CN210521240U

CN210521240U - Inclination adjustable locomotive and wheelchair thereof

Info

Publication number: CN210521240U
Application number: CN201921175836.XU
Authority: CN
Inventors: 叶志锋
Original assignee: Guangdong Shunde Yitu Sporting Technology Co ltd
Current assignee: Guangdong Shunde Yitu Sporting Technology Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-15
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to a locomotive, including the wheelchair of above-mentioned locomotive, wherein, a locomotive, which comprises a vehicle rack, the bottom and the wheel rotation of frame are connected, the top and the handle of frame are connected, the locomotive is still including installing the adjustment mechanism of frame, through adjustment mechanism, the inclination of frame is adjustable. The utility model discloses in, through adjusting the structure, the operator can adjust the gradient of locomotive, and the operator can adjust the distance between saddle and the ground simultaneously to make the operator can be according to the size of oneself or use new habit adjustment locomotive or saddle. Further, through adjusting the structure, the operator can adjust locomotive and saddle in step.

Description

Inclination adjustable locomotive and wheelchair thereof

Technical Field

The utility model relates to a wheelchair technical field especially relates to a locomotive, including the wheelchair of above-mentioned locomotive.

Background

In daily life, the wheelchair is used as a convenient auxiliary vehicle by the majority of the old people.

At present, the main locomotive of wheelchair and saddle are constituteed, and wherein, locomotive and locomotive wheel are connected, and the saddle is connected with the saddle rear wheel, however, because locomotive and saddle are fixed connection, the unable regulation of gradient of consequently locomotive, under this condition, the consumer just can't adjust the gradient of oneself locomotive according to the use custom of oneself, size, and then the consumer can not conveniently, comfortably drive this kind of wheelchair that can't adjust the locomotive.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vehicle head in a first aspect, which aims at solving one of the problems;

a second aspect of the present invention provides a wheelchair, which aims to solve one of the above problems;

the utility model discloses in the first aspect, a locomotive, which comprises a vehicle rack, the bottom and the wheel rotation of frame are connected, the top and the handle of frame are connected, the locomotive is still including installing the adjustment mechanism of frame, through adjustment mechanism, the inclination of frame is adjustable.

Preferably, the adjusting mechanism comprises a housing, a first adjusting block, an eccentric wheel, a second adjusting block and a first rotating rod;

the first adjusting block is fixed on the shell;

the first rotating rod is fixed on the shell;

the second adjusting block is arranged below the first adjusting block and is rotationally connected with the first rotating rod;

the eccentric wheel is abutted against the bottom of the second adjusting block and is rotatably connected with the shell.

Preferably, the bottom of the first adjusting block is provided with a first meshing tooth structure, and the top of the second adjusting block is provided with a second meshing tooth structure;

through the occlusion of the first occlusion tooth structure and the second occlusion tooth structure, the first occlusion tooth structure and the second adjusting block are in occlusion connection with the first adjusting block.

Preferably, the first meshing tooth structure and the second meshing tooth structure are provided with meshing teeth, and the tooth socket opening direction of the meshing teeth on the first meshing tooth structure is opposite to the tooth socket opening direction of the meshing teeth on the second meshing tooth structure.

Preferably, the housing is wedge-shaped.

Preferably, the adjusting mechanism further comprises an operating rod and a second rotating rod, one end of the second rotating rod is connected with the eccentric wheel, and the other end of the second rotating rod is connected with the operating rod;

through the second rotating rod, the operating rod can drive the eccentric wheel to rotate around the second rotating rod eccentrically.

Preferably, the locomotive also comprises a connecting rod, one end of the connecting rod is connected with the adjusting mechanism, and the other end of the connecting rod is connected with the saddle.

In a second aspect of the present invention, a wheelchair comprises a seat and a head as in the first aspect of the present invention.

Preferably, the wheelchair includes a connecting rod through which the head is connected to the seat, and the seat includes a second fixing member bolted to the connecting rod, and a depth of insertion of the connecting rod into the second fixing member is adjustable by adjusting tightness of the second fixing member.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through adjusting the structure, the operator can adjust the gradient of locomotive, and the operator can adjust the distance between saddle and the ground simultaneously to make the operator can be according to the size of oneself or use new habit adjustment locomotive or saddle. On the other hand, the utility model discloses an it is exquisite to adjust the structure of structure, can let the operator adjust locomotive or saddle with physical power still less, the old person of being convenient for especially, sick person adjust locomotive or saddle. Further, because the utility model discloses a saddle is connected for the dismantlement formula with the locomotive, so the operator can conveniently be connected the saddle with the locomotive of different specifications. In the prior art, since the head is fixed to the seat, the angle of the head cannot be adjusted, so that an operator needs to purchase a wheelchair that meets his or her own body type or use habit, and it is inconvenient for users of different body types to use the same wheelchair. Further, because the vehicle head is connected with the vehicle seat through the connecting rod, when the inclination of the vehicle head changes, the height of the front end of the vehicle seat also changes, and thus an operator can synchronously adjust the vehicle head and the vehicle seat.

Drawings

Fig. 1 is a schematic structural view of a vehicle head of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of the wheelchair of the present invention;

fig. 4 is a schematic structural view of the saddle of the present invention.

Wherein the reference numerals are:

the bicycle comprises a bicycle head 2, a bicycle frame 21, bicycle head wheels 22, a first fixing piece 23, a handle 24, an adjusting mechanism 25, an operating rod 251, a first adjusting block 252, a first meshing tooth structure 2521, a rotating rod 253, a second adjusting block 254, a second meshing tooth structure 2541, an eccentric wheel 255, a shell 256, a connecting block 257, a connecting bolt 258, a connecting rod 26, a bicycle seat 3, a vertical rod 31, a second fixing piece 32, a bicycle seat front wheel 33 and a bicycle seat rear wheel 34.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, a vehicle head 2 includes a vehicle frame 21, the bottom of the vehicle frame 21 is rotatably connected to wheels, the top of the vehicle frame 21 is connected to a handle 24, the vehicle head 2 further includes a first fixing member 23 fixed to the vehicle frame 21 and an adjusting mechanism 25 screwed to the first fixing member 23 through a connecting bolt 258, the adjusting mechanism is mounted on the vehicle frame 21 through the first fixing member 23, and an inclination angle of the vehicle frame 21 is adjustable through the adjusting mechanism 25.

In some embodiments, as shown in FIG. 2, adjustment mechanism 25 includes a housing 256, a first adjustment block 252, a second adjustment block 254, an eccentric 255, and a lever 251, wherein one end of first adjustment block 252 is coupled to housing 256 via a pivot rod 253 and first adjustment block 252 is rotatable about pivot rod 253. The second adjusting block 254 is fixed on the housing 256 and the second adjusting block 254 is disposed above the first adjusting block 252, further, an edge of the eccentric wheel 255 is lower than an edge of the first adjusting block 252, and an eccentric point of the eccentric wheel 255 is rotatably connected with the operating rod 251, so that the operating rod 251 can drive the eccentric wheel 255 to eccentrically rotate around the eccentric point.

In some embodiments, the first adjustment block 252 has a triangular prism shape, wherein a prism surface abuts against the eccentric 255, a first engagement tooth structure 2521 including a plurality of engagement teeth is disposed on the prism surface, and correspondingly, a second engagement tooth structure 2541 including a plurality of engagement teeth is disposed at a lower end of the second adjustment block 254, wherein the second engagement tooth structure 2541 is capable of engaging with the first engagement tooth structure 2521.

In some embodiments, as shown in fig. 1 and 2, the vehicle head 2 further includes a connecting rod 26, one end of the connecting rod 26 is screwed to a connecting block 257 at the bottom of the housing 256, and the other end is connected to the vehicle seat 3.

In some embodiments, as shown in fig. 3, the vehicle head 2 is connected with the vehicle seat 3. Further, as shown in fig. 4, the seat 3 includes a seat frame including a vertical rod 31, the vertical rod 31 is fixed with a second fixing member 32, and the connecting rod 26 is connected to the frame 21 by inserting one end of the connecting rod 26 into the second fixing member 32.

In some embodiments, the second fixing member 32 is bolted to the frame 21 with a degree of tightness of the bolting, the second fixing member 32 can move up and down on the frame 21, and the depth of the insertion of the connecting rod 26 into the second fixing member 32 can be adjusted by adjusting the tightness of the bolting of the second fixing member 32.

In some embodiments, the seat frame is also drivingly connected to the seat rear wheel 34.

In some embodiments, a seat frame has a seat front wheel 33 mounted thereon, and the seat front wheel 33 includes a folding bracket and a roller.

And, the utility model also discloses a locomotive adjusting method, it includes the step:

step 1: pulling lever 251 upward to disengage first adjustment block 252 from second adjustment block 254;

step 2: when the reclining angle of seat 3 is adjusted to a proper position, lever 251 is pulled downward until first adjustment block 252 and second adjustment block 254 are reengaged.

The beneficial effects of the present invention will be described in conjunction with the principles and structures of the present invention.

In this embodiment, since the operating rod 251 is connected to the eccentric wheel 255, when the operator rotates the operating rod 251 counterclockwise around the eccentric point, the distance between the eccentric point of the eccentric wheel 255 and the contact point of the eccentric wheel 255 and the first adjusting block 252 is increased, and the first adjusting block 252 moves upward relative to the eccentric point, so that the first engaging tooth structure 2521 of the first adjusting block 252 engages with the second engaging tooth structure 2541 by the engagement between the engaging teeth, and further, since the engaging teeth of the first engaging tooth structure 2521 engage with the engaging teeth of the second engaging tooth structure 2541 and the first adjusting block 252 is pushed up by the eccentric wheel 255, the second adjusting block 254 is restricted by the first adjusting block 252 from moving left and right and up and down, and the seat 3 maintains a fixed angle relative to the ground.

On the other hand, when the operator rotates the operating rod 251 clockwise around the eccentric point, the distance between the eccentric point of the eccentric wheel 255 and the contact point of the eccentric wheel 255 and the first adjusting block 252 is reduced, the first adjusting block 252 moves downwards relative to the eccentric point, and the first adjusting block 252 is disengaged from the second adjusting block 254, at this time, the operator can adjust the inclination angle of the headstock 2, further adjust the height of the handle 24 from the ground and the distance between the handle 24 and the saddle 3, and finally, after the operator adjusts the height, the operator rotates the operating rod 251 counterclockwise around the eccentric point to fix the headstock 2 again, so that the operator can adjust the inclination of the headstock 2 according to the body type or the use habit, or adjust the height of the handle and the distance between the handle and the seat on the saddle 3.

Since the connecting rod 26 is screwed to the housing 256 through the connecting block 257, the operator can rotate the connecting rod 26 with the screw point as a center point by hand or by a tool, so that the tilting direction of the connecting rod 26 corresponds to the tilting direction of the head 2. Further, since the first fixing member 23 can move up and down on the vehicle frame 21, the operator can also adjust the position of the connecting rod 26 fixed on the vehicle frame 21 by adjusting the position of the first fixing member 23 on the vehicle frame 21, for example, the operator moves the first fixing member 23 downward and tilts the connecting rod 26 downward. On the other hand, since the second fixing member 32 is bolted to the vehicle body frame 21 and the second fixing member 32 can be moved up and down on the vehicle body frame 21 by the degree of tightness of the bolting, the operator can adjust the height of the seat frame front end from the ground by adjusting the height of the second fixing member 32. Synthesize above-mentioned two points in the utility model discloses an in the use, the operator can adjust the position relation between saddle 3, the locomotive 2 through first mounting 23 and second mounting 32, consequently, has further improved the utility model discloses an applicability, use the flexibility.

Because install saddle front wheel 33 on the seat frame, and saddle front wheel 33 includes folding support and gyro wheel, so, when the front end of seat frame was increaseed, folding support extends thereupon so that the gyro wheel offsets with ground, and then the holding power that provides for montant 3 through the gyro wheel to make conveniently adjust the width between locomotive 2 and the saddle 3 or make the height that the operator can conveniently adjust the seat frame at the operator. On the other hand, after the user has adjusted the width of adjusting between locomotive 2 and the saddle 3 or has made the operator can conveniently adjust the height of seat frame, can fold saddle front wheel 33, and then make the gyro wheel break away from ground, so, the gyro wheel just does not hinder the utility model discloses the normal travel of wheelchair.

Since the seat 3 is connected to the head 2 by the connecting rod 26 in front, when the operator does not need to use the head 2, the head 2 can be separated from the seat by the connecting rod 26, and the operator can use the seat 3 alone. Further, when the operator uses the seat 3 alone, the seat front wheel 33 can be unfolded so that the seat front wheel 33 abuts against the ground.

Because the elasticity through adjustment second mounting 32, the degree of depth that adjustable connecting rod 26 inserted second mounting 32, and then the operator can insert the degree of depth of second mounting 32 through adjusting whole connecting rod 26, adjusts the width between saddle 3 and the locomotive 2, so, has just further improved the utility model discloses an adjust the flexibility.

Particularly, the headstock 2 is an electric headstock provided with a driving device, and the electric headstock is provided with a power control device, and then the electric headstock can fall backwards and go forwards under the driving of the driving device, when an operator needs to adjust the angle of the headstock, the operator can adjust the inclination angle of the headstock 2 through the driving device, namely when the operator needs to reduce the inclination between the headstock 2 and the ground, the operator firstly rotates the operating rod 251 clockwise to enable the first engagement tooth structure 2521 and the second engagement tooth structure 2541 to be disengaged, and then the operator enables the driving headstock wheel 22 to roll backwards through the power control device, at this time, the headstock 2 is gradually reduced by the inclination angle between the ground, and then the operator can fix the headstock 2 again by rotating the operating rod 251 anticlockwise downwards. Therefore, the operator does not need to manually adjust the inclination of the vehicle head 2, and the operator can conveniently and quickly adjust the inclination of the vehicle head 2. Further, when the operator drives the vehicle head 2 to roll backwards through the power control device, the vehicle head 2 is connected with the vehicle seat 3 through the connecting rod, so that when the inclination of the vehicle head 2 is reduced, the vehicle head 2 drives the vehicle seat 3 to ascend, and therefore the operator can adjust the height of the vehicle seat 3 more conveniently and rapidly by adjusting the inclination of the vehicle head 2.

In particular, the seat 3 is provided with a braking device, and an operator can fix the seat 3 in the process of adjusting the inclination angle of the head 2 through the braking device, so that the operator can conveniently drive the front end of the seat 3 to lift upwards through the head 2.

In particular, when the user needs to increase the inclination between the head 2 and the ground, the operator may rotate the operating rod 251 clockwise to disengage the first engaging tooth structure 2521 and the second engaging tooth structure 2541, so that the operator can drive the head wheel 22 to roll forward through the power control device, and at this time, the inclination between the head 2 and the ground is gradually increased, so that the operator may rotate the operating rod 251 counterclockwise and downward to fix the head 2 again. Therefore, the operator does not need to manually adjust the inclination of the vehicle head 2, and the operator can conveniently and quickly adjust the inclination of the vehicle head 2.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an inclination adjustable locomotive (2), includes frame (21), the bottom and the wheel of frame (21) are rotated and are connected, the top and the handle (24) of frame (21) are connected its characterized in that: the vehicle head (2) further comprises an adjusting mechanism (25) arranged on the vehicle frame (21), and the inclination angle of the vehicle frame (21) can be adjusted through the adjusting mechanism (25).

2. The vehicle head (2) according to claim 1, characterized in that: the adjusting mechanism (25) comprises a shell (256), a first adjusting block (252), an eccentric wheel (255), a second adjusting block (254) and a first rotating rod (253);

the first adjusting block (252) is fixed on the shell (256);

the first rotating rod (253) is fixed on the shell (256);

the second adjusting block (254) is arranged below the first adjusting block (252) and is in rotary connection with the first rotary rod (253);

the eccentric wheel (255) is abutted against the bottom of the second adjusting block (254) and is rotatably connected with the shell (256).

3. The vehicle head (2) according to claim 2, characterized in that: a first meshing tooth structure (2521) is arranged at the bottom of the first adjusting block (252), and a second meshing tooth structure (2541) is arranged at the top of the second adjusting block (254);

through the occlusion of the first occlusion tooth structure (2521) and the second occlusion tooth structure (2541), the first occlusion tooth structure (2521) and the second adjusting block (254) are in occlusion connection with the first adjusting block (252).

4. A vehicle head (2) as claimed in claim 3, characterized in that: the first meshing tooth structure (2521) and the second meshing tooth structure (2541) are provided with meshing teeth, and the tooth socket opening direction of the meshing teeth on the first meshing tooth structure (2521) is opposite to the tooth socket opening direction of the meshing teeth on the second meshing tooth structure (2541).

5. Vehicle head (2) according to any of claims 2-4, characterized in that: the housing (256) is wedge-shaped.

6. The vehicle head (2) according to claim 2, characterized in that: the adjusting mechanism (25) further comprises an operating rod (251) and a second rotating rod (253), one end of the second rotating rod (253) is connected with the eccentric wheel (255), and the other end of the second rotating rod (253) is connected with the operating rod (251);

through the second rotating rod (253), the operating rod (251) can drive the eccentric wheel (255) to rotate eccentrically around the second rotating rod (253).

7. The vehicle head (2) according to claim 1, characterized in that: the vehicle head (2) further comprises a connecting rod (26), one end of the connecting rod (26) is connected with the adjusting mechanism (25), and the other end of the connecting rod is connected with the vehicle seat (3).

8. A wheelchair, characterized by: the wheelchair comprises a vehicle seat (3) and a vehicle head (2) as claimed in claims 1-7.

9. The wheelchair of claim 8 wherein: the wheelchair comprises a connecting rod (26), and the head (2) is connected with the seat (3) through the connecting rod (26);

and the saddle (3) comprises a second fixing piece (32), the second fixing piece (32) is bolted with the connecting rod (26), and the depth of the connecting rod (26) inserted into the second fixing piece (32) can be adjusted by adjusting the tightness of the second fixing piece (32).