Novel bidirectional self-locking clutch

Abstract

The utility model discloses a novel two-way self-locking clutch which comprises a fixing shell, a fixing disc is arranged on the inner side of the fixing shell, a plurality of first limiting columns and a plurality of second limiting columns are fixedly arranged at the upper end of the fixing disc, the second limiting columns are located on the outer sides of the first limiting columns respectively, a fixing frame is arranged above the fixing disc, and the first limiting columns and the second limiting columns are arranged on the fixing frame. A plurality of rotatable short shafts are connected to the lower end of the fixing frame, two first connecting frames and two second connecting frames are fixedly arranged on the short shafts, two first limiting frames are fixedly arranged on the side walls of the two first connecting frames respectively, and two second limiting frames are fixedly arranged on the side walls of the two second connecting frames respectively; an elastic limiting assembly is arranged between the first limiting frame and the second limiting frame and comprises a compression spiral spring, mounting columns are fixedly arranged on one side of the first limiting frame and one side of the second limiting frame respectively, and the two ends of the compression spiral spring are arranged on the mounting columns in a penetrating mode respectively. The self-locking and unlocking device has the advantages of simple structure and good self-locking and unlocking effects.

Description

TECHNICAL FIELD

[0001] The utility model relates to two -way self -locking clutch technical field especially relates to a novel two -way self -locking clutch. BACKGROUND

[0002] At present two -way clutches are widely used in transmission systems of machine tools, petrochemical machinery, printing and packaging machinery, general machinery, electrical equipment and military products, mainly play the role of preventing reverse rotation, accurate positioning, transmission or overrunning torque. With the continuous innovation of science and technology and the vigorous development of high -tech, the application field of two -way clutches is expanding, and the demand is increasing. However, the two -way clutches in the prior art are generally large in structure, thus increasing the manufacturing cost, and the structure is relatively complex. In view of the above problems, the following proposes a solution. SUMMARY

[0003] The utility model discloses a novel two -way self -locking clutch has simple structure, the advantages such as self -locking unlocking effect.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A novel two -way self -locking clutch, including fixed casing, the inside of fixed casing is provided with detachable fixed disc, the upper end of fixed disc is equipped with a plurality of first limit posts and a plurality of second limit posts, a plurality of second limit posts are located at the outside of a plurality of first limit posts respectively, the upper of fixed disc is equipped with fixed frame, the lower end of fixed frame is connected with a plurality of rotatable short shafts, the short shaft is equipped with two first connecting frames and two second connecting frames, two first connecting frames and two second connecting frames are located between each first limit post and second limit post respectively, the side wall of two first connecting frames is respectively equipped with two first limit frames, the side wall of two second connecting frames is respectively equipped with two second limit frames, the first limit frame and second limit frame are provided with elastic limit component between.

[0006] As preferred, the elastic limit component includes a compression coil spring, one side of the first limit frame and the second limit frame is respectively equipped with a mounting column, and the two ends of the compression coil spring are respectively threaded on the two mounting columns.

[0007] As preferred, one side of the fixed casing is provided with two grooves, two fixed screws are respectively threaded in the two grooves, and the top end of the fixed screw is threaded in the fixed disc.

[0008] As preferred, a plurality of heat dissipation grooves are formed on the fixed disc, and the plurality of heat dissipation grooves are arc-shaped.

[0009] The utility model discloses beneficial effect is: can realize the function of self -locking and unlocking simultaneously, and have the characteristics of miniaturization, light weight, greatly save manufacturing cost, so as to facilitate popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of example;

[0011] Figure 2 It is the sectional view of example;

[0012] Figure 3 It is the cross section schematic diagram of example's initial state;

[0013] Figure 4 It is the cross section schematic diagram of example's clockwise rotation self -locking limit;

[0014] Figure 5 It is the cross section schematic diagram of example's counterclockwise rotation self -locking limit.

[0015] Reference signs: 1, fixed casing;2, fixed disc;3, first limit post;4, second limit post;5, fixed stand;6, short shaft;7, first connecting frame;8, second connecting frame;9, first limit frame;10, second limit frame;11, elastic limit component;12, compression coil spring;13, mounting post;14, recess;15, fixed screw;16, heat dissipation groove. DETAILED DESCRIPTION

[0016] The following described only is the preferred embodiment of the utility model, and the protection scope is not only limited to the embodiment, and belongs to the protection scope of the utility model for the technical scheme under the idea of the utility model. Same parts use same reference signs among them. It is needful to explain, the word used in the following description "before", "after", "left", "right", "up" and "down" refer to the direction in the drawing, and the word "bottom" and "top", "inner" and "outer" respectively refer to the direction of the direction or away from the geometric center of a particular component.

[0017] As Figures 1 to 5As shown, a new type of bidirectional self-locking clutch, including a fixed housing 1, the inner side of the fixed housing 1 is provided with a detachable fixed disc 2, the upper end of the fixed disc 2 is fixed with a plurality of first limiting column 3 and a plurality of second limiting column 4, a plurality of second limiting column 4 is located in the outer side of a plurality of first limiting column 3, through the first limiting column 3 and a plurality of second limiting column 4 can be on the clutch rotation bidirectional self-locking effect. The upper of fixed disc 2 is equipped with a fixed frame 5, the lower end of the fixed frame 5 is connected with a plurality of rotatable short shaft 6, the short shaft 6 is fixed with two first connecting frame 7 and two second connecting frame 8, two first connecting frame 7 and two second connecting frame 8 are located between each first limiting column 3 and second limiting column 4, the side wall of two first connecting frame 7 is respectively fixed with two first limiting frame 9, the side wall of two second connecting frame 8 is respectively fixed with two second limiting frame 10, the first limiting frame 9 and the second limiting frame 10 are provided with elastic limiting component 11, through the elastic limiting component 11 respectively on two first limiting frame 9 and two second limiting frame 10 play the supporting or reset effect.

[0018] Further, the elastic limiting component 11 includes a compression coil spring 12, one side of the first limiting frame 9 and the second limiting frame 10 is respectively fixed with a mounting column 13, and the both ends of the compression coil spring 12 are respectively threaded on the two mounting columns 13, the compression coil spring 12 can support the initial state of the first limiting frame 9 and the second limiting frame 10, and reset the first limiting frame 9 and the second limiting frame 10 after self-locking.

[0019] Further, one side of the fixed housing 1 is provided with two grooves 14, two grooves 14 are respectively threaded with fixed screw 15, and the top end of the fixed screw 15 is threaded in the fixed disc 2, the fixed disc 2 can be fixed by the fixed screw 15, and the fixed disc 2 can also be quickly disassembled.

[0020] Further, a plurality of heat dissipation grooves 16 are formed on the fixed disc 2, and the plurality of heat dissipation grooves 16 are arc-shaped, the air circulation of the upper and lower ends of the fixed disc 2 can be increased by the plurality of heat dissipation grooves 16, and the heat dissipation effect of the fixed housing 1 can be further improved.

[0021] The utility model discloses a working principle: as 4 shows, when the input end carries out clockwise input, the fixed disc 2 drives several first limit post 3 and second limit post 4 clockwise rotation, the two first limit frame 9 of left upper side and the two second limit frame 10 of right lower side are pasted with first limit post 3 and second limit post 4 respectively, and at the same time, the two first limit frame 9 of right upper side and the two second limit frame 10 of left lower side are separated with first limit post 3 and second limit post 4 respectively, the rotation angle is 20 DEG at this time, and two compression coil springs 12 are extruded and produce the elasticity, can realize clockwise rotation limit unlocking, if needing reset, can be driven several first limit frame 9 and second limit frame 10 back to the initial position through the elastic reset action of two compression coil springs 12, contrarily, as shown in the drawing, when the input end carries out counterclockwise input, the fixed disc 2 drives several first limit post 3 and second limit post 4 counterclockwise rotation, the two first limit frame 9 of right upper side and the two second limit frame 10 of left lower side are pasted with first limit post 3 and second limit post 4 respectively, and at the same time, the two first limit frame 9 of left upper side and the two second limit frame 10 of right lower side are separated with first limit post 3 and second limit post 4 respectively, the rotation angle is 20 DEG at this time, and two compression coil springs 12 are extruded and produce the elasticity, can realize counterclockwise rotation limit unlocking, if needing reset, can be driven several first limit frame 9 and second limit frame 10 back to the initial position through the elastic reset action of two compression coil springs 12, as shown in the drawing, when when the input end has no input instruction, can be through the support force of compression coil spring 12 both ends and lock first limit frame 9 and second limit frame 10 are in the locking state, can realize self-locking function, and the bidirectional self-locking clutch of the utility model has the characteristics such as miniaturization, light weight, and greatly saves the manufacturing cost, so as to facilitate the use. Figure 5 Figure 3

[0022] The above-described specific embodiments further illustrate the technical problems solved by the utility model, technical solutions and beneficial effects, and it should be understood that the above-described only for the specific embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.​​

Claims

1. A new type of two-way self-locking clutch, characterized in that: The invention comprises a fixed shell (1), wherein a detachable fixed disk (2) is provided on the inner side of the fixed shell (1), a plurality of first limiting columns (3) and a plurality of second limiting columns (4) are fixedly provided on the upper end of the fixed disk (2), and the plurality of second limiting columns (4) are respectively located on the outer sides of the plurality of first limiting columns (3), a fixed frame (5) is provided above the fixed disk (2), and a plurality of rotatable short shafts (6) are connected to the lower end of the fixed frame (5), and two first limiting columns (3) are fixedly provided on the short shafts (6). A connecting frame (7) and two second connecting frames (8), the two first connecting frames (7) and the two second connecting frames (8) are respectively located between each first limiting column (3) and the second limiting column (4), the side walls of the two first connecting frames (7) are respectively fixed with two first limiting frames (9), the side walls of the two second connecting frames (8) are respectively fixed with two second limiting frames (10), and an elastic limiting component (11) is provided between the first limiting frame (9) and the second limiting frame (10).

2. A novel two-way self-locking clutch according to claim 1, characterized in that: The elastic limiting assembly (11) includes a compression coil spring (12), and mounting columns (13) are fixedly provided on one side of the first limiting frame (9) and the second limiting frame (10), and the two ends of the compression coil spring (12) are respectively passed through the two mounting columns (13).

3. A novel two-way self-locking clutch according to claim 2, characterized in that: Two grooves (14) are provided on one side of the fixed housing (1), and fixing screws (15) are respectively passed through the two grooves (14), and the top ends of the fixing screws (15) are passed through the fixed disk (2).

4. A novel two-way self-locking clutch according to claim 3, characterized in that: The fixing plate (2) is provided with a plurality of heat dissipation slots (16), and the plurality of heat dissipation slots (16) are all arc-shaped.

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