CN213479306U

CN213479306U - Axial pressure reducing valve

Info

Publication number: CN213479306U
Application number: CN202022067945.9U
Authority: CN
Inventors: 胡效军; 陈志超
Original assignee: HAINING SHUIXIANG WATER PURIFICATION EQUIPMENT CO Ltd
Current assignee: HAINING SHUIXIANG WATER PURIFICATION EQUIPMENT CO Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-18
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses an axial relief pressure valve, including valve body, sealing member, elastic component, piston and main cavity spare, the sealing member is installed in the valve body with sliding, and the elastic component sets up in the sealing member, and the one end periphery of main cavity spare and the open end sealing connection of sealing member, the other end of main cavity spare is installed in the valve body with sliding, and the piston sets up in main cavity spare with sliding, and the tip that the piston is located the sealing member offsets with the elastic component. The utility model discloses an axial relief pressure valve, at the decompression in-process, during the running water normal pressure, the elasticity of elasticity piece is greater than the water pressure of the inside water of piston, the piston is being pushed up the bottom terminal surface with on the main cavity spare and is laminating mutually by the elasticity of elasticity piece this moment, the running water is in normal water state of crossing, when valve body water pressure of intaking is too big, the inside water pressure of piston is greater than the elasticity that the elasticity piece acted on the piston, the piston removes to the running water incoming water direction, make the water mouth of crossing between piston and the main cavity spare diminish, reach and reduce running water incoming water speed, play the effect of decompression.

Description

Axial pressure reducing valve

Technical Field

The utility model relates to a water purification unit technical field, in particular to axial relief pressure valve.

Background

The current leading filter that has the relief pressure valve installs inconveniently, and is bulky, and the condition of leaking easily appears in relief pressure valve top valve rod and end cover department, can produce indoor water leakage phenomenon under the condition that the domestic water pressure of high building user can increase suddenly night, brings very big inconvenience for the user, in addition, water pressure too can influence the life of rear end water electrical apparatus and leading filter flask.

Therefore, how to solve the problem that the pressure reducing effect of the pressure reducing valve of the existing prefilter is poor is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axial relief pressure valve can reduce pressure to water pressure when can the sudden increase at night to high building user domestic water pressure, but exclusive use, the relief pressure valve that does and leading filter use together, convenient to use.

In order to solve the technical problem, the utility model provides an axial relief pressure valve, including valve body, sealing member, elastic component, piston and main cavity spare, the sealing member install with sliding in the valve body, the elastic component set up in the sealing member, the one end periphery of main cavity spare with the open end sealing connection of sealing member, the other end of main cavity spare install with sliding in the valve body, the piston set up with sliding in the main cavity spare, just the piston is located tip in the sealing member with the elastic component offsets.

Preferably, the opening end of the sealing element is provided with an internal thread, and one end of the main cavity element is provided with an external thread matched with the internal thread.

Preferably, a first sealing ring is arranged between the inner side wall of the sealing element and the piston.

Preferably, the end of the seal is provided with a tapered surface.

Preferably, a second sealing ring is arranged between the valve body and the main cavity part.

Preferably, a third sealing ring is arranged between the piston and the main cavity, and a plurality of fourth sealing rings are arranged between the piston and the inner side wall of the sealing element.

Preferably, be equipped with left side screw thread and right side screw thread on the valve body, the left side screw thread is used for being connected with the inlet channel, the right side screw thread is used for being connected with pipeline or leading filter.

Preferably, the elastic member is a spring.

Preferably, the piston is provided with an inner diversion hole and an outer diversion hole, and the inner diversion hole is communicated with the outer diversion hole.

Preferably, the piston further comprises a sealing flat washer and a nut which are arranged at the end part of the piston.

The utility model provides an axial relief pressure valve, including valve body, sealing member, elastic component, piston and main cavity spare, the sealing member is installed in the valve body with sliding, and the elastic component sets up in the sealing member, and the one end periphery of main cavity spare and the open end sealing connection of sealing member, the other end of main cavity spare is installed in the valve body with sliding, and the piston sets up in main cavity spare with sliding, and the tip that the piston is located the sealing member offsets with the elastic component.

The utility model discloses an axial relief pressure valve, at specific decompression in-process, during the running water normal pressure, the elasticity of elasticity piece is greater than the water pressure of the inside water of piston, the piston is being pushed up the bottom terminal surface with on the main cavity piece and is laminating mutually by the elasticity of elasticity piece this moment, the running water is in normal water state of crossing, when valve body water pressure of intaking is too big, the inside water pressure of piston is greater than the elasticity that the elasticity piece acted on the piston, the piston removes to the running water incoming water direction, make the water mouth of crossing between piston and the main cavity piece diminish, reach and reduce running water incoming water speed, play the effect of decompression.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the seal shown in FIG. 1;

FIG. 3 is a schematic view of the piston structure shown in FIG. 1;

fig. 4 is a schematic view of the main chamber shown in fig. 1.

Wherein, in fig. 1-4:

the valve comprises a valve body-1, a left thread-101, a right thread-102, a sealing piece-2, an internal thread-201, an inner side wall-202, a conical surface-203, an elastic piece-3, a piston-4, an outer guide hole-41, an inner guide hole-42, a piston thread-43, a sealing groove-44, a main cavity piece-5, an external thread-501, a first sealing ring-6, a second sealing ring-7, a third sealing ring-8, a sealing flat gasket-9, a nut-10 and a fourth sealing ring-11.

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 to 4, fig. 1 is a schematic view of an overall structure of an embodiment of the present invention; FIG. 2 is a schematic view of the seal shown in FIG. 1; FIG. 3 is a schematic view of the piston structure shown in FIG. 1; fig. 4 is a schematic view of the main chamber shown in fig. 1.

The utility model provides an among the concrete implementation mode, mainly include valve body 1, sealing member 2, elastic component 3, piston 4 and main chamber spare 5, sealing member 2 installs in valve body 1 with sliding, elastic component 3 sets up in sealing member 2, the one end periphery of main chamber spare 5 and sealing member 2's open end sealing connection, main chamber spare 5's the other end installs in valve body 1 with sliding, piston 4 sets up in main chamber spare 5 with sliding, and piston 4 is located tip and the 3 offsets of elastic component in sealing member 2.

Wherein, sealing member 2 installs in valve body 1 slidingly, elasticity piece 3 sets up in sealing member 2, sealing member 2 and the cooperation of elasticity piece 3 are used for carrying out pressure control to the running water in the pipeline, the one end periphery of main cavity spare 5 and the open end sealing connection of sealing member 2, the other end of main cavity spare 5 installs in valve body 1 slidingly, piston 4 sets up in main cavity spare 5 slidingly, and the tip that piston 4 is located sealing member 2 offsets with elasticity piece 3, piston 4 decompresses the running water when too big to running water pressure with the cooperation of elasticity piece 3.

Specifically, in the middle of the practical application process, when the running water normal pressure, the elasticity of elastic component 3 is greater than the water pressure of the inside water of piston 4, piston 4 is being laminated with the bottom terminal surface on main cavity spare 5 by the elasticity of elastic component 3 top this moment, the running water is in normal water state of crossing, when valve body 1 water inflow water pressure was too big, the inside water pressure of piston 4 is greater than the elasticity that elastic component 3 acted on piston 4, piston 4 removes to the running water incoming water direction, make the water mouth of crossing between piston 4 and the main cavity spare 5 diminish, reach and reduce the running water incoming water speed, play the effect of a decompression.

In order to optimize the advantage that the axial pressure reducing valve in the above embodiment can have a better pressure reducing effect on tap water, the opening end of the sealing member 2 is provided with an internal thread 201, and one end of the main cavity member 5 is provided with an external thread 501 matched with the internal thread 201. It is known that, when the pressure of the tap water in the pipeline is too high, the axial pressure reducing valve can play a role of reducing the pressure of the tap water, in the above pressure reducing principle, the tap water which needs to flow through the main cavity member 5 flows back to the piston 4, and plays a role of rebounding the elastic member 3 in the sealing member 2, the pressure reducing effect can be played, when the piston 4 pushes the elastic member 3, the sealing member 2 can also retreat because the elastic member 3 is arranged in the sealing member 2, at this time, the internal thread 201 of the sealing member 2 is screwed with the external thread 501 of the main cavity member 5, the effect of retreating the sealing member 2 and the main cavity member 5 can be played, and further, the water volume of the tap water in the pipeline is inhibited, the tap water is reduced fundamentally, and the pressure reducing effect is.

In this way, the first seal ring 6 is provided between the inner side wall 202 of the seal 2 and the piston 4. When the sealing element 2 and the main cavity element 5 are retracted, the piston 4 is in contact with the sealing element 2 due to the retraction through the water pressure of the piston 4, when the water pressure is large enough, tap water may permeate into the elastic element 3 from a contact gap between the piston 4 and the sealing element 2, and the elastic element 3 inside is separated from water by arranging the first sealing ring 6 between the inner side wall 202 of the sealing element 2 and the piston 4, so that the elastic element 3 is not in contact with the water, rust is not easy to generate, and the service life is prolonged. It should be noted that, the elastic member 3 is a spring, and the spring has a good elastic effect, is convenient to install, and can achieve the effect of reducing the operation cost.

Further, the end of the sealing member 2 is provided with a tapered surface 203. When above-mentioned sealing member 2 and main cavity spare 5 rollback formation decompression effect, because the pipeline supplies water through sealing member 2 outside and pipeline gap, the rollback of sealing member 2 and main cavity spare 5 is equivalent to reducing the volume of water that comes, reach the decompression purpose, consequently, sealing member 2 outside and pipeline gap are very important, be equipped with conical surface 203 with the tip of sealing member 2, conical surface 203 can be preferential when rivers pass through and reduce a part with flowing water pressure, thereby reduce water pressure in advance, the effect of decompression simultaneously around having played.

A second sealing ring 7 is arranged between the valve body 1 and the main cavity part 5; a third sealing ring 8 is arranged between the piston 4 and the main cavity member 5, a plurality of fourth sealing rings 11 are arranged between the piston 4 and the inner side wall 202 of the sealing member 2, and the fourth sealing rings 11 are arranged in the sealing groove 44. The second sealing ring 7 and the third sealing ring 8 are designed to avoid water leakage when water is supplied to the pipeline, so that the use by a user is more convenient, the fourth sealing ring 11 can also prevent water leakage between the piston 4 and the sealing element 2, and the waterproof effect of the axial pressure reducing valve is further improved.

Further, a left thread 101 and a right thread 102 are arranged on the valve body 1, the left thread 101 is used for being connected with a water inlet pipeline, and the right thread 102 is used for being connected with a pipeline or a pre-filter. The pressure reducing valve core assembly is assembled in the valve body 1, the left thread 101 is connected with a water inlet pipeline, and the right thread 102 can be directly connected with the pipeline or connected with a front filter for matching use, so that the use is more convenient.

It should be noted that the piston 4 is provided with an inner diversion hole 42 and an outer diversion hole 41, and the inner diversion hole 42 is communicated with the outer diversion hole 41. The inner diversion hole 42 and the outer diversion hole 41 are used for dredging the backflow tap water, so that the phenomenon of water leakage caused by overlarge impact force of the backflow tap water on the piston 4 is avoided.

Finally, it should also be noted that the axial pressure reducing valve also comprises a sealing flat washer 9 and a nut 10 arranged at the end of the piston 4. The nut 10 is in threaded connection with the piston thread 43 to install the sealing flat gasket 9 at the end part of the piston 4, so that the end part of the piston 4 can not leak water, and the normal use of tap water is ensured.

In summary, the axial pressure reducing valve provided by this embodiment mainly includes a valve body, a sealing element, an elastic element, a piston, and a main cavity element, wherein the sealing element is slidably mounted in the valve body, the elastic element is disposed in the sealing element, an outer periphery of one end of the main cavity element is hermetically connected to an opening end of the sealing element, the other end of the main cavity element is slidably mounted in the valve body, the piston is slidably disposed in the main cavity element, and an end portion of the piston located in the sealing element abuts against the elastic element. The utility model discloses an axial relief pressure valve, at specific decompression in-process, during the running water normal pressure, the elasticity of elasticity piece is greater than the water pressure of the inside water of piston, the piston is being pushed up the bottom terminal surface with on the main cavity piece and is laminating mutually by the elasticity of elasticity piece this moment, the running water is in normal water state of crossing, when valve body water pressure of intaking is too big, the inside water pressure of piston is greater than the elasticity that the elasticity piece acted on the piston, the piston removes to the running water incoming water direction, make the water mouth of crossing between piston and the main cavity piece diminish, reach and reduce running water incoming water speed, play the effect of decompression.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an axial pressure reducing valve, its characterized in that, including valve body (1), sealing member (2), elastic component (3), piston (4) and main cavity spare (5), sealing member (2) install with sliding in valve body (1), elastic component (3) set up in sealing member (2), the one end periphery of main cavity spare (5) with the open end sealing connection of sealing member (2), the other end of main cavity spare (5) install with sliding in valve body (1), piston (4) set up with sliding in main cavity spare (5), just piston (4) are located tip in sealing member (2) with elastic component (3) offset.

2. An axial pressure reducing valve according to claim 1, characterized in that the open end of the sealing member (2) is provided with an internal thread (201) and one end of the primary chamber member (5) is provided with an external thread (501) cooperating with the internal thread (201).

3. An axial pressure reducing valve according to claim 2, characterized in that a first sealing ring (6) is provided between the inner side wall (202) of the seal (2) and the piston (4).

4. An axial pressure relief valve according to claim 3, characterized in that the end of the seal (2) is provided with a conical surface (203).

5. An axial pressure reducing valve according to claim 4, characterized in that a second sealing ring (7) is arranged between the valve body (1) and the main chamber part (5).

6. An axial pressure reducing valve according to claim 5, characterized in that a third sealing ring (8) is arranged between the piston (4) and the main chamber (5), and a plurality of fourth sealing rings (11) are arranged between the piston (4) and the inner side wall (202) of the sealing element (2).

7. The axial pressure reducing valve according to claim 1, wherein the valve body (1) is provided with a left-hand thread (101) and a right-hand thread (102), the left-hand thread (101) being adapted to be connected to a water inlet pipe, and the right-hand thread (102) being adapted to be connected to a pipe or a pre-filter.

8. An axial pressure relief valve according to claim 1, characterized in that the resilient member (3) is a spring.

9. The axial pressure reducing valve according to claim 1, wherein the piston (4) is provided with an outer pilot hole (41) and an inner pilot hole (42), and the outer pilot hole (41) and the inner pilot hole (42) are communicated.

10. The axial pressure reducing valve according to any one of claims 1 to 9, further comprising a sealing flat washer (9) and a nut (10) provided at an end of the piston (4).