CN110594311A - Power clutch device for automobile winch and automobile winch thereof - Google Patents
Power clutch device for automobile winch and automobile winch thereof Download PDFInfo
- Publication number
- CN110594311A CN110594311A CN201810601291.8A CN201810601291A CN110594311A CN 110594311 A CN110594311 A CN 110594311A CN 201810601291 A CN201810601291 A CN 201810601291A CN 110594311 A CN110594311 A CN 110594311A
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- CN
- China
- Prior art keywords
- teeth
- gear
- internal
- width
- external
- 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
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
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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
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/008—Clutches in which the members have interengaging parts characterised by the form of the teeth forming the inter-engaging parts; Details of shape or structure of these teeth
Abstract
The invention discloses a power clutch device for an automobile winch and the automobile winch, wherein the power clutch device comprises: an internal gear including first internal teeth and second internal teeth, one of the second internal teeth being provided between every two adjacent ones of the first internal teeth; the width of the second internal teeth is shortened relative to the width of the first internal teeth by taking one end face of the internal gear as a first reference; an external gear including first and second external teeth, one of the second external teeth being disposed between every two adjacent ones of the first external teeth; the width of the second external teeth is shortened relative to the width of the first external teeth by taking one end face of the external gear as a second reference; the first datum is opposite the second datum; the handle is connected with the inner gear, and when the handle is at a first position or a second position, the inner gear is correspondingly meshed with or separated from the outer gear. The invention has the advantages of easy and sensitive operation and high clutch rate.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a power clutch device for an automobile winch and the automobile winch.
Background
At present, a power clutch on a reduction gearbox of an automobile winch generally consists of a handle, an internal gear and an external gear. By rotating the handle, the internal gear and the external gear are in an engaged state or a disengaged state. When the internal gear and the external gear are in a meshed state, power is transmitted, and when the internal gear and the external gear are in a disengaged state, power is not transmitted.
In the conventional design, the end faces of all the internal teeth on the internal gear in the axial direction are flush, and the end faces of all the external teeth on the external gear in the axial direction are also flush. That is, the widths of all the internal teeth on the internal gear are the same, and the widths of all the external teeth on the external gear are the same. For example, a power clutch is designed according to needs, the number of teeth of the inner gear and the number of teeth of the outer gear are 74 teeth, the width of all inner teeth on the inner gear is the same, the width of all outer teeth on the outer gear is the same, the handle is rotated 180 degrees to stir the inner gear to move axially, and the inner gear is meshed with the outer gear so as to transmit power. However, 40% of the product handles are immobile, and the internal gear and the external gear cannot be engaged, so that the clutch rate is quite low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the power clutch device for the automobile winch, which is easy and sensitive to operate and high in clutch rate.
The invention also provides an automobile winch with the power clutch device for the automobile winch.
The power clutch device for the automobile winch according to the embodiment of the invention comprises:
an internal gear including a plurality of first internal teeth and a plurality of second internal teeth, one of the second internal teeth being provided between two adjacent ones of the first internal teeth; the width of the second internal teeth is shortened relative to the width of the first internal teeth in the axial direction of the internal gear with one end face of the internal gear as a first reference;
an outer gear including a plurality of first outer teeth and a plurality of second outer teeth, one of the second outer teeth being disposed between every two adjacent ones of the first outer teeth; a width of the second external teeth is shortened with respect to a width of the first external teeth in an axial direction of the external gear with one end surface of the external gear as a second reference; the first datum is opposite the second datum;
a handle connected to the inner gear and movable between a first position and a second position, the first and second inner teeth of the inner gear meshing with the first and second outer teeth of the outer gear when the handle is in the first position; when the handle is in the second position, the inner gear disengages from the outer gear.
According to the power clutch device for the automobile winch, the second internal teeth are arranged between the first internal teeth which are adjacent in pairs on the internal gear, and the width of the second internal teeth is shortened relative to the width of the first internal teeth relative to the first reference; correspondingly, a second external tooth is arranged between every two adjacent first external teeth of the external gear, and the width of the second external tooth is shortened relative to the width of the first external tooth relative to a second reference; when the relative position of the internal gear and the external gear is in a first reference and a second reference, the internal gear is stirred through the handle to move axially, so that the first internal tooth and the second internal tooth of the internal gear are meshed with the first external tooth and the second external tooth of the external gear easily, and meanwhile, the first internal tooth and the second internal tooth of the internal gear are separated from the first external tooth and the second external tooth of the external gear easily. In other words, the power clutch device for the automobile winch, provided by the embodiment of the invention, is easy and sensitive to operate, and the clutch rate is greatly improved.
According to one embodiment of the invention the width of the second inner teeth is shortened by 1-5mm in relation to the width of the first inner teeth. The width of the second inner teeth is shortened by 1-5mm relative to the width of the first inner teeth, so that the power clutch device is easier and more convenient to operate, and the clutch rate is further improved.
Optionally, the width of the second internal teeth is shortened by 3mm with respect to the width of the first internal teeth. Through shortening the relative first internal tooth width of second internal tooth width by 3mm for power clutch operates easily nimble more, and the separation and reunion rate further improves.
According to one embodiment of the invention the width of the second outer teeth is shortened by 1-5mm in relation to the width of the first outer teeth. The width of the second external teeth is shortened by 1-5mm relative to the width of the first external teeth, so that the power clutch device is easier and more flexible to operate, and the clutch rate is further improved.
Optionally, the second outer tooth width is shortened by 3mm relative to the width of the first outer tooth. The width of the second outer teeth is shortened by 3mm relative to the width of the first outer teeth, so that the power clutch device is easier and more flexible to operate, and the clutch rate is further improved.
According to an embodiment of the present invention, the second internal teeth are provided with a first chamfer at an end portion in an axial direction of the internal gear near the first reference; the second external teeth are provided with a second chamfer at an end portion in the axial direction of the external gear near the second reference. Therefore, the power clutch device is easier and more flexible to operate, the clutch rate is further improved, and the clutch rate can even reach 100%.
Optionally, the first chamfers are arranged symmetrically with respect to a central plane of the second internal teeth in the axial direction of the internal gear; the second chamfers are disposed symmetrically with respect to a center plane of the second external teeth in an axial direction of the external gear. Therefore, the power clutch device is easier and more flexible to operate, the clutch rate is further improved, and the clutch rate can even reach 100%.
According to an embodiment of the present invention, the second internal teeth are provided with a first round at an end portion in the axial direction of the internal gear near the first reference; the second outer teeth are provided with a second radius at an end portion near the second reference and in the axial direction of the outer gear. Therefore, the power clutch device is easier and more flexible to operate, the clutch rate is further improved, and the clutch rate can even reach 100%.
According to one embodiment of the invention, an eccentric cylinder is provided at an end of the handle connected to the internal gear.
In addition, the invention also discloses an automobile winch, which comprises a power clutch device, wherein the power clutch device comprises:
an internal gear including first internal teeth and second internal teeth, one of the second internal teeth being provided between every two adjacent ones of the first internal teeth; the width of the second internal teeth is shortened relative to the width of the first internal teeth in the axial direction of the internal gear with one end face of the internal gear as a first reference;
an external gear including first and second external teeth, one of the second external teeth being disposed between every two adjacent ones of the first external teeth; the second external tooth width is shortened with respect to the width of the first external tooth in an axial direction of the external gear with one end surface of the external gear as a second reference; the first datum is opposite the second datum;
a handle connected to the inner gear and movable between a first position and a second position, the first and second inner teeth of the inner gear meshing with the first and second outer teeth of the outer gear when the handle is in the first position; when the handle is in the second position, the inner gear disengages from the outer gear.
According to the automobile winch disclosed by the embodiment of the invention, the power clutch device is light and sensitive in operation, and the clutch rate is greatly improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an assembly view of a power clutch device for a winch of an automobile according to an embodiment of the present invention applied to a winch of an automobile;
FIG. 2 is a perspective view of an internal gear of an embodiment of the present invention;
FIG. 3 is a schematic plan view of an internal gear of an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic perspective view of an external gear in accordance with an embodiment of the present invention;
figure 6 is a schematic cross-sectional view of an external gear in accordance with an embodiment of the present invention;
FIG. 7 is an enlarged view of portion B of FIG. 6;
FIG. 8 is a perspective view of a handle of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A power clutch device for a winch of an automobile according to an embodiment of the present invention will be described with reference to fig. 1 to 8.
As shown in fig. 1 to 8, a power clutch device 10 for a winch of an automobile according to an embodiment of the present invention includes: internal gear 1, external gear 2, handle 3. The internal gear 1 includes a plurality of first internal teeth 11 and a plurality of second internal teeth 12, and one second internal tooth 12 is provided between every two adjacent first internal teeth 11; the width of the second internal teeth 12 is reduced relative to the width of the first internal teeth 11 in the axial direction of the internal gear 1 with one end surface of the internal gear 1 as the first reference 13. The external gear 2 includes a plurality of first external teeth 21 and a plurality of second external teeth 22, and one second external tooth 22 is provided between every two adjacent first external teeth 21; the width of the second outer teeth 22 is shortened relative to the width of the first outer teeth 21 in the axial direction of the external gear 2 with one end surface of the external gear 2 as the second reference 23; the first reference 13 of the internal gear 1 is opposed to the second reference 23 of the external gear 2. The handle 3 is connected with the internal gear 1 and is movable between a first position and a second position, when the handle 3 is in the first position, the first internal teeth 11 and the second internal teeth 12 of the internal gear 1 are meshed with the first external teeth 21 and the second external teeth 22 of the external gear 2; when the handle 3 is in the second position, the inner gear 1 is disengaged from the outer gear 2.
According to the power clutch device 10 for the winch of the automobile of the embodiment of the invention, on the internal gear 1, a second internal tooth 12 is arranged between the first internal teeth 11 adjacent to each other in pairs, and the width of the second internal tooth 12 is shortened relative to the width of the first internal teeth 11 relative to the first reference 13; accordingly, in the external gear 2, one second external tooth 22 is provided between two adjacent first external teeth 21, and the width of the second external tooth 22 is shortened relative to the width of the first external teeth 21 relative to the second reference 23; when the relative position of the internal gear 1 and the external gear 2 is made to be opposite to the first reference 13 and the second reference 23, the internal gear 1 is pulled by the handle 3 to move axially, so that the first internal teeth 11 and the second internal teeth 12 of the internal gear 1 and the first external teeth 21 and the second external teeth 22 of the external gear 2 are easily engaged with each other, and at the same time, the first internal teeth 11 and the second internal teeth 12 of the internal gear 1 and the first external teeth 21 and the second external teeth 22 of the external gear 2 are also easily disengaged from each other. That is, the power clutch device 10 for the winch of the automobile according to the embodiment of the present invention is easy and sensitive to operate, and the clutch rate is greatly improved.
According to an embodiment of the present invention, the value of the distance a by which the width of the second internal teeth 12 is shortened with respect to the width of the first internal teeth 11 may be selected within the range of 1 to 5 mm. Specifically, the value a of the embodiment of the invention is 3mm, so that the power clutch device is easier and more convenient to operate, and the clutch rate is further improved.
According to one embodiment of the invention, the value of the distance b by which the width of the second outer teeth 22 is shortened relative to the width of the first outer teeth 21 may be selected in the range of 1-5 mm. Specifically, the value b of the embodiment of the invention is 3mm, so that the power clutch device is easier and more convenient to operate, and the clutch rate is further improved.
According to one embodiment of the present invention, the second internal teeth 12 are provided with first chamfers 14 at ends close to the first reference 13 and in the axial direction of the internal gear 1; the second outer teeth 22 are provided with second chamfers 24 at ends near the second reference 23 and in the axial direction of the outer gear 2. Specifically, as shown in fig. 4, the first chamfers 14 are disposed symmetrically with respect to the center plane of the second internal teeth 12 in the axial direction of the internal gear 1; as shown in fig. 7, the second chamfers 24 are disposed symmetrically with respect to the center plane of the second external teeth 22 in the axial direction of the external gear 2. Therefore, the power clutch device is easier and more flexible to operate, the clutch rate is further improved, and the clutch rate can even reach 100%.
Instead of one embodiment of the present invention, the second internal teeth 12 are provided with a first rounding (not shown in the drawings) at the end portions near the first reference 13 and in the axial direction of the internal gear 1; the second external teeth 22 are provided with a second radius (not shown in the drawings) at the end portion near the second reference 23 and in the axial direction of the external gear 2, so that the operation of the power clutch device is also easier and more flexible, the clutch ratio is further improved, and the clutch ratio can even reach 100%.
According to an embodiment of the present invention, as shown in fig. 8, an eccentric cylinder 31 is provided at one end of the handle 3 connected to the internal gear 1.
In addition, the invention also discloses an automobile winch 100 (shown in fig. 1), which comprises a power clutch device 10, wherein the power clutch device 10 is the power clutch device 10 for the automobile winch.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A power clutching device for a winch of a vehicle, comprising:
an internal gear including a plurality of first internal teeth and a plurality of second internal teeth, one of the second internal teeth being provided between two adjacent ones of the first internal teeth; the width of the second internal teeth is shortened relative to the width of the first internal teeth in the axial direction of the internal gear with one end face of the internal gear as a first reference;
an outer gear including a plurality of first outer teeth and a plurality of second outer teeth, one of the second outer teeth being disposed between every two adjacent ones of the first outer teeth; a width of the second external teeth is shortened with respect to a width of the first external teeth in an axial direction of the external gear with one end surface of the external gear as a second reference; the first datum is opposite the second datum;
a handle connected to the inner gear and movable between a first position and a second position, the first and second inner teeth of the inner gear meshing with the first and second outer teeth of the outer gear when the handle is in the first position; when the handle is in the second position, the inner gear disengages from the outer gear.
2. The power clutch apparatus for winch of automobile as claimed in claim 1, wherein the width of the second internal teeth is shortened by 1-5mm with respect to the width of the first internal teeth.
3. The power clutch apparatus for an automobile winch according to claim 2, wherein the width of the second internal teeth is shortened by 3mm with respect to the width of the first internal teeth.
4. The power clutch apparatus for winch of automobile as claimed in claim 1, wherein the width of the second outer teeth is shortened by 1-5mm with respect to the width of the first outer teeth.
5. The power clutch apparatus for winch of automobile according to claim 4, wherein the width of the second outer teeth is shortened by 3mm with respect to the width of the first outer teeth.
6. The power clutch device for an automobile winch according to claim 1, wherein the second internal teeth are provided with a first chamfer at an end portion in the axial direction of the internal gear near the first reference; the second external teeth are provided with a second chamfer at an end portion in the axial direction of the external gear near the second reference.
7. The power clutch apparatus for an automobile winch according to claim 6, wherein the first chamfer is provided symmetrically with respect to a center plane of the second internal tooth in the axial direction of the internal gear; the second chamfers are disposed symmetrically with respect to a center plane of the second external teeth in an axial direction of the external gear.
8. The power clutch apparatus for a winch of an automobile according to claim 1, wherein the second internal teeth are provided with a first radius at an end portion near the first reference and in the axial direction of the internal gear; the second outer teeth are provided with a second radius at an end portion near the second reference and in the axial direction of the outer gear.
9. The power clutch device for a winch of an automobile as claimed in claim 1, wherein an eccentric cylinder is provided at an end of the handle connected to the internal gear.
10. A vehicle winch, characterized in that it comprises a power clutch device for vehicle winches according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601291.8A CN110594311A (en) | 2018-06-12 | 2018-06-12 | Power clutch device for automobile winch and automobile winch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601291.8A CN110594311A (en) | 2018-06-12 | 2018-06-12 | Power clutch device for automobile winch and automobile winch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110594311A true CN110594311A (en) | 2019-12-20 |
Family
ID=68849423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601291.8A Pending CN110594311A (en) | 2018-06-12 | 2018-06-12 | Power clutch device for automobile winch and automobile winch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110594311A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9409098D0 (en) * | 1994-05-07 | 1994-06-29 | Jcb Transmissions Ltd | Gearbox and clutch for use therein |
| CN101337643A (en) * | 2007-08-15 | 2009-01-07 | 浙江润华机电有限公司 | Electric capstan clutch |
| CN208397157U (en) * | 2018-06-12 | 2019-01-18 | 杭州天铭科技股份有限公司 | Power-off device and its automobile winch for automobile winch |
-
2018
- 2018-06-12 CN CN201810601291.8A patent/CN110594311A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9409098D0 (en) * | 1994-05-07 | 1994-06-29 | Jcb Transmissions Ltd | Gearbox and clutch for use therein |
| CN101337643A (en) * | 2007-08-15 | 2009-01-07 | 浙江润华机电有限公司 | Electric capstan clutch |
| CN208397157U (en) * | 2018-06-12 | 2019-01-18 | 杭州天铭科技股份有限公司 | Power-off device and its automobile winch for automobile winch |
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