CN206092414U - Rotary compressor pumping - Google Patents

Abstract

The utility model discloses a rotary compressor pumping, including upper bracket, cylinder body, undersetting, eccentric shaft, bearing and amortization cover, be provided with the ring in the cylinder body, the eccentric shaft divide into major axis, cam and minor axis triplex, and major axis, cam and minor axis structure as an organic whole, the minor axis is located the lower extreme of cam, and the major axis is located the upper end of cam, the cam lies in cylinder body and outer nested in the ring, upper and lower both sides and upper bracket cover that upper bracket and undersetting lie in the cylinder body respectively upper and lower seat cover of major axis at the minor axis, upper bracket and undersetting are all through screw and cylinder body fixed connection, the amortization is covered to fix and is covered on the periphery of upper bracket, the bearing setting is in the neck and the clearance between the major axis of upper bracket. Through increasing embedded low coefficient of friction bearing at the support neck to reduce eccentric shaft and the fricative consumption of support, reduce the clearance between eccentric shaft and the support neck simultaneously and then reduce the beat of eccentric shaft horizontal direction for the rotary compressor vibration improves.

Description

A kind of Rotary Compressor pumping

Technical field

This utility model belongs to Compressor Technology field, and in particular to a kind of Rotary Compressor pumping.

Background technology

Compressor is a kind of machinery by gas compression lift gas pressure, by the electromotor of such as motor, turbine etc To its supply electric power, and the working fluid of such as air, cold-producing medium etc is compressed makees work, to improve working fluid pressure Mechanism, this compressor the household electrical appliance from such as air-conditioner, electric refrigerator or the like to factory it is various application in extensively make With according to the difference of its compress mode, reciprocating, swinging, scroll-type, spiral, centrifugal, axial-flow type etc. can be divided into.

In traditional Rotary Compressor, as shown in figure 1, compressor pumping include upper bracket 1, cylinder body 2, undersetting 3, Eccentric shaft 4 and silencer cover 5；Wherein ring 6 is provided with cylinder body 2；And 4 points of eccentric shaft is major axis 41, cam 42 and short axle 43 3 Divide, and major axis 41, cam 42 and short axle 43 are structure as a whole, specifically, short axle 43 is located at the lower end of cam 42, major axis 41 In the upper end of cam 32；During installation, cam 32 is located in cylinder body 2 and is nested with outward ring 6, and upper bracket 1 and undersetting 3 are located at respectively Upper and lower both sides of cylinder body 2 and upper bracket 1 is enclosed within 41 upper and lower bearing 3 of major axis and is enclosed within short axle 43, and upper bracket 1 and undersetting 3 It is fixedly connected with cylinder body 2 by screw, the fixation of silencer cover 5 covers on the outer of upper bracket 1 and places.

In above-mentioned traditional Rotary Compressor, when pumping operates, axle can wasted work with the friction of bearing cervical region；In addition, Because to there is gap between eccentric structure and bearing cervical region and axle in axle, the beat in axle meeting occurred level direction when pumping operates, Affect the body vibration of compressor.Therefore, how to reduce the power consumption of axle and the friction of bearing cervical region and reduce axle horizontal direction Beat is the problem of a urgent need to resolve.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of Rotary Compressor pumping.

For achieving the above object, this utility model adopts following technical proposals：

A kind of Rotary Compressor pumping, including upper bracket, cylinder body, undersetting, eccentric shaft, bearing and silencer cover；It is described Ring is provided with cylinder body；The eccentric shaft is divided into major axis, three part of cam and short axle, wherein the major axis, cam and short axle It is structure as a whole；And the short axle is located at the lower end of cam, the major axis is located at the upper end of cam；The cam is located in cylinder body And ring is nested in outward, the upper bracket and undersetting are respectively positioned at the upper and lower both sides of cylinder body, and the upper bracket is enclosed within major axis The upper, undersetting is enclosed within short axle, and the upper bracket and undersetting are fixedly connected with cylinder body by screw, the noise reduction Cover fixation covers on the outer of upper bracket and places, and the bearing is arranged in the gap between the cervical region of upper bracket and major axis.

Preferably, the bearing is arranged in the gap between the cervical region of undersetting and short axle.

Preferably, loop configuration of the bearing for slotting in middle, cervical region internal diameter of its external diameter slightly larger than upper bracket；It is described Cervical region internal diameter of its external diameter less than upper bracket when the place of cracking of bearing closes.

Preferably, loop configuration of the bearing for slotting in middle, cervical region internal diameter of its external diameter slightly larger than undersetting；It is described Cervical region internal diameter of its external diameter less than undersetting when the place of cracking of bearing closes.

Preferably, the Selection of Bearings DTS10 bearings.

The beneficial effects of the utility model are, by increasing Embedded bearing (DTS10) in bearing cervical region, on the one hand sharp The power consumption of eccentric shaft and bearing friction is reduced with the low-friction coefficient of bearing (DTS10)；On the other hand eccentric shaft and bearing are reduced Gap between cervical region, so as to reduce the beat of eccentric shaft horizontal direction, and then improves Rotary Compressor vibration.

Description of the drawings

Fig. 1 is the entirety sectional view of traditional Rotary Compressor pumping；

Fig. 2 is the structural representation of this utility model bearing；

Fig. 3 is the scheme of installation of this utility model Rotary Compressor pumping middle (center) bearing.

Wherein：1. upper bracket, 2. cylinder body, 3. undersetting, 4. eccentric shaft, 41. major axis, 42. cams, 43. short axles, 5. noise reduction Cover, 6. ring, 7. bearing.

Specific embodiment

With reference to the accompanying drawings and examples this utility model is further illustrated.

This utility model Rotary Compressor pumping is improved in the structure of traditional Rotary Compressor pumping, because This this utility model continues to use the structure and corresponding feature and drawing reference numeral of traditional Rotary Compressor pumping, and new work is improved The other labelling of architectural feature.

As Figure 1-3, a kind of Rotary Compressor pumping, including upper bracket 1, cylinder body 2, undersetting 3, eccentric shaft 4, axle Hold 7 and silencer cover 5；Wherein ring 6 is provided with cylinder body 2；And 4 points of eccentric shaft is major axis 41,43 3 part of cam 42 and short axle, and Major axis 41, cam 42 and short axle 43 are structure as a whole；Specifically, short axle 43 is located at the lower end of cam 42, and major axis 41 is located at convex The upper end of wheel 42；During installation, cam 42 is located in cylinder body 2 and is nested with outward ring 6, and upper bracket 1 and undersetting 3 are located at cylinder body respectively 2 upper and lower both sides and upper bracket 1 is enclosed within 41 upper and lower bearing 3 of major axis and is enclosed within short axle 43, and upper bracket 1 and undersetting 3 lead to Cross screw to be fixedly connected with cylinder body 2, the fixation of silencer cover 5 covers on the outer of upper bracket 1 and places, and bearing 7 is arranged on the cervical region of upper bracket 1 In the gap between major axis 41, it may also be said to which bearing 7 is enclosed within major axis 41, and arrange positioned at 1 cervical region of upper bracket.

Preferably, loop configuration of the bearing 7 for slotting in middle, cervical region internal diameter of its external diameter slightly larger than upper bracket 1, during installation Place's closure of cracking of bearing 7, the external diameter of the bearing 7 after closure is first made to be less than the cervical region internal diameter of upper bracket 1, Ran Houzai using external force Bearing 7 is filled in into the cervical region of upper bracket 1；Bearing 7 blocks as external force disappearance is further recovered and expanded into after the cervical region of upper bracket 1 In the cervical region of upper bracket 1, i.e., bearing 7 completes closely to agree with upper bracket 1.

Similarly, the assembling mode of bearing 7 and undersetting 3 is also adopted by the assembling side of agreeing with of above-mentioned bearing 7 and upper bracket 1 Formula, here is omitted.

Preferably, bearing 7 selects DTS10 bearings, and which has low-friction coefficient.

The Rotary Compressor pumping that this utility model is provided, by increasing Embedded bearing, a side in bearing cervical region Face reduces the power consumption of eccentric shaft and bearing friction using the low-friction coefficient of bearing (DTS10)；On the other hand reduce eccentric shaft with Gap between bearing cervical region, so as to reduce the beat of eccentric shaft horizontal direction, and then improves Rotary Compressor vibration.

It is although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Various modifications or deform still in protection model of the present utility model that field technique personnel are made by need not paying creative work Within enclosing.

Claims (5)

1. a kind of Rotary Compressor pumping, is characterized in that, including upper bracket, cylinder body, undersetting, eccentric shaft, bearing and noise reduction Cover；Ring is provided with the cylinder body；The eccentric shaft is divided into major axis, three part of cam and short axle, wherein the major axis, cam with And short axle is structure as a whole；And the short axle is located at the lower end of cam, the major axis is located at the upper end of cam；The cam is located at Ring is nested in cylinder body and outward, the upper bracket and undersetting are enclosed within positioned at the upper and lower both sides of cylinder body, and the upper bracket respectively On major axis, the undersetting be enclosed within short axle, and the upper bracket and undersetting are fixedly connected with cylinder body by screw, described Silencer cover fixation covers on the outer of upper bracket and places, and the bearing is arranged in the gap between the cervical region of upper bracket and major axis.

2. Rotary Compressor pumping as claimed in claim 1, is characterized in that, the bearing be arranged on the cervical region of undersetting with it is short In gap between axle.

3. Rotary Compressor pumping as claimed in claim 1 or 2, is characterized in that, annular of the bearing for slotting in middle Structure, cervical region internal diameter of its external diameter slightly larger than upper bracket；Neck of its external diameter less than upper bracket when the place of cracking of the bearing closes Portion's internal diameter.

4. Rotary Compressor pumping as claimed in claim 2, is characterized in that, ring junction of the bearing for slotting in middle Structure, cervical region internal diameter of its external diameter slightly larger than undersetting；Cervical region of its external diameter less than undersetting when the place of cracking of the bearing closes Internal diameter.

5. Rotary Compressor pumping as claimed in claim 1, is characterized in that, the Selection of Bearings DTS10 bearings.