CN216843131U

CN216843131U - Cage type single-seat regulating valve

Info

Publication number: CN216843131U
Application number: CN202220459631.XU
Authority: CN
Inventors: 李茉
Original assignee: Bolai Valve Changzhou Co ltd
Current assignee: Bolai Valve Changzhou Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-06-28
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to the technical field of valves, especially, relate to a cage list seat governing valve. The cage type single-seat regulating valve comprises a valve body, a driving mechanism is arranged on the top side of the valve body, and a partition plate fixedly connected with the valve body is arranged on the inner wall of the valve body; the cleaning assembly is provided with a plurality of groups and is distributed in the center of the top side of the partition plate in an annular mode, and the cleaning assembly comprises an installation frame, a sliding rod and a scraping ring. The utility model provides a cage single seat governing valve, when staff control actuating mechanism carries out the during operation, actuating mechanism can be smooth drive the case downstream through the valve rod, the outer wall that removes the case this moment then can be smooth with the outer wall of scraping ring in the clearance subassembly offset, along with the lasting downstream of case, the scraping ring then can scrape one by one to the surface of case and get, and then can be smooth clear up case surface adsorption's impurity, can reduce the influence of impurity when the case is closed, consequently, can improve the sealed effect of this device to a certain extent.

Description

Cage type single-seat regulating valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a cage list seat governing valve.

Background

The regulating valve is also called a control valve, and is operated by power to change the flow of the fluid by receiving a control signal output by the regulating control unit. The regulating valve generally consists of an actuator and a valve. If the power is used by the matched actuating mechanism, the regulating valve can be divided into a pneumatic regulating valve, an electric regulating valve and a hydraulic regulating valve, and in addition, the regulating valve is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to the functions and the characteristics of the regulating valve.

The cage type single-seat regulating valve is a straight-through single-seat cast spherical valve and is mainly made of stainless steel.

The surface of case when later stage uses is receiving fluidic long-time when assaulting, and some impurity can be adsorbed to the surface often, consequently when needs are closed the governing valve, and the impurity on case surface then can influence the closed degree of sealing of case to a certain extent.

Therefore, there is a need to provide a new cage type single seat regulating valve to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a cage type single-seat regulating valve.

The utility model provides a cage list seat governing valve includes: the top side of the valve body is provided with a driving mechanism, and the inner wall of the valve body is provided with a fixedly connected partition plate;

the clearance subassembly, the clearance subassembly is equipped with a plurality of groups and the annular central authorities that distribute in baffle top side, the clearance subassembly includes installing frame, slide bar and scraping ring, installing frame fixed mounting is on the top side of baffle, the inside of installing frame is equipped with sliding connection's slide bar, just the slide bar is kept away from the installing frame and is driven one end and the outer wall fixed connection who scrapes the ring.

Preferably, the cleaning assembly further comprises a connecting piece and an extrusion spring, the connecting piece is arranged at one end, located inside the mounting frame, of the sliding rod, and the connecting piece is elastically connected with the mounting frame through the extrusion spring.

Preferably, a valve rod fixedly connected is arranged at the bottom side of the driving mechanism, a valve core rotatably connected is mounted at the bottom side of the valve rod, and the valve core is in a circular truncated cone shape.

Preferably, be equipped with fixed connection's stationary blade on the outer wall of valve rod, the top side of stationary blade is equipped with the second connecting hole that a plurality of rings shape distributes, the top cover of valve rod outer wall stationary blade is equipped with first connecting ring, just first connecting ring passes through bolt and stationary blade fixed connection.

Preferably, the outer wall of the first connecting ring is sleeved with a fixedly connected diaphragm, one side of the diaphragm, which is far away from the first connecting ring, is provided with a fixedly connected second connecting ring, the top side of the second connecting ring is provided with a plurality of annularly distributed first connecting holes, and the second connecting ring is located between the connecting positions of the valve body and the driving mechanism and is connected with the valve body through bolts.

Preferably, the center of the top side of the partition plate is provided with a through hole, the through hole is in an inverted cone shape, and the inclination radian of the side wall of the through hole is the same as that of the outer wall of the valve core.

Preferably, a plurality of annularly distributed lugs are fixedly mounted on the top side of the valve core, and the outer wall of each lug is provided with a fixedly connected blade.

Compared with the prior art, the utility model provides a cage single seat governing valve has following beneficial effect:

1. the utility model discloses a set up the clearance subassembly that a plurality of annular distribute, the later stage carries out the during operation when staff control actuating mechanism in the use, actuating mechanism can be smooth drive the case downstream through the valve rod, the outer wall that removes the case this moment then can be smooth with the outer wall of scraping the ring in the clearance subassembly offset, along with the continuous downstream of case, the scraping ring then can scrape one by one the surface of case and get, and then can be smooth clear up case surface adsorption's impurity, can reduce the influence of impurity when closing the case, consequently, can improve the sealed effect of this device to a certain extent.

2. The utility model discloses a be provided with the diaphragm between valve rod and valve body, the later stage is opened when carrying out the liquid circulation when the case, the diaphragm of erectting between valve rod and the valve body then can be smooth stops the liquid of circulation this moment, can make the smooth valve body of passing of liquid outwards flow, through the diaphragm to stopping of liquid, can once seal the junction of valve body and valve rod, can improve this device in a certain extent and seal the effect to the valve rod, can avoid liquid outwards to ooze from the junction of valve rod and valve body.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a cage-type single-seat control valve according to the present invention;

FIG. 2 is a schematic structural view of the separator shown in FIG. 1;

FIG. 3 is a schematic view of the interior of the cleaning assembly shown in FIG. 2;

FIG. 4 is a schematic structural view of the diaphragm shown in FIG. 1;

fig. 5 is a schematic structural diagram of the bump shown in fig. 1.

Reference numbers in the figures: 1. a valve body; 2. a drive mechanism; 2a, a valve rod; 2b, a valve core; 3. a partition plate; 3a, a through hole; 4. a bump; 4a, a blade; 5. a membrane; 5a, a first connecting ring; 5b, a second connecting ring; 5c, a first connection hole; 6. cleaning the assembly; 61. installing a frame; 62. a slide bar; 63. scraping rings; 64. connecting sheets; 65. a compression spring; 7. a fixing sheet; 7a, a second connecting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a cage type single-seat adjusting valve, including: valve body 1 and clearance subassembly 6, the top side of valve body 1 is equipped with actuating mechanism 2, the inner wall of valve body 1 is equipped with fixed connection's baffle 3.

In the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 3, the cleaning assembly 6 is provided with a plurality of groups and is annularly distributed at the center of the top side of the partition board 3, the cleaning assembly 6 includes a mounting frame 61, a sliding rod 62 and a scraping ring 63, the mounting frame 61 is fixedly mounted at the top side of the partition board 3, the sliding rod 62 is disposed inside the mounting frame 61, and the sliding rod 62 is far away from the outer wall fixed connection where the mounting frame 61 drives one end and the scraping ring 63, the cleaning assembly 6 further includes a connecting sheet 64 and an extruding spring 65, the connecting sheet 64 is disposed at one end of the sliding rod 62 inside the mounting frame 61, and the connecting sheet 64 is elastically connected with the mounting frame 61 through the extruding spring 65.

It should be noted that: in addition, as the regulating valve is provided with a plurality of cleaning assemblies 6 distributed annularly outside the through hole 3a on the partition plate 3, when a worker controls the driving mechanism 2 to work in the use process in the later period, the driving mechanism 2 can smoothly drive the valve core 2b to move downwards through the valve rod 2 a;

at the moment, the outer wall of the movable valve core 2b can smoothly abut against the outer wall of the scraping ring 63 in the cleaning assembly 6, and along with the continuous downward movement of the valve core 2b, the scraping ring 63 can scrape the surface of the valve core 2b one by one, so that impurities adsorbed on the surface of the valve core 2b can be smoothly cleaned, the influence of the impurities on the closing of the valve core 2b can be reduced, and the sealing effect of the device can be improved to a certain extent;

it should also be noted that: through the setting of extrusion spring 65, when the outer wall of case 2b offseted with the outer wall of scraping ring 63, extrusion spring 65 accessible self elastic force extrudees slide bar 62, can make scraping ring 63 closely laminate with the outer wall of case 2b, makes scraping ring 63 can clear up the impurity of the outer wall of case 2b smoothly.

In an embodiment of the present invention, please refer to fig. 1 and 5, a valve rod 2a is fixedly connected to a bottom side of the driving mechanism 2, a valve core 2b is rotatably connected to the bottom side of the valve rod 2a, and the valve core 2b is "truncated cone".

It should be noted that: through the setting of actuating mechanism 2, the staff can drive the removal of valve rod 2a and case 2b through the motion of control actuating mechanism 2, and then the opening and shutting of this governing valve of control that can be smooth.

In the embodiment of the present invention, please refer to fig. 1, fig. 4 and fig. 5, a fixing plate 7 of a fixed connection is disposed on the outer wall of the valve stem 2a, a second connecting hole 7a of a plurality of annular distributions is disposed on the top side of the fixing plate 7, a first connecting ring 5a is sleeved on the upper cover of the outer wall fixing plate 7 of the valve stem 2a, and the first connecting ring 5a is fixedly connected to the fixing plate 7 through a bolt, a membrane 5 of the fixed connection is sleeved on the outer wall of the first connecting ring 5a, one side of the membrane 5 far away from the first connecting ring 5a is provided with a second connecting ring 5b of the fixed connection, a first connecting hole 5c of the plurality of annular distributions is disposed on the top side of the second connecting ring 5b, and the second connecting ring 5b is disposed between the connecting positions of the valve body 1 and the driving mechanism 2 and is connected to the valve body 1 through a bolt.

It should be noted that: because the diaphragm 5 is fixedly arranged between the valve rod 2a and the valve body 1, when liquid flows in the later period, the diaphragm 5 can smoothly block the flowing liquid, so that the liquid can smoothly pass through the valve body 1 and flow out;

through the stopping of diaphragm 5 to liquid, can once seal the junction of valve body 1 and valve rod 2a, can improve this device in a certain extent and to the sealed effect of valve rod 2a, can avoid liquid to outwards ooze from the junction of valve rod 2a and valve body 1.

In the embodiment of the present invention, please refer to fig. 2 and 5, a through hole 3a is formed in the center of the top side of the partition board 3, the through hole 3a is an inverted cone, and the inclination radian of the side wall of the through hole 3a is the same as the inclination radian of the outer wall of the valve core 2 b.

It should be noted that: because the radian of slope of through-hole 3a lateral wall is the same with the radian of slope of case 2b outer wall, when actuating mechanism 2 passes through valve rod 2a and drives case 2b downstream, can make case 2b closely laminate with through-hole 3a, and then can accomplish the closure of this device smoothly.

In an embodiment of the present invention, please refer to fig. 1 and 5, a plurality of annularly distributed bumps 4 are fixedly mounted on a top side of the valve core 2b, and a fixedly connected blade 4a is mounted on an outer wall of each bump 4.

It should be noted that: through being equipped with lug 4 and blade 4a on the top side at case 2b, and because be rotation connection between case 2b and the valve rod 2a, consequently later stage when this governing valve is opened, flowing liquid can be smooth drive case 2b through blade 4a and rotate at the bottom side of valve body 1, through case 2 b's rotation, when actuating mechanism 2 drives case 2b downstream through valve rod 2a and seals baffle 3, can make the outer wall of case 2b offset with the outer wall of scraping ring 63 in a plurality of clearance subassemblies 6 with different angles, can make smooth surface to case 2b clear up.

The utility model provides a cage single seat governing valve's theory of operation as follows:

when the regulating valve is used, as the membrane 5 is arranged between the valve rod 2a and the valve body 1, the valve core 2b is opened to circulate liquid in the later period;

at the moment, the diaphragm 5 erected between the valve rod 2a and the valve body 1 can smoothly block the circulating liquid, so that the liquid can smoothly pass through the valve body 1 to flow out, the connection part of the valve body 1 and the valve rod 2a can be sealed at one time through the blocking of the diaphragm 5 to the liquid, the sealing effect of the device on the valve rod 2a can be improved in a certain range, and the liquid can be prevented from seeping out from the connection part of the valve rod 2a and the valve body 1;

in addition, as the regulating valve is provided with a plurality of cleaning assemblies 6 distributed annularly outside the through hole 3a on the partition plate 3, when a worker controls the driving mechanism 2 to work in the use process in the later period, the driving mechanism 2 can smoothly drive the valve core 2b to move downwards through the valve rod 2 a;

at this moment, the outer wall of the movable valve element 2b can smoothly abut against the outer wall of the scraping ring 63 in the cleaning assembly 6, and along with the continuous downward movement of the valve element 2b, the scraping ring 63 can scrape the surface of the valve element 2b one by one, so that impurities adsorbed on the surface of the valve element 2b can be smoothly cleaned, the influence of the impurities on the closing of the valve element 2b can be reduced, and the sealing effect of the device can be improved to a certain degree.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A cage type single-seat regulating valve is characterized by comprising:

the valve comprises a valve body (1), wherein a driving mechanism (2) is arranged on the top side of the valve body (1), and a partition plate (3) fixedly connected is arranged on the inner wall of the valve body (1);

clearance subassembly (6), clearance subassembly (6) are equipped with a plurality of groups and the annular distributes at the central authorities of baffle (3) top side, clearance subassembly (6) are including installing frame (61), slide bar (62) and scrape ring (63), installing frame (61) fixed mounting is in the top side of baffle (3), the inside of installing frame (61) is equipped with sliding connection's slide bar (62), just installing frame (61) are kept away from in slide bar (62) and are driven the outer wall fixed connection of one end and scrape ring (63).

2. The cage-type single-seat adjusting valve according to claim 1, wherein the cleaning assembly (6) further comprises a connecting piece (64) and a pressing spring (65), the connecting piece (64) is arranged at one end of the sliding rod (62) located inside the mounting frame (61), and the connecting piece (64) is elastically connected with the mounting frame (61) through the pressing spring (65).

3. The cage-type single-seat regulating valve according to claim 1, characterized in that a fixedly connected valve rod (2a) is arranged at the bottom side of the driving mechanism (2), a rotatably connected valve core (2b) is arranged at the bottom side of the valve rod (2a), and the valve core (2b) is in a shape of a circular truncated cone.

4. The cage type single-seat regulating valve according to claim 3, characterized in that a fixing plate (7) is fixedly connected to the outer wall of the valve rod (2a), a plurality of second connecting holes (7a) are annularly distributed on the top side of the fixing plate (7), a first connecting ring (5a) is sleeved on the upper portion of the fixing plate (7) on the outer wall of the valve rod (2a), and the first connecting ring (5a) is fixedly connected to the fixing plate (7) through a bolt.

5. The cage type single-seat adjusting valve according to claim 4, characterized in that a fixedly connected membrane (5) is sleeved on the outer wall of the first connecting ring (5a), a fixedly connected second connecting ring (5b) is arranged on one side of the membrane (5) far away from the first connecting ring (5a), a plurality of annularly distributed first connecting holes (5c) are formed in the top side of the second connecting ring (5b), and the second connecting ring (5b) is located between the connecting positions of the valve body (1) and the driving mechanism (2) and connected with the valve body (1) through bolts.

6. The cage type single-seat regulating valve according to claim 3, characterized in that a through hole (3a) is formed in the center of the top side of the partition plate (3), the through hole (3a) is in an inverted cone shape, and the inclination radian of the side wall of the through hole (3a) is the same as that of the outer wall of the valve core (2 b).

7. The cage type single-seat regulating valve according to claim 6, characterized in that a plurality of annularly distributed lugs (4) are fixedly arranged on the top side of the valve core (2b), and the outer wall of each lug (4) is provided with fixedly connected blades (4 a).