CN218236276U - Pressure relief exhaust valve for mining vehicle - Google Patents

Abstract

The utility model discloses a mining vehicle pressure release exhaust valve in the technical field of exhaust valves, which comprises a valve body, wherein a connecting pipeline is arranged below the valve body, a connecting mechanism is arranged at the joint of the valve body and the connecting pipeline, a mounting plate is fixedly mounted on the outer wall of the lower end of the valve body, a first butt ring is fixedly welded at the lower end of the mounting plate, a second butt ring is arranged below the first butt ring, and a rubber round cushion is arranged between the first butt ring and the second butt ring; the silo that sets up is used for pouring into prevention of liquid leakage coating, is different from conventional prevention of liquid leakage coating material loading operation, and this prevention of liquid leakage coating full-filling is to coupling mechanism's inside, and prevention of liquid leakage coating receives external influence lessly, and the sealed effect of performance that can be better ensures the connection leakproofness of valve body and connecting tube, the effectual probability that weeping or gas leakage condition appear that has reduced.

Description

Pressure relief exhaust valve for mining vehicle

Technical Field

The utility model relates to an exhaust valve technical field specifically is a mining vehicle pressure release exhaust valve.

Background

Pressure relief exhaust valves commonly used in mining vehicles at present; when gas overflows from the system, the gas ascends along the pipeline and finally gathers at the highest point of the system, the exhaust valve is generally installed at the highest point of the system, when the gas enters the valve cavity of the exhaust valve and gathers at the upper part of the exhaust valve, the pressure rises along with the increase of the gas in the valve, when the gas pressure is higher than the system pressure, the gas can enable the water surface in the cavity to fall, the buoy falls along with the water level, and the exhaust port is opened; after the gas is exhausted, the water level rises, the buoy also rises along with the water level, and the exhaust port is closed. In the same way, when negative pressure is generated in the system, the water level in the valve cavity is lowered, the exhaust port is opened, and the outside atmospheric pressure is higher than the system pressure, so that the atmosphere can enter the system through the exhaust port, and the negative pressure is prevented from being damaged. If the exhaust valve stops exhausting by screwing down the valve cap on the exhaust valve body, the valve cap is normally in an open state. The exhaust valve can also be matched with the isolating valve for use, so that the exhaust valve is convenient to overhaul.

A pressure relief exhaust valve (application number: CN 202121268894.4) comprises a valve body, a cavity is arranged in the valve body, an air inlet is arranged at the bottom of the valve body, an air outlet is arranged at the top of the valve body, the air inlet is communicated with the inside of a container, the air outlet is communicated with the outside, the cavity is communicated with the air inlet, a floating barrel is arranged in the cavity in a floating manner, an exhaust channel and a pressure relief cavity are arranged at the top of the valve body, the exhaust channel is communicated with the air outlet, and a pressure relief assembly is movably arranged in the pressure relief cavity up and down. The utility model discloses a pressure release discharge valve has fused the theory of operation and the advantage of relief valve and discharge valve, when the water in the container is in the heating process, the volume expansion, the water level rises, the buoy rises in the valve body, closed exhaust passage, when internal pressure continues to rise to the rated pressure release value of pressure release subassembly, pressure release passage opens, exhaust water and the air that accumulates, when the container temperature drops to the constant value, because of the temperature decline, the water volume shrink in the container, the water level drops, form the negative pressure, along with the buoy descends, open exhaust passage, the atmosphere can get into the container through exhaust passage, prevent the harm of negative pressure; however, after the valve body is used for a long time, the situations of air leakage and liquid leakage are easy to occur at the joint of the valve body and the pipeline, when the exhaust valve performs exhaust operation, the air pressure needs to be kept in a stable state, and if the air leakage situation occurs, the air in the external pipe cannot provide pressure to press down the liquid, so that the sensitivity of the exhaust valve is reduced, and the exhaust valve cannot perform the exhaust operation normally; if the later maintenance does not find the leakage problem at the junction of the valve body and the pipeline, only the exhaust valve is simply replaced, and the replaced exhaust valve still cannot work normally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining vehicle pressure release discharge valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a mining vehicle pressure release discharge valve, includes the valve body, the below of valve body is provided with the connecting tube, the junction of valve body and connecting tube is provided with coupling mechanism, fixed mounting has the mounting panel on the outer wall of valve body lower extreme, the lower extreme fixed welding of mounting panel has first butt joint ring, the below of first butt joint ring is provided with second butt joint ring, be provided with the rubber round pad between first butt joint ring and the second butt joint ring, the inboard of first butt joint ring and second butt joint ring is provided with the rubber extrusion pad, the second silo has been seted up on the second butt joint ring, the notes silo has been seted up on the outer wall of second butt joint ring, the inside of notes silo is provided with the sealing rod.

Optionally, the rubber round pad and the rubber extrusion pad are both in a circular ring structure, and the rubber extrusion pad is located between the second butt joint ring and the connecting pipeline.

Optionally, a first trough is formed in the first butt-joint ring, and the first trough is communicated with the second trough.

Optionally, the second material groove is communicated with the material injection groove, and the material injection groove is in a butt joint relation with the sealing rod.

Optionally, the lower end of the rubber extrusion pad is fixedly connected with a rubber flat pad, and a connecting nut is arranged below the rubber flat pad.

Optionally, the outer wall of the connecting pipeline is provided with threads, and the connecting nut is rotatably connected with the connecting pipeline.

Optionally, an exhaust mechanism is arranged on the right side of the valve body, and an inner cavity is arranged inside the valve body.

Optionally, a mounting block is fixedly mounted on the outer wall of the right end of the valve body, an annular groove is formed in the right end of the mounting block, and a rubber ring is arranged inside the annular groove.

Optionally, a float body is arranged in the middle of the inner cavity of the valve body, and a rubber rod is clamped inside the float body.

Optionally, an exhaust rod is rotatably mounted inside the mounting block, an exhaust pipeline is arranged inside the exhaust rod, limiting springs are arranged on the outer sides of the exhaust rod and the rubber rod, and the exhaust rod is connected with the rubber rod through the limiting springs.

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

1. the utility model discloses in, be provided with coupling mechanism, wherein rubber round pad, rubber flat pad and rubber extrusion pad are the sealing medium between valve body and the connecting tube, after being extruded by coupling nut, rubber round pad, rubber flat pad and rubber extrusion pad will form accurate double seal structure, play the effect of leak protection gas and leak protection liquid; the first silo and the second silo that set up are used for pouring into prevention of liquid leakage coating, are different from conventional prevention of liquid leakage coating material loading operation, and this prevention of liquid leakage coating is filled in to coupling mechanism's inside, and prevention of liquid leakage coating receives external influence lessly, and the sealed effect of performance that can be better ensures the connection leakproofness of valve body and connecting tube.

2. The utility model discloses in, be provided with exhaust mechanism, annular and the rubber ring that exhaust mechanism set up play sealed effect, with exhaust rod and installation piece swivelling joint and extrusion rubber ring to this is sealed with exhaust rod and installation piece junction, realizes sealed effect, ensures this discharge valve when exhausting the operation, and the gas leakage condition can not appear in its exhaust outlet, and good leakproofness also can ensure that the inside atmospheric pressure of discharge valve is stable simultaneously.

Drawings

Fig. 1 is a schematic structural view of the utility model in a three-dimensional front view;

fig. 2 is a schematic structural view of the present invention in a front plan view;

fig. 3 is a schematic plan view of the present invention;

fig. 4 is a first schematic structural view of the present invention in a three-dimensional sectional view;

fig. 5 is a second schematic plan sectional view of the present invention;

fig. 6 is an exploded view of the exhaust mechanism and the connecting mechanism of the present invention;

fig. 7 is a schematic cross-sectional view of the explosive structure of the exhaust mechanism and the connecting mechanism of the present invention;

fig. 8 is an enlarged perspective view of a portion a in fig. 4 according to the present invention;

fig. 9 is an enlarged schematic structural view of the utility model at B in fig. 4;

fig. 10 is an enlarged perspective view of the structure of fig. 6 according to the present invention.

In the figure: 1. a valve body; 2. connecting a pipeline; 3. a connecting mechanism; 301. mounting a plate; 302. a first docking ring; 303. a first trough; 304. a second docking ring; 305. a rubber round pad; 306. a second trough; 307. a rubber flat pad; 308. a rubber squeeze pad; 309. connecting a nut; 310. a material injection groove; 311. a sealing rod; 4. an exhaust mechanism; 401. mounting blocks; 402. a ring groove; 403. a rubber ring; 5. an exhaust rod; 6. a rubber rod; 7. a limiting spring; 8. a float body.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 10, in an embodiment of the present invention, a pressure relief vent valve for a mining vehicle includes a valve body 1, a connecting pipe 2 is disposed below the valve body 1, a connecting mechanism 3 is disposed at a joint of the valve body 1 and the connecting pipe 2, a mounting plate 301 is fixedly mounted on an outer wall of a lower end of the valve body 1, a first butt ring 302 is fixedly welded at a lower end of the mounting plate 301, a second butt ring 304 is disposed below the first butt ring 302, a rubber round pad 305 is disposed between the first butt ring 302 and the second butt ring 304, a rubber extrusion pad 308 is disposed inside the first butt ring 302 and the second butt ring 304, a second trough 306 is disposed on the second butt ring 304, an injection trough 310 is disposed on an outer wall of the second butt ring 304, a sealing rod 311 is disposed inside the injection trough 310, the rubber round pad and the rubber extrusion pad 308 are both in a ring structure, the rubber extrusion pad 308 is disposed between the second butt ring 304 and the connecting pipe 2, a first trough 303 is disposed on the first butt ring 302, the first trough and the second trough 303 are communicated with the second trough 306, the rubber round pad is connected with a nut 309, and a lower end of the rubber extrusion pad 310 is connected with a lower nut 309, and a connection nut 307; the arranged rubber round pad 305, the rubber flat pad 307 and the rubber extrusion pad 308 are sealing media between the valve body 1 and the connecting pipeline 2, and after being extruded by the connecting nut 309, the rubber round pad 305, the rubber flat pad 307 and the rubber extrusion pad 308 form a precise double sealing structure, so that the effects of air leakage prevention and liquid leakage prevention are achieved; the first material groove 303 and the second material groove 306 are used for injecting the anti-leakage coating, different from the conventional anti-leakage coating feeding operation, the anti-leakage coating is filled in the connecting mechanism 3, and the anti-leakage coating is slightly influenced by the outside, so that the sealing effect can be better exerted, and the connection sealing property of the valve body 1 and the connecting pipeline 2 is ensured;

the right side of the valve body 1 is provided with an exhaust mechanism 4, an inner cavity is arranged in the valve body 1, an installation block 401 is fixedly installed on the outer wall of the right end of the valve body 1, the right end of the installation block 401 is provided with an annular groove 402, a rubber ring 403 is arranged in the annular groove 402, a floating body 8 is arranged in the middle of the inner cavity of the valve body 1, a rubber rod 6 is clamped in the floating body 8, an exhaust rod 5 is rotatably installed in the installation block 401, an exhaust pipeline is arranged in the exhaust rod 5, limiting springs 7 are arranged on the outer sides of the exhaust rod 5 and the rubber rod 6, the exhaust rod 5 is connected with the rubber rod 6 through the limiting springs 7, when the limiting springs 7 are installed, the limiting springs are in an extending state, one end of each limiting spring is fixedly connected with the rubber rod 6, the other end of each limiting spring is fixedly connected with the exhaust rod 5, the extending elasticity of the limiting springs 7 ensures that the exhaust rod 5 is in tight butt joint with the rubber rod 6, when the valve is used, the exhaust valve is arranged at the top end of an exhaust pipeline in a vehicle engine system, when a vehicle is started, water and carbon dioxide are generated after gasoline in the vehicle is completely combusted, the water is water vapor at high temperature, the temperature of the water vapor is reduced after the water vapor rises in the exhaust pipeline, the water vapor is condensed into water, the water is accumulated in an inner cavity of a valve body 1, when gas in the mining vehicle engine system overflows, the gas climbs upwards along a connecting pipeline 2 (the connecting pipeline 2 is the exhaust pipeline in the vehicle, the connecting pipeline 2 is the exhaust pipeline, the connection relation between the valve body 1 and the exhaust pipeline is conveniently embodied, when the valve body 1 and the connecting pipeline 2 are connected, a hot melt adhesive butt joint mode or a welding butt joint mode can be adopted, and finally the gas is collected in the cavity of the valve body 1, the pressure rises along with the increase of the gas in the valve body 1, and when the gas pressure is higher than the system pressure, the gas can lead the water surface in the cavity to descend, the floating body 8 descends along with the water level, the floating body 8 pulls the rubber rod 6 downwards, when the rubber rod 6 is stressed, the limiting spring 7 at the outer side of the rubber rod 6 is also stressed and bent, so that the rubber rod 6 is separated from the exhaust rod 5 and is not in tight butt joint, the exhaust pipeline in the exhaust rod 5 is communicated with the inner cavity of the valve body 1, and the gas can be exhausted to an outdoor unit; after the gas is exhausted, the water level rises, the floating body 8 also rises, so that the rubber rod 6 is pushed to rise and return to the original position, similarly, the stressed bending state of the limiting spring 7 (the deformation of the spring body is elastic deformation, and the spring can return to the original state after being deformed) is released, and the rubber rod 6 is in sealed butt joint with the exhaust rod 5.

The utility model discloses a theory of operation is: when the mining vehicle pressure relief exhaust valve is installed, firstly, an exhaust rod 5 is rotatably installed in an installation block 401, a rubber ring 403 is used as a sealing medium between the installation block 401 and the exhaust rod 5, then a connecting pipeline 2 on an engine of the mining vehicle is determined, a connecting mechanism 3 is started, a valve body 1 and the connecting pipeline 2 are connected into a sealing body, after the valve body 1 and the connecting pipeline 2 are rotatably connected, hot melt adhesive is used for butt joint, the valve body 1 and the connecting pipeline 2 can also be connected in a welding mode, so that basic butt joint operation is realized, a rubber round pad 305 and a second butt joint ring 304 are installed, the rubber round pad 305 is used as a sealing medium between a first butt joint ring 302 and a second butt joint ring 304, a rubber flat pad 307 and a rubber extrusion pad 308 are installed, finally a connecting nut 309 is rotatably installed, the rubber round pad 305, the second butt joint ring 304, the rubber flat pad 307 and the rubber extrusion pad 308 are used for extruding, so that the sealing performance of the installation operation is guaranteed, after the basic installation operation is finished, a leakage-proof coating leakage-proof liquid is injected into a first material tank 303 and a second material tank 306 through a material injection tank 310, a sealing liquid can be used for sealing and a sealing function can be realized, and a new sealing material injection tank 311 can be used for sealing function can be realized; after the operation is finished, the exhaust valve can be put into use, when gas in a mining vehicle system overflows in use, the gas can climb upwards along the connecting pipeline 2 and finally is collected in the cavity of the valve body 1, the pressure rises along with the increase of the gas in the valve body 1, when the gas pressure is higher than the system pressure, the water surface in the cavity can be lowered by the gas, the floating body 8 descends along with the water level, the rubber rod 6 is pulled downwards by the floating body 8, the rubber rod 6 is separated from the exhaust rod 5, the exhaust pipeline in the exhaust rod 5 is communicated with the inner cavity of the valve body 1, and the gas can be exhausted to an outdoor unit; after the gas is exhausted, the water level rises, the floating body 8 also rises, and the rubber rod 6 is in sealed butt joint with the exhaust rod 5; similarly, when negative pressure is generated in the mining vehicle system, the water level in the valve body 1 descends, the rubber rod 6 is separated from the exhaust rod 5, the exhaust port is opened, and the outside atmospheric pressure is higher than the system pressure, so that the atmosphere can enter the system through the exhaust port, and the negative pressure is prevented from being damaged.

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 (10)

1. The utility model provides a mining vehicle pressure release discharge valve, includes valve body (1), the below of valve body (1) is provided with connecting tube (2), its characterized in that: the junction of valve body (1) and connecting tube (2) is provided with coupling mechanism (3), fixed mounting has mounting panel (301) on the outer wall of valve body (1) lower extreme, the fixed welding of the lower extreme of mounting panel (301) has first butt joint ring (302), the below of first butt joint ring (302) is provided with second butt joint ring (304), be provided with rubber round pad (305) between first butt joint ring (302) and second butt joint ring (304), the inboard of first butt joint ring (302) and second butt joint ring (304) is provided with rubber extrusion pad (308), second silo (306) have been seted up on second butt joint ring (304), notes silo (310) have been seted up on the outer wall of second butt joint ring (304), the inside of notes silo (310) is provided with sealing rod (311).

2. The mining vehicle pressure relief vent valve according to claim 1, characterized in that: the rubber round pad (305) and the rubber extrusion pad (308) are both in a circular ring structure, and the rubber extrusion pad (308) is positioned between the second butt joint ring (304) and the connecting pipeline (2).

3. The mining vehicle pressure relief vent valve of claim 1, wherein: a first trough (303) is formed in the first butt-joint ring (302), and the first trough (303) is communicated with the second trough (306).

4. The mining vehicle pressure relief vent valve according to claim 1, characterized in that: the second material groove (306) is communicated with the material injection groove (310), and the material injection groove (310) is in butt joint with the sealing rod (311).

5. The mining vehicle pressure relief vent valve according to claim 1, characterized in that: the lower end of the rubber extrusion pad (308) is fixedly connected with a rubber flat pad (307), and a connecting nut (309) is arranged below the rubber flat pad (307).

6. The mining vehicle pressure relief vent valve of claim 5, wherein: the outer wall of the connecting pipeline (2) is provided with threads, and the connecting nut (309) is rotatably connected with the connecting pipeline (2).

7. The mining vehicle pressure relief vent valve of claim 1, wherein: the right side of the valve body (1) is provided with an exhaust mechanism (4), and an inner cavity is arranged inside the valve body (1).

8. The mining vehicle pressure relief vent valve of claim 1, wherein: the outer wall of valve body (1) right-hand member is gone up fixed mounting and is had installation piece (401), annular (402) have been seted up to the right-hand member of installation piece (401), the inside of annular (402) is provided with rubber ring (403).

9. The mining vehicle pressure relief vent valve according to claim 1, characterized in that: the middle part of the inner cavity of the valve body (1) is provided with a float body (8), and the inside of the float body (8) is clamped with a rubber rod (6).

10. The mining vehicle pressure relief vent valve of claim 8, wherein: the exhaust rod (5) is installed in the internal rotation of installation piece (401), the inside of exhaust rod (5) is provided with exhaust duct, the outside of exhaust rod (5) and rubber pole (6) all is provided with spacing spring (7), exhaust rod (5) are connected with rubber pole (6) through spacing spring (7).

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