CN213745029U

CN213745029U - Improved sealing ball valve shaft

Info

Publication number: CN213745029U
Application number: CN202022482665.4U
Authority: CN
Inventors: 魏燕生; 刘国旭
Original assignee: Beijing Dasheng Yinliang Steel Processing Factory
Current assignee: Beijing Dasheng Yinliang Steel Processing Factory
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-20
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a valve equipment technical field, specifically speaking relates to an improvement type sealing ball valve shaft, including the connecting pipe with install the ball valve body in the connecting pipe, the top and the bottom of ball valve body are planar structure, the top surface and the bottom surface of ball valve body are tangent with the roof and the bottom of connecting pipe respectively, the top surface center department of ball valve body installs the valve shaft, the top of valve shaft is installed the handle installation head that the cross-section is the direction, the top surface center of ball valve body seted up with square cutting section size looks adaptation and the square spliced eye of complex, install the twist grip on the handle installation head. The utility model discloses a square cutting that sets up bottom the valve shaft can with the cooperation of pegging graft of square spliced eye on the ball valve core, after inserting for ball valve core and the synchronous rotation of valve shaft, when need not controlling simultaneously, can dismantle valve shaft and ball valve core, are convenient for accomodate, also are convenient for maintain and install, can change valve shaft or ball valve core alone, reduce cost of maintenance.

Description

Improved sealing ball valve shaft

Technical Field

The utility model relates to a valve equipment technical field specifically is a ball valve shaft is sealed to improvement type.

Background

The ball valve is a common one in the valve industry, and the importance of the ball valve is self-evident. In the use process of the ball valve, the sealing performance of the ball valve is an important index influencing the safety and the use performance of the valve. The valve core and the valve shaft of the existing sealing ball valve are of an integral structure, and after the valve core or the valve shaft is damaged, the sealing ball valve is inconvenient to maintain, needs to be integrally replaced when replaced, and increases the maintenance cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improvement type sealing ball valve shaft to the case that presents now sealing ball valve among the solution above-mentioned background art all is overall structure with the valve shaft, damages the back at case or valve shaft, is not convenient for maintain, also needs the whole change when changing, increases cost of maintenance's problem.

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

the utility model provides an improvement type sealing ball valve shaft, includes the connecting pipe and installs the ball valve core in the connecting pipe, the top and the bottom of ball valve core are planar structure, the top surface and the bottom surface of ball valve core are tangent with the roof and the bottom of connecting pipe respectively, the top surface center department of ball valve core installs the valve shaft, the handle installation head that the cross-section is the direction is installed at the top of valve shaft, the square cutting of bottom installation of valve shaft, the top surface center of ball valve core seted up with square cutting cross-sectional dimension looks adaptation and the square spliced eye of grafting complex, install the twist grip on the handle installation head, the top arm and the bottom surface of connecting pipe all inlay and are equipped with the bearing that is used for fixed valve shaft and bottom pivot.

Preferably, the outer wall of the circumference of the ball valve core is provided with a water through port.

Preferably, the depth of the square inserting hole is matched with the size of the square inserting strip.

Preferably, a mounting hole matched with the cross-sectional dimension of the handle mounting head is formed in one end part of the rotating handle connected with the handle mounting head.

Preferably, the height of the handle mounting head is greater than the thickness of the rotating handle, and a fixing insertion hole for inserting a fixing plug pin is formed in the top of one side of the handle mounting head.

Preferably, a sleeve coaxially arranged with the ball valve core is installed at the top of the connecting pipe.

Preferably, the sleeve is provided with a limiting bolt in an inserted manner, and the outer wall of the valve shaft is provided with a fixing hole which is located at the same height and has the same size as the limiting bolt and is matched with the limiting bolt in an inserted manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this improvement type sealing ball valve shaft, through the square cutting that sets up in the valve shaft bottom, can with the cooperation of pegging graft of the square spliced eye on the ball valve core, after inserting for the ball valve core rotates with the valve shaft is synchronous, when need not controlling simultaneously, can dismantle valve shaft and ball valve core, is convenient for accomodate, also is convenient for maintain and install, can change valve shaft or ball valve core alone, reduces cost of maintenance.

2. In this improvement type sealing ball valve shaft, through the fixed bolt that sets up and the cooperation of fixed jack, can prevent that the twist grip from taking place to drop from the handle installation head for twist grip and the installation of handle are connected more firmly, and through the spacing bolt that sets up and the cooperation of the fixed orifices on the valve shaft, can fix the angle of valve shaft, improve the stability of structure.

Drawings

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic sectional view of the present invention.

The definitions of the various reference numbers in the figures are:

10. a ball valve core; 11. a water inlet; 12. a bottom rotating shaft; 13. a square plug hole;

20. a valve shaft; 21. a handle mounting head; 22. fixing the jack; 23. square cutting; 24. a fixing hole; 25. fixing the bolt;

30. rotating the handle; 31. mounting holes;

40. a connecting pipe; 41. a bearing; 42. a sleeve; 43. and a limiting bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

Example 1

An improved sealing ball valve shaft is shown in fig. 1-3, and comprises a connecting pipe 40 and a ball valve core 10 installed in the connecting pipe 40, wherein the top and the bottom of the ball valve core 10 are of a plane structure, the top surface and the bottom surface of the ball valve core 10 are tangent to the top wall and the bottom of the connecting pipe 40 respectively, a valve shaft 20 is installed at the center of the top surface of the ball valve core 10, a handle installing head 21 with a cross section in a direction is installed at the top of the valve shaft 20, a square inserting strip 23 is installed at the bottom of the valve shaft 20, a square inserting hole 13 which is matched with the cross section of the square inserting strip 23 in a size matching mode in an inserting mode is formed in the center of the top surface of the ball valve core 10, a rotating handle 30 is installed on the handle installing head 21, and bearings 41 used for fixing the valve shaft 20 and a rotating shaft 12 at the bottom are embedded in the top arm and the bottom surface of the connecting pipe 40.

Specifically, the water through port 11 is formed in the circumferential outer wall of the ball valve core 10, the depth of the square inserting hole 13 is matched with the size of the square inserting strip 23, and the stability of the structure is improved.

Furthermore, a mounting hole 31 matched with the cross-sectional dimension of the handle mounting head 21 is formed in one end of the rotating handle 30 connected with the handle mounting head 21, the height of the handle mounting head 21 is larger than the thickness of the rotating handle 30, a fixing insertion hole 22 used for inserting the fixing insertion pin 25 is formed in the top of one side of the handle mounting head 21, and the rotating handle 30 can be prevented from falling off from the handle mounting head 21 through the matching of the fixing insertion pin 25 and the fixing insertion hole 22, so that the rotating handle 30 is connected with the handle mounting head 21 more firmly.

In addition, the top of connecting pipe 40 is installed with the sleeve 42 of the coaxial setting of ball valve core 10, pegs graft on the sleeve 42 and is provided with spacing bolt 43, offer on the outer wall of valve shaft 20 with spacing bolt 43 be located same height and size and peg graft complex fixed orifices 24, through the cooperation of the fixed orifices 24 on spacing bolt 43 that sets up and the valve shaft 20, can fix the angle of valve shaft 20, improve the stability of structure.

The utility model discloses an among the improvement type sealing ball valve shaft, through the square cutting 23 that sets up in valve shaft 20 bottom, can with the cooperation of pegging graft of square spliced eye 13 on the ball valve core 10, after inserting for ball valve core 10 rotates with valve shaft 20 is synchronous, when need not controlling, can dismantle valve shaft 20 and ball valve core 10 simultaneously, is convenient for accomodate, also is convenient for maintain and install, can change valve shaft 20 or ball valve core 10 alone, reduces cost of maintenance.

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

1. The utility model provides an improvement type seal ball valve shaft which characterized in that: comprises a connecting pipe (40) and a ball valve core (10) arranged in the connecting pipe (40), the top and the bottom of the ball valve core (10) are of a plane structure, the top surface and the bottom surface of the ball valve core (10) are respectively tangent with the top wall and the bottom of the connecting pipe (40), a valve shaft (20) is arranged at the center of the top surface of the ball valve core (10), a handle mounting head (21) with a cross section in a direction is arranged at the top of the valve shaft (20), a square inserting strip (23) is arranged at the bottom of the valve shaft (20), a square inserting hole (13) which is matched with the square inserting strip (23) in a splicing way and is matched with the square inserting strip (23) in size is formed in the center of the top surface of the ball valve core (10), the handle installing head (21) is provided with a rotating handle (30), and the top arm and the bottom surface of the connecting pipe (40) are embedded with bearings (41) used for fixing the valve shaft (20) and the bottom rotating shaft (12).

2. An improved sealed ball valve shaft as defined in claim 1 wherein: and a water through hole (11) is formed in the circumferential outer wall of the ball valve core (10).

3. An improved sealed ball valve shaft as defined in claim 1 wherein: the depth of the square inserting hole (13) is matched with the size of the square inserting strip (23).

4. An improved sealed ball valve shaft as defined in claim 1 wherein: one end part of the rotating handle (30) connected with the handle mounting head (21) is provided with a mounting hole (31) matched with the cross section of the handle mounting head (21).

5. An improved sealed ball valve shaft as defined in claim 4 wherein: the height of the handle mounting head (21) is larger than the thickness of the rotating handle (30), and a fixing insertion hole (22) for inserting and fixing a plug pin (25) is formed in the top of one side of the handle mounting head (21).

6. An improved sealed ball valve shaft as defined in claim 1 wherein: and a sleeve (42) which is coaxially arranged with the ball valve core (10) is arranged at the top of the connecting pipe (40).

7. An improved sealed ball valve shaft as defined in claim 6 wherein: the valve shaft is characterized in that a limiting bolt (43) is inserted into the sleeve (42), and a fixing hole (24) which is located at the same height and is in size and matched with the limiting bolt (43) in an inserting mode is formed in the outer wall of the valve shaft (20).