Turbine head for adjusting opening and closing angle of butterfly valve

Abstract

The utility model belongs to the technical field of butterfly valve turbines, and particularly relates to a turbine head for adjusting the opening and closing angle of a butterfly valve, which comprises a pipeline, an adjusting hole arranged at the upper end of the outer wall of the pipeline close to the center, an adjusting column fixedly connected with the inner wall of the adjusting hole, a lifting groove arranged at the upper end of the adjusting column close to the center, and a fixing component slidably connected inside the lifting groove. The fixing assembly comprises a supporting column slidably connected with the lifting groove, a gear block is fixedly connected to the position, close to the bottom end, of the outer wall of the supporting column, a fluted disc is fixedly connected to the inner wall of the lifting groove, and the fluted disc is meshed with the gear block. According to the turbine head for adjusting the opening and closing angle of the butterfly valve, the gear is separated from the interior of the fluted disc by pressing the rotating handle, then the moving handle is rotated, the opening angle of the valve plate is adjusted, the opening angle of each time is determined according to the rotating angle of the gear on the fluted disc, and then the rotating handle is fixed by meshing the fluted disc with the gear; and deviation of the opening angle of the valve caused by large flow impact is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve turbine technical field especially relates to a turbine head of adjusting butterfly valve switch angle. BACKGROUND

[0002] In industrial pipeline system, butterfly valve as an important control component is widely used in the flow regulation and cut-off of various fluid medium, the conventional butterfly valve usually adopts manual operation or simple electric actuator to control the switch of valve, however, in some occasions with higher flow control precision requirement, the switch angle of butterfly valve needs to be adjusted more accurately.

[0003] In the prior art, due to the fact that there is often a large liquid flow in the pipeline, the liquid flow extrudes and collides with the raft, which causes the handle for adjusting the liquid flow to shake, resulting in lack of precision in hydraulic flow control, affecting the observation of liquid flow, and the angle of each adjustment cannot be counted, so that the angle of each opening cannot be ensured to be consistent. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the present utility model is completed.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a turbine head for adjusting the switch angle of butterfly valve to solve the technical problem that the current large liquid flow extrudes and collides with the valve plate, causing the handle for adjusting the liquid flow to shake.

[0006] To solve the above technical problems, the present utility model provides the following technical scheme:

[0007] A turbine head for adjusting the switch angle of butterfly valve, comprising a pipeline, an adjusting hole is formed in the outer wall of the pipeline near the center of the upper end, an adjusting column is fixedly connected to the inner wall of the adjusting hole, a lifting groove is formed in the upper end of the adjusting column near the center, a fixing assembly is slidingly connected inside the lifting groove, and an adjusting assembly is rotatably connected to the bottom end of the fixing assembly.

[0008] The fixing assembly comprises a support column slidingly connected with the lifting groove, a gear block is fixedly connected to the outer wall of the support column near the bottom end, a toothed disc is fixedly connected to the inner wall of the lifting groove, and the toothed disc is engaged with the gear block.

[0009] As an improved technical scheme, the supporting column bottom is fixedly connected with a lifting column, the lifting column outer wall is fixedly connected with an upper connecting ring near the upper end, the adjusting column is internally provided with a sliding cavity, the upper connecting ring outer wall is slidingly connected with the sliding cavity inner wall, the upper connecting ring bottom is fixedly connected with an elastic piece near the edge, the elastic piece other end is fixedly connected with a lower connecting ring, the lower connecting ring inner wall is slidingly connected with the lifting column outer wall near the lower end, and the lower connecting ring outer wall is fixedly connected with the sliding cavity inner wall.

[0010] As an improved technical scheme, the lifting column bottom is fixedly connected with a fixing rod, and the fixing rod outer wall is fixedly connected with a plurality of uniformly distributed racks near the lower edge.

[0011] As an improved technical scheme, the adjusting column bottom is fixedly connected with a sealing block, the sealing block is matched with the adjusting hole, the sealing block is provided with a hole near the center, and the hole is slidingly connected with the fixing rod.

[0012] As an improved technical scheme, the supporting column outer wall is provided with a plurality of scale grooves near the center, and the supporting column top is fixedly connected with a rotating handle.

[0013] As an improved technical scheme, the adjusting assembly comprises two valve plates in rotation connection with the fixing rod, the valve plate is provided with a rotating groove near the center, the rotating groove is fixedly provided with a connecting pipe inside, the connecting pipe is fixedly connected with a rack ring inside, and the rack ring is in mesh with the rack.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0015] 1. The utility model discloses a rotating handle is pressed to make gear to be separated from the inside of toothed disc, and the moving handle is rotated, the angle of valve plate is adjusted, and the moving handle is returned to the inside of toothed disc after the angle of opening is determined by utilizing elastic piece, the angle of opening is determined from the rotation angle of gear on toothed disc, liquid flow is controlled quantitatively, and the rotating handle is fixed by toothed disc meshing gear, so that the deviation of the angle of valve opening caused by the impact of large flow is avoided.

[0016] 2. The utility model discloses, utilize fixed link to extend to the inside of connecting pipe, utilize rack drive valve plate to rotate, realize the control to two valve plates through the scale groove on the support column top, when liquid flow is less, open one side valve plate and release liquid flow, and under the condition that liquid flow is bigger, through the rotation handle continuous depression, make fixed link extend to the inside of second valve plate, drive valve plate to rotate, realize more accurate flow control, can also when the pressure in pipeline is bigger, carry out quick release. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing of simple introduction, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0018] Figure 1 It is the overall structure schematic diagram of the turbine head of the utility model adjusting the opening and closing angle of butterfly valve.

[0019] Figure 2 It is the overall cross section structure schematic diagram of the turbine head of the utility model adjusting the opening and closing angle of butterfly valve.

[0020] Figure 3 It is the fixed assembly structure schematic diagram of the turbine head of the utility model adjusting the opening and closing angle of butterfly valve.

[0021] Figure 4 It is the adjusting assembly structure schematic diagram of the turbine head of the utility model adjusting the opening and closing angle of butterfly valve.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, pipeline;11, adjusting hole;12, adjusting column;13, toothed disc;14, lifting groove;15, sliding cavity;16, sealing block;17, hole;

[0024] 2, fixed assembly;20, lifting column;21, support column;22, gear block;23, rotation handle;24, upper connecting ring;25, elastic piece;26, lower connecting ring;27, fixed link;28, rack;29, scale groove;

[0025] 3, adjusting assembly;31, valve plate;32, connecting pipe;33, rack ring;34, rotation groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0028] Meanwhile, "and / or" or "and / or" appearing in the entire text means that three schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0029] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0030] As shown in Figs. Figure 2 and Figure 3 The embodiment provides a butterfly valve opening and closing angle adjusting turbine head, which comprises a pipeline 1, an adjusting hole 11 is formed in the outer wall of the pipeline 1 and close to the center of the upper end, an adjusting column 12 is fixedly connected to the inner wall of the adjusting hole 11, a lifting groove 14 is formed in the upper end of the adjusting column 12 and close to the center, a fixing assembly 2 is slidably connected to the inside of the lifting groove 14, and the bottom end of the fixing assembly 2 is rotatably connected with an adjusting assembly 3.

[0031] The fixing assembly 2 comprises a supporting column 21 slidably connected with the lifting groove 14, a gear block 22 is fixedly connected to the outer wall of the supporting column 21 and close to the bottom end, a toothed disc 13 is fixedly connected to the inner wall of the lifting groove 14, the toothed disc 13 is engaged with the gear block 22, the toothed disc 13 is used for fixing the rotating handle 23, and deviation of the opening angle of the valve caused by the impact of large flow is avoided.

[0032] The bottom of the supporting column 21 is fixedly connected with a lifting column 20, the outer wall of the lifting column 20 is fixedly connected with an upper connecting ring 24 near the upper end, the inside of the adjusting column 12 is provided with a sliding cavity 15, the outer wall of the upper connecting ring 24 is slidingly connected with the inner wall of the sliding cavity 15, the bottom of the upper connecting ring 24 is fixedly connected with an elastic piece 25 near the edge, the other end of the elastic piece 25 is fixedly connected with a lower connecting ring 26, the inner wall of the lower connecting ring 26 is slidingly connected with the outer wall of the lifting column 20 near the lower end, the outer wall of the lower connecting ring 26 is fixedly connected with the inner wall of the sliding cavity 15, and the moving handle is made to return to the inside of the tooth disc 13 after the opening angle is determined by using the elastic piece 25.

[0033] The bottom of the lifting column 20 is fixedly connected with a fixed rod 27, the outer wall of the fixed rod 27 is fixedly connected with a plurality of evenly distributed racks 28 near the lower edge, the racks 28 on the outer wall of the fixed rod 27 are driven to rotate through the rotation of the supporting column 21, and the size of the racks 28 is half of the pipeline.

[0034] The bottom of the adjusting column 12 is fixedly connected with a sealing block 16, the sealing block 16 is matched with the adjusting hole 11, the sealing block 16 is provided with a hole 17 near the center, the inside of the hole 17 is slidingly connected with the fixed rod 27, and the liquid is sealed through the sealing block 16.

[0035] The outer wall of the supporting column 21 is provided with a plurality of scale grooves 29 near the center, and the top of the supporting column 21 is fixedly connected with a rotating handle 23; the racks above the fixed rod 27 are driven to rotate through the rotation of the rotating handle 23.

[0036] As shown in Figure 2 , Figure 3 and Figure 4 , the adjusting assembly 3 comprises two valve plates 31 in rotationally connected with the fixed rod 27, the valve plate 31 is provided with a rotating groove 34 near the center, the rotating groove 34 is fixedly provided with a connecting pipe 32 inside, the connecting pipe 32 is fixedly connected with a rack ring 33 inside, the rack ring 33 is engaged with the rack 28, the fixed rod 27 is extended into the connecting pipe 32 inside, the rack 28 is used to drive the valve plate 31 to rotate, and the two raft plates are controlled by observing the scale grooves 29 above the supporting column 21.

[0037] In use, the gear is separated from the inside of the tooth disc 13 by pressing the rotating handle 23, the moving handle is rotated, the opening angle of the valve plate 31 is adjusted, the moving handle is made to return to the inside of the tooth disc 13 after the opening angle is determined by using the elastic piece 25, the opening angle of each time is determined from the rotation angle of the gear on the tooth disc 13, the liquid flow is quantitatively controlled, the rotating handle 23 is fixed by the meshing of the tooth disc 13 and the gear, the fixed rod 27 is extended into the connecting pipe 32 inside, the rack 28 is used to drive the valve plate 31 to rotate, and the two raft plates are controlled by observing the scale grooves 29 above the supporting column 21.

[0038] It should be understood that the uses of the embodiments are merely for illustrating the present application and are not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A turbine head for regulating the switching angle of a butterfly valve, comprising a duct (1), characterized in that: The adjusting hole (11) is arranged on the outer wall of the pipeline (1) near the center of the upper end, the adjusting column (12) is fixedly connected to the inner wall of the adjusting hole (11), the lifting groove (14) is arranged on the adjusting column (12) near the center of the upper end, and the fixing assembly (2) is slidably connected to the lifting groove (14). The fixing assembly (2) comprises the supporting column (21) slidably connected to the lifting groove (14), the gear block (22) is fixedly connected to the outer wall of the supporting column (21) near the bottom end, the tooth disc (13) is fixedly connected to the inner wall of the lifting groove (14), and the tooth disc (13) is engaged with the gear block (22).

2. The turbine nozzle of claim 1, wherein: The supporting column (21) is fixedly connected with the lifting column (20) at the bottom, the upper connecting ring (24) is fixedly connected to the outer wall of the lifting column (20) near the upper end, the sliding cavity (15) is arranged in the adjusting column (12), the outer wall of the upper connecting ring (24) is slidably connected to the inner wall of the sliding cavity (15), the elastic member (25) is fixedly connected to the lower connecting ring (26) at the bottom near the edge of the upper connecting ring (24), the lower connecting ring (26) is slidably connected to the outer wall of the lifting column (20) near the lower end, and the outer wall of the lower connecting ring (26) is fixedly connected to the inner wall of the sliding cavity (15).

3. The turbine nozzle of claim 2, wherein: The fixing rod (27) is fixedly connected to the bottom of the lifting column (20), and a plurality of uniformly distributed gear racks (28) are fixedly connected to the outer wall of the fixing rod (27) near the lower edge.

4. The turbine nozzle of claim 3, wherein: The sealing block (16) is fixedly connected to the bottom of the adjusting column (12), the sealing block (16) is matched with the adjusting hole (11), the hole (17) is arranged in the sealing block (16) near the center, and the fixing rod (27) is slidably connected in the hole (17).

5. The turbine nozzle of claim 4, wherein: A plurality of scale grooves (29) are arranged on the outer wall of the supporting column (21) near the center, and the rotating handle (23) is fixedly connected to the top of the supporting column (21).

6. The turbine nozzle of claim 3, wherein: The adjusting assembly (3) comprises two valve plates (31) rotatably connected with the fixing rod (27), the rotating groove (34) is arranged in the valve plate (31) near the center, the connecting pipe (32) is fixedly arranged in the rotating groove (34), the gear rack ring (33) is fixedly connected in the connecting pipe (32), and the gear rack ring (33) is engaged with the gear rack (28).

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