CN117759757A - Valve device with weight control system - Google Patents

Abstract

The invention discloses a valve device with a weight control system, which relates to the technical field of valves and comprises a shell, wherein the top of the shell is fixedly connected with a shell cover through a hexagonal screw, a sliding cylinder provided with a water discharge hole is arranged on the inner wall of a first pipe body in a sliding manner so as to conveniently push the sliding cylinder to expose the water discharge hole through a medium flowing in the shell, and the sliding cylinder can also be directly driven by an electric push rod to move so as to adjust the quantity of the exposed water discharge holes, so that the size of the medium flow is conveniently adjusted.

Description

Valve device with weight control system

Technical Field

The invention relates to the technical field of valves, in particular to a valve device with a weight control system.

Background

Pressure regulating valves are used in high-pressure technology to mitigate pressure fluctuations in high-pressure systems, for example, as a result of high-pressure consumers, such as high-pressure spray guns, being switched on or off. In addition, such pressure regulating valves are used to control pressure, for example, pressure build-up or pressure drop with a predetermined pressure gradient.

In addition to their use in high-pressure technology, such pressure regulating valves can also be used, for example, for homogenizing media in process engineering. In this application, the homogenization of the medium conveyed through the pressure control valve is effected within the throttle range of the pressure control valve in such a way that the viscosity or consistency of the medium is influenced.

Such pressure regulating valves generally have a valve housing with an inlet channel and at least one outlet channel for the passage of a fluid medium at system pressure. The valve seat is arranged in a valve housing, in which the valve body (also referred to as a control pin) is mounted in an axially movable manner, and in which the valve seat can be adjusted by means of a brake unit in such a way that the valve body moves out of the valve seat as a result of an increase in the system pressure, so that a corresponding amount of fluid medium can flow out via the pressure regulating valve until the system pressure again drops to a predetermined level.

For example, the Chinese patent publication No. CN116293013A discloses the following technical scheme: a pressure regulating valve, the pressure regulating valve comprising: the valve body defines a regulating cavity and a fluid channel, the regulating cavity is communicated with an outlet of the fluid channel through a pressure relief channel, and a through-flow port is arranged in the fluid channel and is used for communicating an inlet of the fluid channel with an outlet of the fluid channel; a first seal assembly separating the conditioning chamber from the fluid passage; the valve core assembly is used for opening and closing the overflow port, is movably arranged in the valve body and is connected with the first sealing assembly, wherein the first sealing assembly comprises a first corrugated pipe which is telescopic along the moving direction of the valve core assembly, one end of the first corrugated pipe is matched with the valve body, and the other end of the first corrugated pipe is matched with the valve core assembly. The pressure regulating valve provided by the embodiment of the invention has the advantages of regulating the flow rate of fluid medium circulation according to the received pressure, avoiding gas leakage in the pressure regulating valve and the like.

The following problems exist in the prior art:

when in actual use, the pressure of flowing medium in a valve pipeline suddenly rises, and when the pressure cannot be released in time, the control valve is easy to fail or leak, and the valve with automatic pressure release protection is absent, so that the valve device with the weight control system is provided.

Disclosure of Invention

The present invention provides a valve device with a weight control system to solve the above-mentioned problems.

In order to solve the technical problems, the invention adopts the following technical scheme:

the valve device with the weight control system comprises a shell, wherein the top of the shell is fixedly connected with a shell cover through a hexagonal screw;

the front surface of the outer wall of the shell is fixedly provided with an inlet pipe and is communicated with the inside of the shell, and two sides of the outer wall of the shell are fixedly provided with pressure self-regulating pipes and are communicated with the inside of the shell;

the inner wall fixed mounting of casing has the closure ring, the both sides of closure ring inner wall are provided with the sealing plug, the sealing plug is used for cooperating the closure ring to cut off the fluid, two sets of be connected with between the sealing plug and be used for supporting the connecting seat of fixed sealing plug, the top of cap is provided with the hand wheel, the top of connecting seat runs through cap and hand wheel fixed connection through the pivot.

By adopting the technical scheme, the sealing plug on the connecting seat is driven by the rotating hand wheel to seal the inner wall of the intercepting ring, so that the flow stopping action of water flow is conveniently controlled, and the flow of the water flow in the pressure self-regulating pipe is conveniently controlled.

The technical scheme of the invention is further improved as follows: the top of the shell cover is provided with a sealing ring at the position below the hand wheel, and the sealing ring is used for enhancing the tightness of the joint of the rotating shaft and the shell cover.

By adopting the technical scheme, the sealing performance of the joint of the rotating shaft and the shell cover can be enhanced by arranging the sealing ring, and the situation that the joint of the rotating shaft and the shell cover is leaked due to overlarge internal pressure of the shell is avoided.

The technical scheme of the invention is further improved as follows: the top fixed mounting of cap has the manometer, the inductive head of manometer sets up the inside at the casing of casing, the manometer is used for detecting the inside pressure of casing.

By adopting the technical scheme, the pressure gauge is arranged to conveniently detect the pressure inside the shell, so that the medium flowing state of the shell is conveniently observed, and the situation that the structure is damaged due to overhigh pressure is avoided.

The technical scheme of the invention is further improved as follows: the two sides of the closure ring are respectively provided with a connecting hole, and the connecting holes are used for communicating the shell and the pressure self-regulating pipe.

By adopting the technical scheme, the pressure self-adjusting pipe is conveniently connected by arranging the connecting holes.

The technical scheme of the invention is further improved as follows: and a conical sealing groove is formed in the position of the inner wall of the closure ring, which is positioned in the connecting hole.

By adopting the technical scheme, the sealing plug is easier to contact with the inner wall of the conical sealing groove when in sealing by arranging the conical sealing groove.

The technical scheme of the invention is further improved as follows: the sealing plug comprises a cylinder, a sliding column, a conical sealing head and a first spring, wherein the sliding column is connected to the inner wall of the cylinder in a sliding mode, the first spring is fixedly connected to the position between the sliding column and the inner wall of the cylinder, the conical sealing head is fixedly connected to one end of the sliding column, and the shape of the outer wall of the conical sealing head and the shape of the inner wall of the conical sealing groove are the same as those of the inner wall of the conical sealing groove.

Adopt above-mentioned technical scheme, this scheme is through setting up the mode of traveller at drum inner wall sliding connection to the convenience promotes the outside extension to the drum of toper seal head on the traveller through the tension of first spring, when making the sealing plug slide to the position of toper seal groove, the inner wall of toper seal groove can be automatically slided into to the toper seal head, seals, and because the contact surface of toper seal head and toper seal groove is the toper setting, makes there are more area of contact, with the leakproofness of the position of increase contact.

The technical scheme of the invention is further improved as follows: the pressure self-adjusting pipe comprises a first pipe body, a second pipe body, a sliding barrel, a drain hole, a supporting frame, an electric push rod and a second spring, wherein the first pipe body is fixedly connected with one end of the second pipe body, the sliding barrel is slidably connected with the inner wall of the first pipe body, the drain hole is formed in the wall of the sliding barrel, the supporting frame is fixedly connected with one end of the inner wall of the second pipe body, the electric push rod is fixedly connected with one side of the supporting frame, and one end of the electric push rod is fixedly connected with the sliding barrel.

By adopting the technical scheme, the sliding barrel provided with the drain hole is arranged on the inner wall of the first pipe body in a sliding manner, so that the drain hole is conveniently exposed by pushing the sliding barrel through the medium flowing in the shell, the medium can flow, the sliding barrel can be driven to move by the electric push rod, the quantity of the exposed drain holes is adjusted, and the medium flow is conveniently adjusted.

The technical scheme of the invention is further improved as follows: the second spring is movably sleeved on the outer wall of the electric push rod.

By adopting the technical scheme, the electric push rod is not automatically locked in the unpowered state and can freely stretch and retract, so that the second spring is used as a sliding cylinder to be supported when the electric push rod is not electrified, and the second spring is compressed to expose more drain holes to accelerate the flow of a medium when the pressure of the shell is increased due to the fact that the tension of the second spring is used as the support, and the sliding cylinder is gradually pushed in again by the tension of the second spring when the pressure is reduced so as to adjust the flow, thereby achieving the purpose of automatically adjusting the flow and avoiding the condition that a valve is invalid or leaks when the pressure cannot be released timely.

By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:

1. the invention provides a valve device with a weight control system, which is characterized in that a hand wheel is rotated to drive a sealing plug on a connecting seat to seal the inner wall of a closure ring so as to conveniently control the flow stopping action of water flow, so as to conveniently control the flow of the water flow in a pressure self-regulating pipe, and the tapered sealing head on a sliding column is pushed to extend to the outside of a cylinder by the tension of a first spring in a sliding connection mode by arranging the sliding column on the inner wall of the cylinder, so that when the sealing plug slides to the position of the tapered sealing groove, the tapered sealing head automatically slides into the inner wall of the tapered sealing groove to seal, and the contact surface of the tapered sealing head and the tapered sealing groove is in tapered arrangement so as to have more contact area, thereby improving the sealing performance of the contact position.

2. The invention provides a valve device with a weight control system, which is characterized in that a sliding cylinder provided with a drain hole is arranged on the inner wall of a first pipe body in a sliding manner, so that the sliding cylinder is conveniently pushed by a medium flowing in the shell to expose the drain hole, the medium flows, and the sliding cylinder can be directly driven to move by an electric push rod to adjust the quantity of the exposed drain holes, so that the flow rate of the medium is conveniently adjusted.

3. The invention provides a valve device with a weight control system, because an electric push rod is not automatically locked and can freely stretch and retract in a non-energized state, a second spring is used as a sliding cylinder to be supported in the non-energized state, and the sliding cylinder can compress the second spring to expose more drain holes to accelerate the flow of a medium when the pressure of a shell is increased because the tension of the second spring is used as a support, and the sliding cylinder can be gradually pushed in again by the tension of the second spring when the pressure is reduced so as to adjust the flow, thereby achieving the purpose of automatically adjusting the flow and avoiding the condition that the valve is invalid or leaked when the pressure is not released in time.

Drawings

FIG. 1 is a front view of a valve assembly having a weight control system according to the present invention;

FIG. 2 is a partial cross-sectional view of a valve assembly having a weight control system according to the present invention;

FIG. 3 is a schematic view of a valve apparatus closure ring with a weight control system according to the present invention;

FIG. 4 is a partial cross-sectional view of a valve device sealing plug with a weight control system of the present invention;

FIG. 5 is a partial cross-sectional view of a valve apparatus pressure self-regulating tube having a weight control system according to the present invention;

fig. 6 is an enlarged view of a valve assembly with a weight control system according to the present invention at a.

In the figure: 1. a housing; 11. a cover; 12. a hexagonal screw; 13. a seal ring; 14. a pressure gauge; 15. a hand wheel; 16. a connecting seat; 17. a sealing plug; 171. a cylinder; 172. a spool; 173. a conical sealing head; 174. a first spring; 18. a closure ring; 181. a connection hole; 182. a conical seal groove; 2. an inlet tube; 3. a pressure self-regulating tube; 31. a first tube body; 32. a second tube body; 33. a slide cylinder; 331. a drain hole; 34. a support frame; 35. an electric push rod; 36. and a second spring.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments.

Example 1

As shown in fig. 1, 2, 3, 4, 6, the invention provides a valve device with a weight control system, which comprises a shell 1, wherein the top of the shell 1 is fixedly connected with a shell cover 11 through a hexagonal screw 12, the front surface of the outer wall of the shell 1 is fixedly provided with an inlet pipe 2 and communicated with the inside of the shell 1, two sides of the outer wall of the shell 1 are fixedly provided with pressure self-regulating pipes 3 and communicated with the inside of the shell 1, the inner wall of the shell 1 is fixedly provided with a closure ring 18, two sides of the inner wall of the closure ring 18 are provided with sealing plugs 17, the sealing plugs 17 are used for closing the fluid in cooperation with the closure ring 18, a connecting seat 16 for supporting and fixing the sealing plugs 17 is connected between the two groups of sealing plugs 17, a hand wheel 15 is arranged above the shell cover 11, the top of the connecting seat 16 is fixedly connected with the hand wheel 15 through a rotating shaft shell cover 11, the sealing plugs 17 on the connecting seat 16 are driven by rotating the hand wheel 15 to seal the inner wall of the closure ring 18, the sealing ring 13 is arranged at the position of the top of the shell cover 11 below the hand wheel 15, the sealing ring 13 is used for enhancing the sealing property of the joint of the rotating shaft and the shell cover 11, the scheme can enhance the sealing property of the joint of the rotating shaft and the shell cover 11 by arranging the sealing ring 13, and avoid the condition that the joint of the rotating shaft and the shell cover 11 leaks due to overlarge internal pressure of the shell 1, the pressure gauge 14 is fixedly arranged at the top of the shell cover 11, the induction head of the pressure gauge 14 is arranged in the shell 1, the pressure gauge 14 is used for detecting the pressure in the shell 1, the scheme is convenient for detecting the pressure in the shell 1 by arranging the pressure gauge 14, so as to observe the medium flowing state of the shell 1, in order to avoid the condition that the structure is damaged that causes the pressure to appear too high, the connecting hole 181 has been seted up respectively to the both sides of closure ring 18, the connecting hole 181 is used for intercommunication casing 1 and pressure self-regulating pipe 3, this scheme is through setting up connecting hole 181 and conveniently connect pressure self-regulating pipe 3, conical seal groove 182 has been seted up to the position that closure ring 18 inner wall is in connecting hole 181, this scheme is through setting up conical seal groove 182 mode, make the sealing plug 17 contact conical seal groove 182's inner wall more easily when sealed, sealing plug 17 comprises barrel 171, the strut 172, conical seal head 173, first spring 174 constitutes, strut 172 sliding connection is at the inner wall of barrel 171, first spring 174 fixed connection is in the position between strut 172 and barrel 171 inner wall, conical seal head 173 fixed connection is in the one end of strut 172, the shape of conical seal head 173 outer wall and the shape of conical seal groove 182 inner wall, this scheme is through setting up the mode of strut 172 at barrel 171 inner wall sliding connection, in order to conveniently promote conical seal head 173 on the tensioning through first spring 174 and extend to the outside of barrel 171, make automatic sealing plug 17 to the conical seal groove 182's position when automatic, conical seal plug 173 can be contacted with conical seal groove 173, the conical seal head's inner wall 173 can be more contact with conical seal groove 173, and conical seal groove contact area can be had.

In this embodiment, the sealing plug 17 on the connecting seat 16 is driven by rotating the hand wheel 15 to seal the inner wall of the closure ring 18, so as to control the flow stopping action of the water flow conveniently, so as to control the flow of the water flow in the pressure self-adjusting pipe 3 conveniently, and by arranging the sliding pillar 172 in a sliding connection manner on the inner wall of the cylinder 171, the tapered sealing head 173 on the sliding pillar 172 is pushed to extend towards the outside of the cylinder 171 conveniently by the tension of the first spring 174, so that when the sealing plug 17 slides to the position of the tapered sealing groove 182, the tapered sealing head 173 automatically slides into the inner wall of the tapered sealing groove 182 to seal, and as the contact surface of the tapered sealing head 173 and the tapered sealing groove 182 is in a tapered arrangement, more contact area exists, so that the tightness of the contact position is increased.

Example 2

As shown in fig. 1 and 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the pressure self-adjusting pipe 3 is composed of a first pipe body 31, a second pipe body 32, a sliding cylinder 33, a drain hole 331, a supporting frame 34, an electric push rod 35 and a second spring 36, wherein the first pipe body 31 is fixedly connected with one end of the second pipe body 32, the sliding cylinder 33 is slidably connected with the inner wall of the first pipe body 31, the drain hole 331 is formed in the wall of the sliding cylinder 33, the supporting frame 34 is fixedly connected with one end of the inner wall of the second pipe body 32, the electric push rod 35 is fixedly connected with one side of the supporting frame 34, one end of the electric push rod 35 is fixedly connected with the sliding cylinder 33, the sliding cylinder 33 provided with the drain hole 331 is arranged in the inner wall of the first pipe body 31 in a sliding manner, so that the sliding cylinder 33 is conveniently pushed by media flowing in the shell 1 to expose the drain hole 331, the sliding cylinder 33 can be directly driven by the electric push rod 35 to move, and the quantity of the exposed drain hole 331 can be adjusted, so that the medium flow can be conveniently adjusted.

In this embodiment, the sliding cylinder 33 provided with the drain hole 331 is disposed on the inner wall of the first pipe body 31 in a sliding manner, so that the sliding cylinder 33 is pushed by the medium flowing in the casing 1 to expose the drain hole 331, and the medium flows, and the sliding cylinder 33 can be directly driven to move by the electric push rod 35, so that the number of the exposed drain holes 331 can be adjusted, and the flow rate of the medium can be conveniently adjusted.

Example 3

As shown in fig. 1 and 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the second spring 36 is movably sleeved on the outer wall of the electric push rod 35, and the electric push rod 35 is not automatically locked and can freely stretch and retract in the non-energized state, so that the second spring 36 is used as the support of the sliding cylinder 33, and when the pressure of the shell 1 is increased by using the tension of the second spring 36 as the support, the sliding cylinder 33 compresses the second spring 36 to expose more water draining holes 331 to accelerate the flow of the medium, and when the pressure is reduced, the tension of the second spring 36 gradually pushes the sliding cylinder 33 again to adjust the flow, thereby achieving the purpose of automatically adjusting the flow and avoiding the condition that the valve is invalid or leaks when the pressure cannot be timely released.

In this embodiment, since the electric push rod 35 is not automatically locked and can freely expand and contract in the non-energized state, the second spring 36 is used as the support of the slide cylinder 33 when the electric push rod is not energized, and the second spring 36 is used as the support by the tension of the second spring 36, so that when the pressure of the casing 1 becomes large, the slide cylinder 33 compresses the second spring 36 to expose more drain holes 331 to accelerate the flow of the medium, and when the pressure becomes small, the tension of the second spring 36 gradually pushes the slide cylinder 33 again to adjust the flow, thereby achieving the purpose of automatically adjusting the flow, and avoiding the condition that the valve fails or leaks when the pressure cannot be released timely.

The following is a detailed description of the operation of a valve assembly having a weight control system.

As shown in fig. 1-6, the sealing plug 17 on the connecting seat 16 is driven by rotating the hand wheel 15 to seal the inner wall of the closure ring 18, so as to conveniently control the flow of water flow in the pressure self-regulating pipe 3, and by arranging the sliding column 172 in a sliding connection manner on the inner wall of the cylinder 171, so as to conveniently push the conical sealing head 173 on the sliding column 172 to extend to the outside of the cylinder 171 by the tension of the first spring 174, when the sealing plug 17 slides to the position of the conical sealing groove 182, the conical sealing head 173 automatically slides into the inner wall of the conical sealing groove 182 to seal, and as the contact surface of the conical sealing head 173 and the conical sealing groove 182 is in a conical shape, more contact area is formed, so as to increase the tightness of the contact position, by arranging the sliding cylinder 33 with the water drain hole 331 on the inner wall of the first pipe 31, so as to conveniently push the sliding cylinder 33 to expose the water drain hole 331 by the medium flowing in the housing 1, so as to enable the medium to flow by the sliding cylinder 33 to be directly driven by the electric push rod 35, the quantity of the adjusted water drain hole 331 is convenient, when the electric push rod 35 slides to the position is large, and when the electric push rod 35 is not in the state of the second spring 33 is in the state of being in which the automatic compression hole 33 is not in contact, the second spring 33 is in the state of being gradually changed, and the pressure is not in the state of being compressed, and the compression, the second spring 33 is in the state of being automatically adjusted, and the pressure is gradually changed, and the pressure is in the state of the compression hole is automatically compressed by the tension spring 36, and the condition that the valve is invalid or leaks when the pressure cannot be released in time is avoided.

Claims (8)

1. Valve device with weight control system, comprising a housing (1), characterized in that: the top of the shell (1) is fixedly connected with a shell cover (11) through a hexagonal screw (12);

the front of the outer wall of the shell (1) is fixedly provided with an inlet pipe (2) and is communicated with the inside of the shell (1), and two sides of the outer wall of the shell (1) are fixedly provided with pressure self-regulating pipes (3) and are communicated with the inside of the shell (1);

the utility model discloses a fluid shutoff valve, including casing (1), sealing plug (17), connecting seat (16) that are used for supporting fixed sealing plug (17) are connected with between sealing plug (17), the top of casing cover (11) is provided with hand wheel (15), the top of connecting seat (16) runs through casing cover (11) and hand wheel (15) fixed connection through the pivot in the both sides of casing (1) inner wall are provided with sealing plug (17), sealing plug (17) are used for cooperating sealing plug (18) to shut off the fluid.

2. A valve assembly having a weight control system as set forth in claim 1, wherein: the top of the shell cover (11) is provided with a sealing ring (13) at a position below the hand wheel (15), and the sealing ring (13) is used for enhancing the tightness of the joint of the rotating shaft and the shell cover (11).

3. A valve assembly having a weight control system as set forth in claim 1, wherein: the top fixed mounting of cap (11) has manometer (14), the inside of casing (1) at the inductive head setting of manometer (14), manometer (14) are used for detecting the inside pressure of casing (1).

4. A valve assembly having a weight control system as set forth in claim 1, wherein: connecting holes (181) are respectively formed in two sides of the closure ring (18), and the connecting holes (181) are used for communicating the shell (1) and the pressure self-regulating pipe (3).

5. A valve assembly having a weight control system as set forth in claim 1, wherein: a conical sealing groove (182) is formed in the position, located in the connecting hole (181), of the inner wall of the closure ring (18).

6. A valve assembly having a weight control system as set forth in claim 5, wherein: the sealing plug (17) comprises a cylinder (171), a sliding column (172), a conical sealing head (173) and a first spring (174), wherein the sliding column (172) is slidably connected to the inner wall of the cylinder (171), the first spring (174) is fixedly connected to the position between the sliding column (172) and the inner wall of the cylinder (171), the conical sealing head (173) is fixedly connected to one end of the sliding column (172), and the shape of the outer wall of the conical sealing head (173) and the shape of the inner wall of the conical sealing groove (182) are the same.

7. A valve assembly having a weight control system as set forth in claim 1, wherein: the pressure self-adjusting pipe (3) comprises a first pipe body (31), a second pipe body (32), a sliding cylinder (33), a drain hole (331), a supporting frame (34), an electric push rod (35) and a second spring (36), wherein the first pipe body (31) is fixedly connected with one end of the second pipe body (32), the sliding cylinder (33) is slidably connected with the inner wall of the first pipe body (31), the drain hole (331) is formed in the wall of the sliding cylinder (33), the supporting frame (34) is fixedly connected with one end of the inner wall of the second pipe body (32), the electric push rod (35) is fixedly connected with one side of the supporting frame (34), and one end of the electric push rod (35) is fixedly connected with the sliding cylinder (33).

8. A valve assembly having a weight control system as set forth in claim 7, wherein: the second spring (36) is movably sleeved on the outer wall of the electric push rod (35).