CN217525630U

CN217525630U - Nursing bed with quick raising and lowering functions

Info

Publication number: CN217525630U
Application number: CN202121431490.2U
Authority: CN
Inventors: 克劳斯·柏林霍特; 范伟斌; 王春祥
Original assignee: Jiaxing Sainuo Machinery Co ltd
Current assignee: Tiankang Technology Co.,Ltd.
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2022-10-04
Anticipated expiration: 2031-06-26

Abstract

The utility model discloses a nursing bed with quick raising and lowering functions, including the bed body, bed piece, chassis, elevating gear, set up the holding tank that extends upwards from the lower surface on the bed piece, elevating gear includes intermediate frame, electric putter, roof-rack, mechanical link gear. In the process that the electric push rod drives the bottom frame to lift, a mechanical linkage mechanism for driving the bottom frame and the top frame to mutually approach or separate is arranged among the middle frame, the bottom frame and the top frame, and the top frame is arranged on a bed sheet of the bed body; therefore, when the push rod of the electric push rod extends to drive the bed body to ascend (at the moment, the bottom frame is far away from the middle frame, and the top frame is far away from the middle frame), the ascending stroke of the bed body is equal to the extending stroke of the push rod of the electric push rod plus the moving stroke of the top frame, when the push rod of the electric push rod shortens to drive the bed body to descend (at the moment, the bottom frame is close to the middle frame, and the top frame is close to the middle frame), the descending stroke of the bed body is equal to the shortened stroke of the push rod of the electric push rod plus the moving stroke of the top frame, and finally the function of quick ascending and descending is realized.

Description

Nursing bed with quick raising and lowering functions

Technical Field

The application relates to the technical field of nursing beds, in particular to a nursing bed with a quick lifting function.

Background

The nursing bed is used for patient rehabilitation nursing, and is mainly applied to places such as hospitals, nursing homes and home nursing. The footpost is usually for lift adjustment formula or folding hidden among the current nursing bed to realize adjusting nursing bed height, and be convenient for transport and store when accomodating.

For example, chinese patent No. CN211356352U, entitled "chinese patent publication No. 8/28/2020/8/6352U", discloses a nursing bed with a fast folding and unfolding structure, and in example 2 of the specification, discloses bed legs combined by telescopic rods and universal wheels, and the height of the nursing bed is adjusted by adjusting the length of the telescopic rods.

However, in the above lifting adjustment process, the telescopic rod is adjusted in length manually, so that the operation is inconvenient and labor is wasted in the adjustment process. There is also a document that an electric push rod is used to replace a telescopic rod for lifting adjustment, but when the electric push rod is used for lifting adjustment, in order to ensure stability, the lifting speed of the push rod of the electric push rod is not too high, and finally, the function of quick lifting is difficult to realize.

SUMMERY OF THE UTILITY MODEL

In order to realize the function of quick lift in the time of guaranteeing stability, carry out lift adjustment's in-process at electric putter, through the mechanical design of increase stroke for the lift stroke of nursing bed is greater than electric putter's push rod lift stroke, in order to realize the function of quick lift, this application provides a nursing bed with quick raising and lowering functions.

In a first aspect, the application provides a nursing bed with a rapid lifting function, which adopts the following technical scheme: the utility model provides a nursing bed with quick raising and lowering functions, includes the bed body, two bed sheets that set up respectively at the bed body front and back end, go up and down to set up on the bed sheet and have the chassis of a plurality of universal wheels, set up the elevating gear between bed sheet and chassis, set up the holding tank that upwards extends from the lower surface on the bed sheet, elevating gear is including going up and down to set up the intermediate frame on the chassis, set up electric putter between intermediate frame and chassis, go up and down to set up the roof-rack on the intermediate frame, order about chassis and roof-rack and be close to each other or the mechanical link gear who keeps away from each other, the roof-rack embedding is in the holding tank and fixed mutually with the top of holding tank, mechanical link gear sets up between intermediate frame, chassis, roof-rack.

By adopting the technical scheme, in the process that the electric push rod drives the bottom frame to lift, the middle frame, the bottom frame and the top frame are provided with the mechanical linkage mechanism for driving the bottom frame and the top frame to mutually approach or separate, and the top frame is arranged on the bed sheet of the bed body; therefore, when the push rod of the electric push rod extends to drive the bed body to ascend (at the moment, the bottom frame is far away from the middle frame, and the top frame is far away from the middle frame), the ascending stroke of the bed body is equal to the extending stroke of the push rod of the electric push rod plus the moving stroke of the top frame, when the push rod of the electric push rod shortens to drive the bed body to descend (at the moment, the bottom frame is close to the middle frame, and the top frame is close to the middle frame), the descending stroke of the bed body is equal to the shortened stroke of the push rod of the electric push rod plus the moving stroke of the top frame, and finally the function of quick ascending and descending is realized.

Optionally, the mechanical linkage mechanism comprises a first chain wheel rotatably connected to the top of the middle frame, a second chain wheel rotatably connected to the bottom of the middle frame and located right below the first chain wheel, and a chain rotatably connected between the first chain wheel and the second chain wheel, a first connecting rod which extends upwards and is fixed to the upper end of one side of the chain is arranged on the bottom frame, and a second connecting rod which extends downwards and is fixed to the lower end of the other side of the chain is arranged on the top frame.

By adopting the technical scheme, in the process that the bottom frame is far away from the middle frame, the first connecting rod on the bottom frame drives the chain to rotate, so that the connecting point of one side of the chain and the first connecting rod moves downwards, and in the process that the chain rotates, the other side of the chain and the connecting point of the second connecting rod move upwards, so that the top frame is far away from the middle frame, and the purpose of driving the bottom frame and the top frame to approach each other is achieved; on the contrary, the aim of driving the bottom frame and the top frame to be away from each other can be fulfilled.

Optionally, the two mechanical linkage mechanisms are arranged side by side, the two first connecting rods are respectively connected to one side of the two chains close to each other, and the two second connecting rods are respectively connected to one side of the two chains far away from each other; a reinforcing plate in a U shape is arranged between the tops of the two first connecting rods.

By adopting the technical scheme, the two mechanical linkage mechanisms are arranged, so that the stability of the bottom frame and the top frame when the bottom frame and the top frame are close to or far away from each other can be improved; and two head rod decibels are connected in the one side that two chains block each other and are close to, and are provided with the reinforcing plate between the top of two head rods to can improve the structural strength of chassis, improve chassis and mechanical linkage and combine the stability of waiting.

Optionally, a first embedded groove for embedding one side of the chain is formed in the first connecting rod, and a second embedded groove for embedding one side of the chain is formed in the second connecting rod.

Through adopting above-mentioned technical scheme, the first embedded groove on the head rod can supply one side embedding of chain, and the second embedded groove on the second connecting rod can supply one side embedding of chain to when first sprocket, second sprocket and the chain through mechanical link realize that chassis and roof-rack are close to each other or the purpose of keeping away from each other, can reduce rocking of chain belt.

Optionally, the both sides bottom of middle frame is provided with the intervalve that extends along vertical direction respectively, be provided with two interior stand pipes of embedding in the intervalve respectively on the chassis, set up two outer stand pipes of establishing respectively on two intervalves on the roof-rack, the both sides top of middle frame is provided with the guide block of contradicting in the week side of outer stand pipe respectively, be formed with the arc breach of contradicting in the week side of outer stand pipe on the guide block.

By adopting the technical scheme, the inner guide pipe on the underframe is embedded in the middle pipe of the middle frame, so that the underframe and the middle frame are omitted; the outer guide pipe on the top frame is sleeved on the middle pipe of the middle frame, so that the lifting arrangement of the top frame and the middle frame is realized, and the arrangement of the guide block can improve the stability of the lifting process of the top frame.

Optionally, baffles covering the mechanical linkage mechanism are arranged on the front end face and the rear end face of the middle frame along the length direction of the bed body.

Through adopting above-mentioned technical scheme, at the in-process that the bed body ascended to, the relative bed piece downstream back of intermediate frame can make mechanical linkage expose outside, can realize covering mechanical linkage through setting up the baffle, avoids colliding with mechanical linkage, and can improve the aesthetic property.

Optionally, the two ends of the underframe are provided with bent ends which are bent towards the direction far away from the ground, the universal wheels are mounted on the bent ends, and the lowest height of the universal wheels is lower than that of the underframe.

Through adopting above-mentioned scheme, the both ends of chassis are formed with the crooked end of the direction bending of keeping away from ground, and the universal wheel is installed at crooked serving, and the below height of universal wheel is less than the below height of chassis, reduces the influence that the height of universal wheel caused to the minimum height that the bed body can reach.

In summary, the present application includes at least one of the following beneficial technical effects: in the process that the electric push rod drives the bottom frame to lift, a mechanical linkage mechanism for driving the bottom frame and the top frame to mutually approach or separate is arranged among the middle frame, the bottom frame and the top frame, and the top frame is arranged on a bed sheet of the bed body; therefore, when the push rod of the electric push rod extends to drive the bed body to ascend (at the moment, the bottom frame is far away from the middle frame, and the top frame is far away from the middle frame), the ascending stroke of the bed body is equal to the extending stroke of the push rod of the electric push rod plus the moving stroke of the top frame, when the push rod of the electric push rod shortens to drive the bed body to descend (at the moment, the bottom frame is close to the middle frame, and the top frame is close to the middle frame), the descending stroke of the bed body is equal to the shortened stroke of the push rod of the electric push rod plus the moving stroke of the top frame, and finally the function of quick ascending and descending is realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the bed sheet, the bottom frame, and the lifting device of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 with the bed sheet omitted;

fig. 4 is a schematic structural view of fig. 3 with the baffle omitted.

Description of reference numerals: 1. a bed body; 2. a bed sheet; 21. accommodating grooves; 3. a chassis; 31. a bent end; 32. a universal wheel; 33. a first connecting rod; 331. a first embedded groove; 34. a reinforcing plate; 35. an inner guide tube; 4. a lifting device; 41. a middle frame; 411. an intermediate pipe; 412. a guide block; 413. a baffle plate; 42. an electric push rod; 43. a top frame; 431. a second connecting rod; 4311. a second embedded groove; 432. an outer guide tube; 44. a mechanical linkage mechanism; 441. a first sprocket; 442. a second sprocket; 443. and a chain.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings, which are all incorporated in and constitute a part of this specification.

The embodiment is as follows: a nursing bed with a rapid lifting function is shown in figures 1 and 2 and comprises a bed body 1, two bed sheets 2 respectively arranged at the front end and the rear end of the bed body 1, a bottom frame 3 arranged on the bed sheets 2 in a lifting way and provided with two universal wheels 32, and a lifting device 4 arranged between the bed sheets 2 and the bottom frame 3.

As shown in fig. 1 and 2, both ends of the base frame 3 are formed with bent ends 31 bent in a direction away from the ground, and universal wheels 32 are mounted on the bent ends 31, and the lowermost height of the universal wheels 32 is lower than the lowermost height of the base frame 3.

As shown in fig. 2 to 4, the bed sheet 2 is provided with a receiving groove 21 extending upward from the lower surface. The lifting device 4 includes an intermediate frame 41 arranged on the base frame 3 to be lifted, an electric push rod 42 arranged between the intermediate frame 41 and the base frame 3, a top frame 43 arranged on the intermediate frame 41 to be lifted, and a mechanical linkage 44 for driving the base frame 3 and the top frame 43 to approach or move away from each other. The top frame 43 is inserted into the receiving groove 21 and fixed to the top of the receiving groove 21.

As shown in fig. 3, the middle frame 41 is provided at both side bottom portions thereof with middle pipes 411 extending in the vertical direction, respectively, and the bottom frame 3 is provided with two inner guide pipes 35 inserted into the middle pipes 411, respectively. The top frame 43 is provided with two outer guide tubes 432 respectively sleeved on the two middle tubes 411, the tops of the two sides of the middle frame 41 are respectively provided with a guide block 412 abutting against the peripheral sides of the outer guide tubes 432, and the guide block 412 is provided with an arc notch (not marked in the figure) abutting against the peripheral sides of the outer guide tubes 432.

As shown in fig. 4, the mechanical linkage 44 is provided between the intermediate frame 41, the bottom frame 3, and the top frame 43. Mechanical linkage 44 includes a first sprocket 441 rotatably coupled to the top of intermediate frame 41, a second sprocket 442 rotatably coupled to the bottom of intermediate frame 41 and located directly below first sprocket 441, and a chain 443 rotatably coupled between first sprocket 441 and second sprocket 442. The bottom frame 3 is provided with a first connecting rod 33 extending upward and fixed to the upper end of one side of the chain 443, and the top frame 43 is provided with a second connecting rod 431 extending downward and fixed to the lower end of the other side of the chain 443. Meanwhile, the first connecting rod 33 is provided with a first insertion groove 331 into which one side of the chain 443 is inserted, and the second connecting rod 431 is provided with a second insertion groove 4311 into which one side of the chain 443 is inserted.

As shown in fig. 4, the mechanical linkage 44 is arranged in two rows, two first connecting rods 33 are connected to the sides of the two chains 443 that are close to each other, and two second connecting rods 431 are connected to the sides of the two chains 443 that are away from each other. And a reinforcing plate 34 having a U-shape is provided between the tops of the two first connecting rods 33. Meanwhile, the front and rear end surfaces of the intermediate frame 41 along the longitudinal direction of the bed 1 are provided with baffles 413 covering the mechanical linkage mechanism 44.

The implementation effect is as follows: in the process that the electric push rod 42 drives the underframe 3 to ascend and descend, a mechanical linkage mechanism 44 for driving the underframe 3 and the top frame 43 to approach or separate from each other is arranged among the middle frame 41, the underframe 3 and the top frame 43, and the top frame 43 is arranged on the bed sheet 2 of the bed body 1; therefore, when the push rod of the electric push rod 42 extends to drive the bed body 1 to ascend (at this time, the bottom frame 3 is far away from the middle frame 41, and the top frame 43 is far away from the middle frame 41), the ascending stroke of the bed body 1 is equal to the extending stroke of the push rod of the electric push rod 42 plus the moving stroke of the top frame 43, and when the push rod of the electric push rod 42 shortens to drive the bed body 1 to descend (at this time, the bottom frame 3 is close to the middle frame 41, and the top frame 43 is close to the middle frame 41), the descending stroke of the bed body 1 is equal to the shortened stroke of the push rod of the electric push rod 42 plus the moving stroke of the top frame 43, and finally, the function of rapid ascending and descending is realized.

Meanwhile, the mechanical linkage 44 works as follows: in the process that the bottom frame 3 is far away from the middle frame 41, the first connecting rod 33 on the bottom frame 3 drives the chain 443 to rotate, so that one side of the chain 443 and the connecting point of the first connecting rod 33 move downwards, and in the process that the chain 443 rotates, the other side of the chain 443 and the connecting point of the second connecting rod 431 move upwards, so that the top frame 43 is far away from the middle frame 41, and the purpose of driving the bottom frame 3 and the top frame 43 to approach each other is achieved; conversely, the purpose of urging the bottom frame 3 and the top frame 43 away from each other can be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a nursing bed with quick raising and lowering functions, includes bed body (1), two bed sheets (2) that set up respectively at bed body (1) front and back end, goes up and down to set up on bed sheet (2) and have chassis (3) of a plurality of universal wheels (32), set up elevating gear (4) between bed sheet (2) and chassis (3), its characterized in that: the bed sheet (2) is provided with an accommodating groove (21) extending upwards from the lower surface, the lifting device (4) comprises a middle frame (41) arranged on the bottom frame (3) in a lifting mode, an electric push rod (42) arranged between the middle frame (41) and the bottom frame (3), a top frame (43) arranged on the middle frame (41) in a lifting mode, and a mechanical linkage mechanism (44) driving the bottom frame (3) and the top frame (43) to be close to or far away from each other, the top frame (43) is embedded into the accommodating groove (21) and fixed with the top of the accommodating groove (21), and the mechanical linkage mechanism (44) is arranged among the middle frame (41), the bottom frame (3) and the top frame (43).

2. The nursing bed with the rapid lifting function as claimed in claim 1, wherein: the mechanical linkage mechanism (44) comprises a first chain wheel (441) rotatably connected to the top of the middle frame (41), a second chain wheel (442) rotatably connected to the bottom of the middle frame (41) and located right below the first chain wheel (441), and a chain (443) rotatably connected between the first chain wheel (441) and the second chain wheel (442), wherein a first connecting rod (33) extending upwards and then fixed to the upper end of one side of the chain (443) is arranged on the bottom frame (3), and a second connecting rod (431) extending downwards and then fixed to the lower end of the other side of the chain (443) is arranged on the top frame (43).

3. A nursing bed with a rapid lifting function according to claim 2, characterized in that: the two mechanical linkage mechanisms (44) are arranged side by side, the two first connecting rods (33) are respectively connected to one sides, close to the two chains (443), of the two chains (443), and the two second connecting rods (431) are respectively connected to one sides, far away from the two chains (443), of the two chains (443); a U-shaped reinforcing plate (34) is arranged between the tops of the two first connecting rods (33).

4. A nursing bed with a rapid lifting function according to claim 2, characterized in that: the first connecting rod (33) is provided with a first embedded groove (331) for embedding one side of the chain (443), and the second connecting rod (431) is provided with a second embedded groove (4311) for embedding one side of the chain (443).

5. The nursing bed with the rapid lifting function as claimed in claim 1, wherein: the utility model discloses a guide block, including middle frame (41), roof frame (43), top frame (41), middle frame (41) and top frame (43), the both sides bottom of middle frame (41) is provided with respectively along middle pipe (411) that vertical direction extends, be provided with two interior stand pipe (35) of embedding respectively in middle pipe (411) on chassis (3), set up two outer stand pipe (432) of establishing respectively on two middle pipe (411), the both sides top of middle frame (41) is provided with respectively and contradicts guide block (412) in the week side of outer stand pipe (432), be formed with the arc breach of contradicting in the week side of outer stand pipe (432) on guide block (412).

6. The nursing bed with the rapid lifting function as claimed in claim 1, wherein: the front end surface and the rear end surface of the middle frame (41) along the length direction of the bed body (1) are provided with baffles (413) for covering the mechanical linkage mechanism (44).

7. The nursing bed with the rapid lifting function as claimed in claim 1, wherein: the two ends of the underframe (3) are provided with bent ends (31) which bend towards the direction far away from the ground, the universal wheels (32) are installed on the bent ends (31), and the lowest height of the universal wheels (32) is lower than that of the underframe (3).