CN207278940U - A kind of tee ball valve - Google Patents

Abstract

The utility model discloses a three-way ball valve, which comprises a T-shaped valve body, a valve cover is arranged on the top of the T-shaped valve body, gaskets are arranged on both sides of the bottom of the valve cover, the valve cover and the T-shaped valve body One side is provided with a first installation hole, and a bolt is provided in the first installation hole, a nut is provided on the top of the bolt, a dirt tank is provided at the bottom of the valve cover, and a A is provided on one side of the T-shaped valve body. The runner and the other side are provided with a B runner. The utility model is equipped with a sewage discharge tank and a sewage storage tank, which is beneficial to conveniently open the valve cover to clean up the dirt, avoiding the pollution of the water source or the conveying liquid caused by the accumulation of too much dirt when the ball valve is used for a long time, and the cross section of the sphere is set as a chamfered cuboid, It is beneficial to reduce the volume of the ball, thereby reducing the opening force of the valve stem, and reducing the resistance during rotation. The ball and the sealing ring cooperate with each other, and the sealing effect is good. The section of the valve stem is set as a rhombus, which is conducive to increasing the valve stem to drive the ball. Rotate the torque, reduce the use of force.

Description

A three-way ball valve

technical field

The utility model relates to the field of three-way ball valves, in particular to a three-way ball valve.

Background technique

Through ball valve is a relatively new type of ball valve. It has some advantages unique to its own structure, and is widely used in petroleum, chemical, urban water supply and drainage and other working conditions that require strict cut-off. The working principle of the three-way ball valve is to cut off, distribute and change the flow direction of the medium by rotating the valve core to control the valve. The ball valve is easy to switch, small in size, can be made into a large diameter, reliable in sealing, simple in structure, convenient in maintenance, and the sealing surface and spherical surface are often in a closed state, which is not easy to be eroded by the medium, and has been widely used in various industries.

However, the three-way ball valves currently produced on the market have the problems of poor circulation of the ball valve and easy slippage when opening and closing the ball valve.

Therefore, it is necessary to invent a kind of three-way ball valve to solve the above problems.

Utility model content

The purpose of this utility model is to provide a three-way ball valve to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a three-way ball valve, including a T-shaped valve body, a valve cover is provided on the top of the T-shaped valve body, and gaskets are provided on both sides of the bottom of the valve cover. A first mounting hole is provided on one side of the bonnet and the T-shaped valve body, a bolt is provided in the first mounting hole, a nut is provided on the top of the bolt, a dirt tank is provided at the bottom of the bonnet, and the T One side of the T-shaped valve body is provided with a channel A and the other side is provided with a B channel. The bottom of the T-shaped valve body is provided with a C channel. The T-shaped valve body is provided with a ball inside. The A channel, The ends of the B channel and the C channel are equipped with sealing rings, the top of the ball is provided with a sewage tank, the side of the ball is provided with a valve stem, the outside of the valve stem is provided with packing, and the bottom of the packing is provided with a packing The pad and the top are provided with a packing gland, and the top of the packing gland is provided with an indicator plate, and the two sides of the packing gland are provided with second mounting holes, and the second mounting holes are provided with hexagon socket head screws.

Preferably, the packing gland is sleeved on the outside of the valve stem.

Preferably, the indicator is ring-shaped and sleeved on the outside of the valve stem, and an indicator arrow is arranged on the indicator.

Preferably, the cross-section of the valve stem is set as a rhombus.

Preferably, the valve stem includes a T-shaped part, a receiving part and a long rod, the receiving part is arranged on the top of the T-shaped part, the long rod is arranged on the top of the receiving part, the packing is arranged on the top of the receiving part, the The T-shaped part is fixedly connected with the sphere.

Preferably, the sewage discharge tank corresponds to the sewage storage tank.

Preferably, the section of the sphere is set as a chamfered cuboid, and the sphere is matched with the sealing ring.

The technical effects and advantages of the utility model: 1. By providing a sewage discharge tank and a sewage storage tank, it is convenient to open the valve cover to clean up the dirt, and avoid the pollution of the water source or the transported liquid caused by the accumulation of too much dirt when the ball valve is used for a long time; 2. 1. Through the setting of packing, packing pad and packing gland, it is conducive to the good sealing effect of the ball valve. 3. Setting the cross section of the sphere as a chamfered cuboid is beneficial to reducing the volume of the sphere, thereby reducing the opening force of the valve stem, and during the rotation process Reduce resistance, the ball and the sealing ring cooperate, and the sealing effect is good; 4. The cross-section of the valve stem is set as a rhombus, which is conducive to increasing the torque of the valve stem to drive the ball to rotate, reducing the use of force, and opening and closing the ball valve easily.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a structural schematic diagram of the valve cover of the present invention.

Fig. 3 is a schematic diagram of the structure of the valve stem of the present invention.

In the figure: 1 T-shaped valve body, 2 bonnet, 3 gaskets, 4 bolts, 5 nuts, 6 dirt tanks, 7 A runners, 8 B runners, 9 C runners, 10 balls, 11 sealing rings, 12 Sewage tank, 13 Valve stem, 14 Packing, 15 Packing pad, 16 Packing gland, 17 Indicator, 18 Hexagon socket head cap screws.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a three-way ball valve as shown in Fig. 1-3, comprising a T-shaped valve body 1, a valve cover 2 is provided on the top of the T-shaped valve body 1, and two sides of the bottom of the valve cover 2 are provided with Gasket 3, the valve cover 2 and the T-shaped valve body 1 side are provided with a first installation hole, the first installation hole is provided with a bolt 4, the top of the bolt 4 is provided with a nut 5, the valve cover 2 The bottom of the T-shaped valve body 1 is provided with a dirt tank 6, one side of the T-shaped valve body 1 is provided with an A flow channel 7 and the other side is provided with a B flow channel 8, and the bottom of the T-shaped valve body 1 is provided with a C flow channel 9, The inside of the T-shaped valve body 1 is provided with a sphere 10, the ends of the A flow channel 7, the B flow channel 8 and the C flow channel 9 are all provided with a sealing ring 11, and the top of the sphere 10 is provided with a sewage tank 12, so A valve stem 13 is provided on one side of the sphere 10, and a packing 14 is provided on the outside of the valve stem 13. A packing pad 15 is provided at the bottom of the packing 14 and a packing gland 16 is provided at the top, and a packing gland 16 is provided at the top of the packing gland 16. There is an indicator plate 17, and the two sides of the packing gland 16 are provided with second installation holes, and hexagon socket head screws 18 are arranged in the second installation holes.

The packing gland 16 is sleeved on the outside of the valve stem 13, which is beneficial to the good sealing effect of the ball valve. The indicator 17 is set in a ring shape and is sleeved on the outside of the valve stem 13. The indicator 17 is provided with an indicating arrow, which is convenient Open and close the ball valve to avoid misuse caused by confusion. The cross-section of the valve stem 13 is set in a rhombus shape, which is beneficial to increase the torque when turning the valve stem 13, and switch easily. The valve stem 13 includes a T-shaped part, a receiving part and a long rod. The receiving part is arranged on the top of the T-shaped part, the long rod is arranged on the top of the receiving part, the filler 14 is arranged on the top of the receiving part, the T-shaped part is fixedly connected with the sphere 10, the sewage discharge tank 12 is connected with the sewage disposal Corresponding to the groove 6, it is convenient to open the valve cover 2 to clean up the dirt, avoiding the accumulation of too much dirt after the ball valve is used for a long time, causing pollution to the water source or the transported liquid. The volume of the ball 10 reduces the opening force of the valve stem 13 and reduces the resistance during rotation, and the ball 10 cooperates with the sealing ring 11, which is conducive to a good sealing effect.

The working principle of the utility model: when in use, because there is an indicating arrow on the indicator board 17, the method of use is clear at a glance, and errors in use are avoided. Reduce the use force, open and close the ball valve easily, the cross section of the ball 10 is set as a chamfered cuboid, which is beneficial to reduce the volume of the ball 10, thereby reducing the opening force of the valve stem 13, and reducing the resistance during the rotation process, the ball 10 and the sealing ring 11 Cooperating is also conducive to good sealing effect, and the setting of packing 14, packing pad 15 and packing gland 16 is conducive to good sealing effect of the ball valve.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (7)

1. a kind of tee ball valve, including T-valve body（1）, it is characterised in that：The T-valve body（1）Top is equipped with valve deck（2）, institute State valve deck（2）Two bottom sides are equipped with gasket（3）, the valve deck（2）With T-valve body（1）Side is equipped with the first mounting hole, and described Bolt is equipped with one mounting hole（4）, the bolt（4）Top is equipped with nut（5）, the valve deck（2）Bottom is equipped with and puts dirty groove （6）, the T-valve body（1）Side is equipped with A runners（7）And opposite side is equipped with B runners（8）, the T-valve body（1）Bottom is set There are C runners（9）, the T-valve body（1）It is internally provided with sphere（10）, the A runners（7）, B runners（8）With C runners（9）End It is equipped with sealing ring（11）, the sphere（10）Top is equipped with dirt discharge groove（12）, the sphere（10）Side is equipped with valve rod（13）, The valve rod（13）Outer cover is equipped with filler（14）, the filler（14）Bottom is equipped with Packing seat（15）And top is equipped with filler Pressing sleeve（16）, the filler pressing sleeve（16）Top is equipped with direction board（17）, the filler pressing sleeve（16）Both sides are equipped with the second installation Hole, second mounting hole is interior to be equipped with soket head cap screw（18）.

A kind of 2. tee ball valve according to claim 1, it is characterised in that：The filler pressing sleeve（16）It is sheathed on valve rod （13）It is exterior.

A kind of 3. tee ball valve according to claim 1, it is characterised in that：The direction board（17）It is arranged to annular and covers Arranged on valve rod（13）Outside, the direction board（17）It is equipped with arrow.

A kind of 4. tee ball valve according to claim 1, it is characterised in that：The valve rod（13）Section is arranged to diamond shape.

A kind of 5. tee ball valve according to claim 1, it is characterised in that：The valve rod（13）Including T words portion, carrier And stock, the carrier are arranged at the top of T words portion, the stock is arranged at the top of carrier, the filler（14）It is arranged at At the top of carrier, the T words portion and sphere（10）It is fixedly connected.

A kind of 6. tee ball valve according to claim 1, it is characterised in that：The dirt discharge groove（12）With putting dirty groove（6）Phase It is corresponding.

A kind of 7. tee ball valve according to claim 1, it is characterised in that：The sphere（10）Section is arranged to chamfering length Cube, the sphere（10）With sealing ring（11）It is engaged.