Motor mounting structure of gearbox

Abstract

The utility model discloses a motor installation structure of a gearbox, which comprises a box body, a motor and a speed reduction transmission assembly, a placement space is arranged in the box body, the speed reduction transmission assembly is arranged in the placement space, the motor installation structure is characterized by further comprising an installation support, the installation support is fixed on the placement space, a limiting space is arranged on the installation support, and the motor is arranged in the limiting space. The motor is installed on the limiting space, and a motor shaft of the motor extends out of the limiting space and is in transmission connection with the speed reduction transmission assembly. According to the motor mounting structure of the gearbox, the mounting bracket is additionally arranged, the mounting bracket is stably connected to the placement space, the motor is stably connected to the limiting space of the mounting bracket, and the limiting space plays a better role in mounting and limiting the motor, so that the motor can be stably mounted in the box body, and the stable work of the motor is facilitated; and meanwhile, the noise generated when the motor works is low.

Description

Technical Field

[0001] The utility model relates to the technical field of gearboxes, in particular to a motor mounting structure of a gearbox. Background Art

[0002] The existing speed change device, see Chinese utility model patent number: 2021218677962, name: Motor air inlet and outlet structure of juicer, authorization announcement date: November 24, 2023, it includes a main unit, an air inlet channel, an air outlet channel and a motor assembly are arranged in the main unit, a part of the motor assembly extends into the air inlet channel, and the other part extends into the air outlet channel, and the motor assembly in the air inlet channel and the air outlet channel are respectively provided with a motor air inlet and a motor air outlet, and the outer wall of the motor assembly between the motor air inlet and the motor air outlet is sealed with the air inlet channel or the air outlet channel; this juicer utilizes the sealing cooperation between the outer wall of the motor assembly and the air inlet channel, or the sealing cooperation between the outer wall of the motor assembly and the air outlet channel to prevent the air inlet channel and the air outlet channel from being connected and affecting each other, thereby significantly improving the heat dissipation effect of the motor assembly.

[0003] However, the speed change device of the above structure still has the following shortcomings: (1) The motor assembly generates high-speed vibration when working. Only the lower part of the motor assembly is fixed in the motor housing cover. The motor housing cover has a poor fixing effect on the motor assembly, and the motor assembly is easy to loosen. The high-speed vibration of the motor assembly during operation will affect its own stable operation, and the high-speed vibration of the motor assembly will cause the motor housing cover to vibrate, generating a lot of noise. Utility Model Content

[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned prior art and to provide a motor installation structure for a gearbox in which a motor can be stably installed in a box, which is conducive to the stable operation of the motor itself and has low noise during operation.

[0005] The purpose of the utility model is achieved in this way:

[0006] A motor mounting structure of a gearbox comprises a housing, a motor and a reduction transmission assembly, wherein an accommodation space is arranged in the housing, and the reduction transmission assembly is placed on the accommodation space. The invention is characterized in that the structure also comprises a mounting bracket, which is fixed on the accommodation space, and a limited space is arranged on the mounting bracket. The motor is mounted on the limited space and the motor shaft of the motor extends out of the limited space, and the motor shaft is transmission-connected to the reduction transmission assembly. The motor mounting structure of this gearbox has a mounting bracket which is stably connected to the accommodation space and the motor is stably connected to the limited space of the mounting bracket. The limited space has a better installation and limiting effect on the motor, so that the motor can be stably mounted in the housing, which is beneficial to the stable operation of the motor itself and also reduces the noise of the motor when it is working.

[0007] The purpose of the utility model can also be solved by the following technical measures:

[0008] Specifically, the mounting bracket is a hollow bracket, the interior of the hollow bracket constitutes the limiting space, and a connecting piece passes through the hollow bracket and is fixedly connected to the installation space in the box; the structure of the hollow bracket is simple, and the connection effect of the hollow bracket on the installation space is better through the connecting piece.

[0009] Specifically, the connecting piece is a connecting screw, a connecting column with a connecting through hole is arranged on the outer periphery of the mounting bracket, a connecting screw hole is arranged at a position corresponding to the connecting through hole in the placement space, and the connecting screw passes through the connecting through hole from top to bottom and is connected to the connecting screw hole; this connection method is simple to operate and the connection is firm.

[0010] Specifically, a positioning groove is further provided on one side of the mounting bracket, and a positioning protrusion is provided on the mounting space corresponding to the position of the positioning groove, and the positioning protrusion extends into the positioning groove; the cooperation between the positioning protrusion and the positioning groove plays a better positioning and limiting role in the installation of the mounting bracket in the mounting space, thereby facilitating the stable installation of the mounting bracket in the mounting space.

[0011] Specifically, a limiting wall extends inward from the opening at one end of the hollow bracket, and a through hole is formed on the limiting wall. One end of the motor placed in the limiting space abuts against the limiting wall, and a connecting hole is formed on the motor at a position corresponding to the through hole. A connecting screw passes through the through hole and is connected to the connecting hole of the motor; so that one end of the motor can be stably fitted on the limiting wall of the hollow bracket, and at the same time, the motor can be stably connected to the limiting space.

[0012] Specifically, the outer side wall of the mounting bracket is provided with a plurality of hollow holes; the heat generated by the motor can be discharged through the hollow holes, so that the mounting bracket will not affect the normal heat dissipation of the motor.

[0013] Specifically, the inner circumference of the limiting space is provided with a plurality of evenly spaced limiting convex strips, which abut against the outer circumference of the motor; the limiting convex strips can effectively limit the high-speed vibration of the motor, so that the noise of the product is smaller when the motor is working.

[0014] Specifically, it also includes a limiting frame, one end of the box body is provided with a first opening, the limiting frame is connected to the first opening, the limiting frame is provided with a limiting hole, one end of the motor shaft extends into the limiting hole; the limiting hole on the limiting frame plays a limiting role on the motor shaft, can well limit the swing of the motor shaft, ensure the transmission stability of the motor shaft and the reduction transmission assembly, which is beneficial to improve the product service life and reduce noise.

[0015] Specifically, the limit frame is cross-shaped, the limit hole is arranged at the center of the limit frame, the four ends of the limit frame are arranged with clamping holes, and four protrusions are arranged on the box body located at the outer periphery of the first opening corresponding to the four clamping holes, and the protrusions are clamped with the clamping holes; so that the limit frame is firmly connected to the box body, which is conducive to the stable limitation of the motor shaft by the limit hole.

[0016] Specifically, it also includes a heat dissipation fan blade, and a second opening is provided at the other end of the box body, the first opening and the second opening are both connected to the installation space, the heat dissipation fan blade is connected to one end of the motor shaft and the heat dissipation fan blade is located on the inner side of the limit frame; when the motor shaft rotates, the heat dissipation fan blade can also be driven to rotate, thereby driving external air to enter the installation space to dissipate heat for the motor and the reduction transmission component, and finally discharged from the air outlet.

[0017] The beneficial effects of the utility model are as follows:

[0018] (1) The motor mounting structure of this gearbox is to add a mounting bracket, which is stably connected to the installation space, and the motor is stably connected to the limited space of the mounting bracket. The limited space plays a better role in installing and limiting the motor, so that the motor can be stably installed in the box, which is conducive to the stable operation of the motor itself, and also makes the noise of the motor smaller when it is working.

[0019] (2) The heat generated by the motor can be discharged through the hollow holes so that the mounting bracket will not affect the normal heat dissipation of the motor.

[0020] (3) The limiting convex strip can effectively limit the high-speed vibration of the motor, so that the product produces less noise when the motor is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the motor installation structure of the gearbox of the utility model.

[0022] Figure 2 It is a three-dimensional enlarged view of the mounting bracket of the utility model.

[0023] Figure 3 This is a disassembled diagram of the motor mounting structure of the gearbox of the utility model.

[0024] Figure 4 It is a three-dimensional enlarged view of the upper shell of the utility model.

[0025] Figure 5 It is a cross-sectional view of the motor mounting structure of the gearbox of the utility model.

[0026] Figure 6 It is a three-dimensional enlarged view of the motor of the present utility model. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0028] Example, combined with Figures 1 to 6 As shown, a motor mounting structure of a gearbox includes a housing 1, a motor 2 and a reduction transmission assembly 3, wherein an accommodation space 11 is provided in the housing 1, and the reduction transmission assembly 3 is placed on the accommodation space 11. The structure is characterized in that it also includes a mounting bracket 4, the mounting bracket 4 is fixed on the accommodation space 11, a limited space 41 is provided on the mounting bracket 4, the motor 2 is mounted on the limited space 41 and the motor shaft 21 of the motor 2 extends out of the limited space 41, and the motor shaft 21 is transmission-connected to the reduction transmission assembly 3.

[0029] As a specific solution, the box body 1 includes a base 16 and an upper shell 17, the upper shell 17 covers the base 16, a first groove 161 is provided on the base, and a second groove 171 is provided on the upper shell 17, the reduction transmission assembly 3, the motor 2 and the mounting bracket 4 are all placed on the second groove 171, and the first groove 161 and the second groove 171 enclose the placement space 11.

[0030] As a more specific solution, the mounting bracket 4 is a hollow bracket, the interior of the hollow bracket constitutes the limiting space 41 , and a connecting piece passes through the hollow bracket and is fixedly connected to the placement space 11 in the box body 1 .

[0031] In this embodiment, the connecting member is a connecting screw, and a connecting column 43 with a connecting through hole 42 is arranged on the outer periphery of the mounting bracket 4. A connecting screw hole 111 is arranged at a position corresponding to the connecting through hole 42 in the placement space 11. The connecting screw passes through the connecting through hole 42 from top to bottom and is connected to the connecting screw hole 111; the connecting screw is not shown.

[0032] In this embodiment, a positioning groove 44 is further provided on one side of the mounting bracket 4 , and a positioning protrusion 112 is provided on the placement space 11 at a position corresponding to the positioning groove 44 , and the positioning protrusion 112 extends into the positioning groove 44 .

[0033] As a more specific solution, a limiting wall 45 extends inward from the opening at one end of the hollow bracket, and a through hole 46 is formed on the limiting wall 45. One end of the motor 2 placed in the limiting space 41 abuts against the limiting wall 45, and a connecting hole 22 is formed on the motor 2 at a position corresponding to the through hole 46. A connecting screw passes through the through hole 46 and is connected to the connecting hole 22 of the motor 2; the connecting screw is not shown.

[0034] As a more preferred embodiment, the outer side wall of the mounting bracket 4 is further provided with a plurality of hollow holes 47 .

[0035] As a more preferred embodiment, the inner circumference of the limiting space 41 is provided with a plurality of evenly spaced limiting ridges 48 , and the limiting ridges 48 abut against the outer circumference of the motor 2 .

[0036] As a more specific solution, a limiting frame 5 is also included. A first opening 12 is provided at one end of the box body 1. The limiting frame 5 is connected to the first opening 12. A limiting hole 51 is provided on the limiting frame 5. One end of the motor shaft 21 extends into the limiting hole 51.

[0037] In this embodiment, the limit frame 5 is cross-shaped, the limit hole 51 is provided at the center of the limit frame 5, the four ends of the limit frame 5 are provided with clamping holes 52, and four protrusions 13 are provided on the box body 1 located on the outer periphery of the first opening 12 at positions corresponding to the four clamping holes 52, and the protrusions 13 are clamped with the clamping holes 52.

[0038] In this embodiment, four recessed portions 15 are provided on the box body 1 at the periphery of the first opening 12 at positions corresponding to the four protruding buckles 13 , and the protruding buckle 13 is located on one side of the recessed portion 15 , and the four ends of the limiting frame 5 extend into the corresponding recessed portions 15 respectively.

[0039] As a more preferred embodiment, it also includes a heat dissipation fan blade 6. The other end of the box body 1 is also provided with a second opening 14. The first opening 12 and the second opening 14 are both connected to the installation space 11. The heat dissipation fan blade 6 is connected to one end of the motor shaft 21 and the heat dissipation fan blade 6 is located on the inner side of the limit frame 5.

[0040] In this embodiment, the first opening 12 is an air inlet, and the second opening 14 is an air outlet; an air inlet 23 and an air outlet 24 are respectively provided at both ends of the motor 2, and the air outlet 24 is close to the second opening 14 of the box body 1.

Claims

1. A motor mounting structure for a gearbox, comprising a housing (1), a motor (2) and a reduction transmission assembly (3), wherein a placement space (11) is provided in the housing (1), and the reduction transmission assembly (3) is placed on the placement space (11), wherein: It also includes a mounting bracket (4), the mounting bracket (4) being fixed on the placement space (11), a limited space (41) being provided on the mounting bracket (4), the motor (2) being mounted on the limited space (41), the motor shaft (21) of the motor (2) extending out of the limited space (41), and the motor shaft (21) being in transmission connection with the reduction transmission assembly (3).

2. The motor mounting structure of the gearbox according to claim 1, characterized in that: The mounting bracket (4) is a hollow bracket, the interior of the hollow bracket forming the limiting space (41), and a connecting piece passes through the hollow bracket and is fixedly connected to the placement space (11) in the box body (1).

3. The motor mounting structure of the gearbox according to claim 2, characterized in that: The connecting member is a connecting screw, a connecting column (43) with a connecting through hole (42) is arranged on the outer periphery of the mounting bracket (4), a connecting screw hole (111) is arranged in the placement space (11) at a position corresponding to the connecting through hole (42), and the connecting screw passes through the connecting through hole (42) from top to bottom and is connected to the connecting screw hole (111).

4. The motor mounting structure of the gearbox according to claim 2, characterized in that: A positioning groove (44) is also provided on one side of the mounting bracket (4), and a positioning protrusion (112) is provided on the placement space (11) at a position corresponding to the positioning groove (44), and the positioning protrusion (112) extends into the positioning groove (44).

5. The motor mounting structure of the gearbox according to claim 2, characterized in that: A limiting wall (45) extends inwardly from the opening at one end of the hollow bracket, a through hole (46) is formed on the limiting wall (45), one end of the motor (2) placed in the limiting space (41) abuts against the limiting wall (45), a connecting hole (22) is formed on the motor (2) at a position corresponding to the through hole (46), and a connecting screw passes through the through hole (46) and is connected to the connecting hole (22) of the motor (2).

6. The motor mounting structure of the gearbox according to claim 2, characterized in that: The outer side wall of the mounting bracket (4) is also provided with a plurality of hollow holes (47).

7. The motor mounting structure of the gearbox according to claim 2, characterized in that: The inner periphery of the limiting space (41) is provided with a plurality of evenly spaced limiting convex strips (48), and the limiting convex strips (48) abut against the outer periphery of the motor (2).

8. The motor mounting structure of the gearbox according to claim 1, characterized in that: It also comprises a limiting frame (5), one end of the box body (1) is provided with a first opening (12), the limiting frame (5) is connected to the first opening (12), a limiting hole (51) is provided on the limiting frame (5), and one end of the motor shaft (21) extends into the limiting hole (51).

9. The motor mounting structure of the gearbox according to claim 8, characterized in that: The limiting frame (5) is cross-shaped, the limiting hole (51) is arranged at the center of the limiting frame (5), the four ends of the limiting frame (5) are all provided with clamping holes (52), and four convex buckles (13) are arranged on the box body (1) at the outer periphery of the first opening (12) at positions corresponding to the four clamping holes (52), and the convex buckles (13) are clamped with the clamping holes (52).

10. The motor mounting structure of the gearbox according to claim 8, characterized in that: It also includes a heat dissipation fan blade (6), and the other end of the box body (1) is also provided with a second opening (14), the first opening (12) and the second opening (14) are both in communication with the placement space (11), the heat dissipation fan blade (6) is connected to one end of the motor shaft (21), and the heat dissipation fan blade (6) is located on the inner side of the limiting frame (5).

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