CN104577402B - Electrical connection self-locking terminal - Google Patents

Electrical connection self-locking terminal Download PDF

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Publication number
CN104577402B
CN104577402B CN201510033667.6A CN201510033667A CN104577402B CN 104577402 B CN104577402 B CN 104577402B CN 201510033667 A CN201510033667 A CN 201510033667A CN 104577402 B CN104577402 B CN 104577402B
Authority
CN
China
Prior art keywords
seat
electrical connection
move back
entrance hole
locking terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510033667.6A
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Chinese (zh)
Other versions
CN104577402A (en
Inventor
李树聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan vorthong Electrical Technology Co. Ltd.
Original Assignee
Zhongshan Vorthong Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Vorthong Electrical Technology Co Ltd filed Critical Zhongshan Vorthong Electrical Technology Co Ltd
Priority to CN201510033667.6A priority Critical patent/CN104577402B/en
Publication of CN104577402A publication Critical patent/CN104577402A/en
Application granted granted Critical
Publication of CN104577402B publication Critical patent/CN104577402B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/06Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5016Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/52Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw which is spring loaded

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The invention discloses an electrical connection self-locking terminal. The electrical connection self-locking terminal comprises a wire inlet hole base, a guide wire pressing conical shaft, a rear base and a spring, wherein the guide wire pressing conical shaft is axially arranged in the wire inlet hole base, and the rear base is connected with the wire inlet hole base. A gap for wires to enter the electrical connection self-locking terminal is formed between the wire inlet hole base and the guide wire pressing conical shaft. The guide wire pressing conical shaft comprises a pressure bearing portion and a branching conical portion. A first step is arranged between the pressure bearing portion and the branching conical portion. The wire inlet hole base is provided with a second step corresponding to the first step. The first step is matched with the second step so that the wires can be clamped or released along with the axial action of the spring. The electrical connection self-locking terminal further comprises a lock withdrawing mechanism with a lock withdrawing piece. The lock withdrawing piece is connected with the guide wire pressing conical shaft. The lock withdrawing mechanism is further provided with a lock withdrawing button. The lock withdrawing piece is a sliding frame. The lock withdrawing button is provided with a conical portion. The sliding frame pulls the conical portion of the lock withdrawing button. The axis direction of the lock withdrawing button is perpendicular to that of the sliding frame. The rear base is internally provided with a guide limiting groove used for allowing the lock withdrawing piece to axially move.

Description

Electrical connection self-locking terminal
Technical field
The present invention relates to a kind of electrical connection arrangement, be electrically connected self-locking end particularly to one Son.
Background technology
Current era, electricity is with people's Working Life with inseparable, and the transmission of electric energy is by electricity The circuit distribution of net is sent to each place of people's Working Life.Owing to fax is defeated by circuit Extending, unavoidable branch, the connection of bifurcated line end, the quality of connection of wire directly affects electric energy Safety, reliability and the service life of transmission.Often there is line fault also in line transmission Causing various electrical hazard, wherein reason has the closest pass with the quality of electrical connection Connection.
For the connection of line end, the mode that prior art is taked is, needs cross folding to be wound around the end of a thread, Using multiple types of tools and accessory, operation many consumptions line is many, time-consuming, and quality is by operation skill simultaneously Can affect, safe life, reliability that the end of a thread connects hardly result in guarantee.
It addition, in electric wiring engineering, circuit passes through in different geographical environments, and wire connects Head by climate cold and hot affect to shrink move back pine, it is also possible to affected by moist erosion, particularly water In or the buried pipeline passed through, terminal can be oxidized, and after oxidation, contact surface can produce resistance, When electric current passes through, heating causes line fault or electrical hazard.
Owing to the safety of electricity consumption is by people's pay attention to day by day, and the technical scheme solution that there is presently no Certainly the problems referred to above.
Summary of the invention
For overcoming the problems referred to above, the invention provides one and connect quick, use safety, cost Low electrical connection self-locking terminal.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes entrance hole seat, be axially mounted in entrance hole seat the guiding line ball axis of cone, Back seat and spring, described entrance hole seat is axially connected with back seat, and described entrance hole seat is pressed with guiding It is provided with in there is between the line axis of cone gap making electric wire enter, described back seat and entrance hole seat and lays The spring cavity of spring, one end of described spring is pressed on back seat, and the other end is pressed on guiding pressure The pressure-bearing portion of the line axis of cone, the described guiding line ball axis of cone includes pressure-bearing portion and separated time tapering, described in hold Having first step between splenium and separated time tapering, described entrance hole seat has and first step phase Corresponding second step, described first step matches with described second step can be along with spring Axial action blocks electric wire or release electric wire, and described electrical connection self-locking terminal also includes moving back lock machine Structure, described in move back latch mechanism and have and move back latch fitting, described in move back latch fitting and be connected with guiding the line ball axis of cone, institute State and move back latch mechanism and also have and move back cage knob, described in move back latch fitting be sliding sash, described in move back cage knob there is tapering, Described sliding sash is held and is moved back the tapering of cage knob, described in move back the axis direction of cage knob perpendicular with sliding sash, It is provided with in described back seat for moving back the guide and limit groove that latch fitting moves axially.
Be provided with in described back seat accommodating move back cage knob move back cage knob hole.
Described entrance hole seat has appearance insulative water-proof sheath with the appearance of back seat.
Described back seat is logical, two-way or a three-port structure.
Described entrance hole seat is integrated with back seat.
Described electrical connection self-locking terminal also includes the fixing device being connected with other equipment.
The invention has the beneficial effects as follows:
The guiding line ball cone that there is entrance hole seat due to the present invention, be axially mounted in entrance hole seat Axle, back seat and the spring being arranged in back seat, after the end of a thread enters entrance hole seat, by spring pressure In rear-facing seat, the axial gap between first step and second step becomes big, and the end of a thread can be along guiding The surface of the line ball axis of cone is distributed forward, when stopping pushing away forward, and spring reset, it is directed to line ball Cone axially outer pressure, the axial gap between first step and second step diminishes, line the most at last Head is stuck between two steps and realizes self-locking.The connection terminal of this structure saves time quick square in connection Just, it is not necessary to aid, it is not necessary to be wound around the end of a thread, it is not necessary to adhesive plaster wraps up, time saving and energy saving, line is saved Energy-conservation, do not affected by operant skill, quality of connection is secure, thus solves electrical connection The technological deficiency existed, will be greatly improved indoor and outdoor electrical engineering, the peace of electric mounting wiring Dress efficiency and the quality of line transmission.And when the most outwards pullling electric wire, first step and second Axial gap between step is the least, blocks the end of a thread power the biggest, and the end of a thread cannot be deviate from, Safe and reliable.The connected mode of prior art such as screw and line are intertwined and connected mode, by cold and hot ring The impact in border, the end of a thread can move back pine, oxidation, causes loose contact, and the present invention is passed by spring Passing line ball power, pressure is the most automatically to follow so that wiring will not produce pine and move back and cause contacting not Good, solve long-standing another technological deficiency, safe and reliable.
On this basis, this connection terminal also has and moves back line mechanism.Move back line structure to be easy to connect flexibly Connect, enable the invention to reuse simultaneously, reduce use cost.
On this basis, appearance insulative water-proof sheath is set outside electrical connection self-locking terminal, can With self sealss, waterproof and dampproof antioxidation after insulation, line, make electrical connection self-locking terminal extensive For various occasions, it is particularly well-suited to adverse circumstances, such as cold frozen soil, wet environment, acidity Alkaline environment and underwater environment etc..
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is one embodiment of the present invention generalized section;
Fig. 2 is the connection diagram moving back locking bar and the guiding line ball axis of cone in structure shown in Fig. 1;
Fig. 3 is that the section that in structure shown in Fig. 1, entrance hole seat matches with the guiding line ball axis of cone shows It is intended to;
Fig. 4 is the outline schematic diagram of structure shown in Fig. 1;
Fig. 5 is the partial cutaway schematic of another embodiment of the invention;
Fig. 6 is the generalized section that structure shown in Fig. 5 connects electric wire;
Fig. 7 is the profile of the back seat in structure described in Fig. 5;
Sliding sash in structure shown in Fig. 8 Fig. 5 and the connection diagram guiding the line ball axis of cone;
Fig. 9 is the outline schematic diagram of structure shown in Fig. 5;
Figure 10 is another embodiment structural representation of the present invention;
Figure 11 is the outline schematic diagram of structure shown in Figure 10;
Figure 12 is the schematic diagram that the present invention includes fixing device.
Detailed description of the invention
Fig. 1 to Fig. 4, it is shown that one embodiment of the present invention, for electric wire and electrical equipment Connection.The back seat of this mode is one to lead to structure.Including entrance hole seat 1, it is axially mounted to The guiding line ball axis of cone 3, back seat 2 and spring 4 in entrance hole seat, described entrance hole seat 1 with Back seat 2 axially connects, and entrance hole seat 1 can be threadeded with back seat 2, it is also possible to be one 's.The described guiding line ball axis of cone 3 includes pressure-bearing portion 31 and separated time tapering 32, described pressure-bearing portion Having first step 33 between 31 and separated time tapering 32, described entrance hole seat 1 has and first The second step 11 that step 33 is corresponding, described entrance hole seat 1 with guide the line ball axis of cone 3 it Between there is the gap 5 making electric wire enter, described entrance hole seat 1 and back seat 2 are provided with installation bullet The spring cavity 6 of spring, one end of described spring 4 is pressed on back seat 2, and the other end is pressed on leads To the pressure-bearing portion 31 of the line ball axis of cone.See that Fig. 3, described gap 5 include entrance hole seat 1 and guide Radial clearance 51 between the pressure-bearing portion 31 of the line ball axis of cone 3 and first step 33 and second Axial gap 52 between rank 11.The wherein axle between first step 33 and second step 11 Can change with the action of spring 4 to gap 52, when i.e. spring 4 is compressed, axial gap 52 become big, and when spring 4 resets, axial gap 52 diminishes.The diameter in pressure-bearing portion 33 should be big The diameter of entrance hole 12 in entrance hole seat 1, makes the guiding line ball axis of cone 3 will not be from entrance hole Seat 1 is deviate from.
In order to ensure quality of connection and reusable, electrical connection self-locking terminal also includes moving back Latch mechanism 7.Described move back latch mechanism 7 include with guide the line ball axis of cone 3 be connected move back latch fitting. The described latch fitting that moves back is to move back locking bar 71.See Fig. 2, move back locking bar 71 and guide the line ball axis of cone 3 Connected mode is threaded, and both can also be connected with the technological means that the art is usual Connect.Move back locking bar can be move back ejector half move back locking bar 71, it is also possible to be pulling type move back locking bar 7. Lead to structure for one, during operation, promote and move back locking bar 71 or pull and move back locking bar 74, move back locking bar axle To movement, thus the band action-oriented line ball axis of cone 3 moves axially, and makes first step 33 and second Axial gap 52 between step 11 becomes big, loses the chucking power to the end of a thread, the end of a thread just from Entrance hole seat 1 pulls out, it is achieved move back lock.
See Fig. 4-Fig. 9, it is shown that another embodiment of the invention, for electric wire and electric wire Connect.The back seat of this mode is two-way structure.Including entrance hole seat 1, be axially mounted to into The guiding line ball axis of cone 3, back seat 2 and spring 4 in string holes seat, described entrance hole seat 1 with after Seat 2 axially connects, and the described guiding line ball axis of cone 3 includes pressure-bearing portion 31 and separated time tapering 32, There is between described pressure-bearing portion 31 and separated time tapering 32 first step 33, described entrance hole seat 1 Having the second step 11 corresponding with first step 33, described entrance hole seat 1 is pressed with guiding There is the gap 5 making electric wire enter, in described entrance hole seat 1 and back seat 2 between the line axis of cone 3 Being provided with the spring-loaded spring cavity 6 of peace, one end of described spring 4 is pressed on back seat 2, another End is pressed on the pressure-bearing portion 31 guiding the line ball axis of cone.The described latch mechanism 7 that moves back also includes moving back cage knob 72, described in move back latch fitting be a pair sliding sash 73, sliding sash 73 is connected with guiding the line ball axis of cone 3. See that Fig. 8, sliding sash 73 are that fastener mode is connected, also with the connected mode guiding the line ball axis of cone 3 Can be thread connecting mode, it is also possible to be the usual technological means of the art.Described move back Cage knob 72 has a tapering 721, and described sliding sash 73 holds the tapering 721 moving back cage knob, described in move back The axis direction of cage knob 72 is perpendicular with sliding sash 73, is provided with for sliding sash in described back seat 2 The guide and limit groove 21 that 73 move axially.It is provided with in described back seat 2 to house and moves back moving back of cage knob 72 Cage knob hole 22.Seeing Fig. 5, preferably, moving back cage knob 72 has two to be connected and relative Tapering 721, this structure, move back cage knob from both direction pressing and can move back lock.One leads to structure Back seat can also use this structure move back latch mechanism.
For this two-way structure, principle and the program of moving back lock are that cage knob 72 is moved back in pressing, when Moving back cage knob 72 when moving down, described tapering 721 becomes big along with the diameter of section in tapering 721, cone Portion 721 just pulls sliding sash 73, sliding sash 73 to pull the guiding line ball axis of cone 3 leading along back seat 2 Move axially to stopper slot 21, make between the axial direction between first step 33 and second step 11 Gap 52 becomes big, loses the chucking power to the end of a thread, and the end of a thread just pulls out from entrance hole seat 1, Lock is moved back in realization.Move back cage knob 72 and be also designed to knob-style (not shown), make to move back the cone of cage knob Portion moves, so can be more laborsaving.
See Fig. 9-Figure 10, it is shown that another embodiment of the present invention, for electric wire and electric wire Connection.The back seat of this mode is three-port structure.Its structure is close with two-way structure, herein Do not repeat.Certainly, back seat can also is that the structure of more than threeway.
The wiring self-locking program of above-mentioned three kinds of embodiments is identical, as a example by Fig. 6, by the end of a thread 9 It is inserted in the entrance hole 12 of string holes seat 1, makes the guiding line ball axis of cone 3 owing to inserting the end of a thread 9 Bear pressure, press to spring 4, in back seat 2, make the axle between first step and second step Become big to gap 52, the end of a thread 9 by after the separated time of separated time tapering 32 through becoming big axial gap 52 enter into string holes seat 1 and the radial clearance 51 guided between the line ball axis of cone 3 pressure-bearing portion 31 In, and the end of a thread is distributed to around pressure-bearing portion 31, when stopping pushing away the end of a thread 9 forward, spring 4 reset, and are directed to the line ball axis of cone 3 and press to outside, the axle between first step and second step Diminishing to gap 52, the end of a thread is stuck between two steps and realizes self-locking the most at last.
In order to make junction seal, play insulation and waterproof effect, described entrance hole seat 1 with after The appearance of seat 2 has appearance insulative water-proof sheath 8.
In certain situations it is desirable to electrical connection self-locking terminal is fixed on equipment or wiring board On, see Figure 12, present invention additionally comprises fixing device 10.
The present invention can be made into the connection of same specification aperture compatible multiple section wire, versatility By force, breach conventional male and female correspondence and connect limitation, be widely used in various environment electrical engineering Use and band lead-in wire electrically, electric equipment products, and can be contained in electrically, make power supply fenestra in electrical equipment It is connected with power supply plug, takies the few low cost of volume, follow-up the installing and using of product is saved time Saving of labor is efficient and convenient reliably.

Claims (6)

1. electrical connection self-locking terminal, it is characterised in that: include entrance hole seat, be axially mounted to The guiding line ball axis of cone, back seat and spring in entrance hole seat, described entrance hole seat is axial with back seat Connect, between described entrance hole seat and the guiding line ball axis of cone, there is the gap making electric wire enter, institute Being provided with the spring cavity laying spring in stating back seat and entrance hole seat, one end of described spring is pressed on On back seat, the other end is pressed on the pressure-bearing portion guiding the line ball axis of cone, described guiding line ball axis of cone bag Include pressure-bearing portion and separated time tapering, between described pressure-bearing portion and separated time tapering, there is first step, institute Stating entrance hole seat and have the second step corresponding with first step, described first step is with described Second step matches and can block electric wire or release electric wire, described electricity along with the axial action of spring Gas connects self-locking terminal and also includes moving back latch mechanism, described in move back latch mechanism and have and move back latch fitting, described in move back Latch fitting is connected with guiding the line ball axis of cone, described in move back latch mechanism and also have and move back cage knob, described in move back latch fitting For sliding sash, described in move back cage knob there is tapering, described sliding sash holds the tapering moving back cage knob, described in move back The axis direction of cage knob is perpendicular with sliding sash, is provided with and moves axially for moving back latch fitting in described back seat Guide and limit groove.
Electrical connection self-locking terminal the most according to claim 1, it is characterised in that: described Be provided with in back seat accommodating move back cage knob move back cage knob hole.
Electrical connection self-locking terminal the most according to claim 1, it is characterised in that: described Entrance hole seat has appearance insulative water-proof sheath with the appearance of back seat.
Electrical connection self-locking terminal the most according to claim 1, it is characterised in that: described Back seat is logical, two-way or a three-port structure.
Electrical connection self-locking terminal the most according to claim 1, it is characterised in that: described Described entrance hole seat is integrated with back seat.
Electrical connection self-locking terminal the most according to claim 1, it is characterised in that: described Electrical connection self-locking terminal also includes the fixing device being connected with other equipment.
CN201510033667.6A 2015-01-22 2015-01-22 Electrical connection self-locking terminal Active CN104577402B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510033667.6A CN104577402B (en) 2015-01-22 2015-01-22 Electrical connection self-locking terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510033667.6A CN104577402B (en) 2015-01-22 2015-01-22 Electrical connection self-locking terminal

Publications (2)

Publication Number Publication Date
CN104577402A CN104577402A (en) 2015-04-29
CN104577402B true CN104577402B (en) 2017-01-11

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109193185A (en) * 2018-08-13 2019-01-11 郑州泰恩科技有限公司 A kind of convenient electrical wire interface and motor protecter
CN110265798A (en) * 2019-05-27 2019-09-20 中山市英利莱电气科技有限公司 Quick wiring terminal
CN111509409B (en) * 2020-04-15 2021-12-03 贵州电网有限责任公司 Exempt from crimping intelligent terminal
CN114284832A (en) * 2021-12-13 2022-04-05 广州番禺电缆集团有限公司 Voltage-free wiring terminal and processing method thereof
CN114334267B (en) * 2021-12-28 2024-02-06 山西交投产业科技发展有限公司 Cable capable of preventing axial pressurization

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Effective date of registration: 20160706

Address after: 528400, Guangdong, Zhongshan Province town of Victoria Road, three East 10, one South Water Industrial Park, A6 building, five floor, third cards

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Applicant before: ZHONGSHAN YINGLILAI ELECTRICAL TECHNOLOGY CO., LTD.

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