CN206770614U - The auxiliary sealing member sealed to annular space space - Google Patents
The auxiliary sealing member sealed to annular space space Download PDFInfo
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- CN206770614U CN206770614U CN201720302112.1U CN201720302112U CN206770614U CN 206770614 U CN206770614 U CN 206770614U CN 201720302112 U CN201720302112 U CN 201720302112U CN 206770614 U CN206770614 U CN 206770614U
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- auxiliary sealing
- primary seal
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- seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 173
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 239000000084 colloidal system Substances 0.000 claims description 37
- 238000009954 braiding Methods 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000007493 shaping process Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The application is related to field of sealing technology, more particularly to a kind of auxiliary sealing member sealed to annular space space.The hardness of auxiliary sealing member is more than the hardness of primary seal and flexible；When auxiliary sealing member and primary seal, which mutually contradict, to be positioned in annular space space, apply the seal pressure of longitudinal direction to auxiliary sealing member and primary seal using pressing piece, auxiliary sealing member generation transverse deformation and inconsistent with the first part to be sealed and second seal occurs when transverse deformation mutually seals with the first part to be sealed and second seal for primary seal.Because the hardness of auxiliary sealing member is more than the hardness of primary seal, the transverse deformation of primary seal is more than the transverse deformation of auxiliary sealing member under seal pressure effect.Auxiliary sealing member is set to reduce or prevent the movement of primary seal, it is therefore prevented that the problem of causing primary seal not seal because of longitudinal pressure in seal process or after sealing.
Description
Technical field
The application is related to field of sealing technology, more particularly to a kind of auxiliary sealing member sealed to annular space space and sealing
Method.
Background technology
Pressure part is fixed on the inwall of the first part to be sealed, or is fixed on the outer wall of the second part to be sealed.To hold
Exemplified by casting die is fixed on the inwall of the first part to be sealed, as shown in figure 1, in sealing, needed inside and outside primary seal
The outer wall of the inwall of first part to be sealed and the second part to be sealed is sealed；After sealing, the inside edge phase of primary seal
Relative free state is in for pars intermedia.In seal process, if suffered by the both sides up and down of the inside edge of primary seal
Longitudinal pressure it is different, such as when fluid motion be present inside the first part to be sealed, the inside edge of primary seal is sealing
During side compared to opposite side necessarily by bigger pressure, cause the inside edge of primary seal to the side of fluid motion
To slip, lead to not complete seal failure.After sealing, if as shown in Fig. 2 height occurs in the inside edge side of primary seal
Calm the anger body or high-pressure fluid situations such as, then the inside edge of primary seal to low pressure direction move, cause primary seal to be lost
Effect.
Further, since the hardness of pressing piece and pressure part is all higher than the hardness of primary seal, as shown in figure 1, sealing
Cheng Zhong, pressing piece are embedded into primary seal with pressure part.Fracture is originally very easy at embedded, along with primary seal
Primary seal more aggravates in inside edge movement caused by longitudinal pressure difference suffered by the both sides up and down of inside edge
The possibility that primary seal is broken at insertion, the probability for leading to not sealing are significantly increased.
As described above, no matter the longitudinal pressure difference suffered by the both sides up and down of the inside edge of primary seal come across it is close
During envelope or after sealing, finally annular space space can not be sealed.
Firstly, since pressing piece needs to move in the cylindrical space that the first part to be sealed surrounds, when move distance is longer
When, it is necessary to space be left between pressing piece and the first part to be sealed, to prevent pressing piece to be stuck in the first part to be sealed.Secondly,
Space is set between pressure part and the second part to be sealed, is possible to make fluid flow in cylindrical space again as needed.
The situation that pressure part is fixed on the outer wall of the second part to be sealed is similar, repeats no more.
Therefore, how to prevent that primary seal from can not seal or seal failure in annular space space, and it is empty in tubular for fluid
Interior flowing provides design leeway, is urgent problem.
Utility model content
The primary seal that the purpose of the application is to prevent annular space from sealing is in inside edge or outer edge because up and down
Unbalance stress and the problem of cause seal failure.
Further object is solve the problems, such as that primary seal is easily broken off at insertion.
The further object of the application be to reduce or prevent primary seal inside edge or outer edge on move down
It is dynamic, while reduce or prevent fracture of the primary seal at insertion.
Another purpose of the application, which is to flow in cylindrical space for fluid, provides design leeway.
According to the one side of the application, there is provided a kind of encapsulating method sealed to annular space space, including：
A, selects two auxiliary sealing members, and the hardness of each auxiliary sealing member is all higher than the hardness of primary seal and had
Elasticity, wherein the auxiliary sealing member and the primary seal are annular；
B, in the longitudinal direction, make under upper surface and one of them described auxiliary sealing member of the primary seal
Surface mutually contradicts, and the lower surface of the primary seal is mutually contradicted with the upper surface of auxiliary sealing member another described；Its
In, the seal pressure that the auxiliary sealing member under is used to before preventing from sealing apply causes the bottom of the primary seal to be pressed
Burst, be used to prevent that sealing after-applied longitudinal pressure causes the top of the primary seal to be pressed in the upper auxiliary sealing member
Burst；
C, each auxiliary sealing member and the primary seal are sheathed on the second part to be sealed and are positioned over by outside
The first part to be sealed and the described second part to be sealed composition inside the annular space space extended in a longitudinal direction in,
And it is positioned on the pressure part；
D, apply the sealing pressure of longitudinal direction to each auxiliary sealing member and the primary seal using the pressing piece
Power, until each auxiliary sealing member occur transverse deformation and respectively with the described first part to be sealed and second part to be sealed
Inconsistent and described primary seal occurs transverse deformation and mutually sealed with the described first part to be sealed and second part to be sealed.
Preferably, in step, the auxiliary sealing member includes support frame and is solidificated in carrying on the support frame
For the elastic colloid, the hardness of the auxiliary sealing member is obtained so that described by the support frame with the colloid
The hardness of auxiliary sealing member is more than the hardness of the primary seal.
According to further aspect of the application, there is provided a kind of auxiliary sealing member sealed to annular space space, it is described auxiliary
The hardness of seal is helped to be more than the hardness of primary seal and flexible；Wherein described auxiliary sealing member and the primary seal are equal
For annular；
Treated when the auxiliary sealing member is sheathed on primary seal the second part to be sealed and is positioned over by first outside
In the annular space space extended in a longitudinal direction of seal and the described second part to be sealed composition inside, the auxiliary
When seal is mutually contradicted and is positioned on pressure part with the primary seal in the longitudinal direction, the auxiliary sealing member
It is defined to, applies the seal pressure of longitudinal direction to the auxiliary sealing member and the primary seal using pressing piece, the auxiliary is close
Transverse deformation and inconsistent and the master is close with the described first part to be sealed and second part to be sealed respectively occurs for sealing
Sealing occurs transverse deformation and mutually sealed with the described first part to be sealed and second part to be sealed.
Preferably, the primary seal is to the direction of an auxiliary sealing member and the direction phase of the longitudinal pressure
Together.
Preferably, the upper surface of the primary seal and the lower surface of an auxiliary sealing member mutually contradict, described
The lower surface of primary seal and the upper surface of auxiliary sealing member another described mutually contradict.
Preferably, the offer institute that the auxiliary sealing member includes the support frame of annular and is solidificated on the support frame
The colloid of elasticity is stated, the hardness of the auxiliary sealing member is obtained so that the auxiliary by the support frame and the colloid
The hardness of seal is more than the hardness of primary seal.
Preferably, the support frame is woven to annular by multi-filament line and formed, and has gap between each silk thread；Institute
State colloid be filled in the gap and each silk thread on.
Preferably, an annular silk screen serves as the support frame, and the silk screen is formed by the braiding of multi-filament line, described
There is the braiding hole formed by silk thread braiding on silk screen；The colloid is filled in the braiding hole and each silk thread
On.
Preferably, multiple annular silk screens are bonded to each other into the support frame, each silk screen in the height direction
It is connected with each other in the height direction and the support frame is structure as a whole；
The silk screen is formed by the braiding of multi-filament line, has the braiding hole formed by silk thread braiding on the silk screen；
The colloid is filled in the braiding hole and on each silk thread.
Preferably, the silk thread of a wire part and the silk thread of the part of the adjacent silk screen mutually twine
Around, and cause the support frame to be structure as a whole.
Preferably, the silk thread is wire or filament.
Preferably, the primary seal and the auxiliary sealing member are all connected on the pressing piece.
The technical scheme that the application provides at least has the following technical effect that：
1st, according to embodiments herein, because the hardness of auxiliary sealing member is more than the hardness of primary seal, pressed in sealing
Although the lower primary seal of power effect and auxiliary sealing member deform upon laterally, the transverse deformation of primary seal is more than auxiliary
The transverse deformation of seal.Auxiliary sealing member is set to reduce or prevent the movement of primary seal inside edge or outer edge,
Prevent in seal process or sealing after the problem of causing primary seal not seal because of longitudinal pressure.
2nd, in one embodiment of the application, primary seal to auxiliary sealing member is identical with the direction of longitudinal pressure, applies
Casting die directly acts on auxiliary sealing member, and the amplitude that auxiliary sealing member is upturned is also smaller, so reduces pressing piece insertion
The depth of auxiliary sealing member, it is therefore prevented that fracture of the primary seal at insertion.Further, since longitudinal pressure directly act on master it is close
The inside edge of primary seal is caused to move up on sealing, pressure part will not be embedded in primary seal or because of longitudinal pressure on the contrary
Power can reduce the depth of pressure part insertion primary seal, it is therefore prevented that fracture of the auxiliary sealing member at insertion.
3rd, in one embodiment of the application, primary seal and auxiliary sealing member are commonly connected on pressing piece.Close
It is honored as a queen, removable pressing piece takes out primary seal and auxiliary sealing member, and such fluid can is recovered in cylindrical space
Flowing.
4th, in one embodiment of the application, auxiliary sealing member is arranged on the both sides up and down of primary seal, and up and down
The auxiliary sealing member effect of both sides is different：The seal pressure that auxiliary sealing member under applies before preventing from sealing causes primary seal
The bottom of part can prevent that sealing after-applied longitudinal pressure causes the top quilt of primary seal by conquassation in upper auxiliary sealing member
Conquassation.
Brief description of the drawings
Some specific embodiments of the application are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.In accompanying drawing：
Fig. 1 is primary seal and pressing piece and the profile of pressure part after sealing；
Fig. 2 is the profile after primary seal is further acted on by longitudinal pressure shown in Fig. 1；
Fig. 3 is cuing open after primary seal shown in Fig. 1 is used cooperatively with auxiliary sealing member and further acted on by longitudinal pressure
Face figure；
Fig. 4 is the structural representation of the silk screen for serving as support frame of the application one embodiment；
Fig. 5 is the structural representation after the part braiding hole filling colloid of silk screen shown in Fig. 4；
Fig. 6 is the structural representation of the auxiliary sealing member of one embodiment, and wherein support frame is mutually pasted by multiple silk screens
Conjunction forms；
Fig. 7 is the structural representation of the support frame of the application one embodiment；
Fig. 8 is the profile of the auxiliary sealing member of the application one embodiment；
Fig. 9 is the step flow chart of the encapsulating method sealed to annular space space of the application one embodiment.
Reference in figure is as follows：
10- auxiliary sealing members, 101- support frames, 101a- silk screens, 101b- braidings hole, 101c- silk threads, 102- colloids；
20- primary seals；
The first parts to be sealed of 31-, the second parts to be sealed of 32-；
40- annular space spaces；
50- pressure parts；
60- pressing pieces；
F1- longitudinal pressures.
Embodiment
" longitudinal direction " described below, " transverse direction ", " on " direction noun is used as benchmark using Fig. 3.
A kind of auxiliary sealing member 10 sealed to annular space space 40, the hardness of auxiliary sealing member 10 are more than primary seal
20 hardness is simultaneously flexible and be annular.Auxiliary sealing member 10 is sheathed on the second part to be sealed with primary seal 20
32, and it is positioned over the extension in a longitudinal direction being made up of the first part 31 to be sealed outside and the second part 32 to be sealed inside
Annular space space 40 in, and auxiliary sealing member 10 and primary seal 20 mutually contradict and are positioned over pressure part in a longitudinal direction
When on 50, apply longitudinal seal pressure, auxiliary sealing member 10 to auxiliary sealing member 10 and primary seal 20 using pressing piece 60
Generation transverse deformation is simultaneously inconsistent and horizontal stroke occurs for primary seal 20 with the first 31 and second part 32 to be sealed of part to be sealed respectively
Sealed to deformation and the first part 31 to be sealed and second phase of part 32 to be sealed.
According to embodiments herein, because the hardness of auxiliary sealing member 10 is more than the hardness of primary seal 20, sealing
Although the lower primary seal 20 of pressure effect and auxiliary sealing member 10 deform upon laterally, the transverse deformation of primary seal 20
More than the transverse deformation of auxiliary sealing member 10.Primary seal 20 is auxiliary when being sealed with the first 31 and second part 32 to be sealed of part to be sealed
Help seal 10 only inconsistent with the first 31 and second part 32 to be sealed of part to be sealed, and this can be by adjusting auxiliary sealing member
10 hardness is realized.In this way, the longitudinal pressure F provided by fluid as shown in Figure 21Applied to the inside edge of primary seal 20
During pressure, the inside edge of primary seal 20 is by longitudinal pressure F1The inside edge of auxiliary sealing member 10 is passed to, it is close due to aiding in
The hardness of sealing 10 is more than the hardness of primary seal 20, and auxiliary sealing member 10 will prevent the inside edge of primary seal 20 to moving up
Dynamic, the distance that such auxiliary sealing member 10 moves up will diminish.Also, work as longitudinal pressure F1When being decreased to a certain value, such as
As shown in Fig. 2, longitudinal pressure F1Although the inside edge of primary seal 20 can be individually promoted to move up, not
It is enough to promote auxiliary sealing member 10 to move up, can not also promotes auxiliary sealing member 10 together with primary seal 20 to moving up certainly
It is dynamic.As shown in figure 3, auxiliary sealing member 10 is set to reduce or prevent the inside edge of primary seal 20 to move up, it is therefore prevented that
In seal process or sealing after because of longitudinal pressure F1And the problem of causing primary seal 20 not seal.Correspondingly, pressure part is worked as
50 with the second part 32 to be sealed when being connected and the annular space space 40 is located at the periphery of pressure part 50, and auxiliary sealing member 10 is same
Can solve in seal process or after sealing because of longitudinal pressure F1And the problem of causing primary seal 20 not seal.
In one embodiment of the application, primary seal 20 to auxiliary sealing member 10 and longitudinal pressure F1Direction phase
Together, that is to say, that longitudinal pressure F1The indirectly-acting of primary seal 20 is directly acted in auxiliary sealing member 10, and pressing piece 60 is straight
Connect and act on the indirectly-acting of auxiliary sealing member 10 in primary seal 20.The indirectly-acting of pressing piece 60 is in primary seal 20, primary seal
The amplitude that part 20 is upturned is smaller；Because auxiliary sealing member 10 is harder, when pressing piece 60 directly acts on auxiliary sealing member 10,
As shown in figure 3, the amplitude that auxiliary sealing member 10 is upturned is also smaller, so reduces pressing piece 60 and be embedded in auxiliary sealing member 10
Depth, it is therefore prevented that fracture of the primary seal 20 at insertion.Further, since longitudinal pressure F1Directly act on primary seal 20
On cause the inside edge of primary seal 20 to move up, pressure part 50 as shown in Figure 3 will not be embedded in primary seal 10 on the contrary
Or because of longitudinal pressure F1The depth that pressure part 50 is embedded in primary seal 10 can be reduced, it is therefore prevented that auxiliary sealing member 10 is in insertion
The fracture at place.
In one embodiment of the application, the upper surface of primary seal 20 and the lower surface phase of an auxiliary sealing member 10
Mutually contradict, the lower surface of primary seal 20 and the upper surface of another auxiliary sealing member 10 mutually contradict.That is, primary seal
Respectively fitting up and down for part 20 has an auxiliary sealing member 10, forms sandwich structure.Auxiliary sealing member 10 under is used
The seal pressure of application causes the bottom of primary seal 20 to be used to prevent in upper auxiliary sealing member 10 by conquassation before preventing from sealing
Only sealing after-applied longitudinal pressure causes the top of the primary seal 20 by conquassation.
In the embodiment shown in fig. 3, primary seal 20 and auxiliary sealing member 10 can also be commonly connected on pressing piece 60,
Such as primary seal 20 can be held onto from bottom with bonding jumper and be connected the bonding jumper with pressing piece 60.After sealing,
Removable pressing piece 60 takes out primary seal 20 and auxiliary sealing member 10, and such fluid can is recovered in cylindrical space
Flowing.
It is previously mentioned, the hardness of auxiliary sealing member 10 is more than the hardness of primary seal 20, and the application passes through following structure/side
Method adjusts the hardness of auxiliary sealing member 10.
In one embodiment, auxiliary sealing member 10 includes support frame 101 and the offer being solidificated on support frame 101
The colloid 102 of elasticity, the hardness of auxiliary sealing member 10 are obtained so that auxiliary sealing member by support frame 101 and colloid 102
10 hardness is more than the hardness of primary seal 20.Such as can individually to change the shape of support frame 101 required hard to obtain
Spend, either the shape and regulation colloid 102 separately through the regulation amount of colloid 102 to obtain or by changing support frame 101
Measure to obtain.
Usually, the hardness of support frame 101 is naturally larger than the hardness of colloid 102, so in the shape of support frame 101
After it is determined that, the hardness of the more at most auxiliary sealing member 10 of colloid 102 of involvement is smaller, can be needed by the experiment of limited number of time
Hardness.Therefore hereafter focus on to describe the alteration of form of support frame 101.
In Fig. 7 and embodiment illustrated in fig. 8, support frame 101 is woven to annular by multi-filament line 101c and formed, each silk thread
There is gap between 101c, colloid 102 be filled in gap and each silk thread 101c on.
The application also provides the manufacture method of auxiliary sealing member 10 shown in a kind of Fig. 7 and Fig. 8, comprises the following steps：
A1, long rope is woven into using multi-filament line 101c.
A2, long rope is surrounded to the support frame 101 of annular.
A3, support frame 101 is positioned in the shaping mould of annular.
A4, it is in the gap that colloid 102 is filled between each silk thread 101c and each to make that colloid 102 is injected into shaping mould
On silk thread 101c.
A5, the colloid 102 in shaping mould is set to be formed by curing auxiliary sealing member 10.
In the embodiment shown in fig. 4, an annular silk screen 101a serves as support frame 101, and silk screen 101a is by multi-filament
Line 101c braidings form, and have the braiding hole 101b formed by silk thread 101c braidings on silk screen 101a.Colloid 102 is filled in braiding
In the 101b of hole and on each silk thread 101c.In the embodiment shown in fig. 5, only schematically illustrate and filled out in two braiding hole 101b
Colloid 102 is filled, colloid 102 all should be filled in all braiding hole 101b in real work, to keep auxiliary sealing member 10 each
Individual part all has identical hardness.The size that hole 101b can be woven by adjusting is silk screen 101a density degree come indirectly
Regulation incorporate support frame 101 colloid 102 amount, that is to say, that when braiding hole 101b it is smaller i.e. silk screen 101a braiding it is closeer
When, the amount of the colloid 102 of involvement support frame 101 is fewer, and the auxiliary sealing member 10 of shaping is harder.
In the embodiment shown in fig. 6, five silk screen 101a are bonded to each other into support frame 101, figure in the height direction
Not shown in silk screen 101a circular hole.The silk screen 101a of other quantity can also be arranged as required in other embodiments.Example
Such as, it will be apparent that, when it is that auxiliary sealing member 10 is thicker that silk screen 101a quantity, auxiliary sealing member 10 acts in longitudinal pressure F1
Upward displacement is smaller down, can preferably play sealing function.Silk screen 101a shown in Fig. 6 is equally woven by multi-filament line 101c
Form, there is the braiding hole 101b formed by silk thread 101c braidings on silk screen 101a；Colloid 102 be filled in braiding hole 101b in
And on each silk thread 101c.Each silk screen 101a is connected with each other and support frame 101 is structure as a whole in the height direction, the connection
It can be realized or by the bonding solidification of colloid 102 by mutually weaving or winding different silk screen 101a silk thread 101c
Realize together, integrative-structure can prevent that each silk screen 101a is mutually slided when auxiliary sealing member 10 is pressurized, and is improved auxiliary
Help the reliability of structure of seal 10.In Fig. 6, the involvement amount of colloid 102 is represented by the difference of the gray scale in braiding hole 101b
Difference.
The application also provides a kind of manufacture method of auxiliary sealing member 10 shown in Fig. 6, including：
B1, the silk screen 101a with braiding hole 101b, silk screen 101a center tool are woven into using multi-filament line 101c
There is circular hole.
B2, multiple silk screen 101a are bonded to each other and connected in the height direction, form the support frame of integrative-structure
101。
B3, support frame 101 is positioned in the shaping mould of annular.
B4, colloid 102 is injected into shaping mould to make each silk screen 101a's that colloid 102 is filled in support frame 101
Weave in the 101b of hole and on each silk thread 101c.
B5, the colloid 102 in shaping mould is set to be formed by curing auxiliary sealing member 10.
In one embodiment of the application, silk thread 101c is wire or filament.Metal wire knitted into silk screen
The hardness of auxiliary sealing member 10 can be significantly increased in 101a, and can be suitably used for hot environment.In one embodiment, fiber is worked as
Auxiliary sealing member 10 is partially hard when the quantity of silk is more, and when filametntary negligible amounts, auxiliary sealing member 10 is partially soft, thus may be used
To adjust the soft or hard degree of auxiliary sealing member 10 according to filametntary quantity, to adjust the compression strength model of auxiliary sealing member 10
Enclose.
As shown in figure 9, the application also provides a kind of encapsulating method sealed to annular space space 40, including：
S1, select auxiliary sealing member 10.In this step, two annular and hardness are selected more than primary seal 20
Hardness and flexible auxiliary sealing member 10.
S2, auxiliary sealing member 10 and primary seal 20 are set.In this step, two auxiliary sealing members 10 and primary seal are made
Part 20 mutually contradicts in a longitudinal direction.
S3, the direction of auxiliary sealing member 10 is set.In this step, make two auxiliary sealing members 10 respectively with primary seal
About 20.
S4, it is positioned in annular space space 40.In this step, auxiliary sealing member 10 and primary seal 20 are placed in by first
In the annular space space 40 extended in a longitudinal direction of 31 and second part 32 to be sealed of part composition to be sealed, and it is positioned over pressure part
On 50.
S5, pressure sealing.In this step, longitudinal direction is applied to auxiliary sealing member 10 and primary seal 20 using pressing piece 60
Seal pressure, until auxiliary sealing member 10 occurs transverse deformation and to offset with the first 31 and second part 32 to be sealed of part to be sealed
Touch and primary seal 20 occurs transverse deformation and sealed with the first phase of part 32 to be sealed of part 31 and second to be sealed.
In one embodiment, in step sl, auxiliary sealing member 10 includes support frame 101 and is solidificated in support frame
The colloid 102 of offer elasticity on 101, the hardness of auxiliary sealing member 10 by support frame 101 and colloid 102 obtaining so that
The hardness of auxiliary sealing member 10 is more than the hardness of primary seal 20.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the multiple of the application and show
Example property embodiment, still, still can be direct according to present disclosure in the case where not departing from the application spirit and scope
It is determined that or derive many other variations or modifications for meeting the application principle.Therefore, scope of the present application is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
- A kind of 1. auxiliary sealing member (10) sealed to annular space space (40), it is characterised in thatThe hardness of the auxiliary sealing member (10) is more than the hardness of primary seal (20) and flexible, wherein the auxiliary seal Part (10) and the primary seal (20) are annular；When the auxiliary sealing member (10) and primary seal (20) are sheathed on the second part (32) to be sealed and are positioned over by outside The first part (31) to be sealed and the described second part (32) to be sealed composition inside the ring extended in a longitudinal direction In absolutely empty (40), the auxiliary sealing member (10) mutually contradicts and put in the longitudinal direction with the primary seal (20) When being placed on pressure part (50), the auxiliary sealing member (10) is defined to, using pressing piece (60) to the auxiliary sealing member (10) seal pressure of longitudinal direction is applied with the primary seal (20), transverse deformation and difference occur for the auxiliary sealing member (10) With the described first part (31) to be sealed and second part (32) to be sealed be inconsistent and the primary seal (20) occur it is horizontal Mutually sealed to deformation and the described first part (31) to be sealed and second part (32) to be sealed.
- 2. auxiliary sealing member (10) according to claim 1, it is characterised in thatThe direction of the primary seal (20) to an auxiliary sealing member (10) is identical with the direction of the longitudinal pressure.
- 3. auxiliary sealing member (10) according to claim 1, it is characterised in thatThe upper surface of the primary seal (20) and the lower surface of an auxiliary sealing member (10) mutually contradict, and the master is close The lower surface of sealing (20) and the upper surface of auxiliary sealing member another described (10) mutually contradict.
- 4. auxiliary sealing member (10) according to claim 1, it is characterised in thatThe auxiliary sealing member (10) includes the support frame (101) of annular and is solidificated in carrying on the support frame (101) For the elastic colloid (102), the hardness of the auxiliary sealing member (10) passes through the support frame (101) and the colloid (102) come obtain so that the auxiliary sealing member (10) hardness be more than primary seal (20) hardness.
- 5. auxiliary sealing member (10) according to claim 4, it is characterised in thatThe support frame (101) is woven to annular by multi-filament line (101c) and formed, and has between each silk thread (101c) Gap；The colloid (102) be filled in the gap and each silk thread (101c) on.
- 6. auxiliary sealing member (10) according to claim 4, it is characterised in thatOne annular silk screen (101a) serves as the support frame (101), and the silk screen (101a) is by multi-filament line (101c) Braiding forms, and has the braiding hole (101b) formed by the silk thread (101c) braiding on the silk screen (101a)；The colloid (102) it is filled in braiding hole (101b) and on each silk thread (101c).
- 7. auxiliary sealing member (10) according to claim 4, it is characterised in thatMultiple annular silk screens (101a) are bonded to each other into the support frame (101), each silk screen in the height direction (101a) is connected with each other and the support frame (101) is structure as a whole in the height direction；The silk screen (101a) is formed by multi-filament line (101c) braiding, is had on the silk screen (101a) by the silk thread The braiding hole (101b) that (101c) braiding forms；The colloid (102) is filled in braiding hole (101b) and each described On silk thread (101c).
- 8. auxiliary sealing member (10) according to claim 7, it is characterised in thatThe silk thread (101c) of one silk screen (101a) part and the silk of the part of the adjacent silk screen (101a) Line (101c) is mutually wound, and causes the support frame (101) to be structure as a whole.
- 9. auxiliary sealing member (10) according to claim 5, it is characterised in thatThe silk thread (101c) is wire or filament.
- 10. auxiliary sealing member (10) according to claim 1, it is characterised in thatThe primary seal (20) and the auxiliary sealing member (10) are all connected on the pressing piece (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302112.1U CN206770614U (en) | 2017-03-27 | 2017-03-27 | The auxiliary sealing member sealed to annular space space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302112.1U CN206770614U (en) | 2017-03-27 | 2017-03-27 | The auxiliary sealing member sealed to annular space space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770614U true CN206770614U (en) | 2017-12-19 |
Family
ID=60633714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720302112.1U Active CN206770614U (en) | 2017-03-27 | 2017-03-27 | The auxiliary sealing member sealed to annular space space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770614U (en) |
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2017
- 2017-03-27 CN CN201720302112.1U patent/CN206770614U/en active Active
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