Sealing assembly and hydraulic gate valveTechnical Field
The utility model relates to the field of hydraulic gate valves, in particular to a sealing assembly and a hydraulic gate valve.
Background
The hydraulic gate valve is a valve for controlling the movement of a valve core through hydraulic pressure and mainly comprises a valve body, a valve seat, a valve cover, a valve rod, a valve plate, a guide sleeve, a hydraulic actuating mechanism and the like. Has various functions of controlling the flow of the medium, etc. The hydraulic gate valve is characterized in that a fluid hole is formed in one half of the area of one end of the gate plate, annular valve seats are arranged on two sides of the gate plate, and through up-and-down movement of the gate plate in the valve body and sealing of the valve seats, when the gate plate moves to the state that the fluid hole is communicated with the valve seat inner ring, fluid can flow through the gate valve, and when the gate plate moves to the state that the fluid hole is not communicated with the valve seat inner ring, the fluid cannot pass through the gate valve.
In the prior art, a valve ring is often made of metal materials, and the metal valve ring has good wear resistance, strong corrosion resistance and longer service life.
However, in the cooperation connection of the valve seat and the valve plate, because both are metal materials, the abrasion generated by mutual friction is unavoidable, and the intensity of the abrasion between the valve seat and the valve plate is similar, so that the abrasion is caused to a certain extent, when the fluid can seep out from between the valve plate and the valve ring to cause the failure of the gate valve, the valve plate and the valve seat must be replaced at the same time for maintaining the gate valve, and the maintenance cost of the gate valve is increased.
Disclosure of Invention
The utility model aims to provide a sealing assembly and a hydraulic gate valve, which are used for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a seal assembly, comprising: the valve seat and the sealing washer, disk seat sliding connection is in the disk seat groove, and the one end of disk seat supports on the surface of valve plate, the one end that the valve plate was kept away from to the disk seat is provided with the spring, and the sealing ring snare is established on the surface of cable, and the top of cable is installed on the thing networking module, and the bottom of cable is installed on the sensor.
Preferably, the valve seat grooves are provided with two groups, the valve seat grooves are formed in the inner wall of the valve plate groove, the two groups of valve seat grooves are symmetrically distributed with respect to the valve plate groove, the groove body of the valve seat groove is of an annular structure, the valve seat grooves are slidably connected with the base plates, the base plates are of annular cylinder structures, one ends of the base plates are fixed on the surface of the valve seat, and the other ends of the base plates are uniformly fixed with four groups of springs.
Preferably, the spring is in a compressed state, the spring is movably inserted into the spring groove, and the spring groove is formed in the inner wall of one end, far away from the valve plate groove, of the valve seat groove.
Preferably, the valve plate is slidably connected in a valve plate groove, the valve plate groove is formed in the surface of the valve body, the top end of the valve body is fixed with a valve cover, and the surface of the valve plate is provided with a fluid hole.
Preferably, the sensor groove has been seted up to the bottom of valve gap, and the cable hole has been seted up on the top of valve gap, and the bottom and the sensor groove intercommunication of cable hole, sensor are fixed in the sensor groove, and cable and sealing washer are pegged graft in the cable hole, and the top at the valve gap is fixed to the thing networking module, and the top of thing networking module is fixed with the battery.
Preferably, the valve seat is made of rubber material, and the valve plate is made of metal material.
A hydraulic gate valve comprises the sealing assembly.
Compared with the prior art, the utility model has the beneficial effects that:
according to the sealing assembly and the hydraulic gate valve, the valve seat and the valve plate are made of rubber and metal respectively, so that more abrasion occurs on the valve seat, the spring in a compressed state is arranged at one end of the valve seat far away from the valve plate, the spring is gradually released in the process that the valve seat is gradually abraded, the valve seat is always pressed on the valve plate before the abrasion is completed, the service life is prolonged, only the valve seat needs to be replaced when maintenance is needed, the maintenance cost is reduced, meanwhile, the sensor and the internet of things module are arranged on the valve cover, and maintenance personnel can be notified automatically through the Internet after fluid leaks into the valve plate groove.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a novel cross-sectional structure of the present application;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is a schematic cross-sectional view of a sensor and related structure;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
In the figure: valve deck 1, thing networking module 2, valve body 3, valve plate groove 4, valve plate 5, battery 6, fluid hole 7, spring groove 8, spring 9, disk seat groove 10, backing plate 11, disk seat 12, sealing washer 13, cable 14, sensor groove 15, sensor 16, cable hole 17.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Example 1
Referring to fig. 1-5, the present utility model provides a technical solution: a seal assembly, comprising: valve seat 12 and sealing washer 13, valve seat 12 sliding connection is in disk seat groove 10, and the one end of valve seat 12 supports on the surface of valve plate 5, its characterized in that: one end of the valve seat 12, which is far away from the valve plate 5, is provided with a spring 9, a sealing ring 13 is sleeved on the surface of a cable 14, the top end of the cable 14 is arranged on the internet of things module 2, and the bottom end of the cable 14 is arranged on a sensor 16.
Example two
On the basis of the first embodiment, in order to prolong the service life of the valve seat while more abrasion occurs on the valve seat, the valve seat 12 is made of rubber materials, the valve plate 5 is made of metal materials, the valve seat 12 is slidably connected in the valve seat groove 10, the valve seat groove 10 is provided with two groups, the valve seat groove 10 is arranged on the inner wall of the valve plate groove 4, the two groups of valve seat grooves 10 are symmetrically distributed relative to the valve plate groove 4, the groove body of the valve seat groove 10 is of an annular structure, a base plate 11 is slidably connected in the valve seat groove 10, the base plate 11 is of an annular cylinder structure, one end of the base plate 11 is fixed on the surface of the valve seat 12, four groups of springs 9 are uniformly fixed at the other end of the base plate 11, the springs 9 are in a compressed state, the springs 9 are movably inserted in the spring grooves 8, and the spring grooves 8 are arranged on the inner wall of one end of the valve seat groove 10, which is far away from the valve plate groove 4.
Example III
On the basis of the second embodiment, in order to prevent the rubber valve seat from being pierced by the springs, a base plate 11 is slidably connected in the valve seat groove 10, the base plate 11 is in an annular cylinder structure, one end of the base plate 11 is fixed on the surface of the valve seat 12, and four groups of springs 9 are uniformly fixed at the other end of the base plate 11.
Example IV
On the basis of the third embodiment, in order to realize that when fluid leaks into the valve plate groove from the valve seat and between the valve plate and seeps out of the wire harness hole again to dip the internet of things module, a sensor groove 15 is formed in the bottom end of the valve cover 1, a cable hole 17 is formed in the top end of the valve cover 1, the bottom end of the cable hole 17 is communicated with the sensor groove 15, a sensor 16 is fixed in the sensor groove 15, a cable 14 and a sealing ring 13 are inserted into the cable hole 17, the internet of things module 2 is fixed at the top end of the valve cover 1, a battery 6 is fixed at the top end of the internet of things module 2, the sealing ring 13 is sleeved on the surface of the cable 14, and the top end of the cable 14 is mounted on the internet of things module 2.
When in actual use, the valve plate 5 slides up and down in the valve plate groove 4 formed on the surface of the valve body 3, when the valve plate 5 slides until the fluid hole 7 is aligned with the inner ring of the valve seat 12, the gate valve is in an open state, when the valve plate 5 slides until the fluid hole 7 is far away from the valve seat 12, the gate valve is in a locking state, as the valve plate 5 slides continuously, more solid wear occurs on the surface of the valve seat 12 due to the fact that the hardness of the valve seat 12 is weaker than that of the valve plate 5, when the valve seat 12 is gradually worn, the spring 9 in a compressed state is gradually released, the spring 9 stretches out of the spring groove 8, the base plate 11 is pushed towards the direction close to the valve plate 5, and the distance of the valve seat 12 stretching out of the valve seat groove 10 is kept unchanged all the time until the valve seat 12 is completely worn; at this time, fluid directly leaks into the valve plate groove 4 from the valve seat 12 and the valve plate 5, and gradually accumulates in the valve plate groove 4, finally, the fluid contacts the bottom end of the valve cover 1, and simultaneously contacts the sensor 16 in the sensor groove 15, the sensor 16 detects the fluid and then transmits a signal to the internet of things module 2 through the cable 14, the internet of things module 2 randomly transmits a notice of maintenance to maintenance personnel through a wireless signal, the battery 6 provides electric quantity for the internet of things module 2 and the sensor 16, and the sealing ring 13 fills up a gap between the cable 14 and the cable hole 17 to prevent the fluid from invading the internet of things module 2 at the top end of the valve cover 1 upwards to cause the damage of the internet of things module 2.
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.