CN214093119U

CN214093119U - Floating ball valve positioning structure

Info

Publication number: CN214093119U
Application number: CN202021753688.8U
Authority: CN
Inventors: 唐春荣
Original assignee: Heyuan Flowtecal Automatic Control Valve Co ltd
Current assignee: Heyuan Flowtecal Automatic Control Valve Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-08-31
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a ball valve location structure floats, including the valve body casing, threaded hole is seted up to bottom one side of valve body casing, and bolt and one side threaded connection of valve gap are passed through in the outside of screw hole, and pipeline has been seted up to the inside of valve body casing, and the cavity has been seted up at the top of valve body casing, and the inside interlude of cavity is connected with main pivot, and the top fixed mounting of main pivot has the bull stick, and a pot head of bull stick is equipped with the defeated material cover of friction, and the outside cover at main pivot top is equipped with the filler and presses the cover, and the non-metallic shaft cover is installed to the inner wall that the filler pressed the cover. This scheme packs through the two location of pressing cover and axle sleeve of main pivot top installation, sets up non-metallic shaft sleeve in the inboard that packs and press the cover, and main pivot often has the contact with inside other spare parts of valve body casing, reduces the friction behind the frequent switch, presses the mutual setting of cover, axle sleeve and reasoning pad through packing, reduces the inside moment of torsion of valve body, alleviates the part degree of wear to improve the life of valve.

Description

Floating ball valve positioning structure

Technical Field

The utility model belongs to the technical field of the ball valve that floats, concretely relates to ball valve location structure floats.

Background

The spheroid of ball valve is unsteady, and under the medium pressure effect, the spheroid can produce certain displacement and sticiss on the sealed face of exit end, guarantees that the exit end is sealed, and the ball valve on the current market designs according to pneumatic switch's requirement not pertinence, and in the use, the valve rod often has the contact with other spare parts, produces the friction after frequent switch, increases the moment of torsion, damages the part, leads to the life of valve not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve location structure floats aims at solving the valve rod among the prior art and often has the contact with other spare parts, produces the friction after the frequent switch, increases the moment of torsion, damages the part, leads to the not problem of life of valve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball valve location structure floats, includes the valve body casing, threaded hole is seted up to bottom one side of valve body casing, bolt and one side threaded connection of valve gap are passed through in the outside of screw hole, pipeline has been seted up to the inside of valve body casing, the cavity has been seted up at the top of valve body casing, the inside interlude of cavity is connected with the main pivot, the top fixed mounting of main pivot has the bull stick, the pot head of bull stick is equipped with the friction conveying material cover, the outside cover at main pivot top is equipped with the filler and presses the cover, the non-metallic shaft cover is installed to the inner wall that the cover was pressed to the filler, the bottom fixed mounting who presses the cover to the filler has the axle sleeve, the bottom outside cover of main pivot is equipped with thrust pad, the bottom fixed mounting of main pivot has the valve rod head.

As an optimization the bottom fixed mounting of main pivot has the dog.

Preferably, the top and the bottom of the stop block are provided with rubber gaskets at the intersection positions with the inner wall of the valve body shell.

As an optimization the bottom and the top at both ends of the valve body shell are provided with openings.

Compared with the prior art, the beneficial effects of the utility model are that: the packing pressing sleeve and the shaft sleeve are arranged at the top of the main rotating shaft in a double-positioning mode, the non-metal shaft sleeve is arranged on the inner side of the packing pressing sleeve 143, the main rotating shaft is always in contact with other parts inside the valve body shell, friction is reduced after the main rotating shaft is frequently opened and closed, torque inside the valve body is reduced through mutual arrangement of the packing pressing sleeve, the shaft sleeve and the thrust pad, the abrasion degree of the parts is reduced, the service life of the valve is prolonged, the spherical head is machined through the arranged head of the valve rod, the contact surface of the thrust pad is also machined into a corresponding shape and size, the valve rod can be self-adjusted and concentric with the thrust pad after being assembled, and a non-metal shaft sleeve positioning structure is combined to ensure that the valve rod is in a vertical state, the operation torque of the valve is reduced, and the valve rod cannot be in contact with other metal parts.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the packing pressing sleeve structure of the present invention;

fig. 3 is a schematic structural view of the thrust pad of the present invention.

In the figure: 1. a valve body housing; 11. a threaded hole; 12. a delivery conduit; 13. a cavity; 14. A main rotating shaft; 141. a rotating rod; 142. a material conveying sleeve is rubbed; 143. pressing and sleeving the filler; 144. a shaft sleeve; 145. a thrust pad; 146. a valve stem head; 15. a stopper; 2. and a valve cover.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a ball valve location structure floats, including valve body housing 1, threaded hole 11 has been seted up to bottom one side of valve body housing 1, bolt and one side threaded connection of valve gap 2 are passed through in the outside of threaded hole 11, pipeline 12 has been seted up to valve body housing 1's inside, cavity 13 has been seted up at valve body housing 1's top, the inside interlude of cavity 13 is connected with main pivot 14, main pivot 14's top fixed mounting has bull stick 141, bull stick 141's a pot head is equipped with friction conveying material cover 142, the outside cover at main pivot 14 top is equipped with packing pressure cover 143, the nonmetal axle sleeve is installed to packing pressure cover 143's inner wall, packing pressure cover 143's bottom fixed mounting has axle sleeve 144, main pivot 14's bottom outside cover is equipped with thrust pad 145, main pivot 14's bottom fixed mounting has valve rod head 146.

The bottom end of the main rotating shaft 14 is fixedly provided with a stop block 15, and the water flow in the conveying pipeline 12 is stopped by the arranged stop block 15.

Rubber sealing gaskets are arranged at the intersection positions of the top end and the bottom end of the stop block 15 and the inner wall of the valve body shell 1, and the rotating friction between the stop block 15 and the valve body shell 1 is reduced through the rubber sealing gaskets.

The bottom and the top at two ends of the valve body shell 1 are provided with openings, and the installation of the flange is facilitated through the arranged openings.

The working principle is as follows: the valve cover 2 is arranged at the opening at one side of the valve body shell 1 by a bolt at one side of the floating ball valve body through a threaded hole 11 on the valve body shell 1, when the floating ball valve is not used, the interior of the floating ball valve is protected, water flow is convenient to dredge through a arranged conveying pipeline 12, a rotating rod 141 on a main rotating shaft 14 is manually rotated, so that a stop block 15 at the bottom end of the main rotating shaft 14 is driven to rotate, the conveying pipeline 12 is closed, a non-metal shaft sleeve is arranged at the inner side of a packing pressing sleeve 143 through double positioning of the packing pressing sleeve 143 and the shaft sleeve 144 arranged at the top of the main rotating shaft 14, the main rotating shaft 14 is in contact with other parts in the valve body shell 1, friction is generated after frequent opening and closing, the packing pressing sleeve 143, the shaft sleeve 144 and a thrust pad 145 are mutually arranged, the torque in the valve body is reduced, the abrasion degree of the parts is reduced, the service life of the valve is prolonged, and the valve rod 146 is processed into a ball-shaped head, the contact surface of the thrust pad is also processed into a corresponding shape and size, the main rotating shaft 14 can be self-adjusted and concentric with the thrust pad 145 after being assembled, and the valve rod is ensured to be in a vertical state by combining a non-metal shaft sleeve positioning structure and cannot be contacted with other metal parts after being assembled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a floating ball valve location structure, includes valve body casing (1), its characterized in that, threaded hole (11) has been seted up to bottom one side of valve body casing (1), one side threaded connection of bolt and valve gap (2) is passed through to the outside of threaded hole (11), pipeline (12) have been seted up to the inside of valve body casing (1), cavity (13) have been seted up at the top of valve body casing (1), the inside interlude of cavity (13) is connected with main pivot (14), the top fixed mounting of main pivot (14) has bull stick (141), one pot head of bull stick (141) is equipped with friction conveying material cover (142), the outside pot head at main pivot (14) top is equipped with and packs and presses cover (143), the non-metallic shaft sleeve is installed to the inner wall that packs and presses cover (143), the bottom fixed mounting that packs and presses cover (143) has axle sleeve (144), the bottom outside cover of main pivot (14) is equipped with thrust pad (145), the bottom fixed mounting of main pivot (14) has valve rod head (146).

2. A floating ball valve positioning structure as claimed in claim 1, wherein: and a stop block (15) is fixedly arranged at the bottom end of the main rotating shaft (14).

3. A floating ball valve positioning structure as claimed in claim 2, wherein: rubber sealing gaskets are arranged at the intersection positions of the top end and the bottom end of the stop block (15) and the inner wall of the valve body shell (1).

4. A floating ball valve positioning structure as claimed in claim 1, wherein: the bottom and the top of the two ends of the valve body shell (1) are provided with holes.