CN214309756U - Atmospheric sampling instrument for preventing test solution from being sucked backwards - Google Patents
Atmospheric sampling instrument for preventing test solution from being sucked backwards Download PDFInfo
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- CN214309756U CN214309756U CN202120338916.3U CN202120338916U CN214309756U CN 214309756 U CN214309756 U CN 214309756U CN 202120338916 U CN202120338916 U CN 202120338916U CN 214309756 U CN214309756 U CN 214309756U
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Abstract
The utility model relates to a prevent atmospheric sampling appearance of chemical examination liquid suck-back, relate to the field of gaseous detection, it includes the instrument body, establish intake pipe and outlet duct on the instrument body, establish the sampling pipe on the instrument body, establish the bottle and establish the fixed subassembly on the instrument body of preventing suck-back on the instrument body, fixed subassembly is including establishing the first limiting plate on the instrument body, establish the second limiting plate on the instrument body and establish the board of accepting on the instrument body, accept and set up flutedly on the board, prevent that suck-back bottle passes and is located the recess behind first limiting plate and the second limiting plate, the gas outlet of sampling pipe and prevent the air inlet intercommunication on the bottle of suck-back, prevent the gas outlet of suck-back bottle and the intake pipe intercommunication of instrument body. The first limiting plate is provided with a protruding part, the protruding part is connected with a clamping sheet in a sliding mode, the clamping sheet penetrates through the instrument body, an opening is formed in the clamping sheet, and the suck-back prevention bottle is located in the opening. The application has the effect that the phenomenon of suck-back is difficult to take place for the atmosphere sampling instrument.
Description
Technical Field
The application relates to the field of gas detection, in particular to an atmosphere sampling instrument for preventing chemical examination liquid from being sucked backwards.
Background
An atmospheric sampling instrument is an instrument or device that collects atmospheric contaminants or contaminated atmosphere. When the atmosphere sampling instrument collects atmosphere, the atmosphere needs to pass through the assay liquid and then enter the instrument for sampling.
The phenomenon that the chemical examination liquid is sucked back may appear when the current atmospheric sampling instrument works, thereby having adverse effect on atmospheric sampling.
SUMMERY OF THE UTILITY MODEL
In order to make the phenomenon that the atmosphere sampling appearance is difficult to take place to suck backwards, this application provides an atmosphere sampling appearance that prevents chemical examination liquid suck-back.
The application provides a prevent atmosphere sampling appearance of chemical examination liquid suck-back adopts following technical scheme:
an atmosphere sampling instrument for preventing the suck-back of a test solution comprises an instrument body, an air inlet pipe and an air outlet pipe which are arranged on the instrument body, a sampling pipe arranged on the instrument body, a suck-back prevention bottle arranged on the instrument body and a fixing component arranged on the instrument body;
the fixing assembly comprises a first limiting plate arranged on the instrument body, a second limiting plate arranged on the instrument body and a bearing plate arranged on the instrument body;
the bearing plate is provided with a groove, and the suck-back prevention bottle passes through the first limiting plate and the second limiting plate and then is positioned in the groove;
the gas outlet of sampling pipe with prevent the air inlet intercommunication on the anti-suck-back bottle, the gas outlet of preventing the anti-suck-back bottle and the intake pipe intercommunication of instrument body.
Through adopting above-mentioned technical scheme, the staff will prevent that the suck-back bottle will be placed fixed subassembly with preventing after being connected well with the sampling pipe after, prevent that the suck-back bottle passes first limiting plate and second limiting plate after, prevent that the bottle bottom of suck-back bottle is located the recess of accepting the board, first limiting plate and second limiting plate play limiting displacement to preventing the suck-back bottle, make prevent that the suck-back bottle is difficult to rock to prevent that the suck-back bottle is more stable in the recess.
Optionally, a protruding portion is arranged on the first limiting plate, and a clamping piece is connected to the protruding portion in a sliding manner;
the clamping piece penetrates through the instrument body, a notch is formed in the clamping piece, and the suck-back prevention bottle is located in the notch.
Through adopting above-mentioned technical scheme, back in the fixed subassembly was placed to the anti-suck-back bottle, the staff slip joint piece makes the opening of joint piece block the anti-suck-back bottle, makes the anti-suck-back bottle be difficult to move along the axis direction of anti-suck-back bottle.
Optionally, the first limiting plate is provided with a clamping hook on the clamping sheet, and the instrument body is provided with a clamping groove;
after the clamping sheet penetrates through the instrument body, the clamping hook is positioned in the clamping groove.
Through adopting above-mentioned technical scheme, after the staff promoted the snap-on piece and made the opening block and prevent suck-back bottle, the snap-on hook passed this by the draw-in groove of instrument and blocked, and the snap-on piece is difficult to remove to it is more stable on first limiting plate.
Optionally, a fixing frame is arranged on the instrument body;
the sampling pipe penetrates through the fixing frame.
Through adopting above-mentioned technical scheme, the sampling pipe is more stable after placing the mount in.
Optionally, a stop block is arranged on the clamping sheet;
the stop block is positioned between the first limiting plate and the instrument body.
Through adopting above-mentioned technical scheme, the dog plays limiting displacement to the snap-on piece, and when the snap-on piece slided on first limiting plate, the snap-on piece was difficult to follow and is slided on first limiting plate.
Optionally, the first limiting plate and the second limiting plate are provided with cushions;
the suck-back prevention bottle is abutted to the cushion pad.
Through adopting above-mentioned technical scheme, the blotter plays the guard action to preventing the bottle of resorption, makes to prevent that the bottle of resorption is difficult to take place to damage after colliding with first limiting plate.
Optionally, rubber pipes are communicated between the air inlet pipe of the instrument body and the air outlet of the anti-suck-back bottle, and between the air outlet of the sampling pipe and the air inlet of the anti-suck-back bottle, and a plurality of pipe clamps are arranged on the instrument body;
the rubber tube is positioned in the plurality of tube clamps.
Through adopting above-mentioned technical scheme, the rubber tube makes things convenient for the staff to be connected the intake pipe of preventing suck-back bottle and sampling pipe, sampling pipe and instrument body, and the pipe strap blocks the rubber tube and plays limiting displacement, makes the rubber tube be difficult to rock.
Optionally, a reinforcing rod is arranged on the sampling pipe.
By adopting the technical scheme, the sampling pipe is U-shaped, and the two parts of the sampling pipe are connected by the reinforcing rod, so that the sampling pipe is not easy to damage.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the anti-suck-back bottle is connected with the sampling pipe, a worker places the anti-suck-back bottle into the fixing assembly, after the anti-suck-back bottle passes through the first limiting plate and the second limiting plate, the bottom of the anti-suck-back bottle is positioned in the groove of the bearing plate, and the first limiting plate and the second limiting plate limit the anti-suck-back bottle, so that the anti-suck-back bottle is not easy to shake and is more stable in the groove;
2. after the anti-suck-back bottle is placed in the fixing component, a worker slides the clamping piece to enable the notch of the clamping piece to block the anti-suck-back bottle, so that the anti-suck-back bottle is not easy to move along the axis direction of the anti-suck-back bottle.
Drawings
FIG. 1 is an isometric view of an atmospheric sampling meter with prevention of assay suck-back in an embodiment of the present application.
Fig. 2 is a schematic view showing a state in which the engaging piece of fig. 1 slides.
Fig. 3 is an enlarged view of a portion a in fig. 2.
FIG. 4 is a cross-sectional view of the atmospheric sampler shown in FIG. 1 to prevent suck-back of assay fluid.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Description of reference numerals: 1. an instrument body; 11. an air inlet pipe; 12. an air outlet pipe; 13. a card slot; 2. a sampling tube; 21. a reinforcing bar; 3. a suck-back prevention bottle; 4. a fixing assembly; 41. a first limit plate; 411. a protrusion; 42. a second limiting plate; 43. a bearing plate; 431. a groove; 5. a clamping sheet; 51. opening the gap; 52. a clamping hook; 53. a stopper; 6. a fixed mount; 7. a cushion pad; 8. a rubber tube; 9. and (6) pipe clamping.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses prevent atmosphere sampling appearance that chemical examination liquid suck-back.
Referring to fig. 1 and 2, the atmospheric sampling instrument for preventing the test solution from being sucked reversely comprises an instrument body 1, a fixing frame 6, a sampling tube 2, a suck-back prevention bottle 3, a fixing component 4 and a rubber tube 8.
Referring to fig. 2 and 3, the instrument body 1 is a rectangular parallelepiped structure, an air inlet pipe 11 and an air outlet pipe 12 are arranged on the instrument body 1, and the air inlet pipe 11 and the air outlet pipe 12 are both located on one end face of the instrument body 1, which is the top end face of the instrument body 1. Mount 6 passes intake pipe 11 and outlet duct 12, and sampling pipe 2 is "U type" glass pipe, and sampling pipe 2 includes the portion of admitting air and the portion of giving vent to anger, and the portion of admitting air and the portion of giving vent to anger of sampling pipe 2 are parallel to each other, and the portion of giving vent to anger of sampling pipe 2 is equipped with the spherical portion of preventing suck-back portion, and sampling pipe 2 passes mount 6 to the spherical portion of preventing suck-back portion supports on mount 6 of sampling pipe 2. Prevent that suck-back bottle 3 is cylindric structure and inside is the cavity, prevents that the inside of suck-back bottle 3 is equipped with the inlet duct portion, and the inlet duct portion passes prevents suck-back bottle 3, prevents to be equipped with the pipe portion of giving vent to anger on the circumference lateral wall of suck-back bottle 3, and the pipe portion of giving vent to anger is located prevents suck-back bottle 3's top.
Referring to fig. 2 and 3, the fixing assembly 4 includes a first stopper plate 41, a second stopper plate 42, and a receiving plate 43. The first limiting plate 41 is detachably connected with the instrument body 1 through a bolt, the second limiting plate 42 is detachably connected with the instrument body 1 through a bolt, the bearing plate 43 is detachably connected with the instrument body 1 through a bolt, the second limiting plate 42 is located below the first limiting plate 41, and the bearing plate 43 is located below the second limiting plate 42. The arrangement direction of the first stopper plate 41, the second stopper plate 42, and the receiving plate 43 is the height direction. The first limiting plate 41 and the second limiting plate 42 are both provided with through holes for the anti-suck-back bottle 3 to pass through, and the first limiting plate 41 is also provided with through holes for the air outlet pipe 12 to pass through. Set up the recess 431 that is used for placing the anti-suck-back bottle 3 on the accepting board 43, the staff will be located the recess 431 on accepting board 43 after passing first limiting plate 41, second limiting plate 42 with the anti-suck-back bottle 3, the anti-suck-back bottle 3 is more stable in fixed subassembly 4.
Referring to fig. 3 and 4, when a worker places the anti-suck back bottle 3 into the fixing member 4, the anti-suck back bottle 3 may be moved in a height direction. In order to further improve the stability of the anti-suck-back bottle 3 in the fixing component 4, the first limiting plate 41 is provided with a protrusion 411, the protrusion 411 and the first limiting plate 41 are integrally formed, the protrusion 411 is slidably connected with the engaging piece 5, the engaging piece 5 is provided with a notch 51, the engaging piece 5 is provided with two engaging hooks 52, the instrument body 1 is further provided with two engaging slots 13, and the engaging slots 13 correspond to the engaging hooks 52.
Referring to fig. 3 and 5, after the worker places the anti-suck-back bottle 3 into the fixing component 4, the worker slides the clamping piece 5 to move the opening 51 to the upper side of the anti-suck-back bottle 3, at the moment, the clamping hook 52 penetrates through the instrument body 1 and is located in the clamping groove 13, the clamping groove 13 plays a limiting role on the instrument body 1, and the clamping piece 5 is enabled to block the anti-suck-back bottle 3 and then cannot easily slide. A gap is left between the engaging hook 52 and the first limiting plate 41, when the worker takes out the anti-suck-back bottle 3 from the fixing component 4, the worker presses the engaging hook 52 to take out the engaging hook 52 from the engaging slot 13, and then slides the engaging piece 5 in a direction away from the instrument body 1 to take out the anti-suck-back bottle 3 from the fixing component 4.
In order to prevent the engaging piece 5 from easily coming off the first stopper plate 41, a stopper 53 is provided on the engaging piece 5, the stopper 53 is integrally formed with the engaging piece 5, the stopper 53 is located between the device main body 1 and the protruding portion 411, and when the worker slides the engaging piece 5 in a direction away from the device main body 1, the stopper 53 abuts against the protruding portion 411, and the engaging piece 5 is not easily brought off the first stopper plate 41.
When transport or use instrument body 1, prevent possibly bumping between suck-back prevention bottle 3 and first limiting plate 41, the second limiting plate 42, probably can make suck-back prevention bottle 3 take place to damage after colliding for a long time, in order to reduce the collision between suck-back prevention bottle 3 and first limiting plate 41 or the second limiting plate 42, fixedly connected with blotter 7 on first limiting plate 41 and second limiting plate 42, blotter 7 is made by sponge material or rubber material. After the staff will prevent that suck-back bottle 3 places into fixed subassembly 4, prevent suck-back bottle 3 and 7 butts of blotter, blotter 7 plays the guard action to preventing suck-back bottle 3, makes prevent that suck-back bottle 3 is difficult to take place to damage.
Referring to fig. 1, since the sampling tube 2 is U-shaped, the gas inlet tube 11 and the gas outlet tube 12 of the sampling tube 2 may be broken, and in order to increase the strength of the sampling tube 2, a reinforcing rod 21 is provided on the sampling tube 2, and one end of the reinforcing rod 21 is connected to the gas inlet tube portion and the other end is connected to the gas outlet tube portion. The reinforcing rod 21 increases the strength of the sampling tube 2, and the sampling tube 2 is not easily damaged.
The implementation principle of the atmospheric sampling instrument for preventing the test solution from being sucked backwards is as follows: during the staff placed into mount 6 with sampling pipe 2 to pour into chemical examination liquid into sampling pipe 2, then will prevent that suck-back bottle 3 passes first limiting plate 41 and second limiting plate 42, and make and accept board 43 and accept sampling pipe 2, then slide block 5 and will prevent that suck-back bottle 3 keeps off, block hook 52 passes instrument body 1 and is located draw-in groove 13, prevents that suck-back bottle 3 is more stable on instrument body 1.
The staff uses 8 connections of rubber tube 8 to prevent the air inlet pipe portion of suck-back bottle 3 and the pipe portion of giving vent to anger of sampling pipe 2 with the air inlet pipe 11 of 8 connection instrument bodies of rubber tube 1 to block rubber tube 8 with pipe strap 9. Instrument during operation, gaseous from the inlet tube portion entering of sampling pipe 2 after chemical examination liquid from the outlet tube portion outflow entering of sampling pipe 2 prevent suck-back bottle 3, then from prevent suck-back bottle 3 prevent the outlet tube portion outflow and follow the rubber tube 8 flow to instrument body 1's intake pipe 11 in, then by instrument body 1 carry out sampling analysis can, last gaseous outlet duct 12 from instrument body 1 flows.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an atmospheric sampling appearance of preventing chemical examination liquid suck-back which characterized in that: the device comprises an instrument body (1), an air inlet pipe (11) and an air outlet pipe (12) which are arranged on the instrument body (1), a sampling pipe (2) which is arranged on the instrument body (1), an anti-suck-back bottle (3) which is arranged on the instrument body (1) and a fixing component (4) which is arranged on the instrument body (1);
the fixing component (4) comprises a first limiting plate (41) arranged on the instrument body (1), a second limiting plate (42) arranged on the instrument body (1) and a bearing plate (43) arranged on the instrument body (1);
a groove (431) is formed in the bearing plate (43), and the suck-back prevention bottle (3) penetrates through the first limiting plate (41) and the second limiting plate (42) and then is located in the groove (431);
the gas outlet of sampling pipe (2) and prevent the air inlet intercommunication on the anti-suck-back bottle (3), the gas outlet of anti-suck-back bottle (3) and intake pipe (11) intercommunication of instrument body (1).
2. The atmospheric sampling instrument for preventing suck-back of assay liquid according to claim 1, wherein: a protruding part (411) is arranged on the first limiting plate (41), and a clamping sheet (5) is connected on the protruding part (411) in a sliding manner;
the clamping piece (5) penetrates through the instrument body (1), a notch (51) is formed in the clamping piece (5), and the suck-back prevention bottle (3) is located in the notch (51).
3. The atmospheric sampling instrument for preventing the suck-back of the assay liquid according to claim 2, wherein: the first limiting plate (41) is provided with a clamping hook (52) arranged on the clamping sheet (5), and the instrument body (1) is provided with a clamping groove (13);
after the clamping sheet (5) penetrates through the instrument body (1), the clamping hook (52) is positioned in the clamping groove (13).
4. The atmospheric sampling instrument for preventing suck-back of assay liquid according to claim 1, wherein: a fixing frame (6) is arranged on the instrument body (1);
the sampling pipe (2) penetrates through the fixing frame (6).
5. The atmospheric sampling instrument for preventing the suck-back of the assay liquid according to claim 2, wherein: a stop block (53) is arranged on the clamping sheet (5);
the stop block (53) is positioned between the first limit plate (41) and the instrument body (1).
6. The atmospheric sampling instrument for preventing suck-back of assay liquid according to claim 1, wherein: the first limiting plate (41) and the second limiting plate (42) are provided with cushion pads (7);
the suck-back prevention bottle (3) is abutted to the cushion pad (7).
7. The atmospheric sampling instrument for preventing suck-back of assay liquid according to claim 1, wherein: rubber pipes (8) are communicated between an air inlet pipe (11) of the instrument body (1) and an air outlet of the anti-suck-back bottle (3) and between an air outlet of the sampling pipe (2) and an air inlet of the anti-suck-back bottle (3), and a plurality of pipe clamps (9) are arranged on the instrument body (1);
the rubber tube (8) is positioned in the tube clamps (9).
8. The atmospheric sampling instrument for preventing suck-back of assay liquid according to claim 1, wherein: and a reinforcing rod (21) is arranged on the sampling pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120338916.3U CN214309756U (en) | 2021-02-05 | 2021-02-05 | Atmospheric sampling instrument for preventing test solution from being sucked backwards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120338916.3U CN214309756U (en) | 2021-02-05 | 2021-02-05 | Atmospheric sampling instrument for preventing test solution from being sucked backwards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214309756U true CN214309756U (en) | 2021-09-28 |
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ID=77833508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120338916.3U Active CN214309756U (en) | 2021-02-05 | 2021-02-05 | Atmospheric sampling instrument for preventing test solution from being sucked backwards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214309756U (en) |
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2021
- 2021-02-05 CN CN202120338916.3U patent/CN214309756U/en active Active
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