Butterfly valve capable of preventing mistaken touch
By setting the fixing sleeve and movable sleeve on the outside of the operating plate of the butterfly valve and combining the design of the spring and limit block, the problem of the butterfly valve operating plate is easily touched and the stability of the sealing ring is ensured.
Patent Information
- Application Number
- CN202421490741.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The operating plate of the existing butterfly valve is exposed and is easily rotated by mistaken external contact, resulting in accidental contact problems.
The mutual cooperation between the fixed sleeve and the movable sleeve is provided on the outside of the operating plate, and the shading protection of the operating plate is achieved through the elastic force of the spring, and the sealing ring is assisted by the setting of bumps and limiting blocks.
Effectively prevent the butterfly valve from accidentally touching, and ensure the stability of the sealing ring to avoid loosening and falling off.
Smart Images
Figure CN222650691U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve capable of preventing accidental touching. Background Art
[0002] The butterfly valve, also known as the flap valve, is a simple regulating valve. The closing part of the butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or regulating. The butterfly valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The butterfly valve mainly plays a cutting and throttling role in the pipeline.
[0003] At present, butterfly valves on the market are all opened and closed by operating disks when in use. The operating disks on existing butterfly valves are directly exposed to the outside. The exposed operating disks are easily rotated by accidental touch from the outside. Therefore, we propose a butterfly valve that can prevent accidental touch. Utility Model Content
[0004] The utility model aims to provide a butterfly valve which can prevent accidental touch, so as to solve the problems raised by the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a butterfly valve that can prevent accidental touch, comprising a butterfly valve body, a valve plate and an operating disk, a driving seat is arranged above the butterfly valve body, and a valve stem that passes through the middle part of the butterfly valve body is connected to the bottom of the driving seat, the valve stem is sleeved with a valve plate installed inside the butterfly valve body close to the inner part, an operating disk is installed on one side of the driving seat, a fixed sleeve connected to the driving seat is sleeved on the outer side of the operating disk, and a movable sleeve is sleeved on the outer side of the fixed sleeve, a limiting hole is provided on the surface edge of the movable sleeve, and a connecting block is connected to the inner wall of the movable sleeve, and a movable groove is provided on the surface of the fixed sleeve.
[0006] Preferably, the connecting block is butt-jointedly inserted in the movable groove, a guide rod passes through the middle of the connecting block, and a first spring is sleeved on the outer side of the guide rod.
[0007] Preferably, two ends of the first spring are respectively connected to the movable groove and the connecting block, a side edge of the fixing sleeve close to the driving seat is connected to the limiting seat, and a limiting pin passes through the outer side of the limiting seat.
[0008] Preferably, a second spring is sleeved on the middle portion of the limiting pin.
[0009] Preferably, a sealing ring is provided on the inner side of the butterfly valve body, and a groove is provided on the outer wall of the sealing ring.
[0010] Preferably, a limiting groove is provided on the inner side of the sealing ring close to the groove, a convex block is connected to the inner wall of the butterfly valve body, and a limiting block is provided on the surface of the convex block.
[0011] Preferably, the limiting block is butted against the inside of the limiting groove, and the protrusion is butted against the inside of the groove.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the butterfly valve that can prevent accidental touching can shield and protect the operating panel by arranging a fixed sleeve and a movable sleeve on the outside of the operating panel to cooperate with each other, thereby preventing the butterfly valve from being accidentally touched. Through the arrangement of the protrusion and the limit block, the sealing ring can be auxiliary limited, so that the sealing ring on the butterfly valve is not easy to loosen and fall off.
[0013] 1. For the butterfly valve that can prevent accidental touch, when the operating disk needs to be rotated, the limit pin is first pulled outward to the limit position, and then the movable sleeve is pushed to the side close to the fixed sleeve to the limit position, and then the pulled limit pin is loosened. The loosened limit pin can automatically reset inward and plug into the limit hole through the elastic force of the second spring. At this time, the operating disk is exposed to the outside and can be rotated. After the rotation is completed, the limit pin is pulled outward to the limit position again. At this time, the movable sleeve that is not limited can automatically reset outward to the initial position through the elastic force of the first spring. By arranging the fixed sleeve and the movable sleeve on the outside of the operating disk to cooperate with each other, the operating disk can be shielded and protected, thereby preventing the butterfly valve from being accidentally touched;
[0014] 2. The butterfly valve that can prevent accidental touch first squeezes the edge of the sealing ring to produce deformation, then the sealing ring is aligned with the inside of the butterfly valve body, and then the squeezed sealing ring is loosened. At this time, the groove on the surface of the sealing ring that is reset and fits on the inner side of the butterfly valve body corresponds to the convex block, and the limit block is docked in the inside of the limit groove. Through the setting of the convex block and the limit block, the sealing ring can be auxiliary limited, so that the sealing ring on the butterfly valve is not easy to loosen and fall off. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the movable sleeve and the fixed sleeve of the utility model;
[0017] Figure 3 This is a schematic diagram of the main cutaway structure of the movable sleeve of the utility model;
[0018] Figure 4 This is a schematic diagram of the front cutaway structure of the sealing ring of the utility model.
[0019] In the figure: 1. Butterfly valve body; 2. Drive seat; 3. Valve stem; 4. Valve plate; 5. Operating panel; 6. Fixed sleeve; 7. Movable sleeve; 8. Limit hole; 9. Connecting block; 10. Movable groove; 11. Guide rod; 12. First spring; 13. Limit seat; 14. Limit pin; 15. Second spring; 16. Sealing ring; 17. Groove; 18. Limit groove; 19. Protrusion; 20. Limit block. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a butterfly valve that can prevent accidental touch, including a butterfly valve body 1, a valve plate 4 and an operating disk 5. A driving seat 2 is arranged above the butterfly valve body 1, and a valve stem 3 that runs through the middle of the butterfly valve body 1 is connected to the lower part of the driving seat 2. The valve stem 3 is sleeved with a valve plate 4 inside the butterfly valve body 1, and an operating disk 5 is installed on one side of the driving seat 2. A fixed sleeve 6 connected to the driving seat 2 is sleeved on the outer side of the operating disk 5, and a movable sleeve 7 is sleeved on the outer side of the fixed sleeve 6. A limiting hole 8 is provided on the surface edge of the movable sleeve 7, and a connecting block 9 is connected to the inner wall of the movable sleeve 7, and a movable groove 10 is provided on the surface of the fixed sleeve 6.
[0022] The connecting block 9 is docked and inserted into the movable groove 10, a guide rod 11 passes through the middle of the connecting block 9, and a first spring 12 is sleeved on the outer side of the guide rod 11; the two ends of the first spring 12 are docked with the movable groove 10 and the connecting block 9 respectively, the edge of the fixed sleeve 6 on one side close to the driving seat 2 is connected to the limiting seat 13, and the outer side of the limiting seat 13 passes through the limiting pin 14; the middle part of the limiting pin 14 is sleeved with a second spring 15, and the limiting pin 14 forms a telescopic structure with the limiting seat 13 through the second spring 15, and the connecting block 9 forms a telescopic structure with the movable groove 10 through the first spring 12, and the connecting blocks 9 are distributed at equal angles.
[0023] During specific implementation, the movable sleeve 7 and the fixed sleeve 6 are misaligned in the initial state. At this time, the movable sleeve 7 corresponds to the outside of the operating disk 5. When the operating disk 5 needs to be rotated, the limit pin 14 is first pulled outward to the extreme position, and the pulled limit pin 14 squeezes the second spring 15 on the outside, and then the movable sleeve 7 is pushed to the side close to the fixed sleeve 6. The pushed movable sleeve 7 moves stably inside the movable groove 10 along the guide rod 11 through the connecting block 9 on the inner wall, and squeezes the first spring 12 arranged on the outside of the guide rod 11 through the moving connecting block 9 until the movable sleeve 7 is pushed to the extreme position. At this time, the edge of the movable sleeve 7 corresponds to the inside of the limit seat 13, and then The pulled limit pin 14 is loosened, and the loosened limit pin 14 can automatically reset inward by the elastic force of the second spring 15, so that the limit pin 14 is plugged into the limit hole 8. At this time, the movable sleeve 7 and the fixed sleeve 6 coincide with each other, and the operating panel 5 is exposed to the outside, so that it can be rotated. After the rotation is completed, the limit pin 14 is pulled outward to the extreme position again, so that the limit pin 14 is separated from the limit hole 8. At this time, the movable sleeve 7 that is not restricted can automatically reset outward to the initial position by the elastic force of the first spring 12. By arranging the fixed sleeve 6 and the movable sleeve 7 on the outside of the operating panel 5 to cooperate with each other, the operating panel 5 can be shielded and protected, thereby preventing the butterfly valve from being accidentally touched.
[0024] See also Figure 1 and Figure 4 A sealing ring 16 is arranged on the inner side of the butterfly valve body 1, and a groove 17 is arranged on the outer wall of the sealing ring 16; a limiting groove 18 is arranged on the inner side of the sealing ring 16 close to the groove 17, a protrusion 19 is connected to the inner wall of the butterfly valve body 1, and a limiting block 20 is arranged on the surface of the protrusion 19; the limiting block 20 is docked inside the limiting groove 18, and the protrusion 19 is docked inside the groove 17, the cross-sectional size of the limiting block 20 matches the cross-sectional size of the limiting groove 18, the cross-sectional size of the protrusion 19 matches the cross-sectional size of the groove 17, and the limiting blocks 20 are distributed at equal angles.
[0025] During the specific implementation, the edge of the sealing ring 16 is first squeezed, and the sealing ring 16 made of rubber material will be deformed due to the squeezing. Then the sealing ring 16 is placed in the interior of the butterfly valve body 1, and the groove 17 and the protrusion 19 on the sealing ring 16 are made to correspond. Then the squeezed sealing ring 16 is loosened to restore the sealing ring 16 to its initial shape. At this time, the groove 17 on the surface of the sealing ring 16 that is reset and fits on the inner side of the butterfly valve body 1 corresponds to the protrusion 19, and the limit block 20 is docked in the interior of the limit groove 18. Through the setting of the protrusion 19 and the limit block 20, the sealing ring 16 can be auxiliary limited, so that the sealing ring 16 on the butterfly valve is not easy to loosen and fall off.
[0026] To sum up, when using the butterfly valve that can prevent accidental touch, the butterfly valve body 1 is first moved to the designated working area, and then the butterfly valve body 1 is docked and assembled with the designated installation area. The staff drives the valve stem 3 to rotate synchronously by turning the operating disk 5, and the valve plate 4 rotates synchronously under the action of the valve stem 3, thereby realizing the opening and closing of the butterfly valve. This is the prior art and will not be elaborated here. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.
[0027] 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 butterfly valve capable of preventing accidental touch, comprising a butterfly valve body (1), a valve plate (4) and an operating disk (5), characterized in that: A driving seat (2) is arranged above the butterfly valve body (1), and a valve stem (3) penetrating the middle part of the butterfly valve body (1) is connected below the driving seat (2); a valve plate (4) is installed in a sleeve of the valve stem (3) close to the inner part of the butterfly valve body (1); an operating panel (5) is installed on one side of the driving seat (2); a fixed sleeve (6) connected to the driving seat (2) is sleeved on the outer side of the operating panel (5); a movable sleeve (7) is sleeved on the outer side of the fixed sleeve (6); a limiting hole (8) is provided on the surface edge of the movable sleeve (7); a connecting block (9) is connected to the inner wall of the movable sleeve (7); and a movable groove (10) is provided on the surface of the fixed sleeve (6).
2. A butterfly valve capable of preventing accidental touch according to claim 1, characterized in that: The connecting block (9) is butt-plugged inside the movable groove (10), a guide rod (11) passes through the middle of the connecting block (9), and a first spring (12) is sleeved on the outer side of the guide rod (11).
3. A butterfly valve capable of preventing accidental touch according to claim 2, characterized in that: The two ends of the first spring (12) are respectively connected to the movable groove (10) and the connecting block (9); the edge of one side of the fixing sleeve (6) close to the driving seat (2) is connected to the limiting seat (13); and the outer side of the limiting seat (13) is penetrated by a limiting pin (14).
4. A butterfly valve capable of preventing accidental touch according to claim 3, characterized in that: A second spring (15) is sleeved on the middle part of the limiting pin (14).
5. The butterfly valve capable of preventing accidental touch according to claim 1, characterized in that: A sealing ring (16) is arranged on the inner side of the butterfly valve body (1), and a groove (17) is arranged on the outer wall of the sealing ring (16).
6. The butterfly valve capable of preventing accidental touch according to claim 5, characterized in that: The sealing ring (16) is provided with a limiting groove (18) on the inner side close to the groove (17); the inner wall of the butterfly valve body (1) is connected with a protrusion (19), and a limiting block (20) is provided on the surface of the protrusion (19).
7. The butterfly valve capable of preventing accidental touch according to claim 6, characterized in that: The limiting block (20) is butted against the inside of the limiting groove (18), and the protrusion (19) is butted against the inside of the groove (17).