CN2568358Y

CN2568358Y - Polisher

Info

Publication number: CN2568358Y
Application number: CN02254933U
Authority: CN
Inventors: 马修·怀特
Original assignee: B&Q Ltd
Current assignee: B&Q Ltd
Priority date: 2001-09-25
Filing date: 2002-09-24
Publication date: 2003-08-27
Anticipated expiration: 2012-09-24
Also published as: EP1295678A2; EP1295678A3; PL356258A1

Abstract

The utility model relates to a portable power polishing machine, which comprises (a) a main body which is held in the palms of users and (b) a strap. At least during service life, the strap is fixed to the main body on the position of at least one fixing point, and furthermore, at least a part of the width of the hand backs of users is passed by the strap.

Description

Sanding machine

Affiliated technical field

The utility model relates to the power sanding machine that a kind of individual who is for example transformed by carpenter/builder/patcher or oneself enforcement family uses.

The content of utility model

According to first aspect, the utility model comprises a kind of hand-held power sanding machine, and this sanding machine comprises that (a) is held in user's the interior main body of palm; And (b) band, at least in use, be fixed to this band on the described main body and make this band pass a part of width of user's the back of the hand at least at least one fixed point.

Preferably, the length of this band is enough to pass the whole width of user's the back of the hand.

More preferably, at least in use, this band is fixed on the grinder body, so that with passing the back of the hand and being held in the ribbon toroid of the main part in the palm around this hand at least two fixed point of separating.Preferably, in use, one of fixing point adjoins an edge (for example adjoining thumb) of hand, and another fixing point adjoins another edge (for example adjoining pinkie) of hand.

This band is preferably flexible.Preferred material as stripping is polymeric material (for example, comprising rubber); Woven fabric (for example, comprising solid ribbon) or the like.In alternately embodiment of the present utility model, this band can be a rigidity basically, for example by being that the polymeric material of rigidity and/or metal and/or wood are made basically.

Preferably, the length of this band can be regulated.Its advantage is to make band center on the back of the hand tighten (to required degree).But also be easy to for example hand is inserted into below the band and/or below band handle take away.Therefore, band can be made by the part that two (or a plurality of) engage or can join to together.The particularly preferred mode that the length of band can be regulated is, on the relative two sides of two or more parts of band shackle jointing strip (for example VELCRO-trade name) is installed.This band can be in addition or is alternately comprised an adjustable bracelet etc.

Preferably, in use, this band passes the back of the hand tighten (preferably the comfort level according to the user reaches required tight ness rating) of user.Useful is, can utilize the length of the band of being regulated by the user to determine the compactness or the slackness of band.

In preferred embodiment of the present utility model, band is rotatably fixed on the grinder body.For example, in two fixed point of separating are fixed to band embodiment of the present utility model on the main body, can pass the axle that two fixing points extend around one band is rotatably fixed on the main body.Its advantage is can make the user that band is passed the back of the hand to navigate on the comfortable position.And, also be easy to hand be inserted into below the band and/or below band handle take away.Band preferably can make user's the hand and/or the angle of arm and main body in use change with respect to the rotation of main body, can use sanding machine with various angles (for example in order to polish greenly to reach the surface) whereby.

Grinder body preferably includes a palm receiving plane, and band passes this surface and extends.This palm receiving plane preferably convex or other similar shape so that comfortable and be engaged in expediently in user's the palm.

Band preferably can make the user long-term comfortable and control and use sanding machine safely.Particularly, this band preferably can make the user control sanding machine basically securely, and need not to firmly grasp the grinder body in the palm.

The size and dimension of sanding machine preferably makes it be easy to for example be used by older or disabled person.

Main body preferably includes the power lapping device that is positioned on the body surfaces relative with the palm receiving plane at least in use.This power lapping device preferably includes an installing rack that can move with respect to grinder body, abrasive article (paper (sand paper), glassine paper, sand paper (emery paper), emery paper or the like) can be installed on this installing rack.Abrasive article need not to be located in the substrates such as paper or card-can adopt any lapping device basically.This abrasive article need not to be installed on the installing rack movably and remove from it-it can be sanding machine an integral part-but preferably this abrasive article can be changed.Yet, most preferably, utilize shackle that connection pad (for example VELCRO-trade name) is installed to this abrasive article movably on the installing rack.

Grinder body preferably includes an engine, and this engine drives the motion of lapping device with respect to main body in use.This engine is motor preferably.Motor mainly is a power supply and/or battery powered.The latter causes main body to preferably include a battery storage chamber.

Lapping device can move with respect to grinder body basically in any suitable manner, thereby plays the required polishing or the effect of grinding.For example, lapping device can rotate (by motor driven) with respect to main body.Yet more preferably, sanding machine is an orbital sander, and lapping device is orbital motion with respect to the motion of main body.For example, can realize this point by making motor driven lapping device (being preferably attached to the abrasive article on the removable installing rack) by the off-centring that lapping device is installed thereon (or eccentric) axle.Preferably lapping device is installed on one or more flexible stoppers, and off-centring axle and flexible stopper make this lapping device carry out so-called orbital motion with respect to grinder body together.

Grinder body preferably includes in order to be positioned at the on-off switch (and/or mill velocity modulation joint control device) on the main element side for the purpose of the facility.Useful is that switch and/or control device for example are symmetrically located on two opposite flanks of main body, hold use to be convenient to left and right handles.

Preferably, band can be dismantled and change.Useful is, in a preferred embodiment, can two in the opposed orientation any band is installed on the grinder body.Be easy to so for example regulate length by the right hand and left hand user respectively.

Description of drawings

Now by way of example, describe the utility model, wherein with reference to accompanying drawing:

Fig. 1 schematically shows first embodiment according to sanding machine of the present utility model;

Fig. 2-5 schematically shows the several accompanying drawings according to second embodiment of sanding machine of the present utility model; And

Fig. 6 shows the details of second embodiment of the present utility model.

The specific embodiment

Fig. 1 shows according to hand-held power sanding machine 1 of the present utility model, and it comprises: the interior main body 3 of palm that (a) is held in the user; And (b) locate to be fixed on the described main body and pass the band 5 that the width of user's the back of the hand (not shown) extends at two fixing points that separate 7 (fixing point has been shown in the accompanying drawing, and another fixing point being hidden by accompanying drawing).

The length of band 5 is adjustable; This band is made by two parts 5a and 5b, by the shackle jointing strip (for example VELCRO-trade name) on this two-part apparent surface 9 and 11 of band these two parts is joined to together.In use, by regulating the length of band by the user, and make this band pass the back of the hand tighten (preferably the comfort level according to the user reaches required tight ness rating) of user.

Main body be convex curve, etc. profile, be held in the hand in the palm being convenient to.The upper surface 13 (as shown in the figure) of main body is the palm receiving plane of convex.On the contrary, the downside of main body (as shown in the figure) is the movably abrasive article of lapping device (not shown)-i.e. enforcement polishing action.

Main body comprises by power supply (there is shown power line 15) drive electric motor.

In two opposite flanks 17 each comprises that all on-off switch 19-sanding machine is symmetrical, for use in the left hand or the right hand.

Fig. 2 shows according in several accompanying drawings of second preferred embodiment of sanding machine of the present utility model first.Sanding machine 1 comprises the main body 3 with convex receiving plane 13, and this receiving plane is generally elliposoidal and is held in user's the palm.Fixing point 7 places on two major axis that are usually located at ellipsoid that separate are fixed to band 25 on the main body 3.Movably installing rack 21 is installed to band on the main body.

Band 25 comprises a continuously band, should continuous band be fixed to the first fixing point 7a firmly and goes up and pass palm receiving plane 13 and extend, and should continuous band fastens also by a 7b that is relatively fixed then and oneself turns back.Latch closure jointing strip (for example VELCRO-trade name)-not shown-utilize this jointing strip that the fold back portion 25b of band 25 is fixed on the major part 25a of band has suitably been located on the surface 23 of band 25, and utilizes this jointing strip can regulate the length of the band major part between the fixing point.

Fixing point 7a and 7b can be escaped (shown in Fig. 5 (a)) from main body.The orientation of band 25 can be opposite, regulated by left hand or right hand user being convenient to.

Also show the on-off switch 19 of sanding machine in Fig. 2, this switch is symmetrically located on the ellipsoid main shaft of main body, thereby no matter the user still uses the right hand with left hand, all can be started this switch by user's thumb.Shown power line 15 adjoins fixing point 7b and extends down at it.At the opposite side of main body, adjoin fixing point 7a and under it, be stopper 27 movably.When removing stopper 27 (referring to Fig. 6), it provides an aperture that is used to install vacuum hose, so that remove the chip that produces owing to polishing technology in sanding machine.

Fig. 3 is the reverse side figure of the sanding machine shown in Fig. 2.There is shown airport 20-when vacuum hose being installed on the hole 35 and in use starting, can be by these airports with in the air suction main body.

Fig. 4 is the end-view of the sanding machine of Fig. 2 and 3.The shown fact is, the major axis that fixing point can make band center on the main body ellipsoid rotates, and user's hand and/or wrist are changed with respect to the position of main body.

As mentioned above, Fig. 5 (a) shows band and the removed sanding machine of fixing point.

Fig. 5 (b) shows the downside of sanding machine-show movably installing rack 29, abrasive article can be installed on this installing rack.

Fig. 6 shows the details of above-described movably stopper 27.This stopper comprises a pair of resilient flexibility brake component 31 that is received by the depression in the hole 35 33.Depression 33 can make stopper fully push in (not rotating basically) hole, so that the brake component 31 of stopper is engaged on the internal edge 37 in hole.Avoid stopper from the hole, to separate whereby, till 39 engagements of the depression on the trailing edge 37 in stopper half-twist and stopper brake component 31 and hole, make stopper from the hole, withdraw from (not rotating basically) then.

Claims

1. a hand-held power sanding machine is characterized in that, comprising:

(a) interior main body of palm that is held in the user; And

(b) band at least in use, is fixed to this band on the described main body and makes this band pass a part of width of user's the back of the hand at least at least one fixed point.

2, sanding machine according to claim 1 is characterized in that: the length of described band is enough to pass the whole width of user's the back of the hand.

3, sanding machine according to claim 1 and 2 is characterized in that: at least in use, at least two fixed point of separating described band is fixed on the described grinder body.

4, sanding machine according to claim 3 is characterized in that: one of positioning and fixing point, and make its thumb that adjoins the user in use, and locate another fixing point, make it adjoin user's pinkie in use.

5, according to the described sanding machine of aforementioned each claim, it is characterized in that: described band is flexible.

6, according to the described sanding machine of aforementioned each claim, it is characterized in that: the length of described band is adjustable.

7, sanding machine according to claim 6 is characterized in that: described band is to be made by the two or more joints or the part that can join to together.

8, sanding machine according to claim 6, it is characterized in that: described band comprises a band continuously, should continuous band be fixed on first fixing point firmly and pass main body and extend, being relatively fixed by another then a little makes this continuous band button also oneself turn back.

9, according to the described sanding machine of aforementioned each claim, it is characterized in that: described band is rotatably fixed on the described main body.

10, sanding machine according to claim 9 is characterized in that: described band is rotatably fixed on the described main body around an axle that passes two fixing points extensions.

11, according to the described sanding machine of aforementioned each claim, it is characterized in that: described main body comprises a palm receiving plane, and described band passes this receiving plane and extends.

12, sanding machine according to claim 11 is characterized in that: described palm receiving plane be convex or other similar shape so that comfortable and be engaged in expediently in user's the palm.

13, according to claim 11 or 12 described sanding machines, it is characterized in that: described palm receiving plane is elliposoidal normally.

14, sanding machine according to claim 13 is characterized in that: also comprise the gauge tap of a sanding machine, this switch is symmetrically located on the ellipsoid minor axis of main body.

15, sanding machine according to claim 11 is characterized in that: described main body comprises the power lapping device that is positioned on the relative body surfaces of palm receiving plane at least in use.

16, sanding machine according to claim 15 is characterized in that: described power lapping device comprises an installing rack that can move and can install abrasive article with respect to grinder body.

17, according to claim 15 or 16 described sanding machines, it is characterized in that: main body comprises an engine that drives lapping device with respect to the motion of main body in use.

18, according to each described sanding machine of claim 15-17, it is characterized in that: described sanding machine is a kind of orbital sander, and lapping device is a kind of orbital motion with respect to the motion of main body.

19, according to the described sanding machine of aforementioned each claim, it is characterized in that: main body also comprises a plurality of airports, in use, and can be by these airports with in the described main body of air suction.

20, according to the described sanding machine of aforementioned each claim, it is characterized in that: described main body comprises an aperture that is used to install vacuum hose.

21, sanding machine according to claim 20 is characterized in that: described aperture comprises a movably stopper, and described stopper comprises a pair of interior resilient flexibility brake component of depression that is received in described aperture.

22, sanding machine according to claim 21 is characterized in that: described depression can make described stopper fully push in the hole and not rotate basically, thereby the brake component of described stopper is engaged on the internal edge in described hole.

23, sanding machine according to claim 22, it is characterized in that: avoid described stopper from described hole, to separate, till other depression engagement on the trailing edge in described stopper rotation and described stopper brake component and described hole, make described stopper from the hole, withdraw from and not rotate basically then.