Split type butterfly valve structure

Abstract

The utility model discloses a split type butterfly valve structure, which relates to the technical field of butterfly valves and comprises a valve body, a clamping mechanism, a butterfly plate mechanism, an operating mechanism and a positioning mechanism, the valve body is arranged in a split type, the clamping mechanism is arranged in the valve body, the butterfly plate mechanism is arranged in the valve body, the operating mechanism is arranged at the top end of the valve body, and the positioning mechanism is arranged at the top end of the valve body. The valve body is arranged to be of a split structure of the outer valve body and the inner valve body, the clamping mechanism is matched with the outer valve body and the inner valve body, so that the butterfly plate can work stably, the valve body is not prone to falling off, the valve body is not prone to falling off, and the service life of the valve body is prolonged. And when the exterior of the valve body is damaged, only the outer valve body needs to be replaced, and when the interior of the valve body is damaged, only the inner valve body needs to be replaced, so that the maintenance cost of the butterfly valve is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, especially relate to a split butterfly valve structure. BACKGROUND

[0002] The butterfly valve is a kind of switch valve, and is an important device in water supply and drainage pipeline system.

[0003] The butterfly valve is mainly composed of valve body and butterfly plate, and the flow of butterfly valve is controlled by the rotation of butterfly plate in valve body, and the valve body of butterfly valve is mainly integrated structure, but the outer wall of valve body is directly contacted with the outside world, and the inner wall of valve body is directly contacted with the medium flowing, so that the outer wall of valve body is impacted by external objects during the working process of butterfly valve, and the inner wall of valve body is also corroded after the corrosive medium passes through butterfly valve, so that the outer wall and the inner wall of valve body are damaged, but no matter which part of the outer wall and the inner wall of valve body is damaged, the entire valve body needs to be replaced, so that the maintenance cost of butterfly valve is higher, for this purpose, a split butterfly valve structure is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a split butterfly valve structure to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a split butterfly valve structure, comprising:

[0006] Valve body, the valve body is split type setting;

[0007] Clamping mechanism, the clamping mechanism is set up in the inside of valve body;

[0008] Butterfly plate mechanism, the butterfly plate mechanism is set up in the inside of valve body;

[0009] Operating mechanism, the operating mechanism is set up in the top of valve body, and the operating mechanism is used to rotate butterfly plate mechanism;

[0010] Positioning mechanism, the positioning mechanism is set up in the inside of operating mechanism, and the positioning mechanism is used to lock operating mechanism.

[0011] Preferably, the valve body comprises:

[0012] Outer valve body;

[0013] Inner valve body, the inner valve body is inserted and set in the inside of outer valve body, and the clamping mechanism is set between outer valve body and inner valve body.

[0014] Preferably, the clamping mechanism comprises:

[0015] Clamping groove, the clamping groove is opened in the inner wall of outer valve body;

[0016] A clamping block is fixedly connected to the outer wall of the inner valve body and is inserted into the inner wall of the clamping groove.

[0017] Preferably, the butterfly plate mechanism comprises:

[0018] A valve rod is rotatably inserted into the inner part of the outer valve body and the inner valve body.

[0019] A butterfly plate is arranged in the inner part of the inner valve body and is fixedly sleeved on the outer wall of the valve rod.

[0020] A sealing mechanism is arranged on the outer wall of the valve rod.

[0021] Preferably, the sealing mechanism comprises:

[0022] A bushing is sleeved on the outer wall of the valve rod.

[0023] A first sealing ring is sleeved on the inner wall of a first annular groove formed in the outer wall of the bushing.

[0024] A plug hole is formed in the outer wall of the butterfly plate, and the bushing is inserted into the inner wall of the plug hole.

[0025] A second sealing ring is sleeved on the inner wall of a second annular groove formed in the outer wall of the bushing.

[0026] Preferably, the operation mechanism comprises:

[0027] A dial is fixedly connected to the top end of the outer valve body.

[0028] A handle is rotatably arranged on the top end of the dial and is connected to the valve rod.

[0029] An indicating block is arranged on the side of the top end of the handle.

[0030] A scale line is fixedly connected to the outer wall of the handle.

[0031] Preferably, the positioning mechanism comprises:

[0032] A pressing handle is rotatably connected to the inner wall of a bottom groove formed in the bottom end of the handle.

[0033] A tooth block is fixedly connected to the outer wall of the pressing handle.

[0034] An arc-shaped gear rack is fixedly connected to the outer wall of the dial, and the outer wall of the tooth block is meshingly connected to the outer wall of the arc-shaped gear rack.

[0035] A spring is arranged between the top end of the pressing handle and the inner wall of the bottom groove.

[0036] The technical effects and advantages of the present application are as follows:

[0037] The valve body is provided with an outer valve body and an inner valve body, and the butterfly plate can work stably through the cooperation of the clamping mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0038] Fig. 1 The utility model discloses a three-dimensional structure schematic diagram.

[0039] Fig. 2 The utility model discloses a front cross section structure schematic diagram.

[0040] Fig. 3 The utility model discloses a side cross section structure schematic diagram.

[0041] In the drawing: 101, outer valve body;102, inner valve body;103, clamping groove;104, clamping block;201, valve rod;202, butterfly plate;301, bushing;302, first annular groove;303, first sealing ring;401, insertion hole;402, second annular groove;403, second sealing ring;501, dial;502, handle;601, indicating block;602, scale line;701, bottom groove;702, pressing handle;703, tooth block;704, arc gear rack;803, spring. DETAILED DESCRIPTION

[0042] 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 in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0043] The present application provides a Figs. 1-3The structure of the split butterfly valve shown includes a valve body, a clamping mechanism, a butterfly plate mechanism, an operating mechanism and a positioning mechanism. The valve body is split, the clamping mechanism is arranged inside the valve body, the butterfly plate mechanism is arranged inside the valve body, the operating mechanism is arranged at the top end of the valve body and is used to rotate the butterfly plate mechanism, and the positioning mechanism is arranged inside the operating mechanism and is used to lock the operating mechanism. The valve body is arranged in a split structure like the outer valve body 101 and the inner valve body 102, and the clamping mechanism is matched to enable the butterfly plate 202 to work stably. When the valve body is damaged outside, only the outer valve body 101 needs to be replaced, and when the valve body is damaged inside, only the inner valve body 102 needs to be replaced, thereby reducing the maintenance cost of the butterfly valve.

[0044] The valve body includes an outer valve body 101 and an inner valve body 102, the inner valve body 102 is arranged inside the outer valve body 101, the clamping mechanism is arranged between the outer valve body 101 and the inner valve body 102, the clamping mechanism includes a clamping groove 103 and a clamping block 104, the clamping groove 103 is opened in the inner wall of the outer valve body 101, the clamping block 104 is fixedly connected to the outer wall of the inner valve body 102, and the clamping block 104 is arranged inside the clamping groove 103. By clamping the clamping block 104 in the clamping groove 103, the outer valve body 101 and the inner valve body 102 can be connected, thereby ensuring the stable use of the valve body.

[0045] The butterfly plate mechanism includes a valve rod 201, a butterfly plate 202 and a sealing mechanism, the valve rod 201 is rotatably arranged inside the outer valve body 101 and the inner valve body 102, the butterfly plate 202 is arranged inside the inner valve body 102, the butterfly plate 202 is fixedly sleeved to the outer wall of the valve rod 201, and the sealing mechanism is arranged on the outer wall of the valve rod 201. A sealing gasket is arranged on the outer wall of the butterfly plate 202, so that the valve rod 201 drives the butterfly plate 202 to rotate to block the inner valve body 102, thereby closing the butterfly valve.

[0046] The sealing mechanism includes a bushing 301, a first sealing ring 303, a plug hole 401 and a second sealing ring 403, the bushing 301 is sleeved to the outer wall of the valve rod 201, the outer wall of the bushing 301 is provided with a first annular groove 302, the first sealing ring 303 is sleeved to the inner wall of the first annular groove 302, the plug hole 401 is opened in the outer wall of the butterfly plate 202, the bushing 301 is arranged inside the plug hole 401, the outer wall of the bushing 301 is provided with a second annular groove 402, and the second sealing ring 403 is sleeved to the inner wall of the second annular groove 402. By arranging the first sealing ring 303 and the second sealing ring 403, the medium passing through the inner valve body 102 cannot flow into the gap, so that the butterfly valve does not leak, thereby improving the stability of the butterfly valve in operation.

[0047] The operation mechanism comprises a dial 501, a handle 502, an indicating block 601 and a scale line 602, the dial 501 is fixedly connected to the top end of the outer valve body 101, the handle 502 is rotatably arranged at the top end of the dial 501, the handle 502 is connected with the valve rod 201, the indicating block 601 is arranged at the side of the top end of the handle 502, the scale line 602 is fixedly connected to the outer wall of the handle 502, the handle 502 is rotated at the top end of the dial 501, the handle 502 is rotated to drive the valve rod 201 to rotate, the valve rod 201 is rotated to drive the butterfly plate 202 to rotate, thereby the stability of the butterfly valve is improved, and the rotation angle of the butterfly plate 202 in the inner valve body 102 is determined by the direction of the scale line 602 in the indicating block 601, thereby the accuracy of the butterfly valve is improved.

[0048] The positioning mechanism comprises a pressing handle 702, a tooth block 703, an arc-shaped gear rack 704 and a spring 803, the bottom end of the handle 502 is provided with a bottom groove 701, the pressing handle 702 is rotatably connected to the inner wall of the bottom groove 701, the tooth block 703 is fixedly connected to the outer wall of the pressing handle 702, the arc-shaped gear rack 704 is fixedly connected to the outer wall of the dial 501, the outer wall of the tooth block 703 is meshingly connected with the outer wall of the arc-shaped gear rack 704, and the spring 803 is arranged between the top end of the pressing handle 702 and the inner wall of the bottom groove 701, when the butterfly valve needs to be operated, the handle 502 is held, the pressing handle 702 is pinched upwards, the spring 803 is compressed by the pressing handle 702, until the tooth block 703 is separated from the arc-shaped gear rack 704, at this time, the handle 502 can be rotated, when the handle 502 is rotated to the required angle, the pressing handle 702 is released, the pressing handle 702 is reversely rotated under the elastic extrusion of the spring 803, the tooth block 703 is meshed with the arc-shaped gear rack 704, the handle 502 and the dial 501 are locked, thereby the stability of the butterfly valve is improved.

[0049] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A split butterfly valve structure, characterized by, The utility model relates to a valve, which comprises the following parts: A valve body, which is provided in a split manner; A clamping mechanism, which is arranged inside the valve body; A butterfly plate mechanism, which is arranged inside the valve body; An operating mechanism, which is arranged at the top end of the valve body and used for rotating the butterfly plate mechanism; A positioning mechanism, which is arranged inside the operating mechanism and used for locking the operating mechanism.

2. The split butterfly valve structure of claim 1, wherein, The valve body comprises: An outer valve body (101); An inner valve body (102), which is arranged inside the outer valve body (101), and the clamping mechanism is arranged between the outer valve body (101) and the inner valve body (102).

3. The split butterfly valve structure of claim 2, wherein, The clamping mechanism comprises: A clamping groove (103), which is formed in the inner wall of the outer valve body (101); A clamping block (104), which is fixedly connected to the outer wall of the inner valve body (102) and arranged inside the clamping groove (103).

4. The split butterfly valve structure of claim 2, wherein, The butterfly plate mechanism comprises: A valve rod (201), which is rotatably arranged inside the outer valve body (101) and the inner valve body (102); A butterfly plate (202), which is arranged inside the inner valve body (102) and fixedly sleeved on the outer wall of the valve rod (201); A sealing mechanism, which is arranged on the outer wall of the valve rod (201).

5. The split butterfly valve structure of claim 4, wherein, The sealing mechanism comprises: A bushing (301), which is sleeved on the outer wall of the valve rod (201); A first sealing ring (303), which is sleeved on the inner wall of a first annular groove (302) formed in the outer wall of the bushing (301); A plug hole (401), which is formed in the outer wall of the butterfly plate (202) and through which the bushing (301) is arranged; A second sealing ring (403), which is sleeved on the inner wall of a second annular groove (402) formed in the outer wall of the bushing (301).

6. The split butterfly valve structure of claim 4, wherein, The operating mechanism comprises: A dial (501), which is fixedly connected to the top end of the outer valve body (101); A handle (502), which is rotatably arranged at the top end of the dial (501) and connected to the valve rod (201); An indicating block (601), which is arranged on the side of the top end of the handle (502); A scale line (602), which is fixedly connected to the outer wall of the handle (502).

7. The split butterfly valve structure of claim 6, wherein, The positioning mechanism comprises: A pressing handle (702), which is rotatably connected to the inner wall of a bottom groove (701) formed in the bottom end of the handle (502); A tooth block (703), which is fixedly connected to the outer wall of the pressing handle (702). An arc-shaped rack (704) is fixedly connected to the outer wall of the scale disc (501), and the outer wall of the tooth block (703) is engagedly connected with the outer wall of the arc-shaped rack (704); A spring (803) is arranged between the top end of the pressing handle (702) and the inner wall of the bottom groove (701).

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