CN217842699U - Exhaust valve for heating pipeline - Google Patents
Exhaust valve for heating pipeline Download PDFInfo
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- CN217842699U CN217842699U CN202221841002.XU CN202221841002U CN217842699U CN 217842699 U CN217842699 U CN 217842699U CN 202221841002 U CN202221841002 U CN 202221841002U CN 217842699 U CN217842699 U CN 217842699U
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- valve
- valve body
- valve rod
- inner cavity
- rod
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Abstract
The utility model discloses a heating pipeline exhaust valve, which comprises a column valve body and a valve rod, wherein the lower end of the valve body is provided with a pipe joint, the lower part of an inner cavity hole of the valve body is provided with a valve port, the circumferential surface of the inner cavity hole of the valve body on one side of a step on the upper surface of the valve port is provided with a transverse exhaust hole, and the upper end opening part of the inner cavity hole of the valve body is provided with a limit ring; the valve rod is inserted into the inner cavity hole of the valve body and is in threaded connection with the valve body, the head part of the valve rod protrudes out of the top surface of the upper opening of the valve body, the head part of the valve rod is provided with an opening and closing adjusting structure, a limiting groove is formed in the circumferential surface of the lower side of the head part of the valve rod, and a sealing rubber ring is arranged between the lower part of the valve rod and the middle connecting surface of the inner cavity hole of the valve body; the lower end of the valve rod is provided with a valve core with a conical head part which is connected with the valve core into a whole, and the valve rod can move up and down corresponding to the valve body by adjusting the head part of the rotary valve rod to enable the valve core to close or open the valve port. The utility model has the characteristics of simple structure, with low costs, convenient to use and reliability are high.
Description
Technical Field
The utility model relates to a pipeline discharge valve field, in particular to heating pipe says exhaust valve.
Background
In order to enable hot water to smoothly circulate in a pipeline of heating air, the accumulated air in the pipeline needs to be discharged, so that exhaust valves are installed in the pipeline, although the existing exhaust valves are more in types, along with the improvement of pipeline technology, people need to provide more exhaust valve products with new structures in the market, and more choices can be provided according to the requirements of different use occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of prior art, and provide a novel structure, with low costs, use reliable convenient heating pipe exhaust valve.
The utility model adopts the technical proposal that: the utility model provides a heating pipeline exhaust valve, includes column valve body and valve rod, its characterized in that: the valve body is axially provided with an inner cavity hole with a through upper end and a through lower end, the lower end of the valve body is provided with a pipe joint, the lower part of the inner cavity hole of the valve body is provided with a valve port, the circumferential surface of the inner cavity hole of the valve body on one side of the step on the upper surface of the valve port is provided with a transverse exhaust hole, the upper part of the inner cavity of the valve body is provided with an internal thread connecting part, and the upper port part of the inner cavity of the valve body is provided with a limit ring;
the middle upper part of the valve rod is provided with an external thread connecting part, the head part of the valve rod is provided with an opening and closing adjusting structure, the circumferential surface of the valve rod between the bottom end of the opening and closing adjusting structure and the upper end surface of the external thread connecting part is provided with a limiting groove, and the lower end of the valve rod is provided with a valve core;
the valve rod is inserted into the inner cavity hole of the valve body in a penetrating way, the head of the valve rod protrudes out of the top surface of the upper opening of the valve body, the external thread connecting part on the valve rod is in threaded connection with the internal thread connecting part of the valve body, the lower shaft peripheral surface of the valve rod is in sliding fit connection with the middle part of the inner cavity hole of the valve body, the valve core corresponds to the valve port, the limiting ring on the valve body is positioned in the limiting groove and is in sliding fit connection with the shaft peripheral surface of the limiting groove, and the head of the rotary valve rod is adjusted to enable the valve rod to move up and down corresponding to the valve body so that the valve core can close or open the valve port;
and a sealing structure is also arranged between the shaft circumferential surface at the lower part of the valve rod and the connecting surface of the middle part of the inner cavity hole of the valve body.
Furthermore, the opening and closing adjusting structure comprises a triangular toothed ring which is uniformly distributed on the peripheral surface of the head of the valve rod and a transverse straight-line groove which passes through the center of the shaft and is arranged on the top surface of the head of the valve rod.
Furthermore, the limiting ring and the upper end opening part of the inner cavity of the valve body are of an integrated connecting structure and are formed by adopting a mechanical extrusion necking process.
Furthermore, the valve core head is conical and is connected with the valve rod in a connected structure.
Furthermore, the sealing structure comprises a groove arranged on the circumferential surface of the lower part of the valve rod, and a sealing rubber ring is sleeved in the groove.
Compared with the prior art, the utility model has the advantages of: the exhaust valve only comprises a column valve body, a valve rod and a sealing rubber ring which are matched with each other and connected to form the exhaust valve, a connected valve core is arranged at the lower end of the valve rod, a contraction opening formed by an extrusion contraction opening process is adopted at the upper opening of the valve body to limit the upward and downward movement of the valve rod, and the overall structure of the exhaust valve is simplified to the maximum extent. The device has the characteristics of ingenious design, low cost, convenient use and high reliability.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-2, a heating pipeline exhaust valve includes a column valve body 1 and a valve rod 2, and is characterized in that: the valve comprises a valve body 1 and is characterized in that an inner cavity hole with a through upper end and a through lower end is axially arranged on the valve body 1, a pipe joint 11 is arranged at the lower end of the valve body 1, a valve port 12 is arranged at the lower part of the inner cavity hole of the valve body 1, a transverse exhaust hole 13 is arranged on the circumferential surface of the inner cavity hole of the valve body at one side of a step on the upper surface of the valve port 12, an internal thread connecting part 14 is arranged at the upper part of the inner cavity of the valve body 1, and a limit ring 15 is arranged at the upper end opening part of the inner cavity of the valve body 1.
The upper middle portion of the valve rod 2 is provided with an external thread connecting portion 21, the head of the valve rod 2 is provided with an opening and closing adjusting structure 22, a limiting groove 23 is formed in the circumferential surface of the valve rod between the bottom end of the opening and closing adjusting structure 22 and the upper end face of the external thread connecting portion 21, and the lower end of the valve rod 2 is provided with a valve core 24.
The valve rod 2 is inserted into the cavity hole of the valve body 1, the head of the valve rod 2 protrudes out of the top surface of the upper opening of the valve body 1, the external thread connecting part 21 on the valve rod 2 is in threaded connection with the internal thread connecting part 14 of the valve body 1, the lower shaft peripheral surface of the valve rod 2 is in sliding fit connection with the middle part of the cavity hole of the valve body 1, the valve core 24 corresponds to the valve port 12, the limiting ring 15 on the valve body 1 is positioned in the limiting groove 23 and is in sliding fit connection with the shaft peripheral surface of the limiting groove, and the valve rod 2 can move up and down corresponding to the valve body 1 by adjusting the head of the rotating valve rod 2 to enable the valve core 24 to close or open the valve port 12.
And a sealing structure 3 is also arranged between the lower shaft circumferential surface of the valve rod 2 and the middle connecting surface of the inner cavity hole of the valve body 1.
Further, the open-close adjusting structure 22 comprises a triangular toothed ring 221 uniformly distributed on the outer peripheral surface of the head of the valve rod 2 and a horizontal straight groove 222 passing through the center of the shaft on the top surface of the head of the valve rod 2.
Furthermore, the limiting ring 15 and the upper port part of the inner cavity of the valve body 1 are of an integral connecting structure and are formed by adopting a mechanical extrusion necking process.
Further, the head of the valve core 24 is conical and is connected with the valve rod 2 in a connected structure.
Further, the sealing structure 3 comprises a groove 25 arranged on the circumferential surface of the lower part of the valve rod 2, and the sealing rubber ring 4 is sleeved in the groove 25.
The utility model discloses discharge valve's application method: when the exhaust valve is used, the exhaust valve is only required to be directly connected with a branch interface at the inlet end of a heating pipeline, when the pipeline is required to be exhausted, the exhaust valve can be opened by rotating the head part of the valve rod of the exhaust valve anticlockwise through a tool, gas in the pipeline is exhausted from the transverse exhaust hole of the valve rod, and at the moment, if the exhaust valve is required to be closed, the head part of the valve rod of the exhaust valve is only required to be rotated clockwise.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a heating pipe says exhaust valve, includes column valve body (1) and valve rod (2), its characterized in that: an inner cavity hole with a through upper end and a through lower end is axially formed in the valve body (1), a pipe joint (11) is arranged at the lower end of the valve body (1), a valve port (12) is formed in the lower portion of the inner cavity hole of the valve body (1), a transverse exhaust hole (13) is formed in the circumferential surface of the inner cavity hole of the valve body on one side of the step on the upper surface of the valve port (12), an internal thread connecting portion (14) is formed in the upper portion of the inner cavity of the valve body (1), and a limiting ring (15) is arranged at the upper end opening portion of the inner cavity of the valve body (1);
the middle upper part of the valve rod (2) is provided with an external thread connecting part (21), the head part of the valve rod (2) is provided with an opening and closing adjusting structure (22), the circumferential surface of the valve rod between the bottom end of the opening and closing adjusting structure (22) and the upper end surface of the external thread connecting part (21) is provided with a limiting groove (23), and the lower end of the valve rod (2) is provided with a valve core (24);
the valve rod (2) is inserted into an inner cavity hole of the valve body (1), the head of the valve rod (2) protrudes out of the top surface of an upper opening of the valve body (1), an external thread connecting part (21) on the valve rod (2) is in threaded connection with an internal thread connecting part (14) of the valve body (1), the lower shaft peripheral surface of the valve rod (2) is in sliding fit connection with the middle part of the inner cavity hole of the valve body (1), the valve core (24) corresponds to the valve port (12), a limiting ring (15) on the valve body (1) is positioned in the limiting groove (23) and is in sliding fit connection with the shaft peripheral surface of the limiting groove, and the valve rod (2) can move up and down corresponding to the valve body (1) by adjusting the head of the rotating valve rod (2) so that the valve core (24) closes or opens the valve port (12);
and a sealing structure (3) is also arranged between the shaft periphery of the lower part of the valve rod (2) and the connecting surface of the middle part of the inner cavity hole of the valve body (1).
2. A heating pipeline exhaust valve according to claim 1, characterized in that: the opening and closing adjusting structure (22) comprises a triangular toothed ring (221) which is uniformly distributed on the peripheral surface of the head of the valve rod (2) and a transverse straight-line groove (222) which is arranged on the top surface of the head of the valve rod (2) and passes through the center of the shaft.
3. A heating pipeline exhaust valve according to claim 1, characterized in that: the limiting ring (15) and the upper port part of the inner cavity of the valve body (1) are of an integral connecting structure and are formed by adopting a mechanical extrusion necking process.
4. A heating pipeline exhaust valve according to claim 1, characterized in that: the head of the valve core (24) is conical and is connected with the valve rod (2).
5. A heating pipeline exhaust valve according to claim 1, characterized in that: the sealing structure (3) comprises a groove (25) formed in the circumferential surface of the lower portion of the valve rod (2), and a sealing rubber ring (4) is sleeved in the groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221841002.XU CN217842699U (en) | 2022-07-15 | 2022-07-15 | Exhaust valve for heating pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221841002.XU CN217842699U (en) | 2022-07-15 | 2022-07-15 | Exhaust valve for heating pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842699U true CN217842699U (en) | 2022-11-18 |
Family
ID=84037589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221841002.XU Active CN217842699U (en) | 2022-07-15 | 2022-07-15 | Exhaust valve for heating pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842699U (en) |
-
2022
- 2022-07-15 CN CN202221841002.XU patent/CN217842699U/en active Active
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