CN210092486U - Shielded cable grounding type joint - Google Patents
Shielded cable grounding type joint Download PDFInfo
- Publication number
- CN210092486U CN210092486U CN201921056425.9U CN201921056425U CN210092486U CN 210092486 U CN210092486 U CN 210092486U CN 201921056425 U CN201921056425 U CN 201921056425U CN 210092486 U CN210092486 U CN 210092486U
- Authority
- CN
- China
- Prior art keywords
- cable
- retaining member
- metal shielding
- sealed retaining
- sealed
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 24
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000004260 plant-type cell wall biogenesis Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model relates to a cable joint field especially relates to a shielded cable ground connection type connects. Shielded cable ground connection type connects, including connecting body and nut, still include the sealed retaining member of suit in connecting body and nut, sealed retaining member endotheca is equipped with the metal shielding cover, has radial interval between metal shielding cover and the sealed retaining member, and radial interval supplies sealed retaining member radial extrusion shielding layer, and the one end of metal shielding cover has the end cap, and the end cap is assembled with the terminal surface axial stop of sealed retaining member, has on the connecting body with the boss of end cap axial stop complex. The shielding layer that the cable was peeled off can the cladding on the outer wall of metal shielding cover, and sealed locking piece can radially extrude the shielding layer when the assembly, and the metal shielding cover contacts with the boss of joint body, and metal shielding cover, joint body and cable shielding layer form closed shielding net to contact with the object of electrical equipment through the joint body and be connected with ground and realize ground connection, protect the signal of cable.
Description
Technical Field
The utility model relates to a cable joint field especially relates to a shielded cable ground connection type connects.
Background
The cable joint is a connecting device frequently used in an electric power system, and the cable joint is used as a cable fixing and protecting part in a connecting part of a plurality of electric equipment and cables, and simultaneously, the purposes of water resistance and moisture resistance are achieved, so that the use safety of the equipment is ensured. When the cable transmits signals, the cable needs to be shielded to ensure the transmission quality of the signals, so that the cable connector needs to have a shielding function.
Chinese utility model patent that the grant bulletin number is CN206353693U, and the grant bulletin date is 2017.07.25 discloses a cable joint with elasticity electromagnetic ring, and this cable joint still includes the electromagnetic shield ring including the threading chamber that is used for locking and fixed cable, and the electromagnetic shield ring is by the spring structure with the central axis in threading chamber is the center, is cyclic annular around the back end to end and forms.
When the cable joint is used, the cable is shielded by the electromagnetic shielding ring, so that the transmission quality of a cable signal is improved. However, in a railway locomotive, when a cable is connected to an electrical device through a cable joint, the cable is usually required to be connected to different electrical components, at this time, an outer skin and an inner shielding layer of the cable need to be stripped, a plurality of core bodies in the cable are respectively connected to different electrical components, and the shielding effect of the cable after the shielding layer is stripped is poor, which affects the transmission quality of signals.
Disclosure of Invention
The utility model aims at providing a shielded cable ground connection type connects to the cable shield who solves among the prior art strips back shielding effect poor, influence signal's transmission quality's problem.
The utility model discloses a shielded cable grounding type connects technical scheme does:
the utility model provides a shielded cable ground connection type connects, includes the joint body and with the nut that connects body threaded connection, still includes the sealed retaining member of suit in connecting body and nut, sealed retaining member is close to the one end endotheca that connects the body is equipped with the metallic shield cover, have the radial interval that is used for holding the shielding layer of cable between metallic shield cover and the sealed retaining member, radial interval supplies sealed retaining member radial extrusion the shielding layer, the one end of metallic shield cover have be used for with sealed retaining member stop complex end cap, the end cap with the terminal surface axial stop assembly of sealed retaining member, connect have on the body with end cap axial stop complex boss.
The technical scheme has the advantages that the radial interval is reserved between the metal shielding sleeve and the sealed locking piece, the shielding layer stripped by the cable can be coated on the outer wall of the metal shielding sleeve, the sealed locking piece can radially extrude the shielding layer during assembly, the metal shielding sleeve is in contact with the boss of the connector body, the shielding layer and the connector body are in equipotential, the metal shielding sleeve, the connector body and the cable shielding layer form a closed shielding net, the object contact of the connector body and the electrical equipment is connected with the ground to achieve grounding, signals of the cable are protected, and the transmission quality of the signals is improved.
The outer wall surface of the metal shielding sleeve is a conical surface with the diameter gradually reduced along the direction far away from the end cap. When the shielding layer is coated on the metal shielding sleeve, the outer diameter of the end part of the conical surface is relatively smaller, so that the sealing locking piece is convenient to be sleeved outside the metal shielding sleeve.
The metal shielding sleeve is provided with at least two accommodating holes for accommodating cores of cables. Each accommodating hole can accommodate one core body of the cable, so that gaps among the core bodies are reduced, and the sealing performance between the cable and the metal shielding sleeve is enhanced.
The sealing locking part is also provided with a flange which is used for being matched with the end face of the joint body in a stop mode, and a plurality of rotation stopping surfaces are arranged on the flange along the circumferential direction of the sealing locking part. The rotation stopping surface is convenient for an operator to apply torque to the sealing locking piece so as to rotatably assemble the sealing locking piece on the metal shielding sleeve coated with the shielding layer.
A plurality of open grooves are arranged on the flange at intervals in the circumferential direction of the sealing locking piece, and groove walls of the open grooves form the rotation stopping surfaces. The processing of the open slot is simple, and the open slot is convenient to be used by tools on a matching plate and the like.
The outer wall of the sealing locking part is provided with an axially extending rotation stopping protrusion, the inner wall of the joint body is provided with a rotation stopping groove for the rotation stopping protrusion to be embedded, and the sealing locking part is matched with the joint body in a rotation stopping mode. The sealed retaining member is matched with the connector body in a rotation stopping manner, and the sealed retaining member can be prevented from rotating during nut assembly, so that the shielding layer is loosened.
Drawings
Fig. 1 is a schematic view of embodiment 1 of a shielded cable grounding type joint of the present invention;
fig. 2 is a sectional view of the shielded cable grounding type connector of fig. 1.
The connector comprises a connector body 1, a boss 11, a rotation stopping groove 12, a nut 2, a sealing locking piece 3, a flange 31, a rotation stopping protrusion 32, an opening groove 33, a metal shielding sleeve 4, a receiving hole 41, an end cap 42 and a conical surface 43.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses an embodiment 1 that shielded cable ground type connects, as shown in fig. 1 to fig. 2, this shielded cable ground type connects including connecting body 1, with nut 2 of body screw assembly, be used for the metal shielding cover 4, the suit of the shielding layer cladding of power cable to connect sealed retaining member 3 between body 1 and nut 2, metal shielding cover 4 dress is in sealed retaining member 3 be close to the hole that connects 1 one end of body.
The sealing lock 3 serves to seal the gap between the cable joint and the cable while locking the cable to prevent the cable from moving. Processing has the external screw thread on the outer wall of joint body 1, and hexagon nut has still been arranged at the middle part of joint body 1, has arranged the internal thread on the inner wall of nut 2, and nut 2 is hexagon nut, and the concrete structure that connects body 1 and nut 2 is the same with prior art, and the detailed description is not done here.
The metal shielding sleeve 4 is provided with a receiving hole 41, and the receiving hole 41 is a through hole with a large diameter and used for a core body of the cable to pass through. An end cap 42 for being in stop fit with the end face of the sealing locking piece 3 along the circumferential direction of the metal shielding sleeve 4 is arranged at one end of the metal shielding sleeve 4, a boss 11 for being in axial stop fit with the end cap 42 is formed on the inner wall of the joint body 1, and the metal shielding sleeve 4 is axially stopped between the boss 11 and the end face of the sealing locking piece 3 by the end cap 42, so that the metal shielding sleeve 4 is fixed.
The outer wall surface of the metal shielding sleeve 4 is a conical surface 43, the diameter of the conical surface 43 is gradually reduced along the direction departing from the end cap 42, and a radial interval is formed between the inner wall surface of the sealing locking piece 3 and the outer wall surface of the metal shielding sleeve 4 and used for accommodating a shielding layer of a cable. The assembly of sealed retaining member 3 is when the outside of metallic shield, the external diameter of conical surface 43 tip is less relatively, conical surface 43 can lead sealed retaining member 3, 3 suits of sealed retaining member of being convenient for are outside metallic shield cover 4, when nut 2 screws, 3 axial displacement of the sealed retaining member of nut 2 oppression, sealed retaining member 3 compels tightly on metallic shield cover 4 with the shielding layer of cable, and oppress metallic shield cover 4 and closely laminate on the boss 11 in connecting body 1, make metallic shield cover 4 be connected with connecting body 1 electricity, and realize shielding ground connection through electrical equipment's casing, metallic shield cover 4, the shielding layer of connecting body 1 and cable forms closed shielding net, protect the signal of cable, the transmission quality of signal has been improved.
The whole sealing locking piece 3 is of a stepped pipe structure, one end, far away from the joint body 1, of the sealing locking piece 3 is provided with a flange 31 with a larger outer diameter, and when the sealing locking piece 3 is assembled with the joint body 1, the flange 31 can be axially blocked with the end face of the joint body 1 to position the sealing locking piece 3. Arrange on the outer wall of the minor diameter section of sealed retaining member 3 and spline protruding 32, spline protruding 32 along sealed retaining member 3's axial extension, spline protruding 32 has a plurality ofly and follows sealed retaining member 3's circumference interval equipartition, offer on the inner wall of joint body 1 and supply to spline the protruding 32 embedding spline groove 12 of splining, sealed retaining member 3 and joint body 1 between the two through spline groove 12 with spline protruding 32 and spline the assembly, can avoid driving sealed retaining member 3 to rotate and make the shielding layer not hard up when nut 2 assembles.
The flange 31 of the sealing lock piece 3 is provided with a plurality of open grooves 33, and the open grooves 33 are uniformly arranged around the circumferential direction of the sealing lock piece 3. When assembling the cable joint, the shielding layer cladding of cable is earlier on the outer wall of metal shield cover 4, and the external diameter of shielding layer slightly is greater than sealed retaining member 3's internal diameter, and operating personnel accessible open groove 33's cell wall exerts the moment of torsion to sealed retaining member 3, and the rotatory assembly of sealed retaining member 3 of being convenient for has the rotation-stopping face on the metal shield cover 4 of shielding layer, open groove 33's cell wall formation flange 31.
The utility model discloses an embodiment 2 of shielded cable ground connection type joint, the difference with embodiment 1 lies in, in this embodiment, has seted up four accommodation holes 41 on the metallic shield cover 4, and four accommodation holes 41 are around the circumference interval arrangement of metallic shield cover 4, and accommodation holes 41 are used for the core of power supply cable to pass. Each of the accommodation holes 41 can accommodate one core of the cable, respectively, reducing the gap between the cores, thereby enhancing the sealability between the cable and the metallic shield shell 4.
In other embodiments of the grounding connector of the shielded cable of the present invention, the outer wall surface of the metal shielding sleeve can also be a cylindrical surface with the same diameter; the rotation stopping surface on the flange can be omitted, and the flange is of a cylindrical structure; the flange may also be of hexagonal configuration, with the hexagonal sides forming the anti-rotation surfaces.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a shielded cable ground connection type connects, its characterized in that, including connect the body and with connect body threaded connection's nut, still include the sealed retaining member of suit in connecting body and nut, sealed retaining member is close to the one end endotheca that connects the body is equipped with the metal shielding cover, the radial interval that is used for holding the shielding layer of cable has between metal shielding cover and the sealed retaining member, radial interval supplies sealed retaining member radially to extrude the shielding layer, the one end of metal shielding cover have be used for with sealed retaining member stop complex end cap, the end cap with the terminal surface axial stop assembly of sealed retaining member, connect have on the body with end cap axial stop complex boss.
2. The shielded cable grounding contact of claim 1, wherein the outer wall surface of said metal shielding sleeve is tapered with a diameter decreasing away from said end cap.
3. The ground type joint for shielded cables as claimed in claim 1, wherein said metallic shield has at least two receiving holes formed therein for receiving the core of the cable.
4. The ground-type shielded cable connector according to any one of claims 1 to 3, wherein the sealing and locking member further has a flange for stop-fitting with the end surface of the connector body, and a plurality of rotation-stopping surfaces are arranged on the flange along a circumferential direction of the sealing and locking member.
5. The shielded cable grounding connector of claim 4, wherein a plurality of open slots are circumferentially spaced around the seal lock on the flange, the slot walls of the open slots forming the rotation stop surfaces.
6. The ground type joint of shielded cable according to any one of claims 1 to 3, wherein the outer wall of the sealing and locking member is provided with an axially extending rotation stop protrusion, the inner wall of the joint body is provided with a rotation stop groove for the rotation stop protrusion to be inserted into, and the sealing and locking member is engaged with the joint body in a rotation stop manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056425.9U CN210092486U (en) | 2019-07-08 | 2019-07-08 | Shielded cable grounding type joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056425.9U CN210092486U (en) | 2019-07-08 | 2019-07-08 | Shielded cable grounding type joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210092486U true CN210092486U (en) | 2020-02-18 |
Family
ID=69484793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921056425.9U Active CN210092486U (en) | 2019-07-08 | 2019-07-08 | Shielded cable grounding type joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210092486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325106A (en) * | 2021-11-15 | 2022-04-12 | 上海凌世电磁技术有限公司 | Low-frequency cylinder testing tool of three-coaxial-method cable shielding effectiveness testing system |
-
2019
- 2019-07-08 CN CN201921056425.9U patent/CN210092486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325106A (en) * | 2021-11-15 | 2022-04-12 | 上海凌世电磁技术有限公司 | Low-frequency cylinder testing tool of three-coaxial-method cable shielding effectiveness testing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103682841A (en) | Shielded, sealed and anti-rotation circular connector | |
| US4653835A (en) | Electrical plug-coupler-system | |
| CN210668796U (en) | Waterproof connector and connector assembly | |
| CN109560420B (en) | Circular underwater sealing electric connector capable of being blindly inserted | |
| CN210092486U (en) | Shielded cable grounding type joint | |
| CN107994383B (en) | Connector with a plurality of connectors | |
| US20110182551A1 (en) | Communications connectors and methods of using the same | |
| CN109786088A (en) | A kind of conductive boom end assembling assembly and bushing shell for transformer of bushing shell for transformer | |
| CN108599089A (en) | Push-in electromagnetic shielded cable connector | |
| CN107181104A (en) | A kind of waterproof shielding cable clamp assembly | |
| CN107017587B (en) | A kind of shield line hose coupling | |
| CN213185364U (en) | Suspension type cable assembly device | |
| US20140057472A1 (en) | Cable connector and connection system | |
| CN212304020U (en) | Tail part adapter coupling accessory | |
| GB2450519A (en) | A cable gland | |
| CN105048400B (en) | Electrical equipment and its cable fixing head | |
| CN110603698A (en) | Waterproof structure for solid insulated bus and connection structure for solid insulated bus | |
| CN209544120U (en) | A kind of conductive boom end assembling assembly and bushing shell for transformer of bushing shell for transformer | |
| CN220341554U (en) | Data connector | |
| CN213279133U (en) | Joint main body of high-voltage connector | |
| CN219180847U (en) | Structure improved plug wire | |
| JP4795170B2 (en) | Three-phase batch connection of different types of cables | |
| CN216773709U (en) | Connecting assembly, connector and connector assembly | |
| CN206180754U (en) | Motor and terminal box subassembly thereof | |
| CN212649085U (en) | High voltage connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: 9th to 10th floors, Science and Technology Innovation Building, No. 3 Science and Technology Innovation Industrial Park, Higher Education Science and Technology Innovation City, Nanqiao District, Chuzhou City, Anhui Province, 239050 Patentee after: Guocheng Rail Transit Equipment (Anhui) Co.,Ltd. Address before: Room 212-118, No. 8112, Lane 528, Jinlong New Street, Zhujing Town, Jinshan District, Shanghai, 201500 Patentee before: Siku Electromechanical Engineering Technology (Shanghai) Co.,Ltd. |
|
| TR01 | Transfer of patent right |