CN109546445B - Locking device and locking method for high-voltage connector of electric automobile - Google Patents
Locking device and locking method for high-voltage connector of electric automobile Download PDFInfo
- Publication number
- CN109546445B CN109546445B CN201811490606.2A CN201811490606A CN109546445B CN 109546445 B CN109546445 B CN 109546445B CN 201811490606 A CN201811490606 A CN 201811490606A CN 109546445 B CN109546445 B CN 109546445B
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- switch
- bulge
- radial arm
- panel
- protrusion
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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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
- H01R13/62955—Pivoting lever comprising supplementary/additional locking means
-
- 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
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a locking device and a locking method of an electric automobile high-voltage connector, which solve the technical problems that the existing locking device of the electric automobile high-voltage connector is unreliable and easy to loosen. The locking device comprises a switch, a radial arm and a plug shell, wherein the switch is arranged on the radial arm, the radial arm is rotatably arranged on the plug shell, and the radial arm and the plug shell are locked or unlocked through the switch. The invention further provides a locking method of the locking device. The locking device disclosed by the invention is convenient and quick in operation process, and is time-saving and labor-saving. The locking device is high in reliability, so that the radial arm and the plug shell are not easy to loosen, and the quality of circuit connection is ensured. The locking method is simple to operate and saves the operation time.
Description
Technical Field
The invention belongs to the technical field of electric connectors, and relates to a locking device and a locking method of an electric automobile high-voltage connector.
Background
At present, in the field of high-voltage connectors of electric automobiles, a radial arm is required to be designed for assisting in butt joint of high-current connectors with large plugging force, the quality of circuit connection is directly influenced by the limit and fixation of the radial arm after butt joint, and the existing locking device is unreliable and easy to loosen.
Disclosure of Invention
In order to solve the technical problems, the invention provides a locking device and a locking method for an electric automobile high-voltage connector, which are reliable in structure and convenient to operate.
In order to achieve the above purpose, the invention adopts the following technical scheme: the locking device comprises a switch, a radial arm and a plug shell, wherein the switch is arranged on the radial arm, the radial arm is rotatably arranged on the plug shell, and the radial arm and the plug shell are locked or unlocked through the switch.
Further, the switch includes the switch body of L type, and the switch body includes mutually perpendicular first panel and second panel that connects, is equipped with the hook in the intermediate position of the lower surface lower extreme of first panel, and the top of hook is equipped with a unsettled and can atress elastic component of T type, is equipped with first arch and second arch respectively in the both sides of T type elastic component lower surface, is equipped with the first rectangle recess that is used for holding T type elastic component in the intermediate position junction of second panel bottom and first panel, is equipped with third arch and third arch in the both ends of the lower surface intermediate position of first panel.
Further, rectangular openings are respectively arranged on the left side and the right side of the first panel, so that a three-fork structure with a first fork, a second fork and a third fork is formed at the front end of the lower surface of the second fork, a hook body is arranged at the rear ends of the lower surfaces of the first fork and the third fork, and a third bulge and a fourth bulge are respectively arranged at the rear ends of the lower surfaces of the first fork and the third fork.
Further, the upper and lower ends of the first protrusion and the second protrusion are chamfered.
Further, the bottom ends of the third protrusion and the fourth protrusion are chamfered.
Further, the radial arm wholly is U type symmetrical structure, including the handle and be the symmetry install in handle both sides and with handle integrated into one piece's 2 arm bodies, the handle includes L type handle body and the connecting plate that 2 symmetries set up, L type handle body is including vertical board and the horizontal plate that looks perpendicular is connected, have the space that is used for holding the hook between the horizontal plate of 2L type handle bodies, install the connecting plate on the top of 2 vertical boards, it is fixed with 2L type handle bodies to have the space that is used for switch male between connecting plate and the horizontal plate the upper surface top of horizontal plate is equipped with the slide, the top opening chamfer of slide is equipped with the second rectangle recess in the below of slide, is equipped with trapezoidal arch and the rectangle arch that is located trapezoidal arch below and integrated into one piece on the side of the horizontal plate in the slide outside, the length of rectangle arch is longer than the length of trapezoidal arch bottom surface, forms between the inclined plane that is used for holding first arch or second bellied groove structure between the upper surface of rectangle arch overgrowth part and the adjacent one side of trapezoidal arch.
Further, a positioning shaft hole is arranged at the lower end of the arm body.
Further, the plug shell comprises a plug shell body, a hook-shaped protrusion which is matched and locked with a hook-shaped body of the switch is arranged above the front end of the plug shell body, and positioning shafts matched with the positioning shaft holes are arranged on the left side and the right side of the lower end of the plug shell body.
The invention further provides a locking method of the locking device of the high-voltage connector of the electric automobile, which comprises the following specific operation steps:
firstly, assembling a switch and a radial arm, inserting a first panel of the switch into a gap between a connecting plate and a horizontal plate under the action of external force, enabling a third bulge and a fourth bulge of the first panel to fall into second rectangular grooves of 2 handle bodies from a slideway respectively, and axially limiting the first panel between the switch and the radial arm; when the switch is not locked, the first bulge and the second bulge on the lower surface of the T-shaped elastic part of the switch are positioned in a groove structure between the upper surface of the longer part of the rectangular bulge and the inclined plane on the adjacent side of the trapezoidal bulge, the switch and the radial arm are self-locked, and the self-locking state of the switch and the radial arm is kept when no external force is applied to the switch; when the radial arm rotates in place and needs to be locked, the switch is pressed downwards, the first bulge and the second bulge on the lower surface of the T-shaped elastic part of the switch are lifted by the guidance of the inclined plane on the adjacent side of the upper surface of the growing part of the trapezoid bulge and the rectangle bulge, the T-shaped elastic part is driven to be lifted integrally, the switch continues to move downwards until the hook body below the switch hooks the hook-shaped bulge on the plug shell, so that the radial arm cannot be lifted, meanwhile, the first bulge and the second bulge of the switch are attached to the inclined plane on the other side of the trapezoid bulge, the self-locking state can be kept when external force is not applied to the first bulge and the second bulge of the switch, the locking effect of the radial arm is achieved, and the radial arm can be lifted only by pulling the switch upwards during unlocking, so that unlocking is completed.
Compared with the prior art, the invention has the following beneficial effects: the locking device disclosed by the invention is convenient and quick in operation process, and is time-saving and labor-saving. The locking device is high in reliability, so that the radial arm and the plug shell are not easy to loosen, and the quality of circuit connection is ensured. The locking method is simple to operate and saves the operation time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention; the unlocking state of the radial arm, the switch and the plug shell is schematic;
FIG. 2 is a schematic illustration of the locked state of the radial arm, switch and plug housing;
FIG. 3 is a schematic diagram of the structure of the switch;
FIG. 4 is a schematic view of the back structure of the switch;
FIG. 5 is a schematic view of the structure of a radial arm;
FIG. 6 is a schematic view of the connection structure of the L-shaped handle body and the arm body;
FIG. 7 is a schematic structural view of a connection plate;
fig. 8 is a schematic structural view of the plug housing;
FIG. 9 is a schematic diagram of the switch and radial arm in an unlocked state;
FIG. 10 is a cross-sectional view taken along A-A of FIG. 9;
FIG. 11 is a B-B cross-sectional view of FIG. 9;
FIG. 12 is a schematic view of the switch, radial arm and plug housing in a locked condition;
FIG. 13 is a C-C cross-sectional view of FIG. 12;
FIG. 14 is a schematic view of a partial enlarged structure of the trapezoidal projections and the rectangular projections;
in the figure: 1-a switch; 1-1-a switch body; 1-1-1-a first panel; 1-1-2-second panel; 1-1-2-1-a first rectangular groove; 1-1-3-rectangular openings; 1-1-4-first bifurcation; 1-1-5-second bifurcation; 1-1-6-third bifurcation; 1-1-7-hooks; 1-1-8-T-shaped elastic parts; 1-1-9-first protrusions; 1-1-10-second protrusions; 1-1-11-third protrusions; 1-1-12-fourth protrusions;
2-radial arms; 2-1-handle; 2-1-1-vertical plates; 2-1-1-1-slideway; 2-1-1-2-second rectangular grooves; 2-1-2-horizontal plates; 2-1-3-connecting plates; 2-2-arm; 2-2-1-positioning shaft holes; 2-3-trapezoidal protrusions; 2-4-rectangular protrusions;
3-a plug housing; 3-1-a plug housing body; 3-2-hooked protrusions; 3-3-positioning shaft.
Description of the preferred embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-2, a locking device of a high voltage connector of an electric automobile comprises a switch 1, a radial arm 2 and a plug housing 3, wherein the switch 1 is arranged on the radial arm 2, the radial arm 2 is rotatably arranged on the plug housing 3, and the radial arm 2 and the plug housing 3 are locked or unlocked through the switch 1.
Referring to fig. 3-4, the switch comprises an L-shaped switch body 1-1, wherein the switch body 1-1 comprises a first panel 1-1-1 and a second panel 1-1-2 which are connected with each other vertically, a hook body 1-1-7 is arranged at the middle position of the lower end of the lower surface of the first panel 1-1, a suspended T-shaped elastic part 1-1-8 capable of being sprung by force is arranged above the hook body 1-7, a first bulge 1-1-9 and a second bulge 1-1-10 are respectively arranged at two sides of the lower surface of the T-shaped elastic part 1-1-8, a first rectangular groove 1-1-2-1 for accommodating the T-shaped elastic part 1-1-8 is arranged at the joint of the bottom end of the second panel 1-1-2 and the middle position of the first panel 1-1, and a third bulge 1-1-12 is arranged at two ends of the middle position of the lower surface of the first panel 1-1-1.
Rectangular openings 1-1-3 are respectively arranged on the left side and the right side of the first panel 1-1-1, so that the front end of the first panel 1-1 forms a three-fork structure with a first fork 1-1-4, a second fork 1-1-5 and a third fork 1-1-6, a hook body 1-1-7 is arranged at the front end of the lower surface of the second fork 1-1-5, and a third bulge 1-1-11 and a fourth bulge 1-1-12 are respectively positioned at the rear ends of the lower surfaces of the first fork 1-1-4 and the third fork 1-1-6.
The upper and lower ends of the first protrusions 1-1-9 and the second protrusions 1-1-10 are chamfered.
Chamfering is performed at the bottom ends of the third protrusions 1-1-11 and the fourth protrusions 1-1-12.
Referring to fig. 5-7, the swing arm 2 is integrally in a U-shaped symmetrical structure, and comprises a handle 2-1 and 2 arm bodies 2-2 which are symmetrically arranged at two sides of the handle 2-1 and integrally formed with the handle, wherein the handle 2-1 comprises 2L-shaped handle bodies and connecting plates 2-1-3 which are symmetrically arranged, the L-shaped handle bodies comprise vertical plates 2-1-1 and horizontal plates 2-1-2 which are vertically connected, a gap for accommodating a hook body 1-1-7 is arranged between the horizontal plates 2-1-2 of the 2L-shaped handle bodies, the connecting plates 2-1-3 are arranged at the top ends of the 2 vertical plates 2-1-1, the L-shaped handle body is fixed, a gap for inserting the switch 1 is arranged between the connecting plate 2-1-3 and the horizontal plate 2-1-1, the top end of the upper surface of the horizontal plate 2-1-1 is provided with a slide way 2-1-1-1, the upper opening of the slide way 2-1-1 is chamfered, the lower part of the slide way 2-1-1 is provided with a second rectangular groove 2-1-1-2, the side surface of the horizontal plate outside the slide way 2-1-1-1 is provided with a trapezoid protrusion 2-3 and a rectangle protrusion 2-4 which is positioned below the trapezoid protrusion 2-3 and is integrally formed, the length of the rectangle protrusion 2-4 is longer than the length of the bottom surface of the trapezoid protrusion 2-3, a groove structure for accommodating the first protrusion 1-1-9 or the second protrusion 1-1-10 is formed between the upper surface of the elongated portion of the rectangular protrusion 2-4 and the inclined surface of the adjacent side of the trapezoidal protrusion 2-3.
The lower end of the arm body 2-2 is provided with a positioning shaft hole 2-2-1.
Referring to fig. 7, rectangular protrusions 2-1-3-4 are respectively provided at left and right sides of a lower end of a lower surface of the connection plate 2-1-3, and when a first panel of the switch 1 is inserted into a gap between the connection plate and the L-shaped handle body, the rectangular protrusions may extend into the rectangular openings 1-1-3 on the first panel, and first, second and third branches 1-1-4, 1-5 and 1-1-6 of the first panel are respectively disposed in the first, second and third grooves 2-1-3-3, 2-1-3-4 and 2-1-3-5 of the lower surface of the connection plate.
Referring to fig. 8, the plug housing 3 includes a plug housing body 3-1, a hook-shaped protrusion 3-2 which is locked by matching with a hook-shaped body 1-1-7 of the switch is arranged above the front end of the plug housing body 3-1, positioning shafts 3-3 which are matched with the positioning shaft holes 2-2-1 are arranged on the left side and the right side of the lower end of the plug housing body 3-1, and the plug housing 3 and the radial arm 2 are matched with the positioning shaft holes 2-2-1 through the positioning shafts 3-3 to realize rotary connection.
The invention further provides a locking method of the locking device of the high-voltage connector of the electric automobile, which comprises the following specific operation steps:
referring to fig. 9 to 11, the plug housing 3 and the radial arm 2 are rotatably connected with the positioning shaft hole 2-2-1 through the positioning shaft 3-3, the switch 1 and the radial arm 2 are assembled first, the first panel 1-1 of the switch 1 is inserted into a gap between the connecting plate 2-1-3 and the horizontal plate 2-1-1 under the action of external force, the third protrusion 1-1-11 and the fourth protrusion 1-1-12 of the first panel 1-1 fall into the second rectangular grooves 2-1-1-2 of the 2 handle bodies from the slide ways 2-1-1, respectively, and the first panel 1-1 is axially limited between the switch 1 and the radial arm 2; when the switch 1 is not locked, the first bulge 1-1-9 and the second bulge 1-1-10 on the lower surface of the switch T-shaped elastic part 1-1-8 are positioned in a groove structure between the upper surface of the longer part of the rectangular bulge 2-4 and the inclined plane of the adjacent side of the trapezoidal bulge 2-3, the switch and the radial arm are self-locked, and the self-locking state of the switch and the radial arm is kept when no external force is applied to the switch and the radial arm; when the radial arm rotates to the right position and needs to be locked, the switch is pressed downwards, the first bulge 1-1-9 and the second bulge 1-1-10 on the lower surface of the T-shaped elastic part 1-1-8 of the switch are guided and lifted by the inclined plane 2-3-1 on one side, adjacent to the upper surface, of the growing part of the trapezoid bulge 2-4, of the trapezoid bulge 2-3, (the structures of the trapezoid bulge and the rectangle bulge refer to fig. 14) drive the T-shaped elastic part 1-1-8 to integrally lift up, the switch continues to move downwards until the hook body 1-1-7 below the switch hooks the hook bulge 3-2 on the plug shell, so that the radial arm 2 cannot lift up, and meanwhile, the first bulge 1-1-9 and the second bulge 1-10 of the switch are attached to the inclined plane 2-3-2 on the other side of the trapezoid bulge 2-3, as shown in fig. 12-13, the self-locking state can be kept when external force is not applied to the switch, the locking effect of the radial arm 2 is achieved, and the radial arm 2 can be lifted up only by pulling the switch upwards when unlocking is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The locking device of the high-voltage connector of the electric automobile is characterized by comprising a switch, a radial arm and a plug shell, wherein the switch is arranged on the radial arm, the radial arm is rotatably arranged on the plug shell, and the radial arm and the plug shell are locked or unlocked through the switch;
the switch comprises an L-shaped switch body, wherein the switch body comprises a first panel and a second panel which are mutually and vertically connected, a hook body is arranged in the middle of the lower end of the lower surface of the first panel, a suspended T-shaped elastic part which can be sprung by force is arranged above the hook body, a first bulge and a second bulge are respectively arranged on two sides of the lower surface of the T-shaped elastic part, a first rectangular groove for accommodating the T-shaped elastic part is formed in the joint of the bottom end of the second panel and the middle of the first panel, and a third bulge are arranged at two ends of the middle of the lower surface of the first panel;
the spiral arm is integrally of a U-shaped symmetrical structure and comprises a handle and 2 arm bodies which are symmetrically arranged on two sides of the handle and integrally formed with the handle, the handle comprises 2L-shaped handle bodies and connecting plates which are symmetrically arranged, each L-shaped handle body comprises a vertical plate and a horizontal plate which are vertically connected, a gap for accommodating a hook body is formed between the horizontal plates of the 2L-shaped handle bodies, the connecting plates are arranged at the top ends of the 2 vertical plates, the 2L-shaped handle bodies are fixed, a gap for inserting a switch is formed between each connecting plate and each horizontal plate, a slide way is arranged at the top end of the upper surface of each horizontal plate, a chamfer is formed above the slide way, a second rectangular groove is formed below the slide way, a trapezoid protrusion and a rectangular protrusion which is positioned below the trapezoid protrusion and integrally formed are arranged on the side face of the horizontal plate on the outer side of the slide way, the length of each rectangular protrusion is longer than that of the bottom face of the trapezoid protrusion, and a groove structure for accommodating a first protrusion or a second protrusion is formed between the upper surface of a rectangular protrusion of a long part and an inclined plane of the trapezoid protrusion on the adjacent side of the trapezoid protrusion;
the plug shell comprises a plug shell body, a hook-shaped protrusion which is matched and locked with a hook-shaped body of the switch is arranged above the front end of the plug shell body, and positioning shafts which are matched with the positioning shaft holes are arranged on the left side and the right side of the lower end of the plug shell body;
rectangular openings are respectively arranged on the left side and the right side of the first panel, so that a three-fork structure with a first fork, a second fork and a third fork is formed at the front end of the lower surface of the first panel, a hook body is arranged at the front end of the lower surface of the second fork, and a third bulge and a fourth bulge are respectively arranged at the rear ends of the lower surfaces of the first fork and the third fork; the upper end and the lower end of the first bulge and the lower end of the second bulge are chamfered; chamfering the bottom ends of the third bulge and the fourth bulge.
2. The locking device of a high voltage connector for an electric vehicle according to claim 1, wherein a positioning shaft hole is provided at a lower end of the arm body.
3. The locking method of a locking device of an electric automobile high voltage connector according to claim 1 or 2, comprising the following steps:
firstly, assembling a switch and a radial arm, inserting a first panel of the switch into a gap between a connecting plate and a horizontal plate under the action of external force, enabling a third bulge and a fourth bulge of the first panel to fall into second rectangular grooves of 2 handle bodies from a slideway respectively, and axially limiting the first panel between the switch and the radial arm; when the switch is not locked, the first bulge and the second bulge on the lower surface of the T-shaped elastic part of the switch are positioned in a groove structure between the upper surface of the longer part of the rectangular bulge and the inclined plane on the adjacent side of the trapezoidal bulge, the switch and the radial arm are self-locked, the self-locking state of the switch and the radial arm is kept when no external force is applied to the switch, when the radial arm rotates in place, the switch is required to be locked, the switch is pressed downwards, the first bulge and the second bulge on the lower surface of the T-shaped elastic part of the switch are lifted by the guide of the inclined plane on the adjacent side of the trapezoidal bulge and the upper surface of the longer part of the rectangular bulge, the T-shaped elastic part is driven to be lifted integrally, the switch continues to move downwards until the hook body below the switch hooks the hook-shaped bulge on the plug shell, so that the radial arm cannot be lifted, meanwhile, the first bulge and the second bulge of the switch are attached to the inclined plane on the other side of the trapezoidal bulge, the self-locking state can be kept when no external force is applied to the radial arm, the locking effect is achieved, and the switch can be lifted only by pulling the switch upwards during unlocking, and unlocking is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490606.2A CN109546445B (en) | 2018-12-07 | 2018-12-07 | Locking device and locking method for high-voltage connector of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490606.2A CN109546445B (en) | 2018-12-07 | 2018-12-07 | Locking device and locking method for high-voltage connector of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546445A CN109546445A (en) | 2019-03-29 |
| CN109546445B true CN109546445B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490606.2A Active CN109546445B (en) | 2018-12-07 | 2018-12-07 | Locking device and locking method for high-voltage connector of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546445B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675665B (en) * | 2021-08-20 | 2024-05-17 | 杭州中盟光电科技有限公司 | Simple locking device of high-voltage connector and mounting method thereof |
| CN114447705B (en) * | 2022-01-21 | 2023-12-01 | 资阳中车电气科技有限公司 | Connector secondary locking structure |
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| CN101501938A (en) * | 2006-06-08 | 2009-08-05 | 莫列斯公司 | Lever type electrical connector |
| CN206712134U (en) * | 2017-03-28 | 2017-12-05 | 深圳市沃尔核材股份有限公司 | High-voltage interlocking connector |
| CN107453145A (en) * | 2017-08-07 | 2017-12-08 | 浙江永贵电器股份有限公司 | A kind of electric connector secondary locking mechanism |
| CN207800406U (en) * | 2018-02-07 | 2018-08-31 | 浙江新力熔断器有限公司 | Service switch |
| CN209418892U (en) * | 2018-12-07 | 2019-09-20 | 沈阳兴华航空电器有限责任公司 | A kind of locking device of electric automobile high-voltage connector |
| CN217589633U (en) * | 2022-06-06 | 2022-10-14 | 四川瑞可达连接系统有限公司 | Connector locking mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7261575B2 (en) * | 2005-03-09 | 2007-08-28 | Tyco Electronics Corporation | Electrical connector and electrical connector assembly having selectively includable lever assist |
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- 2018-12-07 CN CN201811490606.2A patent/CN109546445B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101501938A (en) * | 2006-06-08 | 2009-08-05 | 莫列斯公司 | Lever type electrical connector |
| CN206712134U (en) * | 2017-03-28 | 2017-12-05 | 深圳市沃尔核材股份有限公司 | High-voltage interlocking connector |
| CN107453145A (en) * | 2017-08-07 | 2017-12-08 | 浙江永贵电器股份有限公司 | A kind of electric connector secondary locking mechanism |
| CN207800406U (en) * | 2018-02-07 | 2018-08-31 | 浙江新力熔断器有限公司 | Service switch |
| CN209418892U (en) * | 2018-12-07 | 2019-09-20 | 沈阳兴华航空电器有限责任公司 | A kind of locking device of electric automobile high-voltage connector |
| CN217589633U (en) * | 2022-06-06 | 2022-10-14 | 四川瑞可达连接系统有限公司 | Connector locking mechanism |
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| Publication number | Publication date |
|---|---|
| CN109546445A (en) | 2019-03-29 |
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