CN216390000U - Connector and false internal mold for isolating core wire current - Google Patents

Abstract

The utility model discloses a connector and a false inner mold for isolating core wire current, wherein the false inner mold is provided with isolation core wire current slots corresponding to wire inlet holes one to one, the inner wall of the false inner mold between the isolation core wire current slots plays the role of an isolation wall, the phenomenon of short circuit between core wires is prevented by a simpler and more stable structure, and the damage of a cable and the connector is avoided. Through the arrangement, the inner wall of the false inner die cannot be punctured by large current in the possible bearing range of the core wire, the quality of the connector product of the false inner die based on the isolated core wire current is improved, the stability and reliability of the connector are enhanced, and the service life is prolonged. During production and processing, the heat-shrinkable sleeves for preventing short circuit do not need to be respectively penetrated into each branch line one by one, the larger heat-shrinkable sleeves are not needed to be penetrated into the insulating layers of the core wires, the forming rubber plugs are not needed, the outer mold forming can be directly completed by utilizing the false inner mold, the redundant working procedures and material consumption are reduced, and the working efficiency is effectively improved.

Description

Connector and false internal mold for isolating core wire current

Technical Field

The utility model relates to the technical field of cable connectors, in particular to a connector and a pseudo internal mold for isolating core wire current.

Background

In the conventional production and processing procedure of the connector, after the core wires are stripped, the core wires are inserted into the terminals of the rubber cores, and the short circuit phenomenon is easily caused by the influence of the current between the two core wires of the terminal connecting wire, so that the damage of the cable and the connector is caused.

Therefore, during production and processing of the connector in the prior art, the heat-shrinkable sleeves for preventing short circuit are required to be respectively penetrated into the branch lines of the core wire one by one in the steps, the larger heat-shrinkable sleeves are required to be penetrated into the insulating layers of the core wires, then each branch line is correspondingly penetrated into the terminal of the rubber core, and the molding of the inner mold and the outer mold is sequentially carried out after the terminal hole of the rubber core is sealed by the molding rubber plug. This makes the production process very complicated, takes much time, and requires a high production cost, and the internal structure of the connector is also made messy.

Therefore, it is necessary to provide a new technical solution to replace the heat shrinkable sleeve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model adopts the following technical scheme:

the utility model provides a false inner die for isolating core wire current, wherein one end of the false inner die is provided with two wire inlet holes for respectively allowing core wires to penetrate, the other end of the false inner die is provided with two isolated core wire current slots which are in one-to-one correspondence with the wire inlet holes, and the two isolated core wire current slots are respectively communicated with the corresponding wire inlet holes and are used for enabling the corresponding core wires to extend out of the false inner die through the isolated core wire current slots.

Preferably, the two isolated core current slots are distributed in parallel at intervals along the thickness direction of the pseudo inner die to form a double-layer structure.

Preferably, the dummy inner mold is an inner mold member formed by an injection molding process.

The utility model also provides a connector, which comprises the fake inner mold for isolating the core wire current, a terminal connecting wire, a rubber core, an encapsulation inner mold and an encapsulation outer mold, wherein the terminal connecting wire comprises two core wires; the rubber core is clamped with the false inner die and comprises a plurality of terminal placing holes which are arranged in an array and correspond to the branch wires one by one, and the plurality of terminal placing holes are arranged at intervals so that the branch wires can penetrate through the terminal placing holes; the packaging inner die is used for packaging the intersection of the terminal connecting wire and the dummy inner die; the encapsulation external mold is used for encapsulating and wrapping the dummy internal mold, the encapsulation internal mold and the rubber core, and the terminal placing hole of the rubber core is exposed.

Preferably, a buckle pin structure is arranged at one end of the pseudo inner die where the isolation core wire current slot is located.

Preferably, the number of the buckle pin structures of the encapsulation internal mold corresponds to the terminal placing holes in the rubber core one by one, and the encapsulation internal mold is clamped and fixed with the terminal placing holes in the rubber core through the buckle pin structures.

Preferably, the core wire is equally divided into three paths of branch lines after penetrating through the dummy inner die, the number of the terminal placing holes is six, and the six terminal placing holes form double-layer array arrangement.

Preferably, the package inner die is an inner die integrally formed by an injection molding process, and is used for completely closing the intersection of the terminal connecting wire and the dummy inner die.

Preferably, the outer packaging mold is a coating shell which is integrally coated on the outer peripheries of the inner dummy mold, the inner packaging mold and the rubber core through an injection molding process after the inner packaging mold is molded.

The technical scheme of the utility model has the beneficial effects that:

the false inner die is used for isolating core wire current by directly arranging the slot position, the inner wall of the false inner die between the isolation core wire current slots plays a role of an isolation wall, the phenomenon that short circuit is easy to occur between two core wires of the terminal connecting wire is prevented by a simpler and more stable structure, the damage of a cable and a connector is avoided, through the arrangement, the inner wall of the false inner die cannot be punctured by large current in the possible bearing range of the core wires, the quality of a connector product of the false inner die based on the isolation core wire current can be effectively improved, the stability and the reliability of the connector are improved, and the service life of the product is prolonged;

when the connector is produced and processed, the heat-shrinkable sleeves for preventing short circuit do not need to be respectively penetrated into each branch line of the core wire one by one, the larger heat-shrinkable sleeves do not need to be penetrated into the insulating layers of the core wires, and the rubber plugs do not need to be formed to seal the terminal holes of the rubber cores, the rubber plugs can be assembled with the rubber cores through the false inner molds to play a role of preventing rubber impact, the inner molds and the outer molds are directly and sequentially formed, the redundant processes are reduced, the material consumption of the heat-shrinkable sleeves is reduced, the production time is greatly reduced, and the working efficiency is effectively improved;

the false inner die can be manufactured by a forming process consistent with the inner die and the outer die, and the production efficiency is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a pseudo internal model for isolating core current according to an embodiment of the present invention;

fig. 2 and 3 are perspective views of the inner prosthesis;

FIG. 4 is a front view of the pseudoinner mold with the end at which the current slot is located toward the isolation core being the front side;

fig. 5 is a schematic view illustrating an assembly of a dummy inner mold and a rubber core after a core wire is inserted into a connector according to an embodiment of the present invention;

FIG. 6 is a schematic view of the encapsulation and in-molding of the connector;

fig. 7 is a schematic view of the encapsulation overmolding in the connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the utility model shown in the drawings and described in accordance with the drawings are exemplary only, and the utility model is not limited to these embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps that are closely related to the solution according to the present invention are shown in the drawings, and other details that are not relevant are omitted.

Referring to fig. 1, an embodiment of the present invention provides a pseudo inner die 1 for isolating a core wire current, where one end of the pseudo inner die 1 is provided with two wire inlet holes 110 for respectively allowing a core wire 21 outside the pseudo inner die 1 to penetrate therethrough, the other end of the pseudo inner die 1 is provided with two isolated core wire current slots 120 corresponding to the wire inlet holes 110 one to one, and the two isolated core wire current slots 120 are respectively communicated with the corresponding wire inlet holes 110, so as to enable the corresponding core wire 21 to extend out of the pseudo inner die 1 through the isolated core wire current slots 120.

In the internal mold 1 provided in the embodiment of the present invention, the slot position is directly formed for isolating the core current, and the inner wall of the internal mold between the isolated core current slots 120 functions as an isolation wall, that is, the two isolated core current slots 120 are completely separated from each other and are not communicated with each other, as shown in fig. 2, the core 21 is completely isolated after passing through the two wire inlet holes 110 for branching respectively until the branching penetrates into the terminal placing hole of the rubber core connected to the internal mold 1.

Therefore, based on the connector of the false internal mold 1 of above-mentioned isolation heart yearn electric current to simpler but stable structure has realized preventing the phenomenon of taking place the short circuit easily between two heart yearns 21 of terminal connecting wire, avoid the destruction of cable and connector, through above setting, also can't puncture above-mentioned false internal mold inner wall at heart yearn 21 probably heavy current that bears the weight of the within range, can effectually promote the connector product quality based on the false internal mold 1 of above-mentioned isolation heart yearn electric current, the stability and the reliability of connector have been increased, product service life has been prolonged. When it carries out production and processing, need not to penetrate respectively to each branch line of heart yearn 21 one by one and be used for preventing the heat shrinkage bush of short circuit and penetrate bigger heat shrinkage bush on the insulating layer of heart yearn 21 to and do not need the terminal hole of shaping plug in order to seal the rubber core, it can pass through false centre form 1 assembles and plays the effect that the scour protection glued with the rubber core, directly accomplishes the shaping of centre form and external mold in proper order, has reduced miscellaneous process, has reduced the consumption of heat shrinkage bush material, has cut down production time by a wide margin, effectively improves work efficiency.

Referring to fig. 3 and 4, in this embodiment, two isolated core current slots 120 are spaced in parallel along the thickness direction of the pseudo inner die 1 to form a double-layer structure. The double-layer distributed isolation core wire current slot 120 structure is to correspond to the positions of the core wires and the branching thereof, and is convenient for threading, but the structural form of the isolation core wire current slot 120 in the false inner die 1 provided by the utility model is not limited to this, as long as the isolation core wire current slot 120 structure can form the slot structure of the isolation core wire 21, and the effect of avoiding short circuit is achieved.

Illustratively, the dummy inner mold 1 is an inner mold member formed by an injection molding process. The inner die 1 and the common inner die in the connector production and processing procedure are inner die parts with the same material, so the inner die 1 can be molded by the injection molding process, therefore, the inner die 1 can be molded by the same equipment directly, and the production efficiency is further improved. The dummy inner mold 1 in this embodiment is made of polycarbonate (PC material), so that it has sufficient stability.

As shown in fig. 5 to 7, the embodiment of the present invention further provides a connector.

Wherein the connector comprises the pseudo inner die 1 for isolating the core wire current, the terminal connecting wire 2, the rubber core 3, the packaging inner die 4 and the packaging outer die 5. The terminal connecting wire 2 comprises two core wires 21, and the core wires 21 are equally divided into multiple paths of branch wires 211 after penetrating through the dummy internal mold 1. Glue core 3 with 1 joint of false centre form, including a plurality of one-to-one correspondences of array setting hole 30 is placed to the terminal of separated time 211, and is a plurality of the terminal is placed and is carried out the interval setting between the hole 30 and for separated time 211 penetrates. As shown in fig. 6, the encapsulating inner mold 4 is used to encapsulate the intersection of the terminal connection lines 2 and the dummy inner mold 1, which is located at the rear end of the dummy inner mold 1 and is located before the terminal connection lines 2 start to penetrate into the dummy inner mold 1 in this embodiment. The encapsulation external mold 5 is used for encapsulating and wrapping the dummy internal mold 1, the encapsulation internal mold 4 and the rubber core 3, and the terminal placing hole 30 of the rubber core 3 is exposed so as to be inserted into the socket of the connector.

It can be seen that the above-mentioned dummy internal mold 1 is used as a component of the connector, so that the function of isolating the core wire current and the function of branching and guiding the core wire 21 of the terminal connecting wire 2 are realized, and no additional heat-shrinkable sleeve is needed, so that the structure of the connector is more simplified and stable.

Referring to fig. 3 and 5, in particular, a snap pin structure 121 is disposed at one end of the pseudo inner die 1 where the isolated core current slot 120 is located. Correspondingly, glue core 3 be provided with the joint structure of buckle stitch structure 121 butt joint, carry out seamless inseparable assembly between false centre form 1 and the glue core 3, realize the structure that galvanic isolation and scour protection glue.

Further, the number of the buckle pin structures 121 of the inner packaging mold 4 corresponds to the number of the terminal placing holes 30 on the rubber core 3, and the inner packaging mold 4 is clamped and fixed with the terminal placing holes 30 on the rubber core 3 through the buckle pin structures 121.

In this embodiment, the core wires 21 are equally divided into three branch lines 211 after passing through the dummy inner mold 1, the number of the terminal placing holes 30 is six, and the six terminal placing holes 30 form a double-layer array arrangement, that is, six terminal placing holes 30 are arranged at three intervals in each layer and are arranged in a double-layer array.

As shown in fig. 6, the encapsulating inner mold 4 is exemplarily an inner mold integrally molded by an injection molding process for completely closing the intersections of the terminal connection lines 2 and the dummy inner mold 1.

As shown in fig. 7, the external packaging mold 5 is a coating shell which is integrally formed and coated on the outer peripheries of the internal dummy mold 1, the internal packaging mold 4 and the rubber core 3 by an injection molding process after the internal packaging mold 4 is molded.

As an embodiment, a production process of the connector described above is explained below:

step S1 of peeling the wire rod outer sheath of the terminal connecting wire 2 to expose the core wire 21 and peeling the outer sheath of the core wire 21;

step S2, the terminal connecting wire 2 is penetrated through the dummy internal mold 1, the opening direction of the dummy internal mold 1 is opposite to the incision direction of the terminal connecting wire 2 after the opening direction of the dummy internal mold 1 is confirmed, and the dummy internal mold 1 is penetrated through one end of the terminal connecting wire 2;

step S3, crimping the split wires 211 of the core wire 21, and crimping the stripped split wires 211 to the terminals;

step S4, the rubber core 3 is penetrated, and the wire materials of the terminals which are well pressed and connected are sequentially inserted into the terminal placing holes 30 of the corresponding rubber core 3;

step S5: installing the false inner mold 1, aligning one end of the isolation core wire current slot 120 of the false inner mold 1 sleeved on the wire with the terminal placing hole 30 of the rubber core 3, and completely clamping one end of the isolation core wire current slot 120 of the false inner mold 1 into the rubber core 3;

step S6: forming the encapsulation inner die 4, and integrally forming the encapsulation inner die 4 by using a forming machine through an injection molding process to completely seal the joint of the terminal connecting wire 2 and the dummy inner die 1;

and S7, forming the packaging external mold 5, and directly performing integral forming of the packaging external mold 5 by using a forming machine through an injection molding process, so that the packaging internal mold 4 is coated on the peripheries of the dummy internal mold 1, the packaging internal mold 4 and the rubber core 3, and the connector device is protected.

In step S1, the operator needs to check the external appearance parameters such as the wire specification, color, and print sharpness before performing the operation, the core wire 21 cannot be damaged in the wire stripping process, the wire is stripped to 37 to 39mm in size, the core wire 21 is stripped to 14 to 16mm in length, and in step S5, the core wire 21 needs to be twisted before performing the terminal crimping to separate the multiple split wires 211. After crimping the terminals, the terminals need to be inspected, and the joint of the dummy die 1 and the rubber core 3 needs to be as seamless as possible.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (9)

1. The utility model provides an keep apart false centre form of heart yearn electric current, its characterized in that, two entrance holes (110) are seted up to the one end of false centre form (1) and are used for supplying heart yearn (21) to penetrate respectively, the other end of false centre form (1) seted up with the isolation heart yearn electric current fluting (120) of entrance hole (110) one-to-one, two keep apart heart yearn electric current fluting (120) and communicate with the entrance hole (110) that correspond respectively for make corresponding heart yearn (21) pass through keep apart heart yearn electric current fluting (120) and follow false centre form (1) extends out.

2. The pseudo internal mold for isolating core current according to claim 1, wherein two of the isolated core current slots (120) are spaced in parallel along the thickness direction of the pseudo internal mold (1) to form a double-layer structure.

3. The core current isolating pseudo inner die according to claim 1, wherein the pseudo inner die (1) is an inner die member formed by an injection molding process.

4. A connector, characterized in that the connector comprises:

a pseudo-internal model (1) for isolating core currents according to any of claims 1 to 3,

the terminal connecting wire (2) comprises two core wires (21), and the core wires (21) are equally divided into multiple paths of branch wires (211) after penetrating through the false inner die (1);

the rubber core (3) is clamped with the false inner die (1) and comprises a plurality of terminal placing holes (30) which are arranged in an array and correspond to the branching lines (211) one by one, and the terminal placing holes (30) are arranged at intervals so that the branching lines (211) can penetrate;

the packaging inner die (4) is used for packaging the intersection of the terminal connecting wire (2) and the dummy inner die (1);

and the encapsulation external mold (5) is used for encapsulating and wrapping the dummy internal mold (1), the encapsulation internal mold (4) and the rubber core (3) and exposing the terminal placing hole (30) of the rubber core (3).

5. Connector according to claim 4, characterized in that the end of the dummy inner mold (1) where the isolating core current slot (120) is located is provided with a snap pin structure (121).

6. The connector according to claim 5, wherein the number of the snap pin structures (121) of the inner mold package (4) corresponds to the number of the terminal placing holes (30) on the rubber core (3) one by one, and the inner mold package (4) is fixed with the terminal placing holes (30) on the rubber core (3) through the snap pin structures (121).

7. The connector according to claim 4, wherein the core wires (21) are equally divided into three-way branch wires (211) after passing through the dummy inner mold (1), the number of the terminal placing holes (30) is six, and the six terminal placing holes (30) form a double-layer array arrangement.

8. Connector according to claim 4, characterized in that the encapsulating inner mold (4) is an inner mold integrally molded by an injection molding process for completely closing the intersection of the terminal connection lines (2) with the dummy inner mold (1).

9. The connector according to claim 8, wherein the outer packaging mold (5) is a coating shell which is integrally coated on the outer peripheries of the inner dummy mold (1), the inner packaging mold (4) and the rubber core (3) through an injection molding process after the inner packaging mold (4) is molded.

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