Automatic pop-up metal knapsack buckle

Abstract

The utility model discloses an automatic pop-up metal knapsack buckle which comprises a male buckle and a female buckle, the female buckle is provided with a containing cavity with an opening in one side, the female buckle is provided with a buckle piece, the male buckle is provided with an inserting buckle rod, the inserting buckle rod is inserted into the containing cavity, and the buckle piece is clamped with the inserting buckle rod; an ejection mechanism is arranged between the female buckle and the insertion buckle rod and comprises a first magnet and a second magnet, the first magnet is arranged at the bottom of the containing cavity, the second magnet is arranged at the end of the insertion buckle rod, and the magnetic poles of the two opposite ends of the first magnet and the second magnet are opposite. When the buckle piece releases the buckle rod, the buckle rod is pushed to move in the direction away from the containing cavity through the repulsive force of the two magnetic poles. After the metal knapsack buckle capable of being automatically popped up is unlocked, the male buckle can be automatically popped up from the female buckle, the male buckle and the female buckle are prevented from being locked again, and unlocking is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to a backpack belt connector, especially to a metal backpack buckle which can automatically pop out and is convenient and fast to operate. BACKGROUND

[0002] The general backpack buckle is composed of a male buckle and a female buckle, and the pin on the male buckle is inserted into the female buckle to realize the buckle function, so as to separate and combine the male and female buckles. In the unlocking process of the existing male and female buckles, they cannot automatically pop out and separate, so the male buckle is prone to be locked again due to the untimely pulling out in the separation process, and needs to be opened again, which is not convenient and fast and affects the user experience. In addition, the traditional backpack buckle is generally made of nylon material and is prone to damage under extrusion or impact, which cannot meet the needs of the users for the backpack buckle. Moreover, in the locking process of the backpack buckle, the pin on the male buckle is clamped on the female buckle through the elastic action of the pin itself to realize the locking function of the male and female buckles, but the elasticity of the pin will decrease after frequent use, so the pin cannot provide enough locking force to clamp on the female buckle, which leads to the accidental separation of the male and female buckles and affects the user experience. SUMMARY

[0003] The utility model aims at providing a metal backpack buckle which can automatically pop out the female buckle after unlocking to avoid the relocking of the two buckles and is convenient and fast to unlock.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a metal backpack buckle which can automatically pop out and includes a male buckle and a female buckle. The female buckle is provided with a receiving cavity with one side being open. The female buckle is provided with a buckle piece. The male buckle is provided with a plug-in buckle rod. The plug-in buckle rod is inserted into the receiving cavity. The buckle piece is clamped with the plug-in buckle rod. A pop-out mechanism is arranged between the female buckle and the plug-in buckle rod. The pop-out mechanism includes a first magnet and a second magnet. The first magnet is arranged at the bottom of the receiving cavity. The second magnet is arranged at the end of the plug-in buckle rod. The magnetic poles of the opposite ends of the first magnet and the second magnet are opposite, so that when the buckle piece releases the plug-in buckle rod, the plug-in buckle rod is pushed to move away from the receiving cavity through the repulsive force of the two magnetic poles.

[0005] Compared with the prior art, the utility model discloses a first magnet is arranged at the bottom of the accommodating cavity of the female buckle, and a second magnet is arranged at the end of the plug-in buckle rod of the male buckle, the polarity of the two ends of the first magnet and the second magnet is opposite, and when the male buckle is connected to the female buckle and the plug-in buckle rod is close to the bottom of the accommodating cavity, repulsion is generated between the male buckle and the female buckle, and when the female buckle and the male buckle are unlocked, the male buckle is automatically pushed away from the female buckle by the repulsion, the situation that the male buckle and the female buckle are locked again because the user does not separate them in time is prevented, and the user needs to operate twice to unlock.

[0006] Preferably, the buckle members are symmetrically pivoted to opposite sides of the accommodating cavity, and the plug-in buckle rod is inserted into the accommodating cavity and located between the two buckle members. Thus, unlike the conventional mode of locking the male buckle pin and the female buckle, the plug-in buckle rod can be prevented from aging or fatigue to reduce the locking force, and the firmness, stability and reliability of the connection between the male and female buckles are ensured.

[0007] Specifically, the buckle member comprises a clamping portion, a pressing portion and a pivoting portion, the pivoting portion is rotatably arranged in the female buckle through a pivoting shaft, opposite sides of the female buckle are provided with through holes, the pressing portion of each buckle member is located at the through hole on the same side thereof, opposite sides of the front end of the plug-in buckle rod are provided with clamping grooves, and the clamping portion is clamped in the clamping groove corresponding thereto. The buckle member is pivoted in the female buckle through the pivoting portion, so that the clamping portion can be driven to approach or move away from the clamping groove of the plug-in buckle rod through the pressing portion, the purpose of locking or releasing is achieved, and the structure is simple and the operation is very convenient.

[0008] Preferably, the automatic ejection metal backpack buckle further comprises an elastic reset member, the elastic reset member is arranged between the female buckle and the buckle member, so that the buckle member is automatically clamped with the plug-in buckle rod. Through the arrangement of the elastic reset member, the buckle member can be automatically rotated and clamped with the plug-in buckle.

[0009] Specifically, opposite sides of the female buckle are provided with accommodating grooves, and the elastic reset member is arranged in the accommodating groove. In this way, the position of the elastic reset member in the female buckle can be prevented from deviating, and the stability of the automatic ejection metal backpack buckle is effectively improved.

[0010] Preferably, the male buckle is provided with a first ring, and the female buckle is provided with a second ring. Through the arrangement of the ring, the male buckle and the female buckle can be connected to the connecting belt respectively, so that the automatic ejection metal backpack buckle can be applied to various belt-shaped connection structures, and the applicability of the automatic ejection metal backpack buckle is improved.

[0011] Preferably, the bottom of the accommodating cavity is provided with a first positioning hole, and the first positioning hole accommodates and fixes the first magnet.

[0012] Preferably, the side of the inserting buckle rod is outwardly provided with a guide protrusion, and the guide protrusion extends along the length direction of the inserting buckle rod; and the side of the outer shell of the female buckle is provided with a guide groove, and the guide groove extends to the opening edge of the accommodating cavity, so that the guide protrusion is slidingly inserted. By matching the guide protrusion with the guide groove, the male buckle and the female buckle can be more conveniently and smoothly inserted, and the alignment of the male buckle and the female buckle can be more accurate and fast, and the operation convenience can be effectively improved.

[0013] Preferably, the male buckle, the female buckle and the buckle member are made of stainless steel 316, stainless steel 304, stainless steel 402, stainless steel 404, aluminum alloy, copper alloy or titanium alloy.

[0014] Preferably, the female buckle comprises an upper shell and a cover plate, and the cover plate covers the upper shell to enclose the accommodating cavity. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the automatic metal backpack buckle of the utility model.

[0016] Figure 2 is an internal structure view of the male buckle and the female buckle of the automatic metal backpack buckle of the utility model when the male buckle and the female buckle are buckled with each other.

[0017] Figure 3 is an exploded view of the male buckle and the female buckle of the automatic metal backpack buckle of the utility model.

[0018] Figure 4 is a state view of the male buckle and the female buckle of the automatic metal backpack buckle of the utility model when the male buckle and the female buckle are unlocked.

[0019] Figure 5 is a state view of the male buckle and the female buckle of the automatic metal backpack buckle of the utility model when the male buckle and the female buckle are separated from each other. DETAILED DESCRIPTION

[0020] In order to make the technical content, structural features and effects of the utility model more clear, the following will be described in detail in combination with the embodiments and the drawings.

[0021] As Figures 1 to 3The utility model discloses a metal backpack buckle 100 of automatic ejection including male buckle 1 and female buckle 2, female buckle 2 is equipped with one side and presents the accommodation cavity 2a of opening 2b, the opening 2b is supplied male buckle 1 and inserts. Female buckle 2 is equipped with buckle piece 3, male buckle 1 is equipped with inserting buckle rod 11, inserting buckle rod 11 is inserted in the accommodation cavity 2a, and buckle piece 3 is clamped with inserting buckle rod 11, and buckle piece 3 is symmetrically hinged to the opposite sides of the accommodation cavity 2a, and inserting buckle rod 11 is inserted in the accommodation cavity 2a and is located between two buckle pieces 3, and two buckle pieces 3 are clamped with inserting buckle rod 11 and are connected. This is different from the mode of two inserting pins and female buckle 2 locking of traditional male buckle 1, so that the inserting pin can avoid aging or fatigue and reduce locking force, guarantee the firmness, stability and reliability of male and female buckle 2 connection. In addition, male buckle 1, female buckle 2 and buckle piece 3 are all made of stainless steel of model 316, stainless steel of model 304, stainless steel of model 402, stainless steel of model 404, aluminum alloy, copper alloy or titanium alloy material, so that the appearance is more beautiful and elegant, and the durability is higher.

[0022] Please refer to Figure 2 And Figure 3 Female buckle 2 and inserting buckle rod 11 are equipped with ejection mechanism 4 between them, and ejection mechanism 4 includes first magnet 41 and second magnet 42, first magnet 41 is arranged at the bottom of accommodation cavity 2a, second magnet 42 is arranged at the end of inserting buckle rod 11, the magnetic poles of the opposite ends of first magnet 41 and second magnet 42 are opposite, so that when buckle piece 3 releases the lock of inserting buckle rod 11, the repulsive force of two magnetic poles pushes inserting buckle rod 11 to move in the direction of leaving accommodation cavity 2a. Specifically, the bottom of accommodation cavity 2a is provided with first positioning hole 2c, and first positioning hole 2c accommodates and fixes first magnet 41, and the front end surface of inserting buckle rod 11 is provided with second positioning hole 11a, and second positioning hole 11a accommodates and fixes second magnet 42. By setting first positioning hole 2c and second positioning hole 11a, first magnet 41 and second magnet 42 can be hidden in accommodation cavity 2a and the front end of inserting buckle rod respectively, so that the structure of metal backpack buckle 100 of automatic ejection is more compact and reasonable.

[0023] Please refer to Figure 2 And Figure 3The buckle 3 comprises a clamping portion 31, a pressing portion 32 and a pivoting portion 33. The pressing portion 32 is arranged at one end of the pivoting portion 33, and the clamping portion 31 is arranged at the other end of the pivoting portion 33 away from the pressing portion 32. The pivoting portion 33 is rotatably arranged in the female buckle 2 through a pivoting shaft 33a. The female buckle 2 is provided with through holes 2d on opposite sides, which communicate with the accommodating cavity 2a. The pressing portion 32 of each buckle 3 is arranged at the through hole 2d on the same side. The front end of the plug-in buckle rod 11 is provided with clamping grooves 1a on opposite sides. When the male buckle 1 is connected with the female buckle 2, the clamping portion 31 extends into the accommodating cavity 2a and is clamped in the corresponding clamping groove 1a. The buckle 3 is pivoted in the female buckle 2 through the pivoting portion 33, so that the clamping portion 31 can be driven to approach or move away from the clamping groove 1a of the plug-in buckle rod 11 through the pressing portion 32, thereby achieving the purpose of locking or releasing. The structure is simple and the operation is very convenient.

[0024] Further, as shown in Figures 2 to 5 , the automatically ejected metal backpack buckle 100 further comprises an elastic reset member 5 arranged between the female buckle 2 and the buckle 3, so that the buckle 3 automatically extends into the accommodating cavity 2a and is clamped with the clamping groove 1a of the plug-in buckle rod 11. The elastic reset member 5 is a compression spring. By arranging the elastic reset member 5, the buckle 3 can be automatically rotated and clamped with the plug-in buckle. Specifically, opposite sides inside the female buckle 2 are provided with accommodating grooves 2e, and the elastic reset member 5 is arranged in the accommodating grooves 2e. The accommodating grooves 2e are U-shaped structures and communicate with the accommodating cavity 2a. By arranging the accommodating grooves 2e, the position of the elastic reset member 5 can be prevented from deviating in the female buckle 2, effectively improving the stability of the automatically ejected metal backpack buckle 100.

[0025] Please refer to Figure 1 and Figure 2 , the male buckle 1 is provided with a first belt ring 12, and the female buckle 2 is provided with a second belt ring 21. By arranging the belt ring, the male buckle 1 and the female buckle 2 can be connected with the connecting belt respectively, so that the automatically ejected metal backpack buckle 100 can be applied to various belt-shaped connecting structures, improving the applicability of the automatically ejected metal backpack buckle 100.

[0026] Further, please refer to Figure 1 and Figure 2The side of the inserting buckle rod 11 is outwardly provided with a guide protrusion 11b extending along the length direction of the inserting buckle rod 11; the side of the female buckle 2 is provided with a guide groove 2f extending to the opening edge of the accommodating cavity 2a for sliding insertion of the guide protrusion 11b. The cooperation of the guide protrusion 11b and the guide groove 2f can make the male buckle 1 and the female buckle 2 more convenient and fluent in plugging, and can make the alignment of the male buckle 1 and the female buckle 2 more accurate and fast, effectively improving the convenience of operation. The female buckle 2 comprises an upper shell 22 and a cover plate 23 covering the upper shell 22 to enclose the accommodating cavity 2a. The guide groove 2f is formed on the cover plate 23.

[0027] In addition, referring to Figure 3 The front end of the inserting buckle rod 11 is provided with an arrow-shaped structure 11c. In this way, the male buckle 1 can be more easily inserted into the female buckle 2, further improving the convenience of operation.

[0028] In combination with the above and Figure 2 , Figure 4 and Figure 5 , the working principle of the automatic metal backpack buckle 100 will be described in detail as follows:

[0029] When it is needed to connect and lock the automatic metal backpack buckle 100, the inserting buckle rod 11 of the male buckle 1 is inserted into the accommodating cavity 2a from the opening 2b of the female buckle 2. The arrow-shaped structure at the front end of the inserting buckle rod 11 pushes open the buckle piece 3, and finally the front end of the inserting buckle rod 11 is close to the bottom of the accommodating cavity 2a. At this time, the clamping groove 1a is opposite to the buckle piece 3, the buckle piece 3 is reset under the elastic force of the elastic reset piece 5, so that the clamping part 31 is clamped on the clamping groove 1a, at this time, the inserting buckle rod 11 is blocked by the clamping part 31 and cannot pass out, so that the male buckle 1 and the female buckle 2 are locked and connected with each other.

[0030] When it is needed to disconnect the automatic metal backpack buckle 100, the pressing part 32 of the buckle piece 3 on the female buckle 2 is pressed at the same time, so that the buckle piece 3 is rotated and drives the clamping part 31 to compress the elastic reset piece 5. Therefore, the clamping part 31 is separated from the clamping groove 1a, at this time, the buckle piece 3 releases the lock of the inserting buckle rod 11, and the male buckle 1 can exit the accommodating cavity 2a, so that the male buckle is disconnected with the female buckle 2 and is disconnected.

[0031] Compared with the prior art, the utility model discloses a first magnet 41 is arranged at the bottom of the accommodating cavity 2a of the female buckle 2, and a second magnet 42 is arranged at the end of the plug-in buckle rod 11 of the male buckle 1, the polarity of the two ends of the first magnet 41 and the second magnet 42 is opposite, so that repulsion is generated between the male buckle 1 and the female buckle 2 when the male buckle 1 is connected to the female buckle 2 and the plug-in buckle rod 11 is close to the bottom of the accommodating cavity 2a, and the male buckle 1 is automatically pushed away from the female buckle 2 by the repulsion when the female buckle 2 and the male buckle 1 are unlocked, so that the situation that the male buckle 1 and the female buckle 2 are locked again because the user does not separate them in time is prevented, and the user needs to operate to unlock again.

[0032] The above disclosed is only the preferred embodiment of the utility model, of course can not with this to limit the utility model's right scope, therefore the equivalent change that the utility model application patent range made still belongs to the range that the utility model covers.

Claims

1. A self-ejecting metal backpack buckle, characterized in that: The male buckle and the female buckle are provided with a receiving cavity with an open side, the female buckle is provided with a clasp, the male buckle is provided with an insertion buckle rod which is inserted into the receiving cavity and is clamped with the clasp, a pop-up mechanism is arranged between the female buckle and the insertion buckle rod, the pop-up mechanism comprises a first magnet and a second magnet, the first magnet is arranged at the bottom of the receiving cavity, the second magnet is arranged at the end of the insertion buckle rod, the magnetic poles of the opposite ends of the first magnet and the second magnet are opposite, so that when the clasp releases the insertion buckle rod, the insertion buckle rod is pushed to move away from the receiving cavity by the repulsive force of the two magnetic poles.

2. The self-ejecting metal backpack buckle of claim 1, wherein: The clasp is symmetrically pivoted to the opposite sides of the receiving cavity, and the insertion buckle rod is inserted between the two claps when the insertion buckle rod is inserted into the receiving cavity.

3. The self-ejecting metal backpack buckle of claim 2, wherein: The clasp comprises a clamping portion, a pressing portion and a pivoting portion, the pivoting portion is rotatably arranged on the female buckle through a pivoting shaft, opposite sides of the female buckle are provided with through holes, the pressing portion of each clasp is located at the through hole on the same side, and opposite sides of the front end of the insertion buckle rod are provided with clamping grooves, and the clamping portion is clamped in the corresponding clamping groove.

4. The self-ejecting metal backpack buckle of claim 1, wherein: The automatic pop-up metal backpack buckle further comprises a resilient reset member arranged between the female buckle and the clasp to automatically clamp the clasp with the insertion buckle rod.

5. The self-ejecting metal backpack buckle of claim 4, wherein: Opposite sides of the female buckle are provided with receiving grooves, and the resilient reset member is arranged in the receiving grooves.

6. The self-ejecting metal backpack buckle of claim 1, wherein: The male buckle is provided with a first ring, and the female buckle is provided with a second ring.

7. The self-ejecting metal backpack buckle of claim 1, wherein: A first positioning hole is formed in the bottom of the receiving cavity, the first positioning hole accommodates and fixes the first magnet, and a second positioning hole is formed in the front end surface of the insertion buckle rod, the second positioning hole accommodates and fixes the second magnet.

8. The self-ejecting metal backpack buckle of claim 1, wherein: One side of the insertion buckle rod protrudes outwardly and is provided with a guide protruding strip which extends along the length direction of the insertion buckle rod, one side of the shell of the female buckle is provided with a guide groove which extends to the opening edge of the receiving cavity for sliding insertion of the guide protruding strip.

9. The self-ejecting metal backpack buckle of claim 1, wherein: The male buckle, the female buckle and the clasp are made of stainless steel of model 316, stainless steel of model 304, stainless steel of model 402, stainless steel of model 404, aluminum alloy, copper alloy or titanium alloy material.

10. The self-ejecting metal backpack buckle of claim 1, wherein: The female buckle comprises an upper shell and a cover plate, and the cover plate covers the upper shell to form the receiving cavity.

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