CN205927069U - Novel automotive cylinder casting is with heating temperature measurement stalk structure - Google Patents

Abstract

The utility model discloses a novel automotive cylinder casting is with heating temperature measurement stalk structure, including the stalk, the stalk overlaps outward in proper order has I extra cover, II extra covers, I extra cover, II extras cover overcoat have III extra covers, III extras cover overcoat has the sleeve, form no. I cavity between I extra cover and the III extras cover, form no. II cavities between II extras cover and the III extras cover, form no. III cavities between III extras cover and the sleeve, be provided with the coil of winding on no. III outer sleeve outer wall in no. III cavities, I extra is sheathe the end relief in and is become to go up the snap ring, it forms the temperature measurement groove that holds the temperature transducer to go up the snap ring upper end, the temperature measurement groove communicates with wire casing, lead -out hole in proper order. The utility model discloses reduce the production energy consumption, improved production efficiency, avoided casting defects, improved the life of stalk.

Description

New automobile cylinder casting heating thermometric stalk structure

Technical field

The utility model belongs to a kind of precision cast structure and in particular to new automobile cylinder casting heating thermometric rises liquid Tubular construction.

Background technology

Automobile engine is made up of cylinder block and cylinder cover two large divisions, is inter-connected via a bolt joint.

Cylinder cap is arranged on above cylinder body, from top seal cylinder and constitute combustion chamber.Its frequent and high-temperature high-pressure fuel gas Contact, therefore bear very big thermic load and mechanical load.It is formed with cooling jacket, cylinder cap inside the cylinder head of water-cooled engine The cooling water hole of lower surface is communicated with the cooling water hole of cylinder body.Cool down the high-temperature part such as combustion chamber using recirculated water.

Valve seat, valve guide hole are also equipped with cylinder cap, are used for being installed into, exhaust valve, also inlet channel and row Gas passage etc..The hole installing spark plug is machined with the cylinder head of gasoline engine, and installation spray is machined with the cylinder head of diesel engine The hole of oily device.Also it is machined with cam shaft bearing bore, in order to install camshaft in the cylinder head of cammer.

Cylinder cap is typically cast using casting pig or alloy cast iron, and the thermal conductivity of aluminium alloy is good, is conducive to improving compression ratio, institute It is used and must get more and more with aluminium alloy cylinder lid in recent years.

But, aluminum alloy cylinder cover there is also some problems in casting process.

Content of the invention

The utility model is to solve the problems, such as that prior art proposes, and its objective is to provide new automobile cylinder casting With heating thermometric stalk structure.

The technical solution of the utility model is：New automobile cylinder casting heating thermometric stalk structure, including liter liquid Pipe, is cased with I extra set, II extra set successively, is cased with III extra set, institute outside described I extra set, II extra set outside described stalk State that III extra set is outer to be cased with sleeve, between described I extra set and III extra set, form No. I chamber, described II extra set with No. III Form No. II chamber between overcoat, form No. III chamber between described III extra set and sleeve, be provided with described No. III chamber It is wrapped in the coil on No. III outer casing outer wall, described I extra set upper side forms snap ring, described upper snap ring upper end forms to accommodate and surveys The thermometric groove of temperature sensor, described thermometric groove is connected with wire casing, leadout hole successively.

Described stalk upper end formation department of assembly, described I extra set upper side forms the shoulder hole accommodating department of assembly.

Described I extra set includes the upper snap ring of upper end and the lower snap ring of lower end, and described lower snap ring external diameter is less than outside upper snap ring Footpath, described II extra set includes the upper connection ring of upper end and the lower support ring of lower end, described upper connection ring, lower support ring, lower card Ring external diameter is identical.

Described III extra set includes the ladder mounting ring of upper end and the retainer ring of lower end, described No. III outer casing internal diameter and lower card Ring external diameter is identical, and the shoulder hole of described ladder mounting ring is identical with upper snap ring external diameter.

Described No. I outer casing outer wall, upper snap ring lower surface, lower snap ring upper surface, enclose formation I between No. III outer casing inner wall Chamber, described No. II outer casing outer wall, upper connection ring lower surface, lower support ring upper surface, encloses between No. III outer casing inner wall and is formed No. II chamber.

Described No. III outer casing outer wall, ladder mounting ring lower surface, retainer ring upper surface, sleeve lining enclose No. III chamber of formation Room.

Described retainer ring end face forms through hole, and screw is fixed through above-mentioned through hole with bearing phase.

Described upper snap ring, ladder mounting ring are fixed by radial bolts, described sleeve and ladder mounting ring outer wall it Between be interference fit.

Described wire casing is in semi-circular, and described thermometric groove is parallel with leadout hole.

The utility model is reduced by No. I chamber between I extra set, II extra set and III extra set, No. II chamber Heat loss, No. III chamber midline circle can effectively avoid stalk to block, it is to avoid casting flaw, and thermometric groove, wire casing can be In the case of ensureing certainty of measurement, coil is fed back, reduce energy consumption, improve production efficiency, it is to avoid casting lacks Fall into, improve the service life of stalk.

Brief description

Fig. 1 is front view of the present utility model；

Fig. 2 is the top view of upper snap ring in the utility model；

Wherein：

1 stalk 2 I extra set

22 times snap rings of snap ring on 21

3 II extra sets

32 times support rings of connection ring on 31

4 III extra sets

41 ladder mounting ring 42 retainer ring

5 sleeve 6 I chambers

8 No. III chambers of 7 No. II chambers

9 thermometric groove 91 wire casing

92 leadout holes.

Specific embodiment

Hereinafter, with embodiment, the utility model is described in detail referring to the drawings：

As shown in figure 1, new automobile cylinder casting heating thermometric stalk structure, including stalk 1, described stalk 1 outer I extra set 2, II extra that is cased with successively covers 3, and described I extra set 2, II extra covers and is cased with III extra set 4 outside 3, described No. III It is cased with sleeve 5 outside overcoat 4, form No. I chamber 6 between described I extra set 2 and III extra set 4, described II extra covers 3 and No. III Form No. II chamber 7 between overcoat 4, between described III extra set 4 and sleeve 5, form No. III chamber 8, in described No. III chamber 8 It is provided with and is wrapped in the coil that III extra covers on 4 outer walls, described I extra covers 2 upper ends and forms snap ring 21, on described upper snap ring 21 End forms the thermometric groove 9 accommodating temperature transducer, and described thermometric groove 9 is connected with wire casing 91, leadout hole 92 successively.

Described stalk 1 upper end formation department of assembly, described I extra set 2 upper end forms the shoulder hole accommodating department of assembly.

Described I extra set 2 includes the upper snap ring 21 of upper end and the lower snap ring 22 of lower end, and described lower snap ring 22 external diameter is less than upper Snap ring 21 external diameter, described II extra set 3 includes the upper connection ring 31 of upper end and the lower support ring 32 of lower end, described upper connection ring 31st, lower support ring 32, lower snap ring 22 external diameter are identical.

Described III extra set 4 includes the ladder mounting ring 41 of upper end and the retainer ring 42 of lower end, and described III extra covers 4 internal diameters Identical with lower snap ring 22 external diameter, the shoulder hole of described ladder mounting ring 41 is identical with upper snap ring 21 external diameter.

Described I extra set 2 outer walls, upper snap ring 21 lower surface, lower snap ring 22 upper surface, III extra cover and enclose between 4 inwalls Form No. I chamber 6, described II extra set 3 outer walls, upper connection ring 31 lower surface, lower support ring 32 upper surface, III extra cover in 4 No. II chamber 7 of formation is enclosed between wall.

Described III extra set 4 outer walls, ladder mounting ring 41 lower surface, retainer ring 42 upper surface, sleeve 5 inwall enclose and are formed No. III chamber 8.

Described retainer ring 42 end face forms through hole, and screw is fixed through above-mentioned through hole with bearing phase.

Described upper snap ring 21, ladder mounting ring 41 are fixed by radial bolts, described sleeve 5 and ladder mounting ring 41 It is interference fit between outer wall.

Described wire casing 91 is in semi-circular, and described thermometric groove 9 is parallel with leadout hole 92.

Described 6, No. II chamber 7 of No. I chamber is insulation air cavity, reduces the heat loss of stalk 1.

The liquid that pours in stalk 1 can be incubated or heated after the heating of described coil electricity, it is to avoid stalk 1 Blocking, it is to avoid casting flaw.

Temperature transducer in described thermometric groove 9 real-time detection can pour the temperature of liquid near stalk 1 port of export, from And the input of coil can be adjusted.Thus effectively improving the hot investment casting quality of cylinder body.

Described wire casing 91 is in the semi-circular heat waste that can reduce in upper snap ring 21, improves thermometric accuracy simultaneously.

The utility model is reduced by No. I chamber between I extra set, II extra set and III extra set, No. II chamber Heat loss, No. III chamber midline circle can effectively avoid stalk to block, it is to avoid casting flaw, and thermometric groove, wire casing can be In the case of ensureing certainty of measurement, coil is fed back, reduce energy consumption, improve production efficiency, it is to avoid casting lacks Fall into, improve the service life of stalk.

Claims (9)

1. new automobile cylinder casting heating thermometric stalk structure, including stalk（1）It is characterised in that：Described liter of liquid Pipe（1）It is cased with I extra set successively outward（2）, II extra set（3）, described I extra set（2）, II extra set（3）It is cased with outward III extra Set（4）, described III extra set（4）It is cased with outward sleeve（5）, described I extra set（2）With III extra set（4）Between formed No. I chamber （6）, described II extra set（3）With III extra set（4）Between formed No. II chamber（7）, described III extra set（4）With sleeve（5） Between formed No. III chamber（8）, described No. III chamber（8）In be provided with and be wrapped in III extra set（4）Coil on outer wall, described I extra set（2）Upper end forms snap ring（21）, described upper snap ring（21）Upper end forms the thermometric groove accommodating temperature transducer（9）, Described thermometric groove（9）Successively with wire casing（91）, leadout hole（92）Connection.

2. new automobile cylinder casting according to claim 1 with heating thermometric stalk structure it is characterised in that：Described Stalk（1）Upper end formation department of assembly, described I extra set（2）Upper end forms the shoulder hole accommodating department of assembly.

3. new automobile cylinder casting according to claim 1 with heating thermometric stalk structure it is characterised in that：Described I extra set（2）Upper snap ring including upper end（21）Lower snap ring with lower end（22）, described lower snap ring（22）External diameter is less than upper snap ring （21）External diameter, described II extra set（3）Upper connection ring including upper end（31）Lower support ring with lower end（32）, described upper connection Ring（31）, lower support ring（32）, lower snap ring（22）External diameter is identical.

4. new automobile cylinder casting according to claim 3 with heating thermometric stalk structure it is characterised in that：Described III extra set（4）Ladder mounting ring including upper end（41）Retainer ring with lower end（42）, described III extra set（4）Internal diameter with Snap ring（22）External diameter is identical, described ladder mounting ring（41）Shoulder hole and upper snap ring（21）External diameter is identical.

5. new automobile cylinder casting according to claim 4 with heating thermometric stalk structure it is characterised in that：Described I extra set（2）Outer wall, upper snap ring（21）Lower surface, lower snap ring（22）Upper surface, III extra set（4）Formation I is enclosed between inwall Number chamber（6）, described II extra set（3）Outer wall, upper connection ring（31）Lower surface, lower support ring（32）Upper surface, III extra set （4）No. II chamber of formation is enclosed between inwall（7）.

6. new automobile cylinder casting according to claim 4 with heating thermometric stalk structure it is characterised in that：Described III extra set（4）Outer wall, ladder mounting ring（41）Lower surface, retainer ring（42）Upper surface, sleeve（5）Inwall encloses formation III Chamber（8）.

7. new automobile cylinder casting according to claim 4 with heating thermometric stalk structure it is characterised in that：Described Retainer ring（42）End face forms through hole, and screw is fixed through above-mentioned through hole with bearing phase.

8. new automobile cylinder casting according to claim 1 with heating thermometric stalk structure it is characterised in that：Described Upper snap ring（21）, ladder mounting ring（41）It is fixed by radial bolts, described sleeve（5）With ladder mounting ring（41）Outer wall Between be interference fit.

9. new automobile cylinder casting according to claim 1 with heating thermometric stalk structure it is characterised in that：Described Wire casing（91）In semi-circular, described thermometric groove（9）With leadout hole（92）Parallel.