An openable and closable security pant
By incorporating an absorbent body, waistband components, and waistband design into women's menstrual pants, and utilizing welding strips to improve the flexibility of the welded section, the inconvenience and comfort issues of existing pant structures in specific environments are resolved, resulting in a better fit.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YIXIANG PERSONAL HOME CARE HEALTH RESEARCH (HENAN) CO LTD
- Filing Date
- 2025-02-26
- Publication Date
- 2026-07-24
AI Technical Summary
Existing women's menstrual pants are cumbersome to change in winter or when used outdoors, and they do not fit the body well in certain environments. The hardness of the weld joint caused by ultrasonic welding affects the wearing comfort.
The structure includes an absorbent body, a waist component, and a waist patch. The waist component consists of a first base layer, an elastic component, and a second base layer. The waist patch is formed by ultrasonic welding to create a welded section, and two rows of spaced welding strips are provided in the welded section to improve flexibility and fit.
The comfort of the sanitary pads is improved when wearing them and lying on your side. The welded part can bend naturally to fit the waistband, reducing discomfort and enhancing the wearing experience.
Smart Images

Figure CN224540458U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hygiene products technology, specifically to a type of folding sanitary trousers. Background Technology
[0002] Existing menstrual panties are primarily pant-style structures, mainly composed of elastic components and absorbent materials. The non-woven fabric is ultrasonically welded together on both sides of the waistband. They require removing lower garments and are worn like regular underwear, making them cumbersome and limiting their use in winter or outdoors. Pant-style menstrual panties have numerous elastic bands at the waist and abdomen, conforming to the body's shape. However, due to varying body shapes, the fit of different sizes of menstrual panties cannot be guaranteed.
[0003] Addressing the shortcomings of existing menstrual panty designs, such as limited usage scenarios, cumbersome use in certain environments, and inability to fit the body well, the daily-use product is primarily a waist-attach type of sanitary panty. It features a pair of Velcro straps welded to both sides of the waist, and the sides can be opened separately. When using it, there is no need to remove lower body clothing; simply open the waistband of the product and attach the waist patch to the appropriate position. It can be conveniently changed and used during the day.
[0004] Because ultrasonic welding involves high-frequency vibration of mechanical components that melts and bonds fibers, and because the non-woven fabric material of composite hook and loop fasteners is generally quite stiff, such as... Figure 1 As shown, after ultrasonic welding, a hard weld line will appear at the weld joint, and the weld seam will stand up, affecting the comfort of wearing.
[0005] The utility model patent with application number 2022202588357 discloses a new type of sanitary pants. The application document states that "currently, sanitary pants with a full-coverage structure are traditionally made by cutting them symmetrically and welding them on both sides of the waist due to the influence of the manufacturing process. Such sanitary pants have welding lines on both sides, and the welding positions on both sides are relatively hard and have a raised feeling. When sleeping on your side, they will be pressed down, reducing comfort."
[0006] To address the aforementioned issues, this patented design involves separate construction of the waist section and the outer wrapping layer. The two sections of the waist section are welded to the front and back of the outer wrapping layer, with the welding points changing from the sides to the front and back, resulting in seamless sides. This solution, placing the welding points on the front and back, can reduce discomfort to some extent, but some discomfort may still exist when lying flat. Utility Model Content
[0007] This invention provides a clasp-and-open type sanitary pant to solve the technical problems in the prior art.
[0008] To solve the above problems, the opening and closing sanitary pants provided by this utility model adopt the following technical solution: including an absorbent body, wherein the length extension direction of the absorbent body is defined as the front-to-back direction;
[0009] Waist components are layered on the non-skin side of the absorbent body;
[0010] Two waist pads are placed on the left and right sides of the waist structure, respectively.
[0011] The waist support component includes a first base layer, an elastic component, and a second base layer arranged sequentially from bottom to top. The waist patch and the waist support component are ultrasonically welded to form a weld seal.
[0012] The side of the welded part closest to the skin is defined as the lower part of the welded part. The lower part of the welded part is provided with two rows of spaced welding strips to improve the connection strength between the waist patch and the waist body component. The two rows of spaced welding strips allow the welded part to bend along the interval between the two rows of welding strips.
[0013] As a further improvement, the elastic component is an elastic rubber band arranged at equal intervals.
[0014] As a further improvement, the two rows of welding strips are arranged in an alternating pattern.
[0015] The beneficial effects of the above-mentioned technical solution of this utility model are as follows:
[0016] This invention, by setting a first base layer, an elastic component, a second base layer, and a waist patch, allows the welded part of the safety pants to naturally tilt and bend when worn. When the welded part is subjected to external force, it can better fit the waistband, thereby improving wearing comfort.
[0017] The principle is as follows: when the user wears it, they hold the lumbar support and attach it to the surface of the front lumbar component (for ease of understanding, the lumbar component is divided into a front lumbar component and a back lumbar component). At this time, the back lumbar component will be stretched. Due to the difference in the softness and deformation resistance of the welded part, after the back lumbar component is stretched, the elastic part contracts, while the lumbar support hardly deforms, thus causing the welded part to tilt and bend. The welded part has two rows of spaced welded strips. The welded strips are relatively stiff, while the space between the two rows of welded strips is relatively soft. When the welded part bends, it will bend along the gap between the two rows of welded strips.
[0018] At this time, whether you are wearing pants or lying on your side, the welded part can fit better against your waist. Attached Figure Description
[0019] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:
[0020] Figure 1 This is a three-dimensional schematic diagram of the opening and closing safety pants of this utility model;
[0021] Figure 2 This is a structural diagram of the waistband component and waist patch of the opening and closing type of safety pants of this utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the waistband component and waist patch of the opening and closing safety pants of this utility model after welding.
[0023] Figure 4 This is a reference diagram showing the usage state of the opening and closing safety pants of this utility model;
[0024] Figure 5 This is a schematic diagram of the welded part of the opening and closing safety pants of this utility model;
[0025] Figure 6 This is a three-dimensional disassembled view of the welded seal of the opening and closing safety pants of this utility model;
[0026] Figure 7 This is a schematic diagram of the structure of the two rows of welded strips of the opening and closing safety pants of this utility model;
[0027] Figure 8 This is a schematic diagram of the welded part of the opening and closing safety pants of this utility model when it is not subjected to external force;
[0028] Figure 9 for Figure 8 Enlarged view of part A;
[0029] Figure 10 This is a schematic diagram showing the contraction of the elastic band at section A when wearing the opening and closing safety pants of this utility model.
[0030] Figure 11 This is a schematic diagram showing the deformation of part A when the opening and closing safety pants of this utility model are worn;
[0031] Figure 12 This is a schematic diagram showing the deformation of the welded part of the opening and closing safety pants of this utility model;
[0032] Figure 13 This is a schematic diagram showing the stress on the welded part of the opening and closing safety pants when worn.
[0033] Figure 14 This is a schematic diagram of the structure of the welded part of the opening and closing safety pants of this utility model after it is attached.
[0034] Explanation of reference numerals in the attached figures:
[0035] 1. Waistband; 2. Second base layer; 3. Elastic component; 4. First base layer; 5. Welded part; 6. Waist body component; 7. Welding strip. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0037] In existing technology, the welded parts on the left and right sides of the sanitary pads are relatively hard. When worn, the welded parts stand up, affecting the wearing comfort.
[0038] To address the aforementioned issues, the waist support component of this invention includes a first base layer, an elastic component, and a second base layer. The waist patch is ultrasonically welded to the waist support component. In this case, the front side of the welded portion is the waist patch, and the rear side is the waist support component. Their deformation effects differ. When the user wears the garment, the waist support component is stretched, and the elastic component is stretched, generating a contractile force. At this time, the rear side of the welded portion deforms, while the front side hardly deforms, causing the welded portion to naturally bend and tilt. This makes it easier for the welded portion to conform to the waistband when subjected to external force, thereby reducing discomfort.
[0039] After introducing the basic principles of this utility model, various non-limiting embodiments of this utility model are described in detail below. Any quantity of elements in the accompanying drawings is for illustrative purposes only and not for limitation, and any naming is for distinction only and has no limiting meaning.
[0040] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.
[0041] Example 1 of the closable sanitary pants provided by this utility model:
[0042] like Figures 1-14 As shown, it includes an absorbent body and a waist member 6 stacked on the non-skin side of the absorbent body. The length extension direction of the absorbent body is defined as the front-to-back direction. Waist stickers 1 (i.e., Velcro) are also provided on the left and right sides of the waist member 6.
[0043] like Figure 2-6As shown, the waist component 6 includes a first base layer 4, an elastic component 3, and a second base layer 2 arranged sequentially from bottom to top. The first base layer 4 and the second base layer 2 are both non-woven fabric layers. The elastic component 3 is an elastic rubber band arranged at equal intervals. The waist patch 1 and the waist component 6 are ultrasonically welded to form a welded part 5. When the waist component 6 is stretched, the elastic component 3 contracts, thereby causing the welded part 5 to bend and tilt.
[0044] like Figure 7 As shown, the waist patch 1 and the waist body component 6 are connected by two rows of welding strips 7. Area B in the figure is the two rows of welding strips 7. The length of L1 is 2-5mm and the length of L2 is 5-15mm.
[0045] The two rows of spaced welding strips 7 can reduce stress concentration and prevent the welding strips 7 from breaking. On the other hand, the two rows of welding strips 7 are relatively flexible. When the welded part 5 bends, the welded part 5 will bend along the space between the two rows of welding strips 7, so that the welded part 5 can better fit the skin.
[0046] The two rows of welding strips are staggered, making the seams more flexible, adapting to the deformation of the human body during movement, and improving the fit.
[0047] Figure 9 When the welded part 5 is not subjected to external force, the length of the waist member 6 at the position of the welded part 5 is L. Figure 10 This is a schematic diagram of the welded part 5 when worn. At this time, the elastic component 3 is stretched, and L contracts and shortens to L3. After the elastic band contracts, because the waist patch 1 is 7 times more rigid than the first base layer 4 and the second base layer (refer to the data in the softness test table), the welded part 5 bends (as shown in the diagram). Figure 11 (As shown).
[0048] like Figure 13 As shown, when using the waist patch 1, the structure is subjected to a force F. Region C is the lower end of the weld, which can be regarded as a fulcrum in this system. At this time, it can be simplified to the second model in the figure. When performing force analysis on this model, it receives force F. The fulcrum A is stationary, and the upper end of the model tilts in the opposite direction of force F.
[0049] Softness test chart:
[0050]
[0051] While this specification has shown and described numerous embodiments of the present invention, it will be apparent to those skilled in the art that such embodiments are provided by way of example only. Many modifications, alterations, and alternatives will occur to those skilled in the art without departing from the spirit and intent of the present invention. It should be understood that various alternatives to the embodiments of the present invention described herein may be employed in the practice of the present invention. The appended claims are intended to define the scope of protection of the present invention and therefore cover the modular compositions, equivalents, or alternatives within the scope of these claims.
Claims
1. A type of fold-down sanitary pad, comprising: Absorbent body, the length extension direction of the absorbent body is defined as the front-to-back direction; Waist component (6), the waist component (6) is stacked on the non-skin side of the absorbent body; Two waist stickers (1) are respectively placed on the left and right sides of the waist component (6); Its features are: The waist component (6) includes a first base layer (4), an elastic component (3), and a second base layer (2) arranged sequentially from bottom to top. The waist patch (1) and the waist component (6) are ultrasonically welded to form a weld seal (5). The side of the weld seal (5) closest to the skin is defined as the lower part of the weld seal (5). The lower part of the weld seal (5) is provided with two rows of spaced welding strips (7) for improving the connection strength between the waist patch (1) and the waist component (6). The two rows of spaced welding strips (7) allow the weld seal (5) to bend along the interval between the two rows of welding strips (7).
2. The folding sanitary pads according to claim 1, characterized in that: The elastic component (3) is an elastic rubber band that is equidistantly arranged.
3. The folding sanitary pads according to claim 1, characterized in that: The two rows of welding strips (7) are staggered.