CN114413000B - Straight-through cage sleeve type throttle valve - Google Patents
Straight-through cage sleeve type throttle valve Download PDFInfo
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- CN114413000B CN114413000B CN202210132124.XA CN202210132124A CN114413000B CN 114413000 B CN114413000 B CN 114413000B CN 202210132124 A CN202210132124 A CN 202210132124A CN 114413000 B CN114413000 B CN 114413000B
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- Prior art keywords
- sleeve
- cage
- adjusting shaft
- cage sleeve
- holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a straight-through cage sleeve type throttle valve which can correct a cage sleeve hole after the abrasion aperture of the cage sleeve hole is enlarged without stopping production and replacing, thereby solving the problems of inaccurate flow control, unstable throttling and high noise caused by the abrasion of the cage sleeve hole.
Description
Technical Field
The invention belongs to the technical field of throttling parts, and particularly relates to a straight-through cage sleeve type throttling valve.
Background
The present choke valve kind mainly has needle valve formula choke valve, disk choke valve, cage shell type choke valve, lamella formula governing valve etc. and wherein the throttling effect of cage shell type choke valve is better, therefore has more extensive application, its principle: the plunger piston moves up and down in the cage with holes, so that different flow areas are generated to control the flow and pressure of the medium, and the medium in the pipeline is throttled.
However, the cage type throttle valve has the following problems in practical use: can mix solid particle in the fluid of being surveyed, along with being surveyed the fluid and erode the cage trepanning together at a high speed, some measured fluids still have certain corrosivity, above reason can lead to cage trepanning wearing and tearing, the aperture grow, and then appear flow control inaccuracy, when the throttle problem that steady and noise are big, and inside the valve body was located to the cage cover, wearing and tearing were difficult to discover.
Therefore, the straight-through cage sleeve type throttle valve capable of solving the problems is designed, and has market prospect.
Disclosure of Invention
In order to meet the requirements, the invention provides the straight-through cage sleeve type throttle valve which can correct the cage sleeve hole after the abrasion aperture of the cage sleeve hole is enlarged, does not need to be replaced in a production stop manner, and has extremely high application value.
The technical scheme adopted by the invention for solving the technical problem is as follows: a straight-through cage type throttle valve comprises a valve body, wherein a cage is arranged in the valve body and is divided into an outer cage and an inner cage, a plurality of through holes are formed in the outer cage, the outer cage is of a hollow structure, the inner cage is arranged in the outer cage, a plurality of groups of flow holes are formed in the inner cage, each group of flow holes are in one-to-one correspondence with the through holes in the outer cage, each flow hole can be completely arranged in the corresponding through hole, a plug sleeve is arranged on the inner cage, and the plug sleeve protrudes out of the outer cage;
the improved valve is characterized in that a plunger is arranged in the valve body and is connected with a hand wheel outside the valve body through a valve rod, mounting holes connected with each other are formed in the plunger, the valve rod and the hand wheel, a retaining ring is arranged at the bottom of each mounting hole, a spring is arranged on the upper portion of the retaining ring, an adjusting shaft is sleeved in the spring, a lantern ring is arranged on the adjusting shaft, a sealing ring is arranged between the adjusting shaft on the upper portion of the lantern ring and the mounting holes, the mounting holes are extended out of the upper end of the adjusting shaft, and a handle is arranged on the upper end of the adjusting shaft.
Preferably, the hand wheel is provided with scales corresponding to the flow hole groups.
Preferably, the inner ring of the bolt sleeve is polygonal.
Preferably, be equipped with the camera in the regulating spindle, the camera links to each other with the outer display of valve body, outer cage and interior cage are made by the different materials of colour.
Preferably, the outer cage is made of stainless steel, and the inner cage is made of brass.
Preferably, the pin sleeve penetrates through the inner cage sleeve, a mounting groove is formed in the outer cage sleeve corresponding to the lower portion of the pin sleeve, a strong spring is arranged in the mounting groove, a top plate is arranged on the strong spring, a top block is arranged on the top plate, and a plurality of positioning grooves corresponding to the top block are formed in the inner cage sleeve.
Preferably, a positioning block is arranged on the side of the adjusting shaft, a positioning shaft sleeve is arranged in the mounting hole, a plurality of slideways are arranged in the positioning shaft sleeve, and the positioning block is arranged in one of the slideways.
In daily use, because the flow holes on the inner cage sleeve are smaller than the through holes on the outer cage sleeve and are completely arranged in the through holes, the flow is controlled by the flow holes on the inner cage sleeve through the throttle valve, and abrasion only appears on the flow holes.
When a downstream flow meter detects that the flow control is not accurate, or the throttling valve has the problems of unstable throttling, high noise and the like, the hand wheel is used for driving the valve rod to screw down the plunger, the throttling valve is closed, the adjusting shaft is pressed down and inserted into the bolt sleeve, the adjusting shaft is rotated by a certain angle to further drive the inner cage sleeve, the throttling control is carried out by adopting the other group of flow holes on the inner cage sleeve, the production stop is not needed, the correction can be completed, and the integral replacement is carried out when the centralized production stop maintenance is carried out.
In the preferred scheme, the hand wheel is provided with scales corresponding to the flow hole groups, so that the angle of the inner cage sleeve can be conveniently and accurately adjusted by a worker.
In the preferred scheme, the inner ring of the plug bush is polygonal, so that the plug bush can be conveniently inserted into the adjusting shaft in a positioning way.
In the preferred scheme, be equipped with the camera in the regulating spindle, can push down the regulating spindle, observe the wearing and tearing situation in flow hole through the camera, outer cage and interior cage are made by the different materials of colour for the staff analyzes wearing and tearing more easily.
In the preferred scheme, be equipped with the fixed establishment of interior cage, under normal operating condition, the kicking block on the roof inserts fixes interior cage in the constant head tank, inserts the interior roof of pushing down of bolt cover when the regulating spindle for interior cage can move about.
In the preferred scheme, be equipped with the fixing device of regulating spindle, prevent through the cooperation of location axle sleeve and locating piece that the regulating spindle is rotatory to rock, when using the regulating spindle, push down the regulating spindle, the locating piece can break away from the location axle sleeve for the regulating spindle free rotation.
The beneficial effects of the invention are: through the improvement of structure, need not stop production, can revise the cage trepanning, need not stop production and change, very big improvement production efficiency.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view when the inner cage is adjusted.
Fig. 3 is a schematic diagram of the structure of the outer cage.
Fig. 4 is a schematic diagram of the structure of the inner cage.
Fig. 5 is a schematic structural view of a fixing mechanism of an inner cage in example 2.
Fig. 6 is a schematic cross-sectional view of an adjustment shaft in example 2.
In the figure: 1. the valve comprises a valve body, 2 plunger pistons, 3 valve rods, 4 adjusting shafts, 5 hand wheels, 6 handles, 7 sealing rings, 8 outer cages, 9 inner cages, 9.1 flow holes, 10 lantern rings, 11 springs, 12 baffle rings, 13 plug pin sleeves, 14 powerful springs, 15 top plates, 16 top blocks, 17 positioning shaft sleeves and 18 positioning blocks.
Detailed Description
Example 1
Fig. 1 to 4 show a straight-through cage sleeve type throttle valve, in which: 1. the valve comprises a valve body, a plunger, a valve rod, a regulating shaft, a hand wheel, a handle, a sealing ring, an outer cage, an inner cage, a flow hole, a lantern ring, a spring, a baffle ring, a plug sleeve and a plug sleeve, wherein the plunger, the valve rod, the regulating shaft, the hand wheel, the handle, the sealing ring, the outer cage, the inner cage, the flow hole, the lantern ring, the spring, the baffle ring, the plug sleeve and the plug sleeve are arranged in the valve body, the cage sleeve is divided into the outer cage and the inner cage, a plurality of through holes are formed in the outer cage, the outer cage is of a hollow structure, the inner cage is sleeved in the outer cage, the inner cage is provided with 3 groups of flow holes, each group of flow holes are in one-to-one correspondence with the through holes in the outer cage, each flow hole can be completely arranged in the corresponding through hole, the inner cage is provided with a plug pin sleeve, and the plug pin sleeve protrudes out of the outer cage;
the improved valve is characterized in that a plunger is arranged in the valve body and is connected with a hand wheel outside the valve body through a valve rod, mounting holes connected with each other are formed in the plunger, the valve rod and the hand wheel, a retaining ring is arranged at the bottom of each mounting hole, a spring is arranged on the upper portion of the retaining ring, an adjusting shaft is sleeved in the spring, a lantern ring is arranged on the adjusting shaft, a sealing ring is arranged between the adjusting shaft on the upper portion of the lantern ring and the mounting holes, the mounting holes are extended out of the upper end of the adjusting shaft, and a handle is arranged on the upper end of the adjusting shaft.
In this example, the valve rod is connected with the valve body by screw threads, so as to control the plunger to move up and down.
In this example, the hand wheel is provided with scales corresponding to the flow orifice groups.
In this example, the inner ring of the bolt sleeve is polygonal.
In this example, the regulating spindle lateral part is equipped with the camera, the camera links to each other with the outer display of valve body, outer cage and interior cage are made by the different material of colour.
Example 2
Fig. 1 to 6 show a straight-through cage sleeve type throttle valve, in which: 1. the valve comprises a valve body, a plunger, a valve rod, a regulating shaft, a hand wheel, a handle, a sealing ring, an outer cage, an inner cage, a flow hole, a lantern ring, a spring, a retaining ring, a plug sleeve, a bolt sleeve, a powerful spring, a top plate, a top block, a positioning shaft sleeve and a positioning block, wherein the plunger is 2, the plunger is 3, the valve rod is 4, the regulating shaft is 5, the hand wheel is 6, the handle is 7, the sealing ring is 8, the outer cage is 9, the inner cage is 9, the flow hole is 9.1, the lantern ring is 10, the spring is 11, the retaining ring is 12, the plug sleeve is 13, the powerful spring is 14, the top plate is 15, the top block is 16, the positioning shaft sleeve is 17, and the positioning block is 18.
The valve body is internally provided with a cage sleeve, the cage sleeve is divided into an outer cage sleeve and an inner cage sleeve, the outer cage sleeve is provided with a plurality of through holes, the outer cage sleeve is of a hollow structure, the inner cage sleeve is arranged in the outer cage sleeve, the inner cage sleeve is provided with 3 groups of flow holes, each group of flow holes is in one-to-one correspondence with the through holes in the outer cage sleeve, each flow hole can be completely arranged in the corresponding through hole, the inner cage sleeve is provided with a plug sleeve, and the plug sleeve protrudes out of the outer cage sleeve;
the improved valve is characterized in that a plunger is arranged in the valve body and is connected with a hand wheel outside the valve body through a valve rod, mounting holes connected with each other are formed in the plunger, the valve rod and the hand wheel, a retaining ring is arranged at the bottom of each mounting hole, a spring is arranged on the upper portion of the retaining ring, an adjusting shaft is sleeved in the spring, a lantern ring is arranged on the adjusting shaft, a sealing ring is arranged between the adjusting shaft on the upper portion of the lantern ring and the mounting holes, the mounting holes are extended out of the upper end of the adjusting shaft, and a handle is arranged on the upper end of the adjusting shaft.
In this example, the hand wheel is provided with scales corresponding to the flow orifice groups.
In this example, the inner ring of the pin sleeve is polygonal.
In this example, be equipped with the camera in the regulating spindle, the camera links to each other with the outer display of valve body, outer cage and interior cage are made by the different materials of colour.
In this example, the bolt cover runs through the inner cage cover, and the outer cage cover corresponding to the lower part of the bolt cover is provided with a mounting groove, and a strong spring is arranged in the mounting groove, and is provided with a top plate, and the top plate is provided with a top block, and the inner cage cover is provided with a plurality of positioning grooves corresponding to the top block.
In this example, the lateral part of the adjusting shaft is provided with a positioning block, a positioning shaft sleeve is arranged in the mounting hole, a plurality of slide ways are arranged in the positioning shaft sleeve, and the positioning block is arranged in one of the slide ways.
In this example, outer cage stainless steel material, interior cage is the brass material.
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 (6)
1. The utility model provides a direct cage formula choke valve, includes the valve body, be equipped with the cage in the valve body, characterized by: the flow rate measuring device comprises a cage sleeve, an outer cage sleeve, an inner cage sleeve and a measuring device, wherein the cage sleeve is divided into the outer cage sleeve and the inner cage sleeve, a plurality of through holes are formed in the outer cage sleeve, the outer cage sleeve is of a hollow structure, the inner cage sleeve is arranged in the outer cage sleeve, a plurality of groups of flow rate holes are formed in the inner cage sleeve, each group of flow rate holes correspond to the through holes in the outer cage sleeve one by one, each flow rate hole can be completely arranged in the corresponding through hole, a plug pin sleeve is arranged on the inner cage sleeve, and the plug pin sleeve protrudes out of the outer cage sleeve;
the valve body is internally provided with a plunger, the plunger is connected with a hand wheel outside the valve body through a valve rod, the plunger, the valve rod and the hand wheel are provided with connecting mounting holes, the bottom of the mounting hole is provided with a baffle ring, the upper part of the baffle ring is provided with a spring, an adjusting shaft is sleeved in the spring, the adjusting shaft is provided with a lantern ring, a sealing ring is arranged between the adjusting shaft at the upper part of the lantern ring and the mounting hole, the upper end of the adjusting shaft extends out of the mounting hole, and the upper end of the adjusting shaft is provided with a handle;
the bolt sleeve penetrates through the inner cage sleeve, a mounting groove is formed in the outer cage sleeve corresponding to the lower portion of the bolt sleeve, a strong spring is arranged in the mounting groove, a top plate is arranged on the strong spring, a top block is arranged on the top plate, and a plurality of positioning grooves corresponding to the top block are formed in the inner cage sleeve;
the inner cage can rotate in the outer cage, the adjusting shaft is pressed downwards and inserted into the bolt sleeve, the adjusting shaft is rotated by a certain angle to drive the inner cage, and the other group of flow holes on the inner cage is adopted for throttling control.
2. A straight-through cage type throttle valve according to claim 1, characterized in that: and scales corresponding to the flow hole groups are arranged on the hand wheel.
3. A straight-through cage type throttle valve according to claim 1, characterized in that: the inner ring of the plug pin sleeve is polygonal.
4. A straight-through cage type throttle valve according to claim 1, characterized in that: the adjusting shaft is internally provided with a camera which is connected with a display outside the valve body, and the outer cage sleeve and the inner cage sleeve are made of materials with different colors.
5. A straight-through cage type throttle valve according to claim 1, characterized in that: the adjusting shaft is characterized in that a positioning block is arranged on the side of the adjusting shaft, a positioning shaft sleeve is arranged in the mounting hole, a plurality of slide ways are arranged in the positioning shaft sleeve, and the positioning block is arranged in one of the slide ways.
6. The straight-through cage type throttle valve according to claim 4, wherein: the outer cage is made of stainless steel, and the inner cage is made of brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132124.XA CN114413000B (en) | 2022-02-14 | 2022-02-14 | Straight-through cage sleeve type throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132124.XA CN114413000B (en) | 2022-02-14 | 2022-02-14 | Straight-through cage sleeve type throttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114413000A CN114413000A (en) | 2022-04-29 |
| CN114413000B true CN114413000B (en) | 2023-01-31 |
Family
ID=81279681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132124.XA Active CN114413000B (en) | 2022-02-14 | 2022-02-14 | Straight-through cage sleeve type throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114413000B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065682A (en) * | 2015-09-07 | 2015-11-18 | 盐城工学院 | Cage sleeve type throttle valve |
| CN210890160U (en) * | 2019-09-23 | 2020-06-30 | 山东菲特自控阀门制造有限公司 | Series connection valve core double sealing surface multistage pressure reduction regulating valve |
| CN213017743U (en) * | 2020-07-30 | 2021-04-20 | 重庆西南气动液压有限责任公司 | Novel throttle valve |
| CN213899896U (en) * | 2020-10-12 | 2021-08-06 | 上海自动化仪表有限公司 | Sleeve regulating valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10605370B2 (en) * | 2018-01-05 | 2020-03-31 | Fisher Controls International Llc | Valve trim apparatus for use with control valves |
-
2022
- 2022-02-14 CN CN202210132124.XA patent/CN114413000B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065682A (en) * | 2015-09-07 | 2015-11-18 | 盐城工学院 | Cage sleeve type throttle valve |
| CN210890160U (en) * | 2019-09-23 | 2020-06-30 | 山东菲特自控阀门制造有限公司 | Series connection valve core double sealing surface multistage pressure reduction regulating valve |
| CN213017743U (en) * | 2020-07-30 | 2021-04-20 | 重庆西南气动液压有限责任公司 | Novel throttle valve |
| CN213899896U (en) * | 2020-10-12 | 2021-08-06 | 上海自动化仪表有限公司 | Sleeve regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114413000A (en) | 2022-04-29 |
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