CN210669418U - Cable with optimized glue filling structure - Google Patents

Cable with optimized glue filling structure Download PDF

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Publication number
CN210669418U
CN210669418U CN201822277067.6U CN201822277067U CN210669418U CN 210669418 U CN210669418 U CN 210669418U CN 201822277067 U CN201822277067 U CN 201822277067U CN 210669418 U CN210669418 U CN 210669418U
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CN
China
Prior art keywords
protection tube
cable
electric wire
epoxy
convex ring
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Active
Application number
CN201822277067.6U
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Chinese (zh)
Inventor
王明
李丽东
应卓浪
王晓东
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Zhejiang Shimge Pump Co Ltd
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Shimge Pump Industry Group Co Ltd
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Application filed by Shimge Pump Industry Group Co Ltd filed Critical Shimge Pump Industry Group Co Ltd
Priority to CN201822277067.6U priority Critical patent/CN210669418U/en
Application granted granted Critical
Publication of CN210669418U publication Critical patent/CN210669418U/en
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Abstract

The utility model relates to an optimize encapsulating structure's cable conductor, when solving the encapsulating epoxy that prior art exists, make rubber construction's deformation easily, rubber construction influences assembly and sealing performance scheduling problem again, the technical scheme of adoption: the protection tube is sleeved outside the electric wire extending section, the upper end of the protection tube is connected with the lower end of the cable sheath, and epoxy resin is filled in a gap between the protection tube and the electric wire extending section. The method has the following effects: at extension section cover protection tube (like the plastic tubing), irritate epoxy in the protective sheath, epoxy carries out water-tight seal to the electric wire extension section and fixes, and the setting of protection tube has greatly reduced the area of rubber construction and epoxy contact, has avoided the possibility of epoxy deformation.

Description

Cable with optimized glue filling structure
Technical Field
The utility model relates to a cable conductor especially relates to an optimize encapsulating structure's cable conductor.
Background
At present, when a cable is applied to an environment with a certain requirement on water sealing, epoxy resin is generally required to be poured into the cable, a cable sheath of the cable is of an integral rubber structure, a wire extension section is arranged at the lower end of the cable sheath, the wire extension section is generally required to be fixed with a corresponding shell (such as a pump cover and a wire outlet box shell) in a water sealing manner, and the wire and the shell are generally fixed in the water sealing manner by adopting the epoxy resin pouring manner. When epoxy resin is poured, the hot-melt epoxy resin easily deforms the rubber structure, and the rubber structure affects the assembling and sealing performance.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that prior art exists and provide an optimize encapsulating structure's cable conductor, at extension section cover protection tube (like the plastic tubing), irritate epoxy in the protection tube, epoxy carries out water-tight seal to the electric wire extension section and fixes, and the setting of protection tube has avoided the possibility that epoxy warp for greatly having reduced the area of rubber construction with the epoxy contact.
The above technical purpose of the present invention is mainly solved by the following technical solutions: optimize encapsulating structure's cable conductor, including the electric wire, the cable sheath of cover on the electric wire, the lower extreme of cable sheath has the electric wire and extends the section, its characterized in that the protection tube is established to the outside cover of electric wire extension section, the upper end of protection tube with the lower extreme of cable sheath is connected, the protection tube with fill epoxy in the clearance between the electric wire extension section. At extension section cover protection tube (like the plastic tubing), irritate epoxy in the protective sheath, epoxy carries out water-tight seal to the electric wire extension section and fixes, and the setting of protection tube has greatly reduced the area of rubber construction and epoxy contact, has avoided the possibility of epoxy deformation. When the water-tight connection device is used, the protection pipe is in water-tight connection with the shell (such as the pump cover and the outlet box shell), and the electric wire extension section is in water-tight connection with the shell. The protective sleeve can be made of plastic and the like.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure: and a compression nut is arranged outside the cable sheath. The gland nut can be connected with the shell when compacting the cable conductor, so that the cable conductor is fixed on the shell.
A convex ring of an integrated structure is arranged outside the cable sheath, the upper surface of the convex ring is a circular truncated cone cylindrical surface, and the outer diameter of the upper end is smaller than that of the lower end; a compression washer is arranged between the convex ring and the compression nut, the lower surface of the compression washer is a circular truncated cone cylindrical surface, and the inner diameter of the upper end is smaller than that of the lower end; the inclination, the shape and the size of the upper surface of the convex ring are matched with those of the lower surface of the pressing gasket, and the lower surface of the pressing gasket is tightly pressed and fastened with the upper surface of the convex ring. When the convex ring and the pressing gasket form the pressing fit, the acting force between the convex ring and the pressing gasket enables the cable sheath and the pressing gasket to form the reliable tight fit.
In order to ensure that the cable sheath and the protective sleeve form reliable connection and prevent the protective sleeve from being separated, the lower end of the cable sheath is provided with a radial groove, the upper end of the protective tube is provided with a radial convex ring, and the radial convex ring is embedded into the radial groove.
The outer diameter of the upper wall of the radial groove is larger than that of the lower wall of the radial groove, and the outer diameter of the upper wall of the radial groove is matched with that of the upper end of the protection pipe. For increased strength, the radial groove typically has an inner diameter that is larger than the outer diameter of the main body portion of the cable jacket, i.e. the wall thickness at the radial groove is thicker than the wall thickness of the main body portion of the cable jacket.
The outer wall of the maximum diameter position of the protection tube is provided with a radial sealing ring groove, and a sealing ring is arranged in the sealing ring groove. The sealing ring groove and the sealing ring are arranged to enable the cable to form a water-tight seal with the shell. It is of course also possible to provide a groove in the housing, in which groove a sealing ring is provided, which is also a possible solution.
The diameter of the upper part of the protection tube is larger than that of the main body part of the protection tube, and the upper part of the protection tube and the main body part of the protection tube are in inclined smooth transition. When using, also have corresponding smooth transition inclined plane and the inclined plane on the protection tube under the general condition and form the cooperation on the casing, be favorable to forming spacingly to the protective housing, the effort that forms between the two is favorable to the protective sheath again to compress tightly epoxy simultaneously, and is more favorable to holistic water tightness.
The utility model discloses beneficial effect who has: 1. at extension section cover protection tube (like the plastic tubing), irritate epoxy in the protective sheath, epoxy carries out water-tight seal to the electric wire extension section and fixes, and the setting of protection tube has greatly reduced the area of rubber construction and epoxy contact, has avoided the possibility of epoxy deformation. 2. When the convex ring and the pressing gasket form the pressing fit, the acting force between the convex ring and the pressing gasket enables the cable sheath and the pressing gasket to form the reliable tight fit. 3. The sealing ring groove and the sealing ring are arranged to enable the cable to form a water-tight seal with the shell. 4. When using, also have corresponding smooth transition inclined plane and the inclined plane on the protection tube under the general condition and form the cooperation on the casing, be favorable to forming spacingly to the protective housing, the effort that forms between the two is favorable to the protective sheath again to compress tightly epoxy simultaneously, and is more favorable to holistic water tightness.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): the cable with the optimized potting structure comprises a wire 1 and a cable sheath 2 sleeved on the wire, wherein the lower end of the cable sheath 2 (comprising a main body part 21 and a convex ring 22) is provided with a wire extension section 11. The outer part of the electric wire extending section 11 is sleeved with a protection tube 3 (comprising an upper part 31 and a main body part 32), the upper end of the protection tube 3 is connected with the lower end of the cable sheath 2, and a gap between the protection tube 3 and the electric wire extending section 11 is filled with epoxy resin 4. At extension section cover protection tube (like the plastic tubing), irritate epoxy in the protective sheath, epoxy carries out water-tight seal to the electric wire extension section and fixes, and the setting of protection tube has greatly reduced the area of rubber construction and epoxy contact, has avoided the possibility of epoxy deformation. When the water-tight connection device is used, the protection pipe and the shell 8 (such as a pump cover, an outlet box shell and the like, in general, assembly through holes are reserved on the shell 8, and a cable of the glue pouring structure penetrates through the assembly through holes) are connected in a water-tight manner, so that the electric wire extension section and the shell are connected in a water-tight manner. The protective sleeve can be made of plastic and the like.
And a compression nut 5 is arranged outside the cable sheath. The gland nut can be connected with the shell when compacting the cable conductor, so that the cable conductor is fixed on the shell.
A convex ring 22 of an integrated structure is arranged outside the cable sheath, the upper surface 22-1 of the convex ring is a circular truncated cone cylindrical surface, and the outer diameter of the upper end is smaller than that of the lower end; a compression washer 6 is arranged between the convex ring and the compression nut, the lower surface 61 of the compression washer is a circular truncated cone cylindrical surface, and the inner diameter of the upper end is smaller than that of the lower end; the upper surface 22-1 of the convex ring and the lower surface 61 of the pressing gasket are matched in inclination, shape and size, and the lower surface of the pressing gasket is tightly pressed and fastened with the upper surface of the convex ring. When the convex ring and the pressing gasket form the pressing fit, the acting force between the convex ring and the pressing gasket enables the cable sheath and the pressing gasket to form the reliable tight fit.
In order to form a reliable connection between the cable sheath and the protective sheath and prevent the protective sheath from being separated, the lower end of the cable sheath is provided with a radial groove 22-2, the upper end of the protective tube is provided with a radial convex ring, and the radial convex ring is embedded into the radial groove.
The outer diameter of the upper wall 22-3 of the radial groove, which is adapted to the outer diameter of the upper end of the protective tube (normally the lower wall of the collar 22), is larger than the outer diameter 22-4 of the lower wall of the radial groove. For increased strength, the radial groove typically has an inner diameter that is larger than the outer diameter of the main body portion of the cable jacket, i.e. the wall thickness at the radial groove is thicker than the wall thickness of the main body portion of the cable jacket.
The outer wall of the maximum diameter position of the protection tube is provided with a radial sealing ring groove, and a sealing ring 7 is arranged in the sealing ring groove. The sealing ring groove and the sealing ring are arranged to enable the cable to form a water-tight seal with the shell. It is of course also possible to provide a groove in the housing, in which groove a sealing ring is provided, which is also a possible solution.
The diameter of the upper part 31 of the protective tube is larger than that of the main body part 32 of the protective tube, and the upper part of the protective tube and the main body part of the protective tube are in inclined smooth transition. When using, under the normal condition, also have corresponding smooth transition inclined plane on the casing 8 and form the cooperation with the inclined plane on the protection tube, be favorable to forming spacingly to the protective housing, the effort that forms between the two is favorable to the protective sheath again to compress tightly epoxy simultaneously, and is more favorable to holistic water tightness.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Optimize encapsulating structure's cable conductor, including the electric wire, the cable sheath of cover on the electric wire, the lower extreme of cable sheath has the electric wire and extends the section, its characterized in that the protection tube is established to the outside cover of electric wire extension section, the upper end of protection tube with the lower extreme of cable sheath is connected, the protection tube with fill epoxy in the clearance between the electric wire extension section.
2. The cable line with the optimized potting compound structure as claimed in claim 1, wherein a compression nut is arranged outside the cable sheath.
3. The cable line with the optimized potting structure as claimed in claim 2, wherein a convex ring of an integrated structure is arranged outside the cable sheath, the upper surface of the convex ring is a circular truncated cone cylindrical surface, and the outer diameter of the upper end is smaller than that of the lower end; a compression washer is arranged between the convex ring and the compression nut, the lower surface of the compression washer is a circular truncated cone cylindrical surface, and the inner diameter of the upper end is smaller than that of the lower end; the inclination, the shape and the size of the upper surface of the convex ring are matched with those of the lower surface of the pressing gasket, and the lower surface of the pressing gasket is tightly pressed and fastened with the upper surface of the convex ring.
4. The cable line with the optimized potting compound structure as claimed in claim 1, 2 or 3, wherein the lower end of the cable sheath is provided with a radial groove, the upper end of the protection tube is provided with a radial convex ring, and the radial convex ring is embedded in the radial groove.
5. The cable line with the optimized potting compound structure as claimed in claim 4, wherein the outer diameter of the upper wall of the radial groove is larger than that of the lower wall of the radial groove, and the outer diameter of the upper wall of the radial groove is adapted to the outer diameter of the upper end of the protection tube.
6. The cable with the optimized potting compound structure as claimed in claim 5, wherein the outer wall of the protection tube at the maximum diameter is provided with a radial sealing ring groove, and a sealing ring is arranged in the sealing ring groove.
7. The cable conductor with the optimized potting compound structure as claimed in claim 6, wherein the diameter of the upper part of the protection tube is larger than that of the main body part of the protection tube, and the upper part of the protection tube and the main body part of the protection tube are in inclined smooth transition.
CN201822277067.6U 2018-12-31 2018-12-31 Cable with optimized glue filling structure Active CN210669418U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822277067.6U CN210669418U (en) 2018-12-31 2018-12-31 Cable with optimized glue filling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822277067.6U CN210669418U (en) 2018-12-31 2018-12-31 Cable with optimized glue filling structure

Publications (1)

Publication Number Publication Date
CN210669418U true CN210669418U (en) 2020-06-02

Family

ID=70821513

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822277067.6U Active CN210669418U (en) 2018-12-31 2018-12-31 Cable with optimized glue filling structure

Country Status (1)

Country Link
CN (1) CN210669418U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210924

Address after: 317525 Ocean City Industrial Zone, Dashi Town, Wenling City, Taizhou, Zhejiang

Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd.

Address before: 317525 Sanchi Cave Village, Daxi Town, Wenling City, Taizhou City, Zhejiang Province

Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd.