CN209213077U - A kind of motor-driven valve - Google Patents
A kind of motor-driven valve Download PDFInfo
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- CN209213077U CN209213077U CN201822123577.8U CN201822123577U CN209213077U CN 209213077 U CN209213077 U CN 209213077U CN 201822123577 U CN201822123577 U CN 201822123577U CN 209213077 U CN209213077 U CN 209213077U
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- valve
- motor
- iron core
- dynamic iron
- magnetic conductive
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Abstract
The utility model provides a kind of motor-driven valve, it includes the magnetic conductive board Electric Actuator cavity separated that gasket is provided with by bottom and the valve cavity flowed through for medium, at least two medium entrances and at least one media outlet are provided on valve cavity, valve seat is provided between each medium entrance and media outlet, a valve head is provided on each valve seat, all valve heads are both secured on valve rod, valve rod passes through magnetic conductive board and is fixed in the dynamic iron core in Electric Actuator cavity, fixed core is coaxially arranged on the axis of dynamic iron core, spring is provided between dynamic iron core and fixed core, dynamic iron core and fixed core are respectively positioned in the electromagnetic coil of its axis winding.Solving the problems, such as motor-driven valve in the prior art, structure is complicated, control sensitivity is low.
Description
Technical field
The utility model relates to motor-driven valve technical field, in particular to a kind of control by on/off is situated between to switch
The motor-driven valve in matter channel.
Background technique
Electric operator and valve are connected becomes motor-driven valve after installation and debugging.Motor-driven valve use electric energy as
Power drives valve to connect electric operator, realizes switch, the adjusting movement of valve.Pipeline medium is carried out to reach
Switch or the purpose adjusted.It is mainly used in automotive thermal tube reason and air-conditioning system.
In the prior art, the commutation of motor-driven valve is usually the energization for the electromagnet being located on different medium channel by control
To adsorb valve body, reaching makes valve body be located at different medium channels, to control the on-off of each medium channel.But there is structure
Complexity, can not achieve moment commutation the problem of, can not achieve moment commutation, reduce motor-driven valve control sensitivity, Wu Faman
The high request of sufficient automation control now.
Utility model content
For the above problem in the prior art, the utility model provides a kind of motor-driven valve, solves in the prior art
Commutation motor-driven valve structure is complicated, can not achieve moment commutation the problem of.
In order to achieve the above object of the invention, the technical solution adopted in the utility model is as follows:
There is provided a kind of motor-driven valve comprising the Electric Actuator cavity separated by the magnetic conductive board that bottom is provided with gasket
With the valve cavity flowed through for medium, at least two medium entrances and at least one media outlet are provided on valve cavity, often
It is provided with valve seat between a medium entrance and media outlet, a valve head is provided on each valve seat, all valve heads are fixed
In on valve rod, valve rod passes through magnetic conductive board and is fixed in the dynamic iron core in Electric Actuator cavity, coaxial on the axis of dynamic iron core
It is provided with fixed core, spring is provided between dynamic iron core and fixed core, dynamic iron core and fixed core are respectively positioned on around the winding of its axis
In electromagnetic coil.
Further, valve head and valve seat are cooperated by conical surface seal, and the both ends of valve seat, which are provided with, to be sealed with valve head
The conical surface of cooperation.Conical surface seal performance is good, is not easy to accumulate impurity, high sealing reliability；Valve seat both ends are provided with the conical surface, can be with
The conical surface of different directions and valve body is selected to cooperate according to the actual use demand of motor-driven valve, to increase the application of this motor-driven valve
Range.
Further, fixed core is fixed on magnetic conductive board, and dynamic iron core is by spring supporting in the top of fixed core.To determine iron
Core is set to the lower section of dynamic iron core, spring is directly crushed on fixed core by the gravity of dynamic iron core itself, no longer
The component for needing in addition to be arranged fixed spring, simplifies the structure of this motor-driven valve.
Further, bolster is provided at the top of dynamic iron core.Bolster, which can be avoided, loses magnetic force quilt in dynamic iron core
Other positions that motor-driven valve is touched after spring pop-up generate noise pollution and damage motor-driven valve.
Further, one end of dynamic iron core towards fixed core is provided with cone boss, and fixed core is towards one end of dynamic iron core
Conical indents corresponding with cone boss are provided with, spring is placed on the bottom surface of conical indents.Between dynamic iron core and fixed core
Contact surface be designed to cone boss and conical indents cooperation form, increase contact area, also increase dynamic iron core with
Adsorption capacity between fixed core, to increase the reliability of motor-driven valve；And after dynamic iron core and fixed core absorption, taper is connect
Contacting surface can prevent its play in the radial direction, ensure that valve head and valve seat contraposition are accurate, to ensure that valve head and valve seat
Leakproofness.
Further, electromagnetic coil is located in Electric Actuator cavity, and Electric Actuator cavity is by magnetic conductive cylinder and magnetic conductive board
It surrounds.Magnetic conductive cylinder positioned at electromagnetic coil both ends is all made of permeability magnetic material with magnetic conductive board and is made, and can integrate magnetic circuit, enhancing
The magnetic force of dynamic iron core and fixed core, to improve the sensitivity and reliability of motor-driven valve.
Further, plug is provided on magnetic conductive cylinder, electromagnetic coil and diodes in parallel are electrically connected on plug later.It inserts
Head is for connecting external control system, to control the power on/off of electromagnetic coil, to control cutting for motor-driven valve interior media channel
It changes；Diode in parallel is used for protection power source.
Further, it is formed integrally formed with several mounting ears on the shell of valve cavity, several mounting ears are symmetrical arranged
In on shell, being provided with mounting hole on mounting ear, becket is embedded in mounting hole.With the integrally formed mounting ear of shell, make
Installation is more firm；Mounting ear is symmetrical arranged, and increases this motor-driven valve by the constraint of installation direction, by answering for this motor-driven valve
Use range；The intensity of mounting hole can be enhanced in the becket being embedded in mounting hole, and the squeeze crack when being packed into connector is avoided to install
Hole.
Lead to the utility model has the following beneficial effects: this motor-driven valve can control multiple media by an electromagnetic coil simultaneously
The commutation in road, simplifies structure；Valve head on multiple medium channels is controlled by the same root valve rod in the same electromagnetic coil,
The closing in previous channel and the opening in the latter channel are to carry out simultaneously, and there is no the hysteresis qualitys of commutation, can be realized moment
Commutation improves the sensitivity of motor-driven valve commutation, can satisfy the requirement of automation control now.
Detailed description of the invention
Fig. 1 is the axonometric drawing of motor-driven valve.
Fig. 2 is the cross-sectional view of motor-driven valve.
Fig. 3 is the explosive view of motor-driven valve.
Wherein, 1, Electric Actuator cavity；2, valve cavity；21, medium entrance；211, first medium import；212,
Second medium import；22, media outlet；23, mounting ear；231, mounting hole；232, becket；3, valve seat；31, the first valve seat；32,
Second valve seat；4, valve head；41, the first valve head；42, the second valve head；5, valve rod；6, dynamic iron core；61, cone boss；7, determine iron
Core；71, conical indents；8, electromagnetic coil；9, magnetic conductive board；91, gasket；10, spring；11, bolster；12, magnetic conductive cylinder；13,
Plug.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.
It is right in case where two medium entrances 21 and a media outlet 22 are set on valve cavity 2 in the present embodiment
The structure and the course of work and principle of this motor-driven valve are illustrated.It should know, in motor-driven valve field, medium entrance and medium
Outlet is a relative concept in some course of work, and this saying also side of being intended merely to is used in present specification
Just the working principle for describing this motor-driven valve is not to limit it to be used as medium entrance or media outlet.
As shown in figures 1 and 3, the motor-driven valve include be provided with by bottom gasket 91 magnetic conductive board 9 sealing separate
Electric Actuator cavity 1 and the valve cavity 2 flowed through for medium.It is triple valve in the present embodiment, on the side of valve cavity 2
Two medium entrances 21 are arranged side by side down, it is second medium import positioned at lower part that superposed, which is first medium import 211,
212；Opposite 180 ° of the other side is provided with a media outlet 22, the position of media outlet in the axial direction with first medium import 21
Setting between first medium import 211 and second medium import 212, to increase aesthetics and improve the integrated of total
Degree.
It is arranged in parallel with a mounting ear 23 between two medium entrances 21, is provided with media outlet 22 is upper parallel
Another mounting ear 23 is provided with mounting hole 231 on mounting ear 23, is embedded with becket 232 in mounting hole 231, to increase installation
The intensity in hole 232.Mounting ear 23 and medium entrance 21 and media outlet 22 are usually formed valve cavity 2 with integrated molding
Shell be formed in mould plastic part.
It is successively stacked with magnetic conductive board 9 and magnetic conductive cylinder 12, magnetic conductive board 9, magnetic conductive cylinder 12 from the bottom up at the top of valve cavity 2
It is connected by screw to and is integrated with valve cavity 2, the gasket of rubber material is clamped between magnetic conductive board 9 and valve cavity 2
91, there is the hole passed through for valve rod 5 in the middle part of gasket 91.Magnetic conductive board 9 is that permeability magnetic material is made with magnetic conductive cylinder 12, and the two surrounds shape
At Electric Actuator cavity 1.Plug 13 with external electrical connections is installed on magnetic conductive cylinder 12.
As shown in Fig. 2, first medium import 211 and media outlet 22 constitute first medium channel, second medium import 212
Second medium channel is constituted with media outlet 22, is embedded in the first valve seat 31 respectively on first medium channel and second medium channel
With the second valve seat 32, the first valve seat 31 and the coaxial arrangement of the second valve seat 32.The center of valve seat 3 be machined with one it is perforative
Hole, the both ends in the hole are the outward conical surface, i.e. horn mouth.Have on valve rod 5 with two 3 corresponding position elastic conjunctions of valve seat
One valve head 4, respectively the first valve head 41 and the second valve head 42 have the conical surface corresponding with the horn mouth on valve seat 3 on valve head 4,
The conical surface of the cooperation can achieve the effect that sealing after valve seat 3 and valve head 4 are adjacent to.
The cooperation of the upper horn mouth of first valve head 41 and the first valve seat 31, the lower loudspeaker of the second valve head 42 and the second valve seat 32
Mouth cooperation, and the spacing between the first valve head 41 and the second valve head 42 needs to guarantee: the first valve head 41 is adjacent to the first valve seat 31
When, the second valve head 42 is separated with the second valve seat 32, when the first valve head 41 is separated with the first valve seat 31, the second valve head 42 and the second valve
Seat 32 is adjacent to.So as to by vertically moving i.e. changeable first medium channel and second medium channel with ovable valve stem 5.
Fixed core 7 is fixed as one with magnetic conductive board 9, and valve rod 5 sequentially passes through magnetic conductive board 9 and fixed core 7 and dynamic iron core 6 is fixed
Connection.Magnetic conductive board 9 and fixed core 7 and valve rod 5 are clearance fit, and dynamic iron core 6 and valve rod 5 are interference fit.6 direction of dynamic iron core
One end of fixed core 7 is provided with cone boss 61, and one end of fixed core 7 towards dynamic iron core 6 is provided with corresponding with cone boss 61
Conical indents 71.Spring 10 is pressure spring, and set is placed on the bottom surface of conical indents 61 on valve rod 5.Dynamic iron core 6 is pressed
It is supported on spring 10, and through spring 10.Bolster 11, bolster are fixed between 6 top of dynamic iron core and magnetic conductive cylinder 12
11 be rubber pad, for absorbing the momentum of the dynamic iron core 6 bounced by spring 10, avoids dynamic iron core 6 and magnetic conductive cylinder 12 from hitting and generates
Noise and vibration even damage motor-driven valve.
Dynamic iron core 6 and fixed core 7 are respectively positioned in the electromagnetic coil 8 of its axis winding, electromagnetic coil 8 and diodes in parallel
It is electrically connected on plug 13 later.Plug 13 is connect with external control system, for controlling the on-off of electric current in electromagnetic coil 8.
In the present embodiment, when 8 no power of electromagnetic coil, valve seat 3 and valve head 4 as shown in Fig. 2, i.e. the first valve seat 31 with
First valve head 41 separates, and the second valve seat 32 is adjacent to the second valve head 42；When electromagnetic coil 8 is powered, electric magnetisation, 7 He of fixed core
Dynamic iron core 6 is in the magnetic field of the generation of electromagnetic coil 8, is magnetized, according to 6 phase of Ampere's law fixed core 7 and dynamic iron core
Pair one end magnetic pole on the contrary, generating attraction, fixed core 7 attracts dynamic iron core 6, and compressed spring 10 moves down valve rod 5, thus the
One valve seat 31 is adjacent to the first valve head 41, and the second valve seat 32 is separated with the second valve head 42, is powered off at this time to electromagnetic coil 8, is determined iron
Magnetic force between core 7 and dynamic iron core 6 disappears, and dynamic iron core 6 is shot back original position, valve head 4 and valve under the restoring force effect of spring 10
Seat 3 again be restored to before state.To can easily control cutting for medium channel by the power on/off of control electromagnetic coil 8
It changes.
Claims (8)
1. a kind of motor-driven valve, which is characterized in that the magnetic conductive board (9) including being provided with gasket (91) by bottom separates electronic
Actuator cavity (1) and the valve cavity (2) flowed through for medium, be provided on the valve cavity (2) at least two media into
Mouth (21) and at least one media outlet (22), are respectively provided between each medium entrance (21) and the media outlet (22)
Have valve seat (3), the valve head sealed engagement therewith (4) is provided on each valve seat (3), all valve heads (4) are fixed
In on valve rod (5), the valve rod (5) passes through magnetic conductive board (9) and is fixed in the dynamic iron core (6) in Electric Actuator cavity (1),
It is coaxially arranged with fixed core (7) on the axis of the dynamic iron core (6), is provided with bullet between the dynamic iron core (6) and fixed core (7)
Spring (10), the dynamic iron core (6) and fixed core (7) are respectively positioned in the electromagnetic coil (8) of its axis winding.
2. motor-driven valve according to claim 1, which is characterized in that the valve head (4) is matched with valve seat (3) by conical surface seal
It closes, the both ends of the valve seat (3) are provided with the conical surface that cooperation can be sealed with the valve head (4).
3. motor-driven valve according to claim 1, which is characterized in that the fixed core (7) is fixed on magnetic conductive board (9), institute
State the top that dynamic iron core (6) are supported in fixed core (7) by spring (10).
4. motor-driven valve according to claim 3, which is characterized in that be provided with bolster at the top of the dynamic iron core (6)
(11)。
5. motor-driven valve according to claim 3, which is characterized in that the dynamic iron core (6) is towards the one of the fixed core (7)
End is provided with cone boss (61), and one end of fixed core (7) towards the dynamic iron core (6) is provided with and the cone boss
(61) corresponding conical indents (71), the spring (10) are placed on the bottom surface of the conical indents (71).
6. motor-driven valve according to claim 1, which is characterized in that the electromagnetic coil (8) is located at the Electric Actuator
In cavity (1), the Electric Actuator cavity (1) is surrounded by magnetic conductive cylinder (12) and the magnetic conductive board (9).
7. motor-driven valve according to claim 6, which is characterized in that be provided with plug (13), institute on the magnetic conductive cylinder (12)
It states electromagnetic coil (8) and diodes in parallel is electrically connected on the plug (13) later.
8. motor-driven valve according to claim 1, which is characterized in that formed on the shell of the valve cavity (2) integrally at
Type has several mounting ears (23), and several mounting ears (23) are symmetrically disposed on the shell, sets on the mounting ear (23)
It is equipped with mounting hole (231), is embedded with becket (232) in the mounting hole (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123577.8U CN209213077U (en) | 2018-12-17 | 2018-12-17 | A kind of motor-driven valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123577.8U CN209213077U (en) | 2018-12-17 | 2018-12-17 | A kind of motor-driven valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213077U true CN209213077U (en) | 2019-08-06 |
Family
ID=67464909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123577.8U Active CN209213077U (en) | 2018-12-17 | 2018-12-17 | A kind of motor-driven valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217670A (en) * | 2021-07-08 | 2021-08-06 | 龙口市福利车辆配件厂 | Copper water knockout drum valve |
-
2018
- 2018-12-17 CN CN201822123577.8U patent/CN209213077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217670A (en) * | 2021-07-08 | 2021-08-06 | 龙口市福利车辆配件厂 | Copper water knockout drum valve |
| CN113217670B (en) * | 2021-07-08 | 2021-09-17 | 龙口市福利车辆配件厂 | Copper water knockout drum valve |
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