CN218152490U - Valve and kit - Google Patents

Abstract

The utility model discloses a valve and kit, this valve include valve body and a plurality of case. The valve body is provided with a plurality of main flow channels which penetrate through the valve body and are sequentially spaced along the length extension direction of the valve body, and the valve body is also provided with a plurality of outflow ports which are respectively communicated with the inner walls of the main flow channels; one end of each valve core is slidably installed in and slidable along a corresponding main flow passage, and the other end of each valve core extends out of the valve body, and the valve core can be used for sealing or opening the flow outlet.

Description

Valve and kit

Technical Field

The utility model relates to a switching device, concretely relates to valve and kit.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, which is a device for enabling or stopping the flow of media (liquid, gas and powder) in pipes and equipment and controlling the flow of the media, is a control part in a pipeline fluid conveying system, is used for changing the flow section of a passage and the flow direction of the media, has the functions of diversion, stopping, throttling, non-return, flow splitting or overflow pressure relief and the like, is used for the fluid control valve, and is a valve body and a valve core of the valve in the market at present, only one device can be controlled by one valve body, and the valve with the valve body matched with various valve cores is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a valve to solve the problem that exists among the above-mentioned prior art.

In order to solve the above problem, according to an aspect of the present invention, there is provided a valve, the valve comprising: the valve comprises a valve body, a plurality of main flow channels, a plurality of flow outlets and a plurality of sealing rings, wherein the main flow channels penetrate through the valve body and are sequentially spaced along the length extending direction of the valve body;

a plurality of spools, each of the spools slidably mounted in a corresponding one of the primary flow passages, the spools operable to seal or open the flow outlet.

In one embodiment, each of the main flow passages has at least a first section flow passage and a second section flow passage along an axial direction thereof, wherein an inner diameter of the first section flow passage is smaller than an inner diameter of the second section flow passage, the outflow port communicates with the first section flow passage, and the valve element is slidable between the first section flow passage and the second section flow passage.

In one embodiment, one end of the valve core is slidably installed in the main flow passage and is operable to seal or open the flow outlet, and the other end of the valve core extends out of the valve body.

In one embodiment, one end of the valve core is provided with a sealing head, and the outer diameter of the sealing head is larger than the inner diameter of the second section of flow passage.

In one embodiment, the periphery of the sealing head is also provided with a sealing gasket.

In one embodiment, the valve core is in a rod shape and at least comprises a first section core body and a second section core body, the second section core body is located on one side, far away from the second section flow channel, of the sealing head, the outer diameter of the first section core body is larger than that of the second section core body, the outer diameter of the second section core body is smaller than that of the first section flow channel, and the length of the second section core body in the direction of the valve core is larger than the distance from the outflow port to the second section flow channel.

In one embodiment, the valve further comprises a reset member disposed between the first segment core and the valve body and arranged to provide a reset force to the first segment core.

In one embodiment, the valve further includes a limiting member installed inside the valve body, and a space for accommodating the reset member is formed between the limiting member and the inside of the valve body.

In one embodiment, the position-limiting member is annular, and a plurality of valve core holes corresponding to the valve cores are arranged on the position-limiting member.

In one embodiment, a position of the first-section core body between the limiting member and the valve body is further provided with a limiting protrusion protruding from the first-section core body in a radial direction, the diameter of the limiting protrusion is larger than that of the valve core hole, and the limiting protrusion is matched with the limiting member to limit the movement range of the valve core.

In one embodiment, the first section core body is further provided with a recess which is circumferentially recessed towards the first section core body, and the periphery of the recess is further provided with a sealing ring which has an outer diameter slightly larger than the first section flow passage.

In one embodiment, the valve body is annular, the main flow channels are sequentially arranged along the circumferential direction of the valve body, and the limiting member is fixedly connected to the top of the valve body.

In one embodiment, the reset piece is a spring, and the outer diameter of the limiting protrusion is larger than that of the spring.

The utility model discloses still relate to a kit, including foretell valve and mounting disc, the mounting disc has annular main part and runs through a plurality of drainage holes of annular main part lateral part, a plurality of drainage holes are along shown cyclic annular cylinder circumference distribution with spacing each other.

In one embodiment, the kit further comprises a plurality of reagent capsules, the reagent capsules are provided with outlets, and the outlet of each reagent capsule can be communicated with the corresponding drainage hole in a sealing manner.

The utility model discloses a valve is applied to urine and examines appearance, and this urine examines appearance includes the kit, including valve body and a plurality of case, the valve body is cyclic annular, is equipped with a plurality of sprue in, and the kit is installed in the outside drainage hole of valve body and kit and is aimed at the sprue, and the reagent accessible drainage hole in the kit flows in the sprue. The main flow passage communicates with the outflow port, and the plurality of spools are operable to open and close the outflow port, thereby opening or closing the reagent cartridge.

Drawings

Fig. 1 is an exploded view of a urine test device according to an embodiment of the present invention.

Fig. 2a is a perspective view of a kit according to an embodiment of the present invention.

Fig. 2b is an exploded view of the kit according to an embodiment of the present invention.

Fig. 2c is a perspective view of a kit according to another embodiment of the present invention.

Fig. 2d is a perspective view of a mounting plate according to another embodiment of the present invention.

Fig. 3-4 are perspective views of a valve body according to an embodiment of the present invention.

Fig. 5 is a top view of a valve body according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of a valve body of an embodiment of the present invention.

Fig. 7 is a perspective view of a valve cartridge according to an embodiment of the present invention.

Fig. 8 is a sectional view of the valve cartridge opening outlet according to an embodiment of the present invention.

Fig. 9 is a cross-sectional view of the valve cartridge closing the outflow port according to an embodiment of the present invention.

Fig. 10 is a perspective view of a valve according to an embodiment of the present invention.

Fig. 11a is a perspective view of a drive mechanism according to an embodiment of the present invention.

Fig. 11b is a perspective view of a drive mechanism according to another embodiment of the present invention.

Fig. 12 is a perspective view of a drive mechanism coupled to a valve according to an embodiment of the present invention.

Fig. 13a is a perspective view of a flow field plate according to an embodiment of the present invention.

Fig. 13b is a perspective view of a flow field plate according to another embodiment of the present invention.

Fig. 14 is a plan view of a flow field plate according to an embodiment of the present invention.

Fig. 15 is a bottom view of a flow field plate according to an embodiment of the present invention.

Fig. 16 is an exploded view of a flow field plate and test module according to an embodiment of the present invention.

Fig. 17 is a perspective view of a urine analyzer according to an embodiment of the present invention.

Fig. 18 is a perspective view of a urine analyzer according to another embodiment of the present invention.

Fig. 19 is a perspective view of a peristaltic pump in accordance with an embodiment of the present invention.

Fig. 20 is a perspective view of a housing according to an embodiment of the present invention.

Fig. 21 is a perspective view of a waste pipe and housing according to an embodiment of the present invention.

100. A urine detector;

1. a kit; 11. installing a disc; 111. an annular body; 112. a reagent tank; 113. a drainage hole; 114. a shoulder; 115. a connecting portion; 12. a reagent capsule;

2. a valve; 21. a valve body; 211. a main flow passage; 2111. a first section of flow channel; 2112. a second section of flow channel; 212. an outflow port; 213. cleaning the inlet; 214. a sample inlet; 215. a vent; 216. a detection device mounting groove; 2101. the outside of the valve body; 2102. the inner side of the valve body; 22. a valve core; 221. a first section core; 222. a second section of core; 2211. a limiting bulge; 2212. a sealing head; 2213. a seal ring; 2214. a recessed portion; 2201. the inner end of the valve core; 2202. the outer end of the valve core; 23. a reset member; 24. a limiting part;

3. a drive mechanism; 31. a base; 32. a first drive motor; 33. a driving gear; 34. a driven gear; 341. a ring body; 35. a second drive motor; 351. a drive rod;

4. a runner plate; 41. an annular flow passage 411, a first flow passage; 412. a second flow passage; 413. a bent portion; 414. a liquid outlet channel; 415. mounting grooves; 416. a blowdown pipeline; 4161. the included angle between the sewage discharge pipeline and the liquid outlet pipeline; 4162. the included angle between the sewage discharge pipeline and the sewage discharge outlet; 42. testing pits; 43. a step; 44. a seal member;

5. a sampling device; 51. a sampling pipe; 52. a sample container; 6. a pump; 61. an inlet of the pump; 62. an outlet of the pump; 71. a water inlet pipe; 72. a water storage container; 73. a gas path pipeline; 8. a detection module; 81. a light source device; 82. a photosensitive sensor; 9. a control device; 10. a housing; 101. a urine inlet;

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solutions of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrase "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The utility model relates to a urine test instrument 100, as shown in fig. 1, this urine test instrument includes pump 6, sampling device 5, detection device, controlling means 9, valve 2 and actuating mechanism 3. The sampling device 5 is used to collect a sample, such as urine. The outlet of the sampling device 5 is in operable communication with the inlet 61 of the pump. Thus, the sample can be transported to the detection device by the pump 6 for detection. The detection device comprises a kit 1 and a detection module 8. The kit 1 contains various suitable reagents for detecting a sample, for example, urine, including but not limited to reagents used in conventional detection, such as alkalinity uric acid (pH), urine white blood cells (WBC/LEU), urine Nitrite (NIT), urine Protein (PRO), glucose (GLU), urobilin (URO/UBG), ketone bodies (KET), occult Blood (BLU), bilirubin (BIL), ascorbic acid (VC), salts, creatinine (CrE), reagents applicable to tumor markers, such as alpha-fetoprotein, carcinoembryonic antigen, albumin, urine β 2-microglobulin, etc., reagents for detecting microorganisms, such as nicotine, ethanol, vitamin C, etc.

The detection module 8 is used for detecting a sample, such as urine, to obtain a human-related parameter. The valve 2 is used for controlling the opening and closing of various reagent kits 1. The driving mechanism 3 is used for driving the valve core 22 corresponding to the valve 2 to open or close the valve 2, so as to open the reagent box 1 to release the reagent, or close the reagent box 1; the detection module 8 comprises a flow channel plate 4, and the flow channel plate 4 is matched with the valve 2 to receive urine in the reagent kit 1. The control device 9 is used for controlling the operation of the whole urine test instrument 100, is electrically connected with the pump 6, the driving mechanism 3 and the detection device, and can control the operation of the pump 6, the driving mechanism 3 and the detection device. The parts of the urine test device will be described in detail below.

The reagent kit 1 comprises a mounting disc 11 and a plurality of reagent capsules 12, wherein the mounting disc 11 is provided with an annular main body 111 and a plurality of drainage holes 113 penetrating through the side part of the annular main body 111, and the plurality of drainage holes 113 are distributed along the circumference of the annular main body 111 at intervals; the outlet of the reagent capsule 12 can be in close communication with the corresponding drainage hole 113. The annular main body 111 of the mounting disk 11 may be a closed ring or an open ring, and the size and shape of the ring are not limited and can be adjusted. In the embodiment shown in fig. 2a and 2b, the annular body 111 is an arc of an unclosed segment, and it is understood that the size of the arc of the unclosed annular body 111 is not limited by fig. 2 b. The top of the ring-shaped body 111 is provided with a connection portion 115 extending circumferentially towards the centre of the ring-shaped body, the connection portion 115 being used for connecting other components, such as the valve 2 of the urine analyzer.

In one embodiment, the annular body 111 is provided with a plurality of reagent grooves 112 distributed along the circumference thereof and spaced apart from each other, the reagent grooves 112 are gradually reduced in inner space from the bottom to the top, and the annular body 111 is gradually reduced in inner diameter from the bottom to the top. As shown in fig. 2b, a side of the annular body 111 away from the center of the annular body 111 is defined as an outer side of the annular body 111, a side of the annular body 111 close to the center is defined as an inner side of the annular body 111, and a plurality of reagent grooves 112 are distributed at intervals on the outer side of the annular body 111, and the reagent grooves 112 open toward the outer side of the annular body 111 and open upward, it can be understood that the size and direction of the opening of the reagent grooves 112 can be adjusted without being limited by fig. 2a and 2 b. In addition, the number, size and spacing distance of the reagent vessels 112 can be adjusted as required, and in the embodiment shown in fig. 2b, a plurality of reagent vessels 112 are uniformly distributed outside the annular body 111. The drainage hole 113 is disposed inside the reagent tank 112 and penetrates through the inner side of the annular main body 111 to facilitate the outflow of the reagent, and the drainage hole 113 may be disposed at any position of the inner wall of the reagent tank 112, preferably near the bottom or middle of the annular main body 111 to facilitate the outflow of the reagent.

The reagent tank 112 may also be designed as a device for directly containing a reagent, for example, the opening of the reagent tank 112 is directly covered with a silica gel in a closed manner and is provided with an opening which can be opened, the reagent can be directly put into the reagent tank 112, a corresponding detachable reagent capsule 12 can be installed in each reagent tank 112, the reagent can be directly stored in the reagent capsule 12, the reagent capsule 12 is installed in the reagent tank 112, and the reagent capsule 12 is removed and updated after use, it can be understood that the reagent capsule 12 can be detachably installed in the reagent tank 112 by a magnetic attraction manner, for example, the reagent capsule 12 and the reagent tank 112 are both installed with a magnet or one of them is installed with a magnet and the other is installed with an iron sheet, and the magnet or the sheet can be installed at any position of the inner wall or two side portions of the reagent tank 112. The reagent capsule 12 can also be detachably mounted in the reagent tank 112 by other methods, for example, a plurality of clamping blocks are arranged on the reagent capsule 12, a plurality of clamping grooves matched with the clamping blocks are arranged in the reagent tank 112, and the reagent capsule 12 can be detachably clamped and inserted into the reagent tank 112.

The reagent capsules 12 are provided with outlets, each reagent capsule 12 is installed in the corresponding reagent groove 112 and the outlet thereof is communicated with the corresponding drainage hole 113, and the reagent can flow out through the drainage holes 113 of the reagent grooves 112 through the outlet of the reagent capsule 12. As shown in FIG. 2b, a shoulder 114 is provided in each reagent groove 112 to facilitate mounting of the reagent capsule 12, the reagent capsule 12 is sized and shaped to fit the reagent groove 112, the drainage hole 113 is provided on the inner wall of the reagent groove 112 at the upper portion of the shoulder 114, and the outlet of the reagent capsule 12 is provided at a corresponding position to fit the drainage hole 113. It is understood that the reagent capsule 12 may be disposable, and may be designed to be reusable, and the whole reagent capsule 12 may be made of soft material, such as silica gel, or soft material may be used on the side away from the inner wall of the reagent tank 112 to facilitate the reagent in the reagent tank 112 to be sucked out.

Further, the reagent kit 1 further comprises a sealing member located between the reagent capsule 12 and the reagent groove 112, and the sealing member is provided with a through hole communicated with the drainage hole 113. It is understood that the sealing member is disposed on the inner wall of the reagent tank 112, and preferably covers the entire inner wall, in order to make the connection between the reagent capsule 12 and the reagent tank 112 more tight, the sealing member is made of an elastic material, preferably a silica gel material, such as a silica gel pad, so that the reagent capsule 12 is compressed by an external force to make the gap between the sealing member and the inner wall of the reagent capsule 12 and the reagent tank 112 smaller, and the sealing effect can be better achieved. It will be appreciated that the through-hole of the sealing member is slightly larger than the outlet of the reagent capsule 12, in the direction that the sealing member is compressed to press the through-hole and block the outlet of the reagent capsule 12.

In another embodiment, the drainage holes 113 can directly communicate with the outlet of the reagent capsule 12 without providing the reagent groove 112, as shown in fig. 2c, the annular body 111 is also provided with a plurality of drainage holes 113, the outlet of the reagent capsule 12 is directly communicated with the drainage holes 113, it can be understood that the reagent capsule 12 can be detachably connected with the drainage holes 113 in various ways, such as the outlet of the reagent capsule 12 extends to the outer circumferential end to form a connecting pipe, the connecting pipe can be tightly inserted into the drainage holes 113, and the mounting plate 11 is made of a rigid material, such as plastic or ceramic; the reagent capsule 12 and the connecting pipe have elasticity and the shape thereof is slightly larger than the diameter of the drainage hole 113, the connecting pipe can be made of silica gel material, and the connecting pipe can be installed in the drainage hole 113 by compressing the connecting pipe by applying external force. Can also set up the screw thread in the drainage hole 113, the periphery of connecting pipe sets up the screw thread, and the connecting pipe is hard material, can twist the connecting pipe rotation into in the drainage hole 113.

Further, the annular body 11 may be formed in a cylindrical shape having a bottom and a top with an inner diameter identical to each other, or in other irregular shapes, as shown in fig. 2c and 2d, the bottom and the top of the annular body 11 have an inner diameter identical to each other, one end of the ring drainage hole 113 is directly formed at the side of the annular body 11, and the other end is formed at the inner side of the annular body.

The valve 2 includes a valve body 21 and a plurality of spools 22. The valve body 21 is provided with a plurality of main flow channels 211 which penetrate through the valve body 21 and are sequentially spaced along the length extending direction of the valve body 21, the valve body 21 is also provided with a plurality of outflow ports 212, and the outflow ports 212 are respectively communicated with the inner walls of the main flow channels 211; one end of each of the spools 22 is slidably installed in a corresponding one of the main flow passages 211 and is slidable along the main flow passage 211, and the other end thereof protrudes out of the valve body 21, and the spool 22 is operable to seal or open the outlet port 212. In one embodiment, the drive mechanism 3 is disposed within a ring of the valve body 21 and drives movement of the poppet 22, as described in more detail below.

The valve body 21 may extend in the same direction to form a bar-shaped body, or may be in an irregular shape, preferably a regular shape, such as a rectangular parallelepiped or a ring shape, in the embodiment of fig. 3-6, the valve body 21 is in a ring shape, and defines one side of the valve body 21 close to the center of the ring shape as an inner side 2102 of the valve body, one side of the valve body 21 far from the center is an outer side 2101 of the valve body, a plurality of main flow passages 211 are arranged in sequence along the circumference of the valve body 21, one end of the main flow passage 211 faces the inner side 2102 of the valve body, and the other end thereof leads to the outer side 2101 of the valve body.

Further, the outer side 2101 of the valve body tapers radially from bottom to top such that the outer side 2101 of the valve body forms an annular inclined surface to mate the main flow passage 211 with other device openings.

In one embodiment, the outer portion of the valve body 21 fits the reagent cartridge 1, the outer side 2101 of the valve body fits the inner side of the annular main body 111 of the mounting plate 11, the main flow channel 211 fits the drainage hole 113 on the reagent cartridge 1 to facilitate the outflow of the reagents in the reagent cartridge 1, and the valve core 22 opens or closes the outflow port 212 to facilitate the outflow of the reagents in the reagent cartridge 1.

In another embodiment, when valve body 21 is desired to mate with mounting plate 11 of FIGS. 2c and 2d, valve body outer 2101 may also be cylindrical, and the shape of valve body outer 2101 is not limited by FIGS. 3-6, i.e., different devices may be desired to match, and valve body outer 2101 may be designed in different shapes.

Further, a seal may be provided between the outer side 2101 of the valve body and the inner side of the annular body 111 to increase the inner side sealing connection of the valve body 21 and the annular body of the mounting plate 11. The sealing gasket is also annular, and the shape of the sealing gasket is matched with the inner side of the kit 1 and the outer side 2101 of the valve body; be equipped with a plurality of through-holes that cooperate drainage hole 113 or sprue 211 on the sealed pad, sealed pad preferred silica gel pad.

Further, one end of the outflow port 212 is disposed on the inner wall of the main flow passage 211, the other end is disposed at the bottom of the valve body 21, the flow passage plate 4 is mounted at the lower end of the valve body 21, the flow passage plate 4 is provided with an annular flow passage 41, the other end of the outflow port 212 is located at the upper end of the annular flow passage 41, and the liquid of the valve body 21 can directly flow into the annular flow passage 41 through the outflow port 212.

Furthermore, the valve body 21 is further provided with a cleaning inlet 213, a sample inlet 214 and a vent 215, wherein one end of the cleaning inlet 213, one end of the sample inlet 214 and one end of the vent 215 are also arranged at the outer side 2101 of the valve body, and the other end of the cleaning inlet 213, one end of the sample inlet 214 and the other end of the vent 215 are opened towards the bottom of the valve body 21 and are matched with the annular flow channel 41 of the flow channel plate 4.

Furthermore, control valves may be further disposed in the purge inlet 213, the sample inlet 214 and the vent 215, the control valves are communicated with the control device 9 and can open or close the purge inlet 213, the sample inlet 214 and the vent 215, preferably, the control valves of the purge inlet 213 and the sample inlet 214 may be one-way valves, which only allow water and sample to enter the annular flow channel 41 through the purge inlet 213 and the sample inlet 214 and limit reverse outflow. When the valve body 21 is mounted to the urine test device 100 for use, the control valve of the vent 215 may not be a one-way valve, as will be described in detail below.

Further, the top of the valve body 21 is also provided with a sensing device mounting groove 216 to mount a sensing device. The detection device mounting grooves 216 are channels extending from the top to the bottom of the valve body 21, and the shapes and the number of the detection device mounting grooves can be adjusted according to the number of the detection devices, and in the embodiment shown in fig. 3 to 5, three detection device mounting grooves 216 are formed in the valve body 21 and are square.

The shape of the main flow passage 211 may be a cylinder or other shape uniform along the length direction, such as a uniform cylinder with a square or polygonal cross section, the shape of the valve core 22 is closely matched with the valve body 21 and can slide in the valve body 21, and the valve 2 is closed when one end of the valve core 22 slides to the outlet 212 and covers the outlet 212; when one end of the valve body 22 is away from the outlet port 212, the valve 2 is opened, and the liquid can flow into the valve body 21 through the main flow passage 211 of the outer side 2101 of the valve body and flow through the outlet port 212. In the embodiment of fig. 3, the main flow passage 211 has two sections of cylindrical passages with different inner diameters, the main flow passage 211 at least has a first section flow passage 2111 and a second section flow passage 2112 along the axial direction thereof, the inner diameter of the first section flow passage 2111 is smaller than that of the second section flow passage 2112, the outflow port 212 communicates with the first section flow passage 2111, the other end extends to the bottom of the valve body 21 and is aligned with the position of the annular flow passage 41, and the valve core 22 is slidable between the first section flow passage 2111 and the second section flow passage 2112 and can open or close the outflow port 212.

The valve core 22 is rod-shaped and has a shape matching the main flow passage 211 and can slide in the main flow passage 211, the valve core 22 can be driven to seal or open the outlet 212 by applying external force, for example, one end of the valve core 22 can be driven to cover the outlet 212, when the outlet 212 needs to be opened, the valve core 22 can be driven to be far away from the outlet 212 by applying external force, the valve core 22 can control the outlet 212 in various embodiments, for example, a sealing head 2212 can be arranged at one end of the valve core 22, the outer diameter of the sealing head 2212 is larger than the inner diameter of the second section of the flow passage 2112, and the sealing head 2212 can be opened or the outlet 212 can be sealed by moving the valve core 22.

The shape of the valve core 22 can be various, such as a column or a cube, in the embodiment shown in fig. 7-9, the valve core 22 is a cylindrical rod and has at least a first section core 221 and a second section core 222, the second section core 222 is located on the side of the sealing head 2212 far away from the second section flow passage 2112, the outer diameter of the first section core 221 is larger than the outer diameter of the second section core 222, the outer diameter of the second section core 222 is smaller than the inner diameter of the first section flow passage 2111, the length of the second section core 222 along the direction of the valve core 22 is larger than the distance from the flow outlet 212 to the second section flow passage 2112, the sealing head 2212 can be far away from or cover the flow outlet 212 by moving the valve core 22, and one end of the second section core 222 is located in the second section flow passage 2112, and the other end is located in the flow outlet 212, and since the diameter of the second section core 222 is smaller than that of the first section flow passage 2111, the fluid can flow into the flow outlet 212 through the second section flow passage 2112 and the second section core 222. Specifically, the end part close to the second section of flow channel 2112 is defined as an inner end 2201 of the valve core, the other end is defined as an outer end 2202 of the valve core, the second section of core body 222 is arranged at the end part close to the inner end 2201 of the valve core, when external force is applied to the first section of core body 221 to move towards the outer side direction of the valve body 21, one end of the second section of core body 222 can be located in the second section of flow channel 2112, and the other end of the second section of core body can be located at the position of the outflow port 212 of the first section of flow channel 2111, and since the outer diameter of the second section of core body 222 is smaller than that of the second section of flow channel 2112, fluid can flow into the outflow port 212 through the second section of core body 222; when the first-stage core 221 is also forced to move toward the center of the valve body 21, the inner end of the second-stage core 222 is positioned in the first-stage flow passage 2111, and the outflow port 212 is sealed.

Further, a sealing ring 2213 is further disposed on the periphery of the sealing head 2212, the diameter of the sealing head 2212 may be set to be smaller than that of the first segment of the core body 221, the sealing ring 2213 may be annular and is directly sleeved on the sealing head 222, the diameter of the periphery of the sealing ring 2213 is larger than that of the first segment of the flow passage 2111 and has elasticity, and the valve core 22 is moved so that one end of the sealing ring 2213 covers the first segment of the flow passage 2111. Further, the outer periphery of the gasket may be configured to increase gradually in the direction of the second core 222 toward the second flow passage 2111, i.e., the diameter of the end of the sealing ring 2213 near the first flow passage 2111 is close to the diameter of the first flow passage 2112, and moving the spool 22 may cause the end of the sealing ring 2213 to snap into the first flow passage 2111 to seal the first flow passage 2111 and the outflow port 212.

Optionally, a sealing ring with elasticity may be further disposed on the first segment of the valve core 221 away from the second segment of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, a recessed portion 2214 recessed along the circumferential direction of the valve core 22 is disposed on the first segment of the valve core 221, and a sealing ring may be disposed in the circumferential direction of the recessed portion 2214, and has a diameter slightly larger than that of the first segment of the flow passage 2111 and elasticity to prevent the fluid from flowing out through the first segment of the flow passage 2111.

The valve 2 further comprises a reset member 23, as shown in fig. 8-9, the reset member 23 being disposed between the first segment core 22 and the valve body 21 and arranged to provide a reset force to the first segment core 221. It is understood that the restoring force may be a pushing force for pushing the valve plug 22 away from the valve body 21, or a pulling force for driving the valve plug 22 close to the valve body 21, and may be designed differently according to the operation principle of the valve 2. In the embodiment shown in fig. 8 and 9, the restoring member 23 is disposed between the first segment core 221 and the valve body 21 and has a pushing force that pushes the first segment core 221 away from the valve body 21. The reset member 23 is preferably a spring, and an external force is applied to the valve core 22 to compress the spring, so that the inner end 2201 and the sealing head 2212 of the valve core are positioned in the second section of the flow passage 2112, so that one end of the second section of the core 222 is positioned in the second section of the flow passage 2112, the other end of the second section of the core is positioned in the outflow port 212 of the first section of the flow passage 2111, the outflow port 212 is opened, the external force is withdrawn, the spring can drive the inner end 2201 and the sealing head 2212 of the valve core to move towards the first section of the flow passage 2111, so that the sealing head 2212 blocks the first section of the flow passage 2111, and the outflow port 212 is closed.

Further, still be equipped with spacing arch 2211 on first section case 221, specifically, spacing arch 2211 sets up in the outside 2101 of case, and the one end of spring can fix and set up on spacing arch 2211, and the other end is fixed and is set up in the inboard 2102 of valve body, can also set up the spring both ends movably between the inboard 2102 of valve body and spacing arch 2211, only need guarantee that the external diameter of spring is less than the external diameter of spacing arch 22111 in order to prevent that first section core 221 from inserting inside the spring. It is understood that the reset member 23 can also be provided in other manners, such as providing a magnetic strip inside the valve body 21, and providing a magnet or a patch on the limit protrusion 2211 that is attracted to the magnetic strip of the valve body 21, which can also have an attraction or repulsion effect.

Further, the valve 2 further includes a limiting member 24, the limiting member 24 is disposed outside the first segment of the core body 221, and the limiting member 24 can limit the distance that the resetting member 23 pushes the valve core 22 to move, and make the inner end 2201 of the valve core be located between the outlet port 212 and the second segment of the flow passage 2112 to close the outlet port 212. In the embodiment shown in fig. 3 to 10, the valve body 21 is ring-shaped, the limiting member 24 is also ring-shaped, and the limiting member 24 is fixedly connected to the inner side 2102 of the valve body, and a space for accommodating the reset member 23 is formed between the inner side 2102 of the valve body and the limiting member 24. Specifically, the top of the valve body 21 circumferentially extends a certain distance toward the center of the valve body 21, the top of the stopper 24 also circumferentially extends toward the valve body 21 and is connected to the top of the valve body 21, and the reset piece 23 is mounted at the lower end of the top of the valve body 21 extending toward the valve core 22. It can be understood that the position-limiting member 24 is provided with a plurality of valve core holes matching the size of the first segment of the valve core 221 so that the outer end 2202 of the valve core can extend out of the position-limiting member 24, and external force can be applied to the outer end 2202 of the valve core to push the valve core 22 to move.

Optionally, a sealing ring with elasticity may be further disposed on the first segment of the valve core 221 away from the second segment of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, a recessed portion 2214 recessed along the circumferential direction of the valve core 22 is disposed on the first segment of the valve core 221 between the second segment of the valve core 22 and the limiting protrusion 2211, and a sealing ring may be disposed in the circumferential direction of the recessed portion 2214, and has a diameter slightly larger than that of the first segment of the flow passage 2111 and elasticity to prevent the fluid from flowing out through the first segment of the flow passage 2111.

Alternatively, a drive mechanism 3 may be provided in the center of the valve body 21 to drive the movement of the valve plug 22, as will be described in detail below.

The driving mechanism 3 comprises a base 31, a first driving motor 32, a driving gear 33, a driven gear 34 and a second driving motor 35; the driving gear 33 is connected to an output shaft of the first driving motor 32; a driven gear 34 rotatably connected to the base 31 and engaged with the driving gear 33; the second driving motor 35 is fixedly connected to the driven gear 34, and an output shaft of the second driving motor 35 extends in a radial direction of the driven gear 34 and is operable to telescope in the radial direction of the driven gear 34. The driving gear 33 is driven by the first driving motor 32 to rotate, the driving gear 33 drives the driven gear 34 to rotate, so that the position of the second driving motor 35 continuously moves, and further, different external components are driven to move, in one embodiment, the driving mechanism 3 is disposed at the center of the valve body 21, and the second driving motor 35 continuously rotates, so that different valve cores 22 are driven to move.

As shown in fig. 10 to 12, the driven gear 34 has a circular ring main body 341, and defines one side of the circular ring main body 341 close to the center as the inner side of the circular ring main body 341, one side far from the center of the circular ring main body 341 as the outer side of the circular ring main body 341, the upper end of the circular ring main body 341 is a top, and the lower end thereof is a bottom; the teeth of the driven gear 34 are distributed along the top circumference of the circular ring main body 341, the driving gear 33 is disposed at the top end of the top of the circular ring main body 341 and rotates along the top perpendicular to the circular ring main body 341, and the teeth of the driving gear 33 are perpendicular to the teeth of the driven gear 34 and disposed at the upper end of the teeth of the driven gear 34. Specifically, the driving gear 33 rotates in the vertical direction, and the driven gear 34 rotates along the base 31.

Alternatively, the driven gear 34 may be disposed outside the circular ring body 341, the driving gear 33 is disposed to rotate in a horizontal direction matching with the driven gear 34, and the driving gear 33 may also drive the driven gear 34 to rotate along the base 31. It can be understood that the driven gear 34 may also be disposed at the bottom of the circular ring main body 341, the driving gear 33 may be disposed at the bottom of the corresponding circular ring main body 341, the disposed position of the driven gear 34 is not limited, and may be disposed at the circumferential direction of the top or other positions at the top, or may be disposed at any position of the upper end or the lower end outside the circular ring main body 341, and it is only necessary to rotate the driven gear 34 along the base 31 to drive the second driving motor 35 to move.

Second driving motor 35 sets up on ring main body 341 and moves along with ring main body 341's rotation, ring main body 341's the outside is equipped with inside sunken drive groove, second driving motor 35 sets up in the drive groove, the shape of drive groove is unrestricted, in the embodiment shown in fig. 11a, the drive groove is circular shape recess, in the embodiment shown in fig. 11b, be equipped with the installation department on the second driving motor 35, the shape of installation department sets up in the one side that is close to ring main body 341 for the rhombus, the both sides of installation department are equipped with the screw hole, the recess of drive groove matching installation department is in order to make things convenient for the installation department to install into the drive groove, the cross-section is the recess of rhombus promptly, can will install in the drive groove through the bolt. The output shaft of the second driving motor 35 is disposed toward the outer side of the circular ring main body 341, and the second driving motor 35 can drive the output shaft to extend and retract outside the circular ring main body 341. It is understood that the position of the second driving motor 35 can be adjusted according to the requirement, such as being disposed at any position outside the circular ring main body 341 or at the bottom of the circular ring main body 341. Optionally, the driving groove is disposed at a position close to the top of the outer side of the circular ring main body 341, the upper end of the driving groove separates the driven gear 34 at the top of the circular ring main body 341, a gap is formed at the top of the driving groove by the teeth of the driven gear 34, so that the moving direction of the driving gear 33 driven by the first driving motor 32 is continuously changed, the moving direction of the driven gear 34 is also continuously changed, and the clockwise rotation returns to the gap again. In addition, the number of the second driving motors 35 can also be adjusted, a plurality of second driving motors 35 can be simultaneously arranged on the ring main body 341, and each second driving motor 35 drives different components to move.

An output shaft of the second driving motor 35 is a driving rod 351, and one end of the driving rod 351 far away from the second driving motor 35 is in an arc shape. It will be appreciated that the shape and size of the drive rod 351 may be adjusted according to the components that need to be driven, without limitation.

The driving mechanism 3 is disposed in the valve 2, as shown in fig. 12, the first driving motor 32 is fixed on the top of the valve body 21, the base 31 is disposed in the center of the ring of the valve body 21, the driven gear 34 is disposed in the ring of the valve body 21 and the reset member 23, the output shaft of the second driving motor 35 is disposed in a shape matching with the valve core 22, the output shaft of the second driving motor 35 is disposed at the other end of the valve core 22 and can drive the valve core 22 to seal or open the outlet 212, and the second driving motor 35 can drive different valve cores 22 to move by continuously rotating the driven gear 34, thereby opening or closing the valve core 22.

Further, the second driving motor 35 is configured to drive the spool 22 to move to the second section core 222, wherein one end of the second section core is located in the second section flow passage 2112, and the other end is located in the outflow port 212, it can be understood that the telescopic displacement of the output shaft of the second driving motor 35 can be adjusted according to the positions of the spool 22 and the outflow port 212, and it is only required to ensure that the spool 22 opens and closes the outflow port 212.

Further, the second driving motor 35 is configured to drive the first core 221 to compress the spring and move toward the valve body 21, and the driving force of the second driving motor 35 is greater than the pushing force of the spring, so that the valve core 22 compresses the spring and moves.

Alternatively, when a plurality of second driving motors 35 are provided on the ring main body 111, a plurality of valve elements 22 may be simultaneously driven to be opened or closed.

The flow channel plate 4 is ring-shaped, and the top of the flow channel plate 4 is provided with at least one non-closed annular flow channel 41 formed by being recessed downwards relative to the top surface and at least one test pit 42, and the test pit 42 is communicated with the annular flow channel 41. It is understood that a plurality of annular flow passages may be provided on the flow passage plate 4, different annular flow passages 41 may have different widths and depths to easily accommodate liquids of various concentrations, and in addition, the position of the test pit 42 may be individually communicated with each annular flow passage 41, or a plurality of annular flow passages 41 may be connected with different test pits.

The annular flow channel 41 may be closed, but a barrier member is required to be disposed on the annular flow channel 41 to prevent the liquid from circulating, in the embodiment shown in fig. 13a-16, the annular flow channel 41 is non-closed and includes a first flow channel 411 and a second flow channel 412, the end of the first flow channel 411 is provided with a bent portion 413 bent with a certain curvature, and one end of the second flow channel 412 is communicated with the bent portion 413; the test pit 42 is disposed on the second flow channel 412, and when the liquid flows into the second flow channel 412 through the first flow channel 411, the liquid passes through the bent portion 413, and the bent portion 413 can form a vortex to generate a larger fluidity, so that the liquid can more easily enter the test pit 42, it can be understood that the bent portion 413 can be bent toward the center of the flow channel of the annular flow channel 41, or can be bent toward the center away from the annular flow channel 41, in the embodiment shown in fig. 13-16, the bent portion 413 is bent toward the center near the annular flow channel 41, and the second flow channel 412 deviates from the curvature of the first flow channel 411 and is close to the center of the annular flow channel 41.

Optionally, the top of both sides of the annular flow channel 41 is provided with a step 43 recessed downwards to install the sealing member 44, specifically, the step 43 extends to the top end of the test pit 42 and the outflow channel along the flow channel direction of the annular flow channel 41, the shape of the sealing member 44 and the step matches to the top of the flow channel plate 4, the sealing member 44 can be installed on the step and slightly protrudes from the top of the flow channel plate 4, when the flow channel plate 4 is installed at the lower end of the valve body 21, the sealing member 43 can make the flow channel plate 4 and the valve body 21 tightly fit and make the annular flow channel 41 in a sealing state.

The arc length of the annular flow channel 41 can be adjusted according to requirements, and the width and the depth are preferably 0.5-1.0 mm. In addition, in order to increase the flowing property and cleanability of the annular flow passage 41, a smooth coating, preferably Polytetrafluoroethylene (PTFE), may be provided on the inner wall and the bottom of the annular flow passage 41, in the embodiment of fig. 13 to 16, the annular flow passage 41 extends nearly along the entire flow passage plate 4, one end of the second flow passage 412 is communicated with the bending part 413, the other end is provided with a liquid outlet end, and the liquid outlet end and the end of the first flow passage 411 are blocked to form a non-closed ring. The liquid outlet end is connected to the liquid outlet channel 414 of the flow channel plate 4, and specifically, a bending portion 413 may be disposed between the liquid outlet end and the second flow channel 412 to increase the liquid in the second flow channel 412 to flow into the liquid outlet end, in the embodiment shown in fig. 13, the second flow channel 412 is bent toward the outer side of the flow channel plate 4, and the liquid outlet end is located at an end of the bending portion 413 away from the second flow channel 412.

An inwardly concave liquid outlet channel 414 is disposed on the outer side of the flow channel plate 4, one end of the liquid outlet channel 414 disposed on the outer side of the flow channel plate 4 is a liquid outlet, and the other end is disposed at the bottom of the liquid outlet end and is communicated with the liquid outlet end, in the embodiment shown in fig. 13, the liquid outlet slightly protrudes from the outer side of the flow channel plate 4 and is connected with a sewage conduit 416, and the liquid in the annular flow channel 41 can flow out through the sewage conduit 416. Specifically, one end of the liquid outlet channel 414 is communicated with the annular flow channel 41, the other end is communicated with the sewage draining pipeline 416, an included angle 4161 between the sewage draining pipeline and the liquid outlet channel ranges from 100 degrees to 135 degrees and is connected through an arc pipeline, the arc pipeline can facilitate smooth discharge of sewage in the annular flow channel 41, and pressure accumulation in the liquid outlet channel 414 cannot be caused. The shell 10 is provided with a sewage outlet 102, the sewage outlet 102 is communicated with a sewage pipeline 416, specifically, a plastic pipe 103 is arranged in the sewage outlet 102, the plastic pipe 103 can also be a silicone pipe, the plastic pipe 103 is connected to the sewage outlet 102 in a sealing manner, one end of the plastic pipe extends out of the sewage outlet 102, namely, the shell 10 is outside, the other end of the plastic pipe is communicated with the sewage pipeline 416, and the sewage pipeline 416 can be sleeved outside the plastic pipe 103. Furthermore, the included angle 4162 between the sewage draining pipeline and the sewage draining outlet is also within the range of 100 ° to 135 ° and is connected through an arc pipeline so as to facilitate the sewage in the sewage draining pipeline 416 to smoothly drain out of the casing 10 through the plastic pipe 103, and the whole sewage draining pipeline 416 is an arc-shaped curve and bypasses the annular reagent kit 1, and through the arc shape which is bent for several times, the sewage flows out through the sewage draining pipeline 416.

Further, the sewage draining pipe 416 is circular and has a diameter of preferably 0.5mm, it is understood that the diameter of the sewage draining pipe may be slightly larger or smaller than 0.5mm, and the material of the discharging pipe 416 may be a hose or a rigid material, preferably a silicone tube. The drain 416 also has a smooth coating, preferably polytetrafluoroethylene, disposed therein to facilitate drainage of the waste water. Blowdown pipe 416 detachably connects in casing 10, specifically, is equipped with the buckle on the inferior valve of casing 10, and the buckle includes the snap ring, and blowdown pipe 416 can pass through the snap ring and connect in the inferior valve, can also buckle through the snap ring and be certain shape. It will be appreciated that the waste pipe 416 may also be connected to the lower shell by other means, without limitation.

In another embodiment, a control valve is also provided in the outlet channel 414, which is defined as a third control valve, and the third control valve is a one-way valve to make the liquid in the annular flow passage 41 only flow into the drainage pipe 416 in one direction, and to limit the liquid in the drainage pipe 416 to return to the annular flow passage 41 again, when the urine test apparatus is in a dormant state or is being tested, the control device can control the third control valve to close, on one hand, to make the annular flow passage in a closed space for testing, and on the other hand, to close one end of the outlet channel to prevent the sewage at the drainage outlet on the housing from entering the drainage pipe.

In the embodiment shown in fig. 13a to 16, there may be a plurality of or a single test pits 42, where the number of the test pits 42 is 3, and the test pits 42 are disposed on the second flow channel 412 of the annular flow channel 41 at intervals, the shape of the test pits 42 is not limited, and the size may be adjusted according to the amount of the reagent required for the test, and in addition, the depth of the test pits 42 is not too deep for convenience, preferably 1.0mm, and it can be understood that the test pits need to be slightly deeper than the depth of the annular flow channel, so as to facilitate the collection of the reagent in the test pits for testing.

The bottom of the flow field plate 4 is recessed inward toward the position of the test pit 42 to form a mounting groove 415 for mounting the light source device 81 in the detection device, as shown in fig. 15-16, the mounting groove 415 corresponds to the bottom of the test pit 42 for mounting the photosensitive sensor 82 in the photosensitive detection device 8, the bottom of the test pit 42 needs to be a transparent material, such as transparent glass, and the photosensitive sensor 82 detects the liquid in the test pit 42 through the transparent material. Preferably, the inner diameter of the mounting groove 415 is slightly larger than the inner diameter of the test pit 42 to detect the liquid of the test pit 42 in its entirety. The shape of the mounting groove 415 is not limited and may be adjusted according to the shape of the photosensor 82.

The urine analyzer 100 further comprises a water inlet pipeline 71, the water inlet pipeline 71 also comprises a first section of water inlet pipeline 71 and a second section of water inlet pipeline 71, one end of the first section of water inlet pipeline 71 is connected with the inlet 61 of the peristaltic pump, the other end of the first section of water inlet pipeline 71 can be directly communicated with an external water pipe for receiving clean water, one end of the second section of water inlet pipeline 71 is connected with the outlet 62 of the peristaltic pump, and the other end of the second section of water inlet pipeline 71 is connected with the cleaning inlet 213; further, the urine test instrument 100 further comprises a water storage container 72, and the water storage container 72 is communicated with the first section of water inlet pipe 71 for storing clean water.

The urine analyzer 100 further comprises an air channel 73, the air channel 73 also comprises a first section of air channel 73 and a second section of air channel 73, one end of the first section of air channel 73 is communicated with the outlet 62 of the pump 6, and the other end receives external air; one end of the second segment of the air channel pipeline 73 is communicated with the outlet 62 of the peristaltic pump, and the other end is communicated with the air vent 215.

The pump 6 of the present invention is preferably a peristaltic pump 6, as shown in fig. 17, 18 and 19, the peristaltic pump 6 has an inlet 61 and an outlet 62, and a hose is further disposed inside the peristaltic pump to drive an air or liquid flow passage by squeezing the hose; specifically, a first control valve is arranged upstream of an inlet 61 of the peristaltic pump and is configured to selectively open the sampling pipeline 51, the water inlet pipeline 71 or the air channel pipeline 73, a second control valve is arranged downstream of an outlet 62 of the peristaltic pump and is configured to selectively open the sample inlet 214, the cleaning inlet 213 or the vent 215, specifically, when sampling is required, the first control valve communicates the inlet 61 of the peristaltic pump with the first section of sampling pipeline 51, the second control valve communicates the outlet 62 of the peristaltic pump with the second section of sampling pipeline 51, and at this time, the control device 9 controls the valve of the sample inlet 214 to be opened and controls the valve of the liquid outlet pipeline to be closed; when cleaning is needed, the first control valve switches the inlet 61 of the peristaltic pump to the first section of the water inlet pipeline 71, the second control valve enables the outlet 62 of the peristaltic pump to be communicated with the second section of the water inlet pipeline 71, and the control device 9 controls the valve of the cleaning inlet 213 to be opened and controls the valve of the liquid outlet channel 414 to be closed; when ventilation or air suction is needed, the first control valve communicates the inlet 61 of the peristaltic pump with the first section of the air channel 73, the second control valve communicates the outlet 62 of the peristaltic pump with the outlet 62 of the peristaltic pump, and when air in the flow channel plate 4 needs to be discharged, the valves of the sample inlet 214, the vent 215 and the liquid outlet channel 414 are all closed; when the ventilation is needed to drive the sewage in the runner plate 4 to be discharged, the control device 9 controls the valve of the liquid outlet channel 414 to be opened. Optionally, the first control valve and the second control valve are both solenoid valves.

The urine test apparatus 100 further includes a housing 10, as shown in fig. 20, the housing 10 having a housing space to house the pump 6, the sampling device 5, the detection device, the valve 2, the drive mechanism 3, and the control device 9. Specifically, the housing 10 has an upper shell and a lower shell, the upper shell and the lower shell are detachably and hermetically connected to form a closed space, the lower shell is fixedly arranged on the inner wall of the toilet, the upper shell is provided with at least one urine inlet 101, the urine inlet 101 is communicated with the sampling pipeline 51, and specifically, the urine inlet 101 is communicated with the first section of sampling pipeline 51 to receive urine; the upper shell or the lower shell is also provided with a ventilation inlet and is communicated with a first section of air channel pipeline 73; the housing 10 is further provided with a sewage outlet, which is disposed at the upper portion of the lower housing or at the junction of the upper and lower housings to facilitate passage of a sewage conduit 416.

The urine test instrument 100 further comprises a temperature sensor which is arranged on the shell 10 and electrically connected with the control device 9, specifically, the temperature sensor is arranged inside the upper shell or outside the upper shell to sense the temperature so as to start the urine test instrument 100, preferably, the temperature sensor is arranged outside the upper shell to sense the urine temperature more accurately, the temperature sensor sends a signal to the control device 9, and the control device 9 starts the whole urine test instrument 100 to operate.

The urine detector 100 further comprises an indicator light to display the working state of the urine detector 100, and the indicator light can be one or more, can be arranged on the upper shell or at other positions of the shell 10, and only needs to be ensured to be easily seen.

The control device 9 includes a plurality of circuit boards, which are connected to the pump 6, the first control valve, the second control valve, the third control valve, the temperature sensor, the brightness sensor, the indicator light, the detection device, the drive mechanism 3, and the like, respectively, and can control the operations of these devices. Specifically, urine flows through the upper shell, the temperature sensor senses temperature and sends a signal to the control device 9, the control device 9 controls the driving mechanism 3 to drive the electric core to open the outlet 212, then controls the first control valve and the second control valve to discharge air in the flow channel plate 4 through the air channel pipeline 73, so that the reagent flows into the flow channel plate 4 through the outlet 212, and then controls the pump 6 to drive the air channel pipeline 73 to enter the flow channel plate 4 to drive the reagent to flow into the test pit 42; the control device 9 controls the first control valve and the second control valve to connect the pump 6 to the sampling pipeline 51 and drive urine to enter the test pit 42 of the runner plate 4 through the sampling pipeline 51; the control device 9 starts the detection module 8 to operate; after the test is finished, the control device 9 controls the first control valve and the second control valve to open the water inlet pipeline 71, controls the pump 6 to drive water to enter the runner plate 4 for cleaning, and controls the third control valve to open at the same time so as to facilitate the discharge of the cleaned sewage through the sewage discharge pipeline 416. When the urine test apparatus 100 is started, the control device 9 can control the indicator lamp to be started to display the operation of the whole apparatus.

The detection module 8 is a photosensitive detection device, the photosensitive detection device includes a light source device 81 and a photosensitive sensor 82, the light source device 81 is an LED light, the light source device 81 and the photosensitive sensor 82 are respectively disposed at corresponding positions of the test pit 42 on the flow channel plate 4, specifically, the light source device 81 is disposed in a mounting groove 415 at the bottom of the flow channel plate 4, the top of the mounting groove 415 corresponds to the test pit 42, the top of the mounting groove 415 is made of a transparent material and can transmit light, and the LED light is mounted in the mounting groove 415 to generate a light source to use the photosensitive sensor 82; the photosensitive sensor 82 is arranged in the detection device installation groove 216 of the valve body 21, the valve body 21 is connected behind the runner plate 4, the detection device installation groove 216 is located right at the upper end of the test pit 42 and can receive a light source formed by irradiating the mixed liquid of urine and reagent by an LED for detection, understandably, the LED and the like can also be arranged at the side part of the test pit 42, the photosensitive sensor 82 is arranged at the opposite side part of the test pit 42, the periphery of the side part of the test pit 42 is made of transparent materials, and the photosensitive sensor 82 can also receive the LED light source; the LED light can be arranged at the top of the test pit 42, and the photosensitive sensor 82 is arranged at the bottom of the test pit 42, so that the detection purpose can be realized; the LED, etc. and the photosensitive sensor 82 are positioned in a variety of ways without limitation. It is understood that the light sensor 82 and the LED are connected to the external device and control device 9, after urine and reagent flow in the test pit 42, the control device 9 controls the LED and the light sensor 82 to be turned on, and after the detection is finished, the control device 9 controls the LED and the light sensor 82 to be turned off and transmits data to the external device.

The sampling device 5 comprises a sampling pipeline 51, the sampling pipeline 51 is divided into a first section of sampling pipeline 51 and a second section of sampling pipeline 51, wherein one end of the first section of sampling pipeline 51 is communicated with an inlet 61 of the peristaltic pump, and the other end of the first section of sampling pipeline 51 is used for receiving urine; one end of the second section of sampling pipeline 51 is communicated with the outlet 62 of the peristaltic pump, and the other end is communicated with the sample inlet 214 of the valve body 21; the peristaltic pump 6 forms negative pressure in the sampling pipeline 51 through exhaust so as to absorb urine to enter the first section of sampling pipeline 51, and can drive the receiving of the urine and additionally drive the urine to enter the second section of sampling pipeline 51 to enter the annular flow channel 41 through the sample inlet 214.

Further, the sampling device 5 further comprises a sample container 52, the sample container 52 is communicated with the first section of sampling pipeline 51, and the driving pump 6 can drive urine to flow into the sample container 52 first and then drive quantitative urine to flow into the annular channel; optionally, a filter is provided in the sample container 52, and urine is filtered into the sample container 52 to prevent other solid materials from entering the annular flow passage 41 and interfering with the test.

In the embodiment shown in fig. 17 and 18, the reagent cartridge 1 of the urine test apparatus 100 is ring-shaped, the valve 2 and the driving mechanism 3 are sequentially installed in the ring of the reagent cartridge 1, wherein the valve body 21 is installed in the inner ring of the ring-shaped main body, the valve core 22 is installed in the main flow passage 211 of the valve body 21, the outer end 2202 of the valve core extends out of the inner side 2102 of the valve body located in the valve body with the valve body 21, the driving mechanism 3 is installed in the ring of the valve body 21, wherein the first driving motor 32 is installed on the top of the valve body 21, the driven gear 34 and the second driving motor 35 are installed on the center of the valve body 21, and the driving rod 351 of the second driving motor 35 can drive the valve core 22 to move, specifically, the first driving motor 32 drives the driving gear 33 and drives the driven gear 34 to rotate, the first driving motor 32 is set to rotate at a certain angle and stay for a certain time, it can be understood that the angle of rotation and the stay position are matched with the distance of each valve core 22, and the stay time needs to be designed according to the outflow amount and outflow speed of the reagent in the second driving motor 35 and the reagent cartridge 1. When the output shaft of the second driving mechanism 3 rotates to the valve core 22 corresponding to the reagent capsule 12 to be opened along with the driven gear 34, the second driving mechanism 3 drives the output shaft to extend out of the driven gear 34 and push the valve core 22 to move towards the valve body 21, it can be understood that the telescopic length of the output shaft also needs to be determined according to the positions of the second section core 222 and the outflow port 212 of the valve core 22, it needs to be ensured that one end of the second section core 222 of the valve core 22 is located in the second section flow channel 2112, the other end is located in the outflow port 212, after the reagent of the reagent kit 1 flows out through the outflow port 212, the second driving motor 35 retracts, the resetting piece 23 drives the valve core 22 to move towards the direction away from the valve body 21, the inner end 2201 of the valve core blocks the first section flow channel 2111 and the outflow port 212, and the outflow port 212 is closed.

The bottom of flow channel plate 4 installation and valve body 21, flow channel plate 4 and valve body 21 closely cooperate, can understand, can weld flow channel plate 4 or screwed connection and valve body 21 on, also can pass through other modes fixed connection, the connected mode is unrestricted, only need guarantee flow channel plate 4 the top with valve body 21 closed be connected can, in the embodiment of fig. 17, flow channel plate 4 valve body 21 passes through screwed connection. The valve body 21 is provided with a plurality of outflow ports 212, one ends of the outflow ports 212 are respectively communicated with the inner walls of the main flow channels 211, the other ends of the outflow ports correspond to the annular flow channel 41 of the flow channel plate 4 at the bottom of the valve body 21, the valve body 21 is further provided with a cleaning inlet 213, a sample inlet 214 and a vent 215 which are communicated with the annular flow channel 41, wherein urine can flow into the annular flow channel 41 through the sample inlet 214, clean water can flow into the annular flow channel 41 through the cleaning inlet 213, and air enters the annular flow channel 41 through the vent 215.

The reagent in the reagent kit 1 can flow into the annular channel 41 through the main flow channel 211 of the valve body 21 and the outflow port 212, because the flow channel plate 4 is connected with the valve body 21 in a closed manner, the valve body 21 is also connected with the mounting plate 11 in a closed manner, after the valve core 22 is driven by the driving mechanism 3 to open the outflow port 212, the air in the annular track is sucked away by the pump 6 through the vent 215, so that negative pressure states are formed in the annular track 41 and the second section flow channel 2112, and the reagent in the reagent kit 1 can be sucked into the annular track under the influence of the negative pressure, so that the cleaning inlet 213, the sample inlet 214 and the liquid outlet channel 414 are closed at this time, and only the vent 215 is left to be opened to discharge the air in the annular channel 41. Valves, which may be control valves or other valves, are disposed in the sample inlet 214, the cleaning inlet 213, the vent 215 and the liquid outlet channel 414, and are connected to the control device 9 and controlled by the control device 9 to operate, for example, when urine needs to be input into the annular flow channel 41, the valve of the sample inlet 214 is opened, the valves of the cleaning inlet 213 and the vent 215 may be opened or closed without being affected, and the valve of the liquid outlet channel 414 must be in a closed state to prevent the liquid from directly flowing out without passing a test; liquid enters the annular flow channel 41, the air inlet 215 is opened to input air to drive urine to flow into the test pit 42, and the cleaning inlet 213 and the sample inlet 214 also need to be closed; after the cleaning is needed, the cleaning inlet 213 is opened, the liquid outlet channel 414 is also opened, and the water enters the annular flow channel 41 and flows out of the whole device through the liquid outlet channel 414 for cleaning.

In the embodiment of fig. 18, the difference is that in 17 the reagent capsule 12 is directly connected to the outflow 113, the annular body 111 of the mounting plate 11 is cylindrical, as in fig. 2d, and the other operating principle is the same as in fig. 17.

The utility model discloses still relate to a urine test method, this urine test method step includes:

s1, the temperature sensor senses the urine temperature and sends a signal to the control device 9, and the urine test instrument 100 is started.

S2, the control device 9 controls the first control valve and the second control valve to enable the air channel 73 to be communicated with the pump 6, controls the third control valve to close the sewage discharge pipeline 416, and drives the air channel 73 to suck air in the annular channel by the pump 6 and enable the annular channel to form a negative pressure state; the control device 9 controls the driving mechanism 3 to drive the valve core 22 to open the outlet 212, and air and liquid in the reagent cartridge 1 flow into the annular channel;

it can be understood that the control device 9 can control the pump 6 and the driving mechanism 3 to operate simultaneously, or can control the pump 6 to suck air out of the flow channel plate 4 first, then control the driving mechanism 3 to drive the valve plug 22 to open the outlet 212, or control the driving mechanism 3 to drive the valve plug 22 to open the outlet 212 first, then control the pump 6 to start, without affecting the sequence.

It is understood that when the first control valve connects the air channel 73 to the pump 6, the control device 9 simultaneously controls the valves in the air inlets to open, and simultaneously the valves of the sample inlet 214 and the purge inlet 213 to close to form a closed space to prevent air from being discharged from the sample inlet 214 and the purge inlet 213.

Alternatively, the control device 9 may control the first control valve to open the sampling pipe 51, the pump 6 drives the sampling pipe 51 to suck urine in the toilet bowl into the sample container 52, impurities in the urine are filtered in the sample container 52, and then the control device 9 controls the pump 6 to drive the urine from the sample container 52 into the flow channel plate 4.

Alternatively, the control device 9 controls the first control valve to open the water inlet pipe 71, the pump 6 drives the water inlet pipe 71 to suck water into the water storage container 72, and when cleaning is needed, the pump 6 drives the water in the water storage container 72 to flow into the flow passage plate 4.

S3, the control device 9 controls the first control valve and the second control valve to connect the sampling pipeline 51 to the pump 6, and the control device 9 controls the pump 6 to drive a fixed amount of urine to flow into the test pit 42 of the annular channel from the sample container 52; it will be appreciated that with tubing connected to the pump 6, the valves in the inlet 214 are open to facilitate the flow of urine into the flow field plate 4, and the valves in the wash inlet 213 and vent 215 may be either open or closed.

And S4, the control device 9 drives the detection device to start.

And S5, the control device 9 controls the first control valve and the second control valve to communicate the water inlet pipeline 71 with the pump 6, controls the third control valve to open the sewage discharge pipeline 416, and drives the water in the water storage container 72 to enter the annular channel to flush the annular channel and the test pit 42 and flow out through the sewage discharge pipeline 416 by the pump 6. When it is desired to clean the flow channel plate 4, the control device 9 simultaneously drives the valve of the cleaning inlet 213 open to facilitate the flow of water from the water inlet conduit 71 into the flow channel plate 4.

The utility model discloses a urine test instrument 100 can test the multiple composition of urine, and kit 1 has multiple reagent capsule 12 and can hold different reagents, and the composition of testing as required is different, can test many times, and the reagent that every test needs to be used is different, and different kit 1 is opened as required to actuating mechanism 3, and other steps are unanimous with the aforesaid.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (15)

1. A valve, comprising:

the valve comprises a valve body, a plurality of main flow channels, a plurality of flow outlets and a plurality of sealing rings, wherein the main flow channels penetrate through the valve body and are sequentially spaced along the length extending direction of the valve body;

a plurality of spools, each of the spools slidably mounted in a corresponding one of the primary flow passages, the spools operable to seal or open the flow outlet.

2. The valve according to claim 1, wherein each of the main flow passages has at least a first section flow passage and a second section flow passage along an axial direction thereof, wherein an inner diameter of the first section flow passage is smaller than an inner diameter of the second section flow passage, the outflow port communicates with the first section flow passage, and the spool is slidable between the first section flow passage and the second section flow passage.

3. The valve of claim 2, wherein the valve spool has one end slidably mounted in the primary flow passage and operable to seal or open the flow outlet and another end protruding from the valve body.

4. The valve of claim 3, wherein one end of the valve core is provided with a sealing head, and the outer diameter of the sealing head is larger than the inner diameter of the second section of the flow passage.

5. The valve according to claim 4, wherein the sealing head is further provided with a sealing ring at the periphery, and the outer diameter of the sealing ring is larger than the inner diameter of the second section of flow passage.

6. The valve of claim 5, wherein the spool is rod-shaped and has at least a first core section and a second core section, the second core section is located on a side of the sealing head away from the second flow passage section, an outer diameter of the first core section is larger than an outer diameter of the second core section, the outer diameter of the second core section is smaller than an inner diameter of the first flow passage section, and a length of the second core section in a direction of the spool is larger than a distance from the outflow port to the second flow passage section.

7. The valve of claim 6, further comprising a reset disposed between the first segment core and the valve body and arranged to provide a reset force to the first segment core.

8. The valve according to claim 7, further comprising a stopper installed at an inner side of the valve body, wherein a space for accommodating the reset member is formed between the inner side of the valve body and the stopper.

9. The valve according to claim 8, wherein the retainer is annular, and a plurality of spool holes corresponding to the spools are disposed on the retainer.

10. The valve according to claim 8, wherein a position of the first core between the position-limiting member and the valve body is further provided with a position-limiting protrusion protruding radially from the first core, a diameter of the position-limiting protrusion is larger than a diameter of the valve core hole, and the position-limiting protrusion cooperates with the position-limiting member to limit a movement range of the valve core.

11. The valve of claim 10 wherein the first segment core further defines a recess circumferentially recessed toward the first segment core, the recess further defining a seal on its periphery, the seal having an outer diameter slightly larger than the first segment flow passage.

12. The valve according to claim 8, wherein the valve body is annular, the plurality of main flow passages are sequentially arranged along a circumferential direction of the valve body, and the retainer is fixedly connected to a top of the valve body.

13. The valve of claim 10, wherein the return member is a spring, and the stop protrusion has an outer diameter greater than an outer diameter of the spring.

14. A kit, comprising:

the valve of any one of the preceding claims 1-13;

the mounting disc, the mounting disc has annular main part and runs through a plurality of drainage holes of annular main part lateral part, a plurality of drainage holes are at intervals each other along shown cyclic annular cylinder circumference distribution.

15. The kit of claim 14, further comprising a plurality of reagent capsules, wherein the reagent capsules are provided with outlets, and the outlet of each reagent capsule can be closely communicated with the corresponding drainage hole.

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