CN207333883U

CN207333883U - A kind of groove butterfly valve

Info

Publication number: CN207333883U
Application number: CN201720307036.3U
Authority: CN
Inventors: 李桂雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-27
Filing date: 2017-03-27
Publication date: 2018-05-08
Anticipated expiration: 2027-03-27

Abstract

A kind of groove butterfly valve disclosed in the utility model, including valve body, valve rod and valve plate, valve body are welded by the first valve body tube, the second valve body tube, lever bracket and installing plate；What position was opposite on the side wall of the first valve body tube is provided with upper through hole, the lower through-hole that valve rod is put for wearing, and the radial direction of one end along the first valve body tube of the second valve body tube is welded on upper through hole；Via is provided with installing plate, the other end of the second valve body tube is welded at via, and the side of lever bracket is provided with blind hole, and lever bracket is welded at lower through-hole by being provided with the side of blind hole.The utility model is welded using Split type structure, first valve body tube, the second valve body tube, lever bracket and installing plate are manufactured respectively, then it is welded by the technique of welding, compared with traditional casting technique, the pollution to environment greatly reduces, meets the requirement of present environmental protection, and it is easy to process, it is low to manufacture cost, saves substantial amounts of human and material resources.

Description

A kind of groove butterfly valve

Technical field

It the utility model is related to butterfly valve structure field, more particularly to a kind of groove butterfly valve.

Background technology

The valve body of groove butterfly valve on the market is the mode of production of casting by made of casting integrated shaping mostly at present It is not only seriously polluted, the requirement of environmental protection is not met, and also the integral strength cast is relatively low, and service life is short.

Utility model content

The purpose of this utility model is that in place of avoiding the deficiencies in the prior art, there is provided a kind of groove butterfly valve, so that effectively Solve the shortcomings of the prior art.

To achieve the above object, the technical solution that the utility model is taken is：A kind of groove butterfly valve, including valve body, valve rod And valve plate, the valve body are welded by the first valve body tube, the second valve body tube, lever bracket and installing plate；

What position was opposite on the side wall of first valve body tube, which be provided with, puts the upper through hole, lower logical of the valve rod for wearing Hole, the radial direction of one end along first valve body tube of second valve body tube are welded on the upper through hole；On the installing plate Via is provided with, the other end of second valve body tube is welded at the via, and the side of the lever bracket is provided with blind hole, bar Support is welded at the lower through-hole by being provided with the side of blind hole；

The valve rod is worn to connect and is arranged in first valve body tube, the second valve body tube and lever bracket.

Further, the first ditch of indent is provided with the outer wall at the first valve body tube both ends by the molding mode of cold rolling Groove.

Further, first groove described in the fit inside of first valve body tube is provided with interior by the molding mode of cold rolling The first convex convex edge.

Further, the second ditch of indent is provided with the middle part outer wall of first valve body tube by way of cold moudling It is second convex to be provided with convex by way of cold moudling for groove, second groove described in the fit inside of first valve body tube Edge.

Further, the upper through hole, lower through-hole are arranged on the side wall where the second groove.

Further, some stiffeners are uniformly disposed with along the circumferential direction of the first valve body tube in the second groove.

Further, the top of second valve body tube is provided with annular groove, and the installing plate is arranged on ring by the via In groove.

Further, it is provided with reinforcing rib between first valve body tube and the second valve body tube.

The above-mentioned technical proposal of the utility model has the advantages that：The utility model using Split type structure weld and Into, the first valve body tube, the second valve body tube, lever bracket and installing plate are manufactured respectively, are then welded by the technique of welding, Compared with traditional casting technique, the pollution to environment greatly reduces, meets the requirement of present environmental protection, and is easy to add Work, manufacture cost is low, saves substantial amounts of human and material resources；First valve body tube by the molding mode of cold rolling be provided with groove with Convex edge, due to the particularity of cold-rolling process itself during molding, greatly improves the integral strength of the first valve body tube With bearing capacity, the pressure relative to more than 2 times of valve body of casting, service life length, safety coefficient height can be born.

Brief description of the drawings

Fig. 1 is the utility model embodiment dimensional structure diagram；

Fig. 2 is the utility model embodiment schematic cross-sectional view；

Fig. 3 is the utility model embodiment valve body structure schematic diagram；

Fig. 4 is the partial enlarged view at A in Fig. 3；

Fig. 5 is second of example structure schematic diagram of the utility model；

Fig. 6 is the third example structure schematic diagram of the utility model.

Embodiment

The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiments For illustrating the utility model, but cannot be used for limiting the scope of the utility model.

In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more；Term The orientation or position of the instruction such as " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody " are closed It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot It is interpreted as the limitation to the utility model., it is necessary to which explanation, provides unless otherwise clear and definite in the description of the utility model And restriction, term " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected.For the ordinary skill in the art, it can understand above-mentioned term in the utility model with concrete condition Concrete meaning.

As shown in figures 1 to 6, a kind of groove butterfly valve described in the present embodiment, including valve body, valve rod 5 and valve plate 6, valve body by First valve body tube 1, the second valve body tube 2, lever bracket 3 and installing plate 4 are welded, the first valve body tube 1, the second valve body tube 2 and bar Support 3 is made by steel pipe.

What position was opposite on the side wall of the first valve body tube 1 is provided with upper through hole 1a, the lower through-hole 1b that valve rod 5 is put for wearing, The radial direction of one end of second valve body tube 2 along the first valve body tube 1 is welded at upper through hole 1a；Via 4a is provided with installing plate 4, the The other end of two valve body tubes 2 is welded at via, and the side of lever bracket 3 is provided with blind hole 3a, and lever bracket 3 is by being provided with the one of blind hole Side is welded at lower through-hole 1b；Valve rod 5 wear connect be arranged on the first valve body tube 1, the second valve body tube 2 with lever bracket 3, valve rod 5 it is upper End stretches out the end face of installing plate 4 and is connected with rotating handle (not shown), is provided with installing plate 4 spacing to rotating handle progress Spacing fluted disc, spacing fluted disc are the prior art, and details are not described herein.

First valve body tube 1 can use seamless steel pipe, can also use seamed steel pipe, it is preferred that since seamless steel pipe is made Valency is high, generally using seamed steel pipe, when using seamed steel pipe, lower through-hole 1b is opened in the commissure of seamed steel pipe, so Lever bracket 3 is welded on commissure afterwards, further enhancing the intensity of seamed steel pipe commissure.

The shape of installing plate 4 can be square or circular according to actual conditions；Second valve body tube 2 Section with the internal diameter of lever bracket 3 be it is round, circumference can be it is round, can the side of being or polygon.

It is provided with the first groove 1c of indent on the outer wall at 1 both ends of the first valve body tube by the molding mode of cold rolling, first The fit inside first groove 1c of valve body tube 1 is provided with the first convex edge 1d of convex by the molding mode of cold rolling；First valve body The second groove 1e of indent, the fit inside of the first valve body tube 1 are provided with the middle part outer wall of pipe 1 by way of cold moudling Second groove 1e is provided with the second convex edge 1f of convex by way of cold moudling；Upper through hole 1a, lower through-hole 1b are arranged on On side wall where two groove 1e, first, second convex edge, first, second groove are made using the molding mode of cold rolling, greatly The integral strength of the first valve body tube is improved, by experiment test, bearing capacity is more than twice of general milling cast iron quality, Greatly extend service life and security performance.

Preferably, the position of the second convex edge 1f, second groove 1e and 1 transition of the first valve body tube is oblique angle or fillet mistake Cross.

Valve plate 6 is fixed on valve rod 5, under the rotation of valve rod 5, valve plate 6 by the water passage of the first valve body tube 1 into Row opening and closing, it is preferred that valve plate 6 is arranged at the second convex edge 1f, is not only beneficial to installation, but also overall intensity is high.

The top of second valve body tube 2 is provided with annular groove 2a, and installing plate 4 is arranged in annular groove 2a by via, in making When, self-positioning effect can be played, easy to position, weld.

In second of embodiment, as shown in figure 5, along the uniform arrangement of circumferential direction of the first valve body tube 1 in second groove 1e There are some stiffeners 7, stiffener 7 is fixed by the way of welding.

In the third embodiment, as shown in fig. 6, being provided with reinforcing rib 8 between the first valve body tube 1 and the second valve body tube 2.

The embodiment of the utility model in order to example and description for the sake of and provide, and be not exhaustively or will The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art See.Selection and description embodiment are to more preferably illustrate the principle and practical application of the utility model, and make this area Those of ordinary skill it will be appreciated that the utility model so as to designing various embodiments with various modifications suitable for special-purpose.

Claims

A kind of 1. groove butterfly valve, it is characterised in that：Including valve body, valve rod and valve plate, the valve body is by the first valve body tube, second Valve body tube, lever bracket and installing plate are welded；

What position was opposite on the side wall of first valve body tube is provided with upper through hole, the lower through-hole that the valve rod is put for wearing, institute The radial direction for stating one end along first valve body tube of the second valve body tube is welded on the upper through hole；It is provided with the installing plate Via, the other end of second valve body tube are welded at the via, and the side of the lever bracket is provided with blind hole, and lever bracket passes through The side for being provided with blind hole is welded at the lower through-hole；

The valve rod is worn to connect and is arranged in first valve body tube, the second valve body tube and lever bracket.
A kind of 2. groove butterfly valve according to claim 1, it is characterised in that：Lead on the outer wall at the first valve body tube both ends The mode for crossing the type of being cold rolled to is provided with the first groove of indent.
A kind of 3. groove butterfly valve according to claim 2, it is characterised in that：Described in the fit inside of first valve body tube First groove is provided with the first convex edge of convex by the molding mode of cold rolling.
A kind of 4. groove butterfly valve according to claim 1, it is characterised in that：Lead on the middle part outer wall of first valve body tube The mode for crossing cold moudling is provided with the second groove of indent, and second groove described in the fit inside of first valve body tube passes through The mode of cold moudling is provided with the second convex edge of convex.
A kind of 5. groove butterfly valve according to claim 4, it is characterised in that：The upper through hole, lower through-hole are arranged on described On side wall where second groove.
A kind of 6. groove butterfly valve according to claim 4, it is characterised in that：Along the first valve body tube in the second groove Circumferential direction is uniformly disposed with some stiffeners.
A kind of 7. groove butterfly valve according to claim 1, it is characterised in that：The top of second valve body tube is provided with ring Groove, the installing plate are arranged in annular groove by the via.
A kind of 8. groove butterfly valve according to claim 1, it is characterised in that：First valve body tube and the second valve body tube Between be provided with reinforcing rib.