Wiring terminal for wire
Technical Field
The invention relates to the technical field of electric connectors, in particular to a wiring terminal for a wire.
Background
The connecting terminal is used for connecting wires and is one of essential components in an electrical control system. There are some binding post that utilize the spring force to carry out centre gripping wire on the market at present, be equipped with the clamp splice that supports or the clamping piece that has the elastic action to the spring in this type of binding post, the wire is inserted and is established between the clamp splice or the clamping piece in binding post, the elasticity centre gripping to the wire is realized, this type of binding post has made things convenient for the fixed connection between terminal and the wire of connecting, nevertheless the elasticity centre gripping is not high to the firmness of wire centre gripping, can lead to contact failure, binding post's stability has been reduced.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new type of wiring terminal for wire, so that the wiring terminal has more industrial utility value.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a wiring terminal for a wire, which not only can conveniently realize the connection between the wire and the wiring terminal, but also can improve the clamping firmness and the stability.
The invention relates to a connecting terminal for a lead, which comprises a connector and a connecting sleeve formed on the connector, wherein a linear boss is formed on the opposite inner wall of the connecting sleeve, two splayed guide grooves are formed on the side wall of the boss, the distance between the ends of the guide grooves close to the connector is smaller than that between the ends far away from the connector, a contact pin is inserted in the connector and the connecting sleeve, a terminal is formed at one end of the contact pin, a pressure spring is inserted on the contact pin, two ends of the pressure spring are respectively pressed on the terminal and the connector, a linear cutting groove matched with the boss is formed on the opposite outer wall of the terminal, a connecting hole is formed on the side wall of the terminal, two jacks communicated with the connecting hole are formed on the side wall of the cutting groove, a pin shaft is inserted in the jacks, the end part of the pin shaft is inserted in the guide grooves, and the pin shaft comprises a fixed section and a switching section with the same diameter, the pin shaft structure comprises a fixed section, a switching section, a plurality of pressing teeth and a plurality of shifting teeth, wherein a shaft hole is formed in one end of the fixed section, inserting columns matched with the shaft hole are formed in two ends of the switching section, the inserting columns can be inserted and adsorbed on the inner wall of the shaft hole in an inserting mode, the inserting columns can stretch relative to the switching section, an annular groove is formed in one side of each inserting column at one end of the switching section, a plurality of pressing teeth with triangular sections are formed in the inner wall of the groove, and when the inserting columns close to the pressing teeth are inserted and adsorbed in the shaft hole;
the utility model discloses a lock sleeve, including adapter sleeve, connecting hole, terminal, the one end of adapter sleeve, the one end plug bush of adapter sleeve has the lock sleeve, the one end shaping of lock sleeve has the through-hole relative with the connecting hole on the terminal, the shaping has annular column jacket on the through-hole lock sleeve inner wall all around, the one end of column jacket is supported and is leaned on connecting hole terminal all around, and the shaping has a plurality of guide slots on the outer wall of adapter sleeve, and the one end shaping of keeping away from the through-hole on the lock sleeve has a plurality of pegs graft the stopper of the L type in the guide slot, the lock sleeve is stretched out to the one end of stopper, and one side inner wall of the relative inner wall in guide slot both sides is equipped with first magnet layer.
By means of the technical scheme, when the terminal is used, a lead penetrates through the through hole of the locking sleeve and the column sleeve and is inserted into the connecting hole of the terminal, the lead is located between the two pin shafts, the locking sleeve is pushed forcibly through one end of the limiting block, the locking sleeve is pressed towards the joint direction, the limiting block of the locking sleeve is separated from the first magnet layer and moves in the guide groove of the connecting sleeve until the limiting block is adsorbed on the second magnet layer, therefore, the locking sleeve is fixed on the connecting sleeve, the pin is driven to move towards the joint by the column sleeve in the moving process of the locking sleeve, the pin shafts can be driven to move along the guide grooves in the moving process of the terminal, the two pin shafts are folded, and the lead is clamped. The pin shaft comprises a fixed section and a switching section, the fixed section and the switching section have the same diameter, and the switching section can be switched at two ends and connected with the fixed section, so that the pin shaft is respectively suitable for a wire without an insulating coating and a wire with an insulating coating; when the wire coated with the insulating sheath is connected, the inserted column close to the pressing tooth on the switching section is fixedly connected in the shaft hole of the fixing section, and the pressing tooth is positioned in the middle of the pin shaft, so that the pressing tooth on the pin shaft can clamp and crush the insulating sheath of the wire, and the metal conductor is contacted.
Through the scheme, the wiring terminal for the wire can conveniently realize the connection between the wire and the wiring terminal, and can improve the clamping firmness and stability.
Preferably, a pin shaft inlet penetrating through the outer wall of the connecting sleeve is formed at one end of the guide groove of the boss at one side of the connecting sleeve.
Preferably, the diameter of the pin shaft inlet hole is equal to the width of the guide groove, the diameter of the pin shaft inlet hole is equal to the diameter of the pin shaft, and the width of the guide groove is equal to the width of the insertion hole in the terminal.
Preferably, the outer wall of the terminal abuts against the inner wall of the connecting sleeve.
As an optimization of the scheme, the connector, the connecting sleeve and the locking sleeve are made of insulating materials, the contact pin is made of conductive materials, and the central axes of the connector, the connecting sleeve, the contact pin and the locking sleeve are coincided.
Preferably, a rubber insulating sleeve is fixedly inserted into the column sleeve.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic sectional view of the joint and the connecting sleeve according to the present invention;
FIG. 4 is a schematic structural view of the pin shaft in two states according to the present invention;
FIG. 5 is a schematic cross-sectional view of the pin shaft according to the present invention;
fig. 6 is a schematic structural view of the terminal of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The following refers to fig. 1 to 6.
The invention relates to a connecting terminal for a lead, which comprises a connector 1 and a connecting sleeve 2 formed on the connector, wherein a linear boss 21 is formed on the opposite inner wall of the connecting sleeve, two splayed guide grooves 22 are formed on the side wall of the boss, the distance between the ends of the guide grooves close to the connector 1 is smaller than that between the ends far away from the connector, a contact pin 3 is inserted in the connector and the connecting sleeve, a terminal 31 is formed at one end of the contact pin, the outer wall of the terminal is abutted against the inner wall of the connecting sleeve 2, a pressure spring 4 is inserted on the contact pin, two ends of the pressure spring are respectively pressed on the terminal and the connector, a linear cutting groove 32 matched with the boss is formed on the opposite outer wall of the terminal, a connecting hole 311 is formed on the side wall of the terminal, two inserting holes 321 communicated with the connecting hole are formed on the side wall of the cutting groove, the pin shaft 5 is inserted in the insertion hole, the end part of the pin shaft is inserted in the guide groove 22, the pin shaft comprises a fixed section 51 and a switching section 52, the diameters of the fixed section and the switching section are the same, a shaft hole 511 is formed in one end of the fixed section, inserting columns 521 matched with the shaft hole are formed in two ends of the switching section, the inserting columns can be inserted and adsorbed on the inner wall of the shaft hole, the inserting columns can stretch and retract relative to the switching section 52, an annular groove 522 is formed in one side of the inserting column at one end of the switching section, a plurality of pressing teeth 523 with triangular cross sections are formed on the inner wall of the groove, and when the inserting columns 521 close to the pressing teeth are inserted and adsorbed in the shaft hole 511, the pressing teeth are.
The one end plug bush of adapter sleeve 2 has lock sleeve 6, the one end shaping of lock sleeve has the through-hole 61 relative with connecting hole 311 on the terminal 31, the shaping has annular column cover 62 on the lock sleeve inner wall all around of through-hole, the one end of column cover is supported and is leaned on connecting hole 31 all around, and the interpolation is fixed with rubber insulation cover 7 in the column cover, and the shaping has a plurality of guide slots 23 on the outer wall of adapter sleeve, and the one end shaping of keeping away from through-hole 61 on the lock sleeve 6 has a plurality of pegs graft stopper 63 of L type in the guide slot, the lock sleeve is stretched out to the one end of stopper, and one side inner wall of the relative inner wall in guide slot both sides is equipped with first magnet layer 81, and the opposite side inner wall is equipped with second magnet layer 82, and the stopper can adsorb on first magnet layer or second magnet.
A pin shaft inlet hole 24 penetrating through the outer wall of the connecting sleeve is formed at one end of the guide groove 22 of the boss 21 at one side of the connecting sleeve 2, the aperture of the pin shaft inlet hole is equal to the width of the guide groove, the aperture of the pin shaft inlet hole is equal to the diameter of the pin shaft 5, and the width of the guide groove is equal to the width of the insertion hole 321 on the terminal 31. The connector 1, the connecting sleeve 2 and the locking sleeve 6 are made of insulating materials, the contact pin 3 is made of conductive materials, and the central axes of the connector, the connecting sleeve, the contact pin and the locking sleeve are coincided.
When the invention is implemented specifically, a lead passes through the through hole 61 of the locking sleeve 6 and the column sleeve 62 and is inserted into the connecting hole 311 of the terminal 31, the lead is positioned between the two pin shafts 5, then the locking sleeve 6 is pushed by one end of the limiting block 63, the locking sleeve is pressed towards the direction of the joint 1, the limiting block of the locking sleeve is separated from the first magnet layer 81 and moves in the guide groove 22 of the connecting sleeve 2 until the limiting block is adsorbed on the second magnet layer 82, so that the locking sleeve 6 is fixed on the connecting sleeve 2, the pin 3 is driven by the column sleeve 62 to move towards the joint 1 in the moving process of the locking sleeve, the pin shafts 5 are driven to move along the guide grooves 22 in the moving process of the terminal 31, and therefore, the two pin shafts 5 are folded, and the lead is clamped firmly. The pin shaft 5 comprises a fixed section 51 and a switching section 52 which have the same diameter, the switching section can be switched at two ends to be connected with the fixed section, so that the pin shaft 5 is respectively suitable for a wire which is not coated with an insulating coating and a wire which is coated with an insulating coating, specifically, when a conventional wire which is not coated with an insulating coating is connected, a plug pin 521 on the switching section 52, which is far away from a pressing tooth 523, is plugged in a shaft hole 511 of the fixed section 51 to realize fixed connection, and therefore the smooth part on the pin shaft 5 clamps the wire which is not coated with the insulating coating, and the wire cannot be crushed; when connecting the wire coated with the insulating sheath, the inserted column 521 on the switching section 52 close to the pressing tooth 523 realizes fixed connection in the shaft hole 511 of the fixing section 51, and the pressing tooth 523 is positioned in the middle of the pin shaft 5, so that the pressing tooth on the pin shaft can clamp and crush the insulating sheath of the wire, thereby realizing the contact of the metal conductor.
In conclusion, the wiring terminal for the wire can conveniently realize the connection between the wire and the wiring terminal, and can improve the clamping firmness and stability.
The terminal for wire according to the present invention is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.