CN216451946U - Belt dustproof construction of lawn mower - Google Patents
Belt dustproof construction of lawn mower Download PDFInfo
- Publication number
- CN216451946U CN216451946U CN202123301280.4U CN202123301280U CN216451946U CN 216451946 U CN216451946 U CN 216451946U CN 202123301280 U CN202123301280 U CN 202123301280U CN 216451946 U CN216451946 U CN 216451946U
- Authority
- CN
- China
- Prior art keywords
- lawn mower
- belt
- dust cover
- casing
- lower dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 1
- 244000025254 Cannabis sativa Species 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000755266 Kathetostoma giganteum Species 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a belt dustproof construction of lawn mower relates to the technical field of lawn mower, and the position that aims at solving current belt cover is higher, has changed the rotatory wind channel of grass bits in the casing, and then influences the problem of the conventional function of lawn mower. Its technical scheme main points are that lawn mower casing diapire indent has the installation department, the installation department internal fixation has the lower dust cover that is used for protecting the belt, dust cover open-top down, offer down on the dust cover and supply engine output shaft to pass and connect the hole of stepping down of cutter, the dust cover is flat structure down. The utility model discloses reached both protected the belt, maximum reduction again is to the wind channel influence in the casing, ensures the normal operating of lawn mower conventional function.
Description
Technical Field
The utility model belongs to the technical field of the technique of lawn mower and specifically relates to a belt dustproof construction of lawn mower is related to.
Background
For self-propelled lawn mowers, sealing of the pulley has been a major concern to the market and customers. Because at the in-process of mowing, the grass bits splashes everywhere in the casing, if not enough sealed, the grass bits, dust can fly into pulley groove and belt, lead to the belt to drop, and the ageing of belt is accelerated simultaneously, makes lawn mower lose from walking the function, and the blade of mowing can cut off the belt that drops when serious, influences lawn mower's use experience and life-span.
Most products use the belt cover to cover the belt in the existing market, like the protection device of a marching type lawn mower transmission system disclosed in the current Chinese patent with the application number of CN201920568056.5, including chassis, parallel connecting rod, front wheel and rear wheel, parallel connecting rod sets up on the chassis, and front wheel and rear wheel are linked into an organic whole through parallel connecting rod, and the last surface mounting on chassis has the engine, and the output shaft of engine has the belt pulley through keyway and screw installation, installs the blade under the belt pulley, and the belt pulley is connected with drive mechanism, and the lower surface on chassis is provided with the belt guard shield.
However, the above technical solutions have the following problems: the belt cover is higher in position, so that an air duct for rotation of grass scraps in the machine shell is changed, the conventional function of the lawn mower is influenced, and the problem is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a belt dustproof construction of lawn mower not only to sealed and guard action to the belt, the design of flat moreover, the at utmost reduced the wind channel influence in to the casing, ensured the normal operating of conventional function of lawn mower.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a belt dustproof construction of lawn mower, includes lawn mower casing, there is the installation department lawn mower casing diapire indent, the installation department internal fixation has the lower dust cover that is used for protecting the belt, dust cover open-top down, set up the hole of stepping down that supplies engine output shaft to pass and connect the cutter down on the dust cover, the dust cover is flat structure down.
The utility model discloses further set up to: the top of the lawn mower casing is provided with a transmission mechanism for protecting the connection with the belt pulley and an upper dust cover for exposing the belt.
The utility model discloses further set up to: the lower dust cover is connected with the bolt in a matched mode through the flat-head rivet nut.
The utility model discloses further set up to: the outside level protrusion of the top edge of dust cover is provided with the mounting panel down, the mounting panel laminates with lawn mower casing, the bolt passes the mounting panel and is connected with lawn mower casing.
The utility model discloses further set up to: the lower dust cover is provided with a tongue-shaped insertion piece extending forwards, and the lawn mower shell is correspondingly provided with a slot matched with the insertion piece in an inserting mode.
The utility model discloses further set up to: and a fillet is arranged between the bottom wall and the side wall of the lower dust cover.
To sum up, the utility model discloses a beneficial technological effect does:
1. through the arrangement of the lower dust cover, the belt and the lower shell of the engine are sealed and protected, and the influence of the belt cover on an air channel in the shell is reduced to the greatest extent due to the flat design;
2. the belt exposed above and a transmission mechanism connected with the belt pulley are protected by arranging the upper dustproof cover;
3. through the setting of inserts, for lower dust cover provides anterior support, make lower dust cover installation more firm.
Drawings
Fig. 1 is a schematic view of the overall structure of a lawn mower according to an embodiment of the present invention;
fig. 2 is a schematic bottom structure diagram of the lawn mower according to the embodiment of the present invention;
fig. 3 is a schematic view showing an explosion structure of the lawn mower according to the embodiment of the present invention;
fig. 4 is a schematic view of an explosion structure of the lawn mower according to the embodiment of the present invention;
fig. 5 is a perspective view of an exploded structure of the housing of the lawn mower of the embodiment of the present invention;
fig. 6 is a schematic structural view of a housing of a lawn mower in an embodiment of the present invention.
In the figure, 100, an upper dust cover part; 102. an upper dust cover; 103. a screw; 200. an implement section; 201. an engine; 202. a lawn mower housing; 203. a cutter; 300. a lower dust cover portion; 301. flat riveting the nut; 302. a lower dust cover; 303. a bolt; 304. an installation part; 305. a hole of abdication; 306. mounting a plate; 307. an insert; 308. and (4) a slot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a belt dustproof construction of lawn mower, lawn mower includes machine portion 200, for the spare part that undertakes the main function of lawn mower, machine portion 200 includes lawn mower casing 202 to and bear engine 201 on lawn mower casing 202, cutter 203, the belt pulley of being connected with engine 201, the drive mechanism of being connected with the belt pulley. Referring to fig. 3, a portion of the belt and drive mechanism above the lawn mower is also exposed outside the housing 202 of the lawn mower. Referring to fig. 4, the bottom housing of the lawn mower bottom motor 201, a portion of the belt and pulleys are also exposed. In order to protect the belt and the engine 201 on the lawn mower, the dust-proof structure disclosed in the present application includes an upper dust-proof cover portion 300 and a lower dust-proof cover portion 300.
Referring to fig. 3, the upper dust cover portion 100 includes an upper dust cover 102 fixed to a front position of the top of the lawn mower housing 202 by a screw 103 for protecting a transmission mechanism connected to a pulley and an exposed belt. In this embodiment, the transmission mechanism includes a gear box.
Referring to fig. 4 and 5, the lower dust-proof cover 300 includes a lower dust-proof cover 302, the lower dust-proof cover 302 is located at the bottom of the lawn mower housing 202, the lower dust-proof cover 302 is a flat structure, the middle part is concave, and the top part is open. The upper edge of the lower dust cover 302 is provided with a mounting plate 306 protruding outwards horizontally, the central position of the bottom wall of the lawn mower housing 202 is provided with a mounting part 304 inwards, the mounting plate 306 is attached to the mounting part 304 of the lawn mower housing 202, and the bolt 303 penetrates through the mounting plate 306 to be connected with the lawn mower housing 202. The lower dust cover 302 is provided with a yielding hole 305 for the output shaft of the engine 201 to pass through the yielding hole 305 and then to be connected with the cutter 203. The lower dust cover 302 not only plays a role in sealing and protecting the belt, the belt pulley and the lower shell of the engine 201, but also has a flat design, so that the influence of the belt cover on the air duct in the machine shell is reduced to the greatest extent.
Referring to fig. 5, in this embodiment, the upper dust cover 102 and the lower dust cover 302 are both made of plastic. The lower dust cover 302 is connected by the flat rivet nut 301 and the bolt 303 in a matching way. Due to the installation of the engine 201, the space of the lawn mower case 202 is limited, and no enough space is available for fixing the lower dust cover 302 by using a common bolt 303 nut, so that the flat head rivet nut 301 is selected to be fixed on the lawn mower case 202 firstly, and then the lower dust cover 302 is fixed on the lawn mower case by using the bolt 303. After the installation is finished, the flat rivet nut 301 is basically flush with the installation surface of the engine 201, and the installation of other parts is not influenced.
Preferably, referring to fig. 5 and 6, the lower dust cover 302 is provided with a tongue-shaped insertion piece 307 extending forward, and the lawn mower housing 202 is correspondingly provided with a slot 308 engaged with the insertion piece 307 to provide a front support for the lower dust cover 302 itself.
Referring to fig. 5, the bottom wall and the side wall of the lower dust cap 302 are rounded. Furthermore, the connection portion of the bottom wall and the side wall is provided with a reinforcing structure formed by protruding or recessing the lower dust cover 302 itself, or a reinforcing layer is additionally arranged, so that the structural stability of the lower dust cover 302 is improved.
The utility model discloses the working of plastics that utilizes the innovation structure dress covers the drive unit (engine 201 and drive mechanism) of lawn mower on lawn mower casing 202, covers belt pulley and belt cover simultaneously. The assembly of the sealing plastic part is also an innovative method, and in a limited space, the bottom belt is sealed, meanwhile, the obstruction in the air duct is reduced, and the mowing performance of the lawn mower is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a belt dustproof construction of lawn mower, includes lawn mower casing (202), its characterized in that: lawn mower casing (202) diapire indent has installation department (304), installation department (304) internal fixation has lower dust cover (302) that are used for protecting the belt, dust cover (302) open-top down, offer down on dust cover (302) and supply engine (201) output shaft to pass and connect hole of stepping down (305) of cutter (203), dust cover (302) are flat structure down.
2. The belt dust-proof structure of a lawn mower as claimed in claim 1, wherein: the top of the lawn mower casing (202) is provided with an upper dust cover (102) for protecting a transmission mechanism connected with the belt pulley and an upper exposed belt.
3. The belt dust-proof structure of a lawn mower as claimed in claim 2, wherein: the lower dust cover (302) is connected with the bolt (303) in a matched mode through a flat rivet nut (301).
4. The belt dust-proof structure of a lawn mower as claimed in claim 3, wherein: the upper edge of lower dust cover (302) outside level protrusion is provided with mounting panel (306), mounting panel (306) and lawn mower casing (202) laminating, bolt (303) pass mounting panel (306) and are connected with lawn mower casing (202).
5. The belt dust-proof structure of a lawn mower as claimed in claim 1, wherein: a tongue-shaped insert (307) extending forwards is arranged on the lower dust cover (302), and a slot (308) in plug-in fit with the insert (307) is correspondingly arranged on the lawn mower housing (202).
6. The belt dustproof structure of the lawn mower as claimed in claim 1, wherein: the bottom wall and the side wall of the lower dust cover (302) are arranged in a round angle mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123301280.4U CN216451946U (en) | 2021-12-27 | 2021-12-27 | Belt dustproof construction of lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123301280.4U CN216451946U (en) | 2021-12-27 | 2021-12-27 | Belt dustproof construction of lawn mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216451946U true CN216451946U (en) | 2022-05-10 |
Family
ID=81428177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123301280.4U Expired - Fee Related CN216451946U (en) | 2021-12-27 | 2021-12-27 | Belt dustproof construction of lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216451946U (en) |
-
2021
- 2021-12-27 CN CN202123301280.4U patent/CN216451946U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |