CN212564489U

CN212564489U - Novel ball valve

Info

Publication number: CN212564489U
Application number: CN202021090053.4U
Authority: CN
Inventors: 张伟; 林法青
Original assignee: Taizhou Yingfa Valve Co ltd
Current assignee: Taizhou Yingfa Valve Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-19
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a novel ball valve, which comprises a valve body, establish spheroid and matched with disk seat in the valve body runner, still include both ends open-ended valve gap and disk seat supporter, the valve gap is fixed at valve body runner both ends opening part, the disk seat supporter is established to valve gap end opening part, establish the elastic component between disk seat supporter one end and the valve gap, and relative other end butt disk seat, this ball valve increases the disk seat supporter, exert pressure the disk seat supporter with the elastic component, and then exert pressure the disk seat, thereby make the disk seat hug closely with the spheroid, sealing performance is improved, and the position of accessible adjustment valve gap further exerts pressure the elastic component, thereby improve disk seat and spheroidal laminating compactness, extension disk seat operating time.

Description

Novel ball valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to novel ball valve.

Background

The valve is a control component in a fluid conveying system, such as a commonly used flow control ball valve, taking an electric ball valve as an example, a ball body and a matched valve seat are generally installed in a flow channel of the valve body, a valve rod is inserted from the top of the valve body and connected with the ball body, the valve rod is rotated by an actuating mechanism, so that the rotation of the ball body is realized, a water inlet is gradually exposed out of a flow channel opening of the valve body, and the flow is adjusted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect, the utility model provides a following technical scheme:

the novel ball valve comprises a valve body, wherein a ball body and a matched valve seat are arranged in a valve body flow passage, the novel ball valve also comprises a valve cover with two open ends and a valve seat supporting body, the valve cover is fixed at the openings at the two ends of the valve body flow passage, the valve seat supporting body is arranged at the opening at the tail end of the valve cover, an elastic part is arranged between one end of the valve seat supporting body and the valve cover, and the other.

This ball valve increases the disk seat supporter to the elastic component exerts pressure the disk seat supporter, and then exerts pressure the disk seat, thereby makes disk seat and spheroid hug closely, improves sealing performance, and the position of accessible adjustment valve gap further exerts pressure the elastic component, thereby improves disk seat and spheroidal laminating compactness, extension disk seat operating time.

Furthermore, the valve seat support body is a ring body, the valve seat is pressed comprehensively, and the sealing performance is better.

Further, the valve seat support body is the ring body that the outer wall is the second grade notch cuttype, and the ladder height is arranged from low to high in proper order to first ladder, second ladder, and the valve gap intracavity is stretched into to first ladder, establishes the elastic component between second ladder head portion and the valve gap end opening part chamber wall, and the rear end opening part perisporium fluting, and the groove is arranged in to the valve seat.

The valve seat support body is a step-shaped ring body, the elastic part is convenient to install, the first step extends into the valve cover cavity, the tail end is provided with the groove for installing the valve seat, and the valve seat support is reasonable in layout and good in stability.

Further, the inner cavity wall of the end opening of the valve cover is of a two-stage stepped shape, one end of the elastic piece is abutted to the end of the high-level step section of the inner cavity wall of the valve cover, the other end of the elastic piece is abutted to the end of the second step of the valve seat supporting body, an O-shaped ring is arranged on the outer wall of the first step of the valve seat supporting body, the valve cover is matched with the stepped surface of the valve seat supporting body so that the elastic piece can be conveniently installed, and the O-shaped ring arranged between the first step.

Further, the radial epitaxial shaping in valve gap outer wall middle part has first neck, and the same radial inward extension shaping in intracavity middle part has the second neck, and the valve gap after the first neck stretches into valve body runner internal thread connection, and the cover has O type circle on this part valve gap to it is spacing to first neck, avoids valve gap transition extrusion disk seat supporter, and the spacing outer takeover with valve gap connection of second neck avoids outer takeover transition extrusion disk seat supporter equally.

Furthermore, the elastic piece is a spring gasket, so that the cost is low and the installation is convenient.

Furthermore, the bottom end of the ball body and the corresponding valve body are both provided with openings, if a sensor is arranged at the opening of the valve body, the sensing end of the sensor extends into the opening of the ball body so as to sense parameters such as temperature, pressure and the like.

Further, the rotary valve further comprises a bearing, a rotary shaft and a first pressing cap, wherein the bearing is arranged at the opening of the valve body and fixed through the first pressing cap, the rotary shaft penetrates through the bearing, the head end of the rotary shaft extends into the opening of the ball body, a hole is formed in the central line of the rotary shaft, a mounting hole is formed in the first pressing cap, the sensor is fixed at the mounting hole, the sensing end of the sensor extends into the hole of the rotary shaft, the sensor is convenient to mount, and the rotary shaft and the bearing are arranged to help the sensor to rotate synchronously along.

Furthermore, the valve body corresponding to the top end of the ball body is provided with an opening and an executing mechanism, and the executing mechanism is connected with the ball body through a valve rod and is convenient to control.

Further, the valve rod pressing device further comprises a fixing shaft and a second pressing cap, the second pressing cap is fixed at the opening of the valve body, the hollow fixing shaft is located in the opening of the valve body, the fixing shaft is sleeved on the valve rod, the tail end of the fixing shaft abuts against a shaft shoulder on the outer wall of the valve rod, and the pressing cap is sleeved at the end portion of the fixing shaft, the bottom end of the fixing shaft and abuts against the shaft shoulder on the fixing.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

1. this ball valve uses the elastic component cooperation disk seat supporter, helps disk seat and spheroid to hug closely, improves sealing performance.

2. And a mounting hole is reserved, so that a sensor can be conveniently mounted to monitor temperature, pressure and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a cross-sectional structural view provided in an embodiment of the present invention;

wherein the reference numerals are:

1. a valve cover; 2. an O-shaped ring; 3. a valve seat support; 4. a spring washer; 5. an O-shaped ring; 6. a valve seat; 7. a sphere; 8. a valve body; 9. a valve stem; 10. a thrust washer; 11. an O-shaped ring; 12. sealing gaskets; 13. a fixed shaft; 14. a bearing; 15. a second press cap; 16. a first press cap; 17. an O-shaped ring; 18. a bearing; 19. a rotating shaft; 20. an actuator; 21. and (7) installing holes.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

Please refer to fig. 1, the utility model provides a novel ball valve, including valve body 8, establish spheroid 7 and matched with disk seat 6 in the valve body runner, still include both ends open-ended valve gap 1 and valve seat supporter 3, the valve gap is fixed at valve body runner both ends opening part, threaded connection who adopts in this embodiment, opens the external screw thread on valve gap tip outer wall, and the internal thread is opened to valve body runner opening chamber wall, and valve gap end opening part installation valve seat supporter establishes the elastic component between valve seat supporter head end and the valve gap, and valve seat supporter tail end butt disk seat.

Particularly, in this embodiment, the valve seat support body is the ring body, preferably adopts the outer wall to be the ring body of second grade notch cuttype, and the ladder height is arranged from low to high in proper order to first ladder, second ladder, and the valve gap intracavity is stretched into to first ladder, establishes the elastic component between the first tip of second ladder and the valve gap end opening part chamber wall, chooses for use spring shim 4, directly overlaps on first ladder, and the second ladder end opening part perisporium fluting, and the valve seat is arranged in the groove.

In further improvement, the inner cavity wall of the opening at the tail end of the valve cover is of a two-stage ladder type, as shown in fig. 1, one end face of the spring gasket is abutted to the end part of the high-level ladder section of the inner cavity wall of the valve cover, the other end face of the spring gasket is abutted to the end part of the second ladder of the valve seat supporting body, the stability is good, and other fixing mechanisms are not needed. In addition, in order to improve the sealing property, the O-shaped ring 2 is sleeved on the outer wall of the first step of the valve seat supporting body, the O-shaped ring is used for filling the gap between the peripheral wall of the valve seat supporting body and the wall of the valve cover cavity, and the sealing property is good.

In further improvement, the radial epitaxial shaping in valve gap outer wall middle part has first neck, and the same radial inward extension shaping in intracavity middle part has the second neck, and the valve gap tip behind the first neck stretches into valve body runner female connection, and the cover has O type circle 5 on the valve gap of neighbouring first neck, during the installation, twists the valve gap to first neck butt valve body to it is spacing to first neck, avoids valve gap transition extrusion valve seat supporter, and O type circle improves the leakproofness. The second neck is used for spacing outer pipe of being connected with the valve gap, avoids outer pipe to stretch into the valve gap chamber way too and stretches so that the transition extrusion disk seat supporter equally, can cause the spheroid to rotate the flexibility poor on the one hand, and on the other hand lies in, and the transition extrusion can lead to pressure between spheroid and the disk seat to increase, and wearing and tearing accelerate.

In this embodiment, in order to facilitate monitoring of parameters such as temperature or pressure of the fluid in the valve body, referring to fig. 1, the bottom end of the ball and the corresponding valve body are opened, for example, a sensor is installed at the opening of the valve body, and the sensing end of the sensor extends into the opening of the ball to sense the parameters such as temperature and pressure.

In further improvement, still include the bearing, the pivot 19, first pressure cap 16, the bearing is settled to the global fluting of valve body opening part, and fixed through first pressure cap, first pressure cap adopts threaded connection's mode with the valve body, the pivot is passed and the head end stretches into from the spheroid opening part from bearing 18, it has the pore to open along the pivot central line, first pressure cap upper end portion is opened has mounting hole 21, the sensor is fixed in mounting hole department and the response end stretches into in the pivot pore, the setting of pivot and bearing still helps the sensor to rotate along with the spheroid is synchronous.

In a further improvement, an O-shaped ring 17 is preferably arranged on the outer peripheral wall of the rotating shaft in a groove mode, so that a gap between the outer wall of the rotating shaft and the cavity wall of the opening of the valve body is filled with the O-shaped ring, and the sealing performance is improved.

In this embodiment, the ball is driven by the actuator 20, specifically, the actuator is installed at the opening of the valve body corresponding to the top end of the ball, the output end of the actuator is connected with the ball through the valve rod 9, and the ball further comprises a fixing shaft 13 and a second pressing cap 15, the second pressing cap is fixed at the opening of the valve body corresponding to the top end of the ball, the hollow fixing shaft is located in the opening of the valve body, in this embodiment, the fixing shaft is preferably stepped, the corresponding opening of the valve body is also stepped, and a sealing gasket 12 is arranged between the two stepped end portions to improve the sealing performance; the fixed shaft is sleeved on the valve rod, the tail end of the fixed shaft abuts against a shaft shoulder of the outer wall of the valve rod, a thrust gasket 10 is preferably installed at the joint of the fixed shaft and the valve rod, the second pressure cap is sleeved at the end part and the bottom end of the fixed shaft and abuts against the shaft shoulder of the fixed shaft, the head end of the valve rod is connected with the output end of the executing mechanism, a hollow cavity channel of the tail end rotating shaft penetrates through the hollow cavity channel and is connected with an inner ball body of the valve body, for improving stability, a bearing 14 is preferably installed between the head end of the valve rod and the rotating shaft, in addition, for improving sealing performance.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Novel ball valve, including the valve body, establish spheroid and matched with disk seat in the valve body runner, its characterized in that: the valve seat support body is arranged at the opening at the tail end of the valve cover, an elastic piece is arranged between one end of the valve seat support body and the valve cover, and the opposite end of the elastic piece is abutted to the valve seat.

2. The new ball valve as claimed in claim 1, wherein: the valve seat support body is a ring body.

3. The new ball valve as set forth in claim 2, wherein: the disk seat supporter is the ring body that the outer wall is the second grade notch cuttype, and the ladder height is arranged from low to high in proper order to first ladder, second ladder, and the valve gap intracavity is stretched into to first ladder, establishes the elastic component between the first tip of second ladder and the valve gap end opening part chamber wall, and the rear end opening part perisporium fluting, and the disk seat is arranged in the groove.

4. The new ball valve as set forth in claim 3, wherein: the inner cavity wall of the opening at the tail end of the valve cover is of a two-stage step type, one end of the elastic piece is abutted against the end part of the high-level step section of the inner cavity wall of the valve cover, the other end of the elastic piece is abutted against the end part of the second step of the valve seat supporting body, and an O-shaped ring is arranged on the outer wall of the first step of the valve seat supporting body.

5. The new ball valve as claimed in claim 1, wherein: the valve cover is characterized in that a first neck is formed in the middle of the outer wall of the valve cover in a radial extending mode, a second neck is formed in the middle of the cavity in a radial inward extending mode, the valve cover behind the first neck extends into a valve body flow channel and is connected with the valve body flow channel in an internal thread mode, and an O-shaped ring is sleeved on the valve cover.

6. The new ball valve as claimed in claim 1, wherein: the elastic piece is a spring gasket.

7. The new ball valve as claimed in claim 1, wherein: the bottom of the ball body and the corresponding valve body are both opened.

8. The new ball valve as claimed in claim 7, wherein: the valve body opening is provided with a bearing and is fixed through the first pressing cap, the rotating shaft penetrates through the bearing, the head end of the rotating shaft extends into the opening of the ball body from the opening of the ball body, a pore channel is formed along the central line of the rotating shaft, and the first pressing cap is provided with a mounting hole.

9. The new ball valve as claimed in claim 8, wherein: the valve body corresponding to the top end of the ball body is provided with an opening and an actuating mechanism, and the actuating mechanism is connected with the ball body through a valve rod.

10. The novel ball valve of claim 9, further comprising a stationary shaft, a second press cap fixed at the opening of the valve body, the hollow stationary shaft being located in the opening of the valve body, the stationary shaft being fitted over the valve stem with the rear end abutting against the shoulder on the outer wall of the valve stem, the press cap being fitted over the end of the stationary shaft with the bottom end abutting against the shoulder on the stationary shaft.