CN218039903U

CN218039903U - Connector unit and multilayer connector

Info

Publication number: CN218039903U
Application number: CN202221592374.3U
Authority: CN
Inventors: 王超; 张卫华; 卞道振; 陈�光; 王书建
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-13
Anticipated expiration: 2032-06-24
Also published as: WO2023246508A1

Abstract

The utility model discloses a connector unit and multilayer connector, wherein, the connector unit inner structure is simple, respectively through setting up the first accepting chamber and the second accepting chamber holding circuit board in the pedestal and connecting in conductive terminal's cable, when assembling, with the inner part directly correspond the first accepting chamber and the second accepting chamber of assembling in the pedestal after external crimping is accomplished, then with the lid lock on the pedestal, fix the cable through the fixed knot structure that sets up on lid and/or pedestal inner wall, this connector unit assembly simple process, can the effectual cost of labor that reduces; multilayer connector is formed by a plurality of connector unit concatenation combinations, and can dismantle the connection through the buckle and the draw-in groove structure realization of mutually supporting between the adjacent connector unit, and the user can splice into suitable multilayer connector structure with the connector unit according to the space size when using, and the suitability is strong, is fit for using widely on a large scale.

Description

Connector unit and multilayer connector

Technical Field

The present invention relates to a cable connector, and more particularly to a connector unit and a multilayer connector.

Background

The connector is mainly applied to various electronic systems as an electrical appliance connecting device: the connection between the components and the printed board or the conducting wire; the printed board is connected with the printed board and the printed board is connected with the conducting wire; the connection between the back plate and the back plate in the same case/cabinet; device-to-device connections, and the like.

When the connecting conductor in the traditional connector is fixed, the connecting conductor is generally fixed by adopting a pin type, insert Molding, TPA (thermoplastic elastomer) and other fixing modes, and because the connecting conductor and other parts in the traditional connector have higher requirements on the inner space of the plastic base, the problems of complex inner structure, complex assembly process and high labor cost exist in the assembly process of the connector with more parts; secondly, cavities for fixing the connecting conductors in the conventional connector are integrally formed by injection molding and can be realized by a complex mold, the cavities are complex in internal molding, burrs are easily generated after the mold is worn, the connecting conductors cannot be inserted, and the internal burrs cannot be easily detected, so that finished products of the connector cannot be qualified in batches and flow out; in addition, a multilayer connector structure is needed to be adopted according to the space size in some special occasions, however, when the traditional connector is spliced, a large number of screws or riveting structures are often needed, the fixing mode is complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a connector unit and a multilayer connector to solve the problems of the prior connector that the internal structure is complicated, the assembly process is complicated due to more parts, and the fixing manner of the conventional connector is complicated during the splicing process.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the connector unit comprises a seat body, at least one circuit board accommodated in the seat body and a cover body buckled at the top of the seat body, wherein the seat body is at least internally provided with a first accommodating cavity and a second accommodating cavity;

be provided with on the inner wall of lid and/or pedestal and be used for carrying out the fixed knot structure fixed to the cable, when the lid lock is at the top of pedestal, fixed knot constructs the outside of establishing at the cable.

In a preferred embodiment, an opening for a cable to pass through is opened at the front part of the seat body, and one end of the cable is received in the second receiving cavity after passing through the opening.

In a preferred embodiment, the cable is connected to the circuit board through the conductive terminal, and the second receiving cavity further includes a positioning member for positioning the mounting positions of the cable, the circuit board, and the conductive terminal.

In a preferred embodiment, a connecting portion between the conductive terminal and the circuit board is provided with a press-connection portion, the positioning member is a protruding rib vertically arranged along an inner wall of the second accommodating cavity, and a positioning area for positioning a position of the press-connection portion is formed between the protruding rib and the inner wall of the second accommodating cavity.

In a preferred embodiment, the circuit board has a plurality of circuit boards, and a plurality of circuit boards are arranged in parallel and at intervals, and each circuit board is vertically inserted into the first accommodating cavity.

In a preferred embodiment, two sides of each group of the connecting conductor structure composed of the circuit board, the conductive terminals and the cable are respectively provided with a vertical partition plate which is continuously distributed, one end of each conductive terminal connected with the cable extends out of the positioning area and then is bent towards one side far away from the convex rib, and finally is pressed on the inner side of the vertical partition plate.

In a preferred embodiment, the top of the first receiving cavity is in a dovetail shape which is tightened inwards.

In a preferred embodiment, the fixing structure includes a plurality of pressing blocks disposed at the bottom of the front end of the cover body and/or a plurality of fixing grooves disposed at the top of the front end of the seat body, and both the pressing blocks and the fixing grooves are distributed along the direction of the cable and are disposed opposite to each other.

In a preferred embodiment, at least one horizontal separation plate is arranged in the base body in a drawable manner, a plurality of middle clamping grooves are arranged at the top and the bottom of the horizontal separation plate, and the middle clamping grooves are respectively arranged corresponding to the pressing block and the fixing groove.

In a preferred embodiment, the bottom of the pressing block is provided with a pressing groove, and the shapes of the pressing groove, the fixing groove and the middle clamping groove are one or more of inwards concave arc shapes, inwards concave saw tooth shapes, inwards concave wave shapes and inwards concave step shapes.

The utility model provides a multilayer connector is formed by the concatenation combination of a plurality of foretell connector unit.

In a preferred embodiment, the detachable connection between adjacent connector units is achieved by means of a mutually cooperating snap and catch arrangement.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a connector unit inner structure is simple, through setting up the first accepting chamber and the second accepting chamber in the pedestal and holding the circuit board and connect in the cable of conductive terminal respectively, when assembling, corresponding first accepting chamber and the second accepting chamber of assembling in the pedestal after accomplishing the external crimping with the internals directly, then lock the lid on the pedestal, fix the cable through the fixed knot structure that sets up on lid and/or pedestal inner wall, this connector unit assembly simple process, can effectual reduction cost of labor;

2. the utility model discloses still have the setting element that is used for carrying on the location to the installation position of cable, circuit board and conductive terminal in the second accommodates the intracavity, the setting of setting element has improved the precision of installation on the one hand, on the other hand, has further reduced the degree of difficulty of assembly process;

3. the utility model provides a multilayer connector is formed by a plurality of connector element concatenation combinations, and realizes dismantling the connection through the buckle and the draw-in groove structure of mutually supporting between the adjacent connector element, and the user can splice into suitable multilayer connector structure with the connector element according to the space size when using, and the suitability is strong, is fit for using widely on a large scale.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a connector unit provided in the present invention;

FIG. 2 is an exploded view of the connector unit of FIG. 1;

fig. 3 is a schematic view showing an internal structure of the connector unit according to embodiment 1 after the cover is removed;

fig. 4 is a schematic structural view of a housing of the connector unit shown in fig. 1;

FIG. 5 is an enlarged partial schematic view at A in FIG. 3;

FIG. 6 is a schematic view of a cover of the connector unit shown in FIG. 1;

FIG. 7 is a schematic structural view of a connecting conductor structure consisting of a circuit board, conductive terminals and a cable;

FIG. 8 is a schematic view of a horizontal partition in the connector unit of FIG. 1;

fig. 9 is a schematic structural diagram of a multilayer connector provided by the present invention;

fig. 10 is an exploded view of a plurality of connector elements of the multi-layer connector of fig. 9.

The figures are labeled as follows:

10. a connector unit; 11. a second buckle; 12. a second card slot; 13. a connecting conductor structure;

20. a base body; 201. a first receiving cavity; 202. a second receiving cavity; 203. an opening; 204. a positioning member; 205. a horizontal partition plate; 206. a middle clamping groove; 207. a vertical partition plate;

30. a circuit board;

40. a cover body; 341. a first buckle; 342. a first card slot;

50. a cable;

60. a conductive terminal; 601. a crimping part; 602. a positioning area;

70. a fixed structure; 701. briquetting; 702. fixing grooves; 703. and (5) pressing the groove.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

Scheme 1

The connector unit 10, as shown in fig. 1-4, 6 and 7, includes a housing 20, at least one circuit board 30 accommodated in the housing, and a cover 40 fastened to the top of the housing, wherein the housing 20 has at least a first accommodating cavity 201 and a second accommodating cavity 202, the circuit board 30 is accommodated in the first accommodating cavity 201, the front portion of the circuit board extends into the second accommodating cavity 202, and is connected to a cable 50 having one end extending into the second accommodating cavity 202;

the inner wall of the cover 40 and/or the base 20 is provided with a fixing structure 70 for fixing the cable 50, and when the cover 40 is fastened to the top of the base 20, the fixing structure 70 is pressed on the outer side of the cable 50.

When the connecting conductor in the traditional connector is fixed, the connecting conductor is generally fixed by adopting a pin type, insert Molding, TPA (thermoplastic elastomer) and other fixing modes, and because the connecting conductor and other parts in the traditional connector have higher requirements on the inner space of the plastic base, the problems of complex inner structure, complex assembly process and high labor cost exist in the assembly process of the connector with more parts; the utility model provides a connector unit 10 inner structure is simple, accept chamber 202 holding circuit board 30 and connect in conductive terminal 60's cable 50 through setting up first accepting chamber 201 and second in pedestal 20 respectively, when assembling, with the internals directly outside after the crimping is accomplished correspond the equipment in pedestal 20 first accept chamber 201 and second accept in chamber 202, then with lid 40 lock on pedestal 20, fix cable 50 through setting up fixed knot structure 70 on lid 40 and/or pedestal 20 inner wall, this connector unit 10 assembles simple process, can effectual reduction cost of labor.

Further, as shown in fig. 1, an opening 203 for the cable 50 to pass through is opened at the front portion of the housing 20, and one end of the cable 50 is received in the second receiving cavity 202 after passing through the opening 203, where the opening 203 should be selected to be an open type, so that when assembling, the internal components and the cable 50 can be assembled in the first receiving cavity 201 and the second receiving cavity 202 in the housing 20 at one time after the external pressure connection is completed, and the assembling manner is simple and efficient.

In an embodiment, as shown in fig. 3 and fig. 6, strip-shaped first buckles 341 are symmetrically disposed on two sides of the bottom of the cover 40, and correspondingly, strip-shaped first slots 342 are symmetrically disposed on two sides of the top of the base 20, the first buckles 341 are matched with the first slots 342, the base 20 further has a window disposed on an outer side of the first slots 342 and communicated with the first slots 342, and when the first buckles 341 are clamped into the first slots 342, the first buckles 341 can be pressed at the window to unlock the cover 40 and the base 20.

In an embodiment, as shown in fig. 4, 5 and 7, the cable 50 is connected to the circuit board 30 through the conductive terminal 60, and meanwhile, the second accommodating cavity 202 further has a positioning element 204 for positioning the installation positions of the cable 50, the circuit board 30 and the conductive terminal 60, and the positioning element 204 is disposed, so that on one hand, the installation accuracy is improved, and on the other hand, the difficulty of the assembly process is further reduced.

In this embodiment, as shown in fig. 5 and 7, the circuit board 30 is a plate-shaped structure, preferably an FFC flexible board, and plays a role of signal conduction and conversion, and the free end thereof can be connected to a blind interface as required; the connecting portion of the conductive terminal 60 and the circuit board 30 is provided with a press-connection portion 601, the positioning member 204 is a protruding rib vertically arranged along the inner wall of the second accommodating cavity 202, a positioning area 602 for positioning the position of the press-connection portion 601 is formed between the protruding rib and the inner wall of the second accommodating cavity 202, when the assembly is performed, after the external press-connection of the internal parts and the cable 50 is completed, the circuit board 30 is correspondingly inserted into the first accommodating cavity 201, the cable 50 connected to the conductive terminal 60 is placed in the second accommodating cavity 202, the press-connection portion 601 is clamped in the positioning area 602, and the mounting positions of the cable 50, the circuit board 30 and the conductive terminal 60 are positioned through the protruding rib and the press-connection portion 601, so that the mounting accuracy can be effectively ensured.

The traditional connector generally adopts the technical scheme that the conductive terminals are manually taken and inserted into the hole cavity of the connector, so that the situation of wrong hole positions is easy to be inserted; the conventional automatic terminal plugging equipment clamps a cable and plugs the terminal into a hole cavity of the connector, and if the cable is soft or burrs exist in the hole cavity, the terminal can not be plugged smoothly, so that the terminal plugging failure of the whole connector is caused, and the efficiency of the whole production line is influenced. The utility model provides a connector element 10 is when assembling, can adopt automatic assembly, even use the connecting conductor structure 13 that the crimping was accomplished externally to the automation equipment centre gripping, and with circuit board 30, cable 50 and conductive terminal 60 correspond and insert first accepting chamber 201, the second is accepted in chamber 202 and the location area 602, then assemble pedestal 20 and lid 40 are automatic again, guarantee that conductive terminal 60 can both lay on the exact position of connector, and the production efficiency is improved, and the reject ratio is reduced.

In one embodiment, as shown in fig. 3 and 5, the circuit board 30 has a plurality of circuit boards 30, the circuit boards 30 are arranged in parallel and spaced apart from each other, and each circuit board 30 is vertically inserted into the first accommodating cavity 201.

Further, as shown in fig. 3 to 5, two sides of each group of the connection conductor structure 13 composed of the circuit board 30, the conductive terminals 60 and the cables 50 are provided with vertical partition plates 207 which are continuously distributed, and one end of each conductive terminal 60 connected with the cables 50 is bent from the positioning area 602 to the side away from the ribs, and is finally pressed inside the vertical partition plate 207.

Because the conductive terminal 60 is generally an elastic metal member, the end of the conductive terminal 60 connected to the cable 50 is bent from the positioning region 602 to the side away from the protruding rib, and the end of the conductive terminal 60 connected to the cable 50 is deformed by applying pressure to the conductive terminal 60 through the vertical partition plate 207, so that the end of the conductive terminal 60 connected to the cable 50 can be pressed on the inner side of the vertical partition plate 207 without other fixing members, and convenient installation is realized.

In one embodiment, as shown in fig. 5, the top of the first receiving cavity 201 is in a shape of a dovetail that is tightened inward, and the dovetail structure is configured to facilitate insertion and removal of the circuit board 30.

In one embodiment, as shown in fig. 3 and fig. 6, the fixing structure 70 includes a plurality of pressing blocks 701 disposed at the bottom of the front end of the cover 40 and/or a plurality of fixing grooves 702 disposed at the top of the front end of the seat 20, and the pressing blocks 701 and the fixing grooves 702 are distributed along the direction of the cable 50 and are disposed opposite to each other. Here, although the pressing block 701 and the fixing groove 702 may be provided by selecting one of them or by combining them, the fixing effect is most effective when the pressing block 701 and the fixing groove 702 are provided together.

Further, as shown in fig. 6, the bottom of the pressing block 701 is provided with a pressing groove 703, and the shape of the pressing groove 703 and the fixing groove 702 is one or more of an inwardly recessed arc shape, a zigzag shape, a wave shape and a step shape. The shapes of the pressing groove 703 and the fixing groove 702 may be the same or different, and both may be formed by combining the above-mentioned shapes, and in order to achieve the best use effect, the shape of the pressing groove 703 and the shape of the fixing groove 702 are set to be arc shapes that are matched with each other in this embodiment.

Scheme 2

The difference between the present solution and solution 1 is that, as shown in fig. 1, fig. 2 and fig. 8, at least one horizontal separation plate 205 is provided in the seat body 20 in a drawable manner, a plurality of middle slots 206 are provided at the top and bottom of the horizontal separation plate 205, the middle slots 206 are respectively provided corresponding to the pressing block 701 and the fixing slot 702, so that a channel for passing the cable is formed between the middle slot 206 and the pressing block 701, and between the middle slot 206 and the fixing slot 702, and when the cover body 40 is fastened to the top of the seat body 20, the cable 50 is pressed inside the channel through the middle slot 206, the pressing block 701 and the fixing slot 702; in order to ensure the stability of the horizontal separation plate 205 after insertion, slots can be formed in the vertical separation plate 207, or the slots matched with each other can be formed between the horizontal separation plate 205 and the vertical separation plate 207, so that a plurality of supporting points are provided for the vertical separation plate, and the vertical separation plate can be effectively prevented from deforming after being stressed for a long time, and further the fixing effect of the vertical separation plate on the cable is influenced.

Further, as shown in fig. 6, the bottom of the pressing block 701 is provided with a pressing groove 703, and the shapes of the pressing groove 703, the fixing groove 702 and the middle clamping groove 206 are all one or more of inward concave arc, zigzag, wave and step. The shapes of the pressure groove 703, the fixing groove 702 and the middle card groove 206 may be the same or different, and the three may be formed by combining the above shapes, and in order to achieve the best use effect, the shape of the pressure groove 703, the shape of the fixing groove 702 and the shape of the middle card groove 206 are set to be arc shapes which are matched with each other.

Scheme 3

The multi-layer connector of the present invention is formed by splicing and combining a plurality of the above-mentioned connector units 10, as shown in fig. 9 and 10. Here, the form of the splice combination is not limited to the form of splicing at the upper and lower end surfaces of the connector unit 10 shown in the drawings, and may be formed at the side surface of the connector unit 10.

In this embodiment, the adjacent connector units 10 are detachably connected by means of the mutually-matched snap and slot structures.

The following describes the splicing combination scheme of the present application, taking splicing at the upper and lower end faces of the connector unit 10 as an example:

in an embodiment, the mutually-matched buckle and slot structure includes a plurality of second buckles 11 disposed on the upper end surface of the lower connector unit 10 and a plurality of second slots 12 disposed on the lower end surface of the upper connector unit 10, the second buckles 11 and the second slots 12 are correspondingly disposed and mutually matched, and the plurality of connector units 10 are spliced and combined together through the second buckles 11 and the second slots 12.

Obviously, compared with the traditional connector, when the connector needs to be spliced according to the space size in some special occasions, a large number of screws or riveting structures are often needed, and the fixing mode is complex and the cost is high; the utility model provides a multilayer connector is formed by the 10 concatenation combinations of a plurality of connector element, and realizes dismantling the connection through the buckle and the draw-in groove structure of mutually supporting between the adjacent connector element, and the user can splice into suitable multilayer connector structure according to the space size when using, and the suitability is strong, is fit for using widely on a large scale.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. Connector unit, including the pedestal, accept at least one circuit board in the pedestal and the lid of lock at the pedestal top, its characterized in that: the seat body is at least internally provided with a first accommodating cavity and a second accommodating cavity, the circuit board is accommodated in the first accommodating cavity, the front part of the circuit board extends into the second accommodating cavity and is connected with a cable with one end extending into the second accommodating cavity;

be provided with on the inner wall of lid and/or pedestal and be used for carrying out the fixed knot structure fixed to the cable, when the lid lock was at the top of pedestal, fixed knot constructs the outside of pressing and establishing at the cable.

2. The connector unit according to claim 1, wherein: an opening for the cable to pass through is formed in the front of the seat body, and one end of the cable penetrates through the opening and then is contained in the second containing cavity.

3. The connector unit according to claim 1, wherein: the cable is connected with the circuit board through the conductive terminals, and a positioning piece used for positioning the installation positions of the cable, the circuit board and the conductive terminals is further arranged in the second accommodating cavity.

4. The connector unit according to claim 3, wherein: the connecting part of the conductive terminal and the circuit board is provided with a crimping part, the positioning piece is a convex rib vertically arranged along the inner wall of the second accommodating cavity, and a positioning area used for positioning the position of the crimping part is formed between the convex rib and the inner wall of the second accommodating cavity.

5. The connector unit of claim 4, wherein: the circuit board has a plurality ofly, and parallel and interval setting between a plurality of circuit boards, and each circuit board all inserts along vertical and locates the inside of first accepting the chamber.

6. The connector unit of claim 5, wherein: every group all is provided with the vertical division board of continuous distribution by the both sides of the connection conductor structure that circuit board, conductive terminal and cable are constituteed, and the one end that conductive terminal and cable link to each other is stretched out from the location area and is set up to the lateral buckling who keeps away from the fin to finally press and establish the inboard at vertical division board.

7. The connector unit according to claim 1, wherein: the fixing structure comprises a plurality of pressing blocks arranged at the bottom of the front end of the cover body and/or a plurality of fixing grooves arranged at the top of the front end of the base body, and the pressing blocks and the fixing grooves are distributed along the direction of the cable and are arranged oppositely.

8. The connector unit of claim 7, wherein: at least one horizontal partition plate is arranged in the seat body in a drawing mode, a plurality of middle clamping grooves are formed in the top and the bottom of the horizontal partition plate, and the middle clamping grooves correspond to the pressing block and the fixing groove respectively.

9. The connector unit of claim 8, wherein: the bottom of the pressing block is provided with a pressing groove, and the pressing groove, the fixing groove and the middle clamping groove are all in one or more of inwards-concave arc shapes, saw-tooth shapes, wave shapes and step shapes.

10. Multilayer connector, its characterized in that: assembled from a plurality of connector elements as claimed in any one of claims 1 to 9.

11. The multilayer connector of claim 10, wherein: the adjacent connector units are detachably connected through mutually matched buckles and clamping groove structures.