Grass trimmer

Abstract

The utility model provides a grass trimmer which comprises a fixing rod, an adjusting rod and a grass trimming assembly, the grass trimming assembly comprises a fixing sleeve installed outside one end of the adjusting rod, the front portion of the fixing sleeve is rotationally connected with a grass trimmer head, a splash guard is fixedly installed at the bottom of the grass trimmer head, and a protection mechanism is arranged outside the grass trimmer head. A protection mechanism is arranged outside the grass mowing machine head, the protection mechanism comprises a plurality of jacking springs which are installed at the bottom of the grass mowing machine head at equal intervals and correspond to the splash guard, one ends of the jacking springs are jointly connected with a protection cover, and the protection cover is connected to the outer portion of an output shaft of the grass mowing motor in a sliding mode. An adjusting assembly is arranged outside the fixing rod and used for adjusting the angle of the grass trimmer head. According to the grass trimmer designed by the utility model, crushed grass can be effectively prevented from being wound into the motor shaft, and the stability of the grass trimmer during use is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of mechanical devices, and in particular to a grass trimmer. Background Art

[0002] A lawn mower is a handheld tool used to cut weeds in lawns, gardens, pastures, etc. It is mainly composed of a motor, a reduction mechanism, a mowing blade, etc. The motor drives the mowing blade to rotate after the speed is changed by the reduction mechanism to achieve the mowing operation. A lawn mower will produce a lot of grass clippings after mowing, so the grass clippings need to be cleaned up. At the same time, the edges of the lawn need to be trimmed for beauty after mowing the lawn.

[0003] When a conventional lawn mower is in operation, the grass stalks or grass fragments are easily entangled on the motor shaft due to the force of the blade rotating and breaking the grass when the blade cuts and breaks the grass in the protective cover. If there are too many grass stalks or grass fragments entangled, the stability of the lawn mower blade rotation is easily affected, and the motor may be damaged in serious cases.

[0004] In addition, the head of a conventional lawn mower is generally a fixed structure. In actual operation, the best usage posture is that the head is flush with the ground, and this usage posture determines the operating posture of the human body. Obviously, it is difficult to apply to people of different heights and body shapes.

[0005] Therefore, those skilled in the art provide a grass trimmer to solve the problems raised in the above background technology. Utility Model Content

[0006] The present disclosure provides a grass trimmer to at least solve the above technical problems existing in the prior art.

[0007] To achieve the above-mentioned purpose, the present disclosure provides the following technical solutions: a grass trimmer capable of preventing winding, comprising a fixing rod and an adjusting rod, a grass trimming assembly being installed at the position of the outer end of the fixing rod corresponding to the adjusting assembly, the grass trimming assembly comprising a fixing sleeve installed outside one end of the adjusting rod, a grass trimming head being rotatably connected to the front of the fixing sleeve, a splash shield being fixedly installed at the bottom of the grass trimming head, and a protective mechanism being arranged outside the grass trimming head;

[0008] The protection mechanism includes a plurality of push springs equidistantly installed at the bottom of the mower head and corresponding to the splash guard, one end of the plurality of push springs is commonly connected to a protection guard, and the protection guard is slidably connected to the outside of the output shaft of the mower motor;

[0009] An adjustment component is arranged outside the fixing rod, and the adjustment component is used to adjust the angle of the mower head.

[0010] In one embodiment, the adjustment assembly includes a control handle installed on the outer end of the fixed rod and a lifting handle on the control handle, a second locking switch is installed on the upper part of the control handle at a position corresponding to the lifting handle, a first locking switch is installed on the outer end of the fixed sleeve at a position corresponding to the mower head, and a battery is detachably installed on the bottom of the control handle.

[0011] In one embodiment, the second locking switch and the first locking switch are both provided with an adjustment mechanism, the adjustment mechanism comprises an inspection shell detachably mounted on the outside of the mower head and the pulling handle, the second locking switch and the first locking switch are both provided with a rotating sleeve, the middle of the two rotating sleeves are both slidably connected with a locking block, and the two rotating sleeves are provided with locking grooves equidistantly mounted at the positions of the locking blocks.

[0012] In one possible implementation manner, connecting grooves are provided at positions corresponding to the locking blocks in the interior of the two inspection shells, and reset springs are installed at positions corresponding to the locking blocks in the interior of the two rotating sleeves.

[0013] In one embodiment, a locking sleeve is installed at the outer end of the fixing rod at a position corresponding to the adjusting rod, a locking button is slidably connected to the top of the locking sleeve, and locking grooves are equidistantly provided inside the adjusting rod at the position corresponding to the locking button.

[0014] The grass trimmer disclosed in the present invention, when in use, pushes the protective cover to slide outwards by the push spring, so that the protective cover is pressed downwards along the rotating shaft of the grass trimmer motor, so that the grass cutters or grass stems are blocked by the protective cover, thereby preventing the grass cutters or grass stems from being too much entangled on the rotating shaft of the grass trimmer motor, thereby affecting the rotation stability of the blade and preventing the motor from being damaged;

[0015] A lawn mower disclosed herein can adjust the angle of the lifting handle at the second locking switch, and secondly, can also adjust the angle of the lawn mower head, so as to facilitate adjusting the lawn mower to the best use form according to users of different heights and body shapes, ensure that the lawn mower head is flush with the ground when in use, and improve the comfort and efficiency of the lawn mower when in use.

[0016] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, in which:

[0018] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0019] Figure 1 A structural schematic diagram of a grass trimmer is shown;

[0020] Figure 2 A schematic structural diagram of a mower head in a mower is shown;

[0021] Figure 3 Shows Figure 2 A partial enlarged view of point B in the middle;

[0022] Figure 4 Shows Figure 1 A partial enlarged view of point A in the middle.

[0023] Explanation of the numbers in the figure: 1. Fixed rod; 2. Control handle; 3. Lifting handle; 4. Battery; 5. Adjusting rod; 6. Fixed sleeve; 7. Mower head; 8. First locking switch; 9. Mower blade; 10. Splash cover; 11. Mower motor; 12. Second locking switch; 13. Protective cover; 14. Push spring; 15. Inspection shell; 16. Rotating sleeve; 17. Locking block; 18. Locking slot; 19. Reset spring; 20. Connecting slide; 21. Locking sleeve; 22. Locking button; 23. Locking groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, features, and advantages of the present disclosure more obvious and easy to understand, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0025] See also Figures 1 to 4 A lawn mower comprises a fixed rod 1 and an adjusting rod 5. A locking sleeve 21 is installed at the outer end of the fixed rod 1 at a position corresponding to the adjusting rod 5. A locking button 22 is slidably connected to the top of the locking sleeve 21. Locking grooves 23 are equidistantly provided inside the adjusting rod 5 at a position corresponding to the locking button 22. The adjusting rod 5 is extended and retracted in the locking sleeve 21, and the locking button 22 and the locking groove 23 are coordinated to conveniently adjust the length of the adjusting rod 5.

[0026] like Figure 1 and 2As shown, a grass trimming assembly is installed at the position of the adjusting assembly corresponding to the outer end of the fixing rod 1, and the grass trimming assembly includes a fixing sleeve 6 installed on the outside of one end of the adjusting rod 5, and the front part of the fixing sleeve 6 is rotatably connected to the grass trimming machine head 7, and a grass trimming motor 11 is installed in the middle of the grass trimming machine head 7, and a grass trimming knife 9 is installed on the output shaft of the grass trimming motor 11, and the grass trimming knife 9 is arranged on the inner side of the grass trimming motor 11, and a splash guard 10 is fixedly installed at the bottom of the grass trimming machine head 7, and the grass trimming knife 9 is driven by the grass trimming motor 11 to process the grass, and the splash guard 10 can protect the grass trimming knife 9 on the one hand, and on the other hand, it can also block the grass stalks or broken grass cut by the grass trimming knife 9 to prevent the broken grass from being scattered everywhere and affecting the cleaning work of the broken grass;

[0027] like Figure 2 As shown, a protective mechanism is arranged on the outside of the mower head 7, wherein the protective mechanism comprises a plurality of push springs 14 which are equidistantly installed at the bottom of the mower head 7 and correspond to the splash shield 10, one end of each of the plurality of push springs 14 is commonly connected to a protective shield 13, and the protective shield 13 is slidably connected to the outside of the output shaft of the mower motor 11, and the protective shield 13 is pushed to slide outward by the push springs 14, and the protective shield 13 can be pressed downward, thereby preventing the grass clippings from being entangled in the rotating shaft of the mower motor 11, thereby improving the stability of the device when in use;

[0028] like Figure 1 As shown, an adjustment component is provided on the outside of the fixed rod 1, and the adjustment component is used to adjust the angle of the lawn mower head. The adjustment component includes a control handle 2 installed on the outer end of the fixed rod 1 and a lifting handle 3 on the control handle 2. A second locking switch 12 is installed at the upper part of the control handle 2 corresponding to the position of the lifting handle 3, and a first locking switch 8 is installed at the outer end of the fixed sleeve 6 corresponding to the position of the lawn mower head 7. A battery 4 is detachably installed at the bottom of the control handle 2. The coordinated use of the control handle 2 and the lifting handle 3 is intended to facilitate the user to hold the lawn mower with both hands for operation. The use of the battery 4 can continuously provide battery life for the lawn mower.

[0029] like Figure 2 and 3 As shown, the second locking switch 12 and the first locking switch 8 are both provided with an adjustment mechanism inside, and the adjustment mechanism includes an inspection shell 15 detachably installed on the outside of the mower head 7 and the lifting handle 3, and the second locking switch 12 and the first locking switch 8 are both installed with a rotating sleeve 16 inside, and the middle of the two rotating sleeves 16 are slidably connected with a locking card block 17, and the two rotating sleeves 16 are internally provided with locking card grooves 18 equidistantly installed at the positions of the locking card blocks 17, and the two inspection shells 15 are internally provided with connecting grooves 20 at the positions of the locking card blocks 17, and the two rotating sleeves 16 are internally provided with a reset spring 19 at the positions of the locking card blocks 17;

[0030] The application process of the above-mentioned adjustment mechanism is: by pressing the locking block 17 and the locking slot 18 at the rotating sleeve 16 to separate them, after adjusting the angle of the lifting handle 3 at the second locking switch 12, the reset spring 19 is used to support the locking block 17 and the locking slot 18 to engage again, so that the angle of the lifting handle 3 can be locked. According to the same principle, the angle of the mower head 7 can be conveniently adjusted, thereby improving the convenience during use.

[0031] The working principle of the utility model is: when in use, the protective cover 13 is pushed outward by the push spring 14, and the protective cover 13 can be pressed downward, so that the broken grass can be prevented from being entangled in the rotating shaft of the mowing motor 11, thereby improving the stability of the device when in use;

[0032] Secondly, by pressing the locking block 17 and the locking slot 18 of the rotating sleeve 16 to separate, and then adjusting the angle of the lifting handle 3 at the second locking switch 12, the reset spring 19 is used to support the locking block 17 and the locking slot 18 to engage again, so that the angle of the lifting handle 3 can be locked. In the same principle, the angle of the mower head 7 can be conveniently adjusted, thereby improving the convenience of use;

[0033] Furthermore, the mowing blade 9 can be driven to rotate by the mowing motor 11 to cut grass, and the splash shield 10 can be used to prevent grass fragments from splashing, thereby improving the effect of the device when in use and making it easier for users to use.

[0034] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this disclosure can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions disclosed in this disclosure can be achieved, and this document does not limit this.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A grass trimmer, comprising a fixed rod (1) and an adjusting rod (5), wherein a grass trimming assembly is installed at the outer end of the fixed rod (1) at a position corresponding to the adjusting assembly, characterized in that ； The mowing assembly comprises a fixing sleeve (6) mounted on the outside of one end of the adjusting rod (5); the front portion of the fixing sleeve (6) is rotatably connected to a mowing head (7); a splash guard (10) is fixedly mounted on the bottom of the mowing head (7); and a protective mechanism is arranged on the outside of the mowing head (7); The protective mechanism comprises a plurality of push springs (14) which are equidistantly mounted on the bottom of the mower head (7) and correspond to the splash guard (10); one end of the plurality of push springs (14) is commonly connected to a protective guard (13), and the protective guard (13) is slidably connected to the outside of the output shaft of the mower motor (11); An adjustment component is arranged outside the fixing rod (1), and the adjustment component is used to adjust the angle of the mower head.

2. The grass trimmer according to claim 1, characterized in that: The adjustment assembly comprises a control handle (2) mounted on the outer end of the fixed rod (1) and a lifting handle (3) on the control handle (2); a second locking switch (12) is mounted on the upper part of the control handle (2) at a position corresponding to the lifting handle (3); a first locking switch (8) is mounted on the outer end of the fixed sleeve (6) at a position corresponding to the mower head (7); and a storage battery (4) is detachably mounted on the bottom of the control handle (2).

3. The grass trimmer according to claim 2, characterized in that: The second locking switch (12) and the first locking switch (8) are both provided with an adjustment mechanism, the adjustment mechanism comprising an inspection shell (15) detachably mounted on the outside of the mower head (7) and the lifting handle (3), the second locking switch (12) and the first locking switch (8) are both provided with a rotating sleeve (16), the middle of the two rotating sleeves (16) are both slidably connected with a locking block (17), and the two rotating sleeves (16) are both provided with locking slots (18) equidistantly mounted at positions corresponding to the locking block (17).

4. The grass trimmer according to claim 3, characterized in that: Connecting grooves (20) are provided inside the two inspection shells (15) at positions corresponding to the locking blocks (17).

5. The grass trimmer according to claim 4, characterized in that: Reset springs (19) are installed at positions inside the two rotating sleeves (16) corresponding to the locking blocks (17).

6. The grass trimmer according to claim 1, characterized in that: A locking sleeve (21) is installed at the outer end of the fixing rod (1) at a position corresponding to the adjusting rod (5).

7. The grass trimmer according to claim 6, characterized in that: A locking button (22) is slidably connected to the top of the locking sleeve (21).

8. The grass trimmer according to claim 7, characterized in that: Locking grooves (23) are equidistantly provided inside the adjusting rod (5) at positions corresponding to the locking buttons (22).

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