CN217300823U - High-volume-efficiency piston device and compressor with same - Google Patents
High-volume-efficiency piston device and compressor with same Download PDFInfo
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- CN217300823U CN217300823U CN202220146783.4U CN202220146783U CN217300823U CN 217300823 U CN217300823 U CN 217300823U CN 202220146783 U CN202220146783 U CN 202220146783U CN 217300823 U CN217300823 U CN 217300823U
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- outlet channel
- air outlet
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Abstract
The utility model provides a piston device with high volumetric efficiency and a compressor with the same, which comprises a primary cavity, a first air outlet channel arranged on the primary cavity, and a primary piston movably arranged in the primary cavity and the first air outlet channel; the first-stage piston is provided with a first boss inserted into the first air outlet channel. The utility model discloses when having one-level piston motion to one-level cavity top, owing to set up first boss, during first boss can insert first air outlet channel, space in the first air outlet channel has been filled to first boss to reduced the clearance, the volume efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of air compression, in particular to high volumetric efficiency's piston device and have device's compressor.
Background
An air compressor is a commonly used air compression device, and is applied to many fields. Most of existing air compressors are piston compressors, the piston compressors adopt piston movement in cylinders to achieve the purpose of compressing air, the pistons reciprocate in the cylinders, the pistons move upwards to discharge air, and the pistons move downwards to draw in air.
In the known air compressors, when the piston has moved to the top dead center, where the volume is at its minimum, there is a certain clearance, called clearance, between the piston and the valve body at the top of the cylinder. Especially, when the air compressor is in first-stage compression, i.e. when the air is pumped from the external atmosphere and enters the compressor for first compression, if the clearance is large, the volumetric efficiency of the compressor is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the above-mentioned problem that exists among the prior art, provide a piston device of high volumetric efficiency and have device's compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a piston device with high volumetric efficiency comprises a primary cavity, a first air outlet channel arranged on the primary cavity, and a primary piston movably arranged in the primary cavity and the first air outlet channel; the first-stage piston is provided with a first boss inserted into the first air outlet channel.
The utility model discloses a theory of operation: when the primary piston moves to the top of the primary cavity, namely moves to the top dead center, the first boss can be inserted into the first air outlet channel and fills the space in the first air outlet channel, so that the clearance is reduced, and the volume efficiency is improved.
The top of the primary cavity is provided with a first valve body matched with the first air outlet channel, the first valve body is provided with a first air inlet, the bottom of the first air inlet is provided with a first switch, and the first air outlet channel is provided with a second switch.
The first switch comprises a fixing piece arranged at the bottom of the first valve body and a first elastic piece arranged on the fixing piece; a gap is reserved between the fixing piece and the first elastic piece.
The fixing piece is provided with a fixing hole matched with the first valve body.
The first valve body and the fixing piece are integrally arranged.
The second switch comprises a first pressing plate and an elastic piece, the first pressing plate is movably arranged in the first air outlet channel, and the elastic piece is arranged on the first pressing plate; the first pressing plate is in contact with the first boss.
Preferably, the piston device is positioned on the first-stage compression cylinder.
Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a when one-level piston moved to one-level cavity top, owing to set up first boss, during first boss can insert first gas outlet channel, space in the first gas outlet channel has been filled to first boss to reduced the clearance, for prior art, the utility model discloses a compressor's volume is efficient.
Drawings
Fig. 1 is a schematic view of the compressor structure of the present invention.
Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 2.
Fig. 4 is a schematic structural diagram of the first switch of the present invention.
Fig. 5 is a sectional view of the compressor of the present invention.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
1-5, a high volumetric efficiency piston assembly, a primary cavity 611, a first outlet channel 651, a primary piston; the first air outlet channel 651 is arranged on the primary cavity 611; the primary piston can move up and down and is arranged in the primary cavity 611 and the first air outlet channel; the primary piston is provided with a first boss 611 inserted into a first air outlet channel 651, and the diameter of the first boss 611 is equal to that of the first air outlet channel 651; when the first-level piston moves to the top of the first-level cavity, namely moves to the top dead center, the first boss can be inserted into the first air outlet channel due to the arrangement of the first boss, and the space in the first air outlet channel is filled with the first boss, so that the clearance is reduced, and the volume efficiency is high.
The top of one-level cavity 611 be equipped with first valve body 631 of first air outlet channel 651 matched with, first air inlet 641 has been seted up on the first valve body 631, first air inlet 641 bottom be equipped with first switch 671, first air outlet channel 651 be equipped with second switch 681.
The first switch 671 comprises a fixing plate 6071 and a first elastic plate 6171; the fixing piece 6071 is provided in a circular shape, and is provided at the bottom of the first valve body 631; the first elastic sheet 6171 is arranged on the fixing sheet 6071, and the first elastic sheet 6171 and the fixing sheet 6071 are integrally arranged; a gap is reserved between the fixing piece 6071 and the first elastic piece 6171, and the interval is arranged in a W shape; in an initial state, the first elastic sheet 6171 just covers the first air inlet 641 on the valve body, when the primary piston moves downward to draw air into the outside atmosphere, the air enters from the first air inlet 641, and the first elastic sheet 6171 is bounced off and away from the first valve body 631 under the action of the air force, so that the first air inlet 641 is exposed and the air can enter; when the primary piston moves upward and the gas is exhausted, the first elastic sheet 6171 clings to the first valve body 631 under the force of the gas, and the first elastic sheet 6171 covers the first gas inlet 641 to prevent the gas from being exhausted from the first gas inlet 641.
The second switch 681 includes a first pressing plate 6081 and an elastic member 6181; the first pressing plate 6081 can be arranged in the first air outlet channel 651 in a vertically movable manner, and in an initial state, the first pressing plate 6081 is attached to the first air outlet channel 651; one end of the elastic piece 6181 is connected with the first pressure plate 6081, the other end is connected with the first air outlet channel 651, and the elastic piece 6181 is arranged as a spring; when the primary piston is exhausted, the gas pushes the first presser plate 6081 open, so that the first air outlet channel 651 is opened. The first air outlet channel 651 is closed by the first pressing plate 6081 and the elastic piece 6181, and when air suction is not performed and the primary piston exhausts, air pushes the first pressing plate 6081 open, so that the first air outlet channel 651 is opened. The first air outlet channel 651 is closed by the first pressing plate 6081 and the elastic member 6181.
The fixing piece 6071 is provided with a fixing hole 21 matched with the first valve body 631, and the first valve body 631 and the fixing piece 6071 can be connected in a bolt mode.
A compressor includes a first-stage compression cylinder 601, a second-stage compression cylinder 602, a third-stage compression cylinder 603, and a high volumetric-efficiency piston device according to any one of the above.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A piston device with high volumetric efficiency comprises a primary cavity (611), a first air outlet channel (651) arranged on the primary cavity (611), and a primary piston movably arranged in the primary cavity (611) and the first air outlet channel (651); the method is characterized in that: and a first boss (661) inserted into the first air outlet channel (651) is arranged on the primary piston.
2. A high volumetric efficiency piston assembly as defined in claim 1 wherein: the top of one-level cavity (611) be equipped with first valve body (631) of first air outlet channel (651) matched with, first air inlet (641) has been seted up on first valve body (631), first air inlet (641) bottom be equipped with first switch (671), first air outlet channel (651) be equipped with second switch (681).
3. A volumetrically efficient piston assembly as set forth in claim 2 wherein: the first switch (671) comprises a fixed plate (6071) arranged at the bottom of the first valve body (631) and a first elastic sheet (6171) arranged on the fixed plate (6071); a gap is reserved between the fixing piece (6071) and the first elastic piece (6171).
4. A high volumetric efficiency piston assembly as defined in claim 3 wherein: the fixing piece (6071) is provided with a fixing hole (21) matched with the first valve body (631).
5. A high volumetric efficiency piston assembly as defined in claim 3 wherein: the first valve body (631) and the fixing piece (6071) are integrally arranged.
6. A high volumetric efficiency piston assembly as defined in claim 3 wherein: the second switch (681) comprises a first pressure plate (6081) movably arranged in the first air outlet channel (651) and an elastic piece (6181) arranged on the first pressure plate (6081); the first pressure plate (6081) is in contact with the first boss (661).
7. A compressor, characterized by: the compressor comprises a primary compression cylinder (601), a secondary compression cylinder (602), a tertiary compression cylinder (603) and a high volumetric efficiency piston device according to any of the preceding claims 1-6, which is located on the primary compression cylinder (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146783.4U CN217300823U (en) | 2022-01-19 | 2022-01-19 | High-volume-efficiency piston device and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146783.4U CN217300823U (en) | 2022-01-19 | 2022-01-19 | High-volume-efficiency piston device and compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217300823U true CN217300823U (en) | 2022-08-26 |
Family
ID=82925682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220146783.4U Active CN217300823U (en) | 2022-01-19 | 2022-01-19 | High-volume-efficiency piston device and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217300823U (en) |
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2022
- 2022-01-19 CN CN202220146783.4U patent/CN217300823U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 311100 Unit 2, Building 5, No. 505, Xingguo Road, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Luosen Compressor Co.,Ltd. Address before: 318000 No. 52-8, Jintang North Road, East New Area, Wenling City, Taizhou City, Zhejiang Province Patentee before: Zhejiang Luosen Compressor Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311100 Unit 2, Building 5, No. 505, Xingguo Road, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG LUXON COMPRESSORS CO.,LTD. Address before: 311100 Unit 2, Building 5, No. 505, Xingguo Road, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Luosen Compressor Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |