CN220729776U - Sampling mechanism and workshop hazardous gas monitoring alarm device - Google Patents
Sampling mechanism and workshop hazardous gas monitoring alarm device Download PDFInfo
- Publication number
- CN220729776U CN220729776U CN202322408964.7U CN202322408964U CN220729776U CN 220729776 U CN220729776 U CN 220729776U CN 202322408964 U CN202322408964 U CN 202322408964U CN 220729776 U CN220729776 U CN 220729776U
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- pull rod
- sleeve
- sampling mechanism
- worm
- collecting pipe
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- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 231100001261 hazardous Toxicity 0.000 title claims description 11
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of gas detection, in particular to a sampling mechanism and a workshop dangerous gas monitoring alarm device, wherein a sleeve is positioned under a pull rod, a collecting pipe is rotationally arranged in the sleeve, a control valve is arranged at the end part of the collecting pipe, an exhaust hole is arranged on the side wall of the collecting pipe, a backflow pipeline which is distributed in a staggered manner with the exhaust hole is arranged in the sleeve, and a piston is slidingly inserted in the collecting pipe, so that the beneficial effects are that: through setting up the cooperation of sampling tube, pull rod, worm wheel and worm to utilize the lift drive of telescopic link, reach the purpose of bleeding, sampling, in the sampling process, utilize the lower extreme of pull rod to hold the gas, utilize the worm wheel and the worm pipe cooperation of interlude, reach rotation driven purpose, make exhaust hole and backward flow runner intercommunication, along with the further rising of pull rod, inhale the air current in the pipeline and mix, and then push down the pull rod, utilize detection device to detect the air current of mixing, avoid appearing the problem that the testing result delays.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to a sampling mechanism and a workshop hazardous gas monitoring and alarming device.
Background
In the workshop of production hazardous gas, need set up detection device for the gas in the real-time detection workshop avoids revealing of hazardous gas.
The current collection system mostly reaches the purpose of sampling through the intermittent motion of air pump, and then utilizes detection device to detect the gas of gathering, however because the collection of air pump is difficult to control the air input, the switch of air pump needs to be controlled simultaneously to set up the intelligent control device that the required air input of adaptation detection, thereby increased the cost of detection, and the remaining air current in detection device can influence the result of detection, appears newly sampled air current gathering in the pipeline easily, and detection device detects the air current of remaining in the pipeline before for, causes the delay of testing result.
Disclosure of Invention
The utility model aims to provide a sampling mechanism and a workshop hazardous gas monitoring and alarming device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a sampling mechanism, the sampling mechanism comprising:
the telescopic end of the second lifting rod is connected with a cross beam, the bearings at the two ends of the cross beam are rotatably provided with a pull rod, the middle section of the pull rod is provided with a worm pipe, and the end part of the pull rod is fixedly provided with a piston;
the sleeve is positioned right below the pull rod, the collecting pipe is rotationally arranged in the sleeve, the end part of the collecting pipe is provided with a control valve, the side wall of the collecting pipe is provided with an exhaust hole, a backflow pipeline which is distributed in a staggered manner with the exhaust hole is arranged in the sleeve, and the piston is slidingly inserted in the collecting pipe;
the worm wheel is positioned at the rear side of the pull rod and is meshed with the worm pipe.
Preferably, the side wall of the collecting pipe is provided with a side groove, and the circular arc outer wall of the piston is provided with a side block which is inserted in the side groove in a sliding manner.
Preferably, the end part of the worm pipe is provided with an ear seat, a fixing screw is inserted through threads on the ear seat, and the fixing screw is pressed on the outer wall of the pull rod.
Preferably, the arc outer wall of the pull rod is provided with a pressing groove, and the end part of the fixing screw is fastened and pressed on the pressing groove.
Preferably, the exhaust holes and the return pipeline are circumferentially staggered at an angle of 180 degrees.
The utility model provides a workshop hazardous gas monitoring alarm device, includes the detection machine, the vertical first lifter that is provided with of upper end of detection machine, the fixed detection device that is provided with in upper end of first lifter, sampling mechanism install in detection device's upper end, backflow pipeline intercommunication detection device.
Preferably, the lower end of the detector is provided with a roller, and the side wall of the detector is provided with a push handle.
Preferably, the sleeve and the worm wheel are both fixed on the detection device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the lifting drive of the telescopic rod is utilized by arranging the sampling tube, the pull rod, the worm wheel and the worm pipe, so that the purposes of air extraction and sampling are achieved, in the sampling process, the lower end of the pull rod is utilized for air storage, the worm wheel and the worm pipe at the middle section are matched, the purpose of rotation drive is achieved, the exhaust hole is communicated with the backflow runner, the air flow in the pipeline is sucked and mixed along with the further rising of the pull rod, the pull rod is further pressed down, the mixed air flow is detected by the detection device, and the problem of delayed detection result is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic drawing showing a three-dimensional structure of a pull rod according to the present utility model;
FIG. 3 is an assembled view of the pull rod and the collection tube of the present utility model.
In the figure: 1. a detecting machine; 2. a roller; 3. a first lifting rod; 4. a detection device; 5. a push handle; 6. a second lifting rod; 7. a cross beam; 8. a sleeve; 9. a collection tube; 10. a pull rod; 11. a worm wheel; 12. a worm pipe; 13. a return line; 14. a piston; 15. a control valve; 16. a side groove; 17. a fixing screw; 18. an exhaust hole; 19. a side block; 20. and (5) pressing a groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution:
example 1: a sampling mechanism comprises a second lifting rod 6, a sleeve 8 and a worm wheel 11.
The telescopic end of the second lifting rod 6 is connected with a cross beam 7, the bearings at the two ends of the cross beam 7 are rotatably provided with a pull rod 10, the middle section of the pull rod 10 is provided with a worm pipe 12, and the end part of the pull rod 10 is fixedly provided with a piston 14.
The purpose of driving the pull rod 10 and the piston 14 to move up and down is achieved through the cooperation of the second lifting rod 6 and the cross beam 7.
The sleeve 8 is positioned under the pull rod 10, the collecting pipe 9 is rotationally arranged at the sleeve 8, the control valve 15 is arranged at the end part of the collecting pipe 9, the exhaust hole 18 is arranged on the side wall of the collecting pipe 9, the backflow pipeline 13 which is distributed in a staggered manner with the exhaust hole 18 is arranged in the sleeve 8, the exhaust hole 18 and the backflow pipeline 13 are distributed in a 180-degree angle circumference staggered manner, the piston 14 is slidingly inserted into the collecting pipe 9, the worm wheel 11 is positioned at the rear side of the pull rod 10, and the worm wheel 11 is meshed with the worm pipe 12.
When the detection is started, the piston 14 is pressed on the upper end of the control valve 15, the pull rod 10 is driven to ascend through the second lifting rod 6, the worm pipe 12 is positioned at the lower end of the worm wheel 11, the pull rod 10 ascends to pull the piston 14 to ascend, and the outside air flow is adsorbed into the air collection pipe 9, and is in the air storage process at the moment;
when the worm wheel 11 is in meshed contact with the worm pipe 12, the pull rod 10 is driven to rotate circumferentially due to the ascending traction of the worm pipe 12, so that the pull rod 10 rotates circumferentially by 180 degrees, and the exhaust hole 18 is communicated with the return pipeline 13, and the rotational connection process is adopted at the moment;
after engagement, the continuous rising of the pull rod 10 causes the air flow in the return pipe 13 to be absorbed into the collecting pipe 9 and fully mixed, at the moment, the control valve 15 is closed, the second lifting rod 6 descends, the mixed air flow is fully pressed into the return pipe for detection, the result is displayed in real time, and the delay of the detection result is avoided.
Example 2: on the basis of embodiment 1, the side wall of the collecting tube 9 is provided with a side groove 16, and the circular arc outer wall of the piston 14 is provided with a side block 19 which is slidably inserted in the side groove 16.
By arranging the matching of the side grooves 16 and the side blocks 19, the rotation of the pull rod 10 is guaranteed to drive the piston 14 to rotate, and the piston 14 rotates to drag the collecting pipe 9 to rotate.
The end of the worm pipe 12 is provided with an ear seat, a fixing screw 17 is inserted through threads on the ear seat, the fixing screw 17 is pressed on the outer wall of the pull rod 10, the arc outer wall of the pull rod 10 is provided with a pressing groove 20, and the end of the fixing screw 17 is fastened and pressed on the pressing groove 20.
The height is conveniently adjusted by arranging the worm pipe 12, so that the suction time is conveniently adjusted according to the length of the return pipeline 13, and the rising height of the pull rod 10 is further controlled.
The utility model provides a workshop hazardous gas monitoring alarm device, including detector 1, the vertical first lifter 3 that is provided with in upper end of detector 1, the fixed detection device 4 that is provided with in upper end of first lifter 3, sampling mechanism installs the upper end at detection device 4, backflow pipeline 13 intercommunication detection device 4, the lower extreme of detector 1 is provided with gyro wheel 2, the lateral wall of detector 1 is provided with pushing handle 5, sleeve pipe 8 and worm wheel 11 are all fixed on detection device 4.
The purpose of controlling the height of the sampling tube 9 is achieved by arranging the first lifting rod 3, the sampling range is enlarged, and the purpose of convenient movement is achieved by utilizing the cooperation of the roller 2 and the pushing handle 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A sampling mechanism, characterized in that: the sampling mechanism comprises:
the telescopic end of the second lifting rod (6) is connected with a cross beam (7), a pull rod (10) is rotatably arranged at two ends of the cross beam (7) through bearings, a worm pipe (12) is arranged at the middle section of the pull rod (10), and a piston (14) is fixedly arranged at the end part of the pull rod (10);
the device comprises a sleeve (8), wherein the sleeve (8) is positioned under a pull rod (10), a collecting pipe (9) is rotationally arranged on the sleeve (8), a control valve (15) is arranged at the end part of the collecting pipe (9), an exhaust hole (18) is formed in the side wall of the collecting pipe (9), a backflow pipeline (13) which is distributed in a staggered manner with the exhaust hole (18) is arranged in the sleeve (8), and a piston (14) is slidably inserted into the collecting pipe (9);
the worm wheel (11), worm wheel (11) are located the rear side of pull rod (10), worm wheel (11) and worm pipe (12) meshing connection.
2. A sampling mechanism according to claim 1, wherein: the side wall of the collecting tube (9) is provided with a side groove (16), and the circular arc outer wall of the piston (14) is provided with a side block (19) which is inserted into the side groove (16) in a sliding manner.
3. A sampling mechanism according to claim 1, wherein: the end of the worm pipe (12) is provided with an ear seat, a fixing screw (17) is inserted through threads on the ear seat, and the fixing screw (17) is pressed on the outer wall of the pull rod (10).
4. A sampling mechanism according to claim 3, wherein: the arc outer wall of the pull rod (10) is provided with a pressing groove (20), and the end part of the fixing screw (17) is fastened and pressed on the pressing groove (20).
5. A sampling mechanism according to claim 1, wherein: the exhaust holes (18) and the return pipeline (13) are circumferentially staggered at an angle of 180 degrees.
6. Workshop hazardous gas monitoring alarm device, including detecting machine (1), its characterized in that: the upper end of the detector (1) is vertically provided with a first lifting rod (3), the upper end of the first lifting rod (3) is fixedly provided with a detection device (4), the sampling mechanism according to any one of claims 1-5 is arranged at the upper end of the detection device (4), and the backflow pipeline (13) is communicated with the detection device (4).
7. The plant hazardous gas monitoring and alarming device according to claim 6, wherein: the lower extreme of detection machine (1) is provided with gyro wheel (2), and the lateral wall of detection machine (1) is provided with pushing handle (5).
8. The plant hazardous gas monitoring and alarming device according to claim 6, wherein: the sleeve (8) and the worm wheel (11) are both fixed on the detection device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408964.7U CN220729776U (en) | 2023-09-05 | 2023-09-05 | Sampling mechanism and workshop hazardous gas monitoring alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408964.7U CN220729776U (en) | 2023-09-05 | 2023-09-05 | Sampling mechanism and workshop hazardous gas monitoring alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220729776U true CN220729776U (en) | 2024-04-05 |
Family
ID=90500109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408964.7U Active CN220729776U (en) | 2023-09-05 | 2023-09-05 | Sampling mechanism and workshop hazardous gas monitoring alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220729776U (en) |
-
2023
- 2023-09-05 CN CN202322408964.7U patent/CN220729776U/en active Active
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