Double-shaft motor

Abstract

The utility model discloses a double-shaft motor, which comprises a casing and a motor shaft, and two ends of the motor shaft penetrate out of the casing. A shaft sleeve is fixed on the motor shaft, a rubber anti-vibration pad is sleeved on the shaft sleeve, convex teeth are circumferentially distributed on the shaft sleeve, and clamping grooves corresponding to the convex teeth are formed in the rubber anti-vibration pad; a fixing support is arranged on the rubber anti-vibration pad in a sleeving mode and used for being connected with a fan. The device is novel in structure, flexible to disassemble and assemble and stable in operation, has a vibration reduction function and is high in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a double-shaft motor. Background Art

[0002] The dual-axis motor adopts the structure of a traditional motor, including a rotor, a stator, an iron core winding and two rotating shafts. It has the function of bidirectional output and can also output power at one end and connect a fan to the other end for heat dissipation. It is used in industrial automation equipment, medical equipment and other fields.

[0003] The current dual-shaft motor will generate mechanical vibration on the motor shaft due to the high-speed rotation of the rotor, which is transmitted to the fan and driven components at both ends of the motor shaft, causing resonance, resulting in loose connections and noise. Summary of the invention

[0004] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provides a dual-axis motor with novel structure, flexible assembly and disassembly, stable operation, vibration reduction function and strong practicality.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A dual-shaft motor comprises: a housing and a motor shaft, both ends of the motor shaft pass through the housing; the characteristics are: a shaft sleeve is fixed on the motor shaft, a rubber vibration-damping pad is sleeved on the shaft sleeve, convex teeth are distributed circumferentially on the shaft sleeve, and a slot corresponding to the convex teeth is provided on the rubber vibration-damping pad; a fixed bracket is sleeved on the rubber vibration-damping pad, and the fixed bracket is used to connect with a fan. The dual-shaft motor has a novel structure, flexible disassembly and assembly, stable operation, vibration-damping function, and strong practicality.

[0007] Furthermore, a notch is provided between the end face of the rubber vibration damping pad and the outer peripheral wall so that a limited position is formed on the rubber vibration damping pad. A sleeve hole is provided on the fixed bracket, and the sleeve hole includes a first hole position and a second hole position. The first hole position is connected to the second hole position, the first hole position is adapted to the limited position, and the second hole position is adapted to the rubber vibration damping pad. The fixed bracket and the rubber vibration damping pad are detachable and flexible. After installation, the fixed bracket is in close contact with the rubber vibration damping pad, and the friction force is large. The two are not easy to be separated freely, and the assembly is reliable. The fixed bracket rotates synchronously with the rubber vibration damping pad, and no relative rotation occurs. The rubber vibration damping pad can buffer the mechanical vibration generated during the operation of the motor shaft, reduce vibration transmission, and make the fan run more smoothly and reliably.

[0008] Furthermore, the casing includes a shell and an end cover, and a convex ring portion is provided on the end cover, which is adapted to the port of the shell so that the shell can be detachably connected to the end cover. The end cover is in close contact with the inner wall of the port of the shell through the convex ring portion, and the friction force is large. The two are not easy to be freely disengaged, and the assembly is reliable, replacing the bolt fixing method, and the disassembly and assembly are fast, labor-saving and convenient.

[0009] Furthermore, reinforcing ribs are distributed circumferentially on the end cover, and the reinforcing ribs are connected to the convex ring part, thereby improving the structural strength of the end cover, being pressure-resistant and collision-resistant without being easily deformed, and having a long service life.

[0010] Furthermore, a fixing ring is provided outside the casing, and fixing holes are provided on the fixing ring, which are convenient for inserting nails and fixing the fixing ring with the mounting surface or mounting bracket, thereby improving the convenience of installation.

[0011] Furthermore, the fixing ring is fixed to the casing by welding through the sleeve portion, thereby increasing the contact area between the fixing ring and the casing, thereby improving the connection strength between the fixing ring and the casing.

[0012] Furthermore, a mounting portion is provided on the fixing bracket, and a mounting hole is provided on the mounting portion, which is convenient for inserting nails and fixing the fan, thereby improving the convenience of connection.

[0013] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0014] The rubber vibration damping pad is removable and replaceable, which is flexible and convenient. After installation, the rubber vibration damping pad is in close contact with the shaft sleeve, and the friction is large. The two are not easy to be separated freely, and the assembly is reliable. The shaft sleeve rotates synchronously with the motor shaft, and is connected by the convex teeth and the slot. The rubber vibration damping pad rotates synchronously with the shaft sleeve, and no relative rotation occurs.

[0015] The fixed bracket and the rubber vibration damping pad are detachable and flexible. After installation, the fixed bracket is in close contact with the rubber vibration damping pad, resulting in large friction. The two are not easy to be separated freely and the assembly is reliable. The fixed bracket rotates synchronously with the rubber vibration damping pad without relative rotation. The rubber vibration damping pad can buffer the mechanical vibration generated during the operation of the motor shaft and reduce vibration transmission, making the fan run more smoothly and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the structure of a dual-axis motor of the utility model;

[0018] Figure 2 for Figure 1 A top view of

[0019] Figure 3 This is a schematic diagram of the structure of the connection between the housing and the motor shaft in the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the housing in the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the end cover in the utility model;

[0022] Figure 6 It is a structural schematic diagram of the docking of the fixed bracket and the rubber vibration damping pad in the utility model.

[0023] In the figure: 1- housing; 2- motor shaft; 3- housing; 4- end cover; 5- convex ring; 6- reinforcing rib; 7- fixing ring; 8- fixing hole; 9- sleeve part; 10- shaft sleeve; 11- rubber vibration damping pad; 12- convex tooth; 13- slot; 14- fixing bracket; 15- notch; 16- limiting part; 17- sleeve hole; 18- mounting part; 19- mounting hole. DETAILED DESCRIPTION

[0024] like Figure 1 , Figure 4 As shown, a dual-axis motor of the utility model includes: a casing 1, a rotor, a stator and a motor shaft 2, wherein the stator is arranged in the casing 1, the stator is rotatably connected to the rotor, and the motor shaft 2 is arranged on the rotor. The above structure belongs to the prior art and will not be described in detail here.

[0025] The casing 1 includes a shell 3 and an end cover 4. The end of the motor shaft 2 passes through the end cover 4. A convex ring portion 5 is provided on the end cover 4. The convex ring portion 5 is adapted to the port of the shell 3, so that the shell 3 can be detachably connected to the end cover 4. The end cover 4 is in close contact with the inner wall of the port of the shell 3 through the convex ring portion 5, and the friction force is large. The two are not easy to be separated freely, and the assembly is reliable, replacing the bolt fixing method, and the disassembly and assembly are fast, labor-saving and convenient.

[0026] like Figure 5 As shown, reinforcing ribs 6 are distributed circumferentially on the end cover 4, and the reinforcing ribs 6 are fixedly connected to the convex ring portion 5, thereby improving the structural strength of the end cover 4, being pressure-resistant and collision-resistant without being easily deformed, and having a long service life.

[0027] like Figure 2 As shown, a fixing ring 7 is provided outside the housing 3, and a fixing hole 8 is provided on the fixing ring 7, which is convenient for inserting nails and fixing with the mounting surface or mounting bracket, thereby improving the convenience of installation. The fixing ring 7 is welded and fixed to the housing 3 through the sleeve portion 9, which increases the contact area between the fixing ring 7 and the housing 1, thereby improving the connection strength between the fixing ring 7 and the housing 1.

[0028] like Figure 3 As shown, a shaft sleeve 10 is fixed on the motor shaft 2, and a rubber vibration-damping pad 11 is sleeved on the shaft sleeve 10. The shaft sleeve 10 is provided with convex teeth 12 distributed circumferentially, and a slot 13 communicating with the hole therein is provided on the rubber vibration-damping pad 11, and the slot 13 corresponds to the convex teeth 12. The rubber vibration-damping pad 11 is detachable and replaceable, which is flexible and convenient. After installation, the rubber vibration-damping pad 11 is in close contact with the shaft sleeve 10, and the friction force is large. The two are not easy to be separated freely, and the assembly is reliable; the shaft sleeve 10 rotates synchronously with the motor shaft 2, and the convex teeth 12 are connected with the slot 13 through the matching connection, and the rubber vibration-damping pad 11 rotates synchronously with the shaft sleeve 10, and no relative rotation occurs.

[0029] like Figure 6 As shown, a fixing bracket 14 is sleeved on the rubber vibration damping pad 11, and a notch 15 is provided between the end face of the rubber vibration damping pad 11 and the outer peripheral wall to form a limiting portion 16 on the rubber vibration damping pad 11. A sleeve hole 17 is provided on the fixing bracket 14, and the sleeve hole 17 includes a first hole position and a second hole position, the first hole position is communicated with the second hole position, the first hole position is adapted to the limiting portion 16, and the second hole position is adapted to the rubber vibration damping pad 11.

[0030] The fixed bracket 14 and the rubber vibration-damping pad 11 are detachable and flexible. After installation, the fixed bracket 14 is in close contact with the rubber vibration-damping pad 11, and the friction is large. The two are not easy to be separated freely, and the assembly is reliable. The fixed bracket 14 rotates synchronously with the rubber vibration-damping pad 11 without relative rotation. The rubber vibration-damping pad 11 can buffer the mechanical vibration generated during the operation of the motor shaft 2, reduce vibration transmission, and make the fan run more smoothly and reliably.

[0031] The fixing bracket 14 is provided with a mounting portion 18 , and the mounting portion 18 is provided with a mounting hole 19 , which is convenient for inserting nails and fixing the fan, thereby improving the convenience of connection.

[0032] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A dual-axis motor, comprising: A housing and a motor shaft, wherein both ends of the motor shaft pass through the housing; Features: A shaft sleeve is fixed on the motor shaft, a rubber vibration-damping pad is sleeved on the shaft sleeve, convex teeth are distributed circumferentially on the shaft sleeve, and a slot corresponding to the convex teeth is provided on the rubber vibration-damping pad; A fixing bracket is sleeved on the rubber vibration-damping pad, and the fixing bracket is used to be connected to the fan.

2. A dual-axis motor according to claim 1, characterized in that: A notch is provided between the end surface of the rubber vibration damping pad and the outer peripheral wall so that a limiting portion is formed on the rubber vibration damping pad. A sleeve hole is provided on the fixing bracket, and the sleeve hole includes a first hole position and a second hole position. The first hole position is communicated with the second hole position, the first hole position is adapted to the limiting portion, and the second hole position is adapted to the rubber vibration damping pad.

3. A dual-axis motor according to claim 1, characterized in that: The casing comprises a shell and an end cover, wherein the end cover is provided with a convex ring portion, and the convex ring portion is adapted to the port of the shell so that the shell can be detachably connected to the end cover.

4. A dual-axis motor according to claim 3, characterized in that: The end cover is provided with reinforcing ribs distributed circumferentially, and the reinforcing ribs are connected to the convex ring portion.

5. A dual-axis motor according to claim 1, characterized in that: A fixing ring is arranged outside the casing, and a fixing hole is arranged on the fixing ring.

6. A dual-axis motor according to claim 5, characterized in that: The fixing ring is fixed to the casing by welding through the sleeve portion.

7. A dual-axis motor according to claim 1, characterized in that: The fixing bracket is provided with a mounting portion, and the mounting portion is provided with a mounting hole.

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