CN109167202A - A kind of OBD connector protective cover application method - Google Patents
A kind of OBD connector protective cover application method Download PDFInfo
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- CN109167202A CN109167202A CN201811088427.6A CN201811088427A CN109167202A CN 109167202 A CN109167202 A CN 109167202A CN 201811088427 A CN201811088427 A CN 201811088427A CN 109167202 A CN109167202 A CN 109167202A
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- Prior art keywords
- protective cover
- obd connector
- obd
- fixedly connected
- connection terminal
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- 230000001681 protective effect Effects 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 230000032683 aging Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004697 Polyetherimide Substances 0.000 description 20
- 229920001601 polyetherimide Polymers 0.000 description 20
- 229920000106 Liquid crystal polymer Polymers 0.000 description 19
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 19
- 239000003365 glass fiber Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 229920000491 Polyphenylsulfone Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
本发明公开了一种OBD连接器保护罩应用方法，包括以下步骤：S1：断开OBD连接器控制断路器，将OBD连接器的连接端子部插入罩壳内，连接端子部与锁定组件卡接锁紧，第一伸缩板和第二伸缩板由于弹性作用紧紧的与连接端子部贴合，然后将密封框套在OBD连接器的外侧，完成保护罩的密封；S2：OBD连接器通电；S3：打开防护罩；S4：防护罩被非法开锁时，锁定组件仍然为锁紧状态，此时传感器工作，报警器发出持续不断的蜂鸣警报声。本发明提高了OBD连接器保护罩的密封、防尘和防水性能，避免了保护罩老化过快，延长了使用寿命，保证了OBD连接器可持续性正常进行工作，提高了OBD连接器保护罩的抗冲击性。
The invention discloses an application method of an OBD connector protective cover, which includes the following steps: S1: disconnecting the OBD connector to control the circuit breaker, inserting the connecting terminal part of the OBD connector into the cover, and the connecting terminal part is clamped with the locking component After locking, the first telescopic plate and the second telescopic plate are tightly attached to the connection terminal due to the elastic effect, and then the sealing frame is placed on the outside of the OBD connector to complete the sealing of the protective cover; S2: The OBD connector is powered on; S3: Open the protective cover; S4: When the protective cover is illegally unlocked, the locking component is still in the locked state, at this time the sensor works, and the alarm emits a continuous beeping sound. The invention improves the sealing, dustproof and waterproof performance of the protective cover of the OBD connector, prevents the protective cover from aging too quickly, prolongs the service life, ensures the sustainable and normal operation of the OBD connector, and improves the protective cover of the OBD connector. impact resistance.
Description
Technical field
The invention belongs to vehicle OBD connector protection technology fields, more particularly to a kind of OBD connector protective cover application
Method.
Background technique
With the development of industrialization, we have come into automotive society.The numerous vehicle of radix, in daily traveling not
Occur various failures avoidablely.In order to monitor the operation conditions of engine and the working condition of exhaust gas aftertreatment system at any time,
Once it can issue and warn at once it was found that being possible to cause to discharge exceeded situation, and OBD (On-boarddiagnostics, it is vehicle-mounted
Diagnostic system) it comes into being.
In onboard diagnostic system work, for the ease of connection, in the prior art frequently with OBD connector.In order to protect
OBD connector, in the prior art frequently with OBD connector protective cover.
For example, disclosing OBD connector protective cover in the patent of Patent No. CN104670122A, which is protected
Shield forms obstacle in main body cover especially as by being formed as one the connecting end sub-portion of OBD connector with main body cover
And the structure of the connecting end sub-portion of OBD connector cannot be accessed to from outside, using the rear surface in main body cover, insertion is set
Mouthful, it is inserted into main body cover from insert port by the connecting end sub-portion of OBD connector, holds the connecting pin being inserted into the claw clip of clip
The structure of sub-portion makes anyone that can simply prevent to use the malice of the OBD connector.
But the OBD connector protective cover seals, dust and water protection performance is poor, security performance is lower, is easy to happen touching
Electrification, it is therefore proposed that a kind of OBD connector protective cover application method is necessary to solve the above problems.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of OBD connector protective cover application method, solves existing
OBD connector protective cover sealing, dust and water protection performance it is poor, security performance is lower, is easy to happen the technology of electric shock accidents
Problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of OBD connector protective cover application method, which is characterized in that method includes the following steps:
S1: it disconnects OBD connector and controls breaker: the connecting end sub-portion of OBD connector being inserted into housing, connection terminal
Portion and locked component clamping are locked；
S2:OBD connector is powered: locked component locks connecting end sub-portion, and protective cover cannot be separated with OBD connector；
S3: shield is correctly opened: key is inserted into lock core, rotates key, and the elastic bumps on lock pin are shunk, locking
The locking state of component is released from, and protective cover is in an open state at this time；
S4: shield is by illegal unlock: locked component remains as locking state, at this time working sensor, and alarm issues
Continual buzzing alarming sound.
Optionally, in step sl further include: the first expansion plate and the second expansion plate due to elastic reaction tightly with even
The fitting of connecting terminal portion, then sealing frame is covered in the outside of OBD connector, and screw on nut, complete the sealing of protective cover.
Optionally, in step sl, indicator light is in OFF state at this time.
Optionally, in step s 2, indicator light is in light state at this time.
Optionally, the indicator light in step S1 and S2 is different indicator light.
It optionally, in step s3 further include that alarm is in de- mouth state, connecting end sub-portion is separated with locked component.
In order to which the above method is better achieved, the invention also discloses a kind of OBD connector protective cover, including housing, institutes
It states and is fixedly installed with jam plate among the bottom of housing, the bottom left of the housing is provided with indicator light, the bottom of the housing
Right side is equipped with alarm；The inner bottom wall of housing is equipped with position-limited rack, and two side bottom of outer surface of the housing is fixedly mounted
There is bolt, the inner sidewall of the position-limited rack is fixedly connected with plug-in unit, and the inside of the position-limited rack is equipped with locked component；Locking group
The two sides of part are fixedly connected to strip, and the middle part fixation of the jam plate is plugged with lock core, lock is offered in the middle part of the jam plate
Hole.
Mounting hole is offered in the middle part of the bottom wall of housing, is provided with keyhole, the lock in the middle part of the bottom front of the lock core
Lock pin is fixedly connected at the top of core, the two sides of the lock pin are movably installed with elastic bumps, the top center of the lock pin
Sensor is installed；OBD connector is installed in the middle part of the opening of housing, the bottom of the OBD connector is fixedly installed with company
Connecting terminal portion, the bottom end of the connecting end sub-portion and the top of locked component are clamped.
Optionally, the first groove is offered at the top of the left and right inner wall of housing, in the top face opening of the housing
Lower inner wall offers the second groove, and the internal slide of first groove is equipped with the first expansion plate, second groove
Internal slide is equipped with the second expansion plate, and first expansion plate and the second expansion plate structure are identical；First expansion plate is close to
The side of one groove is fixedly connected to limit surrounding edge up and down, and the side of first expansion plate offers limit hole, and described the
The side wall of one groove is fixedly installed with the limited post being arranged symmetrically, and the outer surface of the limited post is socketed with spring, the spring
One end far from limited post is plugged on the inside of limit hole.
Optionally, the top two sides of housing are fixedly connected to stud, and sealing frame is equipped with above the housing, described
The top screw thread of stud is equipped with nut.
Optionally, the indicator light and alarm are fixedly connected with the bottom of housing；The section of the position-limited rack is U-shaped
Shape.
Optionally, the position-limited rack is fixedly connected by bolt with housing；The U-shaped shape in the section of the plug-in unit, it is described to insert
Part is set as two.
Optionally, the strip is equipped with plug-in unit, and the strip is fitted and connected with plug-in unit.
Optionally, the lock core is fixedly connected with locked component；The mounting hole is correspondingly arranged with lockhole, the mounting hole
It is equipped with lock core with lockhole.
Optionally, the lock pin is located at the inside of locked component；It is fixedly connected at the top of the sensor and lock pin.
Optionally, second groove is disposed adjacent with the first groove；The inner wall of the limit surrounding edge and the first groove is sliding
Dynamic connection；The limit hole is set as two, and the limit hole is correspondingly arranged with limited post.
Optionally, one end of the spring is fixedly connected with the inner wall of the first groove, the other end of the spring and limit
Hole is fixedly connected；The stud runs through sealing frame.
Optionally, the sealing frame is made of two and half frames, and two middle side parts of the sealing frame offer location hole, institute
It states sealing frame to be equipped with OBD connector, the inner sidewall of the sealing frame is fixedly connected with adhesive tape；The location hole and stud
It is equipped with；The nut is fitted and connected with sealing frame.
Optionally, the material of the sealing frame is polyether-ether-ketone (PEEK), polyetherimide (PEI), polyphenylene sulfide
(PPS), polyphenylsulfone (PPSU) or liquid crystal polymer (LCP) etc., not only enable sealing frame better seal, and can also
It can be fire-retardant in OBD connector drop-in short circuit.
Optionally, the sealing frame is made by the way of polyetherimide (PEI) and liquid crystal polymer (LCP) mixing,
To improve resistance to mild sealing performance.Wherein in mixture, the quality accounting of polyetherimide (PEI) is δ 1, liquid crystal polymer
(LCP) quality accounting is δ 2, and δ 1+ δ 2≤100%.
It optionally, further include glass fibre in the mixture in order to improve the intensity of mixture, quality accounting is δ
3, and δ 1+ δ 2+ δ 3=100%.
Optionally, in order to balance the intensity and hardness of mixture, sealing sealing frame while with some strength
With certain deflection when stress, preferably to seal, the quality accounting δ 3 of the glass fibre is 3-10%；Sealing frame
Thickness d is 1.5-4.8mm.
Optionally, in order to further increase the intensity of sealing frame, and its leakproofness is balanced, the thickness d of the sealing frame, glass
The quality accounting δ 3 of glass fiber meets d δ 3 and is less than or equal to 0.45 more than or equal to 0.05.When d δ 3 less than 0.05 or is greater than
When 0.45, the intensity of sealing frame is not enough or leakproofness is not able to satisfy requirement, cannot achieve the effect that water proof and dust proof.
Optionally, the quality accounting δ 1 of the polyetherimide (PEI), liquid crystal polymer (LCP) quality accounting δ 2, glass
Meet between glass fiber quality accounting δ 3 and sealing frame thickness d:
D δ 3=C (δ 1+ δ 2)；
Wherein, C is adjustment factor, value range 0.12-0.45.
(3) beneficial effect
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) OBD connector protective cover application method of the invention passes through the first expansion plate of setting, the second expansion plate and close
Frame is sealed, sealing, the dust and water protection performance of OBD connector protective cover are improved, avoids that protective cover aging is too fast, and extending makes
With the service life, it ensure that OBD connector sustainability is normally carried out work, improve the impact resistance of OBD connector protective cover.
(2) OBD connector protective cover application method of the invention improves OBD company by setting indicator light and alarm
The security performance of device protective cover is connect, during installation, the energized state of OBD connector is differentiated convenient for staff, prevents to touch
Electrification, protects the personal safety of user, while effectively preventing OBD connector protective cover by illegal unlock, in turn
OBD connector is avoided maliciously to be used.
(3) OBD connector protective cover application method of the invention, OBD connector protective cover of the invention are close by being arranged
The material for sealing frame, not only enables sealing frame better seal, and can also can hinder in OBD connector drop-in short circuit
Combustion.
(4) OBD connector protective cover application method of the invention passes through selection polyetherimide (PEI) and polymerizable mesogenic
Object (LCP) mixture, to improve its resistance to mild sealing performance；And glass fibre is added wherein, to improve its intensity.
(5) OBD connector protective cover application method of the invention, by the quality accounting δ that polyetherimide (PEI) is arranged
1, the relationship between the quality accounting δ 2 of liquid crystal polymer (LCP), glass fiber quality accounting δ 3, and with sealing frame thickness d
Relationship to balance the intensity and hardness of mixture there is sealing frame while with some strength when sealing stress
Certain deflection improves safety, prevents from getting an electric shock preferably to seal.
Detailed description of the invention
Fig. 1 is OBD connector protective cover structure sectional view of the invention.
Fig. 2 is OBD connector protective cover locking plate structure cross-sectional view of the invention.
Fig. 3 is OBD connector protective cover lock core structure bottom view of the invention.
Fig. 4 is OBD connector protective cover casing structure top cross-sectional view of the invention.
Fig. 5 is OBD connector protective cover the first sealing plate structure side view of the invention.
Fig. 6 is OBD connector protective cover structural schematic diagram of the invention.
Fig. 7 is OBD connector protective cover sealing frame structure top view of the invention.
Fig. 8 is the means of defence flow chart of OBD connector of the invention.
In figure: housing 1, jam plate 2, indicator light 3, alarm 4, position-limited rack 5, bolt 6, plug-in unit 7, locked component 8, strip 9,
Lock core 10, lockhole 11, mounting hole 12, keyhole 13, lock pin 14, elastic bumps 15, sensor 16, OBD connector 17, connecting pin
Sub-portion 18, the first groove 19, the second groove 20, the first expansion plate 21, the second expansion plate 22, limit surrounding edge 23, limit hole 24, limit
Position column 25, spring 26, stud 27, sealing frame 28, location hole 29, adhesive tape 30, nut 31.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.
Embodiment 1
As shown in figure 8, a kind of OBD connector protective cover application method, the means of defence the following steps are included:
S1: it disconnects OBD connector and controls breaker: the connecting end sub-portion of OBD connector being inserted into housing, connection terminal
Portion and locked component clamping are locked；First expansion plate and the second expansion plate being pasted with connecting end sub-portion tightly due to elastic reaction
It closes, then sealing frame is covered in the outside of OBD connector, and screw on nut, complete the sealing of protective cover；Indicator light is in and puts out at this time
It goes out state；
S2:OBD connector is powered: locked component locks connecting end sub-portion, and protective cover cannot be separated with OBD connector；This
When indicator light in lighting state；
S3: shield is correctly opened: key is inserted into lock core, rotates key, and the elastic bumps on lock pin are shunk, locking
The locking state of component is released from, and protective cover is in an open state at this time；
S4: shield is by illegal unlock: locked component remains as locking state, at this time working sensor, and alarm issues
Continual buzzing alarming sound.
As shown in figs. 1-7, in order to which the above method is better achieved, the invention also discloses a kind of OBD connector protective cover,
Including housing 1, jam plate 2 is fixedly installed among the bottom of housing 1, the bottom left of housing 1 is provided with indicator light 3, housing 1
Bottom right is equipped with alarm 4；The inner bottom wall of housing 1 is equipped with position-limited rack 5, and two side bottom of outer surface of housing 1 is fixed
Bolt 6 is installed, the inner sidewall of position-limited rack 5 is fixedly connected with plug-in unit 7, and the inside of position-limited rack 5 is equipped with locked component 8；Locking
The two sides of component 8 are fixedly connected to strip 9, and the middle part fixation of jam plate 2 is plugged with lock core 10, and the middle part of jam plate 2 offers lock
Hole 11；Mounting hole 12 is offered in the middle part of the bottom wall of housing 1, is provided with keyhole 13, lock core 10 in the middle part of the bottom front of lock core 10
Top be fixedly connected with lock pin 14, the two sides of lock pin 14 are movably installed with elastic bumps 15, the top center peace of lock pin 14
Equipped with sensor 16；OBD connector 17 is installed in the middle part of the opening of housing 1, the bottom of OBD connector 17 is fixedly installed with company
Connecting terminal portion 18, the bottom end of connecting end sub-portion 18 and the top of locked component 8 are clamped.
The first groove 19 is offered at the top of the left and right inner wall of housing 1, inner wall is equal up and down for the top face opening of housing 1
The second groove 20 is offered, the internal slide of the first groove 19 is equipped with the first expansion plate 21, the internal slide of the second groove 20
Second expansion plate 22 is installed, by the first expansion plate 21 of setting, the second expansion plate 22 and sealing frame 28, improves OBD connection
The sealing of device protective cover, dust and water protection performance, it is too fast to avoid protective cover aging, extends service life, ensure that OBD connects
It connects device sustainability and is normally carried out work, improve the impact resistance of OBD connector protective cover, the first expansion plate 21 and second stretch
22 structure of contracting plate is identical；First expansion plate 21 is fixedly connected to limit surrounding edge 23 close to the side of the first groove 19 up and down, the
The side of one expansion plate 21 offers limit hole 24, and the side wall of the first groove 19 is fixedly installed with the limited post 25 being arranged symmetrically,
The outer surface of limited post 25 is socketed with spring 26, and spring 26 is plugged on the inside of limit hole 24 far from one end of limited post 25.
The top two sides of housing 1 are fixedly connected to stud 27, and the top of housing 1 is equipped with sealing frame 28, stud 27
Top screw thread is equipped with nut 31.
Indicator light 3 and alarm 4 are fixedly connected with the bottom of housing 1, by setting indicator light 3 and alarm 4, are improved
The security performance of OBD connector protective cover is differentiated the energized state of OBD connector convenient for staff, is prevented during installation
Electric shock accidents occurs, protects the personal safety of user, while effectively preventing OBD connector protective cover and illegally being opened
Lock, and then avoid OBD connector and maliciously used；
The U-shaped shape in the section of position-limited rack 5.Position-limited rack 5 is fixedly connected by bolt 6 with housing 1；
The U-shaped shape in the section of plug-in unit 7, plug-in unit 7 are set as two.Strip 9 is equipped with plug-in unit 7, strip 9 and plug-in unit 7
It is fitted and connected.
Lock core 10 is fixedly connected with locked component 8；Mounting hole 12 is correspondingly arranged with lockhole 11, and mounting hole 12 and lockhole 11 are equal
It is equipped with lock core 10.
Lock pin 14 is located at the inside of locked component 8；Sensor 16 is fixedly connected with the top of lock pin 14.
As a kind of optional technical solution of the invention: the second groove 20 is disposed adjacent with the first groove 19；
Limit surrounding edge 23 and the inner wall of the first groove 19 are slidably connected；Limit hole 24 is set as two, limit hole 24 and limit
Position column 25 is correspondingly arranged.
One end of spring 26 is fixedly connected with the inner wall of the first groove 19, and the other end and limit hole 24 of spring 26 are fixed to be connected
It connects；Stud 27 runs through sealing frame 28.
Sealing frame 28 is made of two and half frames, and two middle side parts of sealing frame 28 offer location hole 29, sealing frame 28 with
OBD connector 17 is equipped with, and the inner sidewall of sealing frame 28 is fixedly connected with adhesive tape 30；Location hole 29 is set with the cooperation of stud 27
It sets；Nut 31 is fitted and connected with sealing frame 28.
Working principle of the present invention: in the case where disconnecting OBD connector control breaker, indicator light 3 is in extinguishing shape at this time
The connecting end sub-portion 18 of OBD connector 17 is inserted into housing 1 by state, and connecting end sub-portion 18 and the clamping of locked component 8 are locked, the
One expansion plate 21 and the second expansion plate 22 being bonded with connecting end sub-portion 18 tightly due to elastic reaction, then by 28 sets of sealing frame
In the outside of OBD connector 17, and nut 31 is screwed on, complete the sealing of protective cover, stretched by the first expansion plate 21 of setting, second
Contracting plate 22 and sealing frame 28 improve sealing, the dust and water protection performance of OBD connector protective cover, avoid protective cover aging
It is too fast, service life is extended, ensure that OBD connector sustainability is normally carried out work, improve OBD connector protective cover
Impact resistance, in the case where OBD connector is powered, for indicator light 3 in lighting state, locked component 8 locks connecting end sub-portion
18, protective cover cannot be separated with OBD connector 17, and when needing to open shield, key is inserted into lock core 10, rotate key, lock
Elastic bumps 15 on pin 14 are shunk, and the locking state of locked component 8 is released from, and alarm 4 is in de- mouth state, connecting end sub-portion
18 separate with locked component 8, and protective cover is in an open state at this time, and when shield is by illegal unlock, locked component 8 remains as lock
Tight state, sensor 16 works at this time, and alarm 4 issues continual buzzing alarming sound, passes through setting indicator light 3 and alarm
Device 4 improves the security performance of OBD connector protective cover, during installation, the energization of OBD connector is differentiated convenient for staff
State prevents electric shock accidents, protects the personal safety of user, while effectively preventing OBD connector protective cover
By illegal unlock, and then avoids OBD connector and maliciously used.
Embodiment 2
A kind of OBD connector protective cover application method, comprising the following steps:
S1: disconnect OBD connector and control breaker: indicator light 3 is in OFF state at this time, by the connection of OBD connector 17
Portion of terminal 18 is inserted into housing 1, and connecting end sub-portion 18 and the clamping of locked component 8 are locked, the first expansion plate 21 and the second expansion plate
22 due to elastic reaction being bonded with connecting end sub-portion 18 tightly, then by 28 sets of the sealing frame outsides in OBD connector 17, and
Nut 31 is screwed on, the sealing of protective cover is completed；
S2:OBD connector is powered: indicator light 3 is in state is lighted, and locked component 8 locks connecting end sub-portion 18, and protective cover is not
It can be separated with OBD connector 17；
S3: shield is correctly opened: key is inserted into lock core 10, rotates key, and the elastic bumps 15 on lock pin 14 are received
Contracting, the locking state of locked component 8 are released from, and alarm 4 is in de- mouth state, and connecting end sub-portion 18 is separated with locked component 8, this
When protective cover be in an open state；
S4: shield is by illegal unlock: locked component 8 remains as locking state, and sensor 16 works at this time, alarm 4
Issue continual buzzing alarming sound.
Indicator light in step S1 and S2 is different indicator light.
As shown in figs. 1-7, in order to which above-mentioned means of defence is better achieved, the invention also discloses a kind of OBD connector guarantors
Shield, including housing 1 are fixedly installed with jam plate 2 among the bottom of housing 1, and the bottom left of housing 1 is provided with indicator light 3, cover
The bottom right of shell 1 is equipped with alarm 4；The inner bottom wall of housing 1 is equipped with position-limited rack 5, and two side bottom of outer surface of housing 1 is equal
It is fixedly installed with bolt 6, the inner sidewall of position-limited rack 5 is fixedly connected with plug-in unit 7, and the inside of position-limited rack 5 is equipped with locked component 8；
The two sides of locked component 8 are fixedly connected to strip 9, and the middle part fixation of jam plate 2 is plugged with lock core 10.
The middle part of jam plate 2 offers lockhole 11；Mounting hole 12 is offered in the middle part of the bottom wall of housing 1, the bottom of lock core 10 is just
Middle face is provided with keyhole 13, and the top of lock core 10 is fixedly connected with lock pin 14, and the two sides of lock pin 14 are movably installed with bullet
Property protrusion 15, the top center of lock pin 14 is equipped with sensor 16；OBD connector 17 is installed in the middle part of the opening of housing 1,
The bottom of OBD connector 17 is fixedly installed with connecting end sub-portion 18, the bottom end of connecting end sub-portion 18 and the top card of locked component 8
It connects.
The first groove 19 is offered at the top of the left and right inner wall of housing 1, inner wall is equal up and down for the top face opening of housing 1
The second groove 20 is offered, the internal slide of the first groove 19 is equipped with the first expansion plate 21, the internal slide of the second groove 20
Second expansion plate 22 is installed, by the first expansion plate 21 of setting, the second expansion plate 22 and sealing frame 28, improves OBD connection
The sealing of device protective cover, dust and water protection performance, it is too fast to avoid protective cover aging, extends service life, ensure that OBD connects
It connects device sustainability and is normally carried out work, improve the impact resistance of OBD connector protective cover, the first expansion plate 21 and second stretch
22 structure of contracting plate is identical；First expansion plate 21 is fixedly connected to limit surrounding edge 23 close to the side of the first groove 19 up and down, the
The side of one expansion plate 21 offers limit hole 24, and the side wall of the first groove 19 is fixedly installed with the limited post 25 being arranged symmetrically,
The outer surface of limited post 25 is socketed with spring 26, and spring 26 is plugged on the inside of limit hole 24 far from one end of limited post 25.
The top two sides of housing 1 are fixedly connected to stud 27, and the top of housing 1 is equipped with sealing frame 28, stud 27
Top screw thread is equipped with nut 31.
Indicator light 3 and alarm 4 are fixedly connected with the bottom of housing 1, by setting indicator light 3 and alarm 4, are improved
The security performance of OBD connector protective cover is differentiated the energized state of OBD connector convenient for staff, is prevented during installation
Electric shock accidents occurs, protects the personal safety of user, while effectively preventing OBD connector protective cover and illegally being opened
Lock, and then avoid OBD connector and maliciously used；
The U-shaped shape in the section of position-limited rack 5.Position-limited rack 5 is fixedly connected by bolt 6 with housing 1；
The U-shaped shape in the section of plug-in unit 7, plug-in unit 7 are set as two.Strip 9 is equipped with plug-in unit 7, strip 9 and plug-in unit 7
It is fitted and connected.
Lock core 10 is fixedly connected with locked component 8；Mounting hole 12 is correspondingly arranged with lockhole 11, and mounting hole 12 and lockhole 11 are equal
It is equipped with lock core 10.
Lock pin 14 is located at the inside of locked component 8；Sensor 16 is fixedly connected with the top of lock pin 14.
Second groove 20 is disposed adjacent with the first groove 19；Limit surrounding edge 23 and the inner wall of the first groove 19 are slidably connected；
Limit hole 24 is set as two, and limit hole 24 is correspondingly arranged with limited post 25.
One end of spring 26 is fixedly connected with the inner wall of the first groove 19, and the other end and limit hole 24 of spring 26 are fixed to be connected
It connects；Stud 27 runs through sealing frame 28.
Sealing frame 28 is made of two and half frames, and two middle side parts of sealing frame 28 offer location hole 29, sealing frame 28 with
OBD connector 17 is equipped with, and the inner sidewall of sealing frame 28 is fixedly connected with adhesive tape 30；Location hole 29 is set with the cooperation of stud 27
It sets；Nut 31 is fitted and connected with sealing frame 28.
The material of the sealing frame is polyether-ether-ketone (PEEK), polyetherimide (PEI), polyphenylene sulfide (PPS), gathers sub- benzene
Base sulfone (PPSU) or liquid crystal polymer (LCP) etc. not only enable sealing frame better seal, and can also be in OBD connector
It can be fire-retardant when drop-in short circuit.
The sealing frame is made by the way of polyetherimide (PEI) and liquid crystal polymer (LCP) mixing, resistance to improve
Mild sealing performance.Wherein in mixture, the quality accounting of polyetherimide (PEI) is δ 1, the matter of liquid crystal polymer (LCP)
Amount accounting is δ 2, and δ 1+ δ 2≤100%.
It further include glass fibre in the mixture to improve the intensity of mixture, quality accounting is δ 3, and δ 1
+ δ 2+ δ 3=100%.
In order to balance the intensity and hardness of mixture, make sealing frame tool when sealing stress while with some strength
There is certain deflection, preferably to seal, the quality accounting δ 3 of the glass fibre is 3-10%；The thickness d of sealing frame is
1.5-4.8mm。
In order to further increase the intensity of sealing frame, and its leakproofness is balanced, the thickness d of the sealing frame, glass fibre
Quality accounting δ 3 meet d δ 3 more than or equal to 0.05 be less than or equal to 0.45.When d δ 3 is less than 0.05 or is greater than 0.45,
The intensity of sealing frame is not enough or leakproofness is not able to satisfy requirement, cannot achieve the effect that water proof and dust proof.
Quality accounting δ 2, the glass fibre of the quality accounting δ 1 of the polyetherimide (PEI), liquid crystal polymer (LCP)
Meet between quality accounting δ 3 and sealing frame thickness d:
D δ 3=C (δ 1+ δ 2)；
Wherein, C is adjustment factor, value range 0.12-0.45.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact "up" or "down".
Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or tiltedly
Top, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of first feature horizontal height less than
Two features.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088427.6A CN109167202A (en) | 2018-09-18 | 2018-09-18 | A kind of OBD connector protective cover application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088427.6A CN109167202A (en) | 2018-09-18 | 2018-09-18 | A kind of OBD connector protective cover application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167202A true CN109167202A (en) | 2019-01-08 |
Family
ID=64879786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088427.6A Pending CN109167202A (en) | 2018-09-18 | 2018-09-18 | A kind of OBD connector protective cover application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109167202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780403A (en) * | 2022-11-04 | 2023-03-14 | 贵州电网有限责任公司 | Secondary operation terminal safety measure fixing sleeve |
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| CN104648279A (en) * | 2013-11-25 | 2015-05-27 | 株式会社芦川 | Obd connector protective cover |
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| CN115780403A (en) * | 2022-11-04 | 2023-03-14 | 贵州电网有限责任公司 | Secondary operation terminal safety measure fixing sleeve |
| CN115780403B (en) * | 2022-11-04 | 2024-06-14 | 贵州电网有限责任公司 | Safety measure fixing sleeve for secondary operation terminal |
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Application publication date: 20190108 |