CN215890871U - Multi-end-face type ratchet-pawl clutch - Google Patents

Multi-end-face type ratchet-pawl clutch Download PDF

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Publication number
CN215890871U
CN215890871U CN202121065325.XU CN202121065325U CN215890871U CN 215890871 U CN215890871 U CN 215890871U CN 202121065325 U CN202121065325 U CN 202121065325U CN 215890871 U CN215890871 U CN 215890871U
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pawl
driven gear
driving
seat
ratchet
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尹世和
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Abstract

The utility model provides a multi-end-face type ratchet-pawl clutch, which comprises a driving ratchet, a pawl, a pressure providing element, a pawl seat, a driving seat and a driven gear set, wherein the driving ratchet is arranged on the driving ratchet; the gears in the driving ratchet wheel and the driven gear set are both end face type ratchet wheels, and the end face type ratchet wheels are ratchet wheels with ratchets arranged on the same end face; when rotating in the idle direction; the pawl can not impact the driving ratchet wheel, the structure is more compact, the size of the multi-end-face type ratchet wheel and pawl clutch can be effectively reduced, the adaptability is better, and larger torque can be transmitted during locking.

Description

Multi-end-face type ratchet-pawl clutch
Technical Field
The utility model relates to a one-way clutch, in particular to a multi-end-face type ratchet-pawl clutch.
Background
The end face type ratchet clutch is one of one-way clutches; most of end-face ratchet wheel clutches on the market at present consist of a driving ratchet wheel and a pawl, for example, most of bicycle hub clutches adopting the end-face ratchet wheel, when the bicycle hub clutch rotates along an idle rotation direction, the pawl slides at the tail end of the tooth top of the ratchet wheel of the driving ratchet wheel and then impacts the surface of the driving ratchet wheel under the action of a pressure providing element and makes a sound, and the pawl and the driving ratchet wheel are increased in the process; if the multi-ratchet mode is adopted, the pawl can be prevented from impacting the surface of the ratchet wheel when the one-way clutch rotates along the idling direction, and if the multi-ratchet mode is adopted, the driving ratchet wheel and the driven ratchet wheel in the multi-ratchet wheel are in an external meshing type or an internal meshing type, the size of the clutch is not easy to reduce.
Disclosure of Invention
The utility model provides a multi-end-face ratchet-pawl clutch which can be divided into an outer embodiment and an inner embodiment according to the condition that a driven gear set is positioned on the outer side or the inner side of a driving ratchet.
The technical scheme adopted by the utility model is as follows: a multi-end-face type ratchet-pawl clutch comprises a driving ratchet, a pawl, a pressure providing element, a pawl sleeve, a pawl seat, a driving seat and a driven gear set;
one or more pawls are arranged on the pawl sleeve, and the pawls can move relative to the pawl sleeve;
the pawl is sleeved on the pawl seat;
the pressure providing element is connected with the pawl; the number of the pressure providing elements is one or more;
the driving ratchet wheel is arranged on the driving seat;
the main seat is connected with the pawl seat, and the main seat can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set can be arranged on the outer side or the inner side of the driving ratchet wheel; when the driven gear set is arranged on the outer side of the driving ratchet wheel, the reference circle diameter of the driven gear is larger than that of the driving ratchet wheel, the driving seat is used as an inner ring or a shaft of the one-way clutch, and the pawl seat is used as an outer ring or a shell of the one-way clutch; when the driven gear set is arranged on the inner side of the driving ratchet wheel, the reference circle diameter of the driven gear is smaller than that of the driving ratchet wheel, the driving seat is used as an outer ring or a shell of the one-way clutch, and the pawl seat is used as an inner ring or a shaft of the one-way clutch;
preferably, the driving ratchet wheel and the driven gear are both end face type ratchet wheels, and the end face type ratchet wheels are ratchet wheels with ratchets arranged on the same end face;
the driving ratchet wheel is provided with a driving coupling structure, and the driven gear set is provided with a driven coupling structure; the slave coupling structure comprises a slave two-coupling structure arranged on the slave two gears; the driving ratchet wheel drives the driven gear set to rotate through the main coupling structure and the auxiliary coupling structure by taking the pawl seat as a reference system, and controls the relative position of the driving ratchet wheel and the driven gear set;
when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl seat is used as a reference system, the driving ratchet wheel firstly rotates for a certain angle relative to the driven gear, the driving ratchet wheel then drives the driven gear to rotate, and the driving ratchet wheel is used as the reference system.
Furthermore, the face-type ratchet wheels adopted by the driving ratchet wheel and the driven gear comprise a face gear and a face gear, the ratchet wheel is one of gears, and the gears in the driven gear set can be ratchet wheels or gears with other tooth types.
Furthermore, the end-face type ratchet wheels adopted by the driving ratchet wheel and the driven gear can be bevel gears, namely the bevel gears arranged on the end faces, the ratchet wheel is one of gears, and the gear in the driven gear set can be the ratchet wheel or other tooth-shaped gears.
Further, the main coupling structure and/or the auxiliary coupling structure may be implemented in the form of one or more structures of a protrusion, a groove, a positioning key, and a positioning groove, that is, the driving ratchet wheel and/or the driven gear set is/are provided with one or more structures of a protrusion, a groove, a positioning key, and a positioning groove, and the driving ratchet wheel drives the driven gear set to rotate through one or more structures of a protrusion, a groove, a positioning key, and a positioning groove provided on the driving ratchet wheel and/or the driven gear set, with the pawl seat as a reference system.
Furthermore, the active ratchet wheel is connected with the pawl seat through shaft hole clearance fit, a sliding bearing, a rolling bearing or a rolling body; the driven gear set is connected with the pawl seat through shaft hole clearance fit, a sliding bearing, a rolling bearing or a rolling body.
Further, a pawl wheel is arranged on the pawl, and when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl moves on the tooth tops of the driving ratchet wheel and the tooth tops of the driven two-gear wheel through the pawl wheel by taking the driving ratchet wheel as a reference system.
Furthermore, tooth tops of the driving ratchet wheel are different in height, namely, the tooth top close to the outer side of the driving ratchet wheel is not on the same surface with the tooth top close to the inner side of the driving ratchet wheel, so that the contact part between the pawl and the driving ratchet wheel when the multi-end-face type ratchet-pawl clutch rotates in the idling direction is reduced; when the driven gear set is arranged on the outer side of the driving ratchet wheel, the tooth crest close to the outer side of the driving ratchet wheel is higher than the tooth crest close to the inner side of the driving ratchet wheel; when the driven gear set is arranged on the inner side of the driving ratchet wheel, the tooth top of the driving ratchet wheel close to the inner side is higher than the tooth top of the driving ratchet wheel close to the outer side.
Further, the pressure providing element is used to ensure that when the multi-end-face ratchet-pawl clutch rotates in the locking direction, the part or component where the pawl is engaged with the active ratchet may be a spring or a leaf spring that works by using the elastic property of the material, or may be a magnet that is formed by combining one or more magnets, and preferably, the pressure providing element is an elastic element.
Further, the pressure providing element may act on one or more of the entire pawl, the pawl on the side of the driving ratchet, and the pawl on the side of the driven gear set.
A multi-end-face type ratchet-pawl clutch comprises a driving ratchet, a pawl, a pressure providing element, a pawl sleeve, a pawl seat, a driving seat and a driven gear set;
one or more pawls are arranged on the pawl sleeve, and the pawls can move relative to the pawl sleeve;
the pawl is sleeved on the pawl seat;
the pressure providing element is connected with the pawl; the number of the pressure providing elements is one or more;
the driving ratchet wheel is arranged on the driving seat;
the main seat is connected with the pawl seat, and the main seat can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set can be arranged on the outer side or the inner side of the driving ratchet wheel; when the driven gear set is arranged on the outer side of the driving ratchet wheel, the reference circle diameter of the driven gear is larger than that of the driving ratchet wheel, the driving seat is used as an inner ring or a shaft of the one-way clutch, and the pawl seat is used as an outer ring or a shell of the one-way clutch; when the driven gear set is arranged on the inner side of the driving ratchet wheel, the reference circle diameter of the driven gear is smaller than that of the driving ratchet wheel, the driving seat is used as an outer ring or a shell of the one-way clutch, and the pawl seat is used as an inner ring or a shaft of the one-way clutch;
preferably, the driving ratchet wheel, the driven gear and the driven gear are all end face type ratchet wheels, and the end face type ratchet wheels are ratchet wheels with ratchets arranged on the same end face;
the driving ratchet wheel is provided with a driving coupling structure, and the driven gear set is provided with a driven coupling structure; the slave coupling structure comprises a slave two-coupling structure arranged on the slave two gears; the slave coupling structure comprises a slave coupling structure arranged on the slave gear; the driving ratchet wheel drives the driven gear set to rotate through the main coupling structure and the auxiliary coupling structure by taking the pawl seat as a reference system, and controls the relative position of the driving ratchet wheel and the driven gear set;
the driving ratchet wheel can drive the driven gear set to rotate by taking the pawl seat as a reference system, wherein the transmission scheme is one of the driving ratchet wheel drives the driven gear and the driven gear to rotate, the driving ratchet wheel drives the driven gear to rotate and the driven gear drives the driven gear to rotate;
when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the driving ratchet wheel drives the driven gear set to rotate by taking the pawl seat as a reference system, so that after the tooth tops of the driven two gears and the tooth top of the driven gear are complementary in the normal direction, the pawl moves on the tooth tops of the driven two gears and the tooth top of the driven gear by taking the driving ratchet wheel as the reference system, and the pawl is not in contact with the driving ratchet wheel.
Further, the face-type ratchet adopted by the driving ratchet, the driven gear and the driven gear comprises a face gear and a face gear, the ratchet is one of gears, and the gears in the driven gear set can be ratchets or gears with other tooth types.
Further, the face-type ratchet wheel adopted by the driving ratchet wheel, the driven gear and the driven gear can be a bevel gear, namely a bevel gear arranged on the face, the ratchet wheel is one of gears, and the gear in the driven gear set can be a ratchet wheel or a gear with other tooth types.
Further, the main coupling structure and/or the auxiliary coupling structure may be implemented in the form of one or more structures of a protrusion, a groove, a positioning key, and a positioning groove, that is, the driving ratchet wheel and/or the driven gear set is/are provided with one or more structures of a protrusion, a groove, a positioning key, and a positioning groove, and the driving ratchet wheel drives the driven gear set to rotate through one or more structures of a protrusion, a groove, a positioning key, and a positioning groove provided on the driving ratchet wheel and/or the driven gear set, with the pawl seat as a reference system.
Furthermore, the active ratchet wheel is connected with the pawl seat through shaft hole clearance fit, a sliding bearing, a rolling bearing or a rolling body; the driven gear set is connected with the pawl seat through shaft hole clearance fit, a sliding bearing, a rolling bearing or a rolling body.
Further, a pawl wheel is arranged on the pawl, and when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl moves on the tooth tops of the two driven gears and the tooth top of the one driven gear through the pawl wheel by taking the driving ratchet wheel as a reference system.
Further, the pawl comprises a main pawl and a slave pawl, and the slave pawl can drive the main pawl to be engaged with or disengaged from the driving ratchet wheel; the pawl is contacted with the driven gear set through the slave pawl, and when the multi-ratchet one-way clutch rotates in a free-wheeling direction, the pawl slides on the driven gear set through the slave pawl by taking the driving ratchet as a reference system.
Further, the pawl comprises a main pawl and a slave pawl, a slave pawl wheel is arranged on the slave pawl, and the slave pawl can drive the main pawl to be meshed with or separated from the driving ratchet wheel; the pawl is in contact with the driven gear set through the slave pawl wheel, and when the multi-pawl one-way clutch rotates in an idling direction, the pawl moves on the driven gear set through the slave pawl wheel by taking the driving ratchet wheel as a reference system.
Further, one or more structures of a protrusion, a groove, a positioning key and a positioning groove are arranged on the main pawl and/or the auxiliary pawl, and the auxiliary pawl drives the main pawl to be engaged with or disengaged from the driving ratchet wheel through one or more structures of the protrusion, the groove, the positioning key and the positioning groove arranged on the main pawl and/or the auxiliary pawl.
Further, the pressure providing element is used to ensure that when the multi-end-face ratchet-pawl clutch rotates in the locking direction, the part or component where the pawl is engaged with the active ratchet may be a spring or a leaf spring that works by using the elastic property of the material, or may be a magnet that is formed by combining one or more magnets, and preferably, the pressure providing element is an elastic element.
Further, the pressure providing element may act on one or more of the entire pawl, the pawl on the drive ratchet side, and the pawl on the driven gear set side
The utility model has the beneficial effects that: when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the driving ratchet wheel drives the driven gear set to rotate, and in the process, the pawl cannot impact the tooth groove of the driving ratchet wheel; the driving ratchet wheel is an end face type ratchet wheel, can transmit larger torque, enables the structure of the multi-end face type ratchet wheel and pawl clutch to be more compact, can effectively reduce the size of the multi-end face type ratchet wheel and pawl clutch, and has better adaptability.
Drawings
FIG. 1 is a cross-sectional view of an outboard embodiment of the driven gear set of the present invention including two gears.
Fig. 2 is an exploded view of an outboard embodiment of the driven gear set of the present invention including two gears.
FIG. 3 is a schematic illustration of the driven gear set of the present invention including locking from the outboard embodiment of the two gears.
FIG. 4 is a schematic representation of the driven gear set of the present invention including an idler from the outboard embodiment of the two gears.
FIG. 5 is a schematic diagram of a driven gear set including an outer embodiment with different heights from the tooth tips of the driving ratchet of the gear.
FIG. 6 is a schematic diagram of an embodiment of the driven gear set of the present invention including a driven gear having a driven gear and a drive ratchet with different tooth types.
FIG. 7 is a schematic representation of the driven gear set of the present invention including an outboard embodiment of the modified tooth profile from the drive ratchet tooth profile of the gears.
Fig. 8 is a schematic view of a driven gear set of the present invention including an outboard embodiment with a detent wheel disposed from a detent of a gear.
FIG. 9 is a cross-sectional view of an outboard embodiment of the driven gear set of the present invention including a driven gear and a driven gear.
Fig. 10 is an exploded view of an embodiment of the driven gear set of the present invention including a slave gear and an outboard slave gear.
FIG. 11 is a schematic illustration of the driven gear set of the present invention including locking from both the gear and from an outboard embodiment of a gear.
FIG. 12 is a schematic representation of the driven gear set of the present invention including idler gears from both the gear and from an outboard embodiment of a gear.
FIG. 13 is a schematic view of the driven gear set of the present invention including an outer embodiment of the driven gear set of the slave gear and the slave gear having a different tooth type of the gear and the master ratchet gear.
Fig. 14 is a schematic view of a driven gear set of the present invention including an outboard embodiment with a detent wheel disposed from both the gear and from the detent of one of the gears.
FIG. 15 is a cross-sectional view of an inboard embodiment of the driven gear set of the present invention including two gears.
Fig. 16 is an exploded view of an inner embodiment of the driven gear set of the present invention including a driven pinion.
FIG. 17 is a cross-sectional view of an inboard embodiment of the driven gear set of the present invention including a slave gear and a slave gear.
Fig. 18 is an exploded view of an embodiment of the driven gear set of the present invention including a slave gear and an inner side of a slave gear.
Fig. 19 is a schematic view of a pawl including a master pawl and a slave pawl according to an outer embodiment of the present invention.
Fig. 20 is a schematic view of a ratchet including a master ratchet and a slave ratchet with a slave ratchet wheel provided thereon according to an outer embodiment of the present invention.
Fig. 21 is a schematic view of a pawl including a master pawl and a slave pawl according to an inner embodiment of the present invention.
Fig. 22 is a schematic view of a ratchet including a master ratchet and a slave ratchet with a slave ratchet wheel provided thereon according to an inner embodiment of the present invention.
The symbols in the drawings illustrate that:
1-driving ratchet wheel; 2-a pawl; 3-a pressure providing element; 4-pawl seat;
5-driving ratchet wheel; 6-pawl; 7-a pressure providing element; 8-pawl seat;
10-an active seat; 11-from a gear; 12-slave two gears; 17-a positioning key; 18-a positioning groove; 19-a positioning groove;
22-primary pawl; 23-slave pawl; 24-slave ratchet wheel; 25-a ratchet wheel; 27-a positioning key; 28-positioning grooves;
40-pawl sleeve; 42-driven gear bearing ring; 43-rolling bodies; 44-a bearing; 45-clamp spring; 46-a clamp spring;
50-an active seat; 51-from a gear; 52-slave gear; 57-alignment key; 58-positioning groove; 59-positioning grooves;
62-a primary pawl; 63-slave pawl; 64-slave pawl wheel; 65-a ratchet wheel; 67-an alignment key; 68-positioning grooves;
80-pawl sleeve; 82-driven gear bearing ring; 83-rolling bodies; 84-a bearing; 85-a clamp spring; 86-clamp spring.
Detailed Description
Various embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the driven gear set of the multi-end-face ratchet-pawl clutch proposed by the present invention includes an outer embodiment of two gears, mainly including a driving ratchet 1, a pawl 2, a pressure providing element 3, a pawl sleeve 40, a pawl seat 4, a driving seat 10, and a driven gear set;
one or more pawls 2 are arranged on the pawl sleeve 40, and the pawls 2 can move relative to the pawl sleeve 40;
the pawl sleeve 40 is arranged on the pawl seat 4, and preferably, the pawl sleeve 40 is fixed on the pawl seat 4;
the pressure providing element 3 is connected with the pawl 2; the number of the pressure providing elements 3 is one or more;
the driving ratchet 1 is arranged on the driving seat 10, and preferably, the driving ratchet 1 is fixed on the driving seat 10;
the driven gear set includes a slave gear 12;
the driving seat 10 and the driven gear 12 are both connected with the pawl seat 4, can rotate relative to the pawl seat 4, and can be connected with the pawl seat 4 through shaft hole clearance fit, a sliding bearing, a rolling bearing or a rolling body; preferably, the main holder 10 is connected to the pawl holder 4 through a bearing 44, and is connected to the pawl holder 4 through a rolling body 43 from the gear 12; preferably, a driven gear bearing ring 42 is further arranged between the rolling body 43 and the pawl seat 4;
the driving seat 10 is used as an inner ring or a shaft of the one-way clutch, and the pawl seat 4 is used as an outer ring or a shell of the one-way clutch;
preferably, the driving ratchet 1 and the driven ratchet 12 are both end-face type ratchets, i.e. ratchets with ratchets arranged on the same end face;
preferably, the main coupling structure arranged on the driving ratchet 1 is a positioning key 17, the secondary coupling structure arranged on the secondary gear 12 is a positioning groove 19, the pawl seat 4 is taken as a reference system, and the driving ratchet 1 controls the relative position of the driving ratchet 1 and the secondary gear 12 through the cooperation of the positioning key 17 and the positioning groove 19 and drives the driven gear set to rotate;
as shown in fig. 1 and 3, when the multi-end-face ratchet-pawl clutch rotates in the locking direction, the driving ratchet 1 drives the driven gear 12 to rotate by taking the pawl seat 4 as a reference system, and the pawl 2 can be meshed with the driving ratchet 1 after the tooth grooves of the driving ratchet 1 and the driven gear 12 are completely or partially overlapped.
As shown in fig. 1 and 4, when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl seat 4 is used as a reference system, the driving ratchet 1 rotates a certain angle relative to the driven ratchet 12, the driving ratchet 1 drives the driven ratchet 12 to rotate, the driving ratchet 1 is used as the reference system, and when the pawl 2 is before leaving the end of the tooth crest of the driving ratchet 1, the pawl 2 reaches the tooth crest of the driven ratchet 12, that is, the pawl 2 continuously moves on the tooth crest of the driving ratchet 1 and the tooth crest of the driven ratchet 12, so as to prevent the pawl 2 from falling into the tooth trough of the driving ratchet 1, and prevent the pawl 2 from impacting the driving ratchet 1.
As shown in fig. 5, the driven gear set of the multiple-end-face ratchet-pawl clutch according to the present invention includes an outer embodiment in which the tooth tops of the driving ratchet wheels of the two gears are divided into two heights, and the outer side is relatively protruded, and when the multiple-end-face ratchet-pawl clutch rotates in the idling direction, the tooth tops of the pawls 2 on the outer side of the driving ratchet wheels 1 and the tooth tops of the driven gear wheels 12 move with reference to the driving ratchet wheels, so that the pawls 2 do not contact with the inner side of the driving ratchet wheels 1 in the process.
As shown in fig. 6, the driven gear set of the multiple-end-face ratchet-pawl clutch proposed by the present invention includes an outer embodiment in which the tooth shapes of the driven gear set of the slave gear and the master ratchet are different, and in this embodiment, the tooth shapes of the slave gear 12 and the master ratchet 1 are different, and since the slave gear 12 is located at the outer side, the arc length of the tooth top of the slave gear 12 can be adjusted accordingly, and preferably, the arc length of the tooth top can be increased.
As shown in fig. 7, the driven gear set of the multiple-end-face ratchet-pawl clutch proposed by the present invention includes an outer embodiment in which the tooth profile of the driving ratchet of the two gears is changed, in which the tooth profile of the driving ratchet 1 is changed, and the tooth profiles of the inner side and the outer side of the driving ratchet 1 are different, and since the radius of the outer side is larger, the arc length of the tooth tip can be adjusted accordingly, preferably, the arc length of the tooth tip of the outer tooth profile can be increased, and preferably, the inner side of the driving ratchet 1 is a crown wheel and the outer side is an end face gear.
As shown in fig. 8, the driven gear set of the multiple-end-face ratchet-pawl clutch proposed according to the present invention includes an outer embodiment in which a pawl wheel is provided from a pawl of a gear, and a pawl wheel 25 is provided on a pawl 2 in this embodiment; when the multi-end-face ratchet-pawl clutch rotates along an idling direction, the pawl 2 moves on the tooth tops of the driving ratchet 1 and the driven gear 12 through the pawl wheel 25 by taking the driving ratchet as a reference system; preferably, the inside and outside of the driving ratchet 1 have different tooth forms, and the radius of the outside is larger, so that the arc length of the tooth top can be adjusted correspondingly, and preferably, the arc length of the tooth top of the outside tooth form can be increased, preferably, the inside of the driving ratchet 1 is a crown wheel, the outside is a face gear, and preferably, the secondary gear 12 is a face gear.
Fig. 9 to 12 show that the driven gear set of the multi-end-face ratchet-pawl clutch proposed according to the present invention includes an outer embodiment of a driven gear and a driven gear, mainly including a driving ratchet 1, a pawl 2, a pressure providing member 3, a pawl housing 40, a pawl housing 4, a driving housing 10, a driven gear set;
one or more pawls 2 are arranged on the pawl sleeve 40, and the pawls 2 can move relative to the pawl sleeve 40;
the pawl sleeve 40 is arranged on the pawl seat 4, and preferably, the pawl sleeve 40 is fixed on the pawl seat 4;
the pressure providing element 3 is connected with the pawl 2; the number of the pressure providing elements 3 is one or more;
the driving ratchet 1 is arranged on the driving seat 10, and preferably, the driving ratchet 1 is fixed on the driving seat 10;
the driven gear set comprises a slave gear 12 and a slave gear 11;
the driving seat 10, the driven gear 12 and the driven gear 11 are all connected with the pawl seat 4, can rotate relative to the pawl seat 4, and can be connected with the pawl seat 4 through shaft hole clearance fit, sliding bearings, rolling bearings or rolling bodies; preferably, the main holder 10 is connected to the pawl holder 4 through a bearing 44, and is connected to the pawl holder 4 through a rolling body 43 from the gear 12; a gear 11 is connected with the pawl seat 4 through a rolling body 43; preferably, a driven gear bearing ring 42 is further arranged between the rolling body 43 and the pawl seat 4;
the driving seat 10 is used as an inner ring or a shaft of the one-way clutch, and the pawl seat 4 is used as an outer ring or a shell of the one-way clutch;
preferably, the driving ratchet 1, the driven gear 11 and the driven gear 12 are all end face type ratchets, namely ratchets with ratchets arranged on the same end face;
preferably, the main coupling structure arranged on the driving ratchet 1 is a positioning key 17, the secondary coupling structure arranged on the secondary gear 12 is a positioning groove 19, the secondary coupling structure arranged on the primary gear 11 is a positioning groove 18, and the pawl seat 4 is taken as a reference system, so that the driving ratchet 1 is matched with the positioning groove 18 and the positioning groove 19 through the positioning key 17 to control the relative positions of the driving ratchet 1, the secondary gear 12 and the primary gear 11 and drive the driven gear set to rotate;
as shown in fig. 9 and 11, when the multiple-end-face ratchet-pawl clutch rotates in the locking direction, the driving ratchet 1 drives the driven gear 12 and the driven gear 11 to rotate with reference to the pawl seat 4, and after the tooth grooves of the driven gear 12 and the tooth grooves of the driven gear 11 are completely or partially overlapped in the normal direction, the pawl 2 can be engaged with the driving ratchet 1 after the pawl 2 can enter the tooth grooves of the driven gear 12 and the driven gear 11.
As shown in fig. 9 and 12, when the multiple-end-face ratchet-pawl clutch rotates in the idling direction, the driving ratchet 1 rotates the driven gear 12 and the driven gear 11 with the pawl holder 4 as a reference system, so that the tooth tips of the driven gear 12 and the tooth tips of the driven gear 11 are complementary in the normal direction, and then the pawls 2 move on the tooth tips of the driven gear 12 and the tooth tips of the driven gear 11 with the driving ratchet 1 as a reference system, preferably, the pawls 2 do not contact with the driving ratchet 1.
As shown in fig. 13, the driven gear set of the multiple-end-face ratchet-pawl clutch according to the present invention includes an outer embodiment in which the tooth shapes of the driven gear and the driving ratchet are different from each other in the driven gear set of the driven gear and the driven gear, in which the tooth shapes of the driven gear and the driving ratchet are different from each other in the driven gear 12 and the driving ratchet 1, and in which the tooth shapes of the driven gear 11 and the driving ratchet 1 are different from each other, since the arc length of the tooth tips of the driven gear 12 can be adjusted accordingly from the outer side of the driving ratchet 1 in which the gear 12 is located, it is preferable that the arc length of the tooth tips of the driven gear 12 can be increased, and since the driven gear 11 is located from the outer side of the driving ratchet 1 in which the gear 11 is located, it is preferable that the arc length of the tooth tips can be increased, it is preferable that the driving ratchet 1 is a crown gear or an end face gear, and both the driven gear 11 and the driven gear 12 are end gears.
As shown in fig. 14, the driven gear set of the multiple-ended ratchet-pawl clutch proposed according to the present invention includes an outer embodiment in which a pawl wheel is provided from a gear and from a pawl of a gear, and a pawl wheel 25 is provided on a pawl 2 in this embodiment; when the multi-end-face ratchet-pawl clutch rotates along an idling direction, the active ratchet is taken as a reference system, the pawl 2 moves on the tooth tops of the slave gear 11 and the slave gear 12 through the pawl wheel 25, and the pawl 2 does not contact with the active ratchet 1 in the process; preferably, the tooth profile of the gear 12 is different from that of the driving ratchet 1, the tooth profile of the gear 11 is different from that of the driving ratchet 1, the arc length of the tooth top of the gear 12 can be correspondingly adjusted and preferably increased because the gear 12 is positioned at the outer side of the driving ratchet 1, the arc length of the tooth top of the gear 11 can be correspondingly adjusted and preferably increased because the gear 11 is positioned at the outer side of the driving ratchet 1, the arc length of the tooth top of the gear 11 can be correspondingly adjusted and preferably increased, the driving ratchet 1 is a crown gear or a face gear, and the gear 11 and the gear 12 are face gears.
Fig. 15 to 16 show that the driven gear set of the multi-end-face ratchet-pawl clutch proposed by the present invention includes an inner embodiment of the driven two gears, mainly including the driving ratchet 5, the pawl 6, the pressure providing element 7, the pawl seat 8, the driving seat 50, the driven gear set;
one or more pawls 6 are arranged on the pawl sleeve 80, and the pawls 6 can move relative to the pawl sleeve 80;
the pawl sleeve 80 is arranged on the pawl seat 8, and preferably, the pawl sleeve 80 is fixed on the pawl seat 8;
the pressure providing element 7 is connected with the pawl 6; the number of the pressure providing elements 7 is one or more;
the driving ratchet 5 is arranged on the driving seat 50, and preferably, the driving ratchet 5 is fixed on the driving seat 50;
the driven gear set includes a slave gear 52;
the driving seat 50 and the driven gear 52 are both connected with the pawl seat 8, can rotate relative to the pawl seat 8, and can be connected with the pawl seat 8 through shaft hole clearance fit, sliding bearings, rolling bearings or rolling bodies; preferably, the driving seat 50 is connected to the pawl seat 8 through a bearing 84, and the driven gear 52 is connected to the pawl seat 8 through a rolling body 83; preferably, a driven gear bearing ring 82 is further arranged between the rolling body 83 and the pawl seat 8;
the driving seat 50 is used as an inner ring or a shaft of the one-way clutch, and the pawl seat 8 is used as an outer ring or a shell of the one-way clutch;
preferably, the driving ratchet 5 and the driven ratchet 52 are both end-face type ratchets, i.e. ratchets with the ratchets arranged on the same end face;
preferably, the main coupling structure arranged on the driving ratchet 5 is a positioning key 57, the secondary coupling structure arranged on the secondary gear 52 is a positioning groove 59, the pawl seat 8 is taken as a reference system, and the driving ratchet 5 controls the relative position of the driving ratchet 5 and the secondary gear 52 by the cooperation of the positioning key 57 and the positioning groove 59 and drives the driven gear set to rotate;
when the multi-end-face ratchet-pawl clutch rotates along the locking direction, the driving ratchet 5 drives the driven gear 52 to rotate by taking the pawl seat 8 as a reference system, and after the tooth grooves of the driving ratchet 5 and the driven gear 52 are completely or partially overlapped, the pawl 6 can be meshed with the driving ratchet 5 after the pawl 6 can enter the tooth grooves of the driving ratchet 5 and the driven gear 52;
when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl seat 8 is used as a reference system, the driving ratchet 5 rotates for a certain angle relative to the driven gear 52, the driving ratchet 5 drives the driven gear 52 to rotate, and the driving ratchet 5 is used as the reference system, when the pawl 6 is before leaving the tail end of the tooth crest of the driving ratchet 5, the pawl 6 reaches the tooth crest of the driven gear 52, namely the pawl 6 continuously moves on the tooth crest of the driving ratchet 5 and the tooth crest of the driven gear 52, so that the pawl 6 is prevented from falling into the tooth groove of the driving ratchet 5, and the pawl 6 is prevented from impacting the driving ratchet 5.
By simply changing the driven gear set of the multi-face ratchet-pawl clutch proposed according to the present invention as described above to include the outer embodiments of different heights divided from the tooth tips of the driving ratchet wheels of the two gears, it is derived that the driven gear set of the multi-face ratchet-pawl clutch proposed according to the present invention includes the inner embodiments of different heights divided from the tooth tips of the driving ratchet wheels of the two gears.
By simply changing the driven gear set of the multi-face ratchet-pawl clutch proposed according to the present invention as described above to include an outer embodiment in which the tooth types of the driven gear set of the two gears are different from those of the driving ratchet, it is derived that the driven gear set of the multi-face ratchet-pawl clutch proposed according to the present invention includes an inner embodiment in which the tooth types of the driven gear set of the two gears are different from those of the driving ratchet.
By simply changing the driven gear set of the multi-face ratchet-pawl clutch proposed according to the utility model as described above to include an outer embodiment of changing the tooth profile from the driving ratchet tooth profile of the two gears, it follows that the driven gear set of the multi-face ratchet-pawl clutch proposed according to the utility model includes an inner embodiment of changing the tooth profile from the driving ratchet tooth profile of the two gears.
The driven gear set of the multi-face ratchet-pawl clutch proposed according to the present invention described above includes an outer embodiment in which a pawl wheel is provided from a pawl of a gear, and includes an inner embodiment in which a pawl wheel is provided from a pawl of a gear, by simple change.
Fig. 17 to 18 show that the driven gear set of the multi-end ratchet-pawl clutch proposed according to the present invention includes an inner embodiment of a slave gear and a slave gear, mainly including a master ratchet 5, a pawl 6, a pressure providing member 7, a pawl seat 8, a master seat 50, a driven gear set;
one or more pawls 6 are arranged on the pawl sleeve 80, and the pawls 6 can move relative to the pawl sleeve 80;
the pawl sleeve 80 is arranged on the pawl seat 8, and preferably, the pawl sleeve 80 is fixed on the pawl seat 8;
the pressure providing element 7 is connected with the pawl 6; the number of the pressure providing elements 7 is one or more;
the driving ratchet 5 is arranged on the driving seat 50, and preferably, the driving ratchet 5 is fixed on the driving seat 50;
the driven gear set comprises a slave gear 52 and a slave gear 51;
the driving seat 50, the driven gear 52 and the driven gear 51 are all connected with the pawl seat 8, can rotate relative to the pawl seat 8, and can be connected with the pawl seat 8 through shaft hole clearance fit, sliding bearings, rolling bearings or rolling bodies; preferably, the driving seat 50 is connected to the pawl seat 8 through a bearing 84, and the driven gear 52 is connected to the pawl seat 8 through a rolling body 83; a gear 51 is connected with the pawl seat 8 through a rolling body 83; preferably, a driven gear bearing ring 82 is further arranged between the rolling body 83 and the pawl seat 8;
the driving seat 50 is used as an inner ring or a shaft of the one-way clutch, and the pawl seat 8 is used as an outer ring or a shell of the one-way clutch;
preferably, the driving ratchet 5, the driven gear 51 and the driven gear 52 are all end-face type ratchets, i.e. ratchets with ratchets arranged on the same end face;
preferably, the main coupling structure arranged on the driving ratchet wheel 5 is a positioning key 57, the secondary coupling structure arranged on the secondary gear 52 is a positioning groove 59, the secondary coupling structure arranged on the primary gear 51 is a positioning groove 58, and the pawl seat 8 is taken as a reference system, so that the driving ratchet wheel 5 is matched with the positioning groove 58 and the positioning groove 59 through the positioning key 57 to control the relative positions of the driving ratchet wheel 5, the secondary gear 52 and the primary gear 51 and drive the driven gear set to rotate;
when the multi-end-face ratchet-pawl clutch rotates in the locking direction, the driving ratchet wheel 5 drives the driven gear 52 and the driven gear 51 to rotate by taking the pawl seat 8 as a reference system, after the tooth grooves of the driven gear 52 and the tooth grooves of the driven gear 51 are completely or partially overlapped in the normal direction, and after the pawl 6 can enter the tooth grooves of the driven gear 52 and the driven gear 51, the pawl 6 can be meshed with the driving ratchet wheel 5;
when the multi-end-face ratchet-pawl clutch rotates in the idling direction, the driving ratchet 5 drives the driven gear 52 and the driven gear 51 to rotate by taking the pawl seat 8 as a reference system, so that the tooth tops of the driven gear 52 and the tooth tops of the driven gear 51 are complementary in the normal direction, and then the pawl 6 moves on the tooth tops of the driven gear 52 and the tooth tops of the driven gear 51 by taking the driving ratchet 5 as the reference system, preferably, the pawl 6 does not contact with the driving ratchet 5 at this time.
It is derived from the above-described driven gear set of the multiple-face ratchet-pawl clutch according to the utility model that, by simply changing the outer embodiments in which the tooth profile of the driven gear and the tooth profile of the driving ratchet differ from each other in the driven gear set of the driven gear and the driven gear set of the driven gear, the driven gear set of the multiple-face ratchet-pawl clutch according to the utility model comprises the inner embodiments in which the tooth profile of the driven gear and the tooth profile of the driving ratchet differ from each other in the driven gear and the driven gear set of the driven gear.
By simply changing the driven gear set of the multiple-facet ratchet-pawl clutch proposed according to the utility model from the above-described embodiment in which the driven gear set comprises a secondary gear and from the outer embodiment in which the pawl wheel is arranged on the pawl of a gear, it follows that the driven gear set of the multiple-facet ratchet-pawl clutch proposed according to the utility model comprises an inner embodiment in which the pawl wheel is arranged from the secondary gear and from the pawl of a gear.
Fig. 19 is a schematic view of a pawl comprising a master pawl and a slave pawl of an inner-side embodiment of a multiple-end-face ratchet-pawl clutch according to the present invention, the pawl in the embodiment employing a primary pawl and a slave pawl comprising a master pawl 22 and a slave pawl 23, the slave pawl 23 being capable of bringing the master pawl 22 into and out of engagement with the master ratchet; the pawl is contacted with the driven gear set through the slave pawl 23, and when the multi-ratchet one-way clutch rotates in the idling direction, the pawl slides on the driven gear set through the slave pawl 23 by taking the driving ratchet as a reference system;
the auxiliary pawl 23 can drive the main pawl 22 to be engaged with or disengaged from the driving ratchet wheel by arranging one or more structures of a bulge, a groove, a positioning key and a positioning groove on the main pawl 22 and/or the auxiliary pawl 23; preferably, positioning key 27 is provided on primary pawl 22, positioning slot 28 is provided on secondary pawl 23, and secondary pawl 23 carries primary pawl 22 through positioning slot 28 and positioning key 27.
Fig. 20 is a schematic view of a pawl of an inner-side embodiment of a multi-end-face ratchet-pawl clutch according to the present invention, wherein the pawl comprises a main pawl and a slave pawl, and a slave pawl wheel is arranged on the slave pawl, the pawl of the embodiment that the pawl comprises the main pawl and the slave pawl, and the slave pawl wheel is arranged on the slave pawl comprises a main pawl 22 and a slave pawl 23, a slave pawl wheel 24 is arranged on the slave pawl 23, and the slave pawl 23 can drive the main pawl 22 to be engaged with or disengaged from the main ratchet wheel; the pawl is contacted with the driven gear set through a secondary pawl wheel 24, when the multi-ratchet one-way clutch rotates in an idling direction, the pawl moves on the driven gear set through the secondary pawl wheel 24 by taking the driving ratchet as a reference system;
the auxiliary pawl 23 can drive the main pawl 22 to be engaged with or disengaged from the driving ratchet wheel by arranging one or more structures of a bulge, a groove, a positioning key and a positioning groove on the main pawl 22 and/or the auxiliary pawl 23; preferably, positioning key 27 is provided on primary pawl 22, positioning slot 28 is provided on secondary pawl 23, and secondary pawl 23 carries primary pawl 22 through positioning slot 28 and positioning key 27.
Fig. 21 is a schematic view of a pawl comprising a master pawl and a slave pawl of an outer embodiment of a multiple-end-face ratchet-pawl clutch according to the present invention, wherein the pawl in the embodiment employing the pawl comprising the master pawl and the slave pawl comprises a master pawl 62 and a slave pawl 63, and the slave pawl 63 can bring the master pawl 62 into and out of engagement with the master ratchet; the pawl is contacted with the driven gear set through a slave pawl 63, and when the multi-ratchet one-way clutch rotates in an idling direction, the pawl slides on the driven gear set through the slave pawl 63 by taking the driving ratchet as a reference system;
the auxiliary pawl 63 can drive the main pawl 62 to be engaged with or disengaged from the driving ratchet wheel by arranging one or more structures of a bulge, a groove, a positioning key and a positioning groove on the main pawl 62 and/or the auxiliary pawl 63; preferably, the primary pawl 62 is provided with a positioning key 67, the secondary pawl 63 is provided with a positioning slot 68, and the secondary pawl 63 drives the primary pawl 62 through the positioning slot 68 and the positioning key 67.
Fig. 22 is a schematic view of a pawl of an inner-side embodiment of a multi-end-face ratchet-pawl clutch according to the present invention, wherein the pawl comprises a main pawl and a slave pawl, and a slave pawl wheel is arranged on the slave pawl, the pawl of the embodiment that the pawl comprises the main pawl and the slave pawl, and the slave pawl wheel is arranged on the slave pawl comprises a main pawl 62 and a slave pawl 63, a slave pawl wheel 64 is arranged on the slave pawl 63, and the slave pawl 63 can drive the main pawl 62 to be engaged with or disengaged from the main ratchet wheel; the pawl is contacted with the driven gear set through the slave pawl wheel 64, when the multi-ratchet one-way clutch rotates in an idling direction, the pawl moves on the driven gear set through the slave pawl wheel 64 by taking the driving ratchet as a reference system;
the auxiliary pawl 63 can drive the main pawl 62 to be engaged with or disengaged from the driving ratchet wheel by arranging one or more structures of a bulge, a groove, a positioning key and a positioning groove on the main pawl 62 and/or the auxiliary pawl 63; preferably, the primary pawl 62 is provided with a positioning key 67, the secondary pawl 63 is provided with a positioning slot 68, and the secondary pawl 63 drives the primary pawl 62 through the positioning slot 68 and the positioning key 67.
In each of the above embodiments, the pressure providing element may act at one or more of the entire pawl, the pawl on the side of the driving ratchet, and the pawl on the side of the driven gear set; the pressure providing element may be a coil spring, leaf spring, coil spring, pressure spring tube, tension spring, bellows, diaphragm spring, wire spring or a profile spring, and one integrally formed pressure providing element may act on one or more of the pawls, and preferably, one pressure providing element is connected to each pawl.
It is easy to conclude that new embodiments can be formed by recombining the implementations in the different embodiments above.
In the embodiment, all the directional indicators (such as up, down, left, right, front, and rear … …) are used only to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
The above description is only for the embodiments of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention and the contents of the appended drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. A multi-end-face type ratchet-pawl clutch comprises a driving ratchet, a pawl, a pressure providing element, a pawl sleeve, a pawl seat, a driving seat and a driven gear set;
one or more pawls are arranged on the pawl sleeve;
the pawl is sleeved on the pawl seat;
the pressure providing element is connected with the pawl; the number of the pressure providing elements is one or more;
the driving ratchet wheel is arranged on the driving seat;
the main seat is connected with the pawl seat, and the main seat can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set can be arranged on the outer side or the inner side of the driving ratchet wheel; when the driven gear set is arranged on the outer side of the driving ratchet wheel, the reference circle diameter of the driven gear is larger than that of the driving ratchet wheel, the driving seat is used as an inner ring or a shaft of the one-way clutch, and the pawl seat is used as an outer ring or a shell of the one-way clutch; when the driven gear set is arranged on the inner side of the driving ratchet wheel, the reference circle diameter of the driven gear is smaller than that of the driving ratchet wheel, the driving seat is used as an outer ring or a shell of the one-way clutch, and the pawl seat is used as an inner ring or a shaft of the one-way clutch;
the driving ratchet wheel is provided with a driving coupling structure, and the driven gear set is provided with a driven coupling structure; the slave coupling structure comprises a slave two-coupling structure arranged on the slave two gears; the driving ratchet wheel drives the driven gear set to rotate through the main coupling structure and the auxiliary coupling structure by taking the pawl seat as a reference system, and controls the relative position of the driving ratchet wheel and the driven gear set;
when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the pawl seat is used as a reference system, the driving ratchet wheel firstly rotates for a certain angle relative to the driven gear, the driving ratchet wheel then drives the driven gear to rotate, and the driving ratchet wheel is used as the reference system.
2. The multiple end face ratchet-pawl clutch according to claim 1, wherein said driving ratchet and said driven gears are both end face ratchets.
3. The multiple-end-face ratchet-pawl clutch according to claim 1 or 2, wherein a pawl wheel is provided on the pawl, and when the multiple-end-face ratchet-pawl clutch rotates in an idling direction, the pawl moves on the tooth tips of the driving ratchet wheel and the tooth tips of the driven gear wheel through the pawl wheel with reference to the driving ratchet wheel.
4. A multiple end face ratchet-pawl clutch according to claim 1 or 2, wherein the tooth tips of the driving ratchet are of different heights.
5. A multi-end-face type ratchet-pawl clutch comprises a driving ratchet, a pawl, a pressure providing element, a pawl sleeve, a pawl seat, a driving seat and a driven gear set;
one or more pawls are arranged on the pawl sleeve, and the pawls can move relative to the pawl sleeve;
the pawl is sleeved on the pawl seat;
the pressure providing element is connected with the pawl; the number of the pressure providing elements is one or more;
the driving ratchet wheel is arranged on the driving seat;
the main seat is connected with the pawl seat, and the main seat can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set comprises a driven gear; the slave gear is connected with the pawl seat, and the slave gear can rotate relative to the pawl seat;
the driven gear set can be arranged on the outer side or the inner side of the driving ratchet wheel; when the driven gear set is arranged on the outer side of the driving ratchet wheel, the reference circle diameter of the driven gear is larger than that of the driving ratchet wheel, the driving seat is used as an inner ring or a shaft of the one-way clutch, and the pawl seat is used as an outer ring or a shell of the one-way clutch; when the driven gear set is arranged on the inner side of the driving ratchet wheel, the reference circle diameter of the driven gear is smaller than that of the driving ratchet wheel, the driving seat is used as an outer ring or a shell of the one-way clutch, and the pawl seat is used as an inner ring or a shaft of the one-way clutch;
the driving ratchet wheel is provided with a driving coupling structure, and the driven gear set is provided with a driven coupling structure; the slave coupling structure comprises a slave two-coupling structure arranged on the slave two gears; the slave coupling structure comprises a slave coupling structure arranged on the slave gear; the driving ratchet wheel drives the driven gear set to rotate through the main coupling structure and the auxiliary coupling structure by taking the pawl seat as a reference system, and controls the relative position of the driving ratchet wheel and the driven gear set;
when the multi-end-face ratchet-pawl clutch rotates in an idling direction, the driving ratchet wheel drives the driven gear set to rotate by taking the pawl seat as a reference system, so that after the tooth tops of the driven two gears and the tooth top of the driven gear are complementary in the normal direction, the pawl moves on the tooth tops of the driven two gears and the tooth top of the driven gear by taking the driving ratchet wheel as the reference system, and the pawl is not in contact with the driving ratchet wheel.
6. The multiple end face ratchet pawl clutch according to claim 5, wherein said drive ratchet and said pawl are both end face ratchets.
7. The multiple-end-face ratchet-pawl clutch according to claim 5 or 6, wherein a pawl wheel is provided on the pawl, and when the multiple-end-face ratchet-pawl clutch rotates in an idling direction, the pawl moves on the tooth tops of the two slave gears and the tooth top of the one slave gear by the pawl wheel with reference to the active ratchet wheel.
8. The multiple end face ratchet-pawl clutch according to claim 5 or 6, wherein said pawl comprises a master pawl and a slave pawl, said slave pawl being capable of bringing said master pawl into and out of engagement with said master ratchet; the pawl is in contact with the driven gear set through the slave pawl, and when the multi-end-face ratchet-pawl clutch rotates in a free-wheeling direction, the pawl moves on the driven gear set through the slave pawl by taking the master ratchet as a reference system.
9. The multi-end face type ratchet-pawl clutch according to claim 5 or 6, wherein the pawl comprises a main pawl and a slave pawl, the slave pawl is provided with a slave pawl wheel, and the slave pawl can drive the main pawl to be engaged with or disengaged from the main ratchet wheel; the pawl is in contact with the driven gear set through the slave pawl wheel, and when the multi-end-face type ratchet-pawl clutch rotates in an idling direction, the pawl moves on the driven gear set through the slave pawl wheel by taking the driving ratchet wheel as a reference system.
CN202121065325.XU 2021-05-18 2021-05-18 Multi-end-face type ratchet-pawl clutch Active CN215890871U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121065325.XU CN215890871U (en) 2021-05-18 2021-05-18 Multi-end-face type ratchet-pawl clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121065325.XU CN215890871U (en) 2021-05-18 2021-05-18 Multi-end-face type ratchet-pawl clutch

Publications (1)

Publication Number Publication Date
CN215890871U true CN215890871U (en) 2022-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121065325.XU Active CN215890871U (en) 2021-05-18 2021-05-18 Multi-end-face type ratchet-pawl clutch

Country Status (1)

Country Link
CN (1) CN215890871U (en)

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