Hasp

Abstract

The invention discloses a hasp which comprises a lock catch seat and a hasp seat, and the lock catch seat and the hasp seat are detachably connected. The hasp further comprises a locking mechanism, the locking mechanism is arranged between the lock catch base and the hasp base so as to lock the relative positions of the lock catch base and the hasp base when the lock catch base and the hasp base are connected, a plug capable of being inserted into the hasp base is arranged on the lock catch base, and the locking mechanism comprises a locking piece movably arranged in the hasp base. When the locking mechanism is in a locking state, the locking piece is matched with the plug; when the locking mechanism is in an unlocking state, the locking piece is separated from the plug, the hasp further comprises an unlocking piece movably arranged on the hasp seat, and the unlocking piece is matched with the locking piece, so that when the locking mechanism is in a locking state, the unlocking piece drives the locking mechanism to be unlocked when moving relative to the hasp seat. According to the hasp, after the lock catch base is connected with the hasp base, locking is reliable, and the hasp is very convenient to connect and disconnect.

Description

Technical Field

[0001] The present invention particularly relates to a buckle. Background Art

[0002] Some parts of backpacks, shoulder straps, child safety seats, and child strollers usually need to be connected or maintained in a certain state by buckles, and usually need to be able to quickly and conveniently unfasten the buckles. For example, when a child safety seat is in use, the seat belt assembly needs to be connected by buckles to restrain the child. Buckles in the prior art have the problems of complex structure, easy detachment during connection, and inconvenient operation. Summary of the invention

[0003] The purpose of the present invention is to provide a buckle with reliable connection and convenient operation in view of the deficiencies in the prior art.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A buckle comprises a buckle seat and a buckle seat, wherein the buckle seat and the buckle seat are detachably connected; the buckle also comprises a locking mechanism, wherein the locking mechanism is arranged between the buckle seat and the buckle seat to lock the relative position of the two when the buckle seat and the buckle seat are connected, the buckle seat is provided with a plug which can be inserted into the buckle seat, and the locking mechanism comprises a locking piece movably arranged in the buckle seat; when the locking mechanism is in a locked state, the locking piece cooperates with the plug; when the locking mechanism is in an unlocked state, the locking piece disengages from the plug, and the buckle also comprises an unlocking piece movably arranged on the buckle seat, the unlocking piece cooperates with the locking piece, so that when the locking mechanism is in the locked state, the unlocking piece drives the locking mechanism to be unlocked when the unlocking piece moves relative to the buckle seat.

[0006] In some embodiments, one of the locking member and the plug is provided with a first protrusion, and the other is provided with a first recess matched with the first protrusion; when the locking mechanism is in a locked state, the first protrusion is stuck in the first recess; when the locking mechanism is in an unlocked state, the first protrusion is disengaged from the first recess;

[0007] The buckle further comprises an elastic member, and two ends of the elastic member are respectively arranged on the buckle seat and the locking member to drive the first protrusion to be clamped into the first recess.

[0008] In some embodiments, when the plug is inserted into the buckle seat, the locking member blocks the moving path of the plug inserted into the buckle seat, and the plug can cooperate with the locking member to drive the locking member to move relative to the buckle seat away from the moving path.

[0009] In some embodiments, a first inclined surface is provided on the plug, and a second inclined surface matched with the first inclined surface is provided on the locking member. When the plug is inserted into the buckle seat, the first inclined surface can be abutted against and matched with the second inclined surface, so that the locking member moves relative to the buckle seat away from the moving path.

[0010] In some embodiments, a third inclined surface is provided on the unlocking member, and a fourth inclined surface matched with the third inclined surface is provided on the locking member. The third inclined surface and the fourth inclined surface are abutted against each other to drive the locking mechanism to unlock when the unlocking member moves relative to the buckle seat.

[0011] In some embodiments, the locking member is movably arranged on opposite sides of the buckle seat, the unlocking member can be slidably arranged on the buckle seat, and the third inclined surface is arranged on the corresponding two sides of the unlocking member, and the third inclined surface on each side is respectively abutted against the fourth inclined surface on the corresponding side.

[0012] In some embodiments, a fifth inclined surface is further provided on the unlocking member, and a first inclined surface is provided on the plug. The fifth inclined surface can be abutted against and matched with the first inclined surface, so that the locking seat moves in a direction of escaping from the buckle seat.

[0013] In some embodiments, a first magnetic component is provided between the locking seat and the buckle seat for driving the locking seat to move in a direction in which the plug is inserted into the buckle seat, the first magnetic component includes a first magnet and a second magnet with opposite or same magnetic properties, the positions of the first magnet and the second magnet correspond to each other, the first magnet is provided on the locking seat, and the second magnet is provided on the buckle seat.

[0014] In some embodiments, the locking seat includes a plurality of seat bodies, and a connecting structure is provided between two adjacent seat bodies to enable the two seat bodies to cooperate and connect with each other;

[0015] A second magnetic component is also arranged between two adjacent seat bodies to bring the two seat bodies closer to each other. The second magnetic component includes a third magnet and a fourth magnet with opposite or same magnetic properties. The positions of the third magnet and the fourth magnet correspond to each other. The third magnet is arranged on one seat body, and the fourth magnet is arranged on the other seat body adjacent to it.

[0016] In some embodiments, the number of the seats is two or four.

[0017] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: when the buckle of the present invention is connected with the buckle seat, when the plug is inserted into the buckle seat, the buckle seat and the buckle seat can be locked by the cooperation of the locking member and the plug, so that the buckle seat and the buckle seat are convenient to connect, and the connection between the two is reliable and not easy to be disengaged. Moreover, when the buckle seat and the buckle seat are disconnected, as long as the unlocking member is operated to move relative to the buckle seat, the cooperation between the locking member and the plug can be disengaged, and the buckle seat can be disengaged from the buckle seat. This makes the connection and disconnection operations of the buckle very convenient, and is convenient for the use of the buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Attached Figure 1 is a three-dimensional schematic diagram of the buckle of this embodiment;

[0019] Attached Figure 2 is a front view schematic diagram of the buckle of this embodiment;

[0020] Attached Figure 3 For attachment Figure 2 A schematic cross-sectional view along line AA;

[0021] Attached Figure 4 is a schematic top view of the buckle of this embodiment;

[0022] Attached Figure 5 For attachment Figure 4 A schematic cross-sectional view along line AA;

[0023] Attached Figure 6 is an exploded schematic diagram of the buckle seat and the components arranged thereon in this embodiment;

[0024] Attached Figure 7 This is an exploded schematic diagram of the lock seat of this embodiment;

[0025] Attached Figure 8 is an exploded schematic diagram of the first seat body of this embodiment;

[0026] Attached Fig. 9 is a three-dimensional schematic diagram of the first seat body of this embodiment;

[0027] Attached Fig.10 is an exploded schematic diagram of the second seat body of this embodiment;

[0028] Attached Fig.11 is a three-dimensional schematic diagram of the second seat body of this embodiment;

[0029] Attached Fig.12 is an exploded schematic diagram of the third seat body of this embodiment;

[0030] Attached Fig.13 is a three-dimensional schematic diagram of the third seat body of this embodiment;

[0031] Attached Fig.14 is an exploded schematic diagram of the fourth seat body of this embodiment;

[0032] Attached Fig.15 is a three-dimensional schematic diagram of a fourth seat body of this embodiment;

[0033] Attached Fig.16 This is a schematic diagram of the locking seat of this embodiment when it is assembled;

[0034] Attached Fig.17 It is a schematic diagram of the locking seat and the buckle seat of this embodiment when they are assembled.

[0035] Among them: 1. buckle seat; 2. lock seat; 21. first seat body; 211. plug; 211a. first recess; 211b. first inclined surface; 212. first plug hole; 213. third plug hole; 214. second recess; 215. fourth recess; 22. second seat body; 221. first column; 222. second plug hole; 223. second protrusion; 224. third recess; 23. third seat body; 231. second column; 24. fourth seat body; 241. third column; 3. locking member; 31. first protrusion; 32. second inclined surface; 33. fourth inclined surface; 4. elastic member; 5. unlocking member; 51. third inclined surface; 52. fifth inclined surface; 61. first magnet; 62. second magnet; 71. third magnet; 72. fourth magnet; 8. connecting part. DETAILED DESCRIPTION

[0036] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] like Figure 1 to Figure 5 As shown, the buckle of the present invention comprises a buckle seat 1 and a locking seat 2, and the locking seat 2 is detachably connected to the buckle seat 1.

[0038] The buckle also includes a locking mechanism, and when the lock seat 2 is connected to the buckle seat 1, the relative position between the lock seat 2 and the buckle seat 1 is locked by the locking mechanism. When the locking mechanism is unlocked, the lock seat 2 can be separated from the buckle seat 1.

[0039] The buckle seat 1 is provided with a hollow cavity, and the lock seat 2 is provided with a plug 211. When the lock seat 2 is connected with the buckle seat 1, the plug 211 is inserted into the hollow cavity of the buckle seat 1. The locking mechanism includes a locking member 3, and the locking member 3 is movably arranged in the hollow cavity of the buckle seat 1. When the locking mechanism is in a locked state, the locking member 3 cooperates with the plug 211, and the plug 211 cannot move relative to the buckle seat 1, thereby locking the position of the buckle seat 2 and the buckle seat 1, so that the buckle seat 2 and the buckle seat 1 cannot be separated. Figure 3When the locking mechanism is in the unlocked state, the lock member 3 and the plug 211 are disengaged, and the plug 211 can be disengaged from the hollow cavity of the buckle seat 1, so that the lock seat 2 is separated from the buckle seat 1.

[0040] Specifically, one of the locking member 3 and the plug 211 is provided with a first protrusion 31, and the other is provided with a first recess 211a that matches the first protrusion 31. When the locking mechanism is in a locked state, the first protrusion 31 is stuck in the first recess 211a, thereby blocking the movement of the plug 211. Figure 3 When the locking mechanism is in the unlocked state, the first protrusion 31 is disengaged from the first recess 211a, so that the blocking effect of the locking member 3 on the plug 211 disappears, and the plug 211 can move relative to the buckle seat 1, so that the locking seat 2 is separated from the buckle seat 1.

[0041] In this embodiment, the locking member 3 is rotatably disposed on opposite sides of the hollow cavity of the buckle seat 1, the first convex portion 31 is respectively disposed on the locking member 3 on each side, and the first concave portion 211a is disposed on the plug 211. The plug 211 is cylindrical, the first concave portion 211a is an annular groove extending along the circumferential direction of the plug 211, and the first convex portion 31 is detachably engaged with the annular groove.

[0042] The buckle further includes an elastic member 4, one end of which is disposed on the buckle seat 1, and the other end of which is disposed on the locking member 3. The elastic force of the elastic member 4 is used to drive the locking member 3 to move in a direction in which the first protrusion 31 is inserted into the first recess 211a. Corresponding to the locking member 3, the elastic members 4 are also disposed on opposite sides of the hollow cavity of the buckle seat 1.

[0043] When the lock seat 2 is not connected to the buckle seat 1, the lock member 3 is located on the moving path of the plug 211 inserted into the buckle seat 1 under the elastic force of the elastic member 4, thereby blocking the insertion of the plug 211. Based on this, the plug 211 can cooperate with the lock member 3, so that when the plug 211 moves, it can act on the lock member 3, so that the lock member 3 moves away from the moving path of the plug 211, and the lock member 3 will not block the plug 211 from being inserted into the buckle seat 1, thereby achieving the connection between the lock seat 2 and the buckle seat 1.

[0044] Specifically, Figure 6 and Figure 7As shown, the plug 211 is provided with a first inclined surface 211b, and the locking member 3 is provided with a second inclined surface 32 adapted to the first inclined surface 211b. When the locking seat 2 is connected to the buckle seat 1, after the plug 211 is inserted into the buckle seat 1 for a certain distance, the first inclined surface 211b and the second inclined surface 32 are abutted against each other. When the plug 211 continues to be inserted into the buckle seat 1, the first inclined surface 211b and the second inclined surface 32 interact with each other, so that the locking member 3 moves relative to the buckle seat 1, thereby moving away from the moving path of the plug 211 inserted into the buckle seat 1.

[0045] In this embodiment, the second inclined surface 32 is disposed on a side surface of the first protrusion 31 disposed toward the lock seat 2 , and the first inclined surface 211 b is formed by a conical surface disposed at the end of the plug 211 .

[0046] The buckle further includes an unlocking member 5, which is movably disposed on the buckle seat 1. When the locking mechanism moves the unlocking member 5 relative to the buckle seat 1 in the locked state, the unlocking member 5 can act on the locking member 3, so that the locking member 3 moves in a direction that causes the first protrusion 31 to escape from the first recess 211a, thereby unlocking the locking mechanism.

[0047] Specifically, Figure 5 and Figure 6 As shown, the unlocking member 5 is provided with a third inclined surface 51, and the locking member 3 is provided with a fourth inclined surface 33 adapted to the third inclined surface 51, and the third inclined surface 51 and the fourth inclined surface 33 are arranged to abut against each other. When the locking mechanism is in a locked state, when the unlocking member 5 moves relative to the buckle seat 1, the third inclined surface 51 and the fourth inclined surface 33 interact with each other, so that the locking member 3 moves relative to the buckle seat 1, so that the first protrusion 31 is disengaged from the first recess 211a, that is, the locking mechanism is unlocked.

[0048] Two unlocking members 5 can be provided corresponding to the two locking members 3. When the locking mechanism is unlocked, the two unlocking members 5 need to be operated separately. When each unlocking member 5 is actuated, the corresponding locking member 3 rotates. The locking mechanism is unlocked only after the two locking members 3 rotate relative to the buckle seat 1 to make the first protrusion 31 disengage from the first recess 211a.

[0049] In this embodiment, only one unlocking member 5 is provided, and the unlocking member 5 can be slidably provided on the buckle seat 1. The corresponding two sides of the unlocking member 5 are provided with third inclined surfaces 51, and the third inclined surfaces 51 on each side are respectively matched with the fourth inclined surfaces 33 on the corresponding side. Only one unlocking member 5 is provided, so that the structure of the buckle is simple and the structural volume of the buckle can be reduced. Moreover, when the locking mechanism is unlocked, the operation is convenient, and the two locking members 3 can be made to act synchronously, which can avoid that when two unlocking members 5 are provided, the two unlocking members 5 act asynchronously, so that the locking member 3 on one side rotates relative to the buckle seat 1 to make the first protrusion 31 disengage from the first recess 211a, while the first protrusion 31 on the locking member 3 on the other side has not yet disengaged from the first recess 211a, so that the locking mechanism cannot be unlocked.

[0050] In the process of unlocking the locking mechanism by operating the unlocking member 5, the unlocking member 5 can also cooperate with the plug 211 to act on the plug 211, so that the plug 211 moves in the direction of escaping from the hollow cavity of the buckle seat 1, thereby facilitating the rapid separation of the lock seat 2 and the buckle seat 1.

[0051] Specifically, a fifth inclined surface 52 is also provided on the unlocking member 5. When the locking mechanism is in a locked state and the unlocking member 5 moves relative to the buckle seat 1 to unlock the locking mechanism, when the unlocking member 5 continues to move relative to the buckle seat 1, the fifth inclined surface 52 can be abutted against and cooperated with the first inclined surface 211b, so that the fifth inclined surface 52 interacts with the first inclined surface 211b, so that the buckle seat 2 moves in the direction of escaping from the hollow cavity of the buckle seat 1.

[0052] In this embodiment, the lock seat 2 may include a plurality of seats, and a connection structure is provided between two adjacent seats to enable the two seats to be matched and connected with each other. After the two adjacent seats are connected by the connection structure, the whole formed by the lock seat 2 is not easy to fall apart, so that the lock seat 2 as a whole is easy to be plugged and connected with the buckle seat 1.

[0053] The buckle can be applied to a safety belt assembly. For a three-point safety belt assembly and a five-point safety belt assembly, the seat body can be provided with two or four buckles.

[0054] This embodiment takes the case where four seats are provided as an example. Figure 7 to Figure 16 As shown, the four base bodies are specifically a first base body 21 , a second base body 22 , a third base body 23 and a fourth base body 24 .

[0055] The first seat body 21 and the second seat body 22 are connected by a connecting structure, which includes a first column 221 arranged on one of the first seat body 21 and the second seat body 22 and a first socket 212 arranged on the other. After the first seat body 21 and the second seat body 22 are connected, the first column 221 is inserted into the first socket 212.

[0056] The second seat body 22 and the third seat body 23 are connected by a connecting structure, which includes a second column 231 arranged on one of the second seat body 22 and the third seat body 23 and a second socket 222 arranged on the other. After the second seat body 22 and the third seat body 23 are connected, the second column 231 is inserted into the second socket 222.

[0057] The first seat body 21 and the fourth seat body 24 are connected by a connecting structure, which includes a third column 241 arranged on one of the first seat body 21 and the fourth seat body 24 and a third socket 213 arranged on the other. After the first seat body 21 and the fourth seat body 24 are connected, the third column 241 is inserted into the third socket 213.

[0058] The first base body 21 is also provided with a second recessed portion 214, and the second base body 22 is provided with a second protruding portion 223. When the first base body 21 and the second base body 22 are connected, the second protruding portion 223 is embedded in the second recessed portion 214. The second base body 22 is provided with a third recessed portion 224. When the second base body 22 and the third base body 23 are connected, the third base body 23 is partially embedded in the third recessed portion 224. The first base body 21 is also provided with a fourth recessed portion 215. When the fourth base body 24 and the first base body 21 are connected, the fourth base body 24 is partially embedded in the fourth recessed portion 215. In this way, after the first seat body 21, the second seat body 22, the third seat body 23 and the fourth seat body 24 are connected to form the lock seat 2, the inner surfaces of the first seat body 21, the second seat body 22, the third seat body 23 and the fourth seat body 24 are located in the same plane, and the central area of ​​the lock seat 2 forms a concave surface away from the buckle seat 1, which matches the outer surface of the buckle seat 1 close to the lock seat 1, so that the lock seat 2 and the buckle seat 1 can fit together after the connection, making the connection more stable.

[0059] The plug 211 is arranged on the first seat 21, so that the manufacturing process of the plug 211 is simple, and the reliability is better when the locking member 3 cooperates with the plug 211 to lock. Of course, the plug 211 can also be arranged on multiple seats as needed.

[0060] In this embodiment, the outer contour surface formed by the connection of the first seat body 21, the second seat body 22, the third seat body 23, the fourth seat body 24 and the buckle seat 1 is circular, so that the buckle has a beautiful appearance. The first seat body 21, the second seat body 22, the third seat body 23, the fourth seat body 24 and the buckle seat 1 are also provided with a connecting portion 8 near the outer side, and the connecting portion 8 is used to connect the buckle with other components, such as in a seat belt assembly, the connecting portion is used to connect the seat belt. In this embodiment, the connecting portion 8 is a slot extending in the circumferential direction, and the seat belt is inserted into the slot.

[0061] The buckle also includes a first magnetic component, which is arranged between the lock seat 2 and the buckle seat 1, so that when the lock seat 2 is connected to the buckle seat 1, the magnetic attraction of the first magnetic component can make the lock seat 2 automatically move in the direction of inserting the plug 211 into the buckle seat 1, thereby facilitating the connection between the lock seat 2 and the buckle seat 1.

[0062] The first magnetic component includes a first magnet 61 and a second magnet 62 with opposite or same magnetic properties. The positions of the first magnet 61 and the second magnet 62 correspond to each other. The first magnet 61 is arranged on the lock seat 2, and the second magnet 62 is arranged on the buckle seat 1.

[0063] The buckle also includes a second magnetic component, which is respectively arranged between two adjacent bases. When the two bases are connected, the two bases can be automatically brought close to each other through the magnetic attraction of the second magnetic component, thereby facilitating the connection of the two bases and making it difficult for the two bases to be detached after being connected.

[0064] The second magnetic assembly includes a third magnet 71 and a fourth magnet 72 with opposite or same magnetic properties. The third magnet 71 and the fourth magnet 72 are located in corresponding positions. The third magnet 71 is arranged on one seat, and the fourth magnet 72 is arranged on another seat adjacent thereto.

[0065] The buckle works as follows:

[0066] The second seat body 22 is connected to the first seat body 21 under the action of the magnetic attraction of the second magnetic component, the third seat body 23 is connected to the second seat body 22 under the action of the magnetic attraction of the second magnetic component, and the fourth seat body 24 is connected to the first seat body 21 under the action of the magnetic attraction of the second magnetic component, so as to form a locking seat 2, such as Fig.16 As shown. Fig.17 As shown, the lock seat 2 as a whole moves in the direction of inserting the plug 211 into the buckle seat 1 under the action of the magnetic attraction of the first magnetic component, and the locking members 3 on both sides rotate in the direction away from the moving path of the plug 211 through the interaction between the first inclined surface 211b and the second inclined surface 32 until the plug 211 is inserted into place. The locking members 3 on both sides rotate in opposite directions under the elastic force of the elastic member 4, so that the first protrusion 31 is stuck in the first recess 211a, that is, the locking mechanism is locked, thereby locking the relative position between the lock seat 2 and the buckle seat 1.

[0067] When the lock seat 2 needs to be separated from the buckle seat 1, the unlocking member 5 is pressed, and the third inclined surface 51 and the fourth inclined surface 33 cooperate to make the lock member 3 rotate relative to the buckle seat 1, so that the first protrusion 31 is disengaged from the first recess 211a, and the locking mechanism is unlocked. After the locking mechanism is unlocked, when the unlocking member 5 is continued to be pressed, the fifth inclined surface 52 can be matched with the first inclined surface 211b, thereby driving the plug 211 to move in the direction of disengaging from the hollow cavity of the buckle seat 1. This force can offset part of the magnetic attraction of the first magnetic component, so that the lock seat 2 can be easily disengaged from the buckle seat 1.

[0068] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A buckle, characterized in that: The latch comprises a locking member and a buckle seat, wherein the locking member and the buckle seat are detachably connected; the buckle further comprises a locking mechanism, wherein the locking mechanism is arranged between the locking member and the buckle seat to lock the relative positions of the two when the locking member and the buckle seat are connected, the locking member is provided with a plug which can be inserted into the buckle seat, and the locking mechanism comprises a locking member movably arranged in the buckle seat; when the locking mechanism is in a locked state, the locking member cooperates with the plug; when the locking mechanism is in an unlocked state, the locking member disengages from the plug, and the buckle further comprises an unlocking member movably arranged on the buckle seat, wherein the unlocking member cooperates with the locking member, so that when the locking mechanism is in a locked state, the unlocking member drives the locking mechanism to be unlocked when the unlocking member moves relative to the buckle seat.

2. The buckle according to claim 1, characterized in that: A first convex portion is provided on one of the locking member and the plug, and a first concave portion matching with the first convex portion is provided on the other; when the locking mechanism is in a locked state, the first convex portion is clamped in the first concave portion; When the locking mechanism is in an unlocked state, the first protrusion is disengaged from the first recess; The buckle further comprises an elastic member, and two ends of the elastic member are respectively arranged on the buckle seat and the locking member to drive the first protrusion to be clamped into the first recess.

3. The buckle according to claim 1, characterized in that: When the plug is inserted into the buckle seat, the locking element blocks the moving path of the plug inserted into the buckle seat, and the plug can cooperate with the locking element to drive the locking element to move relative to the buckle seat away from the moving path.

4. The buckle according to claim 3, characterized in that: The plug is provided with a first inclined surface, and the locking member is provided with a second inclined surface adapted to the first inclined surface. When the plug is inserted into the buckle seat, the first inclined surface can be abutted against and matched with the second inclined surface, so that the locking member moves relative to the buckle seat away from the moving path.

5. The buckle according to claim 1, characterized in that: The unlocking member is provided with a third inclined surface, and the locking member is provided with a fourth inclined surface matched with the third inclined surface. The third inclined surface and the fourth inclined surface are matched with each other to drive the locking mechanism to unlock when the unlocking member moves relative to the buckle seat.

6. The buckle according to claim 5, characterized in that: The locking member is movably arranged on the opposite sides of the buckle seat, and the unlocking member can be slidably arranged on the buckle seat. The corresponding two sides of the unlocking member are provided with the third inclined surface, and the third inclined surface on each side is respectively abutted and matched with the fourth inclined surface on the corresponding side.

7. The buckle according to claim 1, characterized in that: The unlocking member is also provided with a fifth inclined surface, and the plug is provided with a first inclined surface. The fifth inclined surface can be abutted against and matched with the first inclined surface, so that the lock seat moves in a direction of escaping from the buckle seat.

8. The buckle according to claim 1, characterized in that: A first magnetic component is arranged between the lock seat and the buckle seat, and is used to drive the lock seat to move in the direction of inserting the plug into the buckle seat. The first magnetic component includes a first magnet and a second magnet with opposite or same magnetic properties, and the positions of the first magnet and the second magnet correspond to each other. The first magnet is arranged on the lock seat, and the second magnet is arranged on the buckle seat.

9. The buckle according to claim 1, characterized in that: The lock seat includes a plurality of seat bodies, and a connecting structure is provided between two adjacent seat bodies to enable the two seat bodies to cooperate and connect with each other; A second magnetic component is also arranged between two adjacent seat bodies to bring the two seat bodies closer to each other. The second magnetic component includes a third magnet and a fourth magnet with opposite or same magnetic properties. The positions of the third magnet and the fourth magnet correspond to each other. The third magnet is arranged on one seat body, and the fourth magnet is arranged on the other seat body adjacent to it.

10. The buckle according to claim 9, characterized in that: The seat bodies are provided with two or four.

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