CN111355082A - Connector capable of transmitting large current in bilateral locking mode - Google Patents
Connector capable of transmitting large current in bilateral locking mode Download PDFInfo
- Publication number
- CN111355082A CN111355082A CN202010230079.2A CN202010230079A CN111355082A CN 111355082 A CN111355082 A CN 111355082A CN 202010230079 A CN202010230079 A CN 202010230079A CN 111355082 A CN111355082 A CN 111355082A
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- Prior art keywords
- plug
- socket
- shell
- sealing
- locking
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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
- H01R13/502—Bases; Cases composed of different pieces
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a connector for transmitting large current by locking at two sides, which comprises a plug, a socket and a tail connecting piece. The plug comprises a plug shell, a jack contact and an OT terminal, wherein the plug shell, the jack contact and the OT terminal are integrated through injection molding; a second sealing ring is arranged between the contact pin contact element and the socket shell; a sealing ring is arranged between the plug housing and the tail cover. The invention has the advantages of simple structure, small volume, convenient operation, high contact reliability, symmetrical stress during locking or unlocking, and good insulating property and sealing property.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a connector capable of locking and transmitting large current on two sides.
Background
A electric connector for server and energy storage system, because this applied environment's electric current is great, the leakproofness requires highly, and the inside atmospheric pressure that produces is also higher, and the connector that prior art adopted is mostly unilateral locking structure, to unilateral locking structure, has the operation inconvenience, has the atress asymmetry during closure or unblock, easily takes place the contact slope, and the contact reliability reduces, and contact wearing and tearing aggravation still causes the mistake unblock and the self-unlocking of connector easily. There is a great potential safety hazard.
Disclosure of Invention
The invention aims to provide a connector capable of realizing double-side locking and transmitting large current, aiming at the defects of the prior art, the invention adopts the locking button components arranged on the two sides of the plug shell on the plug, when the plug and the socket are locked or unlocked, the locking button components arranged on the two sides need to be simultaneously touched, so that the locking or unlocking of the plug and the socket can be realized, the connector has the advantages of good connection stability and high locking reliability, and the phenomena of mistaken unlocking and self-unlocking of the connector when mistaken touching is avoided. The plug shell, the jack contact and the OT terminal are integrated through injection molding and are fixedly connected into a whole, the annular cavity of the plug shell is connected with the cylinder of the socket shell in an inserting mode, so that the insulating performance of a product is improved, and the first sealing ring is arranged between the first sealing groove of the plug shell and the inner wall of the cylinder of the socket shell; a second sealing ring is arranged between the contact pin contact element and the sealing step of the socket shell; a sealing ring is arranged between the second sealing groove of the plug shell and the end face of the tail cover, so that the sealing performance of a product is improved. The invention has the advantages of simple structure, small volume, convenient operation, high contact reliability, symmetrical stress during locking or unlocking, and good insulating property and sealing property.
The specific technical scheme for realizing the purpose of the invention is as follows:
a connector for transmitting large current in a double-side locking manner particularly comprises a plug, a socket and a tail connecting piece;
the plug is composed of a jack contact element, a first sealing ring, a plug shell, an OT terminal and a lock button component;
the jack contact piece and the OT terminal are riveted in an L shape or an I shape;
the plug shell is an injection molding piece, the plug shell molds and solidifies the jack contact piece and the OT terminal into a whole, an annular cavity and a first sealing groove are arranged on the plug shell and positioned on the outer side of the jack contact piece, and a second sealing groove and an external thread are arranged on the plug shell and positioned on the tail part of the OT terminal;
lock button grooves and pin shaft holes are symmetrically formed in two sides of the plug shell, and the lock button grooves are communicated with the annular cavity;
the first sealing ring is arranged in a first sealing groove of the plug shell;
the locking button components are composed of two groups of locking plates and elastic pieces, the two groups of locking button components are symmetrically arranged in locking button grooves of the plug shell, pins are arranged on the locking plates, and the locking plates and the elastic pieces are hinged with pin shaft holes of the plug shell through the pins;
the socket is composed of a sealing gasket, a contact pin contact element, a second sealing ring, a finger-touch-preventing cap and a socket shell;
the socket shell is a box body piece with a square flange arranged outside and a cylinder arranged inside, the inner wall of the cylinder is provided with a sealing step and a conical clamping groove, and the outer wall of the cylinder is provided with a spring bolt flange;
the contact pin contact element is a rod-shaped element, one end of the rod-shaped element is provided with a wiring terminal, the other end of the rod-shaped element is provided with a finger cap jack, and a frustum buckle and a third sealing groove are arranged on a rod body of the contact pin contact element;
the contact pin contact piece is arranged in the socket shell, and a frustum buckle on the contact pin contact piece is clamped with a conical clamping groove of the socket shell; the second sealing ring is arranged between the third sealing groove of the contact pin contact element and the sealing step of the socket shell;
the anti-touch finger cap is arranged at the end of the contact pin contact element and is connected with the finger cap jack;
the sealing gasket is arranged on the square flange surface of the socket shell;
the tail connecting piece consists of a wire sealing body, a sealing ring and a tail cover;
the tail cover is a cylindrical part provided with internal threads;
the tail connecting piece is arranged at the tail part of the plug shell on the plug, the wire sealing body and the tail cover are sequentially sleeved outside the OT terminal, the internal thread of the tail cover is meshed with the external thread of the plug shell, and the sealing ring is arranged between the second sealing groove of the plug shell and the end face of the tail cover;
the plug is connected with the socket in an inserting mode, the jack contact element of the plug is connected with the pin contact element of the socket in an inserting mode, the annular cavity of the plug shell is connected with the cylinder of the socket shell in an inserting mode, the spring bolt flange of the socket shell is connected with the lock plate of the lock button assembly in a clamping mode, and the first sealing ring is sealed with the inner wall of the cylinder of the socket shell.
The lock plate of the lock button component is provided with a protruding lock tongue and an elastic sheet slot, the lock tongue is clamped with the lock tongue flange of the socket shell, and the elastic sheet slot is inserted with one end of the elastic sheet.
The invention aims to provide a connector capable of realizing double-side locking and transmitting large current, aiming at the defects of the prior art, the invention adopts the locking button components arranged on the two sides of the plug shell on the plug, when the plug and the socket are locked or unlocked, the locking button components arranged on the two sides need to be simultaneously touched, so that the locking or unlocking of the plug and the socket can be realized, the connector has the advantages of good connection stability and high locking reliability, and the phenomena of mistaken unlocking and self-unlocking of the connector when mistaken touching is avoided. The plug shell, the jack contact and the OT terminal are integrated through injection molding and are fixedly connected into a whole, the annular cavity of the plug shell is connected with the cylinder of the socket shell in an inserting mode, so that the insulating performance of a product is improved, and the first sealing ring is arranged between the first sealing groove of the plug shell and the inner wall of the cylinder of the socket shell; a second sealing ring is arranged between the contact pin contact element and the sealing step of the socket shell; a sealing ring is arranged between the second sealing groove of the plug shell and the end face of the tail cover, so that the sealing performance of a product is improved. The invention has the advantages of simple structure, small volume, convenient operation, high contact reliability, symmetrical stress during locking or unlocking, and good insulating property and sealing property.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the various components of the present invention;
FIG. 3 is a schematic structural view of a plug housing according to the present invention;
FIG. 4 is a schematic structural diagram of a socket housing according to the present invention;
FIG. 5 is a schematic structural view of the locking plate of the present invention;
FIG. 6 is a schematic view showing an L-shaped usage state of the OT terminal of the present invention;
fig. 7 is a schematic view showing an in-use state of the OT terminal of the present invention in an "I" shape.
Detailed Description
Referring to fig. 1, 6 and 7, the present invention includes a plug 10, a socket 20 and a tail connector 30;
referring to fig. 1, 2, 3 and 5, the plug 10 is composed of a socket contact 11, a first seal ring 12, a plug housing 13, an OT terminal 14 and a lock button assembly 15;
the jack contact element 11 and the OT terminal 14 are riveted in an L shape or an I shape;
the plug housing 13 is an injection molding part, the plug housing 13 is used for injection molding and solidifying the jack contact element 11 and the OT terminal 14 into a whole, an annular cavity and a first seal groove 131 are arranged on the plug housing 13 and positioned on the outer side of the jack contact element 11, and a second seal groove 132 and an external thread 133 are arranged on the plug housing 13 and positioned on the tail part of the OT terminal 14;
the first seal ring 12 is disposed in the first seal groove 131 of the plug housing 13;
the lock button assembly 15 is composed of two sets of lock pieces 151 and elastic pieces 152, the two sets of lock button assemblies 15 are symmetrically arranged in the lock button groove 134 of the plug shell 13, pins 1511 are arranged on the lock pieces 151, and the lock pieces 151 and the elastic pieces 152 are hinged with the pin shaft holes 135 of the plug shell 13 through pins 1511;
referring to fig. 1, 2 and 4, the socket 20 is composed of a sealing gasket 21, a pin contact 22, a second sealing ring 23, a finger-touch prevention cap 24 and a socket housing 25;
the socket shell 25 is a box body part with a square flange 253 arranged outside and a cylinder arranged inside, a sealing step and a conical clamping groove 251 are arranged on the inner wall of the cylinder, and a bolt flange 252 is arranged on the outer wall of the cylinder;
a rod-shaped piece with a wiring terminal arranged at one end of the pin contact element 22 and a finger cap jack arranged at the other end of the pin contact element 22, wherein a frustum buckle 222 and a third sealing groove 221 are arranged on the rod body of the pin contact element 22;
the pin contact 22 is arranged in the socket shell 25, and the frustum buckle 222 on the pin contact 22 is clamped with the conical clamping groove 251 of the socket shell 25; the second seal ring 23 is arranged between the third seal groove 221 of the pin contact 22 and the seal step of the socket housing 25;
the anti-touch finger cap 24 is arranged at the end of the contact pin contact element 22 and connected with the finger cap jack;
the sealing gasket 21 is arranged on the surface of the square flange 253 of the socket shell 25;
referring to fig. 1 and 2, the tail connecting member 30 is composed of a wire sealing body 31, a sealing ring 32 and a tail cover 33;
the tail cap 33 is a cylindrical member provided with an internal thread.
Referring to fig. 1 and 2, the tail connecting member 30 is disposed at the tail of the plug housing 13 on the plug 10, the wire sealing body 31 and the tail cover 33 are sequentially sleeved on the outer side of the OT terminal 14, the internal thread of the tail cover 33 is engaged with the external thread 133 of the plug housing 13, and the sealing ring 32 is disposed between the second sealing groove 132 of the plug housing 13 and the end surface of the tail cover 33;
referring to fig. 1 and 2, the plug 10 is inserted into the socket 20, the socket contact 11 of the plug 10 is inserted into the pin contact 22 of the socket 20, the annular cavity of the plug housing 13 is inserted into the cylinder of the socket housing 25, the latch flange 252 of the socket housing 25 is engaged with the latch 151 of the lock button assembly 15, and the first sealing ring 12 is sealed against the inner wall of the cylinder of the socket housing 25.
Referring to fig. 2 and 5, the locking plate 151 of the lock button assembly 15 is provided with a protruding locking bolt 1512 and a spring slot 1513, the locking bolt 1512 is clamped with the locking bolt flange 252 of the socket housing 25, and the spring slot 1513 is inserted into one end of the spring 152.
Examples
The application of the invention is as follows:
referring to fig. 1 and 2, the socket 20 of the present invention is connected to a panel of an electrical appliance through a square flange 253, a gasket 21 is installed between the square flange 253 and the panel of the electrical appliance, and a pin contact 22 is connected to a power terminal in the electrical appliance.
Referring to fig. 1 and 2, the sealing ring 32 is installed in the second sealing groove 132 of the plug housing 13, the cable is passed through the wire sealing body 31 and the tail cap 33, and is connected to the OT terminal 14 of the plug 10, the wire sealing body 31 is moved to engage the internal thread of the tail cap 33 with the external thread 133 of the plug housing 13, and the sealing ring 32 is enclosed between the end faces of the plug housing 13 and the tail cap 33.
Referring to fig. 1 and 2, the plug 10 is inserted into the socket 20, the plug hole contact 11 of the plug 10 is inserted into the plug pin contact 22 of the socket 20, the annular cavity of the plug housing 13 is inserted into the cylinder of the socket housing 25, the spring tongue flange 252 of the socket housing 25 touches the lock plate 151 of the lock button assembly 15 and forces the spring tongue 152 to deform to push the lock plate 151 open until the spring tongue flange 252 crosses the spring tongue 1512 on the lock plate 151, the spring tongue 152 recovers deformation, the spring tongue 152 toggles the lock tongue 1512 on the lock plate 151 to clamp the spring tongue flange 252 of the socket housing 25, the plug 10 is inserted into the socket 20 and locked, and the circuit conduction between the plug hole contact 11 and the OT terminal 14 of the plug 10 and the plug pin contact 22 of the.
Referring to fig. 1 and 2, during unlocking, only the locking pieces 151 in the locking button grooves 134 on both sides of the plug 10 are pressed simultaneously to separate the locking tongues 1512 on the locking pieces 151 from the locking tongue flanges 252 of the socket housing 25, and the jack contact members 11 of the plug 10 are forcibly pulled out from the pin contact members 22 of the socket 20, so that the plug 10 and the socket 20 are unlocked and separated, and the circuit between the jack contact members 11 and the OT terminals 14 of the plug 10 and the pin contact members 22 of the socket 20 is disconnected.
Referring to fig. 1 and 2, the locking button assemblies 15 of the present invention are symmetrically disposed on both sides of the plug housing 13 of the plug 10, and no matter when the plug 10 and the receptacle 20 are locked or unlocked, the locking plates 151 of the locking button assemblies 15 disposed on both sides need to be simultaneously activated, so as to lock or unlock the plug 10 and the receptacle 20, which has the advantages of good connection stability and high locking reliability, and avoids the phenomena of mis-unlocking and self-unlocking of the connector when the locking plates 151 are stressed on one side or are erroneously activated.
Referring to fig. 1 and 2, in order to improve the insulating performance of the present invention, the present invention adopts a structure in which the plug housing 13, the jack contact 11, and the OT terminal 14 are injection-molded and fixed as a whole, thereby solving the connection and insulation problems of the jack contact 11 and the OT terminal 14 with the plug housing 13 at one time.
With the structure that the annular cavity of the plug housing 13 is inserted into the cylinder of the socket housing 25, when the socket contact 11 of the plug 10 is inserted into the pin contact 22 of the socket 20, the outer wall of the annular cavity of the plug housing 13 and the cylinder of the socket housing 25 form a double-layer insulating layer.
In order to prevent the pin contact 22 in the socket 20 from being touched by fingers by mistake when the socket 20 is separated from the header 10, the present invention provides an insulative finger-touch preventing cap 24 at the end of the pin contact 22.
Referring to fig. 1 and 2, in order to improve the sealing performance of the present invention, a first sealing ring 12 is disposed between a first sealing groove 131 of a plug housing 13 and a cylindrical inner wall of a receptacle housing 25, so as to achieve sealing when the receptacle 20 is plugged into the plug 10; a second sealing ring 23 is arranged between the sealing steps of the pin contact piece 22 and the socket shell 25, so that the socket 20 is sealed, namely the pin contact piece 22 and the socket shell 25 are sealed; a sealing ring 32 is arranged between the second sealing groove 132 of the plug housing 13 and the end face of the tail cover 33, so that the plug housing 13 and the tail cover 33 are sealed against the OT terminal 14; a sealing gasket 21 is arranged between the square flange 253 of the socket 20 and the panel of the electrical equipment, so that the socket 20 and the panel of the electrical equipment are sealed; the sealing of the plug 10 itself is solved by an injection moulding process. The invention has good sealing performance.
Referring to fig. 6, the OT terminal of the present invention is in an "L" shape, and the present invention is in use.
Referring to fig. 7, the OT terminal of the present invention is in an "I" shape, and the present invention is in use.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. A connector capable of transmitting large current in a locking mode on two sides is characterized by comprising a plug (10), a socket (20) and a tail connecting piece (30);
the plug (10) is composed of a jack contact element (11), a first sealing ring (12), a plug shell (13), an OT terminal (14) and a lock button assembly (15);
the jack contact piece (11) is riveted with the OT terminal (14) in an L shape or an I shape;
the plug shell (13) is an injection molding part, the plug shell (13) is used for injection molding and solidifying the jack contact element (11) and the OT terminal (14) into a whole, an annular cavity and a first sealing groove (131) are arranged on the plug shell (13) and positioned on the outer side of the jack contact element (11), and a second sealing groove (132) and an external thread (133) are arranged on the plug shell (13) and positioned on the tail part of the OT terminal (14);
lock button grooves (134) and pin shaft holes (135) are symmetrically formed in two sides of the plug shell (13), and the lock button grooves (134) are communicated with the annular cavity;
the first sealing ring (12) is arranged in a first sealing groove (131) of the plug shell (13);
the locking button assembly (15) consists of two groups of locking button assemblies (15) and an elastic sheet (152), the two groups of locking button assemblies (15) are symmetrically arranged in a locking button groove (134) of the plug shell (13), pins (1511) are arranged on the locking plates (151), and the locking plates (151) and the elastic sheet (152) are hinged with pin shaft holes (135) of the plug shell (13) through the pins (1511);
the socket (20) is composed of a sealing gasket (21), a contact pin contact piece (22), a second sealing ring (23), a finger-touch-preventing cap (24) and a socket shell (25);
the socket shell (25) is a box body part which is externally provided with a square flange (253) and internally provided with a cylinder, the inner wall of the cylinder is provided with a sealing step and a conical clamping groove (251), and the outer wall of the cylinder is provided with a bolt flange (252);
the pin contact piece (22) is a rod-shaped piece, one end of the rod-shaped piece is provided with a wiring terminal, the other end of the rod-shaped piece is provided with a finger cap jack, and a frustum buckle (222) and a third sealing groove (221) are arranged on the rod body of the pin contact piece (22);
the contact pin contact piece (22) is arranged in the socket shell (25), and a frustum buckle (222) on the contact pin contact piece (22) is clamped with a conical clamping groove (251) of the socket shell (25); the second sealing ring (23) is arranged between the third sealing groove (221) of the pin contact element (22) and the sealing step of the socket shell (25);
the anti-touch finger cap (24) is arranged at the end of the contact pin contact element (22) and is connected with the finger cap jack;
the sealing gasket (21) is arranged on the surface of a square flange (253) of the socket shell (25);
the tail connecting piece (30) consists of a wire sealing body (31), a sealing ring (32) and a tail cover (33);
the tail cover (33) is a cylindrical part provided with internal threads;
the tail connecting piece (30) is arranged at the tail of a plug shell (13) on the plug (10), the wire sealing body (31) and the tail cover (33) are sequentially sleeved on the outer side of the OT terminal (14), the internal thread of the tail cover (33) is meshed with the external thread (133) of the plug shell (13), and the sealing ring (32) is arranged between a second sealing groove (132) of the plug shell (13) and the end face of the tail cover (33);
the plug (10) is connected with the socket (20) in an inserting mode, the jack contact piece (11) of the plug (10) is connected with the pin contact piece (22) of the socket (20) in an inserting mode, the annular cavity of the plug shell (13) is connected with the cylinder of the socket shell (25) in an inserting mode, the bolt flange (252) of the socket shell (25) is connected with the lock plate (151) of the lock button assembly (15) in a clamping mode, and the first sealing ring (12) is sealed with the inner wall of the cylinder of the socket shell (25).
2. The double-side-locking large-current-transmission connector according to claim 1, wherein a locking plate (151) of the locking button assembly (15) is provided with a protruding locking tongue (1512) and a spring piece slot (1513), the locking tongue (1512) is clamped with a locking tongue flange (252) of the socket housing (25), and the spring piece slot (1513) is inserted into one end of the spring piece (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230079.2A CN111355082A (en) | 2020-03-27 | 2020-03-27 | Connector capable of transmitting large current in bilateral locking mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230079.2A CN111355082A (en) | 2020-03-27 | 2020-03-27 | Connector capable of transmitting large current in bilateral locking mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111355082A true CN111355082A (en) | 2020-06-30 |
Family
ID=71194721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230079.2A Pending CN111355082A (en) | 2020-03-27 | 2020-03-27 | Connector capable of transmitting large current in bilateral locking mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111355082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078502A (en) * | 2021-04-01 | 2021-07-06 | 东莞市典威电子有限公司 | Rotatable sealing waterproof connector and manufacturing process |
| CN113488792A (en) * | 2021-07-09 | 2021-10-08 | 苏州华旃航天电器有限公司 | Large-current charging socket adopting right-angle switching |
-
2020
- 2020-03-27 CN CN202010230079.2A patent/CN111355082A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078502A (en) * | 2021-04-01 | 2021-07-06 | 东莞市典威电子有限公司 | Rotatable sealing waterproof connector and manufacturing process |
| CN113488792A (en) * | 2021-07-09 | 2021-10-08 | 苏州华旃航天电器有限公司 | Large-current charging socket adopting right-angle switching |
| CN113488792B (en) * | 2021-07-09 | 2023-02-10 | 苏州华旃航天电器有限公司 | Large-current charging socket adopting right-angle switching |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20200630 |