CN212079973U - Capstan ratchet clutch - Google Patents
Capstan ratchet clutch Download PDFInfo
- Publication number
- CN212079973U CN212079973U CN202020615100.6U CN202020615100U CN212079973U CN 212079973 U CN212079973 U CN 212079973U CN 202020615100 U CN202020615100 U CN 202020615100U CN 212079973 U CN212079973 U CN 212079973U
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- China
- Prior art keywords
- pawl
- ratchet
- ratchet wheel
- ring
- flange seat
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- Mechanical Operated Clutches (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a winch ratchet clutch, which comprises a ratchet wheel arranged on a driving shaft of equipment, a pawl meshed with the ratchet wheel, a pawl fastening ring assembly connected with the pawl and a pawl flange seat assembly connected with the pawl fastening ring assembly; a pawl fixing shaft is fixed on the end face of the pawl flange seat assembly and connected with a pawl, a pawl spring penetrates through a spring hole of the pawl, and one end of the pawl spring abuts against the vertical wall face of the pawl flange seat assembly; the ratchet wheel is connected with a ratchet wheel baffle plate, and the ratchet wheel baffle plate is connected with the ratchet wheel through a cylindrical pin; the pawl and the ratchet wheel are both arranged in a bevel gear structure. The utility model adopts the above structure capstan winch ratchet clutch has solved traditional ratchet, pawl structure and can not realize two-way driven defect, provides torque transmission's solution for compact, big moment of torsion, little space application equipment.
Description
Technical Field
The utility model belongs to the technical field of driving medium machine clutch technique and specifically relates to a capstan winch ratchet clutch is related to.
Background
Ratchet clutches may be used to transmit torque in a variety of machines such as, but not limited to, automobiles, trucks, bicycles, gas turbine engines, appliances, and electronic devices. For example, a ratchet clutch may be selectively engaged and disengaged to transfer torque between a driving member (e.g., an engine crankshaft) and a driven member (e.g., a drive shaft) at a particular gear ratio. The ratchet clutch may comprise two members configured to rotate independently of each other when the ratchet clutch is disengaged; and a pawl mechanically engaging a notch of one of the members to couple or "lock" rotation of the two members when the ratchet clutch is engaged. Generally, the ratchet clutch adopts a wedge-shaped pawl to push and pull the tooth surface of the ratchet wheel in the radial direction to realize one-way torque transmission, and the requirements of equipment needing positive and negative two-way motion cannot be met. In view of the above, there is a need for a winch ratchet clutch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a capstan winch ratchet clutch has solved traditional ratchet, pawl structure and can not realize two-way driven defect, provides moment driven solution for compact, big moment of torsion, little space application equipment.
In order to achieve the purpose, the utility model provides a winch ratchet clutch, which comprises a ratchet wheel arranged on a driving shaft of equipment, a pawl meshed with the ratchet wheel, a pawl fastening ring assembly connected with the pawl and a pawl flange seat assembly connected with the pawl fastening ring assembly;
a pawl fixing shaft is fixed on the end face of the pawl flange seat assembly and connected with the pawl, a pawl spring penetrates through a spring hole of the pawl, and one end of the pawl spring abuts against the vertical wall face of the pawl flange seat assembly;
the ratchet wheel is connected with a ratchet wheel baffle plate, and the ratchet wheel baffle plate is connected with the ratchet wheel through a cylindrical pin;
the pawl and the ratchet wheel are both in a bevel gear structure.
Preferably, the pawl clamping ring assembly comprises a pawl clamping ring, bearing rings arranged on two axial sides of the pawl clamping ring and a cylindrical positioning pin connected with the bearing rings, a deep groove bearing and a positioning ring are arranged on the outer side of the cylindrical positioning pin, the positioning ring and the deep groove bearing are sleeved on the outer side of the cylindrical positioning pin in parallel, the deep groove bearing is tightly attached to the pawl, two ends of the deep groove bearing are penetrated in a fixing hole of the bearing rings, and a guard ring is arranged in a counter bore of the pawl clamping ring.
Preferably, the radial surface of the pawl abuts against the deep groove bearing.
Preferably, the axial both sides of the ratchet clamping ring are connected with the supporting ring through screws.
Preferably, the pawl flange seat assembly comprises a pawl flange seat and a sliding shaft sleeve, the sliding shaft sleeve is connected with the pawl flange seat, and the pawl flange seat is connected with the pawl fixing shaft and the pawl. Preferably, the ratchet baffle is fixedly connected with the ratchet through a screw.
Therefore, the utility model adopts the above structure the capstan winch ratchet clutch has solved traditional ratchet, pawl structure and can not realize two-way driven defect, provides moment driven solution for compact, big moment of torsion, little space application equipment.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of a capstan ratchet clutch according to an embodiment of the present invention showing a closed state of the clutch;
FIG. 2 is a schematic diagram of a capstan ratchet clutch according to an embodiment of the present invention showing a disengaged state of the clutch;
FIG. 3 is a schematic view of an embodiment of a capstan ratchet clutch according to the present invention in the direction A-A;
FIG. 4 is a schematic view of a capstan ratchet clutch according to an embodiment of the present invention, shown rotated in direction B-B;
FIG. 5 is an enlarged view of a portion of a winch ratchet clutch according to an embodiment of the present invention at location I;
FIG. 6 is an enlarged view of a portion of a winch ratchet clutch according to the present invention at location II;
FIG. 7 is an enlarged view of a portion of an embodiment of a capstan ratchet clutch according to the present invention at position III;
fig. 8 is an external view of a clutch according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Examples
Fig. 1 is the utility model relates to a clutch closed state schematic diagram of capstan winch ratchet clutch embodiment, fig. 2 is the utility model relates to a clutch disengagement state schematic diagram of capstan winch ratchet clutch embodiment, fig. 3 is the utility model relates to a A-A of capstan winch ratchet clutch embodiment is to the schematic diagram, fig. 4 is the utility model relates to a B-B of capstan winch ratchet clutch embodiment is to rotatory schematic diagram, fig. 5 is the utility model relates to a local enlarger of I department of capstan winch ratchet clutch embodiment, fig. 6 is the utility model relates to a local enlarger of II departments of capstan winch ratchet clutch embodiment, fig. 7 is the utility model relates to a local enlarger of III departments of capstan winch ratchet clutch embodiment, fig. 8 is the utility model relates to a clutch appearance diagram of capstan winch ratchet clutch embodiment. As shown in the figure, the utility model provides a winch ratchet clutch, which comprises a ratchet wheel 2 arranged on a driving shaft 1 of the device, a pawl 3 meshed with the ratchet wheel 2, a pawl fastening ring assembly 4 connected with the pawl 3 and a pawl flange seat assembly 5 connected with the pawl fastening ring assembly 4; a pawl fixing shaft 6 is fixed on the end face of the pawl flange seat assembly 5, the pawl fixing shaft is mainly used for fixing the position of a pawl and is also a fulcrum of pawl movement, the pawl fixing shaft 6 is connected with the pawl 3, a pawl spring 7 penetrates through a spring hole of the pawl 3, one end of the pawl spring 7 is abutted against the vertical wall face of the pawl flange seat assembly 5, and the pawl spring mainly enables the radial face of the pawl to be tightly attached to the deep groove shaft and always enables the pawl to be in a tensioning state; a ratchet baffle 8 is connected to the ratchet 2, the ratchet baffle 8 is connected with the ratchet 2 through a cylindrical pin 9, and the cylindrical pin is connected with the ratchet and a supporting ring to play a positioning role; the pawl 3 and the ratchet wheel 2 are both arranged in a conical tooth structure, the ratchet wheel is arranged on a driving shaft of the equipment, the gear teeth are meshed with pawl teeth to drive the driven equipment to move, the pawl is meshed with or separated from the ratchet wheel, and the clutch is closed or separated.
The pawl clamping ring assembly 4 comprises a pawl clamping ring 41, bearing rings 42 arranged on two axial sides of the pawl clamping ring 41 and a cylindrical positioning pin 43 connected with the bearing rings 42, a deep groove bearing 44 and a positioning ring 45 are arranged on the outer side of the cylindrical positioning pin 43, the positioning ring 45 and the deep groove bearing 44 are sleeved on the outer side of the cylindrical positioning pin 43 in parallel, the deep groove bearing 44 is tightly attached to the pawl 3, two ends of the deep groove bearing 44 penetrate through fixing holes of the bearing rings 42, and a retainer 46 is arranged in a counter bore of the pawl clamping ring 41. The radial surface of the pawl 3 abuts against the deep groove bearing 44. The ratchet ring 41 is connected to the support ring 42 by screws on both axial sides. The pawl fastening ring assembly separates and closes the clutch through rotation and locks the pawl; the pawl clamping ring is a main carrier of the pawl clamping ring assembly structure; the supporting ring is connected with the pawl fastening ring to play a role of supporting the cylindrical positioning pin; the deep groove bearing is connected with the cylindrical positioning pin and is tightly attached to the pawl, and the pawl is rolled along with the pawl fastening ring to be separated from or closed with the ratchet wheel; the cylindrical positioning pin bears the movement of the deep groove bearing; the positioning ring mainly symmetrically positions the two deep groove bearings at the inner side of the supporting ring; the retainer primarily protects the detent ring access hole from material deformation caused by lever pressure.
The pawl flange seat assembly 5 comprises a pawl flange seat 51 and a sliding shaft sleeve 52, the sliding shaft sleeve 52 is connected with the pawl flange seat 51, the pawl flange seat 51 is connected with the pawl fixing shaft 6 and the pawl 3, and the pawl flange seat assembly is a working carrier of the pawl and is also an installation flange connector of a driven body; the pawl flange seat is connected with the pawl fixing shaft and connected with the pawl to bear the motion of the pawl, the sliding shaft sleeve is connected with the pawl flange seat, the shaft hole of the pawl flange seat is isolated to be directly contacted with the driving shaft, idle rotation friction is avoided, and parts are prevented from being damaged, so that the protective effect is achieved.
The ratchet baffle 8 is fixedly connected with the ratchet 2 through screws, and the ratchet baffle mainly blocks the pawl to prevent the pawl from moving axially.
Therefore, the utility model adopts the above structure the capstan winch ratchet clutch has solved traditional ratchet, pawl structure and can not realize two-way driven defect, provides moment driven solution for compact, big moment of torsion, little space application equipment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. A winch ratchet clutch, comprising:
the ratchet wheel is arranged on a driving shaft of the equipment, the pawl is meshed with the ratchet wheel, the pawl fastening ring assembly is connected with the pawl, and the pawl flange seat assembly is connected with the pawl fastening ring assembly;
a pawl fixing shaft is fixed on the end face of the pawl flange seat assembly and connected with the pawl, a pawl spring penetrates through a spring hole of the pawl, and one end of the pawl spring abuts against the vertical wall face of the pawl flange seat assembly;
the ratchet wheel is connected with a ratchet wheel baffle plate, and the ratchet wheel baffle plate is connected with the ratchet wheel through a cylindrical pin;
the pawl and the ratchet wheel are both in a bevel gear structure.
2. The winch ratchet clutch of claim 1, wherein: the pawl clamping ring assembly comprises a pawl clamping ring, a bearing ring and a cylindrical positioning pin, wherein the bearing ring is arranged on two axial sides of the pawl clamping ring, the cylindrical positioning pin is connected with the bearing ring, a deep groove bearing and a positioning ring are arranged on the outer side of the cylindrical positioning pin, the positioning ring is sleeved with the deep groove bearing in parallel on the outer side of the cylindrical positioning pin, the deep groove bearing is tightly attached to the pawl, two ends of the deep groove bearing are penetrated into a fixing hole of the bearing ring, and a guard ring is arranged in a counter bore of the pawl clamping ring.
3. The winch ratchet clutch of claim 2, wherein: the radial surface of the pawl clings to the deep groove bearing.
4. The winch ratchet clutch of claim 3, wherein: and the two axial sides of the pawl fastening ring are connected with the bearing ring through screws.
5. The winch ratchet clutch of claim 4, wherein: the pawl flange seat assembly comprises a pawl flange seat and a sliding shaft sleeve, the sliding shaft sleeve is connected with the pawl flange seat, and the pawl flange seat is connected with the pawl fixing shaft and the pawl.
6. The winch ratchet clutch of claim 5, wherein: the ratchet baffle is fixedly connected with the ratchet wheel through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615100.6U CN212079973U (en) | 2020-04-22 | 2020-04-22 | Capstan ratchet clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615100.6U CN212079973U (en) | 2020-04-22 | 2020-04-22 | Capstan ratchet clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079973U true CN212079973U (en) | 2020-12-04 |
Family
ID=73597274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615100.6U Active CN212079973U (en) | 2020-04-22 | 2020-04-22 | Capstan ratchet clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079973U (en) |
-
2020
- 2020-04-22 CN CN202020615100.6U patent/CN212079973U/en active Active
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