CN202732278U - Connecting rod component of piston compressor and piston compressor - Google Patents
Connecting rod component of piston compressor and piston compressor Download PDFInfo
- Publication number
- CN202732278U CN202732278U CN 201220363510 CN201220363510U CN202732278U CN 202732278 U CN202732278 U CN 202732278U CN 201220363510 CN201220363510 CN 201220363510 CN 201220363510 U CN201220363510 U CN 201220363510U CN 202732278 U CN202732278 U CN 202732278U
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- connecting rod
- shaped
- plush copper
- groove
- link assembly
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Abstract
The utility model discloses a connecting rod component of a piston compressor and the piston compressor. The connecting rod component of the piston compressor comprises a first connecting rod, a second connecting rod and a locating piece, wherein a first shaft hole matched with a piston pin is arranged in a first end of the first connecting rod, and a first connecting part is arranged at a second end of the first connecting rod; a second shaft hole matched with a crankshaft is arranged in a first end of the second connecting rod, and a second connecting part is arranged at a second end of the second connecting rod; the first connecting part is a T-shaped groove, and the second connecting part is a T-shaped convex head matched with the T-shaped groove; and when the T-shaped convex head is inserted into the T-shaped groove, the locating piece is embedded in a clearance between the T-shaped convex head and the T-shaped groove, so the T-shaped convex head is connected and fastened with the T-shaped groove. The connecting rod component of the piston compressor, which is provided by the utility model, adopts a split type structure and has the advantages that the structure is simpler, the molding is easier and the assembly is more convenient.
Description
Technical field
The utility model relates to the component of compressor, particularly relates to a kind of piston compressor link assembly, and uses the piston compressor of this link assembly.
Background technique
The structure of existing compact type bent axle-link piston compressor as shown in Figure 1, because this piston compressor adopts bearing hole, cylinder-bore one-piece crankshaft case 1, therefore the crankcase 1 cylinder-bore afterbody of being everlasting arranges U-shaped groove 11, in order to connecting rod 5 is installed on bent axle 4 and the piston 2.Because the existence of U-shaped groove so that cylinder-bore is adding cutter unbalance stress in man-hour, during work thermal distortion asymmetric, when product type is expanded, limited piston stroke simultaneously.
In order to overcome the above problems, various structures have appearred, some employings are divided into two-part split-type structural with connecting rod, and as shown in Figure 2, this Split connecting rod partly is made of major part part and microcephaly, major part part joint is designed with v-depression, microcephaly's part joint is designed with the V-arrangement projection, and two parts cooperate with V-arrangement face place, and the cooperation place outer rim offers groove, twine jump ring at groove, so that the connection of connecting rod two-part is fastening.In this way, first piston and connecting rod small end part are assembled into one outside production line, going up production line packs in the crankcase cylinder hole again, the bent axle of in crankcase, packing into, the bent axle of again connnecting rod big end partly being packed into, at last connecting rod two-part are cooperated with the V-arrangement face, and twine jump ring to connect two-part of connecting rod in the outer ring.Although this kind Split connecting rod can effectively address the above problem, there is complex structure in this kind Split connecting rod, the mould-forming difficulty, and connecting rod joint surface of contact Xiao Yi makes the defective of bar linkage structure distortion.
Summary of the invention
For above-mentioned prior art present situation, first technical problem to be solved in the utility model is, a kind of piston compressor link assembly is provided, has the problems such as the cylinder that assembles trouble, causes thus is yielding, the model expansion is limited to overcome existing Split connecting rod.
Second technical problem to be solved in the utility model is, a kind of piston compressor that uses this link assembly is provided.
The technological scheme that above-mentioned first technical problem that solves the utility model adopts is: a kind of piston compressor link assembly, comprise first connecting rod, second connecting rod and locating piece, the first end of described first connecting rod is provided with the first axis hole that cooperates with wrist pin, the second end is provided with the first joint, the first end of described second connecting rod is provided with the second axis hole that cooperates with bent axle, the second end is provided with the second joint, described the first joint is T-shaped groove, and described the second joint is the T-shaped plush copper that is complementary with described T-shaped groove; Described T-shaped plush copper is inserted in the described T-shaped groove, and described locating piece embeds in the gap between described T-shaped plush copper and the described T-shaped groove.
Among embodiment, the notch of described T-shaped groove is V-arrangement, is provided with the V-arrangement fitting surface that matches with the wall of described notch in two opposite flanks of described second connecting rod therein.
Among embodiment, the front-end face of described T-shaped plush copper is the plane therein, and the groove bottom of described T-shaped groove also is the plane, and the front-end face of described T-shaped plush copper does not contact with the groove bottom of described T-shaped groove.
Among embodiment, the front-end face of described T-shaped plush copper is V-arrangement therein, the V-arrangement of the groove bottom of described T-shaped groove for matching with the front-end face of described T-shaped plush copper.
Therein among embodiment, described T-shaped plush copper comprises wide of plush copper and the narrow section of plush copper, narrow of wide of described plush copper and described plush copper form two first step sections, described groove comprises wide of groove and the narrow section of groove, wide of described groove forms two second step sections with narrow of described groove, and described locating piece embeds in the described gap between described first step section and the described second step section.
Among embodiment, described locating piece is the U-shaped jump ring therein, and two legs of described jump ring embed respectively in the described gap between the described second step of two described first step sections and two section.
Among embodiment, the plane at two leg center line places of described jump ring is bending side therein.
Among embodiment, described first connecting rod and described second connecting rod all adopt powder metallurgy pressing to form therein.
The technological scheme that above-mentioned second technical problem that solve the utility model adopts is: a kind of piston compressor, comprise crankcase, piston, wrist pin, crankshaft-and-connecting-rod assembly, described piston is installed in the cylinder-bore of described crankcase, this piston is connected with an end of described link assembly by described wrist pin, the other end of described link assembly is connected with bent axle, and described link assembly is above-mentioned link assembly.
Piston compressor link assembly provided by the utility model is comprised of two-part, compares with existing integral type connecting rod, has overcome the complex structure that existing integral type connecting rod exists, mould-forming difficulty, the problem of assembling trouble; And compare with existing Split connecting rod assembly, two-part connecting rod of piston compressor link assembly provided by the utility model adopts T-shaped plush copper and T-shaped groove fit, and by locating piece with T-shaped plush copper be connected groove and connect fastening, need not process the groove for the jump ring plug-in mounting, therefore structure is simpler, easy mould-forming, and assemble convenient.
Description of drawings
Fig. 1 is the existing structural representation that adopts the piston compressor of integral type connecting rod;
Fig. 2 is the structural representation of existing Split connecting rod assembly;
Fig. 3 is the exploded view of the link assembly among the utility model embodiment one;
Fig. 4 is the erection drawing of link assembly shown in Figure 3;
Fig. 5 is the structural representation of the piston compressor of use link assembly shown in Figure 3;
Fig. 6 is the exploded view of the link assembly among the utility model embodiment two;
Fig. 7 is the erection drawing of link assembly shown in Figure 6;
Fig. 8 is the exploded view of the link assembly among the utility model embodiment three;
Fig. 9 is the erection drawing of link assembly shown in Figure 8.
Among above each figure, the 1-crankcase; 11-U type groove; The 12-cylinder-bore; The 2-piston; The 3-wrist pin; The 4-bent axle; The 5-first connecting rod; 51-the first axis hole; 52-T type groove; The wide section of 521-groove; The narrow section of 522-groove; The 521a-groove bottom; The wall of 53-notch; The 6-jump ring; The 61-leg; The 7-second connecting rod; 71-the second axis hole; The 72-plush copper; The wide section of 721-plush copper; The narrow section of 722-plush copper; The 721a-front-end face, the 73-fitting surface.
Embodiment
Also in conjunction with the embodiments the utility model is elaborated below with reference to accompanying drawing.Need to prove, in the situation that do not conflict, below feature among each embodiment and the embodiment can mutually make up.
Embodiment one
Referring to Fig. 3 and Fig. 4, the piston compressor link assembly in the present embodiment comprises first connecting rod 5, second connecting rod 7 and locating piece, and the first end of described first connecting rod 5 is provided with the first axis hole 51, the second ends that cooperate with wrist pin 3 and is provided with T-shaped groove 52.The first end of described second connecting rod 7 is provided with the second axis hole 71, the second ends that cooperate with bent axle 4 and is provided with the T-shaped plush copper 72 that is complementary with described T-shaped groove 52.When described T-shaped plush copper 72 is inserted into described T-shaped groove 52 when interior, described locating piece is embedded in the gap between described T-shaped plush copper 72 and the described T-shaped groove 52, first connecting rod 5 is connected connect fastening with second connecting rod.
Preferably, described T-shaped plush copper 72 comprises narrow 722 of wide 721 of plush copper and plush copper, narrow 722 of wide 721 of described plush copper and described plush copper form two first step sections, described T-shaped groove 52 comprises narrow 522 of wide 521 of groove and groove, narrow 522 of wide 521 of described groove and described groove form two second step sections, when described T-shaped plush copper 72 is inserted into described T-shaped groove 52 when interior, described locating piece embeds in the described gap between described first step section and the described second step section.Preferably, described locating piece is U-shaped jump ring 6, and two legs 61 of described jump ring 6 embed respectively in the described gap between the described second step of two described first step sections and two section.Preferably, the plane at two leg 61 center line places of described jump ring 6 is bending side, has so an amount of overhang to guarantee can tighten after first connecting rod 5 and second connecting rod 7 cooperate by the V-arrangement surface of contact, and is not loosening.
Further referring to Fig. 3, preferably, the notch of described T-shaped groove 52 is V-arrangement, is provided with the V-arrangement fitting surface 73 that matches with the wall 53 of described notch in two opposite flanks of described second connecting rod 7.When described T-shaped plush copper 72 is inserted into described T-shaped groove 52 when interior, the wall 53 of described notch cooperates with the fitting surface 73 of second connecting rod 7, makes first connecting rod 5 and second connecting rod 7 large at the effect lower stress face of jump ring 6, fits tighter, more stable during with crankshaft operation.
Preferably, the front-end face 721a of described T-shaped plush copper is the plane, the groove bottom 521a of described T-shaped groove 52 also is the plane, when described T-shaped plush copper is inserted into described T-shaped groove 52 when interior, the end face of described T-shaped plush copper does not contact with the groove bottom 521a of described T-shaped groove 52, and the wall 53 that is conducive to described notch is fitted tighter with the fitting surface 73 of second connecting rod 7.
Preferably, described first connecting rod 5 and described second connecting rod 7 all adopt powder metallurgy pressing to form.
Figure 5 shows that the structural representation of the piston compressor that uses above-mentioned link assembly, piston compressor comprises the link assembly of crankcase 1, piston 2, wrist pin 3, bent axle 4 and above-described embodiment, described piston 2 is installed in the cylinder-bore 12 of described crankcase 1, this piston 2 is connected with an end of described link assembly by wrist pin 3, and the other end of link assembly is connected with bent axle 4.
Because connecting rod has adopted split-type structural, so that the assembling of piston compressor becomes simply, the assembly method of piston compressor comprises the steps:
The first step, the first end with first connecting rod 5 outside production line connect into a piston rod part by wrist pin 3 and piston 2;
Second step, with pack into the bearing hole of crankcase 1 of bent axle 4, on the bent axle 4 of then first end of second connecting rod 7 being packed into;
The 3rd step, described piston rod part is packed in the cylinder-bore 12 of crankcase 1, again that the T-shaped groove 52 of first connecting rod 5 is plug-in with the T-shaped plush copper 72 that is installed in the second connecting rod 7 on the bent axle 4, then jump ring 6 is inserted from top to bottom along the axial direction of bent axle 4 in the gap between the second step section of the first step section of described T-shaped plush copper 72 and described T-shaped groove 52, thereby finish assembling.
This shows, because link assembly adopts split-type structural, overcome the complex structure that existing integral type connecting rod exists, mould-forming difficulty, the problem of assembling trouble; And compare with existing Split connecting rod assembly, two-part connecting rod of the piston compressor link assembly that the utility model embodiment provides adopts T-shaped plush copper and T-shaped groove 52 to cooperate, and by locating piece with T-shaped plush copper be connected groove 52 and connect fastening, need not process the groove for jump ring 6 plug-in mountings, therefore structure is simpler, easy mould-forming, and assemble convenient.
Embodiment two
Shown in Fig. 6,7, the structure of the link assembly of the present embodiment is substantially identical with the structure of embodiment one link assembly, difference is: the front-end face 721a of described T-shaped plush copper 72 is V-arrangement, the V-arrangement of the groove bottom 521a of described T-shaped groove 52 for matching with the front-end face 721a of described T-shaped plush copper.The front-end face 721a of T-shaped plush copper and the groove bottom 521a of T-shaped groove 52 are the V-arrangement face, so that first connecting rod 5 and second connecting rod 7 are large at the effect lower stress face of jump ring 6, fit tighter, more stable during with crankshaft operation.
Embodiment three
Shown in Fig. 8,9, the structure of the structure of the link assembly of the present embodiment and embodiment one, two link assembly is substantially identical, difference is: the front-end face 721a of described T-shaped plush copper 72 is V-arrangement, the V-arrangement of the groove bottom 521a of described T-shaped groove 52 for matching with the front-end face 721a of described T-shaped plush copper, simultaneously, the notch of described T-shaped groove 52 is V-arrangement, is provided with the V-arrangement fitting surface 73 that matches with the wall 53 of described notch in two opposite flanks of described second connecting rod 7.First connecting rod 5 and second connecting rod 7 more can guarantee first connecting rod 5 and the stability of second connecting rod 7 in assembly process by two groups of V-arrangement faces cooperations like this, make link assembly more stable with crankshaft operation the time, and, stress surface is larger like this, thereby avoids the hidden danger that makes the V-arrangement facial disfigurement that jump ring 6 is come off owing to stress surface is too small.
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 (9)
1. piston compressor link assembly, comprise first connecting rod, second connecting rod and locating piece, the first end of described first connecting rod is provided with the first axis hole that cooperates with wrist pin, the second end is provided with the first joint, the first end of described second connecting rod is provided with the second axis hole that cooperates with bent axle, and the second end is provided with the second joint, it is characterized in that, described the first joint is T-shaped groove, and described the second joint is the T-shaped plush copper that is complementary with described T-shaped groove; Described T-shaped plush copper is inserted in the described T-shaped groove, and described locating piece embeds in the gap between described T-shaped plush copper and the described T-shaped groove.
2. piston compressor link assembly according to claim 1 is characterized in that, the notch of described T-shaped groove is V-arrangement, is provided with the V-arrangement fitting surface that matches with the wall of described notch in two opposite flanks of described second connecting rod.
3. piston compressor link assembly according to claim 2 is characterized in that, the front-end face of described T-shaped plush copper is the plane, and the groove bottom of described T-shaped groove also is the plane, and the front-end face of described T-shaped plush copper does not contact with the groove bottom of described T-shaped groove.
4. piston compressor link assembly according to claim 1 and 2 is characterized in that, the front-end face of described T-shaped plush copper is V-arrangement, the V-arrangement of the groove bottom of described T-shaped groove for matching with the front-end face of described T-shaped plush copper.
5. piston compressor link assembly according to claim 1, it is characterized in that, described T-shaped plush copper comprises wide of plush copper and the narrow section of plush copper, narrow of wide of described plush copper and described plush copper form two first step sections, described groove comprises wide of groove and the narrow section of groove, wide of described groove forms two second step sections with narrow of described groove, and described locating piece embeds in the described gap between described first step section and the described second step section.
6. piston compressor link assembly according to claim 5 is characterized in that, described locating piece is the U-shaped jump ring, and two legs of described jump ring embed respectively in the described gap between the described second step of two described first step sections and two section.
7. piston compressor link assembly according to claim 6 is characterized in that, the plane at two leg center line places of described jump ring is bending side.
8. piston compressor link assembly according to claim 1 is characterized in that, described first connecting rod and described second connecting rod all adopt powder metallurgy pressing to form.
9. piston compressor, comprise crankcase, piston, wrist pin, crankshaft-and-connecting-rod assembly, described piston is installed in the cylinder-bore of described crankcase, this piston is connected with an end of described link assembly by described wrist pin, the other end of described link assembly is connected with bent axle, it is characterized in that, described link assembly is such as the described link assembly of any one in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363510 CN202732278U (en) | 2012-07-25 | 2012-07-25 | Connecting rod component of piston compressor and piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363510 CN202732278U (en) | 2012-07-25 | 2012-07-25 | Connecting rod component of piston compressor and piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732278U true CN202732278U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220363510 Expired - Lifetime CN202732278U (en) | 2012-07-25 | 2012-07-25 | Connecting rod component of piston compressor and piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573581A (en) * | 2012-07-25 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Linkage component of piston compressor, piston compressor and assembly method for piston compressor |
| 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 |
-
2012
- 2012-07-25 CN CN 201220363510 patent/CN202732278U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573581A (en) * | 2012-07-25 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Linkage component of piston compressor, piston compressor and assembly method for piston compressor |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |