CN205136287U - Anti -disengagement pin - Google Patents
Anti -disengagement pin Download PDFInfo
- Publication number
- CN205136287U CN205136287U CN201520816033.3U CN201520816033U CN205136287U CN 205136287 U CN205136287 U CN 205136287U CN 201520816033 U CN201520816033 U CN 201520816033U CN 205136287 U CN205136287 U CN 205136287U
- Authority
- CN
- China
- Prior art keywords
- length
- sleeve body
- recessed
- locking pin
- sleeve pipe
- 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
Links
Abstract
The utility model discloses an anti -disengagement pin, including the sleeve pipe body, it has the crack formation buckling parts to go up to open along sleeve pipe body length direction on the pipe wall of sleeve pipe body, the buckling parts is including detaining suddenly and the recess, detain and suddenly to stretch into recess lock each other, be equipped with overhang and link on detaining suddenly, be equipped with recessed end and notch end on the recess, the link links to each other with the sleeve pipe body, the overhang is relative with the link position, the recessed sleeve pipe body of recessed end, put relatively with the notch end position, the length of link is good at to the length of overhang, the length of notch end is good at to the length of recessed end. The utility model discloses the requirement control tolerance according to the customer that can rigorously enforce to guarantee that anti -disengagement pin is difficult to take place deformation under the effect of power.
Description
Technical field
The utility model relates to mould structure technical field, particularly locking pin.
Background technique
Usually with upper and lower two parts in locating stud location in the assembling of cold punching die parts; in process of production; particularly on high-speed automated production line; because productive temp is fast; the motion of locating stud and mould produces resonates, and patrix locating stud often can come off when the locating stud of patrix and positioning pin hole are in Spielpassung.Damage may be caused to mould on mould if fall after locating stud comes off, and after locating stud comes off, bolt is only had to connect between mold component, what adopt between bolt and bolt hole is Spielpassung, when locating stud come off rear mold parts in movement process relative movement amount strengthen, mould and die accuracy is deteriorated, thus affects the precision of stamped part.The technological means that what prior art was taked prevent locating stud from coming off prevents locating stud from coming off in locating stud mounting hole bottom by installing an anti-loose spring plug, but the bad control of tolerance of the better existing anti-loose spring plug of Drop-proof effect and be easier to deform.
Model utility content
In order to solve the problem, the utility model provides a kind of locking pin.
According to an aspect of the present utility model, provide a kind of locking pin, comprise sleeve body, the tube wall of described sleeve body has cracking initiation buckling part along on sleeve body length direction, described buckling part comprises button and dashes forward and groove, button is prominent can be stretched into and recessedly to fasten each other, button is prominent is provided with protruding terminus and connecting end, groove is provided with recessed end and notch end, connecting end is connected with sleeve body, protruding terminus is relative with connecting end position, the recessed sleeve body of recessed end, relative with notch end position, the length of described protruding terminus is longer than the length of connecting end, the length of recessed end is longer than the length of notch end.Its beneficial effect is, locking pin structure is simple, fabricating cost is low, the bottom utilizing the shrink space in crack can be easy to enter locating stud mounting hole props up locating stud, prevent from coming off, meanwhile, utilize the buckling part of cracking initiation, can control in groove by prominent for button, tolerance range can be controlled accurately.In addition, effectively can control sleeve body length direction and dislocation distortion occurs under force.
In some embodiments, described buckling part can be provided with the prominent and groove of one or more button.Its beneficial effect is, can control neatly to detain quantity that is prominent and groove, mode of production simple and flexible according to needing of producing.
In some embodiments, described sleeve body two ends have at least an end face outer rim to be provided with chamfering.Its beneficial effect is, arranging of chamfering can facilitate locking pin enter and depart from positioning pin hole.
In some embodiments, described locking pin material is hard elastic material.Its beneficial effect is, distortion is less likely to occur hard elastic material, can realize the effect of compression and resilience simultaneously, realize the function of its Drop-proof, can increase its durability in addition in the effect of external force.
Accompanying drawing explanation
Fig. 1 is the locking pin structural representation of the utility model one mode of execution;
The structural representation launched along crack place that Fig. 2 is locking pin shown in Fig. 1;
Fig. 3 is the structural representation that another mode of execution of the utility model launches along crack place;
Fig. 4 is the structural representation that another mode of execution of the utility model launches along crack place.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 and Fig. 2 show schematically show the locking pin according to a kind of mode of execution of the present utility model.As shown in the figure, locking pin, comprise sleeve body 1, the tube wall of described sleeve body 1 forms buckling part along sleeve body 1 length direction has crack 2, described buckling part comprises button prominent 21 and groove 22, button prominent 21 can stretch into groove 22 and fasten each other, button prominent 21 is provided with protruding terminus 211 and connecting end 212, groove 22 is provided with recessed end 221 and notch end 222, connecting end 212 is connected with sleeve body 1, protruding terminus 211 is relative with connecting end 212 position, recessed end 221 is recessed into sleeve body 1, relative with notch end 222 position, the length of described protruding terminus 211 is longer than the length of connecting end 212, the length of recessed end 221 is longer than the length of notch end 222.
Its beneficial effect is, locking pin structure is simple, fabricating cost is low, the bottom utilizing the shrink space in crack 2 that locking pin can be made to enter locating stud mounting hole easily props up locating stud, prevent from coming off, simultaneously, utilize the buckling part that crack 2 is formed, can button prominent 21 be controlled in groove 22, by arranging the width in crack 2, the length of protruding terminus 211 is longer than the length of connecting end 212, the length of recessed end 221 is longer than the length of notch end 222, groove 22 button of biting tightly is made to dash forward 21, button prominent 21 is made to carry out compressing and resilience in the width range in crack 2, tolerance range can be controlled accurately.Simultaneously on sleeve body 1 length direction, groove 22 also can prop up button prominent 21, effectively can control sleeve body 1 length direction and dislocation distortion occurs under force, extend its working life.Such as, produce house to need tolerance range to be controlled in the scope of 0.1mm, only need the width control system in crack 2 just passable at 0.1mm, no matter use material that hardness is larger or a little bit smaller material of hardness, as long as be provided with the width in crack 2, control tolerance that just can be strict, anti-loose spring plug of the prior art, its tolerance range is limited to material, and tolerance instability is inconvenient to control.Obviously, the diameter of sleeve body 1 should be a bit larger tham the diameter of positioning pin hole.
Buckling part can be provided with one or more button prominent 21 and groove 22.Its beneficial effect is, can according to the quantity needing to control neatly to detain prominent 21 and groove 22 of producing, mode of production simple and flexible.In addition as shown in Figure 2, Figure 3, Figure 4, the shape of button prominent 21 and groove 22 can be set to trapezoid shaped, ohm symbol shape or T-shaped shape, as long as the length meeting protruding terminus 211 is longer than the length of connecting end 212, the length of recessed end 221 is longer than the condition of the length of notch end 222.
Conveniently locking pin enters positioning pin hole, and sleeve body 1 two ends have at least an end face outer rim to be provided with chamfering.Its beneficial effect is, arranging of chamfering can facilitate locking pin enter and depart from positioning pin hole.
As more preferably selecting scheme, in the present embodiment, the cylindrical of two end faces of sleeve body 1 is equipped with chamfering, just without the need to distinguishing direction during such mounting sleeve body 1, convenient.
Locking pin material is hard elastic material.Its beneficial effect is, locking pin material is elastic material, locking pin can realize the effect of compression and resilience in the effect of external force, the diameter of sleeve body 1 is a bit larger tham the diameter of positioning pin hole, sleeve body 1 is extruded to certain degree can enter positioning pin hole, then can realize the function of its Drop-proof, in addition, locking pin material is that hard elastic material can increase its durability.
Above-described is only mode of executions more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. locking pin, it is characterized in that, comprise sleeve body (1), the tube wall of described sleeve body (1) forms buckling part along sleeve body (1) length direction having crack (2), described buckling part comprises button prominent (21) and groove (22), and button prominent (21) can stretch into groove (22) and fasten each other;
Button prominent (21) is provided with protruding terminus (211) and connecting end (212), groove (22) is provided with recessed end (221) and notch end (222), connecting end (212) is connected with sleeve body (1), protruding terminus (211) is relative with connecting end (212) position, the recessed sleeve body (1) of recessed end (221), relative with notch end (222) position;
The length of described protruding terminus (211) is longer than the length of connecting end (212), and the length of recessed end (221) is longer than the length of notch end (222).
2. locking pin according to claim 1, is characterized in that, described buckling part can be provided with one or more button prominent (21) and groove (22).
3. locking pin according to claim 1, is characterized in that, described sleeve body (1) two ends have at least an end face outer rim to be provided with chamfering.
4. locking pin according to claim 1, is characterized in that, described locking pin material is hard elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816033.3U CN205136287U (en) | 2015-10-20 | 2015-10-20 | Anti -disengagement pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816033.3U CN205136287U (en) | 2015-10-20 | 2015-10-20 | Anti -disengagement pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136287U true CN205136287U (en) | 2016-04-06 |
Family
ID=55622085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520816033.3U Expired - Fee Related CN205136287U (en) | 2015-10-20 | 2015-10-20 | Anti -disengagement pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136287U (en) |
-
2015
- 2015-10-20 CN CN201520816033.3U patent/CN205136287U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |