CN214838669U

CN214838669U - Pressure regulating valve capable of reducing hydraulic impact

Info

Publication number: CN214838669U
Application number: CN202121668031.6U
Authority: CN
Inventors: 董晓清; 龚静
Original assignee: Shanghai Miles Valve Manufacturing Co ltd
Current assignee: Shanghai Miles Valve Manufacturing Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-23
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a pressure regulating valve capable of reducing hydraulic impact in the technical field of pressure regulating valves, which comprises a valve body, wherein the bottom end of the valve body is provided with an actuating mechanism, the actuating mechanism is communicated with a condenser through a pressure guide pipe, the other end of the condenser is communicated with a control box, a detachably connected filter screen is arranged in the control box, the right side of the control box is communicated with a connecting pipe, the other end of the connecting pipe is communicated with a communicating pipe, the communicating pipe is communicated with the top end of the valve body, the bottom end of the inner cavity of the valve body is slidably connected with a movable plate, the upper surface of the movable plate is fixedly connected with a valve seat, the top end of the valve seat is connected with a valve rod, a fixed plate is fixedly connected between the two side walls of the top end of the inner cavity of the valve body, and an elastic component is arranged between the fixed plate and the movable plate, the hydraulic impact in the pressure regulating valve can be reduced, and the movable plate and the fixed plate are prevented from being damaged by the hydraulic impact for a long time, the service life of the pressure regulating valve is prolonged, and the practicability is good.

Description

Pressure regulating valve capable of reducing hydraulic impact

Technical Field

The utility model relates to a pressure regulating valve technical field specifically is the pressure regulating valve of reducible hydraulic shock.

Background

Self-operated pressure regulating valve, need not the external energy, utilize by transfer medium self energy as the power supply, introduce actuating mechanism control case position, change the pressure differential and the flow at both ends, make the pressure stability before the valve, the wide application is to the automatic control of gas, liquid and steam medium decompression steady voltage or pressure release steady voltage in various industrial equipment, but current pressure regulating valve is in the use, because there is not protective structure inside the valve body, too big hydraulic impact force can damage the inside mechanism of valve body, the life of pressure regulating valve has been reduced, the practicality is poor, for this reason, we propose the pressure regulating valve of reducible hydraulic impact.

Disclosure of Invention

An object of the utility model is to provide a pressure regulating valve of reducible hydraulic shock to the current pressure regulating valve who proposes in solving above-mentioned background art can not reduce the problem of hydraulic shock.

In order to achieve the above object, the utility model provides a following technical scheme:

reducible hydraulic shock's pressure regulating valve, including the valve body, the bottom of valve body is equipped with actuating mechanism, and actuating mechanism passes through connecting pipe intercommunication condenser, the case is controlled in the other end intercommunication of condenser, it can dismantle the filter screen of connection to be equipped with in the control case, and the right side intercommunication of controlling the case has the connecting pipe, the other end intercommunication of connecting pipe has communicating pipe, and is linked together with the top of valve body communicating pipe, valve body inner chamber bottom sliding connection has the fly leaf, and the last fixed surface of fly leaf is connected with the disk seat, the top of disk seat is connected with the valve rod, and the top of valve rod runs through the top and communicating pipe of valve body, fixedly connected with fixed plate between the inner chamber top both sides wall of valve body, and be equipped with elastic component between fixed plate and the fly leaf.

Further: the elastic component comprises a telescopic rod, the bottom end of the telescopic rod is fixedly connected to the two sides of the upper surface of the movable plate, the top end of the telescopic rod is fixedly connected to the two sides of the lower surface of the fixed plate, and the outer wall of the telescopic rod is sleeved with a spring.

Further: the telescopic rod comprises an inner rod and an outer rod, and the inner rod is connected with the outer rod in a sliding mode.

Further: the opening at the top end of the valve body is matched with the opening at the bottom end of the communicating pipe.

Further: the inner chamber both sides wall fixed mounting of control box has the stopper, and the lower surface at the filter screen of the laminating of one side of stopper.

Further: one side of the filter screen close to the opening end of the control box is provided with a pull ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses telescopic link and spring between fixed plate and the fly leaf possess certain cushioning effect, and when the fly leaf received the intraductal hydraulic pressure impact force of pressure conduction, part impact force can be absorbed to telescopic link and spring, has reduced the impact force of conducting on the fixed plate, has reduced the power on the valve rod promptly, can effectively reduce the hydraulic pressure impact force, avoids fly leaf and fixed plate to receive the hydraulic pressure impact force for a long time and damages, has prolonged pressure regulating valve's life, and the practicality is good.

2. The filter screen that can dismantle the connection in the control box can filter the large granule impurity in the interior reflux liquid of delivery pipe, avoids damaging the condenser, has guaranteed the device's normal operating.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;

fig. 3 is the schematic diagram of the internal structure of the control box of the present invention.

In the figure: 1. a valve body; 2. an actuator; 3. a pressure guide pipe; 4. a condenser; 5. a control box; 6. a connecting pipe; 7. a communicating pipe; 8. a valve stem; 9. a fixing plate; 10. a movable plate; 11. a valve seat; 12. a spring; 13. a telescopic rod; 14. filtering with a screen; 15. and a limiting block.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a pressure regulating valve capable of reducing hydraulic impact comprises a valve body 1, wherein an actuating mechanism 2 is arranged at the bottom end of the valve body 1, the actuating mechanism 2 is communicated with a condenser 4 through a pressure guide pipe 3, the other end of the condenser 4 is communicated with a control box 5, a detachably connected filter screen 14 is arranged in the control box 5, a connecting pipe 6 is communicated with the right side of the control box 5, the other end of the connecting pipe 6 is communicated with a communicating pipe 7, the communicating pipe 7 is communicated with the top end of the valve body 1, a movable plate 10 is slidably connected to the bottom end of an inner cavity of the valve body 1, a valve seat 11 is fixedly connected to the upper surface of the movable plate 10, a valve rod 8 is connected to the top end of the valve seat 11, the top end of the valve rod 8 penetrates through the top end of the valve body 1 and the communicating pipe 7, a fixed plate 9 is fixedly connected between two side walls of the top end of the inner cavity of the valve body 1, an elastic component is arranged between the fixed plate 9 and the movable plate 10, and the filter screen 14 in the control box 5 can filter granular impurities flowing into water flow, avoid debris to block up condenser 4, the normal operating of repacking putting has been guaranteed, when liquid sent into in the valve body 1 from the connecting pipe 3, sliding connection's fly leaf 10 atress can shift up, and then has driven the valve rod 8 on the disk seat 11 to move up, the regulation work of governing valve has been accomplished, wherein, the elastic component who is located between fly leaf 10 and the fixed plate 9 can absorb partial hydraulic pressure impact force, the power of conduction on fixed plate 9 has been reduced promptly, avoid long-time after using, fixed plate 9 is damaged by hydraulic pressure impact force, the life of pressure regulating valve has been prolonged.

Referring to fig. 2, preferably, the elastic assembly includes an expansion link 13, a bottom end of the expansion link 13 is fixedly connected to two sides of an upper surface of the movable plate 10, a top end of the expansion link 13 is fixedly connected to two sides of a lower surface of the fixed plate 9, and an outer wall of the expansion link 13 is sleeved with a spring 12, the expansion link 13 and the spring 12 both move upwards along with the hydraulic impact force, but the expansion link 13 and the spring 12 have a certain elastic force, so as to offset a part of the hydraulic impact force, i.e., reduce the force transmitted to the fixed plate 9.

Referring to fig. 2, preferably, the telescopic rod 13 includes an inner rod and an outer rod, and the inner rod is slidably connected to the outer rod.

Referring to fig. 1 and 2, preferably, the opening of the top end of the valve body 1 matches with the opening of the bottom end of the communication pipe 7.

Referring to fig. 3, preferably, two side walls of the inner cavity of the control box 5 are fixedly provided with limit blocks 15, one side of each limit block 15 is attached to the lower surface of the corresponding filter screen 14, and the lower surface of each filter screen 14 is attached to one side of each limit block 15.

Example 2:

referring to fig. 3, this embodiment is different from the first embodiment in that: a pull ring (not shown) is arranged on one side of the filter screen 14 close to the opening end of the control box 5, and the pull ring is arranged to facilitate the pulling out of the filter screen 14.

The working principle is as follows: when the utility model is used, firstly, the control box 5 is started, hydraulic power is conveyed into the pressure guide pipe 3 through the condenser 4, the hydraulic impact force is given into the actuating mechanism 2 and the valve body 1 by the pressure guide pipe 3, when liquid is sent into the valve body 1 from the pressure guide pipe 3, the movable plate 10 in sliding connection moves upwards under force, further the valve rod 8 on the valve seat 11 is driven to move upwards, the adjusting work of the adjusting valve is completed, wherein the telescopic rod 13 and the spring 12 which are positioned between the movable plate 10 and the fixed plate 9 have certain elasticity, part of the hydraulic impact force can be offset, the force transmitted on the fixed plate 9 can be reduced, the movable plate 10 and the fixed plate 9 are prevented from being damaged by the hydraulic impact force for a long time, the service life of the pressure adjusting valve is prolonged, wherein the filter screen 14 which is detachably connected can filter large-particle impurities in backflow liquid in the guide pipe, and the condenser 4 is prevented from being damaged, the normal operation of the device is guaranteed, and the practicability is good.

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

1. Pressure regulating valve that reducible hydraulic pressure is strikeed, including valve body (1), its characterized in that: the bottom of the valve body (1) is provided with an actuating mechanism (2), the actuating mechanism (2) is communicated with a condenser (4) through a pressure guide pipe (3), the other end of the condenser (4) is communicated with a control box (5), a filter screen (14) which can be detachably connected is arranged in the control box (5), the right side of the control box (5) is communicated with a connecting pipe (6), the other end of the connecting pipe (6) is communicated with a communicating pipe (7), the communicating pipe (7) is communicated with the top end of the valve body (1), the bottom end of the inner cavity of the valve body (1) is slidably connected with a movable plate (10), the upper surface of the movable plate (10) is fixedly connected with a valve seat (11), the top end of the valve seat (11) is connected with a valve rod (8), the top end of the valve rod (8) penetrates through the top end of the valve body (1) and the communicating pipe (7), and two side walls of a fixing plate (9) are fixedly connected between the top end of the inner cavity of the valve body (1), and an elastic component is arranged between the fixed plate (9) and the movable plate (10).

2. The pressure-regulating valve capable of reducing hydraulic shock according to claim 1, wherein: elastic component includes telescopic link (13), and the bottom fixed connection of telescopic link (13) is in the upper surface both sides of fly leaf (10), the top fixed connection of telescopic link (13) is in the lower surface both sides of fixed plate (9), and the outer wall of telescopic link (13) has cup jointed spring (12).

3. The pressure-regulating valve capable of reducing hydraulic shock according to claim 2, wherein: the telescopic rod (13) comprises an inner rod and an outer rod, and the inner rod is connected with the outer rod in a sliding mode.

4. The pressure-regulating valve capable of reducing hydraulic shock according to claim 1, wherein: the opening at the top end of the valve body (1) is matched with the opening at the bottom end of the communicating pipe (7).

5. The pressure-regulating valve capable of reducing hydraulic shock according to claim 1, wherein: the inner cavity two side walls of the control box (5) are fixedly provided with limit blocks (15), and one side of each limit block (15) is attached to the lower surface of the filter screen (14).

6. The pressure-regulating valve capable of reducing hydraulic shock according to claim 1, wherein: and one side of the filter screen (14) close to the opening end of the control box (5) is provided with a pull ring.