CN211095437U

CN211095437U - Quadrilateral linkage mechanism, wheelchair bed and separated type nursing bed

Info

Publication number: CN211095437U
Application number: CN201921525957.2U
Authority: CN
Inventors: 胡捍东; 杨荣洪
Original assignee: Foshan Shunkangda Medical Technology Co ltd
Current assignee: Foshan Shunkangda Medical Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-28
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a quadrangle link gear, wheelchair bed and disconnect-type bed of maintaining the aged, this wheelchair bed includes quadrangle link gear, through quadrangle link gear regulation control, realize the wheelchair bed and upwards fold up and form the wheelchair, expand downwards and form the bed, thereby can make things convenient for bed patient to live, alleviate the personnel's burden of nursing, bed person self can realize sitting and lying and the smooth switching of action, it is more convenient that the user uses, promote use comfort, because the wheelchair bed possesses quadrangle link gear, and the alternative lift of cooperation straight line wheel and universal wheel is used, thereby ensure that flat wheelchair bed of exhibition vertically moves in and shifts out the function, when guaranteeing flat wheelchair bed and the bed body frame combination, the threading is gone into or the separation fast, make things convenient for the separation and the combination of bed of maintaining the aged.

Description

Quadrilateral linkage mechanism, wheelchair bed and separated type nursing bed

Technical Field

The utility model relates to a rehabilitation apparatus field, more specifically relates to a quadrangle link gear, wheelchair bed and disconnect-type bed of endowing with an old person.

Background

At present, China has stepped into an aging society, the aged people have a remarkable growth trend year by year, due to the urbanization development and the change of social structures, the young people in rural areas go out to work, the number of the aged people left in rural areas is increased greatly, the old people in urban areas except for family aged people are few of the aged care homes, the old apartment is far from meeting the demand of the aged people which are increased day by day, besides the shortage of bed positions, necessary supporting facilities and services are also lacked, and the old people have long-term bedridden patients.

In order to meet the practical maintenance requirements, the wheelchair bed convenient for sitting and lying is developed, the nursing requirements of old people and bedridden people are met, and the wheelchair bed has great social significance.

Disclosure of Invention

To the technical problem, the utility model provides a quadrangle link gear, wheelchair bed and disconnect-type bed of maintaining for the aged makes things convenient for the quick convenient switching of wheelchair and bed, alleviates the personnel's burden of looking after, also promotes user comfort in use.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a quadrilateral linkage, quadrilateral linkage includes first grillage, second grillage, third grillage and auxiliary stand, and is three the horizontal side of grillage is two liang respectively through hanging the hub connection first grillage with the third grillage is close to protruding lug before the welding has the crescent on the horizontal side lower extreme of second grillage, the auxiliary stand includes two, and parallel arrangement is three respectively the both sides of grillage, and two the auxiliary stand passes through the horizontal pole and connects, protruding lug other end passes through the hanging axle before the crescent with the auxiliary stand upper end is connected, through protruding lug rotates around the hanging axle before the crescent to drive the auxiliary stand is relative parallel motion is done to the second grillage, realizes first grillage the second grillage the third grillage with the linkage of auxiliary stand.

The universal wheels are respectively installed on the rear legs of the auxiliary supports, a chassis frame is arranged under the second panel frame, the chassis frame is connected with the second panel frame through 4 vertical rods and is connected with the two auxiliary supports through the transverse rods, the straight line wheel is installed at the lower end of the rear portion of the chassis frame, and the universal wheels are installed at the lower end of the front portion of the chassis frame.

In order to solve the above technical problem, the utility model provides a another technical scheme is: the utility model provides a wheelchair bed, wheelchair bed includes foretell quadrangle link gear, wherein, first grillage is as the back frame, the second grillage is as the stool frame, the third grillage is as foot bracket.

The wheelchair bed further comprises a pedal frame, and the transverse side edges of the pedal frame are connected with the transverse side edges of the foot bracket in pairs through hanging shafts.

The lower front end of the chassis frame is provided with a sliding plate, and the tail end of the sliding plate is provided with a linear pulley.

Wherein, the two sides of the wheelchair bed are provided with guardrails.

One end of the guardrail is hinged to the auxiliary support and can rotate around the auxiliary support, and after the guardrail rotates in place, the guardrail is inserted into the hollow cylinder on the seat stool frame through the bolt on the guardrail to be matched and fixed.

Wherein, the guardrail is oval guardrail.

Wherein, the front lower end of the pedal frame is provided with a linear pulley.

In order to solve the technical problem, the utility model also provides a technical scheme is: the separated nursing bed comprises a bed body frame and the wheelchair bed, wherein the bed body frame and the wheelchair bed in a flattening state are combined with each other and are mutually matched and fixed through a threading device to form the separated nursing bed.

The utility model has the advantages that: be different from prior art's condition, the embodiment of the utility model provides a quadrangle link gear, wheelchair bed and disconnect-type bed of supporting the elderly, this wheelchair bed includes quadrangle link gear, through quadrangle link gear regulation control, realize the wheelchair bed and upwards fold up and form the wheelchair, expand downwards and form the bed, thereby can make things convenient for bed patient to live at home, alleviate the personnel burden of nursing, bed person self can realize sitting the smooth switching of lying and moving, it is more convenient that the user uses, promote use comfort, and the bed of supporting the elderly is fixed through bed frame and the flat wheelchair bed intercombination of exhibition and is obtained, consequently, the convenient split at any time.

Drawings

Fig. 1 is a schematic structural diagram of a quadrilateral linkage mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a wheelchair bed according to an embodiment of the present invention in a flattened state;

fig. 3 is a schematic structural view of a folding state of the wheelchair bed according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a separated state of the separated nursing bed provided by the embodiment of the present invention;

FIG. 5 is a schematic structural view of a combined state of the separated nursing bed provided by the embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the position threading device according to the embodiment of the present invention in a separated state;

fig. 7 is a schematic view of the structure of the threading device in the locked state according to the embodiment of the present invention.

The numbers in the figures indicate that 1, a first plate frame, 2, a second plate frame, 3, a third plate frame, 4, an auxiliary support, 5, a transverse side edge, 6, a hanging shaft, 7, a crescent front convex lifting lug, 8, a cross bar, 9, a universal wheel, 10, a chassis frame, 11, a vertical rod, 12, a linear wheel, 13, a pedal frame, 14, a sliding plate, 15, a linear pulley, 16, a guardrail, 17, a bolt, 18, a hollow cylinder, 19, a bed frame, 20, a slope limiting plate, 21, a liftable bed foot, 201, a U-shaped pipe fitting, 202, L-shaped hanging and locking piece, 203, a vertical supporting seat, 204, a hook, 205, a bump, 206, a guide roller, 207, an elastic piece, 23 and a wheelchair bed.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a schematic structural view of a quadrilateral linkage mechanism provided in an embodiment of the present invention, and fig. 2 to 3 are schematic structural views of a wheelchair bed provided in an embodiment of the present invention; fig. 4-5 are schematic structural views of the separated nursing bed provided by the embodiment of the present invention; fig. 6-7 are schematic structural views of the threading position device provided by the embodiment of the present invention.

As shown in fig. 1, the utility model provides a quadrilateral linkage, its overall structure includes first grillage 1, second grillage 2, third grillage 3 and auxiliary stand 4, and two liang respectively of horizontal side 5 of three grillage connect through hanger shaft 6, protruding lug 7 before the crescent moon type welds on first grillage 1 and third grillage 3 are close to 5 lower extremes of horizontal side of second grillage 2, auxiliary stand 4 includes two, parallel arrangement is in the both sides of three grillage respectively, and two auxiliary stands 4 pass through horizontal pole 8 and connect, protruding lug 7 other end passes through hanger shaft 6 and auxiliary stand 4 upper end is connected before the crescent moon type, through protruding lug 7 rotates around hanger shaft 6 before the crescent moon type, thereby drive auxiliary stand 4 and be parallel motion relative second grillage 2, realize first grillage 1, second grillage 2, third grillage 3 and auxiliary stand 4's linkage.

Wherein, the through-hole of crescent type forward-protruding lug and three grillage front and back end connection shaft hole need be guaranteed perpendicularly to ensure to rotate smoothly, and the through-hole of crescent type forward-protruding lug equals with the shaft hole distance of first grillage front and back connection, thereby ensures to hang the axle and connect the back and form inequilateral parallelogram link gear.

Adopt the hanging axle to link to each other through the horizontal side of grillage, and the crescent preceding protruding lug passes through the hanging axle and is connected with auxiliary stand to the grillage can upwards fold up around the hanging axle, and drive auxiliary stand and do parallel operation, thereby can realize upwards folding up and flattening downwards of whole grillage.

Wherein, be equipped with universal wheel 9 on the leg respectively behind auxiliary stand 4, be equipped with the chassis underframe under the second grillage, the chassis underframe is connected with the second grillage through 4 montants, and chassis underframe back lower extreme is equipped with straight line wheel, and the lower extreme is equipped with the universal wheel before the chassis underframe. Through such structural design, combine the effect of quadrangle link gear to change the universal wheel on the auxiliary stand rear leg and the distance of the straight line wheel of lower extreme and ground behind the chassis underframe and change, realize the alternative use of the universal wheel on the auxiliary stand rear leg and the straight line wheel of lower extreme behind the chassis underframe, satisfy the user demand under the different use scenes.

The utility model discloses a quadrangle link gear can understand as including two upper and lower long limits and control two minor faces, wherein, goes up the long limit and be the horizontal side of second grillage promptly, and the long limit is the horizontal side of auxiliary stand promptly down, and two minor faces are promptly above-mentioned the montant, when promoting the second grillage and move forward, the distance between two upper and lower long limits is more and more nearly, leads to the auxiliary stand down, and the universal wheel on the auxiliary stand rear leg holds up the straight line wheel of lower extreme behind the chassis frame, causes four universal wheels to land, can realize the longitudinal movement function.

On the basis of the quadrilateral linkage mechanism provided by the utility model, the utility model discloses a wheelchair bed is further provided, please refer to fig. 2-3, the utility model discloses a wheelchair bed includes foretell quadrilateral linkage mechanism to, wherein first grillage 1 is as the back frame of wheelchair bed, and second grillage 2 is as the seat bench frame, and third grillage 3 is as the bracket.

Wherein, as a possible realization mode, the wheelchair bed of the utility model also comprises a pedal frame 13, and the transverse side of the pedal frame 13 is connected with the transverse side 5 of the foot bracket 3 through the hanging shaft 6. By the connection mode, the pedal frame can rotate around the hanging shaft to be folded upwards or unfolded downwards.

The wheelchair bed of the utility model, because the quadrilateral linkage mechanism drives the relative positions of the universal wheels on the rear legs of the auxiliary bracket and the linear wheels at the rear end of the bottom of the chassis frame to change in the linkage process, thereby realizing the functions of longitudinally moving in and out the wheelchair bed by using the universal wheels on the rear legs of the auxiliary bracket and the linear wheels at the rear end of the chassis frame bottom alternately, when the wheelchair bed is folded upwards to become a wheelchair, the universal wheels on the rear legs of the auxiliary bracket are supported, the linear wheels at the rear end of the chassis frame bottom land, therefore, the linear wheels are matched with the universal wheels at the front end of the chassis frame bottom to realize the functions of advancing and steering, when the wheelchair bed is unfolded downwards to form the bed, the linear wheels at the rear end of the chassis frame bottom are supported, the universal wheels on the rear legs of the auxiliary support are grounded, the universal wheels on the rear legs of the auxiliary support are matched with the universal wheels at the front end of the chassis frame bottom, and the function of longitudinally moving in and out the wheelchair bed in a flattening state is realized.

Wherein, as a possible implementation manner, the lower front end of the chassis frame 10 is provided with a sliding plate 14, and the tail end of the sliding plate 14 is provided with a linear pulley 15. So that the pedal frame can slide in place more rapidly and smoothly in the process of folding the wheelchair bed upwards to form the wheelchair.

Wherein, the two sides of the wheelchair bed are also provided with guardrails 16. Through the design of the guardrail, the user can be prevented from sliding down from the side edge when sitting and lying, and the safety sense is increased.

Wherein, as a possible realization, the guardrail is designed as an oval guardrail. Of course, this is only one of the designs of the utility model, under the prerequisite that does not influence the result of use, the shape of guardrail does not with the oval guardrail of the utility model for the limit.

Wherein, furthermore, for the convenience of operation, one end of the guardrail 16 is hinged on the auxiliary bracket 4 and can rotate around the auxiliary bracket 4, and after rotating to the right position, the guardrail is inserted into the hollow cylinder 18 on the stool frame through the bolt 17 on the guardrail to be matched and fixed.

Wherein, as a possible realization mode, the front lower end of the pedal frame is provided with a linear pulley 15. Through the matching action of the linear pulley and the linear pulley at the tail end of the sliding plate, the pedal frame is further lifted to slide in place in the process of folding the wheelchair bed into the wheelchair.

Through the structural design of the wheelchair bed, the wheelchair can be folded upwards to form the wheelchair, and when needed, all the components of the wheelchair can be unfolded downwards to form the wheelchair bed.

On the basis of the quadrilateral linkage mechanism and the wheelchair bed provided by the utility model, the utility model further provides a disconnect-type endowment bed, please refer to fig. 4 and 5, and this disconnect-type endowment bed includes bed body frame 19 and foretell wheelchair bed 23, and wherein, bed body frame 19 and the wheelchair bed 23 of exhibition flat state make up each other to form disconnect-type endowment bed through threading a ware and mutually supporting fixedly.

For the detailed description of the specific structure, composition and operation principle of the wheelchair bed, reference is made to the above detailed description of the embodiment shown in fig. 2 and 3, which is not repeated herein.

The wheelchair bed of the utility model controls the flattening or folding of the wheelchair through the quadrilateral linkage mechanism. Because the relative position of the universal wheel on the rear leg of the auxiliary bracket and the linear wheel at the rear end of the chassis frame bottom is driven to change in the linkage process by the quadrilateral linkage mechanism, the universal wheel on the rear leg of the auxiliary bracket and the linear wheel at the rear end of the chassis frame bottom are used alternately, the longitudinal moving-in and moving-out function of the wheelchair bed can be realized, when the wheelchair bed is folded upwards to become a wheelchair, the universal wheel on the rear leg of the auxiliary bracket is supported, the linear wheel at the rear end of the chassis frame bottom lands, so that the linear wheel is matched with the universal wheel at the front end of the chassis frame bottom to realize the advancing and steering functions, when the wheelchair bed is unfolded downwards to form the bed, the linear wheel at the rear end of the chassis frame bottom is supported, the universal wheel on the rear leg of the auxiliary bracket lands, the universal wheel on the rear leg of the auxiliary bracket is matched with the universal wheel at the front end of the chassis frame bottom, the longitudinal moving-in, thereby ensuring the smooth threading and separation in the process of mutually combining the wheelchair bed and the bed body frame in a flattening state.

In a possible implementation manner, slope limiting plates 20 are respectively installed at two ends of the bed frame 19, the slope limiting plates 20 are also installed at positions corresponding to the bed frame 19 at the bottom ends of the foot bracket 3 and the backrest frame 1 of the wheelchair bed, and the slope is the same as that of the slope limiting plates on the bed frame 19. Through the design of the slope limiting plate with the same inclination, when the bed body frame is combined with the wheelchair bed, the bed body frame and the wheelchair bed are overlapped at the set position, so that the flatness of the bed surface is ensured, and meanwhile, a certain supporting force is also provided.

Wherein, in a possible realization mode, the bottom end of the bed frame 19 is provided with a liftable bed foot 21. The design of the liftable bed legs 21 can conveniently adjust the height of the whole bed frame, and is practical and different in user requirements.

In addition, the utility model provides a bed body frame is provided with the guardrail on one side.

Wherein, the utility model discloses well bed body frame is fixed through threading the position ware with the flattening wheelchair bed, for the convenience of understanding, please refer to fig. 6 and fig. 7, do respectively the utility model provides a concrete structure sketch of one of them threading position ware, as shown in the figure, its overall structure includes U-shaped pipe fitting 201 and with U-shaped pipe fitting 201 complex L shape padlock 202, wherein, L shape padlock 202 one end welded fastening is on the part, another extension end supports through two vertical supporting seats 203, and be equipped with couple 204 in extension end tip position, correspond for couple 204 position on the U-shaped pipe fitting 201 and be provided with lug 205, after U-shaped pipe fitting 201 slides to the place relatively toward L shape padlock 202, couple 204 and the mutual block of lug 205 realize fixing.

Through the mode that this kind of string is detained and the lug block is fixed, need not with the help of external instrument, realization that can be convenient is made up fixedly, easy operation is convenient.

Wherein, in a possible implementation manner, guide rollers 206 are further provided at both sides of the U-shaped pipe so that the U-shaped pipe 201 slides in place along the guide rollers 206. The U-shaped pipe fitting can smoothly slide in place conveniently by rolling through the guide roller. Especially, under the certain bearing condition of possessing, the condition such as screens can not appear.

In a possible implementation manner, the L-shaped padlock 202 further comprises an elastic member 207, one end of the elastic member 207 is connected to the extending end of the L-shaped padlock 202, and the other end of the elastic member is connected to the bottom end of the vertical supporting seat 203, so that the extending end has certain tension, the elastic member 207 can give certain tension to the L-shaped padlock, the stability of clamping and fixing is enhanced, and therefore the situation that the padlock is not manually separated in the clamping and fixing state is avoided.

The elastic member may be a leaf spring, a coil spring, a torsion bar spring, a gas spring, a rubber spring, etc. in the existing market.

The utility model discloses a thread position ware utilizes the U-shaped pipe fitting of taking the lug to utilize the deflector roll, thread into fast in the middle of the deflector roll, and realize accurate quick fixed with L shape padlock spare, thereby can realize that the bed body frame threads into fast with the flat wheelchair bed of exhibition when the combination, accurate fixed with threading the position ware realization.

The detailed description of the quadrilateral linkage mechanism and the wheelchair bed of the present invention with reference to the drawings of the specification can be understood that the wheelchair bed realizes folding and unfolding based on linkage of the quadrilateral linkage mechanism, thereby smoothly and rapidly switching between the wheelchair and the bed, and based on the arrangement of the quadrilateral linkage mechanism, the universal wheels on the rear legs of the auxiliary bracket and the linear wheels at the rear lower end of the chassis frame are matched to realize alternate use of the universal wheels and the linear wheels, thereby realizing longitudinal moving-in and moving-out functions of the wheelchair bed, when the wheelchair bed is folded upwards to become the wheelchair, the universal wheels on the rear legs of the auxiliary bracket are supported, the linear wheels at the rear end of the bottom of the chassis frame are grounded, so that the linear wheels are matched with the universal wheels at the front end of the bottom of the chassis frame to realize advancing and steering functions, and when the wheelchair bed is unfolded downwards to form the bed, the linear wheels at the rear end of the bottom of the chassis frame are, the universal wheels on the rear legs of the auxiliary support and the universal wheels at the front end of the bottom of the chassis frame are matched with each other, so that the function of longitudinally moving in and out the wheelchair bed in a flattened state is realized, and smooth threading and separation in the process of mutually combining the wheelchair bed and the bed frame in the flattened state are ensured.

The utility model discloses a wheelchair bed can switch rapidly between wheelchair and bed to make things convenient for the personage of lying in bed to live at home, reduce and care personnel's burden, lie in bed person self can realize sitting the smooth switching of lying and moving, and the user uses more conveniently, promotes use comfort.

The bed body frame and the wheelchair bed in the flattening state are combined with each other to form the nursing bed, and the nursing bed is clamped and fixed through the threading device, so that the nursing bed can be separated or combined at any time, and the nursing bed meets the use requirements of different users or different occasions.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A quadrilateral linkage mechanism is characterized in that the quadrilateral linkage mechanism comprises a first plate frame, a second plate frame, a third plate frame and an auxiliary support, the transverse side edges of the three plate frames are respectively connected with each other through a hanging shaft in pairs, crescent front convex lifting lugs are welded at the lower ends of the transverse side edges of the first plate frame and the third plate frame, which are close to the second plate frame, the two auxiliary supports are respectively arranged at the two sides of the three plate frames in parallel, the two auxiliary supports are connected through a cross rod, the other end of the crescent-shaped front convex lifting lug is connected with the upper end of the auxiliary support through a lifting shaft and rotates around the lifting shaft through the crescent-shaped front convex lifting lug, thereby drive the auxiliary stand is relative the second grillage is parallel motion, realizes first grillage the second grillage the third grillage with the linkage of auxiliary stand.

2. The quadrilateral linkage mechanism according to claim 1, wherein universal wheels are respectively mounted on the rear legs of the auxiliary supports, a chassis frame is arranged under the second plate frame, the chassis frame is connected with the second plate frame through 4 vertical rods and is respectively connected with the two auxiliary supports through the cross rods, a straight wheel is mounted at the rear lower end of the chassis frame, and the universal wheels are mounted at the front lower end of the chassis frame.

3. A wheelchair bed comprising the quadrilateral linkage of any one of claims 1-2 wherein the first plate frame acts as a back rest frame, the second plate frame acts as a seat frame and the third plate frame acts as a foot rest.

4. The wheelchair bed of claim 3 further comprising a foot rest, the lateral sides of the foot rest and the lateral sides of the foot rest being connected in pairs by a hanger shaft.

5. A wheelchair bed as claimed in claim 3, wherein the chassis frame is provided at its lower front end with a slide plate, the slide plate being provided at its end with a linear pulley.

6. A wheelchair bed as claimed in claim 3 in which guardrails are provided on both sides of the wheelchair bed.

7. The wheelchair bed of claim 6 wherein the guardrail is hinged at one end to the auxiliary support and rotatable about the auxiliary support, and is fixed in place by inserting a pin on the guardrail into a hollow cylinder on the seat bench.

8. The wheelchair bed of claim 6 wherein the guardrail is an oval guardrail.

9. The wheelchair bed of claim 4 wherein the front lower end of the foot rest is provided with a linear pulley.

10. A separate type geriatric bed, comprising a bed frame and the wheelchair bed as claimed in any one of claims 3 to 9, wherein the bed frame is combined with the wheelchair bed in a flattened state and fixed by a threading device to form the separate type geriatric bed.