CN211009912U - Air valve - Google Patents
Air valve Download PDFInfo
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- CN211009912U CN211009912U CN201922101894.4U CN201922101894U CN211009912U CN 211009912 U CN211009912 U CN 211009912U CN 201922101894 U CN201922101894 U CN 201922101894U CN 211009912 U CN211009912 U CN 211009912U
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Abstract
The utility model discloses an air valve, which comprises an air valve shell, a push rod motor, an umbrella-shaped valve, a first bracket and a second bracket; the two ends of the air valve shell are respectively provided with an air inlet end and an air outlet end, and the first support and the second support are arranged in the air valve shell; the push rod motor is connected with the first support, a push rod of the push rod motor faces the air inlet end, the axis of the push rod is overlapped with the axis of the air valve shell, the umbrella-shaped valve comprises an umbrella post and a movable joint, the movable joint is sleeved at one end of the umbrella post, the push rod is fixedly connected with the movable joint, the other end of the umbrella post is fixedly connected with the second support, and the umbrella shape of the umbrella-shaped valve is close to the air inlet end; the utility model discloses the beneficial effect who gains: because the umbrella-shaped valve is in a V-shaped shape, the condition of gas turbulence cannot be generated in the ventilation pipeline, and the energy consumption of the fan is reduced under the condition of the same ventilation area; and the umbrella-shaped valve is in a V-shaped shape and has a certain flow guiding effect on gas, so that the wind resistance can be reduced, the vibration is reduced, and the service life of the wind valve is prolonged.
Description
Technical Field
The utility model relates to an air regulation's technical field, concretely relates to blast gate.
Background
The air volume regulating valve, also called as an air valve, is a device used for regulating the air volume in a gas transportation pipeline; in the prior art, there are generally two types of air valves: the air valve is a single circular plate, is arranged in an air pipe through a rotating shaft, and is turned by taking the shaft as a rotating center to adjust the area of a vent; the other type is a butterfly valve formed by two semicircular air valves, each air valve is arranged in the air pipe through a rotating shaft, and the area of a vent is adjusted by rotating the air valve by taking the rotating shaft of one air valve as a rotating center through a linkage structure; in the pipeline ventilation, the fan blades rotate to generate gas flow, the airflow is restrained by the fan blade structures and the walls of the ventilation pipes, the phenomenon that the gas flow rate at the center of the pipeline is slow and the gas flow rate at the pipe walls is fast occurs, the existing circular plate air valve and the butterfly valve generate pressure difference between the windward side and the leeward side of the air valve in the pipeline ventilation, the rotating airflow is influenced to generate turbulence, the air valve vibrates greatly, and particularly under the condition that the assembly precision of the air valve rotating and the air valve opening and closing actuator is not high, the vibration is increased obviously, and the service life of the actuator is influenced by the high-frequency reciprocating motion.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide an air valve, it includes air valve casing, push rod motor, umbrella-type valve, first support and second support, this air valve has can not produce gaseous turbulent flow, the air valve vibration is not obvious, the air valve is longe-lived, reduce the energy consumption of fan, simple structure, simple to operate, maintain convenient advantage in the future.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
an air valve comprises an air valve shell, a push rod motor, an umbrella-shaped valve, a first support and a second support; the two ends of the air valve shell are respectively an air inlet end and an air outlet end, the first support and the second support are both arranged in the air valve shell, the first support is close to the air outlet end, and the second support is close to the air inlet end; the utility model discloses an air valve, including first support, push rod motor, umbrella-type valve, air inlet end, air valve casing, push rod motor with first leg joint, the push rod orientation of push rod motor the air inlet end, just the axis of the push rod of push rod motor with the axis coincidence of air valve casing, the umbrella-type valve includes umbrella post and mobile joint, the mobile joint cover is established the one end of umbrella post, the push rod of push rod motor with mobile joint fixed connection, the other end of umbrella post with second support fixed connection, just the umbrella top of umbrella-type valve is close to the air inlet end, makes the umbrella-type valve is "V" word appearance setting and is in the air valve casing.
Preferably, a groove extending along the axial direction of the umbrella post is formed in one end of the umbrella post, a through hole corresponding to the groove is formed in the movable joint, a threaded hole corresponding to the through hole is formed in the push rod, the push rod is connected with the movable joint through threads, and through the arrangement, the push rod can be stably connected with the movable joint, so that the push rod and the movable joint can synchronously act, and when the push rod extends out, the movable joint is driven to move towards the air inlet end along the groove, so that the umbrella-shaped valve is gradually opened, and the ventilation area of the air valve is gradually reduced; when the push rod retracts, the movable connector is driven to move towards the air outlet end along the groove, so that the umbrella-shaped valve is gradually closed, and the ventilation area of the air valve is gradually increased.
Preferably, the umbrella-type valve still includes umbrella top cover, first connecting rod and second connecting rod, umbrella top cover establishes the other end of umbrella post adopts set screw to pass in proper order the second support reaches umbrella top cover with the other end threaded connection of umbrella post, the one end of first connecting rod with umbrella top cover is articulated to be connected, the one end of second connecting rod with the middle part of first connecting rod is articulated to be connected, the other end of second connecting rod with it connects to move the joint is articulated, first connecting rod is close to one side of air inlet end covers there is the wind-break cloth, just first connecting rod with the axis of umbrella top cover articulated department the second connecting rod with the axis of first connecting rod middle part articulated department and the second connecting rod with the axis of moving the joint articulated department all is perpendicular to the axis of umbrella post.
Preferably, the circumferential surface of the other end of the umbrella post is provided with a drain hole, the drain hole is far away from the air inlet end relative to a hinged plane of the first connecting rod and the umbrella top sleeve, and is communicated with the hollow structure in the umbrella post.
Preferably, when the extending stroke of the push rod motor reaches the maximum, the umbrella-shaped valve is fully opened, a gap exists between the outer edge of the umbrella-shaped valve and the inner wall of the air valve shell, and the range of the gap is between 3 mm and 5mm, so that the arrangement is that, in general, when the air valve does not need ventilation work, the push rod of the push rod motor extends to the limit position, the umbrella-shaped valve is in a fully opened state, and at the moment, a gap of 3 mm to 5mm exists between the outer edge of the umbrella-shaped valve and the inner wall of the air valve shell, on one hand, the ventilation area of the air valve is approximately zero, and airflow can be blocked; on the other hand, when the air valve needs to be ventilated, the push rod of the push rod motor retracts to drive the umbrella-shaped valve to be gradually closed, so that the condition that the umbrella-shaped valve is abraded with the air valve shell from the time of being completely opened to the time of being closed is avoided, and the umbrella-shaped valve is protected to a certain extent.
Preferably, the inner wall of blast gate casing is located the air inlet end is equipped with a plurality of supporting shoes along the equal angle equipartition of circumference, through setting up like this, blast gate casing physical stamina is placed on the plane more stably.
Preferably, the second support is a tripod support, and by such arrangement, the umbrella-shaped valve is not heavy, so that the effect of airflow obstruction on the second support can be reduced on the premise that the second support can be stably connected with the other end of the umbrella post.
Preferably, first support is the four-legged support, through setting up like this, because push rod motor weight is great, is guaranteeing first support can the stable connection under the prerequisite of push rod motor, first support is the hindrance effect that the four-legged support can reduce as far as possible to the air current.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
1. adopt the utility model discloses a behind the blast gate, because umbrella-type valve is "V" word appearance and can not produce the condition of gas turbulent flow in the pipeline ventilation, under same draught area's the condition, the energy consumption of the fan that this blast gate is connected is lower relatively.
2. Adopt the utility model discloses a behind the blast gate, because umbrella-type valve is "V" word appearance and has certain water conservancy diversion effect to gas to can reduce the windage, reduce the vibration, nevertheless because the high-speed rotatory microvibration that still exists the normal condition of fan, nevertheless blast gate vibration is unobvious, has improved the life-span of blast gate.
3. The air valve is simple in structure, convenient to install and convenient to maintain in the future.
4. The umbrella column of the umbrella-shaped valve is provided with a drain hole, so that the condition that water is accumulated in the umbrella-shaped valve can be avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of the embodiment of the present invention with respect to fig. 1;
fig. 3 is another enlarged partial schematic view of the embodiment of the present invention with respect to fig. 1;
fig. 4 is a schematic bottom view of a partial structure of an embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a push rod motor; 1.1, a push rod; 2. a motor mounting seat; 3. a first bracket; 4. a damper housing; 5. moving the joint; 6. an umbrella post; 6.1, grooves; 6.2, a drain hole; 7. a support block; 8. a second bracket; 9. a second link; 10. a first link; 11. A set screw; 12. an umbrella top cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Referring to fig. 1 to 4, the present embodiment discloses an air valve, which includes an air valve housing 4, a push rod motor 1, an umbrella valve, a first bracket 3 and a second bracket 8; the two ends of the air valve shell 4 are respectively an air inlet end and an air outlet end, the first support 3 and the second support 8 are both arranged in the air valve shell 4, the first support 3 is close to the air outlet end, the second support 8 is close to the air inlet end, and the outer edges of the first support 3 and the second support 8 are connected with the inner wall of the air valve shell 4 through threads; the push rod motor 1 is connected with the first support 3, the center of the first support 3 is provided with a motor mounting seat 2, the bottom end of the motor mounting seat 2 is provided with a round hole through which a push rod 1.1 of the push rod motor 1 can pass, the push rod motor 1 is embedded into the motor mounting seat 2, the peripheral surface of the center of the first support 3 is provided with four fixing screws 11 which are uniformly distributed along the circumferential direction, the fixing screws 11 penetrate through the motor mounting seat 2 and abut against the outer wall of the push rod motor 1 to fix the push rod motor 1 and the motor mounting seat 2, the push rod 1.1 passes through the round hole of the motor mounting seat 2 in the direction towards the air inlet end, the axis of the push rod 1.1 is superposed with the axis of the air valve shell 4, the umbrella-shaped valve comprises an umbrella post 6 and a movable connector 5, the movable connector 5 is sleeved at one end of the umbrella post 6, the push rod 1.1 of the push rod motor 1 is fixedly connected with the movable connector 5, the other end of the, so that the umbrella valve is arranged in the blast gate housing 4 in a V-shaped configuration.
The push rod motor 1 controls the opening and closing of the umbrella-shaped valve through the extension of the push rod 1.1, so that the ventilation quantity of the air valve is changed, the umbrella-shaped valve is in a V-shaped shape, the condition of gas turbulence cannot be generated in the pipeline ventilation, and under the condition of the same ventilation area, the energy consumption of a fan connected with the air valve is relatively low; the umbrella-shaped valve is in a V-shaped shape and has a certain flow guiding effect on gas, so that wind resistance can be reduced, vibration is reduced, but the high-speed rotation of the fan still causes micro vibration under normal conditions, but the vibration of the air valve is not obvious, and the service life of the air valve is prolonged; the air valve is simple in structure, convenient to install and convenient to maintain in the future.
One end of the umbrella post 6 is provided with a groove 6.1 extending along the axial direction of the umbrella post 6, the movable joint 5 is provided with a through hole corresponding to the groove 6.1, the push rod 1.1 is provided with a threaded hole corresponding to the through hole, a fixing screw 11 is adopted to sequentially penetrate through the through hole of the movable joint 5 and the groove 6.1 and then is in threaded fit with the threaded hole of the push rod 1.1, so that the push rod 1.1 is fixedly connected with the movable joint 5 through threaded connection, the push rod 1.1 can be stably connected with the movable joint 5, the push rod 1.1 and the movable joint 5 can synchronously act, when the push rod 1.1 extends out, the movable joint 5 is driven to move towards an air inlet end along the groove 6.1, the umbrella-shaped valve is gradually opened, and the ventilation area of the air valve; when the push rod 1.1 retracts, the movable connector 5 is driven to move towards the air outlet end along the groove 6.1, so that the umbrella-shaped valve is gradually closed, and the ventilation area of the air valve is increased.
The umbrella valve also comprises an umbrella top sleeve 12, a first connecting rod 10 and a second connecting rod 9, the umbrella top sleeve 12 is sleeved at the other end of the umbrella post 6, the second support 8 is provided with a connecting hole matched with the umbrella top sleeve 12, the umbrella top sleeve 12 is embedded into the connecting hole of the second support 8, and is in threaded connection with the other end of the umbrella post 6 after sequentially penetrating through the second support 8 and the umbrella top sleeve 12 by adopting a fixing screw 11, so that the umbrella top sleeve 12 and the umbrella post 6 are fixedly connected with the second support 8, one end of the first connecting rod 10 is hinged with the umbrella top sleeve 12, one end of the second connecting rod 9 is hinged with the middle part of the first connecting rod 10, the other end of the second connecting rod 9 is hinged with the movable joint 5, the axis of the hinged part of the umbrella top sleeve 12 and the first connecting rod 10, the axis of the hinged part of the second connecting rod 9 and the movable joint 5 and the axis of the hinged part of the second connecting rod 9 and the first connecting rod 10 are all perpendicular to the axis of the umbrella post 6, the wind-blocking cloth covers one side of the first connecting rod 10 close to the wind inlet end.
The periphery of the other end of the umbrella is provided with a drain hole 6.2, a plurality of hinged points of the first connecting rod 10 and the umbrella top sleeve 12 form a hinged plane, the drain hole 6.2 is far away from the air inlet end relative to the hinged plane of the first connecting rod 10 and the umbrella top sleeve 12, as seen from figure 1, namely the drain hole 6.2 is positioned above the hinged plane, and the drain hole 6.2 is communicated with the hollow structure in the umbrella post 6, when a fan using the air valve enters water, the umbrella valve can converge the water to the umbrella top, and the water flows into the hollow structure of the umbrella post 6 through the drain hole 6.2 and is discharged, so that the condition of water accumulation in the umbrella valve is avoided.
When the extending stroke of the push rod 1.1 of the push rod motor 1 reaches the maximum, the umbrella-shaped valve is completely opened, a gap exists between the outer edge of the umbrella-shaped valve and the inner wall of the air valve shell 4, the range of the gap is 3-5mm, generally, when the air valve does not need ventilation work, the push rod 1.1 of the push rod motor 1 extends to the extreme limit position, and the umbrella-shaped valve is in a completely opened state, at the moment, the gap between the outer edge of the umbrella-shaped valve and the inner wall of the air valve shell 4 is 5mm, so that on one hand, the ventilation area of the air valve is approximately zero, and airflow can be blocked; on the other hand, when the air valve needs to be ventilated, the push rod 1.1 of the push rod motor 1 retracts to drive the umbrella-shaped valve to be gradually closed, so that the condition that the umbrella-shaped valve is abraded with the air valve shell 4 from full opening to closing is avoided, and the air valve plays a certain protection role.
The inner wall of blast gate casing 4 is located the air inlet end and is equipped with six supporting shoes 7 along the equal angle equipartition of circumference, and blast gate casing 4 can place on the plane more steadily.
The second support 8 is a three-leg support, and the second support 8 can reduce the effect of blocking the airflow on the premise that the second support 8 can be stably connected with the other end of the umbrella post 6 due to the fact that the umbrella-shaped valve is not heavy.
The utility model discloses a use:
when the air valve needs to ventilate, the push rod 1.1 of the push rod motor 1 retracts to the limit position, at the moment, the umbrella-shaped valve is in a completely closed state, and hardly generates an air flow blocking effect, when the air quantity of the fan is larger than the required air quantity, the push rod 1.1 of the push rod motor 1 is controlled by a control system to extend out of a specified distance, the push rod 1.1 drives the movable joint 5 to move towards an air inlet end along the groove 6.1, the umbrella-shaped valve is in a half-open state, the umbrella-shaped valve is in a V-shaped shape, the turbulent flow of air cannot be generated in the pipeline ventilation, and under the condition of the same ventilation area, the energy consumption of the fan can be; the umbrella-shaped valve is in a V-shaped shape and has a certain flow guiding effect on gas, so that wind resistance can be reduced, vibration can be reduced, but the high-speed rotation of the fan still causes micro vibration under normal conditions, but the vibration of the air valve is not obvious, and the service life of the air valve is prolonged; when the air valve does not need to be ventilated, the push rod 1.1 of the push rod motor 1 extends out to the limit position, at the moment, the umbrella-shaped valve is in a completely opened state, and the ventilation area of the air valve is approximately zero.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (8)
1. An air valve is characterized by comprising an air valve shell, a push rod motor, an umbrella-shaped valve, a first support and a second support; the two ends of the air valve shell are respectively an air inlet end and an air outlet end, the first support and the second support are both arranged in the air valve shell, the first support is close to the air outlet end, and the second support is close to the air inlet end; the utility model discloses an air valve, including first support, push rod motor, umbrella-type valve, air inlet end, air valve casing, push rod motor with first leg joint, the push rod orientation of push rod motor the air inlet end, just the axis of the push rod of push rod motor with the axis coincidence of air valve casing, the umbrella-type valve includes umbrella post and mobile joint, the mobile joint cover is established the one end of umbrella post, the push rod of push rod motor with mobile joint fixed connection, the other end of umbrella post with second support fixed connection, just the umbrella top of umbrella-type valve is close to the air inlet end, makes the umbrella-type valve is "V" word appearance setting and is in the air valve casing.
2. The air valve as claimed in claim 1, wherein one end of the umbrella post is provided with a groove extending along the axial direction of the umbrella post, the movable joint is provided with a through hole corresponding to the groove, the push rod is provided with a threaded hole corresponding to the through hole, and the push rod is connected with the movable joint through threads.
3. The damper of claim 2, wherein the umbrella valve further comprises an umbrella crown sleeve, a first link, and a second link, the umbrella top sleeve is sleeved at the other end of the umbrella post, a fixing screw is adopted to sequentially penetrate through the second bracket and the umbrella top sleeve to be in threaded connection with the other end of the umbrella post, one end of the first connecting rod is hinged with the umbrella top sleeve, one end of the second connecting rod is hinged with the middle part of the first connecting rod, the other end of the second connecting rod is hinged with the movable joint, one side of the first connecting rod, which is close to the air inlet end, is covered with a wind-blocking cloth, and the axis of the hinged part of the first connecting rod and the umbrella top sleeve, the axis of the hinged part of the second connecting rod and the middle part of the first connecting rod and the axis of the hinged part of the second connecting rod and the movable joint are all perpendicular to the axis of the umbrella post.
4. The air valve as claimed in claim 3, wherein a water discharge hole is formed on the circumferential surface of the other end of the umbrella post, the water discharge hole is far away from the air inlet end relative to the hinge plane of the first connecting rod and the umbrella top sleeve, and the water discharge hole is communicated with the hollow structure in the umbrella post.
5. The blast gate valve according to claim 1, wherein when the stroke of the push rod extension of the push rod motor reaches a maximum, the umbrella valve is fully opened, and a gap exists between the outer edge of the umbrella valve and the inner wall of the blast gate housing, wherein the gap ranges from 3 mm to 5 mm.
6. The blast gate valve according to any one of claims 1 to 5, wherein the inner wall of the air inlet end of the blast gate housing is provided with a plurality of supporting blocks which are equiangularly distributed along the circumferential direction.
7. The damper according to any one of claims 1 to 5, wherein the second bracket is a tripod bracket.
8. The damper according to any one of claims 1 to 5, wherein the first bracket is a four-legged bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101894.4U CN211009912U (en) | 2019-11-28 | 2019-11-28 | Air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101894.4U CN211009912U (en) | 2019-11-28 | 2019-11-28 | Air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009912U true CN211009912U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922101894.4U Active CN211009912U (en) | 2019-11-28 | 2019-11-28 | Air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669632A (en) * | 2021-08-02 | 2021-11-19 | 李友兵 | Conveying pipe conveying quantity adjusting and controlling mechanism |
-
2019
- 2019-11-28 CN CN201922101894.4U patent/CN211009912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669632A (en) * | 2021-08-02 | 2021-11-19 | 李友兵 | Conveying pipe conveying quantity adjusting and controlling mechanism |
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