CN219086275U - Terminal - Google Patents

Abstract

The utility model relates to a terminal, which comprises a shell and a PCB, wherein the shell is provided with a containing cavity for containing the PCB; the PCB is fixedly arranged in the accommodating cavity through the cooperation of the second positioning part and the first positioning part; the shell is provided with a plurality of through holes which are communicated with the surface of the shell to the accommodating cavity; the conductive parts are arranged in the through holes in a one-to-one correspondence manner, and the inner walls of the through holes are in contact with the conductive parts; one end of the conductive piece is electrically connected with the PCB, and the other end of the conductive piece extends to a position which can be electrically connected with a part outside the terminal along the through hole. The beneficial effects are as follows: space is saved, cost is reduced, and connection is stable and reliable.

Description

Terminal

Technical Field

The utility model belongs to the technical field of terminals, and particularly relates to a terminal.

Background

Along with the social development, terminals such as mobile phones and computers are developed towards light weight and miniaturization, but the thickness of the basic housing and display assembly is reduced to the limit, so that the light weight and miniaturization also results in a narrow internal space of the terminal, and as the functions of the terminal are increased, the required elements are correspondingly increased; how to reduce redundant elements or shorten the connecting lines among the elements as much as possible is a key for realizing the development of light weight and miniaturization of the terminal.

In the prior art, aiming at the contacts for signal interaction and charging, an FPC (namely a flexible circuit board) and a POGO PIN (namely a POGO PIN connector) are welded, then are assembled on a device shell, and then the FPC is connected with the PCB; typically, the housing is perforated, and the contact end of the pogo pin is disposed on the outer periphery or outer surface of the terminal; among them, in the current design, there is the following problem, firstly, to FPC, need consider its accommodation space and wiring overall arrangement, and FPC is inconvenient for the equipment, secondly, welds FPC and POGO PIN, very easily appears the rosin joint and leads to the condition that breaks away from to make electric connection break off, finally, need consider the required space of setting up POGO PIN equally.

Disclosure of Invention

The utility model aims to provide a terminal so as to solve the problem of contact connection in the development of light weight and miniaturization of the conventional terminal.

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

a terminal comprises a shell and a PCB board, wherein,

the shell is provided with an accommodating cavity for accommodating the PCB; the PCB is fixedly arranged in the accommodating cavity through the cooperation of the second positioning part and the first positioning part;

the shell is provided with a plurality of through holes which are communicated with the surface of the shell to the accommodating cavity;

the conductive parts are arranged in the through holes in a one-to-one correspondence manner, and the inner walls of the through holes are in contact with the conductive parts;

one end of the conductive piece is electrically connected with the PCB, and the other end of the conductive piece extends to a position which can be electrically connected with a part outside the terminal along the through hole.

Preferably, the PCB is provided with a conductive part; the PCB board is connected with the conductive piece through the conductive part.

Preferably, the conductive part comprises an elastic piece, one end of the elastic piece is fixedly arranged on the PCB and is electrically connected with an element arranged on the PCB, the other end of the elastic piece extends towards the direction of the through hole to form a main body section, the tail end of the main body section extends along the radial direction of the through hole to form an elastic section, and the elastic section is in butt joint with the conductive piece.

Preferably, the conductive member comprises a fixed section and a movable section, wherein the fixed section and the movable section are elastically connected, the fixed section is arranged in the through hole, and the movable section is electrically connected with the PCB.

Preferably, the conductive member is spindle-shaped, and the through hole is matched with the conductive member in shape.

Preferably, the conductive member is columnar, a protrusion is radially arranged at the axial middle part of the conductive member, and a recess matched with the protrusion is arranged on the inner wall of the through hole.

Preferably, the conductive member and the through hole are fixedly connected by a fixing adhesive.

Preferably, the conductive member is pre-buried on the housing.

The terminal has the beneficial effects that: space is saved, cost is reduced, and meanwhile, connection is stable and reliable; the concrete steps are as follows:

first, utilize the electrically conductive piece, directly set up on the casing with electrically conductive piece matched with through-hole, with PCB board and electrically conductive piece electric connection back, can realize terminal and outside electrical interaction through the electrically conductive piece, further, set up conductive part on the PCB board, utilize conductive part directly with electrically conductive piece butt to constitute the electricity and be connected, need not FPC, not only obvious saving the space that sets up FPC, and reduced FPC's cost.

And the second positioning part is arranged on the shell, and the second positioning part is arranged on the PCB, so that the connection position between the PCB and the shell is more consistent, and meanwhile, the position of the through hole on the shell is arranged at a position close to the conductive part, namely, the distance between the conductive part and the conductive piece is shortened, so that the interference is more stable and reliable, and the stability and reliability of the electric connection are ensured.

Drawings

Fig. 1 is a schematic view of a partial structure of a terminal according to the present utility model;

FIG. 2 is another schematic view of FIG. 1;

FIG. 3 is a partial schematic view of FIG. 2 at A;

FIG. 4 is an exploded view of FIG. 1;

fig. 5 is a partial schematic view of fig. 4 at B.

Wherein: 1. a housing; 11. a through hole; 12. a first positioning portion; 2. a PCB board; 21. a second positioning portion; 3. a conductive portion; 31. a main body section; 32. an elastic section; 4. and a conductive member.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a terminal comprises a housing 1 and a PCB 2, wherein the housing 1 is provided with a receiving cavity for receiving the PCB 2; the accommodating cavity is internally provided with a first positioning part 12, the PCB 2 is provided with a second positioning part 21 matched with the first positioning part 12, and the PCB 2 is fixedly arranged in the accommodating cavity through the cooperation of the second positioning part 21 and the first positioning part 12; the shell 1 is provided with a plurality of through holes 11 which are communicated with the surface of the shell 1 to the accommodating cavity; the conductive elements 4 are in one-to-one correspondence with the through holes 11, are arranged in the through holes 11, and the inner walls of the through holes 11 are in contact with the conductive elements 4; one end of the conductive member 4 is electrically connected to the PCB 2, and the other end extends along the through hole 11 to a position where the conductive member can be electrically connected to a component outside the terminal.

Since the first positioning portion 12 and the second positioning portion 21 perform position confirmation of the connection between the PCB board 2 and the case 1, the first positioning portion 12 may include, but is not limited to, a columnar positioning column as shown in fig. 1, 2, and 4, or may be one or a combination of two or more of a projection, a recess, a positioning groove, a positioning hole, and the like, and the second positioning portion 21 may include, but is not limited to, a notch-shaped positioning groove as shown in fig. 1, 2, and 4, or may be other conventionally known positioning groove that matches the corresponding first positioning portion 12.

Meanwhile, it should be noted that, the other end extending along the through hole 11 to a position capable of being electrically connected with a component outside the terminal means that the conductive member 4 extends along the through hole 11, and the extending end may not exceed the surface of the housing 1, may be flush with the surface of the housing 1, or may exceed the surface of the housing 1; through setting up electrically conductive piece 4, with electrically conductive piece 4 and PCB board 2 electric connection simultaneously, realized utilizing electrically conductive piece 4 to replace current terminal and outside to carry out the interface of electric interaction, reached the purpose that is favorable to the frivolous design of terminal.

Further, in this embodiment, as shown in fig. 1 to 5, the PCB board 2 is provided with a conductive portion 3; the PCB 2 is connected with the conductive piece 4 through the conductive part 3.

Meanwhile, in fig. 1 to 5 of the drawings, the conductive part 3 is preferably arranged at the edge of the PCB 2 and is close to the edge of the housing 1, and when the PCB 2 is prepared, the conductive part 3 is electrically connected with the corresponding functional element in advance, so that the contact between the conductive part 3 and the conductive member 4 is easier to ensure during assembly, and the current wires or FPCs for signal conduction and circuit conduction led out from the corresponding element in the middle area of the PCB 2 are reduced; however, the conductive part 3 proposed by the present utility model is not necessarily provided on the edge of the PCB 2, but may be provided on the front or back of the PCB 2, and the through hole 11 matching with the conductive member 4 may be provided at the corresponding housing 1; accordingly, in the present utility model, the through hole 11 is also preferably provided only at the side of the housing 1, and is also merely for corresponding to the conductive portion 3 on the PCB board 2, so the position of the through hole 11 cannot be designated as a final figure as well.

Obviously, through the contact matching of the conductive part 3 and the conductive piece 4, and the conductive piece 4 is arranged in the through hole 11 and extends along the through hole 11, the signal interaction between the terminal and the outside or the charging operation of the terminal is realized; meanwhile, only one or both of the conductive part 3 and the conductive member 4 are provided with certain elasticity, so that the contact reliability between the conductive part and the conductive member can be ensured, namely, the reliability of wire connection between the PCB 2 and the conductive member 4 is ensured.

Further, as an embodiment of the present utility model, as shown in fig. 2, 3, 4 and 5, the conductive portion 3 includes an elastic member, one end of the elastic member is fixedly disposed on the PCB 2 and is electrically connected to an element disposed on the PCB 2, the other end of the elastic member extends toward the through hole 11 to form a main body section 31, and the end of the main body section 31 extends radially along the through hole 11 to form an elastic section 32, and the elastic section 32 abuts against the conductive member 4.

The elastic section 32 abuts against the conductive member 4, where abutting means that a force exists between two objects that are in contact with each other, and the force is usually a force generated by deformation, such as an elastic force, a clamping force caused by interference fit, and the like; therefore, in the present utility model, abutting should be understood as that the conductive member 4 contacts the elastic section 32 in the conductive portion 3 on the PCB 2, and a certain force is applied between the conductive member 4 and the elastic section 32, so that the reliability of electrical contact is ensured by the force; meanwhile, the conductive portion 3 may be partially extended as shown in fig. 2 to 5, or may be integrally extended, or may be in the shape of a spring plate.

Further, as another embodiment of the present utility model, in this embodiment, the shape of the through hole 11 is matched with the shape of the conductive member 4, and the two can form an interference fit or a partial interference fit, wherein the shape and structure of the conductive member 4 include, but are not limited to, the following:

the first conductive member 4 comprises a fixed section and a movable section, wherein the fixed section and the movable section are elastically connected, the fixed section is arranged in the through hole 11, and the movable section is in contact with and electrically connected with the conductive part 3; in this embodiment, the conductive member 4 may take a structure such as a POGO PIN or the like.

Secondly, the conductive member 4 is in a spindle shape, the shape of the through hole 11 is matched with that of the conductive member 4, and as is well known, the spindle shape is in a shape with small two ends and large middle, so that in the process of arranging the conductive member 4 in the through hole 11, the middle part of the conductive member 4 and the end part of the through hole 11 form interference, and after the conductive member 4 is arranged in the through hole 11, the conductive member 4 is ensured to be stably arranged in the through hole 11 through the cooperation of the two ends of the through hole 11 and the middle part of the conductive member 4.

Third, the conductive member 4 is columnar, a protrusion is disposed at an axial middle portion along a radial direction of the conductive member, and a recess matched with the protrusion is disposed on an inner wall of the through hole 11, wherein the protrusion and the recess are both annular optimally.

It should be further noted that the above two embodiments of the present utility model may be implemented separately or simultaneously; that is, only the conductive portion 3 may include an elastic member, and the conductive member 4 is an integral columnar conductive member 4; the conductive member 4 may include a fixed section and a movable section that are elastically connected to each other, and the conductive portion 3 may not have elasticity; the conductive part 3 and the conductive member 4 may each have an elastic structure.

Further, as an embodiment of the present utility model, the conductive member 4 and the through hole 11 are fixedly connected by a fixing adhesive.

The fixing glue is fixedly connected, wherein the fixing glue can be a liquid adhesive; the sealing ring can be made of materials with sealing connection and bonding function, such as double faced adhesive tape.

Further, as another embodiment of the present utility model, the conductive member 4 is pre-buried on the housing 1; the pre-embedding in the housing 1 means that when the housing 1 is prepared, the conductive member 4 is placed in a mold of the housing 1, so that the material of the housing 1 and the conductive member 4 are integrally formed into the housing 1.

The terminal has the beneficial effects that: space is saved, cost is reduced, and meanwhile, connection is stable and reliable; the concrete steps are as follows:

firstly, utilize electrically conductive piece 4, directly set up on casing 1 with electrically conductive piece 4 matched with through-hole 11, with PCB board 2 and electrically conductive piece 4 electric connection back, can realize terminal and outside electrical interaction through electrically conductive piece 4, further, set up conductive part 3 on PCB board 2, utilize conductive part 3 directly to butt with electrically conductive piece 4 to constitute the electricity and be connected, need not FPC, not only obvious saving the space that sets up FPC, and reduced FPC's cost.

Secondly, through setting up first location portion 12 on casing 1, set up second location portion 21 on PCB board 2, make the position of being connected between PCB board 2 and casing 1 more unanimous, simultaneously, the through-hole 11 position is located near the position of electrically conductive portion 3 on the casing 1, has also shortened the distance between electrically conductive portion 3 and the electrically conductive piece 4 promptly, makes the conflict more stable, reliable, has also ensured electric connection's stable, reliable promptly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. A terminal, characterized by: comprises a shell and a PCB board, wherein,

the shell is provided with an accommodating cavity for accommodating the PCB; the PCB is fixedly arranged in the accommodating cavity through the cooperation of the second positioning part and the first positioning part;

the shell is provided with a plurality of through holes which are communicated with the surface of the shell to the accommodating cavity;

the conductive parts are arranged in the through holes in a one-to-one correspondence manner, and the inner walls of the through holes are in contact with the conductive parts;

one end of the conductive piece is electrically connected with the PCB, and the other end of the conductive piece extends to a position which can be electrically connected with a part outside the terminal along the through hole.

2. The terminal of claim 1, wherein: the PCB is provided with a conductive part; the PCB board is connected with the conductive piece through the conductive part.

3. The terminal of claim 2, wherein: the conductive part comprises an elastic piece, one end of the elastic piece is fixedly arranged on the PCB and is electrically connected with an element arranged on the PCB, the other end of the elastic piece extends towards the direction of the through hole to form a main body section, the tail end of the main body section extends along the radial direction of the through hole to form an elastic section, and the elastic section is in butt joint with the conductive piece.

4. The terminal of claim 1, wherein: the conductive piece comprises a fixed section and a movable section, wherein the fixed section and the movable section are elastically connected, the fixed section is arranged in the through hole, and the movable section is electrically connected with the PCB.

5. The terminal of claim 1, wherein: the conductive piece is in a spindle shape, and the through hole is matched with the conductive piece in shape.

6. The terminal of claim 1, wherein: the conductive piece is columnar, a bulge is arranged at the axial middle part of the conductive piece along the radial direction, and a recess matched with the bulge is arranged on the inner wall of the through hole.

7. The terminal of claim 1, wherein: the conductive piece is fixedly connected with the through hole through a fixing adhesive.

8. The terminal of claim 1, wherein: the conductive piece is pre-buried on the shell.

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