CN214944802U

CN214944802U - Oil-free compressor

Info

Publication number: CN214944802U
Application number: CN202022818158.3U
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: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-30
Anticipated expiration: 2030-11-30

Abstract

The utility model belongs to the technical field of the air compressor machine, concretely relates to oil-free compressor, including cylinder, connecting rod, double-shaft motor and shell, the top of cylinder is provided with the valve plate, and the inside of cylinder is provided with the piston, and the top of connecting rod stretches into the inside of cylinder from the bottom of cylinder, and the output shaft of double-shaft motor is provided with the eccentric wheel, and the lateral part cover of eccentric wheel is equipped with the bearing, and the bearing inlays the bottom of locating the connecting rod, and the shell includes the last supporting part and the lower supporting part that communicate each other, and the cylinder sets up in last supporting part, and the output shaft of double-shaft motor sets up in lower supporting part. The utility model discloses an installation stability is good, moves in a flexible way, and each part harmony is good, has improved the operating efficiency of compressor effectively.

Description

Oil-free compressor

Technical Field

The utility model belongs to the technical field of the air compressor machine, concretely relates to oil-free compressor.

Background

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

The existing oil-free compressor has poor installation stability, poor coordination of all parts, poor heat dissipation performance of the compressor and low operation efficiency, and cannot ensure safe and efficient operation of the compressor.

Therefore, a new oil-free compressor is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the oil-free compressor is provided, the installation stability is good, the operation is flexible, the coordination of all the parts is good, and the operation efficiency of the compressor is effectively improved.

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

the utility model provides an oil-free compressor, includes cylinder, connecting rod, double-shaft motor and shell, the top of cylinder is provided with the valve plate, the inside of cylinder is provided with the piston, the top of connecting rod is followed the bottom of cylinder stretches into the inside of cylinder, double-shaft motor's output shaft is provided with the eccentric wheel, the lateral part cover of eccentric wheel is equipped with the bearing, the bearing inlays to be located the bottom of connecting rod, the shell includes the last bearing portion and the lower bearing portion that communicate each other, the cylinder set up in go up bearing portion, double-shaft motor's output shaft set up in bearing portion down.

Further, the valve plate is arranged at the top of the upper bearing part, the cylinder is arranged inside the upper bearing part, the piston is arranged between the top of the connecting rod and the valve plate, and the top of the cylinder is hermetically connected with the bottom of the valve plate.

Further, the inside of lower bearing portion is provided with the mount, the output shaft of double-shaft motor install in the mount, the mount is used for improving double-shaft motor's operating stability.

Furthermore, the output shaft of the double-shaft motor is provided with a fan, the fan and the eccentric wheel are contained in the lower bearing part, and the fan is used for dissipating heat of the eccentric wheel and the double-shaft motor.

Furthermore, a heat dissipation cover plate is arranged on the side portion of the lower bearing portion, the fan is arranged between the heat dissipation cover plate and the eccentric wheel, and the eccentric wheel and the fan are arranged between the fixing frame and the heat dissipation cover plate.

Further, a reinforced cover is arranged at the top of the valve plate, and a guide pipe communicated with the interior of the reinforced cover is arranged on the side of the reinforced cover.

Further, a tray is arranged between the top of the connecting rod and the bottom of the piston and used for supporting the piston.

Further, two be provided with the safety cover between the shell, double-shaft motor install in the safety cover, the both sides of safety cover respectively with two the shell is connected.

Furthermore, two be provided with a plurality of gag lever posts between the shell, it is a plurality of the gag lever post encloses to be located the safety cover, the both ends of gag lever post respectively with two the shell is connected.

Furthermore, the upper bearing part and the lower bearing part are both provided with heat dissipation grooves.

The beneficial effects of the utility model reside in that: the utility model discloses a cylinder, the connecting rod, double-shaft motor and shell, the top of cylinder is provided with the valve plate, the inside of cylinder is provided with the piston, the top of connecting rod stretches into the inside of cylinder from the bottom of cylinder, the valve plate, the cylinder, piston and connecting rod cooperation can produce the gas pressure ability, and, double-shaft motor's output shaft is provided with the eccentric wheel, the lateral part cover of eccentric wheel is equipped with the bearing, the bearing inlays the bottom of locating the connecting rod, make the up-and-down motion of connecting rod nimble reliable, and simultaneously, the shell includes upper bearing portion and lower bearing portion that communicate each other, the cylinder sets up in upper bearing portion, double-shaft motor's output shaft sets up in lower bearing portion, make double-shaft motor, connecting rod and cylinder all install stably firm, furthermore, double-shaft motor's operating efficiency is high, thereby the operating efficiency of compressor has been improved effectively.

Drawings

Fig. 1 is an exploded view of embodiment 1 of the present invention.

Fig. 2 is the utility model discloses embodiment 1's cylinder, connecting rod, biax motor, valve plate, piston, eccentric wheel, bearing and tray decomposition sketch map.

Fig. 3 is a schematic structural diagram of a housing according to embodiment 1 of the present invention.

Fig. 4 is a perspective view of embodiment 1 of the present invention.

Wherein: 1-a cylinder; 2-a connecting rod; 3-a two-shaft motor; 4-a housing; 5-a valve plate; 6-a piston; 7-eccentric wheel; 8-a bearing; 9-a fan; 10-a heat dissipation cover plate; 11-a reinforcing cover; 12-a catheter; 13-a tray; 14-a protective cover; 15-a limiting rod; 31-an output shaft; 41-upper bearing part; 42-a lower support; 421-fixed frame.

Detailed Description

As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically 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 present invention will be described in further detail with reference to the accompanying drawings 1 to 4 and the specific embodiments, but the present invention is not limited thereto.

Example 1

An oil-free compressor, as shown in fig. 1-2, comprises a cylinder 1, a connecting rod 2, a double-shaft motor 3 and a housing 4, wherein a valve plate 5 is arranged at the top of the cylinder 1, a piston 6 is arranged inside the cylinder 1, the top of the connecting rod 2 extends into the cylinder 1 from the bottom of the cylinder 1, the top of the connecting rod 2 is used for driving the piston 6 to move inside the cylinder 1, an output shaft 31 of the double-shaft motor 3 is provided with an eccentric wheel 7, the side part of the eccentric wheel 7 is sleeved with a bearing 8, the bearing 8 is embedded at the bottom of the connecting rod 2, during the operation process of the output shaft 31 of the double-shaft motor 3, the eccentric wheel 7 rotates circumferentially and drives the bearing 8 and the connecting rod 2 to reciprocate up and down, so as to realize high-efficiency air extraction and high-efficiency air exhaust of the compressor, meanwhile, the housing 4 comprises an upper bearing part 41 and a lower bearing part 42 which are communicated with each other, the cylinder 1 is arranged at the upper bearing part 41, the output shaft 31 of the double-shaft motor 3 is arranged at the lower bearing part 42, the upper bearing part 41 and the lower bearing part 42 are integrally formed, the structure is firm, and the installation stability and the operation stability of all parts in the upper bearing part 41 and the lower bearing part 42 are guaranteed.

Preferably, in order to improve the installation stability of the valve plate 5, the valve plate 5 is disposed on the top of the upper support portion 41, the cylinder 1 is disposed inside the upper support portion 41, the piston 6 is disposed between the top of the connecting rod 2 and the valve plate 5, and the top of the cylinder 1 is hermetically connected with the bottom of the valve plate 5.

As shown in fig. 3, a fixing frame 421 is disposed inside the lower supporting portion 42, the output shaft 31 of the dual-shaft motor 3 is mounted on the fixing frame 421, and the fixing frame 421 and the inner wall of the lower supporting portion 42 are integrally formed, so that the structure is firm, and the efficient operation of the dual-shaft motor 3 is guaranteed.

Preferably, the output shaft 31 of the dual-shaft motor 3 is provided with the fan 9, the fan 9 and the eccentric wheel 7 are both accommodated in the lower supporting portion 42, and the fan 9 is used for dissipating heat for the components such as the dual-shaft motor 3 and the eccentric wheel 7, so that the inner wall of the lower supporting portion 42 can be quickly cooled, and the normal operation of the dual-shaft motor 3 is ensured, wherein the eccentric wheel 7 and the fan 9 are both arranged on the two output shafts 31 of the dual-shaft motor 3.

Preferably, in order to improve the overall heat dissipation efficiency of the compressor, the side portion of the lower supporting portion 42 is provided with a heat dissipation cover plate 10, the fan 9 is arranged between the heat dissipation cover plate 10 and the eccentric 7, and both the eccentric 7 and the fan 9 are arranged between the fixed frame 421 and the heat dissipation cover plate 10.

Preferably, the top of the valve plate 5 is provided with a reinforcing cover 11, the side of the reinforcing cover 11 is provided with a conduit 12 communicating with the inside of the reinforcing cover 11, and the reinforcing cover 11 is used to improve the mounting stability of the valve plate 5.

Preferably, a tray 13 is arranged between the top of the connecting rod 2 and the bottom of the piston 6, the tray 13 is used for supporting the piston 6, the tray 13 prevents the top of the connecting rod 2 from directly impacting the piston 6, and the operation safety of the piston 6 is guaranteed.

Preferably, a protective cover 14 is disposed between the two casings 4, the dual-shaft motor 3 is installed in the protective cover 14, two sides of the protective cover 14 are respectively connected with the two casings 4, and the protective cover 14 can improve the mechanical stability of the compressor.

Preferably, be provided with a plurality of gag lever posts 15 between two shells 4, a plurality of gag lever posts 15 enclose and locate safety cover 14, and gag lever post 15's both ends are connected with two shells 4 respectively, and gag lever post 15's quantity can be for 4 ~ 8, and a plurality of gag lever posts 15 are parallel to each other, can carry out spacing fixed to safety cover 14.

Preferably, the upper and lower receiving

portions

41 and 42 are provided with heat dissipation grooves, which may be opened at the side portions of the upper and lower receiving

portions

41 and 42, thereby increasing the heat dissipation efficiency of the case 4.

Example 2

The difference between this embodiment and embodiment 1 is that the top of the reinforcing cover 11 is further provided with a plurality of heat dissipation grooves, and the width of the heat dissipation grooves is 30mm to 50mm, so that efficient heat dissipation of the valve plate 5 and the guide pipe 12 can be realized.

Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.

Obviously, the utility model discloses an installation stability is good, moves in a flexible way, and each part harmony is good to the operating efficiency of compressor has been improved effectively.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. An oil-free compressor, characterized in that: comprises a cylinder (1), a connecting rod (2), a double-shaft motor (3) and a shell (4);

the top of the cylinder (1) is provided with a valve plate (5), a piston (6) is arranged in the cylinder (1), and the top of the connecting rod (2) extends into the cylinder (1) from the bottom of the cylinder (1);

an output shaft (31) of the double-shaft motor (3) is provided with an eccentric wheel (7), a bearing (8) is sleeved on the side part of the eccentric wheel (7), and the bearing (8) is embedded at the bottom of the connecting rod (2);

the shell (4) comprises an upper bearing part (41) and a lower bearing part (42) which are communicated with each other, the cylinder (1) is arranged on the upper bearing part (41), and an output shaft (31) of the double-shaft motor (3) is arranged on the lower bearing part (42);

a fixed frame (421) is arranged in the lower bearing part (42), an output shaft (31) of the double-shaft motor (3) is arranged on the fixed frame (421), a fan (9) is arranged on the output shaft (31) of the double-shaft motor (3), and the fan (9) and the eccentric wheel (7) are accommodated in the lower bearing part (42);

the lateral part of the lower supporting part (42) is provided with a heat dissipation cover plate (10), the fan (9) is arranged between the heat dissipation cover plate (10) and the eccentric wheel (7), and the eccentric wheel (7) and the fan (9) are arranged between the fixed frame (421) and the heat dissipation cover plate (10).

2. An oil-free compressor as claimed in claim 1, wherein: the valve plate (5) is arranged at the top of the upper supporting part (41), the cylinder (1) is arranged in the upper supporting part (41), the piston (6) is arranged between the top of the connecting rod (2) and the valve plate (5), and the top of the cylinder (1) is hermetically connected with the bottom of the valve plate (5).

3. An oil-free compressor as claimed in any one of claims 1 to 2, wherein: the top of valve plate (5) is provided with reinforced lid (11), the lateral part of reinforced lid (11) is provided with reinforced lid (11) inside intercommunication's pipe (12).

4. An oil-free compressor as claimed in any one of claims 1 to 2, wherein: a tray (13) is arranged between the top of the connecting rod (2) and the bottom of the piston (6), and the tray (13) is used for supporting the piston (6).

5. An oil-free compressor as claimed in claim 1, wherein: two be provided with between shell (4) safety cover (14), double-shaft motor (3) install in safety cover (14), the both sides of safety cover (14) respectively with two shell (4) are connected.

6. An oil-free compressor as claimed in claim 5, wherein: two be provided with a plurality of gag lever post (15) between shell (4), it is a plurality of gag lever post (15) enclose locate safety cover (14), the both ends of gag lever post (15) are respectively with two shell (4) are connected.

7. An oil-free compressor as claimed in claim 1, wherein: the upper bearing part (41) and the lower bearing part (42) are both provided with a plurality of heat dissipation grooves.