CN208138550U

CN208138550U - A kind of open ball valve of disk with a scale

Info

Publication number: CN208138550U
Application number: CN201721860593.4U
Authority: CN
Inventors: 陈建海
Original assignee: KAIST VALVE GROUP CO Ltd
Current assignee: KAIST VALVE GROUP CO Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2018-11-23
Anticipated expiration: 2027-12-27

Abstract

A kind of open ball valve of disk with a scale, including valve body, valve deck, sphere, valve rod and valve seat, the top of valve body is connected with actuator, actuator is connected with worm gear case and turntable, actuator is equipped with dial, the disk of dial is equipped with pointer, it is divided into 4 regions on dial, each region is separated by 22.5 °, turntable is direct-connected worm screw, the worm gear matched with worm screw is equipped in dial, upper valve rod passes through the upper end concatenation pointer of worm gear and upper valve rod, and turntable adjusts the rotational angle of sphere by Worm Wheel System.The utility model uses by-passing valve, can play leading role, and valve is more labor-saving when opening；Turntable and dial pass through a worm gear respectively and the both ends of worm screw connect, the rotational angle of sphere can be adjusted by turntable, and then adjust the opening degree of open ball valve, since Worm Wheel System has self-locking characteristic, it can maintain the stabilization of sphere, ball valve is set to can control flow, dial can intuitively reflect the opening and closing degree of ball valve.

Description

A kind of open ball valve of disk with a scale

Technical field

The utility model belongs to valve technology field, in particular to a kind of open ball valve of disk with a scale.

Background technique

Ball valve is generally water purification unlatching, and there are pressure differences for valve front and back, causes valve opening torque excessive, will appear when in use The problems such as contact surface of sphere and valve seat sharply wears and pulls, causes the leakage of valve, shortens the service life of valve.And It current ball valve or fully opens or completely closes, it is difficult to which the state in half-open semi-closure, it is even more impossible to observe opening and closing journey Degree, cannot control the flow of fluid.

Utility model content

The utility model is in view of the above-mentioned problems, provide a kind of open ball valve of disk with a scale, it is intended to solve the above problems.

The purpose of this utility model can be realized by following technical proposals：A kind of open ball valve of disk with a scale, Including valve body, valve deck, sphere, valve rod and valve seat；The top of the valve body is connected with actuator, actuator be connected with worm gear case and Turntable；There is the channel of left and right connection, valve deck is connected to the inside and the channel left side of the left side of valve body and valve deck in the valve body Connection, sphere are set in channel, and valve deck and valve body all have the spherical surface matched with sphere；The valve seat include left valve seat and Right valve seat, left valve seat are set in valve deck and are located at the connectivity part inside valve deck with valve body internal channel, a left side for left valve seat and sphere Face matches, and the right valve seat is set to the right side in channel and being located at sphere, and right valve seat is matched with the right side of sphere；It is described Valve rod includes upper valve rod and lower valve rod, and the upper surface of described sphere offers the upper slot matched with upper valve rod, under upper valve rod End is inserted into upper slot, and upper valve rod is passed through out of valve body and in actuator upwards, and the upper end of upper valve rod is connect with actuator；Sphere Below offer the lower slot matched with lower valve rod, the upper end of lower valve rod is inserted into lower slot, and the lower end of lower valve rod is equipped with Silently, it silently covers the lower end of lower valve rod and is connect with the lower surface of valve body；Axle sleeve and pressure are equipped in the top of the valve body Lid, the axle sleeve and gland are sheathed on upper valve rod, and gland compresses axle sleeve, are then connected by the top of screw and valve body； It further include by-passing valve, the by-passing valve is set to the side of valve deck and valve body, and one end of by-passing valve and the side of valve deck connect, other The other end of port valve and the side of valve body connect, and are connected to inside the inside of by-passing valve and the intracorporal channel of valve, valve deck；The valve deck It is connected with the left side of valve body by the first stud and the cooperation of the first nut, it is described silently to pass through with the lower surface of valve body Second stud and the cooperation of the second nut are connected；Between the left valve seat and the left side of the sphere and right side of right valve seat and sphere Sealing ring is equipped between face；The turntable rotates on vertical plane；The actuator is equipped with dial, the disk of dial It is equipped with pointer, turntable is connected with one end of worm screw by the first worm gear in worm gear case, is equipped in dial another with worm screw The second worm gear that one end matches, upper valve rod is connect with the second worm gear and the upper end concatenation pointer of upper valve rod, turntable pass through worm gear Worm-drive adjusts the rotational angle of sphere.

Further, 4 regions are divided on the dial, each region is separated by 22.5 °.

The beneficial effects of the utility model：Valve deck and valve body exterior lateral sides are equipped with by-passing valve, first open side before opening valve Port valve is connected to sphere two sides, and by-passing valve plays leading role, and torque is reduced when such valve is then turned on, more labor-saving, extends its use Service life；Turntable and dial pass through a worm gear respectively and are connected with the both ends of the worm screw of worm gear case, can adjust ball by turntable The rotational angle of body, and then the opening degree of open ball valve is adjusted, since Worm Wheel System has self-locking characteristic, in this way The stabilization that can maintain sphere makes ball valve have the function of controlling flow, sets that there are four gears on dial, can more intuitively reflect The opening and closing degree of ball valve out, to facilitate control.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the utility model.

Fig. 2 is the external structure schematic diagram of the utility model.

Fig. 3 be Fig. 1 in A to structural schematic diagram.

Part numbers are as follows in figure：

1 valve body

2 valve decks

3 spheres

4 upper valve rods

5 lower valve rods

6 left valve seats

7 right valve seats

8 actuators

9 by-passing valves

10 turntables

Slot on 11

12 lower slots

13 axle sleeves

14 glands

15 silently

16 sealing rings

17 first studs

18 first nuts

19 second studs

20 second nuts

21 worm gear cases

22 dials

23 pointers

24 worm screws.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, becomes apparent from those skilled in the art How ground understanding practices the utility model.Although describing the utility model in conjunction with its preferred embodiment, these Embodiment only illustrates, rather than limits the scope of the utility model.

Referring to Fig. 1 to Fig. 2, an embodiment of the open ball valve of the utility model disk with a scale, including valve body 1, valve deck 2, sphere 3, valve rod and valve seat；The top of the valve body 1 is connected with actuator 8, and actuator 8 is connected with worm gear case 21 and turntable 10；The interior channel with left and right connection of the valve body 1, valve deck 2 are connected to the inside and a channel left side on the left side of valve body 1 and valve deck 2 Face connection, sphere 3 are set in channel, and valve deck 2 and valve body 1 all have the spherical surface matched with sphere 3；The valve seat includes a left side Valve seat 6 and right valve seat 7, left valve seat 6 are set in valve deck 2 and are located at the connectivity part of 2 inside and 1 internal channel of valve body of valve deck, left valve Seat 6 is matched with the left side of sphere 3, and the right valve seat 7 is set to the right side in channel and being located at sphere 3, right valve seat 7 and sphere 3 right side matches；The valve rod includes upper valve rod 4 and lower valve rod 5, and the upper surface of described sphere 3 is offered to match with upper valve rod 4 The upper slot 11 closed, the lower end of upper valve rod 4 are inserted into upper slot 11, and upper valve rod 4 is passed through out of valve body 1 and in actuator 8 upwards, The upper end of upper valve rod 4 is connect with actuator 8；The lower slot 12 matched with lower valve rod 5, lower valve rod are offered below sphere 3 5 upper ends be inserted into lower slot 12, the lower end of lower valve rod 5 is equipped with silently 15, silently 15 lower end and and the valve body for covering lower valve rod 5 1 lower surface connection；Axle sleeve 13 and gland 14 are equipped in the top of the valve body 1, the axle sleeve 13 and gland 14 are arranged In on upper valve rod 4, gland 14 compresses axle sleeve 13, is then connect by screw with the top of valve body 1.

It further include by-passing valve 9, the by-passing valve 9 is set to the side of valve deck 2 and valve body 1, one end of by-passing valve 9 and valve deck 2 side connection, the other end of by-passing valve 9 are connect with the side of valve body 1, the inside and the channel in valve body 1, valve of by-passing valve 9 It is connected to inside lid 2.

The valve deck 2 is connected with the left side of valve body 1 by the first stud 17 and the cooperation of the first nut 18, described bored First 15 are connected with the lower surface of valve body 1 by the second stud 19 and the cooperation of the second nut 20.

Sealing ring 16 is equipped between the left valve seat 6 and the left side of sphere 3 and between right valve seat 7 and the right side of sphere 3.

The turntable 10 rotates on vertical plane.

By-passing valve 9 is first opened before ball valve is opened, and is connected to 3 two sides of sphere, and by-passing valve 9 plays leading role, such ball valve Torque is reduced when being then turned on, more labor-saving.

Referring to Fig. 3, the actuator 8 is equipped with dial 22, and the disk of dial 22 is equipped with pointer 23, dial 22 On be divided into 4 regions, each region is separated by 22.5 °, i.e., 0-90 °, the rotational angle of sphere 3 can be adjusted by turntable 10, into And adjust the opening degree of open ball valve.When pointer 23 along clockwise to 90 ° when, ball valve is completely in closed state, at this moment Pointer 23 be directed toward 90 °, i.e. CLOSE；When pointer 23 points to 0 ° counterclockwise, should to point out pointer 23 be directed toward 0 ° when, i.e. OPEN, Ball valve is in fully open state；Different angle is opened in different angles.Wherein, turntable 10 passes through first in worm gear case 21 Worm gear is connected with one end of worm screw 24, is equipped with the second worm gear matched with the other end of worm screw 24, upper valve rod 4 in dial 22 It is connect with the second worm gear and the upper end concatenation pointer 23 of upper valve rod 4, Worm Wheel System has self-locking characteristic, it in this way can be more preferable The stabilization of ground maintenance sphere 3.The first worm gear and the second worm gear is not shown in the figure.

It should be pointed out that can also have a variety of transformation and the implementation of remodeling for the utility model through absolutely proving Scheme, it is not limited to the specific embodiment of above embodiment.Above-described embodiment as just the utility model explanation, and It is not limitations of the present invention.In short, the protection scope of the utility model should include those for ordinary skill It obviously converts or substitutes and retrofit for personnel.

Claims

1. a kind of open ball valve of disk with a scale, which is characterized in that including valve body, valve deck, sphere, valve rod and valve seat；It is described The top of valve body is connected with actuator, and actuator is connected with worm gear case and turntable；There is the channel of left and right connection in the valve body, Valve deck is connected to the left side of valve body and the inside of valve deck and is connected to the channel left side, and sphere is set in channel, and valve deck and valve body are equal With the spherical surface matched with sphere；The valve seat includes left valve seat and right valve seat, and left valve seat is set in valve deck and is located at valve The internal connectivity part with valve body internal channel of lid, left valve seat are matched with the left side of sphere, the right valve seat be set in channel and Positioned at the right side of sphere, right valve seat is matched with the right side of sphere；The valve rod includes upper valve rod and lower valve rod, the sphere The upper slot matched with upper valve rod is offered above, and the lower end of upper valve rod is inserted into upper slot, and upper valve rod is upwards out of valve body It is passed through in actuator, the upper end of upper valve rod is connect with actuator；The underthrust matched with lower valve rod is offered below sphere Slot, the upper end of lower valve rod are inserted into lower slot, and the lower end of lower valve rod is equipped with the lower end for silently silently covering lower valve rod and and valve body Lower surface connection；Axle sleeve and gland are equipped in the top of the valve body, the axle sleeve and gland are sheathed on upper valve rod, Gland compresses axle sleeve, is then connected by the top of screw and valve body；Further include by-passing valve, the by-passing valve be set to valve deck and The side of valve body, one end of by-passing valve and the side of valve deck connect, and the other end of by-passing valve and the side of valve body connect, by-passing valve Inside and the intracorporal channel of valve, be connected to inside valve deck；The left side of the valve deck and valve body passes through the first stud and first Nut cooperation is connected, described to be silently connected with the lower surface of valve body by the second stud and the cooperation of the second nut； Sealing ring is equipped between the left valve seat and the left side of sphere and between right valve seat and the right side of sphere；The turntable is vertical It is rotated on face；The actuator is equipped with dial, and the disk of dial is equipped with pointer, and turntable passes through first in worm gear case Worm gear is connected with one end of worm screw, is equipped with the second worm gear matched with the other end of worm screw, upper valve rod and second in dial The upper end concatenation pointer of worm gear connection and upper valve rod, turntable adjust the rotational angle of sphere by Worm Wheel System；It is described It is divided into 4 regions on dial, each region is separated by 22.5 °.