CN213937404U - Cable joint oversheath watertight fittings - Google Patents
Cable joint oversheath watertight fittings Download PDFInfo
- Publication number
- CN213937404U CN213937404U CN202022623152.0U CN202022623152U CN213937404U CN 213937404 U CN213937404 U CN 213937404U CN 202022623152 U CN202022623152 U CN 202022623152U CN 213937404 U CN213937404 U CN 213937404U
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- China
- Prior art keywords
- sealing
- elastic
- side wall
- ring
- cable joint
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- 238000007789 sealing Methods 0.000 claims abstract description 112
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000004078 waterproofing Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 15
- 238000001035 drying Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a cable joint outer sheath waterproof device, which belongs to the technical field of cables and comprises two groups of cables and a cable joint connected between the two groups of cables, wherein an outer protective shell is sleeved outside the cable joint, two ends of the outer protective shell are in an open shape and are provided with sealing covers, the two sealing covers are sleeved on the two groups of cables, the sealing covers are in a conical shape, a positioning component is fixedly connected on the outer side wall of the sealing cover close to the cables, and a lower annular groove is formed on the outer side wall of the outer protective shell positioned inside the sealing covers; accomplish three-layer seal structure, improve its leakproofness, waterproof nature greatly, can't reach sealed effect after avoiding conventional unicity seal structure to lose efficacy to after overall seal structure became invalid, make elastic film to the inboard sunken under the effect of external air pressure, whether the staff of can being convenient for is more audio-visual knows overall seal structure effectively, is convenient for in time salvage when sealed the inefficacy, avoids intaking.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to cable joint oversheath watertight fittings.
Background
Cable joints, also called cable heads, are used to connect the sections of wire together after the cable has been laid, so that the cable is a continuous line. The cable joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust prevention and vibration prevention.
At present, two cables need use cable joint to connect when connecting, and cable joint portion is because the leakproofness is not good, leads to easy into water etc. in case the rainwater permeates to cable joint inside, one influences its insulating nature, two come to cause the erosion phenomenon to cable joint inside, influence normal power supply operation, very easily damage cable joint simultaneously, cause economic loss, but the sealed unicity seal structure that often adopts on the current cable joint, then can't reach sealed water-proof effects after its conventional unicity seal structure became invalid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable joint oversheath watertight fittings to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a waterproof device for an outer sheath of a cable joint comprises two groups of cables and the cable joint connected between the two groups of cables, wherein an outer sheath is sleeved outside the cable joint, two ends of the outer sheath are open and provided with sealing covers, the two sealing covers are sleeved on the two groups of cables respectively, each sealing cover is conical, a positioning assembly is fixedly connected to the outer side wall, close to the cables, of each sealing cover, a lower annular groove is formed in the outer side wall, located inside the sealing cover, of each outer sheath, an upper annular groove is formed in the inner side wall of each sealing cover, corresponding to the lower annular groove, of each sealing cover, the lower annular groove is communicated with the upper annular groove to form a sealing cavity, an elastic sealing ring is sleeved in each sealing cavity, an elastic cover is fixedly connected to the outer side wall, close to the outer sheath, of each sealing cover, an elastic film is fixedly connected to the opening on one side of each elastic cover, and a drying box is embedded inside each sealing cover, the drying agent is placed in the drying box, one side wall of the drying box is in a mesh shape, and a plurality of through holes are formed in the position, corresponding to the drying box, of the inner side wall of the sealing cover.
As a preferred embodiment, locating component includes two elastic rods of rigid coupling on the sealed cowling lateral wall, and two elastic rods all have through the fixed block rigid coupling to compress tightly the piece on keeping away from one of sealed cowling, and two compress tightly in the constant head tank that the piece is semi-annular and block was seted up on solid fixed ring lateral wall, and two both ends department that compress tightly the piece all pass through bolted connection, gu the fixed ring rigid coupling is on the cable.
In a preferred embodiment, a metal outer ring is fixedly arranged on the outer side wall of the elastic sealing ring, and a metal inner ring is fixedly arranged on the inner side wall of the elastic sealing ring.
As a preferred embodiment, the middle portion of the elastic cover is recessed inward, and the inner sidewall of the recessed portion of the elastic cover is attached to the outer sidewall of the rubber sealing seat, and the rubber sealing seat is fixedly connected to the outer sidewall of the outer casing.
As a preferred embodiment, an elastic ring is fixedly connected to an inner side wall of the sealing cover inside the outer casing, and a rubber ring is fixedly connected to an outer side wall of the elastic ring.
In a preferred embodiment, waterproof glue is filled between one end of the sealing cover close to the cable and the cable.
Compared with the prior art, the utility model provides a cable joint oversheath watertight fittings includes following beneficial effect at least:
(1) through the effects of the outer protective shell and the sealing cover, the connector is sealed in the outer protective shell and the sealing cover, the effect of the elastic sealing ring, the elastic cover, the rubber sealing seat, the elastic ring and the rubber ring is recycled, the elastic sealing ring seals the joint between the outer protective shell and the sealing cover, and meanwhile, the concave part of the rubber sealing seat can extrude the rubber sealing seat to deform, so that the sealing effect is achieved, the elastic ring is extruded by the inner side wall of the outer protective shell, and the rubber ring is extruded after the elastic ring deforms, so that a three-layer sealing structure is completed, the sealing property and the water resistance of the three-layer sealing structure are greatly improved, and the sealing effect cannot be achieved after the conventional single sealing structure fails;
(2) the drying agent is placed in the drying box through the action of the drying box, the through hole and the elastic film, and the drying agent can absorb moisture in air inside the outer protective shell through the through hole to reduce the air, so that after the integral sealing structure fails, the elastic film is sunken inwards under the action of the external air pressure, a worker can know whether the integral sealing structure is effective more intuitively, and when the sealing fails, the emergency repair is convenient in time, and water is prevented from entering;
(3) through locating component's effect, utilize to compress tightly in the constant head tank of piece block on solid fixed ring to fix a position sealed cowling and outer protecting casing, avoid its installation after producing the displacement, make its protectiveness to the connector part better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a positioning assembly of the present invention;
fig. 3 is a schematic structural view of the outer protective casing and the sealing cover of the present invention in partial section;
fig. 4 is a schematic cross-sectional view of an outer casing of the present invention;
fig. 5 is a schematic structural view of the elastic sealing ring, the metal outer ring and the metal inner ring of the present invention;
fig. 6 is a schematic structural view of the elastic ring and the rubber ring of the present invention;
fig. 7 is a schematic structural view of a cross-sectional view of the sealing cover of the present invention.
In the figure: 1. a cable; 2. a cable joint; 3. an outer protective shell; 4. a sealing cover; 5. a positioning assembly; 51. an elastic rod; 52. a fixed block; 53. a compression member; 54. a fixing ring; 55. positioning a groove; 56. a bolt; 6. a lower annular groove; 7. an upper annular groove; 8. an elastic sealing ring; 9. a metal outer ring; 10. a metal inner ring; 11. an elastic cover; 12. a rubber seal seat; 13. an elastic film; 14. drying the box; 15. a through hole; 16. an elastic ring; 17. a rubber ring; 18. and (3) waterproof glue.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-7, the present invention provides a cable joint outer sheath waterproof device, which comprises two sets of cables 1 and a cable joint 2 connected between the two sets of cables 1, an outer sheath 3 is sleeved outside the cable joint 2, and the two ends of the outer protecting shell 3 are open and provided with sealing covers 4, and the two sealing covers 4 are both sleeved on the two groups of cables 1, the sealing covers 4 are conical, the outer side wall of the sealing cover 4 close to the cables 1 is fixedly connected with a positioning component 5, the positioning component 5 comprises two elastic rods 51 fixedly connected on the outer side wall of the sealing cover 4, and one ends of the two elastic rods 51 far away from the sealing cover 4 are fixedly connected with a pressing piece 53 through a fixing block 52, and the two pressing pieces 53 are semi-annular and clamped in positioning grooves 55 formed on the outer side wall of the fixing ring 54, the two pressing pieces 53 are connected at two ends by bolts 56, and the fixing ring 54 is fixedly connected to the cable 1 (see fig. 1 and 2); utilize the fastener 53 to fix a position in the constant head tank 55 on solid fixed ring 54 to sealed cowling 4 and outer jacket 3, avoid its installation after producing the displacement, make its protectiveness to the connector part better.
The outer side wall of the outer protective shell 3, which is positioned inside the sealing cover 4, is provided with a lower annular groove 6, the position of the inner side wall of the sealing cover 4, which corresponds to the lower annular groove 6, is provided with an upper annular groove 7, the lower annular groove 6 is communicated with the upper annular groove 7 to form a sealing cavity, an elastic sealing ring 8 is sleeved in the sealing cavity, the outer side wall of the elastic sealing ring 8 is fixedly provided with a metal outer ring 9, and the inner side wall of the elastic sealing ring 8 is fixedly provided with a metal inner ring 10 (see fig. 3, 4 and 5); when receiving extreme weather's influence, receive expend with heat and contract with cold's effect, the metal inner ring 10 diameter increase when being heated extrudes elastic seal circle 8 deformation, and the metal outer ring 9 diameter reduces when being cooled, also extrudes elastic seal circle 8 deformation to make it closely laminate in sealed intracavity, reach better sealed effect, avoided expend with heat and contract with cold to the influence that its leakproofness produced.
An elastic cover 11 is fixedly connected to the outer side wall of the sealing cover 4 close to the outer casing 3, the middle part of the elastic cover 11 is concave inwards, the inner side wall of the concave part of the elastic cover 11 is attached to the outer side wall of the rubber sealing seat 12, and the rubber sealing seat 12 is fixedly connected to the outer side wall of the outer casing 3 (see fig. 1, 3 and 4); the concave part of the rubber sealing seat 12 can extrude the rubber sealing seat 12 to deform, thereby achieving the sealing effect.
An opening at one side of the elastic cover 11 is fixedly connected with an elastic film 13, a drying box 14 is embedded in the sealing cover 4, a drying agent is placed in the drying box 14, one side wall of the drying box 14 is in a mesh shape, a plurality of through holes 15 are formed in the position, corresponding to the drying box 14, of the inner side wall of the sealing cover 4, an elastic ring 16 is fixedly connected to the inner side wall of the sealing cover 4, which is positioned in the outer protective shell 3, and a rubber ring 17 is fixedly connected to the outer side wall of the elastic ring 16 (see fig. 4 and 6); the elastic ring 16 is extruded by the inner side wall of the outer protecting shell 3, so that the elastic ring 17 is extruded after being deformed.
When the sealing device is used, the whole assembly is finished, the connector is sealed in the outer protective shell 3 and the sealing cover 4 under the action of the outer protective shell 3 and the sealing cover 4, the elastic sealing ring 8, the elastic cover 11, the rubber sealing seat 12, the elastic ring 16 and the rubber ring 17 are utilized, the elastic sealing ring 8 seals the joint between the outer protective shell 3 and the sealing cover 4, when the sealing device is affected by extreme weather and is affected by expansion caused by heat and contraction caused by cold, the diameter of the metal inner ring 10 is increased when the sealing device is heated, the elastic sealing ring 8 is extruded to deform, the diameter of the metal outer ring 9 is reduced when the sealing device is cooled, the elastic sealing ring 8 is also extruded to deform, so that the sealing device can be tightly attached in a sealing cavity, a better sealing effect is achieved, the influence of the expansion caused by the heat and contraction caused on the sealing performance is avoided, meanwhile, the rubber sealing seat 12 can be extruded to deform at the sunken position of the rubber sealing seat 12, and a sealing effect is achieved, and the elastic ring 16 is squeezed by the inner side wall of the outer casing 3, and then the elastic ring 17 is squeezed after the elastic ring is deformed, thereby completing a three-layer sealing structure, greatly improving the sealing property and the waterproof property, avoiding the sealing effect which can not be achieved after the conventional single sealing structure fails, then through the action of the drying box 14, the through hole 15 and the elastic film 13, the drying agent is placed in the drying box 14, the drying agent can absorb the moisture in the air in the outer casing 3 through the through hole 15, and reducing the air, thereby when the whole sealing structure fails, the elastic film 13 is sunken inwards under the action of the external air pressure, being convenient for a worker to more intuitively know whether the whole sealing structure is effective, when the sealing fails, the emergency repair is convenient in time, water is avoided, and finally through the action of the positioning component 5, the pressing piece 53 is clamped in the positioning groove 55 on the fixing ring 54, thereby fix a position sealed cowling 4 and outer protecting shell 3, avoid its installation back to produce the displacement, make its protectiveness to the connector part better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cable joint oversheath watertight fittings, includes two sets of cables (1) and connects cable joint (2) between two sets of cables (1), its characterized in that: the outer side of the cable joint (2) is sleeved with an outer protective shell (3), two ends of the outer protective shell (3) are open and provided with sealing covers (4), the two sealing covers (4) are sleeved on the two groups of cables (1), each sealing cover (4) is conical, a positioning component (5) is fixedly connected to the outer side wall, close to the cables (1), of each sealing cover (4), a lower annular groove (6) is formed in the outer side wall, located inside the corresponding sealing cover (4), of the outer protective shell (3), an upper annular groove (7) is formed in the position, corresponding to the lower annular groove (6), of the inner side wall of each sealing cover (4), an upper annular groove (7) is communicated with the lower annular groove (7) to form a sealing cavity, an elastic sealing ring (8) is sleeved in the sealing cavity, an elastic cover (11) is fixedly connected to the outer side wall, close to the outer protective shell (3), and an elastic film (13) is fixedly connected to the opening in one side of the elastic cover (11), the inside of sealed cowling (4) is inlayed and is equipped with dry box (14), placed the drier in dry box (14), and a lateral wall of dry box (14) is the mesh form, a plurality of through-holes (15) have been seted up to the position that sealed cowling (4) inside wall corresponds dry box (14).
2. The cable joint outer sheath waterproofing device according to claim 1, wherein: locating component (5) include two elastic rod (51) of rigid coupling on sealed cowling (4) lateral wall, and two elastic rod (51) are kept away from and are all had through fixed block (52) rigid coupling to compress tightly piece (53) on one end of sealed cowling (4), and two compress tightly piece (53) and be semi-annular and block in constant head tank (55) seted up on solid fixed ring (54) lateral wall, and two both ends departments that compress tightly piece (53) all connect through bolt (56), gu fixed ring (54) rigid coupling is on cable (1).
3. The cable joint outer sheath waterproofing device according to claim 1, wherein: the outer side wall of the elastic sealing ring (8) is fixedly provided with a metal outer ring (9), and the inner side wall of the elastic sealing ring (8) is fixedly provided with a metal inner ring (10).
4. The cable joint outer sheath waterproofing device according to claim 1, wherein: the middle part of the elastic cover (11) is inwards sunken, the inner side wall of the sunken part of the elastic cover (11) is attached to the outer side wall of the rubber sealing seat (12), and the rubber sealing seat (12) is fixedly connected to the outer side wall of the outer protective shell (3).
5. The cable joint outer sheath waterproofing device according to claim 1, wherein: the sealing cover (4) is fixedly connected with an elastic ring (16) on the inner side wall of the outer protective shell (3), and the outer side wall of the elastic ring (16) is fixedly connected with a rubber ring (17).
6. The cable joint outer sheath waterproofing device according to claim 1, wherein: waterproof glue (18) is filled between one end of the sealing cover (4) close to the cable (1) and the cable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623152.0U CN213937404U (en) | 2020-11-13 | 2020-11-13 | Cable joint oversheath watertight fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623152.0U CN213937404U (en) | 2020-11-13 | 2020-11-13 | Cable joint oversheath watertight fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213937404U true CN213937404U (en) | 2021-08-10 |
Family
ID=77170317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022623152.0U Expired - Fee Related CN213937404U (en) | 2020-11-13 | 2020-11-13 | Cable joint oversheath watertight fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213937404U (en) |
-
2020
- 2020-11-13 CN CN202022623152.0U patent/CN213937404U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |