CN217545104U

CN217545104U - Electric connection assembly with built-in locking structure

Info

Publication number: CN217545104U
Application number: CN202123271097.4U
Authority: CN
Inventors: 李智乐; 尚国玺
Original assignee: Henan Kaiwang Research Institute Of New Materials Co ltd
Current assignee: Henan Kaiwang Research Institute Of New Materials Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-10-04
Anticipated expiration: 2031-12-23

Abstract

The invention relates to the technical field of electronics, and provides an electric connection assembly with a built-in locking structure, which comprises a socket, wherein the socket comprises a rubber core and a contact assembly, the rubber core comprises a butt joint part, an assembly part and a terminal hole, and the assembly part is provided with an assembly cavity for the terminal hole to pass through; the contact assembly comprises a bobbin terminal and a clamping elastic sheet, the bobbin terminal comprises a bobbin pipe part inserted in the terminal hole, the bobbin pipe part is provided with a notch part communicated with the insertion cavity, the notch part is flattened backwards to form a side plane along the notch part, and the notch part and the side plane are positioned in the assembly cavity; the assembly chamber is located to the centre gripping shell fragment and includes the dull and stereotyped portion of adaptation side plane and the elastic component of the corresponding breach portion adaptation that the dull and stereotyped portion extends forward, and the elastic component end is formed with conflict portion, and the conflict portion outside is transversely close to and holds and insert the chamber center, has solved the technical problem that strengthens the power of inserting and pulling through aforementioned structure, has reached effective contact and has promoted the purpose of result of use.

Description

Electric connection assembly with built-in locking structure

Technical Field

The invention relates to the technical field of electronics, in particular to an electric connection assembly with a built-in locking structure.

Background

In the electric connector with the matched male head and the female head in the prior art, the male head and the female seat are respectively provided with the round needle and the round hole, when the male head and the female seat are matched, the round needle of the male head and the round hole of the female seat are not provided with a locking mechanism, the effective plugging and the non-loosening retaining force cannot be easily realized only by the self friction force of the contact piece, and moreover, the self retaining force of the round needle and the round hole type contact piece is very small, the plug and the socket are easily separated, so that the unreliable connection is caused.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides an electrical connection assembly with a built-in locking structure.

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

the utility model provides an electric connection assembly of built-in locking structure, includes the socket, and the socket includes the firm contact assembly of gluey core, wherein: the rubber core comprises a butt joint part, an assembly part and a pair of terminal holes, wherein the assembly part is accommodated and extended by the butt joint part, the terminal holes penetrate through the butt joint part and the assembly part, and an assembly cavity for the terminal holes to penetrate through is formed in the assembly part; the contact assembly comprises a bobbin terminal and a clamping elastic sheet, the bobbin terminal comprises a bobbin part inserted in the terminal hole, the bobbin part is provided with a notch part communicated with the insertion accommodating cavity and is backwards flattened along the notch part to form a side plane, and the notch part and the side plane are positioned in the assembly cavity; the clamping elastic sheet is arranged in the assembly cavity and comprises a flat plate part matched with the side plane and an elastic part which is formed by extending the flat plate part forwards and matched with the corresponding notch part, the tail end of the elastic part is provided with a collision part, and the outer side of the collision part is transversely close to the center of the accommodating cavity.

In this embodiment, the bobbin terminal preferably includes a welding line portion extending from the bobbin portion, and the flat plate portion is formed with a spring piece abutting against the side flat surface.

In the present embodiment, the contact assembly preferably includes a pair of bobbin terminals which are respectively fixed in the corresponding terminal holes in the fitting cavity in such a manner that the notched portions are opposed to each other so that the wire bonding portion is located behind the fitting portion.

In this embodiment, preferably, the contact assembly includes a pair of clamping spring plates adapted to the assembly cavity, and the pair of clamping spring plates are located between the pair of bobbin terminals and abut against the side plane through the respective spring plates, so that the respective abutting portions are movable in the insertion cavity of the notch portion.

In this embodiment, it is preferable that the mounting device further includes an insulating plug that encloses the mounting cavity and spaces and secures the holding spring in the mounting cavity in a manner that does not hinder the elastic portion from elastically moving in the notch portion.

In this embodiment, the tail housing preferably further comprises a housing portion having a housing cavity for receiving the mounting portion and a wire hole for passing a wire connected to the wire bonding portion.

there is provided an electrical connection assembly with a built-in locking structure, comprising a plug including an insulator and a terminal member, wherein: the insulator comprises a butt-inserting part, a basic part formed by shrinking the rear end of the butt-inserting part and a pair of accommodating holes penetrating through the butt-inserting part and the basic part; the terminal piece comprises a pair of plug terminals, each plug terminal comprises a fixed section matched with the containing hole, a plugging part at the front end of the fixed section and a wiring part at the rear section of the fixed section, the free end of the plugging part is provided with a spherical part, an annular groove is formed between the spherical part and the plugging part in a shrinkage mode, and the fixed section and the containing hole are stably interfered, so that the plugging part is exposed in front of the corresponding plugging part, and the wiring part is exposed behind the basic part.

In this embodiment, it is preferable that the connector further includes a rear housing including a main body portion having a cavity for accommodating the base portion and a hole for passing a cable connected to the wiring portion.

In the present embodiment, it is preferable that the rear case and the insulator are fixed by a mutual interference structure or by screwing, or by ultrasonic welding.

the utility model provides an electric connection assembly of built-in locking structure, including the socket and with the plug of socket adaptation, the socket includes the firm contact assembly of gluey core, the plug includes the firm terminal spare of insulator, wherein: the contact assembly comprises a bobbin terminal and a clamping elastic sheet, the bobbin terminal comprises a bobbin part with an accommodating and inserting cavity, the bobbin part is provided with a notch part communicated with the accommodating and inserting cavity, and a side plane is formed close to the notch part; the clamping elastic sheet comprises a flat plate part matched with the side plane and an elastic part which extends forwards from the flat plate part and is positioned at the gap part, the tail end of the elastic part forms a contact part, and the outer side of the contact part is transversely close to the center of the plug accommodating cavity; the terminal piece includes the plug terminal, and the plug terminal includes the grafting portion that adapts to and holds the plug cavity, and grafting portion free end has spherical portion, and the shrink is formed with adaptation conflict portion annular groove between spherical portion and grafting portion.

Compared with the prior art, the invention has the beneficial effects that: through installing the centre gripping shell fragment additional and making the conflict portion of elasticity portion interfere with the ring channel of grafting portion to this plug power when increasing plug and socket adaptation has both guaranteed the reliability of these two connection contacts, has also solved the problem that the two is difficult for deviating from after pegging graft, has promoted the result of use.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a schematic view of the use state of the present embodiment.

Fig. 3 is an analysis schematic diagram of the socket of fig. 2.

Fig. 4 is an analysis schematic of the contact assembly of fig. 3.

Fig. 5 is an analysis schematic diagram of the plug of fig. 2.

Fig. 6 is a front view of the present embodiment.

Fig. 7 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 6.

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, "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 to 7, an electrical connector assembly with a built-in locking structure is provided, the electrical connector comprises a socket 100 and a plug 200 adapted to the socket, wherein:

the socket 100 includes a rubber core 10 and a contact assembly 20 secured by the rubber core 10, wherein:

the rubber core 10 comprises a butt joint part 11, an assembly part 12 formed by shrinking the rear end of the butt joint part and a pair of terminal holes 13 penetrating through the butt joint part 11 and the assembly part 12, wherein the assembly part 12 is hollowed to form an assembly cavity 121 for the terminal holes 13 to penetrate through;

the contact assembly 20 comprises a bobbin terminal 21 and a clamping spring sheet 22, the bobbin terminal 21 comprises a barrel part 211, an insertion accommodating cavity 212 formed by the barrel part 211 penetrating backwards and a welding line part 213 formed by the rear end of the barrel part 211 contracting and extending, a notch part 2111 hollowed inwards and communicated with the insertion accommodating cavity 212 is formed on the periphery of the barrel part 211, and a side plane 2112 is formed by cutting backwards along the rear wall of the notch part 2111; the holding elastic sheet 22 includes a flat plate portion 221 for fitting the side plane 2112 and an elastic portion 222 extending forward from the flat plate portion 221 and fitting the notch portion 2111, the elastic sheet 2211 is formed by punching the flat plate portion 221 corresponding to the side plane 2112, and an abutting portion 2221 protruding outward is formed at the end of the elastic portion 222. In this example, the pair of bobbin terminals 21 are inserted into the corresponding terminal holes 13 with the notch portions 2111 facing each other, so that the notch portions 2111 and the side planes 2112 are located in the assembly cavity 121, and the bonding wire portions 213 are exposed behind the assembly portion 12; a pair of holding spring pieces 22 is located between the pair of bobbin terminals 21 in the assembly cavity 121 and abuts against the side planes 2112 through the respective spring pieces 2211, so that the respective interference portions 2221 move in the insertion-receiving cavities 212 of the notched portions 2111. In order to space and stabilize the pair of clamping spring pieces 22 in the assembly cavity 121, an insulating plug 23 is further arranged, which can be adapted to encapsulate the assembly cavity 121 and can not prevent the elastic part 222 from performing elastic movement in the notch part 2111;

the above figures also include a tail housing 30, the tail housing 30 including a housing portion 31, the housing portion 31 having a housing cavity 32 for receiving the mounting portion 12 and a wire hole 33 for passing a wire connected to the wire bonding portion 213. In this embodiment, the tail shell 30 and the rubber core 10 may be fixed by an interference structure, by screwing, or by ultrasonic welding.

In the present embodiment, as shown in fig. 1 to 7, the plug 200 in the drawings includes an insulator 40, a terminal piece 50, and a rear housing 60, wherein:

the insulator 40 comprises a butt-inserting part 41, a basic part 22 formed by shrinking the rear end of the butt-inserting part, and a pair of accommodating holes 43 penetrating through the butt-inserting part 41 and the basic part 42;

the terminal piece 50 comprises a pair of plug terminals 51, each plug terminal 51 comprises a matched fixed section 51, a plugging part 52 at the front end of the fixed section and a wiring part 54 at the rear section of the fixed section, the free end of the plugging part 52 is provided with a spherical part 53, an annular groove 55 matched with the interference part 2221 is formed between the spherical part 53 and the plugging part 52 in a shrinkage mode, and the fixed section 51 is stably interfered with the accommodating hole 43, so that the plugging part 52 is exposed in front of the opposite plugging part 41, and the wiring part 54 is exposed behind the basic part 42;

the rear housing 60 includes a main body portion 61, and the main body portion 61 has a cavity 62 for receiving the base portion 42 and a hole (not labeled) for passing a cable 70 connected to the wire connection portion 54. In this example, the rear case and the insulator may be fixed by an interference structure or by screwing, or may be fixed by ultrasonic welding.

In the present embodiment, as shown in fig. 1, fig. 2 and fig. 7, when the socket 100 is fitted to the plug 200, the inserting portion 52 is inserted into the accommodating cavity 212 under the guidance of the spherical portion 53, and the spherical portion 53 passes through the interference portion 2221 in the accommodating cavity 212 and makes the interference portion 2221 abut against the annular groove 55, so as to increase the insertion and extraction force, thereby implementing the locking function of the present invention.

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 it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an electric connection assembly of built-in locking structure, includes the socket, and the socket is including gluing the firm contact assembly of core, its characterized in that: the rubber core comprises a butt joint part, an assembly part and a pair of terminal holes, wherein the butt joint part is accommodated and extended by the assembly part, the terminal holes penetrate through the butt joint part and the assembly part, and an assembly cavity for the terminal holes to penetrate through is formed in the assembly part; the contact assembly comprises a bobbin terminal and a clamping elastic sheet, the bobbin terminal comprises a bobbin pipe part inserted in the terminal hole, the bobbin pipe part is provided with a notch part communicated with the insertion cavity, the notch part is flattened backwards to form a side plane along the notch part, and the notch part and the side plane are positioned in the assembly cavity; the clamping elastic sheet is arranged in the assembly cavity and comprises a flat plate part matched with the side plane and an elastic part which is formed by extending the flat plate part forwards and matched with the corresponding notch part, the tail end of the elastic part is provided with a collision part, and the outer side of the collision part is transversely close to the center of the accommodating cavity.

2. The electrical connection assembly of a built-in locking structure of claim 1, wherein: the bobbin terminal comprises a welding wire part extended from the bobbin part, and the flat plate part is provided with an elastic sheet abutting against the side plane.

3. The electrical connection assembly of a built-in locking structure of claim 2, wherein: the contact assembly includes a pair of bobbin terminals secured in the mounting cavities in opposing relationship to the notched portions in respective terminal holes such that the wire bonding portions are behind the mounting portions.

4. The electrical connection assembly of a built-in locking structure of claim 3, wherein: the contact assembly comprises a pair of clamping spring pieces which are matched with the assembly cavity, the clamping spring pieces are positioned between the bobbin terminals and abut against the side plane through the respective spring pieces, so that the abutting parts move in the accommodating cavity of the notch part.

5. The electrical connection assembly with built-in locking structure of claim 4, wherein: the insulating plug is used for sealing the assembly cavity and spacing and stabilizing the clamping elastic sheet in the assembly cavity in a mode of not blocking the elastic part to perform elastic movement at the notch part.

6. The electrical connection assembly with built-in locking structure of claim 5, wherein: the tail shell comprises a shell body, wherein the shell body is provided with a shell cavity for accommodating the assembling portion and a wire hole for a cable connected with the welding wire portion to pass through.

7. An electric connection assembly with a built-in locking structure, which comprises a plug, wherein the plug comprises an insulator and a terminal piece, and is characterized in that: the insulator comprises a butt-inserting part, a basic part formed by shrinking the rear end of the butt-inserting part and a pair of accommodating holes penetrating through the butt-inserting part and the basic part; the terminal piece comprises a pair of plug terminals, each plug terminal comprises a fixed section matched with the containing hole, a plugging part at the front end of the fixed section and a wiring part at the rear section of the fixed section, the free end of the plugging part is provided with a spherical part, an annular groove is formed between the spherical part and the plugging part in a shrinkage mode, and the fixed section and the containing hole are stably interfered, so that the plugging part is exposed in front of the corresponding plugging part, and the wiring part is exposed behind the basic part.

8. The electrical connection assembly of a built-in locking structure of claim 7, wherein: the rear shell comprises a main body part, and the main body part is provided with a cavity for accommodating the basic part and a hole for the cable connected with the wiring part to pass through.

9. The electrical connection assembly of a built-in locking structure of claim 8, wherein: the rear shell and the insulator are fixed through mutual interference structures or are fixed through screwing or are fixed through ultrasonic welding.

10. The utility model provides an electric connection assembly of built-in locking structure, includes the socket and with the plug of socket adaptation, the socket is including gluing the firm contact assembly of core, the plug includes the terminal spare that the insulator is firm, its characterized in that: the contact assembly comprises a bobbin terminal and a clamping elastic sheet, the bobbin terminal comprises a bobbin part with an accommodating and inserting cavity, the bobbin part is provided with a notch part communicated with the accommodating and inserting cavity, and a side plane is formed close to the notch part; the clamping elastic sheet comprises a flat plate part matched with the side plane and an elastic part which extends forwards from the flat plate part and is positioned at the gap part, the tail end of the elastic part forms a contact part, and the outer side of the contact part is transversely close to the center of the plug accommodating cavity; the terminal piece includes the plug terminal, and the plug terminal includes the grafting portion that adapts to and holds the plug cavity, and grafting portion free end has spherical portion, and the shrink is formed with adaptation conflict portion annular groove between spherical portion and grafting portion.