CN214441537U

CN214441537U - Reducing sampling needle of airtight sample thief

Info

Publication number: CN214441537U
Application number: CN202023274387.XU
Authority: CN
Inventors: 邓家祥
Original assignee: Maxtor Dimensional Precision Instrument Manufacturing Co ltd Of Hebei
Current assignee: Maxtor Dimensional Precision Instrument Manufacturing Co ltd Of Hebei
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-22
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a reducing sampling needle of airtight sample thief, including the sample thief body, sample thief body bottom is provided with the support, the support side is provided with the backup pad, the roof is installed through electric putter in backup pad top, the sampling bottle is installed through the mount pad in the roof top, the sample thief body openly installs the reducing circle through the bracket, inside the inserting of reducing circle is equipped with reducing sampling needle, the inside sampling flowmeter that is provided with of reducing sampling needle, the conical head is installed through the connecting seat of bottom to the reducing sampling needle, the conical head bottom is provided with the induction head of touching-proof end. The utility model has the advantages of being scientific and reasonable in structural design, possible accurate quantitative sampling, the sampling efficiency is high, simultaneously, can prevent reducing sampling needle bottom wearing and tearing, has reached the effect of safe sampling.

Description

Reducing sampling needle of airtight sample thief

Technical Field

The utility model relates to an airtight sample thief equipment technical field specifically is a reducing sampling needle of airtight sample thief.

Background

The closed sampler mainly comprises a box body, a sampling bottle, a sampling valve, a pressure gauge, a valve, a flange and the like. The sampling device is mainly used for leak-free sampling of various media under the process condition in pipelines in petroleum and chemical devices, is used for laboratory analysis and test, and provides guarantee for process production. The collected sample has strong authenticity, high accuracy and no discharge of residual liquid and residual gas, and effectively prevents the harm of toxic and harmful media to operators. Meanwhile, the environment is not polluted, and dangerous accidents possibly caused by flammable and explosive media during sampling are avoided. Meets the national requirements for environmental protection, fire prevention and explosion prevention. The existing airtight samplers mainly comprise two types, namely a pipeline liquid airtight sampler and a pipeline gas airtight sampler. Wherein, the airtight sample thief of pipeline liquid mainly is applied to on the collection pipeline: various flammable, explosive, toxic and harmful liquids, acid and alkali corrosion, high temperature and high pressure, easy condensation and easy coagulation. The pipeline gas closed sampler is mainly applied to a collecting pipeline: various flammable, explosive, toxic and harmful gases, acid and alkali corrosion, high temperature and pressure, easy condensation and easy condensation. When current sample thief used, the liquid level location of sampling needle is inaccurate, if the splendid attire sample be fragile glass finished piece such as test tube, the inaccurate meeting of location can lead to sampling needle and container inner wall to contact, thereby make the container puncture by the sampling needle, perhaps lead to the crooked damage of sampling needle syringe needle, in addition, remain the sampling medium last time in the sample thief easily, cause sampling medium purity not high at every turn, influence analysis chemical examination result. Therefore, the reducing sampling needle of the closed sampler is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reducing sampling needle of airtight sample thief to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reducing sampling needle of a closed sampler comprises a sampler body, wherein a bracket is arranged at the bottom of the sampler body, a supporting plate is arranged on the side surface of the bracket, a top plate is arranged at the top of the supporting plate through an electric push rod, the top of the top plate is provided with a sampling bottle through a mounting seat, the front surface of the sampler body is provided with a reducing ring through a bracket, a reducing sampling needle is inserted in the reducing ring, a sampling flowmeter is arranged in the reducing sampling needle, the reducing sampling needle is provided with a conical head through a connecting seat at the bottom, the bottom of the conical head is provided with a bottom-touch-proof induction head, a pressure sensor is arranged in the conical head, the top of the reducing sampling needle is connected with a storage cylinder through a sampling pipe, the sampler body is provided with a nitrogen valve, the bottom of the nitrogen valve is connected with a cleaning pipe, and the bottom end of the cleaning pipe is inserted into the reducing ring.

Preferably, the bottom of the bracket is provided with a fixing block.

Preferably, both ends of the top plate are movably connected with the side wall of the support.

Preferably, the reducing ring is formed by splicing a plurality of hollow truncated cone structures with different diameters, and the diameter of the truncated cone structure is gradually reduced from top to bottom.

Preferably, the conical head is spirally connected with the connecting seat.

Preferably, the side of the bracket is provided with a controller.

Compared with the prior art, the beneficial effects of the utility model are that: the reducing sampling needle of the closed sampler has simple and reasonable structural design and stronger practicability, the height of the top plate and the sampling bottle on the top plate can be adjusted by arranging the electric push rod, thereby improving the sampling efficiency, and the sampling needle is suitable for the sampling work of the sampling bottles with various heights, the reducing sampling needles with various diameters can be fixedly installed by arranging the reducing ring, thereby facilitating the sampling work of the sampling needle, the reducing sampling needles with different sizes can be selected according to different heights and opening sizes of the sampling bottles when in use, thereby achieving better sampling effect, the bottom touch prevention induction head capable of sensing pressure through the pressure sensor can be arranged, the needle head of the reducing sampling needle can be prevented from being excessively deeply inserted into the sampling bottle to be contacted with the bottle bottom to generate bending or damage during sampling, thereby preventing the bottom of the reducing sampling needle from being worn, achieving the effect of safe sampling, and clean gas can be sprayed into the inside of the reducing ring by arranging the cleaning pipe, the surface of the reducing sampling needle and the attached survivors of the inner wall of the reducing ring in the sampling process are removed under the continuous action of the air flow, so that the cleanness of the surface of the reducing sampling needle and the inner wall of the reducing ring is ensured, the next sampling work is facilitated, and the accuracy of the sampling work is ensured.

Drawings

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

fig. 2 is the utility model discloses reducing sampling needle inner structure schematic diagram.

In the figure: the sampler comprises a sampler body 1, a support 11, a fixing block 12, a supporting plate 13, a top plate 14, an electric push rod 15, a sampling bottle 16, a bracket 17, a diameter-variable ring 18, a diameter-variable sampling needle 2, a sampling flowmeter 21, a connecting seat 22, a cone 23, a bottom-touch-proof induction head 24, a pressure sensor 25, a sampling pipe 26, a storage cylinder 27, a nitrogen valve 28, a cleaning pipe 29 and a controller 3.

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. 1-2, the present invention provides a technical solution: the utility model provides a reducing sampling needle of airtight sample thief, including sample thief body 1, 1 bottom of sample thief body is provided with

support

11, 11 bottoms of support are provided with fixed block 12, 11 sides of support are provided with

backup pad

13, 13 tops of backup pad install roof 14 through electric putter 15, the both ends of roof 14 all with 11 lateral wall swing joint of support, sampling bottle 16 is installed through the mount pad at 14 tops of roof, adjust roof 14 and the height of sampling bottle 16 on it through setting up electric putter 15, thereby can improve sampling efficiency, be applicable to the sampling bottle 16 to multiple height and carry out the sampling work.

The front surface of the sampler body 1 is provided with a reducing ring 18 through a bracket 17, the reducing ring 18 is formed by splicing a plurality of hollow cone frustum structure bodies with different diameters, the diameters of the cone frustum structure bodies are gradually reduced from top to bottom, the reducing sampling needles 2 with various diameters can be fixedly installed by arranging the reducing ring 18, so that the sampling work of the sampling needles is facilitated, the reducing sampling needles with different sizes can be selected according to different heights and opening sizes of sampling bottles 16 when in use, so that a better sampling effect is achieved, the reducing sampling needles 2 are inserted in the reducing ring 18, sampling flowmeters 21 are arranged in the reducing sampling needles 2, the sampling flowmeters 21 can timely monitor the flow passing through the inside of the sampling needles 2, accurate and quantitative sampling is achieved, conical heads 23 are installed on the reducing sampling needles 2 through a connecting seat 22 at the bottom, and the conical heads 23 are spirally connected with the connecting seat 22, conical head 23 bottom is provided with touch-proof inductive head 24, and conical head 23 is inside to be provided with pressure sensor 25, can feel pressure touch-proof inductive head 24 through pressure sensor 25 through the setting, and the contact production is crooked or damages at the bottom of the bottle in the 2 syringe needles of reducing sampling needle too deeply sampling bottle 16 when can preventing to sample to can prevent 2 bottoms wearing and tearing of reducing sampling needle, reach the effect of safe sampling.

2 tops of reducing sampling needle are connected with storage cylinder 27 through sampling pipe 26, be provided with nitrogen gas valve 28 on the sample thief body 1, the bottom of nitrogen gas valve 28 is connected with clean pipe 29, clean pipe 29's bottom is inserted in reducing circle 18, support 11 side is provided with controller 3, can spout clean gas into inside reducing circle 18 through setting up clean pipe 29, clear away 2 surfaces of reducing sampling needle and 18 inner walls of reducing circle in the adnexed survivor of sampling process under the continuous action of air current, thereby the cleanliness of 2 surfaces of reducing sampling needle and 18 inner walls of reducing circle has been guaranteed, be convenient for carry out next sampling work, the accuracy of sampling work has been guaranteed simultaneously.

The working principle is as follows:

this kind of reducing sampling needle of airtight sample thief, in the use, drive roof 14 and the 16 upward movements of sampling bottle through

electric putter

15, 2 bottom anti-touch induction heads 24 of reducing sampling needle are when contacting the 16 inner walls of sampling bottle, the automatic shutdown needle work, and adjust the height of sampling bottle 16 through controller 3 control electric putter 15, make 2 syringe needles of reducing sampling needle and 16 inner wall diameters of sampling bottle have certain buffer distance, possess the function of touching end protection, prevent the bottom damage, play the effect of safe sample, in sucking the storage cylinder 27 with liquid sample from reducing sampling needle 2 under the effect of sample thief body 1, accomplish sampling work, open nitrogen gas valve 28 after the sampling is accomplished, nitrogen gas is spouted into inside reducing ring 18 through cleaning tube 29, thereby get rid of the survivor, the cleanliness of device has been guaranteed.

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 reducing sampling needle of airtight sample thief, includes sample thief body (1), its characterized in that: the sampler comprises a sampler body (1), a support (11) is arranged at the bottom of the sampler body (1), a support plate (13) is arranged on the side of the support (11), a top plate (14) is installed at the top of the support plate (13) through an electric push rod (15), a sampling bottle (16) is installed at the top of the top plate (14) through a mounting seat, a reducing ring (18) is installed on the sampler body (1) through a bracket (17), a reducing sampling needle (2) is inserted in the reducing ring (18), a sampling flowmeter (21) is arranged in the reducing sampling needle (2), a conical head (23) is installed on the reducing sampling needle (2) through a connecting seat (22) at the bottom, a bottom touch-proof induction head (24) is arranged at the bottom of the conical head (23), a pressure sensor (25) is arranged in the conical head (23), and the top of the reducing sampling needle (2) is connected with a storage cylinder (27) through a sampling pipe (26), the sampler is characterized in that a nitrogen valve (28) is arranged on the sampler body (1), the bottom of the nitrogen valve (28) is connected with a cleaning pipe (29), and the bottom end of the cleaning pipe (29) is inserted into the reducing ring (18).

2. The variable diameter sampling needle of the closed sampler according to claim 1, wherein: and a fixing block (12) is arranged at the bottom of the bracket (11).

3. The variable diameter sampling needle of the closed sampler according to claim 1, wherein: both ends of the top plate (14) are movably connected with the side wall of the bracket (11).

4. The variable diameter sampling needle of the closed sampler according to claim 1, wherein: the reducing ring (18) is formed by splicing a plurality of hollow truncated cone structures with different diameters, and the diameters of the truncated cone structures are gradually reduced from top to bottom.

5. The variable diameter sampling needle of the closed sampler according to claim 1, wherein: the conical head (23) is spirally connected with the connecting seat (22).

6. The variable diameter sampling needle of the closed sampler according to claim 1, wherein: the side surface of the bracket (11) is provided with a controller (3).