CN217006507U

CN217006507U - A negative pressure type sampling device for high-purity tetraethoxysilane

Info

Publication number: CN217006507U
Application number: CN202220140177.1U
Authority: CN
Inventors: 曹新华; 丁雪原; 刘加飞
Original assignee: Rizhao Dongrun Silicone Co ltd
Current assignee: Rizhao Dongrun Silicone Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-19
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a negative pressure type sampling device for high-purity ethyl silicate, and particularly relates to the technical field of negative pressure type sampling devices for ethyl silicate. According to the collecting bottle, the connecting seat is connected with the collecting bottle, the telescopic rods at the bottom end in the connecting seat can be contracted, the springs at the outer ends of the telescopic rods can be deformed, the deformed springs can apply a force to the sealing plate, so that the sealing plate is tightly attached to the top of the collecting bottle, the sealing performance of the collecting bottle is improved, and then the rubber plate at one end of the connecting rod can slide in the air cylinder by pulling the connecting rod, so that air in the collecting bottle is pumped out.

Description

Negative pressure type sampling device for high-purity ethyl orthosilicate

Technical Field

The utility model relates to the technical field of negative pressure type sampling devices for ethyl silicate, in particular to a negative pressure type sampling device for high-purity ethyl silicate.

Background

The tetraethoxysilane is colorless transparent liquid at normal temperature and contains special odor, the tetraethoxysilane is decomposed into ethanol and silicic acid when meeting water, the tetraethoxysilane is easy to be turbid in humid air and can be dissolved in organic solvents such as alcohol, ether and the like, the tetraethoxysilane has certain toxicity and has strong irritation to human eyes and respiratory tracts, and therefore, a sampling device is needed to be used for taking out the tetraethoxysilane when the tetraethoxysilane is used.

The prior art has the following defects: the ethyl silicate negative pressure sampling structure who uses on the existing market is fairly simple, lacks seal structure, leads to when taking a sample to ethyl silicate, leads to losing heart easily to can't form a negative pressure.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a negative pressure type sampling device for high-purity ethyl silicate, which aims to solve the problem that negative air pressure cannot be formed due to easy air leakage in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: a negative pressure type sampling device for high-purity ethyl orthosilicate comprises a collecting bottle, wherein a connecting seat is in threaded connection with the top of the collecting bottle, a vacuum connector is fixedly connected to the top of the connecting seat, a guide pipe is connected to the inside of the vacuum connector, one end of the guide pipe penetrates through the vacuum connector and extends into the collecting bottle, a plurality of telescopic rods are mounted at the top end of the inside of the connecting seat, springs are sleeved at the outer ends of the telescopic rods, a sealing plate is fixedly connected to the bottom ends of the telescopic rods, one end of each spring is fixedly connected with the corresponding sealing plate, a connecting pipe is communicated with one side of the vacuum connector, a first control valve is arranged at the outer end of the connecting pipe, an air cylinder is communicated with one end of the first control valve, a rubber plate is connected to the inside of the air cylinder in a sliding and sealing mode, a connecting rod is arranged on one side of the rubber plate and penetrates through the air cylinder, the fixed limiting plate that is provided with of one end of connecting rod, the outer end of inflator is provided with ventilative structure, when using, links together connecting seat and receiving flask, and the inside telescopic link of connecting seat can contract to make the spring take place to deform, the spring can exert a power to the closing plate, and the closing plate can seal receiving flask and connecting seat, then takes out the inside air of receiving flask through the connecting rod again.

Further, ventilative structure includes the outlet duct, outlet duct fixed mounting is in the outer end of inflator and outlet duct and inflator intercommunication, the top fixedly connected with connecting seat of outlet duct, the inside of connecting seat is provided with the filter, the outer end of connecting seat is provided with a plurality of fixing bases, the inside swing joint of fixing base has the buckle, the inside both sides of fixing base all are provided with the coil spring, the one end and the buckle fixed connection of coil spring, the outer end of outlet duct is provided with the second control valve, and when the inside gas of collecting bottle got into the inflator inside, through the outlet duct discharge, the filter on outlet duct top can filter the harmful substance in the air to avoid the air to receive the pollution.

Furthermore, a plurality of filtering holes are formed in the filtering plate, so that gas in the inflator can be filtered.

Further, the cross-section processing of buckle becomes the type of falling L, conveniently fixes the filter.

Further, the top processing of receiving flask has the external screw thread, the inside processing of connecting seat has the internal thread, the receiving flask passes through threaded connection with the connecting seat, conveniently connects connecting seat and receiving flask.

Furthermore, the outer end processing of collecting bottle has the scale mark, can conveniently take a sample to ethyl silicate through the scale mark.

Furthermore, a through hole is formed in one side of the vacuum connector, the size of the through hole is matched with that of the connecting pipe, and gas in the collecting bottle is pumped out through the connecting pipe.

The utility model has the following advantages:

1. according to the utility model, by arranging the telescopic rods, the springs, the sealing plate, the connecting pipe and the first control valve, when the collecting bottle is used, the connecting seat is connected with the collecting bottle, the telescopic rods at the bottom end inside the connecting seat can be contracted, the springs at the outer ends of the telescopic rods can be deformed, and the deformed springs can apply a force to the sealing plate, so that the sealing plate is tightly attached to the top of the collecting bottle, the sealing property of the collecting bottle is improved, and then the rubber plate at one end of the connecting rod can slide in the air cylinder by pulling the connecting rod, so that the gas in the collecting bottle is pumped out;

2. according to the utility model, the air outlet pipe, the connecting seat, the filter plate, the fixing seat and the buckle are arranged, when the gas in the collecting bottle is pumped into the air cylinder, the gas needs to be discharged, the second control valve is opened, the gas flows out through the air outlet pipe and is filtered by the filter plate in the connecting seat, so that air pollution caused by the gas is avoided, when the gas needs to be replaced, the buckle is rotated, the filter plate is separated from the connecting seat, and the filter plate is convenient to replace.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a side view provided by the present invention;

FIG. 3 is a schematic view of a venting structure provided by the present invention;

FIG. 4 is an enlarged view of A of FIG. 1 in accordance with the present invention;

fig. 5 is an enlarged view of B in fig. 3 according to the present invention.

In the figure: the device comprises a collecting bottle 1, a connecting seat 2, a vacuum connector 3, a guide tube 4, a telescopic rod 5, a spring 6, a sealing plate 7, a connecting tube 8, a first control valve 9, an air cylinder 10, a rubber plate 11, a connecting rod 12, a limiting plate 13, an air outlet tube 14, a connecting seat 15, a filtering plate 16, a fixing seat 17, a buckle 18, a coil spring 19 and a second control valve 20.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-2 and 4 of the specification, the negative pressure type sampling device for high purity ethyl silicate of the embodiment comprises a collecting bottle 1, wherein the top of the collecting bottle 1 is in threaded connection with a connecting seat 2, scale marks are processed at the outer end of the collecting bottle 1, ethyl silicate can be conveniently sampled through the scale marks, external threads are processed at the top of the collecting bottle 1, internal threads are processed inside the connecting seat 2, the collecting bottle 1 is in threaded connection with the connecting seat 2, a vacuum connector 3 is fixedly connected to the top of the connecting seat 2, a guide pipe 4 is connected inside the vacuum connector 3, one end of the guide pipe 4 penetrates through the vacuum connector 3 and extends into the collecting bottle 1, a plurality of telescopic rods 5 are installed at the top end of the inside of the connecting seat 2, springs 6 are sleeved at the outer ends of the plurality of telescopic rods 5, and a sealing plate 7 is fixedly connected to the bottom ends of the plurality of telescopic rods 5, one end of the spring 6 is fixedly connected with the sealing plate 7, one side of the vacuum connector 3 is communicated with a connecting pipe 8, one side of the vacuum connector 3 is provided with a through hole, the size of the through hole is matched with that of the connecting pipe 8, the outer end of the connecting pipe 8 is provided with a first control valve 9, one end of the first control valve 9 is communicated with an air cylinder 10, the interior of the air cylinder 10 is connected with a rubber plate 11 in a sliding and sealing mode, one side of the rubber plate 11 is provided with a connecting rod 12, the connecting rod 12 penetrates through the air cylinder 10, one end of the connecting rod 12 is fixedly provided with a limiting plate 13, the outer end of the air cylinder 10 is provided with a ventilating structure, when the connecting seat 2 is connected with the collecting bottle 1, the telescopic rod 5 in the connecting seat 2 can be contracted, so that the spring 6 deforms, the spring 6 can apply a force to the sealing plate 7, and the sealing plate 7 can seal the collecting bottle 1 with the connecting seat 2, the air inside the collecting bottle 1 is then evacuated again through the connecting rod 12.

The implementation scenario is specifically as follows: when the collecting bottle sealing device is used, the connecting seat 2 and the collecting bottle 1 are connected together, the telescopic rods 5 at the bottom end in the connecting seat 2 can be contracted, the springs 6 at the outer ends of the telescopic rods 5 can be deformed, the deformed springs 6 can apply a force to the sealing plate 7, so that the sealing plate 7 is tightly attached to the top of the collecting bottle 1, the sealing performance of the collecting bottle sealing device is improved, and then the rubber plate 11 at one end of the connecting rod 12 can slide in the inflator 10 by pulling the connecting rod 12, so that gas in the collecting bottle 1 is pumped out.

Referring to the attached drawings 1-3 and 5 of the specification, the negative pressure type sampling device for high purity ethyl silicate of the embodiment further comprises a ventilation structure, the ventilation structure comprises an air outlet pipe 14, the air outlet pipe 14 is fixedly installed at the outer end of the air cylinder 10, the air outlet pipe 14 is communicated with the air cylinder 10, the top of the air outlet pipe 14 is fixedly connected with a connecting seat 15, a filter plate 16 is arranged inside the connecting seat 15, a plurality of filter holes are formed inside the filter plate 16, the gas inside the air cylinder 10 can be filtered, the outer end of the connecting seat 15 is provided with a plurality of fixing seats 17, a buckle 18 is movably connected inside the fixing seat 17, the cross section of the buckle 18 is processed into an inverted L shape, the filter plate 16 is conveniently fixed, both sides inside the fixing seat 17 are provided with coil springs 19, and one end of each coil spring 19 is fixedly connected with the buckle 18, the outer end of the air outlet pipe 14 is provided with a second control valve 20, when the air in the collecting bottle 1 enters the air cylinder 10, the air is discharged through the air outlet pipe 14, and the filter plate 16 at the top end of the air outlet pipe 14 filters harmful substances in the air, so that the air is prevented from being polluted.

The implementation scene is specifically as follows: when inside with the inside gas suction inflator 10 of collecting bottle 1, need discharge it, open second control valve 20, gas flows out through outlet duct 14, filters through the inside filter 16 of connecting seat 15 to avoid gas to cause air pollution, when needing to be changed, rotate buckle 18, make filter 16 break away from connecting seat 15, the convenience is to the change of filter 16.

Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a negative pressure type sampling device for high-purity tetraethoxysilane, includes collecting flask (1), its characterized in that: the collecting bottle is characterized in that the top of the collecting bottle (1) is in threaded connection with a connecting seat (2), the top of the connecting seat (2) is fixedly connected with a vacuum connector (3), the inside of the vacuum connector (3) is connected with a guide pipe (4), one end of the guide pipe (4) penetrates through the vacuum connector (3) and extends into the collecting bottle (1), a plurality of telescopic rods (5) are installed at the top end of the inside of the connecting seat (2), springs (6) are sleeved at the outer ends of the telescopic rods (5), a sealing plate (7) is fixedly connected with the bottom ends of the telescopic rods (5), one end of each spring (6) is fixedly connected with the sealing plate (7), one side of the vacuum connector (3) is communicated with a connecting pipe (8), a first control valve (9) is arranged at the outer end of the connecting pipe (8), and an air cylinder (10) is communicated with one end of the first control valve (9), the inside sliding seal of inflator (10) is connected with rubber slab (11), one side of rubber slab (11) is provided with connecting rod (12), connecting rod (12) run through inflator (10), the fixed limiting plate (13) that is provided with of one end of connecting rod (12), the outer end of inflator (10) is provided with ventilative structure.

2. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 1, characterized in that: the breathable structure includes outlet duct (14), outlet duct (14) fixed mounting is in the outer end of inflator (10) and outlet duct (14) and inflator (10) intercommunication, the top fixedly connected with connecting seat of outlet duct (14), the inside of connecting seat is provided with filter (16), the outer end of connecting seat is provided with a plurality of fixing base (17), the inside swing joint of fixing base (17) has buckle (18), the inside both sides of fixing base (17) all are provided with wind spring (19), the one end and the buckle (18) fixed connection of wind spring (19), the outer end of outlet duct (14) is provided with second control valve (20).

3. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 2, characterized in that: a plurality of filter holes are formed in the filter plate (16).

4. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 2, characterized in that: the section of the buckle (18) is processed into an inverted L shape.

5. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 1, characterized in that: the top processing of collecting bottle (1) has the external screw thread, the inside processing of connecting seat (2) has the internal thread, collecting bottle (1) passes through threaded connection with connecting seat (2).

6. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 1, characterized in that: the outer end of the collecting bottle (1) is provided with scale marks.

7. The negative pressure type sampling device for high purity tetraethoxysilane according to claim 1, characterized in that: and a through hole is formed in one side of the vacuum connector (3), and the size of the through hole is matched with that of the connecting pipe (8).