CN215385324U

CN215385324U - Ergonomic hospital bed

Info

Publication number: CN215385324U
Application number: CN202120684461.0U
Authority: CN
Inventors: 程进; 陈权辉
Original assignee: Chongqing Shunmeiji Medical Instrument Co ltd
Current assignee: Chongqing Shunmeiji Medical Instrument Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-04
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a sickbed conforming to ergonomics, which comprises a bedstead and a bed board arranged on the bedstead, wherein the bedstead is provided with a plurality of grooves; the bed plate comprises a fixed plate, an adjustable bending device and a matching plate which are connected in sequence; the fixed plate is fixedly connected with the bedstead; one end of the matching plate, which is far away from the fixed plate, is in sliding connection with the bedstead along the vertical direction; the adjustable bending device is used for adjusting the bending angle between the fixed plate and the matching plate, and the distance between the bending position of the adjustable bending device and the fixed plate is adjustable. According to the utility model, the bending angle between the fixing plate and the matching plate is adjusted by the adjustable bending device, so that a patient sits on the fixing plate, and the shank part of the patient is placed on the matching plate, thereby greatly improving the comfort level of the patient when sitting and lying.

Description

Ergonomic hospital bed

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a sickbed conforming to ergonomics.

Background

Sickbeds are well-entrenched as common facilities of hospitals for a long time, and the progress of the times means that substances are greatly abundant, so that the requirements of people on life are higher and higher. After a patient is hospitalized, the sickbed is used as a main place for people to rest, most of the time of the patient is spent on the sickbed, and the sleeping and lying comfort degree of the sickbed is particularly important. Patients often need to sit and lie on the sickbed, the upper half body and the lower half body form a certain angle, and the body is easy to fatigue and numbness over a long time, which affects the body health. Therefore, a hospital bed which can adjust the bending angle of the lower leg and the thigh of a patient when the patient sits and lies and is suitable for different people and different thigh length sizes is necessary.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the sickbed conforming to the human engineering, so that the comfort level of a patient in sitting and lying is improved, and the injury of the patient caused by long-term sitting and lying body numbness is reduced.

The utility model provides a sickbed conforming to ergonomics, which comprises a bedstead and a bed board arranged on the bedstead, wherein the bedstead is provided with a plurality of grooves; the bed plate comprises a fixed plate, an adjustable bending device and a matching plate which are connected in sequence; the fixed plate is fixedly connected with the bedstead; one end of the matching plate, which is far away from the fixed plate, is connected with the bedstead in a sliding way along the vertical direction; the adjustable bending device is used for adjusting the bending angle between the fixed plate and the matching plate, and the distance between the bending position of the adjustable bending device and the fixed plate is adjustable.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the bending device is adjustable to adjust the fixed plate and the matching plate to bend at a certain angle, so that a patient sits on the fixed plate, and the shank part of the patient is placed on the matching plate, thereby greatly improving the comfort level of the patient when sitting and lying, aiming at patients with different heights, the distance from the bending point to the fixed plate is adjusted by the adjustable bending device to adapt to patients with different thigh lengths, so that the knee of the patient can be always positioned at the bending point by the adjusting device without moving the body, the comfort level of the patient is further improved, and the convenience is also improved for many patients who are inconvenient to act.

Preferably, the adjustable bending device comprises a support shaft and two support plates which are positioned at two sides of the support shaft and hinged with the support shaft; the opposite surfaces of the fixed plate and the matching plate are respectively provided with a abdicating groove; the two support plates are respectively inserted in the abdicating groove of the fixed plate and the abdicating groove of the matching plate in a sliding manner; the two ends of the supporting shaft are in sliding fit with the bed frame.

Preferably, the adjustable bending device further comprises a transition mechanism which is laid on the supporting shaft and the two supporting plates; the transition mechanism is positioned between the fixed plate and the matching plate; the transition mechanism comprises a plurality of transition strips which are arranged in parallel; two adjacent transition strips are connected through a rubber block; the transition strips on the two outer sides of the transition mechanism are respectively connected with the fixed plate and the matching plate through rubber blocks.

Preferably, the adjustable bending device further comprises a motor, a feed shaft, a first sleeve, a second sleeve and a first positioning bearing;

the motor is arranged on the frame; a rotating shaft of the motor is connected with a square hole sleeve along the same central line; a square rod is arranged in the square hole sleeve in a sliding mode; one end of the feed shaft is inserted into the square hole sleeve and is connected with the same central line of the square rod, and the other end of the feed shaft is connected with a matched lifting mechanism; the matching lifting mechanism is connected with the matching plate; the axis of the feeding shaft is perpendicular to the axis of the supporting shaft; the first sleeve is connected with the lower side surface of the supporting shaft through a connecting rod; the outer wall of the second sleeve is in threaded connection with the inner wall of the first sleeve; the inner wall of the second sleeve is connected with two first limiting blocks which are symmetrically arranged by taking the axis of the second sleeve as a center; the outer wall of the feeding shaft is connected with two first rotating strips which are symmetrically arranged by taking the axis of the feeding shaft as the center; the two first rotating strips respectively abut against the two first limiting blocks along the circumferential direction of the feeding shaft; one ends of the two first rotating strips, which are far away from the feeding shaft, are in sliding fit with the inner wall of the second sleeve; the periphery of the first positioning bearing is connected with the bedstead, and the second positioning bearing is sleeved on the outer wall of the second sleeve along the same central line.

Preferably, the cooperating lifting mechanism comprises a third sleeve, a second positioning bearing, a supporting wedge block and a moving wedge block;

the inner wall of the third sleeve is connected with two second limiting blocks which are symmetrically arranged by taking the axis of the third sleeve as a center; the outer wall of the feeding shaft is connected with two second rotary strips which are symmetrically arranged by taking the axis of the feeding shaft as the center; the second rotating strip is positioned between the first rotating strip and the third sleeve; when the feeding shaft performs axial feeding, the second rotary strip is inserted in the third sleeve in a sliding mode along the inner wall of the third sleeve; the two second rotating strips respectively abut against the two second limiting blocks along the circumferential direction of the feeding shaft; the periphery of the third sleeve is connected with the inner ring of the second positioning bearing at the same center line; the outer wall of the second positioning bearing is connected with the bedstead; the supporting wedge block is provided with a through hole; the outer wall of the third sleeve is in threaded connection with the through hole of the wedge-shaped block; the supporting wedge-shaped block is matched on the bed frame in a sliding manner along the axial direction of the feeding shaft; the upper inclined plane of the supporting wedge block is abutted against the lower inclined plane of the moving wedge block; the upper surface of the moving wedge block is connected with one end, far away from the fixed plate, of the matching plate.

Preferably, the device further comprises a U-shaped push-pull rod; the feeding shaft is connected with the middle part of the U-shaped push-pull rod through a bearing; the two arms of the U-shaped push-pull rod are positioned at the two sides of the bed frame.

Preferably, two sliding pins are connected to both sides of the mating plate; sliding grooves are respectively formed in the bedstead corresponding to the two sliding pins; the sliding pins are in sliding fit with the corresponding sliding grooves along the vertical direction; and the connecting line of the two sliding pins is perpendicular to the axis of the feeding shaft.

Drawings

FIG. 1 is a schematic view of an ergonomic patient bed in accordance with an embodiment of the present invention;

figure 2 is an enlarged partial view of the second sleeve of the ergonomic bed of figure 1 in cooperation with the feed shaft;

figure 3 is an enlarged partial schematic view of the cooperating lift mechanism of the ergonomic bed of figure 1;

figure 4 is a side (cut-away) view of the ergonomic bed of figure 1 with the second sleeve mated with the feed shaft;

figure 5 is a left side view (cut along the support wedge) of the ergonomic bed of figure 1;

figure 6 is a top view of the ergonomic hospital bed of figure 1;

fig. 7 is a top view of the ergonomic bed of fig. 1 (without the transition strip).

The reference numbers illustrate:

1. a bed frame;

2. a bed board; 21. a fixing plate; 22. a mating plate; 221. a slide pin; 23. a yielding groove;

3. an adjustable bending device; 31. a support shaft; 32. a support plate; 33. a transition mechanism; 331. a transition strip; 34. a motor; 35. a feed shaft; 351. a first revolving bar; 352. a second revolution bar; 36. a first sleeve; 37. a second sleeve; 371. a first stopper; 38. a first positioning bearing; 39. a square hole sleeve; 40. a square rod; 41. matching with a lifting mechanism; 411. a third sleeve; 412. a second positioning bearing; 413. supporting the wedge block; 414. moving the wedge block; 415. a second limiting block; 42. u type push-and-pull rod.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

In order to make the objects, technical solutions and beneficial effects of the present invention more clearly apparent, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 7, the present invention provides an ergonomic hospital bed, which includes a bed frame 1 and a bed plate 2 installed on the bed frame 1; the bed board 2 comprises a fixed board 21, an adjustable bending device 3 and a matching board 22 which are connected in sequence; the fixed plate 21 is fixedly connected with the bedstead 1; one end of the matching plate 22 far away from the fixed plate 21 is connected with the bedstead 1 in a sliding way along the vertical direction; the adjustable bending device 3 is used for adjusting the bending angle between the fixed plate 21 and the matching plate 22, and the distance between the bending position of the adjustable bending device 3 and the fixed plate 21 is adjustable.

According to the patient bed conforming to the ergonomics of the embodiment, the patient needs to sit and lie after lying for a long time, the back of the patient is well padded, the upper half body of the patient is in a lying state, the bending point moves to the position below the knee of the patient by adjusting the adjustable bending device 3, and the matching plate 22 is bent by taking the bending point as the center by utilizing the adjustable bending device 3 again, so that the lower leg of the patient naturally inclines. Especially, when a patient sits on the fixing plate 21 vertically, the device can greatly improve the comfort of the patient in the state that the upper half body is vertical to the lower half body.

In addition, the adjustable bending device 3 includes a support shaft 31 and two support plates 32 located at both sides of the support shaft 31 and hinged to the support shaft 31; the opposite surfaces of the fixed plate 21 and the matching plate 22 are respectively provided with a abdicating groove 23; the two support plates 32 are respectively inserted into the receding groove 23 of the fixed plate 21 and the receding groove 23 of the matching plate 22 in a sliding manner.

The ergonomic hospital bed of the present embodiment is adapted to the size difference of thighs of different people by controlling the supporting shaft 31 to approach or depart from the fixing plate 21 to change the total length of the supporting surface formed by the supporting plate 32 and the fixing plate 21 on one side of the supporting shaft 31.

In detail, the adjustable bending device 3 further comprises a transition mechanism 33 laid on the support shaft 31 and the two support plates 32; the transition mechanism 33 is positioned between the fixed plate 21 and the matching plate 22; the transition mechanism 33 includes a plurality of transition bars 331 arranged in parallel; two adjacent transition strips 331 are connected through a rubber block; the transition strips 331 on the two outer sides of the transition mechanism 33 are respectively connected with the fixed plate 21 and the matching plate 22 through rubber blocks; the two ends of the supporting shaft 31 are in sliding fit with the bedstead 1; sliding grooves are formed in the bedstead and correspond to the two ends of the supporting shaft 31, and the two ends of the supporting shaft 31 are in sliding fit in the corresponding sliding grooves.

The sick bed that accords with human engineering of this embodiment, the sick bed needs to fill up the mattress, in order to prevent that the mattress card from the gap between backup pad 32 and fixed plate 21, installs transition mechanism 33 additional on backup pad 32 and back shaft 31, and transition strip 331 that transition mechanism 33 includes upwards bears the mattress cotton-padded mattress, is supported by backup pad 32 downwards. When the engagement plate 22 is bent with respect to the fixing plate 21, the rubber block between the adjacent transition strips 331 above the support shaft 31 is also bent.

Specifically, the adjustable bending apparatus 3 further includes a motor 34, a feed shaft 35, a first sleeve 36, a second sleeve 37, and a first positioning bearing 38.

The motor 34 is arranged on the frame; a square hole sleeve 39 is connected with the same central line on the rotating shaft of the motor 34; a square rod 40 is arranged in the square hole sleeve 39 in a sliding way; one end of the feed shaft 35 is inserted into the square hole sleeve 39 and is connected with the square rod 40 along the same central line, and the other end of the feed shaft 35 is connected with a matched lifting mechanism 41; the matching lifting mechanism 41 is connected with the matching plate 22; the axis of the feed shaft 35 is perpendicular to the axis of the support shaft 31; the first sleeve 36 is connected with the lower side surface of the support shaft 31 through a connecting rod; the outer wall of the second sleeve 37 is in threaded connection with the inner wall of the first sleeve 36; two first limiting blocks 371 symmetrically arranged by taking the axis as the center are connected on the inner wall of the second sleeve 37; two first rotating strips 351 which are symmetrically arranged by taking the axis of the feeding shaft 35 as the center are connected to the outer wall of the feeding shaft 35; the two first rotating strips 351 respectively abut against the two first limiting blocks 371 along the circumferential direction of the feeding shaft 35; one ends of the two first rotating strips 351 far away from the feeding shaft 35 are in sliding fit with the inner wall of the second sleeve 37; the first positioning bearing 38 is connected to the frame 1 at its outer periphery, and the second positioning bearing 412 is sleeved on the outer wall of the second sleeve 37 at the same center line.

According to the ergonomic hospital bed of the present embodiment, the motor 34 rotates to drive the square-hole sleeve 39 to rotate, and the square rod 40 slidably disposed in the square-hole sleeve 39 can axially extend and retract in a rotating state. The feed shaft 35 connected to the square bar 40 is fed in its axial direction while rotating. When the position of the supporting shaft 31 needs to be adjusted to reach the position below the knee of a patient and further to be matched with bending, the feeding shaft 35 is driven to feed along the axial direction, the first rotating strip 351 connected to the feeding shaft 35 slides into the second sleeve 37 when feeding along with the feeding shaft 35, at the moment, the motor 34 rotates, the first rotating strip 351 abuts against the first limiting block 371 in the rotating process of the feeding shaft 35, the second sleeve 37 is driven to rotate, the second sleeve 37 is connected to the bedstead 1 through the second positioning bearing 412, the second sleeve 37 can only rotate, the first sleeve 36 in threaded connection with the second sleeve 37 can only move along the axial direction of the feeding shaft 35, and the supporting shaft 31 connected with the first sleeve 36 is close to or far away from the fixing plate 21.

Further, the fitting elevating mechanism 41 includes a third sleeve 411, a second positioning bearing 412, a supporting wedge 413, and a moving wedge 414.

The inner wall of the third sleeve 411 is connected with two second limiting blocks 415 which are symmetrically arranged by taking the axis thereof as the center; two second rotating strips 352 symmetrically arranged by taking the axis of the feeding shaft 35 as the center are connected to the outer wall of the feeding shaft; the second gyration bar 352 is located between the first gyration bar 351 and the third sleeve 411; when the feeding shaft 35 performs axial feeding, the second rotary bar 352 is inserted slidably along the inner wall of the third sleeve 411; the two second rotating strips 352 respectively abut against the two second limiting blocks 415 along the circumferential direction of the feeding shaft 35; the outer periphery of the third sleeve 411 is connected with the inner ring of the second positioning bearing 412 at the same center line; the outer wall of the second positioning bearing 412 is connected with the bedstead 1; the supporting wedge block 413 is provided with a through hole; the outer wall of the third sleeve 411 is in threaded connection with a through hole of the support wedge 413; the lower end of the support wedge-shaped block 413 is provided with a placement groove; the bed frame 1 is provided with a slide rail; the length direction of the slide rail is parallel to the length direction of the feed shaft 35; the placing groove is in sliding fit with the sliding rail; the upper inclined surface of the support wedge block 413 abuts against the lower inclined surface of the moving wedge block 414; the upper surface of the moving wedge block 414 is connected to the end of the mating plate 22 remote from the fixed plate 21.

In the ergonomic hospital bed of the present embodiment, after the patient has adjusted the position of the supporting shaft 31, the patient needs to adjust the fitting plate 22 to have a certain angle with respect to the fixing plate 21 to place the lower leg; at this time, the motor 34 is turned off, the feeding shaft 35 feeds, the second rotating strip 352 is inserted into the third sleeve 411 in a sliding manner, and the third sleeve 411 can be driven to rotate through the cooperation of the second limiting block 415, and the transmission mode of the third sleeve 411 is the same as that of the first rotating strip 351 and the second sleeve 37. At this time, the first rotating bar 351 is separated from the second sleeve 37, and the support shaft 31 is still and the third sleeve 411 rotates. The rotation of the third sleeve 411 drives the supporting wedge 413 to move up and down, and the moving wedge 414 abutting against the supporting wedge 413 drives one end of the matching plate 22 to move up and down. So that the mating plate 22 is bent with respect to the fixing plate 21.

The feed shaft 35 is connected with the middle part of the U-shaped push-pull rod 42 through a bearing; the two arms of the U-shaped push-pull rod 42 are located on both sides of the frame 1.

In the ergonomic hospital bed of the present embodiment, for the convenience of operation, the patient can drive the feeding shaft 35 to axially feed on the bed through the U-shaped push-pull rods 42 on both sides of the bed frame 1 to control the feeding shaft 35 to select whether to drive the supporting shaft 31 to move or to move the supporting wedge 413 up and down; i.e. the patient can choose to adjust the bending point and the bending degree.

Detailed description of the slide-fit manner of the fitting plate 22 to the frame 1: two sliding pins 221 are connected to both sides of the mating plate 22; sliding grooves are respectively formed on the bedstead 1 corresponding to the two sliding pins 221; the sliding pin 221 is in sliding fit with the corresponding sliding groove along the vertical direction; the line connecting the two slide pins 221 is perpendicular to the axis of the feed shaft 35.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An ergonomic hospital bed comprises a bed frame and a bed board mounted on the bed frame; the method is characterized in that: the bed plate comprises a fixed plate, an adjustable bending device and a matching plate which are connected in sequence; the fixed plate is fixedly connected with the bedstead; one end of the matching plate, which is far away from the fixed plate, is connected with the bedstead in a sliding way along the vertical direction; the adjustable bending device is used for adjusting the bending angle between the fixed plate and the matching plate, and the distance between the bending position of the adjustable bending device and the fixed plate is adjustable.

2. The ergonomic hospital bed of claim 1 wherein said adjustable bending means comprises a support shaft and two support plates located on either side of said support shaft and hinged to said support shaft; the opposite surfaces of the fixed plate and the matching plate are respectively provided with a abdicating groove; the two support plates are respectively inserted in the abdicating groove of the fixed plate and the abdicating groove of the matching plate in a sliding manner; the two ends of the supporting shaft are in sliding fit with the bed frame.

3. The ergonomic hospital bed of claim 2 wherein said adjustable bending device further comprises a transition mechanism layered on the support shaft and the two support plates; the transition mechanism is positioned between the fixed plate and the matching plate; the transition mechanism comprises a plurality of transition strips which are arranged in parallel; two adjacent transition strips are connected through a rubber block; the transition strips on the two outer sides of the transition mechanism are respectively connected with the fixed plate and the matching plate through rubber blocks.

4. The ergonomic hospital bed of claim 2 wherein said adjustable bending device further comprises a motor, a feed shaft, a first sleeve, a second sleeve, and a first positioning bearing;

5. The ergonomic hospital bed of claim 4 wherein the cooperating lift mechanism comprises a third sleeve, a second positioning bearing, a support wedge, and a motion wedge;

the inner wall of the third sleeve is connected with two second limiting blocks which are symmetrically arranged by taking the axis of the third sleeve as a center; the outer wall of the feeding shaft is connected with two second rotary strips which are symmetrically arranged by taking the axis of the feeding shaft as the center; the second rotating strip is positioned between the first rotating strip and the third sleeve; when the feeding shaft performs axial feeding, the second rotary strip is inserted in the third sleeve in a sliding mode along the inner wall of the third sleeve; the two second rotating strips respectively abut against the two second limiting blocks along the circumferential direction of the feeding shaft; the periphery of the third sleeve is connected with the inner ring of the second positioning bearing at the same center line; the outer wall of the second positioning bearing is connected with the bedstead; the supporting wedge block is provided with a through hole; the outer wall of the third sleeve is in threaded connection with the through hole of the supporting wedge block; the supporting wedge-shaped block is matched on the bed frame in a sliding manner along the axial direction of the feeding shaft; the upper inclined plane of the supporting wedge block is abutted against the lower inclined plane of the moving wedge block; the upper surface of the moving wedge block is connected with one end, far away from the fixed plate, of the matching plate.

6. The ergonomic hospital bed of claim 4 further comprising a U-shaped push-pull rod; the feeding shaft is connected with the middle part of the U-shaped push-pull rod through a bearing; the two arms of the U-shaped push-pull rod are positioned at the two sides of the bed frame.

7. The ergonomic hospital bed of claim 5 wherein two sliding pins are attached to both sides of said engagement plate; sliding grooves are respectively formed in the bedstead corresponding to the two sliding pins; the sliding pins are in sliding fit with the corresponding sliding grooves along the vertical direction; and the connecting line of the two sliding pins is perpendicular to the axis of the feeding shaft.