Headphones folding life test machine

Abstract

The utility model discloses a headphone folding life tester, comprising a box, servo motors are installed at the front and rear ends of the top of the box, respectively, and turntables are movably connected at the front and rear ends of the middle position of the top of the box, and an adjustable fixing structure is arranged on one side of the top of the box. The headphone folding life tester is provided with a fixing plate, a fixing seat with holes, an external thread screw, an adjusting hand wheel, a sliding rod, an extrusion plate and a positioning column. When in use, the headband is put between the extrusion plate and the positioning column, and then the headband is adjusted according to its thickness. The adjusting hand wheel is turned, and the adjusting hand wheel drives the external thread screw to move laterally along the fixing seat with holes, and the distance between the extrusion plate and the positioning column changes, so that it can adapt to headbands of various thicknesses. The sliding rod makes the extrusion plate move left and right more smoothly, realizing the function of facilitating the adjustment of the fixing range, and solving the problem that the device does not have the function of facilitating the adjustment of the fixing range.

Description

Technical Field

[0001] The utility model relates to the technical field of testing machines, in particular to a headphone folding life testing machine. Background Art

[0002] Headphones, as the name implies, are a type of headphones that are worn on the head and are different from in-ear earplugs. They are mainly composed of two parts, the arc-shaped headband in the middle and the ear shells on both sides. The ear shells and the arc-shaped headband are generally foldable hinged structures. Before headphones are sold, they are generally subjected to various life tests, and the folding life test is an important part of them.

[0003] Most of the common headphone folding life testing machines on the market are similar in structure. The headphone headband is fixed by a fixing frame, and the ear shells are folded by a turntable driven by a servo motor. There are some functional deficiencies in actual use and there is room for improvement. For example, headphones of different brands vary greatly in design, and the headbands have different thicknesses, which makes it troublesome to fix them, and there is no function to facilitate adjustment of the fixing range. Secondly, headphones of different specifications have different ratios between the ear shells and headbands, and the requirements for the flipping stroke when flipping and folding the ear shells are also different. The position of the ear shell fixings on the testing machine is generally fixed, and there is no function to facilitate adjustment of the folding stroke. In addition, when fixing the ear shells of the headphones, locking pins are mostly used, which makes it troublesome to disassemble and assemble later, and there is no function to facilitate quick fixation of the ear shells.

[0004] Now, a new type of headphone folding life testing machine is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a headphone folding life tester to solve the problem that the above-mentioned background technology does not have the function of conveniently adjusting the fixed range.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a headphone folding life testing machine comprises a box body, servo motors are respectively installed at the front and rear ends of the top of the box body, the front and rear ends at the middle position of the top of the box body are respectively movably connected with a turntable, a mounting plate is horizontally placed on the top of the turntable, a controller is fixedly connected to one side of the box body, adjustment grooves are respectively provided at the front and rear ends of one side of the top of the mounting plate, positioning bolt rods are respectively vertically fixedly connected at the front and rear ends of one side of the top of the turntable, a fixing nut is sleeved on the outside of the positioning bolt rod, a damping gasket is provided at the bottom of the fixing nut, a concave seat is movably provided on the other side of the top of the mounting plate, soft rubber card plates are respectively glued on the front and rear ends of the inside of the concave seat, and an adjustable fixing structure is provided on one side of the top of the box body.

[0007] The adjustable fixing structure includes a fixing plate, which is fixedly connected to one side of the top of the box body, and a fixing seat with holes is fixedly connected to one side of the top of the fixing plate, an externally threaded screw is horizontally inserted in the middle position inside the fixing seat with holes, an adjusting hand wheel is fixedly connected to one side of the externally threaded screw, and an extrusion plate is movably connected to the other side of the externally threaded screw, and sliding rods are respectively fixedly connected to the upper and lower ends of one side of the extrusion plate, and a positioning column is fixedly connected to the other side of the top of the fixing plate.

[0008] Preferably, the external thread of the externally threaded screw rod matches the internal thread of the eyelet fixing seat, and the externally threaded screw rod can be displaced left and right along the interior of the eyelet fixing seat.

[0009] Preferably, the outer diameter of the sliding rod matches the inner diameter of the fixing seat with holes, and the sliding rod passes through the inside of the fixing seat with holes and can slide left and right along the inside of the fixing seat with holes.

[0010] Preferably, the positions of the extrusion plate and the positioning column correspond to each other, and the shape and size of one side of the extrusion plate match the shape and size of one side of the positioning column.

[0011] Preferably, the positioning bolt rod passes through the interior of the adjusting groove and extends to the exterior, and the outer diameter of the positioning bolt rod is consistent with the inner diameter of the adjusting groove.

[0012] Preferably, the inner thread of the fixing nut matches the outer thread of the positioning bolt rod.

[0013] Preferably, the bottom of the damping gasket is in contact with the top of the mounting plate, but the two are not connected.

[0014] Preferably, the soft rubber pallets are elastic and are arranged at equal intervals.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the headphone folding life tester not only realizes the function of facilitating the adjustment of the fixing range and the folding stroke, but also realizes the function of facilitating the rapid fixing of the ear shell;

[0016] (1) A fixing plate, a fixing seat with holes, an externally threaded screw, an adjusting hand wheel, a sliding rod, an extrusion plate and a positioning column are provided. When in use, after the headband is fixed in position, the ear shell part is inserted into the concave seat, and the servo motor drives the rotary disk to switch back and forth between forward and reverse rotation in a small range. The ear shell fixed by the concave seat is folded and swung back and forth along the tail end of the headband. When fixing the headband, the headband is placed between the extrusion plate and the positioning column, and then adjusted according to the thickness of the headband. The adjusting hand wheel is turned, and the adjusting hand wheel drives the externally threaded screw to move laterally along the fixing seat with holes. The distance between the extrusion plate and the positioning column changes, and it can adapt to headbands of various thicknesses. The sliding rod makes the extrusion plate move left and right more smoothly, realizing the function of facilitating the adjustment of the fixing range;

[0017] (2) By providing the adjustment slot, the positioning bolt rod, the fixing nut and the damping gasket, when in use, during the flipping and folding test, the position of the concave seat can be adjusted according to the size specifications of the earphone to adjust the actual folding stroke. The fixing nut is loosened, and the pressing of the fixing nut and the damping gasket is lost. The mounting plate can be adjusted left and right along the top of the rotating disk. The adjustment slot and the positioning bolt rod limit the adjustment range. After adjusting to the appropriate stroke, the fixing nut can be tightened again to complete the fixation, thereby realizing the function of facilitating the adjustment of the folding stroke;

[0018] (3) By providing a concave seat and a soft rubber cardboard, when using, when inserting the ear shell, the ear shell is directly pressed downward along the top opening of the concave seat, and the soft rubber cardboard is deformed by force to make room. As the ear shell enters, the soft rubber cardboard rebounds and embeds into the concave part on the side of the ear shell, completing the position fixing, thereby realizing the function of facilitating and quickly fixing the ear shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a partial cross-sectional structure of the utility model in a front view;

[0020] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0022] Figure 4 It is a schematic diagram of an enlarged side view of the concave seat of the utility model.

[0023] In the figure: 1. Box body; 2. Servo motor; 3. Fixing plate; 4. Fixing seat with holes; 5. External threaded screw; 6. Adjusting hand wheel; 7. Sliding rod; 8. Extrusion plate; 9. Positioning column; 10. Turntable; 11. Mounting plate; 12. Adjusting slot; 13. Positioning bolt rod; 14. Fixing nut; 15. Damping gasket; 16. Concave seat; 17. Soft rubber card plate; 18. Controller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 The headphone folding life tester comprises a box body 1, a servo motor 2 is installed at the front and rear ends of the top of the box body 1 respectively, a turntable 10 is movably connected to the front and rear ends of the middle position of the top of the box body 1 respectively, a mounting plate 11 is horizontally placed on the top of the turntable 10, a controller 18 is fixedly connected to one side of the box body 1, and an adjustable fixing structure is arranged on one side of the top of the box body 1;

[0026] See also Figure 1-4 The headphone folding life tester also includes an adjustable fixing structure, which includes a fixing plate 3, which is fixedly connected to one side of the top of the box body 1, and one side of the top of the fixing plate 3 is fixedly connected to a fixing seat 4 with holes, and an external threaded screw 5 is horizontally inserted at the middle position inside the fixing seat 4 with holes, and one side of the external threaded screw 5 is fixedly connected to an adjusting hand wheel 6, and the other side of the external threaded screw 5 is movably connected to an extrusion plate 8, and the upper and lower ends of one side of the extrusion plate 8 are respectively horizontally fixedly connected to sliding rods 7, and the other side of the top of the fixing plate 3 is fixedly connected to a positioning column 9;

[0027] The external thread of the external threaded screw 5 matches the internal thread of the eyelet fixing seat 4, and the external threaded screw 5 can move left and right along the inside of the eyelet fixing seat 4. The outer diameter of the sliding rod 7 matches the inner diameter of the eyelet fixing seat 4. The sliding rod 7 passes through the inside of the eyelet fixing seat 4 and can slide left and right along the inside of the eyelet fixing seat 4. The positions of the extrusion plate 8 and the positioning column 9 correspond to each other, and the shape and size of one side of the extrusion plate 8 matches the shape and size of one side of the positioning column 9, so that various styles of headphone headbands can be matched;

[0028] Specifically, Figure 1 and Figure 2 As shown, the headband is placed between the extrusion plate 8 and the positioning column 9, and then adjusted according to the thickness of the headband. The adjusting hand wheel 6 is turned, and the adjusting hand wheel 6 drives the external threaded screw 5 to move laterally along the fixed seat with holes 4. The distance between the extrusion plate 8 and the positioning column 9 changes, which can adapt to headbands of various thicknesses. The sliding rod 7 makes the extrusion plate 8 move left and right more smoothly.

[0029] Embodiment 2: The front and rear ends of one side of the top of the mounting plate 11 are respectively provided with adjustment grooves 12, and the front and rear ends of one side of the top of the rotating disk 10 are respectively vertically fixedly connected with positioning bolt rods 13, and the outer part of the positioning bolt rod 13 is sleeved with a fixing nut 14, and the bottom of the fixing nut 14 is provided with a damping gasket 15. The positioning bolt rod 13 passes through the inside of the adjustment groove 12 and extends to the outside. The outer diameter of the positioning bolt rod 13 is consistent with the inner diameter of the adjustment groove 12, and the thread inside the fixing nut 14 is consistent with the thread outside the positioning bolt rod 13. The bottom of the damping gasket 15 is in contact with the top of the mounting plate 11, and the two are not connected, so as to facilitate the adjustment of the folding stroke range;

[0030] Specifically, Figure 2 and Figure 3 As shown, the fixing nut 14 is loosened, and the pressing of the fixing nut 14 and the damping gasket 15 is lost. The mounting plate 11 can be adjusted left and right along the top of the turntable 10. The adjustment slot 12 and the positioning bolt rod 13 limit the adjustment range. After adjusting to a suitable stroke, the fixing nut 14 can be tightened again to complete the fixation.

[0031] Embodiment 3: A concave seat 16 is movable on the other side of the top of the mounting plate 11, and soft rubber clips 17 are glued to the front and rear ends of the concave seat 16 respectively. The soft rubber clips 17 are elastic and arranged at equal intervals, so as to facilitate and quickly fix the ear shell;

[0032] Specifically, Figure 1 and Figure 4 As shown, the ear shell is pressed downward along the top opening of the concave seat 16, and the soft rubber card plate 17 is deformed by the force to make way. As the ear shell enters, the soft rubber card plate 17 rebounds and embeds into the depression on the side of the ear shell, completing the position fixation.

[0033] Working principle: When the utility model is in use, first, after the headband is in position, the ear shell part is stuck in the concave seat 16, and the servo motor 2 drives the turntable 10 to switch back and forth between forward and reverse rotation in a small amplitude, and the ear shell fixed by the concave seat 16 is folded and swung back and forth along the tail end of the headband. When fixing the headband, the headband is placed between the extrusion plate 8 and the positioning column 9, and then adjusted according to the thickness of the headband, the adjustment hand wheel 6 is turned, and the adjustment hand wheel 6 drives the external threaded screw 5 to move laterally along the fixed seat with holes 4, and the distance between the extrusion plate 8 and the positioning column 9 changes, which can adapt to headbands of various thicknesses, and the sliding rod 7 makes the extrusion plate 8 move left and right more smoothly. When performing the flipping and folding test, the position of the concave seat 16 can be adjusted according to the size specifications of the earphone to adjust the actual folding stroke. The fixing nut 14 is loosened, and the pressing of the fixing nut 14 and the damping gasket 15 is lost. The mounting plate 11 can be adjusted left and right along the top of the rotary disk 10. The adjustment slot 12 and the positioning bolt rod 13 limit the adjustment range. After adjusting to a suitable stroke, the fixing nut 14 can be tightened again to complete the fixation. When inserting the ear shell, the ear shell is directly pressed downward along the top opening of the concave seat 16. The soft rubber card plate 17 is deformed by force to make room. As the ear shell enters, the soft rubber card plate 17 rebounds and embeds into the depression on the side of the ear shell to complete the position fixation.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A headphone folding life tester, comprising a box (1), characterized in that: A servo motor (2) is installed at the front and rear ends of the top of the box (1), respectively; a turntable (10) is movably connected to the front and rear ends at the middle position of the top of the box (1); a mounting plate (11) is horizontally placed on the top of the turntable (10); a controller (18) is fixedly connected to one side of the box (1); adjustment slots (12) are provided at the front and rear ends of one side of the top of the mounting plate (11); positioning bolt rods (13) are vertically fixedly connected to the front and rear ends of one side of the top of the turntable (10); a fixing nut (14) is sleeved on the outside of the positioning bolt rod (13); a damping gasket (15) is provided at the bottom of the fixing nut (14); a concave seat (16) is movably provided on the other side of the top of the mounting plate (11); soft rubber card plates (17) are glued to the front and rear ends of the inside of the concave seat (16); and an adjustable fixing structure is provided on one side of the top of the box (1); The adjustable fixing structure comprises a fixing plate (3), wherein the fixing plate (3) is fixedly connected to one side of the top of the box body (1), and a fixing seat (4) with a hole is fixedly connected to one side of the top of the fixing plate (3), and an external threaded screw (5) is transversely inserted at the middle position inside the fixing seat (4) with a hole, and an adjusting hand wheel (6) is fixedly connected to one side of the external threaded screw (5), and an extrusion plate (8) is movably connected to the other side of the external threaded screw (5), and the upper and lower ends of one side of the extrusion plate (8) are respectively transversely fixedly connected to sliding rods (7), and a positioning column (9) is fixedly connected to the other side of the top of the fixing plate (3).

2. The headphone folding life tester according to claim 1, characterized in that: The external thread of the external threaded screw rod (5) matches the internal thread of the eyelet fixing seat (4), and the external threaded screw rod (5) can move leftward and rightward along the inside of the eyelet fixing seat (4).

3. The headphone folding life tester according to claim 1, characterized in that: The outer diameter of the sliding rod (7) matches the inner diameter of the fixed seat with holes (4); the sliding rod (7) passes through the inside of the fixed seat with holes (4) and can slide left and right along the inside of the fixed seat with holes (4).

4. The headphone folding life tester according to claim 1, characterized in that: The positions of the extrusion plate (8) and the positioning column (9) correspond to each other, and the shape and size of one side of the extrusion plate (8) match the shape and size of one side of the positioning column (9).

5. The headphone folding life tester according to claim 1, characterized in that: The positioning bolt rod (13) passes through the interior of the adjustment groove (12) and extends to the exterior, and the outer diameter of the positioning bolt rod (13) is consistent with the inner diameter of the adjustment groove (12).

6. The headphone folding life tester according to claim 1, characterized in that: The internal thread of the fixing nut (14) matches the external thread of the positioning bolt rod (13).

7. The headphone folding life tester according to claim 1, characterized in that: The bottom of the damping gasket (15) is in contact with the top of the mounting plate (11), but the two are not connected.

8. The headphone folding life tester according to claim 1, characterized in that: The soft rubber pallets (17) are elastic, and the soft rubber pallets (17) are arranged at equal intervals.

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