CN207517986U - A kind of manual maintenance switch - Google Patents
A kind of manual maintenance switch Download PDFInfo
- Publication number
- CN207517986U CN207517986U CN201721739963.9U CN201721739963U CN207517986U CN 207517986 U CN207517986 U CN 207517986U CN 201721739963 U CN201721739963 U CN 201721739963U CN 207517986 U CN207517986 U CN 207517986U
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- CN
- China
- Prior art keywords
- locking plate
- handle
- plate
- shell
- locked groove
- 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.)
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a kind of manual maintenance switches, belong to electric passenger vehicle technical field.The manual maintenance switch of the utility model includes socket and the plug being detachably connected with socket；Plug includes first shell and handle, and one end of handle is movably connected on the lateral wall of first shell, and the other end of handle, which is respectively provided with, locks handle to a locking plate of first shell and the secondary locking plate for locking a locking plate；Locking plate is set to the inside of handle and the first locked groove of the lateral wall with being set to first shell coordinates；Secondary locking plate is slidably mounted on handle, and secondary locking plate includes the lock tongue being located on the inside of handle and the limiting plate being connect with lock tongue, lock tongue and the second locked groove cooperation for being arranged on a locking plate side, and limiting plate is slidably connected with a locking plate.The utility model possesses reliable retaining mechanism, and tool can be attached there are three types of direction with outside, and the unlock operation direction of product is convenient in small space operation on the length direction of product.
Description
Technical field
The utility model is related to electric passenger vehicle technical fields, and in particular to a kind of manual maintenance switch.
Background technology
Due to switching corresponding professional standard not yet currently used for the manual maintenance of New energy electric passenger car, on the market
It is most all without reliable primary locking and secondary locking mechanism, most products tail for the manual maintenance switch of riding electric vehicle
Portion's locking wire can only be attached in single direction, and unlock is all not easy in the width direction of product in the place of narrow space
Carry out locking and unlocking operation.
Utility model content
The purpose of this utility model is to provide a kind of manual maintenance switches, are imitated with solving existing manual maintenance switch locking
The problem of fruit is bad.
The technical solution that the utility model solves above-mentioned technical problem is as follows：
A kind of manual maintenance switch, including：Socket and the plug being detachably connected with socket；Plug includes first shell
And handle, one end of handle are movably connected on the lateral wall of first shell, the other end of handle is respectively provided with grip handle lock
The tightly secondary locking plate to a locking plate of first shell and for locking a locking plate；One time locking plate is set to the interior of handle
Side, the first locked groove of lateral wall of the locking plate with being set to first shell coordinate；Secondary locking plate is slidably mounted on handle, and two
Secondary locking plate includes being located at the lock tongue on the inside of handle and the limiting plate that connect with lock tongue, and lock tongue is with being arranged on locking plate side
Second locked groove coordinates, and limiting plate is slidably connected with a locking plate.
The utility model is by setting a locking plate and secondary locking plate to form double retaining mechanism, reliable lock, long lifespan.
Specifically, the locking plate that the first shell for making handle and socket is locked is set to the inside of handle by the utility model, therewith
First locked groove of cooperation is set to the outer wall of first shell, and such setting is so that the unlock operation direction of a locking plate is (separate
Product) direction of motion (close to product) when being unlocked with handle in itself is on the contrary, it is possible thereby to effectively avoid because maloperation is primary
Locking plate and entire product is opened.In addition, in order to which a locking plate is further avoided to be unlocked in error, the utility model exists
Side close to a locking plate sets secondary locking plate.The lock tongue of secondary locking plate and the second locked groove being set on the inside of handle coordinate,
For locking secondary locking plate in itself, the limiting plate of secondary locking plate applies one when itself is in locking state, to a locking plate
The external force close to the first locked groove so that one time locking plate is tightly stuck in the first locked groove, achievees the purpose that lock a locking plate.
Moreover, the unlocking direction of a locking plate, along product length direction, the unlocking direction of secondary locking plate slidably reciprocates along handle end, belong to
In the width direction of product, the two directions are mutually perpendicular to so that the locking function of manual maintenance switch is very reliable.And it is needing
, only need to be successively by secondary locking plate, a locking plate unlock when unlocking, concrete operations mode is described in detail below.
Therefore, the utility model not only increases secondary locking plate as the second heavy retaining mechanism, and a locking plate is in itself
Due to its unique structure design, itself is also not easy to be unlocked, and the unlocking direction of the two is mutually perpendicular in addition, in time primary lock
In the case of piece locking disabler, secondary locking plate remains able to ensure normally to lock, conversely, secondary locking plate fails, it is primary to lock
Piece itself also can guarantee normal locking.
Further, in the utility model preferred embodiment, above-mentioned limiting plate includes stopper protrusion and and backstop
The limited step of protrusion connection, stopper protrusion and limited step may be contained within side limiting plate and corresponding with a locking plate,
Stopper protrusion coordinates with a clip shape, and the difference in height between stopper protrusion and limited step is to unlock the activity of a locking plate
Gap.
The limiting plate of the utility model includes the stopper protrusion that locking plate of blocking is detached from the first locked groove, passes through stopper protrusion
Locking plate is held out against to the first locked groove, meanwhile, it is formed in the side of stopper protrusion empty for unlocking the activity of a locking plate
Gap, in order to locking plate is moved toward the direction far from the first locked groove be unlocked when, there are enough operating spaces.
Further, in the utility model preferred embodiment, above-mentioned limiting plate, which further includes, to be set on limiting plate
Strip bulge.
The strip bulge is handgrip part, moves secondary locking plate convenient for hand push and moves back and forth along handle bar body, to be unlocked
And locking action.
Further, in the utility model preferred embodiment, above-mentioned secondary locking plate further includes what is connect with limiting plate
Positioning plate, positioning plate is located at the outside of handle, and positioning plate coordinates with handle shapes.The utility model it is signified " shape is matched
Close " refer to that two components are mutually matched in external shape contour, surface is bonded to each other together.
The positioning plate of the utility model forms clamp structure with lock tongue, thus by secondary locking plate integral retaining on handle,
Guiding and the effect of the secondary locking plate of positioning are also acted as simultaneously, avoid sliding not smooth.
Further, in the utility model preferred embodiment, above-mentioned handle includes the mounting platform of sinking, primary to lock
Piece is set to the inside of mounting platform and protruding upward relative to the mounting surface of mounting platform, and it is flat that secondary locking plate is fastened on installation
On platform, limiting plate and the mounting surface of secondary locking plate are slidably connected.
The mounting platform of the utility model is mainly used for setting secondary locking plate, promotes secondary locking plate flat in installation by hand push
It is slided on the mounting surface of platform.Since mounting platform sinks relative to grip surface, which form for accommodating a locking plate and two
The space of secondary locking plate so that entire grip structure is compact, and also defines the range that secondary locking plate slides, and is playing locking
Or secondary locking plate is also avoided to be slipped in sliding process while unlock effect.
Further, in the utility model preferred embodiment, above-mentioned mounting platform includes being arranged side by side in primary lock
The secondary locking block of piece side, secondary locking block include planing surface and the mating surface being connect with planing surface, and planing surface is located at two
The top of secondary latch segment and parallel with mounting surface, mating surface, which is located in the side of secondary locking block and mating surface, offers
Two locked grooves.
The secondary locking block of the utility model is primarily used to form the second locked groove coordinated with the lock tongue of secondary locking plate, convenient
Cooperation.The planing surface and mating surface of secondary locking block play the role of the secondary locking plate of positioning, especially during annular, help
Secondary locking plate is swimmingly slipped into the second locked groove.
Further, in the utility model preferred embodiment, above-mentioned second locked groove includes top locked groove and setting
Bottom locked groove below the locked groove of top, top locked groove perforation planing surface and mating surface, bottom locked groove are set to mating surface；It is secondary
The lock tongue of locking plate includes the first lock tongue and the second lock tongue, and the first lock tongue coordinates with bottom locked groove, and the second lock tongue is set to the first lock
Between tongue and positioning plate, and the second lock tongue coordinates with top locked groove.
The secondary locking plate of the utility model also using double locking mode, passes through two lock tongues (the first lock tongue and the second lock
Tongue) coordinate with the top locked groove on secondary locking block and bottom locked groove, further strengthen locking effect.First lock tongue is caught in cooperation
In bottom locked groove on face, the second lock tongue slides on planing surface, and is slipped into perforation planing surface and the top locked groove of mating surface
In.
Further, in the utility model preferred embodiment, above-mentioned socket include second shell and connecting pole, second
The top of housing is connect with first shell, and the bottom of second shell is connect with connecting pole, offers to install hand on connecting pole
The connecting hole of dynamic maintenance switch.
The utility model sets connecting pole in socket bottom, is set by the side different location (different direction) in connecting pole
Put with the external connecting hole being attached, so as to fulfill being mutually perpendicular to or parallel multi-direction connection, overcome existing manual dimension
Shield switch can only be single direction connects the defects of.
Further, in the utility model preferred embodiment, above-mentioned connecting pole to far from second shell bottom side
To extension, connecting hole is set to the side wall of connecting pole and/or is set to the bottom wall of the separate second shell of connecting pole.
When connecting hole is arranged on the side wall of connecting pole, at least two directions are formed in the horizontal plane：Perpendicular to paper and
The direction of paper is parallel to, the inclined direction that can also be formed between the two directions.When connecting hole is arranged on connecting pole
During bottom wall, that is, form the connection direction of vertical direction.
Further, in the utility model preferred embodiment, above-mentioned connecting pole is prism, and connecting hole is screw thread
Hole.
The utility model has the advantages that：
The utility model passes through the enough primary locking of a locking plate on handle and secondary locking plate and secondary locking function.
The unlocking direction of locking plate of the utility model is opposite with the direction of handlebar unlocking operation, and (unlocking direction of handle is in product
Length direction and to close to product center direction；The unlocking direction of locking plate is in product length direction and far from product center
Direction), in this way it is possible to prevente effectively from accidentally pressing product plug and socket situation about detaching immediately after a locking plate.
The operation direction for the secondary locking plate that the utility model assembles on handle and the operation side of a locking plate on handle
To vertical, locking plate secondary in this way can effectively limit the unlocking motion of locking plate of handle, while the secondary locking plate after unlocking is again not
Interfered when shrapnel can be once locked by operating handle, lock more reliable, locking mechanism longer life expectancy.
The utility model sets connecting pole on socket, the side of connecting pole different location can be equipped with outside into
The connecting hole that row is threadedly coupled is mutually perpendicular to or parallel multi-direction connection with realizing.
Manual maintenance switch described in the utility model patent possesses reliable primary locking and secondary locking mechanism, product
Tail portion is gathered around simultaneously can be attached there are three types of direction with outside, and the unlock operation direction of product is on the length direction of product, side
Just it is operated in small space.
Description of the drawings
Fig. 1 is the structure diagram that the manual maintenance of the utility model embodiment switchs；
Fig. 2 is the exploded view of plug that the manual maintenance of the utility model embodiment switchs；
Fig. 3 is the assembling schematic diagram that the manual maintenance of the utility model embodiment switchs；
Fig. 4 is the partial enlarged view at A in Fig. 2；
Fig. 5 is the exploded view of socket that the manual maintenance of the utility model embodiment switchs；
Fig. 6 is the operational flowchart of the manual maintenance switch unlock of the utility model embodiment.
In figure：100- manual maintenances switch；10- plugs；110- first shells；111- plug upper covers；112- plug lower covers；
The first locked grooves of 113-；120- handles；Locking plate of 121-；Bis- locking plates of 122-；123- mounting platforms；124- mounting surfaces；125-
Second locked groove；126- limiting plates；127- stopper protrusions；128- limited steps；129- positioning plates；130- strip bulges；131- is pushed up
Portion's locked groove；132- bottoms locked groove；The first lock tongues of 133-；The second lock tongues of 134-；135- secondary locking blocks；136- planing surfaces；137-
Mating surface；20- sockets；210- second shells；211- socket upper covers；212- socket lower covers；220- connecting poles；221- connecting holes；
30- fuses band needle assemblies；40- contact pins.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Embodiment
The structure diagram of the manual maintenance switch 100 of the utility model embodiment that Fig. 1 is shown is please referred to, is tieed up manually
Shield switch 100 is mainly including socket 20 and the plug 10 being detachably connected with socket 20.In addition, manual maintenance switch 100 is also
Including：Two contact pins 40 that the fuse being arranged in plug 10 is transmitted with needle assemblies 30 and with high current, as shown in Figure 2.
Fuse can be fixed between two contact pins 40 and carries out short-circuit protection, copper bar can be also directly connected to and play the role of switch.On socket 20
Equipped with two with contact pin 40 to slotting jack (not shown), jack tail portion need to be electrically connected with outside.The utility model simultaneously
The manual maintenance switch 100 of embodiment is additionally provided with one group of signal contacts pair, is used for transmission 20 connection status of plug 10 and socket
Signal.
The exploded view of plug 10 illustrated in fig. 2 is please referred to, plug 10 includes first shell 110 and handle 120.First shell
Body 110 includes plug upper cover 111 and plug lower cover 112, and plug upper cover 111 and plug lower cover 112 are connected and are formed and be used for
Accommodate cavity of the fuse with needle assemblies 30.As shown in figure 3, the end face corresponding with 120 free end of handle in first shell 110
Equipped with the first locked groove 113.
As depicted in figs. 1 and 2, one end of handle 120 is movably connected on the lateral wall of first shell 110, handle 120 it is another
One end, which is respectively provided with, locks handle 120 to a locking plate 121 of first shell 110 and for locking a locking plate
121 secondary locking plate 122.Handle 120 and being flexibly connected for first shell 110 are preferably hinged.
Partial enlarged view as shown in Figure 4, handle 120 include the mounting platform 123 of sinking.Mounting platform 123 is included simultaneously
Row is set to the secondary locking block 135 of 121 side of locking plate.Secondary locking block 135 includes planing surface 136 and and planing surface
The mating surface 137 of 136 connections.Planing surface 136 is located at the top of secondary locking block 135 and parallel with mounting surface 124.Mating surface
137 offer the second locked groove 125 on the side of secondary locking block 135 and mating surface 137.
The partial enlarged view of Fig. 4 is please referred to, a locking plate 121 is set to the inside of handle 120.Locking plate 121 is with setting
The first locked groove 113 for being placed in the lateral wall of first shell 110 coordinates.One time locking plate 121 is set to the inside of mounting platform 123 simultaneously
It is and protruding upward relative to the mounting surface 124 of mounting platform 123.
Referring to Fig.1 and 2, secondary locking plate 122 is slidably mounted on handle 120.Specifically, the secondary card of locking plate 122 is set
On mounting platform 123, slidably reciprocate under the effect of external force along the mounting surface 124 of mounting platform 123.Fig. 4 is please referred to, it is secondary
Locking plate 122 includes the limiting plate 126 for being located at the lock tongue of 120 inside of handle and being connect with lock tongue.Lock tongue is with being arranged on primary lock
Second locked groove 125 of 121 side of piece coordinates.Limiting plate 126 is slidably connected with a locking plate 121.Limiting plate 126 and mounting surface
124 are slidably connected.Limiting plate 126 is close to 121 back side of locking plate and mounting surface 124 respectively.
As shown in figure 4, limiting plate 126 includes stopper protrusion 127 and the limited step 128 being connect with stopper protrusion 127.
The shape of entire limiting plate 126 is substantially L-shaped.Stopper protrusion 127 and limited step 128 may be contained within limiting plate 126 and with
121 corresponding side of locking plate.Stopper protrusion 127 and 121 shape of locking plate coordinate so that stopper protrusion 127 is along primary
121 back side of locking plate slidably reciprocates, and is unlocked or locking operation.Difference in height between stopper protrusion 127 and limited step 128 is
Unlock the movable gap of a locking plate 121.Preferably, in stopper protrusion 127 height is equipped with relative to the another of limited step 128
In the block of stopper protrusion 127, which is used to being limited to the position of locking state locking plate 121 next time, is allowed to just be stuck in
Between stopper protrusion 127 and block.Secondary locking plate 122 further includes the positioning plate 129 being connect with limiting plate 126, positioning plate 129
In the outside of handle 120, and positioning plate 129 coordinates with 120 shape of handle.
Further, limiting plate 126 further includes the strip bulge 130 being set on limiting plate 126.As shown in figure 4, bar shaped
The extending direction (length direction) of the extending direction and limiting plate 126 itself of protrusion 130 is vertical, convenient for firmly.
As shown in figure 4, the second locked groove 125 includes top locked groove 131 and is set to the bottom lock of 131 lower section of top locked groove
Slot 132.Top locked groove 131 penetrates through planing surface 136 and mating surface 137, bottom locked groove 132 are set to mating surface 137.Secondary locking plate
122 lock tongue includes the first lock tongue 133 and the second lock tongue 134.First lock tongue 133 coordinates with bottom locked groove 132, the second lock tongue
134 are set between the first lock tongue 133 and positioning plate 129, and the second lock tongue 134 coordinates with top locked groove 131.Such as Fig. 4 institutes
Show, it is preferable that the first lock tongue 133 and the second lock tongue 134 are mutually perpendicular to, and form the locking in horizontal and vertical direction, further
Improve locking function.In locking, the second lock tongue 134 is slided along planing surface 136, and is slipped into top locked groove 131, same with this
When, the first lock tongue 133 is also caught in bottom locked groove 132, so as to lock a locking plate 121.
Fig. 5 is please referred to, socket 20 includes second shell 210 and connecting pole 220, the top of second shell 210 and first shell
Body 110 connects, and the bottom of second shell 210 is connect with connecting pole 220.Second shell 210 is included under socket upper cover 211 and socket
Lid 212, socket upper cover 211 and socket lower cover 212 are connected.It offers that manual maintenance switch is installed on connecting pole 220
100 connecting hole 221.Connecting pole 220 extends to the direction far from 210 bottom of second shell, and connecting hole 221 is set to connecting pole
220 side wall and/or be set to connecting pole 220 separate second shell 210 bottom wall.Connecting pole 220 be prism, connecting hole
221 be threaded hole.
The operating process of the unlock of the manual maintenance switch 100 of the utility model embodiment is said with reference to Fig. 6
It is bright.
As shown in fig. 6, length direction of the X-direction for manual maintenance switch 100, width of the Y-direction for manual maintenance switch 100
Spend direction.Unlocked step is：From locked position I along -Y direction secondary locking plate 122 is moved to II position, and (Y-direction is oblique in figure
Under), complete primary unlock；The primary locking shrapnel of handle 120 is pushed forward in X direction again (in figure X-direction obliquely downward), while will be
Hand 120 is lifted to the upper direction of diagram, and plug 10 and socket 20 are initially separated at this time, continue to lift handle 120 until 10 He of plug
Socket 20 completes separation, and unlock is completed.Plug 10 and socket 20 lock step with unlocked step on the contrary, no longer describe herein.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of manual maintenance switch, which is characterized in that including：Socket and the plug being detachably connected with the socket；Institute
It states plug and includes first shell and handle, one end of the handle is movably connected on the lateral wall of the first shell, described
The other end of hand, which is respectively provided with, locks the handle to a locking plate of the first shell and described for locking
The secondary locking plate of locking plate；Locking plate is set to the inside of the handle, and a locking plate is described with being set to
The first locked groove cooperation of the lateral wall of first shell；The secondary locking plate is slidably mounted on the handle, the secondary locking plate
Including the limiting plate for being located at the lock tongue on the inside of the handle and being connect with the lock tongue, the lock tongue is described primary with being arranged on
The second locked groove cooperation of locking plate side, the limiting plate are slidably connected with a locking plate.
2. manual maintenance according to claim 1 switch, which is characterized in that the limiting plate include stopper protrusion and with
The limited step of stopper protrusion connection, the stopper protrusion and the limited step may be contained within the limiting plate and with
The corresponding side of the locking plate, the stopper protrusion coordinate with a clip shape, the stopper protrusion with it is described
Difference in height between limited step is to unlock the movable gap of a locking plate.
3. manual maintenance switch according to claim 2, which is characterized in that the limiting plate, which further includes, is set to the limit
Strip bulge on the plate of position.
4. manual maintenance switch according to claim 2, which is characterized in that the secondary locking plate further includes and the limiting
The positioning plate of plate connection, the positioning plate is located at the outside of the handle, and the positioning plate coordinates with the handle shapes.
5. manual maintenance switch according to claim 4, which is characterized in that the handle includes the mounting platform of sinking,
Locking plate is set to the inside of the mounting platform and, institute protruding upward relative to the mounting surface of the mounting platform
It states secondary locking plate to be fastened on the mounting platform, the limiting plate and the mounting surface of the secondary locking plate are slidably connected.
6. manual maintenance switch according to claim 5, which is characterized in that the mounting platform includes being arranged side by side in institute
The secondary locking block of a locking plate side is stated, the secondary locking block includes planing surface and the cooperation being connect with the planing surface
Face, the planing surface are located at the top of the secondary locking block and parallel with the mounting surface, and the mating surface is located at described
Second locked groove is offered on the side of secondary locking block and the mating surface.
7. manual maintenance according to claim 6 switch, which is characterized in that second locked groove include top locked groove and
The bottom locked groove being set to below the top locked groove, the top locked groove penetrates through the planing surface and the mating surface, described
Bottom locked groove is set to the mating surface；The lock tongue of the secondary locking plate includes the first lock tongue and the second lock tongue, first lock
Tongue coordinates with the bottom locked groove, and second lock tongue is set between first lock tongue and the positioning plate, and described
Second lock tongue coordinates with the top locked groove.
8. switched according to claim 1-7 any one of them manual maintenance, which is characterized in that the socket includes second shell
And connecting pole, the top of the second shell are connect with the first shell, the bottom of the second shell and the connecting pole
It connects, the connecting hole for installing the manual maintenance switch is offered on the connecting pole.
9. manual maintenance switch according to claim 8, which is characterized in that the connecting pole is to far from the second shell
The direction extension of bottom, the connecting hole are set to the side wall of the connecting pole and/or are set to the separate institute of the connecting pole
State the bottom wall of second shell.
10. manual maintenance according to claim 8 switch, which is characterized in that the connecting pole is prism, the connection
Hole is threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739963.9U CN207517986U (en) | 2017-12-13 | 2017-12-13 | A kind of manual maintenance switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739963.9U CN207517986U (en) | 2017-12-13 | 2017-12-13 | A kind of manual maintenance switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517986U true CN207517986U (en) | 2018-06-19 |
Family
ID=62543877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721739963.9U Expired - Fee Related CN207517986U (en) | 2017-12-13 | 2017-12-13 | A kind of manual maintenance switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155514A (en) * | 2017-12-13 | 2018-06-12 | 四川瑞可达连接系统有限公司 | A kind of manual maintenance switch |
| CN109524845A (en) * | 2018-11-13 | 2019-03-26 | 浙江永贵电器股份有限公司 | A kind of connector and its lock Xie Fangfa with delay unlocking structure |
-
2017
- 2017-12-13 CN CN201721739963.9U patent/CN207517986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155514A (en) * | 2017-12-13 | 2018-06-12 | 四川瑞可达连接系统有限公司 | A kind of manual maintenance switch |
| CN109524845A (en) * | 2018-11-13 | 2019-03-26 | 浙江永贵电器股份有限公司 | A kind of connector and its lock Xie Fangfa with delay unlocking structure |
| CN109524845B (en) * | 2018-11-13 | 2019-10-18 | 浙江永贵电器股份有限公司 | A kind of connector and its lock Xie Fangfa with delay unlocking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20191213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |