CN214849107U - Front direct insertion type wiring terminal - Google Patents

Abstract

A front direct-insertion type wiring terminal comprises a shell and a conductive piece arranged in the shell, wherein elastic pieces are arranged at the positions of two ends of the conductive piece in the shell and are fixed through buckles on the inner wall of the shell; the shell is characterized in that a key hole and a plug wire hole are formed in the top of the shell, a key capable of moving up and down is installed in the key hole, the bottom of the key is in contact with the elastic sheet, a conductive piece clamping groove is formed in the inner wall of the shell, the 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 in mutual clamping fit. The utility model discloses can realize directly inserting wire under the no instrument condition, set up the limiting point in the main part, limiting point and the mutual joint cooperation in the spacing hole on the electrically conductive piece make electrically conductive use and main part keep in same horizontal plane, be difficult for falling out.

Description

Front direct insertion type wiring terminal

Technical Field

The utility model relates to a binding post especially relates to a positive formula binding post that cut straightly.

Background

The wiring terminal is an accessory product for realizing electrical connection, is industrially divided into the category of connectors, and along with the increasing industrial automation degree and the stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually rises, along with the development of the electronic industry, the use range and the variety of the wiring terminal are more and more, and the wiring terminal is widely used, besides a PCB (printed circuit board) terminal, a hardware terminal, a nut terminal, a spring terminal and the like; 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 patent number CN202010034901.8 discloses a side direct-insert type wiring terminal, which comprises a shell with wiring holes at two ends and a conductive piece arranged in the shell for conducting electricity, wherein elastic sheets are arranged at the positions of the two ends of the conductive piece in the shell; the top of the shell is provided with a key hole, a key is arranged in the key hole, the key can move in the key hole along the vertical direction, the bottom of the key is in contact with one end of the elastic sheet, the elastic sheet can be extruded to deform when the key moves in the vertical direction, and the elastic sheet can fix and release the plug-in inserted in the plug hole in the deformation process. The defects of the prior art are as follows: 1. the elastic sheet is positioned at the inner end of the wiring hole, the conductive piece is positioned at the upper side of the elastic sheet, when the electric wire is inserted, the resistance of the elastic sheet to the electric wire is large, the electric wire cannot be directly inserted, a tool is required, the operation is complicated, and 2, whether to be connected with the ground wire cannot be freely selected; 3. the conductive piece and the shell cannot be always in the same horizontal plane, and the conductive body easily protrudes outwards from the main body and is easy to fall out in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a positive formula binding post that cut straightly, realize through the disect insertion electric wire, need not any instrument, easy operation, in the use, the electric conductor is difficult to outwards fall out in following the main part moreover.

The utility model provides a technical scheme that its technical problem adopted: a front direct-insertion type wiring terminal comprises a shell and a conductive piece arranged in the shell, wherein elastic pieces are arranged at the positions of two ends of the conductive piece in the shell and are fixed through buckles on the inner wall of the shell; the button hole and plug wire hole have been seted up at the top of casing, install the button that can move about from top to bottom in the button hole, the bottom of button with the shell fragment contact, can extrude when the button reciprocates the shell fragment produces deformation, realizes fixing and releasing the plug-in components of pegging graft in the plug wire hole, be equipped with electrically conductive piece draw-in groove on the shells inner wall, install in the electrically conductive piece draw-in groove electrically conductive piece has seted up spacing hole on the electrically conductive piece, is equipped with bellied spacing point on the electrically conductive piece draw-in groove shown, spacing point with spacing hole joint cooperation each other.

In order to further improve the structure, two ends of the conductive piece are provided with contact ends bent up and down, and two ends of the conductive piece clamping groove are provided with contact end clamping grooves capable of accommodating the contact ends.

The contact structure is characterized in that the contact structure is further improved, a convex blocking hook and a concave slope opening are respectively arranged on the inner side and the outer side of the contact end, the blocking hook is matched with one end of the elastic sheet in a clamping mode, the contact end clamping groove is communicated with the wire inserting hole, and a boss which is contacted and abutted against the slope opening is arranged on the inner wall of one side of the contact end clamping groove.

Further perfection, the top end of the contact end is provided with a barb, and the upper end of the contact end clamping groove is provided with a barb clamping groove clamped with the barb.

Further perfection, the upper side surface of the conductive piece clamping groove is provided with a first friction stripe at the bending position on the conductive piece.

The buckle comprises a stop pillar arranged at the bending position of the first bending part and a fixing groove arranged at the side part of the stop pillar, the third bending part is fixedly arranged in the fixing groove, and the first bending part can elastically bend and deform around the stop pillar; the shell is characterized in that a positioning stop block is arranged on the inner wall of the shell, a fixing lug is arranged on the conductive piece and is adjacent to the position of the limiting hole, and the fixing lug is arranged between the lower end of the third bending part and the positioning stop block.

The inner wall of the shell is provided with an oblique angle bulge below the second bending part, and when the elastic sheet is deformed by pressing the key, the shape of the oblique angle bulge is attached to the shape of the second bending part; be equipped with inside sunken fourth flexion between second flexion and the first flexion, shells inner wall is equipped with the button draw-in groove on being located the side of fourth flexion, the button draw-in groove with button sliding connection, the button bottom is provided with the scarf, and the scarf contacts and the shape coincide with fourth flexion.

Further perfection, the casing top is equipped with connecting piece jack, test hole and mark strip and places the mouth, connecting piece jack below be equipped with the cross-over connection hole on the electrically conductive piece, the cross-over connection hole position the corresponding connecting piece groove that is equipped with "W" shape on the electrically conductive piece draw-in groove, the casing is inside to be equipped with the vacant groove, and vacant groove top is equipped with circular draw-in groove.

Further perfect, the left and right sides of button is equipped with the recess slide, the key hole inner wall is equipped with bellied guide rail strip, guide rail strip with recess slide sliding connection, the left recess slide bottom of button is equipped with the protrusion fender position, the button right side is equipped with the notch cuttype buckle, and the upper end of notch cuttype buckle is equipped with transverse baffle.

The grounding bracket is arranged in the grounding clamping groove, a hollow plug is arranged at the upper end of the grounding bracket, and the hollow plug is in inserting fit with a grounding hole arranged on the conductive piece; the positive and negative two sides of ground connection support are equipped with two vertical fixed points and two horizontal fixed points respectively, the casing corresponds on the both sides of ground connection draw-in groove and is equipped with fixed logical groove, vertical fixed point and horizontal fixed point correspond fixed logical groove joint.

The utility model discloses profitable effect is:

1. the utility model discloses can realize switching on of circuit through the disect insertion electric wire, need not any instrument, easy operation when needs are taken out stitches, makes shell fragment deformation can realize the dismantlement of wire, convenient to use, labour saving and time saving through pressing down the button.

2. The utility model discloses a set up bellied spacing point on the lateral wall of the electrically conductive piece draw-in groove 13 in the casing, spacing point and the mutual joint cooperation in spacing hole on the electrically conductive piece make electrically conductive piece use and main part keep in same horizontal plane, be difficult for falling out.

3. The utility model discloses the casing bottom is equipped with guide rail draw-in groove and ground connection draw-in groove, installs in the ground connection draw-in groove with electrically conductive grafting complex ground connection support, the ground connection support installation with dismantle conveniently, it is fixed firm, can install the realization ground connection on the guide rail, satisfy the demand of user's earth connection.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of the housing;

FIG. 4 is a schematic structural diagram of a conductive device;

FIG. 5 is a schematic structural view of a spring plate;

FIG. 6 is a schematic structural diagram of a key;

FIG. 7 is a schematic structural view of a grounding bracket;

description of reference numerals: 1. a housing, 11, a key hole, 111, a guide rail strip, 12, a wire insertion hole, 13, a conductive piece slot, 131, a limit point, 132, a contact end slot, 133, a boss, 134, a first friction stripe, 135, a connector groove, 14, a stop post, 141, a fixing groove, 142, a bevel protrusion, 143, a key slot, 144, a positioning stop, 15, a connector jack, 151, a test hole, 152, a marker strip placement opening, 153, a free groove, 154, a circular slot, 16, a guide rail slot, 161, a pry angle, 17, a ground slot, 171, a fixing through groove, 18, a holding groove, 181, a second friction stripe, 2, a conductive piece, 21, a limit hole, 22, a fixing bump, 23, a contact end, 24, a barb, 25, a stop hook, 26, a ramp opening, 27, a bridging connection hole, 28, a ground hole, 3, a spring plate, 31, a first bending portion, 32, a second bending portion, 33, a third bending portion, 34. fourth flexion, 4, button, 41, scarf, 42, cross recess, 43, recess slide, 44, protruding gear, 45, notch cuttype buckle, 46, horizontal baffle, 5, ground connection support, 51, fretwork plug, 52, vertical fixed point, 53, horizontal fixed point.

Detailed Description

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

as shown in fig. 1, in the embodiment, the front direct-insertion type connection terminal includes a housing 1 and a conductive member 2 disposed inside the housing 1, where elastic pieces 3 are disposed at two ends of the conductive member 2 inside the housing 1, and the elastic pieces 3 are fixed by a buckle on an inner wall of the housing 1; the utility model discloses a plastic casing, including casing 1, button hole 11, plug-in hole 12, install button 4 that can move about from top to bottom in the button hole 11, the bottom of button 4 with shell fragment 3 contact, can extrude when button 4 reciprocates shell fragment 3 produces deformation, realizes fixing and releasing the plug-in components of pegging graft in plug-in hole 12, be equipped with electrically conductive piece draw-in groove 13 on the casing 1 inner wall, install in the electrically conductive piece draw-in groove 13 electrically conductive piece 2 has seted up spacing hole 21 on electrically conductive piece 2, is equipped with bellied spacing point 131 on the lateral wall of electrically conductive piece draw-in groove 13 shown, spacing point 131 with spacing hole 21 mutual joint cooperation, both shapes are identical, make electrically conductive piece 2 fix in plastic casing 1, just receive external force influence from top to bottom in the assembling process and also can not lead to electrically conductive piece 2 outwards to deviate from.

As shown in fig. 2, two ends of the conductive member 2 are provided with vertical contact ends 23, the top end of each contact end 23 is provided with a barb 24, the inner side and the outer side of each contact end 23 are respectively provided with a convex blocking hook 25 and a concave slope port 26, the blocking hook 25 is matched with the outer end of the elastic sheet 3 in a clamping manner, two ends of the conductive member clamping groove 13 are provided with contact end clamping grooves 132 capable of accommodating the contact ends 23, the contact end clamping grooves 132 are communicated with the plug wire hole 12, a boss 133 abutting against the inclined groove 26 in contact is arranged on the inner wall of one side of each contact end clamping groove 132, the small slope design enables the small slope to be firmly fixed in the shell 1 and not to easily fall off, and when a lead is inserted, the blocking hook 25 is in contact with the elastic sheet and the lead, so that the contact is firmer and the lead is not easy to fall off. The upper end of the contact end clamping groove 132 is provided with a barb clamping groove clamped with the barb 24, so that the upper end of the contact end 23 is firmly fixed in the plastic shell and is not easy to fall off. The first friction stripe 134 is disposed at the bent portion of the conductive device 2 on the upper side surface of the conductive device card slot 13, so as to increase the contact force with the conductive device, and the conductive device is firmly fixed in the main body.

As shown in fig. 2-5, the elastic sheet 3 is a U-shaped structure, the middle is a first bending portion 31, two sides are respectively provided with a second bending portion 32 protruding outwards and a third bending portion 33 recessed inwards, the buckle includes a retaining pillar 14 arranged at the bending position of the first bending portion 31 and a fixing groove 141 arranged at the side of the retaining pillar 14, and the third bending portion 33 is fixedly installed in the fixing groove 141, so that the elastic sheet is firmly fixed in the groove and is not easy to fall off. The first bent portion 31 can be elastically bent around the stopper post 14. The first bending portion 31 is completely matched with the shape of the part of the catch 14, and plays a role in fixing. The shell fragment has adopted irregular shape design, and one end is identical with plastics main part shape completely, plays the fixed action, and when pressing the button, the other end takes place to warp for the spring squints downwards, and is easier when pulling out the electric wire. The lower that the casing 1 inner wall is located second flexion 32 is equipped with the protruding 142 of oblique angle, when pressing button 4 messenger shell fragment 3 deformation, the protruding 142 shape of oblique angle and the shape laminating of second flexion 32 can coincide with shell fragment one side shape, and it is more light convenient when making the shell fragment main part of packing into to have certain angle, and when pressing the button, the shell fragment also more laminates the emergence deformation of shape, can fix spacingly to the shell fragment through the oblique angle. The inner wall of the shell 1 is provided with a positioning stop dog 144, the conductive piece 2 is provided with a fixing lug 22, the fixing lug 22 is adjacent to the position of the limiting hole 21, the fixing lug 22 is installed between the lower end of the third bending part 33 and the positioning stop dog 144, and under the action of the fixing lug 22 and the positioning stop dog 144, the conductive piece is fixed in the shell body and is partially contacted with the elastic piece, so that the elastic piece is fixed in the plastic shell 1 body. The third bending portion 33 can contact with the fixing protrusion 22 to firmly fix the elastic sheet 3 in the plastic body. An inwardly concave fourth bending part 34 is arranged between the second bending part 32 and the first bending part 31, a key clamping groove 143 is arranged on the side, located on the fourth bending part 34, of the inner wall of the shell 1, the key clamping groove 143 is in sliding connection with the key 4, the design enables the key to be fixed in the region after being placed in the key hole, and when the key is pressed, the key can move up and down in the region, so that the key cannot be clamped and cannot move due to deviation. The bottom of the key 4 is provided with a chamfer surface 41, the chamfer surface 41 is contacted with the fourth bending part 34 and has a shape matched with that of the fourth bending part, and when the key is pressed, the obstruction of the elastic sheet in deformation is greatly reduced.

As shown in fig. 6, a cross-shaped groove 42 is formed at the top of the key 4, so that the screwdriver can press the key from both the horizontal direction and the vertical direction, and the stress of the screwdriver and the key is increased. The left side and the right side of the key 4 are provided with groove slideways 43, and the key is universal and is not divided into a left side and a right side. The inner wall of the key hole 11 is provided with a raised guide rail strip 111, the guide rail strip 111 is slidably connected with the groove slideway 43, and the bottom of the groove slideway 43 positioned on the left side of the key 4 is provided with a protruding gear 44, so that the key can be prevented from falling out from the upper part of the key hole. The bottom of the groove slideway 43 on the right side of the key 4 is provided with a step-shaped buckle 45 which acts with the key hole to reduce resistance. The upper end of notch cuttype buckle 45 is equipped with horizontal baffle 46, can be blocked by button hole 11 bottom after pressing to a certain degree, prevents that the button excessively moves down when pressing and leads to unable return.

As shown in fig. 1-3, the bottom of the housing 1 is provided with a guide rail slot 16 for connecting a guide rail, which is suitable for a guide rail with a specification of 35mm, and the shape of the guide rail is consistent with that of the guide rail, so that the guide rail is firmly clamped on the guide rail and is not easy to fall off. The left part of the guide rail clamping groove 16 is provided with a prying angle 161, and the guide rail clamping groove can be easily taken down on a guide rail by using a tool to act at the prying angle. And a grounding clamping groove 17 communicated with the conductive piece clamping groove 13 is formed in the guide rail clamping groove 16, and the grounding clamping groove 17 is hollowed out for placing a grounding support. Install ground connection support 5 in the ground connection draw-in groove 17, the ground connection support 5 upper end is equipped with fretwork plug 51, and fretwork plug 51 is in with set up ground connection hole grafting cooperation on the electrically conductive piece 2. The two sides of the hollow plug 51 are provided with convex clamping points, so that the plug is slightly deformed and can be inserted into the main body more easily. After the main body is inserted smoothly, the deformed part at the top end rebounds, and the clamping points at the two sides fix the main body on the conductive piece and cannot fall off.

As shown in fig. 7, the front and back sides of the grounding bracket 5 are respectively provided with two vertical fixing points 52 and two horizontal fixing points 53, the casing 1 is correspondingly provided with fixed through grooves 171 on the two sides of the grounding clamping groove 17, the vertical fixing points 52 and the horizontal fixing points 53 correspond to the fixed through grooves 171 are clamped, so that the grounding bracket 5 of the copper part can be firmly clamped and is not easy to fall out, the whole stress is uniform, and the mechanical property 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 support pack into the casing after combine with fixed logical groove 171 on the plastic casing, can firmly block, is difficult for falling out.

As shown in fig. 1, the top of the housing 1 is provided with a connector jack 15, a test hole 151 and a label strip placing opening 152, and the connector jack 15 can be used for placing a connector to connect multiple terminals. The connecting piece jack 15 is internally provided with a concave slideway, and the width of the concave slideway is consistent with the width of the connecting piece tongue page, so that the connecting piece can be more accurately inserted into a designated position. Two bridging connection holes 27 are arranged on the conductive piece 2 below the connection piece insertion hole 15, and a W-shaped connection piece groove 135 is correspondingly arranged on the conductive piece clamping groove 13 at the position of the bridging connection hole 27 to connect the connection piece. The inside vacant slot 153 that is equipped with of casing 1, vacant slot 153 can place electronic components such as diode. A circular clamping groove 154 is arranged above the vacant groove 153, so that the baffle can be firmly clamped. The left side and the right side of the shell 1 are provided with inwards concave holding grooves 18, and the holding grooves 18 are provided with a plurality of second friction stripes 181 which are transversely convex, so that the shell is attractive, meets the human engineering and is comfortable to hold. The test pencil can contact the conductive member through the test hole 151 to test whether the conductive member is normally energized. The marking strip placing opening 152 can be used for placing a marking strip, and the number of products can be marked.

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. A front direct-insertion type wiring terminal comprises a shell (1) and a conductive piece (2) arranged in the shell (1), wherein elastic pieces (3) are arranged at two ends of the conductive piece (2) in the shell (1), and the elastic pieces (3) are fixed through buckles on the inner wall of the shell (1); button hole (11) and plug wire hole (12) have been seted up at the top of casing (1), install button (4) that can move about from top to bottom in button hole (11), the bottom of button (4) with shell fragment (3) contact, can extrude when button (4) reciprocate shell fragment (3) produce deformation, realize fixing and releasing the plug-in components of pegging graft in plug wire hole (12), characterized by: be equipped with on casing (1) inner wall and electrically conductive draw-in groove (13), install in electrically conductive draw-in groove (13) electrically conductive (2) have seted up spacing hole (21) on electrically conductive (2), are equipped with bellied spacing point (131) on shown electrically conductive draw-in groove (13), spacing point (131) with spacing hole (21) joint cooperation each other.

2. A front in-line terminal according to claim 1, wherein: contact ends (23) bent up and down are arranged at two ends of the conductive piece (2), and contact end clamping grooves (132) capable of containing the contact ends (23) are arranged at two ends of the conductive piece clamping groove (13).

3. A front in-line terminal according to claim 2, wherein: the contact terminal is characterized in that the inner side and the outer side of the contact terminal (23) are respectively provided with a convex blocking hook (25) and a concave inclined groove (26), the blocking hook (25) is matched with one end of the elastic sheet (3) in a clamping mode, the contact terminal clamping groove (132) is communicated with the plug wire hole (12), and a boss (133) which is contacted and abutted against the inclined groove (26) is arranged on the inner wall of one side of the contact terminal clamping groove (132).

4. A front in-line terminal according to claim 2, wherein: the top end of the contact end (23) is provided with a barb (24), and the upper end of the contact end clamping groove (132) is provided with a barb clamping groove clamped with the barb (24).

5. A front in-line terminal according to claim 2, wherein: and a first friction stripe (134) is arranged at the bending position of the conductive piece (2) on the upper side surface of the conductive piece clamping groove (13).

6. A front in-line terminal according to claim 3, wherein: the elastic sheet (3) is of a U-shaped structure, the middle of the elastic sheet is provided with a first bending part (31), two sides of the elastic sheet are respectively provided with a second bending part (32) protruding outwards and a third bending part (33) recessed inwards, the buckle comprises a stop pillar (14) arranged at the bending position of the first bending part (31) and a fixing groove (141) arranged at the side part of the stop pillar (14), the third bending part (33) is fixedly arranged in the fixing groove (141), and the first bending part (31) can elastically bend and deform around the stop pillar (14); the inner wall of the shell (1) is provided with a positioning stop block (144), the conductive piece (2) is provided with a fixing lug (22), the fixing lug (22) is adjacent to the position of the limiting hole (21), and the fixing lug (22) is installed between the lower end of the third bending portion (33) and the positioning stop block (144).

7. A front in-line terminal according to claim 6, wherein: an oblique angle bulge (142) is arranged below the second bending part (32) on the inner wall of the shell (1), and when the elastic sheet (3) is deformed by pressing the key (4), the shape of the oblique angle bulge (142) is attached to the shape of the second bending part (32); be equipped with inside sunken fourth flexion (34) between second flexion (32) and first flexion (31), casing (1) inner wall is located and is equipped with button draw-in groove (143) on the side of fourth flexion (34), button draw-in groove (143) with button (4) sliding connection, button (4) bottom is provided with scarf (41), and scarf (41) contact and the shape coincide with fourth flexion (34).

8. A front in-line terminal according to claim 1, wherein: casing (1) top is equipped with connecting piece jack (15), test hole (151) and mark strip and places mouth (152), connecting piece jack (15) below be equipped with cross-over connection hole (27) on electrically conductive piece (2), cross-over connection hole (27) position correspondingly be equipped with connecting piece groove (135) of "W" shape on electrically conductive piece draw-in groove (13), casing (1) inside is equipped with vacant groove (153), and vacant groove (153) top is equipped with circular draw-in groove (154).

9. A front in-line terminal according to any one of claims 1 to 8, wherein: the left and right sides of button (4) is equipped with recess slide (43), it is equipped with bellied guide rail strip (111) to press key hole (11) inner wall, guide rail strip (111) with recess slide (43) sliding connection, left recess slide (43) bottom of button (4) is equipped with the protrusion and keeps off position (44), button (4) right side is equipped with notch cuttype buckle (45), and the upper end of notch cuttype buckle (45) is equipped with transverse baffle (46).

10. A front in-line terminal according to any one of claims 1 to 8, wherein: a guide rail clamping groove (16) used for connecting a guide rail is formed in the bottom of the shell (1), a grounding clamping groove (17) communicated with the conductive piece clamping groove (13) is formed in the guide rail clamping groove (16), a grounding support (5) is installed in the grounding clamping groove (17), a hollow plug (51) is arranged at the upper end of the grounding support (5), and the hollow plug (51) is in inserting fit with a grounding hole (28) formed in the conductive piece (2); the positive and negative two sides of ground connection support (5) are equipped with two vertical fixed point (52) and two horizontal fixed point (53) respectively, casing (1) corresponds on the both sides of ground connection draw-in groove (17) and is equipped with fixed logical groove (171), vertical fixed point (52) and horizontal fixed point (53) correspond fixed logical groove (171) joint.

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