CN2872000Y - Electrically-controlled flow adjusting valve - Google Patents
Electrically-controlled flow adjusting valve Download PDFInfo
- Publication number
- CN2872000Y CN2872000Y CN 200520044788 CN200520044788U CN2872000Y CN 2872000 Y CN2872000 Y CN 2872000Y CN 200520044788 CN200520044788 CN 200520044788 CN 200520044788 U CN200520044788 U CN 200520044788U CN 2872000 Y CN2872000 Y CN 2872000Y
- Authority
- CN
- China
- Prior art keywords
- flow
- rate adjustment
- flow control
- axle
- pedestal
- 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
Images
Abstract
The utility model relates to an electric control flow control valve. The utility model is characterized in that a flow inlet joint is arranged at the end of a flow control base by a seal ring; a flow control shaft sleeve, of which an end is connected with the flow inlet joint and the other end is connected with a flow control shaft arranged with a nylon seal ring seat, the seal ring and a stainless steel retainer ring, is arranged inside the flow control base; a flow spacer pin, of which the flat part aligns with a sensitive switch, is fixed to the flow control shaft and the sensitive switch is arranged on the flow control base; a flow control spacer plate, of which the flat face integrates the flat face of the flow control shaft closely, is arranged at the rear of the flow control base; a seal ring is arranged inside the groove of the front end of the flow control shaft while the rear end of the flow control shaft is connected with a connecting fitting thread of a flow control motor; a step motor is fixed at the permanent seat side of the flow control motor and is connected with the flow control shaft by the connecting fitting of the flow control motor. And the utility model has the advantages of control convenience, control precision and low price.
Description
Technical field
The utility model relates to a kind of automatically controlled flow control valve, can be used for belonging to the flow control valve technical field on anesthesia respirator control tidal volume, the control of Anesthesia machine fresh gas flow, the medical argon gas cutter controller.
Background technique
Be used for flow control valve on anesthesia respirator control tidal volume, the control of Anesthesia machine fresh gas flow, the medical argon gas cutter controller at present usually by following two kinds:
1) proportional electromagnetic valve: this product is special in control flow rate designs, and its principle is to come controlling magnetic field by the electric current that changes control coil, controls the size in aperture by magnetic field, thereby reaches the purpose that changes flow.The advantage of this product is that control is convenient, accurate, and response is fast.Shortcoming is too expensive.General import Anesthesia machine all adopts the method to control the flow of tidal volume and live gas.
2) needle type valve: this product is a mechanical device, as shown in Figure 1, it is widely used a kind of Flow valve in the daily life, it is formed by regulating pedestal 18, handle with sleeve 19, adjusting axle 20 and plastics adjusting axle sleeve 21, its principle is the size that the aperture is controlled in the turnover of cone adjusting axle in a fixed hole of control, thereby reach the purpose that changes flow, shortcoming is can not be automatically controlled, and degree of regulation is poor.
Summary of the invention
The purpose of this utility model is that a kind of control of invention is convenient, accurately, cheap automatically controlled flow control valve.
For realizing above purpose, the technical solution of the utility model provides a kind of automatically controlled flow control valve, it is characterized in that, by the Flow-rate adjustment pedestal, the flow air input joint, the Flow-rate adjustment axle sleeve, the Flow-rate adjustment limiting board, the Flow-rate adjustment mounting base, stepper motor, the Flow-rate adjustment axle, the flow position limit pin, sensitive switch is formed, the flow air input joint is located at the end of Flow-rate adjustment pedestal, the Flow-rate adjustment axle sleeve is located in the Flow-rate adjustment pedestal, one end is connected with the flow air input joint, the other end with the sealed nylon ring support is housed, the Flow-rate adjustment axle of seal ring and stainless steel back-up ring is connected, the flow position limit pin is fixed on the Flow-rate adjustment axle, sensitive switch is located on the Flow-rate adjustment pedestal, the planar section of flow position limit pin is aimed at sensitive switch, the Flow-rate adjustment limiting board is located at the afterbody of Flow-rate adjustment pedestal, the plane fits on its plane and the Flow-rate adjustment axle, in the groove of Flow-rate adjustment axle front end, be provided with seal ring, the rear end links to each other with Flow-rate adjustment motor link screw thread, can drive the Flow-rate adjustment axle and do axial motion, stepper motor is fixed on a side of Flow-rate adjustment motor fixing seat, be connected with the Flow-rate adjustment axle by Flow-rate adjustment motor link, Flow-rate adjustment pedestal and Flow-rate adjustment motor fixing seat are located on the Flow-rate adjustment mounting base.
The utility model adopts needle type valve to add a stepper motor and a microswitch, thereby reach the purpose of accurate automatically controlled flow, stepper motor can be accurate automatically controlled, it all is consistent that microswitch energy assurance device uses its zero-bit or repeatability at every turn, because stepper motor can accurately locate and control, and cheap, thus just can the substitute proportion solenoid valve with the step motor control needle type valve, can reduce the price of product so greatly.
The utility model has the advantages that:
1. the distance of whole Flow-rate adjustment is long, can be divided into a lot of pieces to the part of control flow rate, is convenient to demarcate;
2. adopted the mode of two place's seal rings because of this Flow-rate adjustment axle, thereby guaranteed its positive confinement in fitting seat and can adjust its central position automatically, be reduced to the friction between Flow-rate adjustment axle and the Flow-rate adjustment axle sleeve minimum;
3. adopt be axial float at 0.01MM with interior stepper motor, the influence to flow control accuracy can be ignored;
4. contacting between the flow pin on sensitive switch and the Flow-rate adjustment shaft assembly is line and the contacting of face, and guaranteed the reliability and the sensitivity of contacting point;
5. the Flow-rate adjustment axle of control flow rate and Flow-rate adjustment axle sleeve are stainless steel all, thereby have avoided ambient temperature or other factors to the influence of flow control, have improved its validity;
6. control is convenient, accurate, cheap.
Description of drawings
Fig. 1 is former flow control valve structure schematic representation;
Fig. 2 is automatically controlled flow control valve structure schematic representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 2, be automatically controlled flow control valve structure schematic representation, a kind of automatically controlled flow control valve is made up of Flow-rate adjustment pedestal 1, flow air input joint 2, Flow-rate adjustment axle sleeve 4, Flow-rate adjustment limiting board 9, Flow-rate adjustment mounting base 10, stepper motor 11, Flow-rate adjustment axle 15, flow position limit pin 16, sensitive switch 17.
Flow air input joint 2 is loaded onto the end that seal ring 3 is installed in Flow-rate adjustment pedestal 1, Flow-rate adjustment axle sleeve 4 peripheries are coated sealing compound and Flow-rate adjustment pedestal 1 close-fitting, one end is connected with flow air input joint 2, sealed nylon ring support 6 puts seal ring 7 in portion's groove within it, in the Flow-rate adjustment of packing into the together axle 15, flow position limit pin 16 is fixed on close-fitting on the Flow-rate adjustment axle 15, form a Flow-rate adjustment shaft assembly, in the groove of Flow-rate adjustment axle 15 front ends, put seal ring B5, the Flow-rate adjustment of packing into together pedestal 1, sealed nylon ring support 6 heavy influent stream amounts are regulated in pedestal 1 groove, the outside is blocked with stainless steel back-up ring 8 and is not allowed sealed nylon ring support 6 come out, sensitive switch 17 is contained on the Flow-rate adjustment pedestal 1, above flow position limit pin 16 on the Flow-rate adjustment shaft assembly forwarded to, planar section is aimed at sensitive switch 17, on the Flow-rate adjustment limiting board 9 on plane and the Flow-rate adjustment axle 15 plane fit and be contained in the afterbody of Flow-rate adjustment pedestal 1, Flow-rate adjustment motor link 14 links to each other with Flow-rate adjustment axle 15 rear end screw threads, described Flow-rate adjustment axle sleeve 4 and Flow-rate adjustment axle 15 materials are stainless steel, stepper motor 11 is fixed on a side of Flow-rate adjustment motor fixing seat 12, its rotatingshaft is opened a groove, live with 13 tightenings of Flow-rate adjustment motor link 14 usefulness screws, be connected with Flow-rate adjustment axle 15 by Flow-rate adjustment motor link 14, can drive Flow-rate adjustment axle 15 and do axial motion, Flow-rate adjustment pedestal 1 and Flow-rate adjustment motor fixing seat 12 all are installed on the Flow-rate adjustment mounting base 10, insert a solenoid valve before the air inlet, stepper motor 11 and sensitive switch 17 circuits all connect.
During use, oxygen enters from flow air input joint 2, will be if flow position limit pin 16 is pushed down sensitive switch 17 to the signal of a minimum discharge, simultaneously because on the Flow-rate adjustment limiting board 9 on plane and the Flow-rate adjustment axle 15 plane fit, stepper motor 11 can only drive the Flow-rate adjustment shaft assembly beginning augmented flow that axially moves.
Claims (2)
1. automatically controlled flow control valve, it is characterized in that, by Flow-rate adjustment pedestal (1), flow air input joint (2), Flow-rate adjustment axle sleeve (4), Flow-rate adjustment limiting board (9), Flow-rate adjustment mounting base (10), stepper motor (11), Flow-rate adjustment axle (15), flow position limit pin (16), sensitive switch (17) is formed, flow air input joint (2) is located at the end of Flow-rate adjustment pedestal (1), Flow-rate adjustment axle sleeve (4) is located at Flow-rate adjustment pedestal (1) lining by seal ring (3), one end is connected with flow air input joint (2), the other end with sealed nylon ring support (6) is housed, the Flow-rate adjustment axle (15) of seal ring (7) and stainless steel back-up ring (8) is connected, flow position limit pin (16) is fixed on the Flow-rate adjustment axle (15), sensitive switch (17) is located on the Flow-rate adjustment pedestal (1), the planar section of flow position limit pin (16) is aimed at sensitive switch (17), Flow-rate adjustment limiting board (9) is located at the afterbody of Flow-rate adjustment pedestal (1), its plane and Flow-rate adjustment axle (15) are gone up the plane and are fitted, in the groove of Flow-rate adjustment axle (15) front end, be provided with seal ring (5), the rear end links to each other with Flow-rate adjustment motor link (14) screw thread, can drive Flow-rate adjustment axle (15) and make the side that the stepper motor (11) of axial motion is fixed on Flow-rate adjustment motor fixing seat (12), be connected with Flow-rate adjustment axle 15 by Flow-rate adjustment motor link (14), and be connected with sensitive switch (17), Flow-rate adjustment pedestal (1) and Flow-rate adjustment motor fixing seat (12) are located on the Flow-rate adjustment mounting base (10).
2. automatically controlled flow control valve according to claim 1 is characterized in that, described Flow-rate adjustment axle sleeve (4) and Flow-rate adjustment axle (15) material are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044788 CN2872000Y (en) | 2005-09-05 | 2005-09-05 | Electrically-controlled flow adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520044788 CN2872000Y (en) | 2005-09-05 | 2005-09-05 | Electrically-controlled flow adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2872000Y true CN2872000Y (en) | 2007-02-21 |
Family
ID=37740348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520044788 Expired - Lifetime CN2872000Y (en) | 2005-09-05 | 2005-09-05 | Electrically-controlled flow adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2872000Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672107A (en) * | 2013-11-15 | 2014-03-26 | 天津七所高科技有限公司 | Novel electronic control flow valve |
| CN104896116A (en) * | 2015-05-18 | 2015-09-09 | 阮雪红 | Electronic flow valve for controlling oxygen conveyance |
| CN112974405A (en) * | 2021-02-24 | 2021-06-18 | 安徽捷密德智能机械制造有限责任公司 | Integrally formed air knife |
-
2005
- 2005-09-05 CN CN 200520044788 patent/CN2872000Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672107A (en) * | 2013-11-15 | 2014-03-26 | 天津七所高科技有限公司 | Novel electronic control flow valve |
| CN104896116A (en) * | 2015-05-18 | 2015-09-09 | 阮雪红 | Electronic flow valve for controlling oxygen conveyance |
| CN112974405A (en) * | 2021-02-24 | 2021-06-18 | 安徽捷密德智能机械制造有限责任公司 | Integrally formed air knife |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN88103315A (en) | The valve system of Postmix beverage dosing apparatus | |
| CN2872000Y (en) | Electrically-controlled flow adjusting valve | |
| CN1942695A (en) | Needle valve for flow control | |
| CN103055401B (en) | Respirator and proportioning valve | |
| CN202859864U (en) | Electronic control flow regulating valve | |
| CN102011885B (en) | Gas mass flow controller with novel normally open valve | |
| WO2011044754A1 (en) | Throttle valve | |
| CN104847948A (en) | High-precision automatic control pressure reducer | |
| CN2856614Y (en) | Electromagnetic regulation valve for quality flow controller | |
| CN100387884C (en) | Electrically-controlled constant-flow water control valve | |
| CN2610115Y (en) | Pneumatic diaphram metering pump | |
| CN205173573U (en) | Integrated gas proportional valve for kitchen | |
| CN220523394U (en) | Square control valve | |
| CN201588996U (en) | Gas proportion valve | |
| CN201301978Y (en) | Novel two-position three-way normal-opened gas path electromagnetic control valve for automobile | |
| CN203421225U (en) | Gas proportional valve used for kitchen range | |
| TWM603073U (en) | Gas proportional solenoid valve with suspension valve stem | |
| CN2781128Y (en) | Dynamic balanced valve | |
| CN215449995U (en) | Novel gas flow control valve | |
| CN210566560U (en) | Pilot-level proportional electromagnetic valve and valve body | |
| CN218177948U (en) | Multi-stage gas flow regulating control valve | |
| CN216867673U (en) | Pneumatic control valve convenient to assembly | |
| CN216078374U (en) | Proportional valve | |
| CN220268532U (en) | Composite voltage stabilizer with precise filtering and pressure regulating functions | |
| CN219119803U (en) | Dynamic flow electric balance valve with guide rod structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150905 Granted publication date: 20070221 |
|
| EXPY | Termination of patent right or utility model |