Butterfly valve with self-cleaning function

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a butterfly valve with a self-cleaning function, which comprises an equipment main body, the equipment main body comprises a connecting pipe, the front end and the rear end of the connecting pipe are fixedly connected with an annular mounting plate, and a plurality of mounting holes are formed in the middle of the annular mounting plate; by arranging an annular limiting groove, a circular limiting plate, a supporting rod, a fixing base, a circular supporting base, an arc-shaped clamping groove, an L-shaped connecting rod, a groove, a connecting shaft, a connecting block and a handle, when a pipeline is closed or opened, the pipeline can be opened or closed by pulling the handle outwards and rotating the handle by 90 degrees, then the handle is pressed downwards into the arc-shaped clamping groove, the handle is convenient to adjust and fix, and the pipeline can be conveniently opened or closed. By arranging the first valve plate, the first annular groove, the second valve plate, the bolt, the second annular groove and the rubber ring, the rubber ring is taken down and replaced after the second valve plate is detached by unscrewing a nut in the bolt, then the second valve plate is installed, replacement is convenient, operation is easy, and the practicability of the device is effectively enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a self-cleaning function. Background Art

[0002] The butterfly valve, also known as the flap valve, is a simple regulating valve. The butterfly valve mainly cuts off and throttles the pipeline. The butterfly valve opening and closing part is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve the purpose of opening, closing or regulating.

[0003] The existing butterfly valve with self-cleaning function uses a rubber ring to scrape dirt on the inner wall of the pipe for a long time, which easily causes the outer end of the rubber ring to be worn and causes poor airtightness, affecting the service life and opening and closing effect of the butterfly valve, and is not easy to disassemble and assemble. Therefore, improvement is needed, and a butterfly valve with self-cleaning function is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a butterfly valve with a self-cleaning function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a butterfly valve with a self-cleaning function, comprising a device body, the device body comprising:

[0006] A connecting pipe, wherein the front and rear ends of the connecting pipe are fixedly connected with an annular mounting plate, and a plurality of mounting holes are opened in the middle of the annular mounting plate.

[0007] Furthermore, an annular limiting groove is provided at the bottom end of the connecting pipe, and a circular limiting plate is rotatably connected to the middle of the annular limiting groove.

[0008] Furthermore, a support rod is fixedly connected to the top end of the circular limiting plate, and the support rod passes through the connecting pipe.

[0009] Furthermore, a fixing plate is penetrated and connected to the upper end of the support rod, and the bottom end of the fixing plate is fixedly connected to the connecting pipe.

[0010] Furthermore, a circular support seat is fixedly connected to the top end of the fixing plate, and the outer side of the circular support seat is circular and evenly provided with four arc-shaped slots.

[0011] Furthermore, an L-shaped connecting rod is fixedly connected to the top end of the support rod, and a groove is formed at the front end of the L-shaped connecting rod.

[0012] Furthermore, a connecting shaft is fixedly connected to the middle of the groove, and a connecting plate is rotatably connected to the middle of the connecting shaft.

[0013] Furthermore, a handle is fixedly connected to the bottom end of the connecting plate, and the lower end of the handle is engaged with the arc-shaped slot.

[0014] Furthermore, a first valve plate is snap-connected to the middle front end of the support rod, a first annular groove is provided on the outer side of the first valve plate, and bolts are fixedly connected to the middle of the first valve plate from top to bottom, and the bolts penetrate the support rod.

[0015] Furthermore, one end of the bolt is threadedly connected to a second valve plate, a second annular groove is provided on the outer side of the second valve plate, and a rubber ring is clamped and connected between the second annular groove and the outer side of the first annular groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By arranging an annular limit groove, a circular limit plate, a support rod, a fixing seat, a circular support seat, an arc-shaped slot, an L-shaped connecting rod, a groove, a connecting shaft, a connecting block and a handle, when closing or opening the pipeline, the handle is pulled outward, and the pipeline can be opened or closed by rotating it 90 degrees, and then the handle is pressed downward into the arc-shaped slot, which is convenient for adjusting and fixing the handle. By arranging a first valve plate, a first annular groove, a second valve plate, a bolt, a second annular groove and a rubber ring, the second valve plate can be disassembled by unscrewing the nut in the bolt, and then the rubber ring can be removed and replaced, and then the second valve plate can be installed. It is convenient for replacement and simple to operate, and the practicality of the device is effectively enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a right side cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a right side structural schematic diagram of the utility model;

[0022] Figure 4 It is a schematic diagram of the partial internal three-dimensional structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the partial internal three-dimensional structure of the utility model.

[0024] In the figure: 1. Equipment body; 101. L-shaped connecting rod; 102. Groove; 103. Connecting shaft; 104. Connecting plate; 105. Handle; 106. First valve plate; 107. First annular groove; 108. Bolt; 109. Second valve plate; 110. Second annular groove; 111. Rubber ring; 11. Connecting pipe; 12. Annular mounting plate; 13. Mounting hole; 14. Annular limiting groove; 15. Circular limiting plate; 16. Support rod; 17. Fixing seat; 18. Circular supporting seat; 19. Arc-shaped slot. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5The utility model provides a technical solution of a butterfly valve with a self-cleaning function: a butterfly valve with a self-cleaning function, comprising a device body 1, the device body 1 comprises: a connecting pipe 11, the front and rear ends of the connecting pipe 11 are fixedly connected with an annular mounting plate 12, the middle of the annular mounting plate 12 is provided with a plurality of mounting holes 13, the bottom end of the connecting pipe 11 is provided with an annular limiting groove 14, by arranging the annular limiting groove 14, the circular limiting plate 15, the support rod 16, the fixing seat 17, the circular supporting seat 18, the arc-shaped card groove 19, the L-shaped connecting rod 101, the groove 102, the connecting shaft 103, the connecting block and the handle 105, when When closing or opening the pipeline, pull the handle 105 outwards, rotate it 90 degrees to open or close the pipeline, and then press the handle 105 downwards into the arc-shaped slot 19 to facilitate adjustment and fixing of the handle 105. A circular limiting plate 15 is rotatably connected in the middle of the annular limiting slot 14. A support rod 16 is fixedly connected to the top of the circular limiting plate 15. The support rod 16 passes through the connecting pipe 11. The upper end of the support rod 16 passes through a fixing plate. The bottom end of the fixing plate is fixedly connected to the connecting pipe 11. The top of the fixing plate is fixedly connected to a circular support seat 18. The outer side of the circular support seat 18 is circular and evenly provided with four arc-shaped slots 19.

[0029] The top of the support rod 16 is fixedly connected with an L-shaped connecting rod 101, the front end of the L-shaped connecting rod 101 is provided with a groove 102, the middle of the groove 102 is fixedly connected with a connecting shaft 103, the middle of the connecting shaft 103 is rotatably connected with a connecting plate 104, the bottom end of the connecting plate 104 is fixedly connected with a handle 105, the lower end of the handle 105 is engaged with the arc-shaped groove 19, and the middle front end of the support rod 16 is engaged with a first valve plate 106. By setting the first valve plate 106, the first annular groove 107, the second valve plate 109, the bolt 108, the second annular groove 110 and the rubber ring 111, by screwing down After the second valve disc 109 is disassembled by the nut in the bolt 108, the rubber ring 111 can be removed and replaced, and then the second valve disc 109 can be installed. It is easy to replace and the operation is simple, which effectively enhances the practicality of the device. A first annular groove 107 is provided on the outer side of the first valve disc 106, and the middle of the first valve disc 106 is fixedly connected with bolts 108 up and down. The bolts 108 pass through the support rod 16, and one end of the bolt 108 is threadedly connected to the second valve disc 109. A second annular groove 110 is provided on the outer side of the second valve disc 109, and the second annular groove 110 is engaged with the outer side of the first annular groove 107 with a rubber ring 111.

[0030] The utility model is provided with a device body 1. When in use, when closing or opening the pipeline, the handle 105 is pulled outward, and the pipeline can be opened or closed by rotating it 90 degrees, and then the handle 105 is pressed downward into the arc-shaped slot 19, which is convenient for adjusting and fixing the handle 105. The second valve plate 109 is disassembled by unscrewing the nut in the bolt 108, and the rubber ring 111 is removed and replaced, and then the second valve plate 109 is installed. It is convenient for replacement and simple to operate, and the practicality of the device is effectively enhanced.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A butterfly valve with a self-cleaning function, comprising a device body (1), characterized in that: The device body (1) comprises: A connecting pipe (11), wherein the front and rear ends of the connecting pipe (11) are fixedly connected to an annular mounting plate (12), and a plurality of mounting holes (13) are provided in the middle of the annular mounting plate (12).

2. A butterfly valve with self-cleaning function according to claim 1, characterized in that: An annular limiting groove (14) is provided at the bottom end of the connecting pipe (11), and a circular limiting plate (15) is rotatably connected in the middle of the annular limiting groove (14).

3. A butterfly valve with self-cleaning function according to claim 2, characterized in that: The top end of the circular limiting plate (15) is fixedly connected to a support rod (16), and the support rod (16) passes through the connecting pipe (11).

4. The butterfly valve with self-cleaning function according to claim 3, characterized in that: The upper end of the support rod (16) is penetrated and connected with a fixing plate (17), and the bottom end of the fixing plate (17) is fixedly connected to the connecting pipe (11).

5. The butterfly valve with self-cleaning function according to claim 4, characterized in that: A circular support seat (18) is fixedly connected to the top end of the fixing plate (17), and the outer side of the circular support seat (18) is circular and evenly provided with four arc-shaped slots (19).

6. The butterfly valve with self-cleaning function according to claim 3, characterized in that: The top end of the support rod (16) is fixedly connected to an L-shaped connecting rod (101), and a groove (102) is formed at the front end of the L-shaped connecting rod (101).

7. The butterfly valve with self-cleaning function according to claim 6, characterized in that: A connecting shaft (103) is fixedly connected in the middle of the groove (102), and a connecting plate (104) is rotatably connected in the middle of the connecting shaft (103).

8. The butterfly valve with self-cleaning function according to claim 7, characterized in that: The bottom end of the connecting plate (104) is fixedly connected with a handle (105), and the lower end of the handle (105) is snap-connected with the arc-shaped slot (19).

9. The butterfly valve with self-cleaning function according to claim 3, characterized in that: The middle front end of the support rod (16) is snap-connected with a first valve plate (106), the outer side of the first valve plate (106) is provided with a first annular groove (107), the middle of the first valve plate (106) is fixedly connected with bolts (108) at the upper and lower parts, and the bolts (108) pass through the support rod (16).

10. The butterfly valve with self-cleaning function according to claim 9, characterized in that: One end of the bolt (108) is threadedly connected to a second valve plate (109), a second annular groove (110) is provided on the outer side of the second valve plate (109), and a rubber ring (111) is clamped and connected between the second annular groove (110) and the outer side of the first annular groove (107).

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