CN-224229117-U - Modular self-locking keyless coupler

Abstract

The utility model discloses a modularized self-locking keyless coupler, which relates to the technical field of mechanical transmission and comprises a coupler half body, wherein one end of the coupler half body is detachably provided with a front end cover, one end of the front end cover is provided with an inner ring which is positioned in the coupler half body, the other end of the coupler half body is provided with a mounting hole, the inside of the mounting hole is detachably provided with a rear end cover, one end of the inner ring is contacted with one end of the rear end cover, the surface of the inner ring is provided with a compression ring which is positioned between the front end cover and the rear end cover in a sleeved mode, an installation oil cavity is formed between the compression ring and the rear end cover, a disassembly oil cavity is formed between the compression ring and the front end cover, one end of the rear end cover is provided with an installation oil hole, and the surface of the coupler half body is provided with a disassembly oil hole. According to the utility model, hydraulic oil is injected into the installation oil cavity through the installation oil hole, the hydraulic oil pushes the compression ring to move, the compression ring compresses the coupling half body and the inner ring, so that the inner ring generates elastic deformation to further transmit torque, a plurality of bolts are not required to be screwed, and the installation and disassembly efficiency of the coupling is effectively improved.

Inventors

• LI HONGWEI
• SUN YUE

Assignees

• 礼宏伟
• 孙悦

Dates

Publication Date

20260512

Application Date

20250708

Claims (6)

1. 1. The modularized self-locking keyless coupler comprises a coupler half body (1) and is characterized in that a front end cover (2) is detachably arranged at one end of the coupler half body (1), an inner ring (3) is arranged at one end of the front end cover (2) and positioned in the coupler half body (1), a mounting hole (4) is formed in the other end of the coupler half body (1), a rear end cover (5) is detachably arranged in the mounting hole (4), one end of the inner ring (3) is contacted with one end of the rear end cover (5), a compression ring (6) is sleeved and mounted between the front end cover (2) and the rear end cover (5) on the surface of the inner ring (3), an installation oil cavity (7) is formed between the compression ring (6) and the rear end cover (5), an oil cavity (8) is formed between the compression ring (6) and the front end cover (2), an installation oil hole (9) is formed in one end of the rear end cover (5), and an oil hole (10) is formed in the surface of the coupler half body (1).
2. 2. The modularized self-locking keyless coupler according to claim 1, wherein a plurality of front bolts (11) are installed on the surface of the front end cover (2), a front sealing ring (12) is arranged between the front end cover (2) and the coupler half body (1), the front bolts (11) penetrate through the front sealing ring (12) and extend to the inside of the coupler half body (1) through screw holes, a plurality of rear bolts (13) are installed at one end of the rear end cover (5) outside the installation oil hole (9) through a through hole, a rear sealing ring (14) is installed at one end of the rear end cover (5) close to the coupler half body (1), and the rear bolts (13) penetrate through the rear sealing ring (14) and extend to the inside of the coupler half body (1) through screw holes.
3. 3. The modularized self-locking keyless coupler according to claim 1, wherein the number of the installation oil holes (9) is multiple, the installation oil holes (9) are communicated with the installation oil cavity (7), and the anti-withdrawal bolts (15) are arranged in the installation oil holes (9) in a threaded manner.
4. 4. The modular self-locking keyless coupler according to claim 1, wherein the dismounting oil hole (10) is communicated with the dismounting oil cavity (8).
5. 5. The modular self-locking keyless coupler according to claim 1, wherein rounded corners (16) are arranged on the inner circle of the front end cover (2) near the edge.
6. 6. The modular self-locking keyless coupling according to claim 1, characterized in that the inner and outer surfaces of the pressure ring (6) are in contact with the inner ring (3) and the coupling half (1), respectively.

Description

Modular self-locking keyless coupler Technical Field The utility model relates to the technical field of mechanical transmission, in particular to a modularized self-locking keyless coupler. Background A coupling is a mechanical device for connecting two different axes, primarily for transmitting rotational motion, torque and power, while allowing axial displacement and angular misalignment. The coupling may connect painlessly to another shaft, achieving a tight fit and co-operation between the different components. At present, the traditional couplings are divided into key-connection couplings and keyless couplings; The key connection has the following defects that firstly, the coupling needs to be heated or pressed for installation, a disassembling tool is needed for disassembly when the coupling is disassembled, and a large-sized coupling is more convenient and long in time consumption by means of pressure equipment. The keyless coupler has the following defects that firstly, the tent sleeve structure coupler with the conical surface is used for transmitting torque through the interference of elastic deformation caused by the movement of a half coupler by the screwing force of a high-strength bolt, the defect that the coupling half body moves during installation to influence the installation precision or reserve the installation movement distance, a plurality of dismounting bolts are needed for dismounting during dismounting, the installation and dismounting time is long, the installation and dismounting efficiency is low, secondly, an oil storage space is arranged in the coupling half body, the inner hole of the coupling half body is elastically deformed by adding hydraulic oil, so that the interference is generated to transmit the torque, the defect that high-pressure oil is stored in the coupling during working, the pressure is generally about 50MPa, the coupling half body is not suitable for being used in places with high flame retardant requirements, the high-pressure oil leaks, and the injected high-pressure oil can bring hidden trouble. Meanwhile, the coupler has the common defects that when a certain part of the coupler is damaged, the coupler needs to be replaced, the use cost is increased, and a certain part cannot be replaced. Disclosure of utility model The utility model aims to provide a modularized self-locking keyless coupling which is used for solving the problems in the background technology. In order to achieve the purpose, the modularized self-locking keyless coupler comprises a coupler half body, wherein a front end cover is detachably arranged at one end of the coupler half body, an inner ring is arranged at one end of the front end cover and positioned in the coupler half body, a mounting hole is distributed at the other end of the coupler half body, a rear end cover is detachably arranged in the mounting hole, one end of the inner ring is contacted with one end of the rear end cover, a compression ring is sleeved and arranged between the front end cover and the rear end cover on the surface of the inner ring, an installation oil cavity is formed between the compression ring and the rear end cover, a disassembly oil cavity is formed between the compression ring and the front end cover, an installation oil hole is distributed at one end of the rear end cover, and a disassembly oil hole is distributed at the surface of the coupler half body. Preferably, the front end cover surface mounting has a plurality of front bolts, there is the front seal circle between front end cover and the coupling halve, the front bolt runs through the front seal circle and extends to the coupling halve inside through the screw, the outside rear end cover one end of installation oilhole is through the through-hole install a plurality of rear bolt, the rear end cover is close to coupling halve one end and installs the rear seal circle, the rear bolt runs through the rear seal circle and extends to the coupling halve inside through the screw. Preferably, the number of the installation oil holes is multiple, the installation oil holes are communicated with the installation oil cavity, and the anti-withdrawal bolts are installed in the installation oil holes in a threaded mode. Preferably, the disassembly oil hole is communicated with the disassembly oil cavity. Preferably, a round angle is arranged on the inner circle of the front end cover close to the edge. Preferably, the inner and outer surfaces of the pressure ring are in contact with the inner ring and the coupling half, respectively. Compared with the prior art, the utility model has the beneficial effects that: 1. This modularization auto-lock keyless shaft coupling pours into hydraulic oil into the installation oil pocket inside through the installation oilhole, and hydraulic oil promotes the clamping ring and removes, and the clamping ring compresses tightly coupling half and inner ring, makes the inner ring produce elastic deformation and then trans