WO2021056684A1 - 一种方便操作的接线端子 - Google Patents

一种方便操作的接线端子 Download PDF

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Publication number
WO2021056684A1
WO2021056684A1 PCT/CN2019/115322 CN2019115322W WO2021056684A1 WO 2021056684 A1 WO2021056684 A1 WO 2021056684A1 CN 2019115322 W CN2019115322 W CN 2019115322W WO 2021056684 A1 WO2021056684 A1 WO 2021056684A1
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WO
WIPO (PCT)
Prior art keywords
insulating housing
wire
elastic
operating rod
convenient
Prior art date
Application number
PCT/CN2019/115322
Other languages
English (en)
French (fr)
Inventor
丁高松
Original Assignee
宁波高松电子有限公司
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 宁波高松电子有限公司 filed Critical 宁波高松电子有限公司
Priority to EP19946759.8A priority Critical patent/EP4024619A4/en
Priority to US17/635,083 priority patent/US20220294130A1/en
Priority to JP2022519125A priority patent/JP7361902B2/ja
Publication of WO2021056684A1 publication Critical patent/WO2021056684A1/zh

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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
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • the present invention relates to the technical field of connection terminals, in particular to a connection terminal that is convenient to operate.
  • the existing wiring terminals mostly adopt a clamping structure.
  • This type of wiring terminal mainly includes an insulating shell, an operating button, an electrical contact element and a wire clamping joint.
  • the edge shell has a wire inlet and outlet hole for the external wires to be accessed, and the electrical contact element has a wire channel for accommodating the wire.
  • the electrical contact element is electrically connected to the wire clamping joint.
  • the user needs to press the operating button to make the operating button open the wire clamping connector to leave a gap for the wire to be inserted. After the wire is inserted into the gap, the user Releasing the pressing force on the operating button, the wire at the gap can be clamped by the elastic restoring force of the wire clamping joint, thereby realizing the electrical connection between the wire and the electrical contact element, and completing the wiring operation of the terminal.
  • the existing type of terminal has shortcomings: the user needs to always apply force to the operating button of the terminal to ensure the gap formed for the wire to be inserted. It can always exist so that the wires can be inserted into the gap one after another. In addition, if the user needs to take out the wire, he also needs to continue to apply force to the operation button to ensure the existence of the above gap, and then take out the wire in the terminal. In this way, the user needs to continuously apply force to the operation button for the wire insertion or removal operation, which undoubtedly increases the complexity of wiring and wire taking of the terminal.
  • the technical problem to be solved by the present invention is to provide a convenient connection terminal for the above-mentioned prior art.
  • an easy-to-operate connection terminal including an insulating shell, a wire inlet and outlet hole is formed on the insulating shell, and the insulating shell has a containing cavity connected to the wire inlet and outlet hole.
  • the feature is that it also includes:
  • the head end of the operating rod is located outside the accommodating cavity, and the end of the operating rod is rotatably connected to the insulating housing;
  • the transducing member is located in the accommodating cavity, and the transducing member has a force application end and a force receiving portion capable of being pressed by the end of the operating rod;
  • the electric conductor is located in the containing cavity
  • the elastic clamping member is located in the accommodating cavity.
  • the elastic clamping member has a fixed part and an elastic free part, and the fixed part is fixed to the electric conductor; the elastic free part can be pressed by the force application end of the transducing part, so that the elastic free part A gap is formed between the conductor and the electric conductor for the wire passing through the wire access hole to access or take out;
  • a cover plate, the cover plate and the insulating shell are assembled with each other, so that the accommodating cavity is located in the space formed after the cover plate and the insulating shell are assembled.
  • the electrical conductor has a top edge for the wire to abut, the top edge has a fixing part, the force receiving part of the transducing part is formed with an assembling part, the The transducing member is sleeved on the outer side of the top edge, and the top edge is located below the force receiving part, and the fixing part is clamped into the assembling part.
  • the upper surface of the operating rod is formed with an electric test hole corresponding to the top edge to satisfy the requirement of pressing the top edge after the electric test tool is inserted.
  • the insulating housing is provided with a rotation limit portion that limits the angle at which the end of the operating rod rotates, and the rotation limit portion is formed on the insulating housing.
  • the upper vertical side wall and the inclined wall formed by bending the vertical side wall are formed.
  • the insulating housing has a rotation limit part that limits the angle at which the end of the operating rod rotates.
  • the rotation limit part is a groove formed by an insulating housing, the groove includes a groove bottom and an inclined wall that engages the groove bottom and extends obliquely upwards.
  • the end of the operating lever is formed with a rotating part that can As the end of the operating lever rotates, it rotates in the groove.
  • a rotating shaft is provided on the insulating housing and above the accommodating cavity, and the end of the operating rod has a rotating shaft hole that matches the rotating shaft to enter.
  • the end is rotatably connected to the insulating shell through the rotating shaft hole and the rotating shaft that are matched with each other.
  • the transducing element has a transducing element body, a force receiving portion formed at one end of the transducing element body, and at least one piece formed by bending the transducing element body downwards.
  • the force application end is located on the bending arm.
  • the transducing member has an assembling part rotatably mounted on the fixing part of the electric conductor.
  • the elastic free part of the elastic clamping member has:
  • At least one supporting edge is formed on the elastic free part, and the supporting edge is used for the force applying end of the transducing member to abut;
  • At least one clamping edge is formed at the end of the elastic free part, and the clamping edge is used to abut the wire inserted through the wire access hole to the electric conductor; wherein the fixed part of the elastic clamping piece is connected to the elastic free part.
  • the parts are connected together by a bent transition part.
  • the supporting side is a side with a flat cross section or the supporting side is a side formed by an elastic free part and is bent.
  • the force-receiving part of the transduction member has a pressing end; the electrical conductor has a top edge for the wire to contact, and the pressing end can be rotated during rotation. When pressing against the top edge of the electrical conductor.
  • the fixing portion of the elastic clamping member and the electric conductor are fixed together by a concave-convex structure that is tightly fitted with each other.
  • the elastic free part of the elastic clamping member abuts against the electrical conductor to form an included angle.
  • the terminal of the present invention is provided with an operating rod on an insulating housing with a accommodating cavity, the head end of the operating rod is located outside the insulating housing, and the end of the operating rod is rotatably connected to the insulating housing, and
  • the insulating shell has a rotation limit part that limits the angle at which the end of the operating rod rotates.
  • the housing cavity of the insulating shell is also provided with a transducing member, an electrical conductor and an elastic clamping member, and the operating rod can Applying force to the transduction member, the transduction member can apply downward pressing force to the elastic clamping member, so that when wiring is required, after the user pulls the operating lever to turn it up, the operating lever exerts the pressing force on the transduction member and turns The guide piece then pushes down the elastic free part of the elastic clamping part, so that the elastic free part is pressed down, so as to realize that a wire can be inserted between the elastic free part of the elastic clamping part and the electrical conductor.
  • the rotation limiter on the insulating housing that limits the angle at which the end of the operating rod rotates, so that when the operating lever is turned up and rotated to the angle corresponding to the limiter, the rotation limit The position part can limit the end of the operating rod that is pulled at this time, so that it is not easy to rotate, so that the continuous existence of the gap can be maintained, avoiding the traditional terminal terminal that requires the user to continuously apply force to the operating button to access or take out Insufficient wires.
  • FIG. 1 is a schematic diagram of the structure of a convenient connection terminal in the first embodiment of the present invention
  • Figure 2 is a schematic diagram of the state of the terminal shown in Figure 1 when the cover is removed;
  • Fig. 3 is an exploded schematic diagram of the structure of the wiring terminal (after removing the cover plate) shown in Fig. 2;
  • FIG. 4 is a schematic diagram of the structure of the insulating housing in the first embodiment of the present invention.
  • Figure 5 is a schematic diagram of the structure of the operating lever in the first embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of a middle transduction member according to the first embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the structure of an electrical conductor in Embodiment 1 of the present invention.
  • FIG. 8 is a schematic diagram of the structure of the first elastic clamping member in the first embodiment of the present invention.
  • Figure 9 is a schematic structural view of a second elastic clamping member in Embodiment 1 of the present invention.
  • FIG. 10 is a schematic structural diagram of the operating lever of the connection terminal in the first embodiment of the present invention when it is not turned up;
  • FIG. 11 is a schematic structural diagram of the operating rod of the connection terminal in the first embodiment of the present invention when it is pulled up;
  • FIG. 12 is a schematic structural diagram of the wiring terminal in the second embodiment of the present invention with the cover plate removed;
  • Fig. 13 is a schematic diagram of the structure of the insulating housing in Fig. 12;
  • Figure 14 is a schematic diagram of the structure of the operating lever in Figure 12;
  • 15 is a schematic diagram of the structure of the first transduction element in the second embodiment of the present invention.
  • FIG. 16 is a schematic structural diagram of the first electrical conductor (cooperating with the transducing member shown in FIG. 15) in the second embodiment of the present invention.
  • FIG. 17 is a schematic structural diagram of the operating lever of the terminal shown in FIG. 12 when it is pulled up;
  • FIG. 18 is a schematic structural diagram of a second type of transduction element in the second embodiment of the present invention.
  • FIG. 19 is a schematic structural diagram of a second type of electrical conductor (cooperating with the transducing member shown in FIG. 18) in the second embodiment of the present invention.
  • 20 is a schematic structural diagram of the operating rod of the connecting terminal with the second type of transconductor and the second type of electrical conductor in the second embodiment of the present invention when it is pulled up.
  • the terminal includes an insulating housing 1, an operating rod 2, a transducing member 3, an electric conductor 4, an elastic clamping member 5 and a cover plate 6.
  • the insulating housing 1 is formed with a wire inlet and outlet hole 10, and the insulating housing 1 has an accommodating cavity 11 communicating with the wire inlet and outlet hole 10.
  • the first end 21 of the operating rod 2 is located outside the accommodating cavity 11, and the end 22 of the operating rod 2 is rotatably connected to the insulating housing 1; the insulating housing 1 may have a rotating end 22 of the operating rod 2
  • the rotation limit portion 12 defined by the angle is made; the rotation limit portion 12 can keep the operating lever 2 in a stopped state at the angle corresponding to its rotation; for example, the angle corresponding to the rotation limit portion 12 is defined as When the rotation angle of the end 22 of the operating rod 2 is 90°;
  • a rotating shaft 13 is provided on the insulating housing 1 and located above the accommodating cavity 11.
  • the end 22 of the operating rod 2 has a rotating shaft that matches the rotating shaft 13 to enter.
  • Hole 221 the end 22 of the operating lever 2 is rotatably connected to the insulating housing 1 through the rotating shaft hole 221 and the rotating shaft 13 that are matched with each other; the operating lever 2 is provided on the insulating housing 1 so that the user can easily handle the operating lever 2 Pull up;
  • the transducing member 3 is located in the accommodating cavity 11, and the transducing member 3 has a force application end 31 and a force receiving portion 32 that can be pressed by the end of the operating rod 2;
  • the force of the end 22 of the operating rod 2 is transferred to the subsequent elastic clamping member 5 to ensure that the elastic clamping member 5 can be deformed with the upward rotation of the operating rod 2 or with the downward rotation of the operating rod 2 Restore to the original initial state.
  • the electrical conductor 4 is located in the accommodating cavity 11; in this embodiment, the electrical conductor 4 may have pins 41 located outside the insulating housing 1; of course, as another structural form of the electrical conductor 4, the The electrical conductor 4 has a plug-in end that is used for plug-in with an external product.
  • the plug-in end here may be a female plug or a male plug.
  • the elastic clamping member 5 is located in the accommodating cavity 11.
  • the elastic clamping member 5 has a fixed portion 51 and an elastic free portion 52.
  • the fixed portion 51 is fixed to the electrical conductor 4, and the elastic free portion 52 can be applied to the force end of the transducing member 3. 31 is pressed, so that a gap is formed between the elastic free portion 52 and the electrical conductor 4 for the wire passing through the wire access hole 10 to access or take out; as for the fixing method between the fixing portion 51 and the electrical conductor 4, the electrical conductor 4
  • the fixing portion 51 of the elastic clamping member 5 and the electric conductor 4 are fixed together by a concave-convex structure that is tightly fitted with each other.
  • the adapting portion on the electrical conductor 4 may be a groove for the fixing portion 51 to enter; the elastic free portion 52 of the elastic clamping member 5 will form an angle when it abuts on the electrical conductor 4.
  • the cover plate 6 and the insulating housing 1 are assembled together so that the accommodating cavity 11 is located in the space formed after the cover plate 6 and the insulating housing 1 are assembled.
  • the assembly method between the cover plate 6 and the insulating housing 1 is preferably a detachable assembly.
  • the cover plate 6 and the insulating housing 1 can be assembled with each other through a matching buckling structure or a bolt fixing structure.
  • the rotating limiting portion 12 on the insulating housing 1 limits the end 22 of the flipping operating lever 2 at this time, so that The operating lever 2 is stopped in the current state and does not rotate easily, so that the gap can be maintained, and the user does not need to continuously apply the pulling force to the operating lever 2, so that the user can insert the wire into the gap of the terminal;
  • the user When the wire needs to be taken out, the user also flips the operating lever 2 to turn it up, so as to finally form a gap between the elastic free portion 52 of the elastic clamping member 5 and the electrical conductor 4, so that the wire can be directed toward the wire access hole 10 Take it out in the outer direction; until the operating lever 2 is pulled up to the angle defined by the rotation limiter, the gap will continue to exist due to the rotation limiter 12, and the user does not need to continue at this time Apply pulling power to the operating lever 2 so that the user can take out the wires in the terminal without continuously applying force to the operating lever 2.
  • the rotation limit part 12 in this embodiment is a groove formed by the insulating housing 1.
  • the groove includes a groove bottom 120 and a joint
  • the groove bottom 120 and the inclined wall 121 extending obliquely upward, the end 22 of the operating lever 2 is formed with a rotating part 220 which can rotate in the groove as the end 22 of the operating lever 2 rotates.
  • the rotation limiting portion 12 here can also be a limiting edge formed by extending the bottom edge of the insulating housing 1 and located outside the accommodating cavity 11, and the rotating portion 220 is positioned between the rotating shaft 13 and the limiting edge. Rotate within the space defined by the edge.
  • the rotating part 220 in this embodiment preferably adopts an arc-shaped structure to satisfy the smoothness of the end 22 of the operating rod 2 when rotating.
  • the transducing member 3 has a rotary The guide body 30, the force receiving portion 32 formed at one end of the guide body 30, and at least one bending arm 33 formed by bending the guide body 30 downward, and the force application end 31 is located on the bending arm 33.
  • the guiding member 3 preferably has two bending arms 33, and the two bending arms are preferably formed on both sides of the main body 30 of the guiding member in a symmetrical manner.
  • the two bending arms may also be formed asymmetrically on both sides of the main body 30 of the transducing member.
  • the elastic free portion 52 of the elastic clamping member 5 further has:
  • At least one supporting edge 521 is formed on the elastic free portion 52, and the supporting edge 521 is used for the force application end 31 of the transducing member 3 to abut;
  • At least one clamping edge 522 is formed at the end of the elastic free portion 52, and the clamping edge 522 is used to abut the wire inserted through the wire access hole to the electric conductor 4.
  • the fixed portion 51 and the elastic free portion 52 of the elastic clamping member 5 are connected together by a bent transition portion 53.
  • the transition portion 53 here is preferably arc-shaped, so that the elastic free portion 52 has a relatively elastic deformation strength when subjected to a force, and enhances the clamping force of the elastic free portion 52 on the wire entering the aforementioned gap.
  • the structure of the elastic clamping member 5 can have the following two structure modes for selection. As shown in Fig.
  • the supporting edge 521 is a cross section; as shown in Fig. 9, in the second elastic clamping member 5 of this embodiment,
  • the supporting edge 521 is a bent edge formed by the elastic free portion 52.
  • the supporting edge 521 may be bent downward or upward.
  • the force receiving portion 32 of the transducing member 3 has a pressing end 320, and the electric conductor 4 has a top edge 42 for the wire to contact.
  • the pressing end 320 can press against the top edge 42 of the electric conductor 4 when rotating.
  • the pressing end portion 320 in this embodiment is in the shape of an arc bent upward, and the insulating housing 1 has a containing groove 14 for the pressing end portion 320 to move; correspondingly, the top side of the electrical conductor 4 42 is fixed in the accommodating cavity 11 and located below the accommodating groove 14.
  • the movement of the pressing end portion 320 in the accommodating groove 14 is preferably in the form of rotation, so that the transducing member 3 can be turned toward the top of the insulating housing 1 under the action of the elastic restoring force of the elastic free portion 52.
  • the second embodiment of the connecting terminal of the present invention is the second embodiment of the connecting terminal of the present invention.
  • the electrical conductor 4 has a top edge 42 for the wires to abut, the top edge 42 has a fixing portion 421, and the force receiving portion 32 of the transducing member 3 is formed with an assembly
  • the transducing member 3 is sleeved on the outside of the top edge 42, and the top edge 42 is located below the force receiving portion 32.
  • the fixing portion 421 is clamped into the assembling portion 321, so that the electrical conductor 4 and the transducing member 3 connected together.
  • the assembling part 321 may be provided in a structure with a hole, so that the fixing part 421 can be clamped into the hole.
  • the fixing portion 421 here is formed on the front surface of the top edge 42.
  • the assembling portion 321 is formed on the front surface of the force receiving portion 32, and is formed on the insulating housing 1 to be capable of accommodating the fixing portion 421. ⁇ 14 ⁇ Housing tank 14.
  • the assembling part 321 is arranged to be rotatably mounted on the fixing part 421 of the electrical conductor 4.
  • the upper surface of the operating rod 2 in this embodiment is formed with an electrical test hole 20 corresponding to the top edge 42.
  • the electrical test hole 20 By providing the electrical test hole 20, it can be satisfied that after the electrical test tool is inserted into the terminal through the electrical test hole, the top edge 42 of the piezoelectric conductor 4 can be pressed against the top edge 42 of the piezoelectric conductor 4 to perform an electrical conduction test.
  • FIGS. 18 and 19 show the second type of electrical conductor 4 and the second type of electrical conductor 4 matched therewith.
  • the fixing portion 421 on the top edge 42 may also be formed on one side of the top edge 42.
  • the assembling part 321 is formed on the other side of the force receiving part 32. With this arrangement, the fixing portion 421 can function as a rotation fulcrum of the transduction member 3.
  • the connection terminal structure in this case (after removing the cover 6) is shown in Fig. 20.
  • a rotation limit portion 12 for the rotation of the operating lever 2 is also provided in this embodiment.
  • the rotation limiting portion 12 is formed by a vertical side wall 15 formed on the insulating housing 1 and an inclined wall 16 formed by bending the vertical side wall 15.

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Abstract

一种方便操作的接线端子，其包括绝缘壳体（1）、操作杆（2）、转导件（3）、电导体（4）、弹性夹紧件（5）、盖板（6）；其中，操作杆（2）可转动地连接在绝缘壳体（1）上，弹性夹紧件（5）的固定部（51）固定到电导体（4）上，弹性夹紧件（5）的弹性自由部（52）能够被转导件（3）所顶压，盖板（6）与绝缘壳体（1）组装在一起。接线时，扳动操作杆（2）使其翻起后，弹性夹紧件（5）的弹性自由部与电导体（4）之间会形成供导线插入的间隙，该间隙会因转动限位部（12）的作用而持续存在，从而方便接入导线，反向扳动操作杆（2），使导线电接触电导体（4），完成接线操作；再次扳动翻起操作杆（2），无需持续用力，导线能轻松取出。

Description

一种方便操作的接线端子 技术领域
本发明涉及接线端子的技术领域，尤其涉及一种方便操作的接线端子。
背景技术
接线端子作为电连接器领域的常见产品，起着紧固、连接和载流的重要作用。现有的接线端子多采用夹紧式结构。这类接线端子主要包括绝缘壳体、操作按钮、电接触元件和导线夹紧接头，缘壳体具有供所需要接入的外部导线进入的导线出入孔，电接触元件具有容置导线的导线通道，电接触元件与导线夹紧接头电连接。
需要将外部的导线接入到该类接线端子内时，用户需要摁压操作按钮，使操作按钮把导线夹紧接头打开，以留出供导线能够插入的间隙，在导线插入该间隙后，用户释放对操作按钮的按压力，就可以借助导线夹紧接头的弹性恢复力把位于该间隙处的导线夹持住，进而实现导线与电接触元件的电连接，完成该接线端子的接线操作。
然而，在需要把导线插入到这类接线端子内时，现有的这类接线端子却存在不足之处：用户需要一直给接线端子的操作按钮施加力，以确保所形成的供导线插入的间隙能够一直存在，从而才能把导线先后插入到间隙内。另外，如果用户需要取出导线的时候，也需要持续给操作按钮施力才能确保上述间隙的存在，进而取出接线端子内的导线。如此一来，针对导线的接入或者取出操作，均需要用户持续给操作按钮施力，无疑增加了接线端子的接线和取线复杂度。
发明内容
本发明所要解决的技术问题是针对上述现有技术提供一种方便操作的接线端子。
本发明解决上述技术问题所采用的技术方案为：一种方便操作的接线端子，包括绝缘壳体，绝缘壳体上形成有导线出入孔，绝缘壳体具有连通导线出入孔的容置腔，其特征在于，还包括：
操作杆，该操作杆的首端位于容置腔的外侧，操作杆的末端可转动地连接在绝缘壳体上；
转导件，位于容置腔内，该转导件具有施力端以及能够被操作杆的末端顶压的受力部；
电导体，位于容置腔内；
弹性夹紧件，位于容置腔内，该弹性夹紧件具有固定部和弹性自由部，固定部固定 到电导体上；弹性自由部能够被转导件的施力端所顶压，使得弹性自由部与电导体之间形成供穿过导线出入孔的导线接入或者取出的间隙；
盖板，该盖板与绝缘壳体相互组装在一起，以使得容置腔位于盖板与绝缘壳体组装后所形成的空间内。
优选地，在所述方便操作的接线端子中，所述电导体具有供导线抵触的顶边，该顶边上具有固定部，所述转导件的受力部上形成有装配部，所述转导件套设在顶边的外侧，且该顶边位于受力部的下方，所述固定部卡入至所述装配部内。
优选地，所述操作杆的上表面形成有与所述顶边相互对应，以满足电测试工具插入后进而顶压该顶边的电测试孔。
优选地，在所述方便操作的接线端子中，所述绝缘壳体上具有对操作杆的末端所转动的角度做出限定的转动限位部，所述转动限位部由形成于绝缘壳体上的竖直侧壁以及由该竖直侧壁弯折而成的倾斜壁所形成。
作为实现转动限位部的另一种结构形式，优选地，在所述方便操作的接线端子中，所述绝缘壳体上具有对操作杆的末端所转动的角度做出限定的转动限位部，所述转动限位部为由绝缘壳体形成的凹槽，该凹槽包括槽底以及衔接槽底且倾斜向上延伸的倾斜壁，所述操作杆的末端形成有转动部，该转动部能够随着操作杆末端的转动而在所述凹槽内转动。
优选地，在所述方便操作的接线端子中，在所述绝缘壳体上且位于容置腔的上方设置有转轴，所述操作杆的末端具有配合转轴进入的转轴孔，所述操作杆的末端通过相互配合的转轴孔和转轴而实现可转动地连接在绝缘壳体上。
优选地，在所述方便操作的接线端子中，所述转导件具有转导件本体、形成在该转导件本体一端的受力部以及至少一条由转导件本体向下弯折形成的弯折臂，所述施力端位于弯折臂上。
优选地，所述转导件具有可旋转地安装在所述电导体的固定部上的装配部。
优选地，所述弹性夹紧件的弹性自由部具有：
至少一个支撑边，形成在弹性自由部上，所述支撑边用以供转导件的施力端抵靠；
至少一个夹线边，形成于弹性自由部的端部，所述夹线边用以将经导线出入孔插入的导线抵触到电导体上；其中，所述弹性夹紧件的固定部与弹性自由部之间通过弯折的过渡部衔接在一起。
可选择地，所述支撑边为横截面为平面的边或者所述支撑边为由弹性自由部形成且弯折的边。
优选地，在所述方便操作的接线端子中，所述转导件的受力部具有一个抵压端部；所述电导体具有供导线抵触的顶边，所述抵压端部能够在转动时抵压在所述电导体的顶边上。
优选地，在所述方便操作的接线端子中，所述弹性夹紧件的固定部与电导体之间通过相互紧固配合的凹凸结构固定在一起。
优选地，所述弹性夹紧件的弹性自由部抵靠在电导体上以形成夹角。
与现有技术相比，本发明的优点在于：
首先，本发明中的接线端子通过在具有容置腔的绝缘壳体上设置一个操作杆，操作杆的首端位于绝缘壳体外侧，操作杆的末端可转动地连接在绝缘壳体上，并且绝缘壳体具有对操作杆的末端所转动的角度做出限定的转动限位部，不仅如此，绝缘壳体的容置腔内还设置转导件、电导体和弹性夹紧件，操作杆能对转导件施力，转导件可以给弹性夹紧件施加向下的顶压力，从而需要接线时，用户扳动操作杆使其翻起后，操作杆给转导件施加顶压力，转导件再去向下顶压弹性夹紧件的弹性自由部，使得该弹性自由部被下压，实现弹性夹紧件的弹性自由部与电导体之间会形成一个可以供所需要接入导线插入的间隙；反向扳动操作杆，弹性夹紧件的弹性自由部恢复至原来状态，弹性自由部会给导线施力，使得导线电接触电导体；需要取出导线时，用户再次扳动翻起操作杆，以使得弹性夹紧件的弹性自由部与电导体之间再次形成间隙，于是就可以把导线朝着导线出入孔外侧的方向取出；
其次，通过在绝缘壳体上设置对操作杆的末端所转动的角度做出限定的转动限位部，使得扳动操作杆被翻起转动至转动限位部所对应限定的角度时，转动限位部能够将此时扳动操作杆的末端限定住，使其不轻易发生转动，从而就可以维持该间隙的持续存在，避免了传统接线端子需要用户给操作按钮持续施力才能接入或者取出导线的不足。
附图说明
图1为本发明实施例一中方便操作的接线端子结构示意图；
图2为图1所示接线端子去掉盖板时的状态示意图；
图3为图2所示接线端子(去掉盖板后)结构的分解示意图；
图4为本发明实施例一中绝缘壳体的结构示意图；
图5为本发明实施例一中操作杆的结构示意图；
图6为本发明实施例一中转导件的结构示意图；
图7为本发明实施例一中电导体的结构示意图；
图8为本发明实施例一中第一种弹性夹紧件的结构示意图；
图9为本发明实施例一中第二种弹性夹紧件的结构示意图；
图10为本发明实施例一中接线端子的操作杆未被扳动翻起时的结构示意图；
图11为本发明实施例一中接线端子的操作杆被扳动翻起时的结构示意图；
图12为本发明实施例二中的接线端子去掉盖板后的结构示意图；
图13为图12中绝缘壳体的结构示意图；
图14为图12中操作杆的结构示意图；
图15为本发明实施例二中第一种转导件的结构示意图；
图16为本发明实施例二中第一种电导体(与图15所示的转导件相配合)结构示意图；
图17为图12所示接线端子的操作杆被扳动翻起时的结构示意图；
图18为本发明实施例二中第二种转导件的结构示意图；
图19为本发明实施例二中第二种电导体(与图18所示的转导件相配合)结构示意图；
图20为本发明实施例二中、具有第二种转导件和第二种电导体的接线端子的操作杆被扳动翻起时的结构示意图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
实施例一
如图1～图9所示，为本发明的方便操作的接线端子的第一个优选实施例。该接线端子包括绝缘壳体1、操作杆2、转导件3、电导体4、弹性夹紧件5和盖板6。
其中，该绝缘壳体1上形成有导线出入孔10，绝缘壳体1具有连通导线出入孔10的容置腔11。
该操作杆2的首端21位于容置腔11的外侧，操作杆2的末端22可转动地连接在绝缘壳体1上；绝缘壳体1上可以具有对操作杆2的末端22所转动的角度做出限定的转动限位部12；该转动限位部12可以使操作杆2在其转动所对应的角度处维持停顿状态；例如，此处转动限位部12所对应限定的该角度为操作杆2的末端22所转动的角度为90°时；
在本实施例中，参见图2、图4和图5所示，在绝缘壳体1上且位于容置腔11的上方设置有转轴13，操作杆2的末端22具有配合转轴13进入的转轴孔221，操作杆2的末端22通过相互配合的转轴孔221和转轴13而实现可转动地连接在绝缘壳体1上；在绝缘壳体1上如此设置操作杆2，可以方便用户把操作杆2扳动翻起；
该转导件3位于容置腔11内，该转导件3具有施力端31以及能够被操作杆2的末端顶压的受力部32；此处的转导件3，其作用是用来将操作杆2的末端22的力转移给后续的弹性夹紧件5，以确保弹性夹紧件5能够随着操作杆2的向上转动而产生受力形变或者随着操作杆2的向下转动而恢复至原来的初始状态。
该电导体4位于容置腔11内；在本实施例中，该电导体4可以具有位于绝缘壳体1外侧的引脚41；当然，作为电导体4的另一结构形式，还可以使得该电导体4具有配合外界产品做插接的插接端，例如，此处的插接端可以是母插头，也可以是公插头。
该弹性夹紧件5位于容置腔11内，该弹性夹紧件5具有固定部51和弹性自由部52，固定部51固定在电导体4，弹性自由部52能够被转导件3的施力端31所顶压，使得弹 性自由部52与电导体4之间形成供穿过导线出入孔10的导线接入或者取出的间隙；至于固定部51与电导体4之间的固定方式，电导体4可以具有一个适配弹性夹紧件5的固定部51固定的适配部。例如，弹性夹紧件5的固定部51与电导体4之间是通过相互紧固配合的凹凸结构固定在一起。例如，电导体4上的该适配部可以是一个供固定部51进入的凹槽；弹性夹紧件5的弹性自由部52抵靠在电导体4上后会形成夹角。
该盖板6与绝缘壳体1相互组装在一起，以使得容置腔11位于盖板6与绝缘壳体1组装后所形成的空间内。盖板6与绝缘壳体1之间的组装方式优选可拆卸式组装。例如，盖板6和绝缘壳体1可以通过相互配合的扣合结构或者螺栓固定结构相互组装到一起。
参见图10和图11所示，需要接线时，用户扳动操作杆2的首端21使其翻起后，操作杆2的末端22会给转导件3上的受力部32施加顶压力，然后转导件3的施力端31再去向下顶压弹性夹紧件5的弹性自由部52，使得该弹性自由部52被下压，此时弹性夹紧件5的弹性自由部52与电导体4之间会形成一个间隙，从而就可以把需要接入的导线插入到该间隙内；
并且，在扳动操作杆2被翻起转动至转动限位部所对应限定的角度时，绝缘壳体1上的转动限位部12将此时扳动操作杆2的末端22限定住，使操作杆2停顿在当前状态且不轻易发生转动，从而就可以维持该间隙的存在，不需要用户给操作杆2持续施加扳动力，这样，用户就可以把导线插入到接线端子的该间隙内；
然后，再反向扳动操作杆2的首端21，转导件3的受力部32此时不再受到顶压力，于是弹性自由部52也就不会再受到转导件3的施力端31的下压，弹性夹紧件5的弹性自由部52因回弹力恢复至原来的状态，即弹性自由部52会给导线施力，使得导线电接触电导体4；
需要取出导线时，也是用户扳动操作杆2使其翻起，以最终使得弹性夹紧件5的弹性自由部52与电导体4之间再次形成间隙，于是就可以把导线朝着导线出入孔10外侧的方向取出；直到操作杆2被扳动翻起至转动限位部所对应限定的角度时，由于转动限位部12的作用，该间隙会持续存在，用户此时也不需要再继续给操作杆2施扳动力，这样，用户就可以把接线端子内的导线取出，不需要给操作杆2持续施力。
为了更加方便用户对操作杆2的操作，参见图2和图4所示，本实施例中的转动限位部12为由绝缘壳体1形成的凹槽，该凹槽包括槽底120以及衔接槽底120且倾斜向上延伸的倾斜壁121，操作杆2的末端22形成有转动部220，该转动部220能够随着操作杆2末端22的转动而在凹槽内转动。当然，这里的转动限位部12还可以是一个限位边，该限位边由绝缘壳体1的底边延伸形成且位于容置腔11的外侧，转动部220则在转轴13与该限位边所限定的空间内转动。其中，该实施例中的转动部220优选采用弧形状结构，以满足操作杆2末端22在转动时的平滑性。
为了使得转导件3能够更加有效地对弹性夹紧件5施加顶压力，以达到弹性自由部 52在受力后的弹性形变，参见图2和图6所示，该转导件3具有转导件本体30、形成在该转导件本体30一端的所述受力部32以及至少一条由转导件本体30向下弯折形成的弯折臂33，施力端31位于弯折臂33上。当然，该转导件3优选具有两个弯折臂33，这两个弯折臂最好是以对称的方式分别形成在转导件本体30的两侧。当然，两个弯折臂也可以是以非对称的形式分别形成在转导件本体30的两侧。
作为对转导件3的弯折臂的配合结构，该弹性夹紧件5的弹性自由部52还具有：
至少一个支撑边521，形成在弹性自由部52上，支撑边521用以供转导件3的施力端31抵靠；
至少一个夹线边522，形成于弹性自由部52的端部，夹线边522用以将经导线出入孔插入的导线抵触到电导体4上。其中，弹性夹紧件5的固定部51与弹性自由部52之间通过一弯折的过渡部53衔接在一起。此处的过渡部53优选为弧形，以使得弹性自由部52在受力时具有较弹性形变强度，增强该弹性自由部52对进入前述间隙中导线的夹紧力度。此处弹性夹紧件5的结构可以有如下两个结构方式供选择。参见图8所示，在本实施例的第一种弹性夹紧件5中，其支撑边521为横截面；参见图9所示，在本实施例的第二种弹性夹紧件5中，其支撑边521为由弹性自由部52形成且弯折的边。例如，支撑边521可以是向下或者向上弯折。
为了使得转导件3在受到操作杆2的顶压后，能够有效地对弹性加紧件5的弹性自由部施加顶压力，参见图6和图10所示，转导件3的受力部32具有抵压端部320，电导体4具有供导线抵触的顶边42，抵压端部320能够在转动时抵压在电导体4的顶边42上。其中，本实施例中的抵压端部320为一向上弯折的弧形状，绝缘壳体1内具有供该抵压端部320活动的容置槽14；对应地，电导体4的顶边42固定在容置腔11内且位于容置槽14的下方。其中，抵压端部320在容置槽14中的活动优选为转动的形式，如此可以使得转导件3能够在弹性自由部52的弹性恢复力作用下朝着绝缘壳体1的顶部翻转。
实施例二
如图12～17所示，为本发明接线端子的第二个实施例。本实施例与实施例一中的接线端子不同的是：电导体4具有供导线抵触的顶边42，该顶边42上具有固定部421，转导件3的受力部32上形成有装配部321，转导件3套设在顶边42的外侧，且该顶边42位于受力部32的下方，固定部421卡入至装配部321内，从而可以使得电导体4与转导件3连接到一起。
参见图15和图16所示，装配部321可以设置成具有孔的结构形式，以方便固定部421能够卡入到该孔内。具体地，此处的固定部421形成于顶边42的正面上，对应地，装配部321形成于受力部32的正面，并且在绝缘壳体1上形成由能够用来容纳固定部 421的容置槽14。一旦操作杆2被扳动翻起时，操作杆2的末端22就可以顶压受力部32，然后再由转导件3去下压弹性夹紧件5。此时位于容置槽14内的固定部421就起到了作为转导件3旋转支点的作用。
其中，作为优选的设置方式，该装配部321设置成能够可旋转地安装在电导体4的固定部421上。
当然，为了方便用户利用外部的电测试工具工作，参见图14所示，本实施例中的操作杆2的上表面形成有与顶边42相互对应的电测试孔20。通过设置该电测试孔20，可以满足电测试工具经电测试孔插入到接线端子内部后，进而能够顶压电导体4的顶边42进行电导通测试。
另外，如图18和图19示出了第二种电导体4以及与其配合的第二种电导体4，具体地，顶边42上的固定部421也可以形成于顶边42的一侧，对应地，装配部321形成于受力部32的另一侧。通过如此设置，固定部421可以起到作为转导件3旋转支点的作用。该情况下的接线端子结构(去掉盖板6后)参见图20所示。
需要说明的是，参见图17和图20所示，本实施例中也设置有针对操作杆2转动的转动限位部12。该转动限位部12由形成于绝缘壳体1上的竖直侧壁15以及由该竖直侧壁15弯折而成的倾斜壁16所形成。

Claims (10)

  1. 一种方便操作的接线端子，包括绝缘壳体(1)，绝缘壳体(1)上形成有导线出入孔(10)，绝缘壳体(1)具有连通导线出入孔(10)的容置腔(11)，其特征在于，还包括：
    操作杆(2)，该操作杆(2)的首端(21)位于容置腔(11)的外侧，操作杆(2)的末端(22)可转动地连接在绝缘壳体(1)上；
    转导件(3)，位于容置腔(11)内，该转导件(3)具有施力端(31)以及能够被操作杆(2)的末端(22)顶压的受力部(32)；
    电导体(4)，位于容置腔(11)内；
    弹性夹紧件(5)，位于容置腔(11)内，该弹性夹紧件(5)具有固定部(51)和弹性自由部(52)，固定部(51)固定到电导体(4)上；弹性自由部(52)能够被转导件(3)的施力端(31)所顶压，使得弹性自由部(52)与电导体(4)之间形成供穿过导线出入孔(10)的导线接入或者取出的间隙；
    盖板(6)，该盖板(6)与绝缘壳体(1)相互组装在一起，以使得容置腔(11)位于盖板(6)与绝缘壳体(1)组装后所形成的空间内。
  2. 根据权利要求1所述的方便操作的接线端子，其特征在于，所述转导件(3)具有转导件本体(30)、形成在该转导件本体(30)一端的所述受力部(32)以及至少一条由转导件本体(30)向下弯折形成的弯折臂(33)，所述施力端(31)位于弯折臂(33)上。
  3. 根据权利要求2所述的方便操作的接线端子，其特征在于，所述电导体(4)具有供导线抵触的顶边(42)，该顶边(42)上具有固定部(421)，所述转导件(3)的受力部(32)上形成有装配部(321)，所述转导件(3)套设在顶边(42)的外侧，且该顶边(42)位于受力部(32)的下方，所述固定部(421)卡入至所述装配部(321)内。
  4. 根据权利要求3所述的方便操作的接线端子，其特征在于，所述操作杆(2)的上表面形成有与所述顶边(42)相互对应，以满足电测试工具插入后进而顶压该顶边(42)的电测试孔(20)。
  5. 根据权利要求1所述的方便操作的接线端子，其特征在于，所述绝缘壳体(1)上具有对操作杆(2)的末端(22)所转动的角度做出限定的转动限位部(12)，所述转动限位部(12)由形成于绝缘壳体(1)上的竖直侧壁(15)以及由该竖直侧壁(15)弯折而成的倾斜壁(16)所形成。
  6. 根据权利要求1所述的方便操作的接线端子，其特征在于，所述绝缘壳体(1)上具有对操作杆(2)的末端(22)所转动的角度做出限定的转动限位部(12)，所述转动限位部(12)为由绝缘壳体(1)形成的凹槽，该凹槽包括槽底(120)以及衔接槽底(120)且倾斜向上延伸的倾斜壁(121)，所述操作杆(2)的末端(22)形成有转动部(220)，该转动部(220)能够随着操作杆(2)末端(22)的转动而在所述凹槽内转动。
  7. 根据权利要求1或2所述的方便操作的接线端子，其特征在于，在所述绝缘壳 体(1)上且位于容置腔(11)的上方设置有转轴(13)，所述操作杆(2)的末端(22)具有配合转轴(13)进入的转轴孔(221)，所述操作杆(2)的末端(22)通过相互配合的转轴孔(221)和转轴(13)而实现可转动地连接在绝缘壳体(1)上。
  8. 根据权利要求1～6任一项所述的方便操作的接线端子，其特征在于，所述弹性夹紧件(5)的弹性自由部(52)具有：
    至少一个支撑边(521)，形成在弹性自由部(52)上，所述支撑边(521)用以供转导件(3)的施力端(31)抵靠；
    至少一个夹线边(522)，形成于弹性自由部(52)的端部，所述夹线边(522)用以将经导线出入孔(10)插入的导线抵触到电导体(4)上；其中，所述弹性夹紧件(5)的固定部(51)与弹性自由部(52)之间通过弯折的过渡部(53)衔接在一起。
  9. 根据权利要求8所述的方便操作的接线端子，其特征在于，所述支撑边(521)为横截面为平面的边或者所述支撑边(521)为由弹性自由部(52)形成且弯折的边。
  10. 根据权利要求1所述的方便操作的接线端子，其特征在于，所述转导件(3)的受力部(32)具有一个抵压端部(320)，所述电导体(4)具有供导线抵触的顶边(42)，所述抵压端部(320)能够在转动时抵压在所述电导体(4)的顶边(42)上。
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