CN201897011U - Cable sealing device - Google Patents
Cable sealing device Download PDFInfo
- Publication number
- CN201897011U CN201897011U CN2010206136178U CN201020613617U CN201897011U CN 201897011 U CN201897011 U CN 201897011U CN 2010206136178 U CN2010206136178 U CN 2010206136178U CN 201020613617 U CN201020613617 U CN 201020613617U CN 201897011 U CN201897011 U CN 201897011U
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- CN
- China
- Prior art keywords
- cable
- sleeve pipe
- spring tube
- cutting ferrule
- ferrule portion
- 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.)
- Expired - Fee Related
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a cable sealing device, which comprises a protective sleeve including a casing pipe and an elastic pipe. An elastic part matched with an outlet boss is arranged on the inner wall of the casing pipe, one end of the elastic pipe is connected with the casing pipe, and a nesting portion for nesting a cable is arranged at the other end of the elastic pipe. When the casing pipe is sleeved tightly on the outlet boss to be in interference fit with the same, the elastic deforms elastically under radial compression of the outlet boss to function in sealing, and water can be effectively prevented from entering equipment from the position of the elastic part. The cable sealing device further can comprise a transition head, so that the protective sleeve can be used flexibly for cables of different thickness, and the cable sealing device is flexible and convenient in use and process cost is reduced evidently.
Description
Technical field
The utility model relates to a kind of seal arrangement, relates in particular to a kind of cable seal arrangement that is used for various kinds of equipment.
Background technique
Be installed in outdoor electric equipments such as rack and draw all kinds of cables when connecting power supply or transmission data, have different outlet methods usually, promptly according to concrete needs, cable can be drawn from top, below or the side of equipment by connector.
Because these electric equipments are directly exposed in the outdoor environment, should take the proper functioning of certain seal approach with each components and parts in the assurance equipment, and the import and export of cable often become the weak link of sealing, especially cable is when draw the top of equipment, if connector is not in wire outlet place assembling closely or cable sheath when damaging, in climatic environment such as rain, snow, perhaps moisture is easy to immerse equipment from the import and export of cable under the Chao Shi weather conditions, cause device interior humidity to increase, cause faults such as equipment short circuit or components and parts damage easily.Therefore existingly place outdoor electric equipment need take certain seal approach that the gateway of cable is effectively sealed, thereby improve the sealability of entire equipment, guarantee its normal working state, reduce potential safety hazard.
The model utility content
The main technical problems to be solved in the utility model is that a kind of cable seal arrangement that improves the sealability of cable import and export is provided.
For solving the problems of the technologies described above; the utility model provides a kind of cable seal arrangement; comprise protecting jacket; described protecting jacket comprises sleeve pipe and spring tube; the inwall of described sleeve pipe is provided with and is used for the elastomer seal that matches with the outlet boss of equipment; one end of described spring tube links to each other with described sleeve pipe, and the other end is provided with the cutting ferrule portion that is used to entangle cable.
Preferably, described cutting ferrule portion is provided with along the bearing of trend reducing of described spring tube.
Preferably, described spring tube is undulatory rubber pipe.
Described spring tube is combined closely on the outer wall of described sleeve pipe.
Further, described elastomer seal is combined closely on the inwall of described sleeve pipe, or is connected as a single entity with the inwall of described sleeve pipe.
Preferably, the inwall of described elastomer seal is corrugated.
Further, described sleeve pipe is divided into the sealed end that matches with described outlet boss vertically, and the connecting end that is used to connect described spring tube, and described connecting end is different with the internal diameter or the external diameter of described sealed end.
In a kind of mode of execution, described cable seal arrangement also comprises and is used to be enclosed within the supracutaneous transition head of described cable, and described transition head outer wall is provided with the embedding part that matches with described cutting ferrule portion.
Preferably, described embedding part comprises circular groove, and guides the thinnest end of described cutting ferrule portion to embed first conical surface in the described circular groove.
Further, described circular groove is the anticreep face that blocks the thinnest end of described cutting ferrule portion near the wall of described first conical surface, is second conical surface away from the wall of described first conical surface.
Preferably, the minimum outer diameter of described circular groove is greater than the internal diameter of thin end of described cutting ferrule portion.
The beneficial effects of the utility model are: cable seal arrangement of the present utility model utilizes elastomer seal that the gateway of cable is sealed, when sleeve pipe tightly is enclosed within on the outlet boss when forming interference fit, elastomer seal is subjected to the lateral extrusion effect of outlet boss and elastic strain takes place, play seal action, can effectively avoid moisture from this access arrangement inside, position.
The utility model cable seal arrangement also can comprise the transition head that is used with protecting jacket, makes protecting jacket can be used in the different cable of thickness flexibly, and is not only flexible and convenient to use, and significantly reduced the technology cost.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model a cable seal arrangement assembling schematic representation;
Fig. 2 is the enlarged diagram of A position among Fig. 1;
Fig. 3 is the enlarged diagram of B position among Fig. 1;
Fig. 4 is a kind of embodiment's a spring tube structural representation;
Fig. 5 is a kind of embodiment's a transition head structural representation;
Fig. 6 is a kind of embodiment's a sleeve structure schematic representation;
Fig. 7 is another kind of embodiment's a sleeve structure schematic representation.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail below by embodiment.
Embodiment one:
Please refer to Fig. 1 to Fig. 4, the cable seal arrangement of present embodiment comprises a protecting jacket, and this protecting jacket comprises sleeve pipe 12 and spring tube 13, and sleeve pipe 12 is made by metal or plastics, and material has certain rigidity; Elastomer seal 11 is combined closely on the inwall of sleeve pipe 12, and elastomer seal 11 and spring tube 13 can all be made by rubber, spring tube 13 also in a tubular form, elastic telescopic vertically, and can be with cover cable 20 bending deflections therein.
Usually the wire inlet-outlet of electric equipment all is provided with columned outlet boss 30, and cable 20 passes from these outlet boss 30 centers.Elastomer seal 11 matches with the outlet boss 30 of equipment, for example elastomer seal 11 can be by glue bond on the inwall of sleeve pipe 12, perhaps directly overlay the inwall of sleeve pipe 12 when integrally formed, and directly be wrapped on the inwall of sleeve pipe 12 at the heat effect of mould with sleeve pipe 12.The internal diameter of elastomer seal 11 is less than the external diameter of the outlet boss 30 of equipment, when sleeve pipe 12 tightly is enclosed within on the outlet boss 30 when forming interference fit, elastomer seal 11 is subjected to the lateral extrusion effect of outlet boss 30 and elastic strain takes place, decrement can reach between 20%～50%, thereby play seal action, can effectively avoid moisture from this access arrangement inside, position.Elastomer seal 11 in a tubular form, its inwall can smoothly be provided with, and perhaps is arranged to corrugated, the frictional force between the latter and the outlet boss 30 is less, is convenient to install.
The assembly process of the cable seal arrangement of present embodiment is:
At first cutting ferrule portion one end from spring tube 13 inserts cable 20, exposes sleeve pipe 12 up to the end of cable 20, and makes cutting ferrule portion tightly be enclosed within the correct position of cable 20; Then sleeve pipe 12 is enclosed within on the outlet boss 30 of equipment and with its formation drive fit, simultaneously, the bellows of spring tube 13 makes spring tube 13 two ends axially bear a certain size the pressure to two ends at axial compression.Sleeve pipe 12 can directly cooperate with outlet boss 30, also can pass wire and cable connector or water joint and cooperate with outlet boss 30.
The cable seal arrangement of present embodiment utilizes the elastic deformability of the thinnest end 131 of elastomer seal 11 and cutting ferrule portion that the joint between the outlet boss 30 of cable 20 and equipment is sealed effectively, sealing effect is good, components and parts short circuit or the damage that can effectively avoid moisture to cause from this access arrangement inside, position, and be convenient to install, can be applicable to various sizes, various types of outdoor equipment flexibly.
Embodiment two:
Please refer to Fig. 1; Fig. 4 and Fig. 5; the cable seal arrangement of present embodiment comprises above-described protecting jacket; and the transition head 14 that matches with protecting jacket; transition head 14 can be enclosed within on the epidermis of thinner cable 20; its outer wall is provided with the embedding part that matches with the cutting ferrule portion of spring tube 30; present embodiment is applicable under the thinner operative scenario of cable 20; when the outlet boss 30 of equipment adapts with protecting jacket; and the external diameter of cable 20 is less and can't form drive fit with the cutting ferrule portion of spring tube 13 time; suitable transition head 14 is enclosed within on the cable 20 can to select specification for use; and make the outer wall of transition head 14 and the cutting ferrule portion of spring tube 13 form drive fit, it is cheap to make full use of transition head 14; the advantage of changing realizes the sealing of cable 20 outlets easily.
In the present embodiment, transition head 14 can be made by rubber-like rubber, has the through hole 145 that passes for cable 20, and the diameter of through hole 145 can be less than the external diameter of cable 20, the elastic stretching amount of transition head 14 is reached about 20%, so that be close on the epidermis of cable 20.
The embedding part of transition head 14 outer walls comprises second conical surface 141, circular groove 142, cylndrical surface 143, first conical surface 144 and anticreep face 146, and wherein, circular groove 142 is positioned at transition head 14 middle parts, and bottom land is one section cylndrical surface.The thinnest end 131 of the cutting ferrule portion of spring tube 13 can embed in the circular groove in 142 and between the transition head 14 and form drive fit, preferably, the minimum outer diameter of circular groove 142 is slightly larger than the minimum diameter of the thinnest end 131 of cutting ferrule portion, for example the reducing of spring tube 13 the inwall 131 at thin place can form interference fit with the bottom land of circular groove 142.First conical surface 144 is positioned at a side of circular groove 142, this first conical surface 144 make transition head 14 along the embedding direction of cutting ferrule portion by thin chap, play the guiding role, be used to guide the cutting ferrule portion on the spring tube 13 to move axially, the thinnest end 131 is embedded in the circular groove 142 in these first conical surface, 144 upper edges.One section cylndrical surface 143 also can be set between first conical surface 144 and the circular groove 142, and the thinnest end 131 of being convenient to cutting ferrule portion embeds in the circular groove 142 smoothly.Circular groove 142 has two walls, wherein, is anticreep face 146 near the wall of first conical surface 144, is second conical surface 141 away from the wall of first conical surface 144.The diameter that anticreep face 146 is actually cylndrical surface 143 diminishes suddenly and the end face of the shaft shoulder that forms, the thinnest end 131 that can block cutting ferrule portion limits it to direction motion of first conical surface 144 and deviate from transition head 14, and anticreep face 146 can be end face vertical or that tilt; The shape of second conical surface 141 and first conical surface 144 are similar; the slope of second conical surface 141 is identical with the conical surface slope of spring tube 13 chokes; can closely cooperate with it; can increase the radially junction plane of pressurized, avoid protecting jacket to be pulled through head again in the process that stretches to first conical surface, 141 directions.
The assembly process of the cable seal arrangement of present embodiment is:
At first cutting ferrule portion one end from spring tube 13 inserts cable 20, expose sleeve pipe 12 up to the end of cable 20, then with the first conical surface 144 one ends insertion through hole 145 of cable 20 from transition head 14, make transition head 14 tightly be enclosed within the correct position of cable 20, again protecting jacket is embedded in the circular grooves 142 to the transition head 14 1 sides the thinnest end 131 that makes cutting ferrule portion of pulling back; Then sleeve pipe 12 is enclosed within on the outlet boss 30 of equipment and with its formation drive fit; And allow the bellows of spring tube 13 at axial compression, make spring tube 13 two ends axially bear a certain size pressure to two ends.Sleeve pipe 12 can directly cooperate with outlet boss 30, also can cooperate with outlet boss 30 by wire and cable connector.
After the cable seal arrangement of present embodiment increases transition head 14; the protecting jacket compatibility of same specification is applicable on the different cable of thickness 20; only need to replace according to the external diameter of cable 20 and use different transition heads 14 get final product, therefore use is more flexible, and has saved cost of material.
Embodiment three:
The spring tube 13 of cable seal arrangement (especially undulatory rubber pipe) adopts the mould once-through usually, needs the special mould that is equipped with certain specification, and processing cost is higher, and the moulding process of sleeve pipe 12 is simpler relatively, and processing cost is lower.Therefore at the spring tube 13 of same specification, the outlet boss 30 of different equipment, sleeve pipe 12 can adopt multiple structure flexibly so that assembling.
Please refer to Fig. 6 and Fig. 7, sleeve pipe 12 is divided into sealed end 121 and connecting end 122 vertically, and elastomer seal 11 is set on the inwall of sealed end 121, is used for matching with the outlet boss 30 of equipment, and connecting end 122 is used to connect the inwall 132 of an end of spring tube 13.In a kind of mode of execution, when the inside and outside footpath of connecting end 122 and sealed end 121 was more or less the same, promptly whole sleeve pipe 12 was the straight-run of pipe of even thickness; In the another kind of mode of execution, connecting end 122 differs bigger with the internal diameter or the external diameter of sealed end 121, in order to reduce the specification of spring tube 13, alleviate the weight of sleeve pipe 12, sleeve pipe 12 adopts the structural type of multidiameter shaft, in as shown in Figure 6 and Figure 7 the sleeve pipe 12 of example, connecting end 122 external diameters are constant, change the internal diameter of sealed end 121 according to the diameter of the outlet boss 30 of equipment.
After present embodiment is provided with the structure and size of sleeve pipe 12 flexibly, can select multiple sleeve pipe 12 flexibly for use,, therefore use more convenient, the further technology cost that reduced so that be applicable to different spring tube 13 at the spring tube 13 of same specification.
Above content be in conjunction with concrete mode of execution to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (11)
1. cable seal arrangement; comprise protecting jacket; it is characterized in that; described protecting jacket comprises sleeve pipe (12) and spring tube (13); the inwall of described sleeve pipe (12) is provided with and is used for the elastomer seal (11) that matches with the outlet boss (30) of equipment; one end of described spring tube (13) links to each other with described sleeve pipe (12), and the other end is provided with the cutting ferrule portion that is used to entangle cable (20).
2. device as claimed in claim 1 is characterized in that, described cutting ferrule portion is provided with along the bearing of trend reducing of described spring tube (13).
3. device as claimed in claim 1 is characterized in that, described spring tube (13) is undulatory rubber pipe.
4. device as claimed in claim 1 is characterized in that, described spring tube (13) is combined closely on the outer wall of described sleeve pipe (12).
5. device as claimed in claim 1 is characterized in that, described elastomer seal (11) is combined closely on the inwall of described sleeve pipe (12), or is connected as a single entity with the inwall of described sleeve pipe (12).
6. device as claimed in claim 1 is characterized in that, the inwall of described elastomer seal (11) is corrugated.
7. device as claimed in claim 1, it is characterized in that, described sleeve pipe (12) is divided into the sealed end (121) that matches with described outlet boss (30) vertically, and the connecting end (122) that is used to connect described spring tube (13), described connecting end (122) is different with the internal diameter or the external diameter of described sealed end (121).
8. as each described device in the claim 1 to 7, it is characterized in that, described cable seal arrangement also comprises and is used to be enclosed within the supracutaneous transition head of described cable (20) (14), and described transition head (14) outer wall is provided with the embedding part that matches with described cutting ferrule portion.
9. device as claimed in claim 8 is characterized in that, described embedding part comprises circular groove (142), and guides the thinnest end (131) of described cutting ferrule portion to embed first conical surface (144) in the described circular groove (142).
10. device as claimed in claim 9, it is characterized in that, described circular groove (142) is the anticreep face (146) that blocks the thinnest end (131) of described cutting ferrule portion near the wall of described first conical surface (144), is second conical surface (141) away from the wall of described first conical surface (144).
11. device as claimed in claim 9 is characterized in that, the minimum outer diameter of described circular groove (142) is greater than the internal diameter of the thinnest end (131) of described cutting ferrule portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206136178U CN201897011U (en) | 2010-11-18 | 2010-11-18 | Cable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206136178U CN201897011U (en) | 2010-11-18 | 2010-11-18 | Cable sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897011U true CN201897011U (en) | 2011-07-13 |
Family
ID=44254918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206136178U Expired - Fee Related CN201897011U (en) | 2010-11-18 | 2010-11-18 | Cable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201897011U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012113223A1 (en) * | 2011-02-25 | 2012-08-30 | 中兴通讯股份有限公司 | Waterproof sealing assembly for outdoor cable |
| CN105972328A (en) * | 2016-07-01 | 2016-09-28 | 陕西飞机工业（集团）有限公司 | Sealing device between moving cable and aircraft airtight partition compartment |
| CN106415967A (en) * | 2015-01-16 | 2017-02-15 | 扇港元器件有限公司 | Sealable communication cable connection assemblies |
| CN107369975A (en) * | 2017-05-23 | 2017-11-21 | 广东林新能源科技有限公司 | A kind of waterproof connecting device for electric connector |
| DE102020120912A1 (en) | 2020-08-07 | 2022-02-10 | Grohe Ag | Mounting wall for a sanitary item and sealing mat for a mounting wall |
-
2010
- 2010-11-18 CN CN2010206136178U patent/CN201897011U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012113223A1 (en) * | 2011-02-25 | 2012-08-30 | 中兴通讯股份有限公司 | Waterproof sealing assembly for outdoor cable |
| CN106415967A (en) * | 2015-01-16 | 2017-02-15 | 扇港元器件有限公司 | Sealable communication cable connection assemblies |
| CN106415967B (en) * | 2015-01-16 | 2020-03-03 | 扇港元器件有限公司 | Sealable communication cable connection assembly |
| CN105972328A (en) * | 2016-07-01 | 2016-09-28 | 陕西飞机工业（集团）有限公司 | Sealing device between moving cable and aircraft airtight partition compartment |
| CN107369975A (en) * | 2017-05-23 | 2017-11-21 | 广东林新能源科技有限公司 | A kind of waterproof connecting device for electric connector |
| DE102020120912A1 (en) | 2020-08-07 | 2022-02-10 | Grohe Ag | Mounting wall for a sanitary item and sealing mat for a mounting wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20171118 |