CN212803415U - Piston chain connecting mechanism - Google Patents
Piston chain connecting mechanism Download PDFInfo
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- CN212803415U CN212803415U CN202022008516.4U CN202022008516U CN212803415U CN 212803415 U CN212803415 U CN 212803415U CN 202022008516 U CN202022008516 U CN 202022008516U CN 212803415 U CN212803415 U CN 212803415U
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- piston
- connecting rod
- fixedly connected
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a piston technical field especially relates to a piston link mechanism, include: the piston cover is arranged in the engine cylinder wall; a connecting rod assembly, the connecting rod assembly comprising: one end of the first connecting rod is fixedly connected with the piston cover; one end of the second connecting rod is fixedly connected with the crankshaft; the other end of the first connecting rod is rotatably connected with the other end of the second connecting rod. The utility model discloses in, through setting up piston cap, link assembly, and link assembly includes first connecting rod and second connecting rod, first connecting rod one end and piston cap fixed connection, will originally the connecting rod rotate with the piston in the one end of piston and be connected and become to rotate in the middle of link assembly and be connected, will originally transfer some to the lateral pressure of piston skirt portion to first connecting rod on, reduced piston skirt portion's lateral pressure, reduced the wearing and tearing of piston ring to the practical life of piston has been increased.
Description
Technical Field
The utility model relates to a piston technical field especially relates to a piston link mechanism.
Background
The piston is a reciprocating component in an automobile engine cylinder, and the basic structure of the piston can be divided into a top part, a head part and a skirt part. The piston crown is the main part that makes up the combustion chamber and its shape is related to the combustion chamber form chosen. The gasoline engine mostly adopts a flat-top piston, and has the advantage of small heat absorption area. The top of the piston of a diesel engine often has various pits, the specific shape, position and size of which must be adapted to the requirements of the mixture formation and combustion of the diesel engine.
Generally, the piston and the connecting rod are rotatably connected in the piston, so that when the piston reciprocates, the skirt part of the piston can be subjected to lateral pressure in a working stroke and a compression stroke, the abrasion of a piston ring is aggravated, and the service life of the piston is shortened.
In view of the above problems, the present designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of the theory to actively make research and innovation, so as to create a piston link mechanism, which is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model provides a piston interlinkage mechanism to effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a piston link mechanism comprising:
a piston cap disposed within an engine cylinder wall;
a connecting rod assembly, the connecting rod assembly comprising:
one end of the first connecting rod is fixedly connected with the piston cover;
one end of the second connecting rod is fixedly connected with the crankshaft;
the other end of the first connecting rod is rotatably connected with the other end of the second connecting rod.
Further, the connecting rod assembly comprises a piston pin and check rings, the first connecting rod and the second connecting rod are rotatably connected through the piston pin, and the check rings are arranged at two ends of the piston pin and used for limiting the movement of the piston pin.
Furthermore, the inner wall of the piston cover is provided with a thread structure, one end of the first connecting rod fixedly connected with the piston cover is provided with a corresponding thread structure, and the first connecting rod is fixedly connected with the piston cover through the thread structure.
Further, one end of the first connecting rod, which is close to the piston cover, is of an annular structure, and the threaded structure is arranged on the outer wall of the annular structure.
Further, the first connecting rod is provided with a reinforcing rib along the length extending direction.
Further, the reinforcing rib is larger at one end close to the piston cover than at one end close to the second connecting rod.
Furthermore, the number of the reinforcing ribs is 4, and the 4 reinforcing ribs are arranged at equal intervals.
Furthermore, a connecting ring is arranged at one end of the second connecting rod, which is connected with the crankshaft, and the connecting ring is sleeved on the crankshaft and is fixedly connected with the crankshaft.
Furthermore, the connecting ring is of a two-half-circle structure, one end of each of the two half-circle structures is rotatably connected, the other end of each of the two half-circle structures is provided with a bolt structure, and the two half-circle structures are fixedly connected through the bolt structure.
The utility model has the advantages that: the utility model discloses a set up piston cap, link assembly, and link assembly includes first connecting rod and second connecting rod, first connecting rod one end and piston cap fixed connection, will be originally the connecting rod and the piston rotates in the one end of piston to be connected and becomes to rotate in the middle of link assembly and connect, will originally transfer some to the lateral pressure of piston skirt portion to first connecting rod on, reduced piston skirt portion's lateral pressure, reduced the wearing and tearing of piston ring to the practical life of piston has been increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the piston cap hidden.
Reference numerals: 1. a piston cap; 2. a connecting rod assembly; 21. a first link; 211. a cyclic structure; 212. reinforcing ribs; 22. a second link; 221. a connecting ring; 23. a piston pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2, a piston link mechanism includes:
the piston cover 1, the piston cover 1 is set up in the engine cylinder wall;
one end of the first connecting rod 21 is fixedly connected with the piston cover 1;
one end of the second connecting rod 22 is fixedly connected with the crankshaft;
the other end of the first connecting rod 21 is rotatably connected with the other end of the second connecting rod 22.
Through setting up piston cap 1, link assembly 2, and link assembly 2 includes first connecting rod 21 and second connecting rod 22, first connecting rod 21 one end and 1 fixed connection of piston cap, will originally the connecting rod rotate with the piston in the one end of piston and be connected and become to rotate in the middle of link assembly 2 and be connected, will originally shift partly to piston skirt's lateral pressure to first connecting rod 21 on, the lateral pressure of piston skirt has been reduced, the wearing and tearing of piston ring have been reduced, thereby the practical life of piston has been increased.
Preferably, the connecting rod assembly 2 comprises a piston pin 23 and a retainer ring, the first connecting rod 21 and the second connecting rod 22 are rotatably connected by the piston pin 23, and the retainer ring is arranged at two ends of the piston pin 23 and used for limiting the movement of the piston pin 23.
First connecting rod 21 and second connecting rod 22 rotate through piston pin 23 and are connected, and simple structure is reliable, and frictional force is little, and the retaining ring sets up in piston pin 23 both ends for restriction piston pin 23 removes, prevents that piston pin 23 from first connecting rod 21 and second connecting rod 22 junction roll-off in the use, has guaranteed the reliability in the piston working process, has increased the utility model discloses a practicality and reliability.
Preferably, in the above embodiment, the inner wall of the piston cap 1 is provided with a thread structure, one end of the first connecting rod 21 fixedly connected with the piston cap 1 is provided with a corresponding thread structure, and the first connecting rod 21 is fixedly connected with the piston cap 1 through the thread structure.
Through being provided with the helicitic texture at 1 inner wall of piston cap, first connecting rod 21 is provided with corresponding helicitic texture with 1 fixed connection's of piston cap one end, and first connecting rod 21 passes through helicitic texture fixed connection with piston cap 1 for be connected between piston cap 1 and the first connecting rod 21 simple reliable, general piston goes out the problem and dismantles and change comparatively troublesome, and the utility model discloses in, only need to take out the piston pin 23 between first connecting rod 21 and the second connecting rod 22, alright take out first connecting rod 21 and piston cap 1 from the engine cylinder, can very conveniently change piston cap 1 through helicitic texture, increased the utility model discloses a practicality and convenience in use.
Preferably, the first connecting rod 21 is a ring-shaped structure 211 at one end close to the piston cap 1, and the screw structure is arranged on the outer wall of the ring-shaped structure 211.
Set up to annular structure 211 through the one end with first connecting rod 21 at piston cap 1, reduced first connecting rod 21's weight to reduce the inertia of piston, increased the life of piston, increased the utility model discloses a practicality and reliability.
Preferably, the first link 21 is provided with a rib 212 along the longitudinal direction.
Through setting up strengthening rib 212, when reducing first connecting rod 21 weight, guaranteed first connecting rod 21's structural strength, reduced the inertia of piston on the one hand, on the other hand has also guaranteed that the transmission process of piston can not go wrong, has increased the life of piston, has increased the utility model discloses a practicality and reliability.
Preferably, the rib 212 is larger at the end near the piston cap 1 than at the end near the second connecting rod 22.
With strengthening rib 212 in the one end that is close to piston cap 1 be greater than the one end that is close to second connecting rod 22, because the operating characteristic of piston, piston cap 1 receives the impact great in the stroke of doing work, so the one end atress that is close to piston cap 1 is great, and strengthening rib 212 is greater than the one end that is close to second connecting rod 22 in the one end that is close to piston cap 1, fine balanced structural strength and weight, increased the life of piston, increased the utility model discloses a practicality and reliability.
In the above embodiment, preferably, there are 4 ribs 212, and 4 ribs 212 are provided at equal intervals.
Preferably, in the above embodiment, a connection ring 221 is disposed at one end of the second connection rod 22 connected to the crankshaft, and the connection ring 221 is sleeved on the crankshaft and fixedly connected to the crankshaft.
The one end that second connecting rod 22 and bent axle are connected is provided with go-between 221, go-between 221 cover locate on the bent axle with bent axle fixed connection, simple structure, simple to operate has increased the utility model discloses a practicality and convenience of use.
Preferably, the connection ring 221 is a two-half circular structure, one end of the two-half circular structure is rotatably connected, the other end of the two-half circular structure is provided with a bolt structure, and the two-half circular structure is fixedly connected through the bolt structure.
Go-between 221 is two semicircle structures, and two semicircle structure one end is rotated and is connected, and the other end is provided with bolt structure, simple structure, and simple to operate has increased the utility model discloses a practicality and the convenience of use.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A piston link mechanism, comprising:
the piston cover (1), the said piston cover (1) is set up in the engine cylinder wall;
a connecting rod assembly (2), the connecting rod assembly (2) comprising:
one end of the first connecting rod (21) is fixedly connected with the piston cover (1);
one end of the second connecting rod (22) is fixedly connected with the crankshaft;
the other end of the first connecting rod (21) is rotatably connected with the other end of the second connecting rod (22).
2. Piston link mechanism according to claim 1, characterized in that the connecting rod assembly (2) comprises a piston pin (23) and a collar, the first connecting rod (21) and the second connecting rod (22) being rotationally connected by the piston pin (23), the collar being provided at both ends of the piston pin (23) for limiting the movement of the piston pin (23).
3. The piston linking mechanism according to claim 2, wherein the inner wall of the piston cover (1) is provided with a thread structure, the end of the first connecting rod (21) fixedly connected with the piston cover (1) is provided with a corresponding thread structure, and the first connecting rod (21) is fixedly connected with the piston cover (1) through the thread structure.
4. A piston link mechanism according to claim 3, wherein said first connecting rod (21) is an annular structure (211) at an end near said piston cover (1), and said thread structure is provided on an outer wall of said annular structure (211).
5. Piston link mechanism according to claim 4, characterised in that the first connecting rod (21) is provided with a reinforcement rib (212) in the direction of length extension.
6. Piston link mechanism according to claim 5, characterised in that the reinforcement rib (212) is larger at the end near the piston cap (1) than at the end near the second connecting rod (22).
7. The piston link mechanism according to claim 6, wherein said reinforcing ribs (212) are provided in 4, and 4 of said reinforcing ribs (212) are equally spaced.
8. The piston linking mechanism according to claim 1, wherein a connecting ring (221) is disposed at one end of the second connecting rod (22) connected to the crankshaft, and the connecting ring (221) is sleeved on the crankshaft and fixedly connected to the crankshaft.
9. The piston linking mechanism according to claim 8, wherein the connecting ring (221) is a two-half circular structure, one end of the two-half circular structure is rotatably connected, the other end of the two-half circular structure is provided with a bolt structure, and the two-half circular structure is fixedly connected through the bolt structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022008516.4U CN212803415U (en) | 2020-09-14 | 2020-09-14 | Piston chain connecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022008516.4U CN212803415U (en) | 2020-09-14 | 2020-09-14 | Piston chain connecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212803415U true CN212803415U (en) | 2021-03-26 |
Family
ID=75091101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022008516.4U Active CN212803415U (en) | 2020-09-14 | 2020-09-14 | Piston chain connecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212803415U (en) |
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2020
- 2020-09-14 CN CN202022008516.4U patent/CN212803415U/en active Active
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