CN213332554U - Two-way countercurrent variable resistance valve - Google Patents

Abstract

The utility model discloses a bi-pass is varistor valve against current, including the valve main part, the surface of valve main part and the one side intercommunication of keeping away from first connecting pipe have the second connecting pipe, the top of first connecting pipe and the one end that is located the valve main part are rotated and are connected with the baffle, the surface of baffle and the one side fixedly connected with that is close to first connecting pipe block up the boss, block up the surface of boss and with the corresponding position fixedly connected with sealing washer of first connecting pipe port, fixed surface bottom one side fixedly connected with guide bar of baffle, sliding connection between the top of guide bar and fixed plate, the guide bar is kept away from between the one end of baffle and the corresponding both sides in fixed plate surface top and is located the fixed surface of rod and is connected with the spring, the utility model relates to a valve tool. This bi-pass is varistor valve against current has reached the effect of varistor against current, and control function is various, can realize following current unobstructed and varistor against current to sealed effectual, avoid the overflow, improved performance.

Description

Two-way countercurrent variable resistance valve

Technical Field

The utility model relates to a valve tool technical field specifically is a bi-pass is varistor valve against current.

Background

Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. Valve tubing is technically the same as pumps and is often discussed as a separate category. The valve can be operated manually or by a hand wheel, a handle or a pedal, and can also be controlled to change the pressure, the temperature and the flow of the fluid medium. The valve can operate continuously or repeatedly for these changes, such as a safety valve installed in a hot water system or a steam boiler. In more complex control systems, automatic control valves are used as required by external inputs. The automatic control valve does not need manual operation and can accurately control various requirements of fluid media according to the input and the setting of the automatic control valve. The valves are divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and other valve materials according to the materials, the valves are widely applied to various industries of industrial production and life, and the valves are indispensable devices for domestic water pipelines and industrial fluid pipelines. The valve is used for household tap water pipelines, three gorges dams, Qinshan nuclear power stations, space Shenzhou series spacecrafts and international space stations, and plays a vital role in the middle, so that the importance of the valve is seen. At present, current valve control function is too single in the market, can only carry out manual control through manual regulation's mode, and can't realize following current normal, the effect that ends against the current can only increase different valves and realize, increases the use quantity of valve, and sealed effect is poor moreover, receives liquid pressure's influence easily, the phenomenon of overflow appears, has reduced performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a bi-pass is varistor valve against current has solved current valve and can only carry out manual control through manual regulation's mode, and control function is too single, and can't realize following current normal, and the effect that ends against the current can only increase different valves and realize, increases the use quantity of valve, and sealed effect is poor moreover, receives liquid pressure's influence easily, appears the phenomenon of overflow, has reduced the problem of performance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a two-way countercurrent variable resistance valve comprises a valve body, wherein the surface of the valve body is arranged into a spheroid, one side of the surface of the valve body is communicated with a first connecting pipe, one end of the first connecting pipe penetrates through the surface of the valve body and extends into the valve body, one side of the surface of the valve body, which is far away from the first connecting pipe, is communicated with a second connecting pipe, the top of the first connecting pipe, which is positioned at one end of the valve body, is rotatably connected with a baffle, one side of the surface of the baffle, which is close to the first connecting pipe, is fixedly connected with a blocking boss, the surface of the blocking boss, which is fixedly connected with a sealing ring at a position corresponding to a port of the first connecting pipe, one side of the bottom of the surface of the baffle is fixedly connected with a guide rod, one side of the bottom of the inner wall of the, and a spring is fixedly connected between one end of the guide rod, which is far away from the baffle plate, and two sides corresponding to the top of the surface of the fixing plate and positioned on the surface of the guide rod.

Preferably, the top of the surface of the fixing plate is provided with a sliding hole matched with the guide rod, the surfaces of the first connecting pipes and the end, far away from the valve main body, of each of the first connecting pipes are provided with a flange plate, the surface of each flange plate is provided with fixing holes, and the fixing holes are uniformly distributed on the surface of each flange plate.

Preferably, an arc concave surface matched with the surface of the blocking boss is formed at the surface port of the first connecting pipe and positioned in the valve body.

Preferably, the material of the sealing ring is a rubber material.

Preferably, the surface of the guide bar is formed in a circular arc shape.

(III) advantageous effects

The utility model provides a bi-pass is varistor valve against current. The method has the following beneficial effects:

(1) the two-way countercurrent rheostat valve is characterized in that a spheroid is arranged on the surface of a valve main body, a first connecting pipe is communicated with one side of the surface of the valve main body, one end of the first connecting pipe penetrates through the surface of the valve main body and extends into the valve main body, a second connecting pipe is communicated with one side of the surface of the valve main body, which is far away from the first connecting pipe, a baffle is rotatably connected to one end of the top of the first connecting pipe, a blocking boss is fixedly connected to one side of the surface of the baffle, which is close to the first connecting pipe, a sealing ring is fixedly connected to the surface of the blocking boss and corresponds to the port of the first connecting pipe, a guide rod is fixedly connected to one side of the bottom of the surface of the baffle, a fixed plate is vertically and fixedly connected to one side of the bottom of the inner wall of the valve main body, the guide rod is in sliding connection with the top, the variable-resistance reverse flow device has the advantages of achieving the effect of reverse flow variable resistance, being reasonable and simple in structure, convenient to use, various in control function, being capable of achieving forward flow resistance-free and reverse flow variable resistance, being good in sealing effect, avoiding the overflow condition and improving the service performance.

Drawings

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

FIG. 2 is a schematic view of the liquid countercurrent structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 2 at B.

In the figure: the valve comprises a valve body 1, a spherical body 2, a first connecting pipe 3, a second connecting pipe 4, a baffle 5, a blocking boss 6, a sealing ring 7, a guide rod 8, a fixing plate 9, a spring 10, a sliding hole 11, a flange plate 12 and a fixing hole 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 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. 1-4, the present invention provides a technical solution: a two-way reverse flow variable resistance valve comprises a valve body 1, wherein the surface of the valve body 1 is provided with a spheroid 2, the spheroid 2 can increase the inner space, one side of the surface of the valve body 1 is communicated with a first connecting pipe 3, one end of the first connecting pipe 3 penetrates through the surface of the valve body 1 and extends into the valve body, one side of the surface of the valve body 1, which is far away from the first connecting pipe 3, is communicated with a second connecting pipe 4, the top of the first connecting pipe 3 is rotatably connected with a baffle plate 5, one side of the surface of the baffle plate 5, which is close to the first connecting pipe 3, is fixedly connected with a blocking boss 6, the blocking boss 6 has the blocking function and can be sealed, an arc concave surface matched with the surface of the blocking boss 6 is arranged in the valve body 1 at the surface port of the first connecting pipe 3, a sealing ring 7 is fixedly connected with the surface of the blocking boss 6 and the position corresponding to the port of, the sealing ring 7 has a sealing function, the overflow condition is avoided, the use performance is improved, the material of the sealing ring 7 is rubber, the sealing effect is good, the cost is low, one side of the bottom of the surface of the baffle 5 is fixedly connected with the guide rod 8, the guide rod 8 has a guiding function, the surface of the guide rod 8 is arc-shaped, one side of the bottom of the inner wall of the valve main body 1 is vertically and fixedly connected with the fixed plate 9, the guide rod 8 is in sliding connection with the top of the fixed plate 9, a spring 10 is fixedly connected between one end of the guide rod 8, which is far away from the baffle 5, and two sides, which correspond to the top of the surface of the fixed plate 9, of the guide rod 8 and the surface of the rod 8, the spring 10 can provide elasticity, the top of the surface of the fixed plate 9 is provided with a sliding hole 11 matched with the guide rod 8, the, fixing holes 13 are formed in the surface of the flange plate 12, the fixing holes 13 are convenient to fix, and the fixing holes 13 are uniformly distributed in the surface of the flange plate 12.

When the device is used, firstly, the whole device is fixed at a specified position through the fixing hole 13 on the flange plate 12, when no liquid passes through, the device is in an unfairness state, at this time, because the spring 10 is fixedly connected between one end of the guide rod 8, which is far away from the baffle plate 5, and the two corresponding sides of the top of the surface of the fixing plate 9 and is positioned on the surface of the guide rod 8, and the spring 10 provides elasticity, the blocking boss 6 is contacted with one end of the first connecting pipe 3, when the liquid flows from the first connecting pipe 3 to the valve main body 1, the liquid flows downstream, under the action of liquid pressure, the liquid pushes the blocking boss 6, so as to drive the baffle plate 5 to rotate clockwise, at this time, under the drive of the baffle plate 5, the blocking boss 6 is separated from one end of the sealing ring 7 and the first connecting pipe 3, and simultaneously, the guide rod 8 is driven to, spring 10 received the compression this moment, this moment liquid flows into the inside of valve main part 1, and flow out in the second connecting pipe 4, it is normal for following current this moment, flow direction when liquid is for following second connecting pipe 4 flow direction valve main part 1, be the adverse current this moment, when the adverse current, there is not pressure in first connecting pipe 3, the spring 10 rebound that is compressed this moment, utilize elasticity to make baffle 5 anticlockwise, thereby will block up boss 6 and drive anticlockwise, and make sealing washer 7 closely laminate with the one end of first connecting pipe 3, sealed effect has been played, simultaneously because the liquid pressure in second connecting pipe 4, further exert pressure to baffle 5, block up boss and sealing washer 7 at this moment and plug up the one end of first connecting pipe 3, the choked flow effect has been played. Whole device rational in infrastructure is simple, convenient to use, and control function is various, can realize following current unobstructed and the varistor flows against the current to sealed effectual, avoid appearing the condition of overflow, improved performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 (5)

1. A two-way reverse flow variable resistance valve comprises a valve main body (1), and is characterized in that: the surface of the valve body (1) is arranged to be a spherical body (2), one side of the surface of the valve body (1) is communicated with a first connecting pipe (3), one end of the first connecting pipe (3) penetrates through the surface of the valve body (1) and extends into the valve body, one side of the surface of the valve body (1) far away from the first connecting pipe (3) is communicated with a second connecting pipe (4), the top of the first connecting pipe (3) is rotatably connected with a baffle (5) at one end of the valve body (1), one side of the surface of the baffle (5) close to the first connecting pipe (3) is fixedly connected with a blocking boss (6), the surface of the blocking boss (6) is fixedly connected with a sealing ring (7) at a position corresponding to the port of the first connecting pipe (3), and one side of the bottom of the surface of the baffle (5) is fixedly connected with a guide rod (8), the vertical fixedly connected with fixed plate (9) in inner wall bottom one side of valve main part (1), sliding connection between guide bar (8) and the top of fixed plate (9), just be located between the corresponding both sides of one end and fixed plate (9) surface top of baffle (5) are kept away from in guide bar (8) and be connected with spring (10) to the fixed surface of pole (8).

2. A two-way reverse flow varistor valve as claimed in claim 1, wherein: the sliding hole (11) with guide bar (8) looks adaptation is seted up at the surperficial top of fixed plate (9), the surface of first connecting pipe (3) and the one end of keeping away from valve main part (1) all are provided with ring flange (12), fixed orifices (13) have been seted up on the surface of ring flange (12), fixed orifices (13) evenly distributed is on the surface of ring flange (12).

3. A two-way reverse flow varistor valve as claimed in claim 1, wherein: and an arc concave surface matched with the surface of the blocking boss (6) is formed at the surface port of the first connecting pipe (3) and positioned in the valve main body (1).

4. A two-way reverse flow varistor valve as claimed in claim 1, wherein: the sealing ring (7) is made of rubber.

5. A two-way reverse flow varistor valve as claimed in claim 1, wherein: the surface of the guide rod (8) is arc-shaped.

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