Inclined wafer butterfly valve

Abstract

The utility model relates to the technical field of butterfly valves, and discloses an inclined wafer butterfly valve which comprises an installation piece, a fixing piece fixedly connected to the outer surface of the installation piece, a valve rotationally connected to the inner wall of the installation piece, a limiting disc fixedly connected to the end of the fixing piece, a rotating rod fixedly connected to the outer surface of the valve, and a handle fixedly connected to the end of the rotating rod. A movable rod is hinged to the bottom of the handle, a middle spring is fixedly connected to the upper surface of the movable rod, a clamping block is fixedly connected to the upper surface of the movable rod, and a limiting assembly is arranged on the upper surface of the handle. When the movable rod is loosened, the elastic force of a middle spring pushes one end of the movable rod to reset, a clamping block is clamped into a clamping groove formed in the outer surface of a limiting disc, a handle is limited, the elastic force of a large spring pushes a movable piece to be close to the limiting disc, a pressing block makes contact with the outer surface of the movable piece, and a threaded rod is limited by rotating a nut. And the handle is limited more firmly.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, concretely is a kind of oblique type and clamps butterfly valve. BACKGROUND

[0002] The butterfly plate of oblique type and clamps butterfly valve is installed in the diameter direction of pipeline, and the disc-shaped butterfly plate rotates around the axis in the cylindrical passage of butterfly valve body, the rotation angle is between zero degrees and ninety degrees, and when rotated to ninety degrees, the valve is in full open state.

[0003] According to the oblique type and clamps butterfly valve (announcement number: CN112049949B) disclosed, the first clamp block is detachably connected between the top of the driving shaft and the bottom of one side of the first clamp block, the second clamp block is detachably connected between the one side of the second clamp block and the one side of the connecting plate, and the other side of the first clamp block and the second clamp block is movably connected with the buffer structure.

[0004] However, the spring on the handle will be damaged in strength during long-term pressing, which will cause the handle to loosen and make the valve open when touched by the staff; In view of this, we propose an oblique type and clamps butterfly valve. SUMMARY

[0005] The utility model aims at providing an oblique type and clamps butterfly valve to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an oblique type and clamps butterfly valve, comprising a mounting piece, the outer surface of the mounting piece is fixedly connected with a fixing piece, the inner wall of the mounting piece is rotatably connected with a valve, the end of the fixing piece is fixedly connected with a limiting disc, the outer surface of the valve is fixedly connected with a rotating rod, the end of the rotating rod is fixedly connected with a handle, the bottom of the handle is hingedly connected with a movable rod, the upper surface of the movable rod is fixedly connected with a middle spring, the upper surface of the movable rod is fixedly connected with a clamping block, the upper surface of the handle is provided with a limiting assembly, and the limiting assembly comprises:

[0007] The movable groove is formed in the upper surface of the handle, the inner wall side of the movable groove is fixedly connected with a large spring, the end of the large spring is fixedly connected with a movable piece, and the movable piece is sleeved with a threaded block inside;

[0008] The threaded rod is rotatably connected to the upper surface of the threaded block, the outer surface of the threaded rod is threadedly connected with a nut, and the bottom of the threaded block is hingedly connected with a pressing block.

[0009] Preferably, the threaded rod end is arranged through the inner wall top of the movable piece, the nut bottom is in contact with the upper surface of the movable piece, and the nut can be in good contact with the upper surface of the pressing block and the bottom of the movable piece.

[0010] Preferably, the position of the clamping block corresponds to the limiting groove arranged on the outer surface of the limiting disc, and the center of the clamping block corresponds to the center of the movable rod, so that the clamping block can be well clamped into the limiting groove arranged on the outer surface of the limiting disc.

[0011] Preferably, the movable piece is arranged in a mountain shape and arranged in the movable groove, so that the movable piece can be well moved in the movable groove.

[0012] Preferably, the clamping block is provided with an auxiliary assembly, the auxiliary assembly comprises a placing groove, the placing groove is arranged on the side of the clamping block, small springs are fixedly connected to the inner wall side of the placing groove, and placing blocks are fixedly connected to the ends of the small springs.

[0013] Preferably, the end of the placing block is arranged in an arc shape and arranged in the placing groove.

[0014] Compared with the prior art, the utility model provides a diagonal type double-clamping butterfly valve, which has the following beneficial effects:

[0015] 1. The diagonal type double-clamping butterfly valve, in order to better limit the handle, make the staff hold the handle and press the movable rod, then rotate, make the valve close, loosen the movable rod, make the elastic force of the large spring push the one end of the movable rod to reset, make the clamping block clamped into the clamping groove arranged on the outer surface of the limiting disc, make the handle be limited, make the elastic force of the large spring push the movable piece to the limiting disc, then pull the threaded rod to move upward, make the pressing block contact with the outer surface of the movable rod, rotate the nut, make the threaded rod be limited, so that the upper surface of the movable rod and the bottom of the limiting disc can be more closely attached, so that the valve can be more stably adjusted in the case that the valve is not opened due to accidental touch.

[0016] 2. The diagonal type double-clamping butterfly valve, in order to increase the friction between the handle and the limiting disc, when the clamping block is clamped into the clamping groove arranged on the outer surface of the limiting disc, the placing block is extruded, the small spring is contracted, the placing block is arranged in the placing groove, and then the clamping block is completely clamped into the limiting disc, the arc surface arranged at the end of the placing block increases the friction between the limiting disc and the inner wall, and the clamping block can be well clamped into the limiting disc. DRAWINGS

[0017] Figure 1 It is a three-dimensional left view structure schematic diagram of the utility model;

[0018] Figure 2The utility model discloses an explosion structure schematic view of butterfly valve.

[0019] Figure 3 The utility model discloses an explosion structure schematic view of handle.

[0020] Figure 4 The utility model discloses an A area amplification structure schematic view.

[0021] Figure 5 The utility model discloses a limiting component structure schematic view.

[0022] In the drawing: 1, mounting piece, 2, fixed part, 3, limiting disc, 4, valve, 5, rotating rod, 6, handle, 7, movable rod, 8, middle spring, 9, limiting component, 901, movable slot, 902, big spring, 903, movable piece, 904, threaded rod, 905, nut, 906, threaded block, 907, pressing block, 10, auxiliary assembly, 1001, placing groove, 1002, small spring, 1003, placing block, 11, clamping block. DETAILED DESCRIPTION

[0023] As Figures 1-5 The utility model provides a kind of oblique type pair of clamps butterfly valve, including mounting piece 1, fixedly connected with fixed part 2 on the outer surface of mounting piece 1, the inner wall of mounting piece 1 is rotatably connected with valve 4, the end of fixedly connected with limiting disc 3 of fixed part 2, the outer surface of valve 4 is fixedly connected with rotating rod 5, the end of fixedly connected with handle 6 of rotating rod 5, handle 6 bottom is hinged with movable rod 7, movable rod 7 upper surface is fixedly connected with middle spring 8, movable rod 7 upper surface is fixedly connected with clamping block 11, the position of clamping block 11 corresponds with the limiting slot of the outer surface of limiting disc 3, the center of clamping block 11 corresponds with the center of movable rod 7, this makes clamping block 11 can be well inserted into the limiting slot of the outer surface of limiting disc 3, handle 6 upper surface is provided with limiting component 9, limiting component 9 includes movable slot 901, big spring 902, movable piece 903, threaded block 906, threaded rod 904, nut 905 and pressing block 907.

[0024] In the embodiment of the utility model, the movable groove 901 is arranged on the upper surface of the handle 6, the inner wall side of the movable groove 901 is fixedly connected with a large spring 902, the end of the large spring 902 is fixedly connected with a movable piece 903, the movable piece 903 is arranged in a mountain shape, the movable piece 903 is arranged inside the movable groove 901, which enables the movable piece 903 to move well inside the movable groove 901, a threaded block 906 is sleeved inside the movable piece 903, a threaded rod 904 is rotatably connected at the upper surface of the threaded block 906, the end of the threaded rod 904 is arranged in a penetrating mode through the inner wall top of the movable piece 903, a nut 905 is threadedly connected to the outer surface of the threaded rod 904, the bottom of the nut 905 is in contact with the upper surface of the movable piece 903, which enables the nut 905 to make the upper surface of a pressing block 907 in contact with the bottom of the movable rod 7, and the bottom of the threaded block 906 is hingedly connected with the pressing block 907.

[0025] Meanwhile, the side of the clamping block 11 is provided with an auxiliary assembly 10, the auxiliary assembly 10 comprises a placing groove 1001, the placing groove 1001 is arranged on the side of the clamping block 11, the inner wall side of the placing groove 1001 is fixedly connected with a small spring 1002, the end of the small spring 1002 is fixedly connected with a placing block 1003, the end of the placing block 1003 is arranged in an arc shape, and the placing block 1003 is arranged inside the placing groove 1001, so that when the clamping block 11 is clamped into the clamping groove arranged on the outer surface of the limiting disc 3, the placing block 1003 is extruded to make the small spring 1002 contract, the placing block 1003 is arranged inside the placing groove 1001, and then the arc surface arranged at the end of the placing block 1003 can increase the frictional force between the limiting disc 3 and the placing block 1003, so that the clamping block 11 can be well clamped into the limiting disc 3.

[0026] In the utility model, when in use, the staff holds the handle 6 and then presses and rotates the movable rod 7, so that the valve 4 is closed, the movable rod 7 is released, the elastic force of the medium spring 8 pushes one end of the movable rod 7 to reset, the clamping block 11 is clamped into the clamping groove arranged on the outer surface of the limiting disc 3, the handle 6 is limited, the elastic force of the large spring 902 pushes the movable piece 903 to be close to the limiting disc 3, the threaded rod 904 is pulled upwards to make the pressing block 907 contact with the outer surface of the movable rod 7, and then the nut 905 is rotated to limit the threaded rod 904, so that the upper surface of the movable rod 7 can be more closely attached to the bottom of the limiting disc 3.

[0027] Further, when the clamping block 11 is clamped into the clamping groove arranged on the outer surface of the limiting disc 3, the placing block 1003 is extruded to make the small spring 1002 contract, the placing block 1003 is arranged inside the placing groove 1001, and then the arc surface arranged at the end of the placing block 1003 can increase the frictional force between the limiting disc 3 and the placing block 1003, so that the clamping block 11 can be well clamped into the limiting disc 3.

[0028] The utility model has made the detailed description to the utility model generally, but can make some modification or improvement to it on the basis of the utility model, which is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A type oblique wafer butterfly valve, comprising a mounting component (1), wherein a fixing component (2) is fixedly connected to the outer surface of the mounting component (1), a valve (4) is rotatably connected to the inner wall of the mounting component (1), a limit plate (3) is fixedly connected to the end of the fixing component (2), a rotating rod (5) is fixedly connected to the outer surface of the valve (4), a handle (6) is fixedly connected to the end of the rotating rod (5), a movable component (7) is hinged to the bottom of the handle (6), a central spring (8) is fixedly connected to the upper surface of the movable component (7), and a locking block (11) is fixedly connected to the upper surface of the movable component (7), characterized in that: The handle (6) upper surface is provided with a limiting assembly (9), the limiting assembly (9) includes: The movable groove (901) is provided on the upper surface of the handle (6), the inner wall side of the movable groove (901) is fixedly connected with the large spring (902), the end of the large spring (902) is fixedly connected with the movable piece (903), and the inside of the movable piece (903) is sleeved with the threaded block (906); The threaded rod (904) is rotatably connected to the upper surface of the threaded block (906), the outer surface of the threaded rod (904) is threadedly connected with the nut (905), and the bottom of the threaded block (906) is hingedly connected with the pressing block (907).

2. A wedge-type clamp butterfly valve according to claim 1, wherein: The end of the threaded rod (904) penetrates through the inner wall top of the movable piece (903), and the bottom of the nut (905) is in contact with the upper surface of the movable piece (903).

3. A wedge-type clamp butterfly valve according to claim 1, wherein: The position of the clamping block (11) corresponds to the limiting groove provided on the outer surface of the limiting disc (3), and the center of the clamping block (11) corresponds to the center of the movable rod (7).

4. A wedge-type clamp butterfly valve according to claim 1, wherein: The movable piece (903) is arranged in a mountain shape, and the movable piece (903) is arranged in the movable groove (901).

5. A wedge-type clamp butterfly valve as defined in claim 1 wherein: The clamping block (11) is provided with an auxiliary assembly (10), the auxiliary assembly (10) includes a placing groove (1001), the placing groove (1001) is provided on the side of the clamping block (11), the inner wall side of the placing groove (1001) is fixedly connected with the small spring (1002), and the end of the small spring (1002) is fixedly connected with the placing block (1003).

6. A wedge-type clamp butterfly valve according to claim 5, wherein: The end of the placing block (1003) is arc-shaped, and the placing block (1003) is arranged in the placing groove (1001).

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