CN210661623U

CN210661623U - Locking ball valve

Info

Publication number: CN210661623U
Application number: CN201921059053.5U
Authority: CN
Inventors: 潘贤参
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-06-02
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a locking ball valve relates to valve technical field, and its technical scheme main points are: the locking device comprises a valve body, a ball core, a valve rod and a handle knob, wherein a first placing groove is formed in a contact surface of the valve body and the handle knob, a second placing groove is formed in the handle knob, a first spring and a first locking magnetic block are sequentially arranged in the first placing groove, the handle knob is rotated, the second placing groove corresponds to the first placing groove, and the first locking magnetic block extends into the second placing groove under the elastic force of the first spring, so that the handle knob and the valve body cannot rotate relatively, and the handle knob is locked; the handle knob is sleeved with an unlocking sleeve, a magnetic block II corresponding to the locking magnetic block I is embedded in the unlocking sleeve, the magnetism of one end of the magnetic block II corresponding to the locking magnetic block I is the same, when the magnetic block II on the handle knob corresponds to the locking magnetic block I, the locking magnetic block I is pushed back into the placing groove I by the magnetic block II, the handle knob and the valve body can rotate relatively, and the purpose of unlocking is achieved.

Description

Locking ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to locking ball valve.

Background

At present, a ball valve comprises a valve body, a ball core, a handle knob and a valve rod, wherein the ball core is driven by the valve rod and rotates around the axis of the ball valve, the ball valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.

Chinese patent publication No. CN208153766U discloses a ball valve. Including the valve body subassembly with connect in the driving piece of valve body subassembly, the driving piece drives the valve body subassembly and actuates in order to control the break-make of runner, is provided with the state sign on the switch position sign board, corresponds the position of state sign on the driving piece and has seted up the viewing aperture, the viewing aperture is used for exposing the state sign and showing the connected state of ball valve.

The technical scheme has the following defects: this ball valve does not have the function of locking, and the ball valve can be opened or close by anyone at will, and especially the ball valve is installed in the open air, and other people can open the ball valve at will, causes great economic loss to the user.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a locking ball valve, it has but the locking of hand (hold) knob for other people can't be with the advantage that the ball valve was opened.

The above technical purpose of the present invention can be achieved by the following technical solutions: comprises a valve body, a valve rod positioning column which is integrally formed on the side surface of the valve body, a ball core which is rotatably connected inside the valve body and is provided with a through hole, a valve rod which is rotatably connected with the valve rod positioning column and is circumferentially fixed with the ball core, and a handle knob which is fixedly connected with the valve rod and protrudes out of the end part of the valve body, a flow passage is arranged in the valve body, the ball core controls the opening and closing of the flow passage through rotation, a first placing groove is arranged on the surface of the valve body, which is in contact with the handle knob, a first spring is arranged in the first placing groove, a first locking magnetic block is arranged on the first spring, under the elastic force of the first spring, the first locking magnetic block protrudes out of the first placing groove, a second placing groove is formed in the handle knob corresponding to the first placing groove, the second placing groove is used for accommodating the end part of the first locking magnetic block protruding out of the first placing groove; the handle knob is characterized by further comprising an unlocking sleeve sleeved on the handle knob, a magnetic block III corresponding to the locking magnetic block I is arranged on the unlocking sleeve, and the magnetic block III is the same as the magnetic block III in magnetism of the end corresponding to the locking magnetic block I.

Through the technical scheme, when the second placing groove on the handle knob is rotated to correspond to the first placing groove on the valve body, the locking block stretches into the second placing groove under the elastic force of the first spring, so that the handle knob and the valve body cannot rotate relatively, and the purpose of locking the handle knob is achieved. The magnetic block III arranged in the unlocking sleeve on the handle knob corresponds to the locking magnetic block I, and the magnetic property of the end part of the locking magnetic block I corresponding to the magnetic block III is the same, so that the locking magnetic block is pushed back to the placing groove I by the magnetic block II for a while, and the handle knob and the valve body can rotate relatively at the moment, thereby realizing the purpose of unlocking. Therefore, under the condition that the unlocking sleeve is not arranged, the ball valve cannot be opened or closed through the handle knob, and particularly when the ball valve is installed outdoors, the problem that the owner of the ball valve is not easy to cause economic loss when other people use water or children open the ball valve when playing is effectively avoided.

Preferably, be provided with the stopper on the valve body, the hand (hold) knob corresponds the spacing groove has been seted up on the inner wall of stopper, the spacing groove with the centre of a circle of hand (hold) knob is the same, the stopper stretches into spacing inslot portion and be used for right the rotation angle of hand (hold) knob is spacing.

Through the technical scheme, the limit block on the valve body is matched with the limit groove on the handle knob to limit the limit rotation angle of the handle knob, so that the handle knob can only rotate by a preset angle.

Preferably, a third placing groove is formed in a contact surface of the valve body and the handle knob, a second spring is arranged in the third placing groove, a second magnetic block is arranged on the second spring, the second magnetic block protrudes out of the third placing groove under the elastic force of the second spring, an arc-shaped groove is formed in the handle knob corresponding to the third placing groove, and the arc-shaped groove is used for accommodating the end portion, protruding out of the third placing groove, of the second magnetic block.

Through the technical scheme, the second magnetic block is pushed out to the arc-shaped groove by the second spring in the third placing groove, and the second magnetic block is used for limiting the rotating angle of the handle knob.

Preferably, the central angle of the arc-shaped groove is 90 degrees.

Through above-mentioned technical scheme, it is spacing to the central angle of arc-shaped groove, and the hand (hold) knob can only the circumference rotate 90 degrees and realize opening and close of runner, avoids the unreasonable rotatory hand (hold) knob of user to cause excessive wear to the valve body, increased the life of ball valve to a certain extent.

Preferably, the arc-shaped groove and the second placing groove are symmetrically distributed around the center of the handle knob.

Through above-mentioned technical scheme, the arc wall on the hand (hold) knob distributes with the standing groove is symmetrical, and does not set up at same one end, and the intensity of hand (hold) knob has been promoted to a certain extent, has increased the durability of ball valve.

Preferably, the unlocking piece is provided with a magnetic block four, the magnetic block four is arranged at a position corresponding to the magnetic block two, the magnetic block four has the same magnetism as the magnetic block two, and the magnetic block four is used for pushing the magnetic block two back into the placing groove three.

Through the technical scheme, the magnetic block four is used for pushing the magnetic block two back to the placing groove three, and the magnetic block two cancels the limitation of the rotation angle of the handle knob at the moment.

Preferably, a positioning groove is formed in the valve rod positioning column, a positioning piece is arranged in the positioning groove, and the positioning piece is placed in the positioning groove in a protruding mode; the handle knob is characterized in that the inner wall of the handle knob is provided with a ring groove, and the ring groove is used for accommodating the part of the positioning piece protruding out of the positioning groove.

Through above-mentioned technical scheme, the setting element sets up in constant head tank and annular to carry out the axial spacing to the hand (hold) knob, guarantee that the hand (hold) knob is difficult to break away from with the valve body.

Preferably, a valve cap is embedded in the end of the valve body and used for being connected with a water pipeline.

Through above-mentioned technical scheme, the valve cap that the valve body tip was inlayed and is established is convenient for the installation of ball core.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of the present embodiment, which is mainly used for showing the components of a latching ball valve;

FIG. 2 is a schematic view of the valve body of the present embodiment, which is mainly used for showing the structure of the valve body;

FIG. 3 is a schematic cross-sectional view of the valve body of the present embodiment, which is mainly used for showing the internal structure of the valve body;

FIG. 4 is a schematic view of the handle knob of the present embodiment, which is mainly used to show the internal structure of the handle knob;

fig. 5 is a schematic view of the unlocking sleeve in the embodiment, which is mainly used for showing the structures of the magnetic block three and the magnetic block four.

Reference numerals: 1. a valve body; 2. a valve rod positioning column; 3. a ball core; 4. a valve stem; 5. a knob is held; 6. a flow channel; 7. placing the first groove; 8. a first spring; 9. locking the first magnetic block; 10. a second placing groove; 11. unlocking the sleeve; 12. a third magnetic block; 13. a limiting block; 14. a limiting groove; 15. placing a third groove; 16. a second spring; 17. a second magnetic block; 18. an arc-shaped slot; 19. positioning a groove; 20. a positioning member; 201. positioning rings; 21. a ring groove; 22. a fourth magnetic block; 23. a bonnet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A locking ball valve is shown in figures 1 to 5 and comprises a valve body 1, a valve rod positioning column 2 integrally formed on the side face of the valve body 1, a ball core 3 rotatably connected inside the valve body 1 and provided with a through hole, a valve rod 4 rotatably connected inside the valve rod positioning column 2 and circumferentially fixed with the ball core 3, and a handle knob 5 fixedly connected with the valve rod 4 and protruding out of the valve body 1, wherein a flow passage 6 is formed inside the valve body 1, and the handle knob 5 is rotated to drive the ball core 3 on the valve rod 4 to rotate so as to control the opening and closing of the flow passage 6.

The valve body 1 is provided with a first placing groove 7, the first placing groove 7 is located on a contact surface of the valve body 1 and the handle knob 5, a first spring 8 is arranged in the first placing groove 7, one end of the first spring 8 abuts against the bottom of the first placing groove 7, a first locking magnetic block 9 is arranged at the other end of the first spring 8, and under the action force of the first spring 8, the end part of the first locking magnetic block 9 protrudes out of the first placing groove 7; the handle knob 5 is provided with a second placing groove 10 corresponding to the first placing groove 7, the diameter of the second placing groove 10 is larger than that of the first placing groove 7, the second placing groove 10 is used for accommodating a first locking magnetic block 9 protruding out of the end portion of the first placing groove 7, and the first locking magnetic block 9 is located between the first placing groove 7 and the second placing groove 10, so that the handle knob 5 and the valve body 1 cannot rotate relatively, and the handle knob 5 can be locked.

The valve body 1 is provided with a third placing groove 15, the third placing groove 15 is located on a contact surface of the valve body 1 and the handle knob 5, the third placing groove 15 and the first placing groove 7 are symmetrically distributed by taking the valve rod positioning column 2 as a center, the strength of the third placing groove 15 and the strength of the first placing groove 7 can be effectively improved by the arrangement, a second spring 16 is arranged in the third placing groove 15, one end of the second spring 16 is tightly abutted to the bottom of the third placing groove 15, the other end of the second spring 16 is provided with a second magnetic block 17, and under the action force of the second spring 16, the end part of the second magnetic block 17 protrudes out of the third placing groove 15; the arc-shaped groove 18 is formed in the handle knob 5 corresponding to the third placing groove 15, the arc-shaped groove 18 extends in the direction away from the first placing groove 7, the arc-shaped groove 18 is identical to the circle center of the valve rod positioning column 2, the angle of the circle center of the arc-shaped groove 18 is 90 degrees, the arc-shaped groove 18 is used for enabling the second magnetic block 17 to protrude from the end portion of the third placing groove 15 to slide, and the arc-shaped groove 18 is used for limiting the rotating angle of the handle knob 5.

The end of the valve body 1 is embedded with a valve cap 23, the valve cap 23 is used for connecting a water pipeline, and the valve cap 23 is communicated with the flow passage 6.

A limiting block 13 is integrally formed on the valve rod positioning column 2, the limiting block 13 is close to a contact surface of the valve body 1 and the handle knob 5, a limiting groove 14 is formed in the inner side surface of the handle knob 5 corresponding to the limiting block 13, the arc center of the limiting groove 14 is collinear with the center of the first placing groove 7, the limiting groove 14 is located on one side of the second placing groove 10, the central angle of the limiting groove 14 is 90 degrees, and the limiting block 13 slides in the limiting groove 14; therefore, the limiting block 13 extends into the limiting groove 14, the handle knob 5 can only rotate clockwise or anticlockwise for 90 degrees to control the opening and closing of the flow channel 6, excessive friction between the ball core 3 and the valve body 1 is avoided to a great extent, and the service life of the ball valve is prolonged.

A positioning groove 19 is formed in the valve rod positioning column 2, a positioning element 20 is arranged in the positioning groove 19, the positioning element 20 is preferably a metal positioning ring 201 in the embodiment, the positioning ring 201 protrudes out of the positioning groove 19 for placement, an annular groove 21 is formed in the inner wall of the handle knob 5, and the annular groove 21 is used for accommodating the part of the positioning ring 201 protruding out of the positioning groove 19; handle knob 5 is installed on valve rod reference column 2 back, and the position circle 201 is spacing to handle knob 5 axial for handle knob 5 is difficult to break away from valve body 1.

The handle knob 5 is sleeved with an unlocking sleeve 11, the unlocking sleeve 11 is sleeved on the handle knob 5, a magnetic block III 12 is arranged at the bottom of the unlocking sleeve 11, the position of the magnetic block III 12 corresponds to that of a locking magnetic block I9, and the magnetism of the locking magnetic block I9 is the same as that of a magnetic block II 17; the bottom of the unlocking sleeve 11 is also provided with a magnetic block four 22, the position of the magnetic block four 22 corresponds to that of the magnetic block two 17, and the magnetic property of the end part of the magnetic block four 22 corresponding to that of the magnetic block two 17 is the same.

A specific working mode of a locking ball valve;

when the valve body 1 is closed, the first spring 8 pushes the first locking magnetic block 9 out to the spaces of the first placing groove 7 and the second placing groove 10, the second spring 16 pushes the second magnetic block 17 out to the spaces of the third placing groove 15 and the arc-shaped groove 18, the first locking magnetic block 9 limits the valve body 1 in the circumferential direction at the moment, and the handle knob 5 is locked.

The unlocking sleeve 11 is sleeved on the handle knob 5, the first locking magnetic block 9 is pushed back into the first placing groove 7 by the third magnetic block 12, the second magnetic block 17 is pushed back into the third placing groove 15 by the fourth magnetic block 22, and the handle knob 5 can rotate in the circumferential direction without the limit of the first locking magnetic block 9, so that the unlocking purpose is realized.

And the unlocking sleeve 11 is taken away, and the locking magnetic block I9 is reset under the action of the spring I8, so that the aim of locking the handle knob 5 is fulfilled.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a locking ball valve, includes valve body (1), integrated into one piece in valve rod reference column (2) of valve body (1) side, rotate connect in the inside ball core (3) that have the through-hole of valve body (1), rotate connect in valve rod reference column (2) and with ball core (3) circumference fixed valve rod (4), fixed connection in valve rod (4) and protrusion in hand (hold) knob (5) on the tip of valve body (1), runner (6) have been seted up to valve body (1) inside, ball core (3) are through rotation control the opening and close of runner (6), characterized by: a first placing groove (7) is formed in the surface, contacting the handle knob (5), of the valve body (1), a first spring (8) is arranged in the first placing groove (7), a first locking magnetic block (9) is arranged on the first spring (8), the first locking magnetic block (9) protrudes out of the first placing groove (7) under the elastic force of the first spring (8), a second placing groove (10) is formed in the handle knob (5) corresponding to the first placing groove (7), and the second placing groove (10) is used for accommodating the end part, protruding out of the first placing groove (7), of the first locking magnetic block (9); the handle knob is characterized by further comprising an unlocking sleeve (11) sleeved on the handle knob (5), a magnetic block III (12) corresponding to the locking magnetic block I (9) is arranged on the unlocking sleeve (11), and the magnetic block III (12) is the same as the end part corresponding to the locking magnetic block I (9) in magnetism.

2. A latching ball valve as defined in claim 1, wherein: be provided with stopper (13) on valve body (1), hand (hold) knob (5) correspond spacing groove (14) have been seted up on the inner wall of stopper (13), spacing groove (14) with the centre of a circle of hand (hold) knob (5) is the same, stopper (13) stretch into inside just being used for right spacing groove (14) the rotation angle of hand (hold) knob (5) is spacing.

3. A latching ball valve as defined in claim 1, wherein: the handle knob structure is characterized in that a third placing groove (15) is formed in the position, on the valve body (1), of a contact surface with the handle knob (5), a second spring (16) is arranged in the third placing groove (15), a second magnetic block (17) is arranged on the second spring (16), the second magnetic block (17) protrudes out of the third placing groove (15) under the elastic force of the second spring (16), an arc-shaped groove (18) is formed in the position, corresponding to the third placing groove (15), of the handle knob (5), and the arc-shaped groove (18) is used for containing the end portion, protruding out of the third placing groove (15), of the second magnetic block (17).

4. A latching ball valve as defined in claim 3, wherein: the central angle of the arc-shaped groove (18) is 90 degrees.

5. A latching ball valve as defined in claim 3, wherein: the arc-shaped groove (18) and the second placing groove (10) are symmetrically distributed with the center of the handle knob (5).

6. A latching ball valve as defined in claim 3, wherein: the unlocking sleeve (11) is provided with a magnetic block four (22), the magnetic block four (22) is arranged at the position corresponding to the magnetic block two (17), the magnetic property of the end part corresponding to the magnetic block four (22) and the magnetic block two (17) is the same, and the magnetic block four (22) is used for pushing the magnetic block two (17) back into the placing groove three (15).

7. A latching ball valve as defined in claim 1, wherein: a positioning groove (19) is formed in the valve rod positioning column (2), a positioning piece (20) is arranged in the positioning groove (19), and the positioning piece (20) is placed in the positioning groove (19) in a protruding mode; annular groove (21) have been seted up on hand (hold) knob (5) inner wall, annular groove (21) are used for holding locating piece (20) salient the part of constant head tank (19).

8. A latching ball valve as defined in claim 1, wherein: the end of the valve body (1) is embedded with a valve cap (23), and the valve cap (23) is communicated with the flow passage (6).