CN215979626U - Double-cooling oil cavity welding type integral forged steel internal combustion engine piston - Google Patents
Double-cooling oil cavity welding type integral forged steel internal combustion engine piston Download PDFInfo
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- CN215979626U CN215979626U CN202023072296.8U CN202023072296U CN215979626U CN 215979626 U CN215979626 U CN 215979626U CN 202023072296 U CN202023072296 U CN 202023072296U CN 215979626 U CN215979626 U CN 215979626U
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Abstract
The utility model provides a double-cooling oil cavity welding type integral forged steel internal combustion engine piston. The double-cooling-oil-cavity welded type integral forged steel internal combustion engine piston comprises: a piston body, a connecting rod and a piston pin; the first device groove is formed in the middle of the outer surface of the piston body; a connection groove communicating with a rear surface of an inner surface of the first device groove, one end of the piston pin passing through the connection groove and extending to an inside of the first device groove; and the clamping assembly is fixedly connected inside the first device groove. According to the double-cooling oil cavity welding type integral forged steel internal combustion engine piston, the clamping assembly is arranged in the first device groove, clamping blocks in the clamping assembly can be clamped in the clamping grooves at one end of the piston pin at the same time, nuts are not needed, and the phenomenon that the piston pin fixes the piston body and the connecting rod due to the fact that the piston pin is loosened after the nuts are used for a long time and normal work of the whole piston is affected is avoided.
Description
Technical Field
The utility model relates to the field of pistons of internal combustion engines, in particular to a double-cooling oil cavity welding type integral forged steel piston of an internal combustion engine.
Background
The automobile piston is more important than the central part of an automobile engine when the engine is started, the automobile piston is used for bearing gas pressure and driving a crankshaft to rotate through a piston pin, and the top of the piston is also a component of a combustion chamber.
Because of the important role of the piston in the engine, the design and the manufacture are greatly changed and improved, so that the emission standard with high requirements in the real society can be met, and the common automobile pistons are divided into: the piston and the connecting rod are connected with the nut through the piston pin in a threaded manner in the using process of the piston of the internal combustion engine, and after the piston is used for a long time, the nut can be loosened to influence the normal work of the piston of the internal combustion engine.
Therefore, it is necessary to provide a dual cooling gallery welded monobloc forged steel internal combustion engine piston to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-cooling oil cavity welding type integral forged steel internal combustion engine piston, which solves the problem that the normal work of a piston is influenced because a nut is loosened after long-term use because a piston pin and the nut are connected together through threads.
In order to solve the technical problem, the utility model provides a double-cooling oil cavity welding type integral forged steel internal combustion engine piston, which comprises: a piston body, a connecting rod and a piston pin;
the first device groove is formed in the middle of the outer surface of the piston body;
a connection groove communicating with a rear surface of an inner surface of the first device groove, one end of the piston pin passing through the connection groove and extending to an inside of the first device groove;
the clamping assembly is fixedly connected inside the first device groove and comprises a fixing block, one side of the fixing block is fixedly connected with the inner surface of the first device groove, the left side and the right side of the other side of the fixing block are respectively and rotatably connected with a first connecting rod, one end of the first connecting rod is rotatably connected with a second connecting rod, one end of the second connecting rod is rotatably connected with a clamping block, and the bottom end of the clamping block penetrates through the piston pin and extends to the inside of the piston pin.
Through set up the joint subassembly in first device groove, fixture block in the joint subassembly can block simultaneously in a plurality of draw-in grooves of piston pin one end to guarantee the stability of piston pin, need not use the nut, it is not hard up after avoiding the nut to use for a long time, influence the piston pin to the fixed of piston body and connecting rod, and then influence the normal work of whole piston, also convenient dismantlement, convenience very to the piston pin simultaneously.
Preferably, one end of the surface of the piston pin is uniformly provided with a clamping groove, and one end of the clamping block extends to the inside of the clamping groove.
Preferably, one end of the first connecting rod is rotatably connected with a first limiting rod, and a sliding groove is formed in the surface of the first limiting rod.
Preferably, one end of the second connecting rod is rotatably connected with a second limiting rod, one end of the back face of the second limiting rod is fixedly connected with a sliding block, and one end of the sliding block extends to the inside of the sliding groove.
Preferably, the surface of the piston body is located a second device groove is formed in the top of the first device groove, a first rotating shaft is arranged inside the second device groove, the bottom end of the first rotating shaft penetrates through the piston body and extends to the inside of the first device groove, a support piece is connected to the surface of the first rotating shaft in a threaded mode, and the left end and the right end of the support piece extend to the inside of the first connecting rod and are in sliding connection with the first connecting rod.
Preferably, a first bevel gear is fixedly connected to the surface of the first rotating shaft, a second rotating shaft is rotatably connected to the back surface of the inner surface of the second device groove, a second bevel gear is fixedly connected to the surface of the second rotating shaft, and the second bevel gear is meshed with the first bevel gear.
Preferably, the top end fixedly connected with of connecting rod is solid fixed ring, gu fixed ring's inside has evenly seted up and has rotated the groove, the inside in rotation groove is provided with the ball, one side of ball extends to the outside in rotation groove.
Through set up rotation groove and ball in the solid fixed ring, ball and piston pin surface contact make connecting rod and solid fixed ring pivoted more smooth and easy, reduce the piston during operation, gu the wearing and tearing between solid fixed ring and the piston pin to the life of extension piston.
Compared with the prior art, the double-cooling oil cavity welding type integral forged steel internal combustion engine piston provided by the utility model has the following beneficial effects:
the utility model provides a double-cooling oil cavity welding type integral forged steel internal combustion engine piston, wherein a clamping assembly is arranged in a first device groove, clamping blocks in the clamping assembly can be clamped in a plurality of clamping grooves at one end of a piston pin at the same time, so that the stability of the piston pin is ensured, a nut is not needed, the phenomenon that the piston pin is loosened after long-term use to influence the fixation of the piston body and a connecting rod by the piston pin is avoided, the normal work of the whole piston is further influenced, the piston pin is also conveniently disassembled, and the piston pin is quite convenient.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a dual cooling gallery welded monobloc forged steel internal combustion engine piston provided in accordance with the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the latch assembly shown in FIG. 1;
FIG. 4 is an external structural view of the piston pin shown in FIG. 1;
FIG. 5 is a schematic view of the internal structure of the top end of the connecting rod shown in FIG. 1;
fig. 6 is a schematic view of the external structure shown in fig. 1.
Reference numbers in the figures: 1. piston body, 2, connecting rod, 3, the piston pin, 4, first device groove, 5, the spread groove, 6, the joint subassembly, 61, the fixed block, 62, the head rod, 63, the second connecting rod, 64, the fixture block, 65, first gag lever post, 66, the spout, 67, the second gag lever post, 68, the slider, 7, the draw-in groove, 8, the second device groove, 9, first pivot, 10, first conical gear, 11, the second pivot, 12, second conical gear, 13, solid fixed ring, 14, the rotation groove, 15, the ball, 16, support piece.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, fig. 1 is a schematic structural view of a dual cooling gallery welded integral forged steel internal combustion engine piston according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a schematic view of the latch assembly shown in FIG. 1; FIG. 4 is an external structural view of the piston pin shown in FIG. 1; FIG. 5 is a schematic view of the internal structure of the top end of the connecting rod shown in FIG. 1; fig. 6 is a schematic view of the external structure shown in fig. 1. The double-cooling oil cavity welding type integral forged steel internal combustion engine piston comprises: a piston body 1, a connecting rod 2 and a piston pin 3;
the first device groove 4 is formed in the middle of the outer surface of the piston body 1, and the first device groove 4 is formed in the middle of the outer surface of the piston body 1;
a connecting groove 5, the connecting groove 5 communicating with the back surface of the inner surface of the first device groove 4, one end of the piston pin 3 passing through the connecting groove 5 and extending to the inside of the first device groove 4;
the clamping assembly 6 is fixedly connected inside the first device groove 4, the clamping assembly 6 comprises a fixing block 61, one side of the fixing block 61 is fixedly connected with the inner surface of the first device groove 4, the left side and the right side of the other side of the fixing block 61 are respectively and rotatably connected with a first connecting rod 62, one end of the first connecting rod 62 is rotatably connected with a second connecting rod 63, one end of the second connecting rod 63 is rotatably connected with a clamping block 64, and the bottom end of the clamping block 64 penetrates through the piston pin 3 and extends into the piston pin 3.
Piston body 1 and connecting rod 2 are passed to the one end of piston pin 3, thereby link together piston body 1 and connecting rod 2, first device groove 4 is the groove with 6 size adaptations of joint subassembly, spread groove 5 is the groove with 3 size adaptations of piston pin, joint subassembly 6 can carry on spacingly to piston pin 3, the total number of fixed block 61 is 8, all be the even welding around the 4 internal surfaces of first device groove, one side of every fixed block 61 is rotated and is connected with two head rods 62, the quantity of second connecting rod 63 is corresponding with the quantity of head rod 62, fixture block 64 rotates with two second connecting rods 63 and links together.
One end of the surface of the piston pin 3 is uniformly provided with a clamping groove 7, and one end of the clamping block 64 extends to the inside of the clamping groove 7.
The number of the clamping grooves 7 is 8, the clamping grooves are uniformly formed in one end of the surface of the piston pin 3, and the clamping grooves are matched with the clamping blocks 64 in size.
One end of the first connecting rod 62 is rotatably connected with a first limiting rod 65, and a sliding groove 66 is formed in the surface of the first limiting rod 65.
The first limiting rod 65 is rotatably connected to the first connecting rod 62 on one side, the sliding groove 66 is matched with the sliding block 68 in size, and the first limiting rod 65 is an arc-shaped rod.
One end of the second connecting rod 63 is rotatably connected with a second limiting rod 67, one end of the back face of the second limiting rod 67 is fixedly connected with a sliding block 68, and one end of the sliding block 68 extends to the inside of the sliding groove 66.
The second limiting rod 67 is rotatably connected to one side of the second connecting rod 63 on the other side, and is also an arc-shaped rod, and the sliding block 68 is welded on the second limiting rod 67.
The surface of piston body 1 just is located second device groove 8 has been seted up at the top in first device groove 4, the inside in second device groove 8 is provided with first pivot 9, the bottom of first pivot 9 is run through piston body 1 and is extended to the inside in first device groove 4, the surperficial threaded connection of first pivot 9 has support piece 16, support piece 16 about both ends extend to the inside of head rod 62 and with head rod 62 sliding connection.
The first rotating shaft 9 is rotatably connected with the piston body 1, the second device groove 8 is matched with the first rotating shaft 9 in size, the surface of the first rotating shaft 9 extending to the inside of the first device groove 4 is provided with threads, and the left side and the right side of the support piece 16 slide in sliding grooves in the first connecting rod 62.
The surface of the first rotating shaft 9 is fixedly connected with a first bevel gear 10, the back surface of the inner surface of the second device groove 8 is rotatably connected with a second rotating shaft 11, the surface of the second rotating shaft 11 is fixedly connected with a second bevel gear 12, and the second bevel gear 12 is meshed with the first bevel gear 10.
A first bevel gear 10 is welded to the top end of the first rotating shaft 9, one end of a second rotating shaft 11 is coupled to one side of the inner surface of the second device groove 8 through a bearing, and a second bevel gear 12 is welded to the second rotating shaft 11.
The top end fixedly connected with of connecting rod 2 is fixed ring 13, fixed ring 13's inside has evenly seted up and has rotated groove 14, the inside in rotation groove 14 is provided with ball 15, one side of ball 15 extends to the outside in rotation groove 14.
The fixing ring 13 is welded at the top end of the connecting rod 2 and is matched with the piston pin 3 in size, the rotating grooves 14 are uniformly formed in the fixing ring 13, the balls 15 are matched with the rotating grooves 14 in size, the number of the balls corresponds to that of the rotating grooves 14, the balls are in contact with the piston pin 3, and friction between the balls and the piston pin 3 can be reduced.
The working principle of the double-cooling oil cavity welding type integral forged steel internal combustion engine piston provided by the utility model is as follows:
when the piston body 1 is installed in the internal combustion engine, a worker firstly rotates the second rotating shaft 11, and rotates the second rotating shaft 11 and the second bevel gear 12 to drive the first bevel gear 10 and the first rotating shaft 9 to rotate, and the first rotating shaft 9 can drive the supporting member 16 to move upwards, so as to drive the first connecting rod 62 and the second connecting rod 63 to move upwards, so that the clamping block 64 rises.
In the process that the clamping block 64 ascends, the first connecting rod 62 and the second connecting rod 63 drive the first limiting rod 65 and the second limiting rod 67 to move, and in the moving process, the clamping block 64 on the second limiting rod 67 slides along the sliding groove 66.
The worker can then place the position of the fixing ring 13 at the top end of the connecting rod 2 together with the two connecting cylinders inside the piston body 1 with the centers of the circles aligned, and can then insert the piston pin 3 inside the piston body 1 from the other side of the piston body 1.
After the one end of piston pin 3 is stable through solid fixed ring 13 etc. and gets into first device groove 4, but staff antiport second pivot 11, make support piece 16 downstream, thereby make head rod 62, second connecting rod 63 and fixture block 64 move down, move down and block in draw-in groove 7 through a plurality of fixture blocks 64, thereby restriction piston pin 3's position, need not use the nut, it is not hard up after avoiding the nut to use for a long time, influence piston pin 3 to the fixing of piston body 1 and connecting rod 2, and then influence the normal work of whole piston.
When the piston of the internal combustion engine works, the connecting rod 2 rotates on the surface of the piston pin 3 through the top fixing ring 13 and pushes the piston body 1 upwards.
In the process that the connecting rod 2 moves, the clamping blocks 64 are simultaneously clamped in the clamping grooves 7 at one end of the piston pin 3, so that the position of the piston pin 3 is limited, and meanwhile, the balls 15 are in contact with the surface of the piston pin 3, so that the connecting rod 2 and the fixing ring 13 rotate more smoothly.
Compared with the prior art, the double-cooling oil cavity welding type integral forged steel internal combustion engine piston provided by the utility model has the following beneficial effects:
through set up joint subassembly 6 in first device groove 4, fixture block 64 in joint subassembly 6 can block simultaneously in a plurality of draw-in grooves 7 of 3 one ends of piston pin, thereby guarantee the stability of piston pin 3, need not use the nut, it is not hard up to avoid the nut to use the back for a long time, influence the piston pin 3 to the fixing of piston body 1 and connecting rod 2, and then influence the normal work of whole piston, also conveniently dismantle piston pin 3 simultaneously, convenience very, through set up rotation groove 14 and ball 15 in solid fixed ring 13, ball 15 and 3 surface contact of piston pin, it is more smooth and easy to make connecting rod 2 and solid fixed ring 13 pivoted, reduce the piston during operation, gu wear between fixed ring 13 and the piston pin 3, thereby the life of extension piston.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A double-cooling oil cavity welding type integral forged steel internal combustion engine piston is characterized by comprising: a piston body, a connecting rod and a piston pin;
the first device groove is formed in the middle of the outer surface of the piston body;
a connection groove communicating with a rear surface of an inner surface of the first device groove, one end of the piston pin passing through the connection groove and extending to an inside of the first device groove;
the clamping assembly is fixedly connected inside the first device groove and comprises a fixing block, one side of the fixing block is fixedly connected with the inner surface of the first device groove, the left side and the right side of the other side of the fixing block are respectively and rotatably connected with a first connecting rod, one end of the first connecting rod is rotatably connected with a second connecting rod, one end of the second connecting rod is rotatably connected with a clamping block, and the bottom end of the clamping block penetrates through the piston pin and extends to the inside of the piston pin.
2. The double-cooling oil cavity welded integral forged steel internal combustion engine piston as claimed in claim 1, wherein a clamping groove is uniformly formed at one end of the surface of the piston pin, and one end of the clamping block extends to the inside of the clamping groove.
3. The double-cooling oil chamber welded integral forged steel internal combustion engine piston as claimed in claim 1, wherein a first limiting rod is rotatably connected to one end of said first connecting rod, and a sliding groove is formed in a surface of said first limiting rod.
4. The dual cooling gallery welded monobloc forged steel internal combustion engine piston of claim 3, wherein a second check rod is rotatably connected to one end of said second connecting rod, a slider is fixedly connected to one end of the back of said second check rod, and one end of said slider extends into the interior of said sliding groove.
5. The double-cooling-oil-cavity welded type integral forged steel internal combustion engine piston as claimed in claim 1, wherein a second device groove is formed in the surface of the piston body and located at the top of the first device groove, a first rotating shaft is arranged inside the second device groove, the bottom end of the first rotating shaft penetrates through the piston body and extends into the first device groove, a supporting member is connected to the surface of the first rotating shaft in a threaded manner, and the left end and the right end of the supporting member extend into the first connecting rod and are connected with the first connecting rod in a sliding manner.
6. The dual cooling gallery welded integrally forged steel internal combustion engine piston of claim 5, wherein said first shaft has a first bevel gear fixedly attached to a surface thereof, said second shaft has a second shaft rotatably attached to a back surface of an inner surface of said second device groove, said second shaft has a second bevel gear fixedly attached to a surface thereof, said second bevel gear being in mesh with said first bevel gear.
7. The double-cooling oil cavity welded type integral forged steel internal combustion engine piston as claimed in claim 1, wherein a fixed ring is fixedly connected to the top end of the connecting rod, a rotating groove is uniformly formed in the fixed ring, a ball is arranged in the rotating groove, and one side of the ball extends to the outside of the rotating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023072296.8U CN215979626U (en) | 2020-12-19 | 2020-12-19 | Double-cooling oil cavity welding type integral forged steel internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023072296.8U CN215979626U (en) | 2020-12-19 | 2020-12-19 | Double-cooling oil cavity welding type integral forged steel internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979626U true CN215979626U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023072296.8U Active CN215979626U (en) | 2020-12-19 | 2020-12-19 | Double-cooling oil cavity welding type integral forged steel internal combustion engine piston |
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|---|---|
| CN (1) | CN215979626U (en) |
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- 2020-12-19 CN CN202023072296.8U patent/CN215979626U/en active Active
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