CN211013379U - Earphone channel sealing testing device - Google Patents
Earphone channel sealing testing device Download PDFInfo
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- CN211013379U CN211013379U CN201922036505.4U CN201922036505U CN211013379U CN 211013379 U CN211013379 U CN 211013379U CN 201922036505 U CN201922036505 U CN 201922036505U CN 211013379 U CN211013379 U CN 211013379U
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Abstract
The utility model discloses an earphone channel sealing test device, which comprises a base plate, a bracket and a lifting frame, wherein the upper end of the base plate is provided with a support plate, the lifting frame can be connected to the bracket in a vertical sliding manner, and the lower end of the bracket is connected with the base plate; the upper end of the support plate is provided with a positioning groove matched with the earphone channel, the support plate is also provided with a sealing device for sealing the earphone channel and a positioning column for connecting the earphone channel, and a plurality of elastic pressure rods for fixing the earphone channel in the positioning groove are lifted and erected; the positioning groove is provided with a sealing ring, an air vent is arranged in the sealing ring, and the air vent is communicated with the air pressure generating device. The utility model discloses can promote the degree of automation of the sealed test of earphone passageway, at the in-process of test, the sealed operation at earphone passageway both ends all can be accomplished through the cylinder is flexible. Wherein the elastic pressure lever used for pressing the earphone channel comprises a spring, the elastic pressure lever realizes the pressing of the testing earphone channel through a presser foot with certain elasticity, and the pressing is ensured to be stable, and meanwhile, the test product is prevented from being crushed.
Description
Technical Field
The utility model relates to an earphone channel seals testing arrangement belongs to earphone leakproofness testing arrangement technical field.
Background
The earphone needs to be subjected to sealing test in the generation process, wherein the sealing test of the earphone channel is particularly important, the earphone channel is usually an injection molding piece, and the phenomena of air holes, cracking and the like are inevitable in the injection molding process. The both ends of earphone passageway all are equipped with the opening, and one end is used for passing the circuit or connects other parts of earphone, and the other end is used for installing sound generating mechanism, and when the test, need all seal both ends, the earphone passageway among the prior art seals testing arrangement ubiquitous test slow, the lower phenomenon of degree of automation.
SUMMERY OF THE UTILITY MODEL
For solving the deficiencies of the prior art, an object of the utility model is to provide an earphone channel sealing testing device
In order to achieve the above object, the utility model adopts the following technical scheme:
the device for testing the sealing of the earphone channel is characterized by comprising a base plate, a support and a lifting frame, wherein a carrier plate is arranged at the upper end of the base plate, the lifting frame can be connected to the support in a vertical sliding mode, and the lower end of the support is connected with the base plate;
the upper end of the support plate is provided with a positioning groove matched with the earphone channel, the support plate is also provided with a sealing device for sealing the earphone channel and a positioning column for connecting the earphone channel, and a plurality of elastic pressure rods for fixing the earphone channel in the positioning groove are erected in a lifting manner;
the positioning groove is provided with a sealing ring, an air vent is arranged in the sealing ring, and the air vent is communicated with the air pressure generating device.
Preferably, the device for testing sealing of an earphone channel is characterized in that the elastic pressure rod comprises a sliding sleeve, a spring, a pressure foot and a sliding rod which is slidably connected to the sliding sleeve, the sliding sleeve is connected to the lifting frame, the pressure foot is connected to the lower end of the sliding rod, the spring is sleeved on the sliding rod, and two ends of the spring are respectively connected with the sliding sleeve and the pressure foot.
Preferably, the earphone channel sealing test device is characterized in that the sealing device is a sealing plate, and the sealing plate is provided with a sealing block for sealing the earphone channel.
Preferably, the sealing plate is further connected with a sealing cylinder for driving the sealing plate to move relative to the earphone channel.
Preferably, the device for testing sealing of an earphone channel is characterized in that the sealing cylinder is arranged on the lower surface of the carrier plate.
Preferably, the earphone channel sealing testing device is characterized in that the support is provided with a vertical guide rail which is vertically arranged, and the lifting frame is vertically and slidably connected to the support through the vertical guide rail.
Preferably, the device for testing the sealing of the earphone channel is characterized in that a lifting cylinder is further arranged between the lifting frame and the support.
Preferably, the device for testing sealing of an earphone channel is characterized in that a control box is further arranged below the substrate.
Preferably, the device for testing the sealing of the earphone channel is characterized in that the number of the elastic compression rods is seven.
The utility model discloses the beneficial effect who reaches:
compared with the prior art, the utility model discloses can promote the degree of automation of the sealed test of earphone passageway, at the in-process of test, the sealed operation at earphone passageway both ends all can be accomplished through the cylinder is flexible. Wherein the elastic pressure lever used for pressing the earphone channel comprises a spring, the elastic pressure lever realizes the pressing of the testing earphone channel through a presser foot with certain elasticity, and the pressing is ensured to be stable, and meanwhile, the test product is prevented from being crushed. Two reference columns cooperate with the connecting hole, can guarantee the accurate laminating of product and constant head tank, avoid the product to take place the skew, also exactly because the product can pinpoint, just can guarantee the reliability that two are sealed.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
fig. 2 is an isometric view of the carrier plate of the present invention;
fig. 3 is an axial sectional view of the elastic pressure rod of the present invention;
fig. 4 is a top view of the earphone channel of the present invention;
the meaning of the reference symbols in the figures: 1-a substrate; 2-a scaffold; 3, lifting the rack; 4-an elastic compression bar; 5-carrying plate; 6-sealing plate; 11-a control box; 21-a vertical guide rail; 41-sliding rod; 42-presser foot; 43-a sliding sleeve; 44-a spring; 51-a positioning groove; 52-positioning columns; 511-sealing ring; 512-a vent hole; 61-a sealing block; 7-earphone channel; 71-connecting hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3: the embodiment discloses a testing arrangement for earphone channel sealing, including base plate 1, support 2 and crane 3, base plate 1 upper end is equipped with support plate 5, and crane 3 is sliding connection in support 2 from top to bottom, and base plate 1 is connected to support 2 lower extreme.
The upper end of the support plate 5 is provided with a positioning groove 51 matched with the outline of the earphone channel, the support plate 5 is also provided with a sealing device for sealing the earphone channel and a positioning column 52 for connecting the earphone channel, and the lifting frame 3 is provided with a plurality of elastic pressure rods 4 for fixing the earphone channel in the positioning groove 51.
Wherein the positioning groove 51 is provided with a sealing ring 511 for connecting the outer edge of the mounting hole of the earphone channel sounding device. A vent hole 512 is provided in the seal 511, and the vent hole 512 is communicated with the air pressure generating device.
As shown in fig. 3: the elastic pressure lever 4 comprises a sliding sleeve 43, a spring 44, a pressure foot 42 and a sliding rod 41 which can be slidably connected with the sliding sleeve 43, the sliding sleeve 43 is connected with the lifting frame 3, the pressure foot 42 is connected with the lower end of the sliding rod 41, the spring 44 is sleeved on the sliding rod 41, and the two ends of the spring are respectively connected with the sliding sleeve 43 and the pressure foot 42. The presser foot 42 is preferably made of an elastic material, such as rubber.
The sealing device of this embodiment is a sealing plate 6, the sealing plate 6 is provided with a sealing block 61 for sealing the earphone channel, the sealing block 61 has a conical block protruding outwards, and when being sealed, the conical block can extend into the inside of the earphone channel and extrude with the inner wall of the earphone channel, so that the sealing effect is better.
The sealing plate 6 is further connected with a sealing cylinder for driving the sealing plate 6 to move relative to the earphone passage, that is, the power device for sealing the earphone passage by the sealing plate 6 is a sealing cylinder, and the sealing cylinder is preferably arranged on the lower surface of the carrier plate 5.
The concrete structure that this embodiment crane 3 slidable connection in support 2 about can be: the support 2 is provided with a vertical guide rail 21 which is vertically arranged, and the lifting frame 3 is vertically and slidably connected to the support 2 through the vertical guide rail 21. Still be equipped with the lift cylinder between crane 3 and the support 2, the flexible gas or the pushing down that can realize crane 3 through the lift cylinder.
The lower part of the base plate 1 is also provided with a control box 11, a control circuit board and an electromagnetic valve are arranged in the control box 11, and an operation button and a panel are arranged at the outer side part.
In use, the earphone passage 7 is placed inside the positioning groove 51, wherein at least two connecting holes 71 are sleeved on the positioning column 52. As shown in fig. 4: the dark circular areas in the figure indicate the pressing positions of the presser feet 42 against the earphone channels 7, and the dark bar areas indicate the pressing of the bar-shaped pressing bars connected to the lower ends of the plurality of elastic pressing bars 4 simultaneously against the earphone channels 7. That is, the number of the elastic pressing rods 4 in the present embodiment is seven. Three of the connecting strip-shaped pressing strips are arranged at the connecting end (the right end in the view of fig. 4) of the sealing plate 6 of the earphone channel 7, on the other hand, the sealing ring 511 is clamped at the opening at the left side (the connecting end of the sound generating device of the earphone channel) of the drawing in fig. 4, the sealing ring 511 is used for sealing the earphone channel, and after the two sealing parts are completely sealed, the air pressure generating device is used for ventilating or vacuumizing the inside of the earphone channel through the vent hole 512. The specific test specification and flow can be set according to the needs of the product, for example, the present embodiment can adopt an external air pressure of 0.5-0.6Kpa, a negative pressure test, a test air pressure of 13.3 ± 0.5Kpa, an inflation time of 3-5s, a stabilization time of 5s, a test time: for 10 s.
Compared with the prior art, the utility model discloses can promote the degree of automation of the sealed test of earphone passageway, at the in-process of test, the sealed operation at earphone passageway both ends all can be accomplished through the cylinder is flexible. The elastic pressing rod 4 for pressing the earphone channel comprises a spring 44, the elastic pressing rod 4 presses the testing earphone channel through a pressing foot 42 with certain elasticity, and the testing product is prevented from being crushed while stable pressing is guaranteed. Two reference columns 52 cooperate with connecting hole 71, can guarantee the accurate laminating of product and constant head tank 51, avoid the product to take place the skew, just because the product can pinpoint, just can guarantee the reliability of two places sealings.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. The device for testing the sealing of the earphone channel is characterized by comprising a base plate (1), a support (2) and a lifting frame (3), wherein a carrier plate (5) is arranged at the upper end of the base plate (1), the lifting frame (3) can be connected to the support (2) in a vertical sliding mode, and the lower end of the support (2) is connected with the base plate (1);
the upper end of the support plate (5) is provided with a positioning groove (51) matched with the earphone channel, the support plate (5) is also provided with a sealing device for sealing the earphone channel and a positioning column (52) for connecting the earphone channel, and the lifting frame (3) is provided with a plurality of elastic pressing rods (4) for fixing the earphone channel in the positioning groove (51);
the positioning groove (51) is provided with a sealing ring (511), a vent hole (512) is arranged in the sealing ring (511), and the vent hole (512) is communicated with the air pressure generating device.
2. The earphone channel sealing test device according to claim 1, wherein the elastic pressure rod (4) comprises a sliding sleeve (43), a spring (44), a pressure foot (42) and a sliding rod (41) slidably connected to the sliding sleeve (43), the sliding sleeve (43) is connected to the lifting frame (3), the pressure foot (42) is connected to the lower end of the sliding rod (41), the spring (44) is sleeved on the sliding rod (41), and the two ends of the spring are respectively connected to the sliding sleeve (43) and the pressure foot (42).
3. A device for testing the sealing of an earphone channel according to claim 1, characterized in that the sealing device is a sealing plate (6), the sealing plate (6) being provided with a sealing block (61) for sealing the earphone channel.
4. A headphone port sealing test device according to claim 3, wherein the sealing plate (6) is further connected to a sealing cylinder for driving the sealing plate (6) to move relative to the headphone port.
5. The device for testing the sealing of the earphone channel according to claim 4, wherein the sealing cylinder is disposed on the lower surface of the carrier plate (5).
6. The earphone channel sealing test device according to claim 1, wherein the support (2) is provided with a vertical guide rail (21) which is vertically arranged, and the lifting frame (3) is vertically and slidably connected to the support (2) through the vertical guide rail (21).
7. The device for testing the sealing of the earphone channel according to claim 6, wherein a lifting cylinder is further arranged between the lifting frame (3) and the support (2).
8. The device for testing the sealing of the earphone channel according to claim 1, wherein a control box (11) is further provided below the base plate (1).
9. The earphone channel seal testing device according to claim 1, wherein the number of the elastic pressing rods (4) is seven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036505.4U CN211013379U (en) | 2019-11-22 | 2019-11-22 | Earphone channel sealing testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036505.4U CN211013379U (en) | 2019-11-22 | 2019-11-22 | Earphone channel sealing testing device |
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| Publication Number | Publication Date |
|---|---|
| CN211013379U true CN211013379U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922036505.4U Active CN211013379U (en) | 2019-11-22 | 2019-11-22 | Earphone channel sealing testing device |
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| CN (1) | CN211013379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115198A (en) * | 2021-03-05 | 2021-07-13 | 立讯电子科技（昆山）有限公司 | Air suction carrier, air suction device and method for solving poor acoustics of earphone |
| CN113790854A (en) * | 2021-08-09 | 2021-12-14 | 常熟理工学院 | Pressure-resistant electronic product sealing detection system |
-
2019
- 2019-11-22 CN CN201922036505.4U patent/CN211013379U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115198A (en) * | 2021-03-05 | 2021-07-13 | 立讯电子科技（昆山）有限公司 | Air suction carrier, air suction device and method for solving poor acoustics of earphone |
| CN113790854A (en) * | 2021-08-09 | 2021-12-14 | 常熟理工学院 | Pressure-resistant electronic product sealing detection system |
| CN113790854B (en) * | 2021-08-09 | 2023-08-11 | 常熟理工学院 | Compression-resistant electronic product sealing detection system |
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Address after: Building 4, No. 488 Qianjin East Road, Kunshan Development Zone, Suzhou City, Jiangsu Province, 215300 Patentee after: Kunshan Mister Precision Mechanical Co.,Ltd. Address before: No. 83, Kangjia Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN MINGSHITE PRECISION MACHINERY Co.,Ltd. |