Lawn mower

Abstract

This invention relates to the field of garden tools, and in particular to a lawnmower. It includes a housing, a cutting mechanism, a shock-absorbing mechanism, a guiding mechanism, and a height adjustment mechanism for adjusting the cutting height of the cutting mechanism. The housing has a sliding channel in which the cutting mechanism is installed and can slide to adjust the cutting height. The shock-absorbing mechanism has a first elastic deformation portion and a second elastic deformation portion. The guiding mechanism is connected to the shock-absorbing mechanism, and the two mechanisms can slide relative to each other along the height adjustment direction of the cutting mechanism. The shock-absorbing mechanism and the guiding mechanism are respectively installed on the cutting mechanism and the housing. The first elastic deformation portion elastically abuts against the guiding mechanism to limit the swaying and tilting of the cutting mechanism relative to the height adjustment direction; the second elastic deformation portion elastically abuts against the guiding mechanism to limit the radial swaying of the cutting mechanism. The advantages are: avoiding tilting and vibration of the cutting mechanism during operation, reducing noise, and improving the user experience.

Description

Technical Field

[0001] This invention relates to the field of garden tools, and in particular to a lawnmower. Background Technology

[0002] Currently, the noise generated by lawnmowers on the market is generally due to gaps between the cutting mechanism and the assembly, which easily produce vibration noise. Furthermore, the cutting mechanism is prone to tilting during height adjustment, making it even more noisy during operation and affecting the user experience. To solve the noise problem, some methods reduce vibration noise by decreasing the gap between the cutting mechanism and the assembly; others add an elastic element between the cutting mechanism and the assembly to compensate for design and assembly errors. However, this elastic element only works in one direction, often requiring multiple elements to achieve noise reduction, increasing costs and reducing production efficiency. Summary of the Invention

[0003] In view of the shortcomings of the prior art described above, the purpose of this invention is to provide a lawnmower that solves the problems of noise generation and poor user experience in existing lawnmowers.

[0004] To achieve the above and other related objectives, the present invention provides a lawnmower, comprising:

[0005] A housing, wherein a sliding channel is provided on the housing;

[0006] A cutting mechanism is installed within the sliding channel and is capable of sliding along the sliding channel to adjust its height;

[0007] A height adjustment mechanism is used to adjust the cutting height of the cutting mechanism;

[0008] A shock-absorbing mechanism, comprising a shock-absorbing base and a first elastic deformation portion and a second elastic deformation portion disposed on the shock-absorbing base;

[0009] A guiding mechanism is connected to the shock-absorbing mechanism, and the guiding mechanism and the shock-absorbing mechanism are capable of relative sliding along the height adjustment direction of the cutting mechanism; one of the shock-absorbing mechanism and the guiding mechanism is mounted on the cutting mechanism, and the other is mounted on the housing;

[0010] The first elastic deformation portion elastically abuts against the guide mechanism to limit the swaying and tilting of the cutting mechanism relative to the height adjustment direction; the second elastic deformation portion elastically abuts against the guide mechanism to limit the radial swaying of the cutting mechanism.

[0011] In one alternative embodiment, the cutting mechanism is provided with a mounting groove, the guide mechanism is installed in the mounting groove, and the shock absorption mechanism is installed on the housing; or the shock absorption mechanism is installed in the mounting groove, and the guide mechanism is installed on the housing.

[0012] In an optional embodiment, the guiding mechanism includes a guide seat with two guide plates disposed opposite each other on the guide seat. A guide groove is formed between the two guide plates along the height adjustment direction. The first elastic deformation portion of the shock absorption mechanism extends into the guide groove and abuts against the inner wall of the guide plate.

[0013] In an optional embodiment, the first elastic deformation portion includes two opposing first elastic plates, one end of which is connected to the shock absorber seat, and the other end is a suspended end. The suspended end of the first elastic plate extends into the guide groove and abuts against the inner wall of the guide plate.

[0014] In an optional embodiment, the suspended end of the first elastic plate is provided with a first protrusion protruding in the direction of the guide plate, and the first protrusion has an arcuate surface that contacts the inner wall of the guide plate.

[0015] In an alternative embodiment, the guide plate is provided with a guide surface on the side near the shock absorption mechanism for guiding the first elastic deformation portion into the guide groove.

[0016] In an optional embodiment, the guide seat is provided with a limiting part protruding toward the shock-absorbing mechanism, the limiting part being located between the two guide plates, and the second elastic deformation part of the shock-absorbing mechanism abuts against the limiting part along the radial direction of the cutting mechanism.

[0017] In an optional embodiment, the second elastic deformation portion includes two opposing second elastic plates, the first end of the second elastic plate being connected to the shock absorber seat, the other end being suspended and bent relative to the first end of the second elastic plate, and the suspended end of the second elastic plate abutting against the limiting portion.

[0018] In one alternative embodiment, the bending directions of the two second elastic plates are opposite or opposite to each other.

[0019] In an optional embodiment, the suspended end of the second elastic plate is provided with a second protrusion protruding in the direction of the limiting part, and the second protrusion has an arcuate surface that contacts the limiting part.

[0020] In an alternative embodiment, the limiting portion is formed by the guide seat arching in the direction of the shock absorption mechanism.

[0021] In an optional embodiment, the guide seat is provided with a connecting part, which is connected to the cutting mechanism by fasteners.

[0022] In one alternative embodiment, the guide plate, the limiting portion, and the guide seat are integrally formed.

[0023] In one alternative embodiment, the first elastic deformation portion, the second elastic deformation portion, and the shock-absorbing seat are integrally formed.

[0024] In one optional embodiment, at least three sets of the guide mechanisms are evenly arranged along the circumference of the cutting mechanism, and the shock absorption mechanism corresponds one-to-one with the guide mechanism.

[0025] As described above, the lawnmower provided by the present invention uses a guide mechanism and a shock-absorbing mechanism to make the cutting mechanism elastically fixed, thereby avoiding tilting and vibration of the cutting mechanism during operation, reducing noise, and improving the user experience. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 The diagram shown is a schematic representation of the overall structure of the lawnmower according to an embodiment of the present invention.

[0028] Figure 2 The diagram shows the structure of the lawnmower after the cover has been removed according to an embodiment of the present invention.

[0029] Figure 3 Displayed as Figure 2 A magnified schematic diagram of part A in the middle;

[0030] Figure 4 The image shown is a cross-sectional view of the cutting mechanism, shock absorption mechanism, and guiding mechanism after assembly according to an embodiment of the present invention.

[0031] Figure 5 The diagram shows an assembly of the cutting mechanism, shock absorption mechanism, guiding mechanism, and height adjustment mechanism according to an embodiment of the present invention.

[0032] Figure 6 The diagram shows the connection of the cutting mechanism, shock absorption mechanism, guiding mechanism, and height adjustment mechanism in an embodiment of the present invention.

[0033] Figure 7 Displayed as Figure 6 A sectional view;

[0034] Figure 8 The diagram shown is a structural schematic of the shock absorption mechanism according to an embodiment of the present invention.

[0035] Figure 9 The diagram shown is a structural schematic of the guiding mechanism according to an embodiment of the present invention.

[0036] Figure 10 The diagram shown is a structural schematic of a guide mechanism according to another embodiment of the present invention.

[0037] Part Number Explanation

[0038] 1-Casing; 11-Base; 111-Sliding channel; 12-Cover;

[0039] 2-Cutting mechanism; 21-Base; 211-Mounting groove; 212-Protrusion; 2121-Threaded hole; 22-Prime mover;

[0040] 3-Height adjustment mechanism; 31-Driver; 311-Main gear; 32-Adjusting component; 321-Driven gear; 322-Height adjustment screw;

[0041] 4-Shock damping mechanism; 41-Shock damping seat; 411-Slot; 42-First elastic deformation part; 421-First elastic plate; 4211-First protrusion; 43-Second elastic deformation part; 431-Second elastic plate; 4311-Second protrusion;

[0042] 5-Guiding mechanism; 51-Guiding seat; 52-Guiding plate; 521-Guiding surface; 53-Limiting part; 54-Guiding groove; 55-Connecting part;

[0043] 6- Walking mechanism. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] Furthermore, the terms such as "upper," "lower," "left," "right," and "one" used in this specification are merely for clarity of description and are not intended to limit the scope of the invention. Any changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention.

[0046] Please see Figure 1 and Figure 2This invention provides a lawnmower for maintaining and trimming lawns and vegetation. To adapt to different terrain environments, the cutting height of the lawnmower is adjustable, and the cutting mechanism 2 is prevented from tilting and vibrating during operation, thus avoiding noise and improving the user experience. The technical solution provided in this application is applicable not only to electric lawnmowers but also to other types of lawnmowers, such as walkie-talkies, push-type lawnmowers, and ride-on lawnmowers, or lawnmowers powered by gasoline engines, solar energy, or other sources.

[0047] Please see Figures 1 to 10 This invention provides a lawnmower, comprising a housing 1, a cutting mechanism 2, a height adjustment mechanism 3, a shock absorption mechanism 4, and a guiding mechanism 5. The housing 1 has a sliding channel 111, within which the cutting mechanism 2 is mounted and can slide. The height adjustment mechanism 3 drives the cutting mechanism 2 to slide along the sliding channel 111 to adjust its cutting height. The guiding mechanism 5 is connected to the shock absorption mechanism 4, and the two mechanisms can slide relative to each other along the height adjustment direction of the cutting mechanism 2 to provide height guidance. One of the shock absorption mechanism 4 and the guiding mechanism 5 is mounted on the cutting mechanism 2, and the other is mounted on the housing 1. The shock absorption mechanism 4 includes a shock absorption seat 41 and a first elastic deformation portion 42 and a second elastic deformation portion 43 disposed on the shock absorption seat 41. The first elastic deformation portion 42 elastically abuts against the guiding mechanism 5 to limit the swaying and tilting of the cutting mechanism 2 relative to the height adjustment direction; the second elastic deformation portion 43 elastically abuts against the guiding mechanism 5 to limit the radial swaying of the cutting mechanism 2.

[0048] Optional, see Figure 1 and Figure 2 In one specific embodiment of the present invention, the housing 1 includes a base 11 and a cover 12 that cooperates with the base 11. A sliding channel 111 is disposed through the base 11. The cutting mechanism 2 can slide within the sliding channel 111 and extends at least partially out of the sliding channel 111 in a direction away from the cover 12, so that the cutting mechanism 2 can cut lawns, vegetation, etc. In this embodiment, the sliding channel 111 is parallel to the axis of the cutting mechanism 2, that is, the height adjustment direction is parallel to the axis of the cutting mechanism 2.

[0049] Optional, see Figure 1 and Figure 2 In this embodiment, a walking mechanism 6 is also installed on the base 11 to allow the lawnmower to move as a whole during operation. The walking mechanism 6 includes two drive wheels and two driven wheels. The two drive wheels can be connected by a rotating shaft. Its specific structure is prior art and will not be described in detail here.

[0050] See Figures 2 to 7 In some embodiments of the present invention, the cutting mechanism 2 is provided with a mounting groove 211, the guide mechanism 5 is installed in the mounting groove 211, and the shock-absorbing mechanism 4 is installed on the housing 1; or the shock-absorbing mechanism 4 is installed in the mounting groove 211, and the guide mechanism 5 is installed on the housing 1. By providing a mounting groove 211 on the cutting mechanism 2, not only can the shock-absorbing mechanism 4 and the guide mechanism 5 be disassembled and replaced as needed, facilitating maintenance; but also, as independent components, the shock-absorbing mechanism 4 and the guide mechanism 5 can be manufactured and processed separately, and suitable production materials can be selected, ensuring fitting accuracy and reducing processing difficulty.

[0051] Optionally, in one specific embodiment of the present invention, the shock-absorbing mechanism 4 and the guiding mechanism 5 may be made of metal materials, such as aluminum profiles.

[0052] See Figures 4 to 6 , Figures 8 to 10 In some embodiments of the invention, the guiding mechanism 5 includes a guiding seat 51, on which two guiding plates 52 are disposed opposite each other. A guiding groove 54 is formed between the two guiding plates 52 along the height adjustment direction. The first elastic deformation portion 42 of the shock-absorbing mechanism 4 extends into the guiding groove 54 and abuts against the inner wall of the guiding plate 52. This allows relative sliding between the guiding mechanism 5 and the shock-absorbing mechanism 4, achieving height adjustment guidance and preventing the cutting mechanism from swaying and tilting in the height adjustment direction. This avoids tilting and vibration of the cutting mechanism 2 during operation and prevents noise caused by vibration.

[0053] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In a specific embodiment of the present invention, the first elastic deformation part 42 includes two opposing first elastic plates 421. One end of the first elastic plate 421 is connected to the shock absorber 41, and the other end is a suspended end. The suspended end of the first elastic plate 421 extends into the guide groove 54 and abuts against the inner wall of the guide plate 52.

[0054] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In a specific embodiment of the present invention, the suspended end of the first elastic plate 421 is provided with a first protrusion 4211 protruding in the direction of the guide plate 52. The first protrusion 4211 has an arcuate surface that contacts the inner wall of the guide plate 52. The protruding direction of the first protrusion 4211 is towards the inner wall of the guide plate 52, so that the first protrusion 4211 entering the guide groove 54 can elastically abut against the inner wall of the corresponding guide plate 52, avoiding swaying and tilting due to gaps; and through the arcuate surface contact, it is not only beneficial for the first protrusion 4211 to slide relative to the guide plate 52, but also avoids damage to the inner wall of the guide plate 52 during the sliding process, thus extending the service life.

[0055] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In a specific embodiment of the present invention, the first elastic plate 421 may be vertically disposed on the shock absorber seat 41.

[0056] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In a specific embodiment of the present invention, the first elastic plate 421 may also be inclinedly disposed on the damping seat 41, and the included angle formed between the first elastic plate 421 and the damping seat 41 is greater than 90°, such that the distance between the two first elastic plates 421 gradually increases from the end closer to the damping seat 41 to the end farther away from the damping seat 41. Specifically, the cross-section of the channel formed between the two first elastic plates 421 is funnel-shaped.

[0057] Optional, see Figures 3 to 6 as well as Figure 8 In one specific embodiment of the present invention, a connecting plate is provided at least one end of the shock absorber 41. The connecting plate protrudes from the side of the shock absorber 41 facing the guide mechanism 5, and the second elastic deformation portion 43 protrudes from the end of the connecting plate to prevent the second elastic deformation portion 43 from failing to elastically abut against the limiting portion 53 due to interference from the connecting plate. When the shock absorber 41 is installed on the cutting mechanism 2 or on the base 11, it can be connected to the connecting plate by a locking member to fix the shock absorber 41 on the cutting mechanism 2 or the base 11. In this embodiment, the shock absorber 41 is installed on the base 11. The connecting plate and the shock absorber 41 can be integrally formed.

[0058] See Figures 4 to 6 , Figure 8 and Figure 9 In some embodiments of the present invention, the guide plate 52 is provided with a guide surface 521 on the side near the shock absorption mechanism 4 for guiding the first elastic deformation part 42 into the guide groove 54.

[0059] Optional, see Figure 4 and Figure 9 In a specific embodiment of the present invention, the guide surface 521 can be an arc-shaped surface, which is beneficial to guiding the first elastic deformation part 42 to slide into the guide groove 54 along the guide surface 521.

[0060] Optional, see Figure 4 and Figure 9 In a specific embodiment of the present invention, the guide surface 521 may also be an inclined surface, and the cross-section of the channel formed by the guide surfaces 521 on the two guide plates 52 is funnel-shaped, with the opening width at the end near the guide seat 51 being smaller than the opening width at the end away from the guide seat 51.

[0061] See Figures 4 to 6 , Figure 8 and Figure 9 In some embodiments of the present invention, a limiting part 53 protruding toward the shock-absorbing mechanism 4 is provided on the guide seat 51. The limiting part 53 is located between two guide plates 52. The second elastic deformation part 43 of the shock-absorbing mechanism 4 abuts against the limiting part 53 along the radial direction of the cutting mechanism 2 to prevent the cutting mechanism 2 from shaking in the radial direction and to avoid vibration generating noise.

[0062] In some embodiments of the present invention, the second elastic deformation part 43 can also directly abut against the guide seat 51 along the radial direction of the cutting mechanism 2, that is, the second elastic deformation part 43 directly and elastically abuts against the bottom of the guide groove 54 to prevent the cutting mechanism 2 from shaking in the radial direction and avoid vibration and noise.

[0063] See Figures 4 to 6 , Figure 8 and Figure 9 In some embodiments of the present invention, the second elastic deformation portion 43 includes two opposing second elastic plates 431. The first end of the second elastic plate 431 is connected to the shock absorber 41, and the other end is suspended and bent relative to the first end of the second elastic plate 431. The suspended end of the second elastic plate 431 abuts against the limiting portion 53.

[0064] Optionally, in some embodiments of the present invention, the bending directions of the two second elastic plates 431 are opposite or opposite, and the two elastic plates 431 are symmetrically distributed. See also Figure 8 In this embodiment, the bending directions of the two second elastic plates 431 are opposite.

[0065] Optional, see Figure 8 In a specific embodiment of the present invention, the first end of the second elastic plate 431 is perpendicular to the shock absorber 41, and the second end of the second elastic plate 431 is bent into an arc shape.

[0066] Optional, see Figure 5 and Figure 8 In one specific embodiment of the present invention, the shock absorber seat 41 is further provided with a slot 411 penetrating through the shock absorber seat 41. The slot 411 is located between the first ends of the two second elastic plates 431. By providing the slot 411, it is beneficial to improve the deformation capacity of the second elastic plates 431 so that the second elastic plates 431 can elastically contact the limiting part 53. The slot 411 can also be a blind slot, or in other embodiments, the slot 411 may not be provided.

[0067] Optional, see Figures 4 to 6 , Figure 8 and Figure 9In a specific embodiment of the present invention, the suspended end of the second elastic plate 431 is provided with a second protrusion 4311 protruding in the direction of the limiting part 53. The second protrusion 4311 has an arcuate surface that contacts the limiting part 53. The protruding direction of the second protrusion 4311 is towards the limiting part 53, so that the arcuate surface of the second protrusion 4311 directly and elastically abuts against the limiting part 53, which not only ensures the stability of the contact and avoids shaking due to gaps, but also avoids damage to the limiting part 53 during sliding.

[0068] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In a specific embodiment of the present invention, when the bending directions of the two second elastic plates 431 are opposite, a gap is left between the two second protrusions 4311 to provide space for elastic deformation.

[0069] Optional, see Figures 4 to 6 , Figure 8 and Figure 9 In one specific embodiment of the present invention, the second protrusion 4311 can be a cylinder, a semi-cylinder, or a three-quarter cylinder, wherein the arcuate surface of the second protrusion 4311 elastically contacts the limiting portion 53. The cross-sectional width of the second protrusion 4311 is greater than the cross-sectional width of the second end of the second elastic plate 431, which helps to ensure that the second protrusion 4311 contacts the limiting portion 53 and prevents other parts of the second end of the second elastic plate 431 from contacting the limiting portion 53.

[0070] In some embodiments of the present invention, the number of second elastic plates 431 may be one. The two ends of the second elastic plate 431 are connected to the shock absorber 41. The portion between the two ends of the second elastic plate 431 arches away from the shock absorber 41 and can elastically abut against the limiting portion 53.

[0071] See Figures 4 to 6 , Figure 8 and Figure 9 In some embodiments of the present invention, the limiting part 53 is formed by the guide seat 51 arching in the direction of the shock absorption mechanism 4.

[0072] Optional, see Figure 9 In one specific embodiment of the present invention, the cross-section of the limiting part 53 is U-shaped.

[0073] See Figures 2 to 5 as well as Figure 10 In some embodiments of the present invention, the guide mechanism 5 is installed in the mounting groove 211, and the shock absorption mechanism 4 is installed on the base 11 of the housing 1. A connecting part 55 is provided on the guide seat 51, and the connecting part 55 is connected to the cutting mechanism 2 by fasteners. The fasteners can be screws or bolts.

[0074] Optional, see Figure 4 and Figure 10 In one specific embodiment of the present invention, the first end of the connecting part 55 is connected to the side of the guide seat 51 facing away from the shock-absorbing mechanism 4, and the second end of the connecting part 55 is provided with a ring. The ring can be a closed ring or an open ring with an opening. In this embodiment, the ring is an open ring with an opening. When connected, the fastener cooperates with the ring to fix the guide mechanism 5 on the cutting mechanism 2.

[0075] Optional, see Figures 3 to 5 as well as Figure 10 In one specific embodiment of the present invention, the limiting part 53 is recessed on the side facing the mounting groove 211 to form a receiving space, and the connecting part 55 can be disposed within the receiving space. The connecting part 55 does not extend out of the receiving space, that is, the connecting part 55 does not abut against the bottom of the mounting groove 211. This structural design allows the guide seat 51 to directly fit against the bottom of the mounting groove 211, resulting in more stable and precise assembly. Furthermore, the receiving space extends through the guide seat 51 along the cutting height direction, allowing the guide mechanism 5 to undergo elastic deformation under a certain force, making it simpler and more convenient to insert the guide mechanism 5 into the mounting groove 211.

[0076] See Figures 1 to 10 In some embodiments of the present invention, the guide plate 52, the limiting part 53 and the guide seat 51 can be integrally formed.

[0077] See Figures 2 to 10 In some embodiments of the present invention, the first elastic deformation portion 42, the second elastic deformation portion 43 and the shock absorber 41 can be integrally formed.

[0078] See Figure 2 , Figures 4 to 6 In some embodiments of the present invention, at least three sets of guide mechanisms 5 are uniformly arranged circumferentially on the cutting mechanism 2, and the shock-absorbing mechanism 4 corresponds one-to-one with the guide mechanism 5. The shock-absorbing mechanism 4 and the guide mechanism 5, which cooperate with each other, are distributed radially along the cutting mechanism 2.

[0079] Optional, see Figure 5 In a specific embodiment of the present invention, three sets of guiding mechanisms 5 and three sets of shock-absorbing mechanisms 4 are provided. The three sets of guiding mechanisms 5 are evenly distributed along the circumference of the cutting mechanism 2 and installed in the mounting groove 211. The three sets of shock-absorbing mechanisms 4 are also evenly distributed along the circumference of the cutting mechanism 2 and slide in a one-to-one correspondence with the guiding mechanisms 5.

[0080] See Figure 3 , Figures 5 to 7In some embodiments of the present invention, the height adjustment mechanism 3 includes a driving member 31 and an adjusting member 32 linked with the driving member 31. The adjusting member 32 cooperates with the cutting mechanism 2 to drive the cutting mechanism 2 to move along the cutting height direction.

[0081] Optional, see Figure 2 , Figures 5 to 7 In one specific embodiment of the present invention, the driving component 31 can be a motor, the output end of which is connected to a main gear 311. The adjusting component 32 includes a height adjusting screw 322 and a driven gear 321 meshing with the main gear 311. One end of the height adjusting screw 322 is fixedly connected to the driven gear 321, and the other end of the height adjusting screw 322 is threadedly connected to the cutting mechanism 2. The driving component 31 drives the main gear 311 to rotate, and the main gear 311 drives the height adjusting screw 322 to rotate through the driven gear 321, thereby causing the cutting mechanism 2 to move and adjust the cutting height. The driving component 31 is a motor, so that by controlling the forward and reverse rotation of the motor, the up and down movement of the cutting mechanism 2 can be controlled, thereby achieving the purpose of adjusting the height.

[0082] Optionally, in a specific embodiment of the present invention, the driving component can be a knob, and the adjusting component can be a height adjusting screw. One end of the height adjusting screw is threadedly connected to the cutting mechanism, and the other end is directly connected to the driving component. Rotating the knob directly drives the height adjusting screw to rotate, thereby moving the cutting mechanism to adjust the cutting height. The knob can also be equipped with an indicator label, and the cover is equipped with a position label that corresponds to the indicator label. When the knob is rotated, the indicator label can point to different position labels, thus allowing the operator to easily and quickly know the cutting height.

[0083] Optional, see Figure 3 , Figures 5 to 7 In one specific embodiment of the present invention, the height adjustment mechanism 3 is mounted on the base 11 of the housing 1.

[0084] See Figure 2 , Figure 3 , Figures 5 to 7 In some embodiments of the present invention, the cutting mechanism 2 includes a base 21, a prime mover 22 mounted on the base 21, and a cutter assembly (not shown) mounted on the output shaft of the prime mover 22. The base 21 can be a cylindrical container with its opening facing upwards. The prime mover 22 is installed inside the container, and its output shaft extends downwards through the bottom of the container and out of the container. The cutter assembly is located outside the container. The prime mover 22 can be an electric motor, a gasoline engine, or other power mechanism. In this embodiment, the prime mover 22 is an electric motor. The high-speed rotation of the output shaft of the prime mover 22 drives the cutter assembly to rotate at high speed, which is beneficial for cutting lawns, vegetation, etc.

[0085] Optional, see Figure 2 , Figure 3 , Figures 5 to 7 In a specific embodiment of the present invention, the mounting groove 211 is disposed on the outer side wall of the base 21. When there are multiple mounting grooves 211, the multiple mounting grooves 211 are evenly distributed along the circumference of the base 21.

[0086] Optional, see Figure 2 , Figure 3 , Figures 5 to 7 In one specific embodiment of the present invention, there are three mounting slots 211, which are evenly distributed along the circumference of the base 21.

[0087] Optional, see Figure 2 , Figure 3 , Figures 5 to 7 In a specific embodiment of the present invention, the mounting groove 211 is formed by the side wall of the base 21 arching inward. This structural design can provide sufficient installation space for the shock absorption mechanism 4 or the guide mechanism 5, while avoiding the occupation of too much external space.

[0088] Optional, see Figure 2 , Figure 3 , Figures 5 to 7 In one specific embodiment of the present invention, a protrusion 212 is provided on the outer wall of the base 21. The protrusion 212 protrudes radially from the base 21, and a threaded hole 2121 is provided on the protrusion 212 along the axial direction of the base 21, that is, the axial direction of the threaded hole 2121 is parallel to the cutting height direction. The threaded hole 2121 contains an internal thread that mates with the external thread on the adjusting member 32. The upper end of the adjusting member 32 is threadedly engaged with the threaded hole 2121, thereby causing the adjusting member 32 to move the base 21 along the cutting height direction during rotation, thus achieving adjustment of the cutting height. The protrusion 212 can be arranged opposite to one set of damping mechanisms 4 and guiding mechanisms 5, and the upper end of the adjusting member 32 is connected to the threaded hole 2121. This structural design not only makes the structural layout compact and reduces space occupation, but also helps to improve the balance of the structural layout. To make the engagement of the external and internal threads smoother during adjustment, the adjusting member 32 is provided with multiple threads. In this embodiment, the adjusting member 32 is provided with at least three threads.

[0089] When using the lawnmower provided in this application to cut lawns, vegetation, etc., the adjusting component 32 is first rotated by the drive component 31 of the height adjustment mechanism 3, so that the adjusting component 32 drives the cutting mechanism 2 to slide along the sliding channel 111 on the base 11, thereby adjusting the height of the cutting mechanism 2. During the adjustment of the cutting height of the cutting mechanism 2, the first elastic deformation part 42 of the shock absorption mechanism 4 can undergo elastic deformation and cooperate with the guide seat 51 of the guide mechanism 5 to achieve elastic contact. By elastically fixing the cutting mechanism 2, it provides guidance for the lifting and lowering of the cutting mechanism 2 in the cutting height direction, and avoids the cutting mechanism 2 from swaying and tilting in the height adjustment direction. Furthermore, the second elastic deformation part 43 of the shock absorption mechanism 4 can undergo elastic deformation and cooperate with the limiting part 53 of the guide mechanism 5 to achieve elastic contact, compensating for the assembly gap, avoiding shaking caused by the gap, and effectively preventing the cutting mechanism 2 from shaking in the radial direction, thereby avoiding the cutting mechanism 2 from tilting, vibrating, and generating noise during operation.

[0090] The lawnmower provided in this application provides a precise sliding track for the cutting mechanism 2 in the height adjustment direction through the cooperation of the shock absorption mechanism 4 and the guide mechanism 5. At the same time, the shock absorption mechanism 4 and the guide mechanism 5 also restrict the swaying of the cutting mechanism 2 in the radial direction. By elastically fixing the cutting mechanism 2 from multiple directions, noise caused by vibration during operation is avoided, thereby achieving the purpose of noise reduction, improving the user experience, and improving the stability of product quality.

[0091] In the description of this specification, the references to terms such as "this embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0092] The embodiments of the present invention disclosed above are merely illustrative of the invention. The embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lawnmower, characterized in that, include: A housing, wherein a sliding channel is provided on the housing; A cutting mechanism is installed within the sliding channel and is capable of sliding along the sliding channel to adjust its height; A height adjustment mechanism is used to adjust the cutting height of the cutting mechanism; A shock-absorbing mechanism, comprising a shock-absorbing base and a first elastic deformation portion and a second elastic deformation portion disposed on the shock-absorbing base; A guiding mechanism is connected to the shock-absorbing mechanism, and the guiding mechanism and the shock-absorbing mechanism are capable of relative sliding along the height adjustment direction of the cutting mechanism; one of the shock-absorbing mechanism and the guiding mechanism is mounted on the cutting mechanism, and the other is mounted on the housing; The first elastic deformation portion elastically abuts against the guide mechanism to limit the swaying and tilting of the cutting mechanism relative to the height adjustment direction. The guide mechanism includes a guide seat with two guide plates opposite each other, forming a guide groove along the height adjustment direction between the two guide plates. The first elastic deformation portion of the shock absorption mechanism extends into the guide groove and abuts against the inner wall of the guide plate. The second elastic deformation portion elastically abuts against the guide mechanism to limit the swaying of the cutting mechanism in the radial direction. The guide seat has a limiting portion protruding towards the shock absorption mechanism, located between the two guide plates. The second elastic deformation portion of the shock absorption mechanism abuts against the limiting portion along the radial direction of the cutting mechanism. The second elastic deformation portion includes two oppositely arranged second elastic plates. The first end of the second elastic plate is connected to the shock absorption seat, and the other end is suspended and bent relative to the first end of the second elastic plate. The suspended end of the second elastic plate abuts against the limiting portion.

2. The lawnmower according to claim 1, characterized in that: The cutting mechanism is provided with a mounting groove, the guiding mechanism is installed in the mounting groove, and the shock absorption mechanism is installed on the housing; or the shock absorption mechanism is installed in the mounting groove, and the guiding mechanism is installed on the housing.

3. The lawnmower according to claim 1, characterized in that: The first elastic deformation part includes two opposing first elastic plates. One end of the first elastic plate is connected to the shock absorber seat, and the other end is a suspended end. The suspended end of the first elastic plate extends into the guide groove and abuts against the inner wall of the guide plate.

4. The lawnmower according to claim 3, characterized in that: The suspended end of the first elastic plate is provided with a first protrusion protruding in the direction of the guide plate, and the first protrusion has an arc-shaped surface that contacts the inner wall of the guide plate.

5. The lawnmower according to claim 1, characterized in that: The guide plate has a guide surface on the side near the shock absorption mechanism for guiding the first elastic deformation part into the guide groove.

6. The lawnmower according to claim 1, characterized in that: The two second elastic plates bend in opposite or opposite directions.

7. The lawnmower according to claim 1, characterized in that: The suspended end of the second elastic plate is provided with a second protrusion protruding in the direction of the limiting part, and the second protrusion has an arc-shaped surface that contacts the limiting part.

8. The lawnmower according to claim 1, characterized in that: The limiting part is formed by the guide seat arching in the direction of the shock absorption mechanism.

9. The lawnmower according to claim 1, characterized in that: The guide seat is provided with a connecting part, which is connected to the cutting mechanism by fasteners.

10. The lawnmower according to claim 1, characterized in that: The guide plate, the limiting part, and the guide seat are integrally formed.

11. The lawnmower according to claim 1, characterized in that: The first elastic deformation part, the second elastic deformation part, and the shock absorber are integrally formed.

12. The lawnmower according to claim 1, characterized in that: At least three sets of guide mechanisms are evenly arranged along the circumference of the cutting mechanism, and the shock absorption mechanism corresponds to each of the guide mechanisms.

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