CN203926281U - A kind of integrated positioning pin-and-hole structure - Google Patents
A kind of integrated positioning pin-and-hole structure Download PDFInfo
- Publication number
- CN203926281U CN203926281U CN201420271534.3U CN201420271534U CN203926281U CN 203926281 U CN203926281 U CN 203926281U CN 201420271534 U CN201420271534 U CN 201420271534U CN 203926281 U CN203926281 U CN 203926281U
- Authority
- CN
- China
- Prior art keywords
- positioning pin
- locating stud
- gear chamber
- hole
- little
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of integrated positioning pin-and-hole structure, comprise that cylinder block, gear chamber, gear chamber cover, connecting bolt, little locating stud, large locating stud, boss, large positioning pin hole, little positioning pin hole, part clamp width, boss height.Feature is that gear chamber and gear chamber cover are fixed tightly in cylinder block by connecting bolt, large locating stud and little locating stud mounting hole are on coaxial inner conductor, having solved well two locating studs installs uncorrelated mutually, guarantee coaxality part cannot accurately be located, bolt hole dislocation, and part is not installed, move axially with locating stud, cause locating stud inoperative, the uncertainty of assembling, cause rejection and waste, the problem that impact is produced.Ensure two positioning pin hole coaxalitys, guarantee part installation precision, effectively limited the axial displacement of locating stud within the specific limits, simple in structure, easy processing, practical reliable.
Description
Technical field
The utility model relates to a kind of position structure, particularly a kind of integrated positioning pin-and-hole structure
Background technique
As shown in Figure 1, for the multiple part closed assemblies of a class and require the accurate part A of relative position, B, C, B itself need to be installed on part A, and part C is installed on part B, and by bolt by part B, part C is fixed on part A, accurate in order to ensure part mounting point, and avoid seriously causing bolt to install because of part dislocation, part B need accurately locate by locating stud and part A, and part C also needs accurately to locate by locating stud and part B, existing way is as Fig. 2, shown in Fig. 3, shown in Fig. 2, be that two positioning pin holes are independent, uncorrelated mutually, because need connect with common bolt, this kind of structure cannot ensure coaxality, part cannot accurately be located.When serious, bolt hole also can misplace, and part is installed difficulty.Shown in Fig. 3, be that two pin-and-holes are communicated with, make coaxial shoulder hole, can ensure that two pin-and-holes are coaxial, but locating stud shaft orientation moving range is larger, in machine using process, may cause locating stud to depart from correct mounting point because of vibrations, lose positioning action, reduce machine reliability.And use this kind of structure, and in assembling and positioning pin, may, because of misoperation, need to do over again, waste man-hour, affect productive temp.
Summary of the invention
The utility model provides a kind of integrated positioning pin-and-hole new structure, increases positive stop lug boss and by preferred each size combinations, solved well the defect of prior art scheme, ensuring coaxiality, accurate positioning, Reliability Assurance in the middle of two coaxial positioning pin-and-holes.
Technical solution of the present utility model is such, a kind of integrated positioning pin-and-hole structure, comprise cylinder block, gear chamber, gear chamber cover, connecting bolt, little locating stud, large locating stud, boss, large positioning pin hole, little pin-and-hole, part clamps width, boss height, it is characterized in that cylinder block 1 has gear chamber 2 above, gear chamber 2 is gear chamber cover 3 above, between cylinder block 1 and gear chamber 2 and gear chamber cover 3 by being connected and tightening up with connecting bolt 4, and pass through with large locating stud 6, little locating stud 5 is located by connecting, in the middle of gear chamber 2, there is boss a, boss a is step hole, gear chamber 2 is between cylinder block 1 being large positioning pin hole b, large positioning pin hole b installs large locating stud 6, gear chamber 2 is between gear chamber cover 3 being little positioning pin hole C, little locating stud 5 is installed to little positioning pin hole C, large positioning pin hole b, boss a, little positioning pin hole C center line is coaxial, large locating stud 6 when installation, boss a, on the shaft axis coaxial line of little locating stud 5.The gear chamber 2 that connecting bolt 4 is installed is through holes, gear chamber cover 3 is through holes, cylinder block 1 is counterbore, the cylinder block 1 that large locating stud 6 is installed is counterbore, gear chamber 2 is through holes, gear chamber cover 3 is through holes, large locating stud 6 is diameter 3～30mm, length 5～60mm, little locating stud 5 is diameter 1～30mm, length 3～50mm, gear chamber is thick: part clamps width L=10～90mm, boss height h=0.1～5mm, large positioning pin hole b=1～50mm, little positioning pin hole C=0～50mm, boss a=part clamps width L-(boss a ten large positioning pin hole b)=1～60mm.
Connecting bolt 4 has more than one.
Little locating stud 5 has more than one.
Large locating stud 6 has more than one.
Boss height h equals little locating stud external diameter and deducts the value of boss a external diameter.
Compared with prior art, the beneficial effects of the utility model are:
1, ensure two positioning pin hole coaxalitys, guarantee part installation precision, avoid part dislocation to cause assembling difficulty, affect productive temp.
2, the axial displacement that has effectively limited locating stud within the specific limits, is avoided locating stud to lose positioning action and causes the serious consequence of mechanical disorder, has improved machine reliability.
4, practical, reliable, can be used for the occasion of various needs.
3, simple for structure, processing is simple, in technique, easily realizes.
Brief description of the drawings
Fig. 1 is the overall structure assembling schematic perspective view of a kind of integrated positioning pin-and-hole of the utility model structure.
Fig. 2, Fig. 3 are prior art schematic diagram.
Fig. 4 is that big or small positioning pin hole and the middle structure while having boss of a kind of integrated positioning pin-and-hole of the utility model structure installed and used phase diagram.
Fig. 5 is the overall structure assembling cross-sectional schematic of a kind of integrated positioning pin-and-hole of the utility model structure.
Fig. 6 is the backup figure of a kind of integrated positioning pin-and-hole of the utility model structure.
Reference character: cylinder block 1, gear chamber 2, gear chamber cover 3, connecting bolt 4, little locating stud 5, large locating stud 6, boss a, large positioning pin hole b, little positioning pin hole C, part clamp width L, boss height h.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Embodiment 1, by increase by a suitable positive stop lug boss in the middle of pin-and-holes two, and preferred each size combinations, can ensure the coaxality of two pin-and-holes, can limit again moving axially within the acceptable range of two locating studs.Realize part is accurately located, stopped because of the inaccurate correlated parts installation dimension that causes of the rigging position of part own overproofly, affect entire machine quality.Avoid causing locate failure because locating stud moves axially in using process, improved the reliability of location.Also avoided causing assembling difficulty because of part dislocation or the error of locating stud fitting operation, affected productive temp.Between cylinder block 1 and gear chamber 2 and gear chamber cover 3 by being connected and tightening up with connecting bolt 4, and pass through with large locating stud 6, little locating stud 5 is located by connecting, in the middle of gear chamber 2, there is boss a, boss a is step hole, gear chamber 2 is between cylinder block 1 being large positioning pin hole b, large positioning pin hole B installs large locating stud 6, gear chamber 2 is between gear chamber cover 3 being little positioning pin hole C, little locating stud 5 is installed to little positioning pin hole C, large positioning pin hole b, boss a, little positioning pin hole C center line is coaxial, large locating stud 6 when installation, boss a, on the shaft axis coaxial line of little locating stud 5.The gear chamber 2 that connecting bolt 4 is installed is through holes, gear chamber cover 3 is through holes, cylinder block 1 is counterbore, the cylinder block 1 that large locating stud 6 is installed is counterbore, gear chamber 2 is through holes, gear chamber cover 3 is through holes, large locating stud 6 is diameter 3～30mm, length 5～60mm, little locating stud 5 is diameter 1～30mm, length 3～50mm, gear chamber is thick: part clamps width L=10～90mm, boss height h=0.1～5mm, large positioning pin hole b=1～50mm, little positioning pin hole C=0～50mm, boss a=part clamps width L-(boss a ten large positioning pin hole b)=1～60mm.Boss height h equals little locating stud external diameter and deducts the value of boss a external diameter.
Embodiment 2, and a kind of integrated positioning pin-and-hole of the utility model structure comprises many of cylinder block 1, gear chamber 2, gear chamber cover 3, connecting bolt 4(), two of little locating stud 5(), two of large locating stud 6().Gear chamber 2 is installed in cylinder block 1, and gear chamber cover 3 is installed in gear chamber 2, and fixing by connecting bolt 4, and gear chamber 2 is accurately positioned cylinder block 1 by large locating stud 6, and gear chamber cover 3 is accurately positioned in gear chamber 2 by little locating stud 5.Positioning pin hole in gear chamber 2 adopts the utility model structure, and two pin-and-holes are coaxial, middle design positive stop lug boss.In the middle of two coaxial positioning pin-and-holes, be designed with positive stop lug boss.Boss height (relatively little pin-and-hole) h, boss height h is (0.5～1mm) preferably.Boss a=part clamps width L-, and (b), positioning pin hole b, large positioning pin hole c, boss height h need to determine according to concrete case study on implementation the large positioning pin hole of boss a+ greatly, and various sizes combination, all falls into the utility model protection domain.Large locating stud 6 is that straight pin 12X26 mm(is diameter 12 mm, length 26 mm), little locating stud 5 is that straight pin 10X25 mm(is diameter 10 mm, length 25 mm), gear chamber is thick: part clamps width L=41 mm, preferred: boss height h=0.5 mm, large positioning pin hole b=14 mm, little positioning pin hole C=12 mm, boss a=part clamps width L-(large positioning pin hole b)=13 mm of boss a+.By this group preferred size, in large locating stud 6, little locating stud 5 move axially and be limited in more among a small circle, avoid locating stud to move axially the excessive positioning action that causes losing, improve reliability of positioning, in assembly process, also can not make mistakes, in this kind of structural manufacturing process, also easily realize, processing is simple.
Claims (2)
1. an integrated positioning pin-and-hole structure, comprises cylinder block, gear chamber, gear chamber cover, connecting bolt, little locating stud, large locating stud, boss, large positioning pin hole, little positioning pin hole, part clamps width, boss height, is characterized in that cylinder block (1) has gear chamber (2) above, and gear chamber (2) is gear chamber cover (3) above, between cylinder block and gear chamber and gear chamber cover by being connected and tightening up with connecting bolt (4), and by with large locating stud (6), little locating stud (5) is located by connecting, in the middle of gear chamber, there is boss a, boss a is step hole, gear chamber is between cylinder block being large positioning pin hole b, large positioning pin hole b installs large locating stud, gear chamber is between gear chamber cover being little positioning pin hole C, and little locating stud is installed to little positioning pin hole C, large positioning pin hole b, boss a, little positioning pin hole C center line is coaxial, large locating stud when installation, boss a, on the shaft axis coaxial line of little locating stud, the gear chamber that connecting bolt is installed is through hole, and gear chamber cover is through hole, and cylinder block is counterbore, the cylinder block that large locating stud is installed is counterbore, gear chamber is through hole, and gear chamber cover is through hole, and large locating stud is diameter 3～30mm, length 5～60mm, little locating stud is diameter 1～30mm, length 3～50mm, and gear chamber is thick: part clamps width L=10～90mm, boss height h=0.1～5mm, large positioning pin hole b=1～50mm, little positioning pin hole C=0～50mm, boss a=part clamps width L-(boss a ten large positioning pin hole b)=1～60mm.
2. according to a kind of integrated positioning pin-and-hole structure claimed in claim 1, it is characterized in that connecting bolt has more than one.
3. according to a kind of integrated positioning pin-and-hole structure claimed in claim 1, it is characterized in that little locating stud has more than one.
4. according to a kind of integrated positioning pin-and-hole structure claimed in claim 1, it is characterized in that large locating stud has more than one.
5. according to a kind of integrated positioning pin-and-hole structure claimed in claim 1, it is characterized in that boss height h equals little locating stud external diameter and deduct the value of boss a external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271534.3U CN203926281U (en) | 2014-05-26 | 2014-05-26 | A kind of integrated positioning pin-and-hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271534.3U CN203926281U (en) | 2014-05-26 | 2014-05-26 | A kind of integrated positioning pin-and-hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926281U true CN203926281U (en) | 2014-11-05 |
Family
ID=51822096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271534.3U Withdrawn - After Issue CN203926281U (en) | 2014-05-26 | 2014-05-26 | A kind of integrated positioning pin-and-hole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019099A (en) * | 2014-05-26 | 2014-09-03 | 广西玉柴机器股份有限公司 | Integrated positioning pin hole structure |
| CN110645248A (en) * | 2019-08-02 | 2020-01-03 | 西安飞机工业（集团）有限责任公司 | Fixed positioning pin and using method thereof |
-
2014
- 2014-05-26 CN CN201420271534.3U patent/CN203926281U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019099A (en) * | 2014-05-26 | 2014-09-03 | 广西玉柴机器股份有限公司 | Integrated positioning pin hole structure |
| CN104019099B (en) * | 2014-05-26 | 2016-07-06 | 广西玉柴机器股份有限公司 | A kind of integrated positioning pin-and-hole structure |
| CN110645248A (en) * | 2019-08-02 | 2020-01-03 | 西安飞机工业（集团）有限责任公司 | Fixed positioning pin and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |