CN219317666U

CN219317666U - Plug valve with adjustable valve plug pore canal

Info

Publication number: CN219317666U
Application number: CN202223326455.1U
Authority: CN
Inventors: 田洪卫; 李守云; 李晓明
Original assignee: Fluoroseal Specialty Valves Suzhou Co ltd
Current assignee: Fluoroseal Specialty Valves Suzhou Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-07
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a plug valve with an adjustable valve plug pore canal, which comprises a main valve body and a pore canal regulating mechanism; the outer arc surface symmetry of main valve body is provided with the communicating pipe, and the one end that the communicating pipe kept away from main valve body center all is provided with flange dish, and the inside of main valve body is connected with the case through the bearing rotation, and through hole one has been seted up to the inside of case, and the inside upside of main valve body is provided with the bush, and the upper end of main valve body has the apron through bolted connection, and the upper end of case is provided with the connecting rod, and the outer arc surface upside of connecting rod runs through the inside hole of dodging of bush and apron and exposes to the upper end of apron. The utility model can conveniently adjust the maximum flow of the plug valve, and realizes the gradual adjustment of the maximum flow by gradually taking out different annular hole plugs, thereby meeting the requirements of different large-flow use, avoiding the replacement of the plug valve, having lower economic cost and convenient use.

Description

Plug valve with adjustable valve plug pore canal

Technical Field

The utility model relates to the technical field of plug valves, in particular to a plug valve with an adjustable plug hole channel.

Background

The plug valve is a valve which is a closing member or a plunger-shaped rotary valve and is opened or closed by rotating 90 degrees to enable a passage opening on the valve plug to be communicated with or separated from a passage opening on the valve body. Its valve plug may be cylindrical or conical in shape. In a cylindrical valve plug, the passageway is generally rectangular; whereas in a conical valve plug the channel is trapezoidal. These shapes make the structure of the plug valve light and suitable for use as a cut-off and cut-on medium and shunt, but can also be used for throttling depending on the nature of the application and erosion resistance of the sealing surfaces.

The diameter of the pore canal of the conventional straight-through plug valve is fixed, and the pore canal is straight or partially communicated through different rotation angles to realize opening and closing and flow adjustment, but the flow adjustment cannot be satisfied when larger flow is needed, and a new plug valve is required to be replaced, so that the cost is high and the use is inconvenient, and therefore, the plug valve with the adjustable pore canal of the plug is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the plug valve with the adjustable plug hole channel, which can conveniently adjust the maximum flow of the plug valve, and the maximum flow is adjusted step by taking out different annular hole plugs step by step, so that different large-flow uses are met, the plug valve is not required to be replaced, the economic cost is lower, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a plug valve with an adjustable valve plug pore canal comprises a main valve body and a pore canal regulating mechanism;

the outer arc surface of the main valve body is symmetrically provided with a communication pipeline, one end of the communication pipeline, which is far away from the center of the main valve body, is provided with a connecting flange, the inside of the main valve body is rotationally connected with a valve core through a bearing, a first through hole is formed in the inside of the valve core, the upper side of the inside of the main valve body is provided with a bushing, the upper end of the main valve body is connected with a cover plate through a bolt, the upper end of the valve core is provided with a connecting rod, and the upper side of the outer arc surface of the connecting rod penetrates through the bushing and an avoidance hole in the cover plate and is exposed to the upper end of the cover plate;

the pore canal regulating mechanism is arranged in the left communicating pipeline.

The utility model can conveniently adjust the maximum flow of the plug valve, and realizes the gradual adjustment of the maximum flow by gradually taking out different annular hole plugs, thereby meeting the requirements of different large-flow use, avoiding the replacement of the plug valve, having lower economic cost and convenient use.

Further, pore path adjustment mechanism is including blocking ring, annular hole stopper and passing hole two, it sets up in the inside of left communicating pipe to block the ring, and the inside of left communicating pipe is sliding connection respectively has annular hole stopper, and annular hole stopper all is located the left side that blocks the ring, and passing hole two has all been seted up to annular hole stopper's inside, increases in proper order from left to right through hole two, can adjust the maximum flow of this plug valve.

Further, pore path adjustment mechanism still includes external screw thread section of thick bamboo, drum, traveller and fixed ring, external screw thread section of thick bamboo threaded connection is in the left end of left communicating pipe way, and the right-hand member of external screw thread section of thick bamboo evenly is provided with the drum, and the inside of drum is all sliding connection has the traveller, and the right-hand member of traveller all is with the left end fixed connection of fixed ring, and fixed ring and annular hole stopper cooperation installation are convenient for fix annular hole stopper.

Further, the pore canal regulating mechanism further comprises springs, the springs are respectively sleeved on the outer cambered surface of the cylinder, the left ends of the springs are fixedly connected with the right ends of the external thread cylinders, and the right ends of the springs are fixedly connected with the left ends of the fixed circular rings, so that the fixed circular rings can fix annular pore plugs with different numbers.

Further, a first sealing groove is formed in the upper side of the outer cambered surface of the valve core, and the first sealing groove is arranged in the first sealing ring, so that the tightness of the plug valve is improved.

Further, the outer cambered surface of connecting rod is provided with sealing washer two, and sealing groove two has been seted up to the inside of bush, and sealing washer two's inner cambered surface and sealing groove two sliding connection have further increased the seal of this plug valve.

Further, the upper end of connecting rod is provided with the hand wheel, is convenient for rotate the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that: can carry out spacing fixed to the annular hole stopper of different numbers through adjusting fixed ring, can conveniently adjust the maximum flow of this plug valve, through taking out different annular hole stoppers step by step in order to realize the regulation step by step of maximum flow to satisfy different large-traffic uses, need not change the plug valve, economic cost is lower, convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the valve comprises a main valve body 1, a communication pipeline 2, a connecting flange plate 3, a valve core 4, a through hole I, a cover plate 6, a pore channel adjusting mechanism 7, a blocking circular ring 71, an annular pore plug 72, a through hole II, an external thread cylinder 74, a cylinder 75, a sliding column 76, a fixed circular ring 77, a spring 78, a connecting rod 8, a bushing 9, a sealing ring 10I, a sealing ring 11 II and a hand wheel 12.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a plug valve with an adjustable plug duct, which includes a main valve body 1 and a duct adjusting mechanism 7.

Wherein: the outer arc surface symmetry of main valve body 1 is provided with communication pipeline 2, the one end that main valve body 1 center was kept away from to communication pipeline 2 all is provided with flange dish 3, the inside of main valve body 1 is connected with case 4 through the bearing rotation, pass through hole one 5 has been seted up to the inside of case 4, the inside upside of main valve body 1 is provided with bush 9, the upper end of main valve body 1 is connected with apron 6 through the bolt, the upper end of case 4 is provided with connecting rod 8, the outer arc surface upside of connecting rod 8 runs through the dodging hole of bush 9 and apron 6 inside and exposes to the upper end of apron 6, seal groove one has been seted up to the outer arc surface upside of case 4, seal groove one's inside sets up in seal washer one 10, connecting rod 8's outer arc surface is provided with seal washer two 11, seal groove two have been seted up to the inside of bush 9, seal groove two 11's inner arc surface and seal groove two sliding connection, connecting rod 8's upper end is provided with hand wheel 12.

Wherein: the pore canal regulating mechanism 7 is arranged in the left communicating pipeline 2, the pore canal regulating mechanism 7 comprises a blocking circular ring 71, an annular pore plug 72 and a second through hole 73, the blocking circular ring 71 is arranged in the left communicating pipeline 2, the annular pore plugs 72 are respectively and slidably connected in the left communicating pipeline 2, the annular pore plugs 72 are all positioned on the left side of the blocking circular ring 71, the second through holes 73 are formed in the annular pore plugs 72, and the second through holes 73 are sequentially increased from left to right; the pore canal regulating mechanism 7 further comprises an external thread cylinder 74, a cylinder 75, a sliding column 76 and a fixed circular ring 77, wherein the external thread cylinder 74 is connected with the left end of the left communicating pipe 2 in a threaded manner, the right end of the external thread cylinder 74 is uniformly provided with the cylinder 75, the inside of the cylinder 75 is slidably connected with a sliding column 76, the right end of the sliding column 76 is fixedly connected with the left end of a fixed ring 77, and the fixed ring 77 is matched with the annular hole plug 72; the pore canal adjusting mechanism 7 further comprises springs 78, the springs 78 are respectively sleeved on the outer cambered surface of the cylinder 75, the left ends of the springs 78 are fixedly connected with the right ends of the external thread cylinders 74, and the right ends of the springs 78 are fixedly connected with the left ends of the fixed circular rings 77.

The working principle of the utility model is as follows:

when the plug valve is used, the plug valve is connected to a corresponding working pipeline through the connecting flange plate 3, the connecting rod 8 is rotated through the hand wheel 12, the connecting rod 8 rotates to drive the valve core 4 to rotate, the working pipeline can be connected when the first through hole 5 in the valve core 4 is communicated with the communication pipeline 2, and the working pipeline can be disconnected when the first through hole 5 in the valve core 4 is not communicated with the communication pipeline 2, so that the opening and closing of the working pipeline are realized; the sealing rings I10 and II 11 are arranged, so that the tightness of the plug valve is improved, and the normal use of the plug valve is ensured;

when the maximum flow of the plug valve needs to be regulated, the external thread cylinder 74 is screwed by an external tool, the external thread cylinder 74 drives the fixed circular ring 77 to move leftwards, after the external thread cylinder 74 and the fixed circular ring 77 are taken out, the annular hole plug 72 can be taken out after the fixed circular ring 77 is not blocked, the maximum flow of the plug valve can be determined by the second hole 73 inside the annular hole plug 72, the annular hole plug 72 which needs to be used can be selected according to specific needs, the external thread cylinder 74 is screwed by the external tool, the external thread cylinder 74 drives the fixed circular ring 77 to move rightwards, the annular hole plug 72 is propped against the left end of the blocking circular ring 71, the left end part of the external thread cylinder 74 is kept to be exposed out of the left communicating pipeline 2, the external thread cylinder 74 is conveniently taken out, the fixed circular ring 77 can limit and fix the annular hole plugs 72 with different numbers under the elastic force of the spring 78, the maximum flow of the plug valve can be conveniently regulated by taking out different annular hole plugs step by step, the maximum flow can be regulated step by step, thus different large flow can be realized, the plug valve is not used in a different step, the plug valve is convenient to be replaced step by step, and the plug valve is low in cost and has low cost.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a plug valve with adjustable valve plug pore canal which characterized in that: comprises a main valve body (1) and a pore canal regulating mechanism (7);

the outer cambered surface of the main valve body (1) is symmetrically provided with a communicating pipeline (2), one end, far away from the center of the main valve body (1), of the communicating pipeline (2) is provided with a connecting flange plate (3), the inside of the main valve body (1) is rotationally connected with a valve core (4) through a bearing, a through hole I (5) is formed in the inside of the valve core (4), the upper side of the inside of the main valve body (1) is provided with a bushing (9), the upper end of the main valve body (1) is connected with a cover plate (6) through a bolt, the upper end of the valve core (4) is provided with a connecting rod (8), and the upper side of the outer cambered surface of the connecting rod (8) penetrates through the bushing (9) and an avoidance hole in the cover plate (6) and is exposed to the upper end of the cover plate (6);

the pore canal regulating mechanism (7) is arranged in the left communicating pipeline (2).

2. The plug valve with adjustable plug orifice according to claim 1, wherein: the pore canal adjusting mechanism (7) comprises a blocking circular ring (71), an annular pore plug (72) and a second through hole (73), wherein the blocking circular ring (71) is arranged in the left communicating pipeline (2), the annular pore plug (72) is connected to the left communicating pipeline (2) in a sliding mode respectively, the annular pore plug (72) is located on the left side of the blocking circular ring (71), the second through hole (73) is formed in the annular pore plug (72), and the second through hole (73) is sequentially increased from left to right.

3. The plug valve with adjustable plug orifice according to claim 2, wherein: the pore canal adjusting mechanism (7) further comprises an external thread cylinder (74), a cylinder (75), a sliding column (76) and a fixed circular ring (77), the external thread cylinder (74) is in threaded connection with the left end of the left communicating pipeline (2), the right end of the external thread cylinder (74) is uniformly provided with the cylinder (75), the sliding column (76) is slidably connected inside the cylinder (75), the right end of the sliding column (76) is fixedly connected with the left end of the fixed circular ring (77), and the fixed circular ring (77) is matched with the annular hole plug (72).

4. A plug valve according to claim 3, wherein: the pore canal adjusting mechanism (7) further comprises springs (78), the springs (78) are respectively sleeved on the outer cambered surface of the cylinder (75), the left ends of the springs (78) are fixedly connected with the right ends of the outer thread cylinders (74), and the right ends of the springs (78) are fixedly connected with the left ends of the fixed circular rings (77).

5. The plug valve with adjustable plug orifice according to claim 1, wherein: a first sealing groove is formed in the upper side of the outer cambered surface of the valve core (4), and the first sealing groove is arranged in the first sealing ring (10).

6. The plug valve with adjustable plug orifice according to claim 1, wherein: the outer cambered surface of connecting rod (8) is provided with sealing washer two (11), and seal groove two has been seted up to the inside of bush (9), and the intrados of sealing washer two (11) and seal groove two sliding connection.

7. The plug valve with adjustable plug orifice according to claim 1, wherein: the upper end of the connecting rod (8) is provided with a hand wheel (12).