CN212318478U - Special-shaped cross positioning pin - Google Patents
Special-shaped cross positioning pin Download PDFInfo
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- CN212318478U CN212318478U CN202021110420.2U CN202021110420U CN212318478U CN 212318478 U CN212318478 U CN 212318478U CN 202021110420 U CN202021110420 U CN 202021110420U CN 212318478 U CN212318478 U CN 212318478U
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Abstract
The utility model provides a heterotypic cross locating pin, includes locating pin post and base, the locating pin post is including relative preceding pterygoid lamina, the back pterygoid lamina that sets up to and the relative left-hand wing board, the right wing board that sets up, the plane that left-hand wing board, right wing board are common is unanimous with the drawing die direction, the plane at preceding pterygoid lamina, back pterygoid lamina place respectively all is different with the drawing die direction, the bottom of preceding pterygoid lamina, back pterygoid lamina, left-hand wing board, right wing board all is connected with the top surface of base, the back pterygoid lamina is connected with the top surface of base is perpendicular, and the bottom of left-hand wing board, right wing board is connected with the. This design not only the locating pin post, the drawing die direction is different, and the cooperation platform only needs to be mutually perpendicular with the locating pin post, can prevent moreover that the part surface from appearing the sink mark, can reduce the quantity of slider.
Description
Technical Field
The utility model relates to a positioner among the plastic parts belongs to the automobile parts field, especially relates to an abnormal shape cross locating pin, the condition when specifically being applicable to locating pin post direction and demolding direction difference.
Background
Among the prior art, need use positioner in plastic parts, common be the combination of locating pin post or locating pin post, base, but no matter which kind, the direction of locating pin post all is unanimous with the drawing die direction, this just makes with it matched with all ring border spare need do one with drawing die direction vertically cooperation platform in order to match with the locating pin, this structure that can increase peripheral working of plastics undoubtedly has increaseed the degree of difficulty of panel beating punching press.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The utility model aims at overcoming the locating pin post that exists among the prior art, pattern drawing direction must be unanimous, cooperation platform need with pattern drawing direction, locating pin post all vertically defect and problem, provide a locating pin post, pattern drawing direction different, cooperation platform only need with locating pin post looks vertically heterotypic cross locating pin.
In order to achieve the above purpose, the technical solution of the utility model is that: a special-shaped cross positioning pin comprises a positioning pin column and a base, wherein the bottom end of the positioning pin column is connected with the top of the base;
the positioning pin column comprises a front wing plate, a rear wing plate, a left wing plate and a right wing plate which are oppositely arranged, the inner side parts of the front wing plate, the rear wing plate, the left wing plate and the right wing plate are mutually connected to form a pin inner column, the common plane of the left wing plate and the right wing plate is consistent with the die drawing direction, and the planes of the front wing plate and the rear wing plate are different from the die drawing direction;
the bottom of preceding pterygoid lamina, back pterygoid lamina, left wing board, right wing board all is connected with the top surface of base, the back pterygoid lamina is connected with the top surface of base is perpendicular, and the bottom of left wing board, right wing board is connected with the top surface slope of base, and is provided with a inner chamber in the inside of base.
And a mold bottom included angle is formed between the bottom ends of the left wing plate and the right wing plate and the top surface of the base, and the mold bottom included angle is an acute angle.
The front wing plate and the die drawing direction are clamped to form a front pin direction included angle which is an acute angle, and the rear wing plate and the die drawing direction are clamped to form a rear pin direction included angle which is an acute angle.
The front wing plate comprises a front upper inclined plate and a front lower straight plate, the top end of the front upper inclined plate is connected with the top end of the pin inner column, the bottom end of the front upper inclined plate is vertically connected with the top surface of the base after passing through the front lower straight plate, a front pin direction included angle is formed between the front upper inclined plate and the pattern drawing direction, and the included angle between the front upper inclined plate and the front lower straight plate is an obtuse angle;
the back pterygoid lamina is including the outer straight plate in back, the straight plate in back end and the back swash plate that connects gradually, and the straight plate mutually perpendicular in back outer straight plate, back end, the swash plate is connected with the lateral part of round pin inner prop in the back, and the straight plate in back end is connected with the top surface laminating of base, and it has the back round pin to the contained angle to press from both sides between the outer straight plate in back and the draft direction, and the outer straight plate in back, preceding straight plate is parallel to each other down.
The structure of left wing board, right wing board is unanimous, all including the side swash plate that lies in on same plane and the straight board under the side, the top of the side swash plate is connected with the top of round pin inner prop, and the bottom of the side swash plate is connected with the top of the straight board under the side, and the bottom of the straight board is connected with the top surface slope of base under the side.
The base includes the seat side wall and seat roof, the seat bottom plate that is connected rather than both ends, the top surface of seat roof all is connected with the bottom of preceding pterygoid lamina, back pterygoid lamina, left wing board, right wing board, seat roof, seat side wall, seat bottom plate enclose into the seat inner chamber of an indent altogether, and the seat inner chamber is one-way open structure.
The seat top plate is of an inverted L-shaped structure and comprises a seat top transverse plate and a seat top vertical plate which are mutually and vertically connected, the top surface of the seat top transverse plate is connected with the bottom ends of the front wing plate, the rear wing plate, the left wing plate and the right wing plate, a top notch is formed between the seat top transverse plate and the seat top vertical plate in a clamping mode, and the top notch is communicated with the seat inner cavity.
The seat side wall comprises a seat rear side wall, a seat middle side wall and a seat front side wall which are sequentially connected, the bottoms of the seat rear side wall, the seat middle side wall and the seat front side wall are connected with the seat bottom plate, the seat rear side wall and the seat front side wall are arranged just opposite to each other, and the seat rear side wall is wider than the seat front side wall.
The part of the seat back side wall close to the seat bottom plate is a base root part, and the thickness of the base root part is narrower than the thickness of the rest parts on the base.
The thickness of the root of the base is one third of the thickness of the part, close to the seat top plate, on the seat back side wall.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to an among heterotypic cross locating pin, including locating pin post and base, wherein, the locating pin post is including splicing into cross structure's preceding pterygoid lamina, back pterygoid lamina, left wing board, right wing board, the plane that left wing board, right wing board are common is unanimous with the drawing die direction, the plane at preceding pterygoid lamina, back pterygoid lamina place respectively all is different with the drawing die direction, and at this moment, the cooperation platform as long as vertical locating pin post can, and need not perpendicular drawing die direction simultaneously, not only can save drawing die direction space on the basis of ensureing locate function, has reduced the structure of peripheral working of plastics moreover, has reduced the degree of difficulty of panel beating punching press. Therefore, the utility model discloses well locating pin post, drawing die direction are different, and the cooperation platform only needs to be mutually perpendicular with the locating pin post.
2. The utility model relates to an among heterotypic cross locating pin, the locating pin post is including splicing into cross structure's preceding pterygoid lamina, back pterygoid lamina, left wing board, right wing board, and wherein, left wing board, right wing board set up relatively, and preceding pterygoid lamina, back pterygoid lamina set up relatively, and the interior lateral part interconnect of preceding pterygoid lamina, back pterygoid lamina, left wing board, right wing board is in order to constitute a round pin inner prop altogether, and this kind of cross structure of four wings can reduce the degree of difficulty of drawing of patterns, improves the efficiency of drawing of patterns. Therefore, the utility model discloses can make things convenient for the drawing of patterns.
3. The utility model relates to an among heterotypic cross locating pin, the base encloses and the seat roof that is connected rather than both ends including the seat side, the seat bottom plate, wherein, the top surface of seat roof all is connected with the bottom of locating pin post, the seat roof, the seat side encloses, the seat inner chamber of an indent is enclosed into altogether to the seat bottom plate, the seat inner chamber is one-way open structure, this kind of "kennel" structure can adjust space size, prevent that the part surface from appearing the shrink mark, especially when the thickness of the base root in the seat side wall is narrower than the thickness at all the other positions on the base, more can prevent that the part surface from producing the shrink mark. Therefore, the utility model discloses can prevent that the part surface from appearing the sink mark.
4. The utility model relates to an among heterotypic cross locating pin, the seat roof board is the type of falling L structure, seat top diaphragm and seat top riser including mutually perpendicular connects, it has a breach to press from both sides between seat top diaphragm and the seat top riser, should push up the breach and communicate with each other with the seat inner chamber, this design enables the front lower place of locating pin post and communicates with each other with the seat inner chamber in the base, be convenient for make a whole with the lower part slider of the locating pin post of this side and base slider, follow three common with the slider structure from prior art, change to two sliders, slider quantity has been reduced, the complexity of expense and technology has been reduced. Therefore, the utility model discloses can reduce the quantity of slider, reduce application cost and technology complexity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is a schematic structural view in application of the present invention.
Fig. 5 is a schematic top view of fig. 4.
In the figure: the pin inner column 1, the positioning pin column 2, the base 3, the base inner cavity 30, the base top plate 31, the base top transverse plate 311, the base top vertical plate 312, the top notch 313, the base side wall 32, the base rear side wall 321, the base middle side wall 322, the base front side wall 323, the base bottom plate 33, the base root 34, the front wing plate 4, the front pin direction included angle 41, the front upper inclined plate 42, the front lower straight plate 43, the rear wing plate 5, the rear pin direction included angle 51, the rear outer straight plate 52, the rear bottom straight plate 53, the rear inner inclined plate 54, the left wing plate 6, the die direction included angle 61, the right wing plate 7, the side upper inclined plate 71, the side lower straight plate 72, the first slide block 8, the second slide block 9, the die drawing direction 10 and the positioning pin column direction 11.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-5, a special-shaped cross positioning pin comprises a positioning pin column 2 and a base 3, wherein the bottom end of the positioning pin column 2 is connected with the top of the base 3;
the positioning pin column 2 comprises a front wing plate 4 and a rear wing plate 5 which are oppositely arranged, and a left wing plate 6 and a right wing plate 7 which are oppositely arranged, the inner side parts of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7 are mutually connected to form a pin inner column 1, the common plane of the left wing plate 6 and the right wing plate 7 is consistent with a die drawing direction 10, and the planes of the front wing plate 4 and the rear wing plate 5 are different from the die drawing direction 10;
the bottom of preceding pterygoid lamina 4, back pterygoid lamina 5, left wing board 6, right wing board 7 all is connected with the top surface of base 3, back pterygoid lamina 5 is connected with the top surface of base 3 is perpendicular, and the bottom of left wing board 6, right wing board 7 is connected with the top surface slope of base 3, and is provided with a seat inner chamber 30 in the inside of base 3.
And a mold bottom included angle 61 is formed between the bottom ends of the left wing plate 6 and the right wing plate 7 and the top surface of the base 3, and the mold bottom included angle 61 is an acute angle.
An acute front pin direction included angle 41 is formed between the front wing plate 4 and the die drawing direction 10, and an acute rear pin direction included angle 51 is formed between the rear wing plate 5 and the die drawing direction 10.
The front wing plate 4 comprises a front upper inclined plate 42 and a front lower straight plate 43, the top end of the front upper inclined plate 42 is connected with the top end of the pin inner column 1, the bottom end of the front upper inclined plate 42 is vertically connected with the top surface of the base 3 after passing through the front lower straight plate 43, a front pin direction included angle 41 is formed between the front upper inclined plate 42 and the pattern drawing direction 10, and the included angle between the front upper inclined plate 42 and the front lower straight plate 43 is an obtuse angle;
the rear wing plate 5 comprises a rear outer straight plate 52, a rear bottom straight plate 53 and a rear inner inclined plate 54 which are sequentially connected, the rear outer straight plate 52 and the rear bottom straight plate 53 are mutually perpendicular, the rear inner inclined plate 54 is connected with the side part of the pin inner column 1, the rear bottom straight plate 53 is connected with the top surface of the base 3 in an attaching mode, a rear pin direction included angle 51 is formed between the rear outer straight plate 52 and the drawing direction 10 in a clamping mode, and the rear outer straight plate 52 and the front lower straight plate 43 are mutually parallel.
The left wing plate 6 and the right wing plate 7 are identical in structure and comprise a side upper inclined plate 71 and a side lower straight plate 72 which are located on the same plane, the top end of the side upper inclined plate 71 is connected with the top end of the pin inner column 1, the bottom end of the side upper inclined plate 71 is connected with the top end of the side lower straight plate 72, and the bottom end of the side lower straight plate 72 is obliquely connected with the top surface of the base 3.
The base 3 comprises a seat side wall 32, a seat top plate 31 and a seat bottom plate 33 which are connected with two ends of the seat side wall, the top surface of the seat top plate 31 is connected with the bottom ends of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7, the seat top plate 31, the seat side wall 32 and the seat bottom plate 33 enclose a concave seat inner cavity 30, and the seat inner cavity 30 is of a one-way opening structure.
The seat top plate 31 is of an inverted-L-shaped structure and comprises a seat top transverse plate 311 and a seat top vertical plate 312 which are vertically connected with each other, the top surface of the seat top transverse plate 311 is connected with the bottom ends of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7, a top notch 313 is formed between the seat top transverse plate 311 and the seat top vertical plate 312 in a clamping mode, and the top notch 313 is communicated with the seat inner cavity 30.
The seat side wall 32 comprises a seat back side wall 321, a seat middle side wall 322 and a seat front side wall 323 which are sequentially connected, the bottoms of the seat back side wall 321, the seat middle side wall 322 and the seat front side wall 323 are all connected with the seat bottom plate 33, the seat back side wall 321 and the seat front side wall 323 are arranged just opposite to each other, and the seat back side wall 321 is wider than the seat front side wall 323.
The part of the seat back side 321 near the seat bottom plate 33 is a base root part 34, and the thickness of the base root part 34 is smaller than the thickness of the rest parts on the base 3.
The thickness of the base root part 34 is one third of the thickness of the part of the seat back side wall 321 close to the seat top plate 31.
The principle of the utility model is explained as follows:
referring to fig. 1, 4 and 5, in the prior art, a slider is respectively arranged on a positioning pin 2 near a front wing plate 4 and a rear wing plate 5, and a slider is also arranged on a base 3 near a base bottom plate 33, namely three sliders in total, but in the design, through the design of a top notch 313, the front lower part of the positioning pin 2 is communicated with a base inner cavity 30 to form a special-shaped structure, so that the slider near the front wing plate 4 and the slider near the base bottom plate 33 are designed into a whole, and only two sliders (a slider one 8 and a slider two 9) are needed in total, the number of sliders is reduced, and the cost is reduced.
Example 1:
referring to fig. 1-5, a special-shaped cross positioning pin comprises a positioning pin column 2 and a base 3, wherein the bottom end of the positioning pin column 2 is connected with the top of the base 3; the positioning pin column 2 comprises a front wing plate 4 and a rear wing plate 5 which are oppositely arranged, and a left wing plate 6 and a right wing plate 7 which are oppositely arranged, the inner side parts of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7 are mutually connected to form a pin inner column 1, the common plane of the left wing plate 6 and the right wing plate 7 is consistent with a die drawing direction 10, and the planes of the front wing plate 4 and the rear wing plate 5 are different from the die drawing direction 10; the bottom of preceding pterygoid lamina 4, back pterygoid lamina 5, left wing board 6, right wing board 7 all is connected with the top surface of base 3, back pterygoid lamina 5 is connected with the top surface of base 3 is perpendicular, and the bottom of left wing board 6, right wing board 7 is connected with the top surface slope of base 3, and is provided with a seat inner chamber 30 in the inside of base 3. Preferably, a mold bottom included angle 61 is formed between the bottom ends of the left wing plate 6 and the right wing plate 7 and the top surface of the base 3, and the mold bottom included angle 61 is an acute angle.
Example 2:
the basic contents are the same as example 1, except that:
an acute front pin direction included angle 41 is formed between the front wing plate 4 and the die drawing direction 10, and an acute rear pin direction included angle 51 is formed between the rear wing plate 5 and the die drawing direction 10. The front wing plate 4 comprises a front upper inclined plate 42 and a front lower straight plate 43, the top end of the front upper inclined plate 42 is connected with the top end of the pin inner column 1, the bottom end of the front upper inclined plate 42 is vertically connected with the top surface of the base 3 after passing through the front lower straight plate 43, a front pin direction included angle 41 is formed between the front upper inclined plate 42 and the pattern drawing direction 10, and the included angle between the front upper inclined plate 42 and the front lower straight plate 43 is an obtuse angle; the rear wing plate 5 comprises a rear outer straight plate 52, a rear bottom straight plate 53 and a rear inner inclined plate 54 which are sequentially connected, the rear outer straight plate 52 and the rear bottom straight plate 53 are mutually perpendicular, the rear inner inclined plate 54 is connected with the side part of the pin inner column 1, the rear bottom straight plate 53 is connected with the top surface of the base 3 in an attaching mode, a rear pin direction included angle 51 is formed between the rear outer straight plate 52 and the drawing direction 10 in a clamping mode, and the rear outer straight plate 52 and the front lower straight plate 43 are mutually parallel. The left wing plate 6 and the right wing plate 7 are identical in structure and comprise a side upper inclined plate 71 and a side lower straight plate 72 which are located on the same plane, the top end of the side upper inclined plate 71 is connected with the top end of the pin inner column 1, the bottom end of the side upper inclined plate 71 is connected with the top end of the side lower straight plate 72, and the bottom end of the side lower straight plate 72 is obliquely connected with the top surface of the base 3.
Example 3:
the basic content is the same as that of the embodiment 2, except that:
the base 3 comprises a seat side wall 32, a seat top plate 31 and a seat bottom plate 33 which are connected with two ends of the seat side wall, the top surface of the seat top plate 31 is connected with the bottom ends of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7, the seat top plate 31, the seat side wall 32 and the seat bottom plate 33 enclose a concave seat inner cavity 30, and the seat inner cavity 30 is of a one-way opening structure. The seat top plate 31 is of an inverted-L-shaped structure and comprises a seat top transverse plate 311 and a seat top vertical plate 312 which are vertically connected with each other, the top surface of the seat top transverse plate 311 is connected with the bottom ends of the front wing plate 4, the rear wing plate 5, the left wing plate 6 and the right wing plate 7, a top notch 313 is formed between the seat top transverse plate 311 and the seat top vertical plate 312 in a clamping mode, and the top notch 313 is communicated with the seat inner cavity 30.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all equivalent modifications or changes made by those skilled in the art according to the present invention should be included in the protection scope of the claims.
Claims (10)
1. The utility model provides a heterotypic cross locating pin, includes locating pin post (2) and base (3), the bottom of locating pin post (2) is connected with the top of base (3), its characterized in that:
the positioning pin column (2) comprises a front wing plate (4) and a rear wing plate (5) which are arranged oppositely, and a left wing plate (6) and a right wing plate (7) which are arranged oppositely, the inner side parts of the front wing plate (4), the rear wing plate (5), the left wing plate (6) and the right wing plate (7) are connected with each other to form a pin inner column (1) together, the common plane of the left wing plate (6) and the right wing plate (7) is consistent with a die drawing direction (10), and the planes of the front wing plate (4) and the rear wing plate (5) are different from the die drawing direction (10);
the bottom of preceding pterygoid lamina (4), back pterygoid lamina (5), left wing board (6), right wing board (7) all is connected with the top surface of base (3), back pterygoid lamina (5) are connected with the top surface of base (3) is perpendicular, and the bottom of left wing board (6), right wing board (7) is connected with the top surface slope of base (3), and is provided with a seat inner chamber (30) in the inside of base (3).
2. The profiled cross locating pin of claim 1, wherein: and a mold bottom included angle (61) is formed between the bottom ends of the left wing plate (6) and the right wing plate (7) and the top surface of the base (3), and the mold bottom included angle (61) is an acute angle.
3. A profiled cross dowel as claimed in claim 1 or claim 2, wherein: a front pin direction included angle (41) which is an acute angle is formed between the front wing plate (4) and the die drawing direction (10), and a rear pin direction included angle (51) which is an acute angle is formed between the rear wing plate (5) and the die drawing direction (10).
4. A profiled cross locating pin according to claim 3 wherein:
the front wing plate (4) comprises a front upper inclined plate (42) and a front lower straight plate (43), the top end of the front upper inclined plate (42) is connected with the top end of the pin inner column (1), the bottom end of the front upper inclined plate (42) is vertically connected with the top surface of the base (3) through the front lower straight plate (43), a front pin direction included angle (41) is formed between the front upper inclined plate (42) and the pattern drawing direction (10), and the included angle between the front upper inclined plate (42) and the front lower straight plate (43) is an obtuse angle;
rear wing plate (5) are including the back outer straight plate (52), back end straight plate (53) and back inner inclined plate (54) that connect gradually, back outer straight plate (52), back end straight plate (53) mutually perpendicular, back inner inclined plate (54) is connected with the lateral part of round pin inner column (1), and back end straight plate (53) is connected with the top surface laminating of base (3), and back outer straight plate (52) and drawing die direction (10) are pressed from both sides into to have back round pin to contained angle (51), and back outer straight plate (52), preceding lower straight plate (43) are parallel to each other.
5. The profiled cross locating pin of claim 4, wherein: the structure of left pterygoid lamina (6), right pterygoid lamina (7) is unanimous, all includes side swash plate (71) and the straight board (72) under the side that lie in on the same plane, the top of side swash plate (71) is connected with the top of round pin inner prop (1), and the bottom of side swash plate (71) is connected with the top of the straight board (72) under the side, and the bottom of the straight board (72) is connected with the top surface slope of base (3) under the side.
6. A profiled cross dowel as claimed in claim 1 or claim 2, wherein: the base (3) comprises a seat side wall (32), a seat top plate (31) and a seat bottom plate (33), wherein the seat top plate (31) and the two ends of the seat top plate are connected, the top surface of the seat top plate (31) is connected with the bottom ends of the front wing plate (4), the rear wing plate (5), the left wing plate (6) and the right wing plate (7), the seat top plate (31), the seat side wall (32) and the seat bottom plate (33) enclose a concave seat inner cavity (30) together, and the seat inner cavity (30) is of a one-way opening structure.
7. The profiled cross locating pin of claim 6, wherein: seat top board (31) are the type of falling L structure, including seat top diaphragm (311) and seat top riser (312) that mutually perpendicular connects, the top surface of seat top diaphragm (311) all is connected with the bottom of preceding pterygoid lamina (4), back pterygoid lamina (5), left wing board (6), right pterygoid lamina (7), it has a top breach (313) to press from both sides between seat top diaphragm (311) and seat top riser (312), and this top breach (313) communicates with each other with a seat inner chamber (30).
8. The profiled cross locating pin of claim 7, wherein: seat side wall (32) are including seat back side wall (321), seat middle side wall (322) and seat front side wall (323) that connect gradually, the bottom of seat back side wall (321), seat middle side wall (322), seat front side wall (323) all is connected with seat bottom plate (33), and seat back side wall (321), seat front side wall (323) are just to setting up, and seat back side wall (321) wide in seat front side wall (323) setting.
9. The profiled cross locating pin of claim 8, wherein: the part of the seat back side wall (321) close to the seat bottom plate (33) is a base root part (34), and the thickness of the base root part (34) is smaller than that of the rest parts on the base (3).
10. A profiled cross locating pin according to claim 9 wherein: the thickness of the base root part (34) is one third of the thickness of the part, close to the seat top plate (31), on the seat back side wall (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110420.2U CN212318478U (en) | 2020-06-16 | 2020-06-16 | Special-shaped cross positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110420.2U CN212318478U (en) | 2020-06-16 | 2020-06-16 | Special-shaped cross positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318478U true CN212318478U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021110420.2U Active CN212318478U (en) | 2020-06-16 | 2020-06-16 | Special-shaped cross positioning pin |
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|---|---|
| CN (1) | CN212318478U (en) |
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2020
- 2020-06-16 CN CN202021110420.2U patent/CN212318478U/en active Active
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