CN110332365A - A kind of venturi valve - Google Patents
A kind of venturi valve Download PDFInfo
- Publication number
- CN110332365A CN110332365A CN201910616628.7A CN201910616628A CN110332365A CN 110332365 A CN110332365 A CN 110332365A CN 201910616628 A CN201910616628 A CN 201910616628A CN 110332365 A CN110332365 A CN 110332365A
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- Prior art keywords
- valve
- rod
- valve body
- adjusting rod
- vertebra
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- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 32
- 238000003032 molecular docking Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
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- 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
- F16K1/02—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 screw-spindle
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- 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
- F16K1/32—Details
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- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- 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
Abstract
The invention discloses a kind of venturi valves, it is related to venturi valve technical field, it includes valve body and is arranged in the intracorporal valve vertebra of valve, the side of valve body axial direction is fixedly installed support frame, valve rod is fixedly installed on support frame, the axial direction for being axially parallel to valve body of valve rod, valve rod wears valve vertebra and along valve rod, axially sliding cooperates with valve vertebra；Valve body is provided through adjusting rod along its axial side side wall, its position for running through body wall is rotatably arranged in the middle part of adjusting rod, and adjusting rod is provided with hinge bar between the intracorporal one end of valve and valve vertebra；It is provided on the outside of valve body for driving adjusting rod rotating drive part, is provided with seal assembly at adjusting rod and valve body rotation connection.The present invention, which has, can be avoided the case where valve rod is pushed out valve body generation, promote the applicability that venturi valve installs different installation spaces, and help to ensure that the advantages of venturi valve normally opens and closes operation.
Description
Technical field
The present invention relates to venturi valve technical fields, more particularly, to a kind of venturi valve.
Background technique
Venturi valve is the valve manufactured using the principle of Venturi effect, i.e. venturi control damper can be by gas
Flow control extends to highest level.
Existing utility model Authorization Notice No. is the Chinese patent of CN207893146U, it discloses a kind of venturi valve,
Venturi valve includes valve body, and connecting rod is arranged in valve body, and connecting rod connects adjusting rod, and adjusting rod connects regulating device, is arranged on connecting rod
First block and the second block, are arranged spool between the first block and the second block, spool may pass through the first block, the first block
At least two magnet are set between spool, and the same magnetic pole of two adjacent magnet is oppositely arranged.Support is arranged in the end of connecting rod
Structure, support construction include the strut connecting with cabinet, the link position setting slide opening of strut and connecting rod.
Using the above scheme, drive link and spool slide on the support structure with regulating device and adjusting rod, are
Connecting rod is prevented to be detached from support construction, longer length is often set in connecting rod；And one timing of body length, connecting rod is in support construction
Upper sliding will reach outside valve body.
At this point, the pipeline such as connecting with venturi valve is bend pipe, and connecting rod, which will stretch out valve body, to be held very much when installation space is limited
The side wall of bend pipe is easily contradicted, venturi valve would become hard to carry out normally to open and close operation, and there are places to be modified.
Summary of the invention
In view of the above technical problems, present invention aims at a kind of venturi valve is proposed, adjusting is successively driven by actuator
Bar and hinge bar, and valve vertebra is driven to slide on valve rod on the support frame is fixedly installed, so that valve rod be avoided to be pushed out valve body
The case where occur, promote the applicability installed to different installation spaces of venturi valve, and help to ensure that venturi valve is normal
Open and close operation.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of venturi valve, including valve body and setting are in the intracorporal valve vertebra of valve, which is characterized in that the valve body axial direction
Side is fixedly installed support frame, and valve rod, the axis for being axially parallel to valve body of the valve rod are fixedly installed on support frame as described above
To the valve rod wears valve vertebra and along valve rod, axially sliding cooperates with valve vertebra；The valve body runs through along its axial side side wall
It is provided with adjusting rod, its position for running through body wall is rotatably arranged in the middle part of the adjusting rod, the adjusting rod is in valve body
Hinge bar is provided between interior one end and valve vertebra, one end of the hinge bar is hinged on adjusting rod in the intracorporal one end of valve, institute
The other end for stating hinge bar is hinged on valve vertebra close to the side of adjusting rod；It is provided on the outside of the valve body for driving adjusting rod
Seal assembly is provided at the actuator of rotation, the adjusting rod and valve body rotation connection.
By using above-mentioned technical proposal, in real work, adjusting rod and hinge bar are successively driven by actuator, and drive
Valve vertebra slides on valve rod on the support frame is fixedly installed, so that the case where avoiding valve rod from being pushed out valve body generation, promotes text
The applicability that valve installs different installation spaces in mound, and help to ensure that venturi valve normally opens and closes operation.Also, pass through
Seal assembly occurs to the case where being sealed at adjusting rod and valve body rotation connection, reduce venturi valve gas leakage.
The present invention is further arranged to: being fixedly installed installation along the side of valve body axial direction in adjusting rod on the outside of the valve body
Frame, rotation is provided with rotation seat on the mounting rack, and one end rotation of the adjusting rod on the outside of valve body is provided with rotating block, institute
Stating actuator is handle screw, and side of the handle screw from rotation seat far from adjusting rod turns through rotation seat and with rotation seat
The end of dynamic cooperation, the handle screw extends through rotating block, and the handle screw and rotating block screw thread to rotating block
Cooperation.
By using above-mentioned technical proposal, in real work, staff can with rotational handle screw rod, drive adjusting rod and
Hinge bar, and valve vertebra is driven to slide on valve rod on the support frame is fixedly installed, to realize the tune to valve vertebra on valve rod
Operation is saved, and facilitates staff that operation is adjusted to valve vertebra.
The present invention is further arranged to: screw thread is equipped with fixing bolt, the end of the fixing bolt on the rotating block
It is pushed against on handle screw.
By using above-mentioned technical proposal, when staff to valve vertebra after adjusting operation, staff can be
Fixing bolt is rotated on rotating block, and the end of fixing bolt is made to push against handle screw, to carry out on valve rod to valve vertebra
It is fixed, help to ensure that the stability of valve vertebra in venturi valve use process, and help to ensure that venturi valve normally opens and closes
Operation.
The present invention is further arranged to: the seal assembly includes the sealing of seal disc and the fixed setting of valve body junction
Seat, the seal disc embedding sealing seat, the seal disc is rotatable around its axis to be arranged on seal receptacle, and the adjusting rod is through close
Closing disk is simultaneously fixed with seal disc, and the adjusting rod is rotatably arranged on valve body by seal disc.
By using above-mentioned technical proposal, it is rotatablely connected by seal disc embedding sealing seat and with seal receptacle, on the one hand, guarantee
The normal rotation operation of adjusting rod；On the other hand, it is rotatably assorted by seal disc and seal receptacle, and larger with seal receptacle by seal disc
Contact area, poppet body reduce the feelings that adjusting rod loses heart with valve body junction in the leakproofness of adjusting rod and valve body junction
Condition occurs.
The present invention is further arranged to: the adjusting rod is provided with limiting slot in the intracorporal side of valve, and the valve rod is worn
Limiting slot.
By using above-mentioned technical proposal, in real work, since limiting slot is along the two sidewalls of adjusting rod length direction point
Not Wei Yu valve rod two sides, on the one hand, the slewing area of adjusting rod is limited, reduce to adjusting rod and valve vertebra overexercise
The case where occur, reduce the adjusting operation moved to adjusting rod and valve vertebra idle travel, facilitate staff to the venturi valve
Folding operation；On the other hand, valve rod is worn into limiting slot, adjusting rod and hinge bar hinged place will be located at valve rod far from adjusting rod
With the side of valve body junction, when valve vertebra opens and closes valve channel, length direction and the valve rod axial direction of hinge bar
Between angle power maximum that is minimum, and making hinge bar give valve vertebra along valve rod axial direction, thus help to ensure that valve vertebra to valve body
Leakproofness and stability under the closed state of channel help to ensure that venturi valve opening state lower valve vertebra is strong to following for air-flow
Degree promotes the stability of venturi valve opening state lower valve vertebra.
The present invention is further arranged to: fixing sleeve is equipped with the first sealing ring on the valve vertebra.
By using above-mentioned technical proposal, fixation is arranged the first sealing ring on valve vertebra, when valve vertebra carries out valve channel
When closure, the first sealing ring will be connected on the inner wall of valve channel, to promote venturi valve closed state lower valve vertebra to valve
The leakproofness in body channel.
The present invention is further arranged to: the middle part of the valve interior wall is coaxially fixedly installed the second sealing ring, and described
One sealing ring and the second sealing ring side close to each other are provided with docking inclined-plane.
By using above-mentioned technical proposal, when valve vertebra is closed valve channel, the first sealing ring and the second sealing
The docking inclined-plane of circle will be pushed against mutually, to further promote sealing of the venturi valve closed state lower valve vertebra to valve channel
Property.
The present invention is further arranged to: support frame as described above is each provided with one along the two sides of valve body axial direction in valve vertebra, described
The both ends of valve rod respectively correspond to be detachably fixed and be connected on two support frames as described above, and support frame as described above is detachably secured to valve body
On.
By using above-mentioned technical proposal, on the one hand, support valve rod by two seat supports framves, help to ensure that valve rod in valve body
Interior stability；On the other hand, support frame is detachably secured on valve body, the both ends of valve rod is respectively corresponded and are detachably fixed
It is connected on two support frames, to facilitate installation production operation of the staff to venturi valve.
The present invention is further arranged to: support frame as described above includes support rod and support base, and one end of the support rod is fixed
On support base, the other end of the support rod is locked on valve interior wall by bolt, and the support rod is in support base week
Side uniform intervals are provided with more.
By using above-mentioned technical proposal, support base and support rod are locked on the inner wall of valve body by bolt, on the one hand,
Influence of the support frame to venturi valve ventilating is reduced, guarantees the normal ventilating of venturi valve；On the other hand, branch is realized
Being detachably fixed between support and valve body further facilitates installation production operation of the staff to venturi valve.
The present invention is further arranged to: any support rod is laterally away from the one of valve vertebra from close to the one of valve interior wall
Side is obliquely installed, and the both ends of the valve rod respectively correspond screw thread and wear two support bases.
By using above-mentioned technical proposal, any support rod is laterally away from valve vertebra from close to the one of valve interior wall
Side be obliquely installed, and tensed by valve rod, so that reducing support frame causes support frame in wind beam pressure power and valve vertebra movement pulling force
The case where deformation, occurs, and helps to ensure that the stability of support frame and valve rod, guarantees what valve vertebra opened and closed valve channel indirectly
Precision.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) adjusting rod and hinge bar are successively driven by actuator, and drives the valve rod of valve vertebra on the support frame in fixed setting
Upper sliding, so that the case where avoiding valve rod from being pushed out valve body generation, promotes venturi valve and be applicable in different installation space installations
Property, and help to ensure that venturi valve normally opens and closes operation；
(2) adjusting rod rotation and fixing bolt is driven to lock rotating block by the adjusting bolt being rotatably arranged on rotation seat
Tightly on adjusting bolt, and valve rod is worn into limiting slot and is arranged, opened and closed to greatly promote valve vertebra in venturi valve
Stability under working condition；
(3) the first sealing ring and the second sealing ring mating reaction are utilized, greatly promotes venturi valve closed state lower valve vertebra to valve
The leakproofness in body channel；
(4) two support bases are worn by the way that the both ends of valve rod are respectively corresponded screw thread, and support rod is locked by bolt and nut
It is fixed on valve body, to greatly facilitate installation production operation of the staff to venturi valve；
(5) by the way that valve rod fixation to be erected between two support bases, and by any support rod from the side close to valve interior wall
It is obliquely installed to the side far from valve vertebra, thus helps to ensure that the stability of valve rod, and help to ensure that valve vertebra on valve rod
The stability of sliding helps to ensure that the precision that valve vertebra is closed valve channel.
Detailed description of the invention
Fig. 1 is the integrally-built axonometric schematic diagram of the present embodiment major embodiment venturi valve；
Fig. 2 is the enlarged drawing of the part Fig. 1 A, the structure of major embodiment mounting rack and seal assembly；
Fig. 3 is the enlarged drawing of the part Fig. 1 B, the structure of major embodiment limiting slot；
Fig. 4 is the complete section schematic diagram of the present embodiment major embodiment venturi valve structure；
Fig. 5 is the enlarged drawing of Fig. 4 Local C, the structure of major embodiment the first sealing ring and the second sealing ring.
Appended drawing reference: 1, valve body；11, channel is opened and closed；12, mounting rack；121, rotation seat；13, the second sealing ring；14, right
Connect inclined-plane；2, valve vertebra；21, sliding sleeve；22, the first sealing ring；3, support frame；31, support rod；32, support base；4, valve rod；5, it adjusts
Pole；51, hinge bar；52, rotating block；521, fixing bolt；53, limiting slot；6, handle screw；7, seal assembly；71, it seals
Disk；72, seal receptacle.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not only
It is limited to this.
Embodiment:
Referring to Fig. 1 and Fig. 2, a kind of venturi valve, including valve body 1 and the valve vertebra 2 being arranged in valve body 1.Valve body 1 is in cylinder
Shape, the axial mid diameter of valve body 1 is slightly less than the diameter of its axial sides, and the middle part of valve body 1 is formed with folding channel 11.
It is removably fixed with support frame 3 along its axial two sides in valve body 1, is detachably fixed between two seat supports framves 3 and is connected with valve
Bar 4, the axis of valve rod 4 are axial conllinear with valve body 1.Valve vertebra 2 is coaxially fixedly installed sliding sleeve 21, and valve rod 4 coaxially wears cunning
Set 21 simultaneously slides cooperation with sliding sleeve 21.Valve body 1 is provided through adjusting rod 5 along the side wall of its axial side, and adjusting rod 5 is located at
Between two seat supports framves 3, the middle part of adjusting rod 5 is rotatably arranged on its position for running through 1 side wall of valve body.Adjusting rod 5 is in valve body 1
One end and valve vertebra 2 between be provided with hinge bar 51, one end of hinge bar 51 is hinged on the one end of adjusting rod 5 in valve body 1, hinge
The other end of extension bar 51 is hinged on sliding sleeve 21 close to the side of adjusting rod 5.The outside of valve body 1 is provided with for driving adjusting rod 5
The handle screw 6 of rotation.Seal assembly 7 is provided at adjusting rod 5 and 1 rotation connection of valve body.
In real work, adjusting rod 5 and hinge bar 51 are successively driven by handle screw 6, and valve vertebra 2 is driven to be fixedly installed
It is slid on the valve rod 4 on support frame 3, folding control is carried out to folding channel 11, so that valve rod 4 be avoided to be pushed out valve body 1
It happens.Also, by seal assembly 7 to being sealed at adjusting rod 5 and 1 rotation connection of valve body, venturi valve leakage is reduced
The case where gas, occurs.
Referring to Fig. 1 and Fig. 2,1 outside of valve body is fixedly installed mounting rack 12 along the axial side of valve body 1 in adjusting rod 5, pacifies
It shelves rotation on 12 and is provided with rotation seat 121, one end rotation of the adjusting rod 5 in 1 outside of valve body is provided with rotating block 52, handle spiral shell
Side of the bar 6 from rotation seat 121 far from adjusting rod 5 is rotatably assorted through rotation seat 121 and with rotation seat 121, handle screw 6
End extends through rotating block 52 to rotating block 52, and handle screw 6 is threadedly engaged with rotating block 52.It is separate on rotating block 52
The side screw thread of adjusting rod 5 is equipped with fixing bolt 521, and the end of fixing bolt 521 is pushed against on handle screw 6.It is practical
In work, staff can drive adjusting rod 5 and hinge bar 51, and valve vertebra 2 is driven to be fixedly installed with rotational handle screw rod 6
It is slid on the valve rod 4 on support frame 3, folding operation is carried out to venturi valve.When staff is complete in adjusting operation to valve vertebra 2
Bi Hou can rotate fixing bolt 521 on rotating block 52, and the end of fixing bolt 521 is made to push against handle screw 6, from
And valve vertebra 2 is fixed on valve rod 4.
Seal assembly 7 includes the seal receptacle 72 of seal disc 71 and the fixed setting of 1 junction of valve body, 71 embedding sealing of seal disc
Seat 72, and the setting rotatable around its axis of seal disc 71, on seal receptacle 72, the rotation of seal receptacle 72 is axially perpendicular to the axis of valve body 1
To.Adjusting rod 5 is through seal disc 71 and fixed with seal disc 71, and adjusting rod 5 is rotatably arranged on valve body 1 by seal disc 71
On.It is rotatablely connected 71 embedding sealing seat 72 of seal disc and with seal receptacle 72, on the one hand, guarantee that adjusting rod 5 normally make by rotation
Industry；On the other hand, it is rotatably assorted by seal disc 71 and seal receptacle 72, and by seal disc 71 and 72 large contact area of seal receptacle,
Leakproofness of the poppet body 1 in adjusting rod 5 and 1 junction of valve body.
Referring to Fig. 1 and Fig. 3, adjusting rod 5 is worn being provided with limiting slot 53, valve rod 4 close to it with 51 hinged end of hinge bar
Limiting slot 53.In real work, since limiting slot 53 is located at along the two sidewalls of 5 length direction of adjusting rod the two sides of valve rod 4,
On the one hand, the slewing area of adjusting rod 5 is limited, the case where adjusting rod 5 and valve 2 overexercise of vertebra occurs for reduction, subtracts
Few adjusting operation moved to adjusting rod 5 and 2 idle travel of valve vertebra, facilitates folding operation of the staff to the venturi valve；
On the other hand, valve rod 4 is worn into limiting slot 53, adjusting rod 5 and 51 hinged place of hinge bar will be located at valve rod 4 far from adjusting rod 5 with
The side of 1 junction of valve body, when valve vertebra 2 opens and closes 1 channel of valve body, the length direction and 4 axis of valve rod of hinge bar 51
Angle between is minimum, and hinge bar 51 is made to give valve vertebra 2 the power maximum axial along valve rod 4, thus helps to ensure that valve
Vertebra 2 helps to ensure that venturi valve opening state lower valve vertebra 2 is right to the leakproofness and stability under 1 channel closed state of valve body
Air-flow follows intensity, promotes the stability of venturi valve opening state lower valve vertebra 2.
Referring to fig. 4 and Fig. 5, to guarantee valve vertebra 2 under venturi valve closed state to the leakproofness in folding channel 11, valve vertebra
Fixing sleeve is equipped with the first sealing ring 22 on 2, and close passage inner wall is coaxially fixedly installed the second sealing ring 13, the first sealing ring 22
Side close to each other is provided with docking inclined-plane 14 with the second sealing ring 13.When valve vertebra 2 is closed 1 channel of valve body,
The docking inclined-plane 14 of first sealing ring 22 and the second sealing ring 13 will be pushed against mutually.
Referring to Fig. 3 and Fig. 4, support frame 3 includes support rod 31 and support base 32, and one end of support rod 31 is fixed on support base
On 32, between the other end of support rod 31 is locked on 1 inner wall of valve body by bolt, and support rod 31 is uniform in 32 side of support base
Every being provided with four.Any support rod 31 is obliquely installed from the side for being laterally away from valve vertebra 2 close to 1 inner wall of valve body, valve
The both ends of bar 4 respectively correspond screw thread and wear two support bases 32.By any support rod 31 from the side close to 1 inner wall of valve body
It is obliquely installed to the side far from valve vertebra 2, and is tensed by valve rod 4, moved to reduce support frame 3 in wind beam pressure power and valve vertebra 2
The case where pulling force causes support frame 3 to deform.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of venturi valve, including valve body (1) and the valve vertebra (2) being arranged in valve body (1), which is characterized in that the valve
The side of body (1) axial direction is fixedly installed support frame (3), is fixedly installed on support frame as described above (3) valve rod (4), described
The axial direction for being axially parallel to valve body (1) of valve rod (4), the valve rod (4) wear valve vertebra (2) and with valve vertebra (2) along valve rod (4) axis
Cooperate to sliding；
The valve body (1) is provided through adjusting rod (5) along its axial side side wall, the middle part rotation of the adjusting rod (5)
It is arranged and runs through the position of valve body (1) side wall at it, the adjusting rod (5) is arranged between one end in valve body (1) and valve vertebra (2)
Have hinge bar (51), one end of the hinge bar (51) is hinged on the one end of adjusting rod (5) in valve body (1), the hinge bar
(51) the other end is hinged on the side of valve vertebra (2) close to adjusting rod (5)；
The actuator for driving adjusting rod (5) to rotate, the adjusting rod (5) and valve body are provided on the outside of the valve body (1)
(1) seal assembly (7) are provided at rotation connection.
2. a kind of venturi valve according to claim 1, which is characterized in that on adjusting rod (5) edge on the outside of the valve body (1)
The side of valve body (1) axial direction is fixedly installed mounting rack (12), and rotation is provided with rotation seat (121) on the mounting rack (12),
One end rotation of the adjusting rod (5) on the outside of valve body (1) is provided with rotating block (52), and the actuator is handle screw (6),
The handle screw (6) from rotation seat (121) far from adjusting rod (5) side through rotation seat (121) and with rotation seat (121)
It is rotatably assorted, the end of the handle screw (6) extends through rotating block (52) to rotating block (52), and the handle screw
(6) it is threadedly engaged with rotating block (52).
3. a kind of venturi valve according to claim 2, which is characterized in that screw thread is equipped with solid on the rotating block (52)
Determine bolt (521), the end of the fixing bolt (521) is pushed against on handle screw (6).
4. a kind of venturi valve according to claim 1, which is characterized in that the seal assembly (7) includes seal disc
(71) seal receptacle (72) being fixedly installed with valve body (1) junction, seal disc (71) the embedding sealing seat (72), the sealing
Disk (71) is rotatable around its axis to be arranged on seal receptacle (72), and the adjusting rod (5) is through seal disc (71) and and seal disc
(71) fixed, and the adjusting rod (5) is rotatably arranged on valve body (1) by seal disc (71).
5. a kind of venturi valve according to claim 1, which is characterized in that the adjusting rod (5) in valve body (1) one
Side is provided with limiting slot (53), and the valve rod (4) wears limiting slot (53).
6. a kind of venturi valve according to claim 1, which is characterized in that fixing sleeve is equipped with first on the valve vertebra (2)
Sealing ring (22).
7. a kind of venturi valve according to claim 6, which is characterized in that the middle part of valve body (1) inner wall is coaxially solid
Surely it is provided with the second sealing ring (13), first sealing ring (22) and the second sealing ring (13) side close to each other are respectively provided with
There are docking inclined-plane (14).
8. a kind of venturi valve according to claim 1, which is characterized in that support frame as described above (3) is in valve vertebra (2) along valve body
(1) axial two sides are each provided with one, and the both ends of the valve rod (4), which respectively correspond to be detachably fixed, is connected to two supports
On frame (3), and support frame as described above (3) is detachably secured on valve body (1).
9. a kind of venturi valve according to claim 8, which is characterized in that support frame as described above (3) includes support rod (31)
It is fixed on support base (32) with one end of support base (32), the support rod (31), the other end of the support rod (31) is logical
It crosses bolt to be locked on valve body (1) inner wall, and the support rod (31) is provided with more in support base (32) side uniform intervals.
10. a kind of venturi valve according to claim 9, which is characterized in that any support rod (31) is from close
One side for being laterally away from valve vertebra (2) of valve body (1) inner wall is obliquely installed, and the both ends of the valve rod (4) respectively correspond screw thread and wear
If two support bases (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616628.7A CN110332365B (en) | 2019-07-09 | 2019-07-09 | Venturi valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616628.7A CN110332365B (en) | 2019-07-09 | 2019-07-09 | Venturi valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332365A true CN110332365A (en) | 2019-10-15 |
| CN110332365B CN110332365B (en) | 2024-02-20 |
Family
ID=68145018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910616628.7A Active CN110332365B (en) | 2019-07-09 | 2019-07-09 | Venturi valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332365B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992830A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle air speed adjusting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114992830A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle air speed adjusting method |
| CN114992830B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
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