CN213964046U

CN213964046U - Backrest angle adjusting device for hospital bed

Info

Publication number: CN213964046U
Application number: CN202022945098.1U
Authority: CN
Inventors: 刘莹; 张淑娣
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-17
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a back angle adjusting device for sick bed, is including being provided with sick bed body, crank, the portion of turning up, transition portion and the portion of predetermineeing of turning up bed board and fixed bed board, the portion of turning up sets up in the bottom surface of the bed board of turning up, the transition portion sets up in the bottom surface of fixed bed board, predetermine the portion and set up in the tail end of fixed bed board, turn up around being equipped with wire rope in the portion, wire rope wears transition portion to be connected with predetermineeing one's head, it drives the portion of turning up and rotates to turn up when rising to turn up the bed board, thereby the tractive wire rope, it can be by the regulating part of tractive distance to be provided with control wire rope in the portion of predetermineeing, regulating part control turns up the height that the bed board can rise. The utility model can preset the degree indicated by the adjusting nut, can control the lifting angle of the folded bed board, and reduces the risk of the patient with the position limit requirement when the cradle is operated; meanwhile, compared with an electric nursing bed, the cost is greatly reduced.

Description

Backrest angle adjusting device for hospital bed

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a backrest angle adjusting device for sickbed.

Background

The foldable nursing bed in hospital can be very conveniently lifted up and laid down during the hospitalization period of the patient, the life of the patient during the hospitalization period is convenient, the rocking angle of the patient bed of some special diseases or operations is strictly limited, and the body position is prevented from causing serious injury. The general hospital nursing bed has two types of electric control and hand-operated type, the electric control type is easy to realize the angle presetting, but the price is multiple times of the hand-operated type, the hand-operated type can only observe the round ball at the bed head or the pointer type angle indication at the present stage, and the hand-operated crank is arranged at the tail of the bed, thus bringing inconvenience to the operation; meanwhile, because the angle presetting function is not available, the patient who faces some body position limitation requirements may shake through the limitation angle, so that the operation risk is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model provides a backrest angle adjusting device for sickbed, which comprises:

the utility model provides a back angle adjusting device for sick bed, is including the sick bed body and the crank of setting at the fixed bed board tail end that are provided with the bed board of turning up and fixed bed board, turn up the bed board and be connected through the axle of turning up with fixed bed board, thereby the steerable axle of turning up of crank rotates and makes the bed board of turning up go up and down, still includes the portion of turning up, transition portion and predetermines the portion, the portion of turning up sets up in the bottom surface of the bed board of turning up, the transition portion sets up in the bottom surface of fixed bed board, predetermine the portion and set up in the tail end of fixed bed board, the portion of turning up is gone up around being equipped with wire rope, wire rope passes the transition portion to be connected with predetermineeing mutually, the portion of turning up is rotated in the drive when the bed board of turning up, thereby the tractive wire rope, predetermine and be provided with the control wire rope can be by the regulating part of tractive distance in the portion, regulating part control height that the bed board can rise.

Further, the portion of turning up includes that the shape is semicircular arc cell body and is fixed in the flat board of arc cell body top surface, the flat board is installed on the bottom surface of the bed board of turning up, the outside fluting of arc cell body, wire rope sets up around the inside of arc cell body, and wire rope's one end is worn out to the inboard of arc cell body, is provided with the fixing-line device on the wire rope of wearing out.

Further, the transition portion includes rotationally sets up first pulley, the second pulley between two risers and sets up the fixed plate at two riser tops from top to bottom, the fixed plate is installed in the bottom surface of fixed bed board, wire rope walks around second pulley and first pulley respectively to change its direction of extending.

Further, predetermine the portion including rotationally set up the third pulley, the fourth pulley of the right-hand member between two upper and lower diaphragms side by side and set up the degree board on last diaphragm, the left end of two diaphragms sets up the shrouding, and its inside riser that sets up, the regulation portion is including setting up optical axis and the screw rod on shrouding and riser side by side, the cover is equipped with spring and mobilizable slider on the optical axis, the right side of slider is located to the spring housing, wire rope is fixed in on the slider around third pulley, fourth pulley after-fixing respectively, be provided with on the screw rod and block the adjusting nut that the slider moved to the right, the last sharp convex shoulder that is used for directional degree board that is provided with of adjusting nut.

Furthermore, the angle scale number on the scale number plate is matched with the angle of the folded bed plate, and the arc length corresponding to the lifting angle of the folded bed plate is matched with the movable distance of the steel wire rope connected to the sliding block.

Further, the range of the measuring board is 0-80 degrees.

Has the advantages that:

the lifting angle adjusting part of the folding bed board of the utility model is arranged at the bed tail, which is convenient for observation and operation; the degree indicated by the adjusting nut is preset, the lifting angle of the folded bed plate can be controlled, and the risk of part of patients with the position limitation requirement during the operation of the shaking table is reduced; meanwhile, compared with an electric nursing bed, the cost is greatly reduced.

Drawings

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

Fig. 2 is a schematic view of the folded portion of the present invention.

Fig. 3 is a schematic view of the transition portion of the present invention.

Fig. 4 is a schematic view of the preset portion of the present invention.

Fig. 5 is a sectional view of the preset portion of the present invention.

In the figure: 1 sick bed body, 11 bed boards of turning up, 12 fixed bed boards, 13 crank, 2 portions of turning up, 21 arc cell bodies, 22 flat boards, 23 fixing-line device, 3 transition portion, 31 riser, 32 first pulley, 33 second pulley, 34 fixed plate, 4 preset portion, 41 diaphragm, 42 degrees several boards, 43 third pulley, 44 fourth pulley, 45 cushion, 5 regulation portions, 51 shrouding, 52 riser, 53 optical axis, 54 screw rod, 55 spring, 56 sliders, 57 adjusting nut, 58 sharp shoulders, 6 wire rope.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

as shown in fig. 1, a backrest angle adjusting device for a patient bed comprises a patient bed body 1 provided with a folding bed plate 11 and a fixed bed plate 12, a crank 13 arranged at the tail end of the fixed bed plate 12, a folding part 2, a transition part 3 and a preset part 4, wherein the folding bed plate 11 is connected with the fixed bed plate 12 through a folding shaft, and the crank 13 can control the rotation of the folding shaft so as to lift the folding bed plate 11; the utility model discloses a bed board, including bed board 11, transition portion 3, bed board 11, the portion of having turned up 2 sets up in the bottom surface of the bed board 11 of having turned up, transition portion 3 sets up in the bottom surface of fixed bed board 12, preset portion 4 sets up in the tail end of fixed bed board 12, around being equipped with wire rope 6 on the portion of having turned up 2, wire rope 6 wears transition portion 3 to be connected with preset portion 4, the portion of having turned up 2 rotations of drive when the bed board 11 of having turned up rises, thereby the tractive wire rope 6, be provided with control wire rope 6 on the preset portion 4 and can be by the regulating part 5 of tractive distance, the height that can rise of bed board 11 is turned up in the control of regulating part 5.

As shown in fig. 2, the folded part 2 includes an arc groove 21 in a semicircular shape and a flat plate 22 fixed on the top surface of the arc groove 21, the flat plate 22 is installed on the bottom surface of the folded bed plate 11, the outer side of the arc groove 21 is grooved, the steel wire rope 6 is arranged around the inside of the arc groove 21, one end of the steel wire rope 6 penetrates out to the inner side of the arc groove 21, and a wire clamping device 23 is arranged on the penetrated steel wire rope 6.

In this embodiment, the center of the arc-shaped groove body 21 is aligned with the central axis of the turning-up shaft, and a screw is used to pass through the waist-round hole to fix the left side of the turning-up portion 2 with the turning-up bed plate 11, so that the arc-shaped groove body 21 can rotate along with the turning-up bed plate 11 around the turning-up shaft. The steel wire rope 6 penetrates out of the top of the left end of the arc-shaped groove body 21, and the wire clamping device 23 can be used for tightening the steel wire rope 6 and locking the steel wire rope 6, and can also be used for manually tightening; the end of the steel wire rope 6 is set to be a knotted end to prevent the steel wire rope 6 from slipping, and the length of the knotted end and the tightness of the steel wire rope 6 can be adjusted.

As shown in fig. 3, the transition portion 3 includes a first pulley 32, a second pulley 33 and a fixing plate 34 disposed on the top of the two risers 31, the first pulley 32 and the second pulley 33 are rotatably disposed on the two risers 31, the fixing plate 34 is screwed through a waist circular hole disposed on the fixing plate 34, so that the fixing plate 34 is mounted on the bottom surface of the fixed bed plate 12, and the wire rope 6 is wound around the second pulley 33 and the first pulley 32 to change the extending direction thereof.

As shown in fig. 4, the preset portion 4 includes a third pulley 43 and a fourth pulley 44 rotatably disposed at the right end between the upper and lower horizontal plates 41 side by side, and a counting plate 42 disposed on the upper horizontal plate 41, a sealing plate 51 is disposed at the left end of the two horizontal plates 41, a vertical plate 52 is disposed inside the sealing plate, the adjusting portion 5 includes an optical axis 53 and a screw 54 fixedly disposed on the sealing plate 51 and the vertical plate 52 side by side, a spring 55 and a movable slider 56 are sleeved on the optical axis 53, the spring 55 is sleeved on the right side of the slider 56, and the wire rope 6 is fixed on the slider 56 after respectively passing around the third pulley 43 and the fourth pulley 44.

In this embodiment, the third pulley 43 and the fourth pulley 44 can stabilize the direction of the steel wire rope 6 and assist in tensioning the steel wire rope 6; a through hole through which a single steel wire rope 6 can pass is formed in the sliding block 56, the steel wire rope 6 is directly opposite to the through hole in the sliding block 56 in the direction drawn out from the tangent line of the fourth pulley 44, and the end of the steel wire rope 6 is a knotting end, so that the steel wire rope 6 can be fixed on the sliding block 56. A cushion block 45 with a waist circular hole is fixed on the transverse plate 41 above, and a screw passes through the waist circular hole to be connected and fixed with a cross beam at the tail part of the fixed bed plate 12. The first pulley 32, the second pulley 33, the third pulley 43 and the fourth pulley 44 are all composed of a hinged bolt and nut group, pulleys and split pins for preventing looseness and stopping.

As shown in fig. 5, the screw 54 is provided with an adjusting nut 57 capable of moving thereon, and the adjusting nut 57 is arranged at the right side of the sliding block 56 so as to block the sliding block 56 from moving rightwards; when the position of the adjusting nut 57 on the threaded rod 54 is adjusted, the distance that the sliding block 56 can move to the right is adjusted, and the wire rope 6 can be pulled along with the distance. The adjusting nut 57 is provided with a pointed shoulder 58 for pointing to the degree plate 42, the degree plate 42 is provided with different angle numbers, and the pointed shoulder 58 is used for pointing to the angle numbers, so that the corresponding rotating angle of the folding bed plate 11 can be displayed.

In this embodiment, the angle scale number on the scale number plate 42 matches the angle of the folded bed plate 11, and the arc length corresponding to the angle of the folded bed plate 11 matches the movable distance of the steel wire rope 6 connected to the slide block 56. Specifically, as the circle center of the arc-shaped groove body 21 is aligned with the central axis of the turning-up shaft when being installed, the arc length corresponding to the lifting angle phi is the length pulled by the steel wire rope 6; in a certain range, the arc length corresponding to the lift angle phi is linearly proportional to the lift angle phi, so that the length of the slider 56 which is slid to the right side is also linearly related to the lift angle phi; generally, the elevation angle phi of the folded bed plate 11 is 0 to 80 degrees, so the range of the preset range of the degree plate 42 is 0 to 80 degrees.

When in use, the adjusting nut 57 is rotated rightwards, so that the sharp shoulder 58 on the adjusting nut indicates the angle number of the degree counting plate 42, and the lifting angle of the folding bed plate 11 of the sickbed is preset; accompanying or nurse directly shakes the crank 13, the bed board 11 is folded up to drive the folding part 2 to rotate and draw the steel wire rope 6, the sliding block 56 also moves rightwards along with the rotation, and the movement is stopped until the sliding block moves to the position of the adjusting nut 57, namely the lifting angle of the bed board 11 is obtained; when the height of the folded bed plate 11 needs to be reduced or the folded bed plate 11 needs to be flatly placed, the adjusting nut 57 is rotated leftwards and adjusted to the corresponding angle number, the crank 13 is reversely shaken, the steel wire rope 6 loosens, and under the elastic force action of the spring 55 on the optical axis 53, the sliding block 56 is pushed to move leftwards, so that the steel wire rope 6 is continuously kept in a tensioning state until the folded bed plate 11 rotates to the preset angle.

Claims

1. The utility model provides a back angle adjusting device for sick bed, is including the sick bed body that is provided with the bed board of turning up and fixed bed board and the crank of setting at fixed bed board tail end, the bed board of turning up is connected through the axle of turning up with fixed bed board, thereby the steerable axle of turning up of crank rotates and makes the bed board of turning up go up and down, its characterized in that: still including turning up portion, transition portion and predetermineeing the portion, the portion of turning up sets up in the bottom surface of the bed board of turning up, the transition portion sets up in the bottom surface of fixed bed board, predetermine the portion and set up in the tail end of fixed bed board, around being equipped with wire rope in the portion of turning up, wire rope wears transition portion to be connected with predetermineeing mutually, the portion of turning up is rotated in the drive when the bed board of turning up rises, thereby the tractive wire rope, it can be by the regulation part of tractive distance to be provided with control wire rope in the portion of predetermineeing, the height that the bed board can rise is turned up in the control of regulation part.

2. A backrest angle adjusting device for a patient bed according to claim 1, wherein: the utility model discloses a bed board, including the arc cell body, the portion of turning up includes that the shape is semicircular arc cell body and is fixed in the flat board of arc cell body top surface, the flat board is installed on the bottom surface of the bed board of turning up, the outside fluting of arc cell body, wire rope sets up around the inside of arc cell body, and wire rope's one end is worn out to the inboard of arc cell body, is provided with the fixing-line device on the wire rope of wearing out.

3. A backrest angle adjusting device for a patient bed according to claim 2, wherein: the transition portion includes rotationally sets up first pulley, second pulley and the fixed plate of setting at two riser tops between two risers from top to bottom, the fixed plate is installed in the bottom surface of fixed bed board, wire rope walks around second pulley and first pulley respectively to change its direction of extension.

4. A backrest angle adjusting device for a patient bed according to claim 3, wherein: the preset part comprises a third pulley, a fourth pulley and a number plate, wherein the third pulley and the fourth pulley are rotatably arranged at the right end between an upper transverse plate and a lower transverse plate side by side, the number plate is arranged on the upper transverse plate, the left ends of the two transverse plates are provided with a sealing plate, a vertical plate is arranged in the sealing plate, the adjusting part comprises an optical shaft and a screw rod which are arranged on the sealing plate and the vertical plate side by side, a spring and a movable slider are sleeved on the optical shaft, the right side of the slider is sleeved with the spring, a steel wire rope is fixed on the slider after respectively bypassing the third pulley and the fourth pulley, an adjusting nut capable of blocking the slider from moving rightwards is arranged on the screw rod, and a pointed convex shoulder used for the number plate is arranged on the adjusting nut.

5. The backrest angle adjusting apparatus for a hospital bed according to claim 4, wherein: the angle scale number on the scale number plate is matched with the lifting angle of the folded bed plate, and the arc length corresponding to the lifting angle of the folded bed plate is matched with the movable distance of a steel wire rope connected to the sliding block.

6. A backrest angle adjusting device for a patient bed according to claim 5, wherein: the measuring range of the measuring board is 0-80 degrees.