CN209587215U - Outlet valve - Google Patents
Outlet valve Download PDFInfo
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- CN209587215U CN209587215U CN201821540269.9U CN201821540269U CN209587215U CN 209587215 U CN209587215 U CN 209587215U CN 201821540269 U CN201821540269 U CN 201821540269U CN 209587215 U CN209587215 U CN 209587215U
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- valve
- spool
- exhalant canal
- outlet
- sealing
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Abstract
The utility model relates to a kind of outlet valves, and the valve body including having valve chamber, the valve body is additionally provided with the valve stem passage being connected with valve chamber, intake tunnel, the first exhalant canal and the second exhalant canal；Driving mechanism is fixed on the valve body, spool is provided in the valve chamber, the driving mechanism drives the spool straight reciprocating motion by the valve rod being located in valve stem passage, the driving mechanism includes stepper motor and the transmission mechanism that is connected between stepper motor and valve rod, the fixed end for being wrapped in the valve rod of the spool.More simple inside the utility model, physical life is longer, drives more accurate.
Description
Technical field
The utility model relates to valves, more particularly to a kind of outlet valve.
Background technique
Triple valve is the very common one kind of outlet valve, and for usual three-way valve body there are three mouth, One In and Two Out is (left into right
With it is lower go out) and common valve unlike bottom have an outlet, when inner spool is in different location, outlet difference, such as spool
At lower part, left and right is communicated, and if spool is at top, right outlet is plugged, and left and lower mouth is logical.Because Zuo Kou and right mouth be not one
On horizontal line.Spool is connected by valve rod with the motor for being fixed on valve body top, and under the drive of the motor, spool is in valve chamber
Inside move up and down.
In general, the motor being used on triple valve is synchronous motor, so needing to be arranged spring on valve rod, spool is helped
It resets, structure is relative complex, and will cause water resistance and plug hidden danger.It is to pass through screw thread between the valve rod and spool of the prior art
It is fixedly connected, after constantly pumping, is easy to loosen between valve rod and spool, and cause the failure of triple valve.
Utility model content
Based on this, it is necessary to which for the problem that outlet valve internal structure is recurred, spool and valve rod are easy to loosen, and provide one kind
Outlet valve.
A kind of outlet valve, including have valve chamber valve body, the valve body be additionally provided with the valve stem passage being connected with valve chamber, into
Aquaporin, the first exhalant canal and the second exhalant canal；It is fixed with driving mechanism on the valve body, is provided with valve in the valve chamber
Core, the driving mechanism drive the spool straight reciprocating motion, the driving mechanism by the valve rod being located in valve stem passage
Including stepper motor and the transmission mechanism being connected between stepper motor and valve rod, the spool fixation is wrapped in the valve rod
End.
Above-mentioned outlet valve, driving motor are stepper motor, and setting spring is not needed on valve rod and drives valve core reset, in valve body
Portion's structure is simple, will not cause water resistance and and blocking, physical life is longer, drive it is more accurate.
At least one of the spool and the valve rod are equipped with axial limiting ring in one of the embodiments, another
Person is equipped with the axial limiting slot matched with the axial limiting ring.
Above-mentioned outlet valve does not have selection to be threadedly coupled but by stop collar and the limiting slot to match between valve rod and spool
Spool package valve rod is integrally formed by cooperation by thermoplastic, and such structure more will securely, and valve rod is difficult to fall off from spool.
The motor cabinet that sealing cooperates in the valve stem passage, the motor are fixedly mounted in one of the embodiments,
On the motor cabinet, described valve rod one end is connected with the output shaft of motor, and the other end is connected through motor cabinet with the spool.
Above-mentioned outlet valve, threaded sealing fit between the motor cabinet and valve stem passage inner wall, motor cabinet and valve stem passage
Threaded sealing fit between inner wall is to prevent the fluid in valve chamber from leaking out.
It is also sealed in the inner wall of the valve chamber in one of the embodiments, and is fixed with annular seal receptacle, the sealing
Seat is fixedly connected by connector with the motor cabinet, and the inner edge of the seal receptacle is close as first matched with the spool
Seal valve port.
The outer peripheral surface of the seal receptacle is provided at least one of sealing ring and the valve chamber in one of the embodiments,
The sealing cooperation of inner wall chamber.
Above-mentioned outlet valve is matched by seal receptacle with spool when intake tunnel is connected to the second exhalant canal, by
One exhalant canal thoroughly seals, and prevents fluid from leaking out from the first exhalant canal, to guarantee the leakproofness of outlet valve.
The connector is at least two connecting rods being arranged side by side in one of the embodiments,.
The seal receptacle is structure as a whole with the motor cabinet in one of the embodiments,.
Above-mentioned outlet valve, seal receptacle are structure as a whole with motor cabinet, during installation, it is only necessary to protrude into spool by valve rod
Seal receptacle is connected to motor, and then spool is placed into valve chamber again, and seal receptacle is also and then put into valve chamber inner wall, and seal receptacle
It offsets inside the sealing ring and valve chamber being arranged on outer peripheral surface, plays the role of sealing, pass through electricity between last motor cabinet and valve body
Base and valve stem passage, which are threadedly engaged, to be played the role of fixed and seals.
First exhalant canal and valve stem passage are located at the first sealing valve port in one of the embodiments,
The same side, the intake tunnel and the second exhalant canal are in the other side of the first sealing valve port；The connector
The first vacancy section of first exhalant canal is passed in and out with evacuation fluid.
The second sealing matched with the spool is equipped at second exhalant canal in one of the embodiments,
Valve port；It is fixed on the spool and extends into the second exhalant canal, and be slidably matched with the second exhalant canal inner wall
Positioning region.
Above-mentioned outlet valve is arranged when spool does straight line and repeatedly moves by motor driven in valve stem passage in spool
On positioning region when can prevent spool from moving up and down, skew is led to by fluid impact in valve chamber, and makes seal failure.
There is on the positioning region evacuation fluid to pass in and out the second of second exhalant canal in one of the embodiments,
Vacancy section.
Above-mentioned outlet valve also has the second vacancy section on the positioning region being arranged on spool, matches spool with the first seal
The first exhalant canal of sealing is closed, while preventing spool from tilting, it is logical from the second water outlet that the second vacancy section avoids fluid for positioning region
Road outflow.
The positioning region is tubular structure in one of the embodiments, and second vacancy section is provided with tubular structure
Side wall；Or the positioning region is plurality of rods body structure, is used as second vacancy section between the adjacent body of rod.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the outlet valve of the embodiments of the present invention one；
Fig. 2 a is the structural schematic diagram of valve rod and spool in outlet valve shown in FIG. 1；
Fig. 2 b is valve rod and spool connecting portion enlarged diagram in Fig. 2 a；
Fig. 3 is that the spool of the embodiments of the present invention one slides into the status diagram of the second seal；
Fig. 4 is that the spool of the embodiments of the present invention two slides into the status diagram of the first seal.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work, all belongs to
In the range of the utility model protection.
Embodiment one:
As shown in Figure 1, a kind of outlet valve, valve body 1 including having valve chamber 2, valve body 1 is additionally provided with to be connected with valve chamber 2
Valve stem passage 6, intake tunnel 11, the first exhalant canal 12 and the second exhalant canal 13.Driving mechanism 4, valve are fixed on valve body 1
Spool 51 is placed in chamber 2, driving mechanism 4 is by being located at 6 inner valve stem 52 of valve stem passage and 51 straight reciprocating motion of spool.
In the present embodiment, outlet valve is set there are three the fluid channel being connected with valve chamber 2, and a respectively import is logical
Road, two exhalant canals.It may be alternatively provided as two intake tunnels, an exhalant canal.In the driving bottom spool 51 of driving mechanism 4
It is pulled in valve stem passage 6 by valve rod 52 and does straight reciprocating motion.When 51 upward sliding of spool to defined position, water inlet is logical
Road 11 is connected with the second exhalant canal 13.When spool 51 slides down to defined position, intake tunnel 11 and the first water outlet
Channel 12 is connected.
In the present embodiment, driving mechanism 4 includes stepper motor 41 and is connected between stepper motor 41 and valve rod 52
Transmission mechanism.Stepper motor 41 changes the direction of motor shaft rotation according to the different pulses of input, rotates forward or can invert.Again
By transmission mechanism, the rotary motion of motor shaft is converted into straight reciprocating motion up and down.
In the prior art, usual motor can select to use synchronous motor, and synchronous motor can only rotate in one direction, so
In order to realize that spool 51 can move reciprocatingly in valve stem passage 6, needing to load on valve rod 52 can drive spool 51 to reset
Spring.The present embodiment, internal structure is simple, and not needing the setting spring on valve rod 52 resets spool 51, the spring avoided
Caused water resistance and obstruction influences outlet valve work.
As shown in Figure 2 a, the fixed end for being wrapped in valve rod 52 of spool 51, at least one of spool 51 and valve rod 52 are set
There is axial limiting ring a, another one is equipped with the axial limiting slot b cooperated with axial limiting ring a.As shown in Figure 2 b, axial limiting ring a
It is arranged on valve rod 52, and limiting slot b is arranged on spool 51.In the present embodiment, valve rod 52 passes through thermoplastic work and spool
51 are connected.52 one end outer peripheral surface of valve rod is provided with the axial limiting ring a protruded outward, is molded by heat, and spool 51 wraps
The position for wrapping the axial limiting ring a on valve rod 51 naturally forms the axial limiting slot b of indent.The limit being arranged in this way
Structure, spool 51 and valve rod 52 are connected as firm one, in the case where spool 51 constantly moves reciprocatingly, spool 51 be difficult to from
It falls off in valve rod 52, reduces the maintenance probability of outlet valve, extend the service life of outlet valve.
As shown in figure 3, the motor cabinet 43 that sealing cooperates in valve stem passage 6, stepper motor 4 are fixedly mounted on the motor cabinet 43
On, 52 one end of valve rod is connected with transmission mechanism, and the other end is connected through motor cabinet 43 with spool 51.
In the present embodiment, transmission mechanism needs the rotary motion of motor shaft being converted to straight reciprocating motion, generally may be used
It can be integrated or separately structure using feed screw nut, between motor shaft and screw rod, nut seat driven by the rotation of motor shaft
Straight reciprocating motion is connected with the output shaft 42 protruded into valve stem passage 6 on the nut seat matched with screw rod.In transmission mechanism
Under the action of, drive the valve rod 52 being mutually flexibly connected therewith to do straight reciprocating motion up and down in valve stem passage 6 by output shaft 42,
The other end connection spool 51 of valve rod 52 can slide up and down its defined position in valve chamber 2 to change the state of outlet valve.
As shown in figure 3,42 bottom end of output shaft has connecting bushing 421,52 top of valve rod is protruded into and is limited by ball head structure
In connecting bushing 421, valve rod 52 can rotate the machining accuracy reduced to valve stem passage 6, but bulb knot to output shaft 42 for position
It is mutually limited in the axial direction between structure and connecting bushing 421, it can be achieved that being moved along axial synchronous reciprocating.
It in the present embodiment, is threaded sealing fit between 6 inner wall of motor cabinet 43 and valve stem passage, to prevent in valve chamber 2
Fluid leak out.
As shown in figure 3, the inner wall in valve chamber 2 also seals and is fixed with the seal receptacle 431 of annular, seal receptacle 431 passes through connection
Part is fixedly connected with motor cabinet 43, and the inner edge of seal receptacle 431 is as the first sealing valve port 7 matched with spool 51.
In the present embodiment, the inner edge of seal receptacle 431 is as the first sealing also conduct of valve port 7 matched with spool 51
Spool 51 does defined position when straight reciprocating motion upward sliding in valve stem passage 6.
In general, the outer peripheral surface of spool 51 is the sealing ring that twice annular is arranged, wherein setting together as shown in Fig. 2 a, 2b, 3
Setting in one end close to stepper motor direction is upper seal 511, is in addition positioned close to one end of the second exhalant canal together
For lower seal 512.When spool 51 slides up to the first sealing valve port 7, upper seal 511 and the first sealing valve port 7 are close
Envelope cooperation, at this moment the first exhalant canal 12 seals, and is connected to intake tunnel 11 with the second exhalant canal 13.
In the present embodiment, the interior of at least one of sealing ring 4311 and valve chamber 2 is additionally provided on 431 outer peripheral surface of seal receptacle
Wall sealing is matched, to guarantee the leakproofness of valve stem passage 6.
In the present embodiment, connector is at least two connecting rods being arranged side by side.
In the present embodiment, seal receptacle 431 is structure as a whole with motor cabinet 43.During installation, it is only necessary to lead to spool 51
It crosses valve rod 52 and protrudes into seal receptacle 431 and connect with driving mechanism 4, then spool 51 is placed into valve chamber 2 again, seal receptacle 431
And then the sealing ring for being put into valve chamber 2, and being arranged on 431 outer peripheral surface of seal receptacle offsets with 2 internal perisporium of valve chamber, plays the work of sealing
With being threadedly engaged between last motor cabinet 43 and valve body 1 by motor cabinet 43 and valve stem passage 6 and play fixed and sealing work
With.Installation is simpler in this way, and assembly efficiency is higher.
As shown in figure 3, the first exhalant canal 12 and valve stem passage 6 are located at the same side of the first sealing valve port 7, water inlet is logical
Road 11 and the second exhalant canal 13 are in the other side of the first sealing valve port 7, and there is connector evacuation fluid disengaging first to go out
The first vacancy section (not shown in figure) of aquaporin 12, such as the interval position of two connecting rods.
In the present embodiment, when intake tunnel 11 is connected to the first exhalant canal 12, in order to allow fluid smoothly from
The outflow of one exhalant canal 12, the connector in the first exhalant canal mouth should be Openworks shape.Therefore in the present embodiment, connection sealing
The connector of seat 431 and motor cabinet 43 is at least two connecting rods being arranged side by side, and forms vacancy section between two connected connecting rods.
In other embodiments, connector can also be reticular structure, then mesh is vacancy section.
Embodiment two:
As shown in figure 4, the second sealing valve port 8 matched with spool 51 is equipped at the second exhalant canal 13, on spool 51
It is fixed with and extends into the second exhalant canal 13, and the positioning region 53 that 13 inner wall of the second exhalant canal is slidably matched.Such as Fig. 4 institute
Show that there is evacuation fluid to go out the second vacancy section 531 of the second exhalant canal 13 on positioning region 53.In the present embodiment, positioning region
53 be tubular structure, and the second vacancy section 531 is provided with the side wall of same shape structure, and positioning region 53 is mostly with rod structure, adjacent stems
The second vacancy section 531 is used as between body.
In the present embodiment, the second sealing valve port 8 matched with spool 51, also conduct are equipped at the second exhalant canal 13
Spool 51 does defined position when straight reciprocating motion slide downward in valve stem passage 6.When spool 51 slides down to second
When sealing valve port 8, the lower seal 512 of 51 outer peripheral surface of spool setting and the second sealing sealing of valve port 8 cooperate, at this moment the second water outlet
Channel 13 seals, and is connected to intake tunnel 11 with the first exhalant canal 12.
In the present embodiment, when valve body 51 moves reciprocatingly in valve stem passage 6, no matter slide up to the first sealing
The position of valve port 7 still slides down to the position of the second seal 8.A part of positioning region 53 extends into always second
Exhalant canal 13, it is inconsistent with 13 inner wall of second outlet channel, during the entire process of guaranteeing that spool 51 moves reciprocatingly, not by
Fluid impact in valve chamber 2 and lead to skew, and make seal failure.
In the present embodiment, when sliding into the first sealing valve port 7 on spool 51 is in valve stem passage 6, intake tunnel 11 with
Second exhalant canal 13 is connected.At this point, most of positioning region 53 is under the traction of spool 51 from the second outlet conduit 13
Middle pull-out, positioning region 53 is in 11 mouthfuls of intake tunnel should be Openworks shape on one side, make the fluid flowed into from intake tunnel 11 smooth
From the second exhalant canal 13 flow out.While preventing spool 51 from tilting during the motion, setting is being positioned for positioning region 53
The second vacancy section 531 evacuation fluid in portion 53 is flowed out from the second exhalant canal 13.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of outlet valve, the valve body including having valve chamber, the valve body are additionally provided with the valve stem passage being connected with valve chamber, water inlet
Channel, the first exhalant canal and the second exhalant canal；It is fixed with driving mechanism on the valve body, is provided with valve in the valve chamber
Core, the driving mechanism drive the spool straight reciprocating motion by the valve rod being located in valve stem passage, which is characterized in that institute
State the transmission mechanism that driving mechanism includes stepper motor and is connected between stepper motor and valve rod, the fixed package of the spool
In the end of the valve rod, the valve rod is connected by thermoplastic processes with the spool.
2. outlet valve according to claim 1, which is characterized in that at least one of the spool and the valve rod are equipped with
Axial limiting ring, another one are equipped with the axial limiting slot matched with the axial limiting ring.
3. outlet valve according to claim 1, which is characterized in that the motor cabinet of sealing cooperation, institute in the valve stem passage
It states stepper motor to be fixedly mounted on the motor cabinet, described valve rod one end is connected with the transmission mechanism, and the other end runs through motor
Seat is connected with the spool.
4. outlet valve according to claim 3, which is characterized in that also sealed in the inner wall of the valve chamber and be fixed with annular
Seal receptacle, the seal receptacle are fixedly connected by connector with the motor cabinet, the inner edge of the seal receptacle as with the valve
The first sealing valve port that core matches.
5. outlet valve according to claim 4, which is characterized in that the connector is at least two companies being arranged side by side
Bar.
6. outlet valve according to claim 5, which is characterized in that the seal receptacle is structure as a whole with the motor cabinet.
7. outlet valve according to claim 6, which is characterized in that first exhalant canal and valve stem passage are located at institute
The same side of the first sealing valve port is stated, in addition the intake tunnel and the second exhalant canal are in the first sealing valve port
Side；The first vacancy section that there is the connector evacuation fluid to pass in and out first exhalant canal.
8. outlet valve according to claim 1, which is characterized in that be equipped with and the spool at second exhalant canal
The the second sealing valve port matched；It is fixed on the spool and extends into the second exhalant canal, and is logical with second water outlet
The positioning region that road inner wall is slidably matched.
9. outlet valve according to claim 8, which is characterized in that have evacuation fluid disengaging described the on the positioning region
Second vacancy section of two exhalant canals.
10. outlet valve according to claim 9, feature with the positioning region is tubular structure, second hollow out
Area is provided with the side wall of tubular structure；Or the positioning region is plurality of rods body structure, is engraved between the adjacent body of rod as described second
Dead zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540269.9U CN209587215U (en) | 2018-09-20 | 2018-09-20 | Outlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540269.9U CN209587215U (en) | 2018-09-20 | 2018-09-20 | Outlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587215U true CN209587215U (en) | 2019-11-05 |
Family
ID=68373160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821540269.9U Active CN209587215U (en) | 2018-09-20 | 2018-09-20 | Outlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294588A (en) * | 2021-06-18 | 2021-08-24 | 威海博通阀门有限公司 | Anti-cavitation high-pressure drain valve |
| CN114367551A (en) * | 2020-10-15 | 2022-04-19 | 北京京诚瑞信长材工程技术有限公司 | Water distribution valve group and multi-channel water cooling device for long-material high-quality special steel production line |
-
2018
- 2018-09-20 CN CN201821540269.9U patent/CN209587215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367551A (en) * | 2020-10-15 | 2022-04-19 | 北京京诚瑞信长材工程技术有限公司 | Water distribution valve group and multi-channel water cooling device for long-material high-quality special steel production line |
| CN114367551B (en) * | 2020-10-15 | 2024-03-26 | 北京京诚瑞信长材工程技术有限公司 | Water diversion valve group and multichannel water cooling device for long-material excellent special steel production line |
| CN113294588A (en) * | 2021-06-18 | 2021-08-24 | 威海博通阀门有限公司 | Anti-cavitation high-pressure drain valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312000 no.689 Jiefang Road, Diankou Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Huayi Precision Machinery Co.,Ltd. Address before: 312000 no.689 Jiefang Road, Diankou Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. |