CN2795570Y - Automatic air discharge valve - Google Patents
Automatic air discharge valve Download PDFInfo
- Publication number
- CN2795570Y CN2795570Y CN 200520058469 CN200520058469U CN2795570Y CN 2795570 Y CN2795570 Y CN 2795570Y CN 200520058469 CN200520058469 CN 200520058469 CN 200520058469 U CN200520058469 U CN 200520058469U CN 2795570 Y CN2795570 Y CN 2795570Y
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- control signal
- air discharge
- automatic air
- 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 - Lifetime
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Abstract
The utility model discloses an automatic air discharge valve. The automatic air discharge valve is characterized in that the automatic air discharge valve comprises a valve body, a valve core and a joint. The valve core is arranged in the valve body. An air inlet of a pressure container, an exhaust opening of the pressure container, a control signal inlet and a control signal outlet are arranged in the valve body. One end of the valve core is used for opening and closing the air inlet of the pressure container and the exhaust opening of the pressure container, and the other end of the valve core is connected with the control signal inlet and the control signal outlet. The automatic air discharge valve of the utility model is mainly composed of the valve body and the valve core. A channel between the air inlet and the exhaust opening of the pressure container is opened or closed by the up and down move of the valve core. The integral automatic air discharge valve has simple structure and low price. The automatic air discharge valve is entirety composed of mechanical parts and mechanical components. The size of a through diameter of the automatic air discharge valve is not restricted. The automatic air discharge valve has high safe performance and reliable operation. The utility model is suitable for a civil compressor, and is particularly suitable for a mine compressor with a high explosion-proof requirement.
Description
Technical field
The utility model belongs to the Compressor Technology field, is the technology of pressurized container bleed valve specifically.
Background technique
Compressor is when off-load or shutdown, and in order to reduce load or to guarantee safety, the knock out drum, gas holder, the liquid gas knockout drum equal pressure container that join with compressor need venting, the pressure in the toilet-cleaning jar.For example when compressor during in off-load, the pressure that discharges liquid gas knockout drum can reduce the load of compressor; When compressor shutdown, the pressure that discharges liquid gas knockout drum can be guaranteed safety.Pressure in the toilet-cleaning jar must be finished by a bleed valve, and the bleed valve that existing compressor uses generally adopts solenoid valve, controls the action of finishing bleed valve by pressure signal and PLC.In civilian compressor, generally control by the solenoid valve of a 2/2-way, when compressor displacement is very big, need the solenoid valve of very big latus rectum, the solenoid valve of big latus rectum exists poor reliability, expensive shortcoming; In mining compressor, also need a solenoid valve, there are poor reliability, expensive shortcoming equally, and in use also have the possibility of blast.
Summary of the invention
The purpose of this utility model provides a kind of good reliability, low price and has the valve air relief of explosion prevention function.
The utility model is achieved through the following technical solutions.
A kind of valve air relief, it is characterized in that: described bleed valve comprises valve body, spool and joint, spool places in the valve body, be provided with pressurized container suction port, pressurized container relief opening, control signal import and control signal outlet in the valve body, one end of spool is used for opening and closing of pressurized container suction port and pressurized container relief opening, and the other end of spool and control signal inlet/outlet join.
Described pilot pressure container air inlet and the pressurized container Exhaust Open of being used for is provided with seal ring with the spool end place that closes.
Described pilot pressure container air inlet and the pressurized container Exhaust Open of being used for can be cone match with the spool end of closing.
Described spool conical surface place is provided with seal ring.
Surface of contact place between described spool and the valve body is provided with seal ring.
Be provided with restriction in the control signal import in the described joint.
The utility model compared with prior art has the following advantages.
The utility model valve air relief mainly is made of valve body and spool, opens or closes passage between pressurized container suction port and the relief opening, simple in structure, the low price of whole bleed valve by moving up and down of spool.Bleed valve all is made up of component of machine, and the latus rectum size is unfettered, and is safe and reliable.The utility model not only is suitable for civilian compressor, more is applicable to the mining compressor higher to requirement of explosion proof.
Description of drawings
Fig. 1 is the structural representation of the utility model valve air relief embodiment ();
Fig. 2 is the structural representation of the utility model valve air relief embodiment (two).
Embodiment
Below in conjunction with accompanying drawing the utility model valve air relief is described in further detail.
As shown in Figure 1, valve air relief mainly is made up of with joint 1 valve body 2, spool 4, and spool 4 places in the valve body 2, and joint 1 is installed on the valve body 2.Be provided with pressurized container suction port d, pressurized container relief opening c, control signal import a and control signal outlet b in the valve body 2, suction port d links to each other with pressurized container, control signal import a is arranged in the joint 1, the end of control signal import a is provided with restriction, and control signal import a communicates with control signal outlet b by restriction.Spool 4 places in the column cavity in the valve body 2, can slide up and down in cavity, and spool 4 locates to be provided with seal ring 3 with the position that contacts of column cavity inner wall.Passage between pressurized container suction port d and the pressurized container relief opening c moves up and down by spool 4 to be realized opening or closing, its main structure is for to be provided with seal ring 5 at spool end and pressurized container suction port end, perhaps be designed to cone match in the connecting part of spool 4 and pressurized container suction port d, conical surface place is provided with seal ring, and the other end of spool 4 and control signal inlet/outlet a, b join.Its working principle is: when compressor start, pressurized gas enters control letter import a rapidly, and the effect that spool 4 upper ends are under pressure moves down, and spool 4 is closed pressurized container suction port d, and pressurized container begins build-up pressure.When pressurized container need be exitted, open with the control valve that control signal outlet b links to each other, pressurized gas discharges from control signal outlet b, pressure in the chamber, spool 4 upper end descends suddenly, the be under pressure effect of pressure of container of spool 4 lower ends moves up, thereby pressurized container suction port d and pressurized container relief opening c are connected, and the gas in the pressurized container is discharged by relief opening c.When pressurized container will stop to exit, shut with the control valve that control signal outlet b links to each other, pressure in the chamber, spool 4 upper end rises, when pressure reaches certain value, spool 4 moves down, the pathway closure between pressurized container suction port d and the pressurized container relief opening c, thereby make pressurized container stop venting.The control valve that links to each other with control signal outlet b can be a solenoid valve, also can be Pneumatic valve.
In Fig. 2 embodiment control signal import a is designed on valve body 2, pressurized container suction port d designs on pipe joint 6.Certainly spool 4 upper ends can add suitable spring.The utility model has only been lifted two kinds of embodiments and has been described its working principle, certainly is designed to other structure and reaches same result, so capital and interest are not limited to two kinds of embodiments for example, also belongs to protection domain as long as relate to the utility model principle.
When the utility model is applied in the civilian compression, can control the valve air relief of a very big latus rectum with a very little solenoid valve or Pneumatic valve.Because little solenoid valve or Pneumatic valve reliability height, cost is low, like this than directly with the solenoid valve or the Pneumatic valve reliability height of a very big latus rectum, cost is low.When the utility model is used on the mining compressor, can control the action of valve air relief with a very little Pneumatic valve, realize that the full gas control of mining compressor adds uninstalling system automatically, have safe, reliability is high, low cost and other advantages.
In sum, simple in structure, the low price of the utility model, and also the utility model all is made up of component of machine, and the latus rectum size is unfettered, and is safe and reliable.The utility model not only is suitable for civilian compressor, more is applicable to the mining compressor higher to requirement of explosion proof, and for mining compressor provides a Security, reliability higher, the valve that cost is lower has very big using value.
Claims (6)
1, a kind of valve air relief, it is characterized in that: described bleed valve comprises valve body, spool and joint, spool places in the valve body, be provided with pressurized container suction port, pressurized container relief opening, control signal import and control signal outlet in the valve body, one end of spool is used for opening and closing of pressurized container suction port and pressurized container relief opening, and the other end of spool and control signal inlet/outlet join.
2, valve air relief according to claim 1 is characterized in that: described pilot pressure container air inlet and the pressurized container Exhaust Open of being used for is provided with seal ring with the spool end place that closes.
3, valve air relief according to claim 1 is characterized in that: described pilot pressure container air inlet and the pressurized container Exhaust Open of being used for can be cone match with the spool end of closing.
4, valve air relief according to claim 3 is characterized in that: described spool conical surface place is provided with seal ring.
5, valve air relief according to claim 1 is characterized in that: the surface of contact place between described spool and the valve body is provided with seal ring.
6, valve air relief according to claim 1 is characterized in that: be provided with restriction in the control signal import in the described joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520058469 CN2795570Y (en) | 2005-05-13 | 2005-05-13 | Automatic air discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520058469 CN2795570Y (en) | 2005-05-13 | 2005-05-13 | Automatic air discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2795570Y true CN2795570Y (en) | 2006-07-12 |
Family
ID=36813325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520058469 Expired - Lifetime CN2795570Y (en) | 2005-05-13 | 2005-05-13 | Automatic air discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2795570Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383440C (en) * | 2005-05-13 | 2008-04-23 | 广东正力精密机械有限公司 | Automatic release valve |
-
2005
- 2005-05-13 CN CN 200520058469 patent/CN2795570Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383440C (en) * | 2005-05-13 | 2008-04-23 | 广东正力精密机械有限公司 | Automatic release valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080423 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |