CN218003868U - Mirror leg circuit board structure, mirror leg and bluetooth glasses - Google Patents

Abstract

The utility model relates to a mirror leg circuit board structure, mirror leg and bluetooth glasses. The circuit board structure comprises a built-in circuit board and a metal elastic needle, wherein the circuit board is provided with a front side, a back side and side edges, a metal block is arranged on the side edges of the circuit board, the metal block and the circuit board are electrically connected in a welding mode or a PCB edge covering process, the exposed surface of the metal block on the front side of the circuit board is a first contact surface, the exposed surface of the metal block on the back side of the circuit board is a second contact surface, the exposed surface of the metal block on the side edges of the circuit board is a third contact surface, and the metal elastic needle is abutted against and contacted with the first contact surface, the second contact surface or the third contact surface to form electrical connection. The utility model discloses an imbed the metal block at the circuit board side to three faces of metal block all can form with the metal bullet needle and be connected, therefore the circuit board can the butt joint of the bullet needle of the three direction of adaptation, and the commonality of circuit board obtains promoting, has also reduced the cost of development.

Description

Mirror leg circuit board structure, mirror leg and bluetooth glasses

Technical Field

The utility model relates to a bluetooth glasses, the more specifically mirror leg circuit board structure, mirror leg and bluetooth glasses that says so.

Background

The Bluetooth glasses are formed by adding components such as a circuit board, a battery and an earphone on the basis of common sunglasses, the circuit board and the battery are usually arranged in the glasses legs, the circuit board is provided with a Bluetooth module, and the earphone can be connected to the circuit board of the glasses legs through a wiring harness. Some bluetooth glasses will set up chargeable battery in the mirror leg, therefore will generally set up the metal contact at the mirror leg for the external head butt joint that charges carries the electric energy.

Chinese patent ZL202022099899.0 discloses a bluetooth glasses, and the bullet needle that charges wherein is installed on the curb plate, and the bullet needle other end that charges is connected with the installing port of main control board. Chinese patent ZL202021429854.9 discloses a charging glasses, a first charging bullet pin is installed at a charging port on the lower side of a PCB board, and the first charging bullet pin is installed downward. These prior art all set up corresponding installing port at the circuit board, and the installing port of circuit board inside can only the bullet needle of adaptation side dress, and the connector of circuit board side then can only the bullet needle of adaptation below installation, and the commonality of circuit board is not high, and the producer just needs to design different corresponding circuit boards respectively according to side dress or lower dress scheme, awaits improving.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's above defect, provide a mirror leg circuit board structure, mirror leg and bluetooth glasses to make same circuit board can the not equidirectional bullet needle butt joint of adaptation, promote the circuit board commonality.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a circuit board structure of a glasses leg comprises a built-in circuit board and a metal elastic needle, wherein the circuit board is provided with a front face, a back face and side edges, a metal block is fixed on the side edges of the circuit board through welding or is formed through a PCB edge covering process, the metal block is electrically connected with the circuit board, the exposed surface of the metal block on the front face of the circuit board is a first contact surface, the exposed surface of the metal block on the back face of the circuit board is a second contact surface, the exposed surface of the metal block on the side edges of the circuit board is a third contact surface, and the metal elastic needle is abutted against the first contact surface, the second contact surface or the third contact surface to be contacted and electrically connected.

Furthermore, the circuit board is provided with an inner groove inwards from the side edge, and the metal block is arranged at the side edge of the inner groove.

The utility model also discloses a mirror leg, it includes above mirror leg circuit board structure, and circuit board and metal bullet needle are all established in the mirror leg, and mirror leg lateral wall or lower wall are equipped with the perforation, and metal bullet needle passes and forms fixed connection from the perforation.

Furthermore, both sides of the through hole are respectively provided with a magnet block which is used for forming magnetic attraction fixed connection with external butt joint equipment.

Furthermore, the glasses legs further comprise a horn unit and an auxiliary circuit board, the back of the horn unit is provided with an elastic sheet which is in contact with the auxiliary circuit board to form electric connection, one side of the auxiliary circuit board, facing the circuit board, is provided with a conductive contact piece, and the circuit board is in electric connection with the conductive contact piece through a wiring harness.

Furthermore, the glasses legs further comprise horn brackets, the horn units are clamped by the auxiliary circuit board and the horn brackets, and the horn brackets are fixed in the glasses legs.

The utility model also discloses a bluetooth glasses, it includes above mirror leg.

Compared with the prior art, the utility model beneficial effect be: through embedding the metal block at the circuit board side to the three contact surface of metal block all can form with the metal bullet needle and be connected, and the contact surface can all change size and shape according to the product needs moreover, therefore the bullet needle butt joint of three directions of circuit board can the adaptation, and the commonality of circuit board obtains promoting, has also reduced the cost of development.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an exploded view of the temple of the present invention.

Fig. 2 is an exploded view of the circuit board and the metal spring needle of the present invention.

Fig. 3 is an exploded view of the metal spring needle and the circuit board at other positions of the present invention.

Fig. 4 is an exploded view of the metal spring pin and the circuit board at other positions of the present invention.

Fig. 5 is an exploded view of the speaker unit, the speaker bracket, and the auxiliary circuit board of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

First embodiment

A first embodiment is a temple circuit board structure. As shown in fig. 1 and 2, the circuit board structure includes a built-in circuit board 21 and two metal pogo pins 41. The circuit board 21 has a front surface 211, a back surface 212 and side edges 213. The side 213 of the circuit board 21 is fixed with the metal block 30 by welding or two metal blocks 30 are formed by a PCB taping process. The metal block 30 may be made of copper. The metal block 30 and the circuit board 21 are electrically connected by means of soldering or a PCB taping process. The exposed surface of the metal block 30 on the front surface 211 of the circuit board 21 is a first contact surface 31, the exposed surface of the metal block 30 on the back surface 212 of the circuit board 21 is a second contact surface 32, and the exposed surface of the metal block 30 on the side surface 213 of the circuit board 21 is a third contact surface 33. The metal elastic needle 41 is in abutting contact with the first contact surface 31, the second contact surface 32 or the third contact surface 33 and forms an electrical connection. In the first embodiment, as shown in fig. 2, the metal elastic pin 41 is in abutting contact with the third contact surface 33 and forms an electrical connection. In other embodiments, as shown in fig. 3, the metal spring pin 41 may be in abutting contact with the first contact surface 31 of the metal block 30 and form an electrical connection; or as shown in fig. 4, the metal spring pins 41 can be in abutting contact with the second contact surface 32 of the metal block 30 and form an electrical connection.

Further, as shown in fig. 1 and 2, the circuit board 21 is provided with an inner groove 210 inward from the side 213, and the metal block 30 is provided at the side 213 of the inner groove 210. By providing the inner groove 210, a sufficient installation space can be left for the metal latch 41 to avoid assembly interference.

The utility model discloses a structure is through imbedding the metal block 30 at circuit board 21 side 213 to three faces of metal block 30 all can form with metal bullet needle 41 and be connected, therefore circuit board 21 can the butt joint of the bullet needle of the three direction of adaptation, and circuit board 21's commonality obtains promoting, has also reduced the cost of development.

Second embodiment

The second embodiment is a temple 10 that includes the temple circuit board structure of the first embodiment. As shown in fig. 1, the circuit board 21 and the metal latch 41 are both disposed in the temple 10, and the lower wall 11 of the temple 10 is provided with a through hole 111, and the metal latch 41 is inserted through the through hole 111 and is fixedly connected (tightly fitted or adhesively connected). In other embodiments, if the metal elastic needle abuts against the first contact surface to form an electrical connection, the side wall of the temple should be provided with a corresponding through hole for the metal elastic needle to pass through. In addition, as shown in fig. 1, the magnet blocks 12 are respectively disposed on both sides of the through hole 111, and the magnet blocks 12 are used for forming a magnetic fixed connection with an external docking device (such as a connector of a charging cable, a spare battery module, etc.), of course, the external docking device should also be provided with corresponding elastic pins 51 for butting with the metal elastic pins 41, and the corresponding magnet/iron block should also be provided for forming a magnetic fixed connection with the magnet blocks 12 in the temple 10.

As shown in fig. 5, the temple further includes a speaker unit 61 and a sub circuit board 62. The back of the speaker unit 61 has two elastic pieces 611, and the elastic pieces 611 are respectively in contact with the sub circuit board 62 to form electrical connection. The side of the secondary circuit board 62 facing the circuit board 21 is provided with two conductive contacts 621, and the circuit board 21 is electrically connected to the conductive contacts 621 by welding via a wire harness, so as to electrically connect the circuit board 21 to the speaker unit 61. In this way, the wire harness can be prevented from being directly welded with the horn unit 61, the miniature horn unit 61 is not heat-resistant, and the probability of damaging the horn unit 61 during assembly is directly reduced and the yield is improved without being directly welded with the horn unit 61; meanwhile, the high cost of inserting the soft FPC is avoided, and the cost of the whole product is reduced.

In addition, as shown in fig. 5, the temple further includes a speaker holder 63, and the speaker unit 61 is clamped by the sub circuit board 62 and the speaker holder 63, so that the elastic piece 611 can maintain contact with the sub circuit board 62, and the speaker holder 63 is clamped and fixed in the temple. The secondary circuit board 62 and the horn bracket 63 may be fixed to each other by means of adhesion, screws, clamping, or the like.

Third embodiment

A third embodiment is a bluetooth glasses comprising the temple of the second embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims (7)

1. The utility model provides a mirror leg circuit board structure, its characterized in that, circuit board structure includes built-in circuit board and metal bullet needle, the circuit board is equipped with front, back and side, the circuit board side is fixed with the metal block through the welded joint or forms the metal block through the PCB technology of borduring, the metal block forms the electricity with the circuit board and is connected, the metal block is first contact surface on the positive exposed surface of circuit board, the metal block is the second contact surface on the exposed surface of circuit board back, the metal block is the third contact surface on the exposed surface of circuit board side, the metal bullet needle with first contact surface, second contact surface or third contact surface support the top contact and form the electricity and connect.

2. The temple arm circuit board structure of claim 1 wherein said circuit board is provided with an inner recess inwardly from the side edges, said metal block being provided at the side edges of the inner recess.

3. Temple arm, characterized in that it comprises a temple arm circuit board structure according to claim 1 or 2, said circuit board and a metal pogo pin being provided in the temple arm, said temple arm side wall or lower wall being provided with a perforation, said metal pogo pin being passed through the perforation and forming a fixed connection.

4. The temple of claim 3, wherein said perforations are provided with magnet pieces on opposite sides thereof for magnetically attaching to an external docking device.

5. The temple of claim 3, further comprising a speaker unit and a secondary circuit board, wherein a spring plate is provided on a back surface of the speaker unit to contact the secondary circuit board to form an electrical connection, wherein a conductive contact is provided on a side of the secondary circuit board facing the circuit board, and wherein the circuit board is electrically connected to the conductive contact through a wire harness.

6. The temple of claim 5, wherein said temple further comprises a speaker holder, said speaker unit being clamped to each other by a secondary circuit board and said speaker holder, said speaker holder being fixed within said temple.

7. Bluetooth glasses, characterized in that they comprise a temple according to any of claims 3 to 6.

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