CN204405633U - The special verification cover of gas detecting instrument - Google Patents
The special verification cover of gas detecting instrument Download PDFInfo
- Publication number
- CN204405633U CN204405633U CN201520079013.2U CN201520079013U CN204405633U CN 204405633 U CN204405633 U CN 204405633U CN 201520079013 U CN201520079013 U CN 201520079013U CN 204405633 U CN204405633 U CN 204405633U
- Authority
- CN
- China
- Prior art keywords
- cover body
- detecting instrument
- venthole
- gas detecting
- air admission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the special verification cover of gas detecting instrument, comprise semicircular cover body; Cover body is provided with air admission hole and venthole by the spacing of setting, and air admission hole stretches out with venthole the tube wall be connected above cover body; The inner face of cover body is provided with the buckle for connecting sensor.Wherein, cover body inner face is also provided with curved baffle near venthole position between venthole and air admission hole; Cover body is ABS moulding.The utility model structure is simple, and easy to manufacture, cost is lower, can verify multiple stage gas detecting instrument simultaneously, and single School Affairs is multiple to be verified optional, improves work efficiency, and decreases the discharge capacity of poisonous and harmful or flammable explosive gas and the pollution to atmospheric environment simultaneously.
Description
Technical field
The utility model relates to the special verification cover of a kind of gas detecting instrument.
Background technology
Gas detecting instrument is under the operating environment with hazardous gas, in order to the detecting instrument that personal safety must be equipped.The gas detecting instrument now commercially sold carries out check test at the Shi Douhui that dispatches from the factory.Whether gas detecting instrument was counted from the time of making the product, no matter use, after several moons, as 3 months or 6 months not etc., the accuracy of its measurement gas all can reduce, and for safety, needs again to verify gas detecting instrument.
The verification cover that on market, existing gas detecting instrument uses is by producer's self manufacture substantially, is the special calibration tool being only applicable to our factory's gas detecting instrument.
Existing gas detecting instrument verification cover can only verify a gas detecting instrument at every turn, cannot verify multiple stage gas detecting instrument simultaneously, makes verification efficiency lower.
Summary of the invention
The technical problems to be solved in the utility model is to provide the special verification cover of a kind of gas detecting instrument.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the special verification cover of gas detecting instrument, comprises semicircular cover body; Cover body is provided with air admission hole and venthole by the spacing of setting, and air admission hole stretches out with venthole the tube wall be connected above cover body; The inner face of cover body is provided with and inwardly stretches out and for the buckle of connecting sensor.
As preferably, cover body inner face is between venthole and air admission hole and be provided with curved baffle near venthole position.
As preferably, cover body is the moulding of ABS material.
The beneficial effects of the utility model are:
Structure is simple, and easy to manufacture, cost is lower, can verify multiple stage gas detecting instrument simultaneously, and single School Affairs is multiple to be verified optional, improves work efficiency, and decreases the discharge capacity of poisonous and harmful or flammable explosive gas and the pollution to atmospheric environment simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the front view of the utility model gas detecting instrument special verification cover embodiment.
Fig. 2 is the left view of the utility model gas detecting instrument special verification cover embodiment.
Fig. 3 is the upward view of the utility model gas detecting instrument special verification cover embodiment.
Fig. 4 is the A-A portion view of Fig. 3.
Mark in figure, 1-cover body, 2-air admission hole, 3-venthole, 4-buckle, 5-curved baffle.
Embodiment
Fig. 1 is the special verification cover of a kind of gas detecting instrument, and it has a semicircular cover body 1.Cover body is provided with air admission hole 2 and venthole 3 by the spacing of setting, and air admission hole 2 and venthole 3 stretch out the hose adapter (Fig. 2) be connected outside cover body 1.
In figure 3, the inner face of cover body 1 is provided with two buckles 4 for connecting gas detecting instrument upper sensor, and the external part of buckle 4 is provided with flange and suitable with the hole on sensor, can insert the hole on the sensor of gas detecting instrument and stuck fast.Be provided with curved baffle 5 at cover body inner face, venthole and air admission hole separate and the position (Fig. 4) of close venthole 3 by curved baffle.
Two buckles stretched out downwards in cover body just in time can block the sensor above gas detecting instrument, are made to verify the sensor site of covering and can be close to gas detecting instrument by buckle.
Curved baffle 5 is semicircle, and it surrounds with the half of semi-surrounding form by venthole, and its effect is that the gas making to pass into air admission hole can not flow out from venthole very soon, so as sensor can fully with pass into gas and contact.Because curved baffle is just semicircle, the gas entered in cover still can be walked around curved baffle and flow out from venthole 3, ensure that gas leads to next verification cover with certain flow rate like this when verifying multiple stage gas detecting instrument.
The injection moulding of whole cover body ABS plastic is made, this kind of material have anti-in hitting property, thermotolerance, lower temperature resistance, corrosion resistance advantage.
Using method:
Two the buckle-shaped projections of stretching out in verification cover below are connected reliably with the sensor site of gas detecting instrument, and the sensor site of the rounded bottom surface and gas detecting instrument verifying cover is fitted tightly, guarantee gas-tight or spilling.
The air admission hole of first verification cover is connected with the escape pipe of gas cylinder, and the venthole of this verification cover is verified the air admission hole covered by flexible pipe be connected with second, again the venthole of second verification cover verify the air admission hole covered be connected with the 3rd, verify to last the venthole flexible pipe covered and so forth and connect.Then the sensor site that each verification cover is directly buckled in each gas detecting instrument just can be connected, then the flow velocity of gas cylinder is transferred to certain value just can verifies maximum 8 gas detecting instruments simultaneously.
The present embodiment is the size according to gauge sensor position, design a kind of fasten position that sensor contacts with air and do not need the verification cover that whole instrument wrapped up, under can ensureing that the flow velocity of gas and sensor can fully touch the prerequisite of passed into gas, the volume verifying cover can be reduced again, structure is also simple and manufacturing cost is lower, and a design air admission hole and a venthole on verification cover, can by verifying the mode of multiple verification cover series connection multiple stage gas detecting instrument.
When using this verification to cover on to verify gas detecting instrument, can verify an instrument, this separate unit method of calibration can ensure the degree of accuracy verified at every turn.
Often to use specific gas during verification due to gas detecting instrument and cannot reclaim, comprising some toxic and harmfuls.In the past owing to verifying by separate unit, often verify one and will discharge once harmful poisonous or hazardous gas, and the present embodiment adopts multiple stage to verify simultaneously, as long as once pass into the verification that harmful poisonous gas gets final product complete multiple stage gas detecting instrument, greatly reduce discharge capacity and the environmental pollution of toxic and harmful.
Above-described the utility model embodiment, does not form the restriction to the utility model protection domain.Any do within spirit of the present utility model and principle amendment, equivalent to replace and improvement etc., all should be included within claims of the present utility model.
Claims (3)
1. the special verification cover of gas detecting instrument, is characterized in that: comprise semicircular cover body; Described cover body is provided with air admission hole and venthole by the spacing of setting, and described air admission hole stretches out with venthole the pipe adapter be connected outside cover body; The inner face of described cover body is provided with and inwardly stretches out and for the buckle of connecting sensor.
2. the special verification cover of gas detecting instrument according to claim 1, is characterized in that: described cover body inner face is between venthole and air admission hole and close venthole position is provided with curved baffle.
3. the special verification cover of gas detecting instrument according to claim 1 and 2, is characterized in that: described cover body is the moulding of ABS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520079013.2U CN204405633U (en) | 2015-02-05 | 2015-02-05 | The special verification cover of gas detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520079013.2U CN204405633U (en) | 2015-02-05 | 2015-02-05 | The special verification cover of gas detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405633U true CN204405633U (en) | 2015-06-17 |
Family
ID=53429483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520079013.2U Expired - Fee Related CN204405633U (en) | 2015-02-05 | 2015-02-05 | The special verification cover of gas detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204405633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950083A (en) * | 2015-06-28 | 2015-09-30 | 哈尔滨东方报警设备开发有限公司 | Simple gas detector calibration nozzle |
| CN105181901A (en) * | 2015-09-28 | 2015-12-23 | 哈尔滨东方报警设备开发有限公司 | Sensor calibration device |
| CN111473921A (en) * | 2020-04-16 | 2020-07-31 | 国网湖南省电力有限公司 | Detection system of sulfur hexafluoride leakage alarm device |
-
2015
- 2015-02-05 CN CN201520079013.2U patent/CN204405633U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950083A (en) * | 2015-06-28 | 2015-09-30 | 哈尔滨东方报警设备开发有限公司 | Simple gas detector calibration nozzle |
| CN105181901A (en) * | 2015-09-28 | 2015-12-23 | 哈尔滨东方报警设备开发有限公司 | Sensor calibration device |
| CN111473921A (en) * | 2020-04-16 | 2020-07-31 | 国网湖南省电力有限公司 | Detection system of sulfur hexafluoride leakage alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20170205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |