CN218761539U

CN218761539U - Hard seal ball valve

Info

Publication number: CN218761539U
Application number: CN202221912902.9U
Authority: CN
Inventors: 朱昌江; 唐庆维; 李冰
Original assignee: Jiangsu Fengheng Valve Co ltd
Current assignee: Jiangsu Fengheng Valve Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-28
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a ball valve technical field, concretely relates to hard sealing ball valve, including left valve body, first ring flange and coupling assembling, coupling assembling includes the case, the joint piece, the support column, coupling spring, connect retaining ring and rotor plate, when dismantling, hold the rotor plate and upwards carry the rotor plate, make the joint piece vertical migration in left valve body, the joint relation of joint piece and case is relieved this moment, can follow left valve body with the case and take out, the dismantlement to the case has been realized, when the installation, in upwards mentioning the rotor plate after putting into left valve body with the case, joint piece rebound this moment, the spring is compressed, loosen the rotor plate, because the self-resuming effect of spring, thereby make joint piece rebound and case looks joint, the case can be fixed in left valve body this moment, realize the installation to the case, through carrying out the dismouting to the case, thereby be convenient for change the case when the liquid in the ball valve corrodes for a long time.

Description

Hard sealing ball valve

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to hard seal ball valve.

Background

Currently, ball valves are widely used in petroleum, chemical industry and people's daily life, and the prior art adopts ball valves to cut off, distribute and change the flowing direction of a medium.

When the valve rod of the existing ball valve drives the valve core to rotate, the valve rod rotating angle cannot be accurately controlled, and the valve rod is easily influenced by the pressure of fluid in the ball valve in a half-open state, so that the flow can not be accurately adjusted, the adjusting precision of the ball valve is poor, a gate valve assembly installed in the ball valve is adopted, the liquid flow is effectively controlled, and the adjusting precision of the ball valve is improved.

Because the valve rod for adjusting the rotation of the valve core is fixedly arranged on the valve core, the valve core cannot be disassembled and assembled, and the valve core is inconvenient to replace when the valve core is corroded by liquid in the ball valve after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a hard seal ball valve, aims at solving because the pivoted valve rod of adjusting the case is fixed mounting on the case, can not carry out the dismouting to the case to be not convenient for use for a long time the technical problem who changes the case when being corroded by the liquid in the ball valve at the case.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the utility model provides a hard sealing ball valve, which comprises a left valve body and a first flange plate, wherein the first flange plate is fixedly arranged at one side of the left valve body, and the hard sealing ball valve also comprises a connecting component; coupling assembling includes case, joint piece, support column, coupling spring, connection retaining ring and rotor plate, the case with left side valve body connects, and is located left side valve body's inboard, the joint piece with case sliding connection, and be located the outside of case, support column fixed mounting be in the upper surface of joint piece, and run through left side valve body, coupling spring fixed mounting be in the upper surface of joint piece, and the cover is established the outside of support column, connection retaining ring fixed mounting be in coupling spring keeps away from one side of joint piece, and the cover is established the outside of support column, rotor plate fixed mounting be in the upper surface of support column.

The connecting assembly further comprises a second flange plate and a right valve body, wherein the second flange plate is connected with the first flange plate and is positioned on one side, far away from the left valve body, of the first flange plate; and the right valve body is fixedly arranged on one side of the second flange plate far away from the first flange plate.

The connecting assembly further comprises a bolt and a nut, the bolt is fixedly arranged on one side, close to the second flange, of the first flange and penetrates through the second flange; the nut is detachably connected with the bolt and sleeved on the outer side of the bolt.

The connecting assembly further comprises a sealing ring, and the sealing ring is fixedly mounted on one side, close to the valve core, of the left valve body.

The rotating plate is provided with anti-skidding lines, and the anti-skidding lines are located on the outer side of the rotating plate.

The hard seal ball valve further comprises a flow distribution assembly, and the flow distribution assembly is used for distributing liquid in the ball valve when the valve core closes the ball valve.

The flow dividing assembly comprises a connecting pipeline and an output pipeline, and the connecting pipeline is communicated with the left valve body and is positioned on the outer side of the left valve body; the output pipeline is communicated with the left valve body and is positioned on the outer side of the left valve body.

The utility model discloses a hard sealing ball valve, when dismantling, hold the rotor plate and upwards carry the rotor plate, thereby drive the support column rebound, and then make the joint piece is in vertical movement in the recess of left side valve body, this moment the joint piece with the joint relation of case is relieved, thereby makes the case can be followed take out in the left side valve body, and then realized right the case is dismantled, when the installation, will the rotor plate upwards mentions the back will the case is put into in the left side valve body, because the rebound of rotor plate can drive the support column rebound, thereby makes joint piece rebound, because it is direct to fall to connect the retaining ring to receive the effect of gravity the spherical structure of left side valve body is last, thereby makes the spring is compressed, loosens the rotor plate, because the spring has the self-resuming effect, thereby makes the spring resumes gradually to the original position, and then makes joint piece rebound with the fluting looks joint of case, this moment the case can be fixed in the left side valve body, thereby realized right the installation of case carries out through being convenient for the case carries out the change in the ball valve body the liquid is corroded the case for a long time when carrying out the dismouting to the case.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the figures.

Fig. 1 is an overall schematic structural view of the first embodiment of the present invention.

Fig. 2 is a cross-sectional view along the support post of the first embodiment of the present invention.

Fig. 3 is an enlarged view of fig. 2 a according to the first embodiment of the present invention.

Fig. 4 is a schematic view of a second embodiment of the present invention.

In the figure: 101-a left valve body, 102-a first flange plate, 103-a connecting assembly, 104-a valve core, 105-a clamping block, 106-a supporting column, 107-a connecting spring, 108-a connecting retainer ring, 109-a rotating plate, 110-a second flange plate, 111-a right valve body, 112-a bolt, 113-a nut, 114-a sealing ring, 115-an anti-skid pattern, 201-a flow dividing assembly, 202-a connecting pipeline and 203-an output pipeline.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

The first embodiment:

referring to fig. 1 to 3, where fig. 1 is an overall structural schematic diagram of a hard seal ball valve, fig. 2 is a cross-sectional view along a supporting column 106, and fig. 3 is an enlarged view of a point a of fig. 2, the present invention provides a hard seal ball valve, including a left valve body 101, a first flange 102 and a connecting assembly 103, where the connecting assembly 103 includes a valve core 104, a clamping block 105, a supporting column 106, a connecting spring 107, a connecting retainer 108, a rotating plate 109, a second flange 110, a right valve body 111, a bolt 112, a nut 113, and a sealing ring 114, and the rotating plate 109 has anti-slip patterns 115.

In this embodiment, the connecting assembly 103 is located on a side of the left valve body 101 close to the first flange 102, so as to facilitate the removal of the valve element 104 of the ball valve from the left valve body 101.

Wherein, the first flange plate 102 is fixedly installed at one side of the left valve body 101, the valve core 104 is connected with the left valve body 101 and is located at the inner side of the left valve body 101, the clamping block 105 is slidably connected with the valve core 104 and is located at the outer side of the valve core 104, the supporting column 106 is fixedly installed at the upper surface of the clamping block 105 and penetrates through the left valve body 101, the connecting spring 107 is fixedly installed at the upper surface of the clamping block 105 and is sleeved at the outer side of the supporting column 106, the connecting check ring 108 is fixedly installed at one side of the connecting spring 107 far away from the clamping block 105 and is sleeved at the outer side of the supporting column 106, the rotating plate 109 is fixedly installed at the upper surface of the supporting column 106, the valve core 104 is located at the inner side of the left valve body 101, a slot is formed in the valve core 104, and the clamping block 105 is matched with the slot of the valve core 104, therefore, the clamping block 105 can be clamped in the groove of the valve core 104, the inside of the left valve body 101 is of a hollow structure, the left valve body 101 is provided with a spherical structure, the supporting column 106 penetrates through the spherical structure of the left valve body 101, the spherical structure of the left valve body 101 is provided with a groove, the clamping block 105 can vertically slide in the groove of the spherical structure of the left valve body 101, the connecting check ring 108 is sleeved on the outer side of the supporting column 106 and is positioned on the outer side of the left valve body 101, two sides of the connecting spring 107 are respectively fixedly connected with the clamping block 105 and the connecting check ring 108, the connecting spring 107 is provided with a damper, and when the connecting spring 107 stretches and shakes, the damper on the connecting spring 107 generates resistance to stop the connecting spring 107 from shaking, so that the swing of the connection spring 107 is gradually stopped and does not always swing, and the rotation plate 109 is fixedly installed at the upper end of the support column 106.

Secondly, the second flange plate 110 is connected with the first flange plate 102 and is positioned on one side of the first flange plate 102 far away from the left valve body 101; the right valve body 111 is fixedly mounted on one side of the second flange plate 110 far away from the first flange plate 102, and the bolts 112 are fixedly mounted on one side of the first flange plate 102 near the second flange plate 110 and penetrate through the second flange plate 110; the nuts 113 are detachably connected with the bolts 112 and are sleeved outside the bolts 112, the flange surfaces of the first flange plate 102 and the second flange plate 110 have the same size, the bolts 112 are fixedly mounted on the first flange plate 102, the bolts 112 are uniformly distributed on the flange surface of the first flange plate 102, the second flange plate 110 is provided with circular through holes, the size of the circular through holes of the second flange plate 110 is slightly larger than the size of the screws of the bolts 112, meanwhile, the circular through holes of the second flange plate 110 correspond to the positions of the bolts 112 on the first flange plate 102 one by one, the nuts 113 are connected with the bolts 112 through threads, and the nuts 113 are screwed on the bolts 112, so that the position of the second flange plate 110 on the first flange plate 102 is fixed, and the right valve body 111 is fixed on the left valve body 101.

Meanwhile, the sealing ring 114 is fixedly installed at one side of the left valve body 101 close to the valve core 104, and the inner diameter of the sealing ring 114 is the same as the minimum size of the section of the valve core 104, so that the sealing ring 114 seals a gap between the left valve body 101 and the valve core 104, and further, the liquid in the left valve body 101 is prevented from completely flowing into the valve core 104.

In addition, the anti-slip patterns 115 are located on the outer side of the rotating plate 109, and the anti-slip patterns 115 are uniformly distributed on the rotating plate 109, so that the friction force between a palm and the rotating plate 109 is increased by the anti-slip patterns 115, and the phenomenon that a user slips when rotating the rotating plate 109 is further avoided.

When a hard sealing ball valve of this embodiment is used, the nut 113 is unscrewed on the bolt 112 at the time of disassembly, so that the second flange 110 is released from the first flange 102, further, the fixed state of the right valve body 111 and the left valve body 101 is released, the right valve body 111 is removed from the left valve body 101, so that the valve core 104 in the left valve body 101 is exposed, the rotating plate 109 is held by hand and the rotating plate 109 is lifted upwards, so that the supporting column 106 is driven to move upwards, so that the clamping block 105 vertically moves in the groove of the left valve body 101, at this time, the clamping relation between the clamping block 105 and the valve core 104 is released, so that the valve core 104 can be taken out of the left valve body 101, thereby realizing the disassembly of the valve core 104, when the valve is installed, the valve body 104 is placed in the left valve body 101 after the rotating plate 109 is lifted upward, because the upward movement of the rotating plate 109 drives the supporting column 106 to move upward, the clamping block 105 moves upward, since the connection check 108 is gravitationally directed onto the spherical structure of the left valve body 101, the spring is compressed, the rotating plate 109 is released, the spring has self-restoring function, so that the spring is gradually restored to the original position, so that the clamping block 105 moves downwards to be clamped with the notch of the valve core 104, at this time, the valve core 104 can be fixed in the left valve body 101, thus, the valve element 104 is mounted, and by mounting and dismounting the valve element 104, thereby facilitating replacement of the spool 104 when the spool 104 is eroded by liquid in the ball valve for long term use.

Second embodiment:

on the basis of the first embodiment, please refer to fig. 4, fig. 4 is a schematic structural diagram of a flow distribution assembly 201 of the hard seal ball valve of the second embodiment, the utility model provides a hard seal ball valve further includes a flow distribution assembly 201, the flow distribution assembly 201 includes a connecting pipe 202 and an output pipe 203.

In this embodiment, the flow dividing assembly 201 is located outside the left valve body 101, so that when the valve spool 104 closes the ball valve, the residual liquid in the left valve body 101 can flow out.

Wherein, the connecting pipe 202 is communicated with the left valve body 101 and is positioned outside the left valve body 101; the output pipe 203 is communicated with the left valve body 101 and is positioned outside the left valve body 101, and the connecting pipe 202, the left valve body 101 and the output pipe 203 are communicated, so that when the ball valve is closed by the valve core 104, the residual liquid in the left valve body 101 can flow into the valve core 104 from the connecting pipe 202, then flow into the output pipe 203 from the valve core 104, and finally flow out of the ball valve from the output pipe 203.

When the valve core 104 closes the ball valve, the residual liquid in the left valve body 101 may flow into the valve core 104 from the connecting pipe 202, then flow into the output pipe 203 from the valve core 104, and finally flow out of the ball valve from the output pipe 203.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a hard seal ball valve, includes left valve body and first ring flange, first ring flange fixed mounting be in one side of left valve body, its characterized in that:

the device also comprises a connecting component;

coupling assembling includes case, joint piece, support column, coupling spring, connection retaining ring and rotor plate, the case with left side valve body connects, and is located the inboard of left side valve body, the joint piece with case sliding connection, and be located the outside of case, support column fixed mounting be in the upper surface of joint piece, and run through left side valve body, coupling spring fixed mounting be in the upper surface of joint piece, and the cover is established the outside of support column, connection retaining ring fixed mounting be in coupling spring keeps away from one side of joint piece, and the cover is established the outside of support column, rotor plate fixed mounting be in the upper surface of support column.

2. The hard-seal ball valve of claim 1, wherein:

3. The hard-seal ball valve of claim 2, wherein:

4. The hard-seal ball valve of claim 1, wherein:

the connecting assembly further comprises a sealing ring which is fixedly installed on one side, close to the valve core, of the left valve body.

5. The hard seal ball valve of claim 1, wherein:

6. The hard-seal ball valve of claim 1, wherein:

the hard seal ball valve also comprises a flow distribution assembly, and the flow distribution assembly is used for distributing liquid in the ball valve when the valve core closes the ball valve.

7. The hard-seal ball valve of claim 6, wherein: