Urine detection pen
By designing a urine testing pen with an elastic press-type sampler and a transparent observation window, the problems of cumbersome operation and hand contamination in existing urine self-testing products have been solved, achieving simple and accurate urine testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-24
AI Technical Summary
Existing urine self-testing products are cumbersome to operate, which can easily lead to inaccurate test results and hand contamination.
A urine testing pen has been designed, comprising an outer shell, an inner sleeve, an elastic press-type sampler, and a test strip. Urine is collected by the elastic press-type sampler and flows through a connecting channel to the test strip for reaction. The outer shell has a transparent observation window to observe the results, avoiding hand contamination.
It simplifies the urine collection process, improves the accuracy and safety of testing, and prevents urine from contaminating the user's hands.
Smart Images

Figure CN224035419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of detection, specifically relates to a urine detection pen. BACKGROUND
[0002] At present, the reagent kit products for home self-test are more and more, but there are still a large number of users when using the self-test products, the operation is not standardized, and the operation is failed, so that the reagent kit is invalid or the detection result is inaccurate. At present, in the urine self-test project, the reagent kit sampling urine is troublesome, and the test paper and urine reaction need to be operated in a standard manner to achieve the ideal detection effect, which brings the use difficulty to the user, and the operation failure is common, which increases the user cost and makes the detection result inaccurate.
[0003] Taking a pregnancy test stick as an example, at present, there are about four types of home self-test pregnancy test sticks: test paper type (need to cooperate with a urine cup), card type reagent kit, urine type reagent kit and electronic detection reagent kit. Among them, the test paper type and the card type need to use a urine cup to collect urine, after the urine is collected, the test paper type needs to immerse the test paper end into the urine to wait for the result, and the card type needs to use the self-provided suction tube to suck the urine in the urine cup and then drop it into the test paper to wait for the result. The operation of the two detection methods is complicated, and the urine cup needs to be used, when collecting urine, most of the time, the urine collected is too much to be inconvenient to take, and the urine collected is too little to be detected, and the hands are easy to be dirty during the urine collecting process, which is very inconvenient; the sampling method of the urine type reagent kit and the electronic reagent kit is to directly urinate on the pregnancy test stick, and the sampling process is easy to urinate on the display window and even pollute the test paper, so as to cause the test paper to be invalid; and the sampling process is not completed instantaneously, and the urine and the test paper need to be reacted before being taken away, so that the operation failure is easy to occur; if the urinating time is too short, the urine cannot be reacted. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the defects of the prior art, and provides a urine detection pen. The urine detection pen is simple in operation, accurate in detection, and can effectively avoid the problem of urine pollution of hands during the sampling process.
[0005] The utility model is realized through the following technical schemes:
[0006] A urine detection pen, comprising: a shell, an inner sleeve, an elastic pressing type sampler and test paper;
[0007] The inner sleeve is fixedly installed in the shell, the inner sleeve has an inner cavity, and the elastic pressing type sampler is pluggably installed in the inner cavity of the inner sleeve;
[0008] The elastic pressing sampler comprises a cotton head, a pressing rod, a spring, a mounting sleeve and a limiting sheet, wherein the pressing rod is coaxially slidably penetrated and mounted in the mounting sleeve, the spring is embedded in the mounting sleeve, the bottom of the spring is supported by the bottom of the mounting sleeve, the limiting sheet is fixed on the pressing rod, the limiting sheet is used for limiting the top of the spring, and the limiting sheet is located in the inside of the mounting sleeve and is limited by the top cover of the mounting sleeve in upward movement, and the cotton head is fixedly mounted at the bottom end of the pressing rod.
[0009] A test paper mounting groove for mounting the test paper is arranged on the outer wall of the inner sleeve, the test paper is mounted in the test paper mounting groove, and a communication passage is arranged between the bottom of the test paper mounting groove and the bottom inner cavity of the inner sleeve, so that the urine in the inner cavity of the bottom of the inner sleeve can overflow to the test paper through the communication passage; a transparent observation window is arranged on the shell at a position corresponding to the test paper.
[0010] In the above technical solution, the inner sleeve and the shell are both cylindrical.
[0011] In the above technical solution, a window is arranged on the shell at a position corresponding to the test paper, and a cover plate made of transparent material is mounted at the window position, so as to form the observation window. The color of the test paper can be observed through the observation window to determine the detection result, and in addition, the observation window can also play a role of isolation to prevent the user from contacting the test paper and to avoid urine pollution of the user.
[0012] In the above technical solution, the bottom of the mounting sleeve is provided with a bottom cover, a through hole is arranged on the bottom cover, the pressing rod is slidably penetrated through the through hole, and the bottom of the spring is abutted against the bottom cover of the mounting sleeve.
[0013] In the above technical solution, the cotton head is in a cylindrical shape.
[0014] In the above technical solution, a pressing sheet is arranged at the top end of the pressing rod.
[0015] In the above technical solution, a limiting piece is detachably mounted on the rod segment of the pressing rod between the mounting sleeve and the pressing sheet.
[0016] In the above technical solution, the limiting piece is in a columnar shape, an opening matched with the pressing rod is arranged on the side of the limiting piece, and the limiting piece is clamped on the pressing rod through the opening.
[0017] In the above technical solution, desiccant mounting grooves for mounting the desiccants are arranged on the outer wall of the inner sleeve, the number of the desiccant mounting grooves is two, the desiccant mounting grooves are symmetrically arranged at two side positions of the test paper mounting groove, and sheet-shaped desiccants are mounted in the desiccant mounting grooves.
[0018] The advantages and beneficial effects of the utility model are as follows:
[0019] (1) The urine detection pen of the utility model designs the elastic pressing type sampler which can be separated from the detection pen main body, when collecting urine, the elastic pressing type sampler is pulled out from the detection pen main body, when urinating, the user holds the top end of the elastic pressing type sampler, the cotton head at the end of the elastic pressing type sampler is contacted with urine to collect, in the process of collecting, because the elastic pressing type sampler is long, the user's hand holding end is far enough from the urine, therefore, the urine splashing on the user's hand in the collecting process can be effectively avoided. After collecting, the elastic pressing type sampler is inserted into the inner sleeve of the detection pen, the limiting piece is pulled out, the elastic pressing type sampler is pressed downwards, the cotton head at the end of the elastic pressing type sampler moves downwards and is pressed with the bottom end of the inner sleeve, the urine in the cotton head overflows into the bottom inner cavity of the inner sleeve and contacts the test paper through the communication channel to react; after one pressing, under the spring action of the elastic pressing type sampler, the cotton head resets upwards and expands, extra urine is absorbed, and false positive phenomenon of the test paper soaked in urine for a long time is prevented.
[0020] (2) The utility model discloses a urine detection pen's shell is provided with transparent observation window on the position corresponding to test paper, namely, the window is set up on the shell at the position corresponding to the test paper, and the cover plate of transparent material is installed at the window position, thereby forming the observation window. The color of the test paper can be observed through the observation window to judge the detection result, in addition, the observation window can also play the role of isolation, prevent the user from contacting the test paper, and avoid urine pollution to the user.
[0021] (3) The utility model discloses the limit piece that the installation sleeve and the pressing piece between the elastic pressing type sampler can be separated and installed on the pressing rod section, for limiting the downward movement of the pressing rod, prevent false operation and make the cotton head be extruded, when pulling down the limit piece, the pressing rod can only be pressed and moves downwards, and the cotton head is extruded. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the structure schematic diagram of the urine detection pen of the utility model under the complete state.
[0023] Figure 2 It is the state schematic diagram of the urine detection pen of the utility model after the limit piece is removed.
[0024] Figure 3 It is the explosion structure schematic diagram of the urine detection pen of the utility model.
[0025] Figure 4 It is the structure schematic diagram of the elastic pressing type sampler of the urine detection pen of the utility model.
[0026] For ordinary skilled person in the art, other related drawings can be obtained according to the above drawings without paying creative labor. DETAILED DESCRIPTION
[0027] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme of the present application will be further described below in combination with specific embodiments.
[0028] A urine detection pen, see attached Figure 1 -attached Figure 3 , comprising: a shell 1, an inner sleeve 2, an elastic pressing type sampler 3 and test paper.
[0029] The inner sleeve 2 and the shell 1 are both cylindrical in shape, the inner sleeve 2 is fixedly installed inside the shell 1, the inner sleeve 2 has an inner cavity, the elastic pressing type sampler 3 is pluggable installed in the inner cavity of the inner sleeve 2, the elastic pressing type sampler 3 is provided with a cotton head 301 at the end, during detection, the elastic pressing type sampler 3 is pulled out from the inner sleeve 2, the cotton head 301 at the end of the elastic pressing type sampler 3 is used to suck and collect the urine to be detected, after collection, the elastic pressing type sampler 3 is inserted into the inner sleeve 2, then the elastic pressing type sampler 3 is pressed, so that the cotton head at the end is extruded with the bottom end of the inner sleeve 2, and then the urine in the cotton head is overflowed into the bottom inner cavity of the inner sleeve 2.
[0030] A test paper mounting groove 201 for mounting test paper is arranged on the outer wall of the inner sleeve 2 along the height direction thereof, the test paper is mounted in the test paper mounting groove 201, and a communication passage is arranged between the bottom of the test paper mounting groove 201 and the bottom inner cavity of the inner sleeve 2, so that the urine in the bottom inner cavity of the inner sleeve 2 can overflow to the test paper through the communication passage, thereby realizing the test paper to detect the urine.
[0031] A transparent observation window 101 is arranged on the shell 1 corresponding to the position of the test paper, that is, a window is opened on the shell 1 corresponding to the position of the test paper, and a cover plate of transparent material is mounted at the window position, thereby forming the observation window. The color of the test paper can be observed through the observation window 101 to judge the detection result, in addition, the observation window 101 can also play a role of isolation, preventing the user from contacting the test paper, and avoiding urine pollution of the user.
[0032] See attached Figure 4Further, the elastic pressing sampler 3 comprises a cotton head 301, a pressing rod 302, a spring 303, a mounting sleeve 304 and a limiting sheet 305, wherein the pressing rod 302 is coaxially and slidingly penetratedly mounted with the mounting sleeve 304, the spring 303 is embedded in the mounting sleeve 304, the bottom of the spring 303 is supported by the bottom of the mounting sleeve 304 (i.e. the bottom of the mounting sleeve 304 is provided with a bottom cover, the bottom cover is provided with a through hole, the pressing rod 302 is slidingly penetrated through the through hole, and the bottom of the spring 303 is abutted on the bottom cover of the mounting sleeve 304); the limiting sheet 305 is fixed on the pressing rod 302, the limiting sheet 305 is used for limiting the top of the spring 303, and the limiting sheet 305 is located in the inside of the mounting sleeve 304 and is limited by the top cover 306 of the mounting sleeve 304 to move upward; the cotton head 301 is fixedly mounted on the bottom end of the pressing rod 302 through a connecting piece 308; and the pressing sheet 307 is further arranged on the top end of the pressing rod 302. When the pressing rod 302 is pressed, the spring 303 is compressed, the pressing rod 302 moves downward relative to the mounting sleeve 304 (after the elastic pressing sampler 3 is inserted into the inner sleeve 2, the mounting sleeve 304 is limited in the inner sleeve 2, so that the mounting sleeve 304 cannot move downward relative to the inner sleeve 2), the cotton head 301 at the bottom end of the pressing rod 302 is extruded with the bottom end of the inner sleeve 2, and then the urine in the cotton head is overflowed into the bottom inner cavity of the inner sleeve 2; after the pressing rod 302 is released, the pressing rod 302 moves upward relative to the mounting sleeve 304 to reset under the elastic force of the spring 303, the cotton head 301 gradually loses the extrusion effect with the inner sleeve 2, the cotton head gradually recovers, and the excess urine in the bottom inner cavity of the inner sleeve 2 is absorbed in the process of the gradual recovery of the cotton head, so that the excessive absorption of the test paper is avoided, and the false positive phenomenon of the detection result is caused (this step is very important, if the excess urine is left in the bottom inner cavity of the inner sleeve 2, the absorption of the test paper may be exceeded, the urine in the test paper may flow back, and then the false positive phenomenon is caused).
[0033] Further, the cotton head is composed of non-woven fabric and absorbent cotton and the like, and is in a cylindrical shape.
[0034] Further, referring to the drawings, Figure 2 and the drawings, Figure 3 the limiting piece 4 is detachably mounted on the rod section of the pressing rod 302 between the mounting sleeve 304 and the pressing sheet 307, is used for limiting the downward movement of the pressing rod 302, and prevents the cotton head 301 from being extruded due to the misoperation; after the limiting piece 4 is pulled off, the pressing rod 302 can move downward to extrude the cotton head 301. Specifically, the limiting piece 4 is in a columnar shape, the opening 401 matched with the pressing rod 302 is arranged on the side of the limiting piece 4, and the limiting piece 4 is clamped on the pressing rod 302 through the opening 401.
[0035] Further, referring to the drawings, Figure 3A desiccant mounting groove 202 for mounting the desiccant is arranged on the outer wall of the inner sleeve 2, the number of the desiccant mounting groove 202 is two, and the desiccant mounting groove 202 is symmetrically arranged at the positions on the two sides of the test paper mounting groove 201, a sheet desiccant is mounted in the desiccant mounting groove 202, and the test paper is dried before the self-test pen is used, the activity of the test paper is protected, and the shelf life is prolonged.
[0036] The use method of the urine detection pen is as follows:
[0037] Step 1: first, pull out the elastic pressing sampler 3 from the inner sleeve 2.
[0038] Step 2: then, during urination, the user holds the top end (i.e. one end of the pressing sheet 307) of the elastic pressing sampler 3, contacts the cotton head 301 at the end of the elastic pressing sampler 3 with urine for collection, and in the collection process, since the elastic pressing sampler 3 is relatively long, the user's hand holding end is far enough from the urine, so that the urine can be effectively prevented from splashing on the user's hand during the collection process.
[0039] Step 3: after the collection is completed, insert the elastic pressing sampler 3 back into the inner sleeve 2, then pull out the limiting piece 4, press the elastic pressing sampler 3 downward, so that the cotton head at the end of the elastic pressing sampler 3 moves downward and is pressed against the bottom end of the inner sleeve 2, and then the urine in the cotton head overflows into the bottom inner cavity of the inner sleeve 2 and reacts with the test paper; after one pressing (about 1 second), under the action of the spring, the cotton head resets upward and expands, absorbs the excess urine, and prevents the test paper from being soaked in the urine for a long time to cause a false positive phenomenon.
[0040] For ease of description, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to describe one element or feature's relationship to another element or feature as illustrated in the drawings. It should be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over, an element that is denoted as being "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or located in any other orientation) and the spatially relative descriptors used herein interpreted accordingly.
[0041] Moreover, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions.
[0042] The above has made exemplary description to the utility model, should indicate is, in not departing from the core case of the utility model, any simple deformation, modification or other field technical personnel can not spend the equivalent replacement of creative labor falls into the protection scope of the utility model.
Claims
1. A urine test pen, characterized in that The utility model relates to a portable urine sampling device, including: A shell, an inner sleeve, an elastic pressing sampler and test paper; The inner sleeve is fixedly installed inside the shell, and the inner sleeve has an inner cavity; the elastic pressing sampler is pluggably installed in the inner cavity of the inner sleeve; The elastic pressing sampler comprises a cotton head, a pressing rod, a spring, a mounting sleeve and a limiting sheet; the pressing rod is coaxially slidably penetrated through the mounting sleeve; the spring is embedded in the mounting sleeve, and the bottom of the spring is supported by the bottom of the mounting sleeve; the limiting sheet is fixed on the pressing rod, and the limiting sheet is used for limiting the top of the spring; the limiting sheet is located inside the mounting sleeve, and the upward movement of the limiting sheet is limited by the top cover of the mounting sleeve; the cotton head is fixedly installed at the bottom end of the pressing rod; A test paper mounting groove for mounting the test paper is arranged on the outer wall of the inner sleeve; the test paper is mounted in the test paper mounting groove; a communication passage is arranged between the bottom of the test paper mounting groove and the bottom inner cavity of the inner sleeve, so that liquid in the bottom inner cavity of the inner sleeve can overflow to the test paper through the communication passage; a transparent observation window is arranged on the shell at a position corresponding to the test paper.
2. The urine test pen of claim 1, wherein: The inner sleeve and the shell are both cylindrical.
3. The urine test pen of claim 1, wherein: A window is formed on the shell at a position corresponding to the test paper, and a cover plate made of transparent material is mounted at the position of the window, so as to form the observation window.
4. The urine test pen of claim 1, wherein: The bottom of the mounting sleeve is provided with a bottom cover, and a through hole is arranged on the bottom cover; the pressing rod is slidably penetrated through the through hole, and the bottom of the spring abuts against the bottom cover of the mounting sleeve.
5. The urine test pen of claim 1, wherein: The cotton head is cylindrical.
6. The urine test pen of claim 1, wherein: A pressing sheet is arranged at the top end of the pressing rod.
7. The urine test pen of claim 6, wherein: A limiting member is detachably mounted on the rod segment of the pressing rod between the mounting sleeve and the pressing sheet.
8. The urine test pen of claim 7, wherein: The limiting member is columnar, and an opening matched with the pressing rod is formed in the side of the limiting member; the limiting member is clamped on the pressing rod through the opening.
9. The urine test pen of claim 1, wherein: A desiccant mounting groove for mounting a desiccant is arranged on the outer wall of the inner sleeve, and a sheet-shaped desiccant is mounted in the desiccant mounting groove.
10. The urine test pen of claim 9, wherein: The number of the desiccant mounting grooves is two, and the desiccant mounting grooves are symmetrically arranged at positions on both sides of the test paper mounting groove.