CN2541628Y - Unloading check valve of air compressor - Google Patents
Unloading check valve of air compressor Download PDFInfo
- Publication number
- CN2541628Y CN2541628Y CN 02219519 CN02219519U CN2541628Y CN 2541628 Y CN2541628 Y CN 2541628Y CN 02219519 CN02219519 CN 02219519 CN 02219519 U CN02219519 U CN 02219519U CN 2541628 Y CN2541628 Y CN 2541628Y
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- valve
- air compressor
- interface
- valve body
- spool
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Abstract
The utility model discloses an unloading check valve of an air compressor, which is provided with a valve body, wherein the side wall of the valve body is provided with an air inlet interface which is communicated with an inner cavity of the valve body, and the lower end of the valve body is provided with an interface which is connected with an air storage cylinder of the air compressor. The utility model is characterized in that a unidirectional damping valve core is arranged in the valve body which is communicated with the interface, the upper end of the valve body is provided with an interface which can be communicated with a pressure regulating valve of the air compressor through a pipeline, an unloading valve core is arranged in the valve body which is communicated with the interface, and an unloading air outlet interface is arranged on the valve body. The utility model has the advantages of novel structure, unique structure, simple and reasonable design, little resistance loss, sensitive work of the unloading valve, reliable seal of the check valve, high temperature resistance performance increase, long service life and good unloading emptying and noise-eliminating effect. The utility model saves power for a motor to a certain extent, and thus, the motor is not easy to burn out.
Description
The utility model relates to the air compressor accessory, is a kind of for matching used off-load safety check on the air compressor.
Air compressor is an a kind of purposes standard equipment very widely, can both see its trace in all trades and professions, is bringing into play important effect in national economy.Existing air compressor is structurally similar, and is especially also basic identical on accessory, as one-way valve, adopts the discharging type one-way valve with off-load effect in front substantially.But these discharging type one-way valve structures are still comparatively complicated, used components and parts are more, cost is also higher relatively, and it is more fragile, working life is also not ideal enough, sealing is poor, drag losses is big, particularly because the exhaust airstream of piston type air compressor is pulsed, existing discharging type one-way valve all comprises non-return valve core and off-load spool usually, the spool of safety check is patted strongly with the potted line generation of safety check under the effect of pulsing airflow, and spool very easily damages, and also there is similar problem in the off-load spool.
The purpose of this utility model provides that a kind of drag losses is little, work is sensitive, sealing is reliable, and it is effective that resistance to high temperature is good, long service life, off-load emptying are eliminated the noise, and can economize merit for motor, makes its not air compressor unloading one-way valve of easy burn-out.
Technical solution of the present utility model is: a kind of air compressor unloading one-way valve, a valve body is arranged, body wall has an intake interface that communicates with body cavity, valve body lower end has the interface that is connected with the air compressor gas receiver, it is characterized in that: with in the valve body that this interface is connected the unidirectional damping spool is housed; There is the interface that can be communicated with the air compressor pressure regulator valve by the road valve body upper end, and in the valve body that this interface is communicated with the off-load spool is housed, and the off-load interface of giving vent to anger is arranged on the valve body.
Off-load on the valve body described in the utility model interface of giving vent to anger is connected to tubaeform steam outlet pipe.In the tubaeform steam outlet pipe silencer is housed.The silencer that is equipped with in the tubaeform steam outlet pipe, its structure is: in the anterior oviduct of steam outlet pipe cylindrical hush tube is housed, the rear portion of hush tube has aperture, and muffler material is housed in the hush tube.Certainly, also can adopt other suitable giving vent to anger and noise elimination structure.
At intake interface and with body cavity between the interface that the air compressor gas receiver is connected a connecting port is arranged described in the utility model, the unidirectional damping spool be positioned at this connecting port towards interface one side that is connected with the air compressor gas receiver.The unidirectional damping spool is a goblet, it is loaded in the valve seat that is similarly cup-shaped, the rear end and the valve base chamber of unidirectional damping spool are equipped with spring, and the damping control gap is arranged between unidirectional damping spool and valve base inner wall, and the front end of unidirectional damping spool is fixed with a soft work valve block.Soft work valve block is the ring bodies of a polytetrafluoroethylmaterial material (PTFE), and the ring-type work valve block of polytetrafluoroethylmaterial material (PTFE) relies on bolt to fixedly connected with the front end of unidirectional damping spool.Certainly, also can adopt other suitable unidirectional damping structure.
Described in the utility model intake interface with can be by the road with interface that the air compressor pressure regulator valve is communicated with between body cavity another connecting port is arranged, the off-load spool is positioned at the valve body chamber towards interface one side that is communicated with the air compressor pressure regulator valve of this connecting port.The interface that is communicated with the air compressor pressure regulator valve is arranged in the access flap of valve body upper end, the off-load spool is positioned at valve body under the access flap, the off-load spool is connected with valve rod, the other end of valve rod is equipped with valve block, valve block is positioned at the body cavity that is communicated with intake interface one side of aforementioned another connecting port, between off-load spool and valve interior wall spring is housed.A side that contacts with connecting port of valve block is fixedly connected with the soft ring-type work valve block that gathers PTFE.Certainly, also can adopt other suitable off-load structure.
The utility model has the advantages that: the novel structure uniqueness, simplicity of design is reasonable, drag losses is little, the sealing of unloading valve work sensitivity, one-way valve is reliable, having improved resistance to high temperature, long service life, off-load emptying eliminates the noise effective, also economize merit for motor to a certain extent, make its not easy burn-out.
Below in conjunction with drawings and Examples the utility model is further described:
Accompanying drawing is the structural representation of a kind of air compressor unloading one-way valve of the present utility model.
Accompanying drawing has been described an embodiment of the present utility model.A valve body 1 is arranged in this embodiment, and valve body 1 sidewall has an intake interface 2 that communicates with valve body 1 inner chamber, and there is the interface 3 that is connected with the air compressor gas receiver valve body 1 lower end, and in the valve body 1 that this interface 3 is connected unidirectional damping spool 4 is housed; There is the interface 5 that can be communicated with the air compressor pressure regulator valve by the road valve body 1 upper end, and in the valve body 1 that this interface 5 is communicated with off-load spool 6 is housed, and the off-load interface 7 of giving vent to anger is arranged on the valve body 1.Off-load on the described valve body 1 interface 7 of giving vent to anger is connected to tubaeform steam outlet pipe 8.In the tubaeform steam outlet pipe 8 silencer is housed.The silencer that is equipped with in the tubaeform steam outlet pipe 8, its structure is: cylindrical hush tube 9 is housed in the anterior oviduct of steam outlet pipe 8, and the rear portion of hush tube 9 has aperture 10, and muffler material 11 is housed in the hush tube 9.Certainly, also can adopt other suitable giving vent to anger and noise elimination structure.
Described have a connecting port 12 at intake interface 2 and with valve body 1 inner chamber between the interface 3 that the air compressor gas receiver is connected, unidirectional damping spool 4 be positioned at this connecting port 12 towards interface 3 one sides that are connected with the air compressor gas receiver.Unidirectional damping spool 4 is a goblet, it is loaded in the valve seat 13 that is similarly cup-shaped, 13 of the rear end of unidirectional damping spool 4 and valve seats are equipped with spring 14, between unidirectional damping spool 4 and valve seat 13 inwalls damping control gap 24 is arranged, this damping control gap 24 can be according to the control of material of valve seat 13 and spool 4 about 10～20mm, and the front end of unidirectional damping spool 4 is fixed with a soft work valve block 15.Soft work valve block 15 is the ring bodies of a polytetrafluoroethylmaterial material (PTFE), and the ring-type work valve block 15 of polytetrafluoroethylmaterial material (PTFE) relies on bolt 16 to fixedly connected with the front end of unidirectional damping spool 4.Certainly, also can adopt other suitable unidirectional damping structure.
Described intake interface 2 with can be by the road with interface 5 that the air compressor pressure regulator valve is communicated with between valve body 1 inner chamber another connecting port 17 is arranged, off-load spool 6 is positioned at valve body 1 chamber towards interface 5 one sides that are communicated with the air compressor pressure regulator valve of this connecting port 17.The interface 5 that is communicated with the air compressor pressure regulator valve is arranged in the access flap 18 of valve body 1 upper end, off-load spool 6 is positioned at the valve body 1 under the access flap 18, off-load spool 6 is connected with valve rod 19, the other end of valve rod 19 is equipped with valve block 20, valve block 20 is positioned at the valve body that is communicated with intake interface 21 inner chamber one side of aforementioned another connecting port 17, between off-load spool 6 and valve body 1 inwall spring 21 is housed.A side that contacts with connecting port 17 of valve block 20 is fixedly connected with the soft ring-type work valve block 22 that gathers PTFE.Certainly, also can adopt other suitable off-load structure.
The foregoing description in use, compressed air at first is to be entered in the valve body 1 by intake interface 2, and enter the air compressor gas receiver by the interface 3 of lower end by damping nonreturn valve core 4, when the pressure in the air compressor gas receiver reaches rating value, the gas that comes from the air compressor gas receiver enters in the valve body 1 through tracheae and interface 5, and overcome the resistance of spring 21, off-load spool 6 is passed downwards, the connecting port 17 of off-load spool 6 lower sides is promptly communicated with intake interface 2, thereby and make gas reach assurance air compressor purpose of safe operation when off-load reaches the gas holder rated pressure by tubaeform hush tube 8 and the discharge of muffler part wherein.Simultaneously, because the special damping structure of unidirectional damping spool makes spool more durable, prolonged working life greatly, and improved the functional reliability of air compressor.
Claims (10)
1, a kind of air compressor unloading one-way valve, a valve body is arranged, body wall has an intake interface that communicates with body cavity, and valve body lower end has the interface that is connected with the air compressor gas receiver, it is characterized in that: with in the valve body that this interface is connected the unidirectional damping spool is housed; There is the interface that can be communicated with the air compressor pressure regulator valve by the road valve body upper end, and in the valve body that this interface is communicated with the off-load spool is housed, and the off-load interface of giving vent to anger is arranged on the valve body.
2, air compressor unloading one-way valve according to claim 1 is characterized in that: the interface of giving vent to anger of the off-load on the valve body is connected to tubaeform steam outlet pipe.
3, air compressor unloading one-way valve according to claim 2 is characterized in that: in the tubaeform steam outlet pipe silencer is housed.
4, air compressor unloading one-way valve according to claim 3, it is characterized in that: the silencer that is equipped with in the tubaeform steam outlet pipe, its structure is: in the anterior oviduct of steam outlet pipe cylindrical hush tube is housed, the rear portion of hush tube has aperture, and muffler material is housed in the hush tube.
5, according to claim 1 or 2,3,4 described air compressor unloading one-way valves, it is characterized in that: at intake interface and with body cavity between the interface that the air compressor gas receiver is connected a connecting port is arranged, the unidirectional damping spool be positioned at this connecting port towards interface one side that is connected with the air compressor gas receiver.
6, air compressor unloading one-way valve according to claim 5, it is characterized in that: the unidirectional damping spool is a goblet, it is loaded in the valve seat that is similarly cup-shaped, the rear end and the valve base chamber of unidirectional damping spool are equipped with spring, the damping control gap is arranged between unidirectional damping spool and valve base inner wall, and the front end of unidirectional damping spool is fixed with a soft work valve block.
7, air compressor unloading one-way valve according to claim 6 is characterized in that: soft work valve block is the ring bodies of a polytetrafluoroethylmaterial material, and the ring-type work valve block of polytetrafluoroethylmaterial material relies on bolt to fixedly connected with the front end of unidirectional damping spool.
8, according to claim 1 or 2,3,4 described air compressor unloading one-way valves, it is characterized in that: intake interface with can be by the road with interface that the air compressor pressure regulator valve is communicated with between body cavity another connecting port is arranged, the off-load spool is positioned at the valve body chamber towards interface one side that is communicated with the air compressor pressure regulator valve of this connecting port.
9, air compressor unloading one-way valve according to claim 8, it is characterized in that: the interface that is communicated with the air compressor pressure regulator valve is arranged in the access flap of valve body upper end, the off-load spool is positioned at valve body under the access flap, the off-load spool is connected with valve rod, the other end of valve rod is equipped with valve block, valve block is positioned at the body cavity that is communicated with intake interface one side of aforementioned another connecting port, between off-load spool and valve interior wall spring is housed.
10, air compressor unloading one-way valve according to claim 9 is characterized in that: a side that contacts with connecting port of valve block is fixedly connected with the soft ring-type work valve block that gathers PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219519 CN2541628Y (en) | 2002-03-21 | 2002-03-21 | Unloading check valve of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219519 CN2541628Y (en) | 2002-03-21 | 2002-03-21 | Unloading check valve of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2541628Y true CN2541628Y (en) | 2003-03-26 |
Family
ID=33697988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02219519 Expired - Fee Related CN2541628Y (en) | 2002-03-21 | 2002-03-21 | Unloading check valve of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2541628Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398823C (en) * | 2005-07-01 | 2008-07-02 | 邱克敏 | Combined pressure regulating valve |
| CN100430600C (en) * | 2005-12-29 | 2008-11-05 | 亚新科美联(廊坊)制动***有限公司 | Air compressor unloading device |
| CN101799009A (en) * | 2010-04-14 | 2010-08-11 | 天津凯德实业有限公司 | Unloading valve for pneumatic compressor |
| CN103016311A (en) * | 2012-12-17 | 2013-04-03 | 上海抛丸机械设备制造有限公司 | Unloading one-way valve applied to back flushing and dust cleaning system of dust collector |
-
2002
- 2002-03-21 CN CN 02219519 patent/CN2541628Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398823C (en) * | 2005-07-01 | 2008-07-02 | 邱克敏 | Combined pressure regulating valve |
| CN100430600C (en) * | 2005-12-29 | 2008-11-05 | 亚新科美联(廊坊)制动***有限公司 | Air compressor unloading device |
| CN101799009A (en) * | 2010-04-14 | 2010-08-11 | 天津凯德实业有限公司 | Unloading valve for pneumatic compressor |
| CN103016311A (en) * | 2012-12-17 | 2013-04-03 | 上海抛丸机械设备制造有限公司 | Unloading one-way valve applied to back flushing and dust cleaning system of dust collector |
| CN103016311B (en) * | 2012-12-17 | 2016-02-17 | 上海抛丸机械设备制造有限公司 | A kind of unloading one-way valve being applied to vacuum cleaner reverse gas cleaning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |