CN212416159U

CN212416159U - Medical care bed convenient to go up and down

Info

Publication number: CN212416159U
Application number: CN202020410092.1U
Authority: CN
Inventors: 王冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-01-29
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a medical care bed convenient to go up and down relates to medical care equipment technical field, including the bedstead, the top surface of bedstead is provided with the bed board structure, the bed board structure includes middle bed board and the first end bed board and the second end bed board of swivelling joint in middle bed board both ends on the bedstead, the bottom of bedstead still is provided with elevating system, elevating system includes the driving piece, the both ends of driving piece transmission respectively are connected with first lead screw and second lead screw, first lead screw all rotates with the other end of second lead screw to be connected on the bedstead, screw nut pair is connected with first moving member on the first lead screw, first moving member rotates with first bed board through first crank and is connected, screw nut pair is connected with the second moving member on the second lead screw, the second moving member rotates with the second bed board through the second crank and is connected. The utility model discloses have the effect that reduces manufacturing cost, resources are saved.

Description

Medical care bed convenient to go up and down

Technical Field

The utility model relates to a medical care equipment technical field, more specifically say, it relates to a medical care bed convenient to go up and down.

Background

The nursing bed is mainly used for patients or severely disabled people in hospitals or home rehabilitation. When the nursing bed is used, the nursing bed can have the function of lifting the bed board in order to facilitate later nursing and improve the comfort level of a patient lying bed. Which comprises a nursing bed with a liftable headboard and a liftable footboard.

The lifting type nursing bed can be adjusted aiming at the existing headboard and footboard, when the lifting type nursing bed is used, the lifting driving structure usually adopts two independent lifting pieces, so that resources are greatly wasted, and the production cost is improved.

Based on the above problems, there is a need to provide a medical care bed convenient to lift and lower, which can share a lifting driving member and reduce the production cost.

SUMMERY OF THE UTILITY MODEL

To this problem in the practical application, the utility model aims to provide a medical care bed convenient to go up and down, concrete scheme is as follows:

a medical nursing bed convenient to lift comprises a bed frame, wherein a bed board structure is arranged on the top surface of the bed frame, the bed board structure comprises a middle bed board fixedly connected to the bed frame, a first end bed board and a second end bed board which are rotatably connected to two ends of the middle bed board, a lifting mechanism is further arranged at the bottom of the bed frame, the lifting mechanism comprises a driving piece, the driving piece is mounted at the middle position of the bottom of the bed frame, two ends of the driving piece are respectively in transmission connection with a first lead screw and a second lead screw, the other ends of the first lead screw and the second lead screw are rotatably connected to the bed frame, a first moving piece is connected to a lead screw nut pair on the first lead screw, the first moving piece is rotatably connected with the first end bed board through a first crank, a second moving piece is connected to a lead screw nut pair on the second lead screw, and the second moving piece is rotatably connected with the second end, the lifting mechanism is used for lifting the first end bed plate and the second end bed plate.

Furthermore, one end of the first crank is rotatably connected to the middle position of the bottom of the first end bed plate, and one end of the second crank is rotatably connected to the middle position of the bottom of the second end bed plate.

Furthermore, a support plate is arranged on the bedstead, and the driving piece is detachably arranged at the middle position of the top of the support plate;

limiting plates are respectively arranged at two ends of the driving piece and positioned at the top of the supporting plate, and the limiting plates are used for limiting the moving distance of the first moving piece and the second moving piece.

Furthermore, a first damping spring is arranged on the first screw rod along the moving direction of the first moving part, and a second damping spring is arranged on the second screw rod along the moving direction of the second moving part.

Furthermore, the first moving part and the second moving part respectively comprise an outer fixing part and an inner spiral part, the outer fixing part is sleeved on the inner spiral part, a plurality of electromagnets are uniformly distributed on the outer fixing part along the circumferential direction of the inner side surface of the outer fixing part, and the inner spiral part is made of magnetic materials.

Further, the driving piece adopts a double-shaft motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the lifting of the first end bed plate and the second end bed plate is realized simultaneously by adopting a double-shaft motor, and compared with the two independent driving structures in the prior art, the lifting mechanism is convenient to adjust, not only saves the production cost, but also saves the electric power resource;

(2) the first moving piece and the second moving piece are arranged into a structure formed by assembling an outer fixing piece and an inner spiral piece, and an electromagnet is arranged in the structure, so that the first end bed plate and the second bed plate can be independently adjusted, the adjusting mode is enriched, and more requirements of users are met;

(3) through set up first damping spring and second damping spring on first lead screw and second lead screw respectively, can play certain cushioning effect to the removal of first movable block and second movable block to help improving the lift stability of first end bed board and second end bed board.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the present invention;

FIG. 2 is a schematic view of the working state of the present invention;

fig. 3 is a cross-sectional view of the middle moving member of the present invention.

Reference numerals: 1. a bed frame; 2. a bed board structure; 21. a middle bed plate; 22. a first end bed plate; 23. a second end bed plate; 3. a lifting mechanism; 31. a drive member; 32. a first lead screw; 33. a first moving member; 34. a first crank; 35. a second lead screw; 36. a second moving member; 37. a second crank; 38. a support plate; 39. a limiting plate; 310. a first damping spring; 311. a second damping spring; 312. an outer fixing member; 313. an inner helical member; 314. an electromagnet.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in figures 1 to 3, a medical care bed convenient for lifting comprises a bed frame 1, a bed board structure 2 is arranged on the top surface of the bed frame 1, the bed board structure 2 comprises a middle bed board 21 fixedly connected to the bed frame 1, and a first end bed board 22 and a second end bed board 23 rotatably connected to two ends of the middle bed board 21, a lifting mechanism 3 is further arranged at the bottom of the bed frame 1, the lifting mechanism 3 comprises a driving member 31, the driving member 31 is mounted at the middle position of the bottom of the bed frame 1, two ends of the driving member 31 are respectively connected with a first lead screw 32 and a second lead screw 35 in a transmission manner, the other ends of the first lead screw 32 and the second lead screw 35 are both rotatably connected to the bed frame 1, a first moving member 33 is connected to a lead screw nut pair on the first lead screw 32, the first moving member 33 is rotatably connected to the first end bed board 22 through a first crank 34, the second moving member 36 is rotatably connected to the second end plate 23 through a second crank 37, and the lifting mechanism 3 is configured to lift the first end plate 22 and the second end plate 23.

In an initial state (i.e. when the first end plate 22 and the second end plate 23 are both parallel to the bed frame 1), the first moving member 33 is located on the first screw rod 32 on a side close to the limiting plate 39 and contacts with the limiting plate 39, the second moving member 36 is located at the middle position of the second screw rod 35, the second crank 37 is perpendicular to the second screw rod 35, and the directions of the external threads of the first screw rod 32 and the second screw rod 35 are the same.

One end of the first crank 34 is rotatably connected to the bottom middle position of the first end bed plate 22, and one end of the second crank 37 is rotatably connected to the bottom middle position of the second end bed plate 23.

A support plate 38 is arranged on the bedstead 1, and the driving piece 31 is detachably arranged at the middle position of the top of the support plate 38;

limiting plates 39 are respectively mounted at both ends of the driving member 31 and on the top of the supporting plate 38, and the limiting plates 39 are used for limiting the moving distance between the first moving member 33 and the second moving member 36. The limiting plate 39 is used for limiting the initial position of the first moving member 33, and the limiting plate 39 is used for limiting the final position of the second moving member 36, so that the purpose of limiting the moving distance of the first moving member 33 and the second moving member 36 is achieved.

The first screw rod 32 is provided with a first damping spring 310 along the moving direction of the first moving member 33, and the second screw rod 35 is provided with a second damping spring 311 along the moving direction of the second moving member 36. Preferably, one end of the first damper spring 310 abuts against the first moving member 33, and one end of the second damper spring 311 abuts against the second moving member 36. In this way, during the movement of the first moving member 33 and the second moving member 36, the first damping spring 310 and the second damping spring 311 may play a role of damping, thereby contributing to improvement of stability when the first end plate 22 and the second end plate 23 are lifted and lowered.

The first moving part 33 and the second moving part 36 both include an outer fixed part 312 and an inner spiral part 313, the outer fixed part 312 is sleeved on the inner spiral part 313, a plurality of electromagnets 314 are uniformly distributed on the outer fixed part 312 along the inner side surface of the outer fixed part in the circumferential direction, and the inner spiral part 313 is made of a magnetic material. Preferably, the magnetic material is a steel alloy. Thus, when the electromagnets 314 in the first moving member 33 and the second moving member 36 are both energized, the electromagnets 314 are energized to generate magnetism, the outer fixing member 312 and the inner spiral member 313 are attracted together under the action of the magnetic force, and the driving member 31 operates to simultaneously drive the first moving member 33 and the second moving member 36 to simultaneously move, so that the first end plate 22 and the second end plate 23 can be simultaneously adjusted; when the electromagnet 314 in the first moving member 33 is energized and the electromagnet 314 in the second moving member 36 is not energized, the driving member 31 works to drive the first moving member 33 to move, the outer fixing member 312 in the second moving member 36 is not connected with the inner spiral member 313, and after the driving member 31 works, the inner spiral member 313 in the second moving member 36 is in an idle running state, so that the second moving member 36 does not move at the moment, and the function of independently adjusting the first end bed plate 22 can be achieved; when the electromagnet 314 in the second moving member 36 is energized and the electromagnet 314 in the first moving member 33 is not energized, the function of individually adjusting the second end plate 23 can be achieved in the same way as above.

The driving member 31 employs a biaxial motor. Preferably, the driver 31 is of the type YD (A) K-100-4.

The utility model discloses a concrete implementation principle does: the work of double-shaft motor, drive first lead screw 32 and second lead screw 35 and rotate, because first lead screw 32 is connected with first moving member 33 screw nut pair, second lead screw 35 is connected with second moving member 36 screw nut pair, again owing to possess the restriction of first crank 34 and second crank 37, first moving member 33 and second moving member 36 move towards the horizontal direction of first lead screw 32 and second lead screw 35 respectively, thereby realize the lift of first end bed board 22 and second end bed board 23, it is convenient to go up and down, make things convenient for patient to use, save the motor simultaneously, and the production cost is saved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A medical care bed convenient to lift comprises a bed frame (1) and is characterized in that a bed board structure (2) is arranged on the top surface of the bed frame (1), the bed board structure (2) comprises a middle bed board (21) fixedly connected to the bed frame (1) and a first end bed board (22) and a second end bed board (23) which are rotatably connected to two ends of the middle bed board (21), a lifting mechanism (3) is further arranged at the bottom of the bed frame (1), the lifting mechanism (3) comprises a driving piece (31), the driving piece (31) is installed at the middle position of the bottom of the bed frame (1), two ends of the driving piece (31) are respectively in transmission connection with a first screw rod (32) and a second screw rod (35), the other ends of the first screw rod (32) and the second screw rod (35) are rotatably connected to the bed frame (1), screw nut pair is connected with first moving member (33) on first lead screw (32), first moving member (33) through first crank (34) with first end bed board (22) rotate to be connected, screw nut pair is connected with second moving member (36) on second lead screw (35), second moving member (36) through second crank (37) with second end bed board (23) rotate to be connected, elevating system (3) are used for going up and down first end bed board (22) with second end bed board (23).

2. The medical care bed facilitating lifting and lowering as claimed in claim 1, wherein one end of the first crank (34) is rotatably connected to the first end plate (22) at a bottom middle position, and one end of the second crank (37) is rotatably connected to the second end plate (23) at a bottom middle position.

3. The medical care bed convenient to lift as claimed in claim 1, wherein a support plate (38) is mounted on the bed frame (1), and the driving member (31) is detachably mounted at a top middle position of the support plate (38);

limiting plates (39) are respectively mounted at two ends of the driving piece (31) and positioned at the top of the supporting plate (38), and the limiting plates (39) are used for limiting the moving distance between the first moving piece (33) and the second moving piece (36).

4. The medical care bed convenient to lift and lower as recited in claim 1, wherein a first damping spring (310) is arranged on the first screw rod (32) along the moving direction of the first moving member (33), and a second damping spring (311) is arranged on the second screw rod (35) along the moving direction of the second moving member (36).

5. The medical care bed convenient to lift and lower as claimed in claim 1, wherein the first moving member (33) and the second moving member (36) both comprise an outer fixing member (312) and an inner spiral member (313), the outer fixing member (312) is sleeved on the inner spiral member (313), a plurality of electromagnets (314) are uniformly distributed on the outer fixing member (312) along the circumferential direction of the inner side surface thereof, and the inner spiral member (313) is made of a magnetic material.

6. The medical care bed facilitating lifting and lowering according to claim 1, wherein the driving member (31) employs a two-shaft motor.