Telescopic hidden magnetic buckle

Abstract

A male buckle comprises a male buckle bottom cover, a male buckle annular upper cover, a male buckle bead head, a bead head magnet, a male buckle annular magnet and a male buckle iron ring, and a female buckle comprises a female buckle annular bottom cover, a female buckle annular upper cover and a female buckle annular magnet. The female buckle annular magnet can attract the male buckle iron ring and the male buckle annular magnet, so that the female buckle and the male buckle are magnetically attached together, and the female buckle annular magnet can attract the bead head magnet to move upwards; when the female buckle is separated from the male buckle, the upper end of the male buckle bead head is driven to stretch out of the bead head stretching-out hole and is inserted into the first bead head imbedding hole of the female buckle annular bottom cover and the second bead head imbedding hole of the female buckle annular upper cover, the female buckle is limited through the male buckle bead head, and when the female buckle is separated from the male buckle, under the magnetic attraction effect of the male buckle annular magnet on the bead head magnet, the male buckle bead head is driven to stretch out of the bead head stretching-out hole and is inserted into the first bead head imbedding hole of the female buckle annular bottom cover and the second bead head imbedding hole. The male buckle bead head can be reset and attached to the bottom of the middle limiting groove of the male buckle bottom cover, and at the moment, the male buckle bead head is in a hidden storage state.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic buckle technical field, more specifically, relate to a telescopic hidden magnetic buckle. BACKGROUND

[0002] In many products such as clothes, bags, packaging boxes or packaging bags, magnetic buckles (also known as magnetic buttons or magnetic fasteners) are often needed. Among them, the existing magnetic buckle generally includes a male buckle and a female buckle, such as a new type of magnetic button male buckle, a new type of magnetic button female buckle and a new type of magnetic button disclosed in the patent authorization announcement No. CN 210539250 U. The center of the male buckle panel is provided with a male buckle convex body (i.e. a bead head) for buckling. The middle part of the female buckle is provided with a groove, and the inside of the female buckle is provided with a magnet. Through the magnetic property of the magnet, the male buckle convex body of the male buckle can be inserted into the groove of the female buckle. However, such magnetic buckles have the following disadvantages: the male buckle convex body on the male buckle is fixed and cannot be extended or retracted relative to the male buckle, and does not have a hidden storage function. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned defects in the prior art, and provides a telescopic hidden magnetic buckle which has a novel structure, is reasonable in design, can control the extension and retraction of the male buckle bead head through magnetism, and is very convenient to use.

[0004] To achieve the above-mentioned purpose, the utility model provides a telescopic hidden magnetic buckle, which comprises a male buckle and a female buckle. The male buckle comprises a male buckle bottom cover, a male buckle annular top cover, a male buckle bead head, a bead head magnet, a male buckle annular magnet and a male buckle iron ring. The male buckle bead head is movably installed in the middle part limiting groove of the male buckle bottom cover. The diameter of the upper end part of the male buckle bead head is smaller than that of the lower end part, so that a bead head limiting flange is formed at the lower end of the male buckle bead head. The bead head magnet is fixed in the lower end bottom groove of the male buckle bead head. The diameter of the bead head magnet is larger than that of the upper end part of the male buckle bead head. The male buckle annular magnet is fixed in the male buckle bottom cover edge groove of the male buckle bottom cover. The male buckle annular magnet is located outside the male buckle bead head. The male buckle annular top cover is installed on the top of the male buckle bottom cover. The male buckle annular top cover is provided with a bead head extension hole in the middle part for the upper end part of the male buckle bead head to pass through. The male buckle iron ring is installed in the top cover edge groove of the male buckle annular top cover.

[0005] The female buckle comprises a female buckle annular bottom cover, a female buckle annular top cover and a female buckle annular magnet. The female buckle annular top cover is installed on the top of the female buckle annular bottom cover. The middle part of the female buckle annular bottom cover is provided with a first bead head insertion hole for the upper end part of the male buckle bead head to insert. The middle part of the female buckle annular top cover is provided with a second bead head insertion hole for the upper end part of the male buckle bead head to insert. The female buckle annular magnet is fixed in the female buckle bottom cover edge groove of the female buckle annular bottom cover.

[0006] As preferred, the middle limiting groove of the male buckle bottom cover is provided with a male buckle clamping protruding ring protruding upward, the lower surface of the male buckle annular upper cover is provided with a first clamping inner ring and a second clamping inner ring protruding downward, the second clamping inner ring is located outside the first clamping inner ring, a clamping gap is arranged between the first clamping inner ring and the second clamping inner ring, the male buckle clamping protruding ring is clamped in the clamping gap, and the male buckle clamping protruding ring is in interference fit with the first clamping inner ring and the second clamping inner ring.

[0007] As preferred, the first bead head insertion hole of the female buckle annular bottom cover is provided with a first female buckle clamping protruding ring protruding upward, the lower surface of the female buckle annular upper cover is provided with a second female buckle clamping protruding ring protruding downward, the outer side wall of the first female buckle clamping protruding ring is in interference fit with the inner side wall of the second female buckle clamping protruding ring, and the bottom of the second female buckle clamping protruding ring abuts against the top of the female buckle annular magnet.

[0008] As preferred, the male buckle bottom cover, the male buckle annular upper cover and the male buckle bead head are respectively made of non-magnetic metal materials.

[0009] As preferred, the female buckle annular bottom cover and the female buckle annular upper cover are respectively made of non-magnetic metal materials.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The utility model discloses a novel structure, reasonable in design, when female buckle is placed in alignment on the top of male buckle annular upper cover, female buckle annular magnet can be attracted to male buckle iron ring and male buckle annular magnet, thereby making female buckle and male buckle magnetically adhere together, and female buckle annular magnet can attract bead head magnet to move upward, thereby driving the upper end of male buckle bead head to stretch out of the bead head stretching hole of male buckle annular upper cover and be inserted into female buckle annular bottom cover's first bead head insertion hole and female buckle annular upper cover's second bead head insertion hole in turn, limiting female buckle through male buckle bead head, achieving functional buckling, when female buckle is separated from male buckle, under the magnetic attraction of male buckle annular magnet to bead head magnet, male buckle bead head will reset and adhere to the bottom of the middle limiting groove of male buckle bottom cover, at this time, male buckle bead head is in hidden storage state. ACCURACY

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor under the premise of these drawings.

[0013] Figure 1 It is the structure schematic diagram of telescopic hidden type magnetic buckle provided by the utility model embodiment.

[0014] Figure 2 is an exploded view of the telescopic hidden magnetic buckle provided by the embodiment of the present application;

[0015] Figure 3 is a cross-sectional view of the telescopic hidden magnetic buckle provided by the embodiment of the present application when not being attached;

[0016] Figure 4 is a cross-sectional view of the telescopic hidden magnetic buckle provided by the embodiment of the present application when being attached. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figure 1 The embodiments of the present application provide a telescopic hidden magnetic buckle, which comprises a male buckle 1 and a female buckle 2, and the male buckle 1 and the female buckle 2 can be attached together by magnetism. The various components of the present embodiment will be described in detail below with reference to the drawings.

[0019] As shown in Figure 2 and Figure 3 , the male buckle 1 can comprise a male buckle bottom cover 11, a male buckle annular upper cover 12, a male buckle bead head 13, a bead head magnet 14, a male buckle annular magnet 15 and a male buckle iron ring 16. The male buckle bead head 13 is movably installed in a middle limiting groove 111 of the male buckle bottom cover 11. The diameter of the upper end part of the male buckle bead head 13 is smaller than the diameter of the lower end part, so that the lower end of the male buckle bead head 13 forms a bead head limiting flange 131, which can prevent the male buckle bead head 13 from being separated from the male buckle 1. The bead head magnet 14 is fixed in a lower end bottom groove of the male buckle bead head 13. The diameter of the bead head magnet 14 is larger than the diameter of the upper end part of the male buckle bead head 13. The male buckle annular magnet 15 is fixed in a male buckle bottom cover edge groove 112 of the male buckle bottom cover 11. The male buckle annular magnet 15 is located outside the male buckle bead head 13. The male buckle annular upper cover 12 is installed on the top of the male buckle bottom cover 11. A bead head protruding hole 121 is formed in the middle of the male buckle annular upper cover 12, which is only for the upper end part of the male buckle bead head 13 to pass through. The male buckle iron ring 16 is installed in an upper cover edge groove 122 of the male buckle annular upper cover 12.

[0020] In the embodiment, the male buckle iron ring 16 can play a role of reinforcing magnetism, and increase the attraction between the male buckle ring magnet 15 and the female buckle ring magnet 23.

[0021] Preferably, the male buckle bottom cover 11 and the male buckle ring upper cover 12 can be assembled in the following manner: as shown in Figure 2 and Figure 3 , the middle part limiting groove 111 of the male buckle bottom cover 11 is provided with a male buckle clamping convex ring 113 protruding upward, the lower surface of the male buckle ring upper cover 12 is provided with a first clamping inner ring 123 and a second clamping inner ring 124 protruding downward, the second clamping inner ring 124 is located outside the first clamping inner ring 123, and the first clamping inner ring 123 and the second clamping inner ring 124 are provided with a clamping gap, the male buckle clamping convex ring 113 is clamped in the clamping gap, and the male buckle clamping convex ring 113 is in interference fit with the first clamping inner ring 123 and the second clamping inner ring 124.

[0022] As shown in Figure 2 and Figure 3 , the female buckle 2 can include a female buckle ring bottom cover 21, a female buckle ring upper cover 22 and a female buckle ring magnet 23, the female buckle ring upper cover 22 is installed on the top of the female buckle ring bottom cover 21, the middle part of the female buckle ring bottom cover 21 is provided with a first bead head insertion hole 211 for inserting the upper end part of the male buckle bead head 13, the middle part of the female buckle ring upper cover 22 is provided with a second bead head insertion hole 221 for inserting the upper end part of the male buckle bead head 13, and the female buckle ring magnet 23 is fixed in the female buckle bottom cover edge groove 212 of the female buckle ring bottom cover 21.

[0023] Preferably, the female buckle ring bottom cover 21 and the female buckle ring upper cover 22 can be assembled in the following manner: as shown in Figure 2 and Figure 3 , the first bead head insertion hole 211 of the female buckle ring bottom cover 21 is provided with a first female buckle clamping convex ring 213 protruding upward around the periphery, the lower surface of the female buckle ring upper cover 22 is provided with a second female buckle clamping convex ring 233 protruding downward, the outer side wall of the first female buckle clamping convex ring 213 is in interference fit with the inner side wall of the second female buckle clamping convex ring 233, and the bottom of the second female buckle clamping convex ring 233 abuts against the top of the female buckle ring magnet 23.

[0024] In specific manufacturing, the male buckle bottom cover 11, the male buckle ring upper cover 12 and the male buckle bead head 13 are respectively made of non-magnetic metal material. The female buckle ring bottom cover 21 and the female buckle ring upper cover 22 are respectively made of non-magnetic metal material.

[0025] The working principle of the telescopic hidden magnetic buckle of the embodiment is as follows:

[0026] As shown in Figure 3As shown, when the female buckle 2 is not close to the male buckle 1, under the magnetic attraction of the male buckle annular magnet 15 to the bead magnet 14, the male buckle bead 13 is located at the bottom of the middle limiting groove 111 of the male buckle bottom cover 11, at this time, the upper end part of the male buckle bead 13 is not moved upward to extend out of the bead extension hole 121 of the male buckle annular upper cover 12, and is in a hidden storage state.

[0027] As shown, Figure 4 As shown, when the female buckle 2 is placed in alignment on the top of the male buckle annular upper cover 12 of the male buckle 1, the female buckle annular magnet 23 can be attracted to the male buckle iron ring 16 and the male buckle annular magnet 15, so that the female buckle 2 is magnetically attached together with the male buckle 1, and the magnetic force of the female buckle annular magnet 23 can act on the edge part of the bead magnet 14, the female buckle annular magnet 23 can attract the bead magnet 14 to move upward, thereby driving the upper end part of the male buckle bead 13 to extend out of the bead extension hole 121 of the male buckle annular upper cover 12 and sequentially inserted into the first bead insertion hole 211 of the female buckle annular bottom cover 21 and the second bead insertion hole 221 of the female buckle annular upper cover 22, and the female buckle 2 is limited by the male buckle bead 13.

[0028] In summary, the structure of the utility model is novel, reasonable in design, and can control the male buckle bead to extend and retract through magnetism, and is very convenient to use.

[0029] The above embodiment is a preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model should be an equivalent replacement method, and all are included in the protection scope of the utility model.

Claims

1. A retractable concealed magnetic clasp, comprising a male clasp (1) and a female clasp (2), characterized in that: The male buckle (1) includes a male buckle bottom cover (11), a male buckle annular top cover (12), a male buckle bead (13), a bead magnet (14), a male buckle annular magnet (15), and a male buckle iron ring (16). The male buckle bead (13) is movably installed in the middle limiting groove (111) of the male buckle bottom cover (11). The diameter of the upper part of the male buckle bead (13) is smaller than the diameter of the lower part, so that the lower end of the male buckle bead (13) forms a bead limiting flange (131). The bead magnet (14) is fixed in the bottom groove of the lower end of the male buckle bead (13). The diameter of the male buckle bead (13) is larger than the diameter of the upper part of the male buckle bead (13). The male buckle ring magnet (15) is fixed in the male buckle bottom cover edge groove (112) of the male buckle bottom cover (11). The male buckle ring magnet (15) is located outside the male buckle bead (13). The male buckle ring top cover (12) is installed on the top of the male buckle bottom cover (11). The middle part of the male buckle ring top cover (12) is provided with a bead protrusion hole (121) for the upper part of the male buckle bead (13) to pass through. The male buckle iron ring (16) is installed in the upper cover edge groove (122) of the male buckle ring top cover (12). The female buckle (2) includes a female buckle ring-shaped bottom cover (21), a female buckle ring-shaped top cover (22), and a female buckle ring-shaped magnet (23). The female buckle ring-shaped top cover (22) is installed on the top of the female buckle ring-shaped bottom cover (21). The middle part of the female buckle ring-shaped bottom cover (21) is provided with a first bead insertion hole (211) for the upper part of the male buckle bead (13) to be inserted. The middle part of the female buckle ring-shaped top cover (22) is provided with a second bead insertion hole (221) for the upper part of the male buckle bead (13) to be inserted. The female buckle ring-shaped magnet (23) is fixed in the female buckle ring-shaped bottom cover edge groove (212) of the female buckle ring-shaped bottom cover (21). When the female buckle (2) is aligned and placed on top of the male buckle ring-shaped top cover (12) of the male buckle (1), the female buckle ring-shaped magnet (23) can attract the male buckle iron ring (16) and the male buckle ring-shaped magnet (15), thereby making the female buckle (2) and the male buckle (1) magnetically attached together. The female buckle ring-shaped magnet (23) can attract the bead magnet (14) to move upward, thereby driving the upper part of the male buckle bead (13) to be inserted into the first bead insertion hole (211) of the female buckle ring-shaped bottom cover (21) and the second bead insertion hole (221) of the female buckle ring-shaped top cover (22) in sequence.

2. The retractable concealed magnetic clasp according to claim 1, characterized in that: The male buckle bottom cover (11) has an upwardly protruding male buckle snap ring (113) around the central limiting groove (111). The lower surface of the male buckle ring-shaped top cover (12) has a downwardly protruding first snap ring (123) and second snap ring (124). The second snap ring (124) is located outside the first snap ring (123). There is a snap gap between the first snap ring (123) and the second snap ring (124). The male buckle snap ring (113) snaps into the snap gap. The male buckle snap ring (113) is interference-fitted with the first snap ring (123) and the second snap ring (124).

3. The retractable concealed magnetic clasp according to claim 1, characterized in that: The first bead insertion hole (211) of the female buckle-shaped bottom cover (21) is provided with an upwardly protruding first female buckle engagement protrusion (213) around the periphery, and the lower surface of the female buckle-shaped top cover (22) is provided with a downwardly protruding second female buckle engagement protrusion (233). The outer side wall of the first female buckle engagement protrusion (213) and the inner side wall of the second female buckle engagement protrusion (233) are press-fitted together, and the bottom of the second female buckle engagement protrusion (233) abuts against the top of the female buckle-shaped magnet (23).

4. The retractable concealed magnetic clasp according to claim 1, characterized in that: The male buckle bottom cover (11), male buckle annular top cover (12), and male buckle bead head (13) are each made of non-magnetic metal material.

5. The retractable concealed magnetic clasp according to claim 1, characterized in that: The female buckle-shaped bottom cover (21) and the female buckle-shaped top cover (22) are respectively made of non-magnetic metal materials.

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