CN209622091U - A kind of copper ball valve - Google Patents

Abstract

The utility model discloses a kind of copper ball valves, including valve body, left flange, right flange and sphere, the inner sidewall of left flange and right flange is equipped with bonnet, the inner end of left flange and right flange is equipped with valve seat close to one end of sphere, the surface of valve seat is equipped with gasket, the surface of gasket is equipped with sealing ring, sphere is arranged between two sealing rings, valve-seat insert piece is connected between sphere and valve seat, the upper end of sphere is embedded with valve rod, stuffing-box is equipped between valve rod and valve seat, the upper end of valve rod is rotatably connected to handle, the junction of handle and valve rod is rotatably connected to spring washer, the top of spring washer is rotatably connected to nut around valve rod, the bottom of valve body is equipped with rotating seat, rotating seat is rotatably connected to butterfly spring, butterfly spring is bonded far from one end of rotating seat with sphere.The copper ball valve arrangement is simple, easy to use, can reduce the torsional stress of valve rod and sphere, can also antistatic while preventing the blowout of valve rod.

Description

A kind of copper ball valve

Technical field

The utility model belongs to valve technology field, and in particular to a kind of copper ball valve.

Background technique

Ball valve is mainly used for being truncated or connecting the medium in pipeline, also can be used for the adjusting and control of fluid, wherein hard close Sealing has very strong shearing force between its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy, especially suitable for containing fibre The media such as dimension, small solid pellet.Copper ball valve is during the work time due to often opening and closing, for being easy to make between valve rod and sphere It is also not provided with lower valve rod at the bottom of abrasion, while copper ball valve, it is bigger for the serious wear of valve rod, go down be easy to cause for a long time The case where valve rod is blown out.Therefore we need a novel high leakproofness copper ball valve to solve the above problems, and meet people's Demand.

Utility model content

The purpose of this utility model is to provide a kind of copper ball valves, right in long-term opening-closing process to solve existing copper ball valve The problem of serious wear of valve rod and sphere, valve rod will appear blowout phenomenon.

To achieve the above object, the utility model provides the following technical solutions: a kind of copper ball valve, including valve body, Zuo Falan, The inner sidewall of right flange and sphere, the left flange and right flange is equipped with bonnet, and the inner end of the left flange and right flange is close One end of sphere is equipped with valve seat, and the surface of the valve seat is equipped with gasket, and the surface of the gasket is equipped with sealing ring, and the sphere is set It sets between two sealing rings, valve-seat insert piece is connected between the sphere and valve seat, the upper end of the sphere is embedded with valve rod, described Stuffing-box is equipped between valve rod and valve seat, the upper end of the valve rod is rotatably connected to handle, the junction of the handle and valve rod It is rotatably connected to spring washer, the top of the spring washer is rotatably connected to nut around valve rod, and the bottom of the valve body is equipped with rotating seat, The rotating seat is rotatably connected to butterfly spring, and the butterfly spring is bonded far from one end of rotating seat with sphere.

Preferably, the one side that the valve-seat insert piece is bonded with sphere is arc concavity compatible with sphere.

Preferably, the hand-held place surface of the handle is covered with silica gel sheath.

Preferably, the number of the butterfly spring is set as two.

Preferably, it is 90 degree that two butterfly spring institutes are angled.

The technical effect and advantage of the utility model: the copper ball valve utilizes butterfly spring in rotating seat using ball valve bottom Portion is rotated around bearing, and the torsional stress of valve rod and sphere is on the one hand passed to rotating seat, is reduced torsional stress, is prevented valve rod from blowing Out, another aspect butterfly spring can also play fine anti-static electrification.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

In figure: 1- valve body, the left flange of 2-, the right flange of 3-, 4- sphere, 5- bonnet, 6- valve seat, 7- gasket, 8- sealing ring, 9- Valve-seat insert piece, 10- valve rod, 11- stuffing-box, 12- spring washer, 13- nut, 14- handle, 15- rotating seat, 16- butterfly spring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of copper ball valve as illustrated in the drawing, including valve body 1, Zuo Falan 2, right flange 3 and ball The inner sidewall of body 4, Zuo Falan 2 and right flange 3 is equipped with bonnet 5, and the inner end of Zuo Falan 2 and right flange 3 is set close to one end of sphere 4 There is valve seat 6, the surface of valve seat 6 is equipped with gasket 7, and the surface of gasket 7 is equipped with sealing ring 8, so that sealing ring 8 is connect more with valve seat 6 Closely, sphere 4 is arranged between two sealing rings 8, improves the leakproofness that 4 both ends water flow of sphere flows through position, sphere 4 and valve seat 6 Between be connected with valve-seat insert piece 9, sphere 4 is directly contacted with valve-seat insert piece 9 in opening-closing process, reduce friction, the upper end of sphere 4 Embedded with valve rod 10, it is equipped with stuffing-box 11 between valve rod 10 and valve seat 6, is filled with filler inside stuffing-box 11, for sealing, valve rod 10 Upper end be rotatably connected to handle 14, the junction of handle 14 and valve rod 10 is rotatably connected to spring washer 12, and the top of spring washer 12 is enclosed Nut 13 is rotatably connected to around valve rod 10, and when rotational handle 14 can drive ball with the rotation of ovable valve stem 10, the rotation of valve rod 10 Opening-closing process is completed in the rotation of body 4 in turn, and the bottom of valve body 1 is equipped with rotating seat 15, and rotating seat 15 is rotatably connected to butterfly spring 16, the one end of butterfly spring 16 far from rotating seat 15 is bonded with sphere 4, and in 1 rotation process of sphere, part torsional stress passes through butterfly Shape spring 16 passes to rotating seat 15, reduces the torsional stress of valve rod 10 and sphere 4, while butterfly spring 16 can also open sphere 4 The electrostatic generated during closing is transferred to valve body 1.

Specifically, the one side that valve-seat insert piece 9 is bonded with sphere 4 is arc concavity compatible with sphere 4, sphere is reduced 4 with valve-seat insert piece 9 rotate when rigidity, be easier to rotate.

Specifically, the hand-held place surface of handle 14 is covered with silica gel sheath, mainly play anti-slip effect.

Specifically, the number of butterfly spring 16 is set as two.

Specifically, it is 90 degree that two 16 institutes of butterfly spring are angled.

Working principle: the copper ball valve in use, by can be with the rotation of ovable valve stem 10, valve when rotational handle 14 The rotation of bar 10 drives the rotation of sphere 4 and valve-seat insert piece 9 and then completes opening-closing process, in the whole process, the rotation of sphere 4 Also butterfly spring 16 is driven to surround the rotation of rotating seat 15, in this process, valve rod 10 and sphere 4 generate torsional stress and pass through butterfly Shape spring 16 is transferred to rotating seat 15, reduces the abrasion of valve rod 10 and sphere 4, prevents the blowout of valve rod 10, while butterfly spring 16 also function to good anti-static electrification.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of copper ball valve, including valve body (1), Zuo Falan (2), right flange (3) and sphere (4), it is characterised in that: the left method The inner sidewall of blue (2) and right flange (3) is equipped with bonnet (5), and the inner end of the left flange (2) and right flange (3) is close to sphere (4) One end be equipped with valve seat (6), the surface of the valve seat (6) is equipped with gasket (7), and the surface of the gasket (7) is equipped with sealing ring (8), the sphere (4) is arranged between two sealing rings (8), is connected with valve-seat insert piece between the sphere (4) and valve seat (6) (9), the upper end of the sphere (4) is embedded with valve rod (10), is equipped with stuffing-box (11) between the valve rod (10) and valve seat (6), institute The upper end for stating valve rod (10) is rotatably connected to handle (14), and the junction of the handle (14) and valve rod (10) is rotatably connected to bullet It pads (12), the top of the spring washer (12) is rotatably connected to nut (13) around valve rod (10), and the bottom of the valve body (1) is equipped with Rotating seat (15), the rotating seat (15) are rotatably connected to butterfly spring (16), and the butterfly spring (16) is far from rotating seat (15) one end is bonded with sphere (4).

2. a kind of copper ball valve according to claim 1, it is characterised in that: what the valve-seat insert piece (9) was bonded with sphere (4) It is on one side the compatible arc concavity with sphere (4).

3. a kind of copper ball valve according to claim 1, it is characterised in that: the hand-held place surface of the handle (14) is covered with silicon Gum cover.

4. a kind of copper ball valve according to claim 1, it is characterised in that: the number of the butterfly spring (16) is set as two It is a.

5. a kind of copper ball valve according to claim 4, it is characterised in that: two butterfly spring (16) institutes are angled to be 90 degree.