CN213145432U

CN213145432U - All-welded ball valve

Info

Publication number: CN213145432U
Application number: CN202021581504.4U
Authority: CN
Inventors: 黄立杰
Original assignee: Tianjin Liangtai Valve Co ltd
Current assignee: Tianjin Liangtai Valve Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-07
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses an all-welded formula ball valve, which comprises a valve body, the inside of valve body is provided with the case, the bottom fixedly connected with thimble of case, the left and right sides of case all is provided with the sealing washer, the top swing joint of case has the valve gap, the top fixedly connected with valve rod of case, the both sides of valve gap all are provided with the reserve case, the reserve valve rod of top fixedly connected with of reserve case, the top of valve rod and the top of valve body all set up threaded hole, the top that the case was kept away from to the valve rod has the handle through screw swing joint, fixedly connected with bracing piece between handle and the valve rod, the hole has been seted up to the bottom of valve rod and has been placed, the inside of placing the hole and the equal swing joint in both. The utility model discloses, the device simple structure can accomplish the work of control duct break-make well, reduces the influence that brings when the maintenance or change the valve core simultaneously, also conveniently improves conveying efficiency.

Description

All-welded ball valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to an all-welded formula ball valve.

Background

With the continuous development of transportation, the original ships and trains are developed to the present aviation, pipelines and the like, the cost of pipeline transportation is relatively low and common, the valve is an important component of pipeline transportation, and the all-welded ball valve in the existing valve is more applied to pipeline transportation.

The all-welded ball valve in the prior art has some deficiencies, and the efficiency of pipeline transportation is influenced, for example, when the ball valve needs to be maintained or a valve core needs to be replaced, the whole section of pipeline needs to be fully closed, so that the influenced range is wide, and the efficiency of pipeline transportation is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an all-welded ball valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an all-welded ball valve, includes the valve body, the inside of valve body is provided with the case, the bottom fixedly connected with thimble of case, the left and right sides of case all is provided with the sealing washer, the top swing joint of case has the valve gap, the top fixedly connected with valve rod of case, the both sides of valve gap all are provided with reserve case, the top fixedly connected with reserve valve rod of reserve case.

As a further description of the above technical solution:

threaded holes are formed in the top of the valve rod and the top of the valve body, the top, away from the valve core, of the valve rod is movably connected with a handle through a screw, a supporting rod is fixedly connected between the handle and the valve rod, and a placing hole is formed in the bottom of the valve rod.

As a further description of the above technical solution:

the valve body is characterized in that the left end and the right end of the valve body are fixedly connected with connecting flanges, through holes are formed in the surfaces of the connecting flanges, bolts are arranged on one sides of the through holes, and gaskets are arranged between the connecting flanges and the bolts.

As a further description of the above technical solution:

the valve comprises a valve body and is characterized in that an inner flow channel is arranged inside the valve body, one end of the inner flow channel is fixedly connected with a sealing ring at a position close to the side wall of the valve core, and the sealing ring is made of rubber.

As a further description of the above technical solution:

the inside of placing the hole and be close to the equal swing joint in valve rod both sides and have the stopper, fixedly connected with reset spring between the stopper.

As a further description of the above technical solution:

a limiting groove is formed in the valve cover, and corresponds to the limiting block in position.

As a further description of the above technical solution:

the top and the bottom of the spare valve core are movably connected with the side wall of the valve body, and the spare valve core is circular.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this all-welded formula ball valve is connected the valve body with the pipeline through flange, fixes through the bolt, when needs maintenance or change case, will rotate reserve case to the closed condition through rotating reserve valve rod, lift off the screw after that and pull down the handle, just can take out the valve gap apart afterwards, can take out the case and change or maintain, whole operation need not seal whole pipeline, greatly reduced influence range, messenger's conveying efficiency obtains improving.

2. Compared with the prior art, this all-welded ball valve sets up the stopper in the bottom of valve rod, has effectually prevented to have appeared rotating the condition that the dislocation made the ball valve take place to leak when turning handle, improves the security of all-welded ball valve work, and the effectual stress action that reduces liquid to the case simultaneously prolongs device's life.

Drawings

Fig. 1 is an elevation view of an internal structure of an all-welded ball valve according to the present invention;

fig. 2 is a top view of an external structure of an all-welded ball valve according to the present invention;

fig. 3 is the utility model provides an all-welded ball valve's exterior structure left side view.

Illustration of the drawings:

1. a valve body; 2. a valve core; 3. a thimble; 4. a handle; 5. a support bar; 6. a screw; 7. a valve stem; 8. a seal ring; 9. a limiting groove; 10. a limiting block; 11. a connecting flange; 12. a return spring; 13. a bolt; 14. a through hole; 15. a spare valve core; 16. a gasket; 17. a spare valve stem; 18. an internal flow channel; 19. a valve cover; 20. a threaded hole; 21. placing the holes.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of all-welded ball valve: the valve comprises a valve body 1, a valve core 2 is arranged in the valve body 1 and plays a role of controlling the on-off of a pipeline, a thimble 3 is fixedly connected to the bottom of the valve core 2 and plays a role of ensuring the valve core 2 to be rotatably connected with the valve body 1, sealing rings 8 are arranged on the left side and the right side of the valve core 2 and play a role of sealing and preventing leakage, a valve cover 19 is movably connected to the top of the valve core 2 and plays a role of sealing the valve body 1 and facilitating the overhaul and replacement of the valve core 2, a valve rod 7 is fixedly connected to the top of the valve core 2 and plays a role of facilitating the rotation of the valve core 2 and controlling the on-off of the pipeline, spare valve cores 15 are arranged on two sides of the valve cover 19 and play a role of ensuring the closed state in the valve body 1 in the process of overhauling or replacing the valve core 2, a spare valve rod 17 is, play the effect of convenient fixed with the location, valve rod 7 is kept away from the top of case 2 and is passed through 6 swing joint of screw and have the handle, plays the effect that conveniently rotates case 2, and fixedly connected with bracing piece 5 plays the effect of fixed stay handle 4 between handle 4 and the valve rod 7, and the bottom of valve rod 7 has been seted up and has been placed hole 21, plays the effect of placing the part.

The left end and the right end of the valve body 1 are fixedly connected with connecting flanges 11 which have the functions of being conveniently connected with a pipeline and being positioned, through holes 14 are formed in the surfaces of the connecting flanges 11 and have the functions of being conveniently fixed with the pipeline, bolts 13 are arranged on one sides of the through holes 14 and have the functions of being fixed and positioned with the pipeline, gaskets 16 are arranged between the connecting flanges 11 and the bolts 13 and have the functions of placing the bolts to be loosened during fixing so as to cause pipeline leakage, an inner flow channel 18 is arranged inside the valve body 1 and has the function of enabling liquid to pass through the valve body 1, one end of the inner flow channel 18, which is close to the side wall of the valve core, is fixedly connected with a sealing ring 8 and has the functions of fixing and positioning the sealing ring 8, the sealing ring 8 is made of rubber material and has the function of enabling the sealing ring 8 to have better sealing performance, and limiting blocks 10 are arranged inside the placing, play the effect of injecing 7 turned position of valve rod, fixedly connected with reset spring 12 between stopper 10, play the effect that makes the stopper reset, spacing groove 9 has been seted up to valve gap 19's inside, play the effect that injecing 2 turned position of case and preventing the dislocation and rotate case 2, spacing groove 9 is corresponding with stopper 10's position, it carries out the complex effect to play convenient spacing groove 9 and stopper 10, reserve case 15's top and bottom all with the lateral wall swing joint of valve body 1, play the effect of conveniently rotating reserve case 15, reserve case 15's shape is circular, play better to seal the effect that conveniently maintains or change case 2 to valve body 1.

The working principle is as follows: during the use, be connected valve body and pipeline through flange 11, fix through bolt 13, when needs maintenance or change case 2, will rotate reserve case 15 to the closed condition through rotating reserve valve rod 17, lift screw 6 off after that and pull down handle 4, just can take out valve gap 19 apart afterwards, can take out case 2 and change or maintain, whole operation need not seal whole pipeline, greatly reduced influence range, messenger's conveying efficiency obtains improving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments.

Claims

1. The utility model provides an all-welded formula ball valve, includes valve body (1), its characterized in that: the improved valve is characterized in that a valve core (2) is arranged inside the valve body (1), a thimble (3) is fixedly connected to the bottom of the valve core (2), sealing rings (8) are arranged on the left side and the right side of the valve core (2), a valve cover (19) is movably connected to the top of the valve core (2), a valve rod (7) is fixedly connected to the top of the valve core (2), a standby valve core (15) is arranged on each of the two sides of the valve cover (19), and a standby valve rod (17) is fixedly connected to the top of the standby valve core (15).

2. An all-welded ball valve according to claim 1, wherein: threaded holes (20) are formed in the top of the valve rod (7) and the top of the valve body (1), the top, far away from the valve core (2), of the valve rod (7) is movably connected with a handle (4) through a screw (6), a supporting rod (5) is fixedly connected between the handle (4) and the valve rod (7), and a placing hole (21) is formed in the bottom of the valve rod (7).

3. An all-welded ball valve according to claim 1, wherein: the valve is characterized in that a connecting flange (11) is fixedly connected to the left end and the right end of the valve body (1), a through hole (14) is formed in the surface of the connecting flange (11), a bolt (13) is arranged on one side of the through hole (14), and a gasket (16) is arranged between the connecting flange (11) and the bolt (13).

4. An all-welded ball valve according to claim 1, wherein: the inner portion of the valve body (1) is provided with an inner flow channel (18), one end of the inner flow channel (18) is fixedly connected with a sealing ring (8) at a position close to the side wall of the valve core (2), and the sealing ring (8) is made of rubber.

5. An all-welded ball valve according to claim 2, wherein: the novel valve is characterized in that limiting blocks (10) are movably connected to the inner portion of the placing hole (21) and the two sides of the placing hole, which are close to the valve rod (7), and return springs (12) are fixedly connected between the limiting blocks (10).

6. An all-welded ball valve according to claim 2, wherein: the valve cover (19) is internally provided with a limiting groove (9), and the limiting groove (9) corresponds to the limiting block (10).

7. An all-welded ball valve according to claim 1, wherein: the top and the bottom of the spare valve core (15) are movably connected with the side wall of the valve body (1), and the spare valve core (15) is circular.