CN202545258U - Structure of cylinder for rotary compressor - Google Patents
Structure of cylinder for rotary compressor Download PDFInfo
- Publication number
- CN202545258U CN202545258U CN2012201065565U CN201220106556U CN202545258U CN 202545258 U CN202545258 U CN 202545258U CN 2012201065565 U CN2012201065565 U CN 2012201065565U CN 201220106556 U CN201220106556 U CN 201220106556U CN 202545258 U CN202545258 U CN 202545258U
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- cylinder
- blade groove
- rotary compressor
- blade
- guiding hole
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Abstract
The utility model discloses a structure of a cylinder for a rotary compressor. The structure comprises a cylinder wall formed by a ring and a fan-shaped body connected on the outer circle surface of the ring, wherein a blade groove axially penetrating through the cylinder wall is arranged on the inner circle surface of the ring; the blade groove is so deep that the blade groove reaches the upper middle part of the fan-shaped body; a spring hole is formed in the middle of the outer end face of the fan-shaped body; the axis of the spring hole is positioned on the center surface of the blade groove, and the spring hole is so deep that the spring hole reaches the lower middle part of the ring; an oil guide hole communicated with the spring hole is obliquely formed in the upper surface of the cylinder wall inwards; and the axis of the oil guide hole is positioned on the center surface of the blade groove. The structure has the following beneficial effect: the oil lubricating property of the blade groove is increased by improving the oil way structure of the blade groove of the cylinder, thus reducing the abnormal wear of the blade groove and the blade.
Description
Technical field
The utility model relates to the structure of a kind of rotary compressor with cylinder.
Background technique
Conventional rotary compressor (seeing Fig. 1 and Fig. 2) mainly is made up of parts such as housing 1, motor 2, cylinder 7, upper cylinder cover 3, piston 4, following cylinder cap 5 and bent axles 8, and wherein, upper cylinder cover 3, cylinder 7 and following cylinder cap 5 constitute cylinder chambers 71.The inwall of cylinder chamber 50 is provided with blade groove 72, and the outer surface of cylinder is provided with the spring eye 73 that is communicated with blade groove 72.Piston 4 is made up of circular rolling piston and blade, and rolling piston is connected the bent axle lower end and is located in the cylinder chamber 71.Blade is arranged in the blade groove 72, and the outer end of blade is provided with the spring that is arranged in spring eye 73.Motor drives the internal face swing of rolling piston along cylinder chamber 71 through bent axle; Blade cooperates rolling piston reciprocating and swing in blade groove 72; Accomplish the work cycle that gas sucks, compresses and discharge; Under the effect of spring force, blade contacts with the intimate of rolling piston and forms motive sealing, and the crescent-shaped space between the inwall of rolling piston and cylinder chamber is divided into low pressure (air-breathing) chamber and high pressure (compression) chamber.
Present on partial rotation formula compressor, the phenomenon of blade inordinate wear has appearred owing to blade moves back and forth in the blade groove of cylinder.Be adhesive wear through investigation and analysis.The wearing and tearing that adhesive wear produces when being a kind of slide relative.Wear debris is small granular usually; Be attached on another body surface from a body surface; In the friction process that continues, surface layer ruptures then, also takes place counter sticking sometimes; Promptly be attached to another lip-deep material and get back to again on the original surface, this sticking often makes material split away off with free abrasive dust shape counter sticking.
Adhesive wear is often relevant with the lubricating status between the material of portion's article and the portion's article.If solve adhesive wear, can increase the cost of whole compressor, and effect is also not fully up to expectations through improving material.
In view of the above problems, need design a kind of new structure that can solve adhesive wear.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of existing technology, the structure of a kind of rotary compressor with cylinder to be provided, and it increases the oil lubrication property of blade groove through the oil channel structures that improves the cylinder blade groove, thereby reduces the inordinate wear of blade groove and blade.
The technological scheme that realizes above-mentioned purpose is: a kind of rotary compressor is with the structure of cylinder; Comprise by annulus and be connected the quadrant on the periphery of annulus and the cylinder wall that forms; Offer a degree of depth to the middle and upper part of said quadrant on the inner headed face of said annulus and axially run through the blade groove of said cylinder wall; Middle part, the exterior edge face of said quadrant is offered on the median plane that an axis is positioned at said blade groove and the spring eye of the middle and lower part of the degree of depth to said annulus, lean-inly on the upper surface of said cylinder wall tiltedly offers on the median plane that an axis is positioned at said blade groove and the oil guiding hole that is communicated with said spring eye.
Above-mentioned rotary compressor is with the structure of cylinder, and wherein, said oil guiding hole is opened in the upper surface of the said cylinder wall that the interior edge face of periphery and the said quadrant of said annulus intersects.
Above-mentioned rotary compressor is with the structure of cylinder, and wherein, the angle of the upper surface of said oil guiding hole and said cylinder wall is 45 °～90 °.
Above-mentioned rotary compressor is with the structure of cylinder, and wherein, the diameter of said oil guiding hole is φ 4～φ 10mm.
Above-mentioned rotary compressor is with the structure of cylinder, and wherein, the diameter of said oil guiding hole is φ 4～φ 10mm.
The rotary compressor of the utility model is with the technological scheme of the structure of cylinder; Be employed in and increase by an oblique oil guiding hole that is communicated with spring eye on the blade groove of cylinder; Can between oil guiding hole and spring eye, set up the oily loop structure of an intercommunication, make blade groove in compressor operating, can obtain enough oil lubrication effects, even when making the gap of blade and blade groove smaller; Also can guarantee has certain lubricant oil to be lubricated in the blade groove; Be unlikely to cause generation dry friction between blade and the blade groove and produce localized hyperthermia, the material on the cylinder forwards this situation on the blade to then, has effectively improved the inordinate wear of blade groove and blade.On the other hand,, just can cancel surface treatment, can reduce the manufacture cost of blade like this blade because oil guiding hole can increase oil lubrication property.
Description of drawings
Fig. 1 is the sectional drawing of the rotary compressor of routine;
Fig. 2 is the structural representation of the rotary compressor of existing technology with cylinder;
Fig. 3 is the structural representation of the rotary compressor of the utility model with cylinder;
Fig. 4 is the longitudinal sectional view of Fig. 3;
Fig. 5 is for before rotary compressor starts, and the inner lubricated pasta and the position of cylinder concern schematic representation;
When Fig. 6 turned round for rotary compressor, the inner lubricated pasta and the position of cylinder concerned schematic representation.
Embodiment
In order to understand the technological scheme of the utility model better, below through embodiment particularly and combine accompanying drawing at length to explain:
See also Fig. 3 and Fig. 4, the rotary compressor of the utility model is with the structure of cylinder, comprises by annulus 91 and one-body molded quadrant 92 and the cylinder wall 9 that forms on the periphery of annulus 91, wherein:
Offer the middle and upper part of a degree of depth to quadrant 92 on the inner headed face of annulus 91 and axially run through the blade groove 93 of cylinder wall 9;
Middle part, the exterior edge face of quadrant 92 is offered on the median plane that an axis is positioned at blade groove 93 and the spring eye 94 of the middle and lower part of the degree of depth to annulus 91;
Lean-inly on the upper surface of cylinder wall 9 tiltedly offer on the median plane that an axis is positioned at blade groove 93 and the oil guiding hole 95 that is communicated with spring eye 94.
In one embodiment, oil guiding hole 95 is opened in the upper surface of the cylinder wall 9 that the interior edge face of periphery and the quadrant 92 of annulus 91 intersects, and the angle of the upper surface of oil guiding hole and cylinder wall 9 is 45 °～90 °, and the diameter of oil guiding hole is φ 4～φ 10mm.
The rotary compressor of the utility model with the working principle of the structure of cylinder is: when compressor start; Inner pasta position is than higher (see figure 5); Because oil guiding hole 95 is communicated with spring eye 94, be exactly that script is still in the interior lubricant oil of spring eye 94 so offer the lubricant oil of blade groove 93 during compressor start.After compressor operation gets up; The liquid level of lubricant oil has and to a certain degree reduces (see figure 6); Lubricant oil in this moment spring eye 94 provide enough lubricant oil can not for blade groove 93 because the position reduces, and gutter down from the housing top of compressor but also to have a lot of scripts be the lubricant oil that gets on of pump oil sheet pump; Pass through oil guiding hole 95 then, so also can play good lubrication.
Compressor at work; Blade groove 93 more is easy to generate wearing and tearing at cylinder wall and upper cylinder cover position contacting; Therefore oil guiding hole 95 is the upper surfaces that are opened in cylinder wall, and because the gravity effect of lubricant oil self, the bottom that also can be brought to blade groove 93 is lubricated.And the oblique of oil guiding hole 95 offered with respect to straight hole, more can make lubricant oil on the oil guiding hole wall, pile up easily, is more conducive to fuel feeding, even when making the gap of blade and blade groove smaller, also can guarantee has certain lubricant oil to be lubricated in the blade groove,
The rotary compressor of the utility model is with the structure of cylinder; On the blade groove of cylinder, make a call to an inclined hole; Communicate with spring eye, can between oil guiding hole and spring eye, set up the oily loop structure of an intercommunication, blade is when to-and-fro motion; Nature can take the lubricant oil in the oil guiding hole in the space of blade groove to, increases its oil lubrication property.95 need of oil guiding hole reach with spring eye 94 and connect, and can shorten the length of perforate like this, reduce the requirement to processing technique.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model the above embodiment's variation, modification.
Claims (5)
1. a rotary compressor is with the structure of cylinder; Comprise by annulus and be connected the quadrant on the periphery of annulus and the cylinder wall that forms; Offer a degree of depth to the middle and upper part of said quadrant on the inner headed face of said annulus and axially run through the blade groove of said cylinder wall; Middle part, the exterior edge face of said quadrant is offered on the median plane that an axis is positioned at said blade groove and the spring eye of the middle and lower part of the degree of depth to said annulus; It is characterized in that, lean-inly on the upper surface of said cylinder wall tiltedly offer on the median plane that an axis is positioned at said blade groove and the oil guiding hole that is communicated with said spring eye.
2. rotary compressor according to claim 1 is characterized in that with the structure of cylinder, and said oil guiding hole is opened in the upper surface of the said cylinder wall that the interior edge face of periphery and the said quadrant of said annulus intersects.
3. rotary compressor according to claim 1 and 2 is characterized in that with the structure of cylinder the angle of the upper surface of said oil guiding hole and said cylinder wall is 45 °～90 °.
4. rotary compressor according to claim 1 and 2 is characterized in that with the structure of cylinder the diameter of said oil guiding hole is φ 4～φ 10mm.
5. rotary compressor according to claim 3 is characterized in that with the structure of cylinder the diameter of said oil guiding hole is φ 4～φ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201065565U CN202545258U (en) | 2012-03-20 | 2012-03-20 | Structure of cylinder for rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201065565U CN202545258U (en) | 2012-03-20 | 2012-03-20 | Structure of cylinder for rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545258U true CN202545258U (en) | 2012-11-21 |
Family
ID=47165901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201065565U Expired - Lifetime CN202545258U (en) | 2012-03-20 | 2012-03-20 | Structure of cylinder for rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088790A (en) * | 2014-06-27 | 2014-10-08 | 珠海凌达压缩机有限公司 | Cylinder structure and rotary compressor |
-
2012
- 2012-03-20 CN CN2012201065565U patent/CN202545258U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088790A (en) * | 2014-06-27 | 2014-10-08 | 珠海凌达压缩机有限公司 | Cylinder structure and rotary compressor |
| CN104088790B (en) * | 2014-06-27 | 2017-02-22 | 珠海格力电器股份有限公司 | Cylinder structure and rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201206 No. 1051, Yun Qiao Road, Jinqiao Export processing area, Pudong New Area, Shanghai Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 ningqiao Road, Jinqiao Export processing area, Pudong New Area, Shanghai 888 Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |