CN211351683U - Middle-high voltage cable intermediate joint - Google Patents
Middle-high voltage cable intermediate joint Download PDFInfo
- Publication number
- CN211351683U CN211351683U CN202020018815.3U CN202020018815U CN211351683U CN 211351683 U CN211351683 U CN 211351683U CN 202020018815 U CN202020018815 U CN 202020018815U CN 211351683 U CN211351683 U CN 211351683U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- hole
- joint
- connecting rod
- blind hole
- 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
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Images
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model relates to the technical field of electric power engineering, in particular to a middle and high voltage cable intermediate head, which comprises a sleeve, a joint and a wire core arranged in the joint, wherein the sleeve comprises a first sleeve and a second sleeve, one end of the first sleeve is provided with an internal thread, the first sleeve and the second sleeve have the same structure, the middle of the joint is provided with an external thread, the sleeve is in threaded connection with the joint, the joint is provided with a first through hole, the wire core is arranged in the first through hole in a penetrating way, the joint is provided with a first blind hole, the joint is provided with a second through hole, the first blind hole is connected with a first spring, a first connecting rod is sleeved in the second through hole, the first connecting rod is provided with a first stopper, the sleeve is provided with a tapered hole, the inner wall of the sleeve is provided with a first chute, the first stopper is clamped in the first chute, the inner wall of the sleeve is, the problem that when the existing intermediate joint is installed, an auxiliary screwdriver can be used, and a bolt easily falls off is solved.
Description
Technical Field
The utility model relates to an electric power engineering technical field especially relates to a middle and high voltage cable intermediate head.
Background
With the development of economy, the demand of power in various cities is increased, but power stations are generally built in areas far away from crowds, and the output of the power stations is higher voltage, so that medium-high voltage cables are needed for transmitting and distributing power.
Middle and high voltage power cable is often used in city underground electric wire netting, power station lead-out line, the inside power supply of industrial and mining enterprise and the river-crossing sea transmission line, in order to guarantee security and the reliability of electric energy in transmission and distribution process, it is very high to the intermediate head requirement that is used for connecting high voltage power cable, current middle and high voltage cable intermediate head is usually including connecting, bolt and shell, but this kind of intermediate head need be used supplementary screwdriver when the installation, and the bolt drops very easily, constructor's operating time has been increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a well high tension cable intermediate head for solve current intermediate head and can use supplementary screwdriver when the installation, the problem that the bolt dropped easily.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a middle joint of a medium-high voltage cable comprises a sleeve, a joint and a wire core installed in the joint, wherein the sleeve comprises a first sleeve and a second sleeve, one end of the first sleeve is provided with an internal thread, the first sleeve and the second sleeve are installed oppositely, the first sleeve and the second sleeve are identical in structure, an external thread is arranged in the middle of the joint, the sleeve is in threaded connection with the joint, a first through hole is formed in the joint, the wire core is arranged in the first through hole in a penetrating manner, a first blind hole is formed in the joint, a second through hole is formed in the bottom end of the first blind hole in the joint, a first spring is fixedly connected in the first blind hole, a first connecting rod is sleeved in the second through hole in a penetrating manner, a first limiting block is fixedly installed at one end, located in the first blind hole, of the first connecting rod, and a tapered hole is formed in the sleeve, the sleeve is characterized in that a first sliding groove is formed in the inner wall of the sleeve, the first limiting block is clamped in the first sliding groove, an annular sliding groove is formed in the inner wall of the sleeve, and the annular sliding groove is communicated with the first sliding groove.
Furthermore, a second blind hole is formed in the opposite side of the first blind hole on the connector, a third through hole is formed in the bottom end of the second blind hole, the third through hole is communicated with the second through hole, a second spring is fixedly connected in the second blind hole, a second connecting rod which is the same as the first connecting rod is sleeved in the third through hole, the second connecting rod is arranged in the second spring in a penetrating mode, a second limiting block which is the same as the first limiting block is fixedly installed at one end of the second connecting rod in the second blind hole, the two connecting rods and the two limiting blocks are arranged oppositely, and therefore when the wire cores with different cross sections can be arranged in the first through hole in a penetrating mode, the connecting rods can be extruded, and connection and fastening are achieved.
Further, a second sliding groove is formed in the opposite side of the inner wall of the sleeve, the second sliding groove is communicated with the annular sliding groove, and the second limiting block is clamped in the second sliding groove, so that the second limiting block can only move along the radial direction of the second sliding groove and cannot be axially extruded.
Further, first breach has been seted up to the end of head rod, the second breach has been seted up to the end of second connecting rod, the second breach is the same with first breach size shape, and the diameter of first breach and second breach is the same with the diameter of first through-hole, sets up like this and makes head rod and second connecting rod and sinle silk closer contact, and can not harm the sinle silk.
Furthermore, the end faces of the first limiting block and the second limiting block are inclined planes, so that the sliding obstruction of the inner wall of the sleeve and the first limiting block and the sliding obstruction of the second limiting block are reduced when the sleeve is in threaded connection.
Further, the sleeve is provided with a third blind hole, the sleeve is internally sleeved with a sealing ring, the wire core protecting sleeve penetrates through the sleeve and is in interference fit with the sealing ring, and the arrangement is such that rainwater is prevented from entering from the joint of the sleeve and the wire core protecting sleeve.
The utility model discloses a middle and high voltage cable intermediate head, through being provided with the sealing washer in the junction of sleeve and sinle silk protective sheath, has avoided the entering of external rainwater; the sleeve is provided with the internal thread, the middle of the joint is provided with the external thread, the joint is provided with the first blind hole, the bottom end of the first blind hole is provided with the second through hole, the first spring is fixedly connected in the first blind hole, the first connecting rod and the first limiting block are arranged in the second through hole in a penetrating manner, the joint is provided with the second blind hole, the bottom end of the second blind hole is provided with the third through hole, the second spring is fixedly connected in the second blind hole, and the second connecting rod and the second limiting block are arranged in the third through hole in a penetrating manner, so that when the wire core is arranged in the first through hole in a penetrating manner, the wire core is tightly clamped along with the spiral advancing of the sleeve, and the wire cores with different cross sections can be clamped tightly, thereby avoiding the; the clamped wire core can be loosened by reversely rotating the sleeve, so that the disassembly is convenient.
Drawings
Fig. 1 is a schematic perspective view of a middle connector of a medium-high voltage cable according to the present invention;
fig. 2 is an exploded view of a middle joint of a medium-high voltage cable according to the present invention;
fig. 3 is a schematic cross-sectional view of a connector of a middle-high voltage cable intermediate connector according to the present invention;
fig. 4 is a schematic cross-sectional view of a sleeve of a middle-high voltage cable intermediate joint according to the present invention;
fig. 5 is a schematic view of a partial connection structure of a middle-high voltage cable intermediate joint according to the present invention;
the sleeve comprises a sleeve 1, a first sleeve 101, a second sleeve 102, a tapered hole 103, a first sliding groove 104, an annular sliding groove 105, a second sliding groove 106, a wire core 2, a sealing ring 3, a joint 4, a first connecting rod 401, a first limiting block 402, a first through hole 403, a first blind hole 404, a second through hole 405, a first spring 406, a second blind hole 407, a second spring 408, a third through hole 409 and a first notch 410.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1-5, the utility model discloses a middle and high voltage cable intermediate head, including sleeve 1, joint 4 and install sinle silk 2 in connecting 4, sleeve 1 includes first sleeve 101 and second sleeve 102, the internal thread has been seted up to first telescopic one end, first sleeve and second sleeve are installed relatively, and first sleeve and second sleeve structure are the same, connect 4 middle assorted external screw thread of having seted up, first sleeve 101 with connect 4 threaded connection on the left side, second sleeve 102 with connect 4 threaded connection on the right side, first sleeve 101 and second sleeve 102 offset. The joint 4 is provided with a first through hole 403, and the wire core 2 is arranged in the first through hole 403 in a penetrating manner. Sealing washer 3 is equipped with to sleeve 1 endotheca, and the sinle silk protective sheath passes sleeve 1, and with sealing washer 3 interference fit, makes sinle silk protective sheath and sleeve 1 zonulae occludens, avoids the infiltration of rainwater.
The cross-section that connects 4 is isosceles trapezoid, first blind hole 404 has been seted up on connecting 4, connect 4 and seted up second through-hole 405 in first blind hole 404 bottom, first spring 406 of fixedly connected with in first blind hole 404, first connecting rod 401 has been cup jointed in second through-hole 405, first breach 410 has been seted up to the one end of first connecting rod 401, the diameter of first breach 410 is the same with the diameter of first through-hole 403, the other end of first connecting rod 401 wears to establish in first spring 406, the one end fixed mounting of first connecting rod 401 in first blind hole 404 has first stopper 402, the one end terminal surface of first stopper 402 is the inclined plane. The joint 4 is provided with a second blind hole 407 on the opposite side of the first blind hole 404, the bottom end of the second blind hole 407 is provided with a third through hole 409, the third through hole 409 is communicated with a second through hole 405, a second spring 408 is fixedly connected in the second blind hole 407, a second connecting rod identical to the first connecting rod 401 is sleeved in the third through hole 409, one end of the second connecting rod is provided with a second notch, the second notch is identical to the first notch 410 in size and shape, the other end of the second connecting rod is penetrated in the second spring 408, and a second limiting block identical to the first limiting block 402 is fixedly mounted at one end of the second connecting rod in the second blind hole 407.
The sleeve 1 is provided with a tapered hole 103, the tapered hole 103 is communicated with the first through hole 403, and the size and the shape of the tapered hole 103 correspond to the two ends of the joint 4, so that the joint 4 can be inserted into the sleeve 1. The inner wall of the sleeve 1 is provided with a first sliding groove 104, the first limiting block 402 is clamped in the first sliding groove 104, the inner wall of the sleeve 1 is provided with a second sliding groove 106 at the opposite side of the first sliding groove 104, and the second limiting block is clamped in the second sliding groove 106. The annular sliding groove 105 is formed in the inner wall of the sleeve 1, the annular sliding groove 105 is communicated with the first sliding groove 104 and the second sliding groove 106, when the sleeve 1 is rotated to be in threaded connection, the first limiting block 402 can slide in the first sliding groove 104 to advance, the second limiting block can advance in the second sliding groove 106, and meanwhile the annular sliding groove 105 enables the first limiting block 402 and the second limiting block to move along the radial direction of the sleeve 1 and cannot be extruded by the axial direction.
The utility model discloses a use method as follows: during installation, the wire core 2 with the protective sleeve is inserted into the first sleeve 101, so that the protective sleeve is fully contacted and sealed with the sealing ring 3, and external rainwater is prevented from entering; when the wire core 2 is inserted into the first through hole 403, the first sleeve 101 is in threaded connection with the middle part of the joint 4, the first sleeve 101 is rotated to advance through threads, the first sliding groove 104 on the inner wall of the sleeve 1 abuts against the first limiting block 402, the second sliding groove 106 abuts against the second limiting block, and along with the advance of the threads of the sleeve 1, the first limiting block 402 and the second limiting block are extruded by the inner wall of the sleeve 1, so that the first connecting rod 401 and the second connecting rod extend out of the second through hole 405 and the third through hole 409, the first notch 410 and the second notch abut against the wire core 2, and the wire core 2 is fastened; when the wire core 2 with the protective sleeve is inserted into the second sleeve 102, the same installation operation as that of the first sleeve 101 is carried out, so that the two sections of wire cores 2 are connected and fastened, and the problem that an auxiliary screwdriver is used during installation of the existing intermediate joint and a bolt is easy to fall off is solved; when the cable core is detached, the first sleeve 101 and the second sleeve 102 are directly rotated, so that the cable core 2 clamped in the joint 4 is loosened, and the cable core protective sleeve clamped in the sealing ring 3 is pulled out.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. The utility model provides a well high voltage cable intermediate head, includes sleeve (1), connects (4) and installs sinle silk (2) in connecting (4), its characterized in that: the sleeve (1) comprises a first sleeve (101) and a second sleeve (102), wherein an internal thread is formed at one end of the first sleeve (101), the first sleeve (101) and the second sleeve (102) are oppositely installed, the first sleeve (101) and the second sleeve (102) are identical in structure, an external thread is formed in the middle of the joint (4), the sleeve (1) is in threaded connection with the joint (4), a first through hole (403) is formed in the joint (4), the wire core (2) is arranged in the first through hole (403) in a penetrating mode, a first blind hole (404) is formed in the joint (4), a second through hole (405) is formed in the bottom end of the first blind hole (404) of the joint (4), a first spring (406) is fixedly connected in the first blind hole (404), a first connecting rod (401) is connected in the second through hole (405), and the first connecting rod (401) is arranged in the first spring (406) in a penetrating mode, the one end fixed mounting of head rod (401) in first blind hole (404) has first stopper (402), bell mouth (103) have been seted up on sleeve (1), first spout (104) have been seted up on sleeve (1) inner wall, first stopper (402) card is established in first spout (104), annular spout (105) have been seted up on sleeve (1) inner wall, annular spout (105) and first spout (104) intercommunication.
2. The medium-high voltage cable intermediate joint according to claim 1, characterized in that: the connector (4) is provided with a second blind hole (407) on the opposite side of the first blind hole (404), the bottom end of the second blind hole (407) is provided with a third through hole (409), the third through hole (409) is communicated with the second through hole (405), a second spring (408) is fixedly connected in the second blind hole (407), a second connecting rod identical to the first connecting rod (401) is sleeved in the third through hole (409), the second connecting rod penetrates through the second spring (408), and a second limiting block identical to the first limiting block (402) is fixedly installed at one end of the second connecting rod in the second blind hole (407).
3. A medium-high voltage cable intermediate joint according to claim 2, characterized in that: a second sliding groove (106) is formed in the inner wall of the sleeve (1) on the opposite side of the first sliding groove (104), the second sliding groove (106) is communicated with the annular sliding groove (105), and the second limiting block is clamped in the second sliding groove (106).
4. A mid-to-high voltage cable intermediate joint according to claim 3, characterized in that: the tail end of the first connecting rod (401) is provided with a first notch (410), the tail end of the second connecting rod is provided with a second notch, the second notch and the first notch (410) are identical in size and shape, and the diameters of the first notch (410) and the second notch are identical to the diameter of the first through hole (403).
5. The middle-high voltage cable intermediate joint according to claim 4, characterized in that: the end faces of one ends of the first limiting block (402) and the second limiting block are both inclined faces.
6. The middle-high voltage cable intermediate joint according to claim 5, characterized in that: sealing washer (3) are equipped with to sleeve (1) endotheca, the sinle silk protective sheath passes sleeve (1), and with sealing washer (3) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020018815.3U CN211351683U (en) | 2020-01-06 | 2020-01-06 | Middle-high voltage cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020018815.3U CN211351683U (en) | 2020-01-06 | 2020-01-06 | Middle-high voltage cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211351683U true CN211351683U (en) | 2020-08-25 |
Family
ID=72103630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020018815.3U Expired - Fee Related CN211351683U (en) | 2020-01-06 | 2020-01-06 | Middle-high voltage cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211351683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224513A (en) * | 2022-08-17 | 2022-10-21 | 国网山东省电力公司临沭县供电公司 | High-altitude cable connecting device |
-
2020
- 2020-01-06 CN CN202020018815.3U patent/CN211351683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224513A (en) * | 2022-08-17 | 2022-10-21 | 国网山东省电力公司临沭县供电公司 | High-altitude cable connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101371403B (en) | Coaxial cable connector | |
| US6402524B2 (en) | Data transfer system | |
| US4408822A (en) | Coaxial connectors | |
| CN104481517B (en) | A kind of intelligent drilling rod that can transmit power and signal | |
| GB1404515A (en) | Coaxial connector | |
| CN110748337B (en) | Coiled tubing measurement while drilling tool | |
| CN211351683U (en) | Middle-high voltage cable intermediate joint | |
| CN210806074U (en) | Aviation connector convenient to plug | |
| CN103840275A (en) | Coaxial cable connector reliable in clamping operation | |
| EP2093847A2 (en) | Adapter for a coaxial cable | |
| CN205920864U (en) | Transformer porcelain bushing subassembly | |
| CN104241945A (en) | Tension reinforcing type cable connector | |
| RU179962U1 (en) | Device for current supply to the electric drill while drilling wells | |
| CN209822988U (en) | High-reliability electric connector tail accessory | |
| CN210296047U (en) | Linear insulator | |
| CN110739659B (en) | High-voltage cable intermediate joint adopting gas or oil insulating medium | |
| CN210092474U (en) | Male joint for cable connection | |
| CN105281115A (en) | Temperature-resistant bearing electric connector capable of freely designing butt joint | |
| CN220857609U (en) | High-voltage down-lead cable terminal junction box | |
| CN217113868U (en) | High-performance composite shielded cable | |
| CN217720182U (en) | Two-core coaxial heavy-current high-voltage wet joint | |
| CN211183369U (en) | Fireproof cable joint | |
| CN201985286U (en) | Connector for leaky coaxial cable | |
| CN104064904A (en) | Tension-strengthened type cable connector and assembling technology of tension-strengthened type cable connector | |
| CN219456565U (en) | Optical fiber connector |
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: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |