CN206530421U - A kind of natural gas engine and its gas handling system - Google Patents
A kind of natural gas engine and its gas handling system Download PDFInfo
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- CN206530421U CN206530421U CN201720017770.6U CN201720017770U CN206530421U CN 206530421 U CN206530421 U CN 206530421U CN 201720017770 U CN201720017770 U CN 201720017770U CN 206530421 U CN206530421 U CN 206530421U
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- electronic throttle
- handling system
- air inlet
- natural gas
- gas engine
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Abstract
The utility model provides a kind of natural gas engine and its gas handling system, natural gas engine gas handling system includes intake elbow and the electronic throttle being arranged at intake elbow air inlet, also include the air inlet tube being fixedly connected with electronic throttle, the air inlet tube is provided with the link slot of supplied for electronic throttle inflow end entrance close to one end of electronic throttle；O-ring seal, the O-ring seal is arranged between the bottom surface of link slot and the inlet end end face of electronic throttle.The utility model fixes air inlet tube in electronic throttle inlet end, and make between air inlet tube and electronic throttle inlet end to realize end face seal using O-ring seal, O-ring seal is a kind of self sealss part, sealing effectiveness is preferable, so the sealing reliability of electronic throttle inlet end is improved, so as to solve the problem of electronic throttle inlet end is easier to gas leakage.
Description
Technical field
The utility model is related to technical field of engines, more specifically to a kind of natural gas engine gas handling system,
The utility model further relates to a kind of natural gas engine with above-mentioned gas handling system.
Background technology
Natural gas engine gas handling system uses the air inflow needed for Electronic Throttle Control engine.Most of electronics sections
Air valve air inlet end, using the type of attachment of sebific duct and clip, is on the one hand to be connected using the drum structure that rises on air inlet pipeline with sebific duct
When, sebific duct deforms to form sealing, is on the other hand to be clamped using clip, to reinforce sealing.
But, if clip pretightning force is improper or sebific duct was used after a period of time, plays sebific duct at drum and be easier to occur plasticity change
Shape or aging and cause seal failure, cause gas leakage.In addition, the fixing intensity of above-mentioned clip is smaller, when high engine load,
Admission pressure is higher, and pipeline is easier to release.
In summary, the sealing reliability of electronic throttle inlet end how is improved, to solve electronic throttle inlet end
The problem of being easier to gas leakage, is current those skilled in the art technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of natural gas engine gas handling system, to improve electronics
The sealing reliability at throttle inflow end, so as to solve the problem of electronic throttle inlet end is easier to gas leakage.
Another object of the present utility model is to provide a kind of natural gas engine with above-mentioned gas handling system, to improve
The sealing reliability of electronic throttle inlet end, so as to solve the problem of electronic throttle inlet end is easier to gas leakage.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of natural gas engine gas handling system, including intake elbow and the electricity being arranged at the intake elbow air inlet
Sub- air throttle, in addition to：
The air inlet tube being fixedly connected with the electronic throttle, the air inlet tube close to the electronic throttle one
End is provided with the link slot entered for the electronic throttle inlet end；
O-ring seal, the O-ring seal is arranged on the bottom surface of the link slot and the inlet end of the electronic throttle
Between end face.
It is preferred that, in above-mentioned natural gas engine gas handling system, lead between the air inlet tube and the electronic throttle
Screw element is crossed to fix.
It is preferred that, in above-mentioned natural gas engine gas handling system, the air inlet tube close to the electronic throttle one
End has multiple installation leg, and the installation leg offers the first connecting hole；
The electronic throttle periphery has installation portion, and the installation portion offers the second connecting hole；
The intake elbow has adpting flange close to one end of the electronic throttle, and the adpting flange offers
Three connecting holes；The screw element sequentially passes through first connecting hole, second connecting hole and the 3rd connecting hole.
It is preferred that, in above-mentioned natural gas engine gas handling system, the screw element is bolt, and the bolt is tight by nut
Gu.
It is preferred that, in above-mentioned natural gas engine gas handling system, the installation leg is four, is distributed on the air inlet tube
Circumference.
It is preferred that, in above-mentioned natural gas engine gas handling system, the bottom land is additionally provided with for the spacing O-shaped sealing
The annular mounting groove of circle.
It is preferred that, in above-mentioned natural gas engine gas handling system, air inlet by-passing valve is additionally provided with the air inlet tube.
It is preferred that, above-mentioned natural gas engine gas handling system also include be set in the electronic throttle inlet end with it is described
Axle sleeve between the side of link slot, the inlet end of the electronic throttle is provided with the first limit offseted with described axle sleeve one end
Position boss, the side of the link slot is provided with the second positive stop lug boss offseted with the axle sleeve other end.
It can be seen from above-mentioned technical scheme that, the natural gas engine gas handling system that the utility model is provided includes air inlet
Bend pipe and the electronic throttle being arranged at intake elbow air inlet, in addition to the air inlet connecting being fixedly connected with electronic throttle
Pipe, the air inlet tube is provided with the link slot of supplied for electronic throttle inflow end entrance close to one end of electronic throttle；O-shaped sealing
Circle, the O-ring seal is arranged between the bottom surface of link slot and the inlet end end face of electronic throttle.
The utility model fixes air inlet tube in electronic throttle inlet end, and makes air inlet tube and electronic throttle air inlet
End face seal is realized using O-ring seal between end, O-ring seal is a kind of self sealss part, and sealing effectiveness is preferable, so improving
The sealing reliability of electronic throttle inlet end, so as to solve the problem of electronic throttle inlet end is easier to gas leakage.
The utility model additionally provides a kind of natural gas engine, including gas handling system, and the gas handling system is above-mentioned
A kind of natural gas engine gas handling system, because above-mentioned natural gas engine gas handling system has the effect above, with above-mentioned day
The natural gas engine of right gas engine aspirating system has same effect, therefore repeats no more herein.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram for the natural gas engine gas handling system that the utility model embodiment is provided；
Fig. 2 is the sectional view of the natural gas engine gas handling system of the utility model embodiment offer vertically；
Fig. 3 is the structural representation for the air inlet tube that the utility model embodiment is provided.
Embodiment
The utility model embodiment provides a kind of natural gas engine gas handling system, improves electronic throttle inlet end
Sealing reliability, so as to solve the problem of electronic throttle inlet end is easier to gas leakage.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Accompanying drawing 1-3 is refer to, the natural gas engine gas handling system that the utility model embodiment is provided includes intake elbow 5
With the electronic throttle 4 being arranged at the air inlet of intake elbow 5, in addition to the air inlet tube being fixedly connected with electronic throttle 4
1, the air inlet tube 1 is provided with the link slot 12 of the inlet end of supplied for electronic air throttle 4 entrance close to one end of electronic throttle 4；It is O-shaped
Sealing ring 2, the O-ring seal 2 is arranged between the bottom surface of link slot 12 and the inlet end end face of electronic throttle 4.
The utility model fixes air inlet tube 1 in the inlet end of electronic throttle 4, and makes air inlet tube 1 and electronic throttle 4
End face seal is realized using O-ring seal 2 between inlet end, O-ring seal 2 is a kind of self sealss part, and sealing effectiveness is preferable, institute
To improve the sealing reliability of the inlet end of electronic throttle 4, so that solving the inlet end of electronic throttle 4 is easier to asking for gas leakage
Topic.Meanwhile, the utility model is easy to assembling, and available for multiple types, versatility is higher.
For the ease of assembling, fixed between air inlet tube 1 and electronic throttle 4 by screw element.The utility model is utilized
Screw element makes air inlet tube 1 be fastenedly connected with electronic throttle 4, improves the reliability of pipeline connection, solves pipeline and release
The problem of.In addition, the fixed form of above-mentioned screw element ensure that the fixing intensity of air inlet tube 1, therefore air inlet tube 1 can be
The pipeline of front end is played a supporting role, and is easy to the arrangement of front end pipeline.Certainly, between above-mentioned air inlet tube 1 and electronic throttle 4
It can also be fixedly connected using welding, riveting or other modes.
As shown in figure 1, in preferred embodiment, air inlet tube 1 has multiple installations close to one end of electronic throttle 4
Leg 11, installation leg 11 offers the first connecting hole；The periphery of electronic throttle 4 has installation portion 41, and installation portion 41 offers second
Connecting hole；Intake elbow 5 has adpting flange 51 close to one end of electronic throttle 4, and adpting flange 51 offers the 3rd connection
Hole；Screw element sequentially passes through the first connecting hole, the second connecting hole and the 3rd connecting hole.
Screw element of the present utility model is axially arranged along air inlet tube 1, sequentially passes through the installation leg of air inlet tube 1
11st, the adpting flange 51 of the installation portion 41 of electronic throttle 4 and intake elbow 5, utilizes the realization of same screw element will so as to realize
Air inlet tube 1 and electronic throttle 4 are also secured on intake elbow 5, relatively simple for structure, are easy to assembling.Meanwhile, this practicality
It is new in the structural modification connected to sebific duct, it is only necessary to process above-mentioned installation leg 11, be that can be achieved using longer screw element
The fixation of air inlet tube 1, repacking cost is relatively low.It is understood that the utility model can also make electronic throttle 4 and air inlet
Pipeline is individually connected, and such as sets flange on both respectively, or set connecting hole respectively.Above-mentioned screw element can also be along air inlet
Adapter 1 is radially arranged.
Specifically, screw element is bolt 7, bolt 7 is fastened by nut 8.The utility model is sequentially passed through using bolt 7
The first connecting hole, the second connecting hole and the 3rd connecting hole are stated, and attaching nut 8 is fastened, and is easy to assembling.Certainly, above-mentioned screw element
Can also be studs or the helicitic texture of other forms.
It is preferred that, installation leg 11 is four, is distributed on the circumference of air inlet tube 1, can be while bonding strength is ensured
It is easy to processing.According to practical application specification, installation leg 11 can also be three or other numbers.
In order to avoid the movement of O-ring seal 2, bottom land is additionally provided with the annular mounting groove for spacing O-ring seal 2
14.The utility model is carried out spacing using annular mounting groove 14 to O-ring seal 2, ensure that the standard of the position of O-ring seal 2
True property, and then ensure sealing effectiveness.Certainly, the utility model can also set above-mentioned ring in the inlet end end face of electronic throttle 4
Shape mounting groove 14.
In order to improve air inlet by-passing valve 6 is additionally provided with the function of natural gas engine gas handling system, air inlet tube 1.This
Utility model is protected using air inlet by-passing valve 6 to electronic throttle 4.Certainly, the utility model can also be in air inlet tube 1
Upper setting other structures.
It is preferred that, above-mentioned natural gas engine gas handling system also includes being set in the inlet end of electronic throttle 4 and link slot
Axle sleeve 3 between 12 side, the inlet end of electronic throttle 4 is provided with the first positive stop lug boss offseted with the one end of axle sleeve 3, even
The side of access slot 12 is provided with the second positive stop lug boss 13 offseted with the other end of axle sleeve 3.It should be noted that above-mentioned first is spacing
The raised confined planes with the second spacing preiection are polished surface.
The mounting surface of above-mentioned electronic throttle 4 is cast blank face, and axial dimension deviation is big, and the utility model passes through axle sleeve
3 and two confined planes coordinate, realize axially position, it is to avoid O-ring seal 2 presses to obtain tension.Simultaneously as the air inlet of electronic throttle 4
End has carried drum structure, causes the link slot 12 of air inlet tube 1 to be relatively large in diameter, and the utility model is spacing using axle sleeve 3 and two
The cooperation of boss, ensure that the axiality of link slot 12 and the inlet end of electronic throttle 4, makes up the installation deviation of radial direction, enter
One step improves the sealing reliability of O-ring seal 2.Certainly, the utility model can also be not provided with above-mentioned axle sleeve 3, in electronics
The inlet end of air throttle 4 sets the boss offseted with the end face of air inlet tube 1, with realize same axially position electronic throttle 4 with
And the effect of air inlet pipeline.
The utility model embodiment additionally provides a kind of natural gas engine, including gas handling system, and the gas handling system is upper
The natural gas engine gas handling system that any one embodiment is provided is stated, the sealing reliability of the inlet end of electronic throttle 4 is improved,
So as to solve the problem of inlet end of electronic throttle 4 is easier to gas leakage, its advantage is brought by natural gas engine gas handling system
, part related in above-described embodiment is specifically refer to, is just repeated no more herein.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of natural gas engine gas handling system, including intake elbow (5) and it is arranged at the intake elbow (5) air inlet
Electronic throttle (4), it is characterised in that also include：
The air inlet tube (1) being fixedly connected with the electronic throttle (4), the air inlet tube (1) is close to the electronic throttle
One end of door (4) is provided with the link slot (12) entered for the electronic throttle (4) inlet end；
O-ring seal (2), the O-ring seal (2) is arranged on the bottom surface of the link slot (12) and the electronic throttle
(4) between inlet end end face.
2. natural gas engine gas handling system according to claim 1, it is characterised in that the air inlet tube (1) and institute
State and fixed by screw element between electronic throttle (4).
3. natural gas engine gas handling system according to claim 2, it is characterised in that
The air inlet tube (1) has multiple installation leg (11), the installation leg close to one end of the electronic throttle (4)
(11) the first connecting hole is offered；
Electronic throttle (4) periphery has installation portion (41), and the installation portion (41) offers the second connecting hole；
The intake elbow (5) has adpting flange (51), the adpting flange close to one end of the electronic throttle (4)
(51) the 3rd connecting hole is offered；The screw element sequentially passes through first connecting hole, second connecting hole and described
Three connecting holes.
4. natural gas engine gas handling system according to claim 3, it is characterised in that the screw element is bolt (7),
The bolt (7) is fastened by nut (8).
5. natural gas engine gas handling system according to claim 3, it is characterised in that the installation leg (11) is four
It is individual, it is distributed on the circumference of the air inlet tube (1).
6. natural gas engine gas handling system according to claim 1, it is characterised in that the bottom land, which is additionally provided with, to be used for
The annular mounting groove (14) of the spacing O-ring seal (2).
7. natural gas engine gas handling system according to claim 1, it is characterised in that on the air inlet tube (1) also
It is provided with air inlet by-passing valve (6).
8. the natural gas engine gas handling system according to claim any one of 1-7, it is characterised in that also including being set in
Axle sleeve (3) between the side of electronic throttle (4) inlet end and the link slot (12), the electronic throttle (4)
Inlet end be provided with the first positive stop lug boss offseted with the axle sleeve (3) one end, the side of the link slot (12) is provided with
The second positive stop lug boss (13) offseted with the axle sleeve (3) other end.
9. a kind of natural gas engine, including gas handling system, it is characterised in that the gas handling system is that claim 1-8 such as appoints
Natural gas engine gas handling system described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017770.6U CN206530421U (en) | 2017-01-06 | 2017-01-06 | A kind of natural gas engine and its gas handling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017770.6U CN206530421U (en) | 2017-01-06 | 2017-01-06 | A kind of natural gas engine and its gas handling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530421U true CN206530421U (en) | 2017-09-29 |
Family
ID=59917173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017770.6U Active CN206530421U (en) | 2017-01-06 | 2017-01-06 | A kind of natural gas engine and its gas handling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206530421U (en) |
-
2017
- 2017-01-06 CN CN201720017770.6U patent/CN206530421U/en active Active
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