Teflon-lined butterfly valve with high stability
By introducing self-locking and sealing components into the PTFE-lined butterfly valve, the problems of valve leakage and insufficient heat dissipation are solved, achieving reliable sealing and long service life of the equipment.
Patent Information
- Application Number
- CN202423276963.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing PTFE-lined butterfly valves lack a self-locking device, which makes the valves prone to accidental rotation and leakage. In addition, the valve body is deficient in heat dissipation and strength, resulting in a short service life.
The design incorporates a self-locking assembly and a sealing assembly, including a movable clamp, spring, chuck, and sealing ring. The self-locking assembly prevents accidental valve rotation, while the sealing assembly prevents leakage. Heat sinks and reinforcing ribs are also used to improve heat dissipation and strength.
It achieves reliable valve sealing, prevents leakage, extends service life, and improves equipment stability and safety by enhancing heat dissipation and structural strength.
Smart Images
Figure CN223806631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to butterfly valve technical field especially relates to a strong stability's lining four fluorine butterfly valve. BACKGROUND
[0002] Lining four fluorine butterfly valve is the key equipment of industrial fluid control field, and its core structure is that the butterfly valve is lined with polytetrafluoroethylene material in the inside, this material has the characteristics such as excellent chemical stability corrosion resistance and low friction coefficient, the valve flap is controlled the flow of fluid by rotating, simple and fast operation, the valve is widely used in chemical industry, pharmacy, food and beverage, environmental protection and many other industries, in the chemical industry, can be used for conveying the pipeline system of various strong acid, strong base, organic solvent and other corrosive media, accurately control the flow of reactant, ensure the safety and stability of chemical production process.
[0003] The existing lining four fluorine butterfly valve is generally composed of valve body, valve flap, valve shaft, sealing element and lining polytetrafluoroethylene layer, the valve body is the main frame of the valve, the valve flap rotates around the valve shaft in the valve body to realize opening and closing action, the sealing element is used to ensure the sealing performance of the valve, in the prior art, due to the lack of self-locking device of the butterfly valve, the valve is easily rotated by mistake in the use process, which leads to valve leakage and causes safety accidents, and the existing valve body is lacking in heat dissipation and strength, resulting in poor service life. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a strong stability's lining four fluorine butterfly valve, aims at improving the problems that the existing equipment is easily opened accidentally due to the lack of self-locking device, leads to safety accidents and the valve body is lacking in heat dissipation and strength, resulting in short service life.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a strong stability's lining four fluorine butterfly valve, including valve body, the valve body inner wall is fixedly connected with butterfly frame, the butterfly frame inside rotation is connected with the shaft, the fixed block is fixedly connected on the outer wall of the shaft, the fixed nut is rotatably connected on the outer wall of the shaft, the disc is fixedly connected on one end of the fixed block, the base is fixedly connected in the valve body, the self-locking assembly is arranged on the outer wall of the shaft;The sealing assembly is arranged on the outer wall of the disc, the self-locking assembly includes adjusting rod, the outer wall of the shaft is fixedly connected in the adjusting rod, the movable clamp block is rotatably connected on one side of the adjusting rod, spring no.
[0006] Further, the sealing assembly comprises a sealing ring, an inner wall of the sealing ring is fixedly connected to an outer wall of the disc, and an outer wall of the sealing ring is slidably connected to an outer wall of the disc holder.
[0007] Further, a connecting pipe is slidably connected to an inner wall of the valve body, a sealing sleeve is fixedly connected to an outer wall of the connecting pipe, an outer wall of the sealing sleeve is slidably connected to the inner wall of the valve body, and an outer shell is fixedly connected to an inner portion of the valve body.
[0008] Further, a clamping groove plate is fixedly connected to an inner portion of the connecting pipe, a pressing rod is slidably connected to an inner wall of the outer shell, a spring No.2 is sleeved on an outer wall of the pressing rod, a clamping block is fixedly connected to the outer wall of the pressing rod, and a rotary pressing block is fixedly connected to one end of the pressing rod.
[0009] Further, one end of the spring No.1 is fixedly connected to a lower surface of the adjusting rod, and the other end of the spring No.1 is fixedly connected to an upper surface of the movable clamping block.
[0010] Further, an outer wall of the rotating shaft is rotatably connected to an inner portion of the chuck, and a filter screen is fixedly connected to an inner portion of the valve body.
[0011] Further, one end of the spring No.2 is fixedly connected to one side of the outer wall of the pressing rod, and the other end of the spring No.2 is fixedly connected to an inner portion of the outer shell.
[0012] Further, the outer wall of the pressing rod is slidably connected to an inner wall of the clamping groove plate, and the outer wall of the clamping block is slidably connected to a clamping groove in the inner portion of the clamping groove plate.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1. In the utility model, the movable clamping block rotates on the adjusting rod, is pressed to the chuck by the spring force, the movable clamping block is tightly clamped to the chuck in normal time, prevents the accidental rotation of the valve, when needing operation, the movable clamping block can be lifted to rotate the adjusting rod by overcoming the spring force, medium leakage is avoided in chemical production, personnel and environmental safety are guaranteed, the self-locking assembly cooperates with the disc and the sealing ring simultaneously, realizes sealing, the heat dissipation fin can increase the contact area between the valve body and the external environment, rapidly dissipates heat, prolongs the service life of the valve, and the reinforcing rib can significantly enhance the pressure resistance, bending resistance and impact resistance of the valve body.
[0015] 2. In the utility model, the sealing sleeve fills the gap between the connecting pipe and the valve body, effectively prevents fluid leakage, when installing, the connecting pipe is inserted to align with the clamping groove plate and the pressing rod, the pressing rod is slid, the clamping block is in the clamping groove to complete fixing, when disassembling, the clamping block is out of the clamping groove by operating the rotary pressing block, the connecting pipe can be pulled out, the operation is simple and convenient without complex tools, when the equipment needs to be maintained, parts are replaced or the internal portion is repaired, the connecting pipe can be quickly disassembled and assembled, downtime is reduced, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the strong stability lined Teflon butterfly valve is provided in the utility model;
[0017] Figure 2 For Figure 1 The enlarged view at A in the middle;
[0018] Figure 3 A butterfly frame part structure schematic diagram of the strong stability lined Teflon butterfly valve is provided in the utility model;
[0019] Figure 4 A sealing ring part structure schematic diagram of the strong stability lined Teflon butterfly valve is provided in the utility model;
[0020] Figure 5 A shell part structure schematic diagram of the strong stability lined Teflon butterfly valve is provided in the utility model;
[0021] Figure 6 A clamping groove plate part structure schematic diagram of the strong stability lined Teflon butterfly valve is provided in the utility model.
[0022] Legend:
[0023] 1, valve body; 2, fin; 3, reinforcing rib; 4, filter screen; 5, base; 6, butterfly frame; 7, rotating shaft; 8, disc; 9, fixed nut; 10, fixed block; 11, chuck; 12, adjusting rod; 13, movable clamp block; 14, spring one; 15, sealing ring; 16, connecting pipe; 17, spinning block; 18, clamping groove plate; 19, pressure rod; 20, shell; 21, spring two; 22, clamping block; 23, sealing sleeve. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Reference Figure 1 - Figure 4The utility model provides a kind of embodiment of strong stability's lining fluorine butterfly valve, including valve body 1, valve body 1 has enough strength and pressure resistance, to withstand the pressure of fluid medium, valve body 1 inner wall is fixedly connected with butterfly frame 6, butterfly frame 6 inside rotation is connected with the shaft 7 of rotation, operating personnel rotates adjusting lever 12, adjusting lever 12 drives the rotation of the shaft 7 in butterfly frame 6 and base 5, the outer wall of the shaft 7 is fixedly connected with fixed block 10, the outer wall of the shaft 7 is rotatably connected with fixed nut 9, fixed block 10 one end is fixedly connected with disc 8, the shaft 7 is driven disc 8 synchronous rotation by fixed block 10, disc 8 gradually rotates from closed position to open position, fluid starts through valve, valve body 1 inside is fixedly connected with base 5, the outer wall of the shaft 7 is provided with self-locking assembly;During rotation, operating personnel can control the rotation angle of disc 8 according to need, to adjust the flow of fluid, the outer wall of disc 8 is provided with sealing assembly, self-locking assembly includes adjusting lever 12, hand holds adjusting lever 12 and applies certain external force upwards, overcomes the elasticity of spring one 14, makes movable clamp block 13 rotate upwards and is separated from chuck 11 contact, the outer wall of the shaft 7 is fixedly connected in adjusting lever 12 inside, when needing to close valve, operating personnel reversely rotates adjusting lever 12, makes disc 8 rotate to the closing direction, the side of adjusting lever 12 is rotatably connected with movable clamp block 13, when disc 8 rotates to closed position, operating personnel releases the external force to adjusting lever 12, under the action of spring one 14, movable clamp block 13 rotates downwards, recontact with chuck 11 closely, lock the shaft 7, the upper surface of movable clamp block 13 is provided with spring one 14, one end of base 5 is fixedly connected with chuck 11, the edge of chuck 11 is provided with tooth slot or concave-convex structure and movable clamp block 13 cooperation realizes the locking of the shaft 7, the outer wall of the shaft 7 is rotatably connected in the inner wall of base 5, the outer wall of valve body 1 is fixedly connected with fin 2, fin 2 is made of metal such as aluminium alloy material, its shape is flaky or fin shape, improves heat dissipation efficiency by increasing the heat dissipation area of valve body 1, the outer wall of valve body 1 one side is fixedly connected with reinforcing rib 3, reinforcing rib 3 is metal strip or block structure, according to the stress condition of valve body 1, it is reasonably distributed, enhances the strength and rigidity of valve body 1, sealing assembly includes sealing ring 15, when valve is closed, sealing ring 15 can fill the gap between disc 8 and butterfly frame 6 under the extrusion of disc 8, forms reliable seal, prevents fluid leakage, the inner wall of sealing ring 15 is fixedly connected in the outer wall of disc 8, during the rotation of disc 8, sealing ring 15 and the outer wall of butterfly frame 6 keep closely sliding connection, gradually extrude sealing ring 15, make it fill the gap between disc 8 and butterfly frame 6, enhance sealing effect, the outer wall of sealing ring 15 is slidably connected in the outer wall of butterfly frame 6, one end of spring one 14 is fixedly connected in the lower surface of adjusting lever 12, the other end of spring one 14 is fixedly connected in the upper surface of movable clamp block 13, the outer wall of the shaft 7 is rotatably connected in the inside of chuck 11, valve body 1 inside is fixedly connected with filter screen 4, filter screen 4 selects wire mesh or porous plate and other materials, is used for filtering the impurities in fluid, prevents impurities from entering valve interior and damaging components.
[0026] With reference to Figure 1 , Figure 5 and Figure 6 , the inner wall of the valve body 1 is slidably connected with the connecting pipe 16, the end of the connecting pipe 16 with the sealing sleeve 23 is aligned with the connecting port of the valve body 1, the connecting pipe 16 is slowly inserted into the valve body 1, the outer wall of the connecting pipe 16 is fixedly connected with the sealing sleeve 23, and during the insertion process, it is ensured that the connecting pipe 16 remains vertical, so that the sealing sleeve 23 gradually fits with the inner wall of the valve body 1, and starts to play a sealing and buffering role. The outer wall of the sealing sleeve 23 is slidably connected to the inner wall of the valve body 1, the valve body 1 is fixedly connected with the shell 20, when the connecting pipe 16 is inserted to a certain depth and the clamping groove plate 18 approaches the pressure rod 19, the operator presses the rotary pressing block 17 with his hand, the rotary pressing block 17 drives the pressure rod 19 to slide in the inner wall of the shell 20 towards the clamping groove plate 18, the connecting pipe 16 is fixedly connected with the clamping groove plate 18 inside, the position of the clamping groove plate 18 inside the connecting pipe 16 and the pressure rod 19 on the inner wall of the shell 20 is observed to align them, the inner wall of the shell 20 is slidably connected with the pressure rod 19, the pressure rod 19 compresses the spring two 21 during the sliding process, the spring two 21 stores elastic potential energy, with the movement of the pressure rod 19, the clamping block 22 fixedly connected to the outer wall of the pressure rod 19 slides into the clamping groove of the clamping groove plate 18, completing the fixed connection of the connecting pipe 16 and the shell 20, the pressure rod 19 is sleeved with the spring two 21 outside, the pressure rod 19 is fixedly connected with the clamping block 22 outside, the clamping block 22 is out of the clamping groove by operating the rotary pressing block 17, so that the connecting pipe 16 can be pulled out, one end of the pressure rod 19 is fixedly connected with the rotary pressing block 17, one end of the spring two 21 is fixedly connected to the outer wall of the pressure rod 19, the other end of the spring two 21 is fixedly connected to the inside of the shell 20, the outer wall of the pressure rod 19 is slidably connected to the inner wall of the clamping groove plate 18, and the outer wall of the clamping block 22 is slidably connected to the inner clamping groove of the clamping groove plate 18.
[0027] Working principle: when the valve needs to be opened, the operator applies an external force to the adjusting rod 12 to overcome the elastic force of the spring 14, lifts the movable clamp block 13 upward, and makes the movable clamp block 13 and the chuck 11 disengage, thereby unlocking the rotating shaft 7. Then, the rotating shaft 7 is rotated by rotating the adjusting rod 12, and the disc 8 is rotated in the butterfly frame 6 by the fixed block 10, so that the disc 8 is gradually rotated from the closed position to the open position to control the flow of fluid medium. When the valve needs to be closed, the adjusting rod 12 is rotated in the opposite direction, and the disc 8 is rotated in the closing direction. When the disc 8 is rotated to the closed position, the external force on the adjusting rod 12 is released, and the movable clamp block 13 moves downward under the action of the spring 14 to re-closely contact with the chuck 11, thereby locking the rotating shaft 7 to ensure that the valve is in a reliable closed state and prevent fluid leakage. In the process of opening and closing the valve, the sealing ring 15 on the outer wall of the disc 8 is always in close sliding connection with the outer wall of the butterfly frame 6. When the valve is closed, the sealing ring 15 is further closely attached to the outer wall of the butterfly frame 6 under the extrusion of the disc 8 to form a reliable seal and prevent fluid medium from leaking between the disc 8 and the butterfly frame 6. When the connecting pipe 16 is inserted into the valve body 1, the sealing sleeve 23 fills the gap between the connecting pipe 16 and the valve body 1 to prevent fluid from leaking from the connection. When the connecting pipe 16 is installed, the connecting pipe 16 is inserted into the valve body 1, the clamping groove plate 18 is aligned with the pressure rod 19, then the pressure block 17 is pressed, the pressure rod 19 slides in the inner wall of the shell 20, the pressure rod 19 compresses the spring 21, and the clamping block 22 slides into the clamping groove of the clamping groove plate 18 to complete the fixed connection between the connecting pipe 16 and the shell 20. Similarly, when disassembling, the pressure block 17 is pressed to make the pressure rod 19 slide away from the clamping groove plate 18 in the shell 20, the spring 21 is compressed to store energy, and the clamping block 22 gradually exits from the clamping groove of the clamping groove plate 18 until it is completely separated, thereby unlocking the connecting pipe 16 and the shell 20. After the clamping block 22 is separated from the clamping groove, the connecting pipe 16 is pulled out smoothly, and the sealing sleeve 23 and the inner structure of the valve body 1 are prevented from being damaged. The valve body 1 is thus disassembled. The cooling fins 2 on the outer wall of the valve body 1 play a role in heat dissipation, the cooling fins 2 increase the heat dissipation area of the valve body 1 to quickly dissipate heat to the surrounding environment, thereby reducing the temperature of the valve body 1. The reinforcing ribs 3 enhance the strength of the valve body 1, which can effectively enhance the pressure resistance, bending resistance and impact resistance of the valve body 1. At the same time, the filter screen 4 intercepts impurities in the fluid to prevent impurities from entering the valve and causing damage to the disc 8, the sealing ring 15 and other components, thereby further ensuring the normal operation and sealing performance of the valve.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A strong stability lining four fluorine butterfly valve, comprising a valve body (1), characterized in that: The valve body (1) inner wall is fixedly connected with the butterfly frame (6), the butterfly frame (6) is rotatably connected with the rotating shaft (7), the rotating shaft (7) outer wall is fixedly connected with the fixed block (10), the rotating shaft (7) outer wall is rotatably connected with the fixed nut (9), the fixed block (10) one end is fixedly connected with the disc (8), the valve body (1) inside is fixedly connected with the base (5), the rotating shaft (7) outer wall is provided with self-locking assembly;The disc (8) outer wall is provided with sealing assembly; The self-locking assembly includes an adjusting rod (12), the rotating shaft (7) is fixedly connected in the adjusting rod (12), the adjusting rod (12) one side is rotatably connected with movable clamp block (13), the movable clamp block (13) upper surface is provided with spring one (14), the base (5) one end is fixedly connected with chuck (11), the rotating shaft (7) outer wall is rotatably connected in the base (5) inner wall, the valve body (1) outer wall is fixedly connected with the fin (2), the valve body (1) outer wall one side is fixedly connected with the reinforcing rib (3).
2. The stable lining Teflon butterfly valve according to claim 1, characterized in that: The sealing assembly includes a sealing ring (15), the sealing ring (15) inner wall is fixedly connected in the disc (8) outer wall, the sealing ring (15) outer wall is slidably connected in the butterfly frame (6) outer wall.
3. The stable lining Teflon butterfly valve according to claim 2, characterized in that: The valve body (1) inner wall is slidably connected with the connecting pipe (16), the connecting pipe (16) outer wall is fixedly connected with the sealing sleeve (23), the sealing sleeve (23) outer wall is slidably connected in the valve body (1) inner wall, the valve body (1) inside is fixedly connected with the shell (20).
4. The stable lining Teflon butterfly valve according to claim 3, characterized in that: The connecting pipe (16) inside is fixedly connected with the clamping groove plate (18), the shell (20) inner wall is slidably connected with the pressure rod (19), the pressure rod (19) outer wall is sleeved with spring two (21), the pressure rod (19) outer wall is fixedly connected with the clamping block (22), the pressure rod (19) one end is fixedly connected with the spinning block (17).
5. The stable lined butterfly valve according to claim 1, wherein: The spring one (14) one end is fixedly connected in the adjusting rod (12) lower surface, the spring one (14) other end is fixedly connected in the movable clamp block (13) upper surface.
6. The stable lined Teflon butterfly valve according to claim 1, characterized in that: The rotating shaft (7) outer wall is rotatably connected in the chuck (11) inside, the valve body (1) inside is fixedly connected with the filter screen (4).
7. The stable lined butterfly valve according to claim 4, wherein: The spring two (21) one end is fixedly connected in the pressure rod (19) outer wall one side, the spring two (21) other end is fixedly connected in the shell (20) inside.
8. The stable lined Teflon butterfly valve according to claim 4, characterized in that: The pressure rod (19) outer wall is slidably connected in the clamping groove plate (18) inner wall, the clamping block (22) outer wall is slidably connected in the clamping groove plate (18) inner clamping groove.