CN105305327A - Low pressure cable sealing device and manufacturing method thereof - Google Patents
Low pressure cable sealing device and manufacturing method thereof Download PDFInfo
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- CN105305327A CN105305327A CN201510878511.8A CN201510878511A CN105305327A CN 105305327 A CN105305327 A CN 105305327A CN 201510878511 A CN201510878511 A CN 201510878511A CN 105305327 A CN105305327 A CN 105305327A
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- sealing
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- seal groove
- cable
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Abstract
The invention discloses a low pressure cable sealing device and a manufacturing method thereof. The low pressure cable sealing device comprises a sealing cover body and a cable, wherein the sealing cover body is provided with an inner chamber which penetrates the sealing cover body along the left-right direction; the cable penetrates and is arranged in the inner chamber of the sealing cover body; sealant is filled in an annular space between the cable and the inner chamber wall of the sealing cover body; at least one end of the left and right ends of the sealing cover body is provided with a sealing coordination part which axially abuts against an interface of a low pressure case; and the sealing device axially abuts against the low pressure case, and is sealingly coordinated with the interface of the low pressure case through the sealing coordination part of the sealing cover body. The low pressure cable sealing device and the manufacturing method thereof can realize information interaction between a test piece and a detection device during the low pressure test process. And the manufacturing method thereof is simple in operation, being high in sealing effect, and being reliable in connection.
Description
Technical field
The present invention relates to a kind of low pressure cable sealing device and manufacture method thereof.
Background technology
Low pressure test chamber, when doing gas pressure test, often needs to the energising of test chamber inside or connects checkout equipment, at this moment just needs to solve the sealing problem connecing cable in test chamber; Cable sealing device solves the sealing problem crossing line from outside (atmospheric pressure environment) to test chamber inside (lower than atmospheric pressure) exactly.Mostly traditional method is, by the medium-tight such as plasticine or plank, can not reach good sealing effectiveness.
Summary of the invention
The object of this invention is to provide a kind of low pressure cable sealing device manufacture method, to solve the technical problem of existing encapsulating method to cable seal weak effect.The present invention simultaneously also provides a kind of low pressure cable sealing device manufactured by the method.
In order to realize above object, in the present invention, the technical scheme of low pressure cable sealing device manufacture method is as follows: low pressure cable sealing device manufacture method, comprises the following steps, 1) by cable along sealing body axially across; 2) baffle plate of the inner chamber being used for shutoff sealing body is set in one end of sealing body; 3) to the inner chamber of sealing body, pour into fluid sealant from the other end of sealing body, make fluid sealant be full of space between the sealing inwall of body and cable periphery wall; 4) after fluid sealant solidifies, removing baffle plate.
Described sealing body inwall is equipped with block seal groove, and described block seal groove is positioned at the middle part of sealing shroud intracoelomic cavity, and the internal diameter of described block seal groove is greater than the internal diameter of the internal chamber wall being positioned at its both sides.
At least one end in the two ends of described sealing body is provided with the fitted seal groove for installing sealing ring, the internal diameter of described fitted seal groove is greater than the internal diameter of the internal chamber wall near fitted seal groove, described fitted seal groove forms shoulder hole with the internal chamber wall near fitted seal groove, in above-mentioned steps 3) in, in described shoulder hole, do not pour into fluid sealant.
The two ends of described sealing body are equipped with fitted seal groove.
Described sealing body is Flange-shaped Parts, and the two ends of described sealing body are all equipped with for sealing fit portion of docking axial with the interface of low pressure casing around its axis, and described fitted seal groove is arranged in sealing fit portion.
The relative side of sealing fit portion described in two is provided with the cooperation conical surface, the interface of low pressure casing and sealing body sealing fit portion dock after fastening by clip, the described cooperation conical surface is for coordinating with clip inwall is spacing.
Low pressure cable sealing device of the present invention adopts following technical scheme: sealing device comprises sealing body, cable, sealing body has the inner chamber run through in left-right direction, described cable is arranged in the inner chamber of sealing body, be filled with fluid sealant in annular space between described cable and sealing shroud intracoelomic cavity wall, at least one end at two ends, described sealing body left and right is provided with for sealing fit portion of docking axial with the interface of low pressure casing.
Described sealing body inwall is equipped with block seal groove, and described block seal groove is positioned at the middle part of sealing shroud intracoelomic cavity, and the internal diameter of described block seal groove is greater than the internal diameter of the internal chamber wall being positioned at its both sides.
The two ends of described sealing body are equipped with sealing fit portion, sealing fit portion is provided with the fitted seal groove for installing sealing ring, the internal diameter of described fitted seal groove is greater than the internal diameter of the internal chamber wall near fitted seal groove, and described fitted seal groove forms shoulder hole with the internal chamber wall near fitted seal groove.
The relative side of sealing fit portion described in two is provided with the cooperation conical surface, the interface of low pressure casing and sealing body sealing fit portion dock after fastening by clip, the described cooperation conical surface is for coordinating with clip inwall is spacing.
Beneficial effect of the present invention: the present invention by pouring into fluid sealant in the space between sealing body and cable, after fluid sealant solidifies, again sealing device is axially docked on low pressure case, utilizes the sealing fit portion of sealing body to coordinate with the sealing joint of low pressure case.Achieve the information interaction between test specimen and checkout equipment in low air pressure test process, ensure that the stable gas pressure of test specimen.And the method is simply easy to operation, good sealing effect, connects reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of low pressure cable sealing device of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of the sealing body in Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is low pressure cable sealing device of the present invention state diagram in use.
Embodiment
The embodiment of low pressure cable sealing device of the present invention: as Figure 1-5, low pressure cable sealing device comprises sealing body 2, cable 1, sealing body 2 is flange, it has the inner chamber (through hole) run through in left-right direction, cable 1 is arranged in the inner chamber of sealing body, the two ends of cable 1, one end is for connecting test specimen, and the other end is for connecting checkout equipment.Fluid sealant 3 is filled with in annular space between cable 1 and sealing body 2 internal chamber wall, sealing body about 2 two ends are provided with for sealing fit portion 21 of docking axial with the interface 5 of low pressure casing, and sealing fit portion 21 protrudes from sealing body body 22 diametrically.The inner chamber of sealing body 2 is divided into five sections from left to right, and middle one section is equipped with block seal groove 25, and middle one section is designated as the 3rd aperture section.On the left of 3rd aperture section is the first aperture section 23, second aperture section 24, right side be the 4th aperture section 26, the 5th aperture section 27.For preventing from deviating from fluid sealant, block seal groove 25 is positioned at the middle part of sealing shroud intracoelomic cavity and the internal diameter of block seal groove is greater than the internal diameter being positioned at the second aperture section of its both sides, the internal chamber wall of the 4th aperture section.
Sealing fit portion 21 is provided with the fitted seal groove for installing sealing ring, fitted seal groove is formed by the first aperture section 23, the internal diameter of fitted seal groove is greater than the internal diameter of the internal chamber wall near fitted seal groove, fitted seal groove forms shoulder hole with the internal chamber wall near fitted seal groove, and the internal diameter near the internal chamber wall of fitted seal groove is also the internal diameter of the second aperture section or the 4th aperture section.
The relative side of two sealing fit portion is provided with and coordinates the conical surface 28, the interface of low pressure casing and sealing body sealing fit portion dock after to pass through clip fastening, the cooperation conical surface 28 is for coordinating with clip inwall is spacing.
Low pressure cable sealing device manufacture method, comprises the following steps, 1) by cable 1 along sealing body 2 axially across; 2) baffle plate of the inner chamber being used for shutoff sealing body is set in one end of sealing body 2; 3) to the inner chamber of sealing body, fluid sealant is poured into from the other end of sealing body 2, fluid sealant is made to be full of space between the sealing inwall of body and cable periphery wall, fluid sealant can not be poured in shoulder hole, mainly can not pour into fluid sealant in the fitted seal groove at two ends, cause sealing ring being installed; 4) after fluid sealant solidifies, removing baffle plate; Fluid sealant adopts silica gel, and silica gel after solidification in 24 hours, then removes baffle plate.In the present embodiment, baffle plate adopts polymethyl methacrylate, utilizes 502 glue polymethyl methacrylate to be fixed on the side of the close checkout equipment of sealing body, prevents fluid sealant from revealing before curing.
After low pressure cable sealing device makes, the side of cable, first through sealing ring, is connected with the product in case after then passing through the interface of low pressure case.The interface of low pressure case is also provided with the seal groove of ladder cellular type, and sealing is after body docks with the interface of low pressure case, and the fitted seal groove of the seal groove and sealing shroud end of body that sealing circle 7 are embedded in interface docks in the space that formed.Radially be convexly equipped with seal convexity in the middle part of sealing ring 7, the part being positioned at the both sides of seal convexity of sealing ring 7 is sealed and matched with the seal groove 6 of interface 5, fitted seal groove respectively.After docking, be stuck on the interface of sealing body and low pressure case by clip, fit sealing body 2 and interface 5, the seal convexity of sealing ring 7 is positioned at clip.One end that clip comprises two hinged the first snap ring 4, second snap ring 10, first snap rings 4 is provided with U-bolt hole, and the second snap ring 10 is hinged with snap close, and snap close comprises lock dog 9 and locking nut 8, and locking nut 8 is wing nut.After first snap ring 4, second snap ring 10 is held tightly, a part for lock dog is positioned at U-bolt hole, then tightens locking nut 8, locks.Sealing ring 7 is extruded with the end face of interface 5 jointly by sealing body 2, ensure that the sealing effectiveness of junction.The test specimen that cable just can connect in checkout equipment and low pressure case carries out exhaustive test.
Have to make clip and better seal fastening effect, be provided with annular groove 11 inside clip, the both sides cell wall of annular groove tilts from inside to outside, forms the conical surface.When clip is installed, the cooperation conical surface 28 in the sealing fit portion of sealing shroud end of body coordinates with the conical surface of the cell wall of clip is spacing.
Present invention achieves the Seal Design to low pressure cable, achieve the communication between test specimen and checkout equipment in low air pressure test process, ensure that the stable gas pressure of test specimen.And the method is simply easy to operation, good sealing effect, connects reliable, quick, and significantly improves the reliability of test.
In the present embodiment, sealing body adopts flange, and sealing fit portion is formed by the ring flange of flange, and two ends are provided with sealing fit portion, is in order to when mounted, and the two ends of flange can be assembled with low pressure case, prevent test cable anisotropy; In other embodiments, cylindricality instead of flange also can be made in the periphery of sealing body, and sealing fit portion also only can be arranged on one end.
In other embodiments, in sealing body, the 3rd larger aperture section of internal diameter also can not be set, but three sector hole footpath sections of centre are arranged to internal diameter endoporus always.Or, also can between left and right every arranging two the 3rd aperture sections.
Claims (10)
1. low pressure cable sealing device manufacture method, is characterized in that: comprise the following steps, 1) by cable along sealing body axially across; 2) baffle plate of the inner chamber being used for shutoff sealing body is set in one end of sealing body; 3) to the inner chamber of sealing body, pour into fluid sealant from the other end of sealing body, make fluid sealant be full of space between the sealing inwall of body and cable periphery wall; 4) after fluid sealant solidifies, removing baffle plate.
2. low pressure cable sealing device manufacture method according to claim 1, it is characterized in that: described sealing body inwall is equipped with block seal groove, described block seal groove is positioned at the middle part of sealing shroud intracoelomic cavity, and the internal diameter of described block seal groove is greater than the internal diameter of the internal chamber wall being positioned at its both sides.
3. low pressure cable sealing device manufacture method according to claim 2, it is characterized in that: at least one end in the two ends of described sealing body is provided with the fitted seal groove for installing sealing ring, the internal diameter of described fitted seal groove is greater than the internal diameter of the internal chamber wall near fitted seal groove, described fitted seal groove forms shoulder hole with the internal chamber wall near fitted seal groove, in above-mentioned steps 3) in, in described shoulder hole, do not pour into fluid sealant.
4. low pressure cable sealing device manufacture method according to claim 3, is characterized in that: the two ends of described sealing body are equipped with fitted seal groove.
5. low pressure cable sealing device manufacture method according to claim 4, it is characterized in that: described sealing body is Flange-shaped Parts, the two ends of described sealing body are all equipped with for sealing fit portion of docking axial with the interface of low pressure casing around its axis, and described fitted seal groove is arranged in sealing fit portion.
6. low pressure cable sealing device manufacture method according to claim 5, it is characterized in that: the relative side of sealing fit portion described in two is provided with the cooperation conical surface, the interface of low pressure casing and sealing body sealing fit portion dock after fastening by clip, the described cooperation conical surface is for coordinating with clip inwall is spacing.
7. use the low pressure cable sealing device of low pressure cable sealing device manufacturer legal system as claimed in claim 1, it is characterized in that: comprise sealing body, cable, sealing body has the inner chamber run through in left-right direction, described cable is arranged in the inner chamber of sealing body, be filled with fluid sealant in annular space between described cable and sealing shroud intracoelomic cavity wall, at least one end at two ends, described sealing body left and right is provided with for sealing fit portion of docking axial with the interface of low pressure casing.
8. low pressure cable sealing device according to claim 7, it is characterized in that: described sealing body inwall is equipped with block seal groove, described block seal groove is positioned at the middle part of sealing shroud intracoelomic cavity, and the internal diameter of described block seal groove is greater than the internal diameter of the internal chamber wall being positioned at its both sides.
9. low pressure cable sealing device according to claim 8, it is characterized in that: the two ends of described sealing body are equipped with sealing fit portion, sealing fit portion is provided with the fitted seal groove for installing sealing ring, the internal diameter of described fitted seal groove is greater than the internal diameter of the internal chamber wall near fitted seal groove, and described fitted seal groove forms shoulder hole with the internal chamber wall near fitted seal groove.
10. low pressure cable sealing device according to claim 9, it is characterized in that: the relative side of sealing fit portion described in two is provided with the cooperation conical surface, the interface of low pressure casing and sealing body sealing fit portion dock after fastening by clip, the described cooperation conical surface is for coordinating with clip inwall is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878511.8A CN105305327B (en) | 2015-12-04 | 2015-12-04 | A kind of low pressure cable sealing device and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878511.8A CN105305327B (en) | 2015-12-04 | 2015-12-04 | A kind of low pressure cable sealing device and its manufacture method |
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| CN105305327A true CN105305327A (en) | 2016-02-03 |
| CN105305327B CN105305327B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510878511.8A Active CN105305327B (en) | 2015-12-04 | 2015-12-04 | A kind of low pressure cable sealing device and its manufacture method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
| CN107910829A (en) * | 2017-11-13 | 2018-04-13 | 中国航空工业集团公司洛阳电光设备研究所 | One kind is detachable to recycle temperature height cable sealing device and assembly method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107187A (en) * | 1986-10-24 | 1988-06-01 | 藤仓电线株式会社 | Method and component for sealing cable joints |
| JPH07245030A (en) * | 1994-03-07 | 1995-09-19 | Sumitomo Wiring Syst Ltd | Grommet |
| CN102754294A (en) * | 2009-12-03 | 2012-10-24 | 泰科电子瑞侃有限公司 | Gel sealing device |
| CN203056532U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
| CN103595006A (en) * | 2013-11-29 | 2014-02-19 | 哈尔滨东方报警设备开发有限公司 | Pouring sealant plug |
| CN203674678U (en) * | 2013-10-29 | 2014-06-25 | 台州凌霄泵业有限公司 | Twin-cable joint sealing structure |
| CN104901259A (en) * | 2015-06-02 | 2015-09-09 | 张维秀 | Cable sealing device and cable sealing method |
-
2015
- 2015-12-04 CN CN201510878511.8A patent/CN105305327B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107187A (en) * | 1986-10-24 | 1988-06-01 | 藤仓电线株式会社 | Method and component for sealing cable joints |
| JPH07245030A (en) * | 1994-03-07 | 1995-09-19 | Sumitomo Wiring Syst Ltd | Grommet |
| CN102754294A (en) * | 2009-12-03 | 2012-10-24 | 泰科电子瑞侃有限公司 | Gel sealing device |
| CN203056532U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
| CN203674678U (en) * | 2013-10-29 | 2014-06-25 | 台州凌霄泵业有限公司 | Twin-cable joint sealing structure |
| CN103595006A (en) * | 2013-11-29 | 2014-02-19 | 哈尔滨东方报警设备开发有限公司 | Pouring sealant plug |
| CN104901259A (en) * | 2015-06-02 | 2015-09-09 | 张维秀 | Cable sealing device and cable sealing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910829A (en) * | 2017-11-13 | 2018-04-13 | 中国航空工业集团公司洛阳电光设备研究所 | One kind is detachable to recycle temperature height cable sealing device and assembly method |
| CN107910829B (en) * | 2017-11-13 | 2020-03-27 | 中国航空工业集团公司洛阳电光设备研究所 | Assembly method of detachable temperature-height cable sealing device capable of being recycled |
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
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| Publication number | Publication date |
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| CN105305327B (en) | 2017-10-27 |
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