Lawn mower with noise reduction structure

Abstract

The utility model relates to the technical field of mowers, in particular to a mowing machine with a noise reduction structure, which comprises a mowing machine body, a sound insulation cylinder, a sound insulation ring and a silencer, the right side of the sound insulation ring is hinged with a baffle, the rear side of the right part of the baffle is provided with a connecting block, the right side of the sound insulation ring is provided with a fixing block, and the fixing block is connected with the sound insulation cylinder. A sound absorption cotton block is inserted into the inner wall of the sound insulation ring, and a sliding groove is formed in the rear side of the interior of the fixing block. The sound absorption device has the beneficial effects that by pressing the buttons on the upper side and the lower side, the limiting block is driven to move backwards and extrude the two elastic pieces, at the moment, the front end of the limiting block is separated from the limiting groove, an operator can easily open the baffle, and then the sound absorption cotton block is conveniently pulled out for replacement or maintenance; the limiting block is inserted into the inner wall of the limiting groove again, the connecting block and the fixing block are clamped, and therefore the baffle is fixed, the using effect of the mower is improved, and the operation of replacing or maintaining the sound-absorbing cotton block by a user is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lawn mower technical field, concretely is a lawn mower with noise reduction structure. BACKGROUND

[0002] At present, as indispensable equipment in garden maintenance and agricultural machinery, the lawn mower is widely used in lawn trimming, vegetation cleaning and other operations, however, the traditional lawn mower has the problem of loud noise in the use process, which not only affects the comfort of the operator, but also causes noise pollution and has adverse effects on the surrounding environment, in order to solve this problem, the rotary drum lawn mower has introduced sound insulation cotton as a noise reduction measure, however, the lawn mower with noise reduction structure still has some deficiencies in practical application, especially the disassembly and assembly process of the sound insulation cotton is relatively complex, which brings inconvenience to the user.

[0003] In the prior art, the sound insulation cotton of the traditional lawn mower with noise reduction structure is usually installed inside the machine body to reduce the noise generated during mechanical operation, however, due to the concealed installation position of the sound insulation cotton and the inflexible fixing mode, when the sound insulation cotton needs to be replaced or maintained, the user often needs to spend a lot of time and effort to disassemble and assemble, which not only increases the user's use cost, but also affects the use effect of the lawn mower.

[0004] Therefore, a lawn mower with noise reduction structure is needed to solve the problem that the sound insulation cotton of the existing lawn mower is relatively complex to disassemble and assemble, which is inconvenient for the user to replace or maintain, and thus affects the use effect of the lawn mower. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a lawn mower with noise reduction structure to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lawn mower with noise reduction structure, comprising a lawn mower body, a sound insulation cylinder, a sound insulation ring and a silencer, the right side of the sound insulation ring is hinged with a baffle, the right rear side of the baffle is installed with a connecting block, the right side of the sound insulation ring is installed with a fixed block, and the inner wall of the sound insulation ring is inserted with sound absorption cotton blocks.

[0007] Preferably, the inner rear side of the fixed block is provided with a sliding groove, the inner wall of the sliding groove is inserted with a limiting block, the rear side of the limiting block is installed with two elastic members, the inner upper and lower sides of the fixed block are provided with moving grooves, the inner wall of the moving grooves is inserted with buttons, and the rear side of the connecting block is provided with a limiting groove.

[0008] Preferably, the limiting block penetrates the front side of the sliding groove and is inserted in the inner wall of the limiting groove, the proximal side of the buttons on the upper and lower sides is provided with an inclined surface structure and is attached to the limiting block.

[0009] Preferably, the rear side of the elastic member is mounted on the rear side of the inner wall of the sliding groove.

[0010] Preferably, the upper and lower sides of the baffle are hingedly connected with plug blocks, the left side of the plug block is mounted with a rubber ball, the right side of the sound-absorbing cotton block is provided with two insertion grooves, and the upper and lower sides of the baffle are provided with clamping grooves.

[0011] Preferably, the plug block is inserted into the inner wall of the insertion groove, and the rubber ball is clamped into the inner wall of the insertion groove and is in an extrusion deformation state.

[0012] Preferably, the rear side of the connecting block is inserted into the front side of the inner wall of the fixed block, the sound insulation ring is mounted on the middle part of the sound insulation cylinder, and the sound absorber is mounted on the top of the sound insulation ring.

[0013] Compared with the prior art, the mower with the noise reduction structure has the following beneficial effects:

[0014] The mower with the noise reduction structure has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a sound insulation cylinder structure schematic view of the utility model;

[0017] Figure 3 It is a sound insulation ring structure schematic view of the utility model;

[0018] Figure 4 It is Figure 3 It is a structure sectional view of A-A in the utility model;

[0019] Figure 5 It is a rubber ball structure schematic view of the utility model;

[0020] Figure 6 It is a fixed block structure schematic view of the utility model;

[0021] Figure 7 It is Figure 6 It is a structure sectional view of B-B in the utility model;

[0022] Figure 8 It is a baffle structure schematic view of the utility model.

[0023] In the figure: 1, the mower body; 2, sound insulation cylinder; 3, sound insulation ring; 4, muffler; 5, sound-absorbing cotton block;

[0024] 6, baffle; 7, rubber ball; 8, plug; 9, fixed block; 10, button; 11, connecting block; 12, limiting groove; 13, moving groove; 14, sliding groove; 15, limiting block; 16, elastic member; 17, plug groove; 18, clamping groove. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme of the utility model to carry out clearly, completely describe, and the advantage is more clear and clear, the following combining with the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for the limitation of the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.

[0026] Embodiment one: please refer to Figures 1-8 The utility model provides a kind of technical scheme: a mower with noise reduction structure, including mower body 1, sound insulation cylinder 2, sound insulation ring 3 and muffler 4, the right side of sound insulation ring 3 is hinged with baffle 6, the right part rear side of baffle 6 is installed with connecting block 11, the right side of sound insulation ring 3 is installed with fixed block 9, the inner wall of sound insulation ring 3 is inserted with sound-absorbing cotton block 5;Connecting block 11 is inserted in the inner wall front side of fixed block 9 at rear side, to facilitate pulling connecting block 11 to separate from fixed block 9, so as to open baffle 6, replace or maintain sound-absorbing cotton block 5, sound insulation ring 3 is installed in the middle part of sound insulation cylinder 2, muffler 4 is installed in the top of sound insulation ring 3, to effectively improve the effect of sound insulation and noise reduction.

[0027] First, pull connecting block 11 to the right to drive baffle 6 to be folded to the right simultaneously, then sound-absorbing cotton block 5 can be extracted to replace or maintain, after finishing, sound-absorbing cotton block 5 is reset, and baffle 6 is closed, the rear side of connecting block 11 is reset and inserted into the front side of fixed block 9, to be fitted between baffle 6 and sound insulation ring 3, so as to replace or maintain subsequently and use, to effectively improve the use effect of mower body 1.

[0028] In order to realize the clamping between the fixed block 9 and the connecting block 11, so as to clamp the baffle 6, the inner rear side of the fixed block 9 is provided with a sliding groove 14, the inner wall of the sliding groove 14 is inserted with a limiting block 15, the rear side of the limiting block 15 is provided with two elastic members 16, the inner upper and lower sides of the fixed block 9 are provided with moving grooves 13, the inner wall of the moving groove 13 is inserted with the button 10, and the rear side of the connecting block 11 is provided with a limiting groove 12.

[0029] First, press the upper and lower two buttons 10, so as to drive the limiting block 15 to slide backward along the inner wall of the sliding groove 14 and press the two elastic members 16, so that the elastic members 16 are in a compressed state, and the front part of the limiting block 15 is separated from the limiting groove 12. At this time, the connecting block 11 can be pulled to the right to drive the baffle 6 to fold to the right synchronously, and then the sound-absorbing cotton block 5 can be taken out for replacement or maintenance. After finishing, the sound-absorbing cotton block 5 is reset, the baffle 6 is closed, the rear side of the connecting block 11 is reset and inserted into the front side of the fixed block 9, and then the two buttons 10 are released, so that the elastic members 16 are reset by the elastic force, the front part of the limiting block 15 is inserted into the inner wall of the limiting groove 12, and then the baffle 6 and the sound-absorbing ring 3 are assembled.

[0030] In order to realize the stability of the sound-absorbing cotton block 5 after being inserted, the upper and lower sides of the baffle 6 are hinged with the insertion block 8, the left side of the insertion block 8 is provided with the rubber ball 7, the right side of the sound-absorbing cotton block 5 is provided with two insertion grooves 17, and the upper and lower sides of the baffle 6 are provided with clamping grooves 18.

[0031] When the baffle 6 is closed and reset, the two plug blocks 8 are hinged at the top, at this time, the plug blocks 8 are folded to the left and opened, and gradually inserted into the inner wall of the insertion slot 17 following the closing of the baffle 6, and after being fully inserted, the rubber ball 7 on one side of the plug block 8 increases the friction, and the rubber ball 7 is deformed in the inner wall of the insertion slot 17, thereby improving the stability of the sound-absorbing cotton block 5 inserted in the inner wall of the sound insulation ring 3, and facilitating subsequent disassembly, when the plug block 8 is not needed, it is hinged to the right, and the rubber ball 7 is gradually clamped to the inner wall of the clamping groove 18, thereby facilitating the folding of the plug block 8, so as to open it for subsequent use.

[0032] In actual use, first, press the two buttons 10 upwards and downwards, thereby driving the limiting block 15 to slide backward along the inner wall of the sliding groove 14, and extruding the two elastic members 16 to be in a compressed state, at the same time, the front part is separated from the limiting groove 12, at this time, the connecting block 11 can be pulled to the right to drive the baffle 6 to be folded to the right synchronously, then the sound-absorbing cotton block 5 can be pulled out for replacement or maintenance, after finishing, the sound-absorbing cotton block 5 is reset, and the baffle 6 is closed, at this time, the rear side of the connecting block 11 is reset and inserted into the front side of the fixed block 9, then the two buttons 10 are released, thereby the elastic members 16 are pushed to reset the limiting block 15 by the elastic force, and the front part is inserted into the inner wall of the limiting groove 12, thereby the baffle 6 is assembled with the sound insulation ring 3 for subsequent replacement or maintenance, thereby effectively improving the use effect of the lawn mower body 1.

[0033] In actual use, first, press the two buttons 10 upwards and downwards, thereby driving the limiting block 15 to slide backward along the inner wall of the sliding groove 14, and extruding the two elastic members 16 to be in a compressed state, at the same time, the front part is separated from the limiting groove 12, at this time, the connecting block 11 can be pulled to the right to drive the baffle 6 to be folded to the right synchronously, then the sound-absorbing cotton block 5 can be pulled out for replacement or maintenance, after finishing, the sound-absorbing cotton block 5 is reset, and the baffle 6 is closed, at this time, the rear side of the connecting block 11 is reset and inserted into the front side of the fixed block 9, then the two buttons 10 are released, thereby the elastic members 16 are pushed to reset the limiting block 15 by the elastic force, and the front part is inserted into the inner wall of the limiting groove 12, thereby the baffle 6 is assembled with the sound insulation ring 3 for subsequent replacement or maintenance, thereby effectively improving the use effect of the lawn mower body 1.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mower with noise reduction structure, comprising a mower body (1), a sound insulation cylinder (2), a sound insulation ring (3) and a muffler (4), characterized in that: The right side of the soundproof ring (3) is hinged with a baffle (6), the right rear side of the baffle (6) is installed with a connecting block (11), the right side of the soundproof ring (3) is installed with a fixed block (9), and the inner wall of the soundproof ring (3) is inserted with a sound-absorbing cotton block (5).

2. The lawn mower with a noise reduction structure according to claim 1, characterized in that: The inner rear side of the fixed block (9) is provided with a sliding groove (14), the inner wall of the sliding groove (14) is inserted with a limiting block (15), the rear side of the limiting block (15) is installed with two elastic members (16), the inner upper and lower sides of the fixed block (9) are provided with moving grooves (13), the inner wall of the moving grooves (13) is inserted with buttons (10), and the rear side of the connecting block (11) is provided with limiting grooves (12).

3. The lawn mower with noise reduction structure according to claim 2, characterized in that: The front side of the limiting block (15) penetrates the sliding groove (14) and is inserted in the inner wall of the limiting groove (12), the proximal side of the buttons (10) on the upper and lower sides is provided as an inclined surface structure and is attached between the limiting block (15).

4. The lawn mower with noise reduction structure according to claim 2, characterized in that: The rear side of the elastic member (16) is installed on the inner rear side of the sliding groove (14).

5. The lawn mower with noise reduction structure according to claim 1, characterized in that: The upper and lower sides of the baffle (6) are hinged with plug blocks (8), the left side of the plug block (8) is installed with rubber balls (7), the right side of the sound-absorbing cotton block (5) is provided with two insertion grooves (17), and the upper and lower sides of the baffle (6) are provided with clamping grooves (18).

6. The lawn mower with noise reduction structure according to claim 5, characterized in that: The plug block (8) is inserted in the inner wall of the insertion groove (17), the rubber ball (7) is clamped in the inner wall of the insertion groove (17), and the rubber ball (7) is in an extrusion deformation state.

7. The lawn mower with noise reduction structure according to claim 1, characterized in that: The rear side of the connecting block (11) is inserted in the inner front side of the fixed block (9), the soundproof ring (3) is installed in the middle part of the soundproof cylinder (2), and the sound absorber (4) is installed on the top of the soundproof ring (3).

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