CN216813019U

CN216813019U - Medium-pressure bypass valve

Info

Publication number: CN216813019U
Application number: CN202220171221.5U
Authority: CN
Inventors: 孙裕达; 孙景祥; 孙裕超
Original assignee: Devalve Technology Co ltd
Current assignee: Devalve Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-24
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a medium-pressure bypass valve, and relates to the technical field of bypass valves. The water-saving valve comprises a valve body, the bottom and one side of the valve body are respectively and fixedly connected with a first water pipe connector and a second water pipe connector, an electric control switch mechanism is arranged inside the bottom end of the valve body and comprises a brake rod, wherein the top of the valve body is fixedly connected with a stepping motor, and the output end of the stepping motor is fixedly connected to the top of the brake rod. According to the utility model, through the arrangement of the self-opening and closing mechanism and the electric control opening and closing mechanism, the two ends of the bypass valve can realize opening and closing of the valve through pressure difference and water quantity regulation, meanwhile, the electric control opening and closing mechanism can realize opening and closing control of the valve through electric control, the phenomenon of uncontrollable occurrence after internal system failure can be avoided, and meanwhile, the self-opening and closing mechanism and the electric control opening and closing mechanism adopt piston type designs, so that the sufficient passing path is ensured and the clamping condition can be avoided.

Description

Medium-pressure bypass valve

Technical Field

The utility model relates to the technical field of bypass valves, in particular to a medium-pressure bypass valve.

Background

The self-operated self pressure difference control valve is an electric pressure difference control valve substitute product. The self-operated differential pressure control valve has the advantages that external power is not needed, the self-operated differential pressure control valve works by the pressure of the system, the operation safety factor is effectively improved, the self-operated differential pressure control valve is safer and more reliable than the traditional electric differential pressure control valve, the probability of unit damage caused by electricity reliance of the electric differential pressure control valve and circuit problems is solved, the self-operated differential pressure control valve is convenient to install, and the cost is saved.

The traditional bypass valves mostly only provide pressure difference control in one direction, and cannot control internal systems after faults because the traditional bypass valves are not driven by electric power, and the traditional flap valves or electric control valves are used for conditions that the paths communicated with two ends are small and the interiors are easy to block.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a medium pressure bypass valve that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a medium-pressure bypass valve, includes the valve body, valve body bottom and one side are the first water pipe head of fixedly connected with and second water pipe head respectively, the inside automatically controlled on-off mechanism that is provided with in valve body bottom, automatically controlled on-off mechanism includes the brake lever, wherein, valve body top fixedly connected with step motor, step motor output fixed connection is in the brake lever top, valve body one side inner wall fixedly connected with post piece, post piece one side is provided with from on-off mechanism, construct including the baffle from on-off, a plurality of quarter butts of fixedly connected with on one side of the baffle, the baffle is connected with the post piece through the quarter butt.

Preferably, the electric control switch mechanism comprises a ring body, the outer diameter surface of the ring body is fixedly connected to the inner wall of the second water pipe joint, the bottom end of the brake rod is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a second connecting spring, and the bottom of the second connecting spring is fixedly connected with a second valve block.

Preferably, the surfaces of the ring body and the second valve block are both provided with second through grooves which are communicated up and down, and the second through grooves on the ring body and the second valve block are matched.

Preferably, the middle part of the ring body is provided with a notch, the bottom of the second valve block is matched with the notch, the top of the second valve block is provided with a limiting groove, and the second connecting spring is arranged in the limiting groove.

Preferably, the valve body inner wall is provided with a ring groove, and the brake rod is arranged at the corner of the valve body and is bent and movably connected to the ring groove inner wall.

Preferably, the automatic opening and closing mechanism comprises a first valve block, wherein the middle part of the first valve block is provided with a communicating groove with two communicated ends, one side of the partition plate is fixedly connected with a mandril, the other end of the mandril is fixedly connected with an adapter plate, one side of the first valve block is provided with an adapter groove, the adapter groove is matched with the adapter plate, and the first valve block is provided with a first through groove with two communicated ends.

Preferably, two limiting holes are formed in one side of the first valve block, wherein two connecting rods are fixedly connected to one side of the adapter plate, a reset spring is fixedly connected to one end of each connecting rod, the other end of each reset spring is fixedly connected to the inner wall of one end of each limiting hole, and a first connecting spring is arranged between the column block and the first valve block.

Compared with the prior art, the utility model has the beneficial effects that:

this middling pressure bypass valve is through the setting from on-off mechanism and automatically controlled on-off mechanism, the both ends homoenergetic of this bypass valve can be realized realizing valve switch and regulating pondage through pressure differential, simultaneously automatically controlled on-off mechanism's design makes this mechanism still enough to realize the on-off control to the valve through automatically controlled, can avoid appearing uncontrollable phenomenon behind the internal system trouble, it is the design of piston simultaneously all to adopt from on-off mechanism and automatically controlled on-off mechanism, can avoid the condition that blocks when guaranteeing sufficient route, and simple structure is high-efficient, therefore, the clothes hanger is strong in practicability.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural diagram of a self-power-on/off mechanism according to the present invention;

FIG. 4 is a schematic view of a partial decking structure of the present invention;

fig. 5 is a schematic structural diagram of the electrically controlled switch mechanism of the present invention.

In the figure: 1. a valve body; 2. a first water pipe joint; 3. a second water pipe joint; 4. a stepping motor; 5. a self-opening and closing mechanism; 501. a first valve block; 502. a first through groove; 503. an adaptation groove; 504. a return spring; 505. an adapter plate; 6. an electrically controlled switch mechanism; 601. a brake lever; 602. a ring body; 603. a top plate; 604. a second connecting spring; 605. a second valve block; 606. a second through groove; 7. a ring groove; 8. a column block; 9. a partition plate; 10. the first connecting spring.

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.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a medium-pressure bypass valve, including

valve body

1, 1 bottom of valve body and one side are the first water pipe connector 2 of fixedly connected with and second water pipe connector 3 respectively, 1 inside automatically controlled switching mechanism 6 that is provided with in bottom of valve body, automatically controlled switching mechanism 6 includes brake lever 601, wherein, 1 top fixedly connected with step motor 4 of valve body, 4 defeated end fixed connection of step motor are in brake lever 601 top, 1 one side inner wall fixedly connected with post piece 8 of valve body, 8 one side of post piece is provided with from switching mechanism 5, from switching mechanism 5 including baffle 9, a plurality of quarter butt of baffle 9 one side fixedly connected with, baffle 9 is connected with post piece 8 through the quarter butt.

In order to ensure the smooth implementation of this embodiment, it should be understood that the electrically controlled switch mechanism 6 includes a ring body 602, the outer diameter surface of the ring body 602 is fixedly connected to the inner wall of the second water pipe connector 3, the bottom end of the brake rod 601 is fixedly connected with a top plate 603, the bottom of the top plate 603 is fixedly connected with a second connecting spring 604, the bottom of the second connecting spring 604 is fixedly connected with a second valve block 605, the second valve block 605 is in piston-type fit with the ring body 602, when one end of the first water pipe connector 2 is an access end, if the pressure at one end of the first water pipe connector 2 is too high, the second valve block 605 will be lifted upwards to form a differential pressure self-opening system, and through the action of the second connecting spring 604, the pressure at the access end is normal, and when the pressure reduction operation of the bypass valve is not required, the second connecting spring 604 will automatically return, wherein, as for this solution, the surfaces of the ring body 602 and the second valve block 605 are both provided with second through grooves 606 which are communicated up and down, the second through grooves 606 on the ring body 602 and the second valve block 605 are matched, and the upper and lower second through grooves 606 are used for communicating the inside of the bypass valve with one side of the inlet end.

The electrically controlled switch mechanism 6 has two switch modes, firstly, the automatic switch can be realized in the state of unbalanced differential pressure at two ends through the differential pressure mode, if the one-way valve closing is needed, the brake rod 601 can be driven by the stepping motor 4 to further rotate the second valve block 605, so that the upper and lower second through grooves 606 are not communicated, and the valve closing operation is realized under the condition that the second water pipe joint 3 is an access end.

In order to ensure the smooth implementation of this embodiment, it is necessary to know that the middle portion of the ring body 602 is provided with a notch, the bottom of the second valve block 605 is adapted to the notch, the top of the second valve block 605 is provided with a limiting groove, and the second connection spring 604 is disposed inside the limiting groove.

Wherein, need to understand about this scheme that, annular 7 has been seted up to valve body 1 inner wall, and brake lever 601 is located valve body 1 corner and sets up to the form of bending, and swing joint in annular 7 inner wall, and this structure provides sufficient space for valve body 1 is inside, reduces the narrow and small easy condition of blockking up of inner space.

In order to ensure the smooth implementation of this embodiment, it should be understood that the self-opening and closing mechanism 5 includes a first valve block 501 having a communication slot with two ends communicating with each other, a push rod is fixedly connected to one side of the partition 9 and movably connected to the inner wall of the communication slot, when the second water pipe connector 3 is an access end and the pressure is too large, the first valve block 501 is pushed to move laterally, the other end of the push rod is fixedly connected to an adapter plate 505, the adapter plate 505 is pushed out by the push rod during the moving process, the self-opening and closing mechanism 5 realizes the communication between two ends under the arrangement of a first through slot 502 on the first valve block 501, one side of the first valve block 501 is provided with an adapter slot 503, the adapter slot 503 is adapted to the adapter plate 505, the first valve block 501 is provided with a first through slot 502 with two ends communicating with each other, one side of the first valve block 501 is provided with two limit holes, wherein one side of the adapter plate 505 is fixedly connected to two connecting rods, one end of each connecting rod is fixedly connected to a return spring 504, the other end of the reset spring 504 is fixedly connected to the inner wall of one end of the limiting hole, a first connecting spring 10 is arranged between the column block 8 and the first valve block 501, and through the arrangement of the reset spring 504, when the pressures at the two ends are balanced, the adapter plate 505 can reset under the action of the reset spring 504, and the valve block can reset under the action of the first connecting spring 10.

Both ends homoenergetic enough realize realizing valve switch and regulating pondage through pressure differential, simultaneously automatically controlled switch mechanism 6's design makes this mechanism still enough realize the on-off control to the valve through automatically controlled, can avoid appearing uncontrollable phenomenon behind the internal system trouble to make this bypass valve inside can not appear basically blocking the condition that leads to the trouble because of the valve block through piston's design, the device is applicable to and provides step-down operation for the main water pipe, avoids water pipe pressure too big.

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

1. A medium pressure by-pass valve comprising a valve body (1), characterized in that: valve body (1) bottom and one side respectively the first water pipe connector of fixedly connected with (2) and second water pipe connector (3), valve body (1) bottom is inside to be provided with automatically controlled switching mechanism (6), automatically controlled switching mechanism (6) include brake lever (601), wherein, valve body (1) top fixedly connected with step motor (4), step motor (4) defeated end fixed connection is in brake lever (601) top, valve body (1) one side inner wall fixedly connected with pillar piece (8), pillar piece (8) one side is provided with from switching mechanism (5), from switching mechanism (5) including baffle (9), a plurality of quarter butts of fixedly connected with in baffle (9) one side, baffle (9) are connected with pillar piece (8) through the quarter butt.

2. A medium pressure bypass valve according to claim 1, characterized in that: the electric control switch mechanism (6) comprises a ring body (602), the outer diameter surface of the ring body (602) is fixedly connected to the inner wall of the second water pipe connector (3), the bottom end of the brake rod (601) is fixedly connected with a top plate (603), the bottom of the top plate (603) is fixedly connected with a second connecting spring (604), and the bottom of the second connecting spring (604) is fixedly connected with a second valve block (605).

3. A medium pressure bypass valve according to claim 2, characterized in that: the surfaces of the ring body (602) and the second valve block (605) are both provided with a second through groove (606) which is communicated up and down, and the second through grooves (606) on the ring body (602) and the second valve block (605) are matched.

4. A medium pressure bypass valve according to claim 2, characterized in that: the notch has been seted up at ring body (602) middle part, and second valve block (605) bottom and notch looks adaptation have been seted up the spacing groove at second valve block (605) top, and second coupling spring (604) set up in spacing inslot portion.

5. A medium pressure bypass valve according to claim 1, characterized in that: annular groove (7) have been seted up to valve body (1) inner wall, brake lever (601) are located valve body (1) corner and set up to the form of bending, and swing joint in annular groove (7) inner wall.

6. A medium pressure bypass valve according to claim 1, characterized in that: from on-off mechanism (5) including first valve block (501) middle part seted up the communicating groove in both ends communicating, baffle (9) one side fixedly connected with ejector pin, ejector pin other end fixedly connected with adapter plate (505), adaptation groove (503) have been seted up to first valve block (501) one side, adaptation groove (503) and adapter plate (505) looks adaptation, communicating first logical groove (502) in both ends have been seted up to first valve block (501).

7. The intermediate pressure bypass valve of claim 6, wherein: two spacing holes have been seted up to first valve piece (501) one side, wherein, two connecting rods of adapter plate (505) one side fixedly connected with, connecting rod one end fixedly connected with reset spring (504), reset spring (504) other end fixed connection in spacing hole one end inner wall, be provided with first coupling spring (10) between post piece (8) and first valve piece (501).