Compressor connecting rod

Abstract

The utility model provides a compressor connecting rod which comprises a connecting rod body, one end of the connecting rod body is provided with a first connecting ring used for being rotationally connected with a pin shaft on a piston, and the other end of the connecting rod body is provided with a second connecting ring used for being rotationally connected with an eccentric shaft on a driving component. A first bearing is axially embedded in the first connecting ring, and the first bearing is used for being matched between the first connecting ring and a pin shaft on the piston; a second bearing is axially embedded in the second connecting ring, and the second bearing is used for being matched between the second connecting ring and an eccentric shaft on the driving part; according to the compressor connecting rod, abrasion between the first connecting ring and the pin shaft on the piston can be effectively overcome, abrasion between the second connecting ring and the eccentric shaft on the driving part can be effectively overcome, and therefore the service life of the compressor connecting rod can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressor accessory technical field, specifically, relate to a compressor connecting rod. BACKGROUND

[0002] The compressor connecting rod is indispensable important part in connecting rod type compressor, and the compressor connecting rod comprises a connecting rod body, one end of the connecting rod body is provided with a first connecting ring for being rotatably connected with a pin shaft on a piston, the other end of the connecting rod body is provided with a second connecting ring for being rotatably connected with an eccentric shaft on a driving part, and the first connecting ring and the second connecting ring are connected in an integrated manner through a connecting rod part, and when working, the driving part can drive the piston to reciprocate through the compressor connecting rod, however, in the use of the existing compressor connecting rod, there is a big friction between the first connecting ring and the pin shaft on the piston and between the second connecting ring and the eccentric shaft on the driving part, which can easily cause the wear between the first connecting ring and the pin shaft on the piston and the wear between the second connecting ring and the eccentric shaft on the driving part, that is, the compressor connecting rod has the short service life. SUMMARY

[0003] The utility model solves the technical problem to provide a kind of compressor connecting rod, it can effectively overcome the wear between the first connecting ring and the pin shaft on the piston, and can effectively overcome the wear between the second connecting ring and the eccentric shaft on the driving part, so as to effectively prolong the service life of compressor connecting rod.

[0004] The utility model provides a kind of compressor connecting rod, including connecting rod body, one end of connecting rod body is provided with the first connecting ring for being rotatably connected with the pin shaft on piston, the other end of connecting rod body is provided with the second connecting ring for being rotatably connected with the eccentric shaft on driving part;The inside of first connecting ring is axially embedded with first bearing, and first bearing is used to cooperate between first connecting ring and the pin shaft on piston;The inside of second connecting ring is axially embedded with second bearing, and second bearing is used to cooperate between second connecting ring and the eccentric shaft on driving part.

[0005] The utility model can effectively overcome the wear between the first connecting ring and the pin shaft on the piston and the wear between the second connecting ring and the eccentric shaft on the driving part under the action of first bearing and second bearing after adopting the above structure, so as to effectively prolong the service life of compressor connecting rod.

[0006] In a possible implementation, the inner wall of the first connecting ring is provided with a first annular groove, the inner end of the first bearing is abutted against the inner end of the first annular groove, the inner wall of the outer end of the first annular groove is provided with a first annular clamping groove, the first clamping spring is clamped on the first annular clamping groove, and the outer end of the first bearing is abutted against the first clamping spring. After the structure is adopted, the inner end of the first bearing is abutted against the inner end of the first annular groove, and the outer end of the first bearing is abutted against the first clamping spring, so that the first bearing can be reliably axially limited in the interior of the first connecting ring.

[0007] In a possible implementation, the inner wall of the second connecting ring is provided with a second annular groove, the inner end of the second bearing is abutted against the inner end of the second annular groove, the inner wall of the outer end of the second annular groove is provided with a second annular clamping groove, the second clamping spring is clamped on the second annular clamping groove, and the outer end of the second bearing is abutted against the second clamping spring. After the structure is adopted, the inner end of the second bearing is abutted against the inner end of the second annular groove, and the outer end of the second bearing is abutted against the second clamping spring, so that the second bearing can be reliably axially limited in the interior of the second connecting ring.

[0008] In a possible implementation, the connecting rod body further comprises a connecting rod part, two ends of the connecting rod part are connected to the outer wall of the first connecting ring and the outer wall of the second connecting ring, respectively; the two sides of the connecting part connected with the first connecting ring are provided with first extension parts extending towards the circumferential direction of the first connecting ring, and the two sides of the connecting part connected with the second connecting ring are provided with second extension parts extending towards the circumferential direction of the second connecting ring. After the structure is adopted, the structural strength of the connecting part connected with the first connecting ring can be improved under the action of the first extension part, so as to avoid the breakage of the connecting part connected with the first connecting ring. Similarly, the structural strength of the connecting part connected with the second connecting ring can be improved under the action of the second extension part, so as to avoid the breakage of the connecting part connected with the second connecting ring.

[0009] In a possible implementation, the top and bottom of the connecting part connected with the first connecting ring are formed into first fillet surfaces, and the two ends of the first fillet surfaces extend to one of the first extension parts, respectively. After the structure is adopted, the structural strength of the connecting part connected with the first connecting ring can be further improved under the action of the first fillet surface, so as to avoid the breakage of the connecting part connected with the first connecting ring.

[0010] In a possible implementation, the top and bottom of the connecting rod part and the second connecting ring are connected to form a second fillet surface, and two ends of the second fillet surface extend to one of the second extension parts; after the structure is used, the structural strength of the connecting rod part and the second connecting ring is further improved under the action of the second fillet surface, so as to avoid the fracture of the connecting rod part and the second connecting ring. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a schematic view of a cross-sectional structure of a first bearing and a second bearing and a connecting rod body after assembly;

[0012] Fig. 2 is a schematic view of a structure after magnification at A in Fig. 1;

[0013] Fig. 3 is a schematic view of a structure after magnification at B in Fig. 1;

[0014] Fig. 4 is a schematic view of a three-dimensional structure of a connecting rod body. DETAILED DESCRIPTION

[0015] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed to adapt to specific application occasions.

[0016] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0017] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0018] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0019] Referring to Figs. 1-4, the embodiment of the present application discloses a compressor connecting rod, comprising a connecting rod body 1, one end of the connecting rod body 1 is provided with a first connecting ring 11 for rotating connection with a pin shaft on a piston, the other end of the connecting rod body 1 is provided with a second connecting ring 12 for rotating connection with an eccentric shaft on a driving component; the inside of the first connecting ring 11 is axially embedded with a first bearing 2, the first bearing 2 is used for matching between the first connecting ring 11 and the pin shaft on the piston; the inside of the second connecting ring 12 is axially embedded with a second bearing 3, the second bearing 3 is used for matching between the second connecting ring 12 and the eccentric shaft on the driving component.

[0020] The inner wall of the first connecting ring 11 is provided with a first annular groove 111, the inner end of the first bearing 2 abuts on the inner end of the first annular groove 111, the inner wall of the outer end of the first annular groove 111 is provided with a first annular clamping groove 112, the first annular clamping groove 112 is clamped with a first clamping spring 4, the outer end of the first bearing 2 abuts on the first clamping spring 4; after adopting this structure, since the inner end of the first bearing abuts on the inner end of the first annular groove, and the outer end of the first bearing abuts on the first clamping spring, the first bearing can be reliably axially limited in the inside of the first connecting ring.

[0021] The inner wall of the second connecting ring 12 is provided with a second annular groove 121, the inner end of the second bearing 3 abuts on the inner end of the second annular groove 121, the inner wall of the outer end of the second annular groove 121 is provided with a second annular clamping groove 122, the second annular clamping groove 122 is clamped with a second clamping spring 5, the outer end of the second bearing 3 abuts on the second clamping spring 5; after adopting this structure, since the inner end of the second bearing abuts on the inner end of the second annular groove, and the outer end of the second bearing abuts on the second clamping spring, the second bearing can be reliably axially limited in the inside of the second connecting ring.

[0022] The connecting rod body 1 further comprises a connecting rod part 13, both ends of the connecting rod part 13 are connected with the outer wall of the first connecting ring 11 and the outer wall of the second connecting ring 12 respectively; both sides of the connecting part 13 at the connecting position with the first connecting ring 11 are provided with first extension parts 131 extending towards the circumferential direction of the first connecting ring 11, both sides of the connecting part 13 at the connecting position with the second connecting ring 12 are provided with second extension parts 132 extending towards the circumferential direction of the second connecting ring 12; after adopting this structure, under the action of the first extension part, the structural strength of the connecting part at the connecting position with the first connecting ring can be improved, so as to avoid the breakage of the connecting part at the connecting position with the first connecting ring; similarly, under the action of the second extension part, the structural strength of the connecting part at the connecting position with the second connecting ring can be improved, so as to avoid the breakage of the connecting part at the connecting position with the second connecting ring.

[0023] The top and bottom of the connecting rod part 13 and the first connecting ring 11 are connected to form a first fillet surface 133, and the two ends of the first fillet surface 133 extend to one of the first extension parts 131 respectively; after adopting this structure, the structural strength of the connecting rod part and the first connecting ring at the connection position can be further improved under the action of the first fillet surface, so as to avoid the breakage of the connection position of the connecting rod part and the first connecting ring.

[0024] The top and bottom of the connecting rod part 13 and the second connecting ring 12 are connected to form a second fillet surface 134, and the two ends of the second fillet surface 134 extend to one of the second extension parts 132 respectively; after adopting this structure, the structural strength of the connecting rod part and the second connecting ring at the connection position can be further improved under the action of the second fillet surface, so as to avoid the breakage of the connection position of the connecting rod part and the second connecting ring.

[0025] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A compressor connecting rod, comprising a connecting rod body (1), wherein one end of the connecting rod body (1) is provided with a first connecting ring (11) for rotatably connecting with a pin on a piston, and the other end of the connecting rod body (1) is provided with a second connecting ring (12) for rotatably connecting with an eccentric shaft on a drive component; characterized in that: The first connecting ring (11) has a first bearing (2) embedded in its interior axially, which is used to cooperate between the first connecting ring (11) and the pin on the piston; the second connecting ring (12) has a second bearing (3) embedded in its interior axially, which is used to cooperate between the second connecting ring (12) and the eccentric shaft on the drive component.

2. The compressor connecting rod according to claim 1, characterized in that: The inner wall of the first connecting ring (11) is provided with a first annular groove (111), the inner end of the first bearing (2) abuts against the inner end of the first annular groove (111), the inner wall of the outer end of the first annular groove (111) is provided with a first annular slot (112), a first snap ring (4) is fitted on the first annular slot (112), and the outer end of the first bearing (2) abuts against the first snap ring (4).

3. The compressor connecting rod according to claim 1, characterized in that: The inner wall of the second connecting ring (12) is provided with a second annular groove (121), the inner end of the second bearing (3) abuts against the inner end of the second annular groove (121), the inner wall of the outer end of the second annular groove (121) is provided with a second annular groove (122), a second snap ring (5) is fitted on the second annular groove (122), and the outer end of the second bearing (3) abuts against the second snap ring (5).

4. The compressor connecting rod according to any one of claims 1-3, characterized in that: The connecting rod body (1) also includes a connecting rod portion (13), the two ends of which are connected to the outer wall of the first connecting ring (11) and the outer wall of the second connecting ring (12) respectively; a first extension portion (131) extending in the circumferential direction of the first connecting ring (11) is provided on both sides of the connection between the connecting rod portion (13) and the first connecting ring (11), and a second extension portion (132) extending in the circumferential direction of the second connecting ring (12) is provided on both sides of the connection between the connecting rod portion (13) and the second connecting ring (12).

5. The compressor connecting rod according to claim 4, characterized in that: The top and bottom of the connection between the connecting rod (13) and the first connecting ring (11) are both formed with a first rounded corner surface (133), and the two ends of the first rounded corner surface (133) extend to one of the first extensions (131).

6. The compressor connecting rod according to claim 4, characterized in that: The top and bottom of the connection between the connecting rod (13) and the second connecting ring (12) are both formed with a second rounded corner surface (134), and the two ends of the second rounded corner surface (134) extend to one of the second extensions (132).

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