CN208997427U - A kind of electric check valve - Google Patents
A kind of electric check valve Download PDFInfo
- Publication number
- CN208997427U CN208997427U CN201821644840.1U CN201821644840U CN208997427U CN 208997427 U CN208997427 U CN 208997427U CN 201821644840 U CN201821644840 U CN 201821644840U CN 208997427 U CN208997427 U CN 208997427U
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- valve
- wall
- fixed
- rod
- drive rod
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Abstract
The utility model relates to a kind of electric check valves, including valve chest and the actuator shell being arranged at the top of valve chest, the core assembly that can be moved up and down matched with its inner flow passage is fixed with inside the top ports of the valve chest, the inside of the actuator shell is fixed with motor, eccentric bushing is fixed on the output shaft outer wall of motor, runner is fixed on the outer wall of eccentric bushing, the camshaft extended to the right is fixed with inside the right output port of eccentric bushing, the drive rod for being arranged right below bottom end and being contacted with core assembly of the runner, the inner cavity of drive rod is equipped with buffer spring, the top of buffer spring is equipped with the spring pressuring plate tipped upside down on the outer wall of drive rod top.The electric check valve of the utility model is reasonable in design, is made of Electric Actuator and valve body, and the intracorporal valve rod of valve realizes the closure of shut-off valve by pushing away under Electric Actuator, valve rod moves up and down, and stroke is simple, the operation is stable, rationally, suitable environment is various for design.
Description
Technical field
The utility model relates to a kind of electric check valves.
Background technique
The closure of tradition electric check valve is to rotate flap by electronic thrust at present, keeps valve clack sealing surface close with valve seat
Cover fitting prevents flow of media, but has the drawback that structure is relative complex, and the scope of application is also restricted.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of electric check valve.
The electric check valve of the utility model, including valve chest and the actuator shell being arranged at the top of valve chest, valve
It is installed between the top ports of shell and the bottom nozzle of actuator shell by mutually matched shut-off valve attaching nut and actuator
Nut connects, and is fixed with the spool group that can be moved up and down matched with its inner flow passage inside the top ports of the valve chest
The inside of part, the actuator shell is fixed with motor, is fixed with eccentric bushing on the output shaft outer wall of motor, eccentric bushing it is outer
It is fixed with runner on wall, the camshaft extended to the right, the underface of the runner are fixed with inside the right output port of eccentric bushing
Equipped with the drive rod that bottom end is contacted with core assembly, the inner cavity of drive rod is equipped with buffer spring, and the top of buffer spring is equipped with
The spring pressuring plate being buckled on the outer wall of drive rod top.
The electric check valve of the utility model, the core assembly include the spool master fixed by shut-off valve attaching nut
Body is interspersed with valve rod in the inside of spool main body, and the top of valve rod is contacted with the bottom end of the drive rod, and the bottom end of valve rod passes through
Seal closure and gasket are fixed with after spool main body on its external wall, after seal closure and gasket assembling and inside the valve chest
Sealing surface match, spool nut, the valve below spool nut have been threadably secured in the top ports of the spool main body
Valve rod spring is arranged on bar outer wall.
The electric check valve of the utility model, the top of the valve rod spring are equipped with the first pad being set on valve rod outer wall
The top of circle, the first washer is fixed with second packing ring by circlip, and the top of second packing ring, which is equipped with, to be set on valve rod outer wall
First sealing ring, the bottom end of the valve rod spring are equipped with the third washer being set on valve rod outer wall, set below third washer
There are two the second sealing ring, the 4th washer is equipped between the second sealing ring.
The right output port lower section of the electric check valve of the utility model, the camshaft is fixed with microswitch.
The electric check valve of the utility model, the top outer wall of the drive rod are equipped with a circle convex ribs, the spring pressure
The lower square set of piece drive rod outer wall and drive rod outer wall is hung over by barb-shaped varus barb convex ribs on.
Compared with prior art the utility model has the following beneficial effects: the electric check valve structure of the utility model designs conjunction
Reason, is made of Electric Actuator and valve body, and the intracorporal valve rod of valve realizes the closure of shut-off valve by pushing away under Electric Actuator,
Valve rod moves up and down, and stroke is simple, the operation is stable, and rationally, suitable environment is various for design.
Detailed description of the invention
Fig. 1 is a kind of one of structural schematic diagram of electric check valve described in the utility model embodiment；
Fig. 2 is a kind of second structural representation of electric check valve described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of drive rod in a kind of electric check valve described in the utility model embodiment；
Fig. 4 is the structural schematic diagram of core assembly in a kind of electric check valve described in the utility model embodiment.
In figure:
1, valve chest；2, actuator shell；3, shut-off valve attaching nut；4, actuator installs nut；5, core assembly；
51, spool main body；52, valve rod；53, seal closure；54, gasket；55, spool nut；56, valve rod spring；57, the first washer；
58, circlip；59, second packing ring；510, the first sealing ring；511, third washer；512, the second sealing ring；513, the 4th washer；
6, motor；7, eccentric bushing；8, runner；9, camshaft；10, drive rod；11, buffer spring；12, spring pressuring plate；13, fine motion is opened
It closes；14, convex ribs；15, varus barb.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figs 1-4, a kind of electric check valve, including valve chest 1 and the actuator shell being arranged at the top of valve chest 1
Body 2 passes through mutually matched shut-off valve attaching nut 3 and holds between the top ports of valve chest 1 and the bottom nozzle of actuator shell 2
Row device is installed nut 4 and is connected, be fixed with inside the top ports of the valve chest 1 matched with its inner flow passage can on move down
The inside of dynamic core assembly 5, the actuator shell 2 is fixed with motor 6, is fixed on the output shaft outer wall of motor 6 partially
The heart covers 7, is fixed with runner 8 on the outer wall of eccentric bushing 7, the cam extended to the right is fixed with inside the right output port of eccentric bushing 7
The inner cavity of axis 9, the drive rod 10 for being arranged right below bottom end and contacting with core assembly 5 of the runner 8, drive rod 10 is equipped with buffering
Spring 11, the top of buffer spring 11 are equipped with the spring pressuring plate 12 tipped upside down on 10 top outer wall of drive rod.
The electric check valve of the utility model, the core assembly 5 include the spool fixed by shut-off valve attaching nut 3
Main body 51 is interspersed with valve rod 52 in the inside of spool main body 51, and the top of valve rod 52 is contacted with the bottom end of the drive rod 10, valve
The bottom end of bar 52 is fixed with seal closure 53 and gasket 54, seal closure 53 and gasket after passing through spool main body 51 on its external wall
It matches after 54 assemblings with the sealing surface inside the valve chest 1, is threadably secured in the top ports of the spool main body 51
There is spool nut 55, is arranged with valve rod spring 56 on 52 outer wall of valve rod of 55 lower section of spool nut.
The electric check valve of the utility model, the top of the valve rod spring 56 are equipped with the be set on 52 outer wall of valve rod
The top of one washer 57, the first washer 57 is fixed with second packing ring 59 by circlip 58, and the top of second packing ring 59, which is equipped with, to be arranged
The first sealing ring 510 on 52 outer wall of valve rod, the bottom end of the valve rod spring 56 are equipped with the be set on 52 outer wall of valve rod
Three washers 511, the lower section of third washer 511 are set there are two the second sealing ring 512, and the 4th pad is equipped between the second sealing ring 512
Circle 513.
The right output port lower section of the electric check valve of the utility model, the camshaft 9 is fixed with microswitch 13.
The electric check valve of the utility model, the top outer wall of the drive rod 10 are equipped with a circle convex ribs 14, the bullet
The lower square set of spring tabletting 12 is in 10 outer wall of drive rod and hangs over by barb-shaped varus barb 15 convex ribs of 10 outer wall of drive rod
On 14.
The electric check valve of the utility model is reasonable in design, is made of Electric Actuator and valve body, when specific works,
Motor drives runner rotation, and runner pushes drive rod downlink under the action of eccentric bushing, and drive rod pushes valve rod to move down, into
And seal closure and the gasket realization of drive rod bottom end are matched with the sealing surface inside valve chest, realize the closure of shut-off valve,
Valve rod moves up and down, and stroke is simple, the operation is stable, and rationally, suitable environment is various for design.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (5)
1. a kind of electric check valve, including valve chest (1) and the actuator shell (2) being arranged at the top of valve chest (1), valve casing
Pass through mutually matched shut-off valve attaching nut (3) and execution between the top ports of body (1) and the bottom nozzle of actuator shell (2)
Device installs nut (4) connection, it is characterised in that: is fixed with inside the top ports of the valve chest (1) and matches with its inner flow passage
The core assembly (5) that can be moved up and down closed, the inside of the actuator shell (2) is fixed with motor (6), in motor (6)
Output shaft outer wall on be fixed with eccentric bushing (7), runner (8) are fixed on the outer wall of eccentric bushing (7), on the right side of eccentric bushing (7)
The camshaft (9) extended to the right is fixed with inside port, the runner (8) is arranged right below bottom end and core assembly (5)
The inner cavity of the drive rod (10) of contact, drive rod (10) is equipped with buffer spring (11), and the top of buffer spring (11) is equipped with back-off
Spring pressuring plate (12) on the outer wall of drive rod (10) top.
2. electric check valve according to claim 1, it is characterised in that: the core assembly (5) includes passing through shut-off valve
The fixed spool main body (51) of attaching nut (3), is interspersed with valve rod (52), the top of valve rod (52) in the inside of spool main body (51)
End is contacted with the bottom end of the drive rod (10), and the bottom end of valve rod (52) is fixed on its external wall after passing through spool main body (51)
The sealing internal with the valve chest (1) after seal closure (53) and gasket (54), seal closure (53) and gasket (54) assembling
Face matches, and has been threadably secured spool nut (55) in the top ports of the spool main body (51), under spool nut (55)
Valve rod spring (56) are arranged on valve rod (52) outer wall of side.
3. electric check valve according to claim 2, it is characterised in that: the top of the valve rod spring (56) is equipped with and is arranged
The top of the first washer (57) on valve rod (52) outer wall, the first washer (57) is fixed with second packing ring by circlip (58)
(59), the top of second packing ring (59) is equipped with the first sealing ring (510) being set on valve rod (52) outer wall, the valve rod spring
(56) bottom end is equipped with the third washer (511) that is set on valve rod (52) outer wall, set below third washer (511) there are two
Second sealing ring (512) is equipped with the 4th washer (513) between the second sealing ring (512).
4. electric check valve according to claim 1, it is characterised in that: fixed below the right output port of the camshaft (9)
There are microswitch (13).
5. electric check valve according to claim 1, it is characterised in that: the top outer wall of the drive rod (10) is equipped with
One circle convex ribs (14), the lower square set of the spring pressuring plate (12) in drive rod (10) outer wall and pass through barb-shaped varus barb
(15) on the convex ribs (14) for hanging over drive rod (10) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644840.1U CN208997427U (en) | 2018-10-10 | 2018-10-10 | A kind of electric check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644840.1U CN208997427U (en) | 2018-10-10 | 2018-10-10 | A kind of electric check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997427U true CN208997427U (en) | 2019-06-18 |
Family
ID=66803573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821644840.1U Active CN208997427U (en) | 2018-10-10 | 2018-10-10 | A kind of electric check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997427U (en) |
-
2018
- 2018-10-10 CN CN201821644840.1U patent/CN208997427U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |