CN215722581U - Valve inside device of overhead tank convenient to detect, change and maintain - Google Patents
Valve inside device of overhead tank convenient to detect, change and maintain Download PDFInfo
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- CN215722581U CN215722581U CN202122183392.8U CN202122183392U CN215722581U CN 215722581 U CN215722581 U CN 215722581U CN 202122183392 U CN202122183392 U CN 202122183392U CN 215722581 U CN215722581 U CN 215722581U
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- piston rod
- pressure tank
- valve core
- piston
- valve inside
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Abstract
The utility model discloses a valve inside device of a pressure tank, which is convenient to detect, replace and maintain and comprises a tank body, an air bag, a pressure tank opening and a valve inside base; the tank body is characterized in that a pressure tank opening is formed in one end of the tank body, an air bag is arranged in the tank body, and an opening in one end of the air bag is connected with the pressure tank opening. The utility model has the beneficial effects that: can protect the valve inside through the safety cover, can seal when the valve inside leaks gas through the safety cover, prevent that gas from continuing to leak, the piston rod can be stretched out by gaseous promotion when the valve inside leaks gas, the spacing collar of piston rod can block up on the piston sleeve pipe when stretching out a certain position, prevent that gas from continuing to leak, the piston rod will stretch out when the valve inside leaks gas, conveniently inspect the gas leakage condition of valve inside, suggestion colour circle on the piston rod can make the piston rod more obvious when stretching out, easily observe, the piston ring can make piston rod and piston sleeve pipe in close contact with, increase the gas tightness, make things convenient for the release of piston rod.
Description
Technical Field
The utility model relates to the technical field of pressure tank equipment, in particular to a valve inside device of a pressure tank, which is convenient to detect, replace and maintain.
Background
The overhead tank is the equipment of connection in waterway system, can play the effect of pressure in the balanced pipeline, can prevent that the water pump from frequently opening, traditional manometer pipe all comprises the gasbag with jar body, fill the effect that the air played pressure bearing between jar body and gasbag, but because pressure is too big in the use, it takes place the gas leakage phenomenon to inflate the position very easily, make the overhead tank play the effect that can not bear the weight of the pressure, and hardly discover behind the overhead tank gas leakage, cause the frequent opening of waterway pipeline damage and water pump very easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a valve inside device of a pressure tank, which is convenient to detect, replace and maintain, so as to solve the defects of the prior art proposed in the background art.
The utility model discloses a valve inside device of a pressure tank, which is convenient to detect, replace and maintain and comprises a tank body, an air bag, a pressure tank opening and a valve inside base;
one end of the tank body is provided with a pressure tank opening, an air bag is arranged in the tank body, and an opening at one end of the air bag is connected with the pressure tank opening;
a valve inside base is arranged on one side of the tank body and is arranged on the outer side of the tank body, and the valve inside base is communicated with the inside of the tank body;
the valve inside base is internally provided with a valve inside, the valve inside base is of a cylindrical structure, the valve inside base is provided with external threads, and the valve inside base is sleeved with a protective cover;
the protective cover is of a cylindrical structure with one closed end, the inner side of the protective cover is provided with an internal thread, and the internal thread is in fit connection with the external thread;
the protective cover is internally provided with an annular boss, and the annular boss is provided with a rubber gasket.
Preferably, a piston sleeve is arranged at one closed end of the protective cover;
the piston sleeve is internally provided with a piston rod in a penetrating mode, one end, close to the valve inside, of the piston rod is provided with a limiting ring, and the limiting ring is sleeved with a protective gasket.
Preferably, a piston ring is arranged on one side inside the piston sleeve.
Preferably, the piston sleeve is internally provided with a cavity, the middle part of the piston rod is provided with a snap ring, the snap ring is arranged in the cavity in the piston sleeve, one side of the snap ring is provided with an expansion spring, the expansion spring is sleeved on the piston rod, and the other end of the expansion spring is propped against the wall of the cavity of the piston sleeve.
Preferably, the piston rod is provided with a prompt color ring.
Preferably, the upper end of the air bag is provided with a traction strip, and the traction strip is connected with the inner side of the top of the tank body.
The utility model has the beneficial effects that:
1. the valve core can be protected through the protective cover, and the protective cover can be closed when the valve core leaks air, so that the air is prevented from continuously leaking.
2. The piston rod can be pushed by gas to extend when the valve core leaks gas, and the limit ring of the piston rod can be blocked on the piston sleeve when the piston rod extends out of a certain position, so that gas is prevented from continuously leaking, the piston rod can extend when the valve core leaks gas, and the gas leakage condition of the valve core is conveniently checked.
3. The prompt color ring on the piston rod can make the piston rod more obvious when extending out, and is easy to observe.
4. The piston ring can make the piston rod and the piston sleeve in close contact, so that the air tightness is increased, and the piston rod is conveniently pushed out.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a schematic view of part A of the present invention.
Fig. 4 is a schematic structural diagram of the piston rod of the present invention.
1. The pneumatic brake system comprises a tank body, 2, an air bag, 3, a pressure tank opening, 4, a valve core base, 5, a valve core, 6, a protective cover, 7, an annular boss, 8, a rubber gasket, 9, a piston sleeve, 10, a piston rod, 11, a limiting ring, 12, a protective gasket, 13, a piston ring, 14, a clamping ring, 15, a telescopic spring, 16 and a traction strip.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
A valve inside device of a pressure tank convenient for detection, replacement and maintenance comprises a tank body 1, an air bag 2, a pressure tank opening 3 and a valve inside base 4;
one end of the tank body 1 is provided with a pressure tank opening 3, an air bag 2 is arranged in the tank body 1, and an opening at one end of the air bag 2 is connected with the pressure tank opening 3;
a valve inside base 4 is arranged on one side of the tank body 1, the valve inside base 4 is arranged on the outer side of the tank body 1, and the valve inside base 4 is communicated with the inside of the tank body 1;
a valve core 5 is arranged in the valve core base 4, the valve core base 4 is of a cylindrical structure, external threads are arranged on the valve core base 4, and a protective cover 6 is sleeved on the valve core base 4;
the protective cover 6 is of a cylindrical structure with one closed end, internal threads are arranged on the inner side of the protective cover 6, and the internal threads are in fit connection with the external threads;
the novel valve core is characterized in that an annular boss 7 is arranged in the protective cover 6, a rubber gasket 8 is arranged on the annular boss 7, the tank body plays a pressure bearing role, the air bag can enable water in a pipeline to enter for pressure balance, air can be filled between the tank body and the air bag to control pressure, a pressure tank opening can be connected with a water path, the valve core base is welded on the pipe body, air can be filled in the tank body conveniently, the valve core base is installed on the outer side of the tank body and can be convenient for replacement and maintenance of the base, the valve core base and the protective cover can be connected through threads to form a closed space, temporary air closure can be prevented when air leaks from the valve core, the valve core can conveniently adjust pressure of the air in the tank body, the annular boss and the valve core base can press the rubber gasket when being connected, and air tightness of the valve core base and the protective cover can be improved.
A piston sleeve 9 is arranged at the closed end of the protective cover 6;
pass in the piston sleeve 9 and establish piston rod 10, piston rod 10 is equipped with spacing collar 11 near 5 one end of valve inside, the cover is equipped with protective washer 12 on the spacing collar 11, and the piston sleeve can make the piston rod slide in the piston sleeve, and the piston rod can be promoted when the valve inside leaks gas, and the piston sleeve is stretched out to piston rod one end, can confirm whether the valve inside leaks gas through observing the piston rod, and the spacing collar can prevent that the piston rod from being released the piston sleeve, and the spacing collar can be pressed on protective washer, and protective washer presses on the piston sleeve, can prevent that gas from continuing to discharge by the gap of piston sleeve and piston rod, plays confined effect.
And a piston ring 13 is arranged on one side inside the piston sleeve 9, and the piston ring is sleeved on the piston rod. The piston ring can increase the air tightness between the piston rod and the piston sleeve, and can better push the piston rod when the valve core leaks air.
The inside cavity that is equipped with of piston sleeve 9, piston rod 10 middle part is equipped with snap ring 14, snap ring 14 is established in the cavity of piston sleeve 9, snap ring 14 one side is equipped with expanding spring 15, expanding spring 15 cover is established on piston rod 10, the 15 other end tops of expanding spring are on the cavity wall of piston sleeve 9, and the cavity can make the snap ring freely slide in the piston sleeve, and expanding spring can promote the snap ring, and the snap ring promotes the piston rod and can make the piston rod keep the contraction state always, just can promote the piston rod until the valve inside leaks gas, and expanding spring can reset the piston rod after restoreing the valve inside.
The piston rod 10 is provided with a color prompting ring, and the color prompting ring can enable the piston rod to be better found when being pushed out.
The upper end of the air bag 2 is provided with a traction strip 16, the traction strip 16 is connected with the inner side of the top of the tank body 1, the air bag can be stretched and unfolded by the traction strip, and the air bag is prevented from being stacked at the bottom of the tank body after being placed for a long time.
The utility model has the beneficial effects that:
1. the valve core can be protected through the protective cover, and the protective cover can be closed when the valve core leaks air, so that the air is prevented from continuously leaking.
2. The piston rod can be pushed by gas to extend when the valve core leaks gas, and the limit ring of the piston rod can be blocked on the piston sleeve when the piston rod extends out of a certain position, so that gas is prevented from continuously leaking, the piston rod can extend when the valve core leaks gas, and the gas leakage condition of the valve core is conveniently checked.
3. The prompt color ring on the piston rod can make the piston rod more obvious when extending out, and is easy to observe.
4. The piston ring can make the piston rod and the piston sleeve in close contact, so that the air tightness is increased, and the piston rod is conveniently pushed out.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions are considered to be within the protective scope of the present invention.
Claims (6)
1. A valve inside device of a pressure tank convenient for detection, replacement and maintenance is characterized by comprising a tank body (1), an air bag (2), a pressure tank opening (3) and a valve inside base (4);
one end of the tank body (1) is provided with a pressure tank opening (3), an air bag (2) is arranged in the tank body (1), and an opening at one end of the air bag (2) is connected with the pressure tank opening (3);
a valve inside base (4) is arranged on one side of the tank body (1), the valve inside base (4) is arranged on the outer side of the tank body (1), and the valve inside base (4) is communicated with the inside of the tank body (1);
a valve core (5) is arranged in the valve core base (4), the valve core base (4) is of a cylindrical structure, external threads are arranged on the valve core base (4), and a protective cover (6) is sleeved on the valve core base (4);
the protective cover (6) is of a cylindrical structure with one closed end, internal threads are arranged on the inner side of the protective cover (6), and the internal threads are in fit connection with the external threads;
be equipped with annular boss (7) in safety cover (6), be equipped with rubber packing ring (8) on annular boss (7).
2. A valve core device of a pressure tank for convenient detection, replacement and maintenance according to claim 1, characterized in that the closed end of the protective cover (6) is provided with a piston sleeve (9);
the piston is characterized in that a piston rod (10) penetrates through the piston sleeve (9), a limiting ring (11) is arranged at one end, close to the valve core (5), of the piston rod (10), and a protective gasket (12) is sleeved on the limiting ring (11).
3. A valve core device of a pressure tank for facilitating detection, replacement and maintenance according to claim 2, characterized in that a piston ring (13) is arranged on one side of the inside of the piston sleeve (9).
4. The valve core device of the pressure tank convenient for detection, replacement and maintenance of the pressure tank as claimed in claim 2, wherein a cavity is arranged inside the piston sleeve (9), a snap ring (14) is arranged in the middle of the piston rod (10), the snap ring (14) is arranged in the cavity in the piston sleeve (9), an expansion spring (15) is arranged on one side of the snap ring (14), the expansion spring (15) is sleeved on the piston rod (10), and the other end of the expansion spring (15) abuts against the wall of the cavity of the piston sleeve (9).
5. The valve core device of the pressure tank for facilitating detection, replacement and maintenance according to claim 2, wherein the piston rod (10) is provided with a color prompting ring.
6. The valve core device of the pressure tank for facilitating detection, replacement and maintenance of the pressure tank is characterized in that a traction strip (16) is arranged at the upper end of the air bag (2), and the traction strip (16) is connected with the inner side of the top of the tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122183392.8U CN215722581U (en) | 2021-09-10 | 2021-09-10 | Valve inside device of overhead tank convenient to detect, change and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122183392.8U CN215722581U (en) | 2021-09-10 | 2021-09-10 | Valve inside device of overhead tank convenient to detect, change and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215722581U true CN215722581U (en) | 2022-02-01 |
Family
ID=80017887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122183392.8U Active CN215722581U (en) | 2021-09-10 | 2021-09-10 | Valve inside device of overhead tank convenient to detect, change and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215722581U (en) |
-
2021
- 2021-09-10 CN CN202122183392.8U patent/CN215722581U/en active Active
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