Integrated torque limiter convenient to assemble

Abstract

The integrated torque limiter convenient to assemble comprises a disc spring, and a plurality of positioning notches are formed in an inner ring of the disc spring along the edge of the disc spring. The integrated torque limiter convenient to assemble is simple in structure, parts for independently pressing disc springs are omitted, assembling is easy, assembling time is shortened, cost is reduced, and assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to torque limiter technical field, especially relates to an integrated torque limiter convenient to assemble. BACKGROUND

[0002] Torque limiter (also called torque limiter, safety coupling, safety clutch, BMOOM limiter), it is a kind of component connected with driving machine and working machine, and main function is overload protection, and torque limiter is when required torque exceeds set value due to overload or mechanical failure, it limits the torque of transmission system with the form of slipping, and it can also stop motor and speed reducer with a signal output when slipping, and it is restored to connection when the overload situation disappears.This prevents mechanical damage and avoids expensive downtime losses.Torque limiter adopts spring-loaded friction surface, and spring force is adjusted by nut or bolt, and preset sliding torque is set.According to working principle, it can be divided into friction type torque limiter and steel ball type torque limiter (ball type torque limiter), and application scope includes electronic equipment industry, automatic production line and conveyor industry.

[0003] The existing integrated torque limiter includes flywheel, friction disc, pressure disc, disc spring and damping assembly, wherein the flywheel is uniformly provided with a plurality of barbs on one side edge, and the plurality of barbs are arranged along the axial direction of the integrated torque limiter; the disc spring is provided with a plurality of radially extending limiting feet on the radial outer side; when the integrated torque limiter is assembled, the limiting feet of the disc spring abut against the barbs, the disc spring is pressed on the pressure disc, and the friction disc is arranged between the pressure disc and the flywheel, so that the pressure disc and the friction disc are limited by the cooperation of the limiting feet of the disc spring and the barbs.When the integrated torque limiter is assembled, the flywheel, the friction disc, the pressure disc and the disc spring are stacked in sequence, wherein the limiting feet of the disc spring are arranged between adjacent barbs, and then the limiting feet of the disc spring are forced to be pressed below the barbs, so that the assembly of the integrated torque limiter is time-consuming and laborious, and the assembly is difficult. SUMMARY

[0004] The utility model provides an integrated torque limiter that is simple in structure, convenient to use and easy to assemble.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] An integrated torque limiter convenient to assemble includes a disc spring, and a plurality of positioning notches are arranged along the edge of the inner ring of the disc spring.

[0007] Preferably, the plurality of positioning notches are uniformly arranged on the edge of the inner ring of the disc spring.

[0008] Further, the integrated torque limiter further comprises a flywheel, a friction disc, a pressure disc and a damping assembly connected with the friction disc arranged axially along the integrated torque limiter; the friction disc is located between the flywheel and the pressure disc; the radial outer side of the disc spring is provided with a plurality of radially extending limiting feet; a plurality of barbs are arranged along the edge of the flywheel on one side of the flywheel; the limiting feet of the disc spring abut against the barbs on one side in the axial direction, and the other side of the disc spring is pressed against the pressure disc.

[0009] Further, the radial outer side of the pressure disc is provided with a plurality of blades extending radially along the pressure disc, and the blades are arranged in the space formed by adjacent barbs.

[0010] Further, the barb comprises an axial segment arranged axially along the flywheel and a radial segment arranged radially along the flywheel; one end of the axial segment is connected with the flywheel, the other end of the axial segment is connected with the radial segment, and the radial segment extends radially inward from the other end of the axial segment; the limiting feet of the disc spring abut against the radial segment of the barb.

[0011] When the integrated torque limiter is assembled, the flywheel is first fixed, the friction disc, the pressure disc and the disc spring are sequentially stacked in the cavity between the barb and the flywheel, wherein the limiting feet on the edge of the disc spring are respectively arranged in the gap between adjacent barbs, a positioning structure acts on the disc spring, the positioning structure is provided with a plurality of limiting feet, each limiting foot is embedded in the positioning notch of the inner ring of the disc spring to limit the disc spring, then pressure is applied to the disc spring between the limiting feet and the positioning notch to deform the disc spring to be flat, finally the flywheel is rotated to drive the barb to one side of the limiting feet, the pressure applied to the disc spring is cancelled, and the positioning structure acting on the disc spring is removed.

[0012] The integrated torque limiter is simple in structure, parts for separately pressing the disc spring are omitted, easy to assemble, the assembly time is reduced, the cost is reduced, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The content expressed by each drawing of the specification and the marks in the drawings are briefly described as follows:

[0014] Figure 1 It is a structure schematic view of each structure stacked before the integrated torque limiter of the embodiment is assembled;

[0015] Figure 2 It is a structure schematic view of the integrated torque limiter after being assembled;

[0016] Figure 3 It is Figure 2 the sectional view at A-A in the middle;

[0017] Figure 4 It is a structure schematic view of the disc spring;

[0018] Fig. 1 is a disc spring; 2 is a positioning notch; 3 is a flywheel; 4 is a friction disc; 5 is a pressure disc; 6 is a damping assembly; 7 is a limiting foot; 8 is a barb; 81 is an axial segment; 82 is a radial segment; 9 is a vane. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings and a non-limiting embodiment. However, it should be understood that these descriptions are only examples and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model. EMBODIMENT

[0020] As shown in Figure 1 , 2 , 3, an integrated torque limiter convenient to assemble comprises a flywheel 3, a friction disc 4, a pressure disc 5, a disc spring 1 and a damping assembly 6 connected with the friction disc 4, which are arranged axially along the integrated torque limiter; the friction disc 4 is located between the flywheel 3 and the pressure disc 5; the radial outer side of the disc spring 1 is provided with a plurality of radially extending limiting feet 7; a plurality of barbs 8 are arranged along the edge of the flywheel 3 on one side of the flywheel 3; the limiting feet 7 of the disc spring 1 abut against the barbs 8 on one side in the axial direction, and the other side of the disc spring 1 is pressed against the pressure disc 5; the radial outer side of the pressure disc 5 is provided with a plurality of vanes 9 extending radially along the pressure disc 5, and the vanes 9 are arranged in the space formed by the adjacent barbs 8. The barb 8 comprises an axial segment 81 arranged axially along the flywheel 3 and a radial segment 82 arranged radially along the flywheel 3; one end of the axial segment 81 is connected with the flywheel 3, the other end of the axial segment 81 is connected with the radial segment 82, and the radial segment 82 extends radially inward from the other end of the axial segment 81; the limiting feet 7 of the disc spring 1 abut against the radial segment 82 of the barb 8. As shown in Figure 1 , 4 , the disc spring 1 is uniformly provided with a plurality of positioning notches 2 along the edge of the inner ring.

[0021] When assembled, as shown in Figure 1 , first, the flywheel 3 is fixed, and then the friction disc 4, the pressure disc 5 and the disc spring 1 are stacked in the space formed by the barbs 8 and the flywheel 3, wherein the vanes 9 of the pressure disc 5 and the limiting feet 7 of the disc spring 1 are first placed between the adjacent barbs 8, and the vanes 9 are located between the limiting feet 7 and the flywheel 3; secondly, the disc spring 1 is fixed on the damping assembly side of the flywheel 3 by a plurality of positioning structures with limiting feet, wherein the plurality of limiting feet of the positioning structure are respectively embedded with the positioning notches 2 of the disc spring 1, and then pressure is applied to the main body of the disc spring 1 between the limiting feet 7 and the positioning notches 2 to deform and flatten the disc spring 1; as shown in Figure 2 , 3As shown, finally rotate the flywheel 3, the flywheel 3 drives the barb 8 to rotate, the radial section 82 of the barb 8 is turned to one side of the limiting foot 7, the pressure applied to the disc spring 1 is cancelled, the limiting foot 7 of the disc spring 1 rebounds and abuts against the radial section 82 of the barb 8, the positioning structure is taken out and the assembly is completed.

[0022] In the description of the present application, it should be understood that, if the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and 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 cannot be understood as a limitation on the present application. In addition, if the terms "first", "second" and the like appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, "a plurality of" means two or more.

[0023] In the description of the present application, it should be noted that, unless otherwise specified and limited, if the terms "mounting", "connecting" and "connecting" appear, they should be understood broadly, for example, they can be fixedly connected, or they can be detachably connected, or integrally connected; they can be mechanically connected, or they can be electrically connected; they can be directly connected, or they can be indirectly connected through an intermediate medium; they can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. An integrated torque limiter that is easy to assemble, characterized by, The disc spring (1) is provided with a plurality of positioning notches (2) along the edge of the inner ring.

2. The integrated torque limiter of claim 1, wherein, The plurality of positioning notches (2) are evenly arranged on the inner ring edge of the disc spring (1).

3. The integrated torque limiter of claim 1, wherein, Further comprising a flywheel (3), a friction disc (4), a pressure disc (5) and a damping assembly (6) connected with the friction disc (4) arranged axially along the integrated torque limiter; the friction disc (4) is located between the flywheel (3) and the pressure disc (5); the radial outer side of the disc spring (1) is provided with a plurality of radially extending limiting feet (7); a plurality of barbs (8) are arranged along the edge of the flywheel (3) on one side of the flywheel (3); the limiting feet (7) of the disc spring (1) abut against the barbs (8) on one axial side, and the other side of the disc spring (1) is pressed against the pressure disc (5).

4. The integrated torque limiter of claim 3, wherein, The radial outer side of the pressure disc (5) is provided with a plurality of blades (9) extending radially along the pressure disc (5), and the blades (9) are arranged in the interval formed by adjacent barbs (8).

5. The integrated torque limiter of claim 3 or 4, wherein, The barb (8) comprises an axial segment (81) arranged axially along the flywheel (3) and a radial segment (82) arranged radially along the flywheel (3); one end of the axial segment (81) is connected with the flywheel (3), the other end of the axial segment (81) is connected with the radial segment (82), and the radial segment (82) extends radially inward from the other end of the axial segment (81); the limiting feet (7) of the disc spring (1) abut against the radial segment (82) of the barb (8).

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