CN205293038U - Screw mounting structure - Google Patents
Screw mounting structure Download PDFInfo
- Publication number
- CN205293038U CN205293038U CN201521122739.6U CN201521122739U CN205293038U CN 205293038 U CN205293038 U CN 205293038U CN 201521122739 U CN201521122739 U CN 201521122739U CN 205293038 U CN205293038 U CN 205293038U
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- CN
- China
- Prior art keywords
- axle sleeve
- motor shaft
- propeller hub
- outside
- head
- 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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Abstract
The utility model provides a screw mounting structure, the motor rotor shaft sleeve comprises a motor shaft, the suit is outside the motor shaft and along with motor shaft pivoted propeller hub, and with propeller hub integrated into one piece's multi -disc paddle, still include an axle sleeve, a plurality of radial opening have been seted up to the head of axle sleeve, be equipped with outside from the interior male cone (strobilus masculinus) that reduces gradually on the outer wall of the head of axle sleeve, the axle sleeve suit is outside the motor shaft, the propeller hub suit is outside the axle sleeve, thereby just thereby the male cone (strobilus masculinus) of the head of the inner wall extrusion axis cover of the head of propeller hub makes the head deformation of axle sleeve hold the motor shaft tightly to the internal contraction, the afterbody of propeller hub supports outward tightly has the mounting of fixing outside the afterbody of axle sleeve. The utility model has the advantages of thereby the propeller hub has the axle sleeve of radial opening through press band and make the axle sleeve warp holds the motor shaft tightly to realize the installation of propeller hub and motor shaft, simple structure is compact, equipment convenience, fixed firmly reliable, and the propeller hub can not followed the motor shaft pine and taken off, thereby it is stable to have guaranteed effectively that the screw moves.
Description
Technical field
This utility model relates to a kind of mounting structure for propeller.
Background technology
Propeller is the propeller form being most widely used on current various ships, and the mechanical power transmission of about 70% can be propulsive force by it, has simple structure, cheap, easy to use and efficiency relatively advantages of higher. Important Primary Component as marine propeller, whether the installation of propeller is firm particularly important, and in prior art, mounting structure for propeller mainly includes motor shaft, be set in this motor shaft outer and rotates with this motor shaft propeller hub and multi-disc blade integrated with this propeller hub, radially offering multiple screw on propeller hub, when being sleeved on motor shaft by propeller hub, in screw, spiral shell is provided with screw, the inner end of screw is against on motor shaft, thus realizing the fixed installation of propeller hub and motor shaft. In use, drive motor drive motor axle rotates, motor shaft rotates and then drives propeller hub and blade to rotate thus producing thrust power, and then drive boats and ships to move forward, long-term rotation because of propeller hub, it is easy to make screw drop out in screw, it is easy to produce vibration, cause propeller fluctuation of service or can not work.
Summary of the invention
There is above-mentioned deficiency in prior art to overcome, this utility model provides a kind of simple and compact for structure, reliable mounting structure for propeller of fixation.
The technical scheme in the invention for solving the technical problem is: a kind of mounting structure for propeller, including motor shaft, it is set in the propeller hub that this motor shaft is outer and rotates with this motor shaft, and multi-disc blade integrated with this propeller hub, also include an axle sleeve, the head of this axle sleeve offers multiple radial direction gap, the outer wall of the head of this axle sleeve is provided with diminishing male cone (strobilus masculinus) from outside to inside, this axle sleeve is sleeved on outside described motor shaft, described propeller hub is sleeved on outside described axle sleeve, and the inwall of the head of described propeller hub extrudes the male cone (strobilus masculinus) of head of described axle sleeve so that the leading edge deformation of described axle sleeve is to contract thus holding described motor shaft tightly, the fixture outside the afterbody being fixed on described axle sleeve is pushed against outside the afterbody of described propeller hub.
Further, the inwall of the head of described propeller hub is provided with the inner conical surface matched with described male cone (strobilus masculinus).
Further, the afterbody of described axle sleeve is externally provided with external screw thread, and described fixture is be arranged in nut outside described external screw thread or nut.
Further, also it is set with, outside the afterbody of described axle sleeve, the packing ring being supported between described propeller hub and fixture.
Further, being also set with protective cover outside described blade, the head of this protective cover is provided with the adapter sleeve being sleeved on outside described motor shaft and rotating relative to described motor shaft.
This utility model is when mounted, make the motor shaft adapter sleeve through protective cover of drive motor, motor casing outside adapter sleeve and drive motor is fixedly linked, then axle sleeve is sleeved on the correct position of motor shaft, then propeller hub is sleeved on outside axle sleeve, propeller hub and blade are placed in protective cover, the male cone (strobilus masculinus) outside inner conical surface extruding sleeve head in propeller hub head, because the head of axle sleeve is provided with radially gap, the head of axle sleeve can deform to contract thus holding motor shaft tightly, then packing ring is installed at the afterbody of axle sleeve, and at the external screw thread place fastening nut of axle sleeve afterbody or nut, nut or nut make packing ring be pushed against outside the afterbody of propeller hub, prevent propeller hub movable, thus the fixed installation realized between propeller hub and motor shaft, fixation is reliable. in use, drive motor drive motor axle rotates, and motor shaft rotates and then drive propeller hub and blade to rotate thus producing thrust power, and then drives boats and ships to move forward.
The beneficial effects of the utility model are in that: 1, propeller hub is by extruding the axle sleeve with radial direction gap and making axle sleeve deform thus holding motor shaft tightly, thus realizing the installation of propeller hub and motor shaft, simple and compact for structure, easy to assembly, fixation is reliable, propeller hub will not get loose from motor shaft, thus it is stable to be effectively ensured propeller. 2, being provided with inner conical surface in the head of propeller hub, inner conical surface coordinates with the male cone (strobilus masculinus) of axle sleeve, and result of use is good. 3, fixture is nut or nut the afterbody being arranged in axle sleeve, easy for installation. 4, packing ring it is provided with between propeller hub and fixture, thus propeller hub is protected. 5, blade is provided with protective cover, thus blade, propeller hub and motor shaft are protected.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model.
Fig. 2 is explosive view of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
With reference to Fig. 1, Fig. 2, a kind of mounting structure for propeller, including motor shaft 1, it is set in the propeller hub 2 that this motor shaft is outer and rotates with this motor shaft, and multi-disc blade 3 integrated with this propeller hub, also include an axle sleeve 4, the head of this axle sleeve offers multiple radial direction gap 5, the outer wall of the head of this axle sleeve is provided with diminishing male cone (strobilus masculinus) 6 from outside to inside, this axle sleeve 4 is sleeved on outside described motor shaft 1, described propeller hub 2 is sleeved on outside described axle sleeve 4, and the inwall of the head of described propeller hub 2 extrudes the male cone (strobilus masculinus) of head of described axle sleeve 4 so that the leading edge deformation of described axle sleeve is to contract thus holding described motor shaft 1 tightly, the fixture 7 outside the afterbody being fixed on described axle sleeve is pushed against outside the afterbody of described propeller hub 2.
The inwall of the head of described propeller hub 2 is provided with the inner conical surface matched with described male cone (strobilus masculinus), and result of use is good.
The afterbody of described axle sleeve 4 is externally provided with external screw thread 8, and described fixture 7 is be arranged in nut outside described external screw thread 8 or nut, easy for installation.
The packing ring 9 being supported between described propeller hub 2 and fixture 7 also it is set with, thus propeller hub 2 is protected outside the afterbody of described axle sleeve 4.
Described blade 3 is outer is also set with protective cover 10, and the head of this protective cover is provided with and is sleeved on the adapter sleeve 11 that described motor shaft 1 is outer and rotates relative to described motor shaft, and blade 3, propeller hub 2 and motor shaft 1 are protected by protective cover 10.
This utility model is when mounted, make the motor shaft 1 adapter sleeve 11 through protective cover 10 of drive motor 12, motor casing outside adapter sleeve 11 and drive motor 12 is fixedly linked, then axle sleeve 4 is sleeved on the correct position of motor shaft 1, then propeller hub 2 is sleeved on outside axle sleeve 4, propeller hub 2 and blade 3 are placed in protective cover 10, the male cone (strobilus masculinus) outside inner conical surface extruding axle sleeve 4 head in propeller hub 2 head, 6 are provided with radially gap 5 because of the head of axle sleeve, the head of axle sleeve 4 can deform to contract thus holding motor shaft 1 tightly, then packing ring 9 is installed at the afterbody of axle sleeve 4, and at external screw thread 8 place's fastening nut of axle sleeve 4 afterbody or nut, nut or nut make packing ring 9 be pushed against outside the afterbody of propeller hub 2, prevent propeller hub movable, thus the fixed installation realized between propeller hub 2 and motor shaft 1, fixation is reliable, propeller hub 2 will not get loose from motor shaft 1, thus it is stable to be effectively ensured propeller. in use, drive motor 12 drive motor axle 1 rotates, and motor shaft rotates and then drives propeller hub 2 and blade 3 to rotate thus producing thrust power, and then drives boats and ships to move forward.
Claims (5)
1. a mounting structure for propeller, including motor shaft, it is set in the propeller hub that this motor shaft is outer and rotates with this motor shaft, and multi-disc blade integrated with this propeller hub, it is characterized in that: also include an axle sleeve, the head of this axle sleeve offers multiple radial direction gap, the outer wall of the head of this axle sleeve is provided with diminishing male cone (strobilus masculinus) from outside to inside, this axle sleeve is sleeved on outside described motor shaft, described propeller hub is sleeved on outside described axle sleeve, and the inwall of the head of described propeller hub extrudes the male cone (strobilus masculinus) of head of described axle sleeve so that the leading edge deformation of described axle sleeve is to contract thus holding described motor shaft tightly, the fixture outside the afterbody being fixed on described axle sleeve is pushed against outside the afterbody of described propeller hub.
2. mounting structure for propeller according to claim 1, it is characterised in that: the inwall of the head of described propeller hub is provided with the inner conical surface matched with described male cone (strobilus masculinus).
3. mounting structure for propeller according to claim 1 and 2, it is characterised in that: the afterbody of described axle sleeve is externally provided with external screw thread, and described fixture is be arranged in nut outside described external screw thread or nut.
4. mounting structure for propeller according to claim 1 and 2, it is characterised in that: also it is set with the packing ring being supported between described propeller hub and fixture outside the afterbody of described axle sleeve.
5. mounting structure for propeller according to claim 1 and 2, it is characterised in that: being also set with protective cover outside described blade, the head of this protective cover is provided with the adapter sleeve being sleeved on outside described motor shaft and rotating relative to described motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122739.6U CN205293038U (en) | 2015-12-31 | 2015-12-31 | Screw mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122739.6U CN205293038U (en) | 2015-12-31 | 2015-12-31 | Screw mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205293038U true CN205293038U (en) | 2016-06-08 |
Family
ID=56469568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521122739.6U Active CN205293038U (en) | 2015-12-31 | 2015-12-31 | Screw mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205293038U (en) |
-
2015
- 2015-12-31 CN CN201521122739.6U patent/CN205293038U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |