Quick shackle structure

Abstract

The utility model discloses a quick shackle structure which comprises a female buckle, the female buckle comprises an upper fixing base and a lower fixing base which are connected with each other, a buckling hole facing the lower fixing base is formed in the top of the upper fixing base, and an inserting opening penetrating through the buckling hole is defined by the side portion of the upper fixing base and the side portion of the lower fixing base. The male buckle comprises a top cover, the top cover extends to be provided with an insertion piece capable of being inserted into the insertion opening, the insertion piece is provided with a movable elastic piece, the elastic piece is provided with an elastic pressing piece, and when the male buckle is connected with the female buckle in a buckled mode, the end of the elastic piece clamps the buckling hole, and the pressing piece is pressed downwards to abut against the lower fixing base. The device is ingenious in structural design, double insurance can be achieved during use, tripping can be prevented, the elastic piece is obliquely and upwards jacked up, collapse tripping is prevented, the pressing piece downwards presses the female buckle to achieve elastic limiting, and half tripping caused by the fact that the elastic piece ascends due to the fact that the male buckle bears too large tensile force is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of improved design of buckle connection structures, in particular to a quick-release buckle structure. Background Art

[0002] A buckle structure is a structure that connects and fixes two or more parts through buckles and matching ports. It is usually composed of one or more parts with matching shapes and geometric features. These parts can be buckled together by insertion, rotation or other means to form a tight connection, and can be easily disassembled and assembled. The buckle structure currently used for masks adopts a single buckle buckle design. After a period of use, the buckle is not secure, affecting normal use.

[0003] In the prior art, a patent with a publication number of CN201783169U discloses an improved structure of a survival game mask, which mainly utilizes two buckles to fix a protective lens to a mask body; each of the buckles has a snap-fit ​​seat, provided with at least one hook and a plurality of baffles; and a snap-fit ​​mechanism, which has a movable snap-fit ​​component, which can be snapped with the hook and the baffle when snapped, so that the snap-fit ​​mechanism is combined with the snap-fit ​​seat, and the protective lens is fixed to the inner side of the mask body; in addition, the snap-fit ​​seat can be further fixedly connected with the two ends of a buckle belt, and the buckle belt is fixed to the mask body.

[0004] In the above technical solution, the hook claw 41 and the stop rod 42 of the snap-fit ​​seat 40 are inserted into the seat hole 13 and the snap-fit ​​hole 22, and then the inner hole 52 of the frame 51 of the snap-fit ​​mechanism 50 is inserted into the outer side of the hook claw 41 and the stop rod 42, and then the aforementioned snap-fit ​​component 53 is moved so that the first snap-fit ​​portion 55 and the second snap-fit ​​portion 57 on the snap-fit ​​component 53 are respectively snapped into the snap-fit ​​portion 43 of the hook claw 41 and the groove 44 on the side of the stop rod 42, and finally the aforementioned locking component 58 is locked, so that the snap-fit ​​mechanism 50 can be fixed on the snap-fit ​​seat 40. The overall structural design is relatively complex.

[0005] In order to solve one of the above problems, the present application provides a quick-release buckle structure. Utility Model Content

[0006] The utility model aims to solve the problems existing in the prior art and proposes a quick-release buckle structure, which has an ingenious structural design and can provide double insurance to prevent disengagement when in use. The spring piece is tilted upward to prevent collapse and disengagement, and the pressing piece presses down the female buckle to elastically limit the position to prevent the male buckle from being subjected to excessive tension, causing the spring piece to rise and cause semi-disengagement.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a quick-release buckle structure, comprising a female buckle, wherein the female buckle comprises an upper fixing seat and a lower fixing seat connected to each other, a buckle hole facing the lower fixing seat is opened on the top of the upper fixing seat, and the sides of the upper fixing seat and the lower fixing seat are surrounded by a socket penetrating the buckle hole;

[0008] The male buckle includes a top cover, which is extended with an insert that can be inserted into the socket, the insert is provided with a movable spring sheet, and the spring sheet is provided with an elastic pressing sheet. When the male buckle is buckled and connected with the female buckle, the end of the spring sheet is stuck in the buckling hole and the pressing sheet is pressed down to contact the lower fixed seat.

[0009] Furthermore, the end of the elastic sheet as described above is provided with a step position, and the step position matches with the upper fixing seat.

[0010] Furthermore, the spring piece and the inserting piece as described above are arranged obliquely, and the pressing piece and the spring piece are arranged obliquely.

[0011] Furthermore, the pressing sheet, the spring sheet and the inserting sheet as described above are an integrally formed structure, and the lower fixing seat and the upper fixing seat are an integrally formed structure.

[0012] Furthermore, an arc-shaped notch is provided between the elastic sheet and the insert sheet as described above and is arranged upward away from the arc-shaped notch of the cover, and a U-shaped notch is provided between the pressing sheet and the elastic sheet and is arranged downward away from the U-shaped notch.

[0013] Furthermore, the male buckle as described above also includes an adjustment plate and a base, the base is buckled and connected to the top cover, and the adjustment plate is clamped between the top cover and the base.

[0014] Furthermore, as described above, both sides of the top cover are provided with sockets, and both sides of the base are provided with second protrusions matching with the sockets. The base is accommodated in the cavity of the top cover and is buckled and connected with two corresponding sockets through two second protrusions.

[0015] Furthermore, as described above, a blind hole and a limiting groove are provided in the top cover, a first protrusion matching with the blind hole is provided on the adjustment plate, and limiting protrusions matching with the limiting groove are provided on both sides of the adjustment plate.

[0016] Furthermore, a latch is provided at the end of the adjustment plate as described above, a groove for installing the rotating shaft and a belt threading hole are provided between the top cover and the base, and a wearing opening is also provided on the base.

[0017] Furthermore, the male buckle is connected to the buckle belt as described above, and a plurality of limiting teeth are provided on the buckle belt. The buckle belt passes through the belt threading hole to the wearing opening and is limited by the locking tongue.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the structural design of the device is ingenious, and it can provide double insurance to prevent disengagement when in use. The spring piece is tilted and lifted upward to prevent collapse and disengagement. The pressure piece presses down the female buckle and elastically limits it to prevent the male buckle from being subjected to excessive tension, causing the spring piece to rise, which in turn causes the male buckle to be semi-disengaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the buckling of the utility model;

[0020] Figure 2 It is an explosion diagram of the utility model;

[0021] Figure 3 for Figure 1 A top view of

[0022] Figure 4 for Figure 3 AA direction cross-sectional view;

[0023] Figure 5 A three-dimensional diagram of the utility model;

[0024] Figure 6 Schematic diagram of the combination with the buckle.

[0025] In the figure: 1. male buckle; 11. top cover; 111. insert; 112. pressing piece; 113. spring piece; 1131. step position; 114. plug hole; 12. adjustment plate; 121. first protrusion; 122. limit protrusion; 123. latch; 13. shaft; 14. base; 141. second protrusion; 142. groove position; 143. wearing opening; 15. belt threading hole; 2. female buckle; 20. plug; 21. upper fixing seat; 22. lower fixing seat; 3. buckle strap. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", "set", etc. should be understood in a broad sense. For example, when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a central element. When an element is considered to be "installed on" another element, it can be directly installed on the other element or there can be a central element. When an element is considered to be "connected" to another element, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a communication between the two elements.

[0028] For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] Reference Figure 1-4 As shown, a quick-release buckle structure of the utility model includes a female buckle 2, wherein the female buckle 2 includes an upper fixing seat 21 and a lower fixing seat 22 connected to each other, the top of the upper fixing seat 21 is provided with a buckling hole facing the lower fixing seat 22, which is used to be buckled and fixed with the male buckle 1, and the sides of the upper fixing seat 21 and the lower fixing seat 22 are surrounded by a socket 20 passing through the buckling hole, which is used to be plugged and matched with the male buckle 1; the male buckle 1, wherein the male buckle 1 includes a top cover 11, and the top cover 11 is extended to be provided with an insert 111 that can be inserted into the socket 20, and the insert 111 is provided with a movable spring sheet 113, and the spring sheet 113 can be elastically displaced and changed, and the spring sheet 113 is provided with an elastic pressing sheet 112, and the pressing sheet 112 has an elastic force, combined with Figure 4 It can be seen that when the male buckle 1 and the female buckle 2 are buckled together, the end of the spring piece 113 is stuck in the buckling hole and the pressing piece 112 is pressed down to contact the lower fixed seat 22. When in use, after the two are buckled together, the pressing piece 112 elastically presses down the lower fixed seat 22 to play a supporting and limiting role, so that when the male buckle 1 is forced away from the female buckle 2, the spring piece 113 will not move downward and fall off from the socket 114.

[0032] Embodiment 2

[0033] Reference Figure 1-4As shown, based on the technical solution of the first embodiment, a quick release buckle structure is provided, wherein the end of the spring piece 113 is provided with a step position 1131, and the step position 1131 is matched with the upper fixing seat 21. Figure 4 As shown, the design of the step position 1131 is a right angle when viewed from a half-section view, a portion of the step position 1131 cooperates with the inner wall of the snap-fitting hole, and the other portion of the step position 1131 is located below the upper fixing seat 21. When the male buckle 1 and the female buckle 2 are snapped together, in the process of the male buckle 1 being forced away from the female buckle 2, a portion of the step position 1131 is a limiting force point, and in the absence of force, a portion of the step position 1131 is separated from the upper fixing seat 21 to maintain a certain gap; the other portion of the step position 1131 is a limiting force point in the direction of the spring piece 113 away from the lower fixing seat 22, and in the case of a large force, the spring piece 113 is prevented from deviating from the upper fixing seat 21, resulting in the spring piece 113 having no force point and being half-detached.

[0034] Furthermore, the spring piece 113 is inclined to the insert piece 111, and the pressing piece 112 is inclined to the spring piece 113. Figure 4 It can be seen that the inserting piece 111 is in a vertical direction as a whole, and the spring piece 113 is connected to the inserting piece 111 at the top and is arranged obliquely downward to the left. At the same time, the pressing piece 112 is connected to the inserting piece 111 at the top and is arranged obliquely downward to the right.

[0035] Furthermore, the pressing piece 112, the spring piece 113 and the inserting piece 111 are an integrally formed structure, and the lower fixing seat 22 and the upper fixing seat 21 are an integrally formed structure. The material of the above components is generally plastic parts, and has a certain deformation ability to meet the basic elastic deformation requirements of the snap connection.

[0036] Further, combined with Figure 1 and Figure 2 It can be seen that the fastening part of the female buckle 2 is circular, that is, the cross-sectional shape of the fastening hole is circular. Correspondingly, the basic shape of the insert 111 is a circular disc design. In addition, an arc-shaped notch is provided between the spring piece 113 and the insert 111 and is arranged upwardly away from the arc-shaped notch of the cover, and a U-shaped notch is provided between the pressing piece 112 and the spring piece 113 and is arranged downwardly away from the U-shaped notch.

[0037] Embodiment 3

[0038] Reference Figure 1-6 As shown, based on the technical solution of the second embodiment, a quick release buckle structure, referring to Figure 2-5It can be seen that the male buckle 1 also includes an adjustment plate 12 and a base 14, the base 14 is buckled and connected to the top cover 11, and the adjustment plate 12 is clamped between the top cover 11 and the base 14. Specifically, the top cover 11 is provided with a socket 114 on both sides, and the base 14 is provided with a second protrusion 141 that matches the socket 114 on both sides. The base 14 is accommodated in the cavity of the top cover 11 and is buckled and connected with two corresponding sockets 114 through two second protrusions 141. In addition, the top cover 11 is provided with a blind hole and a limiting groove, the adjustment plate 12 is provided with a first protrusion 121 that matches the blind hole, and the adjustment plate 12 is provided with a limiting protrusion 122 that matches the limiting groove on both sides. Further, the end of the adjustment plate 12 is also provided with a latch 123, a groove 142 for installing the rotating shaft 13 and a belt threading hole 15 are provided between the top cover 11 and the base 14, and a wearing opening 143 is also provided on the base 14.

[0039] Further, such as Figure 6 As shown, the male buckle 1 is connected to the buckle strap 3, and a plurality of limiting teeth are provided on the buckle strap 3. The buckle strap 3 passes through the strap threading hole 15 to the wearing opening 143 and is clamped and limited by the latch tongue 123. The latch tongue 123 clamps the limiting teeth to adjust the length of the entire buckle strap 3. As for the female buckle 2, it is generally arranged on the main body of the mask, and the wearable function is realized by combining with the buckle strap 3 with the male buckle 1.

[0040] In the device of the utility model, the assembly and matching relationship of each component involved as well as the material are existing technologies or materials, and the relevant technical personnel can directly purchase or customize them from the market according to the required product models and specifications.

[0041] The above is only a preferred specific embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned embodiment, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiment should be regarded as exemplary and non-restrictive. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical scheme of the utility model and its utility model concept, shall be covered within the protection scope of the utility model.

Claims

1. A quick release buckle structure, characterized in that: The female buckle (2) comprises an upper fixing seat (21) and a lower fixing seat (22) connected to each other, a buckle hole facing the lower fixing seat (22) is formed on the top of the upper fixing seat (21), and the sides of the upper fixing seat (21) and the lower fixing seat (22) form a socket (20) passing through the buckle hole; A male buckle (1), the male buckle (1) comprising a top cover (11), the top cover (11) extending therefrom being provided with an insert (111) which can be inserted into a socket (20), the insert (111) being provided with a movable spring sheet (113), the spring sheet (113) being provided with an elastic pressing sheet (112), when the male buckle (1) and the female buckle (2) are buckled and connected, the end of the spring sheet (113) is clamped in the buckling hole and the pressing sheet (112) is pressed down to contact the lower fixing seat (22).

2. A quick release buckle structure according to claim 1, characterized in that: The end of the elastic sheet (113) is provided with a step position (1131), and the step position (1131) matches with the upper fixing seat (21).

3. A quick release buckle structure according to claim 2, characterized in that: The spring piece (113) and the inserting piece (111) are arranged obliquely, and the pressing piece (112) and the spring piece (113) are arranged obliquely.

4. A quick release buckle structure according to claim 3, characterized in that: The pressing sheet (112), the spring sheet (113) and the inserting sheet (111) are an integrally formed structure, and the lower fixing seat (22) and the upper fixing seat (21) are an integrally formed structure.

5. A quick release buckle structure according to claim 4, characterized in that: An arc-shaped notch is provided between the spring sheet (113) and the insert sheet (111) and is arranged upwardly away from the arc-shaped notch. A U-shaped notch is provided between the pressing sheet (112) and the spring sheet (113) and is arranged downwardly away from the U-shaped notch.

6. A quick release buckle structure according to claim 5, characterized in that: The male buckle (1) further comprises an adjustment plate (12) and a base (14); the base (14) is buckled and connected to the top cover (11); and the adjustment plate (12) is clamped between the top cover (11) and the base (14).

7. A quick release buckle structure according to claim 6, characterized in that: The top cover (11) is provided with plug holes (114) on both sides, and the base (14) is provided with second protrusions (141) matching with the plug holes (114) on both sides. The base (14) is accommodated in the cavity of the top cover (11) and is buckled and connected with two corresponding plug holes (114) through the two second protrusions (141).

8. The quick release buckle structure according to claim 7, characterized in that: The top cover (11) is provided with a blind hole and a limiting groove, the adjustment plate (12) is provided with a first protrusion (121) matching with the blind hole, and both sides of the adjustment plate (12) are provided with limiting protrusions (122) matching with the limiting groove.

9. The quick release buckle structure according to claim 8, characterized in that: The end of the adjustment plate (12) is also provided with a latching tongue (123), a groove (142) for installing the rotating shaft (13) and a belt threading hole (15) are provided between the top cover (11) and the base (14), and a wearing opening (143) is also provided on the base (14).

10. A quick release buckle structure according to claim 9, characterized in that: The male buckle (1) is connected to the buckle belt (3), and a plurality of limiting teeth are provided on the buckle belt (3). The buckle belt (3) passes through the belt threading hole (15) to the wearing opening (143) and is clamped and limited by the clamping tongue (123).

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