CN210833965U - Headset clamping force analyzer - Google Patents
Headset clamping force analyzer Download PDFInfo
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- CN210833965U CN210833965U CN201922194350.7U CN201922194350U CN210833965U CN 210833965 U CN210833965 U CN 210833965U CN 201922194350 U CN201922194350 U CN 201922194350U CN 210833965 U CN210833965 U CN 210833965U
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- splint
- clamp plate
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- dynamometry
- force
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Abstract
The utility model discloses a headphone clamping-force analyzer relates to earphone test technical field, and its technical scheme main points are including the frame, still including sliding connect in the frame dynamometry splint, both ends be fixed in respectively on frame and dynamometry splint and set up pressure sensor on the dynamometry splint slip route, with the relative movable clamp plate that sets up of dynamometry splint and install in the frame and be used for driving movable clamp plate orientation or deviate from the actuating mechanism of dynamometry splint motion, be provided with the tray that is used for supporting the headset on the terminal surface that dynamometry splint and movable clamp plate carried on the back mutually respectively and be used for the anchor clamps of fixed headset. The method has the technical effects that errors caused by friction force on measurement are avoided, and the measurement is more accurate.
Description
Technical Field
The utility model relates to an earphone test technical field, in particular to headphone clamping-force analyzer.
Background
A headphone, which is a commonly used electronic device, is widely used in daily life of people, and includes a headband and earphones disposed at both ends of the headband. In order to ensure the wearing comfort, the clamping force of the earphone is usually measured when the earphone is opened, and a suitable clamping force range is designed to facilitate comfortable wearing of people.
At present, chinese patent publication No. CN203912200U discloses a headset clamping force testing machine, which includes a frame, a lead screw with opposite thread directions at two ends is rotatably mounted on the frame, two lead screw nuts are oppositely mounted on the lead screw, each lead screw nut is connected with a slide block, the slide block is slidably mounted on the frame, a push plate for attaching an earphone is arranged on the slide block, one of the push plates is provided with a pressure sensor, and the pressure sensor is connected with a display; the rack between the two push plates is provided with a support, the support is provided with a supporting plate for supporting the head band, and the supporting plate is vertically and slidably arranged on the support and corresponds to the push plates.
Although the headset clamping force testing machine can measure the headset clamping force, the whole weight of the head band is supported by the supporting plate, the earphones are respectively clamped on the push plate, when the push plate pushes the headset to expand outwards, the total height of the headset in the vertical direction is increased, and as the push plate and the earphones have a certain friction effect, when the maximum static friction force of the push plate is greater than the gravity of the headset, the ear band is upwards supported to be away from the supporting plate; when its maximum static friction is greater than the weight of the headset, the headset slides gradually downwards. In either case, the pallet is subjected to a downward friction force and a pressure force between the pallets, and the force measured by the pressure sensor is a resultant of the two, which can cause errors in the measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a headphone clamping-force analysis appearance, it has avoided frictional force to measure the production error, measures more accurately.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a headset clamping-force analysis appearance, includes the frame, still including slide connect in frame dynamometry splint, both ends be fixed in respectively on frame and dynamometry splint and set up pressure sensor on the dynamometry splint slip route, with the relative movable clamp plate that sets up of dynamometry splint and install and be used for driving movable clamp plate orientation or deviate from the actuating mechanism of dynamometry splint motion in the frame, be provided with the tray that is used for supporting the headset and be used for the anchor clamps of fixed headset on the terminal surface that dynamometry splint and movable clamp plate carried on the back mutually respectively.
By adopting the technical scheme, the headset is placed on the tray, and the movable clamping plate and the tray on the force measuring clamping plate are matched with each other to support the whole weight of the headset. When the movable clamping plate and the force measuring clamping plate are far away from each other to open the earphone, the force measuring clamping plate presses the pressure sensor under the clamping force of the earphone, and therefore corresponding data are measured. When the earphone is expanded, the total height in the vertical direction is increased, the supporting plate is abutted to the bottom of the earphone, so that the earphone does not move in the vertical direction, friction force cannot be generated between the earphone and the clamping plate, the force applied to the force measuring clamping plate is the clamping force of the earphone, and the measuring result is more accurate than that in the prior art.
Further setting: the clamp comprises two baffles which are oppositely arranged and a horizontal adjusting bolt which penetrates through the horizontal through groove and is in threaded connection with the baffles, and the horizontal adjusting bolt slides in the horizontal through groove to adjust the distance between the two baffles.
Through adopting above-mentioned technical scheme, two baffles can be through adjusting horizontal bolt with distance each other, owing to compare and lack the support in prior art and support the apical band, in order to avoid the earphone to take place to empty, use two baffles to carry out the centre gripping to the headset.
Further setting: the movable clamping plate and the force measuring clamping plate are both provided with vertical through grooves, the tray is in threaded connection with vertical adjusting bolts penetrating through the vertical through grooves, and the vertical adjusting bolts slide in the vertical through grooves to adjust the height of the tray.
Through adopting above-mentioned technical scheme, the tray can slide in vertical direction in order to adjust self height to can adapt to the demand of the earphone of equidimension not and different models.
Further setting: and a horizontal scale and a vertical scale are arranged on the end surfaces of the movable baffle and the force measuring clamp plate, which are opposite to each other.
Further setting: the horizontal scale and the vertical scale are arranged in a T shape.
By adopting the technical scheme, the trays on the movable baffle and the force measuring clamping plate can be conveniently adjusted to the same height through the reference of the vertical scales on the movable baffle and the force measuring clamping plate, and errors caused by measurement under different heights are avoided. Simultaneously, can utilize the position of horizontal scale adjusting baffle, through two baffles with headset centre gripping to just right position, avoid two headset sides to the time to the apical area produce torsional force and influence the measurement to clamping-force.
Further setting: the driving mechanism comprises a sliding track arranged along the sliding direction of the force measuring clamp plate, a sliding block fixed at the bottom of the movable clamp plate and connected with the sliding track in a sliding manner, a screw rod arranged in parallel with the sliding track and connected with the sliding block in a threaded manner, and a driving motor arranged on the rack and used for driving the screw rod to rotate.
Through adopting above-mentioned technical scheme, the motor drive lead screw is rotatory, and the slider is owing to slide with lead screw threaded connection and with the track that slides and be connected, therefore the slider slides along the track that slides under the drive of lead screw to make the movable clamp plate with slider fixed connection be close to or keep away from the dynamometry splint.
Further setting: the driving motor is a servo motor.
By adopting the technical scheme, the servo motor is used as an actuating element in an automatic control system, and the received electric signal is converted into angular displacement or angular speed on the motor shaft to be output, so that the moving distance of the movable clamping plate can be accurately controlled.
Further setting: the earphone top strap clamping device is characterized by further comprising a limiting frame arranged between the force measuring clamping plate and the movable clamping plate, the top of the limiting frame is connected with two limiting plates which are arranged oppositely in a sliding mode, and the limiting plates slide oppositely to clamp the earphone top strap.
Through adopting above-mentioned technical scheme, spacing plays the supporting role to the limiting plate, and the limiting plate prevents that the earphone from empting to the side through the topband of centre gripping earphone for the earphone topband can only remove in the vertical direction.
To sum up, the utility model discloses following beneficial effect has:
1. the influence of other factors on the measurement is reduced, so that the measurement result is more accurate;
2. the height of the tray and the distance between the baffles can be conveniently adjusted, and the earphone can adapt to different specifications of earphones;
3. simple structure and convenient maintenance.
Drawings
Fig. 1 is a schematic view of the entirety of a headphone clamping force analyzer in the present embodiment.
In the figure, the position of the upper end of the main shaft,
1. a frame; 21. a force measuring splint; 22. a movable splint; 3. a pressure sensor; 4. a drive mechanism; 41. a sliding track; 42. a slider; 43. a screw rod; 44. a drive motor; 5. a clamp; 51. a baffle plate; 52. a horizontal adjusting bolt; 53. a vertical adjusting bolt; 61. a horizontal through groove; 62. a vertical through groove; 71. a horizontal scale; 72. a vertical scale; 8. a limiting frame; 81. a limiting plate; 9. a tray.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A headset clamping force analyzer refers to fig. 1 and comprises a rack 1, a force measuring clamp plate 21 connected to the rack 1 in a sliding mode, a pressure sensor 3 with two ends fixed to the rack 1 and the force measuring clamp plate 21 respectively, a movable clamp plate 22 arranged opposite to the force measuring clamp plate 21, and a driving mechanism 4 used for driving the movable clamp plate 22 to move towards or away from the force measuring clamp plate 21.
With reference to fig. 1, the force-measuring clamp plate 21 and the movable clamp plate 22 are both square plates and are arranged opposite to each other in parallel, the pressure sensor 3 is arranged in a cylindrical shape, one end of the pressure sensor is a force-measuring end, the force-measuring clamp plate 21 is fixed, the end of the pressure sensor 3, which is away from the force-measuring end, is fixedly connected with the frame 1, the force-measuring clamp plate 21 slides in the axial direction of the pressure sensor 3, and the pressure applied to the force-measuring end of the pressure sensor 3 can enable the pressure sensor 3 to generate corresponding signal output.
With continued reference to fig. 1, the driving mechanism 4 includes a sliding rail 41 disposed along the sliding direction of the force-measuring clamp plate 21, a slide block 42 fixed at the bottom of the movable clamp plate 22 and slidably connected to the sliding rail 41, a screw 43 disposed parallel to the sliding rail 41 and threadedly connected to the slide block 42, and a driving motor 44 mounted on the frame 1 for driving the screw 43 to rotate. In the embodiment, the driving motor 44 is a servo motor, the driving motor 44 drives the screw rod 43 to rotate, and the slider 42 is in threaded connection with the screw rod 43 and in sliding connection with the sliding track 41, so that the slider 42 slides along the sliding track 41 under the driving of the screw rod 43, and the movable clamp plate 22 fixedly connected with the slider 42 is close to or far away from the force measuring clamp plate 21.
With continued reference to fig. 1, the opposing end faces of the force-measuring jaw 21 and the movable jaw 22 are provided with a tray 9 for supporting a headset and a clamp 5 for fixing a headset, respectively. The movable clamp plate 22 and the force measuring clamp plate 21 are respectively provided with two horizontal through grooves 61, the clamp 5 comprises two baffles 51 which are oppositely arranged and a horizontal adjusting bolt 52 which penetrates through the horizontal through grooves 61 and is in threaded connection with the baffles 51, and the horizontal adjusting bolt 52 slides in the horizontal through grooves 61 to adjust the distance between the two baffles 51. The movable clamp plate 22 and the force measuring clamp plate 21 are both provided with a vertical through groove 62, the tray 9 is in threaded connection with a vertical adjusting bolt 53 penetrating through the vertical through groove 62, and the vertical adjusting bolt 53 slides in the vertical through groove 62 to adjust the height of the tray 9. The horizontal scale 71 and the vertical scale 72 are arranged on the end faces of the movable clamping plate 22 and the force measuring clamping plate 21, which are opposite to each other, and the horizontal scale 71 and the vertical scale 72 are arranged in a T shape. The tray 9 on the movable clamp plate 22 and the force measuring clamp plate 21 can be conveniently adjusted to the same height through the reference of the vertical scale 72, and errors caused by measurement under different heights are avoided. Meanwhile, the position of the baffle 51 can be adjusted by utilizing the horizontal scale 71, and the headset is clamped to the right position through the two baffles 51, so that the situation that the clamping force is influenced by the torsional force generated by the two headset sides to the opposite vertex band is avoided.
Continuing to refer to fig. 1, still be provided with spacing 8 between dynamometry splint 21 and the movable splint 22, spacing 8's bottom and frame 1 fixed connection, spacing 8's top is slided and is connected with two limiting plates 81 that set up relatively, and limiting plate 81 prevents the earphone and topples over to the side through sliding in opposite directions with the centre gripping earphone topband for the earphone topband can only move in the vertical direction.
The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (8)
1. The utility model provides a headset clamping-force analysis appearance, includes frame (1), its characterized in that, still including sliding dynamometry splint (21) of connecting in frame (1), both ends are fixed in respectively on frame (1) and dynamometry splint (21) and set up in pressure sensor (3) on dynamometry splint (21) sliding path, with dynamometry splint (21) relative movable splint (22) that set up and install and be used for driving movable splint (22) orientation or deviate from actuating mechanism (4) of dynamometry splint (21) motion on frame (1), be provided with tray (9) that are used for supporting the headset on dynamometry splint (21) and movable splint (22) the terminal surface that carries on the back mutually respectively and be used for anchor clamps (5) of fixed headset.
2. The headset clamping force analyzer according to claim 1, wherein the movable clamp plate (22) and the force measuring clamp plate (21) are respectively provided with two horizontal through slots (61), the clamp (5) comprises two oppositely-arranged baffles (51) and a horizontal adjusting bolt (52) which penetrates through the horizontal through slots (61) and is in threaded connection with the baffles (51), and the horizontal adjusting bolt (52) slides in the horizontal through slots (61) to adjust the distance between the two baffles (51).
3. The headset clamping force analyzer according to claim 1, wherein a vertical through slot (62) is provided on each of the movable clamp plate (22) and the force-measuring clamp plate (21), a vertical adjusting bolt (53) passing through the vertical through slot (62) is screwed to the tray (9), and the vertical adjusting bolt (53) adjusts the height of the tray (9) by sliding in the vertical through slot (62).
4. The headset clamping force analyzer as claimed in claim 1, wherein the horizontal scale (71) and the vertical scale (72) are provided on the opposite end faces of the movable clamp plate (22) and the force-measuring clamp plate (21).
5. Headset clamping force analyser according to claim 4, wherein the horizontal scale (71) and vertical scale (72) are arranged in a T-shape.
6. The headset clamping force analyzer according to claim 1, wherein the driving mechanism (4) comprises a sliding track (41) arranged along the sliding direction of the force-measuring clamp plate (21), a sliding block (42) fixed at the bottom of the movable clamp plate (22) and connected with the sliding track (41) in a sliding manner, a screw rod (43) arranged in parallel with the sliding track (41) and connected with the sliding block (42) in a threaded manner, and a driving motor (44) arranged on the frame (1) and used for driving the screw rod (43) to rotate.
7. A headset clamping force analyser according to claim 6 wherein the drive motor (44) is a servo motor.
8. The headset clamping force analyzer of claim 1, further comprising a limiting frame (8) disposed between the force measuring clamp plate (21) and the movable clamp plate (22), wherein two oppositely disposed limiting plates (81) are slidably connected to the top of the limiting frame (8), and the limiting plates (81) are slidably disposed in opposite directions to clamp the headset top strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194350.7U CN210833965U (en) | 2019-12-09 | 2019-12-09 | Headset clamping force analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194350.7U CN210833965U (en) | 2019-12-09 | 2019-12-09 | Headset clamping force analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210833965U true CN210833965U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922194350.7U Active CN210833965U (en) | 2019-12-09 | 2019-12-09 | Headset clamping force analyzer |
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| CN (1) | CN210833965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884230A (en) * | 2021-09-29 | 2022-01-04 | 歌尔光学科技有限公司 | Clamping force measuring device of head-mounted equipment |
| CN113899484A (en) * | 2021-09-28 | 2022-01-07 | 歌尔光学科技有限公司 | Clamping force measuring equipment |
-
2019
- 2019-12-09 CN CN201922194350.7U patent/CN210833965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899484A (en) * | 2021-09-28 | 2022-01-07 | 歌尔光学科技有限公司 | Clamping force measuring equipment |
| CN113884230A (en) * | 2021-09-29 | 2022-01-04 | 歌尔光学科技有限公司 | Clamping force measuring device of head-mounted equipment |
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