CN219655394U - Magnetic coupling four-way reversing valve with noise reduction function - Google Patents
Magnetic coupling four-way reversing valve with noise reduction function Download PDFInfo
- Publication number
- CN219655394U CN219655394U CN202223382293.3U CN202223382293U CN219655394U CN 219655394 U CN219655394 U CN 219655394U CN 202223382293 U CN202223382293 U CN 202223382293U CN 219655394 U CN219655394 U CN 219655394U
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- magnetic ring
- motor
- driving wheel
- magnetic
- isolation sleeve
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- 230000009467 reduction Effects 0.000 title claims abstract description 24
- 230000008878 coupling Effects 0.000 title claims abstract description 14
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000032369 Primary transmission Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Retarders (AREA)
Abstract
The utility model discloses a magnetic coupling four-way reversing valve with a noise reduction function, which comprises a valve body assembly, a motor shell, a speed reducing mechanism, a rotary valve disc device, an inner driving wheel and an outer driving wheel, wherein an input part of the speed reducing mechanism is connected with the inner driving wheel, an output part of the speed reducing mechanism is connected with the rotary valve disc device, and the motor is fixed in the motor shell, and is characterized in that: the valve body assembly comprises an outer shell, an upper gland, a magnetic ring isolation sleeve and a valve seat assembly, wherein the upper gland is fixed on the upper end face of the outer shell, the outer driving wheel is fixed on an output shaft of the motor, the outer driving wheel is coaxially arranged in the magnetic ring isolation sleeve, and the position of the inner driving wheel for generating a magnetic field corresponds to the position of the outer driving wheel for generating the magnetic field; the speed ratio of the speed reducing mechanism is more than 300. The magnetic coupling four-way reversing valve disclosed by the utility model has the advantages of low noise, small driving torque and the like.
Description
Technical Field
The utility model relates to a four-way reversing valve, in particular to a magnetic coupling four-way reversing valve with a noise reduction function.
Background
At present, the direct-acting four-way reversing valve is characterized in that the direct-current motor drives the outer driving wheel through a gear transmission structure under the electrifying condition, and the inner driving wheel and the outer driving wheel synchronously rotate in a magnetic coupling linkage mode, so that the planetary reduction mechanism is further driven to rotate, but the transmission noise is increased through the outer gear transmission structure, and the life quality of people is further reduced.
Meanwhile, the transmission mode needs to consume quite large motor torque, the motor torque is increased, corresponding current is needed to be consumed, the current is large, and the power of the whole air conditioner control panel is needed to be increased.
Disclosure of Invention
The utility model aims to provide a magnetic coupling four-way reversing valve with a noise reduction function.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a magnetic coupling four-way reversing valve with function of making an uproar is fallen, includes valve body subassembly, motor casing, reduction gears, rotatory valve disc device, interior drive wheel, outer drive wheel, and reduction gears's input is connected with interior drive wheel, and reduction gears's output is connected with rotatory valve disc device, and the motor is fixed in the motor casing, and reduction gears is the planetary reducer, and the motor is direct current motor.
The valve body assembly comprises an outer shell, an upper gland, a magnetic ring isolation sleeve and a valve seat assembly, wherein the upper gland is fixed on the upper end face of the outer shell, the valve seat assembly is fixed on the lower end face of the outer shell, and the magnetic ring isolation sleeve is fixed in the upper gland.
The outer driving wheel is fixed on an output shaft of the motor, the outer driving wheel is coaxially arranged in the magnetic ring isolation sleeve, and the position of the magnetic field generated by the inner driving wheel corresponds to the position of the magnetic field generated by the outer driving wheel, so that the inner driving wheel can synchronously rotate along with the outer driving wheel in a magnetic linkage mode under the action of the motor.
Wherein, the motor casing is fixed in the top of valve body subassembly.
The speed ratio of the speed reducing mechanism is more than 300, and the larger the speed ratio is, the smaller the torque required to be consumed by the motor is, and the smaller the current is; meanwhile, the larger the speed ratio is, the lower the rotating speed is facilitated; the rotating speed is reduced, which is beneficial to noise reduction.
As a preferred implementation mode of the four-way reversing valve provided by the utility model, the first magnetic ring is arranged on the outer driving wheel, the first magnetic ring is in clearance fit and coaxial with the inner hole of the magnetic ring isolation sleeve, so that the first magnetic ring is prevented from being in collision with the inner wall of the magnetic ring isolation sleeve in the motor rotating process, friction is caused, noise is increased due to friction, and motor torque is further consumed.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, the number of the magnetic pole pairs of the first magnetic ring is more than 3; the external leakage magnetic field of the first magnetic ring is more than 500 GS.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, the center of the first magnetic ring is provided with a motor shaft hole matched with the output shaft of the motor, and the motor shaft hole is in interference fit with the output shaft of the motor.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, the inner driving wheel is provided with the second magnetic ring, and the external leakage magnetic field of the second magnetic ring is more than 500 GS.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, the second magnetic ring is in clearance fit with the outer wall of the magnetic ring isolation sleeve and is coaxial with the outer wall of the magnetic ring isolation sleeve; the second magnetic ring is prevented from being contacted with the outer wall of the magnetic ring isolation sleeve in the motor rotation process, friction is caused, noise is increased due to friction, and motor torque is further consumed.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, a driving gear is arranged below the second magnetic ring and is connected with an input part of the speed reducing mechanism.
As a preferable implementation mode of the four-way reversing valve provided by the utility model, the center of the driving gear is provided with a center hole matched with the center shaft.
As a preferred implementation mode of the four-way reversing valve provided by the utility model, the upper gland is provided with the first positioning hole matched with the magnetic ring isolation sleeve, the outer part of the first positioning hole forms a second step circle matched with the inner hole of the outer shell, and the upper part of the first positioning hole is provided with the third positioning hole.
As a preferred implementation mode of the four-way reversing valve provided by the utility model, the lower part of the inner hole of the magnetic ring isolation sleeve is connected with the stress part, the axial section of the stress part is in an isosceles trapezoid shape, and the thickness of the top plane of the stress part is more than 0.5 mm.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, the torque of the motor is reduced through the large speed ratio of the planetary reducer, the torque is reduced, the rotating speed of the motor is further reduced, the output current is reduced, the rotating speed is reduced, the noise is further reduced, and meanwhile, the clearance fit between the outer driving wheel and the inner driving wheel and the magnetic ring isolation sleeve is adopted, so that friction is not generated, and the noise is avoided.
Drawings
The utility model will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of a valve seat assembly according to the present utility model;
FIG. 3 is a schematic view of a rotary valve disc apparatus according to the present utility model;
FIG. 4 is an exploded view of the reduction mechanism of the present utility model;
FIG. 5 is a schematic plan view of a magnetic ring spacer sleeve according to the present utility model;
FIG. 6 is a schematic view of the structure of the inner driving wheel according to the present utility model;
FIG. 7 is a schematic view of the outer driving wheel structure according to the present utility model;
FIG. 8 is a schematic diagram of the upper gland structure of the present utility model;
in the figure, a 1-valve seat assembly, a 101-valve seat, a 102-C pipe, a 103-E pipe, a 104-S pipe and a 105-D pipe;
2-an outer shell;
3-a magnetic ring isolation sleeve, 301-an inner hole of the magnetic ring isolation sleeve and 302-a stress part;
4-an upper gland, 401-a first positioning hole, 402-a second step circle and 403-a third positioning hole;
5-a motor;
6-a motor housing;
7-a speed reducing mechanism, 701-an inner gear ring, 702-a planetary gear disc, 7021-a sun gear, 7022-a gear shaft, 7023-a planet carrier and 703-a planetary gear;
8-rotating valve disc means, 801-driving valve disc, 8011-lower connection, 802-slider;
9-a central axis;
10-an outer driving wheel, 1001-a first magnetic ring and 1002-a motor shaft hole;
11-inner driving wheel, 1101-second magnetic ring, 1102-driving gear, 1103-central hole.
Description of the embodiments
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all the embodiments. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Examples
Referring to fig. 1, specifically referring to fig. 2 to 8, a magnetic coupling four-way reversing valve with noise reduction function includes a valve body assembly, a motor 5, a motor housing 6, a speed reducing mechanism 7, a rotary valve disc device 8, an inner driving wheel 11, and an outer driving wheel 10, wherein an input part of the speed reducing mechanism 7 is connected with the inner driving wheel, an output part of the speed reducing mechanism is connected with the rotary valve disc device, and the motor is fixed in the motor housing.
The valve body assembly comprises an outer shell 2, an upper gland 4, a magnetic ring isolation sleeve 3 and a valve seat assembly 1, wherein the upper gland 4 is fixed on the upper end face of the outer shell 2, the valve seat assembly 1 is fixed on the lower end face of the outer shell 2, and the magnetic ring isolation sleeve 3 is fixed in the upper gland 4; the upper gland 4 is provided with a first positioning hole 401 matched with the magnetic ring isolation sleeve 3, a second step circle 402 matched with the inner hole of the outer shell 2 is formed outside the first positioning hole 401, a third positioning hole 403 is arranged above the first positioning hole 401, and the third positioning hole 403 is used for positioning the height of the motor 5;
the lower part of the inner hole 301 of the magnetic ring isolation sleeve is connected with the stress part 302, the axial section of the stress part 302 is in an isosceles trapezoid shape, the thickness of the top plane of the stress part 302 is more than 0.5mm, and the top of the stress part 302 is ensured not to deform obviously under the pressure of 6.5 MPa.
The outer driving wheel 10 is fixed on the output shaft of the motor 5, the outer driving wheel 10 is coaxially arranged in the magnetic ring isolation sleeve 3, and the position of the magnetic field generated by the inner driving wheel 11 corresponds to the position of the magnetic field generated by the outer driving wheel 10, so that the inner driving wheel 11 can synchronously rotate along with the outer driving wheel 10 in a magnetic linkage mode under the action of the motor 5;
wherein, the motor shell 6 is fixed above the valve body assembly;
to better further illustrate the magnetic coupling: namely an inner driving wheel 11 and an outer driving wheel 10, with particular reference to fig. 6 and 7:
the outer driving wheel 10 is provided with a first magnetic ring 1001, and the first magnetic ring 1001 is in clearance fit with and coaxial with the inner hole 301 of the magnetic ring isolation sleeve, so that friction is not caused by the first magnetic ring 1001 touching the inner wall of the magnetic ring isolation sleeve 3 in the motor rotation process, noise is increased due to friction, and motor torque is further consumed. The number of pole pairs of the first magnetic ring 1001 is 3 or more; the external leakage magnetic field of the first magnetic ring 1001 is more than 500 GS;
wherein, the center of the first magnetic ring 1001 is provided with a motor shaft hole 1002 matched with the output shaft of the motor 5, and the motor shaft hole 1002 is in interference fit with the output shaft of the motor 5;
wherein, the inner driving wheel 11 is provided with a second magnetic ring 1101, and the external leakage magnetic field of the second magnetic ring 1101 is more than 500 GS;
the second magnetic ring 1101 is in clearance fit and coaxial with the outer wall of the magnetic ring isolation sleeve 3; the second magnetic ring 1101 is ensured not to collide with the outer wall of the magnetic ring isolation sleeve 3 in the motor rotation process, friction is caused, noise is increased due to friction, and motor torque is further consumed.
Wherein, a driving gear 1102 is arranged below the second magnetic ring 1101, and the driving gear 1102 is connected with the input part of the speed reducing mechanism 7; the center of the drive gear 1102 is provided with a center hole 1103 that matches the center shaft 9.
One end of the central shaft 9 is arranged in the central blind hole of the valve seat 101, and the other end is fixed on the top plane of the stress part 302 on the magnetic ring isolation sleeve 3. At the same time, the central shaft 9 passes through the inner driving wheel 11, the reduction mechanism 7, and the rotary valve disc device 8 in this order.
To better explain the up-down connection manner of the speed reducing mechanism 7, referring specifically to fig. 4, and referring specifically to fig. 3 and 6, the following is described:
the reduction mechanism 7 is preferably a planetary reduction gear 7 in the present embodiment, mainly because the planetary reduction gear 7 is not only low in manufacturing cost but also operates in a silent operation and has a long life. The motor 5 is a DC motor, but the running noise of the DC motor must not exceed 50 minutes and the rotating speed must not exceed 12000RPM.
In this embodiment, the planetary reducer 7 includes an inner gear ring 701, a planetary gear disc 702, and a planetary gear 703, and in order to further reduce the manufacturing cost of the planetary reducer 7, the sun gear 7021, the gear shaft 7022, and the planet carrier 7023 are integrally formed by injection molding, that is, the planetary gear disc 702. The ring gear 701 is fixed to the inner wall of the outer housing 2.
Primary speed change mechanism: the planetary gear 703 is mounted in a gear shaft on the carrier 7023, and directly below the carrier 7023 is connected to the sun gear 7021.
The inner driving member is an inner driving wheel 11, and a driving gear 1102 on the inner driving wheel 11 is inserted as a primary sun gear into a planetary gear 703 of the primary transmission mechanism.
The output member is a rotary valve disc device 8, and the rotary valve disc device 8 includes a driving valve disc 801, and a slider 802 coaxially mounted with the driving valve disc 801, wherein a lower connecting portion 8011 is provided on the driving valve disc 801, and the lower connecting portion 8011 is also a gear shaft matched with the planetary gear 703. I.e. sun gear 7021 on star gear disc 702 is inserted into planet gears 703 on lower connection 8011 on drive valve disc 801.
In the embodiment, the speed ratio of the planetary reducer 7 is 300, but the speed ratio 300 can be basically controlled to be 45-54 minutes, the reversing time is within 2S, but the required magnetic coupling force is relatively large, and meanwhile, the torque of the consumed motor is somewhat large, so that the existing air conditioner control board is not facilitated; from the viewpoint of cost, an increase in magnetic coupling force requires a considerably large magnetic material or a high-performance magnetic material.
Examples
Different from the embodiment, the speed ratio of the planetary reducer 7 is 800, the noise can be controlled between 42 and 52 minutes, the rotating speed of the motor is required to be 10000RPM, the reversing time is within 2.5S, but the instantaneous current of the motor exceeds 800mA, which is not beneficial to the existing air conditioner control board.
Examples
Different from the first embodiment, the speed ratio of the planetary reducer 7 is 1500, the noise is controlled between 38 and 48 minutes, the required motor speed is 6000 to 7000RPM, the commutation time is within 5 seconds, the motor current is basically below 400mA, the required magnetic coupling force is smaller, and the cost is further reduced.
The speed ratio change in the first embodiment, the second embodiment and the third embodiment is only for better explaining the technical conception and the low operating noise of the four-way reversing valve, but the protection scope of the utility model is not limited by the speed ratio, and equivalent changes or modifications made according to the essence of the utility model are covered in the protection scope of the utility model.
Claims (5)
1. The utility model provides a magnetic coupling cross switching-over valve with function of making an uproar is fallen, includes valve body subassembly, motor (5), motor casing (6), reduction gears (7), rotatory valve disc device (8), interior drive wheel (11), outer drive wheel (10), the input of reduction gears (7) with interior drive wheel (11) are connected, the output of reduction gears (7) with rotatory valve disc device (8) are connected, motor (5) are fixed in motor casing (6), its characterized in that:
the valve body assembly comprises an outer shell (2), an upper gland (4), a magnetic ring isolation sleeve (3) and a valve seat assembly (1), wherein the upper gland (4) is fixed on the upper end face of the outer shell (2), the valve seat assembly (1) is fixed on the lower end face of the outer shell (2), and the magnetic ring isolation sleeve (3) is fixed in the upper gland (4);
the outer driving wheel (10) is fixed on an output shaft of the motor (5), the outer driving wheel (10) is coaxially arranged in the magnetic ring isolation sleeve (3), and the position of the inner driving wheel (11) for generating a magnetic field corresponds to the position of the outer driving wheel (10) for generating the magnetic field;
the motor shell (6) is fixed above the valve body assembly;
the speed ratio of the speed reducing mechanism (7) is more than 300.
2. The magnetically coupled four-way reversing valve with noise reduction function according to claim 1, wherein: the outer driving wheel (10) is provided with a first magnetic ring (1001), the first magnetic ring (1001) is in clearance fit with and coaxial with an inner hole of the magnetic ring isolation sleeve (3), and the number of magnetic pole pairs of the first magnetic ring (1001) is more than 3 pairs; the center of the first magnetic ring (1001) is provided with a motor shaft hole (1002) matched with the output shaft of the motor (5).
3. The magnetically coupled four-way reversing valve with noise reduction function according to claim 1, wherein:
a second magnetic ring (1101) is arranged on the inner driving wheel (11), and the second magnetic ring (1101) is in clearance fit and coaxial with the outer wall of the magnetic ring isolation sleeve (3);
a driving gear (1102) is arranged below the second magnetic ring (1101), and the driving gear (1102) is connected with the input part of the speed reducing mechanism (7);
the center of the driving gear (1102) is provided with a center hole (1103) matched with the center shaft (9).
4. The magnetically coupled four-way reversing valve with noise reduction function according to claim 1, wherein: the upper gland (4) is provided with a first positioning hole (401) matched with the magnetic ring isolation sleeve (3), a second step circle (402) matched with the inner hole of the outer shell (2) is formed outside the first positioning hole (401), and a third positioning hole (403) is formed above the first positioning hole (401).
5. A magnetically coupled four-way reversing valve with noise reduction according to any one of claims 1 to 4, wherein: the lower part of the inner hole of the magnetic ring isolation sleeve (3) is connected with the stress part (302), and the axial section of the stress part (302) is in an isosceles trapezoid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223382293.3U CN219655394U (en) | 2022-12-16 | 2022-12-16 | Magnetic coupling four-way reversing valve with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223382293.3U CN219655394U (en) | 2022-12-16 | 2022-12-16 | Magnetic coupling four-way reversing valve with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655394U true CN219655394U (en) | 2023-09-08 |
Family
ID=87862743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223382293.3U Active CN219655394U (en) | 2022-12-16 | 2022-12-16 | Magnetic coupling four-way reversing valve with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655394U (en) |
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2022
- 2022-12-16 CN CN202223382293.3U patent/CN219655394U/en active Active
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