CN215771633U - Wiring terminal - Google Patents

Abstract

The utility model provides a wiring terminal which comprises a shell with a cavity and a hardware arranged in the cavity, wherein the shell is provided with a wire inserting hole communicated with the cavity, the hardware comprises a hardware body and a connecting sheet, the hardware body comprises an upper body and a lower body, the upper body and the lower body are connected through the connecting sheet, a clamping piece is arranged on the hardware body, the clamping piece comprises an upper clamping piece and a lower clamping piece, the upper clamping piece is arranged on the upper body, the lower clamping piece is arranged on the lower body, one end of the clamping piece is connected with the hardware body, the other end of the clamping piece is a free end and forms a clamping opening used for clamping a wire with the connecting sheet, and the wire inserting hole corresponds to the position of the clamping opening. The utility model not only facilitates the insertion and connection of the lead, but also can realize the insertion and connection without an external tool, can firmly fix the lead, prevents the lead from falling off, and can be repeatedly used.

Description

Wiring terminal

Technical Field

The utility model relates to the technical field of wiring terminals, in particular to a threadless wiring terminal structure.

Background

The wiring terminal is used as a connecting component of electronic elements, electrical appliances and the like, can achieve the effects of wiring and electrifying, realizes the good connection function of wiring and electrifying, and is an important wiring component for connecting the electrical appliances and between the wiring terminal and the wiring terminal.

Conventional binding post adopts the wire to penetrate in the five metals structure of copper product, then carries out the thread tightening wire with screw etc. and forms the wiring function in the hardware, then the casing has been assembled to the repacking, and this mode of connection is troublesome, needs the manual back installation shell of screwing up of going up, and the screw is in the back of twisting repeatedly easy pine take off and then lose fixed function moreover.

In recent years, some terminal structures which are installed and connected without threads such as screws and the like appear, the terminal can realize the one-step installation effect that the lead can be installed and fixed after being directly inserted, the method needs to be very sophisticated in the hardware structure for fixing the bare wire end of the conducting wire and the compactness of the integral shell structure, the one-step wiring effect of the hardware structure is realized, and the wiring is required to be stable and not to shift, stable after wiring, not to be broken or not to be easily broken, therefore, some of the binding post of current unthreaded binding post or one-step wiring because hardware structure wiring firm inadequately, the flexure strip is comparatively poor, the structure is too complicated, hardware and shell cooperation installation are not compact and cause hardware mounted position to shift etc. and cause the low problem of electric conductive property of wiring, influence wiring effect and quality, need to improve prior art's product urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wiring terminal which is simple in structure, safe and reliable, and aims to overcome at least one defect in the prior art.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a wiring terminal, includes the casing that is equipped with the cavity and arranges the hardware in the cavity in, the casing is equipped with the wire spliced eye with the cavity intercommunication, the hardware includes five metals body and connection piece, the five metals body includes body and lower body, goes up the body and passes through the connection piece with lower body and connect, be equipped with the clamping piece on the five metals body, the clamping piece includes clamping piece and lower clamping piece, go up the clamping piece and locate the body, the body is located down to lower clamping piece, clamping piece one end and this body coupling of five metals, the other end be the free end and form the centre gripping mouth for the centre gripping wire with the connection piece, the wire spliced eye corresponds with centre gripping mouth position. According to the utility model, the clamping piece is arranged on the hardware body, and the clamping force is applied to the wire through the clamping opening formed by the clamping piece, so that the wire can be conveniently inserted and connected without an external tool, the wire can be stably fixed, the wire is prevented from falling off, and the hardware body can be repeatedly used. The utility model also sets the hardware structure into a top and bottom structure, so that the structure of the wiring terminal is further simplified, and more wiring ports can be provided.

In order to strengthen the conduction rate of the hardware and improve the contact effect, the hardware further comprises a pressing sheet connected with the connecting sheet, and the pressing sheet comprises a bottom sheet and a pressing sheet.

The upper body extends obliquely to the upper right, and the lower body extends obliquely to the lower right. This structure setting has reduced the height of hardware, and then has reduced the casing volume, makes the hardware have more elasticity simultaneously, is convenient for the wire insert centre gripping mouth.

The included angle between the upper body and the horizontal line and the included angle between the lower body and the horizontal line are 20-45 degrees. The utility model improves the clamping force of the clamping piece on the lead by limiting the inclination angle of the hardware body so as to obtain better clamping effect.

The upper end of the upper clamping piece is provided with a first bending part of the upper body which is bent upwards, and the lower end of the lower clamping piece is provided with a first bending part of the lower body which is bent downwards. The first bending part can increase the elasticity of the clamping piece, so that the clamping piece can be conveniently elastically deformed when the wire is inserted or pulled out, and stronger clamping force can be further generated on the clamped wire.

The upper end of the upper body is provided with a second bending part of the upper body which is bent downwards at a position corresponding to the first bending part of the upper body, and the lower end of the lower body is provided with a second bending part of the lower body which is bent upwards at a position corresponding to the first bending part of the lower body. The second bending part is opposite to the first bending part in bending direction, so that the clamping piece can generate stronger elasticity and clamping force.

The upper end of the second bending part of the upper body is provided with an upper body limiting part, and the lower end of the second bending part of the lower body is provided with a lower body limiting part. The limiting portion is matched with the shell component so as to fix the hardware in the shell.

The number and the positions of the clamping pieces correspond to those of the wire inserting holes, and a dividing line is arranged between adjacent clamping pieces in the same row, so that the adjacent clamping pieces are prevented from generating interference.

The preforming is including last preforming and lower preforming be connected with the film respectively, go up the preforming and can correspond with last body and lower body with lower preforming on the one hand, form and supply wire male guide way, on the other hand can be with last preforming and lower preforming and other part cooperations of casing, the fixed mounting of the hardware of being convenient for.

One end of the upper pressing sheet and one end of the lower pressing sheet are connected with the bottom sheet, the other ends of the upper pressing sheet and the lower pressing sheet are close to each other at one side of the bottom sheet to form a pressing sheet opening, and the bottom sheet, the upper pressing sheet and the lower pressing sheet together enclose a pressing sheet cavity with a pressing sheet opening. The film, the upper pressing sheet and the lower pressing sheet are enclosed into a semi-enclosed structure, so that hardware can be fixedly installed better.

The upper pressing sheet and the lower pressing sheet are integrally formed and are integrally C-shaped. The C-shaped structure is simple in design, not only is convenient for current conduction of adjacent wires in the same row and upper and lower wires, but also can simplify the structure to the maximum extent and reduce the occupied volume.

Protruding tongues with the number and the positions corresponding to the clamping openings are arranged at the connecting parts of the pressing sheets and the bottom sheets, and the protruding tongues extend into the clamping openings of the hardware body. The convex tongue provides a clamping platform for clamping the lead, and reduces the difficulty for pulling out the lead.

The wire inserting holes are arranged in an upper row and a lower row and respectively comprise an upper row of wire inserting holes and a lower row of wire inserting holes, the wire inserting holes sequentially comprise a first section and a second section towards the extending direction of the cavity, and the second section extends towards the cavity and is provided with a guide arm. The guide arm provides support for the mounting of the hardware, in particular for the hardware body, on the one hand, and provides guidance for the insertion of the wires, on the other hand.

And a shell lug capable of being accommodated in the hardware tabletting cavity is arranged between the upper and lower rows of wire inserting holes of the shell. The casing lug cooperates with the piece that supports of half-enclosed structure, realizes the fixed to the hardware conveniently, has realized the location to the hardware moreover at 360 within ranges.

A first clamping groove is defined between the shell lug and the guide arm. This structure has utilized the position relation of casing lug and guide arm ingeniously, inject first double-layered groove, supports the preforming to the hardware and has carried out spacingly in level and longitudinal direction to the product structure has further been simplified.

In order to facilitate the installation with the cover body, a convex column is arranged at one end of the convex block of the shell body, which is close to the opening of the side wall.

The metal part connecting piece is characterized in that a shell boss extending in the same direction as the shell protruding block is arranged in the cavity, the shell boss is opposite to the shell protruding block in position, and a second clamping groove used for connecting the metal part connecting piece is formed between the shell boss and the shell protruding block. The second clamping groove is used for clamping a hardware connecting sheet and further limiting the connecting sheet.

In order to further simplify the structure and facilitate the installation and positioning of the shell and the cover body, the shell boss is of a hollow structure, and the cover body convex block is provided with a cover body insertion hole. The cover boss can be inserted into the hollow structure of the shell boss, and the shell convex column can be inserted into the cover jack, so that the cover and the shell are mounted together.

The second section of the wire inserting hole extends into the cavity of the shell, and third clamping grooves are defined between the second section of the upper row of wire inserting holes and the top plate and between the second section of the lower row of wire inserting holes and the bottom plate. The third clamping groove is arranged by utilizing the position relation between the parts, so that the product structure is simplified, and the limit of the upper body limit part and the lower body limit part of the hardware is realized.

The shell comprises a bottom plate, a top plate, a front baffle, a rear baffle and side plates, wherein one side plate is provided with a side wall convex rib, and a side wall clamping groove is defined between the side wall convex rib and the second section of the wire plug-in hole and the guide arm. The setting that the protruding muscle of lateral wall and lateral wall pressed from both sides the groove has carried on spacingly to hardware end structure, and the protruding muscle of lateral wall can also prevent the hardware displacement forward, has further strengthened the stability of hardware installation, ensures can not squint because of powerful thrust when the wire inserts.

The shell comprises a bottom plate, a top plate, a front baffle, a rear baffle and side plates, wherein one side plate is provided with a side wall opening, and the wiring terminal further comprises a cover body for sealing the side wall opening. The product structure has further been simplified to lateral wall opening and lid structure, has made things convenient for the installation of hardware moreover, only need with the hardware insert in the casing cavity can, improved production efficiency greatly.

The lid includes the lid body, locates the lid of lid upper flank and the lid downside of lower extreme on the lid body, is equipped with the lid lug and the lid boss that are used for injecing the hardware on the lid body, and lid lug and lid boss position are relative and form the first spacing groove of lid. The lug bosses of the shell and the lug structures of the shell correspond to each other and further limit the connecting pieces.

The rear ends of the upper side surface of the cover body and the lower side surface of the cover body are respectively provided with a folded edge and form a second limit groove of the cover body together with the upper side surface of the cover body and the lower side surface of the cover body. The limit groove is formed by the folded edge on the upper side face of the cover body, the structure is simple, and limitation to the hardware limit part structure is realized.

The casing includes left side board and right side board, and one of them curb plate is equipped with the lateral wall opening, binding post still includes the lid for closing cap lateral wall open-ended, the lid includes the lid body, is equipped with the lid lug and the lid boss that are used for injecing the hardware on the lid body, and lid lug and lid boss position are relative and form the first spacing groove of lid, the lid boss can stretch into in the casing boss. The cover body boss extends into the hollow shell body boss, so that the positioning of hardware is realized, and the installation effect of the cover body and the shell body is also realized.

In order to facilitate the connection between the cover body and the shell, the cover body and the shell are also provided with a positioning and mounting part, and the positioning and mounting part comprises a first positioning column arranged on the cover body and a first positioning hole arranged on the shell; or, the positioning installation component comprises a first positioning column arranged on the shell and a first positioning hole arranged on the cover body.

In order to facilitate the insertion of a conventional wire, the shell comprises a bottom plate and a top plate, and an amplification function area with an amplification function is arranged on the outer surface of the bottom plate and/or the top plate corresponding to the position of the clamping piece.

In summary, the connecting terminal of the utility model has at least the following beneficial effects:

firstly, the utility model comprises hardware, a shell and a cover body, and the installation of the hardware is facilitated through the structural form of combining the side wall opening of the shell and the cover body, thereby simplifying the product structure and the installation process and improving the production efficiency.

Secondly, the hardware structure is improved in multiple places, such as the clamping piece structure, the hardware body and the pressing piece semi-surrounding structure, the clamping effect of the hardware clamping pieces on the lead is improved, the lead pulling-out convenience is considered, the hardware structure can be repeatedly used on the basis of ensuring the performance of the hardware, the structure of the hardware is further simplified, and the volume setting is reduced.

Thirdly, the shell is greatly improved, more functions are set by utilizing the position relation of different parts, the internal structure of the shell is more compact, the structural arrangement of the shell is simplified, the processing difficulty is further reduced, and the processing efficiency is improved.

Fourthly, the cover body is improved, and particularly the first limiting groove and the second limiting groove of the cover body are arranged, so that the cover body has an important effect on fixing and mounting the end part of the hardware.

Drawings

FIG. 1 is a perspective view of the terminal block top plate of the present invention;

FIG. 2 is a perspective view of the terminal block base of the present invention;

fig. 3 is a top view of the terminal of the present invention;

FIG. 4 is a schematic view of the present invention with the cover removed;

fig. 5 is a cross-sectional view of the terminal with hardware removed at the location C-C in fig. 3;

FIG. 6 is a schematic front perspective view of the hardware of the present invention;

FIG. 7 is a schematic view of a rear perspective view of the hardware of the present invention;

FIG. 8 is a schematic structural diagram of the upper body of the hardware of the present invention;

FIG. 9 is a side view of the hardware of the present invention;

FIG. 10 is a top view of the hardware of the present invention;

FIG. 11 is a schematic front perspective view of the hardware body of the present invention;

FIG. 12 is a schematic view of a back side perspective structure of the lid hardware body of the present invention;

FIG. 13 is a schematic view of the pressing sheet of the present invention;

FIG. 14 is a side view of the hardware of the present invention pressing against the sheet;

FIG. 15 is another structural schematic view of the hardware pressing sheet of the present invention;

FIG. 16 is a schematic structural diagram of another embodiment of a hardware body according to the present invention;

FIG. 17 is a schematic structural view of another embodiment of a hardware pressing sheet according to the present invention;

FIG. 18 is a side view in the transverse direction of another embodiment of the hardware hold-down tab of the present invention;

FIG. 19 is a schematic structural view of another embodiment of the combination of the hardware body and the pressing piece of the present invention;

FIG. 20 is a front view of the cover of the present invention;

FIG. 21 is a schematic view of the back side of the cover according to the present invention;

FIG. 22 is a cross-sectional view of the cover of the present invention;

FIG. 23 is a cross-sectional view of the housing in combination with hardware at location A-A in FIG. 3;

FIG. 24 is a cross-sectional view of the housing in combination with hardware at position B-B in FIG. 3;

FIG. 25 is a cross-sectional view of the combination of the housing, hardware and cover of the present invention at the portion where the cover overlaps the housing;

FIG. 26 is a cross-sectional view of the combination of the housing, hardware, cover and wire of the present invention;

FIG. 27 is a schematic view of the angle of the hardware of the present invention.

Reference numerals:

the testing device comprises a shell 1, a bottom plate 11, a first clamping groove 171, a second clamping groove 172, a third clamping groove 173, a top plate 12, anti-skid threads 121, a front baffle 13, a shell boss 131, a gap 132, a testing port 134, a rear baffle 14, a left side plate 15, a right side plate 16, side wall ribs 161, side wall clamping grooves 162, a cavity 17, a side wall opening 151, a sunken platform 152, a wire plug-in hole 140, a first section 141, a second section 142, a guide arm 143, a shell boss 145, a convex column 146, a concave position 147, a first positioning hole 18, a concave area 19 and an amplifying functional area 1012

The cover 2, the cover body 21, the cover protrusion 211, the cover insertion hole 2111, the cover boss 212, the cover first limit groove 213, the cover upper side 22, the folded edge 221, the cover second limit groove 222, the cover front side 23, the cover lower side 24, and the first positioning post 25

Hardware 3, a hardware body 31, an upper body 311, an upper body first bending portion 3111, an upper body second bending portion 3112, an upper body third bending portion 3113, an upper body limiting portion 3114, a notch 3115, a lower body 312, a lower body first bending portion 3121, a lower body second bending portion 3122, a lower body third bending portion 3123, a lower body limiting portion 3124, a connecting piece 32, a connecting hole 321, a notch 322, a clamping piece 33, an upper clamping piece 331, a lower clamping piece 332, an upper clamping opening 341, a lower clamping opening 342, a dividing line 35, a pressing piece 36, a bottom piece 361, an upper pressing piece 362, a lower pressing piece 363, a pressing piece opening 364, a pressing piece cavity 365, an upper guide opening 366, a lower guide opening 367, a protruding tongue 368, a connecting column, a riveting claw 360, a lead 4

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; the references to "first", "second" and "third" in the embodiments are not intended to limit the number of components, but to distinguish one component from another, and thus "third" is not necessarily present on the basis of "first" and "second" components; the "upward" and "downward" mentioned in the embodiments include not only the right above or right below but also obliquely above or obliquely below; the front, the back, the left and the right mentioned in the embodiments are based on the requirement of the description drawings for expression, and do not limit the technical characteristics; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1 to 4, a terminal includes a housing 1, a cover 2, and a fitting 3. The housing 1 is a rectangular parallelepiped, but may be square or other irregular shapes according to actual needs. Casing 1 is enclosed by bottom plate 11, roof 12, preceding baffle 13, backplate 14, left side board 15 and right side board 16, and casing 1 is inside to be equipped with the cavity 17 that is used for holding hardware 3, casing 1 is preferably integrated into one piece to set up, of course casing 1 also can be pegged graft by two or more parts or mode such as joint is connected and is formed.

As shown in fig. 4 and 5, the left side plate 15 of the housing 1 is provided with a side wall opening 151 penetrating the cavity 17, and in the present invention, the left side plate 15 should be understood in a broad sense, and as an extreme measure, the side wall opening 151 may be the same size as the left side plate 15, and when the side wall opening 151 is the same size as the left side plate 15, the side wall opening 151 is the left side plate 15. The rear baffle 14 of the shell 1 is provided with a plurality of wire insertion holes 140 which can be communicated with the cavity 17, the number of the wire insertion holes 140 is preferably 2 to 16, and the wire insertion holes 140 can be arranged according to actual requirements, the wire insertion holes 140 are divided into an upper row and a lower row, and each row is arranged side by side along the length direction of the rear baffle 14 of the shell 1. The wire insertion hole 140 is preferably approximately in a vertical oval shape, the wire insertion hole 140 extends from the back plate 14 to the cavity 17, and sequentially includes a first section 141 and a second section 142, the first section 141 is disposed on the back plate 14 and penetrates through the wall of the back plate 14, and the second section 142 extends into the cavity 17. The first section 141 and the second section 142 are integrally formed, and the caliber of the wire insertion hole 140 is gradually reduced from the first section 141 to the second section 142 so as to facilitate the wire to be matched with the hardware 3. Each second section 142 of each wire plugging hole 140 extends to a third section 143 towards the cavity 17, the third section is composed of two guiding arms 143 arranged left and right, the third section is integrally formed with the first section 141 and the second section 142, and the guiding arms 143 of adjacent wire plugging holes 140 are integrally formed. The guide arm 143 is the sharp horn shape "<", and the front end between two guide arms 143 and upper and lower end are the opening, and wherein the front end opening is towards hardware clamping piece 33, conveniently leads to the top and opens clamping piece 33.

As shown in fig. 6 to 12, the hardware 3 includes a hardware body 31 and a connecting piece 32, the hardware body 31 includes an upper body 311 and a lower body 312, and is preferably integrally and symmetrically arranged, the upper body 311 and the lower body 312 are connected through the connecting piece 32, the upper body 311 extends obliquely to the upper right, the lower body 312 extends obliquely to the lower right, the upper body 311, the lower body 312 and the connecting piece 32 are integrally formed, and are preferably in an up-down symmetrical structure, and are integrally in a shape of "[ (on the whole, but the shape of the hardware of the present patent is not limited thereto. The angle between the upper body 311 and the horizontal line and the angles a and B between the lower body 312 and the horizontal line preferably range from 20 ° to 45 °.

It should be clear that, in this patent, the hardware 3 is made of a conductive material, but the name of the hardware 3 itself is not a limitation on the material of the hardware 3.

The hardware body 31 is provided with a clamping piece 33, and the clamping piece 33 comprises an upper clamping piece 331 and a lower clamping piece 332. Clamping piece 33 is bar or rectangle, preferably forms through punching press technology from five metals body 31 on the punching press, and clamping piece 33 one end five metals body 31 is connected, and the other end is the free end, and the free end is equipped with notch 3115, and the free end forms the centre gripping mouth with five metals body 31 connection piece 32. Specifically, the upper body 311 is provided with an upper clip 331, an upper end of the upper clip 331 is connected to the upper body 311, a lower end is a free end, and an upper clamping opening 341 is formed between the lower end of the upper clip 331 and the connecting piece 32 so as to clamp the exposed wire 4. Similarly, the lower body 312 is provided with a lower clip 332, the lower end of the lower clip 332 is connected to the lower body 312, the upper end is a free end, and a lower clamping opening 342 is formed between the upper end of the lower clip 332 and the connecting piece 32 so as to clamp the exposed wire 4.

As shown in fig. 9 and 27, in order to increase the holding force of the clip to the wire and prevent the wire from being detached, the upper end of the upper clip 331 is provided with a first bending portion 3311 of the upper body bent upward, which includes the upper side of the clip and the upper side of the clip obliquely based on the orientation shown in the drawing, but the orientation of the drawing is not limited to the patent technology, and is provided to explain the bending direction of the first bending portion 331. The upper body first bending part 3111 changes the plane shape of the jaw 33 so that the upper jaw 331 can generate a stronger elastic force. Correspondingly, go up body 311 upper end and last body first bending portion 3111 and correspond the position and be equipped with the last body second bending portion 3112 of a downward bending, go up the first bending portion 3111 of body and go up body second bending portion 3112's the opposite direction of buckling, this structure can enough make last clamping piece 331 produce stronger clamping-force, can prevent again that the five metals body from taking place deformation. The range of the bending angle C of the upper body first bent portion 3111 is preferably 140 ° to 160 °, and the range of the bending angle D of the upper body second bent portion 3112 is preferably 155 ° to 175 °.

Similarly, as shown in fig. 9 and 27, the lower end of the lower clip 332 is provided with a lower body first bending portion 3121 bent downward, a lower body second bending portion 3122 bent upward is provided at a position corresponding to the lower body first bending portion 3121 at the lower end of the lower body 312, and the bending directions of the lower body first bending portion 3121 and the lower body second bending portion 3122 are opposite. The bending angle E of the lower body first bent portion 3121 preferably ranges from 140 ° to 160 °, and the bending angle F of the lower body second bent portion 3122 preferably ranges from 155 ° to 175 °.

Go up body 311 and be equipped with body third bent portion 3113 on last body second bent portion 3112, go up body third bent portion 3113 and extend or horizontal extension forms spacing portion 3114 of upper body in the slant. A lower body third bending portion 3123 is provided at the lower end of the lower body second bending portion 3121 on the lower body 312, and the lower body third bending portion 3123 extends obliquely downward or horizontally to form a lower body limiting portion 3124.

The number of the clamping pieces 33 is the same as that of the wire insertion holes 140, and the clamping pieces 33 are arranged on the upper body 311 and the lower body 312 in parallel, and the position of each clamping piece 33 corresponds to the position of the wire insertion hole 140. A dividing line 35 is arranged between the adjacent clamping pieces 33 on the hardware body 31, and the dividing line 35 extends from the end part of the hardware body 31 to a position close to the connecting piece 32.

As shown in fig. 13 to 15, in order to enhance the conductivity of the connection terminal and improve the contact effect, the hardware 3 further includes a pressing piece 36, and the pressing piece 36 is fixedly connected to the connection piece 32 and is fixedly connected to the connection piece 32 by riveting, welding, clamping, and the like. In the embodiment, the connecting plate is provided with a plurality of connecting holes 321, the pressing piece 36 is provided with a connecting column 369 at a position corresponding to the connecting holes 321, and the connecting column 369 penetrates through the connecting holes 321 and fixes the connecting plate 32 and the pressing piece 36 together.

As another embodiment, as shown in fig. 16 to fig. 19, two ends of the pressing sheet 36 in the length direction may be further provided with flanges to form rivet claws 360, and correspondingly, the connecting sheet 32 is provided with notches 322 at positions corresponding to the rivet claws 360 so that the rivet claws 360 fix the pressing sheet 36 and the connecting sheet 32 together through the notches 322.

The pressing piece 36 comprises a bottom piece 361 and a pressing piece, preferably integrally and symmetrically arranged, the pressing piece comprises an upper pressing piece 362 and a lower pressing piece 363, the bottom piece 361 is of a straight structure, the upper pressing piece 362 is connected with the upper end of the bottom piece 361, the lower pressing piece 363 is connected with the lower end of the bottom piece 361, the upper pressing piece 362 and the lower pressing piece 363 both extend towards the direction of the guide inserting hole 140, the tail ends of the upper pressing piece 362 and the lower pressing piece 363 are close to each other and form a pressing piece opening 364, the bottom piece 361, the upper pressing piece 362 and the lower pressing piece 363 are preferably integrally formed and integrally form a C shape, and the bottom piece 361, the upper pressing piece 362 and the lower pressing piece 363 form a pressing piece cavity 365 with a pressing piece opening 364 together.

The connecting part of the pressing sheet and the bottom sheet 361 is provided with a plurality of protruding tabs 368 corresponding to the clamping openings in number and position, and the protruding tabs 368 are preferably of a plane structure and are preferably prepared from the pressing sheet through a stamping process. After the abutting piece 36 is fixedly connected with the connecting piece 32 of the hardware body, the protruding tongue 368 can just extend into the clamping opening of the hardware body 31, and the exposed part (i.e. the conductive part) of the lead 4 is clamped between the free end of the clamping piece 33 and the plane of the protruding tongue 368.

An upper guide opening 366 and a lower guide opening 367 are formed between the upper body 311 and the upper pressing sheet 362 and between the lower body 312 and the lower pressing sheet 363, so that the lead can conveniently extend into the upper clamping opening 341 and the lower clamping opening 342 through the upper guide opening 366 and the lower guide opening 367 respectively.

As shown in fig. 23, the hardware 3 is installed in the cavity 17 of the housing 1, the wire insertion holes 140 are longitudinally distributed into two rows, i.e., an upper wire insertion hole and a lower wire insertion hole, and a housing protrusion 145 capable of being accommodated in the hardware tablet cavity 365 is disposed between the upper wire insertion hole and the lower wire insertion hole, specifically, between the guide arms of the upper wire insertion hole and the lower wire insertion hole, and the housing protrusion 145 is preferably tapered or "C" shaped so as to correspond to the tablet cavity 365. The housing projection 145 and the guide arm 143 define a first clamping groove 171 therebetween, and when the hardware 3 is inserted into the cavity 17, the housing projection 145 is disposed in the pressing piece cavity 365, and the upper pressing piece 362 and the lower pressing piece 363 are limited in the first clamping groove 171. The case projection 145 extends along the lateral direction of the case 1, and a convex column 146 is disposed at one end of the case projection 145 close to the opening of the side wall.

Still be equipped with in the cavity 17 with casing boss 131 that the casing lug syntropy extends, preferably, on baffle 13 before the casing was located to casing boss 131, casing boss 131 is preferred hollow square or rectangle structure, and baffle 13 middle part before the casing boss 131 position is located corresponds with casing lug 145 position, form second clamp groove 172 between casing boss 131 and the casing lug 145, the connection piece 32 of hardware and the film 361 that supports the clamp 36 are injectd in second clamp groove 172. The housing boss 131 defines the forward displacement of the hardware 3, while the first clip groove 171 defines the rearward and/or longitudinal displacement of the hardware press tab.

The second section 141 of the wire insertion hole 140 extends into the cavity 17 of the housing 1, a third clamping groove 173 is defined between the second section 141 of the upper row of the wire insertion hole 140 and the top plate 12 and between the second section 141 of the lower row of the wire insertion hole 140 and the bottom plate 11, and the upper body limiting portion 3114 and the lower body limiting portion 3124 of the hardware are respectively defined in the third clamping grooves 173 located at the positions of the top plate 12 and the bottom plate 11. The third retaining groove 173 limits the rearward and/or longitudinal displacement of the upper body retaining portion 3114 and the lower body retaining portion 3124.

Further, the lower extreme is equipped with a lateral wall protruding rib 161 respectively about the right side board 16, inject between lateral wall protruding rib 161 and wire spliced eye 140 second section 142 and the guide arm 143 and press from both sides the groove 162, work as in the cavity 17 of hardware insertion casing, the right-hand member of hardware will support and lean on in casing right side board 16, and some of hardware body 31 will be injectd in lateral wall presss from both sides the groove 162.

As shown in fig. 20 to 23, the cover 2 includes a cover body 21, a cover upper side 22, a cover front side 23 and a cover lower side 24, wherein the cover upper side 22, the cover front side 23 and the cover lower side 24 are respectively disposed at the upper end, the front end and the lower end of the cover body 21 to form a U-shaped groove structure.

The middle part of the cover body 21 is provided with a cover projection 211 which can be accommodated in the hardware tabletting cavity 365, the position and structure of the cover projection 211 correspond to the shell projection 145, preferably, the cover projection 211 is conical or C-shaped, and the end part of the cover projection 211 is provided with a cover insertion hole 2111 which can be inserted into the convex column 146 on the shell projection 145. The cover body 21 is further provided with a cover boss 212, the cover boss 212 is also square or rectangular, the position of the cover boss 212 corresponds to the position of the housing boss 131, and the cover boss 212 is smaller than the housing boss 131 and can extend into the hollow housing boss 131 to play a role in limiting and fixing. A first cover limiting groove 213 is formed between the cover protrusion 211 and the cover boss 212 to limit the hardware connecting piece 32 and the pressing piece 36.

The front ends of the cover upper side 22 and the cover lower side 24 are respectively connected with the upper end and the lower end of the cover front side 23, the rear ends of the cover upper side 22 and the cover lower side 24 are respectively provided with a folded edge 221, and the cover upper side 22 and the cover lower side 24 form a cover second limiting groove 222 for accommodating and limiting the hardware upper body limiting portion 3114 and the lower body limiting portion 3124.

As shown in fig. 4 to 5, the cover upper surface 22, the cover front surface 23 and the cover lower surface 24 of the cover 2 are inserted into the side wall opening 151 of the housing 1 during mounting. In order to facilitate installation and enhance installation firmness, the cover body 2 and the housing 1 are further provided with positioning and installing components, and the positioning and installing components comprise a first positioning column 25 arranged on the cover body 1 and a first positioning hole 18 arranged on the housing 1. The positioning hole 18 is disposed on the left side plate 15 of the housing, preferably, a sinking platform 152 recessed toward the housing cavity 17 is disposed at a position of the left side plate 15 close to the side wall opening 151, and the first positioning hole 18 is disposed on the sinking platform 152. The depth of the recess of the sinking platform 152 from the left side plate 15 is approximately the same as the thickness of the cover body. Of course, it is easily conceivable that the positions of the first positioning column 25 and the first positioning hole 18 may be interchanged, that is, the first positioning column 25 may be disposed on the sinking platform 152, and the first positioning hole may be disposed on the cover 2.

In order to further limit the insertion depth of the cover 2 into the cavity 17 of the housing 1 and also to provide sufficient space for the upper cover side 22, the front cover side 23 and the lower cover side 24, the inner wall of any one or more of the bottom plate 11, the top plate 12 and the front baffle 13 of the housing is provided with recessed areas 19, which recessed areas 19 provide space for the insertion of the cover 1. The housing boss 131 is provided with a gap 132 between the front baffle 13 at a position near the side wall opening 151 for insertion of the cover front side 23.

As shown in fig. 24 to 26, in use, the hardware 3 is first installed in the cavity 17 of the housing 1 through the side wall opening 151, and then the side wall opening 151 is closed by the cover 2. The hardware 3 is firmly limited in the space defined by the housing 1 and the cover 2 together under the action of the first clamping groove 171, the second clamping groove 172, the third clamping groove 173, the side wall clamping groove 162, the cover first limiting groove 213, the cover second limiting groove 222 and the like. In use, the exposed portion (i.e. the conductive portion) of the wire 4 to be connected, which is clamped in the upper clamping opening 341 or the lower clamping opening 342, is partially pushed away from the clamping piece 33 of the hardware through the first section 141, the second section 142 and the guide arm 143 of the wire insertion hole 140, and when the wire 4 is pulled out, the wire is prevented from being pulled out to some extent by the clamping force generated by the clamping piece 33, which is mainly generated by the elastic force of the clamping piece 33, and the inclination angle of the clamping piece 33, especially the angle between the clamping piece 33 and the wire, affects the magnitude of the clamping force.

Different wires are inserted into different wire insertion holes 140 which are arranged side by side, so that the circuit conduction of different wires is realized through hardware.

In order to observe the connection condition of the wires conveniently, the shell 1 is made of transparent plastic materials, and an amplification function area with an amplification function is arranged on the outer surface of the bottom plate 11 and/or the top plate 12 corresponding to each clamping piece 33 of the hardware 3. The amplification function area can be realized by a curved surface, in this embodiment, the bottom plate 11 and/or the top plate 12 of the housing 1 adopt a wave-shaped structure, a convex strip which is consistent with the extending direction of the wire plugging hole 140 is arranged on the outer surface of the housing corresponding to each clamping piece 33 of the hardware, specifically, the outer surface of the bottom plate 11 and/or the top plate 12, the convex strip is preferably designed in an arc shape, and the thickness of the convex strip is larger than other areas of the bottom plate 11 and/or the top plate 12.

The positions of the bottom plate 11 and the top plate 12 of the shell, which are close to the wire insertion holes 140, are in a wave-shaped design, and a concave position 147 is arranged between the upper row of wire insertion holes 140 and the lower row of wire insertion holes 140, so that the thickness of the shell can be reduced to the maximum extent under the condition that the aperture of the wire insertion holes 140 is kept.

Preferably, the front ends of the bottom plate 11 and the top plate 12 of the housing 1 are inclined planes, the rear ends are flat planes, the flat planes are partially provided with anti-slip patterns 121, and the anti-slip patterns 121 extend along the arrangement direction of the wire insertion holes 140.

One end of baffle 13 is equipped with test port 134 before casing 1, test port 134 and cavity 17 intercommunication can be connected with hardware 2 electricity through test port 134.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (26)

1. The utility model provides a wiring terminal, includes the casing that is equipped with the cavity and arranges the hardware in the cavity in, the casing is equipped with the wire spliced eye with the cavity intercommunication, a serial communication port, the hardware includes five metals body and connection piece, the five metals body includes body and lower body, goes up the body and passes through the connection piece with lower body and connect, be equipped with the clamping piece on the five metals body, the clamping piece includes clamping piece and lower clamping piece, go up the clamping piece and locate the body, body down is located to lower clamping piece, clamping piece one end and this body coupling of five metals, the other end be the free end and form the centre gripping mouth for the centre gripping wire with the connection piece, the wire spliced eye corresponds with centre gripping mouth position.

2. The connecting terminal according to claim 1, wherein the hardware further comprises a pressing piece connected with the connecting piece, and the pressing piece comprises a bottom piece and a pressing piece.

3. The connection terminal according to claim 2, wherein the upper body extends obliquely upward to the right, and the lower body extends obliquely downward to the right.

4. A terminal according to claim 3, wherein the angle between the upper body and the horizontal and the angle between the lower body and the horizontal are 20 ° to 45 °.

5. The terminal according to claim 3, wherein the upper clip has an upper first upwardly bent portion and the lower clip has a lower first downwardly bent portion.

6. The connecting terminal according to claim 5, wherein the upper body has a second bent portion bent downward at a position corresponding to the first bent portion of the upper body, and the lower body has a second bent portion bent upward at a position corresponding to the first bent portion of the lower body.

7. The connection terminal according to claim 6, wherein the upper body second bent portion is provided at an upper end thereof with an upper body stopper, and the lower body second bent portion is provided at a lower end thereof with a lower body stopper.

8. The terminal according to claim 3, wherein the number and positions of the clips correspond to the number and positions of the wire insertion holes, and a dividing line is provided between adjacent clips in the same row.

9. The terminal according to claim 2, wherein the pressing piece includes an upper pressing piece and a lower pressing piece connected to the base piece, respectively.

10. The connecting terminal according to claim 9, wherein one end of the upper pressing piece and the lower pressing piece is connected with the bottom piece, the other end of the upper pressing piece and the other end of the lower pressing piece are close to each other on one side of the bottom piece to form a pressing piece opening, and the bottom piece, the upper pressing piece and the lower pressing piece together enclose a pressing piece cavity with a pressing piece opening.

11. The terminal according to claim 10, wherein the upper and lower pressing pieces are integrally formed and have a C-shape as a whole.

12. The connecting terminal according to claim 10, wherein the connecting part of the pressing sheet and the bottom sheet is provided with a number of convex tongues corresponding to the clamping openings, and the convex tongues extend into the clamping openings of the hardware body.

13. The connection terminal according to claim 10, wherein the wire insertion holes are arranged in two rows, namely an upper row of wire insertion holes and a lower row of wire insertion holes, the wire insertion holes sequentially comprise a first section and a second section towards the extending direction of the cavity, and the second section is provided with a guide arm extending towards the cavity.

14. The connecting terminal according to claim 13, wherein a housing protrusion capable of being received in the hardware wafer cavity is disposed between the two rows of wire insertion holes.

15. The wire connecting terminal of claim 14, wherein the housing tab and the guide arm define a first clip slot therebetween.

16. The connecting terminal of claim 14, wherein the housing protrusion has a post at an end thereof adjacent to the opening in the side wall.

17. The connecting terminal according to claim 14, wherein a housing boss is provided in the cavity and extends in the same direction as the housing boss, the housing boss is opposite to the housing boss, and a second clamping groove for connecting the hardware piece is formed between the housing boss and the housing boss.

18. The wire connecting terminal according to claim 17, wherein the housing boss is a hollow structure.

19. The wire connecting terminal of claim 13, wherein the second section of the wire insertion hole extends into the cavity of the housing, and third clamping grooves are defined between the second section of the upper row of wire insertion holes and the top plate and between the second section of the lower row of wire insertion holes and the bottom plate.

20. The wire connecting terminal according to claim 13, wherein the housing includes a bottom plate, a top plate, a front bezel, a rear bezel, and side plates, one of the side plates having a sidewall rib defining a sidewall clip slot with the second section of the wire insertion hole and the guide arm.

21. A terminal according to any one of claims 1 to 20, wherein the housing includes a base plate, a top plate, a front plate, a rear plate and side plates, one of the side plates being provided with a side wall opening, the terminal further including a cover for covering the side wall opening.

22. The connecting terminal according to claim 21, wherein the cover includes a cover body, and upper and lower cover sides disposed at upper and lower ends of the cover body, the cover body having a cover protrusion and a cover projection for limiting the hardware, the cover protrusion and the cover projection being disposed opposite to each other and forming a first cover limiting groove.

23. A terminal according to claim 22, wherein the rear ends of the upper and lower cover sides are respectively provided with flanges and form second cover limiting grooves with the upper and lower cover sides.

24. The connecting terminal according to claim 18, wherein the housing includes a left side plate and a right side plate, one of the side plates is provided with a side wall opening, the connecting terminal further includes a cover for covering the side wall opening, the cover includes a cover body, a cover projection and a cover boss are provided on the cover body for limiting hardware, the cover projection and the cover boss are opposite in position and form a first cover limiting groove, and the cover boss can extend into the housing boss.

25. The connecting terminal according to claim 21, wherein the cover and the housing are further provided with a positioning and mounting member, and the positioning and mounting member comprises a first positioning post arranged on the cover and a first positioning hole arranged on the housing; or, the positioning installation component comprises a first positioning column arranged on the shell and a first positioning hole arranged on the cover body.

26. The connecting terminal according to any one of claims 1 to 20, wherein the housing includes a bottom plate and a top plate, and an amplification function region having an amplification function is provided on an outer surface of the bottom plate and/or the top plate at a position corresponding to the clip.

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