CN212807775U

CN212807775U - Gas sampling and pumping device

Info

Publication number: CN212807775U
Application number: CN202021846376.1U
Authority: CN
Inventors: 蓝世华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2021-03-26
Anticipated expiration: 2030-08-30

Abstract

The utility model relates to a gaseous sampling device field especially relates to a gaseous sampling suction device, including the suction tube with the suction nozzle of intercommunication terminal surface under, the up end activity of suction tube has penetrated the pump rod, the lower extreme fixedly connected with of pump rod slides and sets up at the inboard piston of suction tube, the first extension spring of fixedly connected with between the up end of piston and the inboard top surface of suction tube, the surface of pump rod is close to upper end department and extends gag lever post and depression bar respectively towards both sides, the L type fixture block of card in the depression bar outside is extended to the up end of suction tube, the surface of suction tube is provided with the extension frame that extends towards the top, the top that one side surface of extension frame is close to the suction tube extends the second horizontal pole, the utility model discloses can stretch into the inboard to the device with the position of taking a sample, the extraction process is convenient simultaneously.

Description

Gas sampling and pumping device

Technical Field

The utility model relates to a gas sampling device field especially relates to a gas sampling suction device.

Background

Gas sampling is more common, at industrial production's in-process, to the inboard gas sampling of reaction unit to follow-up gas situation to the device carries out the analysis, and in the current sampling process, utilize the suction tube to aspirate, be difficult to stretch into the inboard of device and take a sample, secondly, the artificial pulling suction rod of sampling process drives the piston and extracts, and the process of aspirating the sample in the inboard narrow and small space of device is comparatively inconvenient, and for this reason, we have proposed a gas sampling suction device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas sampling and pumping device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a gas sampling suction device, includes the suction tube and communicates the suction nozzle of terminal surface under, the up end activity of suction tube has penetrated and has taken out the pole, the lower extreme fixedly connected with of taking out the pole slides and sets up the piston inboard at the suction tube, the first extension spring of fixedly connected with between the up end of piston and the inboard top surface of suction tube, the surface of taking out the pole is close to upper end department and extends gag lever post and depression bar respectively towards both sides, the up end of suction tube extends the L type fixture block in the depression bar outside, the surface of suction tube is provided with the extension frame that extends towards the top, the top that one side surface that adds the extension frame is close to the suction tube extends the second horizontal pole, the surface of second horizontal pole slides and passes there is the movable rod, the lower extreme of movable rod is provided with the mechanism that pushes away that.

Preferably, push away the mechanism and include from the movable rod surface near the protruding T type piece of second horizontal pole below department, both ends fixed connection in the second extension spring between T type piece up end and second horizontal pole lower extreme face, the clamp plate of the lower terminal surface slope that extends from T type piece lower extreme face, swing contact between the lower extreme face of clamp plate and the surface of depression bar.

Preferably, the inner wall of the suction nozzle is provided with at least two groups of rubber petals, and the rubber petals jointly and movably seal the inner side of the suction nozzle.

Preferably, the upper end of the lengthening frame is bent to form a first cross rod, the upper end of the movable rod movably penetrates through the upper end face of the first cross rod, the upper end of the movable rod is fixedly connected with a holding handle, and a connecting part of the lengthening frame and the first cross rod extends out of the holding column.

Preferably, one end of the limiting rod is fixedly connected with a weighting ball, and the limiting rod and the pressing rod are coaxially arranged.

Preferably, the lower extreme of extension frame is connected with the spacing ring of cover at the suction tube surface, the external surface fixation of suction tube is provided with the bulge loop, the up end of spacing ring holds the lower terminal surface of bulge loop.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses with the help of lengthening the frame, can stretch into the inboard of device with the suction tube and take a sample, through pressing the movable rod, make the depression bar be pressed to the clamp plate, and then make the suction rod drive the gag lever post and rotate jointly, the gag lever post breaks away from the inboard back of L type fixture block, under the pulling force effect of first extension spring, make the piston drive the suction rod and shift up jointly, thereby with the inboard of gaseous suction tube, accomplish the process of sample, this in-process can stretch into the inboard to the device with the help of lengthening the frame with the help of the position of taking a sample, the sample can be accomplished to the movable rod only need to be pressed to the extraction in-process simultaneously, the.

Drawings

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

fig. 2 is a cross-sectional view of the suction tube of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the T-shaped block of the present invention.

In the figure: 1. a suction tube; 2. a suction nozzle; 3. a piston; 4. a first tension spring; 5. drawing a rod; 6. a limiting rod; 7. an L-shaped fixture block; 8. weighting the ball; 9. a projecting ring; 10. a limiting ring; 11. lengthening frames; 12. a first cross bar; 13. a holding post; 14. a movable rod; 15. a grip handle; 16. a second cross bar; 17. a T-shaped block; 18. a second tension spring; 19. pressing a plate; 20. a pressure lever; 21. rubber petals.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, a gas sampling suction device includes a suction tube 1 and a suction nozzle 2 communicated with a lower end surface, a suction rod 5 movably penetrates through an upper end surface of the suction tube 1, a piston 3 slidably disposed inside the suction tube 1 is fixedly connected to a lower end of the suction rod 5, a first tension spring 4 is fixedly connected between an upper end surface of the piston 3 and an inner top surface of the suction tube 1, a limit rod 6 and a compression rod 20 extend from an outer surface of the suction rod 5 toward two sides, respectively, a L-shaped fixture block 7 clamped outside the compression rod 20 extends from the upper end surface of the suction tube 1, an extension frame 11 extending upward is disposed on the outer surface of the suction tube 1, a second cross rod 16 extends from an upper portion of an outer surface of one side of the extension frame 11, which is close to the suction tube 1, a movable rod 14 slidably penetrates through an outer surface of the second cross rod 16, and a pushing mechanism contacting with an.

The pushing mechanism comprises a T-shaped block 17 protruding from the outer surface of the movable rod 14 and close to the lower portion of the second cross rod 16, a second tension spring 18 with two ends fixedly connected between the upper end face of the T-shaped block 17 and the lower end face of the second cross rod 16, and a pressing plate 19 extending from the lower end face of the T-shaped block 17 and inclined at the lower end face, wherein the lower end face of the pressing plate 19 is in movable contact with the outer surface of the pressing rod 20, the movable rod 14 is pressed, the T-shaped block 17 and the pressing plate 19 are driven to press the pressing rod 20, and after hands are loosened, under the action of the second tension spring 18, the T-shaped block 17 and the pressing plate.

Be provided with rubber lamella 21 on the inner wall of suction nozzle 2, two sets ofly are no less than to the quantity of rubber lamella 21, and rubber lamella 21 joint activities seals the inboard of suction nozzle 2, and during the suction, the inboard atmospheric pressure of suction tube 1 reduces, and in the outside was gaseous to be washed through rubber lamella 21 and gets into suction tube 1, when stopping the suction, rubber lamella 21 played the effect of shutoff, further promoted the gaseous purity of sample.

First horizontal pole 12 is bent out to the upper end of extension frame 11, and the up end of first horizontal pole 12 is passed in the activity of the upper end of movable rod 14, and the upper end fixedly connected with of movable rod 14 holds handle 15, and the junction of extension frame 11 and first horizontal pole 12 extends and stretches out and holds post 13, and convenient to use person holds the device and takes.

The one end department fixedly connected with of gag lever post 6 adds heavy ball 8, and mutual coaxial setting between gag lever post 6 and the depression bar 20, when the depression bar 20 was pressed to clamp plate 19, the effect of throwing away of gag lever post 6 was more obvious because of the effect of adding heavy ball 8, does benefit to the inboard that gag lever post 6 breaks away from L type fixture block 7.

The lower extreme of extension frame 11 is connected with the cover and establishes the spacing ring 10 at the suction tube 1 surface, and the fixed surface of suction tube 1 is provided with bulge loop 9, and the up end of spacing ring 10 holds the lower terminal surface of bulge loop 9, prevents that suction tube 1 from shifting down when pressing movable rod 14.

The during operation, the user is with the help of lengthening frame 11, can stretch into the inboard of device with suction tube 1 and take a sample, through pressing movable rod 14, make clamp plate 19 press depression bar 20, and then make suction rod 5 drive gag lever post 6 and rotate jointly, gag lever post 6 breaks away from behind the inboard of L type fixture block 7, under the tensile force effect of first extension spring 4, make piston 3 drive suction rod 5 shift up jointly, thereby inhale the inboard of suction tube 1 with gas, accomplish the process of sample, this in-process can stretch into the inboard of device with the help of lengthening frame 11 with the position of taking a sample, the extraction in-process only needs to press movable rod 14 to accomplish the sample simultaneously, the extraction process is convenient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gas sampling suction device, includes suction tube (1) and intercommunication suction nozzle (2) at terminal surface down, its characterized in that: the upper end surface of the suction pipe (1) movably penetrates through a suction rod (5), the lower end of the suction rod (5) is fixedly connected with a piston (3) which is arranged on the inner side of the suction pipe (1) in a sliding mode, a first tension spring (4) is fixedly connected between the upper end surface of the piston (3) and the inner side top surface of the suction pipe (1), the outer surface of the suction rod (5) close to the upper end and extends towards two sides to form a limiting rod (6) and a compression rod (20) respectively, an L-shaped fixture block (7) clamped on the outer side of the compression rod (20) extends out of the upper end surface of the suction pipe (1), an extension frame (11) extending towards the upper side is arranged on the outer surface of the suction pipe (1), a second cross rod (16) extends out of the upper side of the outer surface of one side of the extension frame (11) close to the suction pipe (1), and, the lower end of the movable rod (14) is provided with a pushing mechanism which is contacted with the outer surface of the pressure rod (20).

2. A gas sampling pumping apparatus according to claim 1, wherein: the pushing mechanism comprises a T-shaped block (17) protruding from the outer surface of the movable rod (14) and close to the lower part of the second cross rod (16), a second tension spring (18) with two ends fixedly connected between the upper end surface of the T-shaped block (17) and the lower end surface of the second cross rod (16), and a pressing plate (19) with a lower end surface inclined and extending from the lower end surface of the T-shaped block (17), wherein the lower end surface of the pressing plate (19) is in movable contact with the outer surface of the pressing rod (20).

3. A gas sampling pumping apparatus according to claim 1, wherein: the inner wall of the suction nozzle (2) is provided with rubber petals (21), the number of the rubber petals (21) is not less than two, and the rubber petals (21) jointly and movably seal the inner side of the suction nozzle (2).

4. A gas sampling pumping apparatus according to claim 1, wherein: first horizontal pole (12) are bent out to the upper end of extension frame (11), the up end of first horizontal pole (12) is passed in the upper end activity of movable rod (14), and the upper end fixedly connected with of department of movable rod (14) grips handle (15), extension of the junction of extension frame (11) and first horizontal pole (12) grips post (13).

5. A gas sampling pumping apparatus according to claim 1, wherein: one end of the limiting rod (6) is fixedly connected with a weighting ball (8), and the limiting rod (6) and the pressing rod (20) are coaxially arranged.

6. A gas sampling pumping apparatus according to claim 1, wherein: the lower extreme of extension frame (11) is connected with the cover and establishes spacing ring (10) at suction tube (1) surface, the external fixed surface of suction tube (1) is provided with bulge loop (9), the lower terminal surface of bulge loop (9) is held to the up end of spacing ring (10).