CN214204161U

CN214204161U - Elastic terminal connecting piece

Info

Publication number: CN214204161U
Application number: CN202120114129.0U
Authority: CN
Inventors: 李世田
Original assignee: Shanghai Shurong Electronic Co ltd
Current assignee: Shanghai Shurong Electronic Co ltd
Priority date: 2021-01-16
Filing date: 2021-01-16
Publication date: 2021-09-14
Anticipated expiration: 2031-01-16

Abstract

The utility model discloses an elastic terminal connecting piece, which comprises a wiring plug and a wiring terminal, wherein the wiring plug is inserted and fixed in the wiring terminal, two positioning convex blocks are symmetrically arranged on the outer walls of two sides of the lower end of the wiring plug, the interior of the wiring terminal is hollow to form an elastic cavity, an elastic clamping component is arranged in the elastic cavity, after the wiring plug is inserted into the wiring terminal, the wiring plug is upwards jacked up through the elastic clamping component, the wiring plug is clamped and fixed on the wiring terminal under the blocking of the positioning convex blocks, and simultaneously, a fixed disc can be jacked up under the thrust action of a spring, so that a conductive contact is accurately inserted into a butt joint hole at the bottom of the wiring plug, the circuit circulation of a wiring harness connected with the wiring terminal and the wiring plug is realized, and the wiring plug is clamped and fixed in the elastic cavity through the, keep good electrical contact and prevent the circuit from burning out.

Description

Elastic terminal connecting piece

Technical Field

The utility model belongs to the technical field of the terminal is connected relatively, concretely relates to elastic terminal connecting piece.

Background

The terminal is a kind of accessory product for realizing electrical connection, and is industrially classified into a connector category. With higher and higher industrial automation and stricter and more precise industrial control requirements, the usage amount of the terminals gradually increases. With the development of the electronic industry, the terminal has more and more application range and more types. The most widely used terminals include hardware terminals, nut terminals, spring terminals, etc., in addition to PCB terminals.

The prior connecting terminal technology has the following problems: traditional connecting terminal is extremely easy not hard up at the connection in-process, leads to the circuit contact failure to easily take place the accident that the circuit burns out, and the security is relatively poor, easily takes place the electric shock accident at the grafting in-process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic terminal connecting piece to solve the easy not hard up problem of electrocuting of getting together of the aforesaid background art in proposing.

In order to achieve the above object, the utility model provides a following technical scheme: an elastic terminal connecting piece comprises a connecting plug and a connecting terminal, wherein the connecting plug is fixedly inserted into the connecting terminal, two positioning lugs are symmetrically arranged on the outer walls of two sides of the lower end of the connecting plug, an elastic cavity is formed in the connecting terminal in a hollow mode, and an elastic clamping assembly is arranged in the elastic cavity;

the elastic clamping assembly comprises a spring and a fixed disc, one end of the spring abuts against the lower surface of the fixed disc, the other end of the spring abuts against the inner wall of the lower end of the elastic cavity, the upper surface of the fixed disc is symmetrically connected with two support frame rods, and the upper ends of the two support frame rods are fixedly connected with the movable push ring;

binding post's lower extreme fixedly connected with pencil, the upper end of pencil stretches into in the elasticity cavity, the pencil includes outer insulating cortex and inlayer sinle silk, the upper end of sinle silk passes fixed disk and conductive contact fixed connection.

Preferably, the conductive contact is fixed at the center of the fixed disc through a welding block in a welding mode, and the bottom of the wiring plug is provided with a butt joint hole matched with the conductive contact.

Preferably, the upper end face of the wiring terminal is provided with a socket communicated with the elastic cavity, and the inner walls of two sides of the socket are symmetrically provided with guide grooves matched with the positioning lugs.

Preferably, the diameter of the inner ring of the movable push ring is larger than the diameter of the outer ring of the wiring plug.

Preferably, the wire core in the elastic cavity is S-shaped bent and comprises an outer insulating soft skin layer and an inner copper wire.

Preferably, an insulating shell sleeve is fixedly sleeved at the joint of the wiring terminal and the wiring harness.

Compared with the prior art, the utility model provides an elastic terminal connecting piece possesses following beneficial effect:

1. the utility model discloses a set up elasticity chucking subassembly in the elasticity cavity, after the wiring plug inserts in binding post, jack-up the wiring plug upwards through elasticity chucking subassembly, because under the blocking of locating convex block, make the wiring plug chucking fix on binding post, and the fixed disk receives the thrust effect of spring and can jack-up upwards simultaneously, make conductive contact accurately insert to the butt joint hole of wiring plug bottom, realize that the circuit of pencil and wiring plug that binding post connects circulates, bulldoze through the activity push ring simultaneously and make the wiring plug card fix in the elasticity cavity, keep good electrical contact, prevent that the circuit from burning out;

2. the utility model discloses an offer the socket that is linked together with the elastic cavity on the up end of the binding post, and the symmetrical guide way that is adapted with the locating lug that is provided with on the both sides inner wall of socket, when needing to disconnect the binding post and binding post, only need through rotating the binding post, make locating lug align with guide way once more, and make the binding post of automatic pop-up of binding post under the promotion of the spring, the disconnection is convenient, quick;

3. the utility model reserves the wire core length which is enough for the conductive contact to extend in the elastic cavity, thereby ensuring good flexibility while ensuring electrification, and being capable of correspondingly changing the shape under the action of the spring according to the plugging condition of the wiring plug;

4. the utility model discloses a fixed cover in the department of meeting of binding post and pencil has connect the insulating shell cover, prevents to take place to electrocute danger at the in-process of pegging graft and extracting, this novel adoption cut straightly the formula and connect, and is little to the loss of terminal, and the security is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an elastic terminal connecting member according to the present invention;

fig. 2 is a schematic view of the disconnecting structure of the connection plug and the connection terminal provided by the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

in the figure: 1. a wiring plug; 2. a wiring terminal; 3. a movable push ring; 4. a support frame rod; 5. a welding block; 6. a wire harness; 7. an insulating shell; 8. a spring; 9. a wire core; 10. fixing the disc; 11. an elastic cavity; 12. a conductive contact; 13. positioning the bump; 14. a socket; 15. a guide groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an elastic terminal connecting piece comprises a wiring plug 1 and a wiring terminal 2, wherein two positioning lugs 13 are symmetrically arranged on the outer walls of two sides of the lower end of the wiring plug 1, the wiring terminal 2 is hollow to form an elastic cavity 11, an elastic clamping assembly is arranged in the elastic cavity 11, after the wiring plug 1 is inserted into the wiring terminal 2, the wiring plug 1 is jacked upwards through the elastic clamping assembly, and the wiring plug 1 is clamped and fixed on the wiring terminal 2 under the blocking of the positioning lugs 13;

the elastic clamping assembly comprises a spring 8 and a fixed disc 10, one end of the spring 8 abuts against the lower surface of the fixed disc 10, the other end of the spring 8 abuts against the inner wall of the lower end of the elastic cavity 11, the upper surface of the fixed disc 10 is symmetrically connected with two supporting frame rods 4, the upper ends of the two supporting frame rods 4 are fixedly connected with the movable push ring 3, and when the wiring plug 1 is inserted into the elastic cavity 11, the spring 8 on the elastic clamping assembly is squeezed to have certain elastic potential energy, so that the wiring plug 1 is pushed upwards;

in addition, the lower end of the wiring terminal 2 is fixedly connected with a wiring harness 6, the upper end of the wiring harness 6 extends into the elastic cavity 11, the wiring harness 6 comprises an outer insulating skin layer and an inner layer wire core 9, the upper end of the wire core 9 penetrates through the fixed disc 10 to be fixedly connected with the conductive contact 12, and the wiring harness 6 connected with the wiring terminal 2 and the wiring plug 1 are in circuit circulation through the upper and lower butt joint of the conductive contact 12 and the wiring plug 1.

In order to reduce the butt joint difficulty, the conductive contact 12 is fixed at the central position of the fixed disc 10 through the welding block 5 in a welding mode, the bottom of the wiring plug 1 is provided with a butt joint hole matched with the conductive contact 12, and after the wiring plug 1 is inserted into the wiring terminal 2, the fixed disc 10 can be jacked upwards under the thrust action of the spring 8, so that the conductive contact 12 is accurately inserted into the butt joint hole in the bottom of the wiring plug 1.

In order to realize the inserting, fixing and detaching of the wiring plug 1, the upper end face of the wiring terminal 2 is provided with a socket 14 communicated with the elastic cavity 11, guide grooves 15 matched with the positioning lugs 13 are symmetrically arranged on the inner walls of two sides of the socket 14, when the wiring plug 1 is butted with the wiring terminal 2, the positioning lugs 13 on the outer wall of the wiring plug 1 can be inserted downwards in the guide grooves 15 opposite to the guide grooves 15, after the wiring plug 1 enters the elastic cavity 11, the positioning lugs 13 can be staggered with the guide grooves 15 by rotating the wiring plug 1, so that the wiring plug 1 is fixedly butted with the wiring terminal 2, and when the wiring plug 1 is detached, the positioning lugs 13 are aligned with the guide grooves 15 again only by rotating the wiring plug 1.

In order to make the wiring plug 1 clamped in the elastic cavity 11 by the elasticity, the inner ring diameter of the movable push ring 3 is larger than the outer ring diameter of the wiring plug 1, so that the wiring plug 1 can smoothly pass through the movable push ring 3, and the positioning lug 13 on the outer wall of the wiring plug 1 presses the movable push ring 3, thereby extruding the spring 8.

In order to enable the conductive contact 12 to have elastic movement capacity, the wire core 9 in the elastic cavity 11 is bent in an S shape, so that the length of the wire core 9 which is enough for the conductive contact 12 to stretch is reserved, the wire core 9 comprises an outer insulating soft skin layer and an inner copper wire, good flexibility is achieved while power-on is guaranteed, and the shape can be correspondingly changed under the action of the spring 8 according to the plugging condition of the wiring plug 1.

In order to improve the safety, an insulating shell 7 is fixedly sleeved at the joint of the wiring terminal 2 and the wiring harness 6, so that electric shock danger is prevented from occurring in the process of plugging and pulling out.

The utility model discloses a theory of operation and use flow: when the wiring plug 1 is butted with the wiring terminal 2, the positioning lug 13 on the outer wall of the wiring plug 1 needs to be inserted downwards opposite to the guide groove 15, after the wiring plug 1 enters the elastic cavity 11, the positioning lug 13 and the guide groove 15 can be staggered by rotating the wiring plug 1, because the spring 8 on the elastic clamping component is extruded to have certain elastic potential energy in the process of inserting the wiring plug 1 into the elastic cavity 11, the wiring plug 1 is pushed upwards, at the moment, the fixed disc 10 can be jacked upwards under the thrust action of the spring 8, so that the conductive contact 12 is accurately inserted into the butting hole at the bottom of the wiring plug 1, the circuit circulation of the wiring harness 6 connected with the wiring terminal 2 and the wiring plug 1 is realized, meanwhile, the wiring plug 1 is clamped in the elastic cavity 11 through the pushing of the movable push ring 3, when the wiring plug 1 and the wiring terminal 2 need to be disassembled, the connection and disconnection action can be completed quickly by rotating the connection plug 1 to align the positioning lug 13 with the guide slot 15 again and enabling the connection plug 1 to automatically pop out of the connection terminal 2 under the pushing of the spring 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elastic terminal connecting piece, includes wiring plug (1) and binding post (2), its characterized in that: the wiring plug (1) is inserted and fixed in the wiring terminal (2), two positioning lugs (13) are symmetrically arranged on the outer walls of two sides of the lower end of the wiring plug (1), an elastic cavity (11) is formed in the wiring terminal (2) in a hollow mode, and an elastic clamping assembly is arranged in the elastic cavity (11);

the elastic clamping assembly comprises a spring (8) and a fixed disc (10), one end of the spring (8) abuts against the lower surface of the fixed disc (10), the other end of the spring (8) abuts against the inner wall of the lower end of the elastic cavity (11), the upper surface of the fixed disc (10) is symmetrically connected with two support frame rods (4), and the upper ends of the two support frame rods (4) are fixedly connected with the movable push ring (3);

the lower extreme fixedly connected with pencil (6) of binding post (2), the upper end of pencil (6) stretches into in elasticity cavity (11), pencil (6) are including outer insulating cortex and inlayer sinle silk (9), fixed disk (10) and conductive contact (12) fixed connection are passed to the upper end of sinle silk (9).

2. The elastic terminal connection member according to claim 1, wherein: the conductive contact (12) is fixed at the center of the fixed disc (10) through a welding block (5) in a welding mode, and a butt joint hole matched with the conductive contact (12) is formed in the bottom of the wiring plug (1).

3. The elastic terminal connection member according to claim 1, wherein: the upper end face of the wiring terminal (2) is provided with a socket (14) communicated with the elastic cavity (11), and guide grooves (15) matched with the positioning bumps (13) are symmetrically formed in the inner walls of the two sides of the socket (14).

4. The elastic terminal connection member according to claim 1, wherein: the diameter of the inner ring of the movable push ring (3) is larger than that of the outer ring of the wiring plug (1).

5. The elastic terminal connection member according to claim 1, wherein: the wire core (9) in the elastic cavity (11) is S-shaped bent, and the wire core (9) comprises an outer insulating soft skin layer and an inner copper wire.

6. The elastic terminal connection member according to claim 1, wherein: and an insulating shell sleeve (7) is fixedly sleeved at the joint of the wiring terminal (2) and the wiring harness (6).