Disclosure of utility model
The utility model provides a novel valve, which aims to solve the technical problems that the overcurrent and overvoltage protection device and the backflow prevention protection device of various valves are different, so that the process is complicated and complicated when the various valves are installed.
The technical scheme adopted by the utility model is as follows:
A novel valve comprises a valve body main body, wherein one end of the valve body main body is connected with a liquid inlet pipe, a liquid through space is arranged in the liquid inlet pipe, a support is arranged in the liquid through space, one end of the support is communicated to the outside of the liquid inlet pipe, the other end of the support is communicated with the valve body main body, a sealing component can be moved along the length direction of the support through sliding connection of a sliding mechanism, through holes for gas and liquid to pass through are respectively formed in two ends of the support in the length direction, two ends of the sealing component are matched with the through holes, and a restoring structure for enabling the sealing component to return is arranged between the sealing component and the through holes.
Preferably, the support comprises an upper top plate and a lower top plate, the upper top plate and the lower top plate are connected through a plurality of limiting columns, the limiting columns are uniformly spaced to form a ring shape, the sealing parts are sleeved on the inner sides of all the limiting columns, the sliding mechanism is arranged between the sealing parts and a single limiting column, and the through holes are formed in the middle of the upper top plate and the middle of the lower top plate.
Preferably, the sealing component comprises an ellipsoidal sliding component, sealing plugs are respectively arranged at the upper end and the lower end of the ellipsoidal sliding component, and sealing grooves sealed with conical surfaces of the sealing plugs are arranged at the inner ends of the through holes.
Preferably, the restoring structure comprises a conical spring arranged between the sealing groove and the sealing plug, the conical tip of the conical spring is sleeved on the outer side of the sealing plug and fixedly connected with the sealing plug, and the other end of the conical spring is fixedly connected with the bottom of the upper top plate.
Preferably, the sliding mechanism comprises a plurality of sliding wheels arranged at the horizontal top of the ellipsoidal sliding piece, the sliding wheels are vertically and equidistantly arranged on the outer surface of the ellipsoidal sliding piece, and grooves matched with the side surfaces of the limiting columns are formed in the outer side surfaces of the sliding wheels.
Preferably, the valve body is a stop valve body.
Preferably, the valve body is a gate valve body.
Preferably, the valve body is a ball valve body.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. When the excessive pressure liquid flows, the reverse acting force of the return structure enables the sealing part to close the through hole close to the valve body main body, so that the excessive pressure liquid is prevented from directly rushing into the valve body main body, and the valve body main body is prevented from being damaged; when the liquid diversion condition occurs, the reverse acting force of the return structure enables the sealing component to close the through hole far away from the valve body main body, so that an effective diversion prevention effect is achieved.
2. The utility model directly integrates two functions of overcurrent and overvoltage protection and backflow prevention protection, can be installed in corresponding valves at one time, does not need to be installed for multiple times, and has simple installation process;
3. The device can be installed and used for different valve body main bodies, and has strong universality.
Drawings
The utility model will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic view showing the internal structure of a bracket according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the novel valve when the valve body is a stop valve body;
FIG. 3 is a cross-sectional view of the cross-section A of FIG. 1;
FIG. 4 is an enlarged view of a portion B of FIG. 1;
FIG. 5 is a schematic view showing the internal structure of a novel valve when the valve body is a gate valve body;
fig. 6 is a schematic diagram of the internal structure of the novel valve when the valve body is a ball valve body.
The device comprises a 1-liquid inlet pipe, a 2-liquid passing space, a 3-bracket, a 4-through hole, a 5-upper top plate, a 6-lower top plate, a 7-limit column, an 8-ellipsoidal sliding piece, a 9-sealing plug, a 10-sealing groove, an 11-conical spring, a 12-sliding wheel, a 13-groove, a 14-stop valve body, a 15-gate valve body and a 16-ball valve body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only one-piece embodiments of the present application, not all-piece embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
In describing embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The present utility model is described in detail below with reference to fig. 1 to 6.
Examples:
In some embodiments, as shown in fig. 1-6, one end of a valve body main body is connected with a liquid inlet pipe 1, a liquid through space 2 is arranged in the liquid inlet pipe 1, a support 3 is arranged in the liquid through space 2, one end of the support 3 is communicated to the outside of the liquid inlet pipe 1, the other end of the support is communicated with the valve body main body, a sealing component capable of moving along the length direction of the support 3 is slidably connected in the support 3 through a sliding mechanism, through holes 4 for gas and liquid to pass through are respectively arranged at two ends of the support 3 in the length direction, two ends of the sealing component are matched with the through holes 4, and a restoring structure for enabling the sealing component to return is arranged between the sealing component and the through holes 4.
When the liquid flows reversely and passes through the liquid inlet pipe 1 reversely, the reverse acting force of the return structure is overcome by the liquid, so that the sealing part is closed close to the through hole 4 of the valve body main body, the damage of the valve body main body caused by the direct flushing of the liquid into the valve body main body is avoided, and the effective diversion prevention effect is achieved. The device directly integrates two functions of overcurrent and overvoltage protection and backflow prevention protection, can be installed in corresponding valves at one time without multiple installation, is simple in installation process, and can be installed and used for different valve body main bodies, and is high in universality.
In some embodiments, as shown in fig. 1, the bracket 3 includes an upper top plate 5 and a lower top plate 6, the upper top plate 5 and the lower top plate 6 are connected through a plurality of limiting columns 7, the limiting columns 7 are uniformly spaced to form a ring shape, the sealing component is sleeved on the inner sides of all the limiting columns 7, the sliding mechanism is arranged between the sealing component and a single limiting column 7, and the through hole 4 is arranged in the middle of the upper top plate 5 and the lower top plate 6.
When the sealing device is specifically used, a liquid passing channel is formed between two adjacent limiting columns 7, and the sealing component slides on the inner sides of all the limiting columns 7 through the sliding mechanism and respectively seals the through holes 4 of the upper top plate 5 or the through holes 4 of the lower top plate 6 under corresponding different conditions, so that different effects are achieved.
In some embodiments, as shown in fig. 1-2, the sealing component includes an ellipsoidal sliding piece 8, sealing plugs 9 are respectively disposed at the upper and lower ends of the ellipsoidal sliding piece 8, and sealing grooves 10 sealed with conical surfaces of the sealing plugs 9 are disposed at inner ends of the through holes 4.
When the sealing device is particularly used, the sealing plug 9 is matched with the sealing groove 10, so that the corresponding through hole 4 is sealed.
In some embodiments, as shown in fig. 1-2, the restoring structure includes a conical spring 11 disposed between the sealing groove 10 and the sealing plug 9, a conical tip of the conical spring 11 is sleeved on the outer side of the sealing plug 9 and is fixedly connected with the sealing plug 9, and the other end of the conical spring 11 is fixedly connected with the bottom of the upper top plate 5.
When the valve is specifically used, the conical spring 11 is used for realizing the homing of the sealing component so as to ensure the valve body to work in a normal state, and in addition, the elastic coefficient of the conical spring 11 close to the valve body corresponds to the corresponding overcurrent and overvoltage standard of the valve body, and the elastic coefficient of the conical spring 11 far away from the valve body corresponds to the pressure of the backflow liquid.
In some embodiments, as shown in fig. 1 to 4, the sliding mechanism includes a plurality of sliding wheels 12 disposed at the horizontal top of the ellipsoidal sliding member 8, the sliding wheels 12 are vertically and equidistantly arranged on the outer surface of the ellipsoidal sliding member 8, and a groove 13 matched with the side surface of the limit post 7 is disposed on the outer side surface of the sliding wheel 12.
In specific use, the sliding of the ellipsoidal slider 8 is realized by the cooperation of the sliding wheel 12 and the groove 13.
In other embodiments, as shown in FIG. 2, the valve body employs a shut-off valve body 14, thereby making the device suitable for use in a shut-off valve use scenario, as a shut-off valve.
In other embodiments, as shown in fig. 5, the valve body employs a gate valve body 15, thereby making the device suitable for use in a gate valve application scenario, as a gate valve.
In other embodiments, as shown in FIG. 6, the valve body employs a ball valve body 16, thereby making the device suitable for use in a ball valve service scenario, as a ball valve.
The specific use principle is as follows:
When the over-flow over-pressure liquid passes through the liquid inlet pipe 1 in the forward direction, the over-flow over-pressure liquid overcomes the reverse acting force of the recovery structure to enable the sealing part to close the through hole 4 close to the valve body main body, so that the over-flow over-pressure liquid is prevented from directly rushing into the valve body main body to damage the valve body main body, and when the liquid flows back and passes through the liquid inlet pipe 1 in the reverse direction, the reverse acting force of the recovery structure is overcome by the liquid to enable the sealing part to close the through hole 4 far away from the valve body main body, so that the effective flow-guiding prevention effect is achieved. The device directly integrates two functions of overcurrent and overvoltage protection and backflow prevention protection, can be installed in corresponding valves at one time without multiple installation, is simple in installation process, and can be installed and used for different valve body main bodies, and is high in universality.
The above examples merely illustrate specific embodiments of the application, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the application, which fall within the scope of protection of the application.