Glasses cup stable underwear

Through the combination of the cup portion and back circumference of the glass cup design, the problem of underwear shaking and insufficient breathability during exercise is solved, and underwear with high stability and comfort is achieved, suitable for a variety of breast sizes.

CN223169189UActive Publication Date: 2025-08-01GUANGDONG QIYUE FUTURE TECH CO LTD
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Patent Information

Application Number
CN202422486032.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-01
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing underwear is difficult to meet stability, comfort and aesthetics at the same time during large-scale activities such as exercise, especially chest shaking and lack of breathability.

Method used

The glasses cup design is adopted, including the cup part, the back circumference, the shoulder strap part and the connection part. The cup part is composed of the outer layer of the cup, the inner layer of the cup and the chest cup. The chest cup has an upper edge and a U-shaped bottom edge to form a glass-like structure. Combined with the differentiated design of the upper and lower mesh area and shoulder strap, it improves supportability, breathability and stability.

Benefits of technology

Improves the support and stability of underwear, reduces shaking and displacement, enhances breathability and comfort, and is suitable for a variety of breast sizes, especially for women during developmental stages, exercise needs and pregnancy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of underwear, in particular to glasses cup stable type underwear which comprises cup parts, a back surrounding part, shoulder strap parts and a connecting part, the back surrounding part is connected with the two sides of the cup parts, and the connecting part is connected with the side, away from the cup parts, of the back surrounding part; the cup part comprises a cup outer layer, a cup inner layer and two bra cups which are symmetrically arranged, and the cup inner layer and the bra cups are arranged on the inner surface of the cup outer layer; each bra cup is provided with an upper edge and a U-shaped bottom edge, the upper edge is arranged at the top of the U-shaped bottom edge, and the two ends of the upper edge are connected with the two ends of the U-shaped bottom edge; the upper edges and the U-shaped bottom edges of the bra cups are fixedly connected with the cup inner layers; the top of the cup outer layer and the top of the cup inner layer are both connected with the front end of the shoulder strap part, and the rear end of the shoulder strap part is connected with the back surrounding part. According to the bra, the peripheral edges of the bra cups are fixedly connected with the cup inner layers, the supporting performance and stability of the bra can be improved, the conditions of displacement, shaking, vibration and the like of the bra in the wearing process are reduced, buffer space is provided for the bra cups, and the bra can be suitable for various breast types and sizes.
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Description

Technical Field

[0001] The present application relates to the field of underwear, and in particular to a type of underwear that stabilizes eyeglass cups. Background Art

[0002] As clothing worn next to the skin, underwear not only provides basic body coverage, but also features comfort, stability, and aesthetics, which are key factors sought by consumers. Bras, in particular, need to maintain an elegant appearance while providing firm breast support to prevent sagging caused by exercise and daily activities, while also ensuring comfort.

[0003] Currently, underwear products on the market use different materials and designs to improve wearing stability and comfort. For example, special cutting and sewing are used to make bras fit the body curves to provide stability and support; or highly elastic materials are used to enhance freedom of movement and improve wearing comfort.

[0004] However, while cutting and sewing solutions designed to fit the body's curves can achieve stable support through the connection of multiple panels, these multiple panels reduce the bra's breathability and flexibility. High-elastic fabrics, while improving flexibility, offer less support for the chest and are prone to deformation with long-term wear. Consequently, commercially available bras struggle to fully meet the user's comprehensive requirements for stability, comfort, and aesthetics. This is especially true during strenuous activities like exercise, where the chest can sway, causing the bra to shift relative to the chest, reducing its protective and supportive coverage. The drawbacks of sewing multiple panels, such as airtightness and inflexibility, and the low support provided by high-elastic fabrics, are even more pronounced. Utility Model Content

[0005] In order to solve the comprehensive problems of underwear support, breathability and comfort, the present application provides a glasses cup stable underwear.

[0006] The present application provides a spectacles cup stabilizing bra that adopts the following technical solutions:

[0007] A stable-type underwear for glasses cups, comprising a cup part, a back band part, a shoulder strap part and a connecting part. The back band part is connected to both sides of the cup part, and the connecting part is connected to the side of the back band part away from the cup part. The cup part includes an outer cup layer, an inner cup layer and two breast cups symmetrically arranged. The inner cup layer and the breast cups are both arranged on the inner surface of the outer cup layer. The breast cup has an upper edge and a U-shaped bottom edge. The upper edge is arranged at the top of the U-shaped bottom edge, and both ends of the upper edge are connected to both ends of the U-shaped bottom edge. The upper edge and the U-shaped bottom edge of the breast cup are both fixedly connected to the inner cup layer. The top of the outer cup layer and the top of the inner cup layer are both connected to the front end of the shoulder strap part, and the rear end of the shoulder strap part is connected to the back band part.

[0008] By adopting the above technical solution, the upper edge and the U-shaped bottom edge of the breast cup enclose to form a glasses-like structure, which has good wrapping and protective effect on the chest. Among them, the U-shaped bottom edge of the breast cup can play a lifting role from the outside, bottom and inner heart of the chest, improving the wearing fit, and then enhancing the support and stability of the underwear. Moreover, the fixed connection of the four peripheral edges of the breast cup with the inner cup layer enables the inner cup layer to provide a buffer space for the breast cup, reducing the displacement, shaking, vibration, etc. of the underwear during wearing, and can be suitable for various breast shapes and sizes, and can also be suitable as the chest grows, suitable for women in the developmental stage, women with sports needs or women during pregnancy and lactation.

[0009] Optionally, the inner cup layer is composed of an upper fabric area and a lower mesh area. The top of the lower mesh area and the upper edge of the breast cup are both connected to the bottom of the upper fabric area, and the U-shaped bottom edge of the breast cup is fixedly connected to the lower mesh area. The top of the upper fabric area and the top of the outer cup layer are both connected to the front end of the shoulder strap part.

[0010] By adopting the above technical solution, the lower mesh area can improve the air permeability of the peripheral position of the breast cup, reduce the stuffy feeling during wearing, and the mesh structure has stretching resilience, which can provide a stretching and resilient buffer space for the breast cup. When the U-shaped bottom edge plays a stable supporting role on the outside, bottom and inner heart of the chest, the lower mesh area provides resilience for the movement range of the human torso, enabling the breast cup to stably wrap the chest, and the breast cup is not prone to displacement, shaking, etc. relative to the chest during wearing, and the wearing is stable. While the upper fabric area fits stably with the upper edge part of the human chest, improving the fit degree of the inner cup layer and can play a certain role in preventing exposure.

[0011] Optionally, the outer surface of the breast cup is not fixedly connected to the outer cup layer.

[0012] By adopting the above technical solution, while ensuring the stability of the breast cup, it avoids excessive fastening between the breast cup and the outer cup layer, improves the wearing comfort, and there will be no obvious breast cup contour on the outer surface of the outer cup layer, reducing the embarrassment of showing an obvious breast cup contour during wearing.

[0013] Optionally, the back part includes an outer fabric layer and an inner mesh layer arranged in sequence from the outer surface to the inner surface. The outer fabric layer is connected to the outer cup layer, and the inner mesh layer is connected to the lower mesh area.

[0014] By adopting the above technical solution, the air permeability of the back part can be improved, and the overall stability of the back part and the cup part can be enhanced.

[0015] Optionally, the horizontal plane where the side of the upper edge close to the back part is located is higher than the horizontal plane where the side of the upper edge far from the back part is located.

[0016] By adopting the above technical solution, the side of the upper edge close to the back part can adduct and wrap the auxiliary breasts on the chest, reducing the embarrassing situation of showing auxiliary breasts when wearing underwear.

[0017] Optionally, the height difference between the horizontal plane where the side of the upper edge close to the back part is located and the horizontal plane where the side of the upper edge far from the back part is located is 1.5 - 4 cm, which can improve the wrapping property and wearing stability of the breast cup on the human chest.

[0018] Optionally, the height difference between the highest point in the middle of the upper edge and the horizontal plane where the side of the upper edge close to the back part is located is 1 - 3 cm.

[0019] By adopting the above technical solution, the upper edge can wrap and protect the part above the chest, and it is not easy for the breast cup to shift due to a large movement amplitude when wearing underwear, improving the wrapping property and wearing stability of the breast cup on the human chest.

[0020] Optionally, the shoulder strap part consists of two groups of symmetrically arranged shoulder strap groups. Each group of shoulder strap groups includes a first shoulder strap and a second shoulder strap. The front ends of the first shoulder strap and the second shoulder strap are both connected to the top of the outer cup layer and the top of the inner cup layer. The rear end of the first shoulder strap is connected to the bottom of the back part on the same side, and the rear end of the second shoulder strap is connected to the top of the back part on the other side.

[0021] By adopting the above technical solution, the differential design of the double shoulder straps can effectively disperse the force on the shoulders by the shoulder straps, reduce the phenomenon of shoulder strap slipping, and improve the wearing comfort and stability of the underwear.

[0022] Optionally, the underwear further includes a lower elastic band. The bottom of the back part, the bottom of the outer cup layer, and the bottom of the inner cup layer are all connected to the top of the lower elastic band, and the connection parts are arranged at both ends of the lower elastic band.

[0023] By adopting the above technical solution, the lower elastic band can improve the wearing fit and stability of the underwear, and it is not easy to shift during wearing. Moreover, the stretching and resilience of the lower elastic band can facilitate adjusting the buckling position of the connection part, thereby adjusting the wearing tightness of the underwear.

[0024] Optionally, the outer layer of the cup is provided with a middle vertical line and two side arcs. The middle vertical line coincides with the central axis of the outer layer of the cup. The two side arcs are symmetrically arranged with respect to the central axis of the outer layer of the cup. The bottom of the side arc is connected to the bottom of the outer layer of the cup, the top of the side arc is connected to the bending part of the outer layer of the cup, and the arc opening direction of the side arc is set towards the back surrounding part.

[0025] By adopting the above technical solution, the middle vertical line presents a vertical line at the heart of the cup's outer layer, and the side arcs present arc-shaped lines at the positions corresponding to the breast cups of the cup's outer layer, improving the streamline design of the underwear, being beautiful and generous, and being able to visually elongate the arc length from the chest to the bending part, presenting a visual effect of a relatively plump chest.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The U-shaped bottom edge of the breast cup of the present application can play a supporting role from the outside, bottom, and inner heart of the chest, improving the support and stability of the underwear; and the four peripheral edges of the breast cup are fixedly connected to the inner layer of the cup, enabling the inner layer of the cup to provide a buffer space for the breast cup, reducing the displacement, shaking, vibration, etc. of the underwear during wearing, and being applicable to various breast shapes and sizes, and being applicable as the chest grows, and being applicable to women in the developmental stage, women with sports needs, or women during pregnancy and lactation.

[0028] 2. Through the combined setting of the upper fabric area and the lower mesh area of the inner layer of the cup of the present application, on the basis of ensuring the support effect of the underwear, the breathability and lightness of the underwear are improved, and the wearing comfort is enhanced.

[0029] 3. Through the setting of the first shoulder strap and the second shoulder strap of the present application, the force on the shoulder by the shoulder strap can be effectively dispersed. Among them, the second shoulder strap is connected to the bottom of the back surrounding part on the other side, which can improve the wearing stability of the underwear. During large-amplitude activities such as sports, the shoulder strap is not easy to slip off, and the wearing stability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a front structural schematic diagram of a stable-type underwear with spectacle cups according to the present application;

[0031] Figure 2 is a back structural schematic diagram of a stable-type underwear with spectacle cups according to the present application;

[0032] Figure 3 is an exploded schematic diagram of the cup part and the back surrounding part of the present application;

[0033] Figure 4 is an inner surface structural schematic diagram of a stable-type underwear with spectacle cups according to the present application in a flattened state;

[0034] Figure 5It is a schematic diagram of the outer surface structure of a stable underwear with spectacle cups in a flattened state according to the present application;

[0035] Explanation of reference numerals: 1. Cup part; 11. Outer cup layer; 111. Middle vertical line; 112. Side arc; 12. Inner cup layer; 121. Upper fabric area; 122. Lower mesh area; 1221. Connection hole; 13. Chest cup; 131. Upper edge; 132. U-shaped bottom edge; 2. Back band part; 21. Outer fabric layer; 22. Inner mesh layer; 3. Shoulder strap part; 31. First shoulder strap; 32. Second shoulder strap; 4. Connection part; 5. Lower rib. Detailed implementation manners

[0036] The following further elaborates on the present application in conjunction with the attached Figures 1-5 drawings.

[0037] An embodiment of the present application discloses a stable underwear with spectacle cups. Referring to Figures 1-2 , this stable underwear with spectacle cups includes a cup part 1, a back band part 2, a shoulder strap part 3, a connection part 4 and a lower rib 5. The back band part 2 is arranged on the two outer sides of the cup part 1. The connection part 4 is arranged on the two outer sides of the back band part 2. The front end of the shoulder strap part 3 is connected to the cup part 1, and the rear end of the shoulder strap part 3 is connected to the back band part 2. The bottom of the cup part 1 and the bottom of the back band part 2 are both connected to the top of the lower rib 5, and the connection part 4 is arranged at both ends of the lower rib 5.

[0038] Among them, referring to Figure 2 and Figure 3, the cup part 1 is the core part of the underwear, including an outer cup layer 11, an inner cup layer 12, and two breast cups 13 arranged symmetrically. The inner cup layer 12 and the breast cups 13 are both arranged on the inner surface of the outer cup layer 11. Further, the inner cup layer 12 is composed of an upper fabric area 121 and a lower mesh area 122. The fabric material of the upper fabric area 121 is the same as that of the outer cup layer 11, and the upper fabric area 121 is arranged on the top of the lower mesh area 122. The bottom of the lower mesh area 122 and the bottom of the outer cup layer 11 are both arranged on the top of the lower rib 5. The breast cup 13 has an upper edge 131 and a U-shaped bottom edge 132. The upper edge 131 is arranged on the top of the U-shaped bottom edge 132 and is connected to both ends of the U-shaped bottom edge 132. The breast cup 13 is fixed to the inner cup layer 12 through the upper edge 131 and the U-shaped bottom edge 132. Specifically, the lower mesh area 122 is provided with a connection hole 1221, and the U-shaped bottom edge 132 of the breast cup 13 is fixedly connected to the hole wall of the connection hole 1221, and there is still a certain width of gap between the U-shaped bottom edge 132 of the breast cup 13 and the lower rib 5. The upper edge 131 of the breast cup 13 is connected to the bottom of the upper fabric area 121, that is, the top of the lower mesh area 122 and the upper edge 131 of the breast cup 13 are both connected to the bottom of the upper fabric area 121. Preferably, the outer surface of the breast cup 13 is not fixedly connected to the outer cup layer 11. The outer cup layer 11 is provided with a middle vertical line 111 and two side arcs 112. The middle vertical line 111 coincides with the central axis of the outer cup layer 11, and the two side arcs 112 are symmetrically arranged about the central axis of the outer cup layer 11. Specifically, the bottom of the side arc 112 is connected to the bottom of the outer cup layer 11, the top of the side arc 112 is connected to the underarm bend of the outer cup layer 11, and the arc opening direction of the side arc 112 faces the back part 2.

[0039] In this embodiment, the horizontal plane where the upper edge 131 of the breast cup 13 is close to the back part 2 is higher than the horizontal plane where the upper edge 131 is far from the back part 2. Preferably, the height difference H1 between the horizontal plane where the upper edge 131 of the breast cup 13 is close to the back part 2 and the horizontal plane where the upper edge 131 is far from the back part 2 is 1.5 - 4 cm, and specifically, it can be 1.5 cm, 2.0 cm, 2.5 cm, 3.0 cm, 3.5 cm or 4.0 cm. Similarly, the horizontal plane where the highest point in the middle of the upper edge 131 of the breast cup 13 is located is higher than the horizontal plane where the upper edge 131 is close to the back part 2. Preferably, the height difference H2 between the horizontal plane where the highest point in the middle of the upper edge 131 of the breast cup 13 is located and the horizontal plane where the upper edge 131 is close to the back part 2 is 1 - 3 cm, and specifically, it can be 1.0 cm, 1.5 cm, 2.0 cm, 2.5 cm or 3.0 cm. The above design makes the breast cup 13 present a structure similar to a pair of glasses, realizing stable support and wrapping of the outer side, bottom and inner side of the chest, and the breast cup 13 is not easy to shift relative to the chest when wearing the underwear.

[0040] Similarly, the back circumference part 2 includes an outer fabric layer 21 and an inner mesh layer 22 arranged in sequence from the outer surface to the inner surface. The outer fabric layer 21 is connected to both sides of the outer cup layer 11, and the inner mesh layer 22 is connected to both sides of the lower mesh area 122. Preferably, the outer fabric layer 21 is integrally connected or sewn to both sides of the outer cup layer 11, and the inner mesh layer 22 is integrally connected or sewn to both sides of the lower mesh area 122, which are all within the protection scope of this application; and the bottom of the outer fabric layer 21 and the bottom of the inner mesh layer 22 are both arranged on the top of the lower rib 5.

[0041] Combined Figure 4 and Figure 5 , the shoulder strap part 3 is composed of two sets of symmetrically arranged shoulder strap groups. Each set of shoulder strap groups includes a first shoulder strap 31 and a second shoulder strap 32. The front ends of the first shoulder strap 31 and the second shoulder strap 32 are both connected to the top of the outer cup layer 11 and the top of the upper fabric area 121 of the inner cup layer 12, while the rear end of the first shoulder strap 31 is connected to the bottom of the back circumference part 2 on the same side, and the rear end of the second shoulder strap 32 is connected to the top of the back circumference part 2 on the other side, so that the second shoulder straps 32 of the two shoulder strap groups are arranged in a crossed manner. On the one hand, it can reduce the force on the shoulder by one shoulder strap, and on the other hand, it can improve the wearing stability of the underwear in the back area, making it not easy to shift during wearing. Preferably, the rear end of the second shoulder strap 32 can be arranged on the outer surface of the outer fabric layer 21 of the back circumference part 2, or on the inner surface of the inner mesh layer 22 of the back circumference part 2, which are all within the protection scope of this application. Preferably, it is arranged on the outer surface of the outer fabric layer 21 of the back circumference part 2, then it can reduce the strangulation feeling and friction of the second shoulder strap 32 on the human back, and the wearing is comfortable.

[0042] The implementation principle of a pair of glasses cup stable underwear in an embodiment of this application is as follows: Cut out the outer fabric layer 21, the outer cup layer 11 and the upper fabric area 121 of the inner cup layer 12 according to the size, and cut out the inner mesh layer 22 and the lower mesh area 122 of the inner cup layer 12, and open a connection hole 1221 at the top of the lower mesh area 122. After molding and preparing the breast cup 13, cut out the shape of the breast cup 13, so that the breast cup 13 has an upper edge 131 and a U-shaped bottom edge 132.

[0043] Furthermore, sew and fix the U-shaped bottom edge 132 of the breast cup 13 to the connection hole 1221 of the lower mesh area 122, and sew and fix both the upper edge 131 of the breast cup 13 and the top of the lower mesh area 122 to the bottom of the upper fabric area 121; then sew and finish the upper edge of the upper fabric area 121 and the upper edge of the outer cup layer 11, and fix the lower edge of the lower mesh area 122 and the lower edge of the outer cup layer 11 to the top of the lower rib 5, then the cup part 1 is made.

[0044] Meanwhile, connect both sides of the outer fabric layer 21 to both sides of the outer cup layer 11, connect both sides of the inner mesh layer 22 to both sides of the lower mesh area 122 of the inner cup layer 12, sew and finish the edges of the upper edges of the outer fabric layer 21 and the inner mesh layer 22, and fix the lower edges of the outer fabric layer 21 and the inner mesh layer 22 to the top of the lower surrounding elastic band 5, then the back surrounding part 2 is manufactured.

[0045] Finally, arrange the connecting part 4 at both ends of the lower surrounding elastic band 5, connect the front ends of the first shoulder strap 31 and the second shoulder strap 32 to the highest position of the cup part 1, connect the rear end of the first shoulder strap 31 to the upper edge of the back surrounding part 2 on the same side, and connect the rear end of the second shoulder strap 32 to the lower edge of the back surrounding part 2 on the other side, then the spectacle cup stable type underwear is manufactured.

[0046] When wearing, wear the underwear normally. After buckling and connecting the connecting part 4, adjust the position of the chest in the breast cup 13 so that the breast cup 13 stably wraps the chest. Meanwhile, adjust the positions of the first shoulder strap 31 and the second shoulder strap 32 so that the second shoulder straps 32 on both sides are arranged in a cross shape on the human back, improving the wearing stability of the underwear.

[0047] The above are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A stable underwear for glasses cups, comprising a cup part (1), a back part (2), a shoulder strap part (3) and a connecting part (4), wherein the back part (2) is connected to both sides of the cup part (1), and the connecting part (4) is connected to the side of the back part (2) away from the cup part (1); characterized in that: The cup part (1) includes an outer cup layer (11), an inner cup layer (12), and two breast cups (13) symmetrically arranged. The inner cup layer (12) and the breast cups (13) are both arranged on the inner surface of the outer cup layer (11); the breast cups (13) have an upper edge (131) and a U-shaped bottom edge (132). The upper edge (131) is arranged at the top of the U-shaped bottom edge (132), and both ends of the upper edge (131) are connected to both ends of the U-shaped bottom edge (132); both the upper edge (131) and the U-shaped bottom edge (132) of the breast cup (13) are fixedly connected to the inner cup layer (12); the top of the outer cup layer (11) and the top of the inner cup layer (12) are both connected to the front end of the shoulder strap part (3), and the rear end of the shoulder strap part (3) is connected to the back circumference part (2).

2. The stable-type underwear of a spectacle cup according to claim 1, wherein: The inner cup layer (12) is composed of an upper fabric area (121) and a lower mesh area (122). The top of the lower mesh area (122) and the upper edge (131) of the breast cup (13) are both connected to the bottom of the upper fabric area (121), and the U-shaped bottom edge (132) of the breast cup (13) is fixedly connected to the lower mesh area (122); the top of the upper fabric area (121) and the top of the outer cup layer (11) are both connected to the front end of the shoulder strap part (3).

3. The stable-type underwear for spectacle cups according to claim 1 or 2, characterized in that: The outer surface of the breast cup (13) is not fixedly connected to the outer cup layer (11).

4. A stable underwear for spectacle cups according to claim 2, characterized in that: The back circumference part (2) includes an outer fabric layer (21) and an inner mesh layer (22) arranged in sequence from the outer surface to the inner surface. The outer fabric layer (21) is connected to the outer cup layer (11), and the inner mesh layer (22) is connected to the lower mesh area (122).

5. The stable-type underwear for spectacle cups according to claim 1, characterized in that: The horizontal plane where the side of the upper edge (131) close to the back circumference part (2) is located is higher than the horizontal plane where the side of the upper edge (131) far from the back circumference part (2) is located.

6. The stable-type underwear for spectacle cups according to claim 5, characterized in that: The height difference between the horizontal plane where the side of the upper edge (131) close to the back circumference part (2) is located and the horizontal plane where the side of the upper edge (131) far from the back circumference part (2) is located is 1.5 - 4 cm.

7. A stable-type underwear for glasses cups according to claim 5 or 6, characterized in that: The height difference between the horizontal plane where the highest point in the middle of the upper edge (131) is located and the horizontal plane where the side of the upper edge (131) close to the back circumference part (2) is located is 1 - 3 cm.

8. The stable-type underwear for spectacle cups according to claim 1, wherein: The shoulder strap part (3) is composed of two groups of symmetrically arranged shoulder strap groups. Each group of shoulder strap groups includes a first shoulder strap (31) and a second shoulder strap (32). The front ends of the first shoulder strap (31) and the second shoulder strap (32) are both connected to the top of the outer cup layer (11) and the top of the inner cup layer (12). The rear end of the first shoulder strap (31) is connected to the bottom of the back circumference part (2) on the same side, and the rear end of the second shoulder strap (32) is connected to the top of the back circumference part (2) on the other side.

9. The stable-type underwear for spectacle cups according to claim 1, wherein: This underwear further includes a lower girth elastic band (5). The bottom of the back circumference part (2), the bottom of the outer cup layer (11), and the bottom of the inner cup layer (12) are all connected to the top of the lower girth elastic band (5), and the connecting part (4) is arranged at both ends of the lower girth elastic band (5).

10. A stable underwear for glasses cups according to claim 1, characterized in that: The outer layer (11) of the cup is provided with a middle vertical line (111) and two side arcs (112). The middle vertical line (111) coincides with the central axis of the outer layer (11) of the cup. The two side arcs (112) are symmetrically arranged about the central axis of the outer layer (11) of the cup. The bottom of the side arc (112) is connected to the bottom of the outer layer (11) of the cup, and the top of the side arc (112) is connected to the bending part of the outer layer (11) of the cup. The arc opening direction of the side arc (112) faces the back enclosure part (2).