CN217177633U - Butterfly valve head limiting assembly - Google Patents
Butterfly valve head limiting assembly Download PDFInfo
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- CN217177633U CN217177633U CN202220456738.9U CN202220456738U CN217177633U CN 217177633 U CN217177633 U CN 217177633U CN 202220456738 U CN202220456738 U CN 202220456738U CN 217177633 U CN217177633 U CN 217177633U
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- valve head
- limiting
- stop lever
- turbine
- butterfly valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model belongs to the technical field of the pipeline control valve in the chemical production. A butterfly valve head limiting assembly comprises an annular valve head clamp, a full-open limiting stop rod, a full-close limiting stop rod, a turbine limiting plate and a limiting screw; the valve head fixture is fixedly arranged on the valve head of the butterfly valve; the fully-opened limiting stop lever and the fully-closed limiting stop lever are fixedly arranged on the valve head fixture and arranged at an included angle of 90 degrees; the turbine limiting plate is fixedly arranged on the valve head fixture and is positioned between the fully-opened limiting stop lever and the fully-closed limiting stop lever; and the limiting screw is arranged on the turbine limiting plate. This application can be fast, effectual realization butterfly valve head spacing when the valve head is cracked to the personnel's of being convenient for operation guarantees production system's normal operating.
Description
Technical Field
The utility model belongs to the technical field of the pipeline control valve in the chemical production, concretely relates to spacing subassembly of butterfly valve head.
Background
In chemical production devices, butterfly valves are most widely used, and especially in process systems such as water, air, nitrogen and the like, wafer type or flange butterfly valves are commonly used. The butterfly valve is in the use, appears sealed not tight and interior hourglass phenomenon easily to when daily operation, frequent emergence personnel rotate the hand wheel hard and lead to the cracked phenomenon of valve head, and the unable operation valve must be changed the valve head or change the valve. However, in actual production operation, the valves cannot be isolated and replaced due to various factors such as poor isolation of the valves in front and at the back of the system, production process requirements and the like, and meanwhile, when no matched valve head exists due to different valve manufacturers, product batches and the like, other measures must be taken to operate, such as using pipe tongs, welding handles and other modes to switch the valves. However, when the butterfly valve has no valve head, the valve limiting and indicating device fails, personnel cannot distinguish the direction of the valve switch to cause operation errors, and meanwhile, the valve can be directly and fully opened under the impact of pressure in a pipeline. Therefore, when the valve head of the butterfly valve is damaged, how to ensure the normal operation and the limit of the butterfly valve is the key of production and operation.
Disclosure of Invention
The utility model discloses the purpose is to the problem that above-mentioned exists with not enough, provides a spacing subassembly of butterfly valve head, and this application can be fast when the valve head fracture, effectual realization butterfly valve head spacing to the personnel's operation of being convenient for guarantees production system's normal operating.
In order to realize the purpose, the adopted technical scheme is as follows:
a butterfly valve head stop assembly comprising:
the annular valve head fixture is fixedly arranged on the valve head of the butterfly valve;
a full-open limit stop lever;
the fully-opened limiting stop lever and the fully-closed limiting stop lever are fixedly arranged on the valve head fixture and arranged at an included angle of 90 degrees;
the turbine limiting plate is fixedly arranged on the valve head fixture and is positioned between the fully-opened limiting stop lever and the fully-closed limiting stop lever; and
and the limiting screw is arranged on the turbine limiting plate.
According to the utility model discloses spacing subassembly of butterfly valve head, preferably, valve head fixture includes:
a left arc-shaped hoop;
the left arc-shaped hoop and the right arc-shaped hoop are oppositely arranged, and two ends of the left arc-shaped hoop and two ends of the right arc-shaped hoop are respectively provided with a corresponding connecting lug plate; and
and the first bolt is arranged between the two corresponding connecting lug plates.
According to the utility model discloses spacing subassembly of butterfly valve head, preferably, valve head fixture is the opening ring-type the opening part of valve head fixture is provided with two relative end plates, and is fixed through second bolted connection between the double-phase relative end plate.
According to the butterfly valve head limiting assembly of the present invention, preferably, the fully open limiting stop lever, the fully closed limiting stop lever and the turbine limiting plate are all welded and fixed to the valve head fixture; or
The fully-opened limiting stop lever, the fully-closed limiting stop lever and the turbine limiting plate are fixed on the valve head fixture through bolts; or
The full-open limiting stop lever, the full-close limiting stop lever and the turbine limiting plate are all integrated with the valve head fixture.
According to the utility model discloses spacing subassembly of butterfly valve head, preferably, the turbine limiting plate with it arranges to open spacing shelves pole side by side is the step form, the turbine limiting plate with open spacing shelves pole formula structure as an organic whole, components of a whole that can function independently welded structure or split type structure entirely.
According to the utility model discloses spacing subassembly of butterfly valve head, preferably, stop screw passes through threaded connection with the turbine limiting plate, stop screw's interior tip is the taper shape.
According to the utility model discloses spacing subassembly of butterfly valve head, preferably, be provided with anti-skidding insection on the inner wall of valve head fixture.
By adopting the technical scheme, the beneficial effects are as follows:
1. the double-clamp butterfly valve is simple in structure, convenient to operate, low in production cost, wide in application range, capable of being used for pipelines of various media, and suitable for wafer-clamp butterfly valves and flange butterfly valves with on-site valve heads damaged and incapable of being isolated and without matched valve heads. The butterfly valve is particularly suitable for butterfly valves which need to regulate the opening of the valve irregularly in certain production processes and have higher requirements on the opening of the valve, and can effectively avoid the full opening or fluctuation of the butterfly valve.
2. The utility model discloses when the effectual butterfly valve head of having solved damages, the valve is spacing and indicating device became invalid, personnel can't differentiate the problem that the valve switch direction leads to misoperation, switch direction mistake, the isolation and the safe operation of effectual assurance technology production.
3. The utility model discloses utilize the original turbine of butterfly valve head, it is spacing to use stop screw and turbine to make movable "T" font, and this spacing regulation that not only can be free still does not influence the normal switch of valve, can also accomplish free limit state simultaneously, in the aperture within range of valve, can carry out free regulation, avoids strikeing the operation that influences apparatus for producing because of inside by the medium, causes the problem that production system is undulant, parkked.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural view of the limiting component of the butterfly valve head of the present invention.
Fig. 2 is a front view of the limiting assembly of the butterfly valve head of the present invention.
Figure 3 is the side view of the spacing subassembly of butterfly valve head of the utility model.
Fig. 4 is a schematic view of the utility model discloses spacing subassembly of butterfly valve head has the turbine to close entirely and uses.
Figure 5 is the utility model discloses the spacing subassembly of butterfly valve head has turbine 45 aperture to use the schematic diagram.
Fig. 6 is the utility model discloses the spacing subassembly of butterfly valve head has the turbine to open the use sketch map entirely.
Fig. 7 is the non-turbine fully-open use schematic diagram of the limiting component of the butterfly valve head of the utility model.
Fig. 8 is the utility model discloses the spacing subassembly of butterfly valve head does not have the turbine and closes the use schematic diagram entirely.
Number in the figure:
110 is a left arc-shaped hoop, 120 is a right arc-shaped hoop, 131 is a connecting lug plate, and 132 is a first bolt;
201 is a full-open limit stop lever, 202 is a full-close limit stop lever, 203 is a turbine limit plate, and 204 is a limit screw;
300 is a butterfly valve, 301 is a turbine, 302 is a handle.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1-8, the application discloses a butterfly valve head limiting assembly, which includes an annular valve head fixture, a fully-opened limiting stop lever 201, a fully-closed limiting stop lever 202, a turbine limiting plate 203 and a limiting screw 204, wherein the valve head fixture is fixedly arranged on the butterfly valve head; the fully-opened limiting stop lever 201 and the fully-closed limiting stop lever 202 are both fixedly arranged on the valve head fixture, and the fully-opened limiting stop lever 201 and the fully-closed limiting stop lever 202 are arranged at an included angle of 90 degrees; the turbine limiting plate 203 is fixedly arranged on the valve head fixture, and the turbine limiting plate 203 is positioned between the fully-opened limiting stop lever 201 and the fully-closed limiting stop lever 202; the limit screw 204 is provided on the turbine limit plate 203.
The valve head clamp in the embodiment comprises a left arc-shaped clamp 110, a right arc-shaped clamp 120 and a first bolt 132, wherein the left arc-shaped clamp 110 and the right arc-shaped clamp 120 are arranged oppositely, and two ends of the left arc-shaped clamp 110 and two ends of the right arc-shaped clamp 120 are respectively provided with a corresponding connecting lug plate 131; the first bolt 132 is disposed between the corresponding two connecting ear plates 131.
For the structure of the valve head fixture, the valve head fixture can be arranged to be in an open ring shape, two opposite end plates are arranged at the opening of the valve head fixture, and the two opposite end plates are fixedly connected through a second bolt. The design of the structure can be carried out according to specific conditions, and different structural forms can be selected according to the convenience of manufacture and installation.
Further, this application has still carried out the design of multiple embodiment to the connected mode of full-open spacing shelves pole 201, full-close spacing shelves pole 202 and turbine limiting plate 203, can select according to the condition of difference. The first method is as follows: the fully-opened limiting stop lever 201, the fully-closed limiting stop lever 202 and the turbine limiting plate 203 are welded and fixed on the valve head fixture; the second method comprises the following steps: the fully-opened limiting stop lever 201, the fully-closed limiting stop lever 202 and the turbine limiting plate 203 are fixed on the valve head fixture through bolts; the third method comprises the following steps: the full-open limiting stop lever 201, the full-close limiting stop lever 202 and the turbine limiting plate 203 are all integrally formed with the valve head fixture.
As shown in the figure, the turbine limiting plate 203 and the full-open limiting stop lever 201 are arranged in a stepped manner side by side, the setting of the turbine limiting plate can avoid blocking the handle when the handle 302 is operated, and meanwhile, the limiting screw can correspond to the turbine limiting plate, specifically, the position and the structural relationship of the turbine limiting plate 203 and the full-open limiting stop lever 201 can be an integrated structure, a split welding structure or a split structure, the integrated structure is selected in the embodiment, and the respective strength can be mutually reinforced.
In order to form effectual spacing between convenient stop screw and the turbine, adjust for convenient stop screw simultaneously, stop screw 204 and turbine limiting plate 203 of this application pass through threaded connection, the interior tip of stop screw 204 is conical to can realize the block with the tooth of turbine.
In the connection process of valve head fixture and butterfly valve head, take place not hard up after avoiding locking, improve the structural stability after the locking, this application still is provided with anti-skidding insection on the inner wall of valve head fixture.
During the use, demolish the butterfly valve head that damages and remain the turbine, weld operation tools such as word handle along the keyway direction on the turbine. Install the valve head fixture on the valve head of butterfly valve, the adjustment is opened spacing shelves pole, is closed spacing shelves pole and is corresponded with the switch position of butterfly valve turbine entirely, uses lockbolt to fix the valve head fixture on the butterfly valve body, through rotatory turbine stop screw of installing on the spacing support of turbine, makes turbine stop screw firmly insert the teeth of a cogwheel of turbine, avoids the aperture of valve undulant. When the valve is adjusted, the turbine limit screw is screwed out, the valve is adjusted to the required opening degree, then the limit screw is screwed in, and the turbine is tightly jacked.
When being applied to the butterfly valve of equidimension not, size, style, can carry out the change of size to the spacing subassembly of butterfly valve head to realize the spacing operation etc. of the butterfly valve head of equidimension not.
When the valve head of the butterfly valve which is not required to be adjusted in opening degree and is normally in a fully-open state is damaged, a worm and gear of the valve head is detached, operating handles such as a linear rod are welded, a fully-open limiting gear lever and a fully-closed limiting gear lever are adjusted to be corresponding to the position of the butterfly valve switch, the switch direction of the valve is limited between 90-degree included angles formed by the fully-open limiting gear lever and the fully-closed limiting gear lever, and therefore the problems that the valve is limited and an indicating device is invalid, and a person cannot distinguish the valve switch direction to cause operation errors and reverse switching are solved.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (7)
1. The utility model provides a spacing subassembly of butterfly valve head which characterized in that includes:
the annular valve head fixture is fixedly arranged on the valve head of the butterfly valve;
a full-open limit stop lever;
the fully-opened limiting stop lever and the fully-closed limiting stop lever are fixedly arranged on the valve head fixture and arranged at an included angle of 90 degrees;
the turbine limiting plate is fixedly arranged on the valve head clamp, and the turbine limiting plate is positioned between the full-open limiting stop lever and the full-close limiting stop lever; and
and the limiting screw is arranged on the turbine limiting plate.
2. The butterfly valve head stop assembly of claim 1, wherein the valve head clamp comprises:
a left arc-shaped hoop;
the left arc-shaped hoop and the right arc-shaped hoop are oppositely arranged, and two ends of the left arc-shaped hoop and two ends of the right arc-shaped hoop are respectively provided with a corresponding connecting lug plate; and
the first bolt is arranged between the two corresponding connecting lug plates.
3. The butterfly valve head limiting assembly according to claim 1, wherein the valve head clamp is in the shape of an open ring, two opposite end plates are arranged at the opening of the valve head clamp, and the two opposite end plates are fixedly connected through a second bolt.
4. The butterfly valve head limiting assembly of claim 1, wherein the fully open limiting stop lever, the fully closed limiting stop lever and the turbine limiting plate are welded and fixed to the valve head fixture; or
The fully-opened limiting stop lever, the fully-closed limiting stop lever and the turbine limiting plate are fixed on the valve head fixture through bolts; or
The full-open limiting stop lever, the full-close limiting stop lever and the turbine limiting plate are all integrated with the valve head fixture.
5. The butterfly valve head limiting assembly of claim 1, wherein the turbine limiting plate and the full open limiting stop lever are arranged side by side in a step shape, and the turbine limiting plate and the full open limiting stop lever are of an integrated structure, a split welded structure or a split structure.
6. The butterfly valve head limit assembly of claim 1, wherein the limit screw is in threaded connection with the turbine limit plate, and an inner end of the limit screw is conical.
7. The butterfly valve head limit assembly of claim 1, wherein the valve head clamp is provided with anti-slip insections on an inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220456738.9U CN217177633U (en) | 2022-03-04 | 2022-03-04 | Butterfly valve head limiting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220456738.9U CN217177633U (en) | 2022-03-04 | 2022-03-04 | Butterfly valve head limiting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217177633U true CN217177633U (en) | 2022-08-12 |
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ID=82744316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220456738.9U Active CN217177633U (en) | 2022-03-04 | 2022-03-04 | Butterfly valve head limiting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217177633U (en) |
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2022
- 2022-03-04 CN CN202220456738.9U patent/CN217177633U/en active Active
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