Precise filtering pressure reducing valve

Abstract

The utility model discloses a precise filtering pressure reducing valve which comprises a valve body, a water inlet is formed in one side of the valve body, a water outlet is formed in the other side of the valve body, a mounting sleeve is arranged in the water inlet, a filtering bag is arranged in the mounting sleeve, a stabilizing ring is arranged on the peripheral side of the opening end of the filtering bag, and a water outlet is formed in the other side of the valve body. And the stabilizing ring is fixed on the inner peripheral side of the mounting sleeve. The pressure reducing valve has the effect that the pressure reducing valve can normally operate for a long time.

Description

Technical Field

[0001] The present application relates to the technical field of pressure reducing valves, and in particular to a precision filtering pressure reducing valve. Background Art

[0002] A pressure reducing valve is a valve that reduces the inlet pressure to a desired outlet pressure through regulation, and automatically maintains a stable outlet pressure by relying on the energy of the medium itself. From the perspective of fluid mechanics, a pressure reducing valve is a throttling element in which the local resistance can be varied. That is, by changing the throttling area, the flow rate and the kinetic energy of the fluid are changed, resulting in different pressure losses, thereby achieving the purpose of reducing pressure. When using existing direct-acting pressure reducing valves, especially when the medium introduced into the pressure reducing valve contains impurities such as mud and sand, the sliding valve seat and the sliding valve slot of the pressure reducing valve are prone to wear after long-term operation. This in turn causes the worn sliding valve seat to easily adhere to mud and sand and other debris when sliding, causing the sliding valve seat to become blocked or difficult to slide in the sliding valve slot, thereby affecting the normal operation of the pressure reducing valve and requiring the pressure reducing valve to be replaced. Utility Model Content

[0003] The purpose of the utility model is to provide a precision filtering pressure reducing valve in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a valve body, one side of the valve body has a water inlet, the other side of the valve body has a water outlet, a mounting sleeve is provided in the water inlet, a filter bag is provided in the mounting sleeve, a stabilizing ring is provided on the outer peripheral side of the opening end of the filter bag, and the stabilizing ring is fixed to the inner peripheral side of the mounting sleeve.

[0006] Preferably, a plurality of fixing buckles are evenly arranged on the inner circumference of the mounting sleeve, and the stabilizing ring is clamped and fixed in the fixing buckles.

[0007] Preferably, a trapezoidal block is provided at one end of the fixing buckle, and a trapezoidal groove for the trapezoidal block to slide and fix is circumferentially opened on the inner circumference of the mounting sleeve.

[0008] Preferably, the trapezoidal groove consists of a fixed portion and a sliding portion, the fixed portion is located inside the mounting sleeve, one end of the sliding portion is connected to one end of the fixed portion, the sliding portion is inclined, and the sliding portion is inclined outward at the end away from the fixed portion.

[0009] Preferably, a bracket is provided inside the mounting sleeve, and the bracket is located at the bottom of the filter bag.

[0010] Preferably, a first magnetic block is provided at the bottom of the filter bag, and a second magnetic block is provided at the bottom of the bracket, and the first magnetic block and the second magnetic block attract each other.

[0011] Preferably, a plurality of ball plungers are evenly arranged on the side wall of the bracket in the circumferential direction, and a plurality of fixing grooves for clamping and fixing one end of the ball plunger are evenly opened on the inner circumferential side of the mounting sleeve.

[0012] Preferably, a rotating handle is provided at the outer end of the mounting sleeve.

[0013] In summary, this application includes at least one of the following beneficial technical effects:

[0014] 1. Before the pressure reducing valve starts working, insert the installation sleeve into the water inlet. Then, when water enters the water inlet, the installation sleeve has a filter bag, which can filter out impurities in the water. After that, the impurities in the water will not enter the valve body, so that the impurities will not affect the normal operation of the pressure reducing valve.

[0015] 2. When installing the fixing buckle, slide the trapezoidal block at one end of the fixing buckle into one end of the sliding portion, and fix it in the fixing portion through the sliding portion, which improves the convenience of installing the fixing buckle;

[0016] 3. The bracket is located at the lower end of the filter bag. At this time, the first magnetic block of the filter bag is adsorbed on the second magnetic block, so that the filter bag can be in an expanded state, preventing the filter bag from folding and allowing the filter bag to operate normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the pressure reducing valve of the utility model;

[0018] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 It is an exploded schematic diagram of the filter device of the utility model.

[0020] In the figure: 1. Valve body; 2. Water inlet; 3. Water outlet; 4. Mounting sleeve; 5. Filter bag; 6. Stabilizing ring; 7. Fixing buckle; 8. Trapezoidal block; 9. Trapezoidal groove; 10. Fixing part; 11. Sliding part; 12. Bracket; 13. Chassis; 14. Connecting rod; 15. Ring; 16. Second magnetic block; 17. First magnetic block; 18. Ball plunger; 19. Fixing groove; 20. Mounting hole; 21. Rotating handle. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] The embodiment of the present application discloses a precision filtration pressure reducing valve.

[0023] Reference Figure 1 、 Figure 2 and Figure 3 The valve body 1 comprises a water inlet 2 on one side and a water outlet 3 on the other. A mounting sleeve 4 is rotatably connected to the water inlet 2 via a threaded connection. A filter bag 5 is placed within the mounting sleeve 4. A stabilizing ring 6 is sleeved around the outer periphery of the open end of the filter bag 5. A rotating handle 21 in the shape of a cross is fixed to the outer end of the mounting sleeve 4 via bolts. The filter bag 5 is contained within the mounting sleeve 4, thereby filtering impurities from the water and preventing them from entering the valve body 1.

[0024] Three fixing buckles 7 are evenly placed on the inner circumference of the mounting sleeve 4. The inner ends of the fixing buckles 7 are integrally provided with trapezoidal blocks 8. Three trapezoidal grooves 9 are evenly opened along the inner circumference of the mounting sleeve 4. The trapezoidal grooves 9 are composed of a fixing portion 10 and a sliding portion 11. The fixing portion 10 is located within the inner side wall of the mounting sleeve 4 and is placed along the length of the mounting sleeve 4. One end of the sliding groove is connected to one end of the fixing portion 10. The sliding groove is placed at an angle, and the other end of the sliding groove is inclined toward the inside of the mounting sleeve 4. The vertical cross-section of the outer end of the fixing buckle 7 is "U"-shaped. The outer side of the fixing buckle 7 is bent to form an inward protrusion. The stabilizing ring 6 is clamped and fixed in the fixing buckle 7. The trapezoidal block 8 at one end of the fixing buckle 7 slides into one end of the sliding portion 11 and is fixed in the fixing portion 10 by sliding through the sliding portion 11, making the installation of the fixing buckle 7 more convenient.

[0025] A bracket 12 is placed within the mounting sleeve 4. The bracket 12 consists of a base 13, multiple connecting rods 14, and a circular ring 15. One end of the multiple connecting rods 14 is uniformly and integrally arranged around the periphery of the base 13, while the other end of the multiple connecting rods 14 is uniformly and integrally arranged around the inner periphery of the circular ring 15. A second magnetic block 16 is embedded and fixed to one side of the base 13. The bottom of the filter bag 5 is fixed to a first magnetic block 17, and the first and second magnetic blocks 17 and 16 attract each other. The first magnetic block 17 of the filter bag 5 is attracted to the second magnetic block 16, thereby keeping the filter bag 5 in an expanded state and preventing it from folding.

[0026] The outer circumference of the ring 15 is formed with four mounting holes 20, into which ball plungers 18 are inserted and fixed. The inner circumference of the mounting sleeve 4 is formed with four fixing grooves 19, into which one end of the ball plungers 18 is snap-fitted and fixed. When installing the bracket 12, the four ball plungers 18 are inserted and fixed in the four mounting holes 20. The bracket 12 is then slid into the mounting sleeve 4, and finally the outer ends of the ball plungers 18 are snap-fitted and fixed in the fixing grooves 19.

[0027] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A precision filtering pressure reducing valve, comprising a valve body (1), wherein one side of the valve body (1) has a water inlet (2), and the other side of the valve body (1) has a water outlet (3), characterized in that: A mounting sleeve (4) is provided in the water inlet (2), a filter bag (5) is provided in the mounting sleeve (4), a stabilizing ring (6) is provided on the outer peripheral side of the opening end of the filter bag (5), and the stabilizing ring (6) is fixed to the inner peripheral side of the mounting sleeve (4).

2. A precision filtration pressure reducing valve according to claim 1, characterized in that: A plurality of fixing buckles (7) are evenly arranged on the inner circumference of the mounting sleeve (4), and the stabilizing ring (6) is clamped and fixed in the fixing buckles (7).

3. A precision filtration pressure reducing valve according to claim 2, characterized in that: A trapezoidal block (8) is provided at one end of the fixing buckle (7), and a trapezoidal groove (9) for the trapezoidal block (8) to be slidably fixed is provided on the inner circumference of the mounting sleeve (4).

4. A precision filtration pressure reducing valve according to claim 3, characterized in that: The trapezoidal groove (9) is composed of a fixed portion (10) and a sliding portion (11), wherein the fixed portion (10) is located inside the mounting sleeve (4), one end of the sliding portion (11) is connected to one end of the fixed portion (10), and the sliding portion (11) is arranged at an angle, and the sliding portion (11) is inclined outward at the end away from the fixed portion (10).

5. The precision filtration pressure reducing valve according to claim 1, characterized in that: A bracket (12) is provided inside the mounting sleeve (4), and the bracket (12) is located at the bottom of the filter bag (5).

6. A precision filtration pressure reducing valve according to claim 5, characterized in that: A first magnetic block (17) is provided at the bottom of the filter bag (5), and a second magnetic block (16) is provided at the bottom of the bracket (12), wherein the first magnetic block (17) and the second magnetic block (16) attract each other.

7. A precision filtration pressure reducing valve according to claim 5, characterized in that The side wall of the bracket (12) is evenly provided with a plurality of ball plungers (18) in the circumferential direction, and the inner circumferential side of the mounting sleeve (4) is evenly provided with a plurality of fixing grooves (19) for clamping and fixing one end of the ball plunger (18).

8. The precision filtration pressure reducing valve according to claim 1, characterized in that The outer end of the mounting sleeve (4) is provided with a rotating handle (21).

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