CN209909217U - V-shaped valve ball - Google Patents

Abstract

The utility model relates to a ball valve technical field specifically is a V type valve spheroid, lower valve casing including last valve casing and corresponding installation, set up valve ball chamber in the middle of the lower surface of going up the valve casing valve ball chamber center department sets up the via hole that runs through last valve casing, the valve ball is equipped with the valve ball of taking the handle in the valve ball chamber, take handle valve ball surface to be equipped with each twice rubber seal ring from top to bottom, take handle valve ball spheroid upper surface still be equipped with valve ball handle and with the installation of via hole with the axle center, valve ball handle top is equipped with the installation screw thread, valve ball handle top is equipped with the valve handle, go up the valve casing and all seted up a plurality of bolt mounting holes and connect through the screw bolt and nut cooperation with lower valve casing both sides. The utility model discloses, on the basis of guaranteeing the good performance of V style of calligraphy valve, can effectively seal to prevent that the fluid from permeating the via hole that gets into installation valve handle, simple structure, processing low cost, the effect is practical.

Description

V-shaped valve ball

Technical Field

The utility model relates to a ball valve technical field specifically is a V type valve spheroid.

Background

In the fluid pipeline conveying technology, the V-shaped valve is a device with excellent shearing stress, and a V-shaped notch is formed in a valve ball body of the V-shaped valve, so that the V-shaped valve can play a role of cutting fluid when the valve is closed, and the V-shaped valve can overcome fibrous and granular substances in the fluid and cannot be stuck to a shell.

However, this means that the V-shaped ball valve generally cannot perform double sealing, and the sealing performance is poor; meanwhile, the V-shaped valve ball can overcome fluid fibers and particles, but the flow can be generated in any direction for one ball in the flowing path direction, and the sealing performance of the V-shaped valve ball is not good, so that the installation direction of the handle is easy to be blocked, and the use is not smooth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a V type valve spheroid to solve but the poor problem of sealing performance under the condition of the assurance shearing force that proposes in the above-mentioned background art.

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

the utility model provides a V type valve ball, includes last valve casing and the lower valve casing that corresponds the installation, set up the valve ball chamber in the middle of the lower surface of last valve casing, valve ball chamber center department sets up the via hole that runs through last valve casing, the valve ball of taking the handle in the valve ball chamber, the sphere surface of taking the handle valve ball is equipped with each twice rubber seal ring from top to bottom, take handle valve ball upper surface still to be equipped with valve ball handle, valve ball handle and the coaxial axle installation of via hole, valve ball handle top is equipped with the installation screw thread, valve ball handle top is equipped with the valve handle, go up valve casing and lower valve casing both sides and all seted up a plurality of bolt mounting holes and connect through the cooperation of bolt and nut.

Preferably: the bottom surface of the valve handle is provided with a handle mounting opening, the inner ring tapping diameter of the handle mounting opening is the same as the mounting thread on the valve ball handle, and the handle mounting opening and the valve ball handle are mounted in a matched mode.

Preferably: the valve ball body with the handle is provided with a V-shaped opening, the lower surface of the valve ball with the handle is provided with a valve ball mounting base, the bottom surface of a valve ball cavity in the lower valve casing is provided with a valve ball mounting table, and the valve ball mounting table is in plug-in fit with the valve ball mounting base.

Preferably: it has water pipe line to go up valve casing and open with lower valve casing both sides, water pipe line diameter is the half of valve ball chamber diameter, go up the valve casing and seted up the water pipe constant head tank with lower valve casing both sides section.

Preferably: the surface roughness of the matching surfaces of the valve ball cavity and the valve ball with the handle is less than Ra1.8, the valve ball cavity and the valve ball with the handle are in clearance fit, and the matching tolerance is less than plus or minus 0.025.

Compared with the prior art, the beneficial effects of the utility model are that: the two coaxial rubber sealing rings on the upper surface and the lower surface of the valve ball with the handle can cut off the flow path of fluid in the upper direction and the lower direction, so that single particle fibers and the fluid in the fluid cannot permeate through the coaxial rubber sealing rings and cannot permeate into the through hole of the valve ball handle. The sealing problem of the V-shaped valve is solved, and the V-shaped valve is simple in structure, convenient to process, low in cost and practical in effect.

Drawings

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

FIG. 2 is an exploded view of the assembly structure of the present invention;

FIG. 3 is a schematic view of the structure of the valve ball with a handle according to the present invention;

fig. 4 is a schematic structural view of an upper valve casing in the present invention;

fig. 5 is a schematic view of the lower valve casing structure of the present invention.

In the figure: 1. a valve handle; 11. a handle mounting port; 2. an upper valve shell; 21. a water pipe positioning groove; 22. A ball cavity of the valve ball; 23. a via hole; 24. a water pipe conduit; 25. a bolt mounting hole; 3. a lower valve housing; 31. a bolt; 32. a nut; 33. a valve ball mounting table; 4. a valve ball with a handle; 41. installing threads; 42. a rubber seal ring; 43. a V-shaped opening; 44. a valve ball mounting base; 45. a valve ball handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a V type valve ball, includes last valve casing 2 and the lower valve casing 3 that corresponds the installation, sets up valve ball chamber 22 in the middle of going up 2 lower surfaces of valve casing, and the via hole 23 that runs through last valve casing 2 is seted up in valve ball chamber 22 center department, is equipped with handle valve ball 4 in the valve ball chamber 22, and each twice rubber seal ring 42 about 4 spheroid surfaces of handle valve ball are equipped with, and the spheroid upper surface of handle valve ball 4 still is equipped with valve ball handle 45, valve ball handle and the coaxial installation of via hole 23, valve ball handle 45 top are equipped with installation screw thread 41, and valve ball handle 45 top is equipped with valve handle 1, goes up valve casing 2 and lower 3 both sides of valve casing and has all seted up a plurality of bolt mounting holes 25 and connect through bolt 31 and nut 32 cooperation.

Further, the upper hemisphere and the lower hemisphere of the ball body of the valve ball 4 with the handle are provided with two circles of concentric circular grooves corresponding to the same position to be provided with the rubber sealing ring 42, and after the rubber sealing ring 42 is arranged, the mounting position is in interference fit with the ball cavity 22 of the valve ball. Ensures that the fluid can not flow upwards and downwards and can not permeate when passing through the surface of the ball body of the valve ball with the handle 4.

Specifically, four pairs of bolt mounting holes 25 are formed in two sides of the upper valve casing 2 and the lower valve casing 3.

The bottom surface of the valve handle 1 is provided with a handle mounting hole 11, the inner ring tapping diameter of the handle mounting hole 11 is the same as that of the mounting thread 41 on the valve ball handle 45, and the two are mounted in a matching way.

Further, the threading in the handle mounting opening 11 is counter-clockwise in the same direction as the mounting threads 41.

The handle valve ball 4 spheroid is opened there is V-letter opening 43, and the handle valve ball 4 lower surface is equipped with valve ball installation base 44, and valve ball chamber 22 bottom surface is equipped with valve ball mount table 33 in lower valve casing 3, and valve ball mount table 33 and valve ball installation base 44 are pegged graft the cooperation and are installed.

Go up valve casing 2 and 3 both sides of lower valve casing and open and to have water pipe 24, water pipe 24 diameter is the half of ball cavity diameter, goes up valve casing 2 and has seted up water pipe constant head tank 21 with 3 both sides sections of lower valve casing. The area ratio of the water pipe 24 and the ball cavity 22 cannot exceed 2 to 3, otherwise the V-shaped opening 43 is too large to completely close the valve.

The surface roughness of the matching surfaces of the valve ball cavity 22 and the valve ball with the handle 4 is less than Ra1.8, the two are in clearance fit, and the matching tolerance is less than plus or minus 0.025.

Further, the matching surfaces of the valve ball cavity 22 and the valve ball with the handle 4 are plated with chrome and polished, the matching tolerance is positive and negative 0.025 of clearance fit, and the upper valve casing 2 and the lower valve casing 3 need to be rotated to be free of error inspection tolerance and surface roughness before being installed and folded.

The V-valve ball of this embodiment is in use: rubber seal rings 42 are installed on the upper and lower surfaces of the handled ball 4, the ball handle 45 at one end of the handled ball 4 is passed through the through hole 23 of the upper valve housing 2, the handled ball 4 is installed in the ball cavity 22, and the ball mounting seat 44 is installed in alignment with the ball mounting table 33. And the lower valve housing 3 is folded and then fastened with the bolt 31 and the nut 32, and finally the valve handle 1 is installed through the installation thread 41 at the top end.

After the installation, the handle is repeatedly rotated to test the matching of the valve ball with the handle 4 and the valve ball cavity 22.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a V type valve ball, includes upper valve casing (2) and lower valve casing (3) of corresponding installation, its characterized in that: go up valve ball chamber (22) of seting up in the middle of valve casing (2) lower surface, valve ball chamber (22) center department sets up via hole (23) that runs through last valve casing (2), be equipped with in valve ball chamber (22) and take handle valve ball (4), take handle valve ball (4) spheroid surface to be equipped with about each twice rubber seal ring (42), the spheroid upper surface of taking handle valve ball (4) still is equipped with valve ball handle (45), valve ball handle (45) and via hole (23) are with the axle center installation, valve ball handle (45) top is equipped with mounting thread (41), valve ball handle (45) top is equipped with valve handle (1), go up valve casing (2) and all seted up a plurality of bolt mounting holes (25) and connect through bolt (31) and nut (32) cooperation with lower valve casing (3) both sides.

2. The V-valve ball of claim 1, wherein: the valve is characterized in that a handle mounting opening (11) is formed in the bottom surface of the valve handle (1), the inner ring tapping diameter of the handle mounting opening (11) is the same as that of a mounting thread (41) on a valve ball handle (45), and the valve ball handle and the mounting thread are mounted in a matched mode.

3. The V-valve ball of claim 1, wherein: the ball body of the valve ball (4) with the handle is provided with a V-shaped opening (43), the lower surface of the valve ball (4) with the handle is provided with a valve ball mounting base (44), the bottom surface of a valve ball cavity (22) in the lower valve casing (3) is provided with a valve ball mounting table (33), and the valve ball mounting table (33) is in plug-in fit with the valve ball mounting base (44).

4. The V-valve ball of claim 1, wherein: go up valve casing (2) and lower valve casing (3) both sides and open there are water pipe (24), water pipe (24) diameter is the half of valve ball chamber diameter, water pipe constant head tank (21) have been seted up with lower valve casing (3) both sides section to go up valve casing (2).

5. The V-valve ball of claim 1, wherein: the surface roughness of the matching surfaces of the valve ball cavity (22) and the valve ball with the handle (4) is less than Ra1.8, the two are in clearance fit, and the matching tolerance is less than plus or minus 0.025.

Images