The sealing configuration of compressor
Technical field
The utility model relates to a kind of sealing configuration, relates in particular to a kind of sealing configuration of compressor.
Background technique
In air or other gas type compressors a kind of oil-free compressor is arranged; This oil-free compressor is in the process of compression; Between booster body and cylinder joining place, lubricant oil need be do not used, but between booster body and driver joining place, lubricant oil need be used again.Therefore, the periphery of booster body is because of establishing an oil-sealing sleeve by ring between the housing, with each other isolated cylinder and driver.
Yet; Though the periphery of booster body is established at least one oil-sealing sleeve because of encircling between the housing; To prevent that pressurized gas from releasing from pressing chamber; Or stop most lubricant oil to flow in the pressing chamber, but still have a spot of lubricant oil to flow in the pressing chamber and pollute pressurized gas via oil sealing via booster body.
The model utility content
One purpose of the utility model; Be to provide a kind of sealing configuration of compressor; It is to utilize sealing configuration to comprise first black box, second black box and axle envelope seat, to improve whole sealing effect, situation takes place simultaneously to leak; Can discharge via axle envelope seat, more strengthen the isolating function of each chamber.
In order to reach above-mentioned purpose, the utility model provides a kind of sealing configuration of compressor, and said compressor has a housing and is placed in a running shaft of said housing, and the sealing structure comprises:
One first black box, ring is established said running shaft;
One second black box, the ring establish said running shaft and with this first black box arranged spaced; And
An envelope seat is folded between said housing, this first black box and this second black box and is formed with a space, and this envelope seat is provided with a plurality of exhaust passages, and these a plurality of exhaust passages and this space are interconnected.
The sealing configuration of above-mentioned compressor; Wherein, This envelope seat is respectively equipped with one first locating slot and one second locating slot in the both sides of these a plurality of exhaust passages relatively; This first black box is sandwiched between between this envelope seat and the said running shaft via this first locating slot, and this second black box is sandwiched between between this envelope seat and the said running shaft via this second locating slot.
The sealing configuration of above-mentioned compressor, wherein, each this exhaust passage forms a V-arrangement recess in the end near said housing.
The sealing configuration of above-mentioned compressor, wherein, this envelope seat is a cirque body, and the angle end of these cirque body outer periphery is equipped with chamfering.
The sealing configuration of above-mentioned compressor wherein, also comprises a plurality of O type rings, and said housing is provided with a plurality of grooves, each this O type ring be located in said groove and be sandwiched between said housing and this envelope seat between.
The sealing configuration of above-mentioned compressor, wherein, this first black box is a mechanical shaft seal.
The sealing configuration of above-mentioned compressor; Wherein, this mechanical shaft seal comprises a fixed block, single-revolution spare and a spring, this fixed block and this first locating slot clip location; This revolving meber one side and the mutual butt of this fixed block, this spring is folded between said running shaft and this revolving meber.
The sealing configuration of above-mentioned compressor, wherein, this second black box is an oil sealing.
The sealing configuration of above-mentioned compressor wherein, also comprises a rotating component, and this oil sealing comprises lip envelope, the sheathed said running shaft of this rotating component, and this lip envelope and this second locating slot clip location also are sandwiched between between this rotating component and this envelope seat.
The sealing configuration of above-mentioned compressor, wherein, the surface that this lip envelope contacts with this rotating component is formed with a plurality of lips.
The utility model also has following effect:
The utility model sealing configuration is interposed between housing and the running shaft, and utilize first black box for mechanical shaft seal to prevent the leakage of air and moisture, utilize again second black box for oil sealing preventing oil leak, improve the integral sealing effect to reach.
In addition, axle envelope seat has the exhaust passage that is interconnected with span again, and when mechanical shaft seal damaged, aqueous vapor can be discharged via exhaust passage and space, got into oil-in chamber to avoid aqueous vapor; Or when oil sealing damaged, lubricant oil can be discharged via exhaust passage and space, got into compression chamber to avoid lubricant oil, and then the effect of enhanced leaktightness chamber.
Again, each O type ring be located in groove and be sandwiched between housing and axle envelope seat between, sealing configuration more closely is sandwiched between between housing and the running shaft, and improves the encapsulation of the utility model sealing configuration.
Moreover the angle end of axle envelope seat outer periphery is equipped with chamfering, makes assembling process axis envelope seat be difficult for compacting O type annular strain, to increase the assembling steadiness of the utility model sealing configuration.
In addition, when mechanical shaft seal damaged, aqueous vapor can drain into plasmas channel via exhaust passage and space; In like manner, when oil sealing damaged, lubricant oil can drain into plasmas channel via exhaust passage and space, and making the inspector can be aqueous vapor or lubricant oil through the liquid determination that plasmas channel is discharged, and then infers mechanical shaft seal or oil sealing damage, to do follow-up maintenance engineering.Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
The combination schematic representation of Fig. 1 the utility model compressor;
The schematic perspective view of Fig. 2 the utility model sealing configuration;
The combination schematic representation of Fig. 3 the utility model sealing configuration and running shaft;
The user mode schematic representation of Fig. 4 the utility model sealing configuration;
The partial enlarged drawing of Fig. 5 the utility model Fig. 4 A;
Another user mode schematic representation of Fig. 6 the utility model sealing configuration;
The another user mode schematic representation of Fig. 7 the utility model sealing configuration.
Wherein, reference character
100 ... Housing
101 ... Groove
102 ... Plasmas channel
200 ... Running shaft
1 ... First black box
2 ... Second black box
3 ... Axle envelope seat
31 ... The exhaust passage
311 ... The V-arrangement recess
32 ... First locating slot
33 ... Second locating slot
4 ... O type ring
5 ... Mechanical shaft seal
51 ... Fixed block
52 ... Revolving meber
53 ... Spring
6 ... Oil sealing
61 ... The lip envelope
611 ... Lip
7 ... Rotating component
S ... The space
Embodiment
Detailed description of relevant the utility model and technology contents, with the conjunction with figs. explanation as follows, yet appended accompanying drawing is not to be used to limit to the utility model only as illustrative purposes.
Please refer to Fig. 1 to shown in Figure 5; The utility model provides a kind of sealing configuration of compressor; Compressor has a housing 100 and is placed in a running shaft 200 of housing 100; And housing 100 is provided with a plurality of grooves 101 and a plurality of plasmas channel 102, and this sealing configuration mainly comprises one first black box 1, one second black box 2 and an envelope seat 3.
The common ring of first black box 1 and second black box 2 is established running shaft 200, and first black box 1 and first black box 1 are arranged spaced.
Axle envelope seat 3 is a cirque body, and the angle end of cirque body outer periphery is equipped with chamfering; Axle envelope seat 3 is folded between housing 100, first black box 1 and second black box 2 and is formed with a space s; Axle envelope seat 3 is provided with a plurality of exhaust passages 31; Each exhaust passage 31 is interconnected with space s, and each exhaust passage 31 forms a V-arrangement recess 311 in the end near housing 100; In addition; The both sides of these envelope seat 3 relative those exhaust passages 31 are respectively equipped with one first locating slot 32 and one second locating slot 33; First locating slot 32 and second locating slot 33 form a L shaped depression respectively; First black box 1 is sandwiched between between axle envelope seat 3 and the running shaft 200 via first locating slot 32, and second black box 2 is sandwiched between between axle envelope seat 3 and the running shaft 200 via second locating slot 33.
The utility model also comprises a plurality of O type rings 4, each O type ring 4 be located in groove 101 and be sandwiched between housing 100 and axle envelope seat 3 between.
Wherein, First black box 1 can be a mechanical shaft seal 5 (or an oil sealing 6); Second black box 2 can be an oil sealing 6 (or a mechanical shaft seal 5), and this mechanical shaft seal 5 comprises a fixed block 51, single-revolution spare 52 and a spring 53, fixed block 51 and first locating slot, 32 clips location; Revolving meber 52 1 sides and fixed block 51 mutual butts, spring 53 is folded between running shaft 200 and the revolving meber 52.
Again; The utility model also comprises a rotating component 7, and this oil sealing 6 comprises lip envelope 61, rotating component 7 sheathed running shafts 200; Lip envelope 61 and second locating slot 33 clips are located and are sandwiched between between rotating component 7 and the axle envelope seat 3, and the surface that lip envelope 61 contacts with rotating component 7 is formed with a plurality of lips 611.
The combination of the sealing configuration of the utility model compressor, it is to utilize first black box, 1 ring to establish running shaft 200; Second black box 2 ring establish running shaft 200 and with first black box, 1 arranged spaced; Axle envelope seat 3 is folded between housing 100, first black box 1 and second black box 2 and is formed with a space s, and axle envelope seat 3 is provided with a plurality of exhaust passages 31, and each exhaust passage 31 is interconnected with space s.By this, oil-free compressor is formed with in running shaft 200 1 sides and fills the compression chamber that establishes air and moisture, is formed with in running shaft 200 1 sides and fills the oil-in chamber of establishing lubricant oil; Therefore; The utility model sealing configuration is interposed between housing 100 and the running shaft 200; And utilize first black box 1 for mechanical shaft seal 5 to prevent the leakage of air and moisture, utilize again second black box 2 for oil sealing 6 to prevent oil leak, improve the integral sealing effect to reach.In addition, axle envelope seat 3 has the exhaust passage 31 that is interconnected with space s again, and when mechanical shaft seal 5 damaged, aqueous vapor can be discharged via exhaust passage 31 and space s, got into oil-in chamber to avoid aqueous vapor; Or when oil sealing 6 damaged, lubricant oil can be discharged via exhaust passage 31 and space s, got into compression chamber to avoid lubricant oil, and then the effect of enhanced leaktightness chamber.Again, each O type ring 4 be located in groove 101 and be sandwiched between housing 100 and axle envelope seat 3 between, sealing configuration more closely is sandwiched between between housing 100 and the running shaft 200, and improves the encapsulation of the utility model sealing configuration.Moreover the angle end of axle envelope seat 3 outer periphery is equipped with chamfering, makes assembling process axis envelope seat 3 be difficult for 4 distortion of compacting O type ring, to increase the assembling steadiness of the utility model sealing configuration.
Please refer to Fig. 6 to shown in Figure 7, when mechanical shaft seal 5 damaged, aqueous vapor can drain into plasmas channel 200 via exhaust passage 31 and space s; In like manner; When oil sealing 6 damaged, lubricant oil can drain into plasmas channel 200 via exhaust passage 31 and space s, and making the inspector can be aqueous vapor or lubricant oil through the liquid determination that plasmas channel 200 is discharged; And then infer mechanical shaft seal 5 or oil sealing 6 damages, to do follow-up maintenance engineering.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.