Sanitary hoop ball valve

Abstract

The utility model discloses a sanitary hoop ball valve, which belongs to the technical field of ball valves and is characterized in that two ends of a ball valve body are provided with connecting flanges, the surface of the ball valve body is provided with a valve rod connecting part, the inner wall of the valve rod connecting part is rotatably connected with a valve rod, one end of the valve rod is provided with a valve core, and the other end of the valve rod is provided with a clamping block; according to the sanitary hoop ball valve, through the arrangement of the guide sleeve, the control sleeve, the spring, the clamping sleeve and the clamping block, the valve rod can be controlled to rotate conveniently, a downward pressing action is needed when the valve rod is controlled to rotate, and therefore the valve rod is not prone to falling off when the valve rod is not prone to falling off. In addition, the ball valve assembly is very convenient to connect and assemble with the valve rod through the anti-falling ring arranged on the guide sleeve and the limiting ring arranged on the control sleeve, and the assembling and disassembling efficiency of the valve rod assembly is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, and more specifically, to a sanitary clamp ball valve. Background Art

[0002] The clamp ball valve mainly consists of three parts: a sealing rubber ring, a clamp and a locking bolt. With the development of society, there are various types of clamp ball valves, including sanitary clamp ball valves, etc. However, common clamp ball valves are prone to accidental rotation of the valve stem during use, which may cause the ball valve to open or close accidentally, reducing the safety of use. In addition, the disassembly and assembly of the valve stem connection components are cumbersome and inconvenient, bringing inconvenience to later replacement and maintenance.

[0003] For example, a cleaning clamp ball valve disclosed in the patent publication No. CN202768922U includes a valve body. A valve cavity is provided in the valve body, and an inlet and an outlet communicating with the valve cavity are respectively provided on the valve body. It is characterized in that: sealing components are respectively provided at the connection parts of the valve cavity and the inlet or the outlet, and a spherical valve core is provided between the sealing components.

[0004] According to the above disclosed solution, the valve stem is connected and fastened to the positioning inner sleeve through a screw. The positioning inner sleeve is connected to the outer positioning sleeve through structures such as positioning holes, positioning protrusions and springs. Its connection structure is cumbersome and time-consuming, making the disassembly and assembly of the valve stem assembly relatively inconvenient. Moreover, during use, the valve stem is prone to rotate due to accidental rotation of the outer positioning sleeve, thereby controlling the accidental opening or closing of the ball valve. Summary of the Utility Model

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a sanitary clamp ball valve. Through the arranged guide sleeve, control sleeve, spring, collet and clamping block, the sanitary clamp ball valve not only facilitates the control of the rotation of the valve stem, but also requires a pressing action when controlling the rotation of the valve stem, so as to ensure that the valve stem will not be accidentally rotated to open or close the ball valve. Moreover, through the anti-detachment ring arranged on the guide sleeve and the limit ring arranged on the control sleeve, the connection and assembly with the valve stem are very convenient, greatly improving the disassembly and assembly efficiency of the valve stem assembly.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A sanitary clamp ball valve includes a ball valve body. Connecting flanges are provided at both ends of the ball valve body. A valve stem connecting part is provided on the surface of the ball valve body. A valve stem is rotatably connected to the inner wall of the valve stem connecting part. A valve core is provided at one end of the valve stem, and a clamping block is provided at the other end of the valve stem. A guide sleeve is threadedly connected to the end face of the valve stem connecting part. A flanging is provided at one end of the guide sleeve, and an anti-disengagement ring is fixedly sleeved on the outside of the flanging. A control sleeve is slidably sleeved on the surface of the guide sleeve. A knob is fixedly sleeved at one end of the control sleeve, and a receiving groove is provided at the other end of the control sleeve. A limiting ring is fixedly connected to the inner wall of the opening of the receiving groove. A connecting column is fixedly connected to the bottom of the receiving groove. A spring is sleeved on the outside of the connecting column. One end of the connecting column is fixedly connected to a connecting rod, and a clamping sleeve is provided at one end of the connecting rod. This sanitary clamp ball valve, through the arranged guide sleeve, control sleeve, spring, clamping sleeve and clamping block, not only facilitates the rotation of the valve stem, but also requires a pressing action when controlling the rotation of the valve stem, so as to ensure that the valve stem will not be accidentally rotated to open or close the ball valve. And through the anti-disengagement ring arranged on the guide sleeve and the limiting ring arranged on the control sleeve, the connection and assembly with the valve stem are very convenient, greatly improving the disassembly and assembly efficiency of the valve stem assembly.

[0008] Further, a connecting groove is provided on the end face of the valve stem connecting part, internal threads are provided on the inner wall of the connecting groove, external threads are provided on the surface of one end of the guide sleeve, and an anti-slip plate is fixedly sleeved on the surface of the guide sleeve, which is convenient for the user to manually rotate and disassemble the guide sleeve.

[0009] Further, a guide hole axially penetrating is provided at one end of the guide sleeve, both the clamping block and the clamping sleeve are located in the guide hole, and a clamping groove is provided at one end of the clamping sleeve, which is convenient for positioning the clamping block and the clamping sleeve.

[0010] Further, the spring is made of stainless steel material. One end of the spring is in contact and extrusion with the bottom of the receiving groove, and the other end of the spring is in contact and extrusion with the end face of the guide sleeve. The spring makes the clamping sleeve and the clamping block automatically separate through elastic force.

[0011] Further, both the anti-disengagement ring and the limiting ring are circular rings, and both the anti-disengagement ring and the limiting ring are made of elastic and extrusion-resistant rubber. The anti-disengagement ring and the limiting ring have the function of limiting, and are also convenient for the disassembly and combination between the guide sleeve and the control sleeve.

[0012] Further, the cross-sectional shape of the clamping groove is polygonal, and the cross-sectional shape of the clamping block is the same as that of the clamping groove, which is convenient for rotating the control sleeve after the clamping block and the clamping sleeve and then controlling the rotation of the valve stem.

[0013] Further, annular and equally spaced anti-slip strips are provided on the outside of the knob, which can prevent the hand from slipping.

[0014] Compared with the prior art, the advantages of the present utility model are:

[0015] (1) By providing a guide sleeve, a control sleeve, a spring, a ferrule and a clamping block, this solution not only facilitates the rotation of the control valve rod, but also requires a downward pressing action when the control valve rod rotates, thus ensuring that the valve rod will not be accidentally rotated to open or close the ball valve.

[0016] (2) Through the anti - detachment ring provided by the guide sleeve and the limit ring provided by the control sleeve in this solution, the connection and assembly with the valve rod are very convenient, greatly improving the assembly and disassembly efficiency of the valve rod assembly. Description of the Drawings

[0017] Figure 1 is the three - dimensional view of the overall structure of the present utility model;

[0018] Figure 2 is the cross - sectional view of the installation structure of the control sleeve and the guide sleeve of the present utility model;

[0019] Figure 3 is Figure 2 the enlarged view of part A of

[0020] Figure 4 is Figure 2 the bottom view of the ferrule structure of

[0021] Explanation of the Reference Numerals in the Drawings:

[0022] 1 ball valve body, 11 valve rod connection part, 12 valve rod, 13 clamping block, 14 connecting flange, 15 connecting groove, 2 guide sleeve, 21 guide hole, 22 anti - detachment ring, 23 anti - slip plate, 3 control sleeve, 31 receiving groove, 32 limit ring, 33 connecting column, 34 connecting rod, 35 ferrule, 36 card slot, 37 spring, 4 knob, 41 anti - slip strip. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4, A sanitary clamp ball valve, including a ball valve body 1, and a valve core connection component is also provided inside the ball valve body 1. The entire ball valve is made of sanitary-grade materials, which belongs to the prior art. Connection flanges 14 are provided at both ends of the ball valve body 1. A valve stem connection part 11 is provided on the surface of the ball valve body 1. A valve stem 12 is rotatably connected to the inner wall of the valve stem connection part 11. A sealing component is provided at the connection between the valve stem connection part 11 and the valve stem 12, ensuring the sealing performance of the connection. A valve core is provided at one end of the valve stem 12, and a block 13 is provided at the other end of the valve stem 12. A guide sleeve 2 is threadedly connected to the end face of the valve stem connection part 11. A flange is provided at one end of the guide sleeve 2, and an anti-drop ring 22 is fixedly sleeved on the outside of the flange. A control sleeve 3 is slidably sleeved on the surface of the guide sleeve 2. A knob 4 is fixedly sleeved at one end of the control sleeve 3. Anti-slip strips 41 are arranged in an annular and equally spaced manner on the outside of the knob 4, which can prevent the hand from slipping. A ball valve switch direction indication mark is provided on the end face of the knob 4. A receiving groove 31 is provided at the other end of the control sleeve 3. A limiting ring 32 is fixedly connected to the inner wall of the opening of the receiving groove 31. A connecting column 33 is fixedly connected to the bottom of the receiving groove 31. A spring 37 is sleeved on the outside of the connecting column 33. The elastic force of the spring 37 is small and will not cause the limiting ring 32 and the anti-drop ring 22 to be squeezed and deformed. One end of the connecting column 33 is fixedly connected to a connecting rod 34, and a clamping sleeve 35 is provided at one end of the connecting rod 34.

[0026] A connection groove 15 is provided on the end face of the valve stem connection part 11. Internal threads are provided on the inner wall of the connection groove 15. External threads are provided on the surface of one end of the guide sleeve 2. An anti-slip plate 23 is fixedly sleeved on the surface of the guide sleeve 2, facilitating the user to manually rotate and disassemble the guide sleeve 2. An axially penetrating guide hole 21 is provided at one end of the guide sleeve 2. Both the block 13 and the clamping sleeve 35 are located inside the guide hole 21. A clamping groove 36 is provided at one end of the clamping sleeve 35, facilitating the positioning of the block 13 and the clamping sleeve 35. The cross-sectional shape of the clamping groove 36 is polygonal, and the cross-sectional shape of the block 13 is the same as that of the clamping groove 36, facilitating the rotation of the control sleeve 3 after the block 13 and the clamping sleeve 35 are engaged, and then controlling the rotation of the valve stem 12.

[0027] The spring 37 is made of stainless steel material. One end of the spring 37 is in contact and extrusion with the bottom of the receiving groove 31, and the other end of the spring 37 is in contact and extrusion with the end face of the guide sleeve 2. The spring 37 makes the clamping sleeve 35 and the block 13 automatically separate through its elastic force. Both the anti-drop ring 22 and the limiting ring 32 are circular rings. Both the anti-drop ring 22 and the limiting ring 32 are made of elastic and extrusion-resistant rubber. The anti-drop ring 22 and the limiting ring 32 have the function of limiting, and are also convenient for the disassembly and combination between the guide sleeve 2 and the control sleeve 3.

[0028] When assembling the sanitary clamp ball valve, first screw the end of the guide sleeve 2 and the connecting groove 15 clockwise, and then put the control sleeve 3 down on one end of the guide sleeve 2. When the control sleeve 3 is pressed down, the limit ring 32 and the anti-disengagement ring 22 are mutually pressed and deformed, so that the anti-disengagement ring 22 enters the receiving groove 31 to complete the connection. When the control valve stem 12 rotates, manually press the control sleeve 3 downwards to compress the spring 37 to generate elastic force. At the same time, the ferrule 35 moves downwards so that the card slot 36 is clamped with the card block 13, and then rotate the control sleeve 3 to drive the valve stem 12 to rotate to control the opening or closing of the ball valve. After the ball valve is opened or closed, release the control sleeve 3 by hand. At this time, the elastic force of the spring 37 separates the ferrule 35 and the card block 13. When the control sleeve 3 rotates accidentally, it will not drive the valve stem 12 to rotate. By setting the guide sleeve 2, the control sleeve 3, the spring 37, the ferrule 35 and the card block 13, it is not only convenient to control the rotation of the valve stem 12, but also a downward pressing action is required when the valve stem 12 rotates, so as to ensure that the valve stem 12 will not be accidentally rotated to open or close the ball valve. And through the anti-disengagement ring 22 provided on the guide sleeve 2 and the limit ring 32 provided on the control sleeve 3, the connection and assembly with the valve stem 12 are very convenient, greatly improving the disassembly and assembly efficiency of the valve stem assembly.

[0029] The above is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A sanitary clamp ball valve, comprising a ball valve body (1), both ends of the ball valve body (1) are provided with connecting flanges (14), a surface of the ball valve body (1) is provided with a valve stem connecting portion (11), an inner wall of the valve stem connecting portion (11) is rotatably connected with a valve stem (12), one end of the valve stem (12) is provided with a valve core, characterized in that: The other end of the valve stem (12) is provided with a clamping block (13); the end surface of the valve stem connecting portion (11) is connected to a guide sleeve (2) through a thread; one end of the guide sleeve (2) is provided with a folded edge, and the outer side of the folded edge is fixedly sleeved with an anti-slip ring (22); the surface of the guide sleeve (2) is slidably sleeved with a control sleeve (3); one end of the control sleeve (3) is fixedly sleeved with a knob (4); the other end of the control sleeve (3) is provided with a receiving groove (31); the inner wall of the opening of the receiving groove (31) is fixedly connected to a limiting ring (32); the bottom of the receiving groove (31) is fixedly connected to a connecting column (33); the outer side of the connecting column (33) is sleeved with a spring (37); one end of the connecting column (33) is fixedly connected to a connecting rod (34); one end of the connecting rod (34) is provided with a clamping sleeve (35).

2. A sanitary clamp ball valve according to claim 1, characterized in that: The end surface of the valve stem connecting portion (11) is provided with a connecting groove (15), the inner wall of the connecting groove (15) is provided with an internal thread, one end surface of the guide sleeve (2) is provided with an external thread, and the surface of the guide sleeve (2) is fixedly sleeved with an anti-skid plate (23).

3. The sanitary clamp ball valve according to claim 1, characterized in that: One end of the guide sleeve (2) is provided with a guide hole (21) penetrating axially, the clamping block (13) and the clamping sleeve (35) are both located in the guide hole (21), and one end of the clamping sleeve (35) is provided with a clamping groove (36).

4. The sanitary clamp ball valve according to claim 1, characterized in that: The spring (37) is made of stainless steel, one end of the spring (37) is in contact with and pressed against the bottom of the receiving groove (31), and the other end of the spring (37) is in contact with and pressed against the end surface of the guide sleeve (2).

5. The sanitary clamp ball valve according to claim 1, characterized in that: The anti-slip ring (22) and the limiting ring (32) are both in the shape of a circular ring, and are both made of elastic, extrusion-resistant rubber.

6. The sanitary clamp ball valve according to claim 3, characterized in that: The cross-sectional shape of the clamping slot (36) is a polygon, and the cross-sectional shape of the clamping block (13) is the same as the cross-sectional shape of the clamping slot (36).

7. The sanitary clamp ball valve according to claim 1, characterized in that: The outer side of the knob (4) is provided with annular anti-slip strips (41) distributed at equal intervals.

Images