CN111863415A - Silicone attachment for ignition coil of internal combustion engine and method thereof - Google Patents
Silicone attachment for ignition coil of internal combustion engine and method thereof Download PDFInfo
- Publication number
- CN111863415A CN111863415A CN202010915179.9A CN202010915179A CN111863415A CN 111863415 A CN111863415 A CN 111863415A CN 202010915179 A CN202010915179 A CN 202010915179A CN 111863415 A CN111863415 A CN 111863415A
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- Prior art keywords
- sleeve
- annular
- expansion
- internal combustion
- silicone
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses a silicone attachment for an ignition coil of an internal combustion engine and a method thereof, the silicone attachment comprises a sleeve body, a straight cylinder hole is arranged inside the sleeve body, a first expansion hole is arranged at one end of the straight cylinder hole, a contraction cylinder is arranged on the surface of the other side of the sleeve body, an expansion sleeve is arranged at one end of the contraction sleeve, a contraction end head is fixedly connected to the other end of the expansion sleeve, a second expansion hole is arranged inside the expansion sleeve, one end of the second expansion hole is connected to the other end of the straight cylinder hole, annular connecting grooves are arranged on the surfaces of the sleeve body and the expansion sleeve respectively, an annular positioning sleeve is fixedly clamped inside the annular connecting grooves, an annular framework is fixedly embedded inside the annular positioning sleeve, the annular connecting grooves and the annular positioning sleeve are respectively positioned at two ends of the sleeve body, and therefore, the convenience of production and use can be greatly improved, the safety and stability of installation and positioning are ensured.
Description
Technical Field
The present invention relates to the field of ignition coil technology, in particular to a silicone attachment for an ignition coil for an internal combustion engine and a method thereof.
Background
When the ignition coil is connected, the ignition coil needs to be sleeved into an insulating pipe fitting, and the silicone accessory is used.
But current ignition coil annex structure, the straight section of thick bamboo rubber tube that is simple more cup joints the location when connecting, is unfavorable for like this with the end location of coil, and it drops to become flexible easily, and causes the rubber tube to last the tensioning when compactness is too big, and thermal ageing is with higher speed, reduces life, and safety and stability is not enough to be unfavorable for lubricating the maintenance, current rubber performance is unsatisfactory simultaneously, remains to propose a new rubber annex.
Disclosure of Invention
The object of the present invention is to solve the drawbacks of the prior art and to propose a silicone attachment for an ignition coil of an internal combustion engine and a method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the silicone attachment for the ignition coil of the internal combustion engine comprises a sleeve body, wherein a straight cylinder hole is formed in the sleeve body, a first expansion hole is formed in one end of the straight cylinder hole, a contraction cylinder is arranged on the surface of the other side of the sleeve body, an expansion sleeve is arranged at one end of the contraction sleeve, a contraction end head is fixedly connected to the other end of the expansion sleeve, a second expansion hole is formed in the expansion sleeve, one end of the second expansion hole is connected to the other end of the straight cylinder hole, annular connecting grooves are formed in the surfaces of the sleeve body and the expansion sleeve, annular positioning sleeves are fixedly clamped in the annular connecting grooves, annular frameworks are fixedly embedded in the annular positioning sleeves, and the annular connecting grooves and the annular positioning sleeves are located at two ends of the sleeve body respectively.
Preferably, the side surface of the shrinkage sleeve is fixedly connected with annular sheets, and the annular sheets are symmetrically distributed at two ends of the sleeve body.
Preferably, the surface of the annular sheet is provided with puncture holes, and the puncture holes are uniformly distributed on the surface of the annular sheet at equal angles.
Preferably, the surface of the annular positioning sleeve is fixedly wound with a reinforcing fiber, and two ends of the reinforcing fiber are fixedly connected to the side surfaces of the annular connecting groove.
Preferably, the surface of the reinforcing fiber is connected to the surface of the shrinkage cylinder in a bent manner, and the side surface of the reinforcing fiber is fixedly penetrated through the side surface of the puncture hole.
Preferably, the sleeve body is made of silicone rubber and comprises 40% -60% of polysiloxane silicone resin, 10% -20% of low-density polyethylene, 3% -6% of dibutyltin dilaurate catalyst, 5% -8% of isocyanate, 2% -5% of silane coupling agent and 20% -30% of polyether glycol solvent.
Preferably, the preparation method of the silicone rubber comprises the following steps:
s1, weighing the components according to the mass percentage for later use;
s2, placing polyether glycol into a reaction kettle, vacuumizing to-0.05 MPa to-0.03 MPa, simultaneously heating to 90 ℃ to 125 ℃, keeping the temperature for 4 hours to 6 hours, and then discharging gas to obtain a standby solvent;
s3, adding polysiloxane silicone resin and low-density polyethylene into a ball mill for ball milling treatment to obtain a mixed raw material;
s4, adding the mixed soft material into a standby solvent, uniformly stirring for 5 to 8 minutes, adding a dibutyltin dilaurate catalyst, isocyanate and a silane coupling agent, and continuously stirring to react for 2 to 3 hours to obtain a viscous product;
and S5, dehydrating and drying the viscous product, and putting the viscous product into a double-screw extruder for extrusion granulation to obtain the silicone rubber.
According to the silicone attachment for the ignition coil of the internal combustion engine and the method thereof, the multi-stage structure sleeve body is adopted, the annular connecting grooves at two ends are combined to connect the annular positioning sleeves, binding positioning is facilitated after sleeving, structural stability is improved, the periphery is connected with the reinforcing fibers for tensioning, cracking caused by over tensioning is avoided, meanwhile, the inside can be maintained by flushing lubricating oil in a daily safety mode, convenience and stability are achieved, reaction production is carried out by adopting reasonable material proportion, the rubber performance of the silicone attachment is improved, the structural strength and the anti-cracking effect are guaranteed, convenience in production and use can be greatly improved, and safety and stability of installation and positioning are guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the annular positioning sleeve of FIG. 1 at point A.
In the figure: the structure comprises a sleeve body 1, a straight cylinder hole 11, a first expansion hole 12, a contraction sleeve 13, an expansion sleeve 14, a contraction end 15, a second expansion hole 16, an annular connecting groove 17, an annular positioning sleeve 18, an annular framework 19, an annular sheet 2, a puncture hole 21 and reinforcing fibers 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Referring to fig. 1 and 2, a silicone attachment for an ignition coil of an internal combustion engine and a method thereof includes a sleeve body 1, the sleeve body 1 is provided with a straight cylinder hole 11 therein and can be directly mounted in a sleeved manner, one end of the straight cylinder hole 11 is provided with a first expansion hole 12, the other side surface of the sleeve body 1 is provided with a shrinkage cylinder 13, a shrinkage intermediate position is provided to ensure stability of the sleeved manner, one end of the shrinkage cylinder 13 is provided with an expansion cylinder 14, the other end of the expansion cylinder 14 is fixedly connected with a shrinkage end head 15, the expansion cylinder 14 is provided with a second expansion hole 16 therein and can be lubricated and maintained by injecting lubricating oil, so that anti-aging and cracking effects are improved, safety in use is ensured, one end of the second expansion hole 16 is connected to the other end of the straight cylinder hole 11, annular connecting grooves 17 are provided on the surfaces of the sleeve body 1 and the expansion cylinder 14, and an annular positioning sleeve 18, annular position sleeve 18's inside is fixed to be inlayed and is had annular skeleton 19, can cup joint the location, does benefit to the constraint installation, improves stability, avoids not hard up droing, and is safe high-efficient, and annular spread groove 17 and annular position sleeve 18 are located the both ends position of sleeve pipe body 1 respectively.
Preferably, the side surface of the shrink sleeve 13 is fixedly connected with the annular sheets 2, and the annular sheets 2 are symmetrically distributed at two end positions of the sleeve body 1.
Preferably, the surface of the ring-shaped piece 2 is provided with the puncture holes 21, and the puncture holes 21 are uniformly distributed on the surface of the ring-shaped piece 2 at equal angles.
Preferably, the surface of the annular positioning sleeve 18 is fixedly wound with the reinforcing fibers 22, two ends of each reinforcing fiber 22 are fixedly connected to the side surface of the annular connecting groove 17, and the reinforcing fibers pass through the puncture holes 21 to be connected and positioned, so that the sleeve body 1 can be reinforced, the structural strength is ensured, cracking and local falling are avoided, and the sleeve is safe and stable.
Preferably, the surface of the reinforcing fiber 22 is bent and connected to the surface of the shrinkage cylinder 13, and the side surface of the reinforcing fiber 22 is fixed to the side surface of the puncture hole 21.
Preferably, the sleeve body 1 is made of silicone rubber, and comprises 46% of polysiloxane silicone resin, 20% of low-density polyethylene, 5% of dibutyltin dilaurate catalyst, 6% of isocyanate, 3% of silane coupling agent and 20% of polyether glycol solvent.
Preferably, the preparation method of the silicone rubber comprises the following steps:
s1, weighing the components according to the mass percentage for later use;
s2, placing polyether glycol into a reaction kettle, vacuumizing to-0.05 MPa to-0.03 MPa, simultaneously heating to 90 ℃ to 125 ℃, keeping the temperature for 4 hours to 6 hours, and then discharging gas to obtain a standby solvent;
s3, adding polysiloxane silicone resin and low-density polyethylene into a ball mill for ball milling treatment to obtain a mixed raw material;
s4, adding the mixed soft material into a standby solvent, uniformly stirring for 5 to 8 minutes, adding a dibutyltin dilaurate catalyst, isocyanate and a silane coupling agent, and continuously stirring to react for 2 to 3 hours to obtain a viscous product;
and S5, dehydrating and drying the viscous product, and putting the viscous product into a double-screw extruder for extrusion granulation to obtain the silicone rubber.
Claims (7)
1. A silicone attachment for ignition coils of internal combustion engines and a method thereof, comprising a bushing body (1), characterized in that: a straight cylinder hole (11) is arranged in the sleeve body (1), a first expansion hole (12) is arranged at one end of the straight cylinder hole (11), a contraction cylinder (13) is arranged on the surface of the other side of the sleeve body (1), an expansion sleeve (14) is arranged at one end of the contraction sleeve (13), the other end of the expansion sleeve (14) is fixedly connected with a contraction end head (15), a second expansion hole (16) is arranged in the expansion sleeve (14), one end of the second expansion hole (16) is connected with the other end of the straight cylindrical hole (11), the surfaces of the sleeve body (1) and the expansion sleeve (14) are both provided with an annular connecting groove (17), an annular positioning sleeve (18) is fixedly clamped inside the annular connecting groove (17), an annular framework (19) is fixedly embedded in the annular positioning sleeve (18), the annular connecting groove (17) and the annular positioning sleeve (18) are respectively positioned at two ends of the sleeve body (1).
2. A silicone attachment for ignition coils of internal combustion engines and method thereof according to claim 1, characterized in that: the side face of the shrink sleeve (13) is fixedly connected with annular sheets (2), and the annular sheets (2) are symmetrically distributed at two ends of the sleeve body (1).
3. A silicone attachment for ignition coils of internal combustion engines and method thereof according to claim 2, characterized in that: the surface of the annular sheet (2) is provided with puncture holes (21), and the puncture holes (21) are uniformly distributed on the surface of the annular sheet (2) at equal angles.
4. A silicone attachment for ignition coils of internal combustion engines and method thereof according to claim 1, characterized in that: and the surface of the annular positioning sleeve (18) is fixedly wound with reinforcing fibers (22), and two ends of each reinforcing fiber (22) are fixedly connected to the side surfaces of the annular connecting grooves (17).
5. A silicone attachment for ignition coil of internal combustion engine and method thereof according to claim 4 characterized by: the surface of the reinforcing fiber (22) is connected to the surface of the shrinkage cylinder (13) in a bending mode, and the side face of the reinforcing fiber (22) fixedly penetrates through the side face of the puncture hole (21).
6. A silicone attachment for ignition coils of internal combustion engines and method thereof according to claim 1, characterized in that: the sleeve body (1) is made of silicone rubber and comprises 40-60% of polysiloxane silicone resin, 10-20% of low-density polyethylene, 3-6% of dibutyltin dilaurate catalyst, 5-8% of isocyanate, 2-5% of silane coupling agent and 20-30% of polyether glycol solvent.
7. A silicone attachment for ignition coil of internal combustion engine and method thereof according to claim 6 characterized by: the preparation method of the silicone rubber comprises the following steps:
s1, weighing the components according to the mass percentage for later use;
s2, placing polyether glycol into a reaction kettle, vacuumizing to-0.05 MPa to-0.03 MPa, simultaneously heating to 90 ℃ to 125 ℃, keeping the temperature for 4 hours to 6 hours, and then discharging gas to obtain a standby solvent;
s3, adding polysiloxane silicone resin and low-density polyethylene into a ball mill for ball milling treatment to obtain a mixed raw material;
s4, adding the mixed soft material into a standby solvent, uniformly stirring for 5 to 8 minutes, adding a dibutyltin dilaurate catalyst, isocyanate and a silane coupling agent, and continuously stirring to react for 2 to 3 hours to obtain a viscous product;
and S5, dehydrating and drying the viscous product, and putting the viscous product into a double-screw extruder for extrusion granulation to obtain the silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915179.9A CN111863415B (en) | 2020-09-03 | 2020-09-03 | Silicone attachment for ignition coil of internal combustion engine and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915179.9A CN111863415B (en) | 2020-09-03 | 2020-09-03 | Silicone attachment for ignition coil of internal combustion engine and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111863415A true CN111863415A (en) | 2020-10-30 |
| CN111863415B CN111863415B (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010915179.9A Active CN111863415B (en) | 2020-09-03 | 2020-09-03 | Silicone attachment for ignition coil of internal combustion engine and method thereof |
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| Country | Link |
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| CN (1) | CN111863415B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857901A (en) * | 1958-06-04 | 1961-01-04 | Backer Elektro Vaerme | Improvements in or relating to methods of sealing tubular electric heating elements |
| US5537983A (en) * | 1994-11-17 | 1996-07-23 | Sumitomo Wiring Systems, Ltd. | Ignition system for internal combustion engine |
| JPH10149934A (en) * | 1996-09-20 | 1998-06-02 | Hitachi Ltd | Ignition coil for internal combustion engine |
| JP2001118965A (en) * | 1999-10-20 | 2001-04-27 | Hitachi Chem Co Ltd | Electric/electronic part |
| JP2014109434A (en) * | 2012-12-04 | 2014-06-12 | Robert Bosch Gmbh | Preheating plug of diesel engine having extendible electrode |
-
2020
- 2020-09-03 CN CN202010915179.9A patent/CN111863415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857901A (en) * | 1958-06-04 | 1961-01-04 | Backer Elektro Vaerme | Improvements in or relating to methods of sealing tubular electric heating elements |
| US5537983A (en) * | 1994-11-17 | 1996-07-23 | Sumitomo Wiring Systems, Ltd. | Ignition system for internal combustion engine |
| CN1131726A (en) * | 1994-11-17 | 1996-09-25 | 住友电装株式会社 | Ignition system for internal combustion engine |
| JPH10149934A (en) * | 1996-09-20 | 1998-06-02 | Hitachi Ltd | Ignition coil for internal combustion engine |
| JP2001118965A (en) * | 1999-10-20 | 2001-04-27 | Hitachi Chem Co Ltd | Electric/electronic part |
| JP2014109434A (en) * | 2012-12-04 | 2014-06-12 | Robert Bosch Gmbh | Preheating plug of diesel engine having extendible electrode |
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| Publication number | Publication date |
|---|---|
| CN111863415B (en) | 2023-02-21 |
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