CN219266196U

CN219266196U - Gas chromatograph for ecological environment detection

Info

Publication number: CN219266196U
Application number: CN202220645115.6U
Authority: CN
Inventors: 丁文芳
Original assignee: Shandong Dingnuo Testing Co ltd
Current assignee: Shandong Dingnuo Testing Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2023-06-27
Anticipated expiration: 2032-03-23

Abstract

The utility model belongs to the field of ecological environment detection application equipment, and particularly relates to a gas chromatograph for ecological environment detection, which comprises a gas chromatograph body, wherein one side of the upper end of a box body is provided with a sample inlet, the upper end of the sample inlet is provided with a connecting pipe, the periphery of the lower end of the connecting pipe is provided with a clamping sleeve for realizing the locking of the connecting pipe and the sample inlet, the rear of the connecting pipe is provided with a fastening device, the fastening device comprises a placing frame in a T-shaped design, the front end of a rotating rod is provided with a clamping block in a comma shape, the rear end of the rotating rod is provided with a rotating locking block in a U-shaped design, and a drawing rod is arranged in the placing plate and penetrates through a supporting plate. The utility model has reasonable design, simple structure and convenient processing, can effectively ensure the installation stability and connection convenience between pipelines, ensure the effective development of detection work, reduce the risk coefficient, ensure the personal safety of operators and meet the use demands of people.

Description

Gas chromatograph for ecological environment detection

Technical Field

The utility model belongs to the field of ecological environment detection application equipment, and particularly relates to a gas chromatograph for ecological environment detection.

Background

Environmental monitoring is the activity of monitoring and measuring the environmental quality condition by an environmental monitoring mechanism, and the environmental monitoring is to determine the environmental pollution condition and the environmental quality by monitoring and measuring the index reflecting the environmental quality. The content of the environment monitoring mainly comprises physical index monitoring, chemical index monitoring and ecological system monitoring, is the basis of scientific management environment and environment law enforcement supervision, and is also the essential basic work of environment protection; in addition, the core objective of the environmental monitoring is to provide data of the current situation and the change trend of the environmental quality, judge the environmental quality, evaluate the current main environmental problem and serve for environmental management. Water detection is an important part of ecological environment detection, and gas chromatograph is also a common instrument for detecting water pollutants, and the gas chromatograph is an instrument for carrying out qualitative and quantitative analysis on a multi-component complex mixture by utilizing chromatographic separation technology and detection technology.

When the existing gas chromatograph detects the water environment, a sample injector is inevitably used in the sample injection process to replace manual sample injection, a connecting pipe is usually used for connecting pipelines, one end of the connecting pipe is connected with the sample injector, and the other end of the connecting pipe is connected with a sample inlet of the gas chromatograph; however, in the in-service use process, threaded connection is usually adopted to connecting pipe and sample inlet, and the drawback that this mode exists is, the torsion that the connecting pipe takes place when carrying out threaded connection can cause the distortion of connecting pipe, can influence the connection process between the device part on the one hand, and then has influenced the development of detection work, on the other hand, the distortion that the connecting pipe takes place when connecting brings danger for operating personnel easily, is difficult to ensure operating personnel's personal safety, and economic cost is higher, and the dismouting of this connected mode is comparatively inconvenient simultaneously, influences the use of follow-up detection, can't satisfy people's user demand.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the gas chromatograph for detecting the ecological environment, which has reasonable design, simple structure, convenient processing and capability of effectively ensuring the installation stability among pipelines, improving the connection convenience among the device components, ensuring the effective development of detection work, reducing the risk coefficient, ensuring the personal safety of operators, saving the economic cost and meeting the use requirements of people.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the gas chromatograph for ecological environment detection comprises a gas chromatograph body, the gas chromatograph body comprises a box body, one side of the upper end of the box body is provided with a sample inlet, the upper end of the sample inlet is provided with a connecting pipe, the periphery of the lower end of the connecting pipe is provided with a clamping sleeve for realizing locking of the connecting pipe and the sample inlet, the rear of the connecting pipe is provided with a fastening device, the fastening device comprises a placing frame in a T-shaped design, a supporting plate is arranged above the rear end of the placing frame, two rotating rods are symmetrically arranged at corners of two ends in the placing frame, the front end of each rotating rod is provided with clamping blocks in a comma shape, the rear end of each rotating rod is provided with a rotating locking block in a U-shaped design, a placing disc is arranged between the two rotating locking blocks, a pull rod is arranged in the placing disc and penetrates through the supporting plate, the periphery of the pull rod is provided with a locking nut, and the periphery of the rotating locking block is also provided with an adjusting nut.

Preferably, the lower end of the connecting pipe is internally provided with a clamping ball, the clamping sleeve is sleeved on the periphery of the connecting pipe, the inner side wall of the clamping sleeve abuts against the periphery of the clamping ball, a telescopic spring is arranged between the lower side of the clamping sleeve and the upper end connecting pipe of the clamping ball, a sample inlet is internally provided with a sample feeding pipe, and the upper end of the periphery of the sample feeding pipe is provided with a ring groove matched with the clamping ball.

Preferably, the injection tube is arranged at the lower end of the injection tube, an opening and closing door is arranged at one side of the front end of the box body, a functional key area and a working area are arranged on the other side of the front end of the box body up and down, and a display screen is arranged in the functional key area.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the gas chromatograph for ecological environment detection, through the clamping sleeve and the clamping ball which are arranged, the two pipelines can be effectively connected in a clamping way through mutual matching, so that the convenience of connection is improved, and the practicability of equipment is improved; through the fastening device, the connection tightness between the connecting pipe and the sample inlet pipe can be further improved, the stability is higher, the practical functionality of device equipment is guaranteed, the effective development of detection work is guaranteed, meanwhile, the danger coefficient of the connecting pipe in the installation process is reduced, the personal safety of operators is fully guaranteed, the economic cost is saved, and the use requirement of people is met; the device has reasonable design, simple structure and convenient processing, can effectively ensure the installation stability between the external sample injector and the gas chromatograph, promotes the connection convenience between the device parts, ensures the effective development of detection work, reduces the risk coefficient, ensures the personal safety of operators, saves the economic cost and meets the use demands of people.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic structural diagram of a gas chromatograph for biological environment detection;

FIG. 2 is a schematic diagram showing a rear view structure of a gas chromatograph for biological environment detection;

FIG. 3 is a schematic view of the internal structure of a gas chromatograph for biological environment detection;

FIG. 4 is a partial structural rear view of the fastening device;

FIG. 5 is a schematic view of the structure of the fastening device;

FIG. 6 is an exploded view of a portion of the structure of the connection between the connecting tube and the sample inlet tube;

in the above figures, 1, a gas chromatograph body; 2. a case; 21. a sample inlet; 3. a connecting pipe; 31. a clamping ball; 4. clamping the sleeve; 5. a fastening device; 6. a placing rack; 7. a support plate; 8. a rotating rod; 9. a clamping block; 10. rotating the locking block; 11. placing a tray; 12. a pull rod; 13. a locking nut; 14. an adjusting nut; 15. a sample inlet tube; 151. a ring groove; 16. a syringe; 17. an opening/closing door; 18. a function keypad; 19. a working area; 20. and a display screen.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1, 2, 3, 4, 5 and 6, the gas chromatograph for detecting the ecological environment comprises a gas chromatograph body 1, wherein the gas chromatograph body 1 comprises a box body 2, a sample inlet 21 is arranged at one side of the upper end of the box body 2, so that effective injection of a sample to be detected is ensured, the sample inlet 21 is a through hole formed in the top of the left rear side of the box body 2, convenience is provided for mounting a sample injection pipe 15, a connecting pipe 3 is arranged above the sample inlet 21, connection between the gas chromatograph and an external sample injector can be realized, further convenient transportation of the sample is realized, smooth detection work is ensured, and the connecting pipe 3 is clamped with the sample injection pipe 15 by using a clamping sleeve 4, so that stability and practicability of connection are ensured; in order to improve the connection stability between the parts of the device, the lower end periphery of the connecting pipe 3 is provided with a clamping sleeve 4 for realizing the locking of the connecting pipe 3 and the sample inlet 21, wherein the clamping sleeve 4 is sleeved on the periphery of the connecting pipe 3 and can move up and down relative to the connecting pipe 3, and the purpose of the clamping sleeve is to realize the clamping between the connecting pipe 3 and the sample inlet 15; in order to further improve the tightness of the device equipment to the clamping sleeve 4, the fastening device 5 is arranged at the rear of the connecting pipe 3, wherein the fastening device 5 is positioned at the top of the box body 2, compared with the sample inlet 21, the corner of the left rear top of the box body 2 is closer to the front end of the box body 2, the purpose is to be pressed down on the periphery of the upper end of the clamping sleeve 4, the connection stability of the connecting pipe 3 and the sample inlet 15 by the clamping sleeve 4 is further ensured, the fastening device 5 comprises a placing frame 6 in a T-shaped design, a supporting plate 7 is arranged above the rear end of the placing frame 6, wherein the supporting plate 7 is fixedly arranged on the short edge of the placing frame 6 far away from one side of the connecting pipe 3, the purpose is to facilitate the establishment of a pull rod 12, two rotating rods 8 are symmetrically arranged at the corners of the two ends in the placing frame 6, the front end of the rotating rod 8 is provided with a clamping block 9 in a comma shape, and the clamping block 9 can rotate under the action of the rotating rod 8, further effectively abuts against the upper end of the clamping sleeve 4, and further fixation is completed; the rear end of the rotating rod 8 is provided with a U-shaped rotating locking block 10 which is positioned on the end part of the rotating rod 8 far away from one side of the clamping block 9, and the rotating locking block 10 drives the rotating rod 8 to rotate under the lifting action of the placing plate 11 so as to ensure the effective execution of fastening work; be provided with between two rotation locking piece 10 and place dish 11, be provided with pull rod 12 and run through backup pad 7 design in placing the dish 11, through the free pull of operating personnel to pull rod 12, can drive and place the dish 11 and freely go up and down, at this moment, under the setting up of rotation locking piece 10 part, it can cooperate with placing between the dish 11, pull rod 12 periphery is provided with locking nut 13, concretely described is: when the pull rod 12 moves downwards, the rotary locking block 10 can be driven to rotate downwards, and at the moment, the rotating rod 8 also rotates and drives the clamping block 9 to rotate, so that the end part of the clamping block 9 abuts against the upper end of the clamping sleeve 4, and the locking nut 13 is screwed down, so that the fastening and locking of the pipeline are completed; conversely, when the connecting pipe 3 needs to be removed, the locking nut 13 is firstly loosened, and the drawing rod 12 is pulled upwards to finish the loosening of the pipeline, so that the use requirement of people is met; the periphery of the clamping block 9 and the rotary locking block 10 is also provided with an adjusting nut 14 which can effectively fix the clamping block 9 and the rotary locking block 10 on the rotating rod 8, so that the consistency of rotation between the clamping block 9 and the rotary locking block is ensured, and the realization of fastening and locking work is ensured; in the above process: through the clamping sleeve 4 and the clamping ball 31, the two pipelines can be effectively connected in a clamping way through mutual matching, so that the convenience of connection is improved, and the practicability of equipment is improved; through the fastening device 5, the connection tightness between the connecting pipe 3 and the sample injection pipe 15 can be further improved, the stability is higher, the practical functionality of device equipment is guaranteed, the effective development of detection work is guaranteed, meanwhile, the risk coefficient of the connecting pipe 3 in the installation process is reduced, the personal safety of operators is fully guaranteed, the economic cost is saved, and the use requirement of people is met; this device reasonable in design, simple structure, processing convenience just can effectively guarantee the installation stability between the pipeline, promote the connection convenience between its device part, guarantee to detect effectively developing of work, reduce danger coefficient to guarantee operating personnel's personal safety, save economic cost and satisfy people user demand.

In order to realize convenient clamping connection between the connecting pipe 3 and the sampling pipe 15, a clamping ball 31 is arranged in the lower end of the connecting pipe 3, and can be matched with the annular groove 151 to ensure effective clamping operation; in order to realize that the clamping ball 31 can be effectively clamped with the annular groove 151, the clamping sleeve pipe 4 is sleeved on the outer periphery of the connecting pipe 3, and the inner side wall of the clamping sleeve pipe abuts against the outer periphery of the clamping ball 31; the telescopic spring (not shown in the figure) is arranged between the lower side in the clamping sleeve 4 and the upper end connecting pipe 3 of the clamping ball 31, and is mainly used for driving the clamping sleeve 4 to reset, so that the clamping ball 31 is limited, and what needs to be further explained is that: the connecting pipe 3, the clamping sleeve pipe 4, the clamping ball 31 and the telescopic spring are all established in the prior art, the working principle of the device is the same as that of a water tap quick connector of a washing machine in the prior art, the operation is simple and convenient, the quick connection between the sample inlet pipe 15 and the connecting pipe 3 can be realized, and the sealing performance is good; in order to increase the filling convenience and the smoothness of circulation of the sample, a sample inlet tube 15 is arranged in the sample inlet 21, and an annular groove 151 matched with the clamping ball 31 is formed at the upper end of the periphery of the sample inlet tube 15, so that the clamping ball 31 can be effectively clamped in the annular groove 151 to complete the connection between two pipeline components, and the following specific descriptions are provided: when connecting pipe 3 and sampling tube 15, at first upwards pulling joint sleeve 4 for joint ball 31 exposes, establishes the top at sampling tube 15 with connecting pipe 3 cover afterwards, and make the position of joint ball 31 and annular 151 corresponding and guarantee that joint ball 31 can effectively be located the periphery of annular 151, at this moment, unclamp joint sleeve 4, it takes place to reset under the drive of extension spring, in order to restrict joint ball 31 and support it and advance into annular 151, just so can effectively accomplish the joint connection between connecting pipe 3 and the sampling tube 15, the installation process of device equipment has been promoted to a certain extent, the connection convenience between its parts has also been improved, the time cost has been saved, and can guarantee the effective development of detection work.

In order to ensure effective injection of the sample, the lower end of the sample injection tube 15 is provided with an injection tube 16 which corresponds to a detection component in the gas chromatograph so as to enable the sample to smoothly finish detection; in order to improve the design rationality of the device and facilitate the installation or maintenance of the device components in the device, an opening and closing door 17 is arranged at one side of the front end of the box body 2; in order to fully satisfy the user demand of people, be provided with function keypad 18 and workspace 19 from top to bottom in the opposite side of box 2 front end to conveniently bring different service functions for people, in order to realize the convenient derivation and the demonstration to the testing result, be provided with display screen 20 in the function keypad 18, and then be convenient for people carry out corresponding data record, the acquisition of testing result of being convenient for, further, the setting up of above-mentioned function district is the known technique on the current gas chromatograph, the service function that its ability was exerted, can effectively know to the person of skill in the art, and is not repeated here.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a gas chromatograph for ecological environment detects, includes the gas chromatograph body, the gas chromatograph body include the box, upper end one side of box be provided with the inlet, its characterized in that, the inlet upper end be provided with the connecting pipe, the lower extreme periphery of connecting pipe be provided with the joint sleeve pipe that is used for realizing connecting pipe and inlet looks locking, the rear of connecting pipe be provided with fastener, fastener including the rack that is T type design, the rear end top of rack be provided with the backup pad, the both ends corner symmetry in the rack be provided with two bull sticks, the bull stick front end be provided with the chucking piece that is comma shape design, the bull stick rear end be provided with the rotation locking piece that is U-shaped design, two the rotation locking piece between be provided with the placing tray, the placing tray in be provided with the pull rod and run through the backup pad design, the pull rod periphery be provided with locking nut, chucking piece and rotation locking piece's periphery still be provided with adjusting nut.

2. The gas chromatograph for detecting the ecological environment according to claim 1, wherein the clamping ball is arranged in the lower end of the connecting pipe, the clamping sleeve is sleeved on the periphery of the connecting pipe, the inner side wall of the clamping sleeve is propped against the periphery of the clamping ball, a telescopic spring is arranged between the lower side of the clamping sleeve and the connecting pipe at the upper end of the clamping ball, the sample inlet is internally provided with a sample inlet pipe, and the upper end of the periphery of the sample inlet pipe is provided with a ring groove matched with the clamping ball.

3. The gas chromatograph for detecting ecological environment according to claim 2, wherein the injection tube is arranged at the lower end of the sample inlet tube, the opening and closing door is arranged at one side of the front end of the box body, the functional key area and the working area are arranged on the other side of the front end of the box body up and down, and the display screen is arranged in the functional key area.