CN208871047U - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
- Publication number
- CN208871047U CN208871047U CN201821300679.6U CN201821300679U CN208871047U CN 208871047 U CN208871047 U CN 208871047U CN 201821300679 U CN201821300679 U CN 201821300679U CN 208871047 U CN208871047 U CN 208871047U
- Authority
- CN
- China
- Prior art keywords
- valve
- groove
- limited block
- valve rod
- 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
Abstract
The utility model discloses a kind of butterfly valves, it include valve body, valve rod and valve board assembly, valve board assembly includes valve plate, pressing plate, pressing plate is fixed on valve plate, transmission mechanism is provided between valve plate and the valve rod, transmission mechanism includes transmission gear and gear ring, the rodent part constituted along its circumferentially distributed teeth is provided on one end outer peripheral surface of transmission gear, the other end is outward extended with the interconnecting piece for being fixedly connected with valve rod, the rodent part of transmission gear is engaged with gear ring, connecting shaft has been wholely set on the outer wall of gear ring, connecting shaft is provided with the first groove on corresponding two sidewalls, limited block is provided in first groove, first compressed spring between limited block and the bottom surface of the first groove, connecting hole is provided on valve plate, limiting slot is provided on the inner wall of connecting hole, first is provided on the side wall of limited block or limiting slot Guiding surface is provided with the second guiding surface on limited block.The utility model provides a kind of more convenient and fast butterfly valve of valve plate dismounting.
Description
Technical field
The utility model belongs to butterfly valve technical field, especially a kind of butterfly valve easy for installation.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (valve board assembly) is disk, and a kind of valve of open and close is reached around valve shaft rotation.Butterfly valve is in reality
Also his advantage small in size, light-weight has been played in the use of border.But butterfly valve is in use due to valve plate and valve body or valve
Often worn between seat, so just need replacing the sealing ring on valve plate, due to its valve plate of butterfly valve used at present and
Connection between valve rod is to first pass through bolt to be fixedly connected, and just needs first to take out bolt when needing to take out valve plate, this
One step is just very not convenient, then again takes out valve rod from valve plate, it is necessary to which taking out valve rod from valve body can just make
Valve plate removed from valve rod, this operation be also it is very not convenient, this just considerably increases the time of maintenance, causes
Inefficiency causes productivity effect to reduce, and brings loss to enterprise.
Summary of the invention
In order to overcome the deficiencies of the prior art, the utility model provides, and a kind of valve plate dismounts more convenient and fast butterfly valve.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of butterfly valve, includes valve body, valve rod
And valve board assembly, the valve rod rotation are threaded through on valve body, the valve body includes fluid channel, and the fluid channel includes import
And outlet, the valve board assembly are arranged on the valve rod and are located in fluid channel, and when butterfly valve is in close state with
Valve body constitutes sealing cooperation, and the valve board assembly can be rotated with the valve rod and be rotated, and the valve board assembly includes valve plate, pressure
Plate, the pressing plate are fixed on the valve plate, and transmission mechanism, the transmission mechanism are provided between the valve plate and the valve rod
Including the transmission gear being set on valve rod and the gear ring being set on transmission gear, one end periphery of the transmission gear
It is provided on face and constitutes rodent part along its circumferentially distributed teeth, the other end is outward extended with the company for being fixedly connected with valve rod
Socket part, rodent part and the gear ring of transmission gear are engaged, and connecting shaft has been wholely set on the outer wall of the gear ring, described
Be provided with the first groove on the corresponding two sidewalls of connecting shaft, be provided with limited block in first groove, the limited block with
It is provided with the first compressed spring that driving limited block stretches out the first groove between the bottom surface of first groove, is provided on the valve plate
For the connecting hole that connecting shaft plugs, it is used for and limited block structure after connecting shaft insertion connecting hole is provided on the inner wall of the connecting hole
At the limiting slot that grafting is arranged, it is provided on the side wall of the limited block or limiting slot and extracts the time limit from connecting shaft convenient for valve plate
Position block can be provided with when being inserted into connecting hole convenient for connecting shaft to the first guiding surface of the first groove contract on the limited block
Second guiding surface of the limited block to the first groove contract.
Using the above scheme, it is provided with driving limited block between limited block and the bottom surface of the first groove and stretches out the first groove
First compressed spring and be provided on the side wall of connecting hole connecting shaft insertion connecting hole after be used for and limited block constitute grafting
The limiting slot of setting can make connecting shaft preferably be plugged in connecting hole, pass through the grafting between limited block and limiting slot
Cooperation can prevent connecting shaft from deviating from from connecting hole, and the first compressed spring is respectively with the bottom surface of limited block, the first groove in solid
Fixed setting, is also possible to prevent limited block and deviates from from the first groove, the first guiding surface can be pulled out from connecting shaft in order to valve plate
When out limited block can to the first groove contract so that when valve board assembly needs to dismantle can very easily by valve plate from
It is removed in connecting shaft, limited block is to the first groove contract when the second guiding surface packs into connecting shaft convenient for connecting hole, so that putting
Valve board assembly is easier for installation, and setting in this way is so that form detachable cooperation, realization between connecting hole and connecting shaft
Quick installation or removal between valve board assembly and valve rod.Under connecting hole and connecting shaft connection status, the band when valve rod rotation
Then the dynamic transmission gear interconnecting piece being fixedly connected with valve rod passes through rodent part so that the rodent part of transmission gear rotates
Kinetic energy is transmitted in connecting shaft by engaging between gear ring, and valve plate is rotated with the rotation of valve rod, realizes valve
Door is opened or is closed.The utility model have it is easy for installation, disassembly easily a little, convenient for daily maintenance, and maintenance
When be convenient for changing sealing ring on valve board assembly.
As the further setting of the utility model, the side wall of the limited block is provided with the second groove, and described second is recessed
It is provided with telescopic block in slot, is contradicted between one end of the telescopic block and the second groove floor and is provided with the second compressed spring, institute
The other end for stating telescopic block, which is extended, highlight bar, and first groove, which is located on the inner wall of notch, is provided with fixture block, described
Highlight bar and fixture block constitute the limit for preventing limited block from deviating from from the first groove and cooperate.
Using the above scheme, when limited block enter the first groove during, the telescopic block is squeezed into the second groove
Interior, after limited block enters the first groove, the telescopic block is under the action of by the second compressed spring to outside the second groove
Stretch out and limited block simultaneously by the first compressed spring under the action of, highlight bar and setting in telescopic block are existed
The fixture block of first groove pocket side wall contradicts cooperation.
As the further setting of the utility model, through-hole, the side of the valve rod are provided on the side wall of the interconnecting piece
It is provided with the threaded hole through valve rod on wall, is bolted to connection between the interconnecting piece and valve rod.
Using the above scheme, facilitate the fixation between interconnecting piece and valve rod, so that the connection of valve rod and transmission gear is more
Stablize.
As the further setting of the utility model, be provided on the circumferential surface of the pressing plate along its it is circumferential equally distributed plus
Strong block is arranged with the first sealing ring on the circumferential surface of the pressing plate, is provided on the inner wall of first sealing ring and the reinforcement
Block constitutes the third groove of grafting setting, and the circumferential surface of the first sealing ring abuts composition sealing cooperation with the inner wall of fluid channel.
Using the above scheme, after the third groove on the first sealing ring is plugged on reinforcement block, so that the first sealing ring can
To be bonded with the circumferential surface of pressing plate, reinforced by inside of the reinforcement block on pressing plate outer wall to the first sealing ring of script, it can
So that the first sealing ring can reinforce sealing ring ability of anti-deformation by reinforcement block when Fluid pressure is excessive, so that first is close
Seal be able to maintain it is indeformable, thus guarantee and valve body between sealing performance, solve soft seal leakproofness when pressure is excessive
The problem of capable of reducing, considerably increases the use scope of butterfly valve.Certain abrasion occurs using rear sealing ring surface for a long time
The first sealing ring can be replaced by individually dismantling pressing plate, not need valve board assembly whole dismounting improving work effect
Rate, maintenance are more convenient.
As the further setting of the utility model, first sealing ring is star-like sealing ring.
Using the above scheme, star-like sealing ring have better elastic packing performance, in the case where pressure becomes larger its with
The contact area of fluid inner wall is continuously increased, and ensure that has good leakproofness under high pressure conditions.
As the further setting of the utility model, the second sealing ring is provided between the pressing plate and valve plate.
Using the above scheme, the leakproofness between valve board assembly and valve body is further increased.
As the further setting of the utility model, third sealing ring is embedded on the side wall of the valve plate.
Using the above scheme, the leakproofness between valve board assembly and valve body is further increased.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is the utility model specific embodiment structural schematic diagram；
Attached drawing 2 is the structural schematic diagram of pressing plate in the utility model specific embodiment；
Attached drawing 3 is the partial sectional view of A-A in Fig. 1；
Attached drawing 4 is the enlarged drawing in the portion B in Fig. 1；
Attached drawing 5 is the enlarged drawing in the portion C in Fig. 1.
Specific embodiment
Specific embodiment of the utility model is as shown in Figs. 1-5, a kind of butterfly valve, includes valve body 1, valve rod 2 and valve plate group
Part 3, the rotation of valve rod 2 are threaded through on valve body 1, and the valve body 1 includes fluid channel 11, and the fluid channel 11 includes import
11a and outlet 11b, the valve board assembly 3 is arranged on the valve rod 2 and is located in fluid channel 11, and is in and closes in butterfly valve
Sealing cooperation is constituted when closed state with valve body 1, the valve board assembly 3 can be rotated with the valve rod 2 and be rotated, the valve board assembly
3 include valve plate 31, pressing plate 32, and the pressing plate 32 is fixed on the valve plate 31, is arranged between the valve plate 31 and the valve rod 2
There is transmission mechanism 4, the transmission mechanism 4 includes the transmission gear 41 being set on valve rod 2 and is set on transmission gear 41
Gear ring 42, be provided on one end outer peripheral surface of the transmission gear 41 and constitute rodent part along its circumferentially distributed teeth 4111
411, the other end is outward extended with the interconnecting piece 412 for being fixedly connected with valve rod 2, the rodent part 411 and tooth of transmission gear 41
Torus 42 is engaged, and the tooth socket 421 for engaging with teeth 4111, the gear ring 42 are provided on the inner wall of gear ring 42
Outer wall on be wholely set connecting shaft 422, the connecting shaft 422 is provided with the first groove 4221 on corresponding two sidewalls,
It is provided with limited block 43 in first groove 4221, is provided with drive between the limited block 43 and the bottom surface of the first groove 4221
Dynamic limited block 43 stretches out the first compressed spring 44 of the first groove 4221, is provided on the valve plate 31 and plugs for connecting shaft 422
Connecting hole 311, be provided on the inner wall of the connecting hole 311 after connecting shaft 422 is inserted into connecting hole 311 and be used for and limited block 43
It is provided on the side wall of the limiting slot 3111 of composition grafting setting, the limited block 43 or limiting slot 3111 convenient for valve plate 31 from even
Limited block 43 can be to the first guiding surface 431 of 4221 contract of the first groove, on the limited block 43 when extracting in spindle 422
It is provided with the second guiding surface convenient for limited block 43 when the insertion connecting hole 311 of connecting shaft 422 to 4221 contract of the first groove
432。
In the present embodiment, the side wall of the limited block 43 is provided with the second groove 433, sets in second groove 433
It is equipped with telescopic block 45, is contradicted between 433 bottom surface of one end and the second groove of the telescopic block 45 and is provided with the second compressed spring 46,
The other end of the telescopic block 45, which is extended, highlight bar 451, and first groove 4221, which is located on the inner wall of notch, to be arranged
There is fixture block 42211, the highlight bar 451 constitutes the limit for preventing limited block 43 from deviating from from the first groove 4221 with fixture block 42211
Position cooperation.
In the present embodiment, it is provided with through-hole on the side wall of the interconnecting piece 412, is provided on the side wall of the valve rod 2
Through the threaded hole of valve rod 2, it is fixedly connected between the interconnecting piece 412 and valve rod 2 by bolt 4121.
In the present embodiment, it is provided on the circumferential surface of the pressing plate 32 along its circumferential equally distributed reinforcement block 321, it is described
It is arranged with the first sealing ring 5 on the circumferential surface of pressing plate 32, is provided on the inner wall of first sealing ring 5 and the reinforcement block 321
The third groove 51 of grafting setting is constituted, the circumferential surface of the first sealing ring 5 abuts composition sealing cooperation with the inner wall of fluid channel 11.
In the present embodiment, first sealing ring 5 is star-like sealing ring.
In the present embodiment, the second sealing ring 6 is provided between the pressing plate 32 and valve plate 31
In the present embodiment, third sealing ring 7 is embedded on the side wall of the valve plate 31.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (7)
1. a kind of butterfly valve includes valve body, valve rod and valve board assembly, the valve rod rotation is threaded through on valve body, the valve body packet
Fluid channel is included, the fluid channel includes inlet and outlet, and the valve board assembly is arranged on the valve rod and is located at fluid
In channel, and sealing cooperation is constituted with valve body when butterfly valve is in close state, the valve board assembly can be rotated with the valve rod
And rotate, it is characterised in that: the valve board assembly includes valve plate, pressing plate, and the pressing plate is fixed on the valve plate, the valve plate
Transmission mechanism is provided between the valve rod, the transmission mechanism includes the transmission gear being set on valve rod and is set in
Gear ring on transmission gear is provided on one end outer peripheral surface of the transmission gear and constitutes grinding tooth along its circumferentially distributed teeth
Portion, the other end are outward extended with the interconnecting piece for being fixedly connected with valve rod, and the rodent part of transmission gear is engaged with gear ring to be set
It sets, has been wholely set connecting shaft on the outer wall of the gear ring, it is recessed to be provided with first on the corresponding two sidewalls of the connecting shaft
Slot is provided with limited block in first groove, driving limited block is provided between the limited block and the bottom surface of the first groove
The first compressed spring of the first groove is stretched out, the connecting hole plugged for connecting shaft is provided on the valve plate, the connecting hole
It is provided on inner wall after connecting shaft insertion connecting hole for constituting the limiting slot of grafting setting, the limited block or limit with limited block
Limited block when extracting from connecting shaft convenient for valve plate is provided on the side wall of position slot can be to the first guiding of the first groove contract
Inclined-plane is provided with when being inserted into connecting hole convenient for connecting shaft limited block on the limited block to the second guiding of the first groove contract
Inclined-plane.
2. butterfly valve according to claim 1, it is characterised in that: the side wall of the limited block is provided with the second groove, described
It is provided with telescopic block in second groove, is contradicted between one end of the telescopic block and the second groove floor and is provided with the second compression bullet
Spring, the other end of the telescopic block, which is extended, highlight bar, and first groove, which is located on the inner wall of notch, is provided with fixture block,
The highlight bar and fixture block constitute the limit for preventing limited block from deviating from from the first groove and cooperate.
3. butterfly valve according to claim 1 or 2, it is characterised in that: through-hole is provided on the side wall of the interconnecting piece, it is described
It is provided with the threaded hole through valve rod on the side wall of valve rod, is bolted to connection between the interconnecting piece and valve rod.
4. butterfly valve according to claim 3, it is characterised in that: be provided with along it circumferential uniform point on the circumferential surface of the pressing plate
The reinforcement block of cloth is arranged with the first sealing ring on the circumferential surface of the pressing plate, is provided on the inner wall of first sealing ring and institute
The third groove that reinforcement block constitutes grafting setting is stated, the circumferential surface of the first sealing ring abuts composition sealing with the inner wall of fluid channel and matches
It closes.
5. butterfly valve according to claim 4, it is characterised in that: first sealing ring is star-like sealing ring.
6. butterfly valve according to claim 4, it is characterised in that: be provided with the second sealing ring between the pressing plate and valve plate.
7. butterfly valve according to claim 6, it is characterised in that: be embedded with third sealing ring on the side wall of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300679.6U CN208871047U (en) | 2018-08-13 | 2018-08-13 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300679.6U CN208871047U (en) | 2018-08-13 | 2018-08-13 | Butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871047U true CN208871047U (en) | 2019-05-17 |
Family
ID=66464530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821300679.6U Expired - Fee Related CN208871047U (en) | 2018-08-13 | 2018-08-13 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208871047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043329A (en) * | 2020-01-16 | 2020-04-21 | 山东超力阀门制造有限公司 | Butterfly valve with sub-cavity buffering function |
-
2018
- 2018-08-13 CN CN201821300679.6U patent/CN208871047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043329A (en) * | 2020-01-16 | 2020-04-21 | 山东超力阀门制造有限公司 | Butterfly valve with sub-cavity buffering function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20200813 |