CN111755876A

CN111755876A - Electric connection assembly

Info

Publication number: CN111755876A
Application number: CN202010637585.3A
Authority: CN
Inventors: 陈海刚; 尹会然
Original assignee: Zhoukou Haixin Precision Industry Co ltd
Current assignee: Zhoukou Haixin Precision Industry Co ltd
Priority date: 2020-07-05
Filing date: 2020-07-05
Publication date: 2020-10-09

Abstract

The invention relates to the technical field of electric connectors and discloses an electric connection assembly which comprises a male piece, wherein the male piece comprises a front shell, a crystal head, a waterproof plug and a rear shell, wherein the crystal head is connected with the cable and movably arranged in a containing chamber of the front shell, a plurality of spring plates which extend in a surrounding way are arranged behind the front shell, the spring plates form a space for containing the waterproof plug, the waterproof plug is provided with a central hole, the cable penetrates through the central hole to a tail end hole arranged on the rear shell, outer thread parts matched with the inner thread part of the rear shell are formed at the peripheries of the root parts of the spring plates, the front shell is matched with the rear shell and extrudes the spring plates to the waterproof plug through the rear shell to deform, so that the waterproof plug holds the cable tightly and fills the space in a sealing way, through the structure, the problems of water resistance and no need of hard insertion and hard pulling during use are solved, the effects of simple combination, convenient assembly, product yield improvement and cost reduction are realized.

Description

Electric connection assembly

Technical Field

The present invention relates to the field of electrical connectors, and more particularly, to an electrical connector assembly.

Background

An electrical connector is an electrical connection component that people often contact in daily work and life. Its effect is very simple: a bridge for communication is built between the blocked or isolated dead circuits in the circuit, so that current flows and the circuit realizes the predetermined function. Electrical connectors are indispensable components of electronic equipment, and one or more electrical connectors are always found when viewed along a path through which an electric current flows. The form and structure of the electrical connector vary widely, and the electrical connector may be in various forms according to different application objects, frequencies, power, application environments, and the like. For example, connectors for lights on a court, connectors for hard drives, and electrical connectors for rocket lights are quite different. However, in any connector, it is necessary to ensure smooth, continuous and reliable flow of current. Currently used RJ45 connectors do not have corresponding protection devices to block them from the outside, which can result in dust accumulation or water ingress in the electrical connector, including moisture formed during environmental changes, which can result in conductive failure of the electrical connector or associated equipment. There is a need in the market for a simple, easy to manufacture, easy to use, inexpensive and inexpensive round waterproof RJ45 connector.

Disclosure of Invention

To solve the above technical problems, the present invention provides an electrical connection assembly.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides an electric connection assembly, includes public spare, public spare includes preceding shell, quartzy head, waterproof stopper and backshell, wherein: the quartzy head is connected a cable and the activity is arranged in the appearance room that the preceding shell has, at a plurality of shell fragments that extend with the surrounding type behind the preceding shell, a plurality of shell fragments form the space that holds waterproof plug and pack into, waterproof plug has the centre bore, the cable runs through the centre bore and wears out to the end hole that the backshell was equipped with, the root periphery of a plurality of shell fragments is formed with the external screw thread portion with backshell internal thread portion looks adaptation, preceding shell and backshell adaptation and extrude shell fragment to waterproof plug through the backshell and warp to make waterproof plug hold the cable tightly and fill the space with sealed form.

Preferably, in this embodiment, the front shell includes a front section and a rear section, the front section has an end surface, the accommodating chamber is formed by hollowing out the end surface in the opposite direction, a blocking portion is provided between the accommodating chamber and the space, the blocking portion has a through hole which is in line with the straight-through passage of the crystal head, the accommodating chamber includes two side walls, and the two side walls are provided with clamping positions in a symmetrical manner respectively.

In this embodiment, preferably, the rear shell includes an inner tapered surface inside the shell, the end of the inclined plane formed at the end of the rear section spring plate is matched with the inner tapered surface, and a circular hole which is in accordance with the straight-through of the crystal head is formed at the end of the inner tapered surface.

In this embodiment, the waterproof plug is preferably formed of a soft rubber material and has a cut for allowing the cable segment to cut into the central hole.

In this embodiment, the front section preferably has an annular outer surface, and the annular outer surface is provided with a button linked to the accommodating chamber, and the button is not limited to being integrally formed with the front shell, nor to being assembled to the front shell by bonding, welding, or clipping.

In this embodiment, the crystal head preferably includes a base portion and an elastic clamping portion connected to the base portion, the elastic clamping portion extends to the pressing portion, and the pressing portion corresponds to the button and is located below the button.

the utility model provides an electric connection assembly, includes female member, and female member includes socket and external mold, and the external mold cladding socket back end, socket include insulator, terminal and make in the lid of insulator installation face, and the lid stabilizes the terminal and makes terminal touch portion go deep into to the insulator from the terminal hole and hold the chamber, wherein: the insulator comprises a columnar part, the columnar part is provided with an end face opposite to the mounting face, the accommodating cavity is formed by hollowing from the end face to the mounting face, a concave part is formed on the mounting face, a partition plate is arranged between the accommodating cavity and the concave part, terminal holes are arranged on the partition plate and penetrate through the accommodating cavity from the concave part, and a positioning groove is formed in one wall of the accommodating cavity and communicated with one end of each terminal hole; the terminal has the leg with cable one end welding, the leg extends perpendicularly and has the fixed part, the fixed part other end extends perpendicularly in order to deviate from the leg direction and has the location portion, the location portion extends has the portion of turning back, the portion of turning back connects and touches the portion, the fixed part buries in the lid and makes terminal and lid form an organic whole, the lid is assembled in the concave part, location portion, the portion of turning back and touch the portion and arrange the cavity in through the terminal hole, location portion falls into the constant head tank, touches the portion and inclines in the cavity.

In this embodiment, the insulator preferably includes two outer side surfaces, and the outer side surfaces are provided with respective engagement points.

In the embodiment, preferably, the concave part is provided with an upper mortise and a lower mortise which penetrate through the containing cavity on the partition board along the corner, and is provided with a top wall and a plane corresponding to the top wall; the cover body comprises a main body, the main body is provided with an upper bonding surface matched with the top wall and a lower bonding surface matched with the plane, the two sides of the upper bonding surface extend forwards to form an upper tenon interfering with the upper mortise, and the two sides of the lower bonding surface extend forwards to form a lower tenon interfering with the lower mortise.

In this embodiment, it is preferred that the body has a rear face with a platform portion extending therefrom, the platform portion has a slot, the cable has a core wire, the solder tail has a solder face adapted for soldering of the core wire, the solder tail is embedded in the platform portion, and the solder face is exposed to the outside of the platform portion through the slot.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the terminals are embedded in the cover body through injection molding by an embedded mold technology or directly embedded in the insulator, so that the waterproof effect can be effectively improved, and meanwhile, automatic operation can be realized, so that the productivity is effectively improved;

secondly, the structure is simple, the realization is easy, the cost can be reduced, and the product yield can be improved;

thirdly, on the basis of the structure of the traditional crystal head, the structure of the related assembly is improved, the problem that the crystal head is limited to directly pass through the tube cavity when being arranged in the tube cavity is solved, and the problem that the crystal head is limited to be pulled out after being inserted into the tube cavity is also solved.

Drawings

Fig. 1 is a sectional view of the combined structure of the electrical connector of the present embodiment.

Fig. 2 is an exploded perspective view of the male member of this embodiment.

Fig. 3 is an exploded perspective view of the male member of this embodiment from another perspective.

Fig. 4 is a plan view of the front shell of the male member of this embodiment.

Fig. 5 is a side view of the male member of this embodiment.

Fig. 6 is a perspective view of the male member of this embodiment after assembly.

Fig. 7 is an exploded perspective view of the female member in this embodiment.

Fig. 8 is an exploded perspective view of the female member of this embodiment from another perspective.

Fig. 9 is a perspective view of the female member of this embodiment after assembly.

Description of reference numerals:

10 male parts, 1 front shell, 11 front section, 111 stripe, 12 end face, 121 chamber, 13 external thread part, 14 elastic sheet, 141 inclined plane end, 15 button, 16 space, 17 through hole, 2 crystal head, 21 base, 22 elastic sheet, 221 pressing part, 3 waterproof plug, 31 center hole, 4 rear shell, 41 rear cavity, 42 internal thread part, 43 inclined plane, 5a cable;

60 female parts, 6 insulators, s-column parts, 61 end faces, 611 containing cavities, 62 mounting faces, 621 concave parts, 622 cambered surfaces, 63 tail parts, 631 side walls, 632 planes, 64 partition plates, 641 terminal holes, 642 upper mortise holes, 643 lower mortise holes, 65 sides, 651 clamping points, 7 terminals, 71 welding feet, 72 fixing parts, 73 positioning parts, 74 folding parts, 75 contact parts, 8 cover bodies, 81 main bodies, 811 upper combining faces, 82 upper tenons, 83 lower combining faces, 831 lower tenons, 84 platform parts, 841 grooves, 5b cables, 51b core wires, 9 outer molds and 91 stripes.

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, the drawings only schematically show the parts relevant to the present invention, 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, "one" means not only "only one" 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 and includes any and all possible combinations of one or more of the associated listed items.

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 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 the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

In the present embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 7 and fig. 8, an electrical connection assembly is provided, which includes a male component 10 and a female component 60 adapted to the male component 10, the male component 10 includes a front shell 1, a crystal head 2, a waterproof plug 3, a rear shell 4 and a cable 5a connected to the crystal head 2, the female component 60 includes an RJ45 socket adapted to the crystal head 2, another cable 5b connected to the socket, and an outer mold 9 covering a rear section of the socket, wherein the socket includes an insulator 6, a terminal 7 and a cover 8 combined on a mounting surface 62 of the insulator 6, the cover 8 stabilizes the terminal 7 and enables a contact 75 of the terminal 7 to penetrate from a terminal hole 641 into a cavity 611 on an end surface 61 of the insulator 6, and the contact 75 is adapted to the crystal head 2 in the cavity 611; the front shell 1 is provided with a containing chamber 121 matched with the end surface 61 of the insulator 6, clamping points 651 are formed on two sides (namely two corresponding outer side surfaces) 65 of the insulator 6, the clamping points 651 are matched with clamping positions (not marked) on two side walls (not marked) of the containing chamber 121, and the clamping positions are interfered by the clamping points 651, so that the force of combining the socket and the front shell 1 is enhanced. In this embodiment, the crystal head 2 is movably fitted into the accommodating cavity 611 in the accommodating cavity 121 of the front housing 1, a plurality of elastic pieces 14 extend from the rear of the front housing 1 in a surrounding manner, a space 16 formed by the plurality of elastic pieces 14 can accommodate the waterproof plug 3, a cable 5a connected with the crystal head 2 penetrates through a central hole 31 of the waterproof plug 3 and penetrates out of a terminal hole (not labeled) of the rear housing 4, an external thread part 13 screwed and combined with an internal thread part 42 of the rear housing 4 is formed on the periphery of the root part of the plurality of elastic pieces 14, when the front housing 1 is fitted with the rear housing 4, the cable 5a is tightly held by the waterproof plug 3 by pressing the elastic pieces 14 by screwing the rear housing 4, and the space 16 is also filled with the pressed and deformed waterproof plug 3, so that external moisture cannot enter the front end surface (including the crystal head), thereby blocking the entry of the moisture.

Referring to fig. 1 to fig. 3 in combination with fig. 4 and fig. 6, in the electrical connection assembly, the front and

rear shells

1 and 4 of the male component 10 are not limited to injection molding, wherein the front shell includes a front section 11 and a rear section 14 divided by an intermediate blocking portion (not labeled). In this embodiment, the front section 11 has an end surface 12, a containing chamber 121 adapted to the crystal head 2 is formed by hollowing inward (backward) from the end surface 12, the containing chamber 121 is communicated with the space 16 through a through hole 17, the through hole 17 is in accordance with the size of the straight-through shape of the crystal head 2, the external thread portion 13 is disposed at the periphery of the front shell 1 between the blocking portion and the root of the rear section spring 14, the outer edge of the tail end of the rear section spring 14 is formed with an inclined end 141 abutted against the inner tapered surface (not labeled) of the rear shell 4, the through hole 17 can enable the crystal head 2 to be freely inserted into the containing chamber 121 from the space 16, and the blocking portion can prevent the waterproof plug 3 from sliding into the containing chamber 121 when being extruded and deformed by. In this example, the end 43 of the rear shell 4 opposite the inner conical surface is formed with a circular hole (not labeled) that coincides with the straight direction through which the crystal head 2 passes. Because waterproof stopper 3 is the formation of flexible glue material, at present, when

backshell

1, 4 were screwed up, shell fragment 14 extrusion waterproof stopper 3 warp for the cable 5a of connecting quartzy head 2 is firmly embraced tightly in centre bore 31, and the front end that waterproof stopper 3 extrusion warp this moment can fill up through-hole 17, and the rear end that waterproof stopper 3 extrusion warp then fills up the circular port, so that outside aqueous vapor can't soak and reach the purpose of blocking the aqueous vapor. In this example, the waterproof plug 2 has a cut (not referenced) for the wire section of the cable to cut into the central hole; the front shell and the rear shell are round outer surfaces, the stripes 111 are arranged on the round outer surfaces, the stripes 111 can increase friction force, and the front shell 1 and the rear shell 4 can be screwed or unscrewed conveniently.

In the present embodiment, as shown in fig. 1 to 6, the push button 15 assisting the elastic locking portion 22 of the crystal head 2 is provided on the annular outer surface of the front section 11, and the push button 15 is not limited to being formed by injection molding at the same time with the front housing 1, nor to being assembled on the front housing 1 by bonding, welding or locking. In this embodiment, the crystal head 2 includes a base 21 and an elastic clamping portion 22 connected to the base 21, the elastic clamping portion 22 extends to form a pressing portion 221, when the crystal head 2 is fitted into the cavity 611, the male component is fitted into the female component, and the pressing portion 221 is located below the button 15, so that the problem that the crystal head 2 is inconvenient to pull out (disengage) when the male and female components are to be disassembled after fitting is solved.

With continued reference to fig. 1 and with combined reference to fig. 7-9, in the female member 60, the insulator 6 is a circular structure formed by injection molding and includes a pillar portion s having an end surface 61 and a mounting surface 62 opposite to the end surface. In this example, the end surface 61 is hollowed out toward the mounting surface 62 to form a receptacle 611 adapted to the insertion of the crystal head 2, the mounting surface 62 is retracted toward the end surface to form a recess 621, the recess 621 has an arc top wall 622, a tail 63 extends from the mounting surface 62, the tail 63 and the recess 621 together form a rear cavity (not labeled) assembled with the cover 4, the tail 63 is connected to an extrados (not labeled) of the columnar portion s, and a plane 632 connecting lower edges of the two side walls 631 is formed with respect to the extrados (i.e., outside the rear cavity). A partition plate 64 is formed between the accommodating cavity 611 and the concave part 621, terminal holes 641 conforming to the standard number of RJ45 type connectors are arranged in the partition plate 64, the terminal holes 641 penetrate from the concave part 621 to the accommodating cavity 611, and positioning grooves (not shown) are arranged in the accommodating cavity 611 corresponding to the terminal holes 641 and opposite to the terminal positioning part 73; in this example, the partition plate 64 is provided with upper and

lower mortises

642, 643 penetrating the receptacle 611 and fitting the upper and lower tenons 32, 331 along the corners of the recess 621.

Referring to fig. 1 in combination with fig. 7 to 9, the terminal 7 has a solder leg 71 welded to one end of another cable 5b, and further has a fixing portion 72 vertically connected to the solder leg 71, a positioning portion 73 vertically extends from the other end of the fixing portion 72 in a direction away from the solder leg 71, the positioning portion 73 extends to form a folded portion 74, the folded portion 74 extends to form a contact portion 75, and the tilting angle of the contact portion 75 relative to the positioning portion 73 is 45 ° to 30 °, so as to facilitate connection with the terminal of the crystal head 2. In this example, the fixing portion 23 is embedded in the lid body 2 by insert molding technique to integrate the terminal 7 with the lid body 2. However, the cover 8 is shaped to just fill (close) the fitting structure of the recess 621 and includes a main body 81, the top surface of the main body 81 has an upper engaging surface 811 fitting the curved surface 622, both sides of the upper engaging surface 811 extend forward with upper tenons 82 interfering with mortise 642, the bottom end of the main body 81 has a lower engaging surface 83 engaging with the plane 632, both sides of the lower engaging surface 83 extend forward with lower tenons 831 interfering with mortise 643; a platform 84 extends behind the body 81 opposite to the tenon, the solder leg 71 has a solder surface (not labeled) for soldering the core 51b of another cable, the solder leg 71 is buried in the platform 84, and the solder surface of the solder leg 71 is exposed outside the platform 84 through the groove 841 formed in the platform 84, so as to facilitate soldering with the core 51b of another cable. In this example, the insert mold technique is a process of inserting the terminal 7 into a predetermined mold of the cover 8 and forming the terminal 7 and the cover 8 into a single body by injection molding, which is accomplished by an injection molding machine or an injection molding machine (automated).

In the above embodiments, the descriptions of the respective embodiments have 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, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric connection assembly, includes public piece, public piece is including preceding shell, quartzy head, waterproof stopper and backshell, its characterized in that: the quartzy head is connected a cable and the activity is arranged in the appearance room that the preceding shell has, at a plurality of shell fragments that extend with the surrounding type behind the preceding shell, a plurality of shell fragments form the space that holds waterproof plug and pack into, waterproof plug has the centre bore, the cable runs through the centre bore and wears out to the end hole that the backshell was equipped with, the root periphery of a plurality of shell fragments is formed with the external screw thread portion with backshell internal thread portion looks adaptation, preceding shell and backshell adaptation and extrude shell fragment to waterproof plug through the backshell and warp to make waterproof plug hold the cable tightly and fill the space with sealed form.

2. The electrical connection assembly of claim 1, wherein: the front shell comprises a front section and a rear section of elastic sheets, the front section is provided with an end face, the containing chamber is formed by hollowing out the end face in the opposite direction, a stopping part is arranged between the containing chamber and the space and provided with a through hole which is in line with the straight-through passing of the crystal head, the containing chamber comprises two side walls, and the two side walls are respectively provided with clamping positions in a symmetrical mode.

3. The electrical connection assembly of claim 2, wherein: the backshell includes the interior toper face of shell, and the terminal inclined plane end adaptation interior conical surface that forms of back end shell fragment forms including the terminal circular port that accords with the quartzy head and directly pass through that forms of interior conical surface.

4. The electrical connection assembly of claim 3, wherein: the waterproof plug is made of soft rubber materials and is provided with a notch for allowing the cable segment to cut into the central hole.

5. The electrical connection assembly of claim 4, wherein: the anterior segment has annular surface, is equipped with the button that links to holding the room at annular surface, and the button is not limited to and is formed an organic whole with preceding shell, does not also be limited to and assembles on preceding shell through bonding, welding or joint mode.

6. The electrical connection assembly of claim 5, wherein: the crystal head comprises a base part and an elastic clamping part connected with the base part, the elastic clamping part extends to press the part, and the pressing part corresponds to the button and is positioned below the button.

7. The utility model provides an electric connection assembly, includes female member, and female member includes socket and external mold, and external mold cladding socket back end, socket include insulator, terminal and make up in the lid of insulator installation face, and the lid stabilizes the terminal and makes the terminal touch portion go deep into to the insulator from the terminal hole and hold the chamber in its characterized in that: the insulator comprises a columnar part, the columnar part is provided with an end face opposite to the mounting face, the accommodating cavity is formed by hollowing from the end face to the mounting face, a concave part is formed on the mounting face, a partition plate is arranged between the accommodating cavity and the concave part, terminal holes are arranged on the partition plate and penetrate through the accommodating cavity from the concave part, and a positioning groove is formed in one wall of the accommodating cavity and communicated with one end of each terminal hole; the terminal has the leg with cable one end welding, the leg extends perpendicularly and has the fixed part, the fixed part other end extends perpendicularly in order to deviate from the leg direction and has the location portion, the location portion extends has the portion of turning back, the portion of turning back connects and touches the portion, the fixed part buries in the lid and makes terminal and lid form an organic whole, the lid is assembled in the concave part, location portion, the portion of turning back and touch the portion and arrange the cavity in through the terminal hole, location portion falls into the constant head tank, touches the portion and inclines in the cavity.

8. The electrical connection assembly of claim 7, wherein: the insulator comprises two outer side surfaces, and clamping points are respectively arranged on the outer side surfaces.

9. The electrical connection assembly of claim 8, wherein: the concave part is provided with an upper mortise and a lower mortise which run through the containing cavity on the partition board along the corner and is provided with a top wall and a plane corresponding to the top wall; the cover body comprises a main body, the main body is provided with an upper bonding surface matched with the top wall and a lower bonding surface matched with the plane, the two sides of the upper bonding surface extend forwards to form an upper tenon interfering with the upper mortise, and the two sides of the lower bonding surface extend forwards to form a lower tenon interfering with the lower mortise.

10. The electrical connection assembly of claim 9, wherein: the main part has the back, and the back extends there is platform portion, and platform portion has the groove, and the cable has the heart yearn, and the leg has adaptation heart yearn welded face, and the leg buries in platform portion, and the face of welding exposes in platform portion outside through the groove.