Multi-angle rotating adjusting type butterfly valve

Abstract

The utility model discloses a multi-angle rotation adjusting type butterfly valve, and belongs to the technical field of butterfly valves, a sterilization device comprises a pipe body, a valve body installed on the pipe body, an adjusting assembly arranged on the valve body and a dial arranged on the adjusting assembly, a handle is installed on the valve body, and a handle is installed on the valve body. Locking mechanisms are symmetrically distributed on the adjusting assembly, each locking mechanism comprises a fixing rod arranged on the adjusting assembly and an adjusting rod hinged to the end, away from the adjusting assembly, of the fixing rod, and a lock head is installed at the upper end of each adjusting rod; the shaft rod on the protection box is matched with the fixing plate, the two ends of the fixing plate are arranged on the bidirectional lead screw and the limiting rod in a sleeving mode respectively, after an internal hexagonal wrench is used for insertion and twisting, clamping, fastening and locking operation can be provided for the handle through the lock heads distributed symmetrically, the locking mode is simple, and operation is convenient. And the clamping position of the lock cannot be interfered outdoors without assistance of an internal hexagonal wrench, and the use mode is stable.

Description

Technical Field

[0001] The present application relates to the technical field of butterfly valves, and specifically, it is a multi-angle rotation adjustable butterfly valve. Background Art

[0002] A butterfly valve is a simple structure regulating valve, also called a flap valve. A butterfly valve used for the on-off control of a low-pressure pipeline medium refers to a valve whose closing member is a disc and rotates around the valve shaft to achieve opening and closing. The existing butterfly valve realizes the on-off control of the low-pressure pipeline medium through the combined action of a valve body, a valve stem, and a handwheel. Rotating the handwheel makes the valve stem rotate, and the rotation of the valve stem makes the disc rotate, thereby realizing the flow of the medium inside the valve body.

[0003] It is found that the Chinese utility model patent with the publication number CN104712775A discloses a butterfly valve with adjustable rotation angle. Compared with the existing technology, the beneficial effects of the present invention are as follows: it has the characteristics of low cost, simple structure, convenient use, reasonable design, scientific and practical. Since the semi-circular clamping plate is provided with scales, it effectively realizes the accuracy of the rotation angle of the butterfly valve and improves the working efficiency. At the same time, since the handle is a folding handle and the folded handle is stuck in the U-shaped groove, it effectively avoids the occurrence of the change of the rotation angle of the butterfly valve caused by misoperation. The installation method of the butterfly valve in this application is relatively single, usually fixed by screw screwing, which requires a large number of screws, is relatively complex to install, time-consuming and laborious, and the screws are prone to rust and slipping after a long time, and the fixing effect is poor, which is not convenient for maintenance and disassembly.

[0004] This solution uses the fact that the folded handle is stuck in the U-shaped groove, but the distribution of the U-shaped grooves is arranged in an orderly manner, and there is a situation where the clamping position is between two U-shaped grooves, and the usage method has defects.

[0005] Therefore, the present application provides a multi-angle rotation adjustable butterfly valve to solve the above problems. Utility Model Content

[0006] The present application provides a multi-angle rotation adjustable butterfly valve, aiming to solve the problem that the existing locking method of the outdoor butterfly valve handle has defects in the background art.

[0007] To achieve the above object, the present application provides the following technical solution: A multi-angle rotation adjustable butterfly valve, including a pipe body, a valve body installed on the pipe body, an adjustment component arranged on the valve body, and a scale disk arranged on the adjustment component. A handle is installed on the valve body;

[0008] Locking mechanisms are symmetrically arranged on the adjustment component;

[0009] The locking mechanism includes a fixing rod arranged on the adjusting component and an adjusting rod hinged to one end of the fixing rod away from the adjusting component. A lock head is installed at the upper end of the adjusting rod. A groove is formed on one side of the lock head close to the handle, and teeth are arranged at the groove. The adjusting rod and the fixing rod are connected in a hinged manner. When it is necessary to adjust the position of the valve plate later, the adjusting rod with the lock head is adjusted to a position away from the handle, which is convenient for holding the handle and rotating.

[0010] Preferably, the adjusting component includes a protective box arranged on the valve body. One end of the fixing rod away from the adjusting rod is fixedly connected with a fixing plate. A limiting rod and a bidirectional lead screw for sleeving the fixing plate are arranged inside the protective box. A shaft rod is sleeved on one side of the protective box close to the bidirectional lead screw. Inclined gears for meshing with each other are arranged on both the bidirectional lead screw and the shaft rod. Turning the shaft rod synchronously drives the bidirectional lead screw to rotate. The fixing plate is threadedly sleeved with the bidirectional lead screw to move outward or retract inward. When retracting inward, the handle is clamped and fixed.

[0011] Preferably, both the bidirectional lead screw and the limiting rod are installed inside the protective box through base plates, and both the limiting rod and the bidirectional lead screw are movably connected with the corresponding base plates.

[0012] Preferably, an internal hexagonal groove is formed at one end of the shaft rod away from the inclined gear.

[0013] Preferably, cloth pads are symmetrically arranged in the groove of the lock head.

[0014] Preferably, a rubber sleeve is sleeved outside the teeth, and the lock head and the teeth are integrally formed.

[0015] Preferably, convex blocks for adapting to the teeth are equidistantly arranged on the outside of the handle. After the symmetrically distributed lock heads approach the handle, a clamping is formed between the teeth and the convex blocks.

[0016] For this multi-angle rotation adjustable butterfly valve, by cooperating the shaft rod on the protective box with the fixing plate sleeved on the bidirectional lead screw and the limiting rod at both ends respectively, after inserting and turning with an internal hexagonal wrench, the handle can be clamped, fixed and locked by the symmetrically distributed lock heads. The locking method is simple, and without the assistance of an internal hexagonal wrench outdoors, the clamping position of the lock head cannot be interfered, and the usage method is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a multi-angle rotation adjustable butterfly valve;

[0018] Figure 2 It is a schematic structural diagram of the fixing plate;

[0019] Figure 3 It is a schematic structural diagram of the cross-section of the protective box;

[0020] Figure 4 It is Figure 2 an enlarged structural diagram of the position A in

[0021] In the figure:

[0022] 1. Pipe body;

[0023] 2. Valve body;

[0024] 3. Handle;

[0025] 31. Bump;

[0026] 4. Dial;

[0027] 5. Locking mechanism;

[0028] 51. Lock head; 52. Teeth; 53. Cloth cushion block; 54. Adjusting rod; 55. Fixed rod;

[0029] 6. Adjusting assembly;

[0030] 61. Protective box; 62. Bi-directional lead screw; 63. Limit rod; 64. Shaft rod; 65. Fixed plate; 66. Hexagon socket. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, 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 efforts shall fall within the protection scope of the present application.

[0032] This embodiment provides a multi-angle rotary adjustment type butterfly valve. As Figures 1-4 shown, the multi-angle rotary adjustment type butterfly valve includes a pipe body 1, a valve body 2 installed on the pipe body 1, an adjusting assembly 6 arranged on the valve body 2, and a dial 4 arranged on the adjusting assembly 6. A handle 3 is installed on the valve body 2;

[0033] Locking mechanisms 5 are symmetrically arranged on the adjusting assembly 6;

[0034] The locking mechanism 5 includes a fixed rod 55 arranged on the adjusting assembly 6 and an adjusting rod 54 hinged to the end of the fixed rod 55 far from the adjusting assembly 6. A lock head 51 is installed at the upper end of the adjusting rod 54. A groove is formed on the side of the lock head 51 close to the handle 3, and teeth 52 are arranged at the groove. A rubber sleeve is sleeved outside the teeth 52. The lock head 51 and the teeth 52 are integrally formed. Bumps 31 for matching with the teeth 52 are equidistantly arranged on the outside of the handle 3.

[0035] Specifically, the adjusting rod 54 and the fixed rod 55 are connected by a hinged manner. When it is necessary to adjust the position of the valve plate in the later stage, by moving the adjusting rod 54 with the lock head 51 to a position away from the handle 3, it is convenient to hold the handle 3 and rotate. The teeth 52 installed in the groove of the lock head 51 are adapted to the convex block 31 on the handle 3. After the symmetrically distributed lock heads 51 approach the handle 3, a clamping is formed between the teeth 52 and the convex block 31. This clamping method does not need to consider fitting, and the clamping operation is completed when they come into contact. The rubber sleeve sleeved on the teeth 52 is used to reduce the wear during clamping.

[0036] The adjusting assembly 6 includes a protective box 61 arranged on the valve body 2. One end of the fixed rod 55 away from the adjusting rod 54 is fixedly connected with a fixing plate 65. Inside the protective box 61, there are a limiting rod 63 and a bidirectional lead screw 62 for sleeving the fixing plate 65. A shaft rod 64 is sleeved on one side of the protective box 61 close to the bidirectional lead screw 62. Inclined gears for meshing with each other are arranged on both the bidirectional lead screw 62 and the shaft rod 64.

[0037] More specifically, the lock head 51, the adjusting rod 54 and the fixed rod 55 are mainly limited and moved by sleeving on the limiting rod 63 and the bidirectional lead screw 62 through the fixing plate 65. In the state where the inclined gear on the shaft rod 64 meshes with the inclined gear on the bidirectional lead screw 62, twisting the shaft rod 64 will synchronously drive the bidirectional lead screw 62 to rotate. The fixing plate 65 is threadedly sleeved with the bidirectional lead screw 62 to move outwards or retract inwards. When retracting inwards, it clamps and fixes the handle 3, and when moving outwards, it disengages from the handle 3.

[0038] Both the bidirectional lead screw 62 and the limiting rod 63 are installed inside the protective box 61 through the base plate, and both the limiting rod 63 and the bidirectional lead screw 62 are movably connected to the corresponding base plate.

[0039] An internal hexagonal groove 66 is opened at one end of the shaft rod 64 away from the inclined gear.

[0040] By opening the internal hexagonal groove 66 on the shaft rod 64, the switch for driving the movement of the lock head 51 forms a hidden switch. For the valve body 2 located outdoors, without the assistance of an internal hexagonal wrench tool, it is not easy for people to interfere with the rotation of the shaft rod 64.

[0041] Padding blocks 53 are symmetrically arranged in the groove of the lock head 51.

[0042] The padding blocks 53 at the groove of the lock head 51 are made of non-woven fabric. When the lock head 51 and the handle 3 are separated each time, it can move a small distance first, and the handle 3 is inside the groove. By idling the handle 3, the contact part of the handle 3 is cleaned by the padding blocks 53, and the dust or oil and dirt impurities on the surface of the handle 3 are removed.

[0043] During use, first, the operator rotates the handle 3 to turn the valve plate to an appropriate angle. Then, hold an Allen wrench and insert it into the Allen slot 66. By rotating the Allen wrench, the symmetrically distributed fixing plates 65 move closer to the handle 3 until the teeth 52 in the groove of the lock head 51 contact the convex block 31 on the surface of the handle 3. When the shaft rod 64 can no longer rotate, remove the Allen wrench. At this time, the entire valve body 2 is in a locked state, preventing the handle 3 from being twisted due to human interference and causing an angular deviation of the valve plate. When it is necessary to adjust the angle of the valve plate later, simply rotate the Allen wrench in the reverse direction.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application, according to the technical solution and its concept of the present application, makes equivalent substitutions or changes, and should be covered within the protection scope of the present application.

Claims

1. A multi-angle rotation adjustable butterfly valve, comprising a pipe body (1), a valve body (2) installed on the pipe body (1), an adjustment component (6) arranged on the valve body (2), and a scale disk (4) arranged on the adjustment component (6). A handle (3) is installed on the valve body (2). It is characterized in that: The adjustment component (6) is symmetrically provided with locking mechanisms (5). The locking mechanism (5) includes a fixed rod (55) arranged on the adjustment component (6) and an adjustment rod (54) hinged to one end of the fixed rod (55) away from the adjustment component (6). A lock head (51) is installed at the upper end of the adjustment rod (54). A groove is formed on one side of the lock head (51) close to the handle (3), and teeth (52) are arranged at the groove.

2. The multi-angle rotation adjustable butterfly valve according to claim 1, characterized in that: The adjustment component (6) includes a protective box (61) arranged on the valve body (2). One end of the fixed rod (55) away from the adjustment rod (54) is fixedly connected with a fixing plate (65). A limiting rod (63) and a bidirectional lead screw (62) for sleeving the fixing plate (65) are arranged inside the protective box (61). A shaft rod (64) is sleeved on one side of the protective box (61) close to the bidirectional lead screw (62). Inclined gears for meshing with each other are arranged on both the bidirectional lead screw (62) and the shaft rod (64).

3. The multi-angle rotation adjustable butterfly valve according to claim 2, characterized in that: Both the bidirectional lead screw (62) and the limiting rod (63) are installed inside the protective box (61) through base plates, and both the limiting rod (63) and the bidirectional lead screw (62) are movably connected with the corresponding base plates.

4. The multi-angle rotation adjustable butterfly valve according to claim 3, characterized in that: An internal hexagonal groove (66) is formed at one end of the shaft rod (64) away from the inclined gear.

5. The multi-angle rotation adjustable butterfly valve according to claim 1, characterized in that: Pad blocks (53) are symmetrically arranged in the groove of the lock head (51).

6. The multi-angle rotation adjustable butterfly valve according to claim 5, characterized in that: A rubber sleeve is sleeved outside the teeth (52), and the lock head (51) and the teeth (52) are integrally formed.

7. The multi-angle rotation adjustable butterfly valve according to claim 6, characterized in that: Convex blocks (31) for matching with the teeth (52) are equidistantly arranged outside the handle (3).

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