Butterfly plate rotary ball valve

Abstract

The application relates to the technical field of valves, in particular to a butterfly plate rotating ball valve, an opening and closing mechanism of which comprises baffles arranged at two ends of a secondary pipe, one side of the baffle is fixedly provided with a second moving plate, the surface of the main pipe is rotatably connected with a second rotating shaft penetrating through the main pipe on the side close to the secondary pipe, one side of the second rotating shaft is fixedly connected with a butterfly valve, the bottom end of the second rotating shaft is fixedly provided with a second connecting shaft, the bottom end of the second connecting shaft is fixedly provided with a second gear, the surface of the second moving plate is provided with a second mounting groove, one side in the second mounting groove is fixedly provided with a second toothed plate matched with the second gear, the bottom end of the second moving plate is provided with a supporting structure, the second rotating shaft also synchronously rotates by 90 degrees during rotation of the butterfly valve, the second gear synchronously rotates under the connection action of the second connecting shaft and generates a force with the second toothed plate in the second moving plate, so that the baffle is extracted from the two end openings of the secondary pipe, and substances continue to flow through the secondary pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valves, in particular to a butterfly plate rotary ball valve. BACKGROUND

[0002] Ball valve is a kind of valve with a ball as a closure member, which has small flow resistance, does not destroy the shape of the fluid, and is convenient to open and close, so it is widely used.

[0003] The valve body in daily life is a single ball valve or butterfly valve, which makes the sealing not effective enough. When the ball valve inside the valve body is maintained daily, the entire flow mechanism needs to be closed to disassemble the ball valve from the inside of the valve body for daily maintenance, which cannot maintain the flow of substances when the ball valve inside the valve body is maintained, and the flow and production of substances are affected. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the present application provides a butterfly plate rotary ball valve, which can effectively solve the problem that the prior art cannot maintain the flow of substances during the maintenance of the ball valve inside the valve body.

[0005] To achieve the above-mentioned purposes, the present application is realized by the following technical scheme:

[0006] The present application provides a butterfly plate rotary ball valve, which comprises a main pipe, a connecting pipe fixedly installed at the center position of the surface of the main pipe, a connecting seat detachably provided on the surface of the connecting pipe, a limiting mechanism provided in the inside of the connecting seat, and a flow control mechanism provided in the inside of the main pipe.

[0007] The flow control mechanism comprises a ball valve provided at the center position of the inside of the main pipe, a first rotating shaft rotatably connected at the center position of the connecting seat, the other side of the first rotating shaft extending to the inside of the main pipe and fixedly connected with the ball valve, a first through groove symmetrically provided on the arc surface of the connecting pipe, a first moving plate elastically connected in the inside of the first through groove, a cam fixedly installed on the surface of the first rotating shaft in the inside of the connecting pipe, a first installation groove provided on one side of the bottom end of the two first moving plates, a first tooth plate fixedly installed on one side of the inside of the first installation groove, two butterfly valves rotatably connected at both ends of the inside of the main pipe, a first connecting shaft fixedly connected with the butterfly valves through the main pipe and rotatably connected on both sides of the surface of the main pipe, a first gear fixedly installed on the other side of the first connecting shaft and matched with the first tooth plate, a secondary pipe fixedly installed on one side of the surface of the main pipe away from the connecting pipe and extending to the inside of the main pipe, and an opening and closing mechanism provided in the inside of the secondary pipe.

[0008] The opening and closing mechanism comprises a baffle slidingly arranged at both ends inside the auxiliary pipe, one side of the baffle is fixedly provided with a second moving plate, a through hole is formed in the side of the baffle surface away from the second moving plate, a second rotating shaft penetrating through the main pipe is rotationally connected to the side of the main pipe surface close to the auxiliary pipe, the second rotating shaft is fixedly connected to the butterfly valve, a second connecting shaft is fixedly arranged at the bottom end of the second rotating shaft, a second gear is fixedly arranged at the bottom end of the second connecting shaft, a second installation groove is formed in the surface of the second moving plate, a second tooth plate matched with the second gear is fixedly arranged at one side in the second installation groove, and a supporting structure is arranged at the bottom end of the second moving plate.

[0009] Further, the limiting mechanism comprises a cavity formed in the connecting pipe and extending into the first through groove, and an insertion rod is elastically connected in the cavity.

[0010] Further, a pre-buried groove is formed in the inner ring surface of the connecting pipe close to the first moving plate, a second through groove extending into the cavity is formed in one side of the pre-buried groove, a push rod is slidingly connected in the second through groove, a triangular groove is formed in the side of the insertion rod close to the second through groove, a rotating groove is formed in the side of the push rod surface close to the cam, a resisting block is rotationally connected in the rotating groove, a spring assembly is fixedly arranged at one side in the pre-buried groove, and the two resisting blocks can only rotate towards the direction of the pre-buried groove.

[0011] Further, a sealing gasket is arranged on the surface of the ball valve close to the connecting pipe.

[0012] Further, the supporting structure comprises a supporting rod arranged at the bottom end of the second moving plate, symmetrical sliding grooves are formed in the surface of the auxiliary pipe close to the supporting rod, and the supporting rod slides in the sliding grooves.

[0013] Compared with the known prior art, the technical scheme provided by the application has the following beneficial effects:

[0014] 1. When the rotating shaft is rotated by 90 degrees, the ball valve is in a closed state inside the main pipe, the cam is rotated along with the rotating shaft, an extrusion force is generated on the first moving plate, the first moving plate is pushed to slide along the first through groove, the first tooth plate at the bottom end generates a force on the first gear in the sliding process, the butterfly valve inside the main pipe is driven to rotate at a fixed point through the first connecting shaft, and the ball valve is in a closed state at the same time.

[0015] 2. The second rotating shaft is also rotated by 90 degrees synchronously in the rotating process of the butterfly valve, the second gear is synchronously rotated under the connection of the second connecting shaft, a force is generated on the second tooth plate in the second moving plate, the baffle is moved from the openings at both ends of the auxiliary pipe, and when the through hole in the surface of the baffle coincides with the auxiliary pipe, the material continues to flow through the auxiliary pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 is a structural schematic view of the present application;

[0018] Figure 2 is a structural bottom view of the present application;

[0019] Figure 3 is a structural sectional view of the present application;

[0020] Figure 4 is Figure 3 is an enlarged view of the structure at A in the middle;

[0021] Figure 5 is a structural schematic view of the first moving plate of the present application;

[0022] Figure 6 is a structural schematic view of the limiting mechanism of the present application.

[0023] The reference numerals in the drawings represent: 1, main pipe; 2, connecting pipe; 3, connecting seat; 4, first rotating shaft; 5, ball valve; 6, cam; 7, first through slot; 8, first moving plate; 9, first mounting slot; 10, first toothed plate; 11, first gear; 12, first connecting shaft; 13, sealing gasket; 14, pre-buried slot; 15, cavity; 16, insertion rod; 17, triangular groove; 18, push rod; 19, abutting block; 20, spring assembly; 21, second rotating shaft; 22, second connecting shaft; 23, baffle; 24, second moving plate; 25, sliding groove; 26, supporting rod; 27, second mounting slot; 28, second toothed plate; 29, second gear; 30, insertion slot; 31, butterfly valve; 32, auxiliary pipe; 33, through hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] The present application will be further described below in combination with the embodiments.

[0026] Embodiment: Butterfly plate rotary ball valve, including the main pipe 1, gas, liquid and so on in the inside of main pipe 1 carry on the flow, the center position of the surface of main pipe 1 is fixedly installed with connecting pipe 2, ball valve 5 can be installed to the inside of main pipe 1 by connecting pipe 2 also can be detached from the inside of main pipe 1, the surface of connecting pipe 2 is detachably provided with connecting seat 3, the inside of connecting seat 3 is provided with limiting mechanism, limiting mechanism is fixed after the first moving plate 8 is limited, from another aspect also to the butterfly valve 31 in the closed state is limited fixed, prevent the impact force of the material to be larger to butterfly valve 31 generates impact force to make the closed butterfly valve 31 in the inside of main pipe 1 rotates and is in the open state, also include the flow control mechanism for being arranged in the inside of main pipe 1, flow control mechanism is used for controlling the open or closed state of ball valve 5 and butterfly valve 31 in the inside of main pipe 1:

[0027] Referring to Figure 1 And Figure 3 , flow control mechanism includes the ball valve 5 for being arranged in the center position of the inside of main pipe 1, the center position of connecting seat 3 is rotatably connected with first rotating shaft 4, the other side of first rotating shaft 4 extends to the inside of main pipe 1 and is fixedly connected with ball valve 5, first rotating shaft 4 is used for controlling the open or closed state of ball valve 5, the arc surface of connecting pipe 2 is symmetrically provided with first through slot 7, the inside of first through slot 7 is elastically connected with first moving plate 8, the surface of first rotating shaft 4 in the inside of connecting pipe 2 is fixedly installed with cam 6, first rotating shaft 4 is synchronously rotated with cam 6, the lug on the surface of cam 6 generates extrusion force to first moving plate 8 to make first moving plate 8 slide along first through slot 7, the bottom of two first moving plates 8 is provided with first installation slot 9 on one side, first installation slot 9 is fixedly installed with first toothed plate 10 on one side in the inside, both ends in the inside of main pipe 1 are rotatably connected with butterfly valve 31, when two butterfly valves 31 are in the open state in the inside of main pipe 1, two butterfly valves 31 and the inner wall of main pipe 1 present 90 degrees, the surface of main pipe 1 is rotatably connected with first connecting shaft 12, which is fixedly connected with butterfly valve 31 and passes through main pipe 1, the other side of first connecting shaft 12 is fixedly installed with first gear 11 matched with first toothed plate 10, the first toothed plate 10 in the inside of first moving plate 8 and first gear 11 think cooperation generates force during the sliding process of first moving plate 8, thereby driving butterfly valve 31 to rotate through first connecting shaft 12, the surface of main pipe 1 is fixedly installed with extension to the inside of main pipe 1 on the side away from connecting pipe 2, when main pipe 1 is in the closed state, the material flows through auxiliary pipe 32, opening and closing mechanism is arranged in the inside of auxiliary pipe 32;

[0028] Referring to Figure 1 And Figure 2The opening and closing mechanism comprises a baffle 23 slidingly arranged at both ends inside the auxiliary pipe 32, one side of the baffle 23 is fixedly provided with a second moving plate 24, a through hole 33 is formed in the surface of the baffle 23 away from the second moving plate 24, when the through hole 33 coincides with the auxiliary pipe 32, the substance continues to flow through the auxiliary pipe 32, a second shaft 21 penetrating the main pipe 1 is rotationally connected to the surface of the main pipe 1 close to the auxiliary pipe 32, one side of the second shaft 21 is fixedly connected with the butterfly valve 31, the rotation of the butterfly valve 31 drives the second shaft 21 to synchronously rotate the second gear 29 through the second connecting shaft 22, the bottom end of the second shaft 21 is fixedly provided with the second connecting shaft 22, the bottom end of the second connecting shaft 22 is fixedly provided with the second gear 29, the surface of the second moving plate 24 is provided with a second mounting groove 27, one side inside the second mounting groove 27 is fixedly provided with a second tooth plate 28 matched with the second gear 29, the second gear 29 in rotation cooperates with the second tooth plate 28 to generate a force, so that the second moving plate 24 slides with the baffle 23, and the bottom end of the second moving plate 24 is provided with a supporting structure.

[0029] With reference to Figure 6 The limiting mechanism comprises a cavity 15 extending inside the connecting pipe 2 to the first through groove 7, the cavity 15 is elastically connected with a plug rod 16, a plug groove 30 matched with the plug rod 16 is formed in the surface of the first moving plate 8 close to the cam 6, when the first moving plate 8 moves to the corresponding position, the plug rod 16 is elastically inserted into the plug groove 30 in the surface of the first moving plate 8 under the action of the elastic force, so as to limit and fix the first moving plate 8 after moving, preventing the first moving plate 8 from being automatically reset under the action of the elastic connection, so as to cause the butterfly valve 31 to be in the open state inside the main pipe 1.

[0030] With reference to Figure 6, the inner ring surface of the connecting pipe 2 is provided with a pre-buried groove 14 near one side of the first moving plate 8, one side of the pre-buried groove 14 is provided with a second through groove extending into the cavity 15, the second through groove is slidably connected with a push rod 18, when the push rod 18 slides along the second through groove to the direction of the insertion rod 16, the insertion rod 16 gradually leaves the insertion slot 30 on the surface of the first moving plate 8 under the action of the triangular groove 17, one side of the insertion rod 16 near the second through groove is provided with a triangular groove 17, one side of the surface of the push rod 18 near the cam 6 is provided with a rotating groove, the rotating groove is rotatably connected with a stop block 19, when the insertion rod 16 is inserted into the insertion slot 30, the stop block 19 extends into the pre-buried groove 14, when the connecting seat 3 is removed from the surface of the connecting pipe 2, the protrusion of the cam 6 contacts the stop block 19 to make the stop block 19 rotate and retract into the pre-buried groove 14, when the ball valve 5 is installed, the protrusion on the surface of the cam 6 contacts the stop block 19 again, at this time, the stop block 19 does not rotate, and an extrusion force is generated on the stop block 19 to push the push rod 18 to slide along the second through groove, in combination with the triangular groove 17 on one side of the insertion rod 16, the insertion rod 16 is moved out of the insertion slot 30 on the surface of the first moving plate 8, the first rotating shaft 4 is rotated by 90 degrees again, the protrusion on the surface of the cam 6 is moved away from one side of the first moving plate 8, and the first moving plate 8 is reset under the action of the elastic force, so that the two butterfly valves 31 and the ball valve 5 are opened at the same time, the two flapper plates 23 are closed synchronously in the opening process of the butterfly valves 31 and the ball valve 5, one side of the pre-buried groove 14 is fixedly provided with a spring assembly 20, and the two stop blocks 19 can only rotate towards the direction of the pre-buried groove 14.

[0031] With reference to Figure 3 One side of the surface of the ball valve 5 near the connecting pipe 2 is provided with a sealing gasket 13, so as to prevent the material flowing in the main pipe 1 from overflowing through the connection between the connecting pipe 2 and the connecting seat 3.

[0032] With reference to Figure 1 and Figure 2 The support structure comprises a support rod 26 arranged at the bottom end of the second moving plate 24, the surface of the auxiliary pipe 32 is symmetrically provided with a sliding groove 25 near one side of the support rod 26, and the support rod 26 slides in the sliding groove 25, so as to support the second moving plate 24 during the sliding process of the second moving plate 24.

[0033] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. Butterfly plate ball valve, comprising a main pipe (1), characterized in that, The center position of the surface of the main pipe (1) is fixedly installed with a connecting pipe (2), the surface of the connecting pipe (2) is detachably provided with a connecting seat (3), the inside of the connecting seat (3) is provided with a limiting mechanism, and the flow control mechanism is arranged in the inside of the main pipe (1): The control flow mechanism includes a ball valve (5) arranged at the center position of the inside of the main pipe (1), a first rotating shaft (4) rotatably connected to the center position of the connecting seat (3), the other side of the first rotating shaft (4) extending to the inside of the main pipe (1) and being fixedly connected with the ball valve (5), the arc surface of the connecting pipe (2) is symmetrically provided with a first through groove (7), the inside of the first through groove (7) is elastically connected with a first moving plate (8), the surface of the first rotating shaft (4) in the inside of the connecting pipe (2) is fixedly installed with a cam (6), the bottom of the two first moving plates (8) is provided with a first installation groove (9) on one side, the inside of the first installation groove (9) is fixedly installed with a first toothed plate (10) on one side, the two ends of the inside of the main pipe (1) are rotatably connected with butterfly valves (31), the two sides of the surface of the main pipe (1) are rotatably connected with first connecting shafts (12) penetrating the main pipe (1) and being fixedly connected with the butterfly valves (31), the other side of the first connecting shaft (12) is fixedly installed with a first gear (11) matched with the first toothed plate (10), the side of the surface of the main pipe (1) away from the connecting pipe (2) is fixedly installed with a secondary pipe (32) extending to the inside of the main pipe (1), and the inside of the secondary pipe (32) is provided with an opening and closing mechanism; The opening and closing mechanism includes a baffle (23) slidably arranged at the two ends of the inside of the secondary pipe (32), the side of the baffle (23) is fixedly installed with a second moving plate (24), the side of the surface of the baffle (23) away from the second moving plate (24) is provided with a through hole (33), the side of the surface of the main pipe (1) close to the secondary pipe (32) is rotatably connected with a second rotating shaft (21) penetrating the main pipe (1), the side of the second rotating shaft (21) is fixedly connected with the butterfly valve (31), the bottom of the second rotating shaft (21) is fixedly installed with a second connecting shaft (22), the bottom of the second connecting shaft (22) is fixedly installed with a second gear (29), the surface of the second moving plate (24) is provided with a second installation groove (27), the inside of the second installation groove (27) is fixedly installed with a second toothed plate (28) matched with the second gear (29), and the bottom of the second moving plate (24) is provided with a supporting structure; The limiting mechanism includes a cavity (15) provided in the inside of the connecting pipe (2) and extending to the inside of the first through groove (7), the inside of the cavity (15) is elastically connected with a plug rod (16), and the side of the surface of the first moving plate (8) close to the cam (6) is provided with a plug groove (30) matched with the plug rod (16). The inner ring surface of the connecting pipe (2) is provided with a pre-buried groove (14) near one side of the first moving plate (8), one side of the pre-buried groove (14) is provided with a second through groove extending into the cavity (15), the second through groove is slidably connected with a push rod (18), and one side of the push rod (16) near the second through groove is provided with a triangular groove (17). The surface of the push rod (18) is provided with a rotating groove near one side of the cam (6), the rotating groove is rotatably connected with a resisting block (19), and one side of the pre-buried groove (14) is fixedly provided with a spring assembly (20). The two resisting blocks (19) can only rotate towards the direction of the pre-buried groove (14).

2. The butterfly plate rotary ball valve according to claim 1, characterized in that The surface of the ball valve (5) is provided with a sealing gasket (13) near one side of the connecting pipe (2).

3. The butterfly plate and ball valve according to claim 2, characterized in that The support structure comprises a support rod (26) arranged at the bottom end of the second moving plate (24), the surface of the sub-pipe (32) is symmetrically provided with a sliding groove (25) near one side of the support rod (26), and the support rod (26) slides in the sliding groove (25).

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