CN211676786U

CN211676786U - Internal airflow conveying pipeline of gas chromatograph

Info

Publication number: CN211676786U
Application number: CN202020015638.3U
Authority: CN
Inventors: 方明; 牛婉; 赵冬辉
Original assignee: Zhengzhou Zhongzhou Building Materials Testing Co ltd
Current assignee: Zhengzhou Zhongzhou Building Materials Testing Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-16
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses an inside air current pipeline of gas chromatograph, including carrying the trachea main part, the inside of carrying the trachea main part is linked together with the inside of first connector, and the inner wall veneer of first connector has the rubber pad, the surface mounting of first connector has fixed establishment, the inside of first connector is inserted and is equipped with filter equipment. The utility model discloses be provided with rubber pad and fixed establishment, can effectually prevent gaseous leakage through the rubber pad, through fixed establishment, can play the effect of fixed first connector to can be convenient for the holistic dismantlement of first connector and installation, through filtering mechanism, can effectually filter out the dust with in the air, prevent inside dust particle blocking instrument, cause the damage of instrument, when dismantling first connector, can wholly tear out filtering mechanism, the clearance of the filtering mechanism of being convenient for.

Description

Internal airflow conveying pipeline of gas chromatograph

Technical Field

The utility model relates to a gas chromatograph technical field specifically is an inside air flow pipeline of gas chromatograph.

Background

The gas chromatograph is a separation and analysis device with high analysis speed and high separation efficiency, because the gas phase has high transmission speed of a sample, so that the components of the sample can reach equilibrium between the mobile phase and the stationary phase instantly, and in addition, many substances can be selected as the stationary phase.

When the gas chromatograph is used daily, because current gas chromatograph does not filter the impurity dust in the gas when the air current is carried, can cause the inside dust that blocks up of instrument, influences the use of instrument, and the trachea needs to be changed or clear up after using for a long time simultaneously, and current mostly passes through the threaded fastening, causes inconvenient when dismantling the installation, consequently needs the inside air current pipeline of a gas chromatograph to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside air current pipeline of gas chromatograph to the inside dust that blocks up of instrument that proposes in the solution above-mentioned background art and the inconvenient problem of trachea when dismantling the installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inside air current pipeline of gas chromatograph, is including carrying the trachea main part, the inside of carrying the trachea main part is linked together with the inside of first connector, and the inner wall veneer of first connector has the rubber pad, the surface mounting of first connector has fixed establishment, the inside of first connector is inserted and is equipped with filtering mechanism.

Preferably, fixed establishment includes first fixed pin, fixed disc, first spring, slider and fixed storehouse, fixed disc has been cup jointed on the surface of first fixed pin, and the side welding of fixed disc has first spring, the fixed surface fixedly connected with slider of fixed disc, and the surface of slider is inconsistent with the inner wall in fixed storehouse.

Preferably, the filtering mechanism includes that second connector, screens are fast, second fixed pin, pull rod, second spring, fixed block, connecting rod and filter screen, the fixed surface of second connector is connected with the screens fast, the inner wall of second connector is inconsistent with the bottom of filter screen, and the top fixedly connected with connecting rod of filter screen, the top fixedly connected with fixed block of connecting rod, and the inner wall welding of fixed block has the second spring, the one end welding that the fixed block was kept away from to the second spring has the second fixed pin, and the fixed surface of second fixed pin is connected with the pull rod.

Preferably, two sliding grooves are formed in the fixed bin, and the sliding block and the two sliding grooves formed in the fixed bin form a sliding type structure.

Preferably, a groove is formed in the second connector, and the size of the inner wall of the groove formed in the second connector is larger than the surface size of the second fixing pin.

Preferably, the surface of the fixed block is provided with a groove, and the size of the surface of the pull rod is smaller than the size of the inner wall of the groove formed in the surface of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that: this inside air current pipeline of gas chromatograph is provided with rubber pad and fixed establishment, can effectually prevent gaseous leakage through the rubber pad, through fixed establishment, can play the effect of fixed first connector to can be convenient for the holistic dismantlement of first connector and installation, through filter mechanism, can effectually filter off the dust in the air and cross, prevent inside the dust granule blocks up the instrument, cause the damage of instrument.

(1) The device is provided with rubber pad and fixed establishment, and through with first connector block on the filtering mechanism surface, this is through fixed establishment, can be with first connector monolithic stationary to the installation of the first connector of being convenient for is dismantled, through the rubber pad, can prevent gaseous leakage.

(2) The device passes through filtering mechanism, can filter the impurity dust in the air, prevents that the dust from getting into the inside damage that causes the instrument of instrument, can wholly tear out filtering mechanism when dismantling first connector simultaneously, the clearance of the filtering mechanism of being convenient for.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic top sectional view of the filtering mechanism of the present invention;

FIG. 3 is a schematic side view of the first fixing pin and the fixing chamber of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a delivery gas tube body; 2. a first connector; 3. a rubber pad; 4. a fixing mechanism; 41. a first fixing pin; 42. fixing the disc; 43. a first spring; 44. a slider; 45. fixing the bin; 5. a filtering mechanism; 51. a second connector; 52. the clamping is quick; 53. a second fixing pin; 54. a pull rod; 55. a second spring; 56. a fixed block; 57. a connecting rod; 58. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-4, the present invention provides an embodiment: an internal airflow conveying pipeline of a gas chromatograph comprises a conveying gas pipe main body 1, wherein the inside of the conveying gas pipe main body 1 is communicated with the inside of a first connector 2, a rubber pad 3 is glued on the inner wall of the first connector 2, a fixing mechanism 4 is installed on the surface of the first connector 2, the fixing mechanism 4 comprises a first fixing pin 41, a fixing disc 42, a first spring 43, a sliding block 44 and a fixing bin 45, the fixing disc 42 is sleeved on the surface of the first fixing pin 41, the first spring 43 is welded on the side face of the fixing disc 42, the sliding block 44 is fixedly connected to the surface of the fixing disc 42, the surface of the sliding block 44 is abutted to the inner wall of the fixing bin 45, two sliding grooves are formed in the fixing bin 45, the sliding block 44 and the two sliding grooves formed in the fixing bin 45 form a sliding type structure, the first connector 2 can be integrally fixed through the first fixing pin 41, and the elastic force of the first spring 43, the first fixing pin 41 can be reset, the sliding block 44 slides in the fixed bin 45 to limit the position, the filtering mechanism 5 is inserted in the first connecting head 2, the filtering mechanism 5 comprises a second connecting head 51, a clamping block 52, a second fixing pin 53, a pull rod 54, a second spring 55, a fixed block 56, a connecting rod 57 and a filter screen 58, the clamping block 52 is fixedly connected to the surface of the second connecting head 51, the inner wall of the second connecting head 51 is abutted to the bottom end of the filter screen 58, the connecting rod 57 is fixedly connected to the top end of the filter screen 58, the fixed block 56 is fixedly connected to the top end of the connecting rod 57, the second spring 55 is welded to the inner wall of the fixed block 56, the second fixing pin 53 is welded to the end, far away from the fixed block 56, of the second spring 55, the pull rod 54 is fixedly connected to the surface of the second fixing pin 53, a groove is formed, the size of the inner wall of the groove formed in the second connector 51 is larger than the surface size of the second fixing pin 53, the surface of the fixing block 56 is provided with a groove, the size of the surface of the pull rod 54 is smaller than the size of the inner wall of the groove formed in the surface of the fixing block 56, and through the groove formed in the second connector 51, the second fixing pin 53 can be limited to fix the fixing block 56, the second fixing pin 53 can be pulled out of the second connector 51 by pulling the pull rod 54, the fixing block 56 can be conveniently detached integrally, and the elastic force of the second spring 55, the effect that resets can be played, through the recess that fixed block 56 surface was seted up, the pulling pull rod 54 of being convenient for drives second fixed pin 53 and removes, carries the trachea main part 1 to keep away from the one end of first connector 2 and is connected with detection device, and the one end that first connector 2 was kept away from to second connector 51 is connected with conveyor.

The working principle is as follows: when the conveying gas pipe main body 1 needs to be installed, according to fig. 1 and fig. 3, the first connecting head 2 is clamped on the surface of the second connecting head 51, the first fixing pin 41 is driven to move downwards through the movement of the first connecting head 2, when the first fixing pin 41 is extruded by the clamping block 52, the first fixing pin contracts into the fixing bin 45, when the first fixing pin 41 moves below the clamping block 52, the first fixing pin 41 can be integrally ejected through the elastic force of the first spring 43, so that the installation of the conveying gas pipe main body 1 can be completed, the rubber pad 3 abuts against the top end of the second connecting head 51, gas leakage can be prevented, when the conveying gas pipe main body 1 needs to be disassembled, the first fixing pin 41 is pulled, and when the first fixing pin 41 contracts into the fixing bin 45, the first connecting head 2 is integrally taken out of the surface of the second connecting head 51.

When the gas is conveyed, according to fig. 2 and 4, when the gas is conveyed to the interior of the conveying gas pipe main body 1 through the second connector 51, the gas passes through the surface of the filter screen 58, so that dust and impurities in the gas can be filtered, thereby facilitating damage caused by blockage inside the instrument, and when the filter screen 58 needs to be cleaned and replaced, the first connector 2 is integrally disassembled, which is to pull the pull rod 54, the second fixing pin 53 can be moved out of the interior of the second connection head 51 by means of the pull rod 54, so that the filter 58 can be removed from the interior of the second connection head 51, when the filter net 58 is installed, the pull rod 54 is pulled, and when the second fixing pin 53 is put into the second connector 51, the pull rod 54 is released, and by the elastic force of the second spring 55, the second fixing pin 53 may be inserted inside the second connection head 51 so that the filter net 58 may be fixed inside the second connection head 51.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an inside air current pipeline of gas chromatograph, is including carrying trachea main part (1), its characterized in that: the conveying air pipe is characterized in that the interior of the conveying air pipe main body (1) is communicated with the interior of the first connecting head (2), a rubber pad (3) is glued to the inner wall of the first connecting head (2), a fixing mechanism (4) is installed on the surface of the first connecting head (2), and a filtering mechanism (5) is inserted into the interior of the first connecting head (2).

2. The internal gas flow transmission pipeline of a gas chromatograph according to claim 1, wherein: fixed establishment (4) include first fixed pin (41), fixed disc (42), first spring (43), slider (44) and fixed storehouse (45), fixed disc (42) have been cup jointed on the surface of first fixed pin (41), and the side welding of fixed disc (42) has first spring (43), the fixed surface of fixed disc (42) is connected with slider (44), and the surface of slider (44) is inconsistent with the inner wall of fixed storehouse (45).

3. The internal gas flow transmission pipeline of a gas chromatograph according to claim 1, wherein: filtering mechanism (5) are including second connector (51), screens fast (52), second fixed pin (53), pull rod (54), second spring (55), fixed block (56), connecting rod (57) and filter screen (58), the surperficial fixedly connected with screens of second connector (51) is fast (52), the inner wall of second connector (51) is inconsistent with the bottom of filter screen (58), and the top fixedly connected with connecting rod (57) of filter screen (58), the top fixedly connected with fixed block (56) of connecting rod (57), and the inner wall welding of fixed block (56) has second spring (55), the one end welding that fixed block (56) was kept away from in second spring (55) has second fixed pin (53), and the surperficial fixedly connected with pull rod (54) of second fixed pin (53).

4. The internal gas flow transmission pipeline of a gas chromatograph according to claim 2, wherein: two sliding grooves are formed in the fixed bin (45), and the sliding block (44) and the two sliding grooves formed in the fixed bin (45) form a sliding structure.

5. The internal gas flow transmission pipeline of a gas chromatograph according to claim 3, wherein: a groove is formed in the second connector (51), and the size of the inner wall of the groove formed in the second connector (51) is larger than the surface size of the second fixing pin (53).

6. The internal gas flow transmission pipeline of a gas chromatograph according to claim 3, wherein: the surface of the fixed block (56) is provided with a groove, and the size of the surface of the pull rod (54) is smaller than that of the inner wall of the groove formed in the surface of the fixed block (56).