CN214479274U - Concave-convex cable protection tube - Google Patents
Concave-convex cable protection tube Download PDFInfo
- Publication number
- CN214479274U CN214479274U CN202120502530.1U CN202120502530U CN214479274U CN 214479274 U CN214479274 U CN 214479274U CN 202120502530 U CN202120502530 U CN 202120502530U CN 214479274 U CN214479274 U CN 214479274U
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- Prior art keywords
- cable
- pipe
- concave
- arc
- convex
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000003313 weakening effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides a concave and convex type cable pillar relates to power equipment technical field, through adopting including concave type pipe and protruding type pipe, concave type pipe includes the arc body and places the mounting groove of cable, the center of arc body is located to the mounting groove, protruding type pipe is provided with the installation department with the mounting groove joint, the both ends of arc body all are provided with first connecting groove, the both ends of installation department all are equipped with connecting portion, connecting portion are equipped with the technical scheme with the first connecting hole of first connecting groove adaptation, simple to operate has, connect inseparable beneficial effect.
Description
Technical Field
The utility model relates to a power equipment technical field particularly, relates to a concave-convex type cable pillar.
Background
The cable protection tube is a protection tube which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged, is also called as a cable protection tube, is mainly installed at a section where a communication cable and a power line intersect, and is used for preventing the cable from being broken due to extrusion collision to cause a short-circuit accident and playing a certain role in isolating the magnetic field interference of the power line. The cable protective sleeve is a novel sleeve material which is popularized and used in power engineering. With the rapid development of power cable buried laying engineering and the higher requirements put forward on cable sleeves, the cable protective sleeve is made of Polyethylene (PE) and a high-quality steel pipe through sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing processes.
The existing cable protection pipe is mainly divided into two types, the first type is to use round pipes such as steel pipes and PE pipes to penetrate the pipes, and the defects of low construction speed, more construction personnel, high construction difficulty, inconvenience in maintenance and the like exist. The second method is to lay the cable after cutting the steel pipe, lay the cable on the half steel pipe first, and then use the half steel pipe to cover on it after laying the cable, because there is obvious gap in the pipeline, there is great potential safety hazard. Therefore, the prior art has yet to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concave-convex cable pillar, it can propose corresponding solution to above-mentioned problem, has simple to operate, connects inseparable beneficial effect.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a concave-convex cable protective pipe, it includes concave type pipe and protruding type pipe, and concave type pipe includes the arc body and places the mounting groove of cable, and the center of arc body is located to the mounting groove, and protruding type pipe is provided with the installation department with the mounting groove joint, and the both ends of arc body all are provided with first connecting groove, and the both ends of installation department all are equipped with connecting portion, and connecting portion are equipped with the first connecting hole with first connecting groove adaptation.
In some embodiments of the present invention, the connecting portion is provided with a position-limiting part, and the position-limiting part abuts against the outer contour of the arc-shaped pipe body.
The setting of locating part can prevent that it from producing too big deformation volume when the arc body receives great impact, improves the life of arc body.
In some embodiments of the present invention, the position limiting member includes a rubber block.
The rubber block has better elasticity and toughness, can restrict arc body both ends, can carry out certain absorption to the impact that the arc body received simultaneously.
In some embodiments of the present invention, the inside of the arc-shaped tube body is provided with a buffer structure.
The setting of buffer structure can carry out weakening once more to the impact that receives the preliminary weakening of arc body outer wall, further improves the protection effect to the cable.
In some embodiments of the present invention, the buffering structure includes a buffering filling layer, and the buffering filling layer includes an EVA plastic layer.
The EVA plastic layer has good flexibility and shock resistance, and can well absorb and weaken the impact on the arc-shaped pipe body.
In some embodiments of the present invention, the buffering structure includes a plurality of buffering bodies that are uniformly disposed.
A plurality of buffering bodies evenly set up for the arc body can be better handle the impact of a plurality of directions, promote the protection effect of arc body.
In some embodiments of the present invention, one side of the installation portion away from the installation groove is provided with a plurality of protection protrusions.
The setting of protection arch can prevent that the outside of concave pipe from receiving the impact, and the protection arch has certain thickness, can weaken the impact that the cable in the mounting groove received.
The utility model discloses an in some embodiments, still include the connection hoop, the connection hoop includes retainer plate and second connecting hole, and the retainer plate is connected with connecting portion.
After the retainer plate is connected with connecting portion, bolt fastener installs in the second connecting hole, realizes being connected the parcel nature of concave type pipe and protruding type pipe.
The utility model discloses an in some embodiments, above-mentioned retainer plate is inside to be equipped with the draw-in groove, draw-in groove and connecting portion joint.
The clamping groove is clamped with the connecting part, so that the fixing ring is more convenient to install.
In some embodiments of the present invention, the concave pipe and the convex pipe both include a PVC pipe body.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the embodiment of the utility model comprises a concave pipe and a convex pipe, wherein the concave pipe comprises an arc pipe body and a mounting groove for placing a cable, the arc pipe body has better shock resistance, can effectively weaken the received impact and has better protection effect on the cable in the mounting groove; the installation groove is arranged at the center of the arc-shaped pipe body, so that the cable is also positioned at the center position in the arc-shaped pipe body when being laid, and is wrapped in the installation groove, the impact in multiple directions can be offset or weakened, and a better protection effect is provided for the cable positioned at the center; the installation part clamped with the installation groove is arranged on the convex pipe, after the cable is laid in the installation groove, the installation part can be directly clamped with the installation groove, preliminary installation of the convex pipe and the concave pipe is completed, and the installation process is simple and rapid; the two ends of the arc-shaped pipe body are provided with first connecting grooves, the two ends of the mounting part are provided with connecting parts, and the connecting parts are provided with first connecting holes matched with the first connecting grooves; after the installation part is clamped with the installation groove, the installation part is tightly connected with the first connection groove after penetrating through the first connection hole by using a screw, so that the connection of the concave pipe and the convex pipe is more tight, no obvious gap exists between the convex pipe and the concave pipe, and the potential safety hazard is reduced; and when the cable breaks down, the convex pipe and the concave pipe can be quickly separated, so that the cable can be quickly overhauled. Therefore, the embodiment of the utility model provides a have simple to operate, connect inseparable and the little beneficial effect of potential safety hazard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view illustrating installation of a male pipe and a female pipe according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a concave pipe (buffer filling layer) provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a concave pipe (arc-shaped buffer body) provided in an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a male pipe provided in an embodiment of the present invention;
fig. 5 is a perspective view of a connection ferrule provided in an embodiment of the present invention;
fig. 6 is a schematic view illustrating a complete installation of the concave-convex cable protection tube according to an embodiment of the present invention.
Icon: 100-concave pipe, 110-arc pipe, 111-first connecting groove, 112-buffer filling layer, 113-buffer body, 120-mounting groove, 200-convex pipe, 210-mounting part, 211-protective protrusion, 220-connecting part, 221-first connecting hole, 222-limiting part, 300-connecting hoop, 310-fixing ring, 311-clamping groove and 320-second connecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1 to 4, a concave-convex cable protection tube according to the present embodiment is shown, which includes a concave tube 100 and a convex tube 200, where the concave tube 100 includes an arc-shaped tube body 110 and a mounting groove 120 for placing a cable, and the arc-shaped tube body 110 has a good impact resistance, so as to effectively weaken an impact and protect the cable in the mounting groove 120; the installation groove 120 is arranged at the center of the arc-shaped pipe body 110, so that the cable is also positioned at the center of the inside of the arc-shaped pipe body 110 when being laid, and is wrapped in the installation groove, so that impact in multiple directions can be offset or weakened, and a better protection effect is provided for the cable positioned at the center; the convex pipe 200 is provided with the installation part 210 clamped with the installation groove 120, after the cable is laid in the installation groove 120, the installation part 210 can be directly clamped with the installation groove 120, the cable is protected in a wrapping mode, the primary installation of the convex pipe 200 and the concave pipe 100 is completed, and the installation process is simple and rapid; both ends of the arc-shaped pipe body 110 are provided with first connecting grooves 111, both ends of the mounting part 210 are provided with connecting parts 220, and the connecting parts 220 are provided with first connecting holes 221 matched with the first connecting grooves 111; after the mounting part 210 is clamped with the mounting groove 120, the mounting part passes through the first connecting hole 221 by using a screw and then is fastened and connected with the first connecting groove 111, so that the connection between the concave pipe 100 and the convex pipe 200 is more fastened, no obvious gap exists between the convex pipe 200 and the concave pipe 100, and potential safety hazards are reduced; and when the cable breaks down, the convex pipe 200 and the concave pipe 100 can be quickly separated by screwing out the screw, so that the cable can be quickly overhauled.
In some embodiments of the present invention, the connecting portion 220 is provided with a limiting member 222, and the limiting member 222 abuts against the outer contour of the arc-shaped pipe body 110. As shown in fig. 1, the position-limiting members 222 are located at two sides of two ends of the arc-shaped pipe body 110, and abut against the two ends of the arc-shaped pipe body 110, so that the arc-shaped pipe body 110 can be prevented from generating an excessive deformation amount when being subjected to a large impact, and the service life of the arc-shaped pipe body 110 can be prolonged; and the quick installation and positioning of the male pipe 200 on the connecting part 220 can be realized, so that the male pipe 200 and the female pipe 100 can be installed more quickly, and the workload of cable laying is effectively reduced.
In some embodiments of the present invention, the position-limiting member 222 includes a rubber block. The rubber block has better elasticity and toughness, can carry out better restriction to arc body 110 both ends, can reduce arc body 110 and receive great produced lateral deformation that strikes, can carry out certain absorption to the impact that arc body 110 received simultaneously.
It should be noted that, in other embodiments, the limiting member 222 may also be a silica gel block, which can also perform a better limiting and protecting function on the arc-shaped pipe body 110.
In some embodiments of the present invention, as shown in fig. 2 and 3, a buffering structure is disposed inside the arc-shaped pipe body 110. Buffer structure's setting can carry out weakening once more to the impact that receives the preliminary weakening of arc body 110 outer wall, further improves the protective effect to the cable.
In some embodiments of the present invention, as shown in fig. 2, the buffering structure includes a buffering filling layer 112, and the buffering filling layer 112 includes an EVA plastic layer. The EVA plastic layer has good flexibility and shock resistance, and can absorb and weaken the impact on the arc-shaped pipe body 110 well.
It should be noted that, in other embodiments, the buffer filling layer 112 may also be a rubber filling layer, which also has a better impact resistance.
In some embodiments of the present invention, the buffering structure includes a plurality of buffering bodies 113 uniformly disposed. A plurality of buffer 113 evenly set up for the impact of the corresponding a plurality of directions that arc body 110 can be better promotes arc body 110's protection effect.
It should be noted that, in this embodiment, as shown in fig. 3, the buffer body 113 is an arc-shaped buffer body 113, the arc-shaped buffer bodies 113 are uniformly arranged, the arc-shaped design can better resist the impact, and the impact force is weakened to the greatest extent by the curved surface. In other some embodiments, the wave-shaped buffer body 113 can be further selected as the buffer body 113, the structural strength inside the arc-shaped pipe body 110 can be improved through the wave-shaped structure, and meanwhile, the impact force can be better absorbed to protect the cable inside.
In some embodiments of the present invention, as shown in fig. 4, a plurality of protection protrusions 211 are disposed on one side of the mounting portion 210 away from the mounting groove 120. The protection protrusion 211 is provided to prevent the outside of the female pipe 100 from being impacted, and has a certain thickness to weaken the impact on the cable in the installation groove 120. The protection is protruding can select silica gel arch or rubber arch, has the light advantage of quality when having good protective effect, can not add too big weight for concave type pipe 100.
In some embodiments of the present invention, the present invention further comprises a connecting hoop 300, the connecting hoop 300 comprises a fixing ring 310 and a second connecting hole 320, and the fixing ring 310 is connected to the connecting portion 220. As shown in fig. 5, the fixing ring 310 is in an unclosed ring shape, when being installed, the fixing ring 310 is directly pulled away by a certain angle to be connected with the connecting portion 220, and after the fixing ring 310 is connected with the connecting portion 220, the bolt fastener is installed in the second connecting hole 320, so that the wrapped connection of the female pipe 100 and the male pipe 200 is realized; when the cable is long, the pipeline formed by assembling the male pipe 200 and the female pipe 100 may be divided into a plurality of sections using the coupling band 300, so that the laying of the cable is faster.
In some embodiments of the present invention, a clamping groove 311 is disposed inside the fixing ring 310, and the clamping groove 311 is connected to the connecting portion 220. As shown in fig. 6, the clamping slot 311 is clamped with the connecting portion 220, so that the fixing ring 310 is more conveniently installed; connection structures such as hanging rings and threaded holes can be additionally arranged on the fixing ring 310, so that cables can be laid in more construction environments, and construction is more convenient.
In some embodiments of the present invention, the female pipe 100 and the male pipe 200 comprise PVC pipe bodies. The PVC pipe main component is polyvinyl chloride, has good tensile, compressive strength, still has good corrosion resistance concurrently simultaneously, need not to carry out extra anticorrosive treatment to the PVC body when laying the cable.
It should be noted that, in other embodiments, the protective tube 100 may also be a galvanized steel tube, which has good corrosion resistance and rigidity, and at the same time, is low in cost, and can be widely used in practice.
The working principle of the concave-convex cable protection pipe is as follows: when the cable installation structure is used, a cable is placed in the installation groove 120 of the concave pipe 100, then the convex pipe 200 is installed with the concave pipe 100 along the cable laying direction, namely, after the installation part 210 is clamped with the installation groove 120 through the auxiliary positioning effect of the limiting piece 222, a screw penetrates through the first connecting hole 221 and then is fastened and connected with the first connecting groove 111; when the cable is long, the fixing ring 310 is pulled apart by a certain angle and surrounds the outside of the pipeline formed by connecting the male pipe 200 and the female pipe 100, and the clamping groove 311 of the fixing ring 310 is clamped with the connecting part 220, so that the fixing ring 310 is installed.
To sum up, the embodiment of the present invention provides a concave-convex cable protection tube, which comprises a concave tube 100 and a convex tube 200, wherein the concave tube 100 comprises an arc tube 110 and a mounting groove 120 for placing a cable, the arc tube 110 has a better impact resistance, can effectively weaken the impact, and can better protect the cable in the mounting groove 120; the installation groove 120 is arranged at the center of the arc-shaped pipe body 110, so that the cable is also positioned at the center of the inside of the arc-shaped pipe body 110 when being laid, and the cable is wrapped in the installation groove, so that impacts in multiple directions can be counteracted or weakened; the convex pipe 200 is provided with the installation part 210 clamped with the installation groove 120, after the cable is laid in the installation groove 120, the installation part 210 can be directly clamped with the installation groove 120, the primary installation of the convex pipe 200 and the concave pipe 100 is completed, and the installation process is simple and quick; both ends of the arc-shaped pipe body 110 are provided with first connecting grooves 111, both ends of the mounting part 210 are provided with connecting parts 220, and the connecting parts 220 are provided with first connecting holes 221 matched with the first connecting grooves 111; after the mounting portion 210 is clamped with the mounting groove 120, the mounting portion is fastened and connected with the first connecting groove 111 after passing through the first connecting hole 221 by using a screw, so that the connection is more reliable and stable, no obvious gap exists, and potential safety hazards are reduced; when the cable breaks down, the convex pipe 200 and the concave pipe 100 can be quickly separated, so that the cable can be quickly overhauled; a buffer structure is arranged in the arc-shaped pipe body 110, the buffer structure comprises a buffer filling layer 112 and a buffer body 113, and both the buffer filling layer and the buffer body can weaken the impact primarily weakened by the outer wall of the arc-shaped pipe body 110 again, so that the cable protection effect is further improved; in addition, a connection hoop 300 is further included, and when the cable is long, the pipeline formed by assembling the male pipe 200 and the female pipe 100 can be divided into multiple sections by using the connection hoop 300, so that the laying of the cable is faster. Therefore, the utility model discloses simple to operate has, connect closely, overhaul quick and the little beneficial effect of potential safety hazard.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The concave-convex cable protection pipe is characterized by comprising a concave pipe and a convex pipe, wherein the concave pipe comprises an arc-shaped pipe body and a mounting groove for placing a cable, the mounting groove is formed in the center of the arc-shaped pipe body, the convex pipe is provided with an installation part clamped with the mounting groove, first connecting grooves are formed in the two ends of the arc-shaped pipe body, connecting parts are arranged at the two ends of the installation part, and the connecting parts are provided with first connecting holes matched with the first connecting grooves.
2. The concavo-convex cable sheath of claim 1 wherein said connecting portion is provided with a stop member which abuts against an outer contour of said arcuate tube body.
3. The rugged cable guard of claim 2, wherein the stop comprises a rubber block.
4. The rugged cable sheath of claim 1 wherein the arcuate tube body has a buffer structure disposed therein.
5. The rugged cable sheath of claim 4 wherein the buffer structure comprises a buffer fill layer comprising a layer of EVA plastic.
6. The rugged cable guard of claim 4, wherein the buffer structure comprises a plurality of uniformly arranged buffer bodies.
7. The rugged cable sheath of claim 1 wherein the mounting portion is provided with a plurality of protective bumps on a side thereof remote from the mounting groove.
8. The rugged cable shield of claim 1, further comprising a coupling ferrule comprising a retaining ring and a second coupling aperture, the retaining ring coupled to the coupling portion.
9. The concavo-convex cable protective tube of claim 8, wherein a clamping groove is arranged inside the fixing ring, and the clamping groove is clamped with the connecting part.
10. The rugged cable shield of claim 1 wherein the rugged tube and the rugged tube each comprise PVC tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502530.1U CN214479274U (en) | 2021-03-09 | 2021-03-09 | Concave-convex cable protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502530.1U CN214479274U (en) | 2021-03-09 | 2021-03-09 | Concave-convex cable protection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479274U true CN214479274U (en) | 2021-10-22 |
Family
ID=78154142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120502530.1U Expired - Fee Related CN214479274U (en) | 2021-03-09 | 2021-03-09 | Concave-convex cable protection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214479274U (en) |
-
2021
- 2021-03-09 CN CN202120502530.1U patent/CN214479274U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |