CN116131041A - Mutually insulated electric connection structure - Google Patents
Mutually insulated electric connection structure Download PDFInfo
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- CN116131041A CN116131041A CN202310382858.8A CN202310382858A CN116131041A CN 116131041 A CN116131041 A CN 116131041A CN 202310382858 A CN202310382858 A CN 202310382858A CN 116131041 A CN116131041 A CN 116131041A
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- Prior art keywords
- sleeve
- sliding
- blocks
- shell
- insulating protective
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Connector Housings Or Holding Contact Members (AREA)
- Cable Accessories (AREA)
Abstract
The invention relates to the technical field of cables, in particular to an electric connection structure insulated from each other, which comprises: the insulation protection shell and be located the inside intermediate head of insulation protection shell, insulation protection shell is by the concatenation of two symmetrical shells. According to the mutually insulated electric connection structure, the driving mechanism is arranged to be matched with the connecting mechanism, after the connecting mechanism is used for fastening the connecting position of the electric joint and the middle connector, the driving mechanism is used for driving the connecting mechanism to continue moving, so that the connecting mechanism can fix the two shells to replace a plurality of screw fixing modes, meanwhile, the connecting mechanism is effectively contacted with the shells, a good sealing effect can be achieved inside the shells, and the connecting mechanism can fix the protective shell and has a good sealing effect.
Description
Technical Field
The invention relates to the field of cables, in particular to an electric connection structure insulated from each other.
Background
The cable is made of one or more conductors insulated from each other and an outer insulating protective layer, which can transmit power or information from one place to another, and is generally classified into a power cable, a control cable, etc., according to the use of the cable.
When the cable is used, the end parts of the two cables are often required to be connected together by using the cable connecting mechanism, so that the conduction between the two cables is realized, and when the connecting ends of the two cables are in the external environment, in order to prevent water or dust in the external environment from affecting the cable connection, the waterproof and dustproof protective shell is arranged at the connecting ends of the cables.
In the related art, the cable protection shell is formed by splicing two shells generally, when the cable protection shell is used, the connecting positions of the two cables need to be wrapped by the protection adhesive tape, a certain waterproof and dustproof effect is achieved, the shells are wrapped at the connecting end positions of the cables, and then the cables are fixed by screws along the circumferential sides of the splicing surfaces of the protection shells.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electric connection structure which is mutually insulated.
In order to achieve the above purpose, the invention adopts the following technical scheme: an electrically isolated electrical connection structure comprising: the insulation protection shell is formed by splicing two symmetrical shells, two ends of the middle connector, which are positioned in the insulation protection shell, are detachably connected with two cable joints, one ends of the two cable joints, which are opposite, are connected with cables in a conducting manner, and connecting mechanisms are arranged on the outer sides of the two cable joints and positioned in the insulation protection shell;
the connecting mechanism comprises two fastening thread sleeves which are sleeved on the outer sides of the corresponding cable connectors in a sliding mode, the two fastening thread sleeves are respectively in threaded connection with two ends of the surface of the middle connector, the surface of each fastening thread sleeve is rotationally connected with a connecting sleeve, the inner wall of each connecting sleeve is in threaded connection with a sliding connecting part, and the sliding connecting parts are in sliding sleeving connection with the surface of the cable connector along the extending direction of the cable connector;
the outside demountable installation of insulating protective housing has two be used for driving the synchronous rotatory drive mechanism of connecting sleeve drive the in-process that two connecting sleeve rotated is driven to drive to the drive mechanism two sliding connection part dorsad moves until with corresponding insulating protective housing inboard both ends form the contact extrusion.
Preferably, the inner wall of the fastening thread sleeve is provided with internal threads, and the two ends of the surface of the middle connector are provided with external threads mutually matched with the internal threads of the fastening thread sleeve.
Preferably, the outside of connecting sleeve is equipped with the external screw thread, the slip joint spare inside offer with the internal screw thread of connecting sleeve's external screw thread looks adaptation each other, the fastening thread bush is close to the one end fixed mounting of intermediate head has elastic sealing washer.
Preferably, the sliding connection part comprises a plurality of bevel block groups and a conical sliding sleeve arranged on the outer side of the connection sleeve in a threaded manner, one bevel block group is provided with two bevel blocks, two of the bevel block groups are respectively fixedly connected with the upper end and the lower end of the inner side wall of the shell, when the two bevel blocks are spliced together, the two bevel blocks on the shell are not identical, the two bevel blocks are attached together and form an isosceles trapezoid structure, tightening members are symmetrically and horizontally arranged at the upper end and the lower end of the conical sliding sleeve, tightening grooves matched with the bevel blocks are formed in the two ends of the top of the tightening member, when the tightening grooves are in sliding contact with the bevel blocks, the two bevel blocks can be extruded to be attached more tightly, the upper end and the lower end of the inner side wall of the conical sliding sleeve are fixedly connected with limit sliding blocks, the upper side and the lower side of the outer surface of the cable connector are respectively provided with limit grooves in sliding connection with the limit grooves in corresponding positions.
Preferably, the tightening member is close to the L-shaped locking member which is bent by ninety degrees and is horizontally and fixedly connected with one end of the middle connector, the vertical section of the locking member is vertically and fixedly connected with a locking clamping shaft, the sliding connecting member further comprises two connecting block groups, one connecting block group comprises two connecting blocks which are vertically and symmetrically and fixedly arranged at the upper end and the lower end of the inner side wall of the shell and are provided with through round holes, when the two connecting blocks are spliced together, the two connecting blocks which are not arranged on the same shell are in staggered fit together, and when the tightening groove is contacted with the inclined surface blocks, the locking clamping shaft is sequentially clamped in the round holes on the two connecting blocks.
Preferably, the conical surface side of the conical sliding sleeve is fixedly sleeved with a first sealing sleeve, after the tightening groove is completely contacted with the two inclined surface blocks, the outer side of the first sealing sleeve is tightly attached to the inner side wall of the insulation protection shell, the sliding connecting component further comprises a second sealing sleeve which is arranged at one end of the cable joint far away from the middle connector in a sliding sleeve mode, the second sealing sleeve is fixedly connected to the end portion of the conical sliding sleeve, the outer side of the second sealing sleeve is attached to the inner side wall of the insulation protection shell, the first sealing sleeve and the second sealing sleeve are made of rubber materials, a cavity is formed in the second sealing sleeve, gas is filled in the cavity, and when the conical sliding sleeve is contacted with the second sealing sleeve and is extruded, air movement in the cavity can promote the second sealing sleeve to expand.
Preferably, the driving mechanism comprises a rotating rod arranged along the length direction of the insulating protective shell, rotating gears are symmetrically and fixedly sleeved at two ends of the rotating rod, clamping blocks with clamping holes are fixedly connected to two ends of the rotating rod, the clamping holes on the clamping blocks face the insulating protective shell, a plurality of tooth grooves are uniformly distributed along the circumferential direction of the outer side of one end of the middle connector, which is close to the driving mechanism, two grooves are symmetrically formed in the outer side of the shell, two sliding cover plates for blocking the grooves are slidably mounted at the outer sides of the shell, clamping pins are fixedly connected to the outer surfaces of the sliding cover plates, the two clamping blocks are respectively clamped on the clamping pins on the surfaces of the sliding cover plates, and the two rotating gears are meshed with the two tooth grooves after penetrating through the two grooves respectively.
Preferably, the assembly surface of one of the shells is fixedly provided with a protective layer, and the assembly surface of the other shell is provided with a positioning groove, so that the protective layer is clamped in the positioning groove when the two shells are assembled together.
Preferably, the sockets at two ends of the middle connector are arranged to be hexagonal groove-shaped, the plugs at one end of the two cable connectors are arranged to be hexagonal prism-shaped structures, and the cable connectors are connected with the middle connector in a plugging mode.
Preferably, the positions, corresponding to the middle connectors, on the two inner shell walls of the insulating protective shell are fixedly connected with butt joint blocks, and the positions, corresponding to the butt joint blocks, on the two sides of the middle connectors are provided with butt joint grooves which are in butt joint fit with the butt joint blocks.
Compared with the prior art, the invention has the following beneficial effects:
(1) Through setting up driving mechanism and coupling mechanism cooperation and using, after using coupling mechanism to the electric joint with middle connector hookup location fastening, utilize driving mechanism to drive coupling mechanism's continued movement, make coupling mechanism can fix two casings, in order to replace a plurality of screw fixation modes, simultaneously, utilize effective contact between coupling mechanism and the casing, can play better sealed effect to the casing inside, make coupling mechanism when fixing the protective housing, still possess better sealed effect, make cable junction position be in sealed environment, just need not use the sticky tape to twine the protection to the cable, cable junction installation operation has been greatly simplified, it is very convenient when assembling or dismantling protective housing, operating speed has been accelerated greatly, operating time has been saved;
(2) Through setting up toper sliding sleeve, tightening part and inclined plane piece cooperation and using, when driving mechanism drive coupling mechanism continues to move about, utilize the fastening thread bush to continue to be close to the action with the further between the intermediate head, on the one hand, can extrude the sealing washer, make it take place deformation, can play fine sealed effect to fastening thread bush and intermediate head junction, prevent dust or water from entering into cable joint and intermediate head junction position from junction, on the other hand, fastening thread bush can synchronous drive locking piece and inclined plane piece contact when rotating, and make two inclined plane pieces laminating of promotion tighter, realize effective fixed between two casings, thereby replaced the bolt-up mode;
(3) Through setting up first seal cover and second seal cover and toper sliding sleeve cooperation and use, can extrude first seal cover and second seal cover respectively at conical surface sliding movement in-process, make both produce the deformation of different degree respectively, the sealed effect that is in and the conical surface side to insulating protective housing port has been promoted, the effectual outside dust or water of preventing enters into insulating protective housing's inside, make the insulating protective housing after the equipment possess better leakproofness, need not to use the sealing tape to increase the protective effect to cable junction position, when having guaranteed insulating protective housing and having had superior leakproofness, further simplified the protection operation to cable joint, be convenient for in the staff to insulating protective housing's installation and dismantlement operation.
Drawings
Fig. 1 is a schematic structural diagram of an insulated electrical connection structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the inside of the insulated electrical connection structure provided by the invention.
Fig. 3 is an enlarged partial schematic view of the portion a shown in fig. 2.
Fig. 4 is an enlarged partial schematic view of the portion b shown in fig. 2.
Fig. 5 is an exploded view of the electrical connection structure of the present invention insulated from each other.
Fig. 6 is a schematic structural diagram of the present invention between the housing and the connecting mechanism.
Fig. 7 is a schematic structural view of a sliding connection part in the present invention.
Fig. 8 is a schematic structural diagram of the driving mechanism and the sliding cover in the present invention.
Fig. 9 is a schematic view of the structure of the inner part of the housing according to the present invention.
Figure 10 is a schematic view of the structure of the inside of the second sealing sleeve according to the invention.
Figure 11 is a schematic explosion diagram of the invention between the fastening sleeve, the conical sliding sleeve of the connecting sleeve and the second sealing sleeve.
Fig. 12 is an exploded view of the cable connector and the intermediate connector according to the present invention.
In the figure: 1. An insulating protective housing; 2. a middle connector; 3. a connecting mechanism; 31. fastening a threaded sleeve; 32. a connecting sleeve; 33. a sliding connection member; 331. a set of bevel blocks; 332. a conical sliding sleeve; 333. a tightening member; 334. tightening the groove; 335. a first gland; 336. a locking member; 337. locking the clamping shaft; 338. a connection block group; 339. a limit sliding block; 34. a second gland; 35. a cavity; 36. a seal ring; 37. tooth slots; 4. a driving mechanism; 41. a rotating lever; 42. rotating the gear; 43. a clamping block; 5. a cable joint; 6. a groove; 7. sliding the cover plate; 8. a protective layer; 9. a positioning groove; 10. a limit groove; 11. a butt joint block; 12. and a butt joint groove.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-12 in combination, there is shown an insulated electrical connection structure comprising: the cable protection device comprises an insulation protection shell 1 and an intermediate connector 2 positioned in the insulation protection shell 1, wherein the insulation protection shell 1 is formed by splicing two symmetrical shells, openings are formed at two ends of the insulation protection shell 1 formed after the two shells are spliced, so that a cable can enter the insulation protection shell 1 conveniently, two ends of the intermediate connector 2 and two ends positioned in the insulation protection shell 1 are detachably and conductively connected with two cable connectors 5, one ends of the two cable connectors 5 opposite to each other are in conductive connection with the cable, the outer sides of the two cable connectors 5 and positioned in the insulation protection shell 1 are respectively provided with a connecting mechanism 3, and the insulation protection shell 1 is formed according to the shape adaptation formed after the cable connectors 5, the intermediate connector 2 and the connecting mechanisms 3 are connected, so that the connecting parts of the two cable connectors 5 are wrapped in the insulation protection shell 1, and a good protection effect is achieved;
the connecting mechanism 3 comprises two fastening thread sleeves 31 which are sleeved on the outer sides of the corresponding cable joints 5 in a sliding manner, the two fastening thread sleeves 31 are respectively in threaded connection with two ends of the surface of the middle connector 2, the surface of the fastening thread sleeve 31 is rotationally connected with a connecting sleeve 32, the inner wall of the connecting sleeve 32 is in threaded connection with a sliding connection part 33, and the sliding connection part 33 is in sliding sleeve connection with the surface of the cable joint 5 along the extending direction of the cable joint 5;
the outside of the insulating protective housing 1 is detachably provided with a driving mechanism 4 for driving the two connecting sleeves 32 to synchronously rotate, and in the process that the driving mechanism 4 drives the two connecting sleeves 32 to rotate, the threads drive the two sliding connecting parts 33 to move back until contact extrusion is formed with the two ends of the inner side of the corresponding insulating protective housing 1.
In order to solve the problems that when the insulating protective shell 1 is fixed, the fixing operation is complicated by using a plurality of screws, and the time spent on assembling or disassembling the insulating protective shell 1 is long, the invention is used by arranging the insulating protective shell 1, the cable connector 5 and the connecting mechanism 3 in a matched way, and the working process is that firstly, a plug of one cable connector 5 is spliced with a socket at the end part of the middle connector 2 to connect and conduct the cable connector 5 and the middle connector 2, then the connecting mechanism 3 is rotated to connect the connecting mechanism 3 with the middle connector 2, and under the further connecting action of the connecting mechanism 3 and the middle connector 2, the cable connector 5 is not easy to separate from the middle connector 2, then the other cable connector 5 is connected with the other end of the middle connector 2 according to the operation, after the assembly is finished, then two shells are arranged at the joint of the two cable joints 5 and the middle connector 2, so that the two cable joints 5, the middle connector 2 and the two connecting mechanisms 3 are all positioned inside the insulating protective shell 1, then the driving mechanism 4 is arranged at the outer side of one of the shells, so that the driving mechanism 4 can be connected with the connecting mechanism 3, then the driving mechanism 4 is manually driven, the connecting mechanism 3 can continuously move in the insulating protective shell 1, at the moment, the connecting mechanism 3 can be simultaneously connected with the two shells, the two shells are fixed through the connecting mechanism 3, so that the two shells can be kept in a fastening state, under the matched use between the connecting mechanism 3 and the driving mechanism 4, the connecting mechanism 3 not only has a further fixing function on the cable joints 5, but also can continuously move through the connecting mechanism 3, the two shells can be fixed, so that the two shells are kept in a fastening state, a plurality of screws are omitted from being used for fixing the two shells one by one along the periphery of the shells, the operation of assembling the insulating protective shell 1 is simplified, the protective shell is quite convenient to assemble or disassemble, the operation speed is greatly increased, and the operation time is saved.
As an embodiment of the present invention, the connection mechanism 3 includes a fastening thread bush 31 slidably sleeved on the outer side of the cable joint 5, an internal thread is provided on the inner side of the fastening thread bush 31, the internal thread is adapted to an external thread at the end of the intermediate connector 2, so that connection between the fastening thread bush 31 and the intermediate connector 2 can be achieved, one end of the fastening thread bush 31 far away from the intermediate connector 2 is fixedly connected with a connection sleeve 32 slidably sleeved on the outer side of the cable joint 5, the diameter of the connection sleeve 32 is smaller than that of the fastening sleeve, an external thread is provided on the outer side of the connection sleeve 32, a sliding connection part 33 for connection with the insulation protection casing 1 is provided on the outer side of the connection sleeve 32, the external thread is adapted to the sliding connection part 33, when the connection sleeve 32 rotates along with the fastening thread bush 31, the sliding connection part 33 can be driven to move synchronously and oppositely, an elastic sealing ring 36 is fixedly mounted at one end of the fastening thread bush 31 near the intermediate connector 2, and when the fastening thread bush 31 is driven to rotate by a rotation gear 42, the sealing ring 36 can be compressed;
after the cable joint 5 is connected with the middle connector 2, the connecting mechanism 3 is required to be used for connecting with the middle connector 2 so as to increase the connection stability between the cable joint 5 and the middle connector 2, the working process is that the port of the cable joint 5 is close to the port of the middle connector 2 by sliding the fastening thread sleeve 31, then the fastening thread sleeve 31 is manually rotated to gradually be in threaded connection with the surface of the middle connector 2, the connection stability between the cable joint 5 and the middle connector 2 is ensured, after the insulating protective shell 1 is covered, the driving mechanism 4 drives the two connecting sleeves 32 to rotate, the threads drive the two sliding connecting parts 33 to move back, and the two sliding connecting parts 33 move back until the two sliding connecting parts form contact extrusion with the two ends corresponding to the inner side of the insulating protective shell 1 to stop rotating the fastening thread sleeve 31, at the moment, the stable connection between the connecting mechanism 3 and the middle connector 2 is completed, the cable joint 5 and the middle connector 2 can be effectively prevented from being separated, and the connection firmness of the two is ensured;
an upper sealing ring 36 is arranged at the end part of the fastening thread bush 31, and after the fastening thread bush 31 is in threaded connection with the middle connector 2, a gap between the fastening thread bush 31 and the middle connector 2 can be plugged through the sealing ring 36, so that the tightness is ensured.
As an embodiment of the present invention, the sliding connection part 33 includes two bevel block groups 331 and a tapered sliding sleeve 332 screwed on the outer side of the connection sleeve 32, one bevel block group 331 has two bevel blocks, and the two bevel blocks in one bevel block group 331 are fixedly connected with the upper and lower ends of the inner side wall of the shell respectively, when the two shells are spliced together, the two bevel blocks which are not on the same shell are attached together and form an isosceles trapezoid structure, the upper and lower ends of the tapered sliding sleeve 332 are symmetrically and horizontally provided with tightening members 333, both ends of the top of the tightening member 333 are respectively provided with tightening grooves 334 matched with the bevel blocks, when the tightening grooves 334 are in sliding contact with the bevel blocks, the two bevel blocks can be pressed to be attached more tightly, the upper and lower ends of the inner side wall of the tapered sliding sleeve 332 are fixedly connected with limit sliding blocks 339, the upper and lower sides of the outer surface of the cable joint 5 are respectively provided with limit grooves 10, the two limit sliding blocks are respectively in sliding connection with the two limit grooves 10, the two limit blocks can play a limit role in the tapered sliding sleeve 332, and when the connection sleeve 32 rotates, the tapered sliding sleeve 332 can slide horizontally along the surface of the cable joint 5;
when the driving mechanism 4 is used for driving the connecting sleeve 32 to rotate inside the insulating protective shell 1, in order to realize effective connection between the sliding connecting part 33 and the protective shell, the two shells can be fixed together, when the driving mechanism 4 further drives the fastening thread sleeve 31 to rotate, the fastening thread sleeve 31 can drive the connecting sleeve 32 to synchronously rotate, the external thread on the connecting sleeve 32 can drive the conical sliding sleeve 332 to slide in a direction away from the middle connector 2, the two tightening grooves 334 on the tightening member 333 are gradually close to two bevel blocks which are jointed together, and meanwhile, extrusion force is generated on the two bevel blocks, so that the two bevel blocks are jointed more tightly, the positions of the two shells located at the bevel blocks can be kept in a tight joint state, so that the fixed state between the two shells is kept, the fastening thread sleeve 31 is utilized to continue to further approach the middle connector 2, and the connecting sleeve 32 can synchronously drive the locking member to contact with the bevel blocks when rotating, and the two bevel blocks are jointed more tightly, so that effective fixation between the two shells is realized.
As an embodiment of the present invention, one end of the tightening member 333, which is close to the middle connector 2, is horizontally and fixedly connected with an L-shaped locking member 336 bent at ninety degrees, a vertical section of the locking member 336 is vertically and fixedly connected with a locking clamping shaft 337, the sliding connection member 33 further comprises two connection block groups 338, one connection block group 338 comprises two connection blocks which are vertically and symmetrically and fixedly arranged at the upper end and the lower end of the inner side wall of the shell and are provided with through round holes, when the two shells are spliced together, the two connection blocks which are not arranged on the same shell are laminated together in a staggered manner, and when the tightening groove 334 is contacted with the inclined plane block, the locking clamping shaft 337 can be sequentially clamped in the round holes on the two connection blocks;
when the connecting mechanism 3 is used for fastening the insulating protective shell 1, in order to enable the shell to be close to the middle connector 2 and also keep a tight connection state, through arranging the locking piece on the tightening piece 333, the specific use process is that when the tightening piece 333 is gradually contacted with the inclined plane block, the locking piece moves synchronously along with the tightening piece 333, so that the locking clamping shaft 337 on the tightening piece can be gradually clamped in the round holes on the connecting blocks until the tightening piece 333 stops moving, the locking clamping shaft 337 just penetrates through the round holes on the two connecting blocks, the locking effect can be achieved on the two connecting blocks, the shell is further enabled to be in the position of the connecting blocks and also keep tight connection, the fixing effect of the connecting mechanism 3 is remarkably improved, and the connection stability between the two shells is further improved.
As an embodiment of the present invention, the conical surface side of the conical sliding sleeve 332 is fixedly sleeved with the first sealing sleeve 335, when the tightening groove 334 is completely contacted with the two inclined surface blocks, the outer side of the first sealing sleeve 335 is tightly attached to the inner side wall of the insulation protection shell 1, the sliding connection component 33 further comprises a second sealing sleeve 34 which is slidably sleeved at one end of the cable joint 5 far away from the middle connector 2, the outer side of the second sealing sleeve 34 is attached to the inner side wall of the insulation protection shell 1, the first sealing sleeve 335 and the second sealing sleeve 34 are made of rubber materials, a cavity 35 is arranged in the second sealing sleeve 34, the cavity 35 is filled with gas, and when the conical sliding sleeve 332 is contacted with the second sealing sleeve 34 and extrudes the second sealing sleeve 34, the air in the cavity 35 can be enabled to promote the expansion of the second sealing sleeve 34;
in order to play a good role in waterproof the joint of the cable joint 5 and the middle connector 2, the first sealing sleeve 335 and the second sealing sleeve 34 are arranged to be matched for use, so that the connecting mechanism 3 not only has the fastening effect on two shells, but also can improve the tightness inside the insulation protection shell 1, the use process of the first sealing sleeve 335 and the second sealing sleeve 34 is that before the insulation protection shell 1 is installed, the first sealing sleeve 335 is sleeved at the conical surface side position of the conical sliding sleeve 332, then the second sealing sleeve 34 is sleeved at one end of the cable joint 5 far away from the fastening thread sleeve 31, then the insulation protection shell 1 is installed, the second sealing sleeve 34 is positioned at the end position of the insulation protection shell 1, and after the outer side of the second sealing sleeve 34 is attached to the inner side wall of the insulation protection shell 1, the conical sliding sleeve 332 is driven by threads of the connecting sleeve 32, the first sealing sleeve 335 is attached to the conical surface side of the inner side wall of the insulation protection shell 1, so that the conical surface position of the insulation protection shell 1 can be well sealed, the end part of the conical sliding sleeve 332, which is close to the conical surface side, synchronously presses the second sealing sleeve 34, so that air in the hollow cavity 35, which is close to the conical sliding sleeve 332, is pushed to the other end of the hollow cavity 35, further the second sealing sleeve 34 is promoted to expand, the contact between the inner side and the outer side of the expanded second sealing sleeve 34 and the cable joint 5 as well as the inner side wall of the insulation protection shell 1 is tighter, the sealing effect of the second sealing sleeve 34 on the position of the body of the insulation protection shell 1 is improved, the first sealing sleeve 335 and the second sealing sleeve 34 are matched with the conical sliding sleeve 332 to be used, the first sealing sleeve 335 and the second sealing sleeve 34 can be respectively pressed in the conical sliding movement process, the sealing structure has the advantages that the sealing structure is characterized in that the sealing structure is capable of enabling the sealing structure to deform to different degrees respectively, further improving sealing effect on the port and the conical surface side of the insulating protective shell 1, effectively preventing external dust or water from entering the insulating protective shell 1, enabling the insulating protective shell 1 to have better sealing performance after being assembled, avoiding using a sealing adhesive tape to increase the protection effect, guaranteeing that the insulating protective shell 1 has superior sealing performance, further simplifying the protection operation on the cable connector 5, and facilitating the installation and disassembly operation of workers on the insulating protective shell 1.
As an embodiment of the invention, the driving mechanism 4 comprises a rotating rod 41 arranged along the length direction of the insulation protection shell 1, rotating gears 42 are symmetrically and fixedly sleeved at two ends of the rotating rod 41, clamping blocks 43 with clamping holes are fixedly connected to two ends of the rotating rod 41, the clamping holes on the clamping blocks 43 are arranged towards the insulation protection shell 1, a plurality of tooth sockets 37 are uniformly distributed along the circumferential direction of the outer side of one end, close to the middle connector 2, of the fastening thread sleeve 31, two grooves 6 are symmetrically formed in the outer side, close to the shell of the driving mechanism 4, of the shell, sliding cover plates 7 for blocking the grooves 6 are slidably mounted at positions, close to the two grooves 6, of the outer side of the shell, clamping pins are fixedly connected to the outer surfaces of the sliding cover plates 7, the two clamping blocks 43 are respectively clamped on the clamping pins on the surfaces of the two sliding cover plates 7, and the two rotating gears 42 are meshed with the two tooth sockets 37 after penetrating through the two grooves 6 respectively;
after the insulating protective shell 1 is installed outside the cable joint 5, the driving mechanism 4 is used to drive the connecting mechanism 3 to continue moving so as to realize the connection between the connecting mechanism 3 and the protective shell, and when the driving mechanism 4 is used, because the driving mechanism 4 is separated from the insulating protective shell 1, the driving mechanism 4 needs to be installed on the insulating protective shell 1 first, the sliding cover plate 7 needs to be slid first when the driving mechanism 4 is installed, the groove 6 is in an open state, the sliding cover plate 7 just corresponds to the positions of the two clamping blocks 43, then the clamping blocks 43 are clamped with the clamping pins on the sliding cover plate 7, meanwhile, the rotating gear 42 extends to the inside of the insulating protective shell 1 through the groove 6, when the clamping blocks 43 just are clamped with the sliding cover plate 7, the rotating gear 42 is meshed with the tooth grooves 37, at the moment, the whole driving mechanism 4 can be stably arranged on the outer side of the insulating protective shell 1, then, the rotating rod 41 is manually rotated to drive the two rotating gears 42 to rotate, the connecting sleeve 32 synchronously rotates along with the rotating gears 42, the screw threads drive the conical sliding sleeve 332 to continuously slide, the fastening and sealing effects on the shell are realized, after the driving mechanism 4 is used, the driving mechanism 4 is detached from the insulating protective shell 1, then, the sliding cover plate 7 is manually pushed to seal the groove 6, then, the sealant is uniformly coated on the periphery of the sliding cover plate 7, the position of the groove 6 is kept sealed and the position of the sliding cover plate 7 is fixed, if the insulating protective shell 1 is required to be dismounted later, the coated sealant is only required to be removed, then, the sliding cover plate 7 is pushed, the opening state of the groove 6 is realized, and then the driving mechanism 4 is used for driving the connecting mechanism 3 to move, the shell is fastened, the insulating protective shell 1 can be detached, the driving mechanism 4 is detachably connected with the insulating protective shell 1, after the driving mechanism 4 is used, the driving mechanism 4 can be detached independently, on one hand, the gravity burden of the insulating protective shell 1 cannot be increased, and on the other hand, the insulating protective shell can be matched with a plurality of insulating protective shells 1 respectively for use, so that the use is more flexible.
As one embodiment of the invention, the assembly surface of one shell is fixedly provided with the protective layer 8, the assembly surface of the other shell is provided with the positioning groove 9, the protective layer 8 is made of rubber, when the two shells are assembled together, the protective layer 8 is clamped in the positioning groove 9, in order to ensure the tightness of the spliced surface after the two shells are spliced, the positioning groove 9 and the protective layer 8 are arranged for being matched for use, and when the two shells are spliced, the protective layer 8 is extruded and deformed, the positioning groove 9 is filled, and the spliced position of the shells is effectively sealed.
As an embodiment of the invention, the sockets at the two ends of the middle connector 2 are arranged into a hexagonal groove shape, the plugs at one ends of the two cable connectors 5 are arranged into a hexagonal prism structure, the cable connectors 5 are connected with the middle connector 2 in a plugging manner, and the hexagonal prism-shaped plugs are arranged, so that the plugs and the sockets can be prevented from rotating relatively after being connected, and the stability of the two plugs in connection is improved.
As an embodiment of the invention, the positions of the two inner walls of the insulating protective shell 1 corresponding to the middle connector 2 are fixedly connected with the butt joint blocks 11, and the positions of the two sides of the middle connector 2 corresponding to the butt joint blocks 11 are provided with butt joint grooves 12 which are in butt joint fit with the butt joint blocks 11; when two shells of two insulating protective housings 1 are covered, the butt joint block 11 is spliced and butted with the butt joint groove 12, so that the relative positions of the two shells of the insulating protective housings 1 and the middle connector 2 are limited, and the insulating protective housings can be conveniently and accurately butted at the later stage.
The working principle of the invention is as follows:
step one: when two cables are connected, two cable joints 5 are connected with the middle connector 2;
step two: then, the fastening thread bush 31 is manually rotated again, so that the fastening thread bush 31 is connected with the middle connector 2 until the sealing ring 36 is contacted with the middle connector 2;
step three: then, the first sealing sleeve 335 is sleeved at the conical surface side position of the conical sliding sleeve 332, the second sealing sleeve 34 is sleeved at one end of the cable joint 5, which is far away from the fastening thread sleeve 31, and the insulating protective shell 1 is installed;
step four: the driving mechanism 4 is arranged on the insulating protective shell 1, and the connecting mechanism 3 is driven to continue to move through the driving mechanism 4, so that the connecting mechanism 3 moves further and is finally connected with the insulating protective shell 1;
step five: finally, the driving mechanism 4 is disassembled, then the sliding cover plate 7 is manually pushed to seal the groove 6, and the sealing glue is uniformly coated on the periphery of the sliding cover plate 7, so that the position of the groove 6 is kept sealed and the position of the sliding cover plate 7 is fixed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. An electrically isolated electrical connection structure comprising: the novel cable connector comprises an insulating protective shell (1) and an intermediate connector (2) positioned in the insulating protective shell (1), wherein the insulating protective shell (1) is formed by splicing two symmetrical shells, two ends of the intermediate connector (2) are detachably connected with two cable connectors (5) in a conducting manner, and one opposite ends of the two cable connectors (5) are connected with cables in a conducting manner, and the novel cable connector is characterized in that the outer sides of the two cable connectors (5) are positioned in the insulating protective shell (1) and are provided with connecting mechanisms (3);
the connecting mechanism (3) comprises two fastening thread sleeves (31) which are sleeved on the outer sides of the corresponding cable connectors (5) in a sliding mode, the two fastening thread sleeves (31) are respectively in threaded connection with two ends of the surface of the middle connector (2), the surface of each fastening thread sleeve (31) is rotationally connected with a connecting sleeve (32), the inner wall of each connecting sleeve (32) is in threaded connection with a sliding connecting part (33), and the sliding connecting parts (33) are in sliding sleeving connection with the surface of the cable connector (5) along the extending direction of the cable connector (5);
the outside demountable installation of insulating protective casing (1) is used for driving two connecting sleeve (32) synchronous rotation's drive mechanism (4) two in-process that connecting sleeve (32) rotated, screw thread drive two sliding connection part (33) move dorsad until with corresponding insulating protective casing (1) inboard both ends form contact extrusion.
2. The mutually insulated electric connection structure according to claim 1, wherein the inner wall of the fastening thread sleeve (31) is provided with internal threads, and two ends of the surface of the intermediate connector (2) are provided with external threads mutually matched with the internal threads of the fastening thread sleeve (31).
3. An electrical connection structure insulated from each other according to claim 2, wherein the outer side of the connecting sleeve (32) is provided with external threads, the sliding connecting member (33) is internally provided with internal threads matching with the external threads of the connecting sleeve (32), and the fastening thread sleeve (31) is fixedly provided with an elastic sealing ring (36) near one end of the intermediate connector (2).
4. The mutually insulated electrical connection structure according to claim 1, wherein the sliding connection component (33) comprises a plurality of bevel block groups (331) and a conical sliding sleeve (332) which is arranged on the outer side of the connecting sleeve (32) in a threaded manner, one bevel block group (331) is provided with two bevel blocks, two bevel blocks in the bevel block group (331) are respectively fixedly connected with the upper end and the lower end of the inner side wall of the shell, when the two shells are spliced together, the two bevel blocks which are not arranged on the same shell are attached together and form an isosceles trapezoid structure, tightening members (333) are symmetrically arranged at the upper end and the lower end of the conical sliding sleeve (332), tightening grooves (334) which are matched with the bevel blocks are respectively formed at the two ends of the top of the tightening members (333), when the tightening grooves (334) are in sliding contact with the bevel blocks, the two bevel blocks can be extruded to be more tightly, the upper end and the lower end of the inner side wall of the conical sliding sleeve (332) is fixedly connected with the upper end and the lower end of the inner side wall of the shell, the two limiting grooves (339) are respectively connected with the two limiting grooves (10) in a sliding mode, and the limiting positions (339) are correspondingly arranged on the two limiting grooves (10).
5. The mutually insulated electric connection structure according to claim 4, wherein one end of the tightening member (333) close to the middle connector (2) is horizontally and fixedly connected with an L-shaped locking member (336) bent by ninety degrees, a vertical section of the locking member (336) is vertically and fixedly connected with a locking clamping shaft (337), the sliding connection member (33) further comprises two connection block groups (338), one connection block group (338) comprises two connection blocks which are vertically and symmetrically and fixedly arranged at the upper end and the lower end of the inner side wall of the shell and are provided with through round holes, when the two shells are spliced together, the two connection blocks which are not arranged on the same shell are staggered and attached together, and when the tightening groove (334) is contacted with the inclined surface blocks, the locking clamping shaft (337) is sequentially clamped in the round holes on the two connection blocks.
6. The mutually insulated electric connection structure according to claim 4, wherein a first sealing sleeve (335) is fixedly sleeved on the conical surface side of the conical sliding sleeve (332), after the tightening groove (334) is completely contacted with two inclined surface blocks, the outer side of the first sealing sleeve (335) is tightly attached to the inner side wall of the insulating protective housing (1), the sliding connection component (33) further comprises a second sealing sleeve (34) which is slidably sleeved on one end, far away from the middle connector (2), of the cable connector (5), the outer side of the second sealing sleeve (34) is attached to the inner side wall of the insulating protective housing (1), the first sealing sleeve (335) and the second sealing sleeve (34) are made of rubber materials, a cavity (35) is formed in the second sealing sleeve (34), the cavity (35) is filled with gas, and when the conical sliding sleeve (332) is contacted with the second sealing sleeve (34) and is extruded, the air in the cavity (35) can promote the movement of the second sealing sleeve (34).
7. The mutually insulated electric connection structure according to claim 2, wherein the driving mechanism (4) comprises a rotating rod (41) arranged along the length direction of the insulating protective housing (1), rotating gears (42) are symmetrically and fixedly sleeved at two ends of the rotating rod (41), clamping blocks (43) with clamping holes are fixedly connected to two ends of the rotating rod (41), the clamping holes on the clamping blocks (43) are arranged towards the insulating protective housing (1), a plurality of tooth grooves (37) are uniformly distributed along the circumferential direction outside one end of the fastening thread sleeve (31) close to the middle connector (2), two grooves (6) are symmetrically formed in the outside of the housing close to the driving mechanism (4), sliding cover plates (7) for blocking the grooves (6) are slidably mounted at the positions of the outside of the housing, clamping pins are fixedly connected to the outer surfaces of the sliding cover plates (7), the two clamping blocks (43) are respectively clamped on the outer surfaces of the two sliding cover plates (7), and the two tooth grooves (37) are meshed with the two sliding cover plates (6).
8. The mutually insulated electric connection structure according to claim 1, wherein a protective layer (8) is fixedly arranged on the assembly surface of one of the shells, and a positioning groove (9) is formed on the assembly surface of the other shell, so that the protective layer (8) is clamped in the positioning groove (9) when the two shells are assembled together.
9. An electrical connection structure according to claim 1, characterized in that the sockets at the two ends of the intermediate connector (2) are arranged as hexagonal grooves, the plugs at one end of two cable connectors (5) are arranged as hexagonal prism structures, and the cable connectors (5) are connected with the intermediate connector (2) in a plugging manner.
10. The mutually insulated electric connection structure according to claim 1, wherein the positions of the two shell inner walls of the insulating protective shell (1) corresponding to the middle connector (2) are fixedly connected with a butt joint block (11), and the positions of the two sides of the middle connector (2) corresponding to the butt joint block (11) are provided with butt joint grooves (12) in butt joint fit with the butt joint block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310382858.8A CN116131041B (en) | 2023-04-12 | 2023-04-12 | Mutually insulated electric connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310382858.8A CN116131041B (en) | 2023-04-12 | 2023-04-12 | Mutually insulated electric connection structure |
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| CN116131041A true CN116131041A (en) | 2023-05-16 |
| CN116131041B CN116131041B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310382858.8A Active CN116131041B (en) | 2023-04-12 | 2023-04-12 | Mutually insulated electric connection structure |
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| CN116722394A (en) * | 2023-08-10 | 2023-09-08 | 山东众诚新能源股份有限公司 | Cable with protection regulation and control assembly and vehicle air conditioner |
| CN116914491A (en) * | 2023-09-11 | 2023-10-20 | 陕西四菱电子科技股份有限公司 | Integrated connector |
| CN117393211A (en) * | 2023-10-20 | 2024-01-12 | 湖南麓源电力建设有限公司 | Anti-aging flexible cable |
| CN117613603A (en) * | 2024-01-22 | 2024-02-27 | 四川省川河盛鑫电力工程有限公司 | Wire connection box |
| CN117895418A (en) * | 2024-03-14 | 2024-04-16 | 山东万博科技股份有限公司 | Communication cable joint protector |
| CN117895418B (en) * | 2024-03-14 | 2024-05-31 | 山东万博科技股份有限公司 | Communication cable joint protector |
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| CN117895418A (en) * | 2024-03-14 | 2024-04-16 | 山东万博科技股份有限公司 | Communication cable joint protector |
| CN117895418B (en) * | 2024-03-14 | 2024-05-31 | 山东万博科技股份有限公司 | Communication cable joint protector |
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