CN215172408U

CN215172408U - Ball valve with hole

Info

Publication number: CN215172408U
Application number: CN202120534806.4U
Authority: CN
Inventors: 赵云
Original assignee: FORT VALE ENGINEERING SHANGHAI Ltd
Current assignee: FORT VALE ENGINEERING SHANGHAI Ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-14
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a foraminiferous ball valve, including valve body and case, the case rotates and installs the valve cavity of seting up at the valve body, fixed mounting has sealed bracket on the terminal surface of valve body, sealed bracket's side surface is relative with the case, the valve body has seted up the seal groove with sealed bracket on the surface, be provided with sealed fastener in the seal groove, the shape on sealed fastener surface and the shape phase-match of case, sealed spring has been clamped on the sealed fastener, V type groove has been seted up on the sealed fastener, sealed spring clamps at V type inslot. The utility model discloses the case rotates and installs and seals through sealing bracket in the valve chamber, is provided with sealed fastener in the first seal groove that the surface of valve body and sealing bracket was seted up, and the V type inslot of seting up on the sealed fastener is provided with sealing spring, carries out deformation support to sealed fastener through sealing spring, can promote the sealed effect between case and the valve body.

Description

Ball valve with hole

Technical Field

The utility model relates to a valving field, concretely relates to foraminiferous ball valve.

Background

Since the reform of China is open, the national economy is rapidly increased, the technology is innovated, and the independent innovation becomes the mainstream of the domestic industrial development. China's industry is gradually developing towards intensive, energy-saving, emission-reducing and low-carbon. Some of the problems are that the sealing specific pressure is not balanced, the erosion by medium pressure is not balanced, and the service life is reduced; some of the devices can only form one-way sealing, the medium flow direction is limited, and the installation direction is also limited; some ball valves have complex structures, large volume and high manufacturing difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a foraminiferous ball valve can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a foraminiferous ball valve, includes valve body and case, and the case rotates to be installed in the valve chamber that the valve body was seted up, fixed mounting has sealed bracket on the terminal surface of valve body, sealed bracket's side surface is relative with the case, first seal groove has all been seted up on the surface of valve body and sealed bracket, be provided with sealed fastener in the first seal groove, the shape on sealed fastener surface and the shape phase-match of case, sealed spring has been clamped on the sealed fastener, V type groove has been seted up on the sealed fastener, sealed spring clamps at V type inslot.

Preferably, the sealing spring comprises a first elastic strip, a second elastic strip and a third elastic strip, the first elastic strip and the second elastic strip are connected in a mutually perpendicular mode, and an included angle between the second elastic strip and the third elastic strip is 30 degrees to 90 degrees.

Preferably, the first elastic strip is arranged between the sealing clamping piece and the valve body, the second elastic strip and the third elastic strip are clamped in the V-shaped groove, and the second elastic strip, the first elastic strip and the third elastic strip are in fillet transitional connection.

Preferably, a plurality of sealing convex strips are further formed on the side surface of the sealing clamping piece, and the sealing convex strips are arranged in parallel.

Preferably, fixedly connected with drive spindle on the case, drive spindle rotates and installs in the valve body, the last fixed cover of drive spindle is equipped with the bearing, the outer lane and the valve body of bearing are fixed mutually, the cover is equipped with seal assembly on the drive spindle, seal assembly fixes to clamp in the second seal groove of seting up on the valve body, the tip fixedly connected with end cover of valve body, the suit of sealed end cover is on drive spindle, the gasket groove has been seted up on end cover's the terminal surface, the gasket inslot is provided with the packing ring, the packing ring suit is on drive spindle, the packing ring is relative with seal assembly's tip.

Preferably, the sealing assembly comprises two groups of packing rings and two groups of O-shaped sealing rings, wherein one O-shaped sealing ring is arranged between the two groups of packing rings, and the other O-shaped sealing ring is arranged on one side, close to the valve core, of each packing ring.

Preferably, the surface of the driving main shaft is provided with clamping threads, the end part of the driving main shaft is fixedly connected with a handle, internal threads are formed in the handle, and the internal threads are matched with the clamping threads.

Preferably, a locking nut is arranged at the end part of the driving main shaft, and a washer is arranged between the locking nut and the handle.

The utility model provides a foraminiferous ball valve possesses following beneficial effect:

1. the valve core is rotatably installed in the valve cavity and sealed through the sealing bracket, a sealing fastener is arranged in a first sealing groove formed in the surfaces of the valve body and the sealing bracket, a sealing spring is arranged in a V-shaped groove formed in the sealing fastener, and the sealing fastener is subjected to deformation support through the sealing spring, so that the sealing effect between the valve core and the valve body can be improved;

2. the sealing assembly comprises two groups of packing rings and two groups of O-shaped sealing rings, the packing rings are close to the O-shaped sealing rings on one side of the valve core to seal the medium when the medium in the valve cavity is sealed, the two groups of packing rings are arranged side by side and seal the driving main shaft through the O-shaped sealing rings, and the sealing performance of the driving main shaft can be greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line B-B in FIG. 1;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of the sealing fastener of the present invention;

fig. 5 is a schematic structural view of the sealing spring of the present invention;

in the figure: 1. a valve body; 2. a valve core; 3. a valve cavity; 4. a seal carrier; 5. a first seal groove; 6. sealing the clamping piece; 7. a seal spring; 701. a first elastic strip; 702. a second elastic strip; 703. a third elastic strip; 8. a V-shaped groove; 9. sealing the convex strips; 10. driving the main shaft; 11. a bearing; 12. a seal assembly; 13. a second seal groove; 14. sealing the end cap; 15. a gasket groove; 16. a gasket; 17. a packing ring; 18. an O-shaped sealing ring; 19. a handle; 20. and locking the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the first embodiment, as shown in fig. 1 to 5, a ball valve with a hole includes a valve body 1 and a valve core 2, the valve core 2 is rotatably installed in a valve cavity 3 formed in the valve body 1, a sealing bracket 4 is fixedly installed on an end surface of the valve body 1, a side surface of the sealing bracket 4 is opposite to the valve core 2, a first sealing groove 5 is formed in the surfaces of the valve body 1 and the sealing bracket 4, a sealing fastener 6 is arranged in the first sealing groove 5, the shape of the surface of the sealing fastener 6 is matched with that of the valve core 2, a sealing spring 7 is clamped on the sealing fastener 6, a V-shaped groove 8 is formed in the sealing fastener 6, and the sealing spring 7 is clamped in the V-shaped groove 8.

The working principle is as follows: the valve core 2 is rotatably installed in the valve cavity 3 and sealed through the sealing bracket 4, a sealing clamping piece 6 is arranged in a first sealing groove 5 formed in the surfaces of the valve body 1 and the sealing bracket 4, a sealing spring 7 is arranged in a V-shaped groove 8 formed in the sealing clamping piece 6, the sealing spring 7 is clamped in the V-shaped groove 8, the end portion of the sealing spring 7 is clamped between the sealing clamping piece 6 and the valve body 1, the sealing spring 7 can be prevented from moving, the sealing clamping piece 6 is supported in a deformation mode through the sealing spring 7, the sealing clamping piece 6 is tightly pressed on the surface of the valve core 2 under the reverse action of the sealing spring 7, the medium can be prevented from leaking into the valve cavity 3, and the sealing effect between the valve core 2 and the valve body 1 is improved.

The sealing spring 7 comprises a first elastic strip 701, a second elastic strip 702 and a third elastic strip 703, the first elastic strip 701 and the second elastic strip 702 are mutually vertically connected, and an included angle between the second elastic strip 702 and the third elastic strip 703 is between 30 degrees and 90 degrees. The first elastic strip 701 is arranged between the sealing clamping piece 6 and the valve body 1, the second elastic strip 702 and the third elastic strip 703 are clamped in the V-shaped groove 8, and the second elastic strip 702, the first elastic strip 701 and the third elastic strip 703 are in transition connection by adopting a fillet. And the round corner transition is adopted, so that the toughness of the sealing spring 7 can be improved. The first elastic strip 701 is clamped between the sealing clamping piece 6 and the valve body 1 and can fix the sealing spring 7, an acute angle is formed between the second elastic strip 702 and the third elastic strip 703 and can support the sealing clamping piece 6, the valve core 2 is tightly pressed on the sealing clamping piece 6, and the third elastic strip 703 is in contact with the V-shaped groove 8 of the sealing clamping piece 6 for support.

In a second embodiment, as a preferable technical solution of the first embodiment, a plurality of sealing convex strips are further disposed on a side surface of the sealing clip 6, and the plurality of sealing convex strips are disposed in parallel. The sealing clamping piece 6 is made of soft wear-resistant materials, the sealing convex strips arranged on the end face of the sealing clamping piece 6 can be tightly attached to the valve body 1 or the sealing bracket 4, and the valve core 2 always keeps sealing contact with the valve body 1 or the sealing bracket 4 when rotating, so that unstable flow caused by medium leakage is prevented.

In a third embodiment, as a preferred technical solution of the first embodiment, a driving spindle 10 is fixedly connected to a valve core 2, the driving spindle 10 is rotatably installed in a valve body 1, a bearing 11 is fixedly sleeved on the driving spindle 10, an outer ring of the bearing 11 is fixed to the valve body 1, a sealing assembly 12 is sleeved on the driving spindle 10, the sealing assembly 12 is fixedly clamped in a second sealing groove 13 formed in the valve body 1, a sealing end cover 14 is fixedly connected to an end portion of the valve body 1, the sealing end cover 14 is sleeved on the driving spindle 10, a gasket 16 groove 15 is formed in an end surface of the sealing end cover 14, a gasket 16 is arranged in the gasket 16 groove 15, the gasket 16 is sleeved on the driving spindle 10, and the gasket 16 is opposite to the end portion of the sealing assembly 12. The driving main shaft 10 is rotatably installed in the valve body 1 through a bearing 11, the whole body is sealed through the sealing assembly 12, and the sealing assembly 12 is fixed and limited through a sealing end cover 14 and a gasket 16.

The sealing assembly 12 comprises two groups of packing rings 17 and two groups of O-shaped sealing rings 18, wherein one O-shaped sealing ring 18 is arranged between the two groups of packing rings 17, and the other O-shaped sealing ring 18 is arranged on one side, close to the valve core 2, of the packing rings 17. Two groups of packing rings 17 and two groups of O-shaped sealing rings 18 are sleeved on the driving main shaft 10, when the driving main shaft 10 rotates, the packing rings 17, the O-shaped sealing rings 18 and the valve body 1 are kept relatively sealed, and the O-shaped sealing rings 18 are arranged on one sides of the packing rings 17 close to the valve core 2 to prevent a medium from leaking out. The packing ring 17 is suitable for sealing and improving the sealing performance of media in a high-pressure environment.

In a fourth embodiment, as a preferred technical solution of the first embodiment, a clamping thread is formed on the surface of the driving spindle 10, a handle 19 is fixedly connected to the end of the driving spindle 10, and an internal thread is formed in the handle 19 and is matched with the clamping thread. The handle 19 is clamped with the driving main shaft 10 through threads, the driving main shaft 10 can be directly driven to rotate by rotating the handle 19, so that the valve core 2 is driven to rotate to drive the valve to be started and closed, the locking nut 20 is arranged at the end part of the driving main shaft 10, and the gasket 16 is arranged between the locking nut 20 and the handle 19. The gasket 16 can prevent the sliding down caused by the use in the last time.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; in the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein, the pattern in the drawings of the utility model is filled with materials which do not represent the structure, and the structure is only distinguished; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a foraminiferous ball valve, includes valve body and case, and the case rotates to be installed in the valve chamber that the valve body was seted up, its characterized in that: the valve comprises a valve body and is characterized in that a sealing bracket is fixedly mounted on the end face of the valve body, the side surface of the sealing bracket is opposite to a valve core, a first sealing groove is formed in the surface of the valve body and the surface of the sealing bracket, a sealing fastener is arranged in the first sealing groove, the shape of the surface of the sealing fastener is matched with that of the valve core, a sealing spring is clamped on the sealing fastener, a V-shaped groove is formed in the sealing fastener, and the sealing spring is clamped in the V-shaped groove.

2. A perforated ball valve according to claim 1, wherein: sealing spring includes first elastic strip, second elastic strip and third elastic strip, first elastic strip is connected with second elastic strip mutually perpendicular, the contained angle between second elastic strip and the third elastic strip is between 30 degrees to 90 degrees.

3. A perforated ball valve according to claim 2, wherein: the first elastic strip is arranged between the sealing clamping piece and the valve body, the second elastic strip and the third elastic strip are clamped in the V-shaped groove, and the second elastic strip, the first elastic strip and the third elastic strip are in fillet transitional connection.

4. A perforated ball valve according to claim 1, wherein: the side surface of the sealing clamping piece is also provided with a plurality of sealing convex strips which are arranged in parallel.

5. A perforated ball valve according to claim 1, wherein: fixedly connected with drive spindle on the case, drive spindle rotates and installs in the valve body, the last fixed cover of drive spindle is equipped with the bearing, the outer lane and the valve body of bearing are fixed mutually, the cover is equipped with seal assembly on the drive spindle, seal assembly fixes to clamp in the second seal groove of seting up on the valve body, the tip fixedly connected with end cover of valve body, sealed end cover suit is on drive spindle, the gasket groove has been seted up on end cover's the terminal surface, the gasket inslot is provided with the packing ring, the packing ring suit is on drive spindle, the packing ring is relative with seal assembly's tip.

6. An apertured ball valve as set forth in claim 5, wherein: the sealing assembly comprises two groups of packing rings and two groups of O-shaped sealing rings, wherein one O-shaped sealing ring is arranged between the two groups of packing rings, and the other O-shaped sealing ring is arranged on one side, close to the valve core, of each packing ring.

7. An apertured ball valve as set forth in claim 5, wherein: the surface of the driving main shaft is provided with clamping threads, the end part of the driving main shaft is fixedly connected with a handle, internal threads are formed in the handle, and the internal threads are matched with the clamping threads.

8. An apertured ball valve as set forth in claim 7, wherein: the end part of the driving main shaft is provided with a locking nut, and a gasket is arranged between the locking nut and the handle.