Foldable electric bed

Abstract

The utility model belongs to the field of medical nursing, particularly relates to a foldable electric bed, and aims to solve the problems that a patient can only be in two states of lying on a bed or standing up after being bound and cannot be helped to be fed in a reclining or sitting-up mode in the prior art. The utility model relates to a folding table which comprises a first plate, a table plate, a connecting plate, a second plate, a pedal, a second U-shaped frame, a first U-shaped frame, a first inserting rod and a second inserting rod, the first plate and the second plate are rotationally arranged on the two sides of the connecting plate respectively, and the table plate is located above the connecting plate. A patient can lie on the bed by moving the first inserting rod and the second inserting rod at the bottom to different positions through the adjusting assembly, then the multi-section electric telescopic rod is started, adjustment in different states can be achieved, and the patient can be helped to conduct adjustment better according to actual conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of medical nursing, in particular to a foldable electric bed. Background Art

[0002] The standing bed can adjust the tilt angle to make the patient tied to it produce his own gravity, which can help hemiplegic patients. It can also help patients with swallowing dysfunction to feed by rotating the patient's body through the electric standing bed.

[0003] After searching, the utility model with announcement number CN212592791U discloses an electric standing bed, which includes a bed frame, a bed board device, and a flipping mechanism; the bed frame is arranged at the bottom and is in a rectangular frame structure, and the bed board device is hingedly mounted on the bed frame; the two ends of the flipping mechanism are hingedly mounted with the bed frame and the bed board device to drive the flipping of the bed board device; the foot pedal of the utility model can be adjusted according to the patient's foot to fold up and down and rotate left and right, pull the Achilles tendon, and is fixed with a strap to increase safety and reduce the psychological pressure of the patient when standing. The utility model adopts a flip push rod motor and a gas spring to jointly support the bed board, so that the pressure of the bed board does not directly act on the electric push rod in a static state, thereby increasing the service life of the electric push rod. The gas springs are distributed on the left and right sides of the flip push rod motor, so that the entire bed body is evenly supported;

[0004] The electric standing bed still has the following problems when in use:

[0005] The patient can only be placed in two states: lying flat on the bed or standing up after being tied up. The bed cannot help the patient to be fed in a reclining or sitting position. Moreover, since the bed is an integral unit, it is difficult to directly carry the patient. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art that the patient can only be placed in two states, namely, lying flat on the bed or standing up after being tied up, and the bed cannot be used to feed the patient in a reclining or sitting up manner, and the bed is difficult to be directly carried as a whole.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A foldable electric bed comprises a first board, a table board, a connecting board, a second board, a stepping board, a second U-shaped frame, a first U-shaped frame, a first plugging rod and a second plugging rod, wherein the first board and the second board are rotatably arranged on both sides of the connecting board, the table board is located above the connecting board, the stepping board is located on one side of the second board, the first U-shaped frame and the second U-shaped frame are located below the first board and the second board, respectively, and the second U-shaped frame and the first U-shaped frame are in an opposing state, the second plugging rod is located below the connecting board, and the first plugging rod is located above the second U-shaped frame;

[0009] A support frame in contact with the bottom of the first plate is fixedly arranged on the side of the top of the first U-shaped frame away from the second U-shaped frame, a rotating plate rotatably arranged with the second U-shaped frame is fixedly arranged on the side of the bottom of the second plate away from the connecting plate, and L-shaped frames are fixedly arranged on both sides of the second U-shaped frame and the first U-shaped frame and at one end away from each other, and a universal wheel with a self-locking is rotatably arranged at the bottom of the L-shaped frame;

[0010] A multi-section electric telescopic rod is rotatably arranged on the top of the No. 1 U-shaped frame, and one end of the output shaft of the multi-section electric telescopic rod is rotatably arranged on the bottom of the No. 1 plate;

[0011] Adjustment components for controlling the positions of the No. 1 plug rod and the No. 2 plug rod are provided on both sides of the bottom of the No. 1 plate;

[0012] The adjustment assembly includes two No. 2 plug-in cylinders fixedly arranged on one side of the bottom of the No. 1 plate, a No. 2 plug-in ring fixedly arranged on the bottom of the connecting plate on one side of the No. 2 plug-in cylinder, a No. 2 sliding plug-in cylinder slidably arranged on the bottom of the No. 2 plate on one side of the No. 2 plug-in ring, the No. 2 plug-in rod slidably arranged between the No. 2 plug-in cylinder, the No. 2 plug-in ring and the No. 2 sliding plug-in cylinder, a No. 1 plug-in cylinder fixedly arranged on the top of the No. 1 U-shaped frame on one side of the No. 2 plug-in cylinder, a No. 1 sliding plug-in cylinder slidably arranged on the top of the No. 2 U-shaped frame on one side of the No. 2 sliding plug-in cylinder The cylinder, the No. 1 insertion rod is slidably arranged between the No. 1 sliding insertion cylinder and the No. 1 insertion cylinder, the bottom of the No. 2 sliding insertion cylinder is rotatably arranged with a No. 2 outer cylinder, the top of the No. 1 sliding insertion cylinder is rotatably arranged with a No. 1 outer cylinder, and the No. 1 outer cylinder contacts the No. 2 outer cylinder, the interior of the No. 2 outer cylinder is slidably arranged with a No. 2 inner rod, the interior of the No. 1 outer cylinder is slidably arranged with a No. 1 inner rod, and the interiors of the No. 2 outer cylinder and the No. 1 outer cylinder are both provided with clamping components for clamping the No. 2 inner rod and the No. 1 inner rod with the No. 2 insertion rod and the No. 1 insertion rod respectively.

[0013] In a possible design, the engaging assembly includes limiting slide grooves which are both opened on the inner walls of the No. 2 outer cylinder and the No. 1 outer cylinder and are in an opposing state. The outer walls of the No. 2 inner rod and the No. 1 inner rod are fixedly provided with limiting blocks, and the two limiting blocks are respectively slidably arranged inside the two limiting slide grooves. The No. 2 insertion rod and the No. 1 insertion rod are each provided with a slot on one side close to each other. The No. 2 inner rod and the No. 1 inner rod respectively slide through the No. 2 sliding insertion cylinder and the No. 1 sliding insertion cylinder, and are respectively engaged with the two slots of the No. 2 insertion rod and the No. 1 insertion rod.

[0014] In a possible design, fixing rods are fixedly provided on both sides of the connecting plate, a connecting block is slidably sleeved on the outer wall of the fixing rod, a No. 1 threaded rod is provided at the bottom of the connecting block, and the top thread of the No. 1 threaded rod passes through the connecting block and contacts with the fixing rod, connecting rods are fixedly provided on both sides of the bottom of the table top, the connecting rods slide through the connecting block, a No. 2 threaded rod is provided on one side of the connecting block, and the thread of the No. 2 threaded rod passes through the connecting block and contacts with the connecting rod.

[0015] In a possible design, the No. 2 insertion rod and the No. 2 insertion tube are interference fit.

[0016] In a possible design, the pedal is fixedly arranged on a side of the second plate away from the connecting plate.

[0017] In a possible design, a same connecting shaft is fixedly disposed between the two No. 1 inserting rods, and the connecting shaft is located between the No. 1 inserting cylinder and the No. 1 sliding inserting cylinder.

[0018] In a possible design, a No. 2 T-shaped groove is provided on both sides of the bottom of the No. 2 plate, a No. 2 T-shaped slider is fixedly provided on the top of the No. 2 sliding cylinder, and the No. 2 T-shaped slider is slidably provided inside the No. 2 T-shaped groove, and a No. 1 T-shaped groove is provided on both sides of the top of the No. 2 U-shaped frame, a No. 1 T-shaped slider is fixedly provided on the bottom of the No. 1 sliding cylinder, and the No. 1 T-shaped slider is slidably provided inside the No. 1 T-shaped groove.

[0019] In this application, when used specifically, Figure 1 For the initial state, the table board needs to be removed. The table board can be removed to let the patient lie on the bed with his feet facing the step board. At this time, the No. 2 plug rod is located at the bottom of the No. 1 board, the connecting board and the No. 2 board to connect and fix them. The No. 1 plug rod is located at the top of the No. 1 U-shaped frame and the No. 2 U-shaped frame to connect and fix them. The No. 2 outer cylinder and the No. 1 outer cylinder are in conflict with each other, which plays a certain supporting effect.

[0020] Figure 2The second outer cylinder is rotated in the initial state, and the second inner rod is able to move upward by cooperating with the limit sliding groove provided on the inner wall of the second outer cylinder, so that the second inner rod passes through the second sliding plug cylinder and cooperates with the card slot at the bottom of the second plug cylinder. At this time, pulling the second outer cylinder can drive the second plug cylinder and the second sliding plug cylinder to move, so that the second plug cylinder is separated from the inside of the second plug cylinder and located at the bottom of the connecting plate and the second plate. After that, the multi-section electric telescopic rod is started, and the output shaft of the multi-section electric telescopic rod will push the first plate to rotate at the place where it is connected to the connecting plate, so as to achieve the effect of assisting the patient to sit up;

[0021] Figure 3 The patient is in the standing state, which can make the patient reach the effect of standing nearly. In this state, the restraint belt needs to be installed by the patient according to the actual situation. The operation method is to directly start the multi-section electric telescopic rod in the initial state. Since the No. 2 plug rod is located at the bottom of the No. 1 plate, the connecting plate and the No. 2 plate, it will be fixed as a whole plate. The patient stands up, and the patient's feet can step on the pedal. Then the two connecting rods at the bottom of the table board are inserted into the two connecting blocks respectively, and then the No. 2 threaded rod is rotated to hold the connecting rod against and fix it. The distance between the table board and the patient can be freely controlled according to the patient's body shape. The No. 1 threaded rod can be rotated in the direction to release the conflict between the No. 1 threaded rod and the fixed rod, and the table board can be adjusted according to the patient's height. The table board can be used to place things.

[0022] Figure 4 The bed is in a folding state. In this state, the bed can be folded for easy transportation. The table top needs to be removed. The operation method is to rotate the No. 2 outer cylinder and the No. 1 outer cylinder at the same time in the initial state, so that the internal No. 2 inner rod and the No. 1 inner rod respectively enter the slots of the No. 2 plug rod and the No. 1 plug rod to engage, and then pull the No. 2 outer cylinder and the No. 1 outer cylinder to drive the No. 2 plug rod and the No. 1 plug rod to move, the No. 2 plug rod is separated from the No. 2 plug cylinder and the No. 2 plug ring and is located at the bottom of the No. 2 board, the No. 1 plug rod is separated from the No. 1 plug cylinder and is located above the No. 2 U-shaped frame, at this time it can be folded, and the No. 1 board and the No. 2 board are rotated through the connection point with the connecting plate, so that they can be folded into this shape for easy transportation.

[0023] In the utility model, the foldable electric bed can achieve the initial state of the bed by adjusting the components, that is, by placing the No. 2 plug rod at the bottom of the No. 1 plate, the connecting plate and the No. 2 plate, and the No. 1 plug rod at the top of the No. 1 U-shaped frame and the No. 2 U-shaped frame; by starting the multi-section electric telescopic rod, the standing state of the bed can be achieved; while the No. 1 plug rod remains unchanged, the No. 2 plug rod is moved to the bottom of the connecting plate and the No. 2 plate, and the No. 1 plug rod is moved to the top of the No. 2 U-shaped frame, and the fixed state of the bed is released, so that the bed can be folded;

[0024] In the utility model, the foldable electric bed can achieve the effect that the table board can be removed when the bed is in the initial state, semi-standing state, and folded state, and can be installed in the standing state, and can be adjusted according to the patient's body shape and height through the No. 2 threaded rod and the No. 1 threaded rod;

[0025] In the utility model, when in use, the table board can be removed in the initial state, and the patient can lie on the bed. Through the adjustment component, the second plug rod and the first plug rod at the bottom can be moved to different positions, and then the multi-section electric telescopic rod can be started to adjust different states, so as to help the patient to better adjust according to the actual situation, and the bed can also be folded for easy transportation;

[0026] By means of the No. 2 threaded rod and the No. 1 threaded rod, the rods can be adjusted according to the patient's body shape and height in the standing state, and can be removed in other states. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the main structure of a foldable electric bed proposed by the utility model;

[0028] Figure 2 A three-dimensional structural schematic diagram of a foldable electric bed in a semi-standing state proposed by the utility model;

[0029] Figure 3 A three-dimensional structural schematic diagram of a foldable electric bed in a standing state proposed by the utility model;

[0030] Figure 4 A three-dimensional structural schematic diagram of a foldable electric bed in a folded state proposed by the utility model;

[0031] Figure 5 This is a three-dimensional structural schematic diagram of a foldable U-shaped frame of an electric bed proposed by the utility model;

[0032] Figure 6This is a schematic diagram of the exploded cross-section structure of a foldable electric bed outer cylinder proposed by the utility model;

[0033] Figure 7 This is a schematic diagram of a planar cross-sectional structure of a foldable electric bed adjustment assembly proposed by the utility model;

[0034] Figure 8 The utility model is a schematic diagram of the exploded structure of a foldable electric bed connecting block.

[0035] In the figure: 1. Plate No. 1; 2. Table plate; 3. Connecting rod; 4. Connecting plate; 5. Plate No. 2; 6. Stepping plate; 7. U-shaped frame No. 2; 8. U-shaped frame No. 1; 9. Outer cylinder No. 1; 10. Support frame; 11. Multi-section electric telescopic rod; 12. Insertion cylinder No. 1; 13. Insertion rod No. 1; 14. Sliding insertion cylinder No. 1; 15. Threaded rod No. 1; 16. Connecting shaft; 17. T-shaped slideway No. 1; 18. Rotating Plate; 19, L-shaped frame; 20, No. 1 T-shaped slider; 21, No. 1 inner rod; 22, No. 2 outer tube; 23, No. 2 inner rod; 24, No. 2 sliding insert tube; 25, No. 2 T-shaped slide groove; 26, No. 2 T-shaped slider; 27, No. 2 insert rod; 28, No. 2 insert tube; 29, No. 2 insert ring; 30, limit block; 31, limit slide groove; 32, fixed rod; 33, connecting block; 34, No. 2 threaded rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0037] Example 1

[0038] Reference Figure 1 A foldable electric bed comprises: a first board 1, a table board 2, a connecting board 4, a second board 5, a stepping board 6, a second U-shaped frame 7, a first U-shaped frame 8, a first plug rod 13 and a second plug rod 27;

[0039] The above technical solution is the basic component part of the electric bed.

[0040] Reference Figure 1 , Figure 7 , the first plate 1 and the second plate 5 are rotatably arranged on both sides of the connecting plate 4, and the second plug rod 27 is located below the connecting plate 4;

[0041] The first U-shaped frame 8 and the second U-shaped frame 7 are respectively located below the first plate 1 and the second plate 5, and the second U-shaped frame 7 and the first U-shaped frame 8 are in an opposing state, and the first insertion rod 13 is located above the second U-shaped frame 7;

[0042] Reference Figure 2 The top of the No. 1 U-shaped frame 8 is rotatably provided with a multi-section electric telescopic rod 11, and one end of the output shaft of the multi-section electric telescopic rod 11 is rotatably provided at the bottom of the No. 1 plate 1;

[0043] The above technical solution can achieve the effect of different states by controlling the positions of the second plug rod 27 and the first plug rod 13 in coordination with the multi-section electric telescopic rod 11 through the adjustment component.

[0044] Reference Figure 1 , Figure 5 A support frame 10 in contact with the bottom of the first plate 1 is fixedly provided on the side of the top of the first U-shaped frame 8 away from the second U-shaped frame 7, and a rotating plate 18 rotatably arranged with the second U-shaped frame 7 is fixedly provided on the side of the bottom of the second plate 5 away from the connecting plate 4;

[0045] L-shaped frames 19 are fixedly provided on both sides of the second U-shaped frame 7 and the first U-shaped frame 8 and at one end away from each other, and the bottom of the L-shaped frame 19 is rotatably provided with a self-locking universal wheel;

[0046] The above technical solution can achieve that the second plate 5 rotates with the rotating plate 18 as the rotating point, and the bed moves through the universal wheels;

[0047] When used specifically, Figure 1 For the initial state, the table top 2 needs to be removed. The table top 2 can be removed and the patient can lie on the bed with his feet facing the pedal 6. At this time, the No. 2 plug rod 27 is located at the bottom of the No. 1 plate 1, the connecting plate 4 and the No. 2 plate 5 to connect and fix them. The No. 1 plug rod 13 is located at the top of the No. 1 U-shaped frame 8 and the No. 2 U-shaped frame 7 to connect and fix them. The No. 2 outer cylinder 22 and the No. 1 outer cylinder 9 are in conflict with each other, which has a certain supporting effect.

[0048] Reference Figure 6-7 The second outer tube 22 and the first outer tube 9 are both provided with a clamping assembly for clamping the second inner rod 23 and the first inner rod 21 with the second insertion rod 27 and the first insertion rod 13 respectively;

[0049] The clamping assembly includes limiting slide grooves 31 which are both opened on the inner walls of the No. 2 outer cylinder 22 and the No. 1 outer cylinder 9 and are in an opposing state. The outer walls of the No. 2 inner rod 23 and the No. 1 inner rod 21 are fixedly provided with limiting blocks 30, and the two limiting blocks 30 are respectively slidably arranged inside the two limiting slide grooves 31. The No. 2 plug rod 27 and the No. 1 plug rod 13 are both provided with clamping grooves on the sides close to each other. The No. 2 inner rod 23 and the No. 1 inner rod 21 slide through the No. 2 sliding plug cylinder 24 and the No. 1 sliding plug cylinder 14 respectively, and are respectively located in the two clamping grooves of the No. 2 plug rod 27 and the No. 1 plug rod 13 and are clamped;

[0050] The above technical scheme can achieve the effect of cooperating the limiting groove 31 on the inner wall of the No. 2 outer cylinder 22 with the limiting block 30 on the No. 2 inner rod 23, so that by rotating the No. 2 outer cylinder 22, the No. 2 inner rod 23 can be controlled to move upward, so that the No. 2 inner rod 23 passes through the No. 2 sliding insert cylinder 24 and cooperates with the slot at the bottom of the No. 2 insert rod 27. At this time, pulling the No. 2 outer cylinder 22 can drive the No. 2 insert rod 27 and the No. 2 sliding insert cylinder 24 to move. The principle of the No. 1 inner rod 21 and the No. 1 outer cylinder 9 is the same.

[0051] Reference Figure 7 , both sides of the bottom of the No. 1 plate 1 are provided with adjustment components for controlling the positions of the No. 1 plug rod 13 and the No. 2 plug rod 27;

[0052] The adjustment assembly includes a No. 2 plug-in cylinder 28 fixedly arranged on one side of the bottom of the No. 1 plate 1, a No. 2 plug-in ring 29 fixedly arranged on the bottom of the connecting plate 4 on one side of the No. 2 plug-in cylinder 28, a No. 2 sliding plug-in cylinder 24 slidably arranged on the bottom of the No. 2 plate 5 on one side of the No. 2 plug-in ring 29, a No. 2 plug-in rod 27 slidably arranged between the No. 2 plug-in cylinder 28, the No. 2 plug-in ring 29 and the No. 2 sliding plug-in cylinder 24, a No. 1 plug-in cylinder 12 fixedly arranged on the top of the No. 1 U-shaped frame 8 on one side of the No. 2 plug-in cylinder 28, and a No. 2 U-shaped frame 8. The top of the No. 2 sliding insert cylinder 24 is slidably provided with a No. 1 sliding insert cylinder 14, the No. 1 insert rod 13 is slidably provided between the No. 1 sliding insert cylinder 14 and the No. 1 insert cylinder 12, the No. 2 outer cylinder 22 is rotatably provided at the bottom of the No. 2 sliding insert cylinder 24, the No. 1 outer cylinder 9 is rotatably provided at the top of the No. 1 sliding insert cylinder 14, and the No. 1 outer cylinder 9 is in contact with the No. 2 outer cylinder 22, the No. 2 inner rod 23 is slidably provided inside the No. 2 outer cylinder 22, and the No. 1 inner rod 21 is slidably provided inside the No. 1 outer cylinder 9;

[0053] The above technical solution can achieve the control of the positions of the first plug rod 13 and the second plug rod 27 through the clamping assembly;

[0054] Figure 2 The second outer cylinder 22 is rotated in the initial state, and the second inner rod 23 can move upward by cooperating with the limiting slide groove 31 provided on the inner wall of the second outer cylinder 22, so that the second inner rod 23 passes through the second sliding plug cylinder 24 and cooperates with the card slot at the bottom of the second plug rod 27. At this time, pulling the second outer cylinder 22 can drive the second plug rod 27 and the second sliding plug cylinder 24 to move, so that the second plug rod 27 is separated from the interior of the second plug cylinder 28 and located at the bottom of the connecting plate 4 and the second plate 5. After that, the multi-section electric telescopic rod 11 is started, and the output shaft of the multi-section electric telescopic rod 11 will push the first plate 1 to rotate at the place where it is connected to the connecting plate 4, so as to achieve the effect of assisting the patient to sit up;

[0055] The table top 2 is located above the connecting plate 4. The connecting plate 4 is fixedly provided with a fixing rod 32 on both sides. The outer wall of the fixing rod 32 is slidably sleeved with a connecting block 33. The bottom of the connecting block 33 is provided with a No. 1 threaded rod 15, and the top thread of the No. 1 threaded rod 15 passes through the connecting block 33 and contacts with the fixing rod 32. The table top 2 is fixedly provided with a connecting rod 3 on both sides of the bottom. The connecting rod 3 slides through the connecting block 33. A No. 2 threaded rod 34 is provided on one side of the connecting block 33. The No. 2 threaded rod 34 passes through the connecting block 33 and contacts with the connecting rod 3.

[0056] The pedal plate 6 is located at one side of the second plate 5, and the pedal plate 6 is fixedly arranged at the side of the second plate 5 away from the connecting plate 4;

[0057] The above technical solution can achieve that when the patient stands up, the patient's feet can step on the stepping plate 6, and then the two connecting rods 3 at the bottom of the table board 2 are respectively inserted into the two connecting blocks 33, and then the No. 2 threaded rod 34 is rotated to hold the connecting rod 3 against and fix it. The distance between the table board 2 and the patient can be freely controlled according to the patient's body shape, and the No. 1 threaded rod 15 can be rotated in a certain direction to release the conflict between the No. 1 threaded rod 15 and the fixing rod 32, and the table board 2 can be adjusted according to the patient's height, and the table board 2 can be used to place things;

[0058] Figure 3 The patient is in the standing state, which can make the patient reach a near-standing state. In this state, the patient needs to be fixed with a restraint belt according to the actual situation. The operation method is to directly start the multi-section electric telescopic rod 11 in the initial state. Since the second plug rod 27 is located at the bottom of the first plate 1, the connecting plate 4 and the second plate 5, they will be fixed as a whole plate.

[0059] Figure 4 The bed is in a folded state, in which the bed can be folded for easy transportation. The table top 2 needs to be removed. The operation method is to simultaneously rotate the No. 2 outer cylinder 22 and the No. 1 outer cylinder 9 in the initial state, so that the internal No. 2 inner rod 23 and the No. 1 inner rod 21 respectively enter the slots of the No. 2 plug rod 27 and the No. 1 plug rod 13 for engagement, and then pull the No. 2 outer cylinder 22 and the No. 1 outer cylinder 9 to drive the No. 2 plug rod 27 and the No. 1 plug rod 13 to move, the No. 2 plug rod 27 is separated from the No. 2 plug cylinder 28 and the No. 2 plug ring 29 and is located at the bottom of the No. 2 board 5, the No. 1 plug rod 13 is separated from the No. 1 plug cylinder 12 and is located above the No. 2 U-shaped frame 7, at which time it can be folded, and the No. 1 board 1 and the No. 2 board 5 are rotated through the connection point with the connecting plate 4, so that they can be folded into this shape for easy transportation.

[0060] The present application can be used in the field of medical care, and can also be used in other fields applicable to the present application.

[0061] Example 2

[0062] Improved on the basis of Example 1: A foldable electric bed, which is applied to the field of medical care, wherein the second insertion rod 27 and the second insertion tube 28 are interference fit;

[0063] The above technical solution can achieve the goal of making the size of the No. 2 insertion rod 27 slightly larger than the No. 2 insertion tube 28, so that a greater force is required to push the No. 2 insertion rod 27 to cause it to deform slightly and enter the No. 2 insertion tube 28, thereby preventing the risk of the No. 2 insertion rod 27 detaching from the No. 2 insertion tube 28 when in the standing state.

[0064] refer to Figure 3 , a same connecting shaft 16 is fixedly arranged between the two No. 1 inserting rods 13, and the connecting shaft 16 is located between the No. 1 inserting cylinder 12 and the No. 1 sliding inserting cylinder 14;

[0065] The above technical solution can achieve the effect that by moving the No. 1 plug rod 13 on any side, both sides can be moved together.

[0066] refer to Figure 7 A No. 2 T-shaped groove 25 is provided on both sides of the bottom of the No. 2 plate 5, a No. 2 T-shaped slider 26 is fixedly provided on the top of the No. 2 sliding insert 24, and the No. 2 T-shaped slider 26 is slidably provided inside the No. 2 T-shaped groove 25, and a No. 1 T-shaped groove 17 is provided on both sides of the top of the No. 2 U-shaped frame 7, a No. 1 T-shaped slider 20 is fixedly provided on the bottom of the No. 1 sliding insert 14, and the No. 1 T-shaped slider 20 is slidably provided inside the No. 1 T-shaped groove 17.

[0067] The above technical solution can achieve the effect of sliding by fixing the T-shaped slider on one side of the second sliding insert 24 and the first sliding insert 14, and restricting the T-shaped slider to the inside of the T-shaped slide groove.

[0068] However, as is well known to those skilled in the art, the working principle and wiring method of the multi-section electric telescopic rod 11 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0069] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foldable electric bed, comprising a first board (1), a table board (2), a connecting board (4), a second board (5), a step board (6), a second U-shaped frame (7), a first U-shaped frame (8), a first plug rod (13) and a second plug rod (27), characterized in that: The first plate (1) and the second plate (5) are rotatably arranged on both sides of the connecting plate (4), the table plate (2) is located above the connecting plate (4), the stepping plate (6) is located on one side of the second plate (5), the first U-shaped frame (8) and the second U-shaped frame (7) are located below the first plate (1) and the second plate (5), respectively, and the second U-shaped frame (7) and the first U-shaped frame (8) are in an opposing state, the second insertion rod (27) is located below the connecting plate (4), and the first insertion rod (13) is located above the second U-shaped frame (7); A support frame (10) in contact with the bottom of the first plate (1) is fixedly provided on the top of the first U-shaped frame (8) at a side away from the second U-shaped frame (7); a rotating plate (18) rotatably provided with the second U-shaped frame (7) is fixedly provided on the bottom of the second plate (5) at a side away from the connecting plate (4); L-shaped frames (19) are fixedly provided on both sides of the second U-shaped frame (7) and the first U-shaped frame (8) at one end away from each other; and a universal wheel with a self-locking function is rotatably provided at the bottom of the L-shaped frame (19); A multi-section electric telescopic rod (11) is rotatably arranged on the top of the No. 1 U-shaped frame (8), and one end of the output shaft of the multi-section electric telescopic rod (11) is rotatably arranged on the bottom of the No. 1 plate (1); Adjustment components for controlling the positions of the first plug rod (13) and the second plug rod (27) are arranged on both sides of the bottom of the first plate (1); The adjustment assembly comprises a No. 2 plug-in cylinder (28) fixedly arranged on one side of the bottom of the No. 1 plate (1); a No. 2 plug-in ring (29) fixedly arranged on the bottom of the connecting plate (4) on one side of the No. 2 plug-in cylinder (28); a No. 2 sliding plug-in cylinder (24) slidably arranged on the bottom of the No. 2 plate (5) on one side of the No. 2 plug-in ring (29); the No. 2 plug-in rod (27) slidably arranged between the No. 2 plug-in cylinder (28), the No. 2 plug-in ring (29) and the No. 2 sliding plug-in cylinder (24); a No. 1 plug-in cylinder (12) fixedly arranged on the top of the No. 1 U-shaped frame (8) on one side of the No. 2 plug-in cylinder (28); a No. 1 sliding plug-in cylinder (14) slidably arranged on the top of the No. 2 U-shaped frame (7) on one side of the No. 2 sliding plug-in cylinder (24); The No. 1 insertion rod (13) is slidably arranged between the No. 1 sliding insertion tube (14) and the No. 1 insertion tube (12); the No. 2 outer tube (22) is rotatably arranged at the bottom of the No. 2 sliding insertion tube (24); the No. 1 outer tube (9) is rotatably arranged at the top of the No. 1 sliding insertion tube (14), and the No. 1 outer tube (9) is in contact with the No. 2 outer tube (22); the No. 2 inner rod (23) is slidably arranged inside the No. 2 outer tube (22); the No. 1 inner rod (21) is slidably arranged inside the No. 1 outer tube (9); the No. 2 outer tube (22) and the No. 1 outer tube (9) are both provided with a clamping assembly for clamping the No. 2 inner rod (23) and the No. 1 inner rod (21) with the No. 2 insertion rod (27) and the No. 1 insertion rod (13) respectively.

2. A foldable electric bed according to claim 1, characterized in that: The engaging assembly comprises limiting slide grooves (31) which are both provided on the inner walls of the second outer cylinder (22) and the first outer cylinder (9) and are in an opposing state. The outer walls of the second inner rod (23) and the first inner rod (21) are both fixedly provided with limiting blocks (30), and the two limiting blocks (30) are respectively slidably provided inside the two limiting slide grooves (31). The second insertion rod (27) and the first insertion rod (13) are both provided with a clamping groove on one side close to each other. The second inner rod (23) and the first inner rod (21) respectively slide through the second sliding insertion cylinder (24) and the first sliding insertion cylinder (14), and are respectively located in the two clamping grooves of the second insertion rod (27) and the first insertion rod (13) and are clamped.

3. The foldable electric bed according to claim 1, characterized in that: Fixed rods (32) are fixedly provided on both sides of the connecting plate (4), and a connecting block (33) is slidably sleeved on the outer wall of the fixing rod (32). A No. 1 threaded rod (15) is provided at the bottom of the connecting block (33), and the top thread of the No. 1 threaded rod (15) penetrates the connecting block (33) and contacts the fixed rod (32). Connecting rods (3) are fixedly provided on both sides of the bottom of the table top (2), and the connecting rod (3) slides through the connecting block (33). A No. 2 threaded rod (34) is provided on one side of the connecting block (33), and the No. 2 threaded rod (34) penetrates the connecting block (33) and contacts the connecting rod (3).

4. The foldable electric bed according to claim 1, characterized in that: The second insertion rod (27) and the second insertion tube (28) are interference fit.

5. The foldable electric bed according to claim 1, characterized in that: The pedal plate (6) is fixedly arranged on a side of the second plate (5) away from the connecting plate (4).

6. The foldable electric bed according to claim 1, characterized in that: A common connecting shaft (16) is fixedly arranged between the two No. 1 inserting rods (13), and the connecting shaft (16) is located between the No. 1 inserting cylinder (12) and the No. 1 sliding inserting cylinder (14).

7. The foldable electric bed according to claim 1, characterized in that: A No. 2 T-shaped slide groove (25) is provided on both sides of the bottom of the No. 2 plate (5), a No. 2 T-shaped slider (26) is fixedly provided on the top of the No. 2 sliding insert (24), and the No. 2 T-shaped slider (26) is slidably provided inside the No. 2 T-shaped slide groove (25), and a No. 1 T-shaped slide groove (17) is provided on both sides of the top of the No. 2 U-shaped frame (7), and a No. 1 T-shaped slider (20) is fixedly provided on the bottom of the No. 1 sliding insert (14), and the No. 1 T-shaped slider (20) is slidably provided inside the No. 1 T-shaped slide groove (17).

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