CN216488618U - Direct-insertion wiring terminal and elastic sheet thereof - Google Patents

Abstract

The utility model discloses a formula binding post cut straightly, including shell main part, electrically conductive piece and shell fragment, be equipped with the mounting groove in the shell main part, be equipped with the wiring room on the mounting groove, be equipped with on the wiring room and supply wire male wiring hole, electrically conductive piece and shell fragment fixed mounting respectively in the mounting groove with on the wiring room, be equipped with on the electrically conductive piece extend in electrically conductive arm in the wiring room, the one end of shell fragment is equipped with electrically conductive arm contacts complex elasticity and presss from both sides line arm, the other end of shell fragment be equipped with the corresponding fretwork wiring groove in wiring hole, fretwork wiring inslot has passed electrically conductive arm and elasticity press from both sides line arm. The utility model discloses a can realize directly inserting the line under the toolless condition, be equipped with fretwork wiring groove on the shell fragment, can increase the area of contact of shell fragment and electric wire, form the restraint to the electric wire, be applicable to multiple line footpath to the wiring that makes the electric wire under the fixed of electrically conductive arm and elasticity clamp line arm is more firm, is difficult to break away from the wiring hole.

Description

Direct-insertion type wiring terminal and elastic sheet thereof

Technical Field

The utility model relates to an electrical connection accessory field especially relates to a formula binding post cut straightly and shell fragment thereof.

Background

The wiring terminal is an accessory product for realizing electrical connection, is industrially divided into the category of connectors, gradually increases the use amount of the wiring terminal along with the increasing industrial automation degree and the stricter and more accurate industrial control requirement, has more and more application ranges and more types along with the development of the electronic industry, and is widely used, namely, a hardware terminal, a nut terminal, a spring terminal and the like besides a PCB (printed Circuit Board) terminal; when the plug-in connection of two wires is carried out in the existing wiring terminal, the wires are mostly extruded through screws, so that the plug-in is pressed on a metal conductor in the wiring terminal, and the mounting and the dismounting are troublesome.

The Chinese patent with the application number of CN202121236746.4 discloses a front direct-insertion type wiring terminal, which comprises a shell main body and a conductive piece arranged in the shell main body, wherein elastic pieces are arranged at the positions of two ends of the conductive piece in the shell main body and are fixed through buckles on the inner wall of the shell main body; the shell comprises a shell body and is characterized in that a key hole and a wire insertion hole are formed in the top of the shell body, a key capable of moving up and down is installed in the key hole, the bottom of the key is in contact with an elastic sheet, a conductive piece clamping groove is formed in the inner wall of the shell body, a conductive piece is installed in the conductive piece clamping groove, a limiting hole is formed in the conductive piece, a protruding limiting point is arranged on the side wall of the conductive piece clamping groove, and the limiting point and the limiting hole are mutually clamped and matched. The utility model discloses a can realize directly inserting wire under the no instrument condition, set up the limiting point in the main part, the mutual joint cooperation in limiting point and the spacing hole on the electrically conductive piece makes electrically conductive piece use and main part keep in same horizontal plane, is difficult for falling out. The defects of the prior art are as follows: the contact area of the elastic sheet and the electric wire is small, the copper wire at the front end of the electric wire is easy to disperse in the front-back direction, and the electric wire is not suitable for various wire diameters, so that the electric wire is easier to separate from the plug wire hole.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a formula binding post cut straightly, be applicable to multiple line footpath, the convenience more firm of wiring.

The utility model provides a technical scheme that its technical problem adopted: the utility model provides a formula binding post cut straightly, includes shell main part, electrically conductive piece and shell fragment, be equipped with the mounting groove in the shell main part, be equipped with the wiring room on the mounting groove, be equipped with on the wiring room and supply wire male wiring hole, electrically conductive piece and shell fragment fixed mounting respectively in the mounting groove with on the wiring room, be equipped with on the electrically conductive piece extend in electrically conductive arm in the wiring room, the one end of shell fragment is equipped with electrically conductive arm contacts complex elasticity and presss from both sides line arm, the other end of shell fragment be equipped with the corresponding fretwork wiring groove in wiring hole, fretwork wiring inslot has passed electrically conductive arm and elasticity press from both sides line arm.

For further improvement, a bent baffle is arranged on the side part of the conductive arm, and the wire clamping end of the elastic wire clamping arm is positioned on the inner side of the bent baffle.

Further perfection, the arc-shaped wiring end is arranged on the conductive arm and fixedly arranged on the arc-shaped clamping groove on one side of the inner end of the wiring hole.

Further perfection, the upper end face of the conductive arm is provided with a barb.

Further perfect, the inboard of electrically conductive piece is equipped with the breach draw-in groove, and the protruding fixture block that corresponding setting was gone up on breach draw-in groove and the mounting groove inside wall carries out the joint cooperation.

Further perfect, be equipped with the connecting piece on the shell main part and place the hole, the connecting piece is placed and is symmetrically equipped with slope shape fixed block on the both sides inner wall around the hole, be equipped with on the electrically conductive piece and place the corresponding connecting piece spliced eye in hole with the connecting piece.

The shell is further improved, a key hole is formed in the shell main body, a key block is slidably mounted on the key hole, a cross-shaped groove is formed in the outer end of the key block, a side oblique cutting surface is formed in the inner end of the key block, a bending concave part is formed in the elastic wire clamping arm, and the bending concave part is in contact fit with the side oblique cutting surface; one side of the button block is provided with a groove slide way, the groove slide way is in sliding fit with a convex slide bar arranged on the inner wall of the button hole, the lower end of the groove slide way is provided with a convex blocking part, the other side of the button block is provided with a convex inclined block with a wide upper part and a narrow lower part, the convex inclined block is in sliding fit with a concave slide groove arranged on the inner wall of the button hole, the upper end of the convex inclined block is provided with a convex transverse blocking part, and the transverse blocking part is matched with a limiting step part arranged on the upper end of the concave slide groove.

Further perfect, the bottom of shell main part is equipped with the guide rail draw-in groove, is equipped with the ground connection groove that is linked together with the mounting groove on the guide rail draw-in groove, install in the ground connection groove with electrically conductive grafting complex ground connection spare, be equipped with bar slot on the ground connection spare, bar slot and the protruding card strip looks joint cooperation that sets up on the ground connection inslot wall.

Further perfection, both sides are equipped with respectively and stick up foot and hook foot about the ground connection piece, stick up foot and hook foot respectively with the cooperation of first buckle and the second buckle looks joint that sets up on the ground connection groove.

Further perfect, the shell fragment includes wiring fixed arm, crooked fixed part and elasticity press from both sides the line arm, be equipped with fretwork wiring groove on the wiring fixed arm, be equipped with crooked depressed part between elasticity presss from both sides the line arm and the crooked fixed part, the free end of elasticity press from both sides the line arm extend set up in the fretwork wiring groove.

The utility model discloses profitable effect is:

1. the utility model discloses a can realize directly inserting the line under the toolless condition, be equipped with fretwork wiring groove on the shell fragment, can increase the area of contact of shell fragment and electric wire, form the restraint to the electric wire, be applicable to multiple line footpath to make the wiring of electric wire more firm under the fixed of electrically conductive arm and elasticity clamp line arm, be difficult to break away from the wiring hole.

2. The utility model discloses an electrically conductive piece is equipped with breach draw-in groove, arc wiring end and barb, and electrically conductive piece is difficult to be outwards protruding from the installation groove in the shell main part, is equipped with spacing points such as protruding fixture block in the installation groove, makes electrically conductive piece use and shell main part keep in same horizontal plane, is difficult for falling out;

3. the utility model discloses have the model of taking the ground connection piece, whether can the free choice earth connection, the bottom earthing inslot of shell main part is provided with protruding card strip and buckle isotructure, can carry out more firm fixed to the ground connection piece.

4. The utility model discloses a button is general, does not divide about, conveniently presses and directly takes out stitches.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a conductive device;

FIG. 3 is a front view of the main body of the housing;

FIG. 4 is a top view of the housing body;

FIG. 5 is a schematic structural diagram of a key block;

FIG. 6 is a schematic structural view of a spring plate;

FIG. 7 is a schematic view of the belt grounding member according to the present invention;

FIG. 8 is a schematic structural view of the grounding member;

description of reference numerals: 1. a housing main body, 11, a mounting groove, 111, a convex clamping block, 12, a wiring chamber, 13, a wiring hole, 14, a key hole, 141, a convex sliding strip, 142, a concave sliding groove, 143, a limit step part, 15, a guide rail clamping groove, 16, a grounding groove, 161, a convex clamping strip, 162, a first clamping buckle, 163, a second clamping buckle, 17, a connecting piece placing hole, 171, a slope-shaped fixing block, 18, a testing hole, 2, a conductive piece, 21, a conductive arm, 22, a bending baffle, 23, an arc-shaped terminal, 24, a barb, 25, a notch clamping groove, 26, a connecting piece plugging hole, 27, a grounding hole, 3, a spring sheet, 31, an elastic wire clamping arm, 32, a hollow wiring groove, 33, a bending concave part, 34, a wiring fixing arm, 35, a bending fixing part, 4, a key block, 41, a cross-shaped groove, 42, a side chamfer, 43, a groove slideway, 44, a convex stopping part, 45, a convex inclined block, 46. the plug comprises a transverse blocking part 5, a grounding piece 51, a strip-shaped clearance groove 52, a tilting pin 53, a hook pin 54, a vertical fixing point 55, a transverse fixing point 56, a clamping point 57, a bottom corner buckle 58 and a hollow-out rebound plug.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figure 1: in this embodiment, a formula binding post cut straightly, including shell main part 1, electrically conductive piece 2 and shell fragment 3, be equipped with mounting groove 11 in the shell main part 1, be equipped with wiring room 12 on the mounting groove 11, be equipped with on the wiring room 12 and supply wire male wiring hole 13, electrically conductive piece 2 and shell fragment 3 respectively fixed mounting be in mounting groove 11 with on the wiring room 12, be equipped with on the electrically conductive piece 2 extend in electrically conductive arm 21 in the wiring room 12, the shape of electrically conductive piece 2 is the U-shaped, and shell main part 1 can set up one deck or multilayer electrically conductive piece according to needs extension, the one end of shell fragment 3 is equipped with electrically conductive arm 21 contacts complex elasticity and presss from both sides line arm 31, the other end of shell fragment 3 be equipped with the corresponding fretwork wiring groove 32 in wiring hole 13, it has passed in the fretwork wiring groove 32 electrically conductive arm 21 and elasticity press from both sides line arm 31.

The working principle is as follows: the contact area of shell fragment and electric wire can be increased in fretwork wiring groove 32, electrically conductive arm 21 and the setting of elasticity wire clamping arm 31, forms the restraint to the electric wire, is applicable to multiple line footpath to make the wiring of electric wire more firm under electrically conductive arm 21 and elasticity wire clamping arm 31's fixing, be difficult to break away from the wiring hole. During the use, in the wiring hole 13 of both sides about with two wires difference disect insertion shell main part 1, at the male in-process, the wire front end passes through the fretwork wiring groove 32 of shell fragment 3 and outwards backs up its elasticity clamping wire arm 31, get into wiring room 12, under the elastic force effect of shell fragment, elasticity clamping wire arm 31 with the wire front end centre gripping on the electrically conductive arm 21 of electrically conductive piece 2, accomplish the wiring back on two electrically conductive arms 21 of electrically conductive piece 2, electrically conductive piece 2 realizes switching on the circuit of both sides, only need press down elasticity clamping wire arm 31 when dismantling and can loosen the wire and extract the disconnection that realizes the circuit of both sides.

As shown in fig. 2, a bent baffle 22 is disposed at a side of the conductive arm 21, a wire clamping end of the elastic wire clamping arm 31 is located at an inner side of the bent baffle 22, and the bent baffle 22 can increase a contact area between the conductive member 2 and the spring 3/wire, thereby preventing deformation and poor contact of the spring.

Arc wiring end 23 on electrically conductive arm 21 can guide the wire to get into fretwork wiring groove 32, and arc wiring end 23 is fixed set up in on the arc draw-in groove of the inner one side of wiring hole 13, can detain fretwork wiring groove 32 and realize the contact with shell fragment 3 to firmly fix shell fragment 3 in the shell main part 1 of plastics, play limiting displacement, make shell fragment 3 be difficult for falling out, and prevent that the wire from running outward.

The upper end face of the conductive arm 21 is provided with a barb 24, so that the friction force between the conductive piece 2 and the mounting groove 11 can be enhanced, the conductive piece 2 is combined with the plastic shell body 1 more tightly, and the conductive piece is not easy to loosen and fall out.

The inboard of electrically conductive piece 2 is equipped with breach draw-in groove 25, and corresponding protruding fixture block 111 that sets up on breach draw-in groove 25 and the mounting groove 11 inside wall carries out the joint cooperation (as shown in fig. 3), makes electrically conductive piece 2 erection site more accurate, and electrically conductive piece 2 card is more firm inseparable in the shell main part 1 of plastics. Notch draw-in groove 25 is square, and opening part both sides are equipped with the trip, can bite the side of protruding fixture block 111 firmly, further strengthens the fastness of electrically conductive 2 installation, is difficult to fall out mounting groove 11 because of vibrations.

As shown in fig. 4, the housing body 1 is provided with a connector placing hole 17 for placing a connector, which is used for communicating multiple layers of current to conduct electricity. The connecting piece is placed hole 17's front and back both sides inner wall on the symmetry be equipped with slope shape fixed block 171, be V type structure, can press from both sides tight male connecting piece, make connecting piece and shell main part 1 be connected inseparabler, prevent that it is not hard up to break away from, be equipped with on the electrically conductive piece 2 and place hole 17 corresponding connecting piece spliced eye 26 with the connecting piece, can realize striding the electricity and connect.

As shown in fig. 5, a key hole 14 is formed in the housing main body 1, a key block 4 is slidably mounted on the key hole 14, a cross-shaped groove 41 is formed in the outer end of the key block 4, the screwdriver can press the key block 4 from both the horizontal direction and the vertical direction, and meanwhile, the stress between the screwdriver and the key block 4 is increased.

The inner end of the key block 4 is provided with a side chamfer 42, the elastic wire clamping arm 31 is provided with a bent concave part 33, the bent concave part 33 is in contact fit with the side chamfer 42, the shapes of the bent concave part 33 and the side chamfer are identical, and when the key block 4 is pressed, the obstruction of the elastic sheet 3 in deformation is greatly reduced.

A groove slideway 43 is arranged on one side of the key block 4, and the groove slideway 43 is in sliding fit with a convex sliding strip 141 arranged on the inner wall of the key hole 14, so that the key is more labor-saving in the pressing process; the lower end of the groove slideway 43 is provided with a convex blocking part 44, and the convex blocking part 44 is blocked with the convex slide bar 141, so that the key block can be prevented from falling out from the upper part of the key hole.

The other side of the button block 4 is provided with a convex inclined block 45 with a wide upper part and a narrow lower part, the convex inclined block 45 is in sliding fit with a concave sliding groove 142 arranged on the inner wall of the button hole 14, the button block is not easy to fall out of the shell main body 1 due to the design of the wide upper part and the narrow lower part, and the button block and the side inclined cutting surface 42 form transition and are attached to the deformation surface of the elastic sheet 3. The upper end of the protruding inclined block 45 is provided with a protruding transverse blocking portion 46, and the transverse blocking portion 46 is matched with a limiting step portion 143 arranged at the upper end of the concave sliding groove 142. The key block 4 is blocked by the limiting step part 143 after being pressed to a certain degree, so that the key is prevented from being excessively moved downwards to be incapable of returning when being pressed.

As shown in fig. 6, the elastic sheet 3 includes a wire fixing arm 34, a bent fixing portion 35 and an elastic wire clamping arm 31, and the bent fixing portion 35 is completely matched with the fixing point of the housing body 1 for fixing. The wiring fixing arm 34 is completely matched with the transverse clamping groove of the shell main body 1 in shape, and the wiring fixing effect is improved. The wiring fixing arm 34 is provided with the hollowed wiring groove 32, the hollowed wiring groove 32 can intensively restrict the front end of a wire, so that the wire is not easy to separate from the wiring chamber 12, a bent concave part 33 is arranged between the elastic wire clamping arm 31 and the bent fixing part 35, the bent concave part 33 is in direct contact with a side oblique cutting surface 42 at the inner end of the key block 4, the shape of the bent concave part is matched with that of the oblique cutting surface, and the obstruction of the elastic sheet during deformation is reduced. The free end of the elastic wire clamping arm 31 extends into the hollowed wiring groove 32, can be elastically deformed, and is matched with the hollowed wiring groove 32 to fixedly connect the wire to the conductive piece 2.

As shown in fig. 7-8, the bottom of the housing body 1 is provided with a guide rail slot 15, which has a shape consistent with that of the guide rail, so that the housing body is firmly clamped on the guide rail and is not easy to fall off. The guide rail clamping groove 15 is provided with a grounding groove 16 communicated with the mounting groove 11, and whether grounding is performed or not can be freely selected. The grounding groove 16 is internally provided with a grounding piece 5 which is in plug fit with the conductive piece 2, and the grounding piece 5 can contact with a guide rail or a grounding wire to realize grounding. The grounding piece 5 is provided with a strip-shaped clearance groove 51, and the strip-shaped clearance groove 51 is matched with a convex clamping strip 161 arranged on the inner wall of the grounding groove 16 in a clamping manner. The protruding clamping strip 161 makes the grounding piece 5 clamped in the housing body 1 more tightly and not easy to fall out. The strip-shaped clearance groove 51 enhances the elasticity of the grounding piece 5, and the protruding clamping strip 161 and the strip-shaped clearance groove 51 act to enable the shell body 1 to be more labor-saving when being clamped or detached from the guide rail.

The left side and the right side of the grounding part 5 are respectively provided with a raising foot 52 and a hook foot 53, and the raising foot 52 and the hook foot 53 are respectively matched with a first buckle 162 and a second buckle 163 arranged on the grounding groove 16 in a clamping manner. First buckle 162 and stick up foot 52 effect, make ground connection piece 5 card inseparabler in shell main part 1, be difficult for falling out, can follow guide rail draw-in groove 15 and warp together. The second buckle 163 and the hook leg 53 act to make the grounding member 5 clamped in the grounding slot 16 more firmly and not easily fall out.

The inner side of the raising foot 52 is provided with a base angle buckle 57, and fine protrusions of the base angle buckle 57 enable the guide rail to be clamped into the guide rail easily and labor-saving, and meanwhile, the guide rail is convenient to disassemble and not prone to deformation. The hook leg 53 is designed as a single hook-shaped fastening point, so that the housing body 1 can be operated in a more labor-saving manner when being fastened to the guide rail, and is not easy to deform.

The front surface and the back surface of the grounding piece 5 are provided with paired vertical fixing points 54 and transverse fixing points 55, and the tenon-and-mortise structure is adopted, so that the grounding piece 5 can be conveniently stacked for use, the stress is uniform, and the mechanics is met. The fixed point all adopts the design of little slope, and the top is level and smooth, and the below is salient, makes the ground connection piece pack into shell main part 1 back and the fixed slot on the ground connection groove 16 inner wall combine, can firmly block, is difficult for falling out.

The upper portion of ground connection spare 5 is equipped with fretwork resilience plug 58, and fretwork resilience plug 58 adopts the fretwork to return the design, makes it more laborsaving and non-deformable when inserting electrically conductive piece 2 and shell main part 1.

The design of the upper end both sides of fretwork resilience plug 58 has bellied stuck point 56, and the narrow below in stuck point 56 top is wide, and this design makes ground connection piece 5 insert ground connection hole 27 light more easily, can fix after inserting simultaneously, can not drop.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (10)

1. The utility model provides a formula binding post cut straightly, includes shell main part (1), electrically conductive piece (2) and shell fragment (3), its characterized in that: be equipped with mounting groove (11) in shell main part (1), be equipped with wiring room (12) on mounting groove (11), be equipped with on wiring room (12) and supply wire male wiring hole (13), electrically conductive piece (2) and shell fragment (3) fixed mounting respectively mounting groove (11) with on wiring room (12), be equipped with on electrically conductive piece (2) extend in electrically conductive arm (21) in wiring room (12), the one end of shell fragment (3) is equipped with electrically conductive arm (21) contact complex elasticity presss from both sides line arm (31), the other end of shell fragment (3) be equipped with wiring hole (13) corresponding fretwork wiring groove (32), have passed in fretwork wiring groove (32) electrically conductive arm (21) and elasticity press from both sides line arm (31).

2. An in-line terminal according to claim 1, wherein: the side part of the conductive arm (21) is provided with a bent baffle (22), and the wire clamping end of the elastic wire clamping arm (31) is positioned on the inner side of the bent baffle (22).

3. An in-line terminal according to claim 1, wherein: and the arc-shaped wiring end (23) is arranged on the conductive arm (21), and the arc-shaped wiring end (23) is fixedly arranged on the arc-shaped clamping groove on one side of the inner end of the wiring hole (13).

4. An in-line terminal according to claim 1, wherein: and a barb (24) is arranged on the upper end face of the conductive arm (21).

5. An in-line terminal according to claim 1, wherein: the inboard of electrically conductive piece (2) is equipped with breach draw-in groove (25), and protruding fixture block (111) that corresponding setting was gone up on breach draw-in groove (25) and mounting groove (11) inside wall carries out the joint cooperation.

6. An in-line terminal according to claim 1, wherein: the shell body (1) is provided with a connecting piece placing hole (17), the inner walls of the front side and the rear side of the connecting piece placing hole (17) are symmetrically provided with slope-shaped fixing blocks (171), and the conductive piece (2) is provided with a connecting piece inserting hole (26) corresponding to the connecting piece placing hole (17).

7. An in-line terminal according to claim 1, wherein: the elastic wire clamping device is characterized in that a key hole (14) is formed in the shell main body (1), a key block (4) is slidably mounted on the key hole (14), a cross-shaped groove (41) is formed in the outer end of the key block (4), a side inclined cutting surface (42) is formed in the inner end of the key block (4), a bending concave part (33) is formed in the elastic wire clamping arm (31), and the bending concave part (33) is in contact fit with the side inclined cutting surface (42); one side of button piece (4) is equipped with recess slide (43), and recess slide (43) and the protruding draw runner (141) that set up on key hole (14) inner wall are sliding fit mutually, and the lower extreme of recess slide (43) is equipped with protruding fender position portion (44), the opposite side of button piece (4) is equipped with wide protruding sloping block (45) down narrow, protruding sloping block (45) and the concave spout (142) that set up on key hole (14) inner wall are sliding fit mutually, and the upper end of protruding sloping block (45) is equipped with bellied horizontal fender position portion (46), and horizontal fender position portion (46) cooperatees with spacing step portion (143) that concave spout (142) upper end set up.

8. An in-line terminal according to claim 1, wherein: the bottom of shell main part (1) is equipped with guide rail draw-in groove (15), is equipped with on guide rail draw-in groove (15) grounding groove (16) that are linked together with mounting groove (11), install in grounding groove (16) with electrically conductive piece (2) grafting complex ground connection spare (5), be equipped with bar slot (51) on grounding spare (5), protruding card strip (161) looks joint cooperation that sets up on bar slot (51) and grounding groove (16) inner wall.

9. An in-line terminal according to claim 8, wherein: the left side and the right side of the grounding piece (5) are respectively provided with a warping foot (52) and a hooking foot (53), and the warping foot (52) and the hooking foot (53) are respectively in clamping fit with a first buckle (162) and a second buckle (163) arranged on the grounding groove (16).

10. The utility model provides an in-line type binding post's shell fragment which characterized in that: the shell fragment (3) is including wiring fixed arm (34), crooked fixed part (35) and elasticity press from both sides line arm (31), be equipped with fretwork wiring groove (32) on wiring fixed arm (34), be equipped with crooked depressed part (33) between elasticity press from both sides line arm (31) and crooked fixed part (35), the free end of elasticity press from both sides line arm (31) extend set up in fretwork wiring groove (32).

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