CN211779228U

CN211779228U - Regulating valve capable of automatically regulating flow rate

Info

Publication number: CN211779228U
Application number: CN202020243396.3U
Authority: CN
Inventors: 闫龙飞
Original assignee: Nanjing Core Automation Co ltd
Current assignee: Nanjing Core Automation Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27
Anticipated expiration: 2030-03-03

Abstract

The utility model provides a but governing valve of automatically regulated velocity of flow, includes the valve body, the valve body includes the valve barrel, the upper portion of valve barrel is rotated and is equipped with the butterfly plate, the sliding of butterfly plate below is equipped with the supporting shoe, and is connected with reset spring between supporting shoe and the valve barrel, run through threaded connection has the screw rod on the supporting shoe, the upper end fixedly connected with valve plug of screw rod, the inner wall integrated into one piece of valve barrel has the valve plug holding surface, can dismantle the sealing washer on the valve plug holding surface, the utility model discloses when using, rotate the initial position of screw rod regulation well valve plug earlier, then open the butterfly plate and open the valve body can, along with the continuous reduction of the liquid volume in the liquid container, water pressure slowly reduces, and the pressure that the valve plug received is littleer, that is the pressure that the supporting shoe received is littleer, under reset spring's elasticity effect, upwards slides, increases the velocity, the compensation effect is achieved.

Description

Regulating valve capable of automatically regulating flow rate

Technical Field

The utility model relates to the technical field of valves, specifically be a but governing valve of automatically regulated velocity of flow.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The valve in the prior art is generally controlled by human, and needs to be manually adjusted again when the flow rate needs to be adjusted, under certain conditions, for example, when liquid in a container is discharged, the hydraulic pressure in the container is reduced along with the reduction of the liquid amount in the container, and the flow rate of the liquid passing through the valve is reduced along with the reduction of the liquid amount in the container, and during quantitative charging, the reduction of the flow rate can reduce the addition amount of the material in the same time, so that the requirement of quantitative charging is not met, and therefore an adjusting valve capable of automatically adjusting the flow rate is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming the defects of the prior art, the utility model provides a but governing valve of automatically regulated velocity of flow is used for solving above-mentioned problem.

In order to realize the above purpose, the utility model relates to a but governing valve of automatically regulated velocity of flow, the power distribution valve comprises a valve body, the valve body includes a valve section of thick bamboo, the upper portion of a valve section of thick bamboo is rotated and is equipped with the butterfly plate, the butterfly plate below slides and is equipped with the supporting shoe, and is connected with reset spring between supporting shoe and the valve section of thick bamboo, it has the screw rod to run through threaded connection on the supporting shoe, the upper end fixedly connected with valve plug of screw rod, the inner wall integrated into one piece of a valve section of thick bamboo has the valve plug holding surface, can.

Furthermore, the inner wall embedding of valve section of thick bamboo is equipped with the recess, the inner wall embedding of recess is equipped with vertical spout, the side integrated into one piece of supporting shoe has the slider, slider and spout sliding connection.

Further, the surface of valve plug holding surface is equipped with the seal groove, the sealing washer is placed in the seal groove, there is the end cover seal the top of seal groove through bolted connection, the sealing washer presss from both sides between seal groove and end cover seal.

Furthermore, a connecting ring is integrally formed at the upper end of the valve body, and a connecting hole penetrates through the connecting ring.

Furthermore, a second sealing groove is embedded in the surface of the connecting ring.

Has the advantages that:

1. when the utility model is used, the screw rod is firstly rotated to adjust the initial position of the valve plug, then the butterfly plate is opened to open the valve body, along with the continuous reduction of the liquid amount in the liquid container, the water pressure is slowly reduced, the pressure on the valve plug is smaller, namely the pressure on the supporting block is smaller, under the elastic action of the reset spring, the valve plug slides upwards to increase the flow velocity of the liquid, the reduction of the flow velocity caused by the reduction of the water pressure in the container is avoided, and the compensation effect is achieved;

2. the lower end of the valve plug is fixedly provided with the screw rod which is in threaded connection with the supporting block, when the flow velocity needs to be adjusted, the butterfly plate can be rotated to close the valve body, and then the screw rod is rotated to adjust the flow velocity;

3. the utility model discloses a setting of sealing washer, when closing the valve body, the butterfly plate can play the one deck seal effect, and valve plug holding surface in close contact with compress tightly the sealing washer, play two layers of seal effects, effectively improve sealed effect.

Drawings

Fig. 1 is a schematic structural diagram of a regulating valve capable of automatically regulating flow rate according to the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a support block in a regulating valve capable of automatically regulating flow rate according to the present invention.

Detailed Description

The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used for explaining and explaining the present invention, but not for limiting the scope of the present invention. The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Referring to fig. 1 to 3, the present invention relates to a regulating valve capable of automatically regulating flow rate, including a valve body 1, the valve body 1 includes a valve cylinder 2, the upper portion of the valve cylinder 2 is rotatably provided with a butterfly plate, the butterfly plate is prior art, the opening and closing of the valve body 1 can be controlled by rotating the butterfly plate, which will not be described herein, the lower portion of the butterfly plate is slidably provided with a supporting block 3, a return spring 4 is connected between the supporting block 3 and the valve cylinder 2, a screw rod 5 is connected on the supporting block 3 through a through thread, the upper end of the screw rod 5 is fixedly connected with a valve plug 6, the inner wall of the valve cylinder 2 is integrally formed with a valve plug supporting surface 7, the valve plug 6 slides downwards, the gap between the valve plug 6 and the valve plug supporting surface 7 is smaller, the flow rate is smaller, a sealing ring 8 is detachably connected on the valve plug supporting surface 7, the valve body 1 can be installed at the lower, then open the butterfly plate and open valve body 1 can, along with the continuous reduction of the liquid volume in the liquid container, water pressure slowly reduces, the pressure that valve plug 6 received is less, the pressure that supporting shoe 3 received is less promptly, under reset spring 4's elastic force effect, valve plug 6 upwards slides, increase the velocity of flow of liquid, can not lead to the reduction of velocity of flow because of water pressure reduces in the container, play the effect of compensation, screw rod 5 runs through supporting shoe 3, and the fixed carousel that is equipped with of lower extreme of screw rod 5, when the velocity of flow needs to be adjusted, can rotate the butterfly plate earlier and close valve body 1, then rotate screw rod 5 and can adjust the velocity of flow.

The inner wall embedding of valve section of thick bamboo 1 is equipped with recess 9, and the inner wall embedding of recess 9 is equipped with vertical spout, and the side integrated into one piece of supporting shoe 3 has slider 10, slider 10 and spout sliding connection, through the setting of spout and slider 10, stability when can improving slider 10 and slide.

The surface of valve plug holding surface 7 is equipped with the seal groove, and sealing washer 8 is placed in the seal groove, and there is end cover 11 top of seal groove through bolted connection, and sealing washer 8 presss from both sides between seal groove and end cover 11, through the setting of sealing washer 8, when closing valve body 1, the butterfly plate can play the one deck sealing effect, and 7 in close contact with of valve plug 6 and valve plug holding surface and compress tightly the sealing washer, plays two layers of sealing effect, effectively improves sealed effect.

The upper end integrated into one piece of valve body 1 has the go-between, runs through on the go-between and is equipped with connecting hole 12, and the surface embedding of go-between is equipped with second seal groove 13, and valve body 1 and liquid container (not shown in the figure) can flange joint, and flange joint is prior art, can place sealed the pad in the second seal groove 13, increases the leakproofness of connecting, when needs are sealed the pad and is sealed 8 to change, can dismantle valve body 1.

The working principle is as follows: the utility model discloses when using, rotate screw rod 5 earlier and adjust the initial position of good valve plug 6, then open the butterfly plate open valve body 1 can, along with the continuous reduction of liquid volume in the liquid container, water pressure slowly reduces, the pressure that valve plug 6 received is less, the pressure that supporting shoe 3 received is less promptly, under reset spring 4's elastic action, valve plug 6 upwards slides, increase the velocity of flow of liquid, can not lead to the reduction of the velocity of flow because water pressure reduces in the container, play the effect of compensation, the fixed screw rod 5 that is equipped with of lower extreme of valve plug 6, screw rod 5 and 3 threaded connection of supporting shoe, when the velocity of flow is adjusted to needs, can rotate the butterfly plate earlier and close valve body 1, then rotate screw rod 5 and can adjust the velocity of flow.

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

1. The utility model provides a governing valve that can automatically regulated velocity of flow, includes valve body (1), its characterized in that, valve body (1) is including valve barrel (2), the upper portion of valve barrel (2) is rotated and is equipped with the butterfly plate, the butterfly plate below slides and is equipped with supporting shoe (3), and is connected with reset spring (4) between supporting shoe (3) and valve barrel (2), it has screw rod (5) to run through threaded connection on supporting shoe (3), the upper end fixedly connected with valve plug (6) of screw rod (5), the inner wall integrated into one piece of valve barrel (2) has valve plug holding surface (7), can dismantle on valve plug holding surface (7) and be connected with sealing washer (8).

2. The regulating valve capable of automatically regulating flow rate according to claim 1, characterized in that the inner wall of the valve cylinder (2) is embedded with a groove (9), the inner wall of the groove (9) is embedded with a vertical sliding groove, the side surface of the supporting block (3) is integrally formed with a sliding block (10), and the sliding block (10) is slidably connected with the sliding groove.

3. A regulating valve capable of automatically regulating flow rate according to claim 1, characterized in that the surface of the valve plug support surface (7) is provided with a sealing groove, the sealing ring (8) is placed in the sealing groove, a sealing end cover (11) is connected above the sealing groove through bolts, and the sealing ring (8) is clamped between the sealing groove and the sealing end cover (11).

4. The regulating valve capable of automatically regulating the flow rate according to claim 1, wherein the upper end of the valve body (1) is integrally formed with a connecting ring, and the connecting ring is provided with a connecting hole (12) in a penetrating way.

5. The regulating valve capable of automatically regulating the flow rate as claimed in claim 4, wherein the surface of the connecting ring is embedded with a second sealing groove (13).