Misoperation-preventing stainless steel ball valve
Technical Field
The utility model relates to the technical field of stainless steel ball valves, in particular to a misoperation-preventing stainless steel ball valve.
Background
The ball valve can cut off and distribute flow and is widely used in industries such as water conservancy, electric power and municipal administration, and the stainless steel ball valve is one kind of ball valve, such as a stainless steel ball valve with a publication number of CN203384408U, and belongs to the field of valves. The existing copper ball valve is high in processing difficulty and high in overall cost. The utility model comprises a valve body, a switch control mechanism and a steel ball provided with a medium channel, wherein the switch control mechanism comprises a switch shell and a valve rod arranged in the inner cavity of the switch shell, the valve body is of a split assembly type structure and comprises a stainless steel valve body pipe, two steel ball seats and two stainless steel valve body sleeves, and two ends of the valve body pipe are provided with shrinkage parts with gradually reduced diameters; the steel ball seat is provided with a valve hole, the valve body sleeve is sleeved outside the steel ball seat, the steel ball seat is respectively arranged at two ends of the valve body pipe, and the valve body pipe is welded with the outer surface of the valve body sleeve; the steel ball is arranged between the two steel ball seats, and the opening parts of the two ends of the channel on the steel ball are opposite to the valve holes on the two steel ball seats; the valve body tube is provided with an opening, the opening is provided with a switch shell, the inner cavity of the switch shell is communicated with the valve cavity through the opening, and the valve rod passes through the opening to be connected with the steel ball;
the device in above-mentioned application has practiced thrift the cost when using, but it does not have the function of preventing the maloperation when using, when the valve body switch was touched by the staff mistake, the circumstances of probably taking place the rotation can influence the use of valve body, has brought unnecessary trouble.
Aiming at the problems, innovative design is urgently needed on the basis of the original stainless steel ball valve.
Disclosure of Invention
The utility model aims to provide an incorrect operation-preventing stainless steel ball valve, which solves the problems that the valve body switch is not provided with an incorrect operation-preventing function in the prior art, and the valve body switch is possibly rotated when being touched by a worker by mistake, so that the use of the valve body is affected and unnecessary trouble is brought.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the stainless steel ball valve comprises a valve body, wherein a ball body is rotationally connected inside the valve body, a connecting shaft is fixedly arranged on the upper surface of the ball body, and a handle is fixedly arranged on the upper surface of the connecting shaft;
an anti-misoperation stainless steel ball valve, further comprising:
the fixed block is fixedly arranged on the side face of the valve body, the middle part of the valve body is in a convex shape, the inside of the fixed block is rotationally connected with a long pin, and the upper surface of the valve body is fixedly provided with a joint block;
and the limiting rod is fixedly arranged on the surface of the long pin.
Preferably, the surface of the handle is provided with a limit groove corresponding to the limit rod, the limit groove is distributed on the surface of the handle at equal angles, and a third magnet is fixedly arranged on the inner wall of the handle.
Preferably, the second magnet corresponding to the third magnet is fixedly arranged in the limiting rod, the magnetic poles of the second magnet and the adjacent positions of the third magnet are opposite, and the limiting rod stays in the limiting groove stably under the action of the mutual attraction magnetic force of the second magnet and the third magnet, so that the stability of the limiting rod during working is improved.
Preferably, the inside fixed mounting of overlap joint piece have with the first magnet that the second magnet corresponds, and the magnetic pole of second magnet lower surface with the magnetic pole of first magnet upper surface is opposite, when needs use the valve body, pulls the gag lever post, makes the gag lever post rotate 90 to the position of keeping away from the handle, and the second magnet is close to first magnet this moment, and then the gag lever post is under first magnet and second magnet mutual attraction magnetic force and self gravity effect, and stable stay is on the overlap joint piece, and the handle no longer is blocked this moment, and then the staff can rotate the handle.
Preferably, the left and right sides of connecting axle are all fixed mounting has the stopper, and the stopper with the valve body is swing joint, and when the handle was rotatory, it is rotatory to drive the connecting axle synchronization, and the stopper makes the rotatory more stable of connecting axle.
Preferably, the fixed block is distributed about the center symmetry of the valve body, the surface of the fixed block is concave, the through hole is formed in the surface of the sphere, after the connecting shaft is rotated by 90 degrees by a worker, the through hole does not block the valve body, the valve body can work normally at the moment, the worker can rotate the limiting rod to the original position again, at the moment, the limiting rod can enter the corresponding limiting groove, the handle is clamped again, the situation that the handle is not rotated when being touched by mistake is avoided, the occurrence of misoperation is avoided, and the stability of the device in the working process is improved.
Compared with the prior art, the utility model has the beneficial effects that: the misoperation-preventing stainless steel ball valve adopts a novel structural design, and comprises the following specific contents:
(1) According to the misoperation-preventing stainless steel ball valve, the limiting rod is located in the limiting groove at the beginning, at the moment, the handle cannot automatically rotate, meanwhile, when the handle is touched by mistake, the handle cannot rotate, the stability of the device in operation is improved, the limiting rod stays in the limiting groove stably under the action of the mutual attraction magnetic force of the second magnet and the third magnet, and the stability of the limiting rod in operation is improved;
(2) This prevent maloperation's stainless steel ball valve, when needs use the handle, pulling the gag lever post, make the gag lever post rotate 90 towards the position of keeping away from the handle, this moment second magnet is close to first magnet, and then the gag lever post is under first magnet and the mutual magnetic force of second magnet and self gravity effect, stable stay is on the overlap piece, this moment the handle no longer blocked, and then the staff can rotate the handle, after the staff rotates 90 with the connecting axle, the through-hole no longer blocks the valve body, the valve body can normally work this moment, and then the staff gyration with the gag lever post to the normal position can, the gag lever post can enter into corresponding spacing inslot this moment, make the handle blocked once more, make when the handle is touched by mistake, the condition of also can not take place the rotation, the emergence of maloperation condition has been avoided, the stability of device during operation has been improved.
Drawings
FIG. 1 is a schematic diagram of a valve body of the present utility model in a front cross-sectional configuration;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of the attachment of the present utility model to a retaining block and long pin;
FIG. 4 is a schematic diagram of a distribution state of a limiting groove according to the present utility model;
FIG. 5 is a schematic diagram of the structure of the sphere of the present utility model in a front cross-section in its working state;
fig. 6 is an enlarged view of the structure of fig. 5B according to the present utility model.
In the figure: 1. a valve body; 2. a sphere; 3. a through hole; 4. a connecting shaft; 5. a limiting block; 6. a splicing block; 7. a first magnet; 8. a fixed block; 9. a long pin; 10. a handle; 11. a limit rod; 12. a second magnet; 13. a limit groove; 14. and a third magnet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides an anti-misoperation's stainless steel ball valve, includes valve body 1, and the inside rotation of valve body 1 is connected with spheroid 2, and the upper surface of spheroid 2 is fixed mounting has connecting axle 4, and the upper surface of connecting axle 4 is fixed mounting has handle 10;
an anti-misoperation stainless steel ball valve, further comprising:
the fixed block 8 is fixedly arranged on the side surface of the valve body 1, the middle part of the valve body 1 is in a protruding shape, the inside of the fixed block 8 is rotationally connected with a long pin 9, and the upper surface of the valve body 1 is fixedly provided with a joint block 6;
the limiting rod 11, limiting rod 11 fixed mounting is at the surface of long round pin 9, and the spacing groove 13 that corresponds with limiting rod 11 is seted up on the surface of handle 10, and spacing groove 13 equiangular distribution on the surface of handle 10 to fixed mounting has third magnet 14 on the inner wall of handle 10, and the inside fixed mounting of limiting rod 11 has the second magnet 12 that corresponds with third magnet 14, and the magnetic pole of second magnet 12 and the adjacent position of third magnet 14 is opposite.
Initially, the stop lever 11 stably stays in the inside of the stop groove 13 under the interaction magnetic force of the second magnet 12 and the third magnet 14, the handle 10 cannot automatically rotate at the moment, and meanwhile, when the handle 10 is touched by mistake, the handle cannot rotate, so that the occurrence of misoperation is avoided, and the stability of the device during working is improved.
The inside fixed mounting of overlap joint piece 6 has the first magnet 7 that corresponds with second magnet 12, and the magnetic pole of second magnet 12 lower surface is opposite with the magnetic pole of first magnet 7 upper surface, and the left and right sides of connecting axle 4 is all fixed mounting has stopper 5, and stopper 5 and valve body 1 are swing joint, and the center symmetry of fixed block 8 about valve body 1 distributes, and the surface of fixed block 8 is concave type, and through-hole 3 has been seted up on the surface of spheroid 2.
When the handle 10 is needed to be used, the limiting rod 11 is pulled, the limiting rod 11 rotates 90 degrees to a position far away from the handle 10, at the moment, the second magnet 12 is close to the first magnet 7, and then the limiting rod 11 stably stays on the overlap block 6 under the action of the mutual attraction magnetic force of the first magnet 7 and the second magnet 12 and self gravity, the overlap block 6 is matched with the handle 10 (the rotation angle of the limiting rod 11 is limited), at the moment, the handle 10 is not clamped, and then a worker can rotate the handle 10, after the worker rotates the connecting shaft 4 by 90 degrees, the ball body 2 is not blocked the valve body 1, the valve body 1 can normally work through the through hole 3, and then the worker rotates the limiting rod 11 to the original position again, at the moment, the limiting rod 11 can enter the corresponding limiting groove 13, so that the handle 10 is clamped again, and when the handle 10 is touched by mistake, the occurrence of the misoperation condition is avoided.
The above is the working process of the whole device, and what is not described in detail in this specification belongs to the prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.