Lawn mower
By optimizing the structure of the grass collection bucket and grass baffle of the lawnmower, the lawnmower is made easy to use and efficient in grass collection, solving the problems of poor grass collection effect and complicated assembly in the existing technology.
Patent Information
- Application Number
- CN202520157125.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing lawnmowers have grass collection buckets that obstruct the operator's movement, have poor grass collection efficiency, and have complex assembly structures that are time-consuming and labor-intensive to disassemble and assemble, and whose positions cannot be adjusted.
Design a lawnmower in which the grass collection bucket is connected to the assembly arm via a connecting component, and the horizontal and vertical positions are adjusted by using locking pins and adjusting pins. The grass baffle consists of two sliding plates, and the grass guide ribs guide grass clippings into the bucket.
It improves the ease of use and grass collection effect of the lawnmower. The grass collection hopper position is adjustable, grass clippings enter the grass collection hopper accurately, and the assembly is stable and convenient.
Smart Images
Figure CN223745298U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the lawn mower technical field, concretely relates to a lawn mower. BACKGROUND
[0002] The lawn mower is a mechanical tool for trimming lawn vegetation, which is mainly composed of a frame, traveling wheels, a cutting roller, and a driving assembly. In actual use, in order to collect grass clippings, a grass baffle and a grass collecting hopper are installed on the frame. The grass baffle changes the throwing direction of the grass clippings so that the grass clippings enter the grass collecting hopper. However, the existing grass collecting hopper is usually arranged behind the cutting roller, which affects the forward movement of the operator. Moreover, the hopper mouth of the grass collecting hopper faces forward, so the operator cannot observe the specific situation of grass collection, and the position of the grass collecting hopper cannot be accurately adjusted, which affects the effect of collecting grass clippings and the grass clippings are easily thrown outside. In addition, the existing grass collecting hopper has a complex assembly structure, and it is time-consuming and labor-consuming to disassemble and assemble. Moreover, the position of the assembled grass collecting hopper cannot be adjusted, which affects the grass collecting effect. SUMMARY
[0003] The utility model discloses a lawn mower that solves the problems of poor grass clippings collection effect and inconvenient use in the prior art. The utility model is achieved by the following technical scheme:
[0004] A lawn mower comprises a frame, a cutting roller, traveling wheels, and a handrail. A grass baffle is detachably arranged behind the cutting roller, and a grass collecting hopper is detachably arranged in front of the cutting roller. Assembly arms are fixedly arranged on the frame. Two assembly arms are symmetrically arranged on both sides of the frame. The grass collecting hopper is connected to the same side assembly arm through two groups of connecting assemblies. The connecting assembly comprises a first connecting piece and a second connecting piece. The first connecting piece is clamped on the same side assembly arm, and the second connecting piece is fixedly arranged on the grass collecting hopper. A horizontal strip hole is formed in the first connecting piece, and a vertical strip hole is formed in the second connecting piece. The horizontal strip hole and the vertical strip hole are at least partially aligned, and the first connecting piece and the second connecting piece are connected through an adjusting pin that simultaneously passes through the horizontal strip hole and the vertical strip hole.
[0005] Preferably, the upper end of the assembly arm is provided with a first clamping groove and a second clamping groove. The first connecting piece is clamped on the same side assembly arm. A first clamping pin matched with the first clamping groove and a second clamping pin matched with the second clamping groove are fixedly arranged on the first connecting piece.
[0006] Preferably, the first clamping groove is formed at the top end of the assembly arm and extends vertically upward. The second clamping groove is formed below the first clamping groove and comprises an arc-shaped section and a horizontal section that are connected to each other. The opening of the arc-shaped section faces the grass collecting hopper and is located above the horizontal section.
[0007] As preferred, the first connecting piece comprises a first branch, a second branch and a third branch, the first branch extends upwardly, the second branch extends downwardly, and the third branch extends horizontally; the first pin is fixed on the upper end of the first branch, the second pin is fixed on the lower end of the second branch, and the transverse slot is formed in the third branch.
[0008] As preferred, the grass shield comprises a first shield and a second shield, the first shield comprises a first plate body and a first assembly side plate arranged on the assembly end of the first plate body, and the second shield comprises a second plate body and a second assembly side plate arranged on the assembly end of the second plate body; the first plate body and the second plate body are overlapped to form an arc-shaped shield, and the first plate body and the second plate body can slide relative to each other in the length direction of the arc-shaped shield to adjust the length of the arc-shaped shield; a first slot is formed on the first plate body, and a second slot is formed on the second plate body, the first slot and the second slot are at least partially aligned, and both extend in the length direction of the arc-shaped shield; a positioning assembly is arranged in the first slot and the second slot; a first grass guide rib is formed on the inner wall of the first plate body, and a second grass guide rib is formed on the inner wall of the second plate body, the first grass guide rib and the second grass guide rib are both arranged obliquely, and the oblique directions are consistent.
[0009] As preferred, the first grass guide rib and the second grass guide rib are both arc-shaped strips, and the thickness of the first grass guide rib and the second grass guide rib gradually decreases from top to bottom.
[0010] As preferred, the height and the curvature of the first plate body and the second plate body are consistent, a first inner locking edge and a second inner locking edge are formed on the upper edge and the lower edge of the first plate body respectively, the first inner locking edge is downwardly locked, and the first plate body defines an upper guide groove, the second inner locking edge is upwardly locked, and the first plate body defines a lower guide groove, the upper edge of the second plate body is inserted into the upper guide groove, and the lower edge of the second plate body is inserted into the lower guide groove; the first inner locking edge and the second inner locking edge are symmetrically arranged and located on the adjustment end of the first plate body.
[0011] As preferred, the first assembly side plate and the second assembly side plate are symmetrically arranged on both sides of the arc-shaped shield, and both the first assembly side plate and the second assembly side plate comprise a first side wing plate, a second side wing plate and a bending plate; the bending plate is connected to the arc-shaped shield through the first side wing plate and the second side wing plate; the first side wing plate is located above the second side wing plate.
[0012] As preferred, the first side wing plate is inwardly turned relative to the arc-shaped shield, and the second side wing plate is outwardly turned relative to the arc-shaped shield; the bending plate comprises an inclined segment and a vertical segment, the inclined segment is connected to the first side wing plate, and the vertical segment is connected to the second side wing plate.
[0013] As preferred, a groove is formed on the inclined section, the groove and the inclined section jointly define an assembling groove, the bottom of the second side wing is provided with an upper concave notch, and the vertical section and the second side wing jointly define a bottom groove.
[0014] Compared with the prior art, the mower is more convenient to use and the grass collecting effect is better through optimizing the assembling position of the grass collecting hopper and the grass baffle; the first connecting piece is clamped with the assembling arm through two clamping pins, the assembling is convenient, the structure of the two clamping grooves is reasonable, cooperates with the two clamping pins respectively, can limit the grass collecting hopper in horizontal and vertical directions respectively, is convenient to disassemble and assemble, and is stable in assembling; the horizontal strip-shaped hole and the vertical strip-shaped hole are respectively formed on the first connecting piece and the second connecting piece, the adjusting pin cooperates with the two strip-shaped holes, can realize position adjustment of the grass collecting hopper in horizontal and vertical directions, so as to adapt to the grass clippings throwing track, and the grass collecting effect is better; the grass baffle is formed by two baffles which can slide relative to each other, the size of the grass baffle can be adjusted according to the size of the rack, is strong in adaptability, and is stable in connection, and is convenient to adjust in size; due to the inclined arrangement of the cutting hob, the throwing track of the grass clippings is offset, the grass guide convex rib can correct the throwing track of the grass clippings, so that the grass clippings accurately enter the grass collecting hopper, and the grass collecting effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a grass collecting hopper assembling structure schematic view in the utility model;
[0017] Figure 3 It is an assembling arm structure schematic view in the utility model;
[0018] Figure 4 It is a connecting assembly structure schematic view in the utility model;
[0019] Figure 5 It is a grass baffle structure schematic view in the utility model;
[0020] Figure 6 It is a first baffle 11 structure schematic view in the utility model;
[0021] Figure 7 It is a second baffle 12 structure schematic view in the utility model;
[0022] Marked in the figure: Grass baffle 10; First baffle 11; First plate body 111; First assembly side plate 112; First strip-shaped hole 113; First grass guide convex rib 114; First inner buckle edge 115; Second inner buckle edge 116; Support seat 117; Second baffle 12; Second plate body 121; Second assembly side plate 122; Second strip-shaped hole 123; Second grass guide convex rib 124; First side wing plate 125; Second side wing plate 126; Inclined section 1271; Vertical section 1272; Slot 1273; Positioning pin 13; Frame 20; Cutting hob 30; Handrail 40; Assembly arm 50; First clamping groove 51; Second clamping groove 52; First connecting piece 61; Transverse strip-shaped hole 611; First branch 612; Second branch 613; Third branch 614; Second connecting piece 62; Longitudinal strip-shaped hole 621; First clamping pin 63; Second clamping pin 64; Adjusting pin 65; Grass collecting hopper 70; Traveling wheel 80. DETAILED DESCRIPTION
[0023] The utility model will be further described below in combination with the embodiments shown in the drawings:
[0024] Referring to Figures 1-4 The embodiment discloses a mower, which comprises a frame 20, the frame 20 is assembled with a cutting hob 30, a traveling wheel 80 and a handrail 40, the rear of the cutting hob 30 is detachably assembled with a grass baffle 10, and the front of the cutting hob 30 is detachably assembled with a grass collecting hopper 70. Through optimization of the assembly positions of the grass collecting hopper 70 and the grass baffle 10, the mower is more convenient to use, the grass clippings collection condition is convenient to observe, and the grass collecting effect is better.
[0025] The frame 20 is fixedly provided with two assembly arms 50, which are symmetrically distributed on the two sides of the frame 20, the grass collecting hopper 70 is connected with the same side assembly arm 50 through two groups of connecting assemblies respectively; the connecting assembly comprises a first connecting piece 61 and a second connecting piece 62, the first connecting piece 61 is clamped on the same side assembly arm 50, and the second connecting piece 62 is fixedly arranged on the grass collecting hopper 70; the first connecting piece 61 is provided with a transverse strip-shaped hole 611, the second connecting piece 62 is provided with a longitudinal strip-shaped hole 621, the transverse strip-shaped hole 611 and the longitudinal strip-shaped hole 621 are at least partially aligned, and the first connecting piece 61 and the second connecting piece 62 are connected through the adjusting pin 65 which simultaneously penetrates the transverse strip-shaped hole 611 and the longitudinal strip-shaped hole 621. The transverse strip-shaped hole 611 and the longitudinal strip-shaped hole 621 are arranged on the two connecting pieces respectively, and the adjusting pin 65 can realize the position adjustment of the grass collecting hopper 70 in the horizontal direction and the vertical direction through cooperation with the two strip-shaped holes, so that the grass clippings throwing track is adapted, and the grass collecting effect is better.
[0026] The upper ends of the assembly arms 50 are provided with first clamping grooves 51 and second clamping grooves 52, a first connecting piece 61 is clamped on the same side assembly arm 50, the first connecting piece 61 is fixedly provided with a first clamping pin 63 matched with the first clamping groove 51 and a second clamping pin 64 matched with the second clamping groove 52, and the first connecting piece 61 is clamped on the same side assembly arm 50 in a clamping manner to facilitate disassembly and assembly of the grass collecting bucket 70; the first clamping groove 51 is provided at the top end of the assembly arm 50 and extends vertically, and the slot opening is upward; the second clamping groove 52 is provided below the first clamping groove 51 and includes an arc segment and a horizontal segment which are communicated with each other, the opening of the arc segment faces the grass collecting bucket 70 and is located above the horizontal segment. The two clamping grooves are matched with the two clamping pins respectively, and can limit the grass collecting bucket 70 in the horizontal direction and the vertical direction respectively, so that the grass collecting bucket 70 is convenient to disassemble and assemble and is stable in assembly.
[0027] The first connecting piece includes a first branch arm 612, a second branch arm 613 and a third branch arm 614, the first branch arm 612 extends upwardly and obliquely, the second branch arm 613 extends downwardly and obliquely, and the third branch arm 614 extends horizontally; the first clamping pin 63 is fixedly arranged at the upper end of the first branch arm 612, the second clamping pin 64 is fixedly arranged at the lower end of the second branch arm 613, and the transverse strip-shaped hole is arranged in the third branch arm 614.
[0028] Referring to Figures 5-6 The grass baffle 10 includes a first baffle 11 and a second baffle 12, the first baffle 11 includes a first baffle body 111 and a first assembly side plate 112 arranged at the assembly end of the first baffle body 111, and the second baffle 12 includes a second baffle body 121 and a second assembly side plate 122 arranged at the assembly end of the second baffle body 121; the first baffle body 111 and the second baffle body 121 are overlapped and spliced to form an arc-shaped baffle, and the first baffle body 111 and the second baffle body 121 can slide relative to each other in the length direction of the arc-shaped baffle to adjust the length of the arc-shaped baffle. The grass baffle 10 is formed by overlapping two baffles which can slide relative to each other, and the size of the grass baffle 10 can be adjusted according to the size of the rack 20, so that the adaptability is high.
[0029] A first strip-shaped hole 113 is arranged on the first baffle body 111, a second strip-shaped hole 123 is arranged on the second baffle body 121, the first strip-shaped hole 113 and the second strip-shaped hole 123 are at least partially aligned, and both extend in the length direction of the arc-shaped baffle; a positioning assembly is assembled in the first strip-shaped hole 113 and the second strip-shaped hole 123, and the positioning assembly is a positioning pin 13 and a locking cap. The cooperation of the two strip-shaped holes and the positioning assembly improves the splicing stability of the two baffles.
[0030] In order to ensure that the grass clippings can accurately enter the grass collecting hopper 70, the inner wall of the first plate body 111 is shaped with a first grass guiding convex rib 114, and the inner wall of the second plate body 121 is shaped with a second grass guiding convex rib 124, the first grass guiding convex rib 114 and the second grass guiding convex rib 124 are both arranged obliquely, and the oblique directions are consistent. Because the cutting hob 30 is arranged obliquely, the trajectory of the grass clippings will be offset, and the arrangement of the grass guiding convex rib can correct the trajectory of the grass clippings, so that the grass clippings can accurately enter the grass collecting hopper 70, and the grass collecting effect is improved.
[0031] The first grass guiding convex rib 114 and the second grass guiding convex rib 124 are both arc-shaped strips, the thickness of the first grass guiding convex rib 114 and the second grass guiding convex rib 124 gradually decreases from top to bottom, so as to improve the correction effect; the first plate body 111 is provided with one first grass guiding convex rib 114, and the first grass guiding convex rib 114 is arranged close to the first assembly side plate 112, so as to ensure that the second baffle 12 can slide smoothly; the second plate body 121 is provided with four second grass guiding convex ribs 124, and the second grass guiding convex ribs 124 are arranged along the length direction of the second plate body 121.
[0032] The height and the arc of the first plate body 111 and the second plate body 121 are consistent, the first plate body 111 is shaped with a first inner undercut 115 and a second inner undercut 116 along the upper edge and the lower edge respectively, the first inner undercut 115 is undercut downward, and defines an upper guide groove together with the first plate body 111, the second inner undercut 116 is undercut upward, and defines a lower guide groove together with the first plate body 111, the upper edge of the second plate body 121 is inserted into the upper guide groove, and the lower edge of the second plate body 121 is inserted into the lower guide groove; the first inner undercut 115 and the second inner undercut 116 are symmetrically arranged and located at the adjusting end of the first plate body 111. The arrangement of the two inner undercuts can guide the sliding of the two baffles, and also improve the splicing stability of the two baffles.
[0033] The first assembly side plate 112 and the second assembly side plate 122 are symmetrically arranged on both sides of the arc-shaped baffle, and each of the first assembly side plate 112 and the second assembly side plate 122 comprises a first side wing plate 125, a second side wing plate 126 and a bending plate; the bending plate is connected with the arc-shaped baffle through the first side wing plate 125 and the second side wing plate 126, and the first side wing plate 125 is located above the second side wing plate 126; the first side wing plate 125 is turned inward relative to the arc-shaped baffle, and the second side wing plate 126 is turned outward relative to the arc-shaped baffle; the bending plate comprises an inclined segment 1271 and a vertical segment 1272, the inclined segment 1271 is connected with the first side wing plate 125, and the vertical segment 1272 is connected with the second side wing plate 126; a groove 1273 is formed on the inclined segment 1271, the groove 1273 and the inclined segment 1271 jointly define an assembly groove matched with the rack 20, an upper concave notch is formed in the bottom of the second side wing, and the vertical segment 1272 and the second side wing jointly define a clamping groove matched with the rack 20; the assembly side plate adopts the above structure, so that the grass baffle 10 is convenient to disassemble and assemble, and the assembly stability of the grass baffle 10 is ensured; in order to further improve the assembly stability of the grass baffle 10, a support seat 117 is further formed on the back of the first baffle 11 and supports the rack 20.
[0034] It should be understood that, in the claims of the utility model, the specification, all "including" should be understood as open-ended, that is, its meaning is equivalent to "at least contains", and should not be understood as a closed meaning, that is, its meaning should not be understood as "only contains". The terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
[0035] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model should be covered in the protection scope of the utility model.
Claims
1. A mower comprising a frame to which is mounted a cutting drum, travel wheels and a handrail; characterised in that, The rear of the cutting hob is detachably assembled with a grass baffle, and the front of the cutting hob is detachably assembled with a grass collecting hopper; the frame is fixed with assembly arms, two assembly arms are symmetrically distributed on both sides of the frame, the grass collecting hopper is connected with the same side assembly arm through two groups of connecting assemblies; the connecting assembly includes a first connecting plate and a second connecting plate, the first connecting plate is clamped on the same side assembly arm, and the second connecting plate is fixed on the grass collecting hopper; a transverse strip hole is formed in the first connecting plate, a longitudinal strip hole is formed in the second connecting plate, the transverse strip hole and the longitudinal strip hole are at least partially aligned, and the first connecting plate and the second connecting plate are connected through an adjusting pin penetrating through the transverse strip hole and the longitudinal strip hole at the same time.
2. A lawnmower according to claim 1, characterised in that The upper end of the assembly arm is provided with a first clamping groove and a second clamping groove, the first connecting plate is clamped on the same side assembly arm, the first connecting plate is fixed with a first clamping pin matched with the first clamping groove and a second clamping pin matched with the second clamping groove.
3. A lawnmower according to claim 2, characterised in that The first clamping groove is formed at the top end of the assembly arm and extends vertically, and the slot opening is upward; the second clamping groove is formed below the first clamping groove and includes an arc segment and a horizontal segment which are connected with each other, and the opening of the arc segment faces the grass collecting hopper and is located above the horizontal segment.
4. A lawnmower according to claim 3, wherein, The first connecting plate includes a first branch arm, a second branch arm and a third branch arm, the first branch arm extends upwardly and obliquely, the second branch arm extends downwardly and obliquely, and the third branch arm extends horizontally; the first clamping pin is fixed on the upper end of the first branch arm, the second clamping pin is fixed on the lower end of the second branch arm, and the transverse strip hole is formed in the third branch arm.
5. A lawnmower according to any one of claims 1 to 4, characterised in that, The grass baffle includes a first baffle and a second baffle, the first baffle includes a first baffle body and a first assembly side plate arranged at the assembly end of the first baffle body, and the second baffle includes a second baffle body and a second assembly side plate arranged at the assembly end of the second baffle body; the first baffle body and the second baffle body are overlapped and spliced to form an arc-shaped baffle, and the first baffle body and the second baffle body can slide relative to each other in the length direction of the arc-shaped baffle to adjust the length of the arc-shaped baffle; a first strip hole is formed in the first baffle body, a second strip hole is formed in the second baffle body, the first strip hole and the second strip hole are at least partially aligned and extend in the length direction of the arc-shaped baffle, and a positioning assembly is arranged in the first strip hole and the second strip hole; a first grass guiding protrusion is formed on the inner wall of the first baffle body, and a second grass guiding protrusion is formed on the inner wall of the second baffle body, and the first grass guiding protrusion and the second grass guiding protrusion are arranged obliquely and have the same oblique direction.
6. A lawnmower according to claim 5, wherein, The first grass guiding protrusion and the second grass guiding protrusion are arc-shaped strips, and the thickness of the first grass guiding protrusion and the second grass guiding protrusion gradually decreases from top to bottom.
7. A lawnmower according to claim 6, characterised in that The height and the curvature of the first baffle body and the second baffle body are consistent, a first inner clamping edge and a second inner clamping edge are formed on the upper edge and the lower edge of the first baffle body respectively, the first inner clamping edge is clamped inwardly and defines an upper guide groove together with the first baffle body, the second inner clamping edge is clamped outwardly and defines a lower guide groove together with the first baffle body, the upper edge of the second baffle body is inserted into the upper guide groove, and the lower edge of the second baffle body is inserted into the lower guide groove; the first inner clamping edge and the second inner clamping edge are symmetrically arranged and located at the adjusting end of the first baffle body.
8. A lawnmower according to claim 5, wherein, The first assembly side plate and the second assembly side plate are symmetrically arranged on both sides of the arc-shaped baffle, and each of the first assembly side plate and the second assembly side plate comprises a first side wing plate, a second side wing plate and a bending plate; the bending plate is connected with the arc-shaped baffle through the first side wing plate and the second side wing plate; the first side wing plate is located above the second side wing plate.
9. A lawnmower according to claim 8, characterised in that, The first side wing plate is turned inward relative to the arc-shaped baffle, and the second side wing plate is turned outward relative to the arc-shaped baffle; the bending plate comprises an inclined section and a vertical section, the inclined section is connected with the first side wing plate, and the vertical section is connected with the second side wing plate.
10. A lawnmower according to claim 9, characterised in that, A groove is formed on the inclined section, the groove and the inclined section jointly define an assembly groove, and a top concave notch is formed in the bottom of the second side wing, and the vertical section and the second side wing jointly define a bottom groove.