Anti-seismic and anti-deformation valve casting

Abstract

The utility model discloses an anti-shock and anti-deformation valve casting which comprises a valve casting main body, a metal corrugated pipe is fixedly connected to the surface of the valve casting main body, the valve casting main body is installed in a conveying pipeline through a plurality of connecting flanges and the metal corrugated pipe matched with bolts, and when liquid pressure impacts the valve casting main body to generate vibration, the valve casting main body is connected with the metal corrugated pipe. Shock force is transmitted into the supporting plate through the fixing ring, movement of the supporting plate drives the elastic supporting mechanism, the friction damping mechanism and the hydraulic damping assembly to ascend and descend, and the hydraulic damping assembly is driven to ascend and descend through counter-acting force generated after the hydraulic damping assembly is extruded and friction force generated when the friction damping mechanism slides and resilience force of the elastic supporting mechanism. The vibration force generated by the valve casting main body can be reduced and counteracted, so that the purpose of damping the vibration force borne by the valve casting during use is achieved, and the problem of liquid leakage caused by deformation and damage of the flange joint of the valve after the valve is vibrated for a long time is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve casting technical field especially relates to an anti -seismic deformation valve casting. BACKGROUND

[0002] Valve casting is the valve part produced through casting process, has the advantages of low cost and can produce complex shape parts. Usually by liquid inlet pipe, liquid outlet pipe and valve body installation pipe three parts constitute, valve casting is connected to the valve body and is installed and is used, usually is through the flange rigidity connection on the conveying pipeline.

[0003] Valve casting when conveying liquid, because the conveying impact force of liquid impacts the valve, therefore, the valve usually produces vibration when using, when the valve is vibrated for a long time, the valve connecting flange and the sealing gasket are easy to deform and damage, cause the hard connection of valve and conveying pipeline to appear the liquid leakage because of deformation. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides an anti -seismic deformation valve casting for solving the problem in above -mentioned background art.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] An anti -seismic deformation valve casting, including valve casting main part, the valve casting main part surface fixedly connected with metal bellows, the metal bellows surface fixedly connected with connecting flange, the connecting flange inner wall fixedly connected with sealing pad, the connecting flange surface fixedly connected with the chassis, the valve casting main part surface fixedly connected with the fixed ring, the fixed ring bottom fixedly connected with the support plate, the chassis inside is provided with elastic support mechanism, the chassis inside is provided with limit component, the chassis inside is provided with friction damping mechanism, the chassis inside is provided with hydraulic damping assembly.

[0007] Preferably, the elastic support mechanism is composed of a fixed cylinder, a support shaft and a spring, the fixed cylinder is fixedly connected with the inner wall of the chassis, the support shaft is slidingly connected with the inner wall of the fixed cylinder, and the top end of the support shaft is fixedly connected with the bottom surface of the support plate, the spring is fixedly connected with the inner wall of the chassis, and the spring is fixedly connected with the bottom surface of the support plate.

[0008] Preferably, the limit component is composed of a limit sliding groove and a limit sliding block, the limit sliding groove is opened in the inner wall of the fixed cylinder, the limit sliding block is slidingly connected with the inner wall of the limit sliding groove, and the inner wall of the limit sliding block is fixedly connected with the surface of the support shaft.

[0009] Preferably, the friction damping mechanism is composed of a limiting cylinder, a transmission shaft and a rubber damping block, the limiting cylinder is fixedly connected with the inner wall of the chassis, the transmission shaft is slidably connected with the inner wall of the limiting cylinder, and the top end of the transmission shaft is fixedly connected with the bottom surface of the support plate, the rubber damping block is fixedly connected with the bottom end of the transmission shaft, and the surface of the rubber damping block is slidably connected with the inner wall of the limiting cylinder.

[0010] Preferably, the hydraulic damping assembly is composed of a hydraulic oil cylinder, a piston rod, a piston plate and a through hole, the hydraulic oil cylinder is fixedly connected with the inner wall of the chassis, the piston rod is slidably connected with the inner wall of the hydraulic oil cylinder, and the top end of the piston rod is fixedly connected with the bottom surface of the support plate, the inner wall of the piston plate is fixedly connected with the surface of the piston rod, and the surface of the piston plate is slidably connected with the inner wall of the hydraulic oil cylinder, and the through hole is arranged on the top surface of the piston plate.

[0011] Preferably, the chassis is in a rectangular shape and is made of metal material.

[0012] Preferably, the number of the springs is multiple, and the multiple springs are symmetrically arranged with the vertical middle line of the front surface of the chassis as the symmetric axis.

[0013] Compared with the prior art, the anti-seismic and anti-deformation valve casting has the advantages that: when the liquid pressure impacts the valve casting body to generate vibration, the vibration force is transmitted to the support plate through the fixing ring, the movement of the support plate drives the elastic support mechanism, the friction damping mechanism and the hydraulic damping assembly to move up and down, through the reaction force of the hydraulic damping assembly after being extruded and the friction force generated when the friction damping mechanism slides, and the resilience of the elastic support mechanism, the vibration force generated by the valve casting body can be reduced and offset, the vibration force received by the valve casting during use can be damped and the problem of deformation and damage of the flange connection of the valve due to long-time vibration is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure front view of the utility model;

[0015] Figure 2 It is a structure front view of the utility model;

[0016] Figure 3 It is a structure front view of the utility model;

[0017] Figure 4 It is a structure front view of the utility model.

[0018] In the figure: 1, valve casting body; 2, metal bellows; 3, connecting flange; 4, gasket; 5, chassis; 6, fixed ring; 7, support plate; 8, fixed cylinder; 9, support shaft; 10, spring; 11, limit sliding slot; 12, limit sliding block; 13, limit cylinder; 14, transmission shaft; 15, rubber damping block; 16, hydraulic oil cylinder; 17, piston rod; 18, piston plate; 19, through hole. DETAILED DESCRIPTION

[0019] 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.

[0020] Referring to Figures 1-4 , an anti-seismic and anti-deformation valve casting, comprising a valve casting body 1, the surface of the valve casting body 1 is fixedly connected with a metal bellows 2, the surface of the metal bellows 2 is fixedly connected with a connecting flange 3, the inner wall of the connecting flange 3 is fixedly connected with a gasket 4, the surface of the connecting flange 3 is fixedly connected with a chassis 5, the chassis 5 is rectangular in shape and is made of metal material, the chassis 5 made of metal material has higher strength and is not easy to deform and damage the support force after being stressed, the surface of the valve casting body 1 is fixedly connected with a fixed ring 6, the bottom surface of the fixed ring 6 is fixedly connected with a support plate 7, the inside of the chassis 5 is provided with an elastic support mechanism, the elastic support mechanism is composed of a fixed cylinder 8, a support shaft 9 and a spring 10, the number of the spring 10 is multiple, and the multiple springs 10 are symmetrically arranged with the vertical center line of the front surface of the chassis 5 as the axis of symmetry, for supporting the valve casting body 1, improving the stability of liquid delivery, the fixed cylinder 8 is fixedly connected with the inner wall of the chassis 5, the support shaft 9 is slidingly connected with the inner wall of the fixed cylinder 8, and the top end of the support shaft 9 is fixedly connected with the bottom surface of the support plate 7, the spring 10 is fixedly connected with the inner wall of the chassis 5, and the spring 10 is fixedly connected with the bottom surface of the support plate 7, for supporting the fixed valve casting body 1, improving the installation stability, the inside of the chassis 5 is provided with a limiting assembly, the limiting assembly is composed of a limiting sliding slot 11 and a limiting sliding block 12, the limiting sliding slot 11 is opened in the inner wall of the fixed cylinder 8, the limiting sliding block 12 is slidingly connected with the inner wall of the limiting sliding slot 11, and the inner wall of the limiting sliding block 12 is fixedly connected with the surface of the support shaft 9, for limiting the lifting distance of the support shaft 9, avoiding the problem of sliding disengagement of the support shaft 9, the inside of the chassis 5 is provided with a friction damping mechanism, and the inside of the chassis 5 is provided with a hydraulic damping assembly.

[0021] Specific, friction damping mechanism by limiting cylinder 13, transmission shaft 14 and rubber damping block 15 is composed of, limiting cylinder 13 and the inner wall of the chassis 5 fixedly connected, transmission shaft 14 and the inner wall of the limiting cylinder 13 sliding connection, and the top end of transmission shaft 14 and the bottom surface of the support plate 7 fixedly connected, rubber damping block 15 and the bottom end of transmission shaft 14 fixedly connected, and the surface of rubber damping block 15 and the inner wall of the limiting cylinder 13 sliding connection, through the friction force generated by rubber damping block 15, that is, the vibration force generated by the valve casting body 1 can be offset work, improve the damping effect.

[0022] Specific, hydraulic damping assembly by hydraulic cylinder 16, piston rod 17, piston plate 18 and through hole 19 is composed of, hydraulic cylinder 16 and the inner wall of the chassis 5 fixedly connected, piston rod 17 and the inner wall of the hydraulic cylinder 16 sliding connection, and the top end of piston rod 17 and the bottom surface of the support plate 7 fixedly connected, the inner wall of piston plate 18 and the surface of piston rod 17 fixedly connected, and the surface of piston plate 18 and the inner wall of the hydraulic cylinder 16 sliding connection, through hole 19 through the top surface of piston plate 18, through the reaction force of the damping liquid after extrusion, cooperate with the circulation of damping liquid, that is, the vibration force can be gradually reduced work, improve the damping stability.

[0023] The electrical components appearing in this paper are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device.

[0024] In use: first, the valve body is installed on the valve casting body 1 above the connection, the valve casting body 1 is installed and connected in the conveying pipeline through the cooperation of the plurality of connecting flanges 3 and the metal bellows 2 and the bolts, the connecting flanges 3 are extruded to seal the gasket 4 for conveying sealing work after being stressed, and the chassis 5 is fixedly stressed after being hard connected with the conveying pipeline, the support plate 7, the fixed ring 6 and the valve casting body 1 are supported by the elastic force of the spring 10, when conveying liquid, when the liquid pressure impacts the valve casting body 1 to generate vibration, the valve casting body 1 is driven to move up and down by the expansion and contraction of the metal bellows 2, at the same time, the vibration force is transmitted to the support plate 7 through the fixed ring 6, the support shaft 9 and the limiting sliding block 12 are driven to slide downward along the inner wall of the fixed cylinder 8 and the inner wall of the limiting sliding groove 11 to extrude the spring 10, at the same time, the transmission shaft 14 and the rubber damping block 15 are driven to slide longitudinally along the inner wall of the limiting cylinder 13, at the same time, the piston rod 17 and the piston plate 18 are driven to slide longitudinally along the inner wall of the hydraulic cylinder 16 to extrude the damping liquid, the damping liquid circulates through the through hole 19, through the reaction force of the damping liquid after extrusion and the friction force generated by the sliding of the rubber damping block 15, cooperate with the resilience of the spring 10, that is, the vibration force generated by the valve casting body 1 can be reduced and offset work.

[0025] In summary, the anti-seismic deformation valve casting, through a plurality of connecting flange 3 and metal bellows 2 cooperation bolt valve casting body 1 is installed in the conveying pipeline, when the liquid pressure impact valve casting body 1 generates vibration, vibration force through the fixed ring 6 is transmitted to the support plate 7, the movement of support plate 7 drive elastic support mechanism, friction damping mechanism and hydraulic damping assembly lifting movement, through the hydraulic damping assembly extruded after the reaction force and friction damping mechanism sliding when the friction force, with the resilience of elastic support mechanism, that is, the vibration generated by the valve casting body 1 can be reduced offset work, to achieve the goal of facilitating the use of the valve casting received by the vibration damping work, to avoid the deformation of the flange connection due to the valve for a long time after the vibration, the valve damage leakage problem, for solving the problems raised in the above background art.

[0026] It should be noted that in this paper, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0027] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An earthquake resistant and deformation resistant valve casting comprising a valve casting body (1), characterized in that, The valve casting body (1) is fixedly connected with a metal bellows (2), the metal bellows (2) is fixedly connected with a connecting flange (3), the connecting flange (3) is fixedly connected with a sealing gasket (4), the connecting flange (3) is fixedly connected with a chassis (5), the valve casting body (1) is fixedly connected with a fixed ring (6), the fixed ring (6) is fixedly connected with a support plate (7), the chassis (5) is provided with an elastic support mechanism, the chassis (5) is provided with a limiting assembly, the chassis (5) is provided with a friction damping mechanism, and the chassis (5) is provided with a hydraulic damping assembly.

2. The shock resistant, deformation resistant valve casting of claim 1, wherein, The elastic support mechanism is composed of a fixed cylinder (8), a support shaft (9) and a spring (10), the fixed cylinder (8) is fixedly connected with the inner wall of the chassis (5), the support shaft (9) is slidably connected with the inner wall of the fixed cylinder (8), and the top end of the support shaft (9) is fixedly connected with the bottom surface of the support plate (7), the spring (10) is fixedly connected with the inner wall of the chassis (5), and the spring (10) is fixedly connected with the bottom surface of the support plate (7).

3. The shock resistant, deformation resistant valve casting of claim 2, wherein, The limiting assembly is composed of a limiting sliding groove (11) and a limiting sliding block (12), the limiting sliding groove (11) is formed in the inner wall of the fixed cylinder (8), and the limiting sliding block (12) is slidably connected with the inner wall of the limiting sliding groove (11), and the inner wall of the limiting sliding block (12) is fixedly connected with the surface of the support shaft (9).

4. The shock resistant, deformation resistant valve casting of claim 1, wherein, The friction damping mechanism is composed of a limiting cylinder (13), a transmission shaft (14) and a rubber damping block (15), the limiting cylinder (13) is fixedly connected with the inner wall of the chassis (5), the transmission shaft (14) is slidably connected with the inner wall of the limiting cylinder (13), and the top end of the transmission shaft (14) is fixedly connected with the bottom surface of the support plate (7), the rubber damping block (15) is fixedly connected with the bottom end of the transmission shaft (14), and the surface of the rubber damping block (15) is slidably connected with the inner wall of the limiting cylinder (13).

5. The shock resistant, deformation resistant valve casting of claim 1, wherein, The hydraulic damping assembly is composed of a hydraulic oil cylinder (16), a piston rod (17), a piston plate (18) and a through hole (19), the hydraulic oil cylinder (16) is fixedly connected with the inner wall of the chassis (5), the piston rod (17) is slidably connected with the inner wall of the hydraulic oil cylinder (16), and the top end of the piston rod (17) is fixedly connected with the bottom surface of the support plate (7), the inner wall of the piston plate (18) is fixedly connected with the surface of the piston rod (17), and the surface of the piston plate (18) is slidably connected with the inner wall of the hydraulic oil cylinder (16), and the through hole (19) is formed in the top surface of the piston plate (18).

6. The shock resistant, deformation resistant valve casting of claim 1, wherein, The chassis (5) is rectangular, and the chassis (5) is made of metal material.

7. The shock resistant, deformation resistant valve casting of claim 2, wherein, The number of the spring (10) is multiple, and the multiple springs (10) are symmetrically arranged with the front vertical centerline of the chassis (5) as the axis of symmetry.

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