Sanitary napkin leakage-proof performance detection device
By designing a sanitary napkin leak-proof testing device, which uses magnets to fix the moisture test paper and lifting and air supply components, the problem of insufficient accuracy in existing testing methods is solved, and accurate testing of sanitary napkin leak-proofness is achieved.
Patent Information
- Application Number
- CN202423043104.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In existing methods for detecting leaks in sanitary napkins, the pigment is absorbed by the absorbent layer, making it difficult to accurately determine whether the sanitary napkin is leaking, which leads to a decrease in detection accuracy.
A sanitary napkin leak-proof detection device was designed. It uses a magnet to fix the moisture test paper, and controls the water injection volume through a lifting component and a drying device through an air supply component to achieve accurate leak-proof detection of sanitary napkins.
This technology enables leak detection of sanitary napkins under different water levels, improving the accuracy of the detection and ensuring the reliability of the test results.
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Figure CN223565522U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sanitary towel detection technical field, especially a sanitary towel leakproofness detection device. BACKGROUND
[0002] Sanitary towel is a kind of sanitary product for women during menstruation, and the main material is cotton, non-woven fabric, paper pulp or high molecular polymer and high molecular polymer composite paper formed by the above material composite, and the side edge is designed mainly to prevent side leakage, and is divided into three layers of surface layer, absorbing core and bottom layer from inside to outside, and when using, tear the middle paper tape first, stick the side with glue to the middle of underpants, and stick the two "ears" to the narrowest part of crotch to stick firmly.
[0003] Sanitary towel can absorb the secretion of women when using, to avoid wetting the underpants of women. The secretion of women increases during menstruation, in order to ensure that the sanitary towel can fully absorb the secretion, it is necessary to detect the leakproofness of sanitary towel after production, to ensure that the sanitary towel can achieve the established use effect when using. The common sanitary towel leakproofness detection method is to pour a certain amount of water containing color on the surface layer of sanitary towel, and lay a white paper under the sanitary towel, to check whether the white paper at the bottom is stained after the sanitary towel is wetted by the water containing color, to judge the leakproofness of sanitary towel. The design of sanitary towel is to absorb liquid, including blood and pigment liquid substances, when the pigment contacts with sanitary towel, the water absorption layer of sanitary towel will absorb the pigment, so that it no longer flows out or pollutes clothes, in this way, even if the bottom of the sanitary towel is slightly permeated after being wetted by the water containing color, the white paper laid under the sanitary towel also has the possibility of not being stained, which will lead to the decrease of the accuracy of sanitary towel leakproofness detection, and it is difficult to meet the detection demand. UTILITY MODEL CONTENTS
[0004] The purpose of the present application is to provide a sanitary towel leakproofness detection device, to solve the problem that the design of sanitary towel is to absorb liquid, including blood and pigment liquid substances, when the pigment contacts with sanitary towel, the water absorption layer of sanitary towel will absorb the pigment, so that it no longer flows out or pollutes clothes, in this way, even if the bottom of the sanitary towel is slightly permeated after being wetted by the water containing color, the white paper laid under the sanitary towel also has the possibility of not being stained, which will lead to the decrease of the accuracy of sanitary towel leakproofness detection, and it is difficult to meet the detection demand.
[0005] To achieve the above object, the present application provides the following technical scheme: a sanitary napkin leakage detection device, comprising a support seat, the top of the support seat is fixed with a bearing box, the bottom of the outer side of the bearing box is embedded with two iron blocks, the bottom of the inner side of the bearing box is provided with two grooves, the grooves are placed with magnets, the inside of the bearing box is placed with moisture detection test paper, two magnets are used to press both ends of the moisture detection test paper, a lifting assembly is installed on the support seat, a fixing frame is installed on the lifting assembly, a cover plate is fixed on the bottom of the fixing frame, the cover plate is located directly above the bearing box, the lifting assembly is used to adjust the position of the cover plate in the longitudinal direction, a water injection pipe is fixedly inserted on the cover plate, a first valve is installed on the water injection pipe, and a water storage cylinder is fixedly communicated with the top end of the water injection pipe, an air supply assembly is installed on the support seat, and the air supply assembly is used to supply air to the inside of the bearing box.
[0006] Further, a first electric push rod is installed on the fixing frame, and a piston is fixedly installed on the output end of the first electric push rod.
[0007] Further, an exhaust pipe is fixedly communicated with the bearing box, and a second valve is installed on the exhaust pipe.
[0008] Further, the two ends of the magnet are provided with clamping grooves.
[0009] Further, the lifting assembly comprises a bottom plate, the bottom plate is fixedly installed on the support seat, a second electric push rod is installed on the bottom plate, a load block is fixedly installed on the output end of the second electric push rod, and the load block is fixedly installed on the fixing frame.
[0010] Further, the air supply assembly comprises a fan and a heating box, the fan and the heating box are installed on the support seat, an air supply pipe is fixedly communicated between the air outlet of the fan and the heating box, an air guide pipe is fixedly communicated between the heating box and the bearing box, and an electric heating wire is installed in the heating box.
[0011] Further, the air inlet of the fan is fixedly communicated with an air inlet pipe, and a filter is installed at the other end of the air inlet pipe.
[0012] In summary, the technical effects and advantages of the present application are:
[0013] 1. The utility model discloses, utilize two magnet to press the both ends of moisture detection test paper that is laid in the inside of bearing box, then with the back glue of sanitary towel, paste sanitary towel in the inside of bearing box, and make sanitary towel be in the top of moisture detection test paper, utilize the lifting assembly and drive water injection pipe to move down, make water injection pipe draw together to sanitary towel, open first valve, the water of temporary storage in water storage cylinder can flow to sanitary towel along water injection pipe, after sanitary towel absorbs water, can drive water injection pipe to move up with the lifting assembly, tear down sanitary towel, can check the color change of the below moisture detection test paper, draw the leakproof detection result of sanitary towel, through change the water injection of water storage cylinder, can detect the leakproof detection result of sanitary towel after absorbing different water, so as to better judge the leakproof performance of sanitary towel.
[0014] 2. The utility model discloses, utilize the fan to send the outside air to heating box inside, with the electric heating wire in heating box air heating, make air temperature rise can along the air duct into bearing box, to the inside of bearing box is dried, avoid bearing box in subsequent use, the internal waterlogging influences the precision of moisture detection test paper to sanitary towel leakproof detection. ACCURACY
[0015] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior description will be briefly introduced as follows.
[0016] Figure 1 It is a three-dimensional structure schematic view of a sanitary towel leakproofness detection device in the embodiment of the present application.
[0017] Figure 2 It is a right view of the sanitary towel leakproofness detection device in the embodiment of the present application. Figure 1
[0018] Figure 3 It is a position relation diagram of support seat, bearing box, magnet, exhaust pipe in the embodiment of the present application.
[0019] Figure 4 It is a position relation diagram of bearing box, iron block, magnet in the embodiment of the present application.
[0020] Figure 5 It is a connection relation diagram of fixed frame, cover plate, water injection pipe, water storage cylinder in the embodiment of the present application.
[0021] Figure 6 It is a three-dimensional structure schematic view of air supply assembly in the embodiment of the present application.
[0022] As shown in the figure: 1, support seat; 2, bearing box; 3, iron block; 4, groove; 5, magnet; 6, fixed frame; 7, cover plate; 8, water injection pipe; 9, first valve; 10, water storage cylinder; 11, first electric push rod; 12, piston; 13, exhaust pipe; 14, second valve; 15, bottom plate; 16, second electric push rod; 17, carrier block; 18, fan; 19, heating box; 20, air conveying pipe; 21, air inlet pipe; 22, air duct. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] Embodiment: reference Figures 1-6 As shown in the figure: 1, support seat; 2, bearing box; 3, iron block; 4, groove; 5, magnet; 6, fixed frame; 7, cover plate; 8, water injection pipe; 9, first valve; 10, water storage cylinder; 11, first electric push rod; 12, piston; 13, exhaust pipe; 14, second valve; 15, bottom plate; 16, second electric push rod; 17, carrier block; 18, fan; 19, heating box; 20, air conveying pipe; 21, air inlet pipe; 22, air duct.
[0025] Two magnets 5 are used to press the two ends of the moisture detection test paper laid in the inside of the carrying box 2, then the sanitary napkin is pasted on the inside of the carrying box 2 by means of the back glue on the sanitary napkin, and the sanitary napkin is above the moisture detection test paper, the water injection pipe 8 is driven to move downward by the lifting assembly, so that the water injection pipe 8 is close to the sanitary napkin, the first valve 9 is opened, and the temporarily stored water in the water storage cylinder 10 can flow to the sanitary napkin along the water injection pipe 8; after the sanitary napkin absorbs the water, the water injection pipe 8 is driven to move upward by the lifting assembly, the sanitary napkin is removed, the color change of the moisture detection test paper can be observed, and the leakage detection result of the sanitary napkin can be obtained.
[0026] The first electric push rod 11 is installed on the fixed frame 6, the output end of the first electric push rod 11 is fixedly installed with the piston 12, the piston 12 is in sliding fit with the inner wall of the water storage cylinder 10, and the piston 12 can better send the water in the water storage cylinder 10 to the water injection pipe 8 by pushing the piston 12 by means of the first electric push rod 11.
[0027] The lifting assembly comprises a bottom plate 15, the bottom plate 15 is fixedly installed on the support base 1, the second electric push rod 16 is installed on the bottom plate 15, the output end of the second electric push rod 16 is fixedly installed with a carrier block 17, and the carrier block 17 is fixedly installed on the fixed frame 6. The height of the cover plate 7 in the longitudinal direction can be adjusted by means of the second electric push rod 16, so that the height of the water injection pipe 8 on the cover plate 7 is adjusted, and in this way, when the inside of the carrying box 2 is dried by means of the air supply assembly, the cover plate 7 can cover the carrying box 2, so that the air in the carrying box 2 can only be discharged along the exhaust pipe 13.
[0028] The air supply assembly comprises a fan 18 and a heating box 19, the fan 18 and the heating box 19 are installed on the support base 1, the outlet of the fan 18 is fixedly communicated with the heating box 19 through a wind pipe 20, the inlet of the fan 18 is fixedly communicated with an air inlet pipe 21, the other end of the air inlet pipe 21 is installed with a filter, the heating box 19 is fixedly communicated with the carrying box 2 through a wind guide pipe 22, the inside of the heating box 19 is installed with an electric heating wire, the carrying box 2 is fixedly communicated with the exhaust pipe 13, the second valve 14 is installed on the exhaust pipe 13, and the air supplied by the air supply assembly to the inside of the carrying box 2 can increase the air pressure in the inside of the carrying box 2 after the cover plate 7 covers the carrying box 2, and the air in the inside of the carrying box 2 can be discharged along the exhaust pipe 13.
[0029] The outside air is sent to the inside of the heating box 19 by means of the fan 18, the air is heated by means of the electric heating wire in the heating box 19, and the heated air can be introduced into the carrying box 2 along the wind guide pipe 22, so that the inside of the carrying box 2 can be dried, and the accuracy of the leakage detection of the sanitary napkin by the moisture detection test paper is avoided.
[0030] The working principle of the utility model is as follows:
[0031] Firstly, the second electric push rod 16 is controlled to retract, so that the second electric push rod 16 pulls the cover plate 7 to move downwards, forces the cover plate 7 to cover on the bearing box 2, opens the second valve 14 on the air exhaust pipe 13, then the electric heating wire in the fan 18 and the heating box 19 is started, so that the fan 18 sends the air filtered through the filter to the inside of the heating box 19, the electric heating wire heats the air, so that the air enters the bearing box 2 along the air guide pipe 22 after being heated, the hot air circulates in the bearing box 2, and the inside of the bearing box 2 is subjected to drying treatment, and the excess air in the bearing box 2 is exhausted along the air exhaust pipe 13, after a period of time, the inside of the bearing box 2 is completely dried, the electric heating wire is turned off, and after a period of time of air passing, the fan 18 is turned off, so that the inside of the bearing box 2 is kept dry, and the subsequent detection is not affected, then the second electric push rod 16 is controlled to pull the cover plate 7 to move upwards;
[0032] The moisture detection test paper is placed in the inside of the bearing box 2, two magnets 5 are taken out and are pressed on two ends of the moisture detection test paper respectively, the magnets 5 generate suction force on the iron block 3, so that the magnets 5 are stably kept in the inside of the recess 4 and are fixed on the moisture detection test paper, a sanitary napkin to be detected is taken out, the sanitary napkin is pasted on the inside of the bearing box 2 by using the back adhesive on the sanitary napkin, and the sanitary napkin is arranged above the moisture detection test paper, water is injected into the water storage cylinder 10, the injection amount of the water storage cylinder 10 is observed according to the scale table on the water storage cylinder 10, and after preparation, the second electric push rod 16 is started to pull the cover plate 7 and the water injection pipe 8 to move downwards, so that the cover plate 7 covers on the bearing box 2 again, the first valve 9 is opened, so that the water in the water storage cylinder 10 flows out along the water injection pipe 8, the first electric push rod 11 is started to push the piston 12 to move downwards, so that the residual water on the inner wall of the water storage cylinder 10 can also be pushed to the water injection pipe 8, and after the water in the water storage cylinder 10 is completely exhausted, the first valve 9 is closed, after a period of time, after the sanitary napkin absorbs the water, the second electric push rod 16 is started to pull the cover plate 7 to move upwards, then the sanitary napkin is taken off, the color change of the moisture detection test paper is observed, whether the sanitary napkin leaks is judged, and the result of the leakage prevention detection of the sanitary napkin is obtained, and by changing the injection amount of the water storage cylinder 10, the leakage prevention of the sanitary napkin under different water amounts can be detected, and the overall leakage prevention performance of the sanitary napkin is judged.
[0033] Finally, it should be noted that the above description is only preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A sanitary napkin leakage detection device comprising a support seat (1), characterized in that: The top of the support seat (1) is fixed with a bearing box (2), the bottom of the outer side of the bearing box (2) is embedded with two iron blocks (3), the bottom of the inner side of the bearing box (2) is provided with two grooves (4), the grooves (4) are placed with magnets (5), the inside of the bearing box (2) is placed with moisture detection test paper, two magnets (5) are used for pressing two ends of the moisture detection test paper, the support seat (1) is installed with a lifting assembly, the lifting assembly is installed with a fixing frame (6), the bottom of the fixing frame (6) is fixed with a cover plate (7), the cover plate (7) is located directly above the bearing box (2), the lifting assembly is used for adjusting the position of the cover plate (7) in the longitudinal direction, the cover plate (7) is fixedly inserted with a water injection pipe (8), the water injection pipe (8) is installed with a first valve (9), and the top end of the water injection pipe (8) is fixedly communicated with a water storage cylinder (10), the support seat (1) is installed with a air supply assembly, and the air supply assembly is used for air supply to the inside of the bearing box (2).
2. The leakage detection device for sanitary napkins according to claim 1, wherein: The fixing frame (6) is installed with a first electric push rod (11), and the output end of the first electric push rod (11) is fixedly installed with a piston (12), and the piston (12) is in sliding fit with the inner wall of the water storage cylinder (10).
3. The leakage detection device for sanitary napkins according to claim 1, wherein: The bearing box (2) is fixedly communicated with an exhaust pipe (13), and the exhaust pipe (13) is installed with a second valve (14).
4. The leakage detection device for sanitary napkins according to claim 1, wherein: The two ends of the magnet (5) are provided with clamping grooves.
5. The leakage detection device for sanitary napkins according to claim 1, wherein: The lifting assembly comprises a bottom plate (15), the bottom plate (15) is fixedly installed on the support seat (1), the bottom plate (15) is installed with a second electric push rod (16), the output end of the second electric push rod (16) is fixedly installed with a carrier block (17), and the carrier block (17) is fixedly installed on the fixing frame (6).
6. The leakage detection device for sanitary napkins according to claim 3, wherein: The air supply assembly comprises a fan (18) and a heating box (19), the fan (18) and the heating box (19) are installed on the support seat (1), the air outlet of the fan (18) and the heating box (19) are fixedly communicated with a air conveying pipe (20), the heating box (19) and the bearing box (2) are fixedly communicated with a air guide pipe (22), and the inside of the heating box (19) is installed with an electric heating wire.
7. The leakage detection device for sanitary napkins according to claim 6, characterized in that: The air inlet of the fan (18) is fixedly communicated with an air inlet pipe (21), and the other end of the air inlet pipe (21) is installed with a filter.