CN215891143U - Integral type slot butterfly valve - Google Patents

Abstract

The utility model relates to the technical field of groove butterfly valves, in particular to an integrated groove butterfly valve which comprises a valve pipe and a disc, wherein the top of the valve pipe is fixedly connected with a connecting pipe, the top of the connecting pipe is provided with a second flange, a valve shaft is movably arranged in the second flange through a bearing, the bottom of the valve shaft is provided with a spline, the bottom end of the inner part of the disc is provided with a shaft groove, the bottom of the shaft groove of the disc is provided with a tooth groove, and the valve shaft is movably connected with the disc. According to the utility model, the disc and the valve shaft are arranged, the valve shaft is inserted into the shaft groove arranged in the middle of the valve pipe during installation, the spline arranged at the bottom of the valve shaft is meshed in the tooth groove arranged at the bottom of the shaft groove close to the disc, the bottom of the valve shaft close to the spline is inserted into the slot, and the spline is used for meshing with the disc, so that the problem of leakage at the joint of the valve shaft and the disc is better solved, the control precision of a product is improved by the design of the spline, and later equipment maintenance and repair are more convenient and faster.

Description

Integral type slot butterfly valve

Technical Field

The utility model relates to the technical field of groove butterfly valves, in particular to an integrated groove butterfly valve.

Background

The groove butterfly valve adopts worm wheel and worm transmission, and then the cam rotates to press down or release the contact on the signal device according to a preset position, and correspondingly outputs an on-off electric signal to display the opening and closing state of the butterfly valve.

The valve rod of the existing groove butterfly valve adopts a structure of punching and adding a taper pin, and has the defects that leakage occurs at the matching part of a hole and a valve, the structural strength of a single pin is not enough, the pin is easy to break, and the maintenance is inconvenient and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an integrated groove butterfly valve, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the integrated groove butterfly valve comprises a valve pipe and a disc, wherein the top of the valve pipe is fixedly connected with a connecting pipe, the top of the connecting pipe is provided with a second flange, a valve shaft is movably mounted inside the second flange through a bearing, the bottom of the valve shaft is provided with a spline, the bottom end of the inside of the disc is provided with a shaft groove, the bottom of the shaft groove, which is located on the disc, is provided with a tooth groove, the valve shaft is movably connected with the disc, the spline is meshed with the tooth groove, the bottom of the valve pipe is provided with a shaft sleeve, the inside of the shaft sleeve is provided with a slot, and the bottom of the valve shaft is movably connected with the slot;

through the scheme, through setting up dish and valve shaft, insert the valve shaft during the installation in the shaft groove that the valve pipe middle part set up, the spline that the valve shaft bottom set up can mesh in the tooth's socket that the dish is close to shaft groove bottom and sets up simultaneously, the valve shaft is close to the bottom of spline and inserts in the slot, use spline meshing dish, the better problem of valve shaft and dish junction leakage of having solved, the design of spline improves the control accuracy of product more, to the plant maintenance and the maintenance in later stage convenient and fast more.

Preferably, a square box is fixedly mounted at the top of the second flange through a mounting disc, a transmission shell is arranged on one side of the square box, and a top cover is fixedly mounted at the top of the square box;

through the scheme, the top cover is arranged, so that the top cover can be detached from the top of the square box when parts in the square box need to be maintained;

preferably, a gear is arranged at one end, close to the inside of the square box, of the valve shaft, a second screw is arranged at one side, far away from the gear, of the square box, and a first screw is arranged inside the transmission shell;

through the scheme, the transmission shell is arranged, after the disc is installed, the top of the connecting pipe is connected with the installation disc through the second flange, the square box is arranged at the top of the installation disc, the gear is installed at the top of the valve shaft in the square box, the second screw rod is arranged on one side, close to the transmission shell, of the square box, the first screw rod is arranged in the transmission shell, when the disc needs to be operated to be opened and closed, the second screw rod is driven to rotate synchronously after the first screw rod rotates, the gear is driven to rotate, the valve shaft is driven to rotate while the gear rotates, the valve shaft and the disc installed together achieve opening and closing actions, and therefore the purpose of facilitating adjustment is achieved;

preferably, a connecting shaft is fixedly connected to one side of the first screw rod, which is far away from the transmission shell, and a valve is fixedly mounted on one side of the connecting shaft, which is far away from the first screw rod;

through the scheme, the valve is arranged, when the disc needs to be operated, the valve is rotated, the valve drives the first screw rod to rotate through the connecting shaft, and the valve is disc-type, so that the effect of saving labor can be achieved;

preferably, first flanges are arranged on two sides of the valve pipe, and a plurality of mounting holes are formed in outer rings of the first flanges on the two sides;

through the scheme, the two ends of the valve pipe can be connected with an external pipeline by arranging the first flange;

preferably, a rubber inner pad is arranged inside the valve pipe;

through above-mentioned scheme, through setting up the interior pad of rubber, the pad can play certain sealed effect in the rubber.

Compared with the prior art, the utility model has the beneficial effects that:

1. this integral type slot butterfly valve, through setting up dish and valve shaft, insert the shaft groove that the valve pipe middle part set up with the valve shaft during the installation, the spline that the valve shaft bottom set up can mesh in the tooth's socket that the dish is close to shaft groove bottom and sets up, the valve shaft is close to the bottom of spline and inserts in the slot, use spline meshing dish, better solution the problem that valve shaft and dish junction leaked, the design of spline improves the control accuracy of product more, to the maintenance of the equipment in later stage and maintenance convenient and fast more.

2. This integral type slot butterfly valve, through setting up the transmission shell, after the dish installation finishes, the connecting pipe top is through second flange joint mounting disc, the square box that the top of mounting disc set up, its inside top installation gear at the valve shaft, one side that the square box is close to the transmission shell sets up the second screw rod, the inside of transmission shell sets up first screw rod, when needs operation dish was opened and was closed, drive the synchronous rotation of second screw rod after first screw rod rotated, thereby drive gear revolve, drive the valve shaft rotation when gear revolve, the valve shaft is realized opening and closed action together with the dish of installing together, thereby reach the purpose of convenient regulation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the square box of the present invention;

FIG. 3 is a schematic view of a disk mounting structure of the present invention;

FIG. 4 is a schematic view of the spline mounting arrangement of the present invention;

FIG. 5 is a schematic top view of the disk of the present invention.

In the figure: 1. a valve tube; 2. a disc; 3. a connecting pipe; 4. a second flange; 5. a bearing; 6. a valve shaft; 7. a spline; 8. a shaft groove; 9. a tooth socket; 10. a shaft sleeve; 11. a slot; 12. mounting a disc; 13. a square box; 14. a drive housing; 15. a top cover; 16. a gear; 17. a second screw; 18. a first screw; 19. a connecting shaft; 20. a valve; 21. a first flange; 22. mounting holes; 23. and a rubber inner pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, a technical solution provided by the present invention is:

an integrated groove butterfly valve comprises a valve pipe 1 and a disc 2, wherein the top of the valve pipe 1 is fixedly connected with a connecting pipe 3, the top of the connecting pipe 3 is provided with a second flange 4, a valve shaft 6 is movably mounted inside the second flange 4 through a bearing 5, the bottom of the valve shaft 6 is provided with a spline 7, the bottom inside the disc 2 is provided with a shaft groove 8, the bottom of the disc 2, which is positioned at the shaft groove 8, is provided with a tooth groove 9, the valve shaft 6 is movably connected with the disc 2, the spline 7 is meshed with the tooth groove 9, the bottom of the valve pipe 1 is provided with a shaft sleeve 10, the inside of the shaft sleeve 10 is provided with a slot 11, and the bottom of the valve shaft 6 is movably connected with the slot 11;

through the above scheme, through setting up dish 2 and valve shaft 6, insert valve shaft 6 during the installation in the axle box 8 that valve pipe 1 middle part set up, spline 7 that 6 bottoms of valve shaft set up simultaneously can mesh in the tooth's socket 9 that dish 2 is close to 8 bottoms of axle box setting, valve shaft 6 is close to the bottom of spline 7 and inserts in slot 11, use 7 meshing dishes 2 of spline, the better problem of valve shaft 6 and 2 junctions of dish leak of solution, the design of spline 7 improves the control accuracy of product more, to the maintenance of the equipment in later stage and maintenance convenient and fast more.

In this embodiment, preferably, a square box 13 is fixedly mounted on the top of the second flange 4 through a mounting plate 12, a transmission shell 14 is arranged on one side of the square box 13, and a top cover 15 is fixedly mounted on the top of the square box 13;

through the scheme, by arranging the top cover 15, when parts in the square box 13 need to be maintained, the top cover 15 can be detached from the top of the square box 13;

in this embodiment, preferably, a gear 16 is disposed at one end of the valve shaft 6 close to the inside of the square box 13, a second screw 17 is disposed at one side of the square box 13 far from the gear 16, and a first screw 18 is disposed inside the transmission housing 14;

through the scheme, by arranging the transmission shell 14, after the disc 2 is installed, the top of the connecting pipe 3 is connected with the mounting disc 12 through the second flange 4, the square box 13 is arranged at the top of the mounting disc 12, the gear 16 is arranged at the top of the valve shaft 6 in the square box 13, the second screw 17 is arranged on one side, close to the transmission shell 14, of the square box 13, the first screw 18 is arranged in the transmission shell 14, when the disc 2 needs to be operated to be opened and closed, the first screw 18 rotates to drive the second screw 17 to synchronously rotate, so that the gear 16 is driven to rotate, the gear 16 rotates to drive the valve shaft 6 to rotate, the valve shaft 6 and the disc 2 which is installed together realize opening and closing actions, and the purpose of convenient adjustment is achieved;

in this embodiment, preferably, a connecting shaft 19 is fixedly connected to one side of the first screw 18 away from the transmission housing 14, and a valve 20 is fixedly mounted on one side of the connecting shaft 19 away from the first screw 18;

through the scheme, by arranging the valve 20, when the disc 2 needs to be operated, the valve 20 is rotated, the valve 20 drives the first screw rod 18 to rotate through the connecting shaft 19, and the valve 20 is of a disc type and can play a role in saving labor;

in this embodiment, preferably, the first flanges 21 are disposed on both sides of the valve pipe 1, and the outer rings of the first flanges 21 on both sides are provided with a plurality of mounting holes 22;

through the scheme, by arranging the first flange 21, two ends of the valve pipe 1 can be connected with an external pipeline by using the first flange 21;

in this embodiment, preferably, a rubber inner pad 23 is disposed inside the valve tube 1;

through the scheme, the rubber inner pad 23 can play a certain sealing role by arranging the rubber inner pad 23.

When the integrated groove butterfly valve is used, the disc 2 and the valve shaft 6 are arranged, the valve shaft 6 is inserted into the shaft groove 8 arranged in the middle of the valve pipe 1 during installation, meanwhile, the spline 7 arranged at the bottom of the valve shaft 6 is meshed with the tooth groove 9 arranged at the bottom of the disc 2 close to the shaft groove 8, the bottom of the valve shaft 6 close to the spline 7 is inserted into the slot 11, the spline 7 is meshed with the disc 2, the problem of leakage at the joint of the valve shaft 6 and the disc 2 is better solved, the design of the spline 7 improves the control precision of the product, the later equipment maintenance and repair are more convenient and faster, the transmission shell 14 is arranged, after the disc 2 is installed, the top of the connecting pipe 3 is connected with the mounting disc 12 through the second flange 4, the square box 13 arranged at the top of the mounting disc 12 is internally provided with the gear 16 arranged at the top of the valve shaft 6, one side, close to the transmission shell 14, of the square box 13 is provided with the second screw 17, the first screw rod 18 is arranged in the transmission shell 14, when the disc 2 needs to be operated to be opened and closed, the first screw rod 18 rotates to drive the second screw rod 17 to synchronously rotate, so that the gear 16 is driven to rotate, the gear 16 rotates to drive the valve shaft 6 to rotate, the valve shaft 6 and the disc 2 which is installed together realize opening and closing actions, and the purpose of convenient adjustment is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Integral type slot butterfly valve is including valve pipe (1) and dish (2), its characterized in that: the top fixedly connected with connecting pipe (3) of valve pipe (1), the top of connecting pipe (3) is provided with second flange (4), there is valve shaft (6) inside of second flange (4) through bearing (5) movable mounting, the bottom of valve shaft (6) is provided with spline (7), the inside bottom of dish (2) is provided with axle groove (8), the bottom that dish (2) are located axle groove (8) is provided with tooth's socket (9), valve shaft (6) swing joint dish (2), spline (7) meshing tooth's socket (9), the bottom of valve pipe (1) is provided with axle sleeve (10), the inside of axle sleeve (10) is provided with slot (11), the bottom swing joint slot (11) of valve shaft (6).

2. The integrated groove butterfly valve of claim 1, wherein: the top of second flange (4) has square box (13) through mounting disc (12) fixed mounting, one side of square box (13) is provided with driving case (14), the top fixed mounting of square box (13) has top cap (15).

3. The integrated groove butterfly valve of claim 2, wherein: a gear (16) is arranged at one end, close to the square box (13), of the valve shaft (6), a second screw (17) is arranged on one side, far away from the gear (16), of the square box (13), and a first screw (18) is arranged inside the transmission shell (14).

4. The integrated groove butterfly valve of claim 3, wherein: one side end of the first screw rod (18) far away from the transmission shell (14) is fixedly connected with a connecting shaft (19), and one side of the connecting shaft (19) far away from the first screw rod (18) is fixedly provided with a valve (20).

5. The integrated groove butterfly valve of claim 1, wherein: the two sides of the valve pipe (1) are provided with first flanges (21), and the outer rings of the first flanges (21) on the two sides are provided with a plurality of mounting holes (22).

6. The integrated groove butterfly valve of claim 1, wherein: and a rubber inner pad (23) is arranged in the valve pipe (1).

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