CN216743019U

CN216743019U - Pressure reducing pilot valve capable of reducing damage of internal parts

Info

Publication number: CN216743019U
Application number: CN202122923726.0U
Authority: CN
Inventors: 谢光辉
Original assignee: Wuhu Ruihua Hvac Technology Co ltd
Current assignee: Wuhu Ruihua Hvac Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-14
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a pressure reducing pilot valve capable of reducing damage of internal parts, which comprises a valve body, wherein the left side of the valve body is provided with an inlet, the right side of the valve body is provided with an outlet, a filter screen is fixed on the valve body, the filter screen is arranged on the right side of the inlet, and a pressure gauge is symmetrically fixed on the valve body; further comprising: the vertical plate is fixed in the valve body, and a vertical bearing on the vertical plate is connected with a rotating shaft; the seal box is fixed on the valve body, is connected with the adjusting screw through threads, and is connected with the bottom plate through an adjusting screw bearing. This impaired decompression pilot valve of reducible internals adopts two sets of independent decompression mechanisms to realize fluidic decompression effect, compares in traditional single decompression mechanism, and it has higher stability and regulation precision, and the cooperation has the filtering mechanism of automatic clearance, can realize the filtration to aquatic silt, avoids silt to bond and blocks up the normal use that influences the device, and then effectively avoids the problem that inside spare part damaged.

Description

Pressure reducing pilot valve capable of reducing damage of internal parts

Technical Field

The utility model relates to a decompression pilot valve technical field specifically is a impaired decompression pilot valve of reducible internals.

Background

The pressure reducing guide valve is also called as a pressure reducing valve, and mainly has the main function of regulating the unstable pressure of an inlet through an internal regulating mechanism so as to ensure the stability of the pressure of an outlet, and is mainly applied to the pressure control of fluid, for example, the pressure reducing guide valve with the filtering function of the publication number CN213206693U is provided with an exhaust device, a groove in the middle of a … exhaust mechanism leaks in the use process, air in petroleum enters the inside of an exhaust hole by extruding the exhaust hole on a movable block, the air in the petroleum is exhausted, the use of the pressure reducing guide valve is facilitated, and certain defects exist in the use process;

when controlling rivers, the filter action of silt is mainly realized through filtering mechanism to above-mentioned device, and along with piling up of silt, current device lacks automatic clearance mechanism to lead to silt easily to block up and influence the normal filter action of device, and current relief pressure valve mainly realizes the decompression effect through single decompression structure, and rivers water inlet pressure fluctuation is great, and single decompression mechanism is difficult to realize stable decompression effect and adjusts the scheduling problem, so need improve in order to satisfy the actual demand to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a impaired decompression pilot valve of reducible internals to it leads to silt to bond the problem that influences the normal use of device and the stable decompression effect of single decompression mechanism is difficult to realize to propose automatic clearance mechanism in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure reduction pilot valve capable of reducing damage of internal parts comprises a valve body, wherein an inlet is formed in the left side of the valve body, an outlet is formed in the right side of the valve body, a filter screen is fixed on the valve body, the filter screen is arranged on the right side of the inlet, and pressure gauges are symmetrically fixed on the valve body;

further comprising:

the vertical plate is fixed in the valve body, and a vertical bearing on the vertical plate is connected with a rotating shaft;

the sealing box is fixed on the valve body and is connected with the adjusting screw rod through threads, the adjusting screw rod is connected to the bottom plate through a bearing, the bottom plate is arranged in the sealing box, and drying agent blocks are symmetrically fixed on the inner side of the sealing box;

the movable rod is connected to the valve body in a sliding mode, penetrates through the sealing ring, and the sealing ring is fixed to the valve body.

Preferably, the import lower extreme is provided with the deposit box, and the deposit box sets up in the filter screen left side to the deposit box lower extreme is fixed with the blowoff valve, constitutes blowdown mechanism through above-mentioned mechanism, and through the sedimentation of filterable silt in the deposit box, conveniently discharges the clearance through the blowoff valve to silt.

Preferably, the rotating shaft is further provided with a fixing plate and a brush;

the fixed plate is fixed at the right end of the rotating shaft, and the fixed plate and the rotating shaft are distributed at equal intervals;

the brush, equidistant fixing on the fixed plate, and brush and filter screen mutual contact slide, constitute clearance mechanism through above-mentioned mechanism, when the rotation axis rotates, drive fixed plate and brush simultaneously and rotate, and the clearance effect to the filter screen can be realized to the contact sliding effect between cooperation brush and the filter screen, avoids silt to bond and blocks up the mesh and influence normal filter effect.

Preferably, the rotation axis left end is fixed with turbine blade, and the turbine blade equidistance angle distribution such as centre of a circle is on the rotation axis, and when using this relief pressure valve, through rivers flow effort, cooperation turbine blade's effect can provide basic effort for the rotation of rotation axis, guarantees clearance mechanism's normal operating.

Preferably, the bottom plate lower extreme still is fixed with the spring, and the spring other end is fixed and is constituted elastic mechanism on the movable rod, constitutes pressure regulating mechanism through above-mentioned mechanism, can provide the effort for the removal of movable rod under the elastic action of spring, realizes the automatic pressure regulating effect, guarantees outlet fluid pressure's stability.

Preferably, the lower end face of the movable rod is further fixed with a valve core, the valve core is an arc-shaped mechanism, the valve core and the valve body are matched with each other to form a sealing mechanism, when the pressure reducing valve is closed, the sealing effect can be guaranteed through the sealing effect between the valve core and the valve body, and leakage is avoided.

Compared with the prior art, the beneficial effects of the utility model are that: this impaired decompression pilot valve of reducible internals adopts two sets of independent decompression mechanisms to realize fluidic decompression effect, compares in traditional single decompression mechanism, and it has higher stability and regulation precision, and the cooperation has the filtering mechanism of automatic clearance, can realize the filtration to aquatic silt, avoids silt to bond and blocks up the normal use that influences the device, and then effectively avoids the problem that inside spare part damaged, and its concrete content is as follows:

1. the pressure reduction pilot valve capable of reducing damage to internal parts is provided with the filter screen, when the pressure reduction pilot valve is used, silt in water can be filtered and intercepted under the action of the filter screen, so that the silt is prevented from entering a valve body to damage the internal parts, under the action of water flow, the rotating shaft can be driven to rotate under the action of the matched turbine blades, the fixing plate and the hairbrush are further driven to rotate, the filter screen can be cleaned under the action of the hairbrush, and the filter effect of the filter screen is prevented from being influenced by bonding of the silt;

2. this impaired decompression pilot valve of reducible internals is provided with the movable rod, controls the messenger at fluid pressure, can adjust the height of bottom plate through rotating adjusting screw, and the elastic action of cooperation spring can provide the effort for movable rod and case, can control the size that the circulation said through the case, through two sets of decompression subassemblies, the effect of cooperation manometer can realize the accurate regulation of pressure, improves the adaptability of device.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the valve body of the present invention;

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

FIG. 3 is a schematic view of the cross-sectional structure of the valve body of the present invention in a plan view;

FIG. 4 is a schematic view of the front cross-sectional structure of the seal box of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the rotating shaft of the present invention.

In the figure: 1. a valve body; 2. an inlet; 3. an outlet; 4. a deposition chamber; 5. a blowoff valve; 6. a vertical plate; 7. a rotating shaft; 701. a fixing plate; 702. a brush; 8. a turbine blade; 9. a filter screen; 10. a pressure gauge; 11. a sealing box; 12. adjusting the screw rod; 13. a base plate; 14. a spring; 15. a movable rod; 1501. a valve core; 16. a seal ring; 17. a desiccant 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.

Referring to fig. 1-5, the present invention provides a technical solution: a pressure reduction pilot valve capable of reducing damage of internal parts comprises a valve body 1, wherein an inlet 2 is formed in the left side of the valve body 1, an outlet 3 is formed in the right side of the valve body 1, a filter screen 9 is fixed on the valve body 1, the filter screen 9 is arranged on the right side of the inlet 2, and a pressure gauge 10 is symmetrically fixed on the valve body 1;

further comprising:

the vertical plate 6 is fixed in the valve body 1, and a vertical bearing on the vertical plate 6 is connected with a rotating shaft 7;

the lower end of the inlet 2 is provided with a deposition box 4, the deposition box 4 is arranged on the left side of the filter screen 9, and the lower end of the deposition box 4 is fixed with a blow-down valve 5; the rotating shaft 7 is also provided with a fixing plate 701 and a brush 702; a fixing plate 701 fixed to the right end of the rotating shaft 7, wherein the fixing plate 701 and the rotating shaft 7 are distributed at equal intervals; the brushes 702 are fixed on the fixing plate 701 at equal intervals, and the brushes 702 and the filter screen 9 are contacted with each other to slide; a turbine blade 8 is fixed at the left end of the rotating shaft 7, and the turbine blades 8 are concentrically and equiangularly distributed on the rotating shaft 7.

When the pressure-reducing pilot valve capable of reducing damage to internal parts is used, the whole device is firstly connected and fixed through bolts, water flows into the water flowing rightwards through the inlet 2 in the using process, when the water flows through the filter screen 9, the filtering effect of silt in water is realized through the effect of the filter screen 9, in the water flowing process, the turbine blades 8 can be rotated under the acting force of the water flow, the rotating shaft 7, the fixing plate 701 and the hairbrushes 702 are further driven to rotate, the cleaning effect of the filter screen 9 can be realized through the contact sliding effect between the multiple groups of hairbrushes 702 and the filter screen 9, the normal filtering effect of the filter screen 9 is prevented from being influenced by the adhesion of the silt on the filter screen 9, the cleaned silt is deposited in the deposition box 4, the subsequent discharge cleaning of the silt can be realized only through the blow-down valve 5 at regular time, the filtered water enters the valve body 1, thereby avoid silt to get into and lead to spare part damage in the valve body 1, and then guarantee the life of valve body 1.

The sealing box 11 is fixed on the valve body 1, the sealing box 11 is connected with the adjusting screw 12 through threads, the adjusting screw 12 is connected to the bottom plate 13 in a bearing mode, the bottom plate 13 is arranged in the sealing box 11, and the drying agent blocks 17 are symmetrically fixed on the inner side of the sealing box 11; and the movable rod 15 is connected to the valve body 1 in a sliding mode, the movable rod 15 penetrates through the sealing ring 16, and the sealing ring 16 is fixed on the valve body 1.

A spring 14 is further fixed at the lower end of the bottom plate 13, and the other end of the spring 14 is fixed on a movable rod 15 to form an elastic mechanism; a valve core 1501 is further fixed on the lower end face of the movable rod 15, the valve core 1501 is an arc-shaped mechanism, and the valve core 1501 and the valve body 1 are matched with each other to form a sealing mechanism.

When water flow enters the valve body 1, the water provides acting force to the valve core 1501, the action of the valve core 1501 is matched with the elastic action of the spring 14 and the sliding action of the movable rod 15, the reduction of water pressure can be realized, when the water flow generates acting force to the valve core 1501, the acting force dispersion can be realized through the arc-shaped structure of the valve core 1501, the impact action of the water flow to the valve core 1501 is reduced, the valve core 1501 is prevented from being damaged, the water flow after pressure reduction flows out through the outlet 3, the water flow pressure at the inlet 2 and the outlet 3 can be observed through the action of the pressure gauge 10, when the water flow pressure needs to be adjusted, the bottom plate 13 can be driven to move through the threaded connection action between the adjusting screw 12 and the sealing box 11 by rotating the adjusting screw 12, the spring 14, the movable rod 15 and the valve core 1501 are driven to move, the position of the valve core 1501 is adjusted, and the adjustment of the water pressure is realized, according to the principle, the precise regulation function of the water flow pressure can be realized through the two groups of regulating mechanisms, and the applicability of the device is improved.

The working principle is as follows: in the use of the pressure reducing pilot valve, as shown in fig. 1-5, which reduces damage to the internal components, the entire assembly is first bolted, when in use, water flow enters the inlet 2 and flows rightwards, the filtering effect of silt in water can be realized through the filter screen 9, the effect of the turbine blade 8 is matched, can drive the rotating shaft 7, the fixing plate 701 and the hairbrush 702 to rotate, realizes the cleaning effect on the filter screen 9 through a plurality of groups of hairbrushes 702, avoids the influence of the bonding of the silt on the filter screen 9 on the normal filtering effect of the filter screen 9, the cleaned silt is deposited in the deposition box 4, the subsequent process only needs to realize the discharge and cleaning of the silt through the blowoff valve 5 at regular time, the filtered water enters the valve body 1, thereby avoiding the damage of the parts in the valve body 1 caused by the entrance of silt and further ensuring the service life of the valve body 1; when water flows into the valve body 1, the water provides acting force to the valve core 1501, the water pressure can be reduced under the action of the valve core 1501 and the elastic action of the spring 14 and the sliding action of the movable rod 15 are matched, the reduced water flows out through the outlet 3, the water pressure at the inlet 2 and the outlet 3 can be observed under the action of the pressure gauge 10, when the water pressure needs to be adjusted, the bottom plate 13, the spring 14, the movable rod 15 and the valve core 1501 can be driven to move by rotating the adjusting screw 12, the position adjusting action of the valve core 1501 is realized, the water pressure adjusting and controlling action is further realized, according to the principle, the accurate adjusting action of the water pressure can be realized through the two groups of adjusting mechanisms, the applicability of the device is improved, the moisture-proof action is realized through the drying agent block 17 in the sealing box 11, and the drying in the sealing box 11 is ensured, the corrosion of the spring 14 is avoided, the service life of the spring 14 is ensured, and the working principle of the pressure reducing pilot valve is that the damage of internal parts can be reduced.

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. A pressure reduction pilot valve capable of reducing damage of internal parts comprises a valve body (1), wherein an inlet (2) is formed in the left side of the valve body (1), an outlet (3) is formed in the right side of the valve body (1), a filter screen (9) is fixed on the valve body (1), the filter screen (9) is arranged on the right side of the inlet (2), and pressure gauges (10) are symmetrically fixed on the valve body (1);

it is characterized by also comprising:

the vertical plate (6) is fixed in the valve body (1), and a vertical bearing on the vertical plate (6) is connected with a rotating shaft (7);

the sealing box (11) is fixed on the valve body (1), the sealing box (11) is connected with the adjusting screw rod (12) through threads, the adjusting screw rod (12) is connected to the bottom plate (13) in a bearing mode, the bottom plate (13) is arranged in the sealing box (11), and drying agent blocks (17) are symmetrically fixed on the inner side of the sealing box (11);

the movable rod (15) is connected to the valve body (1) in a sliding mode, the movable rod (15) penetrates through the sealing ring (16), and the sealing ring (16) is fixed to the valve body (1).

2. The pressure reducing pilot valve as defined in claim 1, wherein: the lower end of the inlet (2) is provided with a deposition box (4), the deposition box (4) is arranged on the left side of the filter screen (9), and the lower end of the deposition box (4) is fixed with a blow-down valve (5).

3. The pressure reducing pilot valve as defined in claim 1, wherein: the rotating shaft (7) is also provided with a fixing plate (701) and a brush (702);

the fixing plate (701) is fixed at the right end of the rotating shaft (7), and the fixing plate (701) and the rotating shaft (7) are distributed at equal intervals;

and the hair brushes (702) are fixed on the fixing plate (701) at equal intervals, and the hair brushes (702) and the filter screen (9) are in contact with each other to slide.

4. The pressure reducing pilot valve as defined in claim 1, wherein said pressure reducing pilot valve is adapted to reduce damage to said internal components, said pressure reducing pilot valve further comprising: turbine blades (8) are fixed at the left end of the rotating shaft (7), and the turbine blades (8) are concentrically and equiangularly distributed on the rotating shaft (7).

5. The pressure reducing pilot valve as defined in claim 1, wherein said pressure reducing pilot valve is adapted to reduce damage to said internal components, said pressure reducing pilot valve further comprising: the lower end of the bottom plate (13) is also fixed with a spring (14), and the other end of the spring (14) is fixed on the movable rod (15) to form an elastic mechanism.

6. The pressure reducing pilot valve as defined in claim 1, wherein said pressure reducing pilot valve is adapted to reduce damage to said internal components, said pressure reducing pilot valve further comprising: and a valve core (1501) is further fixed on the lower end face of the movable rod (15), the valve core (1501) is an arc-shaped mechanism, and the valve core (1501) and the valve body (1) are mutually matched to form a sealing mechanism.