Fastener and its wearing article

Abstract

The present disclosure provides a buckle and a wearing article thereof, the buckle comprising a first fastener, a second fastener and a third fastener, the first fastener comprising a body and at least one limiting portion connected to the body, the second fastener being assembled with the first fastener and comprising a seat body and an extension body formed by extending outwardly from the seat body, and the third fastener being arranged in the second fastener and fixedly connected to the first fastener, wherein a rope is arranged through the body and clamped by the body and the extension body, and the limiting portion limits.

Description

Technical Field

[0001] This disclosure relates to a buckle and its wearing accessories, and more particularly to a buckle and its wearing accessories for securing the end of a rope. Background Technology

[0002] Existing cord buckles, such as those disclosed in TWI827441, can be fitted onto wearable items and allow a cord to be threaded through the item. However, after the cord buckle is threaded through the item, the end of the cord is not secured and floats above the item, resulting in poor aesthetics. Summary of the Invention

[0003] The purpose of this invention is to provide a fastener and its wearable device to solve at least one of the above-mentioned problems.

[0004] This disclosure provides a fastener for threading a rope. The fastener includes: a first fastener comprising a body, a first receiving space, a first through hole, at least one limiting portion, and at least one second through hole. The first receiving space is formed inside the body, the first through hole is defined by the body and communicates with the first receiving space, the limiting portion is connected to the body, and the second through hole is defined by the body and the limiting portion; a second fastener, which is assembled with the first fastener along an operating direction, and includes a base, an extension, and a second receiving space. The base is located on one side of the body and away from the first through hole, the extension extends outward from the base, and the second receiving space is defined by the base and the extension; and a third fastener disposed within the second fastener and fixed to the first... A fastener; wherein the rope body is defined as having a connected rope body, a clamping section, and a rope tail section, the rope body not passing through the first through hole, the clamping section passing through the first through hole and located in the first accommodating space, and the rope tail section passing through the second through hole and limited by the limiting part, so that the rope tail section is adjacent to the rope body; wherein the second fastener can switch between a locked state and a released state relative to the first fastener, when in the locked state, the extension body is accommodated in the first accommodating space and adjacent to the body body, the clamping section is clamped by the extension body and the body body, and the rope tail section can be pulled away from the fastener to increase the length of the rope tail section after passing through the second through hole, when in the released state, the extension body is away from the body body, and the clamping section is not clamped by the extension body and the body body.

[0005] The aforementioned fastener also includes an elastic element disposed in the second receiving space, with its two ends abutting against the third fastener and the extension respectively, and constantly providing an elastic force that tends to keep the second fastener in the locked state.

[0006] As described above, when an external force is applied to change the second fastener from the locked state to the released state, the elastic element is compressed by the third fastener and the extension body. When the external force is removed, the elastic element rebounds, causing the second fastener to change from the released state to the locked state.

[0007] As described above, the extension body has two extensions, a connecting part, and a positioning post. The extensions extend outward from the base and are spaced apart from each other. The connecting part is connected to the end of the extension. The positioning post extends outward from the connecting part and faces the second receiving space. One end of the elastic member is sleeved on the positioning post and abuts against the connecting part.

[0008] As described above, the third fastener includes a base, two fixing portions and two snap holes. The fixing portions extend outward from opposite ends of the base and are spaced apart from each other, and are located between the extension portions. The snap holes are recessed from the fixing portions. The first fastener also includes two snap blocks, which extend outward from the body and are located in the first receiving space, and snap into the snap holes.

[0009] As described above, the fastener has two sidewall portions and two guide portions, which are spaced apart from each other and located between the sidewall portions.

[0010] As described above, the extension also has a plurality of teeth, which are disposed on the extension and located in the first accommodating space, and face the guide portion. The clamping section is clamped by the teeth and the guide portion.

[0011] As described above, the extension body also has two guide protrusions, which are provided on the extension body and located between the teeth, and are arranged in a manner that gradually moves away from the guide portion. The body also has two rope grooves, which are respectively recessed into the guide portion. The guide protrusions and the rope grooves enable the rope tail to be easily pulled away from the buckle.

[0012] As described above, the limiting part has a C-shaped block, the opposite ends of which are connected to the side wall part and located on the outside of the body, so as to be offset from the guide part in the operating direction.

[0013] As described above, the limiting part has two limiting blocks, which are respectively formed by extending outward from the side wall part in a corresponding and spaced-apart manner, and are aligned with and spaced apart from the guide part in the operating direction.

[0014] This disclosure also provides a wearable garment, comprising: a fastener, including: a first fastener comprising a body, a first receiving space, a first through hole, at least one limiting portion and at least one second through hole, the first receiving space being formed inside the body, the first through hole being defined by the body and communicating with the first receiving space, the limiting portion being connected to the body, and the second through hole being defined by the body and the limiting portion; a second fastener, which is assembled with the first fastener along an operating direction, and includes a base, an extension and the second receiving space, the base being located on one side of the body and away from the first through hole, the extension extending outward from the base, and the second receiving space being defined by the base and the extension; and a third fastener disposed within the second fastener and fixedly connected to the first fastener; and a wearable garment having an opening, wherein the fastener abuts against the first fastener along the operating direction. The device is equipped with a wearable component and an opening. A rope body is defined, comprising a connected rope body, a clamping section, and a rope tail section. The rope body passes through the wearable component but not through the first through hole. The clamping section passes through the first through hole and is located in the first accommodating space. The rope tail section passes through the second through hole and is limited by the limiting portion, causing the rope tail section to be adjacent to the rope body. The second buckle can switch between a locked state and a released state relative to the first buckle. In the locked state, the extension is accommodated in the first accommodating space and adjacent to the body. The clamping section is clamped by the extension and the body, and the rope tail section can be pulled away from the buckle to increase the length of the rope tail section after it passes through the second through hole and to reduce the opening. In the released state, the extension is away from the body, and the clamping section is not clamped by the extension and the body.

[0015] As described above, the fastener also includes an elastic element disposed in the second receiving space, with its two ends abutting against the third fastener and the extension respectively, and constantly providing an elastic force that tends to keep the second fastener in the locked state.

[0016] As described above, when an external force is applied to change the second fastener from the locked state to the released state, the elastic element is compressed by the third fastener and the extension body. When the external force is removed, the elastic element rebounds, causing the second fastener to change from the released state to the locked state.

[0017] As described above, the wearable device has two extensions, a connecting part, and a positioning post. The extensions extend outward from the base and are spaced apart from each other. The connecting part is connected to the end of the extension. The positioning post extends outward from the connecting part and faces the second accommodating space. One end of the elastic member is sleeved on the positioning post and abuts against the connecting part.

[0018] As described above, the third fastener includes a base, two fixing portions and two buckle holes. The fixing portions extend outward from opposite ends of the base and are spaced apart from each other, and are located between the extension portions. The buckle holes are recessed from the fixing portions. The first fastener also includes two buckle blocks, which extend outward from the body and are located in the first receiving space, and are snapped into the buckle holes.

[0019] As described above, the wearable device has two sidewall portions and two guide portions, which are spaced apart from each other and located between the sidewall portions.

[0020] As described above, the extension also has a plurality of teeth located in the extension and in the first accommodating space, and facing the guide portion. The clamping section is clamped by the teeth and the guide portion.

[0021] As described above, the extension also has two guide protrusions located between the teeth and gradually moving away from the guide portion. The body also has two cord grooves corresponding to the guide portion. The guide protrusions and cord grooves allow the cord tail to be easily pulled away from the buckle.

[0022] As described above in the wearable device, the limiting part has a C-shaped block, the opposite ends of which are connected to the side wall part and located on the outside of the body, so as to be offset from the guide part in the operating direction.

[0023] As described above in the wearable garment, the limiting part has two limiting blocks that are respectively formed by extending outward from the side wall portion in a corresponding and spaced-apart manner, and are aligned with and spaced apart from the guide portion in the operating direction.

[0024] In summary, the buckle and its wearable device disclosed herein can limit the end of the rope by the limiting part, so that it can be close to the rope body, so that the end of the rope does not float on top of the wearable device, resulting in good overall aesthetics and ease of use. Attached Figure Description

[0025] Figure 1 This is an overall schematic diagram of the fastener disclosed in this publication.

[0026] Figure 2 and Figure 3 This is an exploded view of the fastener disclosed in this invention from different perspectives.

[0027] Figure 4 This is a top view of the first fastener in the fastener disclosed herein.

[0028] Figure 5 and Figure 6 These are side views of the second fastener in the present disclosure from different perspectives.

[0029] Figure 7 This is a cross-sectional schematic diagram of the fastener of this disclosure in the locked state.

[0030] Figure 8 This is a cross-sectional schematic diagram of the fastener of this disclosure in the locked state.

[0031] Figure 9 This is a cross-sectional schematic diagram of the fastener of this disclosure in the released state.

[0032] Figure 10 This is a cross-sectional schematic diagram of the fastener of this disclosure in the released state.

[0033] Figure 11 This is an overall schematic diagram of the wearable device disclosed herein.

[0034] Figure 12 This is an overall schematic diagram of another embodiment of the first fastener in the present disclosure.

[0035] Figure 13 This is a top view of another embodiment of the first fastener in the present disclosure.

[0036] Figure 14 This is a side view of another embodiment of the first fastener in the present disclosure.

[0037] The attached figures are labeled as follows:

[0038] 1000 Wearable Products

[0039] 100 Fasteners

[0040] 200 wearable devices

[0041] 201 Opening

[0042] 300 rope body

[0043] 301 Rope Body

[0044] 302 Interlocking Section

[0045] 303 rope tail section

[0046] 1,1' First fastener

[0047] 11 body

[0048] 111 Side wall portion

[0049] 112 Guidance Department

[0050] 113 Rope Groove

[0051] 12 First Accommodation Space

[0052] 13 First through hole

[0053] 14 Limiting section

[0054] 141 C-shaped blocks

[0055] 142 limit blocks

[0056] 15 Second through hole

[0057] 16 Clip-on blocks

[0058] 2 Second fastener

[0059] 21 base

[0060] 22 Extensions

[0061] 221 Extension

[0062] 222 Connecting part

[0063] 223 Positioning Post

[0064] 224 teeth

[0065] 225 guide protrusion

[0066] 23 Second Accommodation Space

[0067] 24. Cover

[0068] 3 Third fastener

[0069] 31 Base

[0070] 32 Fixing part

[0071] 33 Buckle holes

[0072] 4. Elastic components

[0073] D opening

[0074] F External force

[0075] X Operation Direction

[0076] Y indicates the direction of pull. Detailed Implementation

[0077] Please see Figure 1 , Figure 2 and Figure 3The fastener 100 disclosed herein includes a first fastener 1, a second fastener 2, a third fastener 3, and an elastic member 4. The first fastener 1 and the second fastener 2 are assembled together. The third fastener 3 is disposed within the second fastener 2 and fixed to the first fastener 1. The elastic member 4 is disposed within the second fastener 2 and abuts against the second fastener 2 and the third fastener 3. The structure of each component and the connection relationship between them will be described in detail below.

[0078] Please refer to the following: Figure 4 The first fastener 1 includes a body 11, a first receiving space 12, a first through hole 13, two limiting parts 14, two second through holes 15, and two fastening blocks 16. The body 11 has two sidewall portions 111, two guide portions 112, and two rope grooves 113. The two sidewall portions 111 are arranged parallel to each other at a distance. The two guide portions 112 are spaced apart from each other and located between the sidewall portions 111, one of which is located at one end of the two sidewall portions 111 and adjacent to the bottom side of the two sidewall portions 111, and the other guide portion 112 is located at the other end of the two sidewall portions 111 and adjacent to the bottom side of the two sidewall portions 111, making the sidewall portions 111 and the guide portions 112 generally hollow rings (e.g., Figure 4 (as shown in the top view), and together they define the first receiving space 12. Two rope grooves 113 are respectively recessed in the guide portion 112 and face the first receiving space 12. The first through hole 13 has a roughly circular cross-section, is defined by the side wall portion 111 and the guide portion 112, and communicates with the first receiving space 12.

[0079] Each of the two limiting portions 14 has a C-shaped block 141, with both ends of each C-shaped block 141 connected to the sidewall portion 111, and located outside the body 11 and adjacent to the guide portion 112, so that the C-shaped block 141 and the sidewall portion 111 are roughly hollow elliptical rings, so as to be offset from the guide portion 112 in the operating direction X (e.g., Figure 4 As shown, the C-shaped block 141 does not obscure the guide portion 112. The second through hole 15 is defined by the guide portion 112 and the C-shaped block 141, and connects to the first receiving space 12. Two latching blocks 16 extend outward from the side wall portion 111 and are located in the first receiving space 12.

[0080] In one embodiment, the first fastener 1 is integrally formed, but this disclosure is not limited thereto.

[0081] Please refer to the following: Figure 5 and Figure 6The second fastener 2 is assembled with the first fastener 1 along an operating direction X, and includes a base 21, an extension 22, a second accommodating space 23, and a cover 24. The base 21 is generally a hollow rectangular body and is located on one side of the body 11 away from the first through hole 13. The extension 22 has two extensions 221, a connecting portion 222, a positioning post 223, multiple teeth 224, and two guide protrusions 225. The extensions 221 extend outward from the base 21 at intervals and are respectively adjacent to the guide portion 112. The connecting portion 222 connects to the ends of the two extensions 221, making the extensions 221 and the connecting portion 222 generally U-shaped, and the base 21, the extensions 221, and the connecting portion 222 together define the second accommodating space 23. The positioning post 223 extends outward from the connecting portion 222 and faces the second accommodating space 23. Multiple teeth 224 are respectively disposed on the outer side of the extension 221 and located in the first accommodating space 12, and face the guide portion 112 and the rope groove 113 respectively. Two guide protrusions 225 are respectively disposed on the outer side of the extension 221 and located between the teeth 224, and are inclined in a manner gradually moving away from the guide portion 112. The cover 24 can be snapped onto the end of the base 21 away from the first fastener 1 and covers the second accommodating space 23.

[0082] The third fastener 3 includes a base 31, two fixing portions 32, and two snap-fit ​​holes 33. The base 31 is housed within the base 21. The two fixing portions 32 extend outward from opposite ends of the base 31 and are spaced apart from each other, forming a U-shape. Part of the fixing portions 32 are located between the extension portions 221, and part is located within the first accommodating space 12. The two snap-fit ​​holes 33 are recessed from the outer sides of the fixing portions 32 and are respectively used by the snap-fit ​​blocks 16 to snap onto the base, thus securing the third fastener 3 to the first fastener 1.

[0083] The elastic element 4 is disposed in the second accommodating space 23. One end of the elastic element 4 abuts against the base 31 of the third fastener, and the other end is sleeved on the positioning post 223 and abuts against the connecting part 222. The elastic element 4 constantly provides an elastic force, which keeps the extension 22 of the second fastener 2 constantly located in the first accommodating space 12.

[0084] In one embodiment, the elastic element 4 is a compression spring, but this disclosure is not limited thereto.

[0085] The following describes the operation of the fastener 100 disclosed herein. Figure 7 and Figure 9 For general reference, please refer to the following: Figure 1 A cross-sectional diagram showing the locked and released states formed by the position of the AA section line. Figure 8 and Figure 10 For general reference, please refer to the following: Figure 1A cross-sectional diagram showing the locked and released states formed by the position of the BB section line. The second fastener 2 can be in a locked state relative to the first fastener 1. Figure 7 and Figure 8 ) and a released state ( Figure 9 and Figure 10 The second fastener 2 can be switched between the following states: In the locked state, since the third fastener 3 and the first fastener 1 are fixed to each other through the buckle hole 33 and the buckle block 16, the elastic force provided by the elastic member 4 will keep the extension body 22 accommodated in the first accommodating space 12. That is, the elastic force tends to keep the second fastener 2 in the locked state. At this time, the tooth 224 and the guide protrusion 225 are adjacent to the guide part 112 and the rope groove 113 respectively, and face the guide part 112 and the rope groove 113 respectively. The connecting part 222 is adjacent to the first through hole 13, and the side wall part 111 is partially accommodated in the seat body 21.

[0086] When an external force F is applied along the operating direction X, causing the second fastener 2 to move away from the first fastener 1 along the operating direction X and change from the locked state to the released state, since the third fastener 3 and the first fastener 1 are fixed to each other through the latching hole 33 and the latching block 16, the connecting part 222 moves towards the base 31 of the third fastener 3, and the elastic member 4 is compressed by the connecting part 222 and the base 31. At this time, the extension body 22 moves away from the first accommodating space 12, the teeth 224 and the guide protrusion 225 move away from the guide part 112 and the rope groove 113 respectively, and the connecting part 222 moves away from the first through hole 13. When the external force F is removed, the elastic member 4 rebounds, causing the second fastener 2 to change from the released state to the locked state.

[0087] The disclosed fastener 100 allows a rope 300 to be threaded through it. The rope 300 is defined by a connected rope body 301, a clamping section 302, and a rope tail section 303. The rope body 301 does not pass through the first through hole 13, but is attached to the bottom side of the guide portion 112. The clamping section 302 passes through the first through hole 13 and is located in the first receiving space 12, and can be attached to the side of the guide portion 112 facing the first receiving space 12 and accommodated in the rope groove 113. The rope tail section 303 passes through the second through hole 15 and is limited by the limiting portion 14, for example, attached to the bottom side of the C-shaped block 141, so that the rope tail section 303 is adjacent to the rope body 301.

[0088] In one embodiment, the rope 300 may be a three-strand cotton rope, a braided cotton rope, or a webbing, but is not limited thereto.

[0089] When locked, the clamping section 302 is clamped by the teeth 224 of the extension 22 and the guide portion 112 of the body 11. Due to the presence of the guide protrusion 225 and the rope groove 113, the rope tail section 303 can be easily pulled away from the buckle 100 (e.g., ...). Figure 7The pulling direction (Y) is adjusted to increase the length of the rope tail section 303 after it passes through the second through hole 15. When in the released state, the clamping section 302 is not clamped by the teeth 224 of the extension body 22 and the guide part 112 of the body 11, and the amount of rope 300 pulled out or the tightness can be adjusted at this time.

[0090] Please see Figure 11 The wearable garment 1000 disclosed herein may include the aforementioned buckle 100, a wearable component 200, and a rope 300. The wearable component 200 may be, for example, a shoe with an opening 201 (e.g., at the tongue, which determines whether the wearable component 200 can detach from the foot), but this disclosure is not limited thereto; it may also be clothing or similar items with straps, ropes, cords, etc. When the wearable component 200 is a shoe, the rope 300 is a shoelace threaded onto the shoe. The buckle 100 abuts against the wearable component 200 along the operating direction X, corresponding to the opening 201, and allows the rope 300 to pass through. The rope body 301 passes through the wearable component 200, a clamping section 302 is provided in the first accommodating space 12, and the rope tail section 303 passes through the second through hole 15 and is limited by the aforementioned limiting portion 14. In the locked state, the rope tail 303 can be pulled away from the buckle 100 to increase the length of the rope tail 303 after passing through the second through hole 15 and narrow the opening 201 to prevent the wearer 200 from falling off the foot. In the released state, since the clamping section 302 is not clamped by the extension body 22 and the body 11, the length of the rope tail 303 after passing through the second through hole 15 can be reduced (the amount of rope 300 pulled out or the tightness can be adjusted) to widen the opening 201, thereby allowing the wearer 200 to fall off the foot.

[0091] The limiting portion 14 of the first fastener 1 described above is illustrated using a C-shaped block 141 as an example, but this disclosure is not limited thereto. Please refer to... Figure 12 , Figure 13 and Figure 14 One of the limiting portions 14 of the first fastener 1' can also be implemented using two limiting blocks 142. Each limiting portion 14 has two limiting blocks 142, which extend outward from the sidewall portion 111 respectively, are aligned with the guide portion 112 in the operating direction X, and are spaced apart from the guide portion 112, such that the guide portion 112, the sidewall portion 111, and the limiting blocks 142 together define the second through hole 15, giving the second through hole 15 a roughly rectangular cross-section. The limiting blocks 142 are spaced apart from each other, meaning each limiting block 142 has an opening D. The rope tail 303 can be pressed into the second through hole 15 through the opening D, so that the rope tail 303 is limited by the limiting blocks 142.

[0092] Figure 12 and Figure 13The first fastener 1' shown in the illustration uses two limiting parts 14, one C-shaped block 141 and two limiting blocks 142, as an example. However, this disclosure is not limited to this. The two limiting parts 14 can also be implemented with four limiting blocks 142, that is, each limiting part 14 has two limiting blocks 142. The fastener 100 of this disclosure can be designed so that both limiting parts 14 are in the form of C-shaped blocks 141, both are in the form of limiting blocks 142, or a combination of C-shaped blocks 141 and limiting blocks 142, depending on the design requirements.

[0093] In summary, the buckle and its wearable device disclosed herein can limit the end of the rope by the limiting part, so that it can be close to the rope body, so that the end of the rope does not float on top of the wearable device, resulting in good overall aesthetics and ease of use.

Claims

1. A fastener for threading a rope, the fastener comprising: The first fastener includes a body, a first receiving space, a first through hole, at least one limiting part and at least one second through hole. The first receiving space is formed inside the body. The first through hole is surrounded and defined by the body and communicates with the first receiving space. The limiting part is connected to the body. The second through hole is surrounded and defined by the body and the limiting part. The second fastener is assembled with the first fastener along an operating direction and includes a base, an extension and a second receiving space. The base is located on one side of the main body and away from the first through hole. The extension extends outward from the base. The second receiving space is defined by the base and the extension. as well as The third fastener is located inside the second fastener and is fixed to the first fastener; The rope body is defined as having a connected rope body, a clamping section and a rope tail section. The rope body does not pass through the first through hole. The clamping section passes through the first through hole and is located in the first accommodating space. The rope tail section passes through the second through hole and is limited by the limiting part, so that the rope tail section is adjacent to the rope body. The second fastener can switch between a locked state and a released state relative to the first fastener. In the locked state, the extension is accommodated in the first accommodating space and adjacent to the body. The clamping section is clamped by the extension and the body, and the rope tail can be pulled away from the fastener to increase the length of the rope tail after it passes through the second through hole. In the released state, the extension is away from the body, and the clamping section is not clamped by the extension and the body.

2. The fastener as described in claim 1, wherein, The fastener also includes an elastic element disposed in the second receiving space, with its two ends abutting against the third fastener and the extension respectively, and constantly providing an elastic force that tends to keep the second fastener in the locked state.

3. The fastener as described in claim 2, wherein, When an external force is applied to change the second fastener from the locked state to the released state, the elastic element is compressed by the third fastener and the extension body. When the external force is removed, the elastic element rebounds, causing the second fastener to change from the released state to the locked state.

4. The fastener as described in claim 2, wherein, The extension has two extensions, a connecting part and a positioning post. The extensions extend outward from the base and are spaced apart from each other. The connecting part is connected to the end of the extension. The positioning post extends outward from the connecting part and faces the second accommodating space. One end of the elastic member is sleeved on the positioning post and abuts against the connecting part.

5. The fastener as described in claim 4, wherein, The third fastener includes a base, two fixing portions and two snap holes. The fixing portions extend outward from opposite ends of the base and are spaced apart from each other, and are located between the extension portions. The snap holes are recessed from the fixing portions. The first fastener also includes two snap blocks. The snap blocks extend outward from the body and are located in the first receiving space, and are snapped into the snap holes.

6. The fastener as described in claim 4, wherein, The body has two sidewall portions and two guide portions, which are spaced apart from each other and located between the sidewall portions.

7. The fastener as described in claim 6, wherein, The extension also has a plurality of teeth, which are disposed on the extension and located in the first accommodating space and face the guide portion. The clamping section is clamped by the teeth and the guide portion.

8. The fastener as described in claim 7, wherein, The extension also has two guide protrusions, which are located between the teeth and are arranged to gradually move away from the guide. The body also has two rope grooves, which are respectively recessed into the guide. The guide protrusions and the rope grooves enable the rope tail to be easily pulled away from the buckle.

9. The fastener as claimed in claim 6, wherein, The limiting part has a C-shaped block, the opposite ends of which are connected to the side wall part and located on the outside of the body, so as to be offset from the guide part in the operating direction.

10. The fastener as claimed in claim 6, wherein, The limiting part has two limiting blocks, which are respectively formed by extending outward from the side wall part in a corresponding and spaced-apart manner, and are aligned with the guide part and spaced apart from the guide part in the operating direction.

11. A wearable product comprising: Fasteners, including: The first fastener includes a body, a first receiving space, a first through hole, at least one limiting part and at least one second through hole. The first receiving space is formed inside the body. The first through hole is surrounded and defined by the body and communicates with the first receiving space. The limiting part is connected to the body. The second through hole is surrounded and defined by the body and the limiting part. The second fastener, which mates with the first fastener along an operating direction, includes a base, an extension, and a second receiving space. The base is located on one side of the main body and away from the first through hole. The extension extends outward from the base. The second receiving space is defined by the base and the extension. The third fastener is located inside the second fastener and is fixed to the first fastener; A wearable component having an opening, wherein the buckle abuts against the wearable component along the operating direction and corresponds to the opening; and The rope body is defined as having a connected rope body, a clamping section and a rope tail section. The rope body is inserted through the wearable device but not through the first through hole. The clamping section is inserted through the first through hole and located in the first accommodating space. The rope tail section is inserted through the second through hole and is limited by the limiting part, so that the rope tail section is adjacent to the rope body. The second fastener can switch between a locked state and a released state relative to the first fastener. In the locked state, the extension is accommodated in the first accommodating space and adjacent to the main body. The clamping section is clamped by the extension and the main body, and the rope tail can be pulled away from the fastener to increase the length of the rope tail after it passes through the second through hole and reduce the opening. In the released state, the extension is away from the main body, and the clamping section is not clamped by the extension and the main body.

12. The wearable article as claimed in claim 11, wherein, The fastener also includes an elastic element disposed in the second receiving space, with its two ends abutting against the third fastener and the extension respectively, and constantly providing an elastic force that tends to keep the second fastener in the locked state.

13. The wearable article as claimed in claim 12, wherein, When an external force is applied to change the second fastener from the locked state to the released state, the elastic element is compressed by the third fastener and the extension body. When the external force is removed, the elastic element rebounds, causing the second fastener to change from the released state to the locked state.

14. The wearable article as claimed in claim 12, wherein, The extension has two extensions, a connecting part and a positioning post. The extensions extend outward from the base and are spaced apart from each other. The connecting part is connected to the end of the extension. The positioning post extends outward from the connecting part and faces the second accommodating space. One end of the elastic member is sleeved on the positioning post and abuts against the connecting part.

15. The wearable article as claimed in claim 14, wherein, The third fastener includes a base, two fixing portions and two snap holes. The fixing portions extend outward from opposite ends of the base and are spaced apart from each other, and are located between the extension portions. The snap holes are recessed from the fixing portions. The first fastener also includes two snap blocks. The snap blocks extend outward from the body and are located in the first receiving space, and are snapped into the snap holes.

16. The wearable article as claimed in claim 14, wherein, The body has two sidewall portions and two guide portions, which are spaced apart from each other and located between the sidewall portions.

17. The wearable article as claimed in claim 16, wherein, The extension also has a plurality of teeth, which are disposed on the extension and located in the first accommodating space and face the guide portion. The clamping section is clamped by the teeth and the guide portion.

18. The wearable article as claimed in claim 17, wherein, The extension also has two guide protrusions, which are located between the teeth and are arranged to gradually move away from the guide. The body also has two rope grooves, which are respectively recessed into the guide. The guide protrusions and the rope grooves enable the rope tail to be easily pulled away from the buckle.

19. The wearable article as claimed in claim 16, wherein, The limiting part has a C-shaped block, the opposite ends of which are connected to the side wall part and located on the outside of the body, so as to be offset from the guide part in the operating direction.

20. The wearable article as claimed in claim 16, wherein, The limiting part has two limiting blocks, which are respectively formed by extending outward from the side wall part in a corresponding and spaced-apart manner, and are aligned with the guide part and spaced apart from the guide part in the operating direction.

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