Piston type magnetic buckle

Abstract

The utility model relates to the field of magnetic fasteners, and provides a piston type magnetic fastener which comprises a first fastening body and a second fastening body, the first fastening body is provided with a piston cavity, a piston type fastening rod and a transverse spring bolt, the transverse spring bolt is arranged in the piston type fastening rod in a sliding mode, and the piston type fastening rod is arranged in the piston cavity in a sliding mode; the second buckling body is provided with a core buckling protruding block, and the core buckling protruding block is matched with the piston type buckling rod in a sliding and corresponding mode. A core function magnet A is arranged in the core buckling protruding block, a transverse buckling magnet B is arranged in the transverse spring bolt, and a longitudinal buckling magnet C and an ejection separation magnet D are arranged in the piston type buckling rod. According to the utility model, through a reciprocating motion mode of the piston rod, the core function magnet A and the longitudinal buckling magnet C of the transverse buckling magnet B are simultaneously attracted to realize automatic locking; the core function magnet A and the ejection separation magnet D repel each other in a sliding mode to achieve ejection unlocking.

Description

TECHNICAL FIELD

[0001] The utility model relates to a piston type magnetic buckle belongs to magnetic buckle field. BACKGROUND

[0002] In daily life, various buckles are often used, and most of the buckles are plug-in type, which are generally composed of two buckling bodies. The use of such buckles requires the operator to use both hands to cooperate with each other. However, in life, there are often situations where both hands cannot be used to operate the buckle at the same time. Such plug-in type buckles cannot meet the use requirements of various scenes, so magnetic buckles are produced to solve this problem. The magnetic buckle is also generally composed of two buckling bodies, and a magnet is added, which mainly relies on magnetic force to realize the locking of the buckle. However, most of the magnetic buckles on the market need to resist the magnetic force to separate the two buckling parts by forcibly separating them during the unlocking process after buckling. The separation operation is laborious and work must be done on both ends to separate them. It is also possible that after being separated, they will quickly buckle again within the range of mutual attraction, which is not good for the user's experience. SUMMARY

[0003] The utility model discloses in order to overcome the defects of prior art, provide a piston type magnetic buckle, include: first buckling body and second buckling body, first buckling body is equipped with piston cavity, piston type buckling rod and transverse lock tongue, and the transverse lock tongue is slidably arranged in the piston type buckling rod, and the piston type buckling rod is slidably arranged in the piston cavity.

[0004] The second buckling body is provided with a core buckling protrusion, and the core buckling protrusion is slidably matched with the piston type buckling rod. A core function magnet is arranged in the core buckling protrusion, a transverse buckling magnet is arranged in the transverse lock tongue, and a longitudinal buckling magnet and an ejection separation magnet are arranged in the piston type buckling rod.

[0005] A core engagement groove is provided on the side of the piston cavity at a position matching the core engagement protrusion, and an engagement slide groove is provided on the side of the piston-type engagement rod at a position matching the core engagement protrusion. A longitudinal engagement magnet slot and an ejector separation magnet slot are arranged side by side at the bottom of the engagement slide groove, and a transverse locking tongue slot is provided on the side of the engagement slide groove at a position corresponding to the longitudinal engagement magnet slot. The transverse locking tongue is slidably disposed in the transverse locking tongue slot, and a transverse engagement magnet slot is provided in the transverse locking tongue. A core functional magnet slot is provided in the core engagement protrusion, and the core functional magnet is embedded in the core functional magnet slot. The transverse engagement magnet is embedded in the transverse engagement magnet slot, and the longitudinal engagement magnet and ejector separation magnet are respectively embedded in the longitudinal engagement magnet slot and the ejector separation magnet slot. When the first and second fastening bodies approach each other, the two engaging surfaces of the core functional magnet simultaneously engage with the transverse and longitudinal fastening magnets, respectively, automatically locking the first and second fastening bodies. When the piston-type fastening rod is pressed, so that the core functional magnet corresponds to the ejection separation magnet, the second fastening body is ejected from the first fastening body under the repulsive force of the two magnets, realizing the ejection unlocking between the first and second fastening bodies.

[0006] The core engaging protrusion has a recessed transverse locking groove on its end face that matches the transverse locking tongue. An unlocking guide female surface is located inside the transverse locking groove. A guide block is located at the front end of the transverse locking tongue, with a locking guide surface on the upper front part of the guide block. An unlocking guide male surface is located on the inner side of the guide block at a position that matches the unlocking guide female surface. The cooperation of the unlocking guide female surface and the unlocking guide male surface makes the unlocking action smoother.

[0007] The piston cavity side is provided with a snap-fit ​​angled hook and a straight hook snap-fit ​​groove, and the second snap-fit ​​body side is provided with a matching angled hook snap-fit ​​groove and a snap-fit ​​straight hook. The snap-fit ​​angled hook is snapped into the angled hook snap-fit ​​groove, and at the same time, the snap-fit ​​straight hook is snapped into the straight hook snap-fit ​​groove, which can strengthen the snap-fit ​​strength of the first snap-fit ​​body and the second snap-fit ​​body.

[0008] The outer side of the snap-fit ​​hook is provided with a snap-fit ​​guide slope, and the top of the snap-fit ​​hook is provided with an unlocking guide arc surface, which makes it easier for the snap-fit ​​hook to engage with the snap-fit ​​groove and ensures automatic engagement.

[0009] The piston chamber and the piston-type locking rod are configured as matching polygons.

[0010] A piston limiting groove is provided on the side wall of the piston chamber, and a matching limiting protrusion is provided on the piston-type locking rod. The limiting protrusion is slidably embedded in the piston limiting groove to limit the stroke of the piston-type locking rod in the piston chamber.

[0011] A button is provided at the end of the piston-type fastening rod, and a limiting ring matching the outer edge of the piston cavity is provided on the side of the button. A fastening guard plate matching the contour of the piston cavity is provided on the side of the second fastening body.

[0012] The piston cavity, the piston type buckling rod and the core buckling protrusion and their matched transverse lock tongue, longitudinal buckling magnet and ejection separation magnet are arranged as a group.

[0013] The inside end of the piston type buckling rod is provided with a spring embedding column, and a reset spring matched with the spring embedding column is arranged, one end of the reset spring is embedded in the spring embedding column, and the other end is pressed against the inner wall of the piston cavity.

[0014] The piston cavity, the piston type buckling rod and the core buckling protrusion and their matched transverse lock tongue, longitudinal buckling magnet and ejection separation magnet are arranged as two groups of mutual symmetry.

[0015] The inside end of the symmetric piston type buckling rod is respectively provided with a spring embedding column, and a reset spring matched with the two spring embedding columns is arranged, and the two ends of the reset spring are respectively embedded in the two symmetric spring embedding columns.

[0016] The inside end of the piston type buckling rod is provided with a spring embedding column, and a reset spring matched with the spring embedding column is arranged, one end of the reset spring is embedded in the spring embedding column, and the other end is pressed against the inner wall of the piston cavity.

[0017] The piston cavity, the piston type buckling rod and the core buckling protrusion and their matched components can be arranged as a group, or as two groups of mutual symmetry to further improve the stability of buckling, at this time, the reset spring is respectively embedded in the spring embedding columns at both ends.

[0018] In order to reasonably load the load, one or more first buckling rings can be arranged for the first buckling body, and one or more second buckling rings can be arranged for the second buckling body.

[0019] The piston rod reciprocating mode is adopted, the longitudinal buckling magnet of the core function magnet and the transverse buckling magnet is simultaneously attracted to realize automatic locking; the core function magnet is slidably arranged and repelled with the ejection separation magnet to realize ejection unlocking; while ensuring the stable buckling of the two buckling bodies, the convenience of product use is greatly improved, and the high-end demand of users pursuing extreme experience is met. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the exploded state schematic view of the utility model;

[0021] Figure 2 is another view of the utility model in the exploded state schematic view;

[0022] Figure 3 is the main view of the utility model in the combined state;

[0023] Figure 4 is Figure 3 A-A sectional view of the utility model;

[0024] Figure 5 is the second buckle body of the utility model three-dimensional schematic view;

[0025] A-core function magnet, B-transverse buckle magnet, C-longitudinal buckle magnet, D-eject separation magnet;

[0026] 1-first buckle body, 10-first buckle ring;

[0027] 11-piston cavity, 111-piston limiting slot, 112-core buckle slot, 113-buckle inclined hook, 1131-buckle guide slope, 1132-unlock guide arc surface, 114-straight hook buckle slot;

[0028] 12-piston buckle rod, 121-limiting block, 122-buckle sliding groove, 1221-longitudinal buckle magnet embedding groove, 1222-eject separation magnet embedding groove, 1223-transverse lock tongue sliding groove, 123-key, 1231-limiting ring, 124-spring embedding column;

[0029] 13-transverse lock tongue, 131-transverse buckle magnet embedding groove, 132-guide block, 1321-locking guide surface, 1322-unlock guide male surface;

[0030] 14-reset spring;

[0031] 2-second buckle body, 20-second buckle ring;

[0032] 21-core buckle block, 211-core function magnet embedding groove, 212-transverse locking groove, 2121-unlock guide female surface, 22-buckle guard plate, 23-inclined hook buckle slot, 24-buckle straight hook. DETAILED DESCRIPTION

[0033] As Figures 1 to 5The utility model provides a piston type magnetic force buckle, which comprises a first buckle body 1 and a second buckle body 2. The first buckle body 1 is provided with a piston cavity 11, a piston type buckle rod 12 and a transverse lock tongue 13. The transverse lock tongue 13 is slidably arranged in the piston type buckle rod 12, and the piston type buckle rod 12 is slidably arranged in the piston cavity 11. The second buckle body 2 is provided with a core buckle protrusion 21, which is slidably matched with the piston type buckle rod 12. The core buckle protrusion 21 is provided with a core function magnet A. The transverse lock tongue 13 is provided with a transverse buckle magnet B. The piston type buckle rod 12 is provided with a longitudinal buckle magnet C and an ejection separation magnet D. When the first buckle body 1 and the second buckle body 2 are close to each other, the two suction surfaces of the core function magnet A are simultaneously attracted to the transverse buckle magnet B and the longitudinal buckle magnet C, thereby automatically locking the first buckle body 1 and the second buckle body 2. When the piston type buckle rod 12 is pressed and the core function magnet A is opposite to the ejection separation magnet D, the second buckle body 2 is ejected from the first buckle body 1 under the repulsion force of the two magnets, thereby realizing the ejection unlocking between the first buckle body 1 and the second buckle body 2.

[0034] The utility model opens a core buckle groove 112 at the position matched with the core buckle protrusion 21 on the side of the piston cavity 11, and sets a buckle sliding groove 122 at the position matched with the core buckle protrusion 21 on the side of the piston type buckle rod 12. A longitudinal buckle magnet slot 1221 and an ejection separation magnet slot 1222 are arranged side by side at the bottom of the buckle sliding groove 122. A transverse lock tongue sliding groove 1223 is arranged at the position corresponding to the longitudinal buckle magnet slot 1221 on the side of the buckle sliding groove 122. The transverse lock tongue 13 is slidably arranged in the transverse lock tongue sliding groove 1223, and the transverse lock tongue 13 is provided with a transverse buckle magnet slot 131. The core buckle protrusion 21 is provided with a core function magnet slot 211, and the core function magnet A is embedded in the core function magnet slot 211. The transverse buckle magnet B is embedded in the transverse buckle magnet slot 131. The longitudinal buckle magnet C and the ejection separation magnet D are respectively embedded in the longitudinal buckle magnet slot 1221 and the ejection separation magnet slot 1222. The core function magnet A and the transverse buckle magnet B attract each other in the horizontal direction, the core function magnet A and the longitudinal buckle magnet C attract each other in the vertical direction, thereby driving automatic locking. The core function magnet A and the ejection separation magnet D repel each other, thereby driving ejection unlocking.

[0035] The end surface matched with the transverse locking tongue 13 is concave with a transverse locking groove 212, and the inner side of the transverse locking groove 212 is provided with an unlocking guide female surface 2121; the front end of the transverse locking tongue 13 is provided with a guide block 132, the front upper part of the guide block 132 is provided with a locking guide surface 1321, and the inner side of the guide block 132 is provided with an unlocking guide male surface 1322 matched with the unlocking guide female surface 2121; when the first clamping body 1 and the second clamping body 2 are clamped, the transverse locking tongue 13 will be stretched out from the transverse locking groove 1223 under the action of the magnetic force and inserted into the transverse locking groove 212; during the clamping process, when the core clamping protrusion 21 moves downward from top to bottom, the locking guide surface 1321 of the front upper part of the guide block 132 will avoid the core clamping protrusion 21 to make it smoothly descend, and after the core clamping protrusion 21 is in place, the locking guide surface 1321 will guide the transverse locking tongue 13 to be smoothly inserted into the transverse locking groove 212 to lock the longitudinal displacement between the first clamping body 1 and the second clamping body 2. When the piston type clamping rod 12 is pressed to be unlocked, the unlocking guide male surface 1322 on the inner side of the guide block 132 is relatively displaced with the unlocking guide female surface 2121 on the inner side of the transverse locking groove 212, so as to guide the transverse locking tongue 13 to smoothly exit the transverse locking groove 212 and move inward along the piston type clamping rod 12, thereby releasing the locking of the longitudinal displacement between the first clamping body 1 and the second clamping body 2 and removing the obstruction for the ejection unlocking between the first clamping body 1 and the second clamping body 2.

[0036] In order to increase the clamping strength between the first clamping body 1 and the second clamping body 2, the side of the piston cavity 11 is provided with a clamping inclined hook 113 and a straight hook clamping groove 114, and the side of the second clamping body 2 is provided with a matching inclined hook clamping groove 23 and a clamping straight hook 24; in order to ensure the smoothness of clamping and unlocking while increasing the clamping strength, a clamping guide inclined surface 1131 is arranged outside the clamping inclined hook 113, and an unlocking guide curved surface 1132 is arranged at the top of the clamping inclined hook 113.

[0037] The piston cavity 11 and the piston type clamping rod 12 are matched with each other to be polygonal, so as to ensure the stability and reliability of clamping and the convenience of unlocking, meanwhile, the piston limiting groove 111 is arranged on the side wall of the piston cavity 11, and the limiting protrusion 121 matched with each other is arranged on the piston type clamping rod 12, the limiting protrusion 121 is slidably embedded in the piston limiting groove 111 to limit the stroke of the piston type clamping rod 12 in the piston cavity 11. In addition, the button 123 is arranged at the end of the piston type clamping rod 12 to ensure the comfortable feeling of the unlocking operation. The side of the button 123 is provided with a limiting ring 1231 matched with the outer edge of the piston cavity 11, and the side of the second clamping body 2 is provided with a clamping guard plate 22 matched with the contour of the piston cavity 11, so as to improve the appearance of the utility model.

[0038] The piston cavity 11, the piston type buckling rod 12 and the core buckling bump 21 and the matched transverse lock tongue 13, the longitudinal buckling magnet C and the ejecting separation magnet D are arranged as a group.

[0039] The inside end of the piston type buckling rod 12 is provided with a spring embedding column 124, and a reset spring 14 matched with the spring embedding column 124 is arranged, one end of the reset spring 14 is embedded on the spring embedding column 124, and the other end is pressed against the inner wall of the piston cavity 11.

[0040] The piston cavity 11, the piston type buckling rod 12 and the core buckling bump 21 and the matched transverse lock tongue 13, the longitudinal buckling magnet C and the ejecting separation magnet D are arranged as two groups of mutual symmetry.

[0041] The inside end of the piston type buckling rod 12 is provided with a spring embedding column 124, and a reset spring 14 matched with the spring embedding column 124 is arranged, one end of the reset spring 14 is embedded on the spring embedding column 124, and the other end is pressed against the inner wall of the piston cavity 11.

[0042] Although the magnet combination of the utility model can realize automatic buckling and ejecting unlocking, in order to further improve the experience, the inside of the piston type buckling rod 12 of the utility model can be provided with a spring embedding column 124, and a reset spring 14 is arranged, one end of the reset spring 14 is embedded on the spring embedding column 124, and the other end is pressed against the inner wall of the piston cavity 11. The piston cavity 11, the piston type buckling rod 12 and the core buckling bump 21 and the matched components thereof can be arranged as a group, or can be arranged as two groups of mutual symmetry to further improve the stability of buckling, at this time, the reset spring 14 can be embedded on the spring embedding column 124 at two ends.

[0043] In order to reasonably load the load, the first buckling body 1 can be provided with one or more first buckling rings 10, and the second buckling body 2 can also be provided with one or more second buckling rings 20.

[0044] The utility model discloses a piston rod reciprocating motion mode, adopts the longitudinal buckling magnet C of core function magnet A and transverse buckling magnet B simultaneously and realizes automatic locking by suctioning;Core function magnet A can be slidably arranged with ejecting separation magnet D and realizes ejecting unlocking by mutual repulsion;While ensuring that two buckling bodies are stably buckled, the convenience of product use is greatly improved, and the high-end demand of users pursuing extreme experience is met.

Claims

1. A magnetic clasp of the piston type, comprising: The first buckle body (1) and the second buckle body (2) are characterized in that: The first buckle body (1) is provided with a piston cavity (11), a piston type buckle rod (12) and a transverse lock tongue (13), the transverse lock tongue (13) is slidably arranged in the piston type buckle rod (12), and the piston type buckle rod (12) is slidably arranged in the piston cavity (11); The second buckle body (2) is provided with a core buckle protrusion (21), the core buckle protrusion (21) is slidably matched with the piston type buckle rod (12), the core buckle protrusion (21) is internally provided with a core function magnet (A), the transverse lock tongue (13) is internally provided with a transverse buckle magnet (B), the piston type buckle rod (12) is internally provided with a longitudinal buckle magnet (C) and an ejection separation magnet (D), when the first buckle body (1) and the second buckle body (2) are close to each other, two suction surfaces of the core function magnet (A) are simultaneously attracted to the transverse buckle magnet (B) and the longitudinal buckle magnet (C), and the first buckle body (1) and the second buckle body (2) are automatically locked; when the core function magnet (A) corresponds to the ejection separation magnet (D) by pressing the piston type buckle rod (12), the second buckle body (2) is ejected from the first buckle body (1) under the repulsion force of the two magnets, and the ejection unlocking between the first buckle body (1) and the second buckle body (2) is realized.

2. A magnetic clasp of claim 1, wherein: The side edge of the piston cavity (11) is provided with a core buckle groove (112) at the position matched with the core buckle protrusion (21), the side edge of the piston type buckle rod (12) is provided with a buckle sliding groove (122) at the position matched with the core buckle protrusion (21), the bottom of the buckle sliding groove (122) is provided with a longitudinal buckle magnet embedding groove (1221) and an ejection separation magnet embedding groove (1222) side by side, the side edge of the buckle sliding groove (122) is provided with a transverse lock tongue sliding groove (1223) at the position corresponding to the longitudinal buckle magnet embedding groove (1221), the transverse lock tongue (13) is slidably arranged in the transverse lock tongue sliding groove (1223), the transverse lock tongue (13) is internally provided with a transverse buckle magnet embedding groove (131), the core buckle protrusion (21) is internally provided with a core function magnet embedding groove (211), the core function magnet (A) is embedded in the core function magnet embedding groove (211), the transverse buckle magnet (B) is embedded in the transverse buckle magnet embedding groove (131), and the longitudinal buckle magnet (C) and the ejection separation magnet (D) are respectively embedded in the longitudinal buckle magnet embedding groove (1221) and the ejection separation magnet embedding groove (1222).

3. A piston-type magnetic buckle as described in claim 1, characterized in that: The end face of the core buckle protrusion (21) matched with the transverse lock tongue (13) is concavely provided with a transverse locking groove (212), the inner side of the transverse locking groove (212) is provided with an unlocking guide female surface (2121), the front end of the transverse lock tongue (13) is provided with a guide block (132), the front upper part of the guide block (132) is provided with a locking guide surface (1321), and the inner side of the guide block (132) is provided with an unlocking guide male surface (1322) at the position matched with the unlocking guide female surface (2121).

4. A magnetic clasp of claim 1 wherein: The side of the piston cavity (11) is provided with a buckle inclined hook (113), and the side of the second buckle body (2) is provided with a matching inclined hook buckle groove (23).

5. A magnetic clasp of claim 1 wherein: The side of the piston cavity (11) is provided with a straight hook buckle groove (114), and the side of the second buckle body (2) is provided with a matching buckle straight hook (24).

6. A magnetic clasp of claim 4, wherein: The outer side of the buckle inclined hook (113) is provided with a buckle guide inclined surface (1131), and the top of the buckle inclined hook (113) is provided with an unlocking guide arc surface (1132).

7. A magnetic clasp of claim 1 wherein: The piston cavity (11) and the piston type buckle rod (12) are matched with each other in polygonal shape.

8. A magnetic clasp of claim 1 wherein: A piston limiting groove (111) is arranged on the side wall of the piston cavity (11), and a limiting protrusion (121) is arranged on the piston type buckle rod (12) and slidably embedded in the piston limiting groove (111) to limit the stroke of the piston type buckle rod (12) in the piston cavity (11).

9. A magnetic clasp of claim 1 wherein: A button (123) is arranged at the end of the piston type buckle rod (12), and the side of the button (123) is provided with a limiting ring (1231) matched with the outer edge of the piston cavity (11).

10. A magnetic clasp of claim 1 wherein: The side of the second buckle body (2) is provided with a buckle guard plate (22) matched with the profile of the piston cavity (11).

11. A magnetic clasp of claim 1 wherein: The piston cavity (11), the piston type buckle rod (12), and the core buckle protrusion (21) and its matched transverse lock tongue (13), longitudinal buckle magnet (C), and ejection separation magnet (D) are arranged as a group.

12. A magnetic clasp of claim 11 wherein: The inner side end of the piston type buckle rod (12) is provided with a spring embedding column (124), and a reset spring (14) matched with the spring embedding column (124) is arranged, one end of the reset spring (14) is embedded in the spring embedding column (124), and the other end is pressed against the inner wall of the piston cavity (11).

13. A magnetic clasp of claim 1 wherein: The piston cavity (11), the piston type buckle rod (12), and the core buckle protrusion (21) and its matched transverse lock tongue (13), longitudinal buckle magnet (C), and ejection separation magnet (D) are arranged as two symmetrical groups.

14. A piston-type magnetic clasp as described in claim 13, characterized in that: The inner side end of the symmetrical piston type buckle rod (12) is respectively provided with a spring embedding column (124), and a reset spring (14) matched with the two spring embedding columns (124) is arranged, and the two ends of the reset spring (14) are respectively embedded in the two symmetrical spring embedding columns (124).

15. A magnetic clasp of claim 1 wherein: The first buckle body (1) is provided with one or more first buckle rings (10), and the second buckle body (2) is also provided with one or more second buckle rings (20).

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