CN212995542U

CN212995542U - Foldable family nurse chair handrail

Info

Publication number: CN212995542U
Application number: CN202021471732.6U
Authority: CN
Inventors: 米月
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-20
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a foldable family's nurse chair handrail belongs to furniture spare part technical field for it is difficult to adjust to solve current chair handrail bearing height and length, can not accomodate folding, the technical problem of function singleness. The lifting adjusting mechanism comprises a first spring, an outer lifting support rod, an inner lifting support rod, a first pin, a second pin, a pressing column and a second spring, wherein the base and the top seat are both provided with a lifting groove; the utility model discloses a supporting height and the length of handrail can be adjusted to lift adjustment mechanism and extension rod, adapt to different demands, and each part can both be accomodate foldingly, and folding back occupation space is little, can accomodate article or make interim desk use through accomodating chamber and table, and the function is various.

Description

Foldable family nurse chair handrail

Technical Field

The utility model belongs to the technical field of furniture spare part, especially a foldable family nurse chair handrail.

Background

Most chairs used by nursing chair families for nursing patients are of folding structures, most of the existing nursing chairs are chair main body part folding, the armrest of the nursing chair is often of a fixed structure, the supporting height and length are difficult to adjust, the chair cannot be stored and folded, and the function is single;

through retrieval, as disclosed in chinese patent documents, an armrest for a chair with an adjustable backrest tilting angle [ application No.: CN 201320886506.8; publication No.: CN203735799U ]. The armrest suitable for the chair with the adjustable backrest inclination angle comprises a connecting rod capable of being hinged to a seat plate, an armrest arm hinged to the connecting rod and capable of being hinged to a backrest, two first hinged pieces are arranged on the lower portion of the front end of the armrest arm, one end of the connecting rod is provided with a second hinged piece located between the two first hinged pieces, a cushion is arranged at the upper end of the armrest arm through a fixing structure, the fixing structure comprises a positioning column arranged on the armrest arm, the lower end of the positioning column is arranged to abut against a limiting piece of the cushion, a through hole suitable for being sleeved with the positioning column is formed in the cushion, and the positioning column is sleeved with a clamping cap tightly. The utility model discloses a though when the back bank angle adjustment of inclining, the handrail position can produce the linkage change, but handrail support height and length are difficult to adjust, can not accomodate foldingly, the function singleness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a foldable family's nurse chair handrail, the technical problem that the device will solve is: how to realize that foldable family nurse chair handrail can conveniently adjust supporting height and support length, and be convenient for accomodate foldingly, have the multiple functions that satisfy different user demands.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a foldable family's nurse chair handrail, includes base and footstock, the lift groove has all been seted up on base and the footstock, the lift inslot is provided with lift adjustment mechanism, lift adjustment mechanism includes first spring, outer lift branch, interior lift branch, first pin, the second pin, pressing post and second spring, the groove of accomodating has all been seted up on base and the footstock, the boss spout has all been seted up to the both sides face of accomodating the groove, it is provided with the storage plate to accomodate the inslot, it is provided with the table to slide in the storage plate, the tip of footstock slides and is provided with the extension rod, the up end of footstock is provided with the apron.

The utility model discloses a theory of operation is: when using this device, install two handrail symmetries on the seat, fix the base through the bolt, can satisfy to expand the use completely or accomodate foldingly through each parts cooperation, when expanding, the user can conveniently adjust the handrail height through lift adjustment mechanism, pull out the support length that the extension rod can adjust the handrail, the apron that opens and shuts can conveniently accomodate or take article, pull out the storage plate and expand the table, can regard as interim desk to use, therefore, the clothes hanger is strong in practicability, when folding, the storage plate, the table, extension rod and apron are packed up, the footstock height falls to minimumly, after folding, occupation space is little, can cooperate folding nurse the chair to use, satisfy storage and transportation requirement, high durability and convenient use.

The base and the footstock are respectively provided with a lower sliding groove and an upper sliding groove, the upper end surface of the base and the lower end surface of the footstock are respectively provided with a lower spring hole and an upper spring hole which are symmetrically arranged, the upper end of the footstock is provided with a supporting surface and an avoiding groove, the upper end surface of the avoiding groove is a limiting surface, a slide way is arranged in the footstock, and the footstock is provided with an accommodating cavity.

Structure more than adopting, opening and establishing spout and last spout, play spacing and guide effect to lift adjustment mechanism, lower spring hole and last spring hole can play the guide effect to first spring, dodge the groove and can prevent to take out and interfere when accomodating the board, and holding surface and spacing face can play when accomodating the board and support limiting displacement, and the slide plays the guide effect, accomodates the intracavity and can accomodate article.

The lower sliding groove and the upper sliding groove all penetrate through the lifting groove, the supporting surface and the avoiding groove are located at the end of the containing groove, sliding bosses are arranged on two sides of the containing plate and located in the boss sliding grooves, the sliding rails are located at the back of the upper sliding groove, and the cover plate is hinged to the side of the containing cavity.

By adopting the structure, the sliding boss moves in the boss sliding groove to play a role in guiding and limiting.

The both ends of first spring respectively with the bottom surface fixed connection in lower spring hole and last spring hole, first pin setting is in spout down, and the one end of interior lift branch articulates on the footstock, and the other end of interior lift branch articulates on first pin, and the second pin sets up in last spout, and the one end of outer lift branch articulates on the base, and the other end of outer lift branch articulates on the second pin, and the middle part of interior lift branch and outer lift branch is articulated.

Structure more than adopting, first pin can follow the lower spout and remove, and the second pin can follow the upper chute and remove to through interior lift branch of mutual articulated and outer lift branch, enable the footstock and rise or descend under the effect of first spring, and keep balance, can adjust the height of handrail.

The pressing column is arranged in the second pin in a sliding mode, the second spring is sleeved on the pressing column, the pressing column penetrates through the upper sliding groove, the button is arranged at the outer end of the pressing column, the adjusting slide block is fixed at the inner end of the pressing column and located in the sliding way, and the upper end faces of the adjusting slide block and the sliding way are friction faces.

By adopting the structure, the button is pressed down, the second spring is compressed, the friction surfaces of the adjusting slide block and the slide way are separated, the lifting or descending of the top seat can be realized by jacking the first spring or manually pressing down, the button is loosened after the lifting is finished, the pressing column is reset under the action of the second spring, the two friction surfaces are attached to each other, and the lifting adjusting mechanism can be fixed.

Compared with the prior art, the foldable family nursing chair armrest has the following advantages:

1. the utility model can adjust the supporting height of the handrail through the lifting adjusting mechanism, adjust the supporting length of the handrail through pulling out the extension rod, can adapt to the demands of different people, is convenient to use, can be stored and folded by each part, occupies small space after being folded, can be matched with a folding nursing chair, meets the storage and transportation demands, can store articles or be used as a temporary table through setting structures such as a storage cavity and a table plate, and has various functions;

2. articles can be stored in the storage cavity, the cover plate can be opened and closed to conveniently place or take the articles, the storage plate is pulled out, the desk plate is unfolded, and the desk can be used as a temporary desk, so that the practicability is high;

3. this use novel structural design is reasonable, and the handrail supports stably, adjusts and accomodates folding convenient operation.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the shaft of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a rear view structure diagram of the present invention;

fig. 5 is a schematic side view of the present invention;

fig. 6 is a schematic view of the axial structure of the present invention when fully opened;

in the figure: the device comprises a base 1, a lower chute 1a, a lower spring hole 1b, a top seat 2, an upper chute 2a, an upper spring hole 2b, a support surface 2c, an avoidance groove 2d, a limiting surface 2e, a slideway 2f, a storage cavity 2g, a storage plate 3, a sliding boss 3a, a table plate 4, an extension rod 5, a cover plate 6, a first spring 7, an outer lifting support rod 8, an inner lifting support rod 9, a first pin 10, a second pin 11, a pressing column 12, a button 12a, an adjusting slider 12b, a second spring 13, a lifting groove 14, a storage groove 15 and a chute boss 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, the present embodiment provides a foldable home care chair armrest, including a base 1 and a footstock 2, where the base 1 and the footstock 2 are both provided with a lifting groove 14, the lifting groove 14 is provided with a lifting adjusting mechanism, the lifting adjusting mechanism includes a first spring 7, an outer lifting support rod 8, an inner lifting support rod 9, a first pin 10, a second pin 11, a pressing column 12 and a second spring 13, the base 1 and the footstock 2 are both provided with a storage groove 15, both side surfaces of the storage groove 15 are both provided with boss sliding grooves 16, the storage groove 15 is slidably provided with a storage plate 3, in the present embodiment, the storage plate 3 is provided with a fixed groove, a table plate 4 is slidably provided in the storage plate 3, an end of the footstock 2 is slidably provided with an extension rod 5, and an upper end surface of the footstock 2 is provided with a cover plate 6; when using this device, install two handrail symmetries on the seat, fix base 1 through the bolt, can satisfy to expand the use completely or accomodate foldingly through each parts cooperation, when expanding, the user can conveniently adjust the handrail height through lift adjustment mechanism, pull out the support length that extension rod 5 can adjust the handrail, apron 6 that opens and shuts can conveniently accomodate or take article, pull out accomodate the board 3 and expand table 4, can regard as interim desk to use, therefore, the clothes hanger is strong in practicability, when folding, accomodate board 3, table 4, extension rod 5 and apron 6 are packed up, footstock 2 height is reduced to minimumly, after folding, occupation space is little, can cooperate folding nurse the chair to use, satisfy storage and transportation requirement, high durability and convenient use.

A lower chute 1a and an upper chute 2a are respectively arranged on the base 1 and the top seat 2, a lower spring hole 1b and an upper spring hole 2b which are symmetrically arranged are respectively arranged on the upper end surface of the base 1 and the lower end surface of the top seat 2, a supporting surface 2c and an avoiding groove 2d are arranged on the upper end of the top seat 2, the upper end surface of the avoiding groove 2d is a limiting surface 2e, a slideway 2f is arranged in the top seat 2, and a containing cavity 2g is arranged on the top seat 2; the lower sliding groove 1a and the upper sliding groove 2a are arranged, limiting and guiding effects are achieved on a lifting adjusting mechanism, the lower spring hole 1b and the upper spring hole 2b can achieve guiding effects on the first spring 7, interference can be prevented when the accommodating plate 3 is drawn out through the avoiding groove 2d, the supporting surface 2c and the limiting surface 2e can achieve supporting limiting effects when the accommodating plate 3 is unfolded, the sliding way 2f achieves guiding effects, and articles can be accommodated in the accommodating cavity 2 g.

The lower chute 1a and the upper chute 2a penetrate through the lifting groove 14, the supporting surface 2c and the avoiding groove 2d are located at the end part of the accommodating groove 15, sliding bosses 3a are arranged on two sides of the accommodating plate 3, the sliding bosses 3a are located in the boss chutes 16, the slide way 2f is located at the back part of the upper chute 2a, and the cover plate 6 is hinged to the side edge of the accommodating cavity 2 g; the sliding boss 3a moves in the boss sliding groove 16 to play a role in guiding and limiting.

Two ends of a first spring 7 are respectively fixedly connected with the bottom surfaces of a lower spring hole 1b and an upper spring hole 2b, a first pin 10 is arranged in a lower chute 1a, one end of an inner lifting support rod 9 is hinged on the top seat 2, the other end of the inner lifting support rod 9 is hinged on the first pin 10, a second pin 11 is arranged in the upper chute 2a, one end of an outer lifting support rod 8 is hinged on the base 1, the other end of the outer lifting support rod 8 is hinged on the second pin 11, and the middle parts of the inner lifting support rod 9 and the outer lifting support rod 8 are hinged; the first pin 10 can move along the lower chute 1a, and the second pin 11 can move along the upper chute 2a, so that the footstock 2 can ascend or descend under the action of the first spring 7 through the inner lifting support rod 9 and the outer lifting support rod 8 which are hinged with each other, and the balance is kept, and the height of the handrail can be adjusted.

The pressing column 12 is slidably arranged in the second pin 11, the second spring 13 is sleeved on the pressing column 12, the pressing column 12 penetrates through the upper chute 2a, the outer end of the pressing column 12 is provided with a button 12a, and the inner end of the pressing column 12 is fixed with an adjusting slider 12 b; the lifting adjusting mechanism is characterized in that the button 12a is pressed, the second spring 13 is compressed, the friction surfaces of the adjusting slide block 12b and the slide way 2f are separated, at the moment, the lifting or descending of the top seat 2 can be realized by jacking the first spring 7 or manually pressing down, after the lifting is completed, the button 12a is loosened, the pressing column 12 is reset under the action of the second spring 13, the two friction surfaces are attached to each other, and the lifting adjusting mechanism can be fixed.

The utility model discloses a theory of operation:

when using this device, with two handrail symmetry installations on the seat, fix base 1 through the bolt, this device can expand the use or accomodate foldingly through each parts cooperation.

When the handrail is unfolded for use, a user presses the button 12a, the second spring 13 is compressed, the friction surfaces of the adjusting slide block 12b and the slide way 2f are separated, the first pin 10 moves along the lower chute 1a, the second pin 11 moves along the upper chute 2a, the footstock 2 can be lifted under the action of the first spring 7 through the inner lifting support rod 9 and the outer lifting support rod 8 which are hinged with each other, or the footstock 2 is manually applied with force to enable the footstock 2 to descend, so that the height adjustment of the handrail is realized, after the adjustment is finished, the button 12a is released, the pressing column 12 is reset under the action of the second spring 13, the two friction surfaces are attached to each other, and the handrail can be fixed.

When the handrail is stored and folded, the button 12a is pressed, the second spring 13 is compressed, the friction surface of the adjusting slide block 12b and the friction surface of the slide way 2f are separated, the first pin 10 moves along the lower chute 1a, the second pin 11 moves along the upper chute 2a, and the top seat 2 is pressed to the limit position through the inner lifting support rod 9 and the outer lifting support rod 8 which are hinged with each other under the action of the force applied to the top seat 2 manually, and the button 12a is released, so that the handrail is stored and folded.

The extension rod 5 is pulled out to adjust the supporting length of the handrail; articles can be stored in the storage cavity 2g, and the articles can be conveniently placed in or taken out through the opening and closing cover plate 6; the storage plate 3 is pulled out and the table plate 4 is unfolded, so that the temporary table can be used, the practicability is high, the sliding boss 3a moves in the boss sliding groove 16 to play a role in guiding and limiting, the avoiding groove 2d can prevent interference when the storage plate 3 is pulled out, and the supporting surface 2c and the limiting surface 2e can play a role in supporting and limiting when the storage plate 3 is unfolded; when folding, to accomodate board 3, table 4, extension rod 5 and apron 6 and pack up, after folding, occupation space is little, can cooperate folding nurse chair to use, satisfies storage and transportation requirement, convenient to use.

To sum up, the utility model adjusts the supporting height of the handrail through the lifting adjusting mechanism, adjusts the supporting length of the handrail through pulling out the extension rod 5, can meet the requirements of different people, is convenient to use, can be stored and folded by each part, occupies small space after being folded, can be matched with a folding nursing chair to meet the requirements of storage and transportation, can store articles or be used as a temporary table through arranging the structures of the storage cavity 2g, the table plate 4 and the like, and has various functions; articles can be stored in the storage cavity 2g, the cover plate 6 can be opened and closed to conveniently place or take the articles, the storage plate 3 is pulled out, the table plate 4 is unfolded, the desk can be used as a temporary desk, and the practicability is high; this use novel structural design is reasonable, and the handrail supports stably, adjusts and accomodates folding convenient operation.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A folding type family nursing chair armrest comprises a base (1) and a top seat (2), the lifting and receiving device is characterized in that lifting grooves (14) are formed in the base (1) and the top seat (2), lifting and adjusting mechanisms are arranged in the lifting grooves (14), each lifting and adjusting mechanism comprises a first spring (7), an outer lifting supporting rod (8), an inner lifting supporting rod (9), a first pin (10), a second pin (11), a pressing column (12) and a second spring (13), storage grooves (15) are formed in the base (1) and the top seat (2), boss sliding grooves (16) are formed in two side faces of each storage groove (15), storage plates (3) are arranged in the storage grooves (15) in a sliding mode, table plates (4) are arranged in the storage plates (3) in a sliding mode, extending rods (5) are arranged at the end portions of the top seat (2) in a sliding mode, and cover plates (6) are arranged on the upper end faces of the top seat (2).

2. The foldable home nursing chair armrest as claimed in claim 1, wherein the base (1) and the top seat (2) are respectively provided with a lower chute (1 a) and an upper chute (2 a), the upper end surface of the base (1) and the lower end surface of the top seat (2) are respectively provided with a lower spring hole (1 b) and an upper spring hole (2 b) which are symmetrically arranged, the upper end of the top seat (2) is provided with a supporting surface (2 c) and an avoiding groove (2 d), the upper end surface of the avoiding groove (2 d) is a limiting surface (2 e), the top seat (2) is internally provided with a slideway (2 f), and the top seat (2) is provided with a containing cavity (2 g).

3. A foldable home care chair armrest as claimed in claim 2, characterized in that the lower chute (1 a) and the upper chute (2 a) both extend through the lifting slot (14), the support surface (2 c) and the avoiding slot (2 d) are located at the end of the storage slot (15), the storage plate (3) is provided with sliding bosses (3 a) on both sides, the sliding bosses (3 a) are located in the boss chutes (16), the slide way (2 f) is located at the back of the upper chute (2 a), and the cover plate (6) is hinged at the side of the storage cavity (2 g).

4. A foldable home care chair armrest as claimed in claim 2 or 3, characterized in that both ends of the first spring (7) are fixedly connected with the bottom surfaces of the lower spring hole (1 b) and the upper spring hole (2 b), respectively, the first pin (10) is disposed in the lower chute (1 a), one end of the inner lifting strut (9) is hinged on the top seat (2), the other end of the inner lifting strut (9) is hinged on the first pin (10), the second pin (11) is disposed in the upper chute (2 a), one end of the outer lifting strut (8) is hinged on the base (1), the other end of the outer lifting strut (8) is hinged on the second pin (11), and the middle parts of the inner lifting strut (9) and the outer lifting strut (8) are hinged.

5. The foldable family nursing chair armrest as claimed in claim 4, characterized in that the pressing column (12) is slidably disposed in the second pin (11), the second spring (13) is sleeved on the pressing column (12), the pressing column (12) penetrates through the upper chute (2 a), the outer end of the pressing column (12) is provided with a button (12 a), the inner end of the pressing column (12) is fixed with an adjusting slider (12 b), the adjusting slider (12 b) is disposed in the slide way (2 f), and the upper end surfaces of the adjusting slider (12 b) and the slide way (2 f) are friction surfaces.