Novel buckle

Abstract

The utility model relates to a novel buckle which comprises a buckle body and a connecting ring, the buckle body comprises two connecting pieces arranged in parallel, the bottom ends of the two connecting pieces are connected through a connecting block, the connecting ring is rotatably connected to the bottom of the connecting block through a connecting shaft, a through hole is formed in the connecting ring, and the connecting shaft is arranged in the through hole in a penetrating mode. A buckle assembly is arranged between the two connecting pieces, the face, corresponding to the buckle assembly, of the connecting block is a first surface, the opposite face of the connecting block is a second surface, and a through hole is formed in the connecting block and penetrates from the first surface to the second surface. The connecting shaft comprises a shaft rod part capable of penetrating through the through hole in the axial direction and a limiting part incapable of penetrating through the through hole in the axial direction, the limiting part is arranged corresponding to the first surface, one end of the shaft rod part is connected with the limiting part, the other end of the shaft rod part is a free end penetrating through the through hole and the penetrating hole, and a clamping groove is formed in the free end; and the clamping spring is used for limiting the free end from slipping from the through hole and is clamped in the clamping groove in a sleeving manner. The utility model has the advantages of simple integral structure and convenience in component processing.

Description

Technical Field

[0001] The utility model relates to a novel buckle. Background Art

[0002] Buckles, such as dog buckles, are generally connected to the end of a strap or lanyard, and are generally provided with an openable and closable locking structure. They are also used as a connecting hub between a pet collar and a traction rope. Their structure generally includes a connecting ring and an openable and closable lock buckle connected together. For example, the applicant disclosed a quick-opening and closing buckle in the Chinese utility model patent entitled "Quick-opening and closing buckle" with the authorization announcement number CN212728442U, which includes a buckle body and a connecting ring. The buckle body includes two connecting pieces arranged in parallel, the bottom ends of the two connecting pieces are connected by a connecting block, the connecting ring is rotatably connected to the bottom of the connecting block, a U-shaped groove is respectively provided on the two connecting pieces, and the two U-shaped grooves are arranged opposite to each other, the notch of the U-shaped groove is arranged at the top of the connecting piece, and a buckle assembly is provided between the two connecting pieces; the buckle assembly includes a left hook piece, a right hook piece and a torsion spring. In this patent, a vertical shaft is connected to the bottom of the connecting block, a collar is provided on the connecting ring, the collar is movably mounted on the vertical shaft, and the lower end of the vertical shaft is connected to an end cap to prevent the collar from detaching. In actual processing, after the vertical shaft passes through the collar, the end of the vertical shaft is riveted to increase the diameter of the end to form an end cap. During the use of the fastener, the end cap will be repeatedly impacted by the connecting ring, and the risk of deformation of the end cap is relatively high, and even the vertical shaft may detach from the connecting ring. In addition, the riveting method requires the use of specific equipment, and the processing is also more troublesome.

[0003] Based on the above issues, the applicant conducted research on the above issues and resulted in this case. Utility Model Content

[0004] The utility model aims to provide a novel buckle which has a stable structure and is easy to process.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel buckle comprises a buckle body and a connecting ring, the buckle body comprises two connecting pieces arranged in parallel, the bottom ends of the two connecting pieces are connected by a connecting block, the connecting ring is rotatably connected to the bottom of the connecting block by a connecting shaft, a through hole is provided on the connecting ring, the connecting shaft is passed through the through hole, a U-shaped groove is respectively provided on the two connecting pieces, and the two U-shaped grooves are arranged opposite to each other, the notch of the U-shaped groove is arranged at the top of the connecting piece, a buckle assembly is provided between the two connecting pieces, a side of the connecting block corresponding to the buckle assembly is a first surface, and the other side opposite to the buckle assembly is a second surface, a through hole is provided on the connecting block, the through hole passes through from the first surface to the second surface, the connecting shaft comprises a shaft rod portion that can pass through the through hole axially and a limiting portion that cannot pass through the through hole axially, the limiting portion is arranged corresponding to the first surface, one end of the shaft rod portion is connected to the limiting portion, and the other end is a free end passing through the through hole and the through hole, a clamping groove is provided on the free end, and a retaining spring for limiting the free end from slipping out of the through hole is also included, and the retaining spring is clamped in the clamping groove.

[0007] As a preferred embodiment of the present invention, the clamping groove is an annular groove extending along the circumference of the shaft portion.

[0008] As a preferred embodiment of the present invention, it further includes a washer disposed between the retaining spring and the connecting ring, wherein the outer diameter of the washer is smaller than the diameter of the through hole, and the outer diameter of the washer is larger than the outer diameter of the retaining spring.

[0009] As a preferred embodiment of the present invention, a support seat is provided on the connecting ring, and the projection of the gasket on the support seat is located inside the support seat.

[0010] As a preferred embodiment of the utility model, the retaining spring is a steel ring with a notch, and the retaining spring forms a first adjustment end and a second adjustment end at both ends of the notch, and the middle part of the retaining spring between the first adjustment end and the second adjustment end is set as an intermediate part, and a first elastic arched part and a second elastic arched part are formed on the retaining spring, the first elastic arched part is located between the first adjustment end and the intermediate part, and the second elastic arched part is located between the second adjustment end and the intermediate part.

[0011] As a preferred embodiment of the present invention, the width of the limiting portion is smaller than the minimum distance between the two connecting pieces, and the length of the limiting portion is larger than the maximum distance between the two connecting pieces.

[0012] As a preferred embodiment of the utility model, the limiting portion includes a first limiting wall, a second limiting wall, a first connecting wall and a second connecting wall. The first limiting wall and the second limiting wall are both parallel to the connecting piece. The first connecting wall is located between the first limiting wall and the second limiting wall, and the second connecting wall is located between the first limiting wall and the second limiting wall.

[0013] As a preferred embodiment of the present invention, the connecting shaft is made of aviation aluminum, and the two connecting pieces and the connecting block are integrally stamped from aluminum alloy.

[0014] As a preferred embodiment of the present invention, the support seat is provided with a protective groove extending toward the connecting block, and the gasket and the retaining spring are located in the protective groove.

[0015] As a preferred embodiment of the utility model, the connecting ring includes a first rod portion, a second rod portion, a third rod portion and the support seat, the two ends of the first rod portion are respectively connected to the support seat and one end of the third rod portion, and the two ends of the second rod portion are respectively connected to the support seat and the other end of the third rod portion.

[0016] After adopting the technical solution of the utility model, during assembly, the connecting shaft is passed through the through hole and the through hole, and the retaining spring is installed in the retaining groove. On the one hand, the retaining spring can prevent the connecting shaft from slipping out of the through hole, and on the other hand, the retaining spring also has a certain buffering effect, reducing the deformation risk of repeated axial movement of the connecting shaft. The overall structure of the utility model is simple and the components are easy to process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0019] Figure 3 It is a structural schematic diagram of the connecting shaft in the utility model.

[0020] Figure 4 for Figure 3 View along direction B.

[0021] Figure 5 It is a structural schematic diagram of the gasket in the utility model.

[0022] Figure 6 It is a structural schematic diagram of the retaining spring in the utility model.

[0023] Figure 7 It is a structural schematic diagram of another implementation mode of the utility model.

[0024] In the figure:

[0025] Buckle body 10 Connecting piece 11

[0026] Connection block 12 first surface 121

[0027] Second surface 122 through hole 13

[0028] Connecting ring 20 First rod portion 21

[0029] The second rod portion 22 and the third rod portion 23

[0030] Support seat 24 Protective trough 25

[0031] Perforation 26

[0032] Connecting shaft 30 Limiting portion 31

[0033] The first limiting wall 311 The second limiting wall 312

[0034] First connecting wall 313 Second connecting wall 314

[0035] Axis rod portion 32 Slot 33

[0036] Free end 34 Washer 40

[0037] Circlip 50 First adjustment end 51

[0038] Second adjustment end 52 middle portion 53

[0039] Notch 54 First elastic arch 55

[0040] The second elastic arched portion 56 DETAILED DESCRIPTION

[0041] In order to better understand the technical solution of the present utility model, it is described in more detail below in conjunction with embodiments.

[0042] Reference Figures 1 to 7A novel buckle comprises a buckle body 10 and a connecting ring 20. The buckle body 10 comprises two connecting pieces 11 arranged in parallel. The bottom ends of the two connecting pieces 11 are connected by a connecting block 12. The two connecting pieces and the connecting block are integrally stamped or die-casted by aluminum alloy. In the embodiment, 5052 aluminum alloy is used. The connecting block 12 is substantially perpendicular to the connecting piece 11. The connecting ring 20 is rotatably connected to the bottom of the connecting block 12 by a connecting shaft 30. The connecting shaft 30 is perpendicular to the connecting block 12. A through hole 26 is provided on the connecting ring 20. The connecting shaft 30 is penetrated in the through hole 26. A U-shaped groove is respectively provided on the two connecting pieces 11, and the two U-shaped grooves are arranged opposite to each other. The notch of the U-shaped groove is arranged at the top of the connecting piece 11. A buckle assembly is provided between the two connecting pieces 11. The buckle assembly can adopt the buckle assembly 10 in the authorization announcement number CN212728442U. Its specific structure will not be described in detail here. The side of the connecting block 12 corresponding to the buckle assembly is a first surface 121, and the other side opposite to it is a second surface 122. The first surface 121 and the second surface 122 are arranged in parallel. The connecting block 12 is provided with a through hole 13, and the through hole 13 runs through the first surface 121 to the second surface 122. In the utility model, the connecting shaft 30 includes a shaft portion 32 that can pass through the through hole 13 in the axial direction and a limiting portion 31 that cannot pass through the through hole 13 in the axial direction, and the limiting portion 31 is arranged corresponding to the first surface 121. One end of the shaft portion 32 is connected to the limiting portion 31, and the other end is a free end 34 that passes through the through hole 13 and the through hole 26. The free end 34 is provided with a slot 33. The utility model also includes a retaining spring 50 for limiting the free end 34 from slipping off the through hole 26. The retaining spring 50 is clamped in the slot 33. The outer diameter of the assembled retaining spring 50 is larger than the aperture of the through hole 26.

[0043] As a preferred embodiment of the present invention, the clamping groove 33 is an annular groove extending along the circumference of the shaft portion 32. As a preferred embodiment of the present invention, a washer 40 is further provided between the clamping spring 50 and the connecting ring 20, the outer diameter of the washer 40 is smaller than the diameter of the through hole 26, and the outer diameter of the washer 40 is larger than the outer diameter of the clamping spring 50. After assembly, the inner side of the clamping spring 50 is located in the clamping groove 33, and the outer side of the clamping spring 50 abuts against the washer 40, thereby limiting the connection shaft 30 from slipping off in the axial direction.

[0044] As a preferred embodiment of the present invention, a support seat 24 is provided on the connecting ring 20, and the projection of the gasket 40 on the support seat 24 is located inside the support seat 24. The gasket 40 can be protected by the support seat 24 to prevent the surrounding area of ​​the gasket 40 from being damaged by excessive deformation due to being touched.

[0045] As a preferred embodiment of the present invention, the clamping spring 50 is a steel ring with a notch 54, and the first adjustment end 51 and the second adjustment end 52 are formed at both ends of the notch 54 of the clamping spring 50, and the middle part between the first adjustment end 51 and the second adjustment end 52 is set as the middle part 53, and the first elastic arched part 55 and the second elastic arched part 56 are formed on the clamping spring 50, and the first elastic arched part 55 is located between the first adjustment end 51 and the middle part 53, and the second elastic arched part 56 is located between the second adjustment end 52 and the middle part 53. In the present invention, when in use, the clamping spring 50 is sleeved at the position of the card slot 33, and the first adjustment end 51 and the second adjustment end 52 are pressed, so that the distance between the first adjustment end 51 and the second adjustment end 52 is reduced, and the connecting shaft 30 will not slide out of the notch 54. When the connecting ring 20 generates an axial force on the washer 40 and the retaining spring 50, the first elastic arch 55 and the second elastic arch 56 can be appropriately compressed to play a buffering role, thereby preventing the position where the annular groove of the shaft portion 32 is set from deforming and causing the connecting shaft 30 to slip.

[0046] As a preferred embodiment of the present invention, the width of the limiting portion 31 is smaller than the minimum distance between the two connecting pieces 11, and the length of the limiting portion 31 is larger than the maximum distance between the two connecting pieces 11, thereby limiting the relative rotation of the limiting portion 31 with respect to the connecting piece 11. As a preferred embodiment of the present invention, the limiting portion 31 includes a first limiting wall 311, a second limiting wall 312, a first connecting wall 313, and a second connecting wall 314. The first limiting wall 311 and the second limiting wall 312 are both parallel to the connecting piece 11. The distance between the first limiting wall 311 and the second limiting wall 312 is slightly smaller than the minimum distance between the two connecting pieces 11. The first connecting wall 313 is located between the first limiting wall 311 and the second limiting wall 312, and the second connecting wall 314 is located between the first limiting wall 311 and the second limiting wall 312. With this structure, the connection shaft 30 can be restricted from rotating relative to the connection block 12 , thereby reducing the movement of the connection shaft 30 , and allowing the connection ring 20 to rotate more smoothly relative to the connection shaft 30 .

[0047] As a preferred embodiment of the present invention, the connecting shaft 30 is made of aviation aluminum, which has good strength. Since the connecting shaft 30 does not need to be riveted, a stronger material can be selected, thereby increasing the service life of the connecting shaft 30.

[0048] As a preferred embodiment of the utility model, the support seat 24 is provided with a protective groove 25 extending toward the connecting block 12, and the gasket 40 and the retaining spring 50 are located in the protective groove 25. By providing the protective groove 25, the surrounding area of ​​the retaining spring 50 can be protected, reducing the probability of the retaining spring 50 being touched, thereby making it difficult for the retaining spring 50 to fall off, thereby improving the service life of the utility model.

[0049] As a preferred embodiment of the utility model, the connecting ring 20 includes a first rod portion 21, a second rod portion 22, a third rod portion 23 and the support seat 24. The first rod portion 21, the second rod portion 22, the third rod portion 23 and the support seat 24 are integrally formed, and the two ends of the first rod portion 21 are respectively connected to the support seat 24 and one end of the third rod portion 23, and the two ends of the second rod portion 22 are respectively connected to the support seat 24 and the other end of the third rod portion 23. The entire connecting ring 20 is trapezoidal or rectangular.

[0050] The protection scope of the present utility model is not limited to this embodiment, and any person making similar changes thereto shall be deemed to be within the protection scope of the present utility model.

Claims

1. A novel buckle, comprising a buckle body and a connecting ring, wherein the buckle body comprises two connecting pieces arranged in parallel, the bottom ends of the two connecting pieces are connected by a connecting block, the connecting ring is rotatably connected to the bottom of the connecting block by a connecting shaft, a through hole is provided on the connecting ring, the connecting shaft is penetrated in the through hole, a U-shaped groove is respectively provided on the two connecting pieces, and the two U-shaped grooves are arranged opposite to each other, the notch of the U-shaped groove is arranged at the top of the connecting piece, a buckle assembly is provided between the two connecting pieces, a side of the connecting block corresponding to the buckle assembly is a first surface, and the other side opposite to the buckle assembly is a second surface, characterized in that: A through hole is provided on the connecting block, and the through hole passes through the first surface to the second surface. The connecting shaft includes a shaft rod portion that can pass through the through hole axially and a limiting portion that cannot pass through the through hole axially. The limiting portion is arranged corresponding to the first surface, one end of the shaft rod portion is connected to the limiting portion, and the other end is a free end that passes through the through hole and the through hole. A clamping groove is provided on the free end, and a retaining spring is also included for limiting the free end from slipping out of the through hole, and the retaining spring is clamped in the clamping groove.

2. A novel buckle as claimed in claim 1, characterized in that: The clamping groove is an annular groove extending along the circumference of the shaft portion.

3. A novel buckle as claimed in claim 2, characterized in that: It also includes a washer arranged between the clamping spring and the connecting ring, the outer diameter of the washer is smaller than the diameter of the through hole, and the outer diameter of the washer is larger than the outer diameter of the clamping spring.

4. A novel buckle as claimed in claim 3, characterized in that: A support seat is provided on the connecting ring, and the projection of the gasket on the support seat is located inside the support seat.

5. A novel buckle as claimed in claim 4, characterized in that: The retaining spring is a steel ring with a notch, and the retaining spring forms a first adjustment end and a second adjustment end at both ends of the notch. The middle part of the retaining spring between the first adjustment end and the second adjustment end is set as an intermediate part, and a first elastic arch part and a second elastic arch part are formed on the retaining spring. The first elastic arch part is located between the first adjustment end and the intermediate part, and the second elastic arch part is located between the second adjustment end and the intermediate part.

6. A novel buckle as claimed in claim 5, characterized in that: The width of the limiting portion is smaller than the minimum distance between the two connecting pieces, and the length of the limiting portion is larger than the maximum distance between the two connecting pieces.

7. A novel buckle as claimed in claim 6, characterized in that: The limiting portion includes a first limiting wall, a second limiting wall, a first connecting wall and a second connecting wall. The first limiting wall and the second limiting wall are both parallel to the connecting piece. The first connecting wall is located between the first limiting wall and the second limiting wall, and the second connecting wall is located between the first limiting wall and the second limiting wall.

8. A novel buckle as claimed in claim 7, characterized in that: The connecting shaft is made of aviation aluminum, and the two connecting pieces and the connecting block are integrally formed of aluminum alloy.

9. A novel buckle as claimed in claim 8, characterized in that: The support seat is provided with a protective recessed groove extending toward the connecting block, and the washer and the retaining spring are located in the protective recessed groove.

10. A novel buckle as claimed in claim 9, characterized in that: The connecting ring includes a first rod portion, a second rod portion, a third rod portion and the support seat, wherein two ends of the first rod portion are respectively connected to the support seat and one end of the third rod portion, and two ends of the second rod portion are respectively connected to the support seat and the other end of the third rod portion.

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