CN217559032U

CN217559032U - Butterfly valve convenient to change case

Info

Publication number: CN217559032U
Application number: CN202123176859.2U
Authority: CN
Inventors: 盛志明; 蒋可贞; 韩光前
Original assignee: Ningbo Fenghua Shengling Pneumatic Electric Co ltd
Current assignee: Ningbo Fenghua Shengling Pneumatic Electric Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-10-11
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to a butterfly valve convenient to change case belongs to butterfly valve technical field, including the valve body, the inner wall fixed mounting of valve body has the disk seat. The utility model discloses, accessible drive handle rotates the threaded rod, make the threaded rod pull out the connecting rod under the threaded connection effect of transmission case, make the fixture block of connecting rod outer wall can drive toggle gear and rotate, toggle gear drives and rotates the valve rod and rotate thereby drive the shutoff board ninety degrees rotation shutoff disk seat, make the valve body both sides no longer circulate, toggle gear top fixed connection's steering needle corresponds the orientation with the shutoff board unanimously, thereby make the user can observe the orientation of steering needle through the observation window and confirm the orientation of shutoff board, when the long-time use needs the replacement of shutoff board, can dismantle the valve body, press from both sides the waterproof plug of fixed plate department, the set screw is opened in the rotation, remove the shutoff board, the fixed of rotation valve rod and fixed plate, make shutoff board and the fixed plate of case can the separation dismantlement, be convenient for maintenance work go on.

Description

Butterfly valve convenient to change case

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve convenient to change case.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a butterfly valve with a closing part (a valve clack or a butterfly plate) as a disk, and the valve which rotates around a valve shaft to open and close 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The friction that current butterfly valve after carrying out long-time use because fluidic corrosive action and long-term opening and shutting action produced is impaired for the butterfly valve case need regularly change in order to guarantee sealed effect, and current butterfly valve case need demolish the butterfly valve whole and just can demolish, causes maintenance work to be difficult to go on, and the unable visual observation butterfly valve of current valve turns to, "switch" typeface mark inconvenient recognition after long-term use, influences the later stage easily and uses.

SUMMERY OF THE UTILITY MODEL

The utility model provides a butterfly valve convenient to change case has solved the inconvenient problem of changing and the unable visual observation butterfly valve that turns to of current valve directly perceived of current butterfly valve case.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a butterfly valve convenient to change case, includes the valve body, the inner wall fixed mounting of valve body has the disk seat, the top through connection of valve body has a rotation section of thick bamboo, the top fixed mounting who rotates a section of thick bamboo has the transmission case, the positive surface of transmission case is close to right side edge through connection and has the threaded rod, the positive surface one end fixedly connected with drive handle of threaded rod, the inner wall fixed mounting who rotates a section of thick bamboo has the top-mounted sealing bearing, the inner wall swivelling joint of top-mounted sealing bearing has the rotation valve rod, the top fixed mounting who rotates the valve rod has stirring gear, the one end fixed mounting that the drive handle was kept away from to the threaded rod has connecting bearing, connecting bearing's inner wall swivelling joint has the connecting rod, the top through connection of transmission case has the observation window, stirring gear's top fixedly connected with turns to the needle, the left side cover that rotates the valve rod is equipped with the shutoff board, the right side cover that rotates the valve rod is equipped with the fixed plate.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, both sides fixed mounting of connecting rod has the gag lever post, the sliding tray with gag lever post looks adaptation is seted up to the inner wall of transmission case.

Further, the toggle gear is generally arranged in a tooth block structure and is generally arranged in a disc structure.

Furthermore, the intermediate position of rotation valve rod seted up with the annular groove, just the equal fixed mounting of outer wall of shutoff board and fixed plate has the draw-in groove with annular groove looks adaptation.

Further, the both sides of disk seat are equal fixed mounting have the slipmat, the right side that shutoff board, fixed plate and rotation valve rod are close to both sides edge and all seted up the screw hole, just shutoff board, fixed plate and rotation valve rod pass through screw fixed connection.

Further, the joint in screw hole inner wall edge on fixed plate right side has waterproof plug, the screw hole with threaded rod looks adaptation is seted up on the right side of transmission case, just transmission case and threaded rod threaded connection.

Furthermore, the inner wall bottom intermediate position of disk seat has seted up and has rotated the groove, just the bottom fixed mounting of rotation valve rod has the turning block, rotate groove and rotation groove sliding connection.

Furthermore, a tooth block matched with the shifting gear is fixedly installed on one side of the front surface of the connecting rod, and the connecting rod is connected with the shifting gear in a meshed mode through the tooth block.

The utility model provides a butterfly valve convenient to change case has following advantage:

when the valve needs to be closed, the threaded rod can be rotated by the aid of the drive handle, the threaded rod is pulled out under the threaded connection effect of the transmission box, a clamping block on the outer wall of the connecting rod can drive the shifting gear to rotate, the shifting gear drives the rotating valve rod to rotate so as to drive the plugging plate to rotate ninety degrees and rotate the plugging valve seat, two sides of the valve body are not circulated any more, the steering needle fixedly connected to the top of the shifting gear corresponds to the plugging plate and faces the same direction, a user can observe the direction of the steering needle through the observation window to determine the direction of the plugging plate, the plugging plate needs to be replaced when being used for a long time, the valve body can be disassembled, the waterproof plug at the fixed plate can be clamped out, the fixing screw is opened in a rotating mode, the plugging plate is disassembled, the fixing valve rod and the fixed plate are rotated, the plugging plate and the fixed plate of the valve core can be separated and disassembled, and maintenance work can be carried out conveniently.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a three-dimensional effect diagram of a butterfly valve with a valve core convenient to replace according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a transmission case in a butterfly valve convenient for replacing a valve element according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a valve body in a butterfly valve convenient for replacing a valve core according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a blocking plate in a butterfly valve convenient to change a valve element provided by an embodiment of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a valve body; 2. a valve seat; 3. a rotating drum; 4. a transmission case; 5. a threaded rod; 6. a drive handle; 7. a top-mounted sealed bearing; 8. rotating the valve stem; 9. shifting a gear; 10. connecting a bearing; 11. a connecting rod; 12. an observation window; 13. a steering needle; 14. a plugging plate; 15. a fixing plate; 16. a limiting rod.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in a very simplified form and are not to precise scale, which is only used for the purpose of facilitating and clearly explaining the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, a butterfly valve convenient to change case, including valve body 1, the inner wall fixed mounting of valve body 1 has disk seat 2, the top through connection of valve body 1 has a rotary cylinder 3, the top fixed mounting of rotary cylinder 3 has transmission case 4, the positive surface of transmission case 4 is close to right side edge through connection and has threaded rod 5, the positive surface one end fixedly connected with drive handle 6 of threaded rod 5, the inner wall fixed mounting of rotary cylinder 3 has sealed bearing 7, the inner wall swivelling joint of top-mounted sealed bearing 7 has rotary valve rod 8, the top fixed mounting of rotary valve rod 8 has toggle gear 9, the one end fixed mounting that drive handle 6 was kept away from to threaded rod 5 has connecting bearing 10, the inner wall swivelling joint of connecting bearing 10 has connecting rod 11, the top through connection of transmission case 4 has observation window 12, the top fixedly connected with of toggle gear 9 turns to the needle 13, the left side cover of rotary valve rod 8 is equipped with shutoff board 14, the right side cover of rotary valve rod 8 is equipped with fixed plate 15.

Preferably, both sides of the connecting rod 11 are fixedly provided with a limiting rod 16, and the inner wall of the transmission case 4 is provided with a sliding groove matched with the limiting rod 16.

Preferably, the toggle gear 9 is generally arranged in a toothed block configuration, generally in a disc configuration.

Preferably, the middle position of the rotary valve rod 8 is provided with an annular groove, and the outer walls of the plugging plate 14 and the fixing plate 15 are fixedly provided with clamping grooves matched with the annular groove.

Preferably, the equal fixed mounting in both sides of disk seat 2 has the slipmat, and the right side of shutoff board 14, fixed plate 15 and rotation valve rod 8 is close to both sides edge and has all seted up the screw hole, and shutoff board 14, fixed plate 15 and rotation valve rod 8 pass through screw fixed connection.

Preferably, the joint of screw hole inner wall edge on fixed plate 15 right side has waterproof plug, and the right side of transmission case 4 is seted up with the screw hole of 5 looks adaptations of threaded rod, and

transmission case

4 and 5 threaded connection of threaded rod.

Preferably, the middle position of the bottom of the inner wall of the valve seat 2 is provided with a rotating groove, the bottom of the rotating valve rod 8 is fixedly provided with a rotating block, and the rotating groove is connected with the rotating groove in a sliding manner.

Preferably, a tooth block matched with the toggle gear 9 is fixedly installed on one side of the front surface of the connecting rod 11, and the connecting rod 11 is meshed and connected with the toggle gear 9 through the tooth block.

The utility model discloses a concrete theory of operation and application method do: when the valve needs to be closed, the threaded rod 5 can be rotated by the aid of the driving handle 6, the threaded rod 5 is made to pull out the connecting rod 11 under the threaded connection effect of the transmission case 4, a clamping block on the outer wall of the connecting rod 11 can drive the toggle gear 9 to rotate, the toggle gear 9 drives the rotary valve rod 8 to rotate so as to drive the plugging plate 14 to rotate to ninety degrees to plug the valve seat 2, two sides of the valve body 1 are made not to circulate any more, the steering needle 13 of the top fixed connection of the toggle gear 9 corresponds to the plugging plate 14 in the same direction, a user can observe the direction of the steering needle 13 through the observation window 12 so as to determine the direction of the plugging plate 14, when the plugging plate 14 needs to be replaced after being used for a long time, the valve body 1 can be disassembled, the waterproof plug at the fixed plate 15 is clamped out, the fixing screw is opened in a rotating mode, the fixation of the plugging plate 14 and the fixed plate 15 of the valve core can be separated and disassembled, and maintenance work can be facilitated.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a butterfly valve convenient to change case, includes valve body (1), its characterized in that: the inner wall fixed mounting of valve body (1) has disk seat (2), the top through connection of valve body (1) has a rotation section of thick bamboo (3), the top fixed mounting who rotates a section of thick bamboo (3) has transmission case (4), the positive surface of transmission case (4) is close to right side edge through connection and has threaded rod (5), the positive surface one end fixedly connected with drive handle (6) of threaded rod (5), the inner wall fixed mounting who rotates a section of thick bamboo (3) has overhead sealed bearing (7), the inner wall swivelling joint of overhead sealed bearing (7) has rotation valve rod (8), the top fixed mounting who rotates valve rod (8) has toggle gear (9), the one end fixed mounting that drive handle (6) were kept away from in threaded rod (5) has connecting bearing (10), the inner wall swivelling joint of connecting bearing (10) has connecting rod (11), the top through connection of transmission case (4) has observation window (12), the top fixedly connected with of toggle gear (9) turns to needle (13), the left side cover that rotates valve rod (8) is equipped with closure plate (14), the right side rotation cover of valve rod (8) is equipped with fixed plate (15).

2. The butterfly valve convenient for replacing the valve core according to claim 1, wherein a limiting rod (16) is fixedly installed at two sides of the connecting rod (11), and a sliding groove matched with the limiting rod (16) is formed in the inner wall of the transmission case (4).

3. The butterfly valve with easy replacement of the cartridge according to claim 1, characterized in that the toggle gear (9) is generally provided as a toothed block structure, generally as a disk structure.

4. The butterfly valve with the valve core convenient to replace according to claim 1, wherein a circular groove is formed in the middle of the rotary valve rod (8), and clamping grooves matched with the circular groove are fixedly arranged on the outer walls of the blocking plate (14) and the fixing plate (15).

5. The butterfly valve with the valve element convenient to replace according to claim 1, wherein anti-slip pads are fixedly installed on two sides of the valve seat (2), screw holes are formed in the right sides, close to the edges of the two sides, of the blocking plate (14), the fixing plate (15) and the rotating valve rod (8), and the blocking plate (14), the fixing plate (15) and the rotating valve rod (8) are fixedly connected through screws.

6. The butterfly valve convenient for replacing the valve core according to claim 1, wherein a waterproof rubber plug is clamped at the edge of the inner wall of the screw hole at the right side of the fixing plate (15), a screw hole matched with the threaded rod (5) is formed at the right side of the transmission case (4), and the transmission case (4) is in threaded connection with the threaded rod (5).

7. The butterfly valve convenient for replacing the valve core according to claim 1, wherein a rotation groove is formed in the middle of the bottom of the inner wall of the valve seat (2), a rotation block is fixedly mounted at the bottom of the rotation valve rod (8), and the rotation groove is slidably connected with the rotation groove.

8. The butterfly valve with the valve core convenient to replace according to claim 1, wherein a tooth block matched with the toggle gear (9) is fixedly installed on one side of the front surface of the connecting rod (11), and the connecting rod (11) is meshed with the toggle gear (9) through the tooth block.