CN211624205U - Silencing signal butterfly valve - Google Patents

Abstract

The utility model discloses an amortization signal butterfly valve, which relates to the technical field of signal butterfly valves and comprises a valve body and a transmission case fixedly arranged at the upper end of the valve body, wherein the side surface of the transmission case is fixedly provided with a transmission shaft, the inside of the transmission shaft is provided with a movable cavity, the inner side end of the movable cavity is movably sleeved with a movable shaft, the surface of one end of the movable shaft is provided with an embedded groove, the surface of the inner side end of the movable cavity is provided with a positioning groove, the inner side of the positioning groove is fixedly provided with a first positioning magnetic block, the other end of the movable shaft is fixedly provided with a positioning lug, and is provided with the transmission shaft, the movable cavity, a limiting chute, the positioning groove, the first positioning magnetic block, the movable shaft, a limiting slider, the positioning lug and a second positioning magnetic block, so that a hand wheel is convenient, the hand wheel reduces the butterfly valve volume after inwards accomodating, is favorable to saving the occupation space of butterfly valve.

Description

Silencing signal butterfly valve

Technical Field

The utility model relates to a signal butterfly valve technical field specifically is an amortization signal butterfly valve.

Background

The valve 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 a valve body, so that the opening and closing or adjusting purpose is achieved, the butterfly valve is called a flap valve, and is a regulating valve with a simple structure, the butterfly valve which can be used for the on-off control of a low-pressure pipeline medium is a valve, wherein a closing piece (a valve clack or the butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and the butterfly valve with a silencing signal is suitable for system pipelines of petroleum, chemical engineering, food, medicine, papermaking, hydropower, ships, water supply and drainage, smelting, energy and the like. The device can be used as a regulating and throttling device on various corrosive and non-corrosive gas, liquid, semi-fluid and solid powder pipelines and containers.

However, traditional amortization signal butterfly valve is in the use, because structural constraint, the hand wheel can not outwards extend or inwards accomodate, can't satisfy and be applicable to according to user's different user demands to the hand wheel can not install fast on the transfer line and dismantle, and the later stage of being not convenient for is changed or is maintained the processing to the hand wheel, and consequently, technical personnel in the field provide a amortization signal butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an amortization signal butterfly valve to propose traditional amortization signal butterfly valve in solving above-mentioned background art in the use, because structural constraint, the hand wheel can not outwards extend or inwards accomodate, can't satisfy and be applicable to according to user's different user demands, and the hand wheel can not install fast on the transfer line and dismantle, be not convenient for the later stage to change the hand wheel or the problem of maintenance processing.

In order to achieve the above object, the utility model provides a following technical scheme:

a silencing signal butterfly valve comprises a valve body and a transmission case fixedly arranged at the upper end of the valve body, wherein a transmission shaft is fixedly arranged on the side surface of the transmission case, a movable cavity is formed in the transmission shaft, a movable shaft is movably sleeved at one end of the inner side of the movable cavity, an embedded groove is formed in the surface of one end of the movable shaft, a telescopic rod is fixedly arranged at the inner side of the embedded groove, a limiting assembly block is fixedly connected to the upper end of the telescopic rod, a spring is fixedly connected between the limiting assembly block and the movable shaft, a positioning groove is formed in the surface of one end of the inner side of the movable cavity, a first positioning magnetic block is fixedly arranged at the inner side of the positioning groove, a positioning lug is fixedly arranged at the other end of the movable shaft, a second positioning magnetic block is fixedly arranged on the side surface of the positioning lug, a, the inner side surface of the assembling loop bar is provided with a loop groove, and the side surface of the upper end of the assembling loop bar is provided with a limiting through hole.

As a further aspect of the present invention: the limiting sliding groove is formed in the position of the inner side surface of the movable cavity, the limiting sliding block is fixedly arranged at the position of the side face of the movable shaft, and the limiting sliding block is connected with the limiting sliding groove in a sliding mode.

As a further aspect of the present invention: the cross-sectional shapes of the positioning lug and the positioning groove are both circular, and the size of the positioning lug is matched with that of the positioning groove.

As a further aspect of the present invention: and the magnetism of one end of the second positioning magnetic block, which is close to the first positioning magnetic block, is opposite to that of the other end of the second positioning magnetic block, which is close to the first positioning magnetic block.

As a further aspect of the present invention: the spring activity cup joints in the outside of telescopic link, the diameter size of loose axle and the internal diameter size looks adaptation of cover groove, the cross sectional shape of spacing opening and spacing assembly piece is the rectangle, the size of spacing opening and the size looks adaptation of spacing assembly piece.

As a further aspect of the present invention: the outer side surface position department of hand wheel is fixed and is provided with wear-resisting cover, the outer side surface interval of wear-resisting cover is fixed and is provided with anti-skidding convex body, wear-resisting cover and anti-skidding convex body are the component that a material is rubber.

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

1. the utility model discloses transmission shaft, activity chamber, spacing spout, positioning groove, first location magnetic path, loose axle, spacing slider, positioning lug and second location magnetic path have been set up for the hand wheel is convenient for outwards extend or inwards accomodate, can satisfy and be applicable to according to user's different user demands, and the hand wheel reduces butterfly valve body volume after inwards accomodating, is favorable to saving the occupation space of butterfly valve.

2. The utility model discloses assembly loop bar, spacing opening, spacing assembly piece, telescopic link, caulking groove, spring and cover groove have been set up for the hand wheel can be installed fast on the loose axle and dismantled, and the later stage of being convenient for is changed or is maintained the processing to the hand wheel.

Drawings

FIG. 1 is a schematic perspective view of a butterfly valve with noise reduction function;

FIG. 2 is a schematic view of a burst-open structure of a butterfly valve with a noise reduction signal;

FIG. 3 is an enlarged schematic view of part A of a butterfly valve for silencing signals;

FIG. 4 is an enlarged schematic view of the portion B of the butterfly valve for silencing signals;

FIG. 5 is a schematic diagram of a front view of a butterfly valve for silencing signals;

fig. 6 is an enlarged structural diagram of a portion C in a butterfly valve for silencing signals.

In the figure: 1. a valve body; 2. a transmission case; 3. a drive shaft; 301. a movable cavity; 302. a limiting chute; 303. a positioning groove; 304. a first positioning magnetic block; 4. a movable shaft; 401. a limiting slide block; 402. positioning the bump; 403. a second positioning magnetic block; 5. a hand wheel; 6. assembling a loop bar; 7. a wear-resistant sleeve; 701. an anti-slip convex body; 8. limiting through openings; 9. a limiting assembly block; 10. a telescopic rod; 11. caulking grooves; 12. a spring; 13. and (5) sleeving a groove.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a butterfly valve with noise reduction signal includes a valve body 1 and a transmission case 2 fixedly disposed on an upper end of the valve body 1, a transmission shaft 3 is fixedly disposed on a side surface of the transmission case 2, a movable cavity 301 is disposed inside the transmission shaft 3, an inner end of the movable cavity 301 is movably sleeved with a movable shaft 4, an insertion groove 11 is disposed on a surface of one end of the movable shaft 4, an expansion link 10 is fixedly disposed inside the insertion groove 11, an upper end of the expansion link 10 is fixedly connected with a limiting assembly block 9, a spring 12 is fixedly connected between the limiting assembly block 9 and the movable shaft 4, a positioning groove 303 is disposed on a surface of an inner end of the movable cavity 301, a first positioning magnetic block 304 is fixedly disposed inside the positioning groove 303, a positioning bump 402 is fixedly disposed on another end of the movable shaft 4, a second positioning magnetic block 403 is fixedly disposed on, the side of hand wheel 5 is fixed and is provided with assembly loop bar 6, and the inboard surface of assembly loop bar 6 has seted up the race 13, and spacing opening 8 has been seted up to the upper end side of assembly loop bar 6.

In fig. 3: spacing spout 302 has been seted up to the inboard surface position department in activity chamber 301, and the fixed spacing slider 401 that is provided with of side position department of loose axle 4, spacing slider 401 and spacing spout 302 sliding connection have reached and have made loose axle 4 can carry out spacing movable purpose along spacing spout 302 on activity chamber 301.

In fig. 3: the cross-sectional shapes of the positioning lug 402 and the positioning groove 303 are both circular, and the size of the positioning lug 402 is matched with that of the positioning groove 303, so that the positioning lug 402 can be embedded into the positioning groove 303 in a matching manner.

In fig. 3: the magnetism of the ends of the second positioning magnetic block 403 close to the first positioning magnetic block 304 is opposite to that of the ends of the first positioning magnetic block 304, so that the purpose of generating an attraction force between the second positioning magnetic block 403 and the first positioning magnetic block 304 is achieved.

In fig. 4 and 6: spring 12 activity is cup jointed in the outside of telescopic link 10, and the diameter size of loose axle 4 and the internal diameter size looks adaptation of cover groove 13, and spacing opening 8 is the rectangle with the cross sectional shape of spacing assembly piece 9, and the size of spacing opening 8 and the size looks adaptation of spacing assembly piece 9 have reached and have made the mesh in the spacing opening 8 of spacing assembly piece 9 cooperation embedding.

In fig. 1: the outer side surface of the hand wheel 5 is fixedly provided with a wear-resistant sleeve 7, the outer side surface of the wear-resistant sleeve 7 is fixedly provided with anti-skid convex bodies 701 at intervals, the wear-resistant sleeve 7 and the anti-skid convex bodies 701 are rubber components, and the purpose of improving the use comfort of the hand wheel 5 is achieved.

The utility model discloses a theory of operation is: in the process of using the silencing signal butterfly valve, according to the use requirement of a user, when a hand wheel 5 needs to be extended outwards, the movable shaft 4 is pulled to move outwards along the limiting sliding groove 302 on the movable cavity 301 until the hand wheel 5 extends to a proper position, when the hand wheel 5 needs to be accommodated inwards, the movable shaft 4 is pushed to move inwards along the limiting sliding groove 302 on the movable cavity 301, the movable shaft 4 is quickly positioned in the movable cavity 301 by utilizing the adsorption force generated between the second positioning magnetic block 403 and the first positioning magnetic block 304, the hand wheel 5 can be accommodated at the moment, the occupied space of the butterfly valve is saved, when the hand wheel 5 needs to be replaced or maintained, the limiting assembly block 9 is pressed to be separated from the limiting through hole 8, the hand wheel 5 is detached and taken out for replacement or maintenance, when the hand wheel 5 needs to be installed on the movable shaft 4, the limiting assembly block 9 is pressed into the caulking groove 11, spring 12 is in compression state this moment, pegs graft the loose axle 4 in cover groove 13, and spring 12 compression deformation produces elasticity and can promote in spacing assembly piece 9 cooperation embedding spacing opening 8, can accomplish the installation this moment.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an amortization signal butterfly valve, includes valve body (1) and fixed transmission case (2) of setting in valve body (1) upper end, its characterized in that, the fixed transmission shaft (3) that is provided with in side of transmission case (2), movable chamber (301) have been seted up to the inside of transmission shaft (3), loose axle (4) have been cup jointed in the activity of the inboard one end in activity chamber (301), caulking groove (11) have been seted up on the one end surface of loose axle (4), the inboard fixed telescopic link (10) that is provided with of caulking groove (11), the upper end fixedly connected with spacing assembly block (9) of telescopic link (10), fixedly connected with spring (12) between spacing assembly block (9) and loose axle (4), positioning groove (303) have been seted up on the inboard one end surface in activity chamber (301), the inboard fixed first positioning magnetic path (304) that is provided with of positioning groove (303), the fixed locating convex block (402) that is provided with in other end of loose axle (4), the fixed second location magnetic path (403) that is provided with in side of locating convex block (402), the one end of loose axle (4) is provided with hand wheel (5), the fixed assembly loop bar (6) that is provided with in side of hand wheel (5), grooving (13) have been seted up to the inboard surface of assembly loop bar (6), spacing opening (8) have been seted up to the upper end side of assembly loop bar (6).

2. The butterfly valve for silencing signals according to claim 1, wherein a position of an inner side surface of the movable cavity (301) is provided with a limit sliding groove (302), a position of a side surface of the movable shaft (4) is fixedly provided with a limit sliding block (401), and the limit sliding block (401) is slidably connected with the limit sliding groove (302).

3. The butterfly valve for silencing signals according to claim 1, wherein the cross-sectional shapes of the positioning protrusion (402) and the positioning groove (303) are both circular, and the size of the positioning protrusion (402) is matched with the size of the positioning groove (303).

4. The butterfly valve for silencing signals according to claim 1, wherein the second positioning magnetic block (403) and the first positioning magnetic block (304) have opposite magnetism at the end close to each other.

5. The silencing signal butterfly valve according to claim 1, wherein the spring (12) is movably sleeved on the outer side of the telescopic rod (10), the diameter of the movable shaft (4) is matched with the inner diameter of the sleeve groove (13), the cross sections of the limiting through holes (8) and the limiting assembling blocks (9) are rectangular, and the size of the limiting through holes (8) is matched with the size of the limiting assembling blocks (9).

6. The butterfly valve for silencing signals according to claim 1, wherein a wear-resistant sleeve (7) is fixedly arranged at the position of the outer side surface of the hand wheel (5), anti-slip protrusions (701) are fixedly arranged on the outer side surface of the wear-resistant sleeve (7) at intervals, and the wear-resistant sleeve (7) and the anti-slip protrusions (701) are both rubber components.

Images