CN213541334U - Flange butterfly valve - Google Patents
Flange butterfly valve Download PDFInfo
- Publication number
- CN213541334U CN213541334U CN202022460909.9U CN202022460909U CN213541334U CN 213541334 U CN213541334 U CN 213541334U CN 202022460909 U CN202022460909 U CN 202022460909U CN 213541334 U CN213541334 U CN 213541334U
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- China
- Prior art keywords
- valve
- worm
- runner
- handheld
- spline
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- Lift Valve (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a flange butterfly valve, including valve body, transmission case and the handheld runner of detachable, the valve body has worn the valve rod, the valve rod stretches into valve body end rigid coupling and has the valve plate, valve rod other end rigid coupling has the worm wheel, worm wheel one side is connected with the worm rather than the looks adaptation, worm one end is equipped with the spline, the transmission case is close to that worm spline one side upper end articulates there is the apron that can open and shut, handheld runner one end is equipped with the carousel, the handheld runner other end is equipped with the keyway with spline looks adaptation, the lower extreme on the articulated apron side of transmission case is equipped with first connecting hole, the apron is equipped with the second connecting hole with first connecting hole looks adaptation, first connecting hole has the padlock with second connecting hole cross-under. The utility model discloses handheld runner is for dismantling the part, and the handheld runner can prevent other people maliciously to adjust after the flange butterfly valve is adjusted and is accomplished to the lid closes the apron and can reduce the erosion of external environment to the spline, and the padlock can further ensure flange butterfly valve safety.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a flange butterfly valve.
Background
The butterfly valve is also called a flap valve, and is a regulating valve with simple structure. The flange butterfly valve is of a vertical plate type structure, the structure is simple and compact, the operation torque is small, the 90-degree rotation opening is rapid, and when the flange butterfly valve is in a complete opening position, the thickness of a butterfly plate is the only resistance when a medium flows through a valve body, so that the pressure drop generated by the valve is small, and the flange butterfly valve has a good flow control characteristic. The existing flange butterfly valve body and the adjusting mechanism are generally integrated, the safety of the butterfly valve at some important positions cannot be guaranteed, and the butterfly valve is easy to be adjusted maliciously by others.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a flange butterfly valve.
The utility model discloses a realize through following technical scheme:
the utility model provides a flange butterfly valve, includes valve body, rigid coupling in the transmission case and the handheld runner of detachable of valve body top, the valve body has worn to have connect the valve rod, the valve rod stretches into valve body end rigid coupling and has had the valve plate, valve rod other end rigid coupling has the worm wheel, worm wheel one side is connected with the worm rather than the looks adaptation, the worm wheel is installed in the transmission case with the worm, worm one end is equipped with the spline, the transmission case is close to that worm spline one side upper end articulates there is the apron that can open and shut, handheld runner one end is equipped with the carousel, the handheld runner other end is equipped with the keyway with spline.
Preferably, the lower end of the side, hinged to the cover plate, of the transmission case is provided with a first connecting hole, the cover plate is provided with a second connecting hole matched with the first connecting hole, and a padlock penetrates through the first connecting hole and the second connecting hole.
Preferably, the outer side of the rotating disc is provided with an anti-slip sleeve.
Preferably, a sealing gasket is arranged between the valve plate and the valve body.
The utility model has the advantages that:
the utility model discloses handheld runner is for dismantling the part, and the handheld runner can prevent other people maliciously to adjust after the flange butterfly valve is adjusted and is accomplished to the lid closes the apron and can reduce the erosion of external environment to the spline, and the padlock can further ensure flange butterfly valve safety.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the valve comprises a valve body, a valve plate, a transmission case, a worm gear, a worm wheel, a spline, a second connecting hole, a cover plate, a key groove, a handheld rotating wheel, a hand-held rotating wheel, a first connecting hole, a padlock and a valve rod, wherein the valve body is 2, the valve plate is 3, the transmission case is 4, the worm is 5, the worm gear is 6, the spline is 7, the second connecting hole is 8.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in the figure, the utility model comprises a valve body 1, a transmission case 3 fixedly connected above the valve body and a detachable hand-held rotating wheel 10, a valve rod 13 is connected with the valve body in a penetrating way, the end of the valve rod extending into the valve body is fixedly connected with a valve plate 2, the other end of the valve rod is fixedly connected with a worm wheel 5, one side of the worm wheel is connected with a worm 4 matched with the worm wheel, the worm wheel and the worm are arranged in the transmission case, a spline 6 is arranged at one end of the worm, a cover plate 8 which can be opened and closed is hinged at the upper end of one side of the transmission case close to the spline of the worm, one end of the hand-held rotating wheel is provided with a rotating disc, the other end of the hand-held rotating wheel is provided with a key groove 9 matched with the spline, when the hand-held rotating wheel is connected to the worm wheel through the key groove and the spline in a matching way, the opening of the valve plate of the butterfly valve can be adjusted by rotating the hand-held rotating wheel, after the adjustment is finished, the hand-held rotating wheel is taken down, can prevent other people maliciously to adjust to the apron that closes can reduce the erosion of external environment to the spline.
The lower end of the side, hinged to the cover plate, of the transmission box is provided with a first connecting hole 11, the cover plate is provided with a second connecting hole 7 matched with the first connecting hole, and a padlock 12 penetrates through the first connecting hole and the second connecting hole, so that the safety of the butterfly valve is further guaranteed.
The outer side of the rotary plate is provided with an anti-slip sleeve, so that the operation is convenient.
A sealing gasket is arranged between the valve plate and the valve body, so that the sealing performance of the valve plate when the valve plate is closed is enhanced.
During the use, will hand the runner and install in the worm through keyway and spline fit, rotate the carousel and adjust flange butterfly valve plate to suitable aperture, take off hand the runner, the apron closes, the padlock cross-under first connecting hole and second connecting hole and locks. The utility model discloses handheld runner is for dismantling the part, and the handheld runner can prevent other people maliciously to adjust after the flange butterfly valve is adjusted and is accomplished to the lid closes the apron and can reduce the erosion of external environment to the spline, and the padlock can further ensure flange butterfly valve safety.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a flange butterfly valve, its characterized in that, includes valve body, rigid coupling in the transmission case and the handheld runner of detachable of valve body top, the valve body has worn to have connect the valve rod, the valve rod stretches into valve body end rigid coupling and has the valve plate, valve rod other end rigid coupling has the worm wheel, worm wheel one side is connected with the worm rather than the looks adaptation, the worm wheel is installed in the transmission case with the worm, worm one end is equipped with the spline, the transmission case is close to that worm spline one side upper end articulates there is the apron that can open and shut, handheld runner one end is equipped with the carousel, the handheld runner other end is equipped with the keyway with spline.
2. A flange butterfly valve according to claim 1, wherein a first connection hole is formed at a lower end of the side of the transmission case where the cover is hinged, a second connection hole adapted to the first connection hole is formed in the cover, and a padlock is inserted into the first connection hole and the second connection hole.
3. A flange butterfly valve according to claim 1, wherein the outer side of the disk is provided with an anti-slip sleeve.
4. A flange butterfly valve according to claim 1, wherein a seal is provided between the valve plate and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460909.9U CN213541334U (en) | 2020-10-30 | 2020-10-30 | Flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460909.9U CN213541334U (en) | 2020-10-30 | 2020-10-30 | Flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213541334U true CN213541334U (en) | 2021-06-25 |
Family
ID=76501773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022460909.9U Active CN213541334U (en) | 2020-10-30 | 2020-10-30 | Flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213541334U (en) |
-
2020
- 2020-10-30 CN CN202022460909.9U patent/CN213541334U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |