Pressure relief valve with waterproof structure

Abstract

The utility model discloses a pressure relief valve with a waterproof structure, which comprises a connecting flange and a lower valve body, the top end of the connecting flange is fixedly connected with the lower valve body, the lower valve body is internally provided with an upper valve body, the top end of the upper valve body is fixedly connected with a valve cover, the bottom end of the valve cover is provided with a fence, and the fence is provided with a waterproof structure. The pressure relief valve relates to the technical field of pressure relief valves, when the pressure relief valve is installed on an ash storage warehouse and acts, the upper valve body can drive the valve cover and the fence to move together, gas can be exhausted through the ventilation hole channel in the upper valve body, and then the gas can be exhausted through the gap between the upper valve body and the fence. And meanwhile, under the protection of the fence and the design of the ventilation hole channel of the upper valve body, external rainwater is not prone to flowing into the device, and therefore the actual using effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure relief valve technical field, concretely is a pressure relief valve with waterproof structure. BACKGROUND

[0002] The pressure relief valve is also called ash storage relief valve or ash storage vacuum relief valve, which is arranged on the top of the ash storage. When the air inlet and air outlet of the ash storage are overpressure and the temperature changes abnormally, the ash storage is protected from the influence of excessive positive pressure and negative pressure. When the back pressure of the ash storage is too high or the negative pressure is too high, the pressure relief valve can act in time to adjust the working pressure of the dry ash storage within the normal range, so that the ash storage does not bear excessive positive pressure or negative pressure, thereby ensuring the safety of the ash storage.

[0003] However, through retrieval, it is found that most of the pressure relief valves in the prior art do not have a waterproof structure installed on the valve cover or the valve body. Therefore, when used in rainy days, if the pressure relief valve acts, rainwater may flow into the pressure relief valve, thereby affecting the actual use effect. Therefore, it is necessary to design a pressure relief valve with a waterproof structure to solve the problem. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a pressure relief valve with a waterproof structure, which solves the problem that most of the pressure relief valves in the prior art do not have a waterproof structure installed on the valve cover or the valve body. Therefore, when used in rainy days, if the pressure relief valve acts, rainwater may flow into the pressure relief valve.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: a pressure relief valve with a waterproof structure, comprising a connecting flange and a lower valve body, the top end of the connecting flange is fixedly connected with the lower valve body, the inside of the lower valve body is configured with an upper valve body, the top end of the upper valve body is fixedly connected with a valve cover, the bottom end of the valve cover is installed with a surrounding fence, the outer wall of the surrounding fence is installed with a fixing mechanism.

[0006] Preferably, the fixing mechanism comprises a plurality of vertical plates fixedly connected with the bottom end of the valve cover, the inside of the vertical plate is threadedly connected with a screw rod, one end of the screw rod close to the surrounding fence is rotatably connected with a Z-shaped baffle, and the outer wall of the Z-shaped baffle is attached to the outer peripheral wall of the surrounding fence, and a first telescopic rod is fixedly connected between the vertical plate and the Z-shaped baffle.

[0007] Preferably, one end of the screw rod away from the Z-shaped baffle is fixedly connected with a rotating head.

[0008] Preferably, the top end of the connecting flange is fixedly connected with a second telescopic rod, and the top end of the second telescopic rod is connected with the valve cover through bolts.

[0009] Preferably, the outer wall of the upper valve body is processed with a plurality of air holes.

[0010] Preferably, the top end of the valve cover is fixed with several guide sleeves, and the top end of the guide sleeve is fixed with a valve seat.

[0011] Advantages

[0012] The pressure release valve with the waterproof structure has the following advantages:

[0013] The enclosure can be sleeved on the upper valve body, the top end of the enclosure is attached to the valve cover, the upper valve body is driven to move to the inside of the lower valve body, the second telescopic rod is sleeved by the enclosure, the second telescopic rod is connected with the valve cover through the bolt, then the knob is rotated, the screw rod is driven to rotate through the knob, the screw rod can move through the vertical plate, and the Z-shaped baffle is driven to move in cooperation with the first telescopic rod, and the Z-shaped baffle abuts against and fixes the enclosure, so that when the device is installed on the ash storage and moves, the upper valve body drives the valve cover and the enclosure to move together, the gas can be discharged through the air hole on the upper valve body, and the gas is discharged to the outside through the gap between the upper valve body and the enclosure, and under the protection of the enclosure and the design of the air hole of the upper valve body, rainwater in the outside is not easy to flow into the device, so that the actual use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a plane sectional view of the utility model.

[0016] Figure 3 It is a local enlarged schematic view of the utility model.

[0017] Figure 4 It is a local enlarged schematic view of the utility model.

[0018] In the drawing: 1, connecting flange; 2, lower valve body; 3, upper valve body; 4, valve cover; 5, enclosure; 6, vertical plate; 7, screw rod; 8, Z-shaped baffle; 9, first telescopic rod; 10, knob; 11, second telescopic rod; 12, air hole; 13, guide sleeve; 14, valve seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer toFigures 1-4 The utility model provides a technical scheme: a pressure relief valve with waterproof structure, including connecting flange 1 and lower valve body 2, the top of connecting flange 1 is fixedly connected with lower valve body 2, the inside of lower valve body 2 is provided with upper valve body 3, the top of upper valve body 3 is fixedly connected with valve bonnet 4, the bottom of valve bonnet 4 is installed with enclosure 5, the outer wall of enclosure 5 is installed with fixed mechanism,

[0021] The bottom of valve bonnet 4 is installed with enclosure 5, and the enclosure 5 is a round convex structure, which can block rainwater.

[0022] The utility model further sets up, the fixed mechanism includes a plurality of vertical boards 6 with the bottom of valve bonnet 4 fixedly connected, the inside of vertical board 6 is connected with screw rod 7 with screwing, one end close to enclosure 5 of screw rod 7 is rotatably connected with Z baffle 8, and the outer wall of Z baffle 8 is attached with the outer wall of enclosure 5, and the first telescopic link 9 is fixedly connected between vertical board 6 and Z baffle 8;

[0023] The first telescopic link 9 is fixedly connected between vertical board 6 and Z baffle 8, so that Z baffle 8 can be blocked by the cooperation of the first telescopic link 9 and vertical board 6, so that Z baffle 8 and the enclosure 5 are better attached, and the vertical board 6 is annularly and equidistantly distributed with the midpoint of the valve bonnet 4 as the center.

[0024] The utility model further sets up, and one end away from Z baffle 8 of screw rod 7 is fixedly connected with the rotating head 10.

[0025] The utility model further sets up, and the top of the second telescopic link 11 is connected with the valve bonnet 4 with screwing through bolt;

[0026] The second telescopic link 11 is arranged between the connecting flange 1 and the valve bonnet 4, so that the valve bonnet 4 and the upper valve body 3 can be limited by the second telescopic link 11, and the second telescopic link 11 is annularly and equidistantly distributed with the midpoint of the valve bonnet 4 as the center.

[0027] The utility model further sets up, and the outer wall of the upper valve body 3 is processed with a plurality of air holes 12;

[0028] The air holes 12 are processed on the upper valve body 3 to exhaust.

[0029] The utility model further sets up, and the top of the valve bonnet 4 is fixedly connected with a plurality of guide sleeves 13, and the top of the guide sleeve 13 is fixedly connected with the valve seat 14;

[0030] The guide sleeve 13 is annularly and equidistantly distributed with the midpoint of the valve bonnet 4 as the center, and the spring, the diaphragm pad and the vacuum ring and other structures are arranged in the valve seat 14, so that the device is composed into a pressure relief valve with waterproof structure.

[0031] It should be noted that the models of the electric appliance structure and the like involved in the present application can be selected according to the needs of users, and only need to meet the use needs of the present application, and the corresponding control circuit and the like are also prior art, and persons skilled in the art can fully realize them, so more details will not be described.

[0032] By the person skilled in the art, the parts in the case are sequentially connected, and the specific connection and operation sequence should be referred to the working principle below, and the detailed connection means is the prior art known by the person skilled in the art, and the working principle and process are mainly introduced below.

[0033] When the device needs to be used, the enclosure 5 can be sleeved on the upper valve body 3, the top end of the enclosure 5 is attached to the valve cover 4, the upper valve body 3 is driven to move to the inside of the lower valve body 2, the second telescopic rod 11 is sleeved by the enclosure 5, the second telescopic rod 11 is connected with the valve cover 4 through the bolt, then the knob 10 is rotated, the screw rod 7 is driven to rotate through the knob 10, the screw rod 7 can move through the vertical plate 6, and the Z-shaped baffle 8 is driven to move through the first telescopic rod 9, until the Z-shaped baffle 8 tightly fixes the enclosure 5, so that when the device is installed on the ash storage and moves, the upper valve body 3 moves together with the valve cover 4 and the enclosure 5, the gas is discharged through the air hole on the upper valve body 3, and the gas is discharged to the outside through the gap between the upper valve body 3 and the enclosure 5, and under the protection of the enclosure 5 and the design of the air hole 12 of the upper valve body 3, the rainwater in the outside is not easy to flow into the device, so that the actual use effect is better.

[0034] It should be noted that the models of the electric appliance structure and the like involved in the present application can be selected according to the needs of users, and only need to meet the use needs of the present application, and the corresponding control circuit and the like are also prior art, and persons skilled in the art can fully realize them, so more details will not be described.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure relief valve with a waterproof structure, comprising a connecting flange (1) and a lower valve body (2), the top end of the connecting flange (1) is fixed with the lower valve body (2), characterized in that: The lower valve body (2) is internally provided with an upper valve body (3), the top end of the upper valve body (3) is fixedly connected with a valve cover (4), the bottom end of the valve cover (4) is provided with an enclosure (5), and the outer wall of the enclosure (5) is provided with a fixing mechanism.

2. The pressure relief valve having a waterproof structure according to claim 1, characterized by, The fixing mechanism comprises a plurality of vertical plates (6) fixedly connected with the bottom end of the valve cover (4), the inner part of the vertical plate (6) is screw-connected with a screw rod (7), the end of the screw rod (7) close to the enclosure (5) is rotatably connected with a Z-shaped baffle (8), the outer wall of the Z-shaped baffle (8) is attached to the outer peripheral wall of the enclosure (5), and the vertical plate (6) and the Z-shaped baffle (8) are fixedly connected with a first telescopic rod (9).

3. The pressure relief valve with a waterproof structure according to claim 2, characterized in that, The end of the screw rod (7) far from the Z-shaped baffle (8) is fixedly connected with a rotating head (10).

4. The pressure relief valve with a waterproof structure according to claim 1, characterized in that, The top end of the connecting flange (1) is fixedly connected with a second telescopic rod (11), and the top end of the second telescopic rod (11) is screw-connected with the valve cover (4) through bolts.

5. The pressure relief valve with a waterproof structure according to claim 1, characterized in that, The outer wall of the upper valve body (3) is processed with a plurality of air-permeable holes (12).

6. The pressure relief valve having a waterproof structure according to claim 1, characterized by The top end of the valve cover (4) is fixedly connected with a plurality of guide sleeves (13), and the top end of the guide sleeve (13) is fixedly connected with a valve seat (14).

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