CN210623655U - Ball valve and ball valve assembly - Google Patents

Abstract

The utility model discloses a ball valve and a ball valve component, in particular to the technical field of ball valves, which comprises a valve body, wherein a valve core is arranged inside the valve body, and temporary closing mechanisms are arranged at both ends of the valve body; the temporary closing mechanism comprises a connecting pipe, a first locking ring is fixedly arranged on the surface of the valve body, a second locking ring is fixedly arranged on the surface of the connecting pipe, and locking bolts are connected to the first locking ring and the second locking ring. The utility model discloses a unscrew locking bolt and lock nut, then to both sides pulling connecting pipe, expose the half-circular groove, then insert the activity ring through the half-circular groove to the closing plate, the spring resets the activity ring through the anticreep ring, utilize and fix the closing plate with the pressure between the connecting pipe to keep apart between outside pipeline and the case and seal, can prevent effectively that the medium in the pipeline from flowing into inside the valve body, prevent that the medium from leaking, compare with prior art, have interim sealing function.

Description

Ball valve and ball valve assembly

Technical Field

The utility model relates to a ball valve technical field, more specifically say, the utility model relates to a ball valve and ball valve subassembly.

Background

The multi-way ball valve is characterized in that the opening and closing piece of the multi-way ball valve is driven by a valve rod and can rotate around the axis of the ball valve, and the valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard-seal V-shaped ball valve and a metal valve seat of a build-up welding hard alloy have strong shearing force, so that the multi-way ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, and the multi-way ball valve can flexibly control the converging, the diverging and the flow direction switching of the media on a pipeline and can close any channel to connect the other two channels.

When a valve core in the ball valve in the prior art is damaged and cannot be closed, a medium in a pipeline can pass through the ball valve, and a temporary closing function is lacked.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a ball valve and ball valve subassembly, through unscrewing locking bolt and lock nut, then to both sides pulling connecting pipe, expose the half slot, then insert the activity ring through the half slot to the closing plate, the spring resets the activity ring through the anticreep ring, utilize and fix the closing plate with the pressure between the connecting pipe, thereby keep apart between with outside pipeline and the case and seal, can prevent effectively that the medium in the pipeline from flowing into inside the valve body, prevent that the medium from leaking, compare with prior art, have interim sealing function, in order 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 ball valve comprises a valve body, wherein a valve core is arranged inside the valve body, and temporary sealing mechanisms are arranged at two ends of the valve body;

the interim closing mechanism includes the connecting pipe, valve body fixed surface is equipped with first locking ring, connecting pipe fixed surface is equipped with the second locking ring, be connected with the locking bolt on first locking ring and the second locking ring, threaded connection has lock nut on the locking bolt, the equal fixed loose ring that is equipped with in valve body both ends, it is equipped with the semicircular groove to link up on the loose ring, the one end that the connecting pipe is close to the valve body is equipped with the movable groove, the tip fixedly connected with anticreep ring of valve body is kept away from to the loose ring, the fixed spring that is equipped with between anticreep ring and the movable groove inner wall, interim closing mechanism still includes the closing plate, the fixed handle that is equipped with in closing plate top.

In a preferred embodiment, the closing plate matches with the semicircular groove.

In a preferred embodiment, a sealing ring is arranged between the connecting pipe and the valve body.

In a preferred embodiment, the movable ring is disposed inside the movable groove.

In a preferred embodiment, a rotating rod is fixedly connected to the top end of the valve core.

In a preferred embodiment, a square rod is fixedly arranged at the top end of the rotating rod, and a push rod is sleeved on the surface of the square rod.

In a preferred embodiment, a screw is fixedly arranged at the top end of the square rod, and a compression nut is connected to the screw in a threaded manner.

The utility model provides a ball valve subassembly, includes the ball valve, the ball valve both ends all are equipped with flange, flange is fixed to be set up at the connecting tube tip.

The utility model discloses a technological effect and advantage:

1. the locking bolt and the locking nut are unscrewed, the connecting pipe is pulled towards two sides, the semicircular groove is exposed, the sealing plate is inserted into the movable ring through the semicircular groove, the movable ring is reset through the anti-falling ring by the spring, and the sealing plate is fixed by the pressure between the sealing plate and the connecting pipe, so that the external pipeline and the valve core are isolated and sealed, the medium in the pipeline can be effectively prevented from flowing into the valve body, and the medium is prevented from leaking;

2. through twisting gland nut, take off gland nut from the screw rod, then take off cracked push rod from square pole, change a new push rod, tighten gland nut again for the push rod of reinstallating can drive the case through the bull stick and rotate, compares with prior art, and it is more convenient to change.

Drawings

Fig. 1 is the overall structure schematic diagram of the ball valve of the present invention.

Fig. 2 is a three-dimensional structure diagram of the movable ring of the present invention.

Fig. 3 is an enlarged view of the structure at a in fig. 1 of the present invention.

Fig. 4 is an enlarged view of the structure at B in fig. 1 according to the present invention.

Fig. 5 is the three-dimensional structure diagram of the square rod of the utility model.

The reference signs are: the valve comprises a valve body 1, a valve core 2, a temporary closing mechanism 3, a connecting pipe 4, a first locking ring 5, a second locking ring 6, a locking bolt 7, a locking nut 8, a movable ring 9, a semicircular groove 10, a movable groove 11, an anti-falling ring 12, a spring 13, a closing plate 14, a handle 15, a sealing ring 16, a rotating rod 17, a square rod 18, a push rod 19, a screw rod 20, a compression nut 21 and a connecting flange 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The ball valve shown in fig. 1-3 comprises a valve body 1, wherein a valve core 2 is arranged inside the valve body 1, and temporary closing mechanisms 3 are arranged at two ends of the valve body 1;

the temporary closing mechanism 3 comprises a connecting pipe 4, a first locking ring 5 is fixedly arranged on the surface of the valve body 1, a second locking ring 6 is fixedly arranged on the surface of the connecting pipe 4, locking bolts 7 are connected onto the first locking ring 5 and the second locking ring 6, locking nuts 8 are connected onto the locking bolts 7 in a threaded manner, movable rings 9 are fixedly arranged at two ends of the valve body 1, semicircular grooves 10 are formed in the movable rings 9 in a penetrating manner, a movable groove 11 is formed in one end, close to the valve body 1, of the connecting pipe 4, an anti-falling ring 12 is fixedly connected to the end, far away from the valve body 1, of each movable ring 9, a spring 13 is fixedly arranged between each anti-falling ring 12 and the inner wall of each movable groove 11, the temporary closing mechanism 3 further comprises a closing plate 14, and a handle 15 is fixedly arranged;

the closing plate 14 is matched with the semicircular groove 10, so that the closing plate 14 can be inserted into the movable ring 9;

a sealing ring 16 is arranged between the connecting pipe 4 and the valve body 1, so that the sealing property between the valve body 1 and the connecting pipe 4 is improved;

the movable ring 9 is arranged in the movable groove 11 to ensure that the connecting pipe 4 is not separated from the valve body 1;

the utility model provides a ball valve subassembly, includes the ball valve, the ball valve both ends all are equipped with flange 22, flange 22 is fixed to be set up at 4 tip of connecting pipe.

The implementation mode is specifically as follows: when the utility model is used, after the valve core 2 in the valve body 1 is damaged and leaks, the locking bolt 7 and the locking nut 8 are unscrewed to remove the restraint between the first locking ring 5 and the second locking ring 6, so that the valve body 1 and the connecting pipe 4 can perform relative displacement, then the connecting pipe 4 is pulled towards two sides, the connecting pipe 4 moves to separate from the valve body 1, the semicircular groove 10 on the movable ring 9 in the movable groove 11 is exposed, the anti-separation block 12 can prevent the separation between the valve body 1 and the connecting pipe 4, then the sealing plate 14 is inserted into the movable ring 9 through the semicircular groove 10, the spring 13 resets the movable ring 9 through the anti-separation ring 12, the sealing plate 14 is fixed by the pressure between the sealing plate and the connecting pipe 4, so that the external pipeline and the valve core 2 are isolated and sealed, and the medium in the pipeline can be effectively prevented from flowing into the valve body 1, wholly make the utility model discloses can carry out interim urgent sealed, prevent that the medium from leaking, this embodiment has specifically solved the problem that lacks interim closed function among the prior art.

The ball valve shown in fig. 4-5 further comprises a rotating rod 17, a square rod 18 is fixedly arranged at the top end of the rotating rod 17, a push rod 19 is sleeved on the surface of the square rod 18, a screw rod 20 is fixedly arranged at the top end of the square rod 18, and a compression nut 21 is connected to the screw rod 20 in a threaded manner.

The implementation mode is specifically as follows: in use the utility model discloses the time, push rod 19 breaks off, twists and moves gland nut 21, takes off gland nut 21 from screw rod 20, then takes off cracked push rod 19 from square pole 18, changes a new push rod 19, screws up gland nut 21 again for the push rod 19 of reinstallating can drive case 2 through bull stick 17 and rotate, conveniently changes, and this embodiment has specifically solved among the prior art inconvenient problem of push rod 19 change.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 of the specification, when the utility model is used, after the valve core 2 inside the valve body 1 is damaged and leaks, the locking bolt 7 and the locking nut 8 are unscrewed, then the connecting pipe 4 is pulled towards both sides, the connecting pipe 4 moves to be separated from the valve body 1, the semi-circular groove 10 is exposed, the anti-falling block 12 can prevent the valve body 1 from being separated from the connecting pipe 4, then the sealing plate 14 is inserted into the movable ring 9 through the semi-circular groove 10, the spring 13 resets the movable ring 9 through the anti-falling ring 12, and the sealing plate 14 is fixed by the pressure between the spring and the connecting pipe 4, so that the external pipeline and the valve core 2 are isolated and sealed, the medium in the pipeline can be effectively prevented from flowing into the valve body 1, and the utility model can be wholly sealed temporarily and emergently to prevent the medium from leaking;

referring to the attached drawings 4-5 of the specification, when the utility model is used, the push rod 19 breaks, the compression nut 21 is screwed, the compression nut 21 is taken off from the screw rod 20, then the broken push rod 19 is taken off from the square rod 18, a new push rod 19 is replaced, and the compression nut 21 is screwed again, so that the newly installed push rod 19 can drive the valve core 2 to rotate through the rotating rod 17, and the replacement is convenient.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A ball valve, comprising a valve body (1), characterized in that: a valve core (2) is arranged in the valve body (1), and temporary sealing mechanisms (3) are arranged at two ends of the valve body (1);

the temporary closing mechanism (3) comprises a connecting pipe (4), a first locking ring (5) is arranged on the surface of the valve body (1), a second locking ring (6) is arranged on the surface of the connecting pipe (4), a locking bolt (7) is connected onto the first locking ring (5) and the second locking ring (6), a locking nut (8) is connected onto the locking bolt (7) in a threaded manner, movable rings (9) are fixedly arranged at the two ends of the valve body (1), a semicircular groove (10) is formed in the movable rings (9) in a through manner, a movable groove (11) is formed in one end, close to the valve body (1), of the connecting pipe (4), an anti-falling ring (12) is fixedly connected to the end part, far away from the valve body (1), of the movable rings (9), a spring (13) is fixedly arranged between the anti-falling ring (12) and the inner wall of the movable groove (11), and a closing plate (14) is, a handle (15) is fixedly arranged at the top end of the closing plate (14).

2. A ball valve according to claim 1, wherein: the closing plate (14) is matched with the semicircular groove (10).

3. A ball valve according to claim 1, wherein: and a sealing ring (16) is arranged between the connecting pipe (4) and the valve body (1).

4. A ball valve according to claim 1, wherein: the movable ring (9) is arranged in the movable groove (11).

5. A ball valve according to claim 1, wherein: the top end of the valve core (2) is fixedly connected with a rotating rod (17).

6. A ball valve according to claim 5, wherein: the top end of the rotating rod (17) is fixedly provided with a square rod (18), and the surface of the square rod (18) is sleeved with a push rod (19).

7. A ball valve according to claim 6, wherein: the top end of the square rod (18) is fixedly provided with a screw rod (20), and the screw rod (20) is connected with a compression nut (21) in a threaded manner.

8. A ball valve assembly characterized by: comprising a ball valve according to any of claims 1-7, which is provided with a connecting flange (22) at both ends, said connecting flange (22) being fixedly arranged at the end of the connecting pipe (4).

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