CN203641216U - Pin connecting assembly and pin thereof - Google Patents
Pin connecting assembly and pin thereof Download PDFInfo
- Publication number
- CN203641216U CN203641216U CN201420030306.7U CN201420030306U CN203641216U CN 203641216 U CN203641216 U CN 203641216U CN 201420030306 U CN201420030306 U CN 201420030306U CN 203641216 U CN203641216 U CN 203641216U
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- China
- Prior art keywords
- bearing pin
- thread section
- pin
- changeover portion
- head
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- Withdrawn - After Issue
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Abstract
The utility model discloses a pin for a pin connecting assembly. The pin comprises a cylindrical member, one end of the cylindrical member is provided with a screwed member, and the other end of the screwed segment is provided with a pin head. A first transition segment is arranged between the cylindrical member and the screwed segment, and a second transition segment is arranged between the screwed segment and the pin head. The pin is simple in structure, occupied axial space is short, reliability of connection is high, processing and manufacturing are simple, and accordingly the performance of an engineering machinery adopting the pin can be improved. The pin is simple to process, large-scale production can be realized, and production cost can be reduced. Furthermore, the utility model provides a pin connecting assembly based on the pin.
Description
Technical field
The utility model relates to bearing pin interconnection technique field, relates to particularly a kind of bearing pin.In addition, the utility model also relates to a kind of making method of this bearing pin.In addition, the utility model also relates to a kind of bearing pin connection part of this bearing pin of application.The utility model is mainly developed for location, is to be generally used in the location of axle, rod member or other component, in being generally used in and being rigidly connected.Therefore, describing the utility model about this purposes is easily, but should be appreciated that, the utility model can be used in axle, rod member or other component hinged, in can being used to flexibly connect.
Background technique
It is quite extensive that bearing pin is connected to mechanical field use, as alignment pin has all been used alignment pin in the component such as split type speed reducer, Split bearing pedestal, axle or rod member; And for example in engineering machinery, connecting between connecting between vehicle frame and vehicle frame, vehicle frame and equipment, the connection that equipment individual components is mutual, all used hinging pin shaft.But, the design standard that pin shaft structure is ununified, in the time of the actual design of pin shaft structure, different type, designer, the pin shaft structure designing varies, and using effect is not very good yet.
At present, in locating stud, straight pin or taper pin in use can be due to the effect phenomenons of deviating from of vibration repeatedly, especially in dismounting, need to use a less bearing pin from its one end, locating stud to be up to, now be easy to original positioning pin hole to cause damage compared with small clevis pin with head, thereby affect locating effect.
And for example conventional bearing pin, one end major part the other end relies on cotter pin to lock conventionally, not only exist cotter pin to damage and cause out of stock possibility, and the necessary protrudent pin axle bed in bearing pin two ends, thereby space that need to be more roomy than axis pin base, make bearing pin joint need larger space, cause and use the engineering machinery of pin shaft connection structure just to need larger spatial structure, thereby the related components huge structure that has caused engineering machinery, larger inhibition has been played in the raising of the performance to engineering machinery.
Therefore, how to improve and optimize the structure of bearing pin connection part, improve the reliability of bearing pin connection part, and to reduce that it takes up space be the important technological problems that those skilled in the art need to solve at present.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing pin, and for bearing pin connection part, this pin shaft structure is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.
Second object of the present utility model is to provide a kind of bearing pin connection part with above-mentioned bearing pin.
The 3rd object of the present utility model is to provide a kind of making method based on above-mentioned bearing pin or bearing pin connection part.
For realizing above-mentioned first object, the utility model provides a kind of bearing pin, for bearing pin connection part, comprise cylindrical body, described cylindrical one end is provided with thread section, the other end of described thread section is provided with bearing pin head, between described cylindrical body and described thread section, is provided with changeover portion one, between described thread section and described bearing pin head, is provided with changeover portion two.
Preferably, the diameter of described thread section is greater than described cylindrical diameter, and the path of screw thread on described thread section is greater than or equal to described cylindrical diameter.
Preferably, the diameter of described thread section is greater than the external diameter of described bearing pin head, and the path of screw thread on described thread section is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head.
Preferably, described bearing pin head is square spigot.
Preferably, described square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
Preferably, described changeover portion one adopts the form of arc transition to connect described cylindrical body and described thread section.
Preferably, described changeover portion two adopts the form of arc transition to connect described bearing pin head and described thread section, and the path of described changeover portion two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head, and the non-maximum outside diameter place of the appearance profile of described changeover portion two and described bearing pin head adopts the transient mode of rounding again.
Preferably, the screw thread employing V thread screw on described thread section or square threaded form, trapezoidal thread, buttress thread form, also can adopt special shape screw thread.
For realizing above-mentioned second object, a kind of bearing pin connection part that the utility model provides comprises above-mentioned any bearing pin.
For realizing above-mentioned the 3rd object, the utility model provides a kind of making method based on above-mentioned bearing pin or bearing pin connection part, comprises the following steps:
Step 2, carries out the preparatory processing of appearance profile by lower good material, comprises the first car of the appearance profile to each section of bearing pin, and leaves suitable surplus.
Step 3, carries out quenching with Subsequent tempering to the part through preparatory processing.
Step 4, process described bearing pin head, comprise each side of milling square spigot and the intersection of adjacent side is carried out to chamfering or rounding, and adopting milling cutter but disjoint mode vertical with bearing pin again to adopt the object of the transient mode of rounding directly to reach the non-maximum outside diameter place of appearance profile of described changeover portion two and described bearing pin head.
Step 5, processes described thread section, described cylindrical body and described changeover portion one and described changeover portion two, comprises changeover portion two and threading described in changeover portion one described in cylindrical body described in car, car, car.Wherein described in car described in cylindrical body, car described in changeover portion one, car the processing sequence of changeover portion can suitably adjust as required.
Step 6, carries out chamfering or rounding processing to the end of described cylindrical disconnected section.
Step 7, carries out fine finishing to described cylindrical cylindrical, to ensure that its surface roughness reaches usage requirement.
Wherein, in step 1, can connect together manufacturing the material of multiple bearing pins, separate to again each having been approached to bearing pin after step 7 in experience step 2, thereby realization once can be processed multiple bearing pins, raises the efficiency.
Compared with prior art, a kind of bearing pin that the utility model provides, for bearing pin connection part, comprise cylindrical body, described cylindrical one end is provided with thread section, the other end of described thread section is provided with bearing pin head, between described cylindrical body and described thread section, is provided with changeover portion one, between described thread section and described bearing pin head, is provided with changeover portion two.Adopt the pin shaft structure of this technological scheme simple, axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.The bearing pin connection part of what the utility model provided have above-mentioned bearing pin has whole technical advantages of above-mentioned bearing pin, is not repeated herein.A kind of making method course of working based on above-mentioned bearing pin or bearing pin connection part that the utility model provides is simple, can realize mass production, is conducive to reduce production costs.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The assembly structure schematic diagram of the bearing pin that Fig. 1 provides for a kind of specific embodiment of the utility model.
Fig. 2 is that A in Fig. 1 is to view.
Fig. 3 is the sectional view intercepting along the BB in Fig. 2.
The A of the assembly structure schematic diagram of the bearing pin that Fig. 4 provides for the utility model the second specific embodiment is to view.
Embodiment
The purpose of this utility model is to provide a kind of bearing pin, and this this pin shaft structure is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.Second object of the present utility model is to provide a kind of bearing pin connection part with above-mentioned bearing pin.The 3rd object of the present utility model is to provide a kind of making method based on above-mentioned bearing pin or bearing pin connection part.
In order to make those skilled in the art person understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the assembly structure schematic diagram of the bearing pin that Fig. 1 provides for a kind of specific embodiment of the utility model; Fig. 2 is that A in Fig. 1 is to view; Fig. 3 is the sectional view intercepting along the BB in Fig. 2.
In a kind of specific embodiment, as shown in Figure 1, a kind of bearing pin 1 that the utility model provides, comprise cylindrical body 11, one end of cylindrical body 11 is provided with thread section 13, the other end of thread section 13 is provided with bearing pin head 15, between cylindrical body 11 and thread section 13, is provided with changeover portion 1, between thread section 13 and bearing pin head 15, is provided with changeover portion 2 14.Its feature comprises, the diameter of thread section 13 is greater than the diameter of cylindrical body 11, and the path of the screw thread on thread section 13 is greater than or equal to the diameter of cylindrical body 11, and the diameter of thread section 13 is greater than the external diameter of bearing pin head 15, and the path of screw thread on thread section 13 is greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.Like this, not only make this bearing pin reach default object, and be convenient to processing.
When work, intermediate portion on cylindrical body 11 or the target part connecting for the bearing pin connection part of involved this bearing pin 1 is installed away from one end of thread section 13,13 of thread sections pack in the corresponding pin shaft hole of axis pin base, and corresponding bearing pin head 15 also can pack in the corresponding pin shaft hole of axis pin base.Wherein, 11, cylindrical body is arranged on its one end or two ends in the pin shaft hole of axis pin base as required.
Further, please refer to Fig. 2, bearing pin head 15 is square spigot.Further, square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.Particularly, please refer to Fig. 3, changeover portion 1 adopts form connecting cylinder body 11 and the thread section 13 of arc transition.Further, changeover portion 2 14 adopts form connecting pin spindle nose 15 and the thread section 13 of arc transition.Further, the path of changeover portion 2 14 is greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.Again further, the non-maximum outside diameter place of the appearance profile of changeover portion 2 14 and bearing pin head 15 adopts the transient mode of rounding again.
As shown in Figure 3, the screw thread on thread section 13 adopts the form of V thread screw.Equally, the screw thread on this thread section 13 can also adopt square threaded form, trapezoidal thread, buttress thread form or other special shape screw thread.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.Particularly, please refer to Fig. 4, the A of the assembly structure schematic diagram of the bearing pin that Fig. 4 provides for the utility model the second specific embodiment is to view.
As shown in Figure 3, the diameter of the cylinder at the intersection line place of adjacent each of the square spigot of bearing pin head 15 equals the path of changeover portion 2 14.In addition, as shown in Figure 4, apparently, the diameter of the cylinder at the intersection place of bearing pin head 15 each adjacent side can be greater than the path of changeover portion 2 14, now suitably chamfering is carried out in the intersection of bearing pin head 15 each adjacent side, can make the path of changeover portion 2 14 be greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.In addition, apparently, the diameter of the cylinder at the intersection line place that the square spigot of bearing pin head 15 is adjacent each can also suitably be less than the path of changeover portion 2 14.
Second object of the present utility model is to provide a kind of bearing pin connection part, comprises bearing pin and the axis pin base with its adaptation, and described bearing pin is the bearing pin in above-mentioned any technological scheme.
In addition, the 3rd object of the present utility model is to provide a kind of making method based on above-mentioned bearing pin or bearing pin connection part, comprises the following steps:
Step 2, carries out the preparatory processing of appearance profile by lower good material, comprises the first car of the appearance profile to each section of bearing pin, and leaves suitable surplus.
Step 3, carries out quenching with Subsequent tempering to the part through preparatory processing.
Step 4, process described bearing pin head, comprise each side of milling square spigot and the intersection of adjacent side is carried out to chamfering or rounding, and adopting milling cutter but disjoint mode vertical with bearing pin again to adopt the object of the transient mode of rounding directly to reach the non-maximum outside diameter place of appearance profile of described changeover portion two and described bearing pin head.
Step 5, processes described thread section, described cylindrical body and described changeover portion one and described changeover portion two, comprises changeover portion two and threading described in changeover portion one described in cylindrical body described in car, car, car.Wherein described in car described in cylindrical body, car described in changeover portion one, car the processing sequence of changeover portion can suitably adjust as required.
Step 6, carries out chamfering or rounding processing to the end of described cylindrical disconnected section.
Step 7, carries out fine finishing to described cylindrical cylindrical, to ensure that its surface roughness reaches usage requirement.
Wherein, in step 1, can connect together manufacturing the material of multiple bearing pins, separate to again each having been approached to bearing pin after step 7 in experience step 2, thereby realization once can be processed multiple bearing pins, raises the efficiency.
It should be noted that, those skilled in the art can comparatively simply not understand or this making method of comprehension with reference to any accompanying drawing completely in the time of the making method with reference to this bearing pin or bearing pin connection part.Therefore, the accompanying drawing of this part is not provided in the utility model.
Compared with prior art, a kind of bearing pin that the utility model provides, comprise cylindrical body, described cylindrical one end is provided with thread section, the other end of described thread section is provided with bearing pin head, between described cylindrical body and described thread section, be provided with changeover portion one, between described thread section and described bearing pin head, be provided with changeover portion two.Adopt the pin shaft structure of this technological scheme simple, axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.The bearing pin connection part of what the utility model provided have above-mentioned bearing pin has whole technical advantages of above-mentioned bearing pin, is not repeated herein.A kind of making method course of working based on above-mentioned bearing pin or bearing pin connection part that the utility model provides is simple, can realize mass production, is conducive to reduce production costs.
Above the making method of bearing pin connection part provided by the utility model and bearing pin thereof, bearing pin is described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a bearing pin, for bearing pin connection part, comprise cylindrical body, it is characterized in that, described cylindrical one end is provided with thread section, the other end of described thread section is provided with bearing pin head, between described cylindrical body and described thread section, is provided with changeover portion one, between described thread section and described bearing pin head, is provided with changeover portion two.
2. a kind of bearing pin as claimed in claim 1, is characterized in that, the diameter of described thread section is greater than described cylindrical diameter, and the path of screw thread on described thread section is greater than or equal to described cylindrical diameter.
3. a kind of bearing pin as claimed in claim 1, is characterized in that, the diameter of described thread section is greater than the external diameter of described bearing pin head, and the path of screw thread on described thread section is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head.
4. a kind of bearing pin as claimed in claim 1, is characterized in that, described bearing pin head is square spigot.
5. a kind of bearing pin as claimed in claim 4, is characterized in that, described square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
6. a kind of bearing pin as claimed in claim 1, is characterized in that, described changeover portion one adopts the form of arc transition to connect described cylindrical body and described thread section.
7. a kind of bearing pin as claimed in claim 1, it is characterized in that, described changeover portion two adopts the form of arc transition to connect described bearing pin head and described thread section, and the path of described changeover portion two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head.
8. a kind of bearing pin as claimed in claim 1, is characterized in that, the non-maximum outside diameter place of the appearance profile of described changeover portion two and described bearing pin head adopts the transient mode of rounding again.
9. a kind of bearing pin as claimed in claim 1, is characterized in that, the screw thread employing V thread screw on described thread section or square threaded form, trapezoidal thread, buttress thread form, also can adopt other special shape screw thread.
10. a bearing pin connection part, comprises bearing pin and the axis pin base with its adaptation, it is characterized in that, described bearing pin is the bearing pin described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030306.7U CN203641216U (en) | 2014-01-19 | 2014-01-19 | Pin connecting assembly and pin thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030306.7U CN203641216U (en) | 2014-01-19 | 2014-01-19 | Pin connecting assembly and pin thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641216U true CN203641216U (en) | 2014-06-11 |
Family
ID=50872464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420030306.7U Withdrawn - After Issue CN203641216U (en) | 2014-01-19 | 2014-01-19 | Pin connecting assembly and pin thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711779A (en) * | 2014-01-19 | 2014-04-09 | 方义飞 | Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft |
-
2014
- 2014-01-19 CN CN201420030306.7U patent/CN203641216U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711779A (en) * | 2014-01-19 | 2014-04-09 | 方义飞 | Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft |
| CN103711779B (en) * | 2014-01-19 | 2015-11-04 | 方义飞 | The making method of pinned connection assembly and bearing pin thereof, bearing pin |
| CN105041814A (en) * | 2014-01-19 | 2015-11-11 | 方义飞 | Pin shaft connecting assembly, pin shaft thereof as well as manufacture method of pin shaft |
| CN105370685A (en) * | 2014-01-19 | 2016-03-02 | 方义飞 | Pin shaft connecting assembly and pin shaft thereof and manufacturing method for pin shaft |
| CN105370686A (en) * | 2014-01-19 | 2016-03-02 | 方义飞 | Pin shaft and manufacturing method thereof and pin shaft connecting assembly |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20170419 |