CN219246951U - Multilayer front direct-insertion type wiring terminal - Google Patents

Abstract

The utility model discloses a multilayer front direct-insertion type wiring terminal which comprises a main body, wherein a plurality of conductive pieces are arranged in the main body, a pair of wiring holes are formed in the top of the main body above each conductive piece, springs for fixing wires on the ends of the conductive pieces are arranged in the wiring holes, a bottom clamping groove for clamping an external guide rail is formed in the main body, a grounding groove is formed in the main body and is positioned at one end of the bottom clamping groove, a grounding piece is arranged in the grounding groove, the upper end of the grounding piece is fixedly connected with the conductive piece at the bottommost layer in a clamping manner, and the lower end of the grounding piece is contacted with the external guide rail clamped in the bottom clamping groove, so that grounding is realized. The utility model can freely select whether the grounding wire is grounded, the grounding piece has the advantages of small volume, light weight and low cost, and the wiring terminal can be made thinner.

Description

Multilayer front direct-insertion type wiring terminal

Technical Field

The utility model relates to a wiring terminal, in particular to a multilayer front direct-insertion wiring terminal.

Background

The connection terminal is an accessory product for realizing electrical connection, and is industrially divided into the category of connectors; as the industrial automation degree is higher and the industrial control requirement is stricter and accurate, the consumption of the wiring terminal is gradually increased; with the development of the electronic industry, the use range of the wiring terminal is more and more, and the variety is also more and more. In addition to PCB board terminals, there are hardware terminals, nut terminals, spring terminals, etc. that are most widely used.

Disclosed in chinese patent document publication No. CN213845603U is a multilayer in-line connection terminal comprising: the main body is clamped on the guide rail through the bottom clamping groove, a limiting part is arranged on the surface of the main body at one side of the bottom clamping groove, a limiting point and a fixing point are arranged on the surface of the main body, and a test hole, a key hole and a connecting piece placement part are sequentially formed in the middle of the top of the main body from side to side; the grounding copper piece is arranged in the hollow groove, the hollow groove is positioned at the inner side of the bottom clamping groove, one side of the grounding copper piece is provided with a terminal, and the terminal can be inserted into a grounding hole preset in the middle of the bottommost group of conductive pieces. The utility model has the technical key points that the direct wire plugging can be realized under the condition of no tool, and the utility model is simple and convenient; whether the ground wire is grounded or not can be freely selected; the up-and-down power-on can be realized, thereby saving space. The prior art has the following drawbacks: 1. the grounding copper piece is large in size, heavy in weight and high in cost, 2, when the wiring terminal and the guide rail are disassembled and assembled, the wiring copper piece is large in acting force and easy to deform to loosen, poor contact with the conductive piece is caused, potential safety hazards are generated, 3, the grounding copper piece is installed, a hollow groove is formed in the bottom clamping groove, the wiring terminal main body is required to have enough thickness, and the hollow groove is difficult to manufacture when the thickness is too small, so that the grounding copper piece is not suitable for a light and thin wiring terminal.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the multi-layer front direct-insertion type wiring terminal, wherein the grounding piece is small in size, is in close contact with the conductive piece, is good in electrifying, and can be made to be lighter and thinner.

The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a multilayer openly cut straightly binding post, includes the main part, the inside a plurality of conductive piece that is equipped with of main part, every the top of main part is offered in the top of conductive piece paired wiring hole, be equipped with in the wiring hole be used for fixing the wire to the spring on the conductive piece tip, be provided with the bottom draw-in groove that is used for the joint outside guide rail in the main part, be equipped with the ground connection groove in the main part, the ground connection groove is located the one end of bottom draw-in groove, install the grounding piece in the ground connection groove, the upper end of grounding piece with conductive piece joint fixed connection of bottommost, the lower extreme of grounding piece contacts with the outside guide rail of card access bottom draw-in groove to realize the ground connection.

In order to further improve, the lower end of the grounding piece is provided with an elastic electric contact terminal, the elastic electric contact terminal comprises two elastic pieces which are arranged up and down, and the inner sides of the two elastic pieces are provided with contact parts which are bent and raised.

Further perfecting, the elastic electric contact terminal further comprises a C-shaped snap spring retainer ring, and the two elastic sheets are clamped between two ends of the snap spring retainer ring.

Further perfecting, the outer side of the elastic sheet is provided with a convex limiting point; the grounding piece is provided with a right-angle limiting baffle, and the clamp spring retainer ring is fixedly clamped between the right-angle limiting baffle and the elastic sheet.

Further perfecting, the upper end of grounding piece is equipped with joint portion, is equipped with horizontal recess on the joint portion, be equipped with vertical recess on the electrically conductive piece, the grounding piece with electrically conductive piece passes through horizontal recess with vertical recess carries out cross mortise-tenon joint.

Further perfecting, the thickness of the clamping part is larger than that of the grounding part, and the thickness ratio of the clamping part to the grounding part is 2/1.

Further perfecting, the middle part of the grounding piece is provided with a positioning groove, and the inner wall of the grounding groove is provided with positioning convex points matched with the positioning groove.

Further perfecting, the middle part of the conductive piece is provided with a reinforcing bar.

Further perfection, the bottom of main part is equipped with spacing portion and sled angle in being located bottom draw-in groove other end position department, the top of main part still is equipped with connecting piece and places hole, key hole and test hole, the connecting piece is placed and is provided with the cross-over connection connecting hole on the electrically conductive piece of hole below correspondingly, is equipped with the connecting piece recess on the inner wall in connecting piece place hole, install the button in the key hole, button bottom offsets with the spring, the spring assemble in electrically conductive piece both ends, and the one end of spring offsets with the fixed part that electrically conductive piece surface set up.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the grounding groove and the grounding piece are arranged at one end of the bottom clamping groove of the main body, so that whether the grounding wire is grounded or not can be freely selected, and the grounding piece has the advantages of small volume, small weight and low cost, and the wiring terminal can be made to be lighter and thinner; when the wiring terminal and the guide rail are disassembled and assembled, the wiring copper piece is small in acting force, is not easy to deform and loose, is well contacted with the conductive piece, and is good in grounding performance, and the lower end of the grounding piece is elastically contacted with the guide rail;

2. the grounding piece of the terminal in the prior art is easy to deform, the grounding piece is integrally formed and spliced, the upper end of the grounding piece is thickened through a process, and the grounding piece is in close contact with the conductive piece and is good in electrifying;

3. the conductive piece in the prior art is easy to bend and deform, and the reinforcing cross bar design is added to the conductive piece, so that the conductive piece is firmer and not easy to deform;

4. according to the utility model, direct wire insertion can be realized under the condition of no tool, the wire inserting device is simple and convenient, the up and down power-on can be realized after the connecting piece is installed according to the principle of the connecting piece in the utility model, the space is saved, the conductive piece of the product can reach a multi-layer structure (three layers, four layers or even more), and the use requirement is met.

Drawings

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a top view of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the assembled state of the conductive member, the grounding member, the spring and the key according to the present utility model;

FIG. 4 is a schematic view of a grounding member according to the present utility model;

FIG. 5 is a flow chart of the assembly of the grounding member according to the present utility model;

reference numerals illustrate: 1. the main part, 11, the wiring hole, 12, bottom draw-in groove, 13, the grounding groove, 14, the location bump, 15, spacing portion, 16, sled angle, 17, connecting piece place the hole, 171, the connecting piece recess, 18, the key hole, 19, the test hole, 2, electrically conductive piece, 21, vertical recess, 22, consolidate the horizontal bar, 23, fixed part, 3, the spring, 4, the grounding piece, 41, the shell fragment, 411, contact portion, 412, protruding spacing point, 42, jump ring retaining ring, 421, right angle shape limit baffle, 43, joint portion, 431, horizontal recess, 44, constant head tank, 5, button, 6, connecting piece.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

referring to fig. 1: the multilayer front direct-insertion type wiring terminal comprises a main body 1, a plurality of conductive pieces 2 are arranged in the main body 1, a pair of wiring holes 11 are formed in the top of each conductive piece 2 at the top of the main body 1, and direct wire insertion and contact with the conductive pieces 2 under the condition of no tool can be realized. The wiring hole 11 is internally provided with a spring 3 for fixing a wire on the end part of the conductive piece 2, the main body 1 is provided with a bottom clamping groove 12 for clamping an external guide rail, the shape of the bottom clamping groove 12 is consistent with that of the guide rail, and the bottom clamping groove is suitable for guide rails with the specification of 35mm and the like, so that the guide rail is firmly clamped on the guide rail and is not easy to fall off. The main body 1 is provided with a grounding groove 13, the grounding groove 13 is positioned at one end of the bottom clamping groove 12, the grounding piece 4 is installed in the grounding groove 13, the grounding piece 4 is made of a material with good conductivity, such as a main metal copper material, and a user can freely select whether the grounding piece 4 is installed for grounding wire or not. The upper end of the grounding piece 4 is fixedly connected with the bottommost conductive piece 2 in a clamping way, and the lower end of the grounding piece 4 is contacted with an external guide rail of the clamping bottom clamping groove 12, so that the grounding is realized. The bottom of main part 1 is equipped with spacing portion 15 and sled angle 16 in the department that is located bottom draw-in groove 12 other end position, and spacing portion 15 makes main part 1 can not excessive outwards expand when the card guide rail and leads to deformation not hard up, and it can be easily taken off on the guide rail with the instrument in sled angle 16 department effect.

As shown in fig. 2-3, the top of the main body 1 is further provided with a connecting piece placing hole 17, a key hole 18 and a test hole 19, and bridging connecting holes are correspondingly formed in the conductive piece 2 below the connecting piece placing hole 17, the connecting piece can be placed in the connecting piece placing hole 17, and upper and lower layers of current are communicated for conducting. The inner wall of the connecting piece placing hole 17 is provided with a connecting piece groove 171, and the connecting piece groove 171 is partially matched with the connecting piece 6 in shape, so that the labor is saved when the connecting piece is placed, and the upper layer and the lower layer can be electrified and locally grounded according to the self requirement. The test holes 19 are used to determine if the corresponding conductive layer is normally energized through the location. The key 5 is installed in the key hole 18, the bottom end of the key 5 abuts against the spring 3, the spring 3 is assembled at two ends of the conductive piece 2, and one end of the spring 3 abuts against the fixing portion 23 arranged on the surface of the conductive piece 2. When the key 5 is pressed, the spring 3 is partially deformed, so that the spring is deflected downwards, and the wire is pulled out more easily. The side wall of the groove for placing the spring 3 in the main body 1 is provided with a convex fixing point design, so that the spring is firmly fixed in the groove and is not easy to fall off.

As shown in fig. 4, the lower end of the grounding member 4 is provided with an elastic electrical contact terminal, the elastic electrical contact terminal includes two elastic pieces 41 disposed up and down, and the inner sides of the two elastic pieces 41 are provided with a contact portion 411 with a curved protrusion. When the bottom clamping groove 12 is clamped with the external guide rail, the right side of the guide rail is squeezed between the two elastic sheets 41 arranged up and down, and the upper surface and the lower surface of the guide rail are respectively in elastic contact with the two contact parts 411. The wiring piece receives little effort, is difficult for deformation to produce not hard up, and with electrically conductive piece contact well, the security performance is high.

The elastic electric contact terminal further comprises a C-shaped clamp spring retainer ring 42, the clamp spring retainer ring 42 is made of stainless steel, the two elastic sheets 41 are clamped between two ends of the clamp spring retainer ring 42, the clamp spring retainer ring 42 can strengthen the elasticity of the two elastic sheets 41, and poor contact caused by elastic drop of the elastic sheets 41 after long-time use is avoided.

The outer side of the elastic sheet 41 is provided with a convex limiting point 412; interact with the snap spring retainer ring 42 to firmly clamp the snap spring retainer ring 42 and prevent the snap spring retainer ring 42 from falling outwards. The grounding piece 4 is provided with a right-angle limiting baffle 421, and the snap spring retainer ring 42 is clamped and fixed between the right-angle limiting baffle 421 and the elastic sheet 41. When the snap spring retainer ring 42 receives the backward acting force of the conductive piece clamping guide rail, the conductive piece cannot fall off backward, and the conductive piece is prevented from backing.

The upper end of grounding piece 4 is equipped with joint portion 43, is equipped with horizontal recess 431 on the joint portion 43, be equipped with vertical recess 21 on the electrically conductive piece 2, grounding piece 4 with electrically conductive piece 2 is through horizontal recess 431 with vertical recess 21 carries out cross mortise-tenon joint, and both combine each other, makes the connection inseparabler, is difficult for droing, can freely select whether wiring.

The thickness of the clamping part 43 is larger than that of the grounding member 4, the ratio of the thickness to the thickness of the grounding member 4 is 2/1, and the clamping part 43 of the grounding member 4 is thickened, so that the grounding member is firmer and is not easy to deform.

The middle part of the grounding member 4 is provided with a positioning groove 44, and the inner wall of the grounding groove 13 is provided with a positioning protruding point 14 (as shown in fig. 1) matched with the positioning groove 44. The grounding part 4 has high overall positioning precision, is not easy to loosen and has good reliability.

The middle part of electrically conductive piece 2 is equipped with consolidates the whippen 22 (as shown in figure 3), and prior art electrically conductive piece is yielding, through having added the design of consolidate the whippen, makes electrically conductive piece 2 more firm, non-yielding.

As shown in fig. 5, in the assembling method of the grounding member 4, in the step (1), the grounding member 4 is composed of a grounding member 4 main body and a snap spring retainer ring 42. And (2) clamping the ring of the clamp spring retainer ring 42 into the right-angle limiting baffle 421 according to the arrow direction. And (3) pressing the convex limiting points 412 together according to the arrow direction, and clamping the opening of the snap spring retainer ring 42 into the convex limiting points 412. And (4) when the snap spring retainer ring 42 is completely clamped into the grounding piece 4, the convex limiting point 412 is released, and the grounding piece 4 is assembled. The method for assembling the grounding member 4 and the main body 1 comprises the following steps: the bottommost conductive element 2 is detached, and the grounding element 4 is placed in the grounding groove 13, and then the bottommost conductive element 2 is placed in the main body 1.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (10)

1. The utility model provides a positive formula binding post that cut straightly of multilayer, includes main part (1), the inside a plurality of conductive piece (2) that are equipped with of main part (1), the top of main part (1) is every paired wiring hole (11) have been seted up to the top of conductive piece (2), be equipped with in wiring hole (11) and be used for fixing the wire to spring (3) on conductive piece (2) tip, be provided with bottom draw-in groove (12) that are used for joint outside guide rail on main part (1), its characterized in that: the novel grounding device is characterized in that a grounding groove (13) is formed in the main body (1), the grounding groove (13) is formed in one end of the bottom clamping groove (12), a grounding piece (4) is arranged in the grounding groove (13), the upper end of the grounding piece (4) is fixedly connected with the bottommost conductive piece (2) in a clamping manner, and the lower end of the grounding piece (4) is contacted with an external guide rail of the clamping bottom clamping groove (12), so that grounding is achieved.

2. The multilayer front-face in-line terminal of claim 1, wherein: the lower extreme of grounding piece (4) is equipped with elasticity electric contact terminal, elasticity electric contact terminal includes two shell fragments (41) that set up from top to bottom, two the inboard of shell fragment (41) is equipped with crooked bellied contact portion (411).

3. The multilayer front-face in-line connection terminal of claim 2, wherein: the elastic electric contact terminal further comprises a C-shaped clamp spring retainer ring (42), and the two elastic sheets (41) are clamped between two ends of the clamp spring retainer ring (42).

4. A multilayer front face in-line terminal as defined in claim 3, wherein: the outer side of the elastic sheet (41) is provided with a convex limiting point (412); the grounding piece (4) is provided with a right-angle limiting baffle (421), and the clamp spring retainer ring (42) is clamped and fixed between the right-angle limiting baffle (421) and the elastic sheet (41).

5. The multilayer front-face in-line terminal of claim 1, wherein: the upper end of grounding piece (4) is equipped with joint portion (43), is equipped with horizontal recess (431) on joint portion (43), be equipped with vertical recess (21) on electrically conductive piece (2), grounding piece (4) with electrically conductive piece (2) are through horizontal recess (431) with vertical recess (21) carries out cross mortise-tenon joint.

6. The multilayer front face in-line terminal of claim 5, wherein: the thickness of the clamping part (43) is larger than that of the grounding piece (4).

7. The multilayer front face in-line terminal of claim 6, wherein: the ratio of the thicknesses of the clamping part (43) and the grounding piece (4) is 2/1.

8. The multilayer front-face in-line terminal of claim 1, wherein: the middle part of grounding piece (4) is equipped with constant head tank (44), be equipped with on the inner wall of grounding groove (13) with constant head tank (44) complex location bump (14).

9. The multilayer front-face in-line terminal of claim 1, wherein: the middle part of the conductive piece (2) is provided with a reinforcing bar (22).

10. A multilayer front in-line terminal according to any one of claims 1 to 9, characterized in that: the bottom of main part (1) is equipped with spacing portion (15) and sled angle (16) in being located bottom draw-in groove (12) other end position department, the top of main part (1) still is equipped with connecting piece and places hole (17), button hole (18) and test hole (19), the connecting piece is placed and is provided with the jumper connection hole on electrically conductive piece (2) of hole (17) below correspondingly, is equipped with connecting piece recess (171) on the inner wall of connecting piece place hole (17), install button (5) in button hole (18), button (5) bottom offsets with spring (3), spring (3) assemble in electrically conductive piece (2) both ends, and fixed part (23) that one end and electrically conductive piece (2) surface set up of spring (3) offset.

Images