Electric flange butterfly valve

Abstract

The utility model relates to an electric flange butterfly valve which comprises a valve body, a connecting pipe and an electric control box. According to the electric flange butterfly valve, the electric control opening and closing mechanism is arranged, firstly, when a servo motor operates, a first rectangular gear can be stably driven to rotate, then through the arrangement of components such as a first bearing, the first rectangular gear can drive a transmission rod to stably rotate through the meshing connection relation with a second rectangular gear, and therefore the electric flange butterfly valve is opened and closed. And finally, a transmission sleeve and other parts are arranged, a transmission rod can drive two semi-arc-shaped extension plates to move while rotating stably, when a touch plate on one semi-arc-shaped extension plate makes contact with a rotation control induction plate on an electric control plate, the electric control plate can directly close a servo motor, and the servo motor is driven to rotate. And at the moment, the sealing assembly on the transmission rod can seal the inner wall of the valve main body, so that the valve opening and closing efficiency can be effectively improved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange butterfly valve production technical field, concretely is a kind of electric flange butterfly valve. BACKGROUND

[0002] Flange butterfly valve is a kind of equipment for temperature ≤120 ℃ or ≤150 ℃, nominal pressure ≤1.6MPa water supply and drainage, metallurgy, energy system and light textile industry, its design structure is simple, small in size, light in weight, usually adopts flange connection mode, applicable to various industrial pipeline systems.

[0003] At present, existing flange butterfly valve is various, for example, Chinese patent No. CN202022460909.9, a kind of flange butterfly valve, the patent includes valve body, transmission box and detachable hand-held runner, the valve body is connected with valve stem, the valve stem is inserted into valve body end fixedly connected with valve plate, the other end of the valve stem is fixedly connected with worm gear, the worm gear side is connected with the worm gear matched therewith, the worm gear one end is provided with spline, the transmission box is hinged with the hingeable cover plate on the spline side upper end, the hand-held runner one end is provided with rotary disc, the hand-held runner other end is provided with keyway matched with spline, the transmission box hinge cover plate side lower end is provided with first connecting hole, the cover plate is provided with second connecting hole matched with first connecting hole, the first connecting hole and second connecting hole are connected with padlock, the utility model hand-held runner is detachable component, flange butterfly valve is adjusted, and hand-held runner can be removed to prevent malicious adjustment by others after completion, and the cover plate can reduce the erosion of spline by external environment, and padlock can further guarantee the safety of flange butterfly valve, but due to the valve is too cumbersome when opening and closing, it has been unable to meet the needs of the market. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides an electric flange butterfly valve, which has the advantages of electrically controlling the opening and closing of the valve, and solves the problem of cumbersome operation of the valve.

[0005] To achieve the above-mentioned purpose of electrically controlling the opening and closing of the valve, the utility model provides the following technical scheme: an electric flange butterfly valve, comprising a valve body, a connecting pipe and an electric control box, the valve body is provided with a connecting pipe, the connecting pipe is connected with an electric control box above, the electric control box is provided with an electric control opening and closing mechanism extending into the valve body inside.

[0006] The electric control opening and closing mechanism comprises a servo motor, a first bearing, a second bearing, a third bearing and an electric control board, a servo motor, two first bearings and two electric control boards are fixedly installed in the electric control box, a second bearing is fixedly installed in the connecting pipe, a third bearing is fixedly installed in the valve body, a first rectangular gear is fixedly connected to the output shaft of the servo motor, a transmission rod is fixedly connected to the inner walls of the two first bearings, the second bearing and the third bearing, a second rectangular gear and a transmission sleeve are fixedly installed on the transmission rod, half-arc extension plates are fixedly connected to the left and right sides of the transmission sleeve, touch plates are fixedly installed on the two half-arc extension plates, and rotary control induction plates are arranged on the two electric control boards.

[0007] Further, the teeth of the first rectangular gear are connected with the teeth of the second rectangular gear, and the connection relationship between the two is meshing connection.

[0008] Further, the two electric control boards are respectively located at the front and rear inner walls of the electric control box, and the two electric control boards are connected with the servo motor in an electric connection relationship.

[0009] Further, a controller is fixedly installed on the right side of the electric control box.

[0010] Further, the side of the transmission rod extending into the valve body is provided with a sealing assembly, the sealing assembly comprises a circular butterfly plate and a sealing ring, the side of the transmission rod extending into the valve body is fixedly connected with the circular butterfly plate, and the outer portion of the circular butterfly plate is provided with the sealing ring.

[0011] Further, a plurality of connecting holes are arranged on the front and rear sides of the connecting pipe.

[0012] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0013] 1. The electric flange butterfly valve, by setting the electric control opening and closing mechanism, first when the servo motor runs, it will stably drive the first rectangular gear to rotate, then by setting the first bearing, the second bearing, the third bearing, the transmission rod and the second rectangular gear, so that the first rectangular gear can be connected through the meshing connection relationship with the second rectangular gear, and then drive the transmission rod to produce stable rotation, finally by setting the transmission sleeve, the half-arc extension plate, the touch plate, the electric control board and the rotation control induction plate, the transmission rod will also drive the two half-arc extension plates to displace while rotating stably, when the touch plate on one of the half-arc extension plates contacts the rotation control induction plate on the electric control board, the electric control board will directly close the servo motor, at this time the closing assembly on the transmission rod will close the inner wall of the valve body, in reverse, when the servo motor is started again, the output shaft of the servo motor will be reversed, if the touch plate on one of the half-arc extension plates contacts the rotation control induction plate again during the reversing process, the electric control board will also close the servo motor again, and the closing assembly inside the valve body will present an open-close state at this time, thereby the design can effectively improve the efficiency of the on-off valve, and the practicability is relatively strong. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural front view of the utility model;

[0016] Figure 3 It is a structural front view of the utility model;

[0017] Figure 4 It is a front view of the electric control opening and closing mechanism of the utility model;

[0018] Figure 5 It is a top view of the electric control box of the utility model;

[0019] Figure 6 It is a schematic view of the transmission sleeve and the half-arc extension plate of the utility model.

[0020] In the drawing: 1, valve body; 2, connecting pipe; 3, electric control box; 4, electric control opening and closing mechanism; 401, servo motor; 402, first bearing; 403, second bearing; 404, third bearing; 405, first rectangular gear; 406, transmission rod; 407, second rectangular gear; 408, transmission sleeve; 409, half-arc extension plate; 410, touch plate; 411, electric control board; 412, rotation control induction plate; 5, controller; 6, closing assembly; 601, circular butterfly plate; 602, sealing ring. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-6 The electric flange butterfly valve in the embodiment comprises a valve body 1, a connecting pipe 2 and an electric control box 3, the connecting pipe 2 is installed on the valve body 1, the electric control box 3 is connected above the connecting pipe 2, and an electric control opening and closing mechanism 4 extending into the valve body 1 is arranged in the electric control box 3.

[0023] The electric control opening and closing mechanism 4 comprises a servo motor 401, a first bearing 402, a second bearing 403, a third bearing 404 and an electric control board 411, the inside of the electric control box 3 is fixedly provided with a servo motor 401, two first bearings 402 and two electric control boards 411, the positions of the two electric control boards 411 are respectively located on the inner walls of the front and rear sides of the electric control box 3, the two electric control boards 411 are connected with the servo motor 401, and the connection relationship is electric connection, the output shaft of the servo motor 401 is fixedly connected with a first rectangular gear 405, first, when the servo motor 401 operates, the first rectangular gear 405 will be stably driven to rotate, the inside of the connecting pipe 2 is fixedly provided with a second bearing 403, the inside of the valve body 1 is fixedly provided with a third bearing 404, the inner walls of the two first bearings 402, the second bearing 403 and the third bearing 404 are fixedly connected with a transmission rod 406, the transmission rod 406 is fixedly provided with a second rectangular gear 407 and a transmission sleeve 408, wherein the teeth of the first rectangular gear 405 are connected with the teeth of the second rectangular gear 407, and the connection relationship between the two is meshing connection, then by arranging the first bearing 402, the second bearing 403, the third bearing 404, the transmission rod 406 and the second rectangular gear 407, the first rectangular gear 405 can be stably rotated by the meshing connection relationship with the second rectangular gear 407, and then the transmission rod 406 is driven to rotate stably, the left and right sides of the transmission sleeve 408 are fixedly connected with half-arc extension plates 409, the two half-arc extension plates 409 are fixedly provided with touch plates 410, the two electric control boards 411 are provided with rotary control induction plates 412, finally, by arranging the transmission sleeve 408, the half-arc extension plates 409, the touch plates 410, the electric control boards 411 and the rotary control induction plates 412, the transmission rod 406 will also drive the two half-arc extension plates 409 to displace while rotating stably, when the touch plate 410 on one of the half-arc extension plates 409 contacts the rotary control induction plate 412 on the electric control board 411, the electric control board 411 will directly close the servo motor 401, at this time, the closing assembly 6 on the transmission rod 406 will close the inner wall of the valve body 1, on the contrary, when the servo motor 401 is started again, the output shaft of the servo motor 401 will be reversed, if the touch plate 410 on one of the half-arc extension plates 409 contacts the rotary control induction plate 412 again during the reversing process, the electric control board 411 will also close the servo motor 401 again, and the closing assembly 6 in the valve body 1 will be in an opening and closing state at this time, thereby the design can effectively improve the efficiency of the on-off valve, and the practicability is high.

[0024] In the case implementation, the right side of the electric control box 3 is fixedly provided with a controller 5, the controller 5 and the electronic elements in the patent are electrically connected through wires, so as to facilitate the operation of the controller 5 to control the operation of the electronic elements.

[0025] In the case implementation, the transmission rod 406 extends to one side inside the valve body 1 is provided with a closed assembly 6, the closed assembly 6 includes a circular butterfly plate 601 and a sealing ring 602, the transmission rod 406 extends to one side inside the valve body 1 is fixedly connected with a circular butterfly plate 601, the outer part of the circular butterfly plate 601 is provided with a sealing ring 602, wherein the outer wall of the sealing ring 602 is in close contact with the inner wall of the valve body 1, which effectively ensures the sealing property of the valve when it is closed, and can reduce the phenomenon of gas or liquid escaping.

[0026] In the case implementation, the front and rear sides of the connecting pipe 2 are provided with a plurality of connecting holes, which can make the valve more stable during installation.

[0027] In the implementation, the following steps are taken:

[0028] 1) First, when the servo motor 401 operates, it will stably drive the first rectangular gear 405 to rotate;

[0029] 2) Then, by setting the first bearing 402 and the second bearing 403 and other components, the first rectangular gear 405 can be connected with the second rectangular gear 407 through the meshing connection relationship, thereby driving the transmission rod 406 to rotate stably;

[0030] 3) Then, by setting the transmission sleeve 408 and other components, the transmission rod 406 will also drive the two half-arc extension plates 409 to displace while rotating stably;

[0031] 4) Finally, when the touch plate 410 on one of the half-arc extension plates 409 contacts the rotation control induction plate 412 on the electric control board 411, the electric control board 411 will directly turn off the servo motor 401, and at this time, the closed assembly 6 on the transmission rod 406 will close the inner wall of the valve body 1.

[0032] In summary, the electric flange butterfly valve, by setting the electric control opening and closing mechanism 4, first when the servo motor 401 runs, it will stably drive the first rectangular gear 405 to rotate, then by setting the first bearing 402, the second bearing 403, the third bearing 404, the transmission rod 406 and the second rectangular gear 407, so that the first rectangular gear 405 can be connected through the meshing relationship with the second rectangular gear 407, and then drive the transmission rod 406 to produce stable rotation, finally by setting the transmission sleeve 408, the half-arc extension plate 409, the touch plate 410, the electric control board 411 and the rotation control induction plate 412, so that the transmission rod 406 will also drive the two half-arc extension plates 409 to displace while rotating stably, when the touch plate 410 on one of the half-arc extension plates 409 contacts the rotation control induction plate 412 on the electric control board 411, the electric control board 411 will directly close the servo motor 401, at this time the closing assembly 6 on the transmission rod 406 will close the inner wall of the valve body 1, in reverse, when the servo motor 401 is started again, the output shaft of the servo motor 401 will be reversed, if one of the half-arc extension plates 409 contacts the rotation control induction plate 412 again during the reversing process, the electric control board 411 will also close the servo motor 401 again, and the closing assembly 6 inside the valve body 1 will be in an open and closed state at this time, thereby the design can effectively improve the efficiency of the on-off valve, which is practical, and solves the problem that the valve is too cumbersome when opening and closing, which has failed to meet the current market demand.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise stated, the term "about" preceding a value or description denotes that the value or description is within 10%, preferably within 1%, and more preferably within 0.1% of the stated value or description.

[0034] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrically operated flange butterfly valve, comprising a valve body (1), a connecting pipe (2) and an electric control box (3), characterized in that: The valve body (1) is provided with a connecting pipe (2), and the upper portion of the connecting pipe (2) is provided with an electric control box (3), and the electric control box (3) is internally provided with an electric control opening and closing mechanism (4) extending into the valve body (1). The electric control opening and closing mechanism (4) comprises a servo motor (401), a first bearing (402), a second bearing (403), a third bearing (404) and an electric control board (411), the electric control box (3) is internally fixedly provided with a servo motor (401), two first bearings (402) and two electric control boards (411), the connecting pipe (2) is internally fixedly provided with a second bearing (403), the valve body (1) is internally fixedly provided with a third bearing (404), the output shaft of the servo motor (401) is fixedly connected with a first rectangular gear (405), the inner walls of the two first bearings (402), the second bearing (403) and the third bearing (404) are fixedly connected with a transmission rod (406), the transmission rod (406) is fixedly provided with a second rectangular gear (407) and a transmission sleeve (408), the left and right sides of the transmission sleeve (408) are fixedly connected with a semi-arc extension plate (409), the two semi-arc extension plates (409) are fixedly provided with a touch plate (410), and the two electric control boards (411) are provided with a rotation control sensing plate (412).

2. The electrically operated flange butterfly valve according to claim 1, wherein: The teeth of the first rectangular gear (405) are connected with the teeth of the second rectangular gear (407), and the connection relationship between the two is meshing connection.

3. The electrically operated flange butterfly valve according to claim 1, wherein: The positions of the two electric control boards (411) are respectively located on the front and rear inner walls of the electric control box (3), the two electric control boards (411) are connected with the servo motor (401), and the connection relationship is electrical connection.

4. The electrically operated flange butterfly valve of claim 1, wherein: The right side of the electric control box (3) is fixedly provided with a controller (5).

5. The electrically operated flange butterfly valve of claim 1, wherein: The side, to which the transmission rod (406) extends into the valve body (1), is provided with a sealing assembly (6), the sealing assembly (6) comprises a circular butterfly plate (601) and a sealing ring (602), the side, to which the transmission rod (406) extends into the valve body (1), is fixedly provided with a circular butterfly plate (601), and the outer portion of the circular butterfly plate (601) is provided with a sealing ring (602).

6. The electrically operated flange butterfly valve of claim 1, wherein: The front and rear sides of the connecting pipe (2) are provided with a plurality of connecting holes.

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