CN206268577U - A kind of electrical adjustment thimble-type proportioning valve - Google Patents
A kind of electrical adjustment thimble-type proportioning valve Download PDFInfo
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- CN206268577U CN206268577U CN201621338786.9U CN201621338786U CN206268577U CN 206268577 U CN206268577 U CN 206268577U CN 201621338786 U CN201621338786 U CN 201621338786U CN 206268577 U CN206268577 U CN 206268577U
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- motor
- electrical adjustment
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Abstract
The utility model discloses a kind of electrical adjustment thimble-type proportioning valve, including valve body, the valve body includes front valve shell and rear valve body, the front valve shell and rear valve body bolt connection, motor, transmission mechanism and needle are provided with the valve body, the motor connection transmission mechanism, the transmission mechanism is threadedly coupled with needle.The utility model provide a kind of simple structure, it is reasonable in design, be easily manipulated, the electrical adjustment thimble-type proportioning valve of low production cost, long service life.
Description
Technical field
The utility model belongs to valve technology field, and in particular to a kind of electrical adjustment thimble-type proportioning valve, for liquid
Or the flow control of gas.
Background technology
Ejector pin valve is one kind of choke valve, and degree of regulation is higher, and the valve of ejector pin valve is in needle-like, along liquid or gas side
To action, change flow section product, be used to block or adjust flow.
Ejector pin valve is a kind of reset valve, and its valve plug is aciculiform, and reset valve requirement valve port is opened and become larger, from closing to opening
Opening maximum continuously can fine be adjusted, and needle plug can realize this function, and needle plug generally uses the steel by quenching
Minute hand processed, and valve seat is made of soft materials such as tin, copper, needle is to be fitted close to reach by its conical surface with the sealing of valve base chamber
Arrive, the taper of needle has 1:50 and 60 two kinds of cone angles, poppet surface will be by fine gtinding.
Ejector pin valve uses manual modulation valve pin at present, and production cost is high, and service life is short, is transported by before and after screw thread rotation
Dynamic, needle has friction, easy gas leakage with valve body, it is impossible to which the automatic pressure difference with air inlet and outlet changes regulation tolerance.
Utility model content
In view of the shortcomings of the prior art, the utility model provide a kind of simple structure, it is reasonable in design, be easily manipulated, produce
The electrical adjustment thimble-type proportioning valve of low cost, long service life.
To realize utility model purpose, the utility model uses following technical scheme：
A kind of electrical adjustment thimble-type proportioning valve, including valve body, the valve body include front valve shell and rear valve body, the preceding valve
Body and rear valve body bolt connection, are provided with motor, transmission mechanism and needle, the motor connection transmission mechanism, institute in the valve body
Transmission mechanism is stated to be threadedly coupled with needle.
Preferably, the transmission mechanism include little gear and gear wheel, the motor connection little gear, the little gear with
Gear wheel is engaged, and internal thread is provided with the gear wheel, and the needle is provided with external screw thread, and the gear wheel connects with needle screw thread
Connect.
Preferably, the transmission mechanism includes worm gear and worm screw, and the motor connection worm screw, the worm and wheel is nibbled
Close, internal thread is provided with the worm gear, the needle is provided with external screw thread, and the worm gear is threadedly coupled with needle.
Preferably, the motor is hollow-cup motor, and the hollow-cup motor is by miniature planetary reducer and driver
Structure is connected.
Preferably, the front valve shell end is provided with groove, and the groove is embedded with position detection block, the position detection block
It is fixed by screws in the groove of front valve shell.
Preferably, hall detector is provided with the position detection block, the hall detector is corresponding with needle position.
Preferably, with control panel is arranged with, the control panel is provided with CPU, MEMS pressure sensor and temperature to the valve body
Degree sensor, the CPU can adjust uninterrupted, flow is carried out by pressure, temperature detection with the rotating of controlled motor
Compensation, can also be docked by communication with other control system.
Preferably, admission pressure detection mouth and outlet pressure detection mouth are additionally provided with the rear valve body, by tracheae and control
MEMS pressure sensor connection in making sheet.
The beneficial effects of the utility model are：
1. drive tapered needle valve movable by gear train or worm and gear group to change liquid or gas flows through
Sectional area, so as to adjust flow, it is to avoid the friction of needle and cavity, substantially prolongs the service life of valve body；
2. feedback needle position is detected by high-precision Hall, confirm current needle position and sectional area, it is to avoid be numerous
Miscellaneous detection process, can accurately manipulate, and reduce production cost；
3. inlet pressure and gas outlet pressure are detected by MEMS pressure sensor, according to pressure difference, sectional area and flow
Formula, calculate present flow rate and recompense, operational module is external, can be integrated into any control system, very convenient；
4. needle is driven through the hollow-cup motor with miniature planetary reducer again by gear train or worm and gear
Group, by the convert rotational motion of motor moving forward and backward for needle, it is easy to manipulate.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model；
In figure：1st, front valve shell；2nd, rear valve body；3rd, motor；4th, needle；5th, little gear；6th, gear wheel；7th, position detection block；
8th, admission pressure detection mouth；9th, outlet pressure detection mouth.
Specific embodiment
The utility model is further described by specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of electrical adjustment thimble-type proportioning valve, including valve body, the valve body includes front valve shell 1 and rear valve
Body 2, the front valve shell 1 and the bolt connection of rear valve body 2, are provided with motor 3, transmission mechanism and needle 4, the motor in the valve body
3 connection transmission mechanisms, the transmission mechanism is threadedly coupled with needle 4, and the transmission mechanism includes little gear 5 and gear wheel 6, institute
The connection little gear 5 of motor 3 is stated, the little gear 5 is engaged with gear wheel 6, and internal thread, the needle 4 are provided with the gear wheel 6
External screw thread is provided with, the gear wheel 6 is threadedly coupled with needle 4, the motor 3 is hollow-cup motor, the hollow-cup motor leads to
Cross miniature planetary reducer to be connected with transmission mechanism, the end of the front valve shell 1 is provided with groove, the groove is embedded with position detection
Block 7, the position detection block 7 is fixed by screws in the groove of front valve shell 1, and Hall inspection is provided with the position detection block 7
Device is surveyed, the hall detector is corresponding with the position of needle 4, with control panel is arranged with, the control panel is provided with the valve body
CPU, MEMS pressure sensor and temperature sensor, the CPU can adjust uninterrupted with the rotating of controlled motor, pass through
Pressure, temperature detection carry out it is flow-compensated, by communication can also be docked with other control system, on the rear valve body 2
Admission pressure detection mouth 8 and outlet pressure detection mouth 9 are additionally provided with, are connected by the MEMS pressure sensor on tracheae and control panel
Connect.
Embodiment 2
As shown in figure 1, a kind of electrical adjustment thimble-type proportioning valve, including valve body, the valve body includes front valve shell 1 and rear valve
Body 2, the front valve shell 1 and the bolt connection of rear valve body 2, are provided with motor 3, transmission mechanism and needle 4, the motor in the valve body
3 connection transmission mechanisms, the transmission mechanism is threadedly coupled with needle 4, and the transmission mechanism includes worm gear and worm screw, the motor
3 connecting worms, the worm and wheel engagement, are provided with internal thread in the worm gear, the needle 4 is provided with external screw thread, the snail
Wheel is threadedly coupled with needle 4, and the motor 3 is hollow-cup motor, and the hollow-cup motor is by miniature planetary reducer and biography
Motivation structure is connected, and the end of the front valve shell 1 is provided with groove, and the groove is embedded with position detection block 7, the position detection block 7
It is fixed by screws in the groove of front valve shell 1, hall detector, the hall detector is provided with the position detection block 7
Corresponding with the position of needle 4, with control panel is arranged with, the control panel is provided with CPU, MEMS pressure sensor and temperature to the valve body
Degree sensor, the CPU can adjust uninterrupted, flow is carried out by pressure, temperature detection with the rotating of controlled motor
Compensation, can also be docked by communication with other control system, and admission pressure detection mouth 8 is additionally provided with the rear valve body 2
With outlet pressure detection mouth 9, it is connected with the MEMS pressure sensor on control panel by tracheae.
Operation principle：
In the electrical adjustment thimble-type proportioning valve course of work, when traffic requirement becomes big, it is small that motor receives positive rotaring signal drive
Gear is rotated counterclockwise, and the synchronous operating clockwise of gear wheel, the internal thread in gear wheel is fitted close with the external screw thread on needle,
Gear wheel operates drive needle and is moved rearwards by clockwise, and the sectional area between needle and cavity becomes big, and liquid or gas flow increase
Plus；Conversely, when traffic requirement diminishes, motor receives reverse signal and drives little gear to rotate clockwise, and gear wheel is synchronous counterclockwise
Operating, the internal thread in gear wheel is fitted close with the external screw thread on needle, and gear wheel operates drive needle to reach counterclockwise
Dynamic, the sectional area between needle and cavity becomes big, and liquid or gas flow increase.
Specific embodiment of the utility model is the foregoing is only, but architectural feature of the present utility model is not limited to
This, the utility model can be used on similar product, any those skilled in the art in field of the present utility model, institute
The change or modification of work are all covered among the scope of the claims of the present utility model.
Claims (8)
1. a kind of electrical adjustment thimble-type proportioning valve, including valve body, the valve body includes front valve shell and rear valve body, the front valve shell
With rear valve body bolt connection, it is characterised in that：Motor, transmission mechanism and needle are provided with the valve body, the motor connection is passed
Motivation structure, the transmission mechanism is threadedly coupled with needle.
2. electrical adjustment thimble-type proportioning valve as claimed in claim 1, it is characterised in that：The transmission mechanism includes little gear
And gear wheel, the motor connection little gear, the little gear engaged with gear wheel, and internal thread, institute are provided with the gear wheel
State needle and be provided with external screw thread, the gear wheel is threadedly coupled with needle.
3. electrical adjustment thimble-type proportioning valve as claimed in claim 1, it is characterised in that：The transmission mechanism include worm gear and
Worm screw, the motor connection worm screw, the worm and wheel engagement is provided with internal thread in the worm gear, the needle is provided with outer
Screw thread, the worm gear is threadedly coupled with needle.
4. electrical adjustment thimble-type proportioning valve as claimed in claim 1, it is characterised in that：The motor is hollow-cup motor,
The hollow-cup motor is connected by miniature planetary reducer with transmission mechanism.
5. the electrical adjustment thimble-type proportioning valve as described in claims 1 to 3 is any, it is characterised in that：The front valve shell end
Groove is provided with, the groove is embedded with position detection block, and the position detection block is fixed by screws in the groove of front valve shell.
6. electrical adjustment thimble-type proportioning valve as claimed in claim 5, it is characterised in that：It is provided with suddenly in the position detection block
That detector, the hall detector is corresponding with needle position.
7. electrical adjustment thimble-type proportioning valve as claimed in claim 6, it is characterised in that：The valve body is with being arranged with control
Plate, the control panel is provided with CPU, MEMS pressure sensor and temperature sensor, and the CPU can be with the rotating of controlled motor
To adjust uninterrupted, carried out by pressure, temperature detection it is flow-compensated, by communication can also be carried out with other control system
Docking.
8. electrical adjustment thimble-type proportioning valve as claimed in claim 7, it is characterised in that：Air inlet is additionally provided with the rear valve body
Pressure detecting mouthful and outlet pressure detection mouth, are connected by tracheae with the MEMS pressure sensor on control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338786.9U CN206268577U (en) | 2016-12-08 | 2016-12-08 | A kind of electrical adjustment thimble-type proportioning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338786.9U CN206268577U (en) | 2016-12-08 | 2016-12-08 | A kind of electrical adjustment thimble-type proportioning valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268577U true CN206268577U (en) | 2017-06-20 |
Family
ID=59043753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621338786.9U Active CN206268577U (en) | 2016-12-08 | 2016-12-08 | A kind of electrical adjustment thimble-type proportioning valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439188A (en) * | 2016-12-08 | 2017-02-22 | 杭州新箭电子有限公司 | Electronic adjusting ejector pin type proportional valve |
-
2016
- 2016-12-08 CN CN201621338786.9U patent/CN206268577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439188A (en) * | 2016-12-08 | 2017-02-22 | 杭州新箭电子有限公司 | Electronic adjusting ejector pin type proportional valve |
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