CN215131870U - Wheelchair with underframe convenient to fold and store - Google Patents

Abstract

The utility model discloses a wheelchair that chassis was convenient for fold and was accomodate, including the bottom side frame, the quantity of bottom side frame is two, is provided with cushion mechanism between two bottom side frames, the bottom of bottom side frame is provided with moving mechanism, the fixed pipe of rear side fixedly connected with of front side bottom side frame, the inner chamber swing joint of fixed pipe has the movable rod, the rear end of movable rod run through to the outside of fixed pipe and with rear side bottom side frame fixed connection. The utility model discloses a with two bottom side frames removal in opposite directions for the movable rod slides in the inner chamber of fixed pipe, get into the inner chamber of two constant head tanks respectively when two locating levers, can lock the wheelchair after folding, reached the fixed purpose of being convenient for promptly, the wheelchair that this chassis is convenient for to fold was accomodate possesses the advantage of being convenient for to fix, the wheelchair is folding to be accomodate the back and is locked it, improved the stability after the wheelchair is folded, avoid taking place to rock at the in-process that removes and influence its transportation.

Description

Wheelchair with underframe convenient to fold and store

Technical Field

The utility model relates to a wheelchair technical field specifically is a wheelchair that chassis is convenient for fold and accomodate.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The folding wheelchair belongs to one of the wheelchairs, and the current folding wheelchair is poor in stability after being folded and stored due to the fact that the folding wheelchair does not have a positioning structure when being transversely folded and compressed, and when the folding wheelchair is moved, the folding position is easy to shake, and inconvenience is caused to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chassis is convenient for fold wheelchair of accomodating possesses the advantage of being convenient for to fix, has solved present folding wheelchair because do not possess location structure when carrying out horizontal folding compression, consequently folding the back stability of accomodating relatively poor, when removing folding wheelchair, makes folding position take place to rock easily, leads to the fact inconvenient problem for the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wheelchair that chassis is convenient for fold and accomodates, includes the base frame, the quantity of base frame is two, is provided with cushion mechanism between two base frame, the bottom of base frame is provided with moving mechanism, the fixed pipe of rear side fixedly connected with of front side base frame, the inner chamber swing joint of fixed pipe has the movable rod, the rear end of movable rod run through to the outside of fixed pipe and with rear side base frame fixed connection, the both sides on movable rod surface all are provided with fixed establishment, the through-hole has all been seted up to the top and the bottom of fixed pipe, the top and the equal fixedly connected with fixed block in bottom of fixed pipe, the one end of fixed block is provided with locking mechanical system.

Preferably, the cushion mechanism comprises a cushion arranged between two bottom side frames, and handrails are arranged on the surfaces of the bottom side frames.

Preferably, the moving mechanism comprises universal wheels movably mounted on the right side of the bottom side frame, and moving wheels are movably mounted on the opposite sides of the two bottom side frames.

Preferably, the fixing mechanism comprises positioning blocks fixed on two sides of the surface of the movable rod, and positioning grooves are formed in the top and the bottom of each positioning block.

Preferably, the locking mechanism comprises a pressing plate which is rotatably connected to one end of the fixing block through a rotating shaft, a positioning rod is fixedly connected to one side of the bottom of the pressing plate, one side of the positioning rod penetrates through the inner cavity of the positioning groove and is movably connected with the positioning groove, a spring is fixedly connected to the other side of the bottom of the pressing plate, and one end of the spring is fixedly connected with the fixing tube.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a with two bottom side frame removals in opposite directions, make the movable rod slide in the inner chamber of fixed pipe, get into the inner chamber of two constant head tanks respectively when two locating levers, can lock the wheelchair after folding, the purpose of being convenient for to fix has been reached promptly, the wheelchair that this chassis is convenient for to fold and accomodate possesses the advantage of being convenient for to fix, the wheelchair locks it after folding accomodating, the stability after the wheelchair is folded has been improved, avoid taking place to rock at the in-process that removes and influence its transportation, solved present folding wheelchair because do not possess location structure when carrying out the compression of horizontal folding, consequently, folding back stability is relatively poor after folding is accomodate in folding, when removing folding wheelchair, make folding position take place to rock easily, lead to the inconvenient problem for the use.

2. The utility model discloses a setting of cushion mechanism, the material of cushion is the cloth matter, the person of facilitating the use accomodates foldingly, the handrail has played the guard action to the user, user's use experience has been improved, setting through fixed establishment, when current side locating piece and constant head tank remove to the front side of fixed intraductal chamber, distance between two bottom side framves at this moment reduces, and then fold this wheelchair, when current side locating piece and constant head tank remove to the rear side of fixed intraductal chamber, make this wheelchair expand and use, the operation is convenient, time saving and labor saving.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left sectional view of the connecting structure of the fixed pipe and the movable rod of the present invention;

FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;

fig. 4 is a schematic perspective view of the connection structure of the fixed tube and the movable rod of the present invention.

In the figure: 1. a bottom side frame; 2. a cushion mechanism; 21. a cushion; 22. a handrail; 3. a moving mechanism; 31. a universal wheel; 32. a moving wheel; 4. a fixed tube; 5. a movable rod; 6. a fixing mechanism; 61. positioning blocks; 62. positioning a groove; 7. a through hole; 8. a fixed block; 9. a locking mechanism; 91. a pressing plate; 92. positioning a rod; 93. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wheelchair with a conveniently folded and stored underframe comprises two bottom side frames 1, a cushion mechanism 2 is arranged between the two bottom side frames 1, the cushion mechanism 2 comprises a cushion 21 arranged between the two bottom side frames 1, handrails 22 are arranged on the surfaces of the bottom side frames 1, the cushion 21 is made of cloth through the arrangement of the cushion mechanism 2, the folding and storing of a user are facilitated, the handrails 22 play a role in protecting the user and improving the use experience of the user, a moving mechanism 3 is arranged at the bottom of each bottom side frame 1, the moving mechanism 3 comprises a universal wheel 31 movably arranged on the right side of the bottom of each bottom side frame 1, moving wheels 32 are movably arranged on the opposite sides of the two bottom side frames 1, a fixed pipe 4 is fixedly connected to the rear side of each front bottom side frame 1, a movable rod 5 is movably connected to the inner cavity of the fixed pipe 4, the rear end of each movable rod 5 penetrates through the outer side of the fixed pipe 4 and is fixedly connected with the rear bottom side frame 1, fixing mechanisms 6 are arranged on two sides of the surface of the movable rod 5, each fixing mechanism 6 comprises a positioning block 61 fixed on two sides of the surface of the movable rod 5, positioning grooves 62 are formed in the top and the bottom of each positioning block 61, through the arrangement of the fixing mechanisms 6, when the front side positioning block 61 and the positioning grooves 62 move to the front side of the inner cavity of the fixed tube 4, the distance between the two bottom side frames 1 is reduced, and the wheelchair is further folded, when the front side positioning block 61 and the positioning grooves 62 move to the rear side of the inner cavity of the fixed tube 4, the wheelchair is unfolded for use, the operation is convenient and fast, time and labor are saved, through holes 7 are formed in the top and the bottom of the fixed tube 4, the top and the bottom of the fixed tube 4 are fixedly connected with fixed blocks 8, one end of each fixed block 8 is provided with a locking mechanism 9, each locking mechanism 9 comprises a pressing plate 91 rotatably connected to one end of each fixed block 8 through a rotating shaft, one side fixedly connected with locating lever 92 of pressing panel 91 bottom, one side of locating lever 92 run through to the inner chamber of constant head tank 62 and with constant head tank 62 swing joint, press the opposite side fixedly connected with spring 93 of pressing panel 91 bottom, the one end and the fixed pipe 4 fixed connection of spring 93.

The working principle is as follows: when the utility model is used, when a user folds and stores the wheel, the user presses one side of the two pressing plates 91 in opposite directions to compress the spring 93, at the moment, the other side of the pressing plates 91 rotates by taking the top of the fixed block 8 as an axis, and then drives the two positioning rods 92 to do arc motion in opposite directions, until one side of the positioning rod 92 is separated from the inner cavity of the positioning groove 62, the movable rod 5 is unlocked, the two bottom side frames 1 are closed in opposite directions to fold the cushion 21, at the moment, the movable rod 5 enters the inner cavity of the fixed tube 4, until the front positioning block 61 and the positioning groove 62 enter the foremost side of the inner cavity of the fixed tube 4, the rear positioning block 61 and the positioning groove 62 move into the inner cavity of the fixed tube 4 and are at the same vertical position with the through hole 7, the pressing plates 91 are released, the pressing plates 91 drive the positioning rods 92 to reset under the action of the spring 93, the wheelchair can be locked after being folded after entering the inner cavity of the rear positioning groove 62, and the purpose of convenient fixation is achieved.

In summary, the following steps: this chassis is convenient for folding wheelchair of accomodating, through with two bottom side frame 1 removal in opposite directions, make movable rod 5 slide in the inner chamber of fixed pipe 4, get into the inner chamber of two constant head tanks 62 respectively when two locating levers 92, can lock the wheelchair after the folding, the mesh of being convenient for to fix has been reached promptly, this chassis is convenient for folding wheelchair of accomodating possesses the advantage of being convenient for to fix, the wheelchair locks it after folding accomodating, the stability after the wheelchair is folded has been improved, avoid taking place to rock at the in-process of removing and influence its transportation, solved present folding wheelchair because do not possess location structure when carrying out horizontal folding compression, consequently folding stability of accomodating is relatively poor, when removing folding wheelchair, make folding position take place to rock easily, cause inconvenient problem for the use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a chassis is convenient for fold wheelchair of accomodating, includes bottom side frame (1), its characterized in that: the quantity of end side frame (1) is two, is provided with cushion mechanism (2) between two end side frames (1), the bottom of end side frame (1) is provided with moving mechanism (3), the fixed pipe of rear side fixedly connected with (4) of front side end side frame (1), the inner chamber swing joint of fixed pipe (4) has movable rod (5), the rear end of movable rod (5) run through to the outside of fixed pipe (4) and with rear side end side frame (1) fixed connection, the both sides on movable rod (5) surface all are provided with fixed establishment (6), through-hole (7) have all been seted up to the top and the bottom of fixed pipe (4), the equal fixedly connected with fixed block (8) in top and the bottom of fixed pipe (4), the one end of fixed block (8) is provided with locking mechanical system (9).

2. The wheelchair of claim 1, wherein the undercarriage is adapted to facilitate folding of the wheelchair, and wherein: cushion mechanism (2) include install cushion (21) between two bottom side frame (1), the surface mounting of bottom side frame (1) has handrail (22).

3. The wheelchair of claim 1, wherein the undercarriage is adapted to facilitate folding of the wheelchair, and wherein: the moving mechanism (3) comprises universal wheels (31) movably mounted on the right side of the bottom of each bottom side frame (1), and moving wheels (32) are movably mounted on the opposite sides of the two bottom side frames (1).

4. The wheelchair of claim 1, wherein the undercarriage is adapted to facilitate folding of the wheelchair, and wherein: the fixing mechanism (6) comprises positioning blocks (61) fixed on two sides of the surface of the movable rod (5), and positioning grooves (62) are formed in the top and the bottom of each positioning block (61).

5. The wheelchair of claim 4, wherein the undercarriage of the wheelchair is adapted to be folded for storage, the wheelchair further comprising: locking mechanical system (9) include and rotate the pressing plate (91) of connecting in fixed block (8) one end through the pivot, one side fixedly connected with locating lever (92) of pressing plate (91) bottom, one side of locating lever (92) run through to the inner chamber of constant head tank (62) and with constant head tank (62) swing joint, the opposite side fixedly connected with spring (93) of pressing plate (91) bottom, the one end and the fixed pipe (4) fixed connection of spring (93).

Images