Mobile folding cart

Abstract

Provide a mobile folding cart. [Solution] The mobile foldable cart comprises a cart base plate 1, first slide wheels 2 fixedly attached to both ends on one side of the lower end of the cart base plate 1, brackets 3 fixedly attached to both ends on the other side of the lower end of the cart base plate 1, and second slide wheels 4 are provided on both ends of the brackets 3. Rear support assemblies 5 are fixedly attached to both ends on one side of the upper end of the cart base plate 1, main connection assemblies 6 are movably attached to the center of both sides of the outer wall of the cart base plate 1, and a driven assembly 7 is movably attached to one side of the upper end of the rear support assemblies 5.

Description

[Technical field]

[0001] The present invention relates to the technical field of carts, and in particular to a mobile folding cart. [Background technology]

[0002] A cart is a transport vehicle that is pushed or pulled by human power, and usually has slide wheels at each of the four corners of the bottom end of the cart, and the cart is moved by the slide wheels. The conventional method of taking a pet out is to use a tow rope or to have the owner hold the pet by hand, but for large pets, it is difficult to hold the pet by human power and it is inconvenient to move the pet. If the pet is placed on the cart, the large pet can be moved directly, which is more labor-saving and convenient than carrying it manually.

[0003] Currently, the size of the cart is fixed when assembled, so such a configuration results in the user taking up more space when storing or placing the cart, and when the cart needs to be transported, the cart is fixed in a certain space, making it inconvenient to transport.

[0004] In order to solve the above problems, a mobile foldable cart is proposed. Summary of the Invention [Problem to be solved by the invention]

[0005] The objective of this utility model is to provide a mobile foldable cart to solve the problem presented in the background art above, that is, the size of the cart is fixed when assembled, so that in such a configuration, the cart takes up more space when the user stores or places it, and when the cart needs to be transported, the cart is fixed in a certain space, which makes it inconvenient to carry. [Means for solving the problem]

[0006] In order to achieve the above object, the present utility model provides the following technical solution: The mobile foldable cart according to the present utility model is a mobile foldable cart including a cart bottom plate and first slide wheels fixedly attached to both ends of one side of the lower end of the cart bottom plate, brackets fixedly attached to both ends of the other side of the lower end of the cart bottom plate, and second slide wheels are provided at both ends of the brackets, rear support assemblies fixedly attached to both ends of one side of the upper end of the cart bottom plate, main connection assemblies movably attached to the central parts of both sides of the outer wall of the cart bottom plate, and a driven assembly movably attached to one side of the upper end of the rear support assemblies.

[0007] Preferably, the rear support assembly includes a concave bracket and a first U-shaped round bar movably mounted via a movable shaft, a second U-shaped round bar movably mounted on one side of the inner wall of the concave bracket, and a first female thread groove bar is fixedly attached to both sides of one side of the lower end of the second U-shaped round bar.

[0008] Preferably, a hinge block is fixedly attached to both sides of the central portion of the outer wall of the first U-shaped round bar, a third U-shaped round bar is movably attached to one side of the hinge blocks, a second female threaded groove bar is fixedly attached to the central portion of one end of the outer wall of the third U-shaped round bar, and a first hollow locking block is fixedly attached to the central portion of the upper end of the concave bracket.

[0009] Preferably, the main connection assembly includes a push-out mechanism and a support mechanism movably attached to both sides of a lower end of the push-out mechanism, a right-angle block being movably attached to the lower end of the support mechanism, and a diagonal support bar being movably attached to one side of an upper end of the right-angle block.

[0010] Preferably, the extrusion mechanism includes a fifth U-shaped cylinder and a first hollow round bar sleeve fixedly attached to both sides of the lower end of the fifth U-shaped round bar, a first semicircular block is integrally formed with the lower end of the first hollow round bar sleeve, and an insertion rod is fixedly attached to the center of the inner cavity of the first semicircular block.

[0011] Preferably, the support mechanism includes a long rod and a second hollow round rod sleeve fixedly attached to one end of the long rod, with a corresponding semicircular block fixedly attached to one end of the second hollow round rod sleeve, and an annular groove attached to the center of the inner cavity of the corresponding semicircular block.

[0012] Preferably, the driven assembly includes a fourth U-shaped bar and a sixth U-shaped bar movably attached to both sides of one end of the fourth U-shaped bar, with convex blocks movably attached to both sides of the lower end of the sixth U-shaped bar, and a second hollow locking block fixedly attached to the center of one end of the fourth U-shaped bar. Effect of the Invention

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When the cart is not in use, the fifth U-shaped bar is pressed forward and downward, so that the first semicircular block and the corresponding semicircular block at one end of the fifth U-shaped bar rotate, the long bar folds toward the tip, and the movably mounted diagonal support bar tilts forward together, so that the diagonal support bar tilts the first U-shaped bar and the third U-shaped bar forward. The driven assemblies are movably mounted on both sides of the inner wall of the third U-shaped bar and follow the third U-shaped bar to tilt forward together, so that when the lower end of the third U-shaped bar and the upper end of the cart bottom plate are arranged in contact with each other, the cart is folded and stored, which is convenient for carrying when not in use.

[0014] 2. When the pet gets off the cart, the first hollow locking block can be taken out from one end of the first female threaded rod by loosening the T-screw screwed into the inner cavity of the first female threaded rod. The two sides of one end of the second U-shaped round rod are movably attached to one end of the inner wall of the concave bracket, so that the other end of the second U-shaped round rod is in contact with the ground, allowing the pet to get off the second U-shaped round rod and making it easy to use. [Brief description of the drawings]

[0015] [Figure 1] FIG. 1 is a perspective view of the overall structure of the present utility model. [Diagram 2] FIG. 2 is a perspective view of the structure of the rear support assembly, the main connection assembly and the driven assembly of the present invention; [Diagram 3] FIG. 2 is a perspective view of the extrusion mechanism of the present invention. [Figure 4] FIG. 2 is a perspective view of the support mechanism of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] Hereinafter, the technical solutions in the embodiments of the present utility model will be described clearly and completely with reference to the drawings of the embodiments of the present utility model, but of course, the described embodiments are only some of the embodiments of the present utility model, and not all of the embodiments. Based on the examples in the present utility model, all other embodiments obtained by those skilled in the art without creative labor also fall within the protection scope of the present utility model.

[0017] Example 1 1 to 4, the mobile foldable cart includes a cart base plate 1 and first sliding wheels 2 fixedly attached to both ends of one side of the lower end of the cart base plate 1, brackets 3 fixedly attached to both ends of the other side of the lower end of the cart base plate 1, and second sliding wheels 4 are provided at both ends of the brackets 3. The arrangement of the first sliding wheels 2 and the second sliding wheels 4 allows the cart base plate 1 to move. Rear support assemblies 5 are fixedly attached to both ends of one side of the upper end of the cart base plate 1, main connection assemblies 6 are movably attached to the center of both sides of the outer wall of the cart base plate 1, and a driven assembly 7 is movably attached to one side of the upper end of the rear support assemblies 5.

[0018] The main connection assembly 6 includes a push-out mechanism 61 and a support mechanism 62 movably attached to both sides of the lower end of the push-out mechanism 61. A right-angle block 63 is movably attached to the lower end of the support mechanism 62, and the right-angle block 63 is fixedly attached to both sides of the center of the outer wall of the cart bottom plate 1. Thus, the lower end of the support mechanism 62 is movably attached to both sides of the center of the outer wall of the cart bottom plate 1. A diagonal support bar 64 is movably attached to one side of the upper end of the right-angle block 63, and the upper ends of the diagonal support bar are movably attached to both sides of the outer wall of the third U-shaped round bar 56.

[0019] The extrusion mechanism 61 includes a fifth U-shaped cylinder 611 and a first hollow round bar sleeve 612 fixedly attached to both sides of the lower end of the fifth U-shaped round bar 611. A first semicircular block 613 is integrally formed with the lower end of the first hollow round bar sleeve 612, and an insertion rod 614 is fixedly attached to the center of the internal cavity of the first semicircular block 613.

[0020] The support mechanism 62 includes a long rod 621 and a second hollow round rod sleeve 622 fixedly attached to one end of the long rod 621. A corresponding semicircular block 623 is fixedly attached to one end of the second hollow round rod sleeve 622, and an annular groove 624 is attached to the center of the inner cavity of the corresponding semicircular block 623. The insertion rod 614 is movably attached within the inner cavity of the annular groove 624, thereby realizing the movably attachment of the first semicircular block 613 and the corresponding semicircular block 623.

[0021] The driven assembly 7 includes a fourth U-shaped round bar 71 and a sixth U-shaped round bar 72 movably attached to both sides of one end of the fourth U-shaped round bar 71. Convex blocks 73 are movably attached to both sides of the lower end of the sixth U-shaped round bar 72, and a second hollow locking block 74 is fixedly attached to the center of one end of the fourth U-shaped round bar 71. The second internally threaded rod 57 is movably attached to the inner cavity of the second internally threaded rod 57 and is screwed and attached into the inner cavity of the second internally threaded rod 57, thereby fixing the second internally threaded rod 74 to the upper end and completing the connection between the fourth U-shaped round bar 71 and the third U-shaped round bar 56.

[0022] In this embodiment, when the cart is not in use, the fifth U-shaped round bar 611 is pressed forward and downward, so that the first semicircular block 613 at one end of the fifth U-shaped round bar 611 and the corresponding semicircular block 623 rotate, the long bar 621 is folded toward the tip (the direction of the first sliding wheel), and the movably attached diagonal support bar 64 tilts forward together, so that the diagonal support bar 64 tilts the first U-shaped round bar 52 and the third U-shaped round bar 56 forward. The driven assemblies 7 are movably attached to both sides of the inner wall of the third U-shaped round bar 56 and follow the third U-shaped round bar 56 to move forward together, so that when the lower end of the third U-shaped round bar 56 and the upper end of the cart bottom plate 1 are arranged in contact with each other, the folding and storage of the cart is completed, and it is convenient to carry when not in use.

[0023] Example 2 This embodiment is an improvement based on the embodiment 1. Specifically, referring to Fig. 2 and Fig. 3, the rear support assembly 5 includes a concave bracket 51 and a first U-shaped round bar 52 movably attached via a movable shaft, a second U-shaped round bar 53 is movably attached to one side of the inner wall of the concave bracket 51, and a first female thread groove bar 54 is fixedly attached to both sides of one side of the lower end of the second U-shaped round bar 53, and the second U-shaped round bar 53 forms a gentle slope for a pet standing on the upper end of the cart bottom plate 1 to get off the cart.

[0024] Hinge blocks 55 are fixedly attached to both sides of the center of the outer wall of the first U-shaped round bar 52, a third U-shaped round bar 56 is movably attached to one side of the hinge block 55, a second female threaded bar 57 is fixedly attached to the center of one end of the outer wall of the third U-shaped round bar 56, and a first hollow locking block 58 is fixedly attached to the center of the upper end of the concave bracket 51. The first female threaded bar 54 is movably attached to the inner cavity of the first hollow locking block 58, and is screwed into the inner cavity of the first female threaded bar 54 via a T-screw, thereby completing the connection between the second U-shaped round bar 53 and the first hollow locking block 58.

[0025] In this embodiment, a pet is placed on the top end of the cart bottom plate 1, and the whole cart can be moved by pushing the main connection assembly 6. When the pet gets off the cart, the first hollow locking block 58 can be taken out from one end of the first female threaded rod 54 by loosening the T-shaped screw screwed into the inner cavity of the first female threaded rod 54. Since both sides of one end of the second U-shaped round rod 53 are movably attached to one end of the inner wall of the concave bracket 51, respectively, the other end of the second U-shaped round rod 53 is in contact with the ground, so that the pet can get off the second U-shaped round rod 53 and is easy to use.

[0026] The principle of operation is as follows. A pet can be placed on the top end of the cart bottom plate 1 and the entire cart can be moved by pushing the main connection assembly 6. When the pet gets off the cart, the first hollow locking block 58 can be taken out from one end of the first female threaded rod 54 by loosening the T-screw screwed into the inner cavity of the first female threaded rod 54. Since both sides of one end of the second U-shaped round rod 53 are movably attached to one end of the inner wall of the concave bracket 51, respectively, the other end of the second U-shaped round rod 53 is in contact with the ground, so that the pet can get off the second U-shaped round rod 53. When the cart is not in use, by pressing the fifth U-shaped round bar 611 forward and downward, the first semicircular block 613 at one end of the fifth U-shaped round bar 611 and the corresponding semicircular block 623 rotate, the long bar 621 is folded toward the tip (the direction of the first sliding wheel), and the movably attached diagonal support bar 64 tilts forward together, so that the diagonal support bar 64 tilts the first U-shaped round bar 52 and the third U-shaped round bar 56 forward. Since the driven assemblies 7 are movably attached to both sides of the inner wall of the third U-shaped round bar 56 and follow the third U-shaped round bar 56 to move forward together, when the lower end of the third U-shaped round bar 56 and the upper end of the cart bottom plate 1 are arranged in contact with each other, the folding and storage of the cart is completed.

[0027] The second hollow round bar sleeve 622, the corresponding semicircular block 623, the annular groove 624, the first hollow round bar sleeve 612, the first semicircular block 613 and the insert rod 614 together constitute a locking joint, and the model number of the locking joint is HP-716.

[0028] Any content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0029] The present utility model has been described in detail with reference to the above embodiments, but those skilled in the art may modify the technical solutions described in the above embodiments or equivalently replace some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model. [Explanation of symbols]

[0030] 1...cart bottom plate, 2...first sliding wheel, 3...bracket, 4...second sliding wheel, 5...rear support assembly, 51...concave bracket, 52...first U-shaped round bar, 53...second U-shaped round bar, 54...first female groove bar, 55...hinge block, 56...third U-shaped round bar, 57,second female groove bar, 58...first hollow locking block, 6...main connection assembly, 61...push-out mechanism, 611...fifth U U-shaped rod, 612...first hollow rod sleeve, 613...first semicircular block, 614...insertion rod, 62...support mechanism, 621...long rod, 622...second hollow rod sleeve, 623...corresponding semicircular block, 624...annular groove, 63...right angle block, 64...diagonal support rod, 7...following assembly, 71...fourth U-shaped rod, 72...sixth U-shaped rod, 73...convex block, 74...second hollow locking block.

Claims

1. A mobile foldable cart comprising a cart base plate (1) and first slide wheels (2) fixedly attached to both ends of one side of the lower end of the cart base plate (1), A bracket (3) is fixedly attached to both ends of the other side of the lower end of the cart bottom plate (1), and a second slide wheel (4) is provided on each end of the bracket (3); A rear support assembly (5) is fixedly attached to both ends on one side of the upper end of the cart bottom plate (1), a main connection assembly (6) is movably attached to the center of each side of the outer wall of the cart bottom plate (1), and a driven assembly (7) is movably attached to one side of the upper end of the rear support assembly (5). A mobile folding cart characterized by:

2. The rear support assembly (5) includes a concave bracket (51) and a first U-shaped round bar (52) movably attached via a movable shaft, a second U-shaped round bar (53) is movably attached to one side of the inner wall of the concave bracket (51), and a first female thread groove bar (54) is fixedly attached to both sides of one side of the lower end of the second U-shaped round bar (53).

2. The mobile folding cart according to claim 1.

3. A hinge block (55) is fixedly attached to both sides of the central part of the outer wall of the first U-shaped round bar (52), a third U-shaped round bar (56) is movably attached to one side of the hinge block (55), a second female thread groove bar (57) is fixedly attached to the central part of one end of the outer wall of the third U-shaped round bar (56), and a first hollow locking block (58) is fixedly attached to the central part of the upper end of the concave bracket (51).

3. The mobile folding cart according to claim 2.

4. The main connection assembly (6) includes a push-out mechanism (61) and a support mechanism (62) movably attached to both sides of the lower end of the push-out mechanism (61), a right-angle block (63) is movably attached to the lower end of the support mechanism (62), and a diagonal support rod (64) is movably attached to one side of the upper end of the right-angle block (63).

4. The mobile folding cart according to claim 3.

5. The extrusion mechanism (61) includes a fifth U-shaped cylinder (611) and a first hollow round bar sleeve (612) fixedly attached to both sides of the lower end of the fifth U-shaped round bar (611), a first semicircular block (613) is integrally formed with the lower end of the first hollow round bar sleeve (612), and an insertion rod (614) is fixedly attached to the center of the inner cavity of the first semicircular block (613).

5. The mobile folding cart according to claim 4.

6. The support mechanism (62) includes a long rod (621) and a second hollow round rod sleeve (622) fixedly attached to one end of the long rod (621), a corresponding semicircular block (623) fixedly attached to one end of the second hollow round rod sleeve (622), and an annular groove (624) is attached to the center of the inner cavity of the corresponding semicircular block (623).

6. The mobile folding cart according to claim 5.

7. The driven assembly (7) includes a fourth U-shaped round bar (71) and a sixth U-shaped round bar (72) movably attached to both sides of one end of the fourth U-shaped round bar (71), a convex block (73) is movably attached to both sides of the lower end of the sixth U-shaped round bar (72), and a second hollow locking block (74) is fixedly attached to the center of one end of the fourth U-shaped round bar (71).

7. The mobile folding cart according to claim 6.

Images