CN1330241A - Mechanism for driving rotation valve - Google Patents
Mechanism for driving rotation valve Download PDFInfo
- Publication number
- CN1330241A CN1330241A CN 00118752 CN00118752A CN1330241A CN 1330241 A CN1330241 A CN 1330241A CN 00118752 CN00118752 CN 00118752 CN 00118752 A CN00118752 A CN 00118752A CN 1330241 A CN1330241 A CN 1330241A
- Authority
- CN
- China
- Prior art keywords
- motor
- rotating valve
- mentioned
- magnet
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A mechanism for driving rotary valve features that a speed reducer is used to drive the rotary valve by a needed angle after a motor rotates by many turns. A permanent magnet as drive part is fixed to one end of motor axle. A magnet as driven part is fixed to one end of toothed drive axle at output of speed-reducing gear mechanism. The rotation of said permanent magnet can magnetically drive the magnet to rotate and in turn the speed reducer and rotary valve.
Description
The present invention relates to drive the mechanism of rotating valve, be specifically related to be used to control generally for example rotating valve driving mechanism of the freezing mixture flow direction of air conditioner.
The cooling of air conditioner and heating operation pattern are designed to switch to another kind of operator scheme by switching circulate coolant direction between indoor set and the outdoor unit from a kind of operator scheme, and vice versa.These air conditioners are equipped with the rotating valve that is called " four-way valve ", as the device of the control freezing mixture flow direction.
Japanese unexamined patent bulletin flat 8-152075 of (disclosing) No. and 8-128553 and the flat 3-57571 of the practical bulletin of Japanese unexamined (disclosing) No. disclose a kind of air conditioner, in this air conditioner, with the rotate driving source of valve of motor, make motor revolving shaft rotate many commentaries on classics, and the rotation of motor drive shaft is slowed down with reduction gear, reach constant reduction speed ratio, can fix the corner of rotating valve thus.
Be sent to the reduction gear that is contained in hermetic closed shell and the device of rotating valve as the rotation that is used for to be positioned at the motor drive shaft of enclosure, pair of permanent magnets is configured on the gear transmission shaft end of reduction gear input side and on the motor drive shaft end, make the rotation by the permanent magnet (driver part) of motor driven can be sent on the permanent magnet (being driven parts), the rotation of this permanent magnet (being driven parts) is sent on reduction gear and the rotating valve.
On the end of motor revolving shaft with on the input shaft end that is placed on the reduction gear in the gas tight seal shell, all dispose permanent magnet, make and to transmit rotation with permanent magnet magnetic force, yet in this case, the attraction force of permanent magnet causes the excessive load of motor, as a result, the lost of life of motor.For avoiding this shortcoming, need to adopt the high and complicated thrust bearing of big motor and price.
In addition, conventional equipment often runs into such shortcoming, promptly is installed in place permanent magnet normal iron powder that attracts before assembling of the reduction gear input shaft end in the gas tight seal shell, and this usually causes reduction gear and rotating valve to break down.
These shortcomings have been proved to be to cause the inaccurate reason of rotating valve rotational angle desired location, thereby cause the air conditioner operating characteristics to degenerate.
According to above-mentioned situation the present invention is proposed.
Therefore the purpose of this invention is to provide a kind of mechanism that does not cause the driving rotating valve of motor excessive load.
Another object of the present invention provides a kind of mechanism that drives rotating valve, and available small motor is guaranteed slow-roll stabilization in this mechanism, especially bearing.
A further object of the present invention provides a kind of mechanism that drives rotating valve, can reliably fix the distinctive corner of rotating valve in this mechanism.
Another purpose of the present invention provides a kind of mechanism that drives rotating valve, in this mechanism, can avoid on conventional equipment, running into because the fault that assembly process attracts iron powder to cause.
Some purposes in the relevant purpose of the present invention have been summarized above.These purposes should be understood to only illustrate some features and the applicability in a lot of correlated characteristics of the present invention and the applicability.Use the present invention by different way or change the present invention within the scope of the invention and can also obtain a lot of other favourable results.Therefore with reference to summary of the present invention, detailed description of preferred embodiments and the scope of the present invention determined by claims just can obtain to understand fully other purpose of the present invention in conjunction with the accompanying drawings.
For reaching above-mentioned purpose of the present invention, mainly provide a kind of mechanism that drives rotating valve, in this mechanism: make motor revolving shaft rotate many commentaries on classics, make rotating valve rotate the corner that requires according to the revolution of motor revolving shaft; Because the rotating speed of motor revolving shaft can slow down with reduction gear, so can fix the corner of rotating valve according to constant reduction speed ratio; Wherein, a driver part that the end configuration is done with permanent magnet at motor drive shaft, and be driven parts with what magnet was done in an end configuration of the gearing shaft of reduction gear input side, make the rotation by the permanent magnet (driver part) of motor driven to be sent to magnet, and the rotation of magnet (being driven parts) is sent to reduction gear and rotating valve on the two by magnetic force.
This rotating valve can be used as the valve that control air conditioner freezing mixture flows to.
Figure 1A is a sectional view, and the general structure of air conditioner is shown; Figure 1B is a perspective view, and the fluid flowing path switching valve that is made of the rotating valve that is contained in the air conditioner is shown;
Fig. 2 A, 2B and 2C illustrate driver part and are driven an example of parts; Fig. 2 A is the sectional view along the fluid flowing path switching valve of the A-A line intercepting of Fig. 2 B; Fig. 2 B is the sectional view along the B-B line intercepting of Fig. 2 C; Fig. 2 C is the sectional view along the C-C line intercepting of Fig. 2 A;
Fig. 3 A is the cross-sectional view of fluid flowing path switching valve, the freezing mixture of operating when being in heating mode is shown flows to; Fig. 3 B is its vertical cross-section diagram;
Fig. 4 A is the cross-sectional view of fluid flowing path switching valve, illustrates to operate the freezing mixture flow direction that is in when drying operator scheme; And Fig. 4 B is its vertical cross-section diagram;
Fig. 5 is the vertical cross-section diagram of fluid flowing path switching valve, and what another example was shown is driven parts and driver part;
Fig. 6 is the vertical cross-section diagram of fluid flowing path switching valve, and what an example was shown again is driven parts and driver part.
Describe the mechanism of driving rotating valve of the present invention below in detail, in this embodiment, this mechanism is contained in and is used to control the fluid flowing path switching valve that the air conditioner freezing mixture flows to.
In air conditioner as shown in Figure 1, the entrance and exit of compressor 2 is connected in coolant fluid flow channel switching valve 1 through the first pipeline H1 and the 4th pipeline H4 respectively.
Similarly, coolant fluid flow channel switching valve 1 is connected in indoor heat converter 3 and outdoor heat converter 5 through the second pipeline H2 and the 3rd pipeline H3 respectively.Indoor heat converter 3 is connected with outdoor heat converter 5 usefulness tubule roads 4, and the effect of this pipeline 4 is to reduce coolant pressure.
In the described heating operation pattern as Fig. 1～3, freezing mixture flows back to compressor 2 from compressor 2 again through coolant fluid flow channel switching valve 1, indoor heat converter 3, tubule road 4, outdoor heat converter 5 and coolant fluid flow channel switching valve 1.
In the cooling down operation pattern, as shown in Figure 4, freezing mixture flows out from compressor 2, flows back to compressor 2 again through coolant fluid flow channel switching valve 1, outdoor heat converter 5, tubule 4, indoor heat converter 3 and coolant fluid flow channel switching valve 1.
In this embodiment, for coolant fluid flow channel switching valve 1, the inside of shell 10 is divided into reduction gear installation room 7 and valve installation room 8 with dividing plate 10a, shown in Figure 1B and 2.
The rotating valve 20 that is contained in the valve installation room 8 utilizes the reduction gear 31 that is contained in the reduction gear installation room 7 can come the back rotation constant angles.
As shown in Figure 2, shell 10 is roughly columniform tubular construction.The inside of shell 10 can remain on the gas tight seal state.Therefore, reduction gear installation room 7 and the valve installation room 8 that is separated by dividing plate 10a also remains on the gas tight seal state.
Upper face center at shell 10 partly forms first connection mouth 11.This connection mouth 11 is connected with the end of the first pipeline H1, and the other end of this pipeline is connected in the outlet of compressor 2.
Rotatingshaft 26 whole process that vertically extend through rotating valve 20 cores run through the core of dividing plate 10a, so rotating valve 20 is rotatably supported on the dividing plate 10a.
As illustrated in fig. 1 and 2, rotating valve 20 comprises cup-shaped housing parts 20a and sealing plate 20b, and the former opens wide in its underpart, and the latter is used for the open section of can part 20a.This rotating valve also has the communication chamber 20c that forms therein.
This junction chamber 20c remains under the gas tight seal state.First switching port 21 is formed on the middle body of housing parts 20a, and second switching port 22 and the 3rd switching port 23 are formed on the sealing plate 20b.
The fluid flowing path that first switching port 21 is communicated with second switching port 22 serves as first and switches stream R1, and the fluid flowing path that first switching port 21 is communicated with the 3rd switching port 23 serves as the second switching stream R2.The first pipeline H1 is configured in the inside of first switching port 21.
The drum closure 25 that scribbles fluororesin in its surface or done by fluororesin is contained in the inside of the second and the 3rd switching port 23,24 by O shape ring 24, and outwards protrude the outer end of sealing part.Because this configuration makes Sealing 25 flexibly be pressed against on the surface of dividing plate 10a by O shape ring 24, thereby can prevent the freezing mixture seepage.
Dispose a kind of reduction gear 3, with the rotate driving source of valve 20 of motor M, motor M makes motor revolving shaft 30 rotate many commentaries on classics, and the rotation of this motor drive shaft 30 is sent on the rotatingshaft 26 of rotating valve in this mechanism.
As shown in Figure 2, the input shaft 32 of reduction gear 31 and output shaft 32 ' have the gear series 34 and 34 ' that is made of many gears 33.
The gear series 34 ' engagement of input side gear series 34 and outlet side, thereby speed reduces from the input end to the output terminal gradually, obtains suitable reduction speed ratio at last.Torque by motor M effect is added on the end portion of input shaft 32, and the rotatingshaft 26 of rotating valve 20 coaxially is connected in the end of output shaft 32 ', thereby rotating valve 20 rotates specific corner by above-mentioned reduction speed ratio.
Be sent to the device of reduction gear as the rotation with motor M, the rotatingshaft 30 of motor M has the driver part 6A that does with permanent magnet.The input shaft 32 of reduction gear 31 on one end thereof, have with magnet for example steel part do be driven parts 6B.
Permanent magnet (driver part 6A) is rotated by motor M, is then rotated by its magnetic force facing to this permanent magnet and magnet discontiguous with it (being driven parts 6B).So just, make input side gear series 34 and outlet side gear series 34 ' rotate, thereby make rotating valve 20 rotate the corner that requires around the rotatingshaft 26 that is directly connected in output shaft 32 '.
Permanent magnet (driver part 6A) and motor M are configured in the outside of shell 10, are contained in the recess that forms on shell 10.On the other hand, magnet (driven element 6B) then is contained in the shell 10 of gas tight seal, near the internal surface of the wall that forms this recess, makes it face toward permanent magnet in inner casing 10.
Be added in the sense of rotation of the just changeable rotating valve 20 of current direction on the motor M by switching.Just the runner of changeable coolant fluid when switching sense of rotation, thereby can between heating operation pattern and cooling down operation pattern, carry out operator scheme and switch.
For example, if the last reduction speed ratio of reduction gear 31 is decided to be 1/800, then when making driver part 6A (permanent magnet) change 100 circles, just rotating valve 20 changes 1/8 circle (promptly changeing 45).
When rotating valve when direction is rotated, second switching port 22 and the second pipeline H2 just communicate with each other in shell 10.Equally, when rotating valve 20 when other direction rotates, the 3rd switching port 23 and the 3rd pipeline H3 just communicate with each other.For fixing the corner of rotating valve 20, stopper pin is housed.
In Fig. 2, be contained in driver part (permanent magnet) 6A on the motor revolving shaft 30 and driven element (magnet) 6B that is contained on reduction gear 31 input shafts forms relation toward each other when motor revolving shaft 30 and input shaft 32 are coaxial.That is, the axial end of the axial end of permanent magnet and magnet forms parallel relativeness in non-contacting mode.
As shown in Figure 3, driver part (permanent magnet) 6A that is contained on the motor revolving shaft 30 forms relativeness with the outer surface that is driven parts (magnet) 6B periphery.That is, the outer surface of the internal surface of permanent magnet and magnet is configured to form parallel relativeness in the direction perpendicular to axis.
As shown in Figure 4, the outer surface that parts (magnet) 6B was configured to and was contained in the portion of driving parts (permanent magnet) the 6A periphery on the motor revolving shaft 30 that is driven that is contained on reduction gear 31 input shafts 32 forms relativeness.Be that the internal surface of permanent magnet and the internal surface of magnet form parallel relativeness on perpendicular to the direction of axis.
The following describes the fluid flowing path switching valve 1 in the air conditioner.
(1) heating operation
As shown in Figure 3, make motor revolving shaft 30 rotate the revolution that requires, thereby make rotating valve 20 rotate the corner that requires along a direction, make second switching port 22 be connected in the second pipeline H2, but the 3rd switching port 23 is not attached to the 3rd pipeline H3 according to the reduction speed ratio of reduction gear 31.
Freezing mixture in the compressor 2 flows through compressor 2 successively, the first pipeline H1, first switches runner R1, the second pipeline H2, indoor heat converter 3, tubule 4, outdoor heat converter 5, the 3rd pipeline H3, shell 10 inside, the 4th connection mouth 14, the 4th pipeline H4, flows to compressor 2 then.During circulate coolant, just carry out heating operation.
(2) cool off/dry operation
As shown in Figure 4, making motor revolving shaft 30 rotate the revolution that requires just can make rotating valve 20 turn over the corner of requirement along other direction by the reduction speed ratio of reduction gear 31, make the 3rd switching port 23 be connected in the 3rd pipeline H3, but second switching port 22 is not attached to the second pipeline H2.
Freezing mixture in the compressor 2 flows through compressor 2 successively, the first pipeline H1, second switches stream R2, the 3rd pipeline H3, outdoor heat converter 5, tubule 4, indoor heat converter 3, the second pipeline H2, the inside of shell 10, the 4th connection mouth 14, the 4th pipeline H4, flows back to compressor 2 then.During circulate coolant, just carry out cooling down operation.
According to the present invention, can guarantee stable rotation with small motor, and can not cause the excessive load of big motor; Can correctly set the peculiar corner of rotating valve, and bearing especially.
In addition are these features that magnet is done owing to drive parts, thereby can preventing in conventional equipment assembly process or before adsorb iron powder, can avoid the above-mentioned fault that causes because of the absorption iron powder thus.
Clearly, according to the above description, the present invention has many remodeling and variation.Therefore should be understood that the present invention can implement to be different from concrete described mode.
Claims (2)
1. mechanism that drives rotating valve, in this mechanism: motor revolving shaft will rotate many commentaries on classics, make above-mentioned rotating valve turn to the corner of requirement according to the rotation revolution of said motor rotatingshaft; By utilizing reduction gear that the rotating speed of said motor rotatingshaft is slowed down, can fix the above-mentioned corner of above-mentioned rotating valve according to constant reduction speed ratio, it is characterized in that, the driver part that configuration is done with permanent magnet on an end of said motor axle, and configuration is driven parts with what magnet was done on an end of the driving gearshaft of above-mentioned reduction gear input side, make the rotation of the above-mentioned permanent magnet (driver part) that drives by said motor to be sent to above-mentioned magnet, and the rotation of above-mentioned magnet (being driven parts) not only can be sent to above-mentioned reduction gear but also can be sent to above-mentioned rotating valve by magnetic force.
2. the mechanism of driving rotating valve as claimed in claim 1 is characterized in that, above-mentioned rotating valve is as the valve of freezing mixture stream in the control air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00118752 CN1330241A (en) | 2000-06-26 | 2000-06-26 | Mechanism for driving rotation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00118752 CN1330241A (en) | 2000-06-26 | 2000-06-26 | Mechanism for driving rotation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1330241A true CN1330241A (en) | 2002-01-09 |
Family
ID=4587327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00118752 Pending CN1330241A (en) | 2000-06-26 | 2000-06-26 | Mechanism for driving rotation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1330241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379331B (en) * | 2005-02-28 | 2012-08-22 | 雷勃电气标准齿轮美国分公司 | An apparatus for actuating a valve |
-
2000
- 2000-06-26 CN CN 00118752 patent/CN1330241A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379331B (en) * | 2005-02-28 | 2012-08-22 | 雷勃电气标准齿轮美国分公司 | An apparatus for actuating a valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1510310A (en) | Cooling pump, electric device and personnel computer | |
| US20190226480A1 (en) | Motor-driven roots pump | |
| CN1330241A (en) | Mechanism for driving rotation valve | |
| CN2750078Y (en) | Magnetic pump | |
| KR20010004517A (en) | Concrete mixer | |
| US5483114A (en) | Hysteresis coupling | |
| EP1162416A1 (en) | Mechanism for actuating a rotary valve | |
| CN208203685U (en) | A kind of promotion commutation four-way valve of structure optimization | |
| CN2281440Y (en) | Sealed harmonic speed reducer | |
| CN111853330A (en) | Rotary pneumatic actuator | |
| CN215372895U (en) | Electric air valve device | |
| CN115519975A (en) | Air supplementing method for air inlet box of automobile air conditioner | |
| CN213899982U (en) | Multi-angle bidirectional airflow conversion valve | |
| CN219995528U (en) | Airflow reversing device, fan assembly and air conditioner | |
| JP2000329250A (en) | Drive mechanism for passage switching device for working medium | |
| JPH0415993Y2 (en) | ||
| JP2000081257A (en) | Flow passage switching device for working medium for cooling and heating device | |
| CN219868404U (en) | Air duct switching structure | |
| CN2380758Y (en) | Electric ceramic valve | |
| JPH08152075A (en) | Directional control valve | |
| CN113845214A (en) | Aeration device for aerobic granular sludge treatment | |
| CN216662601U (en) | Aeration device for aerobic granular sludge treatment | |
| CN108361344A (en) | A kind of cam-type axial piston hydraulic motor driving slewing equipment | |
| CN116659076A (en) | Airflow reversing device, fan assembly and air conditioner | |
| CN201117540Y (en) | Sulfur hexafluoride switch dynamic seal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |