CN203743570U - Motor gas switching valve - Google Patents
Motor gas switching valve Download PDFInfo
- Publication number
- CN203743570U CN203743570U CN201320890202.9U CN201320890202U CN203743570U CN 203743570 U CN203743570 U CN 203743570U CN 201320890202 U CN201320890202 U CN 201320890202U CN 203743570 U CN203743570 U CN 203743570U
- Authority
- CN
- China
- Prior art keywords
- motor
- valve
- valve body
- upper cover
- quiet spool
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a motor gas switching valve comprising a motor (3) and a valve body. A moving spool (2) and a fixed spool (1) are arranged in the valve body. The fixed spool (1) is fixed in the valve body. The moving spool (2) is movably disposed in the valve body and is fixedly connected with an output shaft of the motor (3). Each of the moving spool (2) and the fixed spool (1) is provided with a passage or through hole therein. The valve body is provided with an intake passage (5.2) and an exhaust passage. The passage or through hole of the fixed spool (1) is communicated with the intake passage (5.2). The motor (3) drives the moving spool (2) to rotate in relation to the fixed spool (1) so that the passage or through hole of the fixed spool (1) is communicated or not communicated with the exhaust passage to open or close the valve body correspondingly. The motor gas switching valve is applicable to application places requiring no frequent switching but only on and off operating states; the motor gas switching valve is simpler in structure and lower in cost.
Description
Technical field
The utility model relates to a kind of switching valve, is specifically related to a kind of motor gas switching valve.
Background technique
Existing ventilation valve body, mostly is solenoid valve, adapts to the high occasion of switching frequency.The general dependence of this kind valve body passes into gas pressure and realize reset together with spring reset power.If valve body does not switch for a long time, the lubricant oil of the inside solidifies, and can strengthen friction.In this case, pass into gas pressure hour, frictional force is larger, causes reposition force inadequate, easily occurs the situation that valve body is failure to actuate.In prior art, also have the valve body that does not need to use lubricant oil, as ceramic switching valve, but ceramic switching valve is because complex structure, cost are high, is difficult to apply.
Model utility content
Technical problem to be solved in the utility model is, a kind of motor gas switching valve is provided, and this motor gas switching valve is particularly useful for the workplace that does not require frequent switching, only has two kinds of working staties of Push And Release, and structure is simpler, cost is lower.
Technical solution of the present utility model is, a kind of motor gas switching valve with following structure is provided, comprise motor and valve body, in described valve body, be provided with movable valve plug and quiet spool, described quiet spool is fixed in valve body, described movable valve plug is actively installed in valve body and is fixedly connected with the output shaft of motor, in described movable valve plug and quiet spool, be respectively equipped with passage or through hole, described valve body is provided with gas-entered passageway and outlet passageway, the passage of quiet spool or through hole are communicated with gas-entered passageway, the relatively quiet valve core rotation of described driven by motor movable valve plug makes the passage of quiet spool or through hole be communicated with outlet passageway or seal with the corresponding valve body that opens or closes.
Compared with prior art, motor gas switching valve of the present utility model has the following advantages: rotated and be communicated with or close (cut-out) gas channel and realize these two kinds of working staties of opening and closing valve body by driven by motor movable valve plug, structure is simpler, and cost is lower.Can remain static for a long time, not require switching, due to the problem that the resistance that does not exist lubricant oil to solidify to bring increases, after not using for a long time, carry out again not affecting when state switches performance of handoffs.
In one embodiment, described valve body comprises valve upper cover, valve body mesochite and valve body lower cover, described valve upper cover and valve body lower cover are arranged on respectively the two ends of valve body mesochite, described quiet spool is located in valve body mesochite and between valve upper cover and movable valve plug, and described movable valve plug is located in valve body mesochite and between quiet spool and valve body lower cover.Valve upper cover, valve body mesochite and valve body lower cover form the housing of sealing.When valve body is opened venting, the gas channel of formation, ensures that venting is unobstructed point-blank.When movable valve plug rotates sealing or cuts off the gas channel between quiet spool and outlet passageway, can ensure sealing.
In a preferred embodiment, between described valve upper cover and quiet spool, be provided with resilient resistance element so that the surface of contact laminating of quiet spool and movable valve plug.While ensureing quiet spool and the laminating of movable valve plug surface, seal is bright good.
In a preferred embodiment, the circumference of described valve upper cover is provided with at least two spline gussets, and on described quiet spool, on the circumference of a side of spline gusset, correspondence is provided with draw-in groove, and described spline gusset coordinates with draw-in groove.By draw-in groove and spline gusset coordinate to ensure that movable valve plug rotates time, quiet spool can not rotate thereupon.
In a preferred embodiment, described valve upper cover is provided with pressure port away from the face of quiet spool, is provided with transmits the pressure transducer of signal with the switching of control motor at described pressure port place.By the pressure in pressure transducer detected pressures hole, pressure signal is sent to control mechanism by pressure transducer, and control mechanism sends a signal to motor and rotates when the certain pressure to control motor.Thereby realize the switching of control valve body in the time that pressure reaches certain value.
In one embodiment, between described pressure transducer and valve upper cover, be provided with sealing gasket, on the face of described pressure transducer away from valve upper cover, be connected with sensor fixation plate, described sensor fixation plate is fixedly connected with valve upper cover.Sensor fixation plate is connected to pressure transducer on valve upper cover, sealing gasket plays seal action to the output shaft of motor, do not affect the rotation of output shaft, avoid forming narrow slit between output shaft and sensor fixation plate, while causing air-flow to cross narrow slit, produce noise simultaneously.Simple in structure, good airproof performance.
In a preferred embodiment, cover and be provided with engagement structure under described valve body, on the handle of described motor, be welded with limited post, described engagement structure coordinates rotation angle taking limiting motor as 180 ° with limited post.Thereby limiting motor rotates 180 ° of limiting valve bodies only has opening and closing two states.
In a preferred embodiment, the housing of described motor is fixedly connected with motor fixing plate, and the output shaft of described motor is tightly connected by motor shaft seal ring and motor fixing plate, and described motor fixing plate is flexibly connected with valve body lower cover.Motor shaft seal ring plays the effect of the output shaft of sealed electric-motor fixed plate and motor.
In one embodiment, described gas-entered passageway is located in valve upper cover, and the diameter of bore of described gas-entered passageway is 18～20mm.The diameter of bore of gas-entered passageway is larger, adapts to the occasion of large flow gas.
Brief description of the drawings
It shown in Fig. 1, is a kind of embodiment's of motor gas switching valve of the present utility model fractionation structural representation.
It shown in Fig. 2, is the sectional structure schematic diagram after assembling in Fig. 1.
Shown in figure: 1, quiet spool, 1.1, draw-in groove, 2, movable valve plug, 3, motor, 4, valve body mesochite, 5, valve upper cover, 5.1, spline gusset, 5.2, gas-entered passageway, 5.3, pressure port, 6, valve body lower cover, 7, pressure transducer, 8, sealing gasket, 9, sensor fixation plate, 10, resilient resistance element, 11, motor fixing plate, 12, motor shaft seal ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Be a kind of specific embodiment of the motor gas switching valve of model utility as depicted in figs. 1 and 2.Wherein, Fig. 1 is the fractionation structural representation of this motor gas switching valve.Fig. 2 is the sectional view after this motor gas switching valve assembling.In this embodiment, this motor gas switching valve, comprise motor 3 and valve body, in described valve body, be provided with movable valve plug 2 and quiet spool 1, described quiet spool 1 is fixed in valve body, described movable valve plug 2 is actively installed in valve body and is fixedly connected with the output shaft of motor 3, in described movable valve plug 2 and quiet spool 1, be respectively equipped with passage or through hole, described valve body is provided with gas-entered passageway 5.2 and outlet passageway, the through hole of quiet spool 1 is communicated with gas-entered passageway 5.2, described motor 3 drives movable valve plug 2 to rotate the through hole of quiet spool 1 is communicated with outlet passageway with the corresponding valve body that opens or closes relative to quiet spool 1, thereby described motor 3 drives movable valve plug 2 to rotate the through hole and outlet passageway sealing or the partition valve body that make quiet spool 1 relative to quiet spool 1.
As shown in Figure 2, described valve body valve upper cover 5, valve body mesochite 4 and valve body lower cover 6, described valve upper cover 5 and valve body lower cover 6 are arranged on respectively the two ends of valve body mesochite 4, the outer circumferential face of valve body mesochite 4 is provided with the projection with through hole, the outer circumferential face of described valve upper cover 5 and valve body lower cover 6 is the corresponding projection being provided with through hole also, and the projection of described valve upper cover 5 and valve body lower cover 6 is fixedly connected with the projection of valve body mesochite 4 from two ends through fastening piece respectively.The outer circumferential face of described quiet spool 1 is provided with seal ring, quiet spool 1 sealing is located in valve body mesochite 4 and is positioned at the right side of valve upper cover 5, the outer circumferential face of described movable valve plug 2 is provided with Sealing, and movable valve plug 2 sealings are located in valve body mesochite 4 and between quiet spool 1 and valve body lower cover 6.
As shown in Figure 1, in the present embodiment, be provided with resilient resistance element 10 so that quiet spool 1 is fitted with the surface of contact of movable valve plug 2 between described valve upper cover 5 and quiet spool 1, resilient resistance element 10 adopts spring.
In a preferred embodiment, the circumference of described valve upper cover 5 is provided with two spline gussets 5.1, and on described quiet spool 1, on the circumference of a side of spline gusset 5.1, correspondence is provided with draw-in groove 1.1, and described spline gusset 5.1 coordinates with draw-in groove 1.1.The quantity of described spline gusset 5.1 can be also more than two, as being provided with three or four spline gussets 5.1 along the even circumferential of valve upper cover 5.
As shown in Figure 2, described valve upper cover 5 is provided with pressure port 5.3 away from the left surface of quiet spool 1, at described pressure port, 5.3 places are provided with sealing gasket 8, and pressure transducer 7 is installed on sealing gasket 8, are provided with the sensor fixation plate 9 for being connected with valve upper cover 5 on pressure transducer 7.Pressure transducer 7 detects the pressure signal in valve upper cover 5, and sends pressure signal to control mechanism, and control mechanism transmitted signal is controlled the action of motor 3.Sealing gasket 8 plays seal action to the output shaft of motor 3, does not affect the rotation of output shaft simultaneously, avoids forming narrow slit between output shaft and sensor fixation plate 9, produces noise while causing air-flow to cross narrow slit.
In the present embodiment, as shown in Figure 1, the middle part of described valve body lower cover 6 is provided with engagement structure, on the handle of described motor 3, is welded with limited post, and described engagement structure coordinates rotation angle taking limiting motor 3 as 180 ° with limited post.Motor 3 drives movable valve plug 2 to rotate 180 °, completes once from being opened to and closes or from being closed to the process of opening.Thereby make the valve body can only be in opening and closing this two states.
In a preferred embodiment, the housing of described motor 3 is fixedly connected with motor fixing plate 11, and the output shaft of described motor 3 is tightly connected by motor shaft seal ring 12 and motor fixing plate 11, and described motor fixing plate 11 is flexibly connected with valve body lower cover 6.
As shown in Figure 2, described gas-entered passageway 5.2 is located in valve upper cover 5, and the diameter of bore of described gas-entered passageway 5.2 is 18～20mm.The diameter of bore of gas-entered passageway 5.2 is larger, is suitable for the occasion of larger ventilation.
Although in conjunction with specific embodiments the utility model is described, but is appreciated that in the situation that not departing from scope of the present utility model, can carry out various improvement or replacement to it.Especially, only otherwise have structural conflict, the feature in each embodiment all can mutually combine, and the combined type feature forming still belongs in scope of the present utility model.The utility model is not limited to disclosed specific embodiment in literary composition, but comprises all technological schemes in the scope that falls into claim.
Claims (9)
1. a motor gas switching valve, it is characterized in that, comprise motor (3) and valve body, in described valve body, be provided with movable valve plug (2) and quiet spool (1), described quiet spool (1) is fixed in valve body, described movable valve plug (2) is actively installed in valve body and is fixedly connected with the output shaft of motor (3), in described movable valve plug (2) and quiet spool (1), be respectively equipped with passage or through hole, described valve body is provided with gas-entered passageway (5.2) and outlet passageway, the passage of quiet spool (1) or through hole are communicated with gas-entered passageway (5.2), described motor (3) drives movable valve plug (2) to rotate and make the passage of quiet spool (1) or through hole be communicated with outlet passageway or seal with the corresponding valve body that opens or closes relative to quiet spool (1).
2. motor gas switching valve according to claim 1, it is characterized in that, described valve body comprises valve upper cover (5), valve body mesochite (4) and valve body lower cover (6), described valve upper cover (5) and valve body lower cover (6) are arranged on respectively the two ends of valve body mesochite (4), described quiet spool (1) is located in valve body mesochite (4) and is positioned between valve upper cover (5) and movable valve plug (2), and described movable valve plug (2) is located in valve body mesochite (4) and is positioned between quiet spool (1) and valve body lower cover (6).
3. motor gas switching valve according to claim 2, is characterized in that, is provided with resilient resistance element (10) so that quiet spool (1) is fitted with the surface of contact of movable valve plug (2) between described valve upper cover (5) and quiet spool (1).
4. according to the motor gas switching valve described in claim 2 or 3, it is characterized in that, the circumference of described valve upper cover (5) is provided with at least two spline gussets (5.1), on the circumference of the upper side towards spline gusset (5.1) of described quiet spool (1), correspondence is provided with draw-in groove (1.1), and described spline gusset (5.1) coordinates with draw-in groove (1.1).
5. according to the motor gas switching valve described in claim 2 or 3, it is characterized in that, described valve upper cover (5) is provided with pressure port (5.3) away from the face of quiet spool (1), locates to be provided with the pressure transducer (7) of transmission signal with the switching of control motor (3) at described pressure port (5.3).
6. motor gas switching valve according to claim 5, it is characterized in that, between described pressure transducer (7) and valve upper cover (5), be provided with sealing gasket (8), on the face of described pressure transducer (7) away from valve upper cover (5), be connected with sensor fixation plate (9), described sensor fixation plate (9) is fixedly connected with valve upper cover (5).
7. motor gas switching valve according to claim 2, it is characterized in that, described valve body lower cover (6) is provided with engagement structure, on the handle of described motor (3), is welded with limited post, and described engagement structure coordinates rotation angle taking limiting motor (3) as 180 ° with limited post.
8. according to the motor gas switching valve described in claim 2 or 7, it is characterized in that, the housing of described motor (3) is fixedly connected with motor fixing plate (11), the output shaft of described motor (3) is tightly connected by motor shaft seal ring (12) and motor fixing plate (11), and described motor fixing plate (11) is flexibly connected with valve body lower cover (6).
9. motor gas switching valve according to claim 2, is characterized in that, described gas-entered passageway (5.2) is located in valve upper cover (5), and the diameter of bore of described gas-entered passageway (5.2) is 18～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890202.9U CN203743570U (en) | 2013-12-31 | 2013-12-31 | Motor gas switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890202.9U CN203743570U (en) | 2013-12-31 | 2013-12-31 | Motor gas switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743570U true CN203743570U (en) | 2014-07-30 |
Family
ID=51343371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890202.9U Expired - Lifetime CN203743570U (en) | 2013-12-31 | 2013-12-31 | Motor gas switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344142A (en) * | 2018-01-23 | 2018-07-31 | 浙江上风高科专风实业有限公司 | A kind of sector structure shock-wave resistant air vent valve |
| CN109899561A (en) * | 2019-04-08 | 2019-06-18 | 南京纳摩尔仪器有限公司 | A kind of multi-pass selector valve of ceramic substrate |
| CN115949764A (en) * | 2023-03-15 | 2023-04-11 | 深圳垦拓流体控制有限公司 | Constant flow rate micro precise quantifying device |
-
2013
- 2013-12-31 CN CN201320890202.9U patent/CN203743570U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344142A (en) * | 2018-01-23 | 2018-07-31 | 浙江上风高科专风实业有限公司 | A kind of sector structure shock-wave resistant air vent valve |
| CN109899561A (en) * | 2019-04-08 | 2019-06-18 | 南京纳摩尔仪器有限公司 | A kind of multi-pass selector valve of ceramic substrate |
| CN115949764A (en) * | 2023-03-15 | 2023-04-11 | 深圳垦拓流体控制有限公司 | Constant flow rate micro precise quantifying device |
| US11953119B2 (en) | 2023-03-15 | 2024-04-09 | Shenzhen Keyto Fluid Technology Co., Ltd | Micro-metering device with constant flow rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171220 Address after: 102600 Beijing city Daxing District Zhongguancun science and Technology Park Daxing bio pharmaceutical industry base, No. 21 courtyard, Tianrong street, building No. 1 Patentee after: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. twelve, district 31, building (Park) Patentee before: BEIJING CENTURY EAST CHINA RAILWAY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee after: Beijing Century Oriental Zhihui Technology Co.,Ltd. Address before: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee before: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |