CN218650594U

CN218650594U - Belt fixing buckle

Info

Publication number: CN218650594U
Application number: CN202222794476.XU
Authority: CN
Inventors: 李斌
Original assignee: Maijia Nordic Co ltd
Current assignee: Maijia Nordic Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-21
Publication date: 2023-03-21
Anticipated expiration: 2032-10-21
Also published as: JP3240198U

Abstract

The utility model provides a fixed knot of belt, the fixed knot of belt includes: the fixing buckle comprises a fixing buckle body, a V-shaped three-hole torsion spring, an inner slide buckle and an outer slide buckle; the fixed first slotted hole that has on detaining the body, three hole torsional springs in V-arrangement are located in the first slotted hole, just the middle fixed part of three hole torsional springs in V-arrangement with fixed this body coupling of detaining, in order to realize the spacing of three hole torsional springs in V-arrangement, interior thread slipping is located respectively with outer thread slipping the fixed both sides of detaining the body, interior thread slipping and outer thread slipping all with the first end fixed part and the second end fixed connection of three hole torsional springs in V-arrangement hold fixed connection, interior thread slipping can be followed with outer thread slipping fixed body synchronous movement is in order to compress or release three hole torsional springs in V-arrangement, the one end tip of outer thread slipping has the belt extrusion portion, and through compression or release three hole torsional springs in V-arrangement can make the belt extrusion portion loosens or locks the belt. The belt fixing buckle has good stability and high comfort when a human body holds the belt fixing buckle.

Description

Belt fixing buckle

Technical Field

The utility model relates to a belt fixing device technical field especially relates to a buckle is fixed to belt.

Background

Many wearable products, such as a belt, a backpack, a watch, etc., which are worn on a product without separating a belt and a belt fastener for fastening the belt, include a belt and a belt fastener. At present, after the product is worn on the corresponding part of a human body, in order to ensure the comfort of the worn product, the tightness of the belt of the product is generally required to be conveniently adjusted.

The belt fixing buckles commonly used at present and capable of adjusting the tightness of the belt generally adopt cylindrical springs which are laterally arranged at two sides of a fixing buckle body, and the belt fixing buckles of the type can release the belt by pressing the cylindrical springs so as to adjust the belt. The prior belt fixing buckle can realize the adjustment of the belt, but has the problems of uncomfortable holding and poor stability of the human body. Therefore, it is a technical problem to be solved urgently how to provide a belt fastener with high comfort for human body to hold and high stability.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a fixed knot of belt to solve one or more technical problem that prior art exists.

According to an aspect of the utility model, a buckle is fixed to belt is provided, buckle is fixed to belt includes: the fixing buckle comprises a fixing buckle body, a V-shaped three-hole torsion spring, an inner slide buckle and an outer slide buckle;

the fixed first slotted hole that has on detaining the body, three hole torsional springs in V-arrangement are located in the first slotted hole, just the middle fixed part of three hole torsional springs in V-arrangement with fixed this body coupling of detaining, in order to realize the spacing of three hole torsional springs in V-arrangement, interior thread slipping is located respectively with outer thread slipping the fixed both sides of detaining the body, interior thread slipping and outer thread slipping all with the first end fixed part and the second end fixed connection of three hole torsional springs in V-arrangement hold fixed connection, interior thread slipping can be followed with outer thread slipping fixed body synchronous movement is in order to compress or release three hole torsional springs in V-arrangement, the one end tip of outer thread slipping has the belt extrusion portion, and through compression or release three hole torsional springs in V-arrangement can make the belt extrusion portion loosens or locks the belt.

In some embodiments of the present invention, a position of the inner slider corresponding to the first slot hole has a belt insertion groove, and one side of the belt insertion groove has a belt guide portion.

In some embodiments of the present invention, the belt squeezing portion has a zigzag structure.

In some embodiments of the present invention, a protrusion is disposed on one side of the external slider close to the fixing buckle body, the protrusion is disposed on one side of the first slot, and the belt squeezing portion is used for squeezing the belt between the belt squeezing portion and the protrusion.

In some embodiments of the present invention, the first slot hole is a square hole, and a middle portion of a first side of the square hole has a limiting hole, the middle fixing portion of the V-shaped three-hole torsion spring is disposed in the limiting hole, the limiting hole limits the V-shaped three-hole torsion spring in a first direction and a second direction, the first direction is a sliding direction of the inner slider and the outer slider;

the boss is located on a second side of the first slot opposite to the first side.

In some embodiments of the utility model, the fixed body of detaining includes first arc and certainly two relative side orientations of first arc are kept away from the first hem that the direction of outer thread slipping extends, interior thread slipping is located two between the first hem, just interior thread slipping is followed the inner wall of first hem slides.

In some embodiments of the present invention, the outer slide fastener is a U-shaped plate structure, and two side walls of the outer slide fastener are respectively located outside the first folding edge of the fixed fastener body.

In some embodiments of the present invention, the inner slide fastener includes a second arc-shaped plate and a second folded edge, two of which are parallel to each other, extending in the direction of the first arc-shaped plate towards two opposite side edges of the second arc-shaped plate.

In some embodiments of the present invention, the positions of the inner and outer sliders corresponding to the first and second end fixing portions of the three-hole V-shaped torsion spring have mounting holes, and the inner and outer sliders and the three-hole V-shaped torsion spring are integrally connected.

In some embodiments of the present invention, the end of the fixing buckle body away from the first slot has a plurality of second slots; and/or

The end of the outer slide fastener far away from the belt squeezing part is provided with a lug.

The utility model discloses a belt fixed knot adopts the three hole torsional springs of V-arrangement, and the three hole torsional springs of V-arrangement is arranged in the first slotted hole of fixed knot body, and the three hole torsional springs of V-arrangement still is located between interior thread slipping and the outer thread slipping, and the belt fixed knot of this structure has reduced whole width, and has improved the comfort level that the human body gripped; the V-shaped three-hole torsion spring can adjust the balance degree of the inner slide fastener and the outer slide fastener in the width direction of the fixing fastener body when the inner slide fastener and the outer slide fastener slide, so that the sliding stability is improved; in addition the utility model discloses a three hole torsional springs of V-arrangement protect through fixed knot of belt, interior thread slipping and outer thread slipping, then still further saved production technology and manufacturing cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For convenience in illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary device actually manufactured according to the present invention. In the drawings:

fig. 1 is a schematic structural view of a belt fastener according to an embodiment of the present invention.

Fig. 2 is an exploded view of the buckle according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a fixing buckle body according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the inner slide fastener according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an outer slide fastener according to an embodiment of the present invention.

The reference numbers: the first slot 110 of the buckle body 100, the protrusion 111 of the first slot 110, the position-limiting hole 112 of the first arc 121, the first flange 122 of the second slot 130V-shaped three-hole torsion spring 200, the first end fixing part 210, the second end fixing part 220, the second end fixing part 230, the inner slide fastener 300 belt, the slot 310 belt guiding part 320, the second arc 331, the second flange 332, the outer slide fastener 400 belt pressing part 410, the lug 420

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

It should be emphasized that the term "comprises/comprising/comprises/having" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.

It should be noted that the terms of orientation and orientation used in the present specification are relative to the position and orientation shown in the drawings; the term "coupled" herein may mean not only directly coupled, but also indirectly coupled, in which case intermediates may be present, if not specifically stated. A direct connection is one in which two elements are connected without the aid of intermediate elements, and an indirect connection is one in which two elements are connected with the aid of other elements.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, like reference characters designate the same or similar parts throughout the several views.

Fig. 1 is a schematic structural view of a buckle for fixing a belt according to an embodiment of the present invention, and fig. 2 is a schematic explosion view of a buckle for fixing a belt according to an embodiment of the present invention, as shown in fig. 1 and 2, the buckle for fixing a belt includes: the fixing buckle comprises a fixing buckle body 100, a V-shaped three-hole torsion spring 200, an inner slide buckle 300 and an outer slide buckle 400.

The fixing buckle body 100 is provided with a first slotted hole 110, the V-shaped three-hole torsion spring 200 is positioned in the first slotted hole 110, the middle fixing part 210 of the V-shaped three-hole torsion spring 200 is connected with the fixing buckle body 100 to realize the limit of the V-shaped three-hole torsion spring 200, the inner slide buckle 300 and the outer slide buckle 400 are respectively positioned at two sides of the fixing buckle body 100, the inner slide buckle 300 and the outer slide buckle 400 are both fixedly connected with the first end fixing part 220 and the second end fixing part 230 of the V-shaped three-hole torsion spring 200, the inner slide buckle 300 and the outer slide buckle 400 can synchronously move along the fixing buckle body 100 to compress or release the V-shaped three-hole torsion spring 200, one end part of the outer slide buckle 400 is provided with a belt squeezing part 410, and a belt can be loosened or locked by compressing or releasing the belt squeezing part 410 of the V-shaped three-hole torsion spring 200.

In fig. 2, the outer slider 400 is located above the holder body 100, the inner slider 300 is located below the holder body 100, the V-shaped three-hole torsion spring 200 is located between the outer slider 400 and the inner slider 300, and the V-shaped three-hole torsion spring 200 is further disposed in the first slot 110 of the holder body 100. In this embodiment, the inner slider 300 and the outer slider 400 are simultaneously movable in the lengthwise direction of the holder body 100, and the V-shaped three-hole torsion spring 200 is also compressed and released in the lengthwise direction of the holder body 100 as the inner and outer sliders move. In fig. 1, when the inner and outer sliders are simultaneously moved leftward in the length direction of the holder buckle body 100, the tape pressing portion 410 of the outer slider 400 releases the tape passed through the first slot 110. Illustratively, when the belt buckle of the present application is used as a belt buckle, a first end of the belt is fixedly connected to an end of the buckle body 100, and a second end of the belt penetrates through the first slot 110 of the buckle body 100, and the outer slider 400 is further slid leftward to extend the second end of the belt to the outside of the belt buckle, and then the outer slider 400 is released, the outer slider 400 is pushed to an initial position due to the action of the V-shaped three-hole torsion spring 200, and the belt squeezing portion 410 of the outer slider 400 squeezes the belt tightly to lock the belt. Similarly, when the waist belt is loosened, the outer slider 400 is correspondingly moved leftward so that a gap between the strap pressing portion 410 of the outer slider 400 and a member engaged with the strap pressing portion is greater than the thickness of the strap, so that the strap is movable in the gap. It should be understood that the belt mentioned here is only one of the application modes of the belt buckle of the present invention, and does not limit the application scenario of the belt buckle, for example, the belt buckle may be used for wearable products such as a backpack and a watch besides the belt.

In the above embodiment, the spring used in the strap retaining buckle is the V-shaped three-hole torsion spring 200, the middle fixing portion 210 of the V-shaped three-hole torsion spring 200 is connected to the retaining buckle body 100, and the first end fixing portion 220 and the second end fixing portion 230 of the V-shaped three-hole torsion spring 200 are fixedly connected to the inner slider 300 and the outer slider 400, so that when the inner slider 300 and the outer slider 400 slide, the middle fixing portion 210 of the V-shaped three-hole torsion spring 200 is fixed, and the first end fixing portion 220 and the second end fixing portion 230 of the V-shaped three-hole torsion spring 200 can reciprocate with the outer slider 400 and the inner slider 300, thereby compressing and releasing the V-shaped three-hole torsion spring 200. Compared with the fixing buckle which generally adopts a columnar spring in the prior art, the belt fixing buckle with the structure reduces the whole width size of the belt fixing buckle to a certain extent, thereby greatly improving the comfort of holding by a human body. In addition, the belt fixing buckle adopts the V-shaped three-hole torsion spring 200, and the V-shaped three-hole torsion spring 200 has the function of adjusting the left and right balance of the inner slider 300 and the outer slider 400 in the belt fixing buckle, so that the smoothness and stability of the inner slider 300 and the outer slider 400 during sliding are improved, and the service life of the belt fixing buckle is prolonged. In addition to the aforesaid, the three hole torsional springs 200 in V-arrangement of this application is owing to be located the first slotted hole 110 on the fixed body 100 of detaining, and three hole torsional springs 200 in V-arrangement still are set up including between thread slipping 300 and the outer thread slipping 400, three hole torsional springs 200 in V-arrangement are pre-buried structure, therefore it can be thought to seal through interior thread slipping 300, outer thread slipping 400 and fixed body 100 of detaining, thereby realized the protection to three hole torsional springs 200 in V-arrangement, need not to set up solitary protection part for three hole torsional springs 200 in V-arrangement, therefore practice thrift production processes, and the production cost is reduced.

Further, the inner slider 300 has a strap inserting groove 310 at a position corresponding to the first slot hole 110, and a strap guide 320 is provided at one side of the strap inserting groove 310. Referring to fig. 4, the right end of the inner slider 300 has a rectangular groove as a band passing through the groove 310; when the strap extends from the bottom of the strap retainer buckle to the top of the strap retainer buckle, the strap first passes through the strap passing groove 310 of the inner slider 300 and then passes through the first slot 110 of the retainer buckle body 100. In addition, the right side of the band insertion groove 310 has an obliquely disposed band guide portion which can be considered as extending obliquely inward from the right side edge of the band insertion groove 310, where "inward" refers to the side of the product facing the human body when worn on the human body, and can also be understood as the bottom of the band fastener shown in fig. 1. It can be understood that the band guide 320 is provided at the right side of the band insertion groove 310 to save a pulling force when the band is adjusted and also to reduce a frictional force between the band and the edge of the band insertion groove 310 to some extent, thereby extending the life span of the band.

Fig. 5 is a schematic structural view of an outer slider 400 according to an embodiment of the present invention, and as shown in fig. 5, a belt pressing portion 410 of the outer slider 400 is located at a right end of the outer slider 400, and the belt pressing portion 410 has a zigzag structure. In this embodiment, when the V-shaped three-hole torsion spring 200 is in the released state, the saw-toothed structure on the outer slider 400 is tightly attached to the abutting member, and the strap is squeezed between the saw-toothed structure and the abutting member, so that the position of the strap is defined. Wherein, the abutting component outside the outer sliding buckle 400 can be one part of the fixing buckle body or a separate component connected to the fixing buckle body; the specific structure is not limited, as long as the strap pressing portion 410 of the outer slider 400 cooperates with an external abutting member to lock the strap when the V-shaped three-hole torsion spring 200 is in the released state. Further, when the outer slider 400 is slid, in order to facilitate pushing the outer slider 400, one end of the outer slider 400, which is far away from the strap pressing portion 410, is provided with a lug 420, referring to fig. 3, the lug 420 is located at the middle part of the left end of the outer slider 400, and the lug 420 and the outer slider 400 may be an integral structure; in this embodiment, when the outer slider 400 needs to be slid to compress the V-shaped three-hole torsion spring 200, the corresponding pushing lugs 420 are only needed.

Further, a side of the holder buckle body 100 adjacent to the outer slider 400 has a protrusion 111, the protrusion 111 is located at a side of the first slot 110, and the strap pressing part 410 is used for pressing the strap between the strap pressing part 410 and the protrusion 111. Referring to fig. 3, the protrusion 111 is located at the right side of the first slot 110, the protrusion 111 is in a slope structure, the left end surface of the protrusion 111 serves as a matching surface with the strap pressing portion 410, and the left end surface of the protrusion 111 is in the same vertical plane with the right side wall of the first slot 110. In this embodiment, the protrusion 111 serves as an abutting member of the tape pressing portion 410, and the abutting member is integrally formed with the holder buckle body 100.

In addition, as can be seen from fig. 3, the first slot 110 of the holder buckle body 100 can be a square hole, and the V-shaped three-hole torsion spring 200 is specifically installed in the square hole. For better limiting of the V-shaped three-hole torsion spring 200, the middle of the first side of the square hole has a limiting hole 112, and the first side of the square hole refers to the left side of the square hole in fig. 3. At this time, the middle fixing portion 210 of the V-shaped three-hole torsion spring 200 is disposed in the limiting hole 112, and the limiting hole 112 limits the V-shaped three-hole torsion spring 200 in a first direction and a second direction, the first direction is a moving direction of the inner slider 300 and the outer slider 400, the first direction can also be regarded as a length direction of the holder body 100, and the second direction is a width direction of the holder body 100. As can be seen from FIG. 3, the position-limiting hole 112 is a three-quarter circular hole, and the position-limiting hole 112 is further communicated with the first slot 110.

In some embodiments of the present invention, the fixing buckle body 100 includes a first arc-shaped plate 121 and a first folding edge 122 extending from two opposite side orientations of the first arc-shaped plate 121 in the direction of the outer slide fastener 400, the inner slide fastener 300 is located two between the first folding edges 122, and the inner slide fastener 300 is along the inner wall of the first folding edge 122 slides. Wherein, two opposite sides of the first arc-shaped plate 121 are two opposite long sides of the first arc-shaped plate 121, and the direction away from the outer slider 400 can be understood as the side of the belt fastener facing the human body. In this embodiment, the first folding edge 122 not only improves the supporting strength of the holder buckle body 100, but also further plays a role in guiding the inner slider 300 and the outer slider 400 when they move.

Further, the outer slide fastener 400 is a U-shaped plate structure, and two side walls of the outer slide fastener 400 are respectively located at the outer side of the first folding edge 122 of the fixing fastener body 100. In order to reduce the friction between the side walls of the outer slider 400 and the first folding edge 122 of the holder buckle body 100, the distance between the two side walls of the outer slider 400 should be slightly larger than the width of the holder buckle body, i.e. a gap is left between the side walls of the outer slider 400 and the first folding edge 122 of the holder buckle body.

Similarly, the inner slide fastener 300 may further include a second arc-shaped plate 331 and second folded edges 332 extending from two opposite sides of the second arc-shaped plate 331 toward a direction away from the first arc-shaped plate 121, wherein the two second folded edges 332 are respectively parallel to the two first folded edges 122. The inner sliding buckle 300 is specifically located between the two first folding edges 122 of the fixing buckle body, and in order to enable the inner sliding buckle 300 to stably slide relative to the fixing buckle body, a gap is reserved between the second folding edge 332 of the inner sliding buckle 300 and the first folding edge 122 of the fixing buckle body; in addition to the above, mechanisms such as sliding rail sliding blocks and sliding groove pulleys can be additionally arranged between the second folding edge 332 of the inner sliding buckle 300 and the first folding edge 122 of the fixing buckle body, and between the side wall of the outer sliding buckle 400 and the first folding edge 122 of the fixing buckle body, so as to assist the sliding of the inner sliding buckle 300 and the outer sliding buckle 400.

In order to ensure the synchronism of the sliding of the inner slider 300 and the outer slider 400, the inner slider 300 and the outer slider 400 may be connected together by a detachable connection. Illustratively, the inner slider 300 and the outer slider 400 have mounting holes at positions corresponding to the first end fixing part 220 and the second end fixing part 230 of the V-shaped three-hole torsion spring 200, and the inner slider 300, the outer slider 400 and the V-shaped three-hole torsion spring 200 are connected as a whole; at this time, the inner slider 300, the outer slider 400 and the V-shaped three-hole torsion spring 200 may be connected to each other by a stud, a rivet, or the like.

Furthermore, one end of the buckle body away from the first slot 110 has a plurality of second slots 130, wherein when the first slot 110 is located at the right end of the buckle body, the second slot 130 is located at the left end of the buckle body. Referring to fig. 3, the buckle body has two second slots 130, and the two second slots 130 are rectangular holes, for example, when the belt buckle is used as a buckle for a belt, a first end of the belt passes through the two second slots 130 and is sewn to realize the fixed connection between the belt and the belt buckle, and a second end of the belt passes through the first slot 110 of the buckle body.

Through the embodiment, the belt fixing buckle of the utility model adopts the V-shaped three-hole torsion spring, the V-shaped three-hole torsion spring is arranged in the first slot of the fixing buckle body, and the V-shaped three-hole torsion spring is also positioned between the inner slide buckle and the outer slide buckle, the belt fixing buckle of the structure reduces the whole width, and improves the comfort level of human body holding; the V-shaped three-hole torsion spring can adjust the balance of the inner slide fastener and the outer slide fastener in the width direction of the fixing fastener body when the inner slide fastener and the outer slide fastener slide, so that the sliding stability is improved; in addition the utility model discloses a three hole torsional springs of V-arrangement protect through fixed knot of belt, interior thread slipping and outer thread slipping, then still further saved production technology and manufacturing cost. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.

The above listed embodiments show and describe the basic principles and main features of the present invention, but the present invention is not limited by the above embodiments, and the modifications, equivalent changes and modifications made by those skilled in the art without creative work should fall within the protection scope of the technical solution of the present invention.

Claims

1. A strap retaining buckle, comprising: the fixing buckle comprises a fixing buckle body, a V-shaped three-hole torsion spring, an inner slide buckle and an outer slide buckle;

the fixed first slotted hole that has on detaining the body, three hole torsional springs of V-arrangement are located in the first slotted hole, just the middle fixed part of three hole torsional springs of V-arrangement with fixed this body coupling of detaining, in order to realize the spacing of three hole torsional springs of V-arrangement, interior thread slipping is located respectively with outer thread slipping the fixed both sides of detaining the body, interior thread slipping all with outer thread slipping the first end fixed part and the second of three hole torsional springs of V-arrangement end fixed connection, interior thread slipping can be followed with outer thread slipping fixed body synchronous motion is with compression or release three hole torsional springs of V-arrangement, the one end tip of outer thread slipping has belt extrusion portion, and through compression or release three hole torsional springs of V-arrangement can make the extrusion portion loosens or locks the belt.

2. The strap attaching buckle as claimed in claim 1, wherein a strap inserting groove is provided at a position corresponding to the first slot hole on the inner slider, and a strap guide is provided at one side of the strap inserting groove.

3. The strap retainer buckle of claim 1 wherein said strap pressing portion is of a saw-tooth configuration.

4. The strap retainer buckle of claim 3, wherein a side of the buckle body adjacent to the outer slider has a protrusion on a side of the first slot, the strap pressing portion for pressing the strap between the strap pressing portion and the protrusion.

5. The strap retaining buckle as claimed in claim 4, wherein the first slot is a square hole, and a middle portion of a first side of the square hole has a position-limiting hole in which a middle fixing portion of the V-shaped three-hole torsion spring is disposed, the position-limiting hole limiting the V-shaped three-hole torsion spring in a first direction and a second direction, the first direction being a sliding direction of the inner and outer sliders;

6. The strap retainer buckle of claim 1 wherein the buckle body comprises a first curved plate and first flaps extending from opposite sides of the first curved plate away from the outer slide, the inner slide being positioned between the first flaps, and the inner slide sliding along inner walls of the first flaps.

7. The strap retainer buckle of claim 6 wherein the outer slider is a U-shaped plate, and the two side walls of the outer slider are located outside the first folded edge of the retainer buckle body.

8. The strap retaining buckle of claim 6, wherein said inner slide comprises a second arcuate plate and second flaps extending from opposite sides of said second arcuate plate away from said first arcuate plate, said second flaps being parallel to said first flaps, respectively.

9. The strap fixing buckle as claimed in any one of claims 1 to 8, wherein the inner and outer sliders have mounting holes at positions corresponding to the first and second end fixing portions of the V-shaped three-hole torsion spring, and the inner and outer sliders and the V-shaped three-hole torsion spring are integrally connected.

10. The strap retainer clip of claim 9 wherein an end of the retainer clip body distal from the first slot has a plurality of second slots; and/or