CN117376805A - Headset bandeau testing arrangement that bends - Google Patents
Headset bandeau testing arrangement that bends Download PDFInfo
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- CN117376805A CN117376805A CN202311669960.2A CN202311669960A CN117376805A CN 117376805 A CN117376805 A CN 117376805A CN 202311669960 A CN202311669960 A CN 202311669960A CN 117376805 A CN117376805 A CN 117376805A
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000005452 bending Methods 0.000 claims abstract description 152
- 230000007246 mechanism Effects 0.000 claims abstract description 89
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000037081 physical activity Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of bending tests, in particular to a bending test device for a headset headband, which comprises a test table and a headset headband body, wherein a fixed block is fixedly connected to the test table, an electric push rod is fixedly connected to the fixed block, a motor drives a bidirectional screw rod to rotate, two groups of second bending mechanisms move towards opposite directions and stop moving after contacting with two ends of the headset headband body, the first bending mechanisms limit the headset headband body when the bending operation is carried out on the headset headband body, the first bending mechanisms are kept stationary when the bending test is carried out on two sides of the headset headband body, the two groups of second bending mechanisms are driven by the motor to move towards opposite directions, the bending test is carried out on two sides of the headset headband body, and the device can carry out the bending test on different positions of the headset headband body and improve the integrity of bending test data.
Description
Technical Field
The invention belongs to the technical field of bending test, and particularly relates to a bending test device for a headset headband.
Background
The headset is the earliest earphone type, also is that at present office, microcomputer room, internet bar etc. use most commonly, and in the in-process that headset was sold in production, in order to guarantee the quality of product, need bend compressive test to the earphone that assembles, but current headset need bend test to the headset in the test procedure, and the manual work is bent test to the headset inaccurately, can't ensure the quality of headset, and manual test method is simple, can't reach anticipated test effect, and manual work is bent test intensity of labour is big, and work efficiency is low.
Through searching, in the prior art, the application number is: CN201821849850.9, filing date: 2018-11-09, discloses a bending test device for an ear hook, comprising: a base; the sliding assembly is arranged on the base and comprises a moving part and a driving mechanism capable of driving the moving part to slide; the bending assembly comprises a fixing part which is fixed on the base and used for fixing a product to be tested, and a bending part which is fixed on the moving part and used for fixing a bending end of the product to be tested; the driving mechanism is configured to drive the moving piece, the bending part and the bending end of the product to be tested fixed on the bending part to reciprocate towards two sides of the fixing part. The bending test can be performed in a mechanical mode instead of a manual mode.
The device still has the following drawbacks: although the bending test can be carried out by replacing a manual mode with a mechanical mode, the bending test cannot be carried out on different positions of the earhook, the bending test cannot be carried out on the earhook with different sizes, the universality is poor, in addition, the bending angle data cannot be observed and recorded in the test process, the follow-up data statistics and analysis are affected, and the device is not strong in practicability.
Disclosure of Invention
The invention provides a bending test device for a headset headband, which comprises a test bench and a headset headband body, wherein a fixed block is fixedly connected to the test bench, an electric push rod is fixedly connected to the fixed block, a first bending mechanism is connected to the output end of the electric push rod in a transmission manner, the first bending mechanism is movably abutted against the headset headband body, a plurality of groups of threaded holes are formed in the test bench, the plurality of groups of threaded holes are symmetrically distributed with the central axis of the test bench as the center, limit mechanisms are connected to the corresponding two groups of threaded holes in a threaded manner, and the two groups of limit mechanisms are respectively attached to the inner walls of two sides of the headset headband body;
one side fixedly connected with motor of testboard, set up the screw rod groove on the testboard, the inner wall in screw rod groove rotates and is connected with two-way screw rod, the one end and the output transmission of motor of two-way screw rod are connected, threaded connection has two sets of second bending mechanisms on the two-way screw rod, two sets of second bending mechanisms are contradicted with the both sides outer wall activity of earphone bandeau body respectively.
Further, a group of second bending mechanisms and a group of limiting mechanisms are rotationally connected with a first angle measuring assembly, and another group of limiting mechanisms and the first bending mechanisms are rotationally connected with a second angle measuring assembly, and the structural sizes of the second angle measuring assembly and the first angle measuring assembly are the same.
Further, the sliding groove is formed in the test board, the first bending mechanism comprises a first limiting plate, a sliding bolt is fixedly connected to the bottom end of the first limiting plate, and the sliding bolt is movably attached to the inner wall of the sliding groove.
Further, fixedly connected with first bending shaft on the first limiting plate, first bending shaft is contradicted with earphone bandeau body activity, the top fixedly connected with second limiting plate of first bending shaft, threaded connection has first bolt on the second limiting plate.
Further, first spacing hole and second spacing hole have been seted up on the first limiting plate, second spacing hole and first spacing hole intercommunication each other, the inner wall sliding connection in second spacing hole has the slide bar, the tip fixedly connected with stopper of slide bar, stopper and earphone bandeau body activity joint, be provided with the spring between the inner wall bottom in stopper and first spacing hole, the spring housing is established on the slide bar.
Further, the stop gear includes the bottom plate, the bottom fixedly connected with screw thread post of bottom plate, screw thread post and a set of screw hole threaded connection.
Further, fixedly connected with spacing post on the bottom plate, spacing post is laminated with one side activity of earphone bandeau body, the top fixedly connected with calibrated scale of spacing post, the mark has the scale on the calibrated scale, the center department threaded connection of calibrated scale has the second bolt.
Further, the second bending mechanism comprises a moving block, the bottom end of the moving block is fixedly connected with an internal thread block, the internal thread block is in threaded connection with the bidirectional screw rod, and the internal thread block is movably attached to the inner wall of the screw rod groove.
Further, one side fixedly connected with second bending shaft of movable block, the activity of second bending shaft and one side of earphone bandeau body is contradicted, the top threaded connection of second bending shaft has the third bolt.
Further, the first angle measurement assembly comprises a telescopic rod, a first through hole is formed in one end of the telescopic rod, the first through hole is movably attached to a group of third bolts, a second through hole is formed in the other end of the telescopic rod, the second through hole is movably attached to a group of second bolts, and a pointer is fixedly connected to one side, close to the second through hole, of the end portion of the telescopic rod.
The beneficial effects of the invention are as follows:
1. the electric push rod drives the first bending mechanism to move, the inner walls of the two sides of the earphone head band body are respectively attached to the group of limiting mechanisms, the two sides of the earphone head band body are limited, the earphone head band body is bent, the center position of the earphone head band body is subjected to bending test, the motor drives the bidirectional screw rod to rotate, the two groups of second bending mechanisms move towards the opposite directions and stop moving after contacting with the two ends of the earphone head band body, the first bending mechanism limits the earphone head band body when the first bending mechanism bends the earphone head band body, the first bending mechanism is kept stationary when the two sides of the earphone head band body are required to be subjected to bending test, the motor drives the two groups of second bending mechanisms to move towards the opposite directions, the two sides of the earphone head band body are subjected to bending test, and the device can carry out bending test on different positions of the earphone head band body, so that the integrity of bending test data is improved.
2. When the earphone head band body is subjected to bending operation through the second bending mechanism, the third bolt drives the end part of the telescopic rod to move, so that the pointer rotates and points to scales marked on the dial, the staff can record the angle data of the bending test conveniently, the second angle measuring assembly is identical to the first angle measuring assembly in structure, the two ends of the second angle measuring assembly are respectively sleeved on the first bolt and the other group of second bolts, and when the first bending mechanism is used for bending the earphone head band body, the corresponding angle data are displayed, so that the device can record the angle data of different bending degrees when performing bending test, and the practicality of the device is improved.
3. According to the size of the earphone head band body, two groups of screw holes are selected, the limiting mechanism is installed in the corresponding two groups of screw holes, two groups of limiting posts are respectively attached to two sides of the earphone head band body, bending operation is conveniently carried out on the earphone head band body, the device can carry out bending test operation on the earphone head band body with different sizes, the position of the limiting mechanism can be adjusted, bending test requirements of different angles are met, and universality of the device is improved.
4. Through making smooth bolt laminating at the inner wall of spout, it is more stable when making first bending mechanism remove, avoid appearing the skew influence bending effect, drive first bending axle through first limiting plate and remove to the earphone bandeau body, make earphone bandeau body produce the extrusion to the stopper, because the elastic force of spring, make the stopper get into first spacing downthehole, after the earphone bandeau body contacted first bending axle, the stopper pops out, carry out the joint to earphone bandeau body fixedly, avoid bending test in-process, earphone bandeau body breaks away from first bending mechanism, influence test effect, the precision of device bending test has been promoted.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a main body structure according to an embodiment of the present invention;
FIG. 2 illustrates a top view of a body structure according to an embodiment of the present invention;
FIG. 3 illustrates a side cross-sectional view of a body structure according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a first bending mechanism according to an embodiment of the present invention;
FIG. 5 shows an enlarged view at A in FIG. 3 according to an embodiment of the invention;
FIG. 6 shows a schematic diagram of a spacing mechanism according to an embodiment of the present invention;
FIG. 7 illustrates a second press bending mechanism according to an embodiment of the present invention;
fig. 8 shows a schematic structural diagram of a first angle measurement assembly according to an embodiment of the present invention.
In the figure: 1. a test bench; 2. a fixed block; 3. An electric push rod; 4. a first press bending mechanism; 401. a first limiting plate; 4011. a first limiting hole; 4012. a second limiting hole; 4013. a slide bar; 4014. a limiting block; 4015. a spring; 402. a slide bolt; 403. a first press brake shaft; 404. a second limiting plate; 405. a first bolt; 5. a chute; 6. a threaded hole; 7. a limiting mechanism; 701. a bottom plate; 702. a threaded column; 703. a limit column; 704. a dial; 705. a second bolt; 8. an earphone headband body; 9. a motor; 10. a screw groove; 11. a two-way screw rod; 12. a second press bending mechanism; 1201. a moving block; 1202. an internal thread block; 1203. a second press brake shaft; 1204. a third bolt; 13. a first angle measurement assembly; 1301. a telescopic rod; 1302. a first through hole; 1303. a second through hole; 1304. a pointer; 14. a second angle measurement assembly.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a bending test device for a headphone headband, which comprises a test bench 1 and a headphone headband body 8; as illustrated in fig. 1 and 2.
The test bench 1 is fixedly connected with a fixed block 2, the fixed block 2 is fixedly connected with an electric push rod 3, the output end of the electric push rod 3 is in transmission connection with a first bending mechanism 4, the first bending mechanism 4 is movably abutted against the earphone head band body 8, the test bench 1 is provided with a sliding groove 5, and the sliding groove 5 is movably attached to the first bending mechanism 4;
specifically, the electric push rod 3 drives the first bending mechanism 4 to move, so that the first bending mechanism 4 performs bending operation on the earphone head band body 8.
A plurality of groups of threaded holes 6 are formed in the test bench 1, the plurality of groups of threaded holes 6 are symmetrically distributed by taking the central axis of the test bench 1 as the center, limiting mechanisms 7 are connected to the corresponding two groups of threaded holes 6 in a threaded manner, and the two groups of limiting mechanisms 7 are respectively attached to the inner walls of the two sides of the headset head belt body 8;
specifically, the first bending mechanism 4 is used for bending the earphone head band body 8, the inner walls of the two sides of the earphone head band body 8 are respectively attached to the group of limiting mechanisms 7, and the two sides of the earphone head band body 8 are limited, so that the earphone head band body 8 is bent.
One side of the test bench 1 is fixedly connected with a motor 9, the test bench 1 is provided with a screw rod groove 10, the inner wall of the screw rod groove 10 is rotationally connected with a bidirectional screw rod 11, one end of the bidirectional screw rod 11 is in transmission connection with the output end of the motor 9, two groups of second bending mechanisms 12 are in threaded connection with the bidirectional screw rod 11, the two groups of second bending mechanisms 12 respectively movably abut against the outer walls of two sides of the headset headband body 8, a first angle measuring assembly 13 is rotationally connected between one group of second bending mechanisms 12 and one group of limiting mechanisms 7, a second angle measuring assembly 14 is rotationally connected between the other group of limiting mechanisms 7 and the first bending mechanisms 4, and the structural sizes of the second angle measuring assemblies 14 and the first angle measuring assemblies 13 are the same;
specifically, the motor 9 drives the bidirectional screw rod 11 to rotate, so that the two groups of second bending mechanisms 12 move towards opposite directions, contact with two ends of the earphone head band body 8, then stop moving, limit the earphone head band body 8 when the first bending mechanism 4 bends the earphone head band body 8, and when bending tests are required to be carried out on two sides of the earphone head band body 8, the first bending mechanism 4 is kept stationary, and the motor 9 drives the two groups of second bending mechanisms 12 to move towards opposite directions, so as to carry out bending tests on two sides of the earphone head band body 8.
As illustrated in fig. 3-5.
The first bending mechanism 4 comprises a first limiting plate 401, wherein the bottom end of the first limiting plate 401 is fixedly connected with a sliding bolt 402, and the sliding bolt 402 is movably attached to the inner wall of the sliding groove 5;
specifically, when the first bending mechanism 4 moves, the sliding bolt 402 is attached to the inner wall of the sliding groove 5, so that the first bending mechanism 4 is more stable when moving, and the bending effect is prevented from being influenced by deflection.
The first limiting plate 401 is fixedly connected with a first bending shaft 403, the first bending shaft 403 is movably abutted against the earphone head band body 8, the top end of the first bending shaft 403 is fixedly connected with a second limiting plate 404, and the second limiting plate 404 is in threaded connection with a first bolt 405;
a first limiting hole 4011 and a second limiting hole 4012 are formed in the first limiting plate 401, the second limiting hole 4012 is communicated with the first limiting hole 4011, a sliding rod 4013 is slidably connected to the inner wall of the second limiting hole 4012, a limiting block 4014 is fixedly connected to the end portion of the sliding rod 4013, the limiting block 4014 is movably clamped with the earphone head band body 8, a spring 4015 is arranged between the limiting block 4014 and the bottom end of the inner wall of the first limiting hole 4011, and the spring 4015 is sleeved on the sliding rod 4013;
specifically, the first limiting plate 401 drives the first bending shaft 403 to move towards the earphone head band body 8, so that the earphone head band body 8 extrudes the limiting block 4014, the limiting block 4014 enters the first limiting hole 4011 due to elastic acting force of the spring 4015, after the earphone head band body 8 contacts the first bending shaft 403, the limiting block 4014 pops out to fix the earphone head band body 8 in a clamping manner, and the earphone head band body 8 is prevented from being separated from the first bending mechanism 4 in the bending test process, so that the test effect is influenced.
The limiting mechanism 7 comprises a bottom plate 701; as illustrated by way of example in fig. 6.
The bottom end of the bottom plate 701 is fixedly connected with a threaded column 702, the threaded column 702 is in threaded connection with a group of threaded holes 6, the bottom plate 701 is fixedly connected with a limit column 703, the limit column 703 is movably attached to one side of the earphone head band body 8, the top end of the limit column 703 is fixedly connected with a dial 704, scales are marked on the dial 704, and the center of the dial 704 is in threaded connection with a second bolt 705;
specifically, according to the size of the earphone head band body 8, two sets of screw holes 6 are selected appropriately, the limiting mechanism 7 is installed in the corresponding two sets of screw holes 6, so that the two sets of limiting posts 703 are respectively attached to two sides of the earphone head band body 8, and the earphone head band body 8 is convenient to bend.
The second bending mechanism 12 comprises a moving block 1201; as illustrated by way of example in fig. 7.
The bottom fixedly connected with internal thread piece 1202 of movable block 1201, internal thread piece 1202 and two-way lead screw 11 threaded connection, the internal thread piece 1202 is laminated with the inner wall activity of lead screw groove 10, one side fixedly connected with second bending axle 1203 of movable block 1201, second bending axle 1203 is contradicted with one side activity of earphone bandeau body 8, the top threaded connection of second bending axle 1203 has third bolt 1204.
The first angle measurement assembly 13 includes a telescoping rod 1301; as illustrated by way of example in fig. 8.
A first through hole 1302 is formed in one end of the telescopic rod 1301, the first through hole 1302 is movably attached to a group of third bolts 1204, a second through hole 1303 is formed in the other end of the telescopic rod 1301, the second through hole 1303 is movably attached to a group of second bolts 705, and a pointer 1304 is fixedly connected to one side, close to the second through hole 1303, of the end of the telescopic rod 1301;
specifically, when the second bending mechanism 12 bends the earphone headband body 8, the third bolt 1204 drives the end part of the telescopic rod 1301 to move, so that the pointer 1304 rotates and points to the scale marked on the dial 704, the staff can record the angle data of the bending test conveniently, the second angle measuring assembly 14 and the first angle measuring assembly 13 have the same structure size, two ends of the second angle measuring assembly 14 are respectively sleeved on the first bolt 405 and the other group of second bolts 705, and when the first bending mechanism 4 bends the earphone headband body 8, the corresponding angle data is displayed.
The invention provides a bending test device for a head-wearing earphone head band, which has the following working principle:
the electric push rod 3 drives the first bending mechanism 4 to move, so that the first bending shaft 403 bends the earphone head band body 8, the inner walls of the two sides of the earphone head band body 8 are respectively attached to the group of limiting mechanisms 7, the two sides of the earphone head band body 8 are limited, the earphone head band body 8 is bent, and the bending test is performed on the central position of the earphone head band body 8.
According to the size of the earphone head band body 8, two groups of threaded holes 6 are selected appropriately, the limiting mechanism 7 is installed in the corresponding two groups of threaded holes 6, the two groups of limiting posts 703 are respectively attached to two sides of the earphone head band body 8, and the earphone head band body 8 is convenient to bend.
The motor 9 drives the bidirectional screw rod 11 to rotate, so that two groups of second bending mechanisms 12 move towards opposite directions, contact with two ends of the earphone head band body 8 and then stop moving, the first bending mechanisms 4 limit the earphone head band body 8 when in bending operation, and when bending tests are required to be carried out on two sides of the earphone head band body 8, the first bending mechanisms 4 are kept static, and the motor 9 drives the two groups of second bending mechanisms 12 to move towards opposite directions, so that bending tests are carried out on two sides of the earphone head band body 8.
When the second bending mechanism 12 bends the earphone head band body 8, the third bolt 1204 drives the end part of the telescopic rod 1301 to move, so that the pointer 1304 rotates and points to scales marked on the dial 704, the staff can record the angle data of the bending test conveniently, the second angle measuring assembly 14 and the first angle measuring assembly 13 are the same in structural size, two ends of the second angle measuring assembly 14 are respectively sleeved on the first bolt 405 and the other group of second bolts 705, and corresponding angle data are displayed when the first bending mechanism 4 bends the earphone head band body 8.
Through making smooth bolt 402 laminating at the inner wall of spout 5, it is more stable when making first bending mechanism 4 remove, avoid appearing the skew influence bending effect, drive first bending axle 403 through first limiting plate 401 and remove to earphone bandeau body 8, make earphone bandeau body 8 produce the extrusion to stopper 4014, because the elastic force of spring 4015, make stopper 4014 get into in the first spacing hole 4011, earphone bandeau body 8 contacts first bending axle 403 after, stopper 4014 pops out, carry out the joint fixedly to earphone bandeau body 8, avoid in bending test process, earphone bandeau body 8 break away from first bending mechanism 4, influence test effect.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a headphone bandeau testing arrangement that bends, includes testboard (1) and earphone bandeau body (8), its characterized in that: the test bench (1) is fixedly connected with a fixed block (2), the fixed block (2) is fixedly connected with an electric push rod (3), the output end of the electric push rod (3) is in transmission connection with a first bending mechanism (4), the first bending mechanism (4) is movably abutted against the earphone head band body (8), a plurality of groups of threaded holes (6) are formed in the test bench (1), the plurality of groups of threaded holes (6) are symmetrically distributed with the central axis of the test bench (1) as the center, limiting mechanisms (7) are in threaded connection with the corresponding two groups of threaded holes (6), and the two groups of limiting mechanisms (7) are respectively attached to the inner walls of two sides of the earphone head band body (8);
one side fixedly connected with motor (9) of testboard (1), set up screw rod groove (10) on testboard (1), the inner wall rotation of screw rod groove (10) is connected with two-way lead screw (11), the one end of two-way lead screw (11) is connected with the output transmission of motor (9), threaded connection has two sets of second bending mechanism (12) on two-way lead screw (11), two sets of second bending mechanism (12) are contradicted with the both sides outer wall activity of earphone bandeau body (8) respectively.
2. The headset headband bending test device of claim 1, wherein: the first angle measuring assembly (13) is rotationally connected between the second bending mechanism (12) and the group of limiting mechanisms (7), the second angle measuring assembly (14) is rotationally connected between the other group of limiting mechanisms (7) and the first bending mechanism (4), and the structural sizes of the second angle measuring assembly (14) and the first angle measuring assembly (13) are the same.
3. The headset headband bending test device of claim 1, wherein: the testing bench (1) is provided with a sliding groove (5), the first bending mechanism (4) comprises a first limiting plate (401), the bottom end of the first limiting plate (401) is fixedly connected with a sliding bolt (402), and the sliding bolt (402) is movably attached to the inner wall of the sliding groove (5).
4. A headset headband bending test device according to claim 3, wherein: the earphone is characterized in that a first bending shaft (403) is fixedly connected to the first limiting plate (401), the first bending shaft (403) is movably abutted against the earphone head band body (8), a second limiting plate (404) is fixedly connected to the top end of the first bending shaft (403), and a first bolt (405) is connected to the second limiting plate (404) in a threaded mode.
5. The bending test device for the headset headband of claim 4, wherein the first limiting plate (401) is provided with a first limiting hole (4011) and a second limiting hole (4012), the second limiting hole (4012) is communicated with the first limiting hole (4011) mutually, the inner wall of the second limiting hole (4012) is connected with a sliding rod (4013) in a sliding mode, the end portion of the sliding rod (4013) is fixedly connected with a limiting block (4014), the limiting block (4014) is movably clamped with the headset headband body (8), a spring (4015) is arranged between the limiting block (4014) and the bottom end of the inner wall of the first limiting hole (4011), and the spring (4015) is sleeved on the sliding rod (4013).
6. The headset headband bending test device of claim 1, wherein: the limiting mechanism (7) comprises a bottom plate (701), a threaded column (702) is fixedly connected to the bottom end of the bottom plate (701), and the threaded column (702) is in threaded connection with a group of threaded holes (6).
7. The headset headband bending test device of claim 6, wherein: the earphone is characterized in that a limiting column (703) is fixedly connected to the bottom plate (701), the limiting column (703) is movably attached to one side of the earphone head band body (8), a dial (704) is fixedly connected to the top end of the limiting column (703), scales are marked on the dial (704), and a second bolt (705) is connected to the center of the dial (704) in a threaded mode.
8. The headset headband bending test device of claim 1, wherein: the second bending mechanism (12) comprises a moving block (1201), an internal thread block (1202) is fixedly connected to the bottom end of the moving block (1201), the internal thread block (1202) is in threaded connection with the bidirectional screw rod (11), and the internal thread block (1202) is movably attached to the inner wall of the screw rod groove (10).
9. The headset headband bending test device of claim 8, wherein: one side fixedly connected with second bending shaft (1203) of movable block (1201), second bending shaft (1203) is contradicted with one side activity of earphone bandeau body (8), the top threaded connection of second bending shaft (1203) has third bolt (1204).
10. The headset headband bending test device of claim 2, wherein: the first angle measurement assembly (13) comprises a telescopic rod (1301), a first through hole (1302) is formed in one end of the telescopic rod (1301), the first through hole (1302) is movably attached to a group of third bolts (1204), a second through hole (1303) is formed in the other end of the telescopic rod (1301), the second through hole (1303) is movably attached to a group of second bolts (705), and a pointer (1304) is fixedly connected to one side of the end portion of the telescopic rod (1301) close to the second through hole (1303).
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CN211346639U (en) * | 2019-08-21 | 2020-08-25 | 深圳市建装业集团股份有限公司 | Cable radius of bending detection device |
CN113532363A (en) * | 2021-08-24 | 2021-10-22 | 惠州市兴利嘉科技有限公司 | Earphone head-mounted steel belt bending degree detection device accurate in positioning |
CN113965867A (en) * | 2021-11-02 | 2022-01-21 | 珠海博杰电子股份有限公司 | Headphone deformation simulation detection device |
WO2022198709A1 (en) * | 2021-03-24 | 2022-09-29 | 惠州市华星光电技术有限公司 | Panel bending testing device and system |
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CN209280484U (en) * | 2018-11-09 | 2019-08-20 | 歌尔科技有限公司 | A kind of bending test device for ear-hang |
CN209182180U (en) * | 2018-12-03 | 2019-07-30 | 惠州市威隆展业实业有限公司 | Test machine is waved in a kind of earphone cable bending |
CN211346639U (en) * | 2019-08-21 | 2020-08-25 | 深圳市建装业集团股份有限公司 | Cable radius of bending detection device |
CN210274534U (en) * | 2019-09-30 | 2020-04-07 | 东莞市力雄仪器有限公司 | Headphone expansion testing machine |
WO2022198709A1 (en) * | 2021-03-24 | 2022-09-29 | 惠州市华星光电技术有限公司 | Panel bending testing device and system |
CN113532363A (en) * | 2021-08-24 | 2021-10-22 | 惠州市兴利嘉科技有限公司 | Earphone head-mounted steel belt bending degree detection device accurate in positioning |
CN113965867A (en) * | 2021-11-02 | 2022-01-21 | 珠海博杰电子股份有限公司 | Headphone deformation simulation detection device |
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