CN205350026U - Little motor shaft - Google Patents
Little motor shaft Download PDFInfo
- Publication number
- CN205350026U CN205350026U CN201521048769.7U CN201521048769U CN205350026U CN 205350026 U CN205350026 U CN 205350026U CN 201521048769 U CN201521048769 U CN 201521048769U CN 205350026 U CN205350026 U CN 205350026U
- Authority
- CN
- China
- Prior art keywords
- interior axle
- connecting cylinder
- hole
- input section
- axle
- 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
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a little motor shaft, including pivot and interior axle, the pivot body is close to the one end of connecting cylinder and has seted up a circular accommodation hole and a square driving hole, square driving hole and circular accommodation hole intercommunication including input section, connecting cylinder and transmission section in the transmission section, interior position of axle is in the connecting cylinder, and interior axle is held including first end and second, and the first end of interior axle is connected with the input section, and the second end position of interior axle is in circular accommodation hole, and the surface of the second of interior axle end does not contact with circular accommodation hole, and the second of interior axle is served and still is provided with the transmission piece, and the transmission piece is located square driving hole, and directly there is the clearance in the surface of transmission piece with the inner wall of square driving hole, input section, connecting cylinder, transmission section, circular accommodation hole and interior axle are coaxial, there is the clearance between interior axle and the connecting cylinder. The utility model discloses axle and two sets of moment of torsion transmission parts of connecting cylinder in setting up, by interior axle transmission moment of torsion, the condition of avoiding power take off to suspend completely took place after the connecting cylinder fracture is become invalid.
Description
Technical field
This utility model relates to machine field, specifically refers to micro machine rotating shaft.
Background technology
Micro machine is a kind of conventional PTO, and its power is exported by rotating shaft.In the course of the work, rotating shaft can bear high torque, and when suddenling change particularly in service load, rotating shaft is very easily ruptured.After rotating shaft is ruptured, power output is interrupted completely, it is impossible to work on.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of micro machine rotating shaft being applicable to have more service load sudden change occasion is provided, this rotating shaft provides two kinds of drive mechanisms, after a kind of drive mechanism lost efficacy wherein, another kind of drive mechanism work, it is to avoid the situation that power output is interrupted completely occurs.
The purpose of this utility model is achieved through the following technical solutions:
Micro machine rotating shaft, including rotary shaft body and interior axle；Rotary shaft body includes input section, connecting cylinder and transmission segment, and the two ends of connecting cylinder are connected with input section and transmission segment respectively, and transmission segment offers circular hole and a square drive hole of holding near one end of connecting cylinder, and square drive hole connects with the circular hole that holds；Interior axle is positioned at connecting cylinder, interior axle includes the first end and the second end, first end of interior axle is connected with input section, second end of interior axle is positioned at circular accommodation hole, the outer surface of the second end of interior axle does not hold hole with circle and contacts, being additionally provided with drive block on second end of interior axle, drive block is positioned at square drive hole, and the inwall in the outer surface of drive block and square drive hole directly exists gap；Input section, connecting cylinder, transmission segment, circular accommodation hole and interior axle are coaxial；Gap is there is between interior axle and connecting cylinder.
Input section is connected with the clutch end of micro machine, and transmission segment is connected with equipment to be driven.When normal operation, input section drives connecting cylinder, transmission segment and interior axle to rotate, and owing to interior axle does not contact with circle accommodation hole and square drive hole with drive block, interior axle is not subject to load, and the power of micro machine is by inputting section, connecting cylinder and transmission segment output.After connecting cylinder ruptures, interior axle and transmission segment relatively rotate, and drive block is affixed on the inwall of square drive hole, are now transmitted moment of torsion by interior axle and drive block, drive transmission segment to rotate with this.The situation that power output is interrupted completely so can be avoided to occur.
Further, the rubber layer being arranged on the inwall of described square drive hole is also included.After connecting cylinder ruptures, drive block can collide with square drive hole inwall.Rubber layer is set, plays cushioning effect when drive block collides with square drive hole inwall, it is to avoid drive block ruptures, and improves reliability of the present utility model.
Further, the magnet piece being arranged in described drive block is also included.Arranging magnet piece, after making connecting cylinder fracture, drive block fits together with square drive hole inwall, it is to avoid during rotation speed change, drive block and square drive hole inwall collide again, improve the life-span of the present utility model.
Further, at least one Magnet circle being fixed on described interior axle is also included.The chip produced when Magnet circle is for adsorbing connecting cylinder fracture, it is to avoid chip disperses and damages other equipment, improves safety.
This utility model has the advantages that
1, this utility model arranges interior axle and connecting cylinder two overlaps torque transfer member, is transmitted moment of torsion by interior axle after connecting cylinder fracture failure, it is to avoid the situation that power output is interrupted completely occurs.
2, rubber layer is set, plays cushioning effect when drive block collides with square drive hole inwall, it is to avoid drive block ruptures, and improves reliability of the present utility model.
3, arranging magnet piece, after making connecting cylinder fracture, drive block fits together with square drive hole inwall, it is to avoid during rotation speed change, drive block and square drive hole inwall collide again, improve the life-span of the present utility model.
4, Magnet circle is set, the chip produced during for adsorbing connecting cylinder fracture, it is to avoid chip disperses and damages other equipment, improves safety.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the part of the application, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural representation of one specific embodiment of micro machine rotating shaft described in the utility model；
Fig. 2 is the sectional view shown in Fig. 1 along A-A direction.
Labelling and corresponding parts title in accompanying drawing: 1, rotating shaft, 101, input section, 102, connecting cylinder 103, transmission segment, 104, circular hold hole, 105, square drive hole, 2, interior axle, 3, drive block, 4, rubber layer, 5, magnet piece, 6, Magnet circle.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only used for explaining this utility model, are not intended as restriction of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, micro machine rotating shaft, including rotating shaft 1 and interior axle 2；Rotary shaft body 1 includes input section 101, connecting cylinder 102 and transmission segment 103, the two ends of connecting cylinder 102 are connected with input section 101 and transmission segment 103 respectively, offer circular hole 104 and a square drive hole 105 of holding in transmission segment 103 near one end of connecting cylinder 102, square drive hole 105 connects with the circular hole 104 that holds；Interior axle 2 is positioned at connecting cylinder 102, interior axle 2 includes the first end and the second end, first end of interior axle 2 is connected with input section 101, second end of interior axle 2 is positioned at circular accommodation hole 104, the outer surface of the second end of interior axle 2 does not hold hole 104 with circle and contacts, being additionally provided with drive block 3 on second end of interior axle 2, drive block 3 is positioned at the inwall in square drive hole 105, the outer surface of drive block 3 and square drive hole 105 and directly there is gap；Input section 101, connecting cylinder 102, transmission segment 103, circular accommodation hole 104 and interior axle 2 are coaxial；Gap is there is between interior axle 2 and connecting cylinder 102.
Input section 101 is connected with the clutch end of micro machine, and transmission segment 103 is connected with equipment to be driven.When normal operation, input section 101 drives connecting cylinder 102, transmission segment 103 and interior axle 2 to rotate, owing to interior axle 2 does not contact with circle accommodation hole 104 and square drive hole 105 with drive block 3, interior axle 2 is not subject to load, and the power of micro machine exports by inputting section 101, connecting cylinder 102 and transmission segment 103.After connecting cylinder 102 ruptures, interior axle 2 and transmission segment 103 relatively rotate, and drive block 3 is affixed on the inwall of square drive hole 105, is now transmitted moment of torsion by interior axle 2 and drive block 3, drives transmission segment 103 to rotate with this.The situation that power output is interrupted completely so can be avoided to occur.
Embodiment 2
As depicted in figs. 1 and 2, the present embodiment, on the basis of embodiment 1, also includes the rubber layer 4 being arranged on the inwall of described square drive hole 105.
Rubber layer 4 is set, plays cushioning effect when drive block 3 collides with square drive hole 105 inwall, it is to avoid drive block 3 ruptures, and improves the reliability of this rotating shaft.
Embodiment 3
As depicted in figs. 1 and 2, the present embodiment, on the basis of embodiment 1, also includes the magnet piece 5 being arranged in described drive block 3.
Arranging magnet piece 5, after making connecting cylinder 103 fracture, drive block 3 fits together with square drive hole 105 inwall, it is to avoid during rotation speed change, drive block 3 and square drive hole 105 inwall collide again, improve the life-span of this rotating shaft.
Embodiment 4
As depicted in figs. 1 and 2, the present embodiment, on the basis of embodiment 1, also includes at least one Magnet circle 6 being fixed on described interior axle 2.
Magnet circle 6 is set, for adsorbing the chip produced when connecting cylinder 103 ruptures, it is to avoid chip disperses and damages other equipment, improves safety.
Above content is further description this utility model made in conjunction with concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from other embodiments drawn under the technical solution of the utility model, should be included in protection domain of the present utility model.
Claims (4)
1. micro machine rotating shaft, it is characterised in that:
Including rotating shaft (1) and interior axle (2)；
Rotary shaft body (1) includes input section (101), connecting cylinder (102) and transmission segment (103), the two ends of connecting cylinder (102) are connected with input section (101) and transmission segment (103) respectively, the upper one end near connecting cylinder (102) of transmission segment (103) offers circular accommodation hole (104) and a square drive hole (105), and square drive hole (105) connect with the circular hole (104) that holds；
Interior axle (2) is positioned at connecting cylinder (102), interior axle (2) includes the first end and the second end, first end of interior axle (2) is connected with input section (101), second end of interior axle (2) is positioned at circular accommodation hole (104), the outer surface of the second end of interior axle (2) does not hold hole (104) with circle and contacts, second end of interior axle (2) is additionally provided with drive block (3), drive block (3) is positioned at the inwall in square drive hole (105), the outer surface of drive block (3) and square drive hole (105) and directly there is gap；
Input section (101), connecting cylinder (102), transmission segment (103), circular accommodation hole (104) and interior axle (2) are coaxial；
Gap is there is between interior axle (2) and connecting cylinder (102).
2. micro machine rotating shaft according to claim 1, it is characterised in that: also include the rubber layer (4) being arranged on described square drive hole (105) inwall.
3. micro machine rotating shaft according to claim 1, it is characterised in that: also include the magnet piece (5) being arranged in described drive block (3).
4. micro machine rotating shaft according to claim 1, it is characterised in that: also include at least one Magnet circle (6) being fixed on described interior axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048769.7U CN205350026U (en) | 2015-12-15 | 2015-12-15 | Little motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048769.7U CN205350026U (en) | 2015-12-15 | 2015-12-15 | Little motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350026U true CN205350026U (en) | 2016-06-29 |
Family
ID=56168409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521048769.7U Expired - Fee Related CN205350026U (en) | 2015-12-15 | 2015-12-15 | Little motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350026U (en) |
-
2015
- 2015-12-15 CN CN201521048769.7U patent/CN205350026U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161215 |