CN216112390U - Filtration formula relief pressure valve - Google Patents

Abstract

A filtering type pressure reducing valve belongs to the technical field of pressure reducing valves; and disclose a filtration formula relief pressure valve, including the relief pressure valve, first shifting chute has been seted up to the inside of relief pressure valve, and the second shifting chute has been seted up to the inside of relief pressure valve, the inside sliding connection of relief pressure valve has the support ring, and the inside fixedly connected with filter screen of support ring installs the collection box on the position that the support ring corresponds the second shifting chute, collects the inside sliding connection of box surface and second shifting chute. This filtration formula relief pressure valve resets through the extension spring and makes two power frames carry out the relative removal of keeping away from to slide in the inside of constant head tank, and then realize the rigidity of support ring, make the dismantlement of support ring more convenient, make the later maintenance of support ring more convenient to a certain extent simultaneously, make the support ring can be more smooth filter rivers, reduce impurity to a certain extent and pile up in the inside of relief pressure valve, make the relief pressure valve take place to the condition that rivers pressure adjustment received the influence.

Description

Filtration formula relief pressure valve

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a filtering type pressure reducing valve.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium, and from the viewpoint of hydromechanics, the pressure reducing valve is a throttling element with changeable local resistance, namely, the flow rate and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction, and then the fluctuation of the pressure behind the valve is balanced with the spring force by the regulation of a control and regulation system to keep the pressure behind the valve constant within a certain error range; most of the existing pressure valves are composed of a valve body, a valve rod, a piston rod and the like; but when the relief pressure valve worked, debris such as sand grain, hemp silk probably were left over in the rivers, and then made the relief pressure valve after carrying out long-time work, easily caused impurity in the valve to pile up, and then made the operation of valve body receive the influence, made the relief pressure valve receive the influence to the decompression function of rivers, made the condition of damage easily appear in the relief pressure valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a filter type pressure reducing valve which has the advantages of reducing the accumulation of impurities in the pressure reducing valve, causing the pressure reducing valve to influence the regulation of water flow pressure and the like, and solves the problem that the accumulation of impurities in the valve is easy to cause, and further causing the operation of a valve body to be influenced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a filtration formula relief pressure valve, includes the relief pressure valve, and first shifting chute has been seted up to the inside of relief pressure valve, and the second shifting chute has been seted up to the inside of relief pressure valve, the inside sliding connection of relief pressure valve has the support ring, and the inside fixedly connected with filter screen of support ring installs on the position that the support ring corresponds the second shifting chute and collects the box, collects the inside sliding connection of the surface of box and second shifting chute, and the fixed surface of support ring is connected with the fixed block, fixed block and first shifting chute sliding connection, and the inside of fixed block is provided with location fixing device.

Preferably, one side fixed mounting that the support ring corresponds the fixed block has the limiting plate of two mirror images, and limiting plate and fixed block fixed connection are in the same place, and the inside of limiting plate is provided with can pivoted power rod.

Preferably, the power groove has been seted up at the top of limiting plate, and the inside rotation in power groove is connected with the power pole, the equal fixedly connected with torsion spring in both sides around the power pole, and torsion spring keeps away from the one end of power pole and the inner wall fixed connection in power groove, and the power pole passes through torsion spring and is connected with the inner wall rotation of power pole, and the power pole is "L" shape of falling.

Preferably, the location fixing device includes the support frame, the support frame is horizontal "L" shape, the surface of support frame horizontal pole and the inside sliding connection of fixed block, the spout has been seted up to the inside of support frame longitudinal rod, the vertical cross-section of spout is "T" font, the inside of spout runs through the inside of support frame and extends to the outside of support frame, the communicating sliding tray with the inside in the vertical groove of spout has been seted up to the bottom of support frame longitudinal rod, the inside sliding connection of spout has the power frame, the inside fixed surface of first moving chute is connected with the locating piece with the inside sliding connection of sliding tray.

Preferably, the left side fixedly connected with spring of support frame horizontal pole, the left end of spring and the inner wall fixed connection of fixed block.

Preferably, the left end of the transverse rod of the power frame runs through the inside of the transverse groove of the sliding groove and extends to the outside of the supporting frame, the bottom of the vertical rod of the power frame runs through the inside of the vertical groove of the sliding groove and extends to the inside of the sliding groove, the front side of the power frame is fixedly connected with a tension spring, and the front end of the tension spring is fixedly connected with the inner wall of the sliding groove.

Preferably, the positioning groove is formed in the top of the positioning block, the inside of the positioning groove penetrates through the inside of the positioning block and extends to the outside of the positioning block, and the surface of the vertical rod of the power frame is in sliding connection with the inside of the positioning groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a filter type pressure reducing valve which has the following beneficial effects:

1. this filtration formula relief pressure valve, reset through the extension spring and make two power frames keep away from the removal relatively, and slide in the inside of constant head tank, and then realize the rigidity of support ring, make the dismantlement of support ring more convenient, make the later maintenance of support ring more convenient to a certain extent simultaneously, the staff can be more smooth when the support ring breaks down dismantle the maintenance to the support ring, it is more convenient to make the dismantlement of support ring wash simultaneously, make that the staff can be more convenient unpick and wash the support ring, make the support ring can be more smooth filter rivers, reduce impurity pile up the inside at the relief pressure valve to a certain extent, make the relief pressure valve receive the condition emergence of influence to rivers pressure adjustment.

2. This filtration formula relief pressure valve, through when rivers are too big, rivers make the support ring move right, and the spring compresses, and then realizes slowing down to the rivers impact force, makes support ring and filter screen obtain certain protection, makes the rivers impact force obtain slowing down to the damaging force of support ring and filter screen, and then makes support ring and filter screen can be more smooth filter rivers, makes the life of support ring and filter screen obtain the extension simultaneously to a certain extent.

3. This filtration formula relief pressure valve, when rivers through the inside when the relief pressure valve are too big, rivers can promote the power pole and rotate to the direction that is close to the support ring, and then realize the strike to the support ring, the power pole resets through torque spring after rivers are mild, and then realize hitting some adnexed impurity on the filter screen and fall, reduce impurity to a certain extent and adhere to on the filter screen, the condition that makes the filter screen reduce rivers takes place, and then the use filter screen that makes the user can be more smooth filters rivers.

Drawings

FIG. 1 is a schematic view of a filter type pressure reducing valve according to the present invention;

FIG. 2 is a schematic cross-sectional view of a pressure reducing valve according to the present invention;

FIG. 3 is a schematic cross-sectional view of the support frame of the present invention;

FIG. 4 is a schematic front view of the fixing block according to the present invention;

FIG. 5 is a schematic view of the front plan structure of the power rod of the present invention.

In the figure: 1 pressure reducing valve, 2 first moving grooves, 3 second moving grooves, 4 collecting boxes, 5 filter screens, 6 limiting plates, 7 fixing blocks, 8 power rods, 9 power grooves, 10 supporting frames, 11 supporting rings, 12 power frames, 13 sliding grooves, 14 sliding grooves, 15 tension springs, 16 positioning blocks, 17 springs, 18 positioning grooves and 19 torsion springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a filtering type pressure reducing valve comprises a pressure reducing valve 1, the pressure reducing valve 1 is not repeated for the existing structure, the pressure reducing valve 1 can reduce pressure of water flow, a first moving groove 2 is formed in the pressure reducing valve 1, the number of the first moving grooves 2 is two, the two first moving grooves 2 are arranged on the inner wall of the pressure reducing valve 1 in a mirror image mode, a second moving groove 3 is formed in the pressure reducing valve 1, a supporting ring 11 is connected to the inside of the pressure reducing valve 1 in a sliding mode, a filter screen 5 is fixedly connected to the inside of the supporting ring 11, the filter screen 5 can filter impurities in the water flow, a collecting box 4 is installed on the position, corresponding to the second moving groove 3, of the supporting ring 11, the collecting box 4 can collect the filtered impurities, the surface of the collecting box 4 is connected with the inside of the second moving groove 3 in a sliding mode, a fixing block 7 is fixedly connected to the surface of the supporting ring 11, the inside of the fixing block 7 is of a hollow structure, the number of the fixing blocks 7 is two, the two fixing blocks 7 are arranged on the front side and the rear side of the surface of the support ring 11 in a mirror image mode, the two fixing blocks 7 are provided with the same structure, the surface of the fixing block 7 is in sliding connection with the inside of the first moving groove 2, one side of the support ring 11 corresponding to the fixing blocks 7 is fixedly provided with two mirror-image limiting plates 6, the two limiting plates 6 are provided with the same structure, impurities filtered by the filter screen 5 can more smoothly fall into the collecting box 4 through the limiting plates 6, the limiting plates 6 are fixedly connected with the fixing blocks 7, the inside of each limiting plate 6 is provided with a power rod 8 capable of rotating, the top of each limiting plate 6 is provided with a power groove 9, the inside of each power groove 9 is rotatably connected with a power rod 8, the front side and the rear side of each power rod 8 are fixedly connected with torsion springs 19, one ends, far away from the power rods 8, of the torsion springs 19 are fixedly connected with the inner walls of the power grooves, the power rod 8 is rotatably connected with the inner wall of the power rod 8 through a torsion spring 19, the power rod 8 can rotate inside the power groove 9 through the torsion spring, the power rod 8 is inverted L-shaped, when water flow inside the pressure reducing valve 1 is too large, the water flow can push the power rod 8 to rotate towards the direction close to the support ring 11, knocking on the support ring 11 is further realized, the power rod 8 is reset through the torsion spring after the water flow is gentle, then, the impurities attached to the filter screen 5 are knocked down, the impurities attached to the filter screen 5 are reduced to a certain extent, the filtering effect of the filter screen 5 on the water flow is reduced, a user can filter the water flow by using the filter screen 5 more smoothly, and a positioning and fixing device is arranged inside the fixing block 7;

the positioning and fixing device comprises a support frame 10, the support frame 10 is in a transverse L shape, the surface of a transverse rod of the support frame 10 is in sliding connection with the inside of a fixed block 7, a spring 17 is fixedly connected to the left side of the transverse rod of the support frame 10, the left end of the spring 17 is fixedly connected with the inner wall of the fixed block 7, the transverse rod of the support frame 10 moves left and right in the fixed block 7, the spring 17 can be compressed and reset, meanwhile, the transverse rod of the support frame 10 cannot slide out of the inside of the fixed block 7, a sliding groove 14 is formed in a longitudinal rod of the support frame 10, the vertical section of the sliding groove 14 is in a T shape, the inside of the sliding groove 14 penetrates through the inside of the support frame 10 and extends to the outside of the support frame 10, a sliding groove 13 communicated with the inside of a vertical groove of the sliding groove 14 is formed in the bottom of the longitudinal rod of the support frame 10, a power frame 12 is in a sliding connection with the inside of the transverse groove of the sliding groove 14, and extends to the outside of the support frame 10, the bottom of a vertical rod of a power frame 12 penetrates through the inside of a vertical groove of a sliding groove 14 and extends to the inside of a sliding groove 13, a tension spring 15 is fixedly connected to the front side of the power frame 12, the front end of the tension spring 15 is fixedly connected with the inner wall of the sliding groove 14, the tension spring 15 can be reset and stretched by the back and forth movement of the power frame 12 in the sliding groove 14, the power frame 12 and the sliding groove 14 are in a T shape, so that the power frame 12 is not easy to be jammed by offset when moving back and forth in the sliding groove 14, the power frame 12 can move back and forth in the sliding groove 14 more smoothly, a positioning block 16 which is connected with the inside of the sliding groove 13 in a sliding manner is fixedly connected to the lower surface in the first moving groove 2, a positioning groove 18 is formed in the top of the positioning block 16, the inside of the positioning groove 18 penetrates through the inside of the positioning block 16 and extends to the outside of the positioning block 16, the surface of the vertical rod of the power frame 12 is connected with the inside of the positioning groove 18 in a sliding manner, and the vertical rod of the power frame 12 can slide into and out of the inside of the positioning groove 18, so that the fixing and the fixing release of the support ring 11 are realized;

the fixing block 7 and the support frame 10 are made to slide into the first moving groove 2, the collecting box 4 is made to slide into the second moving groove 3, the support ring 11 is made to slide into the pressure reducing valve 1, so that the position limitation of the support ring 11 is realized, when the support ring 11 moves left and right in the pressure reducing valve 1, the situation of offset blocking is not easy to occur, the support ring 11 is made to continue moving rightwards, the two power frames 12 are made to relatively approach the moving tension spring 15 for stretching, when the support ring 11 moves rightwards to the limit position, the positioning block 16 slides into the sliding groove 13, the power frames 12 are loosened, the tension spring 15 is reset, so that the two power frames 12 relatively move away and slide into the positioning groove 18, so that the position fixation of the support ring 11 is realized, the support ring 11 is made to be more convenient to disassemble, and the later maintenance of the support ring 11 is made to be more convenient to a certain extent, when support ring 11 breaks down the staff can be more smooth dismantle the maintenance to support ring 11, it is more convenient to make the dismantlement of support ring 11 wash simultaneously, make the staff can be more convenient unpick and wash support ring 11, make support ring 11 can be more smooth filter rivers, simultaneously when rivers are too big, rivers make support ring 11 remove right, spring 17 compresses, and then realize slowing down to rivers impact force, make support ring 11 and filter screen 5 obtain certain protection, make rivers impact force slow down support ring 11 and filter screen 5's damaging force, and then make support ring 11 and filter screen 5 can be more smooth filter rivers, make support ring 11 and filter screen 5's life prolong to a certain extent simultaneously.

The working principle is as follows:

when the filter type pressure reducing valve is used, the fixed block 7 and the support frame 10 slide into the first moving groove 2, the collection box 4 slides into the second moving groove 3, the support ring 11 slides into the pressure reducing valve 1, so that the position limitation of the support ring 11 is realized, when the support ring 11 moves left and right in the pressure reducing valve 1, the situation of offset blocking is not easy to occur, the support ring 11 continues to move rightwards, the two power frames 12 relatively approach to the moving tension spring 15 for stretching, when the support ring 11 moves rightwards to the limit position, the positioning block 16 slides into the sliding groove 13, the power frames 12 are released, the tension spring 15 resets to enable the two power frames 12 to relatively move away and slide into the positioning groove 18, so that the position fixation of the support ring 11 is realized, the disassembly of the support ring 11 is more convenient, and the later maintenance of the support ring 11 is more convenient to a certain degree, simultaneously when rivers are too big, rivers make support ring 11 remove right, spring 17 compresses, and then realize slowing down to rivers impact force, make support ring 11 and filter screen 5 obtain certain protection, make rivers impact force obtain slowing down to support ring 11 and filter screen 5's damaging force, when the rivers of the inside of relief pressure valve 1 are too big, rivers can promote power rod 8 and rotate to the direction that is close to support ring 11, and then realize the strike to support ring 11, power rod 8 resets through torsion spring after rivers are mild, and then realize hitting some adnexed impurity on the filter screen 5, reduce impurity to a certain extent and attach to filter screen 5, the condition that makes filter screen 5 reduce the filter effect of rivers takes place.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a filtration formula relief pressure valve, includes relief pressure valve (1), and first shifting chute (2) have been seted up to the inside of relief pressure valve (1), and second shifting chute (3), its characterized in that have been seted up to the inside of relief pressure valve (1): the inside sliding connection of relief pressure valve (1) has support ring (11), the inside fixedly connected with filter screen (5) of support ring (11), install on the position that support ring (11) correspond second shifting chute (3) and collect box (4), the surface of collecting box (4) and the inside sliding connection of second shifting chute (3), the fixed surface of support ring (11) is connected with fixed block (7), fixed block (7) and first shifting chute (2) sliding connection, the inside of fixed block (7) is provided with location fixing device.

2. A filtering pressure-reducing valve according to claim 1, characterized in that: one side fixed mounting that support ring (11) correspond fixed block (7) has limiting plate (6) of two mirrors, limiting plate (6) and fixed block (7) fixed connection together, and the inside of limiting plate (6) is provided with can pivoted power rod (8).

3. A filtering pressure-reducing valve according to claim 2, characterized in that: the top of limiting plate (6) is seted up power groove (9), and the inside rotation in power groove (9) is connected with power rod (8), the equal fixedly connected with torque spring (19) in both sides around power rod (8), and the one end that power rod (8) were kept away from in torque spring (19) is connected with the inner wall fixed connection in power groove, and power rod (8) rotate with the inner wall in power rod (8) through torque spring (19) and are connected, and power rod (8) are for falling "L" shape.

4. A filtering pressure-reducing valve according to claim 1, characterized in that: the positioning and fixing device comprises a support frame (10), the support frame (10) is in a transverse L shape, the surface of a transverse rod of the support frame (10) is connected with the inner sliding part of a fixing block (7) in a sliding mode, a sliding groove (14) is formed in the inner part of a longitudinal rod of the support frame (10), the vertical section of the sliding groove (14) is in a T shape, the inner part of the sliding groove (14) penetrates through the inner part of the support frame (10) and extends to the outer part of the support frame (10), a sliding groove (13) communicated with the inner part of the vertical groove of the sliding groove (14) is formed in the bottom of the longitudinal rod of the support frame (10), a power frame (12) is connected to the inner sliding part of the sliding groove (14) in a sliding mode, and a positioning block (16) connected with the inner sliding part of the sliding groove (13) is fixedly connected to the lower surface of the inner part of a first moving groove (2).

5. The filtering pressure-reducing valve according to claim 4, wherein: the left side fixedly connected with spring (17) of support frame (10) horizontal pole, the left end of spring (17) and the inner wall fixed connection of fixed block (7).

6. The filtering pressure-reducing valve according to claim 4, wherein: the left end of the transverse rod of the power frame (12) runs through the inside of the transverse groove of the sliding groove (14) and extends to the outside of the support frame (10), the bottom of the vertical rod of the power frame (12) runs through the inside of the vertical groove of the sliding groove (14) and extends to the inside of the sliding groove (13), the front side of the power frame (12) is fixedly connected with a tension spring (15), and the front end of the tension spring (15) is fixedly connected with the inner wall of the sliding groove (14).

7. The filtering pressure-reducing valve according to claim 4, wherein: the top of the positioning block (16) is provided with a positioning groove (18), the inside of the positioning groove (18) penetrates through the inside of the positioning block (16) and extends to the outside of the positioning block (16), and the surface of the vertical rod of the power frame (12) is in sliding connection with the inside of the positioning groove (18).

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