Lawn mower motor housing connection structure and lawn mower motor

Abstract

This utility model relates to the field of motor power technology, specifically a lawnmower motor housing connection structure and a lawnmower motor, including a housing and a fixed base. The housing includes an upper shell and a lower shell. The upper shell has a first connecting part at one end and a second connecting part at the second end. The lower shell is disposed at the second connecting part. The first connecting part has a first rotating connector, and the lower shell has a second rotating connector at the end near the first rotating connector. The two ends of the fixed base are respectively connected to the first rotating connector and the second rotating connector. This utility model ensures that all parts of the motor housing are tightly connected, effectively resisting vibration and impact generated during lawnmower operations. It can prevent internal motor components from loosening due to shaking.

Description

Technical Field

[0001] This utility model relates to the field of electric motor power technology, and in particular to a lawnmower motor housing connection structure and a lawnmower motor. Background Technology

[0002] In today's garden machinery industry, lawnmowers, as widely used equipment for lawn mowing, rely heavily on stable performance for efficient and high-quality mowing. The motor, as the core power component of the lawnmower, directly affects its overall operational performance.

[0003] However, existing lawnmowers exhibit insufficient stability in their motors during actual use. This issue leads to power fluctuations during operation, affecting mowing efficiency and even causing sudden shutdowns in some cases, severely impacting work progress. Furthermore, insufficient motor stability can cause excessive wear on components, increasing maintenance costs and frequency, and reducing the lawnmower's lifespan. In addition, unstable motor operation poses certain safety hazards, particularly regarding the casing design. Therefore, a redesign of the existing lawnmower motor casing connection structure is necessary. Utility Model Content

[0004] To address the aforementioned issues, this invention ensures a tight fit between all parts of the motor housing, effectively resisting vibrations and impacts generated during lawn mowing. It prevents internal motor components from loosening due to shaking, thereby extending the motor's lifespan and reducing the incidence of failures caused by structural instability.

[0005] The technical solution adopted by this utility model is: a lawnmower motor housing connection structure, including a housing and a fixed base. The housing includes an upper housing and a lower housing. The upper housing has a first connecting part at its first end and a second connecting part at its second end. The lower housing is disposed at the second connecting part. The first connecting part has a first rotating connector. The lower housing has a second rotating connector at its end near the first rotating connector. The two ends of the fixed base are respectively connected to the first rotating connector and the second rotating connector.

[0006] A further improvement to the above solution is that the outer periphery of the upper housing is provided with a plurality of mounting protrusions, and the mounting protrusions are provided with mounting holes.

[0007] A further improvement to the above solution is that the mounting holes are arranged along the axial direction of the upper housing, and there are two mounting holes, which are arranged opposite to each other at both ends of the mounting protrusion.

[0008] A further improvement to the above solution is that the upper housing is provided with a fixing groove on one side of the first rotating connector, and a fixing ring is provided in the fixing groove. The fixing ring is used to fix the first rotating connector to the first connecting part of the upper housing.

[0009] A further improvement to the above solution is that a sealing ring groove is formed between the upper housing and the fixed base. The sealing ring groove is located on the upper side of the first rotating connector. A sealing element is provided on the sealing ring groove, and the inner and outer diameters of the sealing element respectively seal against the fixed base and the upper housing.

[0010] A further improvement to the above solution is that a mounting cavity is formed between the lower housing and the fixed base, and a drive module is provided in the mounting cavity. The fixed end of the drive module is connected to the fixed base, and the output end is connected to the upper housing.

[0011] A further improvement to the above solution is that the first connecting part is provided with a first fixed step, which is used to fix the outer diameter of the first rotating connector; the lower housing is provided with a second fixed step, which is used to fix the outer diameter of the second rotating connector; both the first rotating connector and the second rotating connector are bearings.

[0012] A further improvement to the above solution is that the lower housing is provided with an insertion part, which is used to insert into the second connecting part, and the bottom surface of the lower housing is flush with the bottom surface of the upper housing.

[0013] A further improvement to the above solution is that the second connecting part is provided with an assembly step, the insertion part is used to be inserted into the assembly step, and the outer periphery of the insertion part is provided with a groove to accommodate the connecting medium and fix it to the assembly step.

[0014] A lawnmower motor, including the lawnmower motor housing connection structure.

[0015] The beneficial effects of this utility model are:

[0016] Compared to existing lawnmower motor housing structures, this invention utilizes a first and second connecting part on the upper housing, combined with the connection between the lower housing and the second connecting part, resulting in a stable and easy-to-assemble housing structure. The modular design improves production efficiency and reduces errors and time consumption during assembly. The first and second rotating connecting parts connect the housing to the fixed base, effectively buffering the vibration and impact generated by the lawnmower motor during operation. This extends the service life of the motor housing, ensures the overall stability of the motor, reduces loosening and damage to components due to vibration, and thus improves the reliability of motor operation. This allows the lawnmower motor to better adapt to different working environments. The synergistic effect of the fixed base and the rotating connecting parts effectively adjusts the position and angle of the motor, meeting the working requirements of the lawnmower in various terrains and operational needs, and improving the flexibility and efficiency of lawnmowing operations.

[0017] The lawnmower motor with the aforementioned housing connection structure ensures a tight fit between all parts of the motor housing, effectively resisting vibrations and impacts generated during mowing. This prevents internal components from loosening due to shaking, thus extending the motor's lifespan and reducing the failure rate caused by structural instability. In terms of protection, the optimized connection structure enhances the motor's sealing performance. It effectively prevents dust, mud, and other debris from entering the motor, avoiding corrosion and damage to critical components such as the motor windings and circuitry, and improving the motor's reliability in harsh outdoor working environments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the connection structure of the lawnmower motor housing of this utility model;

[0019] Figure 2 for Figure 1 Exploded view of the connection structure of the outer casing of the lawnmower motor;

[0020] Figure 3 for Figure 1 An exploded view of the connecting structure of the lawnmower motor casing from another perspective;

[0021] Figure 4 for Figure 1 A front view schematic diagram of the connection structure of the lawnmower motor housing.

[0022] Figure 5 for Figure 4 Sectional view of AA.

[0023] Explanation of reference numerals in the attached drawings: outer shell 1, upper shell 11, first connecting part 111, first fixing step 1111, second connecting part 112, assembly step 1121, mounting protrusion 113, mounting hole 114, fixing slot 115, fixing ring 116, lower shell 12, placement cavity 121, drive module 122, insertion part 123, groove 1231, second fixing step 124, first rotating connector 13, second rotating connector 14, fixing base 2, sealing element 3. Detailed Implementation

[0024] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0025] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Figures 1-5As shown, in one embodiment of this utility model, a lawnmower motor housing connection structure is provided, including a housing 1 and a fixed base 2. The housing 1 includes an upper housing 11 and a lower housing 12. The upper housing 11 has a first connecting portion 111 at one end and a second connecting portion 112 at the other end. The lower housing 12 is disposed at the second connecting portion 112. The first connecting portion 111 is provided with a first rotating connector 13, and the lower housing 12 is provided with a second rotating connector 14 at the end near the first rotating connector 13. The two ends of the fixed base 2 are respectively connected to the first rotating connector 13 and the second rotating connector 14. In this embodiment, the connection between the first connecting portion 111 and the second connecting portion 112 on the upper housing 11, and the connection between the lower housing 12 and the second connecting portion 112, makes the entire housing 1 structure stable and easy to assemble. The modular design helps to improve production efficiency and reduce errors and time consumption during assembly. The first rotating connector 13 and the second rotating connector 14 connect the housing 1 and the fixed base 2, which can effectively buffer the vibration and impact force generated by the lawnmower motor during operation. This extends the service life of the motor housing 1, further ensuring the overall stability of the motor and reducing component loosening and damage caused by vibration, thereby improving the reliability of motor operation. This allows the lawnmower motor to better adapt to different working environments. The synergistic effect of the fixed base 2 and the rotating connector effectively adjusts the position and angle of the motor, meeting the working requirements of the lawnmower under various terrains and operational needs, and improving the flexibility and efficiency of lawnmowing operations.

[0027] The outer periphery of the upper housing 11 is provided with multiple mounting protrusions 113, and each mounting protrusion 113 is provided with mounting holes 114. Specifically, the mounting holes 114 are arranged along the axial direction of the upper housing 11, and there are two mounting holes 114, which are arranged opposite each other at both ends of the mounting protrusions 113. In this embodiment, the mounting holes 114 are arranged along the axial direction of the upper housing 11, and the two opposite each other at both ends of the mounting protrusions 113, providing a stable foundation for the connection of the lawnmower motor housing 1. First, the multiple mounting protrusions 113 distributed on the outer periphery of the upper housing 11 can evenly distribute the force during connection, avoid local stress concentration, effectively improve the stability of the overall structure, and ensure that the lawnmower motor will not shake or shift due to unstable connection during operation. The axially arranged mounting holes 114 facilitate precise docking with other components, enabling rapid positioning and installation during assembly, and improving assembly efficiency. The design of two opposite mounting holes 114 further enhances the reliability of the connection, making the connection tighter and more secure, which can adapt to the vibration and impact during the operation of the lawnmower motor and reduce failures caused by loosening.

[0028] A fixing groove 115 is provided on one side of the first rotating connector 13 on the upper housing 11. A fixing ring 116 is provided in the fixing groove 115, and the fixing ring 116 is used to fix the first rotating connector 13 to the first connecting part 111 of the upper housing 11. In this embodiment, the fixing groove 115 and the fixing ring 116 fit tightly together, providing a stable and precise positioning for the first rotating connector 13, ensuring that its position in the first connecting part 111 of the upper housing 11 is accurate, and greatly improving the stability of the overall structure of the lawnmower motor. During the high-frequency operation of the lawnmower motor, the stable connection can effectively reduce the vibration and noise caused by component shaking, reduce interference with motor performance, and ensure that the motor works efficiently and smoothly. The reliable fixing of the first rotating connector 13 by the fixing ring 116 enhances the overall strength of the lawnmower motor housing 1 connection, improves the adaptability and impact resistance of the entire device to complex outdoor environments, and effectively extends the service life of the lawnmower motor.

[0029] A sealing ring groove is formed between the upper housing 11 and the fixed base 2. The sealing ring groove is located on the upper side of the first rotating connector 13. A sealing element 3 is provided on the sealing ring groove, and the inner and outer diameters of the sealing element 3 respectively seal and abut against the fixed base 2 and the upper housing 11. In terms of protection, this embodiment effectively prevents dust, mud, water, and other impurities from entering the motor, avoiding corrosion and wear on motor components and greatly extending the motor's service life. In terms of waterproofing, it can prevent rainwater penetration, ensuring stable operation of the motor in humid or even harsh outdoor lawn mowing environments and reducing the risk of short circuit failures caused by water ingress. From a stability perspective, the tight abutment of the sealing element 3 helps to enhance the stability of the connection between the upper housing 11 and the fixed base 2, reducing loosening caused by vibration and ensuring structural stability during motor operation.

[0030] A mounting cavity 121 is formed between the lower housing 12 and the fixed base 2. A drive module 122 is disposed within the mounting cavity 121. The fixed end of the drive module 122 is connected to the fixed base 2, and its output end is connected to the upper housing 11. In this embodiment, the fixed end of the drive module 122 is securely connected to the fixed base 2, ensuring stable support for the entire mechanism and effectively resisting vibrations and impacts generated during mowing operations, reducing the risk of component wear and failure due to shaking. Its output end is connected to the upper housing 11, enabling the drive module 122 to accurately transmit power to the upper housing 11 and its supported components, such as mowing blades, achieving efficient and stable power transmission.

[0031] The first connecting part 111 is provided with a first fixed step 1111, which is used to fix the outer diameter of the first rotating connector 13. The lower housing 12 is provided with a second fixed step 124, which is used to fix the outer diameter of the second rotating connector 14. Both the first rotating connector 13 and the second rotating connector 14 are bearings. In this embodiment, the precise fixing of the outer diameter of the first rotating connector 13 by the first fixed step 1111 ensures accurate axial positioning of the motor rotor during operation, effectively reducing vibration and noise caused by axial movement, and improving the stability and reliability of motor operation. The stabilizing effect of the second fixed step 124 on the outer diameter of the second rotating connector 14 further enhances the rigidity of the entire motor structure, ensuring that the motor can maintain good operating conditions even when subjected to complex external forces from mowing operations. As a rotating connector, the bearing has the characteristics of low friction and high load-bearing capacity, which can significantly reduce energy loss during motor operation, improve motor efficiency, and extend motor service life.

[0032] The lower housing 12 is provided with an insertion part 123, which is used to insert into the second connecting part 112. The bottom surface of the lower housing 12 is flush with the bottom surface of the upper housing 11. Specifically, the second connecting part 112 is provided with an assembly step 1121, and the insertion part 123 is used to insert into the assembly step 1121. The outer periphery of the insertion part 123 is provided with a groove 1231 to accommodate the connecting medium and fix it to the assembly step 1121. In this embodiment, the insertion part 123 is precisely inserted into the assembly step 1121, ensuring the positioning accuracy of the upper and lower housings 12 during connection, greatly improving assembly efficiency and accuracy, and avoiding the structural instability of the motor housing 1 caused by connection position deviation. The groove 1231 on the outer periphery of the insertion part 123, in terms of accommodating the connecting medium and fixing it to the mounting step 1121, allows the connecting medium to fill the groove 1231, resulting in a tight fit with the mounting step 1121. This not only enhances the stability of the connection between the upper and lower housings 12, but also effectively resists vibrations and impacts generated during mowing operations, preventing loosening of the housing connection and extending the service life of the motor housing 1. The design of the bottom surface of the lower housing 12 being relatively flush with the bottom surface of the upper housing 11 makes the overall appearance of the motor housing 1 smoother and more streamlined, improving the overall aesthetics of the product.

[0033] The lawnmower motor with the aforementioned housing 1 connection structure ensures structural stability by guaranteeing a tight fit between all parts of the motor housing 1, effectively resisting vibrations and impacts generated during lawnmower operations. This prevents internal motor components from loosening due to shaking, thereby extending the motor's lifespan and reducing the failure rate caused by structural instability. In terms of protection, the optimized connection structure enhances the motor's sealing performance. It effectively prevents dust, mud, and other debris from entering the motor, avoiding corrosion and damage to critical components such as the motor windings and circuitry, and improving the motor's reliability in harsh outdoor working environments.

[0034] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A mower motor housing connection structure, characterized by: The device includes an outer shell and a fixed base. The outer shell includes an upper shell and a lower shell. The upper shell has a first connecting part at one end and a second connecting part at the second end. The lower shell is disposed at the second connecting part. The first connecting part has a first rotating connector. The lower shell has a second rotating connector at one end near the first rotating connector. The two ends of the fixed base are respectively connected to the first rotating connector and the second rotating connector.

2. The lawn mower motor housing connecting structure according to claim 1, characterized in that: The outer periphery of the upper housing is provided with a plurality of mounting protrusions, and the mounting protrusions are provided with mounting holes.

3. The mower motor housing connection structure of claim 2, wherein: The mounting holes are arranged along the axial direction of the upper housing, and there are two mounting holes, which are arranged opposite each other at both ends of the mounting protrusion.

4. The mower motor housing connection structure of claim 1, wherein: The upper housing is provided with a fixing groove on one side of the first rotating connector, and a fixing ring is provided in the fixing groove. The fixing ring is used to fix the first rotating connector to the first connecting part of the upper housing.

5. The lawnmower motor housing connection structure according to claim 1, characterized in that: A sealing ring groove is formed between the upper housing and the fixed base. The sealing ring groove is located on the upper side of the first rotating connector. A sealing element is provided on the sealing ring groove. The inner and outer diameters of the sealing element respectively seal against the fixed base and the upper housing.

6. The lawnmower motor housing connection structure according to claim 1, characterized in that: A mounting cavity is formed between the lower housing and the fixed base. A drive module is installed in the mounting cavity. The fixed end of the drive module is connected to the fixed base, and the output end is connected to the upper housing.

7. The lawnmower motor housing connection structure according to claim 1, characterized in that: The first connecting part is provided with a first fixed step, which is used to fix the outer diameter of the first rotating connector. The lower housing is provided with a second fixed step, which is used to fix the outer diameter of the second rotating connector. Both the first rotating connector and the second rotating connector are bearings.

8. The lawnmower motor housing connection structure according to claim 1, characterized in that: The lower housing is provided with an insertion part for insertion into the second connecting part, and the bottom surface of the lower housing is flush with the bottom surface of the upper housing.

9. The lawnmower motor housing connection structure according to claim 8, characterized in that: The second connecting part is provided with an assembly step, and the insertion part is used to be inserted into the assembly step. The outer periphery of the insertion part is provided with a groove to accommodate the connecting medium and fix it to the assembly step.

10. A lawnmower motor, characterized in that: Includes the lawnmower motor housing connection structure as described in any one of claims 1 to 9.

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