CN204283808U - Piston compressor improvement air valve - Google Patents
Piston compressor improvement air valve Download PDFInfo
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- CN204283808U CN204283808U CN201420771139.1U CN201420771139U CN204283808U CN 204283808 U CN204283808 U CN 204283808U CN 201420771139 U CN201420771139 U CN 201420771139U CN 204283808 U CN204283808 U CN 204283808U
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- spool
- air valve
- described spool
- piston compressor
- valve
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Abstract
A kind of piston compressor improvement air valve, comprise valve body and spool, described spool is hollow setting and front end is provided with suction port, described spool front end is taper and is slidably positioned at described spool, internal thread is provided with on rear side of described spool inwall, one adjustment dismounting screw is engaged in described internal thread, the front end of described adjustment dismounting screw is provided with groove, one valve seat is positioned at described groove, described valve seat is step-like and front end reduction section is arranged with a spring, receiving groove is offered in described spool, the front end of described spring to be stretched in described receiving groove and is resisted against described spool, tapped hole is provided with in described adjustment dismounting screw, the outer rim of described spool is provided with the opening slot of longitudinal extension, thus, the utility model structure is simple, easy to operate, is convenient to dismounting, improve maintenance efficiency, and after increasing opening slot, some areas spool just increased and the gap of valve body, granule can be discharged together along opening slot, decreases the possibility of friction, the life-span of the air valve of increase.
Description
Technical field
The utility model relates to piston compressor accessory field, particularly relates to a kind of piston compressor improvement air valve.
Background technique
Present hydraulic piston compressor is more and more general generally, and corresponding maintenance work is also corresponding, as the air valve of a main frame cylinder, the General Life cycle is 2 months, and main cause is that oil runs into high temperature meeting carbonization because rock gas interior possibility oil-containing, thus scratch air valve sealing face, cause air valve to damage.
During existing air valve dismounting, the professional pincers worker of general needs uses the Circlip tongs of customization to dismantle, take-down time is longer, efficiency low and reduce the life-span, and general gap between air valve core and valve body is 0.02-0.04mm, and the gas in Environmental Conditions, all oil-containing in general rock gas, can carbonization be granule in an environment of high temperature, because old air valve does not have opening slot, what granule had has walked along with air-flow, some are also had just to enter inside gap, in air valve open and close process, friction can be produced, scratch air valve core and valve body, there will be severe the phenomenon of spool jam.
For this reason, artificer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of piston compressor improvement air valve, to overcome above-mentioned defect.
Model utility content
The technical problems to be solved in the utility model is: the existing air valve take-down time is longer, and efficiency is low and reduce the life-span, and in air valve open and close process, can produce friction, scratch air valve core and valve body, there will be severe the phenomenon of spool jam.
For solving the problem, the utility model discloses a kind of piston compressor improvement air valve, comprise valve body and spool, described spool is hollow setting and front end is provided with suction port, described spool front end is taper and is slidably positioned at described spool, it is characterized in that:
Internal thread is provided with on rear side of described spool inwall, one adjustment dismounting screw is engaged in described internal thread, the front end of described adjustment dismounting screw is provided with groove, one valve seat is positioned at described groove, described valve seat is step-like and front end reduction section is arranged with a spring, offer receiving groove in described spool, the front end of described spring to be stretched in described receiving groove and is resisted against described spool.
Wherein: in described adjustment dismounting screw, be provided with tapped hole.
Wherein: described tapped hole is M12 tapped hole.
Wherein: the outer rim of described spool is provided with the opening slot of longitudinal extension.
Wherein: described spool is provided with four opening slots in outer rim equi-spaced apart.
Known by said structure, piston compressor improvement air valve of the present utility model has following effect:
1, structure is simple, easy to operate, is convenient to dismounting, improves maintenance efficiency;
2, after increasing opening slot, some areas spool just increased and the gap of valve body, granule can be discharged together along opening slot, decreases the possibility of friction, the life-span of the air valve of increase;
3, wide adaptability, controllability is good, and cost is lower, is suitable for extensive popularization.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the structural representation of piston compressor of the present utility model improvement air valve.
Fig. 2 shows the structural representation of the utility model spool.
Fig. 3 shows the schematic diagram of the utility model spool other direction.
Fig. 4 shows the schematic diagram of the air valve assembly with the utility model piston compressor improvement air valve.
Description of reference numerals:
Valve body 11, adjustment dismounting screw 12, valve seat 13, spring 14, spool 15, pressure valve lid 16, air valve assembly 17.
Embodiment
See Fig. 1, show piston compressor of the present utility model improvement air valve.
Described piston compressor improvement air valve comprises valve body 11 and spool 15, described spool 11 is for hollow setting and front end is provided with suction port 111, relief opening is provided with at the rear side periphery of described suction port 111, described spool 15 front end is taper and is slidably positioned at described spool 11, thus, when spool 15 slides blocking suction port 111, suction port 111 is not communicated with relief opening, realize the closedown of gas, when spool 15 slide backward do not block suction port 111 time, suction port 111 is communicated with relief opening, and gas realizes circulation (as illustrated by the arrows in fig. 1).
Internal thread is provided with on rear side of described spool 11 inwall, one adjustment dismounting screw 12 is engaged in described internal thread, the front end of described adjustment dismounting screw 12 is provided with groove, one valve seat 13 is positioned at described groove, described valve seat 13 is step-like and front end reduction section is arranged with a spring 14, receiving groove is offered in described spool 15, the front end of described spring 14 to be stretched in described receiving groove and is resisted against described spool 15, thus, spring 14 provide described spool 15 against power, block suction port to make spool 15 under reset condition.
Wherein, described spool 15 is also provided with oblique vent A, and described ventilating hole A is communicated with described receiving groove and relief opening.
Wherein, for ease of dismounting, tapped hole 121 is provided with in described adjustment dismounting screw 12, so that dismounting, optionally, described tapped hole 121 is M12 tapped hole, can directly just can dismantle with the screw mandrel of M12 when dismantling, greatly reduce the take-down time, specifically, the take-down time can foreshorten to less than 30 minutes.
Wherein, the outer rim of described spool 15 is provided with the opening slot 151 of longitudinal extension, preferably, as shown in Figures 2 and 3, described spool 15 can be provided with four opening slots 151 in outer rim equi-spaced apart, after spool increases opening slot, the part increased provides the gap between spool 15 and valve body 11, serve all pressure effects, and due to A hole large, gas can enter valve core inside from A mouth and all press, when pressure maintains an equal level, gas has a bit of time and discharges from opening slot, granule in gas can be discharged together along opening slot, decrease the possibility of friction, the life-span of the air valve increased.
Thus, see Fig. 4, show the air valve assembly 17 loading and improved air valve by the utility model piston compressor, and be fixed by pressure valve lid 16 after piston compressor improvement air valve, when needs are dismantled, when not dismantling main frame, directly pressure valve lid 16 can be taken off, directly whole air-valve assembly is hauled out from upper cover or lower cover by mounting & dismounting tool for air valve, greatly easily the dismounting of air valve.
By spool having processed circular groove, when there is particulate contamination in gas, impurity is along with the impact of air-flow, amass in circular groove, finally and then gas discharges main frame from exhaust port together, thus greatly reduce the possibility of wearing and tearing spool cylindrical, which adds the working life of spool and spring.
As can be seen here, the utility model has the advantage of:
1, structure is simple, easy to operate, is convenient to dismounting, improves maintenance efficiency;
2, after increasing opening slot, some areas spool just increased and the gap of valve body, granule can be discharged together along opening slot, decrease the possibility of friction, in the life-span of the air valve increased, without the need to frequently with scavenging air valve, changed once to be reduced to by two months and change half a year once;
3, wide adaptability, controllability is good, and cost is lower, is suitable for extensive popularization.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of specification and the appended claim fallen into above.
Claims (5)
1. a piston compressor improvement air valve, comprises valve body and spool, and described spool is hollow setting and front end is provided with suction port, and described spool front end is taper and is slidably positioned at described spool, it is characterized in that:
Internal thread is provided with on rear side of described spool inwall, one adjustment dismounting screw is engaged in described internal thread, the front end of described adjustment dismounting screw is provided with groove, one valve seat is positioned at described groove, described valve seat is step-like and front end reduction section is arranged with a spring, offer receiving groove in described spool, the front end of described spring to be stretched in described receiving groove and is resisted against described spool.
2. piston compressor as claimed in claim 1 improvement air valve, is characterized in that: be provided with tapped hole in described adjustment dismounting screw.
3. piston compressor as claimed in claim 2 improvement air valve, is characterized in that: described tapped hole is M12 tapped hole.
4. the improvement air valve of the piston compressor as described in claim 1 or 2 or 3, is characterized in that: the outer rim of described spool is provided with the opening slot of longitudinal extension.
5. piston compressor as claimed in claim 4 improvement air valve, is characterized in that: described spool is provided with four opening slots in outer rim equi-spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771139.1U CN204283808U (en) | 2014-12-09 | 2014-12-09 | Piston compressor improvement air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771139.1U CN204283808U (en) | 2014-12-09 | 2014-12-09 | Piston compressor improvement air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283808U true CN204283808U (en) | 2015-04-22 |
Family
ID=52866973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771139.1U Active CN204283808U (en) | 2014-12-09 | 2014-12-09 | Piston compressor improvement air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725335A (en) * | 2017-09-15 | 2018-02-23 | 无锡康柏斯机械科技有限公司 | Lift adjustable air valve |
| CN107725334A (en) * | 2017-09-15 | 2018-02-23 | 无锡厚发自动化设备有限公司 | Valve lift adjusting method |
-
2014
- 2014-12-09 CN CN201420771139.1U patent/CN204283808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725335A (en) * | 2017-09-15 | 2018-02-23 | 无锡康柏斯机械科技有限公司 | Lift adjustable air valve |
| CN107725334A (en) * | 2017-09-15 | 2018-02-23 | 无锡厚发自动化设备有限公司 | Valve lift adjusting method |
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| GR01 | Patent grant |