CN212273340U - Exhaust valve with good air tightness - Google Patents
Exhaust valve with good air tightness Download PDFInfo
- Publication number
- CN212273340U CN212273340U CN202021047002.3U CN202021047002U CN212273340U CN 212273340 U CN212273340 U CN 212273340U CN 202021047002 U CN202021047002 U CN 202021047002U CN 212273340 U CN212273340 U CN 212273340U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- valve body
- flange
- connecting flange
- exhaust valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a discharge valve that air tightness can be good relates to discharge valve technical field, including discharge valve body, valve body connecting pipe and external connecting pipe. The utility model discloses an inlay two-layer sealing washer in the ring seal groove that the adjacent side of flange of being connected between valve body connecting pipe and external connecting pipe was seted up, can be so that the gas tightness between valve body connecting pipe and the external connecting pipe is better, the sealing washer is located the ring seal groove simultaneously, and be provided with in the sealing washer and be used for carrying out the ring of inserting of consolidating to the sealing washer structure, can effectually prevent that flange from producing the problem that makes the sealing washer spill over after extrudeing to the sealing washer, thereby can be further promote the gas tightness between valve body connecting pipe and the external connecting pipe, and when connecting two flanges through the locking bolt, the internal thread sleeve that the screw thread cup jointed can make the connection effect between two flanges better on two flange outer walls.
Description
Technical Field
The utility model relates to an exhaust valve technical field specifically is an exhaust valve that air tightness can be 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. Because water usually has some dissolved air, and the solubility of air decreases with increasing temperature, the gas gradually separates from water during circulation and gradually gathers together to form large bubbles and even gas columns, and because of the supplement of water, gas is often generated.
Most of existing exhaust valves only pay attention to the air tightness of an exhaust valve body, the air tightness between the exhaust valve body and an external connecting pipe is ignored, the air tightness between the exhaust valve body and the external connecting pipe only performs sealing action through a rubber gasket between connecting flanges, the rubber gasket can be overflowed by the outer edge of the connecting flanges under the extrusion of the connecting flanges, and therefore the air tightness between the exhaust valve body and the valve body connecting pipe is poor.
Therefore, the exhaust valve with good air tightness performance is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
One) technical problem to be solved
The utility model aims at providing a discharge valve that air tightness is good in order to compensate the not enough of prior art.
II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a discharge valve that air tightness performance is good, includes exhaust valve body, valve body connecting pipe and external connecting pipe, the valve body connecting pipe of exhaust valve body bottom sets up the top of external connection takeover, the fixed cover of valve body connecting pipe on being close to the outer pipe wall of external connecting pipe one end has connect first flange, the fixed cover of external connecting pipe on being close to the outer pipe wall of valve body connecting pipe one end has connect second flange, the internal thread sleeve has been cup jointed jointly on the outer wall of first flange and second flange, annular seal groove has all been seted up on the lateral wall of the adjacent one side of first flange and second flange, annular seal groove's inside is provided with first sealing washer and second sealing washer, the second sealing washer sets up the inboard at first sealing washer.
Furthermore, the outer walls of the first connecting flange and the second connecting flange are both provided with external threads corresponding to the internal thread sleeve, and the internal thread sleeve is in threaded connection with the outer walls of the first connecting flange and the second connecting flange.
Furthermore, a plurality of locking bolts are arranged at the bottom of the second connecting flange at equal intervals and penetrate through one end of the second connecting flange to be in threaded connection with the first connecting flange.
Furthermore, a first annular slot is formed in the top of the first sealing ring, a first inserting ring is inserted into the first annular slot, and the first inserting ring is fixedly connected with the inner top wall of the annular sealing groove in the first connecting flange.
Furthermore, a second annular slot is formed in the bottom of the second sealing ring, a second inserting ring is inserted into the second annular slot in an inserting mode, and the second inserting ring is fixedly connected with the inner bottom wall of the annular sealing groove in the second connecting flange.
Further, the first sealing ring and the second sealing ring are made of rubber materials.
Thirdly), the beneficial effects are as follows:
compared with the prior art, the exhaust valve with good air tightness has the following beneficial effects:
the utility model discloses an inlay two-layer sealing washer in the ring seal groove that the adjacent side of flange of being connected between valve body connecting pipe and external connecting pipe was seted up, can make the gas tightness between valve body connecting pipe and the external connecting pipe better, the sealing washer is located the ring seal groove simultaneously, and be provided with in the sealing washer and be used for carrying out the ring of inserting of consolidating to the sealing washer structure, can effectually prevent that flange from producing the problem that makes the sealing washer spill over after extrudeing to the sealing washer, thereby can be further promote the gas tightness between valve body connecting pipe and the external connecting pipe, and when connecting two flanges through the locking bolt, the internal thread sleeve that the screw thread cup jointed can make the connection effect between two flanges better on two flange outer walls, thereby can effectual improvement discharge valve's gas tightness.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a front view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a schematic structural view of a second connecting flange according to the present invention;
fig. 4 is a schematic structural diagram of the first seal ring of the present invention.
In the figure: 1. an exhaust valve body; 2. the valve body connecting pipe; 3. connecting pipes are externally connected; 4. a first connecting flange; 5. a second connecting flange; 6. an internally threaded sleeve; 7. locking the bolt; 8. an annular seal groove; 9. a first seal ring; 10. a second seal ring; 11. a first annular slot; 12. a second annular socket; 13. a first insert ring; 14. a second insert ring.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a discharge valve that air tightness performance is good, including exhaust valve body 1, valve body connecting pipe 2 and external connecting pipe 3, valve body connecting pipe 2 of exhaust valve body 1 bottom sets up the top of external connecting pipe 3, fixed the cup jointing has first connecting flange 4 on the outer pipe wall that valve body connecting pipe 2 is close to 3 one ends of external connecting pipe, fixed the cup jointing has second connecting flange 5 on the outer pipe wall that external connecting pipe 3 is close to 2 one ends of valve body connecting pipe, the internal thread sleeve 6 has cup jointed jointly on the outer wall of first connecting flange 4 and second connecting flange 5, annular seal groove 8 has all been seted up on the lateral wall of the adjacent one side of first connecting flange 4 and second connecting flange 5, the inside of annular seal groove 8 is provided with first sealing washer 9 and second sealing washer 10, second sealing washer 10 sets up the inboard at first sealing washer 9.
All correspond internal thread sleeve 6 on the outer wall of first flange 4 and second flange 5 and seted up the external screw thread, and 6 threaded connection of internal thread sleeve are on the outer wall of first flange 4 and second flange 5, can be so that the effect of being connected between valve body connecting pipe 2 and the external connecting pipe 3 is better.
The bottom of second flange 5 is equidistant to be provided with a plurality of locking bolt 7, and locking bolt 7 passes the one end of second flange 5 and pegs graft with first flange 4 screw thread, and locking bolt 7 can be effectual be connected between first flange 4 and the second flange 5.
First annular slot 11 has been seted up at the top of first sealing washer 9, and the inside grafting of first annular slot 11 has first ring 13 of inserting, and first ring 13 and the interior roof fixed connection of annular seal groove 8 on the first flange 4 of inserting, first ring 13 of inserting can be consolidated first sealing washer 9's structure, can make first sealing washer 9's life longer.
A second annular slot 12 is formed in the bottom of the second sealing ring 10, a second inserting ring 14 is inserted into the second annular slot 12, the second inserting ring 14 is fixedly connected with the inner bottom wall of the annular sealing groove 8 on the second connecting flange 5, and the second inserting ring 14 can reinforce the structure of the second sealing ring 10, so that the service life of the second sealing ring 10 is longer.
The first sealing ring 9 and the second sealing ring 10 are both made of rubber materials, and the first sealing ring 9 and the second sealing ring 10 made of the rubber materials have excellent corrosion resistance.
The working principle is as follows: the valve body connecting pipe 2 is aligned with the external connecting pipe 3, the valve body connecting pipe 2 is tightly connected with the external connecting pipe 3 by using a locking bolt 7, after the connection is finished, an internal thread sleeve 6 is sleeved on the outer walls of the first connecting flange 4 and the second connecting flange 5 in a threaded manner, the internal thread sleeve 6 sleeved on the outer walls of the two connecting flanges in a threaded manner can ensure that the connection effect between the two connecting flanges is better, when in use, two layers of sealing rings are embedded in an annular sealing groove 8 arranged at the adjacent side of the connecting flange between the valve body connecting pipe 2 and the external connecting pipe 3, the air tightness between the valve body connecting pipe 2 and the external connecting pipe 3 can be better, meanwhile, the sealing rings are positioned in the annular sealing groove 8, and an insert ring for reinforcing the structure of the sealing rings is arranged in the sealing rings, so that the problem that the sealing rings overflow is caused after the connecting flanges, thereby can further promote the gas tightness between valve body connecting pipe 2 and the external connecting pipe 3 for the gas tightness of discharge valve further obtains promoting.
It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The exhaust valve with good air tightness is characterized by comprising an exhaust valve body (1), a valve body connecting pipe (2) and an external connecting pipe (3), wherein the valve body connecting pipe (2) at the bottom of the exhaust valve body (1) is arranged above the external connecting pipe (3), a first connecting flange (4) is fixedly sleeved on the outer pipe wall of one end, close to the external connecting pipe (3), of the valve body connecting pipe (2), a second connecting flange (5) is fixedly sleeved on the outer pipe wall of one end, close to the valve body connecting pipe (2), of the external connecting pipe (3), an internal thread sleeve (6) is commonly sleeved on the outer walls of the first connecting flange (4) and the second connecting flange (5), annular sealing grooves (8) are formed in the side walls of one adjacent sides of the first connecting flange (4) and the second connecting flange (5), a first sealing ring (9) and a second sealing ring (10) are arranged inside the annular sealing grooves (8), the second sealing ring (10) is arranged on the inner side of the first sealing ring (9).
2. The exhaust valve with good air tightness according to claim 1, characterized in that: the outer wall of the first connecting flange (4) and the outer wall of the second connecting flange (5) are both provided with external threads corresponding to the internal thread sleeve (6), and the internal thread sleeve (6) is in threaded connection with the outer wall of the first connecting flange (4) and the outer wall of the second connecting flange (5).
3. The exhaust valve with good air tightness according to claim 1, characterized in that: the bottom of the second connecting flange (5) is provided with a plurality of locking bolts (7) at equal intervals, and the locking bolts (7) penetrate through one end of the second connecting flange (5) and are in threaded connection with the first connecting flange (4).
4. The exhaust valve with good air tightness according to claim 1, characterized in that: first annular slot (11) have been seted up at the top of first sealing washer (9), the inside grafting of first annular slot (11) has first ring (13) of inserting, first ring (13) of inserting and the interior roof fixed connection of annular seal groove (8) on first flange (4).
5. The exhaust valve with good air tightness according to claim 1, characterized in that: a second annular slot (12) is formed in the bottom of the second sealing ring (10), a second inserting ring (14) is inserted into the second annular slot (12), and the second inserting ring (14) is fixedly connected with the inner bottom wall of the annular sealing groove (8) on the second connecting flange (5).
6. The exhaust valve with good air tightness according to claim 1, characterized in that: the first sealing ring (9) and the second sealing ring (10) are both made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021047002.3U CN212273340U (en) | 2020-06-09 | 2020-06-09 | Exhaust valve with good air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021047002.3U CN212273340U (en) | 2020-06-09 | 2020-06-09 | Exhaust valve with good air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212273340U true CN212273340U (en) | 2021-01-01 |
Family
ID=73882347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021047002.3U Active CN212273340U (en) | 2020-06-09 | 2020-06-09 | Exhaust valve with good air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212273340U (en) |
-
2020
- 2020-06-09 CN CN202021047002.3U patent/CN212273340U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212273340U (en) | Exhaust valve with good air tightness | |
| CN209368992U (en) | A kind of municipal works drainage pipe connection component being easily installed | |
| CN216689605U (en) | Stainless steel pipeline diverging device | |
| CN212840028U (en) | Polyethylene pipe connection sealing structure | |
| CN211550877U (en) | Novel anti-permeation high-temperature double-wall corrugated drain pipe | |
| CN213147008U (en) | Heat collection water tank structure for pressure-bearing solar water heater | |
| CN209910224U (en) | Crotch type pressure reducing air conditioner branch pipe | |
| CN210263294U (en) | Sewer for municipal administration | |
| CN210106854U (en) | PE bellows for municipal drainage | |
| CN218326727U (en) | Building construction water supply and drainage pipeline mounting structure | |
| CN205781525U (en) | Water pipe connector, water tank and water heater | |
| CN218625825U (en) | Building drainage antiseep connecting piece | |
| CN218455038U (en) | Seepage-proofing structure of water supply and drainage pipe | |
| CN217635834U (en) | Large-flow water dividing and collecting device | |
| CN211346964U (en) | F-shaped quick-mounting gas meter connector | |
| CN211158345U (en) | Groove type ground water pump adapter | |
| CN216976197U (en) | Inclined tee joint and drainage system | |
| CN210770943U (en) | Connecting joint for automobile plastic ventilation pipe | |
| CN209726524U (en) | A kind of tank seal connector | |
| CN209781936U (en) | Be used for artifical pressurization of geothermal well individual well to recharge and use pipeline connection structure | |
| CN217030349U (en) | Leak-proof sealing flange | |
| CN214618409U (en) | Internal thread tee bend pipe fitting that leakproofness is strong | |
| CN213809403U (en) | Integral type water pipe head | |
| CN216659537U (en) | Sojourn car roof drainage structure | |
| CN209943742U (en) | Novel fluid pipeline joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |