CN210770308U - Ventilation butterfly valve - Google Patents
Ventilation butterfly valve Download PDFInfo
- Publication number
- CN210770308U CN210770308U CN201921876658.3U CN201921876658U CN210770308U CN 210770308 U CN210770308 U CN 210770308U CN 201921876658 U CN201921876658 U CN 201921876658U CN 210770308 U CN210770308 U CN 210770308U
- Authority
- CN
- China
- Prior art keywords
- plate
- valve
- butterfly
- sealing
- butterfly plate
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a ventilation butterfly valve, including valve gap and threaded rod, the inside of valve gap is provided with bevel gear group, and bevel gear group's right-hand member is connected with the governing valve, bevel gear group's lower extreme is connected with the axis of rotation, and the lower extreme of axis of rotation is fixed with the ring flange, the inside of ring flange is fixed with the butterfly plate, and the left end of butterfly plate is connected with the seal valve, the threaded rod sets up in the inside middle-end of butterfly plate, the inside lower extreme of butterfly plate is connected with the bearing post. This ventilation butterfly valve is provided with the threaded rod, and the threaded rod is connected respectively in two closing plates to the inside of closing plate is provided with the opposite screw thread of line, can control two closing plate relative movement simultaneously like this, and the closing plate is adjusted and is in time taken off the sealing valve after accomplishing, in order to avoid influencing the butterfly plate rotation, and this neotype sealing performance not only can not be influenced in such design, and the threaded rod can play the effect of braced frame moreover, makes the butterfly plate have higher compressive capacity.
Description
Technical Field
The utility model relates to a ventilation butterfly valve device technical field specifically is a ventilation butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member (valve clack or butterfly plate) as a disc and rotating around a valve shaft to open and close.
The ventilation butterfly valve in the market has no sealing assembly or the sealing assembly is not durable in a high-temperature environment, so that the sealing effect of the ventilation butterfly valve is poor, the butterfly plate is thin, and the pressure resistance is weak.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation butterfly valve to the ventilation butterfly valve that provides in solving above-mentioned background art does not have seal assembly or seal assembly not durable under high temperature environment, leads to the sealed effect of ventilation butterfly valve poor, and the butterfly plate is thinner, the weak problem of compressive capacity.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ventilation butterfly valve, includes valve gap and threaded rod, the inside of valve gap is provided with bevel gear group, and bevel gear group's right-hand member is connected with the governing valve, bevel gear group's lower extreme is connected with the axis of rotation, and the lower extreme of axis of rotation is fixed with the ring flange, the inside of ring flange is fixed with the butterfly plate, and the left end of butterfly plate is connected with the seal valve, the threaded rod sets up in the inside middle-end of butterfly plate, the inside lower extreme of butterfly plate is connected with the bearing post.
Preferably, the ring flange includes screw hole, seal groove and sealing strip, and the one end that the ring flange is close to the valve gap is provided with the screw hole, the outside outward appearance wall of ring flange is provided with the seal groove, and the inside and outside both sides of ring flange all are provided with the sealing strip.
Preferably, the number of the sealing strips is two, and the sealing strips are symmetrical with each other about a vertical central axis of the flange plate.
Preferably, the butterfly plate comprises a reinforcing strip, a square hole groove and a sealing plate, the reinforcing strip is arranged on the surface wall of the inner side and the outer side of the butterfly plate, the square hole groove is formed in the middle end of the left side of the butterfly plate, and the sealing plate is connected inside the butterfly plate.
Preferably, the butterfly plate is internally of a hollow structure, and the internal shape structure of the butterfly plate is matched with the external shape structure of the sealing plate.
Preferably, the sealing valve is movably connected with the threaded rod, and the external shape structure of the butterfly plate is matched with the internal shape structure of the flange plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the ventilation butterfly valve is provided with the sealing strips, and the sealing strips are respectively arranged at the right end and the left end of the inner side and the outer side of the flange plate, so that the design cannot be influenced, the rotation of the butterfly plate is avoided, and when the butterfly plate is closed, the sealing strips can seal the joint between the butterfly plate and the flange plate to prevent air leakage, so that the novel sealing effect can be greatly improved;
2. two semicircular sealing plates are arranged inside the butterfly plate, the sealing plates can move left and right in the butterfly plate within a certain range, and when the sealing plates move towards two sides, the sealing plates can be embedded into the sealing grooves and matched with the sealing strips, so that gas leakage can be effectively prevented, and the defect of poor sealing effect of a metal material can be effectively overcome;
3. the utility model discloses a novel seal structure of seal valve and threaded rod, the seal valve is convenient for adjust this neotype seal structure, the threaded rod is connected respectively in two closing plates to the inside of closing plate is provided with the opposite screw thread of line, can two closing plates of simultaneous control remove like this, in time take off the seal valve after the regulation is accomplished, can not influence the butterfly plate rotation like this, this neotype sealing performance not only can not be influenced in such design, the threaded rod can play the effect of braced frame moreover, makes the butterfly plate have higher compressive capacity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
fig. 3 is a schematic diagram of the sealing plate structure of the present invention.
In the figure: 1. a valve cover; 2. a bevel gear set; 3. adjusting a valve; 4. a rotating shaft; 5. a flange plate; 501. a threaded hole; 502. a sealing groove; 503. a sealing strip; 6. a butterfly plate; 601. reinforcing the strips; 602. a square hole groove; 603. a sealing plate; 7. a sealing valve; 8. a threaded rod; 9. a bearing post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a ventilation butterfly valve comprises a valve cover 1, a bevel gear set 2, a regulating valve 3, a rotating shaft 4, a flange plate 5, a threaded hole 501, a sealing groove 502, a sealing strip 503, a butterfly plate 6, a reinforcing strip 601, a square hole groove 602, a sealing plate 603, a sealing valve 7, a threaded rod 8 and a bearing column 9, wherein the bevel gear set 2 is arranged inside the valve cover 1, the right end of the bevel gear set 2 is connected with the regulating valve 3, the lower end of the bevel gear set 2 is connected with the rotating shaft 4, the flange plate 5 is fixed at the lower end of the rotating shaft 4, the butterfly plate 6 is fixed inside the flange plate 5, the sealing valve 7 is connected at the left end of the butterfly plate 6, the threaded rod 8 is arranged at the middle end inside the butterfly plate 6;
the flange 5 comprises a threaded hole 501, a sealing groove 502 and two sealing strips 503, the threaded hole 501 is formed in one end, close to the valve cover 1, of the flange 5, the sealing groove 502 is formed in the outer surface wall of the outer side of the flange 5, the sealing strips 503 are arranged on the inner side and the outer side of the flange 5, the two sealing strips 503 are arranged, the sealing strips 503 are symmetrical with each other about the vertical central axis of the flange 5, the sealing strips 503 are arranged on the right end and the left end of the inner side and the outer side of the flange 5 respectively, the design cannot affect the rotation of the butterfly plate 6, when the butterfly plate 6 is closed, the sealing strips 503 can seal the connection between the butterfly plate 6 and the flange 5 to prevent air leakage, and therefore the novel sealing effect can be greatly;
the butterfly plate 6 comprises a reinforcing strip 601, a square hole groove 602 and a sealing plate 603, the reinforcing strip 601 is arranged on the surface wall of the inner side and the outer side of the butterfly plate 6, the square hole groove 602 is arranged in the middle end of the left side of the butterfly plate 6, the sealing plate 603 is connected to the inner side of the butterfly plate 6, the inner side of the butterfly plate 6 is of a hollow structure, the inner shape structure of the butterfly plate 6 is matched with the outer shape structure of the sealing plate 603, two semicircular sealing plates 603 are arranged in the butterfly plate 6, the sealing plates 603 can move left and right in the butterfly plate 6 within a certain range, when the sealing plates 603 move towards the two sides, the sealing plates can be embedded into the sealing grooves 502, and the sealing strips 503 can effectively prevent gas leakage and effectively make up the defect of poor sealing effect of metal materials;
be swing joint between seal valve 7 and the threaded rod 8, the external shape structure of butterfly plate 6 is identical with the internal shape structure of ring flange 5, the swing joint of seal valve 7 and threaded rod 8 is convenient for adjust this neotype seal structure, threaded rod 8 connects respectively in two closing plates 603, and the inside of closing plate 603 is provided with the opposite screw thread of line, can two closing plates 603 of simultaneous control remove like this, in time take off seal valve 7 after the regulation is accomplished, can not influence the butterfly plate 6 rotation like this, this kind of design not only can not influence this neotype sealing performance, and threaded rod 8 can play the effect of braced frame, make butterfly plate 6 have higher compressive capacity.
The working principle is as follows: for the ventilation butterfly valve, firstly, the rotation angle of the butterfly plate 6 is determined according to the use environment, then the regulating valve 3 is rotated, the rotation effect is transmitted to the rotating shaft 4 through the bevel gear set 2, the butterfly plate 6 starts to rotate under the drive of the rotating shaft 4, at this moment, the novel ventilation can be completed, the ventilation quantity is different according to the rotation angle of the butterfly plate 6, when the environment needs to be sealed, the regulating valve 3 is reversely rotated through the process, the butterfly plate 6 returns to the initial position, and under the action of the sealing strip 503, the butterfly plate 6 cannot be excessively rotated, the tightness of the novel ventilation can be increased through the tightly-jointed structure, after the butterfly plate 6 is rotated to the initial position, the sealing valve 7 is connected with the square hole groove 602 on the threaded rod 8, the rectangular structure of the cross section of the square hole 602 can enable the rotation effect of the sealing valve 7 to be better transmitted to the threaded rod 8, rotating seal valve 7, under the effect of threaded rod 8, sealing plate 603 is to the one end removal that is close to ring flange 5, go into in sealing plate 603 card goes into seal groove 502, such structure not only can increase this neotype sealing performance, can also prevent that atmospheric pressure from leading to the rotation of butterfly plate 6 too big, and can lead to the condition emergence that the bending appears in butterfly plate 6 for preventing too big atmospheric pressure, the inside and outside both sides table wall at butterfly plate 6 all is provided with a plurality of reinforcement strips 601, cooperation threaded rod 8 can effectively prevent that butterfly plate 6 from buckling, accomplish the use of whole ventilation butterfly valve just so.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a ventilation butterfly valve, includes valve gap (1) and threaded rod (8), its characterized in that: the inside of valve gap (1) is provided with bevel gear group (2), and the right-hand member of bevel gear group (2) is connected with governing valve (3), the lower extreme of bevel gear group (2) is connected with axis of rotation (4), and the lower extreme of axis of rotation (4) is fixed with ring flange (5), the inside of ring flange (5) is fixed with butterfly plate (6), and the left end of butterfly plate (6) is connected with seal valve (7), threaded rod (8) set up in the inside middle-end of butterfly plate (6), the inside lower extreme of butterfly plate (6) is connected with bearing post (9).
2. A vent butterfly valve in accordance with claim 1, wherein: the flange plate (5) comprises a threaded hole (501), a sealing groove (502) and a sealing strip (503), the threaded hole (501) is formed in one end, close to the valve cover (1), of the flange plate (5), the sealing groove (502) is formed in the outer surface wall of the outer side of the flange plate (5), and the sealing strip (503) is arranged on the inner side and the outer side of the flange plate (5).
3. A vent butterfly valve in accordance with claim 2, wherein: the number of the sealing strips (503) is two, and the sealing strips (503) are symmetrical with respect to the vertical central axis of the flange plate (5).
4. A vent butterfly valve in accordance with claim 1, wherein: the butterfly plate (6) comprises a reinforcing strip (601), a square hole groove (602) and a sealing plate (603), the reinforcing strip (601) is arranged on the surface walls of the inner side and the outer side of the butterfly plate (6), the square hole groove (602) is arranged in the middle end of the left side of the butterfly plate (6), and the sealing plate (603) is connected to the inner portion of the butterfly plate (6).
5. A ventilation butterfly valve in accordance with claim 4, wherein: the interior of the butterfly plate (6) is of a hollow structure, and the internal shape structure of the butterfly plate (6) is matched with the external shape structure of the sealing plate (603).
6. A vent butterfly valve in accordance with claim 1, wherein: the sealing valve (7) is movably connected with the threaded rod (8), and the external shape structure of the butterfly plate (6) is matched with the internal shape structure of the flange plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876658.3U CN210770308U (en) | 2019-11-04 | 2019-11-04 | Ventilation butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876658.3U CN210770308U (en) | 2019-11-04 | 2019-11-04 | Ventilation butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770308U true CN210770308U (en) | 2020-06-16 |
Family
ID=71040188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921876658.3U Expired - Fee Related CN210770308U (en) | 2019-11-04 | 2019-11-04 | Ventilation butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984133A (en) * | 2021-04-22 | 2021-06-18 | 昊华中意河北新材料有限公司 | FRP electric and manual sealing air valve |
-
2019
- 2019-11-04 CN CN201921876658.3U patent/CN210770308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984133A (en) * | 2021-04-22 | 2021-06-18 | 昊华中意河北新材料有限公司 | FRP electric and manual sealing air valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205780973U (en) | A kind of electric and pneumatic volume damper of Wind ring type | |
| CN210770308U (en) | Ventilation butterfly valve | |
| CN217683287U (en) | Flange type three-eccentric bidirectional sealing butterfly valve | |
| CN204099625U (en) | A proportional regulating valve | |
| CN206017760U (en) | A kind of high leakproofness butterfly valve | |
| CN206545729U (en) | A kind of high class gear adjusts floating ball valve device | |
| CN209725232U (en) | Sanitation-grade welded type butterfly valve | |
| CN219588141U (en) | Valve device and flashboard thereof | |
| CN207830680U (en) | A kind of cut-off wind valve | |
| CN213512121U (en) | Safety-level nuclear island air valve | |
| CN211123781U (en) | Gas flow controller with sealing structure | |
| CN206860931U (en) | A kind of PVC ball valves | |
| CN116045022A (en) | Valve with double sealing pairs | |
| CN222950434U (en) | Eccentric rotating airtight air valve | |
| CN207864623U (en) | A kind of obturator pore structure that air-tightness stability is strong | |
| CN222142026U (en) | Bellows stop valve | |
| CN218859200U (en) | Storage tank for m-fluorobenzoyl chloride | |
| CN217951265U (en) | Diaphragm valve capable of adjusting opening degree | |
| CN205841817U (en) | A kind of carbon steel casket valve | |
| CN206656027U (en) | Butterfly valve and regulation device | |
| CN219755390U (en) | Valve | |
| CN218118628U (en) | Stainless steel butterfly valve for hot water supply system | |
| CN222950431U (en) | Multiple seal regulating valve | |
| CN217713672U (en) | Elastic hard sealing butterfly valve | |
| CN222668923U (en) | A new anti-dust sealing valve structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |