CN210604261U - A ventilative volume detection device for acoustics ventilated membrane - Google Patents
A ventilative volume detection device for acoustics ventilated membrane Download PDFInfo
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- CN210604261U CN210604261U CN201921562069.8U CN201921562069U CN210604261U CN 210604261 U CN210604261 U CN 210604261U CN 201921562069 U CN201921562069 U CN 201921562069U CN 210604261 U CN210604261 U CN 210604261U
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Abstract
The utility model relates to a ventilative volume detection device technical field discloses a ventilative volume detection device for acoustics ventilated membrane, comprising a base plate, one side of bottom plate upper end is provided with the gas holder, and the opposite side of bottom plate upper end is provided with the installation piece, one side of gas holder is provided with the gas-supply pipe, the position that is close to the gas holder on the gas-supply pipe is provided with the governing valve, and the position that is close to the governing valve on the gas-supply pipe is provided with the pressure gauge, the one end fixedly connected with connecting pipe of gas holder is kept away from to the gas-supply pipe, the intermediate position of installation piece upper end is provided with positive and negative motor, and the. Cover through the sealed cowling and detect the detection groove on the piece and seal, can prevent effectively that compressed air from just flowing to expose out before not passing the acoustics ventilated membrane, the support otter board that acoustics ventilated membrane lower extreme set up provides ascending holding power to the acoustics ventilated membrane to can prevent effectively that the acoustics ventilated membrane from receiving air pressure to produce deformation and damage.
Description
Technical Field
The utility model relates to a ventilative volume detection device technical field specifically is a ventilative volume detection device for acoustics ventilated membrane.
Background
The acoustics ventilated membrane is a protective film that present electronic product is commonly used, it can provide the dust for electronic product and spatters the liquid barrier, the transmissibility that can not lead to sound simultaneously has obvious decline with the integrality, not only can guarantee the quality of sound, can also provide pleasing to the eye dustcoat, it has good gas permeability, not only can effectively prevent the harmful gas accumulation of battery release, can also effectively prevent the phenomenon of condensation and display screen fogging, and acoustics ventilated membrane is at the in-process of production and application, must carry out the detection of ventilative volume to it at first, whether up to standard with this quality of distinguishing acoustics ventilated membrane, and often need use ventilative volume detection device at the in-process that the ventilative volume of acoustics ventilated membrane detected.
However, the detection effect of the existing air permeability detection devices of many acoustic breathable films is not good enough, and the structures are complex. Accordingly, one skilled in the art provides a ventilation amount detecting device for an acoustic breathable film to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ventilative volume detection device for acoustics ventilated membrane to solve the detection effect of the ventilative volume detection device of present many acoustics ventilated membranes that provide in the above-mentioned background art good inadequately, and the problem that the structure is complicated.
In order to achieve the above object, the utility model provides a following technical scheme:
a ventilation quantity detection device for an acoustic breathable film comprises a bottom plate, wherein one side of the upper end of the bottom plate is provided with a gas storage tank, the other side of the upper end of the bottom plate is provided with a mounting block, one side of the gas storage tank is provided with a gas delivery pipe, a position, close to the gas storage tank, of the gas delivery pipe is provided with a regulating valve, a position, close to the regulating valve, of the gas delivery pipe is provided with a pressure gauge, one end, away from the gas storage tank, of the gas delivery pipe is fixedly connected with a connecting pipe, a positive and negative motor is arranged in the middle of the upper end of the mounting block, a lead screw is arranged on the inner side of the mounting block, corresponding to the positive and negative motor, auxiliary rods are arranged on the inner side of the mounting block, close to the two sides of the lead screw, a detection, and a supporting screen plate is arranged at a position, close to an upper end outlet, of the detection groove, an acoustic breathable film is arranged at the upper end of the supporting screen plate, moving blocks are arranged on the auxiliary rod and the lead screw, and a sealing cover is arranged at a position, corresponding to the detection block, of the lower end of each moving block.
As a further aspect of the present invention: the sealing cover comprises a sealing cover body, the sealing cover body is close to the outer edge of the lower end and is fixedly connected with a rubber sealing ring, and an air inlet pipe is fixedly connected to the upper end of the sealing cover body.
As a further aspect of the present invention: one end, far away from the sealing boot body, of the air inlet pipe penetrates through the moving block to the upper end position, and one end, far away from the sealing boot body, of the air inlet pipe is fixedly connected with one end of the connecting pipe.
As a further aspect of the present invention: the auxiliary rod and the lead screw penetrate through the moving block, the auxiliary rod is connected with the moving block in a sliding mode, the lead screw is connected with the moving block in a rotating mode, and one end of the lead screw is in transmission connection with the output end of the positive and negative motor.
As a further aspect of the present invention: one end of the exhaust pipe is embedded into the detection block and communicated with the detection groove.
As a further aspect of the present invention: the supporting screen plate is fixedly connected to the inner side of the detection groove.
Compared with the prior art, the beneficial effects of the utility model are that: cover through the sealed cowling and detect the detection groove on the piece and seal, can prevent effectively that compressed air from just flowing to expose before not passing the acoustics ventilated membrane, the support otter board that acoustics ventilated membrane lower extreme set up provides ascending holding power to the acoustics ventilated membrane, thereby can prevent effectively that the acoustics ventilated membrane from producing deformation damage by air pressure, the pressure gauge and the gas flowmeter combined action of setting, can record the ventilative volume of acoustics ventilated membrane under the different air pressure, detection effect is good, the positive and negative motor of setting, the movable block, auxiliary rod and lead screw combined action, can adjust the position of sealed cowling in vertical direction, conveniently tightly press the sealed cowling on the acoustics ventilated membrane, strengthen the leakproofness, this device simple structure, and is with low costs, therefore, the clothes hanger is strong.
Drawings
FIG. 1 is a schematic structural view of an air permeability detection device for an acoustic gas permeable membrane;
FIG. 2 is a partial cross-sectional view of a gas transmission measuring device for an acoustic vented membrane;
fig. 3 is a schematic structural view of a sealing cap in an air permeability detecting apparatus for an acoustic permeable membrane.
In the figure: 1. a base plate; 2. a gas storage tank; 3. mounting blocks; 4. a gas delivery pipe; 5. adjusting a valve; 6. a pressure gauge; 7. a connecting pipe; 8. a positive and negative motor; 9. a sealing cover; 10. a moving block; 11. an acoustic vented membrane; 12. an auxiliary lever; 13. a screw rod; 14. a detection block; 15. an exhaust pipe; 16. a gas flow meter; 17. a detection tank; 18. supporting the screen plate; 91. a seal boot body; 92. an air inlet pipe; 93. a rubber seal ring.
Detailed Description
Referring to fig. 1-3, in the embodiment of the present invention, a ventilation amount detecting device for an acoustic breathable film comprises a bottom plate 1, a gas storage tank 2 is disposed on one side of the upper end of the bottom plate 1, an installation block 3 is disposed on the other side of the upper end of the bottom plate 1, a gas pipe 4 is disposed on one side of the gas storage tank 2, a regulating valve 5 is disposed on the gas pipe 4 near the gas storage tank 2, a pressure gauge 6 is disposed on the gas pipe 4 near the regulating valve 5, a connecting pipe 7 is fixedly connected to one end of the gas pipe 4 far from the gas storage tank 2, a positive and negative motor 8 is disposed in the middle of the upper end of the installation block 3, a screw 13 is disposed on the inner side of the installation block 3 corresponding to the positive and negative motor 8, auxiliary rods 12 are disposed on the inner side of the installation block 3 near both sides of the screw 13, a detection block, the exhaust pipe 15 is provided with a gas flowmeter 16, the detection block 14 is internally provided with a detection groove 17, the detection groove 17 is provided with a support screen 18 at a position close to an upper end outlet, the upper end of the support screen 18 is provided with an acoustic breathable film 11, the auxiliary rod 12 and the lead screw 13 are provided with a movable block 10, and the lower end of the movable block 10 is provided with a sealing cover 9 at a position corresponding to the detection block 14.
In fig. 3: the sealing cover 9 comprises a sealing cover body 91, the sealing cover body 91 is close to the outer edge of the lower end and is fixedly connected with a rubber sealing ring 93, and an air inlet pipe 92 is fixedly connected with the upper end of the sealing cover body 91, so that the sealing cover 9 is provided with sealing capacity while being ventilated.
In fig. 1: the one end that the sealed cowling body 91 was kept away from to intake pipe 92 runs through movable block 10 in the upper end position, and the one end that sealed cowling body 91 was kept away from to intake pipe 92 and the one end fixed connection of connecting pipe 7 to can be linked together sealed cowling 9 and gas-supply pipe 4, and then make sealed cowling 9 and gas holder 2 be linked together.
In fig. 1: the auxiliary rod 12 and the lead screw 13 both penetrate through the moving block 10, the auxiliary rod 12 is in sliding connection with the moving block 10, the lead screw 13 is in rotating connection with the moving block 10, one end of the lead screw 13 is in transmission connection with the output end of the positive and negative motor 8, so that the lead screw 13 can be driven to rotate by controlling the rotation of the positive and negative motor 8, the position of the moving block 10 in the vertical direction is adjusted, and the auxiliary rod 12 can enable the moving block 10 to move up and down stably.
In fig. 1 and 2: one end of the exhaust pipe 15 is inserted into the detection block 14 and communicated with the detection groove 17, so that the air in the detection groove 17 can be exhausted through the exhaust pipe 15, and the gas flowmeter 16 on the exhaust pipe 15 can measure the flow rate of the air.
In fig. 2: support otter board 18 fixed connection and detect the inboard of groove 17 to make the fixed position of support otter board 18, and then conveniently support the acoustics ventilated membrane 11 that support otter board 18 upper end was placed, prevent that acoustics ventilated membrane 11 from receiving air pressure to produce deformation damage.
The utility model discloses a theory of operation is: when the ventilation quantity detection device needs to be used, firstly, the acoustic breathable film 11 is placed at the upper end of the supporting screen 18, then the screw rod 13 is driven to rotate by controlling the rotation of the positive and negative motors 8, the moving block 10 is made to move downwards, the acoustic breathable film 11 is tightly covered and sealed by the sealing cover 9 at the lower end of the moving block 10, then, the adjusting valve 5 is rotated, air is input into the air pipe 4, at the moment, the pressure gauge 6 on the air pipe 4 can measure the air pressure inside the air pipe 4, the air reaches the sealing cover 9 through the connecting pipe 7 and then reaches the lowest end of the detection groove 17 through the acoustic breathable film 11, and finally, the air is exhausted through the exhaust pipe 15 communicated with the detection groove 17, at the moment, the air flow of the exhaust pipe 15 can be measured through the gas flow meter 16 on the exhaust pipe 15.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A ventilation amount detection device for an acoustic breathable film comprises a bottom plate (1) and is characterized in that a gas storage tank (2) is arranged on one side of the upper end of the bottom plate (1), an installation block (3) is arranged on the other side of the upper end of the bottom plate (1), a gas transmission pipe (4) is arranged on one side of the gas storage tank (2), an adjusting valve (5) is arranged on the gas transmission pipe (4) close to the gas storage tank (2), a pressure gauge (6) is arranged on the gas transmission pipe (4) close to the adjusting valve (5), one end, far away from the gas storage tank (2), of the gas transmission pipe (4) is fixedly connected with a connecting pipe (7), a positive and negative motor (8) is arranged in the middle of the upper end of the installation block (3), a lead screw (13) is arranged on the inner side of the installation block (3) corresponding to the position of the positive and negative motor (8), auxiliary, and the position that the inboard of installation piece (3) is close to lead screw (13) is provided with detects piece (14), it is provided with blast pipe (15) to detect one side that lead screw (13) were kept away from in piece (14), and is provided with gas flowmeter (16) on blast pipe (15), detect the inside of piece (14) and seted up and detect groove (17), and detect the position that groove (17) are close to the upper end export and be provided with support otter board (18), the upper end of support otter board (18) is provided with acoustics ventilated membrane (11), be provided with movable block (10) on auxiliary rod (12) and lead screw (13), the position that the corresponding detection piece (14) of movable block (10) lower extreme is provided with sealed cowling (9).
2. The air permeability detection device for the acoustic breathable film according to claim 1, wherein the sealing cover (9) comprises a sealing cover body (91), a rubber sealing ring (93) is fixedly connected to the outer edge of the sealing cover body (91) close to the lower end, and an air inlet pipe (92) is fixedly connected to the upper end of the sealing cover body (91).
3. The air permeability detection device for the acoustic breathable membrane according to claim 2, wherein one end of the air inlet pipe (92) far away from the sealing cover body (91) penetrates through the moving block (10) to the upper end position, and one end of the air inlet pipe (92) far away from the sealing cover body (91) is fixedly connected with one end of the connecting pipe (7).
4. The air permeability detection device for the acoustic breathable film according to claim 1, wherein the auxiliary rod (12) and the lead screw (13) both penetrate through the moving block (10), the auxiliary rod (12) is slidably connected with the moving block (10), the lead screw (13) is rotatably connected with the moving block (10), and one end of the lead screw (13) is in transmission connection with an output end of the positive and negative motor (8).
5. The air permeability detection device for the acoustic breathable film according to claim 1, wherein one end of the exhaust pipe (15) is embedded in the detection block (14) and is communicated with the detection groove (17).
6. The air permeability detection device for the acoustic breathable membrane according to claim 1, wherein the supporting mesh plate (18) is fixedly connected to the inner side of the detection tank (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562069.8U CN210604261U (en) | 2019-09-19 | 2019-09-19 | A ventilative volume detection device for acoustics ventilated membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562069.8U CN210604261U (en) | 2019-09-19 | 2019-09-19 | A ventilative volume detection device for acoustics ventilated membrane |
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| CN210604261U true CN210604261U (en) | 2020-05-22 |
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| CN201921562069.8U Active CN210604261U (en) | 2019-09-19 | 2019-09-19 | A ventilative volume detection device for acoustics ventilated membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228869A3 (en) * | 2020-08-14 | 2021-06-24 | 苏州普轮电子科技有限公司 | Water environment aeration purification apparatus |
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2019
- 2019-09-19 CN CN201921562069.8U patent/CN210604261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228869A3 (en) * | 2020-08-14 | 2021-06-24 | 苏州普轮电子科技有限公司 | Water environment aeration purification apparatus |
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