CN216112326U

CN216112326U - Automatic exhaust air inlet unit

Info

Publication number: CN216112326U
Application number: CN202122385201.6U
Authority: CN
Inventors: 李斌; 李春生
Original assignee: Beijing Ouhuayuan New Technology Co ltd
Current assignee: Beijing Ouhuayuan New Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an automatic exhaust and air intake device, which comprises an exhaust valve, wherein the lower end of the exhaust valve is in threaded connection with a ball valve, the lower end of the ball valve is fixedly connected with a two-position three-way diaphragm valve, the side end flange of the two-position three-way diaphragm valve is connected with an air/water inlet for backwashing, a diaphragm is slidably connected in the two-position three-way diaphragm valve, the middle part of the diaphragm is fixedly connected with a movable rod, one side of the two-position three-way diaphragm valve, which is far away from the air/water inlet for backwashing, is provided with a solenoid valve for driving the movable rod to slide, and the solenoid valve is fixedly connected with the two-position three-way diaphragm valve. The utility model can drive the diaphragm sheet to move by controlling the electromagnetic valve, so that the diaphragm sheet respectively seals the pipe orifice and the semi-ring pipe close to one side of the backwashing air inlet/water outlet, thereby completing the communication between the filter connected with the lower part of the two-position three-way diaphragm valve and the exhaust valve and the backwashing air inlet/water outlet respectively, conveniently completing the operation steps of backwashing the filter and improving the backwashing efficiency.

Description

Automatic exhaust air inlet unit

Technical Field

The utility model relates to the technical field of exhaust valve equipment, in particular to an automatic exhaust and air intake device.

Background

The exhaust valve can be used for exhausting redundant gas in a pipeline, the main principle is that when gas exists in a system, the gas can climb upwards along the pipeline and finally gathers at the highest point of the system, the exhaust valve is generally installed at the highest point of the system, when the gas enters the valve cavity of the exhaust valve and gathers at the upper part of the exhaust valve, the pressure rises along with the increase of the gas in the valve, when the gas pressure is larger than the system pressure, the gas can enable the water surface in the cavity to fall, the buoy falls along with the water level, the exhaust port is opened to exhaust the redundant gas, after the gas is exhausted, the water level rises, the buoy rises along with the rise of the water level, and the exhaust port is closed.

The utility model with the prior patent publication number of CN207478114U discloses a filter with an exhaust valve, which comprises a shell, a filter element and an exhaust valve, wherein the filter element is positioned in the shell, and the exhaust valve is arranged on the upper side wall of the shell; the exhaust valve comprises a valve plug, a valve body, a first sealing ring and a second sealing ring, wherein the valve plug is positioned in the valve body, the first sealing ring is matched and sealed with the second port of the valve body, and the second sealing ring is matched and sealed with the second port of the valve body; when discharge valve is in the closure state, draw-in groove and kelly form fixed connection, and first sealing washer forms sealedly with first port, and the unable downstream chamber that gets into of fluid that is in the upper reaches chamber.

According to the technical scheme, air can be exhausted in the using process of the filter, but the filter needs to be backwashed after being used for a period of time, the exhaust valve needs to be closed in the backwashing process, the closing control of the exhaust valve is complicated in the existing connecting mode, and meanwhile, an air inlet or a water inlet for backwashing needs to be independently arranged, so that the operation in the backwashing process is increased, and the inconvenience is brought to the backwashing work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic exhaust and air inlet device, which can reduce air inlet/water gap and exhaust valve for conveniently controlling backwashing, reduce the operation steps of the air inlet device and improve the backwashing efficiency.

The utility model is realized by the following technical scheme:

the utility model provides an automatic exhaust air inlet unit, includes discharge valve, discharge valve lower extreme threaded connection has the ball valve, two three-way diaphragm valves of ball valve lower extreme fixedly connected with, two three-way diaphragm valve side end flange joint have the back flush with admitting air/the mouth of a river, sliding connection has the diaphragm in two three-way diaphragm valves, diaphragm middle part fixedly connected with movable rod, two three-way diaphragm valves keep away from back flush with admitting air/mouth of a river one side and are provided with the solenoid valve that is used for driving the movable rod to slide, solenoid valve and two three-way diaphragm valve fixed connection, both sides are provided with half ring pipe, two respectively about the movable rod the half ring pipe respectively with two three-way diaphragm valve inner wall relative one side fixed connection.

By adopting the technical scheme, when the filter needs to be backwashed, the electromagnetic valve is controlled to drive the diaphragm sheet to move, so that the diaphragm sheet respectively seals the pipe orifice close to one side of the backwashing air inlet/water outlet and the semi-ring pipe, the filter connected with the lower part of the two-position three-way diaphragm valve is respectively communicated with the exhaust valve and the backwashing air inlet/water outlet, the operation step of backwashing the filter is conveniently completed, and the backwashing efficiency is improved.

Further setting the following steps: and one end of each of the two semi-circular pipes, which is close to each other, is fixedly connected with a rubber seal ring, and the rubber seal rings are abutted to the edge part of the diaphragm.

Through adopting above-mentioned technical scheme, the rubber seal ring that sets up between two half ring pipes can carry out the shutoff to the limit portion of diaphragm when the diaphragm moves to between two half ring pipes spacing to strengthen the separation effect of diaphragm, reduce the leakage of admitting air or intaking when conveniently carrying out the back flush.

Further setting the following steps: the outside of the diaphragm sheet is sleeved with a scraping edge steel ring, and the outer wall of the scraping edge steel ring is attached to the middle part of the two-position three-way diaphragm valve in a sliding connection mode.

Through adopting above-mentioned technical scheme, make the diaphragm piece drive the removal of scraping the limit steel ring when removing, when scraping the limit steel ring laminating and sliding in two tee bend diaphragm valve inner walls, strike off the impurity of two tee bend diaphragm valve inner walls, get rid of when conveniently carrying out the back flush, reduce remaining impurity in two tee bend diaphragm valves.

Further setting the following steps: the middle part of the diaphragm is fixedly connected with a plurality of tough steel bands, and one end, far away from the diaphragm, of each tough steel band is fixedly connected with the scraping edge steel ring.

Through adopting above-mentioned technical scheme, when making the diaphragm drive scrape the limit steel ring and remove, toughness steel band carries out elastic support to scraping the limit steel ring to when the diaphragm drives toughness steel band and removes, the reinforcing is scraped the clearance effect of limit steel ring to two tee bend diaphragm valve inner wall impurities, and toughness steel band supports the diaphragm simultaneously, and atmospheric pressure or water pressure when lightening the back flush cause the deformation of diaphragm.

Further setting the following steps: the exhaust valve is characterized in that a bracket is fixedly connected to the inner lower end of the exhaust valve, a floating ball is connected to the bracket in a sliding mode, a packing ring is fixedly connected to the middle of the exhaust valve, and the floating ball is clamped with the packing ring in a matched mode.

By adopting the technical scheme, when the diaphragm moves to the side close to the back-washing air inlet/water outlet to block the back-washing air inlet/water outlet, the filter at the lower part of the two-position three-way diaphragm valve is communicated with the exhaust valve, so that redundant air in the filter can be conveniently discharged through the exhaust valve.

Further setting the following steps: positioning clamping grooves are formed in two sides of the floating ball, a limiting clamping plate matched with the positioning clamping grooves is fixedly connected to the inner wall of the bracket, and the floating ball is attached to the limiting clamping plate and slides.

Through adopting above-mentioned technical scheme, make spacing cardboard restriction floater come-up with the whereabouts during rocking to liquid when reducing gas outgoing leaks.

In conclusion, the beneficial technical effects of the utility model are as follows:

the utility model can conveniently convert the air inlet function and the air outlet function in the two-position three-way diaphragm valve, simplifies the operation process and further improves the backwashing efficiency.

Drawings

FIG. 1 is an isometric view of one embodiment of the utility model, primarily intended to show the general construction of a vent valve;

FIG. 2 is a front cross-sectional view of an embodiment of the present invention, which is mainly used to show a schematic structural diagram of a two-position three-way diaphragm valve;

fig. 3 is a partially cut-away perspective view of an embodiment of the present invention, which is mainly used for showing a structural schematic diagram of a two-position three-way diaphragm valve.

Reference numerals: 1. an exhaust valve; 2. a ball valve; 3. a two-position three-way diaphragm valve; 4. an air inlet/water outlet for back flushing; 5. an electromagnetic valve; 6. a diaphragm sheet; 7. a movable rod; 8. a semi-ring pipe; 9. sealing a ring with rubber; 10. scraping a steel ring; 11. a bracket; 12. a floating ball; 13. a packing ring; 14. a ductile steel strip.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the scope of the present invention and that the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, the automatic exhaust and air intake device disclosed by the utility model comprises an exhaust valve 1, wherein the lower end of the exhaust valve 1 is in threaded connection with a ball valve 2, the lower end of the ball valve 2 is fixedly connected with a two-position three-way diaphragm valve 3, when the exhaust valve 1 needs to be closed, the ball valve 2 is adjusted to rotate, so that the ball valve 2 is in a closed state, and external impurities are reduced from entering the two-position three-way diaphragm valve 3 through the exhaust valve 1. The side end flange of the two-position three-way diaphragm valve 3 is connected with an air inlet/water outlet 4 for back washing, the two-position three-way diaphragm valve 3 is connected with a diaphragm 6 in a sliding mode, and the middle of the diaphragm 6 is fixedly connected with a movable rod 7.

Referring to fig. 2 and 3, a solenoid valve 5 for driving a movable rod 7 to slide is arranged on one side of a two-position three-way diaphragm valve 3 away from a backwashing air inlet/water outlet 4, the solenoid valve 5 is fixedly connected with the two-position three-way diaphragm valve 3, half circular pipes 8 are respectively arranged on the upper side and the lower side of the movable rod 7, the two half circular pipes 8 are respectively fixedly connected with one side of the inner wall of the two-position three-way diaphragm valve 3 opposite to each other, when the filter needs to be backwashed, the solenoid valve 5 is controlled to drive a diaphragm sheet 6 to move, so that the diaphragm sheet 6 respectively seals a pipe opening close to one side of the backwashing air inlet/water outlet 4 and the half circular pipe 8, and therefore the filter connected to the lower portion of the two-position three-way diaphragm valve 3 is respectively communicated with an exhaust valve 1 and the backwashing air inlet/water outlet 4, operation steps of backwashing the filter are conveniently completed, and backwashing efficiency is improved.

Referring to fig. 2, a bracket 11 is fixedly connected to the inner lower end of the exhaust valve 1, a floating ball 12 is slidably connected to the bracket 11, a packing ring 13 is fixedly connected to the middle of the exhaust valve 1, the floating ball 12 is clamped to the packing ring 13, and when the diaphragm 6 moves to a side close to the backwashing air inlet/outlet 4 to pack the backwashing air inlet/outlet 4, the filter at the lower part of the two-position three-way diaphragm valve 3 is communicated with the exhaust valve 1, so that the redundant gas in the filter can be conveniently discharged through the exhaust valve 1. Positioning slot has been seted up to floater 12 both sides, and 11 inner walls fixedly connected with of bracket and positioning slot assorted spacing cardboard, floater 12 laminate in spacing cardboard slip, rock when making spacing cardboard restriction floater 12 come-up and whereabouts to liquid leakage when reducing gas outgoing.

Referring to fig. 3, one end of each of the two half circular pipes 8 close to each other is fixedly connected with a rubber seal ring 9, the rubber seal ring 9 abuts against the edge of the diaphragm 6, and the rubber seal ring 9 arranged between the two half circular pipes 8 can block and limit the edge of the diaphragm 6 when the diaphragm 6 moves to between the two half circular pipes 8, so that the blocking effect of the diaphragm 6 is enhanced, and the leakage of air intake or water intake is reduced when backwashing is conveniently performed.

Referring to fig. 3, the outside of the diaphragm 6 is sleeved with a scraping edge steel ring 10, the outer wall of the scraping edge steel ring 10 is attached to the middle of the two-position three-way diaphragm valve 3 in a sliding connection manner, so that the diaphragm 6 drives the scraping edge steel ring 10 to move when moving, and when the scraping edge steel ring 10 is attached to the inner wall of the two-position three-way diaphragm valve 3 to slide, impurities on the inner wall of the two-position three-way diaphragm valve 3 are scraped, so that the impurities can be conveniently removed during backwashing, and the impurities remained in the two-position three-way diaphragm valve 3 are reduced.

Referring to fig. 3, a plurality of tough steel strips 14 are fixedly connected to the middle of the diaphragm 6, one end of each tough steel strip 14, which is far away from the diaphragm 6, is fixedly connected to the scraping edge steel ring 10, so that when the diaphragm 6 drives the scraping edge steel ring 10 to move, the tough steel strips 14 elastically support the scraping edge steel ring 10, and therefore when the diaphragm 6 drives the tough steel strips 14 to move, the cleaning effect of the scraping edge steel ring 10 on impurities on the inner wall of the two-position three-way diaphragm valve 3 is enhanced, and meanwhile, the tough steel strips 14 support the diaphragm 6, and the deformation of the diaphragm 6 caused by air pressure or water pressure during backwashing is reduced.

The working principle and the beneficial effects of the utility model are as follows:

when the exhaust operation is performed, the movable rod 7 is adjusted to move through the electromagnetic valve 5, so that the movable rod 7 drives the diaphragm sheet 6 to move to the side close to the backwashing air inlet/water outlet 4, after the plugging of the backwashing air inlet/water outlet 4 is completed, the two-position three-way diaphragm valve 3 is communicated with the exhaust valve 1, the exhaust valve 1 on the two-position three-way diaphragm valve 3 can perform the exhaust operation, when redundant gas exists in the filter, the liquid level descends, the floating ball 12 descends, the gas is discharged from the exhaust valve 1, after the redundant gas is discharged, the floating ball 12 plugs the packing ring 13 along with the ascending of the liquid level, and the exhaust operation is normally completed. During the back flushing process, the electromagnetic valve 5 is controlled to adjust the diaphragm sheet 6 to move towards the side close to the electromagnetic valve 5, so that the diaphragm sheet 6 moves to the position attached to the inner sides of the two semi-ring pipes 8, the air/water inlet 4 for back flushing is communicated with the two-position three-way diaphragm valve 3, compressed air or liquid can be conveniently introduced to back flush the lower side of the two-position three-way diaphragm valve 3, the conversion of air inlet and exhaust functions of the two-position three-way diaphragm valve 3 can be conveniently realized, the operation process is simplified, and the back flushing efficiency is improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. An automatic exhaust air inlet unit which characterized in that: comprises an exhaust valve (1), the lower end of the exhaust valve (1) is connected with a ball valve (2) in a threaded manner, the lower end of the ball valve (2) is fixedly connected with a two-position three-way diaphragm valve (3), the flange at the side end of the two-position three-way diaphragm valve (3) is connected with an air inlet/water outlet (4) for back washing, the two-position three-way diaphragm valve (3) is connected with a diaphragm (6) in a sliding way, the middle part of the diaphragm (6) is fixedly connected with a movable rod (7), a solenoid valve (5) for driving the movable rod (7) to slide is arranged on one side of the two-position three-way diaphragm valve (3) far away from the back-flushing air inlet/water outlet (4), solenoid valve (5) and two tee bend diaphragm valve (3) fixed connection, both sides are provided with half ring pipe (8) respectively about movable rod (7), two half ring pipe (8) respectively with two tee bend diaphragm valve (3) inner wall relative one side fixed connection.

2. An automatic exhaust and intake apparatus according to claim 1, wherein: one end, close to each other, of each of the two semi-circular pipes (8) is fixedly connected with a rubber seal ring (9), and the rubber seal rings (9) are abutted to the edge of the diaphragm (6).

3. An automatic exhaust and intake apparatus according to claim 1, wherein: the outside of the diaphragm (6) is sleeved with a scraping edge steel ring (10), and the outer wall of the scraping edge steel ring (10) is attached to the middle part of the two three-way diaphragm valve (3) in a sliding connection mode.

4. An automatic exhaust and intake apparatus according to claim 3, wherein: the middle of the diaphragm (6) is fixedly connected with a plurality of tough steel belts (14), and one end, far away from the diaphragm (6), of each tough steel belt (14) is fixedly connected with the scraping edge steel ring (10).

5. An automatic exhaust and intake apparatus according to claim 1, wherein: lower extreme fixedly connected with bracket (11) in discharge valve (1), sliding connection has floater (12) on bracket (11), discharge valve (1) middle part fixedly connected with seals spacer ring (13), floater (12) and seal spacer ring (13) phase-match joint.

6. An automatic exhaust and intake apparatus according to claim 5, wherein: positioning clamping grooves are formed in two sides of the floating ball (12), a limiting clamping plate matched with the positioning clamping grooves is fixedly connected to the inner wall of the bracket (11), and the floating ball (12) is attached to the limiting clamping plate to slide.