CN102410087A - Heat Insulation Piece - Google Patents
Heat Insulation Piece Download PDFInfo
- Publication number
- CN102410087A CN102410087A CN2011102207741A CN201110220774A CN102410087A CN 102410087 A CN102410087 A CN 102410087A CN 2011102207741 A CN2011102207741 A CN 2011102207741A CN 201110220774 A CN201110220774 A CN 201110220774A CN 102410087 A CN102410087 A CN 102410087A
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- CN
- China
- Prior art keywords
- wall portion
- mentioned
- surrounding wall
- insulating spacer
- assembly department
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Ignition Installations For Internal Combustion Engines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention provides a kind of insulating spacer that can be easily assembled to electronic unit on engine main body. Insulating spacer (50) configuration is in electronic unit (CDI unit (70)) and is set between multiple boss portions (37) of engine (100),Electronic unit has the multiple through holes (76) being correspondingly arranged with multiple boss portions (37),The insulating spacer (50) has: multiple mounting portions (55),It is corresponding with multiple boss portions (37) and is made of peripheral wall portion (59) and multiple clamping parts (57),The clamping part (57) is clamped by the boss portion (37) and electronic unit,The peripheral wall portion (59) is located at the periphery of each clamping part (57) with protruding from engine side; Linking part (51),It links multiple mounting portions (55),The peripheral wall portion (59) being located on multiple clamping parts (57) forms jagged in multiple clamping parts (57) opposed facing side.
Description
Technical field
The present invention relates to a kind of insulating spacer, particularly relate to and a kind ofly be configured in motor and be installed in the insulating spacer between the electronic unit on this motor.
Background technique
In the past; The separator of for example known following adiabaticity, that is, of patent documentation 1; Utilize clamp structure that self ignition coil unit (electronic unit) is exposed to outside iron core and be anchored on the boss on the cylinder body that is located at engine main body, thereby ignition coil unit is installed on the motor.Here, at the iron core of ignition coil unit and be located between the boss on the cylinder body of motor, dispose the separator of the adiabaticity that constitutes by resin.
Can think and the separator that adopts this adiabaticity can suppress to be transmitted to ignition coil unit via the iron core of ignition coil unit from the boss that is located on the cylinder body really from the heat that the motor main body produces.
Patent documentation 1: TOHKEMY 2009-127533 communique (the 0040th section)
The problem that invention will solve
But,, when assembling motor and ignition coil unit, only utilize the iron core and the separator that is located at this adiabaticity of boss clamping on the cylinder body of ignition coil unit for the separator of patent documentation 1 described adiabaticity.Therefore, when carrying out assembling work, separator drops easily, and assembling performance descends.
Summary of the invention
As an example, purpose is to provide a kind of can easily be assemblied in the insulating spacer on the engine main body with electronic unit with the problem of above-mentioned that kind in the present invention.
The scheme that is used to deal with problems
In order to solve the problem of above-mentioned that kind; Insulating spacer of the present invention is configured in electronic unit and is located between a plurality of boss part on the motor; This electronic unit has a plurality of penetration holes that are provided with accordingly with these a plurality of boss part, and this insulating spacer is characterised in that this insulating spacer possesses: a plurality of assembly departments; It is corresponding with above-mentioned a plurality of boss part; And this assembly department is made up of surrounding wall portion and a plurality of clamping part, and these a plurality of clamping parts are by this boss part and above-mentioned electronic unit clamping, and this surrounding wall portion is to be located at the periphery of this each clamping part to the outstanding mode of engine side; Linking department, it should link up by a plurality of assembly departments, and the surrounding wall portion that is located on above-mentioned a plurality of clamping part is formed with breach in the opposed facing side of these a plurality of clamping parts.
Through the surrounding wall portion to be located on the clamping part to the outstanding mode of engine side is contacted with the periphery of boss part; Carry out the contraposition of boss part and clamping part easily; Link up through a plurality of assembly departments that utilize linking department will be formed with this kind surrounding wall portion in addition, thereby can roughly side by side carry out the contraposition of an assembly department and the contraposition of another assembly department.And, because practising physiognomy, a plurality of surrounding wall portion form over the ground, therefore assemble easily; Even and under the situation that has taken place to rock at an assembly department; Surrounding wall portion through making another assembly department contacts with boss part, can suppress to rock, and insulating spacer is not easy to drop from boss part.
In addition, insulating spacer of the present invention is characterised in that, the end of the side opposite with above-mentioned clamping part in above-mentioned linking department and the above-mentioned surrounding wall portion is connected.The formation position of linking department is apart from clamping part position farthest, therefore can linking department be set significantly with the electronic unit that is located at the clamping part side between distance, thereby can suppress linking department and electronic unit interference.
In addition; Insulating spacer of the present invention is characterised in that; Above-mentioned a plurality of surrounding wall portion is made up of first surrounding wall portion and second surrounding wall portion; Above-mentioned first surrounding wall portion and above-mentioned second surrounding wall portion are with respect to forming axisymmetrically apart from above-mentioned first assembly department and the equidistant central axis of above-mentioned second assembly department; Insulating spacer more preferably of the present invention is characterised in that above-mentioned a plurality of assembly departments are made up of first assembly department and second assembly department, and above-mentioned first assembly department, above-mentioned second assembly department and above-mentioned linking department dispose with respect to above-mentioned central axis axisymmetrically.A part or integral body through making insulating spacer form symmetric construction, can improve the balance in when assembling, and the directivity that can consider to assemble is carried out operation (with respect to the corresponding relation of each assembly department of each boss part).
The effect of invention
Adopt the present invention, can provide a kind of and can easily electronic unit be assemblied in the insulating spacer in the engine main body.
Description of drawings
Fig. 1 is the exploded perspective view that has as the motor of the insulating spacer of a mode of execution of the present invention.
(a) of Fig. 2 is the plan view of electronic unit, (b) is the plan view of this electronic unit, (c) is the side view of this electronic unit.
(a) of Fig. 3 is the stereogram as the insulating spacer of a mode of execution of the present invention; (b) being the stereogram of this insulating spacer, (c) is the worm's eye view of this insulating spacer, (d) is the side view of this insulating spacer; (e) being the plan view of this insulating spacer, (f) is the f-f sectional view of (c).
Fig. 4 is the partial enlarged drawing that has as the motor of the insulating spacer of a mode of execution of the present invention.
(a) of Fig. 5 is the plan view of the variation of expression insulating spacer of the present invention.(b) be the plan view of another variation of expression insulating spacer of the present invention.
Embodiment
Below, the mode of execution that present invention will be described in detail with reference to the accompanying.Explanation for ease for the part that serves the same role effect, marks identical reference character and omits explanation.In addition; Can use the present invention in the insulating spacer between the electronic unit on the motor widely being disposed at motor and being installed in; But here; Be motor to adopting the general small-size motor, to adopt CDI (Capacitive Discharge Ignition, CD ignition system) unit be that an example of the situation of electronic unit describes.
Fig. 1 is the exploded perspective view of the outward appearance of expression motor 100, and the state of engine main body 10, insulating spacer 50 and CDI unit 70 is resolved into motor 100 in expression.Through cylinder body 30 fixedly is located on the crankcase 20, constitute engine main body 10.Bent axle (omit diagram) is outstanding from the bi-side of crankcase 20, and an end of this bent axle is brought into play function as output shaft, for example utilizes bolt 41 to be fixed with flywheel (fly wheel) 40 at the other end of this bent axle.Be used for forming, be provided with in the part of the outer circumferential face of flywheel 40 and be used to utilize CDI unit 70 to produce the high-tension magnet 45 of igniting usefulness to cooling fan of cylinder body 30 side air blast 43 and flywheel 40.
For example utilize the such heat resistance of phenolic resin and the resin of adiabaticity to form insulating spacer 50 with excellence.Shown in Fig. 3 (a)～(f), insulating spacer 50 is made up of the first assembly department 55a and the second assembly department 55b (being called " assembly department 55 " during general name) that form rectilinear flat linking department 51 and be located at the two ends of this linking department 51.To dispose the mode of the position of the first assembly department 55a and the second assembly department 55b accordingly, linking department 51 is formed the length of regulation with the first boss part 37a and the position of the second boss part 37b that are located on the cylinder body 30.
The first assembly department 55a is made up of the annulus tabular first clamping part 57a and the first surrounding wall portion 59a; The second assembly department 55b is made up of the annulus tabular second clamping part 57b and the second surrounding wall portion 59b; The above-mentioned first clamping part 57a and the second clamping part 57b (being called " clamping part 57 " during general name) have the predetermined thickness T that is used to bring into play insulation effect, and the above-mentioned first surrounding wall portion 59a and the second surrounding wall portion 59b (being called " surrounding wall portion " during general name) are provided with in the outer circumferential engine side separately of this first clamping part 57a and the second clamping part 57b highlightedly.In addition, the link direction quadrature of the projected direction of surrounding wall portion 59 and linking department 51.External diameter ground roughly the same with the external diameter of boss part 37 at least or that be a bit larger tham boss part 37 forms the external diameter of clamping part 57, can utilize assembly department 55 to cover the end face of boss part 37 thus.First 58a of hole portion that is located at the central authorities of the first clamping part 57a supplies clamp structure 80a to run through, and second 58b of hole portion that is located at the central authorities of the second clamping part 57b supplies clamp structure 80b to run through (being called " hole portion 58 " when general name first 58a of hole portion and second 58b of hole portion).
The first surrounding wall portion 59a is by constituting along the crooked wall with specified altitude of the periphery of the first clamping part 57a, and the second surrounding wall portion 59b is by constituting along the crooked wall with specified altitude of the periphery of the second clamping part 57b.Surrounding wall portion 59 is the shapes that machine away the formation of part back from the shape of the whole circumference of being located at clamping part 57; The first surrounding wall portion 59a in the embodiment illustrated and the second surrounding wall portion 59b are in the periphery of clamping part 57; In the roughly half the scope of the side that the first clamping part 57a and the second clamping part 57b face mutually, be formed with breach 56a, 56b (with reference to (c) of Fig. 3).In this case, when for example supposing to make the first clamping part 57a and the second clamping part 57b superimposed, then utilize the first surrounding wall portion 59a and the second surrounding wall portion 59b can form the general cylindrical shape shape making move parallel of the first clamping part 57a with the second clamping part 57b.
In addition, shown in Fig. 3 (c), the first assembly department 55a and the second assembly department 55b be 52a, 52b place at the two end part of linking department 51, disposes to opposition side each other from the centre line L 1 of the length direction of linking department 51 with departing from.The first assembly department 55a and the second assembly department 55b dispose with respect to the central axis A axisymmetric (rotation symmetry), and this central axis A is extended with the projected direction of surrounding wall portion 59 at the intermediate point C of the first assembly department 55a and the second assembly department 55b (being the central point of linking department in embodiment illustrated) abreast.In addition; Shown in Fig. 3 (d); Central axis A be side-looking look apart from the first assembly department 55a (the first surrounding wall portion 59a) and the second assembly department 55b (the second surrounding wall portion 59b) equidistantly with linking department 51 quadratures draw and form, it is overlapping to overlook look central axis A and intermediate point C.Adopt the structure of above-mentioned that kind,, be difficult for rocking in that insulating spacer was put under the situation on the boss part 37 in 50 years.
In addition, first surrounding wall portion 59a among the first assembly department 55a and the second surrounding wall portion 59b among the second assembly department 55b be configuration axisymmetrically also, and therefore the first surrounding wall portion 59a and the second surrounding wall portion 59b dispose (so-called mutual biting type structure) with facing with each other.Adopt this kind structure; Insulating spacer was being put under the situation on the boss part 37 in 50 years; When insulating spacer 50 almost will be when a lateral deviation leaves; The inwall of at least one side's among the first surrounding wall portion 59a and the second surrounding wall portion 59b surrounding wall portion 59 contacts with the periphery of pairing boss part 37, can suppress insulating spacer 50 and break away from boss part 37 and drop.
In addition; The method that CDI unit 70 is assembled on the engine main body 10 is: at first, put insulating spacer 50 so that first boss part 37a of the first assembly department 55a and the second assembly department 55b (first 58a of hole portion and second 58b of hole portion) and corresponding engine main body 10 and the overlapping mode of the second boss part 37b are carried.Then, under this state,, penetration hole 76a, 76b put CDI unit 70 so that carrying with the corresponding first assembly department 55a and the overlapping mode of the second assembly department 55b.And, keep utilizing CDI unit 70 and engine main body 10 boss part 37 clamping insulating spacers 50 state unchangeably, utilize the fastening penetration hole of clamp structure 80 76, hole portion 58 and boss part 37.
Fig. 4 representes CDI unit 70 is assembled to the state on the engine main body 10.Therefore in this example, the width H of the distance B from the first boss part 37a to the second boss part 37b and the housing section 71 of CDI unit 70 is roughly the same, the bigger gap of formation between the side face of the periphery of boss part 37 and housing section 71.But; Because the first surrounding wall portion 59a of insulating spacer 50 and the second surrounding wall portion 59b are formed with breach 56a, 56b in the roughly half the scope of a side that faces with each other of the periphery of the first clamping part 57a and the second clamping part 57b; Therefore between the side face of the periphery of boss part 37 and housing section 71, do not form surrounding wall portion 59, CDI unit 70 and insulating spacer 50 can not disturb.
In addition; In this example; Link the linking department 51 that the lower end of the first surrounding wall portion 59a and the lower end of the second surrounding wall portion 59b form insulating spacer 50 (being formed with the tip side of opposition side of a side of clamping part 57); Therefore between the linking department 51 of the housing section 71 of CDI unit 70 and insulating spacer 50, be formed with sufficient space, CDI unit 70 and insulating spacer 50 can not disturb.In addition, can suppress thus to be hindered fully from the air-flow of the air of cooling fan 43.
More than, specified mode of execution of the present invention with reference to accompanying drawing, but concrete structure being not limited to above-mentioned mode of execution, the present invention also comprises the change in the design in the scope that does not break away from purport of the present invention etc.
For example, the shape that the linking department in the insulating spacer has been described is rectilinear flat example, but the present invention is not limited thereto, and can adopt the shape of expectation.For example also can be shown in Fig. 5 (a), the linking department 251 that links assembly department 255 at two end part is overlooked to look and is S font roughly.In addition, in this case, also can form symmetric construction through integral body and obtain certain balance, but be that the torque at center becomes big with the straight line L2 that assembly department 255 is linked up each other with insulating spacer 250.
In addition, the example that disposes to opposition side from the center line of linking department with respect to the position of the assembly department of linking department has been described with departing from, but the present invention is not limited thereto.For example also can shown in Fig. 5 (b), overlook and look, assembly department 355,355 with respect to the position configuration that forms rectilinear flat linking department 351 on the centre line L 3 of linking department 351.In this case, centre line L 3 is overlapping with the straight line that assembly department 355,355 is linked up, and is therefore good with respect to the balance about centre line L 3, is difficult for rocking.In addition, in embodiment illustrated, assembly department 355 is overlooked to look and is roughly ellipticity, and the inner side surface of surrounding wall portion 359 (dotting) also is roughly ellipticity.Like this; Through form the inboard of surrounding wall portion 359 than boss part the earth, when putting on boss part in 350 years insulating spacer, surrounding wall portion 359 an opposed facing side each other can not contact with boss part; Therefore same with the situation that is provided with breach, can easily assemble.
In addition, explained to be formed with the example that supplies the hole portion that clamp structure runs through at the center of clamping part, but the present invention is not limited thereto.Clamping part is so long as got final product by boss part and the structure that is formed with the iron core clamping of penetration hole, for example also can breach be formed up near the center of clamping part, is hole portion thereby this barbed portion substituted.
Illustration the CDI unit be electronic unit; But the present invention is not limited thereto; For example also can be other such igniting units of picture MDI (Multiple Discharge Ignition, multiple discharge system) unit, also have an electronic unit of the different functions except igniting unit.
In addition, the shape of motor, electronic unit is that illustration is used, and the present invention also can be applied in the motor that has here the shape of expression not, the electronic unit certainly.When being installed in electronic unit on the engine main body, under the situation of electronic unit and insulating spacer interference, can suitably change the shape of insulating spacer.In embodiment and variation; All represented the integral body (or in surrounding wall portion) of insulating spacer is formed the example of symmetric construction (particularly axisymmetric); But under the situation that electronic unit and insulating spacer disturb, also can joint for example be formed non-symmetrical configuration such as U font.
In addition, the material of clamp structure is not special to be limited, and can be normally used iron etc.But it should be noted that through adopting the such low materials such as thermal conductivity ratio iron of stainless steel for example, be difficult to conduction more from the heat of boss part.
In addition, the example that the breach on the surrounding wall portion is formed on the side that faces with each other on the periphery of clamping part has been described, but the present invention is not limited thereto.For example also can this breach be formed on the opposition side of a side that faces with each other.
In addition, the example that on insulating spacer, is provided with two place's assembly departments has been described, but the present invention is not limited thereto.Can be according to the quantity that is located at the boss part on the motor, be located at the quantity of the penetration hole in the electronic unit, suitably change the quantity of assembly department, for example also can be more than three places.
Claims (4)
1. insulating spacer, it is configured in electronic unit and is located between a plurality of boss part on the motor, and this electronic unit has a plurality of penetration holes that are provided with accordingly with these a plurality of boss part, and this insulating spacer is characterised in that,
This insulating spacer possesses:
A plurality of assembly departments; It is corresponding with above-mentioned a plurality of boss part; And this assembly department is made up of surrounding wall portion and a plurality of clamping part, and these a plurality of clamping parts are by this boss part and above-mentioned electronic unit clamping, and this surrounding wall portion is to be located at the periphery of this each clamping part to the outstanding mode of engine side;
Linking department, it should link up by a plurality of assembly departments,
The surrounding wall portion that is located on above-mentioned a plurality of clamping part is formed with breach in the opposed facing side of these a plurality of clamping parts.
2. insulating spacer according to claim 1 is characterized in that,
The end of the side opposite with above-mentioned clamping part in above-mentioned linking department and the above-mentioned surrounding wall portion is connected.
3. insulating spacer according to claim 1 and 2 is characterized in that,
Above-mentioned a plurality of surrounding wall portion is made up of first surrounding wall portion and second surrounding wall portion;
Above-mentioned first surrounding wall portion and above-mentioned second surrounding wall portion are with respect to forming axisymmetrically apart from above-mentioned first assembly department and the equidistant central axis of above-mentioned second assembly department.
4. insulating spacer according to claim 3 is characterized in that,
Above-mentioned a plurality of assembly department is made up of first assembly department and second assembly department;
Above-mentioned first assembly department, above-mentioned second assembly department and above-mentioned linking department dispose with respect to above-mentioned central axis axisymmetrically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-212151 | 2010-09-22 | ||
| JP2010212151A JP5460535B2 (en) | 2010-09-22 | 2010-09-22 | Thermal insulation spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410087A true CN102410087A (en) | 2012-04-11 |
| CN102410087B CN102410087B (en) | 2014-08-20 |
Family
ID=45912380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110220774.1A Expired - Fee Related CN102410087B (en) | 2010-09-22 | 2011-08-02 | Heat Insulation Piece |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5460535B2 (en) |
| CN (1) | CN102410087B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425742A (en) * | 2017-02-14 | 2018-08-21 | 丰田自动车株式会社 | Power train |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162729A (en) * | 1982-03-23 | 1983-09-27 | Nissan Motor Co Ltd | Noncontact sound insulation plate for automobile engine |
| CN1280244A (en) * | 1999-07-12 | 2001-01-17 | 本田技研工业株式会社 | Engine drive device |
| US20060138300A1 (en) * | 2004-12-27 | 2006-06-29 | Federal-Mogul World Wide, Inc. | Heat shield for engine mount |
| JP2009127533A (en) * | 2007-11-22 | 2009-06-11 | Kawasaki Heavy Ind Ltd | Engine radio wave shield device |
| CN101532430A (en) * | 2009-03-30 | 2009-09-16 | 奇瑞汽车股份有限公司 | Multifunctional engine timing cover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0319469U (en) * | 1989-07-07 | 1991-02-26 | ||
| JP3733853B2 (en) * | 2000-10-02 | 2006-01-11 | 国産電機株式会社 | Ignition device for internal combustion engine |
-
2010
- 2010-09-22 JP JP2010212151A patent/JP5460535B2/en not_active Expired - Fee Related
-
2011
- 2011-08-02 CN CN201110220774.1A patent/CN102410087B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162729A (en) * | 1982-03-23 | 1983-09-27 | Nissan Motor Co Ltd | Noncontact sound insulation plate for automobile engine |
| CN1280244A (en) * | 1999-07-12 | 2001-01-17 | 本田技研工业株式会社 | Engine drive device |
| US20060138300A1 (en) * | 2004-12-27 | 2006-06-29 | Federal-Mogul World Wide, Inc. | Heat shield for engine mount |
| JP2009127533A (en) * | 2007-11-22 | 2009-06-11 | Kawasaki Heavy Ind Ltd | Engine radio wave shield device |
| CN101532430A (en) * | 2009-03-30 | 2009-09-16 | 奇瑞汽车股份有限公司 | Multifunctional engine timing cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425742A (en) * | 2017-02-14 | 2018-08-21 | 丰田自动车株式会社 | Power train |
| CN108425742B (en) * | 2017-02-14 | 2020-12-15 | 丰田自动车株式会社 | Drive train |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5460535B2 (en) | 2014-04-02 |
| CN102410087B (en) | 2014-08-20 |
| JP2012067651A (en) | 2012-04-05 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180802 |