CN110762261A - Multifunctional Industrial Valve - Google Patents

Abstract

The invention relates to the technical field of valves, in particular to a multifunctional industrial valve which comprises a valve body and an adjusting piece arranged above the valve body, wherein a liquid inlet is formed in one end of the valve body, a liquid outlet is formed in the other end of the valve body, a filter element used for filtering liquid inlet is arranged in the liquid inlet of the valve body, and a valve clack used for preventing backflow is arranged in the liquid outlet of the valve body. The filter core is used for filtering the feed liquor, guarantees the purity of feed liquor, the setting of valve clack effectively prevents the liquid backward flow.

Description

Multifunctional Industrial Valve

technical field

The invention relates to the technical field of valves, in particular to a multifunctional industrial valve.

Background technique

Among various types of valves, the gate valve is the most widely used one. Gate valve refers to a valve whose closing member (gate) moves along the vertical direction of the channel axis to achieve the purpose of opening or closing. Its sealing structure is mainly a hard seal. During the use of the gate valve with the usual structure, there are many impurities in the medium in the pipeline, which will easily damage the sealing pair. In the process of stopping the pump, the backflow of the medium in the pipeline will also damage the sealing pair. It is more and more difficult to meet the needs of production with a single function valve.

SUMMARY OF THE INVENTION

In order to solve the technical problems existing in the above-mentioned prior art, the present invention provides a multifunctional industrial valve. This product is improved on the basis of the original gate valve structure, and a filter and a non-return structure are added to make the gate valve integrated, which is very convenient. .

The technical scheme adopted by the present invention to solve its technical problems is:

A multifunctional industrial valve, comprising a valve body and an adjustment piece installed above the valve body, one end of the valve body is provided with a liquid inlet, the other end of the valve body is provided with a liquid outlet, and the liquid inlet of the valve body The inside of the port is provided with a filter element for filtering the incoming liquid, and the inside of the liquid outlet of the valve body is provided with a valve flap for preventing backflow. The filter element is used to filter the incoming liquid to ensure the purity of the incoming liquid, and the setting of the valve disc can effectively prevent the backflow of the liquid.

Further, a top cover for disassembly of the filter element is also installed on one side of the valve body of the liquid inlet, and a pressure relief valve is installed on the top cover to facilitate disassembly and replacement of the filter element.

Further, the connection between the valve disc and the valve body is provided with a gasket for keeping the connection well sealed, and the sealing of the liquid outlet during backflow prevention is maintained. A spring is installed at the connection between the flap and the shroud to assist the liquid check. The auxiliary disc returns to the valve body.

Preferably, the shroud is tapered, and one end of the shroud is welded and fixed on the inner wall of the liquid outlet.

Preferably, the liquid inlet and the liquid outlet are flange structures, which is convenient for the connection between the valve body and the pipeline to communicate with the liquid.

The adjusting member includes a valve stem, a middle gasket, a valve cover, a packing, a packing gland, a valve stem nut and a handwheel, one end of the valve stem is connected with a gate, and the gate is inserted and installed in the valve seat, The valve seat is integrally mounted on the valve body body, a valve cover is connected above the valve body on the outside of the valve stem, the connection between the valve cover and the valve body is cushioned with a middle gasket seal, and one end of the valve stem is A handwheel is connected after the part passes through the valve cover. By controlling the handwheel to change the position of the gate, the flow and flow rate of the incoming liquid are controlled.

Further, the connection between the valve stem and the valve cover is sealed by packing, and a packing gland is detachably installed above the packing, and the packing gland and the packing help to improve the tightness of the connection between the valve stem and the valve cover.

Preferably, the fillers are soft fillers such as plant fiber fillers/asbestos fiber fillers/flexible graphite to increase the sealing properties of the fillers.

Further, the handwheel is locked and fixed by the valve stem nut and the valve stem.

Further, a sealing gasket is provided at the connection between the gate plate and the valve seat, so that when the gate plate is completely lowered, the liquid inflow is completely blocked, and the accuracy of the flow control of the gate valve is improved.

Compared with the prior art, the beneficial effects of the present invention are:

The multifunctional industrial valve product of the invention can reduce the damage to the sealing pair of the gate valve caused by impurities in the pipeline, and effectively improve the service life of the gate valve. And the installation is convenient, so that the pipeline that needs to be equipped with multiple valves can be realized with only one valve, which reduces the leakage point of the pipeline, saves the installation time, and improves the work efficiency.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Figure 1 is a schematic structural diagram of the present invention.

In the figure: 1, valve body, 2, liquid inlet, 3, liquid outlet, 4, valve stem, 5, middle gasket, 6, valve cover, 7, packing, 8, packing gland, 9, valve stem Nut, 10, Handwheel, 11, Gasket, 12, Top cover, 13, Pressure relief valve, 14, Filter element, 15, Disc, 16, Spring, 17, Diversion cover, 18, Valve seat, 19, Gate plate.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. Also, unless otherwise defined, technical or scientific terms used herein should have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first", "second" and similar terms used in the description of the patent application and the claims of the present invention do not denote any order, quantity or importance, but are only used to distinguish different components. Likewise, words such as "a" or "an" do not necessarily imply a limitation of quantity. "Comprising" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to indicate the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Example 1

As shown in FIG. 1 , the multifunctional industrial valve designed by the present invention includes a valve body 1 and an adjusting member A installed above the valve body 1 . One end of the valve body 1 is provided with a liquid inlet 2 , and the other side of the valve body One end is provided with a liquid outlet 3, the liquid inlet 2 of the valve body is provided with a filter element 14 for filtering incoming liquid, and the liquid outlet 3 of the valve body is provided with a valve flap 15 for backflow prevention. The filter element 14 is used to filter the incoming liquid to ensure the purity of the incoming liquid, and the setting of the valve flap 15 can effectively prevent the liquid from flowing back.

Preferably, the filter element 14 is a water filter element, and the main filtering component of the filter element is activated carbon.

Further, a top cover 12 for disassembling the filter element is also installed on one side of the valve body 1 of the liquid inlet 2, and a pressure relief valve 13 is installed on the top cover 12 to facilitate disassembly of the top cover, so as to facilitate the disassembly of the filter element 14. and replacement.

Further, the connection between the valve flap 15 and the valve body 1 is provided with a sealing gasket 11 for keeping the connection well sealed to maintain the sealing of the liquid outlet during backflow prevention, and the valve flap 15 is installed on the guide cover 17. Above, the connection between the valve flap 15 and the guide cover 17 is installed with a spring 16 for assisting the liquid check. The auxiliary disc returns to the valve body.

Preferably, the guide cover 17 is tapered, and one end of the guide cover 17 is welded and fixed on the inner wall of the liquid outlet.

Preferably, the liquid inlet 2 and the liquid outlet 3 are both flange structures, which facilitates the connection between the valve body 1 and the pipeline to communicate with each other.

As shown in FIG. 1 , the adjusting member A includes a valve stem 4, a middle gasket 5, a valve cover 6, a packing 7, a packing gland 8, a valve stem nut 9 and a handwheel 10, and one end of the valve stem 4 is connected to There is a gate 19, the gate 19 is inserted into the valve seat 18, the valve seat 18 is integrally installed on the valve body 1 body, and the valve cover 6 is connected above the valve body 1 outside the valve stem 4, The connection between the valve cover 6 and the valve body 1 is cushioned with a middle gasket 5 to seal, and one end of the valve stem 4 is connected to the handwheel 10 after passing through the valve cover 6 . By controlling the handwheel to change the position of the gate 19, the flow rate and flow rate of the incoming liquid are controlled.

Further, the connection between the valve stem 4 and the valve cover 6 is sealed by the packing 7, and the packing gland 8 is detachably installed above the packing 7. The packing gland 8 and the packing 7 help to improve the valve stem 4 and the The tightness of the bonnet 6 joint.

Preferably, the filler 7 is a soft filler such as vegetable fiber filler/asbestos fiber filler/flexible graphite to increase the sealing property of the filler, and the filler in this embodiment adopts vegetable fiber filler.

Further, the handwheel 10 is locked and fixed by the valve stem nut 9 and the valve stem.

Further, the connection between the gate 19 and the valve seat 18 is provided with a sealing gasket, so that when the gate 19 is completely lowered, the liquid inflow is completely blocked, thereby improving the accuracy of the flow control of the gate valve.

Embodiment 2

The multifunctional industrial valve designed by the present invention includes a valve body 1 and an adjusting member A installed above the valve body 1. One end of the valve body 1 is provided with a liquid inlet 2, and the other end of the valve body is provided with a liquid outlet. Port 3, the inside of the liquid inlet 2 of the valve body 1 is provided with a filter element 14 for filtering the liquid inlet, and the inside of the liquid outlet 3 of the valve body 1 is a hollow structure. And realize the forward and reverse double-pass function of the valve.

Embodiment 3

The multifunctional industrial valve designed by the present invention includes a valve body 1 and an adjusting member A installed above the valve body 1. One end of the valve body 1 is provided with a liquid inlet 2, and the other end of the valve body 1 is provided with an outlet. The liquid port 3, the inside of the liquid inlet 2 of the valve body 1 is a hollow structure, and the inside of the liquid outlet 3 of the valve body 1 is provided with a valve flap 15 for preventing backflow. This setting can realize the functions of cut-off and one-way through of the valve.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The multifunctional industrial valve is characterized by comprising a valve body and an adjusting piece arranged above the valve body, wherein one end part of the valve body is provided with a liquid inlet, and the other end part of the valve body is provided with a liquid outlet;

the regulating part includes valve rod, well gasket, valve gap, filler, gland, valve-stem nut and hand wheel, a valve rod end connection has the flashboard, the flashboard inserts and installs in the disk seat, the disk seat integral type is installed on the valve body, the valve body top in the valve rod outside is connected with the valve gap, the junction pad of valve gap and valve body has well gasket to seal, a tip of valve rod is connected with the hand wheel after passing the valve gap.

2. The multi-functional industrial valve of claim 1 wherein the junction of the valve stem and the valve cover is sealed by a packing over which a packing gland is removably mounted.

3. The multi-functional industrial valve of claim 1 wherein the hand wheel is secured in place by a stem nut and stem lock.

4. The multi-functional industrial valve of claim 1 wherein the inlet port of the valve body is internally provided with a filter element for filtering the inlet fluid.

5. The multifunctional industrial valve as claimed in claim 4, wherein a top cover for disassembling the filter element is further installed on the valve body on one side of the liquid inlet, and a pressure relief valve for facilitating the disassembly of the top cover is installed on the top cover.

6. The multifunctional industrial valve as claimed in claim 1, wherein the valve body is provided with a valve flap for preventing backflow inside the liquid outlet, and a sealing gasket for maintaining good sealing at the joint is provided at the joint of the valve flap and the valve body.

7. The multi-functional industrial valve of claim 6 wherein the flap is mounted to the pod and a spring is mounted at the junction of the flap and the pod to assist in the check of the liquid.

8. The multi-functional industrial valve of claim 7 wherein the baffle is conical and an end of the baffle is welded to an inner wall of the outlet.

9. The multi-functional industrial valve of claim 1 wherein the inlet and outlet ports are of flanged construction.

10. The multi-functional industrial valve of claim 1 wherein the junction of the gate and valve seat is provided with a gasket.

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