Hydraulic butterfly valve
By introducing structures such as limit blocks and knobs into the hydraulic butterfly valve, the problem of the lack of limit structure of the butterfly valve shaft is solved, and the precise controllability of the valve plate rotation angle is achieved, which improves the controllability of the butterfly valve.
Patent Information
- Application Number
- CN202421167873.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing butterfly valve shaft lacks a limit structure, which makes it difficult to control the rotation angle of the valve plate.
A hydraulic butterfly valve is designed, adopting a limiting block, knob, bidirectional screw, clamping rod and compression spring structure. The rotating of the bidirectional screw is controlled through the knob. The clamping rod contacts the outer wall of the shaft, and the locking state of the shaft is achieved with the limiting table. , thereby controlling the opening and closing angle of the valve plate.
Accurate control of the rotation angle of the valve plate is achieved, ensuring that the position of the valve plate remains unchanged under the locked state, and improving the controllability of the butterfly valve.
Smart Images
Figure CN222334523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of butterfly valves, in particular to a hydraulic butterfly valve. Background Art
[0002] The butterfly valve, also known as the flap valve, is a simple regulating valve that can be used for the on-off control of low-pressure pipeline media. For example, it 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. In the butterfly valve, the closing part is the valve plate, which rotates around the valve axis to achieve opening and closing. It mainly plays a cutting and throttling role in the pipeline. That is to say, the butterfly valve opening and closing part is a disc-shaped part that rotates around its own axis in the valve body to achieve the purpose of opening, closing or regulation.
[0003] The current butterfly valve shaft lacks a certain limit structure, which causes the butterfly valve to sometimes be unable to control the rotation angle of the valve plate. Utility Model Content
[0004] The utility model aims to provide a hydraulic butterfly valve to solve the problem in the background art that the current butterfly valve shaft lacks a certain limit structure, which sometimes makes it difficult for the butterfly valve to control the rotation angle of the valve plate.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic butterfly valve, comprising a driving end, a turntable is rotatably provided on one side of the driving end, the bottom of the driving end is fixedly connected to a limiting block, a shaft is rotatably provided inside the limiting block, the top of the shaft is provided inside the driving end, the bottom of the shaft is fixedly connected to a valve plate, the bottom of the limiting block is fixedly connected to a valve body, and the valve plate is rotatably provided inside the valve body.
[0006] Furthermore, a knob is rotatably provided on the outer wall of the limit block, and symmetrically distributed limit rods are fixedly connected inside the limit block, and symmetrically distributed clamping rods are rotatably provided on the limit rods. A sliding bolt is slidably provided on one end of the clamping rod, and the sliding bolt is slidably provided in the inner wall of the limit block.
[0007] Furthermore, a control block is arranged in the limit block, one end of the knob is fixedly connected with a bidirectional screw, the clamping rod is sleeved on the bidirectional screw, a pressure plate is sleeved on the bidirectional screw, and a compression spring is arranged between the pressure plate and the clamping rod.
[0008] Furthermore, the top of the control block is fixedly connected to the limiting platform, the shaft rod is arranged in the limiting platform, and the end of the clamping rod is matched with the outer wall of the shaft rod.
[0009] Furthermore, a pressing block is sleeved on the bidirectional screw, and one end of the pressing block is matched with one side of the clamping rod.
[0010] Furthermore, the outer walls on both sides of the control block are provided with adapting grooves, and the adapting grooves are adapted to the pressing blocks.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the hydraulic butterfly valve is reasonable and has the following advantages:
[0012] (1) A knob is rotatably provided on the outer wall of the limit block, one end of the knob is fixedly connected to a bidirectional screw, the bidirectional screw is provided in the limit block, a control block is provided at the center of the limit block, the bidirectional screw is located in the control block, a clamping rod is rotatably provided on the bidirectional screw, one end of the clamping rod contacts the outer wall of the shaft rod, by rotating the knob, the knob controls the rotation of the bidirectional screw, and causes the pressure plate to squeeze the compression spring and causes the clamping rod to rotate through the limit rod, so that the end of the clamping rod contacts the outer wall of the shaft rod, and then cooperates with the setting of the limit table to keep the shaft rod in a locked state, so that the shaft rod controls the opening and closing angle of the valve plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0014] Figure 2 It is a side view of the overall structure of the utility model;
[0015] Figure 3 This is a front view of the internal section of the overall structure of the utility model;
[0016] Figure 4 This is a schematic diagram of the limiting structure of the utility model;
[0017] Figure 5 For this utility model Figure 4 A local enlarged schematic diagram is shown.
[0018] In the figure: 1. driving end; 2. turntable; 3. limit block; 4. valve body; 5. valve plate; 6. knob; 601. bidirectional screw; 602. pressure plate; 603. compression spring; 604. pressure block; 7. shaft rod; 8. limit rod; 9. clamping rod; 901. sliding bolt; 10. limit platform; 11. control block. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-5 , a technical solution provided by the utility model:
[0021] Embodiment: A hydraulic butterfly valve comprises a driving end 1, a rotating disk 2 is rotatably provided on one side of the driving end 1, a limit block 3 is fixedly connected to the bottom of the driving end 1, a shaft rod 7 is rotatably provided in the limit block 3, a top of the shaft rod 7 is provided in the driving end 1, a valve plate 5 is fixedly connected to the bottom of the shaft rod 7, a valve body 4 is fixedly connected to the bottom of the limit block 3, the valve plate 5 is rotatably provided in the valve body 4, a knob 6 is rotatably provided on the outer wall of the limit block 3, a limit rod 8 symmetrically distributed is fixedly connected in the limit block 3, a clamping rod 9 symmetrically distributed is rotatably provided on the limit rod 8, a sliding bolt 901 is slidably provided at one end of the clamping rod 9, and the sliding bolt 901 is slidably provided at A control block 11 is arranged inside the inner wall of the limit block 3, one end of the knob 6 is fixedly connected with a bidirectional screw 601, the clamping rod 9 is sleeved on the bidirectional screw 601, a pressure plate 602 is sleeved on the bidirectional screw 601, a compression spring 603 is arranged between the pressure plate 602 and the clamping rod 9, the top of the control block 11 is fixedly connected with the limit platform 10, the shaft rod 7 is arranged in the limit platform 10, the end of the clamping rod 9 is adapted to the outer wall of the shaft rod 7, a pressure block 604 is sleeved on the bidirectional screw 601, one end of the pressure block 604 is adapted to one side of the clamping rod 9, and matching grooves are provided on the outer walls of both sides of the control block 11, and the matching grooves are adapted to the pressure block 604.
[0022] A knob 6 is rotatably provided on the outer wall of the limit block 3, one end of the knob 6 is fixedly connected with a bidirectional screw 601, the bidirectional screw 601 is arranged in the limit block 3, a control block 11 is arranged at the center of the limit block 3, the bidirectional screw 601 is located in the control block 11, a clamping rod 9 is rotatably provided on the bidirectional screw 601, one end of the clamping rod 9 contacts the outer wall of the shaft rod 7, by rotating the knob 6, the knob 6 controls the rotation of the bidirectional screw 601, and makes the pressure plate 602 squeeze the compression spring 603 and makes the clamping rod 9 rotate through the limit rod 8, so that its end contacts the outer wall of the shaft rod 7, and then cooperates with the setting of the limit platform 10 to keep the shaft rod 7 in a locked state, so that the shaft rod 7 controls the opening and closing angle of the valve plate 5.
[0023] Working principle: When in use, first turn the knob 6, the bidirectional screw 601 fixedly connected to the knob 6 starts to rotate, and the rotation of the bidirectional screw 601 causes the clamping rod 9 to also start to rotate, and one end of the clamping rod 9 contacts the outer wall of the shaft 7;
[0024] Secondly, by turning the knob 6 to control the rotation of the bidirectional screw 601, the clamping rod 9 is rotated through the limit rod 8 so that its end contacts the outer wall of the shaft rod 7. Subsequently, the setting of the limit platform 10 keeps the shaft rod 7 in a locked state, that is, the shaft rod 7 can no longer rotate. The locked state of the shaft rod 7 controls the opening and closing angle of the valve plate 5. When the shaft rod 7 is locked, the position of the valve plate 5 remains unchanged.
[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A hydraulic butterfly valve, comprising a driving end, characterized in that: A turntable is rotatably provided on one side of the driving end, the bottom of the driving end is fixedly connected to a limit block, a shaft is rotatably provided in the limit block, the top of the shaft is provided in the driving end, a valve plate is fixedly connected to the bottom of the shaft, a valve body is fixedly connected to the bottom of the limit block, and the valve plate is rotatably provided in the valve body.
2. A hydraulic butterfly valve according to claim 1, characterized in that: The outer wall of the limit block is rotatably provided with a knob, and the limit block is fixedly connected with symmetrically distributed limit rods, and the limit rods are rotatably provided with symmetrically distributed clamping rods, and one end of the clamping rod is slidably provided with a sliding bolt, and the sliding bolt is slidably provided in the inner wall of the limit block.
3. A hydraulic butterfly valve according to claim 2, characterized in that: A control block is arranged in the limit block, one end of the knob is fixedly connected with a bidirectional screw, the clamping rod is sleeved on the bidirectional screw, a pressure plate is sleeved on the bidirectional screw, and a compression spring is arranged between the pressure plate and the clamping rod.
4. A hydraulic butterfly valve according to claim 3, characterized in that: The top of the control block is fixedly connected to the limiting platform, the shaft rod is arranged in the limiting platform, and the end of the clamping rod is matched with the outer wall of the shaft rod.
5. A hydraulic butterfly valve according to claim 3, characterized in that: A pressing block is sleeved on the bidirectional screw rod, and one end of the pressing block is matched with one side of the clamping rod.
6. A hydraulic butterfly valve according to claim 3, characterized in that: The outer walls on both sides of the control block are provided with adapting grooves, and the adapting grooves are adapted to the pressing blocks.