CN216054548U - Drop-out fuse operating lever - Google Patents
Drop-out fuse operating lever Download PDFInfo
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- CN216054548U CN216054548U CN202122811046.XU CN202122811046U CN216054548U CN 216054548 U CN216054548 U CN 216054548U CN 202122811046 U CN202122811046 U CN 202122811046U CN 216054548 U CN216054548 U CN 216054548U
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- falling hook
- stage telescopic
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Abstract
The utility model discloses a drop-out fuse operating rod, which comprises a multi-stage telescopic rod, wherein the top of the multi-stage telescopic rod is fixedly connected with an operating head, the operating head comprises an operating ejector rod, an operating clamp fixing rod, a fusion tube operating clamp, an operating cross rod, an anti-falling hook mounting rod and an anti-falling hook, the operating ejector rod is fixed at the top of the multi-stage telescopic rod and vertically extends upwards along the axial lead of the operating ejector rod, the near ends of the operating clamp fixing rod, the operating cross rod and the anti-falling hook mounting rod are all fixed with the bottom of the operating ejector rod, the operating clamp fixing rod, the operating cross rod and the anti-falling hook mounting rod respectively extend outwards in the horizontal direction, the fusion tube operating clamp is mounted at the far end of the operating clamp fixing rod, and the anti-falling hook is mounted at the far end of the anti-falling hook mounting rod. The drop-out fuse operating rod is simple in structure, integrates multiple functions into a whole, enables operators to finish the detachment and installation of the fusion tube quickly and accurately, prevents the fusion tube from dropping, can effectively improve the working efficiency, and ensures the safety of the operators and equipment.
Description
Technical Field
The utility model belongs to the field of auxiliary tools of power equipment, and particularly relates to an operating rod of a drop-out fuse.
Background
The drop-out fuse is one of important electrical equipment in a power supply and distribution system, and is relatively safe and economic primary equipment. With the expansion of the construction scale of a power distribution system of a power grid, the number of drop-out fuses of the power distribution system is increased explosively, and the drop-out fuses mainly exist in devices such as a line PT station transformer. With drop-out fuses becoming more and more frequent to operate and to handle faults. With the increasing demands on the reliability of power supply, how to quickly operate the drop-out fuse and quickly handle the fault becomes increasingly important.
In general type drop-out fusion tube device, including fusion tube, base and top structure etc. can design the adjustable shape of distance that gets into the fusion tube body at the top moving contact of fusion tube device, just so can reach the purpose of adjusting fusion tube length, can adapt to the top of different models fuse, and this kind of general type drop-out fusion tube device rotates the top in actual installation and application, later fixes the moving contact at fusion tube device top again, accomplishes the installation. Meanwhile, a lower contact copper bar is arranged in a lower base of the general drop-out fusion tube in a penetrating mode, and the lower contact copper bar is characterized in that at least one gasket assembly is detachably arranged on two exposed parts of two sides of a lower seat of the general drop-out fusion tube.
The existing operating tool mainly uses a high-voltage brake pull rod, and during switching operation and fuse replacement, the high-voltage brake pull rod has a plurality of problems when the drop-out fuse is taken down and put on, and firstly, when the fuse is put on, the drop-out fuse is not easy to accurately put into a base bayonet, so that the drop-out fuse is easy to fall off, and equipment damage or personnel injury is caused; secondly, when the high-voltage brake pull rod is taken down, the high-voltage brake pull rod is not easy to align with the operation hole, and the operation is difficult. When the high-voltage brake pull rod is aligned to the lower part, the existing high-voltage brake pull rod is not provided with a fixing device along with the lower angle, so that the high-voltage brake pull rod is easy to fall off, the operation efficiency is influenced by a light person, and equipment and personnel are injured by a heavy person; thirdly, the existing high-voltage brake pull rod is heavy, needs several sections for connection, is easy to corrode outdoors, causes difficulty in connection and removal, causes the problem that an operator with small strength cannot carry out the work, and greatly prolongs the operation and replacement time of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that the operation of disassembling and assembling a fusion tube of the conventional drop-out fuse operating rod is easy to cause the misalignment of the fusion tube, the disassembly and the assembly are difficult to control, and even the fusion tube falls off, and provides the drop-out fuse operating rod.
The utility model adopts the following technical scheme:
the utility model provides a drop out fuse action bars which the key lies in: including the multistage telescopic link of top fixedly connected with operating head, the operating head is including operation ejector pin, operation clamping fixed rod, fusion tube operation clamp, operation horizontal pole, anti falling hook installation pole and anti falling hook, the operation ejector pin is fixed multistage telescopic link top is extended upwards along the vertical of its axial lead, operation clamping fixed rod, operation horizontal pole, anti falling hook installation pole near-end all with operation ejector pin bottom is fixed, operation clamping fixed rod, operation horizontal pole, anti falling hook installation pole horizontal direction respectively outwards extend, the fusion tube operation clamp is installed operation clamping fixed rod distal end, anti falling hook is installed anti falling hook installation pole distal end.
The effect of this scheme is: when the fusion tube is disassembled, the cross rod can be operated to insert into the operation ring at the upper end of the fusion tube to pull the fusion tube to withdraw from the upper touch head of the fuse, and then the fusion tube is clamped by the fusion tube operation clamp (or the lower operation ring of the fusion tube is clamped by the anti-falling hook) to be taken down from the lower touch head of the fuse, so that the disassembly of the fusion tube is completed;
when the fuse tube is installed, the fuse tube can be clamped by the fuse tube operating clamp, the bottom end of the fuse tube is hung on the lower touch head of the fuse, the upper end of the fuse tube is pushed to be inserted into the upper touch head by inserting the operating cross rod into the upper end operating ring of the fuse tube to complete installation, the bottom end of the fuse tube can be hung on the lower touch head of the fuse tube by buckling the lower end operating ring of the fuse tube by the anti-falling hook, and the upper end of the fuse tube is pushed to be inserted into the upper touch head by inserting the operating cross rod into the upper end operating ring of the fuse tube to complete installation; the ejector rod is operated to push the upper contact head of the fuse to loosen the upper end of the fusion tube when the fusion tube is disassembled; the device can adapt to different working conditions and select different operation modes, is simple in operation method, prevents the fusion tube from falling easily, can improve the working efficiency of operators, improves the safety of field operation, and avoids equipment damage or personal injury.
Preferably, a stay wire control assembly is arranged inside the multi-stage telescopic rod, a stay wire device is arranged at the bottom of the multi-stage telescopic rod and used for controlling the opening and closing of the fusion tube operating clamp through the stay wire control assembly.
The effect of this scheme is: the bottom of the multi-stage telescopic rod is provided with a wire grip for controlling the operation clamp of the fusion tube to open and close, so that the operation personnel can conveniently and remotely clamp or release the fusion tube, and the fusion tube is ensured not to drop.
Preferably, the stay wire control assembly comprises a stay wire, a guide wheel, a spring winding wheel and a winding wheel mounting seat, the multi-stage telescopic rod is of a hollow structure, the guide wheel is fixedly mounted in an inner cavity at the top of the multi-stage telescopic rod, the winding wheel mounting seat is slidably mounted in an inner cavity at the bottom of the multi-stage telescopic rod, the spring winding wheel is mounted on the winding wheel mounting seat, one end of the stay wire horizontally penetrates out of the multi-stage telescopic rod through the guide wheel in a turning manner and then is fixed on the fusion tube operating clamp, the other end of the stay wire is fixedly wound on the spring winding wheel, and the stay wire is used for controlling the winding wheel mounting seat to slide up and down along the multi-stage telescopic rod.
The effect of this scheme is: the wire drawing device is used for controlling the wire winding wheel mounting seat to slide up and down along the multi-stage telescopic rod so as to open and close the fusion tube operating clamp through the drawing wire, and the spring wire winding wheel can adjust the length at the multi-stage telescopic rod so as to adjust the length of the drawing wire adaptively.
As a preferred scheme, the anti-falling hook comprises a vertical plate, a rotating connecting plate and a position locking rod, wherein the bottom of the vertical plate is fixed at the far end of the anti-falling hook mounting rod, and the vertical plate vertically extends upwards;
one end of the rotating connecting plate is mounted at the top of the inner side face of the vertical plate through a first rotating shaft, the rotating connecting plate is arranged in parallel with the plate face of the vertical plate, the axial lead of the first rotating shaft is perpendicular to the plate face of the vertical plate, and the rotating connecting plate can circumferentially rotate along the vertical direction of the vertical plate;
the locking rod is installed on the inner side face of the rotating connecting plate through a second rotating shaft, the first rotating shaft is perpendicular to the axis of the second rotating shaft, a limiting groove extending in the delay length direction is formed in the inner side face of the rotating connecting plate, the second rotating shaft is installed on the groove wall, close to the first rotating shaft, of the limiting groove, one end of the locking rod is installed in the limiting groove, the other end of the locking rod extends outwards in the horizontal direction, a spring is arranged between the groove wall, far away from the first rotating shaft, of the limiting groove and the locking rod, and the locking rod can rotate in the limiting groove.
The effect of this scheme is: the switching between the opening state and the closed state of the anti-falling hook is realized by the direction switching of the rotating connecting plate, when the included angle between the rotating connecting plate and the vertical plate is 0 degree, the locking rod points to the operation ejector rod, the anti-falling hook mounting rod, the vertical plate and the locking rod form a closed lock catch, and the locking rod can only rotate downwards, can put in the fusion tube operation ring but cannot be released, so that the fusion tube operation ring can be used for disassembling the fusion tube; when rotating between connecting plate and the riser contained angle and being 90, the lock position pole can't form with operation ejector pin, anti falling hook installation pole, riser and seal the hasp, forms the U-shaped bayonet socket between operation ejector pin, anti falling hook installation pole, the riser, can be used to the fusion tube installation, utilizes the U-shaped bayonet socket to block fusion tube lower extreme operating ring during the installation and installs the operation, can prevent that the fusion tube from dropping.
As preferred scheme, the wire stretcher is the overcoat and is in the loop configuration of multistage telescopic link bottom, the corresponding take-up pulley mount pad in multistage telescopic link bottom is equipped with the spout of vertical extension, the take-up pulley mount pad is established through installation horizontal pole card in the spout, installation horizontal pole level is worn out behind the multistage telescopic link with wire stretcher inner wall fixed connection, the take-up pulley mount pad with connect through expanding spring between the terminal surface of multistage telescopic link inner chamber bottom. The effect of this scheme is: the expansion spring can be used for automatic reset of the wire puller.
Preferably, the wire puller is further provided with a wire releasing locking button, and the wire releasing locking button is used for locking the spring wire coiling wheel. The effect of this scheme is: thereby unwrapping wire locking button can lock the spring take-up pulley and restrict the length of acting as go-between for the switching state that the fuse operation was pressed from both sides can be better controlled to the wire stretcher.
As a preferred scheme, the multi-stage telescopic rod is formed by combining three hollow insulating sleeve rods, and the three insulating sleeve rods shrink step by step. The effect of this scheme is: adapt to different operating modes, but adaptability adjusts multistage telescopic link length, and the insulator spindle can prevent that the operation personnel from electrocuteeing simultaneously.
Preferably, the included angle between the operating clamp fixing rod and the operating cross rod and the included angle between the operating cross rod and the anti-falling hook mounting rod are right angles. The effect of this scheme is: the parts can be separated maximally, and a good operation space is ensured.
As the preferred scheme, the operation ejector rod, the operation clamp fixing rod, the operation cross rod and the anti-falling hook mounting rod are of an integrally formed structure. The effect of this scheme is: guarantee equipment stability, prevent to appear the slide bar condition when leading to the actual operation owing to connect not hard up.
Has the advantages that: the drop-out fuse operating rod is simple in structure, the multifunctional integration body can facilitate operators to rapidly and accurately complete the disassembly and the assembly of the fusion tube, the fusion tube cannot drop, the working efficiency can be effectively improved, and the safety of the operators and equipment is ensured.
Drawings
FIG. 1 is a simplified structural view of a drop out fuse operating lever of the present invention;
fig. 2 is a simplified structural diagram of the drop-out fuse operating lever operating head 1 of the present invention;
FIG. 3 is a perspective view of the top structure of the drop out fuse operating lever of the present invention;
fig. 4 is a perspective view of the bottom structure of the drop out fuse operating lever of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
example (b): as shown in fig. 1-4, a drop-out fuse operating rod comprises a multi-stage telescopic rod 2, the top of which is fixedly connected with an operating head 1, the operating head 1 comprises an operating ejector rod 11, an operating clamp fixing rod 12, a fusion tube operating clamp 13, an operating cross rod 14, an anti-falling hook mounting rod 15 and an anti-falling hook 16, the operating ejector rod 11 is fixed at the top of the multi-stage telescopic rod 2 and vertically extends upwards along the axis of the operating clamp fixing rod 12, the operating cross rod 14 and the near end of the anti-falling hook mounting rod 15 are fixed with the bottom of the operating ejector rod 11, the operating clamp fixing rod 12, the operating cross rod 14 and the anti-falling hook mounting rod 15 respectively extend outwards in the horizontal direction, the fusion tube operating clamp 13 is mounted at the far end of the operating clamp fixing rod 12, and the anti-falling hook 16 is mounted at the far end of the anti-falling hook mounting rod 15.
The inside wire-drawing control subassembly that is equipped with of 2 of multi-stage telescopic rod, 2 bottoms of multi-stage telescopic rod are equipped with wire grip 3, and wire grip 3 is used for controlling the switching of fusion tube operation clamp 13 through the wire-drawing control subassembly.
Specifically, the control subassembly of acting as go-between includes the acting as go-between 21, leading wheel 22, spring take-up pulley 23, take-up pulley mount pad 24, multi-stage telescopic rod 2 is hollow structure, leading wheel 22 fixed mounting is in 2 top inner chambers of multi-stage telescopic rod, but take-up pulley mount pad 24 slidable mounting is in 2 bottom inner chambers of multi-stage telescopic rod, spring take-up pulley 23 is installed on take-up pulley mount pad 24, acting as go-between one end turns to the level through leading wheel 22 and wears out 2 after-fixing on fusion tube operation clamp 13 of multi-stage telescopic rod, the other end is fixed to be rolled up and is established on spring take-up pulley 23, act as go-between 3 is used for controlling take-up pulley mount pad 24 and slides from top to bottom along multi-stage telescopic rod 2.
As shown in fig. 2, the anti-falling hook 16 includes a vertical plate 161, a rotating connection plate 162 and a locking rod 163, the bottom of the vertical plate 161 is fixed at the distal end of the anti-falling hook mounting rod 15, and the vertical plate 161 extends vertically upwards; one end of the rotating connecting plate 162 is mounted at the top of the inner side surface of the vertical plate 161 through a first rotating shaft, the rotating connecting plate 162 is arranged in parallel with the plate surface of the vertical plate 161, the axial lead of the first rotating shaft is perpendicular to the plate surface of the vertical plate 161, and the rotating connecting plate 162 can rotate circumferentially along the vertical direction of the vertical plate 161; locking rod 163 is installed through the second axis of rotation to rotation connecting plate 162 medial surface, first axis of rotation is perpendicular with second axis of rotation axial lead, rotation connecting plate 162 medial surface is equipped with the spacing groove that the length direction of postponing extends, the second axis of rotation is installed on the cell wall that the spacing groove is close to first axis of rotation, locking rod 163 one end is installed in the spacing groove, locking rod 163 other end horizontal direction outwards extends, be equipped with reset spring between the cell wall that first axis of rotation was kept away from in the spacing groove and locking rod 163, locking rod 163 can be at the spacing inslot internal rotation. In particular, the application of the anti-drop hook 16 is controlled by the direction of rotation of the web 162.
Further, the wire stretcher 3 is the loop configuration of overcoat in 2 bottoms of multistage telescopic link, 2 bottoms of multistage telescopic link correspond the reel mount pad 24 and are equipped with the spout of vertical extension, reel mount pad 24 is established in the spout through the installation horizontal pole card, the installation horizontal pole level is worn out behind 2 and 3 inner wall fixed connection of wire stretcher of multistage telescopic link, be connected through expanding spring 25 between reel mount pad 24 and the 2 inner chamber bottom terminal surfaces of multistage telescopic link, still be equipped with unwrapping wire locking button on the wire stretcher 3, this unwrapping wire locking button is used for locking spring reel 23, thereby inject the length of acting as go-between, guarantee the control effect of wire stretcher 3.
The preferred multistage telescopic link 2 of this embodiment is that three hollow insulating loop bars make up and form, and three insulating loop bars shrink step by step, and every insulating loop bar length is 1 meter, can make up insulating loop bar quantity according to specific work condition needs during concrete implementation.
Further, in order to ensure the maximum operation space, in the specific implementation, the included angle between the operation clamp fixing rod 12 and the operation cross rod 14 and the included angle between the operation cross rod 14 and the anti-falling hook mounting rod 15 are right angles.
Further, in order to prevent the slide rod from being loosened by each component of the operating head in actual operation, the operating top rod 11, the operating clamp fixing rod 12, the operating cross rod 14 and the anti-falling hook mounting rod 15 are integrally molded.
The specific use method of the device comprises the following steps:
the operation method for disassembling the fusion tube comprises the following steps:
the operation cross rod 14 is inserted into the upper end operation ring of the fusion tube to pull the fusion tube to exit from the upper touch head of the fuse (the fusion tube can be taken out only by pushing up the upper touch head as the upper touch head is needed, the operation ejector rod 11 can be used for carrying out the pushing up operation first), then the direction switching of the rotating connecting plate 162 is carried out, the locking rod 163 points to the operation ejector rod 11, the anti-falling hook mounting rod 15, the vertical plate 161 and the locking rod 163 form a closed lock catch, the locking rod 163 can only rotate downwards, then the lower end operation ring of the fusion tube can be placed into the formed closed lock catch, then the multi-stage telescopic rod 2 is lifted upwards, the fusion tube is taken down from the lower touch head of the fuse, and the fusion tube dismounting operation is completed.
Method 1 for installing and operating fusion tubes: and (3) clamping the fusion tube by using a fusion tube operating clamp 13 to enable the fusion tube to be inverted, then hanging the lower end of the fusion tube on a lower touch head of the fuse, moving an operating rod away, pushing an upper end operating ring of the fusion tube by using an operating cross rod 14, and pushing the upper end of the fusion tube into a clamping groove of an upper touch head to finish the installation operation.
Fusion tube installation operation method 2: the included angle between the rotating connection plate 162 and the vertical plate 163 is adjusted to be 90 degrees, the locking rod 163 cannot form a closed lock catch with the operation ejector rod 11, the anti-falling hook installation rod 15 and the vertical plate 161, but a U-shaped bayonet is formed, the lower end of the fusion tube is hung on the lower touch head of the fuse and then moved away after the lower end of the fusion tube is hung on the lower touch head of the fuse by using the U-shaped bayonet to clamp the lower end operation ring of the fusion tube (the fusion tube can be effectively prevented from falling), and then the upper end of the fusion tube is pushed into the clamping groove of the upper touch head by using the U-shaped bayonet (the upper end of the fusion tube can also be directly pushed by using the operation cross rod 14), so that the installation operation is completed.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (9)
1. A drop out fuse action bars which characterized in that: comprises a multi-stage telescopic rod (2) the top of which is fixedly connected with an operating head (1), wherein the operating head (1) comprises an operating ejector rod (11), an operating clamp fixing rod (12), a fusion tube operating clamp (13), an operating cross rod (14), an anti-falling hook mounting rod (15) and an anti-falling hook (16), the operating ejector rod (11) is fixed at the top of the multi-stage telescopic rod (2) and vertically extends upwards along the axis line of the multi-stage telescopic rod, the near ends of the operating clamp fixing rod (12), the operating cross rod (14) and the anti-falling hook mounting rod (15) are all fixed with the bottom of the operating top rod (11), the operating clip fixing rod (12), the operating cross rod (14) and the anti-falling hook mounting rod (15) respectively extend outwards in the horizontal direction, the fusion tube operating clamp (13) is arranged at the far end of the operating clamp fixing rod (12), the anti-falling hook (16) is mounted at the distal end of the anti-falling hook mounting rod (15).
2. A drop out fuse operating lever as claimed in claim 1, wherein: the novel fuse tube operation clamp is characterized in that a pull wire control assembly is arranged inside the multi-stage telescopic rod (2), a wire puller (3) is arranged at the bottom of the multi-stage telescopic rod (2), and the wire puller (3) is used for controlling the opening and closing of the fuse tube operation clamp (13) through the pull wire control assembly.
3. A drop out fuse operating lever as claimed in claim 2, wherein: the pull wire control assembly comprises a pull wire (21), a guide wheel (22), a spring winding wheel (23) and a winding wheel mounting seat (24), the multi-stage telescopic rod (2) is of a hollow structure, the guide wheel (22) is fixedly mounted in an inner cavity at the top of the multi-stage telescopic rod (2), the winding wheel mounting seat (24) is slidably mounted in an inner cavity at the bottom of the multi-stage telescopic rod (2), the spring winding wheel (23) is mounted on the winding wheel mounting seat (24), one end of the pull wire is passed through the guide wheel (22) and is horizontally extended out after the multi-stage telescopic rod (2) is fixed on a fusion tube operating clamp (13), the other end of the pull wire is fixedly coiled on the spring winding wheel (23), and the pull wire (3) is used for controlling the winding wheel mounting seat (24) to slide up and down on the multi-stage telescopic rod (2).
4. A drop out fuse operating lever as claimed in claim 1, wherein: the anti-falling hook (16) comprises a vertical plate (161), a rotating connecting plate (162) and a locking rod (163), the bottom of the vertical plate (161) is fixed at the far end of the anti-falling hook mounting rod (15), and the vertical plate (161) extends vertically upwards;
one end of the rotating connecting plate (162) is mounted at the top of the inner side face of the vertical plate (161) through a first rotating shaft, the rotating connecting plate (162) is arranged in parallel with the plate face of the vertical plate (161), the axial lead of the first rotating shaft is perpendicular to the plate face of the vertical plate (161), and the rotating connecting plate (162) can circumferentially rotate along the vertical direction of the vertical plate (161);
rotate connecting plate (162) medial surface and install through the second axis of rotation lock position pole (163), first axis of rotation with second axis of rotation axial lead is perpendicular, it is equipped with the spacing groove that the length direction extends to postpone to rotate connecting plate (162) medial surface, the second axis of rotation is installed and is close to on the cell wall of first axis of rotation the spacing groove, lock position pole (163) one end is installed in the spacing groove, lock position pole (163) other end horizontal direction outwards extends, the spacing groove is kept away from the cell wall of first axis of rotation with be equipped with reset spring between lock position pole (163), lock position pole (163) can the spacing inslot internal rotation.
5. A drop out fuse operating lever as claimed in claim 3, wherein: wire grip (3) are the overcoat and are in the loop configuration of multistage telescopic link (2) bottom, corresponding take-up pulley mount pad (24) in multistage telescopic link (2) bottom is equipped with the spout of vertical extension, take-up pulley mount pad (24) are established through installation horizontal pole card in the spout, the installation horizontal pole level is worn out behind multistage telescopic link (2) with wire grip (3) inner wall fixed connection, take-up pulley mount pad (24) with connect through expanding spring (25) between multistage telescopic link (2) inner chamber bottom terminal surface.
6. A drop out fuse operating lever as claimed in claim 5, wherein: and a paying-off locking button is further arranged on the wire puller (3) and used for locking the spring wire winding wheel (23).
7. A drop out fuse operating lever as claimed in claim 1, wherein: the multi-stage telescopic rod (2) is formed by combining three hollow insulating sleeve rods, and the three insulating sleeve rods shrink step by step.
8. A drop out fuse operating lever as claimed in claim 1, wherein: the included angle between the operating clamp fixing rod (12) and the operating cross rod (14) and the included angle between the operating cross rod (14) and the anti-falling hook mounting rod (15) are right angles.
9. A drop out fuse operating lever as claimed in claim 1, wherein: the operation top rod (11), the operation clamp fixing rod (12), the operation cross rod (14) and the anti-falling hook mounting rod (15) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811046.XU CN216054548U (en) | 2021-11-17 | 2021-11-17 | Drop-out fuse operating lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811046.XU CN216054548U (en) | 2021-11-17 | 2021-11-17 | Drop-out fuse operating lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054548U true CN216054548U (en) | 2022-03-15 |
Family
ID=80615589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122811046.XU Active CN216054548U (en) | 2021-11-17 | 2021-11-17 | Drop-out fuse operating lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054548U (en) |
-
2021
- 2021-11-17 CN CN202122811046.XU patent/CN216054548U/en active Active
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