Folding type head-mounted Bluetooth earphone

Abstract

The utility model discloses a folding type head-mounted Bluetooth earphone which comprises a rectangular frame, two movable blocks are installed in the rectangular frame through a moving mechanism, the moving mechanism is used for driving the movable blocks to move, plastic plates are fixed to the side edges of the movable blocks, elastic bands are installed on the two plastic plates, and the elastic bands are connected with the movable blocks. A first connecting rod is fixed to the bottom of the plastic plate, a second connecting rod is rotationally connected to the first connecting rod through a first rotating shaft, a fixing rod is fixed to the bottom of the second connecting rod, a fixing frame is slidably mounted on the fixing rod, and an adjusting mechanism used for adjusting the position of the fixing frame is mounted in the fixing frame. The side edge of the fixed frame is fixedly provided with an ear shell, and the ear shell is provided with an earmuff. According to the utility model, the width of the Bluetooth earphone can be adjusted conveniently, so that people with different head circumferences can wear the Bluetooth earphone conveniently; and the position of the rectangular frame can be adjusted through the adjusting mechanism, so that the position of the earmuff can be adjusted conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of Bluetooth earphones, in particular to a foldable Bluetooth earphone. Background Art

[0002] The foldable Bluetooth headset combines the advantages of Bluetooth headsets with the convenience of folding design. It not only has excellent sound quality but is also easy to carry and store.

[0003] A Chinese patent with application publication number CN216122839U discloses a foldable Bluetooth headset. In the patent, the card block is inserted into the stretching frame by pressing down the adjusting stick, and the card block is made to conflict with the side wall of the blocking block. When the rotating block is rotated, the movement of the card block will move the blocking block and the stretching frame together, so that the first driving gear and the second driven gear rotate on the two fixed racks, and then the buckle is pressed to make the buckle leave the snap-on hole, and then the sleeve block is pulled to make the rotating block rotate with the rotating shaft as the axis, and the stretching frame is driven to move in the headband through the rotating block. After the folding is completed by rotating 90 degrees, the sleeve block can be fixed by the setting that the first driving gear and the first driven gear are meshed with the two fixed racks, completing the folding work, reducing the space occupied by the headset and facilitating the storage of the headset.

[0004] When using the above patent, we found that the device is not convenient for adjusting the width of the Bluetooth headset. When the wearer's head circumference is large, the Bluetooth headset is not convenient to wear, which greatly affects the wearing comfort. Therefore, we proposed a foldable head-mounted Bluetooth headset. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a foldable head-mounted Bluetooth headset.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A foldable head-mounted Bluetooth headset comprises a rectangular frame, wherein two movable blocks are installed inside the rectangular frame through a moving mechanism, wherein the moving mechanism is used to drive the movable blocks to move, wherein a plastic plate is fixed to the side of the movable plate, wherein elastic bands are installed on the two plastic plates, wherein a first connecting rod is fixed to the bottom of the plastic plate, wherein a second connecting rod is rotatably connected to the first connecting rod through a first rotating shaft, wherein a fixing rod is fixed to the bottom of the second connecting rod, wherein a fixing frame is slidably installed on the fixing rod, wherein an adjusting mechanism for adjusting the position of the fixing frame is installed inside the fixing frame, wherein an ear shell is fixed to the side of the fixing frame, wherein an earmuff is installed on the ear shell.

[0008] Preferably, the moving mechanism includes a handle, a worm, a fixed plate, a screw and a worm wheel. The worm is rotatably installed inside the rectangular frame. The worm rotates through the rectangular frame and is connected to the handle. The fixed plate is fixed inside the rectangular frame. A screw is rotatably installed inside the fixed plate. A worm wheel is fixedly sleeved on the screw. The worm and the worm wheel are meshed for transmission. The screw is sleeved on the inside of the movable block through a thread with opposite rotation direction.

[0009] Preferably, the adjustment mechanism includes a movable rod, a movable plate, a spring and a clamping block, the movable rod is installed inside the fixed frame, a fixed plate is fixed on the side of the movable rod, a spring is installed between the fixed plate and the fixed frame, the spring is sleeved on the movable rod, a clamping block is fixed on the side of the movable plate, a clamping slot is opened inside the fixed rod, and the clamping block is clamped inside the clamping slot.

[0010] Preferably, a sliding hole is provided on a side of the fixing frame, and the movable rod is slidably installed in the sliding hole.

[0011] Preferably, limiting holes are provided on both sides of the rectangular frame, and the movable block is slidably installed in the limiting holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the handle is rotated, and the worm gear drives the lead screw to rotate through the meshing transmission of the worm and the worm wheel. The threaded transmission of the lead screw and the movable block can drive the two movable blocks to move toward or away from each other, which facilitates the adjustment of the width of the Bluetooth headset and makes it easier for people with different head circumferences to wear it.

[0014] 2. In the utility model, the movable rod is pulled, and the movable rod drives the movable plate to move and compress the spring to a certain shape, so that the card block and the card slot are separated, and the movable rod is released. Through the cooperation of the spring, the movable plate drives the card block and the card slot to engage, so that the position of the rectangular frame can be adjusted, which is convenient for adjusting the position of the earmuff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a foldable head-mounted Bluetooth headset proposed by the utility model;

[0016] Figure 2 This is a top view of the moving mechanism of a foldable head-mounted Bluetooth headset proposed by the utility model;

[0017] Figure 3 This is a side view of the moving mechanism of a foldable head-mounted Bluetooth headset proposed by the utility model;

[0018] Figure 4The utility model provides a schematic diagram of an adjustment mechanism of a foldable Bluetooth headset.

[0019] In the figure: 1 rectangular frame, 2 moving mechanism, 21 handle, 22 worm, 23 fixed plate, 24 lead screw, 25 worm wheel, 3 movable block, 4 plastic plate, 5 first connecting rod, 6 first rotating shaft, 7 second connecting rod, 8 fixed rod, 9 fixed frame, 10 adjusting mechanism, 101 movable rod, 102 movable plate, 103 spring, 104 block, 11 ear shell, 12 earmuff, 13 elastic band. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A foldable head-mounted Bluetooth headset comprises a rectangular frame 1, two movable blocks 3 are installed inside the rectangular frame 1 through a moving mechanism 2, limiting holes are provided on both sides of the rectangular frame 1, the movable blocks 3 are slidably installed in the limiting holes, the moving mechanism 2 is used to drive the movable blocks 3 to move, a plastic plate 4 is fixed to the side of the movable plate 3, an elastic band 13 is installed on the two plastic plates 4, a first connecting rod 5 is fixed to the bottom of the plastic plate 4, a second connecting rod 7 is rotatably connected to the first connecting rod 5 through a first rotating shaft 6, a fixing rod 8 is fixed to the bottom of the second connecting rod 7, a fixing frame 9 is slidably installed on the fixing rod 8, an adjusting mechanism 10 for adjusting the position of the fixing frame 9 is installed inside the fixing frame 9, an ear shell 11 is fixed to the side of the fixing frame 9, and an earmuff 12 is installed on the ear shell 11.

[0022] Reference Figure 2 , Figure 3 The moving mechanism 2 includes a handle 21, a worm 22, a fixed plate 23, a screw 24 and a worm wheel 25. The worm 22 is rotatably installed inside the rectangular frame 1. The worm 22 rotates and penetrates the rectangular frame 1 and is connected to the handle 21. The fixed plate 23 is fixed inside the rectangular frame 1. The screw 24 is rotatably installed inside the fixed plate 23. A worm wheel 25 is fixedly sleeved on the screw 24. The worm 22 and the worm wheel 25 are meshed for transmission. The screw 24 is sleeved inside the movable block 3 through a thread with opposite rotation directions. The handle 21 is rotated, and the worm wheel 25 drives the screw 24 to rotate through the meshing transmission of the worm 22 and the worm wheel 25. The threaded transmission between the screw 24 and the movable block 3 can drive the two movable blocks 3 to move toward or away from each other, which is convenient for adjusting the width of the Bluetooth headset and is convenient for people with different head circumferences to wear.

[0023] Reference Figure 4Preferably, the adjustment mechanism 10 includes a movable rod 101, a movable plate 102, a spring 103 and a block 104. The movable rod 101 is installed inside the fixed frame 9. A sliding hole is provided on the side of the fixed frame 9. The movable rod 101 is slidably installed in the sliding hole. A fixed plate 102 is fixed to the side of the movable rod 101. A spring 103 is installed between the fixed plate 102 and the fixed frame 9. The spring 103 is sleeved on the movable rod 101, and a block 104 is fixed to the side of the movable plate 102. A card slot is provided inside the fixed rod 8, and the card block 104 is carded inside the card slot. Pull the movable rod 101, the movable rod 101 drives the movable plate 102 to move and compress the spring 103 to a certain shape, so that the card block 104 is separated from the card slot, and the movable rod 101 is released. Through the cooperation of the spring 103, the movable plate 102 drives the card block 104 to card with the card slot, so that the position of the rectangular frame 9 can be adjusted, which is convenient for adjusting the position of the earmuff 12.

[0024] Working principle: Turn the handle 21, and the worm wheel 25 drives the lead screw 24 to rotate through the meshing transmission of the worm 22 and the worm wheel 25. The threaded transmission of the lead screw 24 and the movable block 3 can drive the two movable blocks 3 to move toward or away from each other, which is convenient for adjusting the width of the Bluetooth headset and is convenient for people with different head circumferences to wear. Pull the movable rod 101, and the movable rod 101 drives the movable plate 102 to move and compress the spring 103 to a certain shape, so that the card block 104 is separated from the card slot, and the movable rod 101 is released. Through the cooperation of the spring 103, the movable plate 102 drives the card block 104 to engage with the card slot, so that the position of the rectangular frame 9 can be adjusted, which is convenient for adjusting the position of the earmuffs 12. When the headset is not in use, the headset can be folded through the first rotating shaft 6.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foldable Bluetooth headset, comprising a rectangular frame (1), characterized in that: Two movable blocks (3) are installed inside the rectangular frame (1) through a moving mechanism (2), the moving mechanism (2) is used to drive the movable blocks (3) to move, a plastic plate (4) is fixed to the side of the movable block (3), an elastic band (13) is installed on the two plastic plates (4), a first connecting rod (5) is fixed to the bottom of the plastic plate (4), a second connecting rod (7) is rotatably connected to the first connecting rod (5) through a first rotating shaft (6), a fixing rod (8) is fixed to the bottom of the second connecting rod (7), a fixing frame (9) is slidably installed on the fixing rod (8), an adjusting mechanism (10) for adjusting the position of the fixing frame (9) is installed inside the fixing frame (9), an ear shell (11) is fixed to the side of the fixing frame (9), and an earmuff (12) is installed on the ear shell (11).

2. A foldable Bluetooth headset according to claim 1, characterized in that: The moving mechanism (2) comprises a handle (21), a worm (22), a fixing plate (23), a screw (24) and a worm wheel (25); the worm (22) is rotatably mounted inside the rectangular frame (1); the worm (22) rotatably penetrates the rectangular frame (1) and is connected to the handle (21); the fixing plate (23) is fixed inside the rectangular frame (1); a screw (24) is rotatably mounted inside the fixing plate (23); a worm wheel (25) is fixedly sleeved on the screw (24); the worm (22) and the worm wheel (25) are meshed for transmission; the screw (24) is sleeved inside the movable block (3) through a thread with opposite rotation direction.

3. A foldable Bluetooth headset according to claim 1, characterized in that: The adjustment mechanism (10) comprises a movable rod (101), a movable plate (102), a spring (103) and a clamping block (104); the movable rod (101) is installed inside a fixed frame (9); a movable plate (102) is fixed on the side of the movable rod (101); a spring (103) is installed between the movable plate (102) and the fixed frame (9); the spring (103) is sleeved on the movable rod (101); a clamping block (104) is fixed on the side of the movable plate (102); a clamping slot is provided inside the fixed rod (8); and the clamping block (104) is clamped inside the clamping slot.

4. A foldable Bluetooth headset according to claim 3, characterized in that: A sliding hole is provided on the side of the fixed frame (9), and the movable rod (101) is slidably installed in the sliding hole.

5. The foldable Bluetooth headset according to claim 1, characterized in that: Limiting holes are provided on both sides of the rectangular frame (1), and the movable block (3) is slidably installed in the limiting holes.

Images