CN105003732B - A kind of self-locking packing seal component - Google Patents
A kind of self-locking packing seal component Download PDFInfo
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- CN105003732B CN105003732B CN201510314446.6A CN201510314446A CN105003732B CN 105003732 B CN105003732 B CN 105003732B CN 201510314446 A CN201510314446 A CN 201510314446A CN 105003732 B CN105003732 B CN 105003732B
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- packing element
- metal
- self
- packing
- seal component
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Abstract
The present invention provides a kind of self-locking packing seal component, by the first packing element of annular, second packing element and the 3rd packing element constitute serial type structure successively, first packing element is by metal compression plate, first non-metallic fillers layer and the first n shape metal compression plates are mutually consolidated and formed, second packing element is by metal push pedal, second non-metallic fillers layer and the 2nd n shape metal compression plates are mutually consolidated and formed, 3rd packing element is by metal push plate, 3rd non-metallic fillers layer and metal compression push pedal are mutually consolidated and formed, under lock sealing state, between first packing element and the second adjacent packing element, annular seal space is formed respectively between 3rd packing element and the second adjacent packing element.The present invention is used in conjunction with each other with axle, elasticity can be sealed according to needed for voluntarily being adjusted pressure medium size, the compensation effectively utilized between metal material and nonmetallic materials is combined to give full play to sealing function, so as to be effectively improved the sealing reliability of self-locking packing seal component.
Description
Technical field
The present invention relates to a kind of stuffing seal, more particularly, to a kind of self-locking packing seal component.
Background technology
In the industries such as oil, chemical industry, electric power, the phenomenon generally existing in the industrial production such as run, emit, leaking, dripping, leaking to
Production brings great harm.With the maximization of process units, the complication of production technology, and production technology to high temperature,
High pressure, the direction of high speed are developed, and the chance for occurring leaking is more and more, when occurring leakage accident, have to industry security production
Very big threat.In order to reduce, avoid various leakage accidents, it is necessary to take various effective seal approach.
For valve sealing, the high pressure valve sealing especially under hot environment, mainly using compression type
The seal form of packing seal, it is this it is single it is extrusion type sealed be crimp face sealing means, it can not be according to medium
Sealing elasticity needed for pressure is voluntarily adjusted, causes suffered excess pressure increase on axial plane filler, and friction of the sealing ring to axle hinders
Power is consequently increased, and is made the torsional forces of axle and is also accordingly increased.The key that domestic high pressure valve is not broken through so far is exactly valve
The torsional forces of door is excessive, makes it can not normal switch.Therefore, the sealing property reliability of this jam type packing sealing means
Low, the accident rate that it leaks outside is also higher.
The content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of self-locking packing seal for the problem of existing for prior art
Component, improves its sealing reliability with sealing, and mitigate the torsional forces of axle.
The technical problem to be solved in the present invention is realized using following technical scheme：A kind of self-locking packing seal component, by
The first packing element, the second packing element and the 3rd packing element of annular constitute serial type structure successively, first packing element by positioned at
The metal compression plate on top, the first non-metallic fillers layer positioned at middle part and the first n shape metal compression plates positioned at bottom are mutual
Consolidation is formed, and second packing element is by the metal push pedal positioned at top, the layer of the second non-metallic fillers positioned at middle part and is located at
2nd n shape metal compression plates of bottom, which are mutually consolidated, to be formed, the 3rd packing element by the metal push plate positioned at top, be located at
The 3rd non-metallic fillers layer at middle part and the metal compression push pedal positioned at bottom are mutually consolidated and formed, under lock sealing state,
Between described the first packing element and the second adjacent packing element, between the 3rd described packing element and the second adjacent packing element
Annular seal space is formed respectively.
Preferably, the second described packing element sets several, and is respectively positioned between the first packing element and the 3rd packing element.
Preferably, the cross sectional shape of described metal push pedal is " one " font or inverted V-shaped.
Preferably, the cross sectional shape of described metal push plate is " one " font or inverted V-shaped.
Preferably, the tip section of the second described packing element is shaped as isosceles trapezoid.
Preferably, the tip section of the 3rd described packing element is shaped as isosceles trapezoid.
Preferably, the cross sectional shape of described metal compression plate is inverted U-shaped.
Preferably, the cross sectional shape of described metal compression push pedal is U-shaped.
Preferably, the first described non-metallic fillers layer and/or the second non-metallic fillers layer and/or the 3rd non-metallic fillers
Layer is to be consolidated to be molded by graphite, rubber, polytetrafluoroethylene (PTFE) or engineering plastics.
Preferably, described metal compression plate and/or the first n shape metal compression plates and/or metal push pedal and/or the 2nd n
Shape metal compression plate and/or metal push plate and/or metal compression push pedal are closed using stainless steel plate or alloy-steel plate or titanium
Golden plate machine-shaping.
Compared with prior art, the beneficial effects of the invention are as follows：When self-locking packing seal component and axle are used in conjunction with each other
When, if self-locking packing seal component is pressurized, the 3rd packing element therein gradually draws close the second adjacent packing element simultaneously vertically
Formed therewith after annular seal space, the second packing element stress and gradually draw close the first packing element vertically, finally make the first packing element with
Annular seal space is formed between the second adjacent packing element, after self-locking packing seal component is in lock sealing state, positioned at first
First n shape metal compression plates of packing element bottom by compression swelling, meanwhile, positioned at the second packing element bottom the 2nd n shapes metal by
Pressing plate is also by compression swelling, so that it is ring-like from compression self-locking manner lock that Multi-way type is formed between self-locking packing seal component and axle
Tightening seal；Again because the first packing element, the second packing element and the 3rd packing element are that metal material and nonmetallic materials are consolidated into
Type, therefore, self-locking packing seal component of the invention can effectively utilize the compensation between metal material and nonmetallic materials
With reference to so that the first packing element, the second packing element and the 3rd packing element can give full play to sealing function, but also can root
According to pressure medium size voluntarily adjust needed for sealing elasticity so that be effectively improved self-locking packing seal component by pressure energy
Power and from rebound performance, enables the sealing reliability of self-locking packing seal component to be greatly enhanced, and reduce it to axial plane
The puzzlement of suffered excess pressure, greatly reduces the torsional forces of axle.
Brief description of the drawings
Fig. 1 is a kind of structural map of self-locking packing seal component (axle sealing structure figure, embodiment one) of the invention.
Fig. 2 is the structural map of the first packing element in Fig. 1.
Fig. 3 is the structural map of the second packing element in Fig. 1.
Fig. 4 is the structural map of the 3rd packing element in Fig. 1.
Fig. 5 is a kind of structural map of self-locking packing seal component (axle sealing structure figure, embodiment two) of the invention.
Fig. 6 is the structural map of the second packing element in Fig. 5.
Fig. 7 is the structural map of the 3rd packing element in Fig. 5.
Marked in figure：1- axles, 2- baffle plates, the packing elements of 3- first, the packing elements of 4- second, the packing elements of 5- the 3rd, 6- annular seal spaces,
31- metal compression plates, the non-metallic fillers of 32- first layer, the n shape metal compression plates of 33- the first, 41- metal push pedals, 42- second is non-
Metallic filler layer, the n shape metal compression plates of 43- the 2nd, 51- metal push plate, the non-metallic fillers of 52- the 3rd layer, 53- metals are pressurized
Push pedal.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of self-locking packing seal component as shown in Figure 1, by the first packing element 3 of annular, the second packing element 4 and the 3rd
Packing element 5 constitutes serial type structure successively.The structure of first packing element 3 therein is as shown in Fig. 2 by the metal compression positioned at top
Plate 31, the first non-metallic fillers layer 32 positioned at middle part and the first n shape metals compression plate 33 positioned at bottom are mutually consolidated and formed.
The structure of the second described packing element 4 is as shown in figure 3, by the metal push pedal 41 positioned at top, second positioned at middle part nonmetallic
Packing layer 42 and the 2nd n shape metals compression plate 43 mutually consolidation positioned at bottom are formed, the section shape of metal push pedal 41 therein
Shape is inverted V-shaped.The structure of the 3rd described packing element 5 is as shown in figure 4, by the metal push plate 51 positioned at top, positioned at middle part
The 3rd non-metallic fillers layer 52 and positioned at bottom metal compression push pedal 53 mutually consolidate form, metal push plate 51 therein
Cross sectional shape be inverted V-shaped.Above-mentioned the first non-metallic fillers layer the 32, second non-metallic fillers the 42, the 3rd non-metallic fillers of layer
Layer 52 is consolidated by nonmetallic materials such as graphite, rubber, polytetrafluoroethylene (PTFE) or engineering plastics and is molded.Described metal push pedal 41,
Metal push plate 51 is to use stainless steel plate or alloy-steel plate or the ring plate of titanium alloy sheet machine-shaping.Described gold
Belong to compression plate 31, the first n shape metals compression plate 33, the 2nd n shape metals compression plate 43, metal compression push pedal 53 and also use stainless steel
Plate or alloy-steel plate or titanium alloy sheet machine-shaping.
As shown in figure 1, when above-mentioned self-locking packing seal component and axle 1 are used cooperatively, in the correct position of adjacent shaft 1
On be fixed with baffle plate 2, described axle 1 runs through the first packing element 3, the second packing element 4 and the 3rd packing element 5, and respectively with the
Form gap between one packing element 3, the second packing element 4, the 3rd packing element 5 to coordinate, the first packing element 3 therein is close to fixation
Baffle plate 2.When self-locking packing seal component is acted on by bottom-up pressure as shown in Figure 1, the positioned at bottom the 3rd fills out
Materials and parts 5 are moved upwards relative to axle 1, until positioned at the metal push plate 51 on the top of the 3rd packing element 5 and positioned at the 3rd packing element 5
2nd n shape metals compression plate 43 of the bottom of the second packing element 4 of surface is collectively forming an annular seal space 6；In the process,
Two packing elements 4 are moved upwards also relative to axle 1, until being located at the metal push pedal 41 on the top of the second packing element 4 with being filled out positioned at second
First n shape metals compression plate 33 of the bottom of the first packing element 3 directly over materials and parts 4 is collectively forming an annular seal space 6 so that first
Packing element 3, the second packing element 4, the 3rd packing element 5 are collectively forming the moving parts that an entirety is moved up, when therein
When one packing element 3 moves up to compression baffle plate 2 relative to axle 1, because baffle plate 2 is fixed relative to axle 1, therefore, by the
The moving parts that one packing element 3, the second packing element 4, the 3rd packing element 5 are collectively forming are static relative to baffle plate 2, axle 1, if from
Under upward pressure effect continue increase when, metal push plate 51 extrudes the 2nd n shape metals compression plate 43 adjacent thereto so that
The compression dilatancy of 2nd n shape metals compression plate 43, until the second packing element 4 and the formation sealing structure of axle 1.Similarly, metal
Push pedal 41 extrudes the first n shape metals compression plate 33 adjacent thereto so that the compression dilatancy of the first n shape metals compression plate 33,
Until the first packing element 3 and the formation sealing structure of axle 1.Therefore, Multi-way type ring is formd between self-locking packing seal component and axle 1
Lock sealing of the type from compression self-locking manner.It is this from compression by carrying out contrast experiment with traditional compression type sealing means
The sealing property of the sealing means of self-locking manner is significantly increased, so as to improve the self-locking packing seal group of the present invention
The sealing reliability of part.
Because the first packing element 3 therein, the second packing element 4 and the 3rd packing element 5 are metal material and non-metallic material
Material consolidation shaping, so that the self-locking packing seal component of the present invention can effectively utilize metal material and nonmetallic materials
Between compensation combine so that the first packing element 3, the second packing element 4 can give full play to sealing function；Simultaneously as golden
Category push plate 51 the 2nd n shape metals compression plate 43 adjacent thereto together form the annular seal space 6 of a wedge structure, and metal is pushed away
The first n shape metals compression plate 33 adjacent thereto of plate 41 also together form the annular seal space 6 of a wedge structure, pass through annular seal space
6 can reserve enough pressurize spaces, and it serves conclusive effect to the resilience for increasing self-locking packing seal component.From
Lock packing seal component has enough resiliences, and allowing for self-locking packing seal component can be according to pressure medium size voluntarily
Sealing elasticity needed for regulation, and original state when still may return to no pressure effect in pressure effect cancellation.By
The ring-like lock sealing from compression self-locking manner of Multi-way type is formed between self-locking packing seal component and axle 1, it belongs to a kind of
Line depressurizes filler compensation sealing, and sealing means are compression seal, can be discharged when not being pressurized in self-locking packing seal component
The pressure of annular seal space 6, so as to reduce its frictional resistance to axle 1, is greatly lowered the torsional forces of axle 1, is conducive to extending self-locking
The usage cycles and service life of packing seal component.
For applying the self-locking packing seal component in high temperature, high pressure working environment, in order to reduce therein the as far as possible
The deflection of one packing element 3, the second packing element 4 and the 3rd packing element 5, described metal compression plate 31, the first n shapes metal are pressurized
Plate 33, the 2nd n shape metals compression plate 43, metal compression push pedal 53 are preferably the stainless steel plate or alloy for using high temperature high voltage resistant
Steel plate or titanium alloy sheet machine-shaping, the first non-metallic fillers layer the 32, second non-metallic fillers the 42, the 3rd non-metallic fillers of layer
Layer 52 preferably consolidates shaping using graphite material.In order to improve between metal compression plate 31 and first non-metallic fillers layer 32
Consolidation strength, the cross sectional shape of metal compression plate 31 can be designed as it is inverted U-shaped, as shown in Figure 2.Pushed away to improve metal compression
Consolidation strength between the non-metallic fillers of plate 53 and the 3rd layer 52, can be designed as U by the cross sectional shape of metal compression push pedal 53
Shape, as shown in Figure 4.
Embodiment 2
A kind of self-locking packing seal component as shown in Figure 5, the structure of the second packing element 4 therein is as shown in fig. 6, by position
Metal push pedal 41 in top, the second non-metallic fillers layer 42 positioned at middle part and the 2nd n shape metal compression plates positioned at bottom
43 mutually consolidations are formed, and the cross sectional shape of metal push pedal 41 therein is " one " font.The structure of the 3rd described packing element 5 is such as
Shown in Fig. 7, by the metal push plate 51 positioned at top, the layer of the 3rd non-metallic fillers positioned at middle part 52 and the metal positioned at bottom
The mutually consolidation of compression push pedal 53 is formed, and the cross sectional shape of metal push plate 51 therein is " one " font.Other be the same as Examples 1,
It will not be repeated here.
For the self-locking packing seal component of said structure, when it is used cooperatively with axle 1 and is ultimately at lock sealing shape
During state, the annular seal space of a n shape structure is together form between the first n shape metals compression plate 33 and adjacent metal push pedal 41
6, the annular seal space 6 of a n shape structure is also together form between the n shape metals compression plate 43 of metal push plate 51 and the 2nd.But
It is, because the cross sectional shape of metal push pedal 41 therein, metal push plate 51 is " one " font, therefore, compared with Example 1,
On the premise of with identical correspondingly-sized parameter, the volume of the annular seal space 6 of n shapes structure is greater than embodiment 1 in embodiment 2
The volume of the annular seal space 6 of middle wedge structure, compared with Example 1, such structure design can cause self-locking packing seal group
The rebound performance of part is further improved, so that the sealing for further increasing the self-locking packing seal component of the present invention can
By property.
In order to ensure and improve the n that the 2nd n shape metals compression plate 43 adjacent thereto of metal push plate 51 is collectively forming
Shape seals the sealing property of inner chamber 6, and metal push pedal 41 the first n shape metals compression plate 33 adjacent thereto is collectively forming
N shapes seal the sealing property of inner chamber 6, as shown in fig. 6, the tip section of the second packing element 4 can be shaped to isosceles ladder
Shape, the apex angle α of its tip section can be 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 150 degree.Similarly, as shown in fig. 7, can
So that the tip section of the 3rd packing element 5 is shaped into isosceles trapezoid, the apex angle ss of its tip section can be 30 degree, 45 degree,
60 degree, 90 degree, 120 degree, 150 degree.
In addition, the second packing element 4 in self-locking packing seal component can set several, as shown in Figure 1, shown in Figure 5 from
Lock in packing seal component, the second packing element 4 is provided with 3, and is respectively positioned between the first packing element 3 and the 3rd packing element 5.The
The specific setting quantity of two packing elements 4 according to the installing space, activity space and seal request of self-locking packing seal component not
It is different together.For the self-locking packing seal component of this structure, because the second packing element 4 sets several, when self-locking filler
When being in lock sealing state between seal assembly and axle 1, a sealing can be also formed between two adjacent the second packing elements 4
Chamber 6, so that the quantity of the annular seal space 6 in self-locking packing seal component is increased, such structure design can be effectively
Improve the compression capability of self-locking packing seal component and from rebound performance, the sealing for further enhancing self-locking packing seal component can
By property, its puzzlement to excess pressure suffered by axial plane is reduced, the torsional forces of axle is significantly reduced.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of self-locking packing seal component, it is characterised in that：By the first packing element (3) of annular, the second packing element (4) and the
Three packing elements (5) constitute serial type structure successively, first packing element (3) by the metal compression plate (31) positioned at top, be located at
Middle part the first non-metallic fillers layer (32) and positioned at bottom the first n shape metal compression plates (33) mutually consolidate form, it is described
Second packing element (4) is by the metal push pedal (41) positioned at top, the layer of the second non-metallic fillers positioned at middle part (42) and the bottom of positioned at
The 2nd n shape metal compression plates (43) at end mutually consolidation is formed, and the 3rd packing element (5) is by the metal push plate positioned at top
(51), the 3rd non-metallic fillers layer (52) positioned at middle part and the metal compression push pedal (53) positioned at bottom, which are mutually consolidated, forms,
Under lock sealing state, the metal push plate (51) the 2nd n shape metal compression plates (43) adjacent thereto are collectively forming wedge
The annular seal space (6) of shape structure, the metal push pedal (41) the first n shape metal compression plates (33) adjacent thereto are collectively forming wedge shape
The annular seal space (6) of structure.
2. a kind of self-locking packing seal component according to claim 1, it is characterised in that：Described the second packing element (4)
Several are set, and is respectively positioned between the first packing element (3) and the 3rd packing element (5).
3. a kind of self-locking packing seal component according to claims 1 or 2, it is characterised in that：Described metal push pedal
(41) cross sectional shape is " one " font or inverted V-shaped.
4. a kind of self-locking packing seal component according to claims 1 or 2, it is characterised in that：Described metal is pushed
The cross sectional shape of plate (51) is " one " font or inverted V-shaped.
5. a kind of self-locking packing seal component according to claims 1 or 2, it is characterised in that：The second described filler
The tip section of part (4) is shaped as isosceles trapezoid.
6. a kind of self-locking packing seal component according to claims 1 or 2, it is characterised in that：The 3rd described filler
The tip section of part (5) is shaped as isosceles trapezoid.
7. a kind of self-locking packing seal component according to claim 1, it is characterised in that：Described metal compression plate (31)
Cross sectional shape to be inverted U-shaped.
8. a kind of self-locking packing seal component according to claim 1, it is characterised in that：Described metal compression push pedal
(53) cross sectional shape is U-shaped.
9. a kind of self-locking packing seal component according to claim 1, it is characterised in that：The first described non-metallic fillers
Layer (32) and/or the second non-metallic fillers layer (42) and/or the 3rd non-metallic fillers layer (52) be by graphite, rubber, polytetrafluoro
Ethene or engineering plastics consolidation shaping.
10. a kind of self-locking packing seal component according to claim 1, it is characterised in that：Described metal compression plate
(31) and/or the first n shape metal compression plates (33) and/or metal push pedal (41) and/or the 2nd n shape metal compression plates (43) and/
Or metal push plate (51) and/or metal compression push pedal (53) use alloy-steel plate machine-shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314446.6A CN105003732B (en) | 2015-06-10 | 2015-06-10 | A kind of self-locking packing seal component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314446.6A CN105003732B (en) | 2015-06-10 | 2015-06-10 | A kind of self-locking packing seal component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003732A CN105003732A (en) | 2015-10-28 |
| CN105003732B true CN105003732B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510314446.6A Active CN105003732B (en) | 2015-06-10 | 2015-06-10 | A kind of self-locking packing seal component |
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| CN (1) | CN105003732B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443575B (en) * | 2018-03-06 | 2020-01-14 | 宁波联博斯密封材料有限公司 | High-pressure multilayer composite filler for valve and manufacturing process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116451A (en) * | 1977-06-16 | 1978-09-26 | Maurer Engineering, Inc. | Shaft seal assembly and seal ring therefor |
| EP0480899A2 (en) * | 1990-10-09 | 1992-04-15 | Fisher Controls International, Inc. | Live load packing system |
| CN201110376Y (en) * | 2007-12-17 | 2008-09-03 | 张志伟 | Novel combined sealing filler loop |
| CN201836525U (en) * | 2010-10-19 | 2011-05-18 | 上海倍夫克阀门有限公司 | Valve packing |
| CN202418566U (en) * | 2011-12-17 | 2012-09-05 | 鞍钢重型机械有限责任公司 | Sealing structure for working cylinder of large hydraulic forging press |
| CN203115279U (en) * | 2013-04-02 | 2013-08-07 | 浙江贝尔控制阀门有限公司 | Graphite gland packing box |
-
2015
- 2015-06-10 CN CN201510314446.6A patent/CN105003732B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116451A (en) * | 1977-06-16 | 1978-09-26 | Maurer Engineering, Inc. | Shaft seal assembly and seal ring therefor |
| EP0480899A2 (en) * | 1990-10-09 | 1992-04-15 | Fisher Controls International, Inc. | Live load packing system |
| CN201110376Y (en) * | 2007-12-17 | 2008-09-03 | 张志伟 | Novel combined sealing filler loop |
| CN201836525U (en) * | 2010-10-19 | 2011-05-18 | 上海倍夫克阀门有限公司 | Valve packing |
| CN202418566U (en) * | 2011-12-17 | 2012-09-05 | 鞍钢重型机械有限责任公司 | Sealing structure for working cylinder of large hydraulic forging press |
| CN203115279U (en) * | 2013-04-02 | 2013-08-07 | 浙江贝尔控制阀门有限公司 | Graphite gland packing box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003732A (en) | 2015-10-28 |
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