CN215418661U - Wire end connector and connector assembly - Google Patents

Abstract

A line end connector and a connector assembly are provided, wherein the line end connector comprises an insulator, a first electric connection part, a cable, a locking assembly and a pulling part; the first electric connection part is arranged in the insulator, and the cable is electrically connected with the first electric connection part; the lock catch assembly comprises lock tongues arranged at two ends inside the insulator; the pulling component is connected with the locking assembly, and the lock tongue can be outwards ejected from the insulator and retracted under the action of the pulling component. The wire end connector can reduce the overall height of a product, is suitable for a low connector structure, and has the advantages of small gap and tolerance between the locking assembly and the matching end, small contact stroke of a product terminal and good reliability of the locking structure.

Description

Wire end connector and connector assembly

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a wire end connector and a connector assembly.

Background

The plate end connector and the line end connector are locked by structures such as clamping hooks, in the existing connector, the size of the clamping hook is large, the connector is suitable for the high and large scenes of the product size, the requirements on the position gap and the tolerance of the matching between the clamping hook and the product are large, the terminal contact of the product is required to be large, and the installation requirement of a low space is not facilitated. Therefore, there is a need for a connector assembly having a reliable latching structure and that can be adapted for use with low profile connectors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wire end connector and a connector assembly, which can have a reliable locking structure and can be suitable for low connectors.

In order to achieve the above object, the present invention provides a wire end connector comprising an insulator, a first electrical connection portion, a cable, a locking assembly and a pulling member; the first electric connection part is arranged in the insulator, and the cable is electrically connected to the first electric connection part; the lock catch assembly comprises lock tongues arranged at two ends in the insulator; the pulling component is connected with the locking assembly, and the bolt can be ejected outwards from the insulator and retracted under the action of the pulling component.

Preferably, the locking assembly further comprises at least one pair of elastic connection assemblies and at least one fixing assembly, the fixing assembly is fixedly connected in the insulator, and each fixing assembly is connected to a pair of the elastic connection assemblies.

Preferably, the fixing assembly comprises a fixing member, the fixing member is fixedly connected in the insulator, and two ends of the fixing member are respectively connected to the pair of elastic connecting assemblies.

Preferably, the fixing assembly comprises a pair of fixing pieces, the fixing pieces are fixedly connected in the insulator, and the ends of the pair of fixing pieces, which are far away from each other, are respectively connected to one of the elastic connecting assemblies.

Preferably, the elastic connection assembly comprises a first connecting column and an elastic element, the first connecting column is arranged on the inner side of the lock tongue, and the elastic element is connected between the first connecting column and the fixing piece.

Preferably, a second connecting column is arranged on the fixing piece, and two ends of the elastic element are respectively connected to the first connecting column and the second connecting column.

Preferably, the first connecting post is integrally formed with the bolt.

Preferably, the hasp assembly still includes a pair of spacing connecting plate, first spliced pole with the spring bolt is located respectively on two relative sides of spacing connecting plate.

Preferably, the limiting connecting plate, the lock tongue and the first connecting column are integrally formed.

Preferably, the limiting connecting plate, the lock tongue arranged on the limiting connecting plate and the first connecting column are connected through assembly.

Preferably, the insulator includes an insulating base and a shell, the shell is disposed on the top of the insulating base and forms a mounting space with the insulating base, and the locking assembly is disposed in the mounting space.

Preferably, the top of the insulating base is provided with a plurality of positioning columns, the housing is provided with a plurality of positioning holes which penetrate through the housing, and the insulating base and the housing are connected with the positioning holes in a hot-pressing insertion manner through the positioning columns.

Preferably, the insulation seat body is connected with the shell through bolts or buckles.

Preferably, a fixing groove is formed in the insulating base body, and the fixing member is arranged in the fixing groove

Preferably, the insulating base body comprises two side end faces, a front end face, a rear end face, a top face and a bottom face, and the lock tongue is arranged on the two side end faces of the insulating base body.

Preferably, two side end faces of the insulating base body are respectively provided with a lock tongue hole, and the lock tongue can be ejected out of the lock tongue hole or retracted from the lock tongue hole.

Preferably, the top surface of the insulating base body is provided with a latch groove recessed inward, the housing is fastened in the latch groove to form the mounting space, and the fixing groove is formed in the latch groove.

Preferably, the first electrical connection portion is a terminal or a circuit board.

Preferably, the first electrical connection portion includes a double-row first terminal, the double-row first terminal is located below the locking groove, one end of the cable is electrically connected to the double-row first terminal, and the other end of the cable is arranged outside the insulating base.

Preferably, the connection between the front end face of the insulating base and the bottom face of the insulating base is a stepped structure.

Preferably, the ladder structure includes a first layer of ladder and a second layer of ladder from bottom to top, the double-row first terminals include an upper row of first terminals and a lower row of first terminals, the lower row of first terminals is disposed at the first layer of ladder, and the upper row of first terminals is disposed at the second layer of ladder.

Preferably, the upper row of first terminals and the lower row of first terminals are staggered back and forth.

Preferably, the terminal ends of the upper row of first terminals are bent downward and are turned and bent in the cable direction to form terminal connection portions, and the terminal connection portions are flush with the terminal ends of the lower row of first terminals.

Preferably, the angle of the downward bending of the upper row of the first terminals is 15-65 °.

Preferably, the both ends of shell are equipped with respectively and dodge the groove, spacing connecting plate is located dodge the inslot, the middle part of shell is equipped with the accommodation hole.

Preferably, both ends of the pulling part are respectively connected to the pair of limiting connecting plates, the middle of the pulling part penetrates through the accommodating hole and extends to the outside of the shell, and the pulling part can drive the lock tongues of the locking and buckling assembly to move in opposite directions so that the lock tongues retract into the insulating seat body.

Preferably, the pulling member includes a pair of connecting portions and a pulling portion, the pulling portion is disposed between the pair of connecting portions, each pulling portion is connected to one of the limiting connection plates, and the pulling portion passes through the accommodating hole.

Preferably, the connecting part and the limit connecting plate are integrally formed.

Preferably, the connecting portion is made of a soft material, and the connecting portion is connected with the pulling portion by fitting.

Preferably, the limiting connecting plate is provided with a connecting hole, the connecting portion of the pulling part is provided with a first limiting protrusion, the end portion of the connecting portion of the pulling part is rotatably inserted into the connecting hole, and the first limiting protrusion is respectively located on the outer side of the limiting connecting plate.

Preferably, the connecting hole is communicated with the bottom surface of the limiting connecting plate and is circular with an opening.

Preferably, the pair of connecting portions is integrally formed with the pulling portion.

Preferably, a second limiting protrusion is arranged on the connecting portion of the pulling part and located on the inner side of the limiting connecting plate.

The utility model also provides a connector assembly, which comprises the plate end connector and the wire end connector.

Preferably, the plate end connector comprises an insulating shell and a second electric connection part arranged in the insulating shell, and lock holes are formed in two sides of the insulating shell;

when the wire end connector is plugged into the plate end connector, the second electric connecting part is electrically connected to the first electric connecting part, and the bolt can be ejected outwards from the insulator and inserted into the lock hole.

Preferably, the second electrical connection portion includes a double row of second terminals having a height difference at their tips, the height difference being 0.3mm to 3 mm.

Preferably, the second electrical connection portion includes double rows of second terminals, the heights of the double rows of second terminals being the same.

The utility model relates to a line terminal connector, which has the beneficial effects that: the overall height of the product can be reduced, the connector structure is suitable for low connector structures, gaps and tolerance between the lock catch assembly and the matching end are small, contact of product terminals is small, and the reliability of the lock catch structure is good.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

FIG. 1 shows a schematic structural diagram of a line end connector according to an exemplary embodiment of the present invention;

FIG. 2 shows an exploded schematic view of a line end connector of an exemplary embodiment of the present invention;

fig. 3 is a schematic view showing an internal structure of an installation space in a line end connector according to an exemplary embodiment of the present invention;

FIG. 4 shows a schematic diagram of a first electrical connection in a wire end connector according to an exemplary embodiment of the present invention;

FIG. 5 shows an exploded schematic view of a line end connector according to another exemplary embodiment of the present invention;

FIG. 6 is a schematic view of the internal structure of the mounting space in another exemplary wire end connector of the present invention;

FIG. 7 illustrates a schematic structural view of an exemplary connector assembly of the present invention;

FIG. 8 is a schematic diagram of a board end connector in an exemplary connector assembly of the present invention;

fig. 9 is a schematic view showing a connection state of the first electrical connection portion and the second connection portion in an exemplary connector assembly of the present invention.

Description of reference numerals:

1. the device comprises an insulator 11, an insulating base body 111, a locking groove 112, a fixing groove 113 and a V-shaped groove; 12. a housing 121, an avoidance groove 122, and a receiving hole; 2. a first electrical connection portion; 3. a cable; 4. the locking device comprises a locking buckle assembly 41, a locking bolt 42, a first connecting column 43, an elastic element 44, a fixing piece 45, a limiting connecting plate 46, a connecting hole 47, a second connecting column 5, a pulling part 51, a first limiting bulge 52 and a second limiting bulge; 6. a plate end connector; 61. an insulating housing; 62. a second electrical connection portion; 63. and (6) locking the hole.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In order to solve the problems in the prior art, the utility model provides a wire end connector which comprises an insulator, a first electric connection part, a wire, a lock catch assembly and a pulling component, wherein the insulator is arranged on the first electric connection part; the first electric connection part is arranged in the insulator, and the cable is electrically connected with the first electric connection part; the lock catch assembly comprises lock tongues arranged at two ends inside the insulator; the pulling component is connected with the locking assembly, and the lock tongue can be outwards ejected from the insulator and retracted under the action of the pulling component.

The wire end connector can reduce the overall height of a product, is suitable for a low connector structure, and has the advantages of small gap and tolerance between the locking assembly and the matching end, small contact stroke of a product terminal and good reliability of the locking structure.

Preferably, the latch assembly further includes at least one pair of elastic connection assemblies and at least one fixing assembly, the fixing assembly being fixedly connected in the insulator, each fixing assembly being connected to the pair of elastic connection assemblies.

Preferably, the fixing assembly comprises a fixing member fixedly connected in the insulator, and two ends of the fixing member are respectively connected to the pair of elastic connecting assemblies.

Preferably, the fixing assembly comprises a pair of fixing pieces, the fixing pieces are fixedly connected in the insulator, and the ends of the pair of fixing pieces, which face away from each other, are respectively connected to one elastic connecting assembly.

Preferably, the elastic connection assembly comprises a first connecting column and an elastic element, the first connecting column is arranged on the inner side of the bolt, and the elastic element is connected between the first connecting column and the fixing piece.

Preferably, the fixing piece is provided with a second connecting column, and two ends of the elastic element are respectively connected to the first connecting column and the second connecting column.

The quantity of elastic connection assembly and the quantity of fixed subassembly can according to actual demand, for example, can set up two pairs of elastic connection assembly and a pair of fixed subassembly, every fixed subassembly is connected between a pair of elastic connection assembly, and two pairs of elastic connection assembly symmetries set up in the insulator both ends, and connect respectively in the spring bolt that is located this end.

Preferably, the first connecting post is integrally formed with the bolt.

The first connecting column can be integrated with the lock tongue, and also can be two parts assembled by connecting modes such as threads, welding or gluing.

The spring bolt can be ejected or retracted through the elastic connecting assembly, and the first connecting column extends out under the elastic force of the elastic element or retracts under the action of the pulling part so as to drive the spring bolt to eject or retract.

Optionally, the elastic element is a spring, a spring plate or other parts with elastic function.

Preferably, the lock catch assembly further comprises a pair of limiting connecting plates, and the first connecting column and the lock tongue are respectively arranged on two opposite side surfaces of the limiting connecting plates.

The pair of limiting connecting plates are symmetrically arranged at two ends of the insulator, the lock catch assembly is provided with at least one pair of lock tongues, each pair of lock tongues is respectively arranged at two ends of the insulator, each lock tongue positioned at one end of the insulator is arranged on one side surface of the limiting connecting plate positioned at the end, and the first connecting column of the elastic connecting assembly positioned at the end of the insulator is arranged on the other side surface of the limiting connecting plate.

The spring bolt is connected in the limiting connection board outside, and first spliced pole is connected in limiting connection board inboard, and limiting connection board sets up inside the insulator for connect spring bolt and first spliced pole.

Preferably, spacing connecting plate and the spring bolt and the first connecting post integrated into one piece of locating on it.

Preferably, the limiting connecting plate, the lock tongue arranged on the limiting connecting plate and the first connecting column are assembled and connected in a threaded, adhesive, welding or press-fitting mode and the like.

Preferably, the insulator includes insulating pedestal and shell, and the shell is located insulating pedestal top to and form the installation space between the insulating pedestal, the hasp subassembly is located in the installation space.

Preferably, the top of the insulating base is provided with a plurality of positioning columns, the shell is provided with a plurality of penetrating positioning holes, and the insulating base and the shell are connected with the positioning holes in a hot-pressing and inserting mode through the positioning columns, so that the shell can be conveniently and quickly installed.

Preferably, the insulation seat body is connected with the shell through bolts or buckles.

Preferably, the insulating base body is internally provided with a fixing groove, and the fixing piece is arranged in the fixing groove.

Optionally, the fixing member is T-shaped, i-shaped, cross-shaped, L-shaped or other shapes convenient for clamping, and the fixing groove is adapted to the shape of the fixing member so that the fixing member is clamped in the fixing groove.

Preferably, the insulating base body comprises two side end surfaces, a front end surface, a rear end surface, a top surface and a bottom surface, and the lock tongue is arranged on the two side end surfaces of the insulating base body.

Preferably, two side end surfaces of the insulating base body are respectively provided with a lock tongue hole, and the lock tongue can be ejected out of the lock tongue hole or withdrawn from the lock tongue hole.

Preferably, the top surface of the insulating base body is provided with a latch groove which is concave inwards, the shell is buckled in the latch groove to form an installation space, and the fixing groove is arranged in the latch groove. The lock tongue hole is positioned on the groove wall of the lock catch groove, and the top surface of the shell is not higher than that of the insulating base body so as to reduce the height of the product.

The tank bottom in hasp groove is equipped with a plurality of bosss, and a plurality of bosss concatenation forms the fixed slot for place a mounting, and avoid the mounting to be removed. The T-shaped fixing groove comprises a middle boss and two pairs of strip-shaped bosses, wherein the two pairs of strip-shaped bosses are respectively positioned at two ends of the middle boss, a strip-shaped gap is formed between each pair of strip-shaped bosses, and the strip-shaped gap and the middle boss form the T-shaped fixing groove.

Preferably, the first electrical connection portion is a terminal or a circuit board.

Preferably, the first electrical connection portion includes a double-row first terminal, one end of the cable is electrically connected to the double-row first terminal, and the other end of the cable is disposed outside the insulating base. The double rows of first terminals are positioned below the locking groove.

Preferably, the cable is electrically connected with the double-row first terminals through welding, and then an inner die is injected at the connecting position to form a whole.

Preferably, the connection part of the front end surface of the insulating base body and the bottom surface of the insulating base body is of a stepped structure. The insulating base body is provided with a containing hole, and the containing hole penetrates through the rear end face of the insulating base body to the stepped structure of the insulating base body. The first electric connection part is arranged in the accommodating hole, and the accommodating hole is positioned below the lock catch groove.

Preferably, the ladder structure comprises a first ladder layer and a second ladder layer from bottom to top, the double-row first terminals comprise upper rows of first terminals and lower rows of first terminals, the lower rows of first terminals are arranged at the first ladder layer, and the upper rows of first terminals are arranged at the second ladder layer.

Preferably, the upper row of first terminals and the lower row of first terminals are staggered back and forth.

Preferably, the terminal ends of the upper row of first terminals are bent downward and bent upside down in the cable direction to form terminal connection portions, and the terminal connection portions are flush with the terminal ends of the lower row of first terminals.

Preferably, the angle of the downward bending of the upper row of first terminals is 15 ° to 65 °. The bending angle of the upper row of first terminals is determined according to the pitch, the staggered distance and other actual requirements of the terminals in the two rows of terminals.

Preferably, the both sides of shell are equipped with respectively and dodge the groove, and spacing connecting plate is located and dodges the inslot, and the middle part of shell is equipped with the accommodation hole. When the spring bolt withdraws or pops out, spacing connecting plate can slide between the inner wall of insulating pedestal and the tank bottom of dodging the groove along dodging the groove.

Preferably, the both ends of pulling the part are connected respectively in a pair of spacing connecting plate, and the middle part of pulling the part passes the accommodation hole and extends to the outside of shell, and the pulling part can drive the spring bolt of a pair of hasp subassembly and move in opposite directions, makes the spring bolt retract in the insulating block. When the bolt retracts into the insulating seat body, the bolt is still positioned in the bolt hole so as to avoid disengaging the bolt hole and being difficult to eject.

Preferably, the pulling part comprises a pair of connecting parts and pulling parts, the pulling parts are arranged between the connecting parts, each pulling part is connected to one limiting connecting plate, and the pulling parts penetrate through the accommodating holes.

Preferably, the connecting part and the limit connecting plate are integrally formed.

Preferably, the connecting part is made of soft material, and the connecting part and the pulling part are connected through assembling by screw thread, fixed pin, welding, gluing or injection molding.

Preferably, the limiting connecting plate is provided with a connecting hole, the connecting part of the pulling part is provided with a first limiting bulge, the connecting part of the pulling part is rotatably inserted into the connecting hole, and the first limiting bulge is respectively positioned on the outer side of the limiting connecting plate. The first limiting bulges are used for driving the limiting connecting plates to move, when the pulling part is pulled, the pair of first limiting bulges move oppositely to drive the limiting connecting plates to move oppositely, so that the spring bolts at the two ends of the insulating seat body are driven to move oppositely to be retracted into the insulating seat body, and when the pulling part is loosened, the spring bolts are automatically popped out by the elasticity of the elastic element to stretch out of the insulating seat body.

The connecting hole can be arranged in the middle of the limiting connecting plate or at the bottom of the limiting connecting plate, and when the connecting hole is located at the bottom of the limiting connecting plate, the connecting hole is communicated with the bottom surface of the limiting connecting plate so as to facilitate installation of the pulling part. The pulling part and the first limiting bulge are connected through threads and welding or are integrally formed.

Preferably, the connecting hole is communicated with the bottom surface of the limit connecting plate and is in a circular shape with an opening. During assembly, the end of the pulling member is pressed into the connecting hole through the opening.

Preferably, the pulling member is in a zigzag shape, an I-shape or other shapes that facilitate pulling of the middle portion connected to the two ends.

Preferably, the pair of connecting portions is integrally formed with the pulling portion.

Preferably, the pulling member is a pull rod or a pull tape.

Preferably, the both sides of insulating pedestal still are equipped with V type groove, and the first spacing arch that is located the spacing connecting plate outside can slide at the tank bottom in V type groove.

Preferably, the connecting part of the pulling part is provided with a second limiting bulge, and the second limiting bulge is positioned on the inner side of the limiting connecting plate. The pulling part and the second limiting bulge are connected through threads and welding or are integrally formed.

The utility model also provides a connector assembly, which comprises the plate end connector and the wire end connector.

Preferably, the plate end connector comprises an insulating shell and a second electric connection part arranged in the insulating shell, and lock holes are formed in two sides of the insulating shell;

when the line end connector is plugged into the board end connector, the second electric connection part is electrically connected with the first electric connection part, and the bolt can be outwards popped out from the insulator and inserted into the lock hole.

The quantity of lockhole and the quantity one-to-one of spring bolt, insulating housing are the cell type structure, and the end connector is located insulating housing after pegging graft with the end connector of board.

Preferably, the second electrical connection portion includes a double row of second terminals having a height difference at the top ends thereof, the height difference being 0.3mm to 3 mm.

Preferably, the second electrical connection portion includes a double row of second terminals, the double row of second terminals are arranged side by side, and the heights of the double row of second terminals are the same, so that the electrical performance is better.

When the wire end connector is plugged into the plate end connector, the ends of the first terminals in the upper row are electrically connected to the second terminals in one row, and the first terminals in the lower row are electrically connected to the second terminals in the other row.

Example 1

As shown in fig. 1 to 4, the present invention provides a wire end connector comprising an insulator 1, a first electrical connection part 2, a cable 3, a locking assembly 4 and a pulling member 5; the first electric connecting part 2 is arranged in the insulator 1, and the cable 3 is electrically connected to the first electric connecting part 2; the latch assembly 4 includes a latch tongue 41 provided at both ends inside the insulator 1; the pulling member 5 is connected to the latch assembly 4 and the latch 41 can be outwardly ejected from the insulator 1 and retracted by the pulling member 5.

In this embodiment, the latch assembly 4 further includes at least one pair of resilient connecting assemblies and at least one fixing assembly, the fixing assembly is fixedly connected in the insulator 1, and each fixing assembly is connected to a pair of resilient connecting assemblies.

The fixing assembly comprises a pair of fixing pieces 44, the fixing pieces 44 are fixedly connected in the insulator 1, and the opposite ends of the pair of fixing pieces 44 are respectively connected to an elastic connecting assembly.

The elastic connection assembly includes a first connection post 42 and an elastic element 43, the first connection post 42 is disposed at the inner side of the latch tongue 41, and the elastic element 43 is connected between the first connection post 42 and the fixing member 44.

In this embodiment, two pairs of elastic connection assemblies and a pair of fixing assemblies are provided, each fixing assembly is connected between one pair of elastic connection assemblies, and the two pairs of elastic connection assemblies are symmetrically arranged at two ends of the insulator and are respectively connected to the latch bolts 41 at the two ends. The latch tongue 41 is allowed to be ejected or retracted by the elastic connection assembly. The first connecting column 42 is extended by the elastic force of the elastic element 43 or retracted by the pulling member 5 to bring the latch tongue 41 to pop up or retract.

In the present embodiment, the elastic member 43 is a spring.

The fixing member 44 is provided with a second connecting column 47, and two ends of the elastic element 43 are respectively connected to the first connecting column 42 and the second connecting column 42.

In the present embodiment, the locking assembly 4 further includes a pair of limiting connection plates 45, and the first connection post 42 and the locking tongue 41 are respectively disposed on two opposite sides of the limiting connection plates 45.

The pair of limiting connecting plates 45 are symmetrically arranged at two ends of the insulator 1, the lock catch assembly 4 is provided with at least one pair of lock tongues 41, each pair of lock tongues 41 is respectively arranged at two ends of the insulator 1, each lock tongue 41 positioned at one end of the insulator 1 is arranged at one side surface of the limiting connecting plate 45 positioned at the end, and the first connecting column 42 of the elastic connecting assembly positioned at the end of the insulator 1 is arranged at the other side surface of the limiting connecting plate 45.

The spring bolt 41 is connected in the outside of limit connection board 45, and first spliced pole 42 is connected in limit connection board 45 inboard, and limit connection board 45 sets up inside insulator 1 for connect spring bolt 41 and first spliced pole 42.

In this embodiment, the locking assembly 4 has two pairs of locking tongues 41, the two pairs of locking tongues 41 are respectively disposed at two ends of the insulator 1, that is, two locking tongues 41 are respectively disposed at two ends of the insulator 1 and connected to the outer side of the limit connecting plate 45 at the end of the insulator 1, two first connecting posts 42 of the two pairs of elastic connecting assemblies are connected to the inner side of the limit connecting plate 45, and each first connecting post 42 is connected to the fixing member 44 through a spring 43.

In this embodiment, the limit connecting plate 45 is integrally formed with the latch 41 and the first connecting post 42 provided thereon.

In the present embodiment, the insulator 1 includes an insulating housing 11 and a shell 12, the shell 12 is disposed on the top of the insulating housing 11 and forms a mounting space with the insulating housing 11, and the locking assembly 4 is disposed in the mounting space.

The top of the insulating base 11 is provided with a plurality of positioning columns, the housing 12 is provided with a plurality of positioning holes, and the insulating base 11 and the housing 12 are connected with the positioning holes through the positioning columns in a hot-pressing manner.

The insulating base 11 is provided with a fixing groove 112 therein, and the fixing member 44 is disposed in the fixing groove 112.

In this embodiment, the fixing member is T-shaped, and the fixing groove 112 is also T-shaped to fit the shape of the fixing member 44.

The insulating base body 11 comprises two side end faces, a front end face, a rear end face, a top face and a bottom face, and the lock tongue is arranged on the two side end faces of the insulating base body 11.

Two side end faces of the insulating base body 11 are respectively provided with a lock tongue hole, and the lock tongue 41 can be popped out of the lock tongue hole or withdrawn from the lock tongue hole.

The top of the insulating base 11 is provided with a latch groove 111 recessed inwards, the housing 12 is fastened in the latch groove 111 to form an installation space, and the fixing groove 112 is disposed in the latch groove 111. The latch hole is located on the slot wall of the locking slot 111, and the top surface of the housing 12 is not higher than the top surface of the insulating base 11.

The bottom of the locking groove 111 is provided with a plurality of bosses which are spliced to form a fixing groove 112 for placing a fixing piece 44.

In this embodiment, the first electrical connection portion 2 includes a double row of first terminals, the double row of first terminals is located below the locking groove 111, one end of the cable 3 is electrically connected to the double row of first terminals, and the other end of the cable 3 is disposed outside the insulating base 11.

The cable 3 is electrically connected with the double-row first terminals through welding, and then an inner die is injected at the connecting position to form a whole. The connection between the front end face of the insulating base 11 and the bottom face of the insulating base 11 is a stepped structure. The insulating base 11 is provided with a receiving hole, and the receiving hole penetrates from the rear end face of the insulating base 11 to the stepped structure of the insulating base 11. The first electrical connection portion 2 is disposed in the receiving hole, and the receiving hole is located below the locking groove 111. The ladder structure comprises a first ladder layer and a second ladder layer from bottom to top, the double rows of first terminals comprise upper rows of first terminals and lower rows of first terminals, the lower rows of first terminals are arranged at the first ladder layer, and the upper rows of first terminals are arranged at the second ladder layer. The upper row of first terminals and the lower row of first terminals are staggered front and back. The tail ends of the upper row of first terminals are bent downwards and are turned and bent towards the cable direction to form terminal connecting parts, and the terminal connecting parts are flush with the tail ends of the lower row of first terminals.

In this embodiment, the angle of the downward bending of the upper row of first terminals is 30 °.

Avoidance grooves 121 are respectively formed in two sides of the shell 12, the limiting connecting plate 45 is arranged in the avoidance grooves 121, and a containing hole 122 is formed in the middle of the shell 12.

The two ends of the pulling part 5 are respectively connected to the pair of limiting connection plates 45, the middle part of the pulling part 5 penetrates through the accommodating hole 122 and extends to the outside of the housing 12, and the pulling part 5 can drive the locking tongues 41 of the pair of locking assemblies 4 to move oppositely, so that the locking tongues 41 retract into the insulating base body 11. When the latch 41 retracts into the insulating base 11, the latch 41 is still located in the latch hole so as not to disengage from the latch hole and be difficult to eject.

The pulling member 5 includes a pair of connecting portions and pulling portions, the pulling portions are provided between the pair of connecting portions, each of the pulling portions is connected to one of the limit connecting plates 45, and the pulling portion passes through the accommodating hole 122.

The limiting connecting plate 45 is provided with a connecting hole 46, the connecting part of the pulling part 5 is provided with a first limiting protrusion 51, the connecting part of the pulling part 5 is rotatably inserted into the connecting hole 46, and the first limiting protrusion 51 is respectively positioned on the outer side of the limiting connecting plate 45. The first limiting protrusions 51 are used for driving the limiting connecting plates 45 to move, when the pulling part 5 is pulled, the pair of first limiting protrusions 51 move in opposite directions to drive the limiting connecting plates 45 to move in opposite directions, so that the locking tongues 41 at two ends of the insulating base body 11 are driven to move in opposite directions to retract into the insulating base body 11, and when the pulling part 5 is loosened, the locking tongues 41 are automatically popped out by the elastic force of the elastic element 43 to extend out of the insulating base body 11.

In the present embodiment, the connection hole 46 is located at the bottom of the limit connection plate 45, and the connection hole 46 communicates with the bottom surface of the limit connection plate 45. The pulling member 5 is integrally formed with the first stopper protrusion 51. The connecting hole 46 communicates with the bottom surface of the stopper connecting plate 45 and has a circular shape with an opening. When assembled, the end of the pulling member 5 is pressed through the opening into the attachment hole 46.

In the present embodiment, the pulling member 5 has a zigzag shape. The connecting part and the pulling part are integrally formed. The pulling component is a pull rod.

In this embodiment, V-shaped grooves 113 are further disposed on two sides of the insulating base 11, and the first limiting protrusion 51 located outside the limiting connection plate 45 can slide on the bottom of the V-shaped groove 113.

Example 2

As shown in fig. 5 and 6, the line terminal connector according to embodiment 2 is different from embodiment 1 in that,

in this embodiment, the connecting portion of the pulling member 5 is provided with a second limiting protrusion 52, and the second limiting protrusion 52 is located inside the limiting connecting plate 45. The pulling member 5 is integrally formed with the second stopper protrusion 52.

Example 3

The line end connector according to embodiment 2 is different from embodiment 1 in that,

in the present embodiment, the connecting portion is integrally formed with the stopper connecting plate 45. The connecting part is made of soft materials and is connected with the pulling part through adhesive assembly.

Example 4

The line end connector according to example 4 is different from example 1 in that,

in this embodiment, the fixing assembly includes a fixing member 44, the fixing member 44 is fixedly connected in the insulator 1, and both ends of the fixing member 44 are respectively connected to a pair of elastic connection assemblies.

Example 5

The line end connector according to example 5 is different from example 1 in that,

in this embodiment, the first connecting column 42 is integrally formed with the latch tongue 41.

Example 6

The line end connector according to example 6 is different from example 1 in that,

in this embodiment, the limit connecting plate 45, the latch 41 and the first connecting post 42 are connected by welding.

Example 7

The line end connector according to example 7 is different from example 1 in that,

in the present embodiment, the insulation housing 11 is connected to the housing 12 by a snap.

Example 8

As shown in fig. 7 to 9, the present invention provides a connector assembly comprising a plate-end connector 6 and the wire-end connector of example 1.

In the present embodiment, the plate end connector 6 includes an insulating housing 61 and a second electrical connection portion 62 disposed in the insulating housing 61, and two sides of the insulating housing 61 are provided with locking holes 63;

when the wire end connector is plugged into the plate end connector 6, the second electrical connection part 62 is electrically connected to the first electrical connection part 2, and the latch 41 can be ejected out of the insulator 1 and inserted into the insertion hole 63.

The number of lockholes 63 and the number of spring bolts 41 one-to-one, insulating housing 61 is the cell type structure, and the line end connector is located insulating housing 61 after the end connector is pegged graft with board end connector 6.

In the present embodiment, the second electrical connection portion 62 includes two rows of second terminals, which are arranged side by side and have the same height. When the terminal connector is plugged into the board-side connector 6, the ends of the first terminals in the upper row are electrically connected to the second terminals in one row, and the first terminals in the lower row are electrically connected to the second terminals in the other row.

Example 9

The connector assembly according to embodiment 9 is different from embodiment 8 in that,

in the present embodiment, the second electrical connection portion 62 includes a double row of second terminals having a height difference at the tip thereof, the height difference being 1.6 mm.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (37)

1. A wire end connector characterized by comprising an insulator (1), a first electrical connection portion (2), a cable (3), a latch assembly (4) and a pulling member (5); the first electric connection part (2) is arranged in the insulator (1), and the cable (3) is electrically connected to the first electric connection part (2); the lock catch component (4) comprises lock tongues (41) arranged at two ends in the insulator (1); the pulling component (5) is connected with the lock catch component (4), and the lock tongue (41) can be ejected outwards from the insulator (1) and retracted under the action of the pulling component (5).

2. The wire end connector according to claim 1, characterized in that the locking assembly (4) further comprises at least one pair of elastic connection assemblies and at least one fixing assembly, the fixing assembly being fixedly connected within the insulator (1), each fixing assembly being connected to a pair of the elastic connection assemblies.

3. The wire end connector according to claim 2, characterized in that the fixing assembly comprises a fixing member (44), the fixing member (44) is fixedly connected in the insulator (1), and both ends of the fixing member (44) are respectively connected to a pair of the elastic connection assemblies.

4. The wire end connector according to claim 2, wherein the fixing assembly comprises a pair of fixing members (44), the fixing members (44) are fixedly connected in the insulator (1), and the ends of the pair of fixing members (44) facing away are respectively connected to one of the elastic connecting assemblies.

5. Terminal connector according to claim 3 or 4, characterized in that the elastic connection assembly comprises a first connection post (42) and an elastic element (43), the first connection post (42) being provided on the inner side of the locking tongue (41), the elastic element (43) being connected between the first connection post (42) and the fixing element (44).

6. The terminal connector according to claim 5, wherein the fixing member (44) is provided with a second connecting post (47), and both ends of the elastic member (43) are connected to the first connecting post (42) and the second connecting post (47), respectively.

7. The terminal connector according to claim 5, wherein the first connecting post (42) is integrally formed with the locking tongue (41).

8. The terminal connector according to claim 5, wherein the locking assembly (4) further comprises a pair of limit connection plates (45), the first connection post (42) and the locking tongue (41) being respectively provided on two opposite sides of the limit connection plates (45).

9. The terminal connector according to claim 8, wherein the limit connector plate (45) is integrally formed with the latch (41) and the first connector post (42) provided thereon.

10. Terminal connector according to claim 8, characterised in that the limiting connection plate (45) is connected by fitting to the locking tongue (41) and the first connection post (42) provided thereon.

11. The wire end connector according to claim 8, wherein the insulator (1) comprises an insulating seat (11) and a housing (12), the housing (12) is disposed on the top of the insulating seat (11) and forms a mounting space with the insulating seat (11), and the locking assembly (4) is disposed in the mounting space.

12. The terminal connector according to claim 11, wherein a plurality of positioning posts are disposed on a top of the insulating base (11), a plurality of positioning holes are disposed through the housing (12), and the insulating base (11) and the housing (12) are connected to each other through the positioning posts and the positioning holes by hot-pressing and inserting.

13. The terminal connector according to claim 11, wherein the insulating housing (11) is connected to the housing (12) by means of bolts or snap-fit.

14. The wire end connector of claim 11, wherein the insulating housing (11) has a fixing groove (112) formed therein, and the fixing member (44) is disposed in the fixing groove (112).

15. The wire end connector according to claim 14, wherein the insulating housing (11) comprises two side end faces, a front end face, a rear end face, a top face and a bottom face, and the locking tongue (41) is provided on the two side end faces of the insulating housing (11).

16. The wire end connector according to claim 15, wherein the two side end faces of the insulating base body (11) are respectively provided with a latch hole, and the latch (41) can be ejected out of or retracted from the latch holes.

17. The wire end connector according to claim 15, wherein the top surface of the insulative housing (11) is provided with an inwardly recessed latch groove (111), the housing (12) is latched to the latch groove (111) to form the mounting space, and the fixing groove (112) is disposed in the latch groove (111).

18. The wire end connector according to claim 17, characterized in that the first electrical connection (2) is a terminal or a circuit board.

19. The wire end connector according to claim 17, wherein the first electrical connection portion (2) comprises a double row of first terminals, the double row of first terminals being located below the locking groove (111), one end of the cable (3) being electrically connected to the double row of first terminals, the other end of the cable (3) being disposed outside the insulating housing (11).

20. The wire end connector according to claim 19, wherein the connection between the front end surface of the insulating housing (11) and the bottom surface of the insulating housing is a stepped structure.

21. The wire end connector of claim 20, wherein the ladder structure comprises a first and second series of steps from bottom to top, and wherein the double row of first terminals comprises an upper row of first terminals and a lower row of first terminals, the lower row of first terminals being disposed at the first series of steps, and the upper row of first terminals being disposed at the second series of steps.

22. The wire end connector of claim 21, wherein the upper row of first terminals and the lower row of first terminals are staggered front to back.

23. The wire end connector of claim 21, wherein the distal ends of the upper row of first terminals are bent downward and bent in a cable direction to form terminal connecting portions that are flush with the distal ends of the lower row of first terminals.

24. The wire end connector of claim 23 wherein the downward bend of the first row of terminals in the upper row is between 15 ° and 65 °.

25. The wire end connector according to claim 11, wherein avoidance grooves (121) are respectively formed at two ends of the shell (12), the limiting connection plate (45) is arranged in the avoidance grooves (121), and a containing hole (122) is formed in the middle of the shell (12).

26. The wire end connector according to claim 25, wherein both ends of the pulling member (5) are respectively connected to a pair of the limiting connection plates (45), the middle of the pulling member (5) extends to the outside of the housing (12) through the receiving hole (122), and pulling the pulling member (5) can drive the locking tongues (41) of the pair of locking assemblies (4) to move towards each other, so that the locking tongues (41) retract into the insulating base (11).

27. The wire end connector according to claim 26, wherein the pulling member (5) comprises a pair of connecting portions and a pulling portion, the pulling portion being disposed between the pair of connecting portions, each connecting portion being connected to one of the restraining webs (45), the pulling portion passing through the receiving hole (122).

28. The terminal connector according to claim 27, wherein the connecting portion is integrally formed with the restraining web (45).

29. The wire end connector of claim 28, wherein the connecting portion is made of a soft material, and the connecting portion and the pulling portion are connected by fitting.

30. The wire end connector according to claim 27, wherein a connecting hole (46) is formed in the limit connecting plate (45), a first limit protrusion (51) is formed on the connecting portion of the pulling member (5), the connecting portion of the pulling member (5) is rotatably inserted into the connecting hole (46), and the first limit protrusions (51) are respectively located on the outer sides of the limit connecting plate (45).

31. The terminal connector according to claim 30, wherein the connection hole (46) communicates with the bottom surface of the limit connection plate (45) and is circular with an opening.

32. The wire end connector of claim 27, wherein a pair of the connecting portions are integrally formed with the pulling portion.

33. The wire end connector according to claim 30, wherein a second limit projection (52) is provided on the connecting portion of the pulling member (5), the second limit projection (52) being located inside the limit connecting plate (45).

34. A connector assembly, comprising a plate end connector (6) and a wire end connector according to any one of claims 1-33.

35. The connector assembly according to claim 34, wherein the plate end connector (6) comprises an insulating housing (61) and a second electrical connection portion (62) arranged in the insulating housing (61), and lock holes (63) are arranged on two sides of the insulating housing (61);

when the wire end connector is plugged into the plate end connector (6), the second electric connecting part (62) is electrically connected to the first electric connecting part (2), and the bolt (41) can be ejected outwards from the insulator (1) and inserted into the lock hole (63).

36. The connector assembly according to claim 35, wherein the second electrical connection portion (62) comprises a double row of second terminals having a height difference at their tips, the height difference being 0.3mm-3 mm.

37. The connector assembly of claim 35, wherein the second electrical connection (62) comprises a double row of second terminals, the double row of second terminals being of the same height.

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