CN210779084U

CN210779084U - Quick plug wiring terminal

Info

Publication number: CN210779084U
Application number: CN201920075505.2U
Authority: CN
Inventors: 鲁文彬; 鲁文静
Original assignee: Shandong Taide Automatic Technology Ltd
Current assignee: Shandong Taide Automatic Technology Ltd
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-06-16
Anticipated expiration: 2029-01-17

Abstract

The utility model discloses a quick plug-pull binding post, which comprises a binding plug and a binding post seat, wherein the binding plug comprises a shell with a cavity arranged therein, the front end of the shell is provided with a terminal socket, the rear end of the shell is provided with a cable insertion hole, one side of the cavity close to the terminal socket is provided with two clamping tongue pieces which are symmetrically arranged and between which a terminal can be clamped, one end of the clamping tongue piece far away from the terminal socket is electrically connected with a binding piece which can be connected with a cable wire in a crimping way; the utility model provides a pull out fast and insert binding post can carry out the high-speed joint to the cable, pulls out fast through opening and closing of baffle and inserts that realizes cable and terminal, brings very big facility for the quick construction in scene, need not professional also can the rapid operation, avoids personnel to connect wrong circuit burning loss component, saves debugging cost and time to solve the problem that exists among the prior art.

Description

Quick plug wiring terminal

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a pull out fast and insert binding post.

Background

The plug-pull wiring plug belongs to a part of an electric connector and is used for receiving a terminal to form electric connection, the terminal is clamped by using an element with elasticity to be arranged with a contraction waist part, but the structure can not prevent the terminal from falling off the plug, so that a fastener is arranged on one side of the connector to lock.

Chinese patent application with publication number CN100416922C discloses a plug for horn connecting wire, which is characterized in that the front is a positive terminal insertion hole and a negative terminal insertion hole, the rear is a connecting wire insertion hole corresponding to the two terminals, and the inside of the hollow plug body is provided with: a horn terminal inserted into the terminal insertion hole and clamped by a tongue piece for clamping the terminal with two elastic surfaces; the twisted wires of the connecting wires which are connected with the tongue piece and inserted into the connecting wire insertion holes are clamped by the tongue piece for clamping the connecting wires with two elastic surfaces, wherein the plug is fixed by the elastic abutting rod, but the elastic abutting rod adopted by the device is easy to damage, and after the elastic abutting rod falls off, the elastic abutting rod is easy to cause loose matching with other elements, so that poor contact is caused, and the whole plug is replaced.

Patent No. CN101308960B discloses a terminal member comprising an insulating material housing and at least one spring clamp terminal, which includes a terminal spring formed by bending a spring steel sheet, a bus bar inserted into a clamping arm and closely attached to a supporting arm, and a wire feeding passage formed in the insulating material housing; the terminal spring comprises a supporting arm and a clamping arm which are connected to each other by a resilient bow section, the line feed channel extending from the resilient bow section of the rear side of the terminal spring along the supporting arm at least to the busbar. The wall part of the inlet channel formed by the insulating material housing is interrupted. The end of the busbar resting against the support arm extends obliquely to the support arm and forms the funnel of the feed channel. The support arms of the terminal spring form the wall of the feed channel together with the busbar in the interruption of the insulating material housing. The device adopts the loudspeaker form to hold the terminal with ease, adds the holding power little, and easy dropout.

The terminal block, also known as the electric connecting terminal, the connecting terminal, mean have one or more circuit connection can insert the socket, can insert various connections through it, easy to connect with other circuits, it is mainly used for transmitting signal and conducting electricity, play a role in connecting and conducting, the terminal block that different electrical equipment applies to is different, and apply to the terminal block in different apparatuses its corresponding standard is different too;

the cable needs the user to process at the scene, accomplishes threading and connecting terminal, consumes man-hour, and breaks down easily, causes the circuit to burn out.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the utility model provides a pull out fast and insert binding post can carry out the high-speed joint to the cable, realizes pulling out fast of cable and terminal through opening and closing of baffle and inserts, brings very big facility for the quick construction in scene, need not professional also can the rapid operation, avoids personnel to connect wrong circuit burning loss component, saves debugging cost and time to solve the problem that exists among the prior art.

The utility model discloses a realize through following technical scheme:

a quick plug-pull wiring terminal comprises a wiring plug and a wiring terminal base, wherein the wiring plug comprises a shell with a cavity arranged inside, a terminal socket is arranged at the front end of the shell, a cable insertion hole is formed in the rear end of the shell, two clamping tongue pieces which are symmetrically arranged and between which a terminal can be clamped are arranged on one side of the cavity close to the terminal socket, and one end of each clamping tongue piece, far away from the terminal socket, is electrically connected with a wiring piece capable of crimping a cable wire; the two clamping tongues are sequentially arranged into a guide section with gradually shortened interval, an accommodating section with first increased and then shortened interval and a connecting section for electrically connecting the contact pieces along the direction from the front end to the rear end of the shell;

the wiring terminal seat comprises a base and a metal sheet, the metal sheet is located in the base, the base comprises a plug connecting cavity, a lead fixing cavity and a containing cavity, correspondingly, one end of the metal sheet is a plug connecting end, the other end of the metal sheet is a lead connecting end, the plug connecting end is located in the plug connecting cavity, the lead connecting end is located in the lead fixing cavity, the plug connecting end extends into the containing cavity and is connected with the lead connecting end, and a protrusion matched with a plug is arranged at the front end of the plug connecting end;

the bulge is movably arranged between the two clamping tongues.

Preferably, the shape of the housing corresponds to the shape of the plug connection cavity, and the housing is movably mounted inside the plug connection cavity.

Preferably, an insulation supporting block is fixed in the cavity and located on one side of the wiring piece, an elastic piece is wound on the insulation supporting block, the head end of the elastic piece is clamped between the insulation supporting block and the wiring piece, a cable clamping hole is formed in the tail end of the elastic piece and forms a cable clamping portion after the elastic piece is bent anticlockwise around the insulation supporting block, the cable clamping hole is right opposite to a cable insertion hole, the insulation supporting block and the shell are integrally formed, an operation hole is formed in the rear end of the shell and located on one side of the cable insertion hole, and the operation hole is right opposite to the elastic piece.

Preferably, an accommodating area is formed between the accommodating sections of the two clamping tongues, and the accommodating area is parallelogram or oval.

Further optimally, still be equipped with back even formula spring in the fixed intracavity of wire, back even formula spring's one end with the wire link is connected, back even formula spring's the other end is equipped with the through-hole, the wire link is located in the through-hole, the base still is equipped with the wiring mouth that makes the wire can get into the through-hole, the position of wiring mouth with the position of through-hole is corresponding, one side of wiring mouth is equipped with the screwdriver entry, the screwdriver entry is located back even formula spring's top.

Preferably, the cross-sectional shape of the protrusion is a parallelogram or an ellipse.

Further optimally, the waist is formed at the joint of the accommodating section and the guide section, an elastic clamping piece is arranged between the clamping tongue piece and the inner wall of the cavity, one end of the elastic clamping piece is fixed at the connecting section of the clamping tongue piece, and the other end of the elastic clamping piece is bent inwards and abuts against the waist of the clamping tongue piece.

Preferably, the base is further provided with a socket connecting device for connecting other sockets.

Further optimally, the socket connecting device comprises a plurality of limiting blocks positioned on the base, grooves with the same number as the limiting blocks are arranged on the other side of the base, the limiting blocks are matched with the grooves, and the two wiring sockets are connected through the limiting blocks and the grooves in a buckled mode.

Further optimally, the socket connecting device comprises a sliding rail positioned on the base, a sliding groove matched with the sliding rail is formed in the other surface of the base, and two adjacent wiring sockets are movably connected through the sliding rail and the sliding groove.

The utility model has the advantages that:

the quick plug terminal of the utility model can quickly connect cables, realize quick plug of cables and terminals by opening and closing the baffle, bring great convenience to on-site quick construction, can be quickly operated without professionals, avoid personnel from mistakenly connecting line burning elements, save debugging cost and time, and is suitable for wide popularization and application;

the utility model discloses a wiring plug not only can prevent the inserted terminal from falling off, but also can prevent the terminal from being excessively inserted to cause the loosening and damage of internal elements;

the utility model discloses a wiring plug adopts the elastic sheet rear end interlude cable of installation, utilizes its elasticity to be in fixed state with the cable in the cavity, is favorable to the cable to be stably fixed on the contact piece, even there is external force to stimulate the external cable, the shell fragment can play the guard action, prevents that the wire of crimping on the contact piece from coming off;

drawings

Fig. 1 is a schematic structural diagram of the middle connection plug of the present invention.

Fig. 2 is a schematic view of the structure of the middle connection terminal base of the present invention.

Fig. 3 is a schematic view of the external structure of the middle connection terminal base of the present invention.

Fig. 4 is a schematic top view of the middle return spring of the present invention.

Fig. 5 is a schematic structural view of the middle elastic sheet of the present invention.

In the figure:

1. a wiring plug 11, a shell; 12. a cavity; 13. a terminal insertion opening; 14. a cable insertion opening; 15. clamping the tongue piece; 11. a wiring member; 151. a guide section; 152. an accommodating section; 153. a connecting section; 154. a containment region; 155. waist part 156, elastic clamping piece 16, connecting piece 17, operation hole 18 and insulation supporting block; 19. an elastic sheet; 191. a cable clamp hole; 192. a cable clamping part;

2. a connection terminal base;

3. a base; 311. a first clamping strip; 312. a second clamping strip; 313. mounting grooves; 31. a plug connection cavity; 32. a lead wire fixing cavity; 33. an accommodating chamber; 34. a back-connected spring; 341. a through hole; 35. a wiring port; 36. a screwdriver inlet; 37. a limiting block; 38. a groove; 39. a slide rail; 310. a chute;

4. a metal sheet; 41. a plug connection end; 42. a wire connecting end; 411. a protrusion;

5. a socket connecting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, the embodiment discloses a quick-plugging connection terminal, which includes a connection plug 1 and a connection terminal base 2, where the connection plug 1 includes a housing 11 with a cavity 12 therein, the front end of the housing 11 is provided with a terminal socket 13, the rear end of the housing 11 is provided with a cable insertion opening 14, one side of the cavity 12 close to the terminal socket 13 is provided with two symmetrically arranged clamping tongues 15 capable of clamping a terminal therebetween, and one end of the clamping tongue 15 far from the terminal socket 13 is electrically connected to a connection piece 16 capable of crimping a cable wire; the connecting cable conductor can be fixed by screw or welded, the terminal is inserted into the inner cavity 12 from the terminal insertion opening 13 and clamped between the two clamping tongues 15, and the cable is clamped in the wiring piece 16 from the cable insertion opening 14, so that the electric connection can be completed.

Two clamping tongues 15 are sequentially arranged along the direction from the front end to the rear end of the shell 11 into a guide section 151 with gradually shortened interval, an accommodating section 152 with first increased interval and then shortened interval and a connecting section 153 for electrically connecting the contact pieces; the clamping tongues 15 can be matched to the terminal widened end.

The connection terminal base 2 comprises a base 3 and a metal sheet 4, the metal sheet 4 is located in the base 3, the base 3 comprises a plug connection cavity 31, a lead fixing cavity 32 and an accommodating cavity 33, correspondingly, one end of the metal sheet 4 is a plug connection end 41, the other end of the metal sheet 4 is a lead connection end 42, the plug connection end 41 is located in the plug connection cavity 31, the lead connection end 42 is located in the lead fixing cavity 32, the plug connection end 41 extends into the accommodating cavity 33 and is connected with the lead connection end 42, and a protrusion 411 matched with a plug is arranged at the front end of the plug connection end 41;

the protrusion 411 is movably disposed between the two clamping tongues 15.

In a preferred embodiment, the shape of the housing 11 corresponds to the shape of the plug connection cavity 31, and the housing 11 is movably mounted inside the plug connection cavity 31.

As a preferred embodiment, as shown in fig. 1 and 5, an insulating support block 18 is fixed in the cavity 12 and located on one side of the wire connecting member 16, an elastic piece 19 is wound on the insulating support block 18, the head end of the elastic piece 19 is clamped between the insulating support block 18 and the wire connecting member 16, a cable clamping hole 191 is formed at the tail end of the elastic piece 19 and is bent counterclockwise around the insulating support block 18 to form a cable clamping portion 192, the cable clamping hole 191 faces the cable inserting hole 14, the insulating support block 18 is integrally formed with the housing 11, an operation hole 17 is formed at the rear end of the housing 11 and located on one side of the cable inserting hole 14, and the operation hole 17 faces the elastic piece 19. When the cable is required to be crimped, the screw rod can be directly inserted into the operation hole 17, the elastic piece 19 is forcibly propped against the elastic piece 19, the elastic piece 19 deforms, the cable clamping hole 191 is opposite to the cable insertion hole 14, after the cable is inserted, the screw rod is loosened, and the elastic piece 19 retracts elastically, so that the cable clamping hole 191 retracts towards the insulating support block 18, and the cable is clamped.

In a preferred embodiment, a receiving area 154 is formed between the receiving sections 152 of the two clamping tongues 15, and the receiving area 154 has a parallelogram shape or an oval shape corresponding to the shape of the protrusion 411, so that the connection terminal base 2 and the connection plug 1 can be easily and quickly mounted and dismounted. The pulling and inserting force is small in the pulling and inserting process, and the terminal is not easy to wear.

In a preferred embodiment, a back-connecting spring 34 is further disposed in the wire fixing cavity 32, one end of the back-connecting spring 34 is connected to the wire connecting end 42, the other end of the back-connecting spring 34 is provided with a through hole 341, the wire connecting end 42 is located in the through hole 341, the base 3 is further provided with a wire connecting port 35 for allowing a wire to enter the through hole, the position of the wire connecting port 35 corresponds to the position of the through hole 341, a screwdriver inlet 36 is disposed on one side of the wire connecting port 35, and the screwdriver inlet 36 is located above the back-connecting spring 34. When a wire needs to be fixed, a screwdriver enters the wire fixing cavity 32 through the screwdriver inlet 36 and abuts against the back connection type spring 34, only the wire connecting end 42 penetrates through the through hole 341 of the back connection type spring 34 at the moment, the screwdriver fine adjustment position abuts against the back connection type spring 34 to enable the position of the through hole 341 to move, the wire enters the through hole 341 from the wiring port 35, the wire connecting end 42 and the wire are connected in the through hole 341 at the moment, the screwdriver is withdrawn from the screwdriver inlet 36, the wire connecting end 42 in the through hole 341 and the wire are locked, the plug is connected with the socket through the plug connecting cavity 31 at the moment, the protrusion 411 of the plug connecting end 41 can clamp the position of the plug, and the plug is not easy to loosen with the socket.

In a preferred embodiment, the cross-sectional shape of the protrusion 411 is a parallelogram or an ellipse. The plug can be more smooth when getting into, and parallelogram or oval itself have certain width moreover, and the plug gets into the back, and the vibrations that equipment work produced can not make the plug not hard up or drop, guarantees the smoothness of equipment operation, reduces maintenance frequency, has improved work efficiency.

In a preferred embodiment, the connection between the receiving section 152 and the guiding section 151 forms a waist 154, and an elastic clamping piece 156 is disposed between the clamping tongue 15 and the inner wall of the cavity 12, one end of the elastic clamping piece 156 is fixed to the connection section of the clamping tongue 15, and the other end is bent inward and abuts against the waist 154 of the clamping tongue. The elastic clamping piece 156 arranged between the clamping tongue piece 15 and the inner wall of the cavity 12 can further increase the clamping force and prevent the linear type terminal from falling off.

In a preferred embodiment, the base 3 is further provided with a socket connecting device 5 for connecting with another socket.

As a preferred embodiment, the socket connecting device 3 includes a plurality of limiting blocks 37 located on the base 3, grooves 38 with the same number as the limiting blocks 37 are provided on the other surface of the base 3, the limiting blocks 37 are matched with the grooves 38, and two connection sockets are connected by the limiting blocks 37 and the grooves 38 in a snap-fit manner.

In a preferred embodiment, the socket connecting device includes a sliding rail 39 located on the base 3, a sliding groove 310 matching with the sliding rail 39 is provided on the other surface of the base 3, and two adjacent connection sockets are movably connected through the sliding rail 39 and the sliding groove 310.

the parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a pull out fast and insert binding post, includes wiring plug (1) and wiring terminal seat (2), its characterized in that: the wiring plug (1) comprises a shell (11) with a cavity (12) arranged therein, a terminal socket (13) is arranged at the front end of the shell (11), a cable insertion hole (14) is arranged at the rear end of the shell (11), two clamping tongue pieces (15) which are symmetrically arranged and between which a terminal can be clamped are arranged at one side of the cavity (12) close to the terminal socket (13), and one end of each clamping tongue piece (15) far away from the terminal socket (13) is electrically connected with a wiring piece (16) capable of crimping a cable wire; two clamping tongues (15) are sequentially arranged along the direction from the front end to the rear end of the shell (11) into a guide section (151) with gradually shortened interval, an accommodating section (152) with first increased interval and then shortened interval and a connecting section (153) for electrically connecting the contact pieces;

the wiring terminal seat (2) comprises a base (3) and a metal sheet (4), the metal sheet (4) is located in the base (3), the base (3) comprises a plug connection cavity (31), a lead fixing cavity (32) and an accommodating cavity (33), correspondingly, one end of the metal sheet (4) is a plug connection end (41), the other end of the metal sheet (4) is a lead connection end (42), the plug connection end (41) is located in the plug connection cavity (31), the lead connection end (42) is located in the lead fixing cavity (32), the plug connection end (41) extends into the accommodating cavity (33) and is connected with the lead connection end (42), and a protrusion (411) matched with a plug is arranged at the front end of the plug connection end (41);

the bulge (411) is movably arranged between the two clamping tongues (15).

2. The quick-connect and disconnect terminal of claim 1, wherein: the shape of the shell (11) corresponds to that of the plug connecting cavity (31), and the shell (11) is movably arranged in the plug connecting cavity (31).

3. The quick-connect and disconnect terminal of claim 2, wherein: the cable connector is characterized in that an insulation supporting block (18) is fixed in the cavity (12) and located on one side of the wiring piece (16), an elastic piece (19) is wound on the insulation supporting block (18), the head end of the elastic piece (19) is clamped between the insulation supporting block (18) and the wiring piece (16), a cable clamping hole (191) is formed in the tail end of the elastic piece (19) and bends anticlockwise around the insulation supporting block (18) to form a cable clamping portion (192), the cable clamping hole (191) is right opposite to the cable insertion hole (14), the insulation supporting block (18) and the shell (11) are integrally formed, an operation hole (17) is formed in the rear end of the shell (11) and located on one side of the cable insertion hole (14), and the operation hole (17) is right opposite to the elastic piece (19).

4. The quick-connect and disconnect terminal of claim 3, wherein: an accommodating area (154) is formed between the accommodating sections (152) of the two clamping tongues (15), and the accommodating area (154) is parallelogram or oval.

5. The quick-connect and disconnect terminal of claim 4, wherein: still be equipped with back even formula spring (34) in fixed chamber of wire (32), the one end of back even formula spring (34) with wire connection end (42) are connected, the other end of back even formula spring (34) is equipped with through-hole (341), wire connection end (42) are located in through-hole (341), base (3) still are equipped with wiring mouth (35) that make the wire can get into the through-hole, the position of wiring mouth (35) with the position of through-hole (341) is corresponding, one side of wiring mouth (35) is equipped with screwdriver entry (36), screwdriver entry (36) are located the top of back even formula spring (34).

6. The quick-connect and disconnect terminal of claim 5, wherein: the cross-sectional shape of the protrusion (411) is a parallelogram or an ellipse.

7. The quick-connect and disconnect terminal of claim 1, wherein: the holding section (152) and the guide section (151) are connected to form a waist part (155), an elastic clamping piece (156) is arranged between the clamping tongue piece (15) and the inner wall of the cavity (12), one end of the elastic clamping piece (156) is fixed on the connecting section of the clamping tongue piece (15), and the other end of the elastic clamping piece is bent inwards to abut against the waist part (155) of the clamping tongue piece.

8. The quick-connect and disconnect terminal of claim 1, wherein: the base (3) is also provided with a socket connecting device (5) for connecting other sockets.

9. The quick-connect and disconnect terminal of claim 8, wherein: socket connecting device (5) are including being located a plurality of stopper (37) on base (3), the another side of base (3) be equipped with stopper (37) the same quantity recess (38), stopper (37) with recess (38) phase-match passes through between two connection socket stopper (37) with recess (38) snap-fit connection.

10. The quick-connect and disconnect terminal of claim 9, wherein: socket connecting device (5) are including being located slide rail (39) on base (3), the another side of base (3) be equipped with slide rail (39) matching spout (310), pass through between two adjacent wiring sockets slide rail (39) with spout (310) removal connection.