CN209444840U - A kind of strong rubber adhesive force eccentric stopcock valve plug - Google Patents
A kind of strong rubber adhesive force eccentric stopcock valve plug Download PDFInfo
- Publication number
- CN209444840U CN209444840U CN201920122389.5U CN201920122389U CN209444840U CN 209444840 U CN209444840 U CN 209444840U CN 201920122389 U CN201920122389 U CN 201920122389U CN 209444840 U CN209444840 U CN 209444840U
- Authority
- CN
- China
- Prior art keywords
- slot
- rubber
- flap
- adhesive force
- valve plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
A kind of strong rubber adhesive force eccentric stopcock valve plug, it includes the flap ontology for the bow-shaped structural being prepared using metal material, positioned at the valve shaft of flap ontology upper and lower side, it is characterized by: offering criss-cross T-slot on the flap ontology, rubber wrapping layer is coated on the flap ontology for offering criss-cross T-slot, and the rubber wrapping layer extends in T-slot；A kind of accurate calculation method is provided for the design of rubber wrapping layer, conveniently can accurately determine necessary rubber-coated thickness, it is ensured that the reliability of sealing.
Description
Technical field
The utility model relates to a kind of eccentric stopcock valve plug, in particular to a kind of strong rubber adhesive force long-life bias rotation
Plug valve valve plug.
Background technique
Eccentric stopcock valve plug shape can be that surface applies rush-resisting material at cylindrical or cone, flap at present, this
The method antirust and ability of sealing is poor, service life is short.Existing design method is that flap is directly rubber-coated outside, such as patent
CN103671996A only directly coats one layer of rubber outside flap, and rubber adhesive force is small, can be situated between when valve plug is in valve opening and closing
Matter is washed away, and there are larger shearing force between rubber and matrix, valve plug rubs with valve body, is made rubber serious wear, is led to valve plug
Sealing performance decline.Furthermore seal angle and encapsulated thickness lack optimal quantitative calculation relational expression, cannot accurately determine necessary
Rubber thickness influences sealing performance.
Summary of the invention
The purpose of this utility model is exactly the shortcoming being directed in the presence of the above-mentioned prior art and provides a kind of rubber
Adhesive force is big, uses the strong rubber adhesive force eccentric stopcock valve plug of long-life.
The purpose of this utility model can be realized by following technique measures:
The strong rubber adhesive force eccentric stopcock valve plug of the utility model includes the arch being prepared using metal material
The flap ontology of structure, positioned at the valve shaft of flap ontology upper and lower side；Criss-cross T-slot is offered on the flap ontology,
Rubber wrapping layer is coated on the flap ontology for offering criss-cross T-slot, and the rubber wrapping layer extends to T-type
In slot.
The setting of T-slot described in the utility model is at flap and the effective sealing contact surface of valve body, and the number of the T-slot
Amount is each two of upper and lower, left and right.Specifically, under the conditions of guaranteeing metal intensity and toughness according to initial sealing angle in flap sheet
Increase T-slot in length and breadth at body and the effective sealing contact surface of valve body, one layer of rubber wrapping layer of flap ontology outer cladding, T-slot can be with
Effectively increase rubber wrapping layer and flap ontology contact area, increased between rubber wrapping layer and flap ontology perpendicular to
Frictional force in flap surface direction greatly improves rubber adhesive force.In addition, the cylindrical valve seat surface decentration of valve plug is inclined
It moves, is not contacted with valve seat before being closed 90%, guarantee the permanent valve plug service life.Flap ontology and valve shaft are cast using integral type simultaneously
Type is caused, strength and stiffness are high, and torsion transfer performance is good, and there are also be oriented to fluid while mitigating flap weight for arch design
Effect, operating lifetime.Accurate rubber-coated calculation method can ensure that enough rubber abrasion losses and decrement.
The thickness of rubber wrapping layer described in the utility model (2) is calculated by formula (2):
(2)
In formula:eIt is eccentricity,
ωIt is compression ratio,
In formula:h BO It is seal point to centre of gyration distance,βFor rotation angle,β A To seal end angle,β 0 To seal initial
Angle,RIron is iron core radius,LIt is encapsulated thickness,h AB To seal stroke,mFor coefficient related with fluid,a、cTo have with sealing surface
The coefficient of pass,pClaim pressure for the work of fluid,EIt is elasticity modulus,b m It is sealing surface perpendicular to the projection on fluid flow direction
Width.
The beneficial effects of the utility model are as follows:
1, T-slot can effectively increase the contact area of rubber wrapping layer Yu flap ontology, and rubber and flap it
Between increase perpendicular to the frictional force in flap surface direction, greatly improve rubber adhesive force.
2, when valve plug works, T-slot can extenuate rubber and intermetallic shearing force, improve valve plug service life.Valve
Valve and valve shaft are formed using integral cast, and strength and stiffness are high, and torsion transfer performance is good, and arch design is mitigating flap weight
While to fluid, there are also guiding role, operating lifetimes.
3, the cylindrical valve seat surface decentration offset of valve plug, does not contact with valve seat before closing 90%, guarantees permanent valve plug
Service life.
4, accurate rubber-coated calculation method can ensure that enough rubber abrasion losses and decrement.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is T-slot partial sectional view.
Fig. 4 is the spool left view of the utility model.
Fig. 5 is that eccentricity design calculates schematic diagram.
Fig. 6 is angle and encapsulated thickness design figure.
In figure: 1, flap ontology, 2, rubber wrapping layer, 3, T-slot, 4, valve shaft.
Specific embodiment
The utility model is further described below with reference to embodiment (attached drawing):
As shown in Figure 1,2,3, 4, the strong rubber adhesive force eccentric stopcock valve plug of the utility model includes using metal material
Expect the flap ontology 1 for the bow-shaped structural being prepared, positioned at the valve shaft 4 of 1 upper and lower side of flap ontology；It is opened on the flap ontology 1
Equipped with criss-cross T-slot 3, it is coated with rubber wrapping layer 2 on the flap ontology 1 for offering criss-cross T-slot 3,
And the rubber wrapping layer 2 extends in T-slot 3.
Furtherly: T-slot 3 described in the utility model is arranged at flap ontology 1 and the effective sealing contact surface of valve body,
And the quantity of the T-slot 3 is each two of upper and lower, left and right.Specifically, according to initial under the conditions of guaranteeing metal intensity and toughness
It seals angle and increases T-slot 3 in length and breadth, flap ontology 1 outer cladding, one layer of rubber at flap ontology 1 and the effective sealing contact surface of valve body
Glue wrapping layer 2, T-slot 3 can effectively increase the contact area of rubber wrapping layer 2 Yu flap ontology 1, and in rubber wrapping layer
It is increased between 2 and flap ontology 1 perpendicular to the frictional force on flap body surface direction, greatly improves rubber attachment
Power.In addition, the cylindrical valve seat surface decentration of valve plug deviates, is not contacted with valve seat before being closed 90%, guarantee the permanent valve plug longevity
Life.Flap ontology 1 and valve shaft 4 are formed using integral cast simultaneously, and strength and stiffness are high, and torsion transfer performance is good, and arch is set
To fluid, there are also guiding role, operating lifetimes while mitigating flap weight for meter.Accurate rubber-coated calculation method
Enough rubber abrasion losses and decrement are can ensure that.
The thickness of rubber wrapping layer described in the utility model is calculated by following formula:
(3)
In formula:eIt is eccentricity,
ωIt is compression ratio,
In formula:h BO It is seal point to centre of gyration distance,βFor rotation angle,β A To seal end angle,β 0 To seal initial
Angle,RIron is iron core radius,LIt is encapsulated thickness,h AB To seal stroke,mFor coefficient related with fluid,a、cTo have with sealing surface
The coefficient of pass,pClaim pressure for the work of fluid,EIt is elasticity modulus,b m It is sealing surface perpendicular to the projection on fluid flow direction
Width.
Steps are as follows for the specific calculating of design:
The first step, selection starting seal angleβ(∠BOO 1 ≤β≤90°-∠BOO 1 ).
As shown in Figure 2,4, start to add T-slot 3 in length and breadth at iron core starting seal angle, terminating place to effective sealing surface is
Only.
Second step determines eccentricity according to Fig. 5:
Cock seal operation section is that one section of circular arc of A point to B point is long in formula,h AB To seal stroke,β A To seal end angle,β 0 To seal initial angle,eFor eccentricity.
Third step calculates rubber compression ratio:
In formulamFor coefficient related with fluid,a、cFor coefficient related with sealing surface,pClaim pressure for the work of fluid,b m
It is sealing surface perpendicular to the projection width on fluid flow direction,ωFor rubber seal compression ratio,EIt is elasticity modulus.
4th step calculates encapsulated thickness according to Fig. 6:
In formulah BO It is seal point to centre of gyration distance,βFor rotation angle,eIt is eccentricity,R Iron It is iron core radius,ωIt is pressure
Shrinkage,LIt is encapsulated thickness.
Claims (3)
1. a kind of strong rubber adhesive force eccentric stopcock valve plug, it includes the valve for the bow-shaped structural being prepared using metal material
Valve ontology (1), the valve shaft (4) for being located at flap ontology (1) upper and lower side, it is characterised in that: offered on the flap ontology (1) vertical
Horizontal staggered T-slot (3), is coated with rubber wrapping layer on the flap ontology (1) for offering criss-cross T-slot (3)
(2), and the rubber wrapping layer (2) extends in T-slot (3).
2. strong rubber adhesive force eccentric stopcock valve plug according to claim 1, it is characterised in that: the T-slot (3) sets
It sets at flap ontology (1) and the effective sealing contact surface of valve body, the quantity of the T-slot (3) is each two of upper and lower, left and right.
3. strong rubber adhesive force eccentric stopcock valve plug according to claim 1, it is characterised in that: the rubber wrapping layer
(2) thickness is calculated by formula (1):
(1)
In formula:eIt is eccentricity,
ωIt is compression ratio,
In formula:h BO It is seal point to centre of gyration distance,βFor rotation angle,β A To seal end angle,β 0 To seal initial angle,R Iron
It is iron core radius,LIt is encapsulated thickness,h AB To seal stroke,mFor coefficient related with fluid,a、cFor system related with sealing surface
Number,pClaim pressure for the work of fluid,EIt is elasticity modulus,b m It is sealing surface perpendicular to the projection width on fluid flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122389.5U CN209444840U (en) | 2019-01-24 | 2019-01-24 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122389.5U CN209444840U (en) | 2019-01-24 | 2019-01-24 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444840U true CN209444840U (en) | 2019-09-27 |
Family
ID=68019059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122389.5U Active CN209444840U (en) | 2019-01-24 | 2019-01-24 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611576A (en) * | 2019-01-24 | 2019-04-12 | 河南省高山阀门有限公司 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
-
2019
- 2019-01-24 CN CN201920122389.5U patent/CN209444840U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611576A (en) * | 2019-01-24 | 2019-04-12 | 河南省高山阀门有限公司 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
| CN109611576B (en) * | 2019-01-24 | 2024-01-26 | 河南省高山阀门有限公司 | High rubber adhesive force eccentric plug valve plug |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201297397Y (en) | Water pressure driving valve | |
| CN209444840U (en) | A kind of strong rubber adhesive force eccentric stopcock valve plug | |
| CN109611576A (en) | A kind of strong rubber adhesive force eccentric stopcock valve plug | |
| CN106382377A (en) | Novel valve | |
| CN201973303U (en) | Butterfly check valve with inclined plates | |
| CN203477476U (en) | Rotating-off type check valve | |
| CN204459216U (en) | High-pressure self-balance self-sealing piston formula regulates throttling stop valve | |
| CN106763822A (en) | A kind of four eccentric-butterfly-valves | |
| CN208010963U (en) | A kind of hard seal ball valve | |
| CN104653797A (en) | High-pressure self-balancing and self-sealing piston type throttle regulation stop valve | |
| CN201963912U (en) | Y-shaped emptying valve | |
| CN205937915U (en) | Plastic tubing stop valve | |
| CN201434130Y (en) | Valve structure of gate valve | |
| CN212616455U (en) | Ball body for all-welded ball valve of oil-gas long-distance pipeline | |
| CN205350465U (en) | Y stop check valve that appears | |
| CN203009855U (en) | Internal-pressure self-sealing type valve cover stop valve | |
| CN214222176U (en) | High-sealing stop valve | |
| CN203272894U (en) | Swing check valve | |
| CN207080610U (en) | A kind of double eccentric butterfly valve with anti-shock baffle | |
| CN218326222U (en) | Throttle stop valve | |
| CN206234407U (en) | Soft seal check valve | |
| CN216045498U (en) | High-strength wear-resistant butterfly valve | |
| CN211398615U (en) | Butterfly valve | |
| CN220286544U (en) | Flange self-closing type drain valve | |
| CN218883025U (en) | Parallel high-performance butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |