Ball valve protection piece and ball valve
By installing protective components at the through-hole end of the ball valve, and using the sliding fit of the movable fender and the elastic member, the leakage problem caused by the wear of tiny particles in high-speed fluid is solved, and a tighter sealing effect is achieved.
Patent Information
- Application Number
- CN202420987325.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-08
AI Technical Summary
At the moment when the ball valve is opened, the tiny solid particles and impurities in the fluid cause walls and wear to the end surface of the through-hole of the runner under high-speed impact, resulting in the inconvenient connection between the ball core and the valve seat, causing leakage problems.
Design a ball valve guard, by installing protective components at the inlet and outlet ends of the runner through hole, including movable baffles, elastic parts and positioning blocks of the annular array, the elastic parts and the movable baffles can be used to achieve slip fit to prevent wear , and reduce impact strength through fasteners and shock absorber pads to avoid jamming.
It effectively reduces the wear and damage of tiny solid particles and impurities on the inlet and outlet ends, realizes a flexible seal and avoids leakage.
Smart Images
Figure CN222185865U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valves, in particular to a ball valve protective element and a ball valve. Background Art
[0002] Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. The hard-sealed V-type ball valve has a strong shear force between its V-type ball core and the hard metal valve seat. During use, especially at the moment when the ball valve is opened, the fluid will quickly enter the flow channel of the ball from the opening, and the tiny solid particles and impurities in the fluid will cause wall breakage and wear on the end face of the flow channel under high-speed impact and flow, resulting in the problem that the connection between the ball core sealing surface and the valve seat is not tight enough, resulting in a certain gap at the valve connection, causing leakage. Therefore, it is proposed to solve the above problems. Utility Model Content
[0003] The utility model aims to provide a ball valve protection member and a ball valve, so as to solve the problem that tiny solid particles and impurities may break the wall and cause wear to the flow channel port in the ball core under high-speed impact and flow.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball valve protective member and a ball valve, including a ball core, a flow channel through hole is opened on the ball core, the flow channel through hole is provided with an inlet end and an outlet end, two groups of symmetrically arranged protective components are respectively installed on the inlet end and the outlet end, the protective components include a movable baffle, a plurality of elastic members and a positioning block arranged in a ring array, the movable baffle is slidably arranged and affixed to the inlet end, the elastic member is clamped between the movable baffle and the inlet end, and the positioning block passes through the movable baffle and is screwed on the inner wall of the flow channel through hole through a fastener.
[0005] Preferably, a plurality of positioning posts arranged in a ring array are provided on the inner wall of the flow channel through hole, and a sliding groove opposite to the positioning posts is provided on the movable baffle.
[0006] Preferably, a first limiting hole is formed on the positioning column, a corresponding limiting column is provided on one side of the slide slot, one end of the elastic member is sleeved on the limiting column and pressed against one side of the slide slot, and the other end is provided in the first limiting hole.
[0007] Preferably, the movable baffle is provided with a clearance opening connected to the flow channel through hole, the positioning block is installed in the clearance opening, the positioning block is provided with a first mounting hole, the flow channel through hole is provided with a corresponding second mounting hole, and the fastener passes through the first mounting hole and is tightened in the second mounting hole.
[0008] Preferably, a shock-absorbing pad is provided between the positioning block and the flow channel through hole, a third mounting hole for a fastener to pass through is formed on the shock-absorbing pad, and positioning flanges are extended on both sides of the shock-absorbing pad.
[0009] Preferably, a contact surface is extended from one side of the movable baffle plate close to the inlet end, and the contact surface is arranged in an inclined state toward the inlet end.
[0010] Preferably, the width of the clearance opening is greater than the width of the shock-absorbing pad, and the width of the shock-absorbing pad is greater than the width of the positioning block.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: protective components are added to the inlet and outlet ends, and the protective components prevent wear on the inlet and outlet ends through movable baffles, and the movable baffles are movablely matched with the flow channel through elastic parts. Since an abutment surface extends on one side of the movable baffle, the abutment surface will form an abutment seal with the valve seat in the open and closed states, reducing the wear and damage of tiny solid particles and impurities to the inlet and outlet ends, and the installed elastic parts can prevent the movable baffle from getting stuck, thereby achieving flexible abutment fit. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 An exploded view of the ball core and protective components of the utility model;
[0014] Figure 3 This is a schematic diagram of the structure of the ball core of the utility model;
[0015] Figure 4 This is a structural cross-sectional view of the protective component of the utility model;
[0016] Figure 5 It is a cross-sectional view of the overall structure schematic diagram of the utility model.
[0017] In the figure: 1. ball core; 2. flow channel through hole; 3. inlet end; 4. outlet end; 5. protective assembly; 8. movable baffle; 9. elastic member; 10. positioning block; 11. fastener; 12. positioning column; 13. slide groove; 14. first limiting hole; 15. limiting column; 16. clearance opening; 17. first mounting hole; 18. second mounting hole; 19. shock-absorbing pad; 20. third mounting hole; 21. positioning flange; 23. abutment surface. DETAILED DESCRIPTION
[0018] 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.
[0019] Example: As shown in the attached Figures 1 to 5 A ball valve protective member and a ball valve shown in the figure include a ball core 1, a flow channel through hole 2 is opened on the ball core 1, an inlet end 3 and an outlet end 4 are arranged on the flow channel through hole 2, two groups of protective components 5 are symmetrically installed on the inlet end 3 and the outlet end 4, respectively, the protective components 5 include a movable baffle 8, a plurality of elastic members 9 arranged in an annular array (specifically, pressure springs and the array is provided with 4), and a positioning block 10 (specifically, 4 are installed), the movable baffle 8 is slidably arranged and affixed to the inlet end 3, the elastic member 9 is clamped between the movable baffle 8 and the inlet end 3, and the positioning block 10 passes through the movable baffle 8 through The fasteners 11 (specifically bolts, and the number corresponds to the positioning blocks) are screwed onto the inner wall of the flow channel through hole 2, and a protective component 5 is installed at the inlet end 3 and the outlet end 4. The protective component 5 prevents the inlet end 3 and the outlet end 4 from being worn through the movable baffle 8, and the movable baffle 8 is movablely matched with the flow channel through hole 2 through the elastic member 9. Since an abutment surface 23 extends from one side of the movable baffle 8, the abutment surface 23 will form an abutment seal with the valve seat in the open and closed states, reducing the wear and damage of tiny solid particles and impurities to the inlet end 3 and the outlet end 4, and the installed elastic member 9 can prevent the movable baffle 8 from getting stuck, thereby achieving flexible abutment.
[0020] As attached Figure 2 and attached Figure 3 As shown, a plurality of positioning posts 12 (an integrated structure) arranged in a ring array are provided on the inner wall of the flow channel through hole 2, and a slide groove 13 opposite to the positioning posts 12 is provided on the movable baffle 8, which can stabilize the sliding stroke of the movable baffle 8 and has the functions of positioning and limiting.
[0021] As attached Figure 2 and attached Figure 3 As shown, a first limiting hole 14 is provided on the positioning column 12, and a corresponding limiting column 15 (an integrated structure) is provided on one side of the slide slot 13. One end of the elastic member 9 is sleeved on the limiting column 15 and pressed against one side of the slide slot 13, and the other end is arranged in the first limiting hole 14. The first limiting hole 14 is provided for installing the elastic member 9 and forming a limit, and the limiting column 15 cooperates with the first limiting hole 14 to prevent the elastic member 9 from twisting and deforming during operation.
[0022] As attached Figure 2and attached Figure 4 As shown, the movable baffle 8 is provided with a clearance opening 16 connected to the flow channel through hole 2, the positioning block 10 is installed in the clearance opening 16, the positioning block 10 is provided with a first mounting hole 17, and the flow channel through hole 2 is provided with a corresponding second mounting hole 18, the fastener 11 passes through the first mounting hole 17 and is tightened in the second mounting hole 18, and the clearance opening 16 is provided for installing the positioning block 10 with a stroke limiting function, so as to control the stroke amplitude of the movable baffle 8.
[0023] As attached Figure 2 and attached Figure 4 As shown, a shock-absorbing pad 19 (the specific number corresponds to the positioning block 10 and is made of rubber) is provided between the positioning block 10 and the flow channel through hole 2. A third mounting hole 20 for the fastener 11 to pass through is opened on the shock-absorbing pad 19. Positioning flanges 21 (an integrated structure) are extended on both sides of the shock-absorbing pad 19. The shock-absorbing pad 19 is installed and the positioning flanges 21 at both ends are used to cooperate with the clearance opening 16 to avoid abnormal sounds and noises caused by the movable panel hitting the positioning block 10 during operation, while reducing the impact intensity of the fastener 11.
[0024] As attached Figure 1 As shown, the movable baffle 8 is extended with an abutment surface 23 (an integrated structure) on one side close to the inlet end 3, and the abutment surface 23 is arranged in an inclined state toward the inlet end 3. The extended abutment surface 23 can extend the protection of the inlet end 3 and the inlet end 3, and the design of the abutment surface 23 in an inclined state can speed up the response speed of the movable panel when the valve is opened and closed.
[0025] As attached Figure 3 and attached Figure 4 As shown, the width of the clearance opening 16 is greater than the width of the shock-absorbing pad 19, and the width of the shock-absorbing pad 19 is greater than the width of the positioning block 10. The width of the clearance opening 16 is greater than the shock-absorbing pad 19 in order to achieve the travel range of the movable panel, and the width of the shock-absorbing pad 19 is greater than the positioning block 10 in order to reduce the impact force on the positioning block 10 and the fastener 11.
[0026] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.
Claims
1. A ball valve protection member and a ball valve, comprising a ball core (1), the ball core (1) being provided with a flow channel through hole (2), the flow channel through hole (2) being provided with an inlet end (3) and an outlet end (4), Features: Two groups of symmetrically arranged protection components (5) are respectively installed on the inlet end (3) and the outlet end (4), and the protection component (5) comprises a movable baffle (8), a plurality of elastic members (9) arranged in a ring array, and a positioning block (10); the movable baffle (8) is slidably arranged and affixed to the inlet end (3); the elastic member (9) is clamped between the movable baffle (8) and the inlet end (3); and the positioning block (10) passes through the movable baffle (8) and is screwed onto the inner wall of the flow channel through hole (2) via a fastener (11).
2. A ball valve protection member and a ball valve according to claim 1, Features: A plurality of positioning posts (12) arranged in a ring array are provided on the inner wall of the flow channel through hole (2), and a sliding groove (13) opposite to the positioning posts (12) is provided on the movable baffle (8).
3. A ball valve protection member and a ball valve according to claim 2, Features: The positioning column (12) is provided with a first limiting hole (14), and a corresponding limiting column (15) is provided on one side of the slide groove (13). One end of the elastic member (9) is sleeved on the limiting column (15) and pressed against one side of the slide groove (13), and the other end is provided in the first limiting hole (14).
4. A ball valve protection member and a ball valve according to claim 3, Features: The movable baffle (8) is provided with a clearance opening (16) which is connected to the flow channel through hole (2); the positioning block (10) is installed in the clearance opening (16); the positioning block (10) is provided with a first mounting hole (17); the flow channel through hole (2) is provided with a corresponding second mounting hole (18); the fastener (11) passes through the first mounting hole (17) and is screwed into the second mounting hole (18).
5. A ball valve protection member and a ball valve according to claim 4, Features: A shock-absorbing pad (19) is provided between the positioning block (10) and the flow channel through hole (2), the shock-absorbing pad (19) is provided with a third mounting hole (20) for the fastener (11) to pass through, and positioning flanges (21) are extended on both sides of the shock-absorbing pad (19).
6. A ball valve protection member and a ball valve according to claim 2, Features: The movable baffle (8) is provided with an abutment surface (23) extending from one side close to the inlet end (3), and the abutment surface (23) is arranged in an inclined state toward the inlet end (3).
7. A ball valve protection member and a ball valve according to claim 5, Features: The width of the clearance opening (16) is greater than the width of the shock-absorbing pad (19), and the width of the shock-absorbing pad (19) is greater than the width of the positioning block (10).