CN218913773U - Novel pneumatic butterfly valve - Google Patents

Abstract

The utility model relates to a novel pneumatic butterfly valve, its including have medium passageway butterfly valve body, movable mounting in circular butterfly plate in the butterfly valve body medium passageway, set up in the pneumatic subassembly at butterfly valve body top, pneumatic subassembly is used for driving circular butterfly plate and opens and close the medium passageway, butterfly valve body bottom is provided with the installation casing, circular butterfly plate passes through the dwang and is connected with pneumatic subassembly, the dwang lower extreme is connected with the butterfly valve body rotation, just the dwang lower extreme extends to in the installation casing, be provided with in the installation casing with the manual subassembly of opening and close that the dwang lower extreme is connected, manual subassembly of opening and close is used for driving the dwang and rotates. The pneumatic butterfly valve provided by the application can still be opened or closed in time in a manual mode when the pneumatic component fails.

Description

Novel pneumatic butterfly valve

Technical Field

The application relates to the field of pneumatic butterfly valve technology, in particular to a novel pneumatic butterfly valve.

Background

The pneumatic butterfly valve consists of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve is a pneumatic valve which uses a circular butterfly plate rotating along with a valve rod to perform opening and closing, is mainly used as a cut-off valve, can also be designed to have the function of adjusting or adjusting a section valve and has more and more functions in low-pressure large-medium caliber pipelines.

However, the existing pneumatic butterfly valve has certain defects in use, and once a pneumatic component is damaged in the use process, a user cannot timely open or close the valve, so that improvement is needed.

Disclosure of Invention

Aiming at the defects of the technology, the application provides a novel pneumatic butterfly valve.

The application provides a novel pneumatic butterfly valve adopts following technical scheme:

the utility model provides a novel pneumatic butterfly valve, including butterfly valve body, movable mounting with medium passageway in butterfly valve body medium passageway circular butterfly plate, set up in the pneumatic subassembly at butterfly valve body top, pneumatic subassembly is used for driving circular butterfly plate and opens and close medium passageway, butterfly valve body bottom is provided with the installation casing, circular butterfly plate passes through the dwang and is connected with pneumatic subassembly, the dwang lower extreme is rotated with butterfly valve body and is connected, just the dwang lower extreme extends to in the installation casing, be provided with in the installation casing with the manual subassembly of opening and close that the dwang lower extreme is connected, manual subassembly of opening and close is used for driving the dwang and rotates.

Preferably, the manual opening and closing assembly comprises a first bevel gear, a second bevel gear and a manual rotating rod, wherein the first bevel gear is fixedly sleeved at the lower end of the rotating rod, the manual rotating rod is rotationally connected with the installation shell, one end of the manual rotating rod penetrates through the side wall of the installation shell and extends to the outside of the installation shell, the second bevel gear is fixedly sleeved at one end of the manual rotating rod, which is located in the installation shell, and the second bevel gear is meshed with the first bevel gear for transmission.

Preferably, the installation casing includes fixed plate and casing body, the casing body has upper portion opening and side opening, fixed plate and butterfly valve body bottom fixed connection, casing body upper portion opening and side opening all are provided with the connection lug, connection lug accessible threaded connection spare can dismantle with butterfly valve body or fixed plate and be connected.

Preferably, the fixing plate is provided with a countersunk hole, and one end of the manual rotating rod extends into the countersunk hole.

Preferably, the manual rotating rod is rotatably connected with the fixed plate through a bearing.

Preferably, the rotary handle is further included, a clamping block is fixedly arranged on the peripheral side face of one end of the manual rotary rod in the counter bore, a clamping groove is formed in the end face of one end of the rotary handle, and the clamping block can be inserted into the clamping groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up manual opening and closing the subassembly, when pneumatic subassembly became invalid, the accessible was inserted the rotation handle and is located manual bull stick tip to make the fixture block card locate in the draw-in groove, rotate manual bull stick, drive the dwang through the transmission relation of first bevel gear and second bevel gear and rotate, and then realize rotating circular butterfly plate, the effect of opening and close the medium passageway, make the user can in time open or close the valve when pneumatic subassembly damages;

2. through setting up the structure of fixed plate and casing body, can make things convenient for follow-up user to maintain the pneumatic butterfly valve.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of a mounting housing and a manual opening and closing assembly according to an embodiment of the present application.

Fig. 3 is a schematic view of the structure of the turning handle according to the embodiment of the present application.

Reference numerals illustrate: 1. a butterfly valve body; 2. a circular butterfly plate; 3. a pneumatic assembly; 4. a media channel; 5. a mounting shell; 51. a housing body; 52. a fixing plate; 53. a countersunk hole; 6. a rotating lever; 7. a manual opening and closing assembly; 71. a first bevel gear; 72. a second bevel gear; 73. a manual rotating rod; 74. rotating the handle; 75. a clamping block; 76. a clamping groove.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a novel pneumatic butterfly valve. Referring to fig. 1 and 2, the novel pneumatic butterfly valve comprises a butterfly valve body 1, a circular butterfly plate 2, a pneumatic assembly 3, a mounting housing 5 and a manual opening and closing assembly 7. The butterfly valve body 1 is provided with a medium channel 4 with a circular cross section, the circular butterfly plate 2 is movably arranged in the medium channel 4, the pneumatic assembly 3 is arranged above the butterfly valve body 1, and the output end of the pneumatic assembly 3 is connected with the circular butterfly plate 2 through a rotating rod 6 so as to drive the circular butterfly plate 2 to rotate in the medium channel 4, and the function of opening and closing the medium channel 4 is realized. The installation casing 5 is installed in butterfly valve body 1 bottom, and the lower extreme of dwang 6 then passes butterfly valve body 1 and extends to in the installation casing 5, and dwang 6 lower extreme and butterfly valve body 1 rotate and be connected, and manual start and stop subassembly 7 then sets up in installation casing 5 for drive dwang 6 rotates, in order to play when pneumatic subassembly 3 became invalid, rotate circular butterfly plate 2, in time opens and close the effect of medium passageway 4.

In this embodiment, the lower end of the rotating rod 6 may be rotatably connected to the butterfly valve body 1 through a bearing, and may be provided with a skeleton oil seal or a mechanical seal at the joint, so as to realize sealing treatment at the joint of the bearing.

Specifically, referring to fig. 1 and 2, the manual opening and closing assembly 7 includes a first bevel gear 71, a second bevel gear 72 and a manual rotating rod 73, the first bevel gear 71 is fixedly sleeved at the lower end of the rotating rod 6, the manual rotating rod 73 is rotationally connected with the installation housing 5, one end of the manual rotating rod 73 penetrates through the side wall of the installation housing 5 and extends to the outside of the installation housing 5, the second bevel gear 72 is fixedly sleeved at one end of the manual rotating rod 73 located in the installation housing 5, and the second bevel gear 72 is meshed with the first bevel gear 71 for transmission. Therefore, when the pneumatic assembly 3 fails, the rotary rod 73 is used for driving the rotary rod 6 to rotate through rotating the manual rotary rod, and then the round butterfly plate 2 is driven to rotate, so that the function of timely opening and closing the medium channel 4 is achieved.

Preferably, referring to fig. 1 and 2, the mounting housing 5 includes a fixing plate 52 and a housing body 51, the housing body 51 has an upper opening and a side opening, the fixing plate 52 is fixedly connected with the bottom of the butterfly valve body, the upper opening and the side opening of the housing body 51 are both provided with connecting lugs, and the connecting lugs can be detachably connected with the butterfly valve body or the fixing plate 52 through a threaded connection piece. The installation shell 5 is split into the fixing plate 52 and the shell body 51, so that a user can conveniently operate when the manual opening and closing assembly 7 or the framework oil seal at the bearing needs maintenance or repair.

Further, referring to fig. 2, a counter bore 53 is formed in the fixed plate 52, one end of the manual rotating rod 73 extends into the counter bore 53, and the manual rotating rod 73 is rotatably connected with the fixed plate 52 through a bearing, when the pneumatic assembly 3 works normally, that is, the circular butterfly plate 2 rotates, the rotating rod 6 can drive the manual rotating rod 73 to rotate through the transmission relation between the first bevel gear 71 and the second bevel gear 72, and the counter bore 53 is provided, so that the manual rotating rod 73 can be prevented from extending out of the fixed plate 52 and interfering with the external environment.

Referring to fig. 2 and 3, in order to facilitate the user to rotate the manual rotating rod 73, the pneumatic butterfly valve of the present embodiment further provides a rotating handle 74, and in order to facilitate the rotating handle 74 to rotate the manual rotating rod 73, a clamping block 75 is fixedly disposed on the peripheral side surface of the end portion of the manual rotating rod 73, a slot adapted to the end portion of the manual rotating rod 73 is formed on the end surface of the rotating handle 74, a clamping slot 76 communicating with the slot is formed at the end portion of the rotating handle 74, and when the manual mounting end portion is inserted into the slot of the rotating handle 74, the clamping block 75 can be synchronously clamped in the clamping slot 76, so that the user can rotate the manual rotating rod 73 through the rotating handle 74.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. The utility model provides a novel pneumatic butterfly valve, including butterfly valve body (1) that has medium passageway (4), movable mounting in circular butterfly plate (2) in butterfly valve body (1) medium passageway (4), set up in pneumatic subassembly (3) at butterfly valve body (1) top, pneumatic subassembly (3) are used for driving circular butterfly plate (2) and open and close medium passageway (4), its characterized in that: the butterfly valve is characterized in that an installation shell (5) is arranged at the bottom of the butterfly valve body (1), the round butterfly plate (2) is connected with the pneumatic assembly (3) through a rotating rod (6), the lower end of the rotating rod (6) is rotationally connected with the butterfly valve body (1), the lower end of the rotating rod (6) extends into the installation shell (5), a manual opening and closing assembly (7) connected with the lower end of the rotating rod (6) is arranged in the installation shell (5), and the manual opening and closing assembly (7) is used for driving the rotating rod (6) to rotate.

2. The novel pneumatic butterfly valve of claim 1, wherein: the manual opening and closing assembly (7) comprises a first bevel gear (71), a second bevel gear (72) and a manual rotating rod (73), wherein the first bevel gear (71) is fixedly sleeved at the lower end of the rotating rod (6), the manual rotating rod (73) is rotationally connected with the installation shell (5), one end of the manual rotating rod (73) penetrates through the side wall of the installation shell (5) and extends to the outside of the installation shell (5), the second bevel gear (72) is fixedly sleeved at one end of the manual rotating rod (73) located in the installation shell (5), and the second bevel gear (72) is meshed with the first bevel gear (71).

3. The novel pneumatic butterfly valve of claim 2, wherein: the mounting shell (5) comprises a fixing plate (52) and a shell body (51), the shell body (51) is provided with an upper opening and a side opening, the fixing plate (52) is fixedly connected with the bottom of the butterfly valve body, connecting lugs are arranged on the upper opening and the side opening of the shell body (51), and the connecting lugs can be detachably connected with the butterfly valve body or the fixing plate (52) through threaded connectors.

4. A novel pneumatic butterfly valve according to claim 3, wherein: the fixed plate (52) is provided with a countersunk hole (53), and one end of the manual rotating rod (73) extends into the countersunk hole (53).

5. A novel pneumatic butterfly valve according to claim 3, wherein: the manual rotating rod (73) is rotatably connected with the fixed plate (52) through a bearing.

6. The novel pneumatic butterfly valve of claim 4, wherein: still include twist grip (74), manual bull stick (73) are arranged in countersink (53) one end week side fixedly are provided with fixture block (75), draw-in groove (76) have been seted up to the one end terminal surface of twist grip (74), fixture block (75) can be inserted and locate in draw-in groove (76).

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