PCBA mainboard of neck-hanging type Bluetooth earphone

Abstract

The utility model relates to the technical field of Bluetooth earphone circuit boards, and discloses a neck-hanging type Bluetooth earphone PCBA mainboard, which comprises an earphone main body and a mainboard, two sides of the interior of the earphone main body are fixedly connected with positioning rods, two sides of the mainboard are provided with positioning holes, the interiors of the positioning holes are connected with the outer surfaces of the positioning rods in a sleeving manner, and the positioning rods are fixedly connected with the earphone main body. The outer surface of the positioning rod is sleeved with a first spring, the outer surface of the positioning rod is sleeved with a cushion block, the end of the first spring is fixedly connected with the lower surface of the cushion block, the lower surface of the main board is attached to the upper surface of the cushion block, and the inner bottom of the earphone body is fixedly connected with a bearing frame. A connecting rod is fixedly connected to the interior of the bearing frame body, and the outer surfaces of the two ends of the connecting rod are sleeved with first hinge blocks. According to the PCBA mainboard of the neck-hanging type Bluetooth earphone, the mainboard can be effectively protected, the situation that the mainboard is damaged due to existing rigid contact is avoided, and then the service life of the whole earphone body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of Bluetooth headset circuit boards, in particular to a neck-hanging Bluetooth headset PCBA mainboard. Background Art

[0002] PCBA is an important electronic component, a support for electronic components, and a provider of circuit connections for electronic components. PCBA is an important medium for information transmission in headphones.

[0003] However, the following problems still exist in actual use:

[0004] Most existing PCBAs are installed inside the headphones through rigid connections and are used in conjunction with multiple sets of bolts during the installation process. Due to the small size of the headphones, their components are also small, making installation more troublesome. At the same time, rigid contact with the headphones and the influence of external forces will cause damage to the motherboard, thereby affecting the service life of the motherboard. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a neck-hanging Bluetooth headset PCBA motherboard, which has the advantages of being able to effectively protect the PCBA motherboard and being easy to install, solving the problems raised in the background technology.

[0006] The present invention provides the following technical solution: a PCBA mainboard of a neck-hanging Bluetooth headset, comprising: an earphone main body and a mainboard, wherein both sides of the interior of the earphone main body are fixedly connected with positioning rods, positioning holes are opened on both sides of the mainboard, and the interior of the positioning holes is sleeved with the outer surface of the positioning rod, the outer surface of the positioning rod is sleeved with a spring 1, the outer surface of the positioning rod is sleeved with a pad, the end of the spring 1 is fixedly connected to the lower surface of the pad, the lower surface of the mainboard is fitted with the upper surface of the pad, the inner bottom of the earphone main body is fixedly connected with a carrying frame, the interior of the carrying frame is fixedly connected with a connecting rod, the outer surfaces of both ends of the connecting rod are sleeved with a hinge block 1, and the outer surfaces of both ends of the connecting rod are sleeved with a spring 2.

[0007] Preferably, the upper end of the outer surface of the positioning rod is threadedly connected to a fixing round block through a thread line, and the lower surface of the fixing round block is in contact with the upper surface of the main board.

[0008] Preferably, a connecting support plate is hingedly connected to the hinge block 1, the other end of the connecting support plate is hingedly connected to the hinge block 2, and the upper surface of the hinge block 2 is fixedly connected to a bearing plate.

[0009] Preferably, a plurality of groups of heat dissipation fins are installed on the upper surface of the carrier plate, and the upper surfaces of the plurality of groups of heat dissipation fins are in contact with the lower surface of the mainboard.

[0010] Preferably, an end of the second spring is fixedly connected to one side of the first hinge block, and the other end of the second spring is fixedly connected to the inner wall of the supporting frame.

[0011] Preferably, the other end of the spring is fixedly connected to the lower end of the positioning rod.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The PCBA mainboard of the neck-hanging Bluetooth headset is equipped with a spring 1, a connecting rod, a spring 2, a hinge block 1, a connecting support plate and a hinge block 2. When the mainboard is installed and subjected to external shaking, since the bearing frame is arranged at the inner bottom of the headset body, the interior of the bearing frame is connected to the connecting rod, and the inner ends of the bearing frame are slidably connected to the hinge block 1 through the connecting rod. At the same time, the hinge block 1, the connecting support plate and the hinge block 2 form a hinged bracket, and the outer surfaces of the two ends of the connecting rod are sleeved with spring 2, so that the spring 2 can provide a buffering force. At the same time, the spring 1 arranged on the outer surface of the positioning rod can further provide a buffering force, thereby protecting the mainboard. The arrangement of this structure can effectively protect the mainboard and avoid damage to the mainboard caused by existing hard contact, thereby extending the overall service life of the headset body.

[0014] 2. The PCBA mainboard of the neck-hanging Bluetooth headset is provided with structures such as positioning rods and fixed round blocks. When the mainboard is installed, since positioning holes are opened on both sides of the headset body, the mainboard is sleeved on the positioning rods through two sets of positioning rods. The upper end of the outer surface of the positioning rods is provided with a threaded line. By rotating the fixed round block, the lower surface of the fixed round block abuts against the upper surface of the mainboard, and the heat dissipation fins provided on the upper surface of the supporting plate abut against the lower surface of the mainboard, thereby installing the mainboard. The setting of this structure can quickly install the mainboard, is convenient for personnel to operate, reduces the trouble required for existing installation, improves its installation efficiency, and does not require the use of external equipment for auxiliary installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the device of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of cross-section structure;

[0017] Figure 3 This is a schematic diagram of the structure of the load-bearing frame of the utility model.

[0018] In the figure: 1. Earphone body; 2. Main board; 3. Fixed round block; 4. Positioning rod; 5. Spring 1; 6. Spacer; 7. Load-bearing frame; 8. Load-bearing plate; 9. Heat dissipation fins; 10. Connecting rod; 11. Spring 2; 12. Hinge block 1; 13. Connecting support plate; 14. Hinge block 2. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1 、 Figure 2 and Figure 3 , the PCBA motherboard of the neck-hanging Bluetooth headset includes: an earphone body 1 and a motherboard 2, both sides of the interior of the earphone body 1 are fixedly connected with positioning rods 4, both sides of the motherboard 2 are provided with positioning holes, and the interior of the positioning holes is sleeved with the outer surface of the positioning rod 4, the outer surface of the positioning rod 4 is sleeved with a spring 5, the outer surface of the positioning rod 4 is sleeved with a pad 6, the end of the spring 5 is fixedly connected to the lower surface of the pad 6, the lower surface of the motherboard 2 is fitted with the upper surface of the pad 6, the inner bottom of the earphone body 1 is fixedly connected to a carrying frame 7, the interior of the carrying frame 7 is fixedly connected to a connecting rod 10, the outer surfaces of both ends of the connecting rod 10 are sleeved with a hinge block 12, the outer surfaces of both ends of the connecting rod 10 are sleeved with a spring 2 11, a connecting support plate 13 is hinged on the hinge block 12, and the other end of the connecting support plate 13 is hinged with a hinge block 2 14, The upper surface of block 2 14 is fixedly connected to a carrier plate 8, and a plurality of groups of heat dissipating fins 9 are installed on the upper surface of the carrier plate 8. The upper surfaces of the plurality of heat dissipating fins 9 are in contact with the lower surface of the main board 2. When subjected to external shaking, since the carrier frame 7 is arranged at the inner bottom of the earphone body 1, the interior of the carrier frame 7 is connected to a connecting rod 10, and the inner ends of the carrier frame 7 are slidably connected to a hinge block 12 through the connecting rod 10. At the same time, the hinge block 12, the connecting support plate 13 and the hinge block 2 14 form a hinged bracket, and the outer surfaces of the two ends of the connecting rod 10 are sleeved with a spring 2 11, so that a buffering force can be provided by the spring 2 11. At the same time, the spring 1 5 arranged on the outer surface of the positioning rod 4 can further provide a buffering force, thereby protecting the main board 2. At the same time, the heat dissipating fins 9 can also dissipate heat for the main board 2, so as to extend the service life of the main board 2.

[0021] See also Figure 1 、 Figure 2 and Figure 3The upper end of the outer surface of the positioning rod 4 is threadedly connected to a fixed round block 3 through a threaded line, and the lower surface of the fixed round block 3 is in contact with the upper surface of the main board 2. When installing the main board 2, since positioning holes are opened on both sides of the earphone body 1, the main board 2 is sleeved on the positioning rod 4 through two sets of positioning rods 4. The upper end of the outer surface of the positioning rod 4 is provided with a threaded line, so that by rotating the fixed round block 3, the lower surface of the fixed round block 3 is in contact with the upper surface of the main board 2, and at the same time, the heat dissipation fins 9 provided on the upper surface of the supporting plate 8 are in contact with the lower surface of the main board 2, thereby installing the main board 2.

[0022] See also Figure 2 and Figure 3 The end of spring 2 11 is fixedly connected to one side of hinge block 12 , the other end of spring 2 11 is fixedly connected to the inner wall of the supporting frame 7 , and the other end of spring 1 5 is fixedly connected to the lower end of the positioning rod 4 .

[0023] Working principle: when in use, first install the mainboard 2. Since there are positioning holes on both sides of the earphone body 1, the mainboard 2 is sleeved on the positioning rods 4 through two sets of positioning rods 4. The upper end of the outer surface of the positioning rods 4 is provided with a threaded line, so that by rotating the fixed round block 3, the lower surface of the fixed round block 3 abuts against the upper surface of the mainboard 2, and at the same time, the heat dissipation fins 9 provided on the upper surface of the supporting plate 8 abut against the lower surface of the mainboard 2, thereby installing the mainboard 2.

[0024] After the motherboard 2 is installed, when it is subjected to external shaking, since the supporting frame 7 is arranged at the inner bottom of the earphone body 1, the interior of the supporting frame 7 is connected to the connecting rod 10, and the two ends of the interior of the supporting frame 7 are slidably connected to the hinge block 12 through the connecting rod 10. At the same time, the hinge block 12, the connecting support plate 13 and the hinge block 2 14 form a hinge bracket, and the outer surfaces of the two ends of the connecting rod 10 are sleeved with the spring 2 11, so that the spring 2 11 can provide a buffering force. At the same time, the spring 1 5 arranged on the outer surface of the positioning rod 4 can further provide a buffering force, thereby protecting the motherboard 2.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. PCBA motherboard for neckband Bluetooth headset, characterized by: include: An earphone body (1) and a main board (2), wherein both sides of the interior of the earphone body (1) are fixedly connected with positioning rods (4), both sides of the main board (2) are provided with positioning holes, and the interior of the positioning holes is sleeved with the outer surface of the positioning rod (4), the outer surface of the positioning rod (4) is sleeved with a spring (5), the outer surface of the positioning rod (4) is sleeved with a pad (6), the end of the spring (5) is fixedly connected with the lower surface of the pad (6), the lower surface of the main board (2) is fitted with the upper surface of the pad (6), the inner bottom of the earphone body (1) is fixedly connected with a supporting frame (7), the interior of the supporting frame (7) is fixedly connected with a connecting rod (10), the outer surfaces of both ends of the connecting rod (10) are sleeved with a hinge block (12), and the outer surfaces of both ends of the connecting rod (10) are sleeved with a spring (11).

2. The PCBA motherboard of the neckband Bluetooth headset according to claim 1, characterized in that: The upper end of the outer surface of the positioning rod (4) is threadedly connected to a fixed round block (3) via a thread line, and the lower surface of the fixed round block (3) is in contact with the upper surface of the main board (2).

3. The PCBA motherboard of the neckband Bluetooth headset according to claim 1, characterized in that: The hinge block 1 (12) is hinged with a connecting support plate (13), the other end of the connecting support plate (13) is hinged with the hinge block 2 (14), and the upper surface of the hinge block 2 (14) is fixedly connected with a bearing plate (8).

4. The PCBA motherboard of the neckband Bluetooth headset according to claim 3, characterized in that: A plurality of groups of heat dissipation fins (9) are installed on the upper surface of the carrier plate (8), and the upper surfaces of the plurality of groups of heat dissipation fins (9) are in contact with the lower surface of the main board (2).

5. The PCBA motherboard of the neckband Bluetooth headset according to claim 1, characterized in that: The end of the second spring (11) is fixedly connected to one side of the hinge block (12), and the other end of the second spring (11) is fixedly connected to the inner wall of the supporting frame (7).

6. The PCBA motherboard of the neckband Bluetooth headset according to claim 1, characterized in that: The other end of the spring (5) is fixedly connected to the lower end of the positioning rod (4).

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