CN110638248A

CN110638248A - Automatic accompanying bed

Info

Publication number: CN110638248A
Application number: CN201910945389.XA
Authority: CN
Inventors: 汤跃; 王红霞
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: Nanfang Hospital; First Affiliated Hospital of PLA Military Medical University
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-01-03

Abstract

The invention relates to the field of furniture, and particularly discloses an automatic accompanying bed, which comprises at least three bottom plates, wherein adjacent bottom plates are hinged, the top of each bottom plate is fixed with a buffer layer, the bottom of the bottom plate on one side is fixed with a supporting leg, and the bottom of the bottom plate on the other side is hinged with a supporting frame; a pull rope is fixed on the bottom plate fixed with the supporting legs, and a stepping motor capable of rolling the pull rope is fixed on the supporting frame; a heating cavity is arranged in the bottom plate, a plurality of hot air channels are arranged on the top wall of the heating cavity, a piston is vertically connected in the hot air channels in a sliding manner, the piston is higher than the top of the bottom plate, a spring is fixed between the piston and the inner wall of the heating cavity, and an exhaust channel communicated with the heating cavity when the piston slides downwards is arranged on the piston; the buffer layer is provided with a plurality of through holes, and the heating cavity is communicated with an air inlet part and a heating part. The accompanying bed in the scheme can be slowly and automatically unfolded without being completely unfolded manually, so that a large sound is prevented from being generated during unfolding.

Description

Automatic accompanying bed

Technical Field

The invention relates to the field of furniture, in particular to an automatic accompanying bed.

Background

Accompanying bed can make things convenient for patient's family members to have a rest in the ward night, can fold moreover during the daytime, can not cause the hindrance to the walking of other personnel in ward, doctor or nurse, present hospital, every sick bed is furnished with an accompanying bed at least. The accompanying bed is in a seat shape when being folded in the daytime, and when being used at night, the lower ends of the folded parts need to be manually pushed away from each other, so that the accompanying bed is unfolded into a bed shape.

Patent like application number 201820633010.2 discloses a foldable accompanying bed chair, including support frame, postnotum, preceding backplate, seat, support frame and postnotum rotate to be connected, postnotum and preceding backplate rotate to be connected, preceding backplate and seat rotate to be connected its characterized in that: the supporting frame is provided with two pairs of supporting legs which are bilaterally symmetrical, two rear legs of the two pairs of supporting legs are fixed through connecting rods, a cross beam is arranged on each of the two pairs of supporting legs, a limiting rod is arranged between the cross beams, the limiting rod is perpendicular to the cross beams, a baffle is arranged on each of two front legs of the two pairs of supporting legs, the baffle is positioned between the two front legs, and a bolt is arranged on one side of the baffle; two folding legs which are symmetrical left and right are arranged at the bottom of the front back plate.

However, the conventional accompanying bed is unfolded completely by manpower, and the manpower cannot completely and accurately master the unfolding force during unfolding, so that the accompanying bed is too hard to be unfolded quickly, the legs of the accompanying bed collide with the ground or move relatively, and a loud sound is generated. Since the accompanying bed is generally used at night, and patients in the sick bed are generally suffered from serious diseases and need to be rested, the sudden sound easily disturbs the patients.

Disclosure of Invention

The invention aims to provide an accompanying bed capable of slowly and automatically expanding, which does not need to be completely expanded manually and avoids loud sound generated during expansion.

In order to achieve the purpose, the technical scheme of the invention is as follows: an automatic accompanying bed comprises at least three bottom plates, wherein adjacent bottom plates are hinged, the top of each bottom plate is fixed with a buffer layer, the bottom of the bottom plate on one side is fixed with a support leg, and the bottom of the bottom plate on the other side is hinged with a support frame; a pull rope is fixed on the bottom plate fixed with the supporting leg, and a stepping motor capable of rolling the pull rope is fixed on the supporting frame; a heating cavity is arranged in the bottom plate, a push rod is transversely arranged in the heating cavity, a plurality of hot air channels are arranged on the top wall of the heating cavity, a piston is vertically connected in the hot air channels in a sliding mode and is higher than the top of the bottom plate, a spring is fixed between the piston and the inner wall of the heating cavity, an exhaust channel communicated with the heating cavity when the piston slides downwards is arranged on the piston, and a plurality of push rods for pushing the piston upwards out of the hot air channels are fixed on the push rod; the buffer layer is provided with a plurality of through holes, and the heating cavity is communicated with an air inlet part and a heating part.

The beneficial effect of this scheme does:

1. the pulling rope is fixed on the bottom plate, and when the pulling rope is wound by the stepping motor, the bottom plate is under the pulling force of the pulling rope and moves towards the direction close to the support frame under the pulling force, so that the companion bed can be folded automatically; when the accompanying bed needs to be unfolded, the stay cord is slowly loosened by the stepping motor, the accompanying bed can be unfolded by outwards pulling the accompanying bed, and the unfolding speed of the accompanying bed is in direct proportion to the loosening speed of the stay cord because the stay cord is rolled up by the stepping motor, so that the condition that the accompanying bed is suddenly unfolded by force cannot occur, and the sound is avoided from being generated by collision.

2. Step motor in this scheme draws close through the stay cord pulling bottom plate to the folding that the completion accompanies the bed can effectively reduce user's work load.

3. In order to meet the requirements of most people and avoid the wounds of patients from being inflamed due to overhigh temperature, the temperature in a ward is generally 25-27 ℃. In addition, when the bed is actually used, each accompanying bed is generally only provided with a quilt, the temperature of a human body can be reduced after the bed is asleep, and due to the fact that the accompanying beds need to be folded, gaps exist between adjacent bottom plates, when a person sleeps on the accompanying beds, heat of the human body can be dissipated from the gaps, and therefore the bed is very easy to catch cold when the bed is used for resting at night for cold-afraid users. Heating member and air inlet member during operation in this scheme can let in hot-air to the heating intracavity, lie when accompanying the bed with the piston push down when the people to make exhaust passage and heating chamber intercommunication, the hot-air in the heating chamber can blow off through exhaust passage, prevents the reduction of human body temperature, avoids the user to catch a cold.

4. The hot air can be contacted with other body parts of the user which are not directly contacted with the buffer layer after being blown out from the exhaust passage, so that heat is provided for the parts, and the warm-keeping effect is better; secondly, the dissipated hot air can also provide heat for the room.

Furthermore, the supporting legs are provided with rollers.

The beneficial effect of this scheme does: when folding and expansion, the landing leg needs to remove relative ground, and the landing leg in this scheme can not take place to slide with ground even not being lifted upwards by the user, produces the sound when further avoiding the landing leg to slide.

Further, the number of the bottom plates is four.

The beneficial effect of this scheme does: the folding back of the companion bed in this scheme still has two horizontal bottom plates, can form two chairs of back-to-back form, can supply two people to use simultaneously and can not interfere each other.

Furthermore, both ends of the bottom plate positioned at the outermost side are provided with supporting legs.

The beneficial effect of this scheme does: the landing leg can support the both ends of bottom plate, improves and supports intensity.

Further, transversely be equipped with the push rod in the heating chamber, fixed a plurality of ejector pins that upwards release hot gas path with the piston on the push rod, every the bottom plate bottom all rotates and is connected with the dwang, and adjacent dwang is articulated, and is fixed with the cam that upwards promotes the push rod on the dwang.

The beneficial effect of this scheme does: when the cam rotates, the push rod is pushed upwards, so that the push rod pushes the piston upwards out of the hot air channel, and hot air in the heating cavity continuously flows out of the hot air channel. Under the more moist condition of environment, when the bed of accompanying with does not use for a long time, can inhale vapor in the buffer layer, the steam of following the steam channel outflow in this scheme can carry out the drying to the buffer layer, and the comfort level of the bed of accompanying with after the drying is better, and also can avoid the intraformational vapor of buffer to cause adverse effect to user's health.

Further, the tip that the dwang that is located the outside kept away from adjacent dwang is fixed with the horizontal pole, the axial of horizontal pole is along the radial of dwang.

The beneficial effect of this scheme does: when the dwang needs to be rotated, a user can hold the cross rod, and the rotation dwang is more convenient.

Further, a rubber layer is fixed on the cross rod.

The beneficial effect of this scheme does: the rubber layer can prevent the hand from sliding relative to the cross rod.

Further, the top in heating chamber is equipped with out the air cavity, and hot gas passage both ends communicate respectively and heat the chamber and go out the air cavity, it is equipped with a plurality of ventholes to go out the air cavity top, and gives vent to anger the intracavity vertically and horizontally staggered and be fixed with the baffle that separates the chamber for a plurality of cavities of giving vent to anger, and the piston in every cavity is one at least, and after the piston gliding, exhaust passage intercommunication heating chamber and cavity, the piston top run through the cavity roof and with cavity roof sliding connection.

The beneficial effect of this scheme does: when the piston in the cavity in this scheme was pushed down, steam just can get into this cavity, makes the temperature rise of this cavity, namely the piston of the space department that the user does not use can not pushed down, and steam can't get into in the cavity of the piston department that is not pushed down to make steam only around the user, avoid steam to spill over the loss from the department of using, improve the utilization ratio of steam.

Further, the buffer layer includes the sponge layer and is located the skin on sponge layer top.

The beneficial effect of this scheme does: the sponge has the advantages of low cost, good air permeability and softness, and can reduce the cost while ensuring the comfort level.

Further, the outer layer is made of waterproof and breathable cloth materials.

The beneficial effect of this scheme does: when steam can pass is guaranteed to the skin in this scheme, can also avoid in the use, in carelessly dropping to the water droplet of accompanying bed and immersing buffer layer and bottom plate, further avoid accompanying bed to wet.

Drawings

FIG. 1 is a front view of embodiment 1 of the present invention;

FIG. 2 is an elevational, longitudinal, partial cross-sectional view of the first base plate of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a front view of embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a first bottom plate 1, supporting legs 11, rollers 12, a heating cavity 13, a hot air channel 14, a piston 15, an exhaust channel 16, a spring 17, an outer layer 2, a through hole 21, a sponge layer 22, a supporting frame 3, a stepping motor 31, a pull rope 32, a transverse support 33, a vertical support 34, a rotating rod 4, a cam 41, a fixed block 42, an elastic ring 43, an air outlet cavity 5, a baffle plate 51, an air outlet hole 52, a push rod 6, an ejector rod 61, a push rod 62, a cross rod 7 and a rubber layer 71.

Example 1

The utility model provides an automatic accompany bed, as shown in fig. 1, fig. 2 and fig. 3, including three piece at least bottom plates, the quantity of bottom plate in this embodiment is three, adjacent bottom plate is articulated, be first bottom plate 1 from the right side left respectively, second bottom plate and third bottom plate, first bottom plate 1, second bottom plate and third bottom plate top all are equipped with the buffer layer, use first bottom plate 1 as the example, the buffer layer in this embodiment includes sponge layer 22 and the skin 2 that is located sponge layer 22 top, skin 2 in this embodiment chooses for use waterproof ventilative cloth material, the edge of skin 2 and sponge layer 22 is glued on the lateral wall of first bottom plate 1, be equipped with a plurality of through-holes 21 on the skin 2.

The equal vertical welding in both ends bottom has landing leg 11 about first bottom plate 1, and the pivot has all been welded to the lower extreme of every landing leg 11, is equipped with gyro wheel 12 in the pivot, and gyro wheel 12 and pivot clearance fit, pivot both ends all weld in landing leg 11 bottom, and when first bottom plate 1 removed, gyro wheel 12 rolled along ground. Be equipped with support frame 3 on the third bottom plate, support frame 3 includes horizontal support 33 and the vertical support 34 of welding on horizontal support 33, and the third bottom plate left end is articulated with horizontal support 33 left end, and when the bed of accompanying and attending is folding, the third bottom plate uses the left end to rotate as the center of rotation.

The right-hand member of second bottom plate has glued the stay cord 32, and step motor 31 is installed through the bolt to the 3 left ends of support frame, and the left end of stay cord 32 splices in step motor 31's drive shaft, and when step motor 31 during operation, stay cord 32 rolling is on step motor 31's output shaft.

Heating cavities 13 are respectively arranged in the first bottom plate 1, the second bottom plate and the third bottom plate, in the embodiment, taking the first bottom plate 1 as an example, an air outlet cavity 5 is arranged above the heating cavity 13, a plurality of air outlet holes 52 are arranged at the top of the air outlet cavity 5, a plurality of baffle plates 51 are vertically and longitudinally welded in the air outlet cavity 5 in a staggered manner, the air outlet cavity 5 is divided into a plurality of quadrilateral cavities which are parallel by the baffle plates 51, a piston 15 is arranged in each cavity, and the upper end of the piston 15 penetrates through the top wall of the cavity and is in sliding seal with the top wall; the bottom wall of the cavity is provided with a hot gas channel 14 communicated with the heating cavity 13, the piston 15 is in sliding seal with the side wall of the hot gas channel 14, a spring 17 is arranged below the piston 15, the upper end and the lower end of the spring 17 are respectively welded at the bottom of the piston 15 and the bottom wall of the heating cavity 13, and the piston 15 slides upwards under the action of the spring 17. An L-shaped exhaust passage 16 is arranged in the piston 15, the lower end of the piston 15 is positioned in the hot gas passage 14 under the action of a spring 17 in a natural state, the lower end of the exhaust passage 16 is sealed by the hot gas passage 14, and after the lower end of the piston 15 slides downwards to the position below the hot gas passage 14, the heating cavity 13 is communicated with the cavity through the exhaust passage 16.

A push rod 6 is transversely arranged in the heating cavity 13, a plurality of ejector rods 61 which are respectively positioned below the plurality of pistons 15 are welded at the top of the push rod 6, and the outer diameter of each ejector rod 61 is smaller than the diameter of the exhaust channel 16; the bottom of the push rod 6 is welded with a push rod 62, and the lower end of the push rod 62 penetrates through the bottom wall of the heating cavity 13. First bottom plate 1, second bottom plate and third bottom plate below all are equipped with dwang 4, and adjacent dwang 4 is articulated, and just articulated department is located adjacent bottom plate and articulates under, and equal flat key is connected with cam 41 on every dwang 4, and cam 41 is located the below of catch bar 62. First bottom plate 1, second bottom plate and third bottom plate bottom all weld have fixed block 42, three dwang 4 transversely run through three fixed block 42 respectively and with three fixed block 42 clearance fit, be equipped with elastic ring 43 between fixed block 42 and the dwang 4, elastic ring 43 in this embodiment is the rubber material, and elastic ring 43 splices on fixed block 42. The left end of the rotating rod 4 positioned below the third bottom plate is welded with a cross rod 7 along the radial direction, and when the cross rod 7 rotates to the vertical state and is positioned above the rotating rod 4, the rotating center of the adjacent rotating rod 4 is in the horizontal state, and the outer part of the cross rod 7 is glued with an annular rubber layer 71.

The support frame 3 is fixed with an air inlet piece through a bolt, the air inlet piece in the embodiment is a micro air pump and is communicated with the heating cavities 13 in the three bottom plates through corrugated pipes, and the corrugated pipes are communicated with the three heating cavities 13 and provided with heating pipes for heating air entering the heating cavities 13.

The specific implementation process is as follows:

when needing folding accompanying bed, the manual work earlier rotates horizontal pole 7 to vertical state and is located dwang 4 tops, upwards lifts 10 ~ 30 with the articulated department of second bottom plate and third bottom plate simultaneously to start step motor 31, step motor 31 rolling stay cord 32, with second bottom plate right-hand member pulling left, second bottom plate clockwise turning, third bottom plate anticlockwise rotation simultaneously, first bottom plate 1 slides left. Finally the second and third bottom panels are folded into an inverted V and the stepper motor 31 is manually turned off.

When the accompanying bed needs to be unfolded, the stepping motor 31 is manually started and the stepping motor 31 rotates reversely, the pulling rope 32 is gradually loosened by the stepping motor 31, and the right end of the second bottom plate gradually slides rightwards under the action of the weight of the second bottom plate and the third bottom plate. After the first bottom plate 1, the second bottom plate and the third bottom plate are unfolded into flat plates, the stepping motor 31 is manually turned off.

When the environment is moist, the air inlet part and the heating part are started manually, the air inlet part leads in air to the heating cavity 13, the heating part heats the entering air, meanwhile, the rotating rod 4 is rotated manually through the cross rod 7, the rotating rod 4 upwards pushes the push rod 62 through the cam 41, the push rod 6 upwards pushes the piston 15 out of the hot air channel 14 through the ejector rod 61, the air in the heating cavity 13 flows to the air outlet cavity 5 from all the hot air channels 14 and enters the sponge layer 22 from the air outlet hole 52, the sponge layer 22 is dried, then the air inlet part and the heating part are manually closed, the rotating rod 4 is manually rotated again, the push rod 6 falls downwards to the bottom of the heating cavity 13 under the gravity action of the push rod 6 and the piston 15, and the lower end of the piston 15 enters the hot air channel 14.

When the temperature is low, the air inlet piece and the heating piece are manually started, hot air enters the heating cavity 13, when a user lies on the accompanying bed, the piston 15 positioned below the user is pressed downwards by the user, the lower end of the piston 15 enters the heating cavity 13, the heating cavity 13 is communicated with the cavity positioned below the user through the exhaust channel 16, the hot air firstly enters the cavity below the user and then is exhausted from the air outlet hole 52 on the cavity, and the excessive reduction of the body temperature of the user is prevented.

Example 2

The difference from embodiment 1 is that, as shown in fig. 4, the bed for accompanying with in this embodiment includes four bottom plates, the fourth bottom plate is located on the left side of the third bottom plate, the right end of the fourth bottom plate is hinged to the left end of the third bottom plate, the bottom of the fourth bottom plate is welded with the support leg 11, the support leg 11 on the fourth bottom plate in this embodiment is not provided with the roller 12, the lower part of the fourth bottom plate is also provided with the rotating rod 4 and the cam 41, and the cross rod 7 is located at the left end of the rotating rod 4 below the fourth bottom plate. In addition, a storage battery is fixed on the support frame 3 through bolts and is connected with the stepping motor in series.

The folding form that is two seats back to back that accompanies the bed in this embodiment, and step motor during operation need not the connection socket, and the battery directly supplies power for step motor, and the use of the bed of accompanying in this embodiment is not restricted by the source position, and application range is bigger. Except for this, the folding, unfolding and using method of the accompanying bed in this embodiment is the same as that of embodiment 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. The utility model provides an automatic accompany bed, includes three piece at least bottom plates, and adjacent bottom plate is articulated, and every bottom plate top all is fixed with the buffer layer, and the bottom plate bottom that is located one side wherein is fixed with the landing leg, and the bottom plate bottom that is located the opposite side articulates there is support frame, its characterized in that: a pull rope is fixed on the bottom plate fixed with the supporting leg, and a stepping motor capable of rolling the pull rope is fixed on the supporting frame; a heating cavity is arranged in the bottom plate, a plurality of hot air channels are arranged on the top wall of the heating cavity, a piston is vertically connected in the hot air channels in a sliding mode and is higher than the top of the bottom plate, a spring is fixed between the piston and the inner wall of the heating cavity, and an exhaust channel communicated with the heating cavity when the piston slides downwards is arranged on the piston; the buffer layer is provided with a plurality of through holes, and the heating cavity is communicated with an air inlet part and a heating part.

2. The automatic accompanying bed according to claim 1, wherein: and the supporting legs are provided with rollers.

3. The automatic accompanying bed according to claim 2, wherein: the number of the bottom plates is four.

4. The automatic accompanying bed according to claim 3, wherein: the two ends of the bottom plate positioned at the outermost side are provided with supporting legs.

5. The automatic accompanying bed according to claim 1, wherein: the heating intracavity transversely is equipped with the push rod, fixed a plurality of ejector pins that upwards release hot gas path with the piston on the push rod, every the bottom plate bottom all rotates and is connected with the dwang, and adjacent dwang is articulated, and is fixed with the cam that upwards promotes the push rod on the dwang.

6. The automatic accompanying bed according to claim 5, wherein: the tip that is located the dwang in the outside and keeps away from adjacent dwang is fixed with the horizontal pole, the radial of dwang is followed to the axial of horizontal pole.

7. The automatic accompanying bed according to claim 6, wherein: and a rubber layer is fixed on the cross bar.

8. The automatic accompanying bed according to claim 1, wherein: the top in heating chamber is equipped with out the air cavity, and hot gas passage both ends communicate respectively and heat the chamber and go out the air cavity, it is equipped with a plurality of ventholes to go out the air cavity top, and gives vent to anger the intracavity vertically and horizontally staggered and be fixed with the baffle that separates for a plurality of cavities with going out the air cavity, and the piston in every cavity is one at least, and after the piston gliding, exhaust passage intercommunication heating chamber and cavity, the piston top run through the cavity roof and with cavity roof sliding connection.

9. The automatic accompanying bed according to claim 8, wherein: the buffer layer comprises a sponge layer and an outer layer positioned above the sponge layer.

10. The automatic accompanying bed according to claim 9, wherein: the outer layer is made of waterproof and breathable cloth materials.