CN201100328Y - Coaxial axis connection structure - Google Patents
Coaxial axis connection structure Download PDFInfo
- Publication number
- CN201100328Y CN201100328Y CNU2007201942265U CN200720194226U CN201100328Y CN 201100328 Y CN201100328 Y CN 201100328Y CN U2007201942265 U CNU2007201942265 U CN U2007201942265U CN 200720194226 U CN200720194226 U CN 200720194226U CN 201100328 Y CN201100328 Y CN 201100328Y
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- hole
- shaft coupling
- coupling piece
- fixed pin
- face
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Abstract
The utility model relates to a concentric shaft connecting structure, belonging to the shaft connecting field, which comprises two shaft connecting pieces, wherein an axle hole is arranged on one shaft connecting piece, an axle head is arranged on the other shaft connecting piece and is inserted in the axle hole for engagement, a locating pin is arranged on the end face of one shaft connecting piece, a locating pin hole is arranged on the end face of the other shaft connecting piece, a fixed pin hole is arranged on the axle head of the shaft connecting piece, a fixed pin is arranged in the fixed pin hole, the fixed pin hole is arranged on the axle hole of the shaft connecting piece, the fixed pin hole penetrates through the hole wall on one side of the axle hole, a fixed screw is engaged with the fixed pin hole, and a female cone shape counter bore is formed on the hole wall on the other side of the axle hole. The concentric shaft connecting structure has simple structure, low processing cost and convenient operation for changing connecting shafts, and is the concentric shaft connecting structure with high precision.
Description
Technical field
The utility model concentric shafts linkage structure belongs to a connection area, particularly relates to a kind of termination linkage structure of concentric shafts.
Background technique
The concentric shafts connection is widely used in the mechanical engineering, linkage structures such as the shaft joint of employing or employing flange are arranged, it is low that concentric shafts connects precision, it is also inconvenient to change coupling shaft, in lathe, the connection of knife bar is exactly common a kind of concentric shafts linkage structure, the precision prescribed height, it is convenient to change, but in use there is shortcoming in existing structure, existing a kind of concentric shafts linkage structure is that two links are formed, a link is provided with taper hole, and a link is provided with cone boss, locatees by locating stud, the nut hole is set on taper hole, nut is fixed two links, and the difficulty of processing of this structural type taper hole and cone boss is big, requires high, the concentricity of two links is low simultaneously, has influence on the processing of part.
Summary of the invention
The purpose of this utility model is to avoid deficiency of the prior art and provides a kind of simple in structure, and processing technology is simplified, and it is convenient to change coupling shaft, the concentric shafts linkage structure that the concentricity precision is high.
The purpose of this utility model reaches by following measure, it is that two shaft coupling pieces are formed, a shaft coupling piece is provided with axis hole, a shaft coupling piece is provided with spindle nose, spindle nose and axis hole are connected, spindle nose is inserted in the axis hole and cooperates, a shaft coupling piece end face is provided with locating stud, a shaft coupling piece end face is provided with positioning pin hole, locating stud that is provided with on the shaft coupling piece end face and positioning pin hole cooperate, the shaft coupling piece spindle nose is provided with fixed pin holes, be provided with fixing pin in the fixed pin holes, one end of fixing pin is taper, the other end of fixing pin is a concave cone shape, the shaft coupling piece axis hole is provided with fixed pin holes, fixed pin holes penetrates one side hole wall of axis hole, fixed pin holes is provided with screw thread, set screw cooperates with fixed pin holes, on the another side hole wall of axis hole, form a concave cone shape counterbore, because work in-process once will process at the fixed pin holes on the shaft coupling piece axis hole, guaranteed the concentricity of the fixed pin holes on the shaft coupling piece axis hole, on the hole wall of axis hole, form a concave cone shape counterbore, need not reprocess a screw plug, the component of processing have been reduced, simplified processing technology, improved concentric shafts and connected precision.During use, axis hole on the shaft coupling piece and the spindle nose on the shaft coupling piece are connected, locating stud on the shaft coupling piece end face is inserted in the positioning pin hole on the shaft coupling piece end face, fixing pin on the shaft coupling piece spindle nose cooperates with fixed pin holes on the shaft coupling piece axis hole, is tightened in the set screw in the fixed pin holes, and set screw promotes fixing pin, fixing pin withstands in the concave cone shape counterbore on the hole wall of axis hole, realized being connected of two shaft coupling pieces, it is convenient to change coupling shaft, concentricity precision height.
The concave cone shape counterbore of the utility model on the hole wall of axis hole one side, one end of fixing pin is taper, fixing pin cooperates with concave cone shape counterbore, fixedly connected two shaft coupling pieces, the taper angle of concave cone shape counterbore is spent between 91 degree 60, be convenient to cooperating of fixing pin and concave cone shape counterbore, prevent self-locking state.
Locating stud that the utility model is provided with on the shaft coupling piece end face and positioning pin hole cooperate, and locating stud can be a straight pin, also can be boss.Positioning pin hole can be a circular hole, and positioning pin hole cooperates with straight pin, also can be groove.
The locating stud quantity that the utility model is provided with on the shaft coupling piece end face can be one, also can be two above locating studs, and the quantity of positioning pin hole cooperates with locating stud, and positioning pin hole can be one, also can be more than two.
The axis hole that the utility model is provided with on a shaft coupling piece is a taper hole, and the spindle nose that is provided with on a shaft coupling piece is taper, and taper spindle nose and taper hole are connected.
In the fixed pin holes of the utility model on spindle nose fixing pin is arranged, a circular groove is arranged on the fixing pin, on the shaft coupling piece spindle nose, be provided with positioning screw hole in the fixed pin holes, positioning screwn is installed in the positioning screw hole, positioning screwn is installed in the circular groove on the fixing pin, the position of positioning and fixing pin.
The utility model is simple in structure, and processing cost is low, and it is easy to operate to change coupling shaft, is a kind of high-precision concentric shafts linkage structure.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is assembly structure schematic representation of the present utility model.
Accompanying drawing 3 is the utility model positioning pin hole structural representations on the shaft coupling piece end face.
Accompanying drawing 4 is the utility model locating pin structure schematic representation on the shaft coupling piece end face.
Accompanying drawing 5 is the utility model locating pin structure schematic representation on the shaft coupling piece end face.
Accompanying drawing 6 is the utility model positioning pin hole structural representations on the shaft coupling piece end face.
Accompanying drawing 7 is the utility model positioning pin hole structural representations on the shaft coupling piece end face.
Accompanying drawing 8 is the utility model positioning pin hole structural representations on the shaft coupling piece end face.
Accompanying drawing 9 is example structure schematic representation of the present utility model.
Accompanying drawing 10 is example structure schematic representation of the present utility model.
Accompanying drawing 11 is example structure schematic representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, shown in the accompanying drawing 2, the utility model is that two shaft coupling pieces are formed, a shaft coupling piece 7 is provided with axis hole 4, a shaft coupling piece 1 is provided with spindle nose 11, a shaft coupling piece end face is provided with locating stud, a shaft coupling piece end face is provided with positioning pin hole, locating stud and positioning pin hole cooperate, the shaft coupling piece spindle nose is provided with fixed pin holes 10, be provided with fixing pin 2 in the fixed pin holes, the shaft coupling piece axis hole is provided with fixed pin holes 5, fixed pin holes penetrates one side hole wall of axis hole, fixed pin holes is provided with screw thread, set screw 6 cooperates with fixed pin holes, on the another side hole wall of axis hole, form a concave cone shape counterbore 3, concave cone shape counterbore does not pass hole wall, to be taper cooperate with the concave cone shape counterbore 3 that forms on the hole wall one end of fixing pin, the other end of fixing pin is that concave cone shape cooperates with set screw, spindle nose on the shaft coupling piece is inserted in the axis hole and cooperates, locating stud on the shaft coupling piece end face is inserted in the positioning pin hole on the shaft coupling piece end face, fixing pin on the shaft coupling piece spindle nose is corresponding with fixed pin holes on the shaft coupling piece axis hole, be tightened in the set screw in the fixed pin holes, set screw promotes fixing pin, fixing pin withstands in the concave cone shape counterbore on the hole wall of axis hole, has realized being connected of two shaft coupling pieces.
Shown in accompanying drawing 3, accompanying drawing 4, the utility model shaft coupling piece spindle nose end face is provided with locating stud 9, and another shaft coupling piece axis hole end face is provided with positioning pin hole 8, and locating stud and positioning pin hole cooperate.
Shown in accompanying drawing 5, accompanying drawing 6, the utility model shaft coupling piece axis hole end face is provided with locating stud 9, and locating stud 9 is two boss, is symmetricly set on the axis hole end face.Shaft coupling piece spindle nose end face is provided with positioning pin hole 8, and positioning pin hole 8 is two grooves, is symmetricly set on the spindle nose end face.Concave cone shape counterbore is arranged on the hole wall of axis hole, and the taper included angle A of concave cone shape counterbore is spent between 91 degree 60.
As shown in Figure 7, the utility model shaft coupling piece axis hole end face is provided with positioning pin hole 8, and positioning pin hole 8 is grooves.Groove does not pass hole wall.
As shown in Figure 8, the utility model shaft coupling piece axis hole end face is provided with positioning pin hole 8, and positioning pin hole 8 is grooves.Groove passes hole wall.
As accompanying drawing 9, accompanying drawing 10, shown in the accompanying drawing 11, embodiment's of the present utility model structure, the utility model is that two shaft coupling pieces are formed, the axis hole that is provided with on a shaft coupling piece is a taper hole, the spindle nose that is provided with on a shaft coupling piece is taper, the shaft coupling piece end face is provided with locating stud, the shaft coupling piece end face is provided with positioning pin hole, locating stud and positioning pin hole cooperate, the shaft coupling piece spindle nose is provided with fixed pin holes, be provided with fixing pin in the fixed pin holes, the shaft coupling piece axis hole is provided with fixed pin holes, and fixed pin holes penetrates one side hole wall of axis hole, and fixed pin holes is provided with screw thread, set screw cooperates with fixed pin holes, form a concave cone shape counterbore on the another side hole wall of axis hole, concave cone shape counterbore does not pass hole wall, and to be taper cooperate with the concave cone shape counterbore that forms on the hole wall end of fixing pin, the other end of fixing pin is that concave cone shape cooperates with set screw, and the taper spindle nose on the shaft coupling piece is inserted in taper hole and is connected.Locating stud on the shaft coupling piece end face is inserted in the positioning pin hole on the shaft coupling piece end face, fixing pin on the shaft coupling piece spindle nose is corresponding with fixed pin holes on the shaft coupling piece axis hole, be tightened in the set screw in the fixed pin holes, set screw promotes fixing pin, fixing pin withstands in the concave cone shape counterbore on the hole wall of axis hole, has realized being connected of two shaft coupling pieces.A circular groove is arranged on the fixing pin, be provided with positioning screw hole in the fixed pin holes on the shaft coupling piece spindle nose, positioning screwn is installed in the positioning screw hole, and positioning screwn is installed in the circular groove on the fixing pin, the position of positioning and fixing pin.
Claims (7)
1, a kind of concentric shafts linkage structure, be that two shaft coupling pieces are formed, a shaft coupling piece is provided with axis hole, a shaft coupling piece is provided with spindle nose, the spindle nose interlude cooperates in axis hole, a shaft coupling piece end face is provided with locating stud, a shaft coupling piece end face is provided with positioning pin hole, locating stud that is provided with on the shaft coupling piece end face and positioning pin hole cooperate, the shaft coupling piece spindle nose is provided with fixed pin holes, is provided with fixing pin in the fixed pin holes, and an end of fixing pin is taper, the other end of fixing pin is a concave cone shape, the shaft coupling piece axis hole is provided with fixed pin holes, and fixed pin holes is provided with screw thread, and set screw cooperates with fixed pin holes, it is characterized in that fixed pin holes penetrates one side hole wall of axis hole, on the another side hole wall of axis hole, form a concave cone shape counterbore.
2, concentric shafts linkage structure according to claim 1 is characterized in that the axis hole that is provided with is a taper hole on a shaft coupling piece, the spindle nose that is provided with on a shaft coupling piece is taper.
3, concentric shafts linkage structure according to claim 1 and 2 is characterized in that the taper angle of concave cone shape counterbore is spent between 91 degree 60.
4, concentric shafts linkage structure according to claim 1 and 2 is characterized in that the locating stud that is provided with is straight pin or boss on the shaft coupling piece end face.
5, concentric shafts linkage structure according to claim 1 and 2 is characterized in that positioning pin hole is circular hole or groove.
6, concentric shafts linkage structure according to claim 1 and 2 is characterized in that the locating stud that is provided with on the shaft coupling piece end face is more than one or two, and positioning pin hole is more than one or two.
7, concentric shafts linkage structure according to claim 1 and 2 is characterized in that having on the fixing pin circular groove, is provided with positioning screw hole in the fixed pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201942265U CN201100328Y (en) | 2007-07-27 | 2007-11-09 | Coaxial axis connection structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720054899.0 | 2007-07-27 | ||
| CN200720054899 | 2007-07-27 | ||
| CNU2007201942265U CN201100328Y (en) | 2007-07-27 | 2007-11-09 | Coaxial axis connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100328Y true CN201100328Y (en) | 2008-08-13 |
Family
ID=39936862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201942265U Expired - Fee Related CN201100328Y (en) | 2007-07-27 | 2007-11-09 | Coaxial axis connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100328Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522351A (en) * | 2016-01-26 | 2016-04-27 | 安徽江淮汽车股份有限公司 | Lengthened shaft and manufacturing method thereof |
| CN106180854A (en) * | 2016-08-26 | 2016-12-07 | 安徽皖南电机股份有限公司 | The cutter holder of processing internal keyway |
| CN106762787A (en) * | 2016-11-18 | 2017-05-31 | 江苏江大泵业制造有限公司 | A kind of counnter attack Coupling Shaft structure of submerged pump |
| CN108884806A (en) * | 2016-03-22 | 2018-11-23 | 株式会社铃诗苑 | The connection structure of the hydraulic turbine, the connection structure being made of two pin thread axis in the hydraulic turbine and two axis |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
| CN109537446A (en) * | 2018-05-04 | 2019-03-29 | 徐胜祥 | A kind of mobile job platform system of assembling bridge |
-
2007
- 2007-11-09 CN CNU2007201942265U patent/CN201100328Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522351A (en) * | 2016-01-26 | 2016-04-27 | 安徽江淮汽车股份有限公司 | Lengthened shaft and manufacturing method thereof |
| CN108884806A (en) * | 2016-03-22 | 2018-11-23 | 株式会社铃诗苑 | The connection structure of the hydraulic turbine, the connection structure being made of two pin thread axis in the hydraulic turbine and two axis |
| CN106180854A (en) * | 2016-08-26 | 2016-12-07 | 安徽皖南电机股份有限公司 | The cutter holder of processing internal keyway |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
| CN106762787A (en) * | 2016-11-18 | 2017-05-31 | 江苏江大泵业制造有限公司 | A kind of counnter attack Coupling Shaft structure of submerged pump |
| CN109537446A (en) * | 2018-05-04 | 2019-03-29 | 徐胜祥 | A kind of mobile job platform system of assembling bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20131109 |