CN208670132U - A kind of ball valve for preventing abrasion from generating spacious amount - Google Patents
A kind of ball valve for preventing abrasion from generating spacious amount Download PDFInfo
- Publication number
- CN208670132U CN208670132U CN201821535361.6U CN201821535361U CN208670132U CN 208670132 U CN208670132 U CN 208670132U CN 201821535361 U CN201821535361 U CN 201821535361U CN 208670132 U CN208670132 U CN 208670132U
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- Prior art keywords
- valve
- fastening body
- gland
- opening
- fastening
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Abstract
The utility model discloses a kind of ball valves for preventing abrasion from generating spacious amount, including valve body and opening and closing sphere, valve inner offers valve core cavity, lower fastening seat is equipped with below valve body, lower fastening body is equipped in the opened up inner cavity of lower fastening seat, opening and closing sphere is equipped in valve core cavity, upper fastening body is equipped with above opening and closing sphere, fastening body upper surface is equipped with gland in abutting.The lower fastening spring of lower fastening body lower surface connection can jack up upwards lower fastening body in the utility model, the upper surface and opening and closing sphere for guaranteeing lower fastening body are in close contact always, the upper fastening spring of upper fastening body upper surface connection can press downwards upper fastening body, the lower surface of fastening body is in close contact always with opening and closing sphere in guarantee, generates gap after preventing abrasion and barrier property is caused to reduce.
Description
Technical field
The utility model relates to ball valve field, specially a kind of ball valve for preventing abrasion from generating spacious amount.
Background technique
Ball valve is widely used in petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel
The industries such as iron occupy very important status in national economy.Ball valve, which is mainly used to make in pipeline, to be cut off, distribute and changes
The flow direction of medium drives connected sphere opening and closing element by rotation valve rod, to the channel in valve body carry out open and
It closes.
In the course of work of ball valve, sphere opening and closing element is contacting between valve interior wall for a long time, generates abrasion, holds
Good barriering effect cannot be obtained when ball valve is closed by being also easy to produce lesser spacious amount.
Utility model content
The purpose of this utility model is to provide a kind of ball valves for preventing abrasion from generating spacious amount, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of ball valve for preventing abrasion from generating spacious amount,
Including valve body and opening and closing sphere, the valve inner offers valve core cavity, and valve core cavity lower part is spherical inner chamber, valve core cavity
Top be cylindrical lumens, the intermediate lower section of valve body is equipped with lower fastening seat, offers connection valve core cavity inside lower fastening seat
Cylindrical lumens, lower fastening body, lower fastening body bottom surface and lower fastening seat inner chamber bottom surface are equipped in the opened up inner cavity of lower fastening seat
Between be equipped with lower fastening spring, opening and closing sphere be spherical shape, and opening and closing sphere be equipped in the spherical inner chamber of valve core cavity,
The upper end for opening and closing sphere is equipped with vertically disposed valve rod, and the upper end of valve rod is equipped with runner, is equipped with upper pressure above the opening and closing sphere
Tight body, upper fastening body are equipped in the cylindrical lumens above valve core cavity, and valve rod upwardly penetrates through the middle part of fastening body,
Fastening body upper surface is equipped with gland in abutting, is equipped with downward rod set inside gland, and rod set is set in stem exterior, inside gland
The annulus inner cavity that Open Side Down is offered, is equipped with upper fastening spring, the upper table of upper fastening spring and upper fastening body in annulus inner cavity
Face contact is close to valve core cavity upper end opening edge equipped with gland connecting flange, and the middle part outer wall of gland is equipped with connection method
Connecting flange set by orchid, gland connecting flange and gland is cooperatively connected by bolt.
Preferably, the lower external wall of compression is interference fitted with interior cavity wall set by lower fastening seat, the upper table of lower fastening body
Face be sphere cooperation with opening and closing and the arc surface that is in close contact, lower fastening spring is equipped with multiple, and multiple lower fastening springs are uniform
The lower section of lower fastening body is set.
Preferably, the lower surface of connecting flange set by outer wall and the upper surface of gland connecting flange are close in the middle part of the gland
Contact, the lower part outer wall of gland and the upper end opening inner wall of valve core cavity are interference fitted.
Preferably, the lower surface of the upper fastening body is the arc surface with the cooperation of opening and closing sphere and close contact, upper compression
The upper surface of body is plane, and the lower end surface of gland and the lower end surface of rod set are in close contact with the upper surface of upper fastening body.
Preferably, the valve rod penetrates the middle part of fastening body, and the contact position of valve rod and upper fastening body is equipped with gasket
Circle.
Preferably, between the valve rod and the inner wall of rod set there are the gap of 1-5mm, and valve rod outer wall and rod set inner wall it
Between be equipped with bearing.
Compared with prior art, the utility model has the beneficial effects that
1. the lower fastening spring of lower fastening body lower surface connection can jack up upwards lower fastening body in the utility model, guarantee
The upper surface of lower fastening body is in close contact always with opening and closing sphere, and the upper fastening spring of upper fastening body upper surface connection can be by upper pressure
Tight body presses downwards, and the lower surface of fastening body is in close contact always with sphere is opened and closed guarantees in, prevent generation gap after wearing and
Barrier property is caused to reduce；
2. the utility model will open and close sphere by gland and upper fastening body is fixed in valve core cavity, gland passes through bolt
It is attached with the gland connecting flange above valve body, easy to disassemble and maintenance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model top view；
Fig. 3 is the schematic diagram in Fig. 2 at A-A.
In figure: valve body 1, opening and closing sphere 2, valve core cavity 3, lower fastening seat 4, lower fastening body 5, lower fastening spring 6, upper compression
Body 7, valve rod 8, gland 9, rod set 10, gland connecting flange 11, upper fastening spring 12, runner 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of ball valve for preventing abrasion from generating spacious amount,
Including valve body 1 and opening and closing sphere 2, valve core cavity 3 is offered inside valve body 1, in conjunction with shown in Fig. 1 and Fig. 3,3 lower part of valve core cavity
For spherical inner chamber, the top of valve core cavity 3 is cylindrical lumens, and the intermediate lower section of valve body 1 is equipped with lower fastening seat 4, lower fastening seat 4
Inside offers the cylindrical lumens of connection valve core cavity 3, is equipped with lower fastening body 5, lower compression in the opened up inner cavity of lower fastening seat 4
Be equipped with lower fastening spring 6 between 5 bottom surface of body and lower 4 inner chamber bottom surface of fastening seat, fastening spring 6 guarantee lower fastening body 5 always with open
Closed solid sphere 2 is in close contact, and opening and closing sphere 2 is spherical shape, and is opened and closed sphere 2 and be equipped in the spherical inner chamber of valve core cavity 3,
Port is offered in the middle part of opening and closing sphere 2, rotation opening and closing sphere 2 is the closing and unlatching of controllable opening and closing 1 inner passage of valve body, ball
The upper end of body 2 is equipped with vertically disposed valve rod 8, and the upper end of valve rod 8 is equipped with runner 13, opens and closes and be equipped with upper fastening body above sphere 2
7, upper fastening body 7 is equipped in the cylindrical lumens above valve core cavity 3, and valve rod 8 upwardly penetrates through in fastening body 7
Portion, 7 upper surface of fastening body is equipped with gland 9 in abutting, and gland 9 is used for the fixation to opening and closing sphere 2 and upper fastening body 7, in gland 9
Portion is equipped with downward rod set 10, and rod set 10 is set in outside valve rod 8, and rod set 10 plays a supporting role to valve rod 8, inside gland 9
The annulus inner cavity that Open Side Down is offered, upper fastening spring 12, upper fastening spring 12 and upper fastening body 7 are equipped in annulus inner cavity
Upper surface contact, upper fastening spring 12 guarantee that upper fastening body 7 is in close contact with opening and closing sphere 2 always, are close to 3 upper end of valve core cavity
Open edge is equipped with gland connecting flange 11, and the middle part outer wall of gland 9 is equipped with connecting flange, gland connecting flange 11 and gland 9
Set connecting flange is cooperatively connected by bolt.
Interior cavity wall set by lower 5 outer wall of fastening body and lower fastening seat 4 is interference fitted, and the upper surface of lower fastening body 5 is and opens
Arc surface closed solid sphere 2 cooperation and be in close contact, guarantees leakproofness, and lower fastening spring 6 is equipped with multiple, and multiple lower fastening springs
6 are uniformly arranged on the lower section of lower fastening body 5, and fastening spring 6 guarantees that lower fastening body 5 is in close contact with opening and closing sphere 2 always；
The lower surface of connecting flange set by 9 middle part outer wall of gland and the upper surface of gland connecting flange 11 are in close contact, and are made
The upper fastening body 7 and opening and closing sphere 2 of 9 lower section of gland do not loosen, and the lower part outer wall of gland 9 and the upper end of valve core cavity 3 are opened
Mouth inner wall interference fit, guarantees good leakproofness；
The lower surface of upper fastening body 7 is the arc surface with the cooperation of opening and closing sphere 2 and close contact, guarantees good sealing
Property, the upper surface of upper fastening body 7 is plane, and the upper table of the lower end surface of gland 9 and the lower end surface of rod set 10 with upper fastening body 7
Face is in close contact, and gland 9 is made to press fastening body 7 without generating loosening；
Valve rod 8 penetrates the middle part of fastening body 7, and the contact position of valve rod 8 and upper fastening body 7 is equipped with seal washer, prevents
Substance in channel is revealed from the contact position of valve rod 8 and upper fastening body 7；
There are the gaps of 1-5mm between valve rod 8 and the inner wall of rod set 10, prevent valve rod 8 from grinding when rotating with rod set 10
Damage, and bearing is equipped between 10 inner wall of 8 outer wall of valve rod and rod set, in the case where guaranteeing rod set 10 to 8 supporting role of valve rod, reduce
Rotary resistance.
Working principle: it when utility model works, is connected in the duct, is turned by the pipe flange that 1 two sides of valve body are equipped with
Movable valve plug inner cavity 3 drives opening and closing sphere 2 to carry out rotation and the opening and closing of 1 inner passage of valve body may be implemented, open by valve rod 8
The upper surface of closed solid sphere 2 and lower fastening body 5 is in close contact, and the lower surface for opening and closing sphere 2 and upper fastening body 7 is in close contact, and is played
Good barriering effect, when being worn between opening and closing 2 long-time rotation work of sphere and lower fastening body 5 and upper fastening body 7,
The lower fastening spring 6 of lower 5 lower surface of fastening body connection can jack up upwards lower fastening body 5, guarantee the upper surface of lower fastening body 5 with
Opening and closing sphere 2 is in close contact always, and the upper fastening spring 12 of upper 7 upper surface of fastening body connection can press downwards upper fastening body 7,
The lower surface of fastening body 7 is in close contact always with opening and closing sphere 2 in guarantee, generates gap after preventing abrasion and barrier property is caused to drop
It is low.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ball valve for preventing abrasion from generating spacious amount, including valve body (1) and opening and closing sphere (2), it is characterised in that: the valve body
(1) internal to offer valve core cavity (3), valve core cavity (3) lower part is spherical inner chamber, and the top of valve core cavity (3) is cylindric
Inner cavity, the intermediate lower section of valve body (1) are equipped with lower fastening seat (4), offer connection valve core cavity (3) inside lower fastening seat (4)
Cylindrical lumens are equipped with lower fastening body (5) in the opened up inner cavity of lower fastening seat (4), lower fastening body (5) bottom surface and lower fastening seat
(4) lower fastening spring (6) are equipped between inner chamber bottom surface, opening and closing sphere (2) is spherical shape, and opens and closes sphere (2) and be equipped with
In the spherical inner chamber of valve core cavity (3), the upper end of opening and closing sphere (2) is equipped with vertically disposed valve rod (8), the upper end of valve rod (8)
Equipped with runner (13), upper fastening body (7) are equipped with above the opening and closing sphere (2), upper fastening body (7) is equipped in valve core cavity
(3) in the cylindrical lumens above, valve rod (8) upwardly penetrates through the middle part of fastening body (7), fastening body (7) upper surface in abutting
Equipped with gland (9), downward rod set (10) is equipped with inside gland (9), rod set (10) is set in valve rod (8) outside, and gland (9) is interior
Portion offers the annulus inner cavity that Open Side Down, is equipped with upper fastening spring (12) in annulus inner cavity, upper fastening spring (12) and upper pressure
The upper surface contact of tight body (7), is close to the valve core cavity (3) upper end opening edge equipped with gland connecting flange (11), gland
(9) middle part outer wall is equipped with connecting flange, and connecting flange set by gland connecting flange (11) and gland (9) is cooperated by bolt and connected
It connects.
2. a kind of ball valve for preventing abrasion from generating spacious amount according to claim 1, it is characterised in that: the lower fastening body
(5) outer wall is interference fitted with interior cavity wall set by lower fastening seat (4), and the upper surface of lower fastening body (5) is to match with opening and closing sphere (2)
The arc surface for closing and being in close contact, lower fastening spring (6) are equipped with multiple, and multiple lower fastening springs (6) are uniformly arranged on pushing
The lower section of tight body (5).
3. a kind of ball valve for preventing abrasion from generating spacious amount according to claim 1, it is characterised in that: in the gland (9)
The lower surface of connecting flange set by portion's outer wall and the upper surface of gland connecting flange (11) are in close contact, outside the lower part of gland (9)
Wall and the upper end opening inner wall of valve core cavity (3) are interference fitted.
4. a kind of ball valve for preventing abrasion from generating spacious amount according to claim 1, it is characterised in that: the upper fastening body
(7) lower surface is the arc surface with opening and closing sphere (2) cooperation and close contact, and the upper surface of upper fastening body (7) is plane, and
The lower end surface of gland (9) and the lower end surface of rod set (10) are in close contact with the upper surface of upper fastening body (7).
5. a kind of ball valve for preventing abrasion from generating spacious amount according to claim 1, it is characterised in that: the valve rod (8) is worn
The middle part of upper fastening body (7) thoroughly, and the contact position of valve rod (8) and upper fastening body (7) is equipped with seal washer.
6. a kind of ball valve for preventing abrasion from generating spacious amount according to claim 1, it is characterised in that: the valve rod (8) with
There are the gaps of 1-5mm between the inner wall of rod set (10), and bearing is equipped between valve rod (8) outer wall and rod set (10) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535361.6U CN208670132U (en) | 2018-09-20 | 2018-09-20 | A kind of ball valve for preventing abrasion from generating spacious amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535361.6U CN208670132U (en) | 2018-09-20 | 2018-09-20 | A kind of ball valve for preventing abrasion from generating spacious amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670132U true CN208670132U (en) | 2019-03-29 |
Family
ID=65843351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821535361.6U Expired - Fee Related CN208670132U (en) | 2018-09-20 | 2018-09-20 | A kind of ball valve for preventing abrasion from generating spacious amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670132U (en) |
-
2018
- 2018-09-20 CN CN201821535361.6U patent/CN208670132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20190920 |