CN209638434U - A kind of ball valve easy to maintenance - Google Patents

Abstract

The utility model discloses a kind of ball valves easy to maintenance, including valve body, the upper center outer surface of the valve body is fixedly installed with lantern ring, the upper end outer surface of the lantern ring is provided with gland, valve rod is provided in the middle part of the gland, the upper end outer surface of the valve rod is provided with cross bar, one side external surface of upper end of the cross bar is provided with screw, the middle part inner surface of the valve body is provided with sphere, the lower end inner surface of the lantern ring is fixedly installed with sealing ring, the center outer surface of the valve rod is fixedly installed with fixed ring, the lower end outer surface of the valve rod is fixedly installed with rectangle bosses, the upper end outer surface of the sphere offers rectangular recess circle.One kind described in the utility model ball valve easy to maintenance is equipped with sealing ring, gland, No.1 rubber ring and No. two rubber rings, can be improved sealing effect, moreover it is possible to make each component easy disassembly, can also improve sealing effect when fluid stopping, bring better prospect of the application.

Description

A kind of ball valve easy to maintenance

Technical field

The utility model relates to valve technology field, in particular to a kind of ball valve easy to maintenance.

Background technique

Ball valve be it is a kind of the activity of sphere knob is driven by valve rod, stop or unimpeded to control fluid and stop, be generally mounted to It is used on pipeline as opening and closing element, ball valve is one of valve common in oil exploitation engineering, and people is facilitated to control oil exploitation The flow of fluids within pipes in engineering；There are certain drawbacks in existing ball valve, firstly, sealing structure exists centainly when in use Loophole, be unfavorable for using secondly, various components are difficult to dismantle, the maintenance of later period ball valve being influenced, in addition, valve body internal passage For circle, sphere is located at the two sides of sphere, sphere two sides radian disappears since middle part is equipped with through-hole at the both ends open of through-hole It loses, can not agree with valve body internal passage perfection, lead to not accurate control of fluid, be brought centainly to the use process of people Adverse effect, for this purpose, it is proposed that a kind of ball valve easy to maintenance.

Utility model content

The main purpose of the utility model is to provide a kind of ball valves easy to maintenance, can effectively solve in background technique The problem of.

To achieve the above object, the technical solution that the utility model is taken are as follows:

The upper center outer surface of a kind of ball valve easy to maintenance, including valve body, the valve body is fixedly installed with lantern ring, institute The upper end outer surface for stating lantern ring is provided with gland, and valve rod is provided in the middle part of the gland, and the upper end outer surface of the valve rod is set It is equipped with cross bar, one side external surface of upper end of the cross bar is provided with screw, and the middle part inner surface of the valve body is provided with sphere, institute The lower end inner surface for stating lantern ring is fixedly installed with sealing ring, and the center outer surface of the valve rod is fixedly installed with fixed ring, described The lower end outer surface of valve rod is fixedly installed with rectangle bosses, and the upper end outer surface of the sphere offers rectangular recess, described One side external surface of sphere is fixedly installed with No.1 rubber ring, and another side external surface of the sphere is fixedly installed with No. two rubber Circle.

Knob cross bar can control valve rod and sphere rotation, and the middle part of sphere is equipped with through-hole, when through-hole is in transverse direction, valve body Inner passage it is unimpeded, when through-hole is in longitudinal, the opening of through-hole two sides is blocked by the inner wall of valve body, and the inner passage of valve body is closed Plug, and there is No.1 rubber ring and No. two rubber rings to fill at inner wall closure at two, improve the contract of sphere and valve body internal passage Right, when channel occludes, leakproofness is excellent.

Valve rod lower end rectangle bosses is inserted into the rectangular recess of sphere upper end, and when valve rod rotates, sphere is rotated with it, pressure Lid knob is installed on the upper end of lantern ring, and limits to fixed ring, after knob dismantles gland, can lift taking-up valve rod upwards, Sphere is separated with valve rod, and sphere can be rolled out in the side of valve body, each component convenient disassembly, is conducive to maintenance.

Preferably, screw thread is provided between the gland and lantern ring, the lower end outer surface of the gland passes through screw thread and set The upper end inner surface detachable connection of ring.

Preferably, the lower end outer surface of the valve rod is slidably connected by the inner surface of rectangle bosses and rectangular recess.

Preferably, No.1 seccotine is provided between the sealing ring and lantern ring, the lower end outer surface of the sealing ring is logical No.1 seccotine is crossed to be fixedly connected with the lower end inner surface of lantern ring.

Preferably, No. two seccotines, the side of the No.1 rubber ring are provided between the No.1 rubber ring and sphere Outer surface is fixedly connected by No. two seccotines with a side external surface of sphere, and described No. two are provided between rubber ring and sphere One side external surface of No. three seccotines, No. two rubber rings connects by the way that another side external surface of No. three seccotines and sphere is fixed It connects, is provided with through-hole in the middle part of the sphere.

Preferably, the lower end outer surface of the screw is through a side external surface of cross bar and the upper center outer surface of valve rod Detachable connection.

Compared with prior art, the utility model has the following beneficial effects: one kind ball valve easy to maintenance, by setting The sealing ring set, sealing ring can prevent fluid from oozing out in the gap of valve rod with valve body contact position, and the lower end of gland is squeezed Pressure seal ring further increases sealing effect, and by the gland of setting, gland is limited and positioned to fixed ring, gland After knob disassembly, valve rod can integrally be removed, and valve rod is separated with sphere, and sphere also can be taken off, convenient for being overhauled to each component, one The setting of number rubber ring and No. two rubber rings, is the extension of sphere two sides, and No.1 rubber ring and No. two rubber ring elasticity, soft Toughness is high, can cram the region that sphere can not agree with valve body internal passage perfection, keep ball valve further to the degree of control of fluid It improves, is conducive to people and uses, a kind of entire ball-valve structure easy to maintenance is simple, and easy to operate, the effect used is relative to biography System mode is more preferable.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of ball valve easy to maintenance of the utility model.

Fig. 2 is a kind of sectional view of Fig. 1 of ball valve easy to maintenance of the utility model.

Fig. 3 is the overall structure diagram of gland 3 in a kind of Fig. 2 of ball valve easy to maintenance of the utility model.

Fig. 4 is the overall structure diagram of valve rod 4 in a kind of Fig. 2 of ball valve easy to maintenance of the utility model.

Fig. 5 is the top view of sphere 8 in a kind of Fig. 2 of ball valve easy to maintenance of the utility model.

In figure: 1, valve body；2, lantern ring；3, gland；4, valve rod；5, cross bar；6, screw；7, sealing ring；8, sphere；9, rectangle Groove；10, fixed ring；11, rectangle bosses；12, No.1 rubber ring；13, No. two rubber rings.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figs. 1-5, a kind of ball valve easy to maintenance, including valve body 1, the fixed peace in the upper center outer surface of valve body 1 Equipped with lantern ring 2, the upper end outer surface of lantern ring 2 is provided with gland 3, and the middle part of gland 3 is provided with valve rod 4, the upper end appearance of valve rod 4 Face is provided with cross bar 5, and one side external surface of upper end of cross bar 5 is provided with screw 6, and the middle part inner surface of valve body 1 is provided with sphere 8, The lower end inner surface of lantern ring 2 is fixedly installed with sealing ring 7, and the center outer surface of valve rod 4 is fixedly installed with fixed ring 10, valve rod 4 Lower end outer surface be fixedly installed with rectangle bosses 11, the upper end outer surface of sphere 8 offers rectangular recess 9, the one of sphere 8 Side external surface is fixedly installed with No.1 rubber ring 12, and another side external surface of sphere 8 is fixedly installed with No. two rubber rings 13.

Screw thread is provided between gland 3 and lantern ring 2, the lower end outer surface of gland 3 passes through table in the upper end of screw thread and lantern ring 2 Face detachable connection keeps gland 3 easy to disassemble；The lower end outer surface of valve rod 4 passes through rectangle bosses 11 and rectangular recess 9 Inner surface is slidably connected, and separates between rectangle bosses 11 and rectangular recess 9；No.1 is provided between sealing ring 7 and lantern ring 2 The lower end outer surface of seccotine, sealing ring 7 is fixedly connected by No.1 seccotine with the lower end inner surface of lantern ring 2, in sealing ring 7 Portion's opening, banding valve rod 4 improve sealing effect；No. two seccotines, No.1 rubber are provided between No.1 rubber ring 12 and sphere 8 One side external surface of cushion rubber 12 is fixedly connected by No. two seccotines with a side external surface of sphere 8, No. two rubber rings 13 and ball No. three seccotines are provided between body 8, a side external surface of No. two rubber rings 13 passes through the other side of No. three seccotines and sphere 8 Outer surface is fixedly connected, and the middle part of sphere 8 is provided with through-hole, can supply the radian at 8 both-side opening of sphere, improve sphere 8 with The compatible degree of 1 inner passage of valve body；The lower end outer surface of screw 6 is through a side external surface of cross bar 5 and the upper center of valve rod 4 Outer surface detachable connection makes cross bar 5 be installed on the upper end side of valve rod 4.

It should be noted that the utility model is a kind of ball valve easy to maintenance, before use, we are first by the two of valve body 1 End is connect with pipeline respectively, in use, knob cross bar 5, can control valve rod 4 and sphere 8 to rotate, the middle part of sphere 8 is equipped with logical Hole, when through-hole is in transverse direction, the inner passage of valve body 1 is unimpeded, and when through-hole is in longitudinal direction, the opening of through-hole two sides is by valve body 1 Inner wall blocks, and the inner passage occlusion of valve body 1, the lower end inner surface of lantern ring 2 is equipped with sealing ring 7, and sealing ring 7 can prevent valve rod It is leaked at gap between 4 and valve body 1, and sealing ring 7 is oppressed in the lower end of gland 3, pastes the middle part of sealing ring 7 and valve rod 4 It closes more closely, further increases sealing effect, gland 3 is assembled by screw thread and lantern ring 2, and gland 3 limits fixed ring 10 Position can take out 4 overall structure of valve rod after dismantling gland 3, and sphere 8 is separated with valve rod 4, and sphere 8 can also be removed, and be convenient for each portion Part maintenance, is respectively equipped with No.1 rubber ring 12 and No. two rubber rings 13 at the both-side opening of sphere 8, No.1 rubber ring 12 and No. two Rubber ring 13 is the extension of 8 two sides of sphere, and the compatible degree of sphere 8 Yu 1 inner passage of valve body can be improved, more practical.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of ball valve easy to maintenance, including valve body (1), it is characterised in that: the upper center outer surface of the valve body (1) is solid Dingan County is equipped with lantern ring (2), and the upper end outer surface of the lantern ring (2) is provided with gland (3), is provided in the middle part of the gland (3) The upper end outer surface of valve rod (4), the valve rod (4) is provided with cross bar (5), one side external surface of the upper end setting of the cross bar (5) Have screw (6), the middle part inner surface of the valve body (1) is provided with sphere (8), the fixed peace of the lower end inner surface of the lantern ring (2) Equipped with sealing ring (7), the center outer surface of the valve rod (4) is fixedly installed with fixed ring (10), outside the lower end of the valve rod (4) Surface is fixedly installed with rectangle bosses (11), and the upper end outer surface of the sphere (8) offers rectangular recess (9), the ball One side external surface of body (8) is fixedly installed with No.1 rubber ring (12), and another side external surface of the sphere (8) is fixedly installed with No. two rubber rings (13).

2. one kind according to claim 1 ball valve easy to maintenance, it is characterised in that: the gland (3) and lantern ring (2) it Between be provided with screw thread, the lower end outer surface of the gland (3) passes through the detachable company of upper end inner surface of screw thread and lantern ring (2) It connects.

3. one kind according to claim 1 ball valve easy to maintenance, it is characterised in that: the lower end appearance of the valve rod (4) Face is slidably connected by rectangle bosses (11) and the inner surface of rectangular recess (9).

4. one kind according to claim 1 ball valve easy to maintenance, it is characterised in that: the sealing ring (7) and lantern ring (2) Between be provided with No.1 seccotine, the lower end outer surface of the sealing ring (7) passes through in the lower end of No.1 seccotine and lantern ring (2) Surface is fixedly connected.

5. one kind according to claim 1 ball valve easy to maintenance, it is characterised in that: the No.1 rubber ring (12) and ball No. two seccotines are provided between body (8), a side external surface of the No.1 rubber ring (12) passes through No. two seccotines and sphere (8) a side external surface is fixedly connected, and No. three seccotines are provided between No. two rubber rings (13) and sphere (8), described One side external surface of No. two rubber rings (13) is fixedly connected by No. three seccotines with another side external surface of sphere (8), described Sphere is provided with through-hole in the middle part of (8).

6. one kind according to claim 1 ball valve easy to maintenance, it is characterised in that: the lower end appearance of the screw (6) Face is through a side external surface of cross bar (5) and the upper center outer surface detachable connection of valve rod (4).