CN103423324A - Expansion sleeve - Google Patents
Expansion sleeve Download PDFInfo
- Publication number
- CN103423324A CN103423324A CN2013103624553A CN201310362455A CN103423324A CN 103423324 A CN103423324 A CN 103423324A CN 2013103624553 A CN2013103624553 A CN 2013103624553A CN 201310362455 A CN201310362455 A CN 201310362455A CN 103423324 A CN103423324 A CN 103423324A
- Authority
- CN
- China
- Prior art keywords
- wall
- expansion sleeve
- expansion
- sleeve
- described outer
- 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
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an expansion sleeve. The expansion sleeve has a cylindrical sleeve structure; the inner wall and the outer wall of the cylindrical sleeve are uniformly provided with a plurality of annular grooves at a uniform interval respectively; the outer wall is uniformly provided with a plurality of bolt holes; at the two ends of the bolt holes, one ends are provided with threaded holes, and the other ends are provided with counter bores; the counter bores are used for accommodating the heads of hexagonal socket screws; the annular groove in the outer wall is axially provided with a group of springs respectively. The scheme has the advantages of simple structure, convenience in machining, uniform stressing, low probability of wear, good expansion effect and capabilities of increasing the transfer torque and highly guaranteeing the use, so that a foundation is laid for popularization and application of an expansion connecting device of the expansion sleeve.
Description
Technical field
The present invention relates to a kind of keyless device, being specifically related to is a kind of expansion sleeve.
Background technique
Transmitting torque is large, the characteristics such as transmission precision is high, overload protection owing to having for expansion-joints, just progressively replaces traditional keyway and connects.Now, expansion-joints commonly used has conical ring expansion-joints and two kinds of forms of conical surface expansion sleeve expansion-joints.Wherein, the standardization of structure of conical surface expansion sleeve expansion-joints, seriation, structure, base dimension and the parameter of JB/T7934-1995 pair conical surface expansion sleeve expansion-joints provide by the form of form, use more convenient.About design handbook and the books of conical ring expansion-joints have detailed introduction and analytical calculation, this applies for it condition created.
Summary of the invention
Technical problem for above-mentioned existence the objective of the invention is: proposed a kind ofly can efficiently and stably transmit the more expansion sleeve of high pulling torque.
Technical solution of the present invention is achieved in that a kind of expansion sleeve, and described expansion sleeve is the cylindrical shroud structure, on described cylindrical shroud inwall and outer wall respectively evenly interval have a plurality of circular grooves; Be uniform-distribution with several bolts hole on described outer wall, at the two ends of bolt hole, an end is tapped hole, and the other end is counterbore, and counterbore is used for holding the head of hexagon socket head cap screw, is axially arranged with respectively one group of spring in described outer wall circular groove.
Further improved as the present invention, described outer wall circular groove bottom is provided with the circular arc chamfering.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
A kind of expansion sleeve of the present invention, simple in structure, easy to process, stressed evenly not easy to wear, swelling is effective and can increase transmitting torque, uses more securely, and this lays a good foundation for applying of expansion sleeve swelling connection set.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
The structural representation that accompanying drawing 1 is a kind of expansion sleeve of the present invention;
Wherein: 1, inwall; 2, outer wall; 3, circular groove; 4, bolt hole; 5, bolt; 6, spring; 7, circular arc chamfering.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Accompanying drawing 1 is a kind of expansion sleeve of the present invention, and described expansion sleeve is the cylindrical shroud structure, on described cylindrical shroud inwall 1 and outer wall 2 respectively evenly interval have a plurality of circular grooves 3; Be uniform-distribution with several bolts hole 4 on described outer wall 2, two ends at bolt hole 4, one end is tapped hole, the other end is counterbore, counterbore is used for holding the head of hexagon socket head cap screw, bolt 5 is housed in this bolt hole, is axially arranged with respectively one group of spring 6 the circular groove 3 of described outer wall 2 is interior, described outer wall circular groove 3 bottoms are provided with circular arc chamfering 7.
During use, expansion sleeve directly is enclosed within on axle, be set with wheel hub (or flange) on the cylindrical of expansion sleeve, tight a bolt 5, make the inside extrusion-deformation of expansion sleeve, thereby under the effect of elasticity tension force, axle and wheel hub (or flange) are linked together, reach the purpose of fixing and transmitting torque, the effect of circular groove 3 is when swelling, force bearing point is at the zone line of surface of contact, so just avoided concentrated stress at the two ends of surface of contact sharp corner, in order further to reduce the stress concentration phenomenon, wall circular groove 3 bottoms are provided with circular arc chamfering 7 outside, radius of arc is R2-R3.And the effect of the spring 6 be equipped with in outer wall bar-shaped trough 3 is except making the expansion sleeve can be in best working state in deformation process, also there is the effect that increases transmitting torque, simple in structure, processing is simple, use more securely, this lays a good foundation for applying of expansion sleeve swelling connection set.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. an expansion sleeve, described expansion sleeve is the cylindrical shroud structure, on described cylindrical shroud inwall and outer wall evenly interval have a plurality of circular grooves; Be uniform-distribution with several bolts hole on described outer wall, at the two ends of bolt hole, an end is tapped hole, and the other end is counterbore, and counterbore is used for holding the head of hexagon socket head cap screw, it is characterized in that: be axially arranged with respectively one group of spring in described outer wall circular groove.
2. a kind of expansion sleeve according to claim 1, it is characterized in that: described outer wall circular groove bottom is provided with the circular arc chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103624553A CN103423324A (en) | 2013-08-19 | 2013-08-19 | Expansion sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103624553A CN103423324A (en) | 2013-08-19 | 2013-08-19 | Expansion sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103423324A true CN103423324A (en) | 2013-12-04 |
Family
ID=49648526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103624553A Pending CN103423324A (en) | 2013-08-19 | 2013-08-19 | Expansion sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103423324A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640993A (en) * | 2017-02-24 | 2017-05-10 | 广州市精谷智能科技有限公司 | Coupling expanding sleeve |
| CN111706620A (en) * | 2020-07-06 | 2020-09-25 | 太原科技大学 | Keyless connection locking ring suitable for polygonal shaft |
-
2013
- 2013-08-19 CN CN2013103624553A patent/CN103423324A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640993A (en) * | 2017-02-24 | 2017-05-10 | 广州市精谷智能科技有限公司 | Coupling expanding sleeve |
| CN111706620A (en) * | 2020-07-06 | 2020-09-25 | 太原科技大学 | Keyless connection locking ring suitable for polygonal shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103423324A (en) | Expansion sleeve | |
| CN204525172U (en) | Tool grinder emery wheel clamping tooling | |
| CN203453309U (en) | Expansion sleeve | |
| CN202846482U (en) | Dismounting device for interference sleeve | |
| CN203784063U (en) | Anti-loosening round nut | |
| CN203316743U (en) | Live center capable of performing axial motion | |
| CN103746242B (en) | A kind of single-ended operation formula fluorescent tube plug-in and pull-off device | |
| CN204524442U (en) | Shaft forgings worm abrasion wheel gear grinding tooling | |
| CN105605111A (en) | Coupler | |
| CN102619849A (en) | Nut and fixing structure based on nut | |
| CN202531601U (en) | Nut and fixing structure based on nut | |
| CN203712325U (en) | Shaft tube machining fixture | |
| CN202155777U (en) | Device for fixing saw blade of large-diameter bar grinding wheel saw | |
| CN204099437U (en) | A kind of transmission coupling | |
| CN203330923U (en) | Novel spring chuck | |
| CN202732957U (en) | Sealing device of reactor | |
| CN202572146U (en) | Multifunctional fixture for elongated bearing | |
| CN206662985U (en) | Workpiece spindle | |
| CN203410949U (en) | Economical roller | |
| CN203843715U (en) | Oppositely combined type limiting structure | |
| CN204019469U (en) | A kind of axle sleeve dismantling device | |
| CN203335558U (en) | Locking device for pipe fitting assembling | |
| SE1751667A1 (en) | A bushing, a stator comprising such a bushing and a method of fastening such a bushing | |
| CN207921282U (en) | A kind of sprocket shaft | |
| CN202668426U (en) | Depth wrench for round nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |