CN214305473U - Exhaust valve for heating system - Google Patents
Exhaust valve for heating system Download PDFInfo
- Publication number
- CN214305473U CN214305473U CN202120192350.8U CN202120192350U CN214305473U CN 214305473 U CN214305473 U CN 214305473U CN 202120192350 U CN202120192350 U CN 202120192350U CN 214305473 U CN214305473 U CN 214305473U
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- Prior art keywords
- hole
- valve body
- sealing part
- valve
- exhaust
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 97
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of exhaust valves, in particular to an exhaust valve for a heating system, which comprises a valve body, a valve core and a reset component; the valve body is provided with a connecting part; the valve body is provided with an air inlet hole; the valve body is provided with a sliding hole; the slide hole is communicated to the other end of the valve body from the air inlet hole; the valve body is provided with an exhaust hole; the exhaust hole is arranged on one side of the valve body; the exhaust hole is communicated with the sliding hole; the valve core is inserted in the slide hole and can slide relative to the valve body; the spool includes: the end sealing part, the first sealing part, the circulating part, the second sealing part and the operating part are fixedly connected in sequence and are coaxially arranged; the first sealing part is positioned in the sliding hole between the exhaust hole and the operation part; the second sealing part is positioned in the sliding hole between the exhaust hole and the other end of the valve body; the circulating part is arranged between the first sealing part and the second sealing part; the diameter of the circulating part is smaller than that of the sliding hole; the reset component is arranged between the valve core and the valve body. Adopt the utility model discloses can promote sealing performance, and be convenient for exhaust.
Description
Technical Field
The utility model relates to an exhaust valve technical field especially relates to an exhaust valve for heating system.
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. Since water usually dissolves a certain amount of air, and the solubility of air decreases with increasing temperature, the gas gradually separates from the water during the circulation process and gradually gathers together to form large bubbles or even gas columns, and the gas is often discharged because of the supplement of water. The discharge of gas is dependent on the discharge valve.
The traditional exhaust valve generally adopts a valve core which is connected on a valve body through threads and is propped on the valve body through a valve core thimble for sealing; when the structure is frequently opened and closed, the valve core is easy to wear, the sealing performance of the exhaust valve is reduced, and the water leakage phenomenon is generated; if the connection is not tight, water leakage is easy and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a heating is discharge valve for system, main aim at promotes sealing performance, and is convenient for exhaust.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides an exhaust valve for a heating system, which comprises a valve body, a valve core and a reset component;
the valve body is provided with a connecting part for connecting with a heating system; the connecting part is positioned at one end of the valve body;
the valve body is provided with an air inlet hole; the air inlet hole is positioned at one end of the valve body;
the valve body is provided with a sliding hole; the sliding hole is communicated to the other end of the valve body from the air inlet hole;
the diameter of the sliding hole is smaller than that of the air inlet hole;
the valve body is provided with an exhaust hole; the exhaust hole is arranged on one side of the valve body; the exhaust hole is communicated with the sliding hole;
the valve core is inserted into the slide hole and can slide relative to the valve body;
the valve core includes: an end sealing part, a first sealing part, a circulating part, a second sealing part and an operation part;
the end sealing part, the first sealing part, the circulating part, the second sealing part and the operating part are fixedly connected in sequence and are coaxially arranged;
the end sealing part is of a cone frustum structure; the major diameter of the truncated cone structure is larger than that of the air inlet hole; the small diameter of the truncated cone structure is the same as the diameter of the first sealing part; the small end of the truncated cone structure is connected with the first sealing part;
the valve core moves to a preset position towards the other end of the valve body, and the end sealing part can be attached to the air inlet hole;
the first sealing part is positioned in the sliding hole between the exhaust hole and the connecting part; a first sealing part is arranged on the first sealing part;
the second sealing part is positioned in the sliding hole between the exhaust hole and the other end of the valve body; a second sealing part is arranged on the second sealing part;
the flow-through part is provided between the first sealing part and the second sealing part; the diameter of the circulating part is smaller than that of the slide hole;
the circulating part slides in the sliding hole and can communicate the air inlet hole with the air outlet hole;
one end of the operating part is arranged on the second sealing part; the operating portion can extend to the other end of the valve body;
the reset component is arranged between the valve core and the valve body so as to drive the valve core to move towards the other end of the valve body.
Furthermore, a limiting component is arranged on the operating part; the stopper member is detachably connected to the other end of the operation portion.
Furthermore, the other end of the valve body is provided with a limiting hole; the limiting hole is communicated with the sliding hole and is coaxially arranged with the sliding hole; the diameter of the limiting hole is smaller than that of the sliding hole;
the diameter of the operation portion is smaller than that of the limiting hole, and the diameter of the second sealing portion is larger than that of the limiting hole.
Further, the reset member is sleeved on the operation part and positioned between the valve body and the limiting member.
Further, the return member is a compression spring.
Further, the air inlet hole and the sliding hole are coaxially arranged;
the air inlet hole and the sliding hole are in transition through a chamfer or an arc.
Further, the connecting part is provided with an external thread.
Further, the first sealing element is a sealing ring;
the second sealing element is a sealing ring.
Borrow by above-mentioned technical scheme, the utility model discloses discharge valve for heating system has following advantage at least:
can promote sealing performance, and be convenient for exhaust.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of an exhaust valve for a heating system according to an embodiment of the present invention.
Shown in the figure:
the valve comprises a valve body 1, a connecting part 1-1, an air inlet 1-2, a sliding hole 1-3, an exhaust hole 1-4, a valve core 2, an end sealing part 2-1, a first sealing part 2-2, a circulating part 2-3, a second sealing part 2-4, an operating part 2-5, a first sealing part 2-6, a second sealing part 2-7, a resetting component 3 and a limiting component 4.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1, an exhaust valve for a heating system according to an embodiment of the present invention comprises a valve body 1, a valve core 2 and a reset member 3; the valve body 1 can be made of cast iron, stainless steel or copper. The valve body 1 is preferably of cylindrical construction; the valve body 1 is provided with a connecting part 1-1 for connecting with a heating system; the connecting part 1-1 is positioned at one end of the valve body 1; in the preferred embodiment, the connecting portion 1-1 has an external thread to facilitate connection with a heating system.
The valve body 1 is provided with an air inlet 1-2; the air inlet 1-2 is positioned at one end of the valve body 1, and when the valve body 1 is arranged on a heating system, the air inlet 1-2 is communicated with the inside of the heating system; the valve body 1 is provided with a slide hole 1-3; the slide hole 1-3 is communicated to the other end of the valve body 1 from the air inlet hole 1-2; the slide holes 1-3 are matched with the spool 2 so that the spool 2 can slide in the slide holes 1-3. The diameter of the sliding hole 1-3 is smaller than that of the air inlet hole 1-2; in the preferred embodiment, the air inlet holes 1-2 and the sliding holes 1-3 are coaxially arranged; the air inlet holes 1-2 and the slide holes 1-3 are in transition through chamfers or arcs, so that air circulation is facilitated.
The valve body 1 is provided with exhaust holes 1-4; the exhaust hole 1-4 is arranged on one side of the valve body 1; the exhaust hole 1-4 is communicated with the sliding hole 1-3; the exhaust hole 1-4 and the air inlet hole 1-2 are sealed by an end sealing part 2-1 and a first sealing part 2-2.
The valve core 2 is inserted in the slide hole 1-3 and can slide relative to the valve body 1; the spool 2 includes: an end sealing part 2-1, a first sealing part 2-2, a circulating part 2-3, a second sealing part 2-4 and an operation part 2-5; the end sealing part 2-1, the first sealing part 2-2, the circulating part 2-3, the second sealing part 2-4 and the operating part 2-5 are fixedly connected in sequence and are coaxially arranged; in this embodiment, it is preferable that the end seal part 2-1, the first seal part 2-2, the circulation part 2-3, the second seal part 2-4 and the operation part 2-5 are integrally provided.
The end sealing part 2-1 is of a truncated cone structure; the major diameter of the cone frustum structure is larger than the diameter of the air inlet hole 1-2; the small diameter of the truncated cone structure is the same as the diameter of the first sealing part 2-2; the small end of the truncated cone structure is connected with the first sealing part 2-2; the valve core 2 moves to a preset position towards the other end of the valve body 1, and the end sealing part 2-1 can be attached to the air inlet hole 1-2 to form sealing;
the first sealing part 2-2 is positioned in a sliding hole 1-3 between the exhaust hole 1-4 and the connecting part 1-1; the first sealing part 2-2 is provided with a first sealing element 2-6; the first sealing element 2-6 is a sealing ring to achieve sealing between the first sealing part 2-2 and the slide hole 1-3.
The second sealing part 2-4 is positioned in a sliding hole 1-3 between the exhaust hole 1-4 and the other end of the valve body 1; a second sealing part 2-7 is arranged on the second sealing part 2-4; the second sealing element 2-7 is a sealing ring to achieve sealing between the second sealing part 2-4 and the slide hole 1-3.
The circulating part 2-3 is arranged between the first sealing part 2-2 and the second sealing part 2-4; the diameter of the circulating part 2-3 is smaller than that of the sliding hole 1-3; so as to facilitate gas circulation. The circulation part 2-3 slides in the sliding hole 1-3 and can be communicated with the air inlet 1-2 and the air outlet 1-4; when the valve core 2 is pressed by an operator and the valve core 2 slides to a proper position, the circulating part 2-3 is communicated with the air inlet hole 1-2 and the air outlet hole 1-4 to exhaust air. When an operator looses hands, the valve core 2 rebounds, and the air inlet 1-2 and the air outlet 1-4 are sealed. One end of the operation part 2-5 is arranged on the second sealing part 2-4; the operating part 2-5 can extend to the other end of the valve body 1 to facilitate the operation of an operator. The resetting component 3 is arranged between the valve core 2 and the valve body 1 to drive the valve core 2 to move towards the other end of the valve body 1, and when the valve core 2 is pressed, and an operator releases his hand, the valve core 2 is reset under the action of the resetting component 3. In the present embodiment, the reset member 3 is preferably sleeved on the operation portion 2-5 and located between the valve body 1 and the limiting member 4, so as to facilitate the reset of the valve core 2, and further preferably, the reset member 3 is a compression spring, so that the reset is reliable.
The utility model discloses an embodiment provides a discharge valve for heating system can promote sealing performance, and is convenient for exhaust.
As a preference of the above embodiment, the operation part 2-5 is provided with a stopper member 4; the limiting component 4 can be detachably connected to the other end of the operating part 2-5, so that the valve core 2 can be conveniently detached, the sliding distance of the valve core 2 can be limited, and the operation of an operator is facilitated.
As a preference of the above embodiment, the other end of the valve body 1 has a limit hole; the limiting hole is communicated with the sliding hole 1-3 and is coaxially arranged with the sliding hole 1-3; the diameter of the limiting hole is 1-3 smaller than that of the sliding hole; the diameter of the operation part 2-5 is smaller than that of the limiting hole, and the diameter of the second sealing part 2-4 is larger than that of the limiting hole, so that the sliding range of the valve core 2 is limited, and the valve core 2 is prevented from sliding out of the other end of the valve body 1.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. An exhaust valve for a heating system is characterized by comprising a valve body, a valve core and a resetting member;
the valve body is provided with a connecting part for connecting with a heating system; the connecting part is positioned at one end of the valve body;
the valve body is provided with an air inlet hole; the air inlet hole is positioned at one end of the valve body;
the valve body is provided with a sliding hole; the sliding hole is communicated to the other end of the valve body from the air inlet hole;
the diameter of the sliding hole is smaller than that of the air inlet hole;
the valve body is provided with an exhaust hole; the exhaust hole is arranged on one side of the valve body; the exhaust hole is communicated with the sliding hole;
the valve core is inserted into the slide hole and can slide relative to the valve body;
the valve core includes: an end sealing part, a first sealing part, a circulating part, a second sealing part and an operation part;
the end sealing part, the first sealing part, the circulating part, the second sealing part and the operating part are fixedly connected in sequence and are coaxially arranged;
the end sealing part is of a cone frustum structure; the major diameter of the truncated cone structure is larger than that of the air inlet hole; the small diameter of the truncated cone structure is the same as the diameter of the first sealing part; the small end of the truncated cone structure is connected with the first sealing part;
the valve core moves to a preset position towards the other end of the valve body, and the end sealing part can be attached to the air inlet hole;
the first sealing part is positioned in the sliding hole between the exhaust hole and the connecting part; a first sealing part is arranged on the first sealing part;
the second sealing part is positioned in the sliding hole between the exhaust hole and the other end of the valve body; a second sealing part is arranged on the second sealing part;
the flow-through part is provided between the first sealing part and the second sealing part; the diameter of the circulating part is smaller than that of the slide hole;
the circulating part slides in the sliding hole and can communicate the air inlet hole with the air outlet hole;
one end of the operating part is arranged on the second sealing part; the operating portion can extend to the other end of the valve body;
the reset component is arranged between the valve core and the valve body so as to drive the valve core to move towards the other end of the valve body.
2. The exhaust valve for heating system according to claim 1,
the operating part is provided with a limiting component; the stopper member is detachably connected to the other end of the operation portion.
3. The exhaust valve for heating system according to claim 2,
the other end of the valve body is provided with a limiting hole; the limiting hole is communicated with the sliding hole and is coaxially arranged with the sliding hole; the diameter of the limiting hole is smaller than that of the sliding hole;
the diameter of the operation portion is smaller than that of the limiting hole, and the diameter of the second sealing portion is larger than that of the limiting hole.
4. The exhaust valve for heating system according to claim 3,
the resetting member is sleeved on the operating part and is positioned between the valve body and the limiting member.
5. The exhaust valve for heating system according to claim 4,
the return member is a compression spring.
6. The exhaust valve for heating system according to claim 1,
the air inlet hole and the sliding hole are coaxially arranged;
the air inlet hole and the sliding hole are in transition through a chamfer or an arc.
7. The exhaust valve for heating system according to claim 1,
the connecting part is provided with an external thread.
8. The exhaust valve for heating system according to claim 1,
the first sealing element is a sealing ring;
the second sealing element is a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120192350.8U CN214305473U (en) | 2021-01-22 | 2021-01-22 | Exhaust valve for heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120192350.8U CN214305473U (en) | 2021-01-22 | 2021-01-22 | Exhaust valve for heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305473U true CN214305473U (en) | 2021-09-28 |
Family
ID=77829445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120192350.8U Expired - Fee Related CN214305473U (en) | 2021-01-22 | 2021-01-22 | Exhaust valve for heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305473U (en) |
-
2021
- 2021-01-22 CN CN202120192350.8U patent/CN214305473U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |