Stainless steel quick-assembly butterfly valve convenient to filter

Abstract

The utility model discloses a stainless steel fast-assembly butterfly valve convenient to filter. The stainless steel fast-assembly butterfly valve comprises a stainless steel valve body, a stainless steel valve rod arranged on the inner side of the stainless steel valve body in a nested mode and a stainless steel valve plate fixedly connected outside the stainless steel valve rod. A shielding limiting structure is arranged outside the stainless steel valve rod and the stainless steel valve plate, the shielding limiting structure comprises a stainless steel valve cover and a second sealing gasket fixedly pasted outside the stainless steel valve cover, and the stainless steel valve cover is arranged on the outer upper sides of the stainless steel valve rod and the stainless steel valve plate in a nested mode. A direction adjusting control structure is arranged on the stainless steel valve rod and comprises a worm gear, a dial, a worm and a mounting plate, and the worm gear is fixedly connected to the stainless steel valve rod. According to the stainless steel fast-assembly butterfly valve convenient to filter, the stainless steel butterfly valve can be fast assembled conveniently, the sealing performance of the stainless steel butterfly valve can be guaranteed conveniently, circulation of media can be accurately regulated and controlled conveniently, the media can be filtered conveniently, and filtered objects can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel butterfly valves, in particular to a stainless steel quick-install butterfly valve which is convenient for filtering. Background Art

[0002] A valve is an opening and closing component used to control the flow of media such as air, water, and steam. There are many types of valves, which are widely used in various pipelines. Among them, the butterfly valve is also called a flap valve, which is composed of a valve plate, a valve stem, and a butterfly plate.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN218236183U discloses a stainless steel wafer-type butterfly valve. The utility model relates to the technical field of wafer-type butterfly valves, including: a valve body, a valve seat, a handle and a valve stem. The valve body is equipped with a valve seat, one side of the valve seat is connected with a handle, a valve stem is connected between the valve seat and the valve body, a butterfly plate is arranged on the side of the valve stem, and the butterfly plate is embedded in the valve body; the side of the valve stem close to the butterfly plate is connected with a connecting plate, and the connecting plate and the butterfly plate are symmetrically distributed in two groups about the center line of the valve stem. In this stainless steel wafer-type butterfly valve, pushing the butterfly plate will drive the rectangular block to slide out of the groove, and then the butterfly plate can be disassembled for replacement, thereby solving the problem that the existing stainless steel wafer-type butterfly valve is not convenient for replacing the butterfly plate; first, the medium will be filtered through a coarse filter screen, and the medium after passing through the coarse filter screen will pass through the valve body and enter the fine filter screen at the other end for secondary filtration, thereby playing the effect of filtering the medium.

[0004] However, the existing stainless steel butterfly valves are generally difficult to assemble quickly during use, and are not convenient for accurately regulating and filtering the flow of the medium. Therefore, we propose a stainless steel quick-install butterfly valve that is easy to filter in order to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a stainless steel quick-install butterfly valve that is easy to filter, so as to solve the problem that the existing stainless steel butterfly valve proposed in the above background technology is generally difficult to assemble quickly during use, and it is not convenient to accurately control and filter the flow of the medium.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel quick-install butterfly valve that is convenient for filtering, comprising: a stainless steel valve body, a stainless steel valve stem nested inside the stainless steel valve body, and a stainless steel valve plate fixedly connected to the outside of the stainless steel valve stem;

[0007] Also includes:

[0008] The stainless steel valve stem and the stainless steel valve plate are provided with a blocking and limiting structure, wherein the blocking and limiting structure includes a stainless steel valve cover and a second sealing gasket fixed to the outside of the stainless steel valve cover, and the stainless steel valve cover is nested and arranged on the upper side of the stainless steel valve stem and the stainless steel valve plate;

[0009] The stainless steel valve stem is provided with a direction adjustment control structure, wherein the direction adjustment control structure includes a worm gear, a dial, a worm and a mounting plate, and the worm gear is fixedly connected to the stainless steel valve stem;

[0010] A filter limiting structure is arranged on the inner side of the left end of the stainless steel valve body, wherein the filter limiting structure includes a first filter screen, a second filter screen, a third filter screen, a connecting plate and a limiting block, and the first filter screen, the second filter screen, the third filter screen and the connecting plate are all nested and fitted in the stainless steel valve body.

[0011] Preferably, a first sealing gasket is glued and fixedly connected to the outer sides of the stainless steel valve stem and the stainless steel valve plate, and the outer sides of the upper and lower ends of the first sealing gasket are tightly connected to the stainless steel valve cover and the stainless steel valve body respectively.

[0012] Preferably, the outer lower end of the stainless steel valve cover is fixedly connected to the stainless steel valve body via screws, and the second sealing gasket is tightly fitted to the stainless steel valve body.

[0013] Preferably, a scale plate is adhered and fixed to the middle upper surface of the worm wheel, and the right side of the worm wheel is meshingly connected with a worm located on the upper side of the right end of the stainless steel valve body.

[0014] Preferably, the outer end of the worm is nested and clamped with a mounting plate that is symmetrically fitted with the stainless steel valve body, and the outer lower end of the mounting plate is fixedly connected to the stainless steel valve body via screws.

[0015] Preferably, the connecting plate is symmetrically fixed to the inner sides of the front and rear ends of the first filter screen, the second filter screen and the third filter screen, and the upper and lower right ends of the third filter screen are both fitted with limiting blocks symmetrically fixed to the stainless steel valve body.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the stainless steel quick-install butterfly valve that is convenient for filtering is convenient for rapid assembly of the stainless steel butterfly valve, and is convenient for ensuring its sealing performance, is convenient for precise regulation of the flow of the medium, is convenient for filtering the medium, and is convenient for cleaning the filtered material;

[0017] 1. A stainless steel valve body, a stainless steel valve stem, a stainless steel valve plate and a first sealing gasket are provided. Since a stainless steel valve stem and a stainless steel valve plate fixedly connected to the outside of the stainless steel valve stem are nested in the stainless steel valve body, a first sealing gasket is pasted and fixed to the outside of the stainless steel valve stem and the stainless steel valve plate, and the upper and lower ends of the first sealing gasket are respectively tightly fitted with the stainless steel valve cover and the stainless steel valve body, the stainless steel valve cover is symmetrically arranged on the inner side of the outer upper end of the stainless steel valve body, and the stainless steel valve cover is fixedly connected to the stainless steel valve body by screws, and the second sealing gasket pasted and fixed to the outside of the stainless steel valve cover is tightly fitted with the stainless steel valve body, so it is convenient to quickly assemble the stainless steel butterfly valve and ensure its sealing performance;

[0018] 2. A stainless steel valve stem, worm wheel, dial and worm are provided. Since the stainless steel valve stem is fixedly connected with a worm wheel with a dial attached to the upper surface, the right side of the worm wheel is meshedly connected with a worm wheel which is limited by the mounting plate, and the mounting plate and the stainless steel valve body are fixedly connected by screws, it is convenient to accurately control the flow of the medium;

[0019] 3. A first filter screen, a second filter screen, a third filter screen and a connecting plate are provided. Since the first filter screen, the second filter screen and the third filter screen connected via the connecting plate are nested on the inner side of the left end of the stainless steel valve body, limiting blocks symmetrically fixed to the stainless steel valve body are fitted on the right sides of the upper and lower ends of the third filter screen, it is convenient to filter the medium and clean the filtered material. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0023] Figure 4 This is a schematic diagram of the front view structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the top view cross-sectional structure of the connection between the worm and the mounting plate of the utility model.

[0025] In the figure: 1. stainless steel valve body; 2. stainless steel valve stem; 3. stainless steel valve plate; 4. first sealing gasket; 5. stainless steel valve cover; 6. second sealing gasket; 7. worm gear; 8. dial; 9. worm; 10. mounting plate; 11. first filter screen; 12. second filter screen; 13. third filter screen; 14. connecting plate; 15. limiting block. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5 The utility model provides a technical solution: a stainless steel quick-install butterfly valve that is easy to filter, including a stainless steel valve body 1, a stainless steel valve stem 2, a stainless steel valve plate 3, a first sealing gasket 4, a stainless steel valve cover 5, a second sealing gasket 6, a worm wheel 7, a dial 8, a worm 9, a mounting plate 10, a first filter screen 11, a second filter screen 12, a third filter screen 13, a connecting plate 14 and a limiting block 15, a stainless steel valve stem 2 nested inside the stainless steel valve body 1 and a stainless steel valve plate 3 fixedly connected to the outside of the stainless steel valve stem 2, a shielding and limiting structure is arranged outside the stainless steel valve stem 2 and the stainless steel valve plate 3, wherein the shielding and limiting structure includes a stainless steel valve cover 5 and a stainless steel valve cover 5. A second sealing gasket 6 is adhered and fixed outside, and a stainless steel valve cover 5 is nested and arranged on the outer upper side of the stainless steel valve stem 2 and the stainless steel valve plate 3. A direction adjustment control structure is arranged on the stainless steel valve stem 2, wherein the direction adjustment control structure includes a worm gear 7, a dial 8, a worm 9 and a mounting plate 10, and the worm gear 7 is fixedly connected to the stainless steel valve stem 2. A filter limiting structure is arranged on the inner side of the left end of the stainless steel valve body 1, wherein the filter limiting structure includes a first filter screen 11, a second filter screen 12, a third filter screen 13, a connecting plate 14 and a limiting block 15, and the first filter screen 11, the second filter screen 12, the third filter screen 13 and the connecting plate 14 are all nested and fitted in the stainless steel valve body 1;

[0028] When using this stainless steel quick-install butterfly valve that is easy to filter, Figure 1 , Figure 2 , Figure 3 and Figure 4First, the stainless steel valve stem 2 and the stainless steel valve plate 3 fixedly connected to the outside of the stainless steel valve stem 2 can be nested and arranged inside the stainless steel valve body 1, so that the first sealing gasket 4 glued and fixed to the outside of the stainless steel valve stem 2 and the stainless steel valve plate 3 is tightly fitted and connected to the stainless steel valve body 1, and then the stainless steel valve cover 5 can be nested and arranged on the front and back sides of the stainless steel valve stem 2 and the stainless steel valve plate 3, so that the stainless steel valve cover 5 is nested and fitted inside the front and back ends of the stainless steel valve body 1, and the stainless steel valve cover 5 is tightly fitted and connected to the stainless steel valve plate 3, and the second sealing gasket 6 glued and fixed to the outside of the stainless steel valve cover 5 is tightly fitted and connected to the stainless steel valve body 1, and then the stainless steel valve cover 5 can be fixed to the stainless steel valve body 1 by screws. In order to achieve the purpose of limiting the stainless steel valve stem 2 and the stainless steel valve plate 3, the worm 9 whose outer end is nested and connected to the mounting plate 10 can be engaged with the right side of the worm wheel 7 fixedly connected to the stainless steel valve stem 2, so that the mounting plate 10 is symmetrically attached to the outside of the stainless steel valve body 1, and the mounting plate 10 can be fixedly connected to the stainless steel valve body 1 by screws. Finally, the first filter screen 11, the second filter screen 12, and the third filter screen 13 connected by the connecting plate 14 can be nested and attached to the inner side of the left end of the stainless steel valve body 1, so that the right side of the third filter screen 13 is attached to the limiting block 15 symmetrically fixed on the inner side of the left end of the stainless steel valve body 1, thereby facilitating the purpose of quickly assembling the stainless steel butterfly valve;

[0029] like Figure 1 , Figure 2 , Figure 4 and Figure 5 During the use of the stainless steel butterfly valve, the first sealing gasket 4 and the second sealing gasket 6 are arranged to ensure the sealing performance of the connection between the stainless steel valve body 1, the stainless steel valve stem 2, the stainless steel valve plate 3 and the stainless steel valve cover 5, and the scale plate 8 is fixedly connected to the middle upper surface of the worm wheel 7 by pasting, and the right side of the worm wheel 7 is meshedly connected with a worm 9 which is limited by the mounting plate 10. Therefore, the worm wheel 7 drives the stainless steel valve stem 2 and the stainless steel valve plate 3 fixed outside the stainless steel valve stem 2 to rotate through the display of the scale plate 8 and the rotation of the worm 9, so as to facilitate the precise regulation of the flow of the medium;

[0030] like Figure 1 and Figure 3 , and the first filter screen 11, the second filter screen 12, and the third filter screen 13 are arranged from left to right in the stainless steel valve body 1, and the first filter screen 11, the second filter screen 12, and the third filter screen 13 are fixedly connected to the inner sides of the front and rear ends of the first filter screen 11, the second filter screen 12, and the third filter screen 13 with a connecting plate 14 protruding from the first filter screen 11, so that it is convenient to filter the medium through the first filter screen 11, the second filter screen 12, and the third filter screen 13, and it is convenient to take the first filter screen 11, the second filter screen 12, and the third filter screen 13 out of the stainless steel valve body 1 through the connecting plate 14, so as to facilitate the cleaning of the filtered material. The above components are all existing technologies and will not be described in detail here.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stainless steel quick-install butterfly valve for easy filtration, comprising: A stainless steel valve body (1), a stainless steel valve stem (2) nested inside the stainless steel valve body (1), and a stainless steel valve plate (3) fixedly connected to the outside of the stainless steel valve stem (2); It is characterized by further comprising: The stainless steel valve stem (2) and the stainless steel valve plate (3) are provided with a blocking and limiting structure outside, wherein the blocking and limiting structure comprises a stainless steel valve cover (5) and a second sealing gasket (6) adhered and fixed to the outside of the stainless steel valve cover (5), and the stainless steel valve cover (5) is nested and arranged on the outer upper side of the stainless steel valve stem (2) and the stainless steel valve plate (3); The stainless steel valve stem (2) is provided with a direction adjustment control structure, wherein the direction adjustment control structure comprises a worm wheel (7), a dial (8), a worm (9) and a mounting plate (10), and the worm wheel (7) is fixedly connected to the stainless steel valve stem (2); A filter limiting structure is arranged on the inner side of the left end of the stainless steel valve body (1), wherein the filter limiting structure comprises a first filter screen (11), a second filter screen (12), a third filter screen (13), a connecting plate (14) and a limiting block (15), and the first filter screen (11), the second filter screen (12), the third filter screen (13) and the connecting plate (14) are all nested and fitted in the stainless steel valve body (1).

2. A stainless steel quick-install butterfly valve for filtration according to claim 1, characterized in that: The outer sides of the stainless steel valve stem (2) and the stainless steel valve plate (3) are glued and fixedly connected with a first sealing gasket (4), and the outer sides of the upper and lower ends of the first sealing gasket (4) are tightly fitted and connected to the stainless steel valve cover (5) and the stainless steel valve body (1) respectively.

3. A stainless steel quick-install butterfly valve for filtration according to claim 1, characterized in that: The outer lower end of the stainless steel valve cover (5) is fixedly connected to the stainless steel valve body (1) via screws, and the second sealing gasket (6) is tightly connected to the stainless steel valve body (1).

4. A stainless steel quick-install butterfly valve for filtration according to claim 1, characterized in that: A scale plate (8) is glued and fixed to the middle upper surface of the worm wheel (7), and the right side of the worm wheel (7) is meshingly connected with a worm (9) located on the upper right side of the stainless steel valve body (1).

5. A stainless steel quick-install butterfly valve for filtration according to claim 1, characterized in that: The outer end of the worm (9) is nested and clamped with a mounting plate (10) that is symmetrically fitted with the stainless steel valve body (1), and the outer lower end of the mounting plate (10) is fixedly connected to the stainless steel valve body (1) via screws.

6. A stainless steel quick-install butterfly valve for filtration according to claim 1, characterized in that: The connecting plate (14) is symmetrically fixed to the inner sides of the front and rear ends of the first filter screen (11), the second filter screen (12) and the third filter screen (13), and the right sides of the upper and lower ends of the third filter screen (13) are both fitted with limiting blocks (15) symmetrically fixed to the stainless steel valve body (1).

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