CN206562979U - A kind of efficient energy-saving air compressor - Google Patents

Abstract

The utility model provides an energy-saving and high-efficiency air compressor, which comprises a secondary motor, and two ends of the secondary motor are respectively connected with gear boxes with the same structure; wherein, each gear box includes a driving gear, and the driving gear is installed on the secondary motor. On the rotor shaft of the motor, an intermediate gear is arranged in the middle of the gearbox, and the intermediate gear meshes with the driving gear. An output shaft is arranged on the upper part of the gearbox, and an output gear is installed in the middle of the output shaft. The wheel is connected with the connecting rod piston in the cylinder through the eccentric wheel bearing. The utility model has compact structure, single-head double-cylinder, one-machine four-cylinder, so that the efficiency is increased by 50%, and a large air pressure can be provided in a short time.

Description

An energy-saving and high-efficiency air compressor

technical field

The utility model relates to the technical field of gas compression, in particular to an air compressor.

Background technique

An air compressor is a device used to compress gas. Air compressors are similar to water pumps in structure, and can be divided into three categories according to their working principles: volumetric type, power type (speed type or turbine type), and thermal type compressors; according to their performance, they can be divided into: low noise, variable frequency, explosion-proof Wait for the air compressor. Existing air compressors generally have a structure of single head and single cylinder, and one machine with two cylinders. Although the structure is simple, the efficiency is low and the energy consumption is relatively high.

Utility model content

In view of the above problems, the purpose of this utility model is to provide an energy-saving and high-efficiency air compressor to solve the current shortcomings of insufficient air supply pressure, low efficiency, and high energy consumption.

An energy-saving and high-efficiency air compressor provided by the utility model includes a secondary motor, and two ends of the secondary motor are respectively connected with gear boxes with the same structure; wherein, each gear box includes a driving gear, and the driving gear is installed on the secondary motor. On the rotor shaft of the motor, an intermediate gear is arranged in the middle of the gearbox, and the intermediate gear meshes with the driving gear. An output shaft is arranged on the upper part of the gearbox, and an output gear is installed in the middle of the output shaft. The wheel is connected with the connecting rod piston in the cylinder through the eccentric wheel bearing.

In addition, a preferred structure is that a cooling fan is installed at the end of the rotor shaft of the secondary motor.

In addition, it is preferable that the intermediate gear is integrally connected with its connecting shaft.

In addition, the preferred structure is that the piston in the connecting rod piston is integrally connected with the connecting rod, and the upper end of the piston is provided with a high temperature resistant rubber plate.

In addition, the preferred structure is that a cylinder pressure plate is installed above the cylinder, and two sets of suction valves and air outlet valves are installed on the cylinder pressure plate; a rubber sealing ring is arranged between the cylinder pressure plate and the cylinder.

In addition, the preferred structure is that a cylinder head is arranged above the cylinder pressure plate, and an air inlet groove and an air outlet groove corresponding to the air intake valve and the air outlet valve are opened on the cylinder head.

In addition, the preferred structure is that a muffler is provided in the air intake groove.

In addition, the preferred structure is that the side of the gear box is provided with a vent.

In addition, the preferred structure is that the cylinder is a cylindrical straight pipe.

In addition, the preferred structure is that the air outlet valve is connected with an air delivery pipe.

It can be seen from the above technical scheme that an energy-saving and high-efficiency air compressor of the utility model uses two-stage gear transmission to make the output power more peaceful, and the equipment has a compact structure. Cylinder" is designed as "single-head two-cylinder, one machine four-cylinder", which improves the efficiency by 50%, and can provide a large air pressure in a short time.

Description of drawings

By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the utility model, other objectives and results of the utility model will be more clear and easy to understand. In the attached picture:

Fig. 1 is a longitudinal sectional view of the utility model air compressor;

Fig. 2 is a sectional view along line A-A in Fig. 1;

Fig. 3 is a sectional view along the line B-B in Fig. 1;

Fig. 4 is a sectional view along line C-C in Fig. 1 .

The reference signs include: secondary motor 1, motor bearing 2, gearbox 3, driving gear 4, sealing ring 5, cooling fan 6, fixing plate 7, gear box outer cover 8, middle bearing 9, intermediate gear bearing 10 , intermediate gear 11, gearbox inner cover 12, upper bearing 13, output shaft 14, output shaft bearing 15, eccentric wheel 16, eccentric wheel bearing 17, output gear 18, connecting rod piston 19, cylinder 20, cylinder pressure plate 21, cylinder Cover 22, suction valve 23, gas outlet valve 24, muffler 25.

The same reference numerals indicate similar or corresponding features or functions throughout the drawings.

detailed description

In order to describe in detail the structure of an energy-saving and high-efficiency air compressor according to the embodiment of the utility model, specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

Figures 1-4 describe the structure of the best embodiment of the utility model, because the structure of the left end of the motor of the utility model air compressor is the same as that of the right end of the motor, so we only make a detailed elaboration on the structure of the left end of the motor. The air compressor of the utility model is composed of a motor structure, a gear transmission structure and a cylinder structure. It can be seen from Figure 1 that the rotor shaft of the secondary motor 1 is installed on the gearbox 3, the motor bearing 2 is installed on the gearbox 3, and the rotor shaft of the secondary motor 1 is supported by the motor bearing 2, and the rotor shaft of the secondary motor 1 is installed The driving gear 4 is fixed with a square key and a circlip, the intermediate gear 11 is installed on the gearbox 3 through the intermediate gear bearing 10, the output shaft 14 is installed on the gearbox 3 through the output shaft bearing 15, and the output gear 18 is installed on the gearbox 3 through the tight Cooperate with the output shaft 14, install the sealing ring 5 in the lower hole inside the gear box inner cover 12, install the middle bearing 9 in the middle hole, and install the upper bearing 13 in the upper hole, and put it in the middle where the gear box inner cover 12 and the gear box 3 are connected. The sealing ring is locked with 7 screws. The leftmost end of the rotor shaft of the secondary motor 1 is equipped with a cooling fan 6, and the two ends of the output shaft 14 are respectively equipped with an eccentric wheel 16, and an eccentric wheel bearing 17 is installed on the eccentric wheel 16, and a connecting rod piston 19 is installed on the eccentric wheel bearing 17. The two cylinders 20 are installed on the gear box 3, and the gear box 3 is in the shape of a stepped hole where the cylinder 20 is installed, and the gear box outer cover 8 at the left end is locked on the left side of the gear box 3 with 4 countersunk screws , the upper end of the gear box cover 8 is also a stepped hole shape, which is used to fix the locking cylinder 20, and the gear box cover 8 at the right end is locked on the right side of the gear box 3 with 4 countersunk screws, and the gear box cover 8 The upper end of the cylinder is also in the shape of a stepped hole, which is used to fix and lock the cylinder 20. The cylinder pressure plate 21 is directly installed on the outer cover 8 of the gear box. The contact surface between the cylinder 20 and the cylinder pressure plate 21 is put into a sealing ring. The valve 23 and the air outlet valve 24 are fixed and locked on the gear box 3 and the gear box cover 8 with 10 screws to fix and lock the cylinder head 22 and the cylinder pressure plate 21. A muffler 25 and an air delivery pipe are installed on the left end of the cylinder head. Use 4 bolts to lock the gear box 3 at the left end and the gear box 3 at the right end to fix the stator of the secondary motor 1, and fix the entire air compressor on the bracket with 4 bolts.

The material of the cylinder 20 is a high-temperature type, and the shape is a cylindrical straight pipe connected at both ends; the cylinder head 22 is installed on the cylinder pressure plate 21, and there are two rectangular grooves on the cylinder head 22, which are the air outlet groove and the cylinder head respectively. Air intake groove, which bears the functions of air outlet and air intake, is designed with a sealing groove on the cylinder head 22 to prevent air leakage during work, resulting in insufficient air pressure, and the user cannot work normally. Connecting rod piston 19 is designed as a whole, and the end that it is connected with cylinder 20 is installed the rubber plate of high temperature resistant material. Its other end is a non-sealed ring, which is used to install the bearing and locked with a headless screw. The eccentric wheel 16 is a part used to connect the connecting rod piston 19 and the output shaft 14 . The driving gear 4 is installed on the rotor shaft of the secondary motor 1, the intermediate gear 11 is designed to be integrated with the shaft, and is installed in the gearbox 3, and the output gear 18 is installed on the output shaft 14. The driving gear 4 meshes with the intermediate gear 11, and the intermediate gear 11 meshes with the output gear 18 to transmit power. The gear box 3 is used to fix the secondary motor 1, install gears and put lubricating oil. And the cylinder is also fixed on the top of the gear box 3, and the four sides of the gear box 3 are all provided with air vents for heat dissipation. Gear box 3 bottoms are provided with support and are used for fixing the whole machine on the gas container. And the fixed ribs are respectively designed around the horizontal direction, and the secondary motor 1 is fixed with four screws. The gear box inner cover 8 is used to lock the lubricating oil in the gear box 3 and support gears. It is directly covered inside the gear box 3 and locked with 7 screws. There are sealing grooves and bosses in the gear box inner cover 12. The sealing grooves are used to prevent lubricating oil from leaking, and the bosses are used to position the three gears. center. There is a half cylinder ring on the top of the gear box cover 8, which is used to lock the cylinder 20 and is directly connected to the gear box 3. There are four screw holes on the side of the gear box 3, and the gear box cover is fixed with four countersunk head screws. 8 is connected with gear box 3. The lower side of the 8 sections of the gear box cover is a fan retaining ring, and they are directly designed as a whole. The fan retaining ring is used for exhausting, reducing the temperature of the secondary motor 1 and the cylinder 20.

During work, the secondary motor 1 drives the driving gear 4 and the cooling fan 6 to run, the driving gear 4 transmits the power to the output shaft 14, the output shaft 14 drives the eccentric wheel 16 to rotate, the eccentric wheel 16 is connected with the connecting rod piston 19, and the crank The principle of the slider mechanism converts the rotary motion of the eccentric wheel 16 into the up and down motion of the piston. The piston moves up and down in the cylinder 20 like this. When the piston is downward, it is sucking air from the suction hole of the piston pressure plate, and the film in the suction hole on the piston pressure plate is downward to complete the suction. When the piston is upward, the air in the cylinder is Push it into the air outlet hole of the piston pressing plate, and the film of the air outlet hole of the piston pressing plate is pushed out upwards to complete the air outlet.

Because the utility model adopts the above-mentioned structure, the work efficiency is increased to 50%, and the structure is more compact, and the gear transmission is used to make it more suitable for working under the conditions of heavy load and high temperature and dusty and dusty environment. The air compressor of the utility model is used in our daily life, such as decoration company, painting, tire inflation, factory gas station, medical treatment and even scientific research institute and so on.

Claims (10)

1. An energy-saving and high-efficiency air compressor is characterized in that it comprises a secondary motor, and the two ends of the secondary motor are respectively connected with gear boxes with the same structure; wherein, each gear box includes a driving gear, and the driving gear is installed on the second On the rotor shaft of the first-stage motor, an intermediate gear is arranged in the middle of the gearbox, and the intermediate gear meshes with the driving gear. An output shaft is arranged on the upper part of the gearbox, an output gear is installed in the middle of the output shaft, and eccentric wheels are installed at both ends of the output shaft. The eccentric wheel is connected with the connecting rod piston in the cylinder through the eccentric wheel bearing. 2. An energy-saving and high-efficiency air compressor according to claim 1, wherein a cooling fan is installed at the end of the rotor shaft of the secondary motor. 3. An energy-saving and high-efficiency air compressor according to claim 1, wherein the intermediate gear is integrally connected with its connecting shaft. 4. An energy-saving and high-efficiency air compressor according to claim 1, wherein the piston in the connecting rod piston is integrally connected with the connecting rod, and the upper end of the piston is provided with a high-temperature resistant rubber plate. 5. An energy-saving and high-efficiency air compressor according to claim 1, characterized in that a cylinder pressure plate is installed above the cylinder, and two sets of air intake valves and air outlet valves are installed on the cylinder pressure plate; rubber is provided between the cylinder pressure plate and the cylinder. sealing ring. 6. An energy-saving and high-efficiency air compressor according to claim 5, wherein a cylinder head is arranged above the cylinder pressure plate, and the cylinder head is provided with inlet and outlet grooves corresponding to the suction valve and the outlet valve. 7. An energy-saving and high-efficiency air compressor according to claim 6, wherein a muffler is provided in the air intake slot. 8. An energy-saving and high-efficiency air compressor according to claim 1, wherein an air vent is opened on the side of the gear box. 9. An energy-saving and high-efficiency air compressor according to claim 1, wherein the cylinder is a cylindrical straight pipe. 10. An energy-saving and high-efficiency air compressor according to claim 6, wherein the air outlet valve is connected with an air delivery pipe.