CN111806262A - Discharge gun adopting linkage structure - Google Patents

Discharge gun adopting linkage structure Download PDF

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Publication number
CN111806262A
CN111806262A CN202010581436.XA CN202010581436A CN111806262A CN 111806262 A CN111806262 A CN 111806262A CN 202010581436 A CN202010581436 A CN 202010581436A CN 111806262 A CN111806262 A CN 111806262A
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CN
China
Prior art keywords
shell
cover
hook
button
cover body
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Granted
Application number
CN202010581436.XA
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Chinese (zh)
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CN111806262B (en
Inventor
范利海
王伟
李钊
张海
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Priority to CN202010581436.XA priority Critical patent/CN111806262B/en
Publication of CN111806262A publication Critical patent/CN111806262A/en
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Publication of CN111806262B publication Critical patent/CN111806262B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A discharge gun adopting a linkage structure comprises a shell, a lock rod structure and a buckle cover structure, wherein the lock rod structure comprises a lock rod which is rotatably assembled on the shell, a first clamping hook and a button, the first clamping hook and the button are arranged at two ends of the lock rod, the first clamping hook is provided with a locking position which is in stop fit with a corresponding structure on the shell of an external plug, and an unlocking position which is in stop fit with the corresponding structure when the button is pressed; the cover buckling structure comprises a cover body and a linkage part, wherein the cover body is rotatably assembled on the shell, the cover body is provided with a closing position for covering the opening at the tail end of the shell and an opening position which is far away from the tail end of the shell and enables the opening to be opened, and the linkage part is matched with the button stop of the lock rod structure when the cover body is in the opening position so as to limit the first clamping hook to move from the locking position to the unlocking position and avoid the action of hot plugging; when the cover body is in the closed position, the linkage part is separated from the button of the lock rod structure so as to allow the first clamping hook to move from the locking position to the unlocking position, so that the first clamping hook can be unlocked only when the cover body is fastened in place, and the tail end (namely the opposite insertion end) of the shell body is in a sealing state when the shell body is not used.

Description

Discharge gun adopting linkage structure
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a discharge gun adopting a linkage structure.
Background
With the increasing demand of users for the convenient and fast functions of vehicles, when an electric vehicle equipped with a bidirectional vehicle-mounted charger is not charged, the charger inverts the electric energy of a battery into 220V alternating current through the inversion function, and the battery is supplied to the users for use inside or outside the vehicle through a vehicle-mounted 220V special socket or an electric vehicle alternating current charging socket, so that a discharge gun gradually becomes a standard product of the vehicle, and various types of discharge gun products gradually appear on the market.
Through research, a common discharge gun in the market at present is shown in fig. 1, and includes a housing 10, a lock rod structure 20 rotatably assembled on the housing, and a buckle cover structure 30 rotatably assembled on the housing, where the front end of the housing 10 is provided with a socket 101, the tail end of the housing is provided with a plug, and the plug is electrically connected with the socket, the plug is used for being plugged into an automobile charging socket, and the socket is used for being plugged into an external plug (for example, a plug of an external socket); when the discharging gun is not used, the opening at the tail end of the shell is covered by the buckling cover structure 30 for sealing, so that substances such as dust and the like are prevented from falling into the tail end from the opening to influence the transmission performance of the plug; the locking bar structure 20 is used to lock the discharge gun housing and the external plug housing when the discharge gun is in use. The lock rod structure and the buckle cover structure of the discharge gun are designed independently, and the following defects exist: (1) the external plug can be plugged and unplugged randomly in the using process of the discharge gun, a user is in a hot-line operation state because the discharge gun is electrified, and if the hot-line plugging is to be prevented, the external plug can be plugged and unplugged only by adding extra parts; (2) after the discharging gun is used, the situation that the buckling of the buckling cover is not in place cannot be avoided, and if the buckling of the buckling cover is not in place, the sealing of the tail end is failed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a discharge gun adopting a linkage structure, and the aims of preventing hot plugging and ensuring the tail end sealing effect are fulfilled by the linkage design of a lock rod structure and a buckle cover structure on the premise of not increasing parts.
The purpose of the invention is realized by adopting the following technical scheme. The discharge gun adopting the linkage structure comprises a shell, a lock rod structure and a buckle cover structure, wherein the lock rod structure comprises a lock rod which is rotatably assembled on the shell, a first clamping hook and a button, the first clamping hook and the button are arranged at two ends of the lock rod, the first clamping hook is provided with a locking position which is in blocking fit with a corresponding structure on the shell of an external plug in a movement stroke, and an unlocking position which is in blocking fit with the corresponding structure when the button is pressed; the cover buckling structure comprises a cover body rotationally assembled on the shell, and the cover body is provided with a closing position for covering the opening at the tail end of the shell and an opening position for opening the opening far away from the tail end of the shell in a movement stroke; the buckling cover structure also comprises a linkage part which is matched with the button stop of the locking rod structure when the cover body is in the opening position so as to limit the first hook to move from the locking position to the unlocking position, and is separated from the button of the locking rod structure when the cover body is in the closing position so as to allow the first hook to move from the locking position to the unlocking position.
Further, a sealing structure is arranged between the cover body and the tail end of the shell.
Furthermore, a third hook is arranged at the tail end of the shell, and a second hook which is in stop fit with the third hook is arranged on the cover body so as to keep the cover body at a closed position.
Furthermore, an elastic piece used for keeping the cover body at the opening position is arranged between the buckling cover structure and the shell.
Furthermore, another elastic piece used for keeping the first hook at the locking position is arranged between the lock rod structure and the shell.
The discharge gun adopting the linkage structure does not add extra parts, and achieves the following effects through the linkage part:
(1) in the use process, the cover body is in the open position, the linkage part is matched with the button stop of the lock rod structure to limit the first hook from moving from the locking position to the unlocking position, so that the first hook is in the locking position, the locking state of the discharging gun and the external plug is kept, and the action of hot plugging is avoided;
(2) after the use is finished, the cover body is in a closed position, the linkage part and the button of the lock rod structure are separated to meet the unlocking requirement, the unlocking can be realized only under the condition that the cover body is buckled in place, and then the tail end (namely the opposite insertion end) of the shell is in a sealing state under the unused state.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a conventional discharge gun.
Fig. 2A is a schematic view of the discharge gun according to the present invention in use.
Fig. 2B is a schematic diagram of the discharge gun according to the present invention after use.
[ reference numerals ]
10-shell 101-socket 102-third hook 103-step
20-locking bar structure 201-locking bar 202-first hook 203-button
204-cylindrical spring 30-snap cap structure 301-cover body 302-sealing bulge
303-second hook 304-bulge 305-torsion spring
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 2A and 2B, a discharge gun with a linkage structure according to the present embodiment includes a housing 10, a lock rod structure 20, and a cover structure 30. The front end of the shell is provided with a socket 101, the tail end is provided with a plug, and the socket is electrically connected with the plug.
The locking rod structure 20 comprises a locking rod 201, a first hook 202 arranged at the front end of the locking rod and a button 203 arranged at the rear end of the locking rod, wherein the locking rod 201 is rotatably assembled on the shell 10 through a first rotating shaft, the first hook 202 has a locking position and an unlocking position in a movement stroke, and when the locking position is in the locking position, the first hook is in blocking fit with a corresponding structure (such as a step) on the shell of the external plug to lock the discharging gun and the external plug; the first clamping hook is moved to an unlocking position from a locking position by pressing the button 202, and the first clamping hook is separated from a corresponding structure on the shell of the external plug at the moment, so that the external plug can be pulled out from the socket; a first elastic part, preferably a cylindrical spring 204, for keeping the first hook at the locking position is arranged between the locking rod structure and the shell, and the locking rod structure can keep the first hook in stop fit with a corresponding structure on the external plug shell under the action of the cylindrical spring, so that the shell of the external plug is pulled towards the first hook, and the locking state of the discharge gun and the external plug is kept all the time.
The cover buckling structure 30 comprises a cover body 301, the cover body 301 is rotatably assembled at the tail end of the shell through a second rotating shaft, a sealing bulge 302 and a second hook 303 are arranged on the side surface of the cover body 301 facing the tail end of the shell, the cover body 301 has a closing position and an opening position in the movement stroke, the cover body 301 covers the opening at the tail end of the shell when in the closing position, the sealing bulge 302 presses a sealing ring in a sealing groove arranged at the tail end of the shell for sealing, the second hook 303 is in blocking fit with a third hook 102 arranged at the tail end of the shell to keep the cover body at the closing position, and the plug of the discharging gun and the automobile alternating current charging socket cannot be inserted into each other; when the cover body 301 is in the open position, the cover body is in a state of being flush or basically flush with the axis of the shell, the opening at the tail end of the shell is in an open state, and the plug of the discharging gun and the automobile alternating-current charging socket can be plugged in the open state. The cover-fastening structure 30 further includes a linkage portion that cooperates with the button stop of the lock rod structure to limit the first hook from moving from the locking position to the unlocking position when the cover is in the open position, and separates from the button of the lock rod structure to allow the first hook to move from the locking position to the unlocking position when the cover is in the closed position. In this embodiment, the linkage portion is a protrusion 304 disposed on the other side surface of the cover 301 facing away from the tail end of the housing, when the cover is in the open position, the protrusion 304 is located below the button 202 to limit the protrusion, the button cannot be pressed, and the first hook cannot move from the locking position to the unlocking position; when the cover is in the closed position, the protrusion 304 moves out from the position right below the button, the button can be pressed down, and the first hook can move from the locking position to the unlocking position.
As a preferred embodiment, in the present embodiment, a second elastic member, preferably a torsion spring 305 sleeved on the second rotating shaft, is disposed between the buckle cover structure 30 and the housing 10 for keeping the cover body in the open position, and under the action of the torsion spring 305, when the second hook 303 is disengaged from the third hook 102, the cover body 301 moves from the closed position to the open position and keeps in the open position, so that the linkage portion keeps in blocking engagement with the button of the lock rod structure.
As a preferred embodiment, in order to ensure that the first hook returns to the correct position under the action of the cylindrical spring, the present embodiment provides a step 103 at the front end of the housing 10, and the step 103 supports the first hook 202 when the discharge gun is not in use.
When the discharging gun is used, the external plug is inserted into the socket 101 of the discharging gun and locked by the locking rod mechanism, and the first hook 202 is in the locking position; then the second hook and the third hook are separated to make the cover body 301 in an open position, at the moment, the opening at the tail end of the shell is in an open state, the plug of the discharging gun is oppositely inserted into the automobile alternating current charging socket, the external plug is in a power-on state, and a user can use related electric appliances (such as a notebook) outside the automobile by means of the socket connected with the external plug; in the whole using process, the bulge 304 keeps the stop matching with the button 203, the button cannot be pressed down, the first hook cannot move from the locking position to the unlocking position, and the locking rod structure keeps the locking state, so that the hot plugging phenomenon is avoided. After the discharging gun is used, firstly, the plug of the discharging gun is pulled out of the automobile alternating current charging socket, and the cover body 301 is pressed down to be in a closed position, so that the opening at the tail end of the shell is ensured to be in a sealed state; because the discharge gun has disconnected, the external plug is in the outage state this moment, simultaneously because protruding and button have separated, presses button 203, and first pothook is by locking position to the position removal of unblock, and the locking lever structure is in the unblock state, and it can to extract the external plug.
In other embodiments, the second elastic member may not be disposed between the buckle structure and the housing, and when the cover is opened, the cover is kept in the open position by the housing of the ac charging socket, so that the linkage portion forms a stop fit with the button of the lock rod structure.
In other embodiments, the sealing protrusion may be disposed at the rear end of the housing, and the sealing groove and the sealing ring may be disposed on the side of the cover body facing the rear end of the housing.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.

Claims (5)

1. A discharge gun adopting a linkage structure comprises a shell, a lock rod structure and a buckle cover structure, wherein the lock rod structure comprises a lock rod which is rotatably assembled on the shell, a first clamping hook and a button, the first clamping hook and the button are arranged at two ends of the lock rod, the first clamping hook is provided with a locking position which is in stop fit with a corresponding structure on an external plug shell in a movement stroke, and an unlocking position which is in stop fit when the button is pressed; the cover buckling structure comprises a cover body rotationally assembled on the shell, and the cover body is provided with a closing position for covering the opening at the tail end of the shell and an opening position for opening the opening far away from the tail end of the shell in a movement stroke; the locking mechanism is characterized in that the buckling cover structure further comprises a linkage part which is matched with the button stop of the locking rod structure when the cover body is in the opening position so as to limit the first hook to move from the locking position to the unlocking position, and is separated from the button of the locking rod structure when the cover body is in the closing position so as to allow the first hook to move from the locking position to the unlocking position.
2. The electric discharge gun with linkage structure as claimed in claim 1, wherein a sealing structure is provided between the cover and the rear end of the housing.
3. The discharging gun with linkage structure as claimed in claim 1, wherein the end of the housing has a third hook, and the cover has a second hook engaged with the third hook to keep the cover in the closed position.
4. The electric discharge gun with linkage structure as claimed in claim 1, wherein an elastic member is disposed between the cover structure and the housing for keeping the cover in the open position.
5. A discharge gun with a linkage structure according to any one of claims 1-4, wherein another elastic member is provided between the lock lever structure and the housing for holding the first hook in the locked position.
CN202010581436.XA 2020-06-23 2020-06-23 Discharge gun adopting linkage structure Active CN111806262B (en)

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Application Number Priority Date Filing Date Title
CN202010581436.XA CN111806262B (en) 2020-06-23 2020-06-23 Discharge gun adopting linkage structure

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Application Number Priority Date Filing Date Title
CN202010581436.XA CN111806262B (en) 2020-06-23 2020-06-23 Discharge gun adopting linkage structure

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CN111806262A true CN111806262A (en) 2020-10-23
CN111806262B CN111806262B (en) 2022-05-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116923134A (en) * 2023-09-18 2023-10-24 贵阳中安科技集团有限公司 Positioning device for charging wire of new energy automobile

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1049210A1 (en) * 1999-04-26 2000-11-02 The Whitaker Corporation Connector cover
JP2015076264A (en) * 2013-10-09 2015-04-20 トヨタ自動車株式会社 Discharge connector
CN207772924U (en) * 2017-12-19 2018-08-28 北京新能源汽车股份有限公司 Electric discharge device and vehicle with it
CN208336754U (en) * 2018-07-10 2019-01-04 张家港友诚新能源科技股份有限公司 A kind of vehicle-mounted power adapter
CN109411942A (en) * 2018-10-23 2019-03-01 常州中电新能电器科技有限公司 The AC charging rifle of New-energy electric vehicle
CN208782142U (en) * 2018-09-18 2019-04-23 广州高力电缆附件有限公司 A kind of low-voltage cable quick coupling
CN209795226U (en) * 2019-04-10 2019-12-17 瑞安达光电科技有限公司 Hand-held type rifle that charges based on new energy automobile
CN110707466A (en) * 2019-11-12 2020-01-17 顺科新能源技术股份有限公司 Connector locking device
CN209981621U (en) * 2019-05-28 2020-01-21 惠州市开关厂 Connection insertion device and emergency power distribution cabinet

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1049210A1 (en) * 1999-04-26 2000-11-02 The Whitaker Corporation Connector cover
JP2015076264A (en) * 2013-10-09 2015-04-20 トヨタ自動車株式会社 Discharge connector
CN207772924U (en) * 2017-12-19 2018-08-28 北京新能源汽车股份有限公司 Electric discharge device and vehicle with it
CN208336754U (en) * 2018-07-10 2019-01-04 张家港友诚新能源科技股份有限公司 A kind of vehicle-mounted power adapter
CN208782142U (en) * 2018-09-18 2019-04-23 广州高力电缆附件有限公司 A kind of low-voltage cable quick coupling
CN109411942A (en) * 2018-10-23 2019-03-01 常州中电新能电器科技有限公司 The AC charging rifle of New-energy electric vehicle
CN209795226U (en) * 2019-04-10 2019-12-17 瑞安达光电科技有限公司 Hand-held type rifle that charges based on new energy automobile
CN209981621U (en) * 2019-05-28 2020-01-21 惠州市开关厂 Connection insertion device and emergency power distribution cabinet
CN110707466A (en) * 2019-11-12 2020-01-17 顺科新能源技术股份有限公司 Connector locking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116923134A (en) * 2023-09-18 2023-10-24 贵阳中安科技集团有限公司 Positioning device for charging wire of new energy automobile
CN116923134B (en) * 2023-09-18 2023-11-17 贵阳中安科技集团有限公司 Positioning device for charging wire of new energy automobile

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