CN218244546U

CN218244546U - Protection device for grass mower

Info

Publication number: CN218244546U
Application number: CN202222549073.9U
Authority: CN
Inventors: 黄惠荣
Original assignee: Xiamen Jiuyue Environmental Technology Co ltd
Current assignee: Xiamen Jiuyue Environmental Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-10
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a protector for lawn mower, which comprises an outer shell, the bottom surface of shell is provided with fixed disc, fixed disc's bottom surface is seted up flutedly, fixed disc's top surface is provided with driving motor, driving motor's output is provided with and runs through and extend to the first pivot in the recess was seted up to fixed disc, the one end outer lane that first pivot is located fixed disc recess is provided with the second gear, driving motor's one end is kept away from to first pivot is provided with the blade disc. This protector for lawn mower is through setting up protection head, ring and blade disc etc. the accessible protection head can touch at first to the stone in the lawn or hard material to can play the guard action to the blade disc, through setting up driving motor, rolling disc and blade disc etc. can realize that the blade disc is when cutting the lawn, and the recess that the rolling disc outer lane was seted up can throw away the grass that the blade disc cut off.

Description

Protection device for lawn mower

Technical Field

The utility model relates to a protection technical field of grass trimmer specifically is a protection device for grass trimmer.

Background

A grass trimmer is used for cutting all handheld tools for weeds in places such as lawns, gardens, pastures and the like, and can be divided into an oil-driven type and an electric type according to a power source, and can be divided into a front-mounted power type and a rear-mounted power type according to a power head structure mode.

Usually install protector additional in one side of the blade disc of grass mower to prevent that the plant stalk that is cut off from getting rid of to user's health direction, can produce the harm to people's health, but grass mower when protecting the user, also need protect the blade disc of grass mower, when grass mower is working, because hard materials such as stone can have in the lawn, the blade disc of grass mower this moment is in the time of work, when hard objects such as stone are touched in its high-speed operation, can produce the damage to the blade disc of grass mower, thereby its blade disc on grass mower also belongs to the object that will protect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector for lawn mower to the weak point of prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protector for lawn mower, includes the shell, the bottom surface of shell is provided with fixed disc, the bottom surface of fixed disc is seted up flutedly, the top surface of fixed disc is provided with driving motor, driving motor's output is provided with and runs through and extends to the first pivot in the recess was seted up to fixed disc, the one end outer lane that first pivot is located fixed disc recess is provided with the second gear, driving motor's one end is kept away from to first pivot is provided with the blade disc, the top inner wall of the recess that fixed disc bottom was seted up rotates and is connected with the second pivot, the outer lane of second pivot is provided with first gear, the bottom of fixed disc is rotated and is connected with the rolling disc, the rolling disc is hollow form, and rolling disc's top surface one side is provided with the ring, one side outer lane of fixed disc is rotated and is connected with the ring, the outer lane lateral wall of ring is provided with multiunit protection head, one side lateral wall of fixed disc is provided with the protecting crust.

As a preferred technical solution of the present invention, the second gear provided on the first shaft is engaged with the first gear provided on the second shaft outer ring, and the first gear is engaged with the gear ring.

As the utility model discloses a preferred technical scheme, the outer lane of rolling disc is provided with the multiunit recess, the protection head is Z shape.

As the utility model discloses an optimized technical scheme, annular chute has been seted up to the top surface of rolling disc, and has placed annular slider in the annular chute, and the edge weld of the recess is seted up to annular slider's outer wall and fixed disc, and the perpendicular cross-section of annular chute is T shape.

As an optimal technical scheme of the utility model, driving motor is located the inside of shell, and the shell passes through bolted connection with fixed disc.

As a preferred technical scheme of the utility model, one side of shell is provided with the handrail, one side of handrail is provided with driving motor's switch.

Compared with the prior art, the utility model provides a protector for lawn mower possesses following beneficial effect:

1. according to the protection device for the grass mower, the protection head, the circular ring, the cutter disc and the like are arranged, when the grass mower works, the protection head can separate a lawn, and when the grass mower moves along with a worker through the handrail, the protection head is inserted into the lawn, the circular ring can rotate, the corresponding protection head can be inserted into the lawn to be cut, and the protection head can firstly touch stones or hard substances in the lawn, so that the protection effect on the cutter disc can be achieved;

2. this protector for grass mower, through setting up driving motor, rolling disc and blade disc etc, accessible driving motor can drive first pivot and rotate, further can drive the second gear and rotate, and then can drive the ring gear through first gear and rotate, and then can drive the rolling disc and rotate, driving motor can drive first pivot rotation at its output of during operation simultaneously, further can drive the blade disc and rotate, thereby can realize that the blade disc is when cutting the lawn, the recess that the rolling disc outer lane was seted up can throw away the grass that the blade disc cut off.

Drawings

FIG. 1 is a schematic sectional view of the housing of the present invention;

FIG. 2 is a schematic sectional view of the fixing disc of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

Reference numerals: 1. a housing; 2. a first rotating shaft; 3. a second rotating shaft; 4. a protective shell; 5. a first gear; 6. rotating the disc; 7. a second gear; 8. a cutter head; 9. protecting the head; 10. a circular ring; 11. a ring gear; 12. fixing the disc; 13. a drive motor; 14. a handrail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, in the present embodiment: a protection device for a grass trimmer comprises a shell 1, wherein a fixed disc 12 is arranged on the bottom surface of the shell 1, a groove is formed in the bottom surface of the fixed disc 12, a driving motor 13 is arranged on the top surface of the fixed disc 12, a first rotating shaft 2 penetrating through and extending into the groove formed in the fixed disc 12 is arranged at the output end of the driving motor 13, a second gear 7 is arranged on the outer ring of one end, located in the groove of the fixed disc 12, of the first rotating shaft 2, a cutter disc 8 is arranged at one end, far away from the driving motor 13, of the first rotating shaft 2, the inner wall of the top of the groove formed in the bottom of the fixed disc 12 is rotatably connected with a second rotating shaft 3, a first gear 5 is arranged on the outer ring of the second rotating shaft 3, and a rotating disc 6 is rotatably connected to the bottom of the fixed disc 12, the rotary disc 6 is hollow, a gear ring 11 is arranged on one side of the top surface of the rotary disc 6, a circular ring 10 is rotatably connected to the outer ring of one side of a fixed disc 12, a plurality of groups of protection heads 9 are arranged on the side wall of the outer ring of the circular ring 10, a protection shell 4 is arranged on the side wall of one side of the fixed disc 12, when the grass trimmer works, the protection heads 9 can separate a lawn, and when the grass trimmer moves through a handrail 14 along with a worker, the protection heads 9 can be inserted into the lawn 10 to rotate, corresponding protection heads 9 can be inserted into the lawn to be cut, and the protection heads 9 can firstly touch stones or hard substances in the lawn, so that the cutter head 8 can be protected.

Referring to fig. 1, fig. 2 and fig. 3, in this embodiment, the second gear 7 disposed on the first rotating shaft 2 is engaged with the first gear 5 disposed on the outer ring of the second rotating shaft 3, the first gear 5 is engaged with the gear ring 11, a plurality of groups of grooves are disposed on the outer ring of the rotating disk 6, the protection head 9 is Z-shaped, an annular chute is disposed on the top surface of the rotating disk 6, an annular slider is disposed in the annular chute, an outer wall of the annular slider is welded to an edge of the groove formed in the fixed disk 12, a vertical cross section of the annular chute is T-shaped, the driving motor 13 is disposed inside the housing 1, the housing 1 is connected to the fixed disk 12 through a bolt, a handrail 14 is disposed on one side of the housing 1, a switch of the driving motor 13 is disposed on one side of the handrail 14, the driving motor 13 can drive the first rotating shaft 2 to rotate, further can drive the second gear 7 to rotate, further can drive the gear ring 11 to rotate through the first gear 5, and further can drive the rotating disk 6 to rotate, and at the same time the output end of the driving motor 13 can drive the first rotating shaft 2 to rotate, further drive the rotating disk 8 to cut off the groove formed in the lawn 6.

The utility model discloses a theory of operation and use flow: this protection device for grass mower, at first the staff accessible takes up handrail 14, and start the switch of driving motor 13 on handrail 14, driving motor 13 will begin to work this moment, driving motor 13's output will drive first pivot 2 and rotate, further can drive second gear 7 and rotate, and then can drive ring gear 11 through first gear 5 and rotate, and then can drive rolling disc 6 and rotate, driving motor 13 can drive first pivot 2 and rotate at its output of during operation simultaneously, further can drive blade disc 8 and rotate, thereby can realize that blade disc 8 is when cutting the lawn, the recess that the outer lane was seted up of rolling disc 6 can be thrown away the grass that blade disc 8 cut off, when grass mower carries out work, protection head 9 can part the blade disc this moment, and when the staff will beat the grass mower motion through handrail 14, protection head 9 is owing to insert in the lawn this moment, ring 10 that can make rotates, can insert corresponding protection head 9 in the lawn that will cut, and accessible protection head 9 can touch the stone in the lawn or hard material at first, thereby can protect 8 to the effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a protector for lawn mower, includes shell (1), its characterized in that: the bottom surface of shell (1) is provided with fixed disc (12), the bottom surface of fixed disc (12) is seted up flutedly, the top surface of fixed disc (12) is provided with driving motor (13), the output of driving motor (13) is provided with and runs through and extends to first pivot (2) in the recess is seted up to fixed disc (12), the one end outer lane that first pivot (2) are located fixed disc (12) recess is provided with second gear (7), the one end that driving motor (13) were kept away from in first pivot (2) is provided with blade disc (8), the top inner wall of the recess that fixed disc (12) bottom was seted up rotates and is connected with second pivot (3), the outer lane of second pivot (3) is provided with first gear (5), the bottom of fixed disc (12) is rotated and is connected with rolling disc (6), rolling disc (6) are hollow form, and top surface one side of rolling disc (6) is provided with ring gear (11), one side of fixed disc (12) is connected with rotating ring (10), the lateral wall of ring (10) is provided with the protecting cap (9) in multiunit outer lane, and one side wall (4) of protecting cap (12) is provided with the protecting cap (4).

2. The guard of claim 1, wherein: the second gear (7) arranged on the first rotating shaft (2) is meshed with the first gear (5) arranged on the outer ring of the second rotating shaft (3), and the first gear (5) is meshed with the gear ring (11).

3. The guard of claim 1, wherein: the outer ring of the rotating disc (6) is provided with a plurality of groups of grooves, and the protective head (9) is Z-shaped.

4. The guard of claim 1, wherein: the top surface of the rotating disc (6) is provided with an annular sliding groove, an annular sliding block is placed in the annular sliding groove, the outer wall of the annular sliding block is welded with the edge of the groove formed in the fixed disc (12), and the vertical section of the annular sliding groove is in a T shape.

5. The protection device for a lawnmower according to claim 1, wherein: the driving motor (13) is located inside the shell (1), and the shell (1) is connected with the fixed disc (12) through bolts.

6. The guard of claim 1, wherein: a handrail (14) is arranged on one side of the shell (1), and a switch of the driving motor (13) is arranged on one side of the handrail (14).