CN209487353U - Pressing plate blocking device - Google Patents
Pressing plate blocking device Download PDFInfo
- Publication number
- CN209487353U CN209487353U CN201920214606.3U CN201920214606U CN209487353U CN 209487353 U CN209487353 U CN 209487353U CN 201920214606 U CN201920214606 U CN 201920214606U CN 209487353 U CN209487353 U CN 209487353U
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- pressing plate
- flakes
- shell
- latching member
- blocking device
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
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- 230000006698 induction Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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Abstract
The utility model provides a kind of pressing plate blocking device, and pressing plate blocking device includes: shell, and shell is disposed around pressing plate side, and has the accommodating chamber for accommodating pressing plate；Locking assembly, locking assembly is flexibly connected with shell, and there is lock state and unlocked state, locking assembly includes latching member and driving mechanism, at least part of latching member and driving mechanism is flexibly connected with shell, when locking assembly is in the lock state, driving mechanism drives latching member movement, and so that the keyed end of latching member is stretched out shell and move on the motion path of the pressing plate of pressing plate in flakes, hinder the movement of pressing plate in flakes, to lock pressing plate in flakes, when locking assembly is in the unlocked state, keyed end avoids pressing plate in flakes, pressing plate in flakes being capable of free movement.It is easy to operate by mistake that the utility model solves the problems, such as that pressing plate in the prior art causes because not having forced blocking function.
Description
Technical field
The utility model relates to technical field of power systems, in particular to a kind of pressing plate blocking device.
Background technique
Formula pressing plate is typically mounted in power wiring systems circuit in flakes, for opening a sluice gate for power circuit, closes lock operation, real
The on-off control of existing transmission line of electricity.The correct of pressing plate throws that move back be important leverage that power equipment operates normally, and shape is moved back in the throwing of mistake
State will bring huge loss to electric power safety and personal safety.
The pressing plate that electric system is generally installed point, closing operation be all it is manual by manually coming, although some are equipped with phase
The state monitoring apparatus answered, but all there is no forced blocking function, still there may be maloperations.
Utility model content
The main purpose of the utility model is to provide a kind of pressing plate blocking device, with solve pressing plate in the prior art because
There is no forced blocking function and leads to problem easy to operate by mistake.
To achieve the goals above, the utility model provides a kind of pressing plate blocking device, comprising: shell, shell, which encloses, to be set
In pressing plate side, and there is the accommodating chamber for accommodating pressing plate；Locking assembly, locking assembly are flexibly connected with shell, and have locking
State and unlocked state, locking assembly include latching member and driving mechanism, at least part of latching member and driving mechanism with
Shell is flexibly connected, and when locking assembly is in the lock state, driving mechanism drives latching member movement, and makes the locking of latching member
End is stretched out shell and is moved on the motion path of the pressing plate of pressing plate in flakes, and the movement of pressing plate in flakes is hindered, to lock pressing plate company
Piece, when locking assembly is in the unlocked state, keyed end avoids pressing plate in flakes, and pressing plate in flakes being capable of free movement.
Further, driving mechanism includes driving member, and driving member is movably arranged in shell, and can squeeze latching member,
Keyed end is set to stretch out shell, locking assembly switches to lock state by unlocked state.
Further, one end of driving member, which has, squeezes inclined-plane, and the one end of latching member far from keyed end connects with inclined-plane is squeezed
Touching squeezes inclined-plane and squeezes latching member, so that locking assembly switches between lock state and unlocked state.
Further, driving mechanism further includes lock core, and the driving end of lock core and driving member drive far from one end of latching member
Connection, and driving member can be squeezed, to drive driving member sliding to squeeze latching member, so that latching member moves.
Further, lock core has shaft, and shaft is connect with cam structure, and shaft drives cam structure rotation to pass to squeeze
Moving part, to drive drive member.
Further, driving mechanism further includes identification elements, and the entrance side of lock core is arranged in identification elements, to match solution key
Spoon.
Further, driving mechanism further includes return unit, and the both ends of return unit are abutted with shell and latching member respectively, with for
Latching member provides the reset force for retracting shell.
Further, the motion profile line of latching member is vertical with the plane of movement of pressing plate in flakes.
Further, pressing plate blocking device further includes the detection components for detecting pressing plate position in flakes, detection components packet
Include: detection piece, detection piece move synchronously in flakes with pressing plate；Induction pieces, induction pieces are arranged in shell, and can incude detection piece
Position, to judge the state of pressing plate.
Further, detection piece is magnetic part, and induction pieces are tongue tube or Hall element.
Further, pressing plate blocking device further includes handle, and handle is rotatably arranged with shell, and handle connects in flakes with pressing plate
It connects, and is able to drive pressing plate and moves in flakes, detection piece is connect with handle, and can be moved synchronously with handle.
Further, shell includes multiple subassemblies, and each subassembly docks to be formed and accommodates the first binding post and/or second connect
The accommodating chamber of terminal.
Using the technical solution of the utility model, by being provided with locking assembly, enable the driving mechanism of locking assembly
Enough driving latching member movements, enable the keyed end of latching member to move on the motion path of pressing plate in flakes, so that pressing plate
Latching member is exited the movement of pressing plate in flakes when needing to act pressing plate in flakes by control of the movement in flakes by locking assembly
Path can operate in flakes pressing plate, so that pressing plate can switch to the state being switched on or off, it will after the completion of operation
Locking assembly switches back into lock state and can lock in flakes to pressing plate.Above-mentioned set-up mode is awarding the state of pressing plate not
Can not be changed in the case where power, avoid the maloperation of pressing plate, it is ensured that pressing plate point, closing operation it is correct, convenient for pair
Pressing plate is managed, while over all Integration degree is high, compact-sized, safe and reliable, is suitable for various application scenarios, especially in band
Under the application scenarios of electricity operation, lossless transformation can be carried out to original pressing plate, increase blocking function, be incorporated to it to anti-error system
In, preferably protect power system device and the safety of operator.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Structural schematic diagram when the pressing plate blocking device that Fig. 1 shows the utility model is mounted on pressing plate；
Fig. 2 shows the main views of Fig. 1；
Fig. 3 shows the cross-sectional view of Fig. 1；
Fig. 4 shows the schematic diagram of the part-structure of the pressing plate blocking device in Fig. 1；And
Fig. 5 shows the structural schematic diagram of the handle of the pressing plate blocking device in Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, shell；21, latching member；22, driving member；221, inclined-plane is squeezed；23, lock core；24, cam structure；25, it identifies
Part；26, return unit；30, detection components；31, detection piece；32, induction pieces；40, handle；50, pressing plate；51, the first binding post；
52, the second binding post；53, pressing plate is in flakes.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
It is for direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Together
Sample, it for ease of understanding and describes, " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is simultaneously
It is not used in limitation the utility model.
In order to solve the problems, such as that pressing plate in the prior art leads to easy to operate by mistake, this reality because not having forced blocking function
A kind of pressing plate blocking device is provided with novel.
A kind of pressing plate blocking device as depicted in figs. 1 and 2, including shell 10 and locking assembly, shell 10 are disposed around pressure
Plate side, and there is the accommodating chamber for accommodating pressing plate；Locking assembly is flexibly connected with shell 10, and has lock state and unlock shape
State, locking assembly include latching member 21 and driving mechanism, and at least part of latching member 21 and driving mechanism is living with shell 10
Dynamic connection, when locking assembly is in the lock state, driving mechanism drives latching member 21 to move, and makes the keyed end of latching member 21
Stretch out shell 10 and move to the pressing plate of pressing plate in flakes on 53 motion path, hinder pressing plate in flakes 53 movement, to lock pressure
Plate in flakes 53, when locking assembly is in the unlocked state, keyed end avoids pressing plate in flakes 53, and pressing plate 53 can be transported freely in flakes
It is dynamic.
The present embodiment enables the driving mechanism of locking assembly that latching member 21 is driven to transport by being provided with locking assembly
It is dynamic, enable the keyed end of latching member 21 to move pressing plate in flakes on 53 motion path so that pressing plate in flakes 53 fortune
The dynamic control by locking assembly, when need to act pressing plate in flakes 53 when, by latching member 21 exit pressing plate in flakes 53 movement road
Diameter 53 can operate pressing plate in flakes, so that pressing plate 50 can switch to the state being switched on or off, after the completion of operation
Locking assembly, which is switched back into lock state, 53 to lock pressing plate in flakes.Above-mentioned set-up mode makes the state of pressing plate 50
It can not be changed in the case where unauthorized, avoid the maloperation of pressing plate 50, it is ensured that pressing plate 50 divides, the correct nothing of closing operation
Accidentally, convenient for being managed to pressing plate 50, while over all Integration degree is high, compact-sized, safe and reliable, is suitable for various applied fields
Scape can carry out lossless transformation especially under the application scenarios of charging operation to original pressing plate 50, increase blocking function, make it
It is incorporated into anti-error system, preferably protects power system device and the safety of operator.
As shown in Figure 3 and Figure 4, driving mechanism includes driving member 22, and driving member 22 is movably arranged in shell 10, and can
Latching member 21 is squeezed, so that keyed end is stretched out shell 10, locking assembly switches to lock state by unlocked state.
Specifically, latching member 21 and driving member 22 are in the form of a column, and latching member 21 is slided along own axes, latching member 21
Motion profile line and pressing plate in flakes 53 plane of movement it is vertical, in this way, the sliding of latching member 21 can backstop or evacuation pressing plate connect
The motion path of piece 53, realize to pressing plate in flakes 53 locking and unlocking act on.The axis of latching member 21 and the axis of driving member 22
90 degree of angle is formed between line, so that the volume of pressing plate blocking device entirety is reduced, so that it is compact-sized, it is easily installed,
Realize miniaturization.It is illustrated by taking pressing plate in flakes 53 horizontal movements as an example, when pressing plate 53 horizontally rotates in flakes, latching member 21
It can be vertically arranged, and slide up and down, at this point, the top of latching member 21 is keyed end, keyed end can stretch out shell 10
Realize to pressing plate in flakes 53 locking, driving member 22 is horizontally disposed, and the bottom end of latching member 21 and driving member 22 cooperate, driving member 22
The i.e. extrudable latching member 21 of sliding, to drive the sliding of latching member 21.When pressing plate in flakes 53 set-up mode change when,
The set-up mode of latching member 21 and driving member 22 can also correspondingly change, as long as can be realized driving member 22 squeezes latching member
21 so that latching member 21 stretch out 10 backstop pressing plate of shell in flakes 53 movement.
In the present embodiment, one end of driving member 22 have squeeze inclined-plane 221, the one end of latching member 21 far from keyed end with
It squeezes inclined-plane 221 to contact, squeezes inclined-plane 221 and squeeze latching member 21, so that locking assembly is between lock state and unlocked state
Switching.The inclination for squeezing inclined-plane 221 can be there are many set-up mode, and the extruding inclined-plane 221 in the present embodiment is squeezed along driving member 22
The direction of motion of driving member 22 when latch member 21 makes latching member 21 stretch out shell 10 squeezes inclined-plane 221 to close to driving member
The directions of 22 axis tilts so that the extruding force of driving member 22 can smoothness be applied on latching member 21, guarantee transmission effect
The fluency of fruit and transmission.
In the present embodiment, driving mechanism further includes lock core 23, and the driving end of lock core 23 and driving member 22 are far from latching member
21 one end is drivingly connected, and can squeeze driving member 22, to drive the sliding of driving member 22 to squeeze latching member 21, so that latching member
21 movements.
Specifically, lock core 23 is fixed on the housing 10, and lock core 23 has shaft, and shaft protrudes into shell 10, and and cam
Structure 24 is drivingly connected, and when solving the lock key drive rotation of lock core 23, shaft drives cam structure 24 to rotate synchronously, when cam knot
When the convex surface of structure 24 squeezes driving member 22, driving member 22 is slided to the direction far from cam structure 24, is squeezed the extruding of inclined-plane 221 and is closed
Latch fitting 21, so that latching member 21 move to far from the direction of driving member 22, to stretch out the realization of shell 10 to pressing plate in flakes 53
Locking, when the concave surface of cam structure 24 is towards driving member 22, driving member 22 no longer squeezes latching member 21, and latching member 21 can contract
Return shell 10 in, thus realize to pressing plate in flakes 53 unlock.The setting of lock core 23 can be improved the safety of pressing plate blocking device
Property and controllability so that under the premise of no solution lock key can not random operated clamp blocking device, also can not just change pressure
The state of plate 50.
Optionally, driving mechanism further includes identification elements 25, and the entrance side of lock core 23 is arranged in identification elements 25, to match unlock
Key.
In the present embodiment, driving mechanism further includes return unit 26, the both ends of return unit 26 respectively with shell 10 and locking
Part 21 abuts, to provide the reset force for retracting shell 10 for latching member 21.Return unit 26 is Hookean spring, and Hookean spring is set in
The outside of latching member 21 is provided with annular protrusion on latching member 21, and one end of Hookean spring is connected on annular protrusion, another
End abuts on the housing 10, so that latching member 21 has the movement tendency retracted in shell 10 always, in this way, working as driving member
22 when not squeezing latching member 21, and latching member 21 can retract automatically in shell 10 under the action of Hookean spring, to realize
Automatic unlocking.
In the present embodiment, pressing plate blocking device further includes the detection components 30 for detecting pressing plate 53 positions in flakes, inspection
Surveying component 30 includes detection piece 31 and induction pieces 32, and detection piece 31 53 moves synchronously in flakes with pressing plate；Induction pieces 32 are arranged in shell
In body 10, and the position of detection piece 31 can be incuded, to judge the state of pressing plate 50.The present embodiment is provided with chip, and chip is
Wireless dicode value chip comprising the detection piece 31 with status detection function and 25 liang of the identification elements with identity recognition function
Part is able to detect the state of pressing plate 50 and to unlock so that pressing plate blocking device has the function of detecting and identify
The identity of key is identified, to guarantee the safety and reliability of pressing plate blocking device.
Preferably, detection piece 31 is magnetic part, and induction pieces 32 are tongue tube or Hall element.
As shown in figure 5, pressing plate blocking device further includes handle 40, handle 40 53 is rotatably connected in flakes with pressing plate, and energy
Enough band dynamic pressure plate 53 movements in flakes, detection piece 31 is connect with handle 40, and can be moved synchronously with handle 40.The present embodiment setting
Have with pressing plate 53 handle 40 connecting in flakes, in order to operated clamp 53 rotation in flakes, handle 40 and pressing plate are in flakes 53 with the
One binding post 51 is rotatably coupled, and can be contacted or be separated with the second binding post 52, is had on handle 40 and is connected with pressing plate
The buckle structure that piece 53 cooperates, in order to which handle 40 is fastened on pressing plate in flakes on 53.
Optionally, shell 10 includes multiple subassemblies, and each subassembly, which docks to be formed, accommodates the first binding post 51 and/or second
The accommodating chamber of binding post 52.The present embodiment is provided with two subassemblies, and two subassembly docking are enclosed in 51 He of the first binding post
The two sides of second binding post 52 to facilitate the installation and removal of pressing plate blocking device, while conveniently carrying out existing pressing plate
Transformation, to improve its safety.
The pressing plate blocking device of the present embodiment is mounted on composition electrical power wiring device on formula pressing plate in flakes, wherein pressing plate 50
Including the first binding post 51, the second binding post 52 and pressing plate in flakes 53,53 one end and the first binding post 51 pivot pressing plate in flakes
Connection, 53 other end and the second binding post 52 are separably attached in flakes for pressing plate, so that pressing plate 50 is switched on or off, pressing plate
Blocking device is removably disposed in the outside of the first binding post 51 and/or the second binding post 52.
The electrical power wiring device of the present embodiment use process is as follows:
When need operated clamp in flakes 53 when, will solution lock key be inserted into lock core 23, mechanical tooth form is correct, and identification elements 25
Reading code is correct, and solution lock key can be rotated with the cam structure 24 on movable lock core 23, so that the concave surface direction of cam structure 24 passes
Moving part 22, driving member 22 can be moved to the direction far from latching member 21, and latching member 21 drives under the reset force of return unit 26
Latching member 21 retracts in shell 10, can unlock pressing plate in flakes 53, pressing plate in flakes 53 can be operated by handle 40, when operation is pressed
Plate in flakes 53 when, handle 40 drive detection piece 31 move together, induction pieces 32 sense the change in location of detection piece 31, and feed back
Solution lock key is given, after the completion of pressing plate in flakes 53 operations, solution lock key reversion, the convex surface of cam structure 24 squeezes transmission again
Part 22, so that latching member 21 stretches out shell 10, latching member 21 relocks pressing plate in flakes 53, extracts solution lock key, operating process
It completes.
It should be noted that multiple in above-described embodiment refer at least two.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, it is easy to operate by mistake to solve the problems, such as that pressing plate in the prior art causes because not having forced blocking function；
2, over all Integration degree is high, compact-sized, safe and reliable；
3, it is suitable for various application scenarios, has a wide range of application；
4, lossless transformation can be carried out to original pressing plate, increases blocking function.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The range of the utility model protection all should belong in the every other embodiment obtained.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of pressing plate blocking device characterized by comprising
Shell (10), the shell (10) is disposed around pressing plate side, and has the accommodating chamber for accommodating the pressing plate；
Locking assembly, the locking assembly are flexibly connected with the shell (10), and have lock state and unlocked state, described
Locking assembly includes latching member (21) and driving mechanism, at least part of the latching member (21) and the driving mechanism with
The shell (10) is flexibly connected, and when the locking assembly is in the lock state, closes described in the driving mechanism driving
Latch fitting (21) movement, and so that the keyed end of the latching member (21) is stretched out the shell (10) and move to the pressing plate of the pressing plate
In flakes on the motion path of (53), the movement of the pressing plate (53) in flakes is hindered, to lock the pressing plate (53) in flakes, when described
When locking assembly is in the unlocked state, the keyed end avoids the pressing plate in flakes (53), the pressing plate (53) energy in flakes
Enough free movements.
2. pressing plate blocking device according to claim 1, which is characterized in that the driving mechanism includes driving member (22),
The driving member (22) is movably arranged in the shell (10), and can squeeze the latching member (21), makes the keyed end
The shell (10) are stretched out, the locking assembly switches to the lock state by the unlocked state.
3. pressing plate blocking device according to claim 2, which is characterized in that one end of the driving member (22), which has, to be squeezed
Inclined-plane (221), the latching member (21) contact far from one end of the keyed end with the extruding inclined-plane (221), the extruding
Inclined-plane (221) squeezes the latching member (21), so that the locking assembly is between the lock state and the unlocked state
Switching.
4. pressing plate blocking device according to claim 2, which is characterized in that the driving mechanism further includes lock core (23),
The driving end and the driving member (22) of the lock core (23) are drivingly connected far from the one end of the latching member (21), and can be squeezed
The driving member (22) are pressed, to drive the driving member (22) sliding to squeeze the latching member (21), so that the latching member
(21) it moves.
5. pressing plate blocking device according to claim 4, which is characterized in that the lock core (23) have shaft, described turn
Axis is connect with cam structure (24), and the shaft drives cam structure (24) rotation to squeeze the driving member (22), from
And the driving member (22) is driven to move.
6. pressing plate blocking device according to claim 4, which is characterized in that the driving mechanism further includes identification elements
(25), the entrance side in the lock core (23) is arranged in the identification elements (25), to match solution lock key.
7. pressing plate blocking device according to claim 2, which is characterized in that the driving mechanism further includes return unit
(26), the both ends of the return unit (26) are abutted with the shell (10) and the latching member (21) respectively, for the locking
Part (21) provides the reset force for retracting the shell (10).
8. pressing plate blocking device according to claim 1, which is characterized in that the motion profile line of the latching member (21) with
The plane of movement of the pressing plate (53) in flakes is vertical.
9. pressing plate blocking device according to claim 1, which is characterized in that the pressing plate blocking device further includes for examining
The detection components (30) of the pressing plate (53) position in flakes are surveyed, the detection components (30) include:
Detection piece (31), the detection piece (31) move synchronously in flakes (53) with the pressing plate；
Induction pieces (32), induction pieces (32) setting can incude the detection piece (31) in the shell (10)
Position, to judge the state of pressing plate (50).
10. pressing plate blocking device according to claim 9, which is characterized in that the detection piece (31) is magnetic part, described
Induction pieces (32) are tongue tube or Hall element.
11. pressing plate blocking device according to claim 9, which is characterized in that the pressing plate blocking device further includes handle
(40), the handle (40) and the shell (10) are rotatably arranged, and the handle (40) connect in flakes (53) with the pressing plate,
And be able to drive the pressing plate and move in flakes (53), the detection piece (31) connect with the handle (40), and can with it is described
Handle (40) moves synchronously.
12. pressing plate blocking device according to claim 1, which is characterized in that the shell (10) includes multiple subassemblies,
Each subassembly docks the accommodating chamber to be formed and accommodate the first binding post (51) and/or the second binding post (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214606.3U CN209487353U (en) | 2019-02-19 | 2019-02-19 | Pressing plate blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214606.3U CN209487353U (en) | 2019-02-19 | 2019-02-19 | Pressing plate blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209487353U true CN209487353U (en) | 2019-10-11 |
Family
ID=68133828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920214606.3U Withdrawn - After Issue CN209487353U (en) | 2019-02-19 | 2019-02-19 | Pressing plate blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209487353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767938A (en) * | 2019-02-19 | 2019-05-17 | 珠海优特电力科技股份有限公司 | Pressing plate blocking device |
-
2019
- 2019-02-19 CN CN201920214606.3U patent/CN209487353U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767938A (en) * | 2019-02-19 | 2019-05-17 | 珠海优特电力科技股份有限公司 | Pressing plate blocking device |
| CN109767938B (en) * | 2019-02-19 | 2024-01-19 | 珠海优特电力科技股份有限公司 | Pressing plate locking device |
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