CN207004593U - sealing structure for vehicle - Google Patents
sealing structure for vehicle Download PDFInfo
- Publication number
- CN207004593U CN207004593U CN201720463556.3U CN201720463556U CN207004593U CN 207004593 U CN207004593 U CN 207004593U CN 201720463556 U CN201720463556 U CN 201720463556U CN 207004593 U CN207004593 U CN 207004593U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealing structure
- guide member
- seal
- movable part
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of sealing structure for vehicle, including：Guide member and may pass through inside guide member relative to guide member move movable part；Guide member and the seal casinghousing passed through for movable part are threaded io, wherein, the gap between the external screw thread on internal thread and guide member on seal casinghousing is sealed by conforming to internal thread and externally threaded static seal.The purpose of this utility model is a kind of sealing structure that can be easily assembled on vehicle.
Description
Technical field
Vehicular field is the utility model is related to, more particularly, to a kind of sealing structure for vehicle.
Background technology
With the raising in global range to vehicular emission standards, such as California, USA discharge standard and Chinese state
Six discharge standards propose higher emission request to the discharge of engine.Such as require that engine air valve device must have
The valve stem seal put on stem guide, its function are to prevent fuel oil from entering blast pipe, cause the leakage of fuel oil, and
And prevent engine oil from leaking into combustion chamber.Generally, valve stem seal includes two seal members, i.e. dynamic lip-like
Seal and static seal.Wherein, dynamic lip seal provides radial load to prevent the oil in cylinder head to be downwardly into
Combustion chamber, and lubrication is provided to avoid undue wear between valve stem and stem guide；Static seal is used for will
Valve stem seal is fixed to stem guide, and prevents oil from being let out by the gap between static seal and stem guide
Leak into combustion chamber.
But the static seal of existing valve stem seal is rubber components of the vulcanization on valve stem seal housing, it
Need to be interference fitted between valve stem seal housing and stem guide.The defects of this design is：(1) led when in valve stem
Must have using special installation tool to install when valve stem seal is installed on pipe, installation cost and program are more.(2) when by gas
When door rod passes through valve stem seal, due to above-mentioned poor static seal design, valve stem seal can be assembled by mistake
Or come off from stem guide.To sum up, cause to be not easy to occur the phenomenon that valve stem seal is attached to stem guide.
Utility model content
For problem present in correlation technique, the purpose of this utility model is that one kind can be easily assembled to vehicle
On sealing structure.
The utility model provides a kind of sealing structure for vehicle, including：Guide member and it may pass through inside guide member
The movable part moved relative to guide member；Guide member and the seal casinghousing passed through for movable part are threaded io, wherein, capsul
The gap between the external screw thread on internal thread and guide member on body is close by conforming to internal thread and externally threaded static seal
Envelope.
According to the utility model, static seal is configured to corrugated film.
According to the utility model, static seal is configured to be solidificated in the anaerobism glue component on internal thread and external screw thread.
According to the utility model, static seal is configured to vulcanize the rubber components on internal thread and external screw thread.
According to the utility model, sealing structure also includes dynamic sealing, dynamic sealing be fixed to seal casinghousing and
It surround and is constrained to movable part.
According to the utility model, static seal is arranged on seal casinghousing separated from each other with dynamic sealing.
According to the utility model, dynamic sealing is configured to vulcanize the rubber components on seal casinghousing.
According to the utility model, dynamic sealing is configured to function as the lip-type packing of oil sealing.
According to the utility model, seal casinghousing has the flange around movable part, and dynamic sealing has convex for accommodating
The groove of edge.
According to the utility model, guide member is stem guide, and movable part is valve stem.
Advantageous effects of the present utility model are：
With on the movable part of vehicle, two for air-tight movable part are transported sealing structure of the present utility model relatively
Gap between dynamic movable part, prevents oil and gas leakage.Sealing structure of the present utility model includes seal casinghousing and static sealing
Part, seal casinghousing is arranged on guide member by screw thread, before or after installation inside and outside seal casinghousing and guide member
Anaerobic adhesive or rubber resolidification or vulcanization are coated between screw thread, so as to form the static seal that shape coordinates with internal and external threads.
It can be seen that the installation of sealing structure of the present utility model only needs manual or common air gun can be direct without extra specialist tools
Install；And good screw thread cooperation avoids movable part and passed through during sealing structure because rubber seal interference fit is led
The rubber seal bounce-back of cause is tilted or come off.
Brief description of the drawings
Fig. 1 is the profile of sealing structure of the present utility model.
Fig. 2 is Fig. 1 partial enlarged drawing.
Embodiment
With reference to figure 1 and Fig. 2, the utility model provides a kind of sealing structure for vehicle, including：Guide member 10 and can
The movable part 20 moved inside through guide member 10 relative to guide member 10；It is threaded io guide member 10 and is worn for movable part 20
The seal casinghousing 30 crossed, wherein, the gap between the external screw thread 11 on internal thread 31 and guide member 10 on seal casinghousing 30 by
The static seal 40 for conforming to internal thread 31 and external screw thread 11 seals.Exemplarily, static seal 40 is one layer and is filled in
Film between internal thread 31 and external screw thread 11, thus shown in Fig. 1 and Fig. 2 only along internal thread 31 and external screw thread 11
One boundary line.Sealing structure of the present utility model is with the movable part of vehicle, two phases for air-tight movable part
To the gap between the movable part of motion, oil and gas leakage is prevented.Sealing structure of the present utility model includes seal casinghousing 30 and quiet
State seal 40, seal casinghousing 30 is arranged on guide member 10 by screw thread, before or after installation in seal casinghousing 30
Anaerobic adhesive or rubber resolidification or vulcanization are coated between the internal and external threads of guide member 10, so as to form shape and internal and external threads
31st, 11 static seal 40 coordinated.It can be seen that sealing structure of the present utility model is installed without extra specialist tools,
Manual or common air gun is needed easily to be mounted directly up；And good screw thread cooperation avoids movable part through sealing
Rubber seal bounce-back caused by being interference fitted during structure due to rubber seal is tilted or come off.
In a specific embodiment, seal casinghousing 30 is set in the outside of guide member 10, and internal thread 31 is arranged on close
The inner surface of capsule body 30, external screw thread 11 are arranged on the outer surface of guide member 10, and internal thread 31 is intermeshed with external screw thread 11.It is quiet
State seal 40 is configured to corrugated film, and the corrugated concavo-convex trend is consistent with external screw thread 11 with internal thread 31.It is logical
The intermeshing of internal thread 31 and external screw thread 11 is crossed, the gap width between seal casinghousing 30 and guide member 10 can be reduced, from
And the gap between the i.e. salable internal thread 31 of very thin static seal 40 and external screw thread 11 is only needed, on the one hand save static
The material cost of seal 40, it is on the other hand convenient that static seal 40 is installed.
In a preferred embodiment, static seal 40 is configured to be solidificated in detesting on internal thread 31 and external screw thread 11
Oxygen glue component.Wherein, anaerobic adhesive is to seal bonding agent to one-component made of free radical inhibition principle using oxygen, can be not only used for gluing
Connect and can be used for sealing.When coated face just can solidify with air exclusion and in the case of catalysis in room temperature rapid polymerization.Detest
The constituent of oxygen glue is more complicated, using unsaturated monomer as main constituents, also has aromatic amine, phenols, aryl hydrazine, mistake
Oxide etc..Thus in the present embodiment, the method for forming static seal 40 can be first in internal thread 31 and external screw thread 11
On be respectively coated the anaerobic adhesive of liquid, then seal casinghousing 30 is screwed on guide member 10, then by anaerobic adhesive and air exclusion simultaneously
Catalysis anaerobic adhesive causes anaerobic adhesive to polymerize and solidify so as to form static seal 40.It would certainly understand from or will seal
Housing 30 again inculcates liquid anaerobic adhesive to gap therebetween after being screwed on guide member 10, finally polymerize and solidifies anaerobism
Glue is so as to forming static seal 40.Certainly anaerobism can also be coated with while seal casinghousing 30 is screwed on guide member 10
Glue, the utility model are not limited to this, and any appropriate method and step is used equally for herein.
In another preferred embodiment, static seal 40 is configured to vulcanization on internal thread 31 and external screw thread 11
Rubber components." vulcanization " can be crosslinked by the use of sulphur or a variety of non-sulphur as crosslinking agent to natural rubber.I.e. linear high score
Son is by crosslinked action and the technical process of net high-polymer that is formed.It is that plastic rubber is converted into elastic caoutchouc from physical property
Or the process of vulcanie.The rubber vulcanized has constant glutinous, is not easily broken, higher elasticity, heat resistance, tensile strength and
The speciality such as indissolubility in organic solvent.Cure of Rubber is on internal and external threads and tight with internal and external threads during vulcanization
Close combination.As described above, in the present embodiment can also before seal casinghousing 30 is screwed on guide member 10, afterwards or simultaneously
To be coated with rubber, here is omitted.
With continued reference to Fig. 1 and Fig. 2, sealing structure also includes dynamic sealing 50, and dynamic sealing 50 is fixed to capsul
Body 30 and around being constrained to movable part 20.It is appreciated that in one example, movable part 20 can be a rod-like element, move
State seal 50 can be a flexible ring-shaped article, and dynamic sealing 50 has the constraint along the radial direction of movable part 20
Power, dynamic sealing 50 is strapped on movable part 20.When movable part moves, dynamic sealing 50 is fitted tightly over activity
On part 20, prevent oil gas from being leaked along movable part 20.
Reference picture 2, static seal 40 are arranged on seal casinghousing 30 separated from each other with dynamic sealing 50.This is also
The difference of the utility model and prior art, in the prior art dynamic sealing be directly connected to static seal, and
Dynamic sealing is solidificated on seal casinghousing by static seal.In embodiment of the present utility model, static seal 40
It can be formed independently of dynamic sealing 50, so as to avoid the inclination of static seal in the installation process of prior art
Or come off.
With continued reference to Fig. 2, dynamic sealing 50 is configured to vulcanize the rubber components on seal casinghousing 30." sulphur herein
Change " technique and above-mentioned sulfuration process are same or like.Specifically, seal casinghousing 30 has the flange 32 around movable part 20,
Dynamic sealing 50 has the groove 51 for being used for accommodating flange 32.Pass through such flange and recessinterengaging means and vulcanization work
Skill, dynamic sealing 50 can be fixed on seal casinghousing 30, and in the motion process of movable part 20, dynamic sealing 50 is relative
It is static in guide member 10, the sealing effectiveness between good movable part 20 and guide member 10 can be played.More specifically, dynamic is close
Sealing 50 is it is so structured that be used as the lip-type packing of oil sealing, preferably to play sealing effectiveness.
In a specific embodiment, guide member 10 is stem guide, and movable part 20 is valve stem.The utility model
Sealing structure be used for vehicle valve mechanism.It would certainly understand from, sealing structure of the present utility model is also used in other needs
On two movable parts that can be movable relatively of sealing.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. sealing structure for vehicle, it is characterised in that including：Guide member and may pass through inside the guide member relative to the guide member move movable part；The guide member and the seal casinghousing passed through for the movable part are threaded io, wherein, it is interior on the seal casinghousing The gap between external screw thread on screw thread and the guide member is by conforming to the internal thread and the externally threaded static sealing Part seals.
- 2. sealing structure according to claim 1, it is characterised in that the static seal is configured to corrugated thin Film.
- 3. sealing structure according to claim 1, it is characterised in that the static seal is configured to be solidificated in described Anaerobism glue component on screw thread and the external screw thread.
- 4. sealing structure according to claim 1, it is characterised in that the static seal is configured to vulcanization described interior Rubber components on screw thread and the external screw thread.
- 5. sealing structure according to claim 1, it is characterised in that the sealing structure also includes dynamic sealing, institute State dynamic sealing and be fixed to the seal casinghousing and around being constrained to the movable part.
- 6. sealing structure according to claim 5, it is characterised in that the static seal and the dynamic sealing phase Mutually it is separately provided on the seal casinghousing.
- 7. sealing structure according to claim 5, it is characterised in that the dynamic sealing is configured to vulcanization described close Rubber components on capsule body.
- 8. sealing structure according to claim 5, it is characterised in that the dynamic sealing is configured to function as the lip of oil sealing Shape sealing ring.
- 9. sealing structure according to claim 5, it is characterised in that the seal casinghousing has around the movable part Flange, the dynamic sealing have the groove for being used for accommodating the flange.
- 10. according to the sealing structure described in any one of claim 1-9, it is characterised in that the guide member is valve stem Conduit, the movable part are valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463556.3U CN207004593U (en) | 2017-04-28 | 2017-04-28 | sealing structure for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463556.3U CN207004593U (en) | 2017-04-28 | 2017-04-28 | sealing structure for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004593U true CN207004593U (en) | 2018-02-13 |
Family
ID=61442756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463556.3U Expired - Fee Related CN207004593U (en) | 2017-04-28 | 2017-04-28 | sealing structure for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065528A (en) * | 2020-08-07 | 2020-12-11 | 浙江锋锐发动机有限公司 | Engine valve radial adjusting mechanism and method and valve actuating mechanism |
-
2017
- 2017-04-28 CN CN201720463556.3U patent/CN207004593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065528A (en) * | 2020-08-07 | 2020-12-11 | 浙江锋锐发动机有限公司 | Engine valve radial adjusting mechanism and method and valve actuating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |