Adjustable belt hook claw structure
By designing an adjustable belt hook structure and using adjustment and fixing devices to connect the hook body to the adjustment plate, the problem of low hook versatility is solved, and the adaptability and stability of the hook are improved.
Patent Information
- Application Number
- CN202520381523.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The drop pawl has low versatility and cannot adapt to different types of rear wheel transmission systems, which means that drop pawls need to be designed with different structures.
An adjustable belt hook structure is designed. The hook body and the adjustment plate are adjustable through the adjustment device and the fixing device. The adjustment plate is provided with a rear axle mounting groove. The fixing device is used to lock the adjustment plate and the hook body for positioning, so as to realize the position adjustment and fixation of the rear axle mounting groove.
It improves the versatility and stability of the hook, enabling it to adapt to different types of rear wheel transmission systems and achieve adjustable and stable fixation of the rear axle mounting slot.
Smart Images

Figure CN223803719U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hook claw technical field especially relates to adjustable belt hook claw structure. BACKGROUND
[0002] The hook claw is the core component of the bicycle (electric power-assisted bicycle) frame, and the bicycle or electric bicycle has an upper fork and a lower fork, the upper fork and the lower fork are connected through the hook claw, the hook claw is used for installing the rear axle of the bicycle, the rear axle is used for installing the rear wheel rim, and the rear axle and the middle axle are connected through the transmission chain or the transmission belt.
[0003] However, the types of rear wheels (transmission systems) are various, such as external speed change, internal speed change, single speed and the like, and the hook claws are different in collocation, so different hook claws need to be designed, that is, the generality of the hook claw is low.
[0004] Therefore, the application provides an adjustable belt hook claw structure to improve the generality of the hook claw. SUMMARY
[0005] In view of the problems in the prior art, the application discloses an adjustable belt hook claw structure, which can adjust the rear axle mounting groove accordingly, improves the generality of the hook claw, and solves the problem of low generality of the hook claw.
[0006] To achieve the above object, the application provides the following technical scheme:
[0007] An adjustable belt hook claw structure, comprising a hook claw body, the hook claw body is adjustably connected with an adjusting plate through an adjusting device, a rear axle mounting groove is arranged on the adjusting plate, a fixing device is further arranged between the hook claw body and the adjusting plate, and the fixing device locks the adjusting plate and the hook claw body to realize positioning after the adjusting plate is adjusted in place relative to the hook claw body through the adjusting device.
[0008] As a further scheme of the application, the adjusting device comprises a waist-shaped adjusting hole, the adjusting hole is matched with an adjusting rod, the adjusting rod can be inserted into the adjusting hole to move for position adjustment, the adjusting hole is arranged on the hook claw body, and the adjusting rod is fixedly arranged on the adjusting plate.
[0009] As a further scheme of the application, the adjusting hole is horizontally arranged.
[0010] As a further scheme of the application, the adjusting device comprises two adjusting holes arranged in parallel and offset, and the adjusting plate is matched with two adjusting rods at the corresponding positions.
[0011] As a further scheme of the present application, the fixing device comprises a threaded hole, a matched screw rod and a nut, the threaded hole is arranged in the center of the adjusting rod, the outer side of the screw rod is provided with an outer thread matched with the threaded hole, the top of the screw rod is provided with the nut, the screw rod is screwed into the threaded hole, and the nut is locked and fixed with the adjusting plate on both sides of the adjusting hole.
[0012] As a further scheme of the present application, the adjusting hole is provided with a sink groove capable of accommodating the nut around the side of the nut fastening.
[0013] As a further scheme of the present application, the fixing device further comprises a retreat stop screw, the adjusting hole is provided with a retreat stop hole on the vehicle advancing side, the retreat stop hole is connected with the retreat stop screw through a thread, the retreat stop screw is screwed into the retreat stop hole, the inner end of the retreat stop screw enters the inside of the adjusting hole and is connected with the adjusting rod in abutment, and the retreat stop screw prevents the adjusting rod from moving to the vehicle advancing side.
[0014] In summary, the present application has the following beneficial effects:
[0015] 1. The adjustable belt hook structure, the hook body is adjustably connected with the adjusting plate through the adjusting device, the adjusting plate is provided with a rear axle mounting groove, and the fixing device is further arranged between the hook body and the adjusting plate, after the adjusting plate is adjusted in place relative to the hook body through the adjusting device, the fixing device locks the adjusting plate and the hook body to realize positioning, the rear axle mounting groove can be adaptively adjusted in position relying on the adjustable connection between the adjusting plate and the hook body, the position is locked and fixed by the fixing device, the position of the hook rear axle mounting groove is adjusted, and the universality of the hook is improved.
[0016] 2. The fixing device further comprises a retreat stop screw and a retreat stop hole, the adjusting hole is provided with the retreat stop hole on the vehicle advancing side, the retreat stop hole is connected with the retreat stop screw through a thread, the retreat stop screw is screwed into the retreat stop hole, the inner end of the retreat stop screw enters the inside of the adjusting hole and is connected with the adjusting rod in abutment, the retreat stop screw prevents the adjusting rod from moving to the vehicle advancing side, the rear axle mounting groove is further fixed, and the stability of the hook is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, which is used to explain the present application together with the embodiments of the present application, and do not constitute a limitation to the present application.
[0018] In the drawings:
[0019] Fig. 1 It is a structural schematic view of the adjustable belt hook structure of the present application.
[0020] Fig. 2 It is an exploded structural schematic view of the adjustable belt hook structure of the present application.
[0021] Reference signs annotations:
[0022] 1, hook body; 2, adjusting plate; 3, rear axle mounting groove; 41, adjusting hole; 42, adjusting rod; 51, threaded hole; 52, screw; 53, nut; 54, sink groove; 55, stop screw; 56, stop hole; DETAILED DESCRIPTION
[0023] Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In the following description, unless otherwise expressly specified, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments are not representative of all embodiments consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the present embodiments as detailed in the appended claims.
[0024] It should be noted that all directional instructions, such as up, down, left, right, front, back, etc., are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional instructions will also change accordingly.
[0025] In addition, the description in the embodiments such as "first", "second", etc. is only for the purpose of description, and is not intended to specifically indicate the order or sequence, nor to limit the present application. It is merely to distinguish components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.
[0026] In order to further understand the content, characteristics and effects of the present application, the following embodiments are exemplified and described in detail as follows with reference to the accompanying drawings:
[0027] As shown in Figs. 1-2 :
[0028] The adjustable belt hook structure comprises a hook body 1, the hook body 1 is adjustably connected with an adjusting plate 2 through an adjusting device, the adjusting plate 2 is provided with a rear axle mounting groove 3, and a fixing device is further arranged between the hook body 1 and the adjusting plate 2. After the adjusting plate 2 is adjusted in place relative to the hook body 1 through the adjusting device, the fixing device locks the adjusting plate 2 and the hook body 1 to realize positioning.
[0029] The adjusting device comprises a waist-shaped adjusting hole 41 arranged horizontally to realize the distance adjustment. The adjusting hole 41 is matched with an adjusting rod 42 which can be inserted into the adjusting hole 41 to adjust the position. The adjusting hole 41 is arranged on the claw body 1, and the adjusting rod 42 is fixedly arranged on the adjusting plate 2. The claw body 1 is provided with two parallel and staggered adjusting holes 41, and the adjusting plate 2 is matched with two adjusting rods 42 at the corresponding positions.
[0030] The fixing device comprises a threaded hole 51, a matched screw rod 52 and a nut 53. The threaded hole 51 is arranged in the center of the adjusting rod 42. The outer side of the screw rod 52 is provided with external threads matched with the threaded hole 51. The top of the screw rod 52 is provided with the nut 53. The screw rod 52 is screwed into the threaded hole 51, and the nut 53 is locked and fixed on both sides of the adjusting hole 41 of the adjusting plate 2.
[0031] Preferably, the adjusting hole 41 is provided with a sink groove 54 around the fastening side of the nut 53 to accommodate the nut 53, thereby improving the appearance and the hiding property of the nut 53, and preventing the nut 53 from being loosened by being touched.
[0032] In addition, the fixing device further comprises a retreat stop screw 55, and the adjusting hole 41 is provided with a retreat stop hole 56 on the front side of the vehicle. The retreat stop hole 56 is a through hole, and the retreat stop hole 56 is connected with the retreat stop screw 55 through threads. The retreat stop screw 55 is screwed into the retreat stop hole 56, the inner end of the retreat stop screw 55 enters the inside of the adjusting hole 41 and is in abutting connection with the adjusting rod 42, and the retreat stop screw 55 prevents the adjusting rod 42 from moving to the front side of the vehicle.
[0033] In actual application,
[0034] The adjustable belt claw structure is provided with the claw body 1 which is adjustably connected with the adjusting plate 2 through the adjusting device. The adjusting plate 2 is provided with the rear axle mounting groove 3. The claw body 1 and the adjusting plate 2 are further provided with the fixing device. After the adjusting plate 2 is adjusted in place relative to the claw body 1 through the adjusting device, the fixing device locks the adjusting plate 2 and the claw body 1 to realize positioning. The rear axle mounting groove 3 can be adaptively adjusted in position by virtue of the adjustable connection between the adjusting plate 2 and the claw body 1. The position is locked by the fixing device to realize the position adjustment of the claw rear axle mounting groove 3, thereby improving the universality of the claw.
[0035] The fixing device further comprises the retreat stop screw 55 and the retreat stop hole 56. The adjusting hole 41 is provided with the retreat stop hole 56 on the front side of the vehicle. The retreat stop hole 56 is connected with the retreat stop screw 55 through threads. The retreat stop screw 55 is screwed into the retreat stop hole 56. The inner end of the retreat stop screw 55 enters the inside of the adjusting hole 41 and is in abutting connection with the adjusting rod 42. The retreat stop screw 55 prevents the adjusting rod 42 from moving to the front side of the vehicle, thereby further fixing the rear axle mounting groove 3 and improving the stability of the claw.
[0036] Finally, it should be noted that the above disclosure only refers to the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The scope of the present application is only limited by the appended claims.
Claims
1. An adjustable belt hook structure comprising a hook body (1), characterized in that: The claw body (1) is adjustably connected with an adjusting plate (2) through an adjusting device, the adjusting plate (2) is provided with a rear axle mounting groove (3), and the claw body (1) and the adjusting plate (2) are further provided with a fixing device.
2. An adjustable belt hook structure according to claim 1, characterized in that: The adjusting device comprises a waist-shaped adjusting hole (41), and the adjusting hole (41) is provided with an adjusting rod (42) in a matched mode; the adjusting rod (42) can be inserted into the adjusting hole (41) to move for position adjustment; the adjusting hole (41) is arranged on the claw body (1); and the adjusting rod (42) is fixedly arranged on the adjusting plate (2).
3. An adjustable belt hook structure according to claim 2, wherein: The adjusting hole (41) is horizontally arranged.
4. An adjustable belt hook structure according to claim 2, wherein: The adjusting device comprises two adjusting holes (41) which are arranged in parallel and are offset from each other; and the adjusting plate (2) is provided with two adjusting rods (42) in a corresponding position in a matched mode.
5. An adjustable belt hook structure according to claim 2, wherein: The fixing device comprises a threaded hole (51), a matched screw rod (52) and a nut (53); the threaded hole (51) is arranged in the center of the adjusting rod (42); the outer side of the screw rod (52) is provided with an outer thread matched with the threaded hole (51); the top of the screw rod (52) is provided with the nut (53); the screw rod (52) is screwed into the threaded hole (51); and the nut (53) is locked and fixed with the adjusting plate (2) on both sides of the adjusting hole (41).
6. An adjustable belt hook structure according to claim 5, wherein: The adjusting hole (41) is provided with a sink groove (54) around the fastening side of the nut (53), and the sink groove (54) can accommodate the nut (53).
7. An adjustable belt hook structure according to claim 5, wherein: The fixing device further comprises a retreat stop screw (55), and the adjusting hole (41) is provided with a retreat stop hole (56) on the front side of the vehicle; the retreat stop hole (56) is connected with the retreat stop screw (55) through a thread; the retreat stop screw (55) is screwed into the retreat stop hole (56); the inner end of the retreat stop screw (55) enters the inside of the adjusting hole (41) and is connected with the adjusting rod (42) in abutment; and the retreat stop screw (55) prevents the adjusting rod (42) from moving to the front side of the vehicle.