Input-output double-end anti-vibration butterfly valve
By setting anti-vibration structures at the input and output ends of the butterfly valve and optimizing the fluid flow characteristics, the vibration and impact problems during fluid entry and exit are solved, thereby reducing valve plate vibration and extending service life.
Patent Information
- Application Number
- CN202520313164.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing butterfly valves generate vibrations and impacts in fluid transport systems due to fluid dynamics effects, leading to increased noise, valve plate fatigue, and structural damage. Current technologies cannot simultaneously solve the impact problem during fluid entry and exit.
The design incorporates a dual-end anti-vibration butterfly valve with input and output. By setting anti-vibration structures at both the input and output ends, including anti-vibration blind holes and anti-vibration particles, the fluid flow characteristics are optimized, turbulence and eddies are reduced, and valve plate vibration is decreased.
It effectively reduces the vibration amplitude of the butterfly valve plate, extends its service life, reduces noise, and improves system stability.
Smart Images
Figure CN223578892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to butterfly valve technical field especially relates to a kind of input and output double-end anti-vibration butterfly valve. BACKGROUND
[0002] In fluid delivery system, butterfly valve often produces vibration and impact due to fluid dynamics effect (such as vortex and pressure pulsation), leading to noise increase, valve plate fatigue and even structure damage, seriously affect service life and system stability. Although there are passive damping and mixed control vibration suppression methods in prior art, but many concentrate on single port, it is difficult to solve the impact problem when fluid enters and discharges simultaneously. SUMMARY
[0003] The utility model discloses an input and output double-end anti-vibration butterfly valve, which can reduce impact vibration from both directions of fluid entering and discharging, effectively reduce the vibration amplitude of valve plate and prolong the service life of valve by setting anti-vibration structure on input end and output end.
[0004] Technical scheme: in order to achieve the above object, an input and output double-end anti-vibration butterfly valve of the utility model, including the valve plate that is set in valve body by valve rod rotation, valve plate rotation and valve seat in valve body open and close valve cooperation;
[0005] It also includes input anti-vibration port and output anti-vibration port, and the input anti-vibration port with built-in input anti-vibration structure part is coaxially connected to the input end of valve body, and the output anti-vibration port with built-in output anti-vibration structure part is coaxially connected to the output end of valve body, forming input and output double-end anti-vibration valve body structure.
[0006] Further, the input anti-vibration structure part is anti-vibration blind hole distributed in the inner side wall of input anti-vibration port in circumferential array.
[0007] Further, the hole diameter of the anti-vibration blind hole is gradually reduced in the direction of fluid delivery.
[0008] Further, the inner diameter of the input anti-vibration port is gradually contracted in the direction of fluid delivery.
[0009] Further, the output anti-vibration structure part is anti-vibration particle distributed in the inner side wall of output anti-vibration port in circumferential array.
[0010] Further, the granularity of the anti-vibration particle is gradually reduced in the direction of fluid delivery.
[0011] Further, the output anti-vibration port is straight-through type pipe body structure.
[0012] Further, the inner diameter size of the valve seat is d1, the inner diameter size of the small end side of the input anti-vibration port is d2, and the inner diameter size of the output anti-vibration port is d3, and d1, d2 and d3 satisfy the relationship: d1≤d2
[0013] Further, the input anti-vibration port and the valve body are both connected with a sealing component, and the output anti-vibration port and the valve body are both connected with a sealing component.
[0014] Further, the input anti-vibration port, the valve body and the output anti-vibration port are coaxially connected in series in a relative fixed state.
[0015] Beneficial effects: the double anti-vibration design of the input end and the output end effectively reduces the impact vibration of the fluid on the valve plate of the butterfly valve; the blind hole structure and the contracted inner diameter of the input end optimize the flow characteristics when the fluid enters, and reduce the turbulent flow and pressure pulsation; the particle structure and the straight-through type design of the output end disrupt the vortex when the fluid is discharged, and reduce the periodic impact. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a half-section structure schematic view of the butterfly valve of the utility model;
[0017] Figure 2 It is a structure schematic view of the valve body and the valve seat;
[0018] Figure 3 It is a structure schematic view of the input anti-vibration port;
[0019] Figure 4 It is a structure schematic view of the output anti-vibration port. DETAILED DESCRIPTION
[0020] The utility model will be further described below in combination with the drawings.
[0021] As shown in the drawings, Figure 1 An input-output double-end anti-vibration butterfly valve, comprising a valve plate 3 arranged in a valve body 2 through a valve rod 1, the valve plate 3 is rotated and cooperated with the valve seat 4 in the valve body 2 to open and close the valve; further comprising an input anti-vibration port 5 and an output anti-vibration port 6, the input anti-vibration port 5 with an input anti-vibration structure part 50 is coaxially connected to the input end of the valve body 2, the output anti-vibration port 6 with an output anti-vibration structure part 60 is coaxially connected to the output end of the valve body 2, forming an input-output double-end anti-vibration valve body structure. The utility model sets anti-vibration structure in the input end and the output end respectively, can reduce impact vibration from two directions of fluid entering and discharging at the same time, effectively reduces the vibration amplitude of the valve plate, thereby prolongs the service life of the valve.
[0022] More specifically, the input anti-vibration structure 50 is an anti-vibration blind hole arranged in a circumferential array on the inner wall of the input anti-vibration port 5. The circumferential array arrangement of the anti-vibration blind hole can effectively disrupt the vortex structure of the fluid, reduce the impact force of the fluid on the valve plate 3, and thus reduce vibration. The anti-vibration blind hole has a gradually decreasing hole diameter in the fluid conveying direction, and the gradually decreasing hole diameter design can further optimize the fluid flow characteristics, gradually slow down the fluid before entering the valve body 2, and reduce fluid dynamic noise.
[0023] The inner diameter of the input anti-vibration port 5 is gradually constricted in the fluid conveying direction, and the gradually constricted structure can guide the fluid to enter the valve body 2 smoothly, reduce the turbulence and pressure pulsation of the fluid, and further reduce vibration.
[0024] More specifically, the output anti-vibration structure 60 is an anti-vibration particle arranged in a circumferential array on the inner wall of the output anti-vibration port 6. The circumferential array arrangement of the anti-vibration particle can disrupt the vortex formed by the fluid at the output end, thereby reducing the impact force of the periodic vortex on the valve plate 3. The anti-vibration particle has a gradually decreasing particle size in the fluid conveying direction, and the gradually decreasing particle size design can further optimize the fluid flow characteristics, gradually slow down the fluid when discharged, and reduce fluid dynamic noise.
[0025] The output anti-vibration port 6 is a straight-through pipe structure, which can reduce the resistance of the fluid when discharged, while ensuring the effective action of the anti-vibration particle and reducing vibration.
[0026] The inner diameter of the valve seat 4 is d1, the inner diameter of the small end of the input anti-vibration port 5 is d2, and the inner diameter of the output anti-vibration port 6 is d3. In order to ensure that the fluid is slowed down smoothly at the input end and discharged smoothly at the output end, thereby optimizing the fluid flow path and reducing vibration, d1, d2 and d3 satisfy the relationship: d1≤d2﹤d3.
[0027] The input anti-vibration port 5 and the valve body 2, and the output anti-vibration port 6 and the valve body 2 are both connected with a sealing member 7 to prevent fluid leakage and ensure the effectiveness of the anti-vibration structure. The sealing member 7 is a sealing gasket.
[0028] The input anti-vibration port 5, the valve body 2, and the output anti-vibration port 6 are coaxially connected in series in a relatively fixed state. The coaxial series connection design can ensure the alignment of the anti-vibration port and the valve body, avoid vibration caused by installation deviation, and ensure the overall stability of the butterfly valve.
[0029] The utility model discloses the advantages are: through the double anti -vibration design of input and output, effectively reduce the impact vibration of fluid to butterfly valve plate, the blind hole structure of input and the contraction inner diameter optimization flow characteristic when fluid enters, reduce turbulent flow and pressure pulsation, the particle structure of output and straight -through type design break the vortex when discharging, reduce periodic impact, have remarkable superiority in reducing vibration, reduce noise, prolong service life, be applicable to the fluid delivery scene of high stability demand.
[0030] The above only is the preferred implementation of the utility model, should point out: for the ordinary technical personnel of this technical field, on the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.
Claims
1. An input-output double-end anti-vibration butterfly valve, comprising a valve plate (3) arranged in a valve body (2) through a valve rod (1) rotation, the valve plate (3) rotation cooperates with a valve seat (4) in the valve body (2) to open and close the valve; characterized in that It also includes an input anti-vibration port (5) and an output anti-vibration port (6), the input anti-vibration port (5) with built-in input anti-vibration structure (50) is coaxially connected to the input end of the valve body (2), the output anti-vibration port (6) with built-in output anti-vibration structure (60) is coaxially connected to the output end of the valve body (2), forming an input-output double-end anti-vibration valve body structure.
2. The input-output double-end anti-vibration butterfly valve according to claim 1, characterized in that: The input anti-vibration structure (50) is an anti-vibration blind hole arranged in the inner wall of the input anti-vibration port (5) in a circumferential array.
3. The input-output double end anti-vibration butterfly valve according to claim 2, characterized in that: The anti-vibration blind hole is arranged in a gradually decreasing state in the direction of fluid transportation.
4. The input-output double-end anti-vibration butterfly valve according to claim 3, characterized in that: The inner diameter of the input anti-vibration port (5) is gradually reduced in the direction of fluid transportation.
5. The input-output double end anti-vibration butterfly valve according to claim 4, characterized in that: The output anti-vibration structure (60) is an anti-vibration particle arranged in the inner wall of the output anti-vibration port (6) in a circumferential array.
6. The input-output double end anti-vibration butterfly valve according to claim 5, characterized in that: The anti-vibration particle is arranged in a gradually decreasing state in the direction of fluid transportation.
7. The input-output double end anti-vibration butterfly valve according to claim 5, characterized in that: The output anti-vibration port (6) is a straight-through type pipe body structure.
8. The input-output double end anti-vibration butterfly valve according to claim 7, characterized in that: The inner diameter of the valve seat (4) is d1, the inner diameter of the small end side of the input anti-vibration port (5) is d2, and the inner diameter of the output anti-vibration port (6) is d3, d1, d2 and d3 satisfy the relationship: d1≤d2﹤d3.
9. The input-output double-end anti-vibration butterfly valve according to any one of claims 1-8, characterized in that: The input anti-vibration port (5) and the valve body (2) are connected by a sealing member (7), and the output anti-vibration port (6) and the valve body (2) are also connected by a sealing member (7).
10. The input-output double-end anti-vibration butterfly valve according to any one of claims 1-8, characterized in that: The input anti-vibration port (5), the valve body (2) and the output anti-vibration port (6) are coaxially connected in a relatively fixed state.