CN209856178U - I-shaped positioning pin - Google Patents
I-shaped positioning pin Download PDFInfo
- Publication number
- CN209856178U CN209856178U CN201822129528.5U CN201822129528U CN209856178U CN 209856178 U CN209856178 U CN 209856178U CN 201822129528 U CN201822129528 U CN 201822129528U CN 209856178 U CN209856178 U CN 209856178U
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- groove
- muscle
- locating pin
- horizontal muscle
- shaped
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Abstract
The utility model belongs to the technical field of auto-parts and specifically relates to a I shape locating pin. The utility model provides a I shape locating pin, includes the round pin main part, and the round pin main part is including erecting muscle, horizontal muscle an and horizontal muscle b, erects the muscle and connects horizontal muscle an and horizontal muscle b, and round pin main part top cross-section is the I shape. The utility model discloses an useful part: the problems that the automobile plastic electroplating logo is provided with the positioning pin in the narrow U-shaped groove, the appearance surface of the U-shaped structure is not subjected to reduction printing, die thin steel, electroplating liquid accumulation and the like are solved, and the reliability of the positioning pin is ensured.
Description
Technical Field
The utility model belongs to the technical field of auto-parts and specifically relates to a I shape locating pin.
Background
The conventional positioning pins comprise cross positioning pins, circular positioning pins and cylindrical positioning pins, the positioning pins are generally arranged on the structural surface and the appearance surface of a part, the design and arrangement space is large, the limitation of the peripheral structural surface is avoided, the conventional positioning pins are arranged in a narrow U-shaped structure, and the problems of appearance reduction, mold thin steel, electroplating accumulated liquid and the like of products can be caused.
Disclosure of Invention
In order to solve the technical problems of the generation of the reduction print, the die thin steel and the electroplating effusion, the utility model provides an I-shaped positioning pin.
The technical scheme of the utility model as follows:
the utility model provides a I shape locating pin, includes the round pin main part, and the round pin main part is including erecting muscle, horizontal muscle an and horizontal muscle b, erects the muscle and connects horizontal muscle an and horizontal muscle b, and round pin main part top cross-section is the I shape.
The bottom of the vertical rib is grooved, the groove bottom is connected with a groove turning surface a and a groove turning surface b, the transverse rib a is arranged on the groove turning surface a, and the transverse rib b is arranged on the groove turning surface b.
The groove is a U-shaped groove.
And the groove turning surface a and the groove turning surface b are provided with rib positions.
The vertical ribs are perpendicular to the groove turning surface a and the groove turning surface b.
The wall thicknesses of the groove bottom surface, the groove turning surface a and the groove turning surface b are 0.8mm-1.2 mm.
The cross sections of the upper parts of the transverse ribs a and the transverse ribs b are gradually increased from top to bottom, and the cross sections of the lower parts of the transverse ribs a and the transverse ribs b are consistent in size.
By using the technical scheme of the utility model, the positioning pin is designed in the narrow U-shaped groove of the automobile plastic electroplating logo, so that the problems of reduction printing, mold thin steel, electroplating accumulated liquid and the like of the appearance surface of the U-shaped structure are avoided, and the reliability of the positioning pin is ensured; the I-shaped positioning pin and the U-shaped groove of the logo are connected into a whole, 2 positioning pins are adopted for common parts to be matched for use, one positioning pin is used as a main positioning pin of the logo and controls the movement of the logo in 4 directions, and the other positioning pin controls the rotation of the logo in 2 directions to realize the positioning effect; the cross section of the I-shaped positioning pin is similar to the I-shaped positioning pin, the outer contour is circular and is matched with the positioning hole of the mounting plate, and the unilateral clearance is designed to be 0.1-0.2mm, so that the positioning effect is realized; the conicity of the upper part of the I-shaped positioning pin is smaller than the conicity of the lower part, the conicity of the upper part is large, which is beneficial to the initial positioning of the logo, and the conicity of the lower part is small, which is beneficial to ensuring the height of the positioning pin and the effectiveness of positioning; the I-shaped positioning pin is basically vertical to the U-shaped groove (namely the I-shaped positioning pin connecting rib is basically vertical to the bottom surface of the U-shaped groove, the groove turning surface a and the groove turning surface b), so that the optimal arrangement effect is achieved.
Drawings
Fig. 1 and 2 are schematic structural diagrams of the present invention;
fig. 3 is a schematic structural view of the present invention taken along the section line DD in fig. 2.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Examples
The i-shaped positioning pin shown in fig. 1, 2 and 3 comprises a pin main body, wherein the pin main body comprises a vertical rib 12, a transverse rib a11 and a transverse rib b13, the vertical rib 12 is connected with the transverse rib a11 and the transverse rib b13, and the top section of the pin main body is in an i shape.
The bottom of the vertical rib 12 is provided with a groove, the groove bottom 16 is connected with a groove turning surface a15 and a groove turning surface b17, the transverse rib a11 is arranged on the groove turning surface a15, and the transverse rib b13 is arranged on the groove turning surface b 17.
The groove is a U-shaped groove.
The groove extending surface a15 and the groove extending surface b17 are provided with ribs, so that the appearance reduction print can be avoided.
The vertical ribs 12 are perpendicular to the groove-extending surface a15 and the groove-extending surface b 17.
The wall thickness of the groove bottom surface 16, the groove extending surface a15 and the groove extending surface b17 is 0.8mm-1.2 mm. The phenomenon that the cooling of parts is inconsistent due to the accumulation of injection molding materials, and the appearance surface is shrunk and printed is avoided.
The cross sections of the upper parts of the transverse ribs a11 and the transverse ribs b13 are gradually increased from top to bottom, and the cross sections of the lower parts of the transverse ribs a11 and the transverse ribs b13 are consistent in size. The lower part shows the column shape, and is designed with 0.1mm-0.2mm with the unilateral clearance of the locating hole of the mounting panel, guarantees that its location is validity, and the upper part shows the taper shape, is favorable to playing preliminary location in the emblem installation. Compared with the prior art, the advantage lies in:
1. compared with a cross positioning pin, the cross positioning pin is arranged in a U-shaped groove of a logo, the material thickness of the cross positioning pin is overlapped with the groove turnover surface a15 and the groove turnover surface b17 of the U-shaped groove, so that the material thickness of the arrangement position of the cross positioning pin is thick, the groove turnover surface a15, the groove turnover surface b17 and the groove bottom surface 16 of the U-shaped groove are reduced, and the arrangement of the cross positioning pin can cause the local position of the U-shaped groove to generate thin iron of a die, so that the service life of the die is shortened. The existing invention is basically vertical to the arrangement of the U-shaped groove, the size of the die in the U-shaped groove cannot be influenced, and the appearance of the vertical rib 12 which is in contact with the U-shaped groove is not shrunk due to the fact that the wall thickness is only 0.8mm-1.2 mm;
2. "worker" style of calligraphy locating pin compares with the ring locating pin, and the ring locating pin receives the restriction of locating pin height itself to and the ring intra-annular size is little, thereby mould size in the ring is long and little, influences the mould life-span, and the ring form locating pin is at the electroplating process, and the easy hydrops of plating solution is in the ring, thereby leads to polluting the plating solution of next process. The existing invention is basically vertical to the arrangement of the U-shaped groove, the size of a mould in the U-shaped groove cannot be influenced, thin iron of the mould does not exist, a closed structure does not exist on the positioning rib, and electroplating accumulated liquid cannot be caused;
3. compared with a cylindrical positioning pin, the I-shaped positioning pin has the advantages that the material thickness at the root part of the cylindrical positioning pin is thicker, so that appearance reduction printing is caused in the material injection molding cooling process, the structural material thickness design influencing the reduction printing of the A appearance surface is 0.8-1.2 mm, the material thickness accumulation is avoided, and the appearance reduction printing is not caused.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments within the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.
Claims (6)
1. The utility model provides a I shape locating pin which characterized in that: including selling the main part, sell the main part including erecting muscle (12), horizontal muscle a (11) and horizontal muscle b (13), erect muscle (12) and connect horizontal muscle a (11) and horizontal muscle b (13), sell main part top cross-section (104) and be the I shape, erect muscle (12) bottom grooving, tank bottom (16) and groove turn over face a (15), groove turn over face b (17) and connect, horizontal muscle a (11) are established on groove turn over face a (15), and horizontal muscle b (13) are established on groove turn over face b (17).
2. An i-shaped locating pin according to claim 1, characterized in that: the groove is a U-shaped groove.
3. An i-shaped locating pin according to claim 1, characterized in that: the groove turning surface a (15) and the groove turning surface b (17) are provided with rib positions.
4. An i-shaped locating pin according to claim 1, characterized in that: the vertical ribs (12) are perpendicular to the groove flanging surface a (15) and the groove flanging surface b (17).
5. An i-shaped locating pin according to claim 1, characterized in that: the wall thicknesses of the groove bottom surface (16), the groove extending surface a (15) and the groove extending surface b (17) are 0.8mm-1.2 mm.
6. An i-shaped locating pin according to claim 1, characterized in that: the cross sections of the upper parts of the transverse ribs a (11) and the transverse ribs b (13) are gradually increased from top to bottom, and the cross sections of the lower parts of the transverse ribs a (11) and the transverse ribs b (13) are consistent in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129528.5U CN209856178U (en) | 2018-12-18 | 2018-12-18 | I-shaped positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129528.5U CN209856178U (en) | 2018-12-18 | 2018-12-18 | I-shaped positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856178U true CN209856178U (en) | 2019-12-27 |
Family
ID=68928958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822129528.5U Active CN209856178U (en) | 2018-12-18 | 2018-12-18 | I-shaped positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856178U (en) |
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2018
- 2018-12-18 CN CN201822129528.5U patent/CN209856178U/en active Active
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