CN219267444U - Protective structure - Google Patents
Protective structure Download PDFInfo
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- CN219267444U CN219267444U CN202221992360.0U CN202221992360U CN219267444U CN 219267444 U CN219267444 U CN 219267444U CN 202221992360 U CN202221992360 U CN 202221992360U CN 219267444 U CN219267444 U CN 219267444U
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- sealing
- sleeve
- pile head
- sealing sleeve
- insulated wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a protection structure, which is used for protecting a connection structure between an electric equipment pile head and an insulated wire, and comprises a sealing sleeve and a sealing device, wherein the sealing sleeve is covered outside the connection structure of the electric equipment pile head and the insulated wire; the upper sealing piece and the lower sealing piece of the sealing device are arranged between the upper end of the sealing sleeve and the insulating layer of the insulating wire so as to realize insulating sealing between the upper end of the sealing sleeve and the insulating wire, and the lower sealing piece is arranged between the lower end of the sealing sleeve and the pile head of the electrical equipment; above-mentioned protective structure covers the connection structure between electrical equipment pile head and the insulated wire through the enclosure wherein to seal at enclosure both ends, avoid electrical equipment pile head and the electrical connection point between the insulated wire to expose, avoid the alternate short circuit trouble that the foreign matter overlap joint produced, prevent acid rain, salt fog, dust, corrosive gas to the corruption of electrical connection point, thereby eliminate the potential safety hazard, reduce the fault rate, ensure electrical equipment's steady operation.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a protection structure.
Background
Transformers are the main equipment in the power system and have very important functions. The transformer wire clamp is a main device for connecting the pile head of the transformer with the lead, and when the existing transformer wire clamp is used, the electrical connection point is directly exposed in the air, so that the bridging of foreign matters such as branches, high-altitude objects, small animals and the like can not be prevented, interphase short-circuit faults are very easy to cause, the transformer can be burnt out when serious, the exposed electrical connection point is easy to be corroded by acid rain, salt fog, dust and corrosive gas, connection failure can be caused when serious, and personnel electric shock accidents, illegal molecule electricity stealing and the like are also easy to cause.
Disclosure of Invention
Therefore, the present utility model is directed to a protection structure for protecting a connection structure between a pile head of an electrical device and an insulated wire, so as to prevent an electrical connection point between the pile head of the electrical device and the wire from being exposed, eliminate potential safety hazards, and reduce failure rate.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a protective structure for protecting a connection structure between a pile head and an insulated wire of an electrical apparatus, comprising:
the sealing sleeve is used for being covered outside the connecting structure of the pile head of the electrical equipment and the insulated wire;
the sealing device comprises an upper sealing element and a lower sealing element, wherein the upper sealing element is arranged between the upper end of the sealing sleeve and the insulating layer of the insulating wire so as to realize insulating sealing between the upper end of the sealing sleeve and the insulating wire, and the lower sealing element is arranged between the lower end of the sealing sleeve and the pile head of the electrical equipment.
Preferably, the pile head further comprises a threaded fastener, and the threaded fastener cooperates with a connecting screw rod of the pile head of the electrical equipment to press the sealing sleeve on the pile head of the electrical equipment.
Preferably, the sealing sleeve comprises an upper sealing sleeve and a lower sealing sleeve, the lower sealing sleeve is tightly pressed on the electric equipment pile head by the threaded fastener, and the upper sealing sleeve is detachably connected with the lower sealing sleeve.
Preferably, the sealing sleeve further comprises a sealing middle sleeve, and the sealing upper sleeve is detachably connected with the sealing lower sleeve through the sealing middle sleeve.
Preferably, the threaded fastener compresses the closed lower sleeve against the electrical equipment pile head through a backing plate.
Preferably, the upper sealing member is a sealing sleeve, the sealing sleeve is at least sleeved outside the insulating layer of the insulated wire, and the sealing sleeve compresses the sealing sleeve on the insulating layer of the insulated wire.
Preferably, the sealing sleeve is further sleeved outside a connecting terminal for connecting the insulated wire with the pile head of the electrical equipment, and an axial limiting structure is arranged between the sealing sleeve and the connecting terminal.
Preferably, a first positioning step surface and a second positioning step surface are arranged on the inner wall of the sealing sleeve, the first positioning step surface is used for pressing the upper end of the sealing sleeve on the insulating layer of the insulated wire, and the second positioning step surface is used for pressing the sealing sleeve on the upper end face of the wiring terminal.
Preferably, the lower sealing element is a sealing ring, and the sealing sleeve presses the sealing ring on the pile head of the electrical equipment.
Preferably, the upper sealing member is a waterproof sealing head, the waterproof sealing head can be inserted between the sealing sleeve and the insulated wire and in threaded connection with the sealing sleeve, and the waterproof sealing head is provided with a threading hole for the insulated wire to penetrate out and is in sealing fit with the insulating layer of the insulated wire.
It is apparent that, in order to achieve the above object, the present utility model provides a protection structure for protecting a connection structure between a pile head and an insulated wire of an electrical apparatus, the protection structure including a sealing sleeve and a sealing device, wherein the sealing sleeve is used for covering the connection structure between the pile head and the insulated wire of the electrical apparatus, and the sealing sleeve is preferably made of a heat-resistant, ultraviolet-resistant, acid-resistant, alkali-resistant and corrosion-resistant material so as to adapt to a complex environment; the sealing device comprises an upper sealing element and a lower sealing element, wherein the upper sealing element is arranged between the upper end of the sealing sleeve and the insulating layer of the insulating wire so as to realize insulating sealing between the upper end of the sealing sleeve and the insulating wire, and the lower sealing element is arranged between the lower end of the sealing sleeve and the pile head of the electrical equipment; the protection structure covers the connection structure between the pile head of the electrical equipment and the insulated wire through the sealing sleeve, and the upper sealing piece and the lower sealing piece are respectively arranged at two ends of the sealing sleeve to seal the gap between the sealing sleeve and the pile head of the electrical equipment and the gap between the sealing sleeve and the insulated wire, so that the electrical connection structure between the insulated wire and the pile head of the electrical equipment is insulated and sealed with the outside, the electrical connection point between the pile head of the electrical equipment and the insulated wire is prevented from being exposed, the inter-phase short circuit fault caused by the lap joint of foreign matters is avoided, the corrosion of acid rain, salt fog, dust and corrosive gas to the electrical connection point is prevented, the purposes of eliminating potential safety hazards and reducing the fault rate are achieved, and the stable operation of the electrical equipment is ensured.
Drawings
In order to more clearly illustrate the embodiments of the 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, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a protective structure provided by an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a protective structure according to another embodiment of the present utility model;
fig. 3 is an isometric view of a watertight seal provided by an embodiment of the present utility model.
In the figure:
1 is a closed sleeve; 101 is a closed upper sleeve; 102 is a closed lower sleeve; 103 is a closed middle sleeve; 2 is a sealing sleeve; 3 is a sealing ring; 4 is a connecting screw rod of the pile head of the electrical equipment; 5 is a wiring terminal; 6 is an insulated wire; 7 is a backing plate; 8 is an inner screw sleeve; 9 is an outer screw sleeve; 10 is a mounting screw sleeve; 11 is a wire clamp; 12 is a watertight seal.
Detailed Description
The utility model aims at providing a protection structure for protecting a connection structure between a pile head of electrical equipment and an insulated wire, so as to achieve the purposes of avoiding exposure of an electrical connection point between the pile head of the electrical equipment and the wire, eliminating potential safety hazards and reducing failure rate.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.
Referring to fig. 1, fig. 1 is a cross-sectional view of a protection structure according to an embodiment of the utility model.
The embodiment of the utility model provides a protection structure for protecting a connection structure between a pile head and an insulated wire 6 of an electrical device, which comprises a sealing sleeve 1 and a sealing device.
The sealing sleeve 1 is used for being covered outside a connecting structure of a pile head of electrical equipment and the insulated wire 6, and the sealing sleeve 1 can be preferably made of a heat-resistant ultraviolet-resistant acid-resistant alkali-resistant corrosion-resistant hard insulating material so as to adapt to a complex environment; the sealing device can be made of soft or hard insulating materials according to different structures and comprises an upper sealing element and a lower sealing element, wherein the upper sealing element is arranged between the upper end of the sealing sleeve 1 and an insulating layer of the insulating wire 6 so as to realize insulating sealing between the upper end of the sealing sleeve 1 and the insulating wire 6, and the lower sealing element is arranged between the lower end of the sealing sleeve 1 and a pile head of electrical equipment; the protection structure covers the connection structure between the pile head of the electrical equipment and the insulated wire 6 through the sealing sleeve 1, and the upper sealing piece and the lower sealing piece are respectively arranged at two ends of the sealing sleeve 1 to seal the gap between the sealing sleeve 1 and the pile head of the electrical equipment and the gap between the sealing sleeve 1 and the insulated wire 6, so that the electrical connection structure between the insulated wire 6 and the pile head of the electrical equipment is insulated and sealed with the outside, the electrical connection point between the pile head of the electrical equipment and the insulated wire 6 is prevented from being exposed, the inter-phase short-circuit fault caused by the lap joint of foreign matters is avoided, and the corrosion of acid rain, salt fog, dust and corrosive gas to the electrical connection point is prevented, thereby achieving the purposes of eliminating potential safety hazards and reducing the fault rate and ensuring the stable operation of the electrical equipment.
Compared with the prior art, the protection structure provided by the embodiment of the utility model covers the connection structure between the pile head of the electrical equipment and the insulated wire 6 through the sealing sleeve 1, and the upper sealing piece and the lower sealing piece are respectively arranged at the two ends of the sealing sleeve 1 to seal the gap between the sealing sleeve 1 and the pile head of the electrical equipment and the gap between the sealing sleeve 1 and the insulated wire 6, so that the electrical connection structure between the insulated wire 6 and the pile head of the electrical equipment is insulated and sealed with the outside, the electrical connection point between the pile head of the electrical equipment and the insulated wire 6 is prevented from being exposed, the inter-phase short circuit fault caused by the lap joint of foreign matters is avoided, the corrosion of acid rain, salt fog, dust and corrosive gas to the electrical connection point is prevented, the purposes of eliminating potential safety hazards and reducing the fault rate are achieved, and the stable operation of the electrical equipment is ensured.
The sealing sleeve 1 can be fixed in various manners, for example, the sealing sleeve 1 can be directly connected with the pile head of the electrical equipment in a threaded manner, or can be fixed in a manner of pressing the sealing sleeve 1 downwards on the pile head of the electrical equipment when the threaded fastener such as a threaded fastener, a nut and the like is in threaded fit with the connecting screw 4 of the pile head of the electrical equipment.
In particular, in order not to change the existing structure of the pile head of the electrical equipment, the connection structure of the pile head of the electrical equipment and the wire of the electrical equipment is convenient to be modified, as shown in fig. 1, in a specific embodiment of the utility model, a fixing mode of pressing the sealing sleeve 1 down on the sealing sleeve 1 of the pile head of the electrical equipment when the sealing sleeve 101 is in threaded fit with the connecting screw 4 of the pile head of the electrical equipment through a threaded fastener is adopted, the threaded fastener can be a component part of the connection structure of the pile head of the electrical equipment and the insulated wire 6, or can be independently provided and only used for fixing the sealing sleeve 1, correspondingly, the sealing sleeve 1 adopts a split structure, comprising the sealing upper sleeve 101 and the sealing lower sleeve 102, the threaded fastener presses the sealing lower sleeve 102 on the pile head of the electrical equipment, the sealing upper sleeve 101 is detachably connected with the sealing lower sleeve 102, and the connection mode between the sealing upper sleeve 101 and the sealing lower sleeve 102 comprises but is not limited by threaded connection, clamping and buckling connection.
Specifically, as shown in fig. 1, the connection structure between the pile head and the insulated wire 6 of the electrical equipment comprises a connection terminal 5 and a connection device, the first end of the connection terminal 5 is used for connecting the insulated wire 6, the outer part of the second end is provided with external threads, the insulated wire 6 is connected with the first end of the connection terminal 5 in an advance prefabricated mode, the connection device comprises an inner threaded sleeve 8 and an outer threaded sleeve 9, the inner threaded sleeve 8 is provided with a threaded hole matched with the connecting screw 4 of the pile head of the electrical equipment, the threaded hole from the head to the tail can be formed in the inner threaded sleeve 8, a threaded step hole can be formed, a plurality of threaded holes with different inner diameters can be combined to realize the adaptation of the connecting screw 4 of the pile head of the electrical equipment, the outer threaded sleeve 9 is rotatably sleeved outside the inner threaded sleeve 8, the outer threaded sleeve 9 and the outer threads of the second end of the connection terminal 5 are matched to tightly press the connection terminal 5 on the inner threaded sleeve 8, namely the outer threaded sleeve 9 and the connection terminal 5 tightly press the inner threaded sleeve 8 from two ends of the inner threaded sleeve 8, and simultaneously the inner threaded sleeve 8 is tightly held by the inner threaded sleeve 8 as a fastener for tightly pressing the upper threaded fastener and lower threaded sleeve 102 of the electrical equipment.
In other embodiments, as shown in fig. 2, the connection structure between the pile head of the electrical device and the insulated wire 6 includes a mounting screw sleeve 10, a connection terminal 5 and a wire clip 11, wherein the mounting screw sleeve 10 is used for being screwed with the connection screw 4 of the pile head of the electrical device, meanwhile, the mounting screw sleeve 10 is used as a threaded fastener to compress the closed lower sleeve 102 on the pile head of the electrical device, and the mounting screw sleeve 10 can be provided with internal threads with different sizes according to the specification of the pile head of the electrical device so as to improve the universality of the mounting screw sleeve 10, and the electrical device includes but is not limited to a transformer; the first end of the wiring terminal 5 is used for connecting the insulated wire 6, the insulated wire 6 is connected with the first end of the wiring terminal 5 in an advance prefabricating way, the second end of the wiring terminal 5 is connected with the wire clamp 11, the wire clamp 11 is provided with a mounting hole and a driving mechanism, the mounting hole can be sleeved on the mounting screw sleeve 10, the driving mechanism can drive the mounting hole to shrink circumferentially so as to enable the wire clamp 11 to tightly hold the mounting screw sleeve 10, the driving mechanism comprises a locking bolt, the driving mechanism can comprise one or more locking bolts, the wire clamp 11 is provided with shrinkage joints communicated with the mounting hole, the wire clamp 11 is respectively provided with lug plates at two sides of the shrinkage joints, the locking bolts penetrate through the lug plates at one side of the shrinkage joints to be in threaded connection with the lug plates at the other side of the shrinkage joints, the mounting hole is shrunk circumferentially by tightening the locking bolts during mounting, the wire clamp 11 and the installation screw sleeve 10 are installed in a matched mode, when the connecting structure is adopted, an eccentric arrangement structure is usually adopted between the connecting screw 4 and the insulated wire 6 of the pile head of the electric equipment, in order to adapt to the structure, the sealing sleeve 1 further comprises a sealing middle sleeve 103, the sealing upper sleeve 101 is detachably connected with the sealing lower sleeve 102 through the sealing middle sleeve 103, the detachable connection comprises but is not limited to threaded connection, clamping connection, buckling connection and plugging connection, in the embodiment, since the connecting terminal 5 is not coaxial with the connecting screw 4, the sealing lower sleeve 102 is in plugging fit with the sealing middle sleeve 103, the sealing upper sleeve 101 is in threaded connection with the sealing middle sleeve 103, a sealing gasket is further arranged between the sealing lower sleeve 102 and the sealing middle sleeve 103, and the sealing gasket is clamped when the sealing lower sleeve 102 is in plugging fit with the sealing middle sleeve 103.
In order to ensure that the threaded fastener can effectively compress the closed lower sleeve 102, in the embodiment of the utility model, the threaded fastener compresses the closed lower sleeve 102 on the electric equipment pile head through the backing plate 7, when the electric equipment pile head is installed, the backing plate 7 is sleeved on the electric equipment pile head after the closed lower sleeve 102 is sleeved on the electric equipment pile head, and the threaded fastener compresses the closed lower sleeve 102 through the lower pressing plate 7, so that the compression of the closed lower sleeve 102 is not affected even if the threaded fastener with different model sizes is replaced, and of course, in other embodiments, the threaded fastener and the backing plate 7 can also be in an integral structure.
Of course, it should be noted that, in addition to the above two embodiments, the connection structure between the pile head of the electrical apparatus and the insulated conductor 6 may take other forms, which is not limited herein.
Preferably, as shown in fig. 1, in the embodiment of the present utility model, the upper sealing member is a sealing sleeve 2, the sealing sleeve 2 is at least sleeved outside the insulation layer of the insulated wire 6, the sealing sleeve 2 is made of soft insulation material, such as rubber, the sealing sleeve 1 presses the sealing sleeve 2 onto the insulation layer of the insulated wire 6, and during the assembly process of the sealing sleeve 1, the sealing sleeve 1 cooperates with the insulated wire 6 to press the sealing sleeve 2, so as to realize sealing.
Further optimizing above-mentioned technical scheme, seal cover 2 not only overlaps outside the insulating layer of insulated wire 6, and outside also downwardly extending and cover are located the binding post 5 of being connected insulated wire 6 with the pile head of electrical equipment, like this, seal cover 2 can seal the hookup location of insulated wire 6 and binding post 5.
Preferably, an axial limiting structure is further arranged between the sealing sleeve 2 and the wiring terminal 5 and/or between the sealing sleeve 2 and the sealing sleeve 1 to avoid axial movement of the sealing sleeve 2 in the process of compressing the sealing sleeve 2, specifically, in one embodiment of the present utility model, the axial limiting structure includes an annular boss arranged on one of the matching surfaces of the sealing sleeve 2 and the wiring terminal 5 and an annular groove arranged on the other of the matching surfaces of the sealing sleeve 2 and the wiring terminal 5, and the annular boss and the annular groove cooperate to axially limit the sealing sleeve 2 and the wiring terminal 5.
In order to ensure the sealing and insulation of the key parts, as shown in fig. 1, in the embodiment of the utility model, a first positioning step surface and a second positioning step surface are arranged on the inner wall of the sealing sleeve 1, the first positioning step surface is used for pressing the upper end of the sealing sleeve 2 on the insulating layer of the insulated wire 6, the second positioning step surface is used for pressing the sealing sleeve 2 on the upper end surface of the wiring terminal 5, and the sealing sleeve 1 can at least press and position the sealing sleeve 2 from two points through the first positioning step surface and the second positioning step surface, so that the pressing and positioning effect on the sealing sleeve 2 is improved.
In addition to the above-described manner of providing the positioning step surface, the inner wall of the sealing sleeve 1 may be provided with a tapered surface, so that the sealing sleeve 2 is compressed by the tapered surface.
Preferably, as shown in fig. 1, the lower sealing member is a sealing ring 3, in the embodiment of the present utility model, before the sealing lower sleeve 102 is installed, the sealing ring 3 is sleeved on the pile head of the electrical equipment, so that when the threaded fastener compresses the sealing lower sleeve 102, the sealing lower sleeve 102 can be matched with the pile head of the electrical equipment to compress the sealing ring 3, and insulation sealing between the lower end of the sealing sleeve 1 and the pile head of the electrical equipment is achieved.
In addition to the sealing sleeve 2 in the above embodiment, the upper sealing member may be a waterproof sealing head 12, as shown in fig. 3, the waterproof sealing head 12 may be inserted between the sealing sleeve 1 and the insulated wire 6 and in threaded connection with the sealing sleeve 1, the waterproof sealing head 12 is provided with a threading hole through which the insulated wire 6 passes, and the waterproof sealing head 12 is in sealing fit with the insulating layer of the insulated wire 6, and when the insulated wire 6 passes through the threading hole during installation, the waterproof sealing head 12 is screwed with the sealing sleeve 1 in a matching manner.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A protective structure for protecting a connection structure between a pile head and an insulated wire of an electrical apparatus, comprising:
the sealing sleeve is used for being covered outside the connecting structure of the pile head of the electrical equipment and the insulated wire;
the sealing device comprises an upper sealing element and a lower sealing element, wherein the upper sealing element is arranged between the upper end of the sealing sleeve and the insulating layer of the insulating wire so as to realize insulating sealing between the upper end of the sealing sleeve and the insulating wire, and the lower sealing element is arranged between the lower end of the sealing sleeve and the pile head of the electrical equipment.
2. The protective structure of claim 1 further comprising a threaded fastener that cooperates with a connecting screw of a pile head of the electrical device to compress the enclosure against the pile head of the electrical device.
3. The protective structure of claim 2, wherein said closed sleeve comprises a closed upper sleeve and a closed lower sleeve, said threaded fastener compressing said closed lower sleeve against said electrical device pile head, said closed upper sleeve being removably connected to said closed lower sleeve.
4. The protective structure of claim 3 wherein said enclosure further comprises an enclosure middle sleeve, said enclosure upper sleeve being removably connected to said enclosure lower sleeve by said enclosure middle sleeve.
5. The protective structure of claim 4 wherein said threaded fastener compresses said closed lower sleeve against said electrical device pile head via a backing plate.
6. The protective structure of any one of claims 1-5, wherein the upper seal member is a sealing sleeve, the sealing sleeve is at least sleeved outside the insulating layer of the insulated conductor, and the sealing sleeve compresses the sealing sleeve on the insulating layer of the insulated conductor.
7. The protective structure of claim 6, wherein the sealing sleeve is further sleeved outside a terminal connecting the insulated conductor with a pile head of the electrical equipment, and an axial limiting structure is arranged between the sealing sleeve and the terminal.
8. The protective structure according to claim 7, wherein a first positioning step surface and a second positioning step surface are arranged on the inner wall of the sealing sleeve, the first positioning step surface is used for pressing the upper end of the sealing sleeve onto the insulating layer of the insulated wire, and the second positioning step surface is used for pressing the sealing sleeve onto the upper end face of the wiring terminal.
9. The protective structure of any one of claims 1-5 and 7-8, wherein the lower seal is a seal ring, and the sealing sleeve compresses the seal ring against a pile head of the electrical device.
10. The protective structure according to any one of claims 1-5 and 7-8, wherein the upper sealing member is a waterproof sealing head, the waterproof sealing head can be inserted between the sealing sleeve and the insulated wire and is in threaded connection with the sealing sleeve, a threading hole through which the insulated wire passes is formed in the waterproof sealing head, and the waterproof sealing head is in sealing fit with the insulating layer of the insulated wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992360.0U CN219267444U (en) | 2022-07-29 | 2022-07-29 | Protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992360.0U CN219267444U (en) | 2022-07-29 | 2022-07-29 | Protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219267444U true CN219267444U (en) | 2023-06-27 |
Family
ID=86862200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221992360.0U Active CN219267444U (en) | 2022-07-29 | 2022-07-29 | Protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219267444U (en) |
-
2022
- 2022-07-29 CN CN202221992360.0U patent/CN219267444U/en active Active
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