CN105221540B - Cylinder cover enclosure Anti-off bolt with sealing ring - Google Patents
Cylinder cover enclosure Anti-off bolt with sealing ring Download PDFInfo
- Publication number
- CN105221540B CN105221540B CN201510404909.8A CN201510404909A CN105221540B CN 105221540 B CN105221540 B CN 105221540B CN 201510404909 A CN201510404909 A CN 201510404909A CN 105221540 B CN105221540 B CN 105221540B
- Authority
- CN
- China
- Prior art keywords
- bolt
- sealing ring
- key
- cylinder
- cylinder cover
- 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.)
- Expired - Fee Related
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Abstract
The present invention relates to bolt, and in particular to cylinder bolt.Cylinder cover enclosure Anti-off bolt with sealing ring, including cylinder bolt main body, cylinder bolt main body include bolt head and the key extended downwardly from bolt head, and key connects a screw rod；Sealing ring is cased with key.Cylinder bolt of the present invention is carried out more effectively spacing by controlling the decrement of the sealing ring between engine cylinder cover and cylinder cover enclosure, the vibrations that engine is brought can be reduced, prevent bolt and come off or loosen because of vibration, and the coupling mechanism force of bolt can be increased, reduce noise.And the present invention is simple in construction, reduces certain cost, is conducive to sustainable development.
Description
Technical field
The present invention relates to bolt, and in particular to cylinder bolt.
Background technology
Cylinder bolt is daily life and the one kind being commonly used in industry on fixed car engine cylinder cover and cylinder cover enclosure
Bolt.Traditional cylinder cover bolt can not carry out spacing well, easily produce potential safety hazard.The fortune of main engine plants is being transported to from supplier
During defeated, conventional bolt, which is placed on above cylinder cover enclosure, easily to come off.Engine is often producing violent shake using process
Dynamic, vibration can cause the junction of cylinder bolt makes bolt easily come off because of vibration.
The content of the invention
It is an object of the invention to provide the cylinder cover enclosure Anti-off bolt with sealing ring, at least one technology above is solved
Problem.
Technical problem solved by the invention can be realized using following technical scheme：
Cylinder cover enclosure Anti-off bolt with sealing ring, including cylinder bolt main body, it is characterised in that the cylinder bolt
Main body includes bolt head and the key extended downwardly from the bolt head, and the key connects a screw rod；
Sealing ring is cased with the key.
Cylinder bolt of the present invention is carried out by controlling the decrement of the sealing ring between engine cylinder cover and cylinder cover enclosure
It is more effectively spacing, the vibrations that engine is brought can be reduced, bolt is prevented and come off or loosen because of vibration, and spiral shell can be increased
The coupling mechanism force of bolt, reduces noise.And the present invention is simple in construction, reduces certain cost, is conducive to sustainable development.
The screw rod is provided with circular projection, and the circular raised external diameter is more than the external diameter of the key, also greatly
In the external diameter of the screw rod.
The present invention is additionally provided with a circular projection, and circular projection can prevent bolt from transporting to the fortune of main engine plants from supplier
It is difficult to drop during defeated.
The external diameter of the key is more than the external diameter of the screw rod.Material saving reduces cost.
Internal thread is provided with inside the key, the screw rod outer wall is provided with the first outer spiral shell matched with the internal thread
Line.
The present invention connects key and screw rod by helicitic texture, makes connection even closer difficult for drop-off.
The bolt head bottom is circular in one, and the key is in a hollow cylinder；The diameter of the bottom is big
In the external diameter of the key.The external diameter that the diameter of bolt head is more than key plays fixation, difficult for drop-off.Key is in one
Hollow cylinder also saves certain cost.
The cross section of the bolt head upper end is no less than the polygon of four edges, the polygonal phase in one side number
A transition arc is provided between adjacent side, the radian of the transition arc is not less than 5 °, and no more than 30 °.It is easy to tighten bolt, more
Easy stress.
The screw rod outer wall is additionally provided with the second external screw thread, and second external screw thread is located at the lower section of annular projection；Described
Two external screw threads are opposite with the described first externally threaded thread rotary orientation.Prevent bolt falling.
Uniform on first external screw thread and the second externally threaded outer wall to be coated with a polymer coating, the polymer is applied
Layer is the polymer coating being made up of polyamide and polyimide resin.
Polyimide resin high temperature resistant, heat decomposition temperature is up to 600 DEG C, and with excellent mechanical performance, impact strength is up to
261KJ/m2.Polyamide has nontoxic, light weight, excellent mechanical strength, wearability and preferable corrosion resistance.
Metal micro particles are provided with the polymer coating.
The metal micro particles are dispersedly distributed in the polymer coating.
The effective carrying for improving polymer coating and anti-fatigue ability.
The screw rod includes double-decker, respectively internal layer, outer layer, and the outer layer is located at the periphery of the internal layer, described
The hardness of outer layer is less than the hardness of the internal layer.Increase the service life.
The composition of the outer layer by percentage to the quality, including 60%~80% thermoplastic elastomer, 8%~18.4% poly- second
Alkene, 0.25%~0.3% production of low-temperature foaming agent, 0.12%~0.2% vulcanization accelerator, 0.1%~0.3%4020 age resistor, 5%
~5.23% butadiene and 5%~6% chlorobutadiene.The shell body also includes 5%~7.9% mica powder.Add outer layer
Wearability and fire line, extend service life.
The inside screw is additionally provided with a hollow devices, and the peak of the hollow devices is located at the circular projection
Lower section, the minimum point of the hollow devices is located at the described second externally threaded top.The position of hollow devices is optimized, shadow is prevented
Ring the use of screw rod.
The screw rod outer wall is additionally provided with the position of first through hole and the second through hole, the first through hole and second through hole
The circular raised lower section is respectively positioned on, and positioned at the described second externally threaded top；Electromagnetism is provided with the hollow devices
A permanent magnet is provided with coil, the magnet coil；The magnet coil connects a rectification seamless circuit, the rectification seamless electricity
Road is also connected with a battery.
Teetertottering for permanent magnet has been driven during car engine, electric current is provided for magnet coil, magnet coil leads to
Cross first through hole and the second through hole connection rectification seamless circuit is easy to tiny electric current integration being conveniently stored in battery.It is excellent
Change the position of first through hole and the second through hole, prevent the use to screw rod from producing disturbing factor.
A spring is equipped with the top and bottom of the hollow devices.Cushioning effect is played to permanent magnet, moreover it is possible to allow permanent magnet
Continuation teetertotters offer electric current.
A temperature sensor is embedded with the cylinder bolt main body, the temperature sensor connects a microprocessor system
System, the microprocessor system connects the battery.
The microprocessor system is also connected with a wireless communication module.
The present invention monitors the temperature in automobile cylinder cover by temperature sensor in real time, can be direct by miniature processing system
Onboard direct observed temperature, eliminates and often opens the cumbersome of cylinder cap.
The battery is also connected with the electrical energy inputs of a pressure sensor；The pressure sensor is located at the first external screw thread
Place.
The present invention monitors the connection of helicitic texture, the explanation spiral shell once pressure changes by pressure sensor in real time
Releasing occurs in the connection of line structure being capable of on-call maintenance.
The sealing ring is located at the top of key, is close to the bolt head.Reduce gap.
The sealing ring is in an annulus, and the internal diameter of the sealing ring is not less than the external diameter of the key, the sealing ring
External diameter is less than the diameter of the bolt head；The difference of the external diameter of the internal diameter of the sealing ring and the key is not more than 5mm.Ensure
Sealing ring contacts close enough with key, nor affects on attractive in appearance.
The sealing ring is by nitrile rubber, hydrogenated nitrile-butadiene rubber, silicon rubber, fluorine unpigmented rubber, fluorosioloxane rubber or ternary second
The sealing ring that third rubber is made.
The sealing ring is the sealing ring being made up of hydrogenated nitrile-butadiene rubber.Hydrogenated nitrile-butadiene rubber have it is splendid it is anticorrosive,
Tear-proof and incompressible deformation characteristic, resistance to ozone, resistance to sunlight, resistance to weather preferably, and have more preferably wear resistence and heat resistance
Suitable for in-engine environment.
It is described circular raised positioned at the described first externally threaded lower section.Ensure that the connection of key and screw rod is close enough.
The cylinder bolt main body is the cylinder bolt main body being made up of carbon steel.The good high easy processing of hardness of the quality of carbon steel,
Cost is relatively low.
The cylinder bolt main body is the cylinder bolt main body being made up of titanium alloy.Titanium alloy light weight hardness high intensity is big
Can also be corrosion-resistant.
The permanent magnet is the permanent magnet being made up of aluminium nickel cobalt.The low high temperature resistant machinability of aluminium nickel cobalt cost is good.
The spring, the permanent magnet, the central axis of the magnet coil and the screw rod are all located at same straight line.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is part-structure schematic diagram of the invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction, which is specifically illustrating, is expanded on further the present invention.
Reference picture 1, Fig. 2, the cylinder cover enclosure Anti-off bolt with sealing ring 2, including cylinder bolt main body, cylinder bolt master
Body includes bolt head 1 and the key 3 extended downwardly from bolt head 1, and key 3 connects a screw rod 5；The top of key 3 is cased with close
Seal 2.Cylinder bolt of the present invention is carried out more by controlling the decrement of the sealing ring between engine cylinder cover and cylinder cover enclosure
It is effective spacing, the vibrations that engine is brought can be reduced, bolt is prevented and come off or loosen because of vibration, and bolt can be increased
Coupling mechanism force, reduce noise.And the present invention is simple in construction, reduces certain cost, is conducive to sustainable development.On screw rod 5
Provided with circular projection 4, the external diameter of circular projection 4 is more than the external diameter of key 3, also greater than the external diameter of screw rod 5.The present invention is also set
There is a circular projection, circular projection can prevent bolt to be difficult to drop in the transportation for transporting to main engine plants from supplier.
The external diameter of key 3 is more than the external diameter of screw rod 5.Material saving reduces cost.The inside of key 3 is provided with internal thread, and the outer wall of screw rod 5 is provided with
The first external screw thread matched with internal thread.The present invention connects key 3 and screw rod 5 by helicitic texture, makes connection even closer
It is difficult for drop-off.
The bottom of bolt head 1 is circular in one, and key 3 is in a hollow cylinder；The diameter of bottom is more than the outer of key 3
Footpath.The external diameter that the diameter of bolt head 1 is more than key 3 plays fixation, difficult for drop-off.Key 3 is in a hollow cylinder
Also save certain cost.The cross section of the upper end of bolt head 1 is no less than the polygon of four edges, polygon in one side number
Adjacent edge between be provided with a transition arc, the radian of transition arc is not less than 5 °, and no more than 30 °.It is easy to tighten bolt, more
Easy stress.The outer wall of screw rod 5 is additionally provided with the second external screw thread, and the second external screw thread is located at the lower section of annular projection；Second external screw thread with
First externally threaded thread rotary orientation is opposite.Prevent bolt falling.Uniformly coated on first external screw thread and the second externally threaded outer wall
There is a polymer coating, polymer coating is the polymer coating being made up of polyamide and polyimide resin.Polyamides is sub-
Polyimide resin high temperature resistant, heat decomposition temperature is up to 600 DEG C, and with excellent mechanical performance, impact strength is up to 261KJ/m2.Polyamide
Resin has nontoxic, light weight, excellent mechanical strength, wearability and preferable corrosion resistance.Metal is provided with polymer coating
Microparticle.Metal micro particles are dispersedly distributed in polymer coating.The effective carrying for improving polymer coating and antifatigue energy
Power.
Screw rod 5 includes double-decker, respectively internal layer, outer layer, and outer layer is located at the periphery of internal layer, and the hardness of outer layer is less than interior
The hardness of layer.Increase the service life.The composition of outer layer by percentage to the quality, including 60%~80% thermoplastic elastomer, 8%~
18.4% polyethylene, 0.25%~0.3% production of low-temperature foaming agent, 0.12%~0.2% vulcanization accelerator, 0.1%~0.3%4020
Age resistor, 5%~5.23% butadiene and 5%~6% chlorobutadiene.Shell body also includes 5%~7.9% mica powder.Increase
The wearability and fire line of outer layer, extends service life.A hollow devices are additionally provided with inside screw rod 5, hollow devices are most
High point is located at the lower section of circular projection 4, and the minimum point of hollow devices is located at the second externally threaded top.Optimize hollow devices
Position, prevent influence screw rod 5 use.The outer wall of screw rod 5 is additionally provided with first through hole and the second through hole, and first through hole and second are led to
The position in hole is respectively positioned on the lower section of circular projection 4 and positioned at the second externally threaded top；Magnet coil is provided with hollow devices
9, a permanent magnet 8 is provided with magnet coil 9；Magnet coil 9 connects a rectification seamless circuit 7, and rectification seamless circuit 7 is also connected with one
Battery 6.Teetertottering for permanent magnet 8 has been driven during car engine, has been that magnet coil 9 provides electric current, magnet coil 9
Rectification seamless circuit 7 is connected by first through hole and the second through hole to be easy to tiny electric current integration being conveniently stored in battery 6
In.The position of first through hole and the second through hole is optimized, prevents the use to screw rod 5 from producing disturbing factor.At the top of hollow devices
A spring 10 is equipped with bottom.Cushioning effect is played to permanent magnet 8, moreover it is possible to allow the continuation of permanent magnet 8 to teetertotter and electricity is provided
Stream.A temperature sensor is embedded with cylinder bolt main body, temperature sensor connects a microprocessor system, microprocessor
System connects battery.Microprocessor system is also connected with a wireless communication module.The present invention is supervised in real time by temperature sensor
Control the temperature in automobile cylinder cover, by miniature processing system can direct onboard direct observed temperature, eliminate frequent opening
Cylinder cap it is cumbersome.Battery is also connected with the electrical energy inputs of a pressure sensor；Pressure sensor is located at the first external screw thread.This
Invention monitors the connection of helicitic texture by pressure sensor in real time, the explanation helicitic texture connection once pressure changes
Appearance is released being capable of on-call maintenance.
Sealing ring 2 is located at the top of key 3, is close to bolt head 1.Reduce gap.Sealing ring 2 is in an annulus, sealing ring 2
Internal diameter be not less than the external diameter of key 3, the external diameter of sealing ring 2 is less than the diameter of bolt head 1；The internal diameter of sealing ring 2 and key 3
The difference of external diameter be not more than 5mm.Ensure that sealing ring 2 contacts close enough with key 3, nor affect on attractive in appearance.Sealing ring 2 is by fourth
The sealing ring 2 that nitrile rubber, hydrogenated nitrile-butadiene rubber, silicon rubber, fluorine unpigmented rubber, fluorosioloxane rubber or ethylene propylene diene rubber are made.Sealing
Circle 2 is the sealing ring 2 being made up of hydrogenated nitrile-butadiene rubber.Hydrogenated nitrile-butadiene rubber has splendid anticorrosive, tear-proof and incompressible
Deformation characteristic, resistance to ozone, resistance to sunlight, resistance to weather preferably, and have more preferably wear resistence and heat resistance to be applied in engine
Environment.Circular projection 4 is located at the first externally threaded lower section.Ensure that the connection of key 3 and screw rod 5 is close enough.Cylinder cap spiral shell
Bolt main body is the cylinder bolt main body being made up of carbon steel.The good high easy processing of hardness of the quality of carbon steel, cost is relatively low.Cylinder bolt master
Body is the cylinder bolt main body being made up of titanium alloy.Titanium alloy light weight hardness high intensity greatly can also be corrosion-resistant.Permanent magnet 8 be by
The permanent magnet 8 that aluminium nickel cobalt is made.The low high temperature resistant machinability of aluminium nickel cobalt cost is good.Spring 10, permanent magnet 8, magnet coil 9 and spiral shell
The central axis of bar 5 is all located at same straight line.
A kind of cylinder cover enclosure Anti-off bolt of integrated seal circle, may be designed in, including cylinder bolt main body, cylinder cap spiral shell
Bolt main body includes bolt head and the key extended downwardly from bolt head；Key is also connected with a metalwork, and metalwork is provided with
Circular raised, circular raised external diameter is more than the external diameter of key, also greater than the external diameter of metalwork；The external diameter of key is more than gold
Belong to the external diameter of part；Sealing ring is cased with above key.Cylinder bolt main body of the present invention is by that provided with sealing ring, can reduce engine band
The vibrations come, prevent bolt and come off or loosen because of vibration, and can increase the coupling mechanism force of bolt.The present invention is additionally provided with a circle
Annular projection, circular projection can strengthen protecting the anti-dropout rate of bolt.And the present invention it is simple in construction, reduce it is certain into
This, is conducive to sustainable development.Key, which is externally provided with, the internal thread matched with the first external screw thread on the first external screw thread, metalwork.
Realize being detachably connected for key and metalwork.The second external screw thread is additionally provided with outside key, the second external screw thread is located at the first external screw thread
Lower section.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. the cylinder cover enclosure Anti-off bolt with sealing ring, including cylinder bolt main body, it is characterised in that the cylinder bolt master
Body includes bolt head and the key extended downwardly from the bolt head, and the key connects a screw rod；
Sealing ring is cased with the key；
The screw rod is provided with circular projection, and the circular raised external diameter is more than the external diameter of the key, also greater than institute
State the external diameter of screw rod；
Internal thread is provided with inside the key, the screw rod outer wall is provided with the first external screw thread matched with the internal thread；Institute
State circular raised positioned at the described first externally threaded lower section；
The screw rod outer wall is additionally provided with the second external screw thread, and second external screw thread is located at the lower section of annular projection；Outside described second
Screw thread is opposite with the described first externally threaded thread rotary orientation；
A polymer coating uniformly is coated with first external screw thread and the second externally threaded outer wall, the polymer coating is
The polymer coating being made up of polyamide and polyimide resin；
Metal micro particles are provided with the polymer coating, the metal micro particles are dispersedly distributed in the polymer coating.
2. the cylinder cover enclosure Anti-off bolt according to claim 1 with sealing ring, it is characterised in that：Outside the key
Footpath is more than the external diameter of the screw rod.
3. the cylinder cover enclosure Anti-off bolt according to claim 1 with sealing ring, it is characterised in that：The bolt head
Bottom is circular in one, and the key is in a hollow cylinder；The diameter of the bottom is more than the external diameter of the key.
4. the cylinder cover enclosure Anti-off bolt according to claim 3 with sealing ring, it is characterised in that：The bolt head
The cross section of upper end, which is no less than in one side number between the polygon of four edges, the polygonal adjacent edge, is provided with a transition circle
Arc, the radian of the transition arc is not less than 5 °, and no more than 30 °.
5. the cylinder cover enclosure Anti-off bolt according to claim 1 with sealing ring, it is characterised in that：The inside screw
A hollow devices are additionally provided with, the peak of the hollow devices is located at the circular raised lower section, the hollow devices
Minimum point is located at the described second externally threaded top；The screw rod outer wall is additionally provided with first through hole and the second through hole, described first
The position of through hole and second through hole is respectively positioned on the circular raised lower section, and positioned at described second it is externally threaded on
Side；It is provided with the hollow devices in magnet coil, the magnet coil and is provided with a permanent magnet；The magnet coil connection one is whole
Seamless circuit is flowed, the rectification seamless circuit is also connected with a battery.
6. the cylinder cover enclosure Anti-off bolt according to claim 5 with sealing ring, it is characterised in that：The cylinder bolt
A temperature sensor is embedded with main body, the temperature sensor connects a microprocessor system, the microprocessor system
The system connection battery.
7. the cylinder cover enclosure Anti-off bolt according to claim 1 with sealing ring, it is characterised in that：The sealing ring is in
One annulus, the internal diameter of the sealing ring is not less than the external diameter of the key, and the external diameter of the sealing ring is less than the bolt head
Diameter；The difference of the external diameter of the internal diameter of the sealing ring and the key is not more than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404909.8A CN105221540B (en) | 2015-07-10 | 2015-07-10 | Cylinder cover enclosure Anti-off bolt with sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404909.8A CN105221540B (en) | 2015-07-10 | 2015-07-10 | Cylinder cover enclosure Anti-off bolt with sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221540A CN105221540A (en) | 2016-01-06 |
| CN105221540B true CN105221540B (en) | 2017-11-03 |
Family
ID=54990712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404909.8A Expired - Fee Related CN105221540B (en) | 2015-07-10 | 2015-07-10 | Cylinder cover enclosure Anti-off bolt with sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221540B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134549A (en) * | 2020-01-07 | 2020-05-12 | 广东美的厨房电器制造有限公司 | Adjusting device and cooking utensil |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3040827B2 (en) * | 1990-12-14 | 2000-05-15 | 日本パワーファスニング株式会社 | Fastening device |
| JP2001311417A (en) * | 2000-04-28 | 2001-11-09 | Dic Plastics Inc | Gap adjustable bolt and gap adjusting method by gap adjustable bolt |
| CN2893281Y (en) * | 2005-12-15 | 2007-04-25 | 董金 | Double-thread self-locking screwbolt and nut |
| KR100882567B1 (en) * | 2008-07-23 | 2009-02-12 | 최동호 | Self locking type bolt system |
| CN201739021U (en) * | 2010-03-04 | 2011-02-09 | 浙江吉利汽车研究院有限公司 | Connecting structure for fixing cylinder cover shield |
| CN103267055A (en) * | 2012-12-14 | 2013-08-28 | 李红霞 | Fastening bolt |
| CN203098532U (en) * | 2013-01-25 | 2013-07-31 | 孙晓东 | Left and right screwing thread bolt |
| TWM486702U (en) * | 2014-04-10 | 2014-09-21 | Kabo Tool Co | Screw sensing device |
| CN203796430U (en) * | 2014-04-24 | 2014-08-27 | 重庆润通动力有限公司 | Cylinder lid cover connecting structure used for engine |
-
2015
- 2015-07-10 CN CN201510404909.8A patent/CN105221540B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221540A (en) | 2016-01-06 |
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