CN213337679U - Full-section embedded Teflon tube gas-liquid double-path sampling needle - Google Patents

Abstract

The utility model discloses an embedded special fluorine dragon pipe gas-liquid double-circuit sampling needle of full-section, including liquid pipe, trachea, heat shrinkage bush, compaction pipe and sampling needle, tracheal internal diameter is greater than the diameter of liquid pipe for inside the trachea can be cup jointed to the liquid pipe, and heat shrinkage bush adds the viscose through liquid pipe and tracheal one side and seals, and the opposite side is sealed through compressing tightly the pipe, sampling needle and liquid pipe intercommunication. The sampling needle is used for sampling to enable urine to pass through the liquid pipe, the liquid pipe is a Teflon pipe, the friction coefficient is extremely low, and the urine is hardly adhered to the wall of the liquid pipe; the trachea adopts stainless steel material to make, and is sturdy and durable to can accurately drip liquid, improve the precision when the trace drips, thereby solve the inside coarse problem that makes the appearance precision of dripping when the accurate appearance of dripping of trace of current equipment needle tubing reduce.

Description

Full-section embedded Teflon tube gas-liquid double-path sampling needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an embedded special fluorine dragon pipe gas-liquid double-circuit sampling needle of full section.

Background

Urine tests are one of three general items in clinical tests in modern medicine and play an important role in the diagnosis of diseases. No matter be full-automatic dry chemistry urine analysis appearance or full-automatic urine tangible composition analysis appearance, all need sample the urine sample, the urine sample is generally with test tube storage, need the sampling needle can go deep into the test tube and extract the sample.

Generally, the sampling needle is integrally formed by metal materials, and the surface treatment of the inner wall of metal is difficult, so that the anti-sticking effect of liquid is difficult to achieve, and the precision of micro-dropping liquid is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an embedded teflon pipe gas-liquid double-circuit sampling needle of full section aims at solving the inside coarse problem that makes the appearance precision of dripping reduce when the appearance is dripped to the trace accuracy of existing equipment needle tubing.

In order to achieve the above object, the utility model provides an embedded special fluorine dragon pipe gas-liquid double-circuit sampling needle of full-section, including liquid pipe, trachea, heat shrinkage bush, pressure pipe and sampling needle, the liquid pipe has the liquid way passageway, the trachea has the gas circuit passageway, tracheal internal diameter is greater than the internal diameter of liquid pipe, the liquid pipe with heat shrinkage bush fixed connection, and pass heat shrinkage bush, the trachea with heat shrinkage bush fixed connection, heat shrinkage bush is located in the gas circuit passageway, pressure pipe with the liquid pipe with trachea fixed connection, and be located the liquid pipe with the trachea is kept away from one side of heat shrinkage bush, the sampling needle with liquid pipe intercommunication, and be located the liquid pipe is kept away from one side of heat shrinkage bush.

The trachea comprises a trachea body and an installation platform, the installation platform is provided with a first through hole and an air vent, the installation platform is fixedly connected with the trachea body, the trachea body is positioned in the first through hole, and the air vent is communicated with the trachea body.

The gas pipe body is provided with a plurality of gas outlet holes, and the gas outlet holes are positioned on one side of the gas pipe body close to the sampling needle.

The air pipe further comprises a reinforcing column, and the reinforcing column is fixedly connected with the mounting table and is positioned on one side of the mounting table.

The air pipe further comprises an elbow, and the elbow is fixedly connected with the reinforcing column and communicated with the reinforcing column.

The utility model discloses a full section embedded special fluorine dragon pipe gas-liquid double-circuit sampling needle, the liquid pipe has the liquid route passageway, and the urine passes through from the liquid route passageway, the trachea has the gas circuit passageway, tracheal internal diameter is greater than the internal diameter of liquid pipe, liquid pipe with heat shrinkage bush fixed connection, and pass the heat shrinkage bush, the trachea with heat shrinkage bush fixed connection, the heat shrinkage bush is located in the gas circuit passageway, the heat shrinkage bush will the liquid pipe with trachea fixed connection through the viscose, and the region except that the liquid pipe of gas circuit passageway forms the space that the gas passes through, the compact pipe with liquid pipe with trachea fixed connection, and lie in the liquid pipe with the trachea is kept away from one side of heat shrinkage bush, the compact pipe adopts forging and pressing technology, contracts and presss from both sides tight the liquid pipe to seal the liquid route, the sampling needle is communicated with the liquid pipe and is positioned on one side of the liquid pipe, which is far away from the heat-shrinkable sleeve, the sampling needle is used for sampling and enabling urine to pass through the liquid pipe, the liquid pipe is a Teflon pipe, and Teflon is generally called as a non-stick coating; is an artificially synthesized high molecular material which uses fluorine to replace all hydrogen atoms in polyethylene. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost not dissolved in all solvents, has extremely low friction coefficient, ensures that urine is hardly adhered to the wall of a liquid pipe, and the air pipe is made of stainless steel materials, is firm and durable, can accurately drip liquid, improves the precision of micro-drip liquid, and solves the problem that the precision of dripping the sample is reduced when the micro-precision sample is dripped due to the rough inner part of the needle pipe of the existing equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a full-section embedded teflon tube gas-liquid two-way sampling needle of the utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 2.

The device comprises a liquid pipe 1, a liquid pipe 2, a gas pipe 3, a heat-shrinkable sleeve pipe 4, a compression pipe 5, a sampling needle 11, a liquid channel 20, a gas channel 21, a gas pipe body 22, an installation table 23, a gas outlet hole 23, a reinforcing column 24, a bent pipe 25, a first through hole 221 and a vent hole 222.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, 2 and 3, the present invention provides a full-section embedded teflon tube gas-liquid two-way sampling needle:

including liquid pipe 1, trachea 2, heat shrinkage bush 3, compress tightly pipe 4 and sampling needle 5, liquid pipe 1 has liquid way passageway 11, trachea 2 has gas circuit passageway 20, trachea 2's internal diameter is greater than the internal diameter of liquid pipe 1, liquid pipe 1 with heat shrinkage bush 3 fixed connection, and pass heat shrinkage bush 3, trachea 2 with heat shrinkage bush 3 fixed connection, heat shrinkage bush 3 is located in the gas circuit passageway 20, compress tightly pipe 4 with liquid pipe 1 with trachea 2 fixed connection, and be located liquid pipe 1 with trachea 2 keeps away from one side of heat shrinkage bush 3, sampling needle 5 with liquid pipe 1 intercommunication, and be located liquid pipe 1 keeps away from one side of heat shrinkage bush 3.

In the present embodiment, the liquid tube 1 has a liquid path channel 11, urine passes through the liquid path channel 11, the air tube 2 has an air path channel 20, the inner diameter of the air tube 2 is larger than the inner diameter of the liquid tube 1, the liquid tube 1 is fixedly connected with the heat-shrinkable sleeve 3 and passes through the heat-shrinkable sleeve 3, the air tube 2 is fixedly connected with the heat-shrinkable sleeve 3, the heat-shrinkable sleeve 3 is located in the air path channel 20, the heat-shrinkable sleeve 3 fixedly connects the liquid tube 1 with the air tube 2 through viscose glue, and a space for gas to pass through is formed in the area of the air path channel 20 except the liquid tube 1, the compression tube 4 is fixedly connected with the liquid tube 1 and the air tube 2 and is located on the side of the liquid tube 1 and the air tube 2 away from the heat-shrinkable sleeve 3, the compression tube 4 adopts a forging process to shrink and clamp the liquid tube 1, so as to seal the liquid path, the sampling needle 5 is communicated with the liquid tube 1 and is positioned on one side of the liquid tube 1 away from the heat shrinkable sleeve 3, the sampling needle 5 is used for sampling to enable urine to pass through the liquid tube 1, the liquid tube 1 is a teflon tube, and the teflon tube is generally called a 'non-stick coating'; is an artificially synthesized high molecular material which uses fluorine to replace all hydrogen atoms in polyethylene. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost not dissolved in all solvents, has extremely low friction coefficient, ensures that urine is hardly adhered to the wall of the liquid tube 1, and the air tube 2 is made of stainless steel materials, is firm and durable, can accurately drip liquid, improves the precision of micro-dropping liquid, and solves the problem that the precision of dripping sample is reduced when micro-precise dripping sample is accurately dripped due to the rough inner part of the needle tube of the existing equipment.

Further, the air tube 2 includes an air tube body 21 and an installation table 22, the installation table 22 has a first through hole 221 and a vent hole 222, the installation table 22 is fixedly connected to the air tube body 21, the air tube body 21 is located in the first through hole 221, and the vent hole 222 is communicated with the air tube body 21.

In this embodiment, the mounting table 22 is disposed outside the trachea body 21, and is convenient for connecting with an external device, so that the sampling needle 5 can be more conveniently fixed, and thus sampling can be more conveniently performed, and the vent hole 222 can be connected with the trachea body 21, and thus gas can be introduced from the outside.

Further, the trachea body 21 has a plurality of air outlets 23, and the air outlets 23 are located on a side of the trachea body 21 close to the sampling needle 5.

In this embodiment, the air outlet 23 is communicated with the air passage 20 inside the air pipe body 21, so that the air introduced into the air pipe body 21 can be discharged from the air outlet 23, and the liquid in the liquid pipe 1 can be uniformly mixed by vibration.

Further, the air tube 2 further comprises a reinforcing column 24, and the reinforcing column 24 is fixedly connected with the mounting platform 22 and is located on one side of the mounting platform 22.

In the present embodiment, when the sampling needle 5 is fixed, the coaxiality and height of installation can be positioned by the reinforcing column 24 and the mounting table 22, so that installation can be performed more accurately.

Further, the air tube 2 further comprises an elbow 25, and the elbow 25 is fixedly connected with the reinforcement column 24 and is communicated with the reinforcement column 24.

In the present embodiment, the elbow 25 is used for connection with an external air supply apparatus, so that air supply can be performed more smoothly.

The utility model discloses a theory of operation and use flow: referring to fig. 1 and 2, after the utility model is installed, the sampling needle 5 is inserted into a test tube to be sampled, the elbow 25 is connected with an external air supply device, air supply is started, air enters the air passage 20 through the elbow 25, flows out through the air vent, and vibrates the liquid tube 1 through the vibration of air flow, so that urine sucked into the liquid tube 1 is vibrated and mixed uniformly, the liquid tube 1 is supported by a teflon material with a small friction coefficient, liquid is not adhered, and liquid can be accurately dripped during testing, so that the testing can be accurately performed.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (5)

1. A full-section embedded Teflon tube gas-liquid two-way sampling needle which is characterized in that,

including liquid pipe, trachea, heat shrinkage bush, pressure pipe and sampling needle, the liquid pipe has the liquid route passageway, the trachea has the gas circuit passageway, tracheal internal diameter is greater than the internal diameter of liquid pipe, the liquid pipe with heat shrinkage bush fixed connection, and pass heat shrinkage bush, the trachea with heat shrinkage bush fixed connection, heat shrinkage bush is located in the gas circuit passageway, pressure pipe with the liquid pipe with trachea fixed connection, and be located the liquid pipe with the trachea is kept away from one side of heat shrinkage bush, the sampling needle with liquid pipe intercommunication, and be located the liquid pipe is kept away from one side of heat shrinkage bush.

2. The full-section embedded Teflon tube gas-liquid two-way sampling needle as recited in claim 1, wherein the gas tube comprises a gas tube body and a mounting table, the mounting table is provided with a first through hole and a vent hole, the mounting table is fixedly connected with the gas tube body, the gas tube body is located in the first through hole, and the vent hole is communicated with the gas tube body.

3. The full-section Teflon tube embedded gas-liquid two-way sampling needle as recited in claim 2,

the trachea body has a plurality of ventholes, the venthole is located the trachea body is close to one side of sampling needle.

4. The full-section Teflon tube embedded gas-liquid two-way sampling needle as recited in claim 3,

the air pipe further comprises a reinforcing column, and the reinforcing column is fixedly connected with the mounting table and is positioned on one side of the mounting table.

5. The full-section Teflon tube embedded gas-liquid two-way sampling needle as recited in claim 4,

the air pipe further comprises an elbow pipe, and the elbow pipe is fixedly connected with the reinforcing column and communicated with the reinforcing column.

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