TWI795319B - vacuum breaker valve - Google Patents

Abstract

A vacuum breaking valve, which includes: a valve body, a non-return device, a water-stop pad and a pressing member, wherein, the inner wall of the valve body is provided with a shoulder and a stepped portion, and the top of the shoulder The surface is provided with at least one through hole penetrating downwards through the outer wall of the valve body, and the stepped portion is sequentially formed from top to bottom with a first abutment edge, a second abutment edge and a third abutment edge, The backstop device has a spring and a water retaining member, and the water-stop pad is a round cap with an opening facing up, so that the water-stop pad can have a ring edge and a bottom edge connected to each other. The wall ring is provided with a limiting groove, and an elastic protrusion is formed downward in the center of the bottom edge, and at least one water hole runs through the elastic protrusion, and the pressing member is a hard disc with At least one through hole.

Description

vacuum breaker valve

The present invention relates to a "vacuum breaking valve" which is installed on a water pipeline and has vacuum breaking and backstop functions.

The vacuum breaker valve is installed on the water pipeline or water equipment, so that the vacuum breaker valve can be used to automatically open when the water source is turned on, and to reverse the reverse stop when the water source is cut off, to eliminate the vacuum phenomenon in the pipeline, and then to play a role. To protect the water pipeline or equipment from damage caused by excessive water pressure, negative pressure or vacuum.

However, the above-mentioned known structure still has the following problems in practical application: because the leak-proof of the known vacuum breaking valve is all simply completed by the sleeve of the water-stop ring, and the sleeve of the water-stop ring Not only is there a problem of small contact area, which cannot effectively stop leakage, but also because the water stop ring is not sufficiently pressed against the valve wall of the vacuum breaking valve, the effect of water stop and leak prevention will be greatly increased. Discounter.

Therefore the present inventor promptly is in view of this, is the notion of thinking and creation, then designs with many years of experience, discusses in many ways and try out sample test, and corrects and improves many times, is to push out the present invention.

Conventional vacuum breaking valves cannot effectively stop water and prevent leakage, which is a technical problem to be solved.

The vacuum breaking valve of the present invention, the vacuum breaking valve includes: a valve body, a check device, a water-stop pad and a pressing piece, wherein the valve body has a water inlet and a water outlet, the valve The main body is used to connect the pipeline so that the water flow can flow from the water inlet end to the water outlet end. The inner wall of the valve body is provided with a shoulder and a stepped portion. The top surface of the shoulder is provided with a penetrating valve. At least one through hole on the outer wall of the valve body and the shoulder are arranged below the stepped portion, and the stepped portion has a second-order edge, so that the protrusions passing through the second-order edge are sequentially formed from top to bottom There is a vertical first abutting edge, a horizontal second abutting edge and a vertical third abutting edge, the backstop device has a spring and a water retaining member, the spring and the water retaining The piece is placed inside the valve body so that the spring can be supported between the valve body and the water retaining piece. The water stop pad is a round cap with an opening facing upward so that the water stop pad can It has a ring edge and a bottom edge connected to each other, and the inner wall of the ring edge is provided with a limiting groove, and an elastic convex part is formed downward in the center of the bottom edge, and at least one water passage is passed through the elastic convex part hole, when the water-stop pad is put into the valve body, the first abutting edge, the second abutting edge, and the third abutting edge respectively provide the ring, The bottom edge and the elastic convex part are used as bearings after being abutted, and the spring is used to drive the water retaining part to lean against the elastic convex part. The water blocking member closes the water hole, the pressing member is a hard disc with at least one through hole, and the pressing member is inserted into the limiting groove of the water-stop pad, By using the outward support of the pressing member, the water-stop pad can be effectively sealed to the first abutment edge, the second abutment edge and the third abutment edge, and can The water-stop pad is clamped by the first abutting edge, the second abutting edge, and the third abutting edge The rim respectively provides the ring rim, the bottom edge, and the elastic convex part as bearings after abutment, and can also increase the contact area between the water-stop pad and the valve body, so that the water-stop pad can fully Water-tight and leak-proof; thereby, it can constitute the vacuum breaking valve.

(1) In the vacuum breaking valve of the present invention, the valve body uses the first abutting edge, the second abutting edge, and the third abutting edge to respectively provide the ring edge and the bottom edge , The elastic convex part is used as a bearing after the abutment, so the contact area is large, and the multi-stage contact can relatively exert the effect of water-proof and leak-proof to the extreme.

(2) In the vacuum breaking valve of the present invention, the said urging member is a hard disk, and when the hard disk is filled in the said limiting groove of the said water-stop pad, it can force the said water-stop pad to The ring edge, the bottom edge, and the elastic convex part are in close contact with the first abutment edge, the second abutment edge, and the third abutment edge, so the tightness is good. Let the water-stop pad be fully leak-proof.

Part of the invention:

(1): Vacuum breaker valve

(2): cold zone valve

(10): valve body

(11): water inlet

(12):Water outlet

(13): Shoulder

(131): through hole

(14): stepped part

(141): The first is to rely on the edge

(142): The second is to reach the edge

(143): The third is to rely on the edge

(15): screw

(151): locking screw

(152): Docking screw

(20): backstop device

(21): spring

(22): water retaining piece

(30): Waterproof pad

(31):Rim

(32): bottom edge

(33): limit ditch

(34):Elastic Convex

(341): water hole

(40): Urgent parts

(41): through hole

(50): pipeline

(51): water source

(52): water equipment

[Fig. 1] is a three-dimensional combination diagram of the present invention.

[Fig. 2] is a three-dimensional exploded view of the present invention.

[Fig. 3] is a three-dimensional view of another angle of the water-stop pad and the urging member of the present invention.

[Fig. 4] is a combined sectional view of the present invention.

[Fig. 5] is a partial enlarged view of the combined section of the present invention.

[Figure 6] is the water supply state diagram of the present invention.

[Fig. 7] is a partially enlarged view of the water supply state of the present invention.

[Fig. 8] is the state diagram of backstop and breaking vacuum of the present invention.

[Fig. 9] is a partially enlarged view of the backstop and vacuum breaking state of the present invention.

[Figure 10] is an exploded perspective view of another preferred embodiment of the present invention.

[Figure 11] is a water supply state diagram of another preferred embodiment of the present invention.

[Figure 12] is a state diagram of active drainage and vacuum breaking in another preferred embodiment of the present invention.

In order to enable your review committee members to have a further understanding and understanding of the purpose, characteristics and effects of the present invention, please cooperate with the [simplified description of the drawings] to describe in detail as follows:

Generally, according to the present invention, firstly please observe from Fig. 1 to Fig. 5, the present invention provides a vacuum breaking valve (1), the vacuum breaking valve (1) includes: a valve body (10), a check device ( 20), a water-stop pad (30) and an urging member (40), wherein the valve body (10) has a water inlet (11) and a water outlet (12), the valve body (10) is It is used to connect the pipeline (50) so that the water flow can flow from the water inlet (11) to the water outlet (12). The inner wall of the valve body (10) is provided with a shoulder (13) and a stepped part (14), the top surface of the shoulder (13) is provided with at least one through hole (131) penetrating down through the outer wall of the valve body (10), and the shoulder (13) is located on the stepped Below the portion (14), the stepped portion (14) has a second-order edge, so that the protrusion through the second-order edge forms a vertical first abutment edge (141) and a horizontal first edge (141) from top to bottom. The second abutting edge (142) and a vertical third abutting edge (143), the backstop device (20) has a spring (21) and a water retaining member (22), the spring (21 ) and the water retaining member (22) are placed inside the valve body (10), so that the spring (21) can be supported between the valve body (10) and the water retaining member (22), and the The water-stop pad (30) is a round cap with an opening facing up, so that the water-stop pad (30) can have a connected ring (31) and a bottom edge (32), the inner wall of the ring edge (31) is provided with a limiting groove (33), and an elastic convex portion (34) is formed downward in the center of the bottom edge (32), At least one water hole (341) runs through the elastic protrusion (34). When the water-stop pad (30) is put into the valve body (10), the first abutting edge (141), the second abutment edge (142), and the third abutment edge (143) respectively provide the ring edge (31), the bottom edge (32), the elastic protrusion (34 ) as a bearing after the abutment, the spring (21) is used to drive the water retaining member (22) to abut against the elastic protrusion (34), and it can also be used in the normal state without water The water retaining member (22) closes the water hole (341), the pressing member (40) is a hard disk with at least one through hole (41), and the pressing member (40) is plugged into It is clamped in the limiting groove (33) of the water-stop pad (30), so that the water-stop pad (30) can be effectively sealed by utilizing the outward support of the urging member (40) On the first abutting edge (141), the second abutting edge (142) and the third abutting edge (143), the water-stop pad (30) can be clamped, by The ring edge (31), the bottom edge (32) are respectively provided by the first abutment edge (141), the second abutment edge (142), and the third abutment edge (143). , the elastic convex portion (34) is used as a bearing after the abutment, and can also increase the contact area between the water-stop pad (30) and the valve body (10), so that the water-stop pad (30) can fully Waterproof and leakproof.

The present invention provides a vacuum breaker valve, wherein a screw hole is provided on the valve body (10), so that a screw (15) can be locked by the screw hole, so that the valve body (10) can be firmly fixed on the valve body (10). on the pipeline (50).

The present invention provides a vacuum breaking valve, wherein the screw (15) is a locking screw (151).

The present invention provides a vacuum breaking valve, wherein the screw (15) is a tail screw (152), so that the exposed end can be twisted off after locking to prevent the screw from loosening (please refer to the figure View it as shown in Eleven).

The present invention provides a vacuum breaking valve, wherein, the water inlet (11) and the water outlet (12) are provided with a threaded section, so that the pipeline (50) can be connected with the threaded section.

The invention provides a vacuum breaking valve, wherein the water-stop pad (30) is made of rubber.

The invention provides a vacuum breaking valve, wherein the bottom edge (32) and the elastic protrusion (34) are thinner than the ring edge (31).

The invention provides a vacuum breaking valve, wherein the pipeline (50) includes a water source (51) (faucet) and a water device (52), so that the vacuum breaking valve (1) can be directly connected to the water source (51) and this water-water equipment (52) (please observe it by Fig. 6, Fig. 7, Fig. 8 and Fig. 9 shown simultaneously).

The invention provides a vacuum breaking valve, wherein, the pipeline (50) includes a water source (51) (water tap) and a water device (52), and the vacuum breaking valve (1) is connected with a frigid zone valve (2 ) combined into a full discharge valve, the frigid zone valve (2) includes the same valve body (10), the water stop pad (30) and the urging member (40) as the vacuum breaking valve (1) ) (the combination of its components is also exactly the same, but it does not have the backstop device 20, please observe it from Figure 10 at the same time), when the cold zone valve (2) and the vacuum breaking valve (1) above The way of connecting with the bottom is connected to the pipeline (50) (please observe it as shown in Figure 11), and when the water source (51) is closed after using water, the frigid zone can be used. The valve (2) actively drains water when the vacuum breaking valve (1) is reversed (please observe it from Figure 12), so that the water (water source 51) remaining in the outlet pipe of the faucet can be completely drained , there will be relatively no water accumulating and freezing in the pipeline (50), so that the vacuum breaker valve (1) can also be applied in frigid regions.

In actual use, when the water source (51) is turned on, the downward water flow can be used to push the elastic convex portion (34) downward to produce deformation, so that the elastic convex portion (34) can further lean against On the shoulder (13), the through hole (131) can be closed by the elastic protrusion (34), at the same time, The water flowing down through the through hole (41) and the water hole (341) will also utilize the effect of water pressure to push the water retaining member (22) away from the elastic protrusion (34), so that all The water hole (341) can not be blocked, so that water can be sent into the water device (52) smoothly (please observe it as shown in Figure 6 and Figure 7), otherwise, when the water source (51 ) is closed, the water retaining member (22) will be brought back by the elastic force of the spring (21) to reclose the water hole (341), and the elastic protrusion (34) will also reset , so that the through hole (131) can be further opened, so that the conduction between the through hole (131) and the external space can be used to discharge pressure, so as to achieve the effect of breaking the vacuum (please observe it from Figure 8 and Figure 9 at the same time) ).

The above-mentioned vacuum breaking valve has the following advantages: (1) the valve body (10) is formed by the first abutment edge (141), the second abutment edge (142), and the third abutment edge. The abutting edge (143) respectively provides the bearing for the ring edge (31), the bottom edge (32), and the elastic protrusion (34) after abutting, so the contact area is large, and the multi-stage contact can relatively allow (2) the said pressing piece (40) is a hard disc, when the said hard disc is filled in the said limit ditch (33) of said water stop pad (30) ), the ring edge (31), the bottom edge (32), and the elastic convex portion (34) of the water-stop pad (30) can be forced toward the first abutting edge (141 ), the second leans against the edge (142), and the third leans against the edge (143), so the tightness is good, so that the water-stop pad (30) can be fully leak-proof.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of the present invention; that is, all equivalent changes and modifications made according to the patent scope of the present invention should still belong to this creation within the scope of the patent.

(1): Vacuum breaker valve

(10): valve body

(11): water inlet

(12):Water outlet

(13): Shoulder

(131): through hole

(14): stepped part

(141): The first is to rely on the edge

(142): The second is to reach the edge

(143): The third is to rely on the edge

(15): screw

(151): locking screw

(20): backstop device

(21):spring

(22): water retaining piece

(30): Waterproof pad

(31):Rim

(32): bottom edge

(33): limit ditch

(34):Elastic Convex

(341): water hole

(40): Urgent parts

(41): through hole

Claims (8)

A vacuum breaking valve, the vacuum breaking valve includes: a valve body, a non-return device, a water-stop pad and a pressing piece, wherein: The valve body has a water inlet and a water outlet. The valve body is used to connect a pipeline so that water can flow from the water inlet to the water outlet. The inner wall of the valve body is provided with a shoulder and a water outlet. A stepped portion, the top surface of the shoulder is provided with at least one through hole that goes down through the outer wall of the valve body, and the shoulder is located below the stepped portion, and the stepped portion has a second edge , so that through the protrusion of the second step edge, a vertical first abutment edge, a horizontal second abutment edge and a vertical third abutment edge are sequentially formed from top to bottom; The backstop device has a spring and a water retaining member, the spring and the water retaining member are placed inside the valve body, so that the spring can be supported between the valve body and the water retaining member; The water-stop pad is a round cap with an opening facing upwards, so that the water-stop pad can have a ring edge and a bottom edge connected to each other. The inner wall of the ring edge is provided with a limiting groove, and the center of the bottom edge Then an elastic convex part is formed downward, and at least one water hole runs through the elastic convex part. The second abutment edge and the third abutment edge respectively provide the ring edge, the bottom edge, and the elastic convex part as bearings after abutment, and use the spring to drive the water retaining member to the The elastic convex part is attached to, and the water hole can be closed by the water retaining member under the normal state of not needing water; The urging member is a hard disc with at least one through hole. The urging member is plugged into the limiting groove of the water-stop pad, so as to utilize the urging member to resist outward. hold on, let the The water-stop pad can be effectively sealed to the first abutment edge, the second abutment edge, and the third abutment edge, and can clamp the water-stop pad, by means of the first abutment edge The abutment edge, the second abutment edge, and the third abutment edge respectively provide the bearing for the ring edge, the bottom edge, and the elastic protrusion after abutment, and can also increase the water-stop The contact area between the gasket and the valve body allows the water-stop gasket to fully prevent water leakage. The vacuum breaking valve as described in Claim 1, wherein a screw hole is provided on the valve body, so that a screw lock is provided by the screw hole, so that the valve body can be firmly fixed on the pipeline. The vacuum breaking valve according to claim 2, wherein the screw is a locking screw. The vacuum breaking valve as described in claim 2, wherein the screw is a butt screw. The vacuum breaking valve as described in claim 1, wherein, the water inlet end and the water outlet end are provided with threaded sections, so that the threaded sections can be used to provide the pipeline for connection. The vacuum breaking valve according to claim 1, wherein the thickness of the bottom edge and the elastic protrusion is thinner than that of the ring edge. The vacuum breaking valve according to claim 1, wherein the pipeline includes a water source and a water device, so that the vacuum breaking valve can be directly connected between the water source and the water device. The vacuum breaking valve as described in claim 1, wherein the pipeline includes A water source and a water device, and the vacuum breaking valve is combined with a cold zone valve to form a full discharge valve, and the cold zone valve includes the same valve body as the vacuum breaking valve, the water stop pad and the Describe the urgent parts.

Images