CN212509688U

CN212509688U - Multifunctional pressure reducing valve

Info

Publication number: CN212509688U
Application number: CN202020912004.8U
Authority: CN
Inventors: 唐庆红
Original assignee: Jiaxing Aidixi Heating And Ventilation Science & Technology Co ltd
Current assignee: Jiaxing Aidixi Heating And Ventilation Science & Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-09
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a multifunctional pressure reducing valve, which comprises a valve body, a valve core arranged in the valve body and a movable valve rod movably arranged in the valve core in a penetrating way, wherein the left end of the valve body is provided with a normal pressure water inlet, the lower part of the valve body is provided with a reduced pressure water outlet, the lower end of the movable valve rod extends into the reduced pressure water outlet, the lower end of the movable valve rod is sequentially sleeved with a sealing gasket and a gasket seat from top to bottom, the valve body is provided with an adjusting mechanism for adjusting the gap between the sealing gasket and the valve core, the right end of the valve body is provided with a normal pressure water outlet, the left side wall of the valve core is provided with a normal pressure water inlet hole communicated with the normal pressure water inlet and the inner cavity of the valve core, and the right; the utility model discloses can not only provide the fluid after the decompression for the back level device, but also can provide the fluid that does not decompress for the back level device, so, have multi-functional advantage.

Description

Multifunctional pressure reducing valve

Technical Field

The utility model relates to a relief pressure valve technical field, concretely relates to multi-functional relief pressure valve.

Background

The pressure reducing valve is a valve commonly used in the market at present for reducing fluid pressure, but the pressure reducing valve in the market only has the function of reducing the fluid pressure, so that the pressure reducing valve has the defect of single function.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a multi-functional relief pressure valve, it compares with traditional relief pressure valve, and it can not only provide the fluid after the decompression for the back level device, but also can provide the fluid that does not decompress for the back level device, so, has multi-functional advantage.

The utility model discloses a multifunctional pressure reducing valve, which comprises a valve body, a valve core arranged in the valve body and a movable valve rod movably arranged in the valve core in a penetrating way, wherein the left end of the valve body is provided with a normal pressure water inlet, the lower part of the valve body is provided with a pressure reducing water outlet, a first sealing ring is embedded between the outer peripheral wall of the lower end of the valve core and the inner peripheral wall of the pressure reducing water outlet, a second sealing ring is embedded between the outer peripheral wall of the upper part of the movable valve rod and the inner peripheral wall of the valve core, the lower end of the movable valve rod extends into the pressure reducing water outlet, the lower end of the movable valve rod is sequentially sleeved with a sealing gasket and a gasket seat from top to bottom, the gasket seat is in threaded connection with the lower end of the movable valve rod, the sealing gasket is pressed on the movable valve rod through the gasket seat, an adjusting mechanism for adjusting the gap between the sealing gasket and the valve core, and a normal pressure water outlet communicated with the normal pressure water outlet and the inner cavity of the valve core is formed in the right side wall of the valve core.

The utility model discloses a multifunctional pressure reducing valve, wherein, adjustment mechanism includes fixed valve rod, diaphragm, spring, support cover, regulation swivel nut, valve cap, support ring and handle, the lower extreme of fixed valve rod and the upper end threaded connection of activity valve rod, the lower extreme and the valve body threaded connection of valve cap, the inward flange of diaphragm compresses tightly on the activity valve rod through fixed valve rod, the outward flange of diaphragm compresses tightly on valve body and case through the valve cap, form balanced chamber between diaphragm and activity valve rod and the case, the inside of activity valve rod is provided with the passageway that is used for communicating decompression water outlet and balanced chamber below the seal gasket; the support sleeve is movably sleeved outside the fixed valve rod, the upper end of the support sleeve abuts against the inner top of the valve cap, the adjusting threaded sleeve is sleeved outside the support sleeve and is in threaded connection with the support sleeve, the spring is sleeved outside the fixed valve rod, and two ends of the spring respectively abut against the adjusting threaded sleeve and the fixed valve rod; the supporting ring is embedded in the upper end of the valve cap, the handle is fixed to the upper end of the fixed valve rod through screws, the inner top of the handle is supported on the supporting ring, two bosses which are arranged in bilateral symmetry are integrally formed on the inner top of the handle, two low points which are arranged in bilateral symmetry and used for supporting one of the bosses respectively are arranged on the inner bottom of the supporting ring, two high points which are arranged in front-back symmetry and used for supporting one of the bosses respectively are arranged on the inner bottom of the supporting ring, and the high points are connected with the low points through a slope.

The utility model discloses a multifunctional pressure reducing valve, wherein, inlay on the inner wall that is located the decompression water outlet of movable valve rod below and be equipped with the retaining ring, inlay in the decompression water outlet that is located the retaining ring below and be equipped with the end-stopping core, the retaining ring is used for supporting the end-stopping core.

The utility model discloses can not only provide the fluid after the decompression for the back level device, but also can provide the fluid that does not decompress for the back level device, so, have multi-functional advantage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a perspective view of the bonnet;

FIG. 3 is a perspective view of the support ring;

fig. 4 is a perspective view of the handle.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a multifunctional pressure reducing valve, including valve body 1, install case 2 in valve body 1 and the movable valve rod 3 that the activity wore through in the case 2, the left end of valve body 1 is provided with normal pressure water inlet 11, the lower part of valve body 1 is provided with decompression water outlet 12, inlay between the periphery wall of case 2 lower extreme and the internal perisporium of decompression water outlet 12 and be equipped with first sealing washer 21, inlay between the periphery wall of movable valve rod 3 upper portion and the internal perisporium of case 2 and be equipped with second sealing washer 31, the lower extreme of movable valve rod 3 stretches into in decompression water outlet 12, the lower extreme of movable valve rod 3 is overlapped in proper order from top to bottom and is equipped with seal gasket 32 and gasket seat 33, gasket seat 33 and the lower extreme threaded connection of movable valve rod 3, seal gasket 32 compresses tightly on movable valve rod 3 through gasket seat 33, install the adjustment mechanism who is used for adjusting the clearance between seal gasket 32 and, a normal pressure water outlet 13 is arranged at the right end of the valve body 1, a normal pressure water inlet hole 22 communicated with the normal pressure water inlet 11 and the inner cavity of the valve core 2 is arranged on the left side wall of the valve core 2, and a normal pressure water outlet hole 23 communicated with the normal pressure water outlet 13 and the inner cavity of the valve core 2 is arranged on the right side wall of the valve core 2; the utility model not only can provide the fluid after decompression for the rear-stage device, but also can provide the fluid without decompression for the rear-stage device, thus having the advantage of multiple functions; for example, when the normal pressure water enters the normal pressure water inlet, the normal pressure water can be discharged through the reduced pressure water outlet after flowing through the valve core and the gap between the valve core and the sealing gasket, the water discharged from the reduced pressure water outlet is the water after being reduced in pressure, and meanwhile, when the normal pressure water flows through the valve core and is discharged from the normal pressure water outlet, the water discharged from the normal pressure water outlet is the water which is not reduced in pressure.

The adjusting mechanism comprises a fixed valve rod 41, a diaphragm 42, a spring 43, a support sleeve 44, an adjusting threaded sleeve 45, a valve cap 46, a support ring 5 and a handle 6, the lower end of the fixed valve rod 41 is in threaded connection with the upper end of the movable valve rod 3, the lower end of the valve cap 46 is in threaded connection with the valve body 1, the inner edge of the diaphragm 42 is pressed on the movable valve rod 3 through the fixed valve rod 41, the outer edge of the diaphragm 42 is pressed on the valve body 1 and the valve core 2 through the valve cap 46, a balance cavity 7 is formed between the diaphragm 42 and the movable valve rod 3 as well as the valve core 2, and a passage 34 for communicating a reduced pressure water outlet 12 below the sealing gasket 32 with the balance cavity 7 is arranged inside; the support sleeve 44 is movably sleeved outside the fixed valve rod 41, the upper end of the support sleeve 44 abuts against the inner top of the valve cap 46, the adjusting threaded sleeve 45 is sleeved outside the support sleeve 44 and is in threaded connection with the support sleeve 44, the spring 43 is sleeved outside the fixed valve rod 41, and two ends of the spring 43 abut against the adjusting threaded sleeve 45 and the fixed valve rod 41 respectively; the supporting ring 5 is embedded at the upper end of the bonnet 46, the handle 6 is fixed at the upper end of the fixed valve rod 41 through a screw 61, the inner top of the handle 6 is supported on the supporting ring 5, two bosses 62 which are arranged in bilateral symmetry are integrally formed on the inner top of the handle 6, two low points 51 which are arranged in bilateral symmetry and are used for supporting one of the bosses 62 respectively are arranged on the inner bottom of the supporting ring 5, two high points 52 which are arranged in front-back symmetry and are used for supporting one of the bosses 62 respectively are arranged on the inner bottom of the supporting ring 5, and the high points 52 are connected with the low points 51 through a slope 53; after adopting the structure, the utility model discloses be in when normal operating condition, boss on the handle offsets with the low point on the lock ring, at this moment, leave the clearance between seal gasket and the case, the hydroenergy that gets into by the ordinary pressure water inlet can flow through during case and the clearance between the seal gasket enter into the export of decompression water, the water that enters into in the export of decompression water can enter into balanced chamber through the passageway, when the water pressure in the export of decompression water is too big, water pressure in the balanced chamber also can the grow, so, under the effect of diaphragm, movable valve rod and fixed valve rod can shift up, so, the clearance between seal gasket and the case can reduce, thereby can reduce the water pressure in the export of decompression water, through the above-mentioned process, the water pressure of decompression water export can be stabilized at certain within range. When the user rotated the handle and made boss on hand offset with the high point on the lock ring, at this moment, seal gasket can support tightly with the lower extreme of case, so, the unable clearance of flowing through between case and the seal gasket of ordinary pressure water to can reach the purpose of closed decompression water export.

A check ring 8 is embedded on the inner wall of a pressure reducing water outlet 12 positioned below the movable valve rod 3, a check core 9 is embedded in the pressure reducing water outlet 12 positioned below the check ring 8, and the check ring 8 is used for supporting the check core 9; through the setting of contrary core, when having the refluence phenomenon with the device of decompression water exit linkage, contrary core can play contrary effect of stopping the way, can avoid promptly that the water that surges is prevented to turn into in the relief pressure valve.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A multifunctional pressure reducing valve comprises a valve body (1), a valve core (2) installed in the valve body (1) and a movable valve rod (3) movably arranged in the valve core (2) in a penetrating mode, wherein a normal pressure water inlet (11) is formed in the left end of the valve body (1), a pressure reducing water outlet (12) is formed in the lower portion of the valve body (1), a first sealing ring (21) is embedded between the outer peripheral wall of the lower end of the valve core (2) and the inner peripheral wall of the pressure reducing water outlet (12), a second sealing ring (31) is embedded between the outer peripheral wall of the upper portion of the movable valve rod (3) and the inner peripheral wall of the valve core (2), the lower end of the movable valve rod (3) extends into the pressure reducing water outlet (12), a sealing gasket (32) and a gasket seat (33) are sequentially sleeved on the lower end of the movable valve rod (3) from top to bottom, and the gasket seat (33) is in threaded, seal gasket (32) compress tightly on movable valve rod (3) through gasket seat (33), its characterized in that: the high-pressure water-saving valve is characterized in that an adjusting mechanism for adjusting a gap between a sealing gasket (32) and the valve core (2) is installed on the valve body (1), a normal-pressure water outlet (13) is formed in the right end of the valve body (1), a normal-pressure water inlet hole (22) communicated with a normal-pressure water inlet (11) and an inner cavity of the valve core (2) is formed in the left side wall of the valve core (2), and a normal-pressure water outlet hole (23) communicated with the normal-pressure water outlet (13) and the inner cavity of the valve core (2) is formed in the right side wall of the valve core (.

2. A multi-function pressure reducing valve according to claim 1, wherein the adjusting mechanism comprises a fixed stem (41), a diaphragm (42), a spring (43), a support sleeve (44), an adjusting screw sleeve (45), a bonnet (46), a support ring (5), and a handle (6), the lower end of the fixed valve rod (41) is in threaded connection with the upper end of the movable valve rod (3), the lower end of the valve cap (46) is in threaded connection with the valve body (1), the inner edge of the diaphragm (42) is pressed on the movable valve rod (3) through the fixed valve rod (41), the outer edge of the diaphragm (42) is pressed on the valve body (1) and the valve core (2) through a valve cap (46), a balance cavity (7) is formed between the diaphragm (42) and the movable valve rod (3) as well as the valve core (2), a channel (34) for communicating a pressure reducing water outlet (12) below the sealing gasket (32) with the balance cavity (7) is arranged in the movable valve rod (3); the support sleeve (44) is movably sleeved outside the fixed valve rod (41), the upper end of the support sleeve (44) abuts against the inner top of the valve cap (46), the adjusting threaded sleeve (45) is sleeved outside the support sleeve (44) and is in threaded connection with the support sleeve (44), the spring (43) is sleeved outside the fixed valve rod (41), and two ends of the spring (43) abut against the adjusting threaded sleeve (45) and the fixed valve rod (41) respectively; support ring (5) inlay the upper end of establishing valve cap (46), fix the upper end at fixed valve rod (41) through screw (61) in handle (6), the interior top support of handle (6) is on support ring (5), integrated into one piece has two boss (62) that are bilateral symmetry and set up on the interior top of handle (6), be provided with two low point (51) that are bilateral symmetry and set up and be used for supporting one of them boss (62) respectively on the interior bottom of support ring (5), be provided with two high point (52) that are front and back symmetry and set up and be used for supporting one of them boss (62) respectively on the interior bottom of support ring (5), link up through domatic (53) between high point (52) and low point (51).

3. A multi-function pressure reducing valve according to claim 1, characterized in that a check ring (8) is embedded on the inner wall of the pressure reducing water outlet (12) located below the movable valve stem (3), and a check core (9) is embedded in the pressure reducing water outlet (12) located below the check ring (8), and the check ring (8) is used for supporting the check core (9).