CN212003869U - Special-shaped eccentric pin column - Google Patents
Special-shaped eccentric pin column Download PDFInfo
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- CN212003869U CN212003869U CN201922346381.XU CN201922346381U CN212003869U CN 212003869 U CN212003869 U CN 212003869U CN 201922346381 U CN201922346381 U CN 201922346381U CN 212003869 U CN212003869 U CN 212003869U
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- eccentric disc
- round pin
- eccentric
- pin post
- pin
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Abstract
The utility model belongs to the technical field of the machine parts processing technique and specifically relates to a dysmorphism eccentric round pin post, this dysmorphism eccentric round pin post can be used to accuse circuit system in the car, including the eccentric disc, the eccentric disc both sides are fixed with cylindrical connecting rod and round pin post, the connecting rod is not on same water flat line with the round pin post, the shape of eccentric disc is special-shaped circle, the eccentric disc is formed by the combination of some fan-shapes and a semicircle, still include the changeover portion, the changeover portion setting shape is the round platform between eccentric disc and round pin post, the changeover portion is connected eccentric disc diameter and is greater than connecting round pin post part diameter, still include the boss, the tail end at the round pin post is fixed to the boss, the boss shape is outwards reduced for the diameter that the part diameter of round platform and round pin post connection.
Description
Technical Field
The utility model belongs to the technical field of the machine parts processing technique and specifically relates to a dysmorphism eccentric round pin post, this dysmorphism eccentric round pin post can be used to accuse circuit system in the car.
Background
The cold heading process is one of the novel processes for machining less and no cutting metal under pressure. The method is a processing method which utilizes the plastic deformation generated by metal under the action of external force and redistributes and transfers the volume of the metal by means of a die so as to form the required part or blank. The cold heading process is most suitable for producing standard fasteners such as bolts, screws, nuts, rivets, pins, and the like.
The equipment commonly used in the cold heading process is a special cold heading machine. If the throughput is not too great, a crank press or a friction press may be used instead. With the rapid development of national economy, the multi-station automatic cold header designed and manufactured by workers in China in a grade level reaches the advanced level of special and high efficiency.
The pin is generally used for connecting and locking parts or for assembling and positioning, and can also be used as a part of a safety device, and the round pin is fixed in a hole by interference so as to fix the parts, transmit power or be used as a positioning part. Often need use eccentric round pin post in actual production process, adopt die-casting shaping or CNC processing eccentric round pin post among the prior art mostly, this often can increase cost, inefficiency, production cycle length, the mould life-span is not high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an eccentric round pin post of dysmorphism utilizes cold-heading technique to accomplish all sizes, and eccentric characteristic and dysmorphism circle can save material, and the metal streamline is complete, increases part strength, reduces manufacturing procedure, improves machining efficiency.
The utility model discloses a specific technical scheme as follows:
the utility model provides an eccentric round pin post of dysmorphism, including the eccentric disc, the eccentric disc both sides are fixed with cylindrical connecting rod and round pin post, the connecting rod is not on same water flat line with the round pin post, the shape of eccentric disc is special-shaped circle, the eccentric disc is formed by partly fan-shaped and a semicircle combination, still include the changeover portion, the changeover portion sets up the shape between eccentric disc and round pin post and is the round platform, the changeover portion is connected eccentric disc portion diameter and is greater than connecting round pin post part diameter, still include the boss, the tail end at the round pin post is fixed to the boss, the boss is the part that round platform and round pin post are connected, the boss is the round platform shape, the maximum diameter of boss equals.
In the technical scheme, the diameter R1 of the connecting rod is between 1.5 and 1.7, the diameter R2 of the pin is between 5.2 and 5.3, the length L1 of the connecting rod is 5, the thickness L2 of the eccentric disc is between 2.3 and 2.8, the total length L3 of the pin connecting transition section and the boss is between 14.5 and 15.5, the length L4 of the boss is between 0.8 and 1.2, the widest part L5 of the eccentric disc is between 9.9 and 10.1, the distance H1 from the center of the connecting rod to the connecting part of the fan-shaped structure and the semicircular structure of the eccentric disc is between 7.4 and 7.6, and the total height H2 of the eccentric disc is between 15.0 and 15.5.
The utility model has the advantages that: the utility model discloses utilize cold-heading technique to accomplish all sizes, eccentric characteristic and dysmorphism circle, can save material, the metal streamline is complete, increases part strength, reduces manufacturing procedure, improves machining efficiency.
Drawings
Fig. 1 is a schematic structural view of the opposite-sex eccentric pin of the present invention.
Fig. 2 is a left side view of fig. 1.
In the figure, 1-eccentric disc, 2-pin column, 3-connecting rod, 4-transition section and 5-lug boss.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Example (b): as shown in fig. 1 and 2, a special-shaped eccentric pin 2 comprises an eccentric disc 1, a cylindrical connecting rod 3 and a pin 2 are fixed on two sides of the eccentric disc 1, the connecting rod 3 and the pin 2 are not on the same horizontal line, the eccentric disc 1 is shaped like a special-shaped circle, the eccentric disc 1 is formed by combining a part of a sector and a semicircle, the special-shaped eccentric pin further comprises a transition section 4, the transition section 4 is arranged between the eccentric disc 1 and the pin 2 and is shaped like a circular truncated cone, the diameter of the part, connected with the eccentric disc 1, of the transition section 4 is larger than the diameter of the part, connected with the pin 2, of the transition section 4, the boss 5 is fixed at the tail end of the pin 2, the boss 5 is connected with the pin 2 and is shaped like a circular truncated cone, and the maximum diameter of the boss 5 is.
In the technical scheme, the diameter R1 of the connecting rod 3 is between 1.5 and 1.7, the diameter R2 of the pin 2 is between 5.2 and 5.3, the length L1 of the connecting rod 3 is 5, the thickness L2 of the eccentric disc 1 is between 2.3 and 2.8, the total length L3 of the pin 2 connecting transition section 4 and the boss 5 is between 14.5 and 15.5, the length L4 of the boss 5 is between 0.8 and 1.2, the widest part L5 of the eccentric disc 1 is between 9.9 and 10.1, the distance H1 from the center of the connecting rod 3 to the connecting part of the fan-shaped structure and the semicircular structure of the eccentric disc 1 is between 7.4 and 7.6, and the total height H2 of the eccentric disc 1 is between 15.0 and 15.5.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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 (3)
1. The special-shaped eccentric pin is characterized by comprising an eccentric disc, wherein a cylindrical connecting rod and a pin are fixed on two sides of the eccentric disc, the connecting rod and the pin are not on the same horizontal line, the eccentric disc is shaped like a special-shaped circle, and the eccentric disc is formed by combining a part of a sector and a semicircle.
2. The shaped eccentric pin according to claim 1, further comprising a transition section in the shape of a circular truncated cone disposed between said eccentric disc and said pin, said transition section having a diameter greater than a diameter of a portion connecting said eccentric disc to said pin.
3. The special-shaped eccentric pin according to claim 2, further comprising a boss fixed to the tail end of the pin, wherein the boss is a portion of the pin connected to the circular truncated cone, the boss is in the shape of a circular truncated cone, and the maximum diameter of the boss is equal to the diameter of the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346381.XU CN212003869U (en) | 2019-12-24 | 2019-12-24 | Special-shaped eccentric pin column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346381.XU CN212003869U (en) | 2019-12-24 | 2019-12-24 | Special-shaped eccentric pin column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003869U true CN212003869U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346381.XU Active CN212003869U (en) | 2019-12-24 | 2019-12-24 | Special-shaped eccentric pin column |
Country Status (1)
| Country | Link |
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| CN (1) | CN212003869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886756A (en) * | 2019-12-24 | 2020-03-17 | 苏州工业园区新凯精密五金有限公司 | Special-shaped eccentric pin column and production process thereof |
-
2019
- 2019-12-24 CN CN201922346381.XU patent/CN212003869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886756A (en) * | 2019-12-24 | 2020-03-17 | 苏州工业园区新凯精密五金有限公司 | Special-shaped eccentric pin column and production process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.36, Jiasheng Road, Shengpu Town, Suzhou Industrial Park, Suzhou, Jiangsu Province, 215000 Patentee after: Suzhou Xinkai fastening system Co.,Ltd. Address before: No.36, Jiasheng Road, Shengpu Town, Suzhou Industrial Park, Suzhou, Jiangsu Province, 215000 Patentee before: SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |