CN216232298U - Handcart for building site - Google Patents

Abstract

The utility model relates to the technical field of building tools, in particular to a handcart for a building site, which is characterized in that when the handcart encounters an obstacle or a wall body during the forward movement and needs to be steered, only a shaft sleeve needs to slide leftwards or rightwards, the shaft sleeve applies a pulling force to a telescopic rod to extend or shorten the telescopic rod, and meanwhile, the telescopic rod applies a pulling force to a connecting seat to rotate leftwards or rightwards so as to drive wheels to rotate leftwards or rightwards, so that the required accurate forward movement angle of the handcart can be controlled, the handcart is more convenient to transport, and when the handcart is turned at a narrow position, the handcart does not collide with the wall body, so that the damage to the transported object or the abrasion to the handcart body can be avoided, the transported object and the handcart body can be protected, and the service life of the handcart body can be prolonged.

Description

Handcart for building site

Technical Field

The utility model relates to the technical field of building appliances, in particular to a trolley for a building site.

Background

Can use the handcart to carry ceramic tile or cement on the building site at present, nevertheless in the transportation, the accurate angle that we want can not be controlled to common universal wheel, makes the angle of advancing of handcart uncontrollable, leads to inconvenient in the transportation, can collide with the wall body even to lead to the damage of transportation object or the wearing and tearing of automobile body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trolley for a building site, and aims to solve the technical problems that in the prior art, the advancing angle of the trolley cannot be controlled, so that the trolley is inconvenient to transport, and even collides with a wall, so that a transported object is damaged or a trolley body is abraded.

In order to achieve the purpose, the construction site handcart comprises a frame, a handlebar and a steering device.

The handlebar is fixedly connected with the frame and is positioned on one side of the frame.

The steering device comprises wheels, a cross rod, a connecting seat, a shaft rod, a shaft sleeve, a ball and a telescopic rod, wherein the shaft rod is fixedly connected with the frame, and is positioned at one side of the frame far away from the handlebar, the connecting seat is rotationally connected with the shaft lever, and is positioned at one side of the shaft lever far away from the frame, the cross bar is fixedly connected with the connecting seat, and penetrates through the connecting seat, the wheel is rotatably connected with the cross rod and is positioned at one end of the cross rod far away from the connecting seat, the shaft sleeve is connected with the handlebar in a sliding way, and is positioned at one side of the handlebar far away from the frame, the ball is rotationally connected with the shaft sleeve, and is positioned at one side of the shaft sleeve far away from the handlebar, one end of the telescopic rod is rotationally connected with the connecting seat, the other end of the telescopic rod is fixedly connected with the ball, and the telescopic rod is located between the connecting seat and the shaft sleeve.

The steering device further comprises a retainer, wherein the retainer is rotationally connected with the shaft sleeve and is positioned on one side, close to the balls, of the shaft sleeve.

The steering device further comprises an anti-collision pad, wherein the anti-collision pad is detachably connected with the frame and is positioned on one side, far away from the wheels, of the frame.

The frame is provided with a clamping groove, the clamping groove is positioned in the frame, and an opening of the clamping groove is positioned on one side of the frame; the handcart for building site still includes the baffle, the baffle with the connection can be dismantled to the frame, and set up in the draw-in groove.

The trolley for the construction site further comprises a support, wherein the support is fixedly connected with the frame and is positioned on one side, close to the handlebar, of the frame.

According to the trolley for the building site, when the trolley encounters an obstacle or a wall body and needs to be steered when moving forwards, only the shaft sleeve needs to slide leftwards or rightwards, the shaft sleeve applies a pulling force to the telescopic rod to enable the telescopic rod to extend or shorten, meanwhile, the telescopic rod applies a pulling force to the connecting seat to enable the connecting seat to rotate leftwards or rightwards, and therefore the wheels are driven to rotate leftwards or rightwards, the required accurate forward angle of the trolley is controlled, the forward angle of the trolley can be controlled, the trolley is convenient to transport, and when the trolley is turned at a narrow position, the trolley does not collide with the wall body, so that damage to a transported object or abrasion to the trolley body is avoided, the transported object and the trolley body are protected, and the service life of the trolley body is prolonged.

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.

Fig. 1 is a schematic view showing the overall construction of the construction site cart according to the present invention.

Fig. 2 is a schematic view of the assembly of the balls, sleeve and cage of the present invention.

Fig. 3 is a schematic structural view of the vehicle frame of the present invention.

In the figure: the device comprises a frame 1, a handlebar 2, a steering device 3, a partition plate 4, a support 5, wheels 31, a cross rod 32, a connecting seat 33, a shaft rod 34, a shaft sleeve 35, balls 36, a telescopic rod 37, a retainer 38, a crash pad 39 and a clamping groove 11.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.

Referring to fig. 1, 2 and 3, the present invention provides a handcart for construction site, which comprises a frame 1, a handlebar 2 and a steering device 3;

the handlebar 2 is fixedly connected with the frame 1 and is positioned on one side of the frame 1.

The steering device 3 comprises a wheel 31, a cross rod 32, a connecting seat 33, a shaft rod 34, a shaft sleeve 35, a ball 36 and a telescopic rod 37, wherein the shaft rod 34 is fixedly connected with the frame 1 and is positioned on one side of the frame 1 far away from the handlebar 2, the connecting seat 33 is rotatably connected with the shaft rod 34 and is positioned on one side of the shaft rod 34 far away from the frame 1, the cross rod 32 is fixedly connected with the connecting seat 33 and penetrates through the connecting seat 33, the wheel 31 is rotatably connected with the cross rod 32 and is positioned on one end of the cross rod 32 far away from the connecting seat 33, the shaft sleeve 35 is slidably connected with the handlebar 2 and is positioned on one side of the handlebar 2 far away from the frame 1, the ball 36 is rotatably connected with the shaft sleeve 35 and is positioned on one side of the shaft sleeve 35 far away from the handlebar 2, one end of the telescopic rod 37 is rotatably connected with the connecting seat 33, the other end of the telescopic rod 37 is fixedly connected with the ball 36, and the telescopic rod 37 is located between the connecting seat 33 and the shaft sleeve 35.

In this embodiment, the number of the wheels 31 is two, the two wheels 31 are respectively located on the left and right sides of the frame 1, the left wheel 31 is away from the left side of the frame 1 by a certain distance and is not directly attached to the left wheel 31, the right wheel 31 is away from the right side of the frame 1 by the same distance as the left wheel 31 and the left side 1 of the frame, so that when steering is performed, there is enough space for the wheels 31 to transversely rotate, thereby realizing adjustment of the angle of the cart, the two wheels 31 are connected by the cross rod 32 through a rotating nut, the connecting seat 33 is arranged in the middle of the cross rod 32, the upper end of the connecting seat 33 is inserted into the shaft rod 34, the connecting seat 33 and the shaft rod 34 rotate through threads, and the upper end of the shaft rod 34 is welded to the frame 1, the shaft sleeve 35 is tightly sleeved on the outer side of the handlebar 2, the left side of the telescopic rod 37 is connected with the connecting seat 33 in an articulated manner, the right side of the telescopic rod 37 is welded with the ball 36, three quarters of the volume of the ball 36 is embedded into the shaft sleeve 35, so that rotation is realized, when a person applies a pushing force to the shaft sleeve 35, the shaft sleeve 35 moves leftwards or rightwards along the direction of the handlebar 2, the ball 36 in the shaft sleeve 35 drives the telescopic rod 37 to move along with the movement of the shaft sleeve 35, the tensile force applied to the telescopic rod 37 by the ball 36 enables the telescopic rod 37 to extend or shorten, meanwhile, the tensile force applied to the connecting seat 33 by the telescopic rod 37 enables the connecting seat to rotate leftwards or rightwards, so that the wheel 31 is driven to rotate leftwards or rightwards, so that a desired accurate angle of forward movement of the handcart is controlled, the forward moving angle of the trolley can be controlled, the trolley is more convenient to transport, and the trolley cannot collide with a wall body when being turned at a narrow position, so that the trolley cannot be damaged or abraded by a trolley body.

Referring to fig. 2, the steering device 3 further includes a retainer 38, and the retainer 38 is rotatably connected to the shaft sleeve 35 and is located on a side of the shaft sleeve 35 close to the balls 36.

In this embodiment, the axle sleeve 35 is provided with a groove therein, round holes are formed at two ends of the groove, steel balls are welded at two ends of the retainer 38, and three quarters of the volume of the steel balls are embedded into the round holes, so that the retainer 38 can not fall off from the axle sleeve 35 when rotating, and has certain stability.

Referring to fig. 1, the steering apparatus 3 further includes a crash pad 39, and the crash pad 39 is detachably connected to the frame 1 and is located on a side of the frame 1 away from the wheel 31.

In this embodiment, frame 1 top has the bar track, the bar track with frame 1 has certain degree of depth, crashproof pad 39 below opening parcel bar track makes crashproof pad 39 is difficult for dropping, when the handcart moves ahead, if collide with wall body etc. crashproof pad 39 can play the shock attenuation effect, protects the object in frame 1 and the handcart reduces the damage.

Referring to fig. 3, the frame 1 has a slot 11, the slot 11 is located in the frame 1, and an opening of the slot 11 is located on one side of the frame 1; the trolley for the construction site further comprises a partition plate 4, wherein the partition plate 4 is detachably connected with the trolley frame 1 and is arranged in the clamping groove 11.

In this embodiment, the clamping groove 11 is fixedly connected in the frame 1 through a nut, the partition plate 4 is inserted into the clamping groove 11 to realize the sliding of the frame 1, when the types of objects to be transported are numerous, the partition plate 4 can be inserted, the interior of the frame 1 can be divided into more than two sections, various materials can be conveniently transported together without being mixed, and the efficiency of transportation work is improved.

Referring to fig. 1, the trolley for construction sites further includes a bracket 5, and the bracket 5 is fixedly connected to the frame 1 and is located on one side of the frame 1 close to the handlebar 2.

In this embodiment, the bracket 5 is fixedly connected to the frame 1 by welding and located behind the frame 1, the length of the bracket 5 is slightly shorter than the distance from the ground when the frame 1 is kept horizontal, and when loading, unloading or other situations requiring the cart to be parked occur, the cart does not need to be manually held all the time, and the cart can be parked by applying downward pressure to the handle 2 to make the bracket 5 contact with the ground.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (5)

1. A trolley for construction sites is characterized by comprising a frame, a handlebar and a steering device;

the handlebar is fixedly connected with the frame and is positioned on one side of the frame;

the steering device comprises wheels, a cross rod, a connecting seat, a shaft rod, a shaft sleeve, a ball and a telescopic rod, wherein the shaft rod is fixedly connected with the frame, and is positioned at one side of the frame far away from the handlebar, the connecting seat is rotationally connected with the shaft lever, and is positioned at one side of the shaft lever far away from the frame, the cross bar is fixedly connected with the connecting seat, and penetrates through the connecting seat, the wheel is rotatably connected with the cross rod and is positioned at one end of the cross rod far away from the connecting seat, the shaft sleeve is connected with the handlebar in a sliding way, and is positioned at one side of the handlebar far away from the frame, the ball is rotationally connected with the shaft sleeve, and is positioned at one side of the shaft sleeve far away from the handlebar, one end of the telescopic rod is rotationally connected with the connecting seat, the other end of the telescopic rod is fixedly connected with the ball, and the telescopic rod is located between the connecting seat and the shaft sleeve.

2. The hand cart for construction site according to claim 1,

the steering device further comprises a retainer, wherein the retainer is rotationally connected with the shaft sleeve and is positioned on one side, close to the balls, of the shaft sleeve.

3. The hand cart for construction site according to claim 1,

the steering device further comprises an anti-collision pad, wherein the anti-collision pad is detachably connected with the frame and is positioned on one side, far away from the wheels, of the frame.

4. The hand cart for construction site according to claim 1,

the frame is provided with a clamping groove, the clamping groove is positioned in the frame, and an opening of the clamping groove is positioned on one side of the frame; the handcart for building site still includes the baffle, the baffle with the connection can be dismantled to the frame, and set up in the draw-in groove.

5. The hand cart for construction site according to claim 1,

the trolley for the construction site further comprises a support, wherein the support is fixedly connected with the frame and is positioned on one side, close to the handlebar, of the frame.

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