CN206592293U - Compressor pump component and the compressor with it - Google Patents

Abstract

The utility model discloses a kind of compressor pump component and the compressor with it, the compressor pump component includes：Cylinder, piston, bent axle, base bearing, supplementary bearing and thrust plate；Wherein, the cylinder has cavity, the piston is movably located in the cavity, the eccentric segment of the bent axle is connected with the piston, the base bearing and the supplementary bearing are separately mounted to the two ends of the cylinder to support the bent axle, and the thrust plate is located at one end of the remote cylinder of the supplementary bearing, and the end face of the bent axle is thrust surface, the thrust surface only supports the thrust plate, and meets：D2 ＜ D1, wherein D2 are the diameter of the thrust surface, and D1 is the diameter of the supplementary bearing section of the bent axle.The compressor pump component of the utility model embodiment, by setting the small thrust surface of contact area to reduce the frictional work between thrust surface and thrust plate, improves the efficiency of compressor.

Description

Compressor pump component and the compressor with it

Technical field

The utility model belongs to compressor manufacturing technical field, in particular to a kind of compressor pump component and tool There is its compressor.

Background technology

The bent axle and rotor of compressor by various downward power such as gravity, downward electromagnet pulls due to being acted on, most On the lower thrust surface that bent axle can be acted on eventually.In correlation technique, bent axle is broadly divided into two kinds of shaft shoulder thrust and shaft end thrust, for For the compressor of shaft shoulder thrust, lower thrust surface designs to be eccentric, stress point biasing, and the radius of turn of thrust surface is larger, from And cause frictional work larger, influence compressor efficiency；For the compressor of shaft end thrust, although do not stop thrust eccentric Problem, but the equivalent radius of turn of thrust surface is still larger, can also cause the increase of frictional work, influences the efficiency of compressor, There is room for improvement.

Utility model content

The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model is carried Go out one kind, it is described

According to the compressor pump component of the utility model embodiment, including：Cylinder, piston, bent axle, base bearing, countershaft Hold and thrust plate；Wherein, the cylinder has cavity, and the piston is movably located in the cavity, the bent axle it is inclined Heart section is connected with the piston, and the base bearing and the supplementary bearing are separately mounted to the two ends of the cylinder to support the song Axle, the thrust plate is located at one end of the remote cylinder of the supplementary bearing, and the end face of the bent axle is thrust surface, described to stop Pushing surface only supports the thrust plate, and meets：D2 ＜ D1, wherein D2 are the diameter of the thrust surface, and D1 is the countershaft of the bent axle Hold the diameter of section.

According to the compressor pump component of the utility model embodiment, by setting the small thrust surface of contact area to subtract Frictional work between small thrust surface and thrust plate, improves the efficiency of compressor.

According to the compressor pump component of the utility model one embodiment, meet：0.1mm≤D2≤0.5D1.

According to the compressor pump component of the utility model one embodiment, the centre of gyration line of the bent axle passes through described Thrust surface contact with thrust plate center.

According to the compressor pump component of the utility model one embodiment, the thrust surface and the end of supplementary bearing section Taper surface is formed between face.

According to the compressor pump component of the utility model one embodiment, the thrust surface and the end of supplementary bearing section Face is formed as two end faces of many terrace with edges.

The utility model also proposed a kind of compressor, with any described compressor pump component as described above.

It is described to be had the advantage that relative to prior art identical with above-mentioned, it will not be repeated here.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein：

Fig. 1 is the structural representation of the compressor pump component according to the utility model embodiment；

Fig. 2 and Fig. 3 are the structural representations of the bent axle according to the utility model embodiment.

Reference：

Compressor pump component 100,

Bent axle 1, base bearing section 1a, eccentric segment 1b, supplementary bearing section 1c, thrust surface 1d, base bearing 2, slide plate 3, piston 4, gas Cylinder 5, supplementary bearing 6, thrust plate 7.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

The compressor pump component 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 3.

As shown in Figure 1-Figure 3, cylinder 5 is included according to the compressor pump component 100 of the utility model one embodiment, lived Plug 4, bent axle 1, base bearing 2, supplementary bearing 6, thrust plate 7 and slide plate 3.

Wherein, cylinder 5 has cavity, and piston 4 is movably located in cavity, and the eccentric segment 1b of bent axle 1 is connected with piston 4 To drive piston 4 to be rotated in cylinder 5 along the internal perisporium of cavity.

Base bearing 2 and supplementary bearing 6 are separately mounted to the two ends of cylinder 5 to support bent axle 1, and base bearing 2 may be mounted at gas The upper end of cylinder 5, supplementary bearing 6 may be mounted at the lower end of cylinder 5, with reference to Fig. 1, and base bearing 2 and supplementary bearing 6 can pass through screw thread Fastener is fixedly connected with cylinder 5.

Bent axle 1 includes base bearing section 1a, the eccentric segment 1b being sequentially connected and supplementary bearing section 1c, and base bearing section 1a is supported on master In bearing 2, supplementary bearing section 1c is supported in supplementary bearing 6, and base bearing section 1a and supplementary bearing section 1c are concentric, eccentric segment 1b and piston 4 elastic conjunctions, the end face of bent axle 1 is thrust surface 1d, and thrust surface 1d is the lower surface of bent axle 1, positioned at the remote main shaft of bent axle 1 Hold section 1a one end.

Thrust plate 7 is located at one end of the remote cylinder 5 of supplementary bearing 6, and thrust surface 1d only supports thrust plate 7, and thrust surface 1d is with stopping The end face towards supplementary bearing 6 of push jack 7 is fitted, and is met：D2 ＜ D1, wherein D2 are thrust surface 1d diameter, and D1 is bent axle 1 Supplementary bearing section 1c diameter.

According to the compressor pump component 100 of the utility model embodiment, by setting the small thrust surface 1d of contact area The frictional work between thrust surface 1d and thrust plate 7 can be reduced, the efficiency of compressor is improved.

According to the compressor pump component 100 of one preferred embodiment of the utility model, the centre of gyration line of bent axle 1 passes through Thrust surface 1d contacts with thrust plate 7 center, the centre of gyration line of bent axle 1 is base bearing section 1a and supplementary bearing section 1c axle The heart, such thrust surface 1d stress point is without biasing, and the rotation of bent axle 1 is more stable.

As shown in Fig. 2 could be formed with taper surface, i.e. supplementary bearing section 1c between supplementary bearing section 1c end face and thrust surface 1d End face and thrust surface 1d between be formed with round platform, the axis of round platform can be overlapped with the centre of gyration line of bent axle 1, such bent axle 1 processing technology is simple, and centering is good.

Certainly, the shape between supplementary bearing section 1c end face and thrust surface 1d is not limited to taper surface, can also be multiple flat Face, such as, supplementary bearing section 1c end face can be formed as two end faces of many terrace with edges with thrust surface 1d.

According to the compressor pump component 100 of one preferred embodiment of the utility model, thrust surface 1d diameter D2 and pair Bearing section 1c diameter D1 can be met：0.1mm≤D2≤0.5D1, inventor has found that D2 is not less than by substantial amounts of experiment During 0.1mm, you can realize effective support, and when D2 is not more than D1 half, frictional work between thrust surface 1d and thrust plate 7 Can significantly it reduce.So, the contact area between thrust surface 1d and thrust plate 7 is small, and thrust surface 1d support strength and branch Support stability enough.

The invention also discloses a kind of compressor.

As shown in Figure 1-Figure 3, the compressor of the utility model embodiment has the compressor pump of any of the above-described kind of embodiment Body component 100, compressor pump component 100 may be mounted in the housing of compressor.

According to the compressor of the utility model embodiment, rub effect, and efficiency is high.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or Person's feature can in an appropriate manner be combined in any one or more embodiments or example.

While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that： These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced And modification, scope of the present utility model limits by claim and its equivalent.

Claims (6)

1. a kind of compressor pump component, it is characterised in that including：Cylinder, piston, bent axle, base bearing, supplementary bearing and thrust Piece；

Wherein, the cylinder has cavity, and the piston is movably located in the cavity, the eccentric segment of the bent axle and institute State piston to be connected, the base bearing and the supplementary bearing are separately mounted to the two ends of the cylinder to support the bent axle, described Thrust plate is located at one end of the remote cylinder of the supplementary bearing, and the end face of the bent axle is thrust surface, and the thrust surface stops To the thrust plate, and meet：D2 ＜ D1, wherein D2 are the diameter of the thrust surface, and D1 is the supplementary bearing section of the bent axle Diameter.

2. compressor pump component according to claim 1, it is characterised in that meet：0.1mm≤D2≤0.5D1.

3. compressor pump component according to claim 1, it is characterised in that the centre of gyration line of the bent axle passes through institute State thrust surface contact with thrust plate center.

4. compressor pump component according to claim 1, it is characterised in that the thrust surface and supplementary bearing section Taper surface is formed between end face.

5. compressor pump component according to claim 1, it is characterised in that the thrust surface and supplementary bearing section End face is formed as two end faces of many terrace with edges.

6. a kind of compressor, it is characterised in that with the compressor pump component as any one of claim 1-5.