CN202900571U - Connecting rod structure of compressor - Google Patents
Connecting rod structure of compressor Download PDFInfo
- Publication number
- CN202900571U CN202900571U CN 201220540761 CN201220540761U CN202900571U CN 202900571 U CN202900571 U CN 202900571U CN 201220540761 CN201220540761 CN 201220540761 CN 201220540761 U CN201220540761 U CN 201220540761U CN 202900571 U CN202900571 U CN 202900571U
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- CN
- China
- Prior art keywords
- connecting rod
- chute
- compressor
- piston
- bar linkage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a connecting rod structure of a compressor. The connecting rod structure of the compressor is used for the power transmission between a bent axle of the compressor and a piston of the compressor. One end that a connecting rod is connected with the piston is a fixed end, and one end that the connecting rod is connected with the bent axle is provided with a sliding groove which is matched with the bent axle. The sliding groove crosswise penetrates through a center line on the lengthwise direction of the connecting rod. Both ends of the sliding groove are identical with a perpendicular distance of the center line on the lengthwise direction of the connecting rod. The connecting rod structure of the compressor effectively solves the problems that operation of a compressor of the prior art is unbalanced, noise is big, the abrasion of a piston pin of the compressor of the prior art are large and consequently service life of the compressor is affected. The piston mechanism of the compressor has the advantages of being stable in operation, small in noise, long in service life, suitable for various types of compressors and very high in use value.
Description
Technical field
The utility model relates to a kind of structure of compressor, relates in particular to a kind of bar linkage structure of compressor.
Background technique
The compressor of prior art extensively adopts crankshaft ﹠ connecting, and crankshaft rotating drives piston by the connecting rod that swings and moves reciprocatingly, thereby finishes compressor function.But this structure piston is when to-and-fro motion, be not directly proportional between the displacement of crank angle degree and piston, when piston near stop up and down the time, the angle that bent axle turns over is large and the displacement of piston is very little.Under the condition that the bent axle constant angular velocity is rotated, piston is the cyclic process of acceleration-deceleration-acceleration-deceleration.Under this mode of operation, the one, the output torque of motor is little when large when being, and the 2nd, the movement of piston is sometimes fast and sometimes slow; These two factors all can cause the not steady of compressor operating, Caused Vibration and cause larger noise, and when especially piston carried out compressed action, the caused noise of this unbalanced working state was more outstanding.For household electric appliance such as picture refrigerator, refrigerators, larger noise will have a strong impact on people's life, be very large product defect.In addition, there are larger wearing and tearing in the connecting rod of prior art compressor and the joint of piston for rotating or being slidingly connected, and have affected the working life of compressor.Open day be that the patent document that April 1, publication number in 2009 are CN20121509lY discloses a kind of low noise compressor assembly, mainly solved the noise problems of too of traditional refrigeration compressor, refrigeration, air-conditioning, the heat-pump apparatus that uses this assembly to make can be directly installed on indoor, and need not reach every the noise device for it arranges machine room.It comprises compressor, the up and down vibration isolation sound proof housing that is welded by steel plate punched, high, low pressure vibration isolation pipe and draw joint, in, outer isolation mounting, the sealing protective ring of extracting power supply cord or transition tenminal block, be installed in the interior silencer of vibration isolation sound proof housing and the dividing wall type heat exchanger of cooling compressor, it is characterized in that compressor is installed in the vibration isolation sound proof housing by interior isolation mounting, the high low pressure exhaust sucking pipe of compressor by separately the vibration isolation pipe and draw joint, guide to outside the vibration isolation sound proof housing, the power line of compressor is guided to outside the vibration isolation sound proof housing by the sealing protective ring or the transition tenminal block that are contained on the vibration isolation sound proof housing, upper vibration isolation sound proof housing adopts with lower vibration isolation sound proof housing and guarantees that sealing technology is connected, and guarantees its tightness.The wall-type heat exchange apparatus of silencer and cooling compressor is housed in the vibration isolation sound proof housing, and the footing of vibration isolation sound proof housing links to each other with the chassis of equipment by outer isolation mounting.This structure reduces the noise of compressor by the sealing mode, and volume is very large, is only applicable to large-scale compressor.In addition, its piston of the compressor of prior art and connecting rod adopt hinging structure usually, connecting rod is except moving reciprocatingly with piston, also swing and do complicated plane motion, because the joint of connecting rod and piston is for being rotationally connected, therefore there are very large wearing and tearing, affected the working life of compressor.Open day be that the patent document that April 2, publication number in 2008 are CN201043563Y discloses a kind of engine link, it is respectively equipped with connecting rod small end and the connnecting rod big end of symmetry shape at the connecting rod shank upper and lower end, run through at deciliter face of connnecting rod big end and locating stud to be set and to run through connecting-rod bolts, strip Oil Guide groove is offered on two planes before and after connnecting rod big end, is provided with the stiffening rib with the symmetrical projection of connecting rod longitudinal center line at the connecting rod small end top.The molding when forging of this structure is convenient, has reduced processing cost, but wearing and tearing problem large, that affect compressor working life still exists between connecting rod and the piston.
The model utility content
The purpose of this utility model be for the compressor operating that solves prior art unbalanced, the problem that noise the is large and bar linkage structure of a kind of stable working, compressor that noise is little is provided.
Another purpose of the present utility model be problem large for the connecting rod that solves prior art and the wearing and tearing between the piston, that affect compressor working life provide between a kind of connecting rod and the piston without wear and tear, the bar linkage structure of a kind of compressor of long service life.
The utility model is to solve the problems of the technologies described above the technological scheme that adopts to be: a kind of bar linkage structure of compressor, be used for the transmission of power between compressor crank shaft and the piston, the end that described connecting rod is connected with piston is fixed end, the end that connecting rod is connected with bent axle is provided with the chute adaptive with bent axle, chute is horizontally through the center line on the length of connecting rod direction, and the perpendicular distance of center line equates on the two ends of chute and the length of connecting rod direction.The connecting rod of prior art and piston and bent axle are hinging structure, and connecting rod is converted into the to-and-fro motion of piston with rotatablely moving of bent axle, thereby finish the fundamental function of compressor.But this structure piston is not in direct ratio between the rotation angle of bent axle and the displacement of piston when to-and-fro motion, when piston near stop up and down the time, the angle that bent axle turns over is large and the displacement of piston is very little; On the contrary, piston is when the neutral position, and the angle that bent axle turns over is less and displacement piston is larger.Under this mode of operation, movement little and piston is sometimes fast and sometimes slow when large during the output torque of motor, these two factors all can cause the not steady of compressor operating, cause vibration of compressor and cause larger noise, when especially piston carried out compressed action, the caused noise of this unbalanced working state was more outstanding.And the utility model is fixed the relative position of connecting rod and piston, change the rotation angle of bent axle in the prior art and the fixed relationship of piston displacement and at connecting rod chute is set, direction or trench structure by chute cooperate to change the movement law that has piston now with bent axle, such as the end in the compression stroke of piston, travelling speed by suitable raising piston, can slow down the not steady working state of compressor, reach the purpose that reduces to vibrate, reduce compressor noise.Chute of the present utility model connecting rod transversely length and bent axle on the rotating diameter of crank throw suitable, the width of chute and the diameter of crank throw are suitable, crank throw is connected in the chute slidably.Because connecting rod and piston are fixed structure, therefore connecting rod of the present utility model can't swing, and when bent axle rotated, the crank throw on the bent axle rotated in chute and slidably reciprocates along groove, thereby drivening rod and piston are done linear reciprocating motion.Because shape or the position of the utility model chute can be set according to actual needs, therefore can change the rotation angle of bent axle in the prior art and the fixed relationship of piston displacement, thereby make the more stable of compressor operating state.In addition, connecting rod of the present utility model is fixedly connected with piston, does not have the wrist pin of prior art, connecting rod only with bent axle on crank throw have relative movement, therefore, the wrist pin wear problem of prior art does not exist yet, thereby can prolong the working life of compressor.
As a kind of simple scheme of chute, the chute on the connecting rod is straight-line groove, and the length direction of described chute and connecting rod is skewed setting, symplex structure centered by the described chute.This structure changes the rotation angle of bent axle in the prior art and the fixed relationship of piston displacement by the chute that is obliquely installed.Straight-line groove has acceleration to this piston near the moving process of top dead center near one section of piston, and straight-line groove has decelerating effect away from one section of the piston moving process that this piston is left top dead center.When the true dip direction of chute was consistent with crank throw sense of rotation on the bent axle, then piston was compared with prior art bigger than normal in its displacement of end of compression stroke, and working state that can the constant compression machine reduces noise.
As a kind of possibility of chute, the chute on the connecting rod is curved, the line at chute head and the tail two ends and vertical setting of length direction of connecting rod, and described chute is axially symmetric structure.Arc chute for the acceleration direction of piston at first half section and aforementioned straight-line groove roughly the same, second half section is then opposite, this grooved cooperates with bent axle can further improve the rotation angle of bent axle and the relation of piston displacement, thereby the working state of further constant compression machine reduces noise.
As the alternative dispensing means of chute, the chute on the connecting rod is S-shaped, and the line at chute head and the tail two ends and the length direction of connecting rod are skewed setting, symplex structure centered by the described chute.Different from above-mentioned curve bath scheme is, the curvilinear groove of this programme is obliquely installed, and the scheme of this and aforementioned straight-line groove is similar, and S shape chute is formed by the curve bath docking of two sections structures that are centrosymmetric usually.
As preferably, connecting rod is integrated or the segmentation spiro connection structure, and when adopting the segmentation spiro connection structure, the chute on the connecting rod is made of two relative opening closures, is bolted connection between two relative openings of chute.
As preferably, the length direction of connecting rod is provided with oil duct, and an end of oil duct is positioned on the sidewall of chute, and the other end of oil duct is communicated with the fixed end of connecting rod.The oil duct that is arranged on fixed end can be communicated with piston, plays the effect of lube pistons.
As preferably, the fixed end of connecting rod is cylinder or bolt structure.Connecting rod of the present utility model and piston are fixed structures, and the form that can adopt crimping between connecting rod and the piston, is spirally connected is fixed.
The beneficial effects of the utility model are: it is unbalanced that it has solved the compressor operating of prior art effectively, the problem that noise is large, and its wrist pin wearing and tearing of compressor arrangement that also solved prior art are large, affect the compressor problem in working life.Arrangement works of the present utility model is steady, noise is little and long service life, is suitable for various dissimilar compressors, has very high use value.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model embodiment 1;
Fig. 2 is the plan structure schematic representation of Fig. 1;
Fig. 3 is a kind of structural representation of the utility model embodiment 2;
Fig. 4 is a kind of structural representation of the utility model embodiment 3;
Fig. 5 is a kind of structural representation of the utility model embodiment 4.
Among the figure: 1. connecting rod, 2. chute, 3. fixed end, 4. oil duct, 5. bolt.
Embodiment
Below by embodiment, and by reference to the accompanying drawings the embodiment of technical solutions of the utility model is further described.
In the embodiment shown in Figure 2 such as Fig. 11, a kind of bar linkage structure of compressor, be used for the transmission of power between compressor crank shaft and the piston, the end that described connecting rod 1 is connected with piston is cylindric fixed end 3, the end that connecting rod is connected with bent axle is provided with the chute 2 adaptive with bent axle, chute is horizontally through the center line on the length of connecting rod direction, and the perpendicular distance of center line equates on the two ends of chute and the length of connecting rod direction.Chute on the connecting rod is straight-line groove, and the length direction of described chute and connecting rod is skewed setting, symplex structure centered by the described chute.The length direction of connecting rod is provided with oil duct 4, and an end of oil duct is positioned on the sidewall of chute, and the other end of oil duct is communicated with the fixed end of connecting rod.
In embodiment 2 as shown in Figure 3, the fixed end of connecting rod is bolt structure, and the chute on the connecting rod is curved, the line at chute head and the tail two ends and vertical setting of length direction of connecting rod, and described chute is axially symmetric structure, all the other are identical with embodiment 1.
In embodiment 3 as shown in Figure 4, the chute on the connecting rod is slightly S-shaped, and the line at chute head and the tail two ends and the length direction of connecting rod are skewed setting, symplex structure centered by the described chute, and all the other are identical with embodiment 1.
In embodiment 4 as shown in Figure 5, connecting rod is the segmentation spiro connection structure, and the chute on the connecting rod is made of two relative opening closures, is fixedly connected by bolt 5 between two relative openings of chute, and all the other are identical with embodiment 1.
In addition to the implementation; in claims of the present utility model and the disclosed scope of specification; technical characteristics of the present utility model or technical data can reselect and make up; thereby consist of new embodiment; it is namely attainable that these all are that those skilled in the art need not to carry out creative work, so these the utility model embodiment of not having to describe in detail also should be considered as specific embodiment of the utility model and within protection domain of the present utility model.
The utility model is fixed the relative position of connecting rod and piston, at connecting rod chute is set and changes the rotation angle of bent axle in the prior art and the fixed relationship of piston displacement, direction or trench structure by chute cooperate to change the movement law that has piston now with bent axle, to slow down the not steady working state of compressor, reach the purpose that reduces to vibrate, reduce compressor noise.
Claims (8)
1. the bar linkage structure of a compressor, be used for the transmission of power between compressor crank shaft and the piston, it is characterized in that: the end that described connecting rod (1) is connected with piston is fixed end (3), the end that connecting rod is connected with bent axle is provided with the chute adaptive with bent axle (2), chute is horizontally through the center line on the length of connecting rod direction, and the perpendicular distance of center line equates on the two ends of chute and the length of connecting rod direction.
2. the bar linkage structure of a kind of compressor according to claim 1, it is characterized in that: the chute on the connecting rod is straight-line groove, and the length direction of described chute and connecting rod is skewed setting, symplex structure centered by the described chute.
3. the bar linkage structure of a kind of compressor according to claim 1, it is characterized in that: the chute on the described connecting rod is curved, the line at chute head and the tail two ends and vertical setting of length direction of connecting rod, described chute is axially symmetric structure.
4. the bar linkage structure of a kind of compressor according to claim 1, it is characterized in that: the chute on the described connecting rod is S-shaped, and the line at chute head and the tail two ends and the length direction of connecting rod are skewed setting, symplex structure centered by the described chute.
5. the bar linkage structure of a kind of compressor according to claim 1, it is characterized in that: described connecting rod is structure as a whole.
6. the bar linkage structure of a kind of compressor according to claim 1, it is characterized in that: described connecting rod is the segmentation spiro connection structure, the chute on the connecting rod is made of two relative opening closures, is bolted connection between two relative openings of chute.
7. according to claim 1 and 2 or the bar linkage structure of 3 or 4 or 5 or 6 described a kind of compressors, it is characterized in that: the length direction of connecting rod is provided with oil duct (4), and an end of oil duct is positioned on the sidewall of chute, and the other end of oil duct is communicated with the fixed end of connecting rod.
8. according to claim 1 and 2 or the bar linkage structure of 3 or 4 or 5 or 6 described a kind of compressors, it is characterized in that: the fixed end of connecting rod is cylinder or bolt structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540761 CN202900571U (en) | 2012-10-22 | 2012-10-22 | Connecting rod structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540761 CN202900571U (en) | 2012-10-22 | 2012-10-22 | Connecting rod structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900571U true CN202900571U (en) | 2013-04-24 |
Family
ID=48121250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540761 Expired - Lifetime CN202900571U (en) | 2012-10-22 | 2012-10-22 | Connecting rod structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747415A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Integrated connecting rod and compressor |
| CN108757715A (en) * | 2018-07-13 | 2018-11-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod, pump assembly, compressor |
-
2012
- 2012-10-22 CN CN 201220540761 patent/CN202900571U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747415A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Integrated connecting rod and compressor |
| CN104747415B (en) * | 2013-12-25 | 2018-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Monolithic linkage and compressor |
| CN108757715A (en) * | 2018-07-13 | 2018-11-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod, pump assembly, compressor |
| CN108757715B (en) * | 2018-07-13 | 2023-08-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod, pump body assembly and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province 311000 industrial city of Yuhang Xianlin holy Road No. 1 Patentee after: HANGZHOU QIANJIANG COMPRESSOR GROUP Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311121 Leisure Town Road No. 1 Yuhang district. Patentee before: HANGZHOU QIANJIANG COMPRESSOR Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 1, Yuhang street, Yuhang street, Yuhang District, Hangzhou, Zhejiang Patentee after: HANGZHOU QIANJIANG REFRIGERATION COMPRESSOR GROUP Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311000 industrial city of Yuhang Xianlin holy Road No. 1 Patentee before: HANGZHOU QIANJIANG COMPRESSOR GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |