CN201160396Y

CN201160396Y - Pruning grass mower with rotary handle

Info

Publication number: CN201160396Y
Application number: CNU2007201297400U
Authority: CN
Inventors: 李钢
Original assignee: SUZHOU JINSHAN ELECTRIC TOOL CO Ltd
Current assignee: SUZHOU JINSHAN ELECTRIC TOOL CO Ltd
Priority date: 2007-12-26
Filing date: 2007-12-26
Publication date: 2008-12-10
Anticipated expiration: 2017-12-26

Abstract

The utility model discloses a branch and grass cutter with a rotary handle, which comprises a casing and the handle. The branch and grass cutter is characterized in that the casing can be movably connected with the handle; positioning devices mutually matched are arranged on the casing and the handle. The casing can rotate correspondingly to the handle and can be positioned after rotating to a certain angle. A user can easily adjust the cutting angle of cutter blades without turning over the entire grass cutter. The branch and grass cutter is more suitable for the edging and shaping of thin branches.

Description

The rotatable beta pruning grass mower of handle

Technical field

The utility model relates to a kind of beta pruning grass mower, specifically is a kind ofly can make the beta pruning grass mower of blade cut adjustable angle by rotary handle.

Background technology

The beta pruning grass mower except that being used to cut the grass, can also be pruned some thin branch and shrubs as a kind of garden instrument.Common on the market beta pruning grass mower generally comprises casing, motor, transmission mechanism, blade, handle and power brick at present, motor and transmission mechanism are arranged in the casing, blade is installed on the transmission mechanism, and handle is connected on the casing, and power brick is arranged in the handle.There is following shortcoming in this class grass mower: handle and casing are and are rigidly connected, casing handle rotation relatively, and the blade that also just causes being connected on the casing can't rotate flexibly relative to handle; Therefore when pruning thin branch and shrub, be beneficial to deburring and moulding for the cutting angle between blade and limb being adjusted to a preferable position, the user must rely on the whole grass mower of the frequent rotation of wrist power, comparatively inconvenience, and because that the center of gravity of whole grass mower tends to is amesiality, it is painstaking that the user also feels more.

Summary of the invention

The utility model purpose is: the deficiency at the existing beta pruning grass mower of mentioning in the background technology exists provides a kind of rotatable beta pruning grass mower of handle that can adjust the blade cut angle by rotary handle flexibly.

The technical solution of the utility model is: the rotatable beta pruning grass mower of a kind of handle comprises casing and handle; It is characterized in that described casing is rotating is connected on the handle, and casing and handle are provided with the positioner that cooperatively interacts.

The mode that is rotatably connected of handle and casing and locate mode between the two are specific as follows in the utility model: the junction of handle and casing has opening opposing, forms the circumferential chute of ring on the inwall of handle openings; Form the circumferential rotatable lamella of ring that embeds chute on the outer wall of casing opening; Slidingly on the handle establish a toggle switch, the part that this toggle switch is positioned at handle has the movable head that is synchronized with the movement with toggle switch, and be distributed with on the annular end face of rotatable lamella some supply movable head support into the location division.

The same with prior art in the housing of the present utility model, inside is equipped with motor and by motor-driven transmission mechanism, blade is installed on the transmission mechanism; Because as the connection fit system between above-mentioned rotatable lamella and the chute makes housing to rotate in the axial direction relative to handle, also just make to be connected the adjustment cutting angle that blade on the interior transmission mechanism of housing can freedom and flexibility.And the cooperation between the location division on movable head on the toggle switch and the rotatable lamella annular end face makes that again blade can be in a certain cutting angle location.Certainly in concrete the use, because handle is convenient to rotate relative to casing, therefore the predetermined fixed casing comes turning handle traditionally, makes that casing is to rotate relative to handle.

Toggle switch preferred elastomeric toggle switch described in the utility model, the elasticity toggle switch mainly is by the pretightning force of extensible member switch to be supported to end at a certain initial position as prior art certainly; Adopt the elasticity toggle switch in the utility model after, elasticity is stirred the movable head of switch bit in handle and will be had all the time to the trend of going into the location division, thereby guarantees the reliability of handle to the casing location.

Location division on the rotatable lamella annular end face described in the utility model can be the breach on through hole or blind hole or the rotatable lamella periphery, it perhaps also can be some other form, purpose is that rotatable lamella can stop operating after guaranteeing to support movable head within it.Certainly can design according to actual needs as for the quantity of location division and the center of circle angle between adjacent two location divisions.

The utility model further is provided with at least one spacing stopper in the chute of described handle; and design has the inconsistent spacing protuberance of this spacing stopper together on the corresponding rotatable lamella; rotatable lamella just can not unconfinedly rotate in chute like this, helps the protection to electric wiring between housing and handle.

Certainly handle in the utility model and the mode that is rotatably connected between the housing and locate mode are not limited to that above-mentioned this is a kind of.

The utility model advantage is:

1. the casing of the rotatable beta pruning grass mower of the utility model handle can rotate relative to handle, and can after turning over certain angle, locate, therefore user's whole grass mower of upset that need not to require great effort just can easily realize adjustment for the blade cut angle making this class grass mower be suitable for withe dried deburring and moulding more.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is a perspective view of the present utility model (handle portion is analysed and observe);

Fig. 2 is a stereochemical structure exploded view of the present utility model;

Fig. 3 is housing of the present utility model and chute junction axial view;

Fig. 4 is a complete perspective view of the present utility model (loading onto blade);

Fig. 5 is the complete perspective view of the utility model after the relative Fig. 4 of housing turns over certain angle.

Wherein: 1, casing; 2, handle; 3, chute; 3a, spacing stopper; 4, rotatable lamella; 4a, location division; 4b, spacing protuberance; 5, toggle switch; 6, movable head; 7, blade; 8, extensible member; 9, arrow logo; 10, second arrow logo; 11, connecting hole.

Embodiment

Embodiment: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 with Figure 5 shows that the agent structure of a kind of specific embodiment of the rotatable beta pruning grass mower of the utility model handle, this agent structure comprises casing 1 and handle 2, motor and transmission mechanism are set in the casing 1, transmission mechanism is by motor-driven, and blade 7 is installed on the transmission mechanism, blade 7 is a prior art, shown in its concrete form is not limited on the figure certainly, can change according to the pruning needs of reality.Casing 1 rotating being connected on the handle 2, and casing 1 is provided with the positioner that cooperatively interacts with handle 2.

In conjunction with Fig. 1, Fig. 2 and shown in Figure 3, the mode that is rotatably connected of handle 2 and casing 1 and locate mode between the two are specific as follows in the present embodiment: handle 2 has opening opposing with the junction of casing 1, be convenient to the perforation of the electric wiring between handle 2 and the casing 1, described electric wiring mainly is power supply wiring between power brick and the casing 1 interior motor in the handle 2 as prior art.

Form the circumferential chute 3 of ring on the inwall of handle openings; Form the circumferential rotatable lamella 4 of ring that embeds chute 3 on the outer wall of casing 1 opening; Slidingly on the handle 2 establish a toggle switch 5, the part that this toggle switch 5 is positioned at handle 2 has the movable head 6 that is synchronized with the movement with toggle switch 5, and be distributed with on the annular end face of rotatable lamella 4 some supply movable head 6 support into location division 4a.

Certainly in conjunction with as shown in Figure 2, because the handle 2 in the present embodiment is by moulding some connecting holes 11 on it, employing fixed connecting piece be combined into by two and half shells; After handle 2 was separated into two parts, chute 3 also was separated into two parts naturally, and the embedding of being convenient to rotatable lamella 4 is installed.

Toggle switch 5 described in the present embodiment is elasticity toggle switches, and its inside at toggle switch 5 is provided with extensible member 8, and purpose is by the pretightning force of extensible member 8 toggle switch 5 to be supported to end at a certain initial position; The movable head 6 that makes this toggle switch 5 be positioned at handle 2 has all the time to the trend of going into location division 4a and blocking spline moving plate 4, thereby guarantees the reliability of 2 pairs of casings of handle, 1 location.

Specifically in conjunction with shown in Figure 3, the concrete form of the location division 4a in the present embodiment on the rotatable lamella 4 is the breach that is distributed on rotatable lamella 4 peripheries, and has preset five breach in the present embodiment on the periphery of rotatable lamella 4, therefore whole rotatable lamella 4 profiles such as gear shape.After a breach in five breach should guarantee that movable head 6 supports, can make housing 1 card end at initial position, also be shell position shown in Figure 4; Other four breach then are symmetrically distributed in the both sides of first breach, make housing 1 to rotate and locate to both sides respectively relative to initial position, are the position location after housing 1 relative initial position turns over certain angle as shown in Figure 5.

And as shown in Figure 3, the step-like spacing stopper 3a that has two reducings in the present embodiment in the chute 3, and form a spacing protuberance 4b on the periphery of rotatable lamella 4, when rotatable lamella 4 rotates in chute 3, because spacing stopper 3a stopping for spacing protuberance 4b, make rotatable lamella 4 have to be restricted rotate in chute 3, purpose is that the electric wiring that prevents 1 of handle 2 and casing is reeled arbitrarily and damaged.The form of certain spacing stopper 3a and spacing protuberance 4b is not limit by present embodiment.

As Fig. 4, shown in Figure 5, after turning over certain angle in order to ensure housing 1 relative handle 2 in the present embodiment, movable head 8 on the toggle switch 5 can accurately support in the 4a of location division, therefore on the outer surface of housing 1, an arrow logo 9 has all been moulded in each 4a position, location division on the corresponding inner rotation sheet 4, and also mould second arrow logo 10 corresponding with internal activity head 6 positions in toggle switch 5 front portions of handle 2, make things convenient for user's location.

Compared to existing technology, present embodiment is by the connected mode and the locate mode thereof of said machine casing 1 and handle 2, makes user's whole grass mower of upset that need not to require great effort just can easily realize being fit to adjustment for blade 7 cutting angles to withe dried deburring and moulding.

Claims

1. the rotatable beta pruning grass mower of handle comprises casing (1) and handle (2); It is characterized in that described casing (1) is rotating is connected on the handle (2), and casing (1) is provided with the positioner that cooperatively interacts with handle (2).

2. the rotatable beta pruning grass mower of handle according to claim 1 is characterized in that the handle (2) and the junction of casing (1) have opening opposing, form the circumferential chute (3) of ring on the inwall of handle openings; Form the circumferential rotatable lamella of ring (4) that embeds chute (3) on the outer wall of casing (1) opening; Handle (2) is gone up the sliding toggle switch (5) of establishing, the part that this toggle switch (5) is positioned at handle (2) has the movable head (6) that is synchronized with the movement with toggle switch (5), and be distributed with on the annular end face of rotatable lamella (4) some for movable head (6) support into location division (4a).

3. the rotatable beta pruning grass mower of handle according to claim 2 is characterized in that having a spacing stopper (3a) in the described chute (3) at least, can be with the spacing protuberance (4b) of this spacing stopper conflict and have on the rotatable lamella (4).

4. the rotatable beta pruning grass mower of handle according to claim 2, the form that it is characterized in that described location division (4a) are the breach on through hole or blind hole or the rotatable lamella periphery.

5. the rotatable beta pruning grass mower of handle according to claim 2, it is characterized in that on the outer surface of described housing (1), an arrow logo (9) has all been moulded in position, each location division (4a) on the corresponding inner rotation sheet (4), and also moulds second arrow logo (10) corresponding with internal activity head (6) position in toggle switch (5) front portion of handle (2).

6. the rotatable beta pruning grass mower of handle according to claim 2 is characterized in that described toggle switch (5) is the elasticity toggle switch.