CN208619715U - Reciprocating slide valve - Google Patents
Reciprocating slide valve Download PDFInfo
- Publication number
- CN208619715U CN208619715U CN201820790015.6U CN201820790015U CN208619715U CN 208619715 U CN208619715 U CN 208619715U CN 201820790015 U CN201820790015 U CN 201820790015U CN 208619715 U CN208619715 U CN 208619715U
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- Prior art keywords
- valve
- valve plate
- valve body
- plate
- gear
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- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 125000004122 cyclic group Chemical group 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008961 swelling Effects 0.000 description 5
- 238000012913 prioritisation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a kind of reciprocating slide valves, valve body including being equipped with medium channel, the valve plate that the medium channel can be cut off, and the driving device for driving the valve plate to slide in valve body, elastic pressurized sealing element is provided between the valve body and valve plate, the rack gear for sliding along direction setting is installed on the valve plate, the driving device include be threaded through on the valve body and one end connection worm-gear speed reducer couple axle, driving gear is installed on the couple axle, the intermediate gear for being also equipped on the valve body while being engaged with the driving gear and rack gear.Power is reached valve plate by rack pinion by the utility model, realizes the fast and reliablely mobile of valve plate, and small space is suitble to use, while using the self-locking function of turbine worm reducer, the accuracy of combination gear rack-driving can make valve plate be parked in any opening degree.
Description
Technical field
The utility model relates to slide valve field more particularly to a kind of reciprocating slide valves.
Background technique
Currently, large-scale slide valve is all to drive valve plate mobile using screw rod, the opening and closing of valve are realized, due to valve
Plate is big, and the moving distance of screw rod is longer, therefore the space occupied is larger, can not be in small space application, and large-scale slide valve
In seal aspect, there is also deficiencies, if the sealing tension between valve plate and valve body, are easy to damage sealing element, seal Song Zerong
Easily cause leakage.
Summary of the invention
In view of the shortcomings of the prior art, the utility model provides a kind of reciprocating slide valve, solve sealing and gap
Contradiction, while occupied space is reduced, it is suitble to small space to use.
The utility model is achieved by the following technical solution, and provides a kind of reciprocating slide valve, including be equipped with medium
The valve body in channel, the valve plate that the medium channel can be cut off, and the driving device for driving the valve plate to slide in valve body,
It is provided with elastic pressurized sealing element between the valve body and valve plate, the tooth for sliding along direction setting is installed on the valve plate
Item, the driving device include be threaded through on the valve body and one end connection worm-gear speed reducer couple axle, the gearing
Driving gear, the intermediate gear for being also equipped on the valve body while engaging with the driving gear and rack gear are installed on axis.
Driving device can also be automatically controlled by hydraulic cylinder or pneumatic cylinder.
Power is reached valve plate by rack pinion by this programme, realizes the fast and reliablely mobile of valve plate, structure letter
It is single, by the way that intermediate gear is arranged, the size of driving gear is reduced, small space is suitble to use, installation is also more convenient, and is utilized simultaneously
The self-locking function of turbine worm reducer, the accuracy of combination gear rack-driving can make valve plate be parked in any opening degree；To elasticity
When pressurization part internal pressurization, sealing element expansion, realize it is in sealing contact with valve plate and valve body, to realize slide valve
Reliable sealing.
As optimization, the rack gear is located at the side of the valve plate, and the elastic pressurized sealing element includes being located at valve plate end
Between face and valve body and be fixed on the both ends on valve body sealing elastic tube and one end be connected to the elastic tube, the other end
It is connected to the forcing pipe of pressure source.Rack gear is arranged on valve plate side this prioritization scheme, when slide valve size is smaller, is arranged one
The balance sliding of valve plate can be realized in rack gear, is suitble to the use of small size slide valve, pours Jie into elastic tube by forcing pipe
Matter is pressurizeed, and elastic tube swelling is made, and realizes the sealing of valve plate end face and valve body.
As optimization, the strip hole along valve plate glide direction is offered on the valve body, is equipped with opening in the strip hole
Outwardly, towards the U-shaped elastic component of valve plate end face, the two sides of the U-shaped elastic component are fixed on valve body closing face by pressing plate,
The elastic tube is located in the cavity that the U-shaped elastic component and pressing plate surround, and the forcing pipe is pierced by the pressing plate.This optimization side
In case, elastic tube internal pressure expands after increasing, and expands U-shaped elastic component also, the closing face of U-shaped elastic component with
Valve plate end face seal contact, realizes sealing, is protected by the way that U-shaped elastic component is arranged elastic tube formation, avoids the movement pair of valve plate
Elastic tube causes to wear, while U-shaped elastic component being fixed by pressing plate, not only fixed reliable, but also realizes U-shaped elasticity
The two sides of part and the sealing of valve body.
As optimization, the guide groove for valve plate sliding is installed in the valve body, in the guide groove described in setting
Elastic tube, the two sides of the valve plate be separately installed with along the guide groove inner wall roll idler wheel.Not by setting idler wheel
Frictional force when valve plate movement is only reduced, and valve plate is effectively prevent to swing under the impact of medium when moving, is subtracted
Small valve plate deformation, prolongs the service life；There is provided guiding by setting guide groove for the sliding of valve plate, at the same using guide groove as
Sealing space, when medium channel is connected, elastic tube is in contraction state, has gap between valve plate and valve body, so that valve plate
Movement will not wear elastic tube, and when valve plate is closed, medium is poured into elastic tube, increases its internal pressure, elastic tube is swollen
It is contacted after swollen with valve plate and valve seal, realizes sealing.
As optimization, several mudholes along valve plate glide direction arrangement are offered on the guide groove.It is arranged by setting
Dirty hole, the impurity between valve plate and guide groove can be extruded mudhole when valve plate is mobile, keep the movement of valve plate more smooth.
As optimization, the rack gear is located on the end face of the valve plate, is installed with closure on the sealing surface of the valve plate
Cyclic spring pipe, the cyclic spring pipe are equipped with the forcing pipe of connection pressure source.Rack gear is arranged in valve plate this prioritization scheme
End face on, balance when keeping valve plate mobile is more preferable, and the cross force when gear drive at both ends is cancelled out each other, and avoids valve plate
Glance off, valve plate it is mobile in place after, pressurizeed by forcing pipe into cyclic spring pipe, after cyclic spring tube swelling with valve body,
Valve plate is in sealing contact, realizes sealing.
The jackscrew that can be pushed up to the valve plate side is also equipped with as optimization, on the valve body, the jackscrew and valve body are logical
Cross threaded connection.Valve plate can be pushed mobile to valve body by rotating jackscrew, keep the sealing surface of valve plate and valve body even closer
Fitting, further improves the reliability of sealing.
As optimization, the valve body includes two valve seats being oppositely arranged, and the detachable affixed and difference with the valve seat
Valve body plate positioned at valve plate two sides, the medium channel and jackscrew are respectively positioned on the valve body plate.The valve body benefit of this prioritization scheme
Surround valve chamber with valve seat and valve body plate, structure is simple, and it is convenient to overhaul when dismantled.
As optimization, the flange short tube being detachably connected with valve body plate is equipped in the medium channel, the flange is short
The outer circle of pipe and valve body plate are in sealing contact, and the inner face of flange short tube and the valve plate are in sealing contact.This prioritization scheme utilization method
The end face of blue short tube is in sealing contact with valve plate, further ensures sealing effect, and the area by reducing sealing surface, avoids
Due to poorly sealed problem caused by sealing surface deformation, make to seal relatively reliable.
As optimization, the wedge placed vertically is fixedly provided on the valve plate, and the small end of the wedge is downward.Wedge
Being arranged not only can be by jackscrew by the tighter of valve plate and valve body pressure, but also increases the component for preventing valve plate from sliding, to valve plate
Fixation it is relatively reliable, valve plate is mobile when there is bite, jackscrew is exited, to reduce the mobile frictional force of valve plate.
The utility model has the following beneficial effects: power is reached valve plate by rack pinion, the quick of valve plate is realized
It reliably moves, structure is simple, by the way that intermediate gear is arranged, reduces the size of driving gear, small space is suitble to use, install
Also it is more convenient, while using the self-locking function of turbine worm reducer, the accuracy of combination gear rack-driving can be such that valve plate stops
In any opening degree, valve plate position can be fixed using jackscrew, and contact of the valve plate with valve body can be made closer, further
Guarantee sealing effect.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the utility model embodiment；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is structural schematic diagram in guide groove in the utility model embodiment one；
Fig. 4 is the sealed structural schematic diagram of the utility model embodiment two；
Fig. 5 is three valve board structure schematic diagram of the utility model embodiment；
The overlooking structure diagram (being free of gear) that Fig. 6 is Fig. 5；
Fig. 7 is four structural schematic diagram of the utility model embodiment；
Fig. 8 is the overlooking structure diagram of the utility model embodiment four；
Fig. 9 is five structural schematic diagram of the utility model embodiment；
Figure 10 is drive mechanism schematic diagram in Fig. 9；
It is as shown in the figure:
1, worm-gear speed reducer, 2, idler wheel, 3, valve body plate, 4, valve body, 5, forcing pipe, 6, elastic pressurized sealing element, 7,
Guide groove, 8, jackscrew, 9, valve plate, 10, rack gear, 11, driving gear, 12, transition gear, 13, wedge, 14, peep hole, 15, row
Dirty hole, 16, flange short tube, 17, pressing plate, 18, elastic tube, 19, U-shaped elastic component, 20, sealing surface, 21, cyclic spring pipe, 22, hand
Wheel, 23, line shaft, 24, worm screw, 25, whirlpool female wheel.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Embodiment one
A kind of reciprocating slide valve as shown in Figure 1, including being equipped with the valve body 4 of medium channel, the medium channel can be cut
Disconnected valve plate 9, and the driving device for driving the valve plate 9 to slide in valve body, are provided between the valve body 4 and valve plate 9
Elastic pressurized sealing element 6, the rack gear 10 for sliding along direction setting is installed on the valve plate 9, and the driving device includes wearing
It is located at the couple axle of on the valve body and one end connection worm-gear speed reducer 1, driving gear 11 is installed on the couple axle,
The intermediate gear 12 for being also equipped on the valve body while being engaged with the driving gear 11 and rack gear 10, worm-gear speed reducer
1 input shaft is connected with motor.For convenience of the abrasion condition of observation rack gear, peep hole 14 is opened up on valve body.
Power is reached into valve plate by rack pinion, realizes the fast and reliablely mobile of valve plate, structure is simple, passes through
Intermediate gear is set, the size of driving gear is reduced, small space is suitble to use, installation is also more convenient, while utilizing turbine snail
The self-locking function of bar speed reducer, the accuracy of combination gear rack-driving can make valve plate be parked in any opening degree；It is close to elastic pressurized
When sealing internal pressurization, sealing element expansion, realize it is in sealing contact with valve plate and valve body, to realize the reliable close of slide valve
Envelope.
In the present embodiment, rack gear 10 is located at the side of the valve plate 9, and the elastic pressurized sealing element 6 includes being located at valve plate
Between end face and valve body and be fixed on the both ends on valve body sealing elastic tube 18 and one end be connected to the elastic tube, separately
The forcing pipe 5 of one end connection pressure source.Wherein elastic tube is also possible to metal bellows.Rack gear is arranged in valve in the present embodiment
On plate side, when slide valve size is smaller, a rack gear, which is arranged, can be realized the balance sliding of valve plate, be suitble to small size slide valve
Use, medium is poured into elastic tube by forcing pipe and is pressurizeed, makes elastic tube swelling, realizes valve plate end face and valve body
Sealing.Elastic pressurized sealing element may be metal bellows, and wear-resisting property is more preferable, can prolong the service life.
The guide groove 7 for valve plate sliding is installed in valve body, the setting elastic tube, described in the guide groove
The two sides of valve plate 9 are separately installed with the idler wheel 2 rolled along 7 inner wall of guide groove.It is also provided on guide groove 7 several along valve
The mudhole 15 of plate glide direction arrangement.
Frictional force when not only reducing valve plate movement by the way that idler wheel is arranged, and valve plate is effectively prevent to be situated between when moving
It is swung under the impact of matter, reduces valve plate deformation, prolong the service life；It is provided and is led for the sliding of valve plate by setting guide groove
To, while using guide groove as sealing space, when medium channel is connected, elastic tube is in contraction state, valve plate and valve body it
Between have gap so that the movement of valve plate will not wear elastic tube, when valve plate is closed, gas injection or liquid into elastic tube
Body increases its internal pressure, contacts after elastic tube swelling with valve plate and valve seal, realizes sealing.
Embodiment two
The difference between this embodiment and the first embodiment lies in the strip hole along valve plate glide direction is offered on valve body, it is described
Be equipped in strip hole opening outwardly, U-shaped elastic component 19 of the closing face towards valve plate end face, the two sides of the U-shaped elastic component 19
It is fixed on valve body by pressing plate 17, the elastic tube 18 is located in the cavity that the U-shaped elastic component and pressing plate surround, described to add
Pressure pipe 5 is pierced by the pressing plate 17.
After pouring liquid or gas inside elastic tube, pressure increases and expands, and it is swollen to occur that U-shaped elastic component also
Swollen, the closing face of U-shaped elastic component is contacted with valve plate end face seal, realizes sealing, is formed by the way that U-shaped elastic component is arranged to elastic tube
Protection, avoids the movement of valve plate from causing to wear to elastic tube, while U-shaped elastic component being fixed by pressing plate, not only fixes
Reliably, and the two sides of U-shaped elastic component and the sealing of valve body are realized.
Embodiment three
Rack gear 10 is located on the end face of the valve plate in the present embodiment, is installed with and closes on the sealing surface 20 of the valve plate 9
The cyclic spring pipe 21 of conjunction, the cyclic spring pipe 21 are equipped with the forcing pipe of connection pressure source.Also being equipped on valve body can push up
To the jackscrew 8 of the valve plate side, the jackscrew 8 is connected through a screw thread with valve body.
Preferably, the valve body in the present embodiment includes two valve seats being oppositely arranged, and removable with the valve seat
Valve body plate 3 that is affixed and being located at valve plate two sides is unloaded, the medium channel and jackscrew 8 are respectively positioned on the valve body plate 3.Valve plate
The wedge 13 placed vertically is fixedly provided on 9, and the small end of the wedge 13 is downward.
Rack gear is arranged on the end face of valve plate the present embodiment, and balance when keeping valve plate mobile is more preferable, the gear at both ends
Cross force when transmission is cancelled out each other, and is avoided valve plate and is glanced off, valve plate it is mobile in place after, by forcing pipe to cyclic spring
It pressurizes in pipe, it is in sealing contact with valve body, valve plate after cyclic spring tube swelling, realize sealing.And it can be with by rotation jackscrew
Push valve plate mobile to valve body, the fitting for keeping the sealing surface of valve plate and valve body even closer further improves the reliable of sealing
Property.When valve plate movement bite, jackscrew is exited, to reduce frictional force.
Example IV
The difference between this embodiment and the first embodiment lies in being equipped with the flange being detachably connected with valve body plate in medium channel
Short tube 16, the outer circle and valve body plate of the flange short tube 16 are in sealing contact, and the inner face of flange short tube connects with valve plate sealing
Touching.This implementation can be sealed with the realization in sealing contact of the end face of flange short tube and valve plate side, and being suitable for the biggish medium of concentration makes
With.
Embodiment five
The difference of the present embodiment and example IV is that the driving device includes that the worm and gear being mounted on valve body subtracts
Fast machine, and the line shaft 23 being threaded through on valve body, described line shaft one end are provided with handwheel 22, and the other end is provided with initiative taper
Gear is installed with the driven wheel of differential engaged with the drive bevel gear, the worm gear on the input shaft of worm-gear speed reducer
Worm decelerating machine include input shaft, with the coaxial affixed worm screw 24 of the input shaft, and the whirlpool female wheel engaged with the worm screw
25, the transmission gear engaged with rack gear 10 is installed on the wheel shaft of the whirlpool female wheel.For the ease of overhauling and replacing, input shaft, snail
Bar, whirlpool female wheel and transmission gear are installed on the same shell, and the shell and valve body are detachable, and shell by bolt by being connected
The shell plates composition being connected together, replaces this part, while collecting positioning, and speed change, transmitting is switched in one.
The present embodiment facilitates the adjustment at the staff scene of carrying out according to the actual situation by manual modulation valve Board position,
It is particularly suitable for the applying working condition of electricity consumption inconvenience.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above embodiments and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail referring to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that also should belong to the utility model
Seek protection scope.
Claims (10)
1. a kind of reciprocating slide valve, including being equipped with the valve body (4) of medium channel, the valve plate that the medium channel can be cut off
(9), and the driving device that drives the valve plate (9) to slide in valve body, it is characterised in that: the valve body (4) and valve plate (9)
Between be provided with elastic pressurized sealing element (6), be installed on the valve plate (9) slide along direction setting rack gear (10), institute
Stating driving device includes the couple axle for being threaded through on the valve body and one end connection worm-gear speed reducer (1), the couple axle
On be equipped with driving gear (11), be also equipped on the valve body while engaging with the driving gear (11) and rack gear (10)
Intermediate gear (12).
2. reciprocating slide valve according to claim 1, it is characterised in that: the rack gear (10) is located at the valve plate (9)
Side, the elastic pressurized sealing element (6) includes between valve plate end face and valve body and to be fixed on the both ends on valve body close
The elastic tube (18) of envelope and one end are connected to the elastic tube, and the other end is connected to the forcing pipe (5) of pressure source.
3. reciprocating slide valve according to claim 2, it is characterised in that: offered on the valve body along valve plate sliding side
To strip hole, be equipped in the strip hole opening outwardly, closing face towards valve plate end face U-shaped elastic component (19), it is described U-shaped
The two sides of elastic component (19) are fixed on valve body by pressing plate (17), the elastic tube (18) be located at the U-shaped elastic component and
In the cavity that pressing plate surrounds, the forcing pipe (5) is pierced by the pressing plate (17).
4. reciprocating slide valve according to claim 2, it is characterised in that: be installed in the valve body sliding for the valve plate
Dynamic guide groove (7), the guide groove interior setting elastic tube, the two sides of the valve plate (9) are separately installed with along institute
State the idler wheel (2) of guide groove (7) inner wall rolling.
5. reciprocating slide valve according to claim 4, it is characterised in that: offer several edges on the guide groove (7)
The mudhole (15) of valve plate glide direction arrangement.
6. reciprocating slide valve according to claim 1, it is characterised in that: the rack gear (10) is located at the end of the valve plate
On face, it is installed with the cyclic spring pipe (21) of closure on the sealing surface (20) of the valve plate (9), on the cyclic spring pipe (21)
Forcing pipe equipped with connection pressure source.
7. reciprocating slide valve according to claim 6, it is characterised in that: being also equipped on the valve body can push up to described
The jackscrew (8) of valve plate side, the jackscrew (8) are connected through a screw thread with valve body.
8. reciprocating slide valve according to claim 7, it is characterised in that: the valve body includes two valves being oppositely arranged
Seat, and the valve body plate (3) that is detachable affixed and being located at valve plate two sides with the valve seat, the medium channel and jackscrew
(8) it is respectively positioned on the valve body plate (3).
9. reciprocating slide valve according to claim 8, it is characterised in that: be equipped in the medium channel and valve body plate
The flange short tube (16) being detachably connected, the outer circle and valve body plate of the flange short tube (16) are in sealing contact, flange short tube it is interior
End face and the valve plate are in sealing contact.
10. reciprocating slide valve according to claim 7, it is characterised in that: be fixedly provided on the valve plate (9) and put vertically
The wedge (13) set, and the small end of the wedge (13) is downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790015.6U CN208619715U (en) | 2018-05-25 | 2018-05-25 | Reciprocating slide valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790015.6U CN208619715U (en) | 2018-05-25 | 2018-05-25 | Reciprocating slide valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619715U true CN208619715U (en) | 2019-03-19 |
Family
ID=65700660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820790015.6U Expired - Fee Related CN208619715U (en) | 2018-05-25 | 2018-05-25 | Reciprocating slide valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619715U (en) |
-
2018
- 2018-05-25 CN CN201820790015.6U patent/CN208619715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |