CN110145645A - A kind of cable via seal structure - Google Patents
A kind of cable via seal structure Download PDFInfo
- Publication number
- CN110145645A CN110145645A CN201910260972.7A CN201910260972A CN110145645A CN 110145645 A CN110145645 A CN 110145645A CN 201910260972 A CN201910260972 A CN 201910260972A CN 110145645 A CN110145645 A CN 110145645A
- Authority
- CN
- China
- Prior art keywords
- swivel nut
- sealing ring
- box body
- unthreaded hole
- tapered sleeve
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/08—Sealing by means of axial screws compressing a ring or sleeve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The present invention provides a kind of cable via seal structures, including box body, at least one external member for cable via seal is installed on box body, the external member includes the swivel nut that through-hole is equipped at axis, end swivel nut, washer, sealing ring, cover for seat and tapered sleeve, and the bottom end of the swivel nut is equipped with the external screw thread for connecting box body internal screw thread mounting hole；Upper end is equipped with the internal screw thread for connecting pin swivel nut, and middle part and lower part are equipped with the different unthreaded hole of internal diameter, and the internal diameter of middle part unthreaded hole is greater than the internal diameter of lower part unthreaded hole, successively installs tapered sleeve, cover for seat, sealing ring, washer, end swivel nut from bottom to top in the unthreaded hole of middle part.The present invention has the function of mechanical seal to single cable, sealed reliable, and anti-pull performance is good；According to number of cables and line footpath size, cable via seal structure external member can multiple groups, more specifications arrangement, meet outer lead requirement in multi-thread cable box body；And external is all-metal structure, has electromagnetic protection function, Electro Magnetic Compatibility is good, easy to form, high reliablity, easy to maintain.
Description
Technical field
The invention belongs to electronic Control for Diesel Engine technical fields, more particularly, to a kind of cable via seal structure.
Background technique
As diesel engine digital technology develops, type and number of sensors is continuously increased, and number of cables is more, signal relation
Complexity makes troubles to electric-control system maintenance, therefore, is provided with terminal box on a diesel engine, arranges convenient for signal monitoring and failure
Look into, existing terminal box is unsatisfactory for seal request in cable entrance, diesel engine cleaning or long-term use process in, often occur by
Signal transmission abnormality situation is caused in leakproofness deficiency.
Summary of the invention
In view of this, the present invention is directed to propose a kind of cable via seal structure, to improve the leakproofness of terminal box, system
Easy to maintain meets the stability requirement of signal transmission.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of cable via seal structure, including box body install at least one on the box body for cable via seal
External member, the external member includes the swivel nut that through-hole is equipped at axis, end swivel nut, washer, sealing ring, cover for seat and tapered sleeve, described
The bottom end of swivel nut is equipped with the external screw thread for connecting box body internal screw thread mounting hole；Upper end is equipped with the interior spiral shell for connecting pin swivel nut
Line, middle part and lower part are equipped with the different unthreaded hole of internal diameter, and the internal diameter of middle part unthreaded hole is greater than the internal diameter of lower part unthreaded hole, and middle part unthreaded hole is interior certainly
Tapered sleeve, cover for seat, sealing ring, washer, end swivel nut are successively installed on down；Wherein, the upper outside of tapered sleeve is tapered, cover for seat it is interior
Side is in the taper cooperated with the outside of tapered sleeve.
Further, swivel nut, end swivel nut, washer, cover for seat, tapered sleeve are metal material, and sealing ring uses flexible rubber material
Matter.
Further, across the swivel nut internal screw thread of the short transverse of sealing ring and middle part unthreaded hole line of demarcation, sealing ring cross-section are in square
Shape.
Compared with the existing technology, present invention has the advantage that
(1) present invention has the function of mechanical seal to single cable, sealed reliable, and anti-pull performance is good；According to cable number
Amount and line footpath size, cable via seal structure external member can multiple groups, more specifications arrangement, meet outer lead in multi-thread cable box body and want
It asks；
(2) it is all-metal structure that the present invention is external, is had concurrently with electromagnetic protection function, and Electro Magnetic Compatibility is good, and structure is simple,
Easy to form, high reliablity is easy to maintain.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that external member of the invention assembles clamped condition structural schematic diagram；
A, b are respectively that more external members of the invention assemble the front view and top view finished in Fig. 2；
Fig. 3 is that external member of the invention assembles free state structural schematic diagram.
Description of symbols:
1- box body, 2- swivel nut, the end 3- swivel nut, 4- washer, 5- sealing ring, 6- cover for seat, 7- tapered sleeve, 8- cable.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of cable via seal structure of the present invention, as shown in Figure 1,3, by box body 1, swivel nut 2, end swivel nut 3, washer 4, close
The composition such as seal 5, cover for seat 6, tapered sleeve 7, as shown in figure 3, wherein swivel nut 2, end swivel nut 3, washer 4, sealing ring 5, cover for seat 6, tapered sleeve 7
Axis at be equipped with through-hole, constitute the external member of independent completion, each external member can draw a round cable.
The swivel nut 2, end swivel nut 3, washer 4, cover for seat 6, tapered sleeve 7 are metal material, usual swivel nut 2, end swivel nut 3, pad
Circle 4 uses steel, and cover for seat 6, tapered sleeve 7 use red copper.
The cylindrical structure of monnolithic case of the swivel nut 2, one end outside are equipped with the external screw thread for connecting box body 1, should
External screw thread root is equipped with positioning table；The other end is equipped with the internal screw thread for connecting pin swivel nut 3, and the middle part in the swivel nut 2 is under
Portion is unthreaded hole, and step is equipped between two unthreaded holes, is sequentially arranged with tapered sleeve 7, cover for seat 6, sealing ring 5, pad in unthreaded hole from bottom to top
Circle 4, end swivel nut 3；
The sealing ring 5 uses flexible rubber material, and ductility is good, dense structure, has air water leakproofness, height side
To across 2 internal screw thread of swivel nut and unthreaded hole line of demarcation, 5 rectangular in cross-section of sealing ring, free height is relatively large, and internal diameter is slightly larger than cable
8 outer diameters, outer diameter are slightly less than the internal diameter of swivel nut 2.
The lower part of the tapered sleeve 7 is circular flange, and upper outside is tapered；Cover for seat 6 is similar with 7 structure of tapered sleeve, only interior
Side is tapered, and cover for seat 6 is equal with 7 conical surface cone angle of tapered sleeve, and larger gap is equipped between two conical surfaces, and the cover for seat 6 and tapered sleeve 7 are usual
Using red copper material.The cover for seat 6, tapered sleeve 7 play automatic centering and radial position is adaptive.
The washer 4 is annular in the form of sheets, and internal diameter is greater than 8 outer diameter of cable, plays a supportive role to sealing ring 5, and at end, swivel nut 2 revolves
Turn in rundown process, protects sealing ring 5.
As shown in Fig. 2, the via seal structure external member of multiple cables can be carried out on box body 1 according to demand is led in/out
Installation, introduce cable after, the installation process of each external member is as follows:
The bottom of swivel nut 2 is used with box body 1 and is threadedly coupled,；After installation, external member is in assembling clamped condition, holds swivel nut 3
In tight condition；The extruding of sealing ring 5 receiving end swivel nut 3, washer 4 and tapered sleeve 7, cover for seat 6 and swivel nut 2, high shrinkage are
L1, outer diameter are limited to swivel nut 2, and 5 outer diameter of sealing ring is close to swivel nut 2, and 5 internal diameter of sealing ring is shunk, and internal diameter is close to cable 8, and banding arrives
On the outer wall of cable 8, to realize cable 8 in the sealing of the two sides of sealing ring 5.
Cable via seal structure is as shown in figure 3, cable via seal structure external member is in assembling free state, end swivel nut
3 are in non-tight condition, and 5 short transverse of sealing ring is not under compression, and height L0 is in free state, L0 > L1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of cable via seal structure, including box body (1), it is characterised in that: install at least one use on the box body (1)
In the external member of cable via seal, the external member include the swivel nut (2) that through-hole is equipped at axis, end swivel nut (3), washer (4),
Sealing ring (5), cover for seat (6) and tapered sleeve (7),
The bottom end of the swivel nut (2) is equipped with the external screw thread for connecting box body (1) internal screw thread mounting hole；Upper end is equipped with for connecting
The internal screw thread of swivel nut (3) is held, middle part and lower part are equipped with the different unthreaded hole of internal diameter, and the internal diameter of middle part unthreaded hole is greater than the interior of lower part unthreaded hole
Diameter successively installs tapered sleeve (7), cover for seat (6), sealing ring (5), washer (4), end swivel nut (3) in the unthreaded hole of middle part from bottom to top；Its
In, the upper outside of tapered sleeve (7) is tapered, and the inside of cover for seat (6) is in the taper cooperated with the outside of tapered sleeve (7).
2. a kind of cable via seal structure according to claim 1, it is characterised in that: swivel nut (2), end swivel nut (3), pad
Circle (4), cover for seat (6), tapered sleeve (7) are metal material, and sealing ring (5) uses flexible rubber material.
3. a kind of cable via seal structure according to claim 1, it is characterised in that: the short transverse of sealing ring (5)
Across swivel nut (2) internal screw thread and middle part unthreaded hole line of demarcation, sealing ring (5) rectangular in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260972.7A CN110145645A (en) | 2019-04-02 | 2019-04-02 | A kind of cable via seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260972.7A CN110145645A (en) | 2019-04-02 | 2019-04-02 | A kind of cable via seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110145645A true CN110145645A (en) | 2019-08-20 |
Family
ID=67588444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910260972.7A Pending CN110145645A (en) | 2019-04-02 | 2019-04-02 | A kind of cable via seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864535A (en) * | 2021-10-12 | 2021-12-31 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2493556A (en) * | 1947-12-20 | 1950-01-03 | Standard Oil Dev Co | Supporting and sealing member |
| CN2487459Y (en) * | 2001-06-05 | 2002-04-24 | 重庆钢铁(集团)有限责任公司 | Roll interchanging device for rolling mill |
| CN1576618A (en) * | 2003-07-23 | 2005-02-09 | 椿爱默生株式会社 | Fastening mechanism for shaft and rotary body |
| CN201628022U (en) * | 2010-03-05 | 2010-11-10 | 南通港闸船舶制造有限公司 | Waterproof structure for cable entrance apparatus of dredger |
| CN102374343A (en) * | 2010-08-19 | 2012-03-14 | 河南省电力公司新乡供电公司 | Anti-explosion joint |
| CN202176828U (en) * | 2011-08-05 | 2012-03-28 | 重庆银河试验仪器有限公司 | Seal threading device for low pressure test box |
-
2019
- 2019-04-02 CN CN201910260972.7A patent/CN110145645A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2493556A (en) * | 1947-12-20 | 1950-01-03 | Standard Oil Dev Co | Supporting and sealing member |
| CN2487459Y (en) * | 2001-06-05 | 2002-04-24 | 重庆钢铁(集团)有限责任公司 | Roll interchanging device for rolling mill |
| CN1576618A (en) * | 2003-07-23 | 2005-02-09 | 椿爱默生株式会社 | Fastening mechanism for shaft and rotary body |
| CN201628022U (en) * | 2010-03-05 | 2010-11-10 | 南通港闸船舶制造有限公司 | Waterproof structure for cable entrance apparatus of dredger |
| CN102374343A (en) * | 2010-08-19 | 2012-03-14 | 河南省电力公司新乡供电公司 | Anti-explosion joint |
| CN202176828U (en) * | 2011-08-05 | 2012-03-28 | 重庆银河试验仪器有限公司 | Seal threading device for low pressure test box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864535A (en) * | 2021-10-12 | 2021-12-31 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
| CN113864535B (en) * | 2021-10-12 | 2023-01-24 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |