Trolley with height capable of being telescopically adjusted

Abstract

The utility model belongs to the technical field of carts, and discloses a cart with the height capable of being telescopically adjusted, which comprises a bottom plate, and roller parts are mounted at the lower end of the bottom plate; a horizontally-arranged strip-shaped shaft is fixed to the upper end of the bottom plate, a blocking strip is fixed to the side, away from the strip-shaped shaft, of the upper end of the bottom plate, and the blocking strip and the strip-shaped shaft are coaxially arranged. The upper end of the strip-shaped shaft is rotationally hinged to a vertically-arranged first support through a first hinge piece, and the first support can rotate around the axis of the first hinge piece towards the side of the barrier strip to be parallel to the bottom plate. A second hinge piece is arranged at the end, away from the strip-shaped shaft, of the first support, the first support is rotationally hinged to a second support through the second hinge piece, the second support can rotate till the first support is in a parallel placement state, and a lifting frame is arranged at the upper end of the second support. The cart can be folded and stored in a non-use state, so that the occupied space of the cart is reduced, the cart is particularly suitable for storing and stacking a large number of carts after being folded, and centralized storage of the carts is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the trolley technical field, concretely relates to a trolley with height telescopic adjustment. BACKGROUND

[0002] In the factory area, the workshop site and other places, the transportation of large objects such as decoration materials, rectangular glass and decoration board is a common and important operation. In order to ensure the stability and safety in the transportation process, the board is usually inclined and leaned on the trolley for carrying. However, the existing trolley is mostly rigid structure, which cannot be folded after use, resulting in that the trolley still occupies a large space when not in use, especially when the number of trolleys is large, the storage and stacking are extremely inconvenient, which seriously reduces the site utilization rate and increases the management cost. Therefore, the existing technology has the problems of trolley unable to be folded and occupying large space. SUMMARY

[0003] In view of the defects of the prior art, the utility model aims at providing a trolley with height telescopic adjustment, which solves the problems of trolley unable to be folded and occupying large space in the prior art.

[0004] The utility model can be realized by the following technical scheme:

[0005] A trolley with height telescopic adjustment, comprising a bottom plate, a roller part is installed at the lower end of the bottom plate;

[0006] A horizontal strip-shaped shaft is fixed at the upper end of the bottom plate, a blocking strip is fixed at the side of the bottom plate away from the strip-shaped shaft, and the blocking strip is coaxially placed with the strip-shaped shaft;

[0007] A vertical first support is rotatably connected to the upper end of the strip-shaped shaft through a first hinge, and the first support can rotate to be parallel to the bottom plate along the axis of the first hinge;

[0008] A second hinge is arranged at the end of the first support away from the strip-shaped shaft, and a second support is rotatably connected to the first support through the second hinge, and the second support can be rotated to be parallel to the first support, and a lifting frame is arranged at the upper end of the second support, and the lifting frame can be adjusted in lifting along the plane of the second support;

[0009] A connecting part for detachable connection with the bottom plate is arranged at the lower end of the second support;

[0010] When the connecting part is connected with the bottom, the second support is located between the blocking strip and the strip-shaped shaft, and the second support is inclined and upwardly placed from the blocking strip end to the strip-shaped shaft end;

[0011] The connecting part comprises a pair of connecting strips arranged along the axial direction of the strip-shaped shaft, the two connecting strips are respectively fixed on the two side surfaces of the second support near the lower end part, the bottom plate is slidingly connected between the two connecting strips, the lower end side wall of each connecting strip is attached to the side wall of the bottom plate, a first limiting hole is formed in the upper end of each connecting strip, a second limiting hole is formed in the side wall of the bottom plate, the first limiting hole and the second limiting hole are coaxially arranged and connected by a first bolt;

[0012] A pair of symmetrical sliding cavities are formed in the upper end of the second support, when the second support and the bottom plate are vertically arranged, the sliding cavities are vertically upward arranged;

[0013] The lifting frame comprises a horizontal rod, the horizontal rod is arranged above the second support, a pair of symmetrical first sliding rods are fixed on the lower end of the horizontal rod, the two first sliding rods are slidingly connected in the two sliding cavities respectively;

[0014] A third limiting hole is formed in the side wall of any sliding cavity, a plurality of fourth limiting holes are arranged on the first sliding rod along the axial direction;

[0015] Any fourth limiting hole on the first sliding rod can be coaxially aligned with the third limiting hole of the corresponding sliding cavity, and connected by a second bolt;

[0016] The side of the blocking strip close to the strip-shaped shaft is fixed with a pad strip made of elastic material;

[0017] The side of the first support away from the second support is fixed with a horizontally arranged telescopic handrail, the length of the telescopic handrail can be adjusted in the horizontal direction;

[0018] The telescopic handrail comprises a sleeve with an open end, the sleeve is coaxially arranged with the strip-shaped shaft, a second sliding rod coaxially arranged is slidingly connected in the sleeve, one end of the second sliding rod extends out of the open end of the sleeve and is fixed with a handle;

[0019] At least one fifth limiting hole is formed in the sleeve, a plurality of sixth limiting holes are formed in the second sliding rod, the plurality of sixth limiting holes are arranged along the axial direction of the second sliding rod, at least one fifth limiting hole and any sixth limiting hole are connected by a third bolt;

[0020] The cross section of the second sliding rod is circular, the outer thread is arranged on the peripheral wall of the second sliding rod, and the inner thread is arranged on the inner peripheral wall of the sleeve.

[0021] The nouns, conjunctions or adjectives involved in the above technical solutions are explained as follows:

[0022] Detachable connection: refers to a connection method that allows two or more components to be easily connected and separated when needed, so that they can be quickly and conveniently connected and disassembled.

[0023] Sliding connection: This connection allows the components to slide relative to each other in a specific direction, usually used for the connection of devices or components that require linear movement.

[0024] The utility model discloses the beneficial effects of:

[0025] The stroller sets up single -sided foldable triangular backrest as support, and the triangular backrest can be folded, so that the stroller is convenient to transport and carry.

[0026] In use, the connecting part is connected with the bottom plate, the second support is placed obliquely, the board to be transported is placed on the bottom plate and leans on the second support obliquely, the lower end of the board abuts against the blocking strip, and the roller part is arranged, so that the board is conveniently carried, and the lifting frame is arranged, so that the height between the lifting frame and the bottom plate is adjusted according to the size of the board.

[0027] In non-use, the connecting part is detached from the bottom plate, the first support is rotated to the side of the blocking strip, the second support is contracted and rotated to the side of the first support, the second support is parallel to the first support, the first support and the second support are parallel to the bottom plate, the stroller is folded and stored in non-use, the space occupied by the stroller is reduced, and the stroller is particularly suitable for storage and stacking after folding, and the stroller is conveniently stored. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced as follows, and obviously, other drawings can be obtained by those skilled in the art without creative labor.

[0029] Figure 1 It is the overall structure schematic diagram of the stroller of the utility model;

[0030] Figure 2 It is the overall structure schematic diagram of the stroller folding state of the utility model;

[0031] Figure 3 It is the partial structure schematic diagram of the sliding cavity of the utility model;

[0032] Figure 4 It is the telescopic handrail structure schematic diagram in the embodiment one of the utility model. DETAILED DESCRIPTION

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0034] An embodiment of a trolley with height-adjustable is described herein. Figures 1 to 4 Specifically, the trolley with height-adjustable is configured in a split structure, which comprises a bottom plate 100, a roller part 101, a strip-shaped shaft 200, a blocking strip 300, a first support 400, a first hinge 500, a second hinge 501, a second support 600, a lifting frame 700, and a connecting part. In use, the connecting part is connected to the bottom plate 100, the second support 600 is placed obliquely, the board to be transported is placed on the bottom plate 100, the board is obliquely placed on the second support 600, the lower end of the board is in contact with the blocking strip 300, and the roller part 101 is arranged to facilitate the transportation of the board. The lifting frame 700 is arranged to adjust the height between the lifting frame 700 and the bottom plate 100 according to the size of the board.

[0035] In a non-use state, the connecting part is detached from the bottom plate 100, the first support 400 is rotated towards the blocking strip 300, and the second support 600 is rotated towards the first support 400 to make the second support 600 parallel to the first support 400. The first support 400 and the second support 600 are placed parallel to the bottom plate 100. The trolley can be folded and stored in the non-use state to reduce the space occupied by the trolley, and the folded trolley is particularly suitable for storing and stacking a large number of trolleys.

[0036] Please refer to Figures 1 to 4 A trolley with height-adjustable comprises a bottom plate 100, and a roller part 101 installed at the lower end of the bottom plate 100.

[0037] A strip-shaped shaft 200 is fixed horizontally on the upper end of the bottom plate 100, and a blocking strip 300 is fixed on the side of the bottom plate 100 away from the strip-shaped shaft 200. The blocking strip 300 is placed coaxially with the strip-shaped shaft 200.

[0038] A first support 400 is rotatably connected to the strip-shaped shaft 200 by a first hinge 500. The first support 400 can be rotated towards the blocking strip 300 about the axis of the first hinge 500 to be parallel to the bottom plate 100.

[0039] The first support 400 is provided with a second hinge 501 at the end away from the strip-shaped shaft 200, and the first support 400 is rotatably connected with the second support 600 through the second hinge 501. The second support 600 can be rotated to be parallel to the first support 400. The upper end of the second support 600 is provided with a lifting frame 700, which can be adjusted in height along the plane of the second support 600.

[0040] The lower end of the second support 600 is provided with a connecting part for detachable connection with the bottom plate 100.

[0041] When the connecting part is connected with the bottom plate 100, the second support 600 is located between the blocking strip 300 and the strip-shaped shaft 200, and the second support 600 is placed in an inclined upward state from the end of the blocking strip 300 to the end of the strip-shaped shaft 200.

[0042] It should be noted that the planes of the first support 400 and the second support 600 are parallel to the strip-shaped shaft 200.

[0043] The first support 400 and the second support 600 on the trolley can form a foldable triangular backrest trolley for support, which is convenient to assemble and disassemble and effectively ensures the stability of the trolley. The triangular backrest provided on one side of the trolley can be folded, making transportation and carrying convenient.

[0044] In the use state, the connecting part is connected with the bottom plate 100, so that the second support 600 is placed in an inclined state. The board to be transported is placed on the bottom plate 100, and the board is inclined on the second support 600. The lower end of the board abuts against the blocking strip 300, and the roller part 101 is arranged to facilitate the transportation of the board. The lifting frame 700 is arranged to adjust the height between the lifting frame 700 and the bottom plate 100 according to the size of the board.

[0045] In the non-use state, the connecting part is detached from the bottom plate 100. The first support 400 can be rotated towards the blocking strip 300, and the second support 600 can be rotated and retracted towards the first support 400, so that the second support 600 is parallel to the first support 400. The first support 400 and the second support 600 are parallel to the bottom plate 100. In the non-use state, the trolley can be folded and stored to reduce the space occupied by the trolley. After folding, it is especially suitable for storing and stacking a large number of trolleys.

[0046] Preferably, the first hinge 500 is at least one first hinge, and the second hinge 501 is at least one second hinge. One side of the first hinge is fixed to the strip-shaped shaft 200, and the other side of the first hinge is fixed to the first support 400. One side of the second hinge is fixed to the first support 400, and the other side of the second hinge is fixed to the second support 600.

[0047] Preferably, the roller part 101 comprises universal wheels or rollers fixedly installed at the lower end of the bottom plate 100, and the roller part 101 can be driven by electricity or manually pushed to move.

[0048] Preferably, the four wheels arranged in a rectangular shape are arranged below the bottom plate 100, wherein the two wheels at either end of the moving direction of the trolley are rollers and are driven by a differential rear axle two-wheel drive, and the two wheels at the other end are universal wheels.

[0049] The connecting part comprises a pair of connecting strips 800 arranged along the axial direction of the strip-shaped shaft 200, the two connecting strips 800 are fixedly arranged on the two side surfaces of the second support 600 near the lower end, the bottom plate 100 is slidingly connected between the two connecting strips 800, the lower end side walls of the connecting strips 800 are in close contact with the side walls of the bottom plate 100, the first limiting holes 801 are formed in the upper ends of the connecting strips 800, the second limiting holes 102 are formed in the side walls of the bottom plate 100, the first limiting holes 801 and the second limiting holes 102 are coaxially arranged and connected by the first bolts 802, and when the first bolts 802 are screwed out of the first limiting holes 801 and the second limiting holes 102, the connecting strips 800 and the bottom plate 100 are separated.

[0050] A pair of symmetrical sliding cavities 601 are formed in the upper end of the second support 600, and when the second support 600 is vertically arranged with the bottom plate 100, the sliding cavities 601 are vertically upward.

[0051] The lifting frame 700 comprises a horizontal rod 701, and the horizontal rod 701 is arranged above the second support 600; a pair of symmetrical first sliding rods 702 are fixedly arranged at the lower end of the horizontal rod 701, and the two first sliding rods 702 are slidingly connected in the two sliding cavities 601, respectively.

[0052] The distance between the horizontal rod 701 and the upper end of the second support 600 is controlled and adjusted by adjusting the first sliding rods 702 along the sliding cavities, so as to be suitable for tilting and leaning on various plates of different sizes.

[0053] In order to lock the position of the lifting frame 700 after lifting adjustment, a third limiting hole 602 is formed in the side wall of any sliding cavity 601, and a plurality of fourth limiting holes 703 are arranged on the first sliding rod 702 along the axial direction.

[0054] Any fourth limiting hole 703 on the first sliding rod 702 can be coaxially aligned with the third limiting hole 602 of the corresponding sliding cavity 601, and is connected by the second bolt 704; after the adjustment of the lifting frame 700 is completed, the position thereof is locked.

[0055] The baffle 300 is fixed with a pad made of elastic material on the side close to the strip-shaped shaft 200; the pad can reduce the damage caused by the collision between the glass plate and the baffle 300 during transportation due to vibration, thereby improving the safety during the transportation of the fragile plate such as the glass plate.

[0056] Preferably, the pad is made of silica gel or rubber material.

[0057] The first support 400 is fixed with a horizontally placed telescopic handrail on the side away from the second support 600, and the length of the telescopic handrail can be adjusted in the horizontal direction; the telescopic handrail is arranged to facilitate the operator to hold the cart during transportation and carrying.

[0058] The telescopic handrail comprises a sleeve 900 with an open end, the sleeve 900 is coaxially arranged with the strip-shaped shaft 200, a second slide rod 901 is coaxially arranged and slidably connected in the sleeve 900, and a handle 902 is fixed on one end of the second slide rod 901 extending out of the open end of the sleeve 900; the second slide rod 901 and the sleeve 900 are slidably connected to control and adjust the length of the telescopic handrail.

[0059] In order not to affect the length adjustment of the telescopic handrail and at the same time lock the length after adjustment, two different embodiments are provided to solve the above problem;

[0060] In the first embodiment, the sleeve 900 is provided with at least one fifth limiting hole, the second slide rod 901 is provided with a plurality of sixth limiting holes 903, the plurality of sixth limiting holes 903 are arranged along the axis of the second slide rod 901, and at least one fifth limiting hole is connected with any sixth limiting hole 903 through a third bolt 904.

[0061] When there are a plurality of fifth limiting holes on the sleeve 900, the distance between adjacent fifth limiting holes is equal to the distance between adjacent sixth limiting holes 903.

[0062] In the drawings of the present application, the telescopic handrail adopts the first embodiment.

[0063] In the second embodiment, the cross section of the second slide rod 901 is circular, the outer thread is arranged on the wall of the second slide rod 901, and the matching inner thread is arranged on the inner wall of the sleeve 900; the length of the telescopic handrail is adjusted through the threaded connection.

[0064] Preferably, when the first support 400 is parallel to the bottom plate 100, the distance between the upper and lower ends of the telescopic handrail is L, the distance between the lowermost end of the roller part 101 and the lower end of the bottom plate 100 is M, and M is greater than or equal to L; when a plurality of carts are folded and stacked, the telescopic handrail of the lower cart can be placed in the area between the roller part 101 of the upper cart and the bottom plate 100.

[0065] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A trolley with highly scalable adjustment, comprising a bottom plate (100), a roller part (101) is installed at the lower end of the bottom plate (100), characterized in that: a horizontal strip-shaped shaft (200) is fixed at the upper end of the bottom plate (100), a blocking strip (300) is fixed at the side of the upper end of the bottom plate (100) away from the strip-shaped shaft (200), and the blocking strip (300) is coaxially placed with the strip-shaped shaft (200); a vertical first support (400) is rotationally connected to the upper end of the strip-shaped shaft (200) through a first hinge (500), and the first support (400) can rotate to the side of the blocking strip (300) to be parallel to the bottom plate (100) about the axis of the first hinge (500); a second hinge (501) is arranged at the end of the first support (400) away from the strip-shaped shaft (200), and a second support (600) is rotationally connected to the first support (400) through the second hinge (501), the second support (600) can be rotated to be parallel to the first support (400), and a lifting frame (700) is arranged at the upper end of the second support (600) and can be adjusted in lifting along the plane of the second support (600); a connecting part for detachable connection with the bottom plate (100) is arranged at the lower end of the second support (600); when the connecting part is connected with the bottom, the second support (600) is located between the blocking strip (300) and the strip-shaped shaft (200), and the second support (600) is placed in an inclined upward state from the end of the blocking strip (300) to the end of the strip-shaped shaft (200).

2. The stroller with high degree of scalable adjustment of claim 1, wherein, The connecting part comprises a pair of connecting strips (800) arranged along the axial direction of the strip-shaped shaft (200), the two connecting strips (800) are respectively fixed on the two side surfaces of the second support (600) near the lower end, the bottom plate (100) is slidingly connected between the two connecting strips (800), the side walls of the lower ends of the connecting strips (800) are matched with the side walls of the bottom plate (100), first limiting holes (801) are arranged on the connecting strips (800), second limiting holes (102) are arranged on the side walls of the bottom plate (100), the first limiting holes (801) and the second limiting holes (102) are coaxially arranged and connected by first bolts (802).

3. The stroller with highly scalable adjustment of claim 2, wherein, A pair of symmetrically arranged sliding cavities (601) are arranged at the upper end of the second support (600), when the second support (600) is vertically placed with the bottom plate (100), the sliding cavities (601) are vertically upwardly placed; the lifting frame (700) comprises a cross rod (701), the cross rod (701) is located above the second support (600), a pair of symmetrically arranged first sliding rods (702) are fixed at the lower end of the cross rod (701), and the two first sliding rods (702) are slidingly connected in the two sliding cavities (601) respectively.

4. The stroller with highly scalable adjustment of claim 3, wherein, A third limiting hole (602) is arranged on the side wall of any sliding cavity (601), and a plurality of fourth limiting holes (703) are arranged on the first sliding rod (702) along the axial direction; any fourth limiting hole (703) on the first sliding rod (702) can be coaxially aligned with the third limiting hole (602) of the corresponding sliding cavity (601), and connected by a second bolt (704).

5. The stroller with highly scalable adjustment of claim 4, wherein, The baffle strip (300) is fixed with a pad strip made of elastic material near one side of the strip-shaped shaft (200).

6. The stroller with highly scalable adjustment of claim 5, wherein, The first support (400) is fixed with a horizontally placed telescopic handrail on the side away from the second support (600), and the length of the telescopic handrail can be adjusted in the horizontal direction.

7. The stroller with highly scalable adjustment of claim 6, wherein, The telescopic handrail comprises a sleeve (900) with one end in an open shape, the sleeve (900) is coaxially placed with the strip-shaped shaft (200), a second sliding rod (901) is coaxially placed and slidably connected in the sleeve (900), and the second sliding rod (901) is fixed with a handle (902) at one end extending out of the open end of the sleeve (900).

8. The stroller with highly scalable adjustment of claim 7, wherein, The sleeve (900) is provided with at least one fifth limiting hole, the second sliding rod (901) is provided with a plurality of sixth limiting holes (903), the plurality of sixth limiting holes (903) are arranged along the axis direction of the second sliding rod (901), and at least one fifth limiting hole is connected with any sixth limiting hole (903) through a third bolt (904).

9. The stroller with high degree of scalable adjustment of claim 7, wherein, The cross section of the second sliding rod (901) is circular, the outer thread is arranged on the peripheral wall of the second sliding rod (901), and the inner thread is arranged on the inner peripheral wall of the sleeve (900).

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