阅读说明：本技术 一种城轨车辆轮椅固定装置 (Urban rail vehicle wheelchair fixing device ) 是由 耿子康 王平 金月娥 王洪珍 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种城轨车辆轮椅固定装置,涉及轮椅辅助装置技术领域,包括底座、转轴、滑动组件、驱动件、卡合装置和抵持件。底座内沿长度方向开设有通槽,通槽内设有转轴,转轴内部对称设有两组滑动组件,转轴一侧固定设有驱动件,底座两侧设有插块,插块底部设有卡合装置,卡合装置包括固定在插块底部的电动伸缩杆,电动伸缩杆端部两侧固定设有压板,两个压板内侧垂直固定设有抵持件,压板端部沿竖直方向固定设有抵接杆。本发明中通过中央控制器自动控制,轮椅使用者只需要按下开启键即可自动对轮椅车轮实行固定,到达目的地时,按下关闭键即可对车轮解除固定,为轮椅使用者的出行提供了极大的便利。(The invention discloses a wheelchair fixing device for an urban rail vehicle, and relates to the technical field of wheelchair auxiliary devices. Seted up logical groove along length direction in the base, lead to the inslot and be equipped with the pivot, the inside symmetry of pivot is equipped with two sets of slip subassemblies, the fixed driving piece that is equipped with in pivot one side, the base both sides are equipped with the inserted block, the inserted block bottom is equipped with block device, block device is including fixing the electric telescopic handle in the inserted block bottom, the fixed clamp plate that is equipped with in electric telescopic handle tip both sides, two inboard vertical fixation of clamp plate are equipped with supports and hold the piece, the clamp plate tip is along the fixed butt joint pole that is equipped with of vertical direction. The wheel chair is automatically controlled by the central controller, a wheelchair user can automatically fix the wheels of the wheel chair only by pressing the opening key, and can release the fixation of the wheels by pressing the closing key when the wheel chair arrives at a destination, so that great convenience is provided for the traveling of the wheelchair user.)

1. A wheelchair fixing device for urban rail vehicles comprises a base (1) and is characterized in that a through groove (2) is formed in the base (1) along the length direction, and a rotating shaft (3) is arranged in the through groove (2); a sliding groove (14) is vertically formed in the middle of the bottom of the through groove (2), a connecting rod (16) is arranged in the sliding groove (14) in a sliding mode along the vertical direction, two sides of the bottom of the connecting rod (16) are connected with rotating shafts on two sides of a first roller (17) located at the bottom of the sliding groove (14) through fixing rods, the top of the connecting rod (16) extends into the through groove (2) and is rotatably connected with a rotating plate (15), and the top of the rotating plate (15) is fixedly connected with the middle of the rotating shaft (3); two groups of sliding assemblies are symmetrically arranged in the rotating shaft (3);

two grooves (4) are symmetrically formed in the rotating shaft (3), each sliding assembly comprises a screw rod (5) which is arranged in one groove (4) and is rotatably connected with two end faces of the groove (4), a driving piece is fixedly arranged on one side of the rotating shaft (3), and the driving piece drives the screw rod (5) to rotate; a sliding ring (9) is matched on the screw rod (5) in a threaded manner, and guide blocks (10) which are connected with the inner wall of the groove (4) in a sliding manner are arranged on two sides of the sliding ring (9); a connecting plate (12) is fixedly connected to the outer side of the slip ring (9), and the end of the connecting plate (12) penetrates through the outer end of the rotating shaft (3) and is fixedly connected with an insert block (13); the outer side of the insertion block (13) is rotatably connected with a second roller (26), and the bottom of the insertion block (13) is provided with a clamping device for clamping a wheel hub of a wheelchair.

2. An urban rail vehicle wheelchair fixing device as claimed in claim 1, wherein a box body (18) is fixedly arranged on one side of the rotating shaft (3), the driving member comprises two motors (7) fixedly connected with the bottom in the box body (18), the output end of each motor (7) penetrates through the side wall of the rotating shaft (3) and is provided with a driving bevel gear (8), a driven bevel gear (6) is arranged on one side of the screw rod (5) close to the inner end face of the groove (4), and the driving bevel gear (7) is engaged with the corresponding driven bevel gear (6).

3. An urban rail vehicle wheelchair securing device as claimed in claim 1, wherein the inner wall of said recess (4) is provided with a guide groove (11) slidably engaged with said two guide blocks (10).

4. The urban rail vehicle wheelchair fixing device as claimed in claim 1, wherein the clamping device comprises an electric telescopic rod (19) fixed at the bottom of the insert block (13), pressing plates (20) are fixedly arranged on two sides of the end portion of the electric telescopic rod (19), abutting pieces are vertically and fixedly arranged on the inner sides of the two pressing plates (20), and abutting rods (21) are fixedly arranged on the end portions of the pressing plates (20) in the vertical direction.

5. An urban rail vehicle wheelchair fixing device as claimed in claim 4, wherein the supporting member comprises two supporting sleeves (22) symmetrically and vertically arranged on the inner sides of the two pressing plates (20), each supporting sleeve (22) is internally connected with a telescopic rod (23), a spring (24) is arranged on the outer side of each telescopic rod (23), two ends of each spring (24) are respectively and fixedly connected with two ends of each telescopic rod (23), and the bottom of each telescopic rod (23) is movably connected with a supporting plate (25).

6. An urban rail vehicle wheelchair securing device as claimed in claim 5, wherein the outer sides of the electric telescopic rods (19) are provided with distance measuring sensors (28).

7. An urban rail vehicle wheelchair fixing device as claimed in claim 6, wherein a central controller (27) is arranged on the side wall of the carriage corresponding to the base (1), and the distance measuring sensor (28), the motor (7) and the electric telescopic rod (19) are all in wireless connection with the central controller (27).

8. An urban rail vehicle wheelchair securing device as claimed in claim 1, wherein one side of the through groove (2) is arc-shaped and the other side is square.

9. An urban rail vehicle wheelchair securing device according to claim 1, wherein the said rotating plate (15) is circular in shape and has a radius larger than the width of the said chute (14), there being a gap between the bottom of the said rotating plate (15) and the bottom of the said through slot (2).

10. An urban rail vehicle wheelchair securing device as claimed in claim 1, wherein the bottom of the butt link (21) is provided with an anti-slip gasket (29).

Technical Field

The invention relates to the technical field of wheelchair auxiliary devices, in particular to a wheelchair fixing device for an urban rail vehicle.

Background

In modern cities, urban rail vehicles are developing more and more rapidly as a novel green and environment-friendly vehicle. The longitudinal acceleration and deceleration, and the left and right acceleration of the vehicle keep extremely high stability during running, and the vehicle is the first choice of a plurality of travelers. In people-oriented modern society, vehicles pay more attention to humanization besides meeting the riding requirements so as to meet the riding requirements of different people. The wheelchair fixing device is suitable for special people with inconvenient actions, and provides a safe and comfortable riding journey for wheelchair passengers.

On urban rail vehicle, if still adopt the fixed restraint band of traditional wheelchair, fix traveller or wheelchair, some can make traveller experience feel extremely poor, and some operations are complicated, waste time and energy, all can't with the vehicle technology phase-match of flying speed development.

Disclosure of Invention

The embodiment of the invention provides a wheelchair fixing device for an urban rail vehicle, which can solve the problems in the prior art.

The invention provides a fixing device for a wheelchair of an urban rail vehicle, which comprises a base, wherein a through groove is formed in the base along the length direction, and a rotating shaft is arranged in the through groove; a sliding groove is vertically formed in the middle of the bottom of the through groove, a connecting rod is arranged in the sliding groove in a sliding mode along the vertical direction, two sides of the bottom of the connecting rod are connected with rotating shafts on two sides of a first roller wheel located at the bottom of the sliding groove through fixing rods, the top of the connecting rod extends into the through groove and is rotatably connected with a rotating plate, and the top of the rotating plate is fixedly connected with the middle of the rotating shaft; two groups of sliding assemblies are symmetrically arranged in the rotating shaft;

two grooves are symmetrically formed in the rotating shaft, each sliding assembly comprises a screw rod which is arranged in one groove and is rotationally connected with two end faces of the groove, a driving piece is fixedly arranged on one side of the rotating shaft, and the driving piece drives the screw rod to rotate; a sliding ring is matched on the screw rod in a threaded manner, guide blocks which are connected with the inner wall of the groove in a sliding manner are arranged on two sides of the sliding ring, a connecting plate is fixedly connected to the outer side of the sliding ring, and the end part of the connecting plate penetrates through the outer end of the rotating shaft and is fixedly connected with an insert block; the outer side of the insertion block is rotatably connected with a second idler wheel, and the bottom of the insertion block is provided with a clamping device for clamping a wheel hub of the wheelchair.

Preferably, a box body is fixedly arranged on one side of the rotating shaft, the driving part comprises two motors fixedly connected with the inner bottom of the box body, the output end of each motor penetrates through the side wall of the rotating shaft and is provided with a driving bevel gear, one side, close to the inner end face of the groove, of the screw rod is provided with a driven bevel gear, and the driving bevel gear is meshed with the corresponding driven bevel gear. Preferably, the abutting piece comprises two abutting sleeves which are symmetrically and vertically arranged on the inner sides of the two pressing plates, a telescopic rod is arranged in each abutting sleeve, a spring is arranged on the outer side of each telescopic rod, and the bottom of each telescopic rod is movably connected with an abutting plate.

Preferably, the inner wall of the groove is provided with a guide groove in sliding fit with the two guide blocks.

Preferably, the clamping device comprises an electric telescopic rod fixed at the bottom of the insertion block, pressing plates are fixedly arranged on two sides of the end portion of the electric telescopic rod, abutting pieces are vertically and fixedly arranged on the inner sides of the two pressing plates, and abutting rods are fixedly arranged on the end portions of the pressing plates in the vertical direction.

Preferably, the abutting piece comprises two abutting sleeves which are symmetrically and vertically arranged on the inner sides of the two pressing plates, a telescopic rod is connected to the inner portion of each abutting sleeve, a spring is arranged on the outer side of each telescopic rod, two ends of each spring are fixedly connected with two ends of each telescopic rod respectively, and the bottom of each telescopic rod is movably connected with an abutting plate.

Preferably, the outer sides of the electric telescopic rods are provided with distance measuring sensors.

Preferably, a central controller is arranged on the side wall of the carriage corresponding to the base, and the distance measuring sensor, the motor and the electric telescopic rod are all in wireless connection with the central controller.

Preferably, one side of the two sides of the through groove is arc-shaped, and the other side of the through groove is square.

Preferably, the shape of the rotating plate is circular, the radius of the rotating plate is larger than the width of the sliding groove, and a gap is formed between the bottom of the rotating plate and the bottom of the through groove.

Preferably, the bottom of the abutting rod is provided with an anti-slip gasket.

Compared with the prior art, the invention has the beneficial effects that:

(1) the rotating shaft of the invention can move back and forth in the horizontal direction and can rotate, so the sliding component can also adjust the direction at will, when the wheelchair is pushed above the base, a user only needs to lock the wheel as usual, when the insert block at one side extends into the wheel and is abutted against the spoke, the second roller can roll towards one side of the spoke, the rotating shaft can rotate, thereby driving the insertion block to be inserted between two adjacent spokes, when the insertion block at the other side is abutted against the spokes, can be on pivot pivoted basis combining first gyro wheel at the inside roll of spout, can be convenient quick insert the inserted block of opposite side between two adjacent spokes in another wheel, need not the wheel secondary and rotate to go the adjustment direction, the pivot can be adjusted according to the angle of wheel is automatic, need not manual rotation wheel and adjusts, provides very big facility for wheelchair user's trip.

(2) The supporting plate and the telescopic rod are movably connected, the supporting plate can rotate in the vertical direction within a certain angle, the maximum contact area is ensured when the supporting plate is abutted against the inner side of the hub, the hub of the wheel can be effectively supported, the bottom of the supporting rod is also provided with the anti-skidding gasket, and when the wheel is completely fixed, the wheelchair is ensured not to shake when a carriage fluctuates.

(3) The invention is automatically controlled by the central controller, the wheelchair user can automatically fix the wheels of the wheelchair only by pressing the opening key, and can release the fixation of the wheels by pressing the closing key when the wheelchair reaches the destination, thereby being very convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a side view of the internal structure of the base of the present invention;

FIG. 2 is a top view of the base of the present invention;

FIG. 3 is a schematic structural diagram of the engaging device of the present invention;

FIG. 4 is a side view schematic of the present invention in use in a vehicle cabin;

fig. 5 is a schematic plan view of the present invention applied to a vehicle cabin.

In the figure: 1-base, 2-through groove, 3-rotating shaft, 4-groove, 5-screw rod, 6-driven bevel gear, 7-motor, 8-driving bevel gear, 9-slip ring, 10-guide block, 11-guide groove, 12-connecting plate, 13-insert block, 14-sliding groove, 15-rotating plate, 16-connecting rod, 17-first roller, 18-box body, 19-electric telescopic rod, 20-pressing plate, 21-abutting rod, 22-abutting sleeve, 23-telescopic rod, 24-spring, 25-abutting plate, 26-second roller, 27-central controller, 28-distance measuring sensor and 29-anti-slip gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the invention provides a fixing device for a wheelchair of an urban rail vehicle, which comprises a base 1, wherein the base 1 is made of an iron material, a through groove 2 is formed in the base 1 along the length direction, and in order to better integrate the fixing device, one side of each of two sides of the through groove 2 is arc-shaped, and the other side of each of the two sides of the through groove 2 is square. Square spout 14 has been seted up perpendicularly to the interior bottom that leads to groove 2, and the length of spout 14 slightly is less than the length that leads to groove 2, and the inside vertical direction that slides of following of spout 14 is equipped with connecting rod 16, and connecting rod 16 bottom is equipped with first gyro wheel 17, and first gyro wheel 17 is located spout 14 bottom, and first gyro wheel 17 drives connecting rod 16 and slides in spout 14 is inside, and the width of connecting rod 16 slightly is less than the width of spout 14. The top of the connecting rod 16 extends to the inside of the through groove 2 and is rotatably connected with a rotating plate 15, the rotating plate 15 is circular, the radius of the rotating plate 15 is larger than the width of the sliding groove 14, and a gap is reserved between the bottom of the rotating plate 15 and the bottom of the through groove 2. The top of the rotating plate 15 is provided with a rotating shaft 3, the top of the rotating plate 15 is fixedly connected with the middle of the rotating shaft 3, the rotating shaft 3 can rotate in the through groove 2, and a gap is formed between the top of the rotating shaft 3 and the top of the through groove 2.

Referring to fig. 2, two grooves 4 are symmetrically formed in the rotating shaft 3 along the length direction, the two grooves 4 are separated by a fixing plate, a group of sliding assemblies is arranged in each groove 4 and comprises a screw rod 5 which is rotationally connected with two end faces of each groove 4, a driven bevel gear 6 is arranged on one side of each screw rod 5 close to the inner end face of each groove 4, a box body 18 is fixedly arranged on one side of each rotating shaft 3, the box body 18 is fixedly arranged in the middle of the rotating shaft 3, two motors 7 are symmetrically and fixedly connected with the bottom in the box body 18, the output end of each motor 7 penetrates through the side wall of the rotating shaft 3 and is provided with a driving bevel gear 8, and the two driving bevel gears 7 are respectively meshed with the corresponding driven bevel gears 6 to drive the two screw rods 5 to rotate.

The lead screw 5 is provided with a sliding ring 9 in a threaded fit mode, guide blocks 10 are arranged on two sides of the sliding ring 9, guide grooves 11 in sliding fit with the guide blocks 10 are formed in the inner wall of the groove 4, and the lead screw 5 drives the sliding ring 9 to slide back and forth on the lead screw 5 in a rotating mode. The outside fixedly connected with connecting plate 12 of sliding ring 9, connecting plate 12 tip pass the outer end of pivot 3 and fixedly connected with inserted block 13, and the inserted block 13 outside is rotated and is connected with second gyro wheel 26.

When the wheelchair is used, the rear wheels of a common wheelchair are two big wheels, the two rear wheels are pushed to be arranged above the base 1 and are subjected to self-locking of the wheels, the base 1 is positioned between the two rear wheels, the sliding components at the two ends of the rotating shaft 3 extend out, the inserting block 13 extends into the spoke direction of the wheels, the spokes of the wheels are generally narrow in circle center and wide in circumferential direction, and the height of the inserting block 13 is very low, so that the inserting block 13 can be completely inserted between two adjacent spokes, when the inserting block 13 at one side extends into the wheel and collides with the spokes, the second roller 26 rolls towards one side of the spokes, the rotating shaft 3 can rotate, the inserting block 13 at the other side is further driven to be inserted between the two adjacent spokes, and when the inserting block 13 at the other side collides with the spokes, the first roller 17 can be combined to roll in the sliding groove 14 on the basis of the rotation of the rotating shaft 3, so that the inserting block 13 at the other side can be conveniently and quickly inserted into the other wheel, the wheel can not be rotated for the second time, the rotating shaft 3 can be automatically adjusted according to the angle of the wheel, and the wheel does not need to be manually rotated to be adjusted.

Referring to fig. 3, the bottom of the insertion block 13 is provided with a clamping device, the height of the clamping device from the ground is greater than that of a wheel hub of a wheelchair on the market, the clamping device comprises an electric telescopic rod 19 fixed at the bottom of the insertion block 13, two sides of the end part of the electric telescopic rod 19 are fixedly provided with pressing plates 20, one end of each pressing plate 20 is welded with two sides of the electric telescopic rod 19 close to the bottom, the direction of each pressing plate 20 faces obliquely downward, the inner sides of the two pressing plates 20 are vertically and fixedly provided with abutting pieces, each abutting sleeve 20 comprises two abutting sleeves 22 symmetrically and vertically arranged at the inner sides of the two pressing plates 20, each abutting sleeve 22 is internally provided with a telescopic rod 23, the outer side of each telescopic rod 23 is provided with a spring 24, the telescopic rods 23 can ensure that the springs 24 cannot be extruded to other places when the inner sides of the wheel hub are abutted, the bottom of each telescopic rod 23 is movably connected with an arc abutting plate 25, and the abutting plates 25 can rotate within a small range of the vertical direction within a certain angle, the maximum contact area is ensured when the wheel hub is collided with the inner side of the wheel hub, and the wheel can be effectively resisted. The end of the pressing plate 20 is fixedly provided with a butt joint rod 21 along the vertical direction, the butt joint rod 21 abuts against the carriage ground, and the bottom of the butt joint rod 21 is further provided with an anti-skid gasket 29, so that when the wheel is completely fixed, the wheelchair is guaranteed not to shake when the carriage fluctuates.

Referring to fig. 3-4, the outer sides of the electric telescopic rods 19 are all provided with a distance measuring sensor 28, the side wall of the carriage corresponding to the base 1 is provided with a central controller 27, the central controller 27 is internally provided with a processor, the distance measuring sensors 28, the motor 7 and the electric telescopic rods 19 are all wirelessly connected with the central controller 27, the wheelchair is pushed into the carriage and is placed above the base 1, a user presses an opening key of the central controller 27 to start the fixing device, the distance measuring sensor 28 at each side measures the distance between the electric telescopic rods 19 and the wheels at the side and feeds the distance back to the central controller 27, the central controller 27 controls the motor 7 at the side to rotate forwards according to the measured distance, and further drives the telescopic assemblies to extend for the same distance, so that the insert block 13 extends into the space between two adjacent spokes, the insert block 13 stops moving, and the central controller 27 controls the electric telescopic rods 19 to extend downwards, so that the two abutting plates 25 start to abut against the two sides of the hub, the spring 24 starts to contract, and when the abutting rod 21 abuts against the ground, the abutting plates 25 completely abut against the hub. After the destination is reached, the user presses a closing key to close the fixing device, and the electric telescopic rod 19 and the insert block 13 are sequentially retracted to the initial state.

In this example, the length of the base 1 is smaller than the width of most wheelchairs on the market, the height of the abutting rod 21 from the ground in the initial state is larger than the height of the wheel hub of the wheelchairs on the market, and the extending distance of the electric telescopic rod 19 is the same as the distance from the abutting rod 21 to the ground. The longitudinal distance between the abutting plate 25 and the bottom of the abutting rod 21 in the initial state is smaller than the longitudinal distance between the top of the hub and the surface of the tire, so that the wheel can be better fixed.

Referring to fig. 5, a plurality of fixing devices can be uniformly arranged in a carriage, so that more wheelchair users can be accommodated as much as possible, and the wheelchair users can go out conveniently.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.