CN211075935U

CN211075935U - Small wheel vehicle for mountainous region

Info

Publication number: CN211075935U
Application number: CN201921502838.5U
Authority: CN
Inventors: 陈晓旻
Original assignee: Zhejiang Yongfu Vehicle Industry Co ltd
Current assignee: Zhejiang Yongfu Vehicle Industry Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-24
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a dolly for mountain region, including the end support board, the one end bottom of end support board is provided with two preceding pneumatic wheels, and the other end bottom of end support board is provided with two back pneumatic wheels, the other end fixed mounting of end support board has the outer tube, and the inside of outer tube runs through there is the movable rod, be provided with primary shaft between movable rod and the outer tube, and the bottom fixedly connected with fixed axle of movable rod, the top of outer tube is fixed with the spacing piece, and the inside of spacing piece is provided with torsion spring, one side of movable rod is fixed with the spacing piece, the handle push frame is installed at the top of movable rod, preceding pneumatic wheel is last to be fixed with the installation axle, and installs the epaxial coupling mechanism that is provided with of axle. The utility model discloses simple structure utilizes the inflatable wheel to replace traditional universal wheel, has both made things convenient for the use of automobile body, has also realized automobile body moving direction's manual control, and it is little to turn to the angle simultaneously, and the security is high, and the practicality is strong.

Description

Small wheel vehicle for mountainous region

Technical Field

The utility model relates to a small wheel car technical field especially relates to a small wheel car for mountain region.

Background

The cart is a transport vehicle pushed and pulled by manpower, the cart is divided into a single wheel, two wheels, three wheels and four wheels, the cart body of the traditional cart is generally made of wood, and the cart body of the modern cart is generally made of iron sheet.

At present, universal wheels are usually mounted at the bottom of a small wheel vehicle, but in the environment of some special places (such as mountainous regions), the universal wheels are difficult to push in the mountainous regions due to the wheel body structures of the universal wheels, and the using effect is poor, so that the small wheel vehicle for the mountainous regions is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a small wheel vehicle for mountainous regions.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a small wheel vehicle for mountainous regions comprises a bottom supporting plate, wherein two front inflation wheels are arranged at the bottom of one end of the bottom supporting plate, two rear inflation wheels are arranged at the bottom of the other end of the bottom supporting plate, an outer sleeve is fixedly mounted at the other end of the bottom supporting plate, a movable rod penetrates through the inner part of the outer sleeve, a first bearing is arranged between the movable rod and the outer sleeve, a fixed shaft is fixedly connected to the bottom of the movable rod, a limiting piece is fixed to the top of the outer sleeve, a torsion spring is arranged inside the limiting piece, a limiting block is fixed to one side of the movable rod, a handle pushing frame is mounted at the top of the movable rod, a mounting shaft is fixed to the front inflation wheel, a connecting mechanism is arranged on the mounting shaft, a mounting frame is movably mounted on the rear inflation wheel, a direction connecting rod is arranged between the fixed shaft and the mounting shaft, and hinges, the connecting mechanism comprises a movable column and a fixed column, a second bearing is arranged on the installation shaft, a blind hole is formed in the bottom of the fixed column, a third bearing is arranged inside the blind hole, a supporting rod is fixed to the top of the movable column, and an arc-surface head is arranged at the top of the supporting rod.

Preferably, the movable rod passes through first bearing movable mounting on the outer tube, preceding wheel of aerifing passes through second bearing movable mounting on the installation axle, the bracing piece passes through the inside of third bearing movable mounting at the blind hole.

Preferably, the torsion spring is sleeved on the movable rod, and two ends of the direction connecting rod are respectively movably connected with the fixed shaft and the mounting shaft through two hinges.

Preferably, the mounting frame and the fixing column are both mounted at the bottom of the bottom supporting plate through bolts, and the movable column is fixed on the mounting shaft.

Preferably, the cambered surface head contacts with the inner top wall of the blind hole, and the handle pushing frame is of a T-shaped structure.

Preferably, the handle pushes away and has cup jointed the rubber sleeve on the frame, and the surface of rubber sleeve is provided with a plurality of anti-skidding archs.

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

1. the utility model discloses in push away frame, installation axle, coupling mechanism, mounting bracket, direction connecting rod, hinge, activity post, fixed column, second bearing, blind hole, third bearing, bracing piece and cambered surface head through setting up outer tube, movable rod, first bearing, fixed axle, handle to utilize and aerify the wheel and replace traditional universal wheel, both made things convenient for the use of automobile body, also realized the moving direction of manual control automobile body simultaneously, it is more convenient to operate, has satisfied the demand among the in-service use process.

2. The utility model discloses in through setting up locating part, torque spring and stopper, through mutually supporting of locating part and stopper for the movable rod can only rotate at certain within range, provides the security of turning to, and simultaneously, pneumatic wheel resumes to the position when not atress before torque spring can control, and in-service use is effectual.

To sum up, the utility model discloses utilize the inflatable wheel to replace traditional universal wheel, both made things convenient for the use of automobile body, also realized automobile body moving direction's manual control, it is little to turn to the angle simultaneously, and the security is high, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a small wheel vehicle for mountainous regions according to the present invention;

fig. 2 is a top view of a direction link of a small wheel vehicle for mountainous regions according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of the small wheel vehicle for mountainous regions according to the present invention;

fig. 4 is a top view of a locating part of a small wheel vehicle for mountainous regions according to the present invention.

In the figure: the device comprises a bottom supporting plate 1, a front pneumatic wheel 2, a rear pneumatic wheel 3, an outer sleeve 4, a movable rod 5, a first bearing 6, a fixed shaft 7, a limiting part 8, a torsion spring 9, a limiting block 10, a handle pushing frame 11, a mounting shaft 12, a connecting mechanism 13, a mounting frame 14, a connecting rod 15, a hinge 16, a movable column 17, a fixed column 18, a second bearing 19, a blind hole 20, a third bearing 21, a supporting rod 22 and an arc head 23.

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.

Referring to fig. 1-4, a small wheel vehicle for mountainous regions comprises a bottom support plate 1, wherein two front inflation wheels 2 are arranged at the bottom of one end of the bottom support plate 1, two rear inflation wheels 3 are arranged at the bottom of the other end of the bottom support plate 1, an outer sleeve 4 is fixedly arranged at the other end of the bottom support plate 1, a movable rod 5 penetrates through the inner part of the outer sleeve 4, a first bearing 6 is arranged between the movable rod 5 and the outer sleeve 4, a fixed shaft 7 is fixedly connected with the bottom of the movable rod 5, a limiting member 8 is fixedly arranged at the top of the outer sleeve 4, a torsion spring 9 is arranged inside the limiting member 8, a limiting block 10 is fixedly arranged at one side of the movable rod 5, a handle push frame 11 is arranged at the top of the movable rod 5, an installation shaft 12 is fixedly arranged on the front inflation wheel 2, a connecting mechanism 13 is arranged on the installation shaft 12, an installation frame 14 is movably arranged on the rear, both ends of direction connecting rod 15 all are provided with hinge 16, and coupling mechanism 13 is provided with second bearing 19 including activity post 17 and fixed column 18 on the installation axle 12, and blind hole 20 has been seted up to the bottom of fixed column 18, and the inside of blind hole 20 is provided with third bearing 21, and the top of activity post 17 is fixed with bracing piece 22, and the top of bracing piece 22 is provided with cambered surface head 23.

The movable rod 5 is movably mounted on the outer sleeve 4 through the first bearing 6, the front pneumatic wheel 2 is movably mounted on the mounting shaft 12 through the second bearing 19, the support rod 22 is movably mounted in the blind hole 20 through the third bearing 21, the torsion spring 9 is sleeved on the movable rod 5, two ends of the direction connecting rod 15 are respectively movably connected with the fixing shaft 7 and the mounting shaft 12 through two hinges 16, the mounting frame 14 and the fixing column 18 are both mounted at the bottom of the bottom support plate 1 through bolts, the movable column 17 is fixed on the mounting shaft 12, the arc head 23 is in contact with the inner top wall of the blind hole 20, the handle pushing frame 11 is of a T-shaped structure, a rubber sleeve is sleeved on the handle pushing frame 11, and the outer surface of the rubber sleeve is provided with a plurality of.

The working principle is as follows: when the small-wheel vehicle is used, goods to be transported are placed on the bottom supporting plate 1, then the goods are fixed on the bottom supporting plate 1 by using a tool, the handle push frame 11 can be gripped and thrust can be exerted, the front pneumatic wheel 2 and the rear pneumatic wheel 3 can roll under the action of the thrust, so that the whole small-wheel vehicle starts to move, when the advancing direction of the small-wheel vehicle needs to be changed, the handle push frame 11 is directly and manually rotated, because the movable rod 5 is fixedly connected with the handle push frame 11 and the fixed shaft 7 is fixed on the movable rod 5, the fixed shaft 7 can also rotate, and because the two ends of the direction connecting rod 15 are respectively and movably connected with the fixed shaft 7 and the mounting shaft 12 through the two hinges 16, the distance between the fixed shaft 7 and the mounting shaft 12 is fixed, and therefore, when the fixed shaft 7 rotates, the rotating force can be transmitted to the mounting shaft 12 through the direction connecting rod 15, therefore, the two front inflation wheels 2 rotate, the change of the advancing direction of the small wheel vehicle is realized, after the change is finished, people can manually rotate the handle push frame 11 back to the original position, so that the small wheel vehicle continues to move straightly in the direction after the steering is finished, if the handle push frame 11 is inconvenient to manually rotate, in the moving process of the small wheel vehicle, the acting force of the torsion spring 9 can also control the movable rod 5 to slowly recover to the original position, the operation of the whole steering process is simple, the first bearing 6 can reduce the friction force between the movable rod 5 and the outer sleeve 4, the limiting part 8 is matched with the limiting block 10 to limit the rotating angle of the movable rod 5, the movable rod 5 is prevented from over-rotating, the use safety is improved, the mounting frame 14 is used for mounting the rear inflation wheel 3 on the bottom supporting plate 1, the third bearing 21 is used for reducing the friction force between the supporting rod 22 and the inner surface of the blind hole 20, cambered surface head 23 is used for supporting rod 22, and cambered surface design of cambered surface head 23 is used for reducing its and blind hole 20 interior roof between the frictional force, the utility model discloses simple structure utilizes the gassing wheel to replace traditional universal wheel, has both made things convenient for the use of automobile body, has also realized automobile body moving direction's manual control, and it is little to turn to the angle simultaneously, and the security is high, and the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A small wheel vehicle for mountainous regions comprises a bottom supporting plate (1) and is characterized in that two front inflation wheels (2) are arranged at the bottom of one end of the bottom supporting plate (1), two rear inflation wheels (3) are arranged at the bottom of the other end of the bottom supporting plate (1), an outer sleeve (4) is fixedly mounted at the other end of the bottom supporting plate (1), a movable rod (5) penetrates through the inner portion of the outer sleeve (4), a first bearing (6) is arranged between the movable rod (5) and the outer sleeve (4), a fixed shaft (7) is fixedly connected to the bottom of the movable rod (5), a limiting piece (8) is fixed to the top of the outer sleeve (4), a torsion spring (9) is arranged inside the limiting piece (8), a limiting block (10) is fixed to one side of the movable rod (5), a handle pushing frame (11) is mounted at the top of the movable rod (5), the pneumatic tire structure is characterized in that a mounting shaft (12) is fixed on the front pneumatic wheel (2), a connecting mechanism (13) is arranged on the mounting shaft (12), a mounting frame (14) is movably mounted on the rear pneumatic wheel (3), a direction connecting rod (15) is arranged between the fixing shaft (7) and the mounting shaft (12), hinges (16) are arranged at two ends of the direction connecting rod (15), the connecting mechanism (13) comprises a movable column (17) and a fixed column (18), a second bearing (19) is arranged on the mounting shaft (12), a blind hole (20) is formed in the bottom of the fixed column (18), a third bearing (21) is arranged inside the blind hole (20), a support rod (22) is fixed at the top of the movable column (17), and an arc head (23) is arranged at the top of the support rod (22).

2. Small wheel vehicle for mountainous regions according to claim 1, characterized in that the movable rod (5) is movably mounted on the outer sleeve (4) through a first bearing (6), the front inflation wheel (2) is movably mounted on the mounting shaft (12) through a second bearing (19), and the support rod (22) is movably mounted inside the blind hole (20) through a third bearing (21).

3. Small wheel vehicle for mountainous regions as claimed in claim 1, wherein the torsion spring (9) is sleeved on the movable rod (5), and two ends of the direction connecting rod (15) are respectively movably connected with the fixed shaft (7) and the mounting shaft (12) through two hinges (16).

4. Small wheel vehicle for mountainous regions as claimed in claim 1, wherein the mounting frame (14) and the fixed column (18) are mounted at the bottom of the bottom support plate (1) through bolts, and the movable column (17) is fixed on the mounting shaft (12).

5. Small wheel vehicle for mountainous regions as claimed in claim 1, wherein the cambered surface head (23) is in contact with an inner top wall of the blind hole (20), and the handle push frame (11) is of a T-shaped structure.

6. The small wheel vehicle for mountainous regions as claimed in claim 1, wherein a rubber sleeve is sleeved on the handle push frame (11), and a plurality of anti-skid protrusions are arranged on the outer surface of the rubber sleeve.