CN217249010U - A kind of pipette for medical examination - Google Patents

Abstract

The utility model belongs to the technical field of medical testing equipment, and relates to a pipette for medical testing, which comprises a gun body, a piston is slidably connected to the gun body, a connecting rod is fixedly connected to the top of the piston, and the connecting rod The surface of the gun body is provided with a rubber plug, the top of the gun body is screwed with a sealing cover, the rubber plug is fixedly connected with the sealing cover, and one end of the connecting rod passes through the sealing cover and is fixedly connected with a button. The beneficial effect is that by setting the gun body and the sealing cover as a detachable structure, the separation of the gun body and the sealing cover is convenient, the inner wall of the gun is cleaned, and the annular groove is clamped with the top of the connecting pipe, so that the first annular plate It is threadedly connected with the second annular plate, which can quickly complete the installation and disassembly of the suction head and the gun body. It is more convenient to use. It does not require a large force when installing the suction head. At the same time, the sealing ring is used to protect the gun body and the suction head. tightness of the connection.

Description

A kind of pipette for medical examination

technical field

The utility model belongs to the technical field of medical inspection equipment, in particular to a pipette for medical inspection.

Background technique

A pipette, also called a pipette gun, is a measuring tool that transfers a liquid from an original container to another container within a certain range. It is widely used in biology, chemistry and other fields. Medical testing is the testing of microbiology, immunology, biochemistry, genetics, hematology, biophysics, cytology, etc., on materials taken from the human body, so as to provide information for the prevention, diagnosis, treatment of human diseases and evaluation of human health. A science of information.

In medical inspection, each liquid needs to be pipetted by a pipette. The existing pipette for medical inspection needs to use a large force when installing a suction head, and the friction force between the suction head and the gun body is installed. It is large, and the wear on the gun body is large, and there is no heat insulation layer, corrosion-resistant and wear-resistant structure. The long-term use of the pipette can easily lead to damage, which reduces the durability of the pipette.

Utility model content

In order to solve the problems raised in the above background art. The utility model provides a pipette for medical examination, which solves the technical problems of laborious installation, lack of wear resistance, corrosion resistance and heat insulation.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pipette for medical examination, comprising a gun body, a piston is slidably connected in the gun body, a connecting rod is fixedly connected to the top of the piston, and the connecting rod is The surface of the gun body is provided with a rubber stopper, the top of the gun body is threadedly connected with a sealing cover, the rubber stopper is fixedly connected with the sealing cover, one end of the connecting rod passes through the sealing cover and is fixedly connected with a button, the gun body A connecting pipe is fixedly connected to the bottom of the connecting pipe, an annular groove is formed in the connecting pipe, a sealing ring is fixedly connected to the top of the inner wall of the annular groove, and a first annular plate is fixedly connected to the bottom of the connecting pipe. The annular plate is clamped with a second annular plate, the side of the second annular plate is fixedly connected with a suction head, the top of the suction head is overlapped with the sealing ring, the inner side of the gun body is provided with a heat insulation layer, the The outer side of the heat insulation layer is provided with a corrosion-resistant layer, and the outer side of the gun body is provided with a wear-resistant layer.

As a further solution of the present invention, a digital window is provided on the surface of the suction head, and a finger grip is fixedly connected to the surface of the suction head.

As a further solution of the present invention: the material of the heat insulating layer is an organosilicon material.

As a further solution of the present invention: the corrosion-resistant layer is an epoxy resin coating.

As a further solution of the present invention: the wear-resistant layer is a uniform nano-ceramic coating.

As a further solution of the present invention: the material of the sealing ring is polytetrafluoroethylene.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The pipette for medical examination, by setting the gun body and the sealing cover as a detachable structure, facilitates the separation of the gun body and the sealing cover, cleans the inner wall of the gun, and is clamped to the top of the connecting tube through the annular groove, The first annular plate and the second annular plate are threadedly connected, which can quickly complete the installation and disassembly of the suction head and the gun body, which is more convenient to use, and does not require a large force when installing the suction head. The tightness of the connection between the gun body and the tip.

2. The pipette for medical examination, by setting the heat insulation layer, can prevent the temperature from being transferred to the parts inside the gun body by holding the gun body, so that the temperature of the inner cavity of the pipette is increased, and the air pressure is increased, thereby Affecting the precision of the pipette, by setting the corrosion-resistant layer and the wear-resistant layer, the corrosion resistance and wear resistance of the pipette can be enhanced, thereby greatly improving the durability of the pipette.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the front section of the utility model;

Fig. 2 is the enlarged structural representation of A in Fig. 1 of the utility model;

Fig. 3 is the structural representation of the enlarged B in Fig. 1 of the utility model;

Fig. 4 is the structural representation of the top view section of the gun body in Fig. 1 of the utility model;

Fig. 5 is the structural representation of the front view of the utility model;

In the figure: 1. Gun body; 2. Connecting rod; 3. Finger grip; 4. Sealing cover; 5. Button; 6. Rubber stopper; 7. Piston; 8. Connecting tube; 9. Suction head; 10. Sealing ring; 11, annular groove; 12, first annular plate; 13, second annular plate; 14, corrosion-resistant layer; 15, thermal insulation layer; 16, wear-resistant layer; 17, digital window.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

Please refer to FIGS. 1-5, the present utility model provides the following technical solutions: a pipette for medical examination, comprising a gun body 1, a piston 7 is slidably connected in the gun body 1, and a connecting rod 2 is fixedly connected to the top of the piston 7, The surface of the connecting rod 2 is provided with a rubber plug 6, and the top of the gun body 1 is threadedly connected with a sealing cover 4. By setting the gun body 1 and the sealing cover 4 as a detachable structure, the separation of the gun body 1 and the sealing cover 4 is convenient. The inner wall of the gun body 1 is cleaned, the rubber plug 6 is fixedly connected with the sealing cover 4, one end of the connecting rod 2 passes through the sealing cover 4 and is fixedly connected with the button 5, and the bottom of the gun body 1 is fixedly connected with a connecting pipe 8.

There is an annular groove 11 in the connecting pipe 8, and the annular groove 11 is clamped with the top of the connecting pipe 8, so that the first annular plate 12 and the second annular plate 13 are threadedly connected, and the suction head 9 and the gun body 1 can be quickly completed. The installation and disassembly of the gun body is more convenient to use. It does not need to use a large force when installing the suction head 9. At the same time, the sealing ring 10 is used to ensure the tightness of the connection between the gun body 1 and the suction head 9. The inner wall of the annular groove 11 A sealing ring 10 is fixedly connected to the top of the connecting pipe 8 , a first annular plate 12 is fixedly connected to the bottom of the connecting pipe 8 , and a second annular plate 13 is clamped to the first annular plate 12 .

The side surface of the second annular plate 13 is fixedly connected with the suction head 9 , the top of the suction head 9 is overlapped with the sealing ring 10 , and the inner side of the gun body 1 is provided with a heat insulating layer 15 . The body 1 conducts the temperature to the components inside the gun body 1, which increases the temperature of the inner cavity of the pipette and increases the air pressure, thereby affecting the accuracy of the pipette. By setting the corrosion-resistant layer 14 and the wear-resistant layer 16, It can enhance the corrosion resistance and wear resistance of the pipette, thereby greatly improving the durability of the pipette. The outer side of the thermal insulation layer 15 is provided with a corrosion-resistant layer 14, and the outer side of the gun body 1 is provided with a wear-resistant layer 16. The surface of the head 9 is provided with a digital window 17, the surface of the suction head 9 is fixedly connected with a finger grip 3, the material of the heat insulation layer 15 is silicone material, the corrosion-resistant layer 14 is epoxy resin coating, and the wear-resistant layer 16 is Uniform nano-ceramic coating, the material of the sealing ring 10 is polytetrafluoroethylene.

The working principle of the utility model is:

S1. First, hold the gun body 1, align the connecting pipe 8 with the suction head 9, the top of the suction head 9 is clamped with the annular groove 11, and the top of the suction head 9 is in contact with the sealing ring 10 in the annular groove 11. At the same time, the first annular plate 12 is docked with the second annular plate 13 to complete the installation of the suction head 9 and the gun body 1, and then the liquid extraction work is performed. When the gun body 1 needs to be cleaned, by rotating the sealing cover 4 , the sealing cover 4 can be separated from the gun body 1;

S2. During the use of the pipette, by setting the wear-resistant layer 16, the wear on the surface of the gun body 1 by the hand-held gun body 1 can be reduced. The generated temperature is conducted to the components inside the gun body 1 for thermal insulation, and the anti-corrosion layer 14 is provided to enhance the corrosion resistance of the pipette during use.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (6)

1. A pipette for medical examination, comprising a gun body (1), characterized in that: a piston (7) is slidably connected in the gun body (1), and a top of the piston (7) is fixedly connected with a connection The rod (2), the surface of the connecting rod (2) is provided with a rubber plug (6), the top of the gun body (1) is threadedly connected with a sealing cover (4), and the rubber plug (6) is connected with the sealing The cover (4) is fixedly connected, one end of the connecting rod (2) passes through the sealing cover (4) and is fixedly connected with a button (5), the bottom of the gun body (1) is fixedly connected with a connecting pipe (8), The connecting pipe (8) is provided with an annular groove (11), the top of the inner wall of the annular groove (11) is fixedly connected with a sealing ring (10), and the bottom of the connecting pipe (8) is fixedly connected with a No. An annular plate (12), the first annular plate (12) is clamped with a second annular plate (13), and a suction head (9) is fixedly connected to the side of the second annular plate (13). The top of the head (9) is overlapped with the sealing ring (10), the inner side of the gun body (1) is provided with a thermal insulation layer (15), and the outer side of the thermal insulation layer (15) is provided with a corrosion-resistant layer (14). ), a wear-resistant layer (16) is provided on the outside of the gun body (1). 2 . The medical test pipette according to claim 1 , wherein a digital window ( 17 ) is provided on the surface of the suction head ( 9 ), and the surface of the suction head ( 9 ) is fixedly connected. 3 . With finger grips (3). 3 . The medical test pipette according to claim 1 , wherein the material of the heat insulating layer ( 15 ) is an organosilicon material. 4 . 4 . The medical test pipette according to claim 1 , wherein the corrosion-resistant layer ( 14 ) is an epoxy resin coating. 5 . 5 . The medical test pipette according to claim 1 , wherein the wear-resistant layer ( 16 ) is a uniform nano-ceramic coating. 6 . 6 . The medical test pipette according to claim 1 , wherein the material of the sealing ring ( 10 ) is polytetrafluoroethylene. 7 .

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