CN220726516U

CN220726516U - Oilless air compressor

Info

Publication number: CN220726516U
Application number: CN202322415123.9U
Authority: CN
Inventors: 姚宾勇
Original assignee: Dongguan Leynow Electrical & Mechanical Technology Co ltd
Current assignee: Dongguan Leynow Electrical & Mechanical Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-05
Anticipated expiration: 2033-09-06

Abstract

The utility model belongs to the technical field of air compressors, and particularly relates to an oilless air compressor which comprises a double-shaft motor, a compression assembly and an air cylinder; the cylinder comprises a cylinder body and a top cover covered on the cylinder body, the top cover is provided with an air inlet, the air inlet is provided with a bamboo charcoal filter screen, and a piston is arranged in the cylinder body; the double-shaft motor is provided with an output shaft, and a bearing is correspondingly arranged on the output shaft; the compression assembly comprises a shell, an eccentric wheel and a connecting rod, wherein the eccentric wheel is sleeved on the output shaft, a bearing is sleeved outside the eccentric wheel, the connecting rod is sleeved on the eccentric wheel and corresponds to the piston, the eccentric wheel, the connecting rod and the output shaft are all arranged inside the shell, and a sensing element is arranged on the inner wall of the shell. The utility model has good installation stability, stable operation and higher efficiency.

Description

Oilless air compressor

Technical Field

The utility model belongs to the technical field of air compressor production and manufacturing, and particularly relates to an oil-free air compressor.

Background

An air compressor is an apparatus for compressing gas, and an oil-free compressor refers to a mechanical device that does not use lubricating oil in a cylinder of the compressor, and mainly converts mechanical energy of a motor into gas pressure energy.

The existing air compressor is poor in stability, cannot be operated stably and is low in operation speed, and meanwhile cannot keep gas entering the inside of the machine dry, so that the service life of the machine is influenced by water vapor corrosion. For this reason, a new solution is needed to solve the above problems.

Disclosure of Invention

The utility model aims at: aiming at the defects of the prior art, the oil-free air compressor is provided, has good installation stability, can stably run, has higher running efficiency, and is provided with a bamboo charcoal filter screen at an air inlet to keep gas dry, so that the device is prevented from being corroded by water vapor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an oilless air compressor comprises a double-shaft motor, a compression assembly and an air cylinder;

the cylinder comprises a cylinder body and a top cover covered on the cylinder body, the top cover is provided with an air inlet, the air inlet is provided with a bamboo charcoal filter screen, and a piston is arranged in the cylinder body;

the double-shaft motor is provided with an output shaft, and a bearing is correspondingly arranged on the output shaft;

the compression assembly comprises a shell, an eccentric wheel and a connecting rod, wherein the eccentric wheel is sleeved on the output shaft and is sleeved on the bearing, the connecting rod is sleeved on the eccentric wheel and is arranged corresponding to the piston, the eccentric wheel, the connecting rod and the output shaft are all arranged inside the shell, and a sensing element is arranged on the inner wall of the shell.

As an improvement of the oil-free air compressor, the sensing element is provided as a temperature detecting element for detecting the temperature of wind; in some embodiments, the sensing element may also be configured as a humidity monitoring element or a disinfection device, to meet different usage requirements.

As an improvement of the oil-free air compressor of the present utility model, the compression molding machine further comprises a capacitor, the capacitor comprises a capacitor shell and a capacitor positioned in the capacitor shell, the capacitor is arranged outside the shell and is electrically connected with the double-shaft motor, and the capacitor can regulate current and improve the efficiency of the compressor.

As an improvement of the oil-free air compressor, the air cylinder further comprises a base plate, the base plate is covered on the cylinder body and located below the top cover, and a gasket is arranged on the base plate.

As an improvement of the oil-free air compressor, a first sealing element is arranged between the air cylinder and the top cover, a second sealing element is arranged between the backing plate and the top cover, and the shapes of the first sealing element and the second sealing element are respectively matched with those of the air cylinder and the backing plate.

As an improvement of the oil-free air compressor, a plurality of first radiating holes and a plurality of second radiating holes are formed in one surface, far away from the double-shaft motor, of the shell, and a plurality of second radiating holes are formed in the peripheral side, close to one end of the cylinder, of the shell.

As an improvement of the oil-free air compressor, a fan is further arranged in the shell, and the fan is arranged on the output shaft and corresponds to the first radiating hole.

As an improvement of the oil-free air compressor, the compression assembly and the air cylinder are both provided with two parts, and are symmetrically arranged on two sides of the double-shaft motor and have the same structure.

As an improvement of the oil-free air compressor, the oil-free air compressor further comprises a guide pipe, wherein two ends of the guide pipe are respectively arranged on the two top covers.

As an improvement of the oil-free air compressor, the double-shaft motor is arranged in a protective shell, and the protective shell is fixedly connected with the two shells.

The oil-free air compressor has the beneficial effects that the oil-free air compressor comprises a double-shaft motor, a compression assembly and an air cylinder; the cylinder comprises a cylinder body and a top cover covered on the cylinder body, the top cover is provided with an air inlet, the air inlet is provided with a bamboo charcoal filter screen, and a piston is arranged in the cylinder body; the double-shaft motor is provided with an output shaft, and a bearing is correspondingly arranged on the output shaft; the compression assembly comprises a shell, an eccentric wheel and a connecting rod, wherein the eccentric wheel is sleeved on the output shaft, a bearing is sleeved outside the eccentric wheel, the connecting rod is sleeved on the eccentric wheel and corresponds to the piston, the eccentric wheel, the connecting rod and the output shaft are all arranged inside the shell, and a sensing element is arranged on the inner wall of the shell. The utility model has good installation stability, can stably run, has higher running efficiency, and the bamboo charcoal filter screen arranged at the air inlet keeps the air dry, prevents the device from being corroded by water vapor, and the arrangement of the sensing element is convenient for monitoring the parameters and the state of wind.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Wherein reference numerals are as follows:

1-a double-shaft motor; 11-an output shaft; 12-a bearing; 13-a protective shell;

2-a compression assembly; 21-a housing; 211-first heat dissipation holes; 212-second heat dissipation holes; 22-eccentric wheel; 23-connecting rod; 24-fans; 25-fixing piece;

3-cylinder; 31-a cylinder body; 32-top cover; 33-air inlet; 34-a piston; 35-backing plate; 36-a first seal; 37-a second seal;

4-a capacitor;

5-a catheter; 51-connecting piece;

6-shock pad.

Detailed Description

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail below with reference to fig. 1 to 2 and the detailed embodiments, but is not limited thereto.

An oilless air compressor comprises a double-shaft motor 1, a compression assembly 2, a cylinder 3, a capacitor 4, a guide pipe 5 and a shock pad 6, and the embodiment has good installation stability, can run stably and has higher running efficiency.

Preferably, the double-shaft motor 1 is provided with an output shaft 11, the output shaft 11 is correspondingly provided with a bearing 12, the double-shaft motor 1 is arranged in a protective shell 13, the protective shell 13 plays a role in protecting the double-shaft motor 1 and can prevent dust or sundries from entering the double-shaft motor 11, and the service life of the double-shaft motor 1 is prolonged.

Preferably, the compression assembly 2 comprises a shell 21, an eccentric wheel 22 and a connecting rod 23, wherein the eccentric wheel 22 is sleeved on the output shaft 11 and is externally sleeved on the bearing 12, the connecting rod 23 is sleeved on the eccentric wheel 22 and is arranged corresponding to the piston 34, the eccentric wheel 22, the connecting rod 23 and the output shaft 11 are all arranged in the shell 21, and when in actual work, the eccentric wheel 22 circumferentially rotates and drives the bearing 12 and the connecting rod 23 to reciprocate up and down, so that the efficient air suction and the efficient air discharge of the compressor are realized; the inner wall of the housing 21 is provided with a sensing element, which in this embodiment is provided as an NTC thermistor, which is capable of monitoring the air outlet temperature, in some embodiments may be provided with an alarm device and a temperature threshold, and once the temperature threshold is exceeded, the alarm device alarms, and the sensing element may also be provided as a humidity sensing element or a sensing element for other parameters, so as to meet different use requirements.

Preferably, a plurality of first heat dissipation holes 211 and a plurality of second heat dissipation holes 212 are formed in one surface, far away from the double-shaft motor 1, of the casing 21, a plurality of second heat dissipation holes 212 are formed in the peripheral side, close to one end of the cylinder 3, of the casing 21, a fan 24 is further arranged in the casing 21, the fan 24 is arranged on the output shaft 11 and corresponds to the first heat dissipation holes 211, the plurality of first heat dissipation holes 211 are integrally arranged in a circular ring and correspond to the fan 24, the plurality of second heat dissipation holes 212 are distributed in the casing 21 in a scattered mode, and the heat dissipation effect of the whole compressor is guaranteed due to the arrangement of the first heat dissipation holes 211, the second heat dissipation holes 212 and the fan 24, and the situation that the machine stops running due to overhigh temperature is avoided.

Preferably, the compression assembly 2 and the air cylinder 3 are both provided with two, are symmetrically arranged on two sides of the double-shaft motor 1 and have the same structure, the protective shell 13 is fixedly connected with the two shells 21 and is further provided with a fixing piece 25, and the fixing piece 25 is provided with a long screw and is used for fixing the two shells 21 again, so that the connection stability of the whole device is improved.

Preferably, the cylinder 3 comprises a cylinder body 31 and a top cover 32 covered on the cylinder body 31, the top cover 32 is provided with an air inlet 33, the air inlet 33 is provided with a bamboo charcoal filter screen, and the bamboo charcoal filter screen is used for absorbing the moisture of the air inlet, guaranteeing the dryness of the air entering the compressor and preventing the device from being corroded by water vapor; the piston 34 is arranged in the cylinder body 31, the size of the part, which is contacted with the piston 34, of the connecting rod 23 is the same, the normal operation of the compressor for compressing gas is ensured, the cylinder 3 also comprises a base plate 35, the base plate 35 is covered on the cylinder body 31 and is positioned below the top cover 32, and a gasket is arranged on the base plate 35 and is used for compressing gas by matching with the piston 34; a first sealing element 36 is arranged between the air cylinder 3 and the top cover 32, a second sealing element 37 is arranged between the backing plate 35 and the top cover 32, the shapes of the first sealing element 36 and the second sealing element 37 are respectively matched with those of the air cylinder 3 and the backing plate 35, and the first sealing element 36 and the second sealing element 37 are used for guaranteeing the tightness of the air cylinder 3 and further guaranteeing the normal implementation of the compressed gas function.

Preferably, the capacitor 4 includes a capacitor housing and a capacitor located in the capacitor housing, the capacitor 4 is disposed outside the housing 21 and electrically connected to the dual-shaft motor 1, and since the dual-shaft motor 1 is a single-phase motor, the current is not stable, and the capacitor 4 is disposed to adjust the current and improve the efficiency of the compressor.

Preferably, two ends of the conduit 5 are respectively arranged on the two top covers 32, and a connecting piece 51 is arranged in the top covers 32 and used for connecting the conduit 5, air holes are formed in the connecting piece 51, so that gas circulation is guaranteed, in the embodiment, the conduit 5 is made of 6061 aluminum alloy and can be more effectively prevented from being corroded by water vapor through an electroplating oxidation process.

Preferably, the shock pad 6 is disposed at the bottom of the housing 21 for shock absorption of the whole machine, and the dual-shaft motor 1 in this embodiment adopts pure copper wires and imported silicon steel sheets, which can further improve efficiency and reduce noise.

Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. An oilless air compressor is characterized by comprising a double-shaft motor (1), a compression assembly (2) and a cylinder (3);

the air cylinder (3) comprises a cylinder body (31) and a top cover (32) which is arranged on the cylinder body (31) in a covering mode, the top cover (32) is provided with an air inlet (33), the air inlet (33) is provided with a bamboo charcoal filter screen, and a piston (34) is arranged inside the cylinder body (31);

the double-shaft motor (1) is provided with an output shaft (11), and a bearing (12) is correspondingly arranged on the output shaft (11);

the compression assembly (2) comprises a shell (21), an eccentric wheel (22) and a connecting rod (23), wherein the eccentric wheel (22) is sleeved on the output shaft (11) and is sleeved on the bearing (12), the connecting rod (23) is sleeved on the eccentric wheel (22) and is correspondingly arranged with the piston (34), the eccentric wheel (22), the connecting rod (23) and the output shaft (11) are all arranged inside the shell (21), and a sensing element is arranged on the inner wall of the shell (21).

2. An oil-free air compressor as claimed in claim 1, wherein the sensing element is provided as a temperature detecting element for detecting the temperature of the wind.

3. The oil-free air compressor of claim 1, further comprising a capacitor (4), the capacitor (4) comprising a capacitor housing and a capacitor located within the capacitor housing, the capacitor (4) being disposed outside the housing (21) and electrically connected to the biaxial motor (1).

4. The oil-free air compressor as claimed in claim 1, wherein the cylinder (3) further comprises a pad (35), the pad (35) being provided to cover the cylinder body (31) and being located below the top cover (32), the pad (35) being provided with a gasket.

5. -oil-free air compressor according to claim 4, characterised in that a first sealing element (36) is provided between the cylinder (3) and the top cover (32), a second sealing element (37) is provided between the pad (35) and the top cover (32), the shape of the first sealing element (36) and the second sealing element (37) being adapted to the shape of the cylinder (3) and the pad (35), respectively.

6. An oil-free air compressor as claimed in claim 1, wherein a plurality of first heat radiation holes (211) and a plurality of second heat radiation holes (212) are provided on a surface of the housing (21) away from the biaxial motor (1), and a plurality of second heat radiation holes (212) are provided on a peripheral side of the housing (21) near one end of the cylinder (3).

7. An oil-free air compressor as claimed in claim 6, characterized in that a fan (24) is further provided in the housing (21), the fan (24) being provided on the output shaft (11) and being provided in correspondence with the first heat-dissipating holes (211).

8. The oil-free air compressor as claimed in claim 1, wherein the compression assembly (2) and the cylinder (3) are provided in two, and are symmetrically arranged on both sides of the double-shaft motor (1) and have the same structure.

9. -oil-free air compressor according to claim 8, characterised in that it further comprises a duct (5), the two ends of said duct (5) being provided respectively at two of said caps (32).

10. An oil-free air compressor as claimed in claim 8, characterized in that the double-shaft motor (1) is arranged in a protective housing (13), the protective housing (13) being fixedly connected to two of the outer housings (21).