CN217688763U

CN217688763U - Automatic sampling device of gas chromatography-mass spectrometer

Info

Publication number: CN217688763U
Application number: CN202221563935.7U
Authority: CN
Inventors: 许司正; 范欢
Original assignee: Shenzhen Chuangyuan Biomedical Technology Co ltd
Current assignee: Shenzhen Chuangyuan Biomedical Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-28
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses an automatic sampling device of a gas chromatography-mass spectrometer, which comprises a sampling main body, wherein the bottom of the sampling main body is connected with and provided with a connecting wire, the bottom of the front surface of the sampling main body is fixedly provided with a display screen, the bottom of the display screen is provided with a key, the top rear surface of the sampling main body is provided with a sliding cover, the tops of the two sides of the sampling main body are provided with clamping grooves, and the two ends of the inner side of the sliding cover are provided with an integrated sliding block; through set up the sliding closure on this sample main part, the sliding closure passes through slidable mounting, when the device carries and places, can establish the sliding closure lid on the surface of sample main part, protect the sample main part through the sliding closure, prevent that the sample main part from being collided with and damaged, take off the sliding closure during the use can, and when the device used usually, through the one end installation rubber buffer at the sampling tube, in dust etc. got into the sampling tube when preventing not using, take off the rubber buffer during the use can, thereby the device's practicality has been improved.

Description

Automatic sampling device of gas chromatography-mass spectrometer

Technical Field

The utility model belongs to the technical field of gas chromatography-mass spectrometer, concretely relates to automatic sampling device of gas chromatography-mass spectrometer.

Background

The gas chromatograph-mass spectrometer is widely applied to the fields of environmental protection industry, electronic industry, textile industry, petrochemical industry, essence and spice industry, medicine industry, agriculture, food safety and the like; analyzing organic pollutants in the environment (analyzing air, water quality and pollution in soil); analyzing pesticide residue, animal residue and medicine residue; analyzing aroma components of the essence and the spice; detection of harmful substances in the textile industry.

The automatic sampling device of the existing gas chromatography-mass spectrometer is used when the common portable gas chromatography-mass spectrometer is used, the sampling device is generally used for sampling and detecting, but the common sampling device is carried in the process and is easily collided and extruded, so that the damage of a sampling main body is possibly caused, the problem of the practicability of the device is influenced, and the automatic sampling device of the gas chromatography-mass spectrometer is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic sampling device of gas chromatography-mass spectrometer to solve the automatic sampling device of the current gas chromatography-mass spectrometer that proposes in the above-mentioned background art, when the portable gas chromatography-mass spectrometer that uses commonly used uses, the sampling device that uses commonly used is carrying the in-process, receives the extrusion of colliding with easily, probably causes the sample main part to damage, influences the problem of the device's practicality.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a gas chromatography-mass spectrometry combination appearance's automatic sampling device, includes the sample main part, the bottom of sample main part is connected and has been installed the connecting wire, the fixed display screen of having installed in front surface bottom of sample main part, the button has been installed to the bottom of display screen, the sliding closure has been installed to the top rear surface of sample main part, the draw-in groove has been seted up at the both sides top of sample main part, the inboard both ends of sliding closure are provided with the slider of integral type, the sample main part passes through the slider with the sliding closure and the sliding closure slides the card is established with the draw-in groove, the inboard surface of sliding closure glues to establish and installs the gasket.

Preferably, the sampling tube has been fixed to the top of sample main part, the rubber buffer has been installed to the one end of sampling tube, the external screw thread has been seted up to the edge of rubber buffer, the inboard of sampling tube is stuffed into to the rubber buffer.

Preferably, the rubber buffer establishes soon through the external screw thread and installs in the sample tube.

Preferably, a certain frictional resistance exists between the sliding block and the clamping groove.

Preferably, the bottom of the two sides of the sampling main body is provided with anti-skid grains.

Preferably, the sliding cover can be clamped on the front surface or the rear surface of the sampling body through the sliding block and the clamping groove.

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

(1) When the common portable gas chromatography-mass spectrometer is used, a common sampling device is easily collided and extruded in the carrying process, the damage of a sampling main body is possibly caused, and the use of the device is influenced;

(2) And usually when the device uses, the sampling tube of sample main part top installation exposes outside, carries the in-process, gets into impurity such as dust easily in the sampling tube, influences the analysis and uses, through the one end installation rubber buffer at the sampling tube, prevents that dust etc. from getting into in the sampling tube when not using, during the use take off the rubber buffer can to the practicality of device has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sliding cover of the present invention;

FIG. 3 is a left side view of the top of the sampling body of the present invention;

fig. 4 is a schematic structural view of the rubber plug of the present invention;

in the figure: 1. connecting wires; 2. a sampling body; 3. pressing a key; 4. a sliding cover; 5. a rubber plug; 6. a sampling tube; 7. a display screen; 8. a slider; 9. a gasket; 10. a card slot; 11. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides an automatic sampling device of gas chromatography-mass spectrometry combination appearance, including sample main part 2, the connecting wire 1 has been installed in the bottom connection of sample main part 2, the fixed display screen 7 of having installed in the front surface bottom of sample main part 2, button 3 has been installed to the bottom of display screen 7, sliding closure 4 has been installed to the top rear surface of sample main part 2, draw-in groove 10 has been seted up at the both sides top of sample main part 2, sliding closure 4's inboard both ends are provided with the slider 8 of integral type, sample main part 2 and sliding closure 4 establish through slider 8 and draw-in groove 10 slip card, sliding closure 4's inboard surface glues to establish and installs gasket 9, when the device carries and places, can establish sliding closure 4 lid on the surface of sample main part 2, protect sample main part 2 through sliding closure 4, prevent that sample main part 2 from being collided with and damaged, take off sliding closure 4 during the use can.

In order to better protect the sampling device, in this embodiment, preferably, the sampling tube 6 is fixedly installed at the top of the sampling body 2, the rubber plug 5 is installed at one end of the sampling tube 6, an external thread 11 is provided at the edge of the rubber plug 5, the rubber plug 5 is plugged into the inner side of the sampling tube 6 to avoid influences during analysis, and in order to more stably install the rubber plug 5, in this embodiment, preferably, the rubber plug 5 is rotatably installed in the sampling tube 6 through the external thread 11 to prevent the rubber plug 5 from falling off, and in order to more stably cover the sliding cover 4, in this embodiment, preferably, a certain frictional resistance is provided between the sliding block 8 and the clamping groove 10 to ensure the stability of the sliding cover 4, and in order to better hold the sampling body 2, in this embodiment, preferably, the bottom of two sides of the sampling body 2 is provided with anti-slip lines for convenience, and the sliding cover 4 can be clamped on the front surface or the rear surface of the sampling body 2 through the sliding block 8 and the clamping groove 10.

The utility model discloses a theory of operation and use flow: when the portable gas chromatography-mass spectrometry combination instrument commonly used is used, sample main part 2 commonly used is carrying the in-process, receive the extrusion of colliding with easily, probably cause sample main part 2 to damage, influence the use of the device, through set up sliding closure 4 on sample main part 2, sliding closure 4 passes through the draw-in groove 10 slidable mounting that slider 8 and sample main part 2 both sides were seted up, when the device carried and is placed, can establish sliding closure 4 lid at the front surface of sample main part 2, protect sample main part 2 through sliding closure 4, prevent sample main part 2 from colliding with the damage, establish sliding closure 4 sliding card at the rear surface of sample main part 2 during the use can, and when the device was used usually, sample pipe 6 of sample main part 2 top installation exposes outside, carry the in-process, get into impurity such as dust easily in the sample pipe 6, influence analysis and use, through installing rubber buffer 5 in the one end of sample pipe 6, rubber buffer 5 establishes the installation through revolving, prevent that dust etc. from getting into in the sample pipe 6 when not using, can with rubber buffer 5 during the use, thereby the practicality of the device has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas chromatography mass spectrometer's automatic sampling device, includes sample main part (2), connecting wire (1) have been installed in the bottom connection of sample main part (2), fixed display screen (7) having installed in the front surface bottom of sample main part (2), button (3), its characterized in that have been installed to the bottom of display screen (7): the sampling device is characterized in that a sliding cover (4) is arranged on the rear surface of the top of the sampling main body (2), clamping grooves (10) are formed in the tops of the two sides of the sampling main body (2), integrated sliding blocks (8) are arranged at the two ends of the inner side of the sliding cover (4), the sampling main body (2) and the sliding cover (4) are slidably clamped with the clamping grooves (10) through the sliding blocks (8), and a gasket (9) is arranged on the inner side surface of the sliding cover (4) in a sticking mode.

2. The automatic sampling device of a gas chromatography-mass spectrometer of claim 1, wherein: sampling tube (6) have been fixed to the top of sample main part (2), rubber buffer (5) have been installed to the one end of sampling tube (6), external screw thread (11) have been seted up at the edge of rubber buffer (5), the inboard of sampling tube (6) is plugged in to rubber buffer (5).

3. The automatic sampling device of a gas chromatography-mass spectrometer of claim 2, wherein: the rubber stopper (5) is arranged in the sampling tube (6) in a rotating mode through an external thread (11).

4. The automatic sampling device of the gas chromatograph-mass spectrometer of claim 1, wherein: and a certain frictional resistance is formed between the sliding block (8) and the clamping groove (10).

5. The automatic sampling device of the gas chromatograph-mass spectrometer of claim 1, wherein: the bottom of the two sides of the sampling main body (2) is provided with anti-skid grains.

6. The automatic sampling device of a gas chromatography-mass spectrometer of claim 1, wherein: the sliding cover (4) can be clamped on the front surface or the rear surface of the sampling main body (2) through the sliding block (8) and the clamping groove (10).