CN108199164A - There is the high-tension connector of safety lock - Google Patents
There is the high-tension connector of safety lock Download PDFInfo
- Publication number
- CN108199164A CN108199164A CN201810154671.1A CN201810154671A CN108199164A CN 108199164 A CN108199164 A CN 108199164A CN 201810154671 A CN201810154671 A CN 201810154671A CN 108199164 A CN108199164 A CN 108199164A
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- China
- Prior art keywords
- buckle
- shell
- lock
- locking
- assembly
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 241000463219 Epitheca Species 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
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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
- H01R13/02—Contact members
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/6335—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only comprising a handle
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention provides a kind of high-tension connector for having safety lock, for electric vehicle and mixed electrical automobile, is stood including shell group, upper casing group is stood, bottom cover group is stood and conducting wire, connection relation are：The shell group is stood stands plug connection with upper casing group, and the shell group is stood stands connection with bottom cover group, and the conducting wire is inserted into the connection shell group and stands；Wherein, the shell group is stood including shell, pulling buckle, lock and button, and the shell connects pulling buckle, lock and button respectively；Wherein, shell includes a lug boss, and the lug boss includes two edges, hollow-out parts and cap；The lock includes lock body portion, two block items, fastener and lock pushed section, and one end connection stopper of block item is stopped；After assembling, the stopper stop bit only connects the upper protruding block in the through-hole groove, the stopper.The present invention is simple and reliable secondary unlocking structure.
Description
Technical Field
The invention relates to an automobile device, in particular to a high-voltage connector with a safety lock, which is used in a circuit connection system of an electric automobile and a hybrid automobile.
Background
In the current stage of social economy development, people are more and more conscious of environmental protection, the requirements for low-carbon economy and low-carbon life are more and more strong, and meanwhile, the oil price is continuously increased, so that people urgently seek new engine technology for the automobile industry to replace the traditional internal combustion engine technology. Under the background, energy-saving and environment-friendly electric automobiles and hybrid automobiles are more and more noticed and concerned by people, the popularization and the application of the electric automobiles and the hybrid automobiles are necessarily trends, and the development of matched equipment of a circuit connection system can be greatly promoted by using the electric automobiles and the hybrid automobiles.
The high-voltage connector is applied to a new energy automobile circuit connection system, and is applied to various devices and wire harnesses, such as a battery pack, a direct current/direct current converter, an onboard charger, an electric connector and high-voltage power distribution, and circuit connection and conduction. Connectors in the market are mainly metal shell connectors and connectors of plastic shells, and the metal shell connectors are shielded by metal of the shells; the connector of the plastic shell is embedded with a copper sheet for shielding electromagnetism. Metal-shell high-voltage connectors are expensive and heavy, and now mainly use plastic shells as the main components. The existing high-voltage connector has the following defects:
the first time, no secondary unlocking structure exists, or the secondary unlocking structure is complex;
(II) the tail wiring harness has no fastening structure or the fastening structure is complex;
(III) too few contact points are arranged between the shielding cases;
the (fourth) terminal holder is easily pulled to deform the shield case.
In summary, the conventional high-voltage connector has a raised place.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a high-voltage connector with a safety lock, which has a simple structure, so as to solve the problems of the prior art.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides a high voltage connector with safety lock for electric automobile and mixed moving automobile, includes shell assemblage, epitheca assemblage, bottom assemblage and wire, and the relation of connection is: the shell assembly is connected with the upper shell assembly in an inserting mode, the shell assembly is connected with the bottom cover assembly in an inserting mode, and the lead is connected with the shell assembly in an inserting mode; the shell assembly comprises a shell, a pull buckle, a lock catch and a button, and the shell is respectively connected with the pull buckle, the lock catch and the button; the shell comprises a protruding part, the protruding part comprises two side strips, a hollow part and a cover part, a through hole groove is formed in the position corresponding to the two side strips, and an upper protruding block is arranged in the middle of the through hole groove; the lock catch comprises a lock body part, two stop strips, a clamping part and a locking and pushing part, wherein the lock body part is a single piece, one end of each stop strip is connected with one side of the lock body part, the other end of each stop strip is connected with a locking stopper, the locking and pushing part is connected with the other side of the lock body part, and the clamping part is connected with the lock body part; after the assembly, the lock pushing portion is located the hollowed portion, the clamping portion is connected with the button, the lock stopper is located the through hole groove, and the lock stopper is connected with the upper protruding block.
According to the high-voltage connector with the safety lock, in the preferred embodiment of the invention, the button comprises a pressing part and a connecting inclined surface, one end of the connecting inclined surface is connected with the shell, the other end of the connecting inclined surface is connected with the pressing part, the pressing part is positioned at the hollow part, and the connecting inclined surface is provided with two positioning grooves.
According to the high-voltage connector with the safety lock in the preferred embodiment of the invention, the pulling buckle comprises a buckle body part, a buckle groove part, a pushing part, two limit convex shafts, a pulling and pushing part and a buckling position; the buckle body is a sheet body, the buckle groove part is a sheet body with a through hole in the middle, the buckle groove part is connected to one side of the buckle body, the pushing part is located on the lower surface of the buckle groove part, the pulling part is located on the upper surface of the buckle body, the buckling part is located on the lower surface of the buckle body, the buckling part is movably connected with the two positioning grooves, the two limit convex shafts are respectively located on two sides of the pulling buckle, the two side strips correspond to the positions of the two limit convex shafts, and an outer shell guide groove is formed in the positions of the two limit convex shafts, and the limit convex shafts are connected with the outer shell guide groove.
According to the high-voltage connector with the safety lock, the upper shell assembly comprises an upper shell, the upper shell is inserted into the outer shell, and an upper clamping stop is arranged at the position of the upper shell corresponding to the buckling groove part.
According to the high-voltage connector with the safety lock in the preferred embodiment of the invention, the bottom cover assembly comprises a bracket, a sealing gasket, two locking blocks and a bottom cover; the bracket, the sealing gasket, the two locking blocks and the bottom cover are sequentially connected; the locking block comprises a connecting surface and a locking arc surface, and the inner surface of the locking arc surface comprises a plurality of locking convex ribs.
According to the high-pressure connector with the safety lock, in the preferred embodiment of the invention, the bracket is a hollow cylinder, one side of the bracket facing the sealing gasket comprises at least two connecting columns, sealing through holes are formed in the positions, corresponding to the connecting columns, of the sealing gasket, and the connecting columns are connected with the sealing through holes in a penetrating manner.
According to the high-voltage connector with the safety lock, the connecting surface of the locking block is provided with the fastening block through hole at the position corresponding to the connecting column, and the connecting column is connected with the fastening block through hole in a penetrating way.
According to the high-voltage connector with the safety lock in the preferred embodiment of the invention, the bottom cover is a step-shaped hollow body, two opposite connecting buckle holes are formed on the surface of the bottom cover facing to one side of the shell assembly, and a connecting convex buckle is formed at the position of the shell assembly corresponding to the connecting buckle holes.
According to the high-voltage connector with the safety lock in the preferred embodiment of the invention, the housing assembly further comprises a terminal fixing frame and a shielding case, and the terminal fixing frame is inserted into and connected with the housing; the shielding cover is a metal body with two annular hollow bodies at two ends and arc transition in the middle, and the two annular hollow bodies of the shielding cover are respectively connected with the terminal fixing frame and the lead in a coating mode.
According to the high-voltage connector with the safety lock in the preferred embodiment of the invention, the shielding case comprises an island shape at one end of the terminal fixing frame, and the width of the island shape is larger than the thickness of the terminal fixing frame at the connection position; the shielding cover is arranged at one end of the lead and is extruded by the inner edge of the bottom cover assembly to be tightly connected with the crimping ring of the lead.
The design idea of the application is as follows: the existing plastic shell high-voltage connector is improved, and under the high-voltage and high-current environment, safe and reliable power distribution and conduction become the core and the key of the whole safety of the new energy automobile, so that the structure is simplified and the reliability is improved.
Compared with the prior art, the invention has the following advantages and positive effects due to the adoption of the technology:
firstly, the application is a simple and reliable secondary unlocking structure;
secondly, the sealing gasket and the bracket form an assembly, so that the lead is simple to fix and convenient to mount;
thirdly, the shielding contact is added, so that the electromagnetic shielding effect is improved;
fourthly, the bottom cover is simple and easy to install; the locking block is added, and the drawing strength is improved.
Of course, implementing any particular embodiment of the present disclosure does not necessarily achieve all of the above technical advantages at the same time.
Drawings
FIG. 1 is a schematic view of the present application;
FIG. 2 is a schematic view of the housing assembly of the present application;
FIG. 3 is a cut-away schematic view of FIG. 1;
FIG. 4 is a schematic view of a button and boss of the present application;
FIG. 5 is a schematic view of the latch of the present application;
FIG. 6 is a schematic view of a tab of the present application;
FIG. 7 is a schematic view of the security lock of the present application in its initial state;
FIG. 8 is a schematic view of the security lock of the present application in the condition where the upper shell is fully inserted;
FIG. 9 is a schematic view of the safety lock of the present application showing the shackle in a bottom-out condition;
FIG. 10 is a schematic view of the bottom cover assembly of the present application;
FIG. 11 is a further angular cross-sectional view of FIG. 1;
fig. 12 is a schematic view of the shield connection of the present application.
Detailed Description
Several preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to only these embodiments. The invention is intended to cover alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1, 2 and 3, the high voltage connector of the present application for electric vehicles and hybrid vehicles includes a housing assembly 10, an upper housing assembly 20, a bottom cover assembly 30 and a conducting wire 40, and the connection relationship is as follows: the shell assembly 10 is connected with the upper shell assembly 20 in an inserting way, the shell assembly 10 is connected with the bottom cover assembly 30, and the lead 40 is inserted and connected with the bottom cover assembly 30 and the shell assembly 10; the shell assembly 10 comprises a shell 11, a pull buckle 12, a lock buckle 13 and a button 14, wherein the shell 11 is connected with the pull buckle 12, the lock buckle 13 and the button 14 respectively to form a secondary unlocking structure.
In this case, the housing 11 includes a protrusion 111, as shown in fig. 4, the protrusion 111 includes two side strips 1111, a hollow portion 1112 and a cover portion 1113, the two side strips 1111 are provided with a through hole channel 1114 at corresponding positions, an upper protrusion 1115 is provided in the middle of the through hole channel 1114, and the upper protrusion 1115 is connected to the upper edge of the through hole channel 1114 and forms a protrusion shape downward as shown in the figure.
In addition, as shown in fig. 5, the latch 13 includes a latch portion 131, two stop bars 132, a stop portion 133 and a lock pushing portion 134; the lock body part 131 is a one-piece body, one end of the stop bar 132 is connected to one side of the lock body part 131, the other end of the stop bar 132 is connected to a locking stop 135, and a distance exists between the two stop bars 132; the lock pushing part 134 is connected with the other side of the lock body part 131, the clamping part 133 is connected with the lock body part 131, the clamping part 133 is provided with an inclined surface, as shown in the figure, the clamping part 133 of the present application is two sheets protruding out of the lock body part 131, but the present application cannot be limited, the clamping part 133 is designed into one or more sheets, the protection scope of the present application is provided as long as the strength and the function are required, and the inclined surface design of the clamping part 133 is mainly used for conveniently connecting the button 14 and lifting the button 14; after assembly, the lock pushing portion 134 is located in the hollow portion 1112, the locking portion 133 is connected to the button 14, the lock stopper 135 is located in the through hole 1114, and the lock stopper 135 is connected to the upper boss 1115.
As shown in fig. 4, the button 14 includes a pressing portion 141 and a connecting inclined surface 142, one end of the connecting inclined surface 142 is connected to the housing 11, the other end of the connecting inclined surface 142 is connected to the pressing portion 141, the pressing portion 141 is located at the hollow portion 1112, the connecting inclined surface 142 is connected to the housing 11 at an angle in the radial direction, so that the pressing portion 141 floats at the hollow portion 1112, the connecting inclined surface 142 is provided with two positioning grooves 143, and the two positioning grooves 143 are two through holes arranged in the axial direction.
In addition, as shown in fig. 3 and fig. 6, the tab 12 includes a tab portion 121, a tab slot portion 122, a pushing portion 123, two limit protruding shafts 124, a pulling and pushing portion 125 and a tab portion 126; the buckle portion 121 is a sheet, the buckle portion 122 is a sheet with a through hole in the middle, the buckle portion 122 is connected to one side of the buckle portion 121, the pushing portion 123 is located on the lower surface of the buckle portion 122, when the upper housing assembly 20 is inserted into the housing 11 during the insertion, the front edge of the upper housing assembly 20 meets the pushing portion 123, the pushing portion 123 is pushed to push the pull buckle 12 outwards, the push portion 141 of the button 14 is pushed, the pull portion 125 is located on the upper surface of the buckle portion 121, the buckle portion 126 is located on the lower surface of the buckle portion 121, the buckle portion 126 is a protrusion on the lower surface of the buckle portion 121, the buckle portion 126 is movably connected to the two positioning grooves 143, that is, before being pushed by the upper housing assembly 20, the buckle portion 126 is located in the positioning groove 143 on the inner side, and then is pushed by the upper housing assembly 20 into the positioning groove 143 on the outer side, and is located in the positioning groove 143 on the outer side, the entered catching locations 126 are not easily left. The two limit protruding shafts 124 are respectively located at two sides of the tab 12, a housing guide groove (not shown) is formed in the position of the two side strips 1111 corresponding to the two limit protruding shafts 124, the limit protruding shafts 124 are connected with the housing guide groove, and the limit protruding shafts 124 slide in the housing guide groove and also play a role of a seesaw supporting point.
As shown in fig. 7, the upper housing assembly 20 includes an upper housing 21, the upper housing 21 is inserted into the outer housing 11, an upper stop 211 is disposed at a position of the upper housing 21 corresponding to the buckling groove portion 122, the upper housing 21 is inserted into the outer housing 11, and when the front edge of the upper housing 21 meets the pushing portion 123, the upper stop 211 just enters the middle through hole of the buckling groove portion 122, so as to prevent the upper housing 21 from being easily removed from the outer housing 11.
Then, in the process of assembling the safety lock, the tab 12 is inserted into the cover 1113 from the hollow 1112, the two limit protruding shafts 124 enter the housing guide grooves of the two side strips 1111 to limit the movement of the tab 12 until the pull-push portion 125 hits the cover 1113, and the tab 12 can not move inwards any more, at this time, the button position 126 is in the positioning groove 143 near the inside, and the pull-push portion 125 is located between the cover 1113 and the pressing portion 141 of the button 14; then, the latch 13 is inserted from the bottom of the pressing portion 141, the connecting inclined surface 142 is located in the gap between the two stopping bars 132, when the latch stop 135 continues to advance, and the through hole groove 1114 meets the upper projection 1115, the latch stop 135 is stopped by the upper projection 1115, the latch 13 cannot advance any more, as shown in fig. 7, the pulling and pushing portion 125 hits the cap portion 1113, and the latch stop 135 is stopped by the upper projection 1115.
Next, describing the locking process of the safety lock, as shown in fig. 8, the upper shell 21 is inserted into the housing 11, the front edge of the upper shell 21 meets the pushing portion 123 and continues to be inserted to the end, at this time, the upper locking portion 211 just enters the middle through hole of the locking groove portion 122, so as to prevent the upper shell 21 from easily coming out of the housing 11, the pulling and pushing portion 125 and the pressing portion 141 are close together, and the locking portion 126 is located in the positioning groove 143 near the outside; meanwhile, the buckle 12 presses down the buckle 13, so that the lock stopper 135 of the buckle 13 is separated from the upper convex block 1115 in the middle of the through hole channel 1114 downwards, and can be pushed forwards, when the buckle is pushed in place by hand, as shown in fig. 9, the lock stopper 135 comes to the other side of the upper convex block 1115, and the buckle 13 is not easy to be separated; in addition, the button 14 is pushed up by the inclined surface of the locking part 133, and the positioning groove 143 of the connecting inclined surface 142 locks the button position 126 of the tab 12, so that the tab 12 and the button 14 can be fixed and can not move.
When the safety lock is to be opened, the lock catch 13 is pushed to the tail part by hand to slide in place; then, the push button 14 is pushed to pull the upper case 3-5MM open, and the upper stopper 211 is positioned in the middle through hole of the catch groove 122, so that when the upper case 21 is pulled open, the catch 12 is pulled at the same time until the push-pull portion 125 hits the lid portion 1113. Finally, the pulling and pushing portion 125 of the pull buckle 12 is pressed down, the limit protruding shaft 124 plays a role of a seesaw supporting point, the upper stop 211 is separated from the middle through hole of the buckle groove portion 122, the upper stop 211 is not limited, and the upper shell 21 and the outer shell 11 are completely pulled apart.
Referring to fig. 10, the bottom cover assembly 30 includes a bracket 31, a gasket 32, two locking blocks 33, and a bottom cover 34; the bracket 31, the sealing gasket 32, the two locking blocks 33 and the bottom cover 34 are connected in sequence; the locking block 33 comprises a connecting surface 331 and a locking arc surface 332, the connecting surface 331 and the locking arc surface 332 are integrally formed, the inner surface of the locking arc surface 332 comprises a plurality of locking ribs 333, the locking block 33 surrounds the lead 40, after the lead 40 is surrounded, the locking ribs 333 and the lead 40 are axially arranged at 90 degrees, and the lead 40 can be surrounded and cannot slide. In addition, the bracket 31 is a hollow cylinder, one side of the bracket 31 facing the sealing gasket 32 includes at least two connecting columns 311, as shown in fig. 10, the number of the connecting columns 311 is 4, but the number of the connecting columns 311 is not limited in the present application, as long as the connecting columns can be stably connected, and a plurality of connecting columns or a few connecting columns are all the protection range of the present application, the sealing through holes 321 are formed in the positions of the sealing gasket 32 corresponding to the connecting columns 311, and the connecting columns 311 are connected with the sealing through holes 321 in a penetrating manner.
In addition, a fastening block through hole 334 is formed in the connecting surface 331 of the locking block 33 at a position corresponding to the connecting column 311, the connecting column 311 is connected with the fastening block through hole 334 in a penetrating manner, and as shown in fig. 10, 2 fastening block through holes 334 are formed in the connecting surface 331 of the locking block 33 in accordance with the number of the connecting columns 311. The bottom cover 34 is a step-shaped hollow body, and a surface of the bottom cover 34 facing one side of the housing assembly 10 is provided with two opposite connecting fastening holes 341, referring to fig. 2 and 11, a connecting convex fastener 15 is provided at a position of the housing assembly 10 corresponding to the connecting fastening holes 341.
With respect to the assembly of the bottom cover assembly 30 and the shell assembly 10, 4 connecting columns 311 with the diameter of 1.5mm-3mm are added on the bracket 31, the sealing gasket 32 and the locking block 33 are penetrated through, and the locking block 33 can be pulled by the mushroom head shape protruding from the head parts of the connecting columns 311; the bottom cover 34 is easily fixed before the bottom cover 34 is installed. The inclined surfaces of the locking arc surfaces 332 of the two locking blocks 33 are matched with the inclined surfaces on the bottom cover 34, when the bottom cover 34 is installed, the bottom cover 34 upwards extrudes the two locking blocks 33 towards the middle conducting wire 40, the locking convex ribs 333 on the contact surfaces of the locking blocks 33 and the conducting wire 40 tightly clamp the conducting wire 40, the bottom cover 34 continues upwards, the connecting convex buckles 15 of the shell assembly 10 are inserted into the connecting buckle holes 341 of the bottom cover 34, the bottom cover assembly 30 and the shell assembly 10 are tightly clamped and cannot be loosened, and the assembly is completed, as shown in fig. 11. The two locking blocks 33 are used for clamping the conducting wire 40 by utilizing the slope squeezing effect of the bottom cover 34, and the change of the internal structure when the conducting wire 40 is pulled is avoided.
Next, please refer to fig. 11 and 12, which illustrate the shielding connection of the present application; the housing assembly 10 further comprises a terminal fixing frame 16 and a shielding case 17, wherein the terminal fixing frame 16 and the shielding case 17 are inserted into the housing 11; the shielding case 17 is a metal body with two annular hollow bodies at two ends and arc transition in the middle, and the two annular hollow bodies of the shielding case 17 are respectively connected with the terminal fixing frame 16 and the lead 40 in a covering mode. As shown in fig. 11 and 12, the shielding case 17 includes an island 171 at one end of the terminal holder 16, the width of the island 171 is larger than the thickness of the terminal holder 16 at the connection position, and the island 171 protruding from the terminal holder 16 can be connected to the upper housing assembly shielding case 212; the island 171 is designed to increase the pulling-out force of the terminal holding frame 16, and it is not easy to take out the terminal holding frame 16 when separating the upper case assembly 20 and the housing assembly 10.
In addition, as shown in fig. 11, the shielding case 17 is pressed by the inner edge of the bottom cover assembly 30 at one end of the lead 40 and tightly connected with the crimping ring 41 of the lead 40; this pressing of the shield 17 is the support 31.
In summary, the shield case 17 is fixed in the housing 11 while surrounding the terminal holder 16, and the tail contact of the shield case 17 is in contact with the shield mesh crimp ring 41 of the lead wire 40, and the head contact is in contact with the upper case assembly shield case 212 to form a shield. The head of the shielding cover 17 is added with an island 171 contact, the inner hole of the bracket 31 presses the tail contact of the shielding cover 17 on the wire harness crimping ring 41, and the shielding cover 17 in the shell 11 is in contact conduction with the upper shell assembly shielding cover 212.
This application improves current plastic casing high voltage connector, and under high voltage high current environment, safe, reliable distribution and conduction become new energy automobile safety's whole core and key, consequently, the most main purpose of this application is exactly that the structure is simplified to increase the reliability.
Compared with the prior art, the invention has the following advantages and positive effects due to the adoption of the technology:
firstly, the application is a simple and reliable secondary unlocking structure;
secondly, the sealing gasket and the bracket form an assembly, so that the lead is simple to fix and convenient to mount;
thirdly, the shielding contact is added, so that the electromagnetic shielding effect is improved;
fourthly, the bottom cover is simple and easy to install; the locking block is added, and the drawing strength is improved.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a high voltage connector that has safety lock for electric automobile and thoughtlessly move car, its characterized in that includes shell assemblage, epitheca assemblage, bottom assemblage and wire, and the relation of connection is: the shell assembly is connected with the upper shell assembly in an inserting mode, the shell assembly is connected with the bottom cover assembly in an inserting mode, and the lead is connected with the shell assembly in an inserting mode; the shell assembly comprises a shell, a pull buckle, a lock catch and a button, and the shell is respectively connected with the pull buckle, the lock catch and the button; wherein,
the shell comprises a protruding part, the protruding part comprises two side strips, a hollow part and a cover part, a through hole groove is formed in the position corresponding to the two side strips, and an upper protruding block is arranged in the middle of the through hole groove;
the lock catch comprises a lock body part, two stop strips, a clamping part and a locking and pushing part, wherein the lock body part is a single piece, one end of each stop strip is connected with one side of the lock body part, the other end of each stop strip is connected with a locking stopper, the locking and pushing part is connected with the other side of the lock body part, and the clamping part is connected with the lock body part;
after the assembly, the lock pushing portion is located the hollowed portion, the clamping portion is connected with the button, the lock stopper is located the through hole groove, and the lock stopper is connected with the upper protruding block.
2. The high-voltage connector with the safety lock according to claim 1, wherein the button comprises a pressing portion and a connecting inclined surface, one end of the connecting inclined surface is connected with the housing, the other end of the connecting inclined surface is connected with the pressing portion, the pressing portion is located in the hollow portion, and the connecting inclined surface is provided with two positioning grooves.
3. The high-voltage connector with the safety lock according to claim 2, wherein the pulling buckle comprises a buckle body part, a buckle groove part, a pushing part, two limit convex shafts, a pulling and pushing part and a buckle position; the buckle body is a sheet body, the buckle groove part is a sheet body with a through hole in the middle, the buckle groove part is connected to one side of the buckle body, the pushing part is located on the lower surface of the buckle groove part, the pulling part is located on the upper surface of the buckle body, the buckling part is located on the lower surface of the buckle body, the buckling part is movably connected with the two positioning grooves, the two limit convex shafts are respectively located on two sides of the pulling buckle, the two side strips correspond to the positions of the two limit convex shafts, and an outer shell guide groove is formed in the positions of the two limit convex shafts, and the limit convex shafts are connected with the outer shell guide groove.
4. The high-voltage connector with the safety lock as claimed in claim 3, wherein the upper casing assembly comprises an upper casing, the upper casing is inserted into and connected with the outer casing, and an upper stop is arranged at a position of the upper casing corresponding to the buckling groove part.
5. The high-voltage connector with the safety lock according to claim 1, wherein the bottom cover assembly comprises a bracket, a sealing gasket, two locking blocks and a bottom cover; the bracket, the sealing gasket, the two locking blocks and the bottom cover are sequentially connected; the locking block comprises a connecting surface and a locking arc surface, and the inner surface of the locking arc surface comprises a plurality of locking convex ribs.
6. A high-pressure connector with a safety lock according to claim 5, wherein the bracket is a hollow cylinder, one side of the bracket facing the sealing gasket comprises at least two connecting columns, sealing through holes are formed in the positions, corresponding to the connecting columns, of the sealing gasket, and the connecting columns are connected with the sealing through holes in a penetrating mode.
7. The high-voltage connector with the safety lock according to claim 6, wherein the connecting surface of the locking block is provided with a through hole of the locking block at a position corresponding to the connecting column, and the connecting column is connected with the through hole of the locking block in a penetrating way.
8. The high-voltage connector with the safety lock according to claim 7, wherein the bottom cover is a step-shaped hollow body, two opposite connecting buckle holes are formed on the surface of the bottom cover facing to one side of the shell assembly, and connecting convex buckles are formed on the shell assembly at positions corresponding to the connecting buckle holes.
9. The high voltage connector with safety lock according to claim 1, wherein said housing assembly further comprises a terminal holder and a shield, said terminal holder being inserted into said housing; the shielding cover is a metal body with two annular hollow bodies at two ends and arc transition in the middle, and the two annular hollow bodies of the shielding cover are respectively connected with the terminal fixing frame and the lead in a coating mode.
10. The high voltage connector with safety lock of claim 9, wherein said shield includes an island at one end of said terminal holder, said island having a width greater than a thickness of said terminal holder at a connection; the shielding cover is arranged at one end of the lead and is extruded by the inner edge of the bottom cover assembly to be tightly connected with the crimping ring of the lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154671.1A CN108199164B (en) | 2018-02-23 | 2018-02-23 | High voltage connector with safety lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154671.1A CN108199164B (en) | 2018-02-23 | 2018-02-23 | High voltage connector with safety lock |
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| CN108199164A true CN108199164A (en) | 2018-06-22 |
| CN108199164B CN108199164B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810154671.1A Active CN108199164B (en) | 2018-02-23 | 2018-02-23 | High voltage connector with safety lock |
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| CN (1) | CN108199164B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108199164B (en) | 2024-03-12 |
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