CN218295308U - Vacuum breaking valve with high air inlet efficiency - Google Patents
Vacuum breaking valve with high air inlet efficiency Download PDFInfo
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- CN218295308U CN218295308U CN202222759885.6U CN202222759885U CN218295308U CN 218295308 U CN218295308 U CN 218295308U CN 202222759885 U CN202222759885 U CN 202222759885U CN 218295308 U CN218295308 U CN 218295308U
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- valve body
- valve
- air inlet
- fixedly connected
- vacuum
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- 241000883990 Flabellum Species 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides an efficient broken vacuum valve admits air relates to broken vacuum valve technical field, which comprises a valve body, the inside broken vacuum structure that is provided with in top of valve body, the inlet port has been seted up to one side of valve body, the valve body is located the top fixedly connected with cowl of inlet port, the below that the valve body is located the inlet port is provided with the water conservancy diversion structure, the valve body is located the lower inner wall fixedly connected with limiting plate of inlet port, and this mechanical structure passes through the design of water conservancy diversion structure, can be when valve body and broken vacuum structure are to the inside input air of pipeline or storage tank, the inflow velocity of air with higher speed, the inside quick recovery malleation of pipeline or storage tank of being convenient for, structural design is simple, does benefit to the use operation.
Description
Technical Field
The utility model relates to a broken vacuum valve technical field especially relates to an efficient broken vacuum valve admits air.
Background
Vacuum breaker valves are commonly referred to as vacuum breakers. The vacuum breaker is a device capable of breaking vacuum caused by condensation, and is mainly applied to containers or pipelines. Under normal working conditions, the stainless steel ball of the vacuum breaker is seated on the valve seat, after vacuum occurs, the small steel ball leaves the valve seat, and outside air enters the system.
The existing vacuum breaking valve is as follows:
the comparison document CN212960865U discloses a vacuum breaking valve, and the application discloses a vacuum breaking valve which comprises a valve body, a valve core and a valve cover; the valve body is arranged on the air distributing cylinder, and an upper cavity and a first channel which are distributed from top to bottom and are communicated with each other are arranged in the valve body; the first channel is communicated with the interior of the branch cylinder; the valve cover is sleeved at the top of the valve body, and a second channel for communicating the outside with the upper cavity is arranged on the top surface; the valve core is limited in the horizontal direction, can be movably arranged between the first channel and the second channel in the vertical direction, and can completely cover and seal the second channel under the external force state; the valve core is arranged on the first channel in a static way under the state of not bearing external force, and at the moment, the upper cavity is communicated with the interior of the gas-distributing cylinder. This application is through setting up the case that can vertically move about in the valve body, and the second passageway is sealed in the activity up when receiving steam impulsive force, reaches sealed effect. After the steam supply is stopped, the valve core falls back to the first channel, at the moment, the upper cavity and the interior of the steam distributing cylinder are still in a communicated state, the vacuum negative pressure formed in the steam distributing cylinder is avoided, and therefore the condensed water in the cylinder can be discharged smoothly. "
However, in the above technical scheme, the air is delivered only through the upper cavity to eliminate the vacuum state in the pipeline or the storage tank, and since the air flow rate is limited, a certain time is required to offset the vacuum state in an air self-flowing manner, so that the time is delayed, and the defects exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, only realize the transport of air through the epicoele to eliminate vacuum state in pipeline or the storage tank, because air flow rate is limited, consequently, offset vacuum state through the mode that the air is from flowing and need certain time, comparatively delay time, there is the defect.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an efficient broken vacuum valve admits air, includes the valve body, the inside broken vacuum structure that is provided with in top of valve body, the inlet port has been seted up to one side of valve body, the valve body is located the top fixedly connected with cowl of inlet port, the below that the valve body is located the inlet port is provided with the water conservancy diversion structure, the valve body is located the lower inner wall fixedly connected with limiting plate of inlet port.
As a preferred embodiment, the vacuum breaking structure includes a floating ball, the floating ball is movably contacted with the limiting plate, and a connecting rod is fixedly connected to the outer surface of the bottom end of the floating ball.
The technical effect of adopting the further scheme is as follows: the design of the flow guide structure can accelerate the inflow speed of air when the valve body and the vacuum breaking structure input air into the pipeline or the storage tank.
In a preferred embodiment, a valve flap is fixedly connected to the bottom end of the connecting rod, and the valve flap is movably contacted with the valve body.
The technical effect of adopting the further scheme is as follows: when the valve clack rises to a certain height, the valve clack can be in movable contact with the inner wall of the valve body, and the joint of the valve clack and the valve body is in movable sealing connection through a sealing piece, so that gas in the pipeline can not flow out of the valve body.
In a preferred embodiment, the flow guiding structure includes a supporting plate, and the supporting plate is fixedly connected with the outer surface of the valve body.
The technical effect of adopting the further scheme is as follows: the supporting plate is arranged outside the valve body and provides a space for installing the components in the flow guide structure.
In a preferred embodiment, a mounting frame is fixedly connected to the outer side of the bottom end of the supporting plate, and a motor is mounted in the mounting frame.
The technical effect of adopting the further scheme is as follows: the motor is electrically connected with the external power supply through a lead, so that a power source is provided for the components.
As a preferred embodiment, the output shaft of the motor is fixedly connected with a connecting shaft, the connecting shaft penetrates through the supporting plate, and fan blades are mounted on the outer surface of the connecting shaft.
The technical effect of adopting the further scheme is as follows: the fan blades are driven by the motor to promote a small range of air flow acceleration around the fan blades.
Compared with the prior art, the utility model has the advantages and positive effects that,
the utility model discloses in, this mechanical structure passes through the design of water conservancy diversion structure, can be when the valve body with broken vacuum structure to pipeline or the inside input air of storage tank, the inflow speed of air with higher speed, be convenient for pipeline or the inside quick recovery malleation of storage tank, in case when resumeing the malleation, the valve clack rises can with valve body inner wall movable contact when a take the altitude, both junctions pass through the sealing member and realize the movable seal connection, thereby ensure that the pipeline internal gas can not circulate out the valve body outside, realize that the self-closing resumes sealedly, structural design is simple, do benefit to the use operation.
Drawings
Fig. 1 is a schematic structural view of a vacuum breaking valve with high air intake efficiency provided by the present invention;
fig. 2 is a schematic view of an air inlet structure of a vacuum breaking valve with high air inlet efficiency provided by the present invention;
fig. 3 is a schematic sectional view of a valve body structure of a vacuum breaking valve with high air intake efficiency provided by the present invention;
fig. 4 is the utility model provides a water conservancy diversion structure sketch map of the efficient broken vacuum valve that admits air.
Illustration of the drawings:
1. a valve body; 2. breaking the vacuum structure; 3. an arc-shaped baffle plate; 4. a flow guide structure; 5. a limiting plate; 6. an air inlet;
21. a floating ball; 22. a connecting rod; 23. a valve flap;
41. a support plate; 42. installing a frame; 43. a connecting shaft; 44. a motor; 45. a fan blade.
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.
Examples
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a vacuum breaking valve with high air inlet efficiency comprises a valve body 1, a vacuum breaking structure 2 is arranged inside the top end of the valve body 1, an air inlet 6 is formed in one side of the valve body 1, an arc baffle 3 is fixedly connected above the air inlet 6 of the valve body 1, a flow guide structure 4 is arranged below the air inlet 6 of the valve body 1, and a limiting plate 5 is fixedly connected to the lower inner wall of the air inlet 6 of the valve body 1. Concretely, when the vacuum breaking valve is used, the valve body 1 and components thereof are required to be installed at the highest point of a pipeline or a storage tank, flange connection is adopted, once the pipeline or the storage tank is in a critical vacuum state, the pressure difference between internal vacuum and external air causes a valve clack 23 to be subjected to downward force, when the valve clack 23 moves downward, a connecting rod 22 and a floating ball 21 are linked to synchronously move, at the moment, the floating ball 21 can contact with the limiting plate 5 in the downward moving process, and the situation that the floating ball 21 excessively sinks to block the valve body 1 is avoided, the process is to allow external air to freely flow into a pipeline or a storage tank through the air inlet 6 to eliminate vacuum, the air can start the motor 44 before entering the valve body 1 through the air inlet 6, the motor 44 drives the fan blades 45 to rotate, the fan blades 45 stir the air outside the air inlet 6 to accelerate the flow of the air, the existence of the arc-shaped baffle 3 can form a guiding effect on the air, so that the air can be accelerated to enter the interior of the valve body 1 under the driving of the flow guide structure 4, once the positive pressure is recovered in the valve body 1, the vacuum breaking structure 2 can automatically rise to the initial position to recover the sealing state, through the technical scheme, the problem that the air conveying is realized only through the upper cavity to eliminate the vacuum state in the pipeline or the storage tank is solved, and because the air flow rate is limited, the vacuum state needs a certain time to be counteracted in a self-flowing mode of the air, and the time is delayed is solved, the aim of accelerating the inflow speed of air and rapidly recovering the positive pressure in the pipeline or the storage tank is fulfilled.
Further, as shown in FIGS. 1-3: still include broken vacuum structure 2 and include floater 21, floater 21 contacts with the 5 activity of limiting plate, the bottom surface fixed connection of floater 21 has connecting rod 22, connecting rod 22's bottom fixedly connected with valve clack 23, valve clack 23 contacts with the activity of valve body 1 and connects, valve clack 23 receives decurrent power, when valve clack 23 moves down, can link connecting rod 22 and floater 21 synchronous displacement, and valve clack 23 can contact with the activity of 1 inner wall of valve body when rising to a take the altitude again, both junctions realize movable sealing connection through the sealing member, thereby ensure that the interior gas of pipeline can not flow out valve body 1 outside, this technical scheme's advantage is that allow outside air freely to flow in pipeline or storage tank in order to eliminate the vacuum, resume the malleation.
The above solution also has the problem of low air intake efficiency of the vacuum breaker, as shown in fig. 1, fig. 2 and fig. 4: the water conservancy diversion structure 4 includes the backup pad 41 in this scheme, and backup pad 41 is connected with the surface fixed of valve body 1, and the bottom outside fixedly connected with installing frame 42 of backup pad 41, the internally mounted of installing frame 42 has motor 44, and motor 44's output shaft fixedly connected with connecting axle 43, connecting axle 43 run through the backup pad 41 setting, and the surface mounting of connecting axle 43 has flabellum 45. The motor 44 is electrically connected with an external power supply through a lead, so that a power source is provided for the components, and the fan blades 45 are driven by the motor 44 to accelerate the air flow in a small range at the periphery of the fan blades, so that the aggravation of the air flow rate can be realized, and the purpose of improving the air inlet efficiency of the vacuum breaking valve can be achieved.
The working principle is as follows:
as shown in fig. 1, 2, 3 and 4, when in use, the valve body 1 and its components are mounted at the highest point of the pipeline or the storage tank, and flange connection is adopted, once the pipeline or the storage tank is in a critical vacuum state, the pressure difference between the internal vacuum and the external air causes the valve flap 23 to be forced downwards, when the valve flap 23 moves downwards, the linkage connecting rod 22 and the floating ball 21 are synchronously displaced, at this time, the floating ball 21 contacts the limiting plate 5 in the downward moving process, so as to prevent the floating ball 21 from excessively sinking to block the valve body 1, in this process, the external air is allowed to freely flow into the pipeline or the storage tank through the air inlet 6 to eliminate vacuum, before entering the valve body 1 through the air inlet 6, the motor 44 can be started, the motor 44 drives the fan blades 45 to rotate, the fan blades 45 stir the air outside the air in the air inlet 6, so as to accelerate the flow of the air, the presence of the arc-shaped baffle 3 can form a guiding effect on the air, so that the air can be accelerated into the interior of the valve body 1 under the driving of the guiding structure 4, once the positive pressure is restored, the vacuum structure 2 can automatically ascends to return to the initial position, and restore the sealed state.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a broken vacuum valve that intake efficiency is high, includes valve body (1), its characterized in that: the vacuum breaking structure is arranged inside the top end of the valve body (1), the air inlet hole (6) is formed in one side of the valve body (1), the valve body (1) is located on an arc-shaped baffle (3) fixedly connected to the upper portion of the air inlet hole (6), the flow guide structure (4) is arranged below the air inlet hole (6) in the valve body (1), and the valve body (1) is located on a limiting plate (5) fixedly connected to the lower inner wall of the air inlet hole (6).
2. The vacuum breaking valve with high air inlet efficiency as claimed in claim 1, wherein: the vacuum breaking structure (2) comprises a floating ball (21), the floating ball (21) is movably contacted with the limiting plate (5), and the outer surface of the bottom end of the floating ball (21) is fixedly connected with a connecting rod (22).
3. The vacuum breaking valve with high air inlet efficiency as claimed in claim 2, characterized in that: the bottom end of the connecting rod (22) is fixedly connected with a valve clack (23), and the valve clack (23) is movably contacted with the valve body (1).
4. The vacuum breaking valve with high air inlet efficiency as claimed in claim 1, characterized in that: the flow guide structure (4) comprises a supporting plate (41), and the supporting plate (41) is fixedly connected with the outer surface of the valve body (1).
5. The vacuum breaking valve with high air inlet efficiency as claimed in claim 4, wherein: the bottom outside fixedly connected with installing frame (42) of backup pad (41), the internally mounted of installing frame (42) has motor (44).
6. The vacuum breaking valve with high air inlet efficiency as claimed in claim 5, wherein: the output shaft fixedly connected with connecting axle (43) of motor (44), connecting axle (43) run through backup pad (41) and set up, the surface mounting of connecting axle (43) has flabellum (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759885.6U CN218295308U (en) | 2022-10-20 | 2022-10-20 | Vacuum breaking valve with high air inlet efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759885.6U CN218295308U (en) | 2022-10-20 | 2022-10-20 | Vacuum breaking valve with high air inlet efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218295308U true CN218295308U (en) | 2023-01-13 |
Family
ID=84808208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222759885.6U Expired - Fee Related CN218295308U (en) | 2022-10-20 | 2022-10-20 | Vacuum breaking valve with high air inlet efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218295308U (en) |
-
2022
- 2022-10-20 CN CN202222759885.6U patent/CN218295308U/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: 20230113 |