CN213598592U - Power type micro air valve - Google Patents
Power type micro air valve Download PDFInfo
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- CN213598592U CN213598592U CN202020570136.7U CN202020570136U CN213598592U CN 213598592 U CN213598592 U CN 213598592U CN 202020570136 U CN202020570136 U CN 202020570136U CN 213598592 U CN213598592 U CN 213598592U
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- exhaust valve
- powered
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Abstract
The utility model discloses a powered micro air valve, which comprises a valve body, the float sets up in the valve body, the float top is equipped with valve pocket exhaust valve rod and passes through the valve clack and connect the float, exhaust valve rod one side is equipped with the guide bracket, the exhaust valve seat is installed to the guide bracket top, the valve gap is installed on the exhaust valve seat through the bolt fastening's of one side, valve gap one side is equipped with O type ring one, the opposite side is equipped with O type ring two, the exhaust valve rod is connected through the piston seat to the power cavity room, one side of power cavity is equipped with sealed the pad, the fastening mode that the exhaust cap passes through nut and exhaust control screw is. Compared with the prior art, the utility model the advantage lie in: simple and exquisite structure, no wearing parts, beautiful and elegant appearance and long service life.
Description
Technical Field
The utility model relates to the field of pipelines, specifically indicate a powered micro air valve.
Background
The air valve is a special valve for preventing the pressure reducing wave in the transient process from generating negative pressure in the pipe, and is usually installed in the transient flow process with low dynamic water pressure when the pipe normally runs, and can generate the high point position of liquid column separation, when the pressure in the pipe is lower than the atmospheric pressure, the air is sucked in, and when the pressure in the pipe is raised to be higher than the atmospheric pressure, the air is discharged, and during the exhaust process, when the liquid in the pipe is full of the pipe, the valve can be automatically closed, and the liquid is not allowed to be discharged into the atmosphere.
At present, in high flow rate pipelines, a large amount of air dissolved in water cannot be discharged by common micro exhaust valves because no matter the common micro exhaust valves or some composite exhaust valves are provided, micro exhaust holes are all 2-6 mm, and the micro exhaust requirements under high pressure cannot be met at all in the exhaust holes with the sizes of some high flow rate pipelines.
Therefore, it is imperative to design a dynamic micro air valve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is in the present high velocity of flow pipeline, ordinary micro exhaust valve exhaust hole specification is 2 ~ 6mm, can't satisfy under the high pressure micro exhaust requirement, leads to exhaust valve exhaust efficiency low, extension operating time, aggravates the problem appearance of work load.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a powered micro-air valve, which comprises a valve body, the float sets up in the valve body, the float top is equipped with valve pocket exhaust valve rod and passes through the valve clack and connect the float, exhaust valve rod one side is equipped with the guide bracket, the exhaust valve seat is installed to the guide bracket top, the valve gap is installed on the exhaust valve seat through the bolt fastening's of one side, valve gap one side is equipped with O type ring one, the opposite side is equipped with O type ring two, the power cavity passes through the piston seat and connects the exhaust valve rod, one side of power cavity is equipped with sealed the pad, the fastening mode that the exhaust cap passes through nut.
Compared with the prior art, the utility model the advantage lie in: the air enters the power cavity through the correlated movement of the floater, the valve clack, the exhaust valve rod and the auxiliary connecting part which are arranged in the valve cavity, a small part of air is exhausted through the exhaust cover cap under the condition that the power cavity is under high pressure, and a large part of air is exhausted through the exhaust valve seat.
As the improvement, a piston sealing ring is arranged above the piston seat, and a piston sealing ring pressing pad is arranged on the piston sealing ring.
As an improvement, an inlet hole with the diameter specification of 3mm is formed in the exhaust valve rod.
As an improvement, the exhaust cap is provided with a small hole with the diameter specification of 1.5 mm.
As an improvement, the main body of the floater is a high molecular polymer or a stainless steel floating ball.
As an improvement, a main exhaust channel with the diameter specification of 13mm is arranged on the guide support, the size specification of the main exhaust channel is not fixed, and the proper specification and size can be selected according to actual conditions.
Drawings
Fig. 1 is a schematic diagram of a powered microvalve.
As shown in the figure: 1. the exhaust valve comprises a valve body, 2, a floater, 3, a valve clack, 4, an exhaust valve rod, 5, a guide support, 6, an exhaust valve seat, 7, a first O-ring, 8, a second O-ring, 9, a valve cover, 10, a bolt, 11, a piston seat, 12, a piston sealing ring, 13, a piston sealing ring pressing pad, 14, a sealing pad, 15, an exhaust cover cap, 16, a nut, 17, an exhaust control screw, 18, an inlet hole, 19, a valve cavity, 20, a power cavity, 21 and a main exhaust channel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses when concrete implementation, a powered micro air valve, including valve body 1, float 2 sets up valve body 1 in, float 2 top be equipped with valve pocket 19, exhaust valve rod 4 passes through valve clack 3 and connects float 2, exhaust valve rod 4 one side be equipped with guide bracket 5, guide bracket 5 top install exhaust valve seat 6, the mode that valve gap 9 is fixed through the bolt 10 of one side is installed exhaust valve seat 6 on, valve gap 9 one side be equipped with O type ring 7, the opposite side is equipped with O type ring two 8, power cavity 20 passes through piston seat 11 and connects exhaust valve rod 4, power cavity 20 one side be equipped with sealed 14, exhaust block 15 installs through nut 16 and exhaust control screw 17's fastening mode power cavity 20 top.
And a piston sealing ring 12 is arranged above the piston seat 11, and a piston sealing ring pressing pad 13 is arranged on the piston sealing ring 12.
An inlet hole 18 with the diameter specification of 3mm is arranged in the exhaust valve rod 4.
The exhaust cap 15 is provided with a small hole with the diameter specification of 1.5 mm.
The main body of the floater 2 is a high molecular polymer or a stainless steel floating ball.
The guide support 5 is provided with a main exhaust passage 21 with the diameter specification of 13mm, the size specification of the main exhaust passage 21 is not fixed, and the proper specification and size can be selected according to the actual situation.
The utility model discloses a theory of operation: when exhausting, because there is no water in the valve cavity, the float and the valve clack descend to the lowest position, the weight of the float is 1.3Kg when the valve clack and the exhaust valve rod are separated from the exhaust valve rod small hole by 3mm, the air enters the power chamber through the inlet hole of the exhaust valve rod, because the sectional area of the power chamber is larger than the area of the sealing position of the exhaust valve seat and the exhaust valve rod, the force generated by the power chamber is larger under the same pressure, and at this moment, part of the air flows out through the small hole of the exhaust cap, the small hole of the exhaust cap is only 1.5mm, the air entering speed is higher than the exhaust speed, the exhaust valve rod 4 is pushed downwards.
When water enters the valve cavity, the floater is floated by the water, the valve clack is in contact sealing with the exhaust valve rod, air in the power cavity is exhausted through the small hole of the exhaust cover cap 15, the exhaust valve rod is driven by the floater to move upwards, finally, the exhaust valve rod is sealed with the exhaust valve seat, and the water cannot flow out.
The exhaust control screw controls the opening area of the small hole in the exhaust cap 15, which controls the opening and closing speed of the main exhaust passage.
The diameter of the main exhaust channel is 13mm, the diameter of the exhaust valve rod in the main exhaust channel is 8mm, the sectional area of the main exhaust channel is equivalent to the area of a circular hole with the diameter of 10.2mm, the size and the specification of the main exhaust channel are not unique, and the main exhaust channel can be enlarged according to the requirements of users.
The utility model discloses can only exhaust fast under the high pressure, it can not inhale according to the design exhaust hole in a large number, and its suction opening only has 1.5 mm.
The valve body is connected with the pressure-bearing pipe, the stainless steel protective sleeve is additionally arranged on the periphery of the pressure-bearing pipe, foaming and heat preservation are filled between the sleeve and the pressure-bearing pipe, the exhaust air door is arranged on the main exhaust passage, air can not flow relatively, the purpose is to protect the internal parts of the exhaust valve from being troubled by low-temperature freezing, and the valve body can still be used in normal production in low-temperature winter.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless a limitation is explicitly stated.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (6)
1. A powered micro air valve comprising a valve body (1), characterized in that: the floater (2) is arranged in the valve body (1), a valve cavity (19) is arranged above the floater (2), the exhaust valve rod (4) is connected with the floater (2) through a valve clack (3), a guide support (5) is arranged on one side of the exhaust valve rod (4), an exhaust valve seat (6) is arranged above the guide support (5), a valve cover (9) is fixedly arranged on the exhaust valve seat (6) through a bolt (10) on one side, one side of the valve cover (9) is provided with a first O-ring (7), the other side is provided with a second O-ring (8), the power chamber (20) is connected with the exhaust valve rod (4) through a piston seat (11), one side of the power chamber (20) is provided with a sealing gasket (14), and an exhaust cover cap (15) is arranged above the power chamber (20) in a fastening mode of a nut (16) and an exhaust control screw (17).
2. A powered microvalve of claim 1, wherein: piston seat (11) top install piston sealing washer (12), piston sealing washer pressure pad (13) set up piston sealing washer (12) on.
3. A powered microvalve of claim 1, wherein: an inlet hole (18) with the diameter specification of 3mm is arranged in the exhaust valve rod (4).
4. A powered microvalve of claim 1, wherein: the exhaust cover cap (15) is provided with a small hole with the diameter specification of 1.5 mm.
5. A powered microvalve of claim 1, wherein: the main body of the floater (2) is a high molecular polymer or a stainless steel floating ball.
6. A powered microvalve of claim 1, wherein: and a main exhaust channel (21) with the diameter specification of 13mm is arranged on the guide bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570136.7U CN213598592U (en) | 2020-04-17 | 2020-04-17 | Power type micro air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570136.7U CN213598592U (en) | 2020-04-17 | 2020-04-17 | Power type micro air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598592U true CN213598592U (en) | 2021-07-02 |
Family
ID=76582432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020570136.7U Active CN213598592U (en) | 2020-04-17 | 2020-04-17 | Power type micro air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598592U (en) |
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2020
- 2020-04-17 CN CN202020570136.7U patent/CN213598592U/en active Active
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