CN217462486U - Air compressor end cover, air compressor and oxygenerator - Google Patents
Air compressor end cover, air compressor and oxygenerator Download PDFInfo
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- CN217462486U CN217462486U CN202221516674.3U CN202221516674U CN217462486U CN 217462486 U CN217462486 U CN 217462486U CN 202221516674 U CN202221516674 U CN 202221516674U CN 217462486 U CN217462486 U CN 217462486U
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- end cover
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- air inlet
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Abstract
The utility model discloses an air compressor end cover, an air compressor and an oxygen generator, belonging to the technical field of medical equipment, comprising an air inlet end cover injection molding piece, and a primary filtering unit, an isolating piece and an advanced filtering unit which are sequentially arranged on the air inlet end cover injection molding piece according to the air inlet direction; the middle part of the air inlet end cover injection molding piece is provided with a hollow container, one end of the hollow container is provided with an opening, the other end of the hollow container is closed, and the container is a fixing piece; the hollow part of the fixing piece is provided with an accommodating cavity for accommodating a primary filtering unit, an isolating piece and a high-grade filtering unit which are arranged on the air inlet end cover injection molding piece; a plurality of through holes are formed in the closed end of the fixing piece, wherein the through holes in the fixing piece are first air inlet holes. The utility model provides a change high-efficient filter pulp complex operation's technical problem, realized reducing the technical effect who changes elementary filter pulp and senior filter pulp complex operation degree.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to air compressor machine end cover, air compressor machine and oxygenerator.
Background
The oxygen generator is a machine for preparing oxygen, and air is compressed by an air compressor and then passes through a molecular sieve bed to separate oxygen from nitrogen, so that oxygen is prepared.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air inlet end cover assembly of a prior art air compressor; the plastic filter comprises an air inlet end cover injection molding 101, primary filter cotton 102, a plastic screen 103, high-efficiency filter cotton 104 and a plastic baffle 105 which are arranged on the air inlet end cover injection molding 101 according to the air inlet direction, wherein the plastic baffle 105 is fixed on the air inlet end cover injection molding 101 through plastic self-tapping screws.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an air compressor inlet end cover assembly and an air compressor housing in the prior art, wherein the air compressor inlet end cover assembly is fixed on the air compressor housing by self-tapping screws.
In the prior art, after the primary filter cotton 102 and the high-efficiency filter cotton 104 are used for a period of time, the air flow passing through the intake end cover assembly is reduced due to the deposition of impurities and particles in the air. After the air inlet flow of the air compressor is reduced, the discharge capacity of compressed air is correspondingly reduced, so that the air supply of the downstream molecular sieve bed is reduced, and the low-oxygen-concentration alarm of the oxygen generator is caused. At this time, the primary filter cotton 102 and the high efficiency filter cotton 104 need to be replaced. Because the primary filter cotton 102 is arranged on the outer side of the air inlet end cover, the primary filter cotton can be replaced without loosening screws from the shell of the air compressor; however, since the high-efficiency filter cotton 104 is installed inside the air inlet end cover assembly, the screws must be loosened from the casing of the air compressor, the whole air inlet end cover assembly is taken down, then the screws are loosened, and the plastic baffle 105 is taken down, so that the high-efficiency filter cotton 104 can be replaced, and the replacement process is complicated and very inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an air compressor end cover in a first aspect, which comprises an air inlet end cover injection molding piece, and a primary filtering unit, an isolating piece and a high-grade filtering unit which are arranged on the air inlet end cover injection molding piece in sequence according to the air inlet direction;
the middle part of the air inlet end cover injection molding part is provided with a hollow container, one end of the hollow container is provided with an opening, the other end of the hollow container is closed, and the container is a fixing part;
the hollow part of the fixing piece is provided with an accommodating cavity for accommodating a primary filtering unit, a spacer and a high-grade filtering unit which are arranged on the air inlet end cover injection molding piece;
a plurality of through holes are formed in the closed end of the fixing piece, wherein the through holes in the fixing piece are first air inlet holes.
Optionally, a sealing piece is further arranged at the opening of the fixing piece;
the sealing piece is a hollow container with an opening at one end and a closed end at the other end;
and a plurality of through holes are formed in the closed end of the sealing piece, wherein the through holes in the sealing piece are second air inlet holes.
Optionally, an internal thread is arranged at the opening of the sealing member, and an external thread matched with the internal thread is arranged at the opening of the fixing member.
Optionally, a plurality of protrusions are further arranged on the periphery of the closed end of the sealing member;
the protrusion is a rotary holding part.
Optionally, the primary filtration unit is primary filter cotton;
the advanced filtering unit is advanced filtering cotton.
Optionally, the spacer is a screen.
The utility model discloses the second aspect provides an air compressor machine, including any one of the above-mentioned scheme air compressor machine end cover.
The utility model discloses the third aspect provides an oxygenerator, including above-mentioned scheme the air compressor machine.
By adopting the technical scheme, the utility model discloses mainly have following technological effect:
through set up the mounting in the air inlet end cover injection molding, through set gradually elementary filter unit, separator and senior filter unit according to the order of admitting air in the mounting, set up the sealing through the opening part at the mounting, solved and changed high-efficient filter cotton complex operation's technical problem, realized reducing the technical effect who changes elementary filter cotton and senior filter cotton complex operation degree.
Drawings
FIG. 1 is a schematic structural view of a prior art air inlet end cap assembly for a hollow press;
FIG. 2 is a schematic structural view of an air inlet end cover assembly and an air compressor housing of a prior art air compressor;
fig. 3 is a schematic structural view of an air compressor end cover according to the present invention;
fig. 4 is a schematic view of an explosion structure of an air compressor end cover according to the present invention;
fig. 5 is the utility model relates to a structural schematic diagram of air compressor machine cavity press end cover and casing.
Wherein the reference numerals have the following meanings:
101. an air inlet end cover injection molding; 102. primary effect filtering cotton; 103. a plastic screen; 104. high-efficiency filter cotton; 105. a plastic baffle;
1. an air inlet end cover injection molding; 11. a fixing member; 111. an external thread; 12. an accommodating cavity; 13. a first air intake hole; 14. a closure member; 141. an internal thread; 142. a second air inlet; 143. a rotation holding part;
2. a primary filtration unit;
3. a spacer;
4. a high-level filtration unit;
5. air compressor casing.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings attached to the specification of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example one
Referring to fig. 3-4, the utility model provides an air compressor machine end cover in the first aspect, when practical application, for locating on the inlet port of air compressor machine, it includes inlet end cover injection molding 1 to and locate in proper order according to the direction of admitting air elementary filter unit 2, separator 3 and senior filter unit 4 on the inlet end cover injection molding 1.
Further, the air inlet end cover injection molding 1 is a circular covering structure, a hollow cylindrical container with an opening at one end and a closed other end is arranged in the middle of the air inlet end cover injection molding 1, the container is a fixing piece 11, and a cylindrical accommodating cavity 12 is arranged at the hollow part of the fixing piece 11 and used for accommodating the primary filtering unit 2, the isolating piece 3 and the advanced filtering unit 4 which are arranged on the air inlet end cover injection molding 1.
In a preferred embodiment, the primary filtration unit 2 is a cylindrical primary filter cotton and the advanced filtration unit 4 is a cylindrical advanced filter cotton. Through inciting somebody to action during cylindrical elementary filtration cotton and cylindrical senior filter pulp locate holding chamber 12 in proper order according to the direction of admitting air for the air that gets into in the air compressor machine end cover is at first through the primary filtration of elementary filtration cotton, then through the secondary filtration of senior filter pulp, thereby improves the purity of the air in the entering air compressor machine.
It will be clear to the skilled person that the material of the filter cotton may be selected according to the grade classification of the filter cotton.
In a more preferred embodiment, the separator 3 is a circular screen, and the circular screen is disposed between the primary filter cotton and the advanced filter cotton, so that the primary filter cotton is supported after being separated from the advanced filter cotton, and large particles in air passing through the primary filter cotton can be blocked from entering the advanced filter cotton.
Furthermore, in order to ensure that air can smoothly enter the air compressor after passing through the high-grade filter cotton, a plurality of annular through holes are formed in the closed end of the fixing part 11, wherein the through hole in the fixing part 11 is a first air inlet 13.
In a preferred embodiment, a sealing member 14 is further disposed at the opening of the fixing member 11, the sealing member 14 is a hollow cylindrical container with one end having an opening and the other end being closed, an internal thread 141 is disposed at the opening of the sealing member 14, an external thread 111 adapted to the internal thread 141 is disposed at the opening of the fixing member 11, and the primary filter unit 2, the spacer 3 and the advanced filter unit 4 can be locked in the accommodating cavity 12 by screwing the sealing member 14 to the fixing member 11. Similarly, in order to ensure that air can smoothly enter the fixing member 11, a plurality of circular through holes are also formed in the closed end of the sealing member 14, wherein the through holes in the sealing member 14 are the second air inlet holes 142.
In a more preferable embodiment, a plurality of semicircular protrusions are further arranged on the periphery of the closed end of the sealing member 14, the protrusions are the rotating parts 143, and by arranging the rotating parts 143, the efficiency of screwing the sealing member 14 can be effectively improved when an operator unscrews or screws the sealing member 14.
Further, when the air compressor end cover needs to be replaced with the primary filter cotton or the advanced filter cotton, the sealing piece 14 only needs to be screwed off, and the primary filter screen, the screen and the advanced filter screen in the accommodating cavity 12 are sequentially taken out to be replaced, so that the complexity of replacing the primary filter cotton and the advanced filter cotton is effectively reduced, and on the other hand, compared with the prior art, the manufacturing cost of the air compressor end cover is also reduced by reducing parts of the air compressor end cover.
Example two
Referring to fig. 5, a second aspect of the present invention provides an air compressor, which includes an air compressor end cover as described in the first embodiment, and further includes an air compressor housing 5 connected to the air compressor end cover, wherein the air compressor end cover is fixed to the air compressor housing 5 by self-tapping screws.
It should be clear that, in this embodiment, the structure of the air compressor housing 5 is not changed, and therefore, the air compressor end cover described in the first embodiment may be directly adopted to replace the air compressor end cover in the prior art, and the manufacturing of the air compressor in this embodiment and the maintenance of the air compressor in the prior art are not affected.
EXAMPLE III
The utility model discloses the third aspect provides an oxygenerator, including embodiment two the air compressor machine.
Finally, it should be noted that: the embodiment of the present invention is only disclosed as a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. An air compressor end cover is characterized by comprising an air inlet end cover injection molding part, and a primary filtering unit, an isolating part and a high-grade filtering unit which are sequentially arranged on the air inlet end cover injection molding part according to an air inlet direction;
the middle part of the air inlet end cover injection molding part is provided with a hollow container, one end of the hollow container is provided with an opening, the other end of the hollow container is closed, and the container is a fixing part;
the hollow part of the fixing piece is provided with an accommodating cavity for accommodating a primary filtering unit, a spacer and a high-grade filtering unit which are arranged on the air inlet end cover injection molding piece;
a plurality of through holes are formed in the closed end of the fixing piece, wherein the through holes in the fixing piece are first air inlet holes.
2. The air compressor end cover according to claim 1, wherein a sealing member is further provided at the opening of the fixing member;
the sealing piece is a hollow container with an opening at one end and a closed end at the other end;
the sealing piece is provided with a plurality of through holes at the closed end, wherein the through holes on the sealing piece are second air inlet holes.
3. The air compressor end cover according to claim 2, wherein an internal thread is provided at the opening of the sealing member, and an external thread adapted to the internal thread is provided at the opening of the fixing member.
4. The air compressor end cover according to claim 2, wherein a plurality of protrusions are further provided on the outer periphery of the closed end of the sealing member;
the protrusion is a rotary holding part.
5. The air compressor end cover according to claim 1, wherein the primary filter unit is primary filter cotton;
the advanced filtering unit is advanced filtering cotton.
6. The air compressor end cover according to claim 1, wherein the partition is a screen.
7. An air compressor characterized in that, includes the air compressor end cover of any one of claims 1-6.
8. An oxygen generator characterized by comprising the air compressor of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516674.3U CN217462486U (en) | 2022-06-16 | 2022-06-16 | Air compressor end cover, air compressor and oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516674.3U CN217462486U (en) | 2022-06-16 | 2022-06-16 | Air compressor end cover, air compressor and oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462486U true CN217462486U (en) | 2022-09-20 |
Family
ID=83238354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221516674.3U Active CN217462486U (en) | 2022-06-16 | 2022-06-16 | Air compressor end cover, air compressor and oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462486U (en) |
-
2022
- 2022-06-16 CN CN202221516674.3U patent/CN217462486U/en active Active
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