CN219498457U

CN219498457U - Injection molding semi-finished product module for communication plug of generator inverter

Info

Publication number: CN219498457U
Application number: CN202320161487.6U
Authority: CN
Inventors: 王琰; 汪善平
Original assignee: Xuzhou Yuntai Precision Technology Co ltd
Current assignee: Xuzhou Yuntai Precision Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-08
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses an injection molding semi-finished product module for a communication plug of a generator inverter, which belongs to the technical field of manufacturing of communication plugs of generator inverters and comprises an insert I, wherein an insert II is arranged below the insert I, plastic is wrapped outside the insert I and the insert II to form a whole, and the insert I and the insert II are separated and insulated through the plastic; the end parts of the insert I and the insert II are exposed out of the outer surface of the plastic; the inserts I include 2 PIN needles, transversely are equipped with at least one linking arm between 2 PIN needles, and inserts II include 3 PIN needles, transversely are equipped with at least one connecting rod between 3 PIN needles, and the width of linking arm and connecting rod is not greater than the width of arbitrary PIN needle. Through the setting of linking arm and connecting rod, can make increase horizontal contact surface and area of contact between PIN needle and the plastic of moulding plastics for PIN needle is better with the gas tightness that the plastic combines after moulding plastics.

Description

Injection molding semi-finished product module for communication plug of generator inverter

Technical Field

The utility model belongs to the technical field of manufacturing of communication plugs of generator inverters, and particularly relates to an injection molding semi-finished product module for a communication plug of a generator inverter.

Background

The inverter communication socket of the new energy generator is a 5PIN input interface, as shown in fig. 1, therefore, 5PIN needles are configured on the communication plug adapted to the inverter communication socket, when the inverter communication plug of the new energy generator is manufactured, the inverter communication plug of the new energy generator is often subjected to two injection molding by an injection molding technology, namely, 5PIN needle inserts are molded to form an injection molding semi-finished product module for the first time, and then the injection molding semi-finished product module and two metal sleeve inserts 8 are molded in a second set of mold.

5PIN inserts used for injection molding the semi-finished modules. Two ends of each PIN needle insert respectively correspond to the PIN of 1 needle tower structure and the PIN of 1 plug structure, and as shown in fig. 2, each PIN needle insert is of an elongated strip-shaped structure. The inventor believes that the functional module has more stringent air tightness requirements on the product itself as a generator inverter communication plug. The joint of the PIN needle and the plastic in the plug can influence the bonding degree of the PIN needle and the plastic because the metal characteristic of the PIN needle and the material characteristic of the plastic, as shown in fig. 3, when in airtight test, the situation of failure caused by air leakage easily occurs, and the yield of products can be seriously influenced. For this purpose, it is necessary to design an injection-molded semifinished module for the communication plug of the generator inverter.

It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and thus may include information that does not constitute prior art.

Disclosure of Invention

The inventor finds that the PIN inserts are easily in gaps on the contact surface of the PIN inserts and injection molding plastic due to the influence of the metal characteristics of the PIN and the material characteristics of the injection molding plastic, so that the air tightness of the communication plug of the generator inverter is influenced, and the yield of the injection molding semi-finished product module of the communication plug of the generator inverter is reduced.

In view of at least one of the above technical problems, the present disclosure provides an injection molding semi-finished module for a communication plug of a generator inverter, which has the following specific technical scheme:

the injection molding semi-finished module for the communication plug of the generator inverter comprises an insert I, wherein an insert II is arranged below the insert I, plastic is wrapped outside the insert I and the insert II to form a whole, and the insert I and the insert II are separated and insulated through the plastic; the end parts of the insert I and the insert II are exposed out of the outer surface of the plastic; the inserts I include 2 PIN needles, transversely are equipped with at least one linking arm between 2 PIN needles, and inserts II include 3 PIN needles, transversely are equipped with at least one connecting rod between 3 PIN needles, and the width of linking arm and connecting rod is not greater than the width of arbitrary PIN needle.

In some embodiments of the present disclosure, the PIN is provided with a bend and/or a bend for the injection molded semi-finished module of the generator inverter communication plug.

In some embodiments of the present disclosure, the connecting arms and connecting rods are parallel to each other.

In some embodiments of the present disclosure, the connecting arm is perpendicular to the PIN needle.

In some embodiments of the present disclosure, the side wall of the PIN needle is provided with a step.

In some embodiments of the present disclosure, the side wall of the PIN needle is provided with a groove.

In some embodiments of the present disclosure, the grooves are 2mm long and 0.2mm deep in size.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the arrangement of the connecting arm and the connecting rod, the transverse contact surface and the contact area between the PIN needle and the injection molding plastic can be increased, so that the air tightness of the combination of the PIN needle and the plastic after the injection molding is better;

2. the PIN needle is not easy to generate axial movement after injection molding, so that the integrity is better;

3. the framework that five PIN needles were set up alone is integrated into two frameworks of inserts I and inserts II, has reduced the operation degree of difficulty of operation personnel when moulding plastics, and this disclosure only needs the position of adjustment inserts I and inserts II to realize that five PIN needle positions are fixed as required, shortens man-hour, has improved work efficiency and qualification rate, has reduced the requirement to operation personnel technical level and proficiency, has reduced the operation threshold.

Drawings

Fig. 1 is a perspective view of a communication plug of a generator inverter at a first viewing angle;

FIG. 2 is an exploded view of 5PIN PIN inserts inside the generator inverter communication plug of FIG. 1;

FIG. 3 is a schematic diagram of a related art injection molded semi-finished module for a generator inverter communication plug;

FIG. 4 is a schematic plan view of example 1 of an insert I in the structure of the present utility model;

FIG. 5 is a schematic plan view of example 2 of an insert I in the structure of the present utility model;

FIG. 6 is a schematic plan view of embodiment 2 of an insert II in the structure of the present utility model;

FIG. 7 is a perspective view of embodiment 3 of the insert I of the present utility model;

FIG. 8 is a perspective view of embodiment 3 of the insert II of the present utility model;

fig. 9 is a schematic perspective view of an injection molding semi-finished module embodiment 3 of the present utility model for a generator inverter communication plug before blanking;

fig. 10 is a schematic perspective view of an injection molding semi-finished module embodiment 3 for a generator inverter communication plug according to the present utility model after blanking.

The reference numerals in the figures illustrate: 1. an insert I; 11. a PIN needle; 12. a PIN needle; 2. an insert II; 21. a PIN needle; 22. a PIN needle; 23. a PIN needle; 3. a plastic cement; 4. a connecting arm; 5. a connecting rod; 61. a bending portion; 62. a bending part; 71. a step; 72. a groove; 8. a metal sleeve insert.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, reference should be made to the accompanying drawings in which embodiments of the utility model are shown, and in which it is apparent that some, but not all embodiments of the utility model are described.

The component parts themselves are numbered herein only to distinguish between the stated objects and do not have any sequential or technical meaning. In this disclosure, the term "coupled" includes both direct and indirect, "as used herein, unless specifically indicated otherwise. In the description of the present application, it should be understood that the azimuth or positional relationship indicated by the azimuth terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of description of the present application and brief description, and do not indicate or imply that the apparatus or unit referred to must have a specific azimuth, be constructed and operate in a specific azimuth, and therefore should not be construed as limiting the present application.

As shown in fig. 4 to 10 of the drawings, an injection molding semi-finished module for a communication plug of a generator inverter is designed, and comprises an insert I1, an insert II 2 is arranged below the insert I1, plastic 3 is wrapped outside the insert I1 and the insert II 2 to form a whole, and the insert I1 and the insert II 2 are separated and insulated through the plastic 3; the end parts of the insert I1 and the insert II 2 are exposed out of the outer surface of the plastic 3; the inserts I1 include PIN 11 and PIN 12, transversely be equipped with at least one linking arm 4 between PIN 11 and the PIN 12, inserts II 2 include PIN 21, PIN 22, PIN 23, PIN 21, PIN 22, transversely be equipped with at least one connecting rod 5 between the PIN 23, the width of linking arm 4 and connecting rod 5 is not greater than the width of any one of PIN 11, PIN 12, PIN 21, PIN 22, PIN 23, through linking arm 4 and connecting rod 5's setting, can make all PIN and the horizontal contact surface and area of contact between the plastic 3 that moulds plastics increase, make PIN and the gas tightness that plastic combines better after moulding plastics, PIN is difficult for producing axial displacement after moulding plastics, the wholeness is better, five PIN structures that establish alone are integrated into two structures of inserts I1 and II 2, the operation degree of difficulty when moulding plastics has been reduced the operating personnel, the position that only need adjust inserts I1 and II 2 can realize five PIN positions is fixed as required, the improvement, the work efficiency has been shortened, the requirement has reduced the technical grade of the threshold, the technical staff has reduced.

In the above embodiments, the above technical solutions are implemented by listing 3 examples:

example 1

As shown in fig. 4, the embodiment discloses an injection molding semi-finished module for a communication plug of a generator inverter, which comprises an insert i 1, an insert ii 2 is arranged below the insert i 1, a plastic 3 is wrapped outside the insert i 1 and the insert ii 2 to form a whole, and the insert i 1 and the insert ii 2 are separated and insulated through the plastic 3; the end parts of the insert I1 and the insert II 2 are exposed out of the outer surface of the plastic 3; the inserts I1 include PIN 11 and PIN 12, transversely be equipped with at least one linking arm 4 between PIN 11 and the PIN 12, inserts II 2 include PIN 21, PIN 22, PIN 23, PIN 21, PIN 22, transversely be equipped with at least one connecting rod 5 between the PIN 23, the width of linking arm 4 and connecting rod 5 is not greater than the width of any one of PIN 11, PIN 12, PIN 21, PIN 22, PIN 23, through linking arm 4 and connecting rod 5's setting, can make all PIN and the horizontal contact surface and area of contact between the plastic 3 that moulds plastics increase, make PIN and the gas tightness that plastic combines better after moulding plastics, PIN is difficult for producing axial displacement after moulding plastics, the wholeness is better, five PIN structures that establish alone are integrated into two structures of inserts I1 and II 2, the operation degree of difficulty when moulding plastics has been reduced the operating personnel, the position that only need adjust inserts I1 and II 2 can realize five PIN positions is fixed as required, the improvement, the work efficiency has been shortened, the requirement has reduced the technical grade of the threshold, the technical staff has reduced.

Wherein, the PIN needle 11 and the PIN needle 12 are provided with bending parts 61, the PIN needle 21, the PIN needle 22 and the PIN needle 23 are provided with bending parts 62, so that the outer end parts of the PIN needles keep a certain distance from each other, mutual interference is avoided, and meanwhile, the axial limit of the PIN needles can be increased, thereby further ensuring the air tightness and the integrity; the connecting arm 4 and the connecting rod 5 are parallel to each other, and the connecting arm 4 is perpendicular to the PIN needle 11 and the PIN needle 12, so that the semi-finished product is convenient to cut after injection molding;

example 2

As shown in fig. 5 to 6, this embodiment discloses an injection molding semi-finished module for a communication plug of an inverter of a generator, and the difference between this embodiment and embodiment 1 is that the side walls of the PIN needles 11, 12, 21, 22, 23 are provided with steps 71, so as to further ensure the tightness and the integrity of the combination of the PIN needles and the plastic.

Example 3

As shown in fig. 7 to 10, this embodiment discloses an injection molding semi-finished module for a communication plug of a generator inverter, and the difference between this embodiment and embodiment 2 is that the side walls of the PIN needles 11, 12, 21, 22, 23 are provided with 2 grooves 72, and the dimensions of the grooves 72 are 2mm long and 0.2mm deep, so as to increase the bonding degree between the plastic 3 and the metal, and solve the air leakage problem caused by the insufficient bonding degree of the plug.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An injection molding semi-finished product module for a generator inverter communication plug, which is characterized in that: the plastic insulation device comprises an insert I (1), wherein an insert II (2) is arranged below the insert I (1), plastic (3) is wrapped outside the insert I (1) and the insert II (2) to form a whole, and the insert I (1) and the insert II (2) are separated and insulated through the plastic (3); the ends of the insert I (1) and the insert II (2) are exposed out of the outer surface of the plastic (3); insert I (1) is including 2 PIN needles (11, 12), transversely is equipped with at least one linking arm (4) between 2 PIN needles (11, 12), and insert II (2) is including 3 PIN needles (21, 22, 23), transversely is equipped with at least one connecting rod (5) between 3 PIN needles (21, 22, 23), and the width of linking arm (4) and connecting rod (5) is not greater than the width of arbitrary PIN needle (11, 12, 21, 22, 23).

2. Injection-molded semifinished module for generator inverter communication plugs according to claim 1, characterized in that the PIN needles (11, 12, 21, 22, 23) are provided with bends (61) and/or bends (62).

3. Injection-molded semifinished module for generator inverter communication plugs according to claim 1, characterized in that the connecting arms (4) and connecting rods (5) are parallel to each other.

4. Injection-molded semi-finished module for a generator inverter communication plug according to claim 3, characterized in that the connecting arm (4) is perpendicular to the PIN PINs (11, 12).

5. Injection-molded semi-finished module for a generator inverter communication plug according to claim 1, characterized in that the side walls of the PIN needles (11, 12, 21, 22, 23) are provided with steps (71).

6. Injection-molded semi-finished module for a generator inverter communication plug according to claim 1, characterized in that the side walls of the PIN needles (11, 12, 21, 22, 23) are provided with grooves (72).

7. Injection-molded semi-finished module for a generator inverter communication plug according to claim 6, characterized in that the recess (72) has dimensions of 2mm long and 0.2mm deep.