Connecting buckle

Abstract

The utility model discloses a connecting buckle which comprises an upper buckle body, a lower buckle body, a pair of keys and an elastic reset piece, the upper buckle body is provided with a groove body penetrating through the two opposite sides of the upper buckle body, a through hole is formed in the side, facing the lower buckle body, of the upper buckle body, and the through hole is communicated with the groove body; the two keys are arranged in the groove body in a sliding manner; the button comprises a pressing part, one side of the pressing part extends out of a limiting part, a containing groove is formed between the two limiting parts, and an opening of the containing groove is opposite to the lower buckle body; the elastic reset piece is accommodated in the accommodating groove, and the two ends of the elastic reset piece elastically abut against the limiting parts of the two keys respectively; the tail end of the limiting part extends towards one side of the lower buckle body to form a buckling part; an accommodating area is formed between the two buckling parts; the lower buckle body is provided with a connecting part, and when the connecting part extends into the through hole and the containing area, the two buckling parts are clamped to the connecting part. The connecting buckle is simple and compact in structure and small in size.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connecting buckle, especially a connecting buckle with simple structure and compactness. BACKGROUND

[0002] The connecting components such as backpacks, safety belts and traction ropes need to be connected to realize quick connection and improve the convenience of use. The existing connecting buckles generally comprise upper and lower buckle bodies and buttons. For example, the utility model patent with the publication number CN218390031U discloses such a connecting buckle. The two opposite buttons are pressed to unlock the lower buckle body, the upper and lower buckle bodies are separated, the two buttons are released, the two buttons are reset under the elastic force of the respective elastic arms, the lower buckle body is locked, and the purpose of connection and locking is achieved. However, the elastic arms of the buttons are usually made into an integral structure with the buttons to provide the reset force for the buttons. The structure of the elastic arms is different and the volume is very small, which leads to a very complex structure of the buttons. When the two buttons are stacked and assembled, a certain space needs to be reserved in the interior of the two buttons to provide the action of the elastic arms. The assembly is not convenient, and the structure of the assembled connecting buckle is not compact and the volume is large. SUMMARY

[0003] The utility model aims at providing a connecting buckle with simple structure, compactness and small volume.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a connecting buckle which comprises an upper buckle body, a lower buckle body, a pair of keys and an elastic reset part. The upper buckle body has a groove body penetrating through the opposite sides. A through hole is arranged on the side of the upper buckle body facing the lower buckle body, and the through hole is connected with the groove body. The two keys are slidably arranged in the groove body, and the two keys are respectively arranged in a central symmetry. The key comprises a pressing part, and a limiting part is extended from one side of the pressing part. A containing groove is formed between the two limiting parts, and the opening of the containing groove faces away from the lower buckle body. The elastic reset part is contained in the containing groove, and the two ends of the elastic reset part are respectively elastically contacted with the limiting parts of the two keys, so that the pressing parts of the two keys are respectively extended from the two ends of the groove body. The end of the limiting part is extended from the side of the lower buckle body to form a buckling part. The containing area is formed between the two buckling parts, the opening of the containing area faces the side of the lower buckle body and is aligned with the through hole, and the connecting part of the lower buckle body is arranged in the through hole and the containing area. When the connecting part is arranged in the through hole and the containing area, the two buckling parts are clamped on the connecting part, so that the lower buckle body and the upper buckle body are locked and connected with each other.

[0005] The utility model discloses a quick connecting lock mechanism of upper shell and lower shell, which comprises an upper buckle body and a lower buckle body, wherein the upper buckle body is provided with a connecting part and a through hole, the lower buckle body is provided with a connecting part, a pair of keys are arranged in the groove, the connecting part is locked by the elastic reset member when the connecting part is inserted into the through hole and the groove, and the upper shell and the lower shell are quickly connected and locked.

[0006] Preferably, the inner side of the limiting part is provided with an arc surface, and the arc surfaces of the two keys form the accommodating groove. By arranging the arc surface, the two keys can form the accommodating groove for accommodating the elastic reset member after combination, which can provide the two keys with elastic reset force, accommodate the elastic reset member between the two keys, save the internal space of the upper buckle body, make the structure more compact and reasonable, and reduce the volume.

[0007] Preferably, the limiting part is located on one side between the pressing part and the limiting part, the other side between the pressing part and the limiting part is provided with a hollow area, and the pressing part of one key is located in the hollow area of the other key when the two keys are installed in the groove. In this way, the two keys can be assembled in a smaller volume and a more reasonable structure without interfering with each other.

[0008] Preferably, the upper buckle body comprises an upper shell and a lower shell, the lower shell is provided with an opening slot with an opening upward, the upper shell is detachably connected to the lower shell, and the upper shell and the lower shell form the groove. By dividing the upper buckle body into the detachable upper shell and lower shell, the keys and the elastic reset member can be more easily assembled into the upper buckle body, improving the convenience of assembly.

[0009] Preferably, the connecting buckle further comprises a connecting ring, one side of the connecting ring is provided with a bushing, one side of the upper buckle body is provided with a connecting column, the other end of the connecting column is inserted into the bushing, and the end of the connecting column protruding out of the bushing is provided with a clasp ring capable of abutting against the bushing. By using the bushing, the connecting part and the clasp ring, the connecting ring can be more conveniently and quickly assembled with the upper buckle body, further improving the assembly convenience of the connecting buckle.

[0010] Preferably, steps are arranged at two ends of the groove body close to the outlet, and the limiting part protrudes relative to the pressing part to abut against the steps. In this way, the keys can be prevented from sliding out excessively under the elastic force of the elastic reset member, and the stability of the operation is ensured.

[0011] Preferably, a clamping groove is arranged on the outer side of the upper end of the connecting part in a circumferential direction, and the buckling part is clamped in the clamping groove.

[0012] Specifically, the opposite sides of the buckling parts of the two keys are provided with clamping edges in the shape of a circular arc, and the clamping edges are clamped in the clamping groove when the lower buckling body is connected with the upper buckling body. By clamping connection of the clamping edges and the clamping groove, the locking of the keys with the connecting part is more firm and reliable, and the safety in use is higher.

[0013] Preferably, the elastic reset member is a compression spring.

[0014] Preferably, the connecting buckle further comprises a magnet and a magnetic attraction member that is attracted to the magnet, one of the magnet and the magnetic attraction member is arranged on the upper buckling body or the key, and the other is arranged on the end face of the connecting part of the lower buckling body. By cooperation of the magnet and the magnetic attraction member, the connecting part can be more easily connected with the upper buckling body, and the convenience is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the connecting buckle of the utility model.

[0016] Figure 2 It is an exploded view of the connecting buckle of the utility model.

[0017] Figure 3 It is an exploded view of the upper buckling body of the connecting buckle of the utility model.

[0018] Figure 4 It is a structure view of the key of the connecting buckle of the utility model installed in the lower shell.

[0019] Figure 5 It is a perspective view of the key of the connecting buckle of the utility model.

[0020] Figure 6 It is Figure 1 It is a sectional view along the A plane.

[0021] Figure 7 It is a structure view of the upper shell of the connecting buckle of the utility model.

[0022] Figure 8 It is Figure 1 It is a sectional view along the B plane. DETAILED DESCRIPTION

[0023] To make the technical content, construction features and effects of the utility model clear, the following will be described in detail in combination with the embodiments and the drawings.

[0024] As shown in Figures 1 to 6 and Figure 8 , the connecting buckle 100 of the utility model comprises an upper buckle body 1, a lower buckle body 2, a pair of keys 3 and an elastic reset member 4, the upper buckle body 1 has a slot body 11 through opposite sides thereof, one side of the upper buckle body 1 towards the lower buckle body 2 is provided with a through hole 12, the central axis of the through hole 12 is perpendicular to the central axis of the slot body 11. The through hole 12 is communicated with the slot body 11; two keys 3 are slidably arranged in the slot body 11, and two keys 3 are respectively and one by one correspondingly located at two ends of the through hole 12, and two keys 3 are respectively and centrally symmetrically arranged. The key 3 comprises a pressing part 31, which protrudes out of the through hole 12 in a non-pressing state. One side of the pressing part 31 is extendedly provided with a limiting part 32, and a containing groove 3a is formed between two limiting parts 32, and the cross section of the containing groove 3a is in a semicircular structure. The opening of the containing groove 3a faces away from the lower buckle body 2. The elastic reset member 4 is contained in the containing groove 3a, and the two ends thereof are respectively and elastically abutted against the limiting parts 32 of two keys 3, so that the pressing parts 31 of two keys 3 respectively protrude out of two ends of the slot body 11. The elastic reset member 4 is a compression spring. The terminal end of the limiting part 32 is extendedly provided with a buckling part 33 towards one side of the lower buckle body 2; the width of the buckling part 33 is equal to the width of the pressing part 31. A containing area 3b is formed between two buckling parts 33, and the opening of the containing area 3b faces one side of the lower buckle body 2 and is aligned with the through hole 12. When two keys 3 relatively slide in the slot body 11 and drive the buckling parts 33 to relatively move, the containing area 3b is enlarged or reduced, that is, when two keys 3 are pressed, two keys 3 relatively move and compress the elastic reset member 4, two buckling parts 33 are away from each other, so that the containing area 3b is enlarged, on the contrary, when two keys 3 are released, two keys 3 are reset under the action of the elastic force of the elastic reset member 4, two buckling parts 33 are close to each other, so that the containing area 3b is reduced. One side of the lower buckle body 2 towards the upper buckle body 1 is upwardly and protrudingly provided with a connecting part 21, when the containing area 3b is enlarged, the connecting part 21 extends into the through hole 12 and the containing area 3b, when the containing area 3b is reduced, two buckling parts 33 are clamped on the connecting part 21, so that the lower buckle body 2 and the upper buckle body 1 are locked and connected with each other. When two keys 3 are pressed, the containing area 3b is enlarged again, the connecting part 21 passes through the through hole 12 and the containing area 3b, so that the upper buckle body 1 and the lower buckle body 2 are separated.

[0025] In combination with Figures 3 to 6The limiting part 32 is in L-shaped structure, and an arc surface 321 is arranged on the inner side of the limiting part 32. The cross section of the arc surface 321 is in quarter circular shape. After the two keys 3 are combined adjacently, the two arc surfaces 321 are combined to form the accommodating groove 3a. The arc surface 321 can make the two keys 3 form the accommodating groove 3a after combination, which can provide the keys 3 with elastic force for returning, and can accommodate the elastic return member 4 between the two keys 3, save the internal space of the upper buckle body 1, and make the structure more compact and reasonable. The limiting part 32 is arranged on one side between the pressing part 31 and the limiting part 32. The other side between the pressing part 31 and the limiting part 32 has a hollow area 322. The two keys 3 are arranged along the length direction. The limiting part 32 is arranged on one half of the width direction of the key 3, and the other half forms the hollow area 322. When the two keys 3 are installed on the groove body 11, the pressing part 31 of one key 3 is arranged in the hollow area 322 of the other key 3. The two limiting parts 32 are combined to form a square structure, and the limiting groove is arranged in the middle of the square structure. This can make the two keys 3 have smaller volume and more reasonable structure without interfering with each other. The groove body 11 is provided with a step 111 near the outlet, and the limiting part 32 protrudes relative to the pressing part 31 to abut against the step 111. This can prevent the key 3 from sliding out excessively under the elastic force of the elastic return member 4, and ensure the stability of the work.

[0026] Further as shown in Figure 3 , Figure 4 and Figure 7 , the upper buckle body 1 comprises an upper shell 1a and a lower shell 1b. The upper shell 1a is provided with a plurality of connecting columns 112, and the lower shell 1b is provided with a plurality of connecting barrels 113 which are connected with the connecting columns 112 in sleeve connection. The lower shell 1b is provided with an opening groove which is open upward. The upper shell 1a is detachably connected with the lower shell 1b, and the opening groove between the upper shell 1a and the lower shell 1b forms the groove body 11. The upper buckle body 1 is divided into the detachable upper shell 1a and lower shell 1b, which can make the keys 3 and the elastic return member 4 more easily assembled into the upper buckle body 1, and improve the convenience of assembly. In addition, the step 111 is arranged on the inner side of the upper shell 1a, and the side surface of the limiting part 32 away from the lower buckle body 2 is higher than the side surface of the pressing part 31, so that the end edge of the limiting part 32 can cooperate with the step 111 to achieve the limiting effect.

[0027] Please refer to Figure 2 and Figure 6The outer side of the upper end of the connecting part 21 is provided with a clamping groove 211 in the circumferential direction, and the buckling part 33 is clamped in the clamping groove 211. Specifically, the opposite side of the buckling part 33 of the two keys 3 is provided with a clamping edge 331 in the form of a circular arc, and when the lower buckling body 2 is connected with the upper buckling body 1, the clamping edge 331 is clamped in the clamping groove 211. By clamping the clamping edge 331 and the clamping groove 211, the key 3 can be more firmly locked with the connecting part 21, and the safety of use is higher.

[0028] Please refer to Figure 3 and Figure 4 The connecting buckle 100 further comprises a connecting ring 5 for connecting a woven belt, one side of the connecting ring 5 is provided with a bushing 51, one side of the upper buckling body 1 is provided with a connecting column 13, the other end of the connecting column 13 is inserted into the bushing 51, and the end of the connecting column 13 protruding out of the bushing 51 is provided with a clamping ring 131 which can abut against the bushing 51. By using the bushing 51, the connecting part 21 and the clamping ring 131, the connecting ring 5 can be more conveniently and quickly assembled with the upper buckling body 1, further improving the assembly convenience of the connecting buckle 100. The bottom of the lower buckling body 2 is also provided with a connecting hole or a connecting part for connecting external objects.

[0029] The connecting buckle 100 further comprises a magnet (not shown in the figure) and a magnetic attraction member (not shown in the figure) which is attracted to the magnet, one of the magnet and the magnetic attraction member is arranged on the upper buckling body 1 or the key 3, and the other is arranged on the end face of the connecting part 21 of the lower buckling body 2. By using the cooperation of the magnet and the magnetic attraction member, the connecting part 21 can be more easily connected with the upper buckling body 1, effectively improving the convenience.

[0030] The utility model discloses a pair of keys 3 are set in the slot body 11, and the connecting portion 21 is locked in the through hole 12 and the slot body 11, and the elastic reset piece 4 is used to drive the buckle 33 of the key 3 and the connecting portion 21 locking when the connecting portion 21 is inserted into the through hole 12 and the slot body 11, and the upper shell 1a and the lower buckle 2 are connected and locked quickly, and the connection is very firm. Moreover, the limiting portion 32 is arranged on the key 3, and the accommodating groove 3a for accommodating the elastic reset piece 4 is formed between the two limiting portions 32, the opening of the accommodating groove 3a faces away from the lower buckle 2, and the buckle 33 is arranged on the side of the end of the limiting portion 32 towards the lower buckle 2, so that the accommodating area 3b for accommodating the connecting portion 21 formed between the two buckles 33 is arranged above the elastic reset piece 4, the key 3 does not need to be provided with an elastic arm, the structure of the key 3 is simplified, the structure of the whole upper buckle 1 is more compact and reasonable, and the connecting buckle 100 is smaller in size after connection.

[0031] The above disclosed is only the preferred embodiment of the utility model, and of course cannot limit the right scope of the utility model, so equivalent changes made according to the patent application scope of the utility model still belong to the range covered by the utility model.

Claims

1. A connecting buckle, characterized by: The application relates to a connecting buckle, which comprises an upper buckle body, a lower buckle body, a pair of keys and an elastic reset member, the upper buckle body is provided with through holes on one side facing the lower buckle body, the through holes are communicated with grooves on the opposite sides of the upper buckle body, the keys are slidably arranged in the grooves and are centrally symmetrically arranged, the keys comprise pressing parts, the pressing parts are provided with limiting parts on one side, the limiting parts are arranged between the pressing parts, the limiting parts are provided with accommodating grooves, the accommodating grooves are opened towards the lower buckle body, the elastic reset member is arranged in the accommodating grooves and elastically contacts the limiting parts of the keys, the limiting parts of the keys are respectively extended out of the two ends of the grooves, the limiting parts are provided with buckling parts on the ends facing the lower buckle body, the buckling parts are arranged between the limiting parts, the buckling parts are provided with accommodating areas, the accommodating areas are opened towards the lower buckle body and are aligned with the through holes, the lower buckle body is provided with a connecting part, when the connecting part is extended into the through holes and the accommodating areas, the buckling parts are clamped on the connecting part, so that the lower buckle body and the upper buckle body are locked and connected with each other.

2. The connector of claim 1, wherein: Arc-shaped surfaces are formed on the inner sides of the limiting parts, and the accommodating grooves are formed between the arc-shaped surfaces of the keys.

3. The connector of claim 1, wherein: The limiting parts are arranged on one side between the pressing parts and the limiting parts, the other side between the pressing parts and the limiting parts is provided with hollow areas, when the keys are arranged in the grooves, the pressing parts of one key are arranged in the hollow areas of the other key.

4. The connector of claim 1, wherein: The upper buckle body comprises an upper shell and a lower shell, the lower shell is provided with an opening groove with an opening upward, the upper shell is detachably connected to the lower shell, and the upper shell and the lower shell surround the groove.

5. The connector of claim 1, wherein: The connecting buckle further comprises a connecting ring, one side of the connecting ring is provided with a bushing, one side of the upper buckle body is provided with a connecting column, the other end of the connecting column is inserted into the bushing, and one end of the connecting column extended out of the bushing is provided with a clamping ring capable of abutting against the bushing.

6. The connector of claim 1, wherein: Steps are arranged at the two ends of the groove close to the outlet, and the limiting parts protrude relative to the pressing parts to abut against the steps.

7. The connector of claim 1, wherein: A clamping groove is formed on the outer side of the upper end of the connecting part in a circumferential direction.

8. The connector of claim 7, wherein: The opposite sides of the buckling parts of the keys are provided with arc-shaped clamping edges, and when the lower buckle body is connected to the upper buckle body, the clamping edges are clamped in the clamping groove.

9. The connector of claim 1, wherein: The elastic reset member is a compression spring.

10. The connector of claim 1, wherein: The connecting buckle further comprises a magnet and a magnetic attraction member capable of attracting the magnet, one of the magnet and the magnetic attraction member is arranged on the upper buckle body or the key, and the other is arranged on the end face of the connecting part of the lower buckle body.

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