CN213501985U

CN213501985U - Wheelchair fixer

Info

Publication number: CN213501985U
Application number: CN202022251708.8U
Authority: CN
Inventors: 刘永文; 张朔菲; 单体伟; 张艳琰; 魏京超
Original assignee: Qingdao West Coast Quanxiang Vehicle Technology Co ltd
Current assignee: Qingdao West Coast Quanxiang Vehicle Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-22
Anticipated expiration: 2030-10-10

Abstract

A wheelchair fixer comprises a slide rail which can be embedded into the floor in a carriage, a moving seat which is slidably arranged on the slide rail, a box body which is arranged on the moving seat, a connecting belt which is connected on the box body and can extend and retract relative to the box body, a limiting part which is arranged in the box body and can limit the retraction of the connecting belt, and a connecting part which is connected on the connecting belt and is used for being connected with a wheelchair; the connecting part arranged at the bottom of the movable seat is positioned in the sliding groove arranged on the sliding rail; the side wall of the sliding chute is provided with a plurality of limiting grooves along the length direction of the sliding chute; the movable seat is provided with a lock head capable of lifting, and the bottom of the lock head is provided with a plug capable of being inserted into the limiting groove. The utility model discloses the wheelchair fixer removes the seat and can slide in the spout of slide rail to adjust the position of box body, make the connecting band can be easier aim at the wheelchair, carry out quick tie up fixed to the wheelchair, need not remove the wheelchair and align, improve and use flexibility and convenience, the fastening is fixed the back fastness and is stronger.

Description

Wheelchair fixer

Technical Field

The utility model belongs to connect fixing device field, especially relate to a wheelchair fixer.

Background

Along with the development of society, to the supporting welfare product popularization of disabled person, disabled person goes out more and more conveniently, and more vehicle is equipped with the welfare product, makes things convenient for the wheelchair to get into the vehicle through lift etc.. In order to keep the wheelchair stable during the traveling of the vehicle and not move with the acceleration, deceleration, and turning of the vehicle, the wheelchair needs to be fixed after entering the vehicle.

Currently, the wheelchair is fixed by a fixer installed in the vehicle, and the fixer is tied on the wheelchair through a pulled-out safety belt, so that the wheelchair is fixedly connected with the vehicle. However, the position of the fixer in the vehicle is fixed, and the pull-out length of the safety belt is limited, so that the wheelchair needs to be pushed to the fixed position in the vehicle to connect the wheelchair with the safety belt of the fixer well, and the use of the fixer is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wheelchair fixer with flexible and convenient use, aiming at the problem of inconvenient use of the existing wheelchair fixer.

In order to achieve the above object, the utility model discloses a technical scheme be:

a wheelchair fixer comprises a slide rail which can be embedded into the floor in a carriage, a moving seat which is slidably arranged on the slide rail, a box body which is arranged on the moving seat, a connecting belt which is connected on the box body and can extend and retract relative to the box body, a limiting part which is arranged in the box body and can limit the retraction of the connecting belt, and a connecting part which is connected on the connecting belt and is used for being connected with a wheelchair;

the connecting part arranged at the bottom of the moving seat is positioned in the sliding groove arranged on the sliding rail;

the side wall of the sliding groove is provided with a plurality of first limiting grooves along the length direction of the sliding groove;

the movable seat is provided with a lock head capable of lifting, and the bottom of the lock head is provided with a plug capable of being inserted into the first limiting groove.

Preferably, the sliding groove is a T-shaped groove, and a wing plate capable of penetrating through the first limiting groove is arranged on the side wall of the connecting portion.

Preferably, the wing plates are provided in plurality along the longitudinal direction of the slide groove, and the adjacent wing plates are provided with a space into which the plug can enter.

Preferably, the lock head is in an inverted U shape and is inserted into an installation seat arranged on the movable seat, and the installation seat is provided with a second limiting groove;

the plug is provided with a transverse bolt, the bolt penetrates through the second limiting groove, and the end part of the bolt is located inside the lock head.

Preferably, the top of the lock head is provided with a handle used for lifting the lock head.

Preferably, both ends of the moving seat are connected with cover plates, and the cover plates are arranged along the length direction of the sliding rail and cover the notches of the sliding grooves.

Preferably, the support arranged on the box body is connected with the movable seat, and the connecting bolt fixedly connected with the movable seat penetrates through the mounting hole formed in the support so that the support can rotate by taking the connecting bolt as an axis.

Preferably, the connecting piece is a hook and is used for being connected with a wheelchair, and the box body is provided with a fixing buckle and is used for being connected with a safety belt arranged on the wheelchair.

Preferably, a rotatable rotating shaft is arranged in the box body, the connecting belt is wound on the rotating shaft, and the outer end of the connecting belt extends out of the box body and then is connected with the connecting piece;

the ratchet wheel is coaxially and fixedly installed on the rotating shaft, the limiting piece comprises a baffle hinged in the box body, and a torsion spring is installed between the box body and the baffle and used for enabling the baffle to be pressed on the surface of the connecting belt wound on the rotating shaft;

the baffle is provided with a pawl which can be matched with the ratchet wheel, a clockwork spring is arranged between the box body and the rotating shaft, and a deflector rod arranged on the baffle extends out of the box body.

Preferably, the rotating shaft is sleeved with a friction wheel, and two sides of the friction wheel are respectively contacted with the ratchet wheel and the inner wall surface of the box body;

the lug that sets up on the surface of friction pulley slidable mounting is in the guide slot that the box body lateral wall set up.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses the wheelchair fixer removes the seat and can slide in the spout of slide rail to adjust the position of box body, make the connecting band can be easier aim at the wheelchair, it is fixed to carry out quick tie up to the wheelchair, need not remove the wheelchair and aligns, improves and uses flexibility and convenience, and make the connecting band can be close to the wheelchair as far as, tie up fixed back fastness stronger.

The plug of the lock head is inserted into the limiting groove, the movable seat can be fixed at a certain position, the movable seat can move on the slide rail through reverse operation, and the positioning operation of the movable seat is convenient and easy.

The spout adopts the T-slot, removes the seat and sets up the pterygoid lamina, when making the pterygoid lamina unalignment spacing groove, removes the seat and can' T deviate from the spout, keeps the fastness that spout and removal seat are connected.

The tapered end is inserted on the movable seat, so that the lifting is convenient, and the plug can be plugged. The bolt of wearing to establish passes through the spacing groove to the vertical moving range of restriction bolt avoids the tapered end to pull up the back and breaks away from the removal seat, keeps structural integrity.

Remove the seat and connect the apron, the apron can remove along with removing the seat to cover all the time on the notch of spout, avoid the debris on the carriage floor to fall into the spout, prevent falling into of debris and hinder the smooth and easy slip that removes the seat.

The box body is connected with the moving seat through the support, so that the box body can rotate relative to the moving seat, the extending connecting bands can extend in different angle directions, and the wheelchair can be conveniently bound and fixed.

The ratchet wheel and the baffle are arranged in the box body, the baffle can be attached to the connecting belt of the roll, after the connecting belt is pulled out for one section, the baffle can swing towards the inner side, the pawl enters the wheel teeth of the ratchet wheel, the ratchet wheel is prevented from rotating, the connecting belt is prevented from being further pulled out, the length of the connecting belt is prevented from being too long, the connecting belt is prevented from being freely pulled out, the connecting belt is prevented from being pulled out by the wheelchair, and the stability of the fixed wheelchair is guaranteed.

The spring can produce the elasticity effect for the pivot when the connecting band is taken out, makes the pivot antiport withdraw the connecting band, when need not fixing the wheelchair, prevents that the connecting band from stretching out and stumble other passengers or hinder the normal removal of wheelchair.

The friction wheel of installation between ratchet and the box body inner wall can produce frictional force, and the effect is given the ratchet, and then the pivot is given in the effect, and the speed is too fast when preventing clockwork spring from pulling back the connecting band, and the couple of connecting band outer end connection is beaten and is hindered the user.

Drawings

FIG. 1 is an overall structure view of the wheelchair holder of the present invention;

FIG. 2 is a partial structure view of a slide rail of the wheelchair holder of the present invention;

FIG. 3 is a schematic structural view of the wheelchair retainer in which the locking head of the movable seat is in a pulled-up state;

FIG. 4 is a schematic structural view of the movable seat of the wheelchair holder of the present invention in an inserted state;

FIG. 5 is a cross-sectional view of the wheelchair retainer with the locking head of the movable seat in a pulled-up position;

FIG. 6 is a first schematic view showing the structure of the wheelchair holder with the case portion hidden;

FIG. 7 is a second schematic view of the wheelchair holder of the present invention with the box portion hidden;

in the above figures: 1. a slide rail; 11. a chute; 12. a first limit groove; 2. a movable seat; 21. a connecting portion; 22. a wing plate; 23. a mounting seat; 24. a second limit groove; 25. a connecting bolt; 3. a box body; 31. a rotating shaft; 32. a ratchet wheel; 33. a baffle plate; 34. a torsion spring; 35. a pawl; 36. a clockwork spring; 37. a deflector rod; 38. a friction wheel; 39. a bump; 40. a guide groove; 4. a connecting belt; 5. a fixing buckle; 6. a connecting member; 7. a lock head; 71. a plug; 72. a bolt; 73. a handle; 8. a cover plate; 9. and (4) a bracket.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 7, the utility model provides a wheelchair fixer, which comprises a slide rail 1, a movable seat 2, a box body 3, a connecting band 4, a limiting part and a connecting piece 6.

The slide rail 1 is embedded in a floor installed in a vehicle compartment.

The movable base 2 is slidably mounted on the slide rail 1 so as to be slidable along the slide rail 1.

The cartridge 3 is mounted on the moving base 2 so as to move as the moving base 2 slides.

The connection band 4 is connected with the case 3 and can be extended out of the case 3 or retracted into the case 3.

The limiting member is provided in the case 3, and can prevent the connecting belt 4 from retracting into the case 3.

The connecting piece 6 is arranged on the connecting belt 4 and used for connecting a wheelchair to realize the connection of the connecting belt 4 and the wheelchair.

The sliding rail 1 is provided with a sliding chute 11, and a connecting part 21 arranged at the bottom of the moving seat 2 is slidably installed in the sliding chute 11.

The lateral wall of spout 11 is provided with first spacing groove 12, and first spacing groove 12 is provided with a plurality ofly along the length direction of spout 11.

The movable seat 2 is provided with a lock head 7 capable of lifting, and the bottom of the lock head 7 is provided with a plug 71 capable of being inserted into the first limiting groove 12.

After arriving at the floor in the carriage, the wheelchair moves to one side of the wheelchair fixer. The mobile seat 2 slides along the slide rail 1 to align the box body 3 with the wheelchair.

The lock head 7 is pressed downwards, the plug 71 is inserted into the first limiting groove 12 at the corresponding position, the moving seat 2 cannot slide through the matching of the plug 71 and the first limiting groove 12, and the moving seat is positioned and fixed at the set position, so that the box body 3 is kept aligned with the wheelchair.

The connecting belt 4 is drawn out of the box body 3, the connecting piece 6 is connected to the wheelchair, the limiting piece limits the retraction of the connecting belt 4, the wheelchair is connected with the wheelchair fixer, and therefore the wheelchair is effectively fixed in a carriage.

In order to firmly position the movable seat 2, the plug 71 is matched with the first limiting groove 12, i.e. when the plug 71 is inserted into the first limiting groove 12, the outer wall of the plug 71 is in contact with the inner wall of the first limiting groove 12.

In order to improve the firmness of the connection between the movable seat 2 and the slide rail 1, the sliding groove 11 is a T-shaped groove, and a wing plate 22 is arranged on the side wall of the connecting portion 21.

The wing plate 22 can be aligned with and pass through the first stopper groove 12 so that the connecting portion 21 can be fitted into the slide groove 11 of the slide rail 1.

When the wing plate 22 is not aligned with the first position-limiting groove 12 in the sliding groove 11, the wing plate 22 locks the connecting portion 21 of the movable seat 2 in the sliding groove 11, so that the connecting portion 21 cannot be pulled out of the sliding groove 11.

The plurality of wing plates 22 are provided along the longitudinal direction of the chute so that the connection portion 21 of the movable base 2 can be engaged with the chute 11 at each position in the longitudinal direction.

The adjacent wing plates 22 are provided with spacing spaces into which the plugs 71 can enter, so that the wing plates 22 are prevented from blocking the lifting of the plugs 71, the plugs 71 can be smoothly inserted into the first limiting grooves 12 and can contact the bottom surfaces of the sliding grooves 11, the plugs 71 can be deeply inserted, and the firmness of the movable base 2 in positioning and fixing is improved.

Tapered end 7 is the shape of falling U, pegs graft on the mount pad 23 that removes seat 2 and set up to make tapered end 7 can with remove seat 2 sliding connection, realize going up and down.

The mounting seat 23 is provided with a second limiting groove 24, and the second limiting groove 24 is vertically arranged.

The plug 71 is provided with a bolt 72, and the bolt 72 is transversely arranged and passes through the second limiting groove 24, so that the second limiting groove 24 can limit the moving range of the bolt 72 in the vertical direction, and the lock head 7 is prevented from being separated from the moving seat 2 after being lifted upwards.

The end of the bolt 72 is located inside the lock head 7, so that the bolt 72 is prevented from abutting against the top surface of the slide rail 1 and obstructing the plug 71 from being inserted into the second limiting groove 24.

In order to pull up the lock head 7 and pull out the plug 71 from the first limiting groove 12, a handle 73 is arranged at the top of the lock head 7.

Both ends of the moving seat 2 are connected with cover plates 8, and the cover plates 8 are arranged along the length direction of the sliding rail 1 and cover the notches of the sliding grooves 11.

The cover plate 8 is always covered on the sliding groove 11 along with the movement of the moving seat 2, so that foreign matters are prevented from falling into the sliding groove 11, and the foreign matters are prevented from falling into the smooth sliding block which hinders the moving seat 2.

In order to make the connecting belt 4 more easily pulled to the wheelchair, the bracket 9 of the box body 3 is connected with the moving seat 2, and the connecting bolt 25 fixedly connected with the moving seat 2 passes through the mounting hole of the bracket 9, so that the bracket 9 can rotate by taking the connecting bolt 25 as an axis.

The box body 3 rotates, so that the connecting belt 4 can adjust the extending angle direction along with the rotating, and the connecting belt is pulled to the wheelchair linearly, thereby being convenient for connecting the wheelchair.

The connecting piece 6 is a hook which is provided with a lock catch and can be conveniently connected to the wheelchair. The box body 3 is provided with a fixing buckle 5, and a safety belt arranged on the wheelchair is connected with the fixing buckle 5 after fixing the body of a passenger, so that the passenger on the wheelchair is safer and more stable.

In order to facilitate the storage of the connection belt 4, a rotating shaft 31 is installed in the box body 3, the inner end of the connection belt 4 is fixedly connected with the rotating shaft 31, and then the connection belt 4 is wound on the rotating shaft 31, so that the connection belt 4 is wound on the rotating shaft 31. The outer end of the connecting belt 4 is extended out of the opening of the box body 3, and then the connecting piece 6 is installed.

The spring 36 is arranged in the mounting bin arranged on the box body 3, and the spring 36 is connected with the rotating shaft 31. When the connection belt 4 is pulled out of the case body 3, the rotation shaft 31 rotates, and the spiral spring 36 elastically deforms to generate a torque force that can drive the rotation shaft 31 to rotate in the opposite direction.

The connecting belt 4 is pulled out of the box body 3, and the connecting piece 6 is connected with the wheelchair. The connecting belt 4 is loosened, the elastic force of the clockwork spring 36 drives the rotating shaft 31 to rotate reversely, and the connecting belt 4 is tensioned, so that the wheelchair is tensioned, and the connection between the wheelchair and the wheelchair fixer is firmer.

After the connecting piece 6 is disconnected with the wheelchair, the clockwork spring 36 can automatically retract the connecting belt 4 into the box body 3 through elasticity, so that the connecting belt 4 is prevented from scattering outside and tripping other passengers or blocking the movement of the wheelchair.

The rotating shaft 31 is coaxially provided with a ratchet wheel 32, and the ratchet wheel 32 can synchronously rotate along with the rotating shaft 31.

The limiting member comprises a baffle 33, the baffle 33 is hinged in the box body 3, a torsion spring 34 is arranged between the box body 3 and the baffle 33, and under the torsion action of the torsion spring 34, the baffle 33 is pressed on the surface of the connecting belt 4 wound on the rotating shaft 31.

The baffle 33 is provided with a pawl 35 matched with the ratchet 32, the baffle 33 is provided with a shift lever 37, and the outer end of the shift lever 37 extends out of the box body 3.

When the connecting band 4 is gradually pulled out of the box body 3, the outer diameter of the connecting band 4 wound on the rotating shaft 31 is gradually reduced, the baffle 33 is gradually close to the rotating shaft 31, and the pawl 35 on the baffle 33 is gradually close to the ratchet wheel 32.

When the pawl 35 is engaged in the teeth of the ratchet wheel 32, the connecting belt 4 cannot be withdrawn. The lever 37 is then moved so that the flap 33 is pivoted away from the pivot 31 against the torque force, so that the pawl 35 is released from the teeth of the ratchet 32 and the strap 4 can be pulled out again.

When the vehicle is braked suddenly, the wheelchair can be subjected to inertia to pull the connecting belt 4 outwards. The connecting belt 4 is prevented from being pulled out of the box body 3 through the matching of the ratchet wheel 32 and the pawl 35, so that the wheelchair can be tensioned by the connecting belt 4, the wheelchair is prevented from moving by inertia when being braked suddenly, and the stability of the wheelchair is improved.

In order to prevent the connecting belt 4 from being retracted too fast under the action of the spring 36 and to make the connecting piece 6 injure the user, the rotating shaft 31 is sleeved with a friction wheel 38

The friction wheel 38 can rotate relative to the rotating shaft 31, and both sides of the friction wheel 38 are respectively contacted with the ratchet wheel 32 and the inner wall surface of the box body 3, thereby generating friction force.

The projections 39 provided on the surface of the friction wheel 38 are slidably mounted in guide slots 40 provided in the side walls of the box 3.

When the connecting belt 4 is retracted, the ratchet wheel 32 rotates along with the rotating shaft 31 and contacts with the friction wheel 38, so that the friction wheel 38 rotates along with the ratchet wheel 32 first, and the lug 39 slides in the guide groove 40. When the cam 39 moves to the end of the guiding groove 40, the rotation of the friction wheel 38 is limited, and the friction force continuously rubs with the ratchet wheel 32, and the friction force reduces the rotation speed of the rotating shaft 31, so that the connecting belt 4 is retracted at a slower speed.

The projection 39 slides in the guiding groove 40, so as to provide an initial speed for the rotating shaft 31 when the connecting belt 4 is retracted, prevent the initial friction force from hindering the rotation of the rotating shaft 31, clamp the rotating shaft 31, and enable the connecting belt 4 to be smoothly retracted.

Claims

1. A wheelchair fixer is characterized by comprising a slide rail (1) which can be embedded into the floor in a carriage, a moving seat (2) which is slidably arranged on the slide rail (1), a box body (3) which is arranged on the moving seat (2), a connecting belt (4) which is connected to the box body (3) and can extend and retract relative to the box body (3), a limiting part which is arranged in the box body (3) and can limit the retraction of the connecting belt (4), and a connecting part (6) which is connected to the connecting belt (4) and is used for being connected with a wheelchair;

a connecting part (21) arranged at the bottom of the movable seat (2) is positioned in a sliding groove (11) arranged on the sliding rail (1);

a plurality of first limiting grooves (12) are formed in the side wall of the sliding groove (11), and the first limiting grooves (12) are formed in the length direction of the sliding groove (11);

the movable seat (2) is provided with a lock head (7) capable of lifting, and the bottom of the lock head (7) is provided with a plug (71) capable of being inserted into the first limiting groove (12).

2. The wheelchair-holder according to claim 1, wherein the slide groove (11) is a T-shaped groove, and a wing plate (22) capable of passing through the first limit groove (12) is provided on a side wall of the connecting portion (21).

3. Wheelchair-holder according to claim 2, wherein the wings (22) are arranged in a plurality along the length of the runner, adjacent wings (22) being provided with a space into which the plug (71) can enter.

4. The wheelchair fixator of claim 1, wherein the locking head (7) is in an inverted U shape and is inserted into a mounting seat (23) of the movable seat (2), and the mounting seat (23) is provided with a second limiting groove (24);

plug (71) is installed bolt (72) of horizontal setting, bolt (72) pass second spacing groove (24), and the tip all is located tapered end (7) inside.

5. Wheelchair holder according to claim 1, wherein a handle (73) is arranged on top of the locking head (7) for lifting the locking head (7).

6. The wheelchair holder as claimed in claim 1, wherein the moving base (2) is connected at both ends with cover plates (8), and the cover plates (8) are arranged along the length direction of the slide rail (1) and cover the notches of the slide grooves (11).

7. The wheelchair-fixer according to claim 1, wherein the frame (9) of the box (3) is connected to the movable base (2), and the connecting bolt (25) fixed to the movable base (2) passes through the mounting hole of the frame (9) to enable the frame (9) to rotate around the connecting bolt (25).

8. The wheelchair-holder according to claim 1, wherein the connecting member (6) is a hook for connecting to a wheelchair, and the case (3) is provided with a fixing buckle (5) for connecting to a safety belt provided on the wheelchair.

9. The wheelchair fixator of claim 1 wherein a rotatable shaft (31) is provided in the box (3), the connecting strap (4) is wound around the shaft (31) and the outer end of the connecting strap extends out of the box (3) to connect the connecting member (6);

the ratchet wheel (32) is coaxially and fixedly installed on the rotating shaft (31), the limiting piece comprises a baffle (33) hinged in the box body (3), and a torsion spring (34) is installed between the box body (3) and the baffle (33) and used for enabling the baffle (33) to be pressed on the surface of the connecting belt (4) wound on the rotating shaft (31);

the baffle (33) is provided with a pawl (35) capable of being matched with the ratchet wheel (32), a clockwork spring (36) is installed between the box body (3) and the rotating shaft (31), and a shifting rod (37) arranged on the baffle (33) extends out of the box body (3).

10. The wheelchair fixer according to claim 9, wherein the rotating shaft (31) is sleeved with a friction wheel (38), and two sides of the friction wheel (38) are respectively contacted with the ratchet wheel (32) and the inner wall surface of the box body (3);

the lug (39) arranged on the surface of the friction wheel (38) is slidably arranged in the guide groove (40) arranged on the side wall of the box body (3).