Locking structure of a folding standpipe

CN224916087UActive Publication Date: 2026-10-30TAICANG SHENGFENG PRECISION HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202522547744.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-01
Publication Date
2026-10-30
Estimated Expiration
2035-12-01

AI Technical Summary

Benefits of technology

1、通过扳手的转动带动锁紧件从上主体和下主体的凹台的抵接与远离,从而实现更加便捷快速的锁紧或者解锁,提高折叠立管的折叠效率;

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Abstract

The utility model relates to a locking structure of folding vertical pipe, including upper main body and lower main body, upper main body and lower main body are through the connecting part in the same side and are set up the pivot activity connection of inside wearing, the pivot is set up and wears the wrench, make the wrench with pivot as the center of rotation, the wrench is set up and wears the through -hole of pivot, this through -hole is eccentric and is set up, the side of the wrench towards upper main body and lower main body is connected locking piece through transmission block, the side of upper main body and lower main body in towards locking piece is respectively set up with the recess of locking piece outer edge adaptation, the utility model, through the rotation of wrench drives locking piece from the recess of upper main body and lower main body and is away from the abutment, to realize more convenient and fast locking or unlocking.
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Description

Technical Field

[0001] This utility model belongs to the field of electric vehicle folding technology, and in particular relates to a locking structure for a folding upright tube. Background Technology

[0002] With the popularization of electric vehicles, electric vehicles have gradually entered people's lives due to their environmental protection, speed and convenience. As the usage of electric vehicles increases, the requirements for electric vehicles are also becoming more complicated. Among them, portability is one of the demands of many users. Therefore, foldable electric vehicles have become a hot product. Currently, there are many types of locking structures for the folding stems of electric bicycles. However, simple locking methods are prone to insecure locking, and external factors may cause the locking to fail, leading to the stem folding when it should not, thus creating a safety hazard. More complex locking methods, due to their intricate structure and numerous components, are susceptible to aging and loosening over time, making accidental unlocking or difficulty in easily locking and unlocking the stem, causing inconvenience to users. Therefore, a solution is needed to address these issues.

[0003] It should be noted that the above content falls within the inventor's technical knowledge and does not necessarily constitute prior art. Utility Model Content

[0004] To address the aforementioned problems, the purpose of this utility model is to provide a locking structure for a folding upright tube that uses the eccentric hole of a wrench in conjunction with a semi-circular locking component to lock the upper and lower main bodies, eliminating the weak locking force caused by too few components and the easy aging and failure caused by too many components.

[0005] To achieve the above objectives, this utility model proposes a locking structure for a folding upright tube, comprising an upper body and a lower body. The upper body and the lower body are movably connected by a rotating shaft passing through a connecting part on the same side. A wrench is mounted on the rotating shaft, allowing the wrench to rotate around the rotating shaft. The wrench has a through hole for the rotating shaft to pass through, and the through hole is eccentrically positioned. The side of the wrench facing the upper body and the lower body is connected to a locking member via a transmission block. The upper body and the lower body each have a recessed platform on the side facing the locking member that matches the outer edge of the locking member.

[0006] In one example, the recesses are spaced apart along the inner diameter of the upper and lower bodies, and the recesses are recessed on the side facing the locking member and are adapted to the outer edge of the locking member.

[0007] In one example, one end of the transmission block near the locking member is connected to the locking member via an elastic element that passes through the locking member, and the other end of the elastic element passes through the locking member and abuts against the inner wall of the lower body.

[0008] In one example, a push block is movably disposed on the side of the middle section of the wrench away from the lower body. The push block passes through the wrench connecting block. The lower end face of the push block is connected to the wrench through an elastic connector. Pushing the push block toward the elastic connector causes the block to move along with it, causing the elastic connector to contract and store energy. Releasing the push block releases the potential energy of the elastic connector, thereby resetting the push block.

[0009] In one example, the lower body is horizontally fitted with a locking post on one side facing the wrench. The locking post is arranged in a horizontal T-shape, with the head of the T-shape facing the wrench. The wrench has a groove on one side corresponding to the locking post that is adapted to the locking post.

[0010] In one example, the upper body is arranged in a C-shape.

[0011] In one example, a vertical pipe is fitted onto the lower end face of the lower body.

[0012] In one example, the width of the tail of the wrench is greater than the width of the head of the wrench.

[0013] The beneficial effects of the locking structure for the folding riser described in this utility model are as follows: 1. By rotating the wrench, the locking parts move from the contact and away from the recesses of the upper and lower main bodies, thereby achieving more convenient and faster locking or unlocking and improving the folding efficiency of the folding riser. 2. By setting recessed platforms in the upper and lower main bodies to cooperate with locking components, the stability of the locking structure is improved and the reliability of the folding riser is enhanced; 3. The locking design, consisting of a locking pin and a stop on the wrench, improves the safety of the folding riser, prevents the failure of a certain locking structure from significantly affecting the locking function of the entire locking structure, and also prevents accidental unlocking. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the locking structure of a folding riser proposed in this utility model.

[0015] Figure 2 This is a schematic diagram of the upper body of a locking structure for a folding riser proposed in this utility model.

[0016] Figure 3 This is a schematic diagram of the lower main body of a locking structure for a folding riser proposed in this utility model.

[0017] Figure 4 This is a side view of a wrench for a locking structure of a folding riser proposed in this utility model.

[0018] Figure 5 This is a schematic diagram of the locking component connecting wrench of the locking structure of the folding riser proposed in this utility model.

[0019] Figure 6 This is a schematic diagram of the locking component and the internal structure of the lower body of a locking structure for a folding riser proposed in this utility model.

[0020] Figure 7 This is an exploded view of a locking structure for a folding riser proposed in this utility model.

[0021] Figure 8 This is a cross-sectional view of a locking structure for a folding riser proposed in this utility model. Detailed Implementation

[0022] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0023] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "a solution," "some solutions," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that solution or example is included in at least one solution or example of this invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same solution or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more solutions or examples.

[0027] like Figures 1 to 8 As shown, an embodiment of this utility model proposes a locking structure for a folding riser 7, including an upper body 1 and a lower body 2. The upper body 1 and the lower body 2 are movably connected by a rotating shaft 4 passing through a connecting part 3 on the same side. A wrench 5 passes through the rotating shaft 4, causing the wrench 5 to rotate around the rotating shaft 4. The wrench 5 has a through hole 51 for the rotating shaft 4 to pass through. The through hole 51 is eccentrically set. The side of the wrench 5 facing the upper body 1 and the lower body 2 is connected to a locking member 53 through a transmission block 52. The upper body 1 and the lower body 2 are respectively provided with a recess 6 that matches the outer edge of the locking member 53 on the side facing the locking member 53. When the wrench 5 is locked, the transmission block 52 drives the locking member 53 to move away from the side of the wrench 5. At the same time, the outer edge of the locking member 53 is engaged in the corresponding recess 6 in the upper body 1 and the lower body 2, thereby completing the locking.

[0028] Specifically, the recessed platforms 6 are arranged at intervals along the inner diameter of the upper body 1 and the lower body 2. The side of the recessed platform 6 facing the locking member 53 is recessed and is adapted to the outer edge of the locking member 53.

[0029] Specifically, the end of the transmission block 52 near the locking member 53 is connected to the locking member 53 through the elastic member 54 that passes through the locking member 53, and the other end of the elastic member 54 passes through the locking member 53 and abuts against the inner wall of the lower body 2.

[0030] Specifically, a push block 55 is movably provided on the side of the middle section of the wrench 5 away from the lower body 2. The push block 55 passes through the wrench 5 and connects to the stop block 56. The lower end face of the push block 55 is connected to the wrench 5 through the elastic connector 57. Pushing the push block 55 moves it toward the elastic connector 57, causing the stop block 56 to move together, causing the elastic connector 57 to contract and store energy. Releasing the push block 55 releases the potential energy of the elastic connector 57, thus allowing the push block 55 to return to its original position.

[0031] Specifically, a locking post 21 is horizontally embedded on one side of the lower body 2 facing the wrench 5. The locking post 21 is arranged in a horizontal T-shape, with the head of the T-shape facing the wrench 5. The wrench 5 has a groove 58 on one side corresponding to the locking post 21. When the wrench 5 rotates towards the lower body 2, the end of the locking post 21 is engaged in the corresponding groove 58, pushing the push block 55 to move towards the elastic connector 57, causing the stop block 56 to move as well. This causes the elastic connector 57 to contract and store energy, while the stop block 56 moves away from the groove 58, allowing the locking post 21 to be smoothly engaged in the groove 58. Then, the push block 55 is released, causing the elastic connector 57 to release its potential energy, causing the stop block 56 to reset and abut against the locking post 21, thus completing the locking.

[0032] Specifically, the upper body 1 is C-shaped and is closed by fastening bolts on both sides of the gap. This not only increases the size of the tubular parts that the upper body 1 can accommodate, but also adjusts the connection strength between the upper body 1 and the accommodating tubular parts.

[0033] Specifically, the lower end face of the lower body 2 is fitted with a riser 7.

[0034] Specifically, the width of the tail of the wrench 5 is greater than that of the head of the wrench 5, making it easier for the user to hold and apply force, thus improving operability.

[0035] Working principle: When locking, push the push block to move towards the elastic connector, causing the stop block to move as well. This causes the elastic connector to contract and store energy, while the stop block moves away from the groove. Then, pull the upper body and lower body together to engage. At the same time, rotate the wrench to rotate it towards the lower body, allowing the locking pin to engage in the groove. Then, release the push block to release the potential energy of the elastic connector, causing the stop block to reset and abut against the locking pin, completing the locking. At the same time, due to the eccentric principle, the wrench drives the transmission block to push the locking component towards the recess, causing the locking component to engage in the recess of the upper and lower bodies, thus achieving the interlocking of the recesses of the upper and lower bodies and completing the locking. When unlocking, push the push block to move the stop away from the locking post to complete the first unlocking. Then turn the wrench to disengage the locking part from the recess, and finally pull the upper body to complete the separation and folding.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A locking structure for a folding riser, characterized in that: The device includes an upper body and a lower body. The upper body and the lower body are movably connected by a pivot shaft passing through a connecting part on the same side. A wrench is mounted on the pivot shaft, allowing the wrench to rotate around the pivot shaft. The wrench has a through hole for the pivot shaft to pass through, and the through hole is eccentrically positioned. The side of the wrench facing the upper body and the lower body is connected to a locking member via a transmission block. The upper body and the lower body each have a recessed platform on the side facing the locking member that matches the outer edge of the locking member.

2. The locking structure for a folding riser according to claim 1, characterized in that: The recessed platforms are arranged at intervals along the inner diameter of the upper body and the lower body. The side of the recessed platform facing the locking member is recessed and is adapted to the outer edge of the locking member.

3. The locking structure for a folding riser according to claim 1, characterized in that: The transmission block is connected to the locking member at one end near the locking member via an elastic element that passes through the locking member, and the other end of the elastic element passes through the locking member and abuts against the inner wall of the lower body.

4. The locking structure for a folding riser according to claim 1, characterized in that: A push block is movably disposed on the side of the middle section of the wrench away from the lower body. The push block passes through the wrench connecting block. The lower end face of the push block is connected to the wrench through an elastic connector. Pushing the push block toward the elastic connector causes the block to move along with it, causing the elastic connector to contract and store energy. Releasing the push block releases the potential energy of the elastic connector, thus allowing the push block to reset.

5. The locking structure for a folding riser according to claim 4, characterized in that: The lower body is horizontally fitted with a locking post on one side facing the wrench. The locking post is arranged in a horizontal T-shape, with the head of the T-shape facing the wrench. The wrench has a groove on one side corresponding to the locking post that is adapted to the locking post.

6. The locking structure for a folding riser according to claim 1, characterized in that: The upper body is arranged in a C-shape.

7. The locking structure for a folding riser according to claim 1, characterized in that: A vertical pipe is fitted onto the lower end face of the lower body.

8. The locking structure for a folding riser according to claim 1, characterized in that: The width of the tail of the wrench is greater than that of the head of the wrench.