CN217260085U

CN217260085U - Handcart supporting leg and handcart

Info

Publication number: CN217260085U
Application number: CN202221160836.4U
Authority: CN
Inventors: 刘智军
Original assignee: Qingdao Huatian Hand Truck Co Ltd
Current assignee: Qingdao Huatian Hand Truck Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-23
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a handcart landing leg and handcart, its handcart landing leg includes the landing leg main part and connects the reinforcing plate in the landing leg main part, the landing leg main part is including the bottom plate that is the level setting, connect respectively in the bottom plate both ends and all up first backup pad and the second backup pad that sets up, bend towards first backup pad in the middle part of the second backup pad, the one end of reinforcing plate is connected in the junction of bottom plate and first backup pad, the other end of reinforcing plate is connected in the department of bending at second backup pad middle part, reinforcing plate and bottom plate, the lower part of bending of second backup pad encloses into the triangle-shaped structure. The utility model discloses a length of extension bottom plate has increased the area of contact of handcart landing leg with ground, improves the stability of handcart landing leg, and the triangle-shaped structure that the lower part of bending of reinforcing plate and bottom plate and second backup pad enclosed simultaneously has strengthened the structural strength of handcart landing leg, further increases the stability of handcart landing leg.

Description

Handcart supporting leg and handcart

Technical Field

The utility model belongs to the technical field of the handcart, specifically speaking relates to a handcart landing leg and handcart.

Background

The trolley is a small-sized transportation tool for transporting articles, and is widely applied to the production and the life of people. The existing trolley supporting legs are generally designed into two forms, one is a V-shaped structure or an I-shaped structure, the contact between the existing trolley supporting legs and the ground is point contact, the contact area is small, and the stability is poor; the other is a U-shaped structure, which is in line contact or surface contact with the ground, and although the contact area with the ground is increased compared with the point contact form, the increased contact area is not large, and the stability effect is still not ideal.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a cart leg and a cart are proposed, and the following technical solutions are provided:

the utility model provides a handcart landing leg, it includes the landing leg main part and connects the reinforcing plate in the landing leg main part, the landing leg main part is including the bottom plate that is the level setting, connect respectively in bottom plate both ends and all up first backup pad and the second backup pad that sets up, bend towards first backup pad in the middle part of the second backup pad, the one end of reinforcing plate is connected in the junction of bottom plate and first backup pad, the other end of reinforcing plate is connected in the department of bending at second backup pad middle part, the reinforcing plate encloses into the triangle-shaped structure with the bottom plate, the lower part of bending of second backup pad.

Furthermore, the top of the first support plate and the top of the second support plate are respectively bent outwards to form a first connecting part and a second connecting part.

Furthermore, the first connecting portion and the second connecting portion are respectively provided with a first connecting hole and a second connecting hole.

Further, the width of the first supporting plate is the same as that of the bottom plate and that of the second supporting plate.

Furthermore, the landing leg main part still includes first bead and the second bead that outwards extends the formation respectively along the both sides border of first backup pad, bottom plate, second backup pad, and first bead and second bead are mutual symmetry setting.

Furthermore, the first support plate, the bottom plate, the second support plate and the first convex ribs and the second convex ribs on the two sides of the first support plate, the bottom plate and the second support plate are integrally formed or welded and fixed.

Furthermore, the bent upper part of the second supporting plate is provided with a third connecting hole for realizing connection with an adjacent trolley supporting leg, and the third connecting hole is provided with at least one.

Furthermore, the joint of the first support plate and the bottom plate, the joint of the second support plate and the bottom plate, and the bending part of the second support plate are all provided with arc chamfers.

In another preferred technical scheme, the bottom plate is an arc-shaped plate with the middle part bent upwards.

A trolley comprising a trolley leg as described above.

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

(1) the utility model discloses a length of extension bottom plate has increased the area of contact of handcart landing leg with ground, improves the stability of handcart landing leg, and the triangle-shaped structure that the lower part of bending of reinforcing plate and bottom plate and second backup pad enclosed simultaneously has strengthened the structural strength of handcart landing leg, further increases the stability of handcart landing leg.

(2) In the landing leg main part, first backup pad is the same with bottom plate, second backup pad width, improves landing leg main part's structural regularity, and the integrated into one piece or end to end welded fastening of being convenient for makes whole handcart landing leg more pleasing to the eye simultaneously.

(3) First bead, the second bead integrated into one piece of first backup pad, bottom plate, second backup pad and both sides simplify the contour machining operation, improve the fashioned convenience of whole mechanism.

(4) When setting up the bottom plate into the arc of middle part kickup, improved the stability that the handcart was parked on unevenness or soft road surface.

Drawings

Fig. 1 is a schematic structural view of a cart leg according to embodiment 1 of the present invention;

fig. 2 is a front view of a cart leg according to embodiment 1 of the present invention;

fig. 3 is a rear view of a cart leg according to embodiment 1 of the present invention;

fig. 4 is a left side view of a cart leg according to embodiment 1 of the present invention;

fig. 5 is a right side view of a cart leg according to embodiment 1 of the present invention;

fig. 6 is a top view of a cart leg according to embodiment 1 of the present invention;

fig. 7 is a bottom view of a cart leg according to embodiment 1 of the present invention;

fig. 8 is a diagram showing a state of use of the cart leg according to embodiment 1 of the present invention;

fig. 9 is a schematic structural view of a cart leg according to embodiment 2 of the present invention;

fig. 10 is a diagram illustrating a state of use of the cart leg according to embodiment 2 of the present invention;

in the drawings: 100. a reinforcing plate; 200. a leg body; 210. a base plate; 220. a first support plate; 221. a first connection hole; 230. a second support plate; 231. a second connection hole; 232. a third connection hole; 240. a first rib; 250. a second rib; 300. a frame; 400. a car hopper; 500. a connecting plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following embodiments of the present invention are combined to make clear and complete description of 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 scope of protection 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 illustration and not for limiting the invention.

Detailed description of the preferred embodiment 1

As shown in fig. 1 to 8, a cart leg includes a leg main body 200 and a reinforcing plate 100 connected in the leg main body 200, the leg main body 200 includes a bottom plate 210 horizontally disposed, a first supporting plate 220 and a second supporting plate 230 respectively connected to two ends of the bottom plate 210 and both upwardly disposed, the middle portion of the second supporting plate 230 is bent toward the first supporting plate 220, one end of the reinforcing plate 100 is connected to the connection portion of the bottom plate 210 and the first supporting plate 220, the other end of the reinforcing plate 100 is connected to the bending portion of the middle portion of the second supporting plate 230, and the bending lower portions of the reinforcing plate 100, the bottom plate 210 and the second supporting plate 230 enclose a triangular structure. The contact area between the reinforcing plate 100 and the ground is increased through the contact between the reinforcing plate 100 and the ground, the stability of the trolley support leg is improved, and meanwhile, the structural strength of the trolley support leg is enhanced through a triangular structure formed by the reinforcing plate 100, the bottom plate 210 and the bending lower portion of the second support plate 230 in a surrounding mode, so that the stability of the trolley support leg is further improved. The utility model discloses an extension and the length of the bottom plate 100 of ground contact have increased the area of contact between handcart landing leg and the ground, improve the stability of handcart landing leg, and the triangle-shaped structure that the lower part of bending of reinforcing plate 100 and bottom plate 210 and second backup pad 230 encloses has strengthened the structural strength of handcart landing leg simultaneously, further increases the stability of handcart landing leg.

Further, the top of the first support plate 220 and the top of the second support plate 230 are bent outward to form a first connection portion and a second connection portion, respectively. The first support plate 220 and the second support plate 230 are respectively connected with the cart frame 300 through a first connecting part and a second connecting part which are formed by bending the tops outwards, can be fixed together in a welding mode, and can also be detachably connected together through fasteners such as bolts and the like.

Further, in this embodiment, the first connection portion and the second connection portion are respectively provided with a first connection hole 221 and a second connection hole 231. The first and second coupling portions are detachably coupled to the cart frame 300 by fasteners such as bolts respectively corresponding to the first and

second coupling holes

221 and 231.

Further, in this embodiment, the widths of the first supporting plate 220, the bottom plate 210 and the second supporting plate 230 are the same, so that the structural regularity of the leg body 200 is improved, the integral forming or the head-to-tail welding fixation are facilitated, and the whole stroller leg is more attractive. The first support plate 220, the bottom plate 210 and the second support plate 230 may be integrally formed or may be fixed together by welding.

Further, the leg body 200 includes a first rib 240 and a second rib 250 respectively extending outwards along two side edges of the first support plate 220, the bottom plate 210 and the second support plate 230, and the first rib 240 and the second rib 250 are symmetrically arranged.

Further, in this embodiment, the first support plate 220, the bottom plate 210, the second support plate 230, and the first protruding ribs 240 and the second protruding ribs 250 on both sides thereof are integrally formed, so that the forming operation is simplified, and the convenience of forming the whole mechanism is improved. The first support plate 220, the bottom plate 210, the second support plate 230 and the first and

second ribs

240 and 250 on both sides thereof are integrally formed and fixed together in a welding manner.

Further, the bent upper portion of the second supporting plate 230 is provided with a third connecting hole 232 for connecting with an adjacent trolley leg, and at least one third connecting hole 232 is provided.

Further, the joints of the first supporting plate 220 and the bottom plate 210, the joints of the second supporting plate 230 and the bottom plate 210, and the bending parts of the second supporting plate 230 are all provided with arc chamfers, so that stress concentration at the joints of the first supporting plate 220 and the bottom plate 210, the joints of the second supporting plate 230 and the bottom plate 210, and the bending parts of the second supporting plate 230 is reduced, and the strength of the whole structure is enhanced.

A trolley, as shown in fig. 8, comprises the trolley legs, a frame 300, a hopper 400 disposed on the frame 300, and wheels connected to the center of the front bottom of the frame 300, wherein two trolley legs are symmetrically disposed at the rear bottom of the frame 300. In this embodiment, the first support plate 220 is disposed close to the wheel, and the second support plate 230 is disposed away from the wheel. The triangular structure defined by the reinforcement plate 100 and the bent lower portions of the bottom plate 210 and the second support plate 230 enhances the structural strength of the cart leg and increases the stability of the cart leg, while providing easy grip for a person and assisting when dumping items in the bucket 400. In the handcart, two third connecting holes 232 are arranged up and down on the supporting legs of the handcart. Adjacent handcart landing legs are connected together through setting up connecting plate 500, and the both ends of connecting plate 500 correspond the third connecting hole 232 that first backup pad 220 bent upper portion set up in the adjacent handcart landing leg respectively and are provided with the fourth connecting hole, through corresponding fasteners such as bolts that third connecting hole 232 and fourth connecting hole cooperation set up with connecting plate 500 on adjacent handcart landing leg.

Specific example 2

The same parts of this embodiment as those of embodiment 1 are not described again, but the differences are as follows:

as shown in fig. 9, the bottom plate 210 is an arc plate with an upward bending middle part, and as shown in fig. 10, the stability of the cart parked on an uneven or soft road surface is improved by setting the bottom plate to be the arc plate with the upward bending middle part.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a handcart landing leg, a serial communication port, including landing leg main part and connect the reinforcing plate in the landing leg main part, the landing leg main part is including the bottom plate that is the level setting, connect respectively in the bottom plate both ends and all set up first backup pad and second backup pad up, second backup pad middle part is bent towards first backup pad, the one end of reinforcing plate is connected in the junction of bottom plate and first backup pad, the other end of reinforcing plate is connected in the department of bending at second backup pad middle part, the reinforcing plate encloses into the triangle-shaped structure with the bottom plate, the lower part of bending of second backup pad.

2. A stroller leg according to claim 1, wherein the top portions of the first and second support plates are bent outwardly to form first and second connection portions, respectively.

3. A stroller leg according to claim 2, wherein said first and second connecting portions are provided with first and second connecting apertures, respectively.

4. A stroller leg according to claim 1, wherein said first support plate is the same width as the bottom and second support plates.

5. A stroller leg according to claim 4, wherein said leg body further comprises a first rib and a second rib formed along both side edges of said first support plate, said bottom plate and said second support plate, respectively, and extending outwardly, said first rib and said second rib being symmetrically disposed with respect to each other.

6. A stroller leg according to claim 5, wherein said first support plate, said base plate, said second support plate and said first and second ribs on either side thereof are integrally formed or welded together.

7. A trolley leg as claimed in claim 1, wherein the bent upper part of the second support plate is provided with a third attachment aperture for enabling attachment to an adjacent trolley leg, the third attachment aperture being provided with at least one.

8. A trolley leg as claimed in claim 1, wherein the joint between the first support plate and the base plate, the joint between the second support plate and the base plate, and the bend of the second support plate are provided with rounded corners.

9. A stroller leg according to claim 1, wherein said base plate is an arcuate plate curved upwardly at a middle portion thereof.

10. A trolley comprising a trolley leg as claimed in any one of claims 1 to 9.