CN217207839U

CN217207839U - High-pressure stainless steel ball valve

Info

Publication number: CN217207839U
Application number: CN202220250076.XU
Authority: CN
Inventors: 崔文强; 王猛
Original assignee: Shanghai Biaoding Valve Co Ltd
Current assignee: Shanghai Biaoding Valve Co Ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-08-16
Anticipated expiration: 2032-02-07

Abstract

The utility model discloses a high-pressure stainless steel ball valve, including the valve body of stainless steel material, the top of valve body is fixed with the n-shaped plate, the same valve rod is connected with through the bearing rotation on valve body and the n-shaped plate, the bottom of valve rod extends into the valve body, and the rigid coupling has the case, case movable mounting is in the inside of valve body, the both sides of case all are equipped with the sealing ring of fixing in the valve body inboard, this high-pressure stainless steel ball valve, different from prior art, in its high-pressure stainless steel ball valve's use, can utilize the effect of integral key shaft, stopper, spline housing, spring, movable fluted disc, fixed fluted disc, spanner, can be when two pipelines are set up side by side, and after all installing this ball valve on the same position of two pipelines, the spanner of its two ball valves can not appear the phenomenon of interfering in the rotation process, then bring convenience to the switch of ball valve, meanwhile, the clamping action of the movable fluted disc and the fixed fluted disc ensures that the valve rod can not easily rotate under the rotation action without external force.

Description

High-pressure stainless steel ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a high-pressure stainless steel ball valve.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.

At present, the confluence of ball valve as a control medium, the reposition of redundant personnel, and the conventional switch instrument of the switching in-process of flow direction, it is in the use, especially need be close to under the prerequisite that sets up side by side at two pipelines, and all install the ball valve back on the same position of two pipelines simultaneously, the phenomenon of interference can consequently appear in the rotation in-process to the spanner on two ball valves, then can bring inconvenience for the on-off operation of ball valve, secondly, generally adopt the sealing washer to the case, the junction of valve body seals, but sealing washer and case, the junction of valve body still has the gap, make the valve be in the closure state, still can lead to sealed effect not good, for this reason, we propose a high pressure stainless steel ball valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure stainless steel ball valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure stainless steel ball valve comprises a valve body made of stainless steel, wherein an n-shaped plate is fixed at the top end of the valve body, the valve body and the n-shaped plate are rotatably connected with a same valve rod through a bearing, the bottom end of the valve rod extends into the valve body and is fixedly connected with a valve core, the valve core is movably arranged in the valve body, sealing rings fixed on the inner side of the valve body are arranged on two sides of the valve core, the top end of the valve rod extends to the top of the n-shaped plate, and a spline shaft is fixedly connected with the top end of the valve rod;

the top of integral key shaft is fixed with the stopper, and the outside of integral key shaft still slides the cover and is equipped with the spline housing, is equipped with the cover between the top of spline housing and the bottom of stopper and establishes the spring in the integral key shaft outside, and the outside rigid coupling of spline housing has movable fluted disc, and the outside of valve rod is connected with fixed fluted disc through the bearing rotation, and fixed fluted disc is fixed on the top of n shaped plate, and the outside rigid coupling of spline housing has the spanner, and the looks block between fixed fluted disc and the movable fluted disc is connected with sealed reinforcement mechanism between valve rod and the n shaped plate.

Preferably, a filter screen is fixed at the water inlet in the valve body, and the sealing ring is made of rubber.

Preferably, the sealing and reinforcing mechanism comprises a gear fixedly connected to the outer side of the valve rod, and racks are connected to two sides of the gear in a meshed mode.

Preferably, sliding sleeves are fixed on the two opposite side walls of the racks, two symmetrical sliding rods are fixed on the inner side wall of the n-shaped plate, and the sliding sleeves are sleeved on the outer sides of the corresponding sliding rods in a sliding manner.

Preferably, the two side walls of the n-shaped plate are respectively fixed with a fixed cylinder, the inner part of each fixed cylinder is connected with a piston plate in a sliding and sealing mode, the opposite ends of the two piston plates are respectively fixed with a piston rod, and the opposite ends of the two piston rods respectively penetrate through the n-shaped plate in a sliding mode and are connected with one end of the corresponding rack.

Preferably, O-shaped air bags are fixed on the inner side walls of the two sealing rings, connecting pipes are connected to the air inlet and outlet of the two fixing cylinders, and the other ends of the connecting pipes extend into the valve body and are connected with the corresponding air inlet and outlet of the O-shaped air bags.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is different from the prior art, when two pipelines are arranged side by side and the ball valve is arranged on the same position of the two pipelines, the wrenches of the two ball valves can not generate interference phenomenon in the rotation process by utilizing the functions of the spline shaft, the limiting block, the spline sleeve, the spring, the movable fluted disc, the fixed fluted disc and the wrench, thereby bringing convenience to the opening and closing of the ball valve, meanwhile, the clamping action of the movable fluted disc and the fixed fluted disc ensures that the valve rod can not easily rotate under the rotation action of no external force, secondly, the sealing reinforcing mechanism is utilized, when the valve rod rotates clockwise, the gear is driven to rotate, and the arrangement of a plurality of corresponding parts is matched, then two O-shaped air bags expand simultaneously, and the action of the sealing ring is matched, so that the valve body is in the closing state, can strengthen the leakproofness of junction between case and two sealing rings for sealed effect is better.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the valve body of the present invention;

fig. 3 is the utility model discloses sealing strengthening mechanism middle part expandes the structure sketch map.

In the figure: 1. a valve body; 2. an n-shaped plate; 3. a valve stem; 31. a valve core; 4. a seal ring; 5. a spline shaft; 51. a limiting block; 52. a spline housing; 53. a spring; 54. a movable fluted disc; 55. fixing a gear disc; 56. a wrench; 6. filtering with a screen; 7. a sealing and reinforcing mechanism; 701. a gear; 702. a rack; 703. a sliding sleeve; 704. a slide bar; 705. a fixed cylinder; 706. a piston plate; 707. a piston rod; 708. a connecting pipe; 709. an O-shaped air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-pressure stainless steel ball valve comprises a valve body 1 made of stainless steel, wherein an n-shaped plate 2 is fixed at the top end of the valve body 1, the valve body 1 and the n-shaped plate 2 are rotatably connected with a same valve rod 3 through a bearing, the bottom end of the valve rod 3 extends into the valve body 1 and is fixedly connected with a valve core 31, the valve core 31 is movably arranged inside the valve body 1, sealing rings 4 fixed on the inner sides of the valve body 1 are arranged on two sides of the valve core 31, the top end of the valve rod 3 extends to the top of the n-shaped plate 2, and is fixedly connected with a spline shaft 5;

the top of integral key shaft 5 is fixed with stopper 51, integral key shaft 5's the outside is still slip the cover and is equipped with spline housing 52, be equipped with the spring 53 that the cover was established in the integral key shaft 5 outside between spline housing 52's the top and the bottom of stopper 51, spline housing 52's the outside rigid coupling has movable fluted disc 54, the outside of valve rod 3 is connected with fixed fluted disc 55 through the bearing rotation, fixed fluted disc 55 is fixed on n shaped plate 2's top, spline housing 52's the outside rigid coupling has spanner 56, block mutually between fixed fluted disc 55 and the movable fluted disc 54, spline housing 52 can slide in the integral key shaft 5 outside, otherwise, integral key shaft 5 can drive spline housing 52 and rotate when rotating.

Further, the inside water inlet department of valve body 1 is fixed with filter screen 6, and sealing ring 4 is the rubber material, and filter screen 6 can filter the rivers impurity that enters into the inside of valve body 1.

Furthermore, a sealing reinforcing mechanism 7 is connected between the valve rod 3 and the n-shaped plate 2, the sealing reinforcing mechanism 7 includes a gear 701 fixedly connected to the outer side of the valve rod 3, two sides of the gear 701 are respectively engaged with a rack 702, a sliding sleeve 703 is fixed on one side wall of each of the two racks 702 opposite to each other, two symmetrical sliding rods 704 are fixed on the inner side wall of the n-shaped plate 2, the sliding sleeves 703 are respectively slidably sleeved on the outer sides of the corresponding sliding rods 704, and the racks 702 are slidably arranged on the corresponding sliding rods 704 through the sliding sleeves 703.

Further, all be fixed with fixed cylinder 705 on the both sides wall of n shaped plate 2, the equal sliding seal in inside of fixed cylinder 705 is connected with piston plate 706, the one end that two piston plates 706 subtend all is fixed with piston rod 707, the one end that two piston rod 707 subtend all slides and runs through n shaped plate 2, and link to each other with the rack 702 one end that corresponds, all be fixed with O shape gasbag 709 on the inside wall of two sealing rings 4, the gas inlet and outlet department of two fixed cylinders 705 all is connected with connecting pipe 708, the other end of connecting pipe 708 all extends to inside the valve body 1, and link to each other with the O shape gasbag business turn over gas port department that corresponds, after the inflation of O shape gasbag 709, can consolidate the sealing ring 4 and the swing joint department of case 31 and seal, improve sealed effect.

In the scheme, when the wrench 56 is required to be used for a long time, the wrench 56 can be lifted up, the spline housing 52 is driven to slide upwards outside the spline shaft 5, the spring 53 is compressed, meanwhile, the movable fluted disc 54 is separated from the clamping state with the fixed fluted disc 55, the wrench 56 is pulled clockwise, the valve core 31 connected with the valve rod 3 can be driven to rotate, the closing state of the valve body 1 is realized, through the arrangement, the ball valve can be suitable for the parallel arrangement of two pipelines, and after the ball valve is arranged at the same position of the two pipelines, the interference phenomenon can not occur in the rotation process of the wrenches 56 of the two ball valves, the convenience is brought to the opening and closing of the ball valve, moreover, the clamping effect of the movable fluted disc 54 and the fixed fluted disc 55 is utilized, the valve rod 3 can not easily rotate under the action of no external force, in addition, when the valve rod 3 rotates clockwise, the gear 701 is driven to rotate, so that the gear 701 transmits the racks 702 on two sides, then the piston rod 707 connected with one end of each rack 702 can push the corresponding piston plate 706 to extrude the air in the corresponding fixed cylinder 705 to the corresponding O-shaped air bag 709, so that the two O-shaped air bags 709 expand, then the sealing rings 4 are matched, so that the valve body 1 is in a closed state, the sealing performance of the joint between the valve core 31 and the two sealing rings 4 can be enhanced, and the sealing effect is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure stainless steel ball valve, includes stainless steel's valve body (1), its characterized in that: an n-shaped plate (2) is fixed at the top end of the valve body (1), the valve body (1) and the n-shaped plate (2) are rotatably connected with the same valve rod (3) through a bearing, the bottom end of the valve rod (3) extends into the valve body (1) and is fixedly connected with a valve core (31), the valve core (31) is movably installed inside the valve body (1), sealing rings (4) fixed on the inner side of the valve body (1) are arranged on two sides of the valve core (31), the top end of the valve rod (3) extends to the top of the n-shaped plate (2), and is fixedly connected with a spline shaft (5);

the top of integral key shaft (5) is fixed with stopper (51), the outside of integral key shaft (5) is still slided the cover and is equipped with spline housing (52), be equipped with between the top of spline housing (52) and the bottom of stopper (51) and establish spring (53) in integral key shaft (5) outside, the outside rigid coupling of spline housing (52) has movable fluted disc (54), the outside of valve rod (3) is connected with fixed fluted disc (55) through bearing rotation, the top in n shaped plate (2) is fixed on fixed fluted disc (55), the outside rigid coupling of spline housing (52) has spanner (56), looks block between fixed fluted disc (55) and the movable fluted disc (54), be connected with between valve rod (3) and n shaped plate (2) and seal reinforcement mechanism (7).

2. A high pressure stainless steel ball valve according to claim 1, wherein: a filter screen (6) is fixed at the water inlet inside the valve body (1), and the sealing ring (4) is made of rubber.

3. A high pressure stainless steel ball valve according to claim 1, wherein: the sealing and reinforcing mechanism (7) comprises a gear (701) fixedly connected to the outer side of the valve rod (3), and racks (702) are meshed with the two sides of the gear (701) respectively.

4. A high pressure stainless steel ball valve according to claim 3, wherein: sliding sleeves (703) are fixed on the two opposite side walls of the racks (702), two symmetrical sliding rods (704) are fixed on the inner side wall of the n-shaped plate (2), and the sliding sleeves (703) are sleeved on the outer sides of the corresponding sliding rods (704) in a sliding manner.

5. A high pressure stainless steel ball valve according to claim 4, wherein: all be fixed with fixed cylinder (705) on the both sides wall of n shaped plate (2), the inside of fixed cylinder (705) all slides sealing connection and has piston plate (706), two piston plate (706) one end that subtends all is fixed with piston rod (707), two the one end that the piston rod (707) subtends all slides and runs through n shaped plate (2) to link to each other with corresponding rack (702) one end.

6. A high pressure stainless steel ball valve according to claim 5, wherein: two all be fixed with O shape gasbag (709) on the inside wall of sealing ring (4), two the business turn over gas port department of solid fixed cylinder (705) all is connected with connecting pipe (708), and the other end of connecting pipe (708) all extends to valve body (1) inside to it links to each other with O shape gasbag (709) business turn over gas port department that corresponds.