CN210318572U

CN210318572U - Open formula governing valve earlier

Info

Publication number: CN210318572U
Application number: CN201921233822.9U
Authority: CN
Inventors: 李先明; 谢雄; 李光明; 熊文丰; 邹晓波
Original assignee: Zhejiang Huizheng Automatic Control Valve Co ltd
Current assignee: Huizheng automatic control valve group Co., Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-04-14
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses an open formula governing valve earlier, including actuating mechanism, valve rod, stroke pointer, stroke scale, open case department medium export, valve body main part and guide ring earlier, install the valve rod in the middle of actuating mechanism's the below, and the left side of valve rod is fixed with the stroke pointer to the left side of stroke pointer is provided with the stroke scale, the left side of stroke scale is fixed with actuating mechanism, and actuating mechanism bottom support, the bottom of valve rod runs through support and gland and is connected with little case main part, and the bottom mounting of support has the valve body main part to the internally mounted of valve body main part has the valve plug main part. This open earlier formula governing valve is provided with the little case that is "ten" font, and this kind of little case adopts open earlier formula structure, and it is little to compare traditional sleeve structure and open moment, opens earlier when the valve door and opens and lets valve plug main part pressure balance about the valve plug main part after the pressure discharge valve in the little case main part cavity, opens the valve plug main part at this moment again, and moment just diminishes.

Description

Open formula governing valve earlier

Technical Field

The utility model relates to a governing valve technical field specifically is an open earlier formula governing valve.

Background

The regulating valve is a valve for changing the flow, pressure, temperature and the like of a medium, the regulating valve is one of various valves, and the regulating valves on the market are various, but have some defects:

1. the traditional regulating valve is mostly internally provided with a sleeve structure, so that the starting torque is large, meanwhile, the traditional sleeve structure is complex, the traditional sleeve structure is often provided with soft sealing under the condition of low leakage amount, the service life of the soft sealing under the high-temperature and high-pressure environment is greatly shortened, the service temperature of the whole traditional regulating valve is limited within 250 ℃, the use range and the use object of the traditional regulating valve are relatively limited, the practicability is relatively low, and the leakage performance is relatively poor;

2. the friction between a valve rod in the traditional regulating valve and a support in the lifting process is large, lubricating oil needs to be added intermittently by workers, and meanwhile, the whole regulating valve is inconvenient to mount in different directions;

we have therefore proposed a pre-actuated regulator valve to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an open earlier formula governing valve to it is big to solve traditional governing valve moment of opening on the existing market that above-mentioned background art provided, and the governing valve can receive the restriction of temperature when using, makes life reduce, and frictional force is great, and is inconvenient lubricated, the inconvenient problem of carrying out the installation in different positions.

In order to achieve the above object, the utility model provides a following technical scheme: a first-opening regulating valve comprises an actuating mechanism, a valve rod, a stroke pointer, a stroke scale, a first-opening valve core medium outlet, a valve body main body and a guide ring, wherein the valve rod is installed in the middle of the lower portion of the actuating mechanism, the stroke pointer is fixed on the left side of the valve rod, the stroke scale is arranged on the left side of the stroke pointer, the actuating mechanism is fixed on the left side of the stroke scale, a support is arranged at the bottom end of the actuating mechanism, the bottom end of the valve rod penetrates through the support and a gland to be connected with a small valve core main body, the valve body main body is fixed at the bottom end of the support, the valve plug main body is installed inside the valve body, a compression spring is arranged inside the valve plug main body, the small valve core main body is arranged inside the compression spring, the gland is connected above the valve plug main body, the first-opening valve core medium valve plug outlet is formed in the middle of, and the right side that valve plug department medium exported is provided with total medium entry, the left side that valve plug department medium exported is provided with total medium export, and the outside of total medium entry and total medium export is provided with the valve body main part to both ends all are fixed with the ring flange about the valve body main part, actuating mechanism's below is inside to be fixed with fixed frame, and the top of fixed frame is provided with the clamp plate, and the inside of clamp plate is fixed with the valve rod, the surface of valve body main part is provided with the slide, the outside of valve plug main part is connected with the inside of valve body main part through the guide ring.

Preferably, the bottom end of the gland is attached to the upper portion of the small valve plug main body, and the connection mode of the gland and the valve plug main body is screw connection.

Preferably, the small valve core main body is in a cross-shaped structure, the small valve core main body and the valve rod are in an integrated structure, and the bottom end of the small valve core main body is in concave-convex fit with the medium outlet at the position of the valve core which is opened firstly.

Preferably, the outer surface of the valve body main body is provided with a groove, the groove is of an arc-shaped structure, the arc length of the groove is smaller than the perimeter of the valve body main body, and the groove is connected with the sliding plate in a clamping manner.

Preferably, the internally mounted of fixed frame has the stock solution gasbag, and the connecting pipe is installed to the bottom of stock solution gasbag to the outer end of connecting pipe is fixed with the shower nozzle, and the shower nozzle is arc column structure simultaneously, and the bottommost end of fixed frame is laminated with the topmost of support mutually.

Preferably, the pressure plate and the valve rod are of an integrated structure, and the pressure plate and the fixing frame form a lifting structure through the valve rod.

Preferably, the inside bearing of slide installs two-way lead screw, and the outside threaded connection of two-way lead screw has the connecting block to the outside loose axle of connecting block is connected with the connecting rod, the top loose axle of connecting rod is connected with the mounting panel.

Preferably, the mounting panel and the slide equal arc column structure, and the mounting panel passes through the connecting rod and constitutes elevation structure with the slide.

Preferably, the connecting blocks are symmetrically arranged about the vertical center line of the mounting plate, and the thread directions inside the 2 connecting blocks are opposite.

Compared with the prior art, the beneficial effects of the utility model are that: the first-starting type regulating valve is provided with;

(1) the valve is provided with a cross-shaped small valve core, the small valve core adopts an initial opening structure, compared with the traditional sleeve structure, the opening torque is small, when the valve is opened, the pressure in the cavity in the small valve core main body is firstly opened and then discharged into the valve, the upper and lower pressures of the valve plug main body are balanced, and then the valve plug main body is opened, so that the torque is reduced;

(2) when the small valve core main body is closed, the medium pressure and the actuator are inferred to enable the sealing specific pressure of the small valve core main body to reach a highest value, compared with the traditional sleeve structure, the leak-proof sealing performance is improved, meanwhile, the small valve core main body and the valve seat are completely built by hard alloy overlaying, compared with the traditional method of performing leak-proof sealing treatment through soft sealing, the sealing performance is improved, the service life and the service temperature range of the whole valve are improved by one grade, and the practicability and the use range of the whole valve are increased;

(3) the automatic lubricating device is provided with a fixing frame, a liquid storage air bag, a connecting pipe and a nozzle, the valve rod drives the pressing plate to descend together when descending through the arrangement of the liquid storage air bag, the connecting pipe and the nozzle, and then the pressing plate extrudes the liquid storage air bag in the fixing frame, so that lubricating oil in the liquid storage air bag is sprayed to the peripheral outer wall of the valve rod through the connecting pipe and the nozzle, and further, the automatic lubricating device does not need to be injected by workers and is convenient to operate;

(4) be fixed with the slide, the slide passes through the recess and constitutes sliding structure with the valve body main part, and then the slide of being convenient for drives the mounting panel and carries out the removal in different position to it drives the installation that whole governing valve carries out different positions, simple to operate to be convenient for ann changes the board.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a right sectional view of the slide plate and the valve body of the present invention;

FIG. 4 is a schematic view of the connection structure of the connecting rod and the slide plate according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 7 is a schematic view of the structure of the sprinkler head according to the present invention.

In the figure: 1. an actuator; 2. a valve stem; 3. a trip pointer; 4. stroke scales; 5. a support; 6. a gland; 7. a small valve element main body; 8. a compression spring; 9. a valve plug body; 10. firstly, opening a medium outlet at the valve core; 11. a valve body main body; 111. a groove; 12. a medium outlet at the valve plug; 13. a total media inlet; 14. a total medium outlet; 15. a flange plate; 16. a fixing frame; 161. a liquid storage air bag; 162. a connecting pipe; 163. a spray head; 17. pressing a plate; 18. a slide plate; 181. a bidirectional screw rod; 182. mounting a plate; 183. a connecting rod; 184. connecting blocks; 19. a guide ring.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a first-start regulating valve comprises an actuating mechanism 1, a valve rod 2, a stroke pointer 3, a stroke scale 4, a support 5, a gland 6, a small valve core main body 7, a compression spring 8, a valve plug main body 9, a first-start valve core medium outlet 10, a valve body main body 11, a valve plug medium outlet 12, a total medium inlet 13, a total medium outlet 14, a flange plate 15, a fixing frame 16, a pressing plate 17, a sliding plate 18 and a guide ring 19, wherein the valve rod 2 is installed in the middle of the lower portion of the actuating mechanism 1, the stroke pointer 3 is fixed on the left side of the valve rod 2, the stroke scale 4 is arranged on the left side of the stroke pointer 3, the actuating mechanism 1 is fixed on the left side of the stroke scale 4, the support 5 is arranged at the bottom end of the actuating mechanism 1, the bottom end of the valve rod 2 penetrates through the support 5 and the gland 6 to be connected with the small valve core main body 7, the valve, a compression spring 8 is arranged in the valve plug main body 9, a small valve core main body 7 is arranged in the compression spring 8, a gland 6 is connected above the valve plug main body 9, a first opening valve core medium outlet 10 is arranged in the middle of the lower part of the valve plug main body 9, a valve plug medium outlet 12 is arranged below the first opening valve core medium outlet 10, a main medium inlet 13 is arranged on the right side of the valve plug medium outlet 12, a main medium outlet 14 is arranged on the left side of the valve plug medium outlet 12, a valve body main body 11 is arranged on the outer sides of the main medium inlet 13 and the main medium outlet 14, flanges 15 are fixed at the left end and the right end of the valve body main body 11, a fixed frame 16 is fixed in the lower part of the actuating mechanism 1, a pressing plate 17 is arranged above the fixed frame 16, a valve rod 2 is fixed in the pressing plate 17, and a sliding plate 18 is arranged, the outer side of the plug body 9 is connected with the inner part of the valve body 11 through a guide ring 19;

the bottom end of the gland 6 is attached to the upper part of the small valve element main body 7, the connection mode of the gland 6 and the valve plug main body 9 is screw connection, and therefore the gland 6 can limit the upper part of the small valve element main body 7 conveniently, and the small valve element main body 7 can move along with the valve rod 2 well;

the small valve core main body 7 is in a cross-shaped structure, the small valve core main body 7 and the valve rod 2 are in an integrated structure, and the bottom end of the small valve core main body 7 is in concave-convex fit with the medium outlet 10 at the position of the valve core which is opened firstly, so that the traditional sleeve design is replaced by the design of the small valve core main body 7 in the cross-shaped structure, the moment for opening the whole regulating valve is reduced, and the operation is convenient;

the outer surface of the valve body main body 11 is provided with a groove 111, the groove 111 is of an arc-shaped structure, the arc length of the groove 111 is smaller than the circumference of the valve body main body 11, and the groove 111 is connected with the sliding plate 18 in a clamping manner, so that the groove 111 formed in the outer surface of the valve body main body 11 can well place the sliding plate 18, and the position of the sliding plate 18 can be conveniently adjusted, so that the position of the mounting plate 182 outside the sliding plate 18 can be conveniently adjusted, and the whole regulating valve can be conveniently mounted in different directions;

a liquid storage air bag 161 is installed inside the fixing frame 16, a connecting pipe 162 is installed at the bottom end of the liquid storage air bag 161, a nozzle 163 is fixed at the outer end of the connecting pipe 162, the nozzle 163 is of an arc-shaped structure, and the bottommost end of the fixing frame 16 is attached to the topmost end of the support 5, so that a certain amount of lubricant can be conveniently stored through the liquid storage air bag 161 installed inside the fixing frame 16, and the nozzle 163 in the arc-shaped structure can conveniently spray the lubricant to the periphery of the valve rod 2;

the pressure plate 17 and the valve rod 2 are of an integrated structure, and the pressure plate 17 and the fixing frame 16 form a lifting structure through the valve rod 2, so that the pressure plate 17 is driven to extrude the liquid storage air bag 161 conveniently when the valve rod 2 is lifted, and a worker does not need to manually inject a lubricant;

the inner bearing of the sliding plate 18 is provided with a bidirectional screw rod 181, the outer side of the bidirectional screw rod 181 is in threaded connection with a connecting block 184, the outer side movable shaft of the connecting block 184 is connected with a connecting rod 183, and the top end movable shaft of the connecting rod 183 is connected with a mounting plate 182, so that the bidirectional screw rod 181 in the sliding plate 18 drives the connecting block 184 and the connecting rod 183 which are in threaded connection to adjust the position of the mounting plate 182 when rotating, and the mounting plate 182 is convenient to mount in the later period;

the mounting plate 182 and the sliding plate 18 are both arc-shaped structures, and the mounting plate 182 and the sliding plate 18 form a lifting structure through the connecting rod 183, so that the mounting plate 182 with the arc-shaped structure can well flow along with the sliding of the sliding plate 18;

the connecting blocks 184 are symmetrically arranged about the vertical center line of the mounting plate 182, and the thread directions inside the 2 connecting blocks 184 are opposite, so that the connecting blocks 184 can push the connecting rods 183 to move well.

The working principle of the embodiment is as follows: when the pre-starting type regulating valve is used, firstly, as shown in fig. 1 and fig. 6, a certain amount of lubricating oil is injected into the liquid storage air bag 161 through the liquid injection port on the inner side of the liquid storage air bag 161, then, as shown in fig. 2, the whole regulating valve is moved into the working area, when the whole regulating valve is required to be installed with the outside, at this time, the position of the mounting plate 182 can be adjusted according to the outside installation environment, as shown in fig. 3, the sliding plate 18 slides in the groove 111, so that the sliding plate 18 drives the mounting plate 182 to move, so that the mounting plate 182 moves to a proper position, as shown in fig. 2-4, the bidirectional screw 181 in the sliding plate 18 is manually rotated, so that the bidirectional screw 181 and the sliding plate 18 rotate in a bearing manner, and simultaneously, the bidirectional screw 181 makes the two connecting blocks 184 in external threaded connection move inwards at the same time when rotating, the two connecting blocks 184 drive the connecting rod 183 connected with the bottom movable shaft to push the mounting plate 182 connected with the bottom movable shaft, and then the mounting plate 182 can be mounted, so that the whole regulating valve can be mounted in different directions conveniently by moving the mounting plate 182;

after the adjusting valve is installed, a main medium inlet 13 and a main medium outlet 14 of the adjusting valve are connected with an external pipeline through a flange 15 on the outer side, then the whole adjusting valve starts to work, when the valve is opened, at this time, the actuating mechanism 1 drives the valve rod 2 to ascend, as shown in the attached drawing 1, so that a stroke pointer 3 on the outer side of the valve rod 2 slides on the outer side of a stroke scale 4 to record, a small valve core main body 7 at the bottom end of the valve rod 2 with a bridge is started, then the pressure in the small valve core main body 7 is discharged into the valve, the upper pressure and the lower pressure of the valve plug main body 9 are balanced, at this time, the moment of opening the valve plug main body 9 is reduced, and meanwhile, the small valve core main body 7 and the valve body 11 are subjected to hard alloy surfacing welding, so that the service life and the temperature range of the whole;

when the valve is closed, drive valve rod 2 through actuating mechanism 1 and descend, valve rod 2 drives the clamp plate 17 in the top outside and descends, and then make clamp plate 17 extrude the inside stock solution gasbag 161 of fixed frame 16 downwards, as shown in figure 1 and figure 6-7, inside lubricating oil sprays to the outside of valve rod 2 through connecting pipe 162 and shower nozzle 163 when stock solution gasbag 161 receives the extrusion, and then make the peripheral distribution in valve rod 2 outside have lubricating oil, the frictional force between valve rod 2 and the support 5 has been reduced, so that the fine slip of valve rod 2, above be the use of whole governing valve, thereby accomplish a series of work.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a start formula governing valve earlier, includes actuating mechanism (1), valve rod (2), stroke pointer (3), stroke scale (4), opens valve core department medium export (10), valve body main part (11) and guide ring (19) earlier, its characterized in that: a valve rod (2) is installed in the middle of the lower portion of the execution mechanism (1), a stroke pointer (3) is fixed on the left side of the valve rod (2), stroke scales (4) are arranged on the left side of the stroke pointer (3), the execution mechanism (1) is fixed on the left side of the stroke scales (4), a bottom end support (5) of the execution mechanism (1) is arranged, the bottom end of the valve rod (2) penetrates through the support (5) and a gland (6) to be connected with a small valve plug main body (7), a valve body main body (11) is fixed on the bottom end of the support (5), a valve plug main body (9) is installed inside the valve body (11), a compression spring (8) is arranged inside the valve plug main body (9), a small valve plug main body (7) is arranged inside the compression spring (8), a gland (6) is connected above the valve plug main body (9), a medium outlet (10) at which a valve plug is opened first is formed in the middle, a medium outlet (12) at the valve plug is arranged below the medium outlet (10) at the position of the first opening valve core, and the right side of the medium outlet (12) at the valve plug is provided with a main medium inlet (13), a main medium outlet (14) is arranged on the left side of the medium outlet (12) at the valve plug, and the outer sides of the total medium inlet (13) and the total medium outlet (14) are provided with a valve body main body (11), and the left and right ends of the valve body main body (11) are both fixed with flange plates (15), a fixed frame (16) is fixed inside the lower part of the actuating mechanism (1), a pressure plate (17) is arranged above the fixed frame (16), a valve rod (2) is fixed in the pressure plate (17), a sliding plate (18) is arranged on the outer surface of the valve body main body (11), the outer side of the valve plug main body (9) is connected with the inner part of the valve body main body (11) through a guide ring (19).

2. The pre-start regulator valve of claim 1, wherein: the bottom of gland (6) is laminated with the top of little valve core main part (7) mutually, and gland (6) is connected for the screw with the connected mode of valve plug main part (9).

3. The pre-start regulator valve of claim 1, wherein: the small valve core main body (7) is in a cross-shaped structure, the small valve core main body (7) and the valve rod (2) are in an integrated structure, and the bottom end of the small valve core main body (7) is in concave-convex fit with the medium outlet (10) at the position of the first opening valve core.

4. The pre-start regulator valve of claim 1, wherein: the outer surface of the valve body main body (11) is provided with a groove (111), the groove (111) is of an arc-shaped structure, the arc length of the groove (111) is smaller than the perimeter of the valve body main body (11), and meanwhile the groove (111) is connected with the sliding plate (18) in a clamping mode.

5. The pre-start regulator valve of claim 1, wherein: the internally mounted of fixed frame (16) has stock solution gasbag (161), and connecting pipe (162) are installed to the bottom of stock solution gasbag (161) to the outer end of connecting pipe (162) is fixed with shower nozzle (163), and shower nozzle (163) are arc column structure simultaneously, and the top of the most end of fixed frame (16) and support (5) is laminated mutually.

6. The pre-start regulator valve of claim 1, wherein: the pressure plate (17) and the valve rod (2) are of an integrated structure, and the pressure plate (17) and the fixing frame (16) form a lifting structure through the valve rod (2).

7. The pre-start regulator valve of claim 1, wherein: two-way lead screw (181) is installed to the inner bearing of slide (18), and the outside threaded connection of two-way lead screw (181) has connecting block (184), and the outside loose axle of connecting block (184) is connected with connecting rod (183), the top loose axle of connecting rod (183) is connected with mounting panel (182).

8. The pre-start regulator valve of claim 7, wherein: the mounting plate (182) and the sliding plate (18) are of arc-shaped structures, and the mounting plate (182) and the sliding plate (18) form a lifting structure through a connecting rod (183).

9. The pre-start regulator valve of claim 7, wherein: the connecting blocks (184) are symmetrically arranged about the vertical central line of the mounting plate (182), and the thread directions inside the 2 connecting blocks (184) are opposite.