CN202215751U - Vent valve - Google Patents
Vent valve Download PDFInfo
- Publication number
- CN202215751U CN202215751U CN2011202612625U CN201120261262U CN202215751U CN 202215751 U CN202215751 U CN 202215751U CN 2011202612625 U CN2011202612625 U CN 2011202612625U CN 201120261262 U CN201120261262 U CN 201120261262U CN 202215751 U CN202215751 U CN 202215751U
- Authority
- CN
- China
- Prior art keywords
- guide pin
- pin bushing
- valve cover
- cavity
- exhaust joint
- 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.)
- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
A vent valve belongs to water heating equipment and comprises an upper valve cover, a lower valve cover and the like. The upper valve cover is in threaded connection with the lower valve cover, a rubber sealing pad is installed between the upper valve cover and the lower valve cover, floaters are installed in the upper valve cover and the lower valve cover, a support is welded to the upper ends of the floaters, a clamping hook is arranged at the upper end of the support, a lower cavity for installing an inner guide sleeve is arranged on the lower portion of a venting joint, an open slot is arranged at the bottom surface of the venting joint, the upper portion of the venting joint is in threaded connection with a guide cap, and a through hole is arranged on the lower portion of the inner guide sleeve. The clamping hook is installed in the lower cavity and sleeved on the through hole, one portion of the clamping hook is located in the open slot and connected with the venting joint through a pin shaft, a venting hole is arranged at the center of a sealing nozzle, an upper cavity for installing the sealing nozzle is arranged on the upper portion of the venting joint, the sealing nozzle is in threaded connection with the inside of the upper cavity, a seal ring is arranged between the sealing nozzle and the upper cavity, and the venting hole is communicated with the lower cavity. The upper valve cover and the lower valve cover are both made of cold-roll steel plates, and the floaters, the support and the clamping hook are all made of 304 stainless steel. The vent valve is simple to process and install, vents air, does not vent water, and is long in service life.
Description
Technical field
The utility model relates to hot-water heating equipment, relates to a kind of outlet valve specifically.
Background technique
The cast iron outlet valve that uses on the existing hot-water heating heating pipe comprises upper and lower valve gap, rubber gasket, float, exhaust joint, interior guide pin bushing, and upper and lower valve gap connects through bolt; Sealing gasket is installed between the upper and lower valve gap, and float is installed in the inner chamber of upper and lower valve gap, and float is an iron ball; The upper end welding retort stand of float, the support upper end is processed with a grab, the following cavity of guide pin bushing in the exhaust joint bottom is provided with and installs; The exhaust joint bottom surface is provided with the opening slot that communicates with following cavity, and the exhaust joint central upper portion is provided with the exhaust port that communicates with cavity, and the exhaust joint outer surface of upper is provided with the screw thread that is spirally connected with nut; The outer surface of interior guide pin bushing is cylindrical; The cross-sectional diameter of interior guide pin bushing is less than exhaust joint lower cavity internal diameter and greater than the aperture of exhaust port, and the upper end of interior guide pin bushing is provided with the cylinder shape groove of placing the cylindrical seal rubber cushion, and the bottom of interior guide pin bushing is provided with the through hole perpendicular to interior guide pin bushing axis; The grab of support is installed in the exhaust joint lower cavity; The part of grab is positioned at opening slot, and is connected with exhaust joint through bearing pin, and there is following shortcoming in existing this outlet valve:
(1) existing outlet valve is installed heaviness and is cast with sand holes by the cast iron manufacturing, leaks easily;
(2) ball float is an iron, and the corrosion that gets rusty easily makes in the valve to get rusty easily, and stops up relief opening, and formation is leaked;
(3) exhaust port is wholely set on exhaust joint, the inconvenience maintenance.
The model utility content
The purpose of the utility model provides a kind of outlet valve, and its installation and processing is easy, exhaust is smooth and easy, Never-rusty leaks.
In order to realize such scheme, the technical solution of the utility model is: a kind of outlet valve comprises upper and lower valve gap, rubber gasket, float, exhaust joint, interior guide pin bushing and guiding cap; Said upper and lower valve gap connects through bolt, and said rubber gasket is installed between the said upper and lower valve gap, and said float is installed in the inner chamber between the upper and lower valve gap; The upper end welding support of said float, the upper end of said support is processed with grab, the following cavity of guide pin bushing in the bottom of said exhaust joint is provided with and installs; The bottom surface of said exhaust joint is provided with the opening slot that communicates with following cavity, is spirally connected with the guiding cap after the top of said exhaust joint and nut are spirally connected, and the bottom of said interior guide pin bushing is provided with the through hole perpendicular to interior guide pin bushing axis; Said grab is installed in the said cavity down and is placed on the said through hole; The part of said grab is positioned at said opening slot and is connected with exhaust joint through bearing pin, wherein also comprises sealed mouth made of copper, and the center of said sealed mouth is provided with exhaust port; The top of said exhaust joint is provided with the upper plenum that sealed mouth is installed; Said sealed mouth is bolted in the said upper plenum, is provided with seal ring between said sealed mouth and the upper plenum, and said exhaust port communicates with said cavity down; Said upper and lower valve gap all is to be processed by cold rolled sheet, and said float, support and grab all are to be processed by 304 stainless steel materials.
The utility model outlet valve, wherein said in the outer surface of guide pin bushing be eight prismatic.
The utility model outlet valve, the upper end of wherein said interior guide pin bushing is provided with up-small and down-big cone-shaped groove, is placed with up-small and down-big conical seal rubber pad in the said groove.
The utility model outlet valve, wherein said exhaust joint, interior guide pin bushing and sealed mouth are processed by brass.
The utility model outlet valve, the upper end of wherein said sealed mouth is provided with straight groove.
After adopting such scheme, the utility model outlet valve replaces the integral design of existing exhaust port and exhaust joint through processing upper plenum and sealed mouth are spirally connected on exhaust joint top; Its processing is simple and can guarantee quality of processing, guarantees that exhaust is smooth and easy, is convenient to check whether exhaust joint inner chamber and exhaust nozzle have dirt; So that maintenance, the material with upper and lower valve gap adopts cold rolled sheet simultaneously, and its smooth surface does not have sand holes; Install lightly, moreover adopt 304 stainless steel materials to process float and support, can not get rusty in the valve; Also can not stop up relief opening, exhaust is smooth and easy water-tight.
Description of drawings
Fig. 1 is the sectional structure schematic representation of the utility model outlet valve;
Fig. 2 is the body cavity structural representation of the utility model outlet valve.
Embodiment
As shown in Figure 1, the utility model outlet valve comprises the sealed mouth 8 that interior guide pin bushing 6, guiding cap 7 and brass that bonnet 1 that cold rolled sheet processes and bottom flange 2, float 4 that rubber gasket 3,304 stainless steels are processed, exhaust joint 5, brass nut 20, brass that brass is processed are processed are processed.
In conjunction with shown in Figure 2; The top of exhaust joint 5 is processed with the upper plenum 53 that sealed mouth 8 is installed; Between sealed mouth 8 and the upper plenum 53 seal ring is installed, the following cavity 51 of guide pin bushing 6 in the bottom of exhaust joint 5 is processed with and installs, upper plenum 53 communicates with following cavity 51; The bottom surface of exhaust joint 5 is processed with the opening slot 52 that communicates with following cavity 51; The top of exhaust joint 5 and brass nut 20 back that is spirally connected is spirally connected with guiding cap 7, and the outer surface of interior guide pin bushing 6 is eight prismatic, and design is beneficial to the gaseous emission between interior guide pin bushing 6 and the exhaust joint 5 like this.The upper end of interior guide pin bushing 6 is processed with up-small and down-big cone-shaped groove 61, is placed with up-small and down-big conical seal rubber pad 9 in the groove 61.Design can guarantee that seal rubber pad 9 can be when interior guide pin bushing 6 moves up and down like this, when pipeline pressure changes, in being fixed on the guide pin bushing 6 and can not become flexible always.The bottom of interior guide pin bushing 6 is processed with the through hole 62 perpendicular to interior guide pin bushing 6 axis; Grab 42 on the support 41 is installed on down in the cavity 51 and is placed on the through hole 62; The part of grab 42 is positioned at opening slot 52 and is connected with exhaust joint 5 through bearing pin; The center of sealed mouth 8 is provided with exhaust port 81, and sealed mouth 8 is bolted in the upper plenum 53, between sealed mouth 8 and the upper plenum 53 seal ring 10 is installed.Exhaust port 81 communicates with following cavity 51.Sealed mouth 8 and exhaust joint upper plenum 53 be spirally connected, and to replace existing exhaust port and exhaust joint be integrated type in design, designs like this and be convenient to maintenance overhaul, and the assurance quality of processing makes the smooth and easy exhaust of exhaust port.Seal rubber pad 9 can also guarantee when interior guide pin bushing 6 upwards pushes up, exhaust port 81 to be sealed up.The upper-end surface of sealed mouth 8 is provided with straight groove 82, is convenient to sealed mouth 8 is bolted on the upper plenum 53, is convenient to dismounting and maintenance overhaul sealed mouth 8.
During use, when air accumulation density becomes big in the pipeline of heating water pipe, drawdown in the pipeline; Float 4 relies on self gravitation to move downward, and guide pin bushing 6 moves downward in making, and the air in the pipeline is discharged valve body from exhaust port 81; Introduce water place down through guiding cap 7, after the air in the heating water pipe had been arranged, water level began to rise in the pipeline; Float 4 is upwards floated; The support 41 of the connection on the float 4 moves upward the interior guide pin bushing of hook on the grab 42 6 jack-up upwards, makes seal rubber pad 9 sealings block exhaust port 81, makes outlet valve and extraneous seal.
The utility model outlet valve is convenient to dismounting and maintenance overhaul through processing upper plenum 53 is connected the integrated type exhaust joint that replaces existing top to have exhaust port with sealed mouth 8 on exhaust joint 5 tops, guarantees that exhaust is smooth and easy.Material with bonnet 1 and bottom flange 2 adopts cold rolled sheet, no sand holes phenomenon simultaneously.Inside and outside do preservative treatment, prevent the corrosion.Valve body is light and handy, and is easy for installation.Moreover adopt 304 stainless steel materials to process float 4 and the support 41, and Never-rusty in the valve can not stop up relief opening yet, and exhaust is water-tight, prolongs outlet valve working life.
The above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in related domain make the technological scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Claims (5)
1. an outlet valve comprises upper and lower valve gap (1,2), rubber gasket (3), float (4), exhaust joint (5), interior guide pin bushing (6) and guiding cap (7); Said upper and lower valve gap (1,2) connects through bolt, and said rubber gasket (3) is installed on said upper and lower valve gap (1; 2) between, said float (4) is installed in the inner chamber between the upper and lower valve gap (1,2); The upper end welding support (41) of said float (4), the upper end of said support (41) is processed with grab (42), the following cavity (51) of guide pin bushing (6) in the bottom of said exhaust joint (5) is provided with and installs; The bottom surface of said exhaust joint (5) is provided with the opening slot (52) that communicates with following cavity (51); The top of said exhaust joint (5) and nut (20) back that is spirally connected is spirally connected with guiding cap (7), said in the bottom of guide pin bushing (6) be provided with through hole (62) perpendicular to interior guide pin bushing (6) axis, said grab (42) is installed in the said cavity (51) down and is placed on the said through hole (62); The part of said grab (42) is positioned at said opening slot (52) and is connected with exhaust joint (5) through bearing pin; It is characterized in that: also comprise sealed mouth made of copper (8), the center of said sealed mouth (8) is provided with exhaust port (81), and the top of said exhaust joint (5) is provided with the upper plenum (53) that sealed mouth (8) is installed; Said sealed mouth (8) is bolted in the said upper plenum (53); Be provided with seal ring (10) between said sealed mouth (8) and the upper plenum (53), said exhaust port (81) communicates said upper and lower valve gap (1 with said cavity (51) down; 2) all be to be processed by cold rolled sheet, said float (4), support (41) and grab (42) all are to be processed by 304 stainless steel materials.
2. outlet valve as claimed in claim 1 is characterized in that: the outer surface of guide pin bushing (6) is eight prismatic in said.
3. according to claim 1 or claim 2 outlet valve, it is characterized in that: the upper end of guide pin bushing (6) is provided with up-small and down-big cone-shaped groove (61) in said, is placed with up-small and down-big conical seal rubber pad (9) in the said groove (61).
4. outlet valve as claimed in claim 3 is characterized in that: said exhaust joint (5), interior guide pin bushing (6) and sealed mouth (8) are processed by brass.
5. like the described outlet valve of one of claim 1-4, it is characterized in that: the upper end of said sealed mouth (8) is provided with straight groove (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202612625U CN202215751U (en) | 2011-07-22 | 2011-07-22 | Vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202612625U CN202215751U (en) | 2011-07-22 | 2011-07-22 | Vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215751U true CN202215751U (en) | 2012-05-09 |
Family
ID=46015007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202612625U Expired - Fee Related CN202215751U (en) | 2011-07-22 | 2011-07-22 | Vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335161A (en) * | 2013-06-04 | 2013-10-02 | 杭州润博流体设备有限公司 | Vacuum suppressor |
| CN110242787A (en) * | 2019-06-13 | 2019-09-17 | 莱州亚通重型装备有限公司 | A kind of high temperature corrosion-resisting ball-cock assembly |
-
2011
- 2011-07-22 CN CN2011202612625U patent/CN202215751U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335161A (en) * | 2013-06-04 | 2013-10-02 | 杭州润博流体设备有限公司 | Vacuum suppressor |
| CN110242787A (en) * | 2019-06-13 | 2019-09-17 | 莱州亚通重型装备有限公司 | A kind of high temperature corrosion-resisting ball-cock assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20180722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |