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CN-224214280-U - Air inlet pipe of single-cylinder diesel engine

CN224214280UCN 224214280 UCN224214280 UCN 224214280UCN-224214280-U

Abstract

The utility model discloses an air inlet pipe of a single-cylinder diesel engine, which comprises a steel pipe, a sleeve, a welded pipe, a first fixing flange, a blind hole flange, a second fixing flange and a connecting flange, wherein one end of the sleeve is inserted into the steel pipe, the sleeve is detachably connected with the steel pipe, the first fixing flange is fixed at the other end of the steel pipe, one end of the first fixing flange is connected with the blind hole flange through a bolt, the second fixing flange is fixed at the other end of the sleeve, one end of the second fixing flange is connected with the connecting flange through a bolt, the welded pipe is fixed on the outer side surface of the steel pipe, and the welded pipe is communicated with the inside of the steel pipe.

Inventors

  • SUN ZHIGUO
  • SUN HONGJUN
  • SHAO WEIGANG

Assignees

  • 河南柴油机重工有限责任公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (5)

  1. 1. The air inlet pipe of the single-cylinder diesel engine is characterized by comprising a steel pipe (1), a sleeve (2), a welded pipe (3), a first fixed flange (4), a blind hole flange (5), a second fixed flange (7) and a connecting flange (8); One end of sleeve pipe (2) inserts to in steel pipe (1), and be detachable connection between sleeve pipe (2) and steel pipe (1), the other end of steel pipe (1) is fixed with first flange (4), the one end of first flange (4) is connected with blind hole flange (5) through the bolt, the other end of sleeve pipe (2) is fixed with second flange (7), the one end of second flange (7) has flange (8) through bolted connection, welded tube (3) are fixed the lateral surface of steel pipe (1), welded tube (3) are linked together with the inside of steel pipe (1).
  2. 2. The single cylinder diesel engine air inlet pipe of claim 1, wherein second welding plates (12) are uniformly distributed on the outer side surface of one end of the sleeve (2), a first welding plate (11) is fixed on the outer side surface of one end of the steel pipe (1) corresponding to the second welding plates (12), and the first welding plate (11) and the second welding plates (12) are fixedly connected through connecting bolts (13).
  3. 3. The air inlet pipe of the single cylinder diesel engine according to claim 1, wherein a stepped hole is formed in one end of the steel pipe (1), one end of the sleeve (2) is attached to the stepped surface of the stepped hole, and a third sealing gasket (10) is arranged between the sleeve (2) and the stepped surface of the stepped hole.
  4. 4. The single cylinder diesel engine air inlet pipe according to claim 1, wherein a first sealing gasket (6) is arranged between the first fixing flange (4) and the blind hole flange (5), and a second sealing gasket (9) is arranged between the second fixing flange (7) and the connecting flange (8).
  5. 5. The air inlet pipe of the single-cylinder diesel engine as claimed in claim 1, wherein the blind hole flange (5), the first fixing flange (4), the second fixing flange (7) and the connecting flange (8) are respectively provided with studs (14) in a penetrating mode, the studs (14) are uniformly distributed around the central axis of the steel pipe (1), and two ends of each stud (14) are respectively screwed and fixed through locking nuts (15).

Description

Air inlet pipe of single-cylinder diesel engine Technical Field The utility model relates to the technical field of diesel engine tests, in particular to an air inlet pipe of a single-cylinder diesel engine. Background The single cylinder diesel engine is simulated in the working process of the multi-cylinder complete machine, the precision of the single-cylinder engine in the process of simulating the multi-cylinder complete machine is gradually improved. The accurate simulation of the single-cylinder diesel engine to the working process of the multi-cylinder complete machine can obviously reduce the test workload of the multi-cylinder complete machine, thereby greatly shortening the development period of products and reducing the development cost. The air inlet pipe is used as a part for providing air and directly affects the whole combustion process of the single-cylinder diesel engine. Therefore, it is very necessary to design the intake pipe of the single cylinder diesel. Disclosure of Invention The utility model aims to overcome the existing defects, provides the air inlet pipe of the single-cylinder diesel engine, provides sufficient air for a combustion chamber of the single-cylinder diesel engine, ensures smooth combustion of the single-cylinder diesel engine, and can effectively solve the problems in the background art. In order to achieve the aim, the utility model provides the technical scheme that the single cylinder diesel engine air inlet pipe comprises a steel pipe, a sleeve, a welded pipe, a first fixed flange, a blind hole flange, a second fixed flange and a connecting flange; The one end of sheathed tube inserts to in the steel pipe, and be detachable connection between sleeve pipe and the steel pipe, the other end of steel pipe is fixed with first flange, first flange's one end passes through bolt and blind hole flange joint, the sheathed tube other end is fixed with second flange, second flange's one end has flange through bolted connection, welded tube is fixed the lateral surface of steel pipe, welded tube is linked together with the inside of steel pipe. As a preferable technical scheme of the utility model, second welding plates are uniformly distributed on the outer side surface of one end of the sleeve, a first welding plate is fixed on the outer side surface of one end of the steel pipe at a position corresponding to the second welding plate, and the first welding plate and the second welding plate are fixedly connected through a connecting bolt. As a preferable technical scheme of the utility model, a step hole is processed in one end of the steel pipe, one end of the sleeve is attached to the step surface of the step hole, and a third sealing gasket is arranged between the sleeve and the step surface of the step hole. As a preferable technical scheme of the utility model, a first sealing gasket is arranged between the first fixing flange and the blind hole flange, and a second sealing gasket is arranged between the second fixing flange and the connecting flange. As a preferable technical scheme of the utility model, the blind hole flange, the first fixing flange, the second fixing flange and the connecting flange are all penetrated with studs, the studs are uniformly distributed around the central axis of the steel pipe, and the two ends of the studs are screwed and fixed through locking nuts. Compared with the prior art, the air inlet pipe of the single-cylinder diesel engine has the beneficial effects that the sleeve is inserted into the steel pipe to form the air inlet channel, the air inlet channel is fixedly connected with the steel pipe through the first welding plate, the second welding plate and the connecting bolt, the installation is convenient, air can only enter the single-cylinder diesel engine from the welding pipe outside the steel pipe through the first fixing flange and the blind hole flange arranged at one end of the steel pipe, the air inlet amount of the air is ensured, the air inlet is convenient through the second fixing flange and the connecting flange arranged at one end of the sleeve, and the smooth combustion of the single-cylinder diesel engine is ensured. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; Fig. 2 is a front cross-sectional view of the present utility model. In the figure, a steel pipe 1, a sleeve 2, a welded pipe 3, a first fixing flange 4, a blind hole flange 5, a first sealing gasket 6, a second fixing flange 7, a connecting flange 8, a second sealing gasket 9, a third sealing gasket 10, a first welding plate 11, a second welding plate 12, a connecting bolt 13, a double-end stud 14 and a locking nut 15 are arranged. 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,