CN210830563U

CN210830563U - Two-way PVC ball valve

Info

Publication number: CN210830563U
Application number: CN201921453286.3U
Authority: CN
Inventors: 周子林
Original assignee: Zhejiang Lianjing Plastic Co ltd
Current assignee: Zhejiang Lianjing Plastic Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-23
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a two-way PVC ball valve, which comprises a valve body, an electric conduction device and a sealing device, wherein the middle part of the inner side of the valve body is provided with a valve core, the sealing device is arranged between the upper and lower outer sides of the valve core and the valve body, the middle part of the upper end of the valve core is fixedly connected with a valve rod, the middle part of the upper end of the valve body is fixedly provided with a fixed seat, the upper end of the fixed seat is provided with a rotary seat, the upper surface of the fixed seat is provided with a plurality of jacks, the rotary seat is movably inserted with an inserted rod, the lower end of the valve body is provided with the electric conduction device, the electric conduction device comprises a cylinder fixedly connected with the bottom surface of the valve body, the upper end of the cylinder is provided with an upper conducting ring and a lower conducting ring, the utility model has simple, and the locking is convenient without the help of a fixed wrench.

Description

Two-way PVC ball valve

Technical Field

The utility model relates to a ball valve specifically is a two-way PVC ball valve.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has a wide application range, is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices, and is usually completed by a ball valve in order to open and close the pipeline in the fluid transmission process.

Modern ball valves have more defects, for example, sealing device is generally installed in order to guarantee the sealing performance of valve body, but after long-term use, the easy wearing and tearing that take place of sealed pad, be difficult to guarantee the sealing performance of valve body, in addition when carrying flammable explosive fluid, in order to guarantee the security performance, need be with pipeline's static discharge, modern ball valve lacks effectual measure and derives static, and when using, if modern ball valve locks, need utilize fixed spanner, it is comparatively troublesome to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way PVC ball valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a two-way PVC ball valve comprises a valve body, a conductive device and a sealing device, wherein a flow channel which is communicated with each other from left to right is arranged in the valve body, the left side and the right side of the valve body are respectively and fixedly connected with a first shoulder and a second shoulder, the first shoulder and the second shoulder are both in circular structures, and the inner sides of the first shoulder and the second shoulder are respectively and fixedly connected with a first flange and a second flange at the outer side of the valve body; a valve core is arranged in the middle of the inner side of the valve body, and a sealing device is arranged between the upper outer side and the lower outer side of the valve core and the valve body; the sealing device comprises a sleeve, the sleeve is fixedly connected in the valve body, a first sealing gasket is sleeved in the sleeve in a sliding mode, and the first sealing gasket is fixedly connected with the bottom surface of the sleeve through a first return spring; the inner side of the first sealing gasket is provided with a slide way, a second sealing gasket is arranged in the slide way in a sliding manner, the second sealing gasket is fixedly connected with the bottom surface of the slide way through a second return spring, and the first sealing gasket and the second sealing gasket are both abutted against the outer side surface of the valve core; the middle part of the upper end of the valve core is fixedly connected with a valve rod, the upper end of the valve rod penetrates out of the valve body, and the top end of the valve rod is fixedly connected with a knob; the middle part of the upper end of the valve body is fixedly provided with a fixed seat, the upper end of the fixed seat is provided with a rotating seat, the fixed seat is rotatably connected with the middle part of the valve rod, the rotating seat is fixedly connected with the middle part of the valve rod, the upper surface of the fixed seat is provided with a plurality of insertion holes, the rotating seat is movably inserted with an insertion rod, and the insertion rod is matched with the insertion holes; the lower end of the valve body is provided with a conductive device, the conductive device comprises a cylinder fixedly connected with the bottom surface of the valve body, and the upper end of the cylinder is fixedly connected with an upper conductive ring; a lower conducting ring is arranged below the upper conducting ring, the inner side surface of the lower conducting ring is in threaded connection with the inner side surface of the cylinder, and the lower end of the lower conducting ring is fixedly connected with a plurality of conducting spikes; and a conductive wire is wound on the cylinder between the upper conductive ring and the lower conductive ring, two ends of the conductive wire are respectively connected with the upper conductive ring and the lower conductive ring in a tin soldering mode, and the conductive wire is of a multi-metal core wire structure.

Furthermore, the contact surfaces of the first sealing gasket, the second sealing gasket and the valve core are cambered surfaces.

Furthermore, the jacks are uniformly distributed along the circumference of the fixed seat.

Furthermore, conductive silica gel is coated between the upper conductive ring and the cylinder.

Furthermore, the upper conducting ring, the lower conducting ring and the conducting spikes are all made of pure copper.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the valve body is convenient to connect through the arrangement of the first shoulder, the first flange, the second shoulder and the second flange;

2. through the arrangement of the first return spring and the second return spring, the first sealing gasket and the second sealing gasket are worn in time, and the sealing performance of the sealing device can be ensured;

3. by arranging the conductive device, the influence of static electricity can be eliminated, and the safety can be ensured when flammable and explosive liquid is conveyed through a pipeline;

4. through the cooperation of inserted bar and jack, make things convenient for this ball valve to lock, do not need fixed spanner, it is very convenient to operate.

Drawings

Fig. 1 is a schematic structural diagram of a two-way PVC ball valve.

Fig. 2 is a schematic structural diagram of a sealing device in a two-way PVC ball valve.

Fig. 3 is a schematic structural diagram of a conducting device in the two-way PVC ball valve.

FIG. 4 is a top view of the mounting block of the two-way PVC ball valve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a two-way PVC ball valve comprises a valve body 3, a conductive device 13 and a sealing device 10, wherein a flow passage communicated with each other from left to right is formed in the valve body 3, the left side and the right side of the valve body 3 are fixedly connected with a first shoulder 1 and a second shoulder 12 respectively, the first shoulder 1 and the second shoulder 12 are both in a circular structure, and the inner sides of the first shoulder 1 and the second shoulder 12 are fixedly connected with a first flange 2 and a second flange 11 on the outer side of the valve body 3 respectively;

a valve core 9 is arranged in the middle of the inner side of the valve body 3, and a sealing device 10 is arranged between the upper outer side and the lower outer side of the valve core 9 and the valve body 3; the sealing device 10 comprises a sleeve 14, the sleeve 14 is fixedly connected in the valve body 3, a first sealing gasket 16 is slidably sleeved in the sleeve 14, and the first sealing gasket 16 is fixedly connected with the bottom surface of the sleeve 14 through a first return spring 15; a slide way is formed in the inner side of the first sealing gasket 16, a second sealing gasket 18 is arranged in the slide way in a sliding manner, the second sealing gasket 18 is fixedly connected with the bottom surface of the slide way through a second return spring 17, the first sealing gasket 16 and the second sealing gasket 18 are both abutted against the outer side surface of the valve core 9, and the contact surfaces of the first sealing gasket 16, the second sealing gasket 18 and the valve core 9 are both arc surfaces;

the middle part of the upper end of the valve core 9 is fixedly connected with a valve rod 5, the upper end of the valve rod 5 penetrates through the valve body 3, and the top end of the valve rod 5 is fixedly connected with a knob; a fixed seat 8 is fixedly installed in the middle of the upper end of the valve body 3, a rotating seat 6 is arranged at the upper end of the fixed seat 8, the fixed seat 8 is rotatably connected with the middle of the valve rod 5, the rotating seat 6 is fixedly connected with the middle of the valve rod 5, a plurality of insertion holes 7 are formed in the upper surface of the fixed seat 8, the insertion holes 7 are uniformly distributed along the circumference of the fixed seat 8, an insertion rod 4 is movably inserted in the rotating seat 6, and the insertion rod 4 is matched with the insertion holes 7;

the lower end of the valve body 3 is provided with a conductive device 13, the conductive device 13 comprises a cylinder 19 fixedly connected with the bottom surface of the valve body 3, the upper end of the cylinder 19 is fixedly connected with an upper conductive ring 20, and conductive silica gel is coated between the upper conductive ring 20 and the cylinder 19; a lower conductive ring 22 is arranged below the upper conductive ring 20, the inner side surface of the lower conductive ring 22 is in threaded connection with the inner side surface of the cylinder 19, the lower end of the lower conductive ring 22 is fixedly connected with a plurality of conductive spikes 23, and the upper conductive ring 20, the lower conductive ring 22 and the conductive spikes 23 are all made of pure copper; a conductive wire 21 is wound on the column 19 between the upper conductive ring 20 and the lower conductive ring 22, two ends of the conductive wire 21 are respectively connected with the upper conductive ring 20 and the lower conductive ring 22 in a soldering manner, and the conductive wire 21 is of a multi-metal core wire structure.

The utility model discloses a theory of operation is: the first shoulder 1, the first flange 2, the second shoulder 12 and the second flange 11 are arranged on two sides of the valve body 3, so that the valve body 3 can be conveniently connected, after long-term use, when the contact surfaces of the first sealing gasket 16, the second sealing gasket 18 and the valve core 9 are abraded, the first sealing gasket 16 and the second sealing gasket 18 can be always abutted against the outer side surface of the valve core 9 through the first return spring 15 and the second return spring 17, so that the sealing performance of the device is ensured, the valve rod 5 is rotated, the opening and closing of the ball valve can be completed, when the ball valve needs to be locked, the insert rod 4 can be inserted into one of the insert holes 7 to complete the locking of the ball valve, as the plurality of insert holes 7 are formed in the fixing seat 8, the insert rod 4 can be inserted into the insert holes 7 from a plurality of directions, in addition, when flammable and explosive liquid is conveyed, the conveying pipeline needs to be ensured not to be influenced by static electricity, the conducting ring 22 is screwed down, so that the conducting spikes 23 are grounded to complete conducting without winding displacement, and the conducting wire 21 adopts a multi-metal core wire structure, so that the electric wire 21 is not easy to break.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A two-way PVC ball valve comprises a valve body, a conductive device and a sealing device, and is characterized in that a flow channel which is communicated with each other from left to right is arranged in the valve body, the left side and the right side of the valve body are respectively and fixedly connected with a first shoulder and a second shoulder, the first shoulder and the second shoulder are both in circular ring structures, and the inner sides of the first shoulder and the second shoulder are respectively and fixedly connected with a first flange and a second flange at the outer side of the valve body; a valve core is arranged in the middle of the inner side of the valve body, and a sealing device is arranged between the upper outer side and the lower outer side of the valve core and the valve body; the sealing device comprises a sleeve, the sleeve is fixedly connected in the valve body, a first sealing gasket is sleeved in the sleeve in a sliding mode, and the first sealing gasket is fixedly connected with the bottom surface of the sleeve through a first return spring; the inner side of the first sealing gasket is provided with a slide way, a second sealing gasket is arranged in the slide way in a sliding manner, the second sealing gasket is fixedly connected with the bottom surface of the slide way through a second return spring, and the first sealing gasket and the second sealing gasket are both abutted against the outer side surface of the valve core; the middle part of the upper end of the valve core is fixedly connected with a valve rod, the upper end of the valve rod penetrates out of the valve body, and the top end of the valve rod is fixedly connected with a knob; the middle part of the upper end of the valve body is fixedly provided with a fixed seat, the upper end of the fixed seat is provided with a rotating seat, the fixed seat is rotatably connected with the middle part of the valve rod, the rotating seat is fixedly connected with the middle part of the valve rod, the upper surface of the fixed seat is provided with a plurality of insertion holes, the rotating seat is movably inserted with an insertion rod, and the insertion rod is matched with the insertion holes; the lower end of the valve body is provided with a conductive device, the conductive device comprises a cylinder fixedly connected with the bottom surface of the valve body, and the upper end of the cylinder is fixedly connected with an upper conductive ring; a lower conducting ring is arranged below the upper conducting ring, the inner side surface of the lower conducting ring is in threaded connection with the inner side surface of the cylinder, and the lower end of the lower conducting ring is fixedly connected with a plurality of conducting spikes; and a conductive wire is wound on the cylinder between the upper conductive ring and the lower conductive ring, two ends of the conductive wire are respectively connected with the upper conductive ring and the lower conductive ring in a tin soldering mode, and the conductive wire is of a multi-metal core wire structure.

2. The two-way PVC ball valve according to claim 1, wherein the contact surfaces of the first and second gaskets with the valve core are both cambered surfaces.

3. A two way PVC ball valve according to claim 1, wherein said receptacles are evenly distributed along the circumference of the holder.

4. A two-way PVC ball valve according to claim 1, wherein the upper conductive ring and the cylinder are coated with conductive silicone.

5. The two-way PVC ball valve according to claim 1, wherein the upper conductive ring, the lower conductive ring and the conductive spikes are all made of pure copper.