CN213419920U

CN213419920U - Electric high-performance double-eccentric butterfly valve

Info

Publication number: CN213419920U
Application number: CN202021987572.0U
Authority: CN
Inventors: 钟海洋
Original assignee: Yancheng Keanda Machinery Manufacturing Co ltd
Current assignee: Yancheng Keanda Machinery Manufacturing Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-06-11
Anticipated expiration: 2030-09-12

Abstract

The utility model discloses an electric high-performance double-eccentric butterfly valve, which comprises a valve body, a valve plate and a fixed seat; a valve body: a connecting seat communicated with the inner cavity of the valve body is arranged on the upper side of the middle part, a rotating shaft is arranged in the middle of the connecting seat, a worm wheel is fixed on the upper end face of the rotating shaft, an upper seat box is arranged at the upper end opening of the connecting seat, and an electric component matched with the worm wheel is arranged in the upper seat box; a valve plate: the valve plate is arranged in the inner cavity of the valve body, and a guide bolt is fixed on the side surface of the valve plate; fixing a base: the side frames are fixed on two sides of the fixed seat oppositely, a bar hole is formed in the middle of the side frame on the right side, and the guide bolt is in sliding fit with the bar hole; still include gear and tooth's socket, the gear is fixed at the middle part of pivot, the tooth's socket is established in the side of valve plate, and gear and tooth's socket meshing, this electronic high performance double-eccentric butterfly valve reduces the friction between disk seat and the valve plate, guarantees the sealing capacity, prolongs holistic life simultaneously.

Description

Electric high-performance double-eccentric butterfly valve

Technical Field

The utility model relates to an eccentric butterfly valve technical field specifically is an electronic high performance double eccentric butterfly valve.

Background

The double eccentric butterfly valve is also called as high-performance butterfly valve, is mainly suitable for drainage of systems such as water plants, power plants, steel plant smelting, chemical engineering, water source spring engineering, environmental facility construction and the like, is particularly suitable for water pipeline, and is used as regulating and intercepting equipment. Compared with a center line butterfly valve, the double-eccentric butterfly valve is more resistant to high pressure, longer in service life and good in stability. Compared with other valves, the valve plate has the advantages that the material with larger caliber is lighter, the cost is lower, the existing valve plate and the valve seat still have unnecessary extrusion and scraping phenomena, the resistance distance is increased, and the service life of the valve seat is shortened due to abrasion.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an electronic high performance double eccentric butterfly valve, reduce the friction between disk seat and the valve plate, guarantee the closure ability, prolong holistic life simultaneously, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric high-performance double-eccentric butterfly valve comprises a valve body, a valve plate and a fixed seat;

a valve body: a connecting seat communicated with the inner cavity of the valve body is arranged on the upper side of the middle part, a rotating shaft is arranged in the middle of the connecting seat, a worm wheel is fixed on the upper end face of the rotating shaft, an upper seat box is arranged at the upper end opening of the connecting seat, and an electric component matched with the worm wheel is arranged in the upper seat box;

a valve plate: the valve plate is arranged in the inner cavity of the valve body, and a guide bolt is fixed on the side surface of the valve plate;

fixing a base: the side frames are fixed on two sides of the fixed seat oppositely, a bar hole is formed in the middle of the side frame on the right side, and the guide bolt is in sliding fit with the bar hole;

wherein: the valve plate is characterized by further comprising a gear and a tooth groove, the gear is fixed in the middle of the rotating shaft, the tooth groove is formed in the side face of the valve plate, and the gear is meshed with the tooth groove.

Further, be fixed with the disk seat on the inboard curved surface of valve body, and the disk seat is in one side of valve plate, valve body both ends kneck all is equipped with the flange, plays confined effect through disk seat and valve plate laminating.

Further, still include the seal receptacle, the seal receptacle is established in the annular gap between connecting seat and pivot, fills the gap between connecting seat and the pivot through the seal receptacle, avoids the fluid to go upward through the connecting seat.

Further, electric component is including adjusting pole, worm cover and servo motor, it transversely sets up in the upper box to adjust the pole, the fixed worm cover that has cup jointed in middle part of adjusting the pole, worm cover and worm wheel meshing, servo motor fixes the inner chamber left end at the upper box, servo motor's output shaft links to each other with the inboard end of adjusting the pole is fixed, the outside end of adjusting the pole is fixed with the hand wheel, all can control the switching through servo motor and hand wheel, opens and stops the convenience.

Further, still include spring holder and extension spring, the spring holder is fixed in the side of valve plate, the spring holder is fixed with extension spring's one end and is linked to each other, extension spring's the other end and the side bearer are fixed and are linked to each other, drive the reseing of valve plate through extension spring, have good enclosure capacity.

Compared with the prior art, the beneficial effects of the utility model are that: this electronic high performance double eccentric butterfly valve has following benefit:

1. according to the electric high-performance double-eccentric butterfly valve, the valve plate and the rotating shaft are separately installed, and the valve plate can transversely displace when rotating along with the rotating shaft, so that extrusion and friction between the valve plate and a valve seat when the valve plate is turned over are weakened, and the service life of the whole butterfly valve is ensured;

2. the resistance distance is reduced when the valve plate is deviated, the labor is saved during opening, and the valve plate is convenient to open and close through a hand wheel;

3. the valve plate is driven to reset through the extension spring, and the valve plate resets after being closed, so that the valve plate is stably contacted with the valve seat, and the valve seat has good sealing capacity.

Drawings

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

FIG. 2 is a schematic view of the vertical cross-section structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: the hydraulic servo valve comprises a valve body 1, a valve seat 101, a flange 102, a connecting seat 2, a sealing seat 201, a rotating shaft 3, a worm wheel 301, an electric component 4, an adjusting rod 401, a worm sleeve 402, a servo motor 403, a valve plate 5, a guide bolt 501, a fixed seat 6, a side frame 601, a side frame 602 hole, a gear 7, a tooth socket 8, a spring seat 9, a tension spring 10 and an upper seat box 11.

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: an electric high-performance double-eccentric butterfly valve comprises a valve body 1, a valve plate 5 and a fixed seat 6;

valve body 1: a connecting seat 2 communicated with the inner cavity of the valve body 1 is arranged on the upper side of the middle part, a rotating shaft 3 is arranged on the middle part of the connecting seat 2, a worm wheel 301 is fixed on the upper end surface of the rotating shaft 3, an upper seat box 11 is arranged at the upper end opening of the connecting seat 2, and an electric component 4 matched with the worm wheel 301 is arranged in the upper seat box 11;

a valve seat 101 is fixed on the inner curved surface of the valve body 1, the valve seat 101 is positioned at one side of the valve plate 5, and flanges 102 are arranged at the interfaces at the two ends of the valve body 1;

the sealing device also comprises a sealing seat 201, wherein the sealing seat 201 is arranged in an annular gap between the connecting seat 2 and the rotating shaft 3;

the electric assembly 4 comprises an adjusting rod 401, a worm sleeve 402 and a servo motor 403, the adjusting rod 401 is transversely arranged in the upper seat box 11, the worm sleeve 402 is fixedly sleeved in the middle of the adjusting rod 401, the worm sleeve 402 is meshed with the worm wheel 301, the servo motor 403 is fixed at the left end of the inner cavity of the upper seat box 11, the output shaft of the servo motor 403 is fixedly connected with the inner side end of the adjusting rod 401, and a hand wheel is fixed at the outer side end of the adjusting rod 401;

valve plate 5: the guide bolt 501 is arranged in the inner cavity of the valve body 1, and the side surface of the valve plate 5 is fixed with the guide bolt;

fixing base 6: the fixed seat is fixed in the middle of the rotating shaft 3, the side frames 601 are relatively fixed on two sides of the fixed seat 6, the middle part of the side frame 601 on the right side is provided with a bar hole 602, and the guide bolt 501 is in sliding fit with the bar hole 602;

the resistance distance is reduced when the valve plate 5 deviates, the labor is saved during opening, and the valve plate 5 is convenient to open and close through a hand wheel;

wherein: the valve plate is characterized by further comprising a gear 7 and a tooth groove 8, wherein the gear 7 is fixed in the middle of the rotating shaft 3, the tooth groove 8 is formed in the side face of the valve plate 5, and the gear 7 is meshed with the tooth groove 8;

the valve plate is characterized by further comprising a spring seat 9 and an extension spring 10, wherein the spring seat 9 is fixed on the side face of the valve plate 5, the spring seat 9 is fixedly connected with one end of the extension spring 10, the other end of the extension spring 10 is fixedly connected with the side frame 601, the extension spring 10 drives the valve plate 5 to reset, and the valve plate 5 resets after being closed, so that the valve plate 5 is stably contacted with the valve seat 101, and the valve plate has good sealing capacity.

This electronic high performance double-eccentric butterfly valve,

valve plate

5 and 3 separation installations of pivot, valve plate 5 can carry out lateral displacement when rotating along with pivot 3 to weaken 5 extrusion and the friction with disk seat 101 when overturning of valve plate, guarantee holistic life.

When in use:

all can drive through servo motor 403 and hand wheel and adjust pole 401 and rotate, when adjusting pole 401 and rotating, cooperation through worm cover 402 and worm wheel 301 drives pivot 3 and rotates, because guide bolt 501 and the spacing cooperation of a hole 602, pivot 3 and valve plate 5 overturn in step, gear 7 is fixed with pivot 3, gear 7 stirs tooth's socket 8 during the rotation, guide bolt 501 is fixed with valve plate 5, and move along a hole 602, make valve plate 5 perpendicular and pivot 3's axis carry out certain skew, weaken the extrusion to disk seat 101 when overturning, extension spring 10 extension this moment, accomplish and open, valve plate 5 when the closure is reverse when the upset squints, extension spring 10 contracts, valve plate 5 and disk seat 101 are stably laminated.

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. The utility model provides an electronic high performance double eccentric butterfly valve which characterized in that: comprises a valve body (1), a valve plate (5) and a fixed seat (6);

valve body (1): a connecting seat (2) communicated with the inner cavity of the valve body (1) is arranged on the upper side of the middle part of the valve body, a rotating shaft (3) is arranged on the middle part of the connecting seat (2), a worm wheel (301) is fixed on the upper end face of the rotating shaft (3), an upper seat box (11) is arranged at the upper end opening of the connecting seat (2), and an electric component (4) matched with the worm wheel (301) is arranged in the upper seat box (11);

valve plate (5): the valve plate is arranged in the inner cavity of the valve body (1), and a guide bolt (501) is fixed on the side surface of the valve plate (5);

fixing base (6): the fixed seat is fixed in the middle of the rotating shaft (3), side frames (601) are oppositely fixed on two sides of the fixed seat (6), a bar hole (602) is formed in the middle of the side frame (601) on the right side, and the guide bolt (501) is in sliding fit with the bar hole (602);

wherein: still include gear (7) and tooth's socket (8), the middle part in pivot (3) is fixed in gear (7), the side at valve plate (5) is established in tooth's socket (8), and gear (7) and tooth's socket (8) meshing.

2. An electric high-performance double eccentric butterfly valve according to claim 1, characterized in that: the valve is characterized in that a valve seat (101) is fixed on the inner side curved surface of the valve body (1), the valve seat (101) is located on one side of the valve plate (5), and flanges (102) are arranged at the joints of the two ends of the valve body (1).

3. An electric high-performance double eccentric butterfly valve according to claim 1, characterized in that: still include seal receptacle (201), seal receptacle (201) are established in the annular gap between connecting seat (2) and pivot (3).

4. An electric high-performance double eccentric butterfly valve according to claim 1, characterized in that: electric component (4) are including adjusting pole (401), worm cover (402) and servo motor (403), it transversely sets up in last seat case (11) to adjust pole (401), the fixed worm cover (402) that has cup jointed in middle part of adjusting pole (401), worm cover (402) and worm wheel (301) meshing, servo motor (403) are fixed at the inner chamber left end of last seat case (11), the output shaft of servo motor (403) is fixed with the inboard end of adjusting pole (401) and is linked to each other, the outside end of adjusting pole (401) is fixed with the hand wheel.

5. An electric high-performance double eccentric butterfly valve according to claim 1, characterized in that: still include spring holder (9) and extension spring (10), the side at valve plate (5) is fixed in spring holder (9), spring holder (9) are fixed even with the one end of extension spring (10), the other end and the side bearer (601) of extension spring (10) are fixed continuous.