CN209875666U - Spring taper positioning pin - Google Patents
Spring taper positioning pin Download PDFInfo
- Publication number
- CN209875666U CN209875666U CN201920107718.9U CN201920107718U CN209875666U CN 209875666 U CN209875666 U CN 209875666U CN 201920107718 U CN201920107718 U CN 201920107718U CN 209875666 U CN209875666 U CN 209875666U
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- positioning
- connecting piece
- pin
- taper
- spring
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Abstract
The utility model discloses a spring tapering locating pin, including first connecting piece, the top surface gomphosis of first connecting piece has the second connecting piece, be equipped with tapering positioning pin axle and connect the locating piece between first connecting piece and the second connecting piece, the bottom surface of tapering positioning pin axle is equipped with positioning spring. The utility model discloses utilize positioning spring to realize fixing a position rapidly and examine a part, improved assembly efficiency, shortened the assemble duration, adopt the tapering axis body, reduced the machining precision requirement, eliminated the manufacturing tolerance in product part hole, improved the location effect for use this spring tapering locating pin examine a testing result truer accurate.
Description
Technical Field
The utility model relates to a locating pin field especially relates to a spring tapering locating pin.
Background
The gauge is a simple tool which replaces professional measuring tools such as a smooth plug gauge, a threaded plug gauge, an outer diameter caliper gauge and the like for controlling products such as automobile parts to have various sizes (such as aperture, space size and the like), improves the production efficiency and the control quality, is suitable for mass production products, and often needs a positioning pin during manufacturing.
The existing positioning pin cannot rapidly position the part of the checking fixture, is low in assembly efficiency and long in assembly time, adopts a common pin shaft body, needs high manufacturing precision, cannot eliminate the manufacturing tolerance of a product part hole, and is poor in positioning effect, so that the detection result of the checking fixture has large errors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a spring taper positioning pin.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the spring taper positioning pin comprises a first connecting piece, wherein a second connecting piece is embedded in the top surface of the first connecting piece, a taper positioning pin shaft and a connecting positioning block are arranged between the first connecting piece and the second connecting piece, and a positioning spring is arranged on the bottom surface of the taper positioning pin shaft.
As a further description of the above technical solution:
the top surface of the first connecting piece is fixedly connected with a connecting positioning block, the bottom surface of the second connecting piece is provided with a positioning hole at the corresponding position of the connecting positioning block, the top surface of the connecting positioning block is attached to the top surface of the positioning hole at the bottom surface of the second connecting piece, and the connecting positioning block is in clearance fit with the positioning hole at the bottom surface of the second connecting piece.
As a further description of the above technical solution:
the taper positioning pin shaft comprises a taper pin body, the cross section of the taper pin body is isosceles trapezoid, the bottom surface of the taper pin body is fixedly connected with a limiting gasket, the bottom surface of the limiting gasket is fixedly connected with a cylindrical pin body, the diameter of the cylindrical pin body is smaller than that of the limiting gasket, and the diameter of the limiting gasket is larger than that of the taper pin body.
As a further description of the above technical solution:
the bottom surface of the first connecting piece is provided with a pin shaft mounting base, the first connecting piece is provided with a mounting hole at a corresponding position of the pin shaft mounting base, the pin shaft mounting base is embedded in the bottom surface of the mounting hole, the top surface of the pin shaft mounting base is provided with a taper positioning pin shaft, a positioning spring is arranged between the taper positioning pin shaft and the pin shaft mounting base, and the positioning spring is sleeved on the cylindrical pin body.
As a further description of the above technical solution:
the inner diameter of the positioning spring is equal to that of the cylindrical pin body, the outer diameter of the positioning spring is smaller than that of the limiting gasket, and the surface of the positioning spring is subjected to blackening treatment.
As a further description of the above technical solution:
the top surface of the cylindrical pin body is sleeved with a pin shaft outer sleeve, the pin shaft outer sleeve is embedded in the mounting hole in the top surface of the pin shaft mounting base, and the pin shaft outer sleeve is attached to the bottom surface of the second connecting piece.
As a further description of the above technical solution:
and a pin shaft hole is formed in the bottom surface of the second connecting piece at the position corresponding to the taper positioning pin shaft, the minimum diameter of the taper pin body is equal to the diameter of the pin shaft hole, and the surface of the taper pin body is carburized.
The utility model has the advantages that:
1. compared with the prior art, the utility model discloses utilize positioning spring to realize fixing a position rapidly and examine a part, improved assembly efficiency, shortened the assemble duration.
2. Compared with the prior art, the utility model discloses a tapering axis body has reduced the machining precision requirement, has eliminated the manufacturing tolerance in product part hole, has improved the location effect for use this spring tapering locating pin examine utensil testing result true more accurate.
Drawings
Fig. 1 is an axonometric view of a spring taper positioning pin provided by the utility model;
fig. 2 is a top view of a spring taper positioning pin according to the present invention;
fig. 3 is a cross-sectional view of a spring taper positioning pin provided by the present invention;
fig. 4 is the utility model provides a tapering positioning pin axle elevation of spring tapering locating pin.
Illustration of the drawings:
1. a first connecting member; 2. a second connecting member; 3. a taper positioning pin shaft; 301. a tapered pin body; 302. a limiting gasket; 303. a cylindrical pin body; 4. a positioning spring; 5. a base is installed on the pin shaft; 6. the pin shaft is sleeved; 7. and connecting the positioning block.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a spring taper positioning pin comprises a first connecting piece 1, a second connecting piece 2 is embedded on the top surface of the first connecting piece 1, a taper positioning pin shaft 3 and a connecting positioning block 7 are arranged between the first connecting piece 1 and the second connecting piece 2, and a positioning spring 4 is arranged on the bottom surface of the taper positioning pin shaft 3.
The top surface of the first connecting piece 1 is fixedly connected with a connecting positioning block 7, the bottom surface of the second connecting piece 2 is provided with a positioning hole at a position corresponding to the connecting positioning block 7, the top surface of the connecting positioning block 7 is attached to the top surface of the positioning hole at the bottom surface of the second connecting piece 2, the connecting positioning block 7 is in clearance fit with the positioning hole at the bottom surface of the second connecting piece 2, the connecting positioning block 7 plays a role in installation and positioning, so that the second connecting piece 2 with an irregular shape can be conveniently installed on the top surface of the first connecting piece 1, the taper positioning pin shaft 3 comprises a taper pin body 301, the cross section of the taper pin body 301 is isosceles trapezoid, the bottom surface of the taper pin body 301 is fixedly connected with a limit gasket 302, the bottom surface of the limit gasket 302 is fixedly connected with a cylindrical pin body 303, the diameter of the cylindrical pin body 303 is smaller than that of the limit gasket 302, the diameter of the limit gasket 302 is larger than that of, the cylindrical pin body 303 is used as a connecting part of the taper positioning pin shaft 3 and the positioning spring 4, the bottom surface of the first connecting piece 1 is provided with a pin shaft mounting base 5, the first connecting piece 1 is provided with a mounting hole at a corresponding position of the pin shaft mounting base 5, the pin shaft mounting base 5 is embedded at the bottom surface of the mounting hole, the top surface of the pin shaft mounting base 5 is provided with the taper positioning pin shaft 3, the positioning spring 4 is arranged between the taper positioning pin shaft 3 and the pin shaft mounting base 5, the positioning spring 4 is sleeved on the cylindrical pin body 303, the limiting gasket 302 limits the taper pin body 301 from sliding into a spiral inner cavity of the positioning spring 4 to cause positioning failure, the positioning spring 4 and the taper positioning pin shaft 3 form a connecting and positioning mechanism between the first connecting piece 1 and the second connecting piece 2, the inner diameter of the positioning spring 4 is equal to the cylindrical pin body 303, and the outer diameter of the positioning, the surface of the positioning spring 4 is blackened, so that the anti-rust performance of the positioning spring 4 is ensured, the service life is prolonged, the pin shaft jacket 6 is sleeved on the top surface of the cylindrical pin body 303, the pin shaft jacket 6 is embedded in the mounting hole on the top surface of the pin shaft mounting base 5, the pin shaft jacket 6 is attached to the bottom surface of the second connecting piece 2, the pin shaft jacket 6 plays a role in positioning and can also protect the taper pin body 301 from being worn easily, the bottom surface of the second connecting piece 2 is provided with a pin shaft hole at the corresponding position of the taper positioning pin shaft 3, the minimum diameter of the taper pin body 301 is equal to the diameter of the pin shaft hole, the surface of the taper pin body 301 is carburized, the minimum diameter of the taper pin body 301 is equal to the diameter of the pin shaft hole, so that the taper pin body 301 can be connected with the second connecting piece 2 through interference fit, the connection firmness is, so that the taper pin body 301 is not easy to wear or bend to affect the positioning effect.
The working principle is as follows: when the spring taper positioning pin is used, the positioning spring 4 is firstly placed on the top surface of the pin shaft mounting base 5 along the mounting hole on the first connecting piece 1, then the taper positioning pin shaft 3 is put in, so that the cylindrical pin body 303 is inserted into the positioning spring 4, the pin shaft outer sleeve 6 is sleeved on the taper pin body 301 and is inserted into the top surface of the mounting hole on the first connecting piece 1, the second connecting piece 2 is mounted on the top surface of the first connecting piece 1 along the connecting positioning block 7, the taper pin body 301 is inserted into the pin shaft hole on the bottom surface of the second connecting piece 2, the section of the taper pin body 301 is isosceles trapezoid, the manufacturing tolerance with the pin shaft hole on the bottom surface of the second connecting piece 2 can be eliminated, pressure is applied to the top surface of the second connecting piece 2, the top surface of the pin shaft outer sleeve 6 is attached to the top surface of the second connecting piece 2, the positioning spring 4 upwards supports the taper positioning pin shaft 3, and the positioning connection of the first connecting piece 1 and the second connecting piece 2 can be achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a spring tapering locating pin, includes first connecting piece (1), its characterized in that, the top surface gomphosis of first connecting piece (1) has second connecting piece (2), be equipped with tapering locating pin axle (3) and connect locating piece (7) between first connecting piece (1) and second connecting piece (2), the bottom surface of tapering locating pin axle (3) is equipped with positioning spring (4).
2. The spring taper positioning pin according to claim 1, wherein a connection positioning block (7) is fixedly connected to the top surface of the first connecting piece (1), a positioning hole is formed in the bottom surface of the second connecting piece (2) at a position corresponding to the connection positioning block (7), the top surface of the connection positioning block (7) is attached to the top surface of the positioning hole in the bottom surface of the second connecting piece (2), and the connection positioning block (7) is in clearance fit with the positioning hole in the bottom surface of the second connecting piece (2).
3. The spring taper positioning pin according to claim 1, characterized in that the taper positioning pin shaft (3) comprises a taper pin body (301), the cross section of the taper pin body (301) is isosceles trapezoid, a limiting gasket (302) is fixedly connected to the bottom surface of the taper pin body (301), a cylindrical pin body (303) is fixedly connected to the bottom surface of the limiting gasket (302), the diameter of the cylindrical pin body (303) is smaller than that of the limiting gasket (302), and the diameter of the limiting gasket (302) is larger than that of the taper pin body (301).
4. The spring taper positioning pin according to claim 1 or 3, characterized in that a pin shaft installation base (5) is arranged on the bottom surface of the first connecting piece (1), a mounting hole is formed in the corresponding position of the pin shaft installation base (5) of the first connecting piece (1), the pin shaft installation base (5) is embedded in the bottom surface of the mounting hole, a taper positioning pin shaft (3) is arranged on the top surface of the pin shaft installation base (5), a positioning spring (4) is arranged between the taper positioning pin shaft (3) and the pin shaft installation base (5), and the positioning spring (4) is sleeved on the cylindrical pin body (303).
5. The spring taper positioning pin according to claim 1, characterized in that the inner diameter of the positioning spring (4) is equal to the cylindrical pin body (303), the outer diameter of the positioning spring (4) is smaller than the diameter of the limiting gasket (302), and the surface of the positioning spring (4) is blackened.
6. The spring taper positioning pin according to claim 3, characterized in that the top surface of the cylindrical pin body (303) is sleeved with a pin shaft outer sleeve (6), the pin shaft outer sleeve (6) is embedded in the mounting hole on the top surface of the pin shaft mounting base (5), and the pin shaft outer sleeve (6) is attached to the bottom surface of the second connecting piece (2).
7. The spring taper positioning pin according to claim 1 or 3, characterized in that the bottom surface of the second connecting piece (2) is provided with a pin hole at the corresponding position of the taper positioning pin shaft (3), the minimum diameter of the taper pin body (301) is equal to the diameter of the pin hole, and the surface of the taper pin body (301) is carburized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107718.9U CN209875666U (en) | 2019-01-23 | 2019-01-23 | Spring taper positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107718.9U CN209875666U (en) | 2019-01-23 | 2019-01-23 | Spring taper positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875666U true CN209875666U (en) | 2019-12-31 |
Family
ID=68951395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920107718.9U Active CN209875666U (en) | 2019-01-23 | 2019-01-23 | Spring taper positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875666U (en) |
-
2019
- 2019-01-23 CN CN201920107718.9U patent/CN209875666U/en active Active
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