CN116487939A

CN116487939A - Press type quick wiring terminal structure

Info

Publication number: CN116487939A
Application number: CN202310401252.4A
Authority: CN
Inventors: 杨勇
Original assignee: Utl Electrical Co ltd
Current assignee: Utl Electrical Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-25
Anticipated expiration: 2043-04-14
Also published as: CN116487939B

Abstract

The utility model relates to a quick binding post structure of push type, it relates to binding post's technical field, and it includes casing, electric conductor and elastic sheet, the casing is provided with cavity, the jack that supplies the wire to insert that supplies electric conductor and elastic sheet to place, jack and cavity intercommunication, the elastic sheet includes contact portion, connecting portion, clamping part and the pressurized part that link to each other in proper order, the electric conductor is including bottom plate, connecting plate and the wiring board that link to each other in proper order, contact portion is laminated with the bottom plate, supply the wire to insert between wiring board and the clamping part, the wiring board is provided with the through-hole that supplies the pressurized part to pass; the shell is connected with a key in a sliding manner, and the key faces the pressed part. The quick connecting terminal has the advantages of firm and reliable wire clamping, stable current and signal transmission, disassembly and assembly without any tool and simplicity and convenience in operation.

Description

Press type quick wiring terminal structure

Technical Field

The application relates to binding post's field especially relates to a quick binding post structure of push type.

Background

The wiring terminal is a common basic accessory product for realizing electric connection, belongs to an industrial connector, and is mainly used for effectively transmitting signals and currents, so that a circuit can realize a preset function, and huge assistance is provided for development of the fields of industrial automation, automobile electronics, mobile phones, industrial electronics, medical electronics and the like. Safety guards and simple handling are two major central values of terminals facing the coupling market.

The existing wiring terminals can be divided into bolt compression type wiring terminals and spring plate clamping type wiring terminals according to wiring modes, wherein the spring plate clamping type wiring terminals are quick wiring terminals, after a wire is inserted, the wire is clamped in a conductor by means of the elasticity of an elastic sheet, so that the compression force between the wire and the conductor is ensured. When the wire is required to be loosened in daily operation and maintenance, the elastic sheet can be extruded by using a tool or an operating rod to take out the wire, so that the wire has the characteristics of safety, rapidness and flexibility in installation, can meet the custom-made assembly requirement, saves a large amount of wiring time, and ensures high-efficiency and flexible load and control current distribution.

Since the above-mentioned terminal needs to press the elastic piece with a special tool to take out the wire, there are the following drawbacks: on the one hand, once the user forgets to carry or does not adapt to carry the tool, the user cannot work, and needs to search the tool back and forth, so that time is wasted; on the other hand, because special tools are needed for wiring and disconnecting, enough space must be reserved for operation, which is contrary to the existing design concept of light weight and compactness and does not conform to the current trend and trend.

Disclosure of Invention

In order to facilitate the wire dismantling of the wiring terminal, the application provides a push type quick wiring terminal structure.

The application provides a quick binding post structure of push type adopts following technical scheme:

the utility model provides a quick binding post structure of push type, includes casing, electric conductor and elastic piece, the casing is provided with the cavity that supplies electric conductor and elastic piece to place, supplies the jack that the wire inserted, jack and cavity intercommunication, the elastic piece includes contact part, connecting portion, clamping part and the pressurized part that link to each other in proper order, the electric conductor includes bottom plate, connecting plate and the wiring board that link to each other in proper order, contact part laminating mutually with the bottom plate, supply the wire to insert between wiring board and the clamping part, the wiring board is provided with the through-hole that supplies the pressurized part to pass;

the shell is connected with a key in a sliding manner, and the key faces the pressed part.

Through adopting above-mentioned technical scheme, when needing the installation wire, pressing the button, the pressure receiving portion just receives pressure for the elastic sheet takes place deformation, forms between clamping part and the wiring board and supplies wire male space, loosens the button after the wire inserts, and elastic sheet resumes deformation, and clamping part and wiring board press from both sides the wire tightly, realize that close connection is fixed, and the dismantlement process of wire is the same.

The quick connecting terminal has the advantages of firm and reliable wire clamping, stable current and signal transmission, disassembly and assembly without any tool and simplicity and convenience in operation.

Optionally, the button includes the sliding bar, connects in the push down plate of sliding bar one end and connects in the anticreep piece of sliding bar other end side, the casing is provided with the slide hole that supplies anticreep piece and sliding bar to stretch into the cavity, the casing outer wall is connected with boss and anticreep hook in slide hole department, the sliding bar is located between boss and the anticreep hook, the anticreep hook is used for blockking the anticreep piece.

By adopting the technical scheme, the key is convenient to assemble, and the key can be directly inserted; secondly, the key is not easy to separate after the key is assembled, and the elastic piece is prevented from being ejected out of the shell; thirdly, the anti-falling block increases the area of the end part of the sliding bar so as to apply force to the pressed part.

Optionally, fastener is installed to button department, fastener includes the movable frame of being connected with the pressing plate, the movable frame inside wall is connected with a plurality of slipmats that are used for supporting tight wire, the casing is provided with the movable hole that supplies the movable frame to slide, the movable hole communicates with the jack.

Through adopting above-mentioned technical scheme, utilize the elastic force of elastic piece for the slipmat supports tightly the wire, in order to improve the fastening effect that the wire received.

Optionally, the movable frame comprises a top bar connected with the pressing plate, side bars connected with two ends of the top bar and a fastening bar connected between one ends of the two side bars far away from the top bar, and the anti-slip pad is connected with the fastening bar;

the push button is connected with the connecting strip in a sliding manner at the middle part of the top strip, two ends of the connecting strip extend into the two side strips respectively and are connected with the pressing strips, the movable frame is provided with a movable cavity for sliding of the push button, the connecting strip and the pressing strips, the side strips are provided with limiting cavities communicated with the movable cavity, limiting strips are arranged in the limiting cavities, a spring is arranged between each limiting strip and the inner wall of each limiting cavity, one side, close to the pressing strip, of each limiting strip is provided with an extrusion inclined surface matched with the pressing strip, and the limiting strips retract into the limiting cavities after the pressing strips apply acting force to the extrusion inclined surfaces;

the inner wall of the movable hole is provided with a first limit hole and a second limit hole, when the lead is not inserted and the key is not pressed, the limit bar can be inserted into the first limit hole, and when the pressing plate is attached to the boss, the limit bar can be inserted into the second limit hole.

Through adopting above-mentioned technical scheme, after pressing the button, the layering extrudees spacing for spacing withdrawal spacing chamber, and then make the movable frame slide smoothly. The movable frames in two states are limited through the arrangement of the first limiting holes and the second limiting holes, namely, the keys are limited, firstly, an anti-false touch effect is achieved, after the rapid wiring terminal is assembled, the keys are not easy to press down before the wires are not inserted, and further the risk that the elastic sheets are frequently pressed and deformed and the service life is reduced is avoided; secondly, the pressed keys are limited, so that the keys do not need to be pressed all the time in the wire inserting process, and the assembly is labor-saving.

Optionally, an end of the pressed portion away from the connection portion is bent in a direction towards the wiring board to form a corner end, and the corner end is used for abutting against the wire.

By adopting the technical scheme, the fastening effect on the wire is improved, so that the wire is difficult to pull out.

Optionally, a protrusion is disposed on a side of the wiring board facing the elastic piece, and the corner-shaped end abuts against the protrusion when the wire is not inserted.

By adopting the technical scheme, the bulge plays a limiting role on the corner-benefiting end on one hand and is beneficial to clamping the lead on the other hand.

Optionally, a limiting plate for blocking the wires is connected to one side of the connecting plate away from the wiring board.

By adopting the technical scheme, the lead is prevented from being excessively inserted.

Optionally, the contact portion is connected with two hooks that symmetry set up, the hook cooperates with the connecting plate joint.

By adopting the technical scheme, the connection tightness between the elastic sheet and the conductor is improved.

Optionally, the bottom plate is connected with the grafting portion that supplies the accessory to insert, the bottom plate is connected with the locating piece, the casing is provided with the locating hole that supplies the locating piece card to go into.

By adopting the technical scheme, the stability of the conductor after assembly is improved.

Optionally, a mounting opening for the electric conductor and the elastic piece to enter and exit is formed in one side of the cavity, and an end cover inserted into the mounting opening is clamped to the shell.

By adopting the technical scheme, the quick connecting terminal assembly is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the elastic sheet is pressed by pressing the key, so that the clamping action on the lead can be relaxed, the lead can be easily installed and disassembled as long as the finger can extend into the compact installation space, and the quick connecting terminal has the advantages of firm and reliable wire clamping, stable current and signal transmission, disassembly without any tool and simple and convenient operation, and ensures high-efficiency and flexible load and current distribution control;

2. through fastener's setting, guarantee the tight effect of clamp to the wire, and be convenient for assemble and go on.

Drawings

Fig. 1 is a schematic structural view of a push-type quick connection terminal according to an embodiment of the present application;

fig. 2 is an exploded view of a push-on quick connector structure according to an embodiment of the present application;

FIG. 3 is an exploded view of a housing, key and end cap according to one embodiment of the present application;

fig. 4 is a schematic structural view of an electrical conductor and an elastic sheet according to the first embodiment of the present application;

fig. 5 is a schematic top view of a push-on quick connector structure according to an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 5;

fig. 8 is a schematic cross-sectional view of a wire insertion state according to an embodiment of the present application;

fig. 9 is a schematic structural view of a push-type quick connection terminal structure according to a second embodiment of the present application;

fig. 10 is a schematic cross-sectional view of a housing and fastening device of a second embodiment of the present application.

Reference numerals illustrate: 1. a housing; 11. a cavity; 111. a mounting port; 12. a jack; 13. a boss; 14. unhooking prevention; 15. a movable hole; 16. a first limiting hole; 17. a second limiting hole; 18. positioning holes; 19. a slide hole; 2. an electric conductor; 21. a bottom plate; 22. a connecting plate; 23. a wiring board; 231. a through hole; 232. a protrusion; 24. a limiting plate; 25. a plug-in part; 26. a positioning block; 3. an elastic sheet; 31. a contact portion; 32. a connection part; 33. a clamping part; 331. a corner benefiting end; 34. a pressure receiving portion; 35. a clamping hook; 4. a key; 41. a sliding bar; 42. pressing the plate; 43. an anti-falling block; 5. a fastening device; 51. a movable frame; 511. a top strip; 512. side bars; 513. a fastening strip; 514. a movable cavity; 515. a spacing cavity; 52. an anti-slip pad; 53. a button; 54. a connecting strip; 55. pressing strips; 56. a limit bar; 561. extruding the inclined plane; 57. a spring; 6. an end cap.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-10.

Embodiment one:

referring to fig. 1 and 2, a push-type quick connection terminal structure includes a housing 1, a conductive body 2, an elastic piece 3, a key 4 and an end cover 6, wherein the conductive body 2 and the elastic piece 3 are both installed inside the housing 1 for connecting wires and accessories, and the accessories are electronic devices matched with the terminals. The key 4 is used for pressing the elastic sheet 3 to loosen the lead, so that the lead is convenient to disassemble and assemble.

Referring to fig. 1 and 2, two housings 1 are provided, a connecting block is fixedly connected between the two housings 1, a through hole is formed in the middle of the connecting block in a penetrating manner, and a screw penetrates through the through hole to fix the quick connecting terminal on the control panel.

Referring to fig. 3, the housing 1 is provided with a cavity 11 in which the conductive body 2 and the elastic sheet 3 are placed, and a mounting opening 111 through which the conductive body 2 and the elastic sheet 3 are introduced and withdrawn is provided at one side of the cavity 11. The housing 1 is provided with a socket at one end thereof adjacent to the mounting opening 111 through which the end cap 6 passes, and the end cap 6 is inserted into the mounting opening 111 through the socket to close the cavity 11. Two pins are connected to one end of the end cover 6, and the housing 1 is provided with a clamping hole into which the pins are inserted. The end cover 6 is kept away from the one end of participating in and runs through and is provided with the square hole, and square hole inner wall is connected with the buckle, and after the end cover 6 inserted the installing port 111, the buckle butt in casing 1 inner wall for end cover 6 can't pull out. When the end cover 6 is required to be pulled out, the buckle is pressed down to enable the buckle to be bent and deformed to retract the square hole, and at the moment, the end cover 6 can be taken out from the socket.

Referring to fig. 2 and 3, two insertion holes 12 into which the lead wires are inserted are provided at one end of the housing 1 away from the mounting port 111, mounting holes into which the fittings are inserted are provided at the side of the housing 1, and both the insertion holes 12 and the mounting holes are communicated with the cavity 11.

Referring to fig. 3 and 4, the conductor 2 includes a base plate 21, a connecting plate 22, a wiring board 23, a limiting plate 24, a plug-in portion 25 and a positioning block 26, which are integrally formed, the base plate 21 is attached to an inner wall of the housing 1 far away from the mounting hole, the connecting plate 22 is provided with two connecting plates and is connected to two opposite sides of the base plate 21, the wiring board 23 is connected to one end of the connecting plate 22 far away from the base plate 21, and the wiring board 23 is located on one side of the base plate 21 near the mounting hole. The limiting plate 24 is connected to a side of the connecting plate 22 away from the wiring board 23, and the limiting plate 24 faces the jack 12 for preventing excessive insertion of the wires. The two wiring boards 23 are provided with through holes 231 for one ends of the elastic pieces 3 to pass through on the opposite sides, and the wiring boards 23 are provided with protrusions 232 on the sides facing the bottom plate 21.

Referring to fig. 5 and 6, the positioning block 26 is connected to the side of the bottom plate 21 near the mounting opening 111, and the housing 1 is provided with a positioning hole 18 into which the positioning block 26 is engaged. The connector portion 25 is connected to the base plate 21 and faces the mounting hole, and the connector portion 25 is provided with two insertion ends for clamping the fitting.

Referring to fig. 4 and 6, the elastic sheet 3 includes an integrally formed contact portion 31, a connecting portion 32, a clamping portion 33, a pressed portion 34, and hooks 35, wherein the contact portion 31 is attached to the base plate 21, the hooks 35 are symmetrically provided with two hooks and are connected to the connecting portion 32, and the hooks 35 are engaged with the connecting plate 22. The connecting portion 32 is connected to a side of the contact portion 31 away from the hook 35, the clamping portion 33 is connected to an end of the connecting portion 32 away from the contact portion 31, and the pressure receiving portion 34 is connected to an end of the clamping portion 33 away from the connecting portion 32. Included angles are formed between the connecting portion 32 and the contact portion 31 and between the connecting portion 32 and the clamping portion 33. The clamping portion 33 is adjacent to the wiring board 23, and a wire is inserted between the wiring board 23 and the clamping portion 33. The width of the pressed portion 34 is smaller than that of the clamping portion 33, and the pressed portion 34 passes through the through hole 231 to face the key 4 when the wire is not inserted, so that the pressed portion 34 is stressed after the key 4 is pressed, and the elastic sheet 3 can be deformed, so that the wire is inserted between the clamping portion 33 and the wiring board 23.

Referring to fig. 6 and 8, the end of the pressed portion 34 away from the connection portion 32 is bent in a direction toward the terminal plate 23 to form a favorable corner end 331, and when the wire is inserted, one corner of the favorable corner end 331 abuts against the wire, making it difficult to pull out the wire. The corner 331 abuts the protrusion 232 when the wire is not inserted.

Referring to fig. 3 and 7, the key 4 is slidably connected to the housing 1, and the housing 1 is provided with a slide hole 19 facing the pressure receiving portion 34, and the slide hole 19 communicates with the cavity 11. The key 4 includes a sliding bar 41, a pressing plate 42 fixedly connected to one end of the sliding bar 41, and a release preventing block 43 fixedly connected to the side surface of the other end of the sliding bar 41, where the release preventing block 43 and the sliding bar 41 extend into the cavity 11 through the sliding hole 19. The outer wall of the shell 1 is fixedly connected with a boss 13 and an anti-unhooking hook 14 at the sliding hole 19, the boss 13 is U-shaped, and when the key 4 is pressed down to the pressing plate 42 to be attached to the boss 13, the key 4 cannot be pressed down continuously. The anti-falling hook 14 is positioned at the opening of the boss 13, the sliding bar 41 is positioned between the boss 13 and the anti-falling hook 14, and the anti-falling hook 14 is positioned on the moving path of the anti-falling block 43 to block the anti-falling block 43. During assembly, the key 4 is inserted, so that the anti-falling hook 14 is pressed and deformed, and after the anti-falling block 43 passes through the anti-falling hook 14, the anti-falling hook 14 is restored to deformation.

The assembly method is as follows:

firstly, the elastic sheet 3 is pressed by about 1mm and pushed into the conductor 2, so that the clamping hook 35 hooks the connecting plate 22, and then the elastic sheet 3 is loosened, so that the corner-utilizing end 331 abuts against the protrusion 232;

secondly, pushing the assembled elastic sheet 3 and the electric conductor 2 into the shell 1 together, so that the positioning block 26 is inserted into the positioning hole 18;

third, the key 4 and the cap 6 are inserted into the housing 1.

The working principle is as follows:

when the wire is required to be installed, the press key 4 is pressed, the pressure receiving part 34 receives pressure, the elastic sheet 3 deforms, a gap for the insertion of the wire is formed between the clamping part 33 and the wiring board 23, the press key 4 is loosened after the wire is inserted, the elastic sheet 3 recovers deformation, and the clamping part 33 and the wiring board 23 clamp the wire, so that tight connection and fixation are realized.

When the wire is required to be disassembled, the button 4 is pressed down, the pressure receiving part 34 receives pressure, the elastic sheet 3 deforms, the clamping part 33 loosens the wire, and then the button 4 is loosened after the wire is pulled out.

Embodiment two:

the difference from the first embodiment is that the device further comprises a fastening device 5 for limiting the state of the key 4 which is not pressed and after being pressed and fastening the lead.

Referring to fig. 9 and 10, the fastening device 5 is installed between the key 4 and the housing 1, the fastening device 5 includes a movable frame 51 fixedly connected to the pressing plate 42, and the housing 1 is provided with a movable hole 15 through which the movable frame 51 slides, and the movable hole 15 communicates with the insertion hole 12. The movable frame 51 includes a top strip 511 fixedly connected with the pressing plate 42, side strips 512 fixedly connected to two ends of the top strip 511, and a fastening strip 513 fixedly connected between one ends of the two side strips 512 far away from the top strip 511, where the top strip 511, the two side strips 512 and the fastening strip 513 enclose a square frame structure. One side of the fastening strip 513 close to the top strip 511 is fixedly connected with an anti-slip pad 52, the anti-slip pad 52 is provided with an arc-shaped groove matched with a wire, and the anti-slip pad 52 is made of insulating rubber. After the key 4 is pressed down, the movable frame 51 moves downwards together, the key 4 is loosened after the lead is inserted, and the anti-slip pad 52 abuts against the lead under the action of the elastic sheet 3 to play a role in fastening.

Referring to fig. 9 and 10, a button 53 is slidably connected to the middle of the top strip 511, a connecting strip 54 is fixedly connected to one side of the button 53 close to the fastening strip 513, two ends of the connecting strip 54 extend into the two side strips 512 respectively and are fixedly connected with a pressing strip 55, and a movable cavity 514 for sliding the button 53, the connecting strip 54 and the pressing strip 55 is arranged on the movable frame 51.

The side bar 512 is provided with a limiting cavity 515 communicated with the movable cavity 514, and one side of the limiting cavity 515 is provided with an opening. The limiting cavity 515 is internally provided with a limiting strip 56, the limiting strip 56 can slide in the limiting cavity 515, and the sliding direction is perpendicular to the sliding direction of the pressing strip 55. A spring 57 is fixedly connected between the limit bar 56 and the inner bottom wall of the limit cavity 515, and the limit bar 56 is provided with a yielding groove for the spring 57 to clamp in. One side of the limit strip 56, which is close to the press strip 55, is provided with an extrusion inclined surface 561 matched with the press strip 55, one end of the press strip 55, which is close to the limit strip 56, is in a right-angle triangle shape so as to extrude the extrusion inclined surface 561, and the extrusion inclined surface 561 is opened towards the limit cavity 515. When the button 53 is not pressed, one end of the limit bar 56 extends out of the limit cavity 515 under the action force of the spring 57, and after the pressing bar 55 applies the action force to the pressing inclined plane 561, the limit bar 56 can be completely retracted into the limit cavity 515, so that the movement of the movable frame 51 is not affected.

Referring to fig. 9 and 10, the inner wall of the movable hole 15 is provided with a first limiting hole 16 and a second limiting hole 17, when the wire is not inserted and the key 4 is not pressed, the limiting bar 56 can be inserted into the first limiting hole 16 to play a role in preventing false touch, and when the quick connecting terminal is assembled, the key 4 is not easily pressed before the wire is not inserted. The limiting strip 56 can be inserted into the second limiting hole 17 when the pressing plate 42 is attached to the boss 13, and the pressed key 4 is limited, so that the key 4 is not required to be pressed all the time in the wire inserting process, and the assembly is labor-saving.

The working principle is as follows:

when a wire is required to be installed, a finger pad presses the push button 53 at the position of the pressing plate 42, the pressing bar 55 presses the limiting bar 56, the end part of the limiting bar 56 is retracted into the limiting cavity 515 from the first limiting hole 16, the key 4 is continuously pressed until the end part of the limiting bar 56 is opposite to the second limiting hole 17, the finger pad is loosened but the finger pad is not loosened, the limiting bar 56 is clamped into the second limiting hole 17, and the key 4 is fixed.

After the wire is inserted, the finger tip is pressed on the pressing plate 42, the finger belly presses the button 53, then the button is lifted slowly, the elastic sheet 3 is reset, and the anti-slip pad 52 abuts against the wire.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a quick binding post structure of push type, includes casing (1), electric conductor (2) and elastic piece (3), casing (1) is provided with cavity (11) that supply electric conductor (2) and elastic piece (3) to place, supplies wire male jack (12), jack (12) communicate its characterized in that with cavity (11): the elastic piece (3) comprises a contact part (31), a connecting part (32), a clamping part (33) and a pressure receiving part (34) which are sequentially connected, the conductor (2) comprises a bottom plate (21), a connecting plate (22) and a wiring board (23) which are sequentially connected, the contact part (31) is attached to the bottom plate (21), a wire is inserted between the wiring board (23) and the clamping part (33), and the wiring board (23) is provided with a through hole (231) for the pressure receiving part (34) to pass through;

the shell (1) is connected with a key (4) in a sliding mode, and the key (4) faces the pressed part (34).

2. The push-on quick connector structure of claim 1, wherein: the button (4) include slider (41), connect in the push down board (42) of slider (41) one end and connect in the anticreep piece (43) of slider (41) other end side, casing (1) are provided with and supply anticreep piece (43) and slider (41) to stretch into slide hole (19) of cavity (11), casing (1) outer wall is connected with boss (13) and anticreep hook (14) in slide hole (19) department, slider (41) are located between boss (13) and anticreep hook (14), anticreep hook (14) are used for blockking anticreep piece (43).

3. The push-on quick connector structure of claim 2, wherein: the utility model discloses a portable electronic device, including button (4) department, fastener (5) are installed to button (4), fastener (5) are including movable frame (51) be connected with pressing board (42), movable frame (51) inside wall is connected with a plurality of slipmats (52) that are used for supporting tight wire, casing (1) are provided with movable hole (15) that supply movable frame (51) to slide, movable hole (15) and jack (12) intercommunication.

4. A push-on quick connector structure according to claim 3, wherein: the movable frame (51) comprises a top strip (511) connected with the pressing plate (42), side strips (512) connected to two ends of the top strip (511) and a fastening strip (513) connected between one ends of the two side strips (512) far away from the top strip (511), and the anti-slip pad (52) is connected with the fastening strip (513);

the middle part sliding connection of top strip (511) has button (53), button (53) are connected with connecting strip (54), connecting strip (54) both ends extend respectively to in two lateral strips (512) and are connected with layering (55), movable frame (51) are provided with movable chamber (514) that supply button (53), connecting strip (54) and layering (55) to slide, lateral strips (512) are provided with spacing chamber (515) with movable chamber (514) intercommunication, be provided with spacing strip (56) in spacing chamber (515), be provided with spring (57) between spacing strip (56) and spacing chamber (515) inner wall, one side that spacing strip (56) are close to layering (55) is provided with extrusion inclined plane (561) with layering (55) complex, layering (55) are exerted effort back to extrusion inclined plane (561) spacing strip (56) retract spacing chamber (515);

the inner wall of the movable hole (15) is provided with a first limit hole (16) and a second limit hole (17), a limit bar (56) can be inserted into the first limit hole (16) when the lead is not inserted and the key (4) is not pressed down, and the limit bar (56) can be inserted into the second limit hole (17) when the pressing plate (42) is attached to the boss (13).

5. The push-on quick connector structure of claim 1, wherein: the end of the pressed part (34) far away from the connecting part (32) is bent along the direction towards the wiring board (23) to form an advantageous angle end (331), and the advantageous angle end (331) is used for abutting against a wire.

6. The push-on quick connector structure of claim 5, wherein: a protrusion (232) is arranged on one side, facing the elastic piece (3), of the wiring board (23), and the corner-shaped end (331) abuts against the protrusion (232) when the lead is not inserted.

7. The push-on quick connector structure of claim 1, wherein: one side of the connecting plate (22) far away from the wiring board (23) is connected with a limiting plate (24) for blocking wires.

8. The push-on quick connector structure of claim 1, wherein: the contact part (31) is connected with two symmetrically arranged hooks (35), and the hooks (35) are in clamping fit with the connecting plate (22).

9. The push-on quick connector structure of claim 1, wherein: the bottom plate (21) is connected with a plug-in part (25) for inserting accessories, the bottom plate (21) is connected with a positioning block (26), and the shell (1) is provided with a positioning hole (18) for clamping the positioning block (26).

10. The push-on quick connector structure of claim 1, wherein: one side of the cavity (11) is provided with a mounting opening (111) for the electric conductor (2) and the elastic piece (3) to enter and exit, and the shell (1) is clamped with an end cover (6) inserted into the mounting opening (111).