CN206893861U - Connector - Google Patents

Abstract

The utility model discloses a kind of connector, including：Housing；With terminal module, it is assembled in the housing.The terminal module includes insulating body and the conducting terminal being maintained in the insulating body.The housing includes metal shell and forms the plastic casing in the inner side of the metal shell, and the metal shell is suitable to be secured directly on the insulating body of the terminal module.In the utility model, because the housing of connector includes the plastic casing made of plastic material, rather than all it is made up on the whole of metal material, therefore, significantly reduces the manufacturing cost of connector.In addition, in the utility model, the metal shell of connector is suitable to be secured directly on the insulating body of terminal module, it is therefore not necessary to extra metal retaining plates be provided for connector, so as to reduce further the manufacturing cost of connector.

Description

Connector

technical field

The utility model relates to a connector.

Background technique

In the prior art, a connector generally includes a housing and a terminal module accommodated in the housing. A terminal module generally includes an insulating body and conductive terminals held in the insulating body. Connectors generally need to be waterproof, and some customers even require that the connector should meet the waterproof requirements of IPX8. In order to meet the waterproof requirements of customers, in the prior art, it is necessary to inject a sealant between the terminal module and the housing of the connector, so as to seal the mating interface between the terminal module and the housing.

In the prior art, in order to improve the sealing performance and impact resistance of the connector housing, the connector housing is usually entirely made of metal, which increases the cost of the connector. In addition, in the prior art, in order to fix the terminal module in the metal housing of the connector, it is necessary to add an additional metal holding plate, which abuts against the rear end of the terminal module and is welded to the metal housing. On the rear end wall of the housing, the terminal module is fixed in the metal housing of the connector.

As for the existing connector, since its housing is made of metal as a whole, and it is necessary to additionally provide a metal holding plate for fixing the terminal module, the cost of the connector is increased.

Utility model content

The purpose of this utility model is to solve at least one aspect of the above-mentioned problems and defects existing in the prior art.

According to an object of the present utility model, a connector is provided, the housing of which includes a metal housing and a plastic housing formed inside the metal housing, thereby reducing the cost of the connector. Moreover, the metal shell is suitable for being directly fixed to the insulating body of the terminal module without providing an additional metal holding plate, thereby further reducing the cost of the connector.

According to one aspect of the present invention, a connector is provided, comprising: a housing; and a terminal module assembled in the housing. The terminal module includes an insulating body and conductive terminals held in the insulating body. The housing includes a metal housing and a plastic housing formed inside the metal housing, and the metal housing is suitable for being directly fixed to the insulating body of the terminal module.

According to an embodiment of the present utility model, a locking portion is formed on the metal shell, and a protrusion is formed on the insulating body; the locking portion is suitable for being bent to the bottom of the insulating body. on the raised portion and engages with said raised portion.

According to another embodiment of the present utility model, an opening is formed on the locking part, and the protrusion is adapted to be inserted into the opening of the locking part so as to join the two together.

According to another embodiment of the present invention, a finger-shaped portion is formed on the metal shell, and a recess is formed on the insulating body; the finger-shaped portion is adapted to be bent to the insulating body In the recessed part, and engage with said recessed part.

According to another embodiment of the present invention, the metal shell includes a main body and a pair of connecting tails respectively extending backward from the left and right sides of the main body; the locking portion is formed on the metal shell The upper side of the connecting tail part, the finger part is formed on the lower side of the connecting tail part of the metal shell.

According to another embodiment of the present invention, the insulating body includes a tongue portion and a tail seat located on the rear side of the tongue; the raised portion is formed on the top of the tail seat of the insulating body , the concave portion is formed at the bottom of the tail seat portion of the insulating body.

According to another embodiment of the present utility model, the connector is a C-type connector.

In each of the foregoing exemplary embodiments according to the present invention, the housing of the connector includes a metal housing and a plastic housing formed inside the metal housing. In the present invention, since the housing of the connector includes a plastic housing made of plastic material instead of being entirely made of metal material, the manufacturing cost of the connector is greatly reduced. In addition, in the present invention, the metal shell of the connector is adapted to be directly fixed to the insulating body of the terminal module, therefore, there is no need to provide an additional metal holding plate for the connector, thereby further reducing the manufacturing cost of the connector .

Through the following description of the utility model with reference to the accompanying drawings, other purposes and advantages of the utility model will be apparent, and can help to have a comprehensive understanding of the utility model.

Description of drawings

FIG. 1 shows a perspective view of a metal housing of a connector according to an embodiment of the present invention when viewed from the front side;

Fig. 2 shows a schematic perspective view of the metal housing of the connector according to an embodiment of the present invention when viewed from the rear side;

Fig. 3 shows a schematic perspective view of the housing of the connector according to an embodiment of the present invention when viewed from the front side;

Fig. 4 shows a schematic perspective view of the housing of the connector according to an embodiment of the present invention when viewed from the rear side;

Fig. 5 shows a schematic diagram after the terminal module is inserted into the housing shown in Fig. 4;

FIG. 6 shows a schematic perspective view of a terminal module of a connector according to an embodiment of the present invention;

Fig. 7 shows a schematic diagram on top of fixing the metal shell of the connector to the insulating body of the terminal module;

Fig. 8 shows a schematic view on the bottom of fixing the metal shell of the connector to the insulating body of the terminal module;

Fig. 9 shows a longitudinal sectional view of the shell and the insulating body assembled together shown in Fig. 8;

Fig. 10 shows a schematic diagram of injecting sealant into the groove of the insulating body shown in Fig. 8; and

FIG. 11 shows a perspective exploded view of a connector according to an embodiment of the present invention.

detailed description

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following descriptions of the embodiments of the utility model with reference to the accompanying drawings are intended to explain the overall utility model concept of the utility model, and should not be construed as a limitation of the utility model.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical idea of the present invention, a connector is provided, comprising: a housing; and a terminal module assembled in the housing. The terminal module includes an insulating body and conductive terminals held in the insulating body. The housing includes a metal housing and a plastic housing formed inside the metal housing, and the metal housing is suitable for being directly fixed to the insulating body of the terminal module.

As shown in FIGS. 1 to 4 , in an embodiment of the utility model, the connector mainly includes housings 100 , 200 and a terminal module 400 . The terminal module 400 is suitable for being assembled in the housing 100 , 200 .

As shown in FIG. 6 , in the illustrated embodiment, the terminal module 400 mainly includes insulating bodies 410 , 420 and conductive terminals 440 held in the insulating bodies 410 , 420 . A groove 430 for injecting the sealant 500 is formed on the insulating body 410 , 420 .

As shown in Fig. 6, Fig. 9 and Fig. 10, in the illustrated embodiment, the groove 430 has an upper side opening 401, at least a part of the upper side opening 401 is exposed outside the housing 100, 200, so that the sealant 500 can be injected into the groove 430 from the upper opening 401 of the groove 430 to seal the mating interface between the shells 100 , 200 and the terminal module 400 .

As shown in FIG. 6, in the illustrated embodiment, the groove 430 has a front side wall 431 and a rear side wall 432 opposite in the longitudinal direction of the connector, and a left side wall opposite in the transverse direction of the connector. 433 and a right side wall 434, and a bottom wall 435 opposite to the upper opening 401 in the height direction of the connector.

As shown in FIG. 6 , in the illustrated embodiment, the conductive terminals 440 pass through the front sidewall 431 and the rear sidewall 432 of the groove 430 along the longitudinal direction of the connector.

As shown in FIGS. 1 to 4 , in the illustrated embodiment, the housings 100 and 200 of the connector mainly include a metal housing 100 located outside the connector and a plastic housing 200 formed inside the metal housing 100 .

As shown in FIGS. 4 and 9 , in the illustrated embodiment, a ring of inwardly protruding blocking portions 210 is formed on the inner wall of the plastic housing 200 . As shown in FIGS. 1 and 2 , in the illustrated embodiment, a protruding structure 110 protruding inward is formed on the metal shell 100 . As shown in FIG. 9 , in the illustrated embodiment, the protruding structure 110 on the metal housing 100 is embedded into the blocking portion 210 of the plastic housing 200 to enhance the impact resistance of the blocking portion 210 .

As shown in FIG. 1 , FIG. 2 and FIG. 9 , in the illustrated embodiment, inwardly protruding protrusion structures 110 are respectively formed on the top wall and the bottom wall of the metal housing 100 .

As shown in FIG. 1 and FIG. 2 , in the illustrated embodiment, the protruding structure 110 is an inwardly protruding annular frame structure formed on the side wall of the metal housing 100 by stamping.

In one embodiment of the present invention, the aforementioned plastic shell 200 can be formed on the inner side of the metal shell 100 by insert molding.

As shown in FIGS. 5 to 8 , in the illustrated embodiment, the metal shell 100 of the connector is adapted to be directly fixed to the insulating bodies 410 , 420 of the terminal module 400 .

As shown in FIGS. 5 and 7 , in the illustrated embodiment, a locking portion 121 is formed on the metal housing 100 , and a raised portion 421 is formed on the insulating housings 410 , 420 . The locking portion 121 is adapted to be bent onto the protruding portion 421 of the insulating housing 410 , 420 and engaged with the protruding portion 421 . In one embodiment of the present utility model, as shown in FIG. 7 , an opening is formed on the locking portion 121 , and the protrusion 421 is adapted to be embedded in the opening of the locking portion 121 so as to join the two together. Together.

As shown in FIG. 5 and FIG. 8 , in the illustrated embodiment, a finger portion 122 is formed on the metal shell 100 , and a concave portion 422 is formed on the insulating body 410 , 420 . The finger portion 122 is adapted to be bent into the recessed portion 422 of the insulating body 410 , 420 and engaged with the recessed portion 422 .

As shown in FIG. 2 , in the illustrated embodiment, the metal housing 100 of the connector includes a main body and a pair of connecting tails 120 respectively extending backward from left and right sides of the main body. The locking portion 121 is formed on the upper side of the connecting tail portion 120 of the metal housing 100 , and the aforementioned finger portion 122 is formed on the lower side of the connecting tail portion 120 of the metal housing 100 .

As shown in FIG. 6 , in the illustrated embodiment, the insulating housings 410 , 420 include a tongue 410 at the front thereof and a tail seat 420 at the rear of the tongue 410 . The aforementioned protruding portion 421 is formed on the top of the tail seat portion 420 of the insulating body, and the aforementioned concave portion 422 is formed at the bottom of the tail seat portion 420 of the insulating body.

As shown in FIGS. 9 and 10 , in the illustrated embodiment, a ring of inwardly protruding blocking portions 210 are formed on the inner wall of the plastic housing 200 of the connector, and the blocking portions 210 are suitable for preventing injection into the concave cavity. The sealant 500 in the groove 430 overflows onto the front of the terminal module 400 .

In the present invention, as shown in FIG. 9 and FIG. 10 , the aforementioned blocking portion 210 can not only serve as a stopper for limiting the depth at which the plug (not shown) of the mating connector is inserted into the housing of the connector, but also It can be used to prevent the sealing glue 500 injected into the groove 430 from overflowing to the front upper glue stop ring of the terminal module 400 .

As shown in FIG. 9 , FIG. 10 and FIG. 11 , in the illustrated embodiment, the blocking portion 210 is located at the rear opening of the plastic housing 200 and is opposite to the front side wall 431 of the groove 430 .

In one embodiment of the present invention, the aforementioned blocking portion 210 can be in direct contact with the front side wall 431 of the groove 430 to prevent the sealant 500 injected into the groove 430 from overflowing to the front of the terminal module 400 .

As shown in FIGS. 9 and 10 , in the illustrated embodiment, a gap is defined between the blocking portion 210 and the front side wall 431 of the groove 430 , the size of the gap is small enough to prevent injection into the groove 430 The sealant 500 flows through the gap.

As shown in FIGS. 9 and 10 , in the illustrated embodiment, the aforementioned slit extends along a tortuous path in the longitudinal direction of the connector, so as to further prevent the sealant 500 injected into the groove 430 from flowing through the slit.

As shown in FIG. 6 , in the illustrated embodiment, the conductive terminal 440 includes a contact portion on the tongue portion 410 of the insulating body 410 , 420 and a soldering portion on the tail seat portion 420 of the insulating body 410 , 420 .

As clearly shown in FIG. 6, in the illustrated embodiment, the contact portion of the conductive terminal 440 is exposed from the tongue portion 410, and the blocking portion 210 is suitable for preventing the sealant 500 injected into the groove 430 from overflowing to the conductive terminal 430. on the contact portion of terminal 440. If the sealant 500 overflows to the contact portion of the conductive terminal 440 , the electrical contact performance of the contact portion of the conductive terminal 440 will be reduced.

As shown in Figures 5 and 9, in the illustrated embodiment, a sealing ring 300 is set on the front end of the plastic housing 200, and the sealing ring 300 is used to seal the housing of the connector and the housing of the mating connector. interface between bodies.

In one embodiment of the present invention, the aforementioned connector may be a C-type connector suitable for reciprocal plugging. However, the utility model is not limited to the illustrated embodiment, and the aforementioned connectors may also be other types of connectors.

In some exemplary embodiments according to the present invention, a groove for injecting sealant is formed on the insulating body, the groove has an upper opening, and the sealant is injected into the concave through the upper opening of the groove. in the slot. When injecting glue, the sealant can automatically flow into the entire groove under the action of gravity, so when injecting glue, there is no need to rotate the glue injection machine around the terminal module, which simplifies the glue injection process and reduces the connector manufacturing cost.

In some of the foregoing exemplary embodiments according to the present invention, the housing of the connector includes a metal housing and a plastic housing formed inside the metal housing. A circle of inwardly protruding blocking parts is formed on the inner wall of the plastic housing, and an inwardly protruding protruding structure is formed on the metal housing, which is embedded in the blocking part of the plastic housing to enhance The impact resistance of the blocking part is improved, and the risk of cracking of the connector shell is effectively prevented.

In some of the foregoing exemplary embodiments according to the present invention, the housing of the connector includes a metal housing and a plastic housing formed inside the metal housing. In the present invention, since the housing of the connector includes a plastic housing made of plastic material instead of being entirely made of metal material, the manufacturing cost of the connector is greatly reduced. In addition, in the present invention, the metal shell of the connector is adapted to be directly fixed to the insulating body of the terminal module, therefore, there is no need to provide an additional metal holding plate for the connector, thereby further reducing the manufacturing cost of the connector .

In some of the aforementioned exemplary embodiments according to the present invention, a ring of inwardly protruding blocking parts is formed on the housing of the connector, and the blocking parts can not only limit the insertion depth of the plug of the mating connector, but also can The injected sealant is prevented from overflowing onto the front of the terminal module. Therefore, in the present invention, there is no need to form a separate rubber retaining ring on the insulating body of the terminal module, so that the length of the terminal module and the length of the entire connector can be effectively reduced.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model.

While certain embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will appreciate that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the present invention The scope of the utility model is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (7)

1. a kind of connector, including：

Housing (100,200)；With

Terminal module (400), it is assembled in the housing (100,200),

Wherein, the terminal module (400) includes insulating body (410,420) and is maintained at the insulating body (410,420) In conducting terminal (440),

It is characterized in that：

The housing (100,200) includes metal shell (100) and forms the plastic casing in the inner side of the metal shell (100) Body (200),

The metal shell (100) is suitable to be secured directly on the insulating body (410,420) of the terminal module (400).

2. connector according to claim 1, it is characterised in that：

Formed with latch part (121) on the metal shell (100), formed with convex on the insulating body (410,420) Rise portion (421)；

The latch part (121) be suitable to be folded on the lug boss (421) of the insulating body (410,420), and with it is described Lug boss (421) engages.

3. connector according to claim 2, it is characterised in that：

Formed with opening in the latch part (121), the lug boss (421) is suitable to be embedded in the latch part (121) Opening in, so as to which both are bonded together.

4. the connector according to Claims 2 or 3, it is characterised in that：

Formed with fingers (122) on the metal shell (100), formed with recessed on the insulating body (410,420) Fall into portion (422)；

The fingers (122) be suitable to be folded into the depressed part (422) of the insulating body (410,420), and with it is described Depressed part (422) engages.

5. connector according to claim 4, it is characterised in that：

A pair of connections that the metal shell (100) includes main part and extended back respectively at left and right sides of the main part Afterbody (120)；

The latch part (121) is formed in the upside of the connection afterbody (120) of the metal shell (100), the fingers (122) formed in the downside of the connection afterbody (120) of the metal shell (100).

6. connector according to claim 5, it is characterised in that：

The insulating body (410,420) includes the tailstock portion of tongue-like part (410) and the rear side positioned at the tongue-like part (410) (420)；

The lug boss (421) is formed to be formed in the top in the tailstock portion (420) of the insulating body, the depressed part (422) In the bottom in the tailstock portion (420) of the insulating body.

7. connector according to claim 1, it is characterised in that：The connector is C type connector.