CN210007017U

CN210007017U - Unlocking mechanism of wiring terminal

Info

Publication number: CN210007017U
Application number: CN201920958245.3U
Authority: CN
Inventors: 高淑玲
Original assignee: Jiangxi Gao Chao Industrial Co Ltd
Current assignee: Jiangxi Gao Chao Industrial Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-01-31
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses an kind binding post's release mechanism, including insulating casing and the deblocking piece that can dismantle the connection for the installation with the opening and close of the inside clamping piece of control binding post, the clamping piece is located inside the insulating casing, the clamping piece be used for fixed outside wire and with outside wire electricity is connected, the deblocking piece passes insulating casing directly presses the clamping piece is in order to realize the unblock of clamping piece the utility model discloses abandoned to prize the prior art of locking deblocking piece through lever principle, simplified the process of unblock into the action of directly pressing, comfortable operation and simple and convenient laborsaving, hard wire disect insertion connects, does not need any unnecessary step of other, can realize the quick grafting of hard wire, and the binding post subassembly is few, simple to operate.

Description

Unlocking mechanism of wiring terminal

Technical Field

The utility model relates to an kind binding post's release mechanism.

Background

The main structure of the current threadless terminal generally includes a housing, a locking and unlocking member for opening and closing the clamping member inside the housing so that the wire can be inserted into the clamping member when the clamping member is opened and the wire is held inside the housing of the terminal when the clamping member is closed, thereby achieving the fixation of the wire and the connection between the plurality of wires.

The technical scheme is that the locking and unlocking piece needs a force arm with fixed length to apply external force to the clamping piece through leverage, and generally, the force application end needs to occupy most of the length of the locking and unlocking piece as much as possible, or the force application end needs to have larger moment to generate larger force to apply the stressed end to the clamping piece, meanwhile, the connecting part of the locking and unlocking piece has a semi-surrounding structure which is used for connecting the locking and unlocking piece with the shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that at wire installation and dismantlement in-process, binding post's release mechanism replaces the lever mode of prizing among the prior art with the mode of directly pressing, and it is complicated to have solved binding post's release mechanism processing of prior art, operates hard problem.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

binding post's release mechanism, including dismantling the insulating casing and the unblock piece of connection for the inside clamping piece of installation and control binding post opens and close, the clamping piece is located inside the insulating casing, the clamping piece be used for fixed external conductor and with the external conductor electricity is connected, the unblock piece passes insulating casing directly presses the clamping piece is in order to realize the unblock of clamping piece.

, the unlocking member has a movable part, the movable part passes through the th through hole arranged on the insulating shell, extends into the insulating shell and contacts the clamping member, and the movable part can rotate or displace relative to the clamping member under the action of external force.

, the movable part comprises a body-shaped pressing plate and a pressing block, the pressing plate is provided with a downward-concave cambered surface suitable for being pressed by human fingers, and the pressing block is used for pressing the clamping piece to realize unlocking when being pressed.

, the insulating housing is snapped into place over the unlocking member.

, the unlocking piece has a sealing part, and the insulating shell is clamped with the sealing part.

, the inner surface of the sealing part is provided with a reinforcing rib, and the top of the insulating shell is provided with a groove for the reinforcing rib to be clamped into.

, the unlocking piece has a movable part which passes through the through hole on the insulating shell and extends into the insulating shell and contacts the clamping piece, the movable part can rotate or displace relative to the clamping piece under the action of external force, and the movable part is detachably connected with the insulating shell.

, the joint of the unlocking piece and the insulating shell is provided with a groove.

, the width of the opening of the groove is larger than or equal to the width of the bottom of the groove.

, the unlocking member seals the insulating housing at the front opening of the insulating housing, and the lead is inserted into the insulating housing from the rear end of the insulating housing.

Compared with the prior art, the utility model has the advantages of: 1. the prior art of prying the locking and unlocking piece by a lever principle is abandoned, the unlocking process is simplified into a direct pressing action, and the operation is comfortable, simple and convenient and labor-saving; 2. the hard wire is directly inserted and connected, and the fast insertion of the hard wire can be realized without any other redundant steps; 3. the terminal assembly of binding post is few, simple to operate.

Drawings

Fig. 1 is the overall structure schematic diagram of the unlocking mechanism of the connecting terminal of the present invention.

Fig. 2 is a schematic structural diagram of the insulating housing 100 of the unlocking mechanism of the connecting terminal of the present invention.

Fig. 3 is a schematic structural view of the unlocking member 200 of the connection terminal of the present invention.

Fig. 4 is an exploded view of the unlocking mechanism and the clamping member 300 of the connecting terminal according to the present invention.

Fig. 5 is a partial schematic structural diagram of the unlocking mechanism and the clamping member 300 of the connection terminal of the present invention.

Fig. 6 is a schematic structural view of a clamping member 300 according to the present invention.

Fig. 7 is a schematic structural view of the conductive portion 310 of the clamping member 300 according to the present invention.

Fig. 8 is a schematic structural view of the clamping portion 320 of the clamping member 300 according to the present invention.

Detailed Description

The present invention will be described in further detail in with reference to the following embodiments.

As shown in fig. 1 to 8, the unlocking mechanism of a connection terminal of the present invention includes an insulating housing 100 and an unlocking member 200 for installing and controlling the opening and closing of a clamping member 300 inside the connection terminal, the insulating housing 100 has a continuous inner surface inside, the inner surface forms a cavity communicated with the outside, the inner surface has a fixing portion 120 protruding from the inner surface into the cavity, the fixing portion 120 can fix the clamping member 300 in the cavity and keep the clamping member 300 from moving, the fixing portion 120 of the insulating housing 100 can be inserted into a gap 301 to realize the quick positioning of the clamping member 300 when being installed inside the insulating housing 100, and the fixing portion is fixed after being installed, so as to prevent the clamping member 300 from shifting inside the insulating housing 100, the fixing portion 120 has a structure of a raised plate shape, a block shape or a sheet shape, etc. which is.

The insulation housing 100 further has th passages 130 communicating with the cavity and the clamping member 300 for external wires to pass through and enabling the external wires to be directly inserted into the clamping member 300. direct insertion means that the external wires do not bend or fold when moving inside the th passages 130 until the front ends of the wires are inserted into the clamping member 300 and clamped by the clamping member 300, that is, the wires are inserted into the terminal and fixed inside the terminal, only actions are required, and when external force is directly pulling the wires, the front ends of the wires do not depart from the clamping member 300, unless sufficient external force is applied to the clamping member 300, the clamping member 300 will release the front ends of the wires, but will not eject or push out the wires or the front ends thereof, and only release the clamped state of the front ends of the wires, therefore, if the wires are to be pulled out of the terminal, two actions are required, th action applies external force to the clamping member 300 first to release the clamped state, and secondly, applies another external force to the wires to pull out the wires.

The clamping member 300 has at least two functions of clamping and conducting electricity, the clamping function being to clamp the leading end of the wire, and the conducting function being to bring the leading end of the wire into contact with the clamping member 300 and to electrically connect with at least portions of the clamping member 300. in addition to this, the clamping member 300 can be stably held inside the cavity, and for this purpose, the clamping member 300 has a structure capable of stably fitting with the inside of the cavity, for example, the clamping member 300 has a slit 301 to fit with the protruding fixing portion 120. this structure also enables quick positioning of the clamping member 300 when assembling the terminal.

The clamping member 300 has a conductive portion 310 and a clamping portion 320, and the conductive portion 310 may be made of a metal material with good conductivity or other materials, and in an embodiment of the present invention, the conductive portion 310 is made of copper. The clamping portion 320 has an elastic restoring function, and is fixedly connected to the conductive portion 310, for example, by riveting, welding, bonding or other fixing connection methods, or detachably connected to the conductive portion 310, for example, by inserting or clamping, which is not prone to relative displacement. In the embodiment of the present invention, the clamping portion 320 is made of stainless steel. The clip 300 has at least 1 conductive part 310 and 2 clamping parts 320 connected side by side.

The clamping portion 320 includes a fixing section 321, a bending section 322 and a clamping section 323, the fixing section 321 and the clamping section 323 are connected through the bending section 322 and form to form a fixed angle, in an embodiment of the present invention, the fixing section 321 and the clamping section 323 form an acute angle α, in other embodiments, if the limitation of space size is not considered, the fixing section 321 and the clamping section 323 can also form an obtuse angle, but for the terminal requiring volume reduction as much as possible, forming an acute angle α is a preferred embodiment, the bending section 322 has an arc bending shape, in addition to connecting the fixing section 321 and the clamping section 323, providing a buffer space for elastic return of the clamping section 323, reducing the processing difficulty and improving the strength of the whole clamping member 300.

The fixing section 321 is used for connecting with the conductive part 310, and the clamping section 323 is used for clamping the front end of the wire in cooperation with the conductive part 310. The space between clamping section 323 and the conductive part 310 is used for penetrating the front end of wire, for making can adapt to the wire of more specifications (diameters) between clamping section 323 and the conductive part 310, protects the wire simultaneously and is not broken by the pinches because of the too big clamping force, and the edge that clamping section 323 and conductive part 310 contacted is equipped with breach 330, and for the stability that improves the clamping wire, breach 330 is located the middle part of clamping section 323, in the embodiment of the utility model, clamping section 323 forms two short arms 340 in breach 330 both sides, and short arm 340 and conductive part 310 are contactless. The notch 330 may be processed in various shapes as required, and the notch 330 is preferably formed in an arc shape in consideration of the shape of the cross section of the wire and the fixation.

The conductive portion 310 includes a connection section 311, a connection section 312, and a bottom 313 connected in sequence, and may be formed by machining a copper sheet , when the front end of the wire is inserted into the notch 330 and pressed toward the lower surface of the connection section 311 by the clamping section 323, the connection section 311 is electrically connected to the front end of the wire, the connection section 312 is used to connect the connection section 311 and the bottom 313, in an embodiment of the present invention, a plurality of through holes 314 are provided on the connection section 312 to reduce the cost of the copper sheet and facilitate heat dissipation, the bottom 313 is used to connect to the fixing section 321 to achieve the connection between the conductive portion 310 and the clamping portion 320, in an embodiment of the present invention, the fixing section 321 is provided with a hole 350 for cooperating and fixedly connecting to a bump 360 on the bottom 313, meanwhile, a gap 301 is formed between the adjacent bending section 322 and the adjacent clamping section 323, the bottom 313 is provided with a buckling arm 315 extending from the end thereof, the width of the buckling arm 315 is slightly smaller than the width of the gap 301, and the buckling arm 315 and the gap 301 is correspondingly disposed, the buckling arm passes through the gap 301 and bends the fixing section 321, further, the clamping section to achieve the connection between the clamping section 310 and the clamping portion 320, and the.

In order to stably mount the clamping member 300 inside the insulating housing 100 and to make the structure of the clamping member 300 more compact, the terminal section 311 is parallel to the bottom portion 313 and the fixing section 321, and the connecting section 312 is perpendicularly connected to the terminal section 311 and the bottom portion 313, respectively.

Insulating casing 100 can dismantle with deblocking piece 200 and be connected, in the embodiment of the utility model discloses a joint, deblocking piece 200 has sealing 160, insulating casing 100's top is equipped with joint hole 180, with th joint pin 162 joint of sealing 160, insulating casing 100's top still is equipped with down joint hole 190, with second joint pin 163 joint of sealing 160, sealing 160 internal surface is equipped with strengthening rib 161, be used for strengthening sealing 160's intensity, can cooperate other parts of insulating casing 100 simultaneously, advance step and support and be located insulating casing 100 inside clamping piece 300, prevent clamping piece 300 aversion, and insulating casing 100's top is equipped with the recess 191 that supplies strengthening rib 161 card to go into, make the connection between insulating casing 100 and the deblocking piece 200 inseparabler, deblocking piece 200 is direct to be connected with insulating casing 100, and seal insulating casing 100 after connecting.

The unlocking member 200 has a movable portion 210 capable of rotating or displacing relative to the clamping member 300, the movable portion 210 is capable of first passing through the th through hole 140 provided in the insulating housing 100 and extending into the cavity, and then further passing through the second through hole 370 provided in the conductive portion 310 and contacting the clamping member 300. in an embodiment of the present invention, the short arm 340 is not in contact with the lower surface of the wire connecting section 311, but is located below the second through hole 370 provided in the wire connecting section 311. the movable portion 210 contacts the short arm 340 of the clamping section 323, and presses the short arm 340 when a user applies an external force directly or indirectly to the movable portion 210, so that the short arm 340 drives the clamping section 323 to move toward the lower surface away from the wire connecting section 311, and the pressure applied to the front end of the wire is released, at which the wire is pulled out of the wire connecting terminal by applying a pulling force to the wire.

In the embodiment of the present invention, each movable portions 210 corresponds to clamping portions 320, and in steps, each unlocking members 200 corresponds to clamping portions 320, so as to achieve independent locking and unlocking of each wire, each movable portion 210 includes a body-formed pressing plate 211 and a pressing block 212, the pressing plate 211 has a downward-recessed arc surface suitable for being pressed by a human finger, so as to disperse a reaction force applied to the finger during pressing and improve operation comfort, the pressing block 212 is used for pressing and driving the clamping section 323 away from the lower surface of the wire connecting section 311, i.e., to be separated from the conductive portion 310, when pressed, the pressing block 212 and the clamping section 323 are in surface contact, and a contact surface (a surface in contact with the clamping section 323) of the pressing block 212 is a flat surface, and is transited with a smooth arc surface or a short flat surface between the non-contact surfaces of the pressing block 212, so as to reduce abrasion between the conductive portions, in the embodiment of the pressing block 212 and the pressing plate 211, the pressing block 212 is symmetrically disposed on the lower surface of the pressing plate 211, and accordingly, a second through hole and disposed on the insulating housing 100 and the pressing block 140 and the pressing block 240 and the clamping section 323 can increase the effective contact area, and the clamping section 323, thereby increasing the stability of the clamping section can also increase the clamping section and the clamping section and can increase the clamping section.

When the movable portion 210 is pressed down, the movable portion 210 actually rotates around the shaft with a small angle at the connection 220, in order to make the movable portion 210 rotate around the shaft smoothly when receiving an external force, spaces for allowing the movable portion 210 to rotate, namely the grooves 221, are required to be arranged at the connection 220, in order to make the movable portion 210 rotate around the shaft smoothly when receiving the external force, in the embodiment of the present invention, the cross section of the grooves 221 is triangular, and of course, the cross section may also be trapezoidal, arc or semicircular, and the like, as long as the opening width of the grooves 221 is not less than the width of the bottom of the grooves, of course, if the pressing plate 211 is long enough, the angle required to rotate when pressing down may be small enough, the opening width of the grooves 221 may also be less than the width of the bottom of the grooves, but may increase the processing difficulty, when the external force is removed, the movable portion 210 may be acted on the elastic force of the movable portion 210 itself, and the movable portion 210 may also move back to the original position by the external force, and the movable portion 210 may also return to the connection 210 in a detachable manner, such as the movable portion 210 may return to the movable portion 210 to the original position, and the movable portion 210 may be pressed down, and the movable portion 210 may be able to be pressed back to be pressed down, and the movable portion 210 in a pin-clamping manner, and the movable portion 210 may be returned to the insulation portion 210 in a pin-pressing mode, and the mode of the movable portion 210 may be able to be pressed down, and the movable portion 210 in a mode of the.

In the embodiment of the present invention, after the clamping member 300 is installed from the front opening of the insulating housing 100, the sealing portion 160 of the unlocking member 200 seals the insulating housing 100 at the front opening of the insulating housing 100, and the wire is inserted from the rear end of the insulating housing 100, i.e., the opening of the th channel 130 is located at the rear end of the insulating housing 100, the insulating housing 100 is further provided with a testing hole 150 for detecting voltage and current, and the outer bottom of the insulating housing 100 is further provided with a universal pin 170 for fixing the connection terminal on the plane of the electrical device.

Claims

1. The unlocking mechanism of the wiring terminal comprises an insulating shell (100) and an unlocking part (200) which are detachably connected, and is used for installing and controlling the opening and closing of a clamping piece (300) inside the wiring terminal, wherein the clamping piece (300) is positioned inside the insulating shell (100), the clamping piece (300) is used for fixing an external wire and is electrically connected with the external wire, and the unlocking mechanism is characterized in that: the unlocking part (200) passes through the insulating shell (100) and directly presses the clamping part (300) to unlock the clamping part (300).

2. The unlocking mechanism of the connection terminal according to claim 1, wherein the unlocking member (200) has a movable portion (210), the movable portion (210) extends into the insulating housing (100) through a th through hole (140) provided in the insulating housing (100) and contacts the clamping member (300), and the movable portion (210) is rotatable or displaceable relative to the clamping member (300) by an external force.

3. The unlocking mechanism of the wiring terminal according to claim 2, characterized in that the movable part (210) comprises a body-formed pressing plate (211) and a pressing block (212), the pressing plate (211) has a downward-concave cambered surface suitable for being pressed by human fingers, and the pressing block (212) is used for pressing the clamping piece (300) to realize unlocking when being pressed.

4. An unlocking mechanism for a connecting terminal according to any of claims 1 to 3, wherein the insulating housing (100) is engaged with the unlocking member (200).

5. The unlocking mechanism for a connection terminal according to claim 4, wherein: the unlocking piece (200) is provided with a sealing part (160), and the insulating shell (100) is clamped with the sealing part (160).

6. The unlocking mechanism for a connection terminal according to claim 5, wherein: the internal surface of sealing portion (160) is equipped with strengthening rib (161), the top of insulating casing (100) is equipped with the confession the recess (191) that strengthening rib (161) were gone into.

7. The unlocking mechanism of the terminal according to claim 1, wherein the unlocking member (200) has a movable portion (210), the movable portion (210) extends into the insulating housing (100) through a th through hole (140) formed in the insulating housing (100) and contacts the clamping member (300), the movable portion (210) can rotate or displace relative to the clamping member (300) under an external force, and the movable portion (210) is detachably connected to the insulating housing (100).

8. An unlocking mechanism of a connecting terminal according to any of claims 1 to 3, wherein the joint (220) of the unlocking member (200) and the insulating housing (100) has a groove (221).

9. The unlocking mechanism for a connection terminal according to claim 8, wherein: the opening width of the groove (221) is larger than or equal to the width of the bottom of the groove.

10. An unlocking mechanism of a connecting terminal according to any of claims 1 to 3, wherein the unlocking member (200) seals the insulating housing (100) at the opening of the front end of the insulating housing (100), and the wire is inserted into the insulating housing (100) from the rear end of the insulating housing (100).