CN218849935U - Round waterproof connector male end piece - Google Patents

Abstract

The utility model relates to the technical field of electronic devices, and provides a circular waterproof connector male end piece, which comprises a front shell, a crystal head, a waterproof plug and a rear shell, wherein the front shell is provided with a front cavity and a rear cavity which are separated by a separation part, the separation part is provided with a through hole which penetrates through the front cavity and the rear cavity, and the tail end of the rear shell is provided with a cable hole; the waterproof ring is made of flexible material and is provided with a split which is cut outwards from the central hole; a cable is welded on the crystal head and sequentially passes through the cable hole, the rear cavity and the through hole in the front cavity; the waterproof ring enables the cable section in the rear cavity to be matched with the central hole through the split; the rear shell is screwed with the front shell to enable the waterproof ring in the rear cavity to be extruded and deformed and to be fully filled in the space from the blocking part to the rear shell, the technical problem of water resistance of the connector is solved through the structure, and the effects of easiness in manufacturing, cost reduction and convenience in use are achieved.

Description

Round waterproof connector male end piece

Technical Field

The utility model relates to an electronic product technical field indicates a circular waterproof connector male end piece especially.

Background

A round waterproof connector is an RJ45 connector with a plurality of fingers sealed by a round shell, and is suitable for outdoor use. Because the RJ45 connector is widely used, the RJ45 connector is also used for networking cameras of life, traffic and the like besides a local area network and an ADSL broadband. The existing RJ45 connectors used in the open air environment are various in variety and are designed for the purpose of water resistance. However, water resistance is necessary, but deep protection, such as high water pressure in a deep water area, filling of a gap formed by expansion and contraction and a gap existing when the core wire is wrapped (twisted), and mist formed in a cold and warm environment may penetrate from a port to equipment (such as a camera and a lighting headlamp) through an (invisible) gap inside the core wire, which affects the use effect and the product life. In order to solve these problems, the blocking waterproof wire core is generally adopted in the outdoor equipment, but the process of the blocking waterproof wire core is complex and the cost is high, so that the problem of the mist permeation equipment is solved in the industry from the source, and thus the design of effectively improving the deep waterproof effect of the connecting port is required. Although the applicant has earlier introduced several similar deep waterproof connectors, as the technological level increases, the higher the demand for the product, with the market competition being intense, the competitive advantage being maintained with reduced costs, quality, ease of replacement and extended product life.

Disclosure of Invention

In order to solve the above technical problem, an object of the present invention is to provide a male end piece of a circular waterproof connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

disclosed is a round waterproof connector male end piece, which comprises a front shell, a crystal head, a waterproof plug and a rear shell screwed with the front shell, wherein: the front shell is provided with a front cavity and a rear cavity which are separated by a blocking part, the blocking part is provided with a through hole which penetrates through the front cavity and the rear cavity, and the tail end of the rear shell is provided with a cable hole; the waterproof ring is made of flexible material and is provided with a central hole and a split which is cut outwards from the central hole; a cable is welded on the crystal head and sequentially passes through the cable hole, the rear cavity and the through hole in the front cavity; the waterproof ring enables the cable section in the rear cavity to be matched with the central hole through the split; the rear shell is screwed with the front shell, so that the waterproof ring in the rear cavity is extruded and deformed and is filled in the space from the blocking part to the rear shell, and the male end piece forms a sealing body.

In the present embodiment, it is preferable that: the through hole is in accordance with the size of a dimension that the crystal head passes, and the front cavity has the tooth in the spiral, and preceding shell back end back of the body is equipped with the outer tooth of spiral in the back cavity periphery, extends a plurality of tails along the outer tooth terminal surface of spiral, and a plurality of tails enclose into the shrink space, have the interval between the adjacent tail.

In this embodiment, it is preferable that: the rear shell is provided with spiral inner teeth matched with the spiral outer teeth of the front shell, a conical cavity is formed between the spiral inner teeth of the rear shell and the cable hole, and the cable hole is in accordance with the size of the crystal head.

Compared with the prior art, the utility model, its profitable effect is: the structure is simple, the manufacture is easy, the use is convenient, the product cost can be reduced, the product quality can be ensured, and the service life of the product can be prolonged.

Drawings

Fig. 1 is a perspective view of the male and female end pieces of the present invention to be fitted.

Fig. 2 is another angular perspective view of fig. 1.

Fig. 3 is an exploded view of the male terminal of the present invention.

Fig. 4 is another perspective view of the front housing of the male end member.

Fig. 5 is a rear view of the front housing of the divided end piece.

Fig. 6 is a perspective view of the female terminal member insulator base of the present invention.

Fig. 7 is another perspective view of fig. 6.

Fig. 8 is a perspective view of the female terminal member terminal module of the present invention.

FIG. 9 is a perspective view from another perspective of FIG. 8

Fig. 10 is an assembly view of the terminal mold, the insulating base, and the cable according to the present invention.

Fig. 11 is an assembled view from another perspective of fig. 10.

Figure 12 is a cross-sectional view of the circular waterproof connector of the present invention (i.e., the male end piece is mated with the female end piece).

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "a" means not only "only one of this but also a case of" more than one ".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first," "second," and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Referring to fig. 1 to 12, there is provided a round waterproof connector, in particular an RJ45 type port waterproof connector, comprising a male end piece 100 and a female end piece 200 adapted to the male end piece, wherein:

the male end part 100 comprises a front shell 1, a crystal head 2, a waterproof plug 3 and a rear shell 4 screwed with the front shell 1, and the female end part 200 comprises an insulating seat 5, a terminal module 6, a waterproof ring 7 and an outer mold 8 wrapping the tail end of the insulating seat; in addition, the male end piece 100 and the mating female end piece 200 also include cables (not labeled), respectively;

the front shell 1 and the rear shell 4 are matched and are of a circular structure formed by injection molding and curing, the front shell 1 is provided with the crystal head 2 and is provided with a front cavity 13 matched with the female end piece 200 and a rear cavity 14 used for accommodating the waterproof plug 3, a blocking part 12 is formed between the front cavity 13 and the rear cavity 14, and the blocking part 12 is provided with a through hole 121 (with the size capable of allowing the crystal head 2 to pass through) penetrating through the front cavity and the rear cavity. Lugs 131 are uniformly distributed on the annular surface in the inlet of the front cavity 13, and inner teeth 132 surrounding the front cavity are formed in the depth direction close to the lugs 131; the outer surface of the rear section of the front shell 1, which is back to the rear cavity 14, is provided with outer teeth 15 connected with the rear shell 4, a plurality of tail pieces 151 extend out along the end surface of the outer teeth 15, and the tail pieces 151 are distributed behind the outer teeth 15 and form a contraction space (not marked) for the waterproof plug 3 to be matched. The end face along the end face of the outer tooth is a joint face at the root of the tail piece 151, the tail piece 151 extends to form an elastic pressing part 152, and a flange (not labeled) capable of abutting against the inner surface of the rear shell 4 is formed at the outer edge of the tail end of the pressing part 152; the rear shell 4 is provided with rear shell inner teeth 41 matched with the front shell outer teeth 15 and a cable hole (not marked) for the crystal head 2 to pass through;

the crystal head 2 comprises a crystal 21 (formed by molding transparent plastic) and an elastic sheet 22, the elastic sheet 22 is attached to the back of the crystal 21 and depends on the front edge of the crystal to lift and extend backwards to form a pressing part 221, a buckle (not marked) is formed between the pressing part 221 and the root and is matched with a corresponding structure in the socket 51 of the female seat, so that the crystal head 2 is inserted into the socket 51 of the female seat and cannot be freely separated under the action of the buckle, but the crystal head 2 is conveniently separated from the female seat when the pressing part 221 is pressed by external force;

the waterproof plug 3 is a cylindrical body formed by soft rubber and is provided with a central hole 31, wherein: the peripheral diameter of the waterproof plug 3 is larger than that of the cable hole but smaller than that of the rear cavity 14, so that the waterproof plug 3 can be accommodated in the rear cavity 14. In this embodiment, the waterproof plug 3 is provided with a split 32 for being conveniently sleeved on the cable (not labeled), and since the waterproof plug 3 is made of a soft rubber material, the split 32 can be pulled by external force to sleeve the waterproof plug 3 on the cable (so as to enable the cable to be located in the central hole 31), and such (split 32) design solves the technical problem that the cable with the crystal head 2 cannot be directly adapted to the central hole during installation (welding). The split 32 is inclined to the two ends of the waterproof plug 3, so that the split joint surface is large when the waterproof plug 3 is extruded during assembly, and the waterproof effect is ensured;

in this example, the method steps for assembling the male terminal 100 are:

firstly, welding a cable with the crystal head, and directly penetrating the crystal head 2 with the cable through a cable hole from the back of the rear shell 4;

then the crystal head 2 is arranged in the front cavity 13 from the front shell rear cavity 13 through the through hole 121;

then the waterproof plug 3 is assembled, the crack of the waterproof plug 3 is poked, the central hole 31 of the waterproof plug 3 is matched with the cable, and the waterproof plug 3 is pushed into the rear cavity 14, so that the opposite front end surface of the waterproof plug 3 is propped against the blocking part 12 (the outer wall surface);

finally, the front shell tail piece 151 is inserted into the rear shell 4 and the front shell outer teeth 15 and the rear shell inner teeth 41 are screwed, and the rear shell 4 cavity is a conical cavity, so that the conical wall of the rear shell 4 is pressed against the tail piece 151 to reduce the contraction space by screwing the front shell and the rear shell, the waterproof plug 3 is compressed, the waterproof plug and the cable are pressed, and the rear shell cavity is filled simultaneously, so that the waterproof plug and the cable as well as the waterproof plug and the rear shell cavity form a seamless combination body, and the waterproof effect is effectively improved.

In the present embodiment, as shown in fig. 1, fig. 2 and fig. 6 to fig. 11, the insulating base 5 is a cylindrical member, and includes a socket 51 with a front surface hollowed out backward for inserting the water supply crystal head 2 and a cavity 52 with a rear surface for firmly combining the terminal module 6, and limiting grooves (not labeled) are arranged in parallel on a lower wall of the socket 51, wherein: the rear surface extends backwards along the cylindrical lower semicircle to form a tail part 58, a blocking wall 53 is arranged between the socket 51 and the cavity 52, the blocking wall 53 forms a terminal groove 531 communicated with the limiting groove relative to the limiting groove, so that the terminal groove 531 is perpendicular to the limiting groove and the socket 51 is communicated with the cavity 52, and slots 532 for positioning the terminal module 6 are respectively arranged at two sides of the blocking wall 53, which are close to the top end of the cavity 52. In this example, the periphery of the insulating base 5 is divided into a front half and a rear half, the front half is provided with an external thread 54 adapted to the front shell internal thread 132 and a protrusion 57 adapted to the protrusion 131 (the protrusion 131 and the protrusion 57 are combined into a flange buckle); the rear half part is a connecting part 55 coated by the outer die 8, an annular groove 56 for sleeving the waterproof ring 7 is formed on the periphery between the front half part and the rear half part, the annular groove 56 is tightly abutted to a protrusion 57, the protrusion 57 is positioned between the outer die 8 and the annular groove 56, and the protrusion 57 and the bump 131 are designed to enhance the matching effect of the male end part and the female end part; secondly, in order to prevent the interference fit of the male end piece and the female end piece from damaging screw teeth or preventing the clearance fit of the male end piece and the female end piece from failing to achieve the sealing effect;

the terminal module 6 includes a terminal block 61 and a plurality of terminals 62 conforming to the RJ45 type port standard, the terminal block 61 is formed by injection molding, the terminal block 61 includes a base 611 and a closing plate 612 extending above the base 611 and a supporting platform 613 formed by extending backward of the back of the base 611 adjacent to the closing plate 612, wherein: the top of the closing plate 612 is provided with a cambered surface 614 matched with the top wall of the cavity 52, and tenons 615 matched with the retaining wall slots 532 are respectively formed by extending forwards at two sides of the cambered surface 614; a row of welding grooves 616 is arranged on the supporting platform 613;

in this example, the terminal 62 and the terminal base 61 in the terminal module 6 are integrally molded, and the molding (also called press molding or compression molding) is an operation of putting a powdery, granular or fibrous plastic into a mold cavity at a molding temperature, closing the mold, pressing the mold, molding the plastic, and curing the plastic. In the molded terminal module 6, the bonding wire leg (not labeled) of the terminal is half embedded in the pallet 613 in a manner that the bonding wire surface (not labeled) is exposed in the welding groove 616 on the pallet 613, the longitudinal section (not labeled) perpendicular to the bonding wire leg is embedded in the base 611, the transverse section (not labeled) extending forward from the vertical longitudinal section is exposed in front of the base 611, the transverse section extends to form a folding back section (not labeled), the folding back section has a free section (not labeled), and the angle formed by the free section and the transverse section is not less than 15 degrees;

in this embodiment, the terminal 62 and the terminal base 61 in the terminal module 6 are integrally assembled, wherein: the terminal block 61 has terminal holes (not labeled) that pass through the soldering grooves 616, and when assembled: the bonding wire leg of the terminal is inserted into the bonding groove 616 through the terminal hole so that the bonding wire surface is exposed out of the bonding groove 616, the longitudinal section perpendicular to the bonding wire leg abuts against the front of the base 611, the transverse section extending forward from the vertical longitudinal section extends to form a folding section, the folding section has a free section, and the angle formed by the free section and the transverse section is not less than 15 degrees;

in this example, the method of manufacturing the female end-piece 200 further includes:

the terminal module 6 is assembled on the insulating base 5, wherein:

terminal seat 61 assembles in appearance chamber 52 with the enclosed form to make the horizontal section of terminal place the spacing groove in, thereby make the terminal free section slope in socket 51, terminal welding face welding has the cable (not mark), because the cable is not the utility model discloses a design main points, so do not do more here and describe repeatedly. In order to ensure the stable combination of the terminal module 6 and the insulating base 5, two sides of the terminal transverse section are provided with a protruding spine (not labeled), the protruding spine and the limiting groove are interfered to be stable, and meanwhile, the tenon 615 in front of the closing plate 612 and the blocking wall slot 532 are interfered to be stable, so as to ensure that the terminal module 6 is assembled in the accommodating cavity 52 of the insulating base 5 and cannot be naturally released;

and (3) compression molding the semi-finished product (back half) formed by assembling the steps, wherein:

the outer mold 8 includes a coating portion (not labeled) that covers the rear half portion including the connection portion 55 in a tapered shape, and a net tail portion (not labeled) that covers the cable (not labeled), thereby completing the manufacture of the female end-piece 200.

In the foregoing embodiments, the descriptions of the respective embodiments have their respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. The utility model provides a public end piece of circular waterproof connector, public end piece include preceding shell, quartzy head, waterproof stopper and with preceding shell screw the backshell that connects, its characterized in that: the front shell is provided with a front cavity and a rear cavity which are separated by a blocking part, the blocking part is provided with a through hole penetrating through the front cavity and the rear cavity, and the tail end of the rear shell is provided with a cable hole; the waterproof ring is made of flexible material and is provided with a central hole and a split cut outwards from the central hole; a cable is welded on the crystal head and sequentially passes through the cable hole, the rear cavity and the through hole in the front cavity; the waterproof ring enables the cable section in the rear cavity to be matched with the central hole through the split; the rear shell is screwed with the front shell, so that the waterproof ring in the rear cavity is extruded and deformed and is fully filled in the space from the blocking part to the rear shell, and the male end piece forms a sealing body.

2. The round waterproof connector male end piece of claim 1, wherein: the through hole is in accordance with the size of a dimension that the crystal head passes, and the front cavity has the tooth in the spiral, and preceding shell back end back of the body is equipped with the outer tooth of spiral in the back cavity periphery, extends a plurality of tails along the outer tooth terminal surface of spiral, and a plurality of tails enclose into the shrink space, have the interval between the adjacent tail.

3. The round waterproof connector male end piece of claim 2, wherein: the rear shell is provided with spiral inner teeth matched with the spiral outer teeth of the front shell, a conical cavity is formed between the spiral inner teeth of the rear shell and the cable hole, and the cable hole is in accordance with the size of the crystal head.

Images