CN213478511U

CN213478511U - Novel diesel engine piston

Info

Publication number: CN213478511U
Application number: CN202022470940.0U
Authority: CN
Inventors: 祝小刚; 陈伟; 施洪鸣
Original assignee: CHANGZHOU BEIANTE POWER MACHINERY CO LTD
Current assignee: CHANGZHOU BEIANTE POWER MACHINERY CO LTD
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-18
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a novel diesel engine piston, including the piston board, connect the pivot, the connecting pipe, the piston rod, the through-hole, gu fixed ring and axle bush, piston rod bottom through at the piston sets up solid fixed ring, gu fixed ring's semicircle ring bottom is provided with the screw rod, it controls reciprocating of diaphragm to rotate through the screw rod, the diaphragm top left and right sides is provided with the connecting rod respectively, the inside top of connecting rod is provided with the gag lever post, insert the connecting rod in the through-hole of the piston rod left and right sides, carry out spacing support through the gag lever post, and drive diaphragm downstream through rotatory screw rod, the diaphragm drives the connecting rod downstream, screw up the screw rod, it is fixed to take-up between semicircle ring and the piston rod to make the connecting rod, be convenient for connect fixedly between piston board and the semicircle ring, connection speed is fast, and.

Description

Novel diesel engine piston

Technical Field

The utility model particularly relates to a novel diesel engine piston relates to the relevant field of engine piston.

Background

The diesel engine is an engine which burns diesel to obtain energy and release the energy, and has the advantages of large torque and good economic performance, the working process of the diesel engine has many places same as that of a gasoline engine, and each working cycle also undergoes four strokes of air intake, compression, work application and exhaust.

Need drive the knee lever through the piston in the diesel engine and rotate, need be connected piston and knee lever, current piston bottom is provided with dismantled and assembled semicircle ring, cup joints semicircle ring and piston rod in the knee lever outside, then locks between semicircle ring and the piston rod through the bolt, for increasing its fixed effect, generally need adopt a plurality of bolts to fix, complex operation, the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a novel diesel engine piston here.

The utility model is realized by constructing a novel diesel engine piston, which comprises a piston plate and a fixed ring, the inner side of the piston plate is rotationally connected with a connecting pipe through a connecting rotating shaft, the bottom end of the connecting pipe is welded with the piston rod, the bottoms of the left side and the right side of the piston rod are respectively provided with a through hole, the top end of the fixing ring is connected with the piston rod, a bearing bush is arranged between the piston rod and the fixed ring, the fixed ring comprises a semicircular ring, a shaft seat, a screw rod, a transverse plate, a bolt head and a connecting rod, a shaft seat is locked at the middle part of the bottom end of the semicircular ring, the circle center of the shaft seat is mutually welded with the screw rod, the bottom end of the screw rod vertically penetrates through the transverse plate and is mutually welded with the bolt head, and the screw rod is in threaded connection with the transverse plate, the left side and the right side of the top end of the transverse plate are respectively locked with a connecting rod, the top end of the connecting rod penetrates through the through hole, and the connecting rod is fixedly connected with the piston rod.

Preferably, the connecting rod includes straight-bar, roof, fixed rotating shaft, gag lever post and balancing weight, the straight-bar top welds each other with the roof, the inside top of straight-bar is rotated through fixed rotating shaft and gag lever post and is connected, the welding of fixed rotating shaft left end bottom has the balancing weight, the vertical through-hole that runs through in straight-bar top, the straight-bar bottom welds each other with the diaphragm.

Preferably, the inner wall of the bottom end of the piston rod is in a semicircular arc shape, and the inner wall of the piston rod connected with the semicircular ring is in a circular hole shape.

Preferably, the shaft seat and the screw rod are arranged concentrically, and the bottom end of the screw rod and the bolt head are arranged concentrically.

Preferably, the connecting rods are arranged in two numbers, and the two connecting rods are arranged in a bilateral symmetry manner.

Preferably, the surface of the straight rod is smooth, and the inner wall of the through hole is attached to the straight rod.

Preferably, the bottom surface of the limiting rod is planar, and the limiting rod inclines downwards at an angle of forty-five degrees from left to right.

Preferably, the length of the balancing weight is less than half of the outer diameter of the straight rod, and the balancing weight inclines upwards from left to right.

Preferably, the screw is made of hard alloy.

Preferably, the fixed rotating shaft and the limiting rod are made of No. 45 steel.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a novel diesel engine piston here, compare with equipment of the same type, have following improvement:

a novel diesel engine piston, piston rod bottom through at the piston has set up solid fixed ring, gu fixed ring's semicircle ring bottom is provided with the screw rod, it controls reciprocating of diaphragm to rotate through the screw rod, the diaphragm top left and right sides is provided with the connecting rod respectively, the inside top of connecting rod is provided with the gag lever post, insert the connecting rod to the through-hole of the piston rod left and right sides in, carry out spacing support through the gag lever post, and drive diaphragm downstream through rotatory screw rod, the diaphragm drives the connecting rod downstream, screw up the screw rod, it is fixed to take-up between semicircle ring and the piston rod to make the connecting rod, be convenient for connect fixedly between piston plate and the semicircle ring, connection speed is fast, and it is good to connect the steadiness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the piston rod of the present invention;

fig. 3 is a front view of the piston rod structure of the present invention;

fig. 4 is a front view of the fixing ring structure of the present invention;

fig. 5 is a sectional view of the internal structure of the connecting rod of the present invention.

Wherein: the device comprises a piston plate-1, a connecting rotating shaft-2, a connecting pipe-3, a piston rod-4, a through hole-5, a fixing ring-6, a bearing bush-7, a semicircular ring-61, a shaft seat-62, a screw rod-63, a transverse plate-64, a bolt head-65, a connecting rod-66, a straight rod-661, a top plate-662, a fixing rotating shaft-663, a limiting rod-664 and a balancing weight-665.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2 and fig. 3, the utility model provides a novel diesel engine piston here through the improvement, including piston plate 1 and solid fixed ring 6, piston plate 1 inboard is rotated with connecting pipe 3 through connecting pivot 2 and is connected, 3 bottoms of connecting pipe and piston rod 4 mutual welding, through-hole 5 has all been seted up to 4 left and right sides bottoms of piston rod, gu fixed ring 6 tops is connected with piston rod 4, install axle bush 7 between piston rod 4 and the solid fixed

ring

6, 4 bottom inner walls of piston rod are the semicircle arcuation, and piston rod 4 is connected the inner wall with semicircle ring 61 and is the round hole form, through installing axle bush 7 between piston rod 4 and semicircle ring 61, be convenient for be connected piston rod 4 and semicircle ring 61 with the curved bar.

Referring to fig. 4, the present invention provides a new diesel engine piston through an improvement, a fixing ring 6 includes a semi-circular ring 61, a shaft seat 62, a screw 63, a horizontal plate 64, a bolt head 65 and a connecting rod 66, the shaft seat 62 is locked at the middle of the bottom end of the semi-circular ring 61, the center of the shaft seat 62 is welded to the screw 63, the bottom end of the screw 63 vertically penetrates through the horizontal plate 64 and the bolt head 65, the screw 63 is connected to the horizontal plate 64 by a screw thread, the connecting rod 66 is locked at the left and right sides of the top end of the horizontal plate 64, the top end of the connecting rod 66 penetrates through a through hole 5, the connecting rod 66 is fixedly connected to the piston rod 4, the shaft seat 62 and the screw 63 are concentrically arranged, the bottom end of the screw 63 and the bolt head 65 are concentrically arranged, the bolt head 65 rotates to drive the center of the screw 63 to rotate, and two connecting rods 66 are arranged in bilateral symmetry, so that the left end and the right end of the fixing ring 6 are connected with the piston rod 4 through the two connecting rods 66, and the screw 63 is made of hard alloy, so that the hardness is high and the wear is not easy to occur.

Referring to fig. 5, the present invention provides a new diesel engine piston through an improvement, wherein a connecting rod 66 comprises a straight rod 661, a top plate 662, a fixed shaft 663, a stop rod 664 and a counter weight block 665, the top end of the straight rod 661 is welded to the top plate 662, the top end of the inside of the straight rod 661 is rotatably connected to the stop rod 664 through the fixed shaft 663, the bottom of the left end of the fixed shaft 663 is welded with the counter weight block 665, the top end of the straight rod 661 vertically penetrates through the through hole 5, the bottom end of the straight rod 661 is welded to the transverse plate 64, the surface of the straight rod 661 is smooth, the inner wall of the through hole 5 is attached to the straight rod 661, the moving track of the straight rod 661 is limited, the fixing ring 6 and the piston rod 4 are connected stably, the bottom end of the stop rod is planar, the stop rod 664 inclines downward at a forty-five degree angle from left to right, and stop lever 664 is pushed and is upwards rotated when straight-bar 661 moves down, the top of stop lever 664 supports through roof 662, it limits moving down of straight-bar 661 to pass through stop lever 664, balancing weight 665 length is less than half of straight-bar 661 external diameter, and balancing weight 665 inclines from a left side to right side, make stop lever 664 not pushed, and when being vertical state, make stop lever 664 be the slope, and avoid balancing weight 665 to stretch out the removal that influences straight-bar 661, fixed rotating shaft 663 and stop lever 664 all adopt No. 45 steel, the hardness is high, not fragile.

The utility model provides a novel diesel engine piston through improvement, and the working principle is as follows;

firstly, before use, a piston rod 4 of a piston needs to be connected with a crank rod of an engine, when a bearing bush 7 is connected, the bottom end inside the piston rod 4 and the inside of a semicircular ring 61 are installed respectively, then the bottom of the piston rod 4 is sleeved outside the crank rod, connecting rods 66 on the left side and the right side of the semicircular ring 61 are inserted into through holes 5 on the left side and the right side of the piston rod 4, and because a limiting rod 664 inclines downwards at an angle of forty-five degrees from left to right, when a straight rod 661 is inserted upwards into the through holes 5, the limiting rod 664 rotates downwards under an extruded salt fixing rotating shaft 663 to enable the limiting rod 664 to extend into the straight rod 661, and after the straight rod 661 penetrates through the through holes 5, the straight rod 661 rotates downwards through a balancing weight 665 to enable the limiting rod 664 to rotate upwards, so that the limiting;

secondly, then rotatory bolt head 65, bolt head 65 drives the screw rod 63 centre of a circle department and rotates, screw rod 63 through with diaphragm 64 between screw-thread fit move down, diaphragm 64 drives straight-bar 661 move down, limiting rod 664 receives the extrusion to upwards rotate when straight-bar 661 moves down, the top of limiting rod 664 supports through roof 662, move down to straight-bar 661 through limiting rod 664, through screwing up screw rod 63, make connecting rod 66 take up fixedly between semicircle ring 61 and piston rod 4, be convenient for connect fixedly between piston plate 4 and semicircle ring 61, the connecting speed is fast, and it is good to connect the steadiness.

The utility model discloses an improve and provide a novel diesel engine piston, 4 bottoms through the piston rod at the piston have set up solid fixed ring 6, gu fixed ring 6's semicircle ring 61 bottom is provided with screw rod 63, it controls reciprocating of diaphragm 64 to rotate through screw rod 63, diaphragm 64 top left and right sides is provided with connecting rod 66 respectively, the inside top of connecting rod 66 is provided with gag lever post 664, insert connecting rod 66 in the through-hole 5 of the 4 left and right sides of piston rod, carry out spacing support through gag lever post 664, and drive diaphragm 64 downstream through rotatory screw rod 63, diaphragm 64 drives connecting rod 66 downstream, screw up screw rod 63, it is fixed to make connecting rod 66 take-up between semicircle ring 61 and the piston rod 4, be convenient for connect fixedly between piston plate 4 and the semicircle ring 61, the connection speed is fast, and it is good to connect the steadiness.

Claims

1. A novel diesel engine piston comprises a piston plate (1), wherein the inner side of the piston plate (1) is rotatably connected with a connecting pipe (3) through a connecting rotating shaft (2), the bottom end of the connecting pipe (3) is mutually welded with a piston rod (4), and the bottoms of the left side and the right side of the piston rod (4) are respectively provided with a through hole (5); the method is characterized in that: also comprises a fixed ring (6), the top end of the fixed ring (6) is connected with the piston rod (4), a bearing bush (7) is arranged between the piston rod (4) and the fixed ring (6), the fixing ring (6) comprises a semicircular ring (61), a shaft seat (62), a screw rod (63), a transverse plate (64), a bolt head (65) and a connecting rod (66), a shaft seat (62) is locked at the middle part of the bottom end of the semicircular ring (61), the circle center of the shaft seat (62) is mutually welded with a screw (63), the bottom end of the screw rod (63) vertically penetrates through a transverse plate (64) and is welded with a bolt head (65), the screw rod (63) is in threaded connection with a transverse plate (64), the left side and the right side of the top end of the transverse plate (64) are respectively locked with a connecting rod (66), the top end of the connecting rod (66) penetrates through the through hole (5), and the connecting rod (66) is fixedly connected with the piston rod (4).

2. The novel diesel engine piston of claim 1, wherein: connecting rod (66) include straight-bar (661), roof (662), fixed rotating shaft (663), gag lever post (664) and balancing weight (665), straight-bar (661) top and roof (662) are welded each other, the inside top of straight-bar (661) is rotated with gag lever post (664) through fixed rotating shaft (663) and is connected, fixed rotating shaft (663) left end bottom welding has balancing weight (665), vertical through-hole (5) in straight-bar (661) top, straight-bar (661) bottom and diaphragm (64) are welded each other.

3. The novel diesel engine piston of claim 1, wherein: the inner wall of the bottom end of the piston rod (4) is in a semicircular arc shape, and the inner wall of the piston rod (4) connected with the semicircular ring (61) is in a circular hole shape.

4. The novel diesel engine piston of claim 1, wherein: the shaft seat (62) and the screw rod (63) are arranged concentrically, and the bottom end of the screw rod (63) and the bolt head (65) are arranged concentrically.

5. The novel diesel engine piston of claim 1, wherein: the number of the connecting rods (66) is two, and the two connecting rods (66) are arranged in a bilateral symmetry manner.

6. The novel diesel engine piston of claim 2, wherein: the surface of the straight rod (661) is smooth, and the inner wall of the through hole (5) is attached to the straight rod (661).

7. The novel diesel engine piston of claim 2, wherein: the bottom surface of the limiting rod (664) is planar, and the limiting rod (664) inclines downwards at an angle of forty-five degrees from left to right.

8. The novel diesel engine piston of claim 2, wherein: the length of the balancing weight (665) is smaller than half of the outer diameter of the straight rod (661), and the balancing weight (665) inclines upwards from left to right.