CN214607610U

CN214607610U - Handcart convenient to cat ladder

Info

Publication number: CN214607610U
Application number: CN202120741779.8U
Authority: CN
Inventors: 王宇
Original assignee: Guangzhou Railway Polytechnic
Current assignee: Guangzhou Railway Polytechnic
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-05
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a trolley convenient for climbing a ladder, which comprises a trolley body, wherein fixed seats are respectively and fixedly arranged at the two sides of the front end and the rear end of the trolley body, four fixed seats are respectively provided with a turnover seat which can be turned over up and down and positioned, and each fixed seat and the corresponding turnover seat are respectively provided with a ladder wheel; each ladder climbing wheel comprises a wheel frame and three wheels, the wheel frame is rotatably connected with the corresponding fixed seat and the corresponding overturning seat through a large rotating shaft, and the three wheels are distributed on the wheel frame in a triangular mode and are respectively rotatably connected with the wheel frame through small rotating shafts. The utility model has the advantages that the handcart ladder is completed through the tricycle type wheel frame, and the side baffle and the baffle on the push rod are arranged to effectively prevent goods from falling down in the process of going up and down stairs; meanwhile, the buffer layer can effectively reduce the bumping influence caused by wheel changing of the wheel carrier during going upstairs and downstairs, and the buffer layer has the advantages of simple structure, lower cost and wide application range.

Description

Handcart convenient to cat ladder

Technical Field

The utility model relates to a commodity circulation shallow technical field, concretely relates to handcart convenient to cat ladder.

Background

Logistics is a process of organically combining functions such as transportation, storage, loading, unloading and carrying, packaging, circulation processing, distribution, information processing and the like to realize user requirements according to actual needs in the process of physically flowing articles from a supply place to a receiving place, and promotes the synchronization of production and market by taking warehousing as a center. In logistics transportation, the trolley is a common transportation tool, large goods or goods which are not easy to move by a single person are transported, and the trolley is difficult to use when encountering high-rise stairs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a handcart convenient to cat ladder is provided, aim at solving above-mentioned technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a handcart convenient to cat ladder, includes the automobile body, the both sides of automobile body front end and rear end respectively fixed mounting have a fixing base, four can overturn from top to bottom respectively on the fixing base and the upset seat of installing of location, every the fixing base with correspond all install the cat ladder wheel on the upset seat, every the cat ladder wheel all includes wheel frame and three wheel, the wheel frame through big pivot with correspond the fixing base with the upset seat rotates to be connected, it is three the wheel be triangular distribution in on the wheel frame, it respectively through little pivot with the wheel frame rotates to be connected.

The utility model has the advantages that: when the ladder climbing wheels travel to the steps, the three wheels can rotate along the surfaces of the steps along the large rotating shaft to form a ladder climbing effect, so that the rapid ladder climbing is realized, and the use is convenient; in addition, every climbs the stair respectively with the automobile body can dismantle the connection, makes things convenient for the dismouting, labour saving and time saving. The beneficial effects of the utility model are that accomplish the handcart cat ladder through tricycle formula wheel frame, simple structure, the cost is lower, and application scope is wide.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the three wheels are distributed in an equilateral triangle.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, three wheel when realizing the cat ladder along the rotatory cat ladder effect that forms of big pivot in step surface, convenient to use.

Furthermore, the wheel frame comprises two triangular plate bodies which are coaxially distributed at intervals and connected through three small rotating shafts, the three wheels are respectively sleeved on the three small rotating shafts in a coaxial rotating mode, and the centers of the two triangular plate bodies are rotatably connected with the corresponding fixed seat and the corresponding overturning seat through the large rotating shaft.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, three wheel of easy to assemble.

Further, a buffer layer is paved on the upper surface of the vehicle body.

The beneficial effect who adopts above-mentioned further scheme is that the influence of jolting that causes when cat ladder takes turns to the wheel can effectively be alleviateed in going up and down the stair to the setting of buffer layer, and the stability preferred of cat ladder, the cat ladder is convenient.

Further, the buffer layer is of a honeycomb structure.

The beneficial effects of adopting above-mentioned further scheme are simple structure, and the buffering effect preferred, the cat ladder is convenient.

Further, a push rod is fixedly installed at the rear end of the vehicle body.

Adopt above-mentioned further scheme's beneficial effect to be through the convenient manual work of push rod pushing away shallow walking and cat ladder, labour saving and time saving.

Furthermore, a baffle is fixedly arranged on the edge of the vehicle body and/or the push rod.

Adopt above-mentioned further scheme's beneficial effect be that the setting of baffle can prevent effectively that the goods from overturning and dropping in the slope in-process of going up and down stairs, guarantees the stability of goods.

Further, the upper end of the push rod extends to one side of the rear end of the vehicle body in an upward inclined mode.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, make things convenient for artifical promotion shallow, labour saving and time saving.

Furthermore, the upper end fixedly connected with of push rod bends the section, it has the grab handle to wrap up on the section of bending.

The push rod has the advantages that the structure is simple, the design is reasonable, the push rod can be operated manually, so that the cart can be pushed conveniently, and time and labor are saved; in addition, the grab handle can increase the comfort level of the hand for holding the bending section.

Furthermore, a plurality of friction strips are arranged on the grab handle at intervals.

Adopt the beneficial effect of above-mentioned further scheme to be through the frictional force of friction strip multiplicable hand and grab handle between, be convenient for promote the shallow.

Drawings

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

FIG. 2 is a schematic structural view of each ladder wheel and the car body of the present invention;

FIG. 3 is a matching view of the middle and large rotating shaft, the fixed seat and the overturning seat of the present invention;

fig. 4 is a schematic structural diagram of the middle buffer layer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the automobile body, 2, wheel frame, 3, wheel, 4, big pivot, 5, little pivot, 6, buffer layer, 7, push rod, 8, baffle, 9, the section of bending, 10, grab handle, 11, fixing base, 12, upset seat, 13, locking screw, 14, limiting plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 4, the utility model provides a trolley convenient for climbing stairs, which comprises a trolley body 1, wherein two sides of the front end and the rear end of the trolley body 1 are respectively and fixedly provided with a fixed seat 11, and the four fixed seats 11 are respectively welded with the trolley body 1; the four fixed seats 11 are respectively provided with a turning seat 12 which can be turned up and down and positioned, and each fixed seat 11 and the corresponding turning seat 12 are respectively provided with a ladder climbing wheel; each ladder climbing wheel comprises a wheel frame 2 and three wheels 3, the wheel frame 2 is rotatably connected with a corresponding fixed seat 11 and a corresponding overturning seat 12 through a large rotating shaft 4, and the three wheels 3 are distributed on the wheel frame 2 in a triangular shape and are respectively rotatably connected with the wheel frame 2 through small rotating shafts 5. When the cat ladder wheel walked to the step, three wheel 3 can form the cat ladder effect along the step surface is rotatory along big pivot 4, and after last wheel 3 walked last step, next wheel 3 just walked to next step, realized quick cat ladder convenient to use promptly. The beneficial effects of the utility model are that accomplish the handcart cat ladder through tricycle formula wheel frame, simple structure, the cost is lower, and application scope is wide.

The one end of above-mentioned every upset seat 12 is passed through the hinge and is rotated with the one end of fixing base 11 and be connected, is equipped with the screw on the other end and the other end of fixing base 11 respectively, when the other end upset of upset seat 12 to the other end laminating with fixing base 11, through locking screw 13 and fixing base 11 and upset seat 12 fixed connection.

In addition, a limiting plate 14 is welded at one end of each large rotating shaft 4, which is close to the vehicle body 1, and a semicircular hole matched with the large rotating shaft 4 is respectively arranged on the fixed seat 11 and the overturning seat 12.

Example 1

On the basis of above-mentioned structure, in this embodiment, three wheel 3 is equilateral triangle and distributes, simple structure, and reasonable in design, three wheel 3 forms the cat ladder effect along the rotation of step surface along big pivot 4 when realizing the cat ladder, convenient to use.

Example 2

On the basis of the structure, in this embodiment, the wheel frame 2 includes two coaxial interval distribution's triangle-shaped plate bodies to connect through three little pivot 5, three wheel 3 coaxial pivoted cover respectively establishes on three little pivot 5, and the center department of two triangle-shaped plate bodies rotates through big pivot 4 and the fixing base 11 and the upset seat 12 that correspond and is connected, simple structure, reasonable in design, three wheel 3 of easy to assemble.

The two ends of the three small rotating shafts 5 are respectively welded with the two triangular plate bodies, the three wheels 3 are positioned between the two triangular plate bodies, and the edges of the three wheels extend out of the edges of the triangular plate bodies.

The two triangular plate bodies are coaxially fixed and sleeved on the large rotating shaft 4.

Example 3

On the basis of above-mentioned structure, in this embodiment, the upper surface flat bed of automobile body 1 has buffer layer 6, and the influence of jolting that causes when cat ladder rotation wheel in the stair of going up and down can effectively be alleviateed in the buffer layer 6's the setting, and the stability preferred of cat ladder, the cat ladder is convenient.

Preferably, in this embodiment, buffer layer 6 is cellular structure, preferred latticed cushion structure, simple structure, and the buffering effect preferred, the cat ladder is convenient.

The welding has a horizontal pole and a stiffening rib on above-mentioned automobile body 1, and horizontal pole and stiffening rib are located between automobile body 1 and buffer layer 6.

Example 4

On the basis of above-mentioned structure, in this embodiment, the rear end fixed mounting of automobile body 1 has push rod 7, and the lower extreme of push rod 7 is in the same place with the rear end welding of automobile body 1, and the shallow walking and the cat ladder are being pushed away to convenient manual work through push rod 7, labour saving and time saving.

Preferably, a stiffening rib is connected to the welding position between the lower end of the push rod 7 and the vehicle body 1, so that the firmness of the push rod 7 is improved.

Example 5

In the fourth embodiment, the baffle 8 is fixedly mounted on the edge of the vehicle body 1 and/or the push rod 7, and the baffle 8 on the push rod 7 extends in a direction from one side to the other side of the rear end of the vehicle body 1 by generally adopting a welding manner. The setting of baffle 8 can prevent effectively that the goods from falling in the slope in-process of going up and down stairs, guarantees the stability of goods.

The vehicle body 1 is preferably of a rectangular plate-shaped structure, and the baffle plates 8 are vertically welded on the peripheral edges of the vehicle body 1, so that the whole vehicle body 1 forms a rectangular frame structure with an open upper side and a closed lower side;

the flaps 8 on the edge of the body 1 can be present alternatively to, and simultaneously with, the flaps 8 on the push rods 7, the latter being preferred.

The push rod 7 can be rod-shaped, and the baffle plate 8 extends from the push rod 7 to two sides of the vehicle body 1; the push rod 7 can also be in a door-shaped structure, namely two sides of the push rod 7 are close to two sides of the vehicle body 1, and two sides of the baffle plate 8 extend towards the middle of the vehicle body 1.

Example 6

On the basis of embodiment four, in this embodiment, the upper end tilt up of push rod 7 extends to one side of automobile body 1 rear end, simple structure, and reasonable in design makes things convenient for the manual work to promote the shallow, labour saving and time saving.

Example 7

On the basis of the sixth embodiment, in the present embodiment, the upper end of the push rod 7 is fixedly connected with the bending section 9, and the bending section 9 and the push rod 7 are integrally formed, so that the structure is simple; the bending

sections

9 and 10 are wrapped by handles 10, for example, the handles 10 are mounted by glue. The structure is simple, the design is reasonable, the push rod 7 can be operated manually more conveniently, so that the cart can be pushed, and time and labor are saved; in addition, the handle 10 can increase the comfort level of the hand for holding the bending section 9.

Preferably, in this embodiment, the handle 10 may be made of rubber, or may be made of plastic.

Example 8

On the basis of the seventh embodiment, in the present embodiment, the handle 10 is provided with a plurality of friction strips at intervals, the plurality of friction strips are all integrally formed with the handle 10, and the friction force between the hand and the handle 10 can be increased by the friction strips, so as to facilitate pushing the cart.

The working principle of the utility model is as follows:

whether going upstairs or downstairs, one end of the cart body 1 connected with the push rod 7 (namely the rear end of the cart body 1) is at the lower end in the process of going upstairs and downstairs so as to ensure that the baffle 8 on the push rod 7 can effectively form support and ensure that the strength of a user can resist the weight of the cart, and the cart is prevented from automatically sliding down due to the out-of-control weight of goods;

when the ladder climbing wheel travels to the step, the three wheels 3 rotate along the surface of the step along the large rotating shaft 4 to form a ladder climbing effect, and a user is required to press or push the push rod 7 forcibly.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a handcart convenient to cat ladder which characterized in that: the ladder comprises a vehicle body (1), wherein fixed seats (11) are fixedly arranged on two sides of the front end and the rear end of the vehicle body (1) respectively, turning seats (12) are arranged on the four fixed seats (11) in a vertically-turnable and positioning manner respectively, and ladder climbing wheels are arranged on each fixed seat (11) and the corresponding turning seat (12); each ladder climbing wheel comprises a wheel frame (2) and three wheels (3), the wheel frame (2) is rotatably connected with the corresponding fixed seat (11) and the corresponding overturning seat (12) through a large rotating shaft (4), the three wheels (3) are distributed on the wheel frame (2) in a triangular shape, and the three wheels are respectively rotatably connected with the wheel frame (2) through small rotating shafts (5).

2. A trolley as claimed in claim 1, which is conveniently climbed by a ladder, wherein: the three wheels (3) are distributed in an equilateral triangle.

3. A trolley as claimed in claim 1, which is conveniently climbed by a ladder, wherein: the wheel frame (2) comprises two triangular plate bodies which are coaxially distributed at intervals and connected through three small rotating shafts (5), three wheels (3) are respectively sleeved on the three small rotating shafts (5) in a coaxial rotating mode, and the centers of the two triangular plate bodies are rotatably connected with the corresponding fixed seat (11) and the corresponding overturning seat (12) through the large rotating shaft (4).

4. A trolley convenient for climbing a ladder as claimed in any one of claims 1 to 3, wherein: a buffer layer (6) is paved on the upper surface of the vehicle body (1).

5. A trolley as claimed in claim 4, which is conveniently climbed by a ladder, wherein: the buffer layer (6) is of a honeycomb structure.

6. A trolley convenient for climbing a ladder as claimed in any one of claims 1 to 3, wherein: and a push rod (7) is fixedly installed at the rear end of the vehicle body (1).

7. A trolley as claimed in claim 6, which is conveniently climbed by a ladder, wherein: and a baffle (8) is fixedly arranged on the edge of the vehicle body (1) and/or the push rod (7).

8. A trolley as claimed in claim 6, which is conveniently climbed by a ladder, wherein: the upper end of the push rod (7) is inclined upwards and extends to one side of the rear end of the vehicle body (1).

9. A trolley as claimed in claim 8, which is conveniently climbed by a ladder, wherein: the upper end of the push rod (7) is fixedly connected with a bending section (9), and a grab handle (10) is wrapped on the bending section.

10. A trolley as claimed in claim 9, which is conveniently ladder-climbed, wherein: the grab handle (10) is provided with a plurality of friction strips at intervals.