CN211819859U - Novel air cylinder air pressing valve device - Google Patents
Novel air cylinder air pressing valve device Download PDFInfo
- Publication number
- CN211819859U CN211819859U CN201922477222.3U CN201922477222U CN211819859U CN 211819859 U CN211819859 U CN 211819859U CN 201922477222 U CN201922477222 U CN 201922477222U CN 211819859 U CN211819859 U CN 211819859U
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- Prior art keywords
- cylinder
- air
- air valve
- gland
- air cylinder
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- 238000003825 pressing Methods 0.000 title description 3
- 210000004907 gland Anatomy 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000005242 forging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
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Abstract
The utility model belongs to compressor cylinder field, concretely relates to novel cylinder pneumatic valve device. Including cylinder main part, cylinder gland and pneumatic valve, adopt bolt-up connection between cylinder main part and the cylinder gland, be equipped with the pneumatic valve in the cavity that cylinder main part and cylinder gland formed, the pneumatic valve is located the bottom of cylinder main part, the bottom of cylinder gland is equipped with cyclic annular salient, cyclic annular salient supports the pneumatic valve tightly in the bottom of cylinder main part, the outside of cyclic annular salient and cylinder contact is equipped with the slope, cyclic annular salient and pneumatic valve contact surface are peripheral, are equipped with the pneumatic valve outer pad to its sealing effect of the inside wall of cylinder main part in the cavity that the slope formed, the upper end central point of cylinder gland puts and is equipped with the through-hole, the outside of through-hole is equipped with joint part, fixed connection between joint part and the cylinder gland. The technical scheme has the advantages that: make the whole lightweight more of cylinder, the fixed knot of the inside pneumatic valve of cylinder constructs simply, and the assembly is easy.
Description
Technical Field
The utility model belongs to compressor cylinder field, concretely relates to novel cylinder pneumatic valve device.
Background
Compressor valves are important components of compressors used to control the timely intake and discharge of gas into and out of the cylinder. The air valve on piston compressor is an automatic valve, and is mainly composed of four parts, namely a valve seat, a valve plate, a spring and a lift limiter, wherein the valve seat is provided with an air channel which can be covered by the valve plate, the air channel is used for closing an air inlet (or air outlet) channel together with the valve plate and bearing the pressure difference between the inside and the outside of the cylinder, the valve plate is used for alternately opening and closing the channel of the valve seat, the spring is used for pushing the valve plate to fall to the valve seat when. The air valve works well, and directly influences the displacement, power consumption and operation reliability of the compressor.
In most air valves in the prior art, a main fixing mode in a compressor cylinder is to transmit torque by adopting a pressure valve cover, and the pressure valve cover is tightly abutted against the air valve through the pretightening force of a bolt between a cylinder gland and a cylinder main body, so that the purpose of fixing the air valve is achieved.
The main effect of the pressure valve cover in the cylinder is to transmit torque, which not only increases the overall mass of the compressor cylinder and prevents the compressor cylinder from being lighter, but also because compressed high-pressure gas generated in the cylinder is easy to leak, because of the pressure valve cover, when sealing, the sealing points are relatively more, the leaking points are relatively increased, the sealing requirement on the compressor cylinder is improved, and the assembly is difficult and complicated.
SUMMERY OF THE UTILITY MODEL
To not enough in the above-mentioned technique, the utility model aims to provide a novel cylinder pneumatic valve device for solve the problem that cylinder forging quality is big, the assembly is complicated.
In order to achieve the above purpose, the utility model adopts the following technical means: including cylinder main part, cylinder gland and pneumatic valve, adopt bolt-up connection between cylinder main part and the cylinder gland, and in inside vacuole formation, be equipped with the pneumatic valve in the cavity that cylinder main part and cylinder gland formed, the pneumatic valve is located the bottom of cylinder main part, the bottom of cylinder gland is equipped with cyclic annular salient, cyclic annular salient supports the pneumatic valve tightly in the bottom of cylinder main part, the slope has been seted up with the outside of cylinder contact to cyclic annular salient, cyclic annular salient and pneumatic valve contact surface are peripheral, is equipped with the pneumatic valve outer packing to its sealing effect of the inside wall of cylinder main part in the cavity that the slope formed, the upper end central point of cylinder gland puts and is equipped with the through-hole, the outside of through-hole is equipped with joint part, fixed connection between joint part and the cylinder gland.
Further, the contact surface finish machining of cylinder gland and cylinder main part makes roughness satisfy sealed requirement, and its beneficial part lies in, and the required requirement of contact surface processing to sealed can make the possibility that takes place gas leakage between cylinder gland and the cylinder main part reduce, guarantees the work efficiency of cylinder.
Further, the air valve outer cushion is an annular outer cushion, the cross section of the upper end of the air valve outer cushion is in a right trapezoid shape, the lower end of the air valve outer cushion is in a rectangular shape, the air valve outer cushion has the advantages that the annular contact area of the lower end is relatively large, the sealing effect on the side wall of the cylinder is good, the upper end of the air valve outer cushion is in a right trapezoid structure and corresponds to the slope surface of the cylinder gland, the air valve outer cushion is in closer contact with the bottom end of the cylinder gland, and gas leakage is prevented.
Furthermore, the cross section of the upper end of the air valve outer cushion is in a right trapezoid shape, the inclined edge faces towards the inner side of the air valve outer cushion, and the inclined angle of the inclined edge is 45 degrees.
Furthermore, the inclined angle of the slope surface on the annular protrusion on the cylinder gland is 45 degrees, and the air valve outer cushion has the advantages that the air valve outer cushion is arranged in the cavity formed by the slope surface, the air valve outer cushion is extruded, and the deformation amount of the air valve outer cushion is still positioned in the cavity, so that the air valve outer cushion in the cavity is more compact, and the possibility of air leakage is further reduced.
The technical scheme has the advantages that: structurally remove the pressure valve bonnet in traditional cylinder, make the lightweight more of the holistic quality of cylinder, removed the pressure valve bonnet and still made the inside sealed point of cylinder reduce, reduced the inside sealed requirement of cylinder, make the possibility of gas leakage in the cylinder reduce, make the simple more clear of maintenance in cylinder later stage, make operating personnel investigate the reason place of gas leakage more easily. Moreover, the number of forgings inside the cylinder is saved, and the overall cost of the cylinder is reduced while the performance is guaranteed.
Drawings
Fig. 1 is a schematic cross-sectional front view of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of an internal structure of a conventional cylinder according to an embodiment of the present invention.
Fig. 3 is a schematic view of an air valve outer cushion according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cylinder assembly comprises a used cylinder body 1, a used cylinder gland 2, a bolt 3, an air valve 4, a valve pressing cover 5, a joint part 6, a cylinder gland 7, a cylinder body 8, an air valve outer pad 9, a used air valve outer pad 10 and an annular protrusion 11.
It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The specific implementation process is as follows:
as shown in fig. 2, the conventional cylinder air compression valve 4 device mainly comprises an old cylinder main body 1, an old cylinder gland 2, a air compression valve cover 5, an air valve 4 and a connecting part, wherein the old cylinder main body 1 and the old cylinder gland 2 are connected by a bolt 3, the air valve 4 is arranged in a cavity formed by the old cylinder main body 1 and the old cylinder gland 2, the upper end of the air valve 4 is provided with the air compression valve cover 5, the bottom end of the air compression valve cover 5 is tightly contacted with the air valve 4, the upper end surface of the air compression valve cover 5 is contacted with the old cylinder gland 2, the old cylinder gland 2 transmits torque to the air compression valve cover 5 when the bolt 3 is fixed, the air valve 4 at the bottom of the air compression valve cover 5 is tightly abutted against the bottom of the old cylinder main body 1, and the air compression valve cover 5 in the conventional cylinder structure mainly plays a role in transmitting torque and compressing the air valve 4. The middle part of the gland of the old air valve 4 is provided with a through hole, and the outer side of the through hole is fixedly connected with a joint part 6. An outer pad 10 of the used air valve is arranged at the edge of the contact surface of the air cylinder and the pressure valve cover 5 to prevent the air in the air cylinder from leaking out.
However, the traditional cylinder structure has relatively large mass and relatively high sealing requirement on the inside of the cylinder, and the internal pressure valve cover 5 is difficult to assemble, disassemble and maintain.
As shown in fig. 1 and 3, a novel cylinder air compression valve 4 device comprises a cylinder main body 8, a cylinder gland 7, an air valve 4 and a joint part 6, wherein the cylinder main body 8 and the cylinder gland are fastened and connected through a bolt 3, the novel cylinder air compression valve is different from a traditional cylinder structure in that the cylinder gland 7 is processed into a new structure with an annular protrusion 11 at the lower end instead of the existing valve gland 5 in the cylinder main body 8, the outer diameter of the annular protrusion 11 is matched with the inner diameter of the cylinder main body 8 and a contact point, a slope is processed on the outer side of the lower end of the annular protrusion 11, and the inclination angle of the slope is 45 °.
The annular protrusion 11 extends into the cylinder main body 8 to be directly contacted with the air valve 4, the air valve 4 is directly supported and tightly pressed by the annular protrusion 11 part of the transmission torque when the bolt 3 is fixed by the cylinder gland 7, the performance requirement is met, the internal structure is simplified, the forging of the cylinder is reduced, the cost is saved, and the structure is simplified and is also simple to install and disassemble.
On the contact surface of the annular protrusion 11 and the air valve 4, because the edge of the annular protrusion 11 is provided with a slope surface, a cavity is formed on the contact surface of the air valve 4, and an air valve outer cushion 9 is arranged in the cavity, as shown in fig. 3, the upper end of the cross section of the air valve outer cushion 9 is in a right trapezoid shape, the inclined edge of the right trapezoid forms 45 degrees with the horizontal line, the cross section of the lower end of the right trapezoid is in a rectangle shape, the air valve outer cushion 9 is arranged in the cavity formed by the annular protrusion 11, the 45-degree inclination angle corresponds to the inclination angle of the slope surface, so that the upper end of the air valve outer cushion 9 can be positioned in the cavity formed by the slope surface, the slope surface extrudes the air valve outer cushion 9, and the deformation of the air valve outer cushion 9 in the cavity is still positioned in the.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides a novel cylinder pneumatic valve device which characterized in that: the air cylinder comprises an air cylinder main body (8), an air cylinder gland (7) and an air valve (4), wherein the air cylinder main body (8) and the air cylinder gland (7) are fixedly connected through bolts (3) and form a cavity inside, the air valve (4) is arranged in the cavity formed by the air cylinder main body (8) and the air cylinder gland (7), the air valve (4) is located at the bottom of the air cylinder main body (8), an annular protrusion (11) is arranged at the bottom end of the air cylinder gland (7), the air valve (4) is tightly abutted to the bottom of the air cylinder main body (8) through the annular protrusion (11), a slope surface is arranged on the outer side of the annular protrusion (11) in contact with the air cylinder main body (8), the contact surface of the annular protrusion (11) and the air valve (4) is peripheral, an air valve outer cushion (9) for sealing the inner side wall of the air cylinder main body (8) is arranged in the cavity formed by the slope surface, the outside of through-hole is equipped with joint part (6), fixed connection between joint part (6) and cylinder gland (7).
2. The novel air cylinder air valve device according to claim 1, characterized in that: and the contact surface between the cylinder gland (7) and the cylinder body (8) is finely processed, so that the roughness meets the sealing requirement.
3. The novel air cylinder air valve device according to claim 1, characterized in that: the air valve outer cushion (9) is an annular outer cushion, the cross section of the upper end of the air valve outer cushion (9) is in a right trapezoid shape, and the lower end of the air valve outer cushion is in a rectangular shape.
4. The novel air cylinder air valve device according to claim 3, characterized in that: the cross section of the upper end of the air valve outer cushion (9) is in a right trapezoid shape, the inclined edge faces the inner side of the air valve outer cushion (9), and the inclined angle of the inclined edge is 45 degrees.
5. The novel air cylinder air valve device according to claim 1, characterized in that: the inclined angle of the slope surface on the annular protrusion (11) on the cylinder gland (7) is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477222.3U CN211819859U (en) | 2019-12-31 | 2019-12-31 | Novel air cylinder air pressing valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477222.3U CN211819859U (en) | 2019-12-31 | 2019-12-31 | Novel air cylinder air pressing valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819859U true CN211819859U (en) | 2020-10-30 |
Family
ID=73040600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477222.3U Expired - Fee Related CN211819859U (en) | 2019-12-31 | 2019-12-31 | Novel air cylinder air pressing valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819859U (en) |
-
2019
- 2019-12-31 CN CN201922477222.3U patent/CN211819859U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |