CN211175393U

CN211175393U - Electric regulating valve

Info

Publication number: CN211175393U
Application number: CN201920959111.3U
Authority: CN
Inventors: 胡汗华
Original assignee: Zhejiang Juhua Valve Co ltd
Current assignee: Juhua Valve Co., Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-08-04
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses an electric control valve, including ring flange, flange dish and valve body, the bottom of ring flange has the flange dish through bolt threaded connection, and the bottom welding of flange dish has the valve body, be provided with the control box directly over the valve body, the bottom threaded connection of control box has the support frame, the bottom of support frame and the upper surface threaded connection of ring flange. The utility model discloses in, at first, be used for being equipped with the coupling assembling that can fix its position earlier on the ring flange between control box and the valve body, when the installation, need not workman fixed control box by oneself, only need to insert the lower flange of ring flange with last ring flange and can fix, easy operation is convenient and use manpower sparingly, secondly, because the ring flange has been fixed, even the bolt is not hard up in the use, the ring flange also can not become flexible, the leakproofness is strong and the security performance is high, and finally, because the valve body both ends are provided with the filter screen, can guarantee the purity of liquid, and the filter screen is convenient to be dismantled and install.

Description

Electric regulating valve

Technical Field

The utility model relates to a governing valve technical field especially relates to electric control valve.

Background

The electric regulating valve is an important execution unit instrument in industrial automation process control, is increasingly applied to various industrial production fields along with the increasingly high automation degree of the industrial field, and has obvious advantages compared with the traditional pneumatic regulating valve: the electric control valve is energy-saving (only consumes electric energy when in work), environment-friendly (no carbon emission), and can be divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to the power used by an actuating mechanism matched with the valve.

The connection between the control box and the valve body is important, when the control box and the valve body are installed, the flange face connected with the control box is ensured to be accurately aligned with the flange on the valve body so as to enable the surface of the gasket to be uniformly contacted, after the flanges are aligned, because the two flange faces are not connected, a worker needs to vacate one hand to fix the flange plate connected with the control box, great effort is required, then the worker needs to lightly screw the bolts and finally sequentially screw the bolts in a staggered mode, if the bolt screwing mode is not aligned, a gap is generated between the installation faces of the two flanges, the use is inconvenient, and because the bolts are easily contacted with water, the bolts are easy to rust, so that the installation positions of the two flanges are loosened, because the flanges are not provided with other fixing modes, when the installation positions of the two flanges are loosened, the flanges cannot play a connecting role, if the device is still operated, an accident danger occurs, need dismantle the device, the step is loaded down with trivial details, and the both ends limbers of valve body do not have the filter screen, if valve body or the pipeline inner wall of connecting the valve body water inlet corrode, lead to the pipe wall material to drop, make the higher liquid of original purity like this can have a large amount of impurity, can influence normal industrial use or family even when serious and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric regulating valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the electric regulating valve comprises a flange plate, a flange plate and a valve body, wherein the bottom of the flange plate is connected with the flange plate through bolt threads, the valve body is welded at the bottom of the flange plate, a control box is arranged right above the valve body, the bottom of the control box is connected with a support frame through threads, the bottom of the support frame is connected with the upper surface of the flange plate through threads, a limiting groove is formed in the center of the flange plate in a penetrating mode along the height direction, a hollow cylinder is vertically welded at the bottom of the flange plate and positioned outside the limiting groove, an inverted trapezoidal steel ring is vertically welded at the bottom of the flange plate and positioned outside the hollow cylinder, a groove is formed in the upper surface of the flange plate and positioned right below the limiting groove along the height direction, the inverted trapezoidal steel ring is positioned inside the groove, the outer surface wall of the inverted trapezoidal steel ring is attached to the inner side wall of the groove, and a cylindrical groove is formed in the bottom center, the equal level in both sides that lie in the spacing groove on the bottom inner wall of recess has seted up the bar spout, through two in the recess bar spout sliding connection has two splint respectively, and two the exterior wall of splint all laminates with the interior wall of falling trapezoidal steel ring mutually, the mounting panel has all been welded at the both ends of valve body, and two the back of the body center department of mounting panel all has seted up the thread groove along the horizontal direction, two equal threaded connection has hollow threaded rod in the thread groove.

Preferably, two the inside of hollow threaded rod is equipped with the filter screen, two the opposite face of mounting panel is gone up and the outside that is located the valve body all has seted up the ring channel along the circumferencial direction.

Preferably, push rods are connected to the two annular grooves in a sliding mode along the circumferential direction, and one end, penetrating through the two push rods, of the annular grooves is welded to the two hollow threaded rods respectively.

Preferably, four holes are formed in the flange plate and the flange plate at equal intervals along the circumferential direction, and the four holes are internally and evenly connected with bolts in a threaded manner.

Preferably, a pull rod is arranged at the center of the bottom of the control box and located inside the limiting groove, the hollow cylinder and the groove, and a valve core is fixed at one end of the pull rod penetrating into the valve body.

Preferably, two all the bonding has the rubber pad on the interior table wall of splint, two the structure of overlooking of splint is the arc structure, and two the front view section of splint is right trapezoid structure.

Preferably, the upper surface of the flange plate is paved with a gasket.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: firstly, be equipped with the coupling assembling that can fix its position earlier on the ring flange for between control box and the valve body, when the installation, need not workman's fixed control box by oneself, only need to insert lower ring flange with the upper flange and can fix, easy operation is convenient and fast and use manpower sparingly, secondly, because the ring flange has been fixed, when using the bolt reinforcement again, no matter according to what order to twist the bolt, the gap can not appear between two flanges, even the bolt is not hard up in the use, the ring flange also can not become flexible, can directly change the bolt on the ring flange after the installation is accomplished, the leakproofness is strong and the security performance is high, finally, because the valve body both ends are provided with the filter screen, can guarantee the purity of liquid, and the filter screen is convenient to be dismantled and install.

Drawings

Fig. 1 is a schematic front view of an electric control valve according to the present invention;

fig. 2 is a schematic view of an internal structure of a joint of the electric control valve provided by the present invention;

fig. 3 is a schematic view of the flange plate of the electric control valve according to the present invention;

fig. 4 is a schematic view of a top view of a flange of the electric control valve according to the present invention;

fig. 5 is a schematic side view of the mounting plate of the electric control valve provided by the present invention.

In the figure: 1. a flange plate; 2. a support frame; 3. a control box; 4. a pull rod; 5. a flange disc; 6. mounting a plate; 7. a valve body; 8. a splint; 9. a groove; 10. a gasket; 11. an inverted trapezoidal steel ring; 12. a limiting groove; 13. a hollow cylinder; 14. an eyelet; 15. a cylindrical groove; 16. a hollow threaded rod; 17. filtering with a screen; 18. a thread groove; 19. a push rod; 20. a valve core; 21. a strip-shaped chute; 22. a rubber pad; 23. an annular groove.

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. 1-5, the present invention provides an embodiment: the electric regulating valve comprises a flange plate 1, a flange plate 5 and a valve body 7, the overlooking structures of the flange plate 1 and the flange plate 5 are both right circular and have the same diameter, the bottom of the flange plate 1 is connected with the flange plate 5 through bolt threads, the valve body 7 is welded at the bottom of the flange plate 5, water through holes are formed in two ends of the valve body 7, a control box 3 is arranged right above the valve body 7, the bottom of the control box 3 is connected with a support frame 2 through threads, the bottom of the support frame 2 is connected with the upper surface of the flange plate 1 through threads, a limiting groove 12 penetrates through the center of the flange plate 1 along the height direction, a hollow cylinder 13 is vertically welded at the bottom of the flange plate 1 and outside the limiting groove 12, an inverted trapezoidal steel ring 11 is vertically welded at the bottom of the flange plate 1 and outside the hollow cylinder 13, the orthographic section structure of the inverted trapezoidal steel ring 11 is, the upper surface of the flange disc 5 is arranged under the limit groove 12 and is provided with a groove 9 along the height direction, the overlooking structure of the groove 9 is regular round, the inverted trapezoidal steel ring 11 is arranged inside the groove 9, the outer wall of the inverted trapezoidal steel ring 11 is attached to the inner side wall of the groove 9, the bottom center of the groove 9 is arranged outside the hollow cylinder 13 and is provided with a cylindrical groove 15 along the depth direction, the inner wall of the bottom of the groove 9 is horizontally provided with strip-shaped sliding grooves 21 at two sides of the limit groove 12, the groove 9 is internally and respectively connected with two clamping plates 8 through the two strip-shaped sliding grooves 21 in a sliding way, the outer walls of the two clamping plates 8 are attached to the inner wall of the inverted trapezoidal steel ring 11, the two clamping plates 8 are made of elastic steel, the two ends of the valve body 7 are both welded with the mounting plates 6, the centers of the opposite surfaces of the two mounting plates 6 are both provided with thread grooves 18 along the horizontal direction, the diameters of, the two thread grooves 18 are internally and respectively in threaded connection with a hollow threaded rod 16, and the diameter of the hollow part in the hollow threaded rod 16 is equal to that of a water through opening on the valve body 7.

Further, the inside of two hollow threaded rods 16 is equipped with filter screen 17, and filter screen 17 is the steel mesh, and the annular groove 23 has all been seted up along the circumferencial direction in the relative face of two mounting panels 6 and the outside that is located valve body 7.

Furthermore, all there is push rod 19 along circumferencial direction sliding connection in two ring channels 23, and two push rods 19 run through to the one end in the thread groove 18 respectively with two hollow threaded rod 16 looks welding, because the back of the body of mounting panel 6 need connect the water pipe or other device, so set up push rod 19 on the opposite face of mounting panel 6, do not hinder the user to put through other devices on mounting panel 6.

Furthermore, four holes 14 are formed in the flange plate 1 and the flange plate 5 at equal intervals along the circumferential direction, and bolts are connected to the four holes 14 in a threaded manner.

Furthermore, a pull rod 4 is arranged at the center of the bottom of the control box 3, the pull rod 4 is located inside the limiting groove 12, the hollow cylinder 13 and the groove 9, and a valve core 20 is fixed at one end of the pull rod 4 penetrating into the valve body 7.

Further, all bond rubber pad 22 on the interior table wall of two splint 8, rubber pad 22 can alleviate two splint 8 to the wearing and tearing of hollow cylinder 13, prolongs the device life, and two splint 8 overlook the structure and be the arc structure, and two splint 8's front view section is right trapezoid structure.

Further, the upper surface of the flange plate 5 is laid with a gasket 10, and the gasket 10 is made of a rubber sheet or a copper sheet, and is a material placed between two planes to enhance sealing, which is a sealing member for preventing fluid leakage.

The working principle is as follows: when the water purifying valve is used, the holes 14 on the flange plate 1 are aligned with the holes 14 on the flange plate 5, the inverted trapezoidal steel ring 11 and the hollow cylinder 13 are placed in the groove 9, the hollow cylinder 13 can descend into the limiting groove 12 in the descending process of the flange plate 1, the inverted trapezoidal steel ring 11 can push the two clamping plates 8 inwards to clamp the hollow cylinder 13 when descending, the hollow cylinder 13 is welded with the flange plate 1, the position of the flange plate 1 is also fixed after the clamping plates 8 fix the hollow cylinder 13, a user can fix the flange plate 1 and the flange plate 5 by using bolts, the push rod 19 on the hollow threaded rod 16 is inserted into the annular groove 23 on the mounting plate 6, the hollow threaded rod 16 is screwed into the threaded groove 18, the push rod 19 can extend out of the annular groove 23, when water flows through, the filter screen 17 can filter impurities in water, and ensures that the water flowing out of the valve body 7 is high-purity water, if the filter screen 17 is to be removed and cleaned or replaced, the push rod 19 is pushed along the annular groove 23, and the hollow threaded rod 16 of the push rod 19 is connected, so that the hollow threaded rod 16 can rotate in the same direction until the hollow threaded rod is screwed out of the threaded groove 18, and the filter screen 17 in the hollow threaded rod 16 can be cleaned.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Electric control valve, including ring flange (1), flange dish (5) and valve body (7), its characterized in that: the bottom of the flange plate (1) is connected with a flange plate (5) through bolt threads, the bottom of the flange plate (5) is welded with a valve body (7), a control box (3) is arranged right above the valve body (7), the bottom of the control box (3) is connected with a support frame (2) through threads, the bottom of the support frame (2) is connected with the upper surface of the flange plate (1) through threads, a limit groove (12) is formed in the center of the flange plate (1) in a penetrating mode along the height direction, a hollow cylinder (13) is vertically welded at the bottom of the flange plate (1) and located outside the limit groove (12), an inverted trapezoidal steel ring (11) is vertically welded at the bottom of the flange plate (1) and located outside the hollow cylinder (13), and a groove (9) is formed in the height direction under the upper surface of the flange plate (5) and located below the limit groove (12), the inverted trapezoidal steel ring (11) is positioned inside the groove (9), the outer wall of the inverted trapezoidal steel ring (11) is attached to the inner side wall of the groove (9), a cylindrical groove (15) is arranged at the center of the bottom of the groove (9) and positioned outside the hollow cylinder (13) along the depth direction, the inner wall of the bottom of the groove (9) is provided with a strip-shaped sliding groove (21) horizontally arranged on both sides of the limit groove (12), two clamping plates (8) are respectively connected in the groove (9) in a sliding way through two strip-shaped sliding grooves (21), the outer surfaces of the two clamping plates (8) are attached to the inner surface of the inverted trapezoidal steel ring (11), the two ends of the valve body (7) are welded with the mounting plates (6), and the centers of the back surfaces of the two mounting plates (6) are both provided with thread grooves (18) along the horizontal direction, and the two thread grooves (18) are internally and uniformly connected with hollow threaded rods (16) in a threaded manner.

2. The electrical regulator valve according to claim 1, wherein: two the inside of hollow threaded rod (16) is equipped with filter screen (17), two ring channel (23) have all been seted up along the circumferencial direction in the outside that just is located valve body (7) on the opposite face of mounting panel (6).

3. The electrical regulator valve according to claim 2, wherein: push rods (19) are connected in the two annular grooves (23) in a sliding mode along the circumferential direction, and one end, penetrating into the thread groove (18), of each push rod (19) is welded with the two hollow threaded rods (16) respectively.

4. The electrical regulator valve according to claim 1, wherein: four eyelets (14) are all seted up along the circumferencial direction equidistance on ring flange (1) and flange dish (5), and four equal threaded connection has the bolt in eyelet (14).

5. The electrical regulator valve according to claim 1, wherein: the valve is characterized in that a pull rod (4) is arranged at the center of the bottom of the control box (3), the pull rod (4) is located inside the limiting groove (12), the hollow cylinder (13) and the groove (9), and a valve core (20) is fixed at one end, penetrating through the pull rod (4), of the interior of the valve body (7).

6. The electrical regulator valve according to claim 1, wherein: rubber pads (22) are bonded on the inner surface walls of the two clamping plates (8), the overlooking structures of the two clamping plates (8) are arc-shaped structures, and the front-view sections of the two clamping plates (8) are right-angled trapezoid structures.

7. The electrical regulator valve according to claim 1, wherein: and a gasket (10) is laid on the upper surface of the flange disc (5).