CN209852345U

CN209852345U - Flat-plate cart

Info

Publication number: CN209852345U
Application number: CN201920687195.XU
Authority: CN
Inventors: 倪国庆
Original assignee: Beijing Wantong Xingye Kitchen Equipment Co Ltd
Current assignee: Beijing Wantong Xingye Kitchen Equipment Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2019-12-27
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a flat-plate cart, which relates to the technical field of kitchen equipment and comprises a bottom plate, wherein a handrail is fixed at the rear end of the bottom plate, a roller is arranged below the rear end of the bottom plate, and two universal wheels are fixed below the front end of the bottom plate; and a brake device which is used for braking the roller and can keep the roller in a braking state is also arranged at the rear end of the bottom plate. The utility model discloses have the effect that can brake.

Description

Flat-plate cart

Technical Field

The utility model belongs to the technical field of the technique of kitchen equipment and specifically relates to a flat-plate trolley is related to.

Background

The flat-plate cart has the advantages of simple structure, low production cost, convenient use and the like, and is a very convenient small-sized transportation tool. In the prior art, when the flat-bed cart is converted from a traveling state to a parking state, a person usually applies force backwards to decelerate and brake the flat-bed cart, but the force for applying force backwards is not easy to control, and the transported goods are easy to generate large forward acceleration; when transporting some heavier goods simultaneously, because inertia is great, operating personnel can be more hard, is difficult to stop the flat-bed shallow fast.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flat-plate trolley, it has the effect that can brake.

The above object of the present invention can be achieved by the following technical solutions:

a flat-plate cart comprises a bottom plate, wherein a handrail is fixed at the rear end of the bottom plate, a roller is arranged below the rear end of the bottom plate, and two universal wheels are fixed below the front end of the bottom plate; and a brake device which is used for braking the roller and can keep the roller in a braking state is also arranged at the rear end of the bottom plate.

Through adopting above-mentioned technical scheme, replaced the pulling of manpower with brake equipment, the nature controlled when improving the flat-bed cart and slowing down reduces people's intensity of labour simultaneously. The arranged roller is not beneficial to steering, so that only one roller is arranged at the rear end of the bottom plate, and the two universal wheels are arranged at the front end of the bottom plate, so that the steering of the flat-plate trolley is facilitated.

The utility model discloses further set up to: the brake device comprises a swinging piece working by the lever principle, the swinging piece is positioned between the bottom plate and the roller, the two ends of the swinging piece are respectively fixed with a brake shoe and a brake cable, the swinging piece is also connected with an elastic piece, and the other end of the brake cable is connected with a driving piece for pulling the brake cable; when the driving piece drives the swinging piece to rotate through the brake cable, the elastic piece accumulates and drives the swinging piece to rotate and enables the brake lining to be far away from the elastic potential energy of the roller wheel, and the brake lining moves towards the roller wheel and can be pressed on the roller wheel.

Through adopting above-mentioned technical scheme, under the conventional state, brake shoe and gyro wheel separation, the removal that dull and stereotyped shallow can be smooth and easy. When the driving piece is pulled to press the brake shoe on the roller, the brake function is realized, and meanwhile, the elastic piece deforms; when the force applied to the driving piece is cancelled, the swinging piece and the driving piece are reset under the action of the elastic piece, and the flat-bed cart is also restored to the original state. Through the initiative application of force of hand to the driving piece alright make dull and stereotyped shallow deceleration braking, compare in prior art the pulling dull and stereotyped shallow of backward application of force stop, this kind of technical scheme's controllability is better.

The utility model discloses further set up to: the handrail is "T" type, includes standpipe and the violently pipe that is located the standpipe top.

By adopting the technical scheme, the structure of the handrail is simplified, and the flat-plate cart can be pushed to move by holding the transverse pipe.

The utility model discloses further set up to: a rectangular opening is formed in the side wall of the vertical pipe, the length direction of the opening is consistent with the axial direction of the vertical pipe, and the opening is communicated with the top end of the vertical pipe; a plurality of gaps are further formed in the side edge of the opening and are distributed at equal intervals along the length direction of the opening; the driving piece is "L" type, and the driving piece is including cup jointing the sliding part in the standpipe and the handle that stretches out from the opening outwards, and when the driving piece rotated in the sleeve pipe, the handle can block in the breach.

Through adopting above-mentioned technical scheme, the standpipe will provide the support for the removal of driving piece, and the brake block compresses tightly on the gyro wheel and when the breach is gone into to the grip portion card in addition, the resetting of driving piece will be restricted, and the flat-bed shallow keeps the locking state. Step on the preforming on the universal wheel one by one with the foot usually when restricting the flat-bed cart among the prior art, waste time and energy, when stepping on the dynamics not enough under moreover, the preforming can't restrict the universal wheel.

The utility model discloses further set up to: the upper end of the swinging piece is fixed with a supporting round pipe, a rotating shaft penetrates through the supporting round pipe, two ends of the rotating shaft are connected with supporting plates in a rotating mode, and the supporting plates are fixed below the bottom plate.

By adopting the technical scheme, the swing piece can swing up and down by utilizing the lever to be far away from two ends.

The utility model discloses further set up to: the elastic part is a torsion spring, and two ends of the elastic part are respectively fixedly connected with the supporting circular tube and one of the supporting plates.

Through adopting above-mentioned technical scheme, when the pivot rotated, will drive the torsional spring and twist reverse, and the elastic potential energy can be accumulated to the torsional spring, and then when the power of countering the torsional spring disappears, the elastic potential energy of torsional spring will release and make the swing piece reset.

The utility model discloses further set up to: the gripping portion is parallel to the cross tube when the gripping portion extends from the opening.

Through adopting above-mentioned technical scheme, direct pulling driving piece removes when being convenient for hold on violently managing.

The utility model discloses further set up to: and a rubber pad for buffering the driving piece is fixed at the bottom end of the opening.

Through adopting above-mentioned technical scheme, when the elastic component release elastic potential energy and order about the driving piece when reseing, the rubber pad can slow down the impact at driving piece and open-ended border.

To sum up, the utility model discloses a beneficial technological effect does:

1. the brake device is arranged, so that the manual pulling is replaced by the brake device, the controllability of the flat-bed cart during the deceleration is improved, and the labor intensity of people is reduced;

2. through setting up the breach, when the brake block compressed tightly on the gyro wheel and in the breach is gone into to the clamping part card, the resetting of driving piece will be restricted, and the flat-bed shallow keeps the locking state.

Drawings

Fig. 1 is a schematic structural view 1 of a flatbed cart;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the flatbed cart 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural view of the brake apparatus.

In the figure, 1, a bottom plate; 2. a universal wheel; 3. a roller; 4. a handrail; 41. a vertical tube; 411. an opening; 412. a notch; 42. a transverse tube; 5. a brake device; 51. a swinging sheet; 511. a bending section; 512. a straight portion; 513. a support circular tube; 52. brake shoe; 53. a brake cable; 54. a drive member; 541. a sliding part; 542. a grip portion; 55. a torsion spring; 56. a support plate; 6. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a flat-bed cart, including the bottom plate 1 of the rectangle of level setting, still include universal wheel 2, gyro wheel 3, be used for arresting brake 5 of gyro wheel 3 and be used for promoting the handrail 4 of flat-bed cart.

The bottom plate 1 is formed by taking a plurality of square steel tubes which are welded together in a criss-cross mode as a frame and taking sheet iron as a bearing table top, and the sheet iron is laid and welded above the square steel tubes. The two ends of the bottom plate 1 in the length direction are respectively the front end and the rear end, when a person pushes the flat-plate cart to advance, the rear end is located at one end close to the person, and the front end is located at one end far away from the person.

The universal wheels 2 and the rollers 3 are fixed on the lower end face of the bottom plate 1. Two universal wheels 2 are arranged, and the two universal wheels 2 are positioned at the front end of the bottom plate 1; the roller 3 is provided with one, and the roller 3 is positioned at the rear end of the bottom plate 1.

Referring to fig. 3 and 4, the handrail 4 is "T" shaped and includes a vertical tube 41 disposed vertically and a horizontal tube 42 disposed horizontally. The vertical rod is welded on the rear end face of the bottom plate 1, and the pipe orifice at the bottom end of the vertical pipe 41 is not shielded. The cross tube 42 is welded to the top end of the vertical tube 41, and the cross tube 42 functions as a hand grip. A rectangular opening 411 is formed in the tube wall of the vertical tube 41, the length direction of the opening 411 is consistent with the axial direction of the vertical tube 41, and the opening 411 is communicated with the top end of the vertical tube 41. The opening 411 is disposed toward one side of the width direction of the bottom plate 1, a plurality of rectangular notches 412 are disposed on the side edge of the opening 411 in the width direction and close to the front end of the bottom plate 1, and the plurality of notches 412 are equidistantly distributed along the length direction of the opening 411. A rubber pad 6 is also bonded to the bottom edge of the opening 411.

Referring to fig. 2 and 5, the brake apparatus 5 includes a swing plate 51 operating on the principle of a lever, a brake shoe 52 connected to the swing plate 51, a brake cable 53, and a torsion spring 55, and further includes a driving member 54 connected to the brake cable 53.

The oscillating plate 51 includes a curved portion 511 in a curved plate structure, a straight portion 512 in a straight plate structure, and a supporting circular tube 513. The curved portion 511 is formed integrally with the flat portion 512, and the support circular tube 513 is welded to the upper end surface of the flat portion 512. The bent portion 511 is located directly above the roller 3. The brake shoe 52 is fixed to the surface of the curved portion 511 facing the roller 3, and the curvature of the brake shoe 52 is identical to the curvature of the roller 3. The straight portion 512 is located on the side of the roller 3 adjacent to the standpipe 41. The axis of the support cylinder 513 is parallel to the axis of rotation of the roller 3. The supporting circular tube 513 penetrates through the rotating shaft, the two ends of the rotating shaft are rotatably connected with supporting plates 56, and the supporting plates 56 are vertically welded on the lower end face of the bottom plate 1. The rotating shaft is also sleeved with a torsion spring 55. The two ends of the torsion spring 55 are respectively welded with the opposite supporting round tube 513 and the supporting plate 56. The end of the support tube 513 facing away from the torsion spring 55 abuts against the opposite support plate 56.

Referring to fig. 4, the driving member 54 is L-shaped and includes a sliding portion 541 and a holding portion 542 vertically welded to each other. The sliding portion 541 and the holding portion 542 are both cylindrical, the sliding portion 541 is slidably connected to the inside of the vertical tube 41, and the holding portion 542 is located at the top end of the sliding portion 541 and extends outward from the opening 411. The diameter of the holding portion 542 is smaller than the diameter of the sliding portion 541, and the size of the holding portion 542 is also sufficient to be able to be snapped into the notch 412. One end of the brake cable 53 is welded at one end of the flat part 512, which is far away from the roller 3; the other end of the brake cable 53 extends into the vertical tube 41 from the bottom end nozzle of the vertical tube 41, and is connected with the bottom end of the sliding part 541 by welding.

In a natural state, the brake shoe 52 is spaced from the roller 3, the holding portion 542 is located at the bottom end of the opening 411 and abuts against the rubber pad 6, and the brake cable 53 is in a tightened state. When the holding portion 542 is pulled to move upward, the brake cable 53 rotates the swinging piece 51, so that the straight portion 512 rotates upward, the curved portion 511 rotates downward, and the brake shoe 52 presses against the roller 3. When the brake shoe 52 presses on the roller 3 and the driving member 54 is continuously applied with force, the moment of rotation of the oscillating piece 51 will be increased, thereby performing the function of decelerating and braking the roller 3. At the same time, the torsion spring 55 is deformed and accumulates elastic potential energy. When the flat-bed cart is in a parking state, the driving member 54 is rotated to clamp the holding portion 542 into the corresponding notch 412, and then the brake shoe 52 is continuously pressed against the roller 3, so that the flat-bed cart is in a locked state. When the holding portion 542 is disengaged from the notch 412, the driving member 54 is out of the limit, and the swing piece 51 is rotated to the original position by the torsion spring 55, and the driving member 54 is moved downward by the brake cable 53. When the grip 542 abuts on the rubber pad 6, the swing piece 51 stops rotating. The rubber pad 6 plays a role of buffering.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a flat-bed shallow, includes bottom plate (1), the rear end of bottom plate (1) is fixed with handrail (4), its characterized in that: a roller (3) is arranged below the rear end of the bottom plate (1), and two universal wheels (2) are fixed below the front end of the bottom plate (1); the rear end of the bottom plate (1) is also provided with a brake device (5) for braking the roller (3).

2. The flat cart of claim 1, wherein: the brake device (5) comprises a swinging piece (51) working by means of a lever principle, the swinging piece (51) is positioned between the bottom plate (1) and the roller (3), two ends of the swinging piece (51) are respectively fixed with a brake shoe (52) and a brake cable (53), the swinging piece (51) is also connected with an elastic piece, and the other end of the brake cable (53) is connected with a driving piece (54) for pulling the brake cable (53); when the driving piece (54) drives the swinging piece (51) to rotate through the brake cable (53), the elastic piece accumulates the elastic potential energy which drives the swinging piece (51) to rotate and enables the brake shoe (52) to be far away from the roller (3), and the brake shoe (52) moves towards the roller (3) and can be pressed on the roller (3).

3. The flat cart of claim 2, wherein: the handrail (4) is T-shaped and comprises a vertical pipe (41) and a transverse pipe (42) positioned at the top end of the vertical pipe (41).

4. The flat cart of claim 3, wherein: a rectangular opening (411) is formed in the side wall of the vertical pipe (41), the length direction of the opening (411) is consistent with the axial direction of the vertical pipe (41), and the opening (411) is communicated to the top end of the vertical pipe (41); a plurality of notches (412) are further formed in the side edge of the opening (411), and the notches (412) are distributed at equal intervals along the length direction of the opening (411); the driving element (54) is L-shaped, the driving element (54) comprises a sliding part (541) sleeved in the vertical pipe (41) and a holding part (542) extending outwards from the opening (411), and when the driving element (54) rotates in the sleeve, the holding part (542) can be clamped in the notch (412).

5. The flat cart of claim 4, wherein: the upper end of the swinging piece (51) is fixed with a supporting round tube (513), a rotating shaft penetrates through the supporting round tube (513), two ends of the rotating shaft are rotatably connected with supporting plates (56), and the supporting plates (56) are fixed below the bottom plate (1).

6. The flat cart of claim 5, wherein: the elastic part is a torsion spring (55), and two ends of the elastic part are respectively fixedly connected with the supporting circular tube (513) and one of the supporting plates (56).

7. The flat cart of claim 4, wherein: when the holding part (542) extends out of the opening (411), the holding part (542) is parallel to the transverse tube (42).

8. The flat cart of claim 4, wherein: and a rubber pad (6) for buffering the driving piece (54) is fixed at the bottom end of the opening (411).