CN212718125U

CN212718125U - Electric ball valve

Info

Publication number: CN212718125U
Application number: CN202021359343.4U
Authority: CN
Inventors: 张文彬; 林正
Original assignee: Taizhou Sujie Valve Co ltd
Current assignee: Taizhou Sujie Valve Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-16
Anticipated expiration: 2030-07-13

Abstract

The utility model provides an electric ball valve belongs to valve manufacturing technical field. The electric ball valve solves the problems that when the existing electric ball valve is applied and connected to a pipeline, the sealing is not tight, and the leakage is easy to occur. This electric ball valve includes the valve body, and the valve body is connected with the connecting seat that is used for connecting the power spare, is provided with the case in the valve body, wears to be equipped with on the valve body with the rotatory complex valve rod of valve body, and the inner of this valve rod extends to and is connected with the case in the valve body, and the outer end of this valve rod extends to and is used for being connected with the power spare in the connecting seat, all can dismantle sealed the coupling that has linked firmly on two terminal surfaces in opposite directions of valve body, and the outer end of two couplings all is equipped with and extends to connect, the coupling that extends and correspond between be. The utility model has the advantages of reasonable design, simply, the leakproofness is good, is difficult for leaking, and connection structure is stable, and difficult the connection is not hard up, long service life facilitates the use.

Description

Electric ball valve

Technical Field

The utility model belongs to the technical field of the valve is made, a electric ball valve is related to.

Background

The ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a strong shearing force is generated between the V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the surfacing hard alloy, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, and manual ball valves.

The existing ball valve is complex in structure and single in function, when the pipeline is applied and connected, axial connection sealing is not tight easily, leakage is easy to occur, when a valve rod of the ball valve is controlled by a power part, the power part rotates and shakes, the power part is connected and becomes loose, structural connection is not stable enough, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, leakproofness are good, connection structure is stable, long service life's electric ball valve.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an electric ball valve, is including the valve body that is the rectangle form, the valve body on can dismantle and be connected with the connecting seat that is used for connecting the power spare, the valve body in be provided with the case, the valve body on wear to be equipped with the rotatory complex valve rod of valve body, the inner of this valve rod extends to and is connected with the case in the valve body, the outer end of this valve rod extends to and is used for being connected with the power spare in the connecting seat, its characterized in that, two terminal surfaces in opposite directions of valve body on all can dismantle sealed the coupling that has linked firmly, the outer end of two coupling all is equipped with extends and connects, extend and be provided with axial seal butt joint structure between coupling and.

This electric ball valve's valve body is the square structure, can set up the cross, and the coupling can be dismantled sealed linking firmly on the valve body, sets up the extension joint on the coupling, should extend to be provided with the axial seal butt joint structure between joint and the coupling, can make extension joint and coupling sealing connection through the axial seal butt joint structure, and sealed effect is better, difficult leakage, stable in structure, long service life. In practical application, the power part can be a motor.

In an above-mentioned electric ball valve, the axial seal butt-joint structure include the loose joint cover, the extension connect wear to locate in the loose joint cover, should extend and connect and loose joint cover normal running fit, the inner wall of loose joint cover on be provided with the internal thread, the outer wall of coupling on be provided with the external screw thread, the internal thread screwed connection of loose joint cover on the external screw thread of coupling, when loose joint cover and coupling screwed connection, should extend and connect and the coupling axial supports to lean on sealedly. The outer end of the movable joint sleeve is provided with a necking ring, the extension joint is arranged in the necking ring of the movable joint sleeve in a penetrating way, and the necking ring and the extension joint are axially abutted and matched.

In the above-mentioned electric ball valve, the inner end of the extension joint has a tapered portion that gradually reduces from outside to inside, the outer end of the pipe joint has a flared portion that gradually enlarges from inside to outside, when the union sleeve and the pipe joint are screwed, the tapered portion of the extension joint axially penetrates through the flared portion of the pipe joint, and the outer wall of the tapered portion and the inner wall of the flared portion lean against and seal. The necking ring of the union sleeve is axially abutted and matched with the conical part of the extension joint, the inner wall of the necking ring of the union sleeve is provided with an abutting inclined surface I, the outer wall of the conical part of the extension joint is provided with an abutting inclined surface II, and the abutting inclined surface I of the necking ring of the union sleeve and the abutting inclined surface II of the conical part of the extension joint are axially abutted and matched.

In the above-mentioned electric ball valve, a sealing member is embedded in the outer wall of the tapered portion of the extension joint, and when the outer wall of the tapered portion and the inner wall of the flared portion are obliquely abutted and sealed, the sealing member of the tapered portion of the extension joint elastically seals and acts on the inner wall of the flared portion. The sealing piece is arranged, so that the sealing performance of inclined abutting of the conical part and the flared part can be ensured, and the sealing effect is better.

In foretell electric ball valve, the connecting seat include the connecting cylinder and with connecting cylinder integrated into one piece's rectangle frame, the link of connecting cylinder annular connecting portion that radially contracts inwards have, annular connecting portion on have circumference interval distribution have and be the connecting hole one of axial setting, the edge of the up end of valve body all have connecting hole two, when the connecting seat assembles in the up end of valve body, this connecting hole one, connecting hole two axial are relative and pass through bolt fixed connection. The connecting seat and the valve body can be assembled and connected in a detachable mode, and are convenient to connect and replace and maintain.

In foretell electric ball valve, the outer terminal surface of annular connecting portion axial blind hole that has circumference interval distribution, axial blind hole in wear to be equipped with the rubber column, when the annular connecting portion of connecting seat and the up end assembly of valve body support and lean on the time, this rubber column elasticity acts on the up end of valve body and is used for elastic buffer to support and supports. The purpose of this is: prevent that power component drive shake from moving in the connecting cylinder, prevent that the screwed connection between connecting seat and the valve body is not hard up, stable in structure, long service life.

In the electric ball valve, the inner end surface of the annular connecting part is circumferentially distributed with radial convex edges at intervals, and the first connecting hole penetrates through the corresponding convex edges. The function of this bead is: when the power piece assembles, support with the power piece axial and lean on, prevent power piece circumferential displacement in the connecting cylinder, stable in structure.

In the electric ball valve, the corners of the rectangular frame are provided with third connecting holes for connecting with a power part. The purpose that sets up like this makes the rectangle frame of connecting seat and when power spare is connected, connects the atress even, and connection structure is stable.

Compared with the prior art, the electric ball valve has the advantages that: the structure design is reasonable and simple, the sealing performance is good, the leakage is not easy, the connection structure is stable, the connection is not easy to loose, the service life is long, and the use is convenient.

Drawings

Fig. 1 is a schematic perspective view of the electric ball valve.

Fig. 2 is a schematic diagram of a top view of the electric ball valve.

Fig. 3 is a schematic sectional view of the electric ball valve.

In the figure, 1, a valve body; 2. a connecting seat; 3. a valve core; 4. a valve stem; 5. a pipe joint; 6. an extension joint; 7. a movable connecting sleeve; 8. a tapered portion; 9. a flared part; 10. a seal member; 11. a connecting cylinder; 12. a rectangular frame; 13. an annular connecting portion; 14. a first connecting hole; 15. a rubber column; 16. a rib; 17. and connecting the third hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As figure 1, figure 2 and figure 3 show, this electric ball valve mainly comprises valve body 1, valve body 1 is the rectangle form, can dismantle on this valve body 1 and be connected with connecting seat 2 that is used for connecting the power spare, be provided with case 3 in the valve body 1, wear to be equipped with on the valve body 1 with 1 normal running fit's of valve body valve rod 4, the inner of this valve rod 4 extends to and is connected with case 3 in the valve body 1, the outer end of this valve rod 4 extends to and is used for being connected with the power spare in the connecting seat 2, all can dismantle sealed coupling 5 that links firmly on two terminal surfaces in opposite directions of valve body 1, the outer end of two coupling 5 all is equipped with extension joint 6, be provided with axial seal butt joint structure between extension joint 6 and the coupling 5.

In actual manufacturing, the specific implementation of the axial sealing butt joint structure is as follows: the pipe joint mainly comprises a loose joint sleeve 7, an extension joint 6 is arranged in the loose joint sleeve 7 in a penetrating mode, the extension joint 6 is in rotary fit with the loose joint sleeve 7, internal threads are arranged on the inner wall of the loose joint sleeve 7, external threads are arranged on the outer wall of a pipe joint 5, the internal threads of the loose joint sleeve 7 are in threaded connection with the external threads of the pipe joint 5, and when the loose joint sleeve 7 is in threaded connection with the pipe joint 5, the extension joint 6 and the pipe joint 5 are axially abutted and sealed; specifically speaking: the inner end of the extension joint 6 is provided with a tapered part 8 which is gradually reduced from outside to inside, the outer end of the pipe joint 5 is provided with a flared part 9 which is gradually enlarged from inside to outside, when the movable joint sleeve 7 is in threaded connection with the pipe joint 5, the tapered part 8 of the extension joint 6 axially penetrates through the flared part 9 of the pipe joint 5, and the outer wall of the tapered part 8 and the inner wall of the flared part 9 are obliquely abutted and sealed; the outer wall of the tapered portion 8 of the extension joint 6 is embedded with a sealing member 10, and when the outer wall of the tapered portion 8 and the inner wall of the flared portion 9 are obliquely abutted and sealed, the sealing member 10 of the tapered portion 8 of the extension joint 6 elastically seals against the inner wall of the flared portion 9.

In actual manufacturing, the connecting seat 2 mainly comprises a connecting cylinder 11 and a rectangular frame 12 which is integrally formed with the connecting cylinder 11, the connecting end of the connecting cylinder 11 is provided with an annular connecting part 13 which is radially retracted inwards, the annular connecting part 13 is provided with first connecting holes 14 which are circumferentially distributed at intervals and axially arranged, the corners of the upper end surface of the valve body 1 are provided with second connecting holes, and when the connecting seat 2 is assembled on the upper end surface of the valve body 1, the first connecting holes 14 and the second connecting holes are axially opposite and fixedly connected through bolts; the outer terminal surface of this annular connecting portion 13 has the axial blind hole of circumference interval distribution, and rubber column 15 is worn to be equipped with axially in the axial blind hole, and when annular connecting portion 13 of connecting seat 2 and the up end assembly of valve body 1 leaned on, this rubber column 15 elasticity acts on the up end of valve body 1 and is used for elastic buffer to lean on.

During actual manufacturing, radial ribs 16 are circumferentially distributed on the inner end face of the annular connecting part 13 at intervals, and the first connecting holes 14 penetrate through the corresponding ribs 16; the convex ribs 16 can effectively prevent the power member from rotating and displacing in the circumferential direction in the connecting cylinder 11; the corners of the rectangular frame 12 are provided with connecting holes III 17 for connecting with a power part; the connecting hole III 17 can ensure that the power part and the rectangular frame 12 are connected and connected with uniform stress and stable structure.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an electric ball valve, is including being the valve body (1) of rectangle form, valve body (1) on can dismantle and be connected with connecting seat (2) that are used for connecting power spare, valve body (1) in be provided with case (3), valve body (1) on wear to be equipped with valve body (1) normal running fit's valve rod (4), the inner of this valve rod (4) extends to and is connected with case (3) in valve body (1), the outer end of this valve rod (4) extends to and is used for being connected with power spare in connecting seat (2), its characterized in that, two terminal surfaces in opposite directions of valve body (1) on all can dismantle sealed coupling (5) that has linked firmly, the outer end of two coupling (5) all is equipped with extension joint (6), extension joint (6) and corresponding coupling (5) between be provided with axial seal butt joint structure.

2. An electric ball valve according to claim 1, characterized in that the axial sealing butt structure comprises a movable sleeve (7), the extension joint (6) is arranged in the movable sleeve (7) in a penetrating way, the extension joint (6) is matched with the movable sleeve (7) in a rotating way, the inner wall of the movable sleeve (7) is provided with internal threads, the outer wall of the pipe joint (5) is provided with external threads, the internal threads of the movable sleeve (7) are spirally connected with the external threads of the pipe joint (5), and when the movable sleeve (7) is spirally connected with the pipe joint (5), the extension joint (6) and the pipe joint (5) axially abut against and seal.

3. An electric ball valve according to claim 2, characterized in that the inner end of the extension joint (6) is provided with a tapered portion (8) which is gradually reduced from outside to inside, the outer end of the pipe joint (5) is provided with a flared portion (9) which is gradually enlarged from inside to outside, when the union sleeve (7) and the pipe joint (5) are screwed together, the tapered portion (8) of the extension joint (6) axially penetrates the flared portion (9) of the pipe joint (5), and the outer wall of the tapered portion (8) and the inner wall of the flared portion (9) are obliquely abutted and sealed.

4. A motorized ball valve according to claim 3, characterized in that the outer wall of the conical portion (8) of the extension joint (6) is embedded with a sealing member (10), and when the outer wall of the conical portion (8) and the inner wall of the flared portion (9) are obliquely abutted against and sealed, the sealing member (10) of the conical portion (8) of the extension joint (6) elastically seals against the inner wall of the flared portion (9).

5. The electric ball valve according to claim 4, wherein the connecting seat (2) comprises a connecting cylinder (11) and a rectangular frame (12) integrally formed with the connecting cylinder (11), the connecting end of the connecting cylinder (11) is provided with a radially inwardly-contracted annular connecting part (13), the annular connecting part (13) is provided with a first connecting hole (14) axially arranged at intervals in the circumferential direction, the corners of the upper end surface of the valve body (1) are provided with a second connecting hole, and when the connecting seat (2) is assembled on the upper end surface of the valve body (1), the first connecting hole (14) and the second connecting hole are axially opposite and fixedly connected through a bolt.

6. An electric ball valve according to claim 5, characterized in that the outer end face of the annular connecting part (13) is provided with axial blind holes distributed at intervals in the circumferential direction, rubber columns (15) are axially arranged in the axial blind holes in a penetrating manner, and when the annular connecting part (13) of the connecting seat (2) and the upper end face of the valve body (1) are assembled and abutted, the rubber columns (15) elastically act on the upper end face of the valve body (1) for elastic buffer abutment.

7. An electric ball valve according to claim 6, characterized in that the inner end surface of the annular connecting part (13) is circumferentially provided with radial ribs (16) at intervals, and the first connecting holes (14) penetrate through the corresponding ribs (16).

8. An electric ball valve according to claim 7, characterized in that the corners of the rectangular frame (12) are provided with a third connecting hole (17) for connecting with a power member.