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CN-121987256-A - Self-sealing integrated urine collector based on multistage detention chamber

CN121987256ACN 121987256 ACN121987256 ACN 121987256ACN-121987256-A

Abstract

The invention discloses a self-sealing integrated urine collector based on a multistage detention chamber, which belongs to the technical field of clinical test equipment, and comprises a collection cup, a damping plug and a test tube, wherein an axially extending axial positioning pin is arranged on the inner wall of a fixed sleeve and forms an anti-rotation structure with a positioning port of the test tube, so that the damping plug is prevented from shifting due to rotation of the test tube after assembly, a detention area with a three-stage stepped volume increment is arranged in the damping plug and is tightly sleeved on a liquid inlet pipe and communicated through a diversion trench, a repeated variable diameter structure of a liquid pipeline is formed, and the linear accumulation of resistance coefficients is realized.

Inventors

  • Pan Zishen

Assignees

  • 佛山市匠燊科技有限公司

Dates

Publication Date
20260508
Application Date
20260402

Claims (9)

  1. 1. The self-sealing integrated urine collector based on the multistage detention chambers is characterized by comprising a collection cup (1), a damping plug (2) and a test tube (3), wherein a liquid inlet pipe (1-3) is arranged in a fixed sleeve (1-2) of the collection cup (1), the damping plug (2) is sleeved on the liquid inlet pipe (1-3), the liquid inlet pipe (1-3) is provided with a diversion trench (1-3-2), the diversion trench (1-3-2) is communicated with the inner space and the outer space of the test tube (3) and the plurality of detention chambers, and an axial locating pin (1-6) extending in the axial direction is arranged on the inner wall of the fixed sleeve (1-2).
  2. 2. The self-sealing integrated urine collector based on the multistage detention chamber according to claim 1, wherein the collecting cup (1) consists of a cup body (1-1), a fixing sleeve (1-2), a liquid inlet pipe (1-3), a female buckle (1-4), an overflow port (1-5) and an axial locating pin (1-6), the fixing sleeve (1-2) is cylindrical, is arranged at the middle lower part of one outer side wall of the cup body (1-1) and extends outwards and downwards, a female buckle (1-4) in a radial groove shape is arranged at the inner wall of one end, far away from the cup body (1-1), of the fixing sleeve (1-2), the axial locating pin (1-6) is arranged at the inner wall of one end, close to the cup body (1-1), of the fixing sleeve (1-2) at intervals, and the overflow port (1-5) is arranged at the position, opposite to the fixing sleeve (1-2), of the upper end of the cup body (1-1).
  3. 3. The self-sealing integrated urine collector based on the multi-stage detention chamber according to claim 2, wherein the liquid inlet pipe (1-3) is cylindrical and is arranged in the fixing sleeve (1-2), a straight concave diversion trench (1-3-2) is arranged on the outer wall of one end of the liquid inlet pipe (1-3) far away from the fixing sleeve (1-2), a limit column (1-3-1) is arranged at one end of the liquid inlet pipe (1-3) close to the fixing sleeve (1-2), the limit columns are symmetrically distributed on the outer wall of the liquid inlet pipe (1-3) and serve as installation limit devices of the damping plug (2), the center line of the liquid inlet pipe (1-3) and the center line of the fixing sleeve (1-2) are collinear, and an included angle alpha = 15-50 degrees between the center line of the fixing sleeve (1-2) and the horizontal plane of an opening on the cup body (1-1).
  4. 4. The self-sealing integrated urine collector based on the multi-stage detention chamber according to claim 2 is characterized in that the axial locating pins (1-6) are arranged on the inner wall of the fixing sleeve (1-2) and are symmetrically arranged, the top shape of the axial locating pins is similar to that of the locating opening (3-3) of the test tube (3), when the self-sealing integrated urine collector is assembled, the test tube (3) is matched with the axial locating pins (1-6) through the inclined plane of the pipe opening, the test tube (3) can be assembled without locating, when the self-sealing integrated urine collector is disassembled, the test tube (3) is rotated, and the top of the axial locating pins (1-6) is matched with the inclined plane of the pipe opening of the test tube (3), so that the test tube (3) can be separated from the collecting cup (1) easily.
  5. 5. The self-sealing integrated urine collector based on the multistage detention chamber according to claim 1, wherein the damping plug (2) is cylindrical and consists of a plug body (2-1), a sealing ring (2-2) and detention areas (2-3), the detention areas (2-3) are arranged in the plug body (2-1), the damping plug (2) is sleeved on the liquid inlet pipe (1-3) and is collinear with the central line of the liquid inlet pipe (1-3), the sealing ring (2-2) is in interference fit with the inner wall of the test tube (3) to form a seal and separate the two spaces inside and outside the test tube (3) physically, the inner wall of the plug body (2-1) is tightly attached to the outer wall of the liquid inlet pipe (1-3) to enable the detention areas (2-3) to be a plurality of independent detention chambers, and the inner space inside and the outer space of the test tube (3) and the detention chambers are communicated through the guide groove (1-3-2).
  6. 6. The self-sealing integrated urine collector based on the multi-stage detention chamber according to claim 5, wherein the cross section of the detention chamber (2-5) is circular or oval, and is of a three-stage stepped volume increasing structure, the three-stage stepped volume increasing structures are sequentially arranged from small to large, and fluid is attenuated in a step-type manner at a reducing junction to realize linear accumulation of resistance coefficients.
  7. 7. The self-sealing integrated urine collector based on the multistage detention chamber according to claim 1, wherein the axial positioning pin (1-6) is of an axially extending convex strip structure, the cross section of the axial positioning pin is trapezoid or circular arc, and the length of the axial positioning pin is equal to the depth of the positioning opening (3-3) of the test tube (3).
  8. 8. The self-sealing integrated urine collector based on the multistage detention chamber according to claim 1, wherein a locating opening (3-3) is arranged at a tube opening at the upper end of the test tube (3), the locating opening (3-3) is arranged at two vertexes of the tube caliber symmetrical arrangement and the tube caliber symmetrical arrangement, the test tube (3) is divided into 4 parts on average, the connection of the vertexes and the locating opening (3-3) is an inclined plane, the inclined plane is of a test tube rotary guide structure, the locating opening (3-3) is in sliding fit with the axial locating pin (1-6), a male buckle (3-2) is matched with the female buckle (1-4) to form an anti-rotary structure, and an exhaust opening (3-1) of the radial symmetrical arrangement is arranged on the male buckle (3-2).
  9. 9. The multi-stage retention chamber-based self-sealing integrated urine collector according to claim 2 or 8, wherein the female buckle (1-4) and the male buckle (3-2) are of a buckle connection structure, and the inclined surface of the test tube (3) is matched with the axial locating pin (1-6) through rotation of the test tube (3), so that the male buckle (3-2) is forced to be separated from the female buckle (1-4) to separate the test tube (3) from the collection cup (1) after collection.

Description

Self-sealing integrated urine collector based on multistage detention chamber Technical Field The invention relates to the technical field of clinical examination and test equipment, in particular to a self-sealing integrated urine collector based on a multistage detention chamber. Background In clinical testing for urine testing, hospitals typically provide an open urine cup with a dedicated test tube for the patient, urine is collected from the patient using the open urine cup, and then a urine sample is transferred to the dedicated test tube, capped for testing. The method has the following defects that ① patients cannot easily grasp the urine volume for delivery and detection, if the collection volume is small, the urine volume cannot meet the requirement of detection, ② is easy to pollute, urine is easy to get on hands and the ground of the patients or on the outer wall of the container, used urine cups can be placed everywhere to pollute the environment, ③ is inconvenient to operate and is not suitable for patients inconvenient to move to use. The Chinese patent publication No. CN121015238A discloses an integrated urine collector, but the collector has the following defects that a ① air duct is arranged on a one-way valve, the air duct of the one-way valve is limited in length and pipe diameter during manufacturing and cannot effectively regulate the resistance of liquid flow, a female buckle of a ② fixing sleeve can freely rotate after being buckled with a male buckle of a test tube, a sealing ring of the one-way valve is tightly contacted with the test tube, the test tube can drive the one-way valve to move on a flow inlet pipe when rotating, the bonding degree of a valve plate and a liquid inlet pipe is seriously influenced, when the two problems cause liquid to reach the one-way valve, the valve plate cannot be closed, the liquid flows out of the test tube, the polluted environment and sampling fail, the requirement of ③ on the material of the one-way valve is higher, the processing precision is higher, the valve plate is required to be positioned and assembled during ④ assembly, and the production quality and efficiency are reduced. Based on the situation, the self-sealing integrated urine collector based on the multistage detention chamber is provided, and comprises a collection cup, a damping plug and a test tube, wherein an axially extending axial positioning pin is arranged on the inner wall of a fixed sleeve and forms an anti-rotation structure with a tube orifice positioning opening of the test tube, so that the damping plug is prevented from shifting due to rotation of the test tube after assembly, a detention area with three-stage stepped volume increment is arranged in the damping plug and is communicated through a diversion trench, a liquid pipeline multiple-variable-diameter structure is formed, and the linear accumulation of resistance coefficients is realized. Disclosure of Invention In order to solve the technical problems, the technical scheme provided by the invention is as follows: The self-sealing integrated urine collector based on the multistage detention chambers comprises a collecting cup, a damping plug and a test tube, wherein a liquid inlet pipe is arranged in a fixing sleeve of the collecting cup, the damping plug is sleeved on the liquid inlet pipe, the liquid inlet pipe is provided with a diversion trench, the diversion trench is communicated with the space inside and outside the test tube and the detention chambers, and an axial locating pin extending axially is arranged on the inner wall of the fixing sleeve. The collecting cup consists of a cup body, a fixing sleeve, a liquid inlet pipe, a female buckle, an external overflow port and an axial positioning pin, wherein the fixing sleeve is cylindrical, is arranged at the middle lower part of the outer side wall of the cup body and extends outwards and downwards, the inner wall of one end of the fixing sleeve, which is far away from the cup body, is provided with a radial groove-shaped female buckle, the axial positioning pin is arranged at the inner wall of one end of the fixing sleeve, which is close to the cup body, and is arranged at intervals with the female buckle, and the external overflow port is arranged at the position, opposite to the fixing sleeve, of the upper end of the cup body. The liquid inlet pipe is cylindrical and is arranged in the fixed sleeve, a straight concave diversion trench is formed in the outer wall of one end, far away from the fixed sleeve, of the liquid inlet pipe, limit posts are arranged at one end, close to the fixed sleeve, of the liquid inlet pipe, the liquid inlet pipe is symmetrically distributed on the outer wall of the liquid inlet pipe and used as a mounting limit device of the damping plug, the center line of the liquid inlet pipe and the center line of the fixed sleeve are collinear, and an included angle alpha = 15-50 DEG between the center line of the fixed sleeve and the