CN203261834U

CN203261834U - Hedge trimmer with rotatable handle

Info

Publication number: CN203261834U
Application number: CN 201320315751
Authority: CN
Inventors: 郭宁; 蔡向阳
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2013-06-04
Filing date: 2013-06-04
Publication date: 2013-11-06
Anticipated expiration: 2023-06-04

Abstract

The utility model discloses a hedge trimmer with a rotatable handle. The hedge trimmer with the rotatable handle is composed of the handle, an enclosure, a power system and a pruning tool. The power system is arranged inside the enclosure and drives the pruning tool, the pruning tool is arranged on the front portion of the enclosure, and the handle is rotatably arranged on the rear portion of the enclosure. A trigger switch and a rotary lock are arranged on the handle, buttons and a first locking rod are arranged on the rotary lock, and an elastic resetting piece is arranged on the rotary lock. A plurality of gear grooves are formed in the circumference, in contact with the handle, of the enclosure, and when the buttons are pressed or released, the first locking rod is separated from the gear grooves or enters into the gear grooves. Due to the fact that the buttons and the elastic resetting pieces are arranged on the rotary lock, a user can adjust the angle of the handle and the angle of the enclosure in a pressing mode. Compared with the prior art, the hedge trimmer saves more effort, is more convenient to operate, accords with operation habits of people better, and the hedge trimmer is simple in structure, and manufacturing cost is reduced.

Description

Shrub and hedge trimmer with rotatable handgrip

Technical field

The utility model relates to a kind of shrub and hedge trimmer with rotatable handgrip

Background technology

Shrub and hedge trimmer are a kind of garden instruments for pruning branch, in use the different posture of necessary conversion is pruned the branch of diverse location, interfix between conventional its handle of shrub and hedge trimmer and body and can't adjust its relative position, the operator in use can not adjust the angle of shrub and hedge trimmer according to the use habit of oneself, reduce the operability of shrub and hedge trimmer, increased operator's labour intensity.

Application number is that 200410064903.2 Chinese patent discloses a kind of electric shrub and hedge trimmer, its handle is arranged on casing by cannelure is rotatable, the handle upper end is provided with chute, push button, spring, push button can slide in chute, spring one end is connected with push button, and the other end is connected with handle, with the handle contact site, some lock slots is arranged on casing, push button inserts in lock slots under the effect of elastic force, passes backward push button with thumb in the time of need to unclamping push button and lock slots are broken away from.When stirring push button backward by the reaction force of the friction balance between thumb and push button from spring, therefore the user in use not only needs to press push button but also needs push button is stirred backward, using relatively effort cause operate more difficult, also easier fatigue.Also more easily skid between thumb and push button simultaneously and cause maloperation.

Application number is that 200720194878.9 above-mentioned patents are improved, and it will rotate by the chute that is arranged on handle the downside that pull-button is arranged on driving switch, and pull and then adjust the anglec of rotation of handle by forefinger or middle finger.But finger need to be inserted in handle when using forefinger and middle finger to pull, and handle is arranged on handle position on the lower, the convenient not operating habit that also is not accordant to the old routine of its mode of operation.

Application number is a kind of shrub and hedge trimmer with rotary handle of similarly disclosing of US6108867, and the structure of this patent too complexity is unfavorable for reducing manufacturing cost.

The utility model content

Provide a kind of shrub and hedge trimmer with rotatable handgrip for addressing the above problem the utility model, consisted of by handle, casing, dynamical system and lopping shears; Dynamical system is arranged on the inside of casing and drives lopping shears, and lopping shears is arranged on the front portion of casing, and handle is rotatably installed in the rear portion of casing; Be provided with trigger and rotation lock on handle, rotation lock is provided with button and the first locking bar, and elastic reset spare is housed on rotation lock; Be provided with a plurality of gear grooves on casing and circumference that handle contacts, press or during release-push, the first locking bar breaks away from or enters the gear groove.

Preferably, rotation lock has the second locking bar with the first locking bar interlock, and the second locking bar and trigger are interlockable.

Preferably, trigger is provided with locating part, and when trigger was closed, locating part propped up second locking bar the first locking bar and can't break away from the gear groove; When the first locking bar broke away from the gear groove, the second locking bar props up the locating part trigger can't be closed.

When preferably, trigger is not closed, the end of the second locking bar is higher than locating part.

Preferably, the rotating shaft of the first locking bar is roughly mutually vertical in the space with the rotating shaft of rotary handle.

Preferably, button is arranged on the outer surface of handle, and described elastic reset spare is arranged on the bottom of button.

Preferably, stay cord is set on trigger, stay cord is connected with contiguous block on being arranged on the trigger groove, and this contiguous block and trigger can relatively rotate.

Preferably, the button of above-mentioned rotation lock, the first locking bar and the second locking bar are wholely set.

The mode of the first locking bar and the second locking bar rotating gang makes trigger and rotation lock realize interlocking, can't the regulating handle angle when making the shrub and hedge trimmer operation, and can't start shooting during the regulating handle angle, thereby guarantee safety in operator's use procedure.Simultaneously by being arranged on button and elastic reset spare on rotation lock, make the operator can adjust by the mode of pressing the angle of handle and casing, relatively and prior art more laborsaving, more convenient operation meets people's operating habit, the utility model has also the had easy Structure Decreasing cost of manufacturing.

Description of drawings

Fig. 1 is shrub and hedge trimmer complete machine schematic diagram.

Fig. 2 is the assembly relation schematic diagram of handle of pruning scissors, casing and rotation lock.

Fig. 3 is the joint face schematic diagram of casing and handle.

Fig. 4 is the local enlarged diagram of rotation lock in Fig. 1, handle.

Fig. 5 is rotation lock when adjusting angle, trigger generalized section.

Rotation lock, trigger generalized section when Fig. 6 is the trigger closure.

Fig. 7 is the trigger schematic diagram.

Embodiment

Below in conjunction with accompanying drawing, the utility model scheme is described further.

With reference to Fig. 1, pruner is made of handle 1, casing 2, dynamical system (not shown), assist handle 4, power line 5 and lopping shears 6; Dynamical system is arranged on the inside of casing and drives lopping shears 6, and lopping shears 6 is arranged on the anterior of casing 2 and closes on assist handle 4; Described handle 1 is rotatably installed in the rear portion of casing 2, is provided with trigger 7 and rotation lock 8 on handle, and described power line is stretched out by the rear portion of handle 1, and when trigger 7 was closed, the dynamical system power supply was switched on, and pruner is started working.

With reference to Fig. 2, the circular chute 23 that passes through between casing 2 and handle 1 is connected, handle can rotate to adjust angle on chute, arm pivot post A is vertical with the plane at chute 23 places, have a described power line 5 of opening 21 enters in casing 2 and with motor by this opening and is connected at the center of chute, be provided with 5 gear grooves 22 on handle and circumference that casing contacts, the gear groove is evenly distributed on upper semicircumference, the relative position that this gear groove 22 is used between secured adjusted angle back handle and casing 2.

With reference to Fig. 2, Fig. 3 and Fig. 4, rotation lock 8 is arranged in the middle of two handle case 14, and rotatably install by the first axle 10 in handle 1, the rotating shaft C of rotation lock is mutually vertical in three dimensions with arm pivot post A, the top of rotation lock 8 is that this button 81 is arranged on the top of handle 1 for the button 81 of operation.Handle inside also has back-moving spring 11, back-moving spring is positioned at the bottom 81 of button, baffle plate 15 in one end of back-moving spring 11 and handle is inconsistent, the other end of back-moving spring 11 is set on the spring stack 82 of button 81, and this back-moving spring 11 is in all the time compressive state and provides restoring force for resetting of button 81.The first locking bar 83 is set in the bottom of button 81, the first locking bar extends out to its bearing of trend approximate horizontal in described gear groove 22, also be provided with second locking bar 84 substantially vertical with the first locking bar 83 on rotation lock 8, the end 85 (with reference to Fig. 5) of the second locking bar extends to locating part 71 places of trigger 7, when trigger 7 was not closed, the end 85 of the second locking bar was higher than locating part 71.This locating part props up the second locking bar 84 when trigger is closed, make the first locking bar 83 can't break away from gear groove 22, the first locking bars 83 when breaking away from gear groove 22 the second locking bar 84 prop up locating part 71 and make the trigger can't be closed.

With reference to Fig. 4 to Fig. 7, described trigger is rotatably installed on handle 1 by the second axle 13, and provide restoring force by trigger spring 12, trigger 7 is provided with trigger groove 72, described the second locking bar 84 extends to the outside of trigger spring 12 in the trigger groove, and locating part 71 is the "T"-shaped outside that is arranged on the second locking bar 84 in trigger groove 72.The user need to adjust the angle of handle 1 only need to press button 81 downwards, the first securing rod rotated and broke away from gear groove 22 around the first axle 10 this moment, simultaneously the second locking bar 84 rotates the locating parts that will be arranged on to the top of locating part 71 in trigger groove 72 and props up and make the trigger can't be closed, rotation casing 2 or handle 1 are adjusted to suitable position, then decontrol button 81, the restoring force that is provided by back-moving spring 11 makes the first locking bar 83 head into gear groove 22, the second locking bar 84 separates with locating part 71 simultaneously, and trigger 7 can be freely movable.Similarly, during closed trigger, locating part 71 turns to the position that the second locking bar 84 is propped up, and makes the first locking bar 83 can't rotate disengaging with gear groove 22.Front ends in described trigger groove 72 are provided with the stay cord 9 that is connected with switch, and the end of stay cord is fixed in contiguous block 73, and this contiguous block can rotate freely at trigger groove 72, so described stay cord 9 can distortion during rotatable handle.

In a word, the utility model adopts the mode of the first locking bar 83 and the second locking bar 84 rotating gangs to make trigger 7 and rotation lock 22 realize interlocking, namely trigger 7 can not be closed when adjusting handle and casing 2 angles, when trigger 7 is closed, handle can not be adjusted angle, thereby has guaranteed the safety in operator's use procedure.Simultaneously by being arranged on switch and the back-moving spring 11 on rotation lock 8, make the operator can adjust by the mode of pressing the angle of handle and casing 2, relatively and prior art more laborsaving, more convenient operation meets people's operating habit, the utility model has also the had easy Structure Decreasing cost of manufacturing.

Above-described embodiment is the better embodiment of the utility model one, but protection domain of the present utility model is not had the restriction effect, and the change that those skilled in the art do according to the utility model Spirit Essence is all in protection domain of the present utility model.

Claims

1. the shrub and hedge trimmer that have rotatable handgrip are made of handle, casing, dynamical system and lopping shears; Dynamical system is arranged on the inside of casing and drives lopping shears, and lopping shears is arranged on the front portion of casing, and described handle is rotatably installed in the rear portion of casing; It is characterized in that, be provided with trigger and rotation lock on handle, rotation lock is provided with button and the first locking bar, and elastic reset spare is housed on rotation lock; Be provided with a plurality of gear grooves on described casing and circumference that handle contacts, press or during release-push, the first locking bar breaks away from or enters the gear groove.

2. the shrub and hedge trimmer with rotatable handgrip as claimed in claim 1, is characterized in that, described rotation lock has the second locking bar with the first locking bar interlock, and the second locking bar and trigger are interlockable.

3. the shrub and hedge trimmer with rotatable handgrip as claimed in claim 2, is characterized in that, described trigger is provided with locating part, and when trigger was closed, locating part propped up second locking bar the first locking bar and can't break away from the gear groove; When the first locking bar broke away from the gear groove, the second locking bar props up the locating part trigger can't be closed.

4. the shrub and hedge trimmer with rotatable handgrip as claimed in claim 2, is characterized in that, when trigger is not closed, the end of the second locking bar is higher than locating part.

5. shrub and hedge trimmer with rotatable handgrip as claimed in claim 1 is characterized in that: the rotating shaft of described the first locking bar is roughly mutually vertical in the space with the rotating shaft of rotary handle.

6. the shrub and hedge trimmer with rotatable handgrip as claimed in claim 1, is characterized in that, described button is arranged on the outer surface of handle, and described elastic reset spare is arranged on the bottom of button.

7. the shrub and hedge trimmer with rotatable handgrip as claimed in claim 1, is characterized in that, on described trigger, stay cord is set, and stay cord is connected with contiguous block on being arranged on the trigger groove, and this contiguous block and trigger can relatively rotate.

8. the shrub and hedge trimmer with rotatable handgrip as described in claim 2 to 7 any one, is characterized in that, the button of described rotation lock, the first locking bar and the second locking bar are wholely set.