Lifting motor for kitchen cabinet

Abstract

The embodiment of the utility model discloses a lifting motor for a kitchen cabinet, which comprises a shell and a motor arranged on the shell, a reversing transmission assembly is arranged in the shell and at least comprises a first reversing transmission wheel and a second reversing transmission wheel, and the axis of the first reversing transmission wheel is perpendicular to the axis of the second reversing transmission wheel. The second reversing transmission wheel is provided with a power output end capable of being matched with an external power transmission rod, the motor drives the first reversing transmission wheel to rotate, the first reversing transmission wheel drives the second reversing transmission wheel to rotate, and therefore longitudinal output force of the motor is converted into transverse output force of the power output end of the second reversing transmission wheel. And the kitchen cabinet is driven to move up and down. According to the lifting motor for the kitchen cabinet, a traditional steel wire rope and reel structure is removed, the reversing transmission assembly composed of the first reversing transmission wheel and the second reversing transmission wheel is adopted, and the motor structure is simpler.

Description

Technical fields:

[0002] This utility model relates to a lifting motor for kitchen cabinets. Background technology:

[0004] Existing kitchen cabinet lifting motors generally include a motor, a worm gear, worm wheels on both sides of the worm gear, and winding reels. The two winding reels are connected to the left and right sides of the kitchen cabinet respectively via their respective steel wire ropes. The overall lifting of the kitchen cabinet is achieved by synchronously winding the steel wire ropes on the two reels. Because the steel wire ropes on both sides of the lifting motor must be of the same length, the installation precision requirements are high, resulting in a complex structure. Furthermore, during actual lifting operation, it is easy to cause the kitchen cabinet to become uneven, such as the left being higher than the right, or vice versa, affecting the user experience. Summary of the Invention:

[0006] To overcome the problems of high installation precision requirements and complex structure of existing kitchen cabinet lifting motors with steel wire ropes, this utility model provides a simple kitchen cabinet lifting motor.

[0007] A kitchen cabinet lifting motor includes a housing and a motor mounted on the housing. A reversing transmission assembly is installed inside the housing. The reversing transmission assembly includes at least a first reversing transmission wheel and a second reversing transmission wheel. The axes of the first and second reversing transmission wheels are perpendicular to each other, and the second reversing transmission wheel has a power output end that can cooperate with an external power transmission rod. The motor drives the first reversing transmission wheel to rotate, and the first reversing transmission wheel drives the second reversing transmission wheel to rotate, thereby converting the longitudinal output force of the motor into the lateral output force of the power output end of the second reversing transmission wheel to drive the kitchen cabinet to move up and down.

[0008] The kitchen cabinet lifting motor of this embodiment eliminates the traditional steel wire rope and winding wheel structure. It employs a reversing transmission assembly consisting of a first reversing transmission wheel and a second reversing transmission wheel. This converts the longitudinal output force of the motor into a lateral output force at the power output end of the second reversing transmission wheel, driving the kitchen cabinet to move up and down. The motor structure is simpler. Furthermore, the external power transmission rod can directly engage with the power output end of the second reversing transmission wheel, making installation and use convenient and quick. Attached image description:

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the structure of a lifting motor for kitchen cabinets according to Embodiment 1 of the present invention;

[0012] Figure 2 Explosion of the structure of the kitchen cabinet lifting motor in Embodiment 1 of the present invention Figure 1 ;

[0013] Figure 3 This is an exploded view of the structure of the kitchen cabinet lifting motor according to Embodiment 1 of the present invention after concealing the reversing transmission component;

[0014] Figure 4 For the present invention Figure 1 Sectional view A-A;

[0015] Figure 5 This is a structural cross-sectional view of the lifting motor for kitchen cabinets according to Embodiment 2 of the present invention;

[0016] Figure 6 This is a cross-sectional view of the structure of the kitchen cabinet lifting motor after the external power transmission rod is inserted, according to Embodiment 2 of the present invention. Detailed implementation method:

[0018] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] When ordinal numbers such as "first" and "second" are mentioned in the embodiments of this utility model, unless they actually express the meaning of order according to the context, they should be understood as being used only for differentiation.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Example 1: As Figure 1 , Figure 2As shown, the kitchen cabinet lifting motor includes a housing 1 and a motor 2 mounted on the housing 1. A reversing transmission assembly 3 is installed inside the housing 1. The reversing transmission assembly 3 includes at least a first reversing transmission wheel 31 and a second reversing transmission wheel 32. The axes of the first reversing transmission wheel 31 and the second reversing transmission wheel 32 are perpendicular to each other, and the second reversing transmission wheel 32 has a power output end 321 that can cooperate with an external power transmission rod. The motor 1 drives the first reversing transmission wheel 31 to rotate, and the first reversing transmission wheel 31 drives the second reversing transmission wheel 32 to rotate, thereby converting the longitudinal output force of the motor 2 into the lateral output force of the power output end 321 of the second reversing transmission wheel 32 to drive the kitchen cabinet to move up and down.

[0022] The kitchen cabinet lifting motor of this embodiment eliminates the traditional steel wire rope and winding wheel structure. It employs a reversing transmission assembly consisting of a first reversing transmission wheel and a second reversing transmission wheel. This converts the longitudinal output force of the motor into a lateral output force at the power output end of the second reversing transmission wheel, driving the kitchen cabinet to move up and down. The motor structure is simpler. Furthermore, the external power transmission rod can directly engage with the power output end of the second reversing transmission wheel, making installation and use convenient and quick.

[0023] Furthermore, such as Figure 1 , Figure 2 As shown, and not as a limitation of this embodiment, the outer casing 1 is arranged horizontally, and the motor 2 is mounted vertically on the outer casing 1; a power output port 13 is formed at the horizontal end of the outer casing 1. This facilitates the insertion of an external power transmission rod, such as a hexagonal bar, through the power output port 13 into the power output end 321 to achieve power transmission. In this embodiment, the power output end 321 has an internal insertion interface, and the cross-sectional shape of the insertion interface can be a shape that matches the cross-sectional shape of the external power transmission rod.

[0024] Furthermore, such as Figure 2 , Figure 4 As shown, and not as a limitation, in this embodiment, the longitudinal output shaft of motor 2 is not coplanar with the transverse output shaft of the power output end 321 of the second reversing drive wheel 32. The structure is simple, and while ensuring that the motor output shaft and the output shaft of the power output end of the second reversing drive wheel are perpendicular to each other, it further achieves a longitudinal motor arrangement, thereby reducing the overall height of the kitchen cabinet lifting motor in the vertical direction and effectively controlling the overall volume of the kitchen cabinet lifting motor.

[0025] Furthermore, such as Figure 2As shown, and not as a limitation of this embodiment, the first reversing drive wheel 31 has its shaft oriented vertically, the second reversing drive wheel 32 has its shaft oriented horizontally, and the output shaft of the motor 2 is oriented vertically. This simple structure allows the motor's power to be transmitted and output after two reversals, resulting in a simple and stable output, and minimizing the overall size of the kitchen cabinet lifting motor.

[0026] Furthermore, as a preferred embodiment and not a limitation thereof, the first reversing drive wheel 31 has a first bevel tooth portion 311, and the second reversing drive wheel 32 has a second bevel tooth portion 322, with the first bevel tooth portion 311 and the second bevel tooth portion 322 meshing with each other. This results in a simple structure and stable transmission and reversing output.

[0027] Furthermore, in this embodiment, the first bevel tooth portion 311 and the second bevel tooth portion 322 are 45-degree bevel teeth, which have a simple structure, stable meshing, and smooth power transmission and reversing output.

[0028] Furthermore, such as Figure 2 As shown, and not as a limitation of this embodiment, the first reversing drive wheel 31 extends upward from the periphery of its first bevel tooth portion 311, with a first cylindrical body 312. A worm gear portion is formed on the outer peripheral wall of the first cylindrical body 312. The output end of the motor 2 is a worm 21, which extends into the housing 1 and meshes with the worm gear portion. The longitudinal output force of the motor 2 is converted into the vertical rotational force of the first reversing drive wheel 31 through the cooperation of the worm 21 and the worm gear portion. The vertical rotational force is then converted into the lateral output force of the power output end 321 of the second reversing drive wheel 32 through the cooperation of the first bevel tooth portion 311 and the second bevel tooth portion 322. The structure is simple, the power transmission and reversing output are smooth, and the overall volume of the kitchen cabinet lifting motor can be minimized.

[0029] Furthermore, as a preferred embodiment rather than a limitation of this invention, a lower accommodating space 314 for the second bevel tooth 322 of the second reversing drive wheel 32 is formed between the inner peripheral wall of the first cylindrical body 312 and the first bevel tooth 311. This simple structure helps to minimize the overall volume of the kitchen cabinet lifting motor.

[0030] Furthermore, such as Figure 2 As shown, and not as a limitation of this embodiment, a radiating reinforcing rib is formed between the inner peripheral wall of the first cylindrical body 312 and the first conical tooth portion 311, corresponding one-to-one with the conical teeth. The structure is stable.

[0031] Furthermore, such as Figure 2 As shown, and not as a limitation of this embodiment, the outer casing 1 includes an upper casing 11 and a lower casing 12 that cooperate with each other, with the first reversing drive wheel 31 mounted on the lower casing 12. The structure is simple and assembly is convenient and quick.

[0032] Furthermore, such as Figure 3 , Figure 4 As shown, and not as a limitation, this embodiment is a preferred embodiment, in which the second reversing drive wheel 32 is installed between the upper housing 11 and the lower housing 12, and the upper housing 11 has an accommodating groove to form the upper accommodating space 111 of the second bevel tooth portion 322. The structure is simple and the assembly is convenient and quick.

[0033] Furthermore, such as Figure 2 , Figure 3 , Figure 4 As shown, and not as a limitation, this embodiment features a preferred power output port 13 located between the upper housing 11 and the lower housing 12. A first bearing 14 is installed within the power output port 13, and the power output end 321 of the second reversing drive wheel 32 engages with the inner ring of the first bearing 14. The structure is simple, and power transmission is smooth and seamless.

[0034] Furthermore, such as Figure 2 , Figure 3 , Figure 4 As shown, and not as a limitation, in this embodiment, a second bearing 15 is installed inside the upper housing 11 within the upper accommodating space 111. The other end of the second reversing drive wheel 32, which is different from the power output end 321, forms a closed end, and this closed end cooperates with the inner ring of the second bearing 15. The structure is simple, and the power transmission is smooth and seamless.

[0035] Furthermore, such as Figure 2 , Figure 3 , Figure 4 As shown, and not as a limitation, this embodiment is a preferred implementation. The lower housing 12 contains a bearing seat 121, and a lower bearing 16 is fitted over the bearing seat 121. A second cylindrical body 313 extends downward from the periphery of the first reversing drive wheel 31 around its first bevel tooth portion 311, and the second cylindrical body 313 is fitted onto the outer ring of the lower bearing 16. The structure is simple, and the power transmission is smooth and seamless.

[0036] Furthermore, such as Figure 3 , Figure 4 As shown, and not as a limitation, this embodiment features a preferred embodiment, in which the bearing seat 121 of the lower housing 12 has an upward-facing connecting cylinder 122 at its center, and the upper housing 11 has a downward-facing connecting post 112 corresponding to the connecting cylinder 122. The end of the connecting post 112 is inserted into the connecting cylinder 122. An upper bearing 17 is fitted between the first bevel tooth 311 of the first reversing drive wheel 31 and the connecting post 112. The structure is simple, and the power transmission is smooth and seamless.

[0037] Furthermore, such as Figure 2 , Figure 4As shown, and not as a limitation of this embodiment, the reversing transmission assembly 3 includes two sets of identical structures. The two sets of reversing transmission assemblies 3 are symmetrically arranged laterally within the housing 1, and the power output ends of the two second reversing transmission wheels 32 are on the same transverse axis. The power output ends of the two second reversing transmission wheels 32 can synchronously output lifting driving force outwards. In actual lifting and lowering operation, this ensures that the kitchen cabinet is raised and lowered horizontally, avoiding defects such as left-high-right or right-high-left, resulting in a good user experience.

[0038] Furthermore, such as Figure 3 As shown, and not as a limitation of this embodiment, the lower housing 12 and the upper housing 11 are respectively provided with connecting protrusions 123 on their opposite upper end faces, and the upper housing 11 is respectively provided with connecting holes 113 at the positions corresponding to the connecting protrusions 123, with the connecting protrusions 123 cooperating with the connecting holes 113. The structure is simple, and the upper and lower housings are easy and quick to assemble.

[0039] Furthermore, such as Figure 1 As shown, and not as a limitation of this embodiment, the lower housing 12 is provided with mounting lugs 124 at its upper left and lower left and right corners, respectively, for easy installation on kitchen cabinets.

[0040] Furthermore, such as Figure 1 As shown, and not as a limitation of this embodiment, the lower housing 12 has a longitudinally extending connecting portion at its center. A left connecting block 125 and a right connecting block 126 are diagonally arranged at the lower left and upper right corners of the connecting portion. The lower left and upper right corners of the front end of the motor 2 are respectively provided with a left connecting lug 22 that mates with the left connecting block 125 and a right connecting lug 23 that mates with the right connecting block 126. The structure is simple, and the motor and housing are easy to install.

[0041] Example 2: Figure 5 As shown, the difference from Embodiment 1 is that the other end of the second reversing drive wheel 32 that is different from its power output end 321 is an open end, and the power output end 321 and the open end pass through each other laterally.

[0042] Furthermore, such as Figure 5 , Figure 6As shown, and not as a limitation, this embodiment is a preferred implementation. The reversing transmission assembly 3 includes two sets of identical structures. The two sets of reversing transmission assemblies 3 are symmetrically arranged laterally within the housing 1, and the power output ends of the two second reversing transmission wheels 32 are on the same transverse axis. An external power transmission rod 4 can pass through the power output ends 321 of the two second reversing transmission wheels 32 from left to right. This structure eliminates the need for the two second bearings 15 and two upper bearings 17 in Embodiment 1, saving a total of four bearings, resulting in a simpler structure. Furthermore, the power output ends 321 of the two second reversing transmission wheels 32 can precisely and synchronously output power, ensuring the overall kitchen cabinet can rise and fall smoothly and synchronously from left to right.

[0043] Example 3: A liftable kitchen cabinet includes a cabinet body (not shown in the figure), transmission chains (not shown in the figure) located on the left and right sides of the cabinet body, and drive sprockets (not shown in the figure) and driven sprockets (not shown in the figure) arranged vertically on each transmission chain. The cabinet body is fixedly connected to the transmission chains through connectors (not shown in the figure). The lift motor adopts the structure of Example 1. The two lateral power output ends of the lift motor are respectively connected to the left and right drive sprockets through two external power transmission rods, including but not limited to hexagonal bars, to drive the cabinet to lift up and down.

[0044] Furthermore, as a preferred embodiment rather than a limitation of this invention, a guide rail slider structure (not shown in the figure) may also be provided on the back of the kitchen cabinet to make the kitchen cabinet more stable when it is raised and lowered.

[0045] Example 4: A lifting kitchen cabinet, which differs from Example 3 in that the lifting motor adopts the structure of Example 2. The lifting motor is connected to the left and right drive sprockets simultaneously through an external power transmission rod, including but not limited to a hexagonal bar, that runs from left to right through the two horizontal power output ends, so as to synchronously drive the kitchen cabinet to lift up and down.

[0046] The above description provides one or more embodiments in conjunction with specific content, and does not imply that the specific implementation of this utility model is limited to these descriptions. Any methods or structures that are similar to or identical to those of this utility model, or any technical deductions or substitutions made based on the concept of this utility model, should be considered within the protection scope of this utility model.

Claims

1. A lifting motor for kitchen cabinets, comprising a housing and a motor mounted on the housing, characterized in that, The outer casing is equipped with a reversing transmission assembly, which includes at least a first reversing transmission wheel and a second reversing transmission wheel. The axes of the first and second reversing transmission wheels are perpendicular to each other, and the second reversing transmission wheel has a power output end that can cooperate with an external power transmission rod. The motor drives the first reversing transmission wheel to rotate, and the first reversing transmission wheel drives the second reversing transmission wheel to rotate, thereby converting the longitudinal output force of the motor into the lateral output force of the power output end of the second reversing transmission wheel to drive the kitchen cabinet to move up and down.

2. The kitchen cabinet lifting motor as described in claim 1, characterized in that, The housing is arranged horizontally, and the motor is mounted vertically on the housing; the horizontal end of the housing forms a power output port.

3. The kitchen cabinet lifting motor as described in claim 1, characterized in that, The longitudinal output shaft of the motor is not coplanar with the transverse output shaft of the power output end of the second commutation drive wheel.

4. The kitchen cabinet lifting motor as described in claim 1, 2, or 3, characterized in that, The shaft of the first reversing drive wheel is set vertically, the shaft of the second reversing drive wheel is set horizontally, and the output shaft of the motor is set longitudinally.

5. The kitchen cabinet lifting motor as described in claim 4, characterized in that, The first reversing drive wheel has a first bevel tooth portion, and the second reversing drive wheel has a second bevel tooth portion, with the first bevel tooth portion meshing with the second bevel tooth portion.

6. The kitchen cabinet lifting motor as described in claim 5, characterized in that, The first reversing drive wheel has a first cylindrical body extending upward from the periphery of its first bevel tooth portion. A worm gear portion is formed on the outer peripheral wall of the first cylindrical body. The output end of the motor is a worm, which extends into the housing and meshes with the worm gear portion. The longitudinal output force of the motor is converted into the vertical rotational force of the first reversing drive wheel through the cooperation of the worm and the worm gear portion. The vertical rotational force is then converted into the lateral output force of the power output end of the second reversing drive wheel through the cooperation of the first bevel tooth portion and the second bevel tooth portion.

7. The kitchen cabinet lifting motor as described in claim 6, characterized in that, A space is formed between the inner peripheral wall of the first cylinder and the first conical tooth section to accommodate the second conical tooth section of the second reversing drive wheel.

8. The kitchen cabinet lifting motor as described in claim 7, characterized in that, A radiating reinforcing rib is formed between the inner peripheral wall of the first cylinder and the first conical tooth section, corresponding one-to-one with the conical tooth.

9. The kitchen cabinet lifting motor as described in claim 8, characterized in that, The outer casing includes an upper casing and a lower casing that cooperate with each other, and the first reversing drive wheel is installed on the lower casing.

10. The kitchen cabinet lifting motor as described in claim 9, characterized in that, The second reversing drive wheel is installed between the upper housing and the lower housing, and the upper housing has an accommodating groove to form an accommodating space on the second bevel gear.

11. The kitchen cabinet lifting motor as described in claim 10, characterized in that, The power output port is located between the upper and lower housings. A first bearing is installed inside the power output port, and the power output end of the second reversing drive wheel is engaged with the inner ring of the first bearing.

12. The kitchen cabinet lifting motor as described in claim 11, characterized in that, The lower housing is provided with a bearing seat, and a lower bearing is provided on the outer sleeve of the bearing seat. The first reversing drive wheel extends downward from the outer periphery of its first bevel tooth and is provided with a second cylinder, which is sleeved on the outer ring of the lower bearing.

13. The kitchen cabinet lifting motor as described in claim 12, characterized in that, A second bearing is installed inside the upper housing within the upper accommodating space. The other end of the second reversing drive wheel, which is different from the power output end, forms a closed end, and this closed end cooperates with the inner ring of the second bearing.

14. The kitchen cabinet lifting motor as described in claim 13, characterized in that, The lower housing has an upward-facing connecting cylinder at the center of the bearing seat, and the upper housing has a downward-facing connecting column corresponding to the connecting cylinder. The end of the connecting column is inserted into the connecting cylinder. An upper bearing is fitted between the first bevel tooth of the first reversing drive wheel and the connecting column.

15. The kitchen cabinet lifting motor as described in claim 14, characterized in that, The reversing drive assembly includes two sets of identical structures. The two sets of reversing drive assemblies are arranged symmetrically and laterally within the housing, and the power output ends of the two second reversing drive wheels are on the same transverse axis.

16. The kitchen cabinet lifting motor as described in claim 12, characterized in that, The other end of the second reversing drive wheel that is opposite to its power output end is an open end, and the power output end and the open end pass through each other laterally.

17. The kitchen cabinet lifting motor as described in claim 16, characterized in that, The reversing transmission assembly includes two sets of identical structures. The two sets of reversing transmission assemblies are symmetrically arranged laterally inside the housing, and the power output ends of the two second reversing transmission wheels are on the same transverse axis. An external power transmission rod can pass through the power output ends of the two second reversing transmission wheels from left to right.

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