CN105633701A - Coaxial radio frequency cable run-through sealing part - Google Patents
Coaxial radio frequency cable run-through sealing part Download PDFInfo
- Publication number
- CN105633701A CN105633701A CN201610184624.2A CN201610184624A CN105633701A CN 105633701 A CN105633701 A CN 105633701A CN 201610184624 A CN201610184624 A CN 201610184624A CN 105633701 A CN105633701 A CN 105633701A
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- Prior art keywords
- cable
- section
- sealing
- hole
- packing element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
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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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/085—Cable junctions for coaxial cables or hollow conductors
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides a coaxial radio frequency cable run-through sealing part. The sealing part comprises a circular adhesive pouring cylinder, a cable fixing board, an isolation assembly and cables, wherein more than two cable fixing holes for fixing and sealing cables are formed in the cable fixing board; the cable runs through the cable fixing holes and the adhesive pouring cylinder to enter a sealed container; the outer sheath on one section, in the middle of the adhesive pouring cylinder, of the corresponding cable is peeled off to form an adhesive permeating section; the exterior of the adhesive permeating section is surrounded by the isolation assembly; an adhesive inlet hole is formed in the isolation assembly; one end of the adhesive pouring cylinder is connected with the cable fixing board through a second flange; and the adhesive pouring cylinder is full of liquid sealant for sealing and blocking slot leakage among cables and the internal slot leakage of cable external conductors. According to the coaxial radio frequency cable run-through sealing part, the problem existing in sealing multiple cables led out of the sealed container is solved; meanwhile, the cable inner sealing and cable outer sealing are realized; and therefore, the coaxial radio frequency cable run-through sealing part has the advantages of no extra attenuation in signal transmission, simple structure, and reliable sealing performance.
Description
Technical field
The present invention relates to a kind of cable seal structure, more specifically, there is provided a kind of coaxial radio-frequency cable and run through sealing member.
Background technology
In the signals collecting that some encloses container is tested, use multiple/root coaxial radio-frequency cable (abbreviation cable) connecting signal source and signal collecting device, cable, through the sealing of encloses container wall position, namely becomes the key issue that in encloses container experiment, Signal transmissions must solve in advance.
Analyze through the cable state of encloses container, it is possible to find its leakage formed has usually: 1. exterior slots between cable and cable leaks; 2. the cable outer conductor structured material therein gap formed by using flexible wire braiding is leaked; 3. self gap of cable inner conductor structured material being made up of multicore wire is leaked. Wherein interior conductor gap leakage is usually more small, and cable termination welding High-frequency plug, and interior conductor and cable core gap are closed by scolding tin substantially; Cable outer conductor inside configuration gap is leaked and exterior slots leakage between cable, and sealing and cable outer gland sealing requirement in the cable of consequent encloses container leading-in cable, the sealing adaptor device having sealing function and adapting with cable specification is set usually on encloses container wall, cable inside and outside container is divided into two sections, and two sections of cable terminations, High-frequency plug is installed respectively, sealing and the Signal transmissions connection of outer cable in container is realized by sealing adaptor. Its cable seal transition apparatus designs complexity usually, switching cost height; And outer cable is divided into two sections in encloses container, destroy the homogeneity of cable original structure, when transmitting high-frequency signal, common have the phenomenon (if publication number is 103066467A " a kind of many concentric cable sealing break-through tightness system ") forming reflection wave at sealing adaptor place; Simultaneously sealing adaptor device transfer multiple/root cable time, its outer conductor is often for sharing outer conductor (if publication number is 203983661U " a kind of real core radio frequency coaxial-cable transition apparatus "), this type of sealed structure is transmitting in strong signal and weak signal situation simultaneously, often causes transmission signal mutually to disturb. In high frequency weak signal is transmitted, the reflection wave of signal and interference all can seriously affect collection and the recognition of transmission signal.
Summary of the invention
For solving the sealing problem that experiment encloses container cable is drawn, avoid Signal transmissions in the mutual interference of sealing place owing to transferring between the reflection that causes and cable simultaneously, a kind of cable penetration sealing member of design, make it to meet the low reflection of encloses container Signal transmissions, anti-interference, interior sealing and outer gland sealing requirement that cable is drawn can be realized again.
A kind of coaxial radio-frequency cable runs through sealing member, comprises circular filling packing element, cable retaining plate, barrier assembly and cable. Described cable retaining plate is provided with two or more and enters encloses container for cable fixed orifices fixing, hermetically sealed cable, cable penetration cable fixed orifices and filling packing element; Except one section of stripping of described cable in the middle of filling packing element, sheath forms the strike-through section of cable, and strike-through section circumscribe is provided with barrier assembly, and barrier assembly is provided with glue feeding opening; One end of described filling packing element is connected with cable retaining plate by the 2nd flange, fill with and packing element fills liquid seal gum, sealing is blocked gap between cable and is leaked, seal gum enters barrier assembly by glue feeding opening, infiltrate in strike-through section and work out, by flexible metal silk screen or other conductive material, the cable outer conductor formed, sealing is blocked cable outer conductor internal interstices and is leaked, it is achieved seal request in cable outer gland sealing and cable.
Cable fixed orifices on described cable penetration cable retaining plate, the mode of connection of cable and cable retaining plate is fixed seal connection, and described cable retaining plate comprises pressing plate, base plate and the cable seal circle between pressing plate and base plate; On described base plate, center ecto-entad is evenly provided with the interior step hole of two or more vertically, and the interior step hole on pressing plate opposed bottom is provided with the outer step hole of two or more; Described outer step hole is clear opening, and outer step hole is protruded pressing plate inner side end and formed cylinder; Described interior step hole is set to ladder hole and is provided with ladder face in interior step hole, and ladder face arranges cable seal circle; Step hole in cylinder insertion on described pressing plate, the end face extruding cable seal circle of cylinder forms the cable fixed orifices with sealing fixed action. Cable penetration cable fixed orifices enters filling packing element.
The end face outside central protuberance of the base plate of described cable retaining plate forms the mounting face of pressing plate, and the external diameter of pressing plate is identical with the external diameter of mounting face, and the interior step hole on base plate is arranged on mounting face and runs through base plate; Mounting face surrounding is uniform is provided with tapped bind hole, tapped bind hole on the mounting face of pressing plate surrounding opposed bottom is uniform to be arranged the first through hole and is connected with the mounting face of base plate by thrust screw, base plate surrounding outside mounting face is also uniform is provided with the 2nd through hole, and the 2nd flange of described filling packing element is tightly connected by the inner side end of joint bolt and base plate;
Described barrier assembly comprises diametrically overlap the first half cover and the 2 half covers along strike-through section; It is cylindrical or oval by the barrier assembly profile after the coincidence relative to the 2 half cover of the first half covers.
Described the first half cover inwalls are divided into one section of wide aperture section and two sections of small-bore sections being positioned at section two ends, wide aperture vertically; Wide aperture segment length is slightly larger than the length of strike-through section, and internal diameter is slightly larger than cable size; The inner wall shape of small-bore section and the profile of coaxial radio-frequency cable radial direction adapt.
The wide aperture section of described the first half covers is provided with more than one glue feeding opening; Described glue feeding opening is the clear opening of kidney-shaped, glue feeding opening along wide aperture section axis and just to the axle center of wide aperture section, length is identical with wide aperture segment length.
The small-bore section of described the first half covers is provided with heavy hole and/or screw thread through hole on two side superimposed faces of relative 2 half cover, described heavy hole and/or screw thread through hole are by the circular outer wall vertical through setting to described coincidence face of the first half covers, and described the first half covers are overlapped with the 2 half by insulation screw and are interconnected;
The structure of described 2 half cover is identical with the first half covers, and the 2 half small-bore section overlapped is provided with the heavy hole put with the first half and/or the corresponding screw thread through hole of screw thread through hole and/or heavy hole; Described 2 half cover is enclosed within cable strike-through section after relative coincidence with the first half, wide aperture section is enclosed in around cable strike-through section and forms the appearance glue chamber that radial section is annular, and small-bore section is snapped onto on the oversheath of cable at strike-through section two ends mutually by insulation screw.
The described the first half covers screw that is not limited only to the mode of connection of the 2 half cover to insulate is connected, other the first half covers with the 2 half cover arranges corresponding pin respectively and/or pin-and-hole connects, card is detained and the mode such as card groove connection all can be applicable to the connection that barrier assembly two halves overlap.
Being provided with multiple connection hole and a road sealing groove on the seal face of the first flange of described filling packing element, the built-in flange seal circle of sealing groove is connected with encloses container; 2nd flange is identical with the first flange arrangement, and the 2nd flange is connected with cable retaining plate.
The seal gum of described liquid state injects from the port of the 2nd flange filling with packing element, and liquid level is concordant with the port of the 2nd flange filling with packing element, described barrier assembly below 20mm below liquid level.
The seal gum of the liquid state in described filling packing element divides more than twice injection, and the liquid level of the liquid sealant injected first is in the middle part of barrier assembly or in the above 10mm in middle part.
Described barrier assembly and the insulation screw connecting the first half covers and the 2 half cover are made up of polyethylene (but being not limited to polyethylene) material;
Described cable seal circle is elastic silica gel sealing-ring, the thick end internal diameter shrink-fit in the interior step hole on the internal diameter of cable seal circle and described outside diameter of cable shrink-fit, external diameter and described base plate;
Described filling packing element, base plate and pressing plate use stainless steel (but being not limited to stainless steel) material to make.
Described filling packing element connects with encloses container flange, and filling with packing element and retaining plate, base plate is that screw is connected (but being not limited to screw connection) with the mode of connection of pressing plate.
The invention has the beneficial effects as follows:
1. packing element is filled with in design and installation one, introduces in encloses container for many coaxial radio-frequency cables, achieves sealing two kinds of requirements in cable outer gland sealing and cable simultaneously.
2. tightness system adopts cable penetration sealing means, does not destroy the duration of outer cable in encloses container, definitely ensure that the original signal transmission performance of cable.
3. tightness system is installed and used flexibly: the cable seal circle that on a. cable retaining plate, fixing seal cable uses is elastic silica gel sealing-ring, and the external diameter of cable retaining plate pressing plate is identical with the mounting face external diameter of base plate central protuberance, cable is before cable retaining plate, cable seal snare can be hung on the cylinder in the outer step hole of pressing plate, therefore before the strike-through section of cable sheath formation cable except stripping, it is possible to axially freely adjust. B. the external diameter of the pressing plate of cable retaining plate is identical with the mounting face external diameter of base plate central protuberance, being connected and installed of pressing plate and base plate is thus made to be connected and installed that these two kinds of mounting process processes are independent and its order can exchange and be independent of each other with base plate with filling with packing element, and thus making cable length in encloses container determine with length in uncertain two kinds of situations, cable penetration sealing member all can be used for the cable penetration sealing of encloses container. C., the barrier assembly of described circle is provided with the glue feeding opening of two or more kidney-shaped, thus barrier assembly all can not affect liquid sealant and enters by glue feeding opening and to hold glue chamber hermetically sealed cable outer conductor (barrier assembly also can not affect liquid sealant in the change filling with axial location in packing element and enter and hold glue chamber filling with any orientation radial in packing element, but liquid sealant need to be increased and inject number of times), facilitate the installation of barrier assembly.
4. apparatus structure is simple, cost of manufacture is low: the material of main part of cable seal is seal gum, other is as filled with packing element, base plate, pressing plate etc. except can using stainless material, it is possible to use other material machining such as duroplasts makes, it is even possible that adopt forging type batch production.
Accompanying drawing explanation
The coaxial radio-frequency cable that Fig. 1 is the present invention runs through seal configuration schematic diagram;
Fig. 2 a is the front view of cable retaining plate in the present invention;
Fig. 2 b is the A-A direction view of Fig. 2 a in the present invention;
Fig. 2 c is the structural representation of the pressing plate of Fig. 2 b in the present invention;
Fig. 2 d is the structural representation of the base plate of Fig. 2 b in the present invention;
Fig. 3 a is the barrier assembly schematic diagram in the present invention;
Fig. 3 b is the B-B direction view of Fig. 3 a in the present invention;
Fig. 3 c is the vertical view of 3a in the present invention;
Fig. 3 d is the C-C direction view of Fig. 3 c in the present invention;
Fig. 3 e is the vertical view of the first half covers in 3a in the present invention;
Fig. 4 is the filling packing element structural representation in the present invention;
Fig. 5 is the construction of cable schematic diagram in the present invention;
Fig. 6 is the sealing adaptor bend pipe of the embodiment 1 in the present invention for encloses container sidewall;
Fig. 7 is that the embodiment 1 in the present invention is for a kind of structure mode above encloses container;
In figure, 1. encloses containers 2. are filled with packing element 3. barrier assembly 4. cable retaining plate 5. joint bolt 6. flange seal circle 7. coaxial radio-frequency cable 8. seal gum 21. first flange 22. the 2nd flange 221. sealing groove 222. and are connected step hole 322. mounting face 323. the 2nd through hole 324. tapped bind hole 3101. cylinder 3201. ladder face 40. in the through hole 320. of cable fixed orifices 31. pressing plate 32. base plate 33. cable seal circle 34. thrust screw 310. outer step hole 314. first, hole 30. and hold glue chamber 41. the first half cover 42. the 2 half cover 43. insulation screw 411. glue feeding openings 412. and sink section 415. small-bore, screw thread through hole 414. wide aperture, hole 413. section 70. strike-through section 711. oversheath 712. outer conductor.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described
Embodiment 1
As shown in Fig. 1 ~ 7, embodiments provide and a kind of it is applied to the cable penetration sealing member that 8 SYV-50-7-1 coaxial radio-frequency cables introduce encloses container 1 simultaneously, draw the low reflection of encloses container, anti-interference seal request in order to realize coaxial radio-frequency cable.
Analyze after cable 7 runs through encloses container 1 and running through the leakage form of position, the internal interstices mainly contained in outer conductor 712 structure of the leakage of the exterior slots between cable and cable leaks, for ensureing " the low reflection of cable extraction encloses container, anti-interference sealing ", exterior slots between cable is leaked, seal washer extruding sealing can be taked, fill with the multiple modes such as glue backup seal, and the internal interstices in cable outer conductor is leaked, the sealing medium of extruding sealing is used to be difficult to enter outer conductor structure gap inner, and destruction or replacement cables outer conductor may cause producing in cable high-frequency signal transmission extra reflection to introduce sealing medium wherein, therefore cable outer conductor structure gap is leaked, adopt and fill with glue backup seal, make between liquid seal gum 8 embedding cable while exterior slots, the outer conductor 712 infiltrating the cable being made up of flexible metal silk screen or the establishment of other conductive material is inner, it is a kind of feasible selection mode that outer conductor internal structure gap is blocked in sealing.
In sum, when wired signal transmission specification of quality is higher, can locally shell out the oversheath 711 of cable 7, form the strike-through section 70 of cable, strike-through section after sheath over multi-cable stripping is concentrated in together sealant pouring and sealing simultaneously, it is achieved the interior sealing of encloses container cable penetration and outer gland sealing requirement.
And multi-cable shell over sealant pouring and sealing together after sheath 711, the outer conductor 712 of cable may contact with each other, thus cause the mutual interference in Signal transmissions, design the barrier assembly 4 of the cable being made up of insulating material for this reason, the outer conductor of the strike-through section 70 of multi-cable is spaced from each other, and the strike-through section making cable determines sealant pouring and sealing in same filling packing element.
Based on above analysis, a kind of coaxial radio-frequency cable of design runs through sealing member, comprising circular filling packing element 2, cable retaining plate 3, barrier assembly 4 and cable 7, described filling packing element 2 two ends are respectively arranged with the first flange 21 and the 2nd flange 22 connects encloses container 1 and cable retaining plate 3; Being provided with two or more on described cable retaining plate 3 for cable fixed orifices 30 fixing, hermetically sealed cable, cable 7 runs through cable fixed orifices 30 and filling packing element 2 enters encloses container 1; The oversheath 711 that the one section stripping of described cable 7 in the middle of filling packing element 2 removes cable forms strike-through section 70, and strike-through section 70 circumscribe is provided with barrier assembly 4, and barrier assembly 4 is provided with glue feeding opening 411; Described filling packing element 2 fills liquid seal gum 8, sealing is blocked exterior slots between cable and is leaked, part seal gum 8 enters barrier assembly by glue feeding opening 411, infiltrating in strike-through section 70 outer conductor 712 of the cable being made up of wire cloth or the establishment of other conductive material, outer conductor 712 internal interstices that cable is blocked in sealing leaks. Thus the sealing blocking action that outer conductor 712 internal interstices simultaneously achieving exterior slots leakage and cable between cable 7 leaks.
In the present embodiment, after first complete cable 7 can being passed the cable fixed orifices 30 on cable retaining plate 3, the radio frequency junctor of cabtyre cable termination again, cable 7 is fixing seal mode with the mode of connection of cable retaining plate 3, and its concrete structure is: the cable seal circle 33 that described cable retaining plate 3 comprises pressing plate 31, base plate 32 and is made up of elastic silica gel, on described base plate 32, center ecto-entad is evenly provided with the interior step hole 320 of two or more vertically, and the interior step hole 320 on pressing plate 31 opposed bottom 32 is provided with the outer step hole 310 of two or more, described outer step hole 310 is clear opening, and outer step hole 310 is protruded pressing plate 31 inner side end and formed cylinder 3101, described interior step hole 320 is ladder hole, is provided with ladder face 3201, ladder face 3201 arranges cable seal circle 33 in interior step hole 320, cylinder 3101 on described pressing plate 31 inserts interior step hole 320, and the end face extruding cable seal circle 33 of cylinder 3101 forms the cable fixed orifices 30 with sealing fixed action. cable 7 runs through cable fixed orifices 30 and enters filling packing element 2, described cable seal circle 33 extrudes by cylinder 3101 end face on outer step hole 310 and the ladder face 3201 on interior step hole 320, radial swelling makes cable and the (setting in interior step hole and outer step hole of cable retaining plate fixing seal, can make in being connected and fixed of base plate and pressing plate, restriction cable seal circle, in interior step hole, strengthens the sealing effect of its liquid towards seal gum). the end face outside central protuberance of described base plate 32 forms the mounting face 322 of pressing plate 31, and the interior step hole 320 on described base plate 32 is arranged on mounting face 322 and runs through base plate, and the external diameter of pressing plate 31 is identical with the external diameter of mounting face 322, mounting face 322 surrounding is uniform is provided with tapped bind hole 324, and the tapped bind hole on the mounting face 322 of pressing plate 31 surrounding opposed bottom 32 is uniform is provided with the first through hole 314, and pressing plate 31 is connected with the mounting face 322 of base plate 32 by thrust screw 34, base plate 32 surrounding of described cable retaining plate 3 outside mounting face 322 is also uniform is provided with the 2nd through hole 323, and the 2nd flange 22 filling with packing element 2 is tightly connected by the inner side end of joint bolt 5 with base plate 32, in concrete enforcement, the outer step through hole on pressing plate can be utilized, first cable seal snare 33 is hung on the cylinder 3101 in the outer step hole of pressing plate, the outer step through hole 310 of cable 7 on pressing plate 31 and the interior step hole 320 on base plate 32, and the cable length stretching into encloses container is freely adjusted by the axis of cable, after all cables all adjust and determine, cable seal circle 33 is taken off from the cylinder 3101 in outer step hole 310 and hitches on cable 7 and push away in the interior step hole 320 of base plate 32, by thrust screw 34 connecting bottom board 32 and pressing plate 31, fixing seal cable 7 and cable retaining plate 3.
In the present embodiment, described cable penetration sealing member for running through sealing 8 coaxial radio-frequency cable SYV-50-7-1 on encloses container, and cable 7 is wherein piece; Being provided with 8 cable fixed orificess on described cable retaining plate, cable fixed orifices 30 is one of them. Each cable fixed orifices is made up of mutually corresponding outer step hole and interior step hole and 1 cable seal circle, therefore pressing plate is provided with 8 outer step holes, being provided with 8 interior step holes on base plate, outer step hole 310, cable seal circle 33 and interior step hole 320 are one of them respectively; Arranging 8 the first through holes on pressing plate to be connected by 8 thrust screws with 8 tapped bind holes on base plate, the first through hole 314, tapped bind hole 324, thrust screw 34 are one of them respectively. Base plate 32 surrounding outside described mounting face 322 is also provided with 8 the 2nd through holes and is connected with the 2nd flange 22 filling with packing element, and the 2nd through hole 323 is one of them.
After described cable 7 and cable retaining plate 3 fixing seal, stretch into the state filling with packing element 2 according to cable, except oversheath 711, expose the strike-through section 70 that outer conductor 712 forms cable, barrier assembly 4 is installed outside strike-through section filling with one section of cable stripping in the middle part of packing element 2. the profile of described barrier assembly 4 is cylindrical, and barrier assembly 4 comprises diametrically overlapping and the first half cover the 41 and the 2 half covers 42 that structure is identical along strike-through section 70, the inwall of described the first half covers and/or the 2 half cover is divided into one section of wide aperture section 414 and two sections of small-bore sections 415 being positioned at wide aperture section 414 two ends vertically, and the length of wide aperture section 414 is slightly larger than the length of strike-through section 70, and internal diameter is slightly larger than the diameter of cable 7, the wide aperture section of the first half cover the 41 and the 2 half covers 42 is respectively arranged with more than one glue feeding opening 411, described glue feeding opening 411 is kidney-shaped clear opening, glue feeding opening 411 along wide aperture section 414 axis and just to the axle center of wide aperture section 414, length is identical with the length of wide aperture section, the interior wall construction of small-bore section 415 and the profile of cable 7 radial direction adapt, the small-bore section of the first half covers and/or the 2 half cover is provided with heavy hole 412 and/or screw thread through hole 413 on coincidence face of second half cover relatively, described heavy hole 412 and/or screw thread through hole (413) are by outer wall vertical through setting to described coincidence face of the first half covers and/or the circle of the 2 half cover, the small-bore section of the first half covers and the 2 half cover is snapped onto on the oversheath 711 of strike-through section 70 liang of end cables mutually by insulation screw 43 (concrete to be implemented, the mode of connection of two halves cover is not limited only to insulation screw and connects, other arranges corresponding pin and/or pin-and-hole connection respectively on the coincidence face of the first half covers with the 2 half cover aperture small in ends section, the modes such as card button and/or card groove connection all can be applicable to the connection of barrier assembly two halves cover), after described the first half covers and the 2 half relative coincidence of cover, section inwall formation radial section in wide aperture is annular appearance glue chamber 40. in the present invention, the length of glue feeding opening 411 is identical with the length of wide aperture section 414, and the cavity external diameter holding glue chamber 40 is greater than the diameter of oversheath 711 of cable, therefore enter the liquid sealant 8 holding glue chamber 40 to hold glue chamber from glue feeding opening 411 by being easy to enter and there is enough fluid-spaces in chamber, it is possible in the cable outer conductor of sealing obstruction cable strike-through section, existing internal interstices leaks completely.
In the present embodiment, for 8 coaxial radio-frequency cables, designing and producing the cable barrier assembly that 8 covers are identical, barrier assembly 4 is wherein a set of. Often overlap in the small-bore section at two ends of the first half covers of barrier assembly, it is provided with 2 the heavy holes and 2 screw thread through holes that are connected with the 2 half cover, sink hole 412 and screw thread through hole 413 is one of them respectively. Being provided with 2 glue feeding openings in the wide aperture section of described the first half covers, glue feeding opening 411 is one of them.
After barrier assembly installation outside the strike-through section of all cables, cable is through filling with packing element 2, the seal face of the 2nd flange 22 of filling packing element is provided with a road sealing groove 221 and 8 connection holes, connecting hole 222 is one of them, arranging flange seal circle 6 in sealing groove 221 and be connected with cable retaining plate 3 by 8 joint bolts, joint bolt 5 is one of them. the seal gum 8 of twice injection liquid state is divided from the port of the first flange 21 filling with packing element 2, the timed interval of twice injection is 5 ~ 10 minutes, the liquid level of the liquid sealant that first time injects is in the above 10mm in the middle part of barrier assembly 4 or middle part, its objective is that the liquid sealant in order to make first time inject can not close the glue-feeder of barrier assembly completely, to avoid, the appearance glue chamber of barrier assembly is enclosed air, affect cable outer conductor sealing (in concrete enforcement, described barrier assembly may not near the radial plane filling with packing element axis in the position filled with in packing element, now need to increase note glue number of times). owing to the profile of barrier assembly 4 is cylindrical, and its two halves put and are provided with two glue feeding openings, therefore the two halves of described barrier assembly are enclosed within any angle installation filling with same radial plane in packing element, its installation results all can not hinder liquid seal gum 8 to enter the appearance glue chamber 40 hermetically sealed cable outer conductor of barrier assembly by glue feeding opening 411, facilitates the installation of barrier assembly.
Described filling packing element 2 injects liquid seal gum 8 and after solidification, a kind of coaxial radio-frequency cable of the present invention runs through sealing member and namely completes, and the residue end of cable 7 is sent into encloses container and connecting test signal source and equipment. Described first flange is identical with the 2nd flange arrangement, arranges flange seal circle in its sealing groove, and cable penetration sealing member is connected with the corresponding port of encloses container by the first flange screw.
Above technological process is a kind of application process of the embodiment of the present invention 1, is also namely that cable length is determined in encloses container, and cable penetration sealing member can complete when the non-connecting test signal source of cable and equipment, and its technological process is:
1. cable is successively through pressing plate, cable seal circle, base plate, flange seal circle, filling packing element (cable seal snare is hung on the cylinder of the outer step through hole of pressing plate);
2. placing base plate according to the cable position determined, cable seal circle is inserted in the interior step through-hole of base plate, connects pressing plate and base plate formation cable retaining plate attached cable;
3. it is about to the medium position strip cable oversheath filling with packing element is installed at cable, barrier assembly is installed;
4. cable retaining plate is tightly connected by flange seal circle with the 2nd flange filling with packing element;
5. liquid sealant injects from the first flange filling with packing element, fills with adhesive curing;
6. cable is through another flange seal circle, and encloses container is sent into and connecting test signal source and equipment in cable termination;
7. the first flange filling with packing element is tightly connected by flange seal circle and screw and encloses container corresponding port, completes.
And in actual applications, another kind of situation that often there will be is: in encloses container, cable length is uncertain, need first to be connected with testing source by cable, then cable penetration sealing member is set at container cable inlet port, now can utilize the constitutional features " mounting face of the end face outside central protuberance formation pressing plate of the base plate of cable retaining plate of the embodiment of the present invention 1, the external diameter of pressing plate is identical with the external diameter of (base plate) mounting face ... mounting face surrounding is uniform is provided with tapped bind hole (being connected with pressing plate) ... base plate surrounding outside mounting face is uniform the 2nd through hole being provided with and fill with packing element and be connected also ". due to " external diameter of pressing plate is identical with the external diameter of mounting face ", and the connection vibrational power flow of base plate and filling packing element is in " the base plate surrounding outside mounting face ", that is, pressing plate and base plate be connected and installed with base plate with fill with being connected and installed these two kinds of mounting process order and can exchanging and be independent of each other of packing element, therefore the mounting process process that can change cable penetration sealing member is to be applicable to the 2nd kind of cable penetration seal request, and its technological process is:
1. cable is successively through pressing plate, cable seal circle, base plate, flange seal circle, filling packing element, flange seal circle (cable seal snare is hung on the cylinder of the outer step through hole of pressing plate);
2. encloses container is sent into and connecting test signal source and equipment in cable termination;
3. encloses container port cable will install fill with packing element medium position strip cable oversheath, install barrier assembly;
4. the first flange filling with packing element is tightly connected by flange seal circle and screw and encloses container corresponding port;
5. pass the two flange position of base plate to filling packing element, by flange seal circle and joint bolt connecting bottom board and the 2nd flange;
6. cable seal circle is inserted in the interior step through-hole of base plate, connects pressing plate and base plate formation cable retaining plate attached cable;
7. liquid sealant injects from the cable inlet port inside encloses container, fills with adhesive curing, completes.
Owing to the external diameter of pressing plate is identical with the mounting face external diameter on base plate, do not affect base plate and the installation of the 2nd flange face, and base plate is fixed, be conducive to cable seal circle accurately to push away into base plate outer step through hole. But it is inject filling with after packing element and encloses container are connected and installed due to liquid sealant, use when the cable inlet port being only applicable to encloses container is positioned at below container. When cable inlet port is positioned at container side, it is possible to sealing adaptor bend pipe (such as Fig. 6) is set at container port and applies the embodiment of the present invention 1; Can by the base plate enlarged outside diameter of the cable retaining plate of the present invention when cable inlet port is positioned at above container, increase trim and sealing groove, cable retaining plate is oppositely connected with encloses container port, fill with packing element only have the 2nd flange being connected with base plate, liquid sealant never tongued and grooved flanges port inject formation cable seal run through part (concrete structure is such as Fig. 7).
The first half covers in the embodiment of the present invention 1, the 2 half cover and insulation screw are made up of insulation polyethylene material; Filling with packing element, base plate and pressing plate use stainless material to make.
Embodiment 2
The embodiment of the present invention provides one to be applied to many SYV-50-5 coaxial radio-frequency cables, SYV-50-7-1 coaxial radio-frequency cable, SYV-50-9-1 coaxial radio-frequency cable introduces the cable penetration sealing member of encloses container simultaneously, its structure is substantially the same manner as Example 1, difference is: corresponding SYV-50-5, SYV-50-7-1, SYV-50-9 tri-kinds of coaxial radio-frequency cables, design cable retaining plate forms the outer step hole of cable fixed orifices, cable seal circle, interior step hole internal diameter is three kinds of different diameters, the wide aperture section of each barrier assembly of described cable, the inside/outside diameter size of small-bore section also external diameter with three kinds of cables adapt.
Claims (8)
1. coaxial radio-frequency cable runs through a sealing member, comprises circular filling packing element (2), cable retaining plate (3), barrier assembly (4) and cable (7); It is characterized in that: being provided with multiple for cable fixed orifices (30) fixing, hermetically sealed cable (7) on described cable retaining plate (3), cable (7) runs through cable fixed orifices (30) and filling packing element (2) enters encloses container (1); The strike-through section (70) of the middle one section of stripping of packing element (2) except oversheath (711) formation cable filled with by described cable (7), and strike-through section (70) circumscribe installs barrier assembly (4), and barrier assembly is provided with glue feeding opening (411); One end of described filling packing element (2) is provided with the 2nd flange (22) and is connected with cable retaining plate (3), fills with and fills liquid seal gum (8) in packing element (2), and outer conductor (712) internal interstices that gap leakage and cable between cable are blocked in sealing leaks.
2. coaxial radio-frequency cable according to claim 1 runs through sealing member, it is characterised in that: the cable retaining plate (3) of described circle comprises the coaxial pressing plate (31), base plate (32) and the cable seal circle (33) therebetween that arrange; On base plate (32), center ecto-entad is evenly provided with multiple interior step hole (320) vertically, and interior step hole (320) is ladder hole, arranges cable seal circle (33) in interior step hole (320); On pressing plate, (31) are provided with the outer step hole (310) corresponding with the interior step hole (320) on base plate (32), and outer step hole (310) are clear opening, and outer step hole (310) are protruded pressing plate (31) inner side end and formed cylinder (3101); In cylinder (3101) insertion on described pressing plate (31), step hole (320) extruding cable seal circle (33) forms the cable fixed orifices (30) with sealing fixed action.
3. coaxial radio-frequency cable according to claim 2 runs through sealing member, it is characterized in that: the end face outside central protuberance of described base plate (32) forms the mounting face (322) of pressing plate (31), the interior step hole (320) on base plate (32) is arranged on mounting face (322) and goes up and run through base plate (32); The external diameter of described pressing plate (31) is identical with the external diameter of mounting face (322), the uniform tapped bind hole (324) that is provided with of mounting face (322) surrounding is connected with pressing plate (31), at outer base plate (32) surrounding of mounting face (322) also uniform the 2nd through hole (323) being provided with and fill with packing element (2) and be connected.
4. coaxial radio-frequency cable according to claim 1 runs through sealing member, it is characterised in that: the first half covers (41) and the 2 half that the barrier assembly (4) of described circle comprises that the strike-through section (70) along cable (7) diametrically overlaps overlap (42); Described the first half cover (41) inwalls are divided into one section of wide aperture section (414) and two sections of small-bore sections (415) being positioned at section two ends, wide aperture vertically; Wide aperture section (414) length is slightly larger than the length of the strike-through section (70) of cable, and internal diameter is slightly larger than the diameter of cable (7); The axial both sides of small-bore section (415) are overlapped with the 2 half to be provided with on the coincidence face of (42) and are overlapped heavy hole (413) and/or the screw thread through hole (412) that (42) are connected with the 2 half, and the profile of the interior wall construction of small-bore section (415) and cable (7) radial direction adapts.
5. coaxial radio-frequency cable according to claim 1 and 4 runs through sealing member, it is characterised in that: the wide aperture section (414) of described the first half covers (41) is provided with glue feeding opening (411); Described glue feeding opening (411) is kidney-shaped clear opening, glue feeding opening (411) along wide aperture section (414) axis and just to the axle center of wide aperture section, length is identical with wide aperture segment length.
6. according to claim 4, coaxial radio-frequency cable described in 5 runs through sealing member, it is characterized in that: the structure of described 2 half cover (42) is with the first half to overlap (41) identical, the first half covers (41) and the 2 half cover (42) snap onto on the oversheath (711) of strike-through section (70) two end cable (7) by insulation screw (43) mutually, and it is annular appearance glue chamber (40) that section corresponding cable strike-through section in wide aperture forms radial section.
7. coaxial radio-frequency cable according to claim 1 runs through sealing member, it is characterized in that: seal gum (8) gradation of the liquid state in described filling packing element (2) is injected, the 3/4 of the glue feeding opening length of the liquid level of the seal gum injected first more than barrier assembly (4) middle part or middle part.
8. coaxial radio-frequency cable according to claim 2 runs through sealing member, it is characterised in that: described cable seal circle (33) is elastic silica gel sealing-ring, and described the first half covers (41) and the 2 half overlap (42) and are made up of insulating material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610184624.2A CN105633701B (en) | 2016-03-29 | 2016-03-29 | A kind of coaxial radio frequency cable runs through seal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610184624.2A CN105633701B (en) | 2016-03-29 | 2016-03-29 | A kind of coaxial radio frequency cable runs through seal |
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| CN105633701A true CN105633701A (en) | 2016-06-01 |
| CN105633701B CN105633701B (en) | 2017-12-15 |
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| CN201610184624.2A Expired - Fee Related CN105633701B (en) | 2016-03-29 | 2016-03-29 | A kind of coaxial radio frequency cable runs through seal |
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| CN106328838A (en) * | 2016-09-27 | 2017-01-11 | 中国电子科技集团公司第十八研究所 | Conducting wire sealing bent joint and preparation method thereof |
| CN111900557A (en) * | 2020-06-10 | 2020-11-06 | 段抒颖 | Stranded wire sealing integrated structure joint for electric wire |
| CN112039012A (en) * | 2020-09-07 | 2020-12-04 | 德清博发智能科技有限公司 | Mechanical structure cable duct sealing device |
| CN113113890A (en) * | 2021-02-05 | 2021-07-13 | 向琳 | Pressure injection type plugging core cover of communication cable pipeline |
| CN113488936A (en) * | 2021-06-01 | 2021-10-08 | 贵州电网有限责任公司 | Multifunctional combined wall load |
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| CN113113890A (en) * | 2021-02-05 | 2021-07-13 | 向琳 | Pressure injection type plugging core cover of communication cable pipeline |
| CN113488936A (en) * | 2021-06-01 | 2021-10-08 | 贵州电网有限责任公司 | Multifunctional combined wall load |
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|---|---|
| CN105633701B (en) | 2017-12-15 |
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