CN201629999U

CN201629999U - Manual-type weeding machine

Info

Publication number: CN201629999U
Application number: CN2010292511186U
Authority: CN
Inventors: 周怀榕
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-06
Filing date: 2010-03-02
Publication date: 2010-11-17
Anticipated expiration: 2020-03-02

Abstract

The utility model discloses a manual-type weeding machine, comprising a mechanism body, a shell, a hand-pushing rod, a cutter unit, two vehicle wheels, at least one transmission gear unit and at least one one-way clutch device, wherein the cutter unit is arranged in the front of the mechanism body; the middle of the cutter unit is provided with a rotating shaft; the vehicle wheels are respectively combined at two ends of the rotating shaft of the cutter unit; the transmission gear unit contains an inner-ring gear, a driven gear and a middle wheel, wherein the inner-ring gear is arranged at the inner side of the vehicle wheel; the driven gear is combined with the rotating shaft of the cutter unit; and the middle wheel is meshed between the inner-ring gear and the driven gear; and the one-way clutch device is arranged between the rotating shaft of the cutter unit and the driven gear. Therefore, the manual-type weeding machine has simplified structure and small volume.

Description

The manual type weeder

Technical field

The relevant a kind of weeder of the utility model refers to a kind ofly promote weeder with manpower and advance especially, makes the wheel of rolling drive the mow manual type weeder of action of cutter unit simultaneously.

Background technology

Existing weeder mainly is divided into the dynamical type weeder, and manual type weeder, the dynamical type weeder is that engine is installed on weeder, utilize engine to drive the cutter unit rotational, when therefore the user promotes weeder on the lawn, the just action that can mow automatically, even weeder does not move, this engine and cutter unit still keep operating condition.The manual type weeder does not then have power resources such as engine, it is when promoting weeder by the user, wheel or friction pulley are rubbed and lift-over on the lawn, utilize wheel or friction pulley to drive the cutter unit rotational of weeder bottom simultaneously again, therefore have only when the user promotes weeder forward, the action of just mowing of its cutter unit, if the weeder transfixion, then its cutter unit can not rotate yet.

But existing manual type weeder, it is the rotating shaft that in machine, is combined with many related rotations, between each rotating shaft, be provided with the external gear of mutual transmission, and be combined with a plurality of external gears respectively at wheel and rotating shaft, so by a plurality of external gears and the layer upon layer of transmission of rotating shaft, just can make the cutter unit rotational, so cause manual type weeder structural volume huge, and its transmission mechanism is quite complicated, each position part damage easily causes maintenance to go up quite trouble, and manufacturing and maintenance cost are high.Moreover the cutter of existing manual type weeder often is short of adjusts and removable structural design the trouble that causes the user to keep in repair.

The utility model content

The main technical problem to be solved of the utility model provides a kind of manual type weeder, it is by the combined structure design of mechanism body, shell, handspike, cutter unit, wheel, drive gear units and one-way clutch, make the manual type weeder can simplify transmission mechanism, the purpose that reach that manual type weeder structure is simplified, volume is small and exquisite, manufacturing and maintenance cost reduces.

For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of manual type weeder includes: mechanism body; Shell, this shell cover on the described mechanism body; Handspike, this handspike are combined on mechanism body or the shell; Cutter unit, this cutter unit are the front end that the rotation shape is combined in described mechanism body, and described cutter unit central authorities have rotating shaft, and outstanding both sides, described cutter unit, the two ends of this rotating shaft also are combined in described mechanism body; Two wheels, described two wheels are the two ends that the rotation shape is combined in the unit rotating shaft of described cutter respectively; At least one drive gear units, described drive gear units comprises the inner circular tooth wheel that is arranged on described wheel inboard, be combined in the driven gear of the rotating shaft of described cutter unit, reach two breast wheels that are engaged on described inner circular tooth wheel and described driven gear respectively, these two breast wheels also are meshing with each other; And one-way clutch mechanism, this one-way clutch mechanism is located between the driven gear of the rotating shaft of cutter unit and drive gear units.

Wherein, described one-way clutch comprises: at the pin-and-hole radially of described rotating shaft setting, at the central shrinkage pool that is provided with of described driven gear, the plural promotion face that hole wall around described shrinkage pool is provided with, and in described pin-and-hole, wear can be movable driving lever, the promotion face of described driving lever end clip around described shrinkage pool.Be extended with arcwall face between the base that promotes face around the described shrinkage pool and the top margin of another promotion face, the two ends of described driving lever are respectively equipped with arcwall face.The both sides of described mechanism body front end are respectively equipped with bearing block, a wheel shaft and a bearing in the middle of described bearing block side is combined with two respectively; Described cutter unit is arranged between described two bearing blocks, and the two ends of described rotating shaft are located in the bearing of described bearing block respectively; Two breast wheels that are engaged on described inner circular tooth wheel and described driven gear respectively are combined in described middle wheel shaft respectively.The axle body of the rotating shaft of described cutter unit is combined with plural cutter holder, is being combined with the blade that can adjust and change more than two between two cutter holders.Be provided with spherical pore above the described shell, described handspike includes stock, and this stock front end is combined with spheroid, and this spheroid is the rotation shape and is combined in the spherical pore of described shell.The rear end of described stock is combined with handle.Be combined with the pin joint seat that can rotate above the described shell, described handspike includes stock, and this stock front end can rotate and be combined in described pin joint seat.The rear end of described stock is combined with handle.Front end above the described shell is provided with opening, and this opening part is combined with cover plate, and the both sides above the described shell are equipped with wheel cap respectively.

The beneficial effect that the utility model can reach is: the utility model manual type weeder can reduce inner power transmission shaft and gear number, can reach that manual type weeder structure is simplified, volume is small and exquisite, reduce cost, and the cutter unit can adjust the effect of replacing.Simultaneously,, make the handspike can be, reach operation easily and promote the effect of weeder easily in the shell meaning rotation direction of taking up an official post by shell and handspike combined structure design.And, make this shell have the cover plate that can separate by the design of the shell mechanism of weeder, reach the effect of easy cleaning.

Description of drawings

Fig. 1 is the combination stereogram of the utility model embodiment;

Fig. 2 is the exploded perspective view of the utility model embodiment;

Fig. 3 is the combination of side view of the utility model embodiment;

Fig. 4 is the combination section of the utility model embodiment;

Fig. 5 is the end view of the utility model shell and another embodiment of handspike;

Fig. 6 is the stereogram of the utility model shell and another embodiment of handspike;

Fig. 7 is the using action schematic diagram one of the utility model embodiment;

Fig. 8 is the using action schematic diagram two of the utility model embodiment;

Fig. 9 is the using action schematic diagram three of the utility model embodiment.

The number in the figure explanation:

1 mechanism body

Wheel shaft 13 bearings 14 bearing cappings 15 auxiliary wheels in the middle of 11 bearing blocks 12

2 shells

21 openings, 22 cover plates, 23 wheel caps, 24 spherical pores, 25 pin joint seats

3 handspikes

31 stocks, 32 spheroids, 33 handles

4 cutter unit

41 rotating shafts, 42 tool holders, 421 stators, 43 blades

5 wheels

51 wheel caps, 52 bearings

6 drive gear units

61 inner circular tooths are taken turns 62 driven gears, 63,64 breast wheels

7 one-way clutch mechanisms

71 pin-and-holes, 72 shrinkage pools, 73 promotion faces, 74 driving levers, 741 arcwall faces, 75 arcwall faces

Embodiment

Following conjunction with figs. describes feature of the present utility model and advantage in detail:

As shown in Figures 1 and 2, the utility model manual type weeder, its preferable specific embodiment includes a mechanism body 1, a shell 2, a handspike 3, a cutter unit 4, two wheels 5, at least one drive gear units 6, and at least one one-way clutch mechanism 7, wherein:

Mechanism body 1, as Fig. 2, Fig. 3 and shown in Figure 4, two sides of this mechanism body 1 front end are respectively equipped with a bearing block 11, a wheel shaft 12 and a bearing 13 in the middle of these bearing block 11 sides are combined with two, and be combined with a bearing capping 14 that coats bearing 13 at bearing block 11 medial surfaces, by the position that bearing capping 14 prevents earth, weeds intrusion bearing 13, the rear end of this mechanism body 1 is combined with an adjustable auxiliary wheel 15 again.

Shell 2, as shown in Figure 2, this shell 2 covers on the mechanism body 1, and this front end above shell 2 is provided with opening 21, and these opening 21 places are combined with a cover plate that can separate 22; And these two sides above shell 2 are equipped with the wheel cap 23 of a circular arc respectively; Rear ends above this shell 2 are provided with a spherical pore 24 that handspike 3 combinations can be provided again.

Handspike 3, as shown in Figure 2, this handspike 3 is combined on shell 2 or the mechanism body 1, this handspike 3 includes the stock 31 of a circle or other shapes, these stock 31 front ends are combined with a spheroid 32, this spheroid 32 can be combined in the spherical pore 24 of shell 2 by universal rotation shape, and the rear end of this stock 31 is combined with the handle 33 of a ring-type or other shapes, so allow the user can one hand or both hands grip this handle 33 and promote weeders.

Cutter unit 4, as Fig. 2 and shown in Figure 4, this cutter unit 4 can rotate the front end that is combined in mechanism body 1 of shape, and its central authorities have a rotating shaft 41, and two distal process of this rotating shaft 41 go out two sides of cutter unit 4 and are combined in mechanism body 1; Preferable specific embodiment more comprises between the two bearing bracket 11 that this cutter unit 4 is arranged on mechanism body 1, and two ends of this rotating shaft 41 are located in the bearing 13 of bearing block 11 respectively, and cutter unit 4 can be rotated; The axle body of this rotating shaft 41 is combined with plural cutter holder 42, is being combined with the blade 43 that can adjust and change more than two between two cutter holders 42; This cutter holder 42 is polygonal lamellar body, and each limit of lamellar body is respectively equipped with a stator 421, and this blade 43 is for being combined in the spiral lamellar body of stator 421.

Wheel 5, as Fig. 2 and shown in Figure 4, these wheel 5 rotary two ends that are combined in 4 rotating shafts 41 of cutter unit respectively, its outside is combined with a wheel cap 51, its central authorities are provided with a bearing 52 that is linked in 4 rotating shafts 41 of above-mentioned cutter unit, and wheel 5 can be rotated at 4 two ends, cutter unit.

At least one drive gear units 6, as Fig. 2 and shown in Figure 4, this drive gear units 6 includes the inner circular tooth wheel 61 that is arranged on wheel 5 inboards of one-body molded or combination, one is combined in the driven gear 62 of cutter unit 4 rotating shafts 41, and two

breast wheels

63,64 that are engaged between inner circular tooth wheel 61 and the driven gear 62, these

breast wheel

63,64 rotating middle wheel shafts 12 that are combined in the bearing block 11 of said mechanism body 1 respectively, and have an one-way clutch mechanism 7 between the rotating shaft 41 of this cutter unit 4 and the driven gear 62.

One-way clutch mechanism 7, as Fig. 2, Fig. 4 and shown in Figure 8, the axle body that this one-way clutch mechanism 7 is included in the rotating shaft 41 close ends of cutter unit 4 is provided with a pin-and-hole that radially runs through 71, in driven gear 62 inboards or the central shrinkage pool 72 that is provided with in the outside, hole wall around this shrinkage pool 72 is provided with plural promotion face 73, and in pin-and-hole 71, be equipped with one can be movable driving lever 74, make the promotion face 73 of driving lever 74 end clips around shrinkage pool 72; And be extended with an arcwall face 75 between the top margin of the base of a promotion face 73 and another promotion face 73 around this shrinkage pool 72, and two ends of this driving lever 74 are respectively equipped with an arcwall face 741, so make promotion face 73 forward rotation promote driving lever 74, driving cutter unit 4 again rotates, otherwise promotion face 73 backward rotation then can not promote driving lever 74.

The utility model manual type weeder preferred embodiment more comprises: as Fig. 5 and shown in Figure 6, can be above above-mentioned this shell 2 in addition in conjunction with a rotating pin joint seat 25, and above-mentioned this handspike 3 includes the stock 31 of a circle or other shapes equally, make the rotatable pin joint seat 25 that is combined in of these stock 31 front ends, and the rear end of this stock 31 is combined with the handle 33 of a ring-type or other shapes, allow so equally the user can one hand or both hands grip this handle 33, in order to promote weeder.

The application implementation of the utility model manual type weeder is that weeder is placed on the lawn when weeding is worked, and allows the user grip the handle 33 of handspike 3, promotes weeder whereby and advances forward.As shown in Figure 7, this wheel 5 is pushed at weeder will be because of rotating with the frictional force on ground in the process of advancing, make the inner circular tooth wheel 61 of this drive gear units 6 drive two

breast wheels

63,64 simultaneously, drive driven gear 62 synchronously by these two

breast wheels

63,64 again and rotate.Again as shown in Figure 8, this driven gear 62 will be driven driving lever 74 and rotating shaft 41 when rotating again by the promotion face 73 of one-way clutch mechanism 7, this cutter unit 4 is rotated synchronously, so each blade 43 of cutter unit 4 action of just can mowing.For another shown in Figure 9, otherwise when the user spurs weeder backward, this wheel 5 is with counter-rotation, make inner circular tooth wheel 61 drive two

breast wheels

63,64 and driven gear 62 counter-rotation simultaneously, these one-way clutch mechanism 7 shrinkage pools 72 this moment arcwall face 75 on every side can't promote the arcwall face 741 of this driving lever 74, this cutter unit 4 is rotated, this shows before and after the user is in a block push-and-pull weeder repeatedly, can definitely reach the action of mowing.

The effect that the utility model manual type weeder is reached is, this drive gear units 6 adopts inner circular tooth wheel 61 to drive two

breast wheels

63,64 and driven gear 62 modes, can save structures such as existing many rotating shafts, therefore the drive gear units 6 of having only single rotating shaft 41 of cutter unit 4 central authorities and drive mechanism to simplify reaches the effect that the weeder structure is simplified, volume is small and exquisite and reduce cost.This handspike 3 of the utility model by spheroid 32 can be in the spherical pore 24 of shell 2 rotation direction arbitrarily, also can be by pin joint seat 25 any rotation directions, therefore be particularly suitable for weeder in rugged and rough or place, turning dead angle operation, and then reach the effect of operating easily and promoting weeder easily.Again, this cutter unit 4 of the utility model has the structural design of the blade 43 that can change and adjust, and can reach more to attain practical effect.Person in addition, this shell 2 of the utility model has the cover plate 22 that can separate, if when demand maintenance or cleaning weeder, can reach the effect of easy cleaning and convenient for maintaining weeder inner body.

Comprehensively above-mentioned, more than be the preferred embodiment of the utility model, non-so promptly limit to the claim of the utility model, this case claim must attached later on patent claim defines and is as the criterion.

Claims

1. manual type weeder includes:

Mechanism body;

Shell, this shell cover on the described mechanism body;

Handspike, this handspike are combined on mechanism body or the shell;

It is characterized in that this manual type weeder also comprises:

Cutter unit, this cutter unit are the front end that the rotation shape is combined in described mechanism body, and described cutter unit central authorities have rotating shaft, and outstanding both sides, described cutter unit, the two ends of this rotating shaft also are combined in described mechanism body;

Two wheels, described two wheels are the two ends that the rotation shape is combined in the unit rotating shaft of described cutter respectively;

At least one drive gear units, described drive gear units comprises the inner circular tooth wheel that is arranged on described wheel inboard, be combined in the driven gear of the rotating shaft of described cutter unit, reach two breast wheels that are engaged on described inner circular tooth wheel and described driven gear respectively, these two breast wheels also are meshing with each other; And

One-way clutch mechanism, this one-way clutch mechanism are located between the driven gear of the rotating shaft of cutter unit and drive gear units.

2. manual type weeder as claimed in claim 1, it is characterized in that, described one-way clutch comprises: at the pin-and-hole radially of described rotating shaft setting, at the central shrinkage pool that is provided with of described driven gear, the plural promotion face that hole wall around described shrinkage pool is provided with, and in described pin-and-hole, wear can be movable driving lever, the promotion face of described driving lever end clip around described shrinkage pool.

3. manual type weeder as claimed in claim 2 is characterized in that, is extended with arcwall face between the base that promotes face around the described shrinkage pool and the top margin of another promotion face, and the two ends of described driving lever are respectively equipped with arcwall face.

4. manual type weeder as claimed in claim 1 is characterized in that the both sides of described mechanism body front end are respectively equipped with bearing block, a wheel shaft and a bearing in the middle of described bearing block side is combined with two respectively; Described cutter unit is arranged between described two bearing blocks, and the two ends of described rotating shaft are located in the bearing of described bearing block respectively; Two breast wheels that are engaged on described inner circular tooth wheel and described driven gear respectively are combined in described middle wheel shaft respectively.

5. manual type weeder as claimed in claim 1 is characterized in that, the axle body of the rotating shaft of described cutter unit is combined with plural cutter holder, is being combined with the blade that can adjust and change more than two between two cutter holders.

6. manual type weeder as claimed in claim 1 is characterized in that, is provided with spherical pore above the described shell, and described handspike includes stock, and this stock front end is combined with spheroid, and this spheroid is the rotation shape and is combined in the spherical pore of described shell.

7. manual type weeder as claimed in claim 6 is characterized in that the rear end of described stock is combined with handle.

8. manual type weeder as claimed in claim 1 is characterized in that, is combined with the pin joint seat that can rotate above the described shell, and described handspike includes stock, and this stock front end can rotate and be combined in described pin joint seat.

9. manual type weeder as claimed in claim 8 is characterized in that the rear end of described stock is combined with handle.

10. manual type weeder as claimed in claim 1 is characterized in that the front end above the described shell is provided with opening, and this opening part is combined with cover plate, and the both sides above the described shell are equipped with wheel cap respectively.