A bra extender

Abstract

A bra extender, comprising a base body, a first fastener, a second fastener and a fixing component. The base body includes a first part, a second part and a third part. The first part includes a first accommodation space and a first opening. The first fastener includes a first buckle and a first connecting part, the first connecting part is located in the first accommodation space, and the first buckle extends out from the first opening. The fixing component includes at least two fixing members arranged on the second part, and each fixing member includes an annular part and a base part connected between the annular part and the second part. The first buckle is used for moving along the first opening so as to change the distance between the first fastener and the second fastener.

Description

Technical Field

[0001] The present invention relates to the field of underwear, and particularly to a bra extender. Background Art

[0002] Traditional bras include two cup parts for covering the chest, two back straps connecting between the cup parts, and two shoulder straps connecting between the cup parts and the back straps. The two back straps are detachably connected and used to wear the bra on the user. Since the lengths of the two back straps are fixed, when the user gets fatter, it may be difficult to put on the bra or the user may feel very uncomfortable when wearing the bra.

[0003] An extension strap that can be connected between the two back straps is proposed to extend the length of the bra. Therefore, the user can easily wear the bra or feel very comfortable when wearing the bra. However, existing extenders may not be applicable to different bras with different snap spacings, resulting in a poor user experience of existing extenders. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a bra extender.

[0005] The present invention provides a bra extender, comprising

[0006] a base body, including a first part, a second part and a third part, the first part, the second part and the third part are arranged along a first direction, the third part is connected between the first part and the second part, the first part includes at least one first accommodation space and at least one first opening communicating with the first accommodation space, the second part includes at least one accommodation unit, and the accommodation unit includes at least one second accommodation space and at least one second opening communicating with the second accommodation space;

[0007] a first fastener, arranged on the first part and used to connect one back strap of the underwear, the first fastener includes a first snap and a first connecting part connecting the first snap, the first connecting part is located in the first accommodation space, and the first snap extends out from the first opening;

[0008] a second fastener, arranged on the first part and used to connect one of the back straps of the underwear;

[0009] at least one fixing component, arranged on the second part, each fixing component includes a first fixing piece and a second fixing piece, both the first fixing piece and the second fixing piece are used to connect the other back strap of the underwear, the first fixing piece includes a first ring part and a first base part connecting the first ring part, and the first ring part protrudes from the second opening

[0010] Wherein, the first buckle is used to move along the first opening so as to change the distance between the first buckle member and the second buckle member, and the first annular portion is used to move along the second opening so as to change the distance between the first fixing member and the second fixing member.

[0011] Further, the number of at least one of the first accommodating spaces is two, the number of at least one of the first openings is two, each first opening communicates with a corresponding one of the first accommodating spaces, the second fastener includes a second buckle and a second connecting portion connecting the second buckle, the first connecting portion and the second connecting portion are respectively located in the two first accommodating spaces, the second buckle extends out from the corresponding second opening, and the second buckle is used to move along a second direction perpendicular to the first direction in the corresponding second opening so as to change the distance between the first buckle and the second buckle.

[0012] Further, the number of at least one of the first accommodating spaces is three, the number of at least one of the first openings is three, each first opening communicates with a corresponding one of the first accommodating spaces, the bra extender further includes a third fastener provided on the first portion, the second fastener includes a second annular portion and a second connecting portion connecting the second annular portion, the third fastener includes a third annular portion and a third connecting portion connecting the third annular portion, the first connecting portion, the second connecting portion and the third connecting portion are respectively located in the three first accommodating spaces, the second buckle extends out from the corresponding second opening, the second buckle is used to move along a second direction perpendicular to the first direction in the corresponding second opening so as to change the distance between the first buckle and the second buckle, the third buckle extends out from the corresponding third opening, and the third buckle is used to move along the second direction in the corresponding third opening so as to change the distance between the second buckle and the third buckle; the first fastener, the second fastener and the third fastener are arranged along the second direction.

[0013] Further, the number of at least one of the second accommodating spaces is two, the number of at least one of the second openings is two, each second opening communicates with a corresponding one of the second accommodating spaces, the second fixing member includes a second annular portion and a second base portion connecting the second annular portion, the first base portion and the second base portion are respectively located in the two second accommodating spaces, the second annular portion extends out from the corresponding second opening, and the second annular portion is used to move along the corresponding second opening so as to adjust the distance between the first fixing member and the second fixing member along the second direction.

[0014] Further, the number of at least one of the second accommodation spaces is three, the number of at least one of the second openings is three, each second opening communicates with a corresponding one of the second accommodation spaces, the bra extender further includes a third fixing member, the second fixing member includes a second annular portion and a second base portion connecting the second annular portion, the third fixing member includes a third annular portion and a third base portion connecting the third annular portion, the first base portion, the second base portion and the third base portion are respectively located in the three second accommodation spaces, the second annular portion extends out from the corresponding second opening, and the second annular portion is configured to move along the corresponding second opening so as to adjust the distance between the first fixing member and the second fixing member in the second direction; the third annular portion extends out from the corresponding second opening, and the third annular portion is configured to move along the corresponding second opening so as to adjust the distance between the second fixing member and the third fixing member in the second direction.

[0015] Further, when the first fastener moves along the first opening, the first connecting portion moves along the first accommodation space, and when the first fixing member moves along the second opening, the second connecting portion moves along the second accommodation space.

[0016] Further, the first fastener and the second fastener are arranged in a second direction perpendicular to the first direction; the first fixing member and the second fixing member are arranged in a third direction parallel to the second direction.

[0017] Further, the first fastener and the second fastener are arranged at one end of the first portion away from the third portion, both the first fastener and the second fastener extend towards the first side of the base body, and the fixing assembly is arranged on the second side of the base body away from the first side.

[0018] Further, the number of at least one of the first fixing assemblies is three groups, the number of at least one of the accommodation units is three, and the three groups of first fixing assemblies are arranged along the first direction and respectively correspond to the three accommodation units.

[0019] Further, the third portion is made of an elastic material, the width of the third portion in the direction perpendicular to the first direction is smaller than the width of the first portion in the direction perpendicular to the first direction, and the width of the third portion in the direction perpendicular to the first direction is smaller than the width of the second portion in the direction perpendicular to the first direction.

[0020] Further, the first part includes a first edge portion away from the third part, a second edge portion connecting one end of the first edge portion, and a third edge portion connecting the other end of the first edge portion. A first chamfer is formed between the first edge portion and the second edge portion, and a second chamfer is formed between the first edge portion and the third edge portion; the second part includes a fourth edge portion away from the third part, a fifth edge portion connecting one end of the fourth edge portion, and a sixth edge portion connecting the other end of the fourth edge portion. A third chamfer is formed between the fourth edge portion and the fifth edge portion, and a fourth chamfer is formed between the fourth edge portion and the sixth edge portion.

[0021] The present invention also provides a bra extender, comprising

[0022] a base body, including a first part, a second part and a third part, the first part, the second part and the third part are arranged along a first direction, the third part is connected between the first part and the second part, and the first part includes at least one first accommodation space and at least one first opening communicating with the first accommodation space;

[0023] a first fastener, arranged on the first part and used for connecting a strap of an undergarment, the first fastener includes a first buckle and a first connecting portion connecting the first buckle, the first connecting portion is located in the first accommodation space, and the first buckle extends out from the first opening;

[0024] a second fastener, arranged on the first part and used for connecting the strap of the undergarment, the second fastener and the first fastener are arranged along a second direction perpendicular to the first direction;

[0025] at least one fixing component, arranged on the second part and used for connecting the other strap of the undergarment,

[0026] wherein, the first buckle is used for moving along the first opening so as to change the distance between the first buckle member and the second buckle member along the second direction.

[0027] Further, the number of at least one of the first accommodation spaces is at least two, the number of at least one of the first openings is at least two, each first opening communicates with a corresponding first accommodation space, the second fastener includes a second buckle and a second connecting portion connecting the second buckle, the first connecting portion and the second connecting portion are respectively arranged in two of the first accommodation spaces, the second buckle extends out from the corresponding first opening, and the second buckle is used for moving along the corresponding first opening in the second direction so as to change the distance between the first fastener and the second fastener along the second direction

[0028] Further, the number of at least one of the first accommodation spaces is at least three, the number of at least one of the first openings is at least three, each of the first openings communicates with a corresponding one of the first accommodation spaces, the bra extender further includes a third fastener, the second fastener includes a second buckle and a second connecting portion connecting the second buckle, the third fastener includes a third buckle and a third connecting portion connecting the third buckle, the first connecting portion, the second connecting portion and the third connecting portion are respectively disposed in three of the first accommodation spaces, the second buckle extends out from the corresponding first opening, the second buckle is configured to move along the corresponding first opening in the second direction, so as to change the distance between the first fastener and the second fastener along the second direction and change the distance between the second fastener and the third fastener along the second direction, the third buckle extends out from the corresponding first opening, the third buckle is configured to move along the corresponding first opening in the second direction so as to change the distance between the second fastener and the third fastener, and the first fastener, the second fastener and the third fastener are sequentially disposed along the second direction.

[0029] Further, the number of at least one of the fixing assemblies is at least two, at least two fixing assemblies are arranged along the first direction, the second portion includes at least two receiving units respectively corresponding to at least two of the fixing assemblies, each receiving unit includes at least two second accommodation spaces corresponding to the second fixing members and at least two second openings respectively communicating with the second accommodation spaces, each fixing assembly includes at least two fixing members, each fixing member includes a base portion and an annular portion connecting the base portion, the first base portion is located in a corresponding one of the second accommodation spaces, the second annular portion extends out from the second opening, and the second annular portion is configured to move along the corresponding second buckle in the third direction, so as to change the distance between two of the fixing members.

[0030] Further, both the first fastener and the second fastener are disposed at one end of the first portion away from the third portion, both the first fastener and the second fastener extend toward the first side of the base body, and the fixing assembly is disposed on the second side of the base body away from the first side.

[0031] Further, the third portion is made of an elastic material, the width of the third portion in a direction perpendicular to the first direction is smaller than the width of the first portion in a direction perpendicular to the first direction, and the width of the third portion in a direction perpendicular to the first direction is smaller than the width of the second portion in a direction perpendicular to the first direction.

[0032] Further, the first part includes a first edge portion away from the third part, a second edge portion connecting one end of the first edge portion, and a third edge portion connecting the other end of the first edge portion. A first chamfer is formed between the first edge portion and the second edge portion, and a second chamfer is formed between the first edge portion and the third edge portion; the second part includes a fourth edge portion away from the third part, a fifth edge portion connecting one end of the fourth edge portion, and a sixth edge portion connecting the other end of the fourth edge portion. A third chamfer is formed between the fourth edge portion and the fifth edge portion, and a fourth chamfer is formed between the fourth edge portion and the sixth edge portion.

[0033] Further, at least one fixing component includes at least two fixing members, and each fixing member includes an annular portion and a base portion connecting between the annular portion and the second part. The inner diameter of the annular portion along the second direction is greater than the width of the first buckle along the second direction.

[0034] Further, the inner diameter of the annular portion along the second direction is greater than twice the width of the first buckle along the second direction. A bra extender includes a cover body, and the cover body has an elastic outer layer and an elastic inner layer. The upper side of the outer layer is connected to the upper side of the inner layer, the lower side of the outer layer is connected to the lower side of the inner layer, and the outer side of the inner layer is laminated on the inner side of the outer layer; the bra extender further includes a spacer layer laminated on the outer side of the outer layer, and the cover body is detachably connected to the spacer layer; when the spacer layer is detached from the cover body, the outer layer and the inner layer can be staggered from each other to form a breastfeeding passage, so that the breast can be exposed outside the cover body through the breastfeeding passage.

[0035] Since the distance between the two fasteners can be changed, the extender can be used in different bras with different fastener spacings, and the user experience of the extender can be improved. Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. The drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0037] The present invention will be further described below in conjunction with the drawings and embodiments.

[0038] Figure 1 is a perspective view of the bra extender according to the first embodiment of the present invention;

[0039] Figure 2 is Figure 1Reverse schematic diagram of the shown bra extender;

[0040] Figure 3 is Figure 1 Cross-sectional view of the shown bra extender;

[0041] Figure 4 is Figure 1 Three-dimensional view of the fastener of the shown bra extender;

[0042] Figure 5 is Figure 1 Three-dimensional view of the fixing member of the shown bra extender;

[0043] Figure 6 is Figure 1 Three-dimensional view of the shown bra extender used on a bra;

[0044] Figure 7 Is the three-dimensional view of the bra extender of the second embodiment of the present invention. Specific embodiments

[0045] Referring to Figures 1 to 5 , a bra extender of the first embodiment of the present invention includes a base body 20, a first fastener group 30 and a plurality of fixing components 40. The base body 20 includes a first part 21, a second part 22 and a third part 23. The first part 21, the second part 22 and the third part 23 are arranged along a first direction D1, and the third part 23 is connected between the first part 21 and the second part 22. The fastener group 30 is arranged on the first part, and the fixing components 40 are arranged on the second part 22.

[0046] The first part 21 includes a plurality of first accommodation spaces 211 and a plurality of first openings 212 respectively corresponding to the plurality of first accommodation spaces 211, and each first opening 21 communicates with a corresponding one of the first accommodation spaces 211. The plurality of first accommodation spaces 211 and the plurality of first openings 212 may be arranged along a second direction D2 perpendicular to the first direction D1.

[0047] The second part 22 includes a plurality of accommodation units 220 arranged along the first direction D1. Each accommodation unit 22 includes a plurality of second accommodation spaces 221 and a plurality of second openings 222 respectively corresponding to the second accommodation spaces 221, and each second opening 222 communicates with a corresponding one of the second accommodation spaces 221. In the accommodation unit 220, the plurality of second accommodation spaces 221 and the plurality of second openings 222 are both arranged along a third direction D3 parallel to the second direction D2.

[0048] The snap - set package 30 includes a plurality of snap members 31 for connecting one of the straps of a bra and disposed at one end of the first part 21 away from the third part 23. The plurality of snap members 31 respectively correspond to the plurality of first accommodation spaces 211 and are disposed in the second direction D2. Each snap member 31 includes a snap 311 and a connecting portion 312 connecting the snap 311. The connecting portion 312 is disposed in a corresponding one of the second accommodation spaces 211, and the snap 311 extends out of the corresponding first opening 212. The width of the snap 311 along the second direction D2 is less than or equal to the width of the corresponding first opening 212. The connecting portion 312 is configured to move along the second direction D2 in the first accommodation space 211, and the snap 311 is configured to move along the second direction D2 in the first opening 21, so as to change the distance between the two snap members 31. In the first embodiment, the connecting portion 312 is an extension shaft extending along the second direction D2. In other embodiments, the connecting portion 312 may be a sphere.

[0049] The plurality of fixing components 40 are disposed along the first direction D1 and respectively correspond to the plurality of accommodation units 220. Each fixing component 40 includes a plurality of fixing members 41 disposed on the second part along the third direction D3. Each fixing member 41 includes an annular portion 411 and a base portion 412 connecting the annular portion 411. The base portion 412 is disposed in a corresponding one of the second accommodation spaces 221, and the annular portion 411 extends out of the second opening 222. The width of the annular portion 411 along the third direction D3 is less than the width of the second opening 222 along the third direction D3. The base portion 412 is configured to move along the third direction D3 in the corresponding second accommodation space 221, and the annular portion 411 is configured to move along the third direction D3 in the second opening 22, so as to change the distance between the two fixing members 41.

[0050] In the first embodiment, the plurality of snap members 31 are disposed at one end of the first part 21 away from the third part 23. The plurality of snap members 31 all extend towards the first side of the base body 20. The plurality of fixing components 30 are disposed on the second side of the base body 20 away from the first side.

[0051] The third part 23 is made of an elastic material. The width of the third part 23 in the direction perpendicular to the first direction D1 is less than the width of the first part 21 in the direction perpendicular to the first direction D1, and the width of the third part 23 in the direction perpendicular to the first direction D1 is less than the width of the second part 22 in the direction perpendicular to the first direction D1 (such as D2 or D3).

[0052] The first part 21 includes a first edge portion 21a away from the third part 23, a second edge portion 21b connecting one end of the first edge portion 21a, and a third edge portion 21c connecting the other end of the first edge portion 21a. A first chamfer 21d is formed between the first edge portion 21a and the second edge portion 21b, and a second chamfer 21e is formed between the first edge portion 21a and the third edge portion 21c; the second part 22 includes a fourth edge portion 21f away from the third part 23, a fifth edge portion 21g connecting one end of the fourth edge portion 21f, and a sixth edge portion 21h connecting the other end of the fourth edge portion 21f. A third chamfer 21i is formed between the fourth edge portion 21f and the fifth edge portion 21g, and a fourth chamfer 21j is formed between the fourth edge portion 21f and the sixth edge portion 21h.

[0053] Please refer to Figure 6 , the bra extender can be used on a bra 50. The bra 50 may include two cup portions 51 for covering the chest, two strap portions 53, 54 connected between the two cup portions 51, and two shoulder strap portions 52 connected between the cup portion 51 and the strap portion 53 or 54. The strap 53 includes a plurality of first connecting elements 531 corresponding to the fasteners 31, and the strap 54 includes a plurality of second connecting elements 532 corresponding to the fixing members 41. The fastener 31 can connect the first connecting element 532, and the fixing member 41 can connect the second connecting element 541, so that the extender 10 is detachably connected between the two straps 53, thereby changing the length of the bra 50, so that the user can easily put on the bra 50 or feel comfortable when the user wears the bra 50. Further, since the distance between the two fasteners 31 and the distance between the two fixing members 41 can be changed, the extender 10 can be applied to different bras with different fastener spacings, thereby improving the user experience of the extender 10. Further still, through the chamfers 21d, 21e, 21i and 21j, when the extender 10 is used, the user will not feel a foreign body sensation, and the user experience is further improved.

[0054] It can be understood that in other embodiments, the number of the fasteners 31, the number of the fixing members 41, the number of the first accommodation spaces 211, the number of the first openings 212, the number of the second accommodation spaces 221, and the number of the second openings 222 can be increased or decreased according to actual needs, so as to use different bras with different strap widths.

[0055] Please refer to Figure 7, in the second embodiment, the second part 22' may not be provided with a receiving unit, and the fixing member 41' may be fixed on the second part 22'. The inner diameter of the annular portion 411' along the second direction D2 is greater than the width of the first buckle 311' along the second direction D2. In this embodiment, the inner diameter of the annular portion 411' along the second direction D2 is greater than twice the width of the first buckle 311' along the second direction D2.

[0056] In the second embodiment, since the distance between the two fasteners 31' can be changed, and the inner diameter of the annular portion 411' along the second direction D2 is greater than twice the width of the first buckle 311' along the second direction D2, the extension band 10' can be used in different bras with different fastener spacings, and the user experience of the extension band 10' can be improved.

[0057] The above are one or more embodiments provided in combination with specific contents, and it is not determined that the specific implementation of the present invention is only limited to these descriptions. Any approximation, similarity to the method, structure, etc. of the present invention, or several technical deductions or replacements made under the premise of the inventive concept of the present invention should be regarded as the protection scope of the present invention.

Claims

1. A bra extender, characterized in that, Comprising a base body, including a first part, a second part and a third part, the first part, the second part and the third part are arranged along a first direction, the third part is connected between the first part and the second part, the first part includes at least one first accommodation space and at least one first opening communicating with the first accommodation space, the second part includes at least one accommodation unit, the accommodation unit includes at least one second accommodation space and at least one second opening communicating with the second accommodation space; wherein, the first accommodation spaces are arranged along a second direction perpendicular to the first direction; the accommodation units are arranged along the first direction; the second accommodation spaces are arranged along a third direction parallel to the second direction; a first snap member, arranged on the first part and used for connecting a strap of the underwear, the first snap member includes a first snap and a first connecting portion connecting the first snap, the first connecting portion is located in the first accommodation space, and the first snap extends out from the first opening; a second snap member, arranged on the first part and used for connecting a strap of the underwear; the first snap member and the second snap member correspond to the first accommodation space respectively and are arranged in the second direction; at least one fixing component, arranged on the second part, each fixing component includes a first fixing member and a second fixing member, both the first fixing member and the second fixing member are used for connecting another strap of the underwear, the first fixing member includes a first annular portion and a first base portion connecting the first annular portion, the first annular portion protrudes out of the second opening; the fixing components are arranged along the first direction, and the first fixing member and the second fixing member are arranged along the third direction; wherein, the first snap member is used for moving along the first opening so as to change the distance between the first snap member and the second snap member, and the first annular portion is used for moving along the second opening so as to change the distance between the first fixing member and the second fixing member; wherein, the first snap member and the second snap member are used for moving along the second direction in the first opening; the first annular portion is used for moving along the third direction in the second opening.

2. The bra extender according to claim 1, wherein the number of at least one of the first accommodation spaces is two, the number of at least one of the first openings is two, each first opening communicates with a corresponding one of the first accommodation spaces, the second snap member includes a second snap and a second connecting portion connecting the second snap, the first connecting portion and the second connecting portion are respectively located in the two first accommodation spaces, the second snap extends out from the corresponding second opening, and the second snap is used for moving along the second direction perpendicular to the first direction in the corresponding second opening so as to change the distance between the first snap and the second snap.

3. The bra extender according to claim 1, wherein The number of at least one of the first accommodation spaces is three, the number of at least one of the first openings is three, each first opening communicates with a corresponding one of the first accommodation spaces, the bra extender further includes a third buckle provided on the first portion, the second buckle includes a second annular portion and a second connecting portion connecting the second annular portion, the third buckle includes a third annular portion and a third connecting portion connecting the third annular portion, the first connecting portion, the second connecting portion and the third connecting portion are respectively located in the three first accommodation spaces, the second buckle projects out from the corresponding second opening, the second buckle is configured to move in a second direction perpendicular to the first direction in the corresponding second opening, so as to change the distance between the first buckle and the second buckle, the third buckle projects out from the corresponding third opening, the third buckle is configured to move in the second direction in the corresponding third opening, so as to change the distance between the second buckle and the third buckle; the first buckle, the second buckle and the third buckle are arranged along the second direction.

4. The bra extender according to claim 1, wherein the number of at least one of the second accommodation spaces is two, the number of at least one of the second openings is two, each second opening communicates with a corresponding one of the second accommodation spaces, the second fixing member includes a second annular portion and a second base portion connecting the second annular portion, the first base portion and the second base portion are respectively located in the two second accommodation spaces, the second annular portion projects out from the corresponding second opening, and the second annular portion is configured to move along the corresponding second opening to adjust the distance between the first fixing member and the second fixing member along the second direction.

5. The bra extender according to claim 1, wherein the number of at least one of the second accommodation spaces is three, the number of at least one of the second openings is three, each second opening communicates with a corresponding one of the second accommodation spaces, the bra extender further includes a third fixing member, the second fixing member includes a second annular portion and a second base portion connecting the second annular portion, the third fixing member includes a third annular portion and a third base portion connecting the third annular portion, the first base portion, the second base portion and the third base portion are respectively located in the three second accommodation spaces, the second annular portion projects out from the corresponding second opening, and the second annular portion is configured to move along the corresponding second opening to adjust the distance between the first fixing member and the second fixing member along the second direction; the third annular portion projects out from the corresponding second opening, and the third annular portion is configured to move along the corresponding second opening to adjust the distance between the second fixing member and the third fixing member along the second direction.

6. The bra extender according to claim 2, wherein When the first buckle member moves along the first opening, the first connecting portion moves along the first accommodating space. When the first fixing member moves along the second opening, the second connecting portion moves along the second accommodating space. The first buckle member and the second buckle member are arranged in a second direction perpendicular to the first direction. The first fixing member and the second fixing member are arranged in a third direction parallel to the second direction.

7. The bra extender according to claim 1, wherein the first buckle member and the second buckle member are arranged at one end of the first portion away from the third portion. The first buckle member and the second buckle member both extend toward the first side of the base body. The fixing assembly is arranged on the second side of the base body away from the first side. The number of at least one of the first fixing members is three groups, and the number of at least one of the accommodating units is three. The three groups of the first fixing members are arranged along the first direction and correspond to the three accommodating units respectively.

8. The bra extender according to claim 1, wherein the third portion is made of an elastic material. The width of the third portion in a direction perpendicular to the first direction is smaller than the width of the first portion in a direction perpendicular to the first direction, and the width of the third portion in a direction perpendicular to the first direction is smaller than the width of the second portion in a direction perpendicular to the first direction. The first portion includes a first edge portion away from the third portion, a second edge portion connecting one end of the first edge portion, and a third edge portion connecting the other end of the first edge portion. A first chamfer is formed between the first edge portion and the second edge portion, and a second chamfer is formed between the first edge portion and the third edge portion. The second portion includes a fourth edge portion away from the third portion, a fifth edge portion connecting one end of the fourth edge portion, and a sixth edge portion connecting the other end of the fourth edge portion. A third chamfer is formed between the fourth edge portion and the fifth edge portion, and a fourth chamfer is formed between the fourth edge portion and the sixth edge portion.

9. A bra extender, wherein it includes a base body, including a first portion, a second portion and a third portion. The first portion, the second portion and the third portion are arranged along a first direction. The third portion is connected between the first portion and the second portion. The first portion includes at least one first accommodating space and at least one first opening communicating with the first accommodating space. The second portion includes at least one accommodating unit. The accommodating unit includes at least one second accommodating space and at least one second opening communicating with the second accommodating space. a first buckle member, arranged on the first portion and used for connecting a back strap of an undergarment. The first buckle member includes a first buckle and a first connecting portion connecting the first buckle. The first connecting portion is located in the first accommodating space, and the first buckle extends out from the first opening. The second buckle is disposed on the first portion and is used to connect one of the straps of the underwear. The second buckle and the first buckle are respectively disposed along a second direction perpendicular to the first direction corresponding to the first accommodation space; The second accommodation spaces are arranged along a third direction parallel to the second direction; At least one fixing component is disposed on the second portion and is used to connect the other strap of the underwear; the fixing component is disposed along the first direction, and the first fixing member and the second fixing member are disposed along the third direction; Wherein, the first buckle is used to move along the first opening so as to change the distance between the first buckle and the second buckle along the second direction; Wherein, the first buckle and the second buckle are used to move along the second direction in the first opening; Wherein, at least one fixing component includes at least two fixing members, each fixing member includes an annular portion and a base portion connected between the annular portion and the second portion. The inner diameter of the annular portion along the second direction is greater than the width of the first buckle along the second direction; the inner diameter of the annular portion along the second direction is greater than twice the width of the first buckle along the second direction; the first annular portion is used to move along the third direction in the second opening.

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