CN211423411U - Novel fire control butterfly valve - Google Patents
Novel fire control butterfly valve Download PDFInfo
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- CN211423411U CN211423411U CN201922194107.5U CN201922194107U CN211423411U CN 211423411 U CN211423411 U CN 211423411U CN 201922194107 U CN201922194107 U CN 201922194107U CN 211423411 U CN211423411 U CN 211423411U
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- opening
- novel fire
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Abstract
A novel fire-fighting butterfly valve comprises a valve body, an opening and closing structure and a valve clack, wherein the opening and closing structure is arranged at the upper end of the valve body, the valve clack is rotatably arranged in the valve body, a valve rod matched with the valve clack is arranged on the opening and closing structure, the valve clack comprises a first clack body and a second clack body, the first clack body is attached to the second clack body, one of the first clack body and the second clack body is provided with a thread groove, the other one is provided with a positioning hole, the novel fire-fighting butterfly valve also comprises a bolt, the bolt is, so that the first flap body, the second flap body and the valve rod are fixed together, the joint of the outer rings of the first flap body and the second flap body is embedded with a sealing ring, the valve flap is divided into two parts for assembly, and be equipped with embedded sealing washer structure on the valve clack, need not to establish the sealing washer again in the valve body, the effectual sealing washer that prevents is connected with the fire control butterfly valve inner wall and is produced the clearance, and the medium constantly erodees the clearance when, causes the influence to the sealing work of sealing washer.
Description
Technical Field
The utility model relates to a novel fire control butterfly valve belongs to the fire control butterfly valve field.
Background
The butterfly valve is also called a flap valve, is a regulating valve with simple structure, can be used for the butterfly valve of the on-off control of low-pressure pipeline medium, and means that the valve clack or the butterfly plate is a disc, and rotates around the valve shaft to reach a valve that opens and closes, and the existing fire butterfly valve is internally provided with a sealing ring that seals and limits the valve clack, but in the opening and closing work, the valve clack can produce unilateral effort to the sealing ring, easily leads to the sealing ring to be connected with the inner wall of the fire butterfly valve and produces the clearance, and when the medium constantly erodes the clearance, can cause the influence to the sealing work of.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel fire control butterfly valve to solve and be equipped with the sealing washer that carries out sealed restriction to the valve clack in the current fire control butterfly valve, nevertheless in the work of opening and close, the valve clack can produce unilateral effort to the sealing washer, leads to sealing washer and fire control butterfly valve inner wall to be connected easily and produces the clearance, when the medium constantly erodees the clearance, can lead to the problem of influence to the sealed work of sealing washer.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a novel fire control butterfly valve, its structure includes the valve body, opens and close structure, valve clack, open and close the structure and locate the valve body upper end, the valve clack rotates and locates in the valve body, open and close the structural valve rod that is equipped with the valve clack of joining in marriage, the valve clack includes first lamella body, the second lamella body, first lamella body is laminated with the second lamella body mutually, first lamella body is equipped with the thread groove with one of the two of the second lamella body, and another is equipped with the locating hole, still include the bolt, the thread groove is joined in marriage into through the locating hole to the bolt for first lamella body is together fixed with the second lamella body and valve rod, the sealing washer has been inlayed with the outer lane junction of the second lamella body to the first lamella body, the sealing washer inboard is equipped with the rand that the cross section is the T type, all be equipped with the card way corresponding with the rand on.
Further, a matching hole is formed in the sealing ring, and the valve rod is matched between the first valve body and the second valve body through the matching hole.
Furthermore, a clamping sleeve for limiting the valve rod is fixedly arranged on the first valve body or the second valve body.
Further, all be equipped with the valve rod groove with valve rod close fit on the first lamella body and the second lamella body.
The utility model has the advantages that: the valve clack is divided into two parts and is assembled, an embedded sealing ring structure is arranged on the valve clack, a sealing ring does not need to be arranged in the valve body, a gap is generated between the sealing ring and the inner wall of the fire-fighting butterfly valve in an effective mode, and when a medium erodes the gap continuously, the sealing operation of the sealing ring is affected.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a novel fire-fighting butterfly valve of the present invention;
fig. 2 is a schematic view of a sectional structure of a valve flap according to the present invention;
fig. 3 is a schematic view of a front view cross-sectional structure of the valve flap of the present invention.
In the figure: the valve comprises a valve body-1, an opening and closing structure-2, a valve clack-3, a valve rod-4, a first valve clack-301, a second valve clack-302, a thread groove-303, a positioning hole-304, a bolt-305, a sealing ring-306, a clamping ring-307, a matching hole-309 and a clamping sleeve-308.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1, 2 and 3, the present invention provides a novel fire butterfly valve, which comprises: the structure of the valve comprises a valve body 1, an opening and closing structure 2 and a valve clack 3, wherein the opening and closing structure 2 is arranged at the upper end of the valve body 1, the valve clack 3 is rotatably arranged in the valve body 1, a valve rod 4 matched with the valve clack 3 is arranged on the opening and closing structure 2, the valve clack 3 comprises a first clack body 301 and a second clack body 302, the first clack body 301 is jointed with the second clack body 302, one of the first clack body 301 and the second clack body 302 is provided with a thread groove 303, the other one of the first clack body 301 and the second clack body 302 is provided with a positioning hole 304, the bolt 305 is matched with the thread groove 303 through the positioning hole 304, so that the first clack body 301, the second clack body 302 and the valve rod 4 are fixed together, a sealing ring 306 is embedded at the joint of the outer rings of the first clack body 301 and the second clack body 302, a clamping ring 307 with a T-shaped cross section is arranged on the inner side, the sealing ring 306 is provided with a matching hole 309, the valve rod 4 is matched between the first flap body 301 and the second flap body 302 through the matching hole 309, the first flap body 301 or the second flap body 302 is fixedly provided with a clamping sleeve 308 for limiting the valve rod 4, and the first flap body 301 and the second flap body 302 are both provided with valve rod grooves tightly attached to the valve rod 4.
For example, the assembling work of the valve flap 3 is: firstly, a sealing ring 306 is placed on the inner side of a first flap body 301 or a second flap body 302, assuming that the first flap body 301 is the first flap body 301, a collar 307 of the sealing ring 306 is fitted into a clamping channel of the first flap body 301, then a valve rod 4 passes through a fitting hole 309 of the sealing ring 306 and is attached to a corresponding valve rod groove on the first flap body 301, then the second flap body 302 is attached to the first flap body 301, the valve rod groove of the first flap body 301 and the valve rod groove of the second flap body 302 completely wrap the valve rod 4, as shown in fig. 2, a clamping sleeve 308 on the first flap body 301 or the second flap body 302 fixedly limits the valve rod 4, then a screw bolt 305 is screwed into a threaded groove 303 through a positioning hole 304, so that the first flap body 301, the second flap body 302 and the valve rod 4 are tightly fixed together, the valve flap 3 is assembled, when the fire butterfly valve works, the on-off structure 2 drives the valve rod 4 to rotate, and drives the valve flap 3 to open or close the valve body 1, because the sealing ring 306 is an embedded structure, the gap generated by the connection between the sealing ring 306 and the valve clack 3 is effectively prevented.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a novel fire control butterfly valve which characterized in that: the structure of the valve comprises a valve body (1), an opening and closing structure (2) and a valve clack (3), wherein the opening and closing structure (2) is arranged at the upper end of the valve body (1), the valve clack (3) is rotatably arranged in the valve body (1), a valve rod (4) matched with the valve clack (3) is arranged on the opening and closing structure (2), the valve clack (3) comprises a first clack body (301) and a second clack body (302), the first clack body (301) is matched with the second clack body (302), one of the first clack body (301) and the second clack body (302) is provided with a thread groove (303), the other one is provided with a positioning hole (304), the bolt (305) is matched with the thread groove (303) through the positioning hole (304), so that the first clack body (301) is fixed with the second clack body (302) and the valve rod (4), and a sealing ring (306) is embedded at the joint of the outer rings of the first clack body (301) and the second cla, the inside of the sealing ring (306) is provided with a clamping ring (307) with a T-shaped cross section, and the first valve body (301) and the second valve body (302) are both provided with clamping channels corresponding to the clamping ring (307).
2. A novel fire control butterfly valve of claim 1, characterized in that: be equipped with on sealing washer (306) and mate hole (309), valve rod (4) are mated in between first lamella body (301) and second lamella body (302) through mating hole (309).
3. A novel fire control butterfly valve of claim 1, characterized in that: and a clamping sleeve (308) for limiting the valve rod (4) is fixedly arranged on the first flap body (301) or the second flap body (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194107.5U CN211423411U (en) | 2019-12-10 | 2019-12-10 | Novel fire control butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194107.5U CN211423411U (en) | 2019-12-10 | 2019-12-10 | Novel fire control butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423411U true CN211423411U (en) | 2020-09-04 |
Family
ID=72246505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922194107.5U Active CN211423411U (en) | 2019-12-10 | 2019-12-10 | Novel fire control butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423411U (en) |
-
2019
- 2019-12-10 CN CN201922194107.5U patent/CN211423411U/en active Active
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