CN212251592U

CN212251592U - Flange connection sealing structure of ball valve

Info

Publication number: CN212251592U
Application number: CN202020739234.9U
Authority: CN
Inventors: 陈双河; 李艳征
Original assignee: Changzhou Xinruisi Energy Equipment Co ltd
Current assignee: Changzhou Xinruisi Energy Equipment Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-29
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a flange connection sealing structure of a ball valve, which comprises a ball valve, wherein two ends of the ball valve, which are far away from each other, are connected with a connecting structure, one side of the connecting structure, which is far away from the ball valve, is provided with a connecting structure, the utility model can effectively increase the sealing property of the connection between the ball valve and a pipeline by the splicing form to further assist an arc-shaped splint and a threaded ring, effectively avoid some problems caused by water leakage, can prevent external water from entering an annular slot by the clamping of the arc-shaped splint and the fixing of the threaded ring, and further improve the sealing property on the basis of the arc-shaped splint and the threaded ring by fixedly connecting rubber layers on the inner ring slot wall and the inner slot wall of a through slot, and the established limiting column can enable the arc-shaped splint to run more smoothly, and can limit a certain position of a rear vertical ring by the connection of the arc-shaped splint, the connection with the threaded ring is prevented from being loosened due to the rotation of the rear vertical ring.

Description

Flange connection sealing structure of ball valve

Technical Field

The utility model relates to a seal structure, in particular to flange joint seal structure of ball valve belongs to ball valve connection technical field.

Background

The ball valve makes one of present pipeline control assembly, and the circulation and the flow through the control pipeline that the ball valve can be fine all are connected the ball valve and control on a lot of water pipes, and ball valve self is handled also more conveniently.

The existing ball valves are connected with pipelines through flanges and fixing screws, and although the connection is convenient in this way, the problem of water leakage exists, which is a common fault of the existing ball valves, the water leakage can directly cause resource waste, and in some equipment, the water leakage can cause some significant problems.

Disclosure of Invention

The utility model provides a flange joint seal structure of ball valve, through linking up structure and clamping structure etc. can all be connected through flange and fixed screw and pipeline by effectual present ball valve of solution, though this kind of mode is connected more conveniently, but has the problem of leaking, and this is the common fault of present ball valve, leaks and can directly lead to the resource to be wasted, and on some equipment, leaks and can cause some great technical problems.

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

the utility model provides a flange joint seal structure of ball valve, includes the ball valve, the both ends that the ball valve kept away from each other all are connected with linking structure, the one side that the ball valve was kept away from to linking structure is equipped with connection structure, it is connected with clamping structure to link up structurally, clamping structure is located the one end that links up the structure and is connected with arc splint, link up the structural back of being equipped with and found the ring, the annular spout has been seted up on the ball valve, the last screw ring that is connected with of connection structure.

As a preferred technical scheme of the utility model, the ball valve includes the valve body, the intermediate junction of valve body top lateral wall has the control lever, the both ends that the valve body was kept away from each other are all rotated and are connected with linking structure, the annular spout is seted up on the position of valve body with linking structural connection, equal fixedly connected with snap ring in the middle of the relative both sides cell wall of annular spout.

As a preferred technical scheme, it includes the flange ring to link up the structure, back founds ring fixed connection and is close to one side of valve body at the flange ring, the flange ring is kept away from one side lateral wall of valve body and is close to the position at border and seted up annular slot, logical groove has been seted up to the centre of flange ring, it communicates with each other with the valve body is inside to lead to the groove, the upper and lower both sides lateral wall at the flange ring is connected to centre gripping structure, the one end that annular slot outer loop cell wall is close to the valve body is equipped with the internal thread, equal fixedly connected with rubber layer on annular slot inner ring cell wall and the logical inslot.

As a preferred technical scheme of the utility model, the interior round lateral wall fixedly connected with loose ring of back founding ring, annular spacing groove has all been seted up, two in the middle of the both sides lateral wall that the loose ring kept away from each other the snap ring joint is inside two annular spacing inslots respectively, the interior round lateral wall of loose ring rotates and is connected with a plurality of balls, and is a plurality of the ball contacts with annular spout tank bottom.

As a preferred technical scheme of the utility model, clamping structure includes the screw thread post, screw thread post threaded connection is on the lateral wall of flange ring, the one end that the screw thread post is located annular slot rotates and is connected with arc splint, the four corners department of arc splint all runs through and sliding connection has spacing post, the one end fixed connection of spacing post is on annular slot's outer loop cell wall.

As an optimal technical scheme of the utility model, connection structure includes the adapter tube, the fixed butt joint ring that has cup jointed on the outer pipe wall of adapter tube, set up annular groove on the excircle lateral wall of butt joint ring, the butt joint ring is close to one side fixedly connected with threaded ring of ball valve.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a form through pegging graft assists arc splint and screw ring again, can effectual increase ball valve and pipe connection's leakproofness, effectual avoiding because of some problems that leak and cause, centre gripping through arc splint and screw ring's fixed, can prevent that external water from getting into in the annular slot, equal fixedly connected with rubber layer on annular slot inner ring cell wall and logical inslot cell wall, can be at the enterprising further improvement sealing performance of arc splint and screw ring basis, the spacing post of establishhing can make more smooth and easy of arc splint operation, can carry out certain spacing to the back ring through being connected of arc splint and annular groove, avoid standing the ring rotation and loosening the being connected with the screw ring because of the back.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the connection between the connection structure and the valve body;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic view of the connection structure and the connection structure of the present invention.

In the figure: 1. a ball valve; 11. a control lever; 12. a valve body; 121. an annular chute; 122. a snap ring; 2. a linking structure; 21. a flange ring; 22. an annular slot; 23. a through groove; 24. a rear vertical ring; 241. a movable ring; 242. an annular limiting groove; 243. a ball bearing; 3. a clamping structure; 31. a threaded post; 32. an arc-shaped splint; 33. a limiting column; 4. a connecting structure; 41. a docking ring; 42. a threaded ring; 43. an annular groove; 44. and (4) a joint pipe.

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 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.

Example (b): as shown in fig. 1-4, a flange joint seal structure of ball valve, including ball valve 1, the both ends that ball valve 1 kept away from each other all are connected with linking structure 2, the one side that ball valve 1 was kept away from to linking structure 2 is equipped with connection structure 4, be connected with clamping structure 3 on linking structure 2, clamping structure 3 is located the one end that links up structure 2 and is connected with arc splint 32, link up and be equipped with back vertical ring 24 on the structure 2, annular spout 121 has been seted up on ball valve 1, be connected with threaded ring 42 on connection structure 4, supplementary arc splint 32 and threaded ring 42 again through the form of pegging graft, can effectual increase ball valve 1 and pipe connection's leakproofness.

The connecting structure 2 comprises a flange ring 21, a rear vertical ring 24 is fixedly connected to one side of the flange ring 21 close to the valve body 12, an annular slot 22 is formed in the side wall of one side of the flange ring 21 far away from the valve body 12 and close to the edge, a through groove 23 is formed in the middle of the flange ring 21, the through groove 23 is communicated with the interior of the valve body 12, the clamping structure 3 is connected to the side walls of the upper side and the lower side of the flange ring 21, an internal thread is formed in one end, close to the valve body 12, of the outer ring groove wall of the annular slot 22, rubber layers are fixedly connected to the inner ring groove wall of the annular slot 22 and the inner groove wall of the through groove 23, the connecting structure 4 comprises a joint pipe 44, a butt-joint ring 41 is fixedly connected to the outer pipe wall of the joint pipe 44, an annular groove 43 is formed in the outer ring side wall of the butt-joint ring 41, a threaded ring 42 is fixedly connected, the two clamping rings 122 are respectively clamped inside the two annular limiting grooves 242, the inner circular side wall of the movable ring 241 is rotatably connected with a plurality of balls 243, the plurality of balls 243 are in contact with the bottom of the annular sliding groove 121, the rear vertical ring 24 can be limited to a certain extent through the connection between the arc-shaped clamping plate 32 and the annular groove 43, the situation that the rear vertical ring 24 is loosened and connected with the threaded ring 42 due to rotation is avoided, the clamping structure 3 comprises a threaded column 31, the threaded column 31 is in threaded connection with the side wall of the flange ring 21, one end, located in the annular slot 22, of the threaded column 31 is rotatably connected with the arc-shaped clamping plate 32, external water can be prevented from entering the annular slot 22 through the clamping of the arc-shaped clamping plate 32 and the fixing of the threaded ring 42, the limiting columns 33 penetrate through and are slidably connected at four corners of the arc-shaped clamping plate 32, the established limiting columns 33 can enable the arc-shaped clamping plate 32 to, ball valve 1 includes valve body 12, and the intermediate junction of valve body 12 top lateral wall has control lever 11, and the both ends that valve body 12 kept away from each other all rotate and are connected with linking structure 2, and annular chute 121 is seted up on valve body 12 and the position that links up structure 2 and is connected, equal fixedly connected with snap ring 122 in the middle of the relative both sides cell wall of annular chute 121.

Specifically, the adapter tube 44 is inserted into the through groove 23 formed on the flange ring 21, the threaded ring 42 on the adapter tube 44 is inserted into the annular slot 22 formed on the flange ring 21, an internal thread is formed at one end of the outer annular slot wall of the annular slot 22, which is close to the valve body 12, at this time, the flange ring 21 is rotated, the rear vertical ring 24 fixedly connected to one side of the flange ring 21, which is close to the valve body 12, is rotatably connected to the valve body 12, the movable ring 241 fixedly connected to the inner annular side wall of the rear vertical ring 24 is rotatably connected to the annular sliding groove 121 formed on the valve body 12, so that the flange ring 21 is forced to rotate along the annular sliding groove 121, the threaded ring 42 is in threaded connection with the internal thread in the annular slot 22, in order to make the connection between the rear vertical ring 24 and the valve body 12 smoother, the snap rings 122 are fixedly connected to both side slot walls opposite to the annular sliding groove 121, and the snap rings 122 are snapped into the annular limiting grooves 242, the firmness of the connection between the rear vertical ring 24 and the valve body 12 can be ensured through the connection between the snap ring 122 and the annular limiting groove 242, and the normal rotation of the rear vertical ring 24 cannot be influenced, the plurality of balls 243 are rotatably connected to the inner circular side wall of the movable ring 241, the balls 243 are always in contact with the groove bottom of the annular sliding groove 121, the balls 243 are arranged to assist the rotation of the rear vertical ring 24, so that the rear vertical ring 24 can rotate more smoothly, after the butt-joint ring 41 is connected with the flange ring 21 through the threaded ring 42 and the internal thread, the threaded columns 31 which are in threaded connection with the upper side wall and the lower side wall of the flange ring 21 are rotated, one end of each threaded column 31 which is positioned in the annular slot 22 is rotatably connected with the arc-shaped clamp plate 32, the arc-shaped clamp plate 32 can be pushed to be clamped in the annular groove 43 which is formed in the outer annular wall of the butt-joint ring 41 through the rotation of the arc-shaped, the connector tube 44 can be pegged graft into logical groove 23 in, and closely laminate with the opening of valve body 12, supplementary arc splint 32 and screw ring 42 again through the form of pegging graft, can effectual increase ball valve 1 and pipe connection's leakproofness, effectually avoid because of leaking some problems that cause, centre gripping and screw ring 42 through arc splint 32 are fixed, can prevent that external water from getting into in annular slot 22, equal fixedly connected with rubber layer on annular slot 22 inner ring cell wall and logical inslot 23 inner ring cell wall, can be on arc splint 32 and screw ring 42 basis further improvement sealing performance, the spacing post 33 of establishhing can make more smooth and easy of arc splint 32 operation, can carry out certain spacing to the back ring 24 through being connected of arc splint 32 and annular groove 43, avoid loosening the connection with screw ring 42 because of the back ring 24 is rotatory.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange joint seal structure of ball valve, a serial communication port, including ball valve (1), ball valve (1) both ends of keeping away from each other all are connected with linking structure (2), the one side of ball valve (1) is kept away from in linking structure (2) is equipped with connection structure (4), be connected with clamping structure (3) on linking structure (2), clamping structure (3) are located the one end that links up structure (2) and are connected with arc splint (32), it founds ring (24) to be equipped with the back on linking structure (2), annular spout (121) have been seted up on ball valve (1), be connected with threaded ring (42) on connection structure (4).

2. The flange connection sealing structure of a ball valve according to claim 1, wherein the ball valve (1) comprises a valve body (12), a control rod (11) is connected to the middle of the side wall of the top of the valve body (12), two ends of the valve body (12) far away from each other are rotatably connected with a linking structure (2), the annular sliding groove (121) is arranged at the position where the valve body (12) is connected with the linking structure (2), and the middle of the groove wall of each of two opposite sides of the annular sliding groove (121) is fixedly connected with a snap ring (122).

3. The flange connection sealing structure of a ball valve according to claim 2, wherein the engagement structure (2) comprises a flange ring (21), the rear vertical ring (24) is fixedly connected to one side of the flange ring (21) close to the valve body (12), an annular slot (22) is formed in a position of the flange ring (21) far away from the side wall of one side of the valve body (12) and close to the edge, a through groove (23) is formed in the middle of the flange ring (21), the through groove (23) is communicated with the inside of the valve body (12), the clamping structure (3) is connected to side walls of the upper side and the lower side of the flange ring (21), one end, close to the valve body (12), of the outer ring slot wall of the annular slot (22) is provided with an internal thread, and rubber layers are fixedly connected to the inner ring slot wall of the annular slot (22) and the inner slot wall of.

4. The flange connection sealing structure of a ball valve according to claim 3, characterized in that a movable ring (241) is fixedly connected to the inner circular side wall of the rear vertical ring (24), an annular limiting groove (242) is formed in the middle of each of the two side walls of the movable ring (241) away from each other, the two snap rings (122) are respectively clamped inside the two annular limiting grooves (242), the inner circular side wall of the movable ring (241) is rotatably connected with a plurality of balls (243), and the plurality of balls (243) are in contact with the groove bottom of the annular sliding groove (121).

5. The flange connection sealing structure of a ball valve according to claim 4, wherein the clamping structure (3) comprises a threaded column (31), the threaded column (31) is in threaded connection with the side wall of the flange ring (21), one end of the threaded column (31) located in the annular slot (22) is rotatably connected with an arc-shaped clamping plate (32), the four corners of the arc-shaped clamping plate (32) are respectively penetrated and slidably connected with a limiting column (33), and one end of the limiting column (33) is fixedly connected with the outer annular slot wall of the annular slot (22).

6. The flange connection sealing structure of a ball valve according to claim 5, wherein the connecting structure (4) comprises a joint pipe (44), an abutting ring (41) is fixedly connected to the outer pipe wall of the joint pipe (44), an annular groove (43) is formed in the outer circular side wall of the abutting ring (41), and a threaded ring (42) is fixedly connected to one side of the abutting ring (41) close to the ball valve (1).