CN211145391U

CN211145391U - Multistage transmission precision control valve

Info

Publication number: CN211145391U
Application number: CN201921794428.2U
Authority: CN
Inventors: 映慧
Original assignee: Liaoning Zhongzheng Chemical Equipment Co Ltd
Current assignee: Liaoning Zhongzheng Chemical Equipment Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-31
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a multistage driven precision control valve, including valve body and valve room, the valve room includes inlet and liquid outlet, the upper end of valve room is equipped with the mounting hole, sliding connection has the U template between the lateral wall about the upper portion of valve room, the indoor adjustment mechanism who adjusts the U template that is equipped with of valve, the equal fixedly connected with connecting block of link of inlet and liquid outlet, be equipped with the internal thread in the connecting block, install filtering mechanism in the inlet. The utility model can observe the specific flow value by setting the adjusting mechanism and matching with the scale value on the outer side wall of the valve chamber; the intraoral filter mechanism of feed inlet can filter the foreign particle, cooperates the detachable filter screen, conveniently changes the filter screen in not equidimension filtration pore, and the convenience is cleared up the filter screen simultaneously.

Description

Multistage transmission precision control valve

Technical Field

The utility model relates to a control valve technical field especially relates to a multistage driven precision control valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The prior art valve can not see the specific and accurate control degree when controlling the flow, and the control valve is installed, impurity particles mixed in the liquid medium, and the prior valve has no filtering function.

To this end, we propose a multi-stage transmission precision control valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multistage transmission precision control valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multistage driven precision control valve, includes valve body and valve room, the valve room includes inlet and liquid outlet, the upper end of valve room is equipped with the mounting hole, sliding connection has the U template between the lateral wall about the upper portion of valve room, the indoor adjustment mechanism who adjusts the U template that is equipped with of valve, the equal fixedly connected with connecting block of link of inlet and liquid outlet, be equipped with the internal thread in the connecting block, install filtering mechanism in the inlet.

Preferably, the side walls of the left side and the right side of the upper portion of the valve chamber are provided with sliding grooves, two sliding blocks matched with the sliding grooves are arranged in the two sliding grooves, the left end and the right end of the U-shaped plate are fixedly connected with connecting rods, and the two connecting rods are fixedly connected with the two sliding blocks respectively.

Preferably, the adjusting mechanism comprises a threaded rod rotatably connected with the bottom of the valve chamber, a first threaded hole is formed in the middle of the U-shaped plate and in threaded connection with the threaded rod, an adjusting rod penetrates through the left side wall of the upper portion of the valve chamber and is rotatably connected with the left side wall of the upper portion of the valve chamber through a rotating bearing, the adjusting rod is in transmission connection with the threaded rod through a transmission part, and two grooves matched with the two ends of the U-shaped plate are formed in the bottom of the valve chamber.

Preferably, the transmission part comprises a first bevel gear and a second bevel gear, the first bevel gear is coaxially and fixedly connected with the part of the adjusting rod, which is located in the valve chamber, the second bevel gear is coaxially and fixedly connected with the upper part of the threaded rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, the filter mechanism includes the connecting pipe, can dismantle in the connecting pipe and be connected with the filter screen, the inlet is cut into two parts by the connecting pipe, two parts the one end that the inlet is close to the connecting pipe can be dismantled with the both ends of connecting pipe respectively and be connected.

Preferably, the upper end and the lower end of the filter screen are fixedly connected with fixing blocks, the upper side wall and the lower side wall of the two fixing blocks and the connecting block are respectively provided with a corresponding second threaded hole, and the second threaded holes are internally threaded with first bolts.

Preferably, the two ends of the connecting pipe and one end, close to the connecting pipe, of the two liquid inlets are fixedly connected with flanges, and the two flanges located on the two sides of the connecting pipe are fixedly connected through second bolts.

Compared with the prior art, the beneficial effects of the utility model are that: by setting the adjusting mechanism and matching with the scale value on the outer side wall of the valve chamber, a specific flow value can be observed; the intraoral filter mechanism of feed inlet can filter the foreign particle, cooperates the detachable filter screen, conveniently changes the filter screen in not equidimension filtration pore, and the convenience is cleared up the filter screen simultaneously.

Drawings

Fig. 1 is a perspective view of a multi-stage transmission precision control valve according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic view of a flange structure of a multi-stage transmission precision control valve according to the present invention.

In the figure: the valve comprises a valve body 1, a valve chamber 2, a liquid inlet 3, a liquid outlet 4, a U-shaped plate 5, an adjusting mechanism 6, a connecting block 7, a filtering mechanism 8, a connecting rod 9, a threaded rod 10, an adjusting rod 11, a transmission part 12, a first bevel gear 13, a second bevel gear 14, a connecting pipe 15, a filter screen 16, a fixed block 17, a first bolt 18, a flange 19 and a second bolt 20.

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.

Referring to fig. 1-4, a multistage driven precision control valve, including valve body 1 and valve chamber 2, the upper portion of valve chamber 2 uses the transparent plastic material to be equipped with scale interval, valve chamber 2 includes inlet 3 and liquid outlet 4, the upper end of valve chamber 2 is equipped with the mounting hole, sliding connection has U template 5 between the lateral wall about the upper portion of valve chamber 2, specifically, all be equipped with the spout on the lateral wall about the upper portion of valve chamber 2, all be equipped with assorted slider with it in two spouts, both ends all fixedly connected with connecting rod 9 about U template 5, two connecting rod 9 respectively with two slider fixed connection.

In the utility model, an adjusting mechanism 6 for adjusting the U-shaped plate 5 is arranged in the valve chamber 2, it should be noted that the adjusting mechanism 6 comprises a threaded rod 10 rotatably connected with the bottom of the valve chamber 2, a first threaded hole is arranged in the middle of the U-shaped plate 5, the first threaded hole is in threaded connection with the threaded rod 10, an adjusting rod 11 is arranged on the left side wall of the upper part of the valve chamber 2 in a penetrating way, a rotating wheel is fixedly connected with the left end of the adjusting rod 11 in a coaxial way, the adjusting rod 11 is rotatably connected with the left side wall of the upper part of the valve chamber 2 through a rotating bearing, the adjusting rod 11 is in transmission connection with the threaded rod 10 through a transmission part 12, it is worth mentioning that the transmission part 12 comprises a first bevel gear 13 and a second bevel gear 14, the first bevel gear 13 and the adjusting rod 11 are in coaxial fixed connection with the part of the valve, be equipped with two and 5 both ends assorted recesses of U template on the bottom of valve chamber 2, the equal fixedly connected with connecting block 7 of the link of inlet 3 and liquid outlet 4 is equipped with the internal thread in the connecting block 7.

The utility model discloses in, install filtering mechanism 8 in inlet 3, it needs to notice, filtering mechanism 8 includes connecting pipe 15, can dismantle in the connecting pipe 15 and be connected with filter screen 16, it needs to explain, the equal fixedly connected with fixed block 17 in filter screen 16's the upper and lower both ends, all be equipped with corresponding second screw hole on the upper and lower lateral wall of two fixed blocks 17 and connecting block 7, second screw hole female connection has first bolt 18, inlet 3 is cut into two parts by connecting pipe 15, the one end that two parts inlet 3 is close to connecting pipe 15 can be dismantled with connecting pipe 15's both ends respectively and be connected, it needs to notice, the equal fixedly connected with flange 19 of one end that connecting pipe 15 is close to connecting pipe 15 is close to connecting pipe 15's both ends and two parts inlet 3, all through second bolt 20 fixed connection between two flange 19 that are located.

The utility model discloses when using, when adjusting the flow, rotate the runner, the runner drives and adjusts pole 11 and rotate, adjusts pole 11 and drives first bevel gear 13 and rotate, and first bevel gear 13 drives second bevel gear 14 and rotates, and second bevel gear 14 drives threaded rod 10 and rotates, and threaded rod 10 drives U template 5 and removes, and the scale on 2 lateral walls in cooperation valve chamber can be observed specific vertical, and filter screen 16 can filter the impurity in the medium.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multistage driven precision control valve, includes valve body (1) and valve room (2), its characterized in that, valve room (2) are including inlet (3) and liquid outlet (4), the upper end of valve room (2) is equipped with the mounting hole, sliding connection has U template (5) between the lateral wall about the upper portion of valve room (2), be equipped with adjustment mechanism (6) that carry out the regulation to U template (5) in valve room (2), the equal fixedly connected with connecting block (7) of link of inlet (3) and liquid outlet (4), be equipped with the internal thread in connecting block (7), install filter mechanism (8) in inlet (3).

2. The multistage-transmission precise control valve according to claim 1, wherein sliding grooves are formed in the left side wall and the right side wall of the upper portion of the valve chamber (2), sliding blocks matched with the sliding grooves are arranged in the two sliding grooves, connecting rods (9) are fixedly connected to the left end and the right end of the U-shaped plate (5), and the two connecting rods (9) are fixedly connected with the two sliding blocks respectively.

3. The multistage-transmission precise control valve is characterized in that the adjusting mechanism (6) comprises a threaded rod (10) rotatably connected with the bottom of the valve chamber (2), a first threaded hole is formed in the middle of the U-shaped plate (5), the first threaded hole is in threaded connection with the threaded rod (10), an adjusting rod (11) penetrates through the left side wall of the upper portion of the valve chamber (2), the adjusting rod (11) is rotatably connected with the left side wall of the upper portion of the valve chamber (2) through a rotating bearing, the adjusting rod (11) is in transmission connection with the threaded rod (10) through a transmission part (12), and two grooves matched with the two ends of the U-shaped plate (5) are formed in the bottom of the valve chamber (2).

4. The fine control valve of multi-stage transmission according to claim 3, wherein the transmission member (12) comprises a first bevel gear (13) and a second bevel gear (14), the first bevel gear (13) is coaxially and fixedly connected with the portion of the adjusting rod (11) located in the valve chamber (2), the second bevel gear (14) is coaxially and fixedly connected with the upper portion of the threaded rod (10), and the first bevel gear (13) is meshed with the second bevel gear (14).

5. The multistage transmission precise control valve according to claim 1, wherein the filtering mechanism (8) comprises a connecting pipe (15), a filter screen (16) is detachably connected in the connecting pipe (15), the liquid inlet (3) is cut into two parts by the connecting pipe (15), and one end of the two parts of the liquid inlet (3) close to the connecting pipe (15) is detachably connected with two ends of the connecting pipe (15) respectively.

6. The multistage transmission precision control valve according to claim 5, characterized in that the upper and lower ends of the filter screen (16) are fixedly connected with fixing blocks (17), the upper and lower side walls of the two fixing blocks (17) and the connecting block (7) are respectively provided with corresponding second threaded holes, and the second threaded holes are internally connected with first bolts (18).

7. The multistage transmission precise control valve as claimed in claim 5, wherein flanges (19) are fixedly connected to both ends of the connecting pipe (15) and one end of the two liquid inlets (3) close to the connecting pipe (15), and two flanges (19) located on both sides of the connecting pipe (15) are fixedly connected through second bolts (20).