CN103986113A - Metal cable fixing head - Google Patents
Metal cable fixing head Download PDFInfo
- Publication number
- CN103986113A CN103986113A CN201410223515.8A CN201410223515A CN103986113A CN 103986113 A CN103986113 A CN 103986113A CN 201410223515 A CN201410223515 A CN 201410223515A CN 103986113 A CN103986113 A CN 103986113A
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- CN
- China
- Prior art keywords
- sealing ring
- main body
- threaded portion
- cable gland
- metallic cable
- 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.)
- Pending
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Abstract
The invention discloses a metal cable fixing head which comprises a pressing screw nut, a sealing ring, a tubular body, a sealing element and a nut. One end of the body is provided with a first thread portion, the other end of the body is provided with a second thread portion, a limiting boss is arranged between the first thread portion and the second thread portion, one end of the sealing ring is inserted into the body, the pressing nut is matched with the first thread portion of the body in a threaded mode, the pressing nut is provided with an abutting portion in butt joint with the other end of the sealing ring, the sealing element is connected with the position between the second thread portion of the body and the limiting boss of the body in a sleeved mode, the nut is in threaded fit with the second thread portion of the body, and the sealing ring is a thermoplastic elastomer. According to the metal cable fixing head, sealing is achieved through the sealing ring made of a thermoplastic elastomer material, the sealing ring made of the material is easy to fix and install and can perform a sealing function, and waterproof performance of an existing metal cable fixing head is effectively improved.
Description
Technical field
The present invention relates to cable technology field, more particularly, relate to a kind of metallic cable gland.
Background technology
Metallic cable gland is a kind of electrical cnnector; in the time that cable will enter casing (housing) and is connected with the components and parts of the inside; metallic cable gland is for being fixed together cable and casing, plays dustproof, moistureproof, waterproof and protects cable.
Current metallic cable gland is by the tubulose of the built-in fitting of the water proof ring of locknut, nitrile rubber material, nylon material, metal material and have externally threaded main body, seal and nut and form, wherein, one end of main body has the first threaded portion, the other end has the second threaded portion, and all parts is in turn connected to form a complete metallic cable gland.Particularly, while using existing this metallic cable gland to be fixed cable and casing, first, water proof ring is contacted with built-in fitting, insert in main body from first one end, threaded portion of main body together, the built-in fitting effect is here to be convenient to water proof ring install, then, prop up water proof ring with locknut, and be screwed in the first threaded portion of main body, under the effect at locknut packing position, water proof ring is compacted, then, seal is fixed on to second one end, threaded portion of main body, the second threaded portion of main body is inserted in the installing hole of casing, finally, by nut screwing clamping on the second threaded portion of main body, so just box body wall is fixed between nut and seal.When needing installing cables, cable, successively through nut, seal, main body, built-in fitting, water proof ring and locknut, is tightened to locknut.
But, inventor finds after deliberation, water proof ring is between built-in fitting and locknut, nothing sealing between built-in fitting and main body, and coordinating the effect that does not at all have sealing between the built-in fitting of nylon material and metal master, such metallic cable gland can only play the effect of attached cable and casing, but due to not sealing, cause the water capacity easily to enter casing, do not have effect of effective waterproof.
In addition, inventor also finds, has ladder because water proof ring coordinates inwall place with main body, and cable is easily obstructed while entering water proof ring again through main body, and cable easily ejects displacement by water proof ring, even completely ejects and comes off, and causing installing wastes time and energy.
In addition, inventor also finds, existing metallic cable gland is with pad as seal, but pad easily deforms while being subject to tightening extruding, and the pad after distortion cannot play the effect of waterproof.
Summary of the invention
In view of this, the invention provides the effectively metallic cable gland of waterproof of a kind of good seal.
To achieve these goals, the existing scheme proposing is as follows:
A kind of metallic cable gland, comprises locknut, sealing ring, main body, seal and nut in a tubular form;
One end of described main body has the first threaded portion, and the other end has the second threaded portion, between described the first threaded portion and described the second threaded portion, has positive stop end platform;
One end of described sealing ring is plugged in the inside of described main body, the first threaded portion threaded engagement of described locknut and described main body, and on described locknut, have and the pressure section of the other end butt of described sealing ring;
Described seal is socketed between the second threaded portion of described main body and the positive stop end platform of described main body, the second threaded portion threaded engagement of described nut and described main body;
Described sealing ring is thermoplastic elastomer (TPE).
Above-mentioned metallic cable gland, preferably, the outer wall of described sealing ring is provided with clamping double wedge, and the inwall of described main body offers the clamping groove coordinating with described clamping double wedge.
Above-mentioned metallic cable gland, preferably, described clamping double wedge extending axially along described sealing ring.
Above-mentioned metallic cable gland, preferably, described clamping double wedge is multiple, and is uniformly distributed along described sealing ring circumferencial direction.
Above-mentioned metallic cable gland, preferably, described sealing ring is less than the external diameter away from one end of described the first threaded portion near the external diameter of one end of described the first threaded portion.
Above-mentioned metallic cable gland, preferably, described sealing ring is less than the internal diameter away from one end of described the first threaded portion near the internal diameter of one end of described the first threaded portion.
Above-mentioned metallic cable gland, preferably, described seal is O type circle.
Above-mentioned metallic cable gland, preferably, has groove on the end face of the positive stop end platform of described main body, and described O type circle is embedded in described groove.
Above-mentioned metallic cable gland, preferably, the rubbing surface of the spanner position of described locknut offers groove.
Above-mentioned metallic cable gland, preferably, the spanner position of described locknut is hexagon, and the groove number on every limit is two.
Can find out from above-mentioned technical scheme; metallic cable gland disclosed by the invention; use the sealing ring of thermoplastic elastic material to realize sealing; the sealing ring of this material is easily fixed installation but also can play the effect of sealing not only; sealing ring one side and locknut butt; insert on the other hand body interior; realize the duplicate protection that sealing ring two ends can waterproof; make between sealing ring and locknut, between sealing ring and main body and have good sealing between sealing ring and cable, effectively improved the water resistance of existing metallic cable gland.
In addition, metallic cable gland disclosed by the invention, the double wedge on sealing ring and the groove fit of main body inner wall, sealing ring is fixed in main body, there will not be the phenomenon that water proof ring is ejected to displacement when cable penetrates, easy for installation.
In addition, metallic cable gland disclosed by the invention, with O type circle, as seal, it is little a lot of that O type circle is compared pad volume, saved product cost.And O type circle is nested on main body positive stop end platform, when tighten the second threaded portion of nut and main body, O type circle can compress in groove, can not leak because of distortion, has reached the effect of good waterproof, has further improved the water resistance of metallic cable gland.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front view of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 2 is the cutaway view of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 3 is the cutaway view of the main body of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 4 is the vertical view of the main body of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 5 is the front view of the sealing ring of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 6 is the upward view of the sealing ring of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 7 is the front view of the O type circle of the disclosed a kind of metallic cable gland of the embodiment of the present invention;
Fig. 8 is the front view of the locknut of the disclosed a kind of metallic cable gland of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, metallic cable gland provided by the invention comprises locknut 1, sealing ring 2, main body 3, seal 4 and nut 5.As shown in Figure 3 and Figure 4, main body 3 be shaped as tubulose, and main body 3 one end have the first spire 31, main body 3 other ends have the second spire 32, between the first spire and the second spire, also have positive stop end platform 33, generally the material of main body 3 is metal, certainly also can select other materials, such as nylon etc., as long as can reach identical technique effect.One end of described sealing ring 2 is plugged in the inside of described main body 3, the first threaded portion 31 threaded engagement of locknut 1 and main body 3, and on described locknut 1, there is the pressure section with the other end butt of described sealing ring 2, described seal 4 is socketed between second threaded portion 32 and the positive stop end platform 33 of described main body of described main body 3, the second threaded portion 32 threaded engagement of described nut 5 and described main body 3; Described sealing ring 2 is thermoplastic elastomer (TPE).
Thermoplastic elastomer (TPE) refers to and shows at normal temperatures caoutchouc elasticity, macromolecular material that at high temperature can plasticizing forming, its product had both possessed the high resiliency of traditional cross-linking vulcanized rubber, ageing-resistant, the every excellent properties of oil resistance, possess again simultaneously common plastics processing side more, the wide feature of processing mode.In the present embodiment; the sealing ring that uses thermoplastic elastic material is easily fixed installation but also can play the effect of sealing not only; sealing ring one side and locknut butt; insert on the other hand body interior; do not need to utilize built-in fitting to fix water proof ring as in prior art; realize the duplicate protection that sealing ring two ends can waterproof; make between sealing ring and locknut, between sealing ring and main body and have good sealing between sealing ring and cable, effectively improved the water resistance of existing metallic cable gland.
The installation of metallic cable gland provided by the present invention and the fixation procedure to cable and prior art are basic identical, particularly, first, sealing ring 2 one end are inserted in main body 3 from 31 one end, the first threaded portion of main body, then, prop up sealing ring 2 with locknut 1, and be screwed in the first threaded portion 31 of main body 3, under the effect at locknut 1 packing position, sealing ring 2 is compacted, then, seal 4 is fixed on to 32 one end, the second threaded portion of main body 3, the second threaded portion 32 of main body 3 is inserted in the installing hole of casing, finally, nut 5 is tightened on the second threaded portion 32 of main body 3, so just box body wall is fixed between nut 5 and seal 4.When needing installing cables, cable is passed to nut 5, seal 4, main body 3, sealing ring 2 and locknut 1 successively, tighten locknut 1, the order that cable passes can be also locknut 1, sealing ring 2, main body 3, seal 4 and nut 5, certainly can also install according to other order, as long as can reach identical technique effect.
Wherein, for sealing ring 2 can be closely cooperated with main body 3, shown in Fig. 3-Fig. 6, the outer wall of described sealing ring 2 is provided with clamping double wedge 21, the inwall of described main body 3 offers the clamping groove 34 coordinating with described clamping double wedge 21, described clamping double wedge 21 extends axially along described sealing ring 2, and described clamping double wedge 21 is multiple, and is uniformly distributed along described sealing ring 2 circumferencial directions.Such structure, in the time that sealing ring 2 is contained in body interior, can also play the effect of spline, that is to say that sealing ring 2 is directly fixed on main body 3 inside, in installation process, there will not be displacement phenomenon, more can as in prior art, not occur the phenomenon that cable ejects sealing ring 2, when locknut 1 is tightened, also can not make sealing ring 2 gyrate, in structure, stationarity is stronger.
Wherein, in order to make better clamping cables of sealing ring 2 two ends, as shown in Figure 5, the irregular tubulose of sealing ring 2 shape in the present embodiment, described sealing ring 2 is less than the external diameter away from one end 23 of described the first threaded portion 31 near the external diameter of one end 22 of described the first threaded portion 31, and described sealing ring 2 is also less than the internal diameter away from one end 23 of described the first threaded portion 31 near the internal diameter of one end 22 of described the first threaded portion 31.Like this, when locknut 1 press seal circle 2, sealing ring 2 is subject to the pressure away from locknut 1 direction towards main body 3; sealing ring 2 inserts the Ye Huixiang center, that one end of main body and shrinks; thereby compression cable, can clamp the two ends of sealing ring 2, reach the duplicate protection that two ends can waterproof.
In addition, in order to improve the sealing effectiveness of seal, as shown in Figure 3 and Figure 7, in the present embodiment, replace original pad with O type circle, and on the end face of the positive stop end platform 33 of main body 3, offered a circle groove 35, described O type circle is embedded in described groove, when nut screwing clamping, O type circle can, to the interior compression of groove 35, can not leak because of distortion, reach the effect of good waterproof, further improved the water resistance of metallic cable gland.Because O type circle is little more a lot of than the volume of pad, makes seal with O type circle and saved compared to existing technology part producing cost simultaneously.
In addition, in order to prevent locknut 1 landing in the time tightening, as shown in Figure 8, the rubbing surface of the spanner position of described locknut 1 offers groove 11, and the spanner position of described locknut is hexagon, and the groove number on every limit is two.
Also it should be noted that, the screw thread in the present embodiment on all parts, all according to general international standard manufacture, meets various standard threads and supports the use, and has avoided in prior art because of design defect and screw thread is nonstandard causes the problem that product cannot extensive use.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a metallic cable gland, is characterized in that, comprises locknut, sealing ring, main body, seal and nut in a tubular form;
One end of described main body has the first threaded portion, and the other end has the second threaded portion, between described the first threaded portion and described the second threaded portion, has positive stop end platform;
One end of described sealing ring is plugged in the inside of described main body, the first threaded portion threaded engagement of described locknut and described main body, and on described locknut, have and the pressure section of the other end butt of described sealing ring;
Described seal is socketed between the second threaded portion of described main body and the positive stop end platform of described main body, the second threaded portion threaded engagement of described nut and described main body;
Described sealing ring is thermoplastic elastomer (TPE).
2. metallic cable gland according to claim 1, is characterized in that, the outer wall of described sealing ring is provided with clamping double wedge, and the inwall of described main body offers the clamping groove coordinating with described clamping double wedge.
3. metallic cable gland according to claim 2, is characterized in that, described clamping double wedge extending axially along described sealing ring.
4. metallic cable gland according to claim 3, is characterized in that, described clamping double wedge is multiple, and is uniformly distributed along described sealing ring circumferencial direction.
5. metallic cable gland according to claim 1, is characterized in that, described sealing ring is less than the external diameter away from one end of described the first threaded portion near the external diameter of one end of described the first threaded portion.
6. metallic cable gland according to claim 1, is characterized in that, described sealing ring is less than the internal diameter away from one end of described the first threaded portion near the internal diameter of one end of described the first threaded portion.
7. metallic cable gland according to claim 1, is characterized in that, described seal is O type circle.
8. metallic cable gland according to claim 7, is characterized in that, on the end face of the positive stop end platform of described main body, has groove, and described O type circle is embedded in described groove.
9. metallic cable gland according to claim 1, is characterized in that, the rubbing surface of the spanner position of described locknut offers groove.
10. metallic cable gland according to claim 9, is characterized in that, the spanner position of described locknut is hexagon, and the groove number on every limit is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223515.8A CN103986113A (en) | 2014-05-23 | 2014-05-23 | Metal cable fixing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223515.8A CN103986113A (en) | 2014-05-23 | 2014-05-23 | Metal cable fixing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103986113A true CN103986113A (en) | 2014-08-13 |
Family
ID=51277984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223515.8A Pending CN103986113A (en) | 2014-05-23 | 2014-05-23 | Metal cable fixing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103986113A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264004A (en) * | 1999-02-18 | 2000-08-23 | 安东-胡梅尔管理有限公司 | Jointing of joint body with rotatable connecting piece |
| CN2426647Y (en) * | 2000-05-30 | 2001-04-11 | 全冠企业有限公司 | Cable fixing device |
| CN200953454Y (en) * | 2006-09-27 | 2007-09-26 | 上海文依塑料制品有限公司 | Electromagnetic compatible shield cable waterproof clamping joint |
| CN201750123U (en) * | 2010-09-07 | 2011-02-16 | 郑祥高 | Metal cable waterproof connector |
| CN201774216U (en) * | 2010-07-22 | 2011-03-23 | 全冠企业有限公司 | Waterproof fixing head capable of packing both cable and wave tube |
| CN202111433U (en) * | 2011-06-30 | 2012-01-11 | 杭州倍仕得电气有限公司 | Cable fixing head |
| CN102439798A (en) * | 2009-05-18 | 2012-05-02 | 诺德液压股份公司 | Damp proof electrical device and a method of producing the same |
| CN203398733U (en) * | 2013-05-17 | 2014-01-15 | 郑祥吉 | Metal and silica gel waterproof joint |
| CN203445586U (en) * | 2013-08-28 | 2014-02-19 | 上海蓝科电气有限公司 | Waterproof cable joint with cable protection device |
| CN203445587U (en) * | 2013-09-03 | 2014-02-19 | 上海蓝科电气有限公司 | Waterproof joint used for prefabricated cable |
| CN203859483U (en) * | 2014-05-23 | 2014-10-01 | 倍仕得电气（杭州）有限公司 | Metal cable gland |
-
2014
- 2014-05-23 CN CN201410223515.8A patent/CN103986113A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264004A (en) * | 1999-02-18 | 2000-08-23 | 安东-胡梅尔管理有限公司 | Jointing of joint body with rotatable connecting piece |
| CN2426647Y (en) * | 2000-05-30 | 2001-04-11 | 全冠企业有限公司 | Cable fixing device |
| CN200953454Y (en) * | 2006-09-27 | 2007-09-26 | 上海文依塑料制品有限公司 | Electromagnetic compatible shield cable waterproof clamping joint |
| CN102439798A (en) * | 2009-05-18 | 2012-05-02 | 诺德液压股份公司 | Damp proof electrical device and a method of producing the same |
| CN201774216U (en) * | 2010-07-22 | 2011-03-23 | 全冠企业有限公司 | Waterproof fixing head capable of packing both cable and wave tube |
| CN201750123U (en) * | 2010-09-07 | 2011-02-16 | 郑祥高 | Metal cable waterproof connector |
| CN202111433U (en) * | 2011-06-30 | 2012-01-11 | 杭州倍仕得电气有限公司 | Cable fixing head |
| CN203398733U (en) * | 2013-05-17 | 2014-01-15 | 郑祥吉 | Metal and silica gel waterproof joint |
| CN203445586U (en) * | 2013-08-28 | 2014-02-19 | 上海蓝科电气有限公司 | Waterproof cable joint with cable protection device |
| CN203445587U (en) * | 2013-09-03 | 2014-02-19 | 上海蓝科电气有限公司 | Waterproof joint used for prefabricated cable |
| CN203859483U (en) * | 2014-05-23 | 2014-10-01 | 倍仕得电气（杭州）有限公司 | Metal cable gland |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: Hangzhou City, Zhejiang province 311422 Yuhang Economic Development Zone, Tang Mei Road No. 1 Applicant after: Electric Technology (Hangzhou) Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 311100 Yuhang Economic Development Zone, Tang Mei Road No. 1 Applicant before: Times electric (Hangzhou) Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140813 |
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| RJ01 | Rejection of invention patent application after publication |