CN207813756U - A kind of electronic throttle door sealing system - Google Patents
A kind of electronic throttle door sealing system Download PDFInfo
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- CN207813756U CN207813756U CN201820105648.9U CN201820105648U CN207813756U CN 207813756 U CN207813756 U CN 207813756U CN 201820105648 U CN201820105648 U CN 201820105648U CN 207813756 U CN207813756 U CN 207813756U
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- air throttle
- sealing ring
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Abstract
The utility model provides a kind of electronic throttle door sealing system, including air throttle trunnion, air throttle gear-box, lid, control circuit board, valve shaft and the first sealing ring, the first cylinder is equipped between air throttle trunnion and air throttle gear-box, air throttle trunnion is equipped with the second cylinder, first sealing ring is pressed by press-loading device between valve shaft and the inner wall of the first cylinder, the circle pars intramuralis of first sealing ring is equipped with the metallic framework of circular ring shape, and sealing lip is set on the inside of the first sealing ring.The utility model can prevent the corrosive gas of high pressure or liquid from entering the damage for causing related components in air throttle gear-box, extraneous sludge, water etc. can be resisted again to enter inside air throttle gear-box and air throttle trunnion, the sealing performance for improving sealing of high degree and the service life of the first sealing ring reduce the risk of the first sealing ring sealing function failure.
Description
Technical field
The utility model belongs to sealing system technical field, specifically a kind of electronic throttle door sealing system.
Background technology
Electronic throttle is widely used on internal-combustion engine vehicle, and is installed in air inlet pipeline.Electronic throttle
Generally comprise the valve block being installed in air throttle trunnion, valve block is rotated by the rotation of valve shaft come band moving valve plate, with this control into
Enter the air mass flow in cylinder.One end of axis is equipped with magnet rotor, and control circuit board is obtained by the rotation of inductiopn rotor
Go out the accurate angle of air throttle valve block unlatching.
Electronic throttle assembly is installed in engine nacelle when in use, working environment very severe.It is current to increase
Pressure system and gas recirculation system are widely used in internal combustion engine, this just makes to be exposed to high pressure inside electronic throttle trunnion
In air and corrosive compound.Corrosive gas or liquid enter the probability in gear-box from air throttle trunnion and increase, into
And control circuit board or other parts is caused to be damaged.
On the other hand, the enging cabin of Some vehicles does not have the ability for blocking water, mud etc., therefore electronic throttle
Outside is likely to the impact by larger hydraulic pressure or can be adhered to by sludge, and water or pollutant can be external into solar term from it
Inside door trunnion or air throttle gear-box.
In conclusion needing a kind of electronic throttle, the corrosive gas of high pressure or liquid can be prevented to enter gear
Sludge, water for causing the damage of related components in case, and capable of resisting the external world etc. enters inside air throttle.
Utility model content
The purpose of this utility model is to provide a kind of solar term door sealing systems reasonable for structure, can prevent the corruption of high pressure
Corrosion gas or liquid enter in gear-box the damage for causing related components, but extraneous sludge, water can be resisted etc. into
Enter inside air throttle.
The purpose of this utility model is that technical solution in this way realizes that it includes air throttle trunnion, solar term front tooth
Roller box, lid, control circuit board, valve shaft and the first sealing ring, the control circuit board is installed on the inside of the lid, described
Cover cap is set in the opening of the air throttle gear-box, is equipped with for solid between the air throttle trunnion and air throttle gear-box
Surely connect air throttle trunnion and air throttle gear-box the first cylinder, the air throttle trunnion with the first cylinder where side phase
It is installed with the second cylinder on the side wall of offside, second cylinder is set to the outside of air throttle trunnion and concentric with the first cylinder
Line is arranged, and one end of the valve shaft is pivotally mounted in the second cylinder, and first is pivotally mounted in the middle part of the valve shaft
In vivo, the other end of the valve shaft penetrates after sequentially passing through in the second cylinder in gear-box, and first sealing ring passes through press fitting
Equipment is pressed between valve shaft and the inner wall of the first cylinder, and first sealing ring is in ring-shaped structure, first sealing ring
The metallic framework that pars intramuralis is equipped with circular ring shape is enclosed, the metallic framework and the first sealing ring coaxial inner conductor are arranged, and described first is close
The inside of seal is equipped with horn-like sealing lip, the relatively big end of the sealing lip it is corresponding with the madial wall of the first sealing ring it is integrated at
Type, the small end of the sealing lip towards air throttle trunnion direction, the outer wall of first sealing ring and the first cylinder
Inner wall is interference fitted, and the small end of the valve shaft and sealing lip is interference fitted.
The first sealing ring is installed between the inner wall and valve shaft of the first cylinder, air throttle gear-box and air throttle trunnion it
Between form axle sealing system, prevent the corrosive gas of high pressure or liquid from entering in air throttle gear-box and cause related components
Damage；Since the first sealing ring is internally provided with the metallic framework of circular ring shape, and the first sealing ring is that press-fit approach is pressed into first
Cylinder, the inner wall of the first sealing ring and the first cylinder coordinates even closer and secured under the supporting role of metallic framework, because
This first sealing ring can bear prodigious pressure and impact without rupture and displacement occurs, therefore high degree improves axis
The service life of the sealing performance of sealing and the first sealing ring reduces the risk of the first sealing ring sealing function failure；Sealing lip
Small end for the sealing area of the first sealing ring and valve shaft, sealing lip is closely wrapped on valve shaft, is carried out to valve shaft tight
Split axle seals, and for the small end of sealing lip towards air throttle trunnion direction, high pressure gas can be pressed in sealing lip after entering the first cylinder
In gap between the first sealing ring, there is the pressure that sealing lip is pressed to valve shaft direction, sealing lip is made more to be close to valve shaft,
High pressure gas in throttle valve trunnion is more difficult into air throttle gear-box.
Further, the edge of the lid is fixed with after the edge pairing of the air throttle gear-box by screw, described
The first groove is being enclosed equipped with one on the involutory surface at air throttle gear-box edge on the edge of lid, is being equipped in first groove
Second sealing ring, between second sealing ring is used between the involutory surface at the edge of sealing cover body edge and air throttle gear-box
Gap.Second sealing ring blocks the gap between the involutory surface at the edge of sealing cover body edge and air throttle gear-box, reduces outer
The sundries such as the sludge and water on boundary enter the possibility of air throttle gear-box, to the control circuit board and air throttle gear-box on lid
Other interior components constitute good protecting effect.
Further, it is coated with seal coating in the control circuit board.Seal coating protects the electronics in control circuit board
Component is not by the contaminants for accidentally entering air throttle gear-box.
Further, the seal coating is UV glue-lines.UV glue has good cold-and-heat resistent alternation performance.Ageing-resistant performance and
Electrical insulation capability, also have it is excellent insulate, be moisture-proof, antidetonation, Inverter fed motor, tracking-resistant and chemical mediator-resitant property, can be to control
Circuit board plays good protecting effect.
Further, the separate air throttle trunnion side pressure of second cylinder is equipped with metal end, the side of the metal end
The inner cavity of edge and second cylinder is interference fitted.Metal end prevents the impurity such as extraneous mud, water from entering air throttle trunnion.
Further, the top and bottom of the tube wall of the air throttle trunnion are equipped with the second groove of circular ring shape, two institutes
It states and is equipped with third sealing ring in the second groove.Third sealing ring is for sealing air throttle trunnion both ends and gas-guide tube link position
Connection gap, reduce extraneous mud, water enters the possibility of air throttle trunnion.
By adopting the above-described technical solution, the utility model have the advantages that it is reasonable for structure, in entire electronic throttle
Six seal assemblies are provided on body, respectively：First sealing ring, seal coating, metal end, is set to section at the second sealing ring
The third sealing ring of valve trunnion upper end and third sealing ring set on throttle valve body lower end；Six seal assemblies collectively constitute
One good sealing system can prevent the corrosive gas of high pressure or liquid from entering in air throttle gear-box and cause correlation
The damage of parts, but sludge, water that can resist the external world etc. enters inside air throttle gear-box and air throttle trunnion；First is close
Seal is internally provided with the metallic framework of circular ring shape, and the first sealing ring is that press-fit approach is pressed into the first cylinder, and high degree carries
The high sealing performance of sealing and the service life of sealing ring, reduce the risk of sealing ring sealing function failure.
Description of the drawings
Fig. 1 is the Structure explosion diagram of the utility model；
Fig. 2 is the sectional view of sealing ring in the utility model；
Fig. 3 is the vertical view of throttle valve body in the utility model；
Fig. 4 is the rearview of throttle valve body in the utility model；
Fig. 5 is the structural schematic diagram of lid in the utility model；
Fig. 6 is the layer structure chart of control circuit board in the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, the utility model include air throttle trunnion 1, air throttle gear-box 2, lid 3,
Control circuit board 4, valve shaft 5 and the first sealing ring 6, the control circuit board 4 are installed on the inside of the lid 3, the lid 3
It is covered in the opening of the air throttle gear-box 2, is equipped with for solid between the air throttle trunnion 1 and air throttle gear-box 2
Surely the first cylinder 7 of connection air throttle trunnion 1 and air throttle gear-box 2, the air throttle trunnion 1 with the first cylinder 7 where
It is installed with the second cylinder 8 on the side wall of the opposite side of side, second cylinder 8 is set to the outside of air throttle trunnion 1 and with first
7 coaxial inner conductor of cylinder is arranged, and one end of the valve shaft 5 is pivotally mounted in the second cylinder 8, and the middle part of the valve shaft 5 can turn
Dynamic to be installed in the first cylinder 7, the other end of the valve shaft 5 penetrates after the second cylinder 8 in air throttle gear-box 2, described
First sealing ring 6 is pressed by press-loading device between valve shaft 5 and the inner wall of the first cylinder 7, and first sealing ring 6 is in annular shape
Structure, the circle pars intramuralis of first sealing ring 6 are equipped with the metallic framework 9 of circular ring shape, the metallic framework 9 and the first sealing ring
6 coaxial inner conductors are arranged, and the inside of first sealing ring 6 is equipped with horn-like sealing lip 10, the relatively big end of the sealing lip 10
It is corresponding with the madial wall of the first sealing ring 6 to be integrally formed, the small end of the sealing lip 10, towards 1 place side of air throttle trunnion
To, the inner wall interference fit of the outer wall of first sealing ring 6 and the first cylinder 7, the small end of the valve shaft 5 and sealing lip 10
Interference fit.First cylinder 7, air throttle gear-box 2, air throttle trunnion 1 and the second cylinder are integrally formed, to reach leakproofness
It can be with the requirement of secured performance；Bearing is mounted in first cylinder 7 and the second cylinder 8, one end of valve shaft 5 is mounted on second
In the bearing hole of body 8, the middle part of valve shaft 5 is mounted in the bearing hole in the first cylinder 7, and the rotation of valve shaft 5 is realized with this；First
Sealing ring 6 is rubber material, and sealing lip 10 is also rubber material, coats metallic framework 9 in rubber, rubber material elasticity is good, close
Sealing property is good.
First sealing ring 6 is installed between the inner wall and valve shaft 5 of the first cylinder 7, in air throttle gear-box 2 and air throttle larynx
Axle sealing system is formed between pipe 1, prevents the corrosive gas of high pressure or liquid from entering in air throttle gear-box 2 and causes correlation
The damage of parts；Since the first sealing ring 6 is internally provided with the metallic framework 9 of circular ring shape, and the first sealing ring 6 is press-fit approach
It is pressed into the first cylinder, the inner wall of first sealing ring 6 and the first cylinder 7 coordinates more to step up under the supporting role of metallic framework 9
It is close and secured, therefore the first sealing ring 6 can bear prodigious pressure and impact without rupture and displacement, therefore very big journey occurs
Degree improves the sealing performance of sealing and the service life of the first sealing ring 6, reduces the failure of 6 sealing function of the first sealing ring
Risk；Sealing lip 10 is the sealing area of the first sealing ring 6 and valve shaft 5, and the small end of sealing lip 10 is closely wrapped in valve
On axis 5, tight split axle sealing carried out to valve shaft 5, the small end of the first sealing ring 6 is towards 1 direction of air throttle trunnion, high pressure gas
It can be pressed in after into the first cylinder in the gap between sealing lip 10 and the first sealing ring 6, exist and sealing lip 10 is pressed into valve shaft 5
The pressure in direction makes sealing lip 10 more be close to valve shaft 5, and the high pressure gas in throttle valve trunnion 1 is more difficult to enter solar term
Front tooth roller box 2.
As shown in Figure 1 and Figure 5, pass through screw after the edge of the lid 3 and the edge pairing of the air throttle gear-box 2
11 fix, and the first groove 12, institute are being enclosed equipped with one on the involutory surface at 2 edge of air throttle gear-box on the edge of the lid 3
It states and is equipped with the second sealing ring 13 in the first groove 12, second sealing ring 13 is used for 3 edge of sealing cover body and air throttle gear
Gap between the involutory surface at the edge of case 2.Second sealing ring 13 blocks the side at sealing cover body 3 edge and air throttle gear-box 2
Gap between the involutory surface of edge reduces the possibility that the sundries such as extraneous sludge and water enter air throttle gear-box 2, to lid
Other components in control circuit board 4 and air throttle gear-box 2 on body 3 constitute good protecting effect.
As shown in fig. 6, being coated with seal coating 14 in the control circuit board 4.Seal coating 14 protects control circuit board 4
In electronic component not by the contaminants for accidentally entering air throttle gear-box 2.
The seal coating 14 is UV glue-lines.UV glue has good cold-and-heat resistent alternation performance.Ageing-resistant performance and electricity are exhausted
Edge performance, also have it is excellent insulate, be moisture-proof, antidetonation, Inverter fed motor, tracking-resistant and chemical mediator-resitant property, can be to control circuit
Plate 4 plays good protecting effect.
As shown in Figure 1 and Figure 4, separate 1 side pressure of air throttle trunnion of second cylinder 8 is equipped with metal end 15, described
The edge of metal end 15 and the inner cavity of second cylinder 8 are interference fitted.Metal end 15 prevents the impurity such as extraneous mud, water
Into air throttle trunnion 1.
As shown in Figure 1, the top and bottom of the tube wall of the air throttle trunnion 1 are equipped with the second groove 16 of circular ring shape,
It is equipped with third sealing ring 17 in two second grooves 16.Third sealing ring 17 for seal 1 both ends of air throttle trunnion with
The connection gap of gas-guide tube link position reduces extraneous mud, water enters the possibility of air throttle trunnion 1.
By adopting the above-described technical solution, the utility model have the advantages that it is reasonable for structure, in entire electronic throttle
Six seal assemblies are provided on body, respectively：First sealing ring 6, the second sealing ring 13, seal coating 14, metal end 15,
Third sealing ring 17 set on 1 upper end of air throttle trunnion and the third sealing ring 17 set on throttle valve body lower end；Six sealings
Component collectively constitutes a good sealing system, and the corrosive gas of high pressure or liquid can be prevented to enter air throttle gear
Sludge, water for causing the damage of related components in case 2, and capable of resisting the external world etc. enters air throttle gear-box 2 and air throttle
Inside trunnion 1；First sealing ring 6 is internally provided with the metallic framework 9 of circular ring shape, and the first sealing ring 6 is press-fit approach indentation the
One cylinder, the sealing performance for improving sealing of high degree and the service life of sealing ring reduce sealing ring sealing function
The risk of failure.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (6)
1. a kind of electronic throttle door sealing system, it is characterised in that：Including air throttle trunnion, air throttle gear-box, lid, control
Circuit board, valve shaft and the first sealing ring, the control circuit board are installed on the inside of the lid, and the cover cap is set to described
In the opening of air throttle gear-box, it is equipped between the air throttle trunnion and air throttle gear-box for being fixedly connected with air throttle larynx
First cylinder of pipe and air throttle gear-box, the air throttle trunnion with the first cylinder where side opposite side side wall on it is solid
Equipped with the second cylinder, second cylinder is set to the outside of air throttle trunnion and is arranged with the first cylinder coaxial inner conductor, the valve
One end of axis is pivotally mounted in the second cylinder, is pivotally mounted in the middle part of the valve shaft in the first cylinder, the valve shaft
The other end sequentially pass through in the second cylinder after penetrate in gear-box, first sealing ring by press-loading device be pressed into valve shaft with
Between the inner wall of first cylinder, first sealing ring is in ring-shaped structure, and the circle pars intramuralis of first sealing ring is equipped with circle
The metallic framework of annular, the metallic framework and the first sealing ring coaxial inner conductor are arranged, and the inside of first sealing ring is equipped with
Horn-like sealing lip, the relatively big end of the sealing lip is corresponding with the madial wall of the first sealing ring to be integrally formed, the sealing lip
Small end towards air throttle trunnion direction, the outer wall of first sealing ring and the inner wall of the first cylinder are interference fitted,
The small end of the valve shaft and sealing lip is interference fitted.
2. a kind of electronic throttle door sealing system as described in claim 1, it is characterised in that：The edge of the lid with it is described
It is fixed by screw after the edge pairing of air throttle gear-box, in pair with air throttle gear-box edge on the edge of the lid
Conjunction face is equipped with first groove of circle, is equipped with the second sealing ring in first groove, second sealing ring is used for sealing cover
Gap between the involutory surface at the edge of body edge and air throttle gear-box.
3. a kind of electronic throttle door sealing system as described in claim 1, it is characterised in that：It is coated in the control circuit board
There is seal coating.
4. a kind of electronic throttle door sealing system as claimed in claim 3, it is characterised in that：The seal coating is UV glue
Layer.
5. a kind of electronic throttle door sealing system as described in claim 1, it is characterised in that：The separate section of second cylinder
Valve trunnion side pressure is equipped with metal end, and the edge of the metal end and the inner cavity of second cylinder are interference fitted.
6. a kind of electronic throttle door sealing system as described in claim 1, it is characterised in that：The tube wall of the air throttle trunnion
Top and bottom be equipped with the second groove of circular ring shape, be equipped with third sealing ring in two second grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105648.9U CN207813756U (en) | 2018-01-22 | 2018-01-22 | A kind of electronic throttle door sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105648.9U CN207813756U (en) | 2018-01-22 | 2018-01-22 | A kind of electronic throttle door sealing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813756U true CN207813756U (en) | 2018-09-04 |
Family
ID=63323501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820105648.9U Active CN207813756U (en) | 2018-01-22 | 2018-01-22 | A kind of electronic throttle door sealing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813756U (en) |
-
2018
- 2018-01-22 CN CN201820105648.9U patent/CN207813756U/en active Active
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