CN210266055U - Tank bottom exhaust valve with good air tightness - Google Patents

Abstract

The utility model discloses a tank bottoms discharge valve that gas tightness is good, including the exhaust valve pipe, fix the connection solenoid in exhaust valve pipe bottom and install the valve gap on exhaust valve pipe top, the outside of exhaust valve pipe is the level slip and has inlayed the rotary column that runs through the exhaust valve pipe, and the outer end fixedly connected with of rotary column revolves the handle, the outside of rotary column is located the inboard fixedly connected with capstan of exhaust valve pipe. The utility model discloses in, at first, inside is provided with compound seal structure, and this kind of structure can carry out compound sealed processing with discharge valve, has reduced the production of the gas leakage phenomenon in the discharge valve to promote discharge valve's gas tightness, secondly, inside is provided with the leakage alarm structure, and this kind of structure can be when discharge valve leaks gas, and sound is sent and operating personnel is reminded and is observed and tested, thereby has promoted discharge valve's functionality.

Description

Tank bottom exhaust valve with good air tightness

Technical Field

The utility model relates to an exhaust valve technical field especially relates to a tank bottoms discharge valve that gas tightness is good.

Background

The exhaust valve is applied to exhaust of pipelines such as an independent heating system, a central heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like.

However, the existing exhaust valve at the bottom of the tank still has the defects that: firstly, mostly only set up single seal structure, the inside air of discharge valve easily overflows through the space department, and the gas tightness is relatively poor, and secondly, inside does not have and sets up the leakage alarm structure, can't remind operating personnel to observe and check when discharge valve leaks gas, and functional relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that most of the traditional exhaust valves are only provided with a single sealing structure and have poor air tightness, the tank bottom exhaust valve with good air tightness is provided.

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

the utility model provides a tank bottoms discharge valve that gas tightness is good, includes the exhaust valve pipe, fixes at the connection solenoid of exhaust valve pipe bottom and installs the valve gap on exhaust valve pipe top, the outside of exhaust valve pipe is the level slip and has inlayed the rotary column that runs through the exhaust valve pipe, and the outer end fixedly connected with of rotary column revolves the handle, the outside of rotary column is located the inboard fixedly connected with capstan of exhaust valve pipe.

As a further description of the above technical solution:

the outside that the outside of blast gate pipe is located the rotary column closes soon to be connected with sealed commentaries on classics piece, and sealed commentaries on classics piece and rotary column are transition fit.

As a further description of the above technical solution:

the outer end face of the connecting spiral pipe is positioned below the exhaust valve pipe and is connected with a sealing ring in a screwing mode through threads.

As a further description of the above technical solution:

the exhaust valve is characterized in that an exhaust funnel penetrating through the valve cover is fixedly connected to the top of the valve cover, a steel ball penetrating through the exhaust funnel is arranged on the inner side of the exhaust funnel, an extrusion spring is arranged on the inner side of the exhaust funnel, which is located above the steel ball, and the top of the exhaust funnel is communicated with a whistle.

As a further description of the above technical solution:

the bottom of the exhaust funnel is positioned at the outer side of the steel ball and is provided with an air inlet, and a rubber gasket which is mutually attached to the steel ball is embedded at the outer side of the air inlet.

As a further description of the above technical solution:

the periphery of the rotary disc is fixedly connected with a rubber ring, and the rubber ring and the exhaust valve pipe are in transition fit.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, inside is provided with double entry seal structure, inboard at the exhaust valve pipe is provided with the rotary column, carousel and rubber ring, rotate the knob on the rotary column, when circling to the level with the carousel, the rubber ring on the carousel just can contact the inner wall of exhaust valve pipe, thereby carry out first step sealing treatment with the exhaust valve pipe, the valve gap that sets up at exhaust valve pipe top simultaneously, can carry out further sealing treatment with the exhaust valve pipe, this kind of structure can carry out double entry sealing treatment with discharge valve, the production of the gas leakage phenomenon in discharge valve has been reduced, thereby discharge valve's gas tightness has been promoted.

2. The utility model discloses in, inside is provided with the leakage alarm structure, be provided with aiutage and air whistle on the valve gap, be provided with steel ball and extrusion spring in the inboard of aiutage simultaneously, when the inside gas leakage of aiutage, under the effect of atmospheric pressure, the inboard steel ball of aiutage just can upwards be uplifted, the inside of aiutage just can be entered into to the inside air of aiutage, under the effect of air current, the air whistle at aiutage top just can sound, this kind of structure can be when aiutage leaks gas, sound is sent and operation personnel is reminded and is observed and tested, thereby exhaust valve's functionality has been promoted.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic diagram of an internal structure provided according to an embodiment of the present invention;

fig. 3 shows an internal structural schematic diagram of an exhaust funnel provided according to an embodiment of the present invention.

Illustration of the drawings:

1. an exhaust valve tube; 2. connecting a solenoid; 3. a seal ring; 4. a valve cover; 5. an exhaust funnel; 501. a rubber gasket; 6. a whistle; 7. turning the column; 701. rotating a handle; 8. sealing the rotary block; 9. rotating the disc; 901. a rubber ring; 10. a steel ball; 11. compressing the spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tank bottoms discharge valve that gas tightness is good, including exhaust valve pipe 1, fix at the connection screwed pipe 2 of exhaust valve pipe 1 bottom and install the valve gap 4 on exhaust valve pipe 1 top, the outside of exhaust valve pipe 1 is the level slip and has inlayed the rotary column 7 that runs through exhaust valve pipe 1, and the outer end fixedly connected with of rotary column 7 revolves handle 701, the outside of rotary column 7 is located the inboard fixedly connected with capstan 9 of exhaust valve pipe 1, revolve the setting of handle 701, the rotation of the rotary column 7 of being convenient for and capstan 9 is adjusted and is handled.

Specifically, as shown in fig. 1 and fig. 2, the outside that the outside of exhaust valve pipe 1 is located the rotary column 7 closes soon and is connected with sealed rotary block 8, and sealed rotary block 8 and rotary column 7 are transition fit, the outer terminal surface that connects solenoid 2 is located the below of exhaust valve pipe 1 and closes soon through the screw thread and is connected with sealing ring 3, carousel 9 periphery fixedly connected with rubber ring 901, and rubber ring 901 and exhaust valve pipe 1 are transition fit, sealed rotary block 8's setting, be convenient for the combination installation of carousel 9 and rotary column 7 to handle on the one hand, on the other hand has promoted the leakproofness of rotary column 7 and exhaust valve pipe 1 junction, the setting of sealing ring 3 has promoted the stability and the leakproofness of connecting solenoid 2 and tank connection, the setting of rubber ring 901 has promoted the leakproofness of connecting between carousel 9 and the exhaust valve pipe 1.

Specifically, as shown in fig. 2 and 3, an exhaust funnel 5 penetrating through the valve cap 4 is fixedly connected to the top of the valve cap 4, a steel ball 10 penetrating through the exhaust funnel 5 is arranged on the inner side of the exhaust funnel 5, an extrusion spring 11 is arranged on the inner side of the exhaust funnel 5 and above the steel ball 10, the top of the exhaust funnel 5 is communicated with an air whistle 6, an air inlet is formed in the outer side of the steel ball 10 at the bottom of the exhaust funnel 5, a rubber gasket 501 attached to the steel ball 10 is embedded in the outer side of the air inlet, the extrusion spring 11 is arranged to facilitate the reset treatment of the steel ball 10 without pressure, the air whistle 6 is arranged to convert air flow during air leakage into a sound signal, so that the reminding treatment of an operator is performed, and the air seal between the exhaust funnel 5 and the steel ball 10 is improved due to the arrangement of the.

The working principle is as follows: when the exhaust valve pipe 1 is used, the exhaust valve pipe 1 is connected to a designated position of a tank body through the connecting spiral pipe 2, when the exhaust valve pipe 1 needs to be subjected to exhaust treatment, the valve cover 4 is unscrewed, the rotating handle 701 on the rotating column 7 is rotated, the rotating disc 9 is rotated to be vertical, air in the exhaust valve pipe 1 is convenient to be discharged through the exhaust valve pipe 1, when the exhaust valve pipe 1 needs to be closed, the rotating handle 701 on the rotating column 7 is rotated, the rubber ring 901 on the rotating disc 9 is in contact with the inner wall of the exhaust valve pipe 1 when the rotating disc 9 is rotated to be horizontal, so that the exhaust valve pipe 1 is subjected to first sealing treatment, the valve cover 4 arranged at the top of the exhaust valve pipe 1 is screwed, further sealing treatment of the exhaust valve pipe 1 is completed, when gas leaks in the exhaust valve pipe 1, the cavity pressure between the rotating disc 9 and the valve cover 4 is increased, and under the action of air pressure, the steel ball 10 on the inner side of the exhaust cylinder 5 is forced to be lifted upwards, the inside air of exhaust valve pipe 1 just can be gushed into the inside of aiutage 5 to enter into the inside of air whistle 6 through aiutage 5, under the effect of air current, air whistle 6 just can sound, thereby reminds operating personnel exhaust valve pipe 1 to have the gas leakage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a tank bottoms discharge valve that gas tightness is good, includes exhaust valve pipe (1), fixes connection screwed pipe (2) in exhaust valve pipe (1) bottom and installs valve gap (4) on exhaust valve pipe (1) top, a serial communication port, the outside of exhaust valve pipe (1) is the level slip and has inlayed rotary column (7) that run through exhaust valve pipe (1), and the outer end fixedly connected with of rotary column (7) revolves handle (701), the outside of rotary column (7) is located inboard fixedly connected with capstan (9) of exhaust valve pipe (1).

2. A tank bottom exhaust valve with good air tightness according to claim 1, characterized in that the outside of the exhaust valve pipe (1) is located outside the rotary column (7) and is connected with a sealing rotary block (8) in a screwing way, and the sealing rotary block (8) and the rotary column (7) are in transition fit.

3. A gas-tight tank bottom vent valve according to claim 1, characterized in that the outer end surface of the connecting spiral pipe (2) is positioned below the vent valve pipe (1) and is connected with a sealing ring (3) through screwing.

4. A tank bottom exhaust valve with good air tightness according to claim 1, characterized in that the top of the valve cover (4) is fixedly connected with an exhaust funnel (5) penetrating through the valve cover (4), the inner side of the exhaust funnel (5) is provided with a steel ball (10) penetrating through the exhaust funnel (5), the inner side of the exhaust funnel (5) is positioned above the steel ball (10) and is provided with an extrusion spring (11), and the top of the exhaust funnel (5) is communicated with an air whistle (6).

5. A tank bottom exhaust valve with good air tightness according to claim 4, characterized in that the bottom of the exhaust funnel (5) is provided with an air inlet hole at the outer side of the steel ball (10), and a rubber gasket (501) mutually attached to the steel ball (10) is embedded at the outer side of the air inlet hole.

6. A tank bottom exhaust valve with good air tightness according to claim 1, characterized in that a rubber ring (901) is fixedly connected to the periphery of the rotary disk (9), and the rubber ring (901) and the exhaust valve pipe (1) are in transition fit.

Images