Connecting device and folding bed

Abstract

The utility model relates to the technical field of folding beds, in particular to a connecting device and a folding bed, the folding bed is provided with at least two folding bed supports, and the folding bed supports are provided with supporting legs; the connecting device comprises at least two fixing assemblies, each fixing assembly comprises a limiting assembly and a locking assembly, each limiting assembly is provided with a limiting space capable of containing one supporting leg, and each locking assembly can rotate between a first limiting position and a second limiting position relative to the corresponding locking assembly; the connecting assembly is arranged between the supporting legs of the two adjacent unfolded folding bed supports, and the two ends of the connecting assembly are fixedly connected with the at least two fixing assemblies respectively; under the condition that the locking assemblies are located at the second limiting positions, the locking assemblies are fixedly connected with the corresponding fixing assemblies, and at least part of the locking assemblies abut against the supporting legs; according to the folding bed, the connection strength after the folding bed is unfolded is guaranteed, the bed frame can be prevented from shaking in the use process of the folding bed, and then the use experience of a user is provided.

Description

Technical Field

[0001] This utility model relates to the field of folding bed technology, and in particular to a connecting device and a folding bed. Background Technology

[0002] In existing folding bed structures, the stability after unfolding has always been a significant technical bottleneck affecting user experience and safety. Traditional folding beds typically employ hinge connections or multi-segment frame designs, using locking mechanisms to secure the unfolded state. However, such structures still suffer from drawbacks in practical use: insufficient rigidity at the hinge points or low reliability of the locking mechanisms, which reduces the overall structural stability. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model can ensure the connection strength of the folding bed after it is unfolded, and can prevent the bed frame from shaking during use, thereby improving the user experience.

[0004] This utility model provides a connecting device for a folding bed, the folding bed having at least two folding bed supports, each folding bed support having support legs; the connecting device is used to fix the support legs of two adjacent unfolded folding bed supports, the connecting device comprising:

[0005] At least two fixing components, including a limiting component and a locking component, the limiting component having a limiting space capable of accommodating one of the support legs, and the locking component being rotatable relative to the locking component between a first limit position and a second limit position;

[0006] A connecting assembly is disposed between the support legs of two adjacent unfolded folding bed frames, and both ends of the connecting assembly are respectively fixedly connected to the at least two fixing components;

[0007] When the locking component is in the second extreme position, the locking component is fixedly connected to the corresponding fixing component, and at least a portion of the locking component abuts against the support leg.

[0008] Furthermore, the locking assembly includes a rotating shaft and a rotating member sleeved on the rotating shaft, the rotating member being rotatable relative to the rotating shaft;

[0009] The first end of the rotating shaft is rotatably connected to the limiting component, and the second end of the rotating shaft is provided with the rotating element;

[0010] The limiting component is provided with a first locking groove. When the locking component is rotated to the second limit position, the rotating part is locked and fixed with the first locking groove.

[0011] Furthermore, a first abutting part, a first locking part, and a second abutting part are sequentially provided on the rotating member facing the first end of the rotating shaft;

[0012] The first abutting part abuts against the limiting component, the first snap-fit ​​part matches the size of the first snap-fit ​​groove, and the side wall of the second abutting part abuts against the support leg disposed in the limiting space.

[0013] Furthermore, the cross-sections of the first abutting portion, the first snap-fit ​​portion, and the second abutting portion are all circular;

[0014] The diameters of the first abutting portion, the first snap-fit ​​portion, and the second abutting portion decrease sequentially.

[0015] Furthermore, the rotating shaft is provided with an external thread, and the rotating component is provided with an internal thread that matches the external thread; the rotating shaft and the rotating component are threadedly connected.

[0016] Furthermore, the limiting component has a U-shaped cross-section, and the locking component is disposed at the open end of the U-shaped structure.

[0017] Furthermore, the first snap-fit ​​groove is a U-shaped groove, and one side opening of the first snap-fit ​​groove is located on the same side as the opening end of the U-shaped structure on the limiting component.

[0018] Furthermore, the connecting component includes a first connector and a second connector sleeved on the first connector;

[0019] The first end of the first connector is fixedly connected to at least one of the locking components, the second end of the first connector is snapped and fixed to the first end of the second connector, and the second end of the second connector is fixedly connected to at least one of the locking components.

[0020] Furthermore, either the first connector or the second connector may be provided with at least one second snap-fit ​​groove, and the other may be provided with at least one second snap-fit ​​portion that mates with it;

[0021] Both the at least one second snap-fit ​​portion and the at least one second snap-fit ​​slot are arranged along the length direction of the connecting assembly.

[0022] This utility model also protects a folding bed, including at least two folding bed supports and the connecting device as described above;

[0023] The folding bed frame has support legs, and the connecting device is used to fix the support legs of two adjacent unfolded folding bed frames.

[0024] Implementing the embodiments of this utility model has the following beneficial effects:

[0025] This utility model achieves fixed connection of the support legs of two adjacent folding bed frames in the unfolded state by setting up mutually cooperating fixing components and connecting components, thereby fixing the two adjacent folding bed frames. Setting up the above connecting device can simplify the connection structure, reduce costs, ensure the connection strength after the folding bed is unfolded, and prevent the bed frame from shaking during use, thus improving the user experience. Attached Figure Description

[0026] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of this utility model. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0027] Figure 1 This is a structural diagram of the connecting device after it is connected to the support leg in the first case of this embodiment;

[0028] Figure 2 This embodiment shows the locking assembly in its first extreme position, and the structural diagram after the connecting device is connected to the support leg.

[0029] Figure 3 This embodiment shows the structure of the locking assembly between the first and second extreme positions, and the connection device connected to the support leg.

[0030] Figure 4 This embodiment shows the locking assembly in its second extreme position, and the structural diagram after the connecting device is connected to the support leg.

[0031] Figure 5 This is a structural diagram of the connecting device after it is connected to the support leg in the second case of this embodiment;

[0032] Figure 6 This embodiment shows the locking assembly in its first extreme position, and the structural diagram after the connecting device is connected to the support leg.

[0033] Figure 7 This embodiment shows the locking assembly in its second extreme position, and the structural diagram after the connecting device is connected to the support leg.

[0034] Figure 8 This is a structural diagram of the folding bed described in this embodiment.

[0035] The corresponding reference numerals in the figure are:

[0036] 1-Fixing component; 2-Connecting component; 3-Folding bed frame; 11-Limiting component; 12-Locking component; 21-Rotating shaft; 22-Rotating component; 31-Supporting leg; 111-First locking groove; 221-First abutting part; 222-First locking part; 223-Second abutting part. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0038] The term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. In the description of the present invention, it should be understood that the terms "upper," "lower," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the present invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0040] See appendix Figures 1 to 8This embodiment provides a connecting device for a folding bed. The folding bed has at least two folding bed supports 3, and each folding bed support 3 has a support leg 31. The connecting device is used to fix the support legs 31 of two adjacent unfolded folding bed supports 3. The connecting device includes: at least two fixing components 1, including a limiting component 11 and a locking component 12. The limiting component 11 has a limiting space capable of accommodating one support leg 31, and the locking component 12 is rotatable relative to the locking component 12 between a first limit position and a second limit position; and a connecting component 2 disposed between the support legs 31 of the two adjacent unfolded folding bed supports 3, with both ends of the connecting component 2 respectively connected to at least two fixing components 1. Component 1 is fixedly connected; when the locking component 12 is in the second extreme position, the locking component 12 is fixedly connected to the corresponding fixing component 1, and at least part of the locking component 12 abuts against the support leg 31; this utility model achieves fixed connection of the support legs 31 of two adjacent folding bed frames 3 in the unfolded state by setting the mutually cooperating fixing component 1 and connecting component 2, thereby achieving the fixation of the two adjacent folding bed frames 3. Setting the above connecting device can simplify the connection structure, reduce costs, ensure the connection strength after the folding bed is unfolded, and prevent the bed frame from shaking during use, thereby improving the user experience.

[0041] It is understood that in this embodiment, in order to fix the unfolded folding bed frame 3, a connecting device is set on the support leg 31 of the adjacent folding bed frame 3 to fix the adjacent folding bed frame 3, that is, to control the locking component 12 to rotate relative to the limiting component 11, so that the locking component 12 locks and fixes the support leg 31.

[0042] In this embodiment, the connecting device can be installed on two adjacent folding bed supports 3. In a folding bed, the difference between the folding bed support 3 and the connecting device is 1.

[0043] In this embodiment, the shape of the limiting space is adapted to the cross-sectional shape of the support leg 31.

[0044] In this embodiment, at least one fixing component 1 is provided at each of the opposite ends of the connecting component 2. The fixing components 1 at the opposite ends of the connecting component 2 are respectively fixedly connected to the support legs 31 on the two adjacent folding bed frames 3 to achieve the fixing of the adjacent folding bed frames 3.

[0045] In this embodiment, the number of fixing components 1 in the connecting device is not limited, as long as it can fix the adjacent folding bed frame 3 in the unfolded state.

[0046] Preferably, the connecting device includes two fixing components 1, that is, a fixing component 1 is respectively provided at each of the opposite ends of the connecting component 2, and the two fixing components 1 are symmetrically arranged at both ends of the connecting component 2.

[0047] In this embodiment, the relative positional state between the fixing component 1 and the connecting component 2 includes a loosened state and a locked state; the loosened state corresponds to the first extreme position of the locking component 12, and the locked state corresponds to the second extreme position of the locking component 12; specifically, when the locking component 12 is in the first extreme position, the fixing component 1 and the connecting component 2 are in the loosened state, that is, the support leg 31 has not yet been limited and fixed; when the locking component 12 is in the second extreme position, the fixing component 1 and the connecting component 2 are in the locked state, that is, the support leg 31 set in the connecting component 2 can be locked and fixed.

[0048] In some possible embodiments, the locking assembly 12 includes a rotating shaft 21 and a rotating member 22 sleeved on the rotating shaft 21, the rotating member 22 being rotatable relative to the rotating shaft 21; the first end of the rotating shaft 21 is rotatably connected to the limiting assembly 11, and the second end of the rotating shaft 21 is provided with the rotating member 22; the limiting assembly 11 is provided with a first engaging groove 111, when the locking assembly 12 rotates to the second limit position, the rotating member 22 is engaged and fixed with the first engaging groove 111. By setting the rotating shaft 21 and the rotating member 22 that cooperate with each other, the rotating member 22 can be engaged and fixed with the first engaging groove 111, thus achieving the effect of simplifying the structure and ensuring connection stability.

[0049] In this embodiment, the rotating shaft 21 is rotatably connected to the limiting component 11 via a pin, and the rotating component 22 can rotate around the axis of the rotating shaft 21 to move along the length of the rotating shaft 21, thereby locking and fixing the rotating component 22 to the limiting component 11.

[0050] In some possible embodiments, the rotating element 22 is a wheel with internal threads.

[0051] In some possible embodiments, a first abutment portion 221, a first latching portion 222, and a second abutment portion 223 are sequentially provided on the rotating member 22 facing the first end of the rotating shaft 21. The first abutment portion 221 abuts against the limiting component 11, the first latching portion 222 matches the size of the first latching groove 111, and the side wall of the second abutment portion 223 abuts against the support leg 31 disposed in the limiting space. By providing the first abutment portion 221, the first latching portion 222, and the second abutment portion 223 on the rotating member 22, it is possible to achieve that while the first abutment portion 221 abuts against and is fixed to the limiting component 11, the second abutment portion 223 can also abut against the support leg 31 disposed in the limiting space. This can achieve the fixation of the support leg 31, prevent the support leg from shaking in the limiting space, and thus prevent the folding bed from shaking, thereby ensuring the support stability of the folding bed after it is unfolded.

[0052] In this embodiment, the first abutting part 221, the first snap-fit ​​part 222, and the second abutting part 223 are all stepped structures provided on the rotating body.

[0053] Specifically, when the locking component 12 is in the locked state, the locking component 12 is in the second limit position. At this time, the first abutting part 221 abuts against the limiting component 11, the second snap-fit ​​part 222 is disposed in the first snap-fit ​​groove 111, and the second abutting part 223 abuts against the support leg 31. In this way, the support leg 31 can be fixed in the limiting space.

[0054] In some possible embodiments, the cross-sections of the first abutment portion 221, the first latching portion 222, and the second abutment portion 223 are all circular; the diameters of the first abutment portion 221, the first latching portion 222, and the second abutment portion 223 decrease sequentially. By setting the diameters of the first abutment portion 221, the first latching portion 222, and the second abutment portion 223 to decrease sequentially, it can be ensured that the second abutment portion 223 abuts against the support leg 31 after passing through the first latching groove 111, that is, it can be ensured that the locking assembly 12 can lock the support leg 31, thus ensuring the connection stability between the locking assembly 12 and the limiting assembly 11.

[0055] In this embodiment, the size of the first snap-fit ​​portion 222 is adapted to the size of the first snap-fit ​​groove 111. Specifically, the diameter of the first snap-fit ​​portion 222 is equal to the width of the first snap-fit ​​groove 111, and the thickness of the first snap-fit ​​portion 222 is equal to the groove depth of the first snap-fit ​​groove 111.

[0056] In some possible embodiments, the rotating shaft 21 is provided with an external thread, and the rotating component 22 is provided with an internal thread that matches the external thread. The rotating shaft 21 and the rotating component 22 are threadedly connected. By setting the rotating shaft 21 and the rotating component 22 as a threaded connection, the connection structure and locking operation can be simplified while ensuring the locking effect on the limiting component 11 and the support leg 31 set in the limiting component 11.

[0057] In this embodiment, the external thread of the rotating shaft 21 is provided at the second end of the rotating shaft 21, and the length of the external thread of the rotating shaft 21 is not greater than half the length of the rotating shaft 21.

[0058] In some possible embodiments, the limiting component 11 has a U-shaped cross-section, and the locking component 12 is disposed at the open end of the U-shaped structure. By rotatably disposing the locking component 12 at the open end of the U-shaped structure, it is possible to ensure that the limiting component 11 can quickly engage the support leg 31, while ensuring that the locking component 12 can lock the support leg 31, thus ensuring connection stability.

[0059] In this embodiment, the limiting component 11 has a U-shaped cross-section. When the connecting device includes two fixing components 1, the opening ends of the U-shaped structures of the two fixing components 1 are all facing away from the folding bed frame 3, and the opening ends of the U-shaped structures of the two fixing components 1 are respectively facing the folding bed frame 3 connected to them.

[0060] In some possible embodiments, the first locking groove 111 is a U-shaped groove, and the opening on one side of the first locking groove 111 and the opening end of the U-shaped structure are located on the same side of the limiting component 11. By setting the opening on the same side, the locking arrangement can be simplified and the locking speed can be improved.

[0061] In this embodiment, the first snap-fit ​​groove 111 can first accommodate the rotating shaft 21, and then accommodate the first snap-fit ​​part 222 to achieve abutment and fixation of the support leg 31 set in the limiting space.

[0062] In some possible embodiments, the connecting component 2 includes a first connector and a second connector sleeved on the first connector; the first end of the first connector is fixedly connected to at least one locking component 12, the second end of the first connector is snapped and fixed to the first end of the second connector, and the second end of the second connector is fixedly connected to at least one locking component 12. By setting the first connector and the second connector, different distances can be adapted, thus adapting to various folding bed frames and improving the adaptability range of the connecting device.

[0063] In this embodiment, the second connector can slide relative to the first connector along the axial direction of the first connector. When the overall length of the connecting component 2 is adapted to the required connection length of the two adjacent folding bed supports 3, the first connector and the second connector are locked together to achieve a stable connection between the first connector and the second connector.

[0064] In this embodiment, the first connector and the second connector are tubular structures. The cross-sectional shape of the first connector and the second connector is not limited and can be set according to the actual situation.

[0065] In some possible embodiments, one of the first connector and the second connector is provided with at least one second snap-fit ​​groove, and the other is provided with at least one second snap-fit ​​part that mates with it; both the at least one second snap-fit ​​part and the at least one second snap-fit ​​groove are arranged along the length direction of the connecting component 2. By providing mutually mate second snap-fit ​​parts and second snap-fit ​​grooves, the installation stability of the first connector and the second connector can be achieved. At the same time, by setting the second snap-fit ​​part in the second snap-fit ​​groove at different positions, the length of the connecting component 2 can be adjusted, thereby adapting to folding bed frames of different sizes and thus improving the adaptability range of the connecting device.

[0066] Preferably, when the second locking part is provided in the first connector, the second locking part can move radially toward the axis of the first connector under the action of external force, and can be reset when the external force is removed.

[0067] Installation and locking process of the connecting device: The limiting components 11 set at opposite ends of the connecting component 2 are respectively snapped onto the support legs 31 of the adjacent folding bed frame 3. The rotating shafts 21 on both sides are rotated to drive the rotating parts 22 to rotate toward their corresponding support legs 31, until the rotating shafts 21 move into the first snap-fit ​​groove 111. The rotating parts 22 are rotated to move toward the limiting components 11, until the first snap-fit ​​part moves into the first snap-fit ​​groove 111. At this time, the second abutting part 223 abuts against its corresponding support leg 31, and the first abutting part 221 is fixed with the limiting components 11. At this time, the locking and fixing of the support legs 31 is completed.

[0068] This utility model also protects a folding bed, including at least two folding bed supports 3 and the connecting device as described above; the folding bed support 3 has support legs 31, and the connecting device is used to fix the support legs 31 of two adjacent unfolded folding bed supports 3; the folding bed has at least two folding bed supports 3 and the connecting device as described above, the connecting device achieves fixed connection of the support legs 31 of two adjacent folding bed supports 3 in the unfolded state by setting mutually cooperating fixing components 1 and connecting components 2, thereby achieving the fixation of the two adjacent folding bed supports 3. Setting the connecting device as described above can simplify the connection structure, reduce costs, ensure the connection strength after the folding bed is unfolded, and prevent the bed frame from shaking during use, thereby improving the user experience.

[0069] It is understood that the implementations shown in the accompanying drawings are merely preferred examples of this application. In actual products, the above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical applications, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

[0070] Where there is no conflict, the above embodiments and features described herein can be combined with each other.

[0071] The above-disclosed embodiment is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A connecting device for a folding bed, said folding bed having at least two folding bed supports (3), said folding bed supports (3) having a support leg (31); characterized in that, The connecting device is used for fixing support legs (31) of two adjacent unfolded folding bed supports (3), and comprises: At least two fixing assemblies (1) comprising a limiting assembly (11) and a locking assembly (12), the limiting assembly (11) has a limiting space capable of accommodating one support leg (31), and the locking assembly (12) is capable of rotating relative to the locking assembly (12) between a first limit position and a second limit position; A connecting assembly (2) is arranged between the support legs (31) of two adjacent unfolded folding bed supports (3), and two ends of the connecting assembly (2) are fixedly connected with the at least two fixing assemblies (1) respectively; In the case that the locking assembly (12) is in the second limit position, the locking assembly (12) is fixedly connected with the fixing assembly (1) corresponding thereto, and at least part of the locking assembly (12) abuts against the support leg (31).

2. The connection device according to claim 1, characterized in that The locking assembly (12) comprises a rotating shaft (21) and a rotating piece (22) sleeved on the rotating shaft (21), and the rotating piece (22) is capable of rotating relative to the rotating shaft (21); A first end of the rotating shaft (21) is rotatably connected with the limiting assembly (11), and a second end of the rotating shaft (21) is provided with the rotating piece (22); A first clamping groove (111) is arranged on the limiting assembly (11), and the rotating piece (22) is clamped and fixed with the first clamping groove (111) in the case that the locking assembly (12) rotates to the second limit position.

3. The connection device according to claim 2, characterized in that A first abutting portion (221), a first clamping portion (222) and a second abutting portion (223) are sequentially arranged on the rotating piece (22) towards one side of the first end of the rotating shaft (21); The first abutting portion (221) abuts against the limiting assembly (11), the first clamping portion (222) is matched with the size of the first clamping groove (111), and a side wall of the second abutting portion (223) abuts against the support leg (31) arranged in the limiting space.

4. The connection device according to claim 3, characterized in that The first abutting portion (221), the first clamping portion (222) and the second abutting portion (223) are all circular in cross section; The diameter of the first abutting portion (221), the diameter of the first clamping portion (222) and the diameter of the second abutting portion (223) sequentially decrease.

5. The connection device of claim 2, wherein An external thread is arranged on the rotating shaft (21), an internal thread matched with the external thread is arranged on the rotating piece (22), and the rotating shaft (21) and the rotating piece (22) are threadedly connected.

6. The connection device of claim 1, wherein The limiting assembly (11) is in U-shaped structure in cross section, and the locking assembly (12) is arranged at an open end of the U-shaped structure.

7. The connection device according to claim 6, characterized in that The first clamping groove (111) is a U-shaped groove, and one side opening of the first clamping groove (111) is arranged at the same side of the open end of the U-shaped structure.

8. The connection device according to any one of claims 1-7, characterized in that The connecting assembly (2) comprises a first connecting piece and a second connecting piece sleeved on the first connecting piece; The first end of the first connecting piece is fixedly connected with at least one locking assembly (12), the second end of the first connecting piece is fixedly connected with the first end of the second connecting piece, and the second end of the second connecting piece is fixedly connected with at least one locking assembly (12).

9. The connection device according to claim 8, characterized in that The first connecting piece and the second connecting piece are alternatively provided with at least one second clamping groove and at least one second clamping part matched with the second clamping groove; The at least one second clamping part and the at least one second clamping groove are arranged along the length direction of the connecting assembly (2).

10. A foldable bed characterized by The connecting device comprises at least two folding bed supports (3) and the connecting device as claimed in any one of claims 1-9; The folding bed support (3) has a supporting leg (31), and the connecting device is used for fixing the supporting legs (31) of two adjacent unfolded folding bed supports (3).

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