CN101205877A - Binding structure for framework and cylinder of enclosed compressor - Google Patents
Binding structure for framework and cylinder of enclosed compressor Download PDFInfo
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- CN101205877A CN101205877A CNA200610130312XA CN200610130312A CN101205877A CN 101205877 A CN101205877 A CN 101205877A CN A200610130312X A CNA200610130312X A CN A200610130312XA CN 200610130312 A CN200610130312 A CN 200610130312A CN 101205877 A CN101205877 A CN 101205877A
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Abstract
The invention provides a combination structure for a frame and a cylinder of an enclosed compressor; the invention is characterized in that: the invention consists of a frame provided with a rotatable crankshaft which penetrates the center part and a cylinder which is shaped independent of the frame, connected with the frame and provided with a compression chamber which is arranged in the center and penetrates the front and the back parts, wherein the face of the frame and the face of the cylinder which are opposite to each other form a guiding groove and a guiding rib respectively; by placing the guiding rib in the guiding groove, the cylinder can be guided along the front and back direction, wherein the guiding groove is formed on a cylinder placement face of the frame, on which the cylinder is placed; the guiding rib is formed below the cylinder, moreover, the position and the shape of the guiding rib correspond to the guiding groove. The invention can make a straight line reciprocating shifting shaft of a piston in line with a central shaft of the compression chamber.
Description
Technical field
The present invention relates to a kind of framework of hermetic compressor and the combining structure of cylinder
Background technique
As shown in Figure 1, the outward appearance of existing compressor is made of upper container 3 and bottom container 1.After above-mentioned bottom container 1 and upper container 3 mutually combine, form confined space in inside.The inside of above-mentioned confined space is provided with framework 7, and the bottom of said frame 7 is provided with stator 11.The inside of said stator 11 is provided with rotor 12, and the electro permanent magnetic between above-mentioned rotor 12 utilizations and the said stator 11 interacts and is rotated.
Above-mentioned rotor 12 is pressed into and is arranged at crankshaft 13, and rotates with above-mentioned crankshaft 13 one.Above-mentioned crankshaft 13 up/down perforation said frame 7, and by said frame 7 rotatable supports.Above-mentioned crankshaft 13 is connected with the piston (not shown) by connecting rod 14.Above-mentioned piston carries out straight reciprocating motion at the pressing chamber of cylinder 15 inside.
The rear end of above-mentioned cylinder 15 is provided with valve member and overhead guard assembly 16.The effect of above-mentioned valve member is that the Control work fluid flows to the inside and outside of above-mentioned pressing chamber.
Here, as shown in Figure 2, above-mentioned cylinder 15 can be independent of said frame 7 to be made, and utilizes screw 15b to be connected in said frame 7 then.This is for the making work that makes framework 7 becomes easily, and can make the assembly working of above-mentioned crankshaft 13, piston and connecting rod 14 become easy.Below, will the cohesive process of above-mentioned cylinder 15 and said frame 7 be described.
At first, above-mentioned cylinder 15 is positioned over said frame 7, and makes attachment hole 15h, 9 alignment that are formed at above-mentioned cylinder 15 and framework 7 respectively.Then, the piston (not shown) is inserted into the pressing chamber 17 that is formed at above-mentioned cylinder 15, the state that this moment, above-mentioned piston was connected with 14 one-tenth of connecting rods.And, the part of screw 15b is inserted in above-mentioned attachment hole 15h, 9, temporarily in conjunction with above-mentioned cylinder 15 and framework 7.
At this moment, as shown in Figure 3, the most important thing is when piston 18 is positioned at upper dead center, should make the front end of piston 18 and distance (hereinafter referred to as the tolerance) T that connects between the front of cylinder 15 of valve member minimizes.
But there is following defective in aforesaid prior art:
As shown in Figure 3, for above-mentioned tolerance T is minimized, at first with cylinder 15 and framework 7 temporary transient combinations, consumption gauge (gage) 19 alignment fiducials then impact the rear end of cylinder 15 again with hammer 20, carry out combination work.But, impacting with hammer 20 in the process of cylinder 15, above-mentioned cylinder 15 can be crooked towards clockwise direction with respect to going up of framework 7.Therefore, as shown in Figure 4, the inconsistent problem of central shaft 17C of the linear reciprocation shifting axle 18C and the pressing chamber of piston will appear.
As mentioned above, in case the central shaft 17C of the linear reciprocation shifting axle 18C of piston and pressing chamber is inconsistent, will causes pressing chamber 17 inner frictions to become big, thereby make piston 18 be easy to wearing and tearing with piston 18.
In addition, because the linear reciprocation shifting axle 18C of piston and the central shaft 17C of pressing chamber are inconsistent, therefore piston will be difficult in the above-mentioned pressing chamber 17 and move back and forth smoothly, thereby will cause the output of compressor to become big, and can not well finish the compression to working fluid.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the defective that existing technology exists, and a kind of framework of hermetic compressor and the combining structure of cylinder are provided, so that the linear reciprocation shifting axle of piston is consistent with the central shaft of pressing chamber.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of framework of hermetic compressor and the combining structure of cylinder is characterized in that it is made of following several sections: connect the rotatable framework that is provided with crankshaft of central authorities; Independently form with said frame, and be connected in said frame, and before and after central authorities, be through with the cylinder of pressing chamber, wherein, the face that said frame and cylinder are corresponding mutually is formed with steering channel and guiding rib respectively, by above-mentioned guiding rib is positioned over above-mentioned steering channel, direction guides above-mentioned cylinder forwards, backwards.
The framework of aforesaid hermetic compressor and the combining structure of cylinder, wherein steering channel is formed at the cylinder placed side of the above-mentioned cylinder of placement of said frame, above-mentioned guiding rib be formed at above-mentioned cylinder below, and its position is all corresponding with above-mentioned steering channel with shape.
The framework of aforesaid hermetic compressor and the combining structure of cylinder, wherein steering channel be formed at above-mentioned cylinder below, above-mentioned guiding rib is formed at the cylinder placed side of the above-mentioned cylinder of placement of said frame, and its position is all corresponding with above-mentioned steering channel with shape.
The framework of aforesaid hermetic compressor and the combining structure of cylinder are wherein compared with above-mentioned steering channel, and above-mentioned guiding rib is shorter relatively.
The framework of aforesaid hermetic compressor and the combining structure of cylinder, wherein steering channel crosses above-mentioned cylinder placed side fully, and runs through the entire length formation of the amplitude of above-mentioned cylinder placed side.
The framework of aforesaid hermetic compressor and the combining structure of cylinder, wherein steering channel only is formed at the part of above-mentioned cylinder placed side, and has certain length formation.
The present invention of Gou Chenging as mentioned above, in the connection procedure of cylinder, the central shaft of pressing chamber can not depart from framework, therefore, can reduce wearing for piston, and can improve the output of compressor.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the exploded perspective view of the structure of existing hermetic compressor.
Fig. 2 is the exploded perspective view of the combining structure of existing framework and cylinder.
Fig. 3 is the floor map of the cohesive process of existing framework and cylinder.
Fig. 4 is the floor map that cylinder produces distortion in the combining structure of existing framework and cylinder.
Fig. 5 is the exploded perspective view of major component structure of hermetic compressor of preferred embodiment of the combining structure of framework of the present invention and cylinder.
Fig. 6 is the framework of hermetic compressor of preferred embodiment of the present invention and the exploded perspective view of cylinder.
Fig. 7 is the framework of hermetic compressor of another embodiment of the present invention and the exploded perspective view of cylinder.
The number in the figure explanation:
30: framework 45: crankshaft
46: cam pin 48: counterweight
50: connecting rod 55: piston
60: concave groove 61: the cylinder placed side
66,166: steering channel 70,170: cylinder
72,172: pressing chamber 76,176: guiding rib
Embodiment
Shown in Fig. 5,6, the inside of the seal container of hermetic compressor of the present invention is provided with framework 30, and the central authorities of direction perforation said frame 30 are formed with through hole 32 up and down.The bottom of framework 30 that is equivalent to the edge of above-mentioned through hole 32 is formed with shaft sleeve part 33, and above-mentioned shaft sleeve part 33 prolongs certain-length to the bottom and forms.
The bottom of said frame 30 is provided with motor section 40, and above-mentioned motor section 40 is made of stator 41 and rotor 42.Wherein, stator 41 is fixed in the bottom of framework 30, and rotor 42 is arranged at the central authorities of said stator 41.Exist electro permanent magnetic to interact between said stator 41 and the rotor 42, above-mentioned rotor 42 will utilize above-mentioned effect to be rotated.The rotating center of above-mentioned rotor 42 is pressed into and is provided with the following crankshaft that will illustrate 45.
Crankshaft 45 connects above-mentioned through hole 32 and above-mentioned shaft sleeve part 33, by framework 30 rotatable supports.And the upper end of above-mentioned crankshaft 45 is provided with cam pin 46, and above-mentioned cam pin 46 is positioned at the position with the rotating center off-centre of above-mentioned crankshaft 45.In addition, above-mentioned crankshaft 45 is provided with counterweight 48, and the effect of above-mentioned counterweight 48 is, solves the unbalanced problem of rotation of the crankshaft 45 that the existence owing to above-mentioned cam pin 46 causes.Above-mentioned counterweight 48 protrudes formation to the opposition side of the direction of the off-centre of above-mentioned cam pin 46.
In addition, be connected with the following connecting rod that will illustrate 50 between the cam pin 46 of above-mentioned crankshaft 45 and the piston 55.One end of above-mentioned connecting rod 50 is provided with crankshaft joint 52, and above-mentioned crankshaft joint 52 is connected with the cam pin 46 of above-mentioned crankshaft 45; Its other end is provided with piston joint (not shown).Above-mentioned crankshaft joint 52 and piston joint can adopt multiple structure.For example, as shown in the figure, the structure of above-mentioned crankshaft joint 52 and piston joint can be drum or ball-joint (ball joint) shape.
The piston joint of above-mentioned connecting rod 50 is connected with piston 55.The effect of above-mentioned piston 55 is: in the following pressing chamber that will illustrate 72, carry out straight reciprocating motion, thus compression working fluid.The Placement of above-mentioned piston 55 and connecting rod 50 can be taked multiple structure.
In addition, be formed with concave groove 60 above the said frame 30, above-mentioned concave groove 60 is formed at the zone that comprises above-mentioned through hole 32.On said frame 30, an end that does not form above-mentioned concave groove 60 is cylinder placed side 61.The following cylinder that will illustrate will be placed in above-mentioned cylinder placed side 61, and connect.For this reason, bore a hole respectively and be formed with attachment hole 62 in the two ends of above-mentioned cylinder placed side 61.
The centre of crossing above-mentioned cylinder placed side 61 is formed with end difference 63.That is, on above-mentioned cylinder placed side 61, recessedly relatively be formed with above-mentioned end difference 63.The effect of above-mentioned end difference 63 is: can make the top oil that is transported to said frame 30 be easy to flow out from above-mentioned concave groove 60.In the present embodiment, above-mentioned end difference 63 crosses the central authorities of above-mentioned cylinder placed side 61 fully, and extends to an end of above-mentioned concave groove 60 sides and framework always.
And, on above-mentioned cylinder placed side 61, be the center with above-mentioned end difference 63, the left and right sides is formed with steering channel 66 respectively.In an embodiment of the present invention, above-mentioned steering channel 66 crosses above-mentioned cylinder placed side 61 fully and forms, and, prolongs an end that is formed up to above-mentioned concave groove and framework that is.
The cylinder placed side 61 of said frame 30 is connected with cylinder 70.The direction central authorities that connect above-mentioned cylinder 70 are formed with pressing chamber 72 forwards, backwards, and above-mentioned piston 55 is positioned at above-mentioned pressing chamber 72.The two ends of above-mentioned cylinder 70 are protruded and are formed with joint 73, and in above-mentioned joint 73, the position perforation corresponding with the attachment hole 62 of said frame 30 is formed with attachment hole 74.Above-mentioned cylinder 70 utilizes screw 75 to be connected in said frame 30.
In addition, below above-mentioned cylinder 70, that is, the face that contacts with above-mentioned cylinder placed side 61 protrudes and is formed with guiding rib 76.And the position of above-mentioned guiding rib 76 and shape are all corresponding mutually with above-mentioned steering channel 66.Above-mentioned guiding rib 76 can be formed at the integral body of the following amplitude of above-mentioned cylinder 70; Perhaps also can have certain length, and only be formed at the part of above-mentioned amplitude.Therefore, along with above-mentioned guiding rib 76 is positioned over above-mentioned steering channel 66, above-mentioned cylinder 70 can only move to the fore-and-aft direction of above-mentioned cylinder 70.That is, in the connection procedure of above-mentioned cylinder 70, can prevent that above-mentioned cylinder 70 left and right sides on said frame 30 is crooked.
In the Fig. 7 shown in another embodiment of the present invention, have the component parts of identical function among itself and Fig. 6, will before former label, add 100, and no longer it will be described in detail.
As shown in Figure 7, at first, be formed with steering channel 166 above the framework 130.Above-mentioned steering channel 166 only is formed at the part of cylinder placed side 161, and has certain length.That is, between an end of above-mentioned concave groove 160 and said frame 130, be formed with above-mentioned steering channel 166 respectively, and interval one determining deviation.
And, below cylinder 170, that is,, protrude and be formed with guiding rib 176 with 161 corresponding of above-mentioned cylinder placed sides.And the position of above-mentioned guiding rib 176 and shape are all corresponding with above-mentioned steering channel 166.The length of above-mentioned guiding rib 176 is shorter than the length of above-mentioned steering channel 166, therefore, is positioned under the state of above-mentioned steering channel 166 at above-mentioned guiding rib 176, can guarantee the above-mentioned cylinder 170 direction space of moving forwards, backwards.
Below, will the effect of the combining structure of the framework of the hermetic compressor of the present invention that constitutes as mentioned above and cylinder be described in detail.As a reference, because the effect of various embodiments of the present invention is identical, be foundation only here therefore with preferred embodiment of the present invention, the connection procedure of cylinder and framework is described.
At first, above-mentioned cylinder 70 is positioned over said frame 30, and the attachment hole 74,62 that is formed at above-mentioned cylinder 70 and framework 30 is respectively alignd mutually.At this moment, the guiding rib 76 that protrudes below above-mentioned cylinder 70 will be inserted into the steering channel 66 that is formed at above-mentioned cylinder placed side 61.And the piston 55 that is connected with connecting rod 50 will be inserted in the pressing chamber 72 of above-mentioned cylinder 70.In this state, the part of screw 75 is inserted in above-mentioned attachment hole 74,62, and temporarily in conjunction with above-mentioned cylinder 70 and framework 30.
Then, when piston 55 is positioned at upper dead center,, needs are carried out beaing with hammer the work of the rear end of above-mentioned cylinder 70 for distance (hereinafter referred to as the tolerance) T between the front of the front end that makes piston 55 and the cylinder 70 that is connected with valve member 80 minimizes.At this moment, because the guiding rib 76 of above-mentioned cylinder 70 is guided by above-mentioned steering channel 66, therefore above-mentioned cylinder 70 can only move to the length direction of steering channel 66.So even external force effect is arbitrarily arranged in the above-mentioned cylinder 70, above-mentioned cylinder 70 also forwards, backwards direction move.
Therefore, even only to the rear end one side application of force of above-mentioned cylinder 70, it is crooked that above-mentioned cylinder 70 can the left and right sides yet.So, in the connection procedure of above-mentioned cylinder 70, can make the central shaft alignment of the linear reciprocation shifting axle and the pressing chamber 72 of above-mentioned piston 55.
As mentioned above, the rear end of using hammer to beat cylinder 70 behind the above-mentioned tolerance T that harmonizes, connects the screw 75 that temporarily connects fully, and fixing cylinder 70.Then, in the rear end of above-mentioned cylinder 70, valve member 80 and overhead guard assembly 90 are linked in sequence.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
For example, in the present embodiment, be formed with steering channel above the framework, be formed with guiding rib below the cylinder.But, also can be in contrast.Perhaps, can also form a plurality of above-mentioned steering channels and guiding rib.
The framework of hermetic compressor of the present invention and the integrated structure of cylinder have following effect:
The guiding rib that will protrude below cylinder in the present invention, is placed into and is formed at the cylinder placed side Therefore guiding groove independently carries out in the structure of combination after the formation respectively at cylinder and framework again, can make by In between the two combination and the minimizing deformation that causes.
Particularly, because above-mentioned guiding rib is directed being positioned under the state of guiding groove, therefore above-mentioned In the setting up procedure of cylinder, can prevent that the above-mentioned cylinder left and right sides is crooked. And because the linear reciprocation of piston The central shaft of shifting axle and discharge chambe aligns mutually, therefore can significantly reduce the wearing and tearing of piston, and improve Work reliability and the durability of compressor. And, can also reduce the wearing and tearing of discharge chambe and cylinder, from And the output that improves compressor.
The present invention does not need be used to other the worker who prevents that the cylinder left and right sides is crooked in the connection procedure of cylinder Order, therefore, the connection work of cylinder will become easily, and can reduce working procedure.
Claims (6)
1. the combining structure of the framework of a hermetic compressor and cylinder is characterized in that it is made of following several sections:
Connect the rotatable framework that is provided with crankshaft of central authorities;
Independently form with said frame, and be connected in said frame, and before and after central authorities, be through with the cylinder of pressing chamber,
Wherein, the face that said frame and cylinder are corresponding mutually is formed with steering channel and guiding rib respectively, and by above-mentioned guiding rib is positioned over above-mentioned steering channel, direction guides above-mentioned cylinder forwards, backwards.
2. the combining structure of the framework of hermetic compressor according to claim 1 and cylinder is characterized in that:
Above-mentioned steering channel is formed at the cylinder placed side of the above-mentioned cylinder of placement of said frame, above-mentioned guiding rib be formed at above-mentioned cylinder below, and its position is all corresponding with above-mentioned steering channel with shape.
3. the combining structure of the framework of hermetic compressor according to claim 1 and cylinder is characterized in that:
Above-mentioned steering channel be formed at above-mentioned cylinder below, above-mentioned guiding rib is formed at the cylinder placed side of the above-mentioned cylinder of placement of said frame, and its position is all corresponding with above-mentioned steering channel with shape.
4. according to the framework of each described hermetic compressor in the claim 1 to 3 and the combining structure of cylinder, it is characterized in that:
Compare with above-mentioned steering channel, above-mentioned guiding rib is shorter relatively.
5. the combining structure of the framework of hermetic compressor according to claim 4 and cylinder is characterized in that:
Above-mentioned steering channel crosses above-mentioned cylinder placed side fully, and runs through the entire length formation of the amplitude of above-mentioned cylinder placed side.
6. the combining structure of the framework of hermetic compressor according to claim 4 and cylinder is characterized in that:
Above-mentioned steering channel only is formed at the part of above-mentioned cylinder placed side, and has certain length formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610130312XA CN101205877A (en) | 2006-12-18 | 2006-12-18 | Binding structure for framework and cylinder of enclosed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610130312XA CN101205877A (en) | 2006-12-18 | 2006-12-18 | Binding structure for framework and cylinder of enclosed compressor |
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| Publication Number | Publication Date |
|---|---|
| CN101205877A true CN101205877A (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610130312XA Pending CN101205877A (en) | 2006-12-18 | 2006-12-18 | Binding structure for framework and cylinder of enclosed compressor |
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| CN (1) | CN101205877A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586549B (en) * | 2008-05-21 | 2012-10-10 | 思科普有限责任公司 | Hermetically encapsulated coolant compressor arrangement and method for mounting cylinder arrangement thereof |
| CN104989623A (en) * | 2015-07-20 | 2015-10-21 | 安徽美芝制冷设备有限公司 | Reciprocating compressor and rack thereof |
-
2006
- 2006-12-18 CN CNA200610130312XA patent/CN101205877A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586549B (en) * | 2008-05-21 | 2012-10-10 | 思科普有限责任公司 | Hermetically encapsulated coolant compressor arrangement and method for mounting cylinder arrangement thereof |
| CN104989623A (en) * | 2015-07-20 | 2015-10-21 | 安徽美芝制冷设备有限公司 | Reciprocating compressor and rack thereof |
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Open date: 20080625 |