CN223239754U - Adjustable double-stroke speed regulating valve - Google Patents
Adjustable double-stroke speed regulating valveInfo
- Publication number
- CN223239754U CN223239754U CN202422615142.0U CN202422615142U CN223239754U CN 223239754 U CN223239754 U CN 223239754U CN 202422615142 U CN202422615142 U CN 202422615142U CN 223239754 U CN223239754 U CN 223239754U
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- cylinder
- sleeve
- piston rod
- sealing
- cylinder sleeve
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Abstract
The utility model relates to the technical field of speed regulating valves, in particular to an adjustable double-stroke speed regulating valve which comprises a valve seat and a cylinder assembly arranged on the valve seat, wherein the cylinder seat assembly comprises a first cylinder sleeve, a second cylinder sleeve and a piston assembly arranged in the first cylinder sleeve and the second cylinder sleeve, a connecting block is arranged between the first cylinder sleeve and the second cylinder sleeve, a through hole is formed in the connecting block, the piston assembly comprises a piston rod and a sealing bracket arranged at one end of the piston rod, an adjusting sleeve is arranged on the first cylinder sleeve, a positioning nut is arranged on the adjusting sleeve, a ventilation plug is arranged at the front end of the adjusting sleeve, the adjusting sleeve stretches into the first cylinder sleeve to be in contact with the sealing bracket, and one end of the piston rod is positioned in the adjusting sleeve. The utility model has the advantages of simple valve adjusting, double-cylinder design, adjustable stroke, no need of frequent disassembly and assembly, automatic quick filling or slow filling, flexibility, practicability and convenient use.
Description
Technical Field
The utility model relates to the technical field of speed regulating valves, in particular to an adjustable double-stroke speed regulating valve.
Background
Under the general filling condition, the current limiting effect can be realized by adding the current limiting plate on the front end pipeline of the filling, but the current limiting plate realizes the adjusting effect through the size of the throttling hole and does not have the adjusting effect. In practical application, different liquid flows are matched according to different use occasions, when the flow rate is too fast in the filling process of the gas-containing beverage and the beer, gas in the gas-containing beverage and the beer is released to cause the phenomenon of reverse bubbling in the bottle after filling, in order to prevent reverse bubbling in the filling process, the prior art uses a speed regulating valve to reduce the filling speed, but the prior speed regulating valve needs to regulate the piston distance in the valve for different gas-containing beverages and the beer, the piston distance in the regulating valve needs to be disassembled and assembled again for the speed regulating valve, the flow rate is set according to the thickness of a buffer pad, the regulation is inconvenient, the buffer pad with different thickness needs to be disassembled for each regulating stroke, the sealing ring is worn and influenced by the sealing performance, and in addition, most of the speed regulating valves are controlled by one cylinder, the quick or slow passing of the control flow rate is realized by a precise stroke control technology, and the speed regulating valve is not durable in a mode of driving a diaphragm by gas to push, so that the problem of ageing of the piston rod is solved, and the prior speed regulating valve is not suitable for the filling in the stage of the high-speed piston rod.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the adjustable double-stroke speed regulating valve, which is positioned by the positioning nut, has the advantages of adjustable piston action range distance, simple valve regulation, double-cylinder design, adjustable stroke, realization of automatic quick filling or slow filling without frequent disassembly, abandonment of a driving diaphragm structure, and improvement of durability by using a sealing bracket and the like to replace the original diaphragm.
The technical scheme is that the adjustable double-stroke speed regulating valve comprises a valve seat and a cylinder assembly arranged on the valve seat, wherein the cylinder assembly comprises a first cylinder sleeve, a second cylinder sleeve and a piston assembly arranged in the first cylinder sleeve and the second cylinder sleeve, a connecting block is arranged between the first cylinder sleeve and the second cylinder sleeve, a through hole is formed in the connecting block, the piston assembly comprises a piston rod and a sealing support arranged at one end of the piston rod, an adjusting sleeve is arranged on the first cylinder sleeve, a positioning nut is arranged on the adjusting sleeve, a ventilation plug is arranged at the front end of the adjusting sleeve, the adjusting sleeve stretches into the first cylinder sleeve to be in contact with the sealing support, one end of the piston rod is positioned in the adjusting sleeve, the first cylinder sleeve is in sealing connection with the connecting block to form a first cylinder cavity, the second cylinder sleeve is in sealing connection with the connecting block to form a second cylinder cavity, one end of the piston rod, which is provided with the sealing support, passes through the through hole, and the other end of the piston rod passes through the second cylinder cavity to stretch into the valve seat.
Furthermore, in order to ensure the tightness in the valve, a sealing ring is arranged between the piston rod and the connecting block after penetrating through the connecting block, a nut is arranged after the piston rod penetrates through the sealing bracket, and a gasket is arranged on the piston rod between the sealing bracket and the nut.
Further, in order to ensure multi-stroke adjustment, a first air pipe joint is arranged outside the connecting block, an air passage communicated with the first air cylinder cavity is arranged inside the connecting block, and the air passage is communicated with the first air pipe joint.
Further, in order to ensure multi-stroke adjustment, a second air pipe connector is arranged on the second cylinder sleeve, an air channel communicated with the second cylinder cavity is further arranged in the second cylinder sleeve, and the second air pipe connector is communicated with the air channel.
Furthermore, in order to ensure that the speed regulating valve controls the sealing of the flow rate well, one end of the piston rod, which is positioned in the valve seat, is provided with a sealing diaphragm, and one end of the sealing diaphragm is fixed at the joint of the second cylinder sleeve and the valve seat and is sealed through an O-shaped sealing ring.
Further, in order to ensure smooth movement of the piston rod, the piston rod extends out of the second cylinder sleeve and a sleeve is arranged between the piston rod and the second cylinder sleeve.
Further, the valve seat is provided with a fluid inlet and a fluid outlet.
Furthermore, in order to ensure that the piston can realize multi-stroke control, a sealing stop block is arranged on a piston rod in the second cylinder cavity, a Gelai ring is arranged between the sealing stop block and the inner wall of the second cylinder sleeve, and a spring is arranged in front of the sealing stop block and the connecting block.
Further, the piston assembly can move radially in the first cylinder sleeve, the connecting block and the second cylinder sleeve.
The adjustable double-stroke speed regulating valve has the advantages that the adjustable double-stroke speed regulating valve comprises a valve seat and a cylinder assembly arranged on the valve seat, a piston assembly is arranged in the cylinder assembly, the cylinder assembly consists of two groups of cylinder sleeves and a connecting block, a first cylinder cavity is formed after the first cylinder sleeve is in sealing connection with the connecting block, a second cylinder cavity is formed after the second cylinder sleeve is in sealing connection with the connecting block, the piston assembly comprises a piston rod and a sealing bracket arranged at one end of the piston rod, an adjusting sleeve is arranged at one end of the first cylinder sleeve, a positioning nut used for adjusting the adjusting sleeve is arranged on the adjusting sleeve, the adjusting sleeve can be fixedly arranged on the adjusting sleeve, the adjusting sleeve is screwed into the first cylinder sleeve through threads to be in contact with a sealing bracket positioned in the first cylinder sleeve, when the two cylinder cavities are not ventilated, one end of the piston rod with a sealing diaphragm is extruded to a fluid inlet at the front end of the valve seat under the action of a spring to achieve a valve closing state, when high-pressure gas is filled in the first cylinder cavity, the sealing bracket is driven to move, the piston rod is driven to move, the valve state is slow, the stroke of the sealing bracket can be controlled to be limited by the adjusting sleeve to be displaced, the adjusting sleeve can be used for limiting the stroke of the adjusting sleeve, the adjusting sleeve can be accurately driven to move, and the piston rod can be accurately driven to move when the piston rod is driven to move, and the piston rod is in the cylinder to move. According to the utility model, the adjusting sleeve is positioned through the positioning nut, so that the piston action range distance is adjustable, the quick and slow filling selection can be realized only by simply adjusting the adjusting sleeve, the valve adjusting is simple, the double-cylinder design is realized, the stroke is adjustable, and the automatic quick filling or slow filling can be realized without frequent disassembly and assembly.
Drawings
For ease of illustration, the utility model is described in detail by the following preferred embodiments and the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of an adjustable double-stroke speed valve of the present utility model;
FIG. 2 is a schematic view of the structure of an adjustable double-stroke speed valve in a slow state according to the present utility model;
FIG. 3 is a schematic view of the structure of an adjustable double stroke speed valve of the present utility model in a fast state;
FIG. 4 is a schematic view of the structure of the adjustable double-stroke speed valve in the valve closing state.
In the figure, a valve seat 1, a cylinder assembly 2, a first cylinder sleeve 3, a second cylinder sleeve 4, a piston assembly 5, a connecting block 6, a through hole 61, a piston rod 51, a sealing bracket 52, an adjusting sleeve 7, a positioning nut 71, a ventilation plug 72, a first cylinder chamber 31, a second cylinder chamber 41, a sealing ring 8, a nut 53, a gasket 54, a first air pipe joint 62, an air passage 63, a second air pipe joint 42, an air passage 43, a sealing diaphragm 511, an O-shaped sealing ring 9, a sleeve 44, a fluid inlet 11, a fluid outlet 12, a sealing stop 55, a Gelai circle 551, a spring 552 and a long screw 10 are shown.
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.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, hermetically connected, indirectly connected via an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The following further describes an adjustable double-stroke speed regulating valve according to the utility model with reference to the accompanying drawings:
The adjustable double-stroke speed regulating valve comprises a valve seat 1 and a cylinder assembly 2 arranged on the valve seat 1, wherein the valve seat 1 is fixedly connected with the cylinder assembly 2 through long screws 10, the cylinder assembly 2 comprises a first cylinder sleeve 3, a second cylinder sleeve 4 and a piston assembly 5 arranged in the first cylinder sleeve 3 and the second cylinder sleeve 4, a connecting block 6 is arranged between the first cylinder sleeve 3 and the second cylinder sleeve 4, the first cylinder sleeve 3, the second cylinder sleeve 4 and the connecting block 6 are fixedly connected through the long screws 10, a through hole 61 is formed in the connecting block 6, the piston assembly 5 can move in the first cylinder sleeve 3, the connecting block 6 and the second cylinder sleeve 4, the first cylinder sleeve 3 is in sealing connection with the connecting block 6 to form a first cylinder cavity 31, the second cylinder sleeve 4 is in sealing connection with the connecting block 6 to form a second cylinder cavity 41, and the maximum stroke distance in the first cylinder cavity 31 is smaller than the maximum stroke distance in the second cylinder cavity 41, and the maximum stroke distance is the effective stroke distance of a sealing bracket in the first cylinder cavity and the effective stroke distance of a sealing block in the second cylinder cavity;
In this embodiment, a first air pipe joint 62 is further arranged outside the connecting block 6, an air passage 63 communicated with the first air cylinder cavity 31 is arranged inside the connecting block, the air passage 63 is communicated with the first air pipe joint 62, high-pressure air can be injected into the first air cylinder cavity through the first air pipe joint so as to push the piston to move, a second air pipe joint 42 is arranged on the second cylinder sleeve 4, an air channel 43 communicated with the second air cylinder cavity 41 is further arranged in the second cylinder sleeve 4, the second air pipe joint 42 is communicated with the air channel 43, and high-pressure air can be injected into the second air cylinder cavity through the second air pipe joint so as to realize multi-stroke movement of the piston assembly.
In this embodiment, the piston assembly 5 includes a piston rod 51 and a seal bracket 52 mounted at one end of the piston rod 51, the seal bracket 52 and the piston rod 51 are sealed by a sealing ring (not labeled), the piston rod 51 is provided with a nut 53 through the seal bracket 52, a gasket 54 capable of adjusting the stroke is arranged on the piston rod between the seal bracket 52 and the nut 53, the seal bracket can move on the piston rod, the seal bracket and the piston rod are sealed by the sealing ring, the gasket can be finely adjusted by the distance between the nut and the seal bracket in advance, the stroke of the piston rod is finely adjusted by the gasket, the stroke is not finely adjusted before leaving the factory, one end of the piston rod 51 provided with the seal bracket 52 is positioned in the first cylinder cavity 31 through the through hole 61, the other end of the piston rod 51 is extended into the valve seat 1 through the second cylinder cavity 41, the piston rod 51 extends out of the second cylinder sleeve 4 and is provided with a sleeve 44 capable of reducing friction with the second cylinder sleeve 4, at the same time, the position of the piston rod 51 passing through the second cylinder sleeve 4 is sealed by the sealing ring 8, the inner wall of the seal bracket and the first cylinder sleeve is sealed by the sealing ring 8;
The sealing diaphragm 511 is arranged at one end of the piston rod 51 positioned in the valve seat 1, one end of the sealing diaphragm 511 is fixed at the joint of the second cylinder sleeve 3 and the valve seat 1 and is sealed by the O-shaped sealing ring 9, so that the sealing performance is improved;
An adjusting sleeve 7 is arranged on one side of the first cylinder sleeve 3, a positioning nut 71 is arranged on the adjusting sleeve 7, a ventilation plug 72 is arranged at the front end of the adjusting sleeve 7, the adjusting sleeve 7 stretches into the first cylinder sleeve 3 to be in contact with the sealing support 52, the sealing support is propped against the sealing support, so that the limiting effect on a piston rod is realized, one end of the piston rod 51 is positioned in the adjusting sleeve 7, the adjusting sleeve is controlled in a central mode, the piston rod is not blocked in the adjusting sleeve again, the action amplitude of the piston assembly is adjusted through the adjusting sleeve, the positioning nut is used for positioning the adjusting sleeve, the distance of the adjusting sleeve is adjustable, the stroke of the piston can be controlled, and the valve adjusting mode is simple and convenient;
In the embodiment, the piston rod 51 passes through the connecting block 6 and is provided with a sealing ring 8 between the piston rod and the connecting block 61 to enhance the tightness, the valve seat 1 is provided with a fluid inlet 11 and a fluid outlet 12, and the sealing diaphragm can seal the fluid inlet 11 when the valve is closed, so that the valve is opened and closed.
In this embodiment, in order to provide the sealing stop block 55 on the piston rod 51 in the second cylinder cavity 41, a sealing space is formed between the sealing stop block 55 and the inner wall of the second cylinder liner 4 by the gray ring 551, and a spring 552 is provided before the sealing stop block 55 and the connecting block 6, when the first cylinder cavity and the second cylinder cavity are not ventilated, the piston stretches out in normal state, and the piston rod is pressed to the valve closing state by the spring.
Working principle:
In the slow filling state, as shown in fig. 2, the first cylinder cavity is ventilated, the second cylinder cavity is not ventilated, the action amplitude of the piston rod is positioned by a positioning nut, the travel distance of the piston rod is adjustable by adjusting an adjusting sleeve, when the adjusting sleeve is rotated inwards to be positioned, the distance between the adjusting sleeve and a sealing support is reduced, the effective movement travel of the piston rod is reduced, after the adjusting sleeve is rotated outwards to be positioned, the distance between the adjusting sleeve and the sealing support is increased, the effective movement travel of the piston rod is increased, thereby realizing the adjustment of the travel, adjusting the valve in a slow state, and the positioning nut on the adjusting sleeve plays a role in fixing the adjustment distance of the adjusting sleeve;
In the quick filling state, as shown in fig. 3, the adjusting sleeve is adjusted to the lowest end and the sealing support is fixed, then the second cylinder cavity is ventilated, the sealing stop block and the second cylinder cavity are sealed, the piston rod is displaced to the left after exceeding the elastic limit of the spring under the driving of air pressure, the displacement action amplitude of the piston rod reaches the maximum stroke, and the distance between the sealing diaphragm and the junction of the fluid inlet 11 and the fluid outlet 12 is the maximum, so that the quick filling is realized;
In the valve closing state, as shown in fig. 4, the first cylinder cavity and the second cylinder cavity are not ventilated, the piston rod is extruded to the valve closing state by the spring, and the sealing diaphragm at the front end of the piston rod extends out of the sealing fluid inlet 11 to realize valve closing.
The utility model discloses an adjustable double-stroke speed regulating valve, which comprises a valve seat and a cylinder assembly arranged on the valve seat, wherein the cylinder assembly is internally provided with a piston assembly, the cylinder assembly consists of two groups of cylinder sleeves and a connecting block, a first cylinder cavity is formed after the first cylinder sleeve is in sealing connection with the connecting block, a second cylinder cavity is formed after the second cylinder sleeve is in sealing connection with the connecting block, the piston assembly comprises a piston rod and a sealing bracket arranged at one end of the piston rod, an adjusting sleeve is arranged at one end of the first cylinder sleeve, a positioning nut used for adjusting the adjusting sleeve is arranged on the adjusting sleeve, the adjusting sleeve can be fixed through the positioning nut, the adjusting sleeve is screwed into the first cylinder sleeve to be in contact with a sealing bracket positioned in the first cylinder sleeve through threads, when the two cylinder cavities are not in ventilation, one end of a piston rod with a sealing diaphragm is extruded to a fluid inlet at the front end of the valve seat under the action of a spring to achieve a valve closing state, when the first cylinder cavity is filled with high-pressure gas, the sealing bracket is driven to move, at the moment, the valve state is slow, the adjusting sleeve can be limited to be displaced, the adjusting sleeve can be used for controlling the speed of the adjusting sleeve, the adjusting sleeve can be controlled, the adjusting sleeve can be limited to be in a displacement state, and the adjusting sleeve can be accurately controlled, and the adjusting valve can be driven to move, when the piston rod is driven to move, and the piston rod can move in the sealing cavity to move. According to the utility model, the adjusting sleeve is positioned through the positioning nut, so that the piston action range distance is adjustable, the quick and slow filling selection can be realized only by simply adjusting the adjusting sleeve, the valve adjusting is simple, the double-cylinder design is simple, the stroke is adjustable, the automatic quick filling or slow filling can be realized without frequent disassembly and assembly, and the automatic quick filling or slow filling device is smart and practical and is convenient to use.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The adjustable double-stroke speed regulating valve is characterized by comprising a valve seat and a cylinder assembly arranged on the valve seat, wherein the cylinder assembly comprises a first cylinder sleeve, a second cylinder sleeve and a piston assembly arranged in the first cylinder sleeve and the second cylinder sleeve, a connecting block is arranged between the first cylinder sleeve and the second cylinder sleeve, a through hole is formed in the connecting block, the piston assembly comprises a piston rod and a sealing support arranged at one end of the piston rod, an adjusting sleeve is arranged on the first cylinder sleeve, a positioning nut is arranged on the adjusting sleeve, a ventilation plug is arranged at the front end of the adjusting sleeve, the adjusting sleeve stretches into the first cylinder sleeve to be in contact with the sealing support, one end of the piston rod is positioned in the adjusting sleeve, the first cylinder sleeve is in sealing connection with the connecting block to form a first cylinder cavity, the second cylinder sleeve is in sealing connection with the connecting block to form a second cylinder cavity, one end of the piston rod, which is provided with the sealing support, and the other end of the piston rod penetrates through the second cylinder cavity to stretch into the valve seat.
2. The adjustable double-stroke speed regulating valve of claim 1, wherein the piston rod penetrates through the connecting block and is provided with a sealing ring between the connecting block and the piston rod, the piston rod penetrates through the sealing support and is provided with a nut, and a gasket is arranged on the piston rod between the sealing support and the nut.
3. The adjustable double-stroke speed regulating valve of claim 1, wherein the connecting block is provided with a first air pipe joint at the outside and an air passage communicated with the first air cylinder cavity at the inside, and the air passage is communicated with the first air pipe joint.
4. The adjustable double-stroke speed regulating valve of claim 1, wherein the second cylinder sleeve is provided with a second air pipe joint, an air passage communicated with a second cylinder cavity is further arranged in the second cylinder sleeve, and the second air pipe joint is communicated with the air passage.
5. The adjustable double-stroke speed regulating valve of claim 1, wherein one end of the piston rod, which is positioned in the valve seat, is provided with a sealing diaphragm, and one end of the sealing diaphragm is fixed at the joint of the second cylinder sleeve and the valve seat and is sealed by an O-shaped sealing ring.
6. The adjustable double-stroke speed valve of claim 1, wherein the piston rod extends out of the second cylinder sleeve and a sleeve is arranged between the piston rod and the second cylinder sleeve.
7. The valve of claim 5, wherein the valve seat is provided with a fluid inlet and a fluid outlet.
8. The adjustable double-stroke speed regulating valve of claim 1, wherein a sealing stop block is arranged on a piston rod in the second cylinder cavity, a Gelai ring is arranged between the sealing stop block and the inner wall of the second cylinder sleeve, and a spring is arranged in front of the sealing stop block and the connecting block.
9. The adjustable double-stroke speed valve of claim 8, wherein the sealing support is located in the first cylinder chamber and the sealing stop is located in the second cylinder chamber, and wherein the maximum effective stroke distance of the sealing support in the first cylinder chamber is smaller than the maximum stroke distance of the sealing stop in the second cylinder chamber.
10. The valve of claim 1, wherein the piston assembly is radially movable within the first cylinder liner, the connecting block, and the second cylinder liner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420103163 | 2024-01-16 | ||
| CN2024201031631 | 2024-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223239754U true CN223239754U (en) | 2025-08-19 |
Family
ID=96728518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422615142.0U Active CN223239754U (en) | 2024-01-16 | 2024-10-29 | Adjustable double-stroke speed regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223239754U (en) |
-
2024
- 2024-10-29 CN CN202422615142.0U patent/CN223239754U/en active Active
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