CN211852569U - Roller type centrifugal clutch - Google Patents
Roller type centrifugal clutch Download PDFInfo
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- CN211852569U CN211852569U CN202020031636.3U CN202020031636U CN211852569U CN 211852569 U CN211852569 U CN 211852569U CN 202020031636 U CN202020031636 U CN 202020031636U CN 211852569 U CN211852569 U CN 211852569U
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- roller
- centrifugal
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- star wheel
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Abstract
The utility model provides a roller formula centrifugal clutch belongs to roller clutch technical field. The roller type centrifugal clutch comprises a clutch main body, an adsorption piece and a limiting piece. The clutch main part includes friction pulley, interior star gear, centrifugation post, roller and elastic support piece, interior star gear rotate install in the inside center of friction pulley, the surface of interior star gear is seted up flutedly, the opening has been seted up to inslot wall one side of recess, the centrifugation post set up in inside the opening. The utility model discloses when the friction pulley auto-lock, can attract the centrifugal post through the adsorption part, make the centrifugal post remove the inside of opening, and the range of movement of locating part restriction roller prevents the roller to remove to the centrifugal post, and the possibility of roller and centrifugal post contact when reducing the auto-lock reduces the possibility that appears wearing and tearing between roller and the centrifugal post, reduces the possibility that roller and centrifugal post damaged, prolongs the life of roller and centrifugal post.
Description
Technical Field
The utility model relates to a roller clutch field particularly, relates to a roller formula centrifugal clutch.
Background
The roller clutch is an overrunning clutch which uses rollers and star wheels, and rollers and an outer raceway to form a friction pair.
When the common roller clutch is subjected to self-locking, the roller and the centrifugal part are easy to collide, so that the abrasion of the roller and the centrifugal part is easy to cause, and the service life of the roller and the centrifugal part is influenced.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides a roller type centrifugal clutch aims at improving the problem that roller and centrifugation piece collision appear easily when the auto-lock of traditional roller clutch.
The utility model discloses a realize like this:
the utility model provides a roller formula centrifugal clutch, including clutch main part, absorption piece and locating part.
The clutch main part includes friction pulley, interior star gear, centrifugation post, roller and elastic support piece, interior star gear rotate install in the inside center of friction pulley, the surface of interior star gear is seted up flutedly, the opening has been seted up to inslot wall one side of recess, the centrifugation post set up in inside the opening, the roller is installed in the groove, elastic support piece is fixed in the groove, elastic support piece's one side is being pasted the roller, the absorption piece is installed one side of opening, just the absorption piece with the mutual actuation of centrifugation post, the locating part is fixed groove one side of recess, just one side of locating part is pasting the roller.
In an embodiment of the present invention, the friction wheel and the inner star wheel are coaxially disposed, and a spline is disposed at the center of the inner star wheel.
In an embodiment of the present invention, the outer surface of the roller is provided with anti-slip strips at intervals, and two adjacent anti-slip grooves are formed between the anti-slip strips.
In an embodiment of the present invention, the elastic supporting member includes a spring and a contact block, a limiting groove is formed on the surface of the inner star wheel, the spring is fixed in the limiting groove, the contact block is installed on one side of the spring, and one side of the contact block is attached to the roller.
In an embodiment of the present invention, the inner wall of the spacing groove is symmetrically provided with two bumps, the surface of the contact block is provided with an outer edge plate, two the distance between the bumps is smaller than the length of the outer edge plate, the surface of the contact block and there is a gap between the bumps.
In an embodiment of the present invention, an elastic pad is disposed on one side of the contact block, and the elastic pad is in contact with the roller.
The utility model discloses an in one embodiment, the surface of interior star gear seted up with adsorb a assorted mounting groove, adsorb the piece and be fixed in the mounting groove inslot.
In an embodiment of the utility model, the inslot wall of mounting groove is provided with spacing arch, spacing arch is located adsorb the piece with between the centrifugal column.
In an embodiment of the present invention, the end of the locating part is provided with a chamfer, and the locating part and the centrifugal column are provided with a cavity therebetween.
In an embodiment of the present invention, the inner star wheel has a mounting hole formed on a surface thereof, the mounting hole corresponding to the position-limiting member, and one end of the position-limiting member is fixed in the mounting hole.
The utility model has the advantages that: the utility model discloses a roller type centrifugal clutch that above-mentioned design obtained, when the friction pulley auto-lock, the adsorption piece can attract the centrifugation post, makes the centrifugation post remove the inside of opening, and the locating part can restrict the range of movement of roller, and the restriction roller removes to the centrifugation post, and the possibility of roller and centrifugation post contact when reducing the auto-lock reduces the possibility that wearing and tearing appear between roller and the centrifugation post, reduces the possibility that roller and centrifugation post damaged, prolongs the life of roller and centrifugation post.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a roller-type centrifugal clutch provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an inner star wheel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a location B in fig. 3 according to an embodiment of the present invention.
In the figure: 100-a clutch body; 110-a friction wheel; 120-inner star wheel; 121-grooves; 122-a gap; 123-mounting grooves; 124-limit protrusions; 125-a limiting groove; 126-bumps; 130-a spin column; 140-a roller; 150-a resilient support; 151-spring; 152-a contact block; 153-outer edge plate; 200-an adsorption member; 300-a stop.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1 to 4, the present invention provides a roller-type centrifugal clutch, which includes a clutch body 100, an absorbing member 200 and a limiting member 300.
The clutch body 100 is a roller-type centrifugal clutch, the adsorption member 200 is used for attracting the centrifugal column 130 in the clutch body 100, and the limiting member 300 is used for limiting the moving range of the roller 140, when the friction wheel 110 is self-locked, the roller 140 and the centrifugal column 130 are not in contact, the possibility of abrasion between the roller 140 and the centrifugal column 130 is reduced, the possibility of damage to the roller 140 and the centrifugal column 130 is reduced, and the service lives of the roller 140 and the centrifugal column 130 are prolonged.
Referring to fig. 1-4, the clutch body 100 includes a friction wheel 110, an inner star wheel 120, a centrifugal column 130, a roller 140 and an elastic support member 150, the inner star wheel 120 is rotatably installed at the center of the friction wheel 110, a groove 121 is formed on the surface of the inner star wheel 120, a notch 122 is formed on one side of the inner wall of the groove 121, the centrifugal column 130 is disposed inside the notch 122, the roller 140 is installed in the groove 121, the elastic support member 150 is fixed in the groove 121, and the roller 140 is attached to one side of the elastic support member 150.
In some specific embodiments, anti-slip strips are arranged on the outer surface of the roller 140 at intervals, an anti-slip groove is formed between two adjacent anti-slip strips, so that the roller 140 can better drive the friction wheel 110 to rotate, the elastic support 150 comprises a spring 151 and a contact block 152, a limit groove 125 is formed on the surface of the inner star wheel 120, the spring 151 is fixed in the limit groove 125, the contact block 152 is installed on one side of the spring 151, one side of the contact block 152 is attached to the roller 140, the contact block 152 is supported by the spring 151, so that the contact block 152 can support the roller 140, two protrusions 126 are symmetrically arranged on the inner wall of the limit groove 125, an outer edge plate 153 is arranged on the surface of the contact block 152, the distance between the two protrusions 126 is smaller than the length of the outer edge plate 153, a gap exists between the surface of the contact block 152 and the protrusion 126, the protrusion 126 can limit the movement of the outer edge plate 153, thereby limiting the movement range of the contact block 152, and avoiding the contact, an elastic pad is arranged on one side of the contact block 152 and is in contact with the roller 140, so that the damage of the contact block 152 to the roller 140 can be reduced.
Referring to fig. 1-2, the adsorbing member 200 is installed at one side of the opening 122, and the adsorbing member 200 and the centrifugal column 130 are attracted to each other, in the specific implementation process, the adsorbing member 200 is a magnet, and the centrifugal column 130 is made of metal such as iron, cobalt, nickel, etc. that can be adsorbed on the surface of the magnet.
In some specific embodiments, the surface of the inner star wheel 120 is provided with a mounting groove 123 matched with the adsorbing member 200, the adsorbing member 200 is fixed in the mounting groove 123, so that the adsorbing member 200 is more stably mounted, the inner wall of the mounting groove 123 is provided with a limiting protrusion 124, and the limiting protrusion 124 is located between the adsorbing member 200 and the centrifugal column 130, so as to reduce the possibility that the centrifugal column 130 impacts the adsorbing member 200.
Referring to fig. 1-2, the limiting member 300 is fixed to one side of the groove 121, and one side of the limiting member 300 is attached to the roller 140, in a specific implementation, an end of the limiting member 300 is provided with a chamfer, so that the end of the limiting member 300 is more smooth, and the possibility of scratching an operator can be reduced during maintenance, a cavity is provided between the limiting member 300 and the centrifugal column 130, so as to facilitate the movement of the centrifugal column 130, a mounting hole corresponding to the limiting member 300 is formed on the surface of the inner star wheel 120, and one end of the limiting member 300 is fixed in the mounting hole, so that the mounting of the limiting member 300 is more stable.
Specifically, the working principle of the roller type centrifugal clutch is as follows: when the friction wheel 110 is connected with an external load, the elastic supporting member 150 supports the roller 140, so that the roller 140 is located at a position where the roller 140 cannot support the friction wheel 110, as can be seen from the principle of the roller-type overrunning clutch, at this time, the roller 140 cannot be wedged, the motor drives the inner star wheel 120 to idle, when the rotational speed of the output shaft of the motor is increased, the rotational speed of the inner star wheel 120 can be increased, the centrifugal force of the centrifugal column 130 on the surface of the inner star wheel 120 is increased, when the centrifugal force of the centrifugal column 130 is greater than the suction force of the suction member 200 and the elastic force of the elastic supporting member 150, the centrifugal column 130 moves and pushes the roller 140 to move, the roller 140 is pushed to the working position, so that the roller 140 is in a wedged state, thereby the friction wheel 110 can be driven to rotate, when the friction wheel 110 does not need to rotate, the friction wheel 110 is self-locked, the absorption member 200 is used for absorbing the centrifugal column 130, so that the centrifugal column 130 moves back to the inside of the opening 122, and the limiting member 300 can limit the moving range of the roller 140, reduce the possibility of the roller 140 contacting with the centrifugal column 130 during self-locking, reduce the possibility of abrasion between the roller 140 and the centrifugal column 130, reduce the possibility of damage to the roller 140 and the centrifugal column 130, and prolong the service life of the roller 140 and the centrifugal column 130.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A roller type centrifugal clutch is characterized by comprising
The clutch body (100), the clutch body (100) comprises a friction wheel (110), an inner star wheel (120), a centrifugal column (130), a roller (140) and an elastic support member (150), the inner star wheel (120) is rotatably installed in the center of the inside of the friction wheel (110), a groove (121) is formed in the surface of the inner star wheel (120), a notch (122) is formed in one side of the inner wall of the groove (121), the centrifugal column (130) is arranged inside the notch (122), the roller (140) is installed in the groove (121), the elastic support member (150) is fixed in the groove (121), and one side of the elastic support member (150) is attached to the roller (140);
the adsorption piece (200) is arranged on one side of the notch (122), and the adsorption piece (200) and the centrifugal column (130) are mutually attracted;
the limiting piece (300) is fixed on one side of the groove (121), and one side of the limiting piece (300) is attached to the roller (140).
2. Roller-type centrifugal clutch according to claim 1, characterized in that the friction wheel (110) and the inner star wheel (120) are coaxially arranged, and the center of the inner star wheel (120) is provided with splines.
3. A roller-type centrifugal clutch according to claim 1, characterized in that the outer surfaces of the rollers (140) are provided with anti-slip strips at intervals, and anti-slip grooves are formed between two adjacent anti-slip strips.
4. The roller-type centrifugal clutch according to claim 1, wherein the elastic supporting member (150) comprises a spring (151) and a contact block (152), a limiting groove (125) is formed in the surface of the inner star wheel (120), the spring (151) is fixed in the limiting groove (125), the contact block (152) is installed on one side of the spring (151), and one side of the contact block (152) is attached to the roller (140).
5. A roller centrifugal clutch according to claim 4, characterized in that the inner wall of the limiting groove (125) is symmetrically provided with two projections (126), the surface of the contact block (152) is provided with an outer edge plate (153), the distance between the two projections (126) is smaller than the length of the outer edge plate (153), and a gap exists between the surface of the contact block (152) and the projections (126).
6. A roller centrifugal clutch according to claim 4, characterized in that one side of the contact block (152) is provided with an elastic pad, which is in contact with the roller (140).
7. The roller type centrifugal clutch according to claim 1, wherein a mounting groove (123) matched with the adsorption member (200) is formed in the surface of the inner star wheel (120), and the adsorption member (200) is fixed in the mounting groove (123).
8. A roller clutch according to claim 7, characterized in that the inner wall of the mounting groove (123) is provided with a limiting protrusion (124), and the limiting protrusion (124) is located between the adsorption member (200) and the centrifugal column (130).
9. The roller-type centrifugal clutch according to claim 1, characterized in that the end of the limiting member (300) is chamfered, and a cavity is provided between the limiting member (300) and the centrifugal column (130).
10. The roller-type centrifugal clutch according to claim 1, wherein a mounting hole corresponding to the limiting member (300) is formed in the surface of the inner star wheel (120), and one end of the limiting member (300) is fixed in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031636.3U CN211852569U (en) | 2020-01-07 | 2020-01-07 | Roller type centrifugal clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031636.3U CN211852569U (en) | 2020-01-07 | 2020-01-07 | Roller type centrifugal clutch |
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| Publication Number | Publication Date |
|---|---|
| CN211852569U true CN211852569U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020031636.3U Active CN211852569U (en) | 2020-01-07 | 2020-01-07 | Roller type centrifugal clutch |
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| CN (1) | CN211852569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936637A (en) * | 2021-01-29 | 2021-06-11 | 贵州大众橡胶有限公司 | Automobile rubber diaphragm processing device |
-
2020
- 2020-01-07 CN CN202020031636.3U patent/CN211852569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936637A (en) * | 2021-01-29 | 2021-06-11 | 贵州大众橡胶有限公司 | Automobile rubber diaphragm processing device |
| CN112936637B (en) * | 2021-01-29 | 2022-08-30 | 贵州大众橡胶有限公司 | Automobile rubber diaphragm processing device |
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