Multifunctional accompanying bed

Abstract

The utility model discloses a multifunctional accompanying bed which comprises a main bed frame and a folding bed frame, a brake wheel with a rotation locking function is arranged at the bottom of the main bed frame, the brake wheel is provided with a rotation control portion used for locking or unlocking, and the folding bed frame is in transmission connection with the rotation control portion through a connecting rod assembly. The connecting rod assembly is further connected with the main bed frame through a rotating fulcrum. The main bed frame is supported by the brake wheel and connected between the rotation control portion (brake control piece) of the brake wheel and the folding bed frame through the connecting rod assembly, the brake wheel is controlled to be locked or unlocked through the connecting rod assembly in the folding process of the folding bed frame, and the folding bed frame is simple in structure, safer and more reliable.

Description

Technical Field

[0001] The utility model relates to a nursing bed, in particular to a multifunctional nursing bed. Background Art

[0002] Chinese patent document number CN219206372U disclosed a folding accompanying bed with a brake function on June 20, 2023, including a folding bed body, the folding bed body includes a fixed frame, a movable seat, a first backrest cushion and a second backrest cushion, the fixed frame is provided with a lifting caster, a lifting drive connecting rod assembly and a brake drive steel wire, the lifting caster is connected to the lifting drive connecting rod assembly in a transmission manner, the lifting drive connecting rod assembly is provided with a spring, and the brake drive steel wire is connected between the lifting drive connecting rod assembly and the second backrest cushion. The lifting drive connecting rod assembly and the steel wire connection structure of this structure are relatively complex and need to be improved. Utility Model Content

[0003] The utility model aims to provide a multifunctional accompanying bed which has a simple and reasonable structure and is safe and reliable.

[0004] The purpose of the utility model is achieved in this way:

[0005] A multifunctional accompanying bed comprises a main bed frame and a folding bed frame. A brake wheel with a rotation locking function is provided at the bottom of the main bed frame. The brake wheel is provided with a rotation control part for locking or unlocking. The folding bed frame and the rotation control part are connected by a connecting rod assembly. The connecting rod assembly is also connected to the main bed frame through a rotation fulcrum.

[0006] The purpose of the utility model can also be solved by the following technical measures:

[0007] As a more specific solution, the connecting rod assembly includes a transmission shaft, a first connecting rod, a second connecting rod and a third connecting rod. The transmission shaft is transmission-connected to the rotation control part of the brake wheel, one end of the first connecting rod is transmission-connected to the transmission shaft, the other end of the first connecting rod is slidingly matched with the lower end of the second connecting rod, and the rotation fulcrum is provided between the two ends of the third connecting rod, and the two ends of the third connecting rod are rotationally connected to the upper end of the second connecting rod and the folding bed frame respectively.

[0008] As a further solution, the folding bed frame includes a headrest backrest sub-frame, a backrest main frame and a leg support which are folded and connected in sequence, a supporting foot is provided between the headrest backrest sub-frame and the backrest main frame, and a movable foot support is provided at the bottom of the leg support; the third connecting rod is rotatably connected to the headrest backrest sub-frame of the folding bed frame.

[0009] As a further solution, a limit piece is provided at the bottom of the main bed frame corresponding to the third connecting rod facing away from the rotation fulcrum and the end connected to the second connecting rod, and the horizontal height of the limit piece is lower than the horizontal height of the rotation fulcrum.

[0010] As a further solution, the brake wheel includes a wheel body, a wheel frame, a hollow vertical shaft, a brake block, the rotation control part, a touch rod and a reset spring. The wheel body is rotatably arranged at the lower part of the wheel frame, the hollow vertical shaft is rotatably arranged at the top of the wheel frame, the brake block is located above the wheel body, the top of the brake block is connected to the touch rod, the touch rod extends into the hollow vertical shaft, the rotation control part is a cam, the cam is rotatably arranged in the hollow vertical shaft, the outer periphery of the cam is against the top of the touch rod, the side of the cam is provided with a hexagonal hole, the reset spring is arranged between the hollow vertical shaft and the touch rod, and enables the touch rod and the brake block to have an upward movement force; the transmission shaft is a hexagonal shaft, and the hexagonal shaft is plugged into the hexagonal hole. The brake wheel is an existing product, and its structure can refer to the prior patent document (Announcement No.: CN201668618U, Announcement Date December 15, 2010, Name: Medical Treatment Bed Single-arm Foot Brake Device).

[0011] As a further solution, the main bed frame includes left and right side frames and a rear cross bar connected at the rear end between the left and right side frames, the left and right ends of the rear cross bar are respectively provided with shaft sleeves, the left and right brake wheels are provided with two, the hollow vertical shafts of the two brake wheels are respectively inserted into the shaft sleeves and fixedly connected to the shaft sleeves, the shaft sleeves are provided with clearance holes corresponding to the hexagonal holes and the hexagonal shafts, the hexagonal shaft passes through the clearance holes and the hexagonal holes, and the two ends of the hexagonal shaft are respectively connected to a set of the connecting rod assemblies.

[0012] As a further solution, a first caster is provided at the front end of the bottom of the left and right side frames, and a second caster is provided at the bottom of the movable tripod; the end of the leg bracket facing away from the backrest main frame is also foldably connected to the foot bracket, and a folding leg is provided at the bottom of the foot bracket, and the lower end of the folding leg is against the ground or the movable tripod.

[0013] As a further solution, the upper ends of the supporting feet are respectively hinged to the headrest backrest sub-frame and the backrest main frame, the backrest main frame and the leg support are respectively hinged to the two ends of the fourth connecting rod, and the foot support and the leg support are connected by a damping hinge.

[0014] As a further solution, the outer sides of the left and right side frames are also provided with side guard plates, and the upper ends of the side guard plates are higher than the flattened headrest backrest sub-frame; the rear end of the main bed frame is provided with a rear plate, the left and right sides of the movable foot frame are provided with side panels, and the front end of the folding legs is provided with a baffle; the inner sides of the front ends of the left and right side frames are provided with guide wheels, and the guide wheels are used to cooperate with the side panel guides, and brackets are provided in front of the inner sides of the left and right side frames corresponding to the guide wheels, the first caster is connected to the bottom of the bracket, and the top of the bracket is provided with a stop step on the rear side, and the front end of the stop step is provided with a guiding inclined surface; the bottom front end of the leg bracket is provided with a stop wheel, and the stop wheel is used to cooperate with the stop step; the top surfaces of the headrest backrest sub-frame, the backrest main frame, the leg bracket and the foot bracket are respectively provided with a first cushion, a second cushion, a third cushion and a fourth cushion.

[0015] As a further solution, a buffer device is further provided at the bottom of the supporting foot, and a movable buffer component is provided on the buffer device. The movable buffer component is hinged to the headrest backrest sub-frame and the backrest main frame through a rod body.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) The main bed frame of the utility model is supported by a brake wheel, which is connected between the rotation control part (brake control part) of the brake wheel and the folding bed frame through a connecting rod assembly, and the brake wheel is locked or unlocked by controlling the connecting rod assembly during the folding process of the folding bed frame. The structure is simple and more safe and reliable.

[0018] (2) The brake wheel of the utility model is a universal wheel. When the folding bed frame is formed into a chair or bed state, the brake wheel is locked. When the folding bed frame is fully stored, the brake wheel is unlocked. In addition, the bed frame can be moved and steered with the help of the universal wheel and other casters.

[0019] (3) The main bed frame and the movable frame of the utility model are provided with plates on the outside, which not only play a decorative role, but also prevent hands and feet from being inserted into the frame, greatly reducing the chance of being pinched. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the bed frame structure according to an embodiment of the utility model.

[0021] Figure 2 for Figure 1 Another angle diagram of the structure.

[0022] Figure 3 This is a schematic diagram of the structure of the connecting rod assembly in the utility model.

[0023] Figure 4 for Figure 3 Another angle diagram of the structure.

[0024] Figure 5 It is a schematic structural diagram of the brake wheel, the main bed frame and the connecting rod assembly in the utility model.

[0025] Figure 6 for Figure 5 Schematic diagram of the decomposition structure.

[0026] Figure 7 It is a schematic diagram of the structure of the bed body of the utility model.

[0027] Figure 8 for Figure 7 Another angle diagram of the structure.

[0028] Fig. 9 This is a schematic diagram of the main structure of the bed of the utility model after removing one side guard plate and part of the frame.

[0029] Fig.10 It is a schematic diagram of the middle cross-sectional structure of the bed body of the utility model in the main view state.

[0030] Fig.11 This is a schematic diagram of the main structure of the chair of the utility model after removing one side guard plate and part of the frame.

[0031] Fig.12 It is a three-dimensional structural diagram of the chair state of the utility model.

[0032] Fig.13 This is a schematic diagram of the main structure of the utility model in a fully stored state with one side guard plate and part of the frame removed.

[0033] Fig.14 It is a schematic diagram of the middle cross-sectional structure of the utility model in a fully stored state.

[0034] Fig.15 It is a schematic diagram of the three-dimensional structure of the utility model in a fully stored state.

[0035] Fig.16 for Fig.15 Another angle diagram of the structure. DETAILED DESCRIPTION

[0036] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0037] See also Figures 1 to 16 As shown, a multifunctional accompanying bed includes a main bed frame 1 and a folding bed frame. A brake wheel 2 with a rotation locking function is provided at the bottom of the main bed frame 1. The brake wheel 2 is provided with a rotation control part 24 for locking or unlocking. The folding bed frame and the rotation control part 24 are connected to each other through a connecting rod assembly 3. The connecting rod assembly 3 is also connected to the main bed frame 1 through a rotation fulcrum A.

[0038] The connecting rod assembly 3 includes a transmission shaft 31, a first connecting rod 32, a second connecting rod 33 and a third connecting rod 34. The transmission shaft 31 is transmission-connected to the rotation control part 24 of the brake wheel 2. One end of the first connecting rod 32 is transmission-connected to the transmission shaft 31. The other end of the first connecting rod 32 is slidingly matched with the lower end of the second connecting rod 33 (specifically, the lower end of the second connecting rod 33 is provided with an elongated hole 331 for rotation and sliding cooperation with the first connecting rod 32). The rotation fulcrum A is provided between the two ends of the third connecting rod 34. The two ends of the third connecting rod 34 are respectively rotationally connected to the upper end (free end) of the second connecting rod 33 and the folding bed frame.

[0039] The folding bed frame includes a headrest backrest sub-frame 4, a backrest main frame 5 and a leg support 7 which are folded and connected in sequence, a supporting foot 6 is provided between the headrest backrest sub-frame 4 and the backrest main frame 5, and a movable foot support 71 is provided at the bottom of the leg support 7; the third connecting rod 34 is rotatably connected to the headrest backrest sub-frame 4 of the folding bed frame to form a rotation fulcrum B.

[0040] The main bed frame 1 is provided with a limiter 16 at the bottom of the third link 34, which is opposite to the rotation fulcrum A and connected to the second link 33. The horizontal height of the limiter 16 is lower than the horizontal height of the rotation fulcrum A. When the third link 34 is in contact with the limiter 16, the rotation fulcrum B of the third link 34 is in a sinking state (lower than the height of the rotation fulcrum A). Fig. 9 In the state, lift the headrest backrest subframe 4 to Fig.11 Status (or Fig.11 The status changes to Fig. 9 state), the rotation fulcrum B is not easy to move, and the brake wheel 2 is in the braking state.

[0041] when Fig.11 Status switch to Fig.13 In the state, the headrest backrest sub-frame 4 and the backrest main frame 5 tilt forward at the same time, the rotation fulcrum B end of the third connecting rod 34 is lifted, pushing the second connecting rod 33 to move downward, thereby controlling the first connecting rod 32 and the transmission shaft 31 to rotate clockwise to unlock the brake wheel 2.

[0042] The brake wheel 2 includes a wheel body 21, a wheel frame 22, a hollow vertical shaft 23, a brake block, the rotation control part 24, a touch rod and a reset spring. The wheel body 21 is rotatably arranged at the lower part of the wheel frame 22, the hollow vertical shaft 23 is rotatably arranged at the top of the wheel frame 22, the brake block is located above the wheel body 21, the top of the brake block is connected to the touch rod, the touch rod extends into the hollow vertical shaft 23, the rotation control part 24 is a cam, the cam is rotatably arranged in the hollow vertical shaft 23, the outer periphery of the cam is against the top of the touch rod, the side of the cam is provided with a hexagonal hole, the reset spring is arranged between the hollow vertical shaft 23 and the touch rod, and enables the touch rod and the brake block to have a force to move upward; the transmission shaft 31 is a hexagonal shaft, and the hexagonal shaft is plug-fitted with the hexagonal hole.

[0043] The main bed frame 1 includes left and right side frames and a rear cross bar 13 connected at the rear end between the left and right side frames. The left and right ends of the rear cross bar 13 are respectively provided with shaft sleeves 14. The brake wheels 2 are provided with left and right two. The hollow vertical shafts 23 of the two brake wheels 2 are respectively inserted into the shaft sleeves 14 and fixedly connected with the shaft sleeves 14. The shaft sleeves 14 are provided with clearance holes corresponding to the hexagonal holes and the hexagonal shafts. The hexagonal shaft passes through the clearance holes and the hexagonal holes. The two ends of the hexagonal shaft are respectively connected to a set of the connecting rod assemblies 3.

[0044] Furthermore, the ends of the hexagonal shaft are provided with a shaft head 311 and a stud 312 in sequence, and the first connecting rod 32 is provided with an engaging transmission hole 321 corresponding to the shaft head 311. After the shaft head 311 is matched with the engaging transmission hole 321, the stud 312 extends out of the outside of the first connecting rod 32 for connection with the nut.

[0045] The front end of the bottom of the left and right side frames is also provided with a first caster 12, and the bottom of the mobile foot frame 71 is provided with a second caster; the end of the leg support 7 facing away from the backrest main frame 5 is also folded and connected to the foot support 8, and the bottom of the foot support 8 is also provided with a folding leg 81, and the lower end of the folding leg 81 is against the ground. The lower end of the folding leg 81 is provided with a third caster, and the folding leg 81 is elastically rotatably matched with the foot support 8. The inner side of the folding leg 81 is also provided with a buffer spring 84, and the mobile foot frame 71 is provided with a cross bar 711. When the folding leg 81 is folded, it contacts the cross bar 711 through the buffer spring 84 to avoid generating a large collision noise.

[0046] The upper ends of the supporting feet 6 are respectively hinged to the headrest backrest sub-frame 4 and the backrest main frame 5 , the backrest main frame 5 and the leg support 7 are respectively hinged to the two ends of the fourth connecting rod 51 , and the foot support 8 is connected to the leg support 7 via a damping hinge 75 .

[0047] The left and right side frames are also provided with side guard plates 17 on the outside, and the upper end of the side guard plates 17 is higher than the flattened headrest backrest sub-frame 4; the rear end of the main bed frame 1 is provided with a rear plate 19, the left and right sides of the movable foot frame 71 are provided with side plates 74 on the outside, and the front end of the folding leg 81 is provided with a baffle 83; the front end of the left and right side frames is provided with a guide wheel 15 on the inside, and the guide wheel 15 is used to guide and cooperate with the side plate 74, and the inside of the left and right side frames is provided with a bracket 11 in front of the corresponding guide wheel 15, the first caster 12 is connected to the bottom of the bracket 11, and the top of the bracket 11 is provided with a backstop step 111 on the rear side, and the front end of the backstop step 111 is provided with a guiding inclined surface; the front end bottom of the leg bracket 7 is provided with a backstop wheel 72, and the backstop wheel 72 is used to cooperate with the backstop step 111. The rear end surface of the rear plate 19 is provided with a positioning groove 191, and the rear lower end of the headrest backrest sub-frame 4 is provided with a foot 411 to cooperate with the positioning groove 191.

[0048] In this embodiment, the multifunctional accompanying bed can be locked in specific occasions by a shared smart lock, and can be moved out for use only after being unlocked by paying a fee or the like; for this purpose, a lock 18 can be set on the side guard plate 17 for cooperation with the shared smart lock.

[0049] The top surfaces of the headrest backrest sub-frame 4, the backrest main frame 5, the leg support 7 and the foot support 8 are respectively provided with a first cushion 41, a second cushion 52, a third cushion 73 and a fourth cushion 82.

[0050] The bottom of the support foot 6 is also provided with a buffer device 61, and a movable buffer component is provided on the buffer device 61. The movable buffer component is hinged to the headrest backrest sub-frame 4 and the backrest main frame 5 through the rod body. The buffer device 61 specifically includes a guide rod 63, a compression spring 65, a force adjustment nut 66, an inclined rod 67 (the rod body) and a sliding sleeve 64 (the movable buffer component). The upper section of the guide rod is provided with an external thread and is fixedly connected to the upper end of the support foot 6. The force adjustment nut is connected to the external thread. The compression spring and the sliding sleeve are sequentially arranged outside the guide rod below the force adjustment nut. The two sides of the sliding sleeve are respectively hinged to the lower ends of the two inclined rods, and the upper ends of the two inclined rods are respectively hinged to the headrest backrest sub-frame 4 and the backrest main frame 5. When the headrest backrest sub-frame 4 and the backrest main frame 5 are synchronously unfolded, they are slowly opened to a horizontal state under the action of the compression spring and the sliding sleeve to prevent the support foot from hitting the ground quickly. The support foot 6 is also provided with a plate 62, and the plate is provided with a through hole corresponding to the buffer device 61.

[0051] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A multifunctional accompanying bed, comprising a main bed frame (1) and a folding bed frame, wherein a brake wheel (2) with a rotation locking function is provided at the bottom of the main bed frame (1), and the brake wheel (2) is provided with a rotation control part (24) for locking or unlocking, characterized in that: The folding bed frame is connected to the rotation control unit (24) through a connecting rod assembly (3), and the connecting rod assembly (3) is also connected to the main bed frame (1) through a rotation fulcrum (A).

2. The multifunctional accompanying bed according to claim 1, characterized in that: The connecting rod assembly (3) comprises a transmission shaft (31), a first connecting rod (32), a second connecting rod (33) and a third connecting rod (34); the transmission shaft (31) is connected to the rotation control part (24) of the brake wheel (2) in a transmission manner; one end of the first connecting rod (32) is connected to the transmission shaft (31) in a transmission manner; the other end of the first connecting rod (32) is slidably matched with the lower end of the second connecting rod (33); the rotation fulcrum (A) is provided between the two ends of the third connecting rod (34); and the two ends of the third connecting rod (34) are respectively connected to the upper end of the second connecting rod (33) and the folding bed frame in a rotation manner.

3. The multifunctional accompanying bed according to claim 2, characterized in that: The folding bed frame comprises a headrest backrest sub-frame (4), a backrest main frame (5) and a leg support (7) which are foldably connected in sequence; a supporting foot (6) is provided between the headrest backrest sub-frame (4) and the backrest main frame (5); and a movable foot support (71) is provided at the bottom of the leg support (7); the third connecting rod (34) is rotatably connected to the headrest backrest sub-frame (4) of the folding bed frame.

4. The multifunctional accompanying bed according to claim 3, characterized in that: A limit piece (16) is provided at the bottom of the main bed frame (1) corresponding to the third connecting rod (34) facing away from the rotation fulcrum (A) and the end connected to the second connecting rod (33), and the horizontal height of the limit piece (16) is lower than the horizontal height of the rotation fulcrum (A).

5. The multifunctional accompanying bed according to claim 3 or 4, characterized in that: The brake wheel (2) comprises a wheel body (21), a wheel frame (22), a hollow vertical shaft (23), a brake block, the rotation control part (24), a touch rod and a reset spring. The wheel body (21) is rotatably arranged at the lower part of the wheel frame (22), the hollow vertical shaft (23) is rotatably arranged at the top of the wheel frame (22), the brake block is located above the wheel body (21), the top of the brake block is connected to the touch rod, and the touch rod extends into the hollow vertical shaft (23). The rotation control part (24) is a cam, which is rotatably arranged in the hollow vertical shaft (23), the outer periphery of the cam is against the top of the touch rod, and the side of the cam is provided with a hexagonal hole. The reset spring is arranged between the hollow vertical shaft (23) and the touch rod, and enables the touch rod and the brake block to have a force to move upward; the transmission shaft (31) is a hexagonal shaft, and the hexagonal shaft is plug-fitted with the hexagonal hole.

6. The multifunctional accompanying bed according to claim 5, characterized in that: The main bed frame (1) comprises left and right side frames and a rear cross bar (13) connected to the rear end between the left and right side frames, the left and right ends of the rear cross bar (13) are respectively provided with shaft sleeves (14), the brake wheel (2) is provided with two left and right ones, the hollow vertical shafts (23) of the two brake wheels (2) are respectively inserted into the shaft sleeves (14) and fixedly connected to the shaft sleeves (14), the shaft sleeve (14) is provided with a clearance hole corresponding to the hexagonal hole and the hexagonal shaft, the hexagonal shaft passes through the clearance hole and the hexagonal hole, and the two ends of the hexagonal shaft are respectively connected to a set of the connecting rod assembly (3).

7. The multifunctional accompanying bed according to claim 6, characterized in that: The front ends of the bottoms of the left and right side frames are also provided with first casters (12), and the bottom of the movable foot frame (71) is provided with a second caster; one end of the leg frame (7) facing away from the backrest main frame (5) is also foldably connected to a foot frame (8), and the bottom of the foot frame (8) is also provided with a folding leg (81), and the lower end of the folding leg (81) is against the ground or the movable foot frame (71).

8. The multifunctional accompanying bed according to claim 7, characterized in that: The upper ends of the support legs (6) are respectively hinged to the headrest backrest sub-frame (4) and the backrest main frame (5); the backrest main frame (5) and the leg support (7) are respectively hinged to the two ends of the fourth connecting rod (51); the foot support (8) and the leg support (7) are connected via a damping hinge (75).

9. The multifunctional accompanying bed according to claim 7, characterized in that: Side guard plates (17) are also provided on the outer sides of the left and right side frames, and the upper ends of the side guard plates (17) are higher than the flattened headrest backrest sub-frame (4); a rear plate (19) is provided at the rear end of the main bed frame (1); side plates (74) are provided on the left and right sides of the movable foot frame (71); and a baffle plate (83) is provided at the front end of the folding leg (81); guide wheels (15) are provided on the inner sides of the front ends of the left and right side frames, and the guide wheels (15) are used to cooperate with the side plates (74) for guiding; a bracket (11) is provided in front of the inner sides of the left and right side frames corresponding to the guide wheels (15); the first caster (12) is connected to the bottom of the bracket (11), and a backstop step (111) is provided on the top of the bracket (11) at the rear side, and a guiding inclined surface is provided at the front end of the backstop step (111); a backstop wheel (72) is provided at the bottom of the front end of the leg bracket (7), and the backstop wheel (72) is used to cooperate with the backstop step (111); The top surfaces of the headrest backrest auxiliary frame (4), the backrest main frame (5), the leg support (7) and the foot support (8) are respectively provided with a first soft pad (41), a second soft pad (52), a third soft pad (73) and a fourth soft pad (82).

10. The multifunctional accompanying bed according to claim 3, characterized in that: The bottom of the support foot (6) is also provided with a buffer device (61), and the buffer device (61) is provided with a movable buffer component, and the movable buffer component is hinged to the headrest backrest auxiliary frame (4) and the backrest main frame (5) through a rod body.

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