CN218334350U - Electronic device, circuit board assembly and wire clamp thereof - Google Patents

Abstract

The utility model discloses an electron device and circuit board subassembly and fastener thereof, this fastener includes fastener main part and two at least locating parts, this fastener main part is electrically conductive material, this fastener main part is equipped with wire clamping groove, the vertical both ends of fastener main part are located respectively to these two at least locating parts, these two at least locating parts all are equipped with the spacing groove, this spacing groove sets up with this wire clamping groove relatively, in order to supply the core joint, this fastener simple structure can reduce material cost, and reduce the probability of the operation degree of difficulty and personnel injury risk.

Description

Electronic device, circuit board assembly and wire clamp thereof

Technical Field

The utility model relates to the field of electronic technology, especially, relate to an electronic device and circuit board components and fastener thereof.

Background

In the conventional electronic equipment, due to the structural space limitation, the fixation of the wire rod is generally divided into connector fixation (male seat and female seat connection fixation) and welding fixation.

Wherein, the fixed mode of connector does: the line end is provided with a male connector, the board end is provided with a female connector, and the fixing mode has the defect of high material cost.

The welding and fixing mode is as follows: through welding process, weld wire rod one end at the mainboard and correspond the pad position, but welding process is complicated, and needs training professional and be equipped with welding equipment, and the welding can produce harmful gas, has certain health injury to operating personnel.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a sub-device and circuit board subassembly and fastener thereof.

The utility model provides a technical scheme that its technical problem adopted is: constructing a wire clamp comprising:

the cable clamp comprises a cable clamp main body, a cable clamp cover and a cable clamp cover, wherein the cable clamp main body is made of a conductive material and is provided with a cable clamping groove;

at least two locating parts, at least two locating parts are located respectively the vertical both ends of fastener main part, at least two locating parts all are equipped with the spacing groove, the spacing groove with the wire clamping groove sets up relatively to the sinle silk joint that supplies the wire.

In some embodiments, the wire clamp main body comprises a bottom plate and a first fixing arm and a second fixing arm extending from two sides of the bottom plate, wherein the ends of the first fixing arm and the second fixing arm far away from the bottom plate are respectively and oppositely extended with a first connecting arm and a second connecting arm, and the first connecting arm and the second connecting arm are connected with a wire clamping part; the wire clamping groove is arranged on the wire clamping part;

the periphery of the wire clamping portion is separated from the first fixing arm and the second fixing arm by a predetermined gap.

In some embodiments, the wire clamping groove is provided with a guide section, a limiting section and a clamping section from outside to inside in sequence from the opening side of the wire clamping part.

In some embodiments, the guide section has a horn-shaped cross section, the limiting section has a rectangular cross section, the clamping section has an arc shape, and the inner diameter of the guide section is similar to the inner diameter of the clamping section and is larger than the inner diameter of the limiting section.

In some embodiments, the guide section has a horn-shaped cross section, the limiting section and the clamping section have a rectangular cross section, the limiting section and the clamping section have an inner diameter similar to that of the guide section, and the guide section has an inner diameter larger than that of the limiting section.

In some embodiments, the at least two limiting members are each a plate-shaped structure, and the at least two limiting members are connected to the wire clamp body and spaced apart from two longitudinal ends of the wire clamp body by a predetermined distance.

In some embodiments, the cross-sectional shape of the limiting groove is similar to the cross-sectional shape of the wire clamping groove;

the cross-sectional dimension of the limiting groove is close to that of the wire clamping groove.

In some embodiments, the clip is a unitary structure.

The utility model also constructs a circuit board component, which comprises a circuit board and the wire clip as described in any one of the above embodiments, wherein the wire clip is electrically connected with the circuit board;

the wire clamp is used for clamping a wire core of a wire.

The utility model discloses still construct an electron device, including foretell circuit board subassembly.

Implement the utility model discloses following beneficial effect has: the electronic device comprises a circuit board assembly, the circuit board assembly comprises a circuit board, a wire clamp and a wire clamped on the wire clamp, the wire clamp comprises a wire clamp main body and at least two limiting parts, the wire clamp main body is made of conductive materials, the wire clamp main body is provided with a wire clamping groove, the two limiting parts are respectively arranged at the two vertical ends of the wire clamp main body, the two limiting parts are respectively provided with a limiting groove, the limiting grooves are arranged relative to the wire clamping groove to clamp the wire clamp, the wire clamp is simple in structure, material cost can be reduced, and the operation difficulty and the probability of injury risk of personnel are reduced.

Drawings

In order to explain the technical solution of the present invention more clearly, the present invention will be further described with reference to the accompanying drawings and examples, it should be understood that the following drawings only show some examples of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:

fig. 1 is a schematic diagram of a circuit board assembly according to some embodiments of the present invention;

FIG. 2 is a detailed schematic diagram of the circuit board assembly of FIG. 1;

fig. 3 is a schematic structural view of a wire clamp body in some embodiments of the present invention;

fig. 4 is a schematic structural view of a wire clamp body according to other embodiments of the present invention;

fig. 5 is a schematic structural view of a limiting groove of a limiting member according to some embodiments of the present invention;

fig. 6 is a schematic structural view of a limiting groove of a limiting member according to another embodiment of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", and the like are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present technical solution, and do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It should also be noted that, unless expressly specified or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and encompass, for example, fixed connections as well as removable connections or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses an electronic device, including circuit board assembly. The electronic device may be an apparatus including, but not limited to, a mobile phone, a walkie-talkie, a POS machine, a tablet, an electronic reader, a computer, an electronic display screen, and the like.

The circuit board assembly may include a circuit board 4 and a clip, the circuit board 4 may be a printed circuit board, the clip is electrically connected to the circuit board 4, and the clip is used for clamping the core 11 of the wire 1 and is in conductive communication with the core 11. The wire 1 refers to a wire capable of conducting current transmission and/or signal transmission, and the wire 1 may include a wire core 11 and an insulating layer 12 wrapped around the wire core 11.

Preferably, the clip is mounted to the circuit board 4 at a predetermined position by surface mounting techniques of the circuit board 4, so that the clip has a good electrical connection with the circuit board 4.

Referring to fig. 1 to 2, a wire clamp according to some embodiments of the present invention includes:

the wire clamp comprises a wire clamp body 2, wherein the wire clamp body 2 is made of a conductive material, and a wire clamping groove 261 is formed in the wire clamp body 2;

at least two locating parts 3, these at least two locating parts 3 are located the vertical both ends of fastener main part 2 respectively, and at least two locating parts 3 all are equipped with spacing groove 31, and spacing groove 31 sets up with wire clamping groove 261 relatively to supply the sinle silk 11 joint of wire 1.

Preferably, the wire clamping groove 261 and the limiting groove 31 may be on the same horizontal line, and further, the wire clamping groove 261 is on a connection line between the limiting grooves 31 of the at least two limiting members 3.

Preferably, the at least two limiting members 3 may be symmetrically disposed at two longitudinal ends of the wire clamp body 2, and in this embodiment, the longitudinal direction of the wire clamp body 2 is an extending direction of the wire 1 after installation.

Preferably, the wire clamp body 2 is a metal member, such as a metal material with elasticity, and preferably, the wire clamp body 2 is made of copper, aluminum alloy, silver alloy, or the like, and of course, the wire clamp body 2 may also be made of other materials, which is not limited herein.

Referring to fig. 1 to 3 together, in some embodiments, the wire clip main body 2 includes a bottom plate 21 and a first fixing arm 22 and a second fixing arm 23 extending from two ends of the bottom plate 21, ends of the first fixing arm 22 and the second fixing arm 23 away from the bottom plate 21 respectively extend to form a first connecting arm 24 and a second connecting arm 25, the first connecting arm 24 and the second connecting arm 25 are connected to a wire clip portion 26, the bottom plate 21 may be soldered to the circuit board 4, and the wire clip portion 26 is provided with a wire clip groove 261. The different structural connection department of above-mentioned fastener main part 2 can be the fillet structure, can make when installing wire 1, when fastener main part 2 suitably takes place deformation, can have certain activity buffering space between the structure, is difficult to the scratch that appears.

When wires of different sizes are clamped in the wire clamping portion 26, the wall surface of the wire clamping portion 26 can be properly deformed toward the first fixing arm 22 and the second fixing arm 23, so that the wire clamping portion 26 can clamp wires of different wire diameter specifications, and preferably, a certain gap can be formed between the bottom of the wire clamping portion 26 and the bottom plate 21. Preferably, the wire clamp body 2 is substantially hollow, which can reduce the manufacturing cost.

In some embodiments, the wire clamping groove 261 is provided with a guiding section 2611, a limiting section 2612 and a clamping section 2613 in sequence from the outside to the inside from the opening side of the wire clamping portion 26. The guide section 2611 is arranged to enable the wire core 11 to be better inserted into the wire clamp main body 2, the limiting section 2612 is arranged to achieve smooth transition of the guide section 211 and the limiting section 212 to play a good bearing role, and the clamping section 2613 is arranged to increase the conductive area of the wire core 11 and the wire clamp so as to increase the electrical connection performance of the wire core 11 and the wire clamp.

The wire clamping portion 26 may have two structures, and the wire clamping grooves 261 have different shapes.

The first structure of the wire clamping portion 26 is: the guide section 2611 has a substantially horn-shaped cross section, the limiting section 2612 has a substantially rectangular cross section, the clamping section 2613 has a substantially arc-shaped cross section, the inner diameter of the guide section 2611 is similar to the inner diameter of the clamping section 2613 and is larger than the inner diameter of the limiting section 2612, preferably, the inner diameter of the limiting section 2612 is slightly smaller than the wire diameter of the wire core 11, and the inner diameter of the clamping section 2613 is slightly larger than the wire diameter of the wire core 11, wherein the inner diameter of the limiting section 2612 is slightly smaller than the wire diameter of the wire core 11, so that the wire core 11 is not easy to fall off the clamping groove 261 after entering the clamping section 2613, and meanwhile, the position of the wire core 11 in the clamping section 2613 can be adjusted.

The second structure of the yarn trap 26 is: the guide section 2611 has a trumpet-shaped cross section, the limiting section 2612 and the clamping section 2613 have rectangular cross sections, the internal diameter of the limiting section 2612 is close to that of the clamping section 2613, the internal diameter of the guide section 2611 is larger than that of the limiting section 2612, and preferably, the internal diameters of the limiting section 2612 and the clamping section 2613 are close to the wire diameter of the wire core 11. This spacing section 2612 and this centre gripping section 2613 all with sinle silk 11 interference fit to realize sinle silk 11 and the good cooperation of fastener main part 2, ensure the reliability after the connection.

Of course, in some embodiments, the cross-sectional shape of the wire clamping portion 26 may be U-shaped, C-shaped or inverted "Ω", of course, the structure of the wire clamp body 2 is not limited to the above embodiments and the structure shown in the drawings, and the wire clamping portion 26 may also be in other structural forms, which are not limited herein.

Referring to fig. 5 and 6, in some embodiments, the at least two limiting members 3 are each a plate-shaped structure, the at least two limiting members 3 are connected to the cable main body 2 and are spaced from both longitudinal ends of the cable main body 2 by a predetermined distance, for example, at least one side of each limiting member 3 is connected to the cable main body 2, at least one side of each limiting member 3 is connected to the first fixing arm 22 or the second fixing arm 23 of the cable main body 2, two sides of each limiting member 3 are connected to the first fixing arm 22 and the second fixing arm 23, respectively, or the bottom of the limiting member 3 extends to be connected to the bottom plate 21 of the cable main body 2. The structure can ensure that the wire clamp has a certain structural volume as a whole, and the longitudinal direction (the extending direction of the wire 1 after being installed) of the wire clamp has a certain size, so that the stable installation of the wire 1 can be ensured.

Preferably, the wire clip is of an integral structure, for example, the at least two limiting members 3 may be formed by extending and stamping the bottom plate 22, or the at least two limiting members 3 may be formed by integrally demolding with the wire clip main body 2. Understandably, the wire clamp is of an integral structure, so that the cost can be effectively reduced, the requirement of simplifying assembly is met, and the integral structure is firmer and more reliable. Further, the wire clamp can be used as a universal standard component, the variety of various related devices can be effectively reduced, and the universality is improved.

The cross-sectional shape of the limiting groove 31 is similar to that of the wire clamping groove 261, and meanwhile, the cross-sectional size of the limiting groove 31 is similar to that of the wire clamping groove 261.

As shown in fig. 5, the limiting groove 31 is similar to the cross-sectional structure of the wire clamping groove 261 shown in fig. 3, the limiting groove 31 may include a first portion 311, a second portion 312 and a third portion 313 sequentially arranged from the outside to the inside, the cross-section of the first portion 311 is substantially horn-shaped, the cross-section of the second portion 312 is substantially rectangular-shaped, the cross-section of the third portion 313 is substantially circular-arc-shaped, the inner diameter of the first portion 311 is similar to the inner diameter of the third portion 313 and is larger than the inner diameter of the second portion 312, preferably, the inner diameter of the second portion 312 is slightly smaller than the wire diameter of the wire core 11, and the inner diameter of the third portion 313 is slightly larger than the wire diameter of the wire core 11, wherein the inner diameter of the second portion 312 is slightly smaller than the wire diameter of the wire core 11, so that the wire core 11 is not easily removed from the limiting groove 31 after entering the third portion 313, and at the same time, the position of the wire core 11 can be adjusted in the third portion 313.

The limiting groove 31 shown in fig. 6 is similar to the sectional structure of the clamping groove 261 shown in fig. 3, the limiting groove 31 may include a first portion 311, a second portion 312 and a third portion 313 sequentially arranged from the outside to the inside of the opening thereof, the first portion 311 has a substantially trumpet-shaped cross section, the second portion 312 and the third portion 313 have a substantially rectangular cross section, and the second portion 312 and the third portion 313 have inner diameters similar to each other, the inner diameter of the guiding section 2611 is larger than the inner diameter of the second portion 312, and preferably, the inner diameters of the second portion 312 and the third portion 313 are similar to the wire diameter of the wire core 11. The second portion 312 and the third portion 313 are in interference fit with the wire core 11, so that the wire core 11 is well matched with the wire clamp body 2, and the reliability after connection is ensured.

Preferably, the limiting groove 31 and the groove bottom of the wire clamping groove 261 are in the same horizontal plane.

Preferably, the aperture of the limiting groove 31 is smaller than the diameter of the lead 1, so that the lead 1 can be effectively prevented from passing through the limiting groove 31 before the insulating layer 12 is stripped. Preferably, in the embodiment, the wire end of the wire core 11 is tin-coated and cured, so that the wire can be effectively prevented from being pulled.

In some embodiments, adopted the utility model discloses technical scheme's electronic device, the user can be with taking the electronic component of wire bonding device such as loudspeaker, motor and earphone install circuit board 4 on, be connected rather than the fastener that matches through wire 1 that has peeled insulating layer 12 in advance again, has improved connection efficiency, has strengthened electric conductive property, has ensured the reliability after the connection. Preferably, the operation of stripping the insulation layer 12 of the conductor 1 can be performed manually or by using a matching device.

Understandably, this fastener simple structure can reduce material cost, and reduces the probability of the operation degree of difficulty and personnel injury risk.

It is understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A wire clamp, comprising:

the cable clamp comprises a cable clamp main body (2), wherein the cable clamp main body (2) is made of a conductive material, and the cable clamp main body (2) is provided with a cable clamping groove (261);

at least two locating parts (3), locate respectively in at least two locating parts (3) the vertical both ends of fastener main part (2), at least two locating parts (3) all are equipped with spacing groove (31), spacing groove (31) with wire clamping groove (261) sets up relatively to sinle silk (11) the joint that supplies wire (1).

2. The wire clamp according to claim 1, characterized in that the wire clamp main body (2) comprises a bottom plate (21) and a first fixing arm (22) and a second fixing arm (23) extending from both sides of the bottom plate (21), wherein the ends of the first fixing arm (22) and the second fixing arm (23) far away from the bottom plate (21) are respectively extended with a first connecting arm (24) and a second connecting arm (25) oppositely, and a wire clamping part (26) is connected with the first connecting arm (24) and the second connecting arm (25); the wire clamping groove (261) is formed in the wire clamping part (26);

the periphery of the wire clamping portion (26) is separated from the first fixing arm (22) and the second fixing arm (23) by a predetermined gap.

3. The wire clamp according to claim 2, wherein the wire clamping groove (261) is provided with a guide section (2611), a limiting section (2612) and a clamping section (2613) in sequence from the outside to the inside from the opening side of the wire clamping part (26).

4. The cable clamp according to claim 3, characterized in that the guide section (2611) is trumpet-shaped in cross section, the limiting section (2612) is rectangular in cross section, the clamping section (2613) is circular arc-shaped, and the inner diameter of the guide section (2611) is similar to the inner diameter of the clamping section (2613) and larger than the inner diameter of the limiting section (2612).

5. The wire clamp as claimed in claim 3, wherein the guide section (2611) is trumpet-shaped in cross section, the limiting section (2612) and the clamping section (2613) are rectangular in cross section, the internal diameter of the limiting section (2612) and the clamping section (2613) is similar, and the internal diameter of the guide section (2611) is larger than that of the limiting section (2612).

6. The cable clamp according to any one of claims 2 to 5, characterized in that the at least two retaining members (3) each have a plate-like configuration, the at least two retaining members (3) being connected to the clamp body (2) at a predetermined distance from both longitudinal ends of the clamp body (2).

7. The clamp according to claim 6, characterized in that the cross-sectional shape of the limiting groove (31) is similar to the cross-sectional shape of the clamping groove (261);

the cross section of the limiting groove (31) is similar to that of the wire clamping groove (261).

8. The clamp of any one of claims 1-5, wherein the clamp is a unitary structure.

9. A circuit board assembly, comprising a circuit board (4), and a clip according to any one of claims 1 to 8, the clip being electrically connected to the circuit board (4);

the wire clamp is used for clamping a wire core (11) of a wire (1).

10. An electronic device comprising the circuit board assembly of claim 9.

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