CN108571573B - Shaft sleeve connecting and positioning mechanism - Google Patents
Shaft sleeve connecting and positioning mechanism Download PDFInfo
- Publication number
- CN108571573B CN108571573B CN201810745580.5A CN201810745580A CN108571573B CN 108571573 B CN108571573 B CN 108571573B CN 201810745580 A CN201810745580 A CN 201810745580A CN 108571573 B CN108571573 B CN 108571573B
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- CN
- China
- Prior art keywords
- rotating shaft
- self
- hole
- locking
- blind 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
Abstract
The invention discloses a shaft sleeve connecting and positioning mechanism, and belongs to the field of mechanical transmission equipment. Comprises a rotating shaft and a shaft sleeve; the inner end of the rotating shaft is provided with a blind hole, and the axis of the rotating shaft is provided with a through hole; a sliding block is arranged in the blind hole of the rotating shaft in a sliding way, and the outer end of the sliding block is provided with a conical self-locking inclined plane; the outer end of the conical self-locking inclined plane is connected with a guide block; the conical self-locking inclined plane is provided with a self-locking ball in a rolling way, and the wall of the blind hole of the rotating shaft is provided with a spherical through hole which is relatively matched with the self-locking ball; the part of the self-locking ball, which is smaller than half, is positioned in the spherical through hole, and the outer part of the self-locking ball extends out of the spherical through hole; a circle of arc-shaped positioning sinking groove is formed in the shaft sleeve, and the outer side part of the self-locking ball extends out of the arc-shaped positioning sinking groove; a pull rod is arranged in the through hole of the rotating shaft, and the inner end of the pull rod is fixedly connected with the sliding block; a spring is arranged between the inner end of the sliding block and the bottom of the blind hole of the rotating shaft. The invention has simple structure, convenient use, fast installation and separation speed of the rotating shaft and the shaft sleeve and convenient later maintenance.
Description
Technical Field
The invention relates to the field of mechanical transmission equipment, in particular to a shaft sleeve connecting and positioning mechanism.
Background
In mechanical equipment, the use of a rotating shaft is very popular, the rotating shaft is generally sleeved on a shaft sleeve, the rotating shaft and the shaft sleeve are connected through an internal key and then are fixed by matching with a positioning screw. The disadvantages are that: under long-time working condition, the positioning screw is easy to deform, so that the installation and the disassembly are inconvenient, and the difficulty of later-period maintenance is high.
Disclosure of Invention
In order to solve the technical problem, the invention provides a shaft sleeve connecting and positioning mechanism.
The invention is realized by the following technical scheme: a shaft sleeve connecting and positioning mechanism comprises a rotating shaft and a shaft sleeve, wherein one end of the rotating shaft is inserted into the shaft sleeve in a matching mode, and a matched internal spline is arranged between the rotating shaft and the shaft sleeve; the inner end of the rotating shaft is provided with a blind hole, and the axis of the rotating shaft is provided with a through hole communicated with the blind hole; a sliding block is arranged in the rotating shaft blind hole in a sliding mode, and a conical self-locking inclined plane is formed at the outer end of the sliding block; the outer end of the conical self-locking inclined plane is connected with a guide block, and the guide block is slidably arranged in the blind hole of the rotating shaft; the conical self-locking inclined surface is provided with a self-locking ball in a rolling manner, and the wall of the blind hole of the rotating shaft is provided with a spherical through hole which is relatively matched with the self-locking ball; the part of the self-locking ball, which is smaller than half, is positioned in the spherical through hole, and the outer part of the self-locking ball extends out of the spherical through hole; a circle of arc positioning sinking grooves which are matched with the self-locking balls relatively are formed in the shaft sleeve, and the outer parts of the self-locking balls extend out of the arc positioning sinking grooves; a pull rod is arranged in the through hole of the rotating shaft, and the inner end of the pull rod is fixedly connected with the sliding block; and a spring is arranged between the inner end of the sliding block and the bottom of the blind hole of the rotating shaft.
It further comprises the following steps: the outer end of the pull rod extends out of the rotating shaft, and the outer end of the pull rod is connected with a pull ring.
The conical self-locking inclined plane is provided with a cylinder, the inner side of the guide block is provided with a sleeve matched with the cylinder, and the cylinder is sleeved in the sleeve in a matched manner; the cylindrical end surface is provided with a threaded blind hole, and the axial center of the guide block is provided with a through hole; and a fastening bolt is arranged in the guide block through hole, and the inner end of the fastening bolt is arranged in the cylindrical threaded blind hole through threaded connection.
The sliding block and the guide block are cylindrical.
When in use, the pull rod is pulled outwards, and then the rotating shaft is sleeved in the shaft sleeve; then, the pull ring is loosened, and the slide block and the conical self-locking inclined plane move rightwards under the action of the spring; then, aligning the internal spline and continuously pushing the rotating shaft inwards; when the self-locking ball is opposite to the arc positioning sinking groove on the shaft sleeve, the self-locking ball enters the arc positioning sinking groove under the pushing of the conical self-locking inclined surface to complete the positioning of the rotating shaft and the shaft sleeve.
Compared with the prior art, the invention has the beneficial effects that: simple structure, convenient to use, installation, the separating rate of pivot, axle sleeve are fast, the later stage maintenance of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a rotating shaft; 2. a shaft sleeve; 3. an internal spline; 4. a slider; 5. a tapered self-locking bevel; 6. a guide block; 7. a self-locking ball; 8. a spherical through hole; 9. an arc-shaped positioning sinking groove; 10. a pull rod; 11. a spring; 12. a pull ring; 13. and fastening the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the shaft sleeve connecting and positioning mechanism comprises a rotating shaft 1 and a shaft sleeve 2, wherein one end of the rotating shaft 1 is inserted into the shaft sleeve 2 in a matching mode, and a matched internal spline 3 is arranged between the rotating shaft 1 and the shaft sleeve 2.
The inner end of the rotating shaft 1 is provided with a blind hole, and the axis of the rotating shaft 1 is provided with a through hole communicated with the blind hole; a sliding block 4 is arranged in the blind hole of the rotating shaft 1 in a sliding way, and the outer end of the sliding block 4 is provided with a conical self-locking inclined surface 5; the outer end of the conical self-locking inclined plane 5 is connected with a guide block 6, and the guide block 6 is slidably arranged in a blind hole of the rotating shaft 1; the sliding block 4 and the guide block 6 are both cylindrical.
The conical self-locking inclined surface 5 is provided with a cylinder, the inner side of the guide block 6 is provided with a sleeve matched with the cylinder, and the cylinder is sleeved in the sleeve in a matched manner; a threaded blind hole is formed in the end face of the cylinder, and a through hole is formed in the axis of the guide block 6; and a fastening bolt 13 is arranged in the through hole of the guide block 6, and the inner end of the fastening bolt 13 is arranged in the threaded blind hole of the cylinder through threaded connection.
The conical self-locking inclined surface 5 is provided with a self-locking ball 7 in a rolling manner, and the blind hole wall of the rotating shaft 1 is provided with a spherical through hole 8 which is relatively matched with the self-locking ball 7; the part of the self-locking ball 7, which is smaller than half, is positioned in the spherical through hole 8, and the outer part of the self-locking ball 7 extends out of the spherical through hole 8; a circle of arc positioning sinking grooves 9 which are correspondingly matched with the self-locking balls 7 are formed in the shaft sleeve 2, and the outer side parts of the self-locking balls 7 extend out of the arc positioning sinking grooves 9. The distance between the conical self-locking inclined plane 5 and the cylinder at the front end of the conical self-locking inclined plane and the inner wall of the shaft sleeve 2 is smaller than the diameter of the self-locking ball 7, so that the self-locking ball 7 cannot move out of the spherical through hole 8.
A pull rod 10 is arranged in the through hole of the rotating shaft 1, and the inner end of the pull rod 10 is fixedly connected with the sliding block 4; a spring 11 is arranged between the inner end of the sliding block 4 and the bottom of the blind hole of the rotating shaft 1. The outer end of the pull rod 10 extends out of the rotating shaft 1, and the outer end of the pull rod 10 is connected with a pull ring 12.
The installation process comprises the following steps:
pulling the pull rod outwards, and then sleeving the rotating shaft in the shaft sleeve;
then, the pull ring is loosened, and the slide block and the conical self-locking inclined plane move rightwards under the action of the spring;
then, aligning the internal spline and continuously pushing the rotating shaft inwards;
when the self-locking ball is opposite to the arc positioning sinking groove on the shaft sleeve, the self-locking ball enters the arc positioning sinking groove under the pushing of the conical self-locking inclined surface to complete the positioning of the rotating shaft and the shaft sleeve;
and (3) a separation process:
the pull rod is pulled outwards, the conical self-locking inclined surface moves left, and then the rotating shaft is pulled;
under the self-weight of the self-locking ball or the thrust action of the relative motion of the rotating shaft and the shaft sleeve on the self-locking ball, the self-locking ball leaves the arc-shaped positioning sinking groove to complete the unlocking of the rotating shaft and the shaft sleeve;
then, the rotating shaft is continuously pulled to be separated from the shaft sleeve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A shaft sleeve connecting and positioning mechanism comprises a rotating shaft (1) and a shaft sleeve (2), wherein one end of the rotating shaft (1) is inserted into the shaft sleeve (2) in a matching mode, and a matched internal spline (3) is arranged between the rotating shaft (1) and the shaft sleeve (2);
the method is characterized in that:
the inner end of the rotating shaft (1) is provided with a blind hole, and the axis of the rotating shaft (1) is provided with a through hole communicated with the blind hole; a sliding block (4) is arranged in the blind hole of the rotating shaft (1) in a sliding manner, and a conical self-locking inclined surface (5) is arranged at the outer end of the sliding block (4); the outer end of the conical self-locking inclined plane (5) is connected with a guide block (6), and the guide block (6) is slidably arranged in a blind hole of the rotating shaft (1);
a self-locking ball (7) is arranged on the conical self-locking inclined surface (5) in a rolling manner, and a spherical through hole (8) which is relatively matched with the self-locking ball (7) is formed in the blind hole wall of the rotating shaft (1); the part, which is smaller than half, of the self-locking ball (7) is positioned in the spherical through hole (8), and the outer part of the self-locking ball (7) extends out of the spherical through hole (8); a circle of arc positioning sunken grooves (9) which are oppositely matched with the self-locking balls (7) are formed in the shaft sleeve (2), and the outer parts of the self-locking balls (7) extend out of the arc positioning sunken grooves (9);
a pull rod (10) is arranged in the through hole of the rotating shaft (1), and the inner end of the pull rod (10) is fixedly connected with the sliding block (4); a spring (11) is arranged between the inner end of the sliding block (4) and the bottom of the blind hole of the rotating shaft (1);
the conical self-locking inclined surface (5) is provided with a cylinder, the inner side of the guide block (6) is provided with a sleeve matched with the cylinder, and the cylinder is sleeved in the sleeve in a matched manner; the end surface of the cylinder is provided with a threaded blind hole, and the axis of the guide block (6) is provided with a through hole; and a fastening bolt (13) is arranged in the through hole of the guide block (6), and the inner end of the fastening bolt (13) is arranged in the cylindrical threaded blind hole through threaded connection.
2. The bushing coupling positioning mechanism of claim 1, wherein: the outer end of the pull rod (10) extends out of the rotating shaft (1), and the outer end of the pull rod (10) is connected with a pull ring (12).
3. The bushing coupling positioning mechanism of claim 1, wherein: the sliding block (4) and the guide block (6) are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745580.5A CN108571573B (en) | 2018-07-09 | 2018-07-09 | Shaft sleeve connecting and positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745580.5A CN108571573B (en) | 2018-07-09 | 2018-07-09 | Shaft sleeve connecting and positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571573A CN108571573A (en) | 2018-09-25 |
| CN108571573B true CN108571573B (en) | 2020-11-24 |
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ID=63573618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810745580.5A Active CN108571573B (en) | 2018-07-09 | 2018-07-09 | Shaft sleeve connecting and positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571573B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578787B (en) * | 2019-09-27 | 2021-01-08 | 江苏里华机械股份有限公司 | Quick assembly disassembly gear |
| CN115342117B (en) * | 2022-08-16 | 2024-02-06 | 杭州鑫凯传动机械有限公司 | Universal joint cross shaft |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555795A (en) * | 2016-11-30 | 2017-04-05 | 中航光电科技股份有限公司 | A kind of expansion link |
| CN206386351U (en) * | 2016-11-30 | 2017-08-08 | 陈建丰 | Retaining mechanism, support bar component and support meanss |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120232A (en) * | 1977-04-14 | 1978-10-17 | The United States Of America As Represented By The Secretary Of The Air Force | Socket lug assembly for aircraft stores |
| DE3200846A1 (en) * | 1982-01-14 | 1983-07-21 | Jean Walterscheid Gmbh, 5204 Lohmar | Wedge hub to connect two shafts |
| US6331091B2 (en) * | 1998-12-22 | 2001-12-18 | Gary A. Cross | Control-rod actuated axle assembly |
| US7762739B2 (en) * | 2007-08-31 | 2010-07-27 | Strategic Ideas, Llc | Fastener and assembly utilizing the same |
| DE102008064424B4 (en) * | 2008-12-22 | 2010-11-25 | Medica-Medizintechnik Gmbh | Plug-in coupling device |
| US8740493B2 (en) * | 2012-09-28 | 2014-06-03 | Hamilton Sundstrand Corporation | Torque tube with assembly assurance feature |
| CN203665475U (en) * | 2013-12-19 | 2014-06-25 | 麦太保电动工具(中国)有限公司 | Connector used for connecting electric tool with adaptor |
-
2018
- 2018-07-09 CN CN201810745580.5A patent/CN108571573B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555795A (en) * | 2016-11-30 | 2017-04-05 | 中航光电科技股份有限公司 | A kind of expansion link |
| CN206386351U (en) * | 2016-11-30 | 2017-08-08 | 陈建丰 | Retaining mechanism, support bar component and support meanss |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571573A (en) | 2018-09-25 |
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