CN220600637U

CN220600637U - High-temperature hard sealing ball valve

Info

Publication number: CN220600637U
Application number: CN202322265505.8U
Authority: CN
Inventors: 陈安定; 金瑞建; 丁新; 卢再望; 苏丽君; 杜明华; 胡鹏程; 黄金柱
Original assignee: Zhejiang Bertley Technology Co ltd
Current assignee: Zhejiang Bertley Technology Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-15
Anticipated expiration: 2033-08-22

Abstract

The utility model relates to the technical field of valves, in particular to a high-temperature hard sealing ball valve which comprises a spherical valve core, a valve body and a valve cover, wherein the valve cover is connected with the valve body through bolts, a rotating cavity for the spherical valve core to rotate is arranged in the valve body, a valve rod penetrates through the valve cover, one end of the valve rod is connected with the spherical valve core, the other end of the valve rod extends to the outside of the valve cover, a medium flow passage is arranged in the valve body, a valve cover extending section extends at the position of the valve cover corresponding to the valve rod, a plurality of radiating fins are welded on the peripheral side of the valve cover extending section, the radiating fins are of a strip-shaped structure and are perpendicular to the valve cover extending section, and the contact area between the ball valve and air is increased by welding a plurality of radiating fins on the peripheral side of the valve cover extending section, so that the ball valve can adapt to long-term high-temperature environment operation, the service life of the ball valve is prolonged.

Description

High-temperature hard sealing ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a high-temperature hard sealing ball valve.

Background

The surface of the manual cast steel hard sealing ball valve adopts an advanced spraying technology, and the highest hardness can reach HRC78 through the treatment of various different working conditions. The highest hardness of the valve seat sealing surface can reach HRC72. The ball body and the valve seat are subjected to pairing grinding, and all sealing areas of the whole sealing surface of the ball valve are subjected to precise grinding. The metal sealing ball valve is provided with a floating ball and a fixed ball, and the metal valve seat ring is contacted with the spherical surface, so that the valve seat ring and the spherical surface form a seal through uniform spring load acting on the valve seat ring.

However, the existing hard sealing ball valve still has the following problems that the heat dissipation effect of the valve is poor, and particularly, if the valve cannot dissipate heat in time after long-term operation in a high-temperature environment, the service life of the valve is influenced.

Disclosure of Invention

The utility model aims to overcome the defects and the shortcomings of the prior art and provide the high-temperature hard sealing ball valve which has the advantage of good heat dissipation effect.

The technical scheme adopted by the utility model is as follows: the utility model provides a high temperature hard seal ball valve, includes spherical case, valve body and valve gap, the valve gap passes through bolted connection with the valve body, be equipped with in the valve body and supply spherical case pivoted rotation chamber, it has the valve rod to run through in the valve gap, spherical case and the other end extension to the valve gap outside are connected to valve rod one end, be equipped with the medium runner in the valve body, the position that corresponds the valve rod on the valve gap extends there is the valve gap extension section, the welding of valve gap extension section week side has a plurality of fin, the fin is bar structure and perpendicular to valve gap extension section.

Preferably, a valve core channel communicated with the medium flow channel is arranged in the spherical valve core, a self-cleaning mechanism is arranged in the valve core channel, and the self-cleaning mechanism and the valve rod are coaxially arranged.

Preferably, the self-cleaning mechanism comprises a rotating shaft and a plurality of rotating plates, the axis of the rotating shaft is perpendicular to the axis of the valve core channel, two grooves for installing two ends of the rotating shaft are formed in the inner wall of the valve core channel, the rotating plates are uniformly distributed on the periphery of the rotating shaft, and the side walls of the rotating plates are arc-shaped and are matched with the inner wall of the valve core channel.

Preferably, the self-cleaning mechanism further comprises a plurality of bristles, the plurality of bristles are connected to the side wall of the rotating plate, the plurality of bristles are uniformly distributed along the circular arc of the side wall of the rotating plate, and one end of each bristle, far away from the side wall of the rotating plate, extends to be propped against the inner wall of the valve core channel.

Preferably, a rounded corner is arranged at one end of the brush hair, which is propped against the inner wall of the valve core channel.

Preferably, the rotating plate comprises a fixed layer and a magnetic attraction layer, and the fixed layer is fixedly connected with the magnetic attraction layer.

Preferably, the bearing piece and the gasket are sleeved at two ends of the rotating shaft, and the bearing piece is positioned at one side of the gasket, which is close to the bottom surface of the groove.

Preferably, the valve body is provided with a water inlet hole and a water outlet hole, the inner edges of the water inlet hole and the water outlet hole are respectively provided with a sealing plug in a matched mode, the water inlet hole is positioned on one side, close to the valve rod, of the spherical valve core, the water outlet hole is positioned at the center of the bottom of the valve body, and the water inlet hole and the water outlet hole are connected with the rotating cavity.

The beneficial effects of the utility model are as follows: the ball valve has the advantages that the contact area between the ball valve and air is increased by welding a plurality of radiating fins on the peripheral side of the valve cover extension section, so that the ball valve can adapt to long-term high-temperature environment operation, the service life of the ball valve is prolonged, and the radiating effect is good.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is a schematic diagram of a high temperature hard seal ball valve according to the present utility model;

FIG. 2 is a schematic left-hand semi-sectional view of a high temperature hard seal ball valve of the present utility model;

FIG. 3 is a schematic view of a spherical valve core with a self-cleaning mechanism installed therein;

FIG. 4 is a schematic cross-sectional view of a ball valve cartridge of the present utility model having a self-cleaning mechanism mounted therein;

FIG. 5 is a schematic view of the self-cleaning mechanism according to the present utility model;

in the figure, a 1-spherical valve core, a 2-valve body, a 3-rotating cavity, a 4-valve rod, a 5-medium flow passage, a 6-extending section, a 7-radiating fin, an 8-valve cover, a 9-valve core passage, a 10-self-cleaning mechanism, an 11-rotating shaft, a 12-rotating plate, a 13-groove, 14-bristles, a 15-rounding corner, a 16-fixing layer, a 17-magnetic attraction layer, a 18-bearing piece, a 19-gasket, a 20-water inlet hole, a 21-water outlet hole and a 22-sealing plug.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 2, in an embodiment of the present utility model, a high temperature hard sealing ball valve includes a spherical valve core 1, a valve body 2, and a valve cover 8, where the valve cover 8 is connected with the valve body 2 by a bolt, a rotating cavity 3 for rotating the spherical valve core 1 is provided in the valve body 2, a valve rod 4 penetrates through the valve cover 8, one end of the valve rod 4 is connected with the spherical valve core 1, and the other end extends to the outside of the valve cover 8, a medium flow channel 5 is provided in the valve body 2, an extension section 6 extends on the valve cover 8 corresponding to the position of the valve rod 4, and a plurality of cooling fins 7 are welded on the circumference side of the extension section 6, where the cooling fins 7 are in a strip structure and perpendicular to the extension section 6. The ball valve has the advantages that the contact area between the ball valve and air is increased by welding a plurality of radiating fins on the peripheral side of the valve cover extension section, so that the ball valve can adapt to long-term high-temperature environment operation, the service life of the ball valve is prolonged, and the radiating effect is good.

As shown in fig. 3, a valve core channel 9 communicated with the medium flow channel 5 is arranged inside the spherical valve core 1, a self-cleaning mechanism 10 is arranged in the valve core channel 9, and the self-cleaning mechanism 10 and the valve rod 4 are coaxially arranged. Impurities can be prevented from remaining in the valve core channel through the self-cleaning mechanism, and the opening and closing of the valve are prevented from being influenced.

As shown in fig. 4 to 5, the self-cleaning mechanism 10 includes a rotating shaft 11 and a plurality of rotating plates 12, the axis of the rotating shaft 11 is perpendicular to the axis of the valve core channel 9, two grooves 13 for installing two ends of the rotating shaft 11 are provided on the inner wall of the valve core channel 9, the plurality of rotating plates 12 are uniformly distributed on the circumference side of the rotating shaft 11, and the side wall of the rotating plate 12 is an arc adapted to the inner wall of the valve core channel 9. The two ends of the rotating shaft and the two grooves of the valve core channel are respectively matched to form the double-guide effect, so that the structure of the self-cleaning mechanism is more stable, a plurality of rotating plates can rotate along with the rotating shaft, the self-cleaning mechanism can rotate under the drive of a medium, and the side wall of each rotating plate drives impurities remained in the valve core channel to be discharged when the side wall of the rotating plate rotates to be in contact with the inner wall of the valve core channel.

As shown in fig. 4 to 5, the self-cleaning mechanism 10 further includes a plurality of bristles 14, the plurality of bristles 14 are connected to the side wall of the rotating plate 12, the plurality of bristles 14 are uniformly distributed along the circular arc of the side wall of the rotating plate 12, and one end of the bristles 14 away from the side wall of the rotating plate 12 extends to abut against the inner wall of the valve core channel 9. The ability of scraping off impurities from the cleaning mechanism is further improved by the bristles.

As shown in fig. 4 to 5, the end of the brush hair 14 abutting against the inner wall of the valve core channel 9 is provided with a chamfer 15. The damage to the inner wall of the valve core channel is prevented when the bristles scrape impurities through the rounding.

As shown in fig. 5, the rotating plate 12 includes a fixing layer 16 and a magnetic attraction layer 17, and the fixing layer 16 and the magnetic attraction layer 17 are fixedly connected. The rotating plate is also attached with a magnetic attraction layer which is used for adsorbing particle metal impurities, so that the cleaning capability of the self-cleaning mechanism is further improved.

As shown in fig. 4 to 5, the two ends of the rotating shaft 11 are respectively sleeved with a bearing member 18 and a gasket 19, and the bearing member 18 is positioned on one side of the gasket 19 close to the bottom surface of the groove 13. The rotating shaft rotates more smoothly through the bearing piece, and impurities are prevented from entering the bearing piece through the gasket to influence the normal operation of the bearing piece.

As shown in fig. 1, the valve body 2 is provided with a water inlet hole 20 and a water outlet hole 21, the inner edges of the water inlet hole 20 and the water outlet hole 21 are respectively provided with a sealing plug 22 which is matched with each other, the water inlet hole 20 is positioned on one side of the spherical valve core 1, which is close to the valve rod 4, the water outlet hole 21 is positioned at the center of the bottom of the valve body 2, and the water inlet hole 20 and the water outlet hole 21 are both connected with the rotating cavity 3. Cleaning solution can be added into the rotating cavity through the water inlet hole, the water outlet hole is used for discharging the cleaning solution and impurities, the water inlet hole and the water outlet hole are blocked by the sealing plug to prevent leakage when the ball valve works normally, the cleaning capacity of the ball valve is further improved, and the service life of the ball valve is prolonged.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a high temperature hard seal ball valve, includes spherical case (1), valve body (2) and valve gap (8), bolted connection is passed through with valve body (2) in valve gap (8), be equipped with in valve body (2) and supply spherical case (1) pivoted rotation chamber (3), it has valve rod (4) to run through in valve gap (8), spherical case (1) and the other end extension to valve gap (8) are connected to valve rod (4) one end, be equipped with medium runner (5), its characterized in that in valve body (2): the valve cover (8) is provided with an extension section (6) corresponding to the valve rod (4), a plurality of radiating fins (7) are welded on the periphery of the extension section (6), and the radiating fins (7) are of a strip-shaped structure and perpendicular to the extension section (6).

2. The high temperature hard seal ball valve of claim 1, wherein: the ball valve is characterized in that a valve core channel (9) communicated with the medium flow channel (5) is arranged in the ball valve core (1), a self-cleaning mechanism (10) is arranged in the valve core channel (9), and the self-cleaning mechanism (10) and the valve rod (4) are arranged in the coaxial direction.

3. The high temperature hard seal ball valve of claim 2, wherein: the self-cleaning mechanism (10) comprises a rotating shaft (11) and a plurality of rotating plates (12), the axis of the rotating shaft (11) is perpendicular to the axis of the valve core channel (9), two grooves (13) for installing two ends of the rotating shaft (11) are formed in the inner wall of the valve core channel (9), the rotating plates (12) are uniformly distributed on the periphery of the rotating shaft (11), and the side walls of the rotating plates (12) are circular arcs matched with the inner wall of the valve core channel (9).

4. A high temperature hard seal ball valve as defined in claim 3 wherein: the self-cleaning mechanism (10) further comprises a plurality of bristles (14), the plurality of bristles (14) are connected to the side wall of the rotating plate (12), the plurality of bristles (14) are uniformly distributed along the circular arc of the side wall of the rotating plate (12), and one end, far away from the side wall of the rotating plate (12), of each bristle (14) extends to be propped against the inner wall of the valve core channel (9).

5. The high temperature hard seal ball valve according to claim 4, wherein: one end of the brush hair (14) propped against the inner wall of the valve core channel (9) is provided with a rounding (15).

6. A high temperature hard seal ball valve as defined in claim 3 wherein: the rotating plate (12) comprises a fixed layer (16) and a magnetic attraction layer (17), and the fixed layer (16) and the magnetic attraction layer (17) are fixedly connected.

7. A high temperature hard seal ball valve as defined in claim 3 wherein: the bearing parts (18) and the gaskets (19) are sleeved at two ends of the rotating shaft (11), and the bearing parts (18) are positioned at one side of the gaskets (19) close to the bottom surface of the groove (13).

8. The high temperature hard seal ball valve of claim 1, wherein: be equipped with inlet opening (20) and apopore (21) on valve body (2), inlet opening (20) and apopore (21) inner edge all are equipped with sealing plug (22) of looks adaptation, inlet opening (20) are located one side that spherical case (1) is close to valve rod (4), apopore (21) are located the bottom center of valve body (2), inlet opening (20) and apopore (21) all are connected with rotating chamber (3).