in cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of box bed brackets, and particularly relates to an electric bracket for a box bed. Background Art

[0002] The box bed bracket is a support structure at the bottom of the box bed, usually made of metal or other strong materials to ensure the stability and load-bearing capacity of the bed body; the bracket is used to support the bed body, prevent the bed body from bending and deforming, and at the same time share the weight of the mattress and stored items, protecting the box bed from being affected by excessive loads. The brackets are also available in various sizes according to the size of the bed body;

[0003] The 1.5m bracket is one of them, commonly made of metal. After retrieval, the application (publication) number: CN204181282U discloses a lifter for a piece of furniture with a liftable bed frame. As shown in the figure, by relying on the force of a "gas spring" and then manually opening and closing it. Although the manually opened and closed bracket has a low cost, it is not very convenient to use, especially for special groups such as the "elderly, the weak, the sick, the disabled, and pregnant women". Although there are also many electric brackets on the market, the entire bracket needs to be replaced and an experienced master is required to operate, which is obviously costly. If the "gas spring" can be replaced separately, the replacement cost can be reduced, and at the same time, electric drive can be achieved;

[0004] However, the sizes of the "gas spring" and the electric rod are inconsistent. As shown in the figure of the comparative document, the "gas spring" has a simple structure and a small volume, and the length of the bolt at the connection is limited. Obviously, the size of the electric rod will be larger than that of the "gas spring", and the length of the bolt at the original connection position cannot be directly connected to the electric rod, resulting in the inability to adapt the separately replaced electric rod to the original bracket;

[0005] To solve the above problems, an electric bracket for a box bed is proposed in this application. Content of the Utility Model

[0006] To solve the above problems existing in the prior art, the utility model provides an electric bracket for a box bed, which has the characteristics of low-cost realization of manual-to-electric opening and closing of the box bed board, high adaptability, and easy replacement.

[0007] To achieve the above object, the present utility model provides the following technical solutions: An electric support for a box bed, comprising a bed frame and an openable bed board. A support for opening and closing the bed board is provided between the bed board and the bed frame. The supports are symmetrically arranged in two groups and are distributed on both sides of the connection between the bed frame and the bed board. The support includes a fixed rod fixed to the inner side of the bed frame and a flipping rod fixed to the bed board. The same ends of the fixed rod and the flipping rod are hinged with a connecting rod. The other end of the fixed rod and the middle of the flipping rod are also hinged with a support rod. An independently detachable and installable electric rod is further provided between the fixed rod and the flipping rod. The base of the electric rod is connected to the fixed rod through a connecting seat, and the telescopic end of the electric rod is connected to the flipping rod through a connecting pin and a cover.

[0008] As a preferred technical solution of the present utility model, the electric rod is located inside the support and is distributed in a cross state with the support rod.

[0009] As a preferred technical solution of the present utility model, a fixing hole is provided on the fixed rod, and at least two mounting holes corresponding to the fixing hole are provided in the connecting seat. A connecting pin is fixed to the lower end of the side of the connecting seat away from the fixed rod, and a locking rod is integrally formed at the front end of the connecting pin.

[0010] As a preferred technical solution of the present utility model, an assembly seat sleeved outside the connecting pin is provided at the bottom of the electric rod, and the assembly seat is limited on the connecting pin through the locking rod and a bolt.

[0011] As a preferred technical solution of the present utility model, a connecting bolt is provided on the flipping rod. An assembly hole for inserting and connecting with the connecting pin is provided at the telescopic end of the electric rod. A first threaded counterbore for threadedly matching with the connecting bolt is provided at one end of the connecting pin, and a second threaded counterbore is provided at the other end of the connecting pin. At least two first screwing blocks are further provided outside the connecting pin.

[0012] As a preferred technical solution of the present utility model, the cover includes a polygonal sunk groove formed at one end, a locking screw rod formed at the other end and threadedly matching with the second threaded counterbore, and at least two second screwing blocks provided outside the cover.

[0013] As a preferred technical solution of the present utility model, one end of the connecting pin penetrates through the assembly hole and is locked with the cover.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The electric rod in the present utility model can individually replace the hydraulic rod or air spring in the existing support, and can be replaced relying on the installation positions provided on the support itself, without the need for professionals to drill holes, position, debug, etc. Electric drive can be achieved without replacing the entire support, which has the advantages of convenient operation, strong adaptability, and low cost;

[0016] Secondly, through the arranged adapter pin and cover, the telescopic end of the electric rod can be directly connected to the installation positions of the original hydraulic rod and the flipping rod, realizing replacement without the need to additionally drill installation holes, etc. The arranged adapter base is connected to the lower end of the electric rod and can be directly installed in the fixing holes of the fixing rod, without the need to additionally drill installation holes, etc., which has the advantages of convenient installation and high flexibility;

[0017] At the same time, a polygonal sunk groove is arranged in the cover, and the locking nuts at both ends of the original hydraulic rod can be removed without the aid of tools such as wrenches, and the adapter base can be connected to one end of the electric rod. The disassembly of the original hydraulic rod and the locking process of the electric rod can be realized through the polygonal sunk groove without the aid of external tools, which has the advantage of flexible use. Description of the Drawings

[0018] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0019] Figure 1 is a schematic structural diagram after the installation of the present invention;

[0020] Figure 2 is an enlarged schematic structural diagram of the electric bracket in the present invention;

[0021] Figure 3 is Figure 2 a schematic structural diagram from the bottom view;

[0022] Figure 4 is Figure 3 a schematic structural diagram of disassembly and partial sectioning of the flipping rod;

[0023] Figure 5 is a schematic structural diagram of the section at the connection of the electric rod, the adapter pin and the cover in the present invention;

[0024] Figure 6 is an enlarged schematic structural diagram of the adapter base in the present invention;

[0025] In the figures: 1, bed frame; 2, bed board; 3, bracket; 31, fixing rod; 311, fixing hole; 32, flipping rod; 321, connecting bolt; 33, adapter rod; 34, support rod; 4, electric rod; 41, assembly hole; 42, assembly seat; 5, adapter base; 51, installation hole; 52, connecting pin; 53, locking rod; 6, adapter pin; 61, first threaded sunk hole; 62, second threaded sunk hole; 63, first screwing block; 7, cover; 71, polygonal sunk groove; 72, second screwing block; 73, locking screw. Detailed Embodiments

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the protection scope of the present utility model.

[0027] Embodiment

[0028] Please refer to Figures 1-6 , the present utility model provides the following technical solutions: An electric bracket for a box bed, including a bed frame 1 and an openable bed board 2. A bracket 3 for opening and closing the bed board 2 is provided between the bed board 2 and the bed frame 1. The bracket 3 is symmetrically arranged in two groups and distributed on both sides of the connection between the bed frame 1 and the bed board 2. The bracket 3 includes a fixed rod 31 fixed to the inner side of the bed frame 1 and a turning rod 32 fixed to the bed board 2. A connecting rod 33 is hinged at the same end of the fixed rod 31 and the turning rod 32. A support rod 34 is also hinged between the other end of the fixed rod 31 and the middle of the turning rod 32. An independently detachable and installable electric rod 4 is further provided between the fixed rod 31 and the turning rod 32. The base of the electric rod 4 is connected to the fixed rod 31 through an adapter seat 5, and the telescopic end of the electric rod 4 is connected to the turning rod 32 through an adapter pin 6 and a cover 7. In this embodiment, the upper end of the electric rod 4 is adapted to the upper end of the original hydraulic rod connected through the adapter pin 6 and the cover 7, and the lower end can be adapted to the self - contained fixing hole 311 on the fixed rod 31 through the adapter seat 5. Thus, without replacing the overall structure of the bracket 3, the traditional hydraulic rod can be replaced by the electric rod 4 to achieve low - cost manual - to - electric conversion.

[0029] Specifically, the electric rod 4 is located inside the bracket 3 and is distributed in a crossed state with the support rod 34. In this embodiment, the installation position of the electric rod 4 can not only be adapted to the installation position of the traditional hydraulic rod, but also achieve the best support effect on the bracket 3. The electric rod 4 located inside will not affect the contraction or expansion of the bracket 3.

[0030] Specifically, fixing holes 311 are provided on the fixed rod 31. At least two installation holes 51 corresponding to the fixing holes 311 are provided in the adapter seat 5. A connecting pin 52 is fixed to the lower end on the side of the adapter seat 5 away from the fixed rod 31. A locking rod 53 is integrally formed at the front end of the connecting pin 52. In this embodiment, the fixing holes 311 are the self - contained structures produced by the fixed rod 31. By providing the installation holes 51 to be adapted to it, there is no need to replace or adjust the fixed rod 31 or the fixing holes 311, which has higher adaptability.

[0031] Specifically, an assembly seat 42 sleeving outside the connecting pin 52 is provided at the bottom of the electric rod 4. The assembly seat 42 is limited on the connecting pin 52 through a locking rod 53 and a bolt. In this embodiment, after the assembly seat 42 is sleeved on the connecting pin 52, one end is blocked and limited by the adapter seat 5, and the other end is blocked by the spiral of the nut and the locking rod 53, so that the lower end of the electric rod 4 is limited, and at the same time, the telescopic movement of the electric rod 4 is not affected.

[0032] Specifically, a connecting bolt 321 is provided on the turning rod 32. An assembly hole 41 inserted and connected with the adapter pin 6 is opened at the telescopic end of the electric rod 4. A first threaded counterbore 61 threadedly matched with the connecting bolt 321 is opened at one end of the adapter pin 6, and a second threaded counterbore 62 is opened at the other end of the adapter pin 6. At least two first screwing blocks 63 are further provided outside the adapter pin 6. In this embodiment, the connecting bolt 321 is the connecting end of the upper part of the original hydraulic rod. By providing the adapter pin 6, it can not only be connected with the connecting bolt 321, but also form a support between the turning rod 32 and the electric rod 4, so as to adapt to the installation of the electric rod 4 with a size larger than that of the traditional hydraulic rod, and at the same time, the structure and position of the original turning rod 32 and the connecting bolt 321 do not need to be changed.

[0033] Specifically, the cover 7 includes a polygonal sink 71 formed at one end, a locking screw 73 formed at the other end and threadedly matched with the second threaded counterbore 62, and at least two second screwing blocks 72 provided outside the cover 7. In this embodiment, the model of the polygonal sink 71 is mutually adapted to the fixing nut of the original hydraulic rod, the fixing nut of the bolt passing through the mounting hole 51, and the nut cooperating with the locking rod 53. Therefore, no external tool is needed during the replacement of the traditional hydraulic rod and the installation of the electric rod 4, which has reliable flexibility.

[0034] Specifically, one end of the adapter pin 6 penetrates through the assembly hole 41 and is locked with the cover 7. In this embodiment, after the adapter pin 6 penetrates through the assembly hole 41, one end is blocked by the first screwing block 63, and the other end is blocked by the cover 7, so that the upper end of the electric rod 4 is stably connected and the telescopic movement is not affected.

[0035] The working principle and usage process of the utility model:

[0036] Replacement of the electric rod 4: Place the adapter seat 5 at the corresponding position of the fixed rod 31. The bolt passes through the fixing hole 311 and the mounting hole 51, and use the polygonal counterbore 71 and the second screwing block 72 in the cover 7 to tighten the nut in the adapter seat 5. At this time, the adapter seat 5 is fixed. Use the polygonal counterbore 71 and the second screwing block 72 in the cover 7 to remove the nuts at both ends of the original hydraulic rod, take out the original hydraulic rod from the side, remove the bolt connecting the original hydraulic rod on the support rod 34, keep the position of the connecting bolt 321 unchanged, screw the first threaded counterbore 61 on the adapter pin 6 with the connecting bolt 321 and lock it on the turning rod 32. Docking the assembly hole 41 at the upper end and the assembly seat 42 at the bottom of the electric rod 4 to the outside of the adapter pin 6 and the connecting pin 52 respectively, and use the polygonal counterbore 71 and the second screwing block 72 to lock the nut outside the locking rod 53. The lower end of the electric rod 4 is completed. Then thread-lock the locking screw rod 73 on the cover 7 with the second threaded counterbore 62, and the upper end of the electric rod 4 is completed.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric support for a box bed, comprising a bed frame (1) and an openable bed board (2), characterized in that: A bracket (3) for opening and closing the bed board (2) is provided between the bed board (2) and the bed frame (1); the bracket (3) is symmetrically arranged in two groups and distributed on both sides of the connection between the bed frame (1) and the bed board (2); the bracket (3) comprises a fixing rod (31) fixed to the inner side of the bed frame (1) and a flip rod (32) fixed to the bed board (2); a transfer rod (33) is hingedly connected to the same end of the fixing rod (31) and the flip rod (32); a support rod (34) is hingedly connected to the middle part of the flip rod (32) at the other end of the fixing rod (31); an independently detachable electric rod (4) is also provided between the fixing rod (31) and the flip rod (32); the base of the electric rod (4) is connected to the fixing rod (31) through a transfer seat (5); and the telescopic end of the electric rod (4) is connected to the flip rod (32) through a transfer pin (6) and a cover (7).

2. The electric support for a box bed according to claim 1, characterized in that: The electric rod (4) is located inside the bracket (3) and is distributed in a cross state with the support rod (34).

3. The electric support for a box bed according to claim 1, characterized in that: The fixing rod (31) is provided with a fixing hole (311), the adapter seat (5) is provided with at least two mounting holes (51) corresponding to the fixing holes (311), a connecting pin (52) is fixed to the lower end of the adapter seat (5) away from the fixing rod (31), and a locking rod (53) is integrally formed at the front end of the connecting pin (52).

4. The electric support for a box bed according to claim 3, characterized in that: The bottom of the electric rod (4) is provided with an assembly seat (42) sleeved on the outside of the connecting pin (52), and the assembly seat (42) is limited on the connecting pin (52) by a locking rod (53) and a bolt.

5. The electric support for a box bed according to claim 1, characterized in that: The flip rod (32) is provided with a connecting bolt (321); the telescopic end of the electric rod (4) is provided with an assembly hole (41) plugged and connected with the transfer pin (6); one end of the transfer pin (6) is provided with a No. 1 threaded countersunk hole (61) threadedly matched with the connecting bolt (321); the other end of the transfer pin (6) is provided with a No. 2 threaded countersunk hole (62); and at least two No. 1 screw blocks (63) are also provided on the outside of the transfer pin (6).

6. The electric support for a box bed according to claim 5, characterized in that: The sealing cover (7) comprises a polygonal recess (71) formed at one end, a locking screw (73) formed at the other end and threadably matched with the No. 2 threaded countersunk hole (62), and at least two No. 2 screw blocks (72) arranged outside the sealing cover (7).

7. The electric support for a box bed according to claim 6, characterized in that: One end of the transfer pin (6) passes through the assembly hole (41) and is locked with the sealing cover (7).

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