CN209841265U - Pressure difference alarm with dustproof function - Google Patents
Pressure difference alarm with dustproof function Download PDFInfo
- Publication number
- CN209841265U CN209841265U CN201920676340.4U CN201920676340U CN209841265U CN 209841265 U CN209841265 U CN 209841265U CN 201920676340 U CN201920676340 U CN 201920676340U CN 209841265 U CN209841265 U CN 209841265U
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- China
- Prior art keywords
- pressure differential
- sealing
- alarm
- pressure difference
- dustproof function
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- Expired - Fee Related
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Abstract
The utility model discloses a pressure differential alarm with dustproof function relates to pressure differential alarm technical field, and it includes the pressure differential alarm body, the surface of pressure differential alarm body is provided with sealed screw cap, sealed screw cap's lower surface is linked together with two discharging equipment's top, sealed screw cap's lower surface joint has the connecting pipe. This pressure differential alarm with dustproof function, through setting up the pressure differential alarm body, the filter mantle, the connecting plate, the bull stick, connecting pipe and backup pad, dust and impurity can not enter into the pressure differential alarm originally internally, can not cause the injury to pressure differential alarm body internal mechanism, can not cause the detection mouth jam condition in the pressure differential alarm body, the accuracy of pressure differential alarm body detection data has been improved, because of the shape of filter mantle is the cylindricality, and certain height has, whole filter mantle can all realize the ventilation, make dust and impurity can not plug up whole filter mantle, do not need the frequent clearance of staff.
Description
Technical Field
The utility model relates to a pressure differential alarm technical field specifically is a pressure differential alarm with dustproof function.
Background
The pressure difference alarm instrument is an instrument for measuring the pressure difference between two points in a roadway or pipeline fluid, and can realize the alarm effect, so that a worker can know the situation in time, but the existing pressure difference alarm instrument does not have the dustproof function, when the pressure difference alarm instrument works, gas can enter the pressure difference alarm instrument through a connecting pipe, protective measures are lacked in the pressure difference alarm instrument, dust and impurities doped in the gas can enter the pressure difference alarm instrument, the blockage situation of a detection port is caused, the accuracy of detection data is seriously influenced, the dust and the impurities can easily cause certain damage to an internal mechanism of the pressure difference alarm instrument, the normal work of the pressure difference alarm instrument is influenced, and the service life of the pressure difference alarm instrument is shortened.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a pressure differential alarm with dustproof function, it does not possess dustproof function to have solved current pressure differential alarm, when pressure differential alarm carries out the during operation, make in gaseous can enter into pressure differential alarm through the connecting pipe, lack safeguard procedures in the pressure differential alarm, make dust and impurity of doping in the gas can enter into inside the pressure differential alarm, cause the detection mouth to appear the jam condition, seriously influence the accuracy of detected data, dust and impurity still cause certain injury to pressure differential alarm inside mechanism easily, influence pressure differential alarm normal work, the problem of the life of pressure differential alarm is reduced.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a pressure differential alarm with dustproof function, includes the pressure differential alarm body, the surface of pressure differential alarm body is provided with sealed screw cap, the lower surface of sealed screw cap is linked together with two discharging equipment's top.
The lower surface joint of sealed screw cap has the connecting pipe, the upper surface of sealed screw cap and sealing device's lower surface overlap joint, sealing device's internal surface and the surface fixed connection of pressure differential alarm appearance body, this internal filter equipment that is provided with of pressure differential alarm appearance.
The lower surface of the filtering device is fixedly connected with the upper surface of the supporting plate, the outer surface of the supporting plate is in threaded connection with the inner surface of the internal thread, and the internal thread is arranged in the pressure difference alarm instrument body.
Preferably, the discharge device comprises a discharge pipe, the top end of the discharge pipe is communicated with the lower surface of the sealing threaded cap, and the front surface of the discharge pipe is provided with a valve.
Preferably, the sealing device comprises a connecting plate, the inner surface of the connecting plate is fixedly connected with the outer surface of the pressure difference alarm body, a sealing ring is arranged on the lower surface of the connecting plate, and the lower surface of the sealing ring is in lap joint with the upper surface of the sealing threaded cap.
Preferably, the filtering device comprises a filter cover, the lower surface of the filter cover is fixedly connected with the upper surface of the supporting plate, and a rotating rod is arranged in the filter cover.
Preferably, the outer surface of the pressure difference alarm body is provided with an external thread, and the outer surface of the external thread is in threaded connection with the sealing threaded cap.
Preferably, the outer surface of the supporting plate is provided with threads, and the lower surface of the inner wall of the sealing threaded cap is arc-shaped.
(III) advantageous effects
The beneficial effects of the utility model reside in that:
1. the pressure difference alarm with the dustproof function comprises a pressure difference alarm body, a filter cover, a connecting plate, a rotating rod, a sealing threaded cap, a connecting pipe and a supporting plate, wherein when a worker installs the filter cover in the pressure difference alarm body, gas can enter the sealing threaded cap and the pressure difference alarm body through the connecting pipe, the filter cover can effectively filter the gas and block dust and impurities in the filter cover, so that the pressure difference alarm body can effectively detect the gas, the dust and the impurities cannot enter the pressure difference alarm body, the internal mechanism of the pressure difference alarm body cannot be injured, the blockage of a detection port in the pressure difference alarm body cannot be caused, the accuracy of data detection of the pressure difference alarm body is improved, and the whole filter cover can realize ventilation due to the cylindrical shape and certain height of the filter cover, the whole filter cover can not be blocked by dust and impurities, and frequent cleaning by workers is not needed.
2. This pressure differential alarm with dustproof function, through setting up sealed screw cap, pressure differential alarm body, the sealing washer, the bull stick, backup pad and filter mantle, when the filter mantle is pulled down to needs, staff's reversal sealed screw cap for sealed screw cap moves down and breaks away from pressure differential alarm body, the bull stick that reverses again, make the bull stick drive filter mantle and backup pad move down and break away from pressure differential alarm body, can pull down the filter mantle, conveniently clear up or change the filter mantle.
3. This pressure differential alarm with dustproof function, through setting up the delivery pipe, the valve, sealed screw cap, the bull stick, the connecting plate, sealing washer and pressure differential alarm body, when dust and impurity in the sealed screw cap of needs discharge, the staff can open the valve, bottom sets up to the arcuation in the sealed screw cap, make some dust and impurity effectual discharge from the delivery pipe, and do not need sealed screw cap of split and pressure differential alarm body, make things convenient for the staff to operate, because of being provided with the sealing washer, when staff corotation seals the screw cap, make sealed screw cap rebound and with sealing washer in close contact with, make the effectual sealed effect that has played of sealing washer, gas leakage phenomenon can not appear, the accuracy of pressure differential alarm body detected data has further been improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic view of the filter cover of the present invention viewed from the bottom.
In the figure: 1, a pressure difference alarm body, 2 sealing threaded caps, 3 discharging devices, 31 discharging pipes, 32 valves, 4 connecting pipes, 5 external threads, 6 sealing devices, 61 sealing rings, 62 connecting plates, 7 filtering devices, 71 filtering covers, 72 rotating rods, 8 supporting plates and 9 internal threads.
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.
As shown in fig. 1-3, the utility model provides a technical solution: a pressure difference alarm with a dustproof function comprises a pressure difference alarm body 1, a sealing threaded cap 2 is arranged on the outer surface of the pressure difference alarm body 1, an external thread 5 is arranged on the outer surface of the pressure difference alarm body 1, the outer surface of the external thread 5 is in threaded connection with the sealing threaded cap 2, and through the arrangement of a valve 32, when dust and impurities in the sealing screw cap 2 need to be discharged, a worker can open the valve 32, and as the bottom in the sealing screw cap 2 is arranged in an arc shape, some dust and impurities are effectively discharged from the discharge pipe 31, and do not need split sealed screw cap 2 and pressure difference alarm body 1, make things convenient for the staff to operate, the lower surface of sealed screw cap 2 is linked together with two discharging equipment 3's top, and discharging equipment 3 includes discharge pipe 31, and the top of discharge pipe 31 is linked together with the lower surface of sealed screw cap 2, and the front of discharge pipe 31 is provided with valve 32.
The lower surface of the sealing threaded cap 2 is connected with the connecting pipe 4 in a clamping manner, the upper surface of the sealing threaded cap 2 is in lap joint with the lower surface of the sealing device 6, the sealing device 6 comprises a connecting plate 62, the inner surface of the connecting plate 62 is fixedly connected with the outer surface of the pressure difference alarm instrument body 1, the lower surface of the connecting plate 62 is provided with a sealing ring 61, the lower surface of the sealing ring 61 is in lap joint with the upper surface of the sealing threaded cap 2, due to the arrangement of the sealing ring 61, when a worker positively rotates the sealing threaded cap 2, the sealing threaded cap 2 moves upwards and is in tight contact with the sealing ring 61, the sealing ring 61 effectively plays a sealing role, the air leakage phenomenon is avoided, the accuracy of data detection of the pressure difference alarm instrument body 1 is further improved, the inner surface of the sealing device 6 is fixedly connected with the outer surface of the pressure difference alarm instrument body 1, through setting up bull stick 72 and sealed screw cap 2, when filter bowl 71 is pulled down to needs, staff's reversal sealed screw cap 2 for sealed screw cap 2 downstream and break away from pressure differential alarm appearance body 1, the bull stick 72 that reverses again, make bull stick 72 drive filter bowl 71 and backup pad 8 downstream and break away from pressure differential alarm appearance body 1, can pull down filter bowl 71, conveniently clear up or change filter bowl 71, be provided with filter equipment 7 in the pressure differential alarm appearance body 1.
The lower surface of the filtering device 7 is fixedly connected with the upper surface of the supporting plate 8, and because the shape of the filter cover 71 is cylindrical, and has a certain height, the whole filter cover 71 can realize ventilation, so that dust and impurities can not block the whole filter cover 71 and do not need frequent cleaning by workers, the filter device 7 comprises the filter cover 71, the lower surface of the filter cover 71 is fixedly connected with the upper surface of the support plate 8, the rotating rod 72 is arranged in the filter cover 71, and due to the arrangement of the filter cover 71, so that the filter cover 71 can effectively filter the gas, the dust and the impurities are blocked in the filter cover 71, make pressure differential alarm appearance body 1 effectual detect gas, dust and impurity can not enter into pressure differential alarm appearance body 1 in, can not cause the injury to 1 internal mechanism of pressure differential alarm appearance body, the surface of backup pad 8 and the internal surface threaded connection of internal thread 9, internal thread 9 sets up in pressure differential alarm appearance body 1.
The utility model discloses an operating procedure does:
s1, when the filter cover 71 is installed in the pressure difference alarm instrument body 1 by a worker, gas can enter the sealing threaded cap 2 and the pressure difference alarm instrument body 1 through the connecting pipe 4, and due to the arrangement of the filter cover 71, the filter cover 71 can effectively filter the gas, dust and impurities are blocked in the filter cover 71, and the pressure difference alarm instrument body 1 can effectively detect the gas;
s2, when the filter cover 71 needs to be detached, a worker rotates the sealing threaded cap 2 reversely, so that the sealing threaded cap 2 moves downwards and is separated from the pressure difference alarm instrument body 1, and rotates the rotating rod 72 reversely, so that the rotating rod 72 drives the filter cover 71 and the support plate 8 to move downwards and is separated from the pressure difference alarm instrument body 1, and the filter cover 71 can be detached;
s3, when the dust and the impurities in the sealing screw cap 2 need to be discharged, the staff can open the valve 32, and the bottom in the sealing screw cap 2 is arranged in an arc shape, so that some dust and impurities can be effectively discharged from the discharge pipe 31.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a pressure differential alarm with dustproof function, includes pressure differential alarm body (1), its characterized in that: the outer surface of the pressure difference alarm instrument body (1) is provided with a sealing threaded cap (2), and the lower surface of the sealing threaded cap (2) is communicated with the top ends of the two discharge devices (3);
the lower surface of the sealing threaded cap (2) is clamped with a connecting pipe (4), the upper surface of the sealing threaded cap (2) is in lap joint with the lower surface of a sealing device (6), the inner surface of the sealing device (6) is fixedly connected with the outer surface of the pressure difference alarm instrument body (1), and a filtering device (7) is arranged in the pressure difference alarm instrument body (1);
the lower surface of the filtering device (7) is fixedly connected with the upper surface of the supporting plate (8), the outer surface of the supporting plate (8) is in threaded connection with the inner surface of the internal thread (9), and the internal thread (9) is arranged in the pressure difference alarm body (1).
2. The differential pressure alarm instrument with the dustproof function according to claim 1, characterized in that: the discharge device (3) comprises a discharge pipe (31), the top end of the discharge pipe (31) is communicated with the lower surface of the sealing threaded cap (2), and a valve (32) is arranged on the front surface of the discharge pipe (31).
3. The differential pressure alarm instrument with the dustproof function according to claim 1, characterized in that: sealing device (6) is including connecting plate (62), the internal surface of connecting plate (62) is connected with the surface fixed connection of pressure differential alarm body (1), the lower surface of connecting plate (62) is provided with sealing washer (61), the lower surface of sealing washer (61) and the upper surface overlap joint of sealed screw cap (2).
4. The differential pressure alarm instrument with the dustproof function according to claim 1, characterized in that: the filtering device (7) comprises a filter cover (71), the lower surface of the filter cover (71) is fixedly connected with the upper surface of the supporting plate (8), and a rotating rod (72) is arranged in the filter cover (71).
5. The differential pressure alarm instrument with the dustproof function according to claim 1, characterized in that: the outer surface of the pressure difference alarm instrument body (1) is provided with an external thread (5), and the outer surface of the external thread (5) is in threaded connection with the sealing threaded cap (2).
6. The differential pressure alarm instrument with the dustproof function according to claim 1, characterized in that: the outer surface of the supporting plate (8) is provided with threads, and the lower surface of the inner wall of the sealing threaded cap (2) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676340.4U CN209841265U (en) | 2019-05-13 | 2019-05-13 | Pressure difference alarm with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676340.4U CN209841265U (en) | 2019-05-13 | 2019-05-13 | Pressure difference alarm with dustproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841265U true CN209841265U (en) | 2019-12-24 |
Family
ID=68897065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920676340.4U Expired - Fee Related CN209841265U (en) | 2019-05-13 | 2019-05-13 | Pressure difference alarm with dustproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841265U (en) |
-
2019
- 2019-05-13 CN CN201920676340.4U patent/CN209841265U/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: 20191224 Termination date: 20210513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |