CN201310459Y - Bi-parting card connection ball connecting rod of refrigerant compressor - Google Patents
Bi-parting card connection ball connecting rod of refrigerant compressor Download PDFInfo
- Publication number
- CN201310459Y CN201310459Y CNU2008201692832U CN200820169283U CN201310459Y CN 201310459 Y CN201310459 Y CN 201310459Y CN U2008201692832 U CNU2008201692832 U CN U2008201692832U CN 200820169283 U CN200820169283 U CN 200820169283U CN 201310459 Y CN201310459 Y CN 201310459Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hollow cylindrical
- parting
- piston
- cylindrical body
- Prior art date
- 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 - Fee Related
Links
Images
Abstract
The utility model relates to a bi-parting card connection ball connecting rod of refrigerant compressor, which belongs to the field of a refrigerant compression device. A connecting rod in the prior art is an integral connecting rod, which needs to be jointed with a piston through pins, moves depending on the side surface of a cylinder of a working end and has high requirements of the processing accuracy and poor working effect of pushing the piston. The bi-parting card connection ball connecting rod comprises a first connecting rod body which his provided with a bent shaft mounting hole and a second connecting rod body, wherein the bent mounting hole is perpendicular to the length direction of the first connecting rod body. The bi-parting card connection ball connecting rod is characterized in that the first connecting rod body comprises a big end and a bar-shaped rod body, the bent shaft mounting hole is located at the big end and is formed through closing a left semi-hollow cylinder and a right semi-hollow cylinder from both sides, a screw bolt is vertically traversed through a projected wing which is arranged on the end edge of the joint between the left and the right semi-hollow cylinders and connects the two together, and the second rod body is a spherical segment body. The bi-parting card connection ball connecting rod has the advantages that the integral connecting rod is divided into three or four parts, the connecting rod is made in a split mode, the accuracy can be partly adjusted, the processing difficulty of work pieces is reduced, the yield is high, the bi-parting card connection ball connecting rod is convenient to the assembly of connecting rods, bent shafts and the piston and improves the efficiency of the refrigerant compressor.
Description
[technical field]
The utility model relates to a kind of refrigeration compressor connecting rod that improves structure, belongs to the refrigerant compression apparatus field.
[background technique]
In the chiller plant such as refrigerator, refrigerator, the piston of Totally-enclosed piston type compressor is normally done flexible to-and-fro motion under the drive of the connecting rod of crank-driven.In the prior art, the assembly relation of piston and connecting rod and bent axle as shown in Figure 1 and Figure 2, bent axle d becomes the α angle to articulate with connecting rod c rear end, the working surface (being generally cylindrical side) of connecting rod c front end is connected with piston a through bearing pin b.During proper functioning, connecting rod c should do forward-reverse motion in the plane vertical with bearing pin b, is that the axle center relies on cylindrical side and does the swing that left and right sides amplitude is 1/2nd β angles with bearing pin b in this plane also simultaneously.In addition, connecting rod c does not allow to move in other direction, otherwise the offset movement of connecting rod c can apply the power of the normal vibration-direction of skew to piston, and its a part of frictional force that contacts with cylinder inner wall is increased, and hinders piston and moves even stop motion along cylinder inner wall.Take place for fear of above-mentioned situation, guarantee piston crustal extension to-and-fro motion continually and steadily, the angle α of bent axle d and connecting rod c needs to remain unchanged down in working order always.Therefore, right angle requirement on machining accuracy to the crankshaft installed hole of rod rear end and cylinder inner wall is very high, need to adopt special equipment processing, to the machining accuracy of bent axle, connecting rod, also very high together with the requirement of the machining accuracy of piston, bearing pin and assembly precision, the crankshaft installed hole of monolithic linkage and the parallelism difficulty of processing of bearing pin mounting hole are very big, can not partly adjust precision, product percent of pass is low.If machining accuracy or assembly precision have slightly reduce or refrigeration compressor in use frame angle distortion is arranged slightly, cause connecting rod other direction outside the in-plane vertical that small skew swing takes place with bearing pin, gently then can cause the discontinuous smoothness of piston motion, accelerating piston, cylinder wear produce the gap to cause cylinder inner wall, the forfeiture tightness, reduce the compressor effect, heavy then can cause piston to be stuck in the cylinder, compressor is quit work.In addition, when installing monolithic linkage in the refrigeration compressor in the prior art, because of the restriction of compressor volume, the operating space is little, must earlier piston all be inserted in the cylinder, the connecting rod front end is inserted in the piston again, and insert bearing pin by the mount inlet on the cylinder wall the two is coupled together, because the bearing pin mount inlet is set need take one section cylinder wall, has reduced the running length (minimizing of Seal cage length) of piston motion, has reduced the working efficiency of same specification cylinder compressor.
[model utility content]
The technical assignment of the technical problems to be solved in the utility model and proposition is the defective that overcomes prior art, but provide a kind of split manufacturing, difficulty of processing low, can locally adjust precision, even the refrigeration compressor opposite opened clamping ball link that the slight shift swing still can reach fine work effect takes place in the up-to-standard rate height.Further purpose of the present utility model is to be convenient to and piston, bent axle assembling, and can not take the cylinder wall position, can further improve compressor operating efficient.For this reason, the utility model adopts following technological scheme:
Refrigeration compressor opposite opened clamping ball link, comprise the first connecting rod body and the second connecting rod body that have the crankshaft installed hole, described crankshaft installed hole is vertical with first connecting rod body length direction, it is characterized in that described first connecting rod body comprises big end and stick-shaped body, described crankshaft installed hole is positioned at big end and is involuted by left semi-hollow cylindrical body and right semi-hollow cylindrical body, bolt vertically passes left semi-hollow cylindrical body and right semi-hollow cylindrical body couples together both at the outstanding wing that the end limit of junction is provided with, and described second body of rod is a spheroid.The crankshaft installed hole that involutes by left semi-hollow cylindrical body and right semi-hollow cylindrical body, the realization split is made, reduce difficulty of processing, and can adjust left semi-hollow cylindrical body and right semi-hollow cylindrical body respectively, guarantee crankshaft installed hole highi degree of accuracy, improve the connecting rod product qualified rate, the special spheroid that is provided with partly is used for being connected with piston, changed prior art by bearing pin and piston ways of connecting, relying on the spheroid surface can make the relative piston of connecting rod do the flexible swing of multi-angle, under the situation of equal offset amplitude, reduced the biasing force effect that connecting rod skew swing produces piston greatly, thereby the frictional force that piston and cylinder inner wall are produced because of biasing force is not enough to influence the normal flexible to-and-fro motion of piston in cylinder, has guaranteed the work effect of refrigeration compressor.Joint can be connected by interference fit, screw thread and other equivalent way with receiving cavity.Process first connecting rod body and second connecting rod body respectively, easily manufactured and can adjust precision respectively, realize whole highi degree of accuracy easily, the yield rate height with connecting rod.In addition, the second connecting rod body of this structure does not adopt the bearing pin of prior art to be connected with piston, be increased in the running length of piston motion the length that the bearing pin mount inlet need take one section cylinder wall is set, prolonged Seal cage length, that adopts the same specification cylinder also can improve compressor operating efficient.
For the improving and replenishing of technique scheme, can increase following technical characteristics or its combination:
Described spheroid bottom surface has the indent receiving cavity, and described lever front end is provided with the joint that cooperates with receiving cavity, and joint and receiving cavity periphery are welded to connect.Utilize steel ball split manufacturing, the processing spheroid is simple, and machining accuracy is guaranteed, and welding manner is fixedly connected, and connecting rod strength is good.
The spheroid height of described second connecting rod body is greater than the spheroid radius.Increase the spherical crown area as far as possible, be convenient to be connected, also guarantee simultaneously and the area that is connected of joint, increase connecting rod strength with the piston receiving cavity.
The described right semi-hollow cylindrical body and the bar-shaped body of rod are an integral body.Be wholely set, whole connecting rod is that left semi-hollow cylindrical body, right semi-hollow cylindrical body and the body of rod, spheroid three parts are formed, and number of components is less, simplifies assembly process.
Described right semi-hollow cylindrical body is provided with outstanding accommodating part, the accommodating part has horizontal fitting recess and the vertical eccentric opening that runs through fitting recess, be provided with spacing muscle in the fitting recess, the end that the described body of rod is relative with joint is provided with the insertion end that cooperates with fitting recess, have the draw-in groove that cooperates with spacing muscle on the insertion end, be installed with cam pin in the described eccentric opening through draw-in groove.The connecting rod of this structure is made up of left semi-hollow cylindrical body, right semi-hollow cylindrical body (band accommodating part), the body of rod, spheroid four parts, during assembling, insertion end is inserted from the fitting recess notch vertical with spacing muscle, draw-in groove is cooperated with spacing muscle, and then cam pin inserted in the eccentric opening, spacing muscle cooperates with cam pin insertion end is securely fixed in the fitting recess.Four parts constitute, and are easily manufactured and can partly adjust precision, realize the highi degree of accuracy of connecting rod integral easily, also are convenient to connecting rod simultaneously and assemble with bent axle, piston.The body of rod can be connected with piston with spheroid welding back, the body of rod, accommodating part, left semi-hollow cylindrical body are connected to form complete connecting rod more in turn then, and are connected with bent axle.
The utility model resolves into three or four parts with whole connecting rod, realizes the local workpiece accuracy of adjusting of split manufacturing, reduces difficulty of processing, and the yield rate height is convenient to connecting rod and bent axle, piston assembling; Ad hoc spheroid has obviously increased the flexibility that connecting rod relative piston is done multi-direction swing, thereby reduced the workpiece accuracy requirement, under the situation of equal offset amplitude, the biasing force effect that connecting rod skew swing produces piston can be decreased to and be not enough to influence the normal flexible to-and-fro motion of piston in cylinder, and need not to adopt prior art by bearing pin and piston ways of connecting, prolong Seal cage length, improved the efficient of refrigeration compressor.
[description of drawings]
Fig. 1 is the assembly structure schematic representation of prior art connecting rod and piston, bent axle;
Fig. 2 is the plan structure schematic representation of Fig. 1;
Fig. 3 is the utility model embodiment one a structural representation;
Fig. 4 is that the A-A of Fig. 3 is to cross-sectional view;
Fig. 5 is the cross-sectional view of big end and the body of rod among the utility model embodiment one;
Fig. 6 is the right side TV structure schematic representation of Fig. 5;
Fig. 7 is the utility model embodiment two a structural representation;
Fig. 8 is that the A-A of Fig. 7 is to cross-sectional view;
Fig. 9 is the cross-sectional view of big end among the utility model embodiment two;
Figure 10 is the right side TV structure schematic representation of Fig. 9.
Among the figure: 1, big end, 11, the crankshaft installed hole, 12, the accommodating part, 13, left semi-hollow cylindrical body, 14, the outstanding wing, 15, fitting recess, 16, spacing muscle, 17, eccentric opening, 2, the body of rod, 21, insertion end, 22, joint, 23, draw-in groove, 3, spheroid, 31, receiving cavity, 4, cam pin, 5, weld seam; 6, bolt, a, piston, b, bearing pin, c, connecting rod, d, bent axle, e, cylinder wall, the angle of α, bent axle d and connecting rod c, the angle of β, the connecting rod c left and right sides amplitude of oscillation.
[embodiment]
Below in conjunction with specification drawings and specific embodiments substantive distinguishing features of the present utility model is further described.
Fig. 1, shown in Figure 2, in the prior art, bent axle d and connecting rod c rear end end articulate, and the working end of connecting rod c front end (working surface is the cylindrical body side) is connected with piston a by the bearing pin b that the mount inlet at cylinder wall e inserts.During proper functioning, connecting rod c should do forward-reverse motion in the plane vertical with bearing pin b, is that the swing that left and right sides amplitude is 1/2nd β angles is done in the axle center with bearing pin b in this plane also simultaneously.The angle α of bent axle d and connecting rod c need remain unchanged when working.
Shown in Fig. 3-6, among the embodiment one, refrigeration compressor opposite opened clamping ball link, comprise the first connecting rod body and the second connecting rod body that have crankshaft installed hole 11, crankshaft installed hole 11 is vertical with first connecting rod body length direction, the first connecting rod body comprises big end 1 and stick-shaped body 2, crankshaft installed hole 11 is positioned at big end 1 and is involuted by left semi-hollow cylindrical body 13 and right semi-hollow cylindrical body, the right semi-hollow cylindrical body and the bar-shaped body of rod 2 are an integral body, bolt 6 vertically passes the outstanding wing that left semi-hollow cylindrical body 13 and right semi-hollow cylindrical body be provided with on the end limit of junction 14 both is coupled together, second body of rod is a spheroid 3, spheroid 3 bottom surfaces have indent receiving cavity 31, the body of rod 2 front ends are provided with the joint 22 that cooperates with receiving cavity 31, and joint 22 is connected with receiving cavity 31.Joint 22 is welded to connect with receiving cavity 31 peripheries and forms weld seam 5.Spheroid 3 height are greater than the spheroid radius.The right semi-hollow cylindrical body and the bar-shaped body of rod 2 are an integral body
Shown in Fig. 7-10, among the embodiment two, refrigeration compressor opposite opened clamping ball link, comprise the first connecting rod body and the second connecting rod body that have crankshaft installed hole 11, crankshaft installed hole 11 is vertical with first connecting rod body length direction, the first connecting rod body comprises big end 1 and stick-shaped body 2, crankshaft installed hole 11 is positioned at big end 1 and is involuted by left semi-hollow cylindrical body 13 and right semi-hollow cylindrical body, and bolt 6 vertically passes the outstanding wing that left semi-hollow cylindrical body 13 and right semi-hollow cylindrical body be provided with on the end limit of junction 14 both are coupled together.Second body of rod is a spheroid 3, and spheroid 3 bottom surfaces have indent receiving cavity 31, and the body of rod 2 front ends are provided with the joint 22 that cooperates with receiving cavity 31, and joint 22 is connected with receiving cavity 31.Joint 22 is welded to connect with receiving cavity 31 peripheries and forms weld seam 5.Spheroid 3 height are greater than the spheroid radius.Right semi-hollow cylindrical body is provided with outstanding accommodating part 12, accommodating part 12 has horizontal fitting recess 15 and the vertical eccentric opening 17 that runs through fitting recess, be provided with spacing muscle 16 in the fitting recess 15, the body of rod 2 and joint 22 relative ends are provided with the insertion end 21 that cooperates with fitting recess 15, have the draw-in groove 23 that cooperates with spacing muscle 16 on the insertion end 21, be installed with cam pin 4 in the eccentric opening 17 through draw-in groove 23.
Refrigeration compressor opposite opened clamping ball link shown in above Fig. 3-10 is a specific embodiment of the utility model, the utility model substantive distinguishing features and progress have been embodied, can carry out the modification of aspects such as shape, specification, material to it according to the use needs of reality, seldom give unnecessary details at this.
Claims (5)
1. refrigeration compressor opposite opened clamping ball link, comprise the first connecting rod body and the second connecting rod body that have crankshaft installed hole (11), described crankshaft installed hole (11) is vertical with first connecting rod body length direction, it is characterized in that described first connecting rod body comprises big end (1) and stick-shaped body (2), described crankshaft installed hole (11) is positioned at big end (1) and is involuted by left semi-hollow cylindrical body (13) and right semi-hollow cylindrical body, bolt (6) vertically passes left semi-hollow cylindrical body (13) and right semi-hollow cylindrical body couples together both at the outstanding wing (14) that the end limit of junction is provided with, and described second body of rod is spheroid (3).
2. refrigeration compressor opposite opened clamping ball link according to claim 1, it is characterized in that described spheroid (3) bottom surface has indent receiving cavity (31), the described body of rod (2) front end is provided with the joint (22) that cooperates with receiving cavity (31), and joint (22) is welded to connect with receiving cavity (31) periphery.
3. refrigeration compressor opposite opened clamping ball link according to claim 2 is characterized in that described spheroid (3) height is greater than the spheroid radius.
4. according to claim 1 or 2 or 3 described refrigeration compressor opposite opened clamping ball links, it is characterized in that the described right semi-hollow cylindrical body and the bar-shaped body of rod (2) are an integral body.
5. according to claim 1 or 2 or 3 described refrigeration compressor opposite opened clamping ball links, it is characterized in that described right semi-hollow cylindrical body is provided with outstanding accommodating part (12), accommodating part (12) has horizontal fitting recess (15) and the vertical eccentric opening (17) that runs through fitting recess, be provided with spacing muscle (16) in the fitting recess (15), the insertion end (21) that one end of the described body of rod (2) is provided with and fitting recess (15) cooperates, have the draw-in groove (23) that cooperates with spacing muscle (16) on the insertion end (21), be installed with cam pin (4) in the described eccentric opening (17) through draw-in groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201692832U CN201310459Y (en) | 2008-11-28 | 2008-11-28 | Bi-parting card connection ball connecting rod of refrigerant compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201692832U CN201310459Y (en) | 2008-11-28 | 2008-11-28 | Bi-parting card connection ball connecting rod of refrigerant compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201310459Y true CN201310459Y (en) | 2009-09-16 |
Family
ID=41107713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201692832U Expired - Fee Related CN201310459Y (en) | 2008-11-28 | 2008-11-28 | Bi-parting card connection ball connecting rod of refrigerant compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201310459Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846058A (en) * | 2010-05-31 | 2010-09-29 | 广州万宝集团压缩机有限公司 | Split connecting rod for refrigerating compressor |
| CN104985063A (en) * | 2015-08-08 | 2015-10-21 | 陈瑞峰 | Compression ring die |
| CN113494512A (en) * | 2020-04-08 | 2021-10-12 | 长城汽车股份有限公司 | Connecting rod assembly of engine, engine and vehicle |
-
2008
- 2008-11-28 CN CNU2008201692832U patent/CN201310459Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846058A (en) * | 2010-05-31 | 2010-09-29 | 广州万宝集团压缩机有限公司 | Split connecting rod for refrigerating compressor |
| CN101846058B (en) * | 2010-05-31 | 2012-09-19 | 广州万宝集团压缩机有限公司 | Split connecting rod for refrigerating compressor |
| CN104985063A (en) * | 2015-08-08 | 2015-10-21 | 陈瑞峰 | Compression ring die |
| CN113494512A (en) * | 2020-04-08 | 2021-10-12 | 长城汽车股份有限公司 | Connecting rod assembly of engine, engine and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201310459Y (en) | Bi-parting card connection ball connecting rod of refrigerant compressor | |
| CN201310460Y (en) | Card connection ball connecting rod of refrigerant compressor | |
| CN104963830B (en) | Reciprocating compressor | |
| CN201354731Y (en) | Refrigeration compressor piston with spherical holding part | |
| CN103541892A (en) | Spherical compressor | |
| CN201074653Y (en) | Monopodium balance mechanism of motorcycle engine | |
| CN201310458Y (en) | Laminated card connection ball connecting rod of refrigerant compressor | |
| CN2934648Y (en) | H type sliding block type air compressor | |
| CN109505704A (en) | A kind of length of variable compression ratio engine can be changed link mechanism and control method | |
| CN202789398U (en) | Rack component of compressor | |
| CN204941847U (en) | Reciprocal compressor | |
| CN205036584U (en) | Multi -cylinder rotary compressor | |
| CN216842459U (en) | Lever type cylinder | |
| CN210422964U (en) | Lower sheath of micro diaphragm pump | |
| CN209163981U (en) | High-pressure pump roller tappet | |
| CN111997776A (en) | High-efficient lubricated piston link assembly | |
| CN109798152B (en) | Piston type expansion machine | |
| CN202370780U (en) | Positive displacement vacuum pump based on Maltese cross movement mechanism | |
| CN111706687B (en) | Ultrahigh vacuum pneumatic gate valve | |
| CN220415330U (en) | Novel petroleum pumping unit for petroleum machinery | |
| CN107476950B (en) | Piston force work energy-saving compressor | |
| CN201810395U (en) | Combined cylinder piston crank mechanism | |
| CN213442828U (en) | Self-attaching movable support arm of wall-climbing robot | |
| CN215772816U (en) | Permanent magnet servo motor with output angle adjustment function | |
| CN216894794U (en) | Piston connecting rod structure of reciprocating piston compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20111128 |