CN211737394U

CN211737394U - Small compressor for portable oxygen generator

Info

Publication number: CN211737394U
Application number: CN201922473619.5U
Authority: CN
Inventors: 梅艳
Original assignee: Jiangsu Zhiyu Medical Equipment Co ltd
Current assignee: Jiangsu Zhiyu Medical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-23
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a small compressor for portable oxygenerator, which comprises a rotating motor and a supporting main body, wherein the rotating motor is arranged inside the left end of the supporting main body, the right end of the rotating motor is connected with a rotating shaft, the right end of the rotating shaft is connected with an eccentric wheel, the right side of the eccentric wheel is provided with a piston rod, the eccentric wheel is fixedly connected with the piston rod through a connector, air inlet and exhaust are concentrated on the same part, namely a middle layer, air inlet and exhaust ports are respectively arranged on an air inlet valve and an exhaust valve at the two ends of the middle layer, the rotating motor can be respectively operated between the air inlet valve and the exhaust valve when in normal operation through ingenious design, and the air inlet valve and the exhaust valve are not interfered with each other and not influenced with each other, thereby reducing the volume and the weight of the compressor, convenient to use has reduced the energy consumption simultaneously, saves manufacturing cost, has improved the practicality of product greatly.

Description

Small compressor for portable oxygen generator

Technical Field

The utility model belongs to the technical field of the compressor is relevant, concretely relates to a small-size compressor for portable oxygenerator.

Background

The oxygen generator is a kind of machine for producing oxygen and its principle is that it utilizes air separation technology. The air is compressed at high density, then is subjected to gas-liquid separation at a certain temperature by utilizing the difference of condensation points of all components in the air, and is further rectified to obtain the air-conditioning filter. The oxygen separation is carried out by utilizing a compressor in the oxygen production process. By adopting the adsorption performance of the molecular sieve and taking a large-displacement oil-free compressor as power through a physical principle, nitrogen and oxygen in the air are separated, and finally high-concentration oxygen is obtained.

The existing compressor technology for the oxygenerator has the following problems: the inlet end and the exhaust end of traditional compressor for oxygenerator disperse at the both ends of cylinder body for the volume and the weight of compressor are great, and the transport of being not convenient for very much and carrying, and the energy consumption of compressor is high simultaneously, and manufacturing cost is also corresponding higher, influences the practicality of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size compressor for portable oxygenerator to solve the traditional compressor for oxygenerator that proposes in the above-mentioned background art and be not convenient for very much transport and carry, the energy consumption of compressor is high simultaneously, the also corresponding higher problem of manufacturing cost.

In order to achieve the above object, the utility model provides a following technical scheme: a small compressor for a portable oxygen generator comprises a rotating motor and a supporting main body, wherein the rotating motor is arranged inside the left end of the supporting main body, the right end of the rotating motor is connected with a rotating shaft, the right end of the rotating shaft is connected with an eccentric wheel, the right side of the eccentric wheel is provided with a piston rod, the eccentric wheel is fixedly connected with the piston rod through a connector, the upper end of the piston rod is provided with a piston body, the upper end of the supporting main body is connected with a cylinder body, the inner bottom end of the cylinder body is provided with a piston pad, the upper end of the piston pad is provided with an air inlet cover, the upper end of the cylinder body is connected with a middle layer, one end of the middle layer is provided with an air inlet valve, the other end of the middle layer is provided with an, a sealing washer is arranged between the middle layer and the top sealing cover, and the rotating motor is electrically connected through an external power supply.

Preferably, the outer wall of the lower end of the support main body is provided with support pads close to four corners.

Preferably, the rotating shaft and the piston rod are kept perpendicular to each other.

Preferably, the piston rod, the piston body and the center of the cylinder body of the air cylinder are vertically on the same straight line.

Preferably, the air inlet valve and the exhaust valve at two ends of the middle layer are respectively provided with an air inlet and an exhaust port.

Preferably, the lower end of the piston rod vertically penetrates through an air inlet cover and a piston pad in the cylinder body of the air cylinder and is fixedly connected with the connector.

Compared with the compressor technology for the existing oxygenerator, the utility model provides a small-size compressor for portable oxygenerator possesses following beneficial effect:

1. the utility model discloses a concentrate on same part, namely the middle level with admitting air and exhausting, be provided with air inlet and gas vent on the admission valve and the discharge valve at middle level both ends respectively, ingenious design makes the rotating electrical machines when normal operation, can operate respectively between admission valve and the discharge valve, and each other noninterference, each other does not influence between admission valve and the discharge valve, thereby reduced the volume and the weight of compressor, the collocation is applicable to portable oxygenerator, conveniently carry and carry, convenient to use, reduced the energy consumption simultaneously, save and make into greatly, the practicality of product has been improved greatly;

2. the utility model belongs to miniature reciprocating piston compressor, the rotating electrical machines can pass through axis of rotation unipolar drive, make the piston rod drive the upper end have the self-lubricating and need not add the vertical reciprocating motion of being of the piston body of any emollient by the transmission performance of eccentric wheel and piston rod, make by cylinder body, the working volume that top surface constitutes then can take place periodic variation on top cover and the piston body, thereby can realize admitting air in succession in cylinder body's inside, compression and carminative process, thereby continuous completion duty cycle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a small compressor for a portable oxygen generator according to the present invention;

in the figure: 1. a rotating electric machine; 2. a support body; 3. a rotating shaft; 4. supporting the foot pad; 5. an eccentric wheel; 6. a connector; 7. a piston rod; 8. a piston body; 9. a piston pad; 10. an air intake cover; 11. a cylinder block; 12. an intake valve; 13. an exhaust valve; 14. a middle layer; 15. a top cover; 16. a sealing gasket; 17. an air intake duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments 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 work belong to the protection scope of the present invention.

Referring to fig. 1-1, the present invention provides a technical solution: a small compressor for a portable oxygen generator comprises a rotating motor 1 and a supporting main body 2, wherein the rotating motor 1 is arranged inside the left end of the supporting main body 2, the right end of the rotating motor 1 is connected with a rotating shaft 3, the right end of the rotating shaft 3 is connected with an eccentric wheel 5, the right side of the eccentric wheel 5 is provided with a piston rod 7, the rotating shaft 3 and the piston rod 7 are kept in a mutually vertical state, the right end of the rotating shaft 3 is fixedly inserted into the eccentric wheel 5, the lower end of the piston rod 7 is connected with a connector 6 at the right end of the eccentric wheel 5, so that the rotating motor 1 can be driven by a single shaft of the rotating shaft 3, the piston rod 7 drives a piston body 8 at the upper end to vertically reciprocate by the transmission performance of the eccentric wheel 5 and the piston rod 7, the eccentric wheel, the upper end of the supporting main body 2 is connected with a cylinder body 11, a piston rod 7, a piston body 8 and the center of a circle of the cylinder body 11 are vertically on the same straight line, and the piston rod 7 and the piston body 8 can do reciprocating motion in the vertical direction in the cylinder body 11, so that the working volume formed by the cylinder body 11, a top sealing cover 15 and the upper top surface of the piston body 8 can be periodically changed, the processes of air intake, compression and exhaust can be successively realized in the cylinder body 11, and the working cycle is continuously completed.

A small compressor for a portable oxygen generator comprises a piston pad 9 arranged at the bottom end inside a cylinder body 11, an air inlet cover 10 arranged at the upper end of the piston pad 9, an air inlet cover 10 arranged at the lower end of a piston rod 7 vertically penetrating through the air inlet cover 10 and the piston pad 9 in the cylinder body 11 and fixedly connected with a connector 6, the piston rod 7 can be controlled by an eccentric wheel 5 under the drive of a rotating motor 1, when a crankshaft of the eccentric wheel 5 rotates for one circle, the piston rod 7 drives a piston body 8 to reciprocate once inside the cylinder body 11, so as to complete a cycle process of air inlet, compression and exhaust, the upper end of the cylinder body 11 is connected with a middle layer 14, one end of the middle layer 14 is provided with an air inlet valve 12, the other end of the middle layer 14 is provided with an exhaust valve 13, the air inlet valve 12 and the exhaust valve 13 at two ends of the middle layer 14 are respectively provided, the displacement volume inside the cylinder block 11 gradually increases, when gas pushes open the inlet valve 12 along the inlet means into the cylinder block 11, until the displacement volume reaches a maximum, when the inlet valve 12 starts to close, when the piston body 8 moves in the opposite direction, the working volume in the cylinder body 11 is gradually reduced, the pressure of the internal gas is increased, when the internal pressure of the cylinder body 11 reaches and is slightly higher than the exhaust pressure, the exhaust valve 13 is opened, gas is exhausted out of the cylinder body 11 until the piston body 8 moves to the limit position, the exhaust valve 13 is closed, the upper end of the middle layer 14 is connected with the top sealing cover 15, one end of the top sealing cover 15 is connected with the air inlet guide pipe 17, a sealing gasket 16 is arranged between the middle layer 14 and the top sealing cover 15, the rotating motor 1 is electrically connected through an external power supply, and the outer wall of the lower end of the support main body 2 is provided with support pad feet 4 close to four corners.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the compressor belongs to a micro reciprocating piston compressor, the rotating motor 1 can be driven by a rotating shaft 3 through a single shaft, the piston rod 7 drives a piston body 8 with self-lubricating upper end without adding any lubricant to vertically reciprocate by the transmission performance of an eccentric wheel 5 and the piston rod 7, so that the working volume formed by a cylinder body 11, a top sealing cover 15 and the upper top surface of the piston body 8 can be periodically changed, thereby the processes of air intake, compression and exhaust can be successively realized in the cylinder body 11, the working cycle can be continuously completed, the compressor can continuously complete the working process, the piston body 8 starts to move from the top sealing cover 15 to the bottom, the working volume in the cylinder body 11 is gradually increased, at the moment, gas pushes away an air inlet valve 12 and enters the cylinder body 11 until the working volume is maximum, at this time, the intake valve 12 starts to close, when the piston body 8 moves in the reverse direction, the working volume inside the cylinder 11 gradually decreases, the pressure of the internal gas increases, when the internal pressure of the cylinder 11 reaches and is slightly higher than the exhaust pressure, the exhaust valve 13 opens, the gas is discharged out of the cylinder 11 until the piston body 8 moves to the limit position, the exhaust valve 13 closes, and when the piston body 8 moves in the reverse direction again, the above process is repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A small compressor for portable oxygenerators, comprising a rotary electric machine (1) and a supporting body (2), characterized in that: the rotary motor (1) is arranged inside the left end of the supporting main body (2), the right end of the rotary motor (1) is connected with a rotary shaft (3), the right end of the rotary shaft (3) is connected with an eccentric wheel (5), the right side of the eccentric wheel (5) is provided with a piston rod (7), the eccentric wheel (5) is fixedly connected with the piston rod (7) through a connector (6), the upper end of the piston rod (7) is provided with a piston body (8), the upper end of the supporting main body (2) is connected with an air cylinder body (11), the inner bottom end of the air cylinder body (11) is provided with a piston pad (9), the upper end of the piston pad (9) is provided with an air inlet cover (10), the upper end of the air cylinder body (11) is connected with a middle layer (14), one end of the middle layer (14) is provided with an air inlet valve (, the upper end of middle level (14) is connected with top closing cap (15), the one end of top closing cap (15) is connected with air inlet pipe (17), be provided with seal ring (16) between middle level (14) and top closing cap (15), rotating electrical machines (1) pass through external power source electric connection.

2. A compact compressor for a portable oxygen generator as claimed in claim 1, wherein: the outer wall of the lower end of the supporting main body (2) is provided with supporting pad feet (4) close to four corners.

3. A compact compressor for a portable oxygen generator as claimed in claim 1, wherein: the rotating shaft (3) and the piston rod (7) are kept in a mutually perpendicular state.

4. A compact compressor for a portable oxygen generator as claimed in claim 1, wherein: the piston rod (7), the piston body (8) and the center of a circle of the cylinder body (11) are vertically on the same straight line.

5. A compact compressor for a portable oxygen generator as claimed in claim 1, wherein: and an air inlet and an air outlet are respectively arranged on the air inlet valve (12) and the air outlet valve (13) at the two ends of the middle layer (14).

6. A compact compressor for a portable oxygen generator as claimed in claim 1, wherein: the lower end of the piston rod (7) vertically penetrates through an air inlet cover (10) and a piston pad (9) in an air cylinder body (11) and is fixedly connected with the connector (6).