CN216950754U

CN216950754U - Durable air compressor machine connecting rod

Info

Publication number: CN216950754U
Application number: CN202122655659.9U
Authority: CN
Inventors: 王耀辉; 毛尔斌; 黄富炎; 毛宋燕; 徐银军
Original assignee: Shaoxing Jiada Machinery Manufacturing Co ltd
Current assignee: Shaoxing Jiada Machinery Manufacturing Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-07-12
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a durable air compressor connecting rod, which comprises a rod piece, a small end hole, a large end hole and an oil guide groove, wherein the small end hole is formed in the rod piece; the oil guide grooves are communicated through column holes; the middle part of the column hole is communicated with the mounting hole through an injection hole; a communicating vessel is arranged in the mounting hole; an oil ejector is arranged outside the mounting hole; the communicating device comprises a communicating block, a rotating block and a first spring; a polygonal surface is arranged on the outer side of the communicating block; a passage is arranged in the communicating block; one end of the communicating block is provided with a hollow block; one end of the rotating block is provided with a push rod; one end of the push rod is provided with a sealing block; the utility model stores lubricating oil through the oil guide groove, thereby ensuring smooth movement between the connecting rod and the crankshaft or the piston connected with the connecting rod, and enabling the connecting rod to be durable; the oil injector and the communicating vessel are arranged to facilitate the injection of lubricating oil without disassembling the connecting rod; the hollow block is arranged to seal the injection hole, so that the waste of lubricating oil in the column hole is avoided.

Description

Durable air compressor machine connecting rod

Technical Field

The utility model belongs to the technical field of air compressor connecting rods, and particularly relates to a durable air compressor connecting rod.

Background

On an air compressor, a connecting rod is generally used for connecting a crankshaft and a piston; when the crankshaft is in a high-speed operation state and the lubrication of the connecting rod cannot be kept up to after long-term use, the connecting part between the connecting rod and the crankshaft or the piston is seriously abraded, and the service life of the connecting rod is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a durable connecting rod of an air compressor, aiming at overcoming the defects of the prior art.

The technical scheme provided by the utility model is as follows: a durable air compressor connecting rod comprises a rod piece, a small end hole arranged at one end of the rod piece, a large end hole arranged at the other end of the rod piece, and oil guide grooves respectively arranged in the small end hole and the large end hole; the oil guide grooves arranged in the large end hole and the small end hole are communicated through the column hole; the middle part of the column hole is communicated with the mounting hole through an injection hole; a communicating vessel is arranged in the mounting hole; an oil injector for introducing lubricating oil into the injection hole is arranged outside the mounting hole; the communicating device comprises a communicating block rotatably connected in the mounting hole, a rotating block sleeved outside the communicating block and a first spring fixed between the rotating block and the communicating block; a polygonal surface is arranged on the outer side of the communicating block; the inner side of the rotating block is attached to the polygonal surface; a passage is arranged in the communicating block; the grease squirt may be inserted into the passageway; one end of the communicating block is provided with a hollow block; one end of the rotating block is provided with a push rod; one end of the push rod is inserted into the hollow blocking block and is provided with a sealing block.

Furthermore, a clamp spring groove is formed in the end part of the mounting hole; a clamp spring is embedded in the clamp spring groove; the surface of the communicating block is provided with a plurality of abutting rods; the supporting rod and the rotating block are in surface contact with the clamp spring; a first limiting groove is formed in the inner side of the clamp spring groove; one end of the first limiting groove is communicated with the first rotating groove; the rotating block is provided with a first limiting block which can move along the first limiting groove.

Furthermore, the oil injector comprises a through pipe with one end inserted into the passage, a sleeve sleeved in the through pipe, a piston rod with one end inserted into the sleeve, an oil storage cavity arranged on the through pipe, and a control element for controlling the rotation of the sleeve; one end of the through pipe is provided with a polygonal block which is in contact with the rotating block; the polygonal block is sleeved outside the polygonal surface; an air hole is formed in one end, far away from the mounting hole, of the sleeve; the through pipe is communicated with the upper part of the oil storage cavity and the air hole through an air pipe; the top of the oil storage cavity is provided with a first one-way valve; the bottom of the oil storage cavity is provided with a second one-way valve; and the pressure plate is connected in the oil storage cavity in a sliding manner.

Further, a through hole is formed in the end of the sleeve; the through hole is positioned right below the second one-way valve; one end of the through pipe, which is close to the mounting hole, is provided with a first through hole; the first through hole may communicate with the through hole; a third one-way valve is arranged in the first through hole; a second through hole is formed in one end, far away from the mounting hole, of the through pipe; the second through hole may communicate with an air hole.

Furthermore, a second rotary groove is formed in the through pipe; the surface of the through pipe is provided with a ring block; a plurality of second limiting grooves are formed in the ring block; the control piece comprises a connecting block arranged on the surface of the sleeve and inserted into the second rotary groove, a sleeve ring arranged outside the connecting block and sleeved on the through pipe, and a rotary ring connected with the sleeve ring through a second spring; a second limiting block is arranged on the rotating ring; the second limiting block can be embedded into the second limiting groove; a plurality of connecting strips are arranged on the lantern ring; the inner side of the rotating ring is provided with connecting grooves which correspond to the connecting strips one to one; the connecting strip is embedded in the connecting groove.

In conclusion, the lubricating oil is stored through the oil guide groove, so that the connecting rod and the crankshaft or the piston connected with the connecting rod can move smoothly, and the connecting rod is durable; the oil injector and the communicating vessel are arranged to facilitate the injection of lubricating oil without disassembling the connecting rod; the hollow block is arranged to seal the injection hole, so that the waste of lubricating oil in the column hole is avoided.

Drawings

Figure 1 is an isometric cross-sectional view of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the communicating vessel in fig. 2.

Fig. 4 is a schematic view of the structure of the oil injector in fig. 1.

Fig. 5 is an isometric cross-sectional view of the fuel injector of fig. 1.

Fig. 6 is an isometric cross-sectional view of the fuel injector of fig. 1 from another perspective.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-6, a durable air compressor connecting rod comprises a rod member 1, a small end hole 11 disposed at one end of the rod member 1, a large end hole 12 disposed at the other end of the rod member 1, and oil guide grooves 13 respectively disposed in the small end hole 11 and the large end hole 12; the oil guide grooves 13 arranged in the large end hole 12 and the small end hole 11 are communicated through a column hole 14; the middle part of the column hole 14 is communicated with a mounting hole 16 through an injection hole 15; the communicating vessel 2 is arranged in the mounting hole 16; an oil injector 3 for introducing lubricating oil into the injection hole 15 is arranged outside the mounting hole 16; the communicating vessel 2 comprises a communicating block 21 rotatably connected in the mounting hole 16, a rotating block 22 sleeved outside the communicating block 21, and a first spring 23 fixed between the rotating block 22 and the communicating block 21; a polygonal surface 211 is arranged on the outer side of the communicating block 21; the inner side of the rotating block 22 is attached to the polygonal surface 211; a passage 212 is arranged in the communication block 21; the lubricator 3 may be inserted into the passage 212; one end of the communicating block 21 is provided with a hollow block 213; one end of the rotating block 22 is provided with a push rod 221; one end of the push rod 221 is inserted into the hollow block 213 and is provided with a sealing block 222.

When the connecting rod is used, the oil injector 3 is inserted into the mounting hole 16, the rotating block 22 is pushed to move, the sealing block 222 moves towards the inside of the hollow block 213, the hollow block 213 is made of deformable rubber, when the sealing block 222 moves, the inside of the hollow block 213 is communicated with the outside, the connecting block 21 is driven to rotate by the oil injector 3 at the moment, the hollow block 213 is separated from the injection hole 15, meanwhile, the passage 212 rotates to be communicated with the injection hole 15, lubricating oil can be injected into the injection hole 15, and the lubricating oil enters the oil guide groove 13 from the column hole 14, so that the connecting rod is lubricated when in work, the abrasion of the connecting rod is reduced, and the service life of the connecting rod is ensured; after the oil injection is finished, the oil injector 3 is utilized to drive the communicating vessel 2 to reversely rotate, and the hollow block 213 is embedded into the injection hole 15 again; after taking out oil squirt 3 from mounting hole 16, first spring 23 drives and changes the piece 22 and reset, and the piece 222 that seals resets in step, makes the inside encapsulated situation that is in of hollow sprue 213, and injection hole 15 is plugged up to hollow sprue 213, avoids lubricating oil to reveal to in guaranteeing the connecting rod course of operation, the consumption of lubricating oil in the oil groove 13 can be supplied to the lubricating oil in the post hole 14, guarantees the stable work of connecting rod.

Further, a clamp spring groove 17 is formed at the end part of the mounting hole 16; a clamp spring 4 is embedded in the clamp spring groove 17; the surface of the communicating block 21 is provided with a plurality of abutting rods 214; the resisting rod 214 and the rotating block 22 are both in surface contact with the clamp spring 4; a first limiting groove 18 is formed in the inner side of the clamp spring groove 17; one end of the first limiting groove 18 is communicated with the first rotating groove 19; the rotating block 22 is provided with a first limiting block 223 capable of moving along the first limiting groove 18.

Through the matching of the clamp spring 4 and the clamp spring groove 17, the communicating vessel 2 is limited so as to be stabilized in the mounting hole 16, when the hollow block 213 is worn, the communicating vessel 2 can be taken out only by taking out the clamp spring 4, the hollow block 213 is convenient to replace, and the clamp spring 4 is purchased from the market; the arrangement of the abutting rod 214 limits the axial movement of the communicating block 21 along the mounting hole 16 so as to ensure the sealing effect of the hollow block 213; the rotation of the rotating block 22 is limited by the cooperation of the first limiting groove 18 and the first limiting block 223, the communicating vessel 2 is prevented from being driven by the oil injector 3 to rotate when the first limiting block 223 is in the first limiting groove 18, the hollow blocking block 213 is enabled to rotate under the condition of being sealed inside, the abrasion of the hollow blocking block 213 is reduced, and the sealing effect of the hollow blocking block 213 on the injection hole 15 is ensured.

Further, the oil injector 3 includes a through pipe 31 with one end inserted into the passage 212, a sleeve 32 sleeved in the through pipe 31, a piston rod 33 with one end inserted into the sleeve 32, an oil storage cavity 34 arranged on the through pipe 31, and a control element 35 for controlling the rotation of the sleeve 32; one end of the through pipe 31 is provided with a polygonal block 311 which is in contact with the rotating block 22; the polygonal block 311 is sleeved outside the polygonal surface 211; an air hole 321 is formed in one end, far away from the mounting hole 16, of the sleeve 32; the through pipe 31 is communicated with the upper part of the oil storage cavity 34 and the air hole 321 through an air pipe 312; a first one-way valve 341 is arranged at the top of the oil storage cavity 34; the bottom of the oil storage cavity 34 is provided with a second one-way valve 342; a pressure plate 343 is slidably connected to the reservoir 34.

During oil injection, the through pipe 31 is inserted into the mounting hole 16, the rotating block 22 is pushed to move to the end part of the first rotating groove 19, meanwhile, the end part of the through pipe 31 is inserted into the through hole 322, and the polygonal block 311 is embedded with the polygonal surface 211, so that the communicating vessel 2 synchronously rotates when the oil injector 3 rotates; the piston rod 33 is pushed to slide in the sleeve 32, the first one-way valve 341 is opened, the second one-way valve 342 is closed, so that the lubricating oil in the sleeve 32 is injected into the inlet passage 212, and the lubricating oil is injected into the oil guide groove 13 and the column hole 14; after the piston rod 33 moves to the end of the stroke, the piston rod 33 is pulled to reset, the first one-way valve 341 is closed, the second one-way valve 342 is opened, the pressure change in the oil storage cavity 34 pushes the pressing plate 343 to move, and the lubricating oil in the oil storage cavity 34 is injected into the sleeve 32 to prepare for next oil injection.

Further, the end of the sleeve is provided with a through hole 322; the through hole 322 is positioned right below the second check valve 342; one end of the through pipe 31 close to the mounting hole 16 is provided with a first through hole 313; the first through hole 313 may communicate with the through hole 322; a third one-way valve 314 is arranged in the first through hole 313; a second through hole 315 is formed at one end of the through pipe 31 far away from the mounting hole 16; the second through hole 315 may communicate with the air hole 321.

When the connecting rod is used, lubricating oil in the oil guide groove 13 and the column hole 14 is gradually deteriorated due to heating of the connecting rod, and the lubricating oil needs to be cleaned during maintenance, at the moment, before oil injection, the oil injector 3 is inserted into the mounting hole 16 and rotates, the piston rod 33 is rotated to enable the through hole 322 to rotate to be opposite to the first through hole 313, the air hole 321 is opposite to the second through hole 315, the oil storage cavity 34 is isolated from the interior of the sleeve 32, and at the moment, air in the sleeve 32 can be injected into the column hole 14 by pushing the piston rod 33, so that the deteriorated lubricating oil in the column hole 14 and the oil guide groove 13 can be drained; the first through hole 313 can be a container for storing cleaning fluid such as gasoline and the like from the outside so as to improve the cleaning effect on the column hole 14; after cleaning, the piston rod 33 is reversed to enable the bottom of the oil storage cavity 34 to be opposite to the through hole 322, and at the moment, the piston rod 33 is pulled to reset, so that lubricating oil in the oil storage cavity 34 can be injected into the sleeve 32 to prepare for oil injection.

Further, a second rotary groove 316 is arranged on the through pipe 31; the surface of the through pipe 31 is provided with a ring block 317; a plurality of second limiting grooves 318 are formed in the ring block 317; the control member 35 comprises a connecting block 351 which is arranged on the surface of the sleeve 32 and is inserted into the second rotating groove 316, a lantern ring 352 which is arranged outside the connecting block 351 and is sleeved on the through pipe 31, and a rotating ring 353 which is connected with the lantern ring 352 through a second spring; a second limiting block 354 is arranged on the rotating ring 353; the second stopper 354 can be embedded into the second stopper groove 318; a plurality of connecting strips 355 are arranged on the lantern ring 352; the inner side of the rotary ring 353 is provided with connecting grooves 356 corresponding to the connecting strips 355 one to one; the connecting strip 355 fits within the connecting groove 356.

The relative rotation of the sleeve 32 and the through pipe 31 is limited through the matching of the second limit block 354 and the second limit groove 318, so that the oil injection process is continuously and stably carried out; when the sleeve 32 needs to be rotated to clean the column hole 14, the rotating ring 353 is pushed to enable the second limiting block 354 to be separated from the second limiting groove 318 and rotate the rotating ring 353, the sleeve ring 352 rotates under the matching of the connecting groove 356 and the connecting strip 355, the connecting block 351 moves in the second rotating groove 316 and drives the sleeve 32 to rotate relative to the through pipe 31, after the limitation on the rotating ring 353 is released, the second spring drives the rotating ring 353 to reset, the second limiting block 354 is inserted into the adjacent second limiting groove 318, the sleeve 32 is locked again, and therefore the cleaning work is performed stably.

The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. A durable air compressor connecting rod comprises a rod piece (1), a small end hole (11) arranged at one end of the rod piece (1), a large end hole (12) arranged at the other end of the rod piece (1), and oil guide grooves (13) respectively arranged in the small end hole (11) and the large end hole (12); the method is characterized in that: the oil guide grooves (13) arranged in the large end hole (12) and the small end hole (11) are communicated through a column hole (14); the middle part of the column hole (14) is communicated with the mounting hole (16) through an injection hole (15); a communicating vessel (2) is arranged in the mounting hole (16); an oil injector (3) for introducing lubricating oil into the injection hole (15) is arranged outside the mounting hole (16); the communicating vessel (2) comprises a communicating block (21) rotatably connected in the mounting hole (16), a rotating block (22) sleeved outside the communicating block (21), and a first spring (23) fixed between the rotating block (22) and the communicating block (21); a polygonal surface (211) is arranged on the outer side of the communicating block (21); the inner side of the rotating block (22) is attached to the polygonal surface (211); a passage (212) is arranged in the communication block (21); the oil injector (3) is insertable into the passage (212); one end of the communicating block (21) is provided with a hollow block (213); one end of the rotating block (22) is provided with a push rod (221); one end of the push rod (221) is inserted into the hollow block (213) and is provided with a sealing block (222).

2. The durable compressor connecting rod of claim 1, wherein: a clamp spring groove (17) is formed in the end part of the mounting hole (16); a clamp spring (4) is embedded in the clamp spring groove (17); the surface of the communicating block (21) is provided with a plurality of abutting rods (214); the abutting rod (214) and the rotating block (22) are in surface contact with the clamp spring (4); a first limiting groove (18) is formed in the inner side of the clamp spring groove (17); one end of the first limiting groove (18) is communicated with the first rotating groove (19); the rotating block (22) is provided with a first limiting block (223) which can move along the first limiting groove (18).

3. The durable compressor connecting rod of claim 1, wherein: the oil injector (3) comprises a through pipe (31) with one end inserted into the passage (212), a sleeve (32) sleeved in the through pipe (31), a piston rod (33) with one end inserted into the sleeve (32), an oil storage cavity (34) arranged on the through pipe (31), and a control piece (35) used for controlling the sleeve (32) to rotate; one end of the through pipe (31) is provided with a polygonal block (311) which is in contact with the rotating block (22); the polygonal block (311) is sleeved outside the polygonal surface (211); an air hole (321) is formed in one end, far away from the mounting hole (16), of the sleeve (32); the through pipe (31) is communicated with the upper part of the oil storage cavity (34) and the air hole (321) through an air pipe (312); the top of the oil storage cavity (34) is provided with a first one-way valve (341); a second one-way valve (342) is arranged at the bottom of the oil storage cavity (34); and the pressure plate (343) is connected in the oil storage cavity (34) in a sliding way.

4. The durable compressor connecting rod of claim 3, wherein: the end part of the sleeve is provided with a through hole (322); the through hole (322) is positioned right below the second one-way valve (342); one end of the through pipe (31) close to the mounting hole (16) is provided with a first through hole (313); the first through hole (313) may communicate with a through hole (322); a third one-way valve (314) is arranged in the first through hole (313); a second through hole (315) is formed in one end, far away from the mounting hole (16), of the through pipe (31); the second through hole (315) may communicate with an air hole (321).

5. The durable compressor connecting rod of claim 3, wherein: a second rotary groove (316) is arranged on the through pipe (31); the surface of the through pipe (31) is provided with an annular block (317); a plurality of second limiting grooves (318) are formed in the ring block (317); the control part (35) comprises a connecting block (351) which is arranged on the surface of the sleeve (32) and is inserted into the second rotary groove (316), a lantern ring (352) which is arranged on the outer side of the connecting block (351) and is sleeved on the through pipe (31), and a rotary ring (353) which is connected with the lantern ring (352) through a second spring; a second limiting block (354) is arranged on the rotating ring (353); the second limiting block (354) can be embedded into the second limiting groove (318); a plurality of connecting strips (355) are arranged on the lantern ring (352); the inner side of the rotating ring (353) is provided with connecting grooves (356) which correspond to the connecting strips (355) one to one; the connecting strip (355) is embedded in the connecting groove (356).