CN215043047U

CN215043047U - Handcart with adjustable armrest height

Info

Publication number: CN215043047U
Application number: CN202120662021.5U
Authority: CN
Inventors: 薛忠良
Original assignee: Qingdao Tengsheng Special Purpose Vehicle Co ltd
Current assignee: Qingdao Tengsheng Special Purpose Vehicle Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-07
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a handcart of adjustable handrail height, it includes the frame, be located frame one side top and with frame sliding connection's handrail support, set up the lift cylinder that is used for driving handrail support and reciprocates on the frame, install the wheel on the frame, the piston rod top fixed connection of lift cylinder is in handrail support's bottom, the handrail is located handrail support's end. The utility model discloses a lift cylinder control handrail support goes up and down along the frame to realize the altitude mixture control of the terminal handrail of handrail support, the transportation personnel of the co-altitude of being convenient for are to the use of same dolly.

Description

Handcart with adjustable armrest height

Technical Field

The utility model relates to a shallow technical field, more specifically the saying so, it relates to a handcart of adjustable handrail height.

Background

At present, in the transport vechicle, it is very common to transport the goods through small-size handcart, and general small-size handcart simple structure through set up the car hopper on the frame, and car hopper one side sets up the handrail frame, and handrail frame structure is fixed usually, and its height can not be adjusted, and to the transport personnel of co-altitude, the flexibility is poor, the same handcart of unable convenient use.

Accordingly, further improvements and enhancements are needed in the art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a handcart of adjustable handrail height, it goes up and down along the frame through lift cylinder control handrail support to realize the altitude mixture control of the terminal handrail of handrail support, the transport personnel of the not co-altitude of being convenient for are to the use of same dolly.

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

the utility model provides a handcart of adjustable handrail height, its includes the frame, be located frame one side top and with frame sliding connection's handrail support, set up and be used for driving the lift cylinder that handrail support reciprocated on the frame, install the wheel on the frame, the piston rod top fixed connection of lift cylinder is in handrail support's bottom, and the handrail is located handrail support's end.

Further, the handrail support includes two first stands that set up side by side, sets up the connecting rod that is used for connecting two first stands between two first stands, and the bottom of piston rod top fixed connection connecting rod of lift cylinder corresponds two first stands and is provided with the second stand respectively on the frame, first stand and second stand sliding connection.

Furthermore, a sliding cavity is arranged in the first upright post, and the second upright post is connected in the sliding cavity in a sliding mode.

Furthermore, a first limiting block used for preventing the second upright post from sliding out of the sliding cavity is arranged at the top of the second upright post.

Further, the mounting panel has been cup jointed on the lift cylinder, be provided with on the mounting panel along with the piston rod be synchronous motion's guide post and with the uide bushing that the guide post cooperation was used, the guide post passes the uide bushing and can reciprocate in the uide bushing, the top and the connecting rod fixed connection of guide post, the bottom of guide post is provided with avoids the guide post to wear out the second stopper of uide bushing.

Furthermore, the guide posts and the guide sleeves are arranged in two groups, and the two groups of guide posts and the two groups of guide sleeves are symmetrically arranged on two sides of the lifting cylinder by taking the axis of the lifting cylinder as a symmetry axis.

Furthermore, the second upright post is provided with scale marks for determining the lifting height of the handrail.

Furthermore, the bottom end of the lifting cylinder is connected with a pedal mechanism for controlling the piston rod of the lifting cylinder to extend or retract.

Furthermore, the trolley with the adjustable armrest height further comprises a hopper arranged on the frame and supporting legs arranged at the bottom of the frame, the wheels are rotatably connected to the front end of the frame, and the hopper is located between the wheels and the armrest support.

Further, at least one reinforcing rod for reinforcing the structural strength of the handrail support is arranged between the two first upright columns.

To sum up the utility model discloses compare and have following beneficial effect in prior art:

(1) the lifting cylinder controls the handrail support to lift along the frame, so that the height of the handrail at the tail end of the handrail support is adjusted, and transportation personnel with different heights can use the same trolley conveniently;

(2) through setting up two sets of guide posts and uide bushing to use lift cylinder axis to set up in the both sides of lift cylinder as symmetry axis symmetry, improved the equilibrium and the stability that the connecting rod goes up and down, further guide the verticality of the lift of connecting rod, thereby guarantee overall structure's stability.

(3) According to the height that the handrail goes up and down can be confirmed fast to the scale mark on the second stand, when operating personnel rose the handrail to suitable height, according to the height that the handrail support goes up and down of scale mark record, when next use, can confirm this operating personnel's handrail support height that goes up and down fast, improve the regulation efficiency of handrail support height that goes up and down.

Drawings

FIG. 1 is a schematic view of a first angular configuration of a hand truck with adjustable armrest height according to an embodiment 1;

FIG. 2 is a schematic view of a second angular configuration of the hand truck with adjustable armrest height of the embodiment 1;

FIG. 3 is a schematic view of a second angular configuration of the hand truck with adjustable armrest height of the embodiment 1;

FIG. 4 is a front view of the hand truck with adjustable armrest height of the embodiment 1;

FIG. 5 is a bottom view of the hand truck with adjustable armrest height of the embodiment 1;

FIG. 6 is a sectional view of a part of the structure of the height adjustable armrest for the cart according to embodiment 1;

in the figure: 100. a frame; 110. a second upright post; 111. a first stopper; 120. a chassis; 130. a wheel carrier; 200. a lifting cylinder; 210. a piston rod; 300. a wheel; 410. a first upright post; 411. a sliding cavity; 420. a handrail; 430. a connecting rod; 440. a reinforcing bar; 500. a car hopper; 610. mounting a plate; 620. a guide post; 621. a second limiting block; 630. a guide sleeve; 700. a support leg; 800. connecting columns; 900. a pedal mechanism.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

Detailed description of the preferred embodiment 1

A trolley with adjustable armrest height is shown in fig. 1-6, and comprises a frame 100, an armrest support located above one side of the frame 100 and slidably connected to the frame 100, a lifting cylinder 200 disposed on the frame 100 for driving the armrest support to move up and down, and wheels 300 mounted on the frame 100, wherein the top of a piston rod 210 of the lifting cylinder 200 is fixedly connected to the bottom of the armrest support, and an armrest 420 is located at the end of the armrest support. The lifting cylinder 200 is used for controlling the handrail support to lift along the frame 100, so that the height of the handrail 420 at the tail end of the handrail support is adjusted, and transportation personnel with different heights can conveniently use the same trolley.

It is worth noting that, the elevating system who has the same functional effect with the lift cylinder, all belong to the equal replacement of lift cylinder if electric telescopic handle all belongs to within the protection scope of the utility model.

Further, the armrest support includes two first upright columns 410 disposed in parallel, and a connecting rod 430 disposed between the two first upright columns 410 and used for connecting the two first upright columns 410, the top of the piston rod 210 of the lifting cylinder 200 is fixedly connected to the bottom of the connecting rod 430, the frame 100 is provided with second upright columns 110 corresponding to the two first upright columns 410, and the first upright columns 410 are slidably connected to the second upright columns 110.

Further, a sliding cavity 411 is arranged in the first upright 410, and the second upright 110 is slidably connected in the sliding cavity 411.

Specifically, the diameter of the first column 410 is larger than the diameter of the second column 110, and the first column 410 is sleeved on the second column 110 and moves up and down along the second column 110.

Further, the top of the second upright column 110 is provided with a first limiting block 111 for preventing the second upright column 110 from sliding out of the sliding cavity 411, so as to limit the lifting height of the first upright column 410.

In another preferred embodiment, the sliding cavity is arranged in the second upright column, the first upright column is connected in the sliding cavity in the second upright column in a sliding manner, and the first limiting block is located at the bottom of the first upright column and located in the sliding cavity and used for preventing the first upright column from sliding out of the sliding cavity and limiting the lifting height of the first upright column.

Further, the mounting plate 610 is sleeved on the lifting cylinder 200, a guide post 620 which moves synchronously with the piston rod 210 and a guide sleeve 630 which is matched with the guide post 620 are arranged on the mounting plate 610, the guide post 620 penetrates through the guide sleeve 630 and can move up and down in the guide sleeve 630, the top of the guide post 620 is fixedly connected with the connecting rod 430, and a second limiting block 621 which prevents the guide post 620 from penetrating out of the guide sleeve 630 is arranged at the bottom of the guide post 620.

Specifically, the top of guide post 620 is provided with the external screw thread, and the external screw thread that corresponds guide post 620 on connecting rod 430 is provided with the screw hole, and guide post 620 passes through the external screw thread and the cooperation of screw hole realizes with connecting rod 430's fixed connection.

Further, the guide posts 620 and the guide sleeves 630 are provided with two sets, and the two sets of guide posts 620 and the guide sleeves 630 are symmetrically arranged on two sides of the lifting cylinder 200 by taking the axis of the lifting cylinder 200 as a symmetry axis, so that the lifting balance and stability of the connecting rod 430 are improved, the lifting verticality of the connecting rod 430 is further guided, and the stability of the whole structure is ensured.

Further, the second upright post 110 is provided with scale marks for determining the lifting height of the handrail 420, the lifting height of the handrail 420 can be rapidly determined according to the scale marks on the second upright post 110, when the operator lifts the handrail 420 to a proper height, the lifting height of the handrail support can be recorded according to the scale marks, and when the handrail support is used next time, the lifting height of the handrail support of the operator can be rapidly determined, so that the adjusting efficiency of the lifting height of the handrail support is improved.

Further, the bottom end of the lifting cylinder 200 is connected to a pedal mechanism 900 for controlling the extension or retraction of the piston rod 210 of the lifting cylinder 200, the lifting cylinder 200 is a pedal-type lifting cylinder 200, and the pedal mechanism 900 is a pedal rod connected to the bottom of the lifting cylinder 200.

Further, the trolley with adjustable armrest height further comprises a hopper 500 disposed on the frame 100 and a support leg 700 disposed at the bottom of the frame 100, the wheel 300 is rotatably connected to the front end of the frame 100, and the hopper 500 is located between the wheel 300 and the armrest support.

Specifically, in this embodiment, the hopper 500 is a right-angled trapezoidal hopper 500 with an inclined front end.

Further, at least one reinforcing rod 440 for reinforcing the structural strength of the handle support is disposed between the two first columns 410. Specifically, in this embodiment, one reinforcing rod 440 is provided, and the reinforcing rod 440 is parallel to the connecting rod 430, so that the strength of the connection between the two first vertical columns 410 is improved, the overall structural strength of the armrest support is enhanced, and the service life of the armrest support is prolonged.

Specifically, frame 100 is including setting up in the wheel support 130 of front end, being located the chassis 120 of hopper 500 bottom, and wheel 300 is located wheel support 130 and rotates with wheel support 130 through the pivot to be connected, and chassis 120 comprises a plurality of cross connection's channel-section steel, and it has stronger structural strength and stability, guarantees the life of this handcart of adjustable handrail height. The bottom of the car hopper 500 is fixed on the bottom frame 120, and the connection column 800 is arranged between the inclined plane at the front end of the car hopper 500 and the bottom frame 120 to realize the reinforced connection with the bottom frame 120.

Specifically, the armrest 420 at the end of the armrest support is inclined downwards at an angle of 40-60 degrees, so that the purpose of saving time and labor when the hand cart with the height adjustable armrest is pushed and pulled is achieved. Preferably, the downward inclination angle of the handrail 420 at the end of the handrail support is 45 degrees.

The utility model discloses during the specific use, according to operating personnel's height control lift cylinder 200 piston rod 210 extension height, piston rod 210 drives the handrail support and goes up and down, and when the handrail support goes up and down to suitable height, lift cylinder 200 piston rod 210 state remains unchanged, promotes the terminal handrail 420 of handrail support, promotes this handcart of adjustable handrail height and carries out work.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a handcart of adjustable handrail height which characterized in that: the lifting air cylinder is arranged on the frame and used for driving the handrail support to move up and down, and wheels mounted on the frame.

2. A hand truck as claimed in claim 1, wherein: the handrail support comprises two first stand columns arranged in parallel and a connecting rod arranged between the two first stand columns and used for connecting the two first stand columns, the top of a piston rod of the lifting cylinder is fixedly connected with the bottom of the connecting rod, second stand columns are arranged on the frame corresponding to the two first stand columns respectively, and the first stand columns are connected with the second stand columns in a sliding mode.

3. A hand truck as claimed in claim 2, wherein: a sliding cavity is arranged in the first upright post, and the second upright post is connected in the sliding cavity in a sliding mode.

4. A hand truck as claimed in claim 3, wherein: the top of second stand is provided with and is used for avoiding the first stopper outside the second stand roll-off slip cavity.

5. A hand truck as claimed in claim 2, wherein: the mounting panel has been cup jointed on the lift cylinder, be provided with on the mounting panel along with the piston rod be synchronous motion's guide post and with the uide bushing that the guide post cooperation was used, the guide post passes the uide bushing and can reciprocate in the uide bushing, the top and the connecting rod fixed connection of guide post, the bottom of guide post is provided with avoids the guide post to wear out the second stopper of uide bushing.

6. A trolley with adjustable armrest height according to claim 5, wherein: the guide posts and the guide sleeves are arranged in two groups, and the two groups of guide posts and the two groups of guide sleeves are symmetrically arranged on two sides of the lifting cylinder by taking the axis of the lifting cylinder as a symmetry axis.

7. A trolley with adjustable armrest height according to claim 5, wherein: and the second upright post is provided with scale marks for determining the lifting height of the handrail.

8. A hand truck as claimed in claim 1, wherein: the bottom end of the lifting cylinder is connected with a pedal mechanism for controlling the piston rod of the lifting cylinder to extend out or retract.

9. A hand truck as claimed in claim 1, wherein: the bicycle is characterized by further comprising a hopper arranged on the frame and supporting legs arranged at the bottom of the frame, the wheels are rotatably connected to the front end of the frame, and the hopper is located between the wheels and the handrail support.

10. A hand truck as claimed in claim 2, wherein: at least one reinforcing rod used for reinforcing the structural strength of the handrail support is arranged between the two first upright columns.