CN202789398U - Rack component of compressor - Google Patents
Rack component of compressor Download PDFInfo
- Publication number
- CN202789398U CN202789398U CN 201220394112 CN201220394112U CN202789398U CN 202789398 U CN202789398 U CN 202789398U CN 201220394112 CN201220394112 CN 201220394112 CN 201220394112 U CN201220394112 U CN 201220394112U CN 202789398 U CN202789398 U CN 202789398U
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- Prior art keywords
- cylinder
- air cylinder
- housing assembly
- piston
- connecting rod
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Abstract
The utility model relates to a rack component of a compressor. The rack component of the compressor comprises an air cylinder and a rack, wherein an air cylinder inserting hole is arranged in the rack, a U-shaped groove is arranged on the first end portion of the air cylinder inserting hole, and the air cylinder is arranged in the air cylinder inserting hole. Negative influences, for example, deformation of the air cylinder is caused by arranging of the U-shaped groove on the air cylinder, are avoided, machining deformation of the cylinder is reduced, precision of the air cylinder is improved, sealing distance of the air cylinder is increased, sealing effect is improved, generality is strong, and a model is convenient to expand. After the air cylinder is split, a shape and quality of the air cylinder is small, so that the rack component of the compressor is beneficial to machining in a massive mode, improves machining efficiency, reduces machining cost and improves production efficiency due to the fact that a piston which is arranged in the air cylinder can be easily assembled on a bent shaft through a connection rod.
Description
Technical field
The utility model relates to compressor field, particularly relates to a kind of housing assembly of compressor.
Background technique
In conventional compact bent axle-connecting rod compressor, in order to satisfy the requirement of type miniaturization, what the frame of compressor and cylinder adopted is integrated formed structure, and the end face of close bent axle one end of cylinder and the distance between the bent axle need to be designed to the distance less than connecting rod.Therefore, be connected respectively to piston in bent axle and the cylinder in order connecting rod to be installed two ends, usually will open U-groove bevel near the top of an end of bent axle at cylinder, in order to connecting rod is installed from top to bottom, one end is enclosed within on the bent axle, and an end is put into cylinder and is connected with piston.But because on the cylinder when offering U-groove bevel, the cutter unbalance stress of processing has had a strong impact on the cylindricity of cylinder processing; And because the existence of U-groove bevel, during cylinder operation thermal distortion asymmetric, affect working life of compressor.Simultaneously, when product type is expanded, piston appears easily and the cylinder seal distance is inadequate, the limited piston stroke, and versatility is poor, is unfavorable for that product type expands.
The model utility content
For overcoming the deficiencies in the prior art, the utility model provides a kind of housing assembly of compressor reasonable in design, simple in structure, and the utility model realizes that the technological scheme that above-mentioned purpose adopts is:
A kind of housing assembly of compressor comprises cylinder and frame;
Be provided with the cylinder patchhole on the described frame, the first end of described cylinder patchhole is provided with U-groove bevel;
Described cylinder is installed in described cylinder and inserts in the hole.
More preferably, the housing assembly of described compressor also comprises crankshaft-and-connecting-rod;
Be provided with hollow part on the described frame, described crankshaft installed can be rotated in described hollow part at described hollow part, and, have the first end primary importance farthest apart from described cylinder patchhole during described crankshaft rotating;
The length of described connecting rod is greater than the primary importance of described bent axle and the distance of described U-groove bevel opening end, and less than the primary importance of described bent axle and the distance of described U-groove bevel end.
More preferably, the first end of described cylinder patchhole is provided with boss, and described boss is used for locating described cylinder.
More preferably, described boss is circular arc, and the internal diameter of described boss is less than the internal diameter of described cylinder patchhole.
More preferably, the internal diameter of described boss is greater than the internal diameter of described cylinder.
More preferably, the housing assembly of described compressor also comprises piston and wrist pin, is provided with pin-and-hole on the described piston, described piston and described connecting rod by described pin-and-hole be connected wrist pin and be connected.
More preferably, the inwall of described cylinder patchhole is cylindrical;
The inner and outer wall of described cylinder is cylindrical.
More preferably, the shaft section of described connecting rod is " worker " shape or " H " shape.
The cylinder of compressor and the Split type structure of frame are avoided opening the adverse effects such as cylinder deformation that U-groove bevel causes at cylinder, have reduced the machining deformation of cylinder, have improved the precision of cylinder; Increased the seal distance on the cylinder, improved sealing effect, versatility is high, makes things convenient for model to expand; And, the cylinder after the split, shape and quality are less, are beneficial to processing in enormous quantities, have improved work efficiency, have reduced processing cost; The piston that is installed in the cylinder can be assembled on the bent axle at an easy rate by connecting rod, has improved manufacturing efficiency.
Description of drawings
Fig. 1 is the partial sectional view after housing assembly one embodiment's of compressor of the present utility model assembling is finished;
Fig. 2 is housing assembly STRUCTURE DECOMPOSITION schematic representation shown in Figure 1;
Fig. 3 is the frame schematic perspective view of housing assembly shown in Figure 1;
Fig. 4 is the cylinder schematic perspective view of housing assembly shown in Figure 1.
Wherein,
1 frame; The 1a U-groove bevel; 1b cylinder patchhole; The 1c boss; 2 pistons; The 2a piston ring;
3 wrist pins; 4 bent axles; 5 connecting rods; The 5a connecting rod small end; The 5b connnecting rod big end; 6 cylinders.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, take trunk piston as example, the housing assembly of compressor of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in the housing assembly that limits the described compressor of the utility model and use trunk piston.
Referring to figs. 1 through Fig. 4, housing assembly comprises frame 1, bent axle 4, connecting rod 5, piston 2 and cylinder 6, frame 1 and cylinder 6 adopt Split type structure, be respectively independent manufacturing of frame 1 and cylinder 6, cylinder 6 and the mode that is connected and fixed of frame 1 are that bolt is connected, is welded to connect or rivet connects, after the housing assembly assembling also available valve plate end cap (not shown) cylinder 6 is fixed on the frame 1;
Intermediate portion on the frame 1 is provided with for the hollow part of placing bent axle 4, and bent axle 4 can rotate in described hollow part, and the upper end of bent axle 4 is used for connecting connecting rod 5, and the lower end of bent axle 4 is used for connecting rotor;
Right side on the frame 1 is divided and is provided with cylinder patchhole 1b, cylinder patchhole 1b is arranged on the described hollow part at the middle part that substantially is adjacent to frame 1, be positioned at the upper right side of described hollow part, cylinder patchhole 1b is used for cylinder 6 is installed on wherein, for ease of processing, the inner and outer wall of cylinder 6 is cylindrical, the inwall of cylinder patchhole 1b also is cylindrical, the first end of the close bent axle 4 of cylinder patchhole 1b is provided with boss 1c, when being convenient to assemble cylinder 6 cylinder 6 is carried out axially locating, preferred, boss 1c is circular arc, 1b is concentric with the cylinder patchhole, and the internal diameter of boss 1c is less than the internal diameter of cylinder patchhole 1b; For guarantee that connecting rod 5 does not contact with boss 1c in the process of motion, preferred, the internal diameter of boss 1c is greater than the internal diameter of cylinder 6;
The first end of the close bent axle 4 of cylinder patchhole 1b is provided with U-groove bevel 1a, has the first end primary importance farthest apart from cylinder patchhole 1b during bent axle 4 rotation, the length of connecting rod 5 is greater than the distance of the opening end of the primary importance of bent axle 4 and U-groove bevel 1a, and less than the primary importance of bent axle 4 and the distance of U-groove bevel 1a end.Like this, both realize the miniaturization of compressor, also reached purpose easy to assembly
Piston 2 is installed in the cylinder 6 and carries out to-and-fro motion, in order to compressed refrigerant or air, described valve plate end cap (not shown) is connected to the end face of cylinder 6, is used for an end of fixing and sealing cylinder 6, the other end of cylinder 6 is fixing by boss 1c location, and by piston 2 sealings; Be provided with pin-and-hole on the piston 2, described housing assembly also comprises wrist pin 3, and piston 2 is connected by wrist pin 3 with connecting rod 5.
Connecting rod 5 is used for connecting bent axle 4 and piston 2, and connecting rod 5 is converted to rotatablely moving of bent axle 4 straight reciprocating motion of piston 2; The shaft section of connecting rod 5 is " worker " shape or " H " shape, and the first end of connecting rod 5 is connnecting rod big end 5b, and the second end of connecting rod 5 is connecting rod small end 5a, and connnecting rod big end 5b is used for connecting bent axle 4, and connecting rod small end 5a is used for connecting piston 2;
Piston 2 is connected with connecting rod and is utilized wrist pin 3 to connect, second end (connecting rod small end 5a) of connecting rod 5 is inserted in the piston 2, then wrist pin 3 is inserted in the pin-and-hole corresponding on the piston 2, the second end of connecting rod 5 (connecting rod small end 5a) is fixed in the piston 2, and wrist pin 3 can be crosshead pin or straight pin; Piston 2 is tubular or dish type, is provided with piston ring 2a on the piston 2.
During the assembling bracket component, first bent axle 4 is installed in the described hollow part on the frame 1, then the first end of connecting rod 5 (connnecting rod big end 5b) is assemblied on the bent axle 4, the U-groove bevel that the second end of connecting rod 5 (connecting rod small end 5a) passes the first end of cylinder patchhole 1b is positioned among the described cylinder patchhole 1b;
Again piston 2 is packed in the cylinder 6, make on the piston 2 for the end face of the pin-and-hole that cooperates with second end (connecting rod small end 5a) of connecting rod 5 near cylinder 6, and be positioned at the outside of cylinder 6, form cylinder assembly, again described cylinder assembly is encased among the cylinder patchhole 1b on the frame 1, align with the second end of connecting rod 5 (connecting rod small end 5a) to the pin-and-hole of piston 2, insert wrist pin 3, piston 2 is connected to second end (connecting rod small end 5a) of connecting rod 5; Perhaps the pin-and-hole of piston 2 is alignd with the second end of described connecting rod 5 (connecting rod small end 5a), insert wrist pin 3, piston 2 is connected to second end (connecting rod small end 5a) of connecting rod 5 by wrist pin 3, cylinder 6 is inserted among the cylinder patchhole 1b again, and cylinder 6 is enclosed within outside the piston 2;
At last cylinder 6 all is pressed among the cylinder patchhole 1b, makes the boss 1c of the cylinder patchhole 1b first end on the left side contact frame 1 of cylinder 6, the right side of cylinder 6 uses the valve plate end cap to fix.
The cylinder of piston compressor and the Split type structure of frame, can avoid fully opening the adverse effect that U-groove bevel causes at cylinder, during such as fine finishing cylinder hole, U-groove bevel on the cylinder hole can make the cutter unbalance stress, cylindricity is difficult to guarantee, and U-groove bevel also can make the phenomenon of the thermal distortion inequality that cylinder produces when work, strengthened the wearing and tearing between piston and the cylinder, increase friction power loss, also reduced the reliability of compressor.Realize on the cylinder also having increased the seal distance on the cylinder without U-groove bevel by Split type structure, improved sealing effect, versatility is high, makes things convenient for model to expand; And, the cylinder after the split, shape and quality are less, are beneficial to processing in enormous quantities, have improved work efficiency, have reduced processing cost; The piston that is installed in the cylinder can be assembled on the bent axle at an easy rate by connecting rod, has improved manufacturing efficiency.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. the housing assembly of a compressor is characterized in that:
Comprise cylinder and frame;
Be provided with the cylinder patchhole on the described frame, the first end of described cylinder patchhole is provided with U-groove bevel;
Described cylinder is installed in described cylinder and inserts in the hole.
2. the housing assembly of compressor according to claim 1 is characterized in that:
Also comprise crankshaft-and-connecting-rod;
Be provided with hollow part on the described frame, described crankshaft installed can be rotated in described hollow part at described hollow part, and, have the first end primary importance farthest apart from described cylinder patchhole during described crankshaft rotating;
The length of described connecting rod is greater than the primary importance of described bent axle and the distance of described U-groove bevel opening end, and less than the primary importance of described bent axle and the distance of described U-groove bevel end.
3. the housing assembly of compressor according to claim 1 and 2 is characterized in that:
The first end of described cylinder patchhole is provided with boss, and described boss is used for locating described cylinder.
4. the housing assembly of compressor according to claim 3 is characterized in that:
Described boss is circular arc, and the internal diameter of described boss is less than the internal diameter of described cylinder patchhole.
5. the housing assembly of compressor according to claim 4 is characterized in that:
The internal diameter of described boss is greater than the internal diameter of described cylinder.
6. the housing assembly of compressor according to claim 2 is characterized in that:
Also comprise piston and wrist pin, be provided with pin-and-hole on the described piston, described piston and described connecting rod by described pin-and-hole be connected wrist pin and be connected.
7. the housing assembly of compressor according to claim 1 and 2 is characterized in that:
The inwall of described cylinder patchhole is cylindrical;
The inner and outer wall of described cylinder is cylindrical.
8. the housing assembly of compressor according to claim 2 is characterized in that:
The shaft section of described connecting rod is " worker " shape or " H " shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394112 CN202789398U (en) | 2012-08-09 | 2012-08-09 | Rack component of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394112 CN202789398U (en) | 2012-08-09 | 2012-08-09 | Rack component of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789398U true CN202789398U (en) | 2013-03-13 |
Family
ID=47816672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220394112 Expired - Fee Related CN202789398U (en) | 2012-08-09 | 2012-08-09 | Rack component of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573583A (en) * | 2012-08-09 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Rack assembly for compressor and assembling method of rack assembly |
| CN105422418A (en) * | 2015-12-18 | 2016-03-23 | 常熟市制冷压缩机铸件厂 | Long-life refrigerator compressor casting frame |
-
2012
- 2012-08-09 CN CN 201220394112 patent/CN202789398U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573583A (en) * | 2012-08-09 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Rack assembly for compressor and assembling method of rack assembly |
| CN103573583B (en) * | 2012-08-09 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembling method of the housing assembly of compressor |
| CN105422418A (en) * | 2015-12-18 | 2016-03-23 | 常熟市制冷压缩机铸件厂 | Long-life refrigerator compressor casting frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20210809 |