CN216648652U - Conductive structure and electric connector - Google Patents

Abstract

The utility model is suitable for the technical field of electric connectors, and particularly relates to a conductive structure and an electric connector, wherein the conductive structure comprises: the device comprises a shell, a primary MOLDING module and a secondary conductive MOLDING module, wherein the two primary MOLDING modules are overlapped, and a conductive material is injection-molded through secondary MOLDING to obtain the secondary conductive MOLDING module; the secondary conductive MOLDING module is assembled in the shell, and the width range of the conductive trough is 1.00mm-1.20 mm. The embodiment of the utility model is beneficial to the full MOLDING of the conductive material during the secondary MOLDING MOLDING by widening the conductive material groove, and in addition, the problem of product short circuit caused by the connection of the conductive material and the narrow P terminal can be solved by arranging the ejector pin in the conductive material groove in the primary MOLDING module.

Description

Conductive structure and electric connector

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a conductive structure and an electric connector.

Background

The existing conductive connection structure can be provided with a mold thimble on the surface of a product, the thimble has small damage to the surface of a plastic part, and the conductive connection structure is suitable for the condition that the ejection part has precision and surface requirements. But the product surface sets up the mould thimble, and the place of mould thimble will produce deckle edge, and deckle edge can't stop completely, and electrically conductive material can flow into the technology groove of rear end pressure terminal along the deckle edge on the thimble, makes electrically conductive material and narrow P terminal link to each other, leads to the condition of short circuit to appear. In addition, the width of a conductive trough used for conductive materials is 0.45mm which is the same as the width of a through hole, and the conductive trough is narrow, so that the conductive materials are not easy to be fully molded by glue during secondary MOLDING MOLDING.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conductive structure, and aims to solve the problem that in the prior art, a conductive material overflows to a rear-end process groove along burrs due to the burrs of a thimble, so that short circuit occurs.

The present invention is achieved by providing a conductive structure comprising: the secondary conductive MOLDING module is obtained by secondary MOLDING and injection MOLDING of a conductive material;

wherein, once MOLDING module includes terminal group and electrically conductive silo, the electrically conductive material is moulded plastics two in the electrically conductive silo after once MOLDING module is folded mutually, the thimble setting of once MOLDING is in the electrically conductive silo, the assembly of the electrically conductive MOLDING module of secondary is in the casing, just electrically conductive silo width scope is 1.00mm-1.20 mm.

Further, the terminal group of the primary MOLDING module includes a plurality of regularly arranged wide P terminals and narrow P terminals.

Furthermore, the primary MOLDING module further comprises an injection MOLDING body for fixing the terminal set.

Further, the conductive groove is arranged on the injection MOLDING body of the primary MOLDING module.

Furthermore, one side of the injection MOLDING body of the primary MOLDING module is provided with a positioning column, the other side of the primary MOLDING module overlapped with the injection MOLDING body of the primary MOLDING module is provided with a positioning hole corresponding to the positioning column, and the two primary MOLDING modules are positioned and overlapped with the positioning hole through the positioning column.

Furthermore, a plurality of through holes are arranged on the injection MOLDING body of the primary MOLDING module respectively and correspond to the wide P terminals on the terminal group, the through holes lead to the conductive trough, the conductive material flows to the through holes after being injected into the conductive trough, and the conductive material is connected with the wide P terminals to realize conduction.

Furthermore, the shell is provided with an assembly cavity corresponding to the secondary conductive MOLDING module, and the secondary conductive MOLDING module is assembled in the corresponding assembly cavity.

Furthermore, contact holes are further formed in the side face of the shell, and the number of the contact holes corresponds to the number of the wide P terminals and the narrow P terminals in the terminal group.

Furthermore, a plurality of fixing buckles are respectively arranged on the injection MOLDING body of the primary MOLDING module, and corresponding clamping ports are arranged in the assembly cavity corresponding to the fixing buckles.

The utility model also provides an electrical connector comprising a conductive structure as described in any of the embodiments.

The conductive material groove is widened to 1.00mm-1.20mm under the conditions that the contact position area of the conductive material and the terminal in the terminal group is not changed and the function of a product is not influenced, and the widening of the conductive material groove is beneficial to full MOLDING of the conductive material during secondary MOLDING MOLDING; in addition, the ejector pins are arranged in the conductive material grooves, so that the conductive material cannot flow into the terminal pressing process grooves at the rear end through the ejector pin burrs during secondary MOLDING forming, and the problem of short circuit of a product caused by connection of the conductive material and the narrow P terminal is solved.

Drawings

FIG. 1 is an exploded view of a conductive structure provided by the present invention;

FIG. 2 is a block diagram of an assembly process for a conductive structure provided by the present invention;

FIG. 3 is a complete block diagram of one conductive structure provided by the present invention;

fig. 4 is a specific structural diagram of a 14P terminal secondary conduction MOLDING module provided by the utility model;

fig. 5 is a specific structure diagram of a 28P terminal primary MOLDING module provided by the present invention;

fig. 6 is another detailed structure diagram of a 28P terminal primary MOLDING module stacked with fig. 5 according to the present invention;

fig. 7 is a specific structural diagram of a 28P terminal secondary conduction MOLDING module provided by the utility model;

the module comprises a shell, a secondary conductive MOLDING module of 2 and 14P terminals, a primary MOLDING module of 21 and 14P terminals, a terminal group of 22 and 14P terminals, a primary MOLDING injection MOLDING body of 23 and 14P terminals, a conductive trough of 24 and 14P, a secondary conductive MOLDING module of 3 and 28P terminals, a primary MOLDING module of 31 and 28P terminals, a primary MOLDING module of 32 and 28P terminals, a primary MOLDNG injection MOLDING body of 33 and 28P terminals, a conductive trough of 34 and 28P, a conductive trough of 4, conductive materials, 5, through holes, 6, an assembly cavity, 7, contact holes, 8, fixed buckles, 9, clamping ports, 10, positioning columns, 11, positioning holes, 12 and a terminal pressing process groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the prior art, a mold thimble is arranged on the surface of a product, burrs are generated at the position of the mold thimble, and a conductive material flows into a process groove of a rear pressing terminal along the burrs on the thimble, so that the conductive material is connected with a narrow P terminal, and the short circuit is caused. And the width of a conductive trough usually used for conductive materials is 0.45mm and is narrow, and the problem that the conductive materials are not easy to be fully molded by glue during secondary MOLDING can occur. However, in the utility model, under the condition that the contact position area of the conductive material and the terminal in the terminal group is not changed and the product function is not influenced, the conductive material groove is widened to 1.00mm-1.20mm, and the widening of the conductive material groove is beneficial to the full MOLDING of the conductive material during the secondary MOLDING MOLDING; in addition, the ejector pins are arranged in the conductive material grooves, so that the conductive material cannot flow into the terminal pressing process grooves at the rear end through the ejector pin burrs during secondary MOLDING forming, and the problem of short circuit of a product caused by connection of the conductive material and the narrow P terminal is solved.

Example one

In this embodiment, there is provided a conductive structure comprising: the device comprises a shell 1, a primary MOLDING module and a secondary conductive MOLDING module, wherein the two primary MOLDING modules are overlapped, and a secondary conductive MOLDING module is obtained by secondary MOLDING and injection MOLDING of a conductive material 4;

the primary MOLDING module comprises a terminal group and a conductive trough, a conductive material 4 is injected into the conductive trough formed by overlapping two primary MOLDING modules, an ejector pin of the primary MOLDING module is arranged in the conductive trough, the secondary conductive MOLDING module is assembled in the shell 1, and the width of the conductive trough is 1.00-1.20 mm.

Referring to fig. 1, fig. 1 is an exploded schematic view of a conductive structure provided in this embodiment. The housing 1 is an insulating housing and is used for assembling each built-in module, i.e. the secondary conductive MOLDING module obtained by overlapping two primary MOLDING modules.

Specifically, each primary MOLDING module comprises a terminal group and an injection MOLDING body for fixing the terminal group, and the primary MOLDING module can be obtained by fixing the terminal group and the injection MOLDING body through primary MOLDING. And the terminal group comprises a plurality of regularly arranged wide P terminals (grounding terminals) and narrow P terminals (signal terminals), 2 narrow P terminals can be arranged between the wide P terminals and the narrow P terminals at intervals, and after conducting material is subjected to secondary MOLDING, the wide P terminals are connected with the wide P terminals, so that the conduction is realized by short circuit of the wide P terminals.

More specifically, the secondary conductive MOLDING module includes a 14P terminal secondary conductive MOLDING module 2 and a 28P terminal secondary conductive MOLDING module 3, and thus, the primary MOLDING module also includes two types: 1. a 14P terminal primary molting module 21; 2. the 28P terminal is the primary molting module 31. The terminal group comprises a 14P terminal group 22 and a 28P terminal group 32, and the injection molding body comprises a 14P terminal primary MOLIDING injection molding body 23 and a 28P terminal primary MOLIDING injection molding body 33.

Wherein, the shell 1 is provided with an assembly cavity 6 corresponding to the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary MOLDING module 3, and the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 are assembled in the correspondingly arranged assembly cavity 6. In the present embodiment, four mounting cavities 6 may be included on the housing 1 for mounting two 14P terminal secondary conductive MOLDING modules 2 and two 28P terminal secondary conductive MOLDING modules 3, respectively. The 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 are arranged at intervals, the assembly process diagram is shown in figure 2, and the final complete assembly diagram is shown in figure 3.

More specifically, a 14P conductive trough 24 is provided on each 14P primary terminal molting module 21, and a 28P conductive trough 34 is provided on each 28P primary terminal molting module 31. The conductive material is injected into the 14P conductive grooves 24 and 28P conductive grooves 34 formed by overlapping two primary MOLDING modules, the thimble on each module is respectively arranged in the corresponding 14P conductive grooves 24 and 28P conductive grooves 34 instead of being arranged on the surface of a product, and the rear end of the thimble is positioned in the terminal pressing technological groove 12. Therefore, the conductive material 4 is prevented from flowing into the rear-end terminal pressing process groove 12 along burrs due to the burrs on the ejector pin when the conductive material 4 is molded by secondary MOLDING, so that the conductive material 4 is connected with the narrow P terminal to cause short circuit.

In this embodiment, the widths of the 14P conductive troughs 24 and 28P conductive troughs 34 are also widened from 0.45mm to 1.00mm to 1.20 mm. The 14P conductive material grooves 24 and the 28P conductive material grooves 34 are widened, so that the conductive material 4 is more easily subjected to glue-running forming during secondary MOLDING forming of the conductive material 4, and the conductive material 4 is favorably fully formed.

In the embodiment of the utility model, under the condition that the contact position areas of the terminals in the secondary conductive MOLDING modules 2 and 3 of the conductive materials 4 and 14P terminals are not changed and the functions of products are not affected, the 14P conductive material grooves 24 and 28P conductive material grooves 34 are widened to 1.00-1.20 mm, so that the conductive materials 4 are molded and fully filled during secondary MOLDING MOLDING. In addition, the thimble is arranged in the 14P conductive groove 24 and the 28P conductive groove 34, so that the conductive material 4 cannot flow into the terminal pressing process groove 12 at the rear end through the burr of the thimble during secondary MOLDING, and the problem of short circuit of a product caused by connection of the conductive material 4 and a narrow P terminal is solved.

Example two

In this embodiment, on the basis of the first embodiment, the injection molded body of the primary MOLDING module is provided with positioning posts 10 on one side, the other side of the primary MOLDING module overlapped with the injection molded body is provided with positioning holes 11 corresponding to the positioning posts 10, and the two primary MOLDING modules are positioned and overlapped through the positioning posts 10 and the positioning holes 11.

Referring to fig. 5 and fig. 6, the structural diagrams of the 28P terminal primary MOLDING module 31 are shown respectively. The 28P terminal primary MOLDING module 31 in fig. 5 and 6 may be stacked. In fig. 5, a set of positioning posts 10 is disposed on the upper surface of the 28P terminal primary moling injection molded body 33, the number of the positioning posts 10 is 2, but may be 3, 4, 5, etc., and referring to fig. 6, a set of positioning holes 11 is disposed on the 28P terminal primary MOLDING injection molded body 33 of another time stacked with the 28P terminal primary MOLDING module 31 in fig. 5, and the number is the same as that of the positioning posts 10. The positioning post 10 can be inserted into the positioning hole 11 to form a fool-proof structure, and the two 28P terminal primary MOLDING modules 31 are positioned and overlapped, so that an overlapping error can be avoided.

Similarly, in the 14P primary terminal MOLDING module 21, the two stacked 14P primary terminal MOLDING modules 21 are provided with positioning columns 10 on one side of the 14P primary terminal MOLDING injection molded body 23 and corresponding positioning holes 11 on the other side, so that the 14P primary terminal MOLDING modules 21 are positioned and stacked to avoid stacking errors.

Furthermore, a plurality of fixing buckles 8 are respectively arranged on the injection MOLDING body of the primary MOLDING module, and corresponding clamping ports 9 are arranged in the assembly cavity corresponding to the positions of the fixing buckles 8.

Specifically, referring to fig. 4 and 7, the 14P terminal primary molding injection molded bodies 23 and 28P terminal primary molding injection molded bodies 33 are both provided with the fixing buckles 8, the number and the positions of the fixing buckles 8 can be set according to actual conditions, and in this embodiment, each of the 14P terminal primary molding injection molded bodies 23 and 28P terminal primary molding injection molded bodies 33 is provided with 2 fixing buckles 8. The fixing buckle 8 comprises an inclined plane, a plane and a transition surface connecting the inclined plane and the plane, and the transition surface is in a certain radian. Therefore, the positions of the 14P terminal primary MOLIDING injection MOLDING body 23 and the 28P terminal primary MOLDING injection MOLDING body 33 corresponding to the fixed buckle 8 are respectively provided with the clamping ports 9 on the upper and lower surfaces of the inner side of each assembly cavity 6 of the shell 1, the structure of each clamping port 9 corresponds to that of the fixed buckle 8, interference fit can be achieved, and disassembly and assembly are facilitated under the action of external force.

In this embodiment, the positioning posts 10 and the positioning holes 11 are respectively disposed on the 14P primary MOLDING injection-molded body 25 and the 28P primary MOLDING injection-molded body 33 to form a fool-proof structure, so that the two overlapping primary MOLDING modules can be prevented from being overlapped incorrectly. After superposition, a 14P terminal secondary conductive MOLDING module 2 and a 28P terminal secondary conductive MOLDING module 3 are respectively formed, a 14P conductive trough 24 and a 28P conductive trough 34 are subjected to secondary MOLDING MOLDING of a conductive material 4, and the conductive material is connected with a grounding wide P terminal to enable the wide P terminal to be short-circuited to realize conduction. Secondly, all be provided with fixed buckle 8 on 14P terminal MOLIDING injection MOLDING 23 and 28P terminal MOLIDING injection MOLDING 33, two overlapping MOLDING respectively simultaneously set up 2 fixed buckles 8 and simultaneously set up 3 fixed buckles 8, play the foolproof effect, avoid packing into the casing fashionable dress and turning over. The clamping ports 9 are formed in the positions, corresponding to the fixing buckles 8, of the upper surface and the lower surface of the assembly cavity, so that the assembly of the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 and the shell 1 can be realized.

EXAMPLE III

In this embodiment, on the basis of the above embodiment, the injection molded body of the primary molting module is provided with a plurality of wide P terminals on the terminal group corresponding to the through holes 5, the through holes 5 lead to the conductive trough, the conductive material 4 flows to the through holes 5 after being injected to the conductive trough, and the conductive material 4 is connected with the wide P terminals to realize conduction.

As shown in fig. 4 and 7, the through holes 5 may be rectangular through holes. The through hole 5 arranged on the 14P terminal primary MOLDING injection molded body 23 leads to the 14P conductive groove 24, and the through hole 5 arranged on the 28P terminal primary MOLDING injection molded body 33 leads to the 28P conductive groove 34. Through with the once MOLDING module 21 coincide secondary injection moulding conducting material 4 of two 14P terminals, the once MOLDING module 31 coincide secondary injection moulding conducting material 4 of two 28P terminals, conducting material 4 is through moulding plastics to 14P conducting material groove 24 and 28P conducting material groove 34 in the flow to through-hole 5, and conducting material 4 is connected with wide P terminal in 14P conducting material groove 24 and 28P conducting material groove 34, makes wide P terminal short circuit realize switching on.

Further, contact holes 7 are provided on the side surface of the housing 1, and the number of the contact holes 7 corresponds to the number of the wide P-terminals and the narrow P-terminals on the terminal group.

As shown in fig. 2, the contact holes 7 are disposed on the upper and lower side surfaces of the housing 1, and the positions of the contact holes 7 correspond to the mounting cavities 6, the number of the contact holes 7 corresponding to each mounting cavity 6 is the same as the number of the terminals in the mounting cavity 6, that is, 14P terminal groups 22 correspond to 14 contact holes 7, and 14 contact holes 7 corresponding to another 14P terminal group 22 stacked on the other side of the mounting cavity 6 are symmetrically disposed. The contact portions of the wide P-terminal and the narrow P-terminal can be electrically contacted from the outside of the housing 1 through the contact holes 7. Similarly, 28P terminal groups 32 correspond to 28 contact holes 7, and 28 contact holes 7 corresponding to another 28P terminal group 32 are symmetrically arranged on the other side of the assembly cavity 6. Thus, the contact portions of the wide P-terminal and the narrow P-terminal can be electrically contacted from the outside of the housing 1 through the contact holes 7.

In this embodiment, through holes 5 are formed in the 14P terminal primary MOLDING injection molded body 23 and the 28P terminal primary MOLDING injection molded body 33 to respectively lead to the 14P conductive material grooves 24 and 28P conductive material grooves 34, when the conductive material 4 is injected by secondary injection MOLDING, the conductive material 4 flows to the through holes 5 after being injected into the 14P conductive material grooves 24 and 28P conductive material grooves 34, and the conductive material 4 is connected with the wide P terminal in the 14P conductive material grooves 24 and 28P conductive material grooves 34, so that the wide P terminal is short-circuited to realize conduction. Further, the contact hole 7 is provided to electrically contact the outside with the wide P-terminal and the narrow P-terminal.

Example four

In this embodiment, an electrical connector is further provided, which includes one of the conductive structures in any of the above embodiments.

Specifically, the electrical connector provided by this embodiment includes the above-mentioned conductive structure, and the conductive structure can be connected to an external device based on a connection line after being assembled. In the conductive structure, under the condition that the contact position areas of the terminals in the conductive material 4 and the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 are not changed and the product functions are not affected, the 14P conductive material grooves 24 and the 28P conductive material grooves 34 are widened to 1.00mm-1.20mm, so that the widening is beneficial to the forming and the saturation of the conductive material 4 during the secondary MOLDING forming. In addition, the thimble of the primary MOLDING is arranged in the 14P conductive groove 24 and the 28P conductive groove 34, so that the conductive material 4 cannot flow into the terminal pressing process groove 12 at the rear end through the thimble burr during the secondary MOLDING forming, and the problem of product short circuit caused by the connection of the conductive material 4 and the narrow P terminal is solved. Therefore, the electrical connector provided by the present embodiment can also achieve the above embodiments and achieve the corresponding technical effects.

In the embodiment of the utility model, under the condition that the contact position areas of the terminals in the conductive material 4 and the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 are not changed and the product functions are not influenced, the 14P conductive material grooves 24 and the 28P conductive material grooves 34 are widened to 1.00mm-1.20mm, so that the conductive material 4 is fully molded and fully beaten during secondary MOLDING MOLDING. In addition, the thimble is arranged in the 14P conductive material groove 24 and the 28P conductive material groove 34, so that the conductive material 4 cannot flow into the terminal pressing process groove 12 at the rear end through the burr of the thimble during secondary MOLDING MOLDING, and the problem of short circuit of a product caused by the connection of the conductive material 4 and a narrow P terminal is solved. And after the conductive material 4 is injected into the 14P conductive material grooves 24 and 28P conductive material grooves 34 and flows to the through hole 5 to be connected with the wide P terminal through secondary MOLDING forming, the wide P terminal can be short-circuited to realize conduction. In addition, two 14P terminal primary MOLDING modules 21 and two 28P terminal primary MOLDING modules 31 can be stacked by arranging the positioning columns 10 and the positioning holes 11; the 14P terminal secondary conductive MOLDING module 2 and the 28P terminal secondary conductive MOLDING module 3 can be assembled with the shell 1 by arranging the fixed buckle 8 and the clamping opening 9, and disassembly and assembly are facilitated.

The terms "comprising" and "having," and any variations thereof, in the description and claims of this application and the description of the figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electrically conductive structure, comprising: the device comprises a shell, a primary MOLDING module and a secondary conductive MOLDING module, wherein the two primary MOLDING modules are overlapped, and a conductive material is injection-molded through secondary MOLDING to obtain the secondary conductive MOLDING module;

the secondary conductive MOLDING module is assembled in the shell, and the width range of the conductive trough is 1.00mm-1.20 mm.

2. The conductive structure of claim 1, wherein said terminal group of said primary MOLDING module comprises a plurality of regularly arranged wide P terminals and narrow P terminals.

3. A conductive structure as in claim 1 wherein said primary MOLDING module further comprises an injection molded body to which said terminal set is secured.

4. A conductive structure as in claim 3 wherein said conductive trough is disposed on said injection molded body of said primary MOLDING module.

5. A conductive structure as set forth in claim 3, wherein the injection molded body of the primary molting module is provided with positioning posts on one side, and the side of the primary molting module overlapped with the injection molded body is provided with positioning holes corresponding to the positioning posts, and two primary molting modules are positioned and overlapped with the positioning holes through the positioning posts.

6. The structure of claim 3, wherein a plurality of through holes are respectively formed on the injection molded body of the primary MOLDING module, the through holes are communicated with the conductive trough, the conductive material flows to the through holes after being injected into the conductive trough, and the conductive material is connected with the wide P terminals to realize conduction.

7. A conductive structure as in claim 3 wherein said housing has a mounting cavity corresponding to said secondary conductive MOLDING module mounted therein.

8. A conductive structure as set forth in claim 2, wherein said case side is further provided with contact holes corresponding to the number of said wide P-terminals and said narrow P-terminals on said terminal group.

9. The structure of claim 7, wherein the injection-molded body of the primary MOLDING module is respectively provided with a plurality of fixing clips, and corresponding clipping openings are provided in the assembly cavity corresponding to the positions of the fixing clips.

10. An electrical connector comprising an electrically conductive structure as claimed in any one of claims 1 to 9.

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