CN212904100U - Three-gas-circuit air sampling instrument convenient for filter membrane replacement - Google Patents
Three-gas-circuit air sampling instrument convenient for filter membrane replacement Download PDFInfo
- Publication number
- CN212904100U CN212904100U CN202021232461.9U CN202021232461U CN212904100U CN 212904100 U CN212904100 U CN 212904100U CN 202021232461 U CN202021232461 U CN 202021232461U CN 212904100 U CN212904100 U CN 212904100U
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- air
- filter membrane
- fixture block
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- block
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- 239000012528 membrane Substances 0.000 title claims abstract description 40
- 238000005070 sampling Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a three-gas circuit air sampler convenient for filter membrane replacement, which comprises a sampler body, wherein an air tying pump is arranged in the sampler body, one side of the air tying pump is provided with a detection cavity, one side of the detection cavity is fixedly connected with an exhaust pipe, the top of the air tying pump is fixedly connected with an air duct, the top of the air duct is fixedly connected with a filter chamber, and the top of the filter chamber is provided with an air inlet pipe; the fixed fixture block, pressure spring, hinge, roller bearing lead screw and the movable block through the design are convenient for this air sampling appearance in the use, drive fixed fixture block through rotating the knob and rise, then fixed fixture block upper portion break away from under pressure spring's effect with the joint of filter membrane, avoided traditional air sampling appearance to change the loaded down with trivial details nature of filter membrane, improved staff's change efficiency and fixed mounting's accuracy greatly.
Description
Technical Field
The utility model belongs to the technical field of the air sampling appearance, concretely relates to three gas circuit air sampling appearance of ware that make things convenient for filter membrane to change.
Background
The air sampler, also called an air suction type smoke-sensing fire detector or an air sampling fire detector, sucks air in a protection area into the detector through an air sampling pipe for analysis so as to early-stage early warning of fire, continuously collects air samples from the protected area and puts the air samples into the detector, the air samples are filtered by a filter assembly to remove dust particles and then enter a detection cavity, the detection cavity is provided with a stable laser light source, smoke particles enable laser to be scattered, the scattered light enables a high-sensitivity optical receiver to generate signals, photoelectric conversion is completed through system analysis, and the smoke concentration value and the alarm level thereof are displayed by a display.
Current air sampling appearance is after long-time use, because can have a large amount of dusts in the air, the filter membrane can be blockked up by the dust under long-time filtration to block up air admission air sampling appearance, just need change the filter membrane this moment, and the filter membrane of current air sampling appearance is changed the step complicacy, not only wastes time and energy, can also appear installation error's problem, for this reason we provide a three gas circuit air sampling appearance of ware that makes things convenient for the filter membrane to change.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make things convenient for three gas circuit air sampling appearance of ware that filter membrane was changed to propose current air sampling appearance in solving above-mentioned background art after long-time use, because can have a large amount of dusts in the air, the filter membrane can be blockked up by the dust under long-time filtration, thereby block air admission air sampling appearance, just need change the filter membrane this moment, and the filter membrane of current air sampling appearance is changed the step complicacy, not only waste time and energy, the problem of installation error can also appear.
In order to achieve the above object, the utility model provides a following technical scheme: a three-gas-circuit air sampler convenient for filter membrane replacement comprises a sampler body, wherein an air tying pump is arranged inside the sampler body, a detection chamber is arranged on one side of the air tying pump, an exhaust pipe is fixedly connected on one side of the detection chamber, an air guide pipe is fixedly connected on the top of the air tying pump, a filter chamber is fixedly connected on the top of the air guide pipe, an air inlet pipe is arranged on the top of the filter chamber, a filter membrane is arranged inside the filter chamber, a top cover is movably clamped on the top of the filter membrane, a connecting mechanism is sleeved on the top of the top cover in a threaded manner, fixed clamping blocks are arranged on two sides of the filter membrane, a hinge is arranged in the middle of each fixed clamping block, an automatic pushing-away mechanism is arranged on one side of the hinge, a movable block is fixedly connected on one side of, the top fixedly connected with knob of roller bearing lead screw, the bottom of intake pipe is provided with fixed pipe.
Preferably, the rear surface of sampling appearance body is fixedly connected with spacing fixture block, the card hole has been seted up to one side of spacing fixture block, the rear surface of spacing fixture block is provided with unable adjustment base, screw has all been seted up in unable adjustment base front surface four corners, unable adjustment base's front surface fixedly connected with stopper, the inner wall of stopper is provided with fixed establishment.
Preferably, coupling mechanism includes the intake pipe, the lower surface of intake pipe is provided with annular lug, and annular lug hole is the same with the inside hole diameter of intake pipe, the bottom outside of intake pipe is provided with the screw thread, just the top of fixed pipe cup joints through the screw thread with the intake pipe bottom outside, the inner wall lower fixed surface of fixed pipe is connected with the rubber circle.
Preferably, the automatic pushing-away mechanism comprises a pressure spring, a limiting rod is arranged inside the pressure spring, a hemispherical push block is arranged at the top of the pressure spring, the limiting rod is clamped with the hemispherical push block, a circular hole is formed in the bottom of the pressure spring, and the limiting rod is movably sleeved with the circular hole.
Preferably, the fixing mechanism comprises a button, a reset spring is arranged on the outer side of the button, one side of the reset spring is fixedly connected with the button, and the other side of the reset spring is fixedly connected with one side of the inner wall of the limiting block.
Preferably, one side of the fixed fixture block is provided with a limiting guide rail, and the bottom of one side of the fixed fixture block is movably sleeved with the limiting guide rail.
Preferably, the upper surface of the limiting block is provided with a square groove matched with the bottom of the limiting fixture block, the front surface of the limiting block is provided with a square hole matched with the top of the limiting fixture block, and the limiting fixture block is movably clamped with the limiting block through the square groove and the square hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the fixed fixture block, pressure spring, hinge, roller bearing lead screw and the movable block through the design are convenient for this air sampling appearance in the use, drive fixed fixture block through rotating the knob and rise, then fixed fixture block upper portion break away from under pressure spring's effect with the joint of filter membrane, avoided traditional air sampling appearance to change the loaded down with trivial details nature of filter membrane, improved staff's change efficiency and fixed mounting's accuracy greatly.
2. Decide base, stopper, screw, button and the card hole through the design and be convenient for the device in the use, through stopper and fixture block joint, then die through the button card, avoided traditional air sampling appearance loaded down with trivial details dismantlement step in the maintenance process, improved the device's dismantlement convenience and practicality greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the roller screw of the present invention;
FIG. 3 is a schematic view of the front cross-sectional structure of the intake pipe of the present invention;
fig. 4 is a schematic view of a front sectional structure of the fixing base of the present invention;
fig. 5 is the utility model discloses a structure schematic diagram is looked sideways to the sampling appearance body.
In the figure: 1. a sampler body; 2. an air duct; 3. an air pump is tied; 4. a detection chamber; 5. An exhaust pipe; 6. a filtering chamber; 7. an air inlet pipe; 8. filtering the membrane; 9. a top cover; 10. a knob; 11. Fixing the fixture block; 12. a pressure spring; 13. a hinge; 14. a roller screw rod; 15. a movable block; 16. a rubber ring; 17. a fixed tube; 18. a fixed base; 19. a limiting block; 20. a screw hole; 21. a button; 22. a clamping hole; 23. and a limiting clamping block.
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. 1-5, the present invention provides a technical solution: a three-gas-circuit air sampler convenient for filter membrane replacement comprises a sampler body 1, wherein an air tying pump 3 is arranged inside the sampler body 1, a detection chamber 4 is arranged on one side of the air tying pump 3, an exhaust pipe 5 is fixedly connected on one side of the detection chamber 4, an air guide pipe 2 is fixedly connected on the top of the air tying pump 3, a filter chamber 6 is fixedly connected on the top of the air guide pipe 2, an air inlet pipe 7 is arranged on the top of the filter chamber 6, a filter membrane 8 is arranged inside the filter chamber 6, a top cover 9 is movably clamped on the top of the filter membrane 8, a connecting mechanism is sleeved on the top of the top cover 9 through threads, fixed fixture blocks 11 are arranged on two sides of the filter membrane 8, hinges 13 are arranged in the middle of the fixed fixture blocks 11, an automatic pushing-away mechanism is arranged on one side of each hinge 13, a movable block, the top of the roller screw 14 is fixedly connected with a knob 10, and the bottom of the air inlet pipe 7 is provided with a fixed pipe 17.
In this embodiment, the knobs 10 on both sides are rotated clockwise, the knob 10 drives the roller lead screw 14 to rotate, the roller lead screw 14 drives the movable block 15 to move upwards, the movable block 15 moves upwards to drive the fixed clamping block 11 to move upwards, the fixed clamping block 11 drives the filter membrane 8 to move upwards, the filter membrane 8 is taken out from the upper half part of the fixed clamping block 11 to be replaced after the movable block reaches a position, the knob 10 is rotated anticlockwise after the replacement is completed, and the filter membrane 8 is moved downwards and fixed to be installed.
Specifically, the rear surface of sampling appearance body 1 is fixedly connected with spacing fixture block 23, and card hole 22 has been seted up to one side of spacing fixture block 23, and the rear surface of spacing fixture block 23 is provided with unable adjustment base 18, and screw 20 has all been seted up in 18 front surface four corners of unable adjustment base, and the front surface fixed connection of unable adjustment base 18 has stopper 19, and stopper 19's inner wall is provided with fixed establishment.
In this embodiment, with unable adjustment base 18 through screw 20 fixed mounting on the wall, then with spacing fixture block 23 and 19 joints of stopper, the installation of sampling appearance body 1 was accomplished this moment, and when needs maintenance, direct rebound spacing fixture block 23 breaks away from the joint and takes out sampling appearance body 1.
Specifically, coupling mechanism includes intake pipe 7, and the lower surface of intake pipe 7 is provided with annular lug, and annular lug hole is the same with the inside hole diameter of intake pipe 7, and the bottom outside of intake pipe 7 is provided with the screw thread, and the top of fixed pipe 17 cup joints through the screw thread with the intake pipe 7 bottom outside, and fixed pipe 17's inner wall lower fixed surface is connected with rubber circle 16.
In this embodiment, align fixed pipe 17 with filter chamber 6, then rotate fixed pipe 17, fixed pipe 17 passes through intake pipe 7 bottom outside screw thread rotation decline extrusion rubber circle 16 and forms airtight space and then is connected with filter chamber 6, otherwise moves fixed pipe 17 upwards and provides bigger operating space for changing filter membrane 8.
Specifically, the automatic pushing-away mechanism comprises a pressure spring 12, a limiting rod is arranged inside the pressure spring 12, a hemispheroid push block is arranged at the top of the pressure spring 12, the limiting rod is connected with the hemispheroid push block in a clamping mode, a circular hole is formed in the bottom of the pressure spring 12, and the limiting rod is movably sleeved with the circular hole.
In this embodiment, when the upper half of the fixed fixture block 11 is separated from the limiting guide rail on the inner wall of the filtering chamber 6, the pressure spring 12 pushes the fixed fixture block 11 to automatically rotate and open under the action of the hinge 13, so that the filter membrane 8 can be conveniently taken out by a worker.
Specifically, fixed establishment includes button 21, and the outside of button 21 is provided with reset spring, reset spring one side and button 21 fixed connection, opposite side and the inside one side fixed connection of inner wall of stopper 19.
In this embodiment, when spacing fixture block 23 and stopper 19 joint, extrusion button 21 removes to one side, and after the joint was accomplished, button 21 died with the card hole 22 card under the elastic action, prevented that spacing fixture block 23 and stopper 19 break away from.
Specifically, a limiting guide rail is arranged on one side of the fixed fixture block 11, and the bottom of one side of the fixed fixture block 11 is movably sleeved with the limiting guide rail.
In this embodiment, when the movable block 15 drives the fixed block 11 to move upward, the pressure spring 12 pushes the upper half portion of the fixed block 11 to rotate to one side through the hinge 13, so as to avoid the influence of excessive friction on the movable block 15 to drive the fixed block 11 to move.
Specifically, the upper surface of the limiting block 19 is provided with a square groove matched with the bottom of the limiting fixture block 23, the front surface of the limiting block 19 is provided with a square hole matched with the top of the limiting fixture block 23, and the limiting fixture block 23 is movably clamped with the limiting block 19 through the square groove and the square hole.
In this embodiment, when limiting fixture block 23 and limiting block 19 joint, in order to avoid the joint not hard up, square groove and square hole have been seted up specially, increase area of contact, make the joint inseparabler.
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 (7)
1. The utility model provides a make things convenient for three gas circuit air samplers of ware that filter membrane was changed, includes sampler body (1), the inside of sampler body (1) is provided with system air pump (3), one side of system air pump (3) is provided with surveys chamber (4), one side fixedly connected with blast pipe (5) of surveying chamber (4), top fixedly connected with air duct (2) of system air pump (3), top fixedly connected with filter chamber (6) of air duct (2), the top of filter chamber (6) is provided with intake pipe (7), its characterized in that: the inside of filter chamber (6) is provided with filter membrane (8), the top activity joint of filter membrane (8) has top cap (9), coupling mechanism has been cup jointed to the top screw thread of top cap (9), the both sides of filter membrane (8) all are provided with fixed fixture block (11), the middle part of fixed fixture block (11) is provided with hinge (13), one side of hinge (13) is provided with the automatic mechanism that pushes away, bottom one side fixedly connected with movable block (15) of fixed fixture block (11), roller bearing lead screw (14) have been cup jointed in the inboard activity of movable block (15), the top fixedly connected with knob (10) of roller bearing lead screw (14), the bottom of intake pipe (7) is provided with fixed pipe (17).
2. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 1, wherein: the rear surface of sampling appearance body (1) fixed connection has spacing fixture block (23), card hole (22) have been seted up to one side of spacing fixture block (23), the rear surface of spacing fixture block (23) is provided with unable adjustment base (18), screw (20) have all been seted up in unable adjustment base (18) front surface four corners, the front surface fixed connection of unable adjustment base (18) stopper (19), the inner wall of stopper (19) is provided with fixed establishment.
3. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 1, wherein: coupling mechanism includes intake pipe (7), the lower surface of intake pipe (7) is provided with annular lug, and annular lug hole is the same with intake pipe (7) inside hole diameter, the bottom outside of intake pipe (7) is provided with the screw thread, just the top of fixed pipe (17) cup joints through the screw thread with intake pipe (7) bottom outside, the inner wall lower fixed surface of fixed pipe (17) is connected with rubber circle (16).
4. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 1, wherein: the automatic push-away mechanism comprises a pressure spring (12), a limiting rod is arranged inside the pressure spring (12), a hemispheroid push block is arranged at the top of the pressure spring (12), the limiting rod is connected with the hemispheroid push block in a clamping mode, a circular hole is formed in the bottom of the pressure spring (12), and the limiting rod is movably sleeved with the circular hole.
5. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 2, wherein: the fixing mechanism comprises a button (21), a reset spring is arranged on the outer side of the button (21), one side of the reset spring is fixedly connected with the button (21), and the other side of the reset spring is fixedly connected with one side of the inner wall of the limiting block (19).
6. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 1, wherein: and a limiting guide rail is arranged on one side of the fixed clamping block (11), and the bottom of one side of the fixed clamping block (11) is movably sleeved with the limiting guide rail.
7. The three-air-path air sampler with convenient filter membrane replacement as claimed in claim 2, wherein: the upper surface of the limiting block (19) is provided with a square groove matched with the bottom of the limiting fixture block (23), the front surface of the limiting block (19) is provided with a square hole matched with the top of the limiting fixture block (23), and the limiting fixture block (23) is movably clamped with the limiting block (19) through the square groove and the square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232461.9U CN212904100U (en) | 2020-06-29 | 2020-06-29 | Three-gas-circuit air sampling instrument convenient for filter membrane replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232461.9U CN212904100U (en) | 2020-06-29 | 2020-06-29 | Three-gas-circuit air sampling instrument convenient for filter membrane replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904100U true CN212904100U (en) | 2021-04-06 |
Family
ID=75280834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232461.9U Expired - Fee Related CN212904100U (en) | 2020-06-29 | 2020-06-29 | Three-gas-circuit air sampling instrument convenient for filter membrane replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904100U (en) |
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2020
- 2020-06-29 CN CN202021232461.9U patent/CN212904100U/en not_active Expired - Fee Related
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| 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: 20210406 |