CN217736323U

CN217736323U - Floating ball valve with self-locking function

Info

Publication number: CN217736323U
Application number: CN202221199398.2U
Authority: CN
Inventors: 陈慧
Original assignee: Yancheng Chengming Special Steel Co ltd
Current assignee: Yancheng Chengming Special Steel Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-04
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a ball valve floats with self-locking function, including the valve body and be used for controlling spheroid pivoted valve rod, the outside of valve body is provided with the handle components who is used for rotating the valve rod, and the one end fixedly connected with connecting seat of valve body is kept away from to the valve rod, and the cross joint groove has been seted up to one side that the valve rod was kept away from to the connecting seat, and the handle components is including the handle that is used for rotating the valve rod, the outside fixedly connected with connection pad A of handle, and connection pad A is close to one side fixedly connected with of connecting seat and the cross joint piece of cross joint groove looks adaptation, and one side that connection pad A is close to the valve body is provided with adapting unit. The utility model discloses in, through turning handle, make the cross joint piece on the connection pad A align with the cross joint groove on the connecting seat, press the handle downwards again, make cross joint piece and cross joint groove joint, turning handle just can drive the spheroid through the valve rod and rotate afterwards to can avoid the handle to be taken place by the unexpected pivoted condition, guarantee the accurate use of unsteady ball valve.

Description

Floating ball valve with self-locking function

Technical Field

The utility model relates to a ball valve technical field that floats especially relates to a ball valve that floats with self-locking function.

Background

The ball body of the floating ball valve is floating, and can generate certain displacement and be tightly pressed on the sealing surface of the outlet end under the action of medium pressure, so that the sealing of the outlet end is ensured. The floating ball valve has the main characteristics of compact structure, reliable sealing, simple structure and convenient maintenance, and the sealing surface and the spherical surface are always in a closed state and are not easily eroded by media, thus being suitable for common working media such as water, solvents, acid, natural gas and the like.

The conventional floating ball valve controls the rotation of a ball body through the rotation of a handle, so that the floating ball valve is opened and closed, but in the actual use of the floating ball valve, the condition that the handle is accidentally rotated can occur, so that the floating ball valve is accidentally opened or closed, and the accurate use of the floating ball valve is influenced; in addition, in the use process of the existing floating ball valve, the intercepting net needs to be used for effectively intercepting impurities in water flow, but the clearing of the intercepting net is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the in-service use that has the ball valve that floats among the prior art, can take place the handle by the unexpected pivoted condition, cause the ball valve that floats to be opened or close by the accident to influenced the shortcoming that the ball valve that floats used accurately, and the ball valve that floats that has self-locking function who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a floating ball valve with a self-locking function comprises a valve body and a valve rod for controlling the rotation of a ball body, wherein a handle assembly for rotating the valve rod is arranged on the outer side of the valve body, a connecting seat is fixedly connected to one end, away from the valve body, of the valve rod, and a cross-shaped clamping groove is formed in one side, away from the valve rod, of the connecting seat;

the handle assembly comprises a handle used for rotating the valve rod, a connecting disc A is fixedly connected to the outer side of the handle, the connecting disc A is close to one side of the connecting seat, the cross clamping block is fixedly connected with one side of the connecting seat and matched with the cross clamping groove, and a connecting part is arranged on one side of the valve body and close to the connecting disc A.

The above technical solution further comprises:

the connecting component comprises a connecting disc B fixedly connected to the outer side of the valve body, an arc-shaped sliding groove is formed in one side, away from the valve body, of the connecting disc B, and four rotating shafts are connected to the inner portion of the arc-shaped sliding groove in a sliding mode.

Four the pivot is kept away from the equal fixedly connected with elasticity telescopic link of the inside one end of arc spout, four the output of elasticity telescopic link all with connection pad A's outside fixed connection.

The inside of valve body installs sealed bearing, sealed bearing's inner ring fixedly connected with rotates the screw rod.

The one end of rotating the screw rod extends to sealed bearing's outside and fixedly connected with knob, the other end of rotating the screw rod extends to the inside and fixedly connected with collar of valve body, the internally mounted of collar has the interception net that is used for intercepting impurity.

The outer side of the valve body is fixedly connected with four fixing rods, the outer portions of the four fixing rods are connected with an internal thread sleeve in a sliding mode, and the internal thread sleeve is in threaded connection with the outer portion of the rotating screw rod.

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

1. the utility model discloses in, through turning handle, make the cross joint piece on the connection pad A align with the cross joint groove on the connecting seat, press the handle downwards again, make cross joint piece and cross joint groove joint, turning handle just can drive the spheroid through the valve rod and rotate afterwards to can avoid the handle to be taken place by the unexpected pivoted condition, guarantee the accurate use of unsteady ball valve.

2. The utility model discloses in, when the interception net need clear up, make the interception net rotate one hundred eighty degrees through rotating the knob, the interception net can be strikeed to rivers afterwards, makes the impurity on interception net surface along with rivers flow, resume the initial position of interception net again can, should have self-locking function's unsteady ball valve can clear up the inside interception net of valve body fast.

Drawings

Fig. 1 is a schematic view of an appearance structure of a floating ball valve with a self-locking function provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic view of an internal cross-sectional structure of a floating ball valve with a self-locking function provided by the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is an enlarged view of the structure at C in fig. 3.

In the figure: 1. a valve body; 2. a valve stem; 3. a handle assembly; 31. a handle; 32. a connecting disc A; 33. a cross clamping block; 34. a connecting member; 341. a connecting disc B; 342. an arc-shaped chute; 343. a rotating shaft; 344. an elastic telescopic rod; 4. a connecting seat; 5. a cross clamping groove; 6. Sealing the bearing; 7. rotating the screw; 8. a knob; 9. a mounting ring; 10. an intercepting net; 11. a fixing rod; 12. and an internal thread sleeve.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a floating ball valve with self-locking function, including a valve body 1 and a valve rod 2 for controlling the rotation of the ball, the inside of the valve body 1 is provided with the ball, the outside of the valve body 1 is provided with a handle component 3 for rotating the valve rod 2, one end of the valve rod 2 far away from the valve body 1 is fixedly connected with a connecting seat 4, one side of the connecting seat 4 far away from the valve rod 2 is provided with a cross-shaped clamping groove 5;

the handle assembly 3 comprises a handle 31 for rotating the valve rod 2, a connecting disc A32 is fixedly connected to the outer side of the handle 31, a cross clamping block 33 matched with the cross clamping groove 5 is fixedly connected to one side, close to the connecting seat 4, of the connecting disc A32, a connecting part 34 is arranged on one side, close to the valve body 1, of the connecting disc A32, when the handle 31 is rotated, only the cross clamping block 33 is clamped inside the cross clamping groove 5, the valve rod 2 can rotate along with the handle 31, and the opening and closing states of the valve body 1 can be changed;

connecting part 34 includes connection pad B341 of fixed connection in the valve body 1 outside, connection pad B341 keeps away from one side of valve body 1 and has seted up arc spout 342, the inside sliding connection of arc spout 342 has four pivots 343, the equal fixedly connected with elasticity telescopic link 344 of the inside one end of arc spout 342 is kept away from to four pivots 343, four pivots 343 make four elasticity telescopic link 344 at the stability of rotation in-process, the output of four elasticity telescopic link 344 all with connection pad A32's outside fixed connection, when loosening handle 31, four elasticity telescopic link 344 can assist handle 31, connection pad A32 and cross joint piece 33 reset.

In this embodiment, when the opening/closing state of the valve body 1 needs to be changed, the handle 31 is rotated to align the cross clamping block 33 on the connecting disc a32 with the cross clamping groove 5 on the connecting seat 4, and then the handle 31 is pressed downward to clamp the cross clamping block 33 with the cross clamping groove 5, so that the four elastic telescopic rods 344 are compressed;

when the handle 31 is pressed and the hand is not loosened, the handle 31 is rotated to drive the valve rod 2 to rotate through the connecting disc A32, the cross clamping block 33 and the connecting seat 4, and the connecting seat 4 can drive the ball body in the valve body 1 to rotate, so that the opening and closing state of the valve body 1 can be changed;

then, the handle 31 is loosened, and the compressed four elastic telescopic rods 344 immediately push the connecting disc a32 to move in a direction away from the connecting seat 4, so that the cross clamping block 33 on the connecting disc a32 is separated from the cross clamping groove 5 on the connecting seat 4;

the cross clamping block 33 is required to be clamped with the cross clamping groove 5 when the opening and closing state of the valve body 1 is changed, and the floating ball valve can avoid the handle 31 from being accidentally rotated, so that the accurate use of the floating ball valve is ensured.

Example two

As shown in fig. 1, 3 and 5, based on the first embodiment, a sealing bearing 6 is installed inside a valve body 1, the sealing bearing 6 can prevent dust from entering the inside of the valve body 1, an inner ring of the sealing bearing 6 is fixedly connected with a rotating screw 7, one end of the rotating screw 7 extends to the outside of the sealing bearing 6 and is fixedly connected with a knob 8, the other end of the rotating screw 7 extends to the inside of the valve body 1 and is fixedly connected with a mounting ring 9, and an intercepting net 10 for intercepting impurities is installed inside the mounting ring 9;

when the knob 8 is rotated, the screw 7 is rotated to drive the mounting ring 9 and the intercepting net 10 to rotate in the valve body 1;

four dead levers 11 of outside fixedly connected with of valve body 1, the common sliding connection in outside of four dead levers 11 has internal thread cover 12, and internal thread cover 12 threaded connection is in the outside of rotating screw 7, and when rotating screw 7 rotated, internal thread cover 12 can be in, and the outside of four dead levers 11 slides.

In the embodiment, when the intercepting net 10 needs to be cleaned, the knob 8 is rotated to enable the knob 8 to drive the rotating screw 7 to rotate, the rotating screw 7 drives the mounting ring 9 and the intercepting net 10 to rotate in the valve body 1, and the knob 8 is continuously rotated until the intercepting net 10 rotates to one hundred eighty degrees;

at the moment, water flow impacts the intercepting net 10, impurities on the surface of the intercepting net 10 flow out along with the water flow, then the knob 8 is rotated reversely, the intercepting net 10 is restored to the initial position, and the floating ball valve with the self-locking function can quickly clean the impurities on the surface of the intercepting net 10 in the valve body 1.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A floating ball valve with a self-locking function comprises a valve body (1) and a valve rod (2) used for controlling a ball body to rotate, and is characterized in that a handle assembly (3) used for rotating the valve rod (2) is arranged on the outer side of the valve body (1), one end, far away from the valve body (1), of the valve rod (2) is fixedly connected with a connecting seat (4), and one side, far away from the valve rod (2), of the connecting seat (4) is provided with a cross clamping groove (5);

handle assembly (3) are including being used for rotating handle (31) of valve rod (2), the outside fixedly connected with connection pad A (32) of handle (31), connection pad A (32) are close to one side fixedly connected with of connecting seat (4) with cross joint piece (33) of cross joint groove (5) looks adaptation, connection pad A (32) are close to one side of valve body (1) is provided with adapting unit (34).

2. The floating ball valve with the self-locking function according to claim 1, wherein the connecting part (34) comprises a connecting disc B (341) fixedly connected to the outer side of the valve body (1), an arc-shaped sliding groove (342) is formed in one side of the connecting disc B (341) far away from the valve body (1), and four rotating shafts (343) are slidably connected to the inside of the arc-shaped sliding groove (342).

3. The floating ball valve with the self-locking function according to claim 2, wherein one end of each of the four rotating shafts (343) far away from the inside of the arc-shaped sliding groove (342) is fixedly connected with an elastic telescopic rod (344), and the output end of each of the four elastic telescopic rods (344) is fixedly connected with the outer side of the connecting disc A (32).

4. The floating ball valve with the self-locking function according to claim 1, wherein a sealing bearing (6) is installed inside the valve body (1), and a rotating screw (7) is fixedly connected to an inner ring of the sealing bearing (6).

5. The floating ball valve with the self-locking function according to claim 4, wherein one end of the rotating screw (7) extends to the outside of the sealing bearing (6) and is fixedly connected with a knob (8), the other end of the rotating screw (7) extends to the inside of the valve body (1) and is fixedly connected with a mounting ring (9), and an intercepting net (10) for intercepting impurities is installed inside the mounting ring (9).

6. The floating ball valve with the self-locking function according to claim 4, characterized in that four fixing rods (11) are fixedly connected to the outer side of the valve body (1), an internally threaded sleeve (12) is slidably connected to the outer portions of the four fixing rods (11), and the internally threaded sleeve (12) is screwed to the outer portion of the rotating screw (7).