CN213929466U - Hard sealing ball valve with dust prevention function - Google Patents

Abstract

The utility model discloses a take dustproof hard seal ball valve, which comprises a valve body, the connecting cylinder, solid fixed ring, the looks abaculus, the bolt hole, the through-hole, a dust prevention section of thick bamboo, the column spinner, fixed disk and rotatory handle, dust prevention section of thick bamboo inner chamber is fixed with the thread bush, thread bush inner ring meshing has a screw thread section of thick bamboo, thread section of thick bamboo internal surface fixation has the cylinder, both sides fixed mounting has first movable rod around the cylinder top, first movable rod surface slides has the sliding tray, the sliding tray is located on the column spinner, the fixed cover of surface of column spinner is equipped with the slip ring, the slip ring rotates with a dust prevention section of thick bamboo to be connected, the top fixed mounting of column spinner has the fixed disk, the bottom fixedly connected with dead lever of a dust prevention section of thick bamboo is inlayed and is established and is installed a sealed section of thick bamboo, the bottom fixedly connected with dead lever of cylinder. The utility model discloses a thread bush meshes with a screw thread section of thick bamboo mutually and is connected for the dust is hardly got into from their space, and dust-proof bobbin base end is equipped with a sealed section of thick bamboo, and a sealed section of thick bamboo plays sealed and dirt-proof effect, and slides in the sealed section of thick bamboo and have the sealing ring, plays sealed dirt-proof effect.

Description

Hard sealing ball valve with dust prevention function

Technical Field

The utility model relates to a ball valve field specifically is a take dustproof ball valve that seals firmly.

Background

A ball valve (which in the marine and marine fields is intended to be a stop valve), defined in standard GB/T21465-2008 "valve nomenclature" as a valve in which the closure member (ball) is driven by a valve stem and rotates about the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. Ball valve classification, including pneumatic ball valve, electric ball valve and manual ball valve.

The junction of the ball valve and the switch handle of the prior art has dust easily to leak into, and the dust gets into inside the ball valve body, is dissolved in the flow of liquid in the ball valve easily, and the dust can pollute liquid, influences the purity of liquid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take dustproof ball valve sealed firmly to solve the problem that proposes among 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 take dustproof ball valve that seals firmly, includes valve body, connecting cylinder, solid fixed ring, looks gripping ring, bolt hole, through-hole, dust cylinder, column spinner, fixed disk and rotatory handle, dust cylinder inner chamber is fixed with the thread bush, the meshing of thread bush inner ring has the thread cylinder, thread cylinder internal surface is fixed with the cylinder, both sides fixed mounting has first movable rod around the cylinder top, first movable rod surface slides there is the sliding tray, the sliding tray is located on the column spinner, the fixed cover of surface of column spinner is equipped with the slip ring, the slip ring with dust cylinder rotates the connection, the top fixed mounting of column spinner has the fixed disk, dust cylinder's bottom is inlayed and is established and install a sealed section of thick bamboo.

Preferably, the bottom fixedly connected with dead lever of cylinder, the dead lever is kept away from the one end welding of cylinder has the ring body, the ring body with be equipped with the spheroid between the cylinder, spheroid bottom fixedly connected with second movable rod, second movable rod bottom fixed mounting has the ball that ends, the external fixed surface of second movable rod installs the sealing ring, sealing ring external surface movable mounting has a sealed section of thick bamboo.

Preferably, the fixed disk with rotatory handle welded connection, a dust section of thick bamboo embedding install in on the valve body, the valve body both ends all link up and are connected with the connecting cylinder, the connecting cylinder is kept away from the one end welding of valve body has solid fixed ring, gu fixed ring keeps away from the one end welding of connecting cylinder has the looks scarf.

Preferably, be equipped with the bolt hole on the solid fixed ring, the bolt hole is equipped with eight, and four the bolt hole uses solid fixed ring to be evenly around distributing as the centre of a circle, gu seted up on the fixed ring the through-hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a thread bush meshes with a screw thread section of thick bamboo mutually and is connected for the dust is difficult to get into from their space, and is further, and dust-proof bobbin base end is equipped with a sealed section of thick bamboo, and a sealed section of thick bamboo plays sealed and dirt-proof effect, and slides in the sealed section of thick bamboo and have the sealing ring, plays sealed dirt-proof effect.

Drawings

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

FIG. 2 is a right side view of the retaining ring of FIG. 1 in accordance with the present invention;

FIG. 3 is a view showing an internal structure of the dust-proof cylinder of FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the column body in fig. 3 according to the present invention.

In the figure: the valve comprises a valve body-1, a connecting cylinder-2, a fixing ring-3, a mutually embedded ring-4, a bolt hole-5, a through hole-6, a dustproof cylinder-7, a rotating column-8, a fixed disc-9, a rotating handle-10, a sliding ring-11, a sliding groove-12, a first movable rod-13, a cylinder-14, a threaded cylinder-15, a threaded sleeve-16, a sphere-17, a fixed rod-18, a ring body-19, a second movable rod-20, a sealing ring-21, a sealing cylinder-22 and a flow stopping sphere-23.

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.

Referring to fig. 1-4, the present invention provides an embodiment:

the utility model provides a take dustproof ball valve sealed firmly, which comprises a valve body 1, the connecting cylinder 2, solid fixed ring 3, inlay ring 4 mutually, the bolt hole 5, through-hole 6, dust tube 7, the column spinner 8, fixed disk 9 and rotatory handle 10, 7 inner chamber fixings of dust tube have thread bush 16, 16 inner ring engagements of thread bush have thread cylinder 15, 15 internal surface fixings of thread cylinder have cylinder 14, both sides fixed mounting has first movable rod 13 around the cylinder 14 top, 13 external surface slips of first movable rod have sliding tray 12, sliding tray 12 is located on the column spinner 8, the external fixed surface cover of column spinner 8 is equipped with slip ring 11, slip ring 11 rotates with dust tube 7 to be connected, the top fixed mounting of column spinner 8 has fixed disk 9, the bottom of dust tube 7 is inlayed and is established and is installed sealing cylinder 22.

In this embodiment, a fixed rod 18 is fixedly connected to the bottom of the column 14, a ring 19 is welded to one end of the fixed rod 18, which is away from the column 14, a ball 17 is disposed between the ring 19 and the column 14, a second movable rod 20 is fixedly connected to the bottom end of the ball 17, a flow stopping ball 23 is fixedly mounted at the bottom end of the second movable rod 20, a sealing ring 21 is fixedly mounted on the outer surface of the second movable rod 20, and a sealing cylinder 22 is movably mounted on the outer surface of the sealing ring 21.

In this embodiment, fixed disk 9 and rotatory handle 10 welded connection, dust protection section of thick bamboo 7 embedding are installed on valve body 1, and 1 both ends of valve body all have a connecting cylinder 2 through connection, and the one end welding that valve body 1 was kept away from to connecting cylinder 2 has solid fixed ring 3, and the one end welding that solid fixed ring 3 kept away from connecting cylinder 2 has looks scarf 4.

In this embodiment, be equipped with bolt hole 5 on solid fixed ring 3, bolt hole 5 is equipped with eight, and four bolt holes 5 use solid fixed ring 3 to be evenly distributed around as the centre of a circle, has seted up through-hole 6 on the solid fixed ring 3.

The working principle is as follows: when the valve is used, the threaded sleeve 16 is meshed with the threaded cylinder 15 to be connected, so that dust is difficult to enter from gaps of the threaded sleeve 15, further, a sealing cylinder 22 is arranged at the bottom end of the dust-proof cylinder 7, the sealing cylinder 22 plays a role of sealing and dust prevention, a sealing ring 21 is arranged in the sealing cylinder 22 to play a role of sealing and dust prevention, the specific opening and closing mode of the switch valve is realized, the fixed disc 9 is driven to rotate by rotating the rotary handle 10, the fixed disc 9 drives the rotary column 8, the rotary column 8 acts on the first movable rod 13 to rotate the cylinder 14, the threaded cylinder 15 on the cylinder 14 and the threaded sleeve 16 act, the cylinder 14 can move up and down to push the ball 17 to move, the second movable rod 20 can move up and down to drive the flow stopping ball 23 to act on the valve body 1 to control the switch valve.

The above, 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 (5)

1. The utility model provides a take dustproof ball valve that seals firmly, includes valve body (1), connecting cylinder (2), solid fixed ring (3), looks abaculus ring (4), bolt hole (5), through-hole (6), dust-proof cylinder (7), column spinner (8), fixed disk (9) and rotatory handle (10), its characterized in that:

dust prevention section of thick bamboo (7) inner chamber is fixed with thread bush (16), thread bush (16) inner ring meshing has a thread section of thick bamboo (15), thread section of thick bamboo (15) internal surface is fixed with cylinder (14), both sides fixed mounting has first movable rod (13) around cylinder (14) top, first movable rod (13) surface slip has sliding tray (12), sliding tray (12) are located on column spinner (8), the surface mounting cover of column spinner (8) is equipped with slip ring (11), slip ring (11) with dust prevention section of thick bamboo (7) rotate and connect, the top fixed mounting of column spinner (8) has fixed disk (9), the bottom of dust prevention section of thick bamboo (7) is inlayed and is established and is installed sealed section of thick bamboo (22).

2. The dustproof hard-seal ball valve as claimed in claim 1, wherein: the utility model discloses a cylinder, including cylinder (14), bottom fixedly connected with dead lever (18), dead lever (18) are kept away from the one end welding of cylinder (14) has ring body (19), ring body (19) with be equipped with spheroid (17) between cylinder (14), spheroid (17) bottom fixedly connected with second movable rod (20), second movable rod (20) bottom fixed mounting has only to flow ball (23), the external fixed surface of second movable rod (20) installs sealing ring (21), sealing ring (21) external surface movable mounting has sealed section of thick bamboo (22).

3. The dustproof hard-seal ball valve as claimed in claim 1, wherein: fixed disk (9) with rotatory handle (10) welded connection, dust protection cylinder (7) embedding install in on valve body (1), valve body (1) both ends all through connection have connecting cylinder (2), connecting cylinder (2) are kept away from the one end welding of valve body (1) has solid fixed ring (3), gu fixed ring (3) are kept away from the one end welding of connecting cylinder (2) has looks abaculus (4).

4. The dustproof hard-seal ball valve as claimed in claim 1, wherein: and the fixing ring (3) is provided with a bolt hole (5).

5. The dustproof hard-seal ball valve according to claim 4, wherein: the bolt holes (5) are eight and four, the bolt holes (5) are distributed in an evenly surrounding mode by taking the fixing ring (3) as the circle center, and the through holes (6) are formed in the fixing ring (3).

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