CN219827406U - Novel roller pin - Google Patents
Novel roller pin Download PDFInfo
- Publication number
- CN219827406U CN219827406U CN202320660093.5U CN202320660093U CN219827406U CN 219827406 U CN219827406 U CN 219827406U CN 202320660093 U CN202320660093 U CN 202320660093U CN 219827406 U CN219827406 U CN 219827406U
- Authority
- CN
- China
- Prior art keywords
- pin
- oil outlet
- roller
- rod
- positioning pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000007787 solid Substances 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to the technical field of pin shafts and discloses a novel roller pin, wherein an oil inlet is formed in the position of the bottom of one side of a pin rod of a pin body, an oil outlet communicated with the oil inlet is formed in the position of the middle of one side of the pin rod of the pin body, a first positioning pin hole is formed in the position of the bottom end of the other side of the pin rod of the pin body, and a second positioning pin hole is formed in the position of the top end of the other side of the pin rod of the pin body. According to the utility model, through converting the oil outlet vertically arranged on the original roller pin into the oil outlet in an oblique arrangement mode, the opening direction of the hole cavity can be changed from the middle position to the oblique lateral position, then the solid stress state in the middle of the pin rod is kept, the structural strength of the roller pin is enhanced, and through arranging two groups of positioning pin holes symmetrically arranged on the two ends of the pin rod, the uniform and synchronous stress state on the two ends of the roller pin can be kept, so that the roller pin is fixed in related parts more firmly.
Description
Technical Field
The utility model relates to the technical field of pin shafts, in particular to a novel roller pin.
Background
The pin shaft is a standardized fastener, can be fixedly connected statically and can also relatively move with a connected piece, is mainly used for hinging the two parts to form hinge connection, as shown in the existing structure (the attached drawing 2 in the specification), the cam shaft of the piece 1 rotates to drive the piece 3 guide cylinder component to move up and down, the fuel in the plunger cavity of the piece 5 is compressed when the piece 3 guide cylinder component moves up, 150MPa oil pressure is generated by spraying oil from the matching piece of the oil outlet valve of the piece 6, and in the high-strength movement of the piece 2 roller pin, if the design strength is insufficient or unreasonable, fatigue damage is easy to occur, and the most common phenomenon is that the roller pin breaks from the middle, so that the design of the roller pin needs to keep reasonable strength; as shown in the existing structure (the attached figure 3 of the specification), the oil inlet of the roller pin is at one side, the oil outlet is vertically upwards and is in the middle, and 1 positioning pin hole is arranged below the oil inlet, and the positioning pin hole is used for preventing rotation in a related part, so that lubricating oil cannot enter the roller pin.
However, the oil outlet of the existing form (figure 3 of the specification) is vertically upward and in the middle, the middle part of the oil outlet belongs to a cavity form, the strength of the pin body is weak, and fatigue damage easily occurs, so that the roller pin breaks from the middle. To this end, a person skilled in the art provides a new roller pin to solve the problems set forth in the background art above.
Disclosure of Invention
The utility model mainly aims to provide a novel roller pin, which can effectively solve the problems that an oil outlet of the conventional roller pin in the background art is always vertical upwards and in the middle, the middle part of the roller pin belongs to a cavity form, the strength of a pin body is weak, fatigue damage is easy to occur, and the roller pin is broken from the middle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a novel roller pin comprises a pin body, an oil inlet, an oil outlet, a first positioning pin hole and a second positioning pin hole;
an oil inlet is formed in the position, located at the bottom, of one side of the pin rod of the pin body, and an oil outlet communicated with the oil inlet is formed in the position, located at the middle, of one side of the pin rod of the pin body;
the other side of the pin rod of the pin body is provided with a first positioning pin hole at the bottom end position, and the other side of the pin rod of the pin body is provided with a second positioning pin hole at the top end position;
the oil inlet and the oil outlet are of an included angle structure, and the confluence conducting port of the oil inlet and the oil outlet is opposite to the axis position of the pin body;
the first positioning pin holes and the second positioning pin holes have the same size, and the first positioning pin holes and the second positioning pin holes are symmetrically arranged relative to the shaft lever center line of the pin body.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through converting the oil outlet vertically arranged on the original roller pin into the oil outlet in an oblique arrangement mode, the opening direction of the hole cavity is changed from the middle position to the oblique lateral position, then the solid stress state in the middle of the pin rod is maintained, the structural strength of the roller pin is enhanced, the compression resistance and the shock resistance of the roller pin are improved, and through arranging two groups of positioning pin holes symmetrically arranged at the two ends of the pin rod, the two ends of the roller pin can be kept in a uniform and synchronous stress state, the roller pin is fixed in related parts more firmly, and the situation of excessive wear caused by unilateral stress is avoided.
Drawings
FIG. 1 is a schematic view of a novel roller pin according to the present utility model;
FIG. 2 is a schematic diagram of a prior art installation of a novel roller pin of the present utility model;
fig. 3 is a schematic diagram of a conventional structure of a novel roller pin according to the present utility model.
In the figure: 1. a pin body; 2. an oil inlet hole; 3. an oil outlet hole; 4. a first positioning pin hole; 5. and a second locating pin hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, a novel roller pin comprises a pin body 1, an oil inlet 2, an oil outlet 3, a first positioning pin hole 4 and a second positioning pin hole 5, wherein the oil inlet 2 is formed in the position of the bottom of a pin rod of the pin body 1, the oil outlet 3 communicated with the oil inlet 2 is formed in the position of the middle of the pin rod of the pin body 1, the oil inlet 2 and the oil outlet 3 are of an included angle structure, a confluence conducting port of the oil inlet 2 and the oil outlet 3 is opposite to the position of the axle center of the pin body 1, and in the process of installation and use of the roller pin, the oil outlet 3 is designed into an oblique oil hole form, so that the middle part of the roller pin can be prevented from being perforated, and the structural strength of the roller pin is higher.
The pin rod opposite side of the pin body 1 is positioned at the bottom end position and provided with a first positioning pin hole 4, the pin rod opposite side of the pin body 1 is positioned at the top end position and provided with a second positioning pin hole 5, the size of the opening of the first positioning pin hole 4 is the same as that of the opening of the second positioning pin hole 5, the first positioning pin hole 4 and the second positioning pin hole 5 are symmetrically arranged relative to the shaft lever central line of the pin body 1, and in the installation and use process of the roller pin, the roller pin can be fixed in a related part more firmly by arranging the first positioning pin hole 4 and the second positioning pin hole 5 which are symmetrically arranged with each other at one side of the pin body 1.
The working principle of the utility model is as follows: in the process of installing and using the roller pin, the whole roller pin is installed in a related transmission mechanism (shown in an attached drawing 2 of the specification) as a pin shaft structure, and the roller pin is fixed by utilizing the insertion of a first positioning pin hole 4 and a second positioning pin hole 5 and a matched pin during installation, so that the installation stability of the roller pin is improved, and when the roller pin is assembled and used, the oil outlet (shown in an attached drawing 3 of the specification) vertically arranged on the original roller pin is converted into an oil outlet 3 in an oblique arrangement mode, the opening direction of a hole cavity of the roller pin can be changed into an oblique lateral direction from a middle direction, the solid stress state in the middle of a pin body 1 is maintained, the structural strength of the roller pin is enhanced, and the first positioning pin hole 4 and the second positioning pin hole 5 which are symmetrically arranged are formed at the two ends of the pin body 1, so that the two ends of the roller pin can be kept in a uniform and synchronous stress state, and the roller pin is fixed in a related part more firm, and the situation of excessive abrasion caused by unilateral stress is avoided.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (1)
1. The novel roller pin is characterized by comprising a pin body (1), an oil inlet (2), an oil outlet (3), a first positioning pin hole (4) and a second positioning pin hole (5);
an oil inlet (2) is formed in the position, located at the bottom, of one side of the pin rod of the pin body (1), and an oil outlet (3) communicated with the oil inlet (2) is formed in the position, located at the middle, of one side of the pin rod of the pin body (1);
a first positioning pin hole (4) is formed in the position, located at the bottom end, of the other side of the pin rod of the pin body (1), and a second positioning pin hole (5) is formed in the position, located at the top end, of the other side of the pin rod of the pin body (1);
the oil inlet (2) and the oil outlet (3) are of an included angle structure, and a converging conducting port of the oil inlet (2) and the oil outlet (3) is opposite to the axis position of the pin body (1);
the first positioning pin holes (4) and the second positioning pin holes (5) have the same size, and the first positioning pin holes (4) and the second positioning pin holes (5) are symmetrically arranged relative to the shaft lever center line of the pin body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320660093.5U CN219827406U (en) | 2023-03-30 | 2023-03-30 | Novel roller pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320660093.5U CN219827406U (en) | 2023-03-30 | 2023-03-30 | Novel roller pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827406U true CN219827406U (en) | 2023-10-13 |
Family
ID=88282514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320660093.5U Active CN219827406U (en) | 2023-03-30 | 2023-03-30 | Novel roller pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827406U (en) |
-
2023
- 2023-03-30 CN CN202320660093.5U patent/CN219827406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |