CN218106247U

CN218106247U - Firm shape wheelchair of preapring for an unfavorable turn of events is rolled over back of body structure

Info

Publication number: CN218106247U
Application number: CN202221787877.6U
Authority: CN
Inventors: 郑世乾; 王康
Original assignee: Suzhou Jiashifeng Precision Machinery Co ltd
Current assignee: Suzhou Jiashifeng Precision Machinery Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-23
Anticipated expiration: 2032-07-12

Abstract

A stable anti-deformation wheelchair backrest structure comprises a support, a backrest structure and an anti-deformation structure, wherein the backrest structure is arranged on the support; the bracket comprises a left side frame, a right side frame and a middle connecting rod; the backrest structure comprises a backrest main body and a reinforcing plate; the deformation-preventing structure comprises a first supporting plate, a second supporting plate, a first adjusting structure and a second adjusting structure. Set up the reinforcing plate, effectively avoided in the use, the deformation condition that the back structure atress is too big to lead to has improved its use comfort and life-span. First backup pad, second backup pad not only play certain supporting role to the back structure in the shape structure of preapring for an unfavorable turn of events, avoid the too big condition that can't resume that excessively warp of back main part atress appears, and the tensile force of the back main part of back structure is played the adjustment effect to first regulation structure, the second regulation structure at both ends. The folding back of the wheelchair has the advantages of simple structure and convenient operation, and effectively plays a role in stabilizing and preventing deformation in the use process.

Description

Firm shape wheelchair of preapring for an unfavorable turn of events book back of body structure

Technical Field

The utility model relates to a wheelchair field especially relates to a firm shape wheelchair of preapring for an unfavorable turn of events rolls over back structure.

Background

The wheelchair is an important mobile tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, sick persons and disabled persons, can meet the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, is convenient for family members to move or take care of the sick persons, and enables the sick persons to perform physical exercises and participate in social activities by means of the wheelchair.

The wheelchair backrest is one of the main structures of a wheelchair on which a user can lean his torso to improve comfort during use. However, the current wheelchair back is folded, its both sides are the stainless steel pipe setting, and the intermediate position passes through cloth etc. and connects, and this kind of back of folding is after a period of use, the easy deformation condition that appears to comfort level in the greatly reduced use.

Chinese patent No. CN201720953537.9 discloses a wheelchair backrest tightness adjustable structure, wherein a wheelchair backrest is provided with a plurality of backrest straps connected between a left backrest and a right backrest, and the tightness of the backrest is adjusted by adjusting the positions of the movable ends of the backrest straps, which are adhered to the fixed ends of the backrest straps after passing through an adjusting buckle, so as to meet the requirements of users. However, the adjusting structure is troublesome to operate, and needs to adjust the backrest straps one by one, and the tightness between different backrest straps is different in the adjusting process, so that the use comfort and the service life are affected.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a firm shape wheelchair of preapring for an unfavorable turn of events book back of body structure has solved the problem that wheelchair book back of body structure exists when using.

The technical scheme is as follows: the utility model provides a stable anti-deformation wheelchair backrest structure, which comprises a bracket, a backrest structure and an anti-deformation structure, wherein the backrest structure is arranged on the bracket, and the anti-deformation structure is arranged on the bracket and positioned at one side of the backrest structure; the support comprises a left side frame, a right side frame and a middle connecting rod, wherein the left side frame and the right side frame are horizontally arranged in parallel and are connected through the middle connecting rod; the backrest structure comprises a backrest main body and a reinforcing plate, wherein the reinforcing plate is arranged in the middle of the backrest main body; the anti-deformation structure comprises a first supporting plate, a second supporting plate, a first adjusting structure and a second adjusting structure, wherein the first supporting plate and the second supporting plate are arranged in parallel in the vertical direction, the first adjusting structure and the second adjusting structure are arranged in parallel in the horizontal direction, and the two ends of the first adjusting structure and the two ends of the second adjusting structure are connected with the first supporting plate and the second supporting plate respectively. Set up the reinforcing plate, effectively avoided in the use, the deformation condition that the back structure atress is too big to lead to has improved whole use comfort and life-span. In addition, the first supporting plate and the second supporting plate in the anti-deformation structure not only play a certain supporting role in the use of the backrest structure, and avoid the situation that the backrest main body is excessively stressed to cause excessive deformation and cannot be restored, but also the first adjusting structure and the second adjusting structure at the two ends play a role in adjusting the tension of the backrest main body of the backrest structure. The structure is simple, the operation is convenient, and the folding back of the wheelchair effectively plays a role in stabilizing and preventing deformation in the using process.

Furthermore, the backrest main body is made of oxford, and two ends of the backrest main body are respectively provided with three groups of side wings which are arranged in parallel. The backrest main body is connected with the left side frame and the right side frame of the bracket through the lateral wings. The connection of flank and support can use the rivet to rivet flank and back main part, has improved the firmness when the user leans on to go.

Furthermore, the reinforcing plate is made of plastic and is provided with a plurality of parallel vent holes. The second holes improve the breathability of the backrest structure and the comfort of the user.

Further, first backup pad, second backup pad are the same in structure, first backup pad is including supporting main part section, installation section, canned paragraph respectively have two sets ofly, set gradually in supporting main part section both sides. The first supporting plate and the second supporting plate not only play a certain supporting role when a user leans against the backrest structure, but also play a role in protection when the backrest structure is damaged.

Furthermore, a threaded hole is formed in the mounting section. The knob is used for installing the knobs in the first adjusting structure and the second adjusting structure.

Furthermore, a platform is arranged on the fixed section, and two groups of through holes are formed in the platform. The first supporting plate and the second supporting plate are fixed on the left side frame and the right side frame of the support through the through holes by bolts.

Furthermore, the first adjusting structure and the second adjusting structure are the same in structure, the first adjusting structure comprises a first adjusting component, a second adjusting component and a pressing plate, and the first adjusting component and the second adjusting component are arranged at two ends of the pressing plate. Through adjusting the position of first regulation structure, second regulation structure in first backup pad, second backup pad, the pressure of adjustment clamp plate to the back structure to change the tensile force of back main part, play the effect of preapring for an unfavorable turn of events.

Furthermore, the first adjusting assembly and the second adjusting assembly are identical in structure, the first adjusting assembly comprises a knob, a nut, a connecting seat and a connecting plate, the nut is arranged on a stud of the knob, and the connecting seat and the connecting plate are locked at the end of the stud of the knob through a screw with a head. The knob stud is arranged at the threaded holes in the installation sections of the first support plate and the second support plate, the relative position of the bolt of the knob in the threaded hole is rotated, the pressing force of the pressing plate on the backrest main body is changed, and the pressing force is locked through the nut. Connecting seat, connecting plate set up appointed downthehole on the clamp plate, knob and clamp plate swing joint for it is rotatory, and the clamp plate can not rotate thereupon.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) The reinforcing plate is arranged on the rear side of the backrest main body, so that the overall strength of the backrest structure is greatly improved, the effects of stability and deformation prevention are achieved, the use comfort is improved, and the service life is prolonged; 2) The anti-deformation structure is arranged, and the first supporting plate and the second supporting plate on the anti-deformation structure not only play a certain supporting role in the use process of the backrest structure, so that the service life of the backrest structure is prolonged, but also play a role in protection when the backrest structure is damaged; 3) The anti-deformation structure is arranged, and the first adjusting structure and the second adjusting structure can adjust the tension of the backrest main body after the backrest structure is installed, so that the comfort level is improved.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the first support plate;

FIG. 3 is a front view of a first adjustment mechanism with a partial view.

In the figure: the backrest structure comprises a bracket 1, a left side frame 11, a right side frame 12, a middle connecting rod 13, a backrest structure 2, a backrest main body 21, a side wing 211, a reinforcing plate 22, a vent hole 221, an anti-deformation structure 3, a first supporting plate 31, a supporting main body section 311, a mounting section 312, a threaded hole 3121, a fixing section 313, a through hole 3131, a second supporting plate 32, a first adjusting structure 33, a first adjusting component 331, a knob 3311, a nut 3312, a connecting seat 3313, a connecting plate 3314, a second adjusting component 332, a pressure plate 333 and a second adjusting structure 34.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Example one

As shown in fig. 1, the utility model is a perspective view, which comprises a support 1, a backrest structure 2 and an anti-deformation structure 3, wherein the backrest structure 2 is arranged on the support 1, and the anti-deformation structure 3 is arranged on the support 1 and is positioned at one side of the backrest structure 2; the support 1 comprises a left side frame 11, a right side frame 12 and a middle connecting rod 13, wherein the left side frame 11 and the right side frame 12 are horizontally arranged in parallel and are connected through the middle connecting rod 13; the backrest structure 2 comprises a backrest main body 21 and a reinforcing plate 22, wherein the reinforcing plate 22 is arranged at the middle position on the backrest main body 21; prevent that deformation structure 3 includes first backup pad 31, second backup pad 32, first regulation structure 33, second regulation structure 34, first backup pad 31, second backup pad 32 vertical direction set up side by side, first regulation structure 33, second regulation structure 34 horizontal direction set up side by side, and its both ends are connected with first backup pad 31, second backup pad 32 respectively.

Example two

As shown in fig. 1, the perspective view of the present invention includes a support 1, a backrest structure 2, and a deformation-preventing structure 3, wherein the backrest structure 2 is disposed on the support 1, and the deformation-preventing structure 3 is disposed on the support 1 and located at one side of the backrest structure 2; the support 1 comprises a left side frame 11, a right side frame 12 and a middle connecting rod 13, wherein the left side frame 11 and the right side frame 12 are horizontally arranged in parallel and are connected through the middle connecting rod 13; the backrest structure 2 comprises a backrest main body 21 and a reinforcing plate 22, wherein the reinforcing plate 22 is arranged at the middle position on the backrest main body 21; prevent that deformation structure 3 includes first backup pad 31, second backup pad 32, first regulation structure 33, second regulation structure 34, first backup pad 31, second backup pad 32 vertical direction set up side by side, first regulation structure 33, second regulation structure 34 horizontal direction set up side by side, and its both ends are connected with first backup pad 31, second backup pad 32 respectively.

The backrest main body 21 is made of oxford cloth, and two ends of the backrest main body are respectively provided with three groups of side wings 211 arranged in parallel.

The reinforcing plate 22 is made of plastic material and is provided with a plurality of parallel air vents 221.

The first support plate 31 and the second support plate 32 have the same structure, and as shown in fig. 2, are a perspective view of the first support plate 31, and include a support main body section 311, an installation section 312, and a fixing section 313, where two sets of the installation section 312 and the fixing section 313 are respectively disposed on two sides of the support main body section 311 in sequence.

The mounting section 312 is provided with a threaded hole 3121.

The fixed section 313 is provided with a platform, and the platform is provided with two groups of through holes 3131.

EXAMPLE III

The backrest main body 21 is made of oxford fabric, and two ends of the backrest main body are respectively provided with three groups of side wings 211 arranged in parallel.

The mounting section 312 is provided with a threaded hole 3121.

The first adjusting structure 33 and the second adjusting structure 34 have the same structure, and as shown in fig. 3, the first adjusting structure 33 is a front view with a partial view, and includes a first adjusting component 331, a second adjusting component 332, and a pressing plate 333, where the first adjusting component 331 and the second adjusting component 332 are disposed at two ends of the pressing plate 333.

The first adjusting component 331 and the second adjusting component 332 have the same structure, the first adjusting component 331 includes a knob 3311, a nut 3312, a connecting seat 3313, and a connecting plate 3314, the nut 3312 is disposed on a stud of the knob 3311, and the connecting seat 3313 and the connecting plate 3314 are fastened to a stud end of the knob 3311 by a screw of a screw cap.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a firm shape wheelchair of preapring for an unfavorable turn of events book back of body structure which characterized in that: the backrest structure comprises a support (1), a backrest structure (2) and an anti-deformation structure (3), wherein the backrest structure (2) is arranged on the support (1), and the anti-deformation structure (3) is arranged on the support (1) and is positioned on one side of the backrest structure (2); the support (1) comprises a left side frame (11), a right side frame (12) and a middle connecting rod (13), wherein the left side frame (11) and the right side frame (12) are horizontally arranged in parallel and are connected through the middle connecting rod (13); the backrest structure (2) comprises a backrest main body (21) and a reinforcing plate (22), wherein the reinforcing plate (22) is arranged in the middle of the backrest main body (21); prevent deformation structure (3) and include first backup pad (31), second backup pad (32), first regulation structure (33), second regulation structure (34), first backup pad (31), second backup pad (32) vertical direction set up side by side, first regulation structure (33), second regulation structure (34) horizontal direction set up side by side, and its both ends are connected with first backup pad (31), second backup pad (32) respectively.

2. The firm and deformation-preventing folding back structure of wheelchair as claimed in claim 1, wherein: the backrest main body (21) is made of oxford cloth, and two ends of the backrest main body are respectively provided with three groups of side wings (211) which are arranged in parallel.

3. The firm and deformation-preventing folding back structure of wheelchair as claimed in claim 1, wherein: the reinforcing plate (22) is made of plastic and is provided with a plurality of parallel vent holes (221).

4. The firm and deformation-preventing folding back structure of wheelchair as claimed in claim 1, wherein: the structure of the first supporting plate (31) is the same as that of the second supporting plate (32), the first supporting plate (31) comprises a supporting main body section (311), an installation section (312) and a fixing section (313), the installation section (312) and the fixing section (313) are respectively provided with two groups, and the two groups are sequentially arranged on two sides of the supporting main body section (311).

5. The firm and anti-deformation wheelchair backrest structure according to claim 4, wherein: and a threaded hole (3121) is formed in the mounting section (312).

6. The firm and anti-deformation wheelchair backrest structure according to claim 5, wherein: the fixed section (313) is provided with a platform, and the platform is provided with two groups of through holes (3131).

7. The firm and deformation-preventing folding back structure of wheelchair as claimed in claim 1, wherein: the structure of the first adjusting structure (33) is the same as that of the second adjusting structure (34), the first adjusting structure (33) comprises a first adjusting component (331), a second adjusting component (332) and a pressing plate (333), and the first adjusting component (331) and the second adjusting component (332) are arranged at two ends of the pressing plate (333).

8. The firm deformation-preventing wheelchair backrest structure as claimed in claim 7, wherein: first adjustment subassembly (331), second adjustment subassembly (332) structure are the same, first adjustment subassembly (331) includes knob (3311), nut (3312), connecting seat (3313), connecting plate (3314), nut (3312) sets up on the double-screw bolt of knob (3311), connecting seat (3313), connecting plate (3314) are through the screw lock of the warhead at knob (3311) stud end.