CN211315134U - Butterfly valve rod and butterfly plate connecting structure - Google Patents
Butterfly valve rod and butterfly plate connecting structure Download PDFInfo
- Publication number
- CN211315134U CN211315134U CN201921338519.5U CN201921338519U CN211315134U CN 211315134 U CN211315134 U CN 211315134U CN 201921338519 U CN201921338519 U CN 201921338519U CN 211315134 U CN211315134 U CN 211315134U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- valve body
- butterfly
- 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.)
- Active
Links
Images
Abstract
The utility model provides a butterfly valve rod and butterfly plate connection structure, including the valve body, both ends are equipped with the valve port respectively about the valve body, and the middle part of valve body is equipped with the shaft hole that runs through the valve body both sides along upper and lower direction, is equipped with the disk seat on the inner wall of valve body, is equipped with the butterfly plate in the valve body, the butterfly plate on be equipped with the sealed complex sealing washer of disk seat, still include valve rod and lower valve rod, the left side of butterfly plate is equipped with connecting hole and lower connecting hole, goes up connecting hole and lower connecting hole and the coaxial setting in shaft hole, the connection of going up the valve rod is in the shaft hole, the lower extreme and the last connecting hole fixed connection of going up the valve rod, the upper end of going up the valve rod is worn out from the upper end of valve body, lower valve.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to butterfly valve rod and butterfly plate connection structure.
Background
In the product series of hard seal butterfly valves, an integral valve rod pin connection butterfly plate structure is widely applied, the processing requirement precision of the structure process is high, and the material consumption of the integral valve rod is large. In the requirement of the standard JB/T8527 valve rod technology 5.10.2 of the metal seal butterfly valve product, the valve rod can be designed into a whole shaft, and also can be designed into two separated short shafts, and the length of the embedded hole of the valve rod is not less than 1.5 times of the diameter of the shaft. The butterfly plate and the valve rod shaft are connected through the fixing pin, a drilling machine is needed to drill a pin after the valve is assembled, and a method for preventing the pin from loosening, shearing or falling off danger is adopted to prevent loosening and loosening through spot welding. This makes it extremely difficult to remove the valve stem and butterfly plate member during valve servicing and replacement.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides a butterfly valve rod and butterfly plate connection structure, its assembly is simple, the dismantlement is convenient, each spare part can not take place the transaction.
The technical scheme of the utility model is realized like this:
a connecting structure of a butterfly valve rod and a butterfly plate comprises a valve body, wherein valve ports are respectively arranged at the left end and the right end of the valve body, shaft holes which penetrate through the two sides of the valve body along the vertical direction are arranged in the middle of the valve body, a valve seat is arranged on the inner wall of the valve body, a butterfly plate is arranged in the valve body, a sealing ring which is sealed and matched with the valve seat is arranged on the butterfly plate, the connecting structure further comprises an upper valve rod and a lower valve rod, an upper connecting hole and a lower connecting hole are arranged on the left side of the butterfly plate, the upper connecting hole and the lower connecting hole are coaxially arranged with the shaft holes, the upper valve rod is connected in the shaft holes, the lower end of the upper valve rod is fixedly connected with the upper connecting hole, the upper end of the upper valve rod penetrates out of the upper end of the valve body, the lower valve rod is connected in the shaft holes, the lower valve rod is, the vertical arm is fixedly connected with the left end face of the valve body, the cross arm extends into the valve body, annular positioning grooves are respectively formed in the lower end of the upper valve rod and the upper end of the lower valve rod, and the end portion of the cross arm extends into the positioning grooves.
The utility model discloses still further set up to, the sealing washer pass through clamp plate and fix with screw on the butterfly plate.
The utility model discloses still further set up to, shaft hole upper end be equipped with the valve gap.
The utility model discloses still further set up to, the upper end in shaft hole be equipped with the filler, the upper end of filler is equipped with the gland.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a butterfly valve rod and butterfly plate connection structure, its split type valve rod structure changes former whole valve rod into two sections split type valve rods (upper and lower valve rod), and the one end of valve rod is made outer four directions opposite side valve rod and is mutually supported, convenient assembling with interior four directions opposite side shaft hole on the butterfly plate. The whole valve rod relative ratio of split type valve rod reduces the material energy and wastes, reduces medium flow resistance coefficient, increases valve pipeline flow, improves operating mode productivity effect, still is equipped with the locating arm simultaneously and carries out axial spacing to two valve rods, prevents that the butterfly plate from taking place to reciprocate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
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 efforts belong to the protection scope of the present invention.
The present invention is explained below with reference to fig. 1:
the utility model provides a butterfly valve rod and butterfly plate connection structure, includes valve body 1, and both ends are equipped with valve port 2 respectively about valve body 1, and the middle part of valve body 1 is equipped with and runs through the shaft hole 3 of valve body 1 both sides along upper and lower direction.
The inner wall of the valve body 1 is provided with a valve seat 4, a butterfly plate 5 is arranged in the valve body 1, and the butterfly plate 5 is provided with a sealing ring 6 which is sealed and matched with the valve seat 4.
Still include valve rod 7 and lower valve rod 8, the left side of butterfly plate 5 is equipped with connecting hole 9 and lower connecting hole 10, goes up connecting hole 9 and lower connecting hole 10 and shaft hole 3 coaxial setting.
The upper valve rod 7 is connected in the shaft hole 3, the lower end of the upper valve rod 7 is fixedly connected with the upper connecting hole 9, and the upper end of the upper valve rod 7 penetrates out of the upper end of the valve body 1.
The lower valve rod 8 is connected in the shaft hole 3, the upper end of the lower valve rod 8 is fixedly connected with the lower connecting hole 10, the lower valve rod 8 is connected in the shaft hole 3 on the lower side of the valve body 1, and the lower end of the shaft hole 3 on the lower side of the valve body 1 is provided with a sealing cover 11.
The valve body is characterized by further comprising a positioning arm, the positioning arm is L-shaped and comprises a vertical arm 12 and a cross arm 13, the vertical arm 12 is fixedly connected with the left end face of the valve body 1, the cross arm 13 extends into the valve body 1, annular positioning grooves 14 are respectively formed in the lower end of the upper valve rod 7 and the upper end of the lower valve rod 8, and the end portion of the cross arm 13 extends into the positioning grooves 14.
Wherein, the sealing ring 6 is fixed on the butterfly plate 5 through a pressure plate and a screw.
Wherein, the upper end of the shaft hole 3 is provided with a valve cover 15.
Wherein, the upper end of the shaft hole 3 is provided with a packing 16, and the upper end of the packing 16 is provided with a gland 17.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a butterfly valve rod and 5 connection structure of butterfly plate, its split type valve rod structure changes former whole valve rod into two sections split type valve rods (upper and lower valve rod 8), and square opposite side shaft hole 3 mutually supports in making out outer square opposite side valve rod and butterfly plate 5 in the one end of valve rod, convenient assembling. The whole valve rod relative ratio of split type valve rod reduces the material energy and wastes, reduces medium flow resistance coefficient, increases valve pipeline flow, improves operating mode productivity effect, still is equipped with the locating arm simultaneously and carries out axial spacing to two valve rods, prevents that butterfly plate 5 from taking place to reciprocate.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a butterfly valve rod and butterfly plate connection structure which characterized in that: the valve comprises a valve body, wherein valve ports are respectively arranged at the left end and the right end of the valve body, shaft holes which penetrate through the two sides of the valve body along the vertical direction are arranged in the middle of the valve body, a valve seat is arranged on the inner wall of the valve body, a butterfly plate is arranged in the valve body, a sealing ring which is sealed and matched with the valve seat is arranged on the butterfly plate, the valve further comprises an upper valve rod and a lower valve rod, an upper connecting hole and a lower connecting hole are arranged on the left side of the butterfly plate, the upper connecting hole and the lower connecting hole are coaxially arranged with the shaft holes, the upper valve rod is connected in the shaft holes, the lower end of the upper valve rod is fixedly connected with the upper connecting hole, the upper end of the upper valve rod penetrates out of the upper end of the valve body, the lower valve rod is connected in the shaft holes at the lower side of the valve body, a sealing cover is arranged at the lower, the cross arm extends into the valve body, annular positioning grooves are respectively formed in the lower end of the upper valve rod and the upper end of the lower valve rod, and the end portion of the cross arm extends into the positioning grooves.
2. The connecting structure of the valve rod and the butterfly plate of the butterfly valve according to claim 1, wherein: the sealing ring is fixed on the butterfly plate through a pressure plate and a screw.
3. The connecting structure of the valve rod and the butterfly plate of the butterfly valve according to claim 1, wherein: the upper end of the shaft hole is provided with a valve cover.
4. The connecting structure of the valve rod and the butterfly plate of the butterfly valve according to claim 1, wherein: the upper end of the shaft hole is provided with a filler, and the upper end of the filler is provided with a gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338519.5U CN211315134U (en) | 2019-08-16 | 2019-08-16 | Butterfly valve rod and butterfly plate connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338519.5U CN211315134U (en) | 2019-08-16 | 2019-08-16 | Butterfly valve rod and butterfly plate connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315134U true CN211315134U (en) | 2020-08-21 |
Family
ID=72081530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921338519.5U Active CN211315134U (en) | 2019-08-16 | 2019-08-16 | Butterfly valve rod and butterfly plate connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315134U (en) |
-
2019
- 2019-08-16 CN CN201921338519.5U patent/CN211315134U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211315134U (en) | Butterfly valve rod and butterfly plate connecting structure | |
| CN201787094U (en) | Adjustable throttle valve | |
| CN203809701U (en) | Multi-purpose adjusting-type stop valve | |
| CN204004754U (en) | Low leakage sealed fixing ball valve | |
| CN203703164U (en) | Square multiple-blade air valve | |
| CN201028044Y (en) | Regulation type ball valve seat | |
| CN211649476U (en) | Defeated pipeline maintenance plugging device of collection | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN104390015A (en) | Small-flow control valve | |
| CN108662173B (en) | It is a kind of for connecting the valve of shock tube low pressure stage and vacuum pump | |
| CN204782907U (en) | Core is glued to multistage sealed rotating blowout preventer | |
| CN207229802U (en) | Sealing structure for valve core for gate valve outlet section | |
| CN216045570U (en) | PE ball valve with pressure relief channel | |
| CN212251329U (en) | Double-seal low-maintenance-cost combined valve | |
| CN204153250U (en) | A kind of auto-compensation needle-valve | |
| CN217463615U (en) | Welded flange gasket subassembly structure | |
| CN204420199U (en) | There is the three-way diverter valve of quadrant tubular spool | |
| CN204922048U (en) | Choke valve valve rod | |
| CN207064764U (en) | A kind of integral type all-welded ball valve | |
| CN205689784U (en) | A kind of Pyatyi leakage adjustable valve | |
| CN204420167U (en) | Revolve a cut-off valve | |
| CN214579015U (en) | Half bearing plate ball valve structure | |
| CN204573250U (en) | A kind of quick-mounting ball valve | |
| CN104132199A (en) | Back ferrule for double-ferrule pipe joint | |
| CN204267742U (en) | Control valve for small flows |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |