CN112787141B - Information connector for vehicle and manufacturing method thereof - Google Patents

Abstract

The present invention provides an information connector for a vehicle and a method of manufacturing the same, wherein the information connector includes: at least two connection terminals and a fixed housing, wherein the fixed housing comprises at least two front end housings, at least two rear end housings, and a converging housing, wherein each of the connection terminals is fixed within the fixed housing, wherein a front portion of each of the connection terminals is fixed to each of the front end housings to provide an external connection of the front portion of the information connector, wherein a rear portion of each of the connection terminals is fixed to the rear end housing and is received in the converging housing, wherein each of the rear end housings and the converging housing are sealingly connected to form a rear portion of the information connector such that the rear portion of the connection terminal is sealingly wrapped.

Description

Information connector for vehicle and manufacturing method thereof

Technical Field

The invention relates to vehicle information network connection hardware, in particular to an information connector applicable to a heavy-duty car and a manufacturing method thereof.

Background

CAN network communication is generally used in vehicle control to monitor or command any measurement information or control information that CAN be electronic. A controlled local area network, such as a CAN network, is typically a multiplexed data system that requires multiple types of information to be transmitted over the same wire. A J1939 connector, as shown in fig. 1A and 1B, is suitable for use in a communication network for heavy vehicles or diesel engines. The Crimp (cold pressing technology) connection type hardware adopts a mode that a metal wire and a pin terminal are in pressure connection and then are assembled in an insulating plastic shell, and a large gap exists between the pin terminal and the plastic shell although the wiring quality is good. The tail end of the wire is provided with a reserved insulating sheath, but a plurality of wires still need to be fixed. That is, the pin terminals cannot be sealed directly outside the wires after assembly.

Specifically, in one prior art manufacturing method, as shown in fig. 2, the pin terminal is first crimped to the metal wire, and then the pin terminal is assembled in a fixed position as a front end. For example, in a 9P connector as shown in fig. 1A and 1B, nine of the pin terminals are required to be mounted in mounting holes at ABCDFEGHJ corresponding positions. Typically, nine colors of black, red, orange, yellow, brown, blue, violet, and gray are also required for the nine wire insulation appearances to be identified. After assembly, AB glue is added to the joint, and after drying and stabilization, a sealing ring is installed for blocking. And under the condition of ensuring that the gap is sealed, the lead and the rear end of the shell are subjected to injection molding together to form the complete plastic insulating sheath of the connector.

If the glue is not completely blocked in the dispensing step, the glue is likely to enter the pin terminal in the subsequent injection molding step, so that conduction cannot be realized or poor contact is caused, namely, defective products are likely to occur. Because the injection molding step is irreversible, the defective products cannot be saved once the defective products appear. Moreover, the whole connector production process not only requires perfection of the preamble steps, but also does not find problems until the final inspection step, and for each acceptable product, the time costs and the capital costs increase due to the presence of defective products. More specifically, in the existing injection molding step, since the mold equipment is injected into the cavity through high pressure, the rubber in the cavity has good fluidity, and the rubber is extruded laterally toward the pin terminals due to the single-flow impact. If the glue flows to the functional area of the pin terminal and solidifies, the function of the pin terminal will be affected, the communication functionality will be lost, and defective products will be increased.

Moreover, injection molding requires a certain filling rate, i.e. a sufficient sealing of a plurality of said wires. The fully filled connector is uniform and attractive in appearance, and the connector can avoid breakage of the wires inside due to uneven stress in the use process. There are many finished connectors that do not have a long life because they are pulled or bent, resulting in breakage of the wires inside.

Filling rate and good conductivity are two properties that are contradictory in the prior art. The more complete the filling is in the injection molding step, the more defective products are likely to appear, whereas the more attentions are paid to avoiding the functional area of the pin terminal, the more filling gaps are likely to appear, and the service life is reduced.

Disclosure of Invention

A main advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which the information connector can be manufactured with a good filling rate while avoiding an influence on a conductive function without increasing an additional manufacturing time.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, wherein the information connector includes at least two connection terminals, and is capable of simultaneously connecting at least two or more connectors of other adaptations.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, wherein the information connector includes a male connection terminal and a female connection terminal, which can provide an interface for connecting connectors of different needs.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which a convergent shell is formed at a rear portion of a connection terminal by direct injection molding without an additional plugging step after assembly, thereby reducing the operational trouble.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which overfilling is effectively avoided in injection molding, protecting the communication capability of the connection terminal.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which the chance of glue flowing into the connection terminal position is reduced, the production yield is improved, and the cost of a good product is reduced.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same in which surrounding injection molding is used to improve the filling degree of a glue.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which surrounding injection molding is used to avoid accidental flow of glue and to improve manufacturing yield.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which surrounding injection molding is used to avoid excessive flow rate of glue and adverse effect on the connection terminals.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which a post-assembly process is reduced, and the information connector manufactured as a finished product is directly injection-molded, thereby shortening a process time and improving a production efficiency.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which the rear end of each of the connection terminals is sufficiently sealed and insulated to protect the internal functions from damage during use, and to ensure the service life of the information connector.

Another advantage of the present invention is to provide an information connector for a vehicle and a method of manufacturing the same, in which both the filling degree and the functional reliability are sufficiently achieved without sacrificing one, so that the information connector has a great stable quality advantage.

Other advantages and features of the present invention will become more fully apparent from the following detailed description, and may be learned by the practice of the invention as set forth hereinafter.

In accordance with one aspect of the present invention, an information connector for a vehicle of the present invention capable of achieving the foregoing and other objects and advantages includes: at least two connection terminals and a fixed housing, wherein the fixed housing comprises at least two front end housings, at least two rear end housings, and a converging housing, wherein each of the connection terminals is fixed within the fixed housing, wherein a front portion of each of the connection terminals is fixed to each of the front end housings to provide an external connection of the front portion of the information connector, wherein a rear portion of each of the connection terminals is fixed to the rear end housing and is received in the converging housing, wherein each of the rear end housings and the converging housing are sealingly connected to form a rear portion of the information connector such that the rear portion of the connection terminal is sealingly wrapped.

According to an embodiment of the present invention, wherein the converging shells are injection-molded to each of the rear end shells such that the rear portions of the connection terminals located at the rear end shells are hermetically wrapped.

According to one embodiment of the invention, wherein the information connector further comprises at least two substrates, wherein the substrates are mounted to the front end housing, wherein each of the connection terminals is mounted to the corresponding substrate.

According to one embodiment of the invention, the stationary housing is injection molded in a tree shape.

According to one embodiment of the invention, the stationary housing is injection molded in a Y-shape or a T-shape.

According to one embodiment of the invention, the fixed housing further comprises a wire housing extending from the converging housing to wrap around the rear of the connection terminal.

According to one embodiment of the invention, wherein the base plate comprises a plurality of positioning holes, wherein the connection terminals pass through the positioning holes from the rear of the front end housing to the front of the front end housing.

According to one embodiment of the invention, the front end housing comprises a housing and a base portion, the housing extending from the base portion and defining an access cavity between the housing and the base portion, the housing having an access opening such that the connection terminal can be connected to the outside through the access opening after being mounted in the access cavity.

According to one embodiment of the invention, the rear end housing includes a receiving hood and an outer connecting portion, wherein the receiving hood is extended from the base portion of the front end housing and defines a receiving cavity between the receiving hood and the front end housing, so that the plurality of connection terminals can be gathered in the receiving cavity after being mounted.

According to one embodiment of the invention, the outer connection portion extends outwardly from an outer surface of the housing cover for integrally mounting the information connector.

According to another aspect of the present invention, there is further provided a method of manufacturing an information connector for a vehicle, comprising the steps of:

Assembling at least two connection terminals to a corresponding front end housing such that a rear portion of each of the connection terminals is received in a rear end housing connected to the front end housing;

pre-fixing the rear part of the connecting terminal of each rear end shell into a bundle;

Placing the connecting terminals in an injection molding cavity so that the relative positions among a plurality of the connecting terminals are fastened;

Injecting glue material around the rear parts of the plurality of connecting terminals; and

After waiting for the compound to cure, it is demolded.

Further objects and advantages of the present invention will become fully apparent from the following description and the accompanying drawings.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.

Drawings

Fig. 1A and 1B are schematic views of a prior art connector for heavy duty car communications.

Fig. 2 is a prior art method of manufacturing the connector.

Fig. 3A and 3B are schematic views of an information connector according to a preferred embodiment of the present invention.

Fig. 4 is a schematic view of the use of the information connector according to the above preferred embodiment of the present invention.

Fig. 5 is a schematic view of the use of the information connector according to the above preferred embodiment of the present invention.

Fig. 6 is a flow chart of a method of manufacturing the information connector according to a preferred embodiment of the present invention.

Fig. 7 is a schematic view of a method of manufacturing the information connector according to the above preferred embodiment of the present invention.

Fig. 8 is a schematic mold diagram of a method of manufacturing the information connector according to the above preferred embodiment of the present invention.

Fig. 9 is a schematic mold diagram of a method of manufacturing the information connector according to the above preferred embodiment of the present invention.

Fig. 10A to 10C are flow charts of the method of manufacturing the information connector according to the above preferred embodiment of the present invention.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

The present invention provides an information connector and a method of manufacturing the same, as shown in a preferred embodiment provided in fig. 3A to 10C. In particular, the information connector is suitable for use in a communication network of a vehicle as the connection hardware. It should be noted that the model, the make and the application scenario of the preferred embodiment are all convenient for describing the technical scheme of the present invention, and are not made for a specific type. The preferred embodiment is exemplified by one type, and other types may be suitably practiced within the scope of equivalent implementations.

The information connector 10 includes at least two connection terminals 11 and a fixed housing 13, wherein each of the connection terminals 11 is assembled and wrapped around the fixed housing 13. The connection terminals 11 are each elongated, and have one end of the connection terminal 11 which is required to be connected to the outside as a front portion and one end which extends opposite to the connection terminal as a rear portion.

The fixed housing 13 further includes a front end case 131 corresponding to each of the connection terminals 11, a rear end case 132 corresponding to each of the front end cases 131, and a converging case 133, wherein each of the connection terminals 11 is assembled to the front end case 131 for further connection of the front portions of the connection terminals 11 from the front end case 131 to the outside, wherein the rear end case 132 is extended to the front end case 131 to receive the rear portions of the connection terminals 11 therein, and wherein the converging case 133 is extendedly formed to each of the rear end cases 132 and wraps the rear portions of the plurality of connection terminals 11 therein. The connection terminals 11 may be of the same type so that at least two more connectors of other adaptations can be connected simultaneously.

As shown in fig. 3A and 3B, the front portion of each of the connection terminals 11 of the information connector 10 is exposed from the front end housing 131, and the rear portion of each of the connection terminals 11 is sealed to the converging housing 133. It should be noted that the convergence housing 133 does not fix only the rear portion of the connection terminal 11, but also fixes the relative positions between the plurality of rear end housings 132 so that the rear end housings 132 are fixed together with the rear portion of the connection terminal 11. Preferably, the rear end case 132 is sealed by the converging case 133, so that the rear end case 132 does not need to be additionally fixed to the connection terminal 11.

That is, the rear end case 132 may be incompletely sealed to the connection terminal 11, and further the rear portion of the connection terminal 11 is sealed by the converging case 133 being hermetically formed at the rear end case 132 and wrapping the connection terminal 11. Preferably, the connection terminal 11 has a certain gap with respect to both the front end case 131 and the rear end case 132, ensuring a good heat dissipation environment during use. More preferably, the rear end shell 132 has a space therein to assist heat dissipation, rather than collecting within the stationary housing 13.

Further, the connection terminal 11 further includes a metal interface 111 and a transmission line 112, wherein the metal interface 111 and the transmission line 112 are press-bonded to each other, wherein the metal interface 111 is mounted to the front end case 131 so as to be connectable to the outside, wherein the transmission line 112 is mounted and received in the rear end case 132. It should be noted that the transmission lines 112 of all the connection terminals 11 at the rear are fixed to the convergence housing 133.

In the present preferred embodiment, the transmission line 112 of the connection terminal 11 is completely shielded. The transmission line 112 extending from the connection terminal 11 is sequentially restrained by the rear end case 132 and fixed in position by the convergence case 133 from the front end case 131. The convergence housing 133 integrally and uniformly encloses the transmission lines 112 of the plurality of connection terminals 11.

Specifically, the connection terminal 11 further includes a top end cap 113 fixed to the outer end portion of the metal interface 111 such that the surface of the metal interface 111 to which the outside is connected is protected.

In the preferred embodiment, the information connector 10 is of the J1939 type. That is, it is necessary that nine of the connection terminals 11 are fixed within one of the front-end housing 131 and the rear-end housing 132 and arranged in a certain order and standard. The metal interface 111 of each of the connection terminals 11 is mounted to the corresponding front end housing 131, and the transmission line 112 of each of the connection terminals 11 extends from the metal interface 111 of the connection terminal 11 into the convergence housing 133. As required, some of the transmission lines 112 of the connection terminals 11 are connected from one of the metal interfaces 111 to another adjacent to the metal interface 111, and some of the transmission lines 112 extend from the metal interface 111 to the rear of the information connector 10. However, the transmission lines 112 of the connection terminals 11 extending from the rear end case 132 are all wrapped and protected by the convergence housing 133. That is, the extending direction of the transmission line 112 of the connection terminal 11 is not limited, but the transmission lines 112 of the connection terminal 11 are sufficiently sealed.

Further, the front end housing 131 includes a housing 1313 and a base portion 1316, wherein the housing 1313 extends from the base portion 1316 and defines an access chamber 1314 between the housing 1313 and the base portion 1316. The housing 1313 preferably extends outwardly and expands to define the access chamber 1314 in a generally cylindrical shape. The front end housing 131 has an access opening 1315 so that the further information connector 10 can contact the connection terminal 11 from the access opening 1315.

Further, the rear end housing 132 includes a housing cover 1323, wherein the housing cover 1323 extends from the base portion 1316, and a housing cavity 1324 is defined between the housing cover 1323 and the base portion 1316, so that the housing cavity 1324 accommodates the transmission lines 112 of the plurality of connection terminals 11 therein. The rear housing 132 has a wire outlet 1325 such that the metal interface 111 of the connection terminal 11 extends out of the access opening 1315 of the front housing 131 for connection, and the transmission line 112 extends out of the wire outlet 1325 of the rear housing 132 for being secured to the converging housing 133.

The information connector 10 further includes a substrate 12 corresponding to each of the connection terminals 11, wherein each of the connection terminals 11 is fixed to the substrate for providing a relatively determined position between the plurality of connection terminals 11. The substrate 12 is mounted to the base portion 1316 of the front end case 131. The substrate 12 further includes at least two of the positioning holes 121, wherein the positioning holes 121 correspond to each of the connection terminals 11.

The metal interface 111 of the connection terminal 11 is fixed to the positioning hole 121 of the substrate 12 and extends to the access cavity 1314 of the front end housing 131. Further, the portion of the metal interface 111 connected to the outside is protected by the top cap 113. The transmission line 112 of the connection terminal 11 extends rearward from the substrate 12, passes through the base portion 1316 of the front end housing 131, and enters the receiving cavity 1324 of the rear end housing 132. The transmission line 112 of the connection terminal 11 is spaced apart from the base portion 1316 or the housing cover 1323 by a predetermined distance, and is not fixed to be abutted against the front end case 131 or the rear end case 132. The transmission line 112 of the connection terminal 11 is fixed to the front end case 131 or the rear end case 132 with a certain distance maintained by the convergence case 133. The converging case 133 not only seals the wire outlet 1325 of the rear end case 132 but also fills the gaps between the transmission lines 112 of the plurality of connection terminals 11. On the one hand, the transmission line 112 of each of the connection terminals 11 is determined, and on the other hand, a sufficient heat dissipation space is obtained at a portion where the transmission line 112 and the metal interface 111 of the connection terminal 11 are press-bonded to each other.

It should be noted that the base plate 12 also serves as a stopper to prevent the metal interface 111 of the connection terminal 11 from being deformed by excessive pressure.

In the preferred embodiment, the connection terminals 11 are two groups. Preferably, as male end connection terminal 101 and female end connection terminal 102, respectively, an interface can be provided for connecting connectors of different needs. The rear portions of the male and female connection terminals 101 and 102 are each fixed to the fixed housing 13. The male and female connection terminals 101 and 102 are assembled to the two front end cases 131 and extend from the respective rear end cases 132, respectively. In particular, the two wire outlets 1325 of the two rear end housings 132 are oppositely oriented. That is, the converging case 133 connects the two rear end cases 132 in a substantially T-shape or Y-shape. The transmission lines 112 of the male and female terminals 101 and 102 are enclosed in the casing 133. The front end housing 131 and the rear end housing 132 of the male end connection terminal 101 and the female end connection terminal 102 thus serve as branches, and the fixed housing 13 is tree-shaped in cooperation with the converging housing 133 serving as a trunk.

The male end connection terminals 101 and the female end connection terminals 102 of both sets of terminals are stably connected through the converging shell 133. Not only the wires of the male and female connection terminals 101 and 102 are hermetically wrapped, but also the exterior of the convergence housing 133 is flat and beautiful.

In particular, the transmission lines 122 of the male and female connection terminals 101 and 102 are filled and wrapped in the converging case 133. The convergence housing 133 is not easily deformed by itself because of the T-shape or Y-shape, and the transmission line 122 therein is not easily twisted, bent or worn. In the case of long-term use, the male connection terminal 101 and the female connection terminal 102 can ensure functional integrity.

Further, the exposed portions of the metal interface 111 and the transmission line 112 of the male connection terminal 101 are defined as a male functional area 110, and the exposed portions of the metal interface 111 and the transmission line 112 of the female connection terminal 102 are defined as a female functional area 120. In the post-assembly injection molding step, the converging shell 133 is formed so as not to contact the male end functional region 110 or the female end functional region 120. And does not enter the metal interface 111, and does not affect the communication availability of the male connection terminal 101 and the female connection terminal 102.

Further, the front end housing 131 of the male connection terminal 101 further includes a detent groove 1311 formed on an outer surface of the housing 1313. The front end housing 131 of the female end connection terminal 102 further includes a catching boss 1312 formed at an outer surface of the housing 1313. The click slide groove 1311 and the click projection 1312 are designed to be couplable to each other so that a group of the male connection terminals 101 can be stably engaged with each other after being connected to the female connection terminal 102.

Further, the rear end shell 132 of the male connection terminal 101 further includes an external connection 1321. The male connection portion 1321 protrudes outward from the outer surface of the receiving cover 1323 for the need of mounting the male connection terminal 101.

The rear end housing 132 of the female end connection terminal 102 further includes a rotational connection 1322. The rotation connection part 1322 is rotatably connected with respect to the housing 1313 of the front end housing 131 so that the housing 1313 of the front end housing 131 of the female end connection terminal 102 can be rotated to be engaged after being connected to the male end connection terminal 101 of the other information connector 10.

Preferably, the outer surface of the housing 1313 of the front end case 131 of the female end connection terminal 102 has frictional stripes.

The stationary housing 13 further comprises a wire housing 134, the wire housing 134 being extended from the converging housing 133 to the rear, preferably also an electrical interface at the rear of the connection terminal 11, the wire housing 134 extending to the electrical interface. Typically the electrical interface is of another type such that the information connector 10 passes communication information from the connection terminal 11 at one end to the electrical interface at the rear.

As shown in fig. 4 and 5, several ways of using the information connector 10 are illustrated. The male-end connection terminal 101 and the female-end connection terminal 102 may be connected to the female-end connection terminal 102 and the male-end connection terminal 101 of the other information connector 10, respectively. The male terminal 101 and the female terminal 102 may be connected to other corresponding conventional electrical terminals, respectively.

The present invention further provides a method for manufacturing an information connector, as shown in fig. 6 to 10C, preferably, the structure of the information connector 10 in the above preferred embodiment is adopted, and the relationship between specific structures is not repeated here.

The method for manufacturing the information connector of the preferred embodiment comprises the following steps:

Assembling at least two of the connection terminals 11 to their corresponding front end housings 131 such that rear portions of the connection terminals 11 are received in the rear end housings 132 corresponding to the front end housings 131;

pre-fixing the rear portions of the connection terminals 11 extending from the rear end housing 132 in a bundle;

placing at least two of the connection terminals 11 into an injection molding cavity 200 of a mold 20 to determine the relative position between each of the connection terminals 11;

injecting glue circumferentially between at least two of said rear end shells 132; and

After curing the compound to form the converging shell 133, the release process is performed.

It should be noted that, in the above assembly step, the method further includes the steps of:

crimping the metal interface 111 and the transmission line 112; and

The metal interface 111 is assembled to the substrate 12 within the front end housing 131.

After the above assembly step, the transmission lines 112 are all accommodated in the accommodating covers 1323 of the rear end cases 132. Moreover, whether the transmission line 112 of some of the connection terminals 11 is connected from one of the metal interfaces 111 to another adjacent to the metal interface 111, or some of the transmission line 112 is extended from the metal interface 111 to the rear of the information connector 10.

It should be noted that, the package housing 133 can be directly formed at the rear portion of the connection terminal 11 by injection molding without an additional plugging step after assembly, thereby reducing the operation trouble.

Specifically, the above pre-fixing step is practically implemented as: a wire housing 134 is formed at the rear of the connection terminal 11 to restrain the transmission lines 112 of all the connection terminals 11.

It should be noted that, as shown in fig. 10A to 10C, the above step of injecting the glue material in a surrounding manner further includes:

injecting glue material into the injection cavity 200 at a predetermined speed; and

The injection of glue is stopped before the glue flows into the male end functional area 110 or the female end functional area 120. Therefore, overfilling can be effectively avoided in injection molding, and the communication ability of the connection terminal 11 can be protected.

Specifically, in addition to the transmission lines 112 of all the connection terminals 11 in the injection molding cavity 200 being wrapped, at least two of the rear end cases 132 to which the corresponding ones have been surely placed are sealed. I.e. the wire outlet 1325 of each of the rear end shells 132, the filling degree of the glue is sufficiently ensured.

As shown in fig. 8 to 9, the mold 20 in the preferred embodiment further includes an upper mold 21 and a lower mold 22, and the injection cavity 200 is defined therebetween when the upper mold 21 and the lower mold 22 are combined. In addition, the mold 21 further includes a positioning member 23 for tightly fixing the position of the connection terminal 11 in the injection cavity 200. In the preferred embodiment, two positioning members 23, namely a male positioning member 231 and a female positioning member 232, are respectively disposed on the lower mold 22. In this embodiment, the male positioning member 231 and the female positioning member 232 are corresponding slots and have a positioning cavity 24.

In further embodiments, the male and female positioning members 231, 232 may be adjusted in relative position with respect to the lower mold 22. The preferred embodiment adopts the steps of adjusting the male positioning member 231 and the female positioning member 232 to fasten the male end connection terminal 101 and the female end connection terminal 102, and then combining the upper die 21 and the lower die 22. In another possible manner, the upper mold 21 and the lower mold 22 may be combined, and then the male positioning member 231 and the female positioning member 232 may be adjusted to fasten the male connection terminal 101 and the female connection terminal 102.

It should be noted that the mold 20 includes a feed port 201 and a discharge port 202, the feed port 201 is disposed at one end of the upper mold 21 opposite to the middle of the injection cavity 200, and the discharge port 202 is disposed at one end of the injection cavity 200 opposite to the positioning member 23 and far away from the positioning member.

The design of the middle feeding and side discharging of the feeding port 201 and the discharging port 202 has the effect of pressure relief of the side glue overflow. Preferably, the rubber material adopts modified PP material to slow down the flow speed, so that the filling property can be satisfied, and the rubber material can be prevented from flowing into the male end functional area 110 or the female end functional area 120. That is, the glue is prevented from flowing into the metal interface 111 of the connecting terminal 11, waste products are prevented from occurring, accidental flow direction of the glue is prevented, manufacturing yield is improved, too fast flow speed of the glue is prevented, and adverse effects on the connecting terminal are avoided.

More preferably, the main properties of the PP FB51K flame retardant polypropylene compound used in this example are as follows:

specifically, the method of manufacturing the information connector first prepares the terminal block 11, the front end housing 131, and the rear end housing 132 assembled. Preferably, the metal interface 111 is crimped with the transmission line 112, and the metal interface 111 is assembled to the substrate 12. After the male and female connection terminals 101 and 102 are assembled, the male and female connection terminals 101 and 102 are pre-bundled into a bundle of semi-finished products with the transmission line 112 remaining behind the male and female connection terminals 102. The wire housing 134 may be assembled first, or the wire housing 134 may be assembled after the converging housing 133 is formed.

The semifinished product is then placed in the injection cavity 200 of the mould 20 ready for preparation. The injection molding chamber 200 previously leaves a place for placing a bundle of the remaining transmission lines 112. The discharge port 202 is located on the opposite side of the remaining bundle of the transmission lines 112. Alternatively, the male connection terminal 101 and the female connection terminal 102 are clamped by the male positioning member 231 and the female positioning member 232 to determine the relative positions. After the male end connection terminal 101 and the female end connection terminal 102 are determined, a position where the convergence housing 133 is to be formed is also determined.

Next, glue is injected around between at least two of the rear end shells 132. In the preferred embodiment, the feeding port 201 is located in the vertical direction of the injection cavity 200. That is, glue flows from a bundle of remaining positions of the transmission line 112 into the injection molding chamber 200. Glue flows around and encapsulates a bundle of the remaining transmission lines 112, sealing the transmission lines 112 inside. The gum tends to be retained from the outlet 202. The glue does not excessively enter the rear end case 132, and the connection terminals 11 inside the front end case 131 to which the rear end case 132 is connected are not affected. And, the rear end of each connection terminal 11 is fully sealed and insulated, so that the internal functions are protected from being damaged in use, and the service life of the information connector 10 is ensured. In combination with the properties of the sizing material used in the preferred embodiment, the sizing material stops flowing before it flows into either the male end functional area 110 or the female end functional area 120.

Here, the timing of stopping the flow may be achieved by the properties of the sizing material, or the timing of stopping the injection of the sizing material to stop the flow may be selected.

After waiting for the glue to cure, the converging shells 133 are formed between the rear end shells 132 and substantially encase the transmission line 112. After demolding, the tailings are treated adaptively, completing the manufacture of the information connector 10.

Additionally, the present invention provides a method for manufacturing the information connector according to another embodiment, including the steps of:

Assembling at least two connection terminals 11 to the corresponding front end housing 131 such that a rear portion of each of the connection terminals 11 is received in the rear end housing 132 connected to the front end housing 131;

the rear portion of the connection terminal 11 pre-fixing each of the rear end cases 132 is a bundle;

placing the connection terminals 11 in the injection molding cavity 200 such that the relative positions between the plurality of connection terminals 11 are fastened;

Injecting glue material around the rear portions of the plurality of connection terminals 11; and

After waiting for the compound to cure, it is demolded.

In the present preferred embodiment, unlike the above-described method, the injection step is directed to the rear portions of the plurality of connection terminals 11. That is, the glue material flows from the rear of the plurality of connection terminals 11 and is gathered in one bundle of the transmission lines 112, thereby forming the convergence housing 133. Unlike the above-described diffusion from the middle to the side, the present preferred embodiment starts injection from a plurality of the connection terminals 11, merges into the middle and gradually solidifies from the middle in the side direction. For example, from both ends of the injection molding cavity 200 of the T or Y shape, to the middle to form the converging shell 133. Therefore, the glue is prevented from entering the male end functional area 110 or the female end functional area 120, thereby ensuring the functional effectiveness of the connection terminal 11.

It should be noted that, the manufacturing method only needs an assembling step, and the information connector 10 can be directly injection molded to complete the manufacturing of the finished product, so as to shorten the processing time and improve the production efficiency. And the dual performance of filling degree and functional reliability is fully achieved, and the information connector 10 has great stable quality advantage without sacrificing one party.

It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.

Claims (5)

1. A method of manufacturing an information connector for manufacturing an information connector, wherein the information connector comprises: at least two connection terminals and a stationary housing, wherein the stationary housing comprises at least two front end housings, at least two rear end housings, and a converging housing, wherein each of the connection terminals is secured within the stationary housing, wherein a front portion of each of the connection terminals is secured to each of the front end housings to provide an external connection of the front portion of the information connector, wherein a rear portion of each of the connection terminals is secured to the rear end housing and is received in the converging housing, wherein each of the rear end housings and the converging housing are sealingly connected to form a rear portion of the information connector such that the rear portion of the connection terminal is sealingly wrapped, wherein the method of manufacturing the information connector comprises the steps of:

Assembling at least two connection terminals to their corresponding front end housings such that rear portions of the connection terminals are received in the rear end housings corresponding to the front end housings;

Pre-fixing the rear part of the connecting terminal extending from the rear end shell into a bundle;

Placing at least two of the connection terminals into an injection cavity of a mold to determine the relative position between each of the connection terminals;

injecting glue material between at least two of said rear end shells in a surrounding manner; and

After curing the compound to form the necked shell, a release treatment is performed.

2. The manufacturing method according to claim 1, wherein the assembling step further comprises the step of:

crimping a metal interface and a transmission line; and

And assembling the metal interface in the front end housing.

3. The method of claim 2, wherein the pre-fixing step is implemented as: a wire housing is formed at the rear of the connection terminals to restrain the transmission lines of all the connection terminals.

4. A method of manufacture as defined in claim 3 wherein the step of peripherally injecting the sizing material further comprises:

Injecting glue stock into the injection cavity at a predetermined rate; and

The injection of glue is stopped before the glue flows into the functional area of the connection terminal.

5. A method of manufacturing an information connector for a vehicle, for manufacturing an information connector for a vehicle, wherein the information connector includes at least two connection terminals and a stationary housing, wherein the stationary housing includes at least two front end housings, at least two rear end housings, and a converging housing, wherein each of the connection terminals is fixed within the stationary housing, wherein a front portion of each of the connection terminals is fixed to each of the front end housings to provide an external connection of the front portion of the information connector, wherein a rear portion of each of the connection terminals is fixed to the rear end housing and is received in the converging housing, wherein each of the rear end housings and the converging housing are sealingly connected, and a rear portion of the information connector is formed such that the rear portion of the connection terminal is sealingly wrapped, wherein the method of manufacturing an information connector for a vehicle comprises the steps of:

Assembling at least two connection terminals to the corresponding front end housing such that a rear portion of each of the connection terminals is received in the rear end housing connected to the front end housing;

pre-fixing the rear part of the connecting terminal of each rear end shell into a bundle;

Placing the connecting terminals in an injection molding cavity so that the relative positions among a plurality of the connecting terminals are fastened;

Injecting glue material around the rear parts of the plurality of connecting terminals; and

After waiting for the compound to cure, it is demolded.