Integrated irritant filter paper preparation device for sensitive skin screening test

By designing a irritating filter paper preparation device combining cutting and spraying components, the problem of filter paper contamination and manual soaking is solved, and a significant improvement in experimental preparation efficiency is achieved.

CN222818962UActive Publication Date: 2025-05-02GUANGZHOU ZHONGKE INSPECTION TECH TESTING CO LTD +1
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Patent Information

Application Number
CN202421782703.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-02
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

When used in the prior art, filter paper sheets are susceptible to contamination, and manually soaking one by one wastes time, affecting the efficiency of experimental preparation.

Method used

A irritating filter paper preparation device is designed, combining cutting assembly and spray assembly to achieve a synchronous integrated operation of cutting and lactic acid solution infiltration.

Benefits of technology

It significantly improves the experimental preparation efficiency, reduces the risk of filter paper contamination, and flexibly adjusts the solution type and concentration according to different experimental needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated irritant filter paper preparation device for screening and testing sensitive skin, which comprises a base, and a cutting component for cutting filter paper is arranged on the base; the handle is guided by pressing the handle, moving the handle downwards and sliding the sliding rod in the guide groove, so that the handle vertically moves downwards, the handle rotates on the outer side of the limiting pin, the limiting pin slides in the sliding groove, the handle is conveniently pressed downwards, and when the handle is pressed downwards, the filter paper is cut by the cutting head; when the reset spring is pressed downwards, an elastic plate moves downwards, a control mounting button is turned on, the control button controls a micro water pump to be turned on, the micro water pump is easily conveyed into a spray head through a connecting pipe and a hollow block, and the spray head sprays a solution to a filter paper piece at the upper end of a baffle; the synchronous integrated operation of cutting and solution infiltration is realized, and the experiment preparation efficiency is remarkably improved.
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Description

Technical Field

[0001] The utility model relates to the field of skin care product experimental testing devices, in particular to an irritating filter paper preparation device for sensitive skin screening tests. Background Art

[0002] In traditional experimental operations, the preparation of irritating filter paper usually requires cutting or punching with a hole puncher, and then manually immersing the filter paper pieces into the solution one by one, either for use or for later use.

[0003] The prior art provides a device for preparing irritating filter paper (Announcement No.: CN206855605U), which includes a jaw and two upper and lower jaws that are staggered and pivotally connected together. A punching knife and a punching hole for cutting are arranged in the jaw, a waste paper bowl is arranged at the lower part of the punching hole of the jaw, and a torsion spring is arranged in the inner groove corresponding to the middle and rear parts of the upper and lower jaws. The tail of the punching knife is movably connected with the through hole of the head of the lower jaw, and is positioned and fixed by a retaining spring. The head end of the punching knife is provided with a notch knife groove concave inwardly toward the axis. The blade of the punching knife is provided with a guide positioning bracket fixedly connected with the rear end of the upper jaw, the guide positioning hole of the guide positioning bracket is slidably connected with the blade of the punching knife, and the guide positioning hole of the guide positioning bracket keeps the same axis as the punching hole. A paper feeding port is arranged between the bottom surface of the head of the guide positioning bracket and the upper surface of the jaw body of the upper jaw. The irritating filter paper preparation device of the utility model has the characteristics of labor-saving operation, good cutting quality and long service life.

[0004] However, the existing device still has the following defects:

[0005] When the existing device is used, the filter paper is first cut or punched with a puncher, and then the filter paper sheets are manually immersed in the solution one by one. When the filter paper sheets are manually operated, the filter paper sheets are easily contaminated, and soaking the filter paper sheets one by one is time-consuming, which affects the efficiency of experimental preparation. Therefore, we need to propose an irritant filter paper preparation device. Utility Model Content

[0006] The purpose of the utility model is to provide an irritating filter paper preparation device for performing a lactic acid sting test, wherein a filter paper sheet is soaked with a lactic acid solution and then attached to the face of a subject. The irritating filter paper preparation device of the utility model can realize the synchronous integrated operation of cutting and soaking with a lactic acid solution, thereby significantly improving the experimental preparation efficiency; the design is flexible, and the solution type and concentration can be adjusted according to different experimental requirements to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The irritant filter paper preparation device comprises a base, on which a cutting component for cutting the filter paper is arranged;

[0009] A spraying assembly for spraying solution on the filter paper is arranged inside the base;

[0010] The spray assembly includes a water tank slidably connected to the inside of the base, a micro water pump is fixedly connected to the inside of the water tank, a connecting pipe is fixedly connected to the water outlet of the micro water pump, one end of the connecting pipe is fixedly connected to a hollow block, the hollow block is fixedly installed on the box cover of the water tank, a plurality of uniformly distributed nozzles are fixedly installed on the side wall of the hollow block, an elastic plate is fixedly connected to the inside of the base, a control button is fixedly installed inside the base, and the control button is electrically connected to the micro water pump;

[0011] An installation component for installing the spray component is arranged inside the base.

[0012] Preferably, a detachable tank cover is provided at the upper end of the water tank.

[0013] Preferably, the cutting assembly includes two slide grooves opened inside the base, the interior of the two slide grooves are slidably connected to limit pins, the outer side of the limit pin is connected to a handle, the handle is movably connected to the base, a cutting head is fixedly installed inside the handle, a return spring is fixedly connected inside the handle, the return spring is fixedly connected to the elastic plate, two symmetrically distributed guide grooves are opened on the outside of the handle, the interior of the two guide grooves are slidably connected to slide rods, and the slide rods are fixedly connected to the handle.

[0014] Preferably, a placement platform is provided on the base, and a material drop hole is provided on both the base and the placement platform.

[0015] Preferably, a baffle is slidably connected inside the blanking hole, and a rotating assembly is commonly provided on the baffle and the base.

[0016] Preferably, the rotating assembly includes a first motor fixedly installed inside the base, a screw is fixedly connected to the output shaft of the first motor, the screw is rotatably connected to the base, the outer side of the screw is threadedly connected to a movable plate, the movable plate is slidably connected to the inside of the base, a second motor is fixedly connected to the side wall of the movable plate, a rotating rod is fixedly connected to the output shaft of the second motor, and the rotating rod is fixedly connected to the baffle.

[0017] Preferably, a plurality of control switches are provided on the side wall of the base, and the plurality of control switches are electrically connected to the first motor and the second motor respectively.

[0018] Preferably, the mounting assembly includes a sealing door hinged on the side wall of the base, a limiting plate is fixedly connected to the side wall of the sealing door, a guide block is slidably connected to the side wall of the limiting plate, the guide block is fixedly connected to the water tank, a fixing plate is fixedly connected to the side wall of the sealing door, a limiting rod is slidably connected inside the fixing plate, a fixing ring is fixedly connected to the outer side of the limiting rod, a limiting spring is sleeved on the outer side of the limiting rod, and a mounting block is fixedly connected to the side wall of the base.

[0019] Preferably, the limiting plate is made of rubber.

[0020] Preferably, the mounting block is slidably connected to the limiting rod and the fixing ring respectively.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model presses the handle to move downward, the slide bar slides inside the guide groove, plays a guiding role for the handle, and makes the handle move vertically downward, the handle rotates outside the limit pin, and the limit pin slides inside the slide groove, which is convenient for pressing down the handle, and when the handle is pressed down, the cutting head cuts the filter paper, and the reset spring resets the handle, and when the reset spring is pressed down, the elastic plate moves downward to open the control installation button, and the control button controls the micro water pump to turn on, and the micro water pump will be easily transported to the inside of the spray head through the connecting pipe and the hollow block, and the spray head sprays the solution onto the filter paper at the upper end of the baffle, thereby realizing the synchronous integrated operation of cutting and solution infiltration, and significantly improving the efficiency of experimental preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0026] Figure 4 Practical Figure 3 A magnified view of area A in;

[0027] Figure 5 Practical Figure 3 A magnified view of area B in FIG.

[0028] Figure 6 The utility model is a schematic diagram of the internal structure of the installation block.

[0029] In the figure: 1. base; 2. cutting assembly; 21. slide groove; 22. limit pin; 23. handle; 24. cutting head; 25. reset spring; 26. guide groove; 27. slide rod; 3. placement platform; 4. drop hole; 5. baffle; 6. rotating assembly; 61. first motor; 62. screw; 63. moving plate; 64. second motor; 65. rotating rod; 7. spraying assembly; 71. water tank; 72. micro water pump; 73. connecting pipe; 74. hollow block; 75. nozzle; 76. elastic plate; 77. control button; 8. installation assembly; 81. sealing door; 82. limit plate; 83. guide block; 84. fixed plate; 85. limit rod; 86. fixing ring; 87. limit spring; 88. installation block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-6 , the utility model provides a technical solution:

[0032] The irritant filter paper preparation device comprises a base 1, on which a cutting component 2 for cutting filter paper sheets is arranged;

[0033] A spraying assembly 7 for spraying a solution onto the filter paper is arranged inside the base 1;

[0034] The spray assembly 7 includes a water tank 71 slidably connected to the inside of the base 1, a micro water pump 72 is fixedly connected to the inside of the water tank 71, a connecting pipe 73 is fixedly connected to the water outlet of the micro water pump 72, one end of the connecting pipe 73 is fixedly connected to a hollow block 74, the hollow block 74 is fixedly installed on the box cover of the water tank 71, and a plurality of uniformly distributed nozzles 75 are fixedly installed on the side wall of the hollow block 74, an elastic plate 76 is fixedly connected to the inside of the base 1, and a control button 77 is fixedly installed inside the base 1, and the control button 77 is electrically connected to the micro water pump 72;

[0035] An installation component 8 for installing the spray component 7 is arranged inside the base 1 .

[0036] The upper end of the water tank 71 is provided with a detachable tank cover.

[0037] Illustratively, the detachable tank cover facilitates replacement of the solution inside the water tank 71 .

[0038] The cutting assembly 2 includes two slide grooves 21 opened inside the base 1, and the interior of the two slide grooves 21 is slidably connected to the limit pin 22, and the outer side of the limit pin 22 is rotated and connected to the handle 23, and the handle 23 is movably connected to the base 1. A cutting head 24 is fixedly installed inside the handle 23, and a return spring 25 is fixedly connected inside the handle 23. The return spring 25 is fixedly connected to the elastic plate 76, and two symmetrically distributed guide grooves 26 are opened on the outer side of the handle 23. The interior of the two guide grooves 26 is slidably connected to the slide rod 27, and the slide rod 27 is fixedly connected to the handle 23.

[0039] Exemplarily, the handle 23 is pressed, the handle 23 moves downward, and the slide bar 27 slides inside the guide groove 26 to guide the handle 23, so that the handle 23 moves vertically downward. The handle 23 rotates outside the limit pin 22, and the limit pin 22 slides inside the slide groove 21 to facilitate the downward pressing of the handle 23. When the handle 23 is pressed downward, the cutting head 24 cuts the filter paper, and the reset spring 25 resets the handle 23.

[0040] A placement platform 3 is provided on the base 1 , and a material drop hole 4 is provided on both the base 1 and the placement platform 3 .

[0041] Exemplarily, the placement platform 3 is used to place the filter paper sheets, and the cut filter paper sheets fall into the drop holes 4 .

[0042] A baffle plate 5 is slidably connected inside the blanking hole 4 , and a rotating assembly 6 is provided on the baffle plate 5 and the base 1 .

[0043] Exemplarily, the baffle 5 supports the filter paper, and the rotating assembly 6 facilitates the filter paper on the upper end of the baffle 5 to fall out of the base 1.

[0044] The rotating assembly 6 includes a first motor 61 fixedly installed inside the base 1, a screw 62 is fixedly connected to the output shaft of the first motor 61, the screw 62 is rotatably connected to the base 1, the outer side of the screw 62 is threadedly connected to a moving plate 63, the moving plate 63 is slidably connected to the inside of the base 1, a second motor 64 is fixedly connected to the side wall of the moving plate 63, a rotating rod 65 is fixedly connected to the output shaft of the second motor 64, and the rotating rod 65 is fixedly connected to the baffle 5.

[0045] Illustratively, the first motor 61 drives the screw 62 to rotate, the screw 62 controls the movable plate 63 to move upward, the baffle 5 supports the filter paper, the first motor 61 drives the screw 62 to rotate, the screw 62 controls the movable plate 63 to move downward, the second motor 64 drives the rotating rod 65 to rotate, the rotating rod 65 drives the baffle 5 to rotate, and after the baffle 5 rotates, it is convenient for the filter paper to fall out after spraying.

[0046] A plurality of control switches are disposed on the side wall of the base 1 , and the plurality of control switches are electrically connected to the first motor 61 and the second motor 64 , respectively.

[0047] Exemplarily, the plurality of control switches respectively control the forward and reverse rotation of the first motor 61 , and control the rotation of the second motor 64 .

[0048] The mounting assembly 8 includes a sealing door 81 hinged on the side wall of the base 1, a limiting plate 82 is fixedly connected to the side wall of the sealing door 81, a guide block 83 is slidably connected to the side wall of the limiting plate 82, the guide block 83 is fixedly connected to the water tank 71, a fixing plate 84 is fixedly connected to the side wall of the sealing door 81, a limiting rod 85 is slidably connected inside the fixing plate 84, a fixing ring 86 is fixedly connected to the outer side of the limiting rod 85, a limiting spring 87 is sleeved on the outer side of the limiting rod 85, and a mounting block 88 is fixedly connected to the side wall of the base 1.

[0049] Exemplarily, the spray assembly 7 is installed inside the base 1, the sealing door 81 is closed, the limit plate 82 pushes the guide block 83 to move the water tank 71 away from the limit plate 82, the limit rod 85 is pulled out, the fixing ring 86 compresses the limit spring 87, the limit rod 85 is separated from the fixed plate 84, the limit on the fixed plate 84 is released, the sealing door 81 is opened, and the water tank 71 is easily removed. When the limit rod 85 is released, under the elastic force of the limit spring 87, the fixing ring 86 drives the limit rod 85 to move toward the fixed plate 84, and the limit rod 85 is stuck in the fixed plate 84 to limit the fixed plate 84, thereby limiting the sealing door 81.

[0050] The limiting plate 82 is made of rubber.

[0051] Exemplarily, the limiting plate 82 is a rubber plate to facilitate the opening and closing of the sealing door 81 .

[0052] The mounting block 88 is slidably connected to the limiting rod 85 and the fixing ring 86 respectively.

[0053] Exemplarily, the mounting block 88 mounts the limiting rod 85 , the fixing ring 86 , and the limiting spring 87 .

[0054] Working principle: When the utility model is used, the handle 23 is pressed, the handle 23 moves downward, the slide bar 27 slides inside the guide groove 26, plays a guiding role for the handle 23, and makes the handle 23 move vertically downward. The handle 23 rotates outside the limit pin 22, and the limit pin 22 slides inside the slide groove 21, which is convenient for the handle 23 to be pressed down. When the handle 23 is pressed down, the cutting head 24 cuts the filter paper, and the reset spring 25 resets the handle 23. When the reset spring 25 is pressed down, the elastic plate 76 moves downward to open the control button 77. The control button 77 controls the micro water pump 72 to open, and the micro water pump 72 will easily transport the solution to the inside of the nozzle 75 through the connecting pipe 73 and the hollow block 74, and the nozzle 75 sprays the solution onto the filter paper at the upper end of the baffle 5;

[0055] During cutting, the first motor 61 drives the screw 62 to rotate, the screw 62 controls the moving plate 63 to move upward, and the baffle 5 supports the filter paper. After spraying, the first motor 61 drives the screw 62 to rotate, the screw 62 controls the moving plate 63 to move downward, the second motor 64 drives the rotating rod 65 to rotate, and the rotating rod 65 drives the baffle 5 to rotate. After the baffle 5 rotates, it is convenient for the filter paper to fall out after spraying.

[0056] The spray assembly 7 is installed inside the base 1, the sealing door 81 is closed, the limiting plate 82 pushes the guide block 83 to move the water tank 71 away from the limiting plate 82, the limiting rod 85 is pulled out, the fixing ring 86 compresses the limiting spring 87, the limiting rod 85 is separated from the fixing plate 84, the limiting of the fixing plate 84 is released, the sealing door 81 is opened, and the water tank 71 is taken out. When the limiting rod 85 is released, under the elastic force of the limiting spring 87, the fixing ring 86 drives the limiting rod 85 to move toward the fixing plate 84, the limiting rod 85 is stuck in the fixing plate 84, the fixing plate 84 is limited, and thus the sealing door 81 is limited.

[0057] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated irritant filter paper preparation device for sensitive skin screening test, comprising a base (1), characterized in that: The base (1) is provided with a cutting component (2) for cutting the filter paper. A spraying assembly (7) for spraying a solution onto the filter paper is arranged inside the base (1); The spray assembly (7) comprises a water tank (71) slidably connected to the interior of the base (1); a micro water pump (72) is fixedly connected to the interior of the water tank (71); a water outlet of the micro water pump (72) is fixedly connected to a connecting pipe (73); one end of the connecting pipe (73) is fixedly connected to a hollow block (74); the hollow block (74) is fixedly mounted on a cover of the water tank (71); a plurality of uniformly distributed spray heads (75) are fixedly mounted on a side wall of the hollow block (74); an elastic plate (76) is fixedly connected to the interior of the base (1); a control button (77) is fixedly mounted to the interior of the base (1); and the control button (77) is electrically connected to the micro water pump (72); An installation component (8) for installing the spray component (7) is arranged inside the base (1).

2. An integrated irritant filter paper preparation device for sensitive skin screening test according to claim 1, characterized in that: The upper end of the water tank (71) is provided with a detachable tank cover.

3. The integrated irritation filter paper preparation device for sensitive skin screening test according to claim 1, characterized in that: The cutting assembly (2) comprises two slide grooves (21) provided inside the base (1), the interior of the two slide grooves (21) being slidably connected to a limit pin (22), the outer side of the limit pin (22) being rotatably connected to a handle (23), the handle (23) being movably connected to the base (1), a cutting head (24) being fixedly installed inside the handle (23), a return spring (25) being fixedly connected inside the handle (23), the return spring (25) being fixedly connected to the elastic plate (76), two symmetrically distributed guide grooves (26) being provided outside the handle (23), the interior of the two guide grooves (26) being slidably connected to a slide rod (27), the slide rod (27) being fixedly connected to the handle (23).

4. The integrated irritation filter paper preparation device for sensitive skin screening test according to claim 3, characterized in that: A placement platform (3) is provided on the base (1), and a material drop hole (4) is provided on both the base (1) and the placement platform (3).

5. The integrated irritant filter paper preparation device for sensitive skin screening test according to claim 4, characterized in that: A baffle plate (5) is slidably connected to the interior of the drop hole (4), and a rotating assembly (6) is provided on the baffle plate (5) and the base (1).

6. The integrated irritant filter paper preparation device for sensitive skin screening test according to claim 5, characterized in that: The rotating assembly (6) comprises a first motor (61) fixedly mounted inside the base (1); a screw rod (62) is fixedly connected to the output shaft of the first motor (61); the screw rod (62) is rotatably connected to the base (1); a movable plate (63) is threadedly connected to the outer side of the screw rod (62); the movable plate (63) is slidably connected to the inside of the base (1); a second motor (64) is fixedly connected to the side wall of the movable plate (63); a rotating rod (65) is fixedly connected to the output shaft of the second motor (64); and the rotating rod (65) is fixedly connected to the baffle (5).

7. An integrated irritant filter paper preparation device for sensitive skin screening test according to claim 6, characterized in that: A plurality of control switches are arranged on the side wall of the base (1), and the plurality of control switches are electrically connected to the first motor (61) and the second motor (64) respectively.

8. The integrated irritant filter paper preparation device for sensitive skin screening test according to claim 1, characterized in that: The mounting assembly (8) comprises a sealing door (81) hinged on the side wall of the base (1); a limiting plate (82) is fixedly connected to the side wall of the sealing door (81); a guide block (83) is slidably connected to the side wall of the limiting plate (82); the guide block (83) is fixedly connected to the water tank (71); a fixing plate (84) is fixedly connected to the side wall of the sealing door (81); a limiting rod (85) is slidably connected inside the fixing plate (84); a fixing ring (86) is fixedly connected to the outside of the limiting rod (85); a limiting spring (87) is sleeved on the outside of the limiting rod (85); and a mounting block (88) is fixedly connected to the side wall of the base (1).

9. The integrated irritant filter paper preparation device for sensitive skin screening test according to claim 8, characterized in that: The limiting plate (82) is made of rubber.

10. The integrated irritant filter paper preparation device for sensitive skin screening test according to claim 8, characterized in that: The mounting block (88) is slidably connected to the limiting rod (85) and the fixing ring (86) respectively.