Pressure regulating valve

Abstract

The utility model relates to the technical field of pressure regulating valves, and discloses a pressure regulating valve which comprises a valve body, a fixing mechanism is fixedly arranged on the front face of the valve body, and a pressure regulating mechanism is fixedly arranged on the top face of the valve body. The fixing mechanism comprises a fixing part and a power part. The side face of the power part is fixedly connected with the side face of the fixing part. The fixing part comprises a connecting flange, the left end face of the valve body is fixedly connected with the right side face of the connecting flange in a penetrating mode, and a rotating rod is arranged in the valve body. The pressure regulating mechanism comprises a pressure regulating part and a connecting part, and the side face of the connecting part is fixedly connected with the side face of the pressure regulating part. The pressure regulating mechanism is arranged, and a motor and a driving rod are arranged to work in a matched mode, so that a rotating disc can rotate by 360 degrees, and therefore when the air pressure in the valve body needs to be controlled and regulated, the pressure discharge efficiency can be regulated according to the sizes of through openings of a pressure relief plate A, a pressure relief plate B and a pressure relief plate C.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating valves, in particular to a pressure regulating valve. Background Art

[0002] The pressure regulating valve is installed in the pressure equipment. When the pressure in the equipment is greater than a certain value, the pressure regulating valve opens and the medium flows back to achieve pressure relief. In the prior art, the pressure regulating assembly of the pressure regulating valve provides a predetermined pressure at one end, and a valve core is provided at the other end. The valve core rests on the valve seat. When the medium pressure is greater than the predetermined pressure, the medium pushes the valve core open, so that the channel on the valve seat is opened, thereby reducing the pressure in the equipment.

[0003] A Chinese patent discloses a pressure regulating valve with the publication number CN208703215U, which includes a valve body, a pressure regulating spring and a pressure regulating screw. The valve body surface is provided with an oil outlet hole, and the inner cavity is provided with a conical contact surface. The pressure regulating screw is screwed and installed on one end of the valve body, and the pressure regulating spring is located in the valve body. The valve body is characterized in that a steel ball is installed on the valve body, and the pressure regulating spring is located between the steel ball and the pressure regulating screw and contacts with the steel ball. The valve body is improved on the basis of the structure of the original pressure regulating valve, and the valve core is replaced by a steel ball to form a "line contact" sealing structure, which reduces the influence of processing errors, improves the sealing performance, and reduces the processing difficulty.

[0004] However, there are still the following disadvantages: when the pressure regulating valve is in use, it is impossible to perform the corresponding pressure discharge efficiency according to actual needs, so a pressure regulating valve is designed. Utility Model Content

[0005] The purpose of the utility model is to provide a pressure regulating valve to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a pressure regulating valve comprises a valve body, a fixing mechanism is fixedly arranged on the front surface of the valve body, and a pressure regulating mechanism is fixedly arranged on the top surface of the valve body;

[0007] The fixing mechanism comprises a fixing part and a power part, and the side surface of the power part and the side surface of the fixing part are fixedly connected;

[0008] The fixing part comprises a connecting flange, the left end face of the valve body and the right side face of the connecting flange are fixedly connected, and a rotating rod is arranged inside the valve body;

[0009] The voltage regulating mechanism comprises a voltage regulating portion and a connecting portion, and a side surface of the connecting portion is fixedly connected to a side surface of the voltage regulating portion;

[0010] The pressure regulating part comprises a connecting plate, the bottom surface of the connecting plate is fixedly connected to the top surface of the right end of the valve body, and a motor is fixedly arranged on the right side surface of the connecting plate.

[0011] Preferably, the surface of the rotating rod and the inner wall of the valve body are rotatably connected by a bearing, a turning handle is fixedly provided on the front of the rotating rod, and two baffles are fixedly provided on the top surfaces of the left and right ends of the rotating rod, respectively, and the side surfaces of the two baffles are in sealing friction contact with the inner wall of the valve body.

[0012] Preferably, a fixing plate is fixedly provided on the front side of the valve body, a dual-axis motor is fixedly provided on the inner bottom surface of the fixing plate, two threaded rods are fixedly provided on the outer sides of two output rods of the dual-axis motor, and the surfaces of the two threaded rods and the inner wall of the fixing plate are rotatably connected by bearings.

[0013] Preferably, two fixing rods are respectively threadedly sleeved on the surfaces of the two threaded rods, the sides of the fixing rods are frictionally and slidingly connected to the inner wall of the fixing plate, and the inner surfaces of the two fixing rods are respectively sealed and clamped to the inner walls of the left and right ends of the rotating rod.

[0014] Preferably, a connecting rod is provided inside the top end of the valve body, and the side surface of the connecting rod is frictionally and slidingly connected to the inner wall of the valve body, a blocking ball is fixedly provided on the bottom surface of the connecting rod, a connecting spring is fixedly provided on the top surface of the blocking ball and the top surface inside the valve body, and the side surface of the blocking ball is in frictional and sliding contact with the inner wall of the valve body.

[0015] Preferably, an active rod is fixedly arranged on the right end face of the motor output rod, a turntable is fixedly arranged on the right side face of the active rod, a pressure relief plate A is fixedly arranged on the inner wall of the bottom end of the turntable, a pressure relief plate B is fixedly arranged on the inner wall of the rear end of the turntable, and a pressure relief plate C is fixedly arranged on the inner wall of the front end of the turntable.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The pressure regulating valve is provided with a pressure regulating mechanism, and the motor and the active rod cooperate to make the turntable rotate 360 ​​degrees. When the air pressure inside the valve body needs to be controlled and adjusted, the pressure discharge efficiency can be adjusted according to the port sizes of the pressure relief plate A, the pressure relief plate B and the pressure relief plate C;

[0018] 2. The pressure regulating valve is provided with a fixing mechanism, and the cooperation of the dual-axis motor and the threaded rod enables the two fixing rods to move in opposite directions, so that during the adjustment period, the fixing rods can be moved away from the inside of the rotating rod to facilitate the pressure adjustment operation. During the non-working period, the inside of the rotating rod can be entered to fix the adjustment without accidental touch;

[0019] 3. The pressure regulating valve is provided with a turning handle and a rotating rod, so that the baffle can adjust and block the three-end ports of the valve body. During the actual pressure relief work, the pressure discharge can be quickly adjusted accordingly according to the actual needs. It has a wider range of applications, is simple and quick to operate, and saves time, effort and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the front structure of the utility model;

[0021] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the front structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;

[0023] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the left-side structure of the utility model;

[0024] Figure 5 For this utility model Figure 2 A three-dimensional enlarged schematic diagram of the structure of area A in the middle.

[0025] In the figure: 1. valve body; 2. fixing mechanism; 201. connecting flange; 202. rotating rod; 203. baffle; 204. turning handle; 205. fixing plate; 206. dual-axis motor; 207. threaded rod; 208. fixing rod; 3. pressure regulating mechanism; 301. connecting rod; 302. connecting spring; 303. shielding ball; 304. connecting plate; 305. motor; 306. active rod; 307. turntable; 308. pressure relief plate A; 309. pressure relief plate B; 310. pressure relief plate C. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 As shown, a pressure regulating valve comprises a valve body 1, a fixing mechanism 2 is fixedly arranged on the front of the valve body 1, and a pressure regulating mechanism 3 is fixedly arranged on the top of the valve body 1; the fixing mechanism 2 comprises a fixing part and a power part, and the side surface of the power part is fixedly connected to the side surface of the fixing part; the fixing part comprises a connecting flange 201, a plurality of threaded holes are opened on the surface of the connecting flange 201, the left end surface of the valve body 1 and the right side surface of the connecting flange 201 are fixedly connected, and a rotating rod 202 is arranged inside the valve body 1; the pressure regulating mechanism 3 comprises a pressure regulating part and a connecting part, and the side surface of the connecting part is fixedly connected to the side surface of the pressure regulating part; the pressure regulating part comprises a connecting plate 304, the bottom surface of the connecting plate 304 is fixedly connected to the top surface of the right end of the valve body 1, and a motor 305 is fixedly arranged on the right side surface of the connecting plate 304;

[0028] During operation, the connecting flange 201 and the connecting pipe are fixedly installed accordingly, so that the valve body 1 is installed on the surface of the connecting pipe, and the gas enters the valve body 1 inside the connecting pipe to circulate, and the motor 305 is started, so that the active rod 306 drives the turntable 307 to rotate.

[0029] Furthermore, the surface of the rotating rod 202 and the inner wall of the valve body 1 are rotatably connected by a bearing, a rotating handle 204 is fixedly arranged on the front of the rotating rod 202, and two baffles 203 are fixedly arranged on the top surfaces of the left and right ends of the rotating rod 202, respectively, and the outer side surface of the baffle 203 corresponds to the shape of the inner wall of the valve body 1, and the side surfaces of the two baffles 203 are in sealing friction contact with the inner wall of the valve body 1;

[0030] During operation, the turning handle 204 is rotated to make the rotating rod 202 drive the baffle 203 to rotate, so as to quickly cover the top of the valve body 1 .

[0031] Further, a fixing plate 205 is fixedly arranged on the front of the valve body 1, and a dual-axis motor 206 is fixedly arranged on the bottom surface of the fixing plate 205. The model of the dual-axis motor 206 is (K87AB-44) VPEJ5.5KW-4P. Two threaded rods 207 are fixedly arranged on the outer sides of the two output rods of the dual-axis motor 206, and the surfaces of the two threaded rods 207 and the inner wall of the fixing plate 205 are rotatably connected by bearings;

[0032] During operation, the dual-axis motor 206 is started to rotate the threaded rod 207, thereby driving the two fixed rods 208 to move correspondingly, and quickly clamping the rotating rod 202.

[0033] Furthermore, two fixing rods 208 are respectively threadedly sleeved on the surfaces of the two threaded rods 207, and the sides of the fixing rods 208 are frictionally and slidably connected with the inner wall of the fixing plate 205, and the inner surfaces of the two fixing rods 208 are respectively sealed and clamped with the inner walls of the left and right ends of the rotating rod 202;

[0034] During operation, the dual-axis motor 206 is started to rotate the threaded rod 207, thereby driving the two fixed rods 208 to move correspondingly, and quickly clamping the rotating rod 202.

[0035] Furthermore, a connecting rod 301 is provided inside the top of the valve body 1, and the side of the connecting rod 301 is frictionally and slidably connected to the inner wall of the valve body 1, a shielding ball 303 is fixedly provided on the bottom surface of the connecting rod 301, and a connecting spring 302 is fixedly provided on the top surface of the shielding ball 303 and the top surface inside the valve body 1, and the side of the shielding ball 303 is in frictional and slidable contact with the inner wall of the valve body 1;

[0036] During operation, the gas enters the valve body 1 from the connecting pipe and can circulate. When simple pressure adjustment is required, the baffle 203 blocks the right end of the valve body 1. When the internal air pressure increases, the blocking ball 303 is squeezed. Through the contraction of the connecting spring 302, the blocking ball 303 moves upward, so that the opening at the top of the valve body 1 is no longer blocked, and the gas inside the valve body 1 is quickly depressurized.

[0037] Further, an active rod 306 is fixedly provided on the right end face of the output rod of the motor 305, a rotating disk 307 is fixedly provided on the right side face of the active rod 306, a pressure relief plate A308 is fixedly provided on the inner wall of the bottom end of the rotating disk 307, a pressure relief plate B309 is fixedly provided on the inner wall of the rear end of the rotating disk 307, and a pressure relief plate C310 is fixedly provided on the inner wall of the front end of the rotating disk 307;

[0038] During operation, the motor 305 is started so that the active rod 306 drives the turntable 307 to rotate. According to actual needs, the positions of the pressure relief plate A308, the pressure relief plate B309 and the pressure relief plate C310 are adjusted to control pressure relief operations with different efficiencies.

[0039] Working principle: When in use, firstly, the connecting flange 201 and the connecting pipe are fixedly installed correspondingly, so that the valve body 1 is installed on the surface of the connecting pipe, and the gas enters the valve body 1 inside the connecting pipe to circulate. When simple pressure adjustment is required, the baffle 203 will block the right end of the valve body 1. When the internal air pressure increases, the shielding ball 303 will be squeezed, and the shielding ball 303 will move upward through the contraction of the connecting spring 302, so that the opening at the top of the valve body 1 is no longer blocked, and the gas inside the valve body 1 is quickly depressurized. When precise adjustment is required When the valve body 1 is in the state of being moved, the turning handle 204 is turned so that the turning rod 202 drives the baffle 203 to rotate, and the top of the valve body 1 is quickly blocked. The dual-axis motor 206 is started so that the threaded rod 207 is rotated, thereby driving the two fixed rods 208 to move accordingly, and the turning rod 202 is quickly clamped so that it is no longer rotated. The motor 305 is started so that the active rod 306 drives the turntable 307 to rotate. According to actual needs, the positions of the pressure relief plate A308, the pressure relief plate B309 and the pressure relief plate C310 are adjusted to control pressure relief operations with different efficiencies.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure regulating valve, comprising a valve body (1), Features: A fixing mechanism (2) is fixedly arranged on the front surface of the valve body (1), and a pressure regulating mechanism (3) is fixedly arranged on the top surface of the valve body (1); The fixing mechanism (2) comprises a fixing part and a power part, and the side surface of the power part and the side surface of the fixing part are fixedly connected; The fixing part comprises a connecting flange (201), the left end face of the valve body (1) and the right side face of the connecting flange (201) are fixedly connected, and a rotating rod (202) is arranged inside the valve body (1); The voltage regulating mechanism (3) comprises a voltage regulating portion and a connecting portion, and a side surface of the connecting portion is fixedly connected to a side surface of the voltage regulating portion; The pressure regulating part comprises a connecting plate (304), the bottom surface of the connecting plate (304) is fixedly connected to the top surface of the right end of the valve body (1), and a motor (305) is fixedly arranged on the right side surface of the connecting plate (304).

2. A pressure regulating valve according to claim 1, Features: The surface of the rotating rod (202) and the inner wall of the valve body (1) are rotatably connected by a bearing, a rotating handle (204) is fixedly provided on the front of the rotating rod (202), and two baffles (203) are fixedly provided on the top surfaces of the left and right ends of the rotating rod (202), respectively, and the side surfaces of the two baffles (203) are in sealing frictional contact with the inner wall of the valve body (1).

3. A pressure regulating valve according to claim 1, Features: A fixing plate (205) is fixedly arranged on the front surface of the valve body (1), a dual-axis motor (206) is fixedly arranged on the inner bottom surface of the fixing plate (205), two threaded rods (207) are fixedly arranged on the outer side surfaces of two output rods of the dual-axis motor (206), and the surfaces of the two threaded rods (207) and the inner wall of the fixing plate (205) are rotatably connected by bearings.

4. A pressure regulating valve according to claim 3, Features: Two fixing rods (208) are respectively threadedly sleeved on the surfaces of the two threaded rods (207), the sides of the fixing rods (208) are frictionally and slidingly connected to the inner wall of the fixing plate (205), and the inner surfaces of the two fixing rods (208) are respectively sealed and clamped to the inner walls of the left and right ends of the rotating rod (202).

5. A pressure regulating valve according to claim 1, Features: A connecting rod (301) is arranged inside the top of the valve body (1), and the side of the connecting rod (301) is frictionally and slidingly connected to the inner wall of the valve body (1), and a shielding ball (303) is fixedly arranged on the bottom surface of the connecting rod (301), and a connecting spring (302) is fixedly arranged on the top surface of the shielding ball (303) and the top surface inside the valve body (1), and the side of the shielding ball (303) is in frictionally and slidingly contact with the inner wall of the valve body (1).

6. A pressure regulating valve according to claim 1, Features: An active rod (306) is fixedly arranged on the right end surface of the output rod of the motor (305), a rotating disk (307) is fixedly arranged on the right side surface of the active rod (306), a pressure relief plate A (308) is fixedly arranged on the inner wall of the bottom end of the rotating disk (307), a pressure relief plate B (309) is fixedly arranged on the inner wall of the rear end of the rotating disk (307), and a pressure relief plate C (310) is fixedly arranged on the inner wall of the front end of the rotating disk (307).

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