A two-section detachable backrest nursing bed
The two-section, detachable backrest nursing bed design driven by a single motor solves the problem of the complex structure of existing nursing beds that require dual motors for adjustment, achieving convenient assembly and lightweight transportation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU YUFENG FURNITURE
- Filing Date
- 2025-07-04
- Publication Date
- 2026-07-17
AI Technical Summary
Existing nursing beds require two motors to achieve two-stage angle adjustment, resulting in a complex structure and difficult assembly.
The two-section detachable backrest nursing bed is designed with a single motor drive. The head motor and leg motor control the flipping and lifting of the upper main structure respectively, and the backrest angle can be adjusted in two sections by rollers and linkage mechanism.
It features convenient assembly with two-stage back angle adjustment, is individually packaged for lightweight transport, and requires no tools for assembly.
Smart Images

Figure CN224505771U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electric bed technology, and in particular relates to a two-section detachable backrest nursing bed. Background Technology
[0002] Nursing beds are among the most common medical devices and are increasingly used in many households, becoming a common home care equipment. With the advancement of technology, the structure of nursing beds has been continuously optimized and updated. Currently, there are many types of nursing beds, and their technology is becoming more and more mature. However, existing nursing beds can only be adjusted to a single angle. If a two-stage angle adjustment is required, two motors are needed, making the structure of the nursing bed complex and difficult to assemble. Utility Model Content
[0003] Purpose of the utility model: In order to solve the problems mentioned in the background art, this utility model proposes a two-section backrest detachable nursing bed.
[0004] The technical solution adopted by this utility model is: a two-section backrest-type detachable nursing bed, comprising: an upper main structure and a lower main structure;
[0005] The upper main structure includes: a head mesh, a first seat mesh, a second seat mesh, a third seat mesh, a leg mesh, a pair of upper frame vertical tubes, a first upper frame horizontal tube, a pair of track plates, roller mounting rods, rollers, a pair of arc-shaped connecting rods, a support tube, a head motor, a pair of first connecting rods, a pair of second connecting rods, a pair of slide rails, a pair of third connecting rods, a leg motor, and a second upper frame horizontal tube;
[0006] A pair of upper frame vertical tubes are arranged below all the mesh panels, and the first upper frame horizontal tube and the second upper frame horizontal tube are symmetrically fixed between the pair of upper frame vertical tubes. The first upper frame horizontal tube is located at the front end of the pair of upper frame vertical tubes, and the second upper frame horizontal tube is located at the rear end of the pair of upper frame vertical tubes. The first upper frame horizontal tube is positioned below the head mesh panel, and the second upper frame horizontal tube is positioned below the leg mesh panel. The support tube is arranged parallel to the first upper frame horizontal tube and is rotatably mounted on the pair of upper frame vertical tubes. The support tube is positioned below the first seat mesh panel.
[0007] The head mesh is rotatably connected to the first seat mesh. The track plate is set between the head mesh and the first upper frame horizontal tube. The track plate is an inward-opening channel. A first connecting rod is provided at the tail of the track plate. The first connecting rod is rotatably connected to the first seat mesh through a limiting plate.
[0008] Each track plate is embedded with a roller, which rolls back and forth within the track plate; the two ends of the roller mounting rod are respectively connected to the rollers in the two track plates; for any arc-shaped connecting rod, its front end is rotatably connected to the roller mounting rod, and its rear end is fixedly connected to the support tube.
[0009] The fixed end of the head motor is set on the first upper frame horizontal tube, and the actuating end of the head motor is rotatably connected to the support tube.
[0010] For any second link, one end of the second link is rotatably connected to the upper frame vertical tube, and the other end of the second link is rotatably connected to the bottom of the first seat mesh.
[0011] There is a certain gap between the first and second seat mesh panels. For any slide rail, the slide rail is set inside the upper frame vertical tube. Specifically, the slide rail is located at the upper frame vertical tube corresponding to the gap between the first and second seat mesh panels. Each slide rail is embedded with a rotating roller, which can move back and forth within the slide rail. One end of the third link is rotatably connected to the rotating roller, and the other end of the third link is fixedly connected to the bottom of the first seat mesh panel.
[0012] The second seat mesh is fixed to the pair of upper frame vertical tubes;
[0013] The front end of the third seat mesh is rotatably mounted on the paired upper frame vertical tubes. The rear end of the third seat mesh is rotatably connected to the front end of the leg mesh. The fixed end of the leg motor is fixed on the second upper frame horizontal tube, and the actuating end of the leg motor is rotatably connected to the rear end of the third seat mesh.
[0014] The lower main structure is a lifting structure, which is fixed below the upper main structure and is used to drive the upper main structure to move up and down.
[0015] Furthermore, the limiting plate is provided with an arc-shaped hollow area, which is used to guide the first connecting rod to move upward and downward.
[0016] Furthermore, the lower main structure includes: a rectangular main frame, a pair of fourth connecting rods, a pair of front support tubes, a front lifting support arm round tube, a pair of lifting connectors, a pair of front connecting seats, a pair of connecting rods, a pair of middle frame side tubes, an inclined support seat, a lifting motor, a fixed tube, a pair of sixth connecting rods, a rear lifting support arm round tube, a pair of rear connecting seats, and a pair of rear support tubes;
[0017] The paired front support tubes are fixed to the front crossbar of the rectangular main frame, and the paired rear support tubes are fixed to the rear crossbar of the rectangular main frame.
[0018] The front end of the pair of fourth links is rotatably connected to the front support tube, and the rear end of the fourth link is rotatably connected to the round tube of the front lifting support arm.
[0019] The pair of middle frame side tubes are horizontally set within the rectangular main frame, and the front lifting support arm round tube and the rear lifting support arm round tube are straddling the pair of middle frame side tubes through corresponding lifting connectors. One end of the sixth link is rotatably connected to the rear support tube, and the other end of the sixth link is rotatably connected to the rear lifting support arm round tube.
[0020] A front connecting seat and a rear connecting seat are provided on the front lifting support arm tube and the rear lifting support arm tube respectively. One end of the connecting rod is rotatably connected to the front connecting seat, and the other end of the connecting rod is rotatably connected to the rear connecting seat.
[0021] The fixing tube is set between the two middle frame side tubes and located at the rear end of the middle frame side tubes;
[0022] The fixed end of the lifting motor is fixed to the side of the connecting rod by an inclined support, and the moving end of the lifting motor is rotatably connected to the fixed tube.
[0023] Furthermore, the upper main structure and the lower main structure are fixed by using vertical tubes to fix the upper frame vertical tubes and the middle frame side tubes.
[0024] Furthermore, the upper end of the lifting connector is fixed to the side tube of the middle frame, and the lower end of the lifting connector is rotatably connected to the round tube of the front lifting support arm / the round tube of the rear lifting support arm.
[0025] Beneficial effects: Compared with the prior art, the present invention has the following advantages:
[0026] (1) This utility model achieves two-stage angle adjustment at the back using a single motor, which facilitates assembly;
[0027] (2) This utility model has two-stage back adjustment, is individually packaged and lightweight, convenient for transportation, and the assembly of each part is convenient and requires no tools. Attached Figure Description
[0028] To more clearly illustrate the technical methods in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0029] Figure 1 This is a schematic diagram of the front structure of a two-section detachable backrest nursing bed;
[0030] Figure 2 This is a schematic diagram of the back structure of a two-section detachable backrest nursing bed;
[0031] Figure 3 This is a structural diagram of the lower main structure;
[0032] Figure 4 This is a structural diagram of the lower main structure;
[0033] Figure 5 This is a structural diagram of the upper main structure;
[0034] Figure 6 This is a structural diagram of the upper main structure;
[0035] Figure 7 This is a magnified view of a portion of the main structure above.
[0036] Figure 8 This is a magnified view of a portion of the main structure above.
[0037] Figure 9 This is a schematic diagram showing the connection between the upper and lower main structures;
[0038] Figure 10 This is a schematic diagram of the limiting plate structure. Detailed Implementation
[0039] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0040] like Figure 1 and Figure 2 As shown, this embodiment discloses a two-section backrest-type detachable nursing bed, which consists of an upper main structure 1 and a lower main structure 2.
[0041] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 10 As shown, the upper main structure 1 of this embodiment includes: head mesh 3, first seat mesh 4, second seat mesh 5, third seat mesh 6, leg mesh 7, paired upper frame vertical tubes 8, first upper frame horizontal tubes 9, paired track plates 10, roller mounting rods 11, rollers 111, paired arc-shaped connecting rods 12, support tubes 13, head motor 14, paired first connecting rods 15, paired second connecting rods 16, paired slide rails 17, paired third connecting rods 18, leg motor 19, and second upper frame horizontal tubes 20.
[0042] like Figure 5 and Figure 6As shown, pairs of upper frame vertical tubes 8 are positioned below all the mesh panels, and the first upper frame horizontal tube 9 and the second upper frame horizontal tube 20 are symmetrically fixed between the pairs of upper frame vertical tubes 8. That is, the first upper frame horizontal tube 9 is located at the front end of the pairs of upper frame vertical tubes 8, and the second upper frame horizontal tube 20 is located at the rear end of the pairs of upper frame vertical tubes 8. The first upper frame horizontal tube 9 is positioned below the head mesh panel 3, and the second upper frame horizontal tube 20 is positioned below the leg mesh panel 7.
[0043] The support tube 13 is arranged parallel to the first upper frame horizontal tube 9. The support tube 13 is rotatably mounted on the pair of upper frame vertical tubes 8, and the support tube 13 is located below the first seat mesh 4.
[0044] The head mesh 3 and the first seat mesh 4 are rotatably connected. A pair of track plates 10 are fixed on the lower surface of the head mesh 3. The track plate 10 is set between the head mesh 3 and the first upper frame horizontal tube 9. The track plate 10 is an inward-opening channel. A first connecting rod 15 is provided at the tail of the track plate 10. The first connecting rod 15 is rotatably connected to the first seat mesh 4 through a limiting plate 21. The limiting plate 21 has an arc-shaped hollow area 211 to guide the upward and downward movement trajectory of the first connecting rod 15.
[0045] like Figure 10 As shown, each track plate 10 is embedded with a roller 111, which can roll back and forth within the track plate 10. The two ends of the roller mounting rod 11 are respectively connected to the rollers 111 in the two track plates 10. For any arc-shaped connecting rod 12, its front end is rotatably connected to the roller mounting rod 11, and its rear end is fixedly connected to the support tube 13.
[0046] The fixed end of the head motor 14 is set on the first upper frame horizontal tube 9, and the actuating end of the head motor 14 is rotatably connected to the support tube 13.
[0047] For any one of the second links 16, one end of the second link 16 is rotatably connected to the upper frame vertical tube 8, and the other end of the second link 16 is rotatably connected to the bottom of the first seat mesh 4.
[0048] There is a certain gap between the first seat mesh 4 and the second seat mesh 5. For any slide rail 17, the slide rail 17 is set inside the upper frame vertical tube 8. Specifically, the setting position is located at the upper frame vertical tube 8 corresponding to the gap between the first seat mesh 4 and the second seat mesh 5. A rotating roller is embedded in each slide rail 17. The rotating roller can move back and forth in the slide rail 17. One end of the third connecting rod 18 is rotatably connected to the rotating roller, and the other end of the third connecting rod 18 is fixedly connected to the bottom of the first seat mesh 4.
[0049] The second seat mesh 5 is fixed to the paired upper frame vertical tubes 8.
[0050] like Figure 8 As shown, the front end of the third seat mesh 6 is rotatably mounted on the paired upper frame vertical tubes 8. The third seat mesh 6 and the leg mesh 7 are rotatably connected, that is, the rear end of the third seat mesh 6 is rotatably connected to the front end of the leg mesh 7. The fixed end of the leg motor 19 is fixed on the second upper frame horizontal tube 20, and the actuating end of the leg motor 19 is rotatably connected to the rear end of the third seat mesh.
[0051] like Figure 3 and Figure 4 As shown, the lower main structure 2 of this embodiment includes: a rectangular main frame 22, a pair of fourth connecting rods 23, a pair of front support tubes 24, a front lifting support arm round tube 25, a pair of lifting connectors 26, a front connecting seat 27, a connecting rod 28, a fifth connecting rod 29, a pair of middle frame side tubes 30, an inclined support seat 31, a lifting motor 32, a fixing tube 33, a pair of sixth connecting rods 34, a rear lifting support arm round tube 35, a rear connecting seat 36, and a pair of rear support tubes 37.
[0052] A pair of front support tubes 24 are fixed to the front crossbar of the rectangular main frame 22, and a pair of rear support tubes 37 are fixed to the rear crossbar of the rectangular main frame 22. The front end of the pair of fourth connecting rods 23 is rotatably connected to the front support tubes 24, and the rear end of the fourth connecting rods 23 is rotatably connected to the front lifting support arm round tube 25. Specifically, the front lifting support arm round tube 25 is located behind the front crossbar of the rectangular main frame 22, and the rear lifting support arm round tube 35 is located behind the rear crossbar of the rectangular main frame 22.
[0053] A pair of middle frame side tubes 30 are horizontally arranged within the rectangular main frame 22, and the front lifting support arm round tube 25 and the rear lifting support arm round tube 35 are transversely arranged between the pair of middle frame side tubes 30 through corresponding lifting connectors 26. Specifically, as shown... Figure 4 As shown, the upper end of the lifting connector 26 is fixed on the side tube 30 of the middle frame, and the lower end of the lifting connector 26 is rotatably connected to the round tube 25 of the front lifting support arm and the round tube 35 of the rear lifting support arm.
[0054] One end of the sixth link 34 is rotatably connected to the rear support tube 37, and the other end of the sixth link 34 is rotatably connected to the round tube 35 of the rear lifting support arm.
[0055] A front connecting seat 27 and a rear connecting seat 36 are provided on the front lifting support arm tube 25 and the rear lifting support arm tube 35 respectively. One end of the connecting rod 28 is rotatably connected to the front connecting seat 27, and the other end of the connecting rod 28 is rotatably connected to the rear connecting seat 36.
[0056] The fixing tube 33 is located between the two middle frame side tubes 30 and at the rear end of the middle frame side tubes 30.
[0057] The fixed end of the lifting motor 32 is fixed to the side of the connecting rod 28 through the inclined support 31, and the moving end of the lifting motor 32 is rotatably connected to the fixed tube 33.
[0058] like Figure 9 As shown, the upper main structure and the lower main structure are fixed by using vertical tubes 38 to fix the upper frame vertical tube 8 and the middle frame side tube 30.
Claims
1. A two-stage back split care bed, characterised in that: include: It consists of an upper main structure and a lower main structure; The upper main structure includes: a head mesh, a first seat mesh, a second seat mesh, a third seat mesh, a leg mesh, a pair of upper frame vertical tubes, a first upper frame horizontal tube, a pair of track plates, roller mounting rods, rollers, a pair of arc-shaped connecting rods, a support tube, a head motor, a pair of first connecting rods, a pair of second connecting rods, a pair of slide rails, a pair of third connecting rods, a leg motor, and a second upper frame horizontal tube; A pair of upper frame vertical tubes are arranged below all the mesh panels, and the first upper frame horizontal tube and the second upper frame horizontal tube are symmetrically fixed between the pair of upper frame vertical tubes. The first upper frame horizontal tube is located at the front end of the pair of upper frame vertical tubes, and the second upper frame horizontal tube is located at the rear end of the pair of upper frame vertical tubes. The first upper frame horizontal tube is positioned below the head mesh panel, and the second upper frame horizontal tube is positioned below the leg mesh panel. The support tube is arranged parallel to the first upper frame horizontal tube and is rotatably mounted on the pair of upper frame vertical tubes. The support tube is positioned below the first seat mesh panel. The head mesh is rotatably connected to the first seat mesh. The track plate is set between the head mesh and the first upper frame horizontal tube. The track plate is an inward-opening channel. A first connecting rod is provided at the tail of the track plate. The first connecting rod is rotatably connected to the first seat mesh through a limiting plate. Each track plate is embedded with a roller, which rolls back and forth within the track plate; the two ends of the roller mounting rod are respectively connected to the rollers in the two track plates; for any arc-shaped connecting rod, its front end is rotatably connected to the roller mounting rod, and its rear end is fixedly connected to the support tube. The fixed end of the head motor is set on the first upper frame horizontal tube, and the actuating end of the head motor is rotatably connected to the support tube. For any second link, one end of the second link is rotatably connected to the upper frame vertical tube, and the other end of the second link is rotatably connected to the bottom of the first seat mesh. There is a certain gap between the first seat mesh and the second seat mesh. For any slide rail, the slide rail is set inside the upper frame vertical tube. Specifically, the setting position is located at the upper frame vertical tube corresponding to the gap between the first seat mesh and the second seat mesh. A rotating roller is embedded in each slide rail. The rotating roller can move back and forth in the slide rail. One end of the third link is rotatably connected to the rotating roller, and the other end of the third link is fixedly connected to the bottom of the first seat mesh. The second seat mesh is fixed to the pair of upper frame vertical tubes; The front end of the third seat mesh is rotatably mounted on the paired upper frame vertical tubes. The rear end of the third seat mesh is rotatably connected to the front end of the leg mesh. The fixed end of the leg motor is fixed on the second upper frame horizontal tube, and the actuating end of the leg motor is rotatably connected to the rear end of the third seat mesh. The lower main structure is a lifting structure, which is fixed below the upper main structure and is used to drive the upper main structure to move up and down.
2. A two-stage back split care bed according to claim 1, characterised in that: The limiting plate has an arc-shaped hollow area, which is used to guide the first connecting rod to move upward and downward.
3. A two-stage back-split care bed according to claim 1, wherein: The lower main structure includes: a rectangular main frame, a pair of fourth connecting rods, a pair of front support tubes, a front lifting support arm round tube, a pair of lifting connectors, a pair of front connecting seats, a pair of connecting rods, a pair of middle frame side tubes, an inclined support seat, a lifting motor, a fixed tube, a pair of sixth connecting rods, a rear lifting support arm round tube, a pair of rear connecting seats, and a pair of rear support tubes. The paired front support tubes are fixed to the front crossbar of the rectangular main frame, and the paired rear support tubes are fixed to the rear crossbar of the rectangular main frame. The front end of the pair of fourth links is rotatably connected to the front support tube, and the rear end of the fourth link is rotatably connected to the round tube of the front lifting support arm. The pair of middle frame side tubes are horizontally set within the rectangular main frame, and the front lifting support arm round tube and the rear lifting support arm round tube are straddling the pair of middle frame side tubes through corresponding lifting connectors. One end of the sixth link is rotatably connected to the rear support tube, and the other end of the sixth link is rotatably connected to the rear lifting support arm round tube. A front connecting seat and a rear connecting seat are provided on the front lifting support arm tube and the rear lifting support arm tube respectively. One end of the connecting rod is rotatably connected to the front connecting seat, and the other end of the connecting rod is rotatably connected to the rear connecting seat. The fixing tube is set between the two middle frame side tubes and located at the rear end of the middle frame side tubes; The fixed end of the lifting motor is fixed to the side of the connecting rod by an inclined support, and the moving end of the lifting motor is rotatably connected to the fixed tube.
4. A two-stage back-split care bed according to claim 3, wherein: The upper and lower main structures are fixed by using vertical tubes to fix the upper frame vertical tubes and the middle frame side tubes.
5. A two-stage back-split care bed according to claim 3, wherein: The upper end of the lifting connector is fixed to the side tube of the middle frame, and the lower end of the lifting connector is rotatably connected to the round tube of the front lifting support arm / rear lifting support arm.