CN205895385U - Exhaust system who takes flexible component separates heat exchanger - Google Patents
Exhaust system who takes flexible component separates heat exchanger Download PDFInfo
- Publication number
- CN205895385U CN205895385U CN201620763265.1U CN201620763265U CN205895385U CN 205895385 U CN205895385 U CN 205895385U CN 201620763265 U CN201620763265 U CN 201620763265U CN 205895385 U CN205895385 U CN 205895385U
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- heat
- thermal insulation
- insulation board
- glass fiber
- aluminium foil
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Abstract
The utility model discloses an exhaust system who takes flexible component separates heat exchanger, a serial communication port, include and separate heat exchanger body and flexible aluminum foil combination glass fiber cloth, separate the heat exchanger body including connecting first heat insulating board and the second septum hot plate that forms the L profile, the second septum hot plate corresponds with engine cylinder lid surface profile, first heat insulating board is equipped with the engaging lug what close on the second septum hot plate on the surface, flexible aluminum foil combination glass fiber cloth is connected respectively at the horizontal both ends of first heat insulating board. The utility model discloses simple structure, convenient to use, the flexible part pencil that will be protected follow aluminum foil combination glass fiber cloth rear portion and pass through, have avoided heat radiation and the influence of heat convection to the pencil.
Description
Technical field
This utility model is related to engine exhaust field, in particular to a kind of gas extraction system heat shield with flexible component.
Background technology
Gas extraction system heat shield is applied to engine exhaust system.The part of engine exhaust system such as exhaust manifold, whirlpool
Wheel supercharger, ternary catalyzing unit etc., the high-temp waste gas operationally discharged with electromotor are contacted, and are heated by high temperature
(surface temperature is up to 800 DEG C).These hot parts can be passed to surrounding components with two kinds of forms of heat radiation by cross-ventilation
Pass and radiations heat energy.The part of gas extraction system periphery under so severe thermal environment cannot normal work, need using heat-insulated
Cover provides Thermal protection to it.Gas extraction system heat shield reduces high temperature zero by reflective thermal radiation with retardance conduction of heat two ways
The external heat radiation of part and thermal convection current, thus reducing ambient temperature during peripheral component work, play the work of protection peripheral component
With.
General gas extraction system heat shield is the stamping forming rigid body of sheet material of aluminizing.Sending out with engine control technologies
Exhibition, gas extraction system periphery increase arranges the thermo-responsive wear part such as the connected wire harness of many sensors.Wire harness is flexibility
Part, its rigging position differs greatly, and when electromotor runs, wire harness is likely to produce shake.If using traditional rigid heat shield
Thermal protection is carried out to it, if heat shield is excessively near with the distance of wire harness, wire harness may be come in contact with heat shield and repeatedly rub
Lead to wire harness protection layer to be worn, the abnormal phenomenas such as engine failure warning occur.If heat shield is with beam distance too far, rise
Less than the heat protective effect to wire harness.
Accordingly, it would be desirable to develop a kind of wire harness be played with the gas extraction system that heat protective effect will not be worn and torn again
Heat shield.
Content of the invention
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technology, provides one kind can play heat to wire harness
The gas extraction system heat shield with flexible component that protective effect will not be worn and torn again.
The technical solution of the utility model is: a kind of gas extraction system heat shield with flexible component is it is characterised in that include
Heat-insulated cover body and flexible aluminium foil composite glass fiber cloth, described heat-insulated cover body includes connecting and forms the first heat-insulated of l type face
Plate and the second thermal insulation board, described second thermal insulation board is corresponding with engine cylinder cover surface configuration, and described first thermal insulation board is closing on
The surface of two thermal insulation boards is provided with engaging lug, and described first thermal insulation board both sides connect flexible aluminium foil composite glass fiber cloth respectively.
Preferably, described aluminium foil composite glass fiber cloth is glass fabric in interior, two-layer aluminium foil sandwich structure outside.
Preferably, described first thermal insulation board laterally wherein has wire harness on the aluminium foil composite glass fiber cloth of one or both sides
Via.
Preferably, described heat-insulated cover body is integrally formed.
Preferably, described engaging lug is provided with bolt hole, and described heat-insulated cover body passes through engaging lug and engine cylinder cover spiral shell
Tether and connect.
The beneficial effects of the utility model are:
1. heat-insulated cover body is the rigid body being stamped to form using aludip, engaging lug has fixing hole by bolt even
It is connected on engine cylinder lid, provide rigid support for whole heat shield.Also protect the part at its rear portion to be not affected by high temperatures simultaneously.
2. the aluminium foil cloth of heat-insulated cover body both sides is used for the flexible wear part such as protection wire.Aluminium foil composite glass fiber
Cloth is composited with aluminium foil for glass fabric, aluminium foil energy reflective thermal radiation and glass fabric can intercept conduction of heat.Both
The sandwich structure material being composited has had reflective thermal radiation concurrently and has intercepted the performance of conduction of heat.Aluminium foil composite glass fiber simultaneously
Cloth is flexible material softness deformable.Can be contacted without producing noise, the harmful effect such as abrasion with surrounding components.Protected
Flexible part wire harness pass through from aluminium foil cloth rear portion, it is to avoid heat radiation and the impact to wire harness for the thermal convection current.Permit during both assemblings
Permitted to contact, rigging position that need not be harsh requires.
3. heat-insulated cover body is connected using rivet with aluminium foil cloth, so that the aluminium foil cloth of the flexibility of both sides is fixed on rigid
On heat-insulated cover body, it is not moved in engine operation position.
Brief description
Fig. 1 is this utility model structural representation
Fig. 2 is this utility model structure schematic diagram
Wherein: 1. heat-insulated cover body 2. first thermal insulation board 3. second thermal insulation board, 4. engaging lug, 5. bolt hole 6. aluminium foil
Composite glass fiber cloth 7. wire harness passing-hole.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2, the gas extraction system heat shield with flexible component that this utility model provides, including heat-insulated cover body
1 and flexible aluminium foil composite glass fiber cloth 6, heat-insulated cover body 1 include connecting the first thermal insulation board 2 forming l type face and second every
Hot plate 3, the second thermal insulation board 3 is corresponding with engine cylinder cover surface configuration, and the first thermal insulation board 2 is closing on the surface of the second thermal insulation board 3
It is provided with two engaging lugs 4, engaging lug 4 is provided with bolt hole 5, heat-insulated cover body 1 passes through engaging lug 4 and engine cylinder bonnet bolt
Connect.
The first thermal insulation board 2 both sides two ends of the first thermal insulation board 2 length direction (i.e. in Fig. 2) rivet interlacement flexibility aluminium foil respectively
Composite glass fiber cloth 6.Aluminium foil composite glass fiber cloth 6 is glass fabric in interior, two-layer aluminium foil sandwich structure outside, table
The aluminium foil energy reflective thermal radiation in face and the glass fabric of inside can intercept conduction of heat, therefore aluminium foil composite glass fiber cloth 6
Reflective thermal radiation and the performance intercepting conduction of heat are had concurrently.The aluminium foil compound glass of the first thermal insulation board 2 wherein one or both sides is fine
Wire harness passing-hole 7 is had on dimension cloth 6.The aluminium foil compound glass in the first thermal insulation board 2 wherein side (left side in Fig. 1) for the present embodiment is fine
Wire harness passing-hole 7 is had, protected flexible part wire harness passes through from wire harness passing-hole 7, it is to avoid heat radiation and thermal convection current on dimension cloth 6
Impact to wire harness.
In this utility model, heat-insulated cover body 1 is integrally formed, and provides rigid support, the first thermal insulation board 2 for whole heat shield
The space being formed with the second thermal insulation board 3 is the second thermal insulation board 3 behind direction, and heat-insulated cover body 1 is arranged on during engine cylinder cover the
One thermal insulation board 2 is mated with engine cylinder cover surface configuration, and now the second thermal insulation board 3 is vertical, protects its behind part not to be subject to height
Temperature impact, the second thermal insulation board 3 is aluminium foil composite glass fiber cloth 6 offer fixing point simultaneously, makes both sides flexibility aluminium foil compound glass
Fiber cloth 6 is not moved in engine operation process.
Claims (5)
1. a kind of gas extraction system heat shield with flexible component is it is characterised in that the heat-insulated cover body of inclusion (1) and flexible aluminium foil are multiple
Close glass fabric (6), described heat-insulated cover body (1) includes connecting the first thermal insulation board (2) forming l type face and the second thermal insulation board
(3), described second thermal insulation board (3) is corresponding with engine cylinder cover surface configuration, and described first thermal insulation board (2) is to close on second heat-insulated
The surface of plate (3) is provided with engaging lug (4), and described first thermal insulation board (2) both sides connect flexible aluminium foil composite glass fiber respectively
Cloth (6).
2. heat shield as claimed in claim 1 is it is characterised in that described aluminium foil composite glass fiber cloth (6) is glass fibre
Cloth is in interior, two-layer aluminium foil sandwich structure outside.
3. heat shield as claimed in claim 1 is it is characterised in that the aluminum of described first thermal insulation board (2) wherein one or both sides
Wire harness passing-hole (7) is had on paper tinsel composite glass fiber cloth (6).
4. heat shield as claimed in claim 1 is it is characterised in that described heat-insulated cover body (1) is integrally formed.
5. heat shield as claimed in claim 1 is it is characterised in that described engaging lug (4) is provided with bolt hole (5), described every
Hot cover body (1) passes through engaging lug (4) and engine cylinder cover bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763265.1U CN205895385U (en) | 2016-07-20 | 2016-07-20 | Exhaust system who takes flexible component separates heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763265.1U CN205895385U (en) | 2016-07-20 | 2016-07-20 | Exhaust system who takes flexible component separates heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895385U true CN205895385U (en) | 2017-01-18 |
Family
ID=57773858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620763265.1U Active CN205895385U (en) | 2016-07-20 | 2016-07-20 | Exhaust system who takes flexible component separates heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895385U (en) |
-
2016
- 2016-07-20 CN CN201620763265.1U patent/CN205895385U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |