Novel handle butt clamp butterfly valve
By designing a limit rod, limit groove, pull rod, support block, and spring, the problems of handle wear and corrosion are solved, enabling convenient replacement of the handle and stable operation of the valve body, and enhancing sealing performance.
Patent Information
- Application Number
- CN202520151765.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing new handle-operated wafer butterfly valves are prone to wear and corrosion of the handle clips during use, and the replacement process is cumbersome, affecting the normal operation of the valve.
The design incorporates a limit rod, limit groove, pull rod, support block, spring, and limit hole structure to facilitate easy replacement of the handle clamp, and improves the stability of valve body opening and closing through a fixed plate and scale block.
It facilitates the replacement of the handle clamp, improves the stability of valve opening and closing, and enhances the sealing between the valve body and the pipeline.
Smart Images
Figure CN223725434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve technical field, concretely relates to a novel handle pair of clamping butterfly valve. BACKGROUND
[0002] The handle butterfly valve is used for chemical industry, petrochemical industry and smelting, and has simple structure, small size and light weight, is composed of only a few parts, and can be quickly opened and closed by rotating 90 degrees, so that operation is simple, the valve has good fluid control characteristics, when the butterfly valve is in the completely open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so that the pressure drop generated by the valve is very small, and the valve has good flow control characteristics.
[0003] However, the existing novel handle pair of clamping butterfly valve is usually fastened by a screw to fix the handle clamp on the valve shaft of the valve body, and the handle clamp is pressed and rotated to achieve the purpose of opening and closing the valve, the handle clamp is prone to wear after long-term pressing and rotating, and the handle clamp is prone to corrosion after long-term exposure to a humid or corrosive environment, so the handle clamp needs to be replaced in time, however, when the handle clamp is replaced, the handle clamp needs to be removed by using a tool to disassemble the fastening screw on the handle clamp, so that the operation steps are complicated, and the normal use of the valve is affected, and thus a novel handle pair of clamping butterfly valve is provided. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a main purpose at providing a kind of novel handle pair of clamping butterfly valve, the utility model is limited by the rod, limit slot, pull rod, branch, spring and limit hole being set, solve the problem that existing novel handle pair of clamping butterfly valve is inconvenient to replace handle clamp on valve body when using.
[0005] The utility model discloses a main purpose at providing a kind of novel handle pair of clamping butterfly valve, the utility model is limited by the rod, limit slot, pull rod, branch, spring and limit hole being set, solve the problem that existing novel handle pair of clamping butterfly valve is inconvenient to replace handle clamp on valve body when using.
[0006] When the handle clamp on the valve body is damaged, the pull rod on the handle clamp is pulled, then the support block in the handle clamp is moved, then the spring on one side of the support block is pressed, then the limit rod is moved out of the limit hole on the surface of the valve shaft, then the handle clamp is pulled upwards, so that the handle clamp is separated from the valve shaft, then a new handle clamp is taken, then the pull rod on the new handle clamp is pulled, then the spring in the handle clamp is compressed, then the limit rod is moved, then the handle clamp is sleeved on the valve shaft, then the spring drives the support block to reset, so that the limit rod on the support block enters the limit hole on the surface of the valve shaft, then the end of the limit rod away from the support block enters the limit slot in the handle clamp, so that the handle clamp is fixed on the outside of the valve shaft, thereby facilitating the replacement of the handle clamp on the valve body.
[0007] When the valve body is to be opened, the movable clamp below the handle clamp is pressed, then the positioning block is moved out of the fixed hole on the surface of the fixed disc, then the handle clamp drives the valve shaft in the valve body to rotate, after the valve body is adjusted, the positioning block on the movable clamp enters the fixed hole on the fixed disc, so that the positioning block is fixed, improving the stability of the opening and closing of the valve body, and the fixed disc is provided with a scale block outside, which can accurately control the opening and closing degree of the valve body.
[0008] Specifically, the flange disc connected with the pipeline is integrally formed on the outside of the valve body.
[0009] By adopting the above technical scheme, when the valve body is connected with the pipeline, the flange disc outside the valve body is in contact with the pipeline, thereby facilitating the connection of the valve body with the pipeline.
[0010] Specifically, the rubber ring increasing the sealing property between the flange disc and the pipeline is fixed on the inner side of the flange disc.
[0011] By adopting the above technical scheme, when the flange disc on the valve body is connected with the pipeline, the rubber ring on the flange disc is in close contact with the pipeline, thereby increasing the sealing property between the valve body and the pipeline.
[0012] Specifically, the convex particle sleeve increasing the external friction of the pull rod is bonded on the outside of the pull rod.
[0013] By adopting the above technical scheme, when the pull rod is to be pulled to move, the convex particle sleeve on the outside of the pull rod increases the friction on the surface of the pull rod, avoiding sliding when the pull rod is pulled.
[0014] Specifically, the sliding grooves are symmetrically formed on the inner side of the handle clamp, and the sliding blocks connected with the support block are slidably connected to the inner side of the sliding grooves.
[0015] By adopting the above technical scheme, when the support block moves in the handle clamp, the sliding blocks symmetrically welded on the outside of the support block slide in the symmetrically formed sliding grooves in the handle clamp, thereby improving the stability of the movement of the support block in the handle clamp.
[0016] The utility model discloses a beneficial effect:
[0017] (1) a kind of novel handle pair of clamps butterfly valve described in the utility model, when the handle pair of clamps on valve body occurs damage, pull the pull rod on handle pair of clamps, then pull rod drives the support block in handle pair of clamps to move, then the spring of support block side is pressed, then support block drives limit rod to move out from the limit hole on the surface of valve shaft, then pull upward handle pair of clamps, so that handle pair of clamps is separated from valve shaft, then new handle pair of clamps is taken, then pull the pull rod on new handle pair of clamps, then pull rod drives support block side, the spring in handle pair of clamps is compressed, then support block drives limit rod to move, then handle pair of clamps is sleeved on valve shaft, then the spring drives support block reset, so that the limit rod on support block enters the limit hole on the surface of valve shaft, then the end of limit rod away from support block enters the limit slot in handle pair of clamps, so that handle pair of clamps is fixed on the outside of valve shaft, to facilitate the replacement of handle pair of clamps on valve body.
[0018] (2) a kind of novel handle pair of clamps butterfly valve described in the utility model, when valve body is opened, press the movable clamp under handle pair of clamps, then movable clamp drives locating block to move out from the fixed hole on the surface of fixed disc, then handle pair of clamps drives the valve shaft in valve body to rotate, after valve body adjustment is finished, the locating block on movable clamp enters the fixed hole on fixed disc, so that locating block is fixed, improve the stability of valve body opening and closing, while fixed disc is provided with scale block outside, can accurately control the opening and closing degree of valve body. DRAWINGS
[0019] The utility model is further described below in connection with the drawings and examples.
[0020] Figure 1 It is overall structure schematic diagram of a kind of novel handle pair of clamps butterfly valve of the utility model;
[0021] Figure 2 It is local structure A schematic diagram of a kind of novel handle pair of clamps butterfly valve of the utility model;
[0022] Figure 3 It is the handle pair of clamps local internal structure schematic diagram of a kind of novel handle pair of clamps butterfly valve of the utility model;
[0023] Figure 4 It is the valve shaft local structure structure schematic diagram of a kind of novel handle pair of clamps butterfly valve of the utility model;
[0024] In the drawing: 1, handle pair of clamps;2, movable clamp;3, valve body;4, fixed disc;5, flange plate;6, valve shaft;7, scale block;8, pull rod;9, locating block;10, fixed hole;11, sliding block;12, support block;13, limit slot;14, limit rod;15, rubber ring;16, sliding slot;17, spring;18, limit hole;19, convex particle cover. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0026] In order to replace the handle clamp 1 on the valve body 3, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the utility model discloses a novel handle clamp butterfly valve, which comprises a valve body 3, a handle clamp 1 and a valve shaft 6, the inner side of the handle clamp 1 is rotationally connected with a movable clamp 2, and the outer side of the movable clamp 2 is welded with a positioning block 9, the outer side of the valve body 3 is sleeved with a fixed disc 4, the surface of the fixed disc 4 is provided with a plurality of fixed holes 10 for fixing the positioning block 9, and the surface of the fixed disc 4 is screw-fixed with a scale block 7 for grasping the opening angle of the valve body 3, the outer side of the handle clamp 1 is slidably connected with a pull rod 8, and the side of the pull rod 8 is welded with a supporting block 12, the outer side of the supporting block 12 is welded with a spring 17, and the end of the spring 17 away from the supporting block 12 is welded with a limiting rod 14 for fixing the valve shaft 6, the surface of the valve shaft 6 is provided with a limiting hole 18 for enabling the limiting rod 14 to enter the valve shaft 6, and the inner side of the handle clamp 1 is provided with a limiting groove 13 for fixing the limiting rod 14.
[0027] In use, when the handle clamp 1 on the valve body 3 is damaged, the pull rod 8 on the handle clamp 1 is pulled, then the supporting block 12 in the handle clamp 1 is moved by the pull rod 8, then the spring 17 on the side of the supporting block 12 is pressed, then the limiting rod 14 is moved out of the limiting hole 18 on the surface of the valve shaft 6 by the supporting block 12, then the handle clamp 1 is pulled upwards, so that the handle clamp 1 is separated from the valve shaft 6, then a new handle clamp 1 is taken, then the pull rod 8 on the new handle clamp 1 is pulled, then the spring 17 in the handle clamp 1 is compressed by the pull rod 8 and the side of the supporting block 12, then the limiting rod 14 is moved by the supporting block 12, then the handle clamp 1 is sleeved on the valve shaft 6, then the supporting block 12 is reset by the spring 17, so that the limiting rod 14 on the supporting block 12 enters the limiting hole 18 on the surface of the valve shaft 6, then the end of the limiting rod 14 away from the supporting block 12 enters the limiting groove 13 in the handle clamp 1, so that the handle clamp 1 is fixed on the outer side of the valve shaft 6, thereby facilitating the replacement of the handle clamp 1 on the valve body 3.
[0028] When the valve body 3 is to be opened, the movable clamp 2 below the handle clamp 1 is pressed, then the movable clamp 2 drives the positioning block 9 to move out of the fixing hole 10 on the surface of the fixed disc 4, then the handle clamp 1 drives the valve shaft 6 in the valve body 3 to rotate, after the valve body 3 is adjusted, the positioning block 9 on the movable clamp 2 enters the fixing hole 10 on the fixed disc 4, so that the positioning block 9 is fixed, the stability of opening and closing of the valve body 3 is improved, and meanwhile, the fixed disc 4 is externally provided with the scale block 7, so that the opening and closing degree of the valve body 3 can be accurately controlled.
[0029] In order to connect the valve body 3 with the pipeline, as shown in the example, Figure 1 the utility model also includes, the flange disc 5 that the valve body 3 outside is integrally formed with and is connected with the pipeline.
[0030] When the valve body 3 is connected with the pipeline in use, the flange disc 5 outside the valve body 3 contacts with the pipeline, so that the valve body 3 can be conveniently connected with the pipeline.
[0031] In order to increase the sealing property between the valve body 3 and the pipeline, as shown in the example, Figure 1 the utility model also includes, the rubber ring 15 that increases the sealing property between the flange disc 5 and the pipeline is fixed by screwing in the inside of the flange disc 5.
[0032] When the flange disc 5 on the valve body 3 is connected with the pipeline in use, the rubber ring 15 on the flange disc 5 is in close contact with the pipeline, so that the sealing property between the valve body 3 and the pipeline is increased.
[0033] In order to avoid sliding when pulling the pull rod 8, as shown in the example, Figure 2 the utility model also includes, the convex grain cover 19 that increases the external friction of the pull rod 8 is bonded on the outside of the pull rod 8.
[0034] When the pull rod 8 is to be pulled to move in use, the convex grain cover 19 on the outside of the pull rod 8 increases the friction of the surface of the pull rod 8, so that sliding when pulling the pull rod 8 is avoided.
[0035] In order to improve the stability of the support block 12 moving in the handle clamp 1, as shown in the example, Figure 3 the utility model also includes, the sliding groove 16 is symmetrically formed in the inside of the handle clamp 1, and the sliding block 11 connected with the support block 12 is slidably connected to the inside of the sliding groove 16.
[0036] When the support block 12 moves in the handle clamp 1 in use, the sliding block 11 symmetrically welded on the outside of the support block 12 respectively slides in the symmetrically formed sliding groove 16 in the handle clamp 1, so that the stability of the support block 12 moving in the handle clamp 1 is improved.
[0037] The utility model discloses a handle clamp 1 is separated from valve shaft 6, then the new handle clamp 1 is taken, then the pull rod 8 on the new handle clamp 1 is pulled, then the spring 17 in the handle clamp 1 on the one side of support block 12 is compressed, then support block 12 drives limit rod 14 to move, then handle clamp 1 is sleeved on valve shaft 6, then spring 17 drives support block 12 reset, makes the limit rod 14 on support block 12 one end away from support block 12 enters the limit slot 13 in handle clamp 1, makes handle clamp 1 fixed in valve shaft 6 outside, thereby convenient for the replacement of handle clamp 1 on valve body 3;
[0038] When valve body 3 is opened, press the movable clamp 2 below handle clamp 1, then movable clamp 2 drives the positioning block 9 from the fixed hole 10 on the surface of fixed disc 4 removal, then handle clamp 1 drives valve shaft 6 in valve body 3 rotation, after valve body 3 adjustment, the positioning block 9 on movable clamp 2 enters the fixed hole 10 on fixed disc 4, makes positioning block 9 fixed, improves the stability of valve body 3 opening and closing, and fixed disc 4 is provided with scale block 7 outside, can accurately control the opening and closing degree of valve body 3;
[0039] When valve body 3 is connected with pipeline, the flange plate 5 outside valve body 3 contacts with pipeline, thereby convenient for valve body 3 and pipeline connection;
[0040] When the flange plate 5 on valve body 3 is connected with pipeline, the rubber ring 15 on flange plate 5 is in close contact with pipeline, thereby increasing the sealing property between valve body 3 and pipeline;
[0041] When pull rod 8 moves, the convex grain cover 19 on pull rod 8 increases the friction force on the surface of pull rod 8, avoids the sliding when pull rod 8 is pulled;
[0042] When support block 12 moves in handle clamp 1, the slider 11 symmetrically welded on the outside of support block 12 respectively slides in the symmetrically set sliding groove 16 in handle clamp 1, thereby improving the stability of support block 12 moving in handle clamp 1.
[0043] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A new type of handle-to-jam butterfly valve, characterized in that, Including valve body (3), handle clamp (1) and valve shaft (6), the inside of handle clamp (1) is rotatably connected with movable clamp (2), and the outside of movable clamp (2) is welded with positioning block (9), the outside of valve body (3) is sleeved with fixed disc (4), the surface of fixed disc (4) is provided with fixed hole (10) for fixing positioning block (9), and the number of fixed hole (10) is several, the surface of fixed disc (4) is screw-fixed with scale block (7) for grasping opening angle of valve body (3), the outside of handle clamp (1) is slidably connected with pull rod (8), and pull rod (8) is welded with support block (12) on one side, the outside of support block (12) is welded with spring (17), and the end of spring (17) away from support block (12) is welded with limiting rod (14) for fixing valve shaft (6), the surface of valve shaft (6) is provided with limiting hole (18) for making limiting rod (14) enter valve shaft (6), the inside of handle clamp (1) is provided with limiting groove (13) for fixing limiting rod (14).
2. A new type of handle-to-jam butterfly valve according to claim 1, characterized in that, The outside of valve body (3) is integrally formed with flange plate (5) connected with pipeline.
3. A new type of handle-to-jam butterfly valve according to claim 2, characterized in that, The inside of flange plate (5) is screw-fixed with rubber ring (15) for increasing the sealing property between flange plate (5) and pipeline.
4. A new type of handle-to-jam butterfly valve according to claim 1, characterized in that, The outside of pull rod (8) is bonded with convex particle sleeve (19) for increasing the external friction of pull rod (8).
5. A new type of handle-to-jam butterfly valve according to claim 1, characterized in that, The inside of handle clamp (1) is symmetrically provided with sliding groove (16), and the inside of sliding groove (16) is slidably connected with sliding block (11) connected with support block (12).