CN212622430U - Liquid extraction and detection tool for fire scene - Google Patents
Liquid extraction and detection tool for fire scene Download PDFInfo
- Publication number
- CN212622430U CN212622430U CN202020678107.2U CN202020678107U CN212622430U CN 212622430 U CN212622430 U CN 212622430U CN 202020678107 U CN202020678107 U CN 202020678107U CN 212622430 U CN212622430 U CN 212622430U
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- filter
- bottle
- liquid
- extraction
- connector
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Abstract
The utility model discloses a liquid extraction and detection tool in fire scene, which comprises a filter, an extraction needle head, an injector and a storage bottle, wherein the filter comprises a filter body and a sealing body, and the filter body is connected with the sealing body; the middle part of the extraction needle head is provided with a first liquid storage cavity, and the top of the extraction needle head is provided with a connector; the syringe comprises an empty barrel and a piston rod, wherein a limit hook is arranged at the right end of the empty barrel, a limit bayonet is arranged at the right part of the piston rod, and the empty barrel is matched with the piston rod; the storage bottle comprises a bottle body and a bottle cap, and the bottle body is matched with the bottle cap; the filter is matched with the extraction needle head; the extraction needle head is matched with the injector. The utility model has the advantages of simple structure, solution is convenient for shift and store, can improve the degree of accuracy that detects, and detection efficiency is high.
Description
Technical Field
The utility model relates to a detection area especially relates to a scene of fire liquid draws detection instrument.
Background
At present, when a fire scene is investigated, residual liquid on the scene needs to be extracted and returned to a laboratory for detecting components in the liquid through a gas chromatograph, so that the cause of the fire is analyzed. The extraction detection tool who uses at present draws influence detection effect such as ash, sand to irrelevant impurity in extracting solution in-process easily, the volume of drawing hardly causes to draw too much or too little not to conform to the testing procedure when using the syringe to draw liquid easily, there is certain influence to the testing result, the syringe needle that uses at present simultaneously need be equipped with the syringe for the liquid that the ordinary syringe needle can not solitary storage is waited to detect, when carrying out the detection and analysis, be not convenient for short-term test and transfer, still need use the syringe to inhale during the detection and wait to detect liquid.
The above background disclosure is only provided to aid understanding of the inventive concepts and solutions of the present invention, and it does not necessarily pertain to the prior art of this patent application, and it should not be used to assess the novelty and inventive aspects of this application without explicit evidence that such contents are disclosed at the filing date of this patent application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a scene of fire liquid draws detection instrument.
In order to realize the above purpose, the utility model discloses a technical scheme as follows:
a scene of fire liquid draws detection instrument which characterized in that: the device comprises a filter, an extraction needle, an injector and a storage bottle, wherein the filter comprises a filter body and a sealing body, a filter element is arranged in the filter body, a filter body connecting position is arranged at the bottom of the sealing body, a sealing rubber sheet is arranged on the filter body connecting position, a needle connecting column is arranged at the top of the sealing body, and the filter body is connected with the sealing body; the middle part of the extraction needle head is provided with a first liquid storage cavity, the top of the extraction needle head is provided with a connector, the middle part of the connector is provided with a second liquid storage cavity, the bottom of the connector is provided with internal threads, the top of the connector is provided with external threads, the center of the upper part of the connector is provided with an injector mounting hole, and the injector mounting hole is communicated with the second liquid storage cavity and the first liquid storage cavity; the syringe comprises an empty barrel and a piston rod, wherein a limit hook is arranged at the right end of the empty barrel, a limit bayonet is arranged at the right part of the piston rod, and the empty barrel is matched with the piston rod; the storage bottle comprises a bottle body and a bottle cap, and the bottle body is matched with the bottle cap; the filter is matched with the extraction needle head; the extraction needle head is matched with the injector.
Furthermore, the upper part of the filter element in the filter body is provided with a limiting piece, the middle part of the limiting piece is provided with a through hole, and the limiting piece is distributed between the filter element and the sealing rubber piece.
Furthermore, the bottom of the filter body is provided with an absorption pipe.
Furthermore, a liquid guide hole is formed in the middle of the needle head connecting column, an inner chamfer is formed in the upper portion of the liquid guide hole, a needle head mounting position is arranged on the upper portion of the inner chamfer, and the needle head mounting position is matched with the first liquid storage cavity.
Furthermore, asbestos is arranged in the first liquid storage cavity and the second liquid storage cavity.
Further, a bottle cap of the storage bottle is matched with the external thread on the top of the connector; the internal thread of connector bottom with the bottle phase-match of storage bottle.
Compared with the prior art, the utility model discloses an advantage and beneficial effect do:
the utility model consists of a filter, an extraction needle, an injector and a storage bottle, wherein the filter element is arranged inside the filter to filter out impurities in the liquid, thereby avoiding the impurities from being mixed into the solution to influence the detection result, the middle part of the filter is also provided with a sealing rubber sheet to play a sealing role, the top of the extraction syringe needle is provided with an extraction syringe needle mounting position, the extraction syringe needle can be directly inserted into a sealing rubber sheet for fixing and carrying out solution extraction, the top of the extraction syringe needle is provided with a connector, can be connected with a storage bottle to store the solution in the storage bottle, only needs to directly take out the extraction needle head and directly put into a gas chromatograph for detection during detection, can improve the detection efficiency, meanwhile, the right end of the empty cylinder of the syringe is provided with a limiting hook, the right part of the piston rod is provided with a limiting bayonet, the liquid suction amount of the syringe can be limited by matching the limiting hook with the limiting bayonet, and the detection result is prevented from being influenced by too much or too little solution sucked in the extraction needle. The tool has the advantages of simple structure, convenience in transferring and storing the solution, capability of improving the accuracy of detection and high detection efficiency.
Drawings
FIG. 1 is a schematic view of the connection structure of the filter, the extraction needle and the syringe according to the present invention;
FIG. 2 is a schematic structural view of the filter of the present invention;
fig. 3 is a top view of the filter of the present invention;
FIG. 4 is a schematic view of the structure of the needle head of the present invention;
FIG. 5 is a schematic view of the structure of the syringe of the present invention;
FIG. 6 is a front view of the empty cartridge of the present invention;
FIG. 7 is a right side view of the empty cartridge of the present invention;
fig. 8 is a top view of the piston rod of the present invention;
fig. 9 is a front view of the piston rod of the present invention;
FIG. 10 is a schematic view of the storage bottle of the present invention;
FIG. 11 is a schematic view of the connection structure of the extraction needle and the storage bottle of the present invention;
FIG. 12 is a schematic structural view of the syringe of the present invention with the limit hook engaged with the limit bayonet;
fig. 13 is a schematic view of the connection structure between the empty syringe needle and the syringe according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
As shown in fig. 1 to 13, the liquid extraction and detection tool for fire scene is characterized in that: comprises a filter 1, an extraction needle 2, a syringe 3 and a storage bottle 4, wherein the filter comprises a filter body 5 and a sealing body 6, a filter element 7 is arranged in the filter body 5 and used for filtering impurities in liquid and preventing the impurities from being mixed into the solution to influence the detection result, a suction pipe 8 is arranged at the bottom of the filter body 5 and used for sucking the liquid, a filter body connecting position 9 is arranged at the bottom of the sealing body 6 and used for being connected with the filter body 5, a sealing rubber sheet 10 is arranged on the filter body connecting position 9 and used for sealing the sealing body 6, a needle connecting column 11 is arranged at the top of the sealing body 6 and used for connecting the extraction needle 2, a liquid guide hole 12 is arranged at the middle part of the needle connecting column 11 and used for abdicating the needle, an inner chamfer 13 is arranged at the upper part of the liquid guide hole 12 and used for rapidly inserting the needle, a, the needle head mounting position 14 is matched with the first liquid storage cavity 17 to fix the filter 1 on the extraction needle head 2, the upper part of the filter element 7 in the filter body 5 is provided with a limiting piece 15 for limiting the filter element 7 to prevent the filter element 7 from moving to influence the filtering effect, the middle part of the limiting piece 15 is provided with a through hole 16 for leading in liquid, the limiting piece 15 is distributed between the filter element 7 and the sealing rubber piece 10, and the filter body 5 is connected with the sealing body 6; the middle part of the extraction needle head 2 is provided with a first liquid storage cavity 17 for storing liquid, the top part of the extraction needle head is provided with a connector 18, the middle part of the connector 18 is provided with a second liquid storage cavity 19 for storing liquid, the bottom part of the connector 18 is provided with an internal thread 20 for matching with a bottle body 28 of a storage bottle 4, the top part of the connector 18 is provided with an external thread 21 for matching with a bottle cap 29 of the storage bottle 4, the center of the upper part of the connector 18 is provided with an injector mounting hole 22 for connecting an injector 3, the injector mounting hole 22 is communicated with the second liquid storage cavity 19 and the first liquid storage cavity 17, asbestos 23 is arranged in the first liquid storage cavity 17 and the second liquid storage cavity 19, and the stored liquid in the extraction needle head 2 can be prevented from flowing out quickly; the syringe 3 comprises an empty cylinder 24 and a piston rod 25, the right end of the empty cylinder 24 is provided with a limit hook 26, the right part of the piston rod 25 is provided with a limit bayonet 27, the empty cylinder 24 is matched with the piston rod 25, and the limit hook 26 is matched with the limit bayonet 27 to limit the inner stroke of the piston rod 25 in the empty cylinder 24 so as to control the extraction amount of liquid; the storage bottle 4 comprises a bottle body 28 and a bottle cap 29, the bottle body 28 is matched with the bottle cap 29, and the bottle cap 29 of the storage bottle 4 is matched with the external thread 21 at the top of the connector 18; the internal thread 20 at the bottom of the connector 18 is matched with the bottle body 28 of the storage bottle 4; the filter 1 is matched with the extraction needle 2; the extraction needle 2 is fitted with a syringe 3.
The utility model discloses a use method does: will draw syringe needle 2 and be connected with syringe 3, insert filter 1 with drawing syringe needle 2, filter 1 aims at the liquid that waits to draw, then takes out the piston rod 25 of syringe 3 until spacing hook 26 cooperatees with spacing bayonet 27, accomplishes the extraction of liquid, extracts filter 1 again, and bottle 28 is connected with drawing syringe needle 2, pulls out syringe 3 at last and covers bottle lid 29, can send into the laboratory with liquid, takes off and draws syringe needle 2 and directly put into gas chromatograph and can detect.
The foregoing is a more detailed description of the invention, taken in conjunction with specific/preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art, without departing from the spirit of the present invention, several alternatives or modifications can be made to the described embodiments, and all such alternatives or modifications should be considered as falling within the scope of the present invention.
Claims (6)
1. A scene of fire liquid draws detection instrument which characterized in that: the device comprises a filter, an extraction needle, an injector and a storage bottle, wherein the filter comprises a filter body and a sealing body, a filter element is arranged in the filter body, a filter body connecting position is arranged at the bottom of the sealing body, a sealing rubber sheet is arranged on the filter body connecting position, a needle connecting column is arranged at the top of the sealing body, and the filter body is connected with the sealing body; the middle part of the extraction needle head is provided with a first liquid storage cavity, the top of the extraction needle head is provided with a connector, the middle part of the connector is provided with a second liquid storage cavity, the bottom of the connector is provided with internal threads, the top of the connector is provided with external threads, the center of the upper part of the connector is provided with an injector mounting hole, and the injector mounting hole is communicated with the second liquid storage cavity and the first liquid storage cavity; the syringe comprises an empty barrel and a piston rod, wherein a limit hook is arranged at the right end of the empty barrel, a limit bayonet is arranged at the right part of the piston rod, and the empty barrel is matched with the piston rod; the storage bottle comprises a bottle body and a bottle cap, and the bottle body is matched with the bottle cap; the filter is matched with the extraction needle head; the extraction needle head is matched with the injector.
2. A fire scene liquid extraction detection tool as claimed in claim 1, wherein: the filter comprises a filter body and is characterized in that a limiting piece is arranged on the upper portion of the filter element inside the filter body, a through hole is formed in the middle of the limiting piece, and the limiting piece is distributed between the filter element and the sealing rubber piece.
3. A fire scene liquid extraction detection tool as claimed in claim 1, wherein: the bottom of the filter body is provided with an absorption pipe.
4. A fire scene liquid extraction detection tool as claimed in claim 1, wherein: the syringe needle spliced pole middle part is equipped with a drain hole, drain hole upper portion is equipped with an interior chamfer, interior chamfer upper portion is equipped with a syringe needle installation position, syringe needle installation position with first liquid storage chamber cooperatees.
5. A fire scene liquid extraction detection tool as claimed in claim 1, wherein: asbestos is arranged in the first liquid storage cavity and the second liquid storage cavity.
6. A fire scene liquid extraction detection tool as claimed in claim 1, wherein: the bottle cap of the storage bottle is matched with the external thread on the top of the connector; the internal thread of connector bottom with the bottle phase-match of storage bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678107.2U CN212622430U (en) | 2020-04-28 | 2020-04-28 | Liquid extraction and detection tool for fire scene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678107.2U CN212622430U (en) | 2020-04-28 | 2020-04-28 | Liquid extraction and detection tool for fire scene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212622430U true CN212622430U (en) | 2021-02-26 |
Family
ID=74711488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020678107.2U Expired - Fee Related CN212622430U (en) | 2020-04-28 | 2020-04-28 | Liquid extraction and detection tool for fire scene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212622430U (en) |
-
2020
- 2020-04-28 CN CN202020678107.2U patent/CN212622430U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |