CN107101004B - A kind of damper sealing structure - Google Patents
A kind of damper sealing structure Download PDFInfo
- Publication number
- CN107101004B CN107101004B CN201710350023.9A CN201710350023A CN107101004B CN 107101004 B CN107101004 B CN 107101004B CN 201710350023 A CN201710350023 A CN 201710350023A CN 107101004 B CN107101004 B CN 107101004B
- Authority
- CN
- China
- Prior art keywords
- sealing
- shaft
- baffle
- push
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Air-Flow Control Members (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of damper sealing structures, comprising: shell, baffle, sealing element, bearing, shaft, the driving mechanism for driving flapper.Shell has medium runner, baffle and sealing element are all set in medium runner, the quantity of sealing element is at least 2, each baffle plate setting is between adjacent 2 sealing elements, baffle has the sealing for being parallel to shaft, sealing element has the cambered surface cooperated with sealing, and the edge for being parallel to shaft of baffle and the cambered surface line face of sealing element cooperate；Driving mechanism include motor, lead screw, sliding block, push-pull rod and with the one-to-one transmission mechanism of shaft；Push-pull rod is flexibly connected with the outer wall of shell so that push-pull rod reciprocally moves along a straight line；Transmission mechanism is used to convert the linear reciprocating motion of push-pull rod to the rotary motion of shaft.Baffle and sealing element are more much smaller than the contact area of traditional plane-plane contact, therefore sealing than face contact is influenced by operating condition small, and sealing performance is relatively reliable.
Description
Technical field
The invention belongs to air door technical fields, and in particular to a kind of damper sealing structure.
Background technique
Currently, being provided with air door in power station flue or air duct, since its passage flow amount is larger, cylinder commonly uses baffle-type wind
Door has the function that adjust rate-of flow by the aperture of controllable register and blocks medium.However in use process due to
There are certain abrasions, and in some cases, and medium is high-temperature medium, and the sealing structure of air door can be made to go wrong, such as
Baffle switchs phenomena such as not flexible there are different degrees of bite；Flapper closure is not tight, causes internal leakage big, unit operation
In can not repair.
Summary of the invention
The purpose of the present invention is to provide a kind of damper sealing structures, to solve existing for above-mentioned air door sealing mechanism
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of damper sealing structure, comprising: shell, baffle, sealing element, bearing, shaft, for driving flapper
Driving mechanism；
The shell has medium runner, and the baffle and the sealing element are all set in the medium runner, described
The quantity of sealing element is at least 2, and between adjacent 2 sealing elements, the baffle has each described baffle plate setting
It is parallel to the sealing of the shaft, the sealing element has the cambered surface cooperated with the sealing, and the baffle is parallel to
The cambered surface line face of the edge of the shaft and the sealing element cooperates；
The baffle is fixedly connected with the shaft, and the both ends of the shaft pass through at least one described bearing rotation respectively
The opposing sidewalls of the shell are connected to, the shaft extends to outside the shell；
The driving mechanism include motor, lead screw, sliding block, push-pull rod and with the one-to-one transmission mechanism of the shaft；
The sliding block and the threads of lead screw cooperate, and the lead screw is fixedly connected with the main shaft of the motor, the push-and-pull
Bar is flexibly connected with the outer wall of the shell so that the push-pull rod reciprocally moves along a straight line, one end of the push-pull rod with it is described
Sliding block connection；The transmission mechanism is used to convert the linear reciprocating motion of the push-pull rod to the rotary motion of the shaft.
Optionally, the section at the edge of the sealing is tapered, the cone angle of the taper and the sealing element
The cooperation of cambered surface line face.
Optionally, by the center of circle of the axial line of the baffle and with the shortest distance of the cone angle and the axial line for partly
The circle of diameter intersects with the cambered surface.
Optionally, the sealing element includes generally U-shaped seal body, and the seal body has interval setting
Two removable walls, be activity space between two removable walls, the activity space fills flexible high temperature resistant filler.
Optionally, the motor is stepper motor.
Optionally, the transmission mechanism includes the guide sleeve and guide rod of turntable and activity cooperation, and the turntable is coaxial
Be connected to the end of the shaft, the guide sleeve is arranged perpendicular to the push-pull rod, one end of the guide rod with described turn
Disk activity connection.
Optionally, the guide rod is L-shaped, and the edge of the turntable is provided with mounting hole, and one end of the guide rod is living
Dynamic to be set in the mounting hole, the other end activity of the guide rod is embedded in the axial hole of the guide sleeve.
Optionally, the transmission mechanism includes intermeshing outer tooth disk and rack gear, and the outer tooth disk and the shaft are same
Axis connection, the rack gear are fixed on the lateral wall of the push-pull rod and are arranged along the length direction of the push-pull rod.
Beneficial effects of the present invention:
Damper sealing structure of the invention is corrosion-resistant, high temperature resistant, long service life.When with baffle fit, sealing element
It can be squeezed and deform slightly, cooperate sealing element and guard seal, good airproof performance.The baffle of damper sealing structure and
Sealing element is more much smaller than the contact area of traditional plane-plane contact, therefore linear sealing component is influenced than face contact sealing by operating condition
Small, sealing performance is relatively reliable.
Detailed description of the invention
Fig. 1 is the schematic diagram of damper sealing structure of the invention；
Fig. 2 is the side schematic view of damper sealing structure of the invention；
Fig. 3 is the schematic diagram of baffle and sealing element of the invention；
Fig. 4 is the schematic diagram that baffle of the invention is in close state.
In figure: 1- shell；2- baffle；3- sealing element；4- bearing；5- shaft；6- driving mechanism；7- medium runner；8- is close
Envelope portion；9- cambered surface；10- motor；11- lead screw；12- sliding block；13- push-pull rod；14- transmission mechanism；15- seal body；16- is living
Dynamic wall；17- elasticity high temperature resistant filler；18- turntable；19- guide sleeve；20- guide rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 4 is please referred to, the present invention provides a kind of technical solution:
A kind of damper sealing structure, comprising: shell 1, sealing element 3, bearing 4, shaft 5, is used to drive gear baffle 2
The driving mechanism 6 that plate 2 rotates.
Further, shell 1 has medium runner 7, and baffle 2 and sealing element 3 are all set in medium runner 7, sealing element 3
Quantity be at least 2, each baffle 2 is set between adjacent 2 sealing elements 3.Medium runner 7 is for medium flow fields such as flue gases
It crosses.Baffle 2 has the sealing 8 for being parallel to shaft 5, and sealing 8 is equivalent to the elongate configuration for being set to the edge of baffle 2, close
Envelope portion 8 is integrally formed or is detachably connected with baffle 2.Sealing element 3 has the cambered surface 9 cooperated with sealing 8, and baffle 2 is put down
Row cooperates in the edge of shaft 5 and the 9 line face of cambered surface of sealing element 3.
Baffle 2 is fixedly connected with shaft 5, and the both ends of shaft 5 pass through at least one bearing 4 respectively and are rotationally connected with shell 1
Opposing sidewalls, one end of shaft 5 extends to outside shell 1.It is possible to further be arranged bearing block outside shell, and by bearing 6
It is installed on bearing block.And existing dynamic sealing technology can be used between shaft 5 and shell 1, realize dynamic sealing.
Driving mechanism 6 include motor 10, lead screw 11, sliding block 12, push-pull rod 13 and with the one-to-one transmission mechanism of shaft 5
14。
Sliding block 12 is threadedly engaged with lead screw 11, and lead screw 11 is fixedly connected with the main shaft of motor 10, push-pull rod 13 and shell 1
Outer wall is flexibly connected so that push-pull rod 13 reciprocally moves along a straight line, and one end of push-pull rod 13 is connect with sliding block 12；Transmission mechanism 14
For converting the linear reciprocating motion of push-pull rod 13 to the rotary motion of shaft 5.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that the edge of sealing 8
Section is tapered, and the cone angle of taper and the 9 line face of cambered surface of sealing element 3 cooperate.
Further, sealing 8 and the ontology of baffle 2 are detachably connected, and sealing 8 uses ceramic material.
In this way, sealing 8 is made using ceramic material, high temperature resistant even if damper sealing structure of the invention is used for flue, and
And ceramic material hardness is far longer than media particle hardness, its 8 corrosion resistance of sealing is made to effectively improve；Due to solid on valve body
Surely embedded ceramic ring outer end section is conical design, so that sealing area is minimum close to linear sealing, thus air door opens
Few media have obtained reliable guarantee by clip pad, air door operation leakproofness during closing.Sealing 8 is easily replaced, repairs, and has
Effect reduces production cost.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that with the axial line of baffle 2
Intersect for the center of circle and using cone angle with the shortest distance of axial line as the circle of radius and cambered surface 9.
Further, a part of cambered surface 9 is located at the inside of circle, and another part is located at the outside of circle.Cambered surface 9 is understood that
For a part of the inner wall of cylindrical structure, rather than a part of spherical surface.Such cambered surface 9 can be close with the edge of baffle 2
Envelope cooperation.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that sealing element 3 includes substantially
U-shaped seal body 15, seal body 15 have spaced two removable walls 16, are between two removable walls 16
Activity space, activity space fill flexible high temperature resistant filler 17.
Existing sealing element 3 otherwise be elastic washer or be complete hard material.Elastic washer, such as the material of rubber
Made of material, it is difficult to be suitable for hot environment, poor corrosion resistance.Sealing element 3 made of hard material, it is easy to wear, due to needing
It accurately processes, can just make it have higher leakproofness, difficulty of processing is big.And present invention firstly provides this hard materials
The sealing element 3 that material and elastic material combine.The main structure of sealing element 3 can be stainless steel production, make two removable wall 16
With certain elastic free degree, elastic deformation can occur in a certain range.Elastic high temperature resistant filler 17 itself has bullet
Property, it is arranged between two removable walls 16 as resilient support.Such sealing element 3 has certain deformability on the whole, and
And corrosion-resistant, high temperature resistant, long service life.When cooperating with baffle 2, it can be squeezed and deform slightly, make sealing element 3 and baffle
2 sealing cooperations, good airproof performance.
In the preferred embodiment, removable wall 16 is located at the direction away from medium of sealing element 3, and towards medium
The side of flow direction is provided with bulge-structure.Such as in Fig. 3, bulge-structure is located at the left side, and removable wall 16 is located at the right.Two work
Elastic high temperature resistant filler 17 between dynamic wall 16 not will receive the direct impact of medium, can prolong the service life.Moreover, raised
Structure has shunting function, reduces direct impact of the medium to sealing element 3.Further, convex in the preferred embodiment of the present invention
Playing structure tool, there are two connected inclined-planes.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that motor 10 is stepping electricity
Machine.Stepper motor is the opened loop control element that electric impulse signal is changed into angular displacement or displacement of the lines.In the case where non-overload,
The revolving speed of motor, the position of stopping are solely dependent upon the frequency and umber of pulse of pulse signal, without being influenced by load variation, work as step
As soon as receiving a pulse signal into driver, it drives stepper motor to rotate a fixed angle by the direction of setting, claims
For " step angle ", its rotation is run step by step with fixed angle.It can be by control pulse number come pilot angle
Displacement, to achieve the purpose that accurate positionin；Simultaneously can by control pulse frequency come control motor rotation speed and
Acceleration, to achieve the purpose that speed regulation.Step motor control precision is high, can easily adjust it and rotate angle, Jin Ergeng
It is accurately controlled the aperture of baffle 2.
Lead screw and sliding block form a lead screw pair, and when stepper motor cooperates lead screw pair, lead screw pair first turns rotary motion
Linear reciprocating motion is turned to, then the rotary motion of shaft is converted by transmission mechanism by linear reciprocating motion.Whole transmission
Efficiency decreases, but transmission accuracy greatly improves.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that transmission mechanism 14 includes turning
Disk 18 and the guide sleeve 19 and guide rod 20 of activity cooperation, the coaxially connected end in shaft 5 of turntable 18, guide sleeve 19 are vertical
It is arranged in push-pull rod 13, one end of guide rod 20 is flexibly connected with turntable 18.When work, push-pull rod 13 does linear reciprocating motion,
Guide sleeve 19 and guide rod 20 move together.Since guide rod 20 is movably installed in guide sleeve 19, guide sleeve 19 pushes guide rod
20 move along the length direction of push-pull rod 13.Meanwhile push-pull rod 13 is flexibly connected with turntable 18, guide rod 20 is along push-pull rod
When 13 length direction movement, turntable 18 can rotate, and when turntable 18 rotates, the company of turntable 18 and guide rod 20
The position of contact is changing, and moves closer to push-pull rod 13 or is gradually distance from push-pull rod 13.So guide sleeve 19 and guiding
Bar 20 movable must cooperate, and the axial line of preferably guide sleeve 19 is arranged perpendicular to push-pull rod 13, if guide sleeve 19
If axial line is excessive to tilt angle relative to the length originating party of push-pull rod 13, being easy to appear cannot push turntable 18 to occur to turn
Dynamic situation.Guide sleeve 19 is not necessarily exactly perpendicularly to the setting of push-pull rod 13, but deviation angle should not be too large.
The center point of turntable 18 is provided with mounting hole, and the end of shaft 5 passes through mounting hole, and passes through nut for 18 He of turntable
Shaft 5 is fixed together.As an alternative, turntable 18 can also be replaced with to a plate structure or a connecting rod,
Connecting rod is radially extended along shaft 5.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that guide rod 20 is L-shaped, turns
The edge of disk 18 is provided with mounting hole, and one end of guide rod 20 is movably set in mounting hole, the other end activity of guide rod 20
It is embedded in the axial hole of guide sleeve 19.
In order to make this damper sealing structure preferably work, in the present embodiment, it is preferred that transmission mechanism 14 includes phase
The outer tooth disk and rack gear mutually engaged, outer tooth disk and shaft 5 are coaxially connected, and rack gear is fixed on the lateral wall of push-pull rod 13 and along pushing away
The length direction of pull rod 13 is arranged.
The working principle of the invention and process for using: in use, driving lead screw 11 to rotate by motor 10, pass through lead screw 11
With the cooperation of sliding block 12, the rotary motion of lead screw 11 is converted to linear reciprocating motion by sliding block 12.The screw thread of lead screw 11 it is fine
The precision degree of the adjustable valve opening of degree.Sliding block 12 imparts power to push-pull rod 13, does push-pull rod 13 also back and forth
Linear motion, push-pull rod 13 can drive turntable 18 to rotate a certain angle under the action of transmission mechanism 14, and then adjust gear
The aperture of plate 2.The damper sealing structure that Fig. 3 show the present embodiment is in the state opened, baffle 2 and sealing element 3 that
This separation.The damper sealing structure that Fig. 4 show the present embodiment is in the state closed, the edge and sealing element 3 of baffle 2
Cambered surface 9 in line face cooperate.In other words, the baffle 2 and sealing element 3 of the damper sealing structure of the present embodiment are than traditional
The contact area of plane-plane contact is much smaller, therefore 8, linear sealing portion seals than face contact and influenced by operating condition small, and sealing performance is more
Add reliable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of damper sealing structure characterized by comprising shell, baffle, sealing element, bearing, shaft, for driving
The driving mechanism of dynamic flapper；
The shell has medium runner, and the baffle and the sealing element are all set in the medium runner, the sealing
The quantity of part is at least 2, and between adjacent 2 sealing elements, the baffle has parallel each described baffle plate setting
In the sealing of the shaft, the sealing element has the cambered surface cooperated with the sealing, and being parallel to for the baffle is described
The cambered surface line face of the edge of the sealing of shaft and the sealing element cooperates；
The baffle is fixedly connected with the shaft, and the both ends of the shaft pass through at least one described bearing rotation connection respectively
In the opposing sidewalls of the shell, the shaft is extended to outside the shell；
The driving mechanism include motor, lead screw, sliding block, push-pull rod and with the one-to-one transmission mechanism of the shaft；
The sliding block and the threads of lead screw cooperate, and the lead screw is fixedly connected with the main shaft of the motor, the push-pull rod and
The outer wall of the shell is flexibly connected so that the push-pull rod reciprocally moves along a straight line, one end of the push-pull rod and the sliding block
Connection；The transmission mechanism is used to convert the linear reciprocating motion of the push-pull rod to the rotary motion of the shaft；
The sealing element includes generally U-shaped seal body, and the seal body has spaced two activities
Wall, is activity space between two removable walls, and the activity space fills flexible high temperature resistant filler；
The removable wall is located at the direction away from medium of sealing element, and the side towards medium flow direction is provided with bulge-structure,
Bulge-structure is located at the left side, and removable wall is located at the right, and flexible high temperature resistant filler is arranged between two removable walls, has and shunts
Effect bulge-structure reduces direct impact of the medium to sealing element, and there are two connected inclined-planes for the bulge-structure tool.
2. damper sealing structure according to claim 1, it is characterised in that: the edge of the sealing is cut
Face is tapered, and the cambered surface line face of the cone angle of the taper and the sealing element cooperates.
3. damper sealing structure according to claim 2, it is characterised in that: using the axial line of the baffle as the center of circle
And intersect using the cone angle with the shortest distance of the axial line as the circle of radius and the cambered surface.
4. damper sealing structure according to claim 1, it is characterised in that: the motor is stepper motor.
5. damper sealing structure according to claim 1, it is characterised in that: the transmission mechanism include turntable and
The guide sleeve and guide rod of activity cooperation, the coaxially connected end in the shaft of the turntable, the guide sleeve is perpendicular to institute
Push-pull rod setting is stated, one end of the guide rod is flexibly connected with the turntable.
6. damper sealing structure according to claim 5, it is characterised in that: the guide rod is L-shaped, the turntable
Edge be provided with mounting hole, one end of the guide rod is movably set in the mounting hole, the other end of the guide rod
Activity is embedded in the axial hole of the guide sleeve.
7. damper sealing structure according to claim 1, it is characterised in that: the transmission mechanism includes intermeshing
Outer tooth disk and rack gear, the outer tooth disk and the shaft are coaxially connected, and the rack gear is fixed on the lateral wall of the push-pull rod
And it is arranged along the length direction of the push-pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350023.9A CN107101004B (en) | 2017-05-17 | 2017-05-17 | A kind of damper sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350023.9A CN107101004B (en) | 2017-05-17 | 2017-05-17 | A kind of damper sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107101004A CN107101004A (en) | 2017-08-29 |
| CN107101004B true CN107101004B (en) | 2019-07-09 |
Family
ID=59669820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710350023.9A Active CN107101004B (en) | 2017-05-17 | 2017-05-17 | A kind of damper sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107101004B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210196A (en) * | 2020-12-28 | 2021-08-06 | 飞旭电子(苏州)有限公司 | Electronic scale display screen circuit encapsulation glue-pouring machine |
| CN113915604A (en) * | 2021-10-12 | 2022-01-11 | 安徽信息工程学院 | Debugging structure for air door baffle of boiler |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3656714A (en) * | 1970-12-03 | 1972-04-18 | Zurik Corp De | Valve seat retaining means and method of assembly and disassembly |
| JPS57179473A (en) * | 1981-04-30 | 1982-11-05 | Toshiba Corp | Valve unit for vacuum apparatus |
| US5707040A (en) * | 1995-10-12 | 1998-01-13 | Orbit Valve Company | Replaceable seal members for butterfly valve |
| CN202852000U (en) * | 2012-08-02 | 2013-04-03 | 中阀科技(长沙)阀门有限公司 | Double-directional metal rigidity sealing butterfly valve |
| CN103185146A (en) * | 2013-03-28 | 2013-07-03 | 北京欧特控制阀有限公司 | Center line sealed butterfly valve |
| CN206093001U (en) * | 2016-08-26 | 2017-04-12 | 建研科技发展（深圳）有限公司 | Blast gate that hundred lobate shaped formulas were easily adjusted |
-
2017
- 2017-05-17 CN CN201710350023.9A patent/CN107101004B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107101004A (en) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107101004B (en) | A kind of damper sealing structure | |
| CN110594442B (en) | DBB forced sealing valve and operating device | |
| CN111255904A (en) | Section-adjustable flow limiting valve | |
| CN210739396U (en) | Manual hard seal butterfly valve convenient to adjust | |
| CN104482253A (en) | Combined valve | |
| CN210153263U (en) | Adjusting ball valve capable of linearly controlling flow | |
| CN201090765Y (en) | Holder type aperture plate flow regulating valve | |
| CN209309371U (en) | A kind of portable compensates the floating ball valve of ball wear automatically | |
| CN205298659U (en) | Picture peg formula tee bend flow divider | |
| CN112096902B (en) | Linear motor and swing cylinder collaborative driving type valve core and valve seat separation type friction-free ball valve | |
| CN208886001U (en) | A kind of electronic bellows self-sealing sleeve adjusting valve | |
| CN203656245U (en) | Top-entry bidirectional sphere valve | |
| CN107575587A (en) | Dust butterfly valve | |
| CN209310467U (en) | A kind of dynamic plugging device when shaft furnace cloth | |
| CN107654674A (en) | A kind of valve with triangle seal configuration of adjustable easy care | |
| CN201420878Y (en) | Low hydraulic resistance track type plunger valve | |
| CN209262657U (en) | A kind of hydrophobic shut-off valve of novel high temperature and pressure | |
| CN206234455U (en) | Stop valve | |
| CN220581709U (en) | High-temperature butterfly valve | |
| CN205173529U (en) | Motor gearbox drive's sealing gate valve | |
| CN205173675U (en) | Hand wheel driven class valving | |
| CN218845146U (en) | Steam blowing type sealing butterfly valve | |
| CN110425297A (en) | A kind of high regulating ratio cock regulating valve | |
| CN204533555U (en) | A kind of valve | |
| CN105351567A (en) | Plate-insert three-way diverging valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |