CN216309308U - Manometer protection architecture and manometer - Google Patents
Manometer protection architecture and manometer Download PDFInfo
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- CN216309308U CN216309308U CN202121846057.5U CN202121846057U CN216309308U CN 216309308 U CN216309308 U CN 216309308U CN 202121846057 U CN202121846057 U CN 202121846057U CN 216309308 U CN216309308 U CN 216309308U
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Abstract
The utility model relates to a pressure gauge, in particular to a pressure gauge protection structure and a pressure gauge comprising a gauge stand, wherein the gauge stand is provided with a fluid channel, a one-way protection structure is arranged in the fluid channel, the one-way protection structure comprises a main body, at least one-way protection unit is arranged in the main body, the one-way protection unit comprises a main channel, and a first branch channel and a second branch channel which respectively and independently extend from the end part of the main channel, the first branch channel is arc-shaped, the end parts of the first branch channel and the second branch channel are communicated, and at least part of water flow at the tail end of the first branch channel is crossed with the water flow direction at the tail end of the second branch channel. The working principle of the utility model is as follows: water flow enters from the main channel and then is shunted to the first branch channel and the second branch channel, the first branch channel and the second branch channel are communicated at the tail end, fluid of the first branch channel has the effects of blocking and slowing down fluid of the second branch channel, pulse impact of the fluid on internal parts of the pressure gauge is reduced, and the structure of the pressure gauge is protected.
Description
Technical Field
The utility model relates to a pressure gauge, in particular to a pressure gauge protection structure and a pressure gauge.
Background
In the prior art, when the pressure gauge works, pressure fluid can directly flow into the pressure gauge through the pressure gauge hole, so that parts in the pressure gauge are continuously impacted by the pressure of the fluid, and finally, the service life of internal parts is easily shortened. In addition, possible impurities in the fluid enter the pressure gauge, so that the pressure pointer fails to rotate, and the pressure gauge is corroded, cracked, leaked and the like in severe cases.
Publication number CN202020160195.7, the chinese utility model patent of 10 month 09 days in 2020 of public date discloses a manometer protection device, including dial plate and gauge stand, the gauge stand is equipped with the manometer hole that is used for making the air inflow, be equipped with in the manometer hole and be used for adjusting the plugging device in the clearance in manometer hole, plugging device is waterproof material spare, plugging device be with manometer hole size matched with cylinder shaft-like device, manometer downthehole wall is equipped with the internal thread, the plugging device outer wall be equipped with internal thread size matched with external screw thread. When the pressure gauge works, pressure fluid can permeate into the pressure gauge through the gap, and then the reserved air can be compressed, and the pressure pointer is driven to rotate so as to display a pressure value. Therefore, the direct contact between the pressure fluid and the working parts inside the pressure gauge can be effectively avoided, the impact pressure borne by the internal parts can be reduced, and the service life of the pressure gauge can be effectively prolonged finally. It still has the following disadvantages: the sensitivity of the pressure gauge is affected by sacrificing the gap of the fluid inlet of the pressure gauge, and in addition, although the gap is small in flow channel to resist fluid impact, the gap is still inevitably blocked by fluid impurities.
In summary, how to provide a device capable of effectively protecting internal parts of a pressure gauge is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a device for effectively protecting internal parts of a pressure gauge, and particularly provides a pressure gauge protection device and a pressure gauge.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a manometer protection device, includes the gauge stand, the gauge stand is equipped with fluid passage, be equipped with one-way protection architecture in the fluid passage, one-way protection architecture includes the main part, is equipped with at least one-way protection unit in the main part, one-way protection unit includes the main entrance and independently the first passageway and the second that extend respectively of passageway tip constitute, and first passageway is the arc, and the tip intercommunication of first, two passageways, and the terminal rivers of first passageway have at least partly alternately with the terminal rivers direction of second passageway.
The working principle of the utility model is as follows: water flow enters from the main channel and then is shunted to the first branch channel and the second branch channel, the first branch channel and the second branch channel are communicated at the tail end, fluid of the first branch channel has the effects of blocking and slowing down fluid of the second branch channel, pulse impact of the fluid on internal parts of the pressure gauge is reduced, and the structure of the pressure gauge is protected.
Preferably, the main body is internally provided with at least two unidirectional protection units which are connected end to end, and the first branch channels of the unidirectional protection units are arranged on two sides of the communicated second branch channels in a staggered manner.
Under this preferred embodiment: the water flow enters from the main channel of the first one-way protection unit and then is divided into the first branch channel and the second branch channel, the first branch channel and the second branch channel are communicated at the tail end, the fluid of the first branch channel plays a role in blocking and slowing down the fluid of the second branch channel, the slowed fluid enters the main channel of the second one-way protection unit again, the movement mode of the previous one-way protection unit is repeated, then the flow rate of the fluid is blocked and slowed down again, and the like. The design of a plurality of one-way protection units realizes the effects of multi-stage blocking and retarding, and greatly lightens the impulse impact of fluid.
Preferably, the main channel, the first branch channel and the second branch channel are located on the same plane.
Preferably, the two unidirectional protection units are located on the same plane.
Preferably, a blocking part is arranged on the inner side of the tail end of the first branch channel and used for changing the flow direction of water flow in the first branch channel.
Preferably, the unidirectional protection structure is made of inert materials or at least the inner surface of the unidirectional protection structure is provided with an inert material coating.
Preferably, the one-way protection unit adopts a Tesla one-way flow limiting valve.
The utility model also protects the pressure gauge with the pressure gauge protection device.
The utility model has the beneficial effects that: the utility model has reasonable structural design, convenient use and good reliability, can slow down the pulse impact on the pressure gauge, furthest reserve the clearance of the fluid channel and does not influence the sensitivity of the pressure gauge. And the flow channel of the fluid from the inside to the outside is smooth and low-resistance, so that impurities are not easy to block, and the long-term use of the pressure gauge is not influenced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic structural view of the present invention
In the figure: gauge stand, 2, fluid passage, 3, one-way protection structure, 31, main part, 32, main passage, 33, first branch passage, 34, second branch passage, 35, blocking part.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
Example (b):
the pressure gauge protection device shown in fig. 1-5 comprises a gauge stand 1, wherein the gauge stand 1 is provided with a fluid channel 2, a one-way protection structure 3 is arranged in the fluid channel 2, the one-way protection structure 3 comprises a main body 31, at least one-way protection unit is arranged in the main body 31, the one-way protection unit comprises a main channel 32 and a first branch channel 33 and a second branch channel 34 which independently extend from the end part of the main channel 32 respectively, the first branch channel 33 is arc-shaped, the end parts of the first branch channel and the second branch channel are communicated, and at least part of water flow at the tail end of the first branch channel 33 is crossed with the water flow direction at the tail end of the second branch channel 34.
The working principle of the utility model is as follows: the water flow enters from the main channel 32 and then is divided into the first branch channel 33 and the second branch channel 34, the first branch channel and the second branch channel are communicated at the tail ends, the fluid of the first branch channel 33 plays a role in blocking and slowing down the fluid of the second branch channel 34, the pulse impact of the fluid on internal parts of the pressure gauge is reduced, and the structure of the pressure gauge is protected.
Specifically, at least two unidirectional protection units are arranged in the main body 31, the two unidirectional protection units are connected end to end, and the first branch channels 33 of the unidirectional protection units are arranged on two sides of the communicated second branch channels 34 in a staggered mode.
Under this preferred embodiment: the water flow enters from the main channel 32 of the first one-way protection unit and then is divided into the first branch channel 33 and the second branch channel 34, at the tail end, the first branch channel and the second branch channel are communicated, the fluid of the first branch channel 33 plays a role in blocking and slowing down the fluid of the second branch channel 34, the slowed fluid enters the main channel 32 of the second one-way protection unit again, the movement mode of the previous one-way protection unit is repeated, then the flow rate of the fluid is blocked and slowed down again, and the like. The design of a plurality of one-way protection units realizes the effects of multi-stage blocking and retarding, and greatly lightens the impulse impact of fluid.
In this embodiment, the main channel 32, the first branch channel 33 and the second branch channel 34 are located on the same plane, the two unidirectional protection units are located on the same plane, and a blocking portion 35 is disposed on the inner side of the end of the first branch channel 33 and used for changing the flow direction of the water flow in the first branch channel 33.
In this embodiment, the one-way protection structure is made of an inert material, such as a stainless steel material or a silica gel material, or at least an inner surface of the one-way protection structure is provided with an inert material coating, such as a waterproof coating, an antirust coating, and the like.
Specifically, the unidirectional protection unit adopts a Tesla unidirectional flow limiting valve.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.
Claims (8)
1. The utility model provides a pressure gauge protection architecture, includes gauge stand (1), gauge stand (1) is equipped with fluid passage (2), its characterized in that, be equipped with one-way protection architecture in fluid passage (2), one-way protection architecture includes main part (31), is equipped with at least one-way protection unit in main part (31), one-way protection unit includes main entrance (32) and independently constitutes from first passageway (33) and second passageway (34) that passageway (32) tip separately extended, and first passageway (33) are the arc, and first, the tip intercommunication of two passageways, and the terminal fluid of first passageway (33) has at least part to intersect with the terminal fluid direction of second passageway (34).
2. The pressure gauge protection structure of claim 1, wherein at least two unidirectional protection units are arranged in the main body (31), the two unidirectional protection units are connected end to end, and the first branch channels (33) of the unidirectional protection units are arranged at two sides of the second branch channels (34) in a staggered manner.
3. Pressure gauge protection structure according to claim 1 or 2, characterized in that said main channel (32), first branch channel (33) and second branch channel (34) are located on the same plane.
4. The pressure gauge protection structure of claim 2, wherein the two unidirectional protection units are located on the same plane.
5. A pressure gauge protection arrangement according to claim 1 or 2, characterized in that the first branch channel (33) is provided with a stop (35) inside the end for changing the direction of flow of the fluid in the first branch channel (33).
6. A pressure gauge protection structure according to claim 1 or 2, characterized in that the one-way protection structure is made of inert material or at least the inner surface is provided with a coating of inert material.
7. The pressure gauge protection structure of claim 1 or 2, wherein the one-way protection unit adopts a Tesla one-way flow limiting valve.
8. A pressure gauge, characterized in that a pressure gauge protection structure according to any one of claims 1-6 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846057.5U CN216309308U (en) | 2021-08-09 | 2021-08-09 | Manometer protection architecture and manometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846057.5U CN216309308U (en) | 2021-08-09 | 2021-08-09 | Manometer protection architecture and manometer |
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| Publication Number | Publication Date |
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| CN216309308U true CN216309308U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121846057.5U Active CN216309308U (en) | 2021-08-09 | 2021-08-09 | Manometer protection architecture and manometer |
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| CN (1) | CN216309308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165201A (en) * | 2022-06-17 | 2022-10-11 | 青岛科奥仪表制造有限公司 | Anti-seismic pulse pressure-resistant safety pressure gauge |
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2021
- 2021-08-09 CN CN202121846057.5U patent/CN216309308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165201A (en) * | 2022-06-17 | 2022-10-11 | 青岛科奥仪表制造有限公司 | Anti-seismic pulse pressure-resistant safety pressure gauge |
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