CN218480244U - Novel block valve - Google Patents

Abstract

The utility model discloses a novel block valve, the water control valve comprises a valve body, the inside of valve body is provided with check baffle, two be provided with first closing plate between the check baffle, the top surface and the bottom surface an organic whole of first closing plate are bent and have second closing plate and third closing plate. The utility model discloses in, appear leaking when the pipeline, start the cylinder, the cylinder promotes first closing plate and moves down, seals the valve body, and the setting of second closing plate makes feeding chamber and first sealed chamber and the sealed chamber of second isolated each other, and the setting of first closing plate makes first sealed chamber and the sealed chamber of second and ejection of compact chamber isolated each other, through the third closing plate, makes to obtain the material chamber and first sealed chamber and the sealed chamber of second isolated each other, the utility model discloses simple structure, convenient operation seals valve inside through a lot of to sealed effectual purpose has been realized.

Description

Novel block valve

Technical Field

The utility model relates to a valve equipment technical field especially relates to a novel block valve.

Background

The shut-off valve is also called a closed-circuit valve, and is used for connecting or shutting off a medium in a pipeline, such as a gas pipeline, and the line shut-off valve realizes the automatic closing of the valve according to the pressure reduction rate of the pipeline once the pipeline is broken.

The prior art has the following problems:

the existing block valve generally adopts a single sealing type valve, and after the block valve is opened and closed for many times, leakage is easily generated at the sealing position, so that the use of the valve is influenced.

We have therefore proposed a new shut-off valve that addresses the above drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel block valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel block valve, includes the valve body, the inside of valve body is provided with check baffle, two be provided with first closing plate between the check baffle, the top surface and the bottom surface an organic whole of first closing plate are bent there are second closing plate and third closing plate, first closing plate, second closing plate, third closing plate become the feeding chamber with the internal partitioning of valve body, go out the material chamber, first sealed chamber and the sealed chamber of second, one side in feeding chamber is provided with first sealed chamber, the top surface in first sealed chamber is provided with the sealed chamber of second, one side in the sealed chamber of second is provided with out the material chamber, the top surface in first sealed chamber is provided with the cylinder, the cylinder passes through the top surface of bolt fastening at the valve body.

Preferably, the outer wall surface of cylinder is provided with the protection casing, and the protection casing passes through the bolt fastening at the top surface of valve body.

Preferably, the protective cover is made of a transparent acrylic plate.

Preferably, the inside of valve body is provided with pressure sensor, and pressure sensor is provided with a plurality ofly to a plurality of pressure sensor install respectively in feeding chamber, ejection of compact chamber, first seal chamber and second seal chamber.

Preferably, the two ends of the valve body are respectively and integrally provided with an inlet flange and an outlet flange.

Preferably, the top surface of cylinder is provided with the controller, the controller passes through wire and cylinder and pressure sensor electric connection.

Preferably, the top surface of the controller is provided with an alarm.

Compared with the prior art, the utility model has the advantages that;

(1) The utility model discloses in, through setting up the valve body, first closing plate, the second closing plate, the third closing plate, the check baffle, the cylinder, the feeding chamber, the ejection of compact chamber, first sealed chamber and the sealed chamber of second, the single sealed valve of the valve of cutting off of having solved current generally adoption, after the multiple switch, very easily produce the leakage in sealed department, thereby influence the problem of use of valve, leak when the pipeline appears, start the cylinder, the cylinder promotes first closing plate and moves down, seal the valve body, the setting of second closing plate, make feeding chamber and first sealed chamber and the sealed chamber of second isolated each other, the setting of first closing plate, make first sealed chamber and the sealed chamber of second and ejection of compact chamber isolated each other, through the third closing plate, make to obtain the ejection of compact chamber and first sealed chamber and the sealed chamber of second isolated each other, the utility model discloses simple structure, convenient operation seals the valve inside through a lot of, thereby realized sealed effectual purpose.

(2) The utility model discloses in, be provided with the protection casing through the outside at the cylinder, avoid inside water smoke infiltration to the cylinder, cause the damage of cylinder to lead to the valve to be backed down, lead to the valve to leak.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a novel block valve provided by the present invention;

fig. 2 is a schematic view of the internal structure of the protective cover of the novel block valve provided by the present invention;

fig. 3 is a schematic view of the overall structure of the first sealing plate of the novel block valve of the present invention.

Illustration of the drawings:

1. a valve body; 2. an inlet flange; 3. an outlet flange; 4. a first sealing plate; 5. a second sealing plate; 6. a third sealing plate; 7. a grid baffle; 8. a cylinder; 9. a feed cavity; 10. a discharge cavity; 11. a first sealed chamber; 12. a second sealed chamber; 13. a pressure sensor; 14. a controller; 15. an alarm; 16. a shield.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, a novel block valve includes a valve body 1, lattice baffles 7 are arranged inside the valve body 1, a first sealing plate 4 is arranged between the two lattice baffles 7, a second sealing plate 5 and a third sealing plate 6 are integrally bent on the top surface and the bottom surface of the first sealing plate 4, the second sealing plate 5 and the third sealing plate 6 divide the inside of the valve body 1 into a feeding cavity 9, a discharging cavity 10, a first sealing cavity 11 and a second sealing cavity 12, a first sealing cavity 11 is arranged on one side of the feeding cavity 9, a second sealing cavity 12 is arranged on the top surface of the first sealing cavity 11, a discharging cavity 10 is arranged on one side of the second sealing cavity 12, an air cylinder 8 is arranged on the top surface of the first sealing cavity 11, and the air cylinder 8 is fixed on the top surface of the valve body 1 through bolts.

In this embodiment: when the pipeline leakage appears, start cylinder 8, cylinder 8 promotes first closing plate 4 and moves down, seals valve body 1, the setting of second closing plate 5, make feed cavity 9 and first sealed chamber 11 and the sealed chamber 12 of second isolated each other, the setting of first closing plate 4, make first sealed chamber 11 and the sealed chamber 12 of second and ejection of compact chamber 10 isolated each other, through third closing plate 6, make and obtain that material chamber 10 and first sealed chamber 11 and the sealed chamber 12 of second isolated each other, the utility model discloses simple structure, convenient operation seals valve inside through a lot of, thereby has realized sealed effectual purpose, and cylinder 8 belongs to the common general knowledge in the art, only uses it, does not reform transform, so no longer describe control mode and circuit connection in detail.

Specifically, the outer wall surface of the cylinder 8 is provided with a protection cover 16, and the protection cover 16 is fixed to the top end surface of the valve body 1 by bolts.

In this embodiment: through being provided with protection casing 16 in the outside of cylinder 8, avoid water smoke infiltration to inside the cylinder 8, cause the damage of cylinder 8 to lead to the valve to be backed down, lead to the valve to leak.

Specifically, the protective cover 16 is made of a transparent acrylic plate.

In this embodiment: low price and difficult damage.

Specifically, the inside of the valve body 1 is provided with a plurality of pressure sensors 13, and the pressure sensors 13 are installed in the feeding cavity 9, the discharging cavity 10, the first sealing cavity 11 and the second sealing cavity 12 respectively.

In this embodiment: through setting up a plurality of pressure sensor 13 for real-time detection feeding chamber 9, ejection of compact chamber 10, first seal chamber 11 and the inside implementation pressure of second seal chamber 12, pressure sensor 13 belongs to the common general knowledge in this field, only uses it, does not reform transform, so control mode and circuit connection are not described in detail again.

Specifically, the two ends of the valve body 1 are respectively and integrally provided with an inlet flange 2 and an outlet flange 3.

In this embodiment: set up import flange 2 and outlet flange 3 through an organic whole, conveniently be connected with external water pipe, also can guarantee simultaneously import flange 2, the sealing performance of being connected between outlet flange 3 and the valve body 1.

Specifically, the top end surface of the cylinder 8 is provided with a controller 14, and the controller 14 is electrically connected with the cylinder 8 and the pressure sensor 13 through a wire.

In this embodiment: the control of the cylinder 8 and the pressure sensor 13 is facilitated by the controller 14, and a controller control circuit can be realized through simple programming by a person skilled in the art, and the controller control circuit belongs to the common knowledge in the field, is only used without modification, so that the detailed description of a control mode and circuit connection is omitted.

Specifically, the alarm 15 is mounted on the top surface of the controller 14.

In this embodiment: through setting up alarm 15, physical pressure parameters such as the inside gas of valve body 1, liquid change, controller 14 control alarm 15 scintillation and buzz to warn operating personnel.

The working principle is as follows: when the pipeline leaks, the cylinder 8 is started, the cylinder 8 pushes the first sealing plate 4 to move downwards to seal the valve body 1, the second sealing plate 5 is arranged to isolate the feeding cavity 9 from the first sealing cavity 11 and the second sealing cavity 12, the first sealing plate 4 is arranged to isolate the first sealing cavity 11 from the second sealing cavity 12 and the discharging cavity 10, and the discharging cavity 10 is isolated from the first sealing cavity 11 and the second sealing cavity 12 through the third sealing plate 6; through being provided with protection casing 16 in the outside of cylinder 8, avoid water smoke infiltration to the inside of cylinder 8, cause the damage of cylinder 8 to lead to the valve to be backed down, lead to the valve to leak.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. The utility model provides a novel block valve, includes valve body (1), its characterized in that, the inside of valve body (1) is provided with check baffle (7), two be provided with first closing plate (4) between check baffle (7), the top surface and the bottom surface of first closing plate (4) an organic whole have been bent second closing plate (5) and third closing plate (6), first closing plate (4), second closing plate (5), third closing plate (6) become feeding chamber (9), ejection of compact chamber (10), first sealed chamber (11) and second sealed chamber (12) with the inside partition of valve body (1), one side of feeding chamber (9) is provided with first sealed chamber (11), the top surface of first sealed chamber (11) is provided with second sealed chamber (12), one side of second sealed chamber (12) is provided with ejection of compact chamber (10), the top surface of first sealed chamber (11) is provided with cylinder (8), cylinder (8) pass through the bolt fastening at the top surface of valve body (1).

2. A novel shut-off valve according to claim 1, characterized in that the outer wall surface of the cylinder (8) is provided with a protective cover (16), and the protective cover (16) is fixed to the top end surface of the valve body (1) by bolts.

3. The new shut-off valve according to claim 2, characterized in that said protection cover (16) is made of transparent acrylic plate.

4. A novel block valve as claimed in claim 1, characterized in that a pressure sensor (13) is arranged inside the valve body (1), the pressure sensor (13) is provided in plurality, and the plurality of pressure sensors (13) are respectively arranged in the feeding cavity (9), the discharging cavity (10), the first sealing cavity (11) and the second sealing cavity (12).

5. The novel shut-off valve as claimed in claim 1, characterized in that the valve body (1) is provided integrally with an inlet flange (2) and an outlet flange (3) at each end.

6. The novel shut-off valve as claimed in claim 1, characterized in that the top surface of the cylinder (8) is provided with a controller (14), and the controller (14) is electrically connected with the cylinder and the pressure sensor (13) through a lead.

7. A novel shut-off valve according to claim 6, characterised in that the top surface of the control (14) is fitted with an alarm (15).

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