CN220551371U

CN220551371U - Connecting rod

Info

Publication number: CN220551371U
Application number: CN202321965649.8U
Authority: CN
Inventors: 范奕男; 张义杰; 尤宗杰; 李翃; 吴龙涛; 孙晴; 张磊
Original assignee: Wuxi Yuanxin Machinery Technology Co ltd
Current assignee: Wuxi Yuanxin Machinery Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-03-01
Anticipated expiration: 2033-07-25

Abstract

The utility model relates to a connecting rod, which comprises a rod body, wherein a connector is arranged at the top of the rod body, and a fixing assembly is arranged at the bottom of the rod body; the fixed subassembly includes connecting portion, lower connecting portion, go up connecting ring and two fastening bolt, go up connecting portion and body of rod fixed connection, the semicircle groove has all been seted up to one side that connecting portion and lower connecting portion are relative, the externally mounted of connecting ring has the bulge loop, bulge loop and semicircle groove assorted, the arc wall has all been seted up to the top and the bottom of bulge loop, two the arc piece is all installed to the inside of semicircle wall, the arc piece joint is in the inside of arc wall. This connecting rod, when need changing the go-between, through taking out fastening bolt to make both sides reinforcing plate take off, afterwards alright opposite direction remove connecting portion and lower connecting portion, make the arc piece take out from the arc inslot, and make locating piece and constant head tank separation, alright dismantle the go-between, thereby only need change the junction, reduced use cost.

Description

Connecting rod

Technical Field

The utility model relates to the technical field of connecting rods, in particular to a connecting rod.

Background

The connecting rod is connected with the piston and the crankshaft, transmits acting force borne by the piston to the crankshaft, converts reciprocating motion of the piston into rotary motion of the crankshaft, and the connecting rod group bears gas acting force transmitted by the piston pin, swinging of the connecting rod group and reciprocating inertial force of the piston group, wherein the magnitudes and directions of the forces are periodically changed.

According to Chinese patent publication No. CN211975333U, a connecting rod comprises a rod body, a big head and a small head which are respectively arranged at two ends of the rod body, wherein a first shaft hole matched with a crankshaft is arranged in the big head, a second shaft hole matched with a piston pin is arranged in the small head, a first oil guide groove is arranged on the circumferential surface of the big head and is used for conveying lubricating oil to the first shaft hole, and a first oil storage groove used for storing the lubricating oil is arranged on the inner wall of the big head; a second oil guide groove is formed in the circumferential surface of the small head part and used for conveying the lubricating oil to the second shaft hole, and a second oil storage groove used for storing the lubricating oil is formed in the inner wall of the small head part;

in the use process, the connecting rod is integrally formed, and after long-term use, the connecting part of the connecting rod is greatly damaged by friction, so that the connecting rod is easy to break, the whole connecting rod is required to be replaced, and the use cost is increased, so that the connecting rod is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a connecting rod which has the advantages of being convenient for replacing damaged connecting parts and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the connecting rod comprises a rod body, wherein a connector is arranged at the top of the rod body, and a fixing assembly is arranged at the bottom of the rod body.

The fixed subassembly includes connecting portion, lower connecting portion, go up connecting ring and two fastening bolt, go up connecting portion and body of rod fixed connection, the semicircle groove has all been seted up to the opposite one side of upper connecting portion and lower connecting portion, the externally mounted of connecting ring has the bulge loop, bulge loop and semicircle groove assorted, the arc wall has all been seted up to the top and the bottom of bulge loop, two the arc piece is all installed to the inside of semicircle wall, the arc piece joint is in the inside of arc wall, the left and right sides of upper connecting portion all is fixed with the reinforcing plate through fastening bolt, two the connecting blocks are all installed to the opposite one side of reinforcing plate, the spread groove has all been seted up to the left and right sides of upper connecting portion and lower connecting portion, spread groove and connecting block assorted.

Further, the inside of connector has seted up the shaft hole, the inside of connector just has seted up three first oil guide groove on the inner wall in shaft hole.

Further, three second oil guide grooves are formed in the inner wall of the connecting ring, and the three oil guide grooves are distributed around the connecting ring at equal intervals.

Further, the locating blocks are arranged on the left side and the right side of the bottom of the upper connecting portion, locating grooves are formed in the left side and the right side of the top of the lower connecting portion, and the locating blocks are clamped in the locating grooves.

Further, the upper connecting part, the rod body and the connector are of an integrated structure.

Further, the two reinforcing plates are distributed symmetrically left and right, and the fastening bolts are in threaded connection with the upper connecting portion and the reinforcing plates.

Further, the shape of the convex ring is a circular ring shape, and the thickness of the convex ring is smaller than that of the connecting ring.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this connecting rod through setting up fixed subassembly, when needs change the go-between, through taking out fastening bolt to make both sides reinforcing plate take off, afterwards alright opposite direction remove connecting portion and lower connecting portion, make the arc piece take out from the arc inslot, and make locating piece and constant head tank separation, alright dismantle the go-between, thereby only need change the junction, reduced use cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the structural attachment ring of the present utility model;

fig. 3 is a front view of the structural attachment ring of the present utility model.

In the figure: 1. a rod body; 2. a connector; 3. a first oil guide groove; 4. a shaft hole; 5. an arc-shaped block; 6. an upper connection part; 7. a connecting block; 8. a reinforcing plate; 9. a fastening bolt; 10. a positioning groove; 11. a positioning block; 12. a connecting groove; 13. a lower connecting part; 14. a semicircular groove; 15. a convex ring; 16. a connecting ring; 17. an arc-shaped groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1-3, a connecting rod in this embodiment includes a rod body 1, a connector 2 is mounted on the top of the rod body 1, and a fixing component is mounted on the bottom of the rod body 1.

The fixed subassembly includes connecting portion 6, lower connecting portion 13, go-between 16 and two fastening bolt 9, upper connecting portion 6, body of rod 1 and connector 2 are integrated into one piece structure, upper connecting portion 6 and body of rod 1 fixed connection, half slot 14 has all been seted up to the opposite one side of upper connecting portion 6 and lower connecting portion 13, bulge loop 15 is installed to the externally mounted of go-between 16, bulge loop 15 and half slot 14 assorted, arc wall 17 has all been seted up to the top and the bottom of bulge loop 15, arc piece 5 is all installed to the inside of two half slots 14, arc piece 5 joint is in the inside of arc wall 17, the reinforcing plate 8 is all fixed with through fastening bolt 9 in the left and right sides of upper connecting portion 6, two connecting blocks 7 are all installed to the opposite one side of two reinforcing plates 8, connecting slot 12 has all been seted up to the left and right sides of upper connecting portion 6 and lower connecting portion 13, connecting slot 12 and connecting block 7 assorted, two reinforcing plate 8 bilateral symmetry distributes, fastening bolt 9 and upper connecting portion 6 and reinforcing plate 8 are threaded connection.

The connecting ring 16 can be detached by rotating the two fastening bolts 9 to separate the fastening bolts 9 from the upper connecting portion 6, then detaching the reinforcing plate 8, and then moving the upper connecting portion 6 and the lower connecting portion 13 in the opposite direction to separate them.

In this embodiment, the left and right sides of the bottom of the upper connecting portion 6 are all provided with positioning blocks 11, the left and right sides of the top of the lower connecting portion 13 are all provided with positioning grooves 10, the positioning blocks 11 are clamped inside the positioning grooves 10, and the upper connecting portion 6 and the lower connecting portion 13 are convenient to connect through the arrangement of the positioning blocks 11 and the positioning grooves 10, so that the positioning effect is achieved.

It should be noted that, the arc-shaped block 5 is clamped in the arc-shaped groove 17 to play a role in limiting the connecting ring 16.

Embodiment two: referring to fig. 1, on the basis of the first embodiment, a shaft hole 4 is formed in the connector 2, three first oil guiding grooves 3 are formed in the connector 2 and located on the inner wall of the shaft hole 4, three second oil guiding grooves are formed in the inner wall of the connecting ring 16, and the three oil guiding grooves are distributed around the same distance.

The lubricating oil is conveniently introduced through the first oil guiding groove and the second oil guiding groove.

In this embodiment, the shape of the convex ring 15 is a circular ring, and the thickness of the convex ring 15 is smaller than that of the connecting ring 16.

The working principle of the embodiment is as follows: when the connecting rod is damaged and needs to be replaced due to long-term use, the two fastening bolts 9 are rotated to separate the fastening bolts 9 from the upper connecting part 6, then the reinforcing plate 8 can be detached, the upper connecting part 6 and the lower connecting part 13 are moved in opposite directions, the arc-shaped block 5 is pulled out of the arc-shaped groove 17, the positioning block 11 is separated from the positioning groove 10, the convex ring 15 can be taken out of the semicircular groove 14, and the connecting ring 16 is detached, so that only the damaged connecting part can be replaced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A connecting rod, comprising a rod body (1), characterized in that: the top of the rod body (1) is provided with a connector (2), and the bottom of the rod body (1) is provided with a fixing component;

the utility model provides a fixed subassembly includes connecting portion (6), lower connecting portion (13), go up connecting ring (16) and two fastening bolt (9), go up connecting portion (6) and body of rod (1) fixed connection, half slot (14) have all been seted up to one side that connecting portion (6) and lower connecting portion (13) are relative, the externally mounted of connecting ring (16) has bulge loop (15), bulge loop (15) and half slot (14) assorted, arc wall (17) have all been seted up to the top and the bottom of bulge loop (15), two arc piece (5) are all installed to the inside of half slot (14), arc piece (5) joint is in the inside of arc wall (17), the left and right sides of going up connecting portion (6) all is fixed with reinforcing plate (8) through fastening bolt (9), two connecting portion (12) are all seted up on the left and right sides of reinforcing plate (8) relative, connecting portion (6) and connecting portion (13) are all seted up with connecting block (12).

2. A connecting rod as defined in claim 1, wherein: the inside of connector (2) has offered shaft hole (4), the inside of connector (2) just is located and has offered three first oil groove (3) on the inner wall in shaft hole (4).

3. A connecting rod as defined in claim 1, wherein: three second oil guide grooves are formed in the inner wall of the connecting ring (16), and the three oil guide grooves are distributed around the connecting ring at equal intervals.

4. A connecting rod as defined in claim 1, wherein: the left and right sides of upper connecting portion (6) bottom all installs locating piece (11), constant head tank (10) have all been seted up to the left and right sides at lower connecting portion (13) top, locating piece (11) joint is in the inside of constant head tank (10).

5. A connecting rod as defined in claim 1, wherein: the upper connecting part (6), the rod body (1) and the connector (2) are of an integrated structure.

6. A connecting rod as defined in claim 1, wherein: the two reinforcing plates (8) are distributed symmetrically left and right, and the fastening bolts (9) are in threaded connection with the upper connecting part (6) and the reinforcing plates (8).

7. A connecting rod as defined in claim 1, wherein: the shape of the convex ring (15) is circular, and the thickness of the convex ring (15) is smaller than that of the connecting ring (16).