CN217539647U - Anti-drop flange butterfly valve - Google Patents
Anti-drop flange butterfly valve Download PDFInfo
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- CN217539647U CN217539647U CN202221330307.4U CN202221330307U CN217539647U CN 217539647 U CN217539647 U CN 217539647U CN 202221330307 U CN202221330307 U CN 202221330307U CN 217539647 U CN217539647 U CN 217539647U
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- butterfly valve
- valve
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- valve main
- rod
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Abstract
The utility model relates to an anticreep flange butterfly valve, including the butterfly valve main part, set up in valve gap, edge in the butterfly valve main part intake passage and exhalant canal, the rotatable setting that the butterfly valve main part was radially seted up in intake passage with be used for the valve plate that the control fluid opened and close between the exhalant canal, the valve plate upper end is provided with and is used for driving valve plate pivoted goes up the valve rod, it wears out to go up the valve rod upper end the butterfly valve main part, the valve plate lower extreme is provided with down the valve rod, the valve rod lower extreme is worn out down the butterfly valve main part, butterfly valve main part downside can be dismantled and be provided with down the disk seat, butterfly valve main part downside is provided with and is used for the restriction the disk seat breaks away from down the anticreep device of butterfly valve main part.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to anticreep flange butterfly valve.
Background
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The main functions of cutting off and throttling are realized on the pipeline. The butterfly valve is a valve which is simple in structure, can be used for on-off control of a low-pressure pipeline medium and is a valve with a closing member (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to achieve opening and closing. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels.
The existing butterfly valve is usually provided with a lower valve seat, the lower end of a valve rod is supported and installed in the lower valve seat, and the valve rod rotates by taking a supporting point as a center, but the lower end of the valve rod and the lower valve seat are abraded in long-term use by the installation mode, so that the butterfly valve is damaged, and inconvenience is brought to people in use.
Therefore, the lower valve seat at the lower end of the butterfly valve is usually designed to be detachable in the market, so that the lower valve seat is convenient to replace and maintain, but the method easily causes the unstable installation of the lower valve seat at the lower end of the butterfly valve and the falling of the lower valve seat during use, which is a problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Therefore, to the above-mentioned problem, the utility model provides an anticreep flange butterfly valve.
In order to realize the technical problem, the utility model discloses the solution that takes is an anticreep flange butterfly valve, including the butterfly valve main part, set up in valve gap in the butterfly valve main part, edge inhalant canal and exhalant canal, the rotatable setting that the butterfly valve main part radially seted up in inhalant canal with be used for the control fluid valve plate of opening and close between the exhalant canal, the valve plate upper end is provided with and is used for driving valve plate pivoted goes up the valve rod, it wears out to go up the valve rod upper end the butterfly valve main part, the valve plate lower extreme is provided with down the valve rod, the lower valve rod lower extreme is worn out the butterfly valve main part down, butterfly valve main part downside can be dismantled and be provided with down the disk seat, butterfly valve main part downside is provided with and is used for the restriction the disk seat breaks away from down the anticreep device of butterfly valve main part.
The further improvement is that: the upper end of the lower valve seat is detachably arranged on the lower side of the butterfly valve main body through threads, a rotating groove is formed in the upper end of the lower valve seat, and the lower end of the lower valve rod penetrates out of the butterfly valve main body and abuts against the bottom of the rotating groove.
The further improvement is that: the anticreep device including can dismantle set up in the installation cover of butterfly valve main part downside, set up in be used for the restriction in the installation cover the disk seat breaks away from down the spacing ring of butterfly valve main part, can dismantle set up in be used for locking on the installation cover the gag lever post of spacing ring.
The further improvement is that: the lower end of the lower valve seat is provided with a locking boss, and the limiting ring is sleeved on the locking boss.
The further improvement is that: the limiting rod penetrates through the mounting sleeve, the limiting ring and the locking boss, and a waist hole for the limiting rod to penetrate through is formed in the locking boss.
The further improvement is that: and one end of the limiting rod is provided with a locking end, and the other end of the limiting rod penetrates out of the mounting sleeve to be provided with a locking bolt for locking the limiting rod.
The further improvement is that: an elastic part is arranged between the limiting ring and the lower valve seat.
The further improvement is that: the mounting groove has been seted up to the installation cover inside wall, the spacing ring lateral wall be provided with the mounting groove phase-match supplies the spacing ring is followed the installation groove is radial slides slide protruding.
The further improvement is that: and a sealing element is arranged between the lower valve rod and the butterfly valve main body.
By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses in, the disk seat is for setting up in the butterfly valve main part through screw detachable down, and convenient replacement maintenance is provided with the anticreep device simultaneously, takes place to damage and restriction disk seat separation butterfly valve main part down when can preventing down the disk seat long-term use.
Drawings
FIG. 1 is a schematic structural diagram of a butterfly valve according to an embodiment of the present invention;
FIG. 2 is a partial enlarged view corresponding to the point A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a perspective view of the lower valve seat and the retainer ring according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of the lower valve seat and the limiting ring according to the embodiment of the present invention;
fig. 5 is a schematic structural view of the mounting sleeve, the lower valve seat and the limiting ring in the embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (c);
referring to fig. 1 to 5, an anticreep flange butterfly valve, including butterfly valve main part 1, set up in valve gap (not shown in the figure) in butterfly valve main part 1, follow inhalant canal 2 and exhalant canal 3, the rotatable setting that butterfly valve main part 1 radially offered in inhalant canal 2 with be used for the valve plate 4 that control fluid opened and close between the exhalant canal 3, valve plate 4 upper end is provided with and is used for driving valve plate 4 pivoted last valve rod 5, wear out last valve rod 5 upper end butterfly valve main part 1, go up 5 upper ends of valve rod and connect and be used for driving go up 5 pivoted hand wheels of valve rod (not shown in the figure), 4 lower extremes of valve plate are provided with down valve rod 6, wear out down 6 lower extremes of valve rod butterfly valve main part 1, butterfly valve main part 1 downside can be dismantled and be provided with down disk seat 7, butterfly valve main part 1 downside is provided with and is used for the restriction disk seat 7 breaks away from down butterfly valve seat 1's anticreep device.
Wherein, in this embodiment the 7 upper ends of lower disk seat through the screw thread can dismantle set up in 1 downside of butterfly valve main part, 7 upper ends of lower disk seat are provided with and rotate groove 8, 6 lower extremes of lower valve rod wear out butterfly valve main part 1 and support and push up in 8 bottoms of rotating groove.
In this embodiment, anticreep device include through the bolt can dismantle set up in 1 downside of butterfly valve main part installation cover 9, set up in be used for the restriction in the installation cover 9 down disk seat 7 breaks away from 1 spacing ring 10 of butterfly valve main part, can dismantle set up in be used for locking on the installation cover 9 spacing rod 11 of spacing ring 10, 7 lower extremes of disk seat are provided with locking boss 12 down, spacing ring 10 overlaps and locates on the locking boss 12, spacing rod 11 wears to locate on the installation cover 9, spacing rod 11 passes installation cover 9, spacing ring 10 and locking boss 12, the confession has been seted up on the locking boss 12 the waist hole 13 that spacing rod 11 passed, set up for waist hole 13 on the 11 lateral wall of spacing rod in this embodiment for disk seat 7 install in behind 1 lower side of butterfly valve main part, can prevent that spacing rod 11 can not be accurate pass locking boss 12.
In this embodiment, 11 one end of gag lever post is provided with the locking end, 11 other ends of gag lever post are worn out the installation cover 9 is provided with and is used for locking the locking bolt of gag lever post 11, and the locking mode is simple.
Meanwhile, in order to prevent the lower valve seat 7 and the limiting ring 10 from being worn, in this embodiment, an elastic member 14 is disposed between the limiting ring 10 and the lower valve seat 7, and the elastic member 14 is a plastic gasket having elasticity.
In order to facilitate installation of the limiting ring 10, an installation groove (not shown in the figure) is formed in the inner side wall of the installation sleeve 9, the side wall of the limiting ring 10 is provided with a sliding protrusion 15 which is matched with the installation groove and used for the limiting ring 10 to slide along the radial direction of the installation groove, during installation, the limiting ring 10 is only required to be sleeved on the locking boss 12, the sliding protrusion 15 is aligned with the installation groove, and the limiting ring 10 slides along the radial direction of the installation groove to enter the installation sleeve 9.
In order to prevent leakage between the lower stem 6 and the butterfly valve body 1, a seal ring 16 is provided between the lower stem 6 and the butterfly valve body 1.
The working principle is as follows:
in this embodiment, firstly, the mounting sleeve 9 is mounted on the lower side of the butterfly valve main body 1 through a bolt, then the valve plate 4 is mounted inside the butterfly valve main body 1, then the lower valve rod 6 penetrates into the butterfly valve main body 1 from bottom to top, so that the lower valve rod 6 is connected with the valve plate 4, the lower valve seat 7 is mounted through threaded connection, so that the lower end of the lower valve rod 6 is mounted in the rotating groove 8 in an abutting manner, the limit ring 10 is sleeved into the lower end of the lower valve seat 7, finally the limit rod 11 penetrates through the mounting sleeve 9, the limit ring 10 and the locking boss 12, and then the lower valve seat 7 is locked, so that the mounting and locking of the lower valve seat 7 are completed, and the lower valve seat 7 can be prevented from being separated from the butterfly valve main body 1 when in use.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (9)
1. The utility model provides an anticreep flange butterfly valve, include the butterfly valve main part, set up in valve gap in the butterfly valve main part, edge inhalant canal and exhalant canal, rotatable setting that the butterfly valve main part radially seted up in inhalant canal with be used for controlling the valve plate that the fluid opened and close between the exhalant canal, the valve plate upper end is provided with and is used for driving valve plate pivoted goes up the valve rod, go up the valve rod upper end and wear out butterfly valve main part, its characterized in that: the valve plate lower extreme is provided with down the valve rod, the valve rod lower extreme is worn out down the butterfly valve main part, butterfly valve main part downside can be dismantled and is provided with down the disk seat, butterfly valve main part downside is provided with and is used for the restriction the disk seat breaks away from down the anti-disengaging device of butterfly valve main part.
2. The anti-drop flange butterfly valve of claim 1, wherein: the upper end of the lower valve seat is detachably arranged on the lower side of the butterfly valve main body through threads, a rotating groove is formed in the upper end of the lower valve seat, and the lower end of the lower valve rod penetrates out of the butterfly valve main body and abuts against the bottom of the rotating groove.
3. The anti-drop flange butterfly valve of claim 2, wherein: the anticreep device including can dismantle set up in butterfly valve main part downside installation cover, set up in be used for the restriction in the installation cover the disk seat breaks away from down the spacing ring of butterfly valve main part, can dismantle set up in be used for locking on the installation cover the gag lever post of spacing ring.
4. The anti-drop flange butterfly valve of claim 3, wherein: the lower end of the lower valve seat is provided with a locking boss, and the limiting ring is sleeved on the locking boss.
5. The drop-resistant flange butterfly valve of claim 4, wherein: the limiting rod penetrates through the mounting sleeve, the limiting ring and the locking boss, and a waist hole for the limiting rod to penetrate through is formed in the locking boss.
6. The drop-resistant flange butterfly valve of claim 5, wherein: and one end of the limiting rod is provided with a locking end, and the other end of the limiting rod penetrates out of the mounting sleeve to be provided with a locking bolt for locking the limiting rod.
7. The anti-drop flange butterfly valve of claim 3, wherein: an elastic part is arranged between the limiting ring and the lower valve seat.
8. The drop-resistant flange butterfly valve of claim 3, wherein: the mounting groove has been seted up to the installation cover inside wall, the spacing ring lateral wall be provided with the mounting groove phase-match supplies the spacing ring is followed the installation groove is radial slides slide protruding.
9. The anti-drop flange butterfly valve of claim 1, wherein: and a sealing element is arranged between the lower valve rod and the butterfly valve main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330307.4U CN217539647U (en) | 2022-05-30 | 2022-05-30 | Anti-drop flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330307.4U CN217539647U (en) | 2022-05-30 | 2022-05-30 | Anti-drop flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539647U true CN217539647U (en) | 2022-10-04 |
Family
ID=83440798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221330307.4U Active CN217539647U (en) | 2022-05-30 | 2022-05-30 | Anti-drop flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539647U (en) |
-
2022
- 2022-05-30 CN CN202221330307.4U patent/CN217539647U/en active Active
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