CN213393651U

CN213393651U - Full latus rectum facial make-up formula loose joint ball valve

Info

Publication number: CN213393651U
Application number: CN202022319374.3U
Authority: CN
Inventors: 江长友
Original assignee: Yuhuan Jianglin Plumbing Co ltd
Current assignee: Yuhuan Jianglin Plumbing Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-08
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a full latus rectum facial make-up formula loose joint ball valve relates to valve technical field. The utility model discloses a valve casing and ball-type case, the inside of valve casing is provided with the ball-type case, and the valve rod is installed on the upper portion of ball-type case, and the regulation handle is installed on the top of valve rod, and the internally mounted of valve casing has embedded bearing, and embedded bearing rotates with the valve rod to be connected, and the upper seal circle is installed to the lower part of embedded bearing, and the lower seal circle is installed to the lower part of upper seal circle, all installs sealed angle pad with ball-type case four corners relative position on the upper portion inner wall of valve. The utility model discloses a set up upper seal circle and lower seal circle in the valve casing, can strengthen the utility model discloses a sealed effect avoids the valve body to leak in the use, sets up valve casing wearing layer and case wearing layer in valve casing and ball valve core respectively, multiplicable the utility model discloses a wearability improves the utility model discloses a life.

Description

Full latus rectum facial make-up formula loose joint ball valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a full latus rectum facial make-up formula loose joint ball valve.

Background

In China, ball valves are widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and have a very important position in national economy, a loose joint ball valve is one of the ball valves, and the purpose of adopting a loose joint is to disassemble the ball valve later, but the existing loose joint ball valve, particularly a full-diameter upper-mounted loose joint ball valve, has the problems of poor sealing effect, poor wear resistance and short service life in the using process, and in view of the existing problems, the existing loose joint ball valve needs to be improved to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full latus rectum upper assembling type loose joint ball valve, through setting up the upper seal circle, the bottom seal circle, case wearing layer and valve casing wearing layer, upper seal circle and bottom seal circle all set up between valve rod and valve casing, play the effect in the space on sealed valve rod and valve casing upper portion, can prevent effectively that the water from spilling over from the gap of valve rod and valve casing, case wearing layer and valve casing wearing layer all have stronger wearability, can protect valve casing and case to avoid the wearing and tearing of aquatic hard sediment, improve the life of ball valve, it is poor to have solved the sealed effect of current technique, wear-resisting effect is poor, the short problem of life.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a full latus rectum facial make-up formula loose joint ball valve, including valve casing and ball-type valve core, the inside of valve casing is provided with ball-type valve core, the valve rod is installed on ball-type valve core's upper portion, the regulation handle is installed on the top of valve rod, the internally mounted of valve casing has embedded bearing, embedded bearing rotates with the valve rod to be connected, the upper seal circle is installed to the lower part of embedded bearing, the lower seal circle is installed to the lower part of upper seal circle, all install sealed angle pad with ball-type valve core four corners relative position on the upper portion inner wall of valve casing and the lower part inner wall, the surface clearance fit of sealed angle pad and ball-type valve core, ball-type valve core's inner wall is provided with the case wearing layer.

Further, the valve casing includes valve casing main part, preceding ring flange and back ring flange, the preceding ring flange is installed to the front end of valve casing main part, the back ring flange is installed to the rear end of valve casing main part, and the setting of preceding ring flange and back ring flange can conveniently be installed this device in the pipeline for this device installation is dismantled more conveniently.

Furthermore, connecting holes are formed in the front flange plate and the rear flange plate, the connecting holes are formed in the front flange plate and the rear flange plate at equal intervals in an annular mode, the connecting holes are formed in the annular equal intervals, so that the valve body can be effectively connected with the pipeline all around when the valve body is installed in the pipeline, and the probability of water leakage at the connecting position is reduced.

Further, the internal diameter of ball-type case equals with the internal diameter of preceding ring flange and the internal diameter size of back ring flange, the thickness of case wearing layer equals with the thickness of valve casing wearing layer, sets up the internal diameter of ball-type case and the internal diameter size of preceding ring flange and back ring flange equals, can guarantee that this ball valve is full latus rectum, can make the interior water trafficability characteristic of ball valve higher like this, and water mobility is stronger, and the thickness that sets up two kinds of wearing layers equals is equal in order to keep the inside effective area size of passing through of ball valve equal, reduces the resistance to rivers.

Further, first last ring flange is installed to the upper end of valve casing, install ring flange on the second on the first last ring flange, install the fastener between ring flange on first last ring flange and the second to through fastener fixed connection between ring flange on first last ring flange and the second, set up first connection pad and second and go up the connection pad and can realize the sealing to ball valve upper portion, avoid the water in the ball valve to spill from upper portion.

Further, a limiting sleeve is installed in the middle of the first upper flange plate, the valve rod is connected in the limiting sleeve in an inserted mode, the valve rod is connected with the limiting sleeve in a rotating mode, the limiting sleeve is arranged to limit the position of the valve rod, and the valve rod is prevented from shaking left and right in the using process to affect use.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up upper seal circle and lower seal circle, upper seal circle and lower seal circle combination mounting are in the upper portion cavity of valve casing one on the other, closely cooperate with the valve rod, play the sealed effect to valve casing upper portion clearance, the sealed corner pad of setting lower part on valve casing ball-shaped cavity can with the better cooperation of ball valve core, make the ball valve core go up the lower part and the valve casing between sealed effect better, the outer hourglass of the internal water of very big reduction valve, it is poor to have solved the sealed effect of current technique, the problem of leaking easily.

2. The utility model discloses a set up case wearing layer and valve casing wearing layer, case wearing layer and valve casing wearing layer set up respectively on the inner wall of case and valve casing, and case wearing layer and valve casing wearing layer are ceramic wearing layer, have stronger wearability, can protect valve casing and ball-type case to avoid the wearing and tearing of sand grain, disintegrating slag in the water, and the protection valve body of No. more improves the life of valve body.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an overall external view of the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a valve housing; 101. a valve housing body; 102. a front flange plate; 103. a rear flange plate; 104. connecting holes; 2. a ball valve core; 3. a valve stem; 4. a first upper flange; 5. a second upper flange; 6. a fastener; 7. adjusting the handle; 8. an embedded bearing; 9. an upper sealing ring; 10. a lower seal ring; 11. sealing the corner gasket; 12. a valve core wear layer; 13. a valve housing wear layer; 14. a limiting sleeve.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a full-bore top-mounted loose joint ball valve, which comprises a valve casing 1 and a ball valve core 2, wherein the valve casing 1 comprises a valve casing main body 101, a front flange 102 and a rear flange 103, the front end of the valve casing main body 101 is provided with the front flange 102, the rear end of the valve casing main body 101 is provided with the rear flange 103, the front flange 102 and the rear flange 103 are both provided with connecting holes 104, the connecting holes 104 are annularly and equidistantly arranged on the front flange 102 and the rear flange 103, the ball valve core 2 is arranged inside the valve casing 1, the inner diameter of the ball valve core 2 is equal to the inner diameter of the front flange 102 and the inner diameter of the rear flange 103, the upper part of the ball valve core 2 is provided with a valve rod 3, the upper end of the valve casing 1 is provided with a first upper flange 4, the first upper flange 4 is provided with a second upper flange 5, a fastener 6 is arranged, the first upper flange plate 4 and the second upper flange plate 5 are fixedly connected through a fastening piece 6, a limit sleeve 14 is installed in the middle of the first upper flange plate 4, the valve rod 3 is inserted in the limit sleeve 14, the valve rod 3 is connected with the limit sleeve 14 in a sealing and rotating mode, an adjusting handle 7 is installed at the top end of the valve rod 3, an embedded bearing 8 is installed inside the valve casing 1, the embedded bearing 8 is connected with the valve rod 3 in a rotating mode, an upper sealing ring 9 is installed at the lower portion of the embedded bearing 8, a lower sealing ring 10 is installed at the lower portion of the upper sealing ring 9, sealing angle pads 11 are installed on the upper portion inner wall and the lower portion inner wall of the valve casing 1 at positions opposite to four corners of the spherical valve core 2 respectively, the sealing angle pads 11 are in clearance fit with the surface of the spherical valve core 2, when the device is used, the device is installed in a specified pipeline through the front, the valve rod 3 drives the ball valve core 2 inside the valve casing 1 to rotate, when the valve cavity of the ball valve core 2 is positioned on the same straight line with the front flange plate 102 and the rear flange plate 103, it is described that the ball valve is opened to the maximum, at the moment, no matter what direction rotates, the opening degree of the ball valve is gradually reduced until the ball valve is completely sealed, when the ball valve is opened, the sealing angle pad 11 arranged at the upper and lower parts of the inner wall of the valve casing 1 can be matched with the ball valve core 2 to realize primary sealing, the water body seepage upwards is reduced, when a small amount of water body permeates into the upper part of the ball valve core 2, the combined sealing structure formed by the upper sealing ring 9 and the lower sealing ring 10 can carry.

Please refer to fig. 1, the inner wall of the ball-type valve element 2 is provided with a valve element wear layer 12, the inner wall of the valve housing 1 is provided with a valve housing wear layer 13, the thickness of the valve element wear layer 12 is equal to the thickness of the valve housing wear layer 13, when the water body contains sand and slag, the water body is forced to cause serious wear inside the valve body at high speed through the valve body, at this moment, the valve housing wear layer 13 is arranged on the inner wall of the valve housing 1, the valve element wear layer 12 is arranged on the inner wall of the ball-type valve element 2, the valve housing 1 and the ball-type valve element 2 can be respectively protected against wear, and.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.

Claims

1. The utility model provides a full latus rectum facial make-up formula loose joint ball valve, includes valve casing (1) and ball-type case (2), its characterized in that: a ball-shaped valve core (2) is arranged in the valve shell (1), a valve rod (3) is arranged at the upper part of the ball-shaped valve core (2), an adjusting handle (7) is arranged at the top end of the valve rod (3), an embedded bearing (8) is arranged in the valve casing (1), the embedded bearing (8) is rotationally connected with the valve rod (3), an upper sealing ring (9) is arranged at the lower part of the embedded bearing (8), a lower sealing ring (10) is arranged at the lower part of the upper sealing ring (9), sealing angle pads (11) are respectively arranged on the upper inner wall and the lower inner wall of the valve casing (1) at the positions corresponding to the four corners of the ball-shaped valve core (2), the sealing angle gasket (11) is in clearance fit with the surface of the ball valve core (2), the inner wall of the spherical valve core (2) is provided with a valve core wear-resistant layer (12), and the inner wall of the valve shell (1) is provided with a valve shell wear-resistant layer (13).

2. A full-bore top-loading ball cock as claimed in claim 1, wherein the valve housing (1) comprises a housing body (101), a front flange (102) and a rear flange (103), the front flange (102) being mounted to the front end of the housing body (101), and the rear flange (103) being mounted to the rear end of the housing body (101).

3. The full-bore upper-mounting type loose joint ball valve according to claim 2, wherein the front flange plate (102) and the rear flange plate (103) are respectively provided with a connecting hole (104), and the connecting holes (104) are annularly and equidistantly arranged on the front flange plate (102) and the rear flange plate (103).

4. The full-bore top-loading type loose joint ball valve as claimed in claim 1, wherein the inner diameter of the ball valve core (2) is equal to the inner diameter of the front flange (102) and the inner diameter of the rear flange (103), and the thickness of the valve core wear-resistant layer (12) is equal to the thickness of the valve casing wear-resistant layer (13).

5. A full-bore top-loading type loose joint ball valve according to claim 1, wherein a first upper flange (4) is mounted at the upper end of the valve casing (1), a second upper flange (5) is mounted on the first upper flange (4), a fastening member (6) is mounted between the first upper flange (4) and the second upper flange (5), and the first upper flange (4) and the second upper flange (5) are fixedly connected through the fastening member (6).

6. A full-bore upper-mounting type loose joint ball valve according to claim 5, characterized in that a limiting sleeve (14) is mounted in the middle of the first upper flange (4), the valve rod (3) is inserted in the limiting sleeve (14), and the valve rod (3) is connected with the limiting sleeve (14) in a sealing and rotating manner.