CN209161276U - Elevator Split type electric magnetosphere door lock - Google Patents
Elevator Split type electric magnetosphere door lock Download PDFInfo
- Publication number
- CN209161276U CN209161276U CN201821992025.4U CN201821992025U CN209161276U CN 209161276 U CN209161276 U CN 209161276U CN 201821992025 U CN201821992025 U CN 201821992025U CN 209161276 U CN209161276 U CN 209161276U
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- Prior art keywords
- unlocking
- lock hook
- fixed
- hook
- moveable
- 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.)
- Withdrawn - After Issue
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- 229920001971 elastomer Polymers 0.000 claims abstract description 28
- 239000000806 elastomer Substances 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000005307 ferromagnetism Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The utility model provides a kind of elevator Split type electric magnetosphere door lock, further includes the second moveable lock hook, the second fixed lock hook, the second manual unlocking component, electromagnetism unlocking component and latch hook elastomer；The intermediate position of second moveable lock hook is movably hinged in the bottom-locking plate, and the one end of second moveable lock hook is fixed on the described second manual unlocking component, the other end is resisted against the electromagnetism unlocking component；The elevator Split type electric magnetosphere door lock ensure that the safety unlocked manually on technological layer, have stronger practicability.
Description
Technical field
The utility model relates to door lock of elevator fields, and in particular to a kind of elevator Split type electric magnetosphere door lock.
Background technique
Elevator door lock is also known as hall door lock, is installed at the layer door of each floor, is to ensure that layer door not by personnel outside the Room
The safety device of unlatching.It, could be same by layer door by the door knife on gate only when elevator enters unlocking area, and leveling is stopped
Step is opened.It, could be by trained when in case of emergency or maintenance staff need to enter hoistway or upper car top maintenance elevator
Elevator professional personnel open layer door from layer by triangular key outdoors.It needs to abide by when opening from layer layer door outdoors by triangular key
Safety operation specification is kept, for example, layer door cannot be opened disposably, and should first open certain gap, confirmation carriage is in security bit
It postpones and again fully opens layer door.
But since the elevator ownership in China is huge, and maintenance staff's quantity wretched insufficiency of profession, professional's
Quality is irregular, and non-standard operation behavior is generally existing, and professional sometimes once fully opens layer door, careless slightly
It will result in the accident for the hoistway that falls.
Therefore, existing layer door lock can be effectively prevented layman and open layer door, can not but have from technological layer
Effect prevention safety accident as caused by the non-standard operation of professional.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of elevator Split type electric magnetosphere door lock, the elevator Split type electric
Magnetosphere door lock is designed for the non-standard operation of professional, be ensure that from technological layer and is taken even if professional
Non-standard operation, will not cause falling accident, and can open layer door, thus the safety of enhancement layer door lock.
The utility model adopts the technical scheme that
A kind of elevator Split type electric magnetosphere door lock, including the first moveable lock hook, the first fixed lock hook, lockwheel component, bottom-locking plate and
First manual unlocking component, first moveable lock hook are fixedly connected with the lockwheel component, and the lockwheel component is movably hinged
In the bottom-locking plate, the first manual unlocking component includes the first unlocking driving lever and the first unlocking swing rod, and described first unlocks
Swing rod one end is fixed on first moveable lock hook, the other end is resisted against the first unlocking driving lever, further includes the second moveable lock hook,
Two fixed lock hooks, the second manual unlocking component, electromagnetism unlocking component and latch hook elastomer；
The intermediate position of second moveable lock hook is movably hinged in the bottom-locking plate, and the one end of second moveable lock hook
It is fixed on the described second manual unlocking component, the other end is resisted against the electromagnetism unlocking component；
The latch hook elastomer is set between second moveable lock hook and the bottom-locking plate, and second moveable lock hook exists
It is remained stationary under the action of the latch hook elastomer, second fixed lock hook is fixed on the motionless door head plate in position；
The second manual unlocking component includes the second unlocking driving lever, the second unlocking swing rod and the second unlocking shaft, described
Second unlocking driving lever one end is fixed on the second unlocking shaft, the other end is resisted against the second unlocking swing rod, and described second
The one end of unlocking swing rod is fixed on second moveable lock hook；
For attracting described press when the electromagnetism unlocking component includes pressing touch panel, cone, unlocking elastomer and is powered
The electromagnet of touch panel is pressed, it is dynamic that one end of the cone is fixed on the pressing touch panel, another tapered end is resisted against described second
Latch hook, the electromagnet are sheathed on the cone and are fixed on the bottom-locking plate, and the unlocking elastomer sleeve is set to the circle
Cone and both ends are born against in the electromagnet and the pressing touch panel.
Preferably, the latch hook elastomer is torsional spring.
Preferably, a latch hook portion is provided in second moveable lock hook, and the two sides in the latch hook portion can be born against
In the cone and second fixed lock hook.
Preferably, the pressing touch panel is ferrimagnet.
Preferably, the unlocking elastomer is compressed spring.
Preferably, the electromagnet includes iron core and coil, and when layer door is normally-open coil is powered, and layer door is manual
Coil losing electricity when unlocking.
Preferably, second fixed lock hook is L-type, and a straight flange of the second fixed lock hook L-type is fixed on a head plate, another
One straight flange is for stopping second moveable lock hook.
Preferably, the position being meshed in the latch hook portion of second moveable lock hook with second fixed lock hook offers safety
Fluting, and when the external force that is subject to of second moveable lock hook is more than specified limits, the safety fluting makes second moveable lock hook
The fracture of latch hook portion.
Preferably, when second moveable lock hook and second fixed lock hook interact, second moveable lock hook with it is described
The depth of engagement of second fixed lock hook is not less than 7mm.
Compared with prior art, the utility model has the beneficial effects that the elevator Split type electric magnetosphere door lock is by increasing newly
The second moveable lock hook of component, the second fixed lock hook, the second manual unlocking component, electromagnetism unlocking component and latch hook elastomer cooperate original
The first moveable lock hook, the first fixed lock hook, lockwheel component, bottom-locking plate and first manual unlocking component, by layer door it is manual unlocking point
Solution ensure that the safety unlocked manually, and not shadow for two steps that must be completed by regulation flow operations on technological layer
Ring the door opening action of original knife.In addition, the elevator Split type electric magnetosphere door lock can be changed on the basis of original door lock of elevator
Into, both reduced the improved cost of production technology, and be also beneficial to be transformed existing elevator, have stronger practicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the locked state of elevator door lock in the prior art.
Fig. 2 is the unlock state structure diagram of elevator door corresponding with Fig. 1 lock.
Fig. 3 is door knife unlocking process schematic in the prior art.
Fig. 4 is the structural schematic diagram of the elevator Split type electric magnetosphere door lock of the utility model embodiment.
Fig. 5 is the partial enlargement structural representation of the part FD corresponding with Fig. 4.
Fig. 6 is A corresponding with Fig. 5 to structural schematic diagram.
Fig. 7 is B corresponding with Fig. 6 to structural schematic diagram.
Fig. 8 is structural schematic diagram when elevator Split type electric magnetosphere door lock corresponding with Fig. 4 is unlocked for the first time.
Fig. 9 is structural representation when elevator Split type electric magnetosphere door lock first time unlocking deck door corresponding with Fig. 8 cracks
Figure.
Structural schematic diagram when Figure 10 is second of unlocking of elevator Split type electric magnetosphere door lock corresponding with Fig. 9.
Figure 11 is the structural schematic diagram of the second moveable lock hook corresponding with Fig. 4
Description of symbols:
Partial enlargement: FD first view direction: the second view direction of A: B
Door knife: MD door leaf: MS
First moveable lock hook: 1 reset spring: 11
First fixed lock hook: 2
Lockwheel component: 3 dynamic lockwheels: 31 lock wheels: 32
Bottom-locking plate: 4
First manual unlocking component: 5
First unlocking swing rod: 51 first unlocking driving levers: 52 first unlocking shafts: 53
Second moveable lock hook: 6 latch hook elastomers: 61 latch hook portions: 62
Safety fluting: 63
Second manual unlocking component: 7
Second unlocking swing rod: 71 second unlocking driving levers: 72 second unlocking shafts: 73
Second fixed lock hook: 8
Electromagnetism unlocking component: 9 pressing touch panels: 91 sleeves: 92
Cone: 93 unlocking elastomers: 94 electromagnets: 95.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment
Detailed description are as follows.
When elevator operates normally, layer Men Youmen knife MD unlocks, and the course of work is as shown in figure 3, firstly, lift car enters
Unlocking area and leveling stop, at this time as shown in the upper figure in Fig. 3, the door knife MD on gate clamps lockwheel component 3.Then such as Fig. 3
In the following figure shown in, door knife MD stirs lockwheel component 3, swing it and make the first moveable lock hook 1 disengage the first fixed lock hook 2, complete
It unlocks.After unlocking, door knife MD clamping lockwheel component 3 drives door leaf MS to open layer door.And in case of emergency or maintenance staff
When needing to enter hoistway or upper car top maintenance elevator, then layer door is opened using manual unlocking mode.
Existing layer door latch structure principle is as shown in Figure 1, mainly include the first moveable lock hook 1, the first fixed lock hook 2, lockwheel group
Part 3, bottom-locking plate 4 and first manual unlocking component 5.Wherein, the first fixed lock hook 2 is fixed on the door head plate of layer door, and position is kept
It is fixed.Lockwheel component 3 includes lock wheel 32 and dynamic lockwheel 31, and lock wheel 32 and dynamic lockwheel 31 are each attached to the first moveable lock hook
On 1.First moveable lock hook 1 and lockwheel component 3 are movably hinged by lock wheel 32 in bottom-locking plate 4, i.e. the first moveable lock hook 1 and lockwheel group
Part 3 can be used as entirety, be that rotation center is swung relative to bottom-locking plate 4, and when its swing, can make the using the center of lock wheel 32
One moveable lock hook 1 and the first fixed lock hook 2 are disengaged from, and are realized and are unlocked, i.e. door knife MD unlocks.
First manual unlocking component 5 includes the first unlocking driving lever 52 and the first unlocking swing rod 51, the first unlocking swing rod 51
Upper end is fixed by screws on the first moveable lock hook 1, and the lower end of the first unlocking swing rod 51 is resisted against on the first unlocking driving lever 52.The
The upper end of one unlocking driving lever 52 is fixed in the first unlocking shaft 53, that is, when unlocking, the first unlocking shaft 53 can drive first to open
Driving lever 52 is locked to swing.
Layer door lock shown in FIG. 1 is in locked state, at this point, the work of the reset spring 11 of the first moveable lock hook 1 at an upper portion thereof
It is engaged with lower with the first fixed lock hook 2.Layer door lock shown in Fig. 2 is in unlocking condition, at this point, being rotated outdoors with triangular key in layer
First unlocking shaft 53, the first unlocking shaft 53 drive the first unlocking driving lever 52 to swing, and the first unlocking driving lever 52 is stirred first and opened
Swing rod 51 is locked, so that it is headed on the first moveable lock hook 1 and is rotated around the center of lock wheel 32, it is final to realize that the first moveable lock hook 1 and first is fixed
Latch hook 2 is disengaged from, and completes manual unlatching process.
But after security risk present in real operation as shown in Fig. 2, unlock manually, layer door can disposably be beaten completely
It opens, the safety protection function of layer door completely loses, if carriage is not parked near the floor level position at this time, layer door is disposably complete
After full opening, in face of deep, dark and unguarded hoistway, unlocking staff can cause thing of falling due to factors such as psychological fears
Therefore.
In order to guarantee that layer door can not be fully opened disposably from technological layer, a kind of elevator of an embodiment of the present invention
Split type electric magnetosphere door lock, as shown in Figure 4,5.The embodiments of the present invention are in addition to the general components in existing layer door lock
It outside, further include the second moveable lock hook 6, the second fixed lock hook 8, the second manual unlocking component 7, electromagnetism unlocking component 9 and latch hook elastomer
61。
The shape of second moveable lock hook 6 is as shown in Figure 4 and 11, and the side at in-between position is provided with a latch hook portion 62, and latch hook portion
62 two sides, which can be born against, sees Fig. 6 in cone 93() conical end and the second fixed lock hook 8.
As shown in Fig. 4-6, the intermediate position of the second moveable lock hook 6 is movably hinged by pin shaft in bottom-locking plate 4, and such as Fig. 6
It is shown, latch hook elastomer 61, in the present embodiment, latch hook are arranged on the hinging pin shaft among the second moveable lock hook 6 and bottom-locking plate 4
Elastomer 61 is torsional spring, and under the action of the torsional spring, the second moveable lock hook 6 has the trend rotated at living hinge, but second
Moveable lock hook 6 keeps phase due to the blocking by the second manual unlocking component 7 and electromagnetism unlocking component 9, the position of the second moveable lock hook 6
To motionless.
Second fixed lock hook 8 is fixed on the motionless door head plate in position, i.e. the second fixed lock hook 8 is not mobile with door leaf, the second lock
Hook 8 can be hook, can also be L-type, in the present embodiment, as shown in fig. 6, the second fixed lock hook 8 is L-type, and second fixed lock hook 8
The straight flange of side is fixed on a head plate, the straight flange of the other side is used to stop the second moveable lock hook 6.
In addition, as shown in figure 4, the second manual unlocking component 7 includes the second unlocking driving lever 72, the second unlocking swing rod 71 and the
Two unlocking shafts 73.Second unlocking driving lever, 72 one end is fixed on the second unlocking shaft 73, the other end is resisted against the second unlocking swing rod
71.The one end of second unlocking swing rod 71 is fixed on the second moveable lock hook 6.
As shown in fig. 6, electromagnetism unlocking component 9 includes pressing touch panel 91, cone 93, unlocking elastomer 94 and electromagnet
95, pressing touch panel 91 is made by ferrimagnet, can be attracted by electromagnet 95.Electromagnet 95 includes iron core and coil, when
When coil is powered, electromagnet 95 generates magnetic field and the elastic force of unlocking elastomer 94 is overcome to attract pressing touch panel 91, when coil losing electricity,
The magnetic field of electromagnet 95 disappears, and pressing touch panel 91 resets under the elastic force effect of unlocking elastomer 94.
One end of cone 93 is fixed on pressing touch panel 91, another tapered end is resisted against the second moveable lock hook 6.Unlocking elastomer
94 be sheathed on cone 93 and both ends bear against in electromagnet 95 and pressing touch panel 91.In addition, can also be fixed in bottom-locking plate
One sleeve 92 is set, and sleeve 92 is located on cone 93, at this time can bear against at the both ends of unlocking elastomer 94 in sleeve 92
With pressing touch panel 91.Unlocking elastomer 94 may be selected to be compressed spring.
The elevator Split type electric magnetosphere door lock of the present embodiment is applicable to two kinds of operating statuses of elevator, when elevator is normally transported
When row, as shown in Figure 6,7, the coil in electromagnet 95 is in energized state always, and electromagnet 95 presses touch panel 91, presses touch panel
91 overcome the elastic force of unlocking elastomer 94 to press inward against cone 93, and the tapered end of cone 93 moves inward, and squeeze the
The latch hook portion 62 of two moveable lock hooks 6, makes it turn an angle at living hinge, so that the second fixed lock hook 6 be made to avoid always
The blocking of two fixed lock hooks 8.In this case, door knife MD can clamp lockwheel component 3 and drive door leaf MS completion auto-unlocking process.
When needing to unlock manually, coil losing electricity in electromagnet 95, electromagnet 95 is magnetic to disappear, and pressing touch panel 91 is multiple
Position, the tapered end of cone 93 no longer squeeze the latch hook portion 62 of the second moveable lock hook 6, and the second moveable lock hook 6 also resets.Later, manually
Unlocking process can be divided into unlocking for the first time, layer door cracks, three processes of unlocking for second, working principle such as Fig. 4,8,9,10 institute
Show.Before not unlocking, as shown in figure 4, the first moveable lock hook 1 is engaged with the first fixed lock hook 2.When manual unlock, as shown in figure 8,
The first unlocking shaft 53 is rotated with triangular key outdoors in layer, the first unlocking shaft 53 drives the first unlocking driving lever 52 to swing, the
One unlocking driving lever 52 stirs the first unlocking swing rod 51, so that it is headed on the first moveable lock hook 1 and rotates around the center of lock wheel 32, final real
Existing first moveable lock hook 1 and the first fixed lock hook 2 are disengaged from, and complete to unlock for the first time.Then layer door is opened to certain gap, i.e.,
Layer door cracks, as shown in figure 9, the second moveable lock hook 6 is stopped by the second fixed lock hook 8 at this time, layer door can not continue to open.
At this point, operator is by the position that can confirm carriage in hoistway of cracking of layer door, if not in home,
Triangular key is unclamped, layer door is automatically closed, if in home, it can be further fully open by layer door, it is specific to open original
Reason rotates the second unlocking shaft 73 as shown in Figure 10, in layer counterclockwise with triangular key outdoors, and the second unlocking shaft 73 drives the
Two unlocking driving levers 72 are swung, and the second unlocking driving lever 72 stirs the second unlocking swing rod 71, it is made to head on the second moveable lock hook 6 around moveable hinge
The rotation of chain center, is disengaged from the second moveable lock hook 1 and the second fixed lock hook 8, completes second and unlocks.
In addition, the position being meshed in the latch hook portion of the second moveable lock hook 6 with the second fixed lock hook 8 offers safe fluting
63, when the second moveable lock hook 6 breaks down, and engages always with the second fixed lock hook 8, by applying the power of specified limits, can make
The latch hook portion 62 of fixed second moveable lock hook 6 is broken at safety fluting 63, to realize unlocking function in extreme cases.
Meanwhile in order to guarantee sufficiently engaging for the second moveable lock hook 6 and the second fixed lock hook 8, the second moveable lock hook 6 and the second lock
When hook 8 is intermeshed and plays locking effect, the depth of engagement of the second moveable lock hook 6 and the second fixed lock hook 8 is not less than 7mm.
Compared with prior art, which decomposes the manual unlocking of layer door to press rule
Two steps for determining flow operations completion, ensure that the safety unlocked manually on technological layer, do not influence original knife MD's
Normal unlocking function.In addition, the elevator link-type layer door lock can improve on the basis of original door lock of elevator, life is both reduced
The improved cost of production. art is also beneficial to be transformed existing elevator, has stronger practicability.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (9)
1. a kind of elevator Split type electric magnetosphere door lock, including the first moveable lock hook, the first fixed lock hook, lockwheel component, bottom-locking plate and
One manual unlocking component, first moveable lock hook are fixedly connected with the lockwheel component, the lockwheel component be movably hinged in
The bottom-locking plate, the first manual unlocking component include the first unlocking driving lever and the first unlocking swing rod, and described first, which unlocks, puts
Bar one end is fixed on first moveable lock hook, the other end is resisted against the first unlocking driving lever, which is characterized in that further includes second
Moveable lock hook, the second fixed lock hook, the second manual unlocking component, electromagnetism unlocking component and latch hook elastomer；
The intermediate position of second moveable lock hook is movably hinged in the bottom-locking plate, and the one end of second moveable lock hook is connected
The electromagnetism unlocking component is resisted against in the described second manual unlocking component, the other end；
The latch hook elastomer is set between second moveable lock hook and the bottom-locking plate, and second moveable lock hook is described
It is remained stationary under the action of latch hook elastomer, second fixed lock hook is fixed on the motionless door head plate in position；
The second manual unlocking component include the second unlocking driving lever, the second unlocking swing rod and the second unlocking shaft, described second
Unlocking driving lever one end is fixed on the second unlocking shaft, the other end is resisted against the second unlocking swing rod, and described second unlocks
The one end of swing rod is fixed on second moveable lock hook；
For attracting the pressing to touch when the electromagnetism unlocking component includes pressing touch panel, cone, unlocking elastomer and is powered
The electromagnet of plate, one end of the cone is fixed on the pressing touch panel, another tapered end is resisted against second moveable lock hook,
The electromagnet is sheathed on the cone and is fixed on the bottom-locking plate, the unlocking elastomer sleeve be set to the cone and
Both ends are born against in the electromagnet and the pressing touch panel.
2. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that the latch hook elastomer is torsional spring.
3. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that be provided in second moveable lock hook
One latch hook portion, and the two sides in the latch hook portion can be born against in the cone and second fixed lock hook.
4. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that the pressing touch panel is ferromagnetism material
Material.
5. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that the unlocking elastomer is compression bullet
Spring.
6. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that the electromagnet includes iron core and line
Circle, and when layer door is normally-open coil is powered, layer door coil losing electricity when unlocking manually.
7. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that second fixed lock hook is L-type, and
One straight flange of the second fixed lock hook L-type is fixed on a head plate, another straight flange for stopping second moveable lock hook.
8. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that the latch hook portion of second moveable lock hook
In the position that is meshed with second fixed lock hook offer safe fluting, and the external force that second moveable lock hook is subject to is more than rule
When determining the limit, the safety fluting is broken the latch hook portion of second moveable lock hook.
9. elevator Split type electric magnetosphere door lock as described in claim 1, which is characterized in that second moveable lock hook and described the
When two fixed lock hooks interact, the depth of engagement of second moveable lock hook and second fixed lock hook is not less than 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992025.4U CN209161276U (en) | 2018-11-28 | 2018-11-28 | Elevator Split type electric magnetosphere door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992025.4U CN209161276U (en) | 2018-11-28 | 2018-11-28 | Elevator Split type electric magnetosphere door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209161276U true CN209161276U (en) | 2019-07-26 |
Family
ID=67341099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992025.4U Withdrawn - After Issue CN209161276U (en) | 2018-11-28 | 2018-11-28 | Elevator Split type electric magnetosphere door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209161276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436998A (en) * | 2018-11-28 | 2019-03-08 | 苏州市职业大学 | Elevator Split type electric magnetosphere door lock |
-
2018
- 2018-11-28 CN CN201821992025.4U patent/CN209161276U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436998A (en) * | 2018-11-28 | 2019-03-08 | 苏州市职业大学 | Elevator Split type electric magnetosphere door lock |
| CN109436998B (en) * | 2018-11-28 | 2023-12-15 | 苏州市职业大学 | Split electromagnetic layer door lock for elevator |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20231215 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20231215 |