CN113327792A - Three-station switch mechanism and cable chamber door interlocking device for environment-friendly inflating cabinet - Google Patents
Three-station switch mechanism and cable chamber door interlocking device for environment-friendly inflating cabinet Download PDFInfo
- Publication number
- CN113327792A CN113327792A CN202110646364.7A CN202110646364A CN113327792A CN 113327792 A CN113327792 A CN 113327792A CN 202110646364 A CN202110646364 A CN 202110646364A CN 113327792 A CN113327792 A CN 113327792A
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- interlocking
- shaft
- plate
- cable chamber
- chamber door
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses an interlocking device of a three-station switch mechanism and a cable chamber door for an environment-friendly inflatable cabinet, which comprises a sliding block assembly, a vertical shaft, a transverse shaft, an interlocking plate, a door locking plate, a reset torsion spring and a reset spring, wherein the vertical shaft is connected with the transverse shaft through the interlocking plate; the sliding block component, the vertical shaft and the horizontal shaft are sequentially connected in a driving way; the cross shaft is in driving connection with an interlocking plate; the reset torsion spring is arranged on the transverse shaft; the reset spring, the interlocking plate and the door lock plate are sequentially in driving connection; the door lock plate is arranged on the cable chamber door; when the acting force of the sliding block assembly drives the vertical shaft and the transverse shaft to rotate in sequence, when the transverse shaft rotates, the constraint on the interlocking plate is removed, the front end of the interlocking plate is declined under the action of the return spring to remove the limitation on the door locking plate on the cable chamber door, and the cable chamber door can be opened and closed; when the transverse shaft loses the acting force of the sliding block assembly on the transverse shaft, the transverse shaft and the vertical shaft return to the original position under the action of the reset torsion spring, and the transverse shaft acts to enable the front end of the interlocking plate to be upwards buckled or block a door locking plate on the cable chamber door, namely the cable chamber door cannot be opened or closed.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to an interlocking device of a three-position switch mechanism and a cable chamber door for an environment-friendly inflating cabinet.
Background
The three-position switch is an important component element in the environment-friendly inflatable cabinet and is a mechanical device capable of operating and completing the switching action of the working positions of the three-position switch; the device comprises three working position states of closing, isolating and grounding, and mechanical locking performance is achieved between stations, so that the device main circuit is prevented from being electrified to close the grounding switch, and the possibility of misoperation is avoided.
The cable chamber door is in the closed condition under normal operating condition, and primary main loop is in the circular telegram state this moment, and cable chamber door can not be opened from the outside. When the maintenance is needed, the breaker is switched off, the three-position switch is operated to the grounding position, then the breaker is switched on, and the interlocking device is released and the door of the rear cable chamber can be opened. When the overhaul is completed, the breaker opening operation can be carried out after the cable chamber door is closed, the three-station switch is operated to the closing position, then the breaker is closed, and one-time main loop power transmission is completed. The cable compartment door can only be opened and closed when the circuit breaker is in the on position while in the ground position at the three-position switch.
Because the environmental protection gas-filled cabinet has the characteristics of small volume, compact structure, modularized components and the like, the arrangement of the interlocking structure is difficult to realize or the structure is complex. At present, the size of the cabinet body of the environment-friendly inflatable cabinet in the market is small, and most of the environment-friendly inflatable cabinets are replaced by an electric interlocking mode.
Electric interlocking is because of its simple structure, the installation is convenient is the interlocking mode comparatively commonly used in the environmental protection gas-filled cabinet, install electromagnetic lock device promptly on cable chamber door, make electromagnetic lock device and electrified display form reverse electric shutting return circuit (electrified display gives the signal through the primary circuit), electromagnetic lock can be through the secondary control power supply and get electric actuation lock core after the primary circuit outage promptly, cable chamber door can be opened, electromagnetic lock outage loses the suction after the primary circuit circular telegram, cable chamber door can not be opened, but this kind of mode factor of safety is lower, components and parts damage easily.
Electric interlocking gets the electric signal and supplies for electromagnetism as the shutting condition and carry out whether locking cable chamber door through aerifing cabinet inlet wire sleeve pipe side capacitive sensor, and electric interlocking reliability depends on multiple factors such as the collection of electromagnetic lock and signal of telecommunication, and is not enough to artificial maloperation handle accuse, has certain potential safety hazard, can not guarantee the fortune dimension safety of equipment completely, causes threat and serious loss of property to fortune dimension personnel life safety.
The absence or the badness of the interlocking device can cause the misoperation of an operator to open the cable chamber door under the electrified condition, so that certain accidents are caused, and the personal safety of the operator is threatened and serious property loss is caused.
Therefore, how to improve the reliability of the interlocking device between the three-position switch and the cable chamber door to ensure the operation safety of the equipment is a problem to be solved in the field.
Disclosure of Invention
Aiming at the technical problem that the electrical interlocking between the existing three-position switch and a cable chamber door is low in reliability, the invention aims to provide a three-position switch mechanism and cable chamber door interlocking device for an environment-friendly gas-filled cabinet, which is mechanical interlocking and higher in reliability compared with the electrical interlocking, and well overcomes the problems in the prior art.
In order to achieve the aim, the interlocking device of the three-position switch mechanism and the cable chamber door for the environment-friendly inflating cabinet is characterized by comprising a sliding block assembly, a vertical shaft, a horizontal shaft, an interlocking plate, a door locking plate, a reset torsion spring and a reset spring;
the sliding block assembly is arranged on a three-station switch mechanism to be constructed; the sliding block assembly, the vertical shaft and the transverse shaft are sequentially in driving connection; the cross shaft is in driving connection with an interlocking plate; the reset torsion spring is arranged on the transverse shaft; the reset spring drives the connecting interlocking plate; the interlocking plate is connected with the door locking plate in a matching way; the door lock plate is arranged on a cable chamber door to be constructed; the middle partition plate is arranged between a mechanism chamber and a cable chamber of the three-station switch equipment to be constructed;
when the acting force of the sliding block assembly drives the vertical shaft and the transverse shaft to rotate in sequence, when the transverse shaft rotates, the constraint on the interlocking plate is removed, the front end of the interlocking plate is declined under the action of the return spring to remove the limitation on a door lock plate on the cable chamber door, namely the cable chamber door to be constructed can be opened and closed;
when the vertical shaft loses the acting force of the sliding block assembly on the vertical shaft, the horizontal shaft and the vertical shaft return to the original position under the action of the reset torsion spring, the front end of the interlocking plate is upwards tilted to block the door locking plate on the cable chamber door through the action of the horizontal shaft, and the cable chamber door cannot be opened or closed at the moment.
Further, the sliding block assembly consists of a sliding guide shaft and a position indication screw shaft; the position indication screw shaft is driven to rotate by a three-station switch mechanism to be constructed; the position indication screw rod is in driving connection with the limiting slide block to drive the limiting slide block to slide; the limiting slide block is connected with the sliding guide shaft in a matched mode and can slide in the sliding guide shaft.
Furthermore, a fixed guide fixing block is arranged between one end of the vertical shaft and the three-station switching mechanism to be constructed; the shaft end of the vertical shaft penetrates through the fixed guide fixing block to be fixed, and the vertical shaft is limited through the fixed guide fixing block.
Furthermore, one end of the vertical shaft is provided with a first interlocking crank arm; the first interlocking crank arm is positioned below the fixed guide fixing block and is positioned on the same horizontal plane with the limiting slide block; the first interlocking crank arm transmits the power of the limiting slide block to the vertical shaft.
Furthermore, the other end of the vertical shaft is provided with a second interlocking crank arm for receiving the power of the vertical shaft.
Further, the second interlocking crank arm is connected with a third interlocking crank arm; the third interlocking crank arm is fixed on one end of the transverse shaft; and the third interlocking crank arm receives the action of the second interlocking crank arm and transmits the action to the transverse shaft.
Further, a fourth interlocking crank arm is arranged at the other end of the transverse shaft; the fourth interlocking crank arm is in matched connection with the interlocking plate; and the fourth interlocking crank arm receives the transmission of the cross shaft and drives the interlocking plate to rotate.
Furthermore, a door lock hole is formed in the door lock plate and is used for being connected with the interlocking plate in a matched mode.
The interlocking device is connected with the cable chamber door through the connecting lever, the rotating shaft, the interlocking plate and the reset spring in a matched manner, so that a mechanical interlocking device is formed between the three-position switch mechanism and the cable chamber door, and the interlocking device is simple in structure and reliable in performance.
Drawings
The invention is further described below in conjunction with the appended drawings and the detailed description.
The invention is further described below in conjunction with the appended drawings and the detailed description.
FIG. 1 is a schematic view of the overall installation structure of the interlock device;
FIG. 2 is a schematic view of the overall construction of the interlock device;
FIG. 3 is a side schematic view of the overall construction of the present interlock device;
FIG. 4 is an assembled side view of the present interlock device;
fig. 5 is a schematic view of the operation of the interlock device.
1. Three-station switch mechanism 2, fixed guide fixing block 3, first interlocking connecting lever 4, limit slide block 5, vertical shaft 6, interlocking fixed mounting plate 7, median septum 8, cable chamber door 9, first side fixed guide plate 10, second side fixed guide plate 11, fourth interlocking connecting lever 12, interlocking plate rotating shaft 13, horizontal shaft 14, interlocking plate fixing plate 15, interlocking plate 16, door lock plate 17, second interlocking connecting lever 18, first fixing pin 19, third interlocking connecting lever 20, second fixing pin 21, reset torsion spring 22, reset spring 22
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Aiming at the technical problem that the reliability is low in the electrical interlocking between the existing three-position switch and the cable chamber door, the scheme provides the environment-friendly three-position switch mechanism and the cable chamber door interlocking device for the gas-filled cabinet based on the technical problem, the interlocking device is connected through the connecting lever, the rotating shaft, the interlocking plate and the reset spring in a mutually matched mode, and a mechanical type linkage device is formed between the three-position switch mechanism and the cable chamber door.
The interlocking device in the scheme comprises a three-position switch mechanism 1, see fig. 1-4, a sliding block assembly, a fixed guide block 2, a first interlocking crank arm 3, a vertical shaft 5, a middle partition plate 7, a fourth interlocking crank arm 11, a horizontal shaft 14, an interlocking plate 15, a door lock plate 16, a second interlocking crank arm 17, a third interlocking crank arm 19, a reset torsion spring 21 and a reset spring 22.
The three-station switching mechanism 1 comprises three indication positions of closing, isolating and grounding; the construction and operation of the three-position switching mechanism 1 are well known to those skilled in the art and will not be described in detail here.
The fixed guide fixed block 2 is fixedly arranged on a frame plate of the three-station switching mechanism 1 through a fastening screw, and a shaft hole of the fixed guide fixed block is arranged in the vertical direction; the step at the shaft end of the vertical shaft 5 passes through the shaft hole of the fixed guide block 2, and the end surface is fixed by a fastener, so that the vertical shaft 5 cannot move up and down.
The fixed guide fixing block 2 is connected with the vertical shaft 5, on one hand, can provide support for the upper end of the vertical shaft 5, and on the other hand, plays an axial limiting role in the vertical shaft 5.
The slide block assembly is composed of a limit slide block 4, a slide guide shaft (not shown in the figure) and a position indication screw shaft (not shown in the figure).
The limiting slide block 4 is fixed on the three-station switch mechanism 1 through a sliding guide shaft and a position indication screw shaft; the sliding guide shaft and the guide shaft hole on the limiting slide block 4 are coaxial, and the limiting slide block 4 can slide along the sliding guide shaft.
The position indication screw rod is matched with the limiting slide block 4 through trapezoidal threads, when the three-position switch mechanism 1 acts, the position indication screw rod shaft is driven to rotate, and the limiting slide block 4 is driven to move in the rotating process of the position indication screw rod shaft, so that the limiting slide block 4 slides along the sliding guide shaft.
The first interlocking crank arm 3 is welded and fixed at a shaft shoulder at the upper part of the vertical shaft 5, is positioned below the fixed guide fixing block 2 after being installed, is positioned on the same horizontal plane with a sliding pin on the limiting slide block 4, and when the limiting slide block 4 moves to a grounding position, the limiting slide block 4 can push the first interlocking crank arm 3 to move.
One end of the vertical shaft 5 is fixed on the fixed guide fixing block 2 and is used for transmitting axial rotation action to the first interlocking crank arm 3; the other end is fixed on a first side fixed guide plate 9, and the first side fixed guide plate 9 is used for providing support for the lower end of the vertical shaft 5.
The interlocking fixing and mounting plate 6 is used for fixedly supporting a first side fixing and guiding plate 9 and a second side fixing and guiding plate 10; is mounted on the middle partition 7.
The middle partition plate 7 is used for fixing the interlocking fixing mounting plate 6, the front end of the middle partition plate contains a door lock plate lock hole, and the middle partition plate simultaneously plays a role in isolating the three-station switch equipment mechanism chamber 1 from the cable chamber 8.
The second interlocking crank arm 17 is fixed at the lower end of the vertical shaft 5 and is in driving connection with the third interlocking crank arm 19 through a first fixing pin 18, and is used for transmitting the motion of the vertical shaft 5 and driving the third interlocking crank arm 19 to move through thrust.
The third interlocking crank arm 19 is fixed on the transverse shaft 13 through a second fixing pin 20; the third interlocking lever 19 receives motion from the second interlocking lever 17 and transmits motion to the cross shaft 13, thereby rotating the cross shaft 13.
The horizontal shaft 13 transmits the action from the vertical shaft 5, and converts the longitudinal rotation into the transverse rotation; the second side fixed guide plate 10 is installed at the right end of the lateral shaft 13.
Meanwhile, a reset torsion spring 21 is added in the middle of the transverse shaft 13 for resetting; the reset torsion spring 21 is sleeved on the cross shaft 13, one end of each of the two torsion arms is pressed on the fixing pin of the cross shaft 13, the fixing pin plays a limiting role to keep the torsion spring in a pre-torsion force, and the other end of each of the two torsion arms is pressed on the second side fixing plate 10.
When the force of the upper limiting slide block 4 of the three-station switching mechanism 1 on the first interlocking crank arm 3 is reduced, at the moment, the force of the reset torsion spring 21 is greater than the rotating force of the cross shaft 13, the cross shaft 13 rotates under the action of the force of the reset torsion spring 21, and the torsion spring releases energy; when the acting force of the upper limiting slide block 4 of the three-position switch mechanism 1 is increased on the first interlocking crank arm 3, the cross shaft 13 rotates through the first interlocking crank arm 3, at the moment, the rotating force of the cross shaft 13 is larger than the torsional spring force, and the torsional spring stores energy.
Further, the tail end of the right side of the cross shaft 13 penetrates through the second side fixed guide plate 10 to be connected with the fourth interlocking crank arm 11, and the cross shaft 13 rotates to drive the fourth interlocking crank arm to move 11.
The interlocking plate 15 rotating shaft connects the interlocking fixing plate 14 with the interlocking plate 15; the interlocking plate 15 is connected with the fourth interlocking crank arm 11; the fourth interlocking crank arm 11 rotates to rotate the interlocking plate 15 around the interlocking plate rotating shaft 12.
One end of the return spring 22 is hooked on the middle row hole on the interlocking fixing plate 14, and the other end is hooked on the side row hole behind the interlocking plate 15; when the interlocking plate 15 receives the acting force of the fourth interlocking crank arm 11, the front end of the interlocking plate 15 rotates around the interlocking plate rotating shaft 12, the front end tilts upwards, the return spring 22 is stretched, and the return spring 22 stores energy; when the interlocking plate 15 is subjected to the force of the fourth interlocking crank arm 11 and is reduced, the front end of the interlocking plate 15 is gradually inclined downwards under the resilience force of the return spring 22, and the return spring 22 releases energy.
The door lock plate 16 is arranged at the upper end of the right side of the cable chamber door 8, and the door lock plate 16 is provided with two threaded fixing holes which are fixed through fastening screws; which cooperates with interlocking plate 15.
The interlock plate 15 serves to restrain the door lock plate 16; when the front end of the interlocking plate 15 is inclined downwards under the action of the resilience force of the return spring 22, the interlocking plate can be inserted into or pulled out of a door lock hole in the middle partition plate 7, namely, the cable chamber door 8 can be opened or closed; when the interlocking plate 15 receives the acting force of the fourth interlocking crank arm 11, the front end of the interlocking plate 15 is upwards tilted to block or buckle the door lock hole on the middle partition plate 7, and the door lock plate 16 cannot be inserted or pulled out, namely the cable chamber door 8 cannot be opened or closed.
The working process of the method in specific application is illustrated as follows:
when the three-position switch mechanism 1 is applied specifically, the three-position switch mechanism 1 can drive the position indication screw shaft to rotate when acting, and the position indication screw shaft drives the limiting slide block 4 to move in the rotating process, so that the limiting slide block 4 slides along the sliding guide shaft.
Referring to fig. 5, when the grounding indication position is reached, the first interlocking connecting lever 3 with one end fixed on the fixed guide block 2 on the three-position switch mechanism 1 is jacked, the first interlocking connecting lever 3, the vertical shaft 5 and the second interlocking connecting lever 17 rotate together around the vertical shaft, the first fixing pin 18 on the second interlocking connecting lever 17 drives the second fixing pin 20 on the third interlocking connecting lever 19 to move, so that the third interlocking connecting lever 19 drives the horizontal shaft 13 to rotate, the horizontal shaft 13 rotates to drive the fourth interlocking connecting lever 11 at the tail end of the horizontal shaft to rotate, the constraint on the interlocking plate 15 is gradually released, the front end of the interlocking plate 15 is inclined downwards under the interlocking action of the reset spring 22 to release the limitation on the door locking plate 16 on the cable chamber door 8, and the cable chamber door 8 can be opened after the circuit breaker is closed again.
When the three-station switching mechanism 1 moves from the grounding position to the isolation position, the first interlocking crank arm 3 loses the acting force of the limiting slide block 4 on the first interlocking crank arm, the transverse shaft 13 and the vertical shaft 5 return to the original position under the action of the reset torsion spring 21, the fourth interlocking crank arm 11 moves to enable the interlocking plate 15 to rotate around the interlocking plate rotating shaft 12, the front end of the interlocking plate rotates to be upwards buckled or block a lock plate hole at the front end of the middle partition plate 7, and at the moment, the cable chamber door 8 cannot be opened or closed.
The interlocking device for the three-position switch mechanism and the cable chamber door for the environment-friendly inflatable cabinet is formed by the scheme, the interlocking device enables mechanical interlocking to be formed between the three-position switch mechanism and the cable chamber door through the connecting lever, the rotating shaft, the interlocking plate, the door lock plate, the reset spring and the like, the cable chamber door is possible to be opened only when the three-position switch is in a grounding position and the breaker is switched on, safety guarantee is provided for operation and maintenance of equipment, and when the inside of the equipment fails to be opened, a fastening piece between the door lock plate and the cable chamber door can be removed from the outside to perform forced unlocking and removal; when in use, the following advantages are provided:
(1) safety guarantee is provided for the operation and maintenance of the environment-friendly inflating cabinet, and the probability of accidents caused by misoperation is reduced;
(2) the structure is simple, the performance is reliable, and the installation is convenient;
(3) the interlocking can be forcibly released from the outside, so that the fault is eliminated, and the safety of the device is greatly improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An interlocking device of a three-station switch mechanism and a cable chamber door for an environment-friendly inflatable cabinet is characterized by comprising a sliding block assembly, a vertical shaft, a transverse shaft, an interlocking plate, a door locking plate, a reset torsion spring and a reset spring;
the sliding block assembly is arranged on a three-station switch mechanism to be constructed; the sliding block assembly, the vertical shaft and the transverse shaft are sequentially in driving connection; the cross shaft is in driving connection with an interlocking plate; the reset torsion spring is arranged on the transverse shaft; the reset spring drives the connecting interlocking plate; the interlocking plate is connected with the door locking plate in a matching way; the door lock plate is arranged on a cable chamber door to be constructed; the middle partition plate is arranged between a mechanism chamber and a cable chamber of the three-station switch equipment to be constructed;
when the acting force of the sliding block assembly drives the vertical shaft and the transverse shaft to rotate in sequence, when the transverse shaft rotates, the constraint on the interlocking plate is removed, the front end of the interlocking plate is declined under the action of the return spring to remove the limitation on a door lock plate on the cable chamber door, namely the cable chamber door to be constructed can be opened and closed;
when the vertical shaft loses the acting force of the sliding block assembly on the vertical shaft, the horizontal shaft and the vertical shaft return to the original position under the action of the reset torsion spring, the front end of the interlocking plate is upwards tilted to block the door locking plate on the cable chamber door through the action of the horizontal shaft, and the cable chamber door cannot be opened or closed at the moment.
2. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 1, wherein the sliding block assembly is composed of a sliding guide shaft and a position indication screw shaft; the position indication screw shaft is driven to rotate by a three-station switch mechanism to be constructed; the position indication screw rod is in driving connection with the limiting slide block to drive the limiting slide block to slide; the limiting slide block is connected with the sliding guide shaft in a matched mode and can slide in the sliding guide shaft.
3. The interlocking device of the three-position switch mechanism and the cable chamber door for the environment-friendly inflatable cabinet as claimed in claim 1, wherein a fixed guide fixing block is arranged between one end of the vertical shaft and the three-position switch mechanism to be constructed; the shaft end of the vertical shaft penetrates through the fixed guide fixing block to be fixed, and the vertical shaft is limited through the fixed guide fixing block.
4. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 1, wherein a first interlocking crank arm is arranged at one end of the vertical shaft; the first interlocking crank arm is positioned below the fixed guide fixing block and is positioned on the same horizontal plane with the limiting slide block; the first interlocking crank arm transmits the power of the limiting slide block to the vertical shaft.
5. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 1, wherein a second interlocking crank arm for receiving power of the vertical shaft is arranged at the other end of the vertical shaft.
6. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 5, wherein the second interlocking connecting lever is connected with a third interlocking connecting lever; the third interlocking crank arm is fixed on one end of the transverse shaft; and the third interlocking crank arm receives the action of the second interlocking crank arm and transmits the action to the transverse shaft.
7. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 1, wherein a fourth interlocking crank arm is arranged at the other end of the transverse shaft; the fourth interlocking crank arm is in matched connection with the interlocking plate; and the fourth interlocking crank arm receives the transmission of the cross shaft and drives the interlocking plate to rotate.
8. The interlocking device of the three-position switch mechanism and the cable chamber door for the environmental-friendly inflatable cabinet as claimed in claim 1, wherein the door lock plate is provided with a door lock hole for being matched and connected with the interlocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646364.7A CN113327792A (en) | 2021-06-10 | 2021-06-10 | Three-station switch mechanism and cable chamber door interlocking device for environment-friendly inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646364.7A CN113327792A (en) | 2021-06-10 | 2021-06-10 | Three-station switch mechanism and cable chamber door interlocking device for environment-friendly inflating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113327792A true CN113327792A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110646364.7A Pending CN113327792A (en) | 2021-06-10 | 2021-06-10 | Three-station switch mechanism and cable chamber door interlocking device for environment-friendly inflating cabinet |
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| CN (1) | CN113327792A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990688A (en) * | 2021-10-28 | 2022-01-28 | 许昌许继软件技术有限公司 | Cabinet door interlocking device for switch equipment and switch equipment |
| CN114141557A (en) * | 2021-10-18 | 2022-03-04 | 上海益君电气有限公司 | Aerify cabinet cable chamber door and prevent mistake interlocking device |
-
2021
- 2021-06-10 CN CN202110646364.7A patent/CN113327792A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141557A (en) * | 2021-10-18 | 2022-03-04 | 上海益君电气有限公司 | Aerify cabinet cable chamber door and prevent mistake interlocking device |
| CN114141557B (en) * | 2021-10-18 | 2024-04-05 | 上海益君电气有限公司 | Anti-misoperation interlocking device for cable chamber door of inflatable cabinet |
| CN113990688A (en) * | 2021-10-28 | 2022-01-28 | 许昌许继软件技术有限公司 | Cabinet door interlocking device for switch equipment and switch equipment |
| CN113990688B (en) * | 2021-10-28 | 2024-04-12 | 许昌许继软件技术有限公司 | Cabinet door interlocking device for switch equipment and switch equipment |
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