Sanitary clamp butterfly valve
By introducing a combined structure of docking ring, semicircular clamp and positioning bolts into the sanitary butterfly valve, the problem of inconvenient installation between the valve body and the pipeline in the prior art is solved, an efficient and stable connection method is achieved, and the disassembly and assembly process is simplified.
Patent Information
- Application Number
- CN202421817943.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing sanitary grade butterfly valve lacks butt ring and clamp structure, which leads to inconvenient installation of the valve body and the pipeline and complex connection of flange bolts, affecting the disassembly and assembly efficiency.
The connecting pipes at both ends of the valve body are combined with the butt ring and sealing ring. The combination of semicircular clamps and positioning bolts is used to achieve stable installation. The inclined surface positioning of the semicircular holes and the top tightening block is used to threaded installation with the hexagonal cylinder connection positioning nuts to improve the stability and efficiency of installation.
It realizes efficient and stable installation of the valve body and pipeline, simplifies the combined use process, and improves the disassembly and assembly efficiency and installation safety.
Smart Images

Figure CN223306335U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of butterfly valves, and more particularly to a sanitary clamp butterfly valve. Background Art
[0002] Sanitary butterfly valves utilize standard electronic polishing to ensure a smooth surface, eliminating areas where media can accumulate and potentially contaminate. Quick-release valves make valve opening and maintenance quick and easy, minimizing process downtime. These sanitary butterfly valves, available in automatic or manual operation, are widely used in a variety of applications, including beer, beverages, dairy, juice, pharmaceuticals, and biotechnology.
[0003] The utility model of authorization announcement number CN210461719U relates to a sanitary butterfly valve, including a valve body, a valve stem, a handle, and a valve plate. The valve body includes a first valve body and a second valve body, the valve plate is movably connected to the valve body, the valve stem passes through the valve body and one end of the first sealing ring relative to the valve stem and is fixedly connected to the valve plate, and a clamp is circumferentially provided at the connection between the first valve body and the second valve body, the clamp includes a matching first hoop body and a second hoop body, one end of the first hoop body and the second hoop body is respectively provided with a first fixing block, and the other end is symmetrically provided with a second fixing block, the outer side of the first fixing block is clamped with a fixing ring, the outer side of the fixing block is provided with a slot for clamping the fixing ring, and one end of the second fixing block is provided with a fixing piece, the fixing piece includes a first bolt and a butterfly nut, the first bolt is hinged to the second fixing block on the first hoop body, and the butterfly nut cooperates with the first bolt to provide a sanitary butterfly valve that is easy to disassemble and clean.
[0004] The above disclosed structure lacks mutually combined docking rings and clamp structures, which is not conducive to the clamping installation of the valve body and the pipeline. The flange bolt connection is relatively complicated, which is not conducive to combined installation and adjustment, affecting the disassembly and assembly efficiency, and needs to be improved. Utility Model Content
[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide a sanitary clamp butterfly valve, which can be installed and positioned in combination through the connecting pipes at both ends of the valve body, and the sealing ring is connected in combination with the docking ring. The connecting block and the positioning bolt are installed through the semicircular clamp, which can be clamped and installed and fixed, which is convenient and efficient, conducive to stable installation, and conducive to combined use.
[0006] In order to solve the above problems, the present invention adopts the following technical solutions.
[0007] A sanitary clamp butterfly valve comprises a valve body, a control seat is fixedly installed on one side of the valve body, both ends of the valve body are fixedly connected to connecting pipes, one end of the connecting pipe is butted with a pipeline, the end heads of the connecting pipe and the pipeline are both provided with docking rings, the docking rings are pressed and aligned with each other, one side surface of the docking ring is fixedly connected to a sealing ring, the sealing ring is tightly connected to one side surface of the docking ring, the other side surface of the docking ring is provided with a conical surface, the outer surfaces of the connecting pipe and the pipeline are fixedly sleeved with a semicircular clamp, both ends of the semicircular clamp are fixedly connected to a connecting block, one end of the connecting block is provided with a positioning hole, a positioning bolt is rotatably installed inside the positioning hole, the positioning bolt is rotatably installed on one end of the connecting block, and the positioning bolts are symmetrically distributed on both sides of the connecting pipe.
[0008] Furthermore, a semicircular hole is provided on one side of the semicircular clamp, and the semicircular hole is clamped to one end surface of the connecting pipe.
[0009] Furthermore, a tightening block is fixedly connected to the inner surface of the semicircular clamp, and the tightening blocks are distributed at equal angles inside the semicircular clamp.
[0010] Furthermore, one end of the tightening block is provided with an inclined surface, and the inclined surface is tightly connected to the side surface of the conical surface. By setting a semicircular hole, it can be clamped and positioned, and by setting the inclined surface on the tightening block, it can be clamped and positioned, ensuring the stability of the clamping installation and facilitating combined use.
[0011] Furthermore, a hexagonal tube is fixedly connected to one side of the connecting block, and the hexagonal tube is located at one end of the positioning hole.
[0012] Furthermore, a positioning nut is clamped inside the hexagonal tube, and the positioning nut is threadedly installed on one end surface of the positioning bolt.
[0013] Furthermore, the positioning nut is located on one side of the connecting block, and the positioning nut is connected through a hexagonal tube, and can be combined with a positioning bolt for threaded installation, which is convenient for tightening and fixing, and is beneficial to the stability of the clamping installation.
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] (1) This solution installs the pipeline through the connecting pipes at both ends of the valve body, and combines the sealing ring with the docking ring, which can be installed and positioned in combination. The connecting block and positioning bolts are installed through the semicircular clamp, which can be clamped and fixed. It is convenient and efficient, conducive to stable installation, and conducive to combined use.
[0016] (2) By setting a semicircular hole, it can be clamped and positioned, and by setting an inclined surface on the tightening block, it can be tightened and positioned, ensuring the stability of the clamping installation and facilitating combined use.
[0017] (3) The positioning nut can be connected through the hexagonal tube and the positioning bolt can be combined for threaded installation, which is convenient for tightening and fixing, and is conducive to the stability of the clamping installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the external structure of the overall structure of the utility model;
[0019] Figure 2 It is a cross-sectional schematic diagram of the planar structure of the utility model;
[0020] Figure 3 It is a side cross-sectional view of the semicircular clamp of the present utility model;
[0021] Figure 4 This is a partial structural diagram of the positioning nut connection of the utility model.
[0022] Description of the numbers in the figure:
[0023] 1 valve body, 11 control seat, 12 connecting pipe, 13 pipeline, 14 docking ring, 15 sealing ring, 16 conical surface, 17 semicircular clamp, 18 connecting block, 19 positioning hole, 2 positioning bolt, 21 semicircular hole, 22 tightening block, 23 inclined surface, 24 hexagonal cylinder, 25 positioning nut. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0025] See also Figure 1 、 Figure 2 and Figure 3, a sanitary clamp butterfly valve, including a valve body 1, a control seat 11 is fixedly installed on one side of the valve body 1, both ends of the valve body 1 are fixedly connected with a connecting pipe 12, one end of the connecting pipe 12 is docked with a pipe 13, which can be docked for installation, convenient for switch adjustment, and has high adaptability. The ends of the connecting pipe 12 and the pipe 13 are both provided with a docking ring 14, the docking rings 14 are pressed against each other, and a sealing ring 15 is fixedly connected to the surface of one side of the docking ring 14. The sealing ring 15 is pressed against the docking ring 14, and can be connected and positioned for sealing, ensuring the stability of the alignment installation and convenient for combined use. The sealing ring 1 5 is tightly connected to one side surface of the docking ring 14, and the other side surface of the docking ring 14 is provided with a conical surface 16. The outer surfaces of the connecting pipe 12 and the pipeline 13 are fixedly sleeved with a semicircular clamp 17. Through the clamping installation of the semicircular clamp 17, they can be assembled and installed conveniently and efficiently, which is conducive to connection and use. Both ends of the semicircular clamp 17 are fixedly connected to a connecting block 18. One end of the connecting block 18 is provided with a positioning hole 19. The positioning bolt 2 is rotatably installed in the positioning hole 19. The positioning bolt 2 is rotatably installed on one end of the connecting block 18. The positioning bolts 2 are symmetrically distributed on both sides of the connecting pipe 12.
[0026] See also Figure 2 and Figure 4 A semicircular hole 21 is provided on one side of the semicircular clamp 17, and the semicircular hole 21 is clamped to one end surface of the connecting pipe 12. A tightening block 22 is fixedly connected to the inner surface of the semicircular clamp 17, and the tightening block 22 is distributed at equal angles inside the semicircular clamp 17. One end of the tightening block 22 is provided with an inclined surface 23, and the inclined surface 23 is tightly connected to one side surface of the conical surface 16. By setting the semicircular hole, it can be clamped and positioned, and the inclined surface is set by the tightening block, which can be tightened and positioned to ensure the stability of the clamping installation and facilitate combined use. By tightening the conical surface 16 with the inclined surface 23 of the tightening block 22, the two docking rings 14 can be squeezed and tightened to ensure the stability of the compressed connection, and the tightness of the sealing positioning can be guaranteed after the semicircular clamp 17 is tightened, which is conducive to installation and use.
[0027] See also Figure 3 and Figure 4 , one side of the connecting block 18 is fixedly connected with a hexagonal tube 24, the hexagonal tube 24 is located at one end of the positioning hole 19, and a positioning nut 25 is clamped inside the hexagonal tube 24, and the positioning nut 25 is threadedly installed on one end surface of the positioning bolt 2. The positioning nut 25 is located on one side of the connecting block 18. The positioning nut is connected by the hexagonal tube, and the positioning bolt can be combined for threaded installation, which is convenient for tightening and fixing, and is beneficial to the stability of the clamping installation. The positioning bolt 2 is threadedly installed into the inside of the positioning nut 25, and can be threadedly connected for positioning. Combined with the tightening block 22, the semicircular clamps 17 on both sides can be tightened, and can be clamped and installed, which is convenient, efficient, safe and stable.
[0028] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solution and its improved concepts shall be covered by the scope of protection of the present invention.
Claims
1. A sanitary clamp butterfly valve, comprising a valve body (1), a control seat (11) fixedly mounted on one side of the valve body (1), and connecting pipes (12) fixedly connected to both ends of the valve body (1), characterized in that: One end of the connecting pipe (12) is butt-jointed with a pipe (13), and the ends of the connecting pipe (12) and the pipe (13) are both provided with a butt-jointing ring (14), and the butt-jointing rings (14) are pressed against each other and aligned, and a sealing ring (15) is fixedly connected to one side surface of the butt-jointing ring (14), and the sealing ring (15) is tightly connected to one side surface of the butt-jointing ring (14), and a conical surface (16) is provided on the other side surface of the butt-jointing ring (14), and a semicircular clamp (17) is fixedly sleeved on the outer surfaces of the connecting pipe (12) and the pipe (13), and both ends of the semicircular clamp (17) are fixedly connected to a connecting block (18), and one end of the connecting block (18) is provided with a positioning hole (19), and a positioning bolt (2) is rotatably installed inside the positioning hole (19), and the positioning bolt (2) is rotatably installed on one end of the connecting block (18), and the positioning bolt (2) is symmetrically distributed on both sides of the connecting pipe (12).
2. The sanitary clamp butterfly valve according to claim 1, characterized in that: A semicircular hole (21) is provided on one side of the semicircular clamp (17), and the semicircular hole (21) is clamped to one end surface of the connecting pipe (12).
3. The sanitary clamp butterfly valve according to claim 1, characterized in that: A tightening block (22) is fixedly connected to the inner surface of the semicircular clamp (17), and the tightening blocks (22) are distributed at equal angles inside the semicircular clamp (17).
4. The sanitary clamp butterfly valve according to claim 3, characterized in that: One end of the tightening block (22) is provided with an inclined surface (23), and the inclined surface (23) is tightly connected to a side surface of the conical surface (16).
5. The sanitary clamp butterfly valve according to claim 1, characterized in that: A hexagonal tube (24) is fixedly connected to one side of the connecting block (18), and the hexagonal tube (24) is located at one end of the positioning hole (19).
6. The sanitary clamp butterfly valve according to claim 5, characterized in that: A positioning nut (25) is clamped inside the hexagonal cylinder (24), and the positioning nut (25) is threadedly mounted on one end surface of the positioning bolt (2).
7. The sanitary clamp butterfly valve according to claim 6, characterized in that: The positioning nut (25) is located on one side of the connecting block (18).
Citation Information
Patent Citations
Sanitary butterfly valve
CN210461719U