Outdoor cart roller inserting and pulling structure

Abstract

The utility model discloses an outdoor cart roller inserting and pulling structure, which relates to the field of carts, and adopts the technical scheme that the outdoor cart roller inserting and pulling structure comprises a positioning block and a roller seat, the positioning block is used for being fixed with a frame, and the roller seat is provided with a roller; an inserting hole is formed in the lower end face of the positioning block, a positioning window is formed in the side wall of the inserting hole, the positioning block is provided with a cam buckle corresponding to the positioning window, and when the cam buckle rotates, a protruding part of the cam buckle penetrates through the positioning window and extends into the inserting hole; the wheel seat is upwards provided with an inserting rod, and the side wall of the inserting rod is provided with a positioning groove corresponding to the positioning window. The rolling wheels can be conveniently and rapidly assembled and disassembled with a vehicle body, storage and folding are facilitated, the overall structure is simple, reliable and durable, and the cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of trolley, in particular to an outdoor trolley roller plug structure. BACKGROUND

[0002] At present, in order to portability, outdoor trolley usually adopts the design idea of deformation and folding, and each part structure can realize disassembly and folding, such as the patent document disclosed in the patent document with the announcement number CN222247260, the multiple parts of the frame can realize disassembly and assembly, and the occupied space is very small when being stored, but there are still some problems in the specific use after use, such as the connection of the positioning block and the universal wheel cannot realize disassembly, and compared with the frame after disassembly, the occupied space is larger, and if disassembly is not realized, the space utilization rate will be seriously restricted. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model provides an outdoor trolley roller plug structure, which can realize the assembly and disassembly of the roller with the vehicle body conveniently and quickly, is more conducive to storage and folding, has simple and reliable overall structure, is durable and has lower cost.

[0004] The utility model discloses a technical scheme that solves technical problems: an outdoor trolley roller plug structure, including positioning block and wheel seat, the positioning block is used for with frame fixed, the wheel seat is provided with the roller,

[0005] The lower end surface of the positioning block is provided with a plug hole, the side wall of the plug hole is provided with a positioning window, the positioning block is provided with a cam buckle corresponding to the positioning window, when the cam buckle rotates, the protruding part of the cam buckle extends into the plug hole through the positioning window,

[0006] The wheel seat is provided with a plug rod upwards, and the side wall of the plug rod is provided with a positioning groove corresponding to the positioning window.

[0007] When the wheel seat and the positioning block need to be assembled, rotate the cam buckle so that the protruding part is away from the plug hole, then insert the plug rod into the plug hole upwards, and align the positioning groove with the positioning window, then rotate the cam buckle so that the protruding part of the cam buckle rotates into the positioning groove, thereby the plug rod cannot slide axially in the plug hole, and the assembly of the plug rod and the plug hole is realized.

[0008] Preferably, the cam buckle is provided with a pressing arm. The rotation of the cam buckle can be easily controlled by the pressing arm.

[0009] Preferably, when the protruding part of the cam buckle is located in the plug hole, the pressing arm is attached to the outer wall of the plug hole downwards. Avoiding the interference caused by the lifting to the outside.

[0010] Preferably, the insertion rod is limited in circumference relative to the insertion hole. Avoiding the insertion rod rotating in circumference.

[0011] Preferably, the insertion rod is a flat shaft, and the insertion hole is a flat hole matched with the insertion rod. With the design of flat shaft and flat hole, the insertion rod can be avoided from rotating.

[0012] Preferably, the insertion rod is a round shaft, and the positioning groove is arranged around the periphery of the insertion rod. The insertion rod can be rotated so that the whole roller rotates around the insertion rod for steering.

[0013] Preferably, the positioning window is an arc-bottom groove arranged on the outer wall of the insertion hole, the bottom of the arc-bottom groove penetrates the side wall of the insertion hole, and the axis of the cam buckle is coaxially arranged with the arc-bottom groove. With the arc-bottom groove, the protruding part can be extended into the insertion hole during the rotation of the cam buckle.

[0014] Preferably, the side wall of the positioning window is provided with a clamping hole, the side wall of the cam buckle is provided with a protrusion corresponding to the clamping hole, and when the protruding part of the cam buckle is extended into the insertion hole, the clamping hole (10) is matched with the protrusion. It is convenient to keep the state of locking the cam buckle.

[0015] The beneficial effects of the present application are as follows:

[0016] Through the present scheme, the roller can be conveniently and quickly assembled and disassembled with the vehicle body, which is more conducive to storage and folding, the overall structure is simple, reliable and durable, and the cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only four drawings of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The drawings are schematic views of the embodiments of the present application;

[0019] Figure 2 The drawings are schematic views of the embodiments of the present application;

[0020] Figure 3 The drawings are schematic views of the embodiments of the present application;

[0021] Figure 4 The drawings are schematic views of the embodiments of the present application;

[0022] Wherein, 1, frame; 2, positioning block; 3, wheel seat; 4, roller; 5, cam buckle; 6, pressing arm; 7, positioning window; 8, positioning groove; 9, insertion hole; 10, clamping hole; 11, protrusion. DETAILED DESCRIPTION

[0023] In order to deepen the understanding of the utility model, the utility model will be further described in detail below in conjunction with the drawings and examples, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0024] Example 1

[0025] As Figure 1 shown, an outdoor trolley roller plug structure includes a positioning block 2 and a wheel seat 3, the positioning block 2 is used to be fixed with a frame 1, and the wheel seat 3 is provided with a roller 4.

[0026] The lower end surface of the positioning block 2 is provided with an insertion hole 9, the side wall of the insertion hole 9 is provided with a positioning window 7, the positioning block 2 is provided with a cam buckle 5 corresponding to the positioning window 7, when the cam buckle 5 rotates, the protruding part of the cam buckle 5 extends into the insertion hole 9 through the positioning window 7.

[0027] The wheel seat 3 is provided with an insertion rod upwardly, and the side wall of the insertion rod is provided with a positioning groove 8 corresponding to the positioning window 7.

[0028] When the wheel seat 3 and the positioning block 2 need to be assembled, the cam buckle 5 is rotated so that the protruding part thereof is away from the insertion hole 9, then the insertion rod is inserted into the insertion hole 9 upwardly, and the positioning groove 8 is aligned with the positioning window 7, then the cam buckle 5 is rotated so that the protruding part of the cam buckle 5 is rotated into the positioning groove 8, thus the insertion rod cannot slide axially in the insertion hole 9, and the assembly of the insertion rod and the insertion hole 9 is realized.

[0029] The cam buckle 5 is provided with a pressing arm 6. The rotation of the cam buckle 5 can be conveniently controlled through the pressing arm 6.

[0030] When the protruding part of the cam buckle 5 is located in the insertion hole 9, the pressing arm 6 is attached to the outer wall of the insertion hole 9 downwardly. The interference caused to the outside by the lifting is avoided.

[0031] The insertion rod is a round shaft, and the positioning groove 8 is arranged around the periphery of the insertion rod. The rotation of the insertion rod can be realized, so that the whole roller rotates around the insertion rod, and the steering is facilitated.

[0032] The positioning window 7 is an arc-bottom groove arranged on the outer wall of the insertion hole 9, the bottom of the arc-bottom groove penetrates the side wall of the insertion hole 9, and the axis line of the cam buckle 5 is coaxially arranged with the arc-bottom groove. The arc-bottom groove can facilitate the extension of the protruding part into the insertion hole 9 in the process of the rotation of the cam buckle 5.

[0033] The side wall of the positioning window 7 is provided with a clamping hole 10, the side wall of the cam buckle 5 is provided with a protrusion 11 corresponding to the clamping hole 10, and the clamping hole 10 and the protrusion 11 are matched when the protruding part of the cam buckle 5 extends to the insertion hole 9. It is convenient to keep the state of locking the cam buckle 5.

[0034] The utility model discloses the beneficial effects of:

[0035] Through the scheme, the roller 4 can be conveniently and quickly assembled and disassembled with the vehicle body, is more favorable to storage and folding, the overall structure is simple, reliable and durable, and the cost is lower.

[0036] Example 2

[0037] Compared with example 1, example 2 further includes the following differences: the insertion rod is circumferentially limited relative to the insertion hole 9. Avoiding the circumferential rotation of the insertion rod. The insertion rod is a flat shaft, and the insertion hole 9 is a flat hole matched with the insertion rod. The design of flat shaft and flat hole can avoid the rotation of the insertion rod.

[0038] In actual production, the front wheel is steerable (example 1), and the rear wheel is non-steerable (example 2).

[0039] The technical features of the above examples can be combined arbitrarily, and in order to make the description simple, not all possible combinations of the technical features in the above examples are described, however, as long as the combination of these technical features does not exist contradictory, it should be considered that it is within the scope of the description.

[0040] The above-described examples only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An outdoor stroller roller plug structure, comprising a positioning block (2) and a wheel seat (3), the positioning block (2) is used to be fixed with a frame (1), the wheel seat (3) is provided with a roller (4); characterized in that, the lower end surface of the positioning block (2) is provided with a plug hole (9), the side wall of the plug hole (9) is provided with a positioning window (7), the positioning block (2) is provided with a cam buckle (5) corresponding to the positioning window (7), when the cam buckle (5) rotates, the protruding part of the cam buckle (5) extends into the plug hole (9) through the positioning window (7); the wheel seat (3) is provided with a plug rod upward, the side wall of the plug rod is provided with a positioning groove (8) corresponding to the positioning window (7).

2. An outdoor stroller wheel plug structure according to claim 1, wherein: The cam buckle (5) is provided with a pressing arm (6).

3. An outdoor stroller wheel plug structure according to claim 2, wherein: When the protruding part of the cam buckle (5) is located in the plug hole (9), the pressing arm (6) is attached to the outer wall of the plug hole (9) downward.

4. An outdoor stroller wheel plug structure according to claim 1, wherein: The plug rod is limited relative to the circumference of the plug hole (9).

5. An outdoor stroller wheel plug-in structure according to claim 3, characterized in that: The plug rod is a flat shaft, and the plug hole (9) is a flat hole matched with the plug rod.

6. An outdoor stroller wheel plug-in structure according to claim 1, wherein: The plug rod is a round shaft, and the positioning groove (8) is arranged around the periphery of the plug rod.

7. An outdoor stroller wheel plug-in structure according to claim 1, wherein: The positioning window (7) is an arc bottom groove arranged on the outer wall of the plug hole (9), the bottom of the arc bottom groove penetrates the side wall of the plug hole (9), and the axis of the cam buckle (5) is coaxially arranged with the arc bottom groove.

8. An outdoor stroller wheel plug-in structure according to claim 1, wherein: The side wall of the positioning window (7) is provided with a clamping hole (10), the side wall of the cam buckle (5) is provided with a protrusion (11) corresponding to the clamping hole (10), when the protruding part of the cam buckle (5) extends into the plug hole (9), the clamping hole (10) is matched with the protrusion (11). The plug rod is a flat shaft, and the plug hole (9) is a flat hole matched with the plug rod. The plug rod is a round shaft, and the positioning groove (8) is arranged around the periphery of the plug rod. The positioning window (7) is an arc bottom groove arranged on the outer wall of the plug hole (9), the bottom of the arc bottom groove penetrates the side wall of the plug hole (9), and the axis of the cam buckle (5) is coaxially arranged with the arc bottom groove. The side wall of the positioning window (7) is provided with a clamping hole (10), the side wall of the cam buckle (5) is provided with a protrusion (11) corresponding to the clamping hole (10), when the protruding part of the cam buckle (5) extends into the plug hole (9), the clamping hole (10) is matched with the protrusion (11).

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