CN109193499B - MPVC electric power tubular product - Google Patents
MPVC electric power tubular product Download PDFInfo
- Publication number
- CN109193499B CN109193499B CN201811141303.XA CN201811141303A CN109193499B CN 109193499 B CN109193499 B CN 109193499B CN 201811141303 A CN201811141303 A CN 201811141303A CN 109193499 B CN109193499 B CN 109193499B
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- mpvc
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- power pipe
- rod
- heat dissipation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention belongs to the technical field of pipes, and particularly relates to an MPVC (multi-channel polyvinyl chloride) power pipe. According to the invention, the inner cylindrical part and the outer cylindrical part are divided into the plurality of computer accommodating chambers through the two fixing plates and the plurality of movable plates, so that the standard requirement for orderly laying of cables is met, and the internal space of the power pipe is divided, so that the cables can be separately placed, the cables are prevented from being crossed and wound together, the abrasion between cable protective sleeves is avoided, and the toughness of the power pipe is improved; the draw-in groove surface on the outer circular barrel inner wall is smooth, when the cable is drawn, not only the rigidity of the body is improved, but also the protection effect on the cable is achieved, and the damage to the cable when the cable is drawn is avoided.
Description
Technical Field
The invention belongs to the technical field of pipes, and particularly relates to an MPVC (multi-channel polyvinyl chloride) power pipe.
Background
The main component of PVC is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness and ductility of the PVC. The uppermost layer of the surface film is paint, the main component of the middle layer is polyvinyl chloride, the lowermost layer is back-coated adhesive, the PVC pipe is a hard polyvinyl chloride pipe, the PVC pipe is a plastic pipe which is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, the PVC pipe is developed and applied at the earliest, the PVC-U pipe has strong corrosion resistance, easy adhesion, low price and hard texture, but the PVC-U pipe is only suitable for a water supply system with the conveying temperature not exceeding 45 ℃ due to the seepage of a PVC-U monomer and an additive, and the plastic pipe is used for drainage, waste water, chemicals, heating liquid, cooling liquid, food, ultrapure liquid, slurry, gas, compressed air and a vacuum system.
The existing MPVC pipe has the defects that the strength of the pipe body is low, the service life of the MPVC pipe is shortened, more cables are arranged in the MPVC pipe in a penetrating mode when the MPVC pipe is used as a power pipe, the cables are mutually crossed and stacked together, therefore, the target cable is not favorably found when the cables are maintained, and when the cables are pulled, the damage to the surfaces of the cables is easily caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an MPVC power pipe which can separately place cables and avoid the cables from crossing and winding together.
In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows:
an MPVC power pipe comprises a body, wherein a support component is arranged in the body, and comprises an inner cylindrical part, an outer cylindrical part sleeved outside the inner cylindrical part and a plurality of support plates arranged between the inner cylindrical part and the outer cylindrical part;
the supporting plate comprises two fixing plates and a plurality of movable plates, the inner cylindrical part is connected with the outer cylindrical body through two fixing plates, and the two fixing plates are symmetrically arranged on two sides of the inner cylindrical part;
the movable plate is characterized in that a sliding ring is arranged at one end of the movable plate, the sliding ring is sleeved on the inner cylinder, a cavity is formed in the other end of the movable plate, a ball valve is arranged in the cavity, a spring is arranged between the bottom of the cavity and the ball valve, the diameter of the ball valve is larger than that of the opening of the cavity, a plurality of clamping grooves are uniformly formed in the inner wall of the outer cylinder, and the clamping grooves are abutted to the ball valve.
As a further improvement of the invention, two sides of the fixed plate are provided with accommodating grooves, the accommodating grooves are matched with the movable plate, the accommodating grooves are provided with a through hole, and the movable plate is provided with a bulge matched with the through hole.
As a further improvement of the invention, the outer cylinder and the fixing plate are made of heat conducting metal, and the fixing plate is provided with heat dissipation holes.
As a further improvement of the invention, a sleeve is arranged on the inner cylinder in a penetrating manner, two groups of wire blocking units for protecting the cable in the body are arranged on the sleeve, and the two groups of wire blocking units are symmetrically arranged on two sides of the inner cylinder.
As a further improvement of the invention, the wire blocking unit comprises a first rod and a second rod, the first rod and the second rod are both connected with the sleeve through a guide sleeve, a torsion spring is arranged on the guide sleeve, and a stop block matched with the free end of the first rod and the free end of the second rod is arranged on the outer cylinder.
As a further improvement of the present invention, the first rod and the second rod have the same structure, the first rod includes a rotating shaft, a roller is disposed on the rotating shaft, one end of the rotating shaft is connected with the guide sleeve, and a limiting portion matched with the roller is disposed on the other end of the rotating shaft, so that the roller cannot be separated from the rotating shaft.
As a further improvement of the invention, a plurality of grooves are uniformly arranged along the axial direction of the inner wall of the body, and heat dissipation films are arranged in the grooves; the body is provided with a plurality of reinforcing ribs, and the reinforcing ribs are arranged between two adjacent grooves.
As a further improvement of the invention, the body is provided with a heat dissipation assembly, the heat dissipation assembly comprises a mutual inductor, a rectifying circuit and a refrigerating piece, and the mutual inductor, the rectifying circuit and the refrigerating piece are electrically connected in sequence; the cold end of the refrigeration piece is connected with a heat dissipation plate arranged on the body.
As a further improvement of the invention, a plurality of through holes are arranged in the body along the length direction of the body, a heat dissipation channel is connected to the outer edge of each through hole along the central radiation direction of the electric power communication pipe body, and the cold ends of the refrigeration sheets are inserted in the heat dissipation channel and are abutted against the bottoms of the through holes.
As a further improvement of the invention, the body comprises the following components in parts by weight: 80-120 parts of PVC, 0.5-1.5 parts of hard lead, 4-9.4 parts of chlorinated polyethylene, 2-5 parts of polyvinyl chloride resin processing modifier, 0.28-0.6 part of paraffin, 8-10 parts of light calcium carbonate, 0.85-1.7 parts of hard calcium carbonate and calcium-zinc composite stabilizer: 1-6 parts of toughening agent, 2-15 parts of compatibilizer, 2-5 parts of compatibilizer, 8-10 parts of stabilizer and 0.5-1 part of paraffin.
According to the technical scheme, the inner cylindrical part and the outer cylindrical part are divided into the plurality of computer accommodating chambers through the two fixing plates and the movable plates, so that the standard requirement for orderly laying of cables is met, the internal space of the power pipe is divided, the cables can be placed separately, the cables are prevented from being crossed and wound together, the abrasion between cable protective sleeves is avoided, and the toughness of the power pipe is improved; the draw-in groove surface on the outer circular barrel inner wall is smooth, when the cable is drawn, not only the rigidity of the body is improved, but also the protection effect on the cable is achieved, and the damage to the cable when the cable is drawn is avoided.
Drawings
Fig. 1 is a schematic structural view of an MPVC power pipe of the present invention.
Fig. 2 is a schematic view of the structure of the support plate of the present invention.
Description of reference numerals: 1. a body; 11. a through hole; 12. cold ends of the refrigerating fins; 13. the hot end of the refrigerating sheet; 2. an outer cylindrical body; 21. a fixing plate; 22. a through hole; 23. heat dissipation holes; 24. a containing groove; 3. an inner cylindrical member; 31. a drum; 32. a ball valve; 33. a guide sleeve; 34. a card slot; 35. a rotating shaft;
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, an MPVC power pipe includes a body 1, a support member is disposed in the body 1, and the support member includes an inner cylindrical member 3, an outer cylindrical member sleeved outside the inner cylindrical member 3, and a plurality of support plates disposed between the inner cylindrical member 3 and the outer cylindrical member;
the supporting plate comprises two fixing plates 21 and a plurality of movable plates, the inner cylindrical part 3 is connected with the outer cylindrical body 2 through two fixing plates, and the two fixing plates 21 are symmetrically arranged on two sides of the inner cylindrical part 3;
the improved structure of the inner cylinder is characterized in that a sliding ring is arranged at one end of the movable plate, the sliding ring is sleeved on the inner cylinder, a cavity is arranged at the other end of the movable plate, a ball valve 32 is arranged in the cavity, a spring is arranged between the bottom of the cavity and the ball valve 32, the diameter of the ball valve 32 is larger than that of the opening of the cavity, a plurality of clamping grooves 34 are uniformly formed in the inner wall of the outer cylinder 2, and the clamping grooves 34 are abutted to the ball valve 32.
Two sides of the fixed plate 21 are provided with a containing groove 24, the containing groove 24 is matched with the movable plate, the containing groove 24 is provided with a through hole 22, and the movable plate is provided with a bulge matched with the through hole 22.
The accommodating groove 24 is used for accommodating the movable plate, so that the body 1 can be divided into 2-4 cable accommodating chambers, and the movable plate can be better accommodated in the accommodating groove 24 by matching the protrusions and the through holes 22.
The outer cylinder 2 and the fixing plate 21 are made of heat conducting metal, and the fixing plate 21 is provided with heat dissipation holes 23.
The inner cylinder body is provided with a sleeve in a penetrating mode, the sleeve is provided with two groups of wire blocking units used for protecting the cable inside the body 1, and the two groups of wire blocking units are symmetrically arranged on two sides of the inner cylinder body.
The stop line unit comprises a first rod and a second rod, the first rod and the second rod are connected with the sleeve through guide sleeves 33, torsion springs are arranged on the guide sleeves 33, and stop blocks matched with the free ends of the first rod and the second rod are arranged on the outer cylinder body 2.
The cable that can install different models on body 1 can be kept off the line unit, and application scope is wide.
The first rod and the second rod are identical in structure, the first rod comprises a rotating shaft 35, the rotating shaft 35 is provided with a roller 31 in a penetrating mode, one end of the rotating shaft 35 is connected with the guide sleeve 33, and the other end of the rotating shaft is provided with a limiting portion matched with the roller 31, so that the roller 31 cannot be separated from the rotating shaft 35.
The roller 31 can achieve the protection effect on the cable when the cable is drawn, and avoid the damage to the cable when the cable is drawn.
A plurality of grooves are uniformly formed in the axial direction of the inner wall of the body 1, and heat dissipation films are arranged in the grooves; a plurality of reinforcing ribs are arranged on the body 1, and the reinforcing ribs are arranged between two adjacent grooves.
Evenly set up a plurality of recesses in the edge 1 inner wall axial of body, its simple structure, the radiating effect is good, and convenient to use has increased effective heat radiating area, can realize the inside heat dissipation of power tube fast, guarantees the life of power intraductal cable.
The body 1 is provided with a heat dissipation assembly, the heat dissipation assembly comprises a mutual inductor, a rectifying circuit and a refrigerating piece, and the mutual inductor, the rectifying circuit and the refrigerating piece are electrically connected in sequence; the cold end 12 of the refrigerating sheet is connected with a heat dissipation plate arranged on the body 1.
The rectifier circuit comprises a filter circuit, a control chip, a storage battery, a current amplification circuit and the like, and the rectifier circuit supplies current on the mutual inductor to the refrigerating sheet.
The mutual inductor is connected with the rectifying circuit to provide electric energy for the refrigerating sheet, so that the dissipation of the temperature inside the power tube can be further accelerated, the groove can increase the heat dissipation area, the rigidity and the strength of the power tube are improved, and the refrigerating device has good economic and social benefits and is suitable for popularization and use.
A plurality of through holes 11 are formed in the body 1 along the length direction of the body, a heat dissipation channel is connected to the outer edge of each through hole 11 along the center divergence direction of the power communication pipe body 1, and the cold ends 12 of the refrigerating fins are inserted into the heat dissipation channel and abutted against the bottoms of the through holes 11.
When the cable cooling device is used, the cable heats and transfers heat to the through hole 11 or directly to the cold end 12 of the refrigerating sheet, the heat is buffered through the arrangement of the through hole 11, the heat in the through hole 11 is transferred to the cold end 12 of the refrigerating sheet from the heat dissipation channel, and the hot end 13 of the refrigerating sheet dissipates heat to the outside.
The body 1 comprises the following components in parts by weight: 80-120 parts of PVC, 0.5-1.5 parts of hard lead, 4-9.4 parts of chlorinated polyethylene, 2-5 parts of polyvinyl chloride resin processing modifier, 0.28-0.6 part of paraffin, 8-10 parts of light calcium carbonate, 0.85-1.7 parts of hard calcium carbonate and calcium-zinc composite stabilizer: 1-6 parts of toughening agent, 2-15 parts of compatibilizer, 2-5 parts of compatibilizer, 8-10 parts of stabilizer and 0.5-1 part of paraffin.
The body 11 produced by the invention has the advantages of easily available raw materials, low price, suitability for industrial production, simple production process, high strength, high pressure resistance, high toughness and the like, good ageing resistance, and greatly improved fatigue resistance, weather resistance, cold resistance, ozone resistance, heat resistance and the like; the added polyvinyl chloride resin processing modifier can improve the compatibility among PVC particles, thereby achieving the purpose of improving the toughness of the material, improving the strength of the body 1, having good heat resistance, increasing the heat-resistant temperature by 10 ℃, and expanding the application range; the toughening agent and the compatibilizer are added, so that the effect among materials in a system is enhanced, the structural defects of the product are obviously reduced, the surface gloss of the product is high, and the corrosion resistance is improved; when the optimal plasticizing temperature is reached, the temperature can be reduced by 5 ℃ compared with a lead salt stabilizer, and the molding temperature is reduced.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The MPVC power pipe is characterized by comprising a body, wherein a support part is arranged in the body, and comprises an inner cylindrical part, an outer cylindrical part sleeved outside the inner cylindrical part and a plurality of support plates arranged between the inner cylindrical part and the outer cylindrical part;
the supporting plate comprises two fixing plates and a plurality of movable plates, the inner cylindrical part is connected with the outer cylindrical body through the two fixing plates, and the two fixing plates are symmetrically arranged on two sides of the inner cylindrical part;
the movable plate is characterized in that a sliding ring is arranged at one end of the movable plate, the sliding ring is sleeved on the inner cylinder, a cavity is formed in the other end of the movable plate, a ball valve is arranged in the cavity, a spring is arranged between the bottom of the cavity and the ball valve, the diameter of the ball valve is larger than that of the opening of the cavity, a plurality of clamping grooves are uniformly formed in the inner wall of the outer cylinder, and the clamping grooves are abutted to the ball valve.
2. The MPVC power pipe as recited in claim 1, wherein two sides of the fixed plate are provided with receiving grooves, the receiving grooves are matched with the movable plate, the receiving grooves are provided with a through hole, and the movable plate is provided with a bulge matched with the through hole.
3. The MPVC power pipe as recited in claim 1, wherein the outer cylinder and the fixing plate are made of heat-conducting metal, and the fixing plate is provided with heat dissipation holes.
4. The MPVC power pipe as recited in claim 1, wherein a sleeve is arranged on the inner cylinder in a penetrating way, two groups of wire blocking units for protecting the cable inside the body are arranged on the sleeve, and the two groups of wire blocking units are symmetrically arranged on two sides of the inner cylinder.
5. The MPVC power pipe as recited in claim 4, wherein the wire blocking unit comprises a first rod and a second rod, both the first rod and the second rod are connected with the sleeve through a guide sleeve, a torsion spring is arranged on the guide sleeve, and a stop block matched with the free end of the first rod and the free end of the second rod is arranged on the outer cylinder.
6. The MPVC power pipe material as recited in claim 5, wherein the first rod and the second rod have the same structure, the first rod comprises a rotating shaft, a roller is arranged on the rotating shaft in a penetrating way, one end of the rotating shaft is connected with the guide sleeve, and the other end of the rotating shaft is provided with a limiting part matched with the roller, so that the roller cannot be separated from the rotating shaft.
7. The MPVC power pipe as recited in claim 1, wherein a plurality of grooves are uniformly arranged along the axial direction of the inner wall of the body, and heat dissipation films are arranged in the grooves; the body is provided with a plurality of reinforcing ribs, and the reinforcing ribs are arranged between two adjacent grooves.
8. The MPVC power pipe as recited in claim 1, wherein the body is provided with a heat dissipation assembly, the heat dissipation assembly comprises a mutual inductor, a rectifying circuit and a refrigerating sheet, and the mutual inductor, the rectifying circuit and the refrigerating sheet are electrically connected in sequence; the cold end of the refrigeration piece is connected with a heat dissipation plate arranged on the body.
9. The MPVC power pipe as recited in claim 8, wherein a plurality of through holes are arranged in the body along the length direction thereof, a heat dissipation channel is connected to the outer edge of each through hole along the central radiation direction of the power communication pipe body, and the cold ends of the refrigeration fins are inserted in the heat dissipation channel and abut against the bottom of the through holes.
10. The MPVC power pipe of claim 1, wherein the body comprises the following components in parts by weight: 80-120 parts of PVC, 0.5-1.5 parts of hard lead, 4-9.4 parts of chlorinated polyethylene, 2-5 parts of polyvinyl chloride resin processing modifier, 0.28-0.6 part of paraffin, 8-10 parts of light calcium carbonate, 0.85-1.7 parts of hard calcium carbonate and calcium-zinc composite stabilizer: 1-6 parts of toughening agent, 2-15 parts of compatibilizer, 2-5 parts of compatibilizer, 8-10 parts of stabilizer and 0.5-1 part of paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141303.XA CN109193499B (en) | 2018-09-28 | 2018-09-28 | MPVC electric power tubular product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141303.XA CN109193499B (en) | 2018-09-28 | 2018-09-28 | MPVC electric power tubular product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109193499A CN109193499A (en) | 2019-01-11 |
| CN109193499B true CN109193499B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811141303.XA Active CN109193499B (en) | 2018-09-28 | 2018-09-28 | MPVC electric power tubular product |
Country Status (1)
| Country | Link |
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| CN (1) | CN109193499B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384692B (en) * | 2020-04-15 | 2020-12-18 | 扬州市鸿信线路器材有限公司 | High-strength pressure-resistant cable protection pipe |
| CN111477391B (en) * | 2020-04-21 | 2022-01-04 | 天津六0九电缆有限公司 | Composite cable |
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| CN104086918A (en) * | 2014-07-09 | 2014-10-08 | 安徽宁国市高新管业有限公司 | High-strength electric protecting tube |
| CN204992499U (en) * | 2015-07-24 | 2016-01-20 | 江苏日龙塑料制品有限公司 | Bury formula electric power protecting pipe |
| CN205116779U (en) * | 2015-10-15 | 2016-03-30 | 江苏楚鼎建设工程有限公司 | Support for building |
| CN207303895U (en) * | 2017-10-21 | 2018-05-01 | 杭州人通管业有限公司 | A kind of PVC power pipes |
| JP2018113173A (en) * | 2017-01-12 | 2018-07-19 | 住友電装株式会社 | Shielded conductive path |
| CN207743652U (en) * | 2017-12-11 | 2018-08-17 | 杭州圣昊管道有限公司 | A kind of MPP power pipes |
| CN207835026U (en) * | 2017-12-21 | 2018-09-07 | 安吉兴华电力管道股份有限公司 | A kind of MPP power pipes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800494U (en) * | 2010-07-22 | 2011-04-20 | 浙江吉利汽车研究院有限公司 | Height adjustable sun visor |
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2018
- 2018-09-28 CN CN201811141303.XA patent/CN109193499B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086918A (en) * | 2014-07-09 | 2014-10-08 | 安徽宁国市高新管业有限公司 | High-strength electric protecting tube |
| CN204992499U (en) * | 2015-07-24 | 2016-01-20 | 江苏日龙塑料制品有限公司 | Bury formula electric power protecting pipe |
| CN205116779U (en) * | 2015-10-15 | 2016-03-30 | 江苏楚鼎建设工程有限公司 | Support for building |
| JP2018113173A (en) * | 2017-01-12 | 2018-07-19 | 住友電装株式会社 | Shielded conductive path |
| CN207303895U (en) * | 2017-10-21 | 2018-05-01 | 杭州人通管业有限公司 | A kind of PVC power pipes |
| CN207743652U (en) * | 2017-12-11 | 2018-08-17 | 杭州圣昊管道有限公司 | A kind of MPP power pipes |
| CN207835026U (en) * | 2017-12-21 | 2018-09-07 | 安吉兴华电力管道股份有限公司 | A kind of MPP power pipes |
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|---|---|
| CN109193499A (en) | 2019-01-11 |
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