Camping hand buggy

Abstract

The utility model provides a camping hand buggy which comprises a frame structure capable of being gathered together, the frame structure comprises vertical rods, a bottom face structure, a wheel assembly and a telescopic cross connecting rod structure, and the telescopic cross connecting rod structure is suitable for being unfolded and supported between the two vertical rods to form a side face structure. Comprising a first connecting end suitable for being connected to the top end of the vertical rod through a first transmission structure, the first transmission structure comprises a first rotating part, a first sliding part and a limiting plane formed on the top of the first transmission structure, the first rotating part and the first sliding part are relatively and fixedly connected, and the limiting plane is perpendicular to the first sliding part; the first connecting end is suitable for driving the first sliding part to be in reciprocating sliding fit with the vertical rod in the vertical direction. The cross connecting rod structure is connected to the top ends of the vertical rods through the first transmission structure, the size of the frame structure in the vertical direction after gathering can be reduced, the first transmission structure comprises the limiting plane, a regular structure defined by the four vertical rods can be formed, and storage and carrying are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of trolleys, in particular to a camping trolley. Background Art

[0002] The existing Chinese patent with application number 202221381124.5 discloses a camping cart, including a frame, a handle and four roller assemblies, the four roller assemblies are installed at the four corners of the bottom of the frame, the frame includes a frame body composed of four sides of a front wall, a rear wall and two side walls and a chassis assembly located at the bottom of the frame body; the side wall adopts an X-link, the upper and lower ends of the X-link are respectively rotatably connected with the upper and lower ends of the front wall and the rear wall; the chassis includes two bottom frames rotatably connected in the middle, and the front and rear ends of the chassis assembly are respectively rotatably connected with the lower part of the front wall and the rear wall; the rear wall is rotatably provided with a handle; the two ends of the bottom of the front wall are respectively detachably provided with two roller assemblies, and the two ends of the bottom of the rear wall are respectively fixed with two roller assemblies. In the above scheme, the cart is larger in size after folding, which is inconvenient to carry, especially in the vertical direction, the size is greatly enlarged compared with the unfolded state, and the ends are uneven, which is easy to cause damage to adjacent items during transportation. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the purpose of the present utility model is to provide a camping cart to meet the needs of users.

[0004] To achieve the above object, the utility model provides a camping cart, comprising a collapsible frame structure and a wheel assembly connected to the frame structure, wherein the wheel assembly comprises a wheel fork and a wheel mounted on the wheel fork, and the frame structure comprises

[0005] Four vertical poles are arranged in an array, and the axial direction of the vertical pole is defined as the vertical direction. A connecting seat is provided at the bottom end of the vertical pole.

[0006] The bottom surface structure includes a rotating hub and four bottom single rods suitable for and constituting an X-shaped structure, wherein the rotating hub is suitable for constituting an intersection of the X-shaped structure, and the axial ends of the bottom single rods are respectively hinged to the rotating hub and the bottom ends of the vertical rods.

[0007] A retractable cross-link structure, which is suitable for being unfolded and supported between the two uprights to form a side structure, comprises a first connecting end suitable for being connected to the top end of the upright through a first transmission structure, wherein:

[0008] The first transmission structure comprises a first rotating part and a first sliding part which are relatively fixedly connected and a limiting plane formed on the top thereof, wherein the limiting plane is arranged perpendicular to the first sliding part, the first connecting end is hinged to the first rotating part, and the first connecting end is suitable for driving the first sliding part to slide back and forth with the vertical rod in a vertical direction.

[0009] When the cross-link structure is unfolded, the limiting plane is suitable for abutting the first connecting end to prompt the cross-link structure to be unfolded into place; when the cross-link structure is folded, the limiting plane is suitable for being away from the vertical pole, and the first connecting end is not higher than the limiting plane.

[0010] As a preferred embodiment: it also includes a cloth cover, the cloth cover includes hanging parts arranged at its four corners, the hanging parts are detachably installed in the frame structure surrounded by the bottom structure and the side structure by being hung on the suspension column, the first transmission structure is sleeved on the top of the vertical pole, the limiting plane is provided with a mounting hole, one end of the suspension column is relatively fixedly arranged on the vertical pole through the mounting hole, and the other end of the suspension column is higher than the limiting plane.

[0011] Preferably, the rotating hub comprises four groups of bottom hinge seats suitable for connecting the bottom single rod and a masking plane suitable for covering the bottom hinge seats, and in the folded state, the masking plane is not higher than the limiting plane.

[0012] Preferably, the cross-link structure includes a first cross-link structure and a second cross-link structure, and the side structure includes a first side structure consisting of the vertical rod and the first cross-link structure and a second side structure consisting of the vertical rod and the second cross-link structure, wherein:

[0013] The first cross-link structure comprises two hinged first single rods, the top end of the first single rod is suitable for constituting the first connecting end, the lower end of the first single rod is suitable for constituting the second connecting end, the first single rod is divided into an upper section and a lower section at a hinge point, and the upper section is longer than the lower section;

[0014] The second cross-link structure includes two groups of symmetrically arranged cross structures, and the cross structure includes a hinged second single rod and a third single rod, the second single rod is longer than the third single rod, the top ends of the two second single rods are suitable for constituting the first connecting end, the bottom ends of the two second single rods are hinged, the bottom ends of the two third single rods are suitable for constituting the second connecting end, and the top ends of the two third single rods are hinged.

[0015] Preferably, the second connecting end is suitable for being connected to the bottom end of the vertical pole through a second transmission mechanism, the second transmission mechanism comprises a second transmission rod, a second rotating part and a second sliding part hinged at both ends of the second transmission rod, the second connecting end is hinged to the second rotating part, and when the cross-link structure is extended or retracted, the second connecting end is suitable for driving the second sliding part to slide back and forth with the vertical pole in a vertical direction.

[0016] Preferably, the second connecting end is suitable for being connected to the bottom end of the vertical pole through a third transmission structure, the third transmission structure comprises a third transmission rod, a third rotating part and a third sliding part which are relatively fixedly connected, one end of the third transmission rod is hinged to the vertical pole, the second connecting end is hinged to the third rotating part, and when the cross-link structure is extended or retracted, the second connecting end is suitable for driving the third sliding part to slide back and forth with the third transmission rod along its axial direction.

[0017] Preferably, the connecting seat comprises three groups of articulated seats, the third transmission rod and the bottom single rod are hinged to the articulated seats, in the first side structure, the other end of the third transmission rod is hinged to the upper section of the first single rod, and in the second side structure, the other end of the third transmission rod is hinged to the second single rod of the same group.

[0018] Preferably, the two third transmission structures are respectively connected to the front and rear sides of the side structure.

[0019] Preferably, the second connecting end is suitable for being connected to the bottom end of the vertical pole through a fourth transmission structure, the fourth transmission structure comprises a fourth linkage rod and a fourth transmission rod, the axial ends of the fourth linkage rod are suitable for hingedly connecting the second connecting end and the fourth transmission rod, and one end of the fourth transmission rod is hinged to the vertical pole.

[0020] Preferably, the connecting seat comprises three groups of articulated seats, the fourth transmission rod and the bottom single rod are hinged to the articulated seats, in the first side structure, the other end of the fourth transmission rod is hinged to the upper section of the first single rod, and in the second side structure, the other end of the fourth transmission rod is hinged to the second single rod of the same group.

[0021] As a preferred embodiment: it also includes a handle assembly, which includes a handle hub, a handle rod, and two handle connecting rods. The handle rod is slidably matched with the handle hub, and the handle rod includes a handle portion and a stop portion arranged at its axial ends. One end of the two handle connecting rods is hinged to the handle hub, and the other ends of the two handle connecting rods are rotatably connected to the connecting seat located on one of the first side structures through connecting joints, and the connecting seat is rotatably matched with the wheel fork around the axis of the vertical rod.

[0022] When the handle assembly is suitable for driving the frame structure to move, the handle rod slides to the stop portion to abut against the handle pivot, the two handle connecting rods are unfolded, and the handle assembly presents a Y-shaped structure.

[0023] When the frame structure is gathered, the handle assembly is brought together through the connecting joint and arranged parallel to the first side structure, the connecting seat is suitable for driving the two handle connecting rods to close, the handle rod slides until the handle part abuts the handle pivot, and the stop part does not exceed the wheel.

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

[0025] The cross-link structure is connected to the top of the vertical pole through the first transmission structure, which can reduce the vertical size of the frame structure after it is gathered. The first transmission structure includes a limiting plane, which can form a regular structure defined by four vertical poles, which is easy to store and carry, and the end is flat, avoiding safety hazards caused by sharp structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a camping cart provided in Example 1.

[0027] Figure 2 This is a schematic structural diagram of a camping cart provided in Example 1 (excluding the cloth cover).

[0028] Figure 3 This is a schematic diagram of a camping cart in a gathered state provided in Example 1.

[0029] Figure 4 This is a schematic structural diagram of the first cross-link structure provided in Example 1.

[0030] Figure 5 This is a schematic structural diagram of the second cross-link structure provided in Example 1.

[0031] Figure 6 This is a schematic structural diagram of the first cross-link structure provided in Example 2.

[0032] Figure 7 This is a schematic structural diagram of the second cross-link structure provided in Example 2.

[0033] In the figure, the vertical pole 101, the first single pole 102, the second single pole 103, the first connecting end 104, the second connecting end 105, the first transmission structure 106, the first rotating part 107, the first sliding part 108, the limiting plane 109, the rotating hub 110, the bottom single pole 111, the bottom hinge seat 112, the mask plane 113, the connecting seat 114, the third transmission structure 115, the third transmission rod 116, the third rotating part 117, the third sliding part 118, the hinge seat 119, the fourth linkage rod 121, the fourth transmission rod 122, the suspension column 123, the third single pole 124, the first side structure 125, the second side structure 126, the cover cloth 200, the hanging part 201, the wheel 301, the fork 302, the handle hub 401, the handle rod 402, the handle connecting rod 403, the handle part 404, the stop part 405, and the connecting joint 406. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0036] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0037] Example 1

[0038] like Figure 1-5 As shown, a camping cart comprises a gatherable frame structure, a cover cloth detachably mounted on the frame structure, a wheel assembly and a handle assembly, wherein the wheel assembly comprises a wheel fork 302 and a wheel 301 mounted on the wheel fork 302 .

[0039] The frame structure is enclosed by a bottom structure and a side structure, and the side structure is composed of an array of vertical poles 101 and a retractable cross-link structure supported between two vertical poles 101. The axial direction of the vertical pole 101 is defined as the vertical direction, and a connecting seat 114 is provided at the bottom end of the vertical pole 101, and the connecting seat 114 and the wheel fork 302 rotate around the axis of the vertical pole 101. The cross-link structure includes a first cross-link structure and a second cross-link structure, and the side structure includes a first side structure 125 composed of a vertical rod and the first cross-link structure and a second side structure 126 composed of a vertical rod and the second cross-link structure, wherein: the first cross-link structure includes two hinged first single rods 102, the top end of the first single rod 102 is suitable for constituting a first connecting end 104, the lower end of the first single rod 102 is suitable for constituting a second connecting end 105, and the first single rod 102 is divided into an upper section and a lower section at a hinge point, and the upper section is longer than the lower section; the second cross-link structure includes two groups of symmetrically arranged cross structures, the cross structure includes a hinged second single rod 103 and a third single rod 124, the second single rod 103 is longer than the third single rod 124, the top ends of the two second single rods 103 are suitable for constituting the first connecting end 104, the bottom ends of the two second single rods 103 are hinged, the bottom ends of the two third single rods 124 are suitable for constituting the second connecting end 105, and the top ends of the two third single rods 124 are hinged. The first connecting end 104 is suitable for being connected to the top of the vertical pole 101 through the first transmission structure 106. The first transmission structure 106 includes a first rotating part 107 and a first sliding part 108 that are relatively fixedly connected, and a limiting plane 109 formed on the top thereof. The limiting plane 109 is arranged perpendicular to the first sliding part 108. The first sliding part 108 is a cylindrical structure. The limiting plane 109 is suitable for closing one end of the first sliding part 108. The first connecting end 104 is hinged to the first rotating part 107. The first connecting end 104 is suitable for driving the first sliding part 108 to reciprocate and slide with the vertical pole 101 in a vertical direction. When the cross-link structure is unfolded, the limiting plane 109 is suitable for abutting the first connecting end 104 to prompt the cross-link structure to be unfolded in place. When the cross-link structure is folded, the limiting plane 109 is suitable for being away from the vertical pole 101, and the first connecting end 104 is not higher than the limiting plane 109.

[0040] In this embodiment, the bottom surface structure includes a rotating hub 110 and four bottom single rods 111 suitable for forming an X-shaped structure, the rotating hub 110 is suitable for forming the intersection of the X-shaped structure, the rotating hub 110 includes four groups of bottom hinge seats 112 and a masking plane 113 suitable for covering the bottom hinge seats 112, and the axial ends of the bottom single rod 111 are respectively hinged to the connecting seat 114 suitable for connecting the bottom single rod 111. When the frame structure is in the folded state, the masking plane 113 is not higher than the limiting plane 109.

[0041] In this embodiment, the second connecting end 105 is suitable for being connected to the bottom end of the vertical pole 101 through a fourth transmission structure. The fourth transmission structure includes a fourth connecting rod 121 and a fourth transmission rod 122. The axial ends of the fourth connecting rod 121 are suitable for hingedly connecting the second connecting end 105 and the fourth transmission rod 122. One end of the fourth transmission rod 122 is hinged to the vertical pole 101.

[0042] In this embodiment, the connecting seat 114 includes three groups of articulated seats 119, the fourth transmission rod 122 and the bottom single rod 111 are hinged to the articulated seats 119, in the first side structure 125, the other end of the fourth transmission rod 122 is hinged to the upper section of the first single rod 102, and in the second side structure 126, the other end of the fourth transmission rod 122 is hinged to the second single rod 103 of the same group.

[0043] In this embodiment, the cloth cover 200 includes hanging parts 201 arranged at its four corners. The hanging parts 201 are detachably installed in the frame structure enclosed by the bottom structure and the side structure by being hung on the suspension column 123. The first transmission structure 106 is mounted on the top of the vertical pole 101, and the limiting plane 109 is provided with a mounting hole. One end of the suspension column 123 is relatively fixedly arranged on the vertical pole 101 through the mounting hole, and the other end of the suspension column 123 is higher than the limiting plane 109.

[0044] In this embodiment, the handle assembly includes a handle hub 401, a handle rod 402, and two handle connecting rods 403. The handle rod 402 is slidably matched with the handle hub 401. The handle rod 402 includes a handle portion 404 and a stop portion 405 arranged at its axial ends. One end of the two handle connecting rods 403 is hinged to the handle hub 401, and the other end of the two handle connecting rods 403 is rotatably connected to the connecting seat 114 of one of the first side structures 125 through a connecting joint 406.

[0045] When the handle assembly is suitable for driving the frame structure to move, the handle rod 402 slides to the stop portion 405 to abut against the handle pivot 401, the two handle connecting rods 403 are unfolded, and the handle assembly is in a Y-shaped structure. When the frame structure is gathered, the handle assembly is brought together through the connecting joint 406 and arranged parallel to the first side structure 125, the connecting seat 114 is suitable for driving the two handle connecting rods 403 to close, the handle rod 402 slides to the handle portion 404 to abut against the handle pivot 401, and the stop portion 405 does not exceed the wheel 301.

[0046] Example 2

[0047] like Figure 6-7As shown, a camping cart is different from embodiment 1 in that the second connecting end 105 is suitable for connecting to the bottom end of the vertical pole 101 through the third transmission structure 115, and the two third transmission structures 115 are respectively connected to the front and rear sides of the same side structure. The third transmission structure 115 includes a third transmission rod 116, a third rotating part 117 and a third sliding part 118 that are relatively fixedly connected. One end of the third transmission rod 116 is hinged to the vertical pole 101, and the second connecting end 105 is hinged to the third rotating part 117. When the cross-link structure is extended or retracted, the second connecting end 105 is suitable for driving the third sliding part 118 to slide back and forth with the third transmission rod 116 along its axial direction. The connecting seat 114 includes three sets of articulated seats 119, and the third transmission rod 116 and the bottom single rod 111 are hinged to the articulated seats 119. In the first side structure 125 , the other end of the third transmission rod 116 is hinged to the upper section of the first single rod 102 , and in the second side structure 126 , the other end of the third transmission rod 116 is hinged to the second single rod 124 of the same group.

[0048] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A camping cart, comprising a collapsible frame structure and a wheel assembly connected to the frame structure, wherein the wheel assembly comprises a wheel fork and a wheel mounted on the wheel fork, wherein: The frame structure includes Four vertical poles are arranged in an array, and the axial direction of the vertical pole is defined as the vertical direction. A connecting seat is provided at the bottom end of the vertical pole. The bottom surface structure includes a rotating hub and four bottom single rods suitable for and constituting an X-shaped structure, wherein the rotating hub is suitable for constituting an intersection of the X-shaped structure, and the axial ends of the bottom single rods are respectively hinged to the rotating hub and the bottom ends of the vertical rods. A retractable cross-link structure, which is suitable for being unfolded and supported between the two uprights to form a side structure, comprises a first connecting end suitable for being connected to the top end of the upright through a first transmission structure, wherein: The first transmission structure comprises a first rotating part and a first sliding part which are relatively fixedly connected and a limiting plane formed on the top thereof, wherein the limiting plane is arranged perpendicular to the first sliding part, the first connecting end is hinged to the first rotating part, and the first connecting end is suitable for driving the first sliding part to slide back and forth with the vertical rod in a vertical direction. When the cross-link structure is unfolded, the limiting plane is suitable for abutting the first connecting end to prompt the cross-link structure to be unfolded into place; when the cross-link structure is folded, the limiting plane is suitable for being away from the vertical pole, and the first connecting end is not higher than the limiting plane.

2. A camping cart according to claim 1, characterized in that: It also includes a cloth cover, which includes hanging parts arranged at its four corners, and the hanging parts are detachably installed in the frame structure surrounded by the bottom structure and the side structure by being hung on the hanging column. The first transmission structure is sleeved on the top of the vertical pole, and the limiting plane is provided with a mounting hole. One end of the hanging column is relatively fixedly arranged on the vertical pole through the mounting hole, and the other end of the hanging column is higher than the limiting plane.

3. A camping cart according to claim 2, characterized in that: The rotating hinge comprises four groups of bottom hinge seats suitable for connecting the bottom single rod and a masking plane suitable for covering the bottom hinge seats. In the folded state, the masking plane is not higher than the limiting plane.

4. A camping cart according to any one of claims 1 to 3, characterized in that: The cross-link structure includes a first cross-link structure and a second cross-link structure, and the side structure includes a first side structure consisting of the vertical rod and the first cross-link structure and a second side structure consisting of the vertical rod and the second cross-link structure, wherein: The first cross-link structure comprises two hinged first single rods, the top end of the first single rod is suitable for constituting the first connecting end, the lower end of the first single rod is suitable for constituting the second connecting end, the first single rod is divided into an upper section and a lower section at a hinge point, and the upper section is longer than the lower section; The second cross-link structure includes two groups of symmetrically arranged cross structures, and the cross structure includes a hinged second single rod and a third single rod, the second single rod is longer than the third single rod, the top ends of the two second single rods are suitable for constituting the first connecting end, the bottom ends of the two second single rods are hinged, the bottom ends of the two third single rods are suitable for constituting the second connecting end, and the top ends of the two third single rods are hinged.

5. A camping cart according to claim 4, characterized in that: The second connecting end is suitable for being connected to the bottom end of the vertical pole through a second transmission mechanism, the second transmission mechanism includes a second transmission rod, a second rotating part and a second sliding part hinged at both ends of the second transmission rod, the second connecting end is hinged to the second rotating part, and when the cross-link structure is extended or retracted, the second connecting end is suitable for driving the second sliding part to slide back and forth with the vertical pole in a vertical direction.

6. A camping cart according to claim 4, characterized in that: The second connecting end is suitable for being connected to the bottom end of the vertical pole through a third transmission structure, and the third transmission structure includes a third transmission rod, a third rotating part and a third sliding part that are relatively fixedly connected. One end of the third transmission rod is hinged to the vertical pole, and the second connecting end is hinged to the third rotating part. When the cross-link structure is extended or retracted, the second connecting end is suitable for driving the third sliding part to slide back and forth with the third transmission rod along its axial direction.

7. A camping cart according to claim 6, characterized in that: The connecting seat includes three groups of articulated seats, the third transmission rod and the bottom single rod are hinged to the articulated seats, in the first side structure, the other end of the third transmission rod is hinged to the upper section of the first single rod, and in the second side structure, the other end of the third transmission rod is hinged to the second single rod of the same group.

8. A camping cart according to claim 4, characterized in that: The second connecting end is suitable for being connected to the bottom end of the vertical pole through a fourth transmission structure, and the fourth transmission structure includes a fourth linkage rod and a fourth transmission rod. The axial ends of the fourth linkage rod are suitable for hingedly connecting the second connecting end and the fourth transmission rod, and one end of the fourth transmission rod is hinged to the vertical pole.

9. A camping cart according to claim 8, characterized in that: The connecting seat includes three groups of articulated seats, the fourth transmission rod and the bottom single rod are hinged to the articulated seats, in the first side structure, the other end of the fourth transmission rod is hinged to the upper section of the first single rod, and in the second side structure, the other end of the fourth transmission rod is hinged to the second single rod of the same group.

10. A camping cart according to claim 4, characterized in that: It also includes a handle assembly, which includes a handle hub, a handle rod, and two handle connecting rods. The handle rod is slidably matched with the handle hub. The handle rod includes a handle portion and a stop portion arranged at both ends of its axial direction. One end of the two handle connecting rods is hinged to the handle hub, and the other ends of the two handle connecting rods are rotatably connected to the connecting seat located on one of the first side structures through connecting joints. The connecting seat and the wheel fork are rotatably matched around the axis of the vertical rod. When the handle assembly is suitable for driving the frame structure to move, the handle rod slides to the stop portion to abut against the handle pivot, the two handle connecting rods are unfolded, and the handle assembly is in a Y-shaped structure. When the frame structure is gathered, the handle assembly is brought together through the connecting joint and arranged parallel to the first side structure, the connecting seat is suitable for driving the two handle connecting rods to close, the handle rod slides until the handle part abuts the handle pivot, and the stop part does not exceed the wheel.

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