CN208951157U - A kind of torsion spring type freewheel clutch - Google Patents
A kind of torsion spring type freewheel clutch Download PDFInfo
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- CN208951157U CN208951157U CN201821165879.5U CN201821165879U CN208951157U CN 208951157 U CN208951157 U CN 208951157U CN 201821165879 U CN201821165879 U CN 201821165879U CN 208951157 U CN208951157 U CN 208951157U
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- roller
- ontology
- housing
- mounting post
- torsion spring
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Abstract
The utility model proposes a kind of torsion spring type freewheel clutches, including ontology, housing and roller, the housing is mounted on the side of ontology, the ontology is annular, it is provided with roller slot on the internal perisporium of ontology, roller is placed in roller slot, is provided with the torsional spring parallel with roller between two adjacent rollers, the torsional spring is supported on housing, and the torque arm of torsional spring and the rear end of previous roller offset.The utility model ontology internal perisporium simple shape, it is easy to process, it is high in machining efficiency, production cost is effectively reduced, and the bearing capacity of more roller and lifting clutch can be accommodated.
Description
Technical field
The utility model relates to a kind of clutches, more particularly to a kind of torsion spring type freewheel clutch.
Background technique
Freewheel clutch is that power transmitting and isolated important component are realized between driving shaft and driven shaft.It is to utilize
The velocity variations of driving and driven part or the transformation of direction of rotation have the device of voluntarily clutch function.Existing freewheel clutch
Including the housing and ontology being connected, the end face of housing is located at the ontology side, and ontology is annular, sets on the internal perisporium of ontology
Be equipped with the groove for placing roller and pressure spring, groove has multiple and is uniformly distributed, due to existing reeded bottom wall, antetheca and
Rear wall is to be process on the body, and shape is complex, so that the broaching tool structure of broaching body upper groove is also more multiple
Miscellaneous, wire pulling method surplus is big, and processing efficiency is low and broaching tool is at high cost, and because the reason of groove antetheca and rear wall consumes ontology
Take that material is more, these all make the production cost of existing freewheel clutch higher.Moreover, because ontology inner circumferential space is limited,
The axis of pressure spring is longer, and the axis of pressure spring is perpendicular to roller, if being intended to by increasing roller quantity come the carrying of lifting clutch
Ability, roller quantity are limited.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of torsion spring type freewheel clutch, ontology inner circumferential
Wall simple shape, it is easy to process, it is high in machining efficiency, production cost is effectively reduced, and more roller can be accommodated and promoted from
The bearing capacity of clutch.
To reach above-mentioned purpose, technical solution provided by the utility model is: a kind of torsion spring type freewheel clutch, including
Ontology, housing and roller, the housing are mounted on the side of ontology, and the ontology is annular, are provided on the internal perisporium of ontology
Roller slot is placed with roller in roller slot, is provided with the torsional spring parallel with roller between two adjacent rollers, described
Torsional spring is supported on housing, and the torque arm of torsional spring and the rear end of previous roller offset.
The roller of the utility model is abutted against by torsional spring, and torsional spring is supported on housing, does not just have to setting tradition on the body
Rear wall as spring base, torsional spring can be supported on housing in many ways, can be install be also possible to stabilizer blade clamping side
Formula is connect with the supporting member on housing.The rear wall for processing bearing spring can thus not had on ontology, eliminated in ontology
The process of upper processing deep trouth, it is only necessary to process shallower roller slot, be conducive to simplify process tool, process tool cutting
Surplus is small, high in machining efficiency, and cutter life is long, can reduce the production cost of product.Importantly, torsional spring is parallel to rolling
Column, torsional spring size is smaller, and occupied space is few, can be by increasing the quantity of roller come the bearing capacity of lifting clutch.Also,
Torsional spring has storage power effect bearing capacity strong, and fatigue resistance is high, and service life is high, stable product quality.It is arranged from housing
Mounting post, smart structural design, torsional spring firmly install, the operation is stable, reliable,
Further, to optimize structure, reasonable disposition space, the housing includes end plate and circumferential part, the inner hole of end plate
Size is less than the hole size of ontology, and the periphery of the inner hole of end plate is provided with the mounting post for installing the torsional spring, the peace
Dress column and housing, which are integrally formed, to be either connected with housing, and mounting post is parallel to the axis of the roller, the circumferential part and
The excircle tight fit of the ontology.
It further, is the intensity for promoting mounting post, more reliable and more stable, the mounting post and housing are integrally formed, peace
Dress column includes shaft and column root, and the width dimensions of column root are greater than the width dimensions of shaft, the two sides of column root are provided with arc groove,
The side of arc groove connects with the root of column root.Arc groove can be concentrated to avoid stress, and mounting post is on the one hand made to be easier to be folded into
Type, on the other hand, when bearing load at work, the root two sides of mounting post are less prone to stress and concentrate and cause mounting post disconnected
It splits.
It further, further include baffle, the baffle is located at the other side on the ontology far from housing, the inner hole of baffle
Size is less than the hole size of the housing, and the front end of the mounting post is inserted into support holes set on the baffle.Housing,
Ontology and baffle form the working chamber of roller and torsional spring, and the front end of mounting post is positioned by the support holes on baffle, improve installation
The strength and stiffness of column, bearing capacity are promoted.
Further, the mounting post is T shape, and column root is that square is blocky, and shaft is rectangular strip, and the free end of shaft is provided with
Inclined-plane and become narrow gradually, the support holes are provided with the flange towards the shaft.Shaft free end, which comes to a point, to be easy to and support holes
Installation, the flange of support holes increase the bearing area of shaft front end, and bearing capacity is promoted.
Further, to promote the bearing capacity of torsional spring, and torsional spring is installed reliably, the torsional spring is torsion spring, is located at
The torque arm of the U-shaped at middle part is connected with the spring ring of two sides, and spring ring includes close to the storage power circle of torque arm and positioned at torsional spring two
The seat ring at end, the outer diameter for storing power circle are greater than the outer diameter of the seat ring, and the inner hole of the seat ring is the square hole with 4 arc chord angles；
The mounting post at least has there are two parallel rectangle sides, and the mounting post is adapted with the square hole of the seat ring.Store power
It enclosing larger, torsional spring can be made to save torsion, the square hole of seat ring and mounting post cooperate, prevent torsional spring is relative to mounting post from rotating,
Torque arm is able to store power work.
Further, in order to enable structure is more compact, and reach required torsion, the storage power of the unilateral spring ring
The circle number 2-4 of circle is enclosed, and the torsional spring is located at the rear side of roller, the torque arm from the stretching of the oblique upper of torsional spring and with the roller
It offsets.
Further, it is circumferentially rotated for anti-baffle plate, the periphery of the baffle is provided with the locating detent of bending, at described
Baffle positioning hole is set on body, and the locating detent protrudes into baffle positioning hole.
Further, to prevent housing from circumferentially rotating, anti-slip hole is provided on the housing, anti-slip hole is set to ontology side
It is equipped with positioning flange, the counterbore opposite with the anti-slip hole is provided on the ontology, the positioning flange is mutually fitted with counterbore
Match.
Further, the roller is 9-16.
Compared with prior art, the utility model has the beneficial effects that
1, ontology internal perisporium simple shape, it is easy to process, it is high in machining efficiency, production cost is effectively reduced, and can accommodate
More roller and the bearing capacity of lifting clutch；
2, the cutter of processing roller slot can be simplified, and can be improved cutter life, the cost of charp tool reduces；
3, it only needs to process shallower roller slot on ontology inner hole, without processing the wall for supporting pressure spring,
Reduce the materials of ontology, save raw material, reduces the cost of raw material；
4, torsion spring storage power ability is strong, and bearing capacity is high, and mounting post, smart structural design, torsional spring installation are arranged from housing
Securely, the operation is stable, reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the assembly relation schematic diagram of the baffle of the utility model, ontology and housing.
Fig. 3 is the partial enlarged view of Fig. 1.
Fig. 4 is the structural schematic diagram of housing in Fig. 1.
Fig. 5 is the partial enlarged view of mounting post expansion in Fig. 4.
Fig. 6 is one of the structural schematic diagram of torsional spring in Fig. 1.
Fig. 7 is the second structural representation of torsional spring in Fig. 1.
Fig. 8 is the partial enlarged view of baffle in Fig. 2.
The utility model is described in further detail with reference to the accompanying drawing.
Specific embodiment
As shown in Figures 1 to 8, a kind of torsion spring type freewheel clutch, including ontology 1, housing 2, roller 3 and baffle 4, it is described
Housing 2 is mounted on the side of ontology 1, and baffle 4 is installed on 1 other side of ontology, and the ontology 1 is annular, on the internal perisporium of ontology 1
It is provided with 9-12 roller slot 11, in the present embodiment, is provided that 9 roller slots 11, is placed with roller 3, phase in roller slot 11
The torsional spring 5 parallel with roller 3 is provided between two adjacent rollers 3, the torsional spring 5 supports on the housing 2, torsional spring 5
Torque arm 51 and the rear end of previous roller 3 offset.
As shown in Fig. 2, Fig. 4 and Fig. 5, to optimize structure, reasonable disposition space, the housing 2 includes end plate and circumferential part,
The hole size of end plate is less than the hole size of ontology 1, and the periphery of the inner hole of end plate is provided with the peace for installing the torsional spring 5
Column 21 is filled, the mounting post 21 is integrally formed with housing 2 to be either connected with housing 2, and the present embodiment uses integrated molding side
Formula, more reliable and more stable for the intensity for promoting mounting post 21, certain mounting post 21 is also possible to clamp on the housing 2, mounting post
21 are parallel to the axis of the roller 3.The excircle tight fit of the circumferential part of the housing 2 and the ontology 1.Baffle 4 it is interior
Pore size is less than the hole size of the housing 2, and support holes 41 set on the baffle 4 are inserted into the front end of the mounting post 21
In (as shown in Figure 8).Housing 2, ontology 1 and baffle 4 form the working chamber of roller 3 and torsional spring 5, and the front end of mounting post 21 is by baffle
Support holes 41 on 4 position, and improve the strength and stiffness of mounting post 21, and bearing capacity is promoted.
As shown in figure 5, mounting post 21 includes shaft 211 and column root 212, mounting post 21 is T shape, and column root 212 is that square is blocky,
The width dimensions of column root 212 are greater than the width dimensions of shaft 211, and shaft 211 is rectangular strip, and the free end of shaft 211 is provided with
Inclined-plane and become narrow gradually, the support holes 41 are provided with the flange towards the shaft 211.211 free end of shaft, which comes to a point, to be easy to
It is installed with support holes 41, the flange of support holes 41 increases the bearing area of 211 front end of shaft, and bearing capacity is promoted.In column
The two sides of root 212 are provided with arc groove 213, and the side of arc groove 213 connects with the root of column root 212.Arc groove 213 can be kept away
Exempt from stress concentration, mounting post 21 is on the one hand made to be easier to fold molding, on the other hand, when bearing load at work, mounting post 21
Root two sides be less prone to stress concentrate and cause mounting post 21 be broken.
As shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, in order to enable structure is more compact, and reaches required torsion, the torsional spring
5 are located at the rear side of roller 3.To promote the bearing capacity of torsional spring 5, and torsional spring 5 is installed reliably, the torsional spring 5 is torsion spring,
Torque arm 51 positioned at the U-shaped at middle part is connected with the spring ring of two sides, torque arm 51 from the oblique upper of torsional spring 5 stretch out and with the rolling
Column 3 offsets.Spring ring includes the seat ring 53 close to the storage power circle 52 of torque arm 51 and positioned at 5 both ends of torsional spring, stores the outer of power circle 52
Diameter is greater than the outer diameter of the seat ring 53, and the circle number 2-4 of the storage power circle 52 of the unilateral spring ring is enclosed, the storage power circle 52 of two sides
It is oppositely oriented.The inner hole of the seat ring 53 is the square hole with 4 arc chord angles.The mounting post 21 at least has there are two parallel
Rectangle sides, the mounting post 21 is adapted with the square hole of the seat ring 53.It is larger to store 52 outer diameter of power circle, torsional spring 5 can be made to store up
Torsion is stored, the square hole and mounting post 21 of seat ring 53 cooperate, prevent torsional spring 5 relative to mounting post 21 from rotating, torque arm 51 is able to
Store power work.
As shown in Figure 2 and Figure 4, to prevent housing 2 from circumferentially rotating, anti-slip hole 22, anti-slip hole 22 are provided on the housing 2
1 side of ontology is provided with positioning flange, the counterbore 12 opposite with the anti-slip hole 22 is provided on the ontology 1, it is described
Positioning flange is adapted with counterbore 12.It is circumferentially rotated for anti-baffle plate 4, the periphery of the baffle 4 is provided with the locating detent of bending
42, baffle positioning hole 12 is set on the ontology 1, and the locating detent 42 protrudes into baffle positioning hole 12.
The ontology internal perisporium simple shape of the utility model, it is easy to process, it is high in machining efficiency, production cost is effectively reduced,
And the bearing capacity of more roller and lifting clutch can be accommodated.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical scheme of the present invention, should all be covered
In the scope of the claims of the utility model.
Claims (10)
1. a kind of torsion spring type freewheel clutch, including ontology, housing and roller, the housing is mounted on the side of ontology, described
Ontology is annular, is provided with roller slot on the internal perisporium of ontology, is placed with roller in roller slot, it is characterised in that: adjacent two
The torsional spring parallel with roller is provided between a roller, the torsional spring is supported on housing, the torque arm of torsional spring with it is previous
The rear end of a roller offsets.
2. torsion spring type freewheel clutch according to claim 1, it is characterised in that: the housing includes end plate and circumference
Portion, the hole size of end plate are less than the hole size of ontology, and the periphery of the inner hole of end plate is provided with for installing the torsional spring
Mounting post, the mounting post is integrally formed with housing to be either connected with housing, and mounting post is parallel to the axis of the roller,
The excircle tight fit of the circumferential part and the ontology.
3. torsion spring type freewheel clutch according to claim 2, it is characterised in that: the mounting post and housing one at
Type, mounting post include shaft and column root, and the width dimensions of column root are greater than the width dimensions of shaft, the two sides of column root are provided with circle
The side of arc slot, arc groove connects with the root of column root.
4. torsion spring type freewheel clutch according to claim 2 or 3, it is characterised in that: it further include baffle, the baffle position
In, far from the other side of housing, the hole size of baffle is less than the hole size of the housing, the mounting post on the ontology
Front end be inserted on the baffle in set support holes.
5. torsion spring type freewheel clutch according to claim 4, it is characterised in that: the mounting post is T shape, and column root is square
Bulk, shaft are rectangular strip, and the free end of shaft is provided with inclined-plane and becomes narrow gradually, and the support holes are provided with towards the column
The flange of body.
6. torsion spring type freewheel clutch according to claim 2, it is characterised in that: the torsional spring is torsion spring, is located at
The torque arm of the U-shaped in portion is connected with the spring ring of two sides, and spring ring includes close to the storage power circle of torque arm and positioned at torsional spring both ends
Seat ring, the outer diameter for storing power circle is greater than the outer diameter of the seat ring, and the inner hole of the seat ring is the square hole with 4 arc chord angles；Institute
It states mounting post at least to have there are two parallel rectangle sides, the mounting post is adapted with the square hole of the seat ring.
7. torsion spring type freewheel clutch according to claim 6, it is characterised in that: the storage power circle of the unilateral spring ring
Circle number 2-4 circle, the torsional spring is located at the rear side of roller, the torque arm from the stretching of the oblique upper of torsional spring and with the roller phase
It supports.
8. torsion spring type freewheel clutch according to claim 4, it is characterised in that: the periphery of the baffle is provided with bending
Locating detent, baffle positioning hole is set on the body, and the locating detent protrudes into baffle positioning hole.
9. torsion spring type freewheel clutch according to claim 1, it is characterised in that: it is provided with anti-slip hole on the housing,
Anti-slip hole is provided with positioning flange to ontology side, and the counterbore opposite with the anti-slip hole is provided on the ontology, described
Positioning flange is adapted with counterbore.
10. torsion spring type freewheel clutch according to claim 1, it is characterised in that: the roller is 9-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165879.5U CN208951157U (en) | 2018-07-23 | 2018-07-23 | A kind of torsion spring type freewheel clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165879.5U CN208951157U (en) | 2018-07-23 | 2018-07-23 | A kind of torsion spring type freewheel clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951157U true CN208951157U (en) | 2019-06-07 |
Family
ID=66732406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165879.5U Active CN208951157U (en) | 2018-07-23 | 2018-07-23 | A kind of torsion spring type freewheel clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561455A (en) * | 2018-07-23 | 2018-09-21 | 许弟彬 | A kind of torsion spring type freewheel clutch |
-
2018
- 2018-07-23 CN CN201821165879.5U patent/CN208951157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561455A (en) * | 2018-07-23 | 2018-09-21 | 许弟彬 | A kind of torsion spring type freewheel clutch |
| CN108561455B (en) * | 2018-07-23 | 2024-03-29 | 重庆耐迪机电有限公司 | Torsional spring type overrunning clutch |
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