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CN108346887B - Spring-connected ground terminal - Google Patents

Spring-connected ground terminal Download PDF

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Publication number
CN108346887B
CN108346887B CN201810328773.0A CN201810328773A CN108346887B CN 108346887 B CN108346887 B CN 108346887B CN 201810328773 A CN201810328773 A CN 201810328773A CN 108346887 B CN108346887 B CN 108346887B
Authority
CN
China
Prior art keywords
spring
edge
terminal
current
handle
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
CN201810328773.0A
Other languages
Chinese (zh)
Other versions
CN108346887A (en
Inventor
张天华
陈国华
葛亮
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.)
Phoenix Contact Asia Pacific Nanjing Co Ltd
Original Assignee
Phoenix Contact Asia Pacific Nanjing 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 Phoenix Contact Asia Pacific Nanjing Co Ltd filed Critical Phoenix Contact Asia Pacific Nanjing Co Ltd
Priority to CN201810328773.0A priority Critical patent/CN108346887B/en
Publication of CN108346887A publication Critical patent/CN108346887A/en
Priority to PCT/CN2019/082374 priority patent/WO2019196916A1/en
Priority to EP19785093.6A priority patent/EP3780283B1/en
Application granted granted Critical
Publication of CN108346887B publication Critical patent/CN108346887B/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
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • 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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821Single-blade spring
    • 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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846Busbar details
    • H01R4/485Single busbar common to multiple springs
    • 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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • 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
    • H01R31/08Short-circuiting members for bridging contacts in a counterpart
    • 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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483Pivoting arrangements, e.g. lever pushing on the spring
    • 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
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484Spring housing details

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention provides a spring-connected grounding terminal, which is used for being connected with a grounding end to realize grounding connection of a wire, wherein the grounding terminal comprises a current bar bracket, and at least one terminal is connected to the current bar bracket, wherein: the current strip support is provided with at least one current strip connecting end, wherein each current strip connecting end is connected with one end, the current strip support is provided with a second through hole connected with the grounding end, two sides of the second through hole are provided with positioning holes, and the positioning holes are matched with protruding parts arranged on the grounding end and used for fixing the position of the current strip support. The spring-connected grounding terminal can realize quick grounding of the wire under any condition, and can realize connection and extraction of the wire without any tool.

Description

Spring-connected ground terminal
Technical Field
The invention relates to the field of wiring terminals, in particular to a spring-connected grounding terminal.
Background
In the prior art, electrical devices such as machines and instruments are grounded in order to protect humans and animals from electric shock. For this purpose, the conductive components of the device, in particular the housing components, in which there is a possibility of touching contact with the person and which do not belong to the operating current circuit of the motor or the device, are connected to an earth line. The ground wire is connected with the operation ground of the power supply network. The devices can also be connected to a protective ground, for example in the ground, on the end user side, jointly or individually.
In order to commonly ground the electrical devices, a grounded ground wire is connected to all devices. For this purpose, a continuous ground line is used.
In the prior art, the grounding of the terminal is realized by adopting screw connection, a larger installation space is needed to realize the grounding of the terminal in the operation process, and in the implementation process, if the operation space in the cabinet is narrow, an operation tool cannot enter the cabinet, and connection of wires cannot be realized.
In the prior art, each grounding component can only realize the grounding of one terminal, and a plurality of terminals cannot be simultaneously grounded.
Disclosure of Invention
The invention aims to provide a spring-connected grounding terminal which can realize quick grounding of a wire under any condition and can realize connection and extraction of the wire without any tool.
A spring-connected ground terminal for connection with a ground terminal for effecting ground connection of a wire, said ground terminal comprising a current bar bracket to which at least one terminal is connected, wherein:
at least one current strip connecting end is arranged on the current strip support, and each current strip connecting end is connected with a terminal;
the terminal comprises a shell, a spring and a handle, wherein a first supporting bolt and a second supporting bolt are arranged in the shell, the spring is sleeved in the first supporting bolt, and the spring is in an open state and a closed state;
the shell is provided with a clamping groove;
the handle is provided with a through hole which is matched with the second supporting bolt; the handle is provided with a hollowed-out part;
the spring is characterized in that one end of the spring is provided with two supporting legs, the two supporting legs are connected with the actuating arm through a clamping arm, the actuating arm is in a contact or separation state with a wire inserted into the terminal, the clamping arm is rotatably arranged in the first supporting bolt, and the handle is bridged in the two supporting legs;
the actuating arm at the other end of the spring is matched with the current bar bracket and used for connecting a lead;
the current strip connecting end is provided with a bottom edge, and limiting arms which are connected with two side edges of the upper part of the bottom edge and are perpendicular to the bottom edge, wherein each limiting arm is provided with a transition edge, a limiting edge and a clamping edge which is connected with the transition edge and the limiting edge;
when the spring is in a closed state, the hollowed-out part is matched with the clamping groove, and two support legs of the spring are contacted with the clamping edge; when the spring is in an open state, the hollowed-out part and the clamping groove are in a separated state, and the two support legs of the spring are in a separated state from the connecting end of the current strip;
the current strip support is provided with a through hole connected with the grounding end, positioning holes are formed in two sides of the through hole, and the positioning holes are matched with protruding portions arranged on the grounding end and used for fixing the position of the current strip support.
Further, a bottom edge of the current bar connecting end is provided with a bevel edge, wherein the bevel edge is connected with the bottom edge, and the bevel edge forms a certain angle with the bottom edge.
Further, a plurality of evenly distributed convex grooves are arranged on one side of the bottom edge, which is contacted with the lead.
Further, a convex hull protruding out of the plane of the current bar bracket is arranged at the upper part of the through hole arranged on the current bar bracket.
Further, a curved surface with the same curved direction as the convex hull is arranged at the bottom of the current bar bracket.
Further, a first stopper is provided on the handle, and when the handle is in the open state, the first stopper extends out from between the two legs, and the front end of the handle is in contact with the two legs of the spring.
Further, two positioning springs are respectively arranged on two sides of two supporting legs of the spring, which are contacted with the shell, wherein the first positioning spring is positioned at the position where the supporting legs are connected with the clamping arms, the second positioning spring is positioned at the end parts of the supporting legs, the first positioning spring is in a contact or separation state with a first flange arranged on the shell, when the first positioning spring is in a contact state with the first flange, the spring is in an opening state, and when the first positioning spring is in a separation state with the first flange, the spring is in a closing state;
the second positioning spring is in a contact or separation state with a second flange arranged on the shell, wherein the height of the second flange relative to the bottom of the shell is the same as the height of the transition edge arranged on the connecting end of the current strip relative to the bottom of the shell, when the second positioning spring is in a contact state with the second flange, the spring is in an opening state, when the second positioning spring is in a separation state with the second flange, the spring is in a closing state, and at the moment, the second positioning spring is positioned in a clamping edge arranged on the connecting end of the current strip.
Further, the number of the current bar connecting ends is 3.
According to the technical content, the grounding terminal connected with the spring is characterized in that at least one terminal is connected to the current bar support, and a plurality of terminals can be connected to one current bar support, so that the connection efficiency is improved.
The terminal comprises a shell, a spring and a handle, wherein in the wire connection process, wires can be reliably connected into the terminal by operating the handle without external tools, and a large operation space is not required to be reserved in a cabinet.
The current strip support is provided with the through-hole that is connected with the earthing terminal, the through-hole both sides are provided with the locating hole, the locating hole cooperates with the bellying that the earthing terminal set up for the position of fixed current strip support, and the fixed of current strip support is realized in the cooperation of through-hole and locating hole, simple structure.
The upper part of the through hole arranged on the current bar support is provided with a convex hull protruding out of the plane of the current bar support, and when the grounding end is not in plane contact with the contact end of the current bar support, the convex hull can adjust the position of the current bar support so that the position of the current bar support is in a plane.
A plurality of evenly distributed convex grooves are formed in one side, in contact with the lead, of the bottom edge, friction between the lead and the bottom edge of the current strip is increased by the convex grooves, and the lead is not easy to fall off from the terminal.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent. In addition, all combinations of claimed subject matter are considered part of the disclosed inventive subject matter.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the invention, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the structure of the present invention with 1 terminal.
Fig. 2 is a schematic view of the structure of the present invention with 3 terminals.
Fig. 3 is a schematic view of the handle of the present invention in a closed configuration.
Fig. 4 is a schematic view of the handle of the present invention in a configuration intermediate the open and closed positions.
Fig. 5 is a schematic view of the handle of the present invention in an open configuration.
Fig. 6 is a schematic structural view of the current bar bracket of the present invention.
Fig. 7 is a schematic view of the structure of the spring of the present invention.
Description of the embodiments
For a better understanding of the technical content of the present invention, specific examples are set forth below, along with the accompanying drawings.
Aspects of the invention are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
As shown in fig. 1 to 7, a spring-connected ground terminal for connection with a ground terminal to achieve a ground connection of a wire, the ground terminal includes a current bar bracket 5, at least one terminal 6 is connected to the current bar bracket 5, and the present invention provides a schematic structural diagram for connecting 1 terminal 6 and 3 terminals 6, wherein: at least one current bar connecting end 7 is arranged on the current bar bracket 5, and each current bar connecting end 7 is connected with a terminal 6. When the current bar support 5 is connected with 3 terminals 6, the current bar connecting end 7 and the current bar support are connected into a whole through the cantilever 35.
As shown in fig. 1. The terminal 6 comprises a shell, a spring 4 and a handle 3, wherein the shell is provided with a conductor introducing opening 8, and a clamping groove 9 is formed in the shell.
The shell is divided into a left shell 1 and a right shell 2, the spring 4 and the handle 3 are both positioned in the shell, a first supporting bolt 10 and a second supporting bolt 11 are arranged in the shell, the spring 4 is sleeved in the first supporting bolt 10, and the spring 4 is in an open state and a closed state. The corresponding positions of the left shell 1 and the right shell 2 are respectively provided with a first flange 31 and a second flange 32, wherein the first flange 31 is used for limiting the position of the support leg, and the second flange 32 is used for limiting the position of the second positioning spring 20.
As shown in fig. 7, one end of the spring 4 has two legs 12, the two legs 12 are connected with an actuating arm 14 through a clamping arm 13, wherein the actuating arm 14 is in contact with or separated from a wire inserted into the terminal 6, the clamping arm 13 is rotatably installed in the first supporting pin 10, and the handle 3 is bridged in the two legs 12.
The actuating arm 14 at the other end of the spring 4 is matched with the current bar bracket 5 for connecting a lead wire.
The handle 3 is provided with a first through hole 15, and the first through hole 15 is matched with the second supporting bolt 11; the handle 3 is provided with a hollowed-out part 16.
The handle 3 is provided with a first stop 17, which stop 17 protrudes from between the two legs 12 when the handle is in the open position, and the front end of the handle 3 is in contact with the two legs 12 of the spring 4.
The handle 3 is provided with a second stop 18, when the spring 4 moves from the open state to the closed state, the second stop 18 contacts the two support legs 12, and the second positioning spring 20 is positioned in the clamping edge 22 along with the operation direction of the handle 3.
The handle 3 is provided with grooves 33 for receiving the spring legs 12, which grooves 33 are located on both sides of the handle 3.
As shown in fig. 6, the current bar connecting end 7 has a bottom edge 29, and a limiting arm 30 connected to two side edges of the upper portion of the bottom edge 29 and perpendicular to the bottom edge 29, wherein the limiting arm 30 has a transition edge 21, a limiting edge 23, and a clamping edge 22 connecting the transition edge 21 and the limiting edge 23, the clamping edge 22 is in a circular arc shape, and the distance between the lowest point of the clamping edge 22 and the bottom of the housing is lower than the distance between the transition edge 21 and the bottom of the housing.
The bottom edge 29 of the current bar connection end 7 is provided with a bevel edge 24, and the shell is provided with a containing cavity opposite to the bevel edge 24, wherein the bevel edge 24 is connected with the bottom edge 29, and the bevel edge 24 is at a certain angle with the bottom edge 29. The bevel 24 is located at the upper part of the current bar connection terminal 7. The side of the bottom edge 29 which contacts the wire is provided with a plurality of evenly distributed grooves 25.
The current strip support 5 is provided with a second through hole 26 connected with the grounding end, positioning holes 34 are respectively formed in two sides of the through hole, and the positioning holes 34 are matched with protruding portions arranged on the grounding end and used for fixing the position of the current strip support 5. The upper part of the second through hole 26 arranged on the current bar bracket 5 is provided with a convex hull 27 protruding out of the plane of the current bar bracket 5. The bottom of the current bar support 5 is provided with a curved surface 28 having the same direction as the convex hull 27.
When the spring 4 is in a closed state, the hollowed-out part 16 is matched with the clamping groove 9, and the two support legs 12 of the spring 4 are contacted with the clamping edge 22; when the spring 4 is in an open state, the hollowed-out part 16 is separated from the clamping groove 9, and the two support legs 12 of the spring 4 are separated from the current strip connecting end 7.
Two positioning springs are respectively arranged on two sides of the two supporting legs 12 of the spring 4, which are contacted with the shell, wherein the first positioning spring 19 is positioned at the position where the supporting legs 12 are connected with the clamping arms 13, the second positioning spring 20 is positioned at the end parts of the supporting legs 12, the first positioning spring 19 is in contact with or separated from a first flange 31 arranged on the shell, when the first positioning spring 19 is in contact with the first flange 31, the spring 4 is in an open state, and when the first positioning spring 19 is in separation from the first flange 31, the spring 4 is in a closed state;
the second positioning spring 20 is in a contact or separation state with the second flange 32 arranged on the housing, wherein the height of the second flange 32 relative to the bottom of the housing is the same as the height of the transition edge 21 arranged on the current bar connecting end 7 relative to the bottom of the housing, when the second positioning spring 20 is in a contact state with the second flange 32, the spring 4 is in an open state, when the second positioning spring 20 is in a separation state with the second flange 32, the spring 4 is in a closed state, and at the moment, the second positioning spring 20 is positioned in the clamping edge 22 arranged on the current bar connecting end 7.
The ends of the first positioning spring 19 and the second positioning spring 20 are bent inward, i.e. in the direction of the actuator arm 14.
The working principle of the spring-connected grounding terminal of the invention is as follows:
the wire is connected through the conductor introduction opening 8 provided in the housing, the wire is brought into contact with the bottom edge 29 of the current bar connection end 7 through the conductor introduction opening 8, the stopper arm 30 of the current bar connection end 7 positions the wire between the both stopper arms 30, the handle 3 is in the open state at this time, the spring 4 is in the open state at this time, when the handle 3 swings from the open state to the closed state, the spring 4 moves along the first support pin 10 from the open state to the closed state along with the swinging of the handle 3, or the handle 3 is opened again by the reverse operation.
As shown in fig. 5, when the spring 4 is in an open state, the second positioning spring 20 contacts with the second blocking edge 32, at this time, the first blocking block 17 protrudes from between the two supporting legs 12, the second blocking block 18 is separated from the supporting legs 12, when the handle 3 is operated to rotate, because the end of the transition edge 21 arranged on the current strip connecting end 7 is located at the same position as the end of the second blocking edge 32, the second positioning spring 20 of the spring 4 slides along the transition edge 21, during sliding, the first blocking block 17 is separated from the supporting legs 12, the second blocking block contacts with the supporting legs 12 and applies force to the spring 4, the spring 4 enters into the blocking edge 22 along the transition edge 21, at this time, the hollowed-out portion 16 arranged on the handle 3 contacts with the blocking groove 9 arranged on the housing, and because the distance between the lowest point of the blocking edge 22 and the bottom of the housing is lower than that between the transition edge 21 and the bottom of the housing, the second positioning spring 20 cannot move the spring 4 along the opposite direction due to the elasticity, so that the wire is fixed in the housing, and the spring 4 and the handle 3 are both in a closed state.
As shown in fig. 3 to 5, when the handle 3 is operated in the opposite direction, the groove 33 provided on the handle 3 presses the second positioning spring 20, so that the spring 4 moves along the clamping edge 22 toward the handle 3, the spring 4 moves along the clamping edge 22 to the transition edge 21 and moves along the transition edge 21 to the position of the second blocking edge 32, and when the leg 12 contacts the first block 17, the handle 3 is in the fully opened position, and at this time, since the leg 12 is completely positioned in the handle 3, the spring 4 is in the fully opened state without elastic force, so that the spring 4 and the handle 3 are fixed in the opened state.
According to the technical scheme, the grounding terminal connected by the spring is characterized in that at least one terminal 6 is connected to the current bar bracket 5, and a plurality of terminals 6 can be connected to one current bar bracket 5, so that the connection efficiency is improved.
The terminal 6 comprises a shell, a spring 4 and a handle 3, in the wire connection process, wires can be reliably connected into the terminal 6 by operating the handle 3 without external tools, and a large operation space is not required to be reserved in a cabinet.
The current strip support 5 is provided with the through-hole that is connected with the earthing terminal, the through-hole both sides are provided with locating hole 34, locating hole 34 cooperates with the bellying that the earthing terminal set up for the position of fixed current strip support 5, and the fixed of current strip support 5 is realized in the cooperation of through-hole and locating hole 34, simple structure.
The upper part of the through hole arranged on the current bar bracket 5 is provided with a convex hull 27 protruding out of the plane of the current bar bracket 5, and when the grounding end is not in plane contact with the contact end of the current bar bracket 5, the convex hull 27 can adjust the position of the current bar bracket 5 to be in a plane.
The side of the bottom edge 29 contacting the wire is provided with a plurality of evenly distributed grooves 25, and the grooves 25 increase the friction between the wire and the bottom edge 29 of the current strip, so that the wire is not easy to fall off from the terminal 6.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.

Claims (6)

1. A spring-connected ground terminal for connection with a ground terminal for effecting ground connection of a wire, the ground terminal comprising a current bar bracket to which at least one terminal is connected, wherein:
at least one current strip connecting end is arranged on the current strip support, and each current strip connecting end is connected with a terminal;
the terminal comprises a shell, a spring and a handle, wherein a first supporting bolt and a second supporting bolt are arranged in the shell, the spring is sleeved in the first supporting bolt, and the spring is in an open state and a closed state;
the shell is provided with a clamping groove;
the handle is provided with a first through hole which is matched with the second supporting bolt; the handle is provided with a hollowed-out part;
the handle is provided with a first stop block, when the handle is in an open state, the front end of the handle is contacted with two support legs of the spring, and the first stop block extends out from between the two support legs;
the spring is characterized in that one end of the spring is provided with two supporting legs, the two supporting legs are connected with the actuating arm through a clamping arm, the actuating arm is in a contact or separation state with a wire inserted into the terminal, the clamping arm is rotatably arranged in the first supporting bolt, and the handle is bridged in the two supporting legs;
the actuating arm at the other end of the spring is matched with the current bar bracket and used for connecting a lead;
the current strip connecting end is provided with a bottom edge, and limiting arms which are connected with two side edges of the upper part of the bottom edge and are perpendicular to the bottom edge, wherein each limiting arm is provided with a transition edge, a limiting edge and a clamping edge which is connected with the transition edge and the limiting edge;
a plurality of evenly distributed convex grooves are formed in one side, which is contacted with the lead, of the bottom edge;
when the spring is in a closed state, the hollowed-out part is matched with the clamping groove, and two support legs of the spring are contacted with the clamping edge; when the spring is in an open state, the hollowed-out part and the clamping groove are in a separated state, and the two support legs of the spring are in a separated state from the connecting end of the current strip;
the current strip support is provided with the second through-hole that is connected with the earthing terminal, second through-hole both sides are provided with the locating hole, the locating hole cooperates with the bellying that the earthing terminal set up for the position of fixed current strip support.
2. The spring connected ground terminal of claim 1, wherein the bottom edge of the current bar connecting end is provided with a beveled edge, wherein the beveled edge is connected to the bottom edge and the beveled edge is angled from the bottom edge.
3. The spring-connected ground terminal of claim 1, wherein an upper portion of the second through hole provided on the current bar bracket is provided with a convex hull protruding from a plane of the current bar bracket.
4. A spring-connected ground terminal according to claim 3, wherein the bottom of the current bar bracket is provided with a curved surface having a curved direction identical to the direction of the convex hull.
5. The spring-connected grounding terminal according to claim 1, wherein two positioning springs are respectively arranged on two sides of two supporting legs of the spring, which are in contact with the housing, wherein a first positioning spring is positioned at a position where the supporting legs are connected with the clamping arms, a second positioning spring is positioned at an end of each supporting leg, the first positioning spring is in contact with or separated from a first flange arranged on the housing, when the first positioning spring is in contact with the first flange, the spring is in an open state, and when the first positioning spring is in separation from the first flange, the spring is in a closed state;
the second positioning spring is in a contact or separation state with a second flange arranged on the shell, wherein the height of the second flange relative to the bottom of the shell is the same as the height of the transition edge arranged on the connecting end of the current strip relative to the bottom of the shell, when the second positioning spring is in a contact state with the second flange, the spring is in an opening state, when the second positioning spring is in a separation state with the second flange, the spring is in a closing state, and at the moment, the second positioning spring is positioned in a clamping edge arranged on the connecting end of the current strip.
6. The spring connected ground terminal of claim 1, wherein the current bar connection ends are 3.
CN201810328773.0A 2018-04-13 2018-04-13 Spring-connected ground terminal Active CN108346887B (en)

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CN201810328773.0A CN108346887B (en) 2018-04-13 2018-04-13 Spring-connected ground terminal
PCT/CN2019/082374 WO2019196916A1 (en) 2018-04-13 2019-04-12 Spring-connected grounding terminal
EP19785093.6A EP3780283B1 (en) 2018-04-13 2019-04-12 Spring-connected grounding terminal

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CN108346887B (en) * 2018-04-13 2024-02-02 菲尼克斯亚太电气(南京)有限公司 Spring-connected ground terminal
CN110943340B (en) * 2019-12-25 2024-04-16 浙江开控电气有限公司 Quick wiring board device

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WO2011030510A1 (en) * 2009-09-08 2011-03-17 株式会社オートネットワーク技術研究所 Grounding joint-connector and wire harness including the same
CN107078414A (en) * 2014-09-26 2017-08-18 Wago管理有限责任公司 Binding post and the method for installing binding post
CN205029030U (en) * 2015-10-28 2016-02-10 四川华丰企业集团有限公司 Structure of working a telephone switchboard fast
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WO2019196916A1 (en) 2019-10-17
EP3780283B1 (en) 2024-06-05
EP3780283A4 (en) 2022-01-05
EP3780283A1 (en) 2021-02-17

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