CN205895361U - Intraware of gas blowby heater - Google Patents

Abstract

The utility model patent discloses an intraware of gas blowby heater, and its characterized in that comprises heat -conducting metal pipe (1), heating element, time pin (2), last pin subassembly, PTC heating element passes through elastic component (4) with last pin subassembly and is connected, down pin (2) and heat pipe butt fusion be whole, and this technical scheme is used for crankcase forced draft system, and the mode of by heating prevents the thrashing because of the gas blowby condensation leads to to high -efficient, reliable structural design has guaranteed excellent heater performance.

Description

A kind of intraware of gas blowby heater

Technical field

This utility model is related to a kind of heater and in particular to a kind of be used for automobile pcv (positive crankcase ventilation (PCV)) system In gas blowby heater, belong to gas blowby heater structure component technology field.

Background technology

At present due to some areas cold weather, the icing of crankcase gas blowby leads to pipeline to engine with supercharger in cold weather Blocking, causes crankcase pressure abnormal, Oil-gas Separation disabler, and crankcase waste gas can not be discharged and be burnt, and lead to crankcase Forced ventilation system lost efficacy.At present, existing gas blowby heater is mainly engaged firmly by structural member, and that is, upper and lower pin is straight Connect and contact with ptc heating plate or embedding is carried out by heat-conducting glue, but because assembly difficulty is larger, and due to vehicle-mounted vibration, hold Easily make loose contact between ptc fever tablet and pin, ultimately result in product failure.In order to solve this technical problem, this area Technical staff has done a lot of improvement projects, but this problem is never properly settled.

Content of the invention

This utility model is exactly directed to problems of the prior art, provides a reliability high intraware, This technical scheme compact conformation, practicality, design is ingenious, and ensure that the convenience of assembling and efficient capacity of heat transmission.

To achieve these goals, the technical solution of the utility model is as follows: a kind of intraware of gas blowby heater, its It is characterised by: described intraware includes heating assembly, thermal conductive metal pipe, lower pin and upper pin components, described lower pin It is connected with the plane of thermal conductive metal pipe, described heating assembly is arranged on lower pin, the top of described heating assembly is provided with Pin components.In this technical scheme, lower pin and thermal conductive metal pipe welding are overall, produce heat energy by heating assembly, and draw under warp Foot is transferred in thermal conductive metal pipe, the gas flowing through in heating thermal conductive metal pipe.

As a kind of improvement of the present utility model, described upper pin components include upper cover plate, upper pin, fixture and bullet Property part, the upper pin in described upper cover plate is connected with elastic component by fixture.Fixture makes elastic component not produce skew, and The structure of one is more conducive to assemble.

As a kind of improvement of the present utility model, described lower pin is connected by melted material with the plane of thermal conductive metal pipe Connect, heating assembly is arranged on lower pin, and lower pin is provided with buckle, fixes with upper cover plate.Draw under being ensured by melted material Foot and the full contact of thermal conductive metal pipe, and melted material has fabulous heat conductivity, more conducively conduction of heat.

As a kind of improvement of the present utility model, described heating assembly is set to ptc fever tablet.Ptc fever tablet is as heat Source, is pressed on ptc fever tablet in advance by the elastic component in upper pin components, makes elastic component deformation, and stress is in ptc fever tablet On, so that elastic component, ptc fever tablet, lower pin is reliably contacted.

As a kind of improvement of the present utility model, described upper pin is moulded in upper cover plate.

As a kind of improvement of the present utility model, described fixture one end is set to " t " type, and the other end is set to cylinder Type.Fixture cylindrical end is penetrated in elastic component centre bore and upper pin components centre bore, by crimping apparatus, so that fixture is justified Styletable shape becomes " t " type shape, fixes pin components and elastic component.

As a kind of improvement of the present utility model, the surrounding of described ptc fever tablet is provided with sealing ring, solid from in-plane Determine ptc fever tablet.

With respect to prior art, this utility model has following beneficial effect: 1) this technical scheme compact conformation, letter Single, design is ingenious；2) due to, by the way of elastic component is fixing, making heater ensure in the driving environment of vibration more stable Performance contacts, and due to the technique using molten sintering, there is provided better thermal energy conduction efficiency, the diffusion decreasing heat energy is damaged Consumption, the more conducively heats to gas；3) this technical scheme cost is relatively low, is easy to further popularization and application.

Brief description

Fig. 1 is this utility model overall structure diagram；

Fig. 2 is this utility model overall structure side diagram；

Fig. 3 is this utility model overall structure sectional view；

In figure:

1- thermal conductive metal pipe, pin under 2-, 3-ptc fever tablet, 4- elastic component, 5- rubber ring, 6- injection casing, 7- is solid Determine part, 8- upper cover plate, the upper pin of 9-, 10- casting glue, 11- rubber ring.

Specific embodiment

In order to deepen to be appreciated and understood by of the present utility model, below in conjunction with the accompanying drawings 13 and specific embodiment, enter one Step introduces this utility model.

Embodiment 1: referring to Fig. 1-Fig. 3, a kind of intraware of gas blowby heater, described intraware includes heating group Part, thermal conductive metal pipe 1, lower pin 2 and upper pin components, described lower pin 2 is connected with the plane of thermal conductive metal pipe 1, described Heating assembly is arranged on lower pin 2, and the top of described heating assembly is provided with pin components.Lower pin in this technical scheme 2 is overall with thermal conductive metal pipe 1 welding, produces heat energy by heating assembly, and is transferred in thermal conductive metal pipe 1 through lower pin 2, plus The gas flowing through in hot thermal conductive metal pipe 1, improves thermal energy conduction efficiency, decreases the divergence loss of heat energy.

Embodiment 2: referring to Fig. 1-Fig. 3, as a kind of improvement of the present utility model, described upper pin components include upper cover plate 8th, upper pin 9, fixture 7 and elastic component 4, the upper pin 9 in described upper cover plate 8 is connected with elastic component 4 by fixture 7. Fixture 7 makes elastic component 4 not produce skew, and the structure of one is more conducive to assemble.Remaining structure and advantage are complete with embodiment 1 Exactly the same.

Embodiment 3: referring to Fig. 1-Fig. 3, as a kind of improvement of the present utility model, described lower pin 2 and thermal conductive metal pipe 1 Plane connected by melted material, heating assembly is arranged on lower pin 2, and lower pin is provided with buckle, solid with upper cover plate 8 Fixed.Ensure the full contact of lower pin 2 and thermal conductive metal pipe 1 by melted material, and melted material has fabulous heat conduction Property, more conducively conduction of heat.Remaining structure is identical with embodiment 1 with advantage.

Embodiment 4: referring to Fig. 1-Fig. 3, as a kind of improvement of the present utility model, described heating assembly is set to ptc and sends out Backing 3.Ptc fever tablet 3, as thermal source, is pressed on ptc fever tablet 3 in advance by the elastic component 4 in upper pin components, makes elastic component 4 Deformation, stress, in ptc fever tablet 3, makes elastic component 4, ptc fever tablet 3, lower pin 2 reliably contact.Remaining structure and Advantage is identical with embodiment 1.

Embodiment 5: referring to Fig. 1-Fig. 3, as a kind of improvement of the present utility model, described fixture 7 one end is set to " t " Type, the other end is set to column type.Fixture 7 cylindrical end is penetrated in elastic component centre bore and upper pin components centre bore, leads to Cross crimping apparatus, make fixture cylindrical end shape become " t " type shape, fix pin components and elastic component.Remaining structure and excellent Point is identical with embodiment 1.

Embodiment 6: referring to Fig. 1-Fig. 3, as a kind of improvement of the present utility model, surrounding's setting of described ptc fever tablet There is sealing ring, fix ptc fever tablet from in-plane.Remaining structure is identical with embodiment 1 with advantage.

Operation principle: referring to Fig. 1-Fig. 3, this gas blowby heater body assembly, by thermal conductive metal pipe 1, heating assembly, under draw Foot 2, upper pin components composition, described ptc heating assembly is connected by elastic component 4 with upper pin components, described lower pin 2 with lead Heat pipe welding is overall.First, pin components are moulded in upper cover plate by upper pin 9, wherein go up pin 9 and upper cover plate and elasticity Part 4 center all retains the installing hole of same size, and wherein fixture 7 is cylindrically shaped, wherein has one end to be " t " type, one end is Column type, fixture 7 cylindrical end is penetrated in elastic component 4 centre bore and upper pin components centre bore, by crimping apparatus, makes solid Determine part 7 cylindrical end shape and become " t " type shape, fix pin components and elastic component 4.Then, lower pin 2 and thermal conductive metal pipe 1 Plane is connected by melted material, and described melted material makes it melt as liquid from paste by heating, with metal tube plane and Lower pin 2 produces and merges, and after temperature reduces, medium solidifies out into steady statue, this scheme, has taken into account high company simultaneously Connect intensity and there is high thermal conductivity.

Finally, heating assembly is placed on lower pin 2, wherein heat assembly by ptc fever tablet 3 as thermal source, by upper Elastic component 4 in pin components is pressed on ptc fever tablet 3 in advance, makes elastic component 4 deformation, stress in ptc fever tablet 3 it is ensured that Elastic component 4, ptc fever tablet 3, the reliable contacts of lower pin 2, ptc fever tablet 3 surrounding is placed more than ptc fever tablet external diameter but little In the sealing ring of upper cover plate 8 internal diameter, fix ptc fever tablet 3 from in-plane, by carrying out to the lock being arranged on lower pin Crimping, makes lower pin 2 fix upper cover plate 8.

This utility model can also be by 1 group of at least one of technical characteristic described in embodiment 2,3,4,5,6 and embodiment Close and form new embodiment.

With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality The content being not limited in description with new technical scope it is necessary to determine its technology according to right Property scope.

Claims (7)

1. a kind of intraware of gas blowby heater it is characterised in that: described intraware include heat assembly, heat-conducting metal Pipe, lower pin and upper pin components, described lower pin (2) is connected with the plane of thermal conductive metal pipe (1), described heating assembly It is arranged on lower pin, the top of described heating assembly is provided with pin components.

2. gas blowby heater according to claim 1 intraware it is characterised in that: described upper pin components include Cover plate (8), upper pin (9), fixture (7) and elastic component (4), the upper pin (9) in described upper cover plate (8) passes through fixture (7) it is connected with elastic component (4).

3. gas blowby heater according to claim 2 intraware it is characterised in that: described lower pin (2) and heat conduction The plane of metal tube (1) is connected by melted material, and heating assembly is arranged on lower pin (2), and lower pin is provided with buckle, with Upper cover plate (8) is fixing.

4. the gas blowby heater according to Claims 2 or 3 intraware it is characterised in that: described heating assembly setting For ptc fever tablet (3).

5. gas blowby heater according to claim 4 intraware it is characterised in that: described upper pin (9) is moulded in In upper cover plate (8).

6. gas blowby heater according to claim 5 intraware it is characterised in that: described fixture (7) one end sets It is set to " t " type, the other end is set to column type.

7. gas blowby heater according to claim 6 intraware it is characterised in that: the week of described ptc fever tablet (3) Enclose and be provided with sealing ring.