CN212513791U

CN212513791U - Extraction element of chemical analysis sample

Info

Publication number: CN212513791U
Application number: CN202021112690.7U
Authority: CN
Inventors: 戴兴德; 薛林科; 张爱菊; 董娜; 张小林; 白莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-09
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a chemical analysis sample extraction device, which comprises a support component, a guide cylinder, a sampling component, a spring and a cleaning cylinder, wherein the support component is symmetrically inserted into two side walls of the guide cylinder, the sampling component is inserted into the guide cylinder and is fixedly connected with the bottom end inside the guide cylinder through the spring, the sampling component respectively comprises a sampling tube, a needle head, a piston plate, a guide ring and a pull rod, the bottom end of the sampling tube is connected with the needle head in a conduction way, the inside of the sampling tube is slidably connected with the piston plate, the upper surface of the piston plate is inserted with the pull rod, the outer part of the pull rod is sleeved with the guide ring, the guide ring is fixedly connected with the inner wall of the sampling tube, the bottom end of the guide cylinder is detachably connected with the cleaning cylinder, the sampling tube of the utility model is connected into the guide cylinder through the spring, after a single sampling is, convenient recycling, fixes the guide cylinder on the surface of different reagent bottles through the supporting component, and the suitability is more extensive.

Description

Extraction element of chemical analysis sample

Technical Field

The utility model relates to a chemical reagent detects auxiliary device technical field, specifically is a chemical analysis sample's extraction element.

Background

Chemical reagents are relatively standard substances for chemical research and component analysis, are important conditions for technological progress, are widely used for synthesis, separation, qualitative and quantitative analysis of substances, can be said to be eyes of chemists, and are not separated from chemical reagents in daily work of factories, schools, hospitals and research institutes.

Chemical agents have been widely used in various industries of industry, agriculture, medical health, life science, inspection and quarantine, environmental protection, energy development, national defense and military industry, scientific research and national economy, but what is a "chemical agent" includes what contents and it is a difficult matter to give it an accurate definition. Early chemical reagents were simply referred to as "pure chemicals used in chemical analysis and chemical testing to determine the composition or composition of a substance". And later expanded to "chemicals used to effect chemical reactions," the "chemicals" referred to have been out of this category. It is believed that "chemicals used in scientific experiments" may all be referred to as "chemical agents". A more comprehensive definition of a chemical agent may be: various purity levels of compounds or elements are used in chemical assays, chemical analyses, chemical research and other tests.

However, the existing extraction devices for chemical analysis of samples have the following disadvantages:

1. when using same extraction element to take a sample different kinds of reagent, in order not to cause the pollution to next sample reagent, can wipe the syringe needle of sample after the sample, increased the amount of labour, troublesome poeration undoubtedly like this.

2. In the sample, can carry out the sample operation to the sample bottle of difference, the sampling bottle surface at different specifications is fixed to the extraction element is inconvenient, has very big limitation in the time of the use, reduces the effect of using.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extraction device of chemical analysis sample to solve the existing extraction device for chemical analysis sample in the above-mentioned background art, when using the same extraction device to sample different kinds of reagents, in order not to cause pollution to the next sample reagent, can wipe the syringe needle of sample after sampling, so the amount of labour has been increased undoubtedly, the operation is troublesome; in the sample, can carry out the sample operation to the sample bottle of difference, the sampling bottle surface at different specifications is fixed to the extraction element is inconvenient, has very big limitation in the time of the use, reduces the problem of the effect of using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an extraction element of chemical analysis sample, includes supporting component, guide cylinder, sampling subassembly, spring and a clean section of thick bamboo, the grafting of guide cylinder both sides wall symmetry has supporting component, the inside grafting of guide cylinder has the sampling subassembly, and the sampling subassembly passes through the spring and the inside bottom fixed connection of guide cylinder, the sampling subassembly includes sampling pipe, syringe needle, piston plate, guide ring and pull rod respectively, sampling pipe bottom turn-on connection syringe needle, the inside sliding connection piston plate of sampling pipe, the piston plate upper surface is pegged graft and is had the pull rod, the outside cover of pull rod is equipped with the guide ring, and guide ring and sampling pipe inner wall fixed connection, the clean section of thick bamboo of connection can be dismantled to the guide cylinder bottom.

Preferably, the supporting component comprises a connecting rod, a telescopic rod, a clamping plate, a sliding block and a locking wheel respectively, the length and the appearance of the supporting component are adjusted according to the specification of the reagent bottle, the telescopic rod is lengthened, the clamping plate is clamped on the outer wall of the reagent bottle, the sliding block longitudinally slides relative to the limiting sliding groove of the guide cylinder, the height suitable for sampling is adjusted, the supporting component is locked and fixed through the locking wheel, supporting force is provided, and stability is improved.

Preferably, connecting rod bottom spiral grafting locking wheel, the connecting rod lateral wall is close to bottom position fixed connection slider, the connecting rod surface is close to top position hinged joint telescopic link, the extension end fixed connection cardboard of telescopic link, according to the specification of reagent bottle, adjust supporting component's length and appearance, the telescopic link is elongated, to the cardboard joint at the outer wall of reagent bottle, through the spacing spout longitudinal sliding of the relative guide cylinder of slider, adjust to the height that is fit for the sample to it is fixed through locking wheel locking, provide the holding power, improve stability.

Preferably, a limiting sliding groove is formed in the outer wall of the guide cylinder, the supporting assembly is guided by the limiting sliding groove through the connector, the guide cylinder is conveniently and fixedly connected with the guide cylinder through the connector, and operation is convenient.

Preferably, the internal thread has been seted up near the top position to clean section of thick bamboo inner wall, clean section of thick bamboo inner wall bonds and has clean cotton, when sampling detection goes on, press the pull rod, the inside spring of guide cylinder is compressed and takes place deformation, the syringe needle is pegged graft inside reagent, press the sampling pipe on the other hand, the pull rod is carried on the other hand, negative pressure effect through the piston board, the sampling pipe of impressing is taken out to reagent, after the sampling is accomplished, remove the pressure to the sampling pipe, the sampling pipe resets under the elastic action of spring, the syringe needle passes from clean cotton is inside, cleaned cleanly, automatic cleaning has been realized, convenient recycling.

Preferably, the diameter of the needle head is smaller than that of the cleaning barrel, and the length of the needle head is larger than that of the cleaning barrel, so that the needle head and the cleaning barrel can be conveniently inserted.

The utility model provides a chemical analysis sample's extraction element possesses following beneficial effect:

(1) the utility model discloses sample tube passes through spring coupling inside the guide cylinder, and after the single sampling was accomplished, the syringe needle was cleaned the cleanness by clean cotton is automatic, convenient recycle.

(2) The utility model discloses according to the specification of reagent bottle, adjust supporting component's length and appearance, elongate the telescopic link, the cardboard joint is at the outer wall of reagent bottle, through the spacing spout longitudinal sliding of the relative guide cylinder of slider, adjusts to the height that is fit for the sample to it is fixed through locking wheel locking, provide the holding power, improve stability, fix the guide cylinder on different reagent bottle surfaces through supporting component, the suitability is more extensive.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for extracting a chemical analysis sample according to the present invention;

FIG. 2 is a schematic view of a guide cylinder of a device for extracting a chemical analysis sample according to the present invention;

fig. 3 is a schematic structural view of a sampling assembly of a chemical analysis sample extraction device of the present invention;

FIG. 4 is a schematic view of a cleaning cylinder of a device for extracting a chemical analysis sample according to the present invention;

fig. 5 is a schematic structural view of a supporting component of a device for extracting a chemical analysis sample according to the present invention.

In the figure: 1. a support assembly; 101. a connecting rod; 102. a telescopic rod; 103. clamping a plate; 104. a slider; 105. a locking wheel; 2. a guide cylinder; 201. a limiting chute; 202. a connector; 3. a sampling component; 301. a sampling tube; 302. a needle head; 303. a piston plate; 304. a guide ring; 305. a pull rod; 4. a spring; 5. a cleaning cartridge; 501. cleaning cotton; 502. an internal thread.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides an extraction element of chemical analysis sample, includes supporting component 1, guide cylinder 2, sampling subassembly 3, spring 4 and clean section of

thick bamboo

5, 2 both sides wall symmetries of guide cylinder are pegged graft and are had supporting

component

1, 2 inside pegs graft of guide cylinder have sampling subassembly 3, and sampling subassembly 3 passes through spring 4 and the inside bottom fixed connection of guide cylinder 2, sampling subassembly 3 includes sample pipe 301, syringe needle 302, piston plate 303, guide ring 304 and pull rod 305 respectively, sample pipe 301 bottom turn-on connection syringe needle 302, the inside sliding connection piston plate 303 of sample pipe 301, piston plate 303 upper surface is pegged graft and is had pull rod 305, the outside cover of pull rod 305 is equipped with guide ring 304, and guide ring 304 and the fixed connection of sampling pipe 301 inner wall, the clean section of thick bamboo 5 of connection can be dismantled to guide cylinder 2 bottom.

The supporting component 1 comprises a connecting rod 101, a telescopic rod 102, a clamping plate 103, a sliding block 104 and a locking wheel 105 respectively, the length and the appearance of the supporting component 1 are adjusted according to the specification of the reagent bottle, the telescopic rod 102 is lengthened, the clamping plate 103 is clamped on the outer wall of the reagent bottle, the sliding block 104 longitudinally slides relative to a limiting sliding groove 201 of the guide cylinder 2, the height suitable for sampling is adjusted, the supporting component is locked and fixed through the locking wheel 105, supporting force is provided, and stability is improved.

The utility model discloses a reagent bottle, including connecting rod 101, extension end, clamping plate 103, the length and the appearance of adjusting supporting component 1, the connecting rod 101 bottom is spiral grafting locking wheel 105, the connecting rod 101 lateral wall is close to bottom position fixed connection slider 104, the connecting rod 101 surface is close to top position hinged joint telescopic link 102, the extension end fixed connection clamping plate 103 of telescopic link 102, according to the specification of reagent bottle, elongates telescopic link 102, connects clamping plate 103 at the outer wall of reagent bottle, through the relative spacing spout 201 longitudinal sliding of guide cylinder 2 of slider 104, adjusts to the height that is fit for the sample to it is fixed to lock through locking wheel 105, provides the.

Spacing spout 201 has been seted up to 2 outer walls of guide cylinder, 2 surface mounting connectors 202 under the guide cylinder lead to supporting component 1 through spacing spout 201, make things convenient for clean section of

thick bamboo

5 and 2 fixed connection of guide cylinder, convenient operation through connector 202.

Internal thread 502 has been seted up near the top position to the 5 inner walls of a clean section of thick bamboo, 5 inner walls of a clean section of thick bamboo bond and have clean cotton 501, when sampling detection goes on, press pull rod 305, the inside spring 4 of guide cylinder 2 is compressed and takes place deformation, syringe needle 302 is pegged graft inside reagent, press sampling pipe 301 on one hand, another hand pulls pull rod 305, negative pressure effect through piston plate 303, reagent is impressed sampling pipe 301, after the sampling is accomplished, remove the pressure to sampling pipe 301, sampling pipe 301 resets under spring 4's elastic action, syringe needle 302 passes from clean cotton 501 inside, it is clean to be wiped, automatic cleaning has been realized, convenient recycling.

The diameter of the needle head 302 is smaller than that of the cleaning barrel 5, and the length of the needle head 302 is larger than that of the cleaning barrel 5, so that the needle head 302 and the cleaning barrel 5 can be conveniently inserted.

When the extraction device for the chemical analysis sample works, the length and the shape of the support component 1 are adjusted according to the specification of a reagent bottle, the telescopic rod 102 is lengthened, the clamping plate 103 is clamped on the outer wall of the reagent bottle, the clamping plate longitudinally slides relative to the limiting sliding groove 201 of the guide cylinder 2 through the sliding block 104, the height suitable for sampling is adjusted, and the clamping plate is locked and fixed through the locking wheel 105, so that the supporting force is provided, and the stability is improved; when sampling detection goes on, press pull rod 305, the inside spring 4 of guide cylinder 2 is compressed and takes place the deformation, syringe needle 302 is pegged graft inside reagent, press sample tube 301 on the other hand, another portable pull rod 305, negative pressure effect through piston plate 303, the sample tube 301 is impressed to the reagent, after the sampling is accomplished, remove the pressure to sample tube 301, sample tube 301 resets under spring 4's elastic action, syringe needle 302 passes from the inside of cotton wool 501, it is clean to be wiped, automatic cleaning has been realized, convenient cycle uses.

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. An apparatus for extracting a chemical analysis sample, comprising: comprises a supporting component (1), a guide cylinder (2), a sampling component (3), a spring (4) and a cleaning cylinder (5), wherein the supporting component (1) is symmetrically inserted into two side walls of the guide cylinder (2), the sampling component (3) is inserted into the guide cylinder (2), the sampling component (3) is fixedly connected with the inner bottom end of the guide cylinder (2) through the spring (4), the sampling component (3) respectively comprises a sampling tube (301), a needle (302), a piston plate (303), a guide ring (304) and a pull rod (305), the bottom end of the sampling tube (301) is connected with the needle (302), the sampling tube (301) is internally connected with the piston plate (303) in a sliding manner, the upper surface of the piston plate (303) is inserted with the pull rod (305), the guide ring (304) is sleeved outside the pull rod (303), and the guide ring (304) is fixedly connected with the inner wall of the sampling tube (301), the bottom end of the guide cylinder (2) is detachably connected with a cleaning cylinder (5).

2. The apparatus for extracting a chemical analysis sample according to claim 1, wherein: the supporting component (1) comprises a connecting rod (101), an expansion rod (102), a clamping plate (103), a sliding block (104) and a locking wheel (105) respectively.

3. The apparatus for extracting a chemical analysis sample according to claim 2, wherein: the locking wheel (105) is inserted at the bottom end of the connecting rod (101) in a threaded manner, the sliding block (104) is fixedly connected to the side wall of the connecting rod (101) at a position close to the bottom end, the telescopic rod (102) is hinged to the outer surface of the connecting rod (101) at a position close to the top end, and the clamping plate (103) is fixedly connected to the extending end of the telescopic rod (102).

4. The apparatus for extracting a chemical analysis sample according to claim 1, wherein: spacing spout (201) have been seted up to guide cylinder (2) outer wall, guide cylinder (2) lower surface mounting connector (202).

5. The apparatus for extracting a chemical analysis sample according to claim 1, wherein: an internal thread (502) is formed in the position, close to the top end, of the inner wall of the cleaning cylinder (5), and cleaning cotton (501) is bonded to the inner wall of the cleaning cylinder (5).

6. The apparatus for extracting a chemical analysis sample according to claim 1, wherein: the diameter of the needle head (302) is smaller than that of the cleaning barrel (5), and the length of the needle head (302) is larger than that of the cleaning barrel (5).