CN108521051B - Secondary locking and time-delay unlocking structure - Google Patents
Secondary locking and time-delay unlocking structure Download PDFInfo
- Publication number
- CN108521051B CN108521051B CN201810618982.9A CN201810618982A CN108521051B CN 108521051 B CN108521051 B CN 108521051B CN 201810618982 A CN201810618982 A CN 201810618982A CN 108521051 B CN108521051 B CN 108521051B
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- lock
- delay
- plug
- secondary locking
- hook
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- 230000003111 delayed effect Effects 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- 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
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a secondary locking and delay unlocking structure which comprises a socket shell, a plug shell and a secondary locking sliding block, wherein the socket shell is detachably connected with the plug shell, the plug shell and the secondary locking sliding block. According to the secondary locking and time-delay unlocking structure provided by the invention, the separation process of the plug and the socket of the high-voltage connector is split into three steps, so that the separation time difference between the power connector and the signal connector is prolonged, the current is ensured to be disconnected in advance when the power connector is completely separated, and the problem that the existing high-voltage connector is easy to generate arcing phenomenon due to too fast separation of the plug and the socket, and the power connector and operators are damaged is solved; the secondary locking slide block and the plug shell are provided with the stop structure, before the plug and the socket are not plugged, the secondary locking slide block cannot be pushed into the plug shell and is always in an unlocking state, and when the plug and the socket are sequentially locked in a delayed mode and locked once, the secondary locking slide block can be pushed into the plug and the socket after the time delay locking and the primary locking are sequentially completed.
Description
Technical Field
The invention relates to the field of high-voltage connectors, in particular to a secondary locking and time-delay unlocking structure.
Background
The electric connector generally comprises a plug and a socket, reliable connection of the plug and the socket is realized through a locking structure, and a power connector side in the electric connector can be contacted after the plug and the socket are plugged. The high-voltage connector also usually has a high-voltage interlocking function, namely, after the power connector is physically connected, the signal connector is also required to control the conduction of the power connector, and then the high-voltage loop can start to be electrified; similarly, when the high-voltage circuit is disconnected, the signal connector is disconnected firstly, the current of the high-voltage circuit is cut off, and then the connection of the power connector is disconnected.
Most of the existing high-voltage connectors adopt a buckle locking structure, and the plug and the socket are plugged and separated through elastic deformation of the buckle. However, in the actual operation process, the separation speed of the plug and the socket may be fast, so that the separation process of the signal connector and the power connector is not stopped, and the signal connector and the power connector are disconnected almost simultaneously. At this time, the electrical components are easy to arc, the service life is influenced, and the risk of accidental electric shock of operators also exists.
Disclosure of Invention
In order to solve the technical problems, the invention provides a secondary locking and delay unlocking structure, which ensures that current is disconnected in advance when a power connector in a high-voltage loop is completely separated, and improves the safety of an electric connector.
The invention solves the technical problems and adopts the following technical scheme:
the secondary locking and time-delay unlocking structure comprises a socket shell, a plug shell and a secondary locking slide block, wherein the socket shell is detachably connected with the plug shell, the plug shell and the secondary locking slide block;
a rectangular cavity is formed in one side face of the plug shell in a protruding mode, a primary lock button and a delay lock button are connected to the outer surface of the cavity through a cantilever structure, a primary lock hook and a delay lock hook are arranged on the inner surface of the cavity, a positioning boss is arranged on the inner side face of the cavity, and a secondary lock hanging table is arranged at the joint of the cavity and the interior of the plug shell;
a spring plate is arranged on one side surface of the socket shell, the spring plate is connected to the socket shell through a cantilever, a primary locking groove is arranged in the middle of the end part of the spring plate, and delay locking platforms are arranged on two sides of the primary locking groove;
the middle parts of the upper surface and the lower surface of the front end of the secondary locking sliding block are respectively provided with an anti-loosening boss and an anti-loosening hook, and locking hooks are arranged on two sides of the anti-loosening hooks and the anti-loosening bosses.
Further, the secondary locking slide block is mounted inside the plug housing through sliding fit.
Further, the rear end of the secondary locking sliding block is provided with a non-slip protrusion.
Further, the primary lock button, the delay lock button and the spring plate are arranged along the central axes of the socket shell and the plug shell.
Further, the positioning boss is located at a position between the projections of the inner side surfaces of the cavity of the primary lock hook and the delay lock hook.
Further, a gap is arranged between the primary lock button and the time delay lock button.
Further, a gap is arranged between the primary lock hook and the delay lock hook.
The beneficial effects of the invention are as follows:
the invention provides a secondary locking and time-delay unlocking structure, which divides the separation process of a plug and a socket of a high-voltage connector into three steps, prolongs the separation time difference of a power connector and a signal connector, ensures that current is disconnected in advance when the power connector is completely separated, and solves the problem that the existing high-voltage connector is easy to generate arcing phenomenon due to too fast separation of the plug and the socket, and damages the power connector and operators;
the secondary locking slide block and the plug shell are provided with the stop structure, before the plug and the socket are not plugged, the secondary locking slide block cannot be pushed into the plug shell and is always in an unlocking state, and when the plug and the socket are sequentially locked in a delayed mode and locked once, the secondary locking slide block can be pushed into the plug and the socket after the time delay locking and the primary locking are sequentially completed. The locking structure can avoid the problems that a user pushes the secondary locking sliding block to the locking position by mistake in the plugging process, the locking structure is damaged due to the fact that the plug cannot be inserted or forcibly inserted, and the service life of the locking structure of the connector is prolonged. Compared with the prior art, the invention has the advantages of safety, reliability, long service life and the like, is particularly suitable for the use requirement of new energy automobiles on high-voltage connectors, and has high use value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the practical drawings required in the embodiments or the prior art description, and it is obvious that the drawings in the following description are only some embodiments of the present embodiments, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a plug housing of the present invention;
FIG. 3 is a schematic view of a secondary lock slide of the present invention;
FIG. 4 is a schematic partial cross-sectional view of a plug housing and secondary locking slide of the present invention;
FIG. 5 is a schematic view of a partial cross section of a delay lock of the present invention with primary and secondary locks unlocked;
FIG. 6 is a schematic view of a delayed, primary lock in partial cross section with secondary lock unlocking in accordance with the present invention;
FIG. 7 is a schematic view in partial cross-section of a locking mechanism in accordance with the present invention;
wherein, the names corresponding to the reference numerals in the drawings are:
1. the socket comprises a socket shell, a plug shell, a secondary locking sliding block, a primary lock button, a delay lock button, a secondary lock hanging table, a primary lock hook, a delay lock hook, a positioning boss, a spring plate, a primary lock hanging groove, a delay lock hanging table, an anti-falling hook, a locking hook, an anti-slip boss and an anti-loosening boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In a specific embodiment, as shown in fig. 1-3, a secondary locking and time-delay unlocking structure of the present invention includes a socket housing 1, a plug housing 2 and a secondary locking slide 3, where the socket housing 1 is detachably connected with the plug housing 2, and the plug housing 2 is detachably connected with the secondary locking slide 3; a rectangular cavity is formed in one side surface of the plug shell 2 in a protruding mode, a primary lock button 4 and a delay lock button 5 are connected to the outer surface of the cavity through a cantilever structure, a primary lock hook 7 and a delay lock hook 8 are arranged on the inner surface of the cavity, a positioning boss 9 is arranged on the inner side surface of the cavity, and a secondary lock hanging table 6 is arranged at the joint of the cavity and the interior of the plug shell 2; a spring plate 10 is arranged on one side surface of the socket shell 1, the spring plate 10 is connected to the socket shell 1 through a cantilever, a primary locking groove 11 is arranged in the middle of the end part of the spring plate 10, and delay locking tables 12 are arranged on two sides of the primary locking groove 11; the middle parts of the upper surface and the lower surface of the front end of the secondary locking sliding block 3 are respectively provided with an anti-loosening boss 16 and an anti-loosening hook 13, and locking hooks 14 are arranged on two sides of the anti-loosening hook 13 and the anti-loosening boss 16. The secondary locking and time-delay unlocking structure provided by the invention divides the separation process of the plug and the socket of the high-voltage connector into three steps, prolongs the separation time difference of the power connector and the signal connector, ensures that the current is disconnected in advance when the power connector is completely separated, and solves the problem that the existing high-voltage connector is easy to generate arcing phenomenon due to too fast separation of the plug and the socket, and damages the power connector and the personnel of operators.
In a specific embodiment, as shown in fig. 1-3, the secondary locking slide 3 is mounted inside the plug housing 2 by a slip fit. The rear end of the secondary locking slide block 3 is provided with a non-slip protrusion 15. The primary lock button 4, the time delay lock button 5, and the spring piece 10 are arranged along the central axes of the socket housing 1 and the plug housing 2. The secondary locking slide block is provided with a stop structure between the secondary locking slide block and the plug shell, the secondary locking slide block cannot be pushed into the plug shell before the plug and the socket are plugged, and the secondary locking slide block can be pushed into the plug shell after the plug and the socket are sequentially locked in a delayed mode and locked for one time. The locking structure can avoid the problems that a user pushes the secondary locking sliding block to the locking position by mistake in the plugging process, the locking structure is damaged due to the fact that the plug cannot be inserted or forcibly inserted, and the service life of the locking structure of the connector is prolonged.
The positioning boss 9 is located between the projections of the primary lock hook 7 and the delay lock hook 8 on the inner side surface of the cavity.
Here, a gap is provided between the primary lock button 4 and the time delay lock button 5.
The gap is arranged between the primary lock hook 7 and the delay lock hook 8.
As shown in fig. 2, before the plug is plugged into the socket, the locking hook 14 abuts against the positioning boss 9, so that the plug housing cannot be pushed in, and the secondary locking slide block 3 is in an unlocking state.
As shown in fig. 3, when the plug housing 2 is inserted into the socket housing 1, the delay lock hook 8 on the plug housing 2 is first contacted with the delay lock hanging table 12 on the elastic sheet 10, and the elastic sheet 10 is pressed by the delay lock hook 8 to tilt inwards, so that the delay lock hanging table 12 slides away from the surface of the delay lock hook 8 until the delay lock hanging table 12 is connected with the delay lock hook 8. At this time, the delay locking is completed, the power connector is conducted, and the signal connector is still disconnected; similarly, as shown in fig. 4, the plug housing 2 is further inserted into the socket housing 1, and the primary latch hook 7 contacts with the primary latch hook groove 11 until the primary latch hook 7 is completely placed in the primary latch hook groove 11, and at this time, primary locking is completed, and both the power connector and the signal connector are in a conductive state. As shown in fig. 5, when the primary locking is completed, the locking hook 14 on the secondary locking slide block 3 is extruded, and is tilted to the upper part of the positioning boss 9 under the action of the cantilever, the pushing state is released, the anti-slip protrusion 15 on the secondary locking slide block 3 is pressed to push the secondary locking slide block 3 into the plug housing 2, at this time, the secondary locking is completed, the anti-loosening boss 16 on the secondary locking slide block 3 is positioned at the inner side of the latch 10, so that the latch 10 cannot tilt inwards, the primary locking hook 7 is prevented from being separated from the primary locking hanging groove 11 due to vibration or misoperation of personnel, and the reliability of primary locking is enhanced.
When unlocking, the secondary locking slide block 3 is pulled out until the anti-falling hook 13 is fastened on the secondary locking hanging table 6, so that the secondary locking slide block 3 can be prevented from being pulled out continuously and then falling out of the plug shell 2. The anti-loosening boss 16 withdraws from the inner side of the latch 10 in the process that the secondary locking slide block 3 is pulled out, at the moment, the secondary locking is released, and the latch 10 can tilt inwards; as shown in fig. 4, when the plug housing 2 is pulled out, the primary lock button 4 is pressed to force the latch 10 to tilt inwards, the primary lock hook 7 is pulled out from the primary lock hanging groove 11, the plug is pulled out until the delay lock hanging table 12 abuts against the delay lock hook 8, at the moment, the primary lock is released, the signal connector is disconnected, and the power connector is still connected; similarly, as shown in fig. 3, pressing the delay lock button 5 forces the delay lock hanging table 12 to separate from the delay lock hook 8, at this time, the delay unlocking is completed, the signal connector and the power connector are disconnected, the plug housing 2 can be pulled out from the socket housing 1, and the plug and socket are completely separated.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (7)
1. The secondary locking and time-delay unlocking structure comprises a socket shell, a plug shell and a secondary locking slide block, wherein the socket shell is detachably connected with the plug shell, the plug shell and the secondary locking slide block;
a rectangular cavity is formed in one side face of the plug shell in a protruding mode, a primary lock button and a delay lock button are connected to the outer surface of the cavity through a cantilever structure, a primary lock hook and a delay lock hook are arranged on the inner surface of the cavity, a positioning boss is arranged on the inner side face of the cavity, and a secondary lock hanging table is arranged at the joint of the cavity and the interior of the plug shell;
a spring plate is arranged on one side surface of the socket shell, the spring plate is connected to the socket shell through a cantilever, a primary locking groove is arranged in the middle of the end part of the spring plate, and delay locking platforms are arranged on two sides of the primary locking groove;
an anti-loosening boss and an anti-loosening hook are respectively arranged in the middle of the upper surface and the lower surface of the front end of the secondary locking sliding block, and locking hooks are arranged on two sides of the anti-loosening hook and the anti-loosening boss;
when the time delay is locked, the time delay lock hanging table is connected with the time delay lock hanging hook, when the time delay lock hanging table is locked once, the time delay lock hanging hook is arranged in the time delay lock hanging groove, when the time delay lock hanging table is locked twice, the anti-loose boss is positioned on the inner side of the elastic piece, and at the moment, the time delay lock and the time delay lock are realized.
2. The secondary lock and delay unlock structure of claim 1 wherein said secondary lock slide is mounted within said plug housing by a slip fit.
3. The secondary locking and delayed unlocking structure as claimed in claim 1, wherein the rear end of said secondary locking slide is provided with a non-slip protrusion.
4. The secondary lock and delay unlock structure of claim 1 wherein said primary lock button, said delay lock button and said spring are aligned along a central axis of said jack housing and said plug housing.
5. The secondary lock and delay unlock structure of claim 1 wherein said positioning boss is located between said primary lock hook and said delay lock hook in a projection of said cavity inner side.
6. The secondary lock and delay unlock structure of claim 1 wherein a gap is provided between said primary lock button and said delay lock button.
7. The secondary lock and delay unlock structure of claim 1, wherein a gap is provided between said primary lock hook and said delay lock hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618982.9A CN108521051B (en) | 2018-06-15 | 2018-06-15 | Secondary locking and time-delay unlocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618982.9A CN108521051B (en) | 2018-06-15 | 2018-06-15 | Secondary locking and time-delay unlocking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108521051A CN108521051A (en) | 2018-09-11 |
| CN108521051B true CN108521051B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810618982.9A Active CN108521051B (en) | 2018-06-15 | 2018-06-15 | Secondary locking and time-delay unlocking structure |
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| CN (1) | CN108521051B (en) |
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| CN109787039B (en) * | 2019-03-27 | 2024-04-12 | 南京康尼新能源汽车零部件有限公司 | Spanner type locking fastening device |
| CN110061383A (en) * | 2019-04-11 | 2019-07-26 | 乐清市八达光电科技股份有限公司 | A kind of connector |
| CN112436333A (en) * | 2020-11-13 | 2021-03-02 | 深圳市锦凌电子有限公司 | Connector with two safety lock functions |
| CN113036531B (en) * | 2021-03-04 | 2023-03-21 | 宣城立讯精密工业有限公司 | Locking structure and electric connector |
| CN113959257A (en) * | 2021-10-18 | 2022-01-21 | 湖南航天机电设备与特种材料研究所 | Missile individual soldier launching tube |
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|---|---|
| CN108521051A (en) | 2018-09-11 |
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