CN209965074U - Turnover lifting type rat-proof baffle - Google Patents
Turnover lifting type rat-proof baffle Download PDFInfo
- Publication number
- CN209965074U CN209965074U CN201920818338.6U CN201920818338U CN209965074U CN 209965074 U CN209965074 U CN 209965074U CN 201920818338 U CN201920818338 U CN 201920818338U CN 209965074 U CN209965074 U CN 209965074U
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- Prior art keywords
- turnover plate
- sliding
- plate
- roll
- turnover
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- 230000007306 turnover Effects 0.000 title claims abstract description 76
- 241000283984 Rodentia Species 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 241000699666 Mus <mouse, genus> Species 0.000 description 3
- 241000699670 Mus sp. Species 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 235000011293 Brassica napus Nutrition 0.000 description 1
- 240000008100 Brassica rapa Species 0.000 description 1
- 235000000540 Brassica rapa subsp rapa Nutrition 0.000 description 1
- 206010019345 Heat stroke Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- -1 spring Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Abstract
The utility model discloses a turnover lifting type rat guard, which comprises a turnover plate, a positioning device and guiding devices respectively arranged at the left side and the right side of the turnover plate; the guide device comprises a moving part and a bearing part, the moving part is fixed on the turnover plate, the bearing part is fixed on the ground or a wall, and the turnover plate is connected with the bearing part in a sliding and rotating mode through the moving part; the positioning device can keep the turnover plate in a standing state, and the bottom of the turnover plate is in contact with the ground when the turnover plate is kept in the standing state. The utility model provides a upset promotion formula protection against rodents baffle, the difficult deposition and the clearance of being convenient for, the returning face plate is connected with the bearing piece with the mode that can slip, rotates the returning face plate and makes the motion piece height promote simultaneously and realize closing of protection against rodents baffle through the positioner location, removes to rotate the returning face plate after the location and makes the motion piece height reduce simultaneously until the returning face plate bottom realizes opening of protection against rodents baffle with the ground laminating, and the switching mode is simple and convenient.
Description
Technical Field
The utility model relates to a power supply installation technical field, concretely relates to upset promotion formula protection against rodents baffle.
Background
A large number of electrified high-voltage equipment are arranged in a transformer substation, if mice enter the high-voltage equipment, certain potential safety hazards can be brought to the power equipment, once the mice enter various functional rooms such as a high-voltage room and a protection room of the transformer substation, cables are damaged or the mice enter the equipment, equipment insulation damage and even short circuit are easily caused, and accordingly huge loss is caused and safety accidents are caused. In order to prevent such a situation, a rat guard is usually installed, the installed position is generally an indoor passageway, a room door with a door gap, and the like, the height is generally not less than 40cm, and after installation, a worker needs to cross the rat guard when entering and exiting the device, but when the device needs to be carried, the rat guard needs to be removed to pass through the device, for example, when a charge and discharge test is performed, the charge and discharge tester has heavy weight, and the device is difficult to cross the rat guard to enter a battery chamber. It is therefore desirable to design the ratproof barrier to be openable and closable. Also can telescopic protection against rodents board or slidingtype protection against rodents baffle among the prior art, these two kinds all need set up guider such as spout on ground, and guider tiling extremely easily the deposition leads to the card pause on ground, and the clearance is also very inconvenient.
Therefore, in order to solve the above problems, a turnover lifting type rat guard is needed, which can meet the requirements of difficult dust accumulation in the guiding device and convenient cleaning and convenient opening and closing during use.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide upset promotion formula protection against rodents baffle, through setting up guider in wall body or subaerial messenger guider difficult deposition and be convenient for clear up, the returning face plate is connected with the receiving guide with the mode that can slip, rotate the returning face plate and make the motion piece height promote simultaneously and realize the closing of protection against rodents baffle through the positioner location, remove after the location rotate the returning face plate and make the motion piece height reduce simultaneously until the returning face plate bottom and the laminating of ground realize opening of protection against rodents baffle, the switching mode is simple and convenient.
The utility model discloses a turnover lifting type rat guard, which comprises a turnover plate, a positioning device and guiding devices respectively arranged at the left side and the right side of the turnover plate; the guide device comprises a moving part and a bearing part, the moving part is fixed on the turnover plate, the bearing part is fixed on the ground or a wall, and the turnover plate is connected with the bearing part in a sliding and rotating mode through the moving part; the positioning device can keep the turnover plate in a standing state, and the bottom of the turnover plate is in contact with the ground when the turnover plate is kept in the standing state.
Further, the bearing and guiding piece is a groove-shaped rail arranged along the vertical direction; the motion piece includes pivot and gyro wheel, the pivot is fixed in the returning face plate middle part, the gyro wheel is installed in the groove type rail with slidable mode and is connected with the returning face plate through the pivot.
Furthermore, the positioning device comprises a positioning groove arranged on the bearing piece and a telescopic positioning rod assembly arranged on the turnover plate, and the telescopic positioning rod assembly can extend towards two sides and be inserted into the positioning groove to fix the turnover plate.
Furthermore, the telescopic positioning rod assembly comprises a sliding block and connecting rod assemblies arranged on the left side and the right side of the sliding block in a mirror image mode, and each connecting rod assembly comprises a sliding rod and a connecting rod; the axis of the sliding rod is parallel to the Y axis and can be fixed on the turnover plate in a mode of sliding along the axis of the sliding rod, the sliding block is positioned between the two sliding rods and can be fixed on the turnover plate in a mode of sliding along the X axis direction, and two ends of the connecting rod are respectively hinged with the sliding rod and the sliding block.
Furthermore, the front part of the turnover plate is provided with a through hole which is formed by penetrating along the direction parallel to the Y axis and is used for installing a sliding rod, an installation groove which is intersected with the middle part of the through hole and is formed by upwards sinking the bottom of the turnover plate, and a sliding groove which is arranged in the installation groove and is used for installing a sliding block.
Further, the sliding groove is in a shape of a 'Bridgman'; the slider includes slider main part, hinge bar and flexible joint spare, the hinge bar sets up at slider main part top, flexible joint spare sets up in slider main part bottom one side and can stretch out or indentation slider main part.
Further, slider main part left side is provided with U type groove, flexible joint spare includes elastic element and joint piece, the elastic element both ends are connected with the tank bottom in joint piece and U type groove respectively.
Furthermore, both sides all bulge in the slider around the joint piece.
Furthermore, when the turnover plate is erected, the included angle between the turnover plate and the ground is 80-90 degrees.
Furthermore, a handle part is arranged on the front side of the top of the turnover plate.
The utility model has the advantages that: the utility model discloses a upset promotion formula protection against rodents baffle, through setting up guider at wall body or subaerial difficult deposition and the clearance of being convenient for in making guider, the returning face plate is connected with the bearing piece with the mode that can slip, rotate the returning face plate and make the motion piece height promote simultaneously and realize the closing of protection against rodents baffle through the positioner location, remove after the location rotate the returning face plate and make the motion piece height reduce simultaneously until the returning face plate bottom realizes opening of protection against rodents baffle with the ground laminating, the switching mode is simple and convenient.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the turnover plate of the present invention, which is different from the view angle of fig. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural diagram of the slider of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention; fig. 2 is a schematic structural view of the roll-over plate of the present invention, which is different from the view of fig. 1, and for convenience of illustration, the sliding rod 303 in fig. 2 is in a state of extending from the through hole 104; FIG. 3 is an enlarged view of a portion of FIG. 2; fig. 4 is a schematic structural diagram of the slider of the present invention. As shown in fig. 1 to 4, the roll-over lifting type ratproof baffle in the embodiment includes a roll-over plate 1, a positioning device and guiding devices respectively arranged at the left and right sides of the roll-over plate 1; the guiding device comprises a moving part 201 and a bearing part 202, wherein the moving part 201 is fixed on the turnover panel 1, the bearing part 202 is fixed on the ground or a wall, and the turnover panel 1 is connected with the bearing part 202 in a sliding way through the moving part 201; the positioning device can keep the turnover plate 1 in a standing state, and the bottom of the turnover plate 1 is in contact with the ground when the turnover plate 1 is kept in the standing state. In the present specification, the front-back direction refers to a direction parallel to the X axis in fig. 1, the left-right direction refers to a direction parallel to the Y axis in fig. 1, the bottom refers to a side of the flipping panel 1 close to the ground, and the top refers to a side of the flipping panel 1 away from the ground. The guide device is arranged on the wall body, so that dust is not easy to accumulate in the guide device and the guide device is convenient to clean, the turnover plate 1 is connected with the bearing guide 202 in a sliding and rotating mode, one end of the turnover plate 1 is lifted, the other end of the turnover plate 1 is always in contact with the ground due to the action of gravity, the turnover plate 1 is rotated, and the moving piece 201 moves along the direction guided by the bearing guide 202, so that the turnover plate 1 is turned over and lifted by taking the axes of the two moving pieces 201 as the center, finally, the turnover plate 1 can be kept in a standing state through the positioning device to close the rat-proof baffle, after the positioning of the positioning device is released, the turnover plate 1 is rotated, the height of the moving piece 201 is reduced simultaneously until the bottom of the turnover plate 1 is attached to the ground to open the. The turnover panel 1 is connected with the guide member 202 in a sliding and rotating manner in various manners, for example, the moving member 201 is a round rod fixed on the turnover panel 1, at this time, the moving member 201 can slide in the guide member 202, and the moving member 201 can also rotate relative to the guide member 202; or the moving element 201 is a cube fixed on the turnover panel 1 in a rotatable manner, in which case the moving element 201 can slide in the guide 202 but cannot rotate; or the moving part 201 adopts a roller fixed on the turnover plate 1, and the moving part 201 can slide in the bearing part 202 and can rotate relative to the bearing part 202 and the turnover plate 1. When the moving member 201 slides in the track provided by the guide member 202, the height of the moving member 201 is changed, so as to lift the roll-over panel 1, therefore, the track provided by the guide member 202 is preferably parallel to the Z-axis, which is the highest lifting efficiency and the best dust falling prevention effect, but it is also possible for those skilled in the art to adopt a scheme of inclining the track at a certain angle (for example, the angle between the track and the Z-axis is 5 °) to realize the function.
In this embodiment, the guide 202 is a groove rail disposed along the vertical direction; the moving part 201 comprises a rotating shaft and a roller, the rotating shaft is fixed in the middle of the turnover plate 1, and the roller is installed in the groove rail in a sliding mode and is connected with the turnover plate 1 through the rotating shaft. The pivot is fixed in returning face plate 1 middle part, and returning face plate 1 rotates the time and is the rotation center with the pivot axis, and the gyro wheel removes along the cell type rail simultaneously, realizes the upset of returning face plate 1 and promotes. The height of the turnover plate 1 is 45cm, the rotating shaft is arranged in the middle of the turnover plate 1, so that when the turnover plate 1 is in contact with the ground, the middle of the turnover plate is connected with the guide device, the plate bodies of the turnover plate 1 are arranged on the front side and the rear side of the guide device, the rat-proof baffle is closed most of the time in actual use, and the rat-proof baffle can be opened when a heavy object is carried. The protection against rodents baffle is installed when having the room gate of crack, owing to carry the heavy object and may directly close the door and forget to close the protection against rodents baffle, especially the staff neglects the protection against rodents baffle with the condition that the protection against rodents baffle is located the both sides of door respectively more easily, has just so lost the effect that prevents the mouse and get into the room from the crack, and the utility model discloses one end can play the hindrance effect to closing the door when returning face plate 1 contacts with ground, so only just can close the door at the state that returning face plate 1 stands (promptly the protection against rodents baffle is closed). In addition, the positioning device is arranged in front of the turnover plate 1, the worker can easily damage the ratproof baffle plate when accidentally colliding with the turnover plate 1, and the sliding rod and the rotating shaft in the middle of the positioning device in the front of the turnover plate 1 in the standing state (namely the ratproof baffle plate is closed) can share impact.
In this embodiment, the positioning device comprises a positioning groove 301 provided on the guide member 202 and a retractable positioning rod assembly provided on the roll-over panel 1, which is extendable toward both sides and inserted into the positioning groove 301 to fix the roll-over panel 1. Constant head tank 301 can adopt the slope be linked together with the cell type rail, forms "the turnip" shape, and in inserting constant head tank 301 with scalable locating lever subassembly more easily when using on the one hand, need not carefully aim at the position, another convenience, scalable locating lever subassembly and the laminating of constant head tank 301 bottom under the effect of gravity, the location is stable, displacement around the reduction.
In this embodiment, the telescopic positioning rod assembly includes a sliding block 302 and link assemblies arranged on the left and right sides of the sliding block 302 in a mirror image manner, where the link assemblies include a sliding rod 303 and a connecting rod 304; the axis of the sliding rod 303 is parallel to the Y axis and can be fixed on the roll-over plate 1 in a manner of sliding along the axis, the sliding block 302 is located between the two sliding rods 303 and can be fixed on the roll-over plate 1 in a manner of sliding along the X axis, and two ends of the connecting rod 304 are respectively hinged with the sliding rod 303 and the sliding block 302. The sliding block 302 slides along the direction of the X axis, so that the distance between the sliding block 302 and the sliding rod 303 changes, and the length of the connecting rod 304 hinged with the sliding rod 303 and the sliding block 302 is unchanged, so that the sliding block 302 slides along the direction of the X axis to drive the sliding rod 303 to slide along the direction of the Y axis, thereby realizing the extension or the shortening of the telescopic positioning rod assembly, and further realizing the insertion or the extraction of the telescopic positioning rod assembly into or from the positioning groove 301.
In this embodiment, the front portion of the flipping board 1 is provided with a through hole 104 formed in a penetrating manner along a direction parallel to the Y axis and used for installing a sliding rod 303, an installation groove 101 intersecting with the middle portion of the through hole 104 and formed by upward sinking of the bottom portion of the flipping board 1, and a sliding groove 102 arranged in the installation groove 101 and used for installing a sliding block 302. The through hole 104 is divided into two parts by the mounting groove 101, two sliding rods 303 are respectively mounted, and the mounting groove 101 does not influence the passing of workers when the rat-proof baffle at the bottom of the turnover plate 1 is opened. The mounting groove 101 is used for placing a sliding block 302 and a connecting rod 304, the sliding groove 102 is located at the front side of the through hole 104, that is, the sliding groove 102 is located above the through hole 104 when the roll-over plate 1 is erected, and the sliding rod 303 extends out of the through hole 104 when the sliding block 302 is located below the sliding groove 102, so that positioning is achieved. If the sliding groove 102 is located at the rear side of the through hole 104, when the roll-over board 1 is erected, the sliding groove 102 is located below the through hole 104, the sliding rod 303 can only extend out of the through hole 104 when the sliding block 302 is located above the sliding groove 102, the heatstroke prevention baffle is in a closed state for a long time, the sliding block 302 may slide downwards due to the self weight of the sliding block 302 when the sliding groove 102 is located below the through hole 104, the sliding rod 303 retracts into the through hole 104 from the positioning groove 301, and positioning failure occurs, so that the sliding groove 102 should be located at the front side of the through.
In this embodiment, the chute 102 is in a "+" shape; the slider 302 includes slider main part 302a, articulated rod 302b and flexible joint spare, articulated rod 302b sets up at slider main part 302a top, flexible joint spare sets up in slider main part 302a bottom one side and can stretch out or retract slider main part 302 a. The hinge lever 302b is used to mount the connecting rod 304 while providing a protrusion to facilitate sliding of the slider 302 by a worker. The telescopic clamping member retracts into the slider main body 302a to place the slider main body 302a into the sliding chute 102, and the telescopic clamping member extends out of the slider main body 302a to be inserted into the sliding chute 102 to prevent the slider 302 from falling off from the sliding chute 102.
In this embodiment, the slider main body 302a is provided with a U-shaped groove 302c on the left, the retractable clip includes an elastic element (not shown in the inside of the U-shaped groove 302 c) and a clip block 302d, and the two ends of the elastic element are connected to the groove bottoms of the clip block 302d and the U-shaped groove 302c, respectively. The elastic element can adopt materials such as spring, rubber bellows, and slider 302 and spout 102 should have certain frictional force, and slider 302 displacement when preventing returning face plate 1 to rotate, the mode that increases frictional force can all set up rubber at slider 302 and spout 102 contact surface, also can adopt when joint piece 302d inserts spout 102, and the elastic element can be compressed, and under elastic element's elasticity effect, slider 302 and spout 102 have certain frictional force.
In this embodiment, the front and rear sides of the clamping block 302d protrude from the slider 302, which is to facilitate the installation of the slider 302 and the detachment of the slider 302 to facilitate the operation of the clamping block 302d, and hold the protruding portion of the clamping block 302d to press the bottom of the U-shaped groove 302c, so that the clamping block 302d retracts into the slider body 302 a.
In this embodiment, when the roll-over plate 1 is erected, the included angle between the roll-over plate and the ground is 80-90 degrees. The sliding rod 303 is inserted into the positioning groove 301, and the included angle between the turnover plate 1 and the ground is fixed, wherein the included angle is the included angle between the outdoor surface of the turnover plate 1 and the ground, is 80-90 degrees, increases the difficulty of mouse crossing, and has better mouse prevention effect.
In this embodiment, a handle 103 is disposed on the front side of the top of the flipping board 1. Handle portion 103 includes the depressed part and the handle pole of setting at the depressed part top of forming by 1 tops of returning face plate to the sunken formation of bottom direction, handle portion 103 is convenient for carry out the application of force when overturning lifting operation to returning face plate 1, handle pole top end face and 1 top end coplane of returning face plate, the size of depressed part can not be to the current production interference of staff, simultaneously for the ease of carrying the heavy object, the front side and the rear side top of returning face plate 1 all are provided with the inclined plane, inclined plane and the smooth transition of 1 top end face junction of returning face plate.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides a upset promotion formula protection against rodents baffle which characterized in that: comprises a turnover plate, a positioning device and guiding devices respectively arranged at the left side and the right side of the turnover plate; the guide device comprises a moving part and a bearing part, the moving part is fixed on the turnover plate, the bearing part is fixed on the ground or a wall, and the turnover plate is connected with the bearing part in a sliding and rotating mode through the moving part; the positioning device can keep the turnover plate in a standing state, and the bottom of the turnover plate is in contact with the ground when the turnover plate is kept in the standing state.
2. The roll-over lifted ratproof barrier of claim 1, wherein: the bearing and guiding piece is a groove-shaped rail arranged along the vertical direction; the motion piece includes pivot and gyro wheel, the pivot is fixed in the returning face plate middle part, the gyro wheel is installed in the groove type rail with slidable mode and is connected with the returning face plate through the pivot.
3. The roll-over lifted ratproof barrier of claim 1, wherein: the positioning device comprises a positioning groove arranged on the bearing guide piece and a telescopic positioning rod assembly arranged on the turnover plate, and the telescopic positioning rod assembly can extend towards two sides and is inserted into the positioning groove to fix the turnover plate.
4. The roll-over lifted ratproof barrier of claim 3, wherein: the telescopic positioning rod assembly comprises a sliding block and connecting rod assemblies arranged on the left side and the right side of the sliding block in a mirror image mode, and each connecting rod assembly comprises a sliding rod and a connecting rod; the axis of the sliding rod is parallel to the Y axis and can be fixed on the turnover plate in a mode of sliding along the axis of the sliding rod, the sliding block is positioned between the two sliding rods and can be fixed on the turnover plate in a mode of sliding along the X axis direction, and two ends of the connecting rod are respectively hinged with the sliding rod and the sliding block.
5. The roll-over lifted ratproof barrier of claim 4, wherein: the front part of the turnover plate is provided with a through hole which is formed by penetrating along the direction parallel to the Y axis and is used for installing a sliding rod, an installation groove which is intersected with the middle part of the through hole and is formed by upwards sinking the bottom of the turnover plate, and a sliding groove which is arranged in the installation groove and is used for installing a sliding block.
6. The roll-over lifted ratproof barrier of claim 5, wherein: the chute is in a shape of 'L'; the slider includes slider main part, hinge bar and flexible joint spare, the hinge bar sets up at slider main part top, flexible joint spare sets up in slider main part bottom one side and can stretch out or indentation slider main part.
7. The roll-over lifted ratproof barrier of claim 6, wherein: the slider main part left side is provided with U type groove, flexible joint spare includes elastic element and joint piece, the elastic element both ends are connected with the tank bottom in joint piece and U type groove respectively.
8. The roll-over lifted ratproof barrier of claim 7, wherein: the front side and the rear side of the clamping block are all protruded out of the sliding block.
9. The roll-over lifted ratproof barrier of claim 3, wherein: when the turnover plate is erected, the included angle between the turnover plate and the ground is 80-90 degrees.
10. The roll-over lifted ratproof barrier of claim 1, wherein: the front side of the top of the turnover plate is provided with a handle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920818338.6U CN209965074U (en) | 2019-05-31 | 2019-05-31 | Turnover lifting type rat-proof baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920818338.6U CN209965074U (en) | 2019-05-31 | 2019-05-31 | Turnover lifting type rat-proof baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209965074U true CN209965074U (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920818338.6U Active CN209965074U (en) | 2019-05-31 | 2019-05-31 | Turnover lifting type rat-proof baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209965074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403123A (en) * | 2022-01-14 | 2022-04-29 | 智洪科技(通化)有限公司 | Electric linkage type mouse baffle plate |
| CN115211419A (en) * | 2022-06-24 | 2022-10-21 | 国网山东省电力公司曲阜市供电公司 | Intelligent mouse blocking device for emergency evacuation |
-
2019
- 2019-05-31 CN CN201920818338.6U patent/CN209965074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403123A (en) * | 2022-01-14 | 2022-04-29 | 智洪科技(通化)有限公司 | Electric linkage type mouse baffle plate |
| CN115211419A (en) * | 2022-06-24 | 2022-10-21 | 国网山东省电力公司曲阜市供电公司 | Intelligent mouse blocking device for emergency evacuation |
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