CN218953800U

CN218953800U - Split type crankshaft connecting rod mechanism

Info

Publication number: CN218953800U
Application number: CN202223168509.6U
Authority: CN
Inventors: 张军粱; 干永良
Original assignee: Anhui Yiheng Machinery Co ltd
Current assignee: Anhui Yiheng Machinery Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-02
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a split type crankshaft connecting rod mechanism, which relates to the technical field of crankshaft connecting rods and comprises a connecting rod and a lubrication mechanism, wherein an extension rod is welded at the top end of the connecting rod, a round hole is formed in the extension rod, side plates are arranged on the left side and the right side of the extension rod, threaded holes are formed in the side plates, threaded rings are arranged on the outer sides of the left end and the right end of an inserting rod, and the lubrication mechanism is positioned in the top end of the extension rod. According to the utility model, through the arrangement of the round holes and the threaded holes, the inserted link smoothly passes through the two side plates and the extension rod, the inserted link is in threaded connection with the side plates, the inserted link is fixed in position, the extension rod and the inserted link can rotate relatively, the swinging amplitude of the connecting rod can be counteracted through the rotation adjustment of the extension rod, the effect of stable lifting of the piston is achieved, and the inserted link is assembled on the side plates in a threaded connection mode, so that the connecting rod and the piston can be separated only by disassembling the inserted link, and the assembly is convenient and quick.

Description

Split type crankshaft connecting rod mechanism

Technical Field

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

Background

The crank and connecting rod mechanism is the main motion mechanism of the engine. The reciprocating motion of the piston is converted into the rotary motion of the crankshaft, and meanwhile, the force acting on the piston is converted into the torque output by the crankshaft to the outside so as to drive the wheels of the automobile to rotate. The crank connecting rod mechanism consists of a piston group, a connecting rod group, a crankshaft, a flywheel group and other parts, the lower part of the connecting rod is connected with the crankshaft, the upper end of the connecting rod is connected with the piston, and the upper end of the connecting rod needs to move when being connected with the piston because the connecting rod swings to a large extent during working.

The assembly between the existing connecting rod and the piston rod is inconvenient and quick enough, the top end of the connecting rod is usually stretched into the piston rod, so that the assembly difficulty of the connecting rod and the piston rod is increased, the connecting rod needs to offset the swing amplitude of the connecting rod through rotation adjustment, and therefore the piston is enabled to stably lift, but the connecting part of the connecting rod and the piston rod is enabled to be too dry through frequent rotation, the rotation difficulty of the connecting rod is increased, the flexibility between the connecting rod and the piston rod is reduced, the stable lifting of the piston rod is not facilitated, and therefore a split type crankshaft connecting rod mechanism is urgently needed.

Disclosure of Invention

Based on the above, the utility model aims to provide a split type crankshaft connecting rod mechanism, so as to solve the problems that the assembly between the existing connecting rod and the piston rod is inconvenient and quick, the top end of the connecting rod is usually extended into the piston rod, the assembly difficulty of the connecting rod and the piston rod is increased, the connecting rod needs to offset the swing amplitude of the connecting rod through rotation adjustment, and therefore the piston stably lifts, but the connecting part of the connecting rod and the piston rod is excessively dry due to frequent rotation, the rotation difficulty of the connecting rod is increased, the flexibility between the connecting rod and the piston rod is reduced, and the stable lifting of the piston rod is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a split type bent axle link mechanism, includes connecting rod and lubricated mechanism, the top welding of connecting rod has the extension rod, and the inside of extension rod has seted up the round hole, the left side both sides of extension rod all are provided with the curb plate, and the top integration of curb plate is connected with the piston, threaded hole is seted up to the inside of curb plate, and the inside of threaded hole runs through there is the inserted bar, both ends outside is equipped with the screw thread circle about the inserted bar, and screw thread circle's outside has connect the nut soon, lubricated mechanism is located the inside top of extension rod.

Preferably, the extension rod is installed between two side plates, the inserted bar penetrates through the extension rod through the round hole, and the central axis of the extension rod and the central axis of the connecting rod are located on the same horizontal line.

Preferably, the inserted bar is in threaded connection with the threaded holes in the side plates through threaded rings at the left end and the right end, and the inserted bar sequentially penetrates through the two side plates through the threaded holes.

Preferably, the two nuts are arranged in total, and the two nuts are connected to the left end and the right end of the inserted link through thread rings in a threaded mode.

Preferably, the lubrication mechanism comprises a lubrication oil duct, a sealing plug, a pull ring, a rubber sleeve and a rope, wherein the sealing plug is inserted into the lubrication oil duct, the pull ring is integrally arranged on the upper surface of the sealing plug, the rubber sleeve is covered on the outer side of the pull ring, and the pull ring is connected to the upper surface of the extension rod through the rope.

Preferably, the section of the sealing plug is of a T-shaped structure, the outer surface of the lower end of the sealing plug is attached to the inner wall of the lubricating oil duct, and the lower end of the lubricating oil duct is connected with the round hole.

Preferably, the left and right sides of round hole all is provided with the oil seal, and the oil seal is provided with two altogether to the inside diameter of oil seal equals with the outside diameter of inserted bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the round holes and the threaded holes, the inserted link smoothly passes through the two side plates and the extension rod, the inserted link is in threaded connection with the side plates, the positions of the inserted link are fixed, the extension rod and the inserted link can relatively rotate, the swinging amplitude of the connecting rod can be counteracted through the rotation adjustment of the extension rod, the effect of stable lifting of the piston is achieved, and the inserted link is assembled on the side plates in a threaded connection mode, so that the connecting rod and the piston can be separated only by disassembling the inserted link, and the assembly is convenient and quick;

2. the utility model is provided with the lubricating mechanism, the lower end of the lubricating oil duct is connected with the round hole, the sealing plug is taken out from the lubricating oil duct, then lubricating oil is injected into the lubricating oil duct, and the lubricating oil flows into the round hole along the lubricating oil duct, so that the friction force between the extension rod and the inserted rod is reduced, and the extension rod can flexibly rotate;

3. according to the utility model, the oil seal rings are arranged at the left side and the right side of the round hole, the edges of the round hole can be blocked by the oil seal rings, lubricating oil added into the round hole can be prevented from leaking out from the two ends by the arrangement of the oil seal rings, and the lubricating effect between the extension rod and the inserting rod is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a lubrication mechanism according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a connecting rod; 2. an extension rod; 3. a round hole; 4. a side plate; 5. a piston; 6. a threaded hole; 7. a rod; 8. a thread ring; 9. a nut; 10. a lubrication mechanism; 1001. a lubrication oil passage; 1002. a sealing plug; 1003. a pull ring; 1004. a rubber sleeve; 1005. a rope; 11. an oil seal ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1-4, a split type crankshaft connecting rod mechanism comprises a connecting rod 1 and a lubricating mechanism 10, wherein an extension rod 2 is welded at the top end of the connecting rod 1, a round hole 3 is formed in the extension rod 2, side plates 4 are arranged on the left side and the right side of the extension rod 2, a piston 5 is integrally connected to the top end of each side plate 4, a threaded hole 6 is formed in the side plate 4, an inserting rod 7 penetrates through the threaded hole 6, the extension rod 2 is arranged between the two side plates 4, the inserting rod 7 penetrates through the extension rod 2 through the round hole 3, the central axis of the extension rod 2 and the central axis of the connecting rod 1 are positioned on the same horizontal line, the extension rod 2 is pushed upwards until the extension rod 2 is positioned between the two side plates 4, the round hole 3 is flush with the threaded hole 6, the inserting rod 7 smoothly penetrates through the two side plates 4 and the extension rod 2 through the arrangement of the round hole 3 and the threaded hole 6, the outside of the left end and the right end of the inserted link 7 are provided with screw rings 8, the outsides of the screw rings 8 are screwed with nuts 9, the inserted link 7 is in threaded connection with the threaded holes 6 in the side plates 4 through the screw rings 8 at the left end and the right end, the inserted link 7 sequentially passes through the two side plates 4 through the threaded holes 6, the inserted link 7 and the side plates 4 are in threaded connection, the position of the inserted link 7 is fixed, the inserted link 7 and the extension link 2 are sleeved, therefore, the extension link 2 and the inserted link 7 can relatively rotate, the piston 5 stably rises and falls through the movable adjustment of the extension link 2, the nuts 9 are provided with two, the two nuts 9 are in threaded connection with the left end and the right end of the inserted link 7 through the screw rings 8, the nuts 9 are used for reinforcing the connection strength of the side plates 4 and the inserted link 7, the inserted link 7 is further fixed, in addition, the assembly of the inserted link 7 is convenient, the nuts 9 are only required to be screwed down anticlockwise, the inserted link 7 is rotated out of the side plate 4, a cross-shaped flower knife is arranged on the right end face of the inserted link 7, the inserted link 7 is convenient to take down, and after the inserted link 7 is taken down, the connecting rod 1 is separated from the piston 5;

the lubricating mechanism 10 is located inside the top of extension rod 2, lubricating mechanism 10 includes lubricating oil duct 1001, sealing plug 1002, pull ring 1003, rubber sleeve 1004 and rope 1005, sealing plug 1002 has been inserted to lubricating oil duct 1001's inside, and sealing plug 1002's upper surface integration is provided with pull ring 1003, the outside of pull ring 1003 is covered with rubber sleeve 1004, and pull ring 1003 passes through rope 1005 and connects in extension rod 2 upper surface, lubricate the junction of inserted bar 7 and extension rod 2 through lubricating mechanism 10, cause wearing and tearing when avoiding extension rod 2 frequent rotation, and flow lubricating oil in round hole 3, can reduce the resistance that extension rod 2 received when rotating, make extension rod 2 more nimble when rotating, sealing plug 1002's section sets up to "T" font structure, and sealing plug 1002's lower extreme surface and lubricating oil duct 1001's inner wall laminating mutually, and lubricating oil duct 1001's lower extreme is connected with round hole 3, lubricating oil passes through lubricating oil duct 1001 and falls in round hole 3, after the lubrication, sealing plug 1002 is used for sealing lubricating oil duct 1001, both sides of round hole 3 all are provided with oil seal 11, and oil seal 11 altogether have been provided with, and seal 11 have and the diameter is equal to seal 7 inside diameter and the inside 7 can be equal from the inside diameter of extension rod 2, seal diameter is equal to the diameter of extension rod 7, seal diameter is increased, and diameter between the inside and the inside of extension rod is prevented.

Working principle: firstly, promote extension rod 2 upwards, until extension rod 2 is located between two curb plates 4, make round hole 3 and screw hole 6 position parallel and level, afterwards, through the setting of inserted bar 7 through screw hole 6 and round hole 3, make inserted bar 7 pass two curb plates 4 and extension rod 2 smoothly, because inserted bar 7 and curb plate 4 threaded connection, consequently inserted bar 7 and curb plate 4 are fixed and immovable, through connect two nuts 9 soon at the left and right sides of inserted bar 7, can strengthen the joint strength of curb plate 4 and inserted bar 7, further fixed inserted bar 7, round hole 3 inner wall is smooth, inserted bar 7 runs through extension rod 2 top through round hole 3, extension rod 2 can rotate for inserted bar 7, make connecting rod 1 even though the swing range is great, also can keep the steady lift of piston 5 through the movable adjustment of extension rod 2, the equipment of inserted bar 7 is convenient in the device, only need anticlockwise with nut 9 unscrew again with inserted bar 7 from curb plate 4 can, after inserted bar 7 is taken down, connecting rod 1 can separate with piston 5, can rotate by the left and right sides, can strengthen the joint strength of curb plate 4, can protect from the shock and fill in the cylinder 1002, can be used for the lubrication plug 1002, can be reduced by the flexible plug 1002, can be prevented from the lubrication plug 1002 from being lost in the volume, can be used for the lubrication plug 1002, the lubrication plug 1002 is lost in the volume is lost, can be reduced by the lubrication plug 1002, can be used for the lubrication plug 1002 is lost in the lubrication plug, can be reduced, and can be used for the lubrication plug 1002 is lost in the volume is avoided, and is lost.

What is not described in detail in this specification is prior art known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a split type bent axle link mechanism, includes connecting rod (1) and lubricated mechanism (10), its characterized in that: the novel hydraulic oil well drilling machine is characterized in that an extension rod (2) is welded at the top end of the connecting rod (1), a round hole (3) is formed in the extension rod (2), side plates (4) are arranged on the left side and the right side of the extension rod (2), a piston (5) is integrally connected to the top end of each side plate (4), a threaded hole (6) is formed in the side plate (4), an inserting rod (7) penetrates through the threaded hole (6), threaded rings (8) are arranged on the outer sides of the left end and the right end of the inserting rod (7), nuts (9) are screwed on the outer sides of the threaded rings (8), and a lubricating mechanism (10) is located inside the top end of the extension rod (2).

2. A split crankshaft connecting rod mechanism according to claim 1, wherein: the extension rod (2) is arranged between the two side plates (4), the inserting rod (7) penetrates through the extension rod (2) through the round hole (3), and the central axis of the extension rod (2) and the central axis of the connecting rod (1) are positioned on the same horizontal line.

3. A split crankshaft connecting rod mechanism according to claim 1, wherein: the inserted link (7) is in threaded connection with the threaded holes (6) in the side plates (4) through threaded rings (8) at the left end and the right end, and the inserted link (7) sequentially penetrates through the two side plates (4) through the threaded holes (6).

4. A split crankshaft connecting rod mechanism according to claim 1, wherein: the two nuts (9) are arranged in total, and the two nuts (9) are connected to the left end and the right end of the inserted link (7) through screw rings (8) in a threaded mode.

5. A split crankshaft connecting rod mechanism according to claim 1, wherein: the lubricating mechanism (10) comprises a lubricating oil duct (1001), a sealing plug (1002), a pull ring (1003), a rubber sleeve (1004) and a rope (1005), wherein the sealing plug (1002) is inserted into the lubricating oil duct (1001), the pull ring (1003) is integrally arranged on the upper surface of the sealing plug (1002), the rubber sleeve (1004) is covered on the outer side of the pull ring (1003), and the pull ring (1003) is connected to the upper surface of the extension rod (2) through the rope (1005).

6. A split crankshaft connecting rod mechanism according to claim 5, wherein: the section of the sealing plug (1002) is of a T-shaped structure, the outer surface of the lower end of the sealing plug (1002) is attached to the inner wall of the lubricating oil duct (1001), and the lower end of the lubricating oil duct (1001) is connected with the round hole (3).

7. A split crankshaft connecting rod mechanism according to claim 1, wherein: the left side and the right side of round hole (3) all are provided with oil seal ring (11), and oil seal ring (11) are provided with two altogether to the inside diameter of oil seal ring (11) equals with the outside diameter of inserted bar (7).