CN214508503U

CN214508503U - Lawn fallen leaf straw suction machine

Info

Publication number: CN214508503U
Application number: CN202120298087.0U
Authority: CN
Inventors: 朱洪辰; 邢雪飞; 王玥; 王凯; 姚瑞松; 张云利; 张朋
Original assignee: Beijing Jindu Landscaping Co ltd
Current assignee: Beijing Jindu Landscaping Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-29
Anticipated expiration: 2031-02-02

Abstract

The application relates to a lawn fallen leaf grass suction machine, which belongs to the technical field of grass suction machines and comprises a negative pressure cover, a front wheel and a rear wheel, wherein the front wheel and the rear wheel are positioned on two sides of the negative pressure cover; the bottom end of the negative pressure cover is opened and provided with a leaf suction box, the bottom end of the leaf suction box is opened, the top end of the leaf suction box is opened at a position opposite to the inside of the negative pressure cover, and the leaf suction box is fixed on the negative pressure cover by utilizing a connecting bottom plate; a direction rod is fixed on the negative pressure cover. This application has the effect of convenient high-efficient clearance lawn fallen leaves withered leaf.

Description

Lawn fallen leaf straw suction machine

Technical Field

The application relates to the field of lawn mowers, in particular to a lawn fallen leaf mowers.

Background

In landscaping, trees are often planted around or in a lawn in order to improve the overall harmony and beauty of greening. During the maintenance process of the lawn, the leaves of some trees fall into the lawn due to natural withering; gardeners can regularly trim trees, fallen leaves can also be accumulated on the lawn, and the fallen leaves of the trees can influence the attractiveness of the lawn. The fallen leaves float on the lawn, so the cleaning difficulty is higher.

Disclosure of Invention

In order to clean up dry leaves and fallen leaves on the lawn conveniently, the application provides a lawn fallen leaf grass suction machine.

The application provides a lawn fallen leaf straw sucking machine adopts following technical scheme:

a lawn fallen leaf grass suction machine comprises a negative pressure cover, and a front wheel and a rear wheel which are positioned on two sides of the negative pressure cover, wherein the front wheel is connected with the negative pressure cover, the rear wheel is at least provided with two wheels and is connected by utilizing a connecting frame fixed on the negative pressure cover, an engine is fixedly arranged on the negative pressure cover, an output shaft of the engine penetrates through a top plate of the negative pressure cover to extend into the negative pressure cover and is fixedly connected with a negative pressure impeller, and a leaf outlet opposite to the negative pressure impeller is formed in the side wall of the negative pressure cover facing the rear direction; the bottom end of the negative pressure cover is opened and provided with a leaf suction box, the bottom end of the leaf suction box is opened, the top end of the leaf suction box is opened at a position opposite to the inside of the negative pressure cover, and the leaf suction box is fixed on the negative pressure cover by utilizing a connecting bottom plate; and a direction rod is fixed on the negative pressure cover.

By adopting the technical scheme, when fallen leaves exist on the lawn and need to be cleaned, the engine is started to drive the negative pressure impeller in the negative pressure cover to rotate, so that negative pressure is generated in the negative pressure cover, the fallen leaves and the dead leaves on the lawn enter the negative pressure cover through the leaf suction box and are discharged from the leaf outlet, and the fallen leaves are collected by the leaf collecting bag or the leaf collecting hopper arranged at the leaf outlet, so that the cleaning work of the fallen leaves on the lawn is completed, the cleaning speed is high, and manpower is saved.

Preferably, the negative pressure cover is cylindrical.

By adopting the technical scheme, the cylindrical negative pressure cover is adopted, the balance of the pressure environment at each position in the negative pressure cover is ensured, and the integral negative pressure effect is better.

Preferably, the width of the suction box is gradually reduced from top to bottom.

Through adopting above-mentioned technical scheme for the suction of the bottom suction vane mouth department of suction vane box is bigger, and the blade is inhaled in the negative pressure cover more easily.

Preferably, the suction vane box is arranged along an axial direction parallel to the opposite rear wheel; the two ends of the leaf suction box in the length direction extend out of the negative pressure cover.

By adopting the technical scheme, the leaf suction box is perpendicular to the walking path, the suction area of the leaf suction box is increased, and the efficient treatment of the leaf cleaning work is ensured.

Preferably, a horizontal fixing nut is fixed at the bottom end of the outer wall of the negative pressure cover, the connecting bottom plate extends out of the bottom surface of the negative pressure cover, a notch is formed in the position, opposite to the fixing nut, of the connecting bottom plate, and a connecting bolt which is in threaded connection with the fixing nut and is matched with the notch is arranged in the notch.

Through adopting above-mentioned technical scheme, can follow the negative pressure and cover the dismantlement with inhaling the leaf case to clear up in the negative pressure cover.

Preferably, the engine is connected to the negative pressure cover by using a support, the support comprises a support rod fixed to the negative pressure cover and extending upwards and a horizontal support plate fixed to the top end of the support rod, the support rods are provided with a plurality of support rods, and the engine is fixed to the support plate.

Through adopting above-mentioned technical scheme, fix the engine in the negative pressure cover top, guarantee the stability of engine.

Preferably, the middle position of the front end of the negative pressure cover is provided with a connecting plate extending forwards, one end, away from the negative pressure cover, of the connecting plate is fixed with a vertical adjusting rod and an adjusting plate in adjustable sliding connection with the adjusting rod, and the bottom end of the adjusting plate is fixedly connected with a universal front wheel.

Through adopting above-mentioned technical scheme, adopt the universal wheel as the front wheel, conveniently adjust the direction of advance.

Preferably, the adjusting rod is provided with a jack vertically penetrating through the adjusting rod, the adjusting plate is matched with the jack and can be inserted into the jack, the adjusting rod is provided with a plurality of first through holes horizontally penetrating through the adjusting rod, and the first through holes are arranged at intervals along the length direction of the adjusting rod; set up the second through-hole that sets up along regulating plate length direction interval on the regulating plate, the second through-hole can be relative with first through-hole, the regulating plate utilizes the adjusting bolt who passes second through-hole and first through-hole with the regulation pole to be connected.

Through adopting above-mentioned technical scheme, can inhale the distance between leaf case and the ground according to the altitude mixture control on lawn to make and inhale the leaf case and be in the position of high-efficient suction blade.

Preferably, the direction rod upwards stretches out backward and sets up two in the both sides of negative pressure cover, the one end fixed connection handle of negative pressure cover is kept away from to the direction rod, direction rod and link utilize firm pole fixed connection.

Through adopting above-mentioned technical scheme, utilize handle controlgear's direction of advance, the stability of direction pole can be guaranteed to the firm pole simultaneously.

In conclusion, the principle of negative pressure is adopted in the lawn grass cleaning device to suck fallen leaves and withered grass leaves on the lawn, so that the fallen leaves on the lawn are efficiently cleaned, the device is small in size, the lawn cannot be damaged, and the lawn grass cleaning device is suitable for being popularized and used in landscaping management.

Drawings

Fig. 1 is a schematic overall structure diagram of a lawn grass-falling suction machine according to an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the lawn grass-falling suction machine according to the embodiment of the application in another direction.

Fig. 3 is a bottom view of a lawn mower according to an embodiment of the present application.

Fig. 4 is a partial cross-sectional view of a lawn mower of an embodiment of the present application.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Description of reference numerals: 1. an engine; 11. an output shaft; 2. a negative pressure hood; 21. a support; 211. a strut; 212. a support plate; 22. a connecting plate; 23. adjusting a rod; 231. a jack; 232. a first through hole; 233. adjusting the bolt; 24. an adjusting plate; 241. a second through hole; 25. a leaf outlet; 3. a connecting frame; 4. a leaf suction box; 41. connecting the bottom plate; 411. a notch; 42. a connecting assembly; 421. fixing a nut; 422. a connecting bolt; 5. a rear wheel; 6. a front wheel; 7. a steering column; 71. a handle; 72. a stabilizing rod; 8. a negative pressure impeller.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a lawn fallen leaf straw sucking machine. Referring to fig. 1 and 2, the lawn defoliation grass suction machine includes a cylindrical negative pressure cover 2, an engine 1 located above the negative pressure cover 2, a suction box 4 located below the negative pressure cover 2, and a negative pressure impeller 8 located in the negative pressure cover 2.

The negative pressure cover 2 is provided with a bracket 21 for supporting the engine 1. The bracket 21 includes a support rod 211 fixed to the negative pressure cover 2 and extending upward, and a horizontal square support plate 212 is fixed to the top end of the support rod 211. The struts 211 are located at the four corners of the plate 212. The engine 1 is fixed to the top surface of the stay plate 212. An output shaft 11 of the engine 1 vertically penetrates through the support plate 212 and a top plate of the negative pressure cover 2 and then is fixedly connected with the negative pressure impeller 8. The engine 1 is used to drive the negative pressure impeller 8 to rotate, so that negative pressure is generated in the negative pressure cover 2.

A connecting plate 22 which extends forwards horizontally is fixedly connected at the middle position of the front end of the upper surface of the top plate of the negative pressure cover 2. One end of the connecting plate 22 far away from the negative pressure cover 2 is fixedly connected with a vertical adjusting rod 23. The adjusting rod 23 is provided with an insertion hole 231 vertically penetrating the adjusting rod 23 and a first through hole 232 horizontally penetrating the adjusting rod 23 along the direction perpendicular to the connecting plate 22. The first through holes 232 are provided in plurality at equal intervals along the length direction of the adjustment lever 23. The first through hole 232 communicates with the insertion hole 231.

An adjusting plate 24 which is vertically arranged is slidably connected in the insertion hole 231. The bottom end of the adjusting plate 24 is fixedly connected with a front wheel 6. The front wheels 6 are universal wheels. The adjusting plate 24 is provided with a second through hole 241 penetrating the adjusting plate 24 in a direction parallel to the axial direction of the first through hole 232. The first through hole 232 is fitted with the second through hole 241. The adjustment plate 24 and the adjustment rod 23 are coupled to each other by an adjustment bolt 233 passing through the first and second through

holes

232 and 241.

A vane outlet 25 is arranged on one side of the negative pressure cover 2 departing from the front wheel 6, and the vane outlet 25 is opposite to the negative pressure impeller 8 in the negative pressure cover 2. During operation, the leaf collecting bag or the leaf collecting bucket can be connected to the leaf outlet 25 for containing grass leaves.

The negative pressure cover 2 is welded with a connecting frame 3 which extends backwards. The connecting frame 3 is provided with opposite rear wheels 5.

A direction rod 7 which extends backwards and upwards in an inclined way is fixedly connected to the negative pressure cover 2. Two direction levers 7 are oppositely arranged. One end of the direction rod 7 far away from the negative pressure cover 2 is fixedly connected with a horizontal handle 71. The direction rod 7 is connected with the connecting frame 3 by a stabilizing rod 72. The stabilizing rod 72 mainly serves to increase the stability of the direction rod 7.

Referring to fig. 3 and 4, the bottom end of the suction hood 2 is detachably connected to the suction box 4 by a connection base plate 41. The suction box 4 is arranged in parallel to the axial direction of the opposite rear wheel 5. The length of the suction vane box 4 is larger than the diameter of the negative pressure hood 2. The width of the leaf suction box 4 is gradually reduced from top to bottom, and the bottom end of the leaf suction box 4 is opened. The portion of the ceiling of the suction box 4 facing the inside of the negative pressure hood 2 is cut away. The connecting bottom plate 41 is fixedly connected to the top end of the side wall of the suction box 4 in the width direction and extends horizontally outwards. The connecting bottom plate 41 is fitted to the edge of the negative pressure hood 2 so that the bottom end of the negative pressure hood 2 communicates with the outside only through the suction vane box 4.

Referring to fig. 4 and 5, the connecting bottom plate 41 projects outward beyond the edge of the negative pressure hood 2. The connection base plate 41 and the negative pressure cover 2 are connected by a connection unit 42. The connection assembly 42 includes a fixing nut 421 fixed to the bottom end of the outer wall of the negative pressure housing 2 opposite to the connection base plate 41. The connecting bottom plate 41 is provided with a notch 411 vertically penetrating the connecting bottom plate 41 at a position opposite to the fixing nut 421. A connection bolt 422 which is in threaded connection with the fixing nut 421 and is matched with the notch 411 is arranged in the notch 411. The connection base plate 41 is mounted on the negative pressure cover 2 by tightening the connection bolt 422.

The implementation principle of the lawn fallen-leaf grass suction machine in the embodiment of the application is as follows: the engine 1 is started to drive the negative pressure impeller 8 to rotate, so that air negative pressure is generated in the negative pressure cover 2, and grass leaves or trimmed fallen leaves are sucked into the negative pressure cover 2 from the bottom end opening of the leaf suction box 4 and then discharged from the leaf outlet 25.

The lawn fallen leaf straw sucking machine is also suitable for cleaning fallen leaves on the road surface.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lawn fallen leaves suction machine, includes negative pressure cover (2) and front wheel (6) and rear wheel (5) that are located negative pressure cover (2) both sides, front wheel (6) are connected with negative pressure cover (2), rear wheel (5) set up two at least and utilize link (3) of fixing on negative pressure cover (2) to connect its characterized in that: an engine (1) is fixedly arranged on the negative pressure cover (2), an output shaft of the engine (1) penetrates through a top plate of the negative pressure cover (2) to extend into the negative pressure cover (2) and is fixedly connected with a negative pressure impeller (8), and a blade outlet (25) opposite to the negative pressure impeller (8) is formed in the side wall of the negative pressure cover (2) facing the rear direction; the bottom end of the negative pressure cover (2) is opened and provided with a leaf suction box (4), the bottom end of the leaf suction box (4) is opened, the top end of the leaf suction box (4) is opened at a position opposite to the inner part of the negative pressure cover (2), and the leaf suction box (4) is fixed on the negative pressure cover (2) by a connecting bottom plate (41); a direction rod (7) is fixed on the negative pressure cover (2).

2. A lawn leaf cutter as defined in claim 1, wherein: the negative pressure cover (2) is cylindrical.

3. A lawn leaf cutter as defined in claim 1, wherein: the width of the leaf suction box (4) is gradually reduced from top to bottom.

4. A lawn leaf cutter as defined in claim 1, wherein: the suction blade box (4) is arranged along the axial direction parallel to the opposite rear wheel (5); the two ends of the leaf suction box (4) in the length direction extend out of the negative pressure cover (2).

5. A lawn leaf cutter as defined in claim 1, wherein: the outer wall bottom mounting of negative pressure cover (2) has horizontally fixation nut (421), connect bottom plate (41) and stretch out the bottom surface of negative pressure cover (2), notch (411) have been seted up with fixation nut (421) relative position on connecting bottom plate (41), be provided with in notch (411) with fixation nut (421) threaded connection and with notch (411) complex connecting bolt (422).

6. A lawn leaf cutter as defined in claim 1, wherein: the engine (1) is connected to the negative pressure cover (2) through the support (21), the support (21) comprises a support rod (211) fixed to the negative pressure cover (2) and extending upwards and a horizontal support plate (212) fixed to the top end of the support rod (211), the support rod (211) is provided with a plurality of support plates, and the engine (1) is fixed to the support plate (212).

7. A lawn leaf cutter as defined in claim 1, wherein: negative pressure cover (2) front end intermediate position is provided with connecting plate (22) that stretches out forward, the one end that negative pressure cover (2) were kept away from in connecting plate (22) is fixed with vertical regulation pole (23) and with regulation pole (23) adjustable sliding connection's regulating plate (24), the universal front wheel (6) of bottom fixed connection of regulating plate (24).

8. A lawn leaf cutter as defined in claim 7, wherein: the adjusting rod (23) is provided with a jack (231) which vertically penetrates through the adjusting rod (23), the adjusting plate (24) is matched with the jack (231) and can be inserted into the jack (231), the adjusting rod (23) is provided with a plurality of first through holes (232) which horizontally penetrate through the adjusting rod (23), and the first through holes (232) are arranged at intervals along the length direction of the adjusting rod (23); offer second through-hole (241) that set up along regulating plate (24) length direction interval on regulating plate (24), second through-hole (241) can be relative with first through-hole (232), regulating plate (24) and regulation pole (23) utilize adjusting bolt (233) that pass second through-hole (241) and first through-hole (232) to be connected.

9. A lawn leaf cutter as defined in claim 1, wherein: the direction rod (7) upwards stretches out backward and sets up two in the both sides of negative pressure cover (2), one end fixed connection handle (71) of negative pressure cover (2) are kept away from in direction rod (7), direction rod (7) and link (3) utilize firm pole (72) fixed connection.