CN216344118U - Drip-proof check valve - Google Patents

Abstract

The utility model belongs to the field of check valves, and particularly relates to an anti-drip check valve which structurally comprises two groups of valve heads, wherein the two groups of valve heads are connected through bolts and threads, the bottoms of the valve heads are communicated with a connecting pipe, the bottom of the connecting pipe is communicated with a water pipe, the left side of the water pipe is communicated with a water inlet, and the right side of the water pipe is communicated with a water outlet. According to the utility model, the exhaust valve is fixedly arranged at the water delivery pipe, so that the exhaust valve can be opened before water delivery to exhaust gas in the pipeline, and the phenomenon that the gas fluctuates during pressurization water delivery to cause the water meter to rotate in advance and cause inaccurate metering is avoided.

Description

Drip-proof check valve

Technical Field

The utility model relates to the field of check valves, in particular to a drip-proof check valve.

Background

The check valve is a valve with a round valve clack as a starting and closing part and acts by self weight and medium pressure to block medium backflow, along with the development of the society, people have more and more requirements on the check valve, the traditional check valve is often not tightly closed when in use, and the check valve cannot be automatically closed when water is cut off, so that water leakage is caused, the metering of a water meter is not accurate, and waste is caused.

Open (bulletin) No. CN205592443U through the retrieval and disclose a antidrip check valve, including the valve gap, threaded connection between valve gap and the valve body, the valve gap serves and is provided with first feed liquor hole, valve body one side is provided with the second feed liquor hole, valve body central point puts and is provided with the guiding axle, the guiding axle is connected with the guide claw, be provided with the answer spring between guiding axle and the guide claw, be provided with the valve clack between guide claw and the valve body, the inside first filter screen that is provided with of valve gap, inside second filter screen, the third filter screen of being provided with of valve body, first filter screen, second filter screen and third filter screen are the V-arrangement.

However, the inventor finds that the technical scheme still has at least the following defects:

the technical scheme is not provided with an exhaust valve, air is easily left in a pipeline, and the air is subjected to pressure fluctuation during pressurization, so that the water meter automatically rotates, the metering of the water meter is inaccurate, and resources are wasted;

second, this technical scheme does not set up the adsorption equipment who connects door and gate, if cut off water suddenly at hydrophobic in-process, the back flow can appear in the automatic close check valve that can't be timely.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a drip-proof check valve which solves the problems proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a check valve of antidrip, includes the valve head, the valve head is total two sets ofly, and is two sets of the valve head passes through bolt threaded connection, valve head bottom intercommunication has the connecting pipe, connecting pipe bottom intercommunication has the raceway, raceway left side intercommunication has the water inlet, raceway right side intercommunication has the delivery port, fixed surface is connected with the connecting door in raceway bottom, the connecting door right side is hugged closely there is the gate, gate left side fixedly connected with rubber pad.

In a preferred embodiment of the present invention, magnets are fixedly connected to opposite sides of the connecting door and the gate, and the magnetic poles of the two sets of magnets are opposite.

As a preferred embodiment of the present invention, a connecting rod is fixedly connected to the top of the gate, a rotating shaft is fixedly connected to the top of the connecting rod, a connecting plate is fixedly connected to the rear side of the rotating shaft, and the connecting plate is located on the inner wall of the front side of the connecting pipe.

As a preferred embodiment of the present invention, an exhaust valve is fixedly installed on the right side of the water outlet.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the exhaust valve is fixedly arranged at the water delivery pipe, so that the exhaust valve can be opened before water delivery to exhaust gas in the pipeline, and the phenomenon that the gas fluctuates during pressurization water delivery to cause the water meter to rotate in advance and cause inaccurate metering is avoided.

2. According to the utility model, the gate and the connecting door are respectively provided with the magnets with opposite magnetic poles, so that the gate and the connecting door can be adsorbed by magnetic force when water is suddenly cut off, and backflow and resource waste caused by the fact that the gate cannot be automatically closed are avoided.

3. According to the utility model, the rubber pad is arranged, so that the airtightness can be improved when the gate and the connecting door are adsorbed, the dripping leakage can be prevented, the buffer effect can be realized, the long-term collision of the gate can be avoided, and the service life can be prolonged.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a drip resistant check valve of the present invention;

FIG. 2 is a schematic view of a device A of the anti-drip check valve of the present invention;

FIG. 3 is a schematic view showing the connection between a gate and a connection pipe of a drip-proof check valve according to the present invention.

In the figure: 1. a valve head; 2. a bolt; 3. a connecting pipe; 4. a water delivery pipe; 5. a water inlet; 6. a water outlet; 7. an exhaust valve; 8. a connecting door; 9. a gate; 10. a rubber pad; 11. a magnet; 12. a connecting rod; 13. a rotating shaft; 14. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a check valve of antidrip, includes valve head 1, valve head 1 is total two sets of, and two sets of valve head 1 passes through bolt 2 threaded connection, valve head 1 bottom intercommunication has connecting pipe 3, connecting pipe 3 bottom intercommunication has raceway 4, raceway 4 left side intercommunication has water inlet 5, raceway 4 right side intercommunication has delivery port 6, fixed surface is connected with connecting door 8 in raceway 4 bottom, the 8 right sides of connecting door are hugged closely there is gate 9, gate 9 left side fixedly connected with rubber pad 10 forms inclosed through passing through bolt 2 threaded connection with two sets of valve head 1, connects raceway 4 through connecting pipe 3, and rivers flow in from water inlet 5 and follow delivery port 6 through raceway 4 and flow out, and rubber pad 10 can increase the seal and can crashproof, increase of service life.

Referring to fig. 2 in this embodiment, magnets 11 are fixedly connected to opposite sides of the connecting door 8 and the gate 9, two sets of magnets 11 have opposite magnetic poles, and the connecting door 8 and the gate 9 are attracted by the magnets 11 with opposite magnetic poles when water is cut off.

Referring to fig. 3 in this embodiment, a connecting rod 12 is fixedly connected to the top of the gate 9, a rotating shaft 13 is fixedly connected to the top of the connecting rod 12, a connecting plate 14 is fixedly connected to the rear side of the rotating shaft 13, the connecting plate 14 is located on the inner wall of the front side of the connecting pipe 3, and when water impacts the gate 9, the rotating shaft 13 on the front side of the connecting plate 14 drives the connecting rod 12 to lift the gate 9.

Referring to fig. 1 in the embodiment, an exhaust valve 7 is fixedly installed on the right side of the water outlet 6, and when water is discharged, the exhaust valve 7 is opened to exhaust the gas in the water pipe 4, so that the gas is prevented from being subjected to pressure fluctuation during pressurization, and the water meter is prevented from rotating.

It should be noted that the components included in the drip-proof check valve of the present invention are all universal standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.

When the check valve of a antidrip uses, it is airtight to pass through 2 threaded connection formation of bolt with two sets of valve heads 1, connect raceway 4 through connecting pipe 3, rivers flow in from water inlet 5 and flow out from delivery port 6 through raceway 4, when draining, through opening discharge valve 7 with the gas escape in raceway 4, avoid the gas to receive the pressure fluctuation when the pressure boost, lead to the water gauge rotation to appear, water is through connecting door 8 with gate 9 jack-up, magnet 11 through opposite magnetic pole will be connected door 8 and gate 9 absorption when cutting off the water, rubber pad 10 can increase the seal and can the anticollision, increase of service life, when rivers impact gate 9, the pivot 13 of connecting plate 14 front sides drives connecting rod 12 and rises gate 9, the device simple structure, and convenient operation, therefore, the clothes hanger is strong in practicability.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A drip-proof check valve comprising a valve head (1), characterized in that: the valve head (1) is two groups, the two groups of valve heads (1) are connected through bolts (2) in a threaded mode, the bottom of the valve head (1) is communicated with a connecting pipe (3), the bottom of the connecting pipe (3) is communicated with a water delivery pipe (4), the left side of the water delivery pipe (4) is communicated with a water inlet (5), the right side of the water delivery pipe (4) is communicated with a water outlet (6), the upper surface of the bottom of the water delivery pipe (4) is fixedly connected with a connecting door (8), the right side of the connecting door (8) is tightly attached with a gate (9), and the left side of the gate (9) is fixedly connected with a rubber pad (10).

2. A drip resistant check valve as defined in claim 1, wherein: the opposite sides of the connecting door (8) and the gate (9) are fixedly connected with magnets (11), and the magnetic poles of the two groups of magnets (11) are opposite.

3. A drip resistant check valve as defined in claim 2, wherein: gate (9) top fixedly connected with connecting rod (12), connecting rod (12) top fixedly connected with pivot (13), pivot (13) rear side fixedly connected with connecting plate (14), connecting plate (14) are located connecting pipe (3) front side inner wall.

4. A drip resistant check valve as defined in claim 1, wherein: an exhaust valve (7) is fixedly arranged on the right side of the water outlet (6).

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