Hidden buckle structure for fixing bicycle seat

Abstract

The utility model discloses a concealed buckle structure for fixing a bicycle seat, which is characterized in that a buckle ring is provided with a sleeving lug and a fastening lug at two ends of a notch, a matched fastening screw penetrates through the center of the sleeving lug and the center of the fastening lug, the fastening screw is provided with a fastening cap for limiting at the end penetrating through a sleeving hole, and the fastening screw is provided with a fastening thread at the end penetrating into a fastening hole; a fastening nut is arranged in the fastening hole in a sleeved mode, the inner side of the fastening nut is in threaded connection with the fastening screw, the outer side of the fastening nut is rotatably connected with the fastening hole, the fastening nut is provided with a rotating device in a matched mode, the rotating device can rotate the fastening nut to achieve rotation of the fastening nut, and the fastening nut rotates relative to the fastening hole and the fastening screw. Due to the fact that fastening or loosening of the buckle ring is achieved through threaded connection, the fastening nut is arranged in the fastening hole in a hidden and sleeved mode, the fastening nut rotates relative to the fastening hole and the fastening screw rod under the action of a matched rotating device to achieve fastening or loosening of the buckle ring, high anti-theft performance is achieved, and safety of the bicycle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a concealed buckle structure for fixing a bicycle seat. Background Art

[0002] Bicycles, also known as bicycles or bikes, are usually two-wheeled small land vehicles. After people get on the bicycle, they use pedals as power, and it is a green and environmentally friendly means of transportation. There are many types of bicycles, including single-person bicycles, double bicycles, and multi-person bicycles. It can be used as an environmentally friendly means of transportation for travel; more and more people use bicycles as fitness equipment for cycling and cycling trips; cycling itself is also a sports competition, including road cycling races, mountain bike races, track cycling races, stunt bike races, etc.

[0003] Each rider has different requirements for riding height, and needs to adaptively adjust the bicycle seat height before riding. Existing seat adjustment mechanisms are mostly clip-on manual adjustment or bolt adjustment. First, loosen the clip device (manually lift or loosen the bolt), adjust the seat to a suitable position, and then tighten the clip device to adjust and fix the seat.

[0004] The buckle used to fix the bicycle seat currently has the problem of not being anti-theft, which easily causes bad guys to steal the seat. To this end, a hidden buckle structure for fixing the bicycle seat is proposed to improve the anti-theft function of the buckle. Utility Model Content

[0005] In response to the problems in the related art, the present application discloses a concealed buckle structure for fixing a bicycle seat, which solves the problem in the related art that the buckle is easily opened and not anti-theft.

[0006] To achieve the above objectives, this application provides the following technical solutions:

[0007] A concealed buckle structure for fixing a bicycle seat comprises a buckle ring with a notch, a buckle hole surrounded by the center of the buckle ring, the buckle ring deforms at the notch to reduce the buckle hole to achieve a fastening effect, the buckle ring is provided with a sleeve ear and a fastening ear at both ends of the notch, the sleeve ear is provided with a sleeve hole in the center, the fastening ear is provided with a fastening hole in the center, the sleeve hole is concentric with the fastening hole, the sleeve hole and the fastening hole pass through a matching fastening screw, the fastening screw is provided with a fastening cap at the end passing through the sleeve hole, the diameter of the fastening cap is larger than the diameter of the sleeve hole to achieve position limiting, the fastening screw is provided with a fastening thread at the end passing through the fastening hole, a fastening nut is sleeved in the fastening hole, a thread matching the fastening thread is provided on the inner side of the fastening nut, the outer side of the fastening nut is rotatably connected to the fastening hole, and the fastening nut is matched with a rotating device, the rotating device can rotate the fastening nut to achieve the rotation of the fastening nut to achieve the fastening or loosening of the buckle ring.

[0008] As a further solution of the present application: the rotating device includes a plurality of operating holes arranged on the end surface of the fastening nut, the operating holes are equipped with an operating wrench, and the operating wrench is provided with an operating protrusion matching the operating hole. The operating protrusion cooperates with the operating hole to rotate the operating wrench to realize the rotation of the fastening nut and the tightening or loosening of the snap ring.

[0009] As a further solution of the present application: a sleeve recess is provided at the contact end between the sleeve hole and the fastening cap, and the sleeve recess can accommodate the fastening cap.

[0010] As a further solution of the present application: the fastening nut is in the shape of a sleeve, and nut caps are extended outward at both ends of the fastening nut, and the diameter of the nut cap is larger than the diameter of the fastening hole to limit the fastening nut.

[0011] As a further solution of the present application: fastening grooves are provided at both ends of the fastening hole, and the fastening grooves can accommodate the nut caps.

[0012] As a further solution of the present application: the operating wrench comprises an operating handle, an operating ring is provided at the top of the operating handle, the operating ring matches the fastening nut, and an operating protrusion matching the operating hole is provided on the operating ring. In summary, the beneficial effects of the present application are:

[0013] 1. A concealed buckle structure for fixing a bicycle seat, wherein the buckle ring is provided with a sleeve ear and a fastening ear at both ends of the notch, and the centers of the sleeve ear and the fastening ear pass through a matching fastening screw, and a fastening cap is provided at the end of the fastening screw passing through the sleeve hole for limiting, and a fastening thread is provided at the end of the fastening screw passing into the fastening hole, and a fastening nut is sleeved in the fastening hole, and the inner side of the fastening nut is threadedly connected with the fastening screw, and the outer side of the fastening nut is rotatably connected with the fastening hole, and the fastening nut is equipped with a rotating device, and the rotating device can rotate the fastening nut to realize the rotation of the fastening nut, and the fastening nut is rotated relative to the fastening hole and the fastening screw during the rotation process of the fastening nut relative to the fastening hole and the fastening screw, and the buckle ring is fastened or loosened due to the threaded connection, and this fastening nut is hidden in the fastening hole, and the fastening nut rotates relative to the fastening hole and the fastening screw under the action of the matching rotating device to realize the fastening or loosening of the buckle ring, which has high anti-theft performance and improves the safety of the bicycle.

[0014] 2. The rotating device includes a plurality of operating holes and a matching operating spanner arranged on the end surface of the fastening nut. The operating spanner is provided with an operating protrusion matching the operating hole. The operating protrusion cooperates with the operating hole to rotate the operating spanner to realize the rotation of the fastening nut. This rotating device has a simple structure and is easy to operate.

[0015] 3. A sleeve recessed groove for accommodating the fastening cap is provided between the sleeve hole and the contact end of the fastening cap, and the fastening cap is hidden in the sleeve recessed groove, thereby improving the safety of the buckle structure.

[0016] 4. The fastening nut is sleeve-shaped, and nut caps are extended outward at both ends of the fastening nut. The sleeve-shaped fastening nut is easy to make and has a safe connection.

[0017] 5. Both ends of the fastening hole are provided with fastening recesses for accommodating nut caps. The nut caps are hidden in the fastening recesses, which improves the safety of the buckle structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification. They are used together with the embodiments of the present application to explain the present application and do not constitute a limitation of the present application.

[0019] In the attached picture:

[0020] Figure 1 This is a schematic structural diagram of a concealed buckle structure for fixing a bicycle seat according to the present application.

[0021] Figure 2 This is a side structural schematic diagram of a concealed buckle structure fastening nut and a fastening screw for fixing a bicycle seat in the present application.

[0022] Figure 3 This is a schematic structural diagram of a concealed buckle structure operating wrench for fixing a bicycle seat in the present application.

[0023] Reference numerals:

[0024] 1. snap ring; 2. snap hole; 3. socket ear; 31. socket hole; 32. socket recess; 4. fastening ear; 41. fastening hole; 42. fastening recess; 5. fastening screw; 51. fastening cap; 6. fastening nut; 61. nut cap; 71. operating hole; 72. operating protrusion; 73. operating handle; 74. operating ring; DETAILED DESCRIPTION

[0025] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present embodiment disclosure as detailed in the appended claims.

[0026] It should be noted that all directional indications in the embodiments (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, the descriptions of "first", "second", etc. in the embodiments are only for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present application. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0028] In order to further understand the content, features and effects of the present application, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0029] like Figure 1-3 As shown:

[0030] The concealed buckle structure for fixing a bicycle seat comprises a buckle ring 1 with a notch, a buckle hole 2 is surrounded by the center of the buckle ring 1, and the buckle ring 1 is deformed at the notch to reduce the buckle hole 2 to achieve a fastening effect.

[0031] The snap ring 1 is provided with a sleeve ear 3 and a fastening ear 4 at both ends of the notch. The sleeve ear 3 is provided with a sleeve hole 31 in the center, and the fastening ear 4 is provided with a fastening hole 41 in the center. The sleeve hole 31 is concentric with the fastening hole 41, and the sleeve hole 31 and the fastening hole 41 pass through the matching fastening screw 5.

[0032] The end of the fastening screw 5 passing through the sleeve hole 31 is provided with a fastening cap 51 . The diameter of the fastening cap 51 is larger than the diameter of the sleeve hole 31 to achieve positioning. The fastening cap 51 has the functions of left and right positioning and rotation positioning.

[0033] The fastening screw 5 is provided with a fastening thread at the end that penetrates into the fastening hole 41, and a fastening nut 6 is sleeved in the fastening hole 41. The inner side of the fastening nut 6 is provided with a thread matching the fastening thread. The outer side of the fastening nut 6 is rotatably connected to the fastening hole 41. The fastening nut 6 is equipped with a rotating device, which can rotate the fastening nut 6 to realize the rotation of the fastening nut 6 to realize the tightening or loosening of the snap ring 1.

[0034] Preferably, the rotating device includes four operating holes 71 arranged on the end surface of the fastening nut 6, the operating holes 71 are equipped with an operating wrench, and the operating wrench is provided with an operating protrusion 72 matching the operating hole 71. The operating protrusion 72 cooperates with the operating hole 71 to rotate the operating wrench to realize the rotation of the fastening nut 6 to realize the tightening or loosening of the snap ring 1.

[0035] The number of the operation holes 71 can be two, three, five or six, etc., which are evenly arranged.

[0036] The operation hole 71 is arranged on the inner end surface or the outer end surface of the fastening nut 6. Figure 1 As shown, it is arranged on the outer end surface.

[0037] The operating hole 71 is arranged on the inner end surface, which has higher safety. However, the operating ring 74 on the matching operating spanner needs to be provided with a notch through which the fastening screw 5 can pass.

[0038] In addition, a sleeve recess 32 is provided at the contact end between the sleeve hole 31 and the fastening cap 51 , and the sleeve recess 32 can accommodate the fastening cap 51 .

[0039] Preferably, the fastening nut 6 is in the shape of a sleeve, and nut caps 61 are extended outward at both ends of the fastening nut 6 . The diameter of the nut cap 61 is larger than the diameter of the fastening hole 41 to limit the fastening nut 6 .

[0040] In addition, fastening recesses 42 are provided at both ends of the fastening hole 41 , and the fastening recesses 42 can accommodate the nut cap 61 .

[0041] Preferably, the operating wrench includes an operating handle 73 , an operating ring 74 is provided on the top of the operating handle 73 , the operating ring 74 matches the fastening nut 6 , and an operating protrusion 72 matching the operating hole 71 is provided on the operating ring 74 .

[0042] In practical application:

[0043] The snap ring 1 is provided with a sleeve ear 3 and a fastening ear 4 at both ends of the notch, and the sleeve ear 3 and the fastening ear 4 pass through the center of the matching fastening screw 5. The fastening screw 5 is provided with a fastening cap 51 at the end passing through the sleeve hole 31 for limiting, and the fastening screw 5 is provided with a fastening thread at the end penetrating into the fastening hole 41. A fastening nut 6 is sleeved in the fastening hole 41, and the inner side of the fastening nut 6 is threadedly connected to the fastening screw 5, and the outer side of the fastening nut 6 is rotatably connected to the fastening hole 41. The fastening nut 6 is provided with a rotating device The rotating device can rotate the fastening nut 6 to realize the rotation of the fastening nut 6. When the fastening nut 6 rotates relative to the fastening hole 41 and the fastening screw 5, the snap ring 1 is tightened or loosened due to the threaded connection. This fastening nut 6 is hidden in the fastening hole 41. The fastening nut 6 rotates relative to the fastening hole 41 and the fastening screw 5 under the action of the matching rotating device to realize the tightening or loosening of the snap ring 1, which has high anti-theft performance and improves the safety of the bicycle.

[0044] The rotating device includes a plurality of operating holes 71 and a matching operating wrench arranged on the end surface of the fastening nut 6. The operating wrench is provided with an operating protrusion 72 matching the operating hole 71. The operating protrusion 72 cooperates with the operating hole 71 to rotate the operating wrench to realize the rotation of the fastening nut 6. This rotating device has a simple structure and is easy to operate.

[0045] A sleeve recess 32 for accommodating the fastening cap 51 is provided at the contact end of the sleeve hole 31 and the fastening cap 51 . The fastening cap 51 is hidden in the sleeve recess 32 , thereby improving the safety of the buckle structure.

[0046] The fastening nut 6 is in the shape of a sleeve, and nut caps 61 are provided at both ends of the fastening nut 6 extending outward. The sleeve-shaped fastening nut 6 is easy to manufacture and has a safe connection.

[0047] Both ends of the fastening hole 41 are provided with fastening recesses 42 for accommodating the nut cap 61 , and the nut cap 61 is hidden in the fastening recesses 42 , thereby improving the safety of the buckle structure.

[0048] Finally, it should be noted that the above disclosure is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application. The scope of the present application is limited only by the attached claims.

Claims

1. A concealed buckle structure for fixing a bicycle seat, comprising a buckle ring (1) provided with a notch, a buckle hole (2) surrounding the center of the buckle ring (1), the buckle ring (1) deforms at the notch to reduce the buckle hole (2) to achieve a fastening effect, the buckle ring (1) is provided with sleeve ears (3) and fastening ears (4) at both ends of the notch, and is characterized in that: The sleeve ear (3) is provided with a sleeve hole (31) at its center, and the fastening ear (4) is provided with a fastening hole (41) at its center. The sleeve hole (31) and the fastening hole (41) are concentric. The sleeve hole (31) and the fastening hole (41) pass through a matching fastening screw (5). The fastening screw (5) is provided with a fastening cap (51) at the end passing through the sleeve hole (31). The diameter of the fastening cap (51) is larger than the diameter of the sleeve hole (31) to achieve position limiting. 5) A fastening thread is provided at the end that penetrates into the fastening hole (41), a fastening nut (6) is sleeved in the fastening hole (41), a thread matching the fastening thread is provided on the inner side of the fastening nut (6), the outer side of the fastening nut (6) is rotatably connected to the fastening hole (41), and the fastening nut (6) is equipped with a rotating device, which can rotate the fastening nut (6) to realize the rotation of the fastening nut (6) to realize the tightening or loosening of the snap ring (1).

2. A concealed buckle structure for fixing a bicycle seat according to claim 1, characterized in that: The rotating device comprises a plurality of operating holes (71) arranged on the end surface of the fastening nut (6); the operating holes (71) are matched with an operating spanner; the operating spanner is provided with an operating protrusion (72) matched with the operating hole (71); the operating protrusion (72) cooperates with the operating hole (71) to rotate the operating spanner to realize the rotation of the fastening nut (6) and the tightening or loosening of the snap ring (1).

3. The concealed buckle structure for fixing a bicycle seat according to claim 1, characterized in that: A sleeve recess (32) is provided at the contact end between the sleeve hole (31) and the fastening cap (51), and the sleeve recess (32) can accommodate the fastening cap (51).

4. The concealed buckle structure for fixing a bicycle seat according to claim 1, characterized in that: The fastening nut (6) is in the shape of a sleeve, and nut caps (61) are provided at both ends of the fastening nut (6) extending outwards, and the diameter of the nut cap (61) is greater than the diameter of the fastening hole (41) to achieve position limiting of the fastening nut (6).

5. The concealed buckle structure for fixing a bicycle seat according to claim 4, characterized in that: The fastening hole (41) has fastening recesses (42) at both ends, and the fastening recesses (42) can accommodate the nut cap (61).

6. The concealed buckle structure for fixing a bicycle seat according to claim 2, characterized in that: The operating wrench comprises an operating handle (73), the top end of the operating handle (73) is provided with an operating ring (74), the operating ring (74) matches the fastening nut (6), and the operating ring (74) is provided with an operating protrusion (72) matching the operating hole (71).

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