CN201036266Y

CN201036266Y - Hand-held operating apparatus

Info

Publication number: CN201036266Y
Application number: CNU2007200357635U
Authority: CN
Inventors: 高振东; 陈广福
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2007-04-02
Filing date: 2007-04-02
Publication date: 2008-03-19
Anticipated expiration: 2017-04-02

Abstract

The utility model relates to a hand held operation appliance, comprising a drive component which extends at the longitudinal direction with a main bar at the central axial line, an operation part which is arranged at the end of the main bar and is driven by the drive component, a handle component which is positioned on the main bar, and a switch device which is used for controlling the operation part. The handle component comprises a bracket seat which is arranged on the main bar, and an operation handle which is connected with the bracket seat; the bracket seat is provided with a bracket plane in parallel with the central axial line of the main bar; the joint of the operation handle is freely arranged inside the bracket plane and is provided with at least two operation positions, meanwhile, the operation handle can pivot around the central line of the joint, therefore, more position options for the user are supplied, embodying perfect combination of human and machine project.

Description

Hand-hold operating apparatus

Technical field

The utility model relates to a kind of hand-hold operating apparatus, especially a kind of improved, the brush saw that can regulate the operating grip position.

Background technology

Existing hand-held garden class cutting device, brush saw for example, the vibration that produces in operating process is bigger, and the reaction force that blade produces when the cutting shrub is bigger, so the normal control handle that adopts shape to be similar to hundle-bar is controlled brush saw in the design of brush saw, but this control handle directly is pressed abd fixed on the brush saw main body bar with screw and pressing plate often, makes angle and position between itself and the main body bar non-adjustable, and this kind design can not be satisfied the operating habit of different user.Carry out cutting operation for convenience, the operating grip of adjustable position is set on brush saw main body bar usually, special permission discloses the patent that P2006-6528A number, are called " brush saw " as Japanese Utility Model, and the United States Patent (USP) notification number is that US6536117, name are called " portable operating handle apparatus " and all disclose the brush saw that a kind of setting can be regulated the operating grip position.

Disclosed brush saw comprises an engine that is installed in main body masthead end among the P2006-6528A, one is contained in the main body bar and is driven by engine and makes its drive shaft rotating, one to be contained in the main body bar terminal and by the work package of driving shaft driven rotary, and the operating grip that is arranged at the main body bar, operating grip is connected on the handle bracket, handle bracket is installed on the main body bar between work package and the engine by securing member, the attaching parts of handle bracket are provided with bush structure and are movably connected on handle bracket, make that operating grip can be around the central axis rotation of attaching parts.

Yet the movable of aforesaid operations handle is limited in scope, and can not regulate in the other direction, can not satisfy the operating habit of different user.

A kind of handle bracket structure is disclosed among the US6536117, operating grip is fixedly connected on handle bracket, the handle support is movably connected on the main body bar between work package and the engine, and can in certain angular range, rotate around the axis of a cross-section main body bar central axis, after wanting the position rotating to, by the position of the relative handle bracket of retaining mechanism fixing operation handle.

Yet, in the above-mentioned handle bracket structure,, therefore can not embody good human engineering because the adjustable mode and the adjusting angle of handle bracket all are restricted.

The utility model content

For overcoming the deficiencies in the prior art, the utility model provide a kind of simple to operate, easy to adjust, can provide the user more comfortable operating position, and the brush saw that embodies more perfect man-machine merit journey operating grip.

The utility model is achieved in that a kind of hand-hold operating apparatus, comprise driving element, the main body bar of longitudinal extension, be arranged at the workpiece that the main body boom end is driven by driving element, be arranged at the Handleset on the main body bar, and the switching device that is used to control workpiece, wherein said main body bar defines a central axis, described Handleset comprises the carrier base that is arranged at the main body bar, and be connected in operating grip on the carrier base, described carrier base is provided with the support plane that is parallel to main body bar central axis, described operating grip comprises that one is movably set in the connecting portion in the support plane, with at least two operating positions of acquisition, and the adjustable included angle of connecting portion and main body bar central axis.Described hand-hold operating apparatus is the brush saw that is provided with cutting blade; Described carrier base comprises upper bracket seat and lower carriage seat, and by pivotally connected perpendicular to the rotating shaft on support plane, wherein said lower carriage seat is fixedlyed connected with the main body bar between upper bracket seat and the lower carriage seat, and upper bracket seat and handle connecting portion flexibly connect.Described upper bracket seat comprises seat of honour base plate and seat of honour cover plate, and the support plane is arranged between described seat of honour cover plate and the seat of honour base plate.

Described upper bracket seat can be made as discoid pedestal, and described discoid pedestal is provided with a plurality of accepting grooves, operating grip connecting portion and described accepting groove is selectable is connected, and the support plane is positioned on the discoid pedestal.

Described carrier base is provided with retaining mechanism, is used for the relative position of the relative lower carriage seat of upper bracket seat is locked; Described retaining mechanism comprises the cam member that is pinned at roller end, and the buckle that is connected in cam member, and described cam member is used for and selectable locking of upper bracket seat or release, and described buckle is used for operation control cam member.Described retaining mechanism comprises the cam member that is pinned at roller end, and the buckle that is connected in cam member, and described cam member is used for and selectable locking of upper bracket seat or release, and described buckle is used for operation control cam member.

Described operating grip also further comprises the holding part of being extended by connecting portion, is used for the operator and grips when operation; Described operating grip can pivot around the connecting portion central axis; On the described carrier base locking knob is set, is used for the pivot position of operating grip around the connecting portion central axis locked.

The beneficial effects of the utility model are: because operating grip can be regulated in the support plane that is parallel to main body bar central axis, can rotate around operating grip connecting portion central axis again, make that the operator can be easy to be adjusted to the operating position that is fit to oneself, thereby embody better human engineering.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the end view of the utility model brush saw.

Fig. 2 is the end view of the utility model brush saw Handleset.

Fig. 3 is the three-dimensional exploded view of the utility model brush saw carrier base.

Fig. 4 is the end view of the utility model brush saw carrier base.

Fig. 5 is the vertical view of the utility model brush saw carrier base.

Fig. 6 is the cutaway view of Fig. 5 along the A-A direction.

Fig. 7 is the schematic perspective view of the utility model brush saw Handleset.

Fig. 8 is first kind of position adjustments schematic diagram of the utility model brush saw operating grip.

Fig. 9 is second kind of position adjustments schematic diagram of the utility model brush saw operating grip.

Figure 10 is the schematic perspective view of the utility model brush saw second embodiment Handleset.

Figure 11 is the schematic perspective view of the utility model brush saw the 3rd embodiment Handleset.

Figure 12 is that the utility model brush saw the 4th embodiment carrier base is overlooked the schematic perspective view of direction.

Wherein:

1, brush saw 2, Handleset 35, nut

10, main body bar 20, starting switch 37 (37 '), retaining mechanism

12, protective cover 21, flame-out line 37a, cam member

13, first end 22, throttle trigger 37b, buckle

14, engine 23 (23 '), upper bracket seat 38, pin

15, second end 24 (24 '), lower carriage seat 39, locking knob

16, cutting blade 30, pressing plate 39a, threaded shank

17, operating grip 30 (31) a, groove 40, nut

17a (a ', a "), holding part 31, following 41, screw

17b (b ', b "), connecting portion 32, seat of honour base plate 43, nut

17c, transverse part 32 (33) a, groove 44, adjustable nut

18 (18 '), carrier base 33, seat of honour cover plate 50, accepting groove

19, braces 34, screw β (β '), support plane

X, central axis Y (Y ', Y "), central axis Z, rotating shaft

Embodiment

A kind of hand-hold operating apparatus, its operating grip can be adjusted to different operating positions as required, thereby makes that operation is simpler, comfortable, satisfies different users's operating habit; This hand-hold operating apparatus can be mower, trimmer, brush saw or other garden class cutting device, and the utility model describes as preferred embodiment with brush saw.

Referring to Fig. 1 is first embodiment of the present utility model, brush saw 1 comprises in a tubular form the also main body bar 10 of longitudinal extension, main body bar 10 has defined a central axis X, be installed on the driving element 14 of first end 13 of main body bar 10, this driving element 14 is an internal combustion engine, installation is arranged at the workpiece 16 of main body bar 10 second ends 15, this workpiece 16 is a cutting blade, cutting blade carries out the transmission and the driven in rotation of power by being arranged at main body bar 10 interior flexible axle (not shown)s, wherein second end 15 of main body bar 10 is connected with cover part cutting blade 16 guard shields 12 at least, main body bar 10 is provided with Handleset 2, Handleset 2 comprises operating grip 17, and the carrier base 18 of attended operation handle 17, operating grip 17 flexibly connects by carrier base 18 and main body bar 10, operating grip 17 is provided with the switch module of Cutting Control blade 16 work, it comprises starting switch 20 and flame-out line 21, and the throttle trigger 22 that starts cutting blade 16 rotations, in addition, main body bar 10 is provided with and hangs braces 19, is used for the operator and carries on the back to carry on the arm or take on when cutting operation and carry on the arm and reduce the heavy burden of operating grip 17; Driving element 14 among this embodiment also can be replaced with electromotor or pneumatic means.

Referring to Fig. 2, operating grip 17 to taking the shape of the letter U, comprises connecting portion 17b and by the upwardly extending holding part 17a of connecting portion 17b, wherein connecting portion 17b is connected with carrier base 18 for greatly, carrier base 18 is arranged on the main body bar 10, and wherein connecting portion 17b definition has a central axis Y.

Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, carrier base 18 is in the form of annular discs, and it comprises upper bracket seat 23 and lower carriage seat 24, and wherein lower carriage seat 24 comprises that pressing plate 30 reaches following 31, and upper bracket seat 23 comprises seat of honour base plate 32 and seat of honour cover plate 33; Its center platen 30 is provided with arc-shaped groove 30a, the bottom surface of following seat 31 is provided with same arc-shaped groove 31a, main body bar 10 is contained between groove 30a and the groove 31a, and carry out fastening with following 31 pressing plate 30 by screw 34 and nut 35, lower carriage seat 24 is fixedly connected on the main body bar 10 like this, and the center position of following in addition 31 bottom is provided with an adjustable nut 44; The upper surface of seat of honour base plate 32 is provided with arc-shaped groove 32a, the lower surface of seat of honour cover plate 33 is provided with same arc-shaped groove 33a, the connecting portion 17b of operating grip is contained between groove 32a and the groove 33a, seat of honour base plate 32 is connected with screw 41 by nut 40 with seat of honour cover plate 33, one rotating shaft Z passes the central through hole of seat of honour cover plate 33 and seat of honour base plate 32, be threaded with the adjustable nut 44 that is arranged at down seat 31 bottoms, rotating shaft Z upper end has connected a pin 38, retaining mechanism 37 is connected with rotating shaft Z by pin 38, be used for upper bracket seat 23 and lower carriage seat 24 are carried out releasably locking, retaining mechanism 37 comprise one with the cam member 37a of pin 38 pin joints, and the buckle 37b of fixedlying connected with cam member 37a, rotate around pin 38 to such an extent as to can be used for controlling cam member 37a by buckle 37b; With reference to Fig. 5, when upper bracket seat 23 and lower carriage seat 24 were in locking state, the cam surface of cam member 37a and seat of honour cover plate 33 were fitted and are locked, and buckle 37b is in the position that is meshed with the mating surface of seat of honour cover plate 33; Rotating shaft Z is as the symmetrical centre of discoid carrier base 18, screw 41 and nut 40 are arranged at the side of rotating shaft Z, nut 43 and locking knob 39 then are arranged at the opposite side of rotating shaft Z, and locking knob 39 is provided with threaded shank 39a and is threaded with nut 43, because operating grip connecting portion 17b is arranged at the side near locking knob 39, such setting, make when retaining mechanism 45 is in release conditions, upper bracket seat 23 is rotated as the relative lower carriage seat 24 of pivot with rotating shaft Z, and the operating grip 17 that is connected in the upper bracket seat 23 can be rotated adjusting with the rotation of upper bracket seat 23; Be provided with a support plane β between seat of honour cover plate 33 and the seat of honour base plate 32 and be the Plane of rotation of operation with handle 17, and the central axis Y of operating grip connecting portion 17b is positioned at this support plane β, the central axis X almost parallel of this support plane β and main body bar 10 simultaneously.

With reference to Fig. 7, shown in Figure 8, when the buckle 37b of cocked retaining mechanism 37, the cam member 37a of retaining mechanism 37 rotates with buckle 37b, cam member 37a and seat of honour cover plate 33 are thrown off mutually, the operator can rotate upper bracket seat 23 by operating grip 17, make upper bracket seat 23 relative lower carriage seats 24 turn over an angle, Fig. 8 dotted line position shows two operating positions of the operating grip 17 that turns over different angles, direction shown in the arrow is for rotating the direction of adjusting, and wherein the angle, angle between operating grip connection 17b and the main body bar 10 has produced variation.When selecting and rotating to required operating position, if pull button 37b make cam member 37a rotate to seat of honour cover plate 33 to mutual applying, just retaining mechanism 45 locks this operating position.

With reference to Fig. 7, shown in Figure 9, when locking knob 39 unscrewed, the side near locking knob 39 between seat of honour base plate 32 and the seat of honour cover plate 33 had the certain clearance surplus, and this moment, the connecting portion 17b of operating grip 17 can be rotated around its central axis Y; When rotating to required operating position, screw locking knob 39 again and operating operation 17 can be lock onto upper bracket seat 23, Fig. 9 dotted line position shows the operating position of the operating grip 17 that turns over two different angles, and wherein direction shown in the arrow is for rotating the direction of adjusting.

With reference to Figure 10, be second embodiment of the present utility model, this example structure and first example structure are roughly the same, difference only is that variation has taken place the structure of operating grip, in order to express easily, below identical member be marked with identical numbering and concrete structure repeats no more, different members is marked with different numberings; Its operating grip 17 ' is D shape structure, and connecting portion 17b ' flexibly connects with carrier base 18; Compare with the U-shaped handle, the benefit of D shape handle is that the operator can select different holding areas when cutting operation, except can selecting holding part 17a ', also increased transverse part 17c ' and gripped selection, the person's that satisfies the different operating use habit for the operator; In addition, when the operator is in a kind of operation posture for a long time, be easy to move tired, the structure of operating grip 17 ' and carrier base 18 is arranged so that it can be rotated in the β of the support plane of the central axis X that is parallel to main body bar 10, also can be rotated around the central axis Y ' of connecting portion 17b ' as required and be adjusted to different operating positions, the person's that meets the different operating action need.

With reference to Figure 11, be the 3rd embodiment of the present utility model, this embodiment is roughly the same with above-mentioned two example structure, difference is operating grip 17 " produced variation, saved be used for lock operation handle connecting portion 17b " locking knob; Operating grip 17 " be the U-shaped structure of a horizontally set; connecting portion 17a " be arranged on the carrier base 18, holding part 17b " by bend 17c " with connecting portion 17a " be connected; and holding part 17b " with connecting portion 17a " almost parallel; holding part 17b in addition " but length proper extension handled easily person grip when operating, operating grip 17 " and the syndeton of carrier base 18 make operating grip 17 " can in the support plane that is parallel to main body bar 10 central axis X, be rotated by β, also can be as required around connecting portion 17b " central axis Y " be rotated and be adjusted to different operating positions.When the cam surface of retaining mechanism 37 ' is in release conditions, be provided with the certain clearance surplus between seat of honour base plate and the seat of honour cover plate, make operating grip connecting portion 17b " can be around its central axis Y " be rotated; When the cam surface of retaining mechanism 37 ' and the locking of upper bracket seat, not only the position that is pivoted relative to each other of carrier base is up and down locked, make operating grip connecting portion 17a simultaneously " and seat of honour base plate and seat of honour cover plate between fix by friction.Certainly operating grip can be arranged to various structure and shape, and protection domain of the present utility model also is not limited only to the mentioned handle arrangement of the foregoing description.

With reference to Figure 12, be the 4th enforceable mode of the present utility model, this embodiment is compared with above-mentioned three embodiment, and the main distinction has produced variation in carrier base 18 ' structure; Wherein lower carriage seat 24 ' fixedly is coupled on the main body bar 10, upper bracket seat 23 ' is become to fixedly connecting by original being rotatably connected with lower carriage seat 24 ', and upper bracket seat 23 ' is single discoid pedestal, its upper surface is provided with the (not shown) that plugs that three accepting grooves 50 are used for intactly receiving the operating grip connecting portion, the operating grip connecting portion can the different operating position of conversion by inserting different accepting grooves 50, and promptly the angle of operating grip connecting portion and main body bar central axis X produces corresponding variation; Wherein operating grip can be any or its associated handle of phase of mentioning in the foregoing description, can be provided with a plurality of accepting grooves 50 on the wherein discoid pedestal, this accepting groove 50 has defined a support plane β ', when the operating grip connecting portion is inserted in accepting groove 50, when the central axis of operating grip connecting portion is positioned at this support plane β '.Certainly those skilled in that art can adopt the different modes that can implement that fixing fast or release are carried out in the position of operating grip connecting portion, carry out the operating grip position adjustments with the handled easily person.

Claims

1. hand-hold operating apparatus, comprise driving element (14), one longitudinal extension and definition have the main body bar (10) of central axis (X), be arranged at the workpiece (16) that the main body boom end is driven by driving element, be arranged at the Handleset (2) on the main body bar, and the switching device that is used to control workpiece, it is characterized in that: described Handleset comprises the carrier base (18 that is arranged at the main body bar, 18 '), and be connected in operating grip (17) on the carrier base, described carrier base is provided with the support plane (β that is parallel to main body bar central axis (X), β '), described operating grip comprises that one is movably set in the connecting portion (17b) in the support plane, with at least two operating positions of acquisition, and the adjustable included angle of described connecting portion and main body bar central axis (X).

2. hand-hold operating apparatus according to claim 1 is characterized in that: described hand-hold operating apparatus is the brush saw (1) that is provided with cutting blade.

3. hand-hold operating apparatus according to claim 1 and 2 is characterized in that: described operating grip also further comprises the holding part (17a) of being extended by connecting portion (17b), is used for the operator and grips when operation.

4. hand-hold operating apparatus according to claim 3, it is characterized in that: it is characterized in that: described carrier base comprises upper bracket seat (23,23 ') and lower carriage seat (24), pass through between upper bracket seat and the lower carriage seat perpendicular to support plane (β, β ') (Z) is pivotally connected in rotating shaft, wherein said lower carriage seat is fixedlyed connected with the main body bar, and upper bracket seat and handle connecting portion flexibly connect.

5. hand-hold operating apparatus according to claim 4 is characterized in that: described upper bracket seat comprises seat of honour base plate (32) and seat of honour cover plate (33), and support plane (β) is arranged between described seat of honour cover plate (33) and the seat of honour base plate (32).

6. hand-hold operating apparatus according to claim 4, it is characterized in that: described upper bracket seat (23 ') is discoid pedestal, described discoid pedestal is provided with a plurality of accepting grooves (50), described operating grip connecting portion and accepting groove is selectable is connected, and described support plane (β ') be positioned on the discoid pedestal.

7. hand-hold operating apparatus according to claim 5 is characterized in that: described carrier base (18) is provided with retaining mechanism (37), is used for the pivot position of the relative lower carriage seat of upper bracket seat is locked.

8. hand-hold operating apparatus according to claim 7, described retaining mechanism comprises the cam member (37a) that is pinned at roller end, and the buckle (37b) that is connected in cam member, described cam member is used for and selectable locking of upper bracket seat or release, and described buckle is used for operation control cam member.

9. hand-hold operating apparatus according to claim 8 is characterized in that: described operating grip connecting portion is established central axis (Y, Y ', Y "), and described operating grip can pivot around the connecting portion central axis.

10. hand-hold operating apparatus according to claim 9 is characterized in that: locking knob (39) is set on the described carrier base, is used for the pivot position of operating grip around the connecting portion central axis locked.