CN202756644U - Precision air current throttle valve - Google Patents
Precision air current throttle valve Download PDFInfo
- Publication number
- CN202756644U CN202756644U CN 201220244557 CN201220244557U CN202756644U CN 202756644 U CN202756644 U CN 202756644U CN 201220244557 CN201220244557 CN 201220244557 CN 201220244557 U CN201220244557 U CN 201220244557U CN 202756644 U CN202756644 U CN 202756644U
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- Prior art keywords
- valve
- valve seat
- hole
- air outlet
- valve body
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of valve control and particularly relates to a precision air current throttle valve. An air inlet is arranged on one side of a valve body, an air outlet is arranged on the other side of the valve body, a valve seat installation hole is arranged in the middle of the valve body and is in sealing screw connection with a valve seat which is axially provided with a blind hole, an air inlet hole which is communicated with an axial through hole is arranged on the side surface of the valve seat, an air outlet hole which is communicated with the blind hole is arranged at the bottom of the valve seat, the air inlet hole on the valve seat is communicated with the air inlet on the valve body, the air outlet hole on the valve seat is communicated with the air outlet on the valve body, a valve rod is in sealing screw connection with the upper portion of the blind hole of the valve seat, a valve core is formed on the lower portion of the valve rod, the valve core axially moves on the air outlet hole so that air current quantity of the air outlet hole can be controlled, and the upper portion of the valve rod extends out of a valve seat and is provided with a cylindrical rotation handle. The precision air current throttle valve has the advantages of being simple in structure, accurate in matching, convenient to maintain and install and low in cost.
Description
Technical field
The utility model belongs to technical field of valve control, refers in particular to a kind of accurate air-flow throttle valve.
Background technique
Throttle valve is by changing orifice size or chock length with the valve of control fluid flow, the throttle valve of prior art generally comprises valve body, spool and adjustable lever, be provided with medium import and media outlet at valve body, the valve seat of throttle valve is molded in the valve body, adjustable lever is in order to the position of regulating spool in valve body, thereby adjust the matching gap of spool and valve seat to regulate rate-of flow, because valve seat is molded in the valve body, spool is to screw on the valve seat by the lining that is screwed onto on the valve body, easily cause cooperation inaccurate, seal bad, complex structure, operation bothers relatively, this moment, rate of fault was also higher, was unfavorable for maintenance, made troubles to use.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, cooperate accurate air-flow throttle valve accurate, easy for installation.
The purpose of this utility model is achieved in that
A kind of accurate air-flow throttle valve, one side of valve body is provided with suction port, opposite side is provided with the air outlet, the middle part of valve body is provided with the valve seat mounting hole, sealing is bolted with the valve seat that blind hole is axially arranged on the valve seat mounting hole, be provided with the inlet hole that is communicated with axial hole on the side of valve seat, the bottom is provided with the air outlet hole that is communicated with blind hole, inlet hole on the valve seat is communicated with suction port on the valve body, air outlet hole on the valve seat is communicated with air outlet on the valve body, the top seal of the blind hole of valve seat is bolted with valve rod, the bottom of valve rod forms spool, spool moves axially the controlled air flow rate of making pore on air outlet hole, it is outer and be provided with columniform swing handle that valve seat is stretched out on the top of valve rod.
Form fixing part on the valve seat of above-mentioned valve seat and valve body junction, be provided with outside thread on the valve seat external cylindrical surface on the fixing part.
Air outlet hole on the above-mentioned valve seat is a cone shape hole, and the spool that matches with cone shape hole is a taper, and the valve rod of taper upside has one section necking part, forms the bulge loop of sealing usefulness on the valve rod on the necking part.
The external diameter of above-mentioned spool is less than the internal diameter of blind hole, and the gas-entered passageway that valve body is communicated with valve seat is positioned on the spool along on the valve body and valve seat at place.
The lower end of the air outlet hole on the above-mentioned valve seat is outward extended with chimb, is communicated with the outlet passageway sealing docking of air outlet on chimb and the valve body.
Be provided with seal ring between above-mentioned valve body and the valve seat.
Be provided with plural mounting hole on the above-mentioned valve body.
The utility model compared to existing technology outstanding and useful technique effect is:
1, be provided with suction port and air outlet on the valve body of the present utility model, valve seat is arranged on the middle part of valve body, and is simple in structure, easy to install and use.
2, valve seat of the present utility model and valve rod are made separately, and the bottom of valve rod forms spool, and be simple to operate in the working procedure so that valve seat is accurate with cooperating of spool, easily overhauls, keeps in repair when occurring stopping up.
3, be provided with seal ring between valve body of the present utility model and the valve seat, strengthened sealing effect.
Description of drawings
Fig. 1 is structure sectional view of the present utility model.
Fig. 2 is the sectional view of valve body of the present utility model.
Fig. 3 is the sectional view of valve seat of the present utility model.
Fig. 4 is that the utility model spool and valve rod are installed in the stereogram on the valve seat.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2:
A kind of accurate air-flow throttle valve, one side of valve body 1 is provided with suction port 11, opposite side is provided with air outlet 12, the middle part of valve body 1 is provided with valve seat mounting hole 2, sealing is bolted with the valve seat 4 that blind hole 45 is axially arranged on the valve seat mounting hole 2, be provided with the inlet hole 41 that is communicated with axial hole on the side of valve seat 4, the bottom is provided with the air outlet hole 43 that is communicated with blind hole 45, inlet hole 41 on the valve seat 4 is communicated with suction port 11 on the valve body 1, air outlet hole 43 on the valve seat 4 is communicated with air outlet 12 on the valve body 1, the top seal of the blind hole 45 of valve seat 4 is bolted with valve rod 5, the bottom of valve rod 5 forms spool 6, spool 6 moves axially the controlled air flow rate of making pore 43 on air outlet hole 43, it is outer and be provided with columniform swing handle 7 that valve seat 4 is stretched out on the top of valve rod 5.
Form fixing part 3 on the valve seat 4 of above-mentioned valve seat 4 and valve body 1 junction, be provided with outside thread 44 on valve seat 4 external cylindrical surfaces on the fixing part 3.
The external diameter of above-mentioned spool 6 is less than the internal diameter of blind hole, and the gas-entered passageway 14 that valve body 1 is communicated with valve seat 4 is positioned on the spool 6 along on the valve body 1 and valve seat 4 at place.
The lower end of the air outlet hole 43 on the above-mentioned valve seat 4 is outward extended with chimb 42, is communicated with the outlet passageway sealing docking of air outlet on chimb 42 and the valve body 1, and namely chimb 42 is tightly connected with valve body 1, the air outlet 12 relative connections on the air outlet hole 43 on the valve seat 4 and the valve body 1.
Be provided with seal ring 8 between above-mentioned valve body 1 and the valve seat 4, guarantee the good seal of valve body 1 and valve seat 4.
Be provided with plural mounting hole 13 on the above-mentioned valve body 1, so that the utility model is installed on the position relevant on the equipment.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (7)
1. accurate air-flow throttle valve, one side of valve body is provided with suction port, opposite side is provided with the air outlet, it is characterized in that: the middle part of valve body is provided with the valve seat mounting hole, sealing is bolted with the valve seat that blind hole is axially arranged on the valve seat mounting hole, be provided with the inlet hole that is communicated with axial hole on the side of valve seat, the bottom is provided with the air outlet hole that is communicated with blind hole, inlet hole on the valve seat is communicated with suction port on the valve body, air outlet hole on the valve seat is communicated with air outlet on the valve body, the top seal of the blind hole of valve seat is bolted with valve rod, the bottom of valve rod forms spool, spool moves axially the controlled air flow rate of making pore on air outlet hole, it is outer and be provided with columniform swing handle that valve seat is stretched out on the top of valve rod.
2. a kind of accurate air-flow throttle valve according to claim 1 is characterized in that: form fixing part on the valve seat of described valve seat and valve body junction, be provided with outside thread on the valve seat external cylindrical surface on the fixing part.
3. a kind of accurate air-flow throttle valve according to claim 1, it is characterized in that: the air outlet hole on the described valve seat is a cone shape hole, the spool that matches with cone shape hole is a taper, the valve rod of taper upside has one section necking part, forms the bulge loop of sealing usefulness on the valve rod on the necking part.
4. a kind of accurate air-flow throttle valve according to claim 1 is characterized in that: the external diameter of described spool is less than the internal diameter of blind hole, and the gas-entered passageway that valve body is communicated with valve seat is positioned on the spool along on the valve body and valve seat at place.
5. a kind of accurate air-flow throttle valve according to claim 1, it is characterized in that: the lower end of the air outlet hole on the described valve seat is outward extended with chimb, is communicated with the outlet passageway sealing docking of air outlet on chimb and the valve body.
6. a kind of accurate air-flow throttle valve according to claim 1 is characterized in that: be provided with seal ring between described valve body and the valve seat.
7. each described a kind of accurate air-flow throttle valve is characterized in that: be provided with plural mounting hole on the described valve body according to claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244557 CN202756644U (en) | 2012-05-24 | 2012-05-24 | Precision air current throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244557 CN202756644U (en) | 2012-05-24 | 2012-05-24 | Precision air current throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756644U true CN202756644U (en) | 2013-02-27 |
Family
ID=47735828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220244557 Expired - Fee Related CN202756644U (en) | 2012-05-24 | 2012-05-24 | Precision air current throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799512A (en) * | 2018-08-30 | 2018-11-13 | 深圳市长治电子科技有限公司 | A kind of high pressure valve |
| CN112377297A (en) * | 2020-11-16 | 2021-02-19 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
-
2012
- 2012-05-24 CN CN 201220244557 patent/CN202756644U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799512A (en) * | 2018-08-30 | 2018-11-13 | 深圳市长治电子科技有限公司 | A kind of high pressure valve |
| CN112377297A (en) * | 2020-11-16 | 2021-02-19 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
| CN112377297B (en) * | 2020-11-16 | 2022-05-27 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20140524 |