Detection device

Abstract

The utility model relates to a detection device. The detection device comprises a shell provided with an accommodating cavity; the detection mechanism is arranged in the accommodating cavity; the accommodating mechanism is inserted into the accommodating cavity, the accommodating cavity comprises a detection cavity located between the end part of the accommodating mechanism and the bottom plate of the shell, the accommodating mechanism is provided with an accommodating cavity, and the accommodating mechanism comprises a first locking structure arranged on the inner wall surface of the accommodating cavity; the sampling mechanism comprises a handle, a sampling unit, a first sealing piece and a second locking structure, the first sealing piece and the second locking structure are arranged on the handle, the sampling unit is connected with the handle, and the first sealing piece abuts against the containing mechanism; when the first locking structure and the second locking structure abut against each other, the sampling mechanism stops sliding relative to the accommodating mechanism; when the first locking structure and the second locking structure are separated from each other, the sampling mechanism can slide relative to the accommodating mechanism to enable the accommodating cavity and the detection cavity to be communicated with each other, so that the use convenience of the detection device can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a detection device. Background Art

[0002] Samples such as feces can be analyzed through physical, immunological, and chemical methods to understand the state of the digestive system and assist in the diagnosis of digestive tract diseases. Specifically, feces and other samples are mixed with a test solution and then tested using test strips. Test strips prepared using immunochromatographic technology can be used to assist in the diagnosis of various digestive system diseases. However, traditional testing devices often have the drawback of being inconvenient to operate. Utility Model Content

[0003] One technical problem solved by the present application is how to improve the convenience of operating the detection device.

[0004] A detection device, comprising:

[0005] The shell is provided with a receiving cavity;

[0006] A detection mechanism is arranged in the accommodating cavity;

[0007] a receiving mechanism detachably inserted into the receiving cavity, the receiving cavity including a detection cavity located between an end of the receiving mechanism and the bottom plate of the housing, the detection mechanism extending into the detection cavity, the receiving mechanism defining a receiving cavity, and the receiving mechanism including a first locking structure provided on an inner wall surface of the receiving cavity;

[0008] A sampling mechanism, comprising a handle, a sampling unit, a first sealing member, and a second locking structure, wherein the first sealing member and the second locking structure are both provided on the handle, the sampling unit is connected to the handle, the handle and the sampling unit are detachably inserted into the receiving cavity, and the first sealing member abuts against the receiving mechanism to seal the receiving cavity;

[0009] When the first locking structure and the second locking structure abut against each other, the sampling mechanism stops sliding relative to the receiving mechanism; when the first locking structure and the second locking structure disengage from each other, the sampling mechanism can slide relative to the receiving mechanism to connect the receiving cavity and the detection cavity to each other.

[0010] In one embodiment, the first locking structure is an open-ring convex ring, which is protruding from the inner wall surface of the receiving cavity, and the two ends of the convex ring are spaced apart from each other to form a sliding notch; the second locking structure is a convex column protruding from the handle, and the convex column abuts against the convex ring. When the handle rotates relative to the receiving cavity and the convex column rotates to the sliding notch, the sampling mechanism can slide downward relative to the receiving mechanism.

[0011] In one embodiment, the inner wall surface of the receiving cavity is recessed at the position of the sliding notch to form a sliding groove, and the sliding groove extends a certain length along the axial direction of the receiving mechanism.

[0012] In one embodiment, the receiving mechanism further includes a limiting member, which is protrudingly provided on the inner wall surface of the receiving cavity and is located on the side of the convex ring away from the detection cavity. Along the axial direction of the receiving mechanism, the orthographic projection of the limiting member covers the sliding notch.

[0013] In one embodiment, the receiving mechanism includes a receiving piece and a sealing body, the sealing body is arranged at one end of the receiving piece and forms the receiving cavity with the receiving piece, the first locking structure is arranged on the receiving piece, and the detection mechanism can puncture the sealing body to connect the receiving cavity and the detection cavity.

[0014] In one embodiment, the receiving mechanism further includes a convex rib, which is located outside the receiving cavity and protrudes from the receiving piece. The convex rib abuts against the inner wall surface of the receiving cavity so that the receiving mechanism is fixed by interference fit.

[0015] In one embodiment, the sampling mechanism further includes a second sealing member, the cross-sectional dimension of the handle is larger than the cross-sectional dimension of the sampling unit, and the second sealing member is arranged on the sampling unit. When the first locking structure and the second locking structure abut against each other, the second sealing member abuts against the receiving mechanism to separate the receiving cavity into a first cavity and a second cavity that are not connected to each other, and the handle cooperates with the first cavity; when the detection mechanism punctures the sealing body, the first cavity and the second cavity are connected to each other.

[0016] In one embodiment, the receiving mechanism further includes an isolating member, which is located in the receiving cavity and protrudes on the receiving member, and a through hole is provided on the isolating member that passes through the isolating member, and the diameter of the through hole is smaller than the diameter of the receiving cavity, and the through hole is located between the first cavity and the second cavity; when the second sealing member abuts against the inner wall surface of the through hole, the first cavity and the second cavity are not connected to each other; when the second sealing member is located in the first cavity or the second cavity, the first cavity is connected to the second cavity through the through hole.

[0017] In one embodiment, the end of the sampling unit away from the handle is a tip with spikes, and a brush is provided at a position of the sampling unit close to the tip.

[0018] In one embodiment, at least one of the following options is also included:

[0019] The housing includes a housing body and a baffle, wherein the housing body encloses the accommodating cavity, the baffle protrudes from the housing body and separates the detection cavity into a detection space and a buffer space, and the detection mechanism extends into the detection space;

[0020] From an end of the bottom wall of the detection cavity close to the detection mechanism to an end away from the detection mechanism, the distance between the bottom wall and the receiving mechanism along the axial direction of the shell increases, so that the bottom wall is arranged at an acute angle to the axial direction of the shell and is in an inclined state;

[0021] The shell includes a shell body and two positioning plates. The shell body surrounds the accommodating cavity. The two positioning plates are protrudingly arranged on the shell body and located in the accommodating cavity. A positioning groove for accommodating the detection mechanism is formed between the two positioning plates. The shell body has a transparent perspective window at the position of the positioning groove.

[0022] One technical effect of one embodiment of the present application is that the receiving chamber is used to receive a test liquid. When the receiving chamber and the detection chamber are connected, the test liquid can flow from the receiving chamber into the detection chamber and contact the detection mechanism, thereby enabling the detection mechanism to detect the test liquid. Therefore, the acquisition of the test liquid and the detection of the test liquid can be completed on the same device, thereby simplifying the structure of the detection device. Furthermore, the first sealing member can effectively seal the receiving chamber, preventing the test liquid from overflowing and causing contamination, and preventing foreign matter from entering the test liquid in the receiving chamber and affecting the detection results, thereby improving detection accuracy. Furthermore, simply disengaging the first locking structure from the second locking structure allows the sampling mechanism to slide relative to the receiving mechanism to connect the receiving chamber and the detection chamber, thereby ensuring that the test liquid can smoothly flow from the receiving chamber into the detection chamber for detection. This simple operation process eliminates the need for complex operating procedures to remove independent limiting components to allow the test liquid to enter the detection chamber. This means that ordinary users can effectively operate the detection device without requiring specialized training, thereby reducing the user's learning curve and ultimately improving the ease of operation of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the planar structure of a detection device provided in one embodiment.

[0024] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the detection device shown.

[0025] Figure 3 for Figure 1 The schematic diagram of the planar cross-sectional structure of the detection device shown.

[0026] Figure 4 for Figure 1 Schematic diagram of the three-dimensional structure of the shell in the detection device shown.

[0027] Figure 5 for Figure 1 Schematic diagram of the three-dimensional structure of the receiving mechanism in the detection device shown.

[0028] Figure 6 for Figure 5 Schematic diagram of the planar structure of the accommodation mechanism shown.

[0029] Figure 7 for Figure 1 A schematic diagram of the three-dimensional structure of another example of a receiving mechanism in the detection device shown.

[0030] Figure 8 for Figure 1 A schematic diagram of the three-dimensional structure of a sealing body in another example of the detection device is shown.

[0031] Figure 9 for Figure 1 A schematic diagram of the three-dimensional structure of another example of a receiving mechanism in the detection device shown.

[0032] Figure 10 for Figure 1 Schematic diagram of the three-dimensional structure of the sampling structure in the detection device shown.

[0033] Figure 11 for Figure 1 Another example of a partial three-dimensional structural schematic diagram of the sampling structure in the detection device is shown.

[0034] Figure 12 for Figure 1 A schematic diagram of another example of a partial three-dimensional structure of a sampling structure in the detection device shown.

[0035] Reference numerals: detection device 10, housing 100, housing body 110, accommodating cavity 111, detection cavity 1111, detection space 1112, buffer space 1113, bottom wall 1114, perspective window 112, baffle 120, positioning plate 130, positioning groove 131, detection mechanism 200, mounting frame 210, detection test paper 220, receiving mechanism 300, receiving member 310, receiving cavity 311, first cavity 3111, second cavity 3112, slide groove 312 , sealing body 320, rubber sleeve 3201, sealing side 3202, cross puncture 3203, first locking structure 330, convex ring 331, sliding notch 332, limiter 340, isolation member 350, through hole 351, rib 360, rib end 3601, sampling mechanism 400, handle 410, sampling unit 420, tip 421, brush 422, first sealing member 430, second sealing member 440, second locking structure 450, and protruding column 451. DETAILED DESCRIPTION

[0036] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0037] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0038] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0039] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0040] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0041] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0042] See Figure 1 、 Figure 2 and Figure 3 One embodiment of the present application provides a detection device 10 that can be used to detect samples such as feces. The detection device 10 includes a housing 100, a detection mechanism 200, a storage mechanism 300, and a sampling mechanism 400. The storage mechanism 300 and the detection mechanism 200 are both disposed on the housing 100, and the sampling mechanism 400 is disposed on the storage mechanism 300. The sampling mechanism 400 is used to collect the sample, and the storage mechanism 300 is used to store a diluent so that the sample and the diluent are mixed to form a detection solution. The detection mechanism 200 is used to detect the detection solution.

[0043] See Figure 2 、 Figure 3 and Figure 4 In some embodiments, the housing 100 includes a housing body 110, which encloses a receiving cavity 111. The receiving mechanism 300 is removably inserted into the receiving cavity 111, so the receiving cavity 111 is used to install the receiving mechanism 300. When the receiving mechanism 300 is inserted into the receiving cavity 111, a detection cavity 1111 is formed between the end of the receiving mechanism 300 and the bottom of the housing body 110. Obviously, the detection cavity 1111 is part of the receiving cavity 111, so the receiving cavity 1111 includes the detection cavity 1111. A portion of the detection mechanism 200 extends into the detection cavity 1111. The detection liquid is used to receive the detection liquid from the receiving mechanism 300. When the detection liquid enters the detection cavity 1111, the detection mechanism 200 will come into contact with the detection liquid, thereby realizing detection of the detection liquid.

[0044] See Figure 2 、 Figure 3 and Figure 4In some embodiments, the housing 100 may further include a baffle 120. The baffle 120 is positioned within the detection cavity 1111 and protrudes from the housing body 110, specifically, protruding from the bottom wall 1114 of the detection cavity 1111. The baffle 120 divides the detection cavity 1111 into a mutually independent detection space 1112 and a buffer space 1113. The detection mechanism 200 extends into the detection space 1112. When the detection liquid flows out of the receiving mechanism 300, a portion of the detection liquid flows into the detection space 1112, while another portion flows into the buffer space 1113. The baffle 120 isolates the detection space 1112 and the buffer space 1113, ensuring that the detection mechanism 200 can only come into contact with the detection liquid in the detection space 1112 but not in the buffer space 1113. This can prevent excessive testing liquid from flowing into the testing space 1112, thereby preventing the excessive testing liquid from affecting the detection accuracy of the detection mechanism 200. By changing the height of the baffle 120, the liquid volume distribution in the testing space 1112 and the buffer space 1113 can be adjusted, thereby improving the detection accuracy of the entire detection device 10 for the sample. In other embodiments, the baffle 120 can also be omitted.

[0045] See Figure 2 、 Figure 3 and Figure 4 In some embodiments, the distance between the bottom wall 1114 of the detection cavity 1111 and the receiving mechanism 300 increases along the axial direction of the housing 100 from the end of the bottom wall 1114 closest to the detection mechanism 200 to the end farther from the detection mechanism 200. This prevents the bottom wall 1114 from being perpendicular to the axial direction of the housing 100 and being horizontal, ensuring that the bottom wall 1114 is tilted at an acute angle to the axial direction of the housing 100. By tilting the bottom wall 1114 of the detection cavity 1111, the bottom wall 1114 can serve to guide the detection liquid, ensuring that the detection liquid entering the detection cavity 1111 flows rapidly toward the detection mechanism 200 under the action of gravity, thereby shortening the detection time and ultimately improving the detection efficiency of the detection device 10. In other embodiments, the bottom wall 1114 can be perpendicular to the axial direction of the housing 100.

[0046] See Figure 2 、 Figure 3 and Figure 4In some embodiments, the shell body 110 further includes a positioning plate 130, and the number of the positioning plates 130 is two. The two positioning plates 130 are located in the accommodating cavity 111, and the positioning plates 130 are protruding relative to the shell body 110. The two positioning plates 130 are spaced apart from each other, so a positioning groove 131 is formed between the two positioning plates 130. The detection mechanism 200 cooperates with the positioning groove 131, and the positioning groove 131 can play a good positioning role for the detection mechanism 200, thereby improving the installation efficiency and accuracy of the detection mechanism 200. The shell body 110 has a transparent perspective window 112 at the position of the positioning groove 131, and the user can observe the detection results of the detection mechanism 200 on the sample through the perspective window 112. Other parts of the shell body 110 can be non-transparent, so as to prevent samples such as feces from causing unnecessary psychological pressure on the user.

[0047] See Figure 2 and Figure 3 In some embodiments, the detection mechanism 200 includes a mounting frame 210 and a test strip 220. The test strip 220 is mounted on the mounting frame 210 and detachably connected to the housing 100, facilitating removal and installation of the entire detection mechanism 200 relative to the housing 100. The test strip 220 is used to test the test fluid, and the test results can be viewed by the user through the transparent window 112. The transparent window 112 is provided with a groove of a certain depth for mounting a transparent window sheet. The transparent window sheet primarily serves to facilitate the tester's interpretation of the test results while preventing the sample's odor from escaping the device. The thickness of the transparent window sheet is adjusted based on observation requirements and the overall appearance. Methods for attaching the transparent window to the transparent window sheet include, but are not limited to: 1. Interference fit: inserting the transparent window sheet into the groove; 2. Adhesive fixation: The transparent window sheet is glued onto the back of the transparent window sheet and glued into the transparent window groove. However, to facilitate the tester's observation of the test results, the adhesive layer should be placed away from the result display area when gluing, as it may obstruct the tester's view. Types of glue include, but are not limited to, silicone, acrylate, epoxy resin, rubber, etc. Methods of curing after application include, but are not limited to, heating, ultraviolet radiation, pressurization, humidification, vibration, etc. Different test strips 220 may be used for different testing items. For example, the test strip 220 for detecting Helicobacter pylori in feces may be different from the test strip 220 for detecting fecal occult blood.

[0048] See Figure 3In some embodiments, the receiving mechanism 300 includes a receiving member 310 and a sealing body 320. The sealing body 320 can be a sheet-like structure made of aluminum foil. The receiving member 310 can be roughly cylindrical with both ends open. The sealing body 320 is connected to one end of the receiving member 310 so that the sealing body 320 blocks the opening at one end of the receiving member 310. In this way, the receiving member 310 and the sealing body form a receiving cavity 311. Obviously, the receiving cavity 311 is an open cavity with one end open and the other end closed. The sealing body 320 defines part of the boundary of the detection cavity 1111. When the sealing body 320 is punctured by the sampling mechanism 400, the liquid in the receiving cavity 311 will flow into the detection cavity 1111. Figure 7 In one embodiment, the sealing body 320 can be a plastic part integrally formed with the receiving member 310. In this case, the sealing body 320 has a thin-walled and fragile feature. When the sealing body 320 is punctured by the sampling mechanism 400, the liquid in the receiving cavity 311 will flow into the detection cavity 1111. Figure 8 In another embodiment, the sealing body 320 may be a rubber sleeve 3201. The rubber sleeve 3201 forms an interference fit with the receiving member 310 through the sealing side surface 3202 to form a receiving cavity 311. When the rubber sleeve 3201 is punctured by the sampling mechanism 400 through the cross-puncture hole 3023, the liquid in the receiving cavity 311 will flow into the detection cavity 1111. The material types of the rubber sleeve 3201 include, but are not limited to, silicone, natural rubber, fluororubber, nitrile rubber, fluorosilicone rubber, polyester-type polyurethane rubber, etc.

[0049] See Figure 2 and Figure 5 In some embodiments, the receiving mechanism 300 further includes a rib 360, which is located outside the receiving cavity 311, so that the rib 360 is protruding from the outer surface of the receiving piece 310, and the rib 360 extends a certain length along the axial direction of the receiving piece 310. The number of the ribs 360 can be multiple, and the multiple ribs 360 are arranged at intervals along the circumference of the receiving piece 310. When the receiving mechanism 300 is inserted into the receiving cavity 111 of the shell 100, the rib 360 is in close contact with the inner wall surface of the receiving cavity 111 to form a reasonable abutting force, and the entire receiving mechanism 300 is fixed to the shell 100 through the action of the rib 360 through interference fit. In another embodiment, referring to Figure 9By extending the rib end 3601 of the rib 360, the length of the rib end 3601 in the circumferential direction of the receiving part 310 is increased, so that the rib end 3601 is in close contact with the inner wall surface of the accommodating cavity 111 to form a reasonable abutting force, and the entire receiving mechanism 300 is fixed to the shell 100 by the action of the rib end 3601 through the interference fit of the entire surface. Other ways of fixing the receiving mechanism 300 to the shell 100 include but are not limited to: ① Adhesive fixation. Before the receiving mechanism 300 is inserted into the accommodating cavity 111, the contact portion between the receiving mechanism 300 and the shell 100 is glued together, and the types of glue include but are not limited to: silicone, acrylate, epoxy resin, rubber, etc. The curing method after gluing includes but is not limited to: heating, ultraviolet radiation, pressurization, humidification, vibration, etc. ② Ultrasonic welding. After the receiving mechanism 300 is placed in the shell 100, high-frequency vibration is applied to the outer periphery of the shell 100 corresponding to the area where the rib 360 is in close contact with the inner wall surface of the receiving cavity 111, and the acoustic wave energy is transmitted to the contact surface of the welding object through the welding head. Heat is generated by friction between the materials, causing the material in the close contact area to partially melt or soften, and the melted material solidifies under a certain pressure to form a strong connection. ③ Laser welding. After the receiving mechanism 300 is placed in the shell 100, a high-power density laser beam is applied to the outer periphery of the shell 100 corresponding to the area where the rib 360 is in close contact with the inner wall surface of the receiving cavity 111, and the laser beam is focused on this area. The high power density of the laser beam can cause the heated materials to melt and mix rapidly, and then solidify again during the cooling process to complete a strong connection.

[0050] See Figure 3 、 Figure 5 and Figure 6 In some embodiments, the receiving mechanism 300 further includes a first locking structure 330 disposed on the inner wall surface of the receiving cavity 311. For example, the first locking structure 330 may be a raised ring 331. The raised ring 331 is open-loop and extends a certain length along the circumference of the receiving member 310. The raised ring 331 is spaced apart from its ends, forming a sliding notch 332 between the two spaced ends of the raised ring 331. The sliding notch 332 can slidably engage with the sampling mechanism 400, allowing the sampling mechanism 400 to slide axially along the receiving member 310 through the sliding notch 332. When the sampling mechanism 400 abuts the raised ring 331, the raised ring 331 exerts a limiting effect on the sampling mechanism 400 along the axial direction of the receiving member 310, thereby preventing the sampling mechanism 400 from sliding relative to the receiving member 310 along the axial direction of the receiving member 310.

[0051] See Figure 2 、 Figure 3 and Figure 10In some embodiments, the sampling mechanism 400 can be removably inserted into the receiving cavity 311. The sampling mechanism 400 includes a handle 410, a sampling unit 420, a first sealing member 430, and a second locking structure 450. The handle 410 and the sampling unit 420 can be coaxially arranged, and the cross-sectional dimension of the handle 410 can be larger than the cross-sectional dimension of the sampling unit 420. The first sealing member 430 is arranged on the handle 410. For example, the first sealing member 430 can be sleeved on the handle 410. When the sampling mechanism 400 is inserted into the receiving cavity 311, the first sealing member 430 will abut against the inner wall surface of the receiving cavity 311, thereby providing a good sealing effect for the receiving cavity 311. The number of first sealing members 430 can be increased or decreased based on a comprehensive consideration of the sealing requirements of the sampling mechanism 400 and the pull-out force, so its number can be adjusted according to actual needs.

[0052] See Figure 2 、 Figure 3 and Figure 7 In some embodiments, the second locking structure 450 can be a protruding column 451, which is protruding from the handle 410. The sampling mechanism 400 can rotate relative to the receiving member 310 along its own axis. During the rotation of the sampling mechanism 400 relative to the receiving member 310, when the protruding column 451 abuts against the convex ring 331, the protruding column 451 and the entire sampling mechanism 400 are supported on the convex ring 331, preventing the sampling mechanism 400 from sliding axially relative to the receiving member 310. When the protruding column 451 is separated from the convex ring 331 and located in the sliding notch 332, the abutment and interference of the convex ring 331 on the protruding column 451 are eliminated, allowing the sampling mechanism 400 to slide axially relative to the receiving member 310 through the sliding notch 332. As the sampling mechanism 400 slides axially relative to the receiving member 310, the sampling mechanism 400 gradually approaches the sealing body 320. When the sampling mechanism 400 pierces the sealing body 320, the detection cavity 1111 and the receiving cavity 311 are connected to each other, and the liquid in the receiving cavity 311 flows into the detection cavity 1111. In other embodiments, the protrusion 451 can be provided on the receiving member 310, and the protrusion ring 331 can be provided on the handle 410.

[0053] See Figure 2 and Figure 5In some embodiments, a groove 312 is formed in the inner wall of the receiving cavity 311 at the location of the sliding notch 332. The groove 312 can extend through the entire receiving member 310, i.e., the groove 312 has openings on both the inner and outer walls of the receiving member 310. The groove 312 can extend a certain length along the axial direction of the receiving mechanism 300. During the sliding movement of the sampling mechanism 400 relative to the receiving member 310, the protrusion 451 can slide in engagement with the groove 312, thereby effectively limiting the sliding movement of the sampling mechanism 400 relative to the receiving member 310 and improving the sliding accuracy of the sampling mechanism 400. In other embodiments, the groove 312 can extend through the inner wall of the receiving member 310, but can be spaced apart from the outer wall of the receiving member 310, i.e., the groove 312 does not extend through the outer wall of the receiving member 310; or the groove 312 can be omitted.

[0054] See Figure 5 and Figure 6 In some embodiments, the receiving mechanism 300 may further include a stopper 340, which is protruding from the inner wall surface of the receiving cavity 311. The stopper 340 is located on the side of the protruding ring 331 away from the detection cavity 1111. This can be understood as the stopper 340 being located above the protruding ring 331. Along the axial direction of the receiving mechanism 300, the orthographic projection of the stopper 340 covers the sliding notch 332. This can be understood as the stopper 340 being located directly above the protruding ring 331. By providing the stopper 340, when the sampling mechanism 400 is inserted into the receiving cavity 311, the protruding column 451 can be effectively prevented from first entering the sliding notch 332, thereby preventing the sampling mechanism 400 from sliding relative to the receiving member 310 and puncturing the sealing body 320. Therefore, when the sampling mechanism 400 is inserted downward into the receiving cavity 311, the protrusion 451 will first abut against the protruding ring 331, thereby preventing the sampling mechanism 400 from sliding relative to the receiving member 310 and puncturing the sealing body 320, thereby effectively preventing user error. In other embodiments, the stopper 340 may also be omitted.

[0055] See Figure 3 and Figure 10 In some embodiments, the sampling mechanism 400 further includes a second sealing member 440 disposed on the sampling unit 420. When the first locking structure 330 and the second locking structure 450 abut against each other, that is, when the protrusion 451 abuts against the protruding ring 331, the second sealing member 440 abuts against the receiving mechanism 300, thereby separating the receiving chamber 311 into a first chamber 3111 and a second chamber 3112 that are not interconnected. The handle 410 engages with the first chamber 3111, and the sampling unit 420 extends into the second chamber 3112. Therefore, the second chamber 3112 is closer to the detection chamber 1111 than the first chamber 3111. When the sampling mechanism 400 punctures the sealing member 320, the first chamber 3111 and the second chamber 3112 communicate with each other.

[0056] See Figure 3 The receiving mechanism 300 further includes an isolating member 350, which is located within the receiving chamber 311. The isolating member 350 protrudes from the receiving member 310 and is provided with a through hole 351 that passes through the isolating member 350. The diameter of the through hole 351 is smaller than that of the receiving chamber 311. The through hole 351 is located between the first chamber 3111 and the second chamber 3112. When the protruding column 451 abuts the protruding ring 331, the second sealing member 440 abuts against the inner wall of the through hole 351. That is, the second sealing member 440 abuts against the isolating member 350, so that the second sealing member 440 seals the through hole 351. The first chamber 3111 cannot communicate with the second chamber 3112 through the through hole 351, and the end of the sampling unit 420 maintains a certain distance from the sealing body 320. When the protrusion 451 is located in the sliding notch 332 and the slide groove 312, causing the sampling mechanism 400 to slide, the end of the sampling unit 420 will gradually move closer to the sealing body 320, and the second sealing member 440 will gradually disengage from the through hole 351 and the isolation member 350. When the second sealing member 440 is located in the second cavity 3112, the second sealing member 440 will completely disengage from the through hole 351 and the isolation member 350. Therefore, the sampling mechanism 400 will open the through hole 351, so that the first cavity 3111 and the second cavity 3112 are connected to each other through the through hole 351. In other embodiments, the second sealing member 440 and the isolation member 350 can also be omitted. The number of second sealing members 440 can be increased or decreased based on the sealing requirements of the sampling mechanism 400 and the extraction force, so their number can be adjusted according to actual needs.

[0057] See Figure 3 and Figure 10 In some embodiments, the end of the sampling unit 420 away from the handle 410 is a tip 421 with spikes, and a brush 422 is provided at a position of the sampling unit 420 near the tip 421. In view of the provision of the tip 421, the sampling unit 420 can quickly pierce the sealing body 320, so that the liquid in the receiving cavity 311 can quickly flow into the detection cavity 1111, thereby improving the detection efficiency. In the process of sampling feces, the sampling unit 420 can be inserted into the feces so that the brush 422 is completely immersed in the feces. After the sampling unit 420 is pulled out of the feces, the feces will be firmly attached to the brush 422, thereby realizing the effective sampling of the sample by the sampling mechanism 400. The brush 422 can be cross-shaped. In fact, for both formed hardened feces and unformed water-like feces, the comb-tooth structure design of the cross-shaped brush 422 can effectively sample the sample, avoiding the situation where the sampling mechanism 400 cannot sample water-like feces. See. Figure 11 The brush 422 can also be designed as a cross screwdriver type, see Figure 12The design of the brush 422 can also be a single-row comb-tooth design, and the design of the brush can be changed according to different test items, feces types of different hardness and state, and sample loading amount.

[0058] See Figure 2 、 Figure 3 and Figure 5 , the following describes the main production and assembly steps of the detection device 10:

[0059] In the first step, the test paper 220 matching the specific test item is assembled onto the mounting frame 210 , and the mounting frame 210 is installed into the positioning groove 131 , so that the test paper 220 extends into the detection space 1112 of the detection cavity 1111 .

[0060] In the second step, the diluent is injected into the receiving chamber 311 so that the diluent is completely received in the second chamber 3112. Since the sealing body 320 has not been punctured, the second chamber 3112 can effectively receive the diluent and prevent the diluent from leaking from the second chamber 3112. The sampling mechanism 400 is inserted into the receiving chamber 311. During the insertion into the receiving chamber 311, due to the blocking effect of the limiter 340, the boss 451 first abuts against the convex ring 331, preventing the boss 451 from mistakenly entering the sliding notch 332. After the boss 451 abuts against the convex ring 331, the first sealing member 430 will abut against the inner wall surface of the first chamber 3111, thereby sealing the first chamber 3111. The second sealing member 440 abuts against the inner wall of the through-hole 351, thereby sealing the second cavity 3112. This prevents the first cavity 3111 and the second cavity 3112 from communicating with each other through the through-hole 351, thereby preventing the diluent from overflowing from the receiving cavity 311 and preventing foreign matter from entering the test liquid within the receiving cavity 311. Furthermore, the tip 421 of the sampling unit 420 maintains a certain distance from the sealing body 320 to prevent the tip 421 of the sampling unit 420 from puncturing the sealing body 320. Of course, the brush 422 of the sampling unit 420 will come into contact with the diluent.

[0061] In the third step, the receiving mechanism 300, equipped with the sampling mechanism 400, is inserted into the receiving cavity 111 of the housing 100, so that the ribs 360 of the receiving mechanism 300 are in close contact with the inner wall of the receiving cavity 111, thereby securing the receiving mechanism 300 relative to the housing 100 (or securing the receiving mechanism 300 relative to the housing 100 by gluing, ultrasonic welding, laser welding, or a combination thereof). At this point, the sealing body 320 maintains a certain distance from the bottom wall 1114 of the detection cavity 1111, thereby ensuring a reasonable amount of space in the detection cavity 1111.

[0062] In the fourth step, the transparent window piece is installed into the transparent window 112 by interference fitting or gluing.

[0063] The following describes the steps for the tester to use the detection device 10:

[0064] In the first step, the sampling mechanism 400 is pulled out from the receiving cavity 311 and the sampling mechanism 400 is used to sample feces or other samples. After ensuring that the brush 422 is immersed in the sample for a certain period of time, the sampling mechanism 400 is pulled out from the sample so that the sampling mechanism 400 can obtain a sufficient amount of sample.

[0065] The second step is to insert the sampling mechanism 400 after sampling into the receiving mechanism 300, so that the protrusion 451 abuts the protruding ring 331. Obviously, the first seal 430 seals the first cavity 3111, and the second seal 440 seals the through hole 351, preventing the first cavity 3111 and the second cavity 3112 from communicating with each other through the through hole 351. The sample on the brush 422 will come into contact with the diluent in the second cavity 3112, and the detection device 10 will be vibrated, so that the sample attached to the sampling unit 420 and the diluent in the second cavity 3112 are fully mixed to form the detection liquid. Obviously, during the vibration process, due to the sealing effect of the first seal 430 and the second seal 440, the detection liquid will not be able to enter the first cavity 3111 from the second cavity 3112 and overflow outside the receiving cavity 311, effectively preventing samples such as feces from contaminating the environment.

[0066] In the third step, after the mixing is completed, turn the handle 410 so that the protrusion 451 disengages from the protruding ring 331 and enters the position of the sliding notch 332, and then press the handle 410 downward to make the sampling mechanism 400 slide relative to the receiving member 310. The handle 410 compresses the gas in the first cavity 3111, thereby increasing the gas pressure. As the sampling mechanism 400 continues to descend, the tip 421 of the sampling mechanism 400 will pierce the sealing body 320, so that the detection cavity 1111 and the second cavity 3112 are connected to each other. At the same time, the second sealing member 440 is located in the second cavity 3112, and the first cavity 3111 will be connected to the second cavity 3112 through the through hole 351. The air pressure in the first cavity 3111 will push the detection liquid in the second cavity 3112 through the sealing body 320 and quickly enter the detection cavity 1111, thereby improving the detection efficiency. When the detection liquid enters the detection space 1112 of the detection cavity 1111, the detection liquid will come into contact with the detection test paper 220. After the detection liquid has been in contact with the detection test paper 220 for a set time, the detection test paper 220 will detect the detection liquid through chromatography, and the detection result on the detection test paper 220 can be observed through the transparent perspective window 112 on the housing 100, thereby realizing the detection of the sample by the detection device 10.

[0067] If the detection device utilizes a separate sampling module and detection module, on the one hand, the detection liquid formed by mixing the sample and diluent in the sampling module directly contacts the outside world, causing pathogens in the detection liquid to directly contaminate the surrounding environment. Furthermore, foreign matter may enter the detection liquid and affect the test results. Furthermore, during the mixing process, the sample and diluent are prone to overflow, which may also contaminate the operator or the surrounding environment. Furthermore, the detection liquid in the sampling module must be transferred to the detection module for testing, which is a cumbersome process and affects detection efficiency. Furthermore, the entire detection device is structurally more complex. Alternatively, if the detection device utilizes an integrated sampling module and detection module, during the testing process, the independent stopper must be removed to allow the detection liquid in the sampling module to enter the detection module for testing. However, the independent stopper is complex and requires the user to study the manual, which increases the user's learning curve. In other words, only trained professional users are required to operate the detection device 10, while untrained users find it quite difficult to operate, which seriously affects the ease of use of the detection device 10. Furthermore, the independent limiting component has a complex structure, which results in a complex structure of the entire detection device 10 .

[0068] In the detection device 10 of the above embodiment, the detection mechanism 200, the receiving mechanism 300, and the sampling mechanism 400 are all carried on the same housing 100, so that the sampling module formed by the receiving mechanism 300 and the sampling mechanism 400 and the detection module formed by the detection mechanism 200 are integrated and arranged in an integrated manner, making the detection mechanism 200 simple in structure. Due to the provision of the first sealing member 430, during the mixing process of the sample and the diluent, the detection liquid is effectively prevented from overflowing from the receiving chamber 311, thereby avoiding environmental pollution and preventing foreign matter from invading the detection liquid in the receiving chamber 311, thereby improving detection accuracy. When detection is required, it is only necessary to rotate the protrusion 451 to the position where the sliding notch 332 is located, and press the sampling mechanism 400, so that the sampling mechanism 400 slides relative to the receiving mechanism 300 to puncture the seal 320, thereby allowing the detection liquid in the receiving chamber 311 to enter the detection chamber 1111 and contact the detection mechanism 200, and finally allowing the detection mechanism 200 to detect the detection liquid and form a detection result. Therefore, the operation procedure for puncturing the sealing body 320 is relatively simple, and no professional training is required to remove the independent limiting component. Ordinary users can also operate the detection device 10, thereby improving the convenience of operating the detection device 10. Therefore, the easy-to-operate detection device 10 can be used by ordinary users in the home, so that the detection of samples such as feces does not need to go to the hospital, thereby reducing the detection cost and detection time.

[0069] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A detection device, characterized in that: include: The shell is provided with a receiving cavity; A detection mechanism is arranged in the accommodating cavity; a receiving mechanism detachably inserted into the receiving cavity, the receiving cavity including a detection cavity located between an end of the receiving mechanism and the bottom plate of the housing, the detection mechanism extending into the detection cavity, the receiving mechanism defining a receiving cavity, and the receiving mechanism including a first locking structure provided on an inner wall surface of the receiving cavity; A sampling mechanism, comprising a handle, a sampling unit, a first sealing member, and a second locking structure, wherein the first sealing member and the second locking structure are both provided on the handle, the sampling unit is connected to the handle, the handle and the sampling unit are detachably inserted into the receiving cavity, and the first sealing member abuts against the receiving mechanism to seal the receiving cavity; When the first locking structure and the second locking structure abut against each other, the sampling mechanism stops sliding relative to the receiving mechanism; when the first locking structure and the second locking structure disengage from each other, the sampling mechanism can slide relative to the receiving mechanism to connect the receiving cavity and the detection cavity to each other.

2. The detection device according to claim 1, characterized in that The first locking structure is an open-ring convex ring, which is protruding from the inner wall surface of the receiving cavity, and the two ends of the convex ring are spaced apart from each other to form a sliding notch; the second locking structure is a convex column protruding from the handle, and the convex column abuts against the convex ring. When the handle rotates relative to the receiving cavity and the convex column rotates to the sliding notch, the sampling mechanism can slide downward relative to the receiving mechanism.

3. The detection device according to claim 2, characterized in that The inner wall surface of the receiving cavity is recessed at the position of the sliding notch to form a sliding groove, and the sliding groove extends along the axial direction of the receiving mechanism for a certain length.

4. The detection device according to claim 2, characterized in that The receiving mechanism further includes a limiting member, which is protrudingly arranged on the inner wall surface of the receiving cavity and located on a side of the convex ring away from the detection cavity. Along the axial direction of the receiving mechanism, the orthographic projection of the limiting member covers the sliding notch.

5. The detection device according to claim 1, characterized in that The receiving mechanism includes a receiving piece and a sealing body. The sealing body is arranged at one end of the receiving piece and forms the receiving cavity with the receiving piece. The first locking structure is arranged on the receiving piece. The detection mechanism can pierce the sealing body to connect the receiving cavity and the detection cavity.

6. The detection device according to claim 5, characterized in that The receiving mechanism further includes a convex rib, which is located outside the receiving cavity and protrudes from the receiving piece. The convex rib abuts against the inner wall surface of the accommodating cavity, so that the receiving mechanism is fixed by interference fit.

7. The detection device according to claim 5, characterized in that The sampling mechanism also includes a second sealing member. The cross-sectional dimension of the handle is larger than the cross-sectional dimension of the sampling unit. The second sealing member is arranged on the sampling unit. When the first locking structure and the second locking structure abut against each other, the second sealing member abuts against the receiving mechanism to separate the receiving cavity into a first cavity and a second cavity that are not connected to each other. The handle cooperates with the first cavity. When the detection mechanism punctures the sealing body, the first cavity and the second cavity are connected to each other.

8. The detection device according to claim 7, characterized in that The receiving mechanism also includes an isolating member, which is located in the receiving cavity and protrudes from the receiving member. A through hole is provided on the isolating member, and the diameter of the through hole is smaller than the diameter of the receiving cavity. The through hole is located between the first cavity and the second cavity; when the second sealing member abuts against the inner wall surface of the through hole, the first cavity and the second cavity are not connected to each other; when the second sealing member is located in the first cavity or the second cavity, the first cavity is connected to the second cavity through the through hole.

9. The detection device according to claim 1, characterized in that The end of the sampling unit away from the handle is a tip with spikes, and a brush is provided at a position of the sampling unit close to the tip.

10. The detection device according to claim 1, characterized in that: Also includes at least one of the following options: The housing includes a housing body and a baffle, wherein the housing body encloses the accommodating cavity, the baffle protrudes from the housing body and separates the detection cavity into a detection space and a buffer space, and the detection mechanism extends into the detection space; From an end of the bottom wall of the detection cavity close to the detection mechanism to an end away from the detection mechanism, the distance between the bottom wall and the receiving mechanism along the axial direction of the shell increases, so that the bottom wall is arranged at an acute angle to the axial direction of the shell and is in an inclined state; The shell includes a shell body and two positioning plates. The shell body surrounds the accommodating cavity. The two positioning plates are protrudingly arranged on the shell body and located in the accommodating cavity. A positioning groove for accommodating the detection mechanism is formed between the two positioning plates. The shell body has a transparent perspective window at the position of the positioning groove.

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