CN114784578B - Direct current socket applied to low-voltage direct current field - Google Patents
Direct current socket applied to low-voltage direct current field Download PDFInfo
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- CN114784578B CN114784578B CN202210302921.8A CN202210302921A CN114784578B CN 114784578 B CN114784578 B CN 114784578B CN 202210302921 A CN202210302921 A CN 202210302921A CN 114784578 B CN114784578 B CN 114784578B
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- rotating shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000004020 conductor Substances 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 230000009471 action Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
-
- 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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- 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
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A dc outlet for use in the low voltage dc field, comprising: a socket main body; the socket main body comprises an insulating shell, a conductive chuck arranged in the insulating shell, an operating mechanism and a switch; the conductive chuck is electrically connected with the switch; one end of the switch is connected with a power supply, and the other end of the switch is connected with the conductive chuck; the switch is arranged on the operating mechanism; the operating mechanism is used for adjusting the closing state of the switch; an insulating jack corresponding to the conductive chuck is formed in the insulating shell; the plug passes through the insulating jack and is connected with the conductive chuck. The invention provides a direct current socket suitable for the low-voltage direct current field, which can be conveniently connected into direct current household electrical appliance equipment, reliably extinguishes a direct current arc before pulling out, and ensures personal safety of a user when the user operates the electrical equipment.
Description
Technical Field
The invention relates to the technical field of low-voltage electrical appliances, in particular to a direct-current socket applied to the field of low-voltage direct current.
Background
With the development of economy and the improvement of environmental awareness, the input force of the fields of clean energy such as photovoltaic and wind energy is continuously increased in recent years, and the direct current power distribution system is applied to more and more actual production and operation scenes in the near future. However, the dc home appliances have not been popularized yet, the dc home appliance adapting device and products in the dc circuit are one of the constraint factors, and the lack of adapting technology and related products may cause the dc appliances to have a danger in the use process, which is difficult to be used in the home occasion.
Disclosure of Invention
In order to solve the problem that the direct current electrical appliance has danger in the use, the invention provides a direct current socket applied to the field of low-voltage direct current, comprising: a socket main body;
the socket main body comprises an insulating shell, a conductive chuck arranged in the insulating shell, an operating mechanism and a switch;
the conductive chuck is electrically connected with the switch;
one end of the switch is connected with a power supply, and the other end of the switch is connected with the conductive chuck;
the switch is arranged on the operating mechanism;
the operating mechanism is used for adjusting the closing state of the switch;
an insulating jack corresponding to the conductive chuck is formed in the insulating shell;
the plug passes through the insulating jack and is connected with the conductive chuck.
Preferably, the conductive chuck comprises a metal conductor, a protective cover and a first elastic piece;
the metal conductor is of a chuck structure and is arranged along the plug inserting and pulling direction;
the metal conductor is electrically connected with the switch;
the protective cover cap is arranged at the opening position of the metal conductor;
one end of the first elastic piece is fixedly connected with the protective cover, and the other end of the first elastic piece is fixedly connected with the insulating shell.
Preferably, a positioning shaft is arranged on the side surface of the protective cover facing the first elastic piece;
the first elastic piece is sleeved on the positioning shaft towards one end of the protective cover.
Preferably, the number of the positioning shafts is the same as the number of the first elastic pieces.
Preferably, the side surface of the protective cover, which faces away from the metal conductor, is provided as a protective inclined surface;
the height of the protection inclined plane from the side facing the spring to the side facing away from the spring is gradually reduced.
Preferably, the operating mechanism comprises a lock catch, a jump buckle, a trip rod, a crank and a fixed seat;
the lock catch is clamped with the jump buckle;
the trip buckle is abutted with the trip rod;
the crank is respectively connected with the tripping rod and the fixed seat;
the switch is arranged on the fixed seat and the insulating shell;
in the process of inserting the plug into the conductive chuck, the lock catch and the jump buckle are both abutted with the plug.
Preferably, the operating mechanism further comprises a first fixed housing, a second fixed housing and a third fixed housing;
the first fixed shell, the second fixed shell and the third fixed shell are sequentially and fixedly connected to form a containing cavity for installing the conductive chuck, the operating mechanism and the switch;
the lock catch is rotationally connected with the first fixed shell and the second fixed shell;
the jump buckle is rotationally connected with the first fixed shell and the third fixed shell;
the tripping rod is rotationally connected with the first fixed shell and the third fixed shell;
the crank is rotationally connected with the first fixed shell and the third fixed shell;
the fixed seat is rotationally connected with the first fixed shell and the third fixed shell.
Preferably, two sides of the second fixed shell are respectively clamped with the first fixed shell and the third fixed shell.
Preferably, the lock catch comprises a first rotating shaft, a second elastic piece and a lock catch main body with an arc-shaped structure;
the lock catch main body is provided with a lug, a limiting clamping groove and a first through hole;
the first through hole and the lug are respectively arranged at two ends of the lock catch main body;
the first rotating shaft penetrates through the first through hole, and two ends of the first rotating shaft are fixedly connected with the first fixed shell and the second fixed shell respectively;
the second elastic piece is arranged between the lock catch main body and the second fixed shell, and two ends of the second elastic piece are respectively fixedly connected with the lock catch main body and the second fixed shell;
the limiting clamping groove is formed in the side surface, away from the second elastic piece, of the lock catch main body, and the jump buckle is clamped in the limiting clamping groove;
the second elastic piece and the limiting clamping groove are arranged on one side, facing the first through hole, of the lock catch main body;
the plug is inserted in the process of the conductive chuck, and the lug is abutted with the plug.
Preferably, the jump buckle comprises a second rotating shaft, a third elastic piece and a jump buckle main body with a plate-shaped structure;
the jump buckle main body is provided with a bump, a passive bump, a swing arm, a limit groove and a second through hole;
the second through hole penetrates through one side of the jump buckle;
the second rotating shaft penetrates through the second through hole, and two ends of the second rotating shaft are fixedly connected with the first fixed shell and the third fixed shell respectively;
the convex blocks, the limit grooves and the passive protrusions are sequentially arranged along the axis direction of the second through hole;
the swing arm and the lug are arranged on the same side of the jump buckle main body;
the convex blocks are clamped in limit clamping grooves of the lock catches;
the third elastic piece is sleeved on the second rotating shaft, one end of the third elastic piece is fixedly connected with the second fixed shell, and the other end of the third elastic piece extends into the limiting groove and is abutted with the jump buckle main body;
and the passive protrusion is abutted with the plug in the process of inserting the plug into the conductive chuck.
Preferably, the trip bar comprises a third rotating shaft, a first connecting rod and a trip bar main body with a bar-shaped structure;
one end of the trip bar main body is provided with a third through hole, and the other end of the trip bar main body is provided with a connecting rod first connecting hole and a groove;
the third rotating shaft penetrates through the third through hole, and two ends of the third rotating shaft are fixedly connected with the first fixed shell and the third fixed shell respectively;
the first connecting rod is of a U-shaped structure, one end of the first connecting rod penetrates through the first connecting hole of the connecting rod, and the other end of the first connecting rod is connected with the crank;
the groove is abutted with the swing arm of the lock catch.
Preferably, the crank comprises a fourth rotating shaft, a fourth elastic piece and a crank main body with a plate-shaped structure;
a fourth through hole is formed in the middle of the crank main body, a connecting rod second connecting hole and a connecting rod third connecting hole are formed in one side of the crank main body, and an elastic piece fixing hole is formed in the other side of the crank main body;
the fourth rotating shaft penetrates through the fourth through hole, and two ends of the fourth rotating shaft are fixedly connected with the first fixed shell and the third fixed shell respectively;
the other end of the first connecting rod is arranged in the second connecting hole of the connecting rod in a penetrating way;
one end of the fourth elastic piece is fixed in the elastic piece fixing hole, and the other end of the fourth elastic piece is fixedly connected with the first fixing shell;
the crank main body is connected with the fixing seat through the connecting rod third connecting hole.
Preferably, the fixing seat comprises a second connecting rod, a fifth rotating shaft and a fixing seat main body with a plate-shaped structure;
the fixing seat main body comprises an installation clamping groove, a connecting rod fourth connecting hole and a fifth through hole;
the fourth connecting hole and the fifth through hole of the connecting rod are respectively arranged at two ends of the fixing seat main body;
the fifth rotating shaft penetrates through the fifth through hole, and two ends of the fifth rotating shaft are fixedly connected with the first fixed shell and the third fixed shell respectively;
one end of the second connecting rod penetrates through a connecting rod third connecting hole of the crank, and the other end of the second connecting rod penetrates through a connecting rod fourth connecting hole;
the mounting clamping groove is formed in the side face, away from the crank, of the fixing seat main body.
Preferably, the switch comprises a movable contact and a fixed contact which are in plate-shaped structures;
the movable contact is arranged on the fixed seat;
the fixed contact is arranged between the first fixed shell and the third fixed shell;
the end part of the movable contact, which is away from the fifth rotating shaft, is provided with a movable contact;
the end part of the fixed contact, which is far away from the fifth rotating shaft, is provided with a fixed contact, and the movable contact is matched with the fixed contact.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a DC socket applied to the field of low-voltage DC, which comprises: a socket main body; the socket main body comprises an insulating shell, a conductive chuck arranged in the insulating shell, an operating mechanism and a switch; the conductive chuck is electrically connected with the switch; one end of the switch is connected with a power supply, and the other end of the switch is connected with the conductive chuck; the switch is arranged on the operating mechanism; the operating mechanism is used for adjusting the closing state of the switch; an insulating jack corresponding to the conductive chuck is formed in the insulating shell; the plug passes through the insulating jack and is connected with the conductive chuck. The invention provides a direct current socket suitable for the low-voltage direct current field, which can be conveniently connected into direct current household electrical appliance equipment, reliably extinguishes a direct current arc before pulling out, and ensures personal safety of a user when the user operates the electrical equipment.
Drawings
FIG. 1 is a schematic view of the overall structure of a socket and plug of the present invention;
FIG. 2 is a schematic view of a portion of the switch and operating mechanism of the present invention;
FIG. 3 is a cross-sectional view of the switch of the present invention in the closed state;
FIG. 4 is a cross-sectional view of the switch of the present invention in an open state;
FIG. 5 is a schematic view of the overall structure of the conductive chuck of the present invention;
FIG. 6 is a schematic diagram of the front view of the conductive chuck of the present invention;
FIG. 7 is a schematic diagram of the overall structure of a metal conductor according to the present invention;
FIG. 8 is a schematic view of the overall structure of the shield and positioning shaft of the present invention;
FIG. 9 is a schematic view of the overall structure of the first elastic member according to the present invention;
FIG. 10 is a schematic view of the overall structure of the first stationary housing of the present invention;
FIG. 11 is a schematic view of the overall structure of a second stationary housing according to the present invention;
FIG. 12 is a schematic view of the overall structure of a third stationary housing according to the present invention;
FIG. 13 is a schematic view showing an assembled structure of the first, second and third fixed housings according to the present invention;
FIG. 14 is a schematic view of a first exploded view of a first stationary housing, a second stationary housing and a third stationary housing according to the present invention;
FIG. 15 is a second exploded view of the first, second and third stationary housings of the present invention;
FIG. 16 is a schematic view of a latch structure according to the present invention;
FIG. 17 is a schematic view of a snap fastener according to the present invention;
FIG. 18 is a schematic view of a trip bar construction of the present invention;
FIG. 19 is a schematic view of the crank construction of the present invention;
FIG. 20 is a schematic view of a fixing base according to the present invention;
FIG. 21 is a schematic view of a receptacle insert according to the present invention;
FIG. 22 is a schematic drawing showing the removal of a socket according to the present invention;
10, a socket main body; 20. an insulating housing; 210. an insulating jack; 30. a conductive chuck; 310. a metal conductor; 320. a protective cover; 321. a protective inclined plane; 322. positioning a shaft; 330. a first elastic member; 40. an operating mechanism; 410. locking; 411. a first rotating shaft; 412. a lug; 413. a limit clamping groove; 414. a second elastic member; 415. a first through hole; 420. jumping buckle; 421. a second rotating shaft; 422. a bump; 423. a passive protrusion; 424. swing arms; 425. a limit groove; 427. a third elastic member; 428. a second through hole; 430. a trip bar; 431. a third rotating shaft; 432. a groove; 433. a connecting rod first connecting hole; 434. a first link; 435. a third through hole; 440. a crank; 441. a fourth rotating shaft; 442. a connecting rod second connecting hole; 443. a third connecting hole of the connecting rod; 444. an elastic member fixing hole; 445. a fourth elastic member; 446. a second link; 450. a fixing seat; 451. installing a clamping groove; 452. a fourth connecting hole of the connecting rod; 453. a fifth through hole; 454. a fifth rotating shaft; 460. a first fixed housing; 461. a first hook; 470. a second fixed housing; 471. a clamping slot; 472. a second hook; 480. a third fixed housing; 481. clamping the clamping groove; 50. a switch; 510. a moving contact; 512. a movable contact; 520. a stationary contact; 521. a stationary contact; 60. a plug; 611. an active protrusion; 612. a convex inclined plane; 613. a housing.
Detailed Description
The invention discloses a direct current socket applicable to the field of low-voltage direct current, which can be conveniently connected into direct current household electrical appliances, reliably extinguishes a direct current arc before pulling out, and ensures personal safety of a user when the user operates the electrical appliances.
Examples
A dc socket for use in the low voltage dc field, as shown in fig. 1, 3 and 4, comprising: a socket main body 10; the socket body 10 includes an insulating housing 20, a conductive chuck 30 provided in the insulating housing 20, an operating mechanism 40, and a switch 50; the conductive chuck 30 is electrically connected with the switch 50; one end of the switch 50 is connected with a power supply, and the other end is connected with the conductive chuck 30; the switch 50 is mounted on the operating mechanism 40; an operating mechanism 40 for adjusting the closed state of the switch 50; insulating insertion holes 210 corresponding to the conductive chucks 30 are formed in the insulating housing 20; plug 60 is connected to conductive clip 30 through insulating jack 210.
The specific structural materials of the conductive chuck 30 are not limited, and can be connected with the plug 60 and conduct electricity to the plug 60, and one of a clamp spring, a copper sheet and a wire can be selected, and the conductive chuck specifically comprises a metal conductor 310, a protective cover 320 and a first elastic piece 330, as shown in fig. 5 and 6; the metal conductor 310 is of a chuck structure, a conductive groove is formed in the metal conductor 310, and the conductive groove is matched with the plug 60 and is arranged along the plug 60 inserting and pulling direction, as shown in fig. 7; the metal conductor 310 is electrically connected to the switch 50; the protective cover 320 is covered at the opening position of the metal conductor 310, namely, is arranged between the conductive chuck 30 and the insulating shell 20, so as to prevent a user from touching the conductive chuck 30 by mistake and causing electric shock accidents; one end of the first elastic member 330 is fixedly connected with the shielding cap 320, and the other end is fixedly connected with the insulating housing 20. The metal conductor 310 includes a plurality of groups of metal guide pieces connected with the positive electrode of the power supply and metal guide pieces connected with the negative electrode of the power supply, the metal guide pieces have elasticity, and two metal guide pieces in each group form a chuck for clamping the plug 60, namely: the metal conductor 310 is matched with the plug 60, and when the plug 60 is a two-pin plug 60, the metal conductor 310 comprises two groups of metal guide sheets; when the plug 60 is a three-pin plug 60, the metal conductors 310 include three sets of metal guide tabs. In this embodiment, the plug 60 is a three-pin plug 60.
The side of the shield 320 facing the first elastic member 330 is provided with a positioning shaft 322, as shown in fig. 8, for positioning the first elastic member 330; as shown in fig. 9, the first elastic member 330 is sleeved on the positioning shaft 322 towards one end of the protection cover 320, and the number of the positioning shafts 322 is the same as that of the first elastic members 330. The first elastic member 330 can be compressively deformed by an external force and can be automatically reset after the external force is eliminated. The side of the shield 320 facing away from the metal conductor 310 is provided with a shield slope 321, as shown in fig. 8; the height of the protective bevel 321 from the metal conductor 310 decreases gradually from the side facing the spring to the side facing away from the spring. When the plug 60 is inserted, the plug 60 presses the protection inclined surface 321 of the protection cover 320, the protection cover 320 presses the first elastic element 330, the first elastic element 330 is compressed, the protection cover 320 moves towards the first elastic element 330, a space is reserved, and the column base of the plug 60 can be inserted into the metal conductor 310 and communicated with the metal conductor 310 to conduct current; when the plug 60 is pulled out, the pressure of the plug 60 to the conductive chuck 30 is removed, and the protection cover 320 is restored under the action of the first elastic member 330. In this embodiment, the first elastic member 330 is a spring.
The plug 60, as shown in fig. 1, includes a housing 613 and a post fixedly connected, the post being insertable into the charging cartridge. The shell 613 is provided with the initiative protrusion 611, in the process of inserting the plug 60 into the conductive chuck 30, the initiative protrusion 611 is abutted with the operating mechanism 40, and along with the movement of the plug 60, the initiative protrusion 611 applies external force to the operating mechanism 40, so as to drive the operating mechanism 40 to move, and the switch 50 is disconnected before the plug 60 is pulled out, so that no arc is generated when the plug 60 is pulled out of the direct current socket.
The operating mechanism 40, as shown in fig. 2, 3 and 4, includes a latch 410, a trip 420, a trip bar 430, a crank 440 and a fixing base 450; the lock catch 410 is clamped with the jump button 420; the trip button 420 is abutted with the trip bar 430; the crank 440 is respectively connected with the trip bar 430 and the fixed seat 450; the switch 50 is disposed on the fixing base 450 and the insulating housing 20; both the latch 410 and the latch 420 are in abutment with the plug 60. The operating mechanism 40 further includes a first stationary housing 460, a second stationary housing 470, and a third stationary housing 480, as shown in fig. 10, 11, and 12. The first, second and third fixed housings 460, 470 and 480 are fixedly connected in sequence to form a receiving chamber for mounting the conductive clip 30, the operating mechanism 40 and the switch 50, as shown in fig. 13. The specific manner of fixedly connecting the first fixing housing 460, the second fixing housing 470 and the third fixing housing 480 is not limited, and in this embodiment, the fastening structure is selected for fastening, that is, two sides of the second fixing housing 470 are respectively fastened with the first fixing housing 460 and the third fixing housing 480. The first fixing housing 460 is provided with a first clamping hook 461, and the second fixing housing 470 is provided with a clamping slot 471 which is clamped with the first clamping hook 461 arranged on the first fixing housing 460; the second fixing housing 470 is provided with a second hook 472, and the third fixing housing 480 is provided with a clamping slot 481 to be clamped with the second hook 472 provided on the second fixing housing 470. On the opposite side of the latch 410, a first hook 461 is disposed on the first fixing housing 460, and after the second fixing housing 470 is mounted, a clamping slot 481 is disposed on the third fixing housing 480 to be clamped with the first hook 461 disposed on the first fixing housing 460, as shown in fig. 14 and 15. The latch 410 is rotatably coupled to the first and second fixed housings 460 and 470; the jump button 420 is rotatably connected with the first fixed housing 460 and the third fixed housing 480; trip bar 430 is rotatably coupled to first stationary housing 460 and third stationary housing 480; the crank 440 is rotatably coupled to the first and third stationary housings 460 and 480; the fixed base 450 is rotatably coupled to the first and third fixed housings 460 and 480.
The latch 410, as shown in fig. 3, 4 and 16, includes a first rotating shaft 411, a second elastic member 414 and a latch body having an arc-shaped structure; the latch body is provided with a lug 412, a limit clamping groove 413 and a first through hole 415; the first through hole 415 and the lug 412 are respectively disposed at two ends of the latch body; the first rotating shaft 411 passes through the first through hole 415, and two ends of the first rotating shaft 411 are fixedly connected with the first fixing housing 460 and the second fixing housing 470 respectively, and the latch main body rotates around the first rotating shaft 411; the second elastic member 414 is installed between the latch main body and the second fixing housing 470, and two ends of the second elastic member 414 are fixedly connected with the latch main body and the second fixing housing 470 respectively, so as to provide a restoring force for the latch 410; the limiting clamping groove 413 is formed in the side face, away from the second elastic piece 414, of the lock catch main body, the limiting clamping groove 413 is formed by two parts, the angle of the bottom face of the first part is greater than or equal to one hundred eighty degrees, but not greater than two hundred seventy degrees, the angle of the bottom face of the second part is greater than two hundred seventy degrees, but not greater than three hundred sixty degrees, and the bottom face of the second part and the inner side face of the lock catch main body are provided with a certain height difference for clamping the jump buckle 420. The second elastic piece 414 and the limiting clamping groove 413 are arranged on one side of the lock catch main body facing the first through hole 415; in the process of inserting the plug 60 into the conductive chuck 30, the active protrusion 611 contacts with the lug 412 of the latch 410, the active protrusion 611 is provided with a protrusion inclined surface 612, the protrusion inclined surface 612 contacts with the lug 412 and can provide a pushing force to the lug 412 towards the outside of the socket, the latch 410 rotates around the first rotation shaft 411 under the action of the pushing force to give way for inserting the plug 60, at this time, the second elastic member 414 is compressed, and the latch 420 is clamped in the limiting clamping groove 413. The specific material and structure of the second elastic member 414 and the shape are not required, and the second elastic member 414 in this embodiment is a spring or a shrapnel
The jump button 420, as shown in fig. 3, 4 and 17, comprises a second rotating shaft 421, a third elastic member 427 and a jump button body having a plate-like structure; the jump button main body is provided with a bump 422, a passive bump 423, a swing arm 424, a limit groove 425 and a second through hole 428; the second through hole 428 penetrates one side of the jump button 420; the second rotating shaft 421 sequentially penetrates through the second through hole 428 and the second fixed housing 470, and two ends of the second rotating shaft 421 are respectively fixedly connected with the first fixed housing 460 and the third fixed housing 480, and the jump buckle 420 can rotate around the second rotating shaft 421; the bump 422, the limiting groove 425 and the passive protrusion 423 are sequentially arranged along the axial direction of the second through hole 428; the swing arm 424 and the bump 422 are both arranged on the same side of the jump button body; the protruding block 422 is clamped in the limit clamping groove 413 of the lock catch 410; the third elastic member 427 is sleeved on the second rotating shaft 421, one end of the third elastic member 427 is fixedly connected with the second fixing housing 470, and the other end extends into the limiting groove 425 to be abutted with the jump buckle main body; in the process of inserting the plug 60 into the conductive chuck 30, the passive protrusion 423 is abutted against the housing 613 of the plug 60, so that the protruding block 422 is blocked into the limit clamping groove 413 to be locked. When the protrusion 422 is disengaged from the limiting slot 413 and unlocked, the swing arm 424 drives the trip bar 430 of the operating mechanism 40, so that the trip bar 430 is separated. The specific material and structure of the third elastic member 427 are not required, and the third elastic member 427 can be realized by adopting a torsion spring, in this embodiment, two ends of the third elastic member 427 are respectively provided with a first fixing pin and a second fixing pin, which are protruded, the first fixing pin is fixed with the second fixing housing 470, and the second fixing pin is clamped into the limiting groove 425, thereby realizing the limiting of the third elastic member 427.
The trip bar 430, as shown in fig. 3, 4 and 18, includes a third rotation shaft 431, a first link 434, and a trip bar body having a bar-shaped structure; one end of the trip bar main body is provided with a third through hole 435, and the other end is provided with a connecting rod first connecting hole 433 and a groove 432; the third rotating shaft 431 is penetrating through the third through hole 435, and two ends of the third rotating shaft 431 are fixedly connected with the first fixed housing 460 and the third fixed housing 480 respectively, and the trip bar 430 can rotate around the third rotating shaft 431; the first connecting rod 434 has a U-shaped structure, one end of the first connecting rod 434 is inserted into the first connecting hole 433 of the connecting rod, and the other end is connected with the crank 440; the groove 432 abuts against the swing arm 424 of the latch 410, and receives the driving of the swing arm 424.
The crank 440, as shown in fig. 3, 4 and 19, includes a fourth rotation shaft 441, a fourth elastic member 445, and a crank body having a plate-like structure; a fourth through hole is formed in the middle of the crank main body, a connecting rod second connecting hole 442 and a connecting rod third connecting hole 443 are formed in one side of the crank main body, and an elastic piece fixing hole 444 is formed in the other side of the crank main body; the fourth rotating shaft 441 is disposed through the fourth through hole, and two ends of the fourth rotating shaft 441 are fixedly connected with the first fixed housing 460 and the third fixed housing 480 respectively, and the crank 440 can rotate around the fourth rotating shaft 441; the other end of the first connecting rod 434 is inserted into the connecting rod second connecting hole 442; one end of the fourth elastic member 445 is fixed in the elastic member fixing hole 444, and the other end is fixedly connected with the first fixing case 460; the specific material and structure of the fourth elastic member 445 and the shape are not required, and the fourth elastic member 445 in this embodiment may be a torsion spring. The other end of the first link 434 is inserted into the link second connection hole 442 of the crank 440, and the crank body is connected with the fixing base 450 through the link third connection hole 443.
The fixing base 450, as shown in fig. 3, 4 and 20, includes a second link 446, a fifth rotation shaft 454 and a fixing base body having a plate-shaped structure; the fixing base body includes an installation clamping groove 451, a connecting rod fourth connection hole 452 and a fifth through hole 453; the fourth connecting hole 452 and the fifth through hole 453 of the connecting rod are respectively arranged at two ends of the fixing seat main body; the fifth rotating shaft 454 is arranged through the fifth through hole 453, and two ends of the fifth rotating shaft 454 are fixedly connected with the first fixed shell 460 and the third fixed shell 480 respectively; one end of the second connecting rod 446 is arranged through the connecting rod third connecting hole 443 of the crank 440, and the other end is arranged through the connecting rod fourth connecting hole 452; the mounting slot 451 is formed on the side of the fixing base body facing away from the crank 440.
The switch 50, as shown in fig. 3 and 4, includes a moving contact 510 and a fixed contact 520 in a plate-like structure; the moving contact 510 is mounted in the mounting slot 451 of the fixing base 450, and the fixing base 450 and the moving contact 510 can rotate around the fifth rotation shaft 454. The stationary contact 520 is installed between the first and third fixed housings 460 and 480; the end of the movable contact 510, which is away from the fifth rotating shaft 454, is provided with a movable contact 512; the end of the fixed contact 520 far from the fifth rotating shaft 454 is provided with a fixed contact 521, and the movable contact 512 is matched with the fixed contact 521. The switch 50 further comprises an arc-blowing permanent magnet, an arc striking angle and an arc extinguishing chamber, and is used for arc blowing and arc extinguishing, so that the switch 50 is not burnt out, and the service life of the direct current socket is prolonged. To cope with higher dc voltages, the switch 50 may further be provided with more than one pair of moving contacts 510 and corresponding stationary contacts 520 connected in series.
The specific implementation method comprises the following steps: as shown in fig. 21, when the plug 60 is inserted into the socket, the plug 60 moves downward, first contacts the protection bevel 321 of the protection cover 320, under the action of the pushing force of the plug 60, the protection cover 320 is unseated for the plug 60, the metal conductor 310 contacts the column foot of the plug 60, at this time, the plug 60 continues to move downward, the driving protrusion 611 on the housing 613 of the plug 60 contacts the lug 412 of the latch 410, the protrusion bevel 612 on the driving protrusion 611 contacts the lug 412 and can provide a pushing force towards the outside of the socket for the lug 412, under the action of the pushing force, the latch 410 rotates around the first rotation shaft 411 to unseat for the insertion of the plug 60, the second elastic member 414 is compressed, meanwhile, the passive protrusion 423 of the latch 420 rotates clockwise under the action of the housing 613 of the plug 60, meanwhile, the protrusion 422 of the latch 420 is clamped into the limit clamping groove 413, and the third elastic member 427 is compressed to store energy.
When the plug 60 continues to move downwards, the lower edge of the insulating shell of the plug 60 presses against the trip bar 430, and the lock catch 410, the trip bar 420, the trip bar 430, the crank 440, the fixing seat 450, the first connecting rod 434 and the second connecting rod 446 form a multi-connecting rod mechanism, and after the mechanism passes through a dead point, the multi-connecting rod mechanism is quickly closed and self-locked, so that the switch 50 is turned on.
As shown in fig. 22, when the plug 60 is pulled out from the socket, the plug 60 moves upward, the protrusion inclined surface 612 on the active protrusion 611 contacts with the lug 412 and can provide a pushing force to the lug 412 towards the outside of the socket, under the action of the pushing force, the latch 410 rotates around the first rotation shaft 411, at this time, the protrusion 422 of the latch 420 is separated from the limit slot 413, under the action of the elastic force of the third elastic member 427, the latch 420 rotates around the second rotation shaft 421, so that the swing arm 424 drives the trip bar 430 to rotate clockwise, and after the multi-link mechanism passes over the dead point of the mechanism, the moving contact 510 is driven to be rapidly separated from the fixed contact 520 and keep the switch 50 to be disconnected, the generated arc is rapidly extinguished under the combined action of the arc extinguishing permanent magnet and the arc extinguishing chamber, at this time, the whole socket is in the disconnected state.
At this time, the plug 60 is continuously pulled out, the column foot of the plug 60 leaves the metal conductor 310 of the socket, so that the plug 60 is not pulled out in a live mode, and the safety of electric equipment is protected.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (6)
1. The utility model provides a be applied to direct current socket in low voltage direct current field which characterized in that includes: a socket body (10);
the socket main body (10) comprises an insulating shell (20), a conductive chuck (30) arranged in the insulating shell (20), an operating mechanism (40) and a switch (50);
the conductive chuck (30) is electrically connected with the switch (50);
one end of the switch (50) is connected with a power supply, and the other end of the switch is connected with the conductive chuck (30);
the switch (50) is mounted on the operating mechanism (40);
-said operating mechanism (40) for adjusting the closing state of said switch (50);
an insulating jack (210) corresponding to the conductive chuck (30) is formed in the insulating shell (20);
a plug (60) is connected with the conductive chuck (30) through the insulating jack (210);
the operating mechanism (40) comprises a lock catch (410), a jump buckle (420), a trip bar (430), a crank (440) and a fixed seat (450);
the lock catch (410) is clamped with the jump buckle (420);
the trip buckle (420) is abutted with the trip bar (430);
the crank (440) is respectively connected with the tripping rod (430) and the fixed seat (450);
the switch (50) is arranged on the fixed seat (450) and the insulating shell (20);
in the process of inserting the plug (60) into the conductive chuck (30), the lock catch (410) and the jump buckle (420) are abutted with the plug (60);
the operating mechanism (40) further comprises a first fixed housing (460), a second fixed housing (470) and a third fixed housing (480);
the first fixed shell (460), the second fixed shell (470) and the third fixed shell (480) are sequentially and fixedly connected to form a containing cavity for installing the conductive chuck (30), the operating mechanism (40) and the switch (50);
the lock catch (410) is rotationally connected with the first fixed shell (460) and the second fixed shell (470);
the jump buckle (420) is rotationally connected with the first fixed shell (460) and the third fixed shell (480);
the trip bar (430) is rotatably connected with the first fixed shell (460) and the third fixed shell (480);
the crank (440) is rotatably connected with the first fixed shell (460) and the third fixed shell (480);
the fixed seat (450) is rotationally connected with the first fixed shell (460) and the third fixed shell (480);
the lock catch (410) comprises a first rotating shaft (411), a second elastic piece (414) and a lock catch main body with an arc-shaped structure;
the lock catch main body is provided with a lug (412), a limiting clamping groove (413) and a first through hole (415);
the first through hole (415) and the lug (412) are respectively arranged at two ends of the lock catch main body;
the first rotating shaft (411) passes through the first through hole (415), and two ends of the first rotating shaft (411) are fixedly connected with the first fixed shell (460) and the second fixed shell (470) respectively;
the second elastic piece (414) is arranged between the lock catch main body and the second fixed shell (470), and two ends of the second elastic piece (414) are fixedly connected with the lock catch main body and the second fixed shell (470) respectively;
the limiting clamping groove (413) is formed in the side surface, away from the second elastic piece (414), of the lock catch main body, and the jump buckle (420) is clamped in the limiting clamping groove (413);
the second elastic piece (414) and the limit clamping groove (413) are arranged on one side, facing the first through hole (415), of the lock catch main body;
the lug (412) is abutted with the plug (60) in the process of inserting the plug (60) into the conductive chuck (30);
the jump button (420) comprises a second rotating shaft (421), a third elastic piece (427) and a jump button main body with a plate-shaped structure;
the jump buckle main body is provided with a bump (422), a passive bump (423), a swing arm (424), a limit groove (425) and a second through hole (428);
the second through hole (428) penetrates through one side of the jump buckle (420);
the second rotating shaft (421) is arranged through the second through hole (428), and two ends of the second rotating shaft (421) are fixedly connected with the first fixed shell (460) and the third fixed shell (480) respectively;
the protruding block (422), the limiting groove (425) and the passive protrusion (423) are sequentially arranged along the axial direction of the second through hole (428);
the swing arm (424) and the lug (422) are arranged on the same side of the jump button main body;
the protruding block (422) is clamped in a limit clamping groove (413) of the lock catch (410);
the third elastic piece (427) is sleeved on the second rotating shaft (421), one end of the third elastic piece (427) is fixedly connected with the second fixed shell (470), and the other end of the third elastic piece extends into the limit groove (425) to be in butt joint with the jump buckle main body;
the passive protrusion (423) is abutted with the plug (60) in the process of inserting the plug (60) into the conductive chuck (30);
the trip bar (430) comprises a third rotating shaft (431), a first connecting rod (434) and a trip bar main body with a bar-shaped structure;
one end of the trip bar main body is provided with a third through hole (435), and the other end of the trip bar main body is provided with a connecting rod first connecting hole (433) and a groove (432);
the third rotating shaft (431) is arranged through the third through hole (435), and two ends of the third rotating shaft (431) are fixedly connected with the first fixed shell (460) and the third fixed shell (480) respectively;
the first connecting rod (434) is in a U-shaped structure, one end of the first connecting rod penetrates through the first connecting hole (433) of the connecting rod, and the other end of the first connecting rod is connected with the crank (440);
the groove (432) is abutted with the swing arm (424) of the lock catch (410);
the crank (440) comprises a fourth rotating shaft (441), a fourth elastic member (445) and a crank body having a plate-like structure;
a fourth through hole is formed in the middle of the crank main body, a connecting rod second connecting hole (442) and a connecting rod third connecting hole (443) are formed in one side of the crank main body, and an elastic piece fixing hole (444) is formed in the other side of the crank main body;
the fourth rotating shaft (441) is arranged through the fourth through hole, and two ends of the fourth rotating shaft (441) are fixedly connected with the first fixed shell (460) and the third fixed shell (480) respectively;
the other end of the first connecting rod (434) is penetrated into the connecting rod second connecting hole (442);
one end of the fourth elastic piece (445) is fixed in the elastic piece fixing hole (444), and the other end of the fourth elastic piece is fixedly connected with the first fixing shell (460);
the crank main body is connected with the fixed seat (450) through the connecting rod third connecting hole (443);
the fixed seat (450) comprises a second connecting rod (446), a fifth rotating shaft (454) and a fixed seat main body with a plate-shaped structure;
the fixing seat main body comprises an installation clamping groove (451), a connecting rod fourth connecting hole (452) and a fifth through hole (453);
the fourth connecting hole (452) and the fifth through hole (453) of the connecting rod are respectively arranged at two ends of the fixing seat main body;
the fifth rotating shaft (454) is arranged through the fifth through hole (453) in a penetrating manner, and two ends of the fifth rotating shaft (454) are fixedly connected with the first fixed shell (460) and the third fixed shell (480) respectively;
one end of the second connecting rod (446) is penetrated through a connecting rod third connecting hole (443) of the crank (440), and the other end is penetrated through a connecting rod fourth connecting hole (452);
the mounting clamping groove (451) is formed in the side surface of the fixing seat main body, which faces away from the crank (440);
the switch (50) comprises a movable contact (510) and a fixed contact (520) which are in plate-shaped structures;
the movable contact (510) is arranged on the fixed seat (450);
the fixed contact (520) is arranged between the first fixed shell (460) and the third fixed shell (480);
the end part of the movable contact (510) deviating from the fifth rotating shaft (454) is provided with a movable contact (512);
the end part of the fixed contact (520) far away from the fifth rotating shaft (454) is provided with a fixed contact (521), and the movable contact (512) is matched with the fixed contact (521);
the switch (50) further comprises an arc-striking permanent magnet, an arc striking angle and an arc extinguishing chamber.
2. A dc socket for use in the low voltage dc field according to claim 1, wherein the conductive clip (30) comprises a metal conductor (310), a shield (320) and a first elastic member (330);
the metal conductor (310) is of a chuck structure and is arranged along the plug (60) inserting and pulling direction;
the metal conductor (310) is electrically connected to the switch (50);
the protective cover (320) is covered at the opening position of the metal conductor (310);
one end of the first elastic piece (330) is fixedly connected with the protective cover (320), and the other end of the first elastic piece is fixedly connected with the insulating shell (20).
3. A dc socket for use in the low voltage dc field according to claim 2, wherein the side of the shield (320) facing the first elastic member (330) is provided with a positioning shaft (322);
one end of the first elastic piece (330) facing the protective cover (320) is sleeved on the positioning shaft (322).
4. A dc outlet for use in the low voltage dc field according to claim 3, wherein the number of the positioning shafts (322) is the same as the number of the first elastic members (330).
5. A direct current socket for application in the field of low voltage direct current according to claim 2, characterized in that the side of the shield (320) facing away from the metal conductor (310) is provided as a shield bevel (321);
the height of the protection bevel (321) from the metal conductor (310) gradually decreases from the side facing the spring to the side facing away from the spring.
6. The direct current socket for low voltage direct current field according to claim 1, wherein two sides of the second fixed housing (470) are respectively clamped with the first fixed housing (460) and the third fixed housing (480).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210302921.8A CN114784578B (en) | 2022-03-24 | 2022-03-24 | Direct current socket applied to low-voltage direct current field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210302921.8A CN114784578B (en) | 2022-03-24 | 2022-03-24 | Direct current socket applied to low-voltage direct current field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114784578A CN114784578A (en) | 2022-07-22 |
| CN114784578B true CN114784578B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210302921.8A Active CN114784578B (en) | 2022-03-24 | 2022-03-24 | Direct current socket applied to low-voltage direct current field |
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| Country | Link |
|---|---|
| CN (1) | CN114784578B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069745Y (en) * | 2007-06-07 | 2008-06-04 | 浙江正泰电器股份有限公司 | An operating mechanism of small residual current action breaker |
| CN112993684A (en) * | 2019-12-12 | 2021-06-18 | 北京京人电器有限公司 | Socket |
-
2022
- 2022-03-24 CN CN202210302921.8A patent/CN114784578B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069745Y (en) * | 2007-06-07 | 2008-06-04 | 浙江正泰电器股份有限公司 | An operating mechanism of small residual current action breaker |
| CN112993684A (en) * | 2019-12-12 | 2021-06-18 | 北京京人电器有限公司 | Socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114784578A (en) | 2022-07-22 |
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