CN117410778A - Underwater pre-tightening device and pre-tightening method for electric connector - Google Patents
Underwater pre-tightening device and pre-tightening method for electric connector Download PDFInfo
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- CN117410778A CN117410778A CN202311725264.9A CN202311725264A CN117410778A CN 117410778 A CN117410778 A CN 117410778A CN 202311725264 A CN202311725264 A CN 202311725264A CN 117410778 A CN117410778 A CN 117410778A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 50
- 238000001125 extrusion Methods 0.000 claims description 33
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- 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
-
- 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
-
- 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
- H01R13/5213—Covers
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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
-
- 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
- H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
-
- 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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
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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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the technical field of electric connectors, in particular to an underwater pre-tightening device and a pre-tightening method of an electric connector, wherein the underwater pre-tightening device comprises a first connector and a second connector, a first sleeve is fixedly connected to the first connector, a second sleeve is fixedly connected to the second connector, a plurality of jacks are formed in one side end face of the first connector, and a plurality of contact pins are fixedly connected to one side end face of the second connector; a plurality of seal assemblies, each for preventing water flow into the interior of the receptacle. The invention can realize the pre-tightening connection of the first connector and the second connector, can effectively avoid the occurrence of the connection loosening condition of the first connector and the second connector, realizes the automatic locking when the first connector and the second connector are connected, has convenient operation, can prevent water flow from entering the jack, avoids the phenomena of electric leakage and short circuit, and is beneficial to the use of the electric connector.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to an underwater pre-tightening device and a pre-tightening method of an electric connector.
Background
With the continuous development of society and continuous progress of technology, technologies related to electric connectors are also continuously improved, various underwater instruments and equipment need to be powered and related data transmission and the like, and at present, electric connectors are generally adopted to realize electric signal connection among the underwater various instruments and equipment.
The publication number is CN111048945A discloses an underwater pluggable electric connector, and through optimization of a structure and a control system, when an electric connector of a socket plug is in contact with a water body, under the condition that sealing insulation is not realized, the electric connector is connected in an uncharged state, and only when the electric connector is connected to be isolated from an external water body, sealing insulation is realized.
At present, when the electric connector is directly spliced with the second connector in the underwater connection process, the phenomenon of looseness is easy to appear in the follow-up process, and in the process that first connector and second connector are connected, rivers enter into the jack easily, lead to appearing the phenomenon of electric leakage or short circuit, are unfavorable for electric connector's use.
Disclosure of Invention
The invention aims to solve the defects in the prior art that in the process of underwater connection of an electric connector, when a first connector and a second connector are directly spliced, the phenomenon of loosening is easy to occur later, and in the process of connection of the first connector and the second connector, water flow easily enters into an insertion hole, so that the phenomenon of electric leakage or short circuit occurs, and the use of the electric connector is not facilitated.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the underwater pre-tightening device of the electric connector comprises a first connector and a second connector, wherein a first sleeve is fixedly connected to the first connector, a second sleeve is fixedly connected to the second connector, a plurality of jacks are formed in one side end face of the first connector, and a plurality of contact pins are fixedly connected to one side end face of the second connector;
a plurality of sealing assemblies, each sealing assembly is used for preventing water flow from entering the inside of the jack, each sealing assembly comprises a sealing sheet which is arranged inside the jack in a sliding manner, and the sealing sheets are connected with the inner wall of the jack through a first spring;
the device comprises a plurality of limiting assemblies, wherein each limiting assembly is used for firmly connecting a first sleeve with a second sleeve, each limiting assembly comprises a cross rod arranged on the first sleeve in a sliding mode, a slot used for installing the cross rod is formed in the first sleeve, a rectangular opening used for connecting the cross rod is formed in the second sleeve, a plug rod is slidably connected in the rectangular opening, a sliding block is slidably connected onto the cross rod, a plurality of clamping blocks are connected onto the sliding block through reset springs, and the clamping blocks are connected through two limiting pieces and are connected with the cross rod in a clamping mode.
As a preferable scheme, each cross rod is provided with a groove for installing the sliding block, the cross section of each groove is in an inverted-convex shape, the cross section of each sliding block is in a concave shape, a second spring is arranged in each groove, one end of each second spring is fixedly connected with the sliding block, and the other end of each second spring is fixedly connected with the inner wall of each groove.
As a preferable scheme, a plurality of clamping blocks are fixedly connected with the corresponding two limiting pieces, the two limiting pieces are respectively arranged on the upper side and the lower side of the sliding block, and the upper end face of the inserted link is attached to the lower surface of the corresponding limiting piece.
As a preferable scheme, a plurality of annular grooves are formed in one side end face of the second connector, an annular sleeve is slidably installed in each annular groove, the annular sleeve is sleeved on the outer side of the contact pin, a third spring is fixedly connected to one side inner wall of each annular groove, and the third spring is fixedly connected with the surface of the annular sleeve.
As a preferred scheme, every all fixedly connected with extrusion piece is sheathe in to the annular, the transversal right trapezoid setting of personally submitting of extrusion piece, set up the circular slot on the second sleeve, the circular slot with all set up on the ring channel and be used for extrusion piece horizontal migration's opening, every the one end of inserted bar all with correspond the inclined surface of extrusion piece is laminated mutually.
As a preferable scheme, a fourth spring is sleeved on the inserted link, one end of the fourth spring is fixedly connected with the inner wall of the circular groove, the other end of the fourth spring is fixedly connected with the inserted link, a sealing ring is fixedly connected with the inner wall of one side of each rectangular opening, and the sealing ring is sleeved on the outer side of the inserted link.
As a preferred scheme, a plurality of elastic blocks which are equidistantly arranged are fixedly connected in the circular groove, a plurality of elastic blocks are connected through an annular sealing plate, a rubber block with a circular cross section arranged is fixedly connected at one end of the first sleeve, and the end face of the rubber block is attached to the surface of the annular sealing plate.
As a preferable scheme, each slot is internally and fixedly connected with a fixing rod, the cross rod is in sliding connection with the fixing rod, a fifth spring is sleeved on the fixing rod, one end of the fifth spring is fixedly connected with the fixing rod, and the other end of the fifth spring is fixedly connected with the cross rod.
As a preferred scheme, the annular cavity has been seted up on the first sleeve, sliding connection has the annular piece in the annular cavity, sliding connection has a plurality of squeeze bars on the annular cavity, every the up end of squeeze bar all with correspond the surface laminating of horizontal pole mutually, the lower extreme of squeeze bar articulates there is the articulated pole, the articulated pole with the annular piece is articulated, one side inner wall threaded connection in annular cavity has the threaded rod, the threaded rod with the annular piece rotates to be connected.
A pre-tightening method of an underwater pre-tightening device of an electric connector comprises the following steps:
s1: one end of the first connector and one end of the second connector face to face, then the distance between the first connector and the second connector is reduced, and one end of each contact pin on the second connector is respectively contacted with the surface of the corresponding sealing piece;
s2: continuously pushing the two first connectors and the two second connectors to reduce the distance between the two first connectors and the two second connectors, wherein in the process that one end of each contact pin is inserted into the jack, the sealing piece slides into the jack, and the annular sleeve is contracted into the annular groove;
s3: in the process that the first sleeve moves towards the direction close to the second sleeve, one end of the rubber block stretches into the circular groove, water flow can be prevented from flowing between the annular sealing plate and the rubber block, and the rubber block can also carry out tight connection treatment on the joint of the end faces of the first joint and the second joint;
s4: in the process that one end of the cross rod extends into the rectangular opening, the end face of the sliding block is attached to the inner wall of the rectangular opening, and when the cross rod continues to extend into the rectangular opening, the sliding block and the cross rod slide relatively;
s5: the extrusion piece extrudes the inserted bar along with the in-process that the annular sleeve removed, extrudes spacing piece after the inserted bar removes, and then makes each fixture block and horizontal pole carry out the joint, realizes the pretension connection to first joint and second joint.
Compared with the prior art, the invention has the beneficial effects that:
1. when the clamping blocks are clamped with the cross bars, the cross bars and the second sleeves can be prevented from being separated, the first sleeves and the second sleeves can be further firmly connected, the pre-tightening connection of the first connector and the second connector is realized, the connection strength of the first connector and the second connector can be increased under the matched use of the cross bars and the inserted bars, the occurrence of the connection loosening condition of the first connector and the second connector can be effectively avoided, the automatic locking of the first connector and the second connector during connection is realized, the operation is convenient, the sealing piece can prevent water flow from entering the jack, the phenomena of electric leakage and short circuit are avoided, and the use of the electric connector is facilitated;
2. the rubber block is partially stretched into the circular groove, so that water flow can be prevented from flowing between the annular sealing plate and the rubber block, tight connection treatment can be performed on the connection position of the end faces of the first connector and the second connector, the sealing performance during connection is improved, the annular sealing plate can effectively prevent water flow from entering the extrusion block, the first connector and the second connector can be effectively connected, and leakage or short circuit can be prevented;
3. when the extrusion rod moves against the surface of the cross rod, the limiting piece can be separated from one end of the inserted rod, the clamping block is not connected with the cross rod in a clamping mode under the action of the reset spring, and at the moment, each cross rod can be taken out of the rectangular opening so that the first connector and the second connector can be separated for maintenance and other treatment, and the operation is simple, convenient and rapid.
Drawings
Fig. 1 is a schematic front partial structure of an underwater pretensioning device of an electrical connector according to the present invention;
FIG. 2 is a schematic side view of a sub-assembly of an underwater pretensioning device for electrical connectors according to the present invention;
FIG. 3 is a schematic view of a backside partially cut-away structure of an underwater pretensioning device for an electrical connector according to the present invention;
FIG. 4 is a schematic view of the rear cross-sectional structure of the first sleeve and the second sleeve;
FIG. 5 is a schematic partial perspective view of the first joint and the second joint when not connected;
FIG. 6 is a schematic partial perspective view of a second joint;
FIG. 7 is a schematic view of a partial cross-sectional structure of a first joint and a second joint;
FIG. 8 is a schematic view of a partial cross-sectional structure of a first sleeve and a second sleeve;
FIG. 9 is a schematic side partial perspective view of a slider and plunger;
FIG. 10 is a schematic view of a partial cross-sectional configuration of a slider and cross-bar.
In the figure: the device comprises a first connector, a first sleeve, a rubber block, a cross rod, a second sleeve, a second connector, a ring-shaped sheet, a threaded rod, a rectangular opening, a 10 extrusion block, an 11 elastic block, a 12 inserting rod, a 13 sliding block, a 14 extrusion rod, a 15 fifth spring, a 16 fixing rod, a 17 annular cavity, a 18 hinging rod, a 19 sealing sheet, a 20 annular sleeve, a 21 inserting needle, a 22 third spring, a 23 first spring, a 24 inserting hole, a 25 annular sealing plate, a 26 second spring, a 27 limiting sheet, a 28 fourth spring, a 29 sealing ring and a 30 clamping block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-10, an underwater pre-tightening device of an electrical connector comprises a first connector 1 and a second connector 6, wherein a first sleeve 2 is fixedly connected to the first connector 1, a second sleeve 5 is fixedly connected to the second connector 6, a plurality of jacks 24 are formed in one side end face of the first connector 1, a plurality of contact pins 21 are fixedly connected to one side end face of the second connector 6, a plurality of sealing assemblies are arranged, each sealing assembly is used for preventing water flow from entering the jack 24, each sealing assembly comprises a sealing sheet 19 slidably arranged in the jack 24, and the sealing sheets 19 are connected with the inner wall of the jack 24 through a first spring 23.
The utility model provides a plurality of spacing subassembly, every spacing subassembly all is used for the firm connection of first sleeve 2 and second sleeve 5, spacing subassembly is including sliding the horizontal pole 4 that sets up on first sleeve 2, set up the fluting that is used for installing at horizontal pole 4 on the first sleeve 2, set up the rectangle mouth 9 that is used for connecting horizontal pole 4 on the second sleeve 5, sliding connection has inserted bar 12 in the rectangle mouth 9, sliding connection has slider 13 on the horizontal pole 4, be connected with a plurality of fixture blocks 30 through reset spring on the slider 13, a plurality of fixture blocks 30 are connected through two spacing piece 27, fixture block 30 and horizontal pole 4 joint.
Every horizontal pole 4 is last to have all offered the recess that is used for installing slider 13, the transversal of recess personally submits the setting of protruding font, the transversal of slider 13 personally submits the setting of concave font, be provided with second spring 26 in the recess, the one end and the slider 13 fixed connection of second spring 26, the other end and the recess inner wall fixed connection of second spring 26, the inside in-process of rectangle mouth 9 is stretched into to horizontal pole 4 one end, the terminal surface of slider 13 can be earlier with the inner wall laminating of rectangle mouth 9, when the inside of rectangle mouth 9 is stretched into to horizontal pole 4 later on, slider 13 can take place the relative slip with horizontal pole 4, second spring 26 takes place the deformation.
The recess that is used for installing slider 13 has all been seted up on every horizontal pole 4, the transversal setting of falling the font of personally submitting of recess, the transversal setting of personally submitting of slider 13 is concave, be provided with second spring 26 in the recess, the one end and the slider 13 fixed connection of second spring 26, the other end and the recess inner wall fixed connection of second spring 26, a plurality of fixture blocks 30 all with two spacing piece 27 fixed connection that correspond, two spacing piece 27 set up respectively in slider 13 upper and lower both sides, the up end of inserted bar 12 and the lower surface laminating that corresponds spacing piece 27, the inserted bar 12 moves the back with the surface of spacing piece 27, can make spacing piece 27 take place to move, each fixture block 30 takes place relative slip with slider 13 simultaneously, can with horizontal pole 4 joint after the fixture block 30 removes.
The terminal surface of one side of second joint 6 has seted up a plurality of ring channels, all slidable mounting has annular sleeve 20 in every ring channel, annular sleeve 20 cover is established in the outside of contact pin 21, one side inner wall fixedly connected with third spring 22 of ring channel, the fixed surface of third spring 22 and annular sleeve 20 is connected, the in-process that contact pin 21 stretched into jack 24 inside, the terminal surface that the terminal surface of each annular sleeve 20 can support first joint 1 moves, and annular sleeve 20 can shrink in each ring channel, third spring 22 takes place deformation simultaneously, all fixedly connected with squeeze piece 10 on every annular sleeve 20, the transversal right trapezoid setting of squeeze piece 10 is personally submitted, the circular slot has been seted up on the second sleeve 5, all seted up the opening that is used for squeeze piece 10 horizontal migration on circular slot and the ring channel, the inclined surface of every inserted bar 12 all is laminated with the inclined surface that corresponds squeeze piece 10, squeeze piece 10 is along with the inside in-process of annular sleeve 20 shrink straight ring channel, the inclined surface of squeeze piece 10 can support the bottom surface of inserted bar 12 and move, insert bar 12 slides simultaneously in the circular slot.
The inserted link 12 is sleeved with a fourth spring 28, one end of the fourth spring 28 is fixedly connected with the inner wall of the round groove, the other end of the fourth spring 28 is fixedly connected with the inserted link 12, the inner wall of one side of each rectangular opening 9 is fixedly connected with a sealing ring 29, the sealing rings 29 are sleeved on the outer side of the inserted link 12, the sealing rings 29 can improve the tightness when the inserted link 12 is connected with the rectangular opening 9, and water flow in the rectangular opening 9 is prevented from penetrating into the round groove through the connecting gap between the inserted link 12 and the rectangular opening 9.
The circular slot internal fixation has a plurality of elastic blocks 11 that are the equidistance setting, a plurality of elastic blocks 11 are connected through annular seal plate 25, the one end fixedly connected with cross section of first sleeve 2 is the rubber piece 3 that the annular set up, the terminal surface of rubber piece 3 and the surface laminating of annular seal plate 25 mutually, the in-process that first sleeve 2 moved to being close to second sleeve 5 direction, the one end of rubber piece 3 can stretch into the circular slot in to extrude annular seal plate 25's surface, each elastic block 11 can take place the deformation, annular seal plate 25 shrink to the circular slot in.
Each slot is internally and fixedly connected with a fixing rod 16, the cross rod 4 is in sliding connection with the fixing rod 16, a fifth spring 15 is sleeved on the fixing rod 16, one end of the fifth spring 15 is fixedly connected with the fixing rod 16, the other end of the fifth spring 15 is fixedly connected with the cross rod 4, the first sleeve 2 is provided with an annular cavity 17, the annular cavity 17 is internally and slidably connected with an annular sheet 7, the annular cavity 17 is slidably connected with a plurality of extrusion rods 14, the upper end face of each extrusion rod 14 is attached to the surface of the corresponding cross rod 4, the lower end of each extrusion rod 14 is hinged with a hinging rod 18, the hinging rod 18 is hinged with the annular sheet 7, one side inner wall of the annular cavity 17 is in threaded connection with a threaded rod 8, the threaded rod 8 is in rotary connection with the annular sheet 7, the threaded rod 8 is in threaded connection with the annular cavity 17, the annular sheet 7 slides in the annular cavity 17, the inclination angle of each hinging rod 18 is changed simultaneously, each extrusion rod 14 slides relatively with the annular cavity 17 simultaneously, and one end of the extrusion rod 14 abuts against the surface of the cross rod 4 to move.
A pre-tightening method of an underwater pre-tightening device of an electric connector comprises the following steps:
s1: the first joint 1 and one end of the second joint 6 face to face, and then the distance between the first joint 1 and the second joint 6 is reduced, and one end of each contact pin 21 on the second joint 6 is respectively contacted with the surface of the corresponding sealing piece 19;
s2: continuing to push the two first connectors 1 and the second connectors 6 to reduce the distance between the two connectors, and sliding the sealing piece 19 into the jack 24 and shrinking the annular sleeve 20 into the annular groove in the process that one end of each contact pin 21 is inserted into the jack 24;
s3: in the process that the first sleeve 2 moves towards the direction close to the second sleeve 5, one end of the rubber block 3 stretches into the circular groove, so that water flow can be prevented from flowing between the annular sealing plate 25 and the rubber block 3, and the rubber block 3 can also carry out tight connection treatment on the joint of the end faces of the first joint 1 and the second joint 6;
s4: in the process that one end of the cross rod 4 stretches into the rectangular opening 9, the end face of the sliding block 13 is attached to the inner wall of the rectangular opening 9, and when the cross rod 4 continues to stretch into the rectangular opening 9, the sliding block 13 and the cross rod 4 slide relatively;
s5: the extrusion piece 10 extrudes the inserted link 12 along with the moving process of the annular sleeve 20, and the inserted link 12 extrudes the limiting piece 27 after moving, so that each clamping block 30 and the cross rod 4 are clamped, and the pretension connection of the first connector 1 and the second connector 6 is realized.
In the invention, when the connector is used, one end of the first connector 1 and one end of the second connector 6 face to face, then the distance between the first connector 1 and the second connector 6 is reduced, one end of each cross rod 4 extends into the corresponding rectangular opening 9, one end of each pin 21 on the second connector 6 is inserted into the corresponding jack 24 and contacts with the surface of the sealing piece 19, the end face of each annular sleeve 20 is simultaneously attached to the end face of the first connector 1, then the two first connectors 1 and the second connector 6 are continuously pushed to reduce the distance between the two first connectors 1 and the second connectors, one end of each pin 21 is pushed against each sealing piece 19 to slide into the jack 24 in the process of inserting one end of each pin 21 into the jack 24, and because one end of each pin 23 is fixedly connected with the sealing piece 19, the other end of each pin 23 is fixedly connected with the sealing piece 19, the first spring 23 is deformed, and each sealing piece 19 can prevent water flow from entering into the jack 24 so as to facilitate good connection between the pins 21 and the jack 24.
In the process that the contact pin 21 stretches into the jack 24, one end of each annular sleeve 20 can move against the end face of the first connector 1, the annular sleeve 20 can shrink into each annular groove, the third spring 22 deforms simultaneously, one end of the cross rod 4 stretches into the inner wall of the rectangular opening 9, the end face of the sliding block 13 can be attached to the inner wall of the rectangular opening 9 first, the cross rod 4 is reduced along with the distance between the first connector 1 and the second connector 6, when the contact pin stretches into the inner part of the rectangular opening 9 continuously, the sliding block 13 can slide relatively with the cross rod 4, the second spring 26 deforms, the extrusion block 10 moves against the bottom end surface of the inserting rod 12 along with the process that the annular sleeve 20 shrinks into the annular groove, the inclined surface of the extrusion block 10 moves against the bottom end surface of the extrusion block 12, the inserting rod 12 moves away from the extrusion block 10 after the extrusion block 10 is pressed, the fourth spring 28 deforms, the inserting rod 12 moves away from the surface of the extrusion block 10, the limiting piece 27 further moves along with the surface of the limiting piece 27, each clamping block 30 slides relatively with the sliding block 13 simultaneously, and the other end (the reset spring is not fixedly connected with the reset spring (the reset spring is not fixedly connected with the clamping block 30).
Under the transmission effect of the limiting piece 27, each clamping block 30 simultaneously slides relatively with the sliding block 13, one end of each clamping block can be connected with the transverse rod 4 in a clamping mode, at the moment, the end faces of the first connector 1 and the second connector 6 are attached, each contact pin 21 fully stretches into the corresponding jack 24, so that the transverse rod 4 and the second sleeve 5 can be prevented from being separated, the first sleeve 2 and the second sleeve 5 can be firmly connected, the pretension connection of the first connector 1 and the second connector 6 is realized, the connection strength of the first connector 1 and the second connector 6 can be increased under the matched use of the transverse rods 4 and the inserting rods 12, the occurrence of the connection loosening condition of the first connector 1 and the second connector 6 can be effectively avoided, the sealing piece 19 can prevent water flow from entering the jack 24, the phenomenon of electric leakage and short circuit is avoided, and the use of the electric connector is facilitated.
In-process that first sleeve 2 moved to being close to second sleeve 5 direction, the one end of rubber piece 3 can stretch into the circular slot to extrude annular seal plate 25's surface, elastic block 11 sets up to the rubber material, and the elasticity of elastic block 11 is less than the elasticity of rubber piece 3, each elastic block 11 can take place deformation earlier, annular seal plate 25 contracts to the circular slot, after the deflection of elastic block 11 reaches the biggest, the in-process that rubber piece 3 continued extrusion annular seal plate 25 removed, the rubber piece 3 can take place deformation, rubber piece 3 stretches into the circular slot at this moment partly, not only can prevent that the rivers from flowing between annular seal plate 25 and the rubber piece 3, rubber piece 3 can also carry out zonulae occludens to first joint 1 and second joint 6 terminal surface junction and handle, be favorable to improving the leakproofness when connecting, the leakproofness when annular seal plate 25 and circular slot inner wall connect is good, can effectively prevent rivers from entering into extrusion piece 10 department, in order to prevent that the phenomenon that electric leakage or short circuit from appearing in the effective connection of first joint 1 and second joint 6.
The threaded rod 8 is rotated, the threaded rod 8 and the in-process of annular cavity 17 threaded connection, because the transversal polygonal annular setting of personally submitting of annular cavity 17, the cross section of ring piece 7 also is polygonal annular setting, and the leakproofness when ring piece 7 and annular cavity 17 inner wall are connected is good, can effectively prevent ring piece 7 in annular cavity 17 internal rotation, ring piece 7 along with the rotation of threaded rod 8 and at the inside gliding in annular cavity 17 in-process, the inclination of each articulated pole 18 changes simultaneously, each extrusion pole 14 takes place the relative slip with annular cavity 17 simultaneously, the one end of extrusion pole 14 moves against the surface of horizontal pole 4, the deformation takes place for fifth spring 15, the in-process that horizontal pole 4 moved, spacing piece 27 can break away from with inserted bar 12 one end, and fixture block 30 is under reset spring's effect, no longer with horizontal pole 4 joint, can take out each horizontal pole 4 from rectangular mouth 9 this moment, so as to separate first joint 1 and second joint 6 and overhaul etc. and handle.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The underwater pre-tightening device of the electric connector is characterized by comprising a first connector and a second connector, wherein a first sleeve is fixedly connected to the first connector, a second sleeve is fixedly connected to the second connector, a plurality of jacks are formed in one side end face of the first connector, and a plurality of contact pins are fixedly connected to one side end face of the second connector;
a plurality of sealing assemblies, each sealing assembly is used for preventing water flow from entering the inside of the jack, each sealing assembly comprises a sealing sheet which is arranged inside the jack in a sliding manner, and the sealing sheets are connected with the inner wall of the jack through a first spring;
the device comprises a plurality of limiting assemblies, wherein each limiting assembly is used for firmly connecting a first sleeve with a second sleeve, each limiting assembly comprises a cross rod arranged on the first sleeve in a sliding mode, a slot used for installing the cross rod is formed in the first sleeve, a rectangular opening used for connecting the cross rod is formed in the second sleeve, a plug rod is slidably connected in the rectangular opening, a sliding block is slidably connected onto the cross rod, a plurality of clamping blocks are connected onto the sliding block through reset springs, and the clamping blocks are connected through two limiting pieces and are connected with the cross rod in a clamping mode.
2. The underwater pretensioning device of an electrical connector according to claim 1, wherein each of the cross bars is provided with a groove for mounting the slider, the cross section of the groove is in an inverted-convex shape, the cross section of the slider is in a concave shape, a second spring is arranged in the groove, one end of the second spring is fixedly connected with the slider, and the other end of the second spring is fixedly connected with the inner wall of the groove.
3. The underwater pretensioning device of an electrical connector according to claim 1, wherein the plurality of clamping blocks are fixedly connected with the corresponding two limiting pieces, the two limiting pieces are respectively arranged on the upper side and the lower side of the sliding block, and the upper end face of the inserting rod is attached to the lower surface of the corresponding limiting piece.
4. The underwater pretensioning device of an electrical connector according to claim 1, wherein a plurality of annular grooves are provided on an end face of one side of the second connector, an annular sleeve is slidably installed in each annular groove, the annular sleeve is sleeved on the outer side of the contact pin, a third spring is fixedly connected to an inner wall of one side of the annular groove, and the third spring is fixedly connected to a surface of the annular sleeve.
5. The underwater pretensioning device of an electrical connector according to claim 4, wherein each annular sleeve is fixedly connected with an extrusion block, the cross section of the extrusion block is in a right trapezoid shape, a circular groove is formed in the second sleeve, openings for horizontally moving the extrusion block are formed in the circular groove and the annular groove, and one end of each insert rod is attached to an inclined surface corresponding to the extrusion block.
6. The underwater pretensioning device of claim 5, wherein the insert rod is sleeved with a fourth spring, one end of the fourth spring is fixedly connected with the inner wall of the circular groove, the other end of the fourth spring is fixedly connected with the insert rod, a sealing ring is fixedly connected with the inner wall of one side of each rectangular opening, and the sealing ring is sleeved on the outer side of the insert rod.
7. The underwater pretensioning device of an electrical connector according to claim 5, wherein a plurality of elastic blocks are fixedly connected in the circular groove, the elastic blocks are connected through an annular sealing plate, one end of the first sleeve is fixedly connected with a rubber block with a circular cross section, and the end face of the rubber block is attached to the surface of the annular sealing plate.
8. The underwater pretensioning device of an electrical connector according to claim 1, wherein a fixing rod is fixedly connected in each slot, the cross rod is slidably connected with the fixing rod, a fifth spring is sleeved on the fixing rod, one end of the fifth spring is fixedly connected with the fixing rod, and the other end of the fifth spring is fixedly connected with the cross rod.
9. The underwater pre-tightening device of the electric connector according to claim 1, wherein the first sleeve is provided with an annular cavity, an annular plate is slidably connected in the annular cavity, a plurality of extrusion rods are slidably connected in the annular cavity, the upper end face of each extrusion rod is attached to the surface of the corresponding cross rod, the lower end of each extrusion rod is hinged with a hinging rod, the hinging rod is hinged with the annular plate, one side inner wall of the annular cavity is in threaded connection with a threaded rod, and the threaded rod is in rotational connection with the annular plate.
10. A method of pretensioning an underwater pretensioning device for an electrical connector according to any one of claims 1 to 9, comprising the steps of:
s1: one end of the first connector and one end of the second connector face to face, then the distance between the first connector and the second connector is reduced, and one end of each contact pin on the second connector is respectively contacted with the surface of the corresponding sealing piece;
s2: continuously pushing the two first connectors and the two second connectors to reduce the distance between the two first connectors and the two second connectors, wherein in the process that one end of each contact pin is inserted into the jack, the sealing piece slides into the jack, and the annular sleeve is contracted into the annular groove;
s3: in the process that the first sleeve moves towards the direction close to the second sleeve, one end of the rubber block stretches into the circular groove, water flow can be prevented from flowing between the annular sealing plate and the rubber block, and the rubber block can also carry out tight connection treatment on the joint of the end faces of the first joint and the second joint;
s4: in the process that one end of the cross rod extends into the rectangular opening, the end face of the sliding block is attached to the inner wall of the rectangular opening, and when the cross rod continues to extend into the rectangular opening, the sliding block and the cross rod slide relatively;
s5: the extrusion piece extrudes the inserted bar along with the in-process that the annular sleeve removed, extrudes spacing piece after the inserted bar removes, and then makes each fixture block and horizontal pole carry out the joint, realizes the pretension connection to first joint and second joint.
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| CN202311725264.9A CN117410778B (en) | 2023-12-15 | 2023-12-15 | Underwater pre-tightening device and pre-tightening method for electric connector |
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| CN202311725264.9A CN117410778B (en) | 2023-12-15 | 2023-12-15 | Underwater pre-tightening device and pre-tightening method for electric connector |
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| CN117410778B (en) | 2024-02-20 |
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