CN104747561A - Pin shaft with elastic anti-falling column pin - Google Patents
Pin shaft with elastic anti-falling column pin Download PDFInfo
- Publication number
- CN104747561A CN104747561A CN201510151726.XA CN201510151726A CN104747561A CN 104747561 A CN104747561 A CN 104747561A CN 201510151726 A CN201510151726 A CN 201510151726A CN 104747561 A CN104747561 A CN 104747561A
- Authority
- CN
- China
- Prior art keywords
- pin
- locking
- hole
- annular groove
- bearing pin
- 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.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 abstract 5
- 230000006835 compression Effects 0.000 abstract 4
- 238000007906 compression Methods 0.000 abstract 4
- 238000009434 installation Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 241000251131 Sphyrna Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
- F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a pin shaft with an elastic anti-falling column pin. The pin shaft comprises a pin body, a locking end, an annular groove, a locking spacer sleeve, the column pin and a compression spring. The annular groove is formed between the pin body and the locking end, and a pin hole is formed in the annular groove. The compression spring is arranged in the pin hole. The column pin is arranged above the compressing spring in the pin hole, and when the compression spring is in a natural state, a small column stretches out of the pin hole. The locking spacer sleeve is provided with a sleeve hole with the shape corresponding to that of the locking end, and a locating hole and an auxiliary hole are formed in the wall of the sleeve hole. The pin shaft is sleeved with the locking spacer sleeve, a cylindrical pin is clamped in the auxiliary hole in the locking spacer sleeve under the tension action of the compression spring, and the locking spacer sleeve is not likely to fall off. The problem that an exiting pin shaft at present is likely to fall can be effectively solved, and the pin shaft is simple in structure, convenient to mount and high in practicality.
Description
Technical field
The present invention relates to bearing pin field, specifically relate to a kind of bearing pin with elasticity anticreep pin.
Background technique
Bearing pin is as hinged standing finish, all essential in numerous machinery, as the tup on hammertype shredder, the scraper plate etc. on submerged slag conveyor, all need to carry out hinged fixing to it with bearing pin, the bearing pin of current use adopts cotter pin or ring locking interstage sleeve to come lock clasp mostly, prevents bearing pin from coming off.But in use, this bearing pin is but very easy to come off, coming off of bearing pin, be not that bearing pin self is out of joint, but because in actual use, bearing pin is subject to axially simultaneously, the External Force Acting of radial direction, circumferencial direction, and cause the cotter pin of locking bearing pin or ring locking interstage sleeve to get loose, the bearing pin losing locking just comes off thereupon.Bearing pin comes off, and often there is great potential safety hazard, and such as, just at the grinder hammerhead of High Rotation Speed, because the coming off of bearing pin, tup will fly out with great inertia, is a kind ofly to threaten greatly to the personal safety of field worker.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention provides a kind of bearing pin with elasticity anticreep pin, effectively can solve the problem easily got loose that existing bearing pin at present exists, structure is simple, easy for installation, practical.
Technological scheme of the present invention is as follows: a kind of bearing pin with elasticity anticreep pin, comprises shank, locking termination, annular groove, locking interstage sleeve, pin, Compress Spring; Annular groove is provided with between shank and locking termination; The end face of annular groove covers completely for locking termination, and annular groove is provided with pin-and-hole; Compress Spring is provided with in pin-and-hole; Pin is lower large little ladder column type, and its huge pillar, is contained in pin-and-hole on Compress Spring down, Compress Spring in the raw time, pillar stretches out outside pin-and-hole.
The thickness of locking interstage sleeve is less than or equal to the thickness of annular groove, is provided with the trepanning corresponding with locking end head shapes in the middle of it, annular groove outer surface and the tangent laminating of trepanning in locking interstage sleeve; The wall of trepanning offers positioning hole and via hole; The shape of positioning hole is corresponding with the huge pillar of pin, and the shape of via hole is corresponding with the pillar of pin.
Shank is cylinder type.
Locking termination is prismatic.
Arbitrary drift angle of the axial corresponding edge column section of positioning hole is arranged.
Locking termination is four-prism, and annular groove excircle is tangent with four limits of locking termination.
Arbitrary drift angle of the corresponding square sectional of axis of positioning hole is arranged.
Via hole is located on the arbitrary limit in the both sides of position of positioning hole drift angle, and corresponding annular groove excircle is arranged with the point of contact of locking termination.
Pin is stepped cylindrical type pin.
The profile of locking interstage sleeve is cylindrical body.
The present invention adopts the structure that matches of pin of locking termination and annular groove, locking interstage sleeve, band Compress Spring cleverly, achieve locking interstage sleeve to fix the effectively stable of bearing pin, ensure that bearing pin in actual use, its locking interstage sleeve can not depart from easily, ensure that the stability that bearing pin is installed and persistency, considerably increase the working life of bearing pin.
Relative to existing bearing pin, the bearing pin preferred version of band elasticity anticreep pin provided by the invention: locking termination is four-prism, annular groove excircle is tangent with four limits of locking termination, and arbitrary drift angle of the corresponding square sectional of axis of positioning hole is arranged.In actual use, annular groove outer surface and the tangent laminating of trepanning in locking interstage sleeve, not easily loosen, effectively can eliminate the radial force that locking interstage sleeve is in use subject to; After installation, the locked locking interstage sleeve of pin, locking interstage sleeve is submitted with locking termination and is pitched locking state, by locking the corner of termination, withstand four limits of trepanning of locking interstage sleeve, more effectively can eliminate axial force, radial force and circumferencial direction active force that locking interstage sleeve is in use subject to like this, locking interstage sleeve not easily gets loose, landing, anticreep effect is very good, structure is simple, and fabricating cost is low, easy for installation, the bearing pin life-span improves greatly, and Safety performance also improves greatly.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is parts drawing of the present invention.
Accompanying drawing identifies: 1-shank, 2-locking termination, 3-annular groove, 4-lock interstage sleeve, 5-pin, 6-Compress Spring, 31 pin-and-holes, 41 trepannings, 42 positioning holes, 43 via holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
As shown in Figure 1, Figure 3, a kind of bearing pin with elasticity anticreep pin, comprises shank 1, locking termination 2, annular groove 3, locking interstage sleeve 4, pin 5, Compress Spring 6; Annular groove 3 is provided with between shank 1 and locking termination 2; The end face of annular groove 3 covers completely for locking termination 2, and annular groove 3 is provided with pin-and-hole 31; Compress Spring 6 is provided with in pin-and-hole 31; Pin 5 is lower large little ladder column type, and its huge pillar, is contained in pin-and-hole 31 on Compress Spring 6 down, Compress Spring 6 in the raw time, pillar stretches out outside pin-and-hole 31;
The thickness of locking interstage sleeve 4 is less than or equal to the thickness of annular groove 3, is provided with the trepanning 41 corresponding with locking termination 2 shape in the middle of it, annular groove 3 outer surface and the tangent laminating of trepanning 41 in locking interstage sleeve 4; The wall of trepanning 41 offers positioning hole 42 and via hole 43; The shape of positioning hole 42 is corresponding with the huge pillar of pin 5, and the shape of via hole 43 is corresponding with the pillar of pin 5.
Shank 1 is cylinder type.
Locking termination 2 is prismatic.
Arbitrary drift angle of the axial corresponding edge column section of positioning hole 42 is arranged.
Locking termination 2 is four-prism, and annular groove 3 excircle is tangent with four limits of locking termination 2.
Arbitrary drift angle of the corresponding square sectional of axis of positioning hole 42 is arranged.
Via hole 43 is located on the arbitrary limit in the both sides of positioning hole 42 position drift angle, and corresponding annular groove 3 excircle is arranged with the point of contact of locking termination 2.
Pin 5 is stepped cylindrical type pin.
The profile of locking interstage sleeve 4 is cylindrical body.
During installation, Compress Spring 6 is put into the cylinder pin hole 31 on annular groove 3, cylinder pin hole 31 position on the corresponding annular groove 3 of positioning hole 42 on locking interstage sleeve 4, trepanning 41 is through locking termination 2, arrive annular groove 3 place, annular groove 3 outer surface and the tangent laminating of trepanning 41 in locking interstage sleeve 4, pin-and-hole 31 on adjustment positioning hole 42 alignment ring connected in star 3, then by pin 5 huge pillar down, to load in pin-and-hole 31 on Compress Spring 6 through positioning hole 42, firmly pin 5 is pressed in pin-and-hole 31 with instrument, locking interstage sleeve 4 is rotated 45 degree to via hole 43 direction, make via hole 43 on locking interstage sleeve 4 just to the pin-and-hole 31 on annular groove 3, pin 5 is under the effect of Compress Spring 6, pillar is by the via hole 43 headed on locking interstage sleeve 4, interstage sleeve 4 will be locked stuck, prevent locking interstage sleeve 4 from rotating, the now locked locking interstage sleeve 4 of pin 5, locking interstage sleeve 4 and locking termination 2 are in intersecting locking state, can prevent from locking getting loose of termination 2, during dismounting, firmly pin 5 is pressed in pin-and-hole 31 with instrument, oppositely locking interstage sleeve 4 is rotated 45 degree, make the square trepanning 41 in locking interstage sleeve 4 be corresponding states with locking termination 2, just can take out pin 5, take off locking interstage sleeve 4 and bearing pin.
Relative to existing bearing pin, the bearing pin of band elasticity anticreep pin provided by the invention in actual use, axial force, radial force and circumferencial direction active force that locking interstage sleeve 4 is in use subject to can be eliminated, locking interstage sleeve 4 not easily gets loose, and anticreep effect is very good, and structure is simple, fabricating cost is low, easy for installation, the bearing pin life-span improves greatly, and Safety performance also improves greatly.
Claims (9)
1. the bearing pin with elasticity anticreep pin, comprises shank (1), locking termination (2), annular groove (3), locking interstage sleeve (4), pin (5), Compress Spring (6); It is characterized in that:
Annular groove (3) is provided with between described shank (1) and locking termination (2); The end face of described annular groove (3) covers completely for locking termination (2), and annular groove (3) is provided with pin-and-hole (31); Compress Spring (6) is provided with in described pin-and-hole (31); Described pin (5) is lower large little ladder column type, and its huge pillar, is contained on pin-and-hole (31) interior Compress Spring (6) down, Compress Spring (6) in the raw time, pillar stretches out outside pin-and-hole (31);
The thickness of described locking interstage sleeve (4) is less than or equal to the thickness of annular groove (3), is provided with the trepanning (41) corresponding with locking termination (2) shape in the middle of it; The wall of described trepanning (41) offers positioning hole (42) and via hole (43); The shape of described positioning hole (42) is corresponding with the huge pillar of pin (5), and the shape of described via hole (43) is corresponding with the pillar of pin (5).
2. the bearing pin of band elasticity anticreep pin according to claim 1, is characterized in that: described shank (1) is cylinder type.
3. the bearing pin of band elasticity anticreep pin according to claim 1, is characterized in that: described locking termination (2) is prismatic.
4. the bearing pin of band elasticity anticreep pin according to claim 3, is characterized in that: arbitrary drift angle of the axial corresponding edge column section of described positioning hole (42) is arranged.
5. the bearing pin of band elasticity anticreep pin according to claim 1, is characterized in that: described locking termination (2) is four-prism, and described annular groove (3) excircle is tangent with four limits of locking termination (2).
6. the bearing pin of band elasticity anticreep pin according to claim 5, is characterized in that: arbitrary drift angle of the corresponding square sectional of axis of described positioning hole (42) is arranged.
7. the bearing pin of band elasticity anticreep pin according to claim 6, it is characterized in that: described via hole (43) is located on the arbitrary limit in the both sides of positioning hole (42) position drift angle, corresponding annular groove (3) excircle is arranged with the point of contact of locking termination (2).
8. the bearing pin of band elasticity anticreep pin according to claim 1, is characterized in that: described pin (5) is stepped cylindrical type pin.
9. the bearing pin of band elasticity anticreep pin according to claim 1, is characterized in that: the profile of described locking interstage sleeve (4) is cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151726.XA CN104747561A (en) | 2015-04-02 | 2015-04-02 | Pin shaft with elastic anti-falling column pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151726.XA CN104747561A (en) | 2015-04-02 | 2015-04-02 | Pin shaft with elastic anti-falling column pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747561A true CN104747561A (en) | 2015-07-01 |
Family
ID=53587696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151726.XA Pending CN104747561A (en) | 2015-04-02 | 2015-04-02 | Pin shaft with elastic anti-falling column pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747561A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021068892A1 (en) * | 2019-10-10 | 2021-04-15 | 常州中车铁马科技实业有限公司 | Abrasive block mounting and dismounting assembly, mounting and dismounting method, wheel tread cleaning device and railway vehicle |
| CN114215996A (en) * | 2022-01-15 | 2022-03-22 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4406906B2 (en) * | 2004-03-31 | 2010-02-03 | ヨコタ工業株式会社 | Plunger type connecting pin |
| CN202251315U (en) * | 2011-08-15 | 2012-05-30 | 张玉程 | Novel fancy pin shaft |
| CN202811728U (en) * | 2012-08-16 | 2013-03-20 | 南京明乔机械发展有限公司 | Plug and pull pin used for automotive part measure |
| CN204512123U (en) * | 2015-04-02 | 2015-07-29 | 中国铝业股份有限公司 | A kind of bearing pin with elasticity anticreep pin |
-
2015
- 2015-04-02 CN CN201510151726.XA patent/CN104747561A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4406906B2 (en) * | 2004-03-31 | 2010-02-03 | ヨコタ工業株式会社 | Plunger type connecting pin |
| CN202251315U (en) * | 2011-08-15 | 2012-05-30 | 张玉程 | Novel fancy pin shaft |
| CN202811728U (en) * | 2012-08-16 | 2013-03-20 | 南京明乔机械发展有限公司 | Plug and pull pin used for automotive part measure |
| CN204512123U (en) * | 2015-04-02 | 2015-07-29 | 中国铝业股份有限公司 | A kind of bearing pin with elasticity anticreep pin |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021068892A1 (en) * | 2019-10-10 | 2021-04-15 | 常州中车铁马科技实业有限公司 | Abrasive block mounting and dismounting assembly, mounting and dismounting method, wheel tread cleaning device and railway vehicle |
| CN114215996A (en) * | 2022-01-15 | 2022-03-22 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
| CN114215996B (en) * | 2022-01-15 | 2024-01-19 | 玉溪新兴钢铁有限公司 | Water pipe plugging and leakage preventing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |