Adjustable quick-discharge type water seal exhaust valve

Abstract

The utility model discloses an adjustable quick-discharge type water seal exhaust valve, which comprises an exhaust valve main body, a valve seat, a valve rod and a valve core, a channel is arranged at the bottom end in the exhaust valve main body, the valve core is arranged at the central position in the exhaust valve main body, the valve seat is arranged in the exhaust valve main body below the valve core, and the valve rod is arranged in the valve seat. A valve cover is arranged at the top end of the exhaust valve body, a valve rod penetrates through the top of the valve cover, external threads are arranged on the top of the outer side of the valve rod, the upper portion of the valve rod is connected with a valve element, and exhaust ports are evenly formed in the outer side wall of the exhaust valve body. The exhaust valve body, the valve seat, the valve deck, the valve rod, the adjusting handle, the valve element, the reset spring and the exhaust port are installed, the opening degree of the exhaust port can be adjusted, normal operation can be achieved under various working conditions, meanwhile, the exhaust port can be exposed to the maximum degree when the air resistance phenomenon occurs, and therefore air is exhausted rapidly.

Description

TECHNICAL FIELD

[0001] The utility model relates to water seal exhaust valve technical field, concretely is adjustable with fast discharge formula water seal exhaust valve. BACKGROUND

[0002] Water seal exhaust valve is a kind of equipment widely used in pipeline system, generally by valve body, valve cover, valve core and glass tube are composed, water seal exhaust valve can effectively remove the gas in pipeline, ensure the normal operation of pipeline, and prevent water backflow and air into pipeline, to improve the operation efficiency and safety of pipeline system.

[0003] Because in different working conditions, the gas content and pressure in pipeline system can change, for example, in high temperature or high pressure environment, it can need greater opening to discharge gas in time, and in low temperature or low pressure environment, it can need smaller opening to prevent excessive gas discharge, and general water seal exhaust valve is not conducive to adjusting, not conducive to adapt to different working conditions, and the opening of exhaust valve cannot be adjusted also means that when gas blocking phenomenon appears, it cannot be quickly exhausted, so a kind of adjustable water seal exhaust valve with fast discharge formula is required. SUMMARY

[0004] The utility model aims at providing a kind of adjustable water seal exhaust valve with fast discharge formula to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable water seal exhaust valve with fast discharge formula, including exhaust valve main body, valve seat, valve rod and valve core, the bottom of the inside of exhaust valve main body is provided with passageway, and the central position of the inside of exhaust valve main body is provided with valve core, the valve seat is set in the exhaust valve main body below the valve core, and reset spring is arranged between the valve seat and valve core, the top of exhaust valve main body is provided with valve cover, and the top of valve cover is passed with valve rod, the top of the outer side of valve rod is provided with external thread, the central position of the valve cover is provided with the thread hole matched with external thread, the upper of valve rod is connected with valve core, the outer side wall of exhaust valve main body is evenly provided with exhaust port, and the top of the outer side of exhaust valve main body is provided with glass tube.

[0006] Preferably, the outer side of the valve seat is evenly connected with the exhaust valve main body through the buffer block, and the buffer block is made of fluorine rubber material.

[0007] Preferably, the top of the valve rod is provided with adjusting handle, and the adjusting handle is provided with rubber antiskid sleeve.

[0008] Preferably, the top of the valve rod is provided with clamping block, and the bottom end of the inside of the adjusting handle is provided with the clamping groove matched with the clamping block.

[0009] Preferably, guide blocks are provided at the top ends of both sides of the valve core, and guide grooves matching the guide blocks are provided on both sides of the interior of the exhaust valve body.

[0010] Preferably, a sealing gasket is provided at the bottom end of the outer side of the valve core, and the sealing gasket is made of silicone rubber.

[0011] Preferably, a sealing groove is provided at the connection between the glass tube and the exhaust valve body, and a sealing ring is embedded in the sealing groove.

[0012] Preferably, a cavity is formed between the glass tube and the exhaust valve body, and the cavity is filled with water.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the adjustable quick-discharge water-sealed exhaust valve is equipped with an exhaust valve body, a valve seat, a valve cover, a valve stem, an adjusting handle, a valve core, a reset spring and an exhaust port. After the exhaust valve body is connected to the pipeline, when there is air in the pipeline, the gas will always be above the liquid, so the air will enter the exhaust valve body through the channel. At this time, the adjusting handle can be rotated to move the valve core upward, open the exhaust port, and allow air to be discharged through the exhaust port. The valve stem and the valve cover are connected by a threaded connection, so that the position of the valve core can be adjusted by rotating the valve stem, and then the opening size of the exhaust port can be adjusted, so that the exhaust valve body can operate normally under various working conditions. At the same time, the exhaust port can be exposed to the maximum extent when air resistance occurs, thereby quickly discharging the air, ensuring smooth water flow in the pipeline, and ensuring the normal operation of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0016] Figure 2 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0017] Figure 3 This is a schematic diagram of the valve core structure of the utility model;

[0018] Figure 4 For the utility model Figure 1 The enlarged structural diagram at B in the middle;

[0019] Figure 5 The utility model discloses a Figure 1 Amplification structure schematic diagram at C.

[0020] In the figure: 1, exhaust valve main body; 2, valve seat; 3, passageway; 4, buffer block; 5, reset spring; 6, cavity; 7, valve cover; 8, adjusting handle; 9, valve rod; 10, valve core; 11, glass tube; 12, exhaust port; 13, external thread; 14, threaded hole; 15, guide block; 16, sealing gasket; 17, guide slot; 18, sealing groove; 19, sealing ring; 20, clamping block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of adjustable water seal exhaust valve with quick discharge, including exhaust valve main body 1, valve seat 2, valve rod 9 and valve core 10, the bottom end inside exhaust valve main body 1 is provided with passageway 3, after exhaust valve main body 1 is connected with pipeline, when there is air in pipeline, since gas will always be above liquid, therefore air will enter exhaust valve main body 1 by passageway 3;

[0023] The central position inside exhaust valve main body 1 is provided with valve core 10, and valve seat 2 is arranged in the exhaust valve main body 1 below valve core 10, and the top of exhaust valve main body 1 is provided with valve cover 7, and valve rod 9 passes through the top of valve cover 7;

[0024] The top of the outer side of valve rod 9 is provided with external thread 13, and the central position of valve cover 7 is provided with threaded hole 14 matched with external thread 13, and the upper side of valve rod 9 is connected with valve core 10;

[0025] Exhaust port 12 is evenly arranged on the outer side wall of exhaust valve main body 1, and adjusting handle 8 is arranged on the top of valve rod 9, and rubber anti-skid sleeve is arranged on adjusting handle 8;

[0026] By rotating adjusting handle 8 to drive valve rod 9 to rotate, air is discharged by opening exhaust port 12 by making valve core 10 move up;

[0027] The valve rod 9 is connected with the valve cover 7 through threads, so that the position of the valve core 10 can be adjusted by rotating the valve rod 9, and then the opening size of the exhaust port 12 can be adjusted, so that the exhaust valve body 1 can normally operate under various working conditions, and at the same time, the exhaust port 12 can be maximized exposed when air resistance phenomenon occurs, so that air is quickly discharged, the water flow in the pipeline is smooth, and the normal operation of the system is ensured;

[0028] The top of the valve rod 9 is provided with a clamping block 20, and the bottom end of the adjusting handle 8 is provided with a clamping groove matched with the clamping block 20, so that the adjusting handle 8 can be conveniently disassembled and replaced;

[0029] The reset spring 5 is arranged between the valve seat 2 and the valve core 10, which plays a certain buffering and damping effect, and reduces the impact force of the valve core 10 on the valve seat 2 and other components when the valve core 10 moves;

[0030] The valve seat 2 is connected with the exhaust valve body 1 through the buffer block 4 uniformly, and the buffer block 4 is made of fluorine rubber material, so that the valve core 10 and the valve seat 2 play a buffering effect when they are connected, and the risk of wear and damage of the valve seat 2 is reduced;

[0031] The top end of the valve core 10 is provided with a guide block 15, and the inside of the exhaust valve body 1 is provided with a guide groove 17 matched with the guide block 15, which guides and limits the movement of the valve core 10, and prevents the valve core 10 from deviating and shifting;

[0032] The bottom end of the valve core 10 is provided with a sealing gasket 16, and the sealing gasket 16 is made of silicone rubber material, which improves the sealing performance when the valve core 10 is connected with the exhaust port 12;

[0033] The top of the exhaust valve body 1 is provided with a glass tube 11, and the glass tube 11 and the exhaust valve body 1 form a cavity 6, and the cavity 6 is filled with water;

[0034] The air discharged from the exhaust port 12 will form bubbles in the water and be discharged from the top, and the water will prevent air from entering the exhaust port 12 from the outside of the exhaust port 12, thereby forming a water seal;

[0035] The connection between the glass tube 11 and the exhaust valve body 1 is provided with a sealing groove 18, and the sealing ring 19 is embedded in the sealing groove 18, which increases the tightness of the connection between the glass tube 11 and the exhaust valve body 1.

[0036] Working principle: the application embodiment in use, the exhaust valve body 1 is connected with pipeline, when there is air in the pipeline, because the gas will always be above the liquid, therefore the air will enter the exhaust valve body 1 through the channel 3, at this time, the valve stem 9 can be rotated by rotating the adjusting handle 8 to drive the valve core 10 to move upwards, the exhaust port 12 is opened, the air is discharged through the exhaust port 12, the exhaust port 12 is provided with a glass tube 11, the glass tube 11 and the exhaust valve body 1 form a cavity 6, the cavity 6 is filled with water, therefore the air discharged from the exhaust port 12 will form bubbles in the water and be discharged from the top, and the water exists so that there is no air entering the exhaust port 12 outside the exhaust port 12, thereby forming a water seal, the valve stem 9 and the valve cover 7 are connected by threads, so that the position of the valve core 10 can be adjusted by rotating the valve stem 9, thereby the opening size of the exhaust port 12 can be adjusted, so that the exhaust valve body 1 can normally operate under various working conditions, at the same time, the exhaust port 12 can be maximized exposed when air resistance phenomenon occurs, so that the air is quickly discharged, ensuring the smooth flow of water in the pipeline, ensuring the normal operation of the system.

[0037] Obviously, the above described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

Claims

1. An adjustable quick-discharge water-sealed exhaust valve, characterized in that: The invention comprises an exhaust valve body (1), a valve seat (2), a valve stem (9) and a valve core (10), wherein a channel (3) is provided at the bottom end of the exhaust valve body (1), and a valve core (10) is provided at the central position of the exhaust valve body (1), a valve seat (2) is provided in the exhaust valve body (1) below the valve core (10), and a return spring (5) is provided between the valve seat (2) and the valve core (10), a valve cover (7) is provided at the top end of the exhaust valve body (1), and a valve stem (9) passes through the top of the valve cover (7), an external thread (13) is provided at the top of the outer side of the valve stem (9), a threaded hole (14) matching the external thread (13) is provided at the central position of the valve cover (7), the upper part of the valve stem (9) is connected to the valve core (10), exhaust ports (12) are evenly opened on the outer side wall of the exhaust valve body (1), and a glass tube (11) is provided at the top of the outer side of the exhaust valve body (1).

2. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: The outer side of the valve seat (2) is evenly connected to the exhaust valve body (1) via a buffer block (4), and the buffer block (4) is made of fluororubber.

3. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: An adjusting handle (8) is provided on the top of the valve stem (9), and a rubber anti-slip sleeve is provided on the adjusting handle (8).

4. The adjustable quick-discharge water-sealed exhaust valve according to claim 3, characterized in that: A clamping block (20) is provided at the top of the valve stem (9), and a clamping groove matching the clamping block (20) is provided at the bottom end inside the regulating handle (8).

5. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: The top ends of both sides of the valve core (10) are provided with guide blocks (15), and both sides of the interior of the exhaust valve body (1) are provided with guide grooves (17) that match the guide blocks (15).

6. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: A sealing gasket (16) is provided at the bottom end of the outer side of the valve core (10), and the sealing gasket (16) is made of silicone rubber.

7. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: A sealing groove (18) is provided at the connection between the glass tube (11) and the exhaust valve body (1), and a sealing ring (19) is embedded in the sealing groove (18).

8. The adjustable quick-discharge water-sealed exhaust valve according to claim 1, characterized in that: A cavity (6) is formed between the glass tube (11) and the exhaust valve body (1), and the cavity (6) is filled with water.

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