CN2895841Y - Cylindrical pin lock of rolling stock - Google Patents
Cylindrical pin lock of rolling stock Download PDFInfo
- Publication number
- CN2895841Y CN2895841Y CN 200620025734 CN200620025734U CN2895841Y CN 2895841 Y CN2895841 Y CN 2895841Y CN 200620025734 CN200620025734 CN 200620025734 CN 200620025734 U CN200620025734 U CN 200620025734U CN 2895841 Y CN2895841 Y CN 2895841Y
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- CN
- China
- Prior art keywords
- lock
- latch arm
- arm hole
- rod
- hole
- 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.)
- Expired - Fee Related
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model relates to a cylindrical pin lock of rolling stock which comprises a lock head and a lock body, the lock head comprises a head, lock rod, lock groove and a lock tip, the characteristic lies in that the lock groove is an arc along the axial cross section of the lock rod, a movable fit lock-rod hole is provided at the lower part horizontally, a cylindrical spring room which diameter is greater than that of the lock-rod is provided at the same plane with the axis of the lock-rod at the upper part of the lock-rod and forms a tilt angle with the lock-rod, both of the holes above communicate at the place near the open end of the lock rod, a steel ball and a spring which correspond with the wall of the cylindrical hole are provided in order in the spring room, and the orifice is sealed up by a plug; the utility has the beneficial effects in that: the cylindrical pin lock for rolling stock which is suitable to lock the pin with small diameter of less than 8mm solves the locking problem of different place with different specification, prevents the derail automatic braking device to guarantee the normal operation of rolling stock.
Description
Technical field
The utility model relates to a kind of used for rolling stock accessory, relates in particular to a kind of used for rolling stock round pin lock.
Background technique
When travelling in orbit, rolling stock, prevents unnecessary loss, needs on car body, to hang the derailing automatic drag adjuster that this derailing automatic drag adjuster is fixed by round pin after being installed on the axletree, and then round pin is locked for guaranteeing safety.In the past, the round pin locking-up end locks by insert cotter pin in the round pin stomidium, both insecurely easily comes off, and is also stolen easily.In service at rolling stock at present, begin to adopt the round pin lock, this round pin lock is by tapered end and comprise that the lock body of jump ring chamber, jump ring and clip spring seat forms, tapered end comprises head, locking bar again, be arranged at the locking bar front portion is the locked groove of U-shaped and the taper shape lock point of locking bar end around the axial cross section of locking bar, during use, tapered end inserts the jump ring chamber with its lock point, jump ring snaps in locked groove, thereby, with round pin locking and can not release, reach the locked purpose of locking round pin, can prevent effectively that the vehicle derailing automatic drag adjuster is stolen the derailing automatic drag adjuster.But this round pin lock is suitable for the locking of large scale round pin, is lower than the locking of the minor diameter round pin of 8mm for diameter, requires the tapered end size small, opens the U-shaped locked groove and be difficult to realize with the structure of jump ring locking on locking bar so adopt.
The model utility content
Main purpose of the present utility model is at the problems referred to above, a kind of round pin lock that diameter is lower than the minor diameter round pin of 8mm that is suitable for locking is provided, thereby solve the lockout issue that under different occasions, uses the different size round pin, the automatic drag adjuster that prevents to derail is stolen, guarantees the normal operation of rolling stock.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of used for rolling stock round pin lock, comprise tapered end, lock body, described tapered end comprises head, locking bar, locked groove and lock point, it is characterized in that described locked groove is a circular arc along the axial cross section of locking bar, described lock body its underpart is horizontally disposed with and locking bar latch arm hole movingly, above latch arm hole, be positioned at same plane with the latch arm hole axis, and become an angle of inclination that one diameter is shaped as cylindrical hole greater than the latch arm hole diameter spring housing is set with latch arm hole, more than two holes pass through mutually near latch arm hole opening end position, spring housing is indoor is equipped with and cylindrical hole hole wall steel ball movingly successively, spring, and block the closed pore mouth by plug.
The angle of inclination value that described spring housing is become with latch arm hole more than or equal to 17 ° smaller or equal to 30 °, the diameter ratio of spring housing and latch arm hole is 1.3～2.0
The beneficial effects of the utility model are: by adopt spring, steel ball extrusion structure in lock body, provide the used for rolling stock round pin lock that a kind of suitable locking diameter is lower than the minor diameter round pin of 8mm, thereby solve the lockout issue that under different occasions, uses the different size round pin, the automatic drag adjuster that prevents to derail is stolen, improved the Security of rolling stock accessory, the guarantee rolling stock is normally runed.
Below in conjunction with drawings and Examples the utility model is described in detail.
Description of drawings
Fig. 1 is the structural representation of used for rolling stock round pin lock;
Fig. 2 is the structural representation that utilizes round pin lock locking derailing automatic drag adjuster locking-up end.
Among the figure: 1 tapered end, 1-1 head, 1-2 locking bar, 1-3 locked groove, 1-4 are locked point, 2 lock bodies, and the 2-1 steel ball, 2-2 spring housing, the 2-3 spring, the 2-4 plug is stifled, 2-5 latch arm hole, 3 round pins, 4 derailing automatic drag adjuster locking-up ends, 5 round pins lock.
Embodiment
Embodiment 1
As shown in Figure 1, used for rolling stock round pin lock, comprise tapered end 1, lock body 2, described tapered end 1 comprises head 1-1, locking bar 1-2, be arranged at locking bar 1-2 front portion around the locked groove 1-3 of locking bar and the lock point 1-4 of locking bar end, described locked groove 1-3 is a circular arc along the axial cross section of locking bar, described lock body 2 its underparts are horizontally disposed with the latch arm hole 2-5 movingly with locking bar 1-2, above latch arm hole 2-5, be positioned at same plane with the latch arm hole axis, and become an angle of inclination that one diameter is shaped as cylindrical hole greater than the latch arm hole diameter the 2-2 of spring housing is set with latch arm hole, the angle of inclination value that the described 2-2 of spring housing is become with latch arm hole 2-5 more than or equal to 17 ° smaller or equal to 30 °, the diameter ratio of 2-2 of spring housing and latch arm hole 2-5 is 1.3～2.0, more than two holes pass through mutually near latch arm hole 2-5 opening end position, the 2-2 of spring housing is indoor to be equipped with and cylindrical hole hole wall steel ball 2-1 movingly successively, spring 2-3, and by the stifled 2-4 closed orifices of plug.In actual fabrication, lock body 2 can be according to needing selected its shape, adopted flat cuboid in this example, have latch arm hole 2-5, be positioned at same plane with latch arm hole 2-5 axis and become an angle of inclination that one diameter is shaped as cylindrical hole greater than the latch arm hole diameter the 2-2 of spring housing is set away from tapered end 1 one upper lateral parts near tapered end 1 one side lower parts at cuboid with latch arm hole at cuboid, and successively to the steel ball 2-1 that wherein packs into, spring 2-3, then, with the stifled 2-4 sealing of plug spring housing 2-2 aperture.Because steel ball 2-1, spring 2-3 and the 2-2 of spring housing hole wall are for movingly, so what steel ball 2-1 pushed up 2-2 of spring housing and latch arm hole 2-5 under the elastic force effect of spring 2-3 passes through the part front end mutually near latch arm hole 2-5 opening end position, invar pearl 2-1 diameter is greater than the diameter of latch arm hole 2-5 again, so steel ball 2-1 can not deviate from from lock body 2.Locking bar 1-2 diameter=1.9mm in this example, latch arm hole 2-5 diameter=2mm, steel ball 2-1 diameter=3mm, the 2-2 diameter=3.2mm of spring housing, the diameter ratio of 2-2 of spring housing and latch arm hole 2-5 is 1.6, angle of inclination=23 that the 2-2 of spring housing is become with latch arm hole 2-5 °.Its cross section of head 1-1 of tapered end 1 can be circle, regular polygon or abnormity, has adopted circle in the present embodiment; Spring 2-3 adopts helical spring, and tapered end 1 and steel ball 2-1 can adopt the 45# carbon constructional quality steel, and lock body 2 can adopt the Q325A plain carbon steel, and the stifled 2-4 of plug can adopt aluminum material.
During use, tapered end 1 inserts latch arm hole 2-5 by the sharp 1-4 of lock, under the insertion force effect, locking sharp 1-4 extruding steel ball 2-1 makes in the 2-2 of its retraction spring housing, thereby, locking sharp 1-4 and insert latch arm hole 2-5 inside, steel ball 2-1 is then under the elastic force effect of spring 2-3, be squeezed among the circular arc locked groove 1-3, the round pin locking.At this moment, promptly use external force to be pulled outwardly tapered end 1,, can not deviate from, reach locked purpose thus because the steel ball 2-1 that is pushed down among the locked groove 1-3 in spring 2-3 effect all is stuck in latch arm hole 2-5 port position together with the locking bar 1-2 of its extruding.Fig. 2 shows the structural representation that utilizes round pin lock 5 locking derailing automatic drag adjuster locking-up ends 4, during use, the locking bar 1-2 of the tapered end 1 of round pin lock 5 is at first passed the hole of round pin 3 ends of derailing automatic drag adjuster locking-up end 4 by its lock point, then insert in the lock body 2 by latch arm hole, operating process is as described in the previous examples, final steel ball is pressed in the locked groove, thus locking, can not release after this round pin lock is characterized in locking.
The above, only be an embodiment of the present utility model, be not that shape of the present utility model and structure are done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1, a kind of used for rolling stock round pin lock, comprise tapered end, lock body, described tapered end comprises head, locking bar, locked groove and lock point, it is characterized in that described locked groove is a circular arc along the axial cross section of locking bar, described lock body its underpart is horizontally disposed with and locking bar latch arm hole movingly, above latch arm hole, be positioned at same plane with the latch arm hole axis, and become an angle of inclination that one diameter is shaped as cylindrical hole greater than the latch arm hole diameter spring housing is set with latch arm hole, more than two holes pass through mutually near latch arm hole opening end position, spring housing is indoor is equipped with and cylindrical hole hole wall steel ball movingly successively, spring, and block the closed pore mouth by plug.
2, a kind of used for rolling stock round pin lock according to claim 1, it is characterized in that angle of inclination value that described spring housing become with latch arm hole more than or equal to 17 ° smaller or equal to 30 °, the diameter ratio of spring housing and latch arm hole is 1.3～2.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025734 CN2895841Y (en) | 2006-04-04 | 2006-04-04 | Cylindrical pin lock of rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025734 CN2895841Y (en) | 2006-04-04 | 2006-04-04 | Cylindrical pin lock of rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895841Y true CN2895841Y (en) | 2007-05-02 |
Family
ID=38065417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620025734 Expired - Fee Related CN2895841Y (en) | 2006-04-04 | 2006-04-04 | Cylindrical pin lock of rolling stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895841Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257654A (en) * | 2015-11-10 | 2016-01-20 | 湖北航天技术研究院总体设计所 | Manual locking and unlocking device |
| CN106185751A (en) * | 2016-07-15 | 2016-12-07 | 中国核动力研究设计院 | A kind of with flip angle is different automatic self-locking and the frame for movement of unblock |
| CN110871367A (en) * | 2018-08-31 | 2020-03-10 | 兄弟工业株式会社 | Door opening/closing device and machine tool |
-
2006
- 2006-04-04 CN CN 200620025734 patent/CN2895841Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257654A (en) * | 2015-11-10 | 2016-01-20 | 湖北航天技术研究院总体设计所 | Manual locking and unlocking device |
| CN106185751A (en) * | 2016-07-15 | 2016-12-07 | 中国核动力研究设计院 | A kind of with flip angle is different automatic self-locking and the frame for movement of unblock |
| CN106185751B (en) * | 2016-07-15 | 2019-07-19 | 中国核动力研究设计院 | A kind of mechanical structure of automatic self-locking and unlock with flip angle difference |
| CN110871367A (en) * | 2018-08-31 | 2020-03-10 | 兄弟工业株式会社 | Door opening/closing device and machine tool |
| CN110871367B (en) * | 2018-08-31 | 2022-07-01 | 兄弟工业株式会社 | Door opening/closing device and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |