CN218921404U - Rat-proof device for machine room entrance - Google Patents
Rat-proof device for machine room entrance Download PDFInfo
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- CN218921404U CN218921404U CN202320065202.9U CN202320065202U CN218921404U CN 218921404 U CN218921404 U CN 218921404U CN 202320065202 U CN202320065202 U CN 202320065202U CN 218921404 U CN218921404 U CN 218921404U
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Abstract
The utility model discloses a rat-proof device of a machine room inlet, which is provided with a door frame at the machine room inlet, and comprises: the rotating shaft is tightly adhered to the door frame; one side of the mouse-proof plate is rotatably arranged on the rotating shaft, so that the mouse-proof plate can rotate between an open position and a closed position to correspondingly open or close the entrance of the machine room; the bottom of the rat guard is close to the ground, and a handle is arranged on the rat guard; the magnetic attraction structure comprises a first magnetic attraction piece and a second magnetic attraction piece, wherein the first magnetic attraction piece is arranged on one side of the rat guard, far away from the rotating shaft, two second magnetic attraction pieces are arranged on the ground, one second magnetic attraction piece is used for being attracted by the first magnetic attraction piece when the rat guard rotates to an open position, and the other second magnetic attraction piece is used for being attracted by the first magnetic attraction piece when the rat guard rotates to a closed position; and the controller is in communication connection with the first magnetic attraction piece and/or the second magnetic attraction piece. The opening and closing of the rat guard are simple, convenient and quick, so that the rat guard is convenient for workers to enter and exit, and a rat guard does not need to be disassembled and assembled.
Description
Technical Field
The utility model relates to the field of machine rooms, in particular to a rat-proof device for an inlet of a machine room.
Background
At present, a machine room, such as a data center machine room, needs to prevent mice and some small animals from entering the machine room, particularly in winter, because the temperature of the rooms is high, when workers enter the rooms for maintenance and inspection, the mice and some small animals can steal and climb into electrified equipment from the entrance of the machine room to bite to cause short circuit and grounding of the equipment, so that the equipment cannot normally operate. The traditional mouse-proof device of computer lab entry usually includes the protection against rodents board, sets up reflection of light strip and glues the mouse strip on the protection against rodents board and sets up in the fixed picture peg of protection against rodents board both sides, and the both sides cartridge of protection against rodents board is in the slotted hole of fixed picture peg, and fixed picture peg other end is fixed in on the wall of door both sides. So set up, the staff must step over the protection against rodents board when getting into the computer lab, causes every time business turn over must raise the leg and take a step into, and business turn over inconvenience still has the risk of tripping over the staff, moreover, if carry article or handling equipment and get into the data center computer lab then probably need demolish the protection against rodents board, and the self weight and the great size of protection against rodents board demolish inconveniently. In addition, when the rat guard is reinstalled, the process of reinserting both sides thereof into the slot holes of the fixing insert plate is difficult, and also requires a plurality of operations, which is inconvenient to assemble.
Disclosure of Invention
The utility model mainly aims to provide a rat-proof device for a machine room inlet, and aims to solve the problems that the rat-proof device for the existing machine room inlet causes inconvenient access and inconvenient disassembly of workers.
In order to achieve the above object, the present utility model provides a rat guard for a machine room entrance, the machine room entrance having a door frame, the rat guard for the machine room entrance comprising:
the rotating shaft is tightly attached to the door frame;
the mouse preventing plate is rotatably arranged on the rotating shaft at one side of the mouse preventing plate, so that the mouse preventing plate can rotate between an opening position and a closing position to correspondingly open or close the machine room inlet; the bottom of the rat guard is close to the ground, and a handle is arranged on the rat guard;
the magnetic attraction structure comprises a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is arranged on one side, far away from the rotating shaft, of the rat guard, two second magnetic attraction pieces are arranged on the ground, one second magnetic attraction piece is used for being attracted with the first magnetic attraction piece when the rat guard rotates to an open position, and the other second magnetic attraction piece is used for being attracted with the first magnetic attraction piece when the rat guard rotates to a closed position;
and the controller is in communication connection with the first magnetic attraction piece and/or the second magnetic attraction piece.
Optionally, the number of the rotating shafts is two, the two rotating shafts are respectively located at two opposite sides of the machine room inlet, the number of the mouse-proof plates is two, the two mouse-proof plates are respectively rotatably installed on the two rotating shafts, and the two mouse-proof plates are matched to close the machine room inlet when both rotate to a closing position; the first magnetic attraction pieces are arranged on one side, away from the corresponding rotating shaft, of each rat guard; the second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard when the rat guard rotates to the opening position, and the other second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard when the rat guard rotates to the closing position.
Optionally, the first magnetic attraction piece and the second magnetic attraction piece are electromagnets.
Optionally, the rat guard device at the entrance of the machine room further comprises an entrance guard recognition device, and the controller, the first magnetic attraction piece and the second magnetic attraction piece are all in communication connection with the entrance guard recognition device.
Optionally, a magnetic adhesive tape close to the ground is arranged at the bottom of the rat guard, and the magnetic adhesive tape is used for being adsorbed by the corresponding second magnetic attraction piece when the rat guard rotates to a closing position.
Optionally, a liquid sensor is arranged on the magnetic adhesive tape, and the liquid sensor is in communication connection with the controller.
Optionally, an illuminating lamp is further arranged on the magnetic adhesive tape, and the illuminating lamp is in communication connection with the controller.
Optionally, the computer lab entrance is provided with warning light and display screen, the warning light with the display screen all with controller communication connection.
Optionally, the rat guard at the entrance of the machine room further comprises a torsion spring, the torsion spring is sleeved on the rotating shaft, one torsion arm of the torsion spring is connected to the rotating shaft, and the other torsion arm of the torsion spring is connected to the top of the rat guard.
Optionally, the handle is disposed on a side of the rat guard away from the rotating shaft, and the handle extends vertically upwards to form a rod-shaped structure.
The rat guard at the entrance of the machine room is provided with the rat guard and the magnetic structure, so that the rat guard is simple, convenient and quick to open and close, a worker can lift the rat guard to cross the rat guard when entering and exiting the machine room, the worker can conveniently enter and exit the machine room, the risk of tripping the worker is avoided, the rat guard does not need to be disassembled even when carrying articles or carrying equipment, and the rat guard is simple and quick, and the rat guard can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a rat-proof device at an entrance of a machine room according to an embodiment of the utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | |
5 | |
| 2 | |
6 | Handle grip |
| 3 | |
7 | |
| 4 | Door frame |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; the device can be mechanically connected or in communication; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a rat-proof device for an entrance of a machine room.
As shown in fig. 1, a door frame 4 is arranged at an inlet 7 of a machine room, and a rat guard of the inlet 7 of the machine room comprises a rotating shaft 1, a rat guard plate 2, a magnetic attraction structure 3 and a controller, wherein the rotating shaft 1 is tightly attached to the door frame 4; one side of the rat guard 2 is rotatably installed on the rotating shaft 1, so that the rat guard 2 can rotate between an open position and a closed position to correspondingly open or close the machine room inlet 7; the bottom of the rat guard 2 is arranged close to the ground, and a handle 6 is arranged on the rat guard 2; the magnetic attraction structure 3 comprises a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is arranged on one side of the rat guard 2 far away from the rotating shaft 1, two second magnetic attraction pieces are arranged on the ground, one second magnetic attraction piece is used for being attracted by the first magnetic attraction piece when the rat guard 2 rotates to the open position, and the other second magnetic attraction piece is used for being attracted by the first magnetic attraction piece when the rat guard 2 rotates to the closed position; the controller is in communication connection with the first magnetic attraction piece and the second magnetic attraction piece.
Specifically, the rotating shaft 1 is tightly attached to the door frame 4, and a gap through which mice can pass is not reserved between the rotating shaft and the door frame, so that a rat-proof effect is achieved. The rat guard 2 is rotatably arranged on the rotating shaft 1 and can rotate to an open position and a closed position relative to the rotating shaft 1, wherein when the rat guard 2 rotates to the open position, the rat guard 2 opens the machine room inlet 7 for normal passing of staff; when the rat guard 2 rotates to the closed position, the rat guard 2 closes the machine room inlet 7, and as the bottom of the rat guard 2 is close to the ground, rats or other small animals can be blocked and prevented from passing through when the rat guard 2 closes the machine room inlet 7, so that the rat guard or other small animals can be prevented. A handle 6 is fixed on the rat guard 2, the handle 6 can vertically extend upwards to a position which can be reached by a human hand, and a worker can pull the rat guard 2 without bending down; the first magnetic attraction piece is arranged on one side of the rat guard 2 far away from the rotating shaft 1, and two second magnetic attraction pieces are arranged on the ground, wherein one of the second magnetic attraction pieces is positioned at a position corresponding to the first magnetic attraction piece when the rat guard 2 is in an open position, so that the first magnetic attraction piece is attracted when the rat guard 2 rotates to the open position, the rat guard 2 is fixed in the open position, a worker can conveniently enter the machine room from the machine room inlet 7, and the worker does not need to lift the leg to cross the rat guard 2 when entering the machine room, so that the robot is convenient to enter and exit, the risk of tripping the worker does not exist, in addition, the robot 2 does not need to be removed even if carrying articles or carrying equipment enters the machine room from the machine room inlet 7, repeated disassembly is not needed, and the robot is simple and quick; the other second magnetic attraction piece is positioned at a position of the rat guard 2 corresponding to the first magnetic attraction piece when the rat guard 2 is in the closed position, so that the second magnetic attraction piece is attracted by the first magnetic attraction piece when the rat guard 2 rotates to the closed position, the rat guard 2 is fixed in the closed position, and the rat guard function of the rat guard 2 is ensured.
The controller is in communication connection with the first magnetic attraction piece and/or the second magnetic attraction piece, and can control the magnetic attraction process of the first magnetic attraction piece and the second magnetic attraction piece. The first magnetic attraction piece and the second magnetic attraction piece can be electromagnets, and the controller is in communication connection with the first magnetic attraction piece and the second magnetic attraction piece; or the first magnetic attraction piece is an electromagnet, the second magnetic attraction piece is a metal piece, and the controller is in communication connection with the first magnetic attraction piece; or, the first magnetic attraction piece is a metal piece, the second magnetic attraction piece is an electromagnet, and the controller is in communication connection with the second magnetic attraction piece. The controller can adopt a PLC or a singlechip in the prior art and is used for receiving data, analyzing the data and sending signals, and can control the magnetic attraction structure 3 or other electrical devices in the device. It can be understood that the electromagnet can be controlled by the controller to switch on and off the power supply, so that the magnetic force of the electromagnet can be regulated and controlled in real time.
The rat guard of this embodiment computer lab entry 7 is through setting up rat guard 2 and magnetism and inhale structure 3, makes the opening of rat guard and close simple and convenient swiftly, and the staff lifts the leg when business turn over computer lab and steps over rat guard 2, and convenient business turn over does not also have the risk of tripping staff, even also need not dismouting rat guard 2 when carrying article or handling equipment, and simple and fast just can guarantee the protection against rodents effect of rat guard 2.
In an embodiment, the second magnetic attraction pieces are arranged on the ground positions corresponding to the closed position and the open position of the rat guard 2, the first magnetic attraction pieces are metal pieces, such as metal blocks, the second magnetic attraction pieces are controlled to send out magnetic force to the metal blocks so as to fix the rat guard 2, and unlocking of the rat guard 2 can be achieved by disconnecting the power supply of the second electromagnet.
In another embodiment, the two ground positions corresponding to the closed position and the open position of the rat guard 2 are both provided with metal pieces, such as a second magnetic attraction piece of a metal block, the first magnetic attraction piece is an electromagnet, the first electromagnet is controlled to send out magnetic force to the metal block to complete the fixing of the rat guard 2, and the unlocking of the rat guard 2 can be achieved by disconnecting the power supply of the first electromagnet.
In the preferred embodiment, the first magnetic attraction piece and the second magnetic attraction piece are electromagnets, so that the controller can regulate and control the first magnetic attraction piece and the second magnetic attraction piece more flexibly, the position of the rat guard 2 can be fixed by controlling the first magnetic attraction piece, and the position of the rat guard 2 can be fixed by controlling the second magnetic attraction piece, and the method is not limited specifically.
In an embodiment, the number of the rotating shafts 1 is two, the two rotating shafts 1 are respectively positioned at two opposite sides of the machine room inlet 7, the number of the rat guard plates 2 is two, the two rat guard plates 2 are respectively rotatably arranged on the two rotating shafts 1, and the two rat guard plates 2 are mutually matched to close the machine room inlet 7 when both rotate to a closing position; a first magnetic attraction piece is arranged on one side of each rat guard 2 far away from the corresponding rotating shaft 1; the second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard plates 2 when rotating to the open position, and the other second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard plates 2 when rotating to the closed position.
By arranging two rotating shafts 1 and two rat guard plates 2, a side-by-side combination door structure is realized. The two sides of the rat guard 2 can be opened or closed, so that different opening scenes can be flexibly coped with, for example, when a single person passes through, the single side of the rat guard 2 is opened, and if equipment is carried, the two sides of the rat guard 2 are opened, so that the blockage is prevented. The two rat guard plates 2 are matched with each other to close the machine room inlet 7 when rotating to the closing position, so that gaps are avoided in the machine room inlet 7, and the rat guard reliability is good. In addition, a first magnetic attraction piece is arranged on one side, away from the corresponding rotating shaft 1, of each rat guard 2; the second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard plates 2 when rotating to the open position, and the other second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard plates 2 when rotating to the closed position. Namely, two pairs of second magnetic attraction pieces are arranged on the ground in total, wherein one pair of second magnetic attraction pieces are respectively positioned at positions corresponding to the first magnetic attraction pieces when one rat guard 2 is in an open position and a closed position, and the other pair of second magnetic attraction pieces are respectively positioned at positions corresponding to the first magnetic attraction pieces when the other rat guard 2 is in the open position and the closed position, so that independent opening and closing and fixing of the two rat guards 2 are realized, and the device is flexible and convenient.
In an embodiment, the rat-proof device of the machine room inlet 7 further comprises an entrance guard recognition device, and the controller, the first magnetic attraction piece and the second magnetic attraction piece are all in communication connection with the entrance guard recognition device. The access control identification device can be a card swiping device, a biological identification device and the like in the prior art, and a worker operates the access control identification device to transmit signals to the controller and further control the magnetic attraction structure 3. Specifically, when the staff goes into and out of the hangar entrance, through pressing the button of opening the door and or swiping the entrance guard card, the controller reads and discerns staff's operation instruction, and first electro-magnet or second electro-magnet release magnetic attraction, and protection against rodents board 2 are in the free state that can open and shut this moment, and the staff pulls open the handle and can realize the operation of opening the door.
In an embodiment, the bottom of the rat guard 2 is provided with a magnetic adhesive tape near the ground, and the magnetic adhesive tape is used for being adsorbed by the corresponding second magnetic attraction piece when the rat guard 2 rotates to the closed position. When the rat guard 2 rotates to the closed position, the second magnetic attraction piece on the ground attracts the magnetic adhesive tape at the edge of the lower part of the rat guard 2, so that the state of the closed ground is kept, and a better rat guard effect is achieved.
In one embodiment, the magnetic adhesive tape is provided with a liquid sensor which is in communication connection with the controller. When the liquid sensor detects ground water immersion, a signal is sent to the controller, and the controller gives a warning to remind a user of paying attention to the machine room water immersion. Further, the ground near the rat guard 2 is also provided with a drainage mechanism which is arranged at the low position of the machine room inlet 7, when the liquid sensor of the rat guard 2 detects that water is immersed below the rat guard, a sewage pump of the drainage mechanism can be started automatically after a period of time, accumulated water at the low position is pumped out of the room through a pre-buried pipeline, so that the immersed accumulated water at the low position is discharged in time, and the safety of the machine room inlet 7 is further ensured; when the accumulated water is drained, the drainage pump automatically stops rotating.
In an embodiment, the magnetic adhesive tape is further provided with an illuminating lamp, and the illuminating lamp is in communication connection with the controller. The illumination can be the LED lamp, when protection against rodents board 2 is opened, and controller control light is lighted, opens local illumination, is convenient for provide the illumination for the staff when the passageway illuminance is not enough in the computer lab, can also improve the identifiable luminance of computer lab entrance 7 video monitoring, prevents to influence the camera and records high-quality picture.
In an embodiment, the machine room entrance 7 is further provided with a warning lamp 5 and a display screen, and the warning lamp 5 and the display screen are both in communication connection with the controller. The warning lamp 5 can be a multicolor signal lamp, and when the rat guard 2 is in the closed position, the green signal lamp is normally on; when the rat guard 2 is kept in the open position, a yellow signal lamp is lighted; when a delay closing failure or water immersion triggering alarm occurs, a red lamp is turned on to remind workers. In a preferred embodiment, the warning light 5 may have a buzzer and voice effect, and when a delayed turn-off failure occurs or a water immersion triggers an alarm, a red light is turned on to alert staff associates, and a buzzer and voice alert may be generated. The display screen can display control software and an interface of the entrance guard recognition device, so that the working state of the rat-proof device at the entrance 7 of the machine room can be obtained, and meanwhile, the state of the door opening and closing is linked with the video monitoring at the entrance 7 of the machine room, so that the video information can be conveniently consulted, and the state of the staff entering and exiting the machine room can be checked and inquired. The display screen can be arranged remotely and connected with the controller in a wireless communication manner.
In an embodiment, the rat guard of the machine room inlet 7 further includes a torsion spring, the torsion spring is sleeved on the rotating shaft 1, one torsion arm of the torsion spring is connected to the rotating shaft 1, and the other torsion arm of the torsion spring is connected to the top of the rat guard 2. The torsion spring has an elastic reset function, and is twisted when a worker rotates the rat guard 2 from the closed position to the open position through the handle 6. After the staff gets into the computer lab through computer lab entry 7, the torsional spring can drive the protection against rodents board 2 under its elasticity restoring force from open position automatic rotation to closed position, and is simple swift, improves the validity and the reliability of protection against rodents effect of protection against rodents board 2.
In one embodiment, the handle 6 is disposed on a side of the rat guard 2 away from the rotating shaft 1, and the handle 6 extends vertically upwards to be in a rod-shaped structure. It can be appreciated that the vertically upward extending handle 6 is parallel to the door frame 4 of the machine room, so that a worker can conveniently drive the rat guard 2 to rotate around the rotating shaft 1 through the handle 6 to open or close the machine room inlet 7. The handle 6 extends vertically upwards to a position which can be reached by a human hand, the rat guard 2 can be pulled without bending down by a user, and the rat guard is simple and convenient, and the handle 6 is of a rod-shaped structure, so that the rat guard is convenient for a worker to grasp.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The utility model provides a protection against rodents device of computer lab entry, computer lab entrance has the door frame, its characterized in that, the protection against rodents device of computer lab entry includes:
the rotating shaft is tightly attached to the door frame;
the mouse preventing plate is rotatably arranged on the rotating shaft at one side of the mouse preventing plate, so that the mouse preventing plate can rotate between an opening position and a closing position to correspondingly open or close the machine room inlet; the bottom of the rat guard is close to the ground, and a handle is arranged on the rat guard;
the magnetic attraction structure comprises a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is arranged on one side, far away from the rotating shaft, of the rat guard, two second magnetic attraction pieces are arranged on the ground, one second magnetic attraction piece is used for being attracted with the first magnetic attraction piece when the rat guard rotates to an open position, and the other second magnetic attraction piece is used for being attracted with the first magnetic attraction piece when the rat guard rotates to a closed position;
and the controller is in communication connection with the first magnetic attraction piece and/or the second magnetic attraction piece.
2. The device for preventing mice at the entrance of the machine room according to claim 1, wherein the number of the rotating shafts is two, the two rotating shafts are respectively positioned at two opposite sides of the entrance of the machine room, the number of the two mouse-preventing boards is two, the two mouse-preventing boards are respectively rotatably installed on the two rotating shafts, and the two mouse-preventing boards are matched to close the entrance of the machine room when both the two mouse-preventing boards rotate to a closing position; the first magnetic attraction pieces are arranged on one side, away from the corresponding rotating shaft, of each rat guard; the second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard when the rat guard rotates to the opening position, and the other second magnetic attraction pieces are arranged on the ground corresponding to the positions of the rat guard when the rat guard rotates to the closing position.
3. The apparatus according to claim 2, wherein the first magnetic attraction element and the second magnetic attraction element are both electromagnets.
4. The apparatus for preventing mice at an entrance of a machine room according to claim 3, wherein the apparatus for preventing mice at an entrance of a machine room further comprises an entrance guard recognition apparatus, and the controller, the first magnetic attraction piece and the second magnetic attraction piece are all in communication connection with the entrance guard recognition apparatus.
5. The apparatus according to claim 1, wherein a magnetic adhesive tape is provided at the bottom of the rat guard and is close to the ground, and the magnetic adhesive tape is used for being attracted to the corresponding second magnetic attraction member when the rat guard is rotated to the closed position.
6. The device for preventing mice at an entrance of a machine room according to claim 5, wherein a liquid sensor is arranged on the magnetic adhesive tape, and the liquid sensor is in communication connection with the controller.
7. The device for preventing mice at the entrance of a machine room according to claim 5, wherein an illuminating lamp is further arranged on the magnetic adhesive tape, and the illuminating lamp is in communication connection with the controller.
8. The device for preventing mice at an entrance of a machine room according to any one of claims 1 to 7, wherein a warning lamp and a display screen are arranged at the entrance of the machine room, and the warning lamp and the display screen are both in communication connection with the controller.
9. The apparatus according to any one of claims 1 to 7, wherein the apparatus further comprises a torsion spring, the torsion spring is sleeved on the rotating shaft, one torsion arm of the torsion spring is connected to the rotating shaft, and the other torsion arm of the torsion spring is connected to the top of the rat guard.
10. The apparatus according to any one of claims 1 to 7, wherein the pull handle is provided at a side of the rat guard remote from the rotation shaft, and the pull handle is vertically extended upward in a rod-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065202.9U CN218921404U (en) | 2023-01-05 | 2023-01-05 | Rat-proof device for machine room entrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065202.9U CN218921404U (en) | 2023-01-05 | 2023-01-05 | Rat-proof device for machine room entrance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218921404U true CN218921404U (en) | 2023-04-28 |
Family
ID=86092059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320065202.9U Active CN218921404U (en) | 2023-01-05 | 2023-01-05 | Rat-proof device for machine room entrance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218921404U (en) |
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2023
- 2023-01-05 CN CN202320065202.9U patent/CN218921404U/en active Active
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