CN202597741U - Sealing component for external refining vacuum hopper - Google Patents
Sealing component for external refining vacuum hopper Download PDFInfo
- Publication number
- CN202597741U CN202597741U CN 201220133685 CN201220133685U CN202597741U CN 202597741 U CN202597741 U CN 202597741U CN 201220133685 CN201220133685 CN 201220133685 CN 201220133685 U CN201220133685 U CN 201220133685U CN 202597741 U CN202597741 U CN 202597741U
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- valve seat
- seal ring
- pressing plate
- hole
- sealing component
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Abstract
The utility model discloses a sealing component for an external refining vacuum hopper. The sealing component comprises a valve seat. An opening on the upper part of the valve seat is an inverted conical surface. A valve element with valve element through holes clings to the upper part of the inverted conical surface of the valve seat. The lower part of the lateral surface of the valve element is an inverted trapezoid which is at an angle equal to that of the inverted conical surface of the valve seat. A valve seat groove is reserved on the lower part of the inverted conical surface of the valve seat. The sealing component is arranged between the valve seat groove and the valve element. A sealing ring of the sealing component is inverted trapezoidal, and is provided with sealing ring through holes. Sealing ring chamfers are formed at the two ends of the upper part of the sealing ring, and are opposite to the valve seat groove of the valve seat. The upper part of the sealing ring clings to the lower part of the valve element. A pressing plate with pressing plate through holes clings to the lower part of the sealing ring. Bolt and nut fasteners penetrate through the valve element through holes, the sealing ring through holes and the pressing plate through holes to connect the valve element, the sealing ring and the pressing plate. The sealing component is applied to the field of sealing for the vacuum hopper of external refining equipment.
Description
Technical field
The utility model relates to a kind of Sealing, relates in particular to the sealing component that a kind of vacuum hopper that is applied to external refining equipment is used
Background technique
In each tame iron and steel metallurgy enterprise, be widely used at present and arrived a kind of external refining equipment; One of key component of this external refining equipment are vacuum hopper; Acting as of vacuum hopper adds alloy material in real time in the external refining production process, vacuum hopper requires inside and outside isolated, and inside is vacuum; The outside is a barometric pressure, and how isolated what adopted is exactly through a cover sealing configuration realization with the vacuum hopper sealing.
The cross section of Sealing is an inclined ladder shape in the sealing configuration under the existing technology, and used material is a fluorine rubber, and at first its sealing contact surface is little, in case sealing surface has breakage slightly, promptly can cause seal failure, has only about 3 months working life usually.It is two because the sealing part is softer, and the cross section is inclined ladder shape, and the difficult control of accurate to dimension can only be blocked according to seal groove sometimes in installing at the scene and glued joint again, and this also produces certain influence to sealing effect.
And the on-the-spot sealing of the sealing configuration under the existing technology is changed very difficulty is installed, because whole sealing configuration is in vacuum hopper; Installation personnel need get into operation in the vacuum hopper, and working space is narrow and small, because mounting groove is a triangle at the spool place; It is fixing to make that seal ring can't be stuck on the spool in advance; So need in installing simultaneously contraposition each other between these three kinds of the spools, seal ring, pressing plate is added that seal ring is softer, all of these factors taken together makes installation difficulty very big; Also cause installation not in place, particularly when fault needs urgent the replacing, can cause long downtimes through regular meeting.
So the sealing component that needs a kind of novel vacuum hopper to use needs to accomplish that seal durability is long that it is very convenient that Sealing is changed installation at present, valve core structure is simpler.
The model utility content
For the sealing effect that solves the vacuum hopper sealing configuration under the existing technology poor; Working life is short; Change problems such as trouble; The sealing component that the utility model provides a kind of external refining vacuum hopper to use can solve the variety of problems under the existing technology, and the concrete structure of the utility model is described below:
The sealing component that a kind of external refining vacuum hopper is used comprises that the upper opening place is the valve seat of inverted cone surface, is characterized in that:
The spool that is provided with a belt spool through hole is close on the top of the inverted cone surface of described valve seat, and the bottom, side of this spool is for trapezoidal, and the trapezoidal angle of falling at this place equates with the inverted cone surface angle of valve seat;
The bottom of the inverted cone surface of described valve seat has the valve seat groove;
Be provided with a sealing component between the valve seat groove of described valve seat and the spool.
Sealing component according to a kind of external refining vacuum hopper of the utility model is used is characterized in that described sealing component comprises seal ring, pressing plate and bolt and nut fastening piece; It is specially; Described seal ring is down trapezoidal and seal ring that have the seal ring through hole, and the two ends on seal ring top are provided with the seal ring chamfering, and sealing circle chamfering is corresponding with the valve seat groove of valve seat; And the trapezoidal faces and the valve seat groove of seal ring sidepiece are close to; The bottom of spool is close on the top of seal ring, and pressing plate then is the bottom that is arranged on seal ring of being close to formula, has the pressing plate through hole on the pressing plate; And the bolt and nut fastening piece passes valve core through hole, seal ring through hole and pressing plate through hole, and spool, seal ring and pressing plate three are linked together.
The sealing component of using according to a kind of external refining vacuum hopper of the utility model; It is characterized in that; Described valve core through hole, seal ring through hole and pressing plate through hole, the number of openings of each parts are 6～8, and the quantity of the through hole of each parts, distributing position and distribution angle are all identical.
The sealing component that a kind of external refining vacuum hopper of use the utility model is used has obtained following beneficial effect:
1. the sealing component used of a kind of external refining vacuum hopper of the utility model, installing and replacing is very convenient, can shorten the replacing time of seal ring greatly,
2. the sealing component used of a kind of external refining vacuum hopper of the utility model; The seal ring long service life of brand-new design; Comparing the original seal ring life-span in actual the use has prolonged more than 5 times, has significantly reduced the maintenance outage time, has guaranteed the stable operation of equipment simultaneously.
Description of drawings
The concrete structure schematic representation of the sealing component that Fig. 1 uses for a kind of external refining vacuum hopper of the utility model;
The concrete structure schematic representation of the valve seat of the sealing component that Fig. 2 uses for a kind of external refining vacuum hopper of the utility model;
The concrete structure schematic representation of the spool of the sealing component that Fig. 3 uses for a kind of external refining vacuum hopper of the utility model.
The concrete structure schematic representation of the seal ring of the sealing component that Fig. 4 uses for a kind of external refining vacuum hopper of the utility model;
The concrete structure schematic representation of the pressing plate of the sealing component that Fig. 5 uses for a kind of external refining vacuum hopper of the utility model.
Among the figure: 1-valve seat, 1a-valve seat groove, 2-spool, 2a-valve core through hole, A-sealing component, A1-seal ring, A11-seal ring through hole, A-12 seal ring chamfering, A2-pressing plate, A21-pressing plate through hole, A3-bolt and nut fastening piece (A3).
Embodiment
Sealing component below in conjunction with accompanying drawing and embodiment use a kind of external refining vacuum hopper of the utility model is done further description.
Embodiment
Extremely shown in Figure 5 like Fig. 1; The sealing component that a kind of external refining vacuum hopper is used; Comprise that the upper opening place is the valve seat 1 of inverted cone surface; The spool 2 that is provided with a belt spool through hole 2a is close on the top of the inverted cone surface of valve seat, and the bottom, side of this spool is for trapezoidal, and the trapezoidal angle of falling at this place equates with the inverted cone surface angle of valve seat;
The bottom of the inverted cone surface of valve seat 1 has valve seat groove 1a;
Be provided with a sealing component A between the valve seat groove 1a of valve seat 1 and the spool 2.
Sealing component A comprises seal ring A1, pressing plate A2 and bolt and nut fastening piece A3; Seal ring is down trapezoidal and seal ring that have seal ring through hole A11, and the two ends on seal ring top are provided with seal ring chamfering A12, and sealing circle chamfering is corresponding with the valve seat groove 1a of valve seat 1; And the trapezoidal faces and the valve seat groove of seal ring sidepiece are close to; The bottom of spool 2 is close on the top of seal ring, and pressing plate then is the bottom that is arranged on seal ring of being close to formula, has pressing plate through hole A21 on the pressing plate; And the bolt and nut fastening piece passes valve core through hole 2a, seal ring through hole and pressing plate through hole, and spool, seal ring and pressing plate three are linked together.The through hole of each parts, quantity are 6～8, and the quantity of the through hole of each parts, distributing position and distribution angle are all identical.
Extremely shown in Figure 5 like Fig. 1, the sealing component that a kind of external refining vacuum hopper of the utility model is used, its concrete assembly process is following:
During assembling; Earlier seal ring A1 and pressing plate A2 are close to, in the valve seat groove 1a with the sealed at both ends circle chamfering A12 inserted valve seat 1 on the top of seal ring, then spool 2 are set then on the top of seal ring; The through hole of aiming at each parts then (is valve core through hole 2a, seal ring through hole A11 and pressing plate through hole A21; Quantity is 8 separately in the present embodiment), the through hole that bolt and nut fastening piece A3 is inserted each parts is fixedly connected this three of spool, seal ring and pressing plate, can use.
As shown in Figure 4, seal ring A1 is used for the sealing of spool 2 and valve seat 1, makes upper and lower cavity isolated, and epicoele can be operated in atmospheric pressure state, and cavity of resorption can be operated in vacuum state (about degree of vacuum 67Pa), and seal ring has following characteristics:
1. seal ring A1 material adopts industrial offset plate, and selecting model in the present embodiment for use is A3-8H7Hr3, and hardness is much larger than fluorine rubber, and is more wear-resisting, and easy fixation more, can guarantee 1 sealability under the barometric pressure simultaneously, so long service life.
2. the simple shape of seal ring A1 seal ring need not special-purpose die sinking manufacturing, and cost is lower, and puts in place with regard to processing with simple lathe, and precision is controlled easily.
3. seal ring A1 and valve seat 1 have bigger sealing contact surface; Specifically be exactly the valve seat groove 1a of the seal ring chamfering A12 inserted valve seat that is provided with of seal ring, and the trapezoidal side of falling of seal ring is close to the valve seat groove of valve seat, than original sealing structure increase be twice above; Sealing effect is better; Even the breakage of part is arranged on the sealing surface, also can not influence sealing effect, can let seal ring have longer service time.
4. the angle of seal ring A1 and valve seat 1 mate.
5. seal ring A1 and pressing plate A2 are close to, and make bolt and nut fastening piece A3 installation front pressuring plate and seal ring become parts like this, only need pressing plate and spool contraposition to get final product when fastening.
As shown in Figure 5, pressing plate A2 is used to push down seal ring A1, and seal ring is fixed on the spool 2, has also guaranteed the position of seal ring simultaneously, and the pressing plate through hole A21 that has on the pressing plate is used for the fixed installation with spool.The spool bottom is the plane, and spool and pressing plate are Spielpassung, can make things convenient for pressing plate to be inserted in the spool, just beats gently and can pack into, can guarantee the Location accuracy of seal ring simultaneously again.
The sealing component that a kind of external refining vacuum hopper of the utility model is used; Installing and replacing is very convenient; Can shorten the replacing time of seal ring greatly, the seal ring long service life of brand-new design is compared the original seal ring life-span to have prolonged more than 5 times in actual the use; Significantly reduce the maintenance outage time, guaranteed the stable operation of equipment simultaneously.The utility model is applicable to the field of sealing technology of the vacuum hopper of external refining equipment.
Claims (3)
1. sealing component that the external refining vacuum hopper is used comprises that the upper opening place is the valve seat (1) of inverted cone surface, is characterized in that:
The spool (2) that is provided with a belt spool through hole (2a) is close on the top of the inverted cone surface of described valve seat (1), and the bottom, side of this spool is for trapezoidal, and the trapezoidal angle of falling at this place equates with the inverted cone surface angle of valve seat;
The bottom of the inverted cone surface of described valve seat (1) has valve seat groove (1a);
Be provided with a sealing component (A) between the valve seat groove (1a) of described valve seat (1) and the spool (2).
2. the sealing component that a kind of external refining vacuum hopper as claimed in claim 1 is used is characterized in that, described sealing component (A) comprises seal ring (A1), pressing plate (A2) and bolt and nut fastening piece (A3); It is specially; Described seal ring is down trapezoidal and seal ring that have seal ring through hole (A11), and the two ends on seal ring top are provided with seal ring chamfering (A12), and sealing circle chamfering is corresponding with the valve seat groove (1a) of valve seat (1); And the trapezoidal faces and the valve seat groove of seal ring sidepiece are close to; The bottom of spool (2) is close on the top of seal ring, and pressing plate then is the bottom that is arranged on seal ring of being close to formula, has pressing plate through hole (A21) on the pressing plate; And the bolt and nut fastening piece passes valve core through hole (2a), seal ring through hole and pressing plate through hole, and spool, seal ring and pressing plate three are linked together.
3. the sealing component of using like claim 1 or the described a kind of external refining vacuum hopper of claim 2; It is characterized in that; Described valve core through hole (2a), seal ring through hole (A11) and pressing plate through hole (A21); The number of openings of each parts is 6～8, and the quantity of the through hole of each parts, distributing position and distribution angle are all identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133685 CN202597741U (en) | 2012-03-31 | 2012-03-31 | Sealing component for external refining vacuum hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133685 CN202597741U (en) | 2012-03-31 | 2012-03-31 | Sealing component for external refining vacuum hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202597741U true CN202597741U (en) | 2012-12-12 |
Family
ID=47315280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220133685 Expired - Lifetime CN202597741U (en) | 2012-03-31 | 2012-03-31 | Sealing component for external refining vacuum hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202597741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405906A (en) * | 2014-11-18 | 2015-03-11 | 自贡自高阀门有限公司 | Improved valve clack component for throttling cut-off emptying valve |
| CN107606248A (en) * | 2016-07-11 | 2018-01-19 | 罗伯特·博世有限公司 | Check-valves and corresponding magnetic valve for magnetic valve |
-
2012
- 2012-03-31 CN CN 201220133685 patent/CN202597741U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405906A (en) * | 2014-11-18 | 2015-03-11 | 自贡自高阀门有限公司 | Improved valve clack component for throttling cut-off emptying valve |
| CN107606248A (en) * | 2016-07-11 | 2018-01-19 | 罗伯特·博世有限公司 | Check-valves and corresponding magnetic valve for magnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |