CN106532598A - Metal insulating corrugated connecting pipe - Google Patents
Metal insulating corrugated connecting pipe Download PDFInfo
- Publication number
- CN106532598A CN106532598A CN201710035700.8A CN201710035700A CN106532598A CN 106532598 A CN106532598 A CN 106532598A CN 201710035700 A CN201710035700 A CN 201710035700A CN 106532598 A CN106532598 A CN 106532598A
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- CN
- China
- Prior art keywords
- screw
- flange
- metal
- connecting tube
- buckling
- Prior art date
- 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.)
- Granted
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Classifications
-
- 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
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gasket Seals (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses a metal insulating corrugated connecting pipe. The metal insulating corrugated connecting pipe comprises a pipe body, flanges, buckling and pressing screws, flexible joint nuts, an insulating block and buckling sleeves, and is characterized in that the flanges are connected with the pipe body and each flange is provided with a limiting block; the buckling and pressing screws are connected with the flanges and positioning blocks are arranged on the buckling and pressing screws; one end of each flexible joint nut is arranged on the corresponding flange and the other end of each flexible joint nut is connected with the corresponding buckling and pressing screw; the insulating block is composed of an inner insulating layer, a reinforcing line and an outer insulating layer; the insulating block is arranged between the buckling and pressing screws; the buckling sleeves are arranged between the buckling and pressing screws and the insulating block; and clamping blocks are arranged on the buckling sleeve. According to the metal insulating corrugated connecting pipe, the insulating block is arranged between the buckling and pressing screws on the pipe body; when one end of the pipe body has electric leakage, current conduction can be effectively blocked and utilization safety of the connecting pipe is guaranteed; and furthermore, under a vibration condition, resonance generated by the pipe body and a vibration source can be reduced or eliminated and the effects of absorbing vibration and reducing noise are realized.
Description
Technical field
The present invention relates to a kind of connecting tube, specifically a kind of metal-insulator corrugated connecting tube.
Background technology
At present, wavy metal pipe joint is integrally substantially and is made with metal material, due to metal material electric conductivity and
Rigidity, the field under the conditions of being applied to not have circuit safety and vibrations are possible, and do not interfere with its safety in utilization and buffering
Damping effect, however electric automobile, household electrical appliance, communications and transportation and other etc. field pipeline connection just have limitation,
Not only because the electric conductivity of wavy metal pipe joint reduces safety in utilization, buffering and damping effect is also reduced, metal is shortened
Corrugated pipe connector service life.
The content of the invention
The purpose of the present invention is to overcome existing wavy metal pipe joint because its electric conductivity and rigidity are in electric automobile, household electric
Used in the fields such as device, communications and transportation, security is not high, buffering and damping effect is not good, the problem that service life is short, there is provided a kind of
With the high metal-insulator corrugated connecting tube of insulating properties, good buffering and damping effect, long service life, capability and performance.
Present invention solves the technical problem that the technical scheme taken is：
A kind of metal-insulator corrugated connecting tube, including body, flange, screw, loose joint nut, collets and retaining ring are withheld, which is special
Levy and be：Described flange is connected with body, and limited block is provided with flange, and described screw of withholding is connected with flange,
And be provided with screw locating piece withholding, described loose joint nut one end is arranged on flange, and the other end connects with screw is withheld
Connect, described collets are made up of inner insulating layer, line feeder, external insulation layer, and collets are arranged on withhold screw and withhold
Between screw, described retaining ring is arranged on to be withheld between screw and collets, and fixture block is provided with retaining ring, on body
Withhold screw and withhold and be provided between screw collets, when body one end occurs to leak electricity, can effectively block electric current conduction,
Ensure that connecting tube uses safety, in addition, in case of shock, can also reduce or eliminate body with being total to that vibroseis is produced
Shake, reach the effect of damping noise reduction, collets are made up of inner insulating layer, line feeder, external insulation layer, inner insulating layer is set to hydrogen
Change nitrile rubber, external insulation layer is set to EP rubbers material, not only increase the insulating properties of collets, and strengthen
The intensity and damping performance of collets, and then the insulating properties and resistance to compression, the capability of antidetonance of connecting tube are improved, can also improve connecting tube
High- and low-temperature resistance performance, is provided with line feeder on inner insulating layer surface, improves the capability and performance of collets, on external insulation layer
It is provided between reinforcement, and the reinforcement and reinforcement on external insulation layer and is provided with dashpot, by reinforcement, buffering
Groove, not only increases the absorbing shock performance of collets, can also further enhance the capability and performance of collets, extends metal-insulator
The service life of corrugated connecting tube, in flange and withholds, and improves flange and withholds
Sealing between screw, and then improve the air-tightness of metal-insulator corrugated connecting tube.
Described flange and withhold.
Described inner insulating layer is set to hydrogenated nitrile-butadiene rubber material.
Described line feeder is set to acrylic fibers wire material or aramid fiber wire material.
Described external insulation layer is set to EP rubbers material.
It is provided with described external insulation layer between reinforcement, and the reinforcement and reinforcement on external insulation layer and is provided with
Dashpot.
Described locating piece is connected with fixture block.
Beneficial effect：The present invention be provided between screw collets in withholding screw and withholding on body, in body one
When holding generation electric leakage, electric current conduction can be effectively blocked, it is ensured that using for connecting tube is safe, in addition, in case of shock, go back
Can reduce or eliminate the resonance that body and vibroseis are produced, reach the effect of damping noise reduction, by collets by inner insulating layer, plus
Strong line, external insulation layer composition, inner insulating layer are set to hydrogenated nitrile-butadiene rubber material, and external insulation layer is set to EP rubbers material,
The insulating properties of collets, and the intensity and damping performance of reinforced insulation block are not only increased, and then improves the exhausted of connecting tube
Edge and resistance to compression, the capability of antidetonance, can also improve the high- and low-temperature resistance performance of connecting tube, inner insulating layer surface is provided with line feeder,
The capability and performance of collets is improve, reinforcement, and the reinforcement on external insulation layer and reinforcement are provided with external insulation layer
Dashpot is provided between muscle, by reinforcement, dashpot, the absorbing shock performance of collets is not only increased, can also enter one
The capability and performance of step reinforced insulation block, extends the service life of metal-insulator corrugated connecting tube, in flange and withholds between screw
Sealing ring, sealing gasket are provided with, flange are improve and is withheld the sealing between screw, and then improve metal-insulator ripple company
The air-tightness of adapter.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of the present invention, illustrates flange and the attachment structure for withholding screw.
Fig. 3 is the part-structure schematic diagram of the present invention, and signal is become attached to the attachment structure of block and line feeder.
In figure：1. body, 2. flange, 3. withhold screw, 4. loose joint nut, 5. inner insulating layer, 6. retaining ring, 7. limited block,
8. sealing ring, 9. sealing gasket, 10. locating piece, 11. line feeders, 12. external insulation layers, 13. reinforcements, 14. dashpots, 15. card
Block.
Specific embodiment
The present invention is described in detail below with reference to accompanying drawing.
Embodiment one：
As illustrated in the accompanying drawings from 1 to 3, a kind of metal-insulator corrugated connecting tube, including body 1, flange 2, withhold screw 3, loose joint nut 4,
Collets 5 and retaining ring 6, it is characterised in that：Described flange 2 is connected with body 1, and limited block 7 is provided with flange 2, institute
The screw 3 of withholding stated is connected with flange 2, and be provided with screw 3 locating piece 10 withholding, described flange 2 with withhold screw 3
Between be provided with sealing ring 8, sealing gasket 9, described 4 one end of loose joint nut is arranged on flange 2, the other end with withhold screw 3
Connection, improves the precision of loose joint nut position on flange 2 by limited block 7, and then improves loose joint nut 4 and withhold spiral shell
Bonding strength between silk 3, described collets are made up of inner insulating layer 5, line feeder 11, external insulation layer 12, and by collets
It is arranged on and withholds screw 3 and withhold between screw 3, described inner insulating layer 5 is set to hydrogenated nitrile-butadiene rubber material, described adds
Strong line 11 is set to acrylic fibers wire material, and described external insulation layer 12 is set to EP rubbers material, on described external insulation layer 12
It is provided between reinforcement 13, and the reinforcement 13 and reinforcement 13 on external insulation layer 12 and is provided with dashpot 14, it is described
Retaining ring 6 is arranged on to be withheld between screw 3 and collets 5, and fixture block 15 is provided with retaining ring 6, described locating piece 10 and card
Block 15 connects, and improves retaining ring 6 and withholds the bonding strength between screw 3, and then improves the quality of metal-insulator corrugated connecting tube
Performance, be provided with collets in withholding screw 3 and withholding on body 1 between screw 3, when 1 one end of body occurs to leak electricity, energy
Enough effectively blocking electric current conduction, it is ensured that using for connecting tube is safe, in addition, in case of shock, collets can also be reduced
Or the resonance that body 1 is produced with vibroseis is eliminated, the effect of damping noise reduction is reached, by collets by inner insulating layer 5, line feeder
11st, external insulation layer 12 is constituted, and inner insulating layer 5 is set to hydrogenated nitrile-butadiene rubber material, and external insulation layer 12 is set to EP rubbers material
Material, not only increases the insulating properties of collets, and the intensity and damping performance of reinforced insulation block, and then improves connecting tube
Insulating properties and resistance to compression, the capability of antidetonance, can also improve the high- and low-temperature resistance performance of connecting tube, and 5 surface of inner insulating layer is provided with reinforcement
Line 11, improves the capability and performance of collets, and reinforcement 13, and adding on external insulation layer 12 are provided with external insulation layer 12
Dashpot 14 is provided between muscle 13 and reinforcement 13 by force, by reinforcement 13, dashpot 14, the slow of collets is not only increased
Shock stability is eaten up part of, the capability and performance of collets can be also further enhanced, extends the service life of metal-insulator corrugated connecting tube,
Flange 2 and withhold, improve flange 2 and withhold the sealing between screw 3,
And then improve the sealing of metal-insulator corrugated connecting tube.
Embodiment two：
As illustrated in the accompanying drawings from 1 to 3, a kind of metal-insulator corrugated connecting tube, including body 1, flange 2, withhold screw 3, loose joint nut 4,
Collets 5 and retaining ring 6, it is characterised in that：Described flange 2 is connected with body 1, and limited block 7 is provided with flange 2, institute
The screw 3 of withholding stated is connected with flange 2, and be provided with screw 3 locating piece 10 withholding, described flange 2 with withhold screw 3
Between be provided with sealing ring 8, sealing gasket 9, described 4 one end of loose joint nut is arranged on flange 2, the other end with withhold screw 3
Connection, improves the precision of loose joint nut position on flange 2 by limited block 7, and then improves loose joint nut 4 and withhold spiral shell
Bonding strength between silk 3, described collets are made up of inner insulating layer 5, line feeder 11, external insulation layer 12, and by collets
It is arranged on and withholds screw 3 and withhold between screw 3, described inner insulating layer 5 is set to hydrogenated nitrile-butadiene rubber material, described adds
Strong line 11 is set to aramid fiber wire material, and described external insulation layer 12 is set to EP rubbers material, on described external insulation layer 12
It is provided between reinforcement 13, and the reinforcement 13 and reinforcement 13 on external insulation layer 12 and is provided with dashpot 14, it is described
Retaining ring 6 is arranged on to be withheld between screw 3 and collets 5, and fixture block 15 is provided with retaining ring 6, described locating piece 10 and card
Block 15 connects, and improves retaining ring 6 and withholds the bonding strength between screw 3, and then improves the quality of metal-insulator corrugated connecting tube
Performance, be provided with collets in withholding screw 3 and withholding on body 1 between screw 3, when 1 one end of body occurs to leak electricity, energy
Enough effectively blocking electric current conduction, it is ensured that using for connecting tube is safe, in addition, in case of shock, collets can also be reduced
Or the resonance that body 1 is produced with vibroseis is eliminated, the effect of damping noise reduction is reached, by collets by inner insulating layer 5, line feeder
11st, external insulation layer 12 is constituted, and inner insulating layer 5 is set to hydrogenated nitrile-butadiene rubber material, and external insulation layer 12 is set to EP rubbers material
Material, not only increases the insulating properties of collets, and the intensity and damping performance of reinforced insulation block, and then improves connecting tube
Insulating properties and resistance to compression, the capability of antidetonance, can also improve the high- and low-temperature resistance performance of connecting tube, and 5 surface of inner insulating layer is provided with reinforcement
Line 11, improves the capability and performance of collets, and reinforcement 13, and adding on external insulation layer 12 are provided with external insulation layer 12
Dashpot 14 is provided between muscle 13 and reinforcement 13 by force, by reinforcement 13, dashpot 14, the slow of collets is not only increased
Shock stability is eaten up part of, the capability and performance of collets can be also further enhanced, extends the service life of metal-insulator corrugated connecting tube,
Flange 2 and withhold, improve flange 2 and withhold the sealing between screw 3,
And then improve the sealing of metal-insulator corrugated connecting tube.
Connecting tube A of structure fabrication as described in embodiment one, connecting tube B of structure fabrication as described in embodiment two are carried out
Detection, testing result see attached list 1.
Subordinate list 1
| Sequence number | Detection project | Index | Connecting tube A | Connecting tube B |
| 1 | Insulation proof voltage | Making alive AC3500V continues 1min, leakage current<5mA | 1.3mA | 1.7mA |
| 2 | Antiknock pressure | 125 DEG C, 4H, burst pressure are more than 13.5Mpa | 14.5 | 14.5 |
| 3 | Air-tightness | Pressurize at 125 DEG C 6MPa, pressurize 4H | No leakage | No leakage |
| 4 | It is corrosion-resistant | R407, R410 cold-producing medium corrodes 3min | It is corrosion-free | It is corrosion-free |
| 5 | It is low temperature resistant | - 40 DEG C, 3min is incubated, without embrittlement | Without embrittlement | Without embrittlement |
| 6 | Damping noise reduction | With flexion, effectiveness in vibration suppression is good | Well | Well |
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (7)
1. a kind of metal-insulator corrugated connecting tube, including body, flange, screw, loose joint nut, collets and retaining ring are withheld, its
It is characterised by：Described flange is connected with body, and limited block is provided with flange, and described screw of withholding is connected with flange
Connect, and be provided with screw locating piece withholding, described loose joint nut one end is arranged on flange, the other end with withhold screw
Connection, described collets are made up of inner insulating layer, line feeder, external insulation layer, and collets are arranged on are withheld screw and buckled
Between pressure screw, described retaining ring is arranged on to be withheld between screw and collets, and fixture block is provided with retaining ring.
2. metal-insulator corrugated connecting tube according to claim 1, it is characterised in that：Described flange with withhold screw it
Between be provided with sealing ring, sealing gasket.
3. metal-insulator corrugated connecting tube according to claim 1, it is characterised in that：Described inner insulating layer is set to hydrogen
Change nitrile rubber.
4. metal-insulator corrugated connecting tube according to claim 1, it is characterised in that：Described line feeder is set to acrylic fibers
Wire material or aramid fiber wire material.
5. metal-insulator corrugated connecting tube according to claim 1, it is characterised in that：Described external insulation layer is set to second
Third elastomeric material.
6. metal-insulator corrugated connecting tube according to claim 5, it is characterised in that：It is provided with described external insulation layer
Dashpot is provided between reinforcement, and the reinforcement and reinforcement on external insulation layer.
7. metal-insulator corrugated connecting tube according to claim 1, it is characterised in that：Described locating piece is connected with fixture block
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035700.8A CN106532598B (en) | 2017-01-18 | 2017-01-18 | A kind of metal-insulator corrugated connecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035700.8A CN106532598B (en) | 2017-01-18 | 2017-01-18 | A kind of metal-insulator corrugated connecting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532598A true CN106532598A (en) | 2017-03-22 |
| CN106532598B CN106532598B (en) | 2018-03-16 |
Family
ID=58335563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035700.8A Active CN106532598B (en) | 2017-01-18 | 2017-01-18 | A kind of metal-insulator corrugated connecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106532598B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864080A (en) * | 1987-06-01 | 1989-09-05 | The Carlon Company | Terminator connector fitting for electrical box and conduit system |
| CN202363835U (en) * | 2011-12-14 | 2012-08-01 | 上海日承实业有限公司 | Novel corrugated pipe |
| CN104065005A (en) * | 2014-06-14 | 2014-09-24 | 贵州环瑞科技有限公司 | Connecting structure and manufacturing method of composite polypropylene GHFB square high-voltage cable |
| CN204089088U (en) * | 2014-10-17 | 2015-01-07 | 国家电网公司 | Communications equipment room underground line protection system |
| CN206353682U (en) * | 2017-01-18 | 2017-07-25 | 广德亚捷实业有限公司 | A kind of metal-insulator corrugated connecting tube |
-
2017
- 2017-01-18 CN CN201710035700.8A patent/CN106532598B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864080A (en) * | 1987-06-01 | 1989-09-05 | The Carlon Company | Terminator connector fitting for electrical box and conduit system |
| CN202363835U (en) * | 2011-12-14 | 2012-08-01 | 上海日承实业有限公司 | Novel corrugated pipe |
| CN104065005A (en) * | 2014-06-14 | 2014-09-24 | 贵州环瑞科技有限公司 | Connecting structure and manufacturing method of composite polypropylene GHFB square high-voltage cable |
| CN204089088U (en) * | 2014-10-17 | 2015-01-07 | 国家电网公司 | Communications equipment room underground line protection system |
| CN206353682U (en) * | 2017-01-18 | 2017-07-25 | 广德亚捷实业有限公司 | A kind of metal-insulator corrugated connecting tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532598B (en) | 2018-03-16 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210106 Address after: 242300 No. 555, Waihuan East Road, Ningguo City, Xuancheng City, Anhui Province Patentee after: Ningguo Yajie Auto Parts Co.,Ltd. Address before: 242200 no.387 Wenzheng Road, Guangde Economic Development Zone, Xuancheng City, Anhui Province Patentee before: GUANGDE YAJIE INDUSTRIAL Co.,Ltd. |