CN113074906B - Multifunctional sealing interface device for air performance test bench - Google Patents
Multifunctional sealing interface device for air performance test bench Download PDFInfo
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- CN113074906B CN113074906B CN202110316198.4A CN202110316198A CN113074906B CN 113074906 B CN113074906 B CN 113074906B CN 202110316198 A CN202110316198 A CN 202110316198A CN 113074906 B CN113074906 B CN 113074906B
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Abstract
A multifunctional sealing interface device for an air performance test bench belongs to the technical field of air performance test. The device comprises a ventilation section and a control valve section arranged on the ventilation section, wherein the air outlet end of the ventilation section is connected with an air duct in an air performance testing device, and the air inlet end of the control valve section is provided with a corrugated pipe flange; an airflow channel is formed in the ventilation section, and an annular cavity communicated with the airflow channel is formed at the air inlet end of the ventilation section; the control valve section comprises a control valve shell communicated with the gas flow channel, a thrust assembly is arranged in the control valve shell, and the inside of the control valve shell is separated from the gas flow channel into a third cavity and a fourth cavity which can be communicated. The device replaces the step of sealing with an adhesive tape between the air duct in the test air duct and the air outlet cover or the corrugated pipe of the air outlet of the integrated stove or the range hood in the air performance test, reduces the workload of experimenters, and compared with the sealing with the adhesive tape, the device can not cause air leakage because of overlarge air flow in the experimental process.
Description
Technical Field
The invention belongs to the technical field of air performance testing, and particularly relates to a multifunctional sealing interface device for an air performance testing test bed.
Background
The air performance testing device is suitable for testing the air capacity performance of household range hoods and ventilation fans with similar purposes. Meets the test requirements of GB/T1236 Standard Performance test for Industrial general Fan, and also meets the requirements of standards such as ISO 5801, JIS B8330, JIS C9603, etc.
In the test experiment at present, dryer and the air-out cover or the bellows of integrated kitchen or lampblack absorber air outlet in the test wind channel pass through sticky tape sealing connection. Before the experiment begins at every turn, operating personnel need be sealed with the sticky tape, tear open the sealing tape after the experiment finishes, and the experiment need survey multiunit data at every turn, twine repeatedly and tear open the sealing tape and not only lead to a large amount of wastes, still increase experimenter's operating procedure. Meanwhile, the air quantity in the air duct is too large in the experimental process, and air can enter gaps between the adhesive tapes, so that air leakage is caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a multifunctional sealing interface device for an air performance test bench, which is suitable for an air outlet cover and a corrugated pipe interface, and has the advantages of simple operation and good gas sealing performance.
The invention provides the following technical scheme: the utility model provides an air capability test is multi-functional sealed interface arrangement for test bench which characterized in that: the device comprises a ventilation section and a control valve section arranged on the ventilation section, wherein the air outlet end of the ventilation section is connected with an air duct in an air performance testing device, and the air inlet end of the control valve section is provided with a corrugated pipe flange;
an airflow channel is formed in the ventilation section, an annular chamber communicated with the airflow channel is arranged at the air inlet end of the ventilation section, the annular chamber is divided into a first annular chamber and a second annular chamber, a static magnetic semi-circle ring is arranged in the first annular chamber, and a sealing air ring is arranged in the second annular chamber;
the control valve section comprises a control valve shell communicated with the air flow channel, a thrust assembly is arranged in the control valve shell, the interior of the control valve shell is separated from the air flow channel into a third cavity and a fourth cavity which can be communicated, and the fourth cavity is communicated with the sealing air ring through an inflating hose.
The multifunctional sealing interface device for the air performance test bench is characterized in that the dynamic and static magnetic semicircular rings comprise a dynamic magnetic semicircular ring and a static magnetic semicircular ring which are concentrically arranged, the dynamic magnetic semicircular ring and the static magnetic semicircular ring are connected through a group of springs, the static magnetic semicircular ring is connected with an external circuit, and the magnetism of the static magnetic semicircular ring can be changed by adjusting the current of the external circuit.
The multifunctional sealing interface device for the air performance test bench is characterized in that a flange plate is arranged at the air outlet end of the ventilation section, and the ventilation section is connected with an air duct in the air performance test device through the flange plate.
A multi-functional sealed interface arrangement is used to air capability test bench, its characterized in that the control valve section is still including setting up the valve gap at control valve casing head, thrust subassembly includes push rod and sealing ring, and the push rod includes the threaded rod, inside the threaded rod lower extreme inserted control valve casing, the sealing ring was installed to the lower extreme tip, and the outside cover of sealing ring is equipped with the sealing washer, and control valve casing and valve gap are passed to the upper end of push rod, and the handle is installed to the upper end tip.
The utility model provides an air performance test is multi-functional sealed interface arrangement for platform, its characterized in that be provided with the check valve between third chamber and the fourth chamber, be equipped with the valve opening that loses heart on the fourth chamber inboard wall, the axial of valve opening that loses heart and airflow channel's axial direction parallel, the valve that loses heart department installs the valve that loses heart.
A multi-functional sealed interface arrangement is used to air capability test bench, its characterized in that be equipped with first gas consent on the lateral wall of fourth cavity, second gas consent, first gas consent, the downthehole first air cock that is equipped with respectively of second air cock, first air cock, the outer end of second air cock is tight to be in aerifing the hose, aerifys the hose the other end and seals the ring intercommunication, the sealed ring is the ring form ring.
The multifunctional sealing interface device for the air performance test bench is characterized in that the axial leads of the ventilation sections and the control valve shell are perpendicular to each other, and the ventilation sections and the control valve shell are in an inverted T shape.
The multifunctional sealing interface device for the air performance test bench is characterized in that the corrugated pipe connecting disc comprises a circular disc, a circular ring rubber ring and a corrugated pipe, the circular disc is installed on one side of the ventilation section through a set of clamps, a stepped structure groove is formed in the outer side of the circular disc, the circular ring rubber ring is sleeved in the stepped structure groove, and one end of the corrugated pipe penetrates through the middle of the circular disc.
The multifunctional sealing interface device for the air performance test bench is characterized in that a group of extension end faces are arranged on the outer wall of the air inlet end of the ventilation section, and a group of clamps are arranged on the corresponding extension end faces.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) when an air duct in a test air duct is connected with an air outlet cover through the device, the current in the static magnetic semicircular ring is adjusted through the dynamic magnetic semicircular ring and the static magnetic semicircular ring arranged in the device, the magnetism of the static magnetic semicircular ring is changed, the attraction and the repulsion between the dynamic magnetic semicircular ring and the static magnetic semicircular ring can be realized by utilizing the spring arranged between the dynamic magnetic semicircular ring and the static magnetic semicircular ring, and the fastening installation and the disassembly of the air outlet cover and the ventilation section in the device are further realized; through the sealing air ring arranged in the device, the sealing air ring is inflated through the control valve section, so that the connection and sealing between the device and the air outlet cover can be realized;
2) when an air duct in a test air duct is connected with a corrugated pipe connector through the device, the circular disc is pressed through a group of clamps arranged in the device, and then the circular rubber ring arranged on the circular disc is pressed, so that the connection sealing between the device and the corrugated pipe connector is realized;
3) the device replaces the step of sealing the adhesive tape between the air duct in the test air duct and the air outlet cover or the corrugated pipe of the air outlet of the integrated stove or the range hood in the air performance test, reduces the workload of experimenters and the consumption of the adhesive tape in the experiment, and compared with the sealing of the adhesive tape, the device can not cause gas leakage because of overlarge airflow in the experiment process.
Drawings
FIG. 1 is a schematic view of the connection structure of the device of the present invention and a bellows interface;
FIG. 2 is a schematic view of the connection structure of the device of the present invention and an air outlet cover;
FIG. 3 is a schematic perspective view of the apparatus of the present invention;
FIG. 4 is a schematic side view of the apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view taken along the line A-A in FIG. 4;
FIG. 6 is a schematic view of the moving and stationary semicircular magnetic rings of the invention;
FIG. 7 is a schematic view of the connection structure of the sealing balloon and the inflation hose of the present invention;
FIG. 8 is a schematic view of the putter of the present invention;
FIG. 9 is a schematic view of the check valve of the present invention;
FIG. 10 is a schematic view of the structure of the device of the present invention showing the flow direction of the compressed air;
FIG. 11 is a schematic view of a circular disk of the present invention;
FIG. 12 is a schematic front view of the device of the present invention;
FIG. 13 is a cross-sectional view taken along line B-B of FIG. 12;
fig. 14 is an enlarged schematic view of fig. 3 at P1.
In the figure: 1. a venting section; 11. a flange plate; 111. a flange hole; 12. an air flow channel; 13. a moving magnetic semicircular ring; 14. a magnetostatic semicircular ring; 15. sealing the air ring; 16. a clamp; 16a, a first clamp; 16b, a second clamp; 16c, a third clamp; 16d, a fourth clamp; 17. a first annular chamber; 18. a second annular chamber; 19a, a first extended end surface; 19b, a second extended end surface; 189c, a third extended end surface; 19d, a fourth extended end surface; 2. a control valve section; 21. a push rod; 211. a handle; 212. a threaded rod; 213. a seal ring; 22. a valve cover; 23. a seal ring; 24. fastening a nut; 25. a non-return valve; 251. a valve flap; 252. a valve plate; 26. a relief valve hole; 27. an air release valve; 28a, a first air plug hole; 28b, a second vent hole; 29a, a first air lock; 29b, a second air lock; 2a, a third chamber; 2b, a fourth chamber; 3. a bellows flange; 31. a circular disc; 32. a circular ring rubber ring; 33. a bellows; 34. and (5) clamping the hoop.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments of the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-14, the multifunctional sealing interface device for air performance testing stand includes a ventilation section 1, a control valve section 2, and a bellows adapter 3.
The ventilation section 1 comprises a flange plate 11, an air flow channel 12, a moving magnetic semicircular ring 13, a static magnetic semicircular ring 14, a sealing air ring 15, a first clamp 16a, a second clamp 16b, a third clamp 16c and a fourth clamp 16d, wherein the flange plate 11 is provided with annular uniformly distributed flange holes 111, the left side of the flange plate 11, namely the outlet end of the device and an air duct in an air performance testing device, are connected through bolts, the right side of the flange plate is axially communicated with the air flow channel 12, the air flow channel 12 and the outlet end of the right side of the device form an annular chamber, and the annular chamber is separated by an annular thin wall to form a first annular chamber 17 and a second annular chamber 18; the dynamic and static magnetic semicircular rings are divided into a dynamic magnetic semicircular ring 13 and a static magnetic semicircular ring 14 which are concentrically arranged in a first annular chamber 17; the sealing air ring 15 is an annular air ring and is arranged in the second annular chamber 18, and two inflation hoses are adjacently arranged on the sealing air ring 15 and respectively penetrate through inflation hose holes correspondingly arranged at the right end of the ventilation section 1.
The control valve section 2 comprises a push rod 21, a valve cover 22, a sealing ring 23, a fastening nut 24, a check valve 25, an air release valve hole 26, an air release valve 27, a first air plug hole 28a, a second air plug hole 28b, a first air plug 29a and a second air plug 29b, the control valve section 2 is separated from the air release section 1 through a thin wall and is divided into a third cavity 2a and a fourth cavity 2b according to the upper part and the lower part, the push rod 21 is positioned in the third cavity 2a and comprises a handle 211, a threaded rod 212 and a sealing ring 213, the middle of the handle 211 is provided with a threaded hole, both ends of the threaded rod 212 are provided with threads, the upper end of the threaded rod is connected with the threaded hole of the handle 211, the lower end of the threaded rod is connected with the sealing ring 23, and the sealing ring 23 is fixed through the fastening nut 24; the valve cover 22 is narrow at the top and wide at the bottom, and the inner wall of the valve cover is provided with internal threads which are matched with the external threads on the outer wall of the upper end of the control valve 2; the check valve 25 comprises a valve clack 251 and a valve plate 252, and an air release valve 27 is arranged at the boundary of the third chamber 2a and the fourth chamber 2b of the control valve section 2 and at the fourth chamber 2 b; the air release valve hole 26 is arranged on the wall surface of the fourth cavity 2b, and the axial direction of the hole is parallel to the ventilation section 1; the air plug hole 28a is divided into a first air plug hole 28a and a second air plug hole 28b which are arranged on the wall surface of the fourth chamber 2b in parallel, the inner wall surface is provided with threads, the hole axial direction is parallel to the ventilation section 1, the left ends of the first air plug 29a and the second air plug 29b are respectively screwed with the first air plug hole 28a and the second air plug hole 28b through external threads, and the right ends of the first air plug hole and the second air plug hole are respectively tightly plugged in the first inflation hose and the second inflation hose.
Specifically, the outer wall of the circular ring surface at the right end of the ventilation section 1 is provided with four extension end surfaces, a first extension end surface 19a, a second extension end surface 19b, a third extension end surface 19c and a fourth extension end surface 19d, and a first clamp 16a, a second clamp 16b, a third clamp 16c and a fourth clamp 16d are fixed on the corresponding end surfaces through bolts.
Specifically, the moving magnetic semicircular ring 13 and the static magnetic semicircular ring 14 are both semicircular rings and are wrapped on the outer wall of the airflow channel 12, the moving magnetic semicircular ring 13 is made of magnetic materials, and the static magnetic semicircular ring 14 can change the magnetic pole direction thereof through current; the moving magnetic semicircular ring 13 and the static magnetic semicircular ring 14 are respectively provided with six cylindrical grooves, the number of the grooves is three, and springs in the grooves are connected with the moving magnetic semicircular ring 13 and the static magnetic semicircular ring 14; the static magnetic semi-circle 14 is fixed in the third chamber 2a, and the moving magnetic semi-circle 13 can move by the spring, thereby adjusting the relative position between the moving magnetic semi-circle and the static magnetic semi-circle.
Specifically, the air flow in the device flows according to I, II and III in sequence.
The working principle is as follows: when the air-out cover connector is used, the end face of the air-out cover outlet is aligned with the right end face of the air flow channel 12, the magnetic pole direction of the static magnetic semicircular ring 14 is changed through current, the dynamic magnetic semicircular ring 13 and the static magnetic semicircular ring 14 are mutually attracted to compress the two end faces, the handle 211 is pressed downwards, the push rod 21 pushes the sealing ring 23 downwards to move, air in the third chamber 2a is compressed, the valve clack 251 is opened, the air enters the first inflation hose and the second inflation hose through the first air plug hole 28a and the second air plug hole 28b and then enters the sealing air ring 15, the sealing air ring 15 is bulged to extrude the second annular chamber 18 to prevent gas leakage, the test is finished, the air release valve 27 is opened, the sealing air ring 15 is released, the current changes the direction, the dynamic and static rings repel each other, and the air-out cover is removed.
For a bellows interface, the circular disc 31 is aligned with the right end face of the air flow channel 12, four clamps: the first clamp 16a, the second clamp 16b, the third clamp 16c and the fourth clamp 16d clamp the circular disc 31, the compressed circular ring rubber ring 32 plays a sealing role, and the corrugated pipe 33 at the right end of the corrugated pipe flange 3 and the integrated stove outlet corrugated pipe 33 are fixed by a clamp 34.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an air capability test is multi-functional sealed interface arrangement for test bench which characterized in that: the device comprises a ventilation section (1) and a control valve section (2) arranged on the ventilation section (1), wherein the air outlet end of the ventilation section (1) is connected with an air duct in an air performance testing device, and the air inlet end of the control valve section (2) is provided with a corrugated pipe connecting disc (3);
an airflow channel (12) is formed in the ventilation section (1), an annular chamber communicated with the airflow channel (12) is arranged at the air inlet end of the ventilation section (1), the annular chamber is divided into a first annular chamber (17) and a second annular chamber (18), a static magnetic semi-circle is arranged in the first annular chamber (17), and a sealing air ring (15) is arranged in the second annular chamber (18);
the control valve section (2) comprises a control valve shell communicated with the air flow channel (12), a thrust assembly is arranged in the control valve shell, the interior of the control valve shell is separated from the air flow channel (12) into a third cavity (2 a) and a fourth cavity (2 b) which can be communicated, and the fourth cavity (2 b) is communicated with the sealing air ring (15) through an inflating hose;
the dynamic and static magnetic semicircular rings comprise a dynamic magnetic semicircular ring (13) and a static magnetic semicircular ring (14) which are concentrically arranged, the dynamic magnetic semicircular ring (13) is connected with the static magnetic semicircular ring (14) through a group of springs, the static magnetic semicircular ring (14) is connected with an external circuit, and the magnetism of the static magnetic semicircular ring (14) can be changed by adjusting the current of the external circuit.
2. The multifunctional sealing interface device for the air performance test bench according to claim 1, wherein a flange (11) is provided at an air outlet end of the ventilation section (1), and the ventilation section (1) is connected with an air duct in the air performance test device through the flange (11).
3. The multifunctional sealing interface device for the air performance test bench according to claim 1, wherein the control valve section (2) further comprises a valve cover (22) disposed at the head of the control valve housing, the thrust assembly comprises a push rod (21) and a sealing ring (23), the push rod (21) comprises a threaded rod (212), the lower end of the threaded rod (212) is inserted into the control valve housing, the sealing ring (23) is mounted at the end of the lower end, a sealing ring (213) is sleeved outside the sealing ring (23), the upper end of the push rod (21) passes through the control valve housing and the valve cover (22), and the handle (211) is mounted at the end of the upper end.
4. The multifunctional sealing interface device for the air performance test bench according to claim 3, wherein a check valve (25) is arranged between the third chamber (2 a) and the fourth chamber (2 b), a gas release valve hole (26) is arranged on the inner side wall of the fourth chamber (2 b), the axial direction of the gas release valve hole (26) is parallel to the axial direction of the air flow channel (12), and a gas release valve (27) is arranged at the gas release valve hole (26).
5. The multifunctional sealing interface device for the air performance test bench according to claim 3, wherein a first air plug hole (28 a) and a second air plug hole (28 b) are formed in the side wall of the fourth chamber (2 b), a first air plug (29 a), a second air plug (29 b), an outer end of the first air plug (29 a), an outer end of the second air plug (29 b) are tightly plugged in an inflation hose, the other end of the inflation hose is communicated with a sealing air ring (15), and the sealing air ring (15) is a circular ring-shaped air ring.
6. The multifunctional sealing interface device for the air performance test bed according to claim 3, wherein the axial lines of the set of the ventilation sections (1) and the control valve housing are perpendicular to each other, and the ventilation sections and the control valve housing are in an inverted T shape.
7. The multifunctional sealing interface device for the air performance test bench according to claim 1, wherein the bellows flange (3) comprises a circular disc (31), a circular ring rubber ring (32) and a bellows (33), the circular disc (31) is mounted on one side of the ventilation section (1) through a set of clamps (16), a stepped structure groove is formed in the outer side of the circular disc (31), the circular ring rubber ring (32) is sleeved in the stepped structure groove, and one end of the bellows (33) penetrates through the middle of the circular disc (31).
8. The multifunctional sealing interface device for the air performance test bench according to claim 7, wherein a set of extending end faces are arranged on the outer wall of the air inlet end of the ventilation section (1), and a set of clamps (16) are arranged on the corresponding extending end faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316198.4A CN113074906B (en) | 2021-03-24 | 2021-03-24 | Multifunctional sealing interface device for air performance test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316198.4A CN113074906B (en) | 2021-03-24 | 2021-03-24 | Multifunctional sealing interface device for air performance test bench |
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| Publication Number | Publication Date |
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| CN113074906A CN113074906A (en) | 2021-07-06 |
| CN113074906B true CN113074906B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110316198.4A Active CN113074906B (en) | 2021-03-24 | 2021-03-24 | Multifunctional sealing interface device for air performance test bench |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114001214A (en) * | 2021-09-15 | 2022-02-01 | 嵊州市浙江工业大学创新研究院 | Electromagnetic tightening device for pneumatic performance test and tightening method thereof |
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| CN212029174U (en) * | 2020-04-29 | 2020-11-27 | 浙江同济科技职业学院 | Device for preventing leakage by sealing water pipe |
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|---|---|---|---|---|
| KR20100121753A (en) * | 2009-05-11 | 2010-11-19 | 우성전기공업 주식회사 | Electromagnet water supply valve |
| CN203757001U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Air-charging sealing ring assembly |
| CN105697790A (en) * | 2015-12-09 | 2016-06-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | Air inflation axial sealing device used in vacuum environment |
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