Linkage folding bed
By designing a linkage folding bed, using the cylindrical slider and lever principle, combined with elastic support and universal wheel, the existing accompanying chair is solved for complex and laborious operation, and efficient and simple folding operation is achieved.
Patent Information
- Application Number
- CN202421638945.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-11
AI Technical Summary
When the existing escort chair is changed from a bed state to a chair, it is complicated and laborious to operate, requiring people to stand between the bed boards to lift and push to complete the folding.
A linked folding bed is designed. By rotating the bed plate one, the bed plate two and the bed plate three in sequence, using the cylindrical slide rod and lever principle, combined with the elastic support and the universal wheel, the automatic angle formation and gradual verticalization of the bed plate is achieved, simplifying the operation process.
It realizes simple and efficient folding from bed state to chair state, reducing the complexity and effort of operation and improving the convenience of use.
Smart Images

Figure CN222751728U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of folding beds, in particular to a linkage folding bed. Background Art
[0002] The accompanying chair is a foldable accompanying chair for medical wards. It can be used for sitting or lying, and can be folded up to reduce the occupied space. It can be used as an accompanying bed in the medical ward or as a widened bed to place treatment devices and items. It is easy to use.
[0003] The accompanying chair can be turned into a bed after unfolding, but when changing from a bed to a chair, the person needs to stand between the head bed board and the middle bed board, lift and turn them, lift and fold them upward, and then push the foot bed board, so that the head bed board and the middle bed board are folded to form the backrest of the chair, and the foot bed board forms the seat cushion of the chair. Since the person stands on the outside between the head bed board and the middle bed board and lifts them up, he needs to push the foot bed board together, which is troublesome and laborious.
[0004] In summary, in order to solve the deficiencies in the prior art, a linkage folding bed with a simple structure needs to be designed. Utility Model Content
[0005] The utility model provides a linkage folding bed to solve the problems of the prior art.
[0006] The purpose of the utility model can be achieved through the following technical scheme: a linked folding bed comprises: a bed board one, a bed board two and a bed board three which are connected and rotated in sequence, a support frame one is provided at a lower end of the bed board, a support frame two is provided at a lower end of the bed board three, a sliding groove is provided in the support frame one, a cylindrical sliding rod is provided in the sliding groove, a pressure rod is fixed on the cylindrical sliding rod, a push rod is provided at the left end of the pressure rod, the push rod is located below the bed board one, a pedal is provided at the right end of the pressure rod, an elastic support member is provided on the support frame two, and the elastic support member is arranged at the lower end of the pedal.
[0007] As a further improvement, the elastic support member includes a guide post and a spring, the guide post is slidably arranged on the second support frame, and the spring is sleeved on the guide post.
[0008] As a further improvement, both ends of the cylindrical slide rod are provided with limit blocks located outside the slide groove.
[0009] As a further improvement, universal wheels with brakes are provided at the bottom of the support frame 1 and the support frame 2.
[0010] As a further improvement, the bed board one, bed board two and bed board three are connected in sequence by hinges.
[0011] As a further improvement, the surfaces of the bed board one, bed board two and bed board three are provided with rubber pads.
[0012] Compared with the prior art, the utility model linkage folding bed has the following beneficial effects:
[0013] A person is at the rear end of the bed board three, and then steps on the pedal to make the pressure rod rotate counterclockwise, and the top rod at the left end of the pressure rod is tilted to push up the bed board one, so that the left side of the bed board one is lifted clockwise, which will drive the right side of the bed board two to rotate counterclockwise and lift up, forming an angle between the bed board one and the bed board two, and then pushing the bed board three to the right from the rear end will make the bed board two gradually move closer to the bed board one, at this time you can release the pedal, and the bed board one and the bed board two are gradually moved to the right and erected under the continuous push of the bed board three to form a chair back, and at the same time, the pressure rod of the bed board three moves to the right along the sliding groove during the pushing process, which is simple and efficient to operate, and is convenient for the folding bed to be transformed into a chair, and more labor-saving.
[0014] The cylindrical slide bar is arranged close to the bed board one, and the lever principle is used to save effort in the process of stepping down the pedal to lift up the bed board one. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model
[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model
[0017] Figure 3 for Figure 2 Structural diagram of a partial position in the middle
[0018] Figure 4 for Figure 2 Structural diagram of the second enlarged view of the local position
[0019] In the figure, 1-bed board one, 11-support frame one, 12-sliding groove, 2-bed board two, 3-bed board three, 31-support frame two, 41-cylindrical sliding rod, 42-pressure rod, 43-top rod, 44-pedal, 5-elastic support member, 51-guide column, 52-spring, 6-limiting block, 7-universal wheel, 8-rubber pad. DETAILED DESCRIPTION
[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] Below is a combination of the embodiments and the attached Figures 1 to 4 , the technical solution of the utility model is further elaborated.
[0023] Example 1
[0024] A linkage folding bed comprises: a bed board 1, a bed board 2 and a bed board 3 which are connected and rotated in sequence, wherein the lower end of the bed board 1 is provided with a support frame 11, and the lower end of the bed board 3 is provided with a support frame 2 31, a sliding groove 12 is provided in the support frame 11, and a cylindrical slide rod 41 is provided in the sliding groove 12, a pressure rod 42 is fixed on the cylindrical slide rod 41, a push rod 43 is provided on the left end of the pressure rod 42, and the push rod 43 is located below the bed board 1, a pedal 44 is provided on the right end of the pressure rod 42, and an elastic support member 5 is provided on the support frame 2 31, and the elastic support member 5 is arranged at the lower end of the pedal 44.
[0025] like Figure 1 to Figure 4 As shown, the use principle of the utility model is as follows: a person is at the rear end of the bed board three 3, and then steps on the pedal 44 to rotate the pressure rod 42 counterclockwise, and the push rod 43 at the left end of the pressure rod 42 is tilted to push the bed board one 1 upward, so that the left side of the bed board one 1 is pushed up clockwise, which will drive the right side of the bed board two 2 to rotate counterclockwise and lift up, forming an angle between the bed board one 1 and the bed board two 2, and then pushing the bed board three 3 to the right from the rear end will make the bed board two 2 gradually move closer to the bed board one 1, at this time, the pedal 44 can be released, and the bed board one 1 and the bed board two 2 are gradually moved to the right and erected under the continuous push of the bed board three 3 to form a chair back. At the same time, the pressure rod 42 of the bed board three 3 moves to the right along the sliding slot 12 during the pushing process. The operation is simple and efficient, and the folding bed is convenient to transform into a chair.
[0026] The cylindrical slide bar 41 is arranged close to the bed board 1, and the lever principle is used to save effort in the process of stepping down the pedal 44 to lift up the bed board 1.
[0027] As a further preferred embodiment, the elastic support member 5 includes a guide column 51 and a spring 52, wherein the guide column 51 is slidably disposed on the support frame 2 31, and the spring 52 is sleeved on the guide column 51. The elastic support member 5 supports the bottom of the pedal 44 so that the pedal 44 will not fall downward when not in use, thereby ensuring space for stepping on.
[0028] As a further preferred embodiment, both ends of the cylindrical slide bar 41 are provided with limit blocks 6 located outside the slide groove 12 to prevent the cylindrical slide bar 41 from deviating forward and backward.
[0029] As a further preferred embodiment, the bottom of the support frame 1 11 and the support frame 2 31 are provided with universal wheels 7 with brakes to facilitate movement and locking.
[0030] As a further preferred embodiment, the bed board 1, bed board 2 and bed board 3 are connected in sequence by hinges.
[0031] As a further preferred embodiment, the surfaces of the bed board 1, bed board 2, and bed board 3 are provided with rubber pads 8 to improve the comfort of use.
[0032] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A linkage folding bed, characterized in that: include: The bed boards 1, 2 and 3 are connected and rotated in sequence, wherein a support frame 1 is provided at a lower end of the bed board, and a support frame 2 is provided at a lower end of the bed board 3. A sliding groove is provided in the support frame 1, and a cylindrical sliding rod is provided in the sliding groove. A pressure rod is fixed on the cylindrical sliding rod, and a push rod is provided at the left end of the pressure rod, and the push rod is located below the bed board 1. A pedal is provided at the right end of the pressure rod, and an elastic support member is provided on the support frame 2, and the elastic support member is arranged at the lower end of the pedal.
2. A linkage folding bed according to claim 1, characterized in that: The elastic support member comprises a guide post and a spring. The guide post is slidably arranged on the second support frame, and the spring is sleeved on the guide post.
3. The linkage folding bed according to claim 1, characterized in that: Both ends of the cylindrical slide rod are provided with limit blocks located outside the slide groove.
4. The linkage folding bed according to claim 1, characterized in that: Universal wheels with brakes are provided at the bottom of the support frame 1 and the support frame 2.
5. The linkage folding bed according to claim 1, characterized in that: The bed board one, bed board two and bed board three are connected in sequence through hinges.
6. The linkage folding bed according to claim 1, characterized in that: The surfaces of the bed board one, bed board two and bed board three are provided with rubber pads.