CN212464059U

CN212464059U - A manual accumulating weeder

Info

Publication number: CN212464059U
Application number: CN202020575319.8U
Authority: CN
Inventors: 徐焕磊; 孙宝寿; 李念; 徐永铭
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-05
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a manual power storage type weeding machine, which specifically relates to the technical field of weeding. The inner sleeve is provided with a main shaft, the bottom end of the main shaft is connected to the cutter head through a one-way bearing, the outer side wall of the main shaft is sleeved with a secondary pinion, and the secondary pinion is meshed with a secondary large gear. The inner cavity of the gear is clamped with a secondary shaft, and the secondary shaft is sleeved in the inner cavity of the fixed housing through the secondary shaft deep groove ball bearing. By arranging the cutter head, the main shaft and the first-level tension rack, the utility model makes the cutter head rotate speed reach a certain peak value. Due to the existence of the moment of inertia, the cutter head can realize the function of cutting weeds, and does not need to use an external power supply, which is different from the existing Compared with the technology, it is very convenient to trim small lawns, and has the advantages of light portability, high efficiency and energy saving, and no noise, which meets the needs of use.

Description

Manual power-storage type weeding machine

Technical Field

The utility model relates to a weeding technical field, more specifically say, the utility model relates to a manual power storage formula weeder.

Background

Lawn mowers are tools used to trim lawns, and the lawn mowers available on the market are classified according to their power source, and are classified into electric type and fuel type.

The common lawn mower is large in size, not easy to store and high in noise when in use, so that the common lawn mower is often used for repairing and cutting large and medium-sized lawns instead of small lawns.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a manual power storage formula weeder, the utility model aims to solve the technical problem that: the small lawn is inconvenient to cut.

In order to achieve the above object, the utility model provides a following technical scheme: a manual power-storage type weeding machine comprises a fixed shell and a cutter head, wherein a main shaft deep groove ball bearing is embedded at the top of the fixed shell, a main shaft is arranged in the inner sleeve of the main shaft deep groove ball bearing, the bottom end of the main shaft is connected with the cutter head through an one-way bearing, a second-stage pinion is sleeved on the outer side wall of the main shaft, a second-stage gear wheel is meshed with the second-stage pinion, a secondary shaft is clamped in the inner cavity of the fixed shell through the secondary shaft deep groove ball bearing, a first-stage pinion is sleeved on the outer side wall of the secondary shaft, a first-stage tension rack is meshed with the first-stage pinion, the top end of the first-stage tension rack is hinged with a reset spring through the fixed shell, the other end of the reset spring is fixedly connected with the top of the fixed, the angle piece top fixedly connected with telescopic link, telescopic link other end fixedly connected with handrail, handrail one side articulates there is the pulling force handle, the wire rope other end and pulling force handle fixed connection, the equal fixedly connected with gyro wheel in casing both sides.

An operator holds the handrail push mower connected with the telescopic rod with two hands, simultaneously pulls the pull handle to pull the first-stage pull rack connected with the steel wire rope to move, the first-stage pull rack moves through an opening in the top of the fixed shell to pull the first-stage pinion to drive the secondary shaft to rotate, the secondary shaft rotates to drive the second-stage bull gear to drive the second-stage pinion and the main shaft to rotate, the main shaft drives the cutter to rotate, the cutter starts to rotate through two-stage gear acceleration at the moment, the process is repeated for 1 to 3 times, the rotating speed of the cutter reaches a certain peak value, due to the existence of rotational inertia, the cutter can cut weeds, an external power supply is not needed, the small lawn mower is very convenient to trim, and the small lawn mower has the advantages of light carrying, high efficiency, energy conservation and.

In a preferred embodiment, the return spring is hinged to the first-stage tension rack through a pin shaft, so that the adjustment can be conveniently carried out when the first-stage tension rack is pulled.

In a preferred embodiment, an opening is formed in the top end of the fixed shell corresponding to the first-stage tension rack, and the pin shaft is located in the opening, so that the first-stage tension rack can be conveniently pulled to reset.

In a preferred embodiment, the top of the angle block is inclined at an angle of 60 degrees, so that the telescopic rod is convenient to hold.

In a preferred embodiment, the diameter of the cutter head is smaller than that of the inner cavity of the fixed shell, so that grass is prevented from splashing.

In a preferred embodiment, the cross section of the pull handle is L-shaped, and the steel wire rope is fixedly wound at the shorter end, so that the pull handle is convenient to pull and adjust.

In a preferred embodiment, two sides of the angle block are respectively connected with the telescopic rod and the fixed shell, so that the connection stability is ensured.

In a preferred embodiment, the cutter head is in one-way rotation transmission connection with the main shaft through a one-way bearing.

1. The utility model is provided with the cutter head, the main shaft and the first-level tension rack, an operator holds the handrail connected with the telescopic rod with both hands to push the mower, meanwhile, the pulling handle is pulled to pull the first-stage pulling rack connected with the steel wire rope to move, the first-stage pulling rack moves through an opening at the top of the fixed shell to pull the first-stage pinion to drive the secondary shaft to rotate, the secondary shaft rotates to drive the second-stage gearwheel to drive the second-stage pinion and the main shaft to rotate, the main shaft drives the cutter head to rotate, the cutter head starts to rotate through the acceleration of the two-stage gear, the process is repeated for 1 to 3 times to enable the rotating speed of the cutter head to reach a certain peak value, due to the existence of the rotational inertia, the cutter head can realize the function of cutting weeds without using an external power supply, the small lawn mower has the advantages of being convenient to trim small lawns, light and portable, efficient, energy-saving and free of noise, and meets use requirements;

2. the utility model discloses a set up reset spring, reset spring can effectively drive one-level pulling force rack and reset when loosening the pulling force handle to stimulate the rotation cutting crushing effect that the handle can improve the blade disc repeatedly, avoid the forage joint in the blade disc, the handrail passes through the telescopic link to be connected with fixed casing simultaneously, and effective person of facilitating the use accomodates, has satisfied the use needs.

3. The utility model discloses because one-way bearing's existence, when operating personnel loosened the handle, the one-way relative rotary motion was realized with the main shaft to the blade disc, so the blade disc can not stop the rotation when the main shaft resets, and when operating personnel stimulates the handle once more, the main shaft will drive the blade disc and be rotary motion with higher speed, effectively improves the broken effect of cutting.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic side view of the cross-sectional structure of the present invention.

Fig. 5 is a schematic view of the cutter head in a three-dimensional structure.

The reference signs are: the device comprises a fixed shell 1, a reset spring 2, a cutter head 3, a first-level tension rack 4, a second-level pinion 5, a main shaft 6, a main shaft deep groove ball bearing 7, a one-way bearing 8, a second-level bull gear 9, a roller 10, a first-level pinion 11, a secondary shaft 12, a secondary shaft deep groove ball bearing 13, an angle block 14, a telescopic rod 15, a steel wire rope 16, a tension handle 17 and a handrail 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a manual power storage type weeding machine, which comprises a fixed shell 1 and a cutter head 3, wherein a main shaft deep groove ball bearing 7 is embedded at the top of the fixed shell 1, a main shaft 6 is sleeved in the main shaft deep groove ball bearing 7, the bottom end of the main shaft 6 is connected with the cutter head 3 through a one-way bearing 8, the outer side wall of the main shaft 6 is sleeved with a second-level pinion 5, the second-level pinion 5 is meshed with a second-level gearwheel 9, a secondary shaft 12 is clamped in the inner cavity of the second-level gearwheel 9, the secondary shaft 12 is sleeved in the inner cavity of the fixed shell 1 through a secondary shaft deep groove ball bearing 13, the outer side wall of the secondary shaft 12 is sleeved with a first-level pinion 11, the first-level pinion 11 is meshed with a first-level tension rack 4, the top end of the first-level tension rack 4 is hinged with a reset spring 2 through the fixed shell 1, the other, the top of the fixed shell 1 is fixedly connected with an angle block 14, the top of the angle block 14 is fixedly connected with a telescopic rod 15, the other end of the telescopic rod 15 is fixedly connected with a handrail 18, one side of the handrail 18 is hinged with a tension handle 17, the other end of a steel wire rope 16 is fixedly connected with the tension handle 17, and the two sides of the shell are fixedly connected with idler wheels 10.

14 top inclination of angle piece is 60 degrees, the diameter of blade disc 3 is less than the diameter of fixed casing 1 inner chamber, pulling force handle 17 cross sectional shape is L shape, and the fixed winding of wire rope 16 is in shorter one end, blade disc 3 is connected through the one-way rotatory transmission of one-way bearing 8 with main shaft 6.

As shown in fig. 1 to 5, the embodiment specifically is: when the mower is used, the mower is only required to be placed at a position needing to be trimmed, the telescopic rod 15 is adjusted to a proper position, an operator holds the handrail 18 connected with the telescopic rod 15 with two hands to push the mower, meanwhile, the pull handle 17 is pulled to pull the first-stage pull rack 4 connected with the steel wire rope 16, the first-stage pull rack 4 moves through an opening at the top of the fixed shell 1 and drives the secondary shaft 12 connected with the first-stage pinion 11 to rotate, the secondary shaft 12 rotates to drive the second-stage gearwheel 9 to drive the second-stage pinion 5 and the main shaft 6 to rotate, the main shaft 6 drives the cutterhead 3 to rotate through the one-way bearing 8, the cutterhead 3 starts to rotate through the acceleration of the two-stage gears, when the pull handle 17 is loosened by the operator, the rack is reset under the action of the reset spring 2, but the cutterhead 3 cannot stop rotating due to the action of, repeat above-mentioned process 1 to 3 times and make the 3 rotational speeds of blade disc reach certain peak values, because inertia's existence, blade disc 3 can realize the effect of cutting weeds, need not use external power supply, and is very convenient to the pruning on small-size lawn, has light advantage portable, energy-efficient, noiselessness, has satisfied the user demand.

The reset spring 2 is hinged to the first-stage tension rack 4 through a pin shaft, an opening is formed in the position, corresponding to the first-stage tension rack 4, of the top end of the fixed shell 1, and the pin shaft is located in the opening.

As shown in fig. 1, the embodiment specifically includes: reset spring 2 can effectively drive one-level tension rack 4 and reset when loosening pulling force handle 17, can improve the rotation cutting crushing effect of blade disc 3, avoids the forage joint in blade disc 3, and handrail 18 passes through telescopic link 15 to be connected with stationary housing 1 simultaneously, and effective person of facilitating the use accomodates, has satisfied the user demand.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, an operator holds a handrail 18 connected with a telescopic rod 15 with two hands to push a mower, simultaneously pulls a pull handle 17 to pull a first-stage pull rack 4 connected with a steel wire rope 16 to move, the first-stage pull rack 4 pulls a first-stage pinion 11 to drive a secondary shaft 12 to rotate through an opening at the top of a fixed shell 1, the secondary shaft 12 rotates to drive a second-stage gearwheel 9 to drive a second-stage pinion 5 and a main shaft 6 to rotate, the main shaft 6 drives a cutter head 3 to rotate, the cutter head 3 starts to rotate through two-stage gear acceleration, the process is repeated for 1 to 3 times to enable the rotating speed of the cutter head 3 to reach a certain peak value, due to the existence of rotational inertia, the cutter head 3 can cut weeds without using an external power supply, the small lawn is very convenient to trim, and has the advantages of portability, high efficiency, the use requirement is met;

referring to the specification figure 1, reset spring 2 can effectively drive one-level tension rack 4 and reset when loosening tension handle 17, can improve the rotation cutting crushing effect of blade disc 3, avoids the forage joint in blade disc 3, and handrail 18 passes through telescopic link 15 to be connected with fixed casing 1 simultaneously, and effective person of facilitating the use accomodates, has satisfied the user demand.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual power storage type weeding machine, comprising a fixed casing (1) and a cutter head (3), characterized in that: the top of the fixed casing (1) is embedded with a main shaft deep groove ball bearing (7), The main shaft deep groove ball bearing (7) is internally sleeved with a main shaft (6), the bottom end of the main shaft (6) is connected to the cutter head (3) through a one-way bearing (8), and the outer side wall of the main shaft (6) is sleeved There is a secondary pinion (5), the secondary pinion (5) is meshed with a secondary large gear (9), and the inner cavity of the secondary large gear (9) is clamped with a secondary shaft (12), so The secondary shaft (12) is sleeved on the inner cavity of the fixed housing (1) through the secondary shaft deep groove ball bearing (13), the outer side wall of the secondary shaft (12) is sleeved with a primary pinion (11), and the first The primary pinion (11) is meshed with a primary tension rack (4), and the top of the primary tension rack (4) is hinged with a return spring (2) through the fixed housing (1). The return spring (2) The other end is fixedly connected to the top of the fixed housing (1), the end of the return spring (2) close to the primary tension rack (4) is fixedly connected with a wire rope (16), and the top of the fixed housing (1) is fixedly connected There is an angle block (14), the top of the angle block (14) is fixedly connected with a telescopic rod (15), the other end of the telescopic rod (15) is fixedly connected with a handrail (18), and one side of the handrail (18) is hinged There is a tension handle (17), the other end of the wire rope (16) is fixedly connected with the tension handle (17), and both sides of the casing are fixedly connected with rollers (10).

2 . The manual power storage type weeder according to claim 1 , wherein the return spring ( 2 ) is hinged with the primary tension rack ( 4 ) through a pin shaft. 3 .

3. A manual power storage type weeder according to claim 2, characterized in that: an opening is provided at the top of the fixed housing (1) corresponding to the first-level tension rack (4), and the pin is located at the inside the opening.

4 . The manual power storage type weeder according to claim 1 , characterized in that: the angle of inclination of the top of the angle block ( 14 ) is 60 degrees. 5 .

5 . The manual accumulating type weeder according to claim 1 , wherein the diameter of the cutter head ( 3 ) is smaller than the diameter of the inner cavity of the fixed housing ( 1 ). 6 .

6 . The manual power storage type weeder according to claim 1 , wherein the cross-sectional shape of the tension handle ( 17 ) is L-shaped, and the wire rope ( 16 ) is fixedly wound around the shorter end. 7 .

7 . The manual power storage type weeder according to claim 1 , wherein the two sides of the angle block ( 14 ) are respectively connected with the telescopic rod ( 15 ) and the fixed housing ( 1 ). 8 .

8 . The manual accumulating type weeder according to claim 1 , wherein the cutter head ( 3 ) and the main shaft ( 6 ) are connected by one-way rotational transmission through a one-way bearing ( 8 ). 9 .