CN214889289U

CN214889289U - Pneumatic film type regulating valve

Info

Publication number: CN214889289U
Application number: CN202121262817.8U
Authority: CN
Inventors: 李盛文
Original assignee: Power Construction Valve Lishui Co ltd
Current assignee: Power Construction Valve Lishui Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-26
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a pneumatic film formula governing valve, the power distribution valve comprises a valve, the left side of valve is equipped with filtration, filtration includes horizontal pole, down tube, filter screen, first slide bar, spring, first circle piece and slider, the bottom of slide bar and the top left side fixed connection of valve, the outer wall sliding clamping of slide bar has the slider, the top rigid coupling of slider has the horizontal pole, the inner wall sliding clamping of horizontal pole has first circle piece. This pneumatic film formula governing valve, through valve, long slab, shell, bent plate, bolt, square chest, casing and filtration's cooperation for the device can drive the down tube rotation through the spring when using, and the down tube drives first circle piece and removes, and first circle piece drives the horizontal pole inwards movement, and then makes in the horizontal pole inserts the recess of filter screen, and then realizes filtering liquid, avoids impurity to pass through the valve, causes the jam of valve, influences normal use.

Description

Pneumatic film type regulating valve

Technical Field

The utility model relates to a governing valve technical field specifically is a pneumatic film formula governing valve.

Background

The regulating valve is composed of an electric actuator or a pneumatic actuator and a valve body, the straight stroke mainly comprises a straight-through single seat type and a straight-through double seat type, and the straight-through double seat type has the characteristics of large flow capacity, small unbalanced force and stable operation, so that the regulating valve is particularly suitable for occasions with large flow rate, high pressure drop and less leakage.

Pneumatic film formula governing valve among the prior art can't filter liquid, and then leads to impurity to pass through the valve easily, and then causes the jam of valve, influences normal use, and pneumatic film formula governing valve among the prior art, and the staff of not being convenient for installs the valve, and then the staff of not being convenient for operates, and the staff of not being convenient for uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic film formula governing valve to solve the pneumatic film formula governing valve among the prior art that proposes among the above-mentioned background art, can't filter liquid, and then lead to impurity through the valve easily, and then cause the jam of valve, influence the problem of normal use.

In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic membrane type regulating valve comprises a valve, wherein a filtering structure is arranged on the left side of the valve;

the filtering structure comprises a cross rod, an inclined rod, a filter screen, a first sliding rod, a spring, a first round block and a sliding block;

the bottom of first slide bar and the top left side fixed connection of valve, the outer wall slip joint of first slide bar has the slider, the top rigid coupling of slider has the horizontal pole, the inner wall slip joint of horizontal pole has first circle piece, the rear end rigid coupling down tube of first circle piece, the preceding terminal surface below of down tube is rotated through the top left side of round pin axle with the valve and is connected, the preceding terminal surface rigid coupling of down tube has the spring, the bottom of spring and the top left side fixed connection of valve, outer wall one side of horizontal pole respectively with the left and right sides top groove clearance fit of filter screen, the outer wall of filter screen and the top left side inner wall clearance fit of valve, the outer wall below of filter screen and the inner wall bottom left side groove clearance fit of valve. The design can filter the valve.

Preferably, the bottom laminating of valve has the long board, the equal rigid coupling in top left and right sides of long board has the shell, the top left side rigid coupling of valve has the casing. The long plate plays a supporting role for the shell.

Preferably, the bottom left side of valve is closely laminated with the square chest, the left and right sides of square chest all is through the left and right sides inner wall threaded connection of bolt and bent plate. The top of square chest is rigid coupling has the rubber circle, and the rubber circle plays sealed effect.

Preferably, a rotating structure is arranged on one side of the shell;

the rotating structure comprises a threaded rod, a curved rod, a second round block and a transverse block;

the outer wall of threaded rod one side is passed through the bearing and is connected with the one end inner wall rotation of shell, the outer wall threaded connection of threaded rod has the horizontal piece, the preceding terminal surface rigid coupling second circle piece of horizontal piece, the outer wall slip joint of second circle piece has the curved bar, the preceding terminal surface one side of curved bar is connected through the inner wall one end rotation of round pin axle with the shell. The design can make the crank rotate.

Preferably, a moving structure is arranged above the long plate;

the moving structure comprises a second sliding rod, a straight rod, a vertical block and a short rod;

the bottom of the second slide bar is fixedly connected with the left side and the right side of the top of the long plate respectively, the outer wall of the second slide bar is connected with a vertical block in a sliding clamping mode, one end of the vertical block is fixedly connected with a straight bar, one side of the outer wall of the straight bar is in clearance fit with grooves below the left side and the right side of the valve respectively, one end of the vertical block is connected with a short bar in a rotating mode through a pin shaft, and the front end face of the short bar is connected with the front end face bending portion of the curved bar in a rotating mode through a pin shaft. The straight rod can move left and right due to the design.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic film type regulating valve has the advantages that through the matching of the valve, the long plate, the shell, the bent plate, the bolt, the square box, the shell and the filtering structure, when the pneumatic film type regulating valve is used, the inclined rod can be driven by the spring to rotate, the inclined rod drives the first round block to move, the first round block drives the cross rod to move inwards, the cross rod is further inserted into the groove of the filter screen, liquid is further filtered, and the situation that the normal use is influenced due to the fact that impurities pass through the valve to block the valve is avoided;

simultaneously outwards rotate the down tube, the down tube drives first circle piece and rotates, and first circle piece drives the horizontal pole and outwards removes, and then makes the horizontal pole leave the filter screen, upwards removes the filter screen, and then realizes the dismantlement to the filter screen, and the staff of being convenient for changes and maintains the filter screen.

Through the valve, the rectangular board, and a housing, the bent plate, the bolt, the square chest, a housing, rotating-structure and moving-structure's cooperation, make the device when using, can pass through the rotation threaded rod, the threaded rod drives horizontal piece inward movement, the horizontal piece drives second circle piece inward movement, the second circle piece drives the bent rod and rotates, the bent rod drives the quarter butt removal, the quarter butt drives the riser inward movement, the riser drives the straight-bar inward movement, and then make in the straight-bar inserts the recess of valve, the staff of being convenient for installs the valve, the staff's of being convenient for operation, the staff's of being convenient for uses.

Drawings

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

FIG. 2 is a schematic view of the valve, elongated plate and housing of FIG. 1;

FIG. 3 is a schematic view of the cross bar, diagonal bar and first round block of FIG. 1;

fig. 4 is a schematic view of the threaded rod, the second round block and the cross block of fig. 1.

In the figure: 1. valve, 2, filtering structure, 201, cross bar, 202, down tube, 203, filter screen, 204, first slide bar, 205, spring, 206, first round block, 207, slider, 3, rotating structure, 301, threaded rod, 302, curved bar, 303, second round block, 304, cross block, 4, moving structure, 401, second slide bar, 402, straight bar, 403, vertical block, 404, short bar, 5, long plate, 6, shell, 7, curved plate, 8, bolt, 9, square box, 10, casing.

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. 1-4, the present invention provides a technical solution: a pneumatic membrane type regulating valve comprises a valve 1, a long plate 5 is attached to the bottom of the valve 1, a shell 6 is fixedly connected to the left side and the right side of the top of the long plate 5, the long plate 5 supports the shell 6, a shell 10 is fixedly connected to the left side of the top of the valve 1, a square box 9 is tightly attached to the left side of the bottom of the valve 1, a rubber ring is fixedly connected to the top of the square box 9 and plays a role in sealing, the left side and the right side of the square box 9 are both in threaded connection with the inner walls of the left side and the right side of a curved plate 7 through bolts 8, a filtering structure 2 is arranged on the left side of the valve 1, the filtering structure 2 comprises a cross rod 201, an inclined rod 202, a filtering net 203, a first sliding rod 204, a spring 205, a first round block 206 and a sliding block 207, the bottom of the first sliding rod 204 is fixedly connected with the left side of the top of the valve 1, a sliding block 207 is slidably connected with the outer wall of the first sliding block 204, and can slide on the outer wall of the first sliding block 204 when the sliding block 207 is stressed, the top of slider 207 is fixedly connected with horizontal pole 201, the inner wall of horizontal pole 201 slides and is blocked and connected with first circle piece 206, the rear end of first circle piece 206 is fixedly connected with down tube 202, the preceding terminal surface below of down tube 202 is connected with the top left side of valve 1 through the round pin axle rotation, the round pin axle makes the down tube 202 top left side rotation that can valve 1 when atress, the preceding terminal surface rigid coupling of down tube 202 has spring 205, spring 205 gives the inward power of down tube 202, the bottom of spring 205 and the top left side fixed connection of valve 1, outer wall one side of horizontal pole 201 respectively with the left and right sides top slot clearance fit of filter screen 203, the outer wall rigid coupling of filter screen 203 has the rubber pad, the rubber pad plays the sealing effect, the outer wall of filter screen 203 and the top left side inner wall slot clearance fit of valve 1, the material and the mesh number of filter screen 203 are decided according to the actual use condition, the outer wall below of filter screen 203 and the inner wall bottom left side slot clearance fit of valve 1.

One side of shell 6 is equipped with rotating-structure 3, rotating-structure 3 includes threaded rod 301, curved bar 302, second circle piece 303 and horizontal piece 304, the one end inner wall rotation of bearing and shell 6 is passed through to outer wall one side of threaded rod 301 is connected, the bearing can rotate at the one end inner wall of shell 6 when making threaded rod 301 atress, the outer wall threaded connection of threaded rod 301 has horizontal piece 304, the preceding terminal surface rigid coupling second circle piece 303 of horizontal piece 304, the outer wall slip joint of second circle piece 303 has curved bar 302, the preceding terminal surface one side of curved bar 302 is rotated through the inner wall one end of round pin axle with shell 6 and is connected, can rotate in the inner wall one end of shell 6 when round pin axle makes curved bar 302 atress.

The top of long slab 5 is equipped with removal structure 4, removal structure 4 includes second slide bar 401, straight-bar 402, riser 403 and quarter butt 404, the bottom of second slide bar 401 respectively with the top left and right sides fixed connection of long slab 5, the outer wall slip joint of second slide bar 401 has riser 403, can slide at the outer wall of second slide bar 401 during riser 403 atress, the one end rigid coupling of riser 403 has straight-bar 402, outer wall one side of straight-bar 402 respectively with the left and right sides below recess clearance fit of valve 1, the one end of riser 403 rotates through the round pin axle and is connected with quarter butt 404, the round pin axle can rotate at the one end of riser 403 when making quarter butt 404 atress, the preceding terminal surface top of quarter butt 404 is connected through the rotation of the front end face department of buckling of round pin axle and curved bar 302.

In this embodiment, when the pneumatic membrane type regulating valve is used, firstly, by rotating the threaded rod 301, the threaded rod 301 drives the transverse block 304 to move inwards, the transverse block 304 drives the second round block 303 to move inwards, the second round block 303 drives the curved bar 302 to rotate, the curved bar 302 drives the short bar 404 to move, the short bar 404 drives the vertical block 403 to move inwards, the vertical block 403 drives the straight bar 402 to move inwards, so that the straight bar 402 is inserted into the groove of the valve 1, so that the valve 1 can be conveniently installed by a worker, the worker can conveniently operate the valve, the spring 205 drives the inclined bar 202 to rotate, the inclined bar 202 drives the first round block 206 to move, the first round block 206 drives the transverse bar 201 to move inwards, so that the transverse bar 201 is inserted into the groove of the filter screen 203, impurities are filtered by the filter screen 203, and then the impurities fall into the square box 9, so that the collection of the impurities is realized, and the liquid is further filtered, and the impurities are prevented from passing through the valve 1, causing blockage of the valve 1 and affecting normal use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A pneumatic diaphragm-type regulating valve, comprising a valve (1), characterized in that: a filtering structure (2) is arranged on the left side of the valve (1);

the filter structure (2) comprises a cross bar (201), an inclined bar (202), a filter screen (203), a first sliding bar (204), a spring (205), a first round block (206) and a sliding block (207);

the bottom of the first sliding rod (204) is fixedly connected with the left side of the top of the valve (1), the outer wall of the first sliding rod (204) is slidably clamped with a sliding block (207), the top of the sliding block (207) is fixedly connected with a cross rod (201), a first round block (206) is clamped on the inner wall of the cross rod (201) in a sliding manner, the rear end of the first round block (206) is fixedly connected with an inclined rod (202), the lower part of the front end surface of the diagonal rod (202) is rotationally connected with the left side of the top of the valve (1) through a pin shaft, a spring (205) is fixedly connected with the front end surface of the inclined rod (202), the bottom of the spring (205) is fixedly connected with the left side of the top of the valve (1), one side of the outer wall of the cross rod (201) is in clearance fit with grooves above the left side and the right side of the filter screen (203), the outer wall of the filter screen (203) is in clearance fit with the inner wall of the left side of the top of the valve (1), the lower part of the outer wall of the filter screen (203) is in clearance fit with the left groove at the bottom of the inner wall of the valve (1).

2. A pneumatic diaphragm regulator valve according to claim 1 wherein: the bottom laminating of valve (1) has long board (5), the equal rigid coupling in top left and right sides of long board (5) has shell (6), the top left side rigid coupling of valve (1) has casing (10).

3. A pneumatic diaphragm regulator valve according to claim 1 wherein: the bottom left side of valve (1) is closely laminated with square chest (9), the left and right sides of square chest (9) all passes through bolt (8) and the left and right sides inner wall threaded connection of bent plate (7).

4. A pneumatic diaphragm regulator valve according to claim 2 wherein: a rotating structure (3) is arranged on one side of the shell (6);

the rotating structure (3) comprises a threaded rod (301), a curved rod (302), a second round block (303) and a transverse block (304);

the one end inner wall that the bearing and shell (6) were passed through to outer wall one side of threaded rod (301) rotates to be connected, the outer wall threaded connection of threaded rod (301) has horizontal piece (304), preceding terminal surface rigid coupling second circle piece (303) of horizontal piece (304), the outer wall slip joint of second circle piece (303) has curved bar (302), the inner wall one end rotation of round pin axle and shell (6) is connected in preceding terminal surface one side of curved bar (302).

5. A pneumatic diaphragm regulator valve according to claim 2 wherein: a moving structure (4) is arranged above the long plate (5);

the moving structure (4) comprises a second sliding rod (401), a straight rod (402), a vertical block (403) and a short rod (404);

the bottom of second slide bar (401) respectively with the top left and right sides fixed connection of long board (5), the outer wall slip joint of second slide bar (401) has erect piece (403), the one end rigid coupling of erecting piece (403) has straight-bar (402), the outer wall one side of straight-bar (402) respectively with the left and right sides below recess clearance fit of valve (1), the one end of erecting piece (403) is rotated through the round pin axle and is connected with quarter butt (404), the preceding terminal surface department of buckling of preceding terminal surface top through round pin axle and curved bar (302) of quarter butt (404) rotates and is connected.