CN207178759U - Single piece type ball valve - Google Patents
Single piece type ball valve Download PDFInfo
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- CN207178759U CN207178759U CN201721189360.6U CN201721189360U CN207178759U CN 207178759 U CN207178759 U CN 207178759U CN 201721189360 U CN201721189360 U CN 201721189360U CN 207178759 U CN207178759 U CN 207178759U
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- valve seat
- annular groove
- fire collar
- valve body
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Abstract
The technical field of valve manufacture is the utility model is related to, more particularly to a kind of single piece type ball valve, it has fire-proof function, improves safety coefficient；And electrostatic caused by friction between valve element and valve seat can be eliminated, prevent that valve element and valve seat are caused to damage；Its overall sealing is improved simultaneously, extends its service life；Including valve body, left valve seat, right valve seat, valve element, valve rod, handle, left fire collar, right fire collar, left spring group and right groups of springs, valve body is internally provided with cavity, the bottom of valve rod and the top of valve element connect, the top of valve rod extend out to outside valve body and with the connection of handle, left annular groove and right annular groove are provided with valve body, left fire collar and right fire collar are located inside left annular groove and right annular groove respectively；Also include power spring, airtight and watertight padding, seal joint, turn and fixing nut, the bottom of valve element is provided with standing groove, and the top of power spring and the inner roof wall of standing groove are connected, and the bottom of power spring is connected with valve body.
Description
Technical field
The technical field of valve manufacture is the utility model is related to, more particularly to a kind of single piece type ball valve.
Background technology
It is well known that single piece type ball valve is a kind of novel valve being widely adopted in recent years, its closure member is a ball
Body, spheroid make rotation to reach the purpose opened, closed around valve body center line, are mainly used to cut off, distribute and change medium
Flow direction, it is widely used in a variety of applications in the fields such as petroleum refining, long-distance transport pipes, electric power, water conservancy, municipal administration；It is existing
Single piece type ball valve include valve body, valve seat, valve element, valve rod and handle, valve body is internally provided with cavity, and valve seat is arranged on cavity
Inside, valve element are arranged on inside cavity and contacted with valve seat, and the bottom of valve rod and the top of valve element connect, and the top of valve rod is stretched out
To outside valve body and with the connection of handle；Existing single piece type ball valve passes through rotation in use, be installed in pipe path
Handle band ovable valve stem and valve core rotation, reach cut-out, distribution and the purpose for changing media flow direction；Existing single piece type ball valve
Found in use, it does not have fireproof function, and valve seat is deformed by high temperature melting in the event of a fire, causes medium
Leakage, potential safety hazard are higher；And friction is carried out between valve element and valve seat can produce electrostatic, and it can not be eliminated to electrostatic,
Electrostatic spark is easily produced, valve seat and valve element are caused to damage；Its sealing is poor simultaneously, using being easily caused after a period of time
The leakage of medium, service life are shorter.
Utility model content
In order to solve the above technical problems, the utility model, which provides one kind, has fire-proof function, safety coefficient is improved；And can
To eliminate electrostatic caused by friction between valve element and valve seat, prevent from that valve element and valve seat are caused to damage；Improve it simultaneously
Overall sealing, extend the single piece type ball valve of its service life.
A kind of single piece type ball valve of the present utility model, including valve body, valve seat, valve element, valve rod and handle, the inside of valve body are set
Cavity is equipped with, valve seat is arranged on inside cavity, and valve element is arranged on inside cavity and contacted with valve seat, the bottom of valve rod and valve element
Top connects, the top of valve rod extend out to outside valve body and with the connection of handle；Also include left fire collar, right fire collar, left bullet
Spring group and right groups of springs, the valve seat includes left valve seat and right valve seat, left annular groove and right annular groove is provided with the valve body, described
Left annular groove is located at the left end of left valve seat, and the right annular groove is located at the right-hand member of right valve seat, the left fire collar and right fire collar difference
Inside left annular groove and right annular groove, the left end of the left spring group is connected with the left side wall of left annular groove, the right-hand member of left spring group
It is connected with the left end of left fire collar, the right-hand member of left fire collar contacts with the left end of left valve seat, right-hand member and the right side of the right groups of springs
The right side wall connection of annular groove, the left end of right groups of springs are connected with the right-hand member of right fire collar, the left end of right fire collar and right valve seat
Right-hand member contacts；Also include power spring, the bottom of the valve element is provided with standing groove, the top of the power spring and standing groove
Inner roof wall connection, the bottom of power spring is connected with valve body；Also include airtight and watertight padding, seal joint, turn and fixed spiral shell
Mother, the apical lateral wall of the valve rod is provided with the external thread structure to match with the female thread structure of fixing nut, described close
Between valve rod and valve body, the seal joint is set on valve rod and positioned at the top of airtight and watertight padding, the bullet packing material position
Spring coil is set on valve rod and through hole is provided with the top of seal joint, the handle, and the top of valve rod is from handle
Lower section is inserted into inside fixing nut through through hole and spiral shell dress, and the top of turn and the bottom of handle are adjacent to.
Single piece type ball valve of the present utility model, the left valve seat and right valve seat are polytetrafluoroethylene (PTFE) material.
Single piece type ball valve of the present utility model, the left fire collar and right fire collar are metal material.
Single piece type ball valve of the present utility model, in addition to ring apron, boss, the annular glue are provided with the valve rod
Snare is located on valve rod, and the tip contact of the bottom of ring apron and boss, the top of ring apron and lateral wall with
Valve body contact.
Single piece type ball valve of the present utility model, antiskid glue sleeve is provided with the handle.
The beneficial effects of the utility model are compared with prior art：By above-mentioned setting, when left valve seat and right valve seat are met
During high temperature deformation, left spring group releases left fire collar from left annular groove, makes the left valve seat after deformation continue to contact with valve element, when
The left valve seat right-hand member of rear left fire collar that comes off contacts with the left end of valve element, and right spring releases right fire collar from right annular groove, makes
Right valve seat after deformation continues to contact with valve element, when the right valve seat left end of rear right fire collar that comes off contacts with the right-hand member of valve element, temporarily
When ensure that the seal of ball valve, there is fire-proof function, improve safety coefficient；Valve element is set to form electricity with valve body by power spring
Road path, the electrostatic export that will accumulate on valve element, can eliminate to electrostatic caused by friction between valve element and valve seat, prevent
Only valve element and valve seat are caused to damage；Make by filling airtight and watertight padding between valve rod and valve body, and by the elastic force of turn
Seal joint tightly covers airtight and watertight padding, so as to improve its overall sealing, extends its service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the mplifying structure schematic diagram at the utility model A；
Fig. 3 is the structural representation of the left fire collar of the utility model；
Marked in accompanying drawing：1st, valve body；2nd, valve element；3rd, valve rod；4th, handle；5th, left fire collar；6th, right fire collar；7th, left spring
Group；8th, right groups of springs；9th, left valve seat；10th, right valve seat；11st, left annular groove；12nd, power spring；13rd, airtight and watertight padding；14th, sealing pressure
Ring；15th, turn；16th, fixing nut；17th, boss；18th, ring apron；19th, protective boot.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
As shown in Figure 1 to Figure 3, a kind of single piece type ball valve of the present utility model, including valve body 1, valve seat, valve element 2, valve rod 3
With handle 4, valve body is internally provided with cavity, and valve seat is arranged on inside cavity, and valve element is arranged on inside cavity and connect with valve seat
Touch, the top of the bottom of valve rod and valve element connects, the top of valve rod extend out to outside valve body and with the connection of handle；Also include a left side
Fire collar 5, right fire collar 6, left spring group 7 and right groups of springs 8, valve seat include left valve seat 9 and right valve seat 10, are provided with valve body
Left annular groove 11 and right annular groove, left annular groove are located at the left end of left valve seat, and right annular groove is located at the right-hand member of right valve seat, and left fire collar and the right side are prevented
Fire ring is respectively inside left annular groove and right annular groove, and the left end of left spring group is connected with the left side wall of left annular groove, left spring group
Right-hand member is connected with the left end of left fire collar, and the right-hand member of left fire collar contacts with the left end of left valve seat, right-hand member and the right side of right groups of springs
The right side wall connection of annular groove, the left end of right groups of springs are connected with the right-hand member of right fire collar, the left end of right fire collar and right valve seat
Right-hand member contacts；Also include power spring 12, the bottom of valve element is provided with standing groove, the top of power spring and the interior top of standing groove
Wall is connected, and the bottom of power spring is connected with valve body；Also include airtight and watertight padding 13, seal joint 14, turn 15 and fixed spiral shell
Mother 16, the apical lateral wall of valve rod is provided with the external thread structure to match with the female thread structure of fixing nut, airtight and watertight padding
Between valve rod and valve body, seal joint is set on valve rod and is set in valve rod positioned at the top of airtight and watertight padding, turn
Go up and be located at the top of seal joint, through hole is provided with handle, the top of valve rod fills from the lower section of handle through through hole and spiral shell
It is inserted into inside fixing nut, the top of turn and the bottom of handle are adjacent to；By above-mentioned setting, when left valve seat and right valve seat
When meeting high temperature deformation, left spring group releases left fire collar from left annular groove, makes the left valve seat after deformation continue to contact with valve element,
When the left valve seat right-hand member of rear left fire collar that comes off contacts with the left end of valve element, right spring releases right fire collar from right annular groove,
The right valve seat after deformation is set to continue to contact with valve element, when the right valve seat left end of rear right fire collar that comes off contacts with the right-hand member of valve element,
The seal of ball valve is temporarily ensure that, there is fire-proof function, improves safety coefficient；Valve element is set to be formed with valve body by power spring
Circuit pathways, the electrostatic export that will accumulate on valve element, can be eliminated to electrostatic caused by friction between valve element and valve seat,
Prevent that valve element and valve seat are caused to damage；By filling airtight and watertight padding, and the elastic force for passing through turn between valve rod and valve body
Seal joint is tightly covered airtight and watertight padding, so as to improve its overall sealing, extend its service life.
Single piece type ball valve of the present utility model, left valve seat and right valve seat are polytetrafluoroethylene (PTFE) material；By above-mentioned setting,
The left valve seat and right valve seat of polytetrafluoroethylene (PTFE) material are corrosion-resistant, rub resistance, and have certain intensity.
Single piece type ball valve of the present utility model, left fire collar and right fire collar are metal material；Pass through above-mentioned setting, gold
The left fire collar and right fire collar for belonging to material will not deform in hot environment, remain to keep good intensity, and fire is occurring
When ensure ball valve seal.
Single piece type ball valve of the present utility model, in addition to ring apron, boss 17,18 sets of ring apron are provided with valve rod
It is located on valve rod, and the tip contact of the bottom of ring apron and boss, the top of ring apron and lateral wall are and valve body
Contact；By above-mentioned setting, ring apron further increases the seal at valve rod, valve rod can be prevented to be situated between by boss
The pressure of matter and situation about being pushed out, while ring apron temperature distortion comes off in hot environment, power spring can connect valve element
The top for making boss and valve body contact are pushed up with valve rod, ensures the air-tightness at valve rod during fire.
Single piece type ball valve of the present utility model, antiskid glue sleeve 19 is provided with handle；By above-mentioned setting, handle is improved
Adhesive force, improve practicality.
Single piece type ball valve of the present utility model, it before above-mentioned action is completed, will be moved into user first at work
The position needed, ball valve is arranged in pipe path, by rotational handle band ovable valve stem and valve core rotation, reaches cut-out, divide
Match somebody with somebody and change the purpose in media flow direction, when left valve seat and right valve seat meet high temperature deformation, left spring group by left fire collar from
Release in left annular groove, make the left valve seat after deformation continue to contact with valve element, when left valve seat comes off the right-hand member and valve of rear left fire collar
The left end contact of core, right spring release right fire collar from right annular groove, make the right valve seat after deformation continue to contact with valve element, when
The right valve seat left end of rear right fire collar that comes off contacts with the right-hand member of valve element, temporarily ensure that the seal of ball valve, power spring makes
Valve element forms circuit pathways with valve body, the electrostatic export that will accumulate on valve element, can be produced to being rubbed between valve element and valve seat
Electrostatic eliminated, make seal joint by filling airtight and watertight padding between valve rod and valve body, and by the elastic force of turn
Airtight and watertight padding is tightly covered, so as to improve its overall sealing, ring apron further increases the seal at valve rod,
By boss valve rod can be prevented by the pressure of medium and situation about being pushed out, while ring apron temperature distortion in hot environment
Come off, power spring can push up valve element together with valve rod top and the valve body contact for making boss, ensure during fire at valve rod
Air-tightness.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made, these change
Enter and also should be regarded as the scope of protection of the utility model with modification.
Claims (5)
1. a kind of single piece type ball valve, including valve body (1), valve seat, valve element (2), valve rod (3) and handle (4), the inside of valve body (1)
Cavity is provided with, valve seat is arranged on inside cavity, and valve element (2) is arranged on inside cavity and contacted with valve seat, the bottom of valve rod (3)
Be connected with the top of valve element (2), the top of valve rod (3) extend out to valve body (1) it is outside and with the connection of handle (4)；Its feature exists
In, in addition to left fire collar (5), right fire collar (6), left spring group (7) and right groups of springs (8), the valve seat include left valve seat
(9) left annular groove (11) and right annular groove and right valve seat (10), are provided with the valve body (1), the left annular groove (11) is located at left valve
The left end of seat (9), the right annular groove are located at the right-hand member of right valve seat (10), the left fire collar (5) and right fire collar (6) difference position
Inside left annular groove (11) and right annular groove, the left end of the left spring group (7) is connected with the left side wall of left annular groove (11), left spring
The right-hand member of group (7) is connected with the left end of left fire collar (5), and the right-hand member of left fire collar (5) contacts with the left end of left valve seat (9), institute
The right-hand member for stating right groups of springs (8) is connected with the right side wall of right annular groove, the left end of right groups of springs (8) and the right-hand member of right fire collar (6)
Connection, the left end of right fire collar (6) contact with the right-hand member of right valve seat (10)；Also include power spring (12), the valve element (2)
Bottom is provided with standing groove, and the top of the power spring (12) and the inner roof wall of standing groove connect, the bottom of power spring (12)
End is connected with valve body (1)；Also include airtight and watertight padding (13), seal joint (14), turn (15) and fixing nut (16), it is described
The apical lateral wall of valve rod (3) is provided with the external thread structure to match with the female thread structure of fixing nut (16), described close
Packing material (13) is located between valve rod (3) and valve body (1), and the seal joint (14) is set on valve rod (3) and positioned at sealing
The top of filler (13), the turn (15) are set on valve rod (3) and positioned at the top of seal joint (14), the handle
(4) through hole is provided with, the top of valve rod (3) is inserted into fixing nut (16) from the lower section of handle (4) through through hole and spiral shell dress
Inside, the top and the bottom of handle (4) of turn (15) are adjacent to.
2. single piece type ball valve as claimed in claim 1, it is characterised in that the left valve seat (9) and right valve seat (10) are poly-
Tetrafluoroethene material.
3. single piece type ball valve as claimed in claim 2, it is characterised in that the left fire collar (5) and right fire collar (6) are
Metal material.
4. single piece type ball valve as claimed in claim 3, it is characterised in that also including ring apron (18), on the valve rod (3)
Boss (17) is provided with, the ring apron (18) is set on valve rod (3), and the bottom of ring apron (18) and boss
(17) tip contact, the top of ring apron (18) and lateral wall contact with valve body (1).
5. single piece type ball valve as claimed in claim 4, it is characterised in that be provided with protective boot (19) on the handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189360.6U CN207178759U (en) | 2017-09-15 | 2017-09-15 | Single piece type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189360.6U CN207178759U (en) | 2017-09-15 | 2017-09-15 | Single piece type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178759U true CN207178759U (en) | 2018-04-03 |
Family
ID=61747736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721189360.6U Active CN207178759U (en) | 2017-09-15 | 2017-09-15 | Single piece type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594412A (en) * | 2020-11-19 | 2021-04-02 | 张金秀 | Ball valve |
-
2017
- 2017-09-15 CN CN201721189360.6U patent/CN207178759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594412A (en) * | 2020-11-19 | 2021-04-02 | 张金秀 | Ball valve |
| CN112594412B (en) * | 2020-11-19 | 2024-03-29 | 张家港市鸿源机械锻造有限公司 | Ball valve |
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