CN211512365U

CN211512365U - Foldable mechanism of electric wheelchair

Info

Publication number: CN211512365U
Application number: CN201921715122.3U
Authority: CN
Inventors: 范志清
Original assignee: Kunshan Aoshida Electric Technology Co ltd
Current assignee: Kunshan Aoshida Electric Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-09-18
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an electronic wheelchair folding mechanism, the on-line screen storage device comprises a base, fixed surface is connected with the seat on the base, one side of seat is provided with the back, the front of back and the first dead lever of the equal fixedly connected with in the back, it has cup jointed the handrail, two to rotate on the outer wall of first dead lever the one side that the handrail was carried on the back mutually all is provided with the bolt, first recess has been seted up to the bottom of handrail, fixedly connected with second dead lever on the both sides inner wall of first recess, it has cup jointed the montant to rotate on the outer wall of second dead lever, the bottom fixedly connected with connecting block of montant, seted up on the connecting block with bolt matched with jack. The utility model discloses utilize the collapsible design of packing up of handrail, the user can rotate into the inner chamber of handrail lower surface recess with the montant when need not using the handrail in, easy operation is convenient.

Description

Foldable mechanism of electric wheelchair

Technical Field

The utility model relates to an electronic wheelchair field, in particular to electronic wheelchair folding mechanism.

Background

The wheelchair is essential article in the disabled person life, and along with the continuous improvement of life, the travelling comfort requirement of a lot of disabled person to the wheelchair is also higher and higher, also crescent to the functional demand of wheelchair, so the function is more, and convenient operation's electronic wheelchair is more common in people's life, but present electronic wheelchair handrail department is generally not folding to be accomodate, occupies certain space, can hinder this disabled person who just moves inconvenience to sit the activity on the wheelchair sometimes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic wheelchair folding mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic wheelchair folding mechanism, includes the base, fixed surface is connected with the seat on the base, one side of seat is provided with the back, the front of back and the first dead lever of the equal fixedly connected with in the back, it has cup jointed the handrail, two to rotate on the outer wall of first dead lever one side that the handrail was carried on the back mutually all is provided with the bolt, first recess has been seted up to the bottom of handrail, fixedly connected with second dead lever on the both sides side inner wall of first recess, it has cup jointed the montant to rotate on the outer wall of second dead lever, the bottom fixedly connected with connecting block of montant, set up the jack with bolt matched with on the connecting block.

Preferably, the bottom screw thread of montant alternates and is connected with the bolt, the seat is close to both sides of montant and all offers the screw hole with bolt matched with.

Preferably, a second groove is formed in one side of the armrest, and one end of the plug pin penetrates through the second groove and extends into the inner cavity of the first groove.

Preferably, the outer wall of the bolt is fixedly sleeved with a fixed block, the fixed block is located in the inner cavity of the second groove, the fixed block is fixedly connected with a spring, and the spring is movably sleeved on the outer wall of the bolt.

Preferably, a circular groove is formed in the middle of the backrest, and an electric fan is fixedly connected to the inner wall of the circular groove.

The utility model discloses a technological effect and advantage:

1. the utility model discloses utilize the design that the handrail can be folded and packed up, the user can rotate the montant into the inner chamber of handrail lower surface recess when not needing to use the handrail, then utilize the bolt to make the montant fix and can not slide off, later rotate the handrail to the avris laminating with the back, easy operation is convenient, can not hinder the activity that the user sat on the wheelchair when making the handrail not need use;

2. the utility model discloses it is the design to utilize collapsible the packing up of back, and the user can further rotate the back with the folding back of packing up of handrail, makes the upper surface laminating of back and seat, can further make the occupation space of wheelchair reduce, can prevent debris such as dust from falling on the seat when the wheelchair does not use simultaneously again.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the first groove of the present invention.

Fig. 3 is a schematic view of the internal structure of the second groove of the present invention.

Fig. 4 is an enlarged schematic view of the a position of the present invention.

Fig. 5 is a schematic view of the overall structure of the turning block of the present invention.

Fig. 6 is a schematic view of the internal structure of the backrest of the present invention.

In the figure: 1. a base; 2. a seat plate; 3. a backrest; 4. a first fixing lever; 5. a handrail; 6. a bolt; 7. a first groove; 8. a second fixing bar; 9. a vertical rod; 10. connecting blocks; 11. a jack; 12. a bolt; 13. a second groove; 14. a fixed block; 15. a spring; 16. a third groove; 17. a third fixing bar; 18. rotating the block; 19. and (4) an electric fan.

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.

The utility model provides a folding mechanism of an electric wheelchair as shown in figures 1-6, which comprises a base 1, a seat plate 2 is fixedly connected on the upper surface of the base 1, one side of the seat plate 2 is provided with a backrest 3, the front surface and the back surface of the backrest 3 are both fixedly connected with a first fixing rod 4, a handrail 5 is rotatably sleeved on the outer wall of the first fixing rod 4, an anti-skid sleeve is fixedly sleeved on the outer wall of the first fixing rod 4, the outer wall of the anti-skid sleeve is attached to the handrail 5, and the inner cavity at the joint of the first fixing rod 4 and the handrail 5 is in interference fit, only when the handrail 5 is rotated forcibly, the handrail 5 can rotate to avoid the random rotation of the handrail 5, a bolt 6 is arranged on one side of the two opposite sides of the two handrails 5, a first groove 7 is arranged at the bottom of the handrail 5, a second fixing rod 8 is fixedly connected on the inner walls at the two sides of the first groove 7, montant 9 has been cup jointed in the rotation on the outer wall of second dead lever 8, the bottom fixedly connected with connecting block 10 of montant 9, set up on the connecting block 10 with 6 matched with jacks 11 of bolt, the bottom screw thread interlude of montant 9 is connected with bolt 12, the seat 2 is close to the both sides side of montant 9 and all sets up with bolt 12 matched with screw hole, thereby the user realizes handrail 5's fixed through twisting bolt 12 into the threaded hole of 2 avris of seat.

A second groove 13 is formed in one side of the handrail 5, one end of the bolt 6 passes through the second groove 13 and extends into the inner cavity of the first groove 7, a fixed block 14 is fixedly sleeved on the outer wall of the bolt 6, the fixed block 14 is positioned in the inner cavity of the second groove 13, a spring 15 is fixedly connected on the fixed block 14, the spring 15 is movably sleeved on the outer wall of the bolt 6, when the handrail 5 needs to be folded and folded, a user only needs to screw out the bolt 12 and pull out the bolt 6, the spring 15 is in a compressed state at the moment, then the vertical rod 9 is rotated into the inner cavity of the first groove 7 on the lower surface of the handrail 5, the jack 11 on the connecting block 10 is aligned with the bolt 6, then the bolt 6 is released, the spring 15 is reset at the moment, the bolt 6 is inserted into the jack 11 under the elastic force of the spring 15, so that the vertical rod 9 is fixed in the first, the handrail 5 and the junction interference fit of first dead lever 4, handrail 5 just can use first dead lever 4 to rotate as the centre of a circle when only rotating handrail 5 hard, and later the user can rotate handrail 5 to the avris laminating with back 3 to the completion is accomodate the folding of handrail 5.

The upper surface of the seat plate 2 is provided with a third groove 16 near one side of the backrest 3, the inner walls of two sides of the third groove 16 are fixedly connected with a third fixing rod 17, the outer wall of the third fixing rod 17 is rotatably sleeved with a rotating block 18, and the rotating block 18 is fixedly connected with the backrest 3, after a user folds the handrail 5, the backrest 3 can be further rotated to ensure that the backrest 3 is attached to the upper surface of the seat plate 2, so that the occupied space of the wheelchair can be reduced, dust and the like can be prevented from falling on the seat plate 2 when the wheelchair is not used, the middle part of the backrest 3 is provided with a circular groove, the inner wall of the circular groove is fixedly connected with an electric fan 19, the electric fan 19 is electrically connected with an external power supply through an external switch, when the temperature is high, the user can open the switch to ensure that the electric fan 19 is electrified to work, and the electric fan 19 rotates to blow air.

This practical theory of operation:

when a user needs to fold and pack the armrest, the user only needs to screw out the bolt 12 and then pull out the bolt 6, at the moment, the spring 15 is in a compressed state, then the vertical rod 9 is rotated into the inner cavity of the first groove 7 on the lower surface of the armrest 5, the jack 11 on the connecting block 10 is aligned with the bolt 6, then the bolt 6 is released, at the moment, the spring 15 is reset, the bolt 6 is inserted into the jack 11 under the elastic force of the spring 15, so that the vertical rod 9 is fixed in the first groove 7 on the lower surface of the armrest 5, then the user can rotate the armrest 5 to be attached to the side of the backrest 3, thereby completing the folding and the storage of the armrest 5, after the user folds and packs the armrest 5, the user can further rotate the backrest 3, so that the backrest 3 is attached to the upper surface of the seat plate 2, thereby completing the folding and the packing of the wheelchair, when the temperature is higher, the user, the fan 19 rotates to blow air, and has the functions of exhausting air and relieving summer heat.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electric wheelchair folding mechanism, includes base (1), its characterized in that: fixed surface is connected with seat (2) on base (1), one side of seat (2) is provided with back (3), the front of back (3) and the first dead lever of the equal fixedly connected with in the back (4), handrail (5) have been cup jointed in the rotation on the outer wall of first dead lever (4), two handrail (5) one side of carrying on the back mutually all is provided with bolt (6), first recess (7) have been seted up to the bottom of handrail (5), fixedly connected with second dead lever (8) on the both sides side inner wall of first recess (7), montant (9) have been cup jointed in the rotation on the outer wall of second dead lever (8), bottom fixedly connected with connecting block (10) of montant (9), jack (11) with bolt (6) matched with have been seted up on connecting block (10).

2. The electric wheelchair collapsible mechanism of claim 1, wherein: the bottom of the vertical rod (9) is threaded and connected with a bolt (12) in an inserting mode, and threaded holes matched with the bolt (12) are formed in the two sides, close to the vertical rod (9), of the seat plate (2).

3. The electric wheelchair collapsible mechanism of claim 1, wherein: a second groove (13) is formed in one side of the handrail (5), and one end of the plug pin (6) penetrates through the second groove (13) and extends into an inner cavity of the first groove (7).

4. The electric wheelchair collapsible mechanism of claim 1, wherein: the outer wall of bolt (6) is fixed to be cup jointed fixed block (14), just fixed block (14) are arranged in the inner cavity of second recess (13), fixedly connected with spring (15) on fixed block (14), just spring (15) activity is cup jointed in the outer wall of bolt (6).

5. The electric wheelchair collapsible mechanism of claim 1, wherein: the middle part of the backrest (3) is provided with a circular groove, and the inner wall of the circular groove is fixedly connected with an electric fan (19).