Silent smart electric bed

Abstract

The utility model belongs to the technical field of electric bed, concretely relates to a mute intelligent electric bed. The mute intelligent electric bed includes bedstead, two movable bed boards and two turnover driving devices, and the movable bed board includes the back support frame and the leg support frame of interval arrangement, and the turnover driving device includes first turnover mechanism and second turnover mechanism, and the first turnover mechanism includes first push rod, first movable slot, first lubricating grease layer, first sliding block and first drive assembly. Through the specific structure of limiting first turnover mechanism, when first drive assembly drives first sliding block to move back and forth in first movable slot, first sliding block can be contacted with first movable slot and first lubricating grease layer, and then the resistance between first sliding block and first movable slot is reduced, and the sound of first sliding block and first movable slot friction is reduced, the function of mute adjusting back support frame is realized, and the user on another movable bed board is avoided from being influenced by the noise when using one movable bed board.

Description

Technical Field

[0001] This utility model belongs to the field of electric bed technology, specifically relating to a silent intelligent electric bed. Background Technology

[0002] An electric bed is a product designed to enhance user comfort. It is typically driven by one or more motors and folds and bends at different angles along a predetermined path, providing support for lying, semi-reclining, and sitting positions to meet diverse user needs. Electric beds primarily rely on hinges for user support and movement. Since both the bed and the hinge structure are mostly made of metal, they often produce considerable noise during operation, which can be uncomfortable for users, negatively impacting their experience and mood, and hindering the product's market competitiveness. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a quiet intelligent electric bed that can adjust the user's back or legs separately to improve the comfort of use.

[0004] The present invention adopts the following technical solution:

[0005] A silent intelligent electric bed, characterized in that it includes a bed frame, two movable bed boards, and two flipping drive devices. The two movable bed boards are flipped and mounted on the bed frame. Each movable bed board includes a back support frame and a leg support frame that are spaced apart and rotatable on the bed frame. The two flipping drive devices are mounted on the bed frame to drive the relative movable bed boards to flip. Each flipping drive device includes a first flipping mechanism disposed between the back support frame and the bed frame, which allows the back support frame to rotate upward, and a second flipping mechanism disposed between the leg support frame and the bed frame, which allows the leg support frame to rotate upward. The first flipping mechanism includes a first push rod rotatably connected to the back support frame at one end, a first movable groove extending downward from the top surface of the bed frame, a first grease layer disposed in the first movable groove, a first sliding block movably disposed at the other end of the first push rod and slidingly contacting the first grease layer, and a first drive assembly disposed on the bed frame and connected to drive the first sliding block to move so as to drive the back support frame to rotate upward or downward.

[0006] Furthermore, the first sliding block is made of POM material and includes a plurality of grease grooves spaced apart and extending upward on its lower end surface, and two guide surfaces that are disposed opposite to each other and extend inward at an angle on both sides of its lower end.

[0007] Furthermore, the plurality of the grease grooves are inclinedly arranged on the lower end face of the first sliding block.

[0008] Furthermore, the first drive assembly includes two first limit seats spaced apart in the first movable groove, a first rotating lead screw rotatably disposed between the two first limit seats, and a first silent motor disposed in the first movable groove and connected to drive the first rotating lead screw to rotate. The first sliding block is provided with a moving hole through which the first rotating lead screw passes.

[0009] Furthermore, the first push rod end is provided with two connecting plates that are movably connected to the first sliding block, and the first sliding block is disposed between the two connecting plates via a rotating shaft.

[0010] Furthermore, the bed frame includes a middle support frame and an upper support frame and a lower support frame that are disposed opposite to each other on both sides of the middle support frame. One side of the back support frame is rotatably connected to the upper support frame, and one side of the leg support frame is rotatably connected to the lower support frame.

[0011] Furthermore, the upper support frame includes two first support rods arranged at intervals, two second support rods respectively disposed between the two ends of the two first support rods, two first support columns arranged at intervals at the bottom of a first support rod, and two second support columns respectively disposed at the bottom of the two second support rods and staggered from the two first support columns.

[0012] Furthermore, the first movable groove is disposed on the second support rod, and the second support rod has two first assembly holes on both sides that communicate with the first movable groove.

[0013] Furthermore, the leg support frame includes a thigh support frame and a calf support frame that can rotate relative to each other, and a connecting rod that can rotate between the calf support frame and the lower support frame. The side of the thigh support frame is rotatably connected to the upper end of the lower support frame. After the second flipping mechanism is connected and drives the thigh support frame to rotate upward, the calf support frame rotates downward, thereby causing the user's legs to be in a bent state when lying on the movable bed board.

[0014] Furthermore, the movable bed board also includes a first connecting seat disposed on the back support frame and movably connected to the first flipping mechanism, and a second connecting seat disposed on the thigh support frame and movably connected to the second flipping mechanism, wherein one end of the first push rod is rotatably connected to the first connecting seat.

[0015] As can be seen from the above description of this utility model, compared with the prior art, the beneficial effects of this utility model are as follows: This application, through the cooperation of a bed frame, two movable bed boards that can be flipped and mounted on the bed frame, and two flipping drive devices mounted on the bed frame to drive the relative movable bed boards to flip, allows two movable bed boards to be used by two people, and each is controlled by a relative flipping drive device, allowing them to work independently without affecting each other, thus expanding the application range of the silent intelligent electric bed; at the same time, by defining the specific structure of the movable bed boards and the relative flipping drive devices, a first flipping mechanism and a second flipping mechanism are added between the back support frame and the bed frame and between the leg support frame and the bed frame, respectively, which can adjust the user's back and legs separately, enriching the functions of the silent intelligent electric bed to meet the user's needs. This design addresses various usage needs and improves user comfort. Furthermore, by defining the specific structure of the first flipping mechanism, a first lubricating layer and a first sliding block are added between the first movable groove and the first push rod, and at the end of the first push rod. When the first drive assembly drives the first sliding block to move back and forth in the first movable groove, the lower end of the first sliding block abuts against the first movable groove. At this time, the first lubricating layer is located between the first sliding block and the first movable groove, allowing the first sliding block to contact the first movable groove and the first lubricating layer, thereby reducing the resistance between the first sliding block and the first movable groove. This also reduces the noise from the friction between the first sliding block and the first movable groove, achieving the function of a silent adjustment back support frame and preventing noise from affecting the user on the other movable bed board when using one of the movable bed boards.

[0016] By providing multiple grease grooves that extend upwards from the lower end of the first sliding block at intervals, the first sliding block can push and apply force to the first grease layer when it moves within the first movable groove, thereby ensuring that the multiple grease grooves are always filled with the first grease layer during the movement of the first sliding block. At the same time, by adding two inclined inward-extending guide surfaces on both sides of the lower end of the first sliding block, the resistance between the first sliding block and the first grease layer is reduced, making it easier for the first grease layer to enter the multiple grease grooves. Attached Figure Description

[0017] Figure 1 This is a structural diagram of a silent intelligent electric bed.

[0018] Figure 2 This is a side view of a silent intelligent electric bed.

[0019] Figure 3 This is a partial structural diagram of a silent intelligent electric bed.

[0020] Figure 4 This is an enlarged schematic diagram of the internal structure of a silent intelligent electric bed.

[0021] Figure 5 This is a schematic diagram of the structure of the first sliding block.

[0022] In the diagram: 1. Bed frame; 11. Intermediate support frame; 12. Upper support frame; 13. Lower support frame; 14. First support rod; 15. Second support rod; 16. First support column; 17. Second support column; 18. First assembly hole; 2. Movable bed board; 21. Back support frame; 22. Leg support frame; 23. Thigh support frame; 24. Lower leg support frame; 25. Connecting rod; 26. First connecting seat; 27. Second connecting seat; 3. Tilting drive device; 31. First flipping mechanism; 32. Second flipping mechanism; 33. First push rod; 331. Connecting plate; 332. Rotating shaft; 34. First movable groove; 35. First grease layer; 36. First sliding block; 361. Grease groove; 362. Guide surface; 363. Moving hole; 37. First drive assembly; 371. First limit seat; 372. First rotating lead screw; 373. First silent motor; 38. First control assembly; 39. First micro switch. Detailed Implementation

[0023] The present invention will be further described below through specific embodiments.

[0024] like Figures 1 to 5 As shown, this embodiment provides a silent intelligent electric bed, including a bed frame 1, two movable bed boards 2 and two flipping drive devices 3.

[0025] The bed frame 1 is made of metal and includes a middle support frame 11 and an upper support frame 12 and a lower support frame 13 arranged opposite to each other on both sides of the middle support frame 11. Specifically, the upper support frame 12 includes two first support rods 14 arranged at intervals, two second support rods 15 respectively arranged between the two ends of the two first support rods 14, two first support columns 16 arranged at intervals at the bottom of one of the first support rods 14, and two second support columns 17 respectively arranged at the bottom of the two second support rods 15 and staggered from the two first support columns 16. Furthermore, the lower support frame 13 is the same as the upper support frame 12, and its specific structure will not be further described here.

[0026] Two movable bed boards 2 are flipped and mounted on the bed frame 1. Each movable bed board 2 includes a back support frame 21 and a leg support frame 22 that are rotatably mounted on the bed frame 1. One side of the back support frame 21 is rotatably connected to the upper support frame 12, and one side of the leg support frame 22 is rotatably connected to the lower support frame 13. By setting two movable bed boards 2, two people can use the bed, thus expanding the application range of the silent intelligent electric bed. Specifically, the leg support frame 22 includes a thigh support frame 23 and a calf support frame 24 that are rotatably mounted relative to each other, and a connecting rod 25 that is rotatably mounted between the calf support frame 24 and the lower support frame 13. The side of the thigh support frame 23 is rotatably connected to the upper end of the lower support frame 13.

[0027] Two flipping drive devices 3 are mounted on the bed frame 1 to drive the relative movable bed boards 2 to flip. By using two flipping drive devices 3, the two movable bed boards 2 are each controlled by a corresponding flipping drive device 3, allowing them to operate independently without affecting each other. Specifically, the flipping drive device 3 includes a first flipping mechanism 31 positioned between the back support frame 21 and the bed frame 1, allowing the back support frame 21 to rotate upwards, and a second flipping mechanism 32 positioned between the leg support frame 22 and the bed frame 1, allowing the leg support frame 22 to rotate upwards. The movable bed board 2 also includes a first connecting seat 26 mounted on the back support frame 21 and movably connected to the first flipping mechanism 31, and a second connecting seat mounted on the thigh support frame 23 and movably connected to the second flipping mechanism 32. 27; By setting the first flipping mechanism 31 and the second flipping mechanism 32, the user's back and legs can be adjusted respectively, enriching the functions of the silent intelligent electric bed, meeting the user's multi-use needs, and improving the user's comfort; further, the first flipping mechanism 31 includes a first push rod 33 rotatably connected to the back support frame 21 at one end, a first movable groove 34 recessed downward from the top surface of the bed frame 1, a first grease layer 35 disposed in the first movable groove 34, a first sliding block 36 movably disposed at the other end of the first push rod 33 and slidingly contacting the first grease layer 35, and a first drive assembly 37 disposed on the bed frame 1 and connected to drive the first sliding block 36 to move so as to drive the back support frame 21 to rotate upward or downward; One end of the first push rod 33 is connected to the first connecting seat 26. When the first drive assembly 37 drives the first sliding block 36 to move back and forth in the first movable groove 34, the lower end of the first sliding block 36 abuts against the first movable groove 34. At this time, the first grease layer 35 is located between the first sliding block 36 and the first movable groove 34, allowing the first sliding block 36 to contact the first movable groove 34 and the first grease layer 35, thereby reducing the resistance between the first sliding block 36 and the first movable groove 34, and reducing the noise from the friction between the first sliding block 36 and the first movable groove 34. This achieves the function of silently adjusting the back support frame 21, preventing noise from affecting the user on the other movable bed board 2 when using one of the movable bed boards 2. Furthermore, The first sliding block 36 includes a plurality of grease grooves 361 spaced apart and extending upward from its lower end surface, and two guide surfaces 362 inclined inwardly extended from opposite sides of its lower end. The plurality of grease grooves 361 are inclinedly disposed on the lower end surface of the first sliding block 36. By providing the plurality of grease grooves 361, the first sliding block 36 can push and apply force to the first grease layer 35 when it moves within the first movable groove 34, thereby ensuring that the plurality of grease grooves 361 are always filled with the first grease layer 35 during the movement of the first sliding block 36, thus improving the lubrication effect. By providing the two guide surfaces 362, the resistance between the first sliding block 36 and the first grease layer 35 can be reduced, making it easier for the first grease layer 35 to enter the plurality of grease grooves 361.Furthermore, two connecting plates 331 are movably connected to the first sliding block 36 at opposite ends of the first push rod 33, and the first sliding block 36 is positioned between the two connecting plates 331 via a rotating shaft 332; furthermore, a first movable groove 34 is provided on the second support rod 15, and two first mounting holes 18 communicating with the first movable groove 34 are provided on both sides of the second support rod 15. By providing the first mounting holes 18, it is convenient to disassemble and install the first push rod 33 and the first sliding block 36, thereby facilitating better maintenance of the first flipping mechanism 31 and the back support frame 21; furthermore, the first grease layer 35 is composed of grease from the prior art; furthermore, the first sliding block 36 is made of POM material, and the sound of its friction with the first movable groove 34 is less than the sound of the first sliding block 36 made of metal material rubbing against the first movable groove 34.

[0028] The first drive assembly 37 includes two first limiting seats 371 spaced apart in the first movable groove 34, a first rotating lead screw 372 rotatably disposed between the two first limiting seats 371, and a first silent motor 373 disposed in the first movable groove 34 and connected to drive the first rotating lead screw 372 to rotate. When the first sliding block 36 is connected to the first rotating lead screw 372, its lower end is always in contact with the first movable groove 34, enabling it to stably support the back support frame 21 and prevent deformation of the first rotating lead screw 372. Specifically, the first sliding block 36 is provided with a moving hole 363 through which the first rotating lead screw 372 passes. The inner wall of the moving hole 363 is formed with an internal thread that engages with the threaded first rotating lead screw 372. 72 has an external thread that mates with the internal thread; the engagement between the moving hole 363 and the first rotating lead screw 372 is a lead screw and nut pair mechanical device in the prior art that can convert rotary motion into linear motion, and its specific engagement method will not be further described here; further, the first drive assembly 37 also includes a first worm gear transmission component disposed in another first limit seat 371 connecting the first silent motor 373 and the first rotating lead screw 372, and the first worm gear transmission component is a common mechanical transmission device in the prior art, and its specific structure and principle will not be further described here; further, the first silent motor 373 is a common silent motor in the prior art, and its specific structure and principle will not be further described here.

[0029] The first flipping mechanism 31 also includes a first control component 38 connected to the first silent motor 373. The first control component 38 includes a controller and two first microswitches 39 that are relatively disposed in the first movable slot 34 and cooperate with the first sliding block 36 to control the operation of the first silent motor 373. The controller is connected to the first silent motor 373 and the first microswitches 39. In use, when the first drive component 37 moves the first sliding block 36 to a certain position and is detected by one of the first microswitches 39, the first microswitches 39 that detect the first sliding block 36 will feed back a signal to the controller, thereby causing the controller to control the first silent motor 373 to stop working. Specifically, the controller can be a microcontroller or other controller that can achieve the limited effect. Its cooperation with the first silent motor 373 and the first microswitches 39 is existing technology, and its specific model selection and working principle will not be further described here.

[0030] The second flipping mechanism 32 is the same as the first flipping mechanism 31. Its cooperation with the leg support frame 22 is the same as the cooperation between the first flipping mechanism 31 and the back support frame 21. Its specific structure will not be described further here. Specifically, in use, the second flipping mechanism 32 is connected to the second connecting seat 27 on the thigh support frame 23, and drives the thigh support frame 23 to rotate upward, while the lower leg support frame 24 rotates downward, so that the legs of the user lying on the movable bed board are in a bent state.

[0031] In summary, by utilizing the above-mentioned technical solution of this utility model, through the cooperation between the bed frame 1, the two movable bed boards 2 that can be flipped and mounted on the bed frame 1, and the two flipping drive devices 3 mounted on the bed frame 1 to drive the relative movable bed boards 2 to flip, the two movable bed boards 2 can be used by two people, and are controlled by the relative flipping drive devices 3 respectively. They can work independently without affecting each other, thus expanding the application range of the silent intelligent electric bed. In addition, by defining the specific structure of the movable bed boards 2 and the relative flipping drive devices 3, a first flipping mechanism 31 and a second flipping mechanism 32 are added between the back support frame 21 and the bed frame 1 and between the leg support frame 22 and the bed frame 1, respectively. These allow for separate adjustment of the user's back and legs, enriching the functions of the silent intelligent electric bed, meeting the user's multi-use needs, and improving user comfort. Furthermore, by defining the specific structure of the first flipping mechanism 31, a first flipping mechanism 31 is added between the first movable groove 34 and the first push rod 33, and between the first push rod 34 and the first push rod 32. The first grease layer 35 and the first sliding block 36 are added to the end of the first sliding block 36 to reduce the resistance between the first sliding block 36 and the first movable groove 34, and at the same time reduce the noise of the friction between the first sliding block 36 and the first movable groove 34, so as to realize the function of silent adjustment of the back support frame 21 and avoid noise affecting the user on the other movable bed board 2 when using one of the movable bed boards 2. In addition, by setting multiple grease grooves 361 extending upward from the lower end surface of the first sliding block 36 at intervals, the first sliding block 36 can push the first grease layer 35 when it moves in the first movable groove 34, thereby ensuring that the multiple grease grooves 361 are always full of the first grease layer 35 during the movement of the first sliding block 36. In addition, by adding two inclined inward extending guide surfaces 362 on both sides of the lower end of the first sliding block 36, the resistance between the first sliding block 36 and the first grease layer 35 is reduced, making it easier for the first grease layer 35 to enter the multiple grease grooves 361.

[0032] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model application and the contents of the specification should still fall within the scope of the present utility model application.

Claims

1. A silent intelligent electric bed, characterized in that: The device includes a bed frame, two movable bed boards, and two flip-over drive devices. The two movable bed boards are flip-over mounted on the bed frame. Each movable bed board includes a rotatable back support frame and a leg support frame spaced apart on the bed frame. The two flip-over drive devices are mounted on the bed frame to drive the relative movable bed boards to flip. Each flip-over drive device includes a first flip-over mechanism positioned between the back support frame and the bed frame, allowing the back support frame to rotate upwards, and a second flip-over mechanism positioned between the leg support frame and the bed frame, allowing the leg support frame to rotate upwards. The first flip-over mechanism includes a first push rod rotatably connected to the back support frame at one end, a first movable groove extending downwards from the top surface of the bed frame, a first grease layer disposed in the first movable groove, a first sliding block movably disposed at the other end of the first push rod and slidingly contacting the first grease layer, and a first drive assembly mounted on the bed frame and connected to drive the first sliding block to move, thereby causing the back support frame to rotate upwards or downwards.

2. The silent intelligent electric bed according to claim 1, characterized in that: The first sliding block is made of POM material and includes a plurality of grease grooves that are spaced apart and extend upward from its lower end and two guide surfaces that are inclined inward from both sides of its lower end.

3. A silent intelligent electric bed according to claim 2, characterized in that: Multiple grease grooves are inclinedly arranged on the lower end face of the first sliding block.

4. A silent intelligent electric bed according to claim 1, characterized in that: The first driving assembly includes two first limiting seats spaced apart in the first movable groove, a first rotating lead screw rotatably disposed between the two first limiting seats, and a first silent motor disposed in the first movable groove and connected to drive the first rotating lead screw to rotate. The first sliding block is provided with a moving hole through which the first rotating lead screw passes.

5. A silent intelligent electric bed according to claim 1, characterized in that: The first push rod has two connecting plates that are movably connected to the first sliding block at opposite ends, and the first sliding block is disposed between the two connecting plates via a rotating shaft.

6. A silent intelligent electric bed according to claim 1, characterized in that: The bed frame includes a middle support frame and an upper support frame and a lower support frame that are arranged opposite to each other on both sides of the middle support frame. One side of the back support frame is rotatably connected to the upper support frame, and one side of the leg support frame is rotatably connected to the lower support frame.

7. A silent intelligent electric bed according to claim 6, characterized in that: The upper support frame includes two first support rods arranged at intervals, two second support rods respectively disposed between the two ends of the two first support rods, two first support columns arranged at intervals at the bottom of one of the first support rods, and two second support columns respectively disposed at the bottom of the two second support rods and staggered from the two first support columns.

8. A silent intelligent electric bed according to claim 7, characterized in that: The first movable groove is disposed on the second support rod, and the second support rod has two first assembly holes on both sides that communicate with the first movable groove.

9. A silent intelligent electric bed according to claim 6, characterized in that: The leg support frame includes a thigh support frame and a calf support frame that can rotate relative to each other, and a connecting rod that can rotate between the calf support frame and the lower support frame. The side of the thigh support frame is rotatably connected to the upper end of the lower support frame. After the second flipping mechanism is connected and drives the thigh support frame to rotate upward, the calf support frame rotates downward, thereby causing the user's legs to be in a bent state when lying on the movable bed board.

10. A silent intelligent electric bed according to claim 9, characterized in that: The movable bed board also includes a first connecting seat that is movably connected to the first flipping mechanism and is disposed on the back support frame, and a second connecting seat that is movably connected to the second flipping mechanism and is disposed on the thigh support frame, wherein one end of the first push rod is rotatably connected to the first connecting seat.

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