CN2773350Y

CN2773350Y - Air compressor

Info

Publication number: CN2773350Y
Application number: CN 200520053944
Authority: CN
Inventors: 梁少明
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-25
Filing date: 2005-01-25
Publication date: 2006-04-19
Anticipated expiration: 2015-01-25

Abstract

The utility model relates to an air compressor which has the advantages of small volume and low cost. The air compressor comprises a compressor head, an electrical machine, an oil-air separation device, an air storage tank and an air conveying pipe. The utility model is characterized in that a housing of the compressor head is provided with a working chamber and an oil-air separation chamber which are connected together; a rotor and a stator are arranged in the working chamber; the oil-air separation device is arranged in the oil-air separation chamber; a communication path is arranged between the working chamber and the oil-air separation chamber, and the compressed air sprayed by a stator nozzle passes through the communication path to enter the oil-air separation chamber.

Description

Air compressor

Technical field

The utility model relates to a kind of air compressor, particularly a kind of compact structure, the air compressor that volume is little.

Background technique

Existing blade type air compressor, it comprises head, motor, gas and oil separating plant, gas holder and pneumatic tube, be provided with stator and rotor in the head, the driven by motor rotor rotates in the stator of off-centre, epitrochanterian blade is close to the inwall rotation of stator and is produced pressurized air under action of centrifugal force, pressurized air is stored in the gas holder after the gas and oil separating plant oil removing.The head of existing this air compressor separates setting with gas and oil separating plant, and has different shells, and its shortcoming is that volume is big, the cost height; Disclosing a kind of " blade type air compressor " on September 27th, 2000 among the disclosed Chinese patent bulletin CN2398448Y, is comparatively typical at present air compressor.

Summary of the invention

The purpose of this utility model is the problem that volume is big, cost is high that exists in the existing air compressor in order to solve, and the air compressor that a kind of volume is little, cost is low is provided.

Technological scheme:

The purpose of this utility model is achieved in that a kind of air compressor, comprise head, motor, gas and oil separating plant, gas holder and pneumatic tube, it is characterized in that described handpiece case is provided with the active chamber and the Oil-gas Separation chamber of disjunctor, rotor and stator are arranged in the active chamber, gas and oil separating plant is arranged in the Oil-gas Separation chamber, be provided with communication passage between active chamber and the Oil-gas Separation chamber, enter the Oil-gas Separation chamber through the pressurized air of stator nozzles ejection this passage of flowing through.Owing on the handpiece case active chamber and Oil-gas Separation chamber are set directly, make the shared shell in active chamber and Oil-gas Separation chamber, so the head volume is little, provide cost savings.

Described air compressor is characterized in that described active chamber is positioned at the handpiece case bottom, the Oil-gas Separation chamber is positioned at handpiece case top.

Described air compressor, it is characterized in that the described stator nozzles outside is provided with the baffle plate of inclination, at a distance of certain distance, the baffle plate downside is the oil back region between baffle plate and the nozzle, the oil back region communicates with the oil suction district, is provided with vent plug between the air-breathing district of oil suction district and stator intakeport.Air-breathing district communicates with atmosphere, and pressure is arranged in the oil suction district, from oil suction district sucks lubricant oil through vent plug at the stator intakeport in air-breathing district breathing process rotor is lubricated, and lubricant oil can be circulated in head.

Described air compressor is characterized in that described vent plug both sides are respectively equipped with silencing apparatus.

Beneficial effect:

Owing to adopted technological scheme described in the utility model, in handpiece case, be provided with active chamber and Oil-gas Separation chamber simultaneously, the head volume is little, cost is low; And the active chamber of interior setting, rotor down, the Oil-gas Separation chamber is last, the head center of gravity is low, compressor operating is stable.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the side view of an embodiment's of air compressor described in the utility model head section.

Fig. 2 be Fig. 1 along A---the sectional view of A line.

Fig. 3 be Fig. 1 along B---the partial sectional view of B line.

Fig. 4 be Fig. 1 along C---the partial sectional view of C line.

Fig. 5 be Fig. 2 along D---the partial sectional view of D line.

Among the figure 01,02, installation foot, 199, gas port, 90, oil duct, 91, filter core, 92, magnetic patch, 93, filter screen, 911, filter opening, 900, hydraulic fluid port, 9, magnetic filter, 94, locking nut, 530, fueling cavity, 53, nut; 61, stator, 101, active chamber, 2, inner end cap, 21, valve block, 22, valve port, 3, pedestal, 33, silencing apparatus, 301, seal ring, 31, vent plug, 52, the air-filtering core, 32, silencing apparatus, 5, guard shield, 401, drainback passage, 51, bolt, 30, air-breathing district, 40, the oil suction district, 402, drainback passage, 4, cover plate, 86, regulate bolt, 85, spring, 81, valve seat, 84, seal ring, 82, spool, 83, rubber cushion, 8, control valve, 80, valve port, 102, the Oil-gas Separation chamber, 7, remove wick, 19, the technology screw, 10, the oil back region, 1011, baffle plate, 012, passage, 611, nozzle, 1, housing, 62, rotor, 621, the compressing area; 811, guide holder, 400, air flue, 800, air cavity, 89, the technology screw; 100, drainback passage, 49, the technology screw.

Embodiment:

Fig. 1 is an embodiment's of the air compressor described in the utility model side view of head.As can be seen from Fig. 1, the head lower right is provided with fueling cavity 530 and magnetic filter 9, the lubricant oil that comes out from oil duct 90 flows out through the filter opening 911 of filter core 91 and filters the back through filter screen 93 again and flow to cooling system by hydraulic fluid port 900, wherein is provided with the iron filings in the lubricant oil that magnetic patch 92 adsorbs the filter opening 911 of flowing through in filter opening 911 both sides.It is existing magnetic filter technology.Among Fig. 1 01, the 02nd, installation foot.

Fig. 2 be Fig. 1 along A---the sectional view of A line.Fig. 2 has shown the internal structure of head basically, handpiece case 1 is provided with active chamber 101 and Oil-gas Separation chamber 102, rotor 62 and stator 61 are arranged in the active chamber 101, rotor 62 left ends stretch out the bottom in shell active chamber 101 left sides and link with motor (not drawing among the figure), right-hand member is installed in the inner end cap 2, constitute air-breathing district 30 between the pedestal 3 on inner end cap 2 and right side, air-breathing district 30 is through air-filtering core 52 communicate with atmosphere (seeing partial sectional view shown in Figure 4), inner end cap 2 right-hand members are provided with the nut of band valve port 22, formation is entered by air-breathing district 30 and decides between valve port 22 and the valve block 21, the one-way valve of the compressing area 621 of rotor, valve port 22 is the stator intakeport, be provided with seal ring 301 between pedestal 3 and the active chamber 101, cover plate 4 is with the port closed in active chamber 101 and Oil-gas Separation chamber 102, surround oil suction district 40 between cover plate 4 and the pedestal 3, oil suction district 40 is through

drainback passage

402 and 100 communicate with oil back region 10 (seeing partial sectional view shown in Figure 5), pedestal 3 is provided with vent plug 31, vent plug 31 both sides are respectively equipped with

silencing apparatus

32 and 33, be communicated with by drainback passage 401 and vent plug 31 between oil suction district 40 and the air-breathing district 30, be provided with the baffle plate 1011 of inclination in stator nozzles 611 outsides on active chamber top, the baffle plate downside is oil back region 10, the effect of baffle plate 1011 is to make the gas mixture through nozzle 611 ejections spray to baffle plate, oil gas is carried out the first step separate; The wick 7 that removes as gas and oil separating plant is arranged in the Oil-gas Separation chamber 102, is provided with communication passage 012 between active chamber and the Oil-gas Separation chamber, and 102 right sides, Oil-gas Separation chamber are leaving air control valves 8, referring to Fig. 3.

The control valve of Fig. 3 shown in being, it mainly is the one-way valve that the interior pressurized air of control head flows to gas holder, it is made of valve seat 81, guide holder 811, spool 82, rubber cushion 83, adjusting bolt 86 and spring 85, guide holder 811 is threaded with valve seat 81, be provided with seal ring between valve seat and the guide holder, also be provided with seal ring 84 between guide holder and the spool.The adjusting bolt of regulating among Fig. 3 86 is the pressure that 85 pairs of adjustable springs are installed in the 83 pairs of valves 80 of rubber cushion on the spool 82, to regulate Oil-gas Separation chamber 102 enters air cavity 800 through valve port 80 air pressure.

Its working principle is as follows: when the rotor among Fig. 2 62 rotates, air enters air-breathing district 30 (see figure 4)s through the gap between guard shield 5 and the cover plate 4 and gas 199 (see figure 1)s on the guard shield 5 air-filtering core 52 of flowing through, air in the air-breathing district 30 is inhaled into compressing area 621 after the blade compresses on the rotor 62, spray to baffle plate 1011 through nozzle 611 then, part lubricant oil falls into oil back region 10, the gap of pressurized air between baffle plate 1011 right-hand members and pedestal 3 and shell 1 flows to passage 012, enter again except that entering Oil-gas Separation chamber 102 after wick 7 oil removings, oil through removing after wick 7 separates is back to oil back region 10 after drainback passage 100 and 402 (see figure 5)s enter oil suction district 40, drainback passage 401, silencing apparatus 32, vent plug 31, silencing apparatus 33, air-breathing district 30, valve 22 enters the 621 pairs of rotors in compressing area once more and stator is lubricated, and the pressurized air in the Oil-gas Separation chamber 102 enters air cavity 800 through the valve 80 of control valve 8, air flue 400 (see figure 3)s, air flue 400 is arranged in the cover plate 4, and the pressurized air that flows out through air flue 400 directly enters the gas holder storage.

Claims

1, a kind of air compressor, comprise head, motor, gas and oil separating plant, gas holder and pneumatic tube, it is characterized in that described handpiece case is provided with the active chamber and the Oil-gas Separation chamber of disjunctor, rotor and stator are arranged in the active chamber, gas and oil separating plant is arranged in the Oil-gas Separation chamber, be provided with communication passage between active chamber and the Oil-gas Separation chamber, enter the Oil-gas Separation chamber through the pressurized air of stator nozzles ejection this passage of flowing through.

2,, it is characterized in that described active chamber is positioned at the handpiece case bottom, the Oil-gas Separation chamber is positioned at handpiece case top according to the described air compressor of claim 1.

3, according to the described air compressor of claim 1, it is characterized in that the described stator nozzles outside is provided with the baffle plate of inclination, at a distance of certain distance, the baffle plate downside is the oil back region between baffle plate and the nozzle, the oil back region communicates with the oil suction district, is provided with vent plug between the air-breathing district of oil suction district and stator intakeport.

4,, it is characterized in that described vent plug both sides are respectively equipped with silencing apparatus according to the described air compressor of claim 3.