CN201524950U

CN201524950U - Sanding machine

Info

Publication number: CN201524950U
Application number: CN2009200453701U
Authority: CN
Inventors: 吹拔正敏; 魏淦
Original assignee: Nanjing Chervon Industry Co Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2009-05-18
Filing date: 2009-05-18
Publication date: 2010-07-14
Anticipated expiration: 2019-05-18

Abstract

The utility model relates to a sanding machine, in particular to a sanding machine with an adjustable bottom plate, comprising a machine shell, a motor arranged in the machine shell, a transmission mechanism which is arranged in the machine shell and is driven by the motor, a fixed bottom plate which is positioned at the lower part of the machine shell and connected with the transmission mechanism, and a movable bottom plate which is arranged on the fixed bottom plate, wherein the movable bottom plate can be moved to a first position or a second position relative to the fixed bottom plate; and on at least one position therein, one part of the movable bottom plate extends out of the fixed bottom plate. By the structure, the sanding machine has convenient use, can carry out sanding operation on the narrow space and is easy to carry and store.

Description

A kind of sander

Technical field

The utility model relates to a kind of sander, the adjustable sander of especially a kind of base plate.

Background technology

There is various sander to be used for surface of the work is carried out the sanding operation in the market, as disclosed mouse sand in the U.S. Pat 7291061, when the operator operates, earlier sand paper is installed on the fixed base plate of sander, starts sander then and realize the sanding operation.The base plate of sander that US7291061 discloses is unadjustable with respect to fuselage, and therefore the sand paper that is installed on the base plate is also unadjustable with respect to the position of fuselage.If desired the small space or the narrow and small position of workpiece that do not allow the sander complete machine to enter are operated, outstanding microscler ligule parts need be installed on base plate in addition, and additional microscler sand paper is operated to be used for sanding on these microscler ligule parts.When not required, again the ligule parts are unloaded.Significantly, dismounting ligule parts have increased operation easier to the user, and the ligule parts are lost when carrying or store easily as parts that are independent of sander.

Summary of the invention

The technical problem that the utility model solves is: a kind of easy to use, sander that can carry out the sanding operation and the storage that is easy to carry about with one to small space is provided.

For solving the problems of the technologies described above, sander of the present utility model, comprise a casing, a motor that is installed in the casing, it is interior by motor-driven transmission mechanism to be installed in casing, a fixed base plate that is positioned at the casing bottom and links to each other with transmission mechanism, a movable floor that is installed on the fixed base plate, movable floor can move on to first position or second position with respect to fixed base plate, and at least one position therein, the part of movable floor is stretched out fixed base plate.

Further, as an improvement of the present utility model, described movable floor moves on to the process of second position from first position with respect to described fixed base plate, and described movable floor is connected in described fixed base plate always.

By said mechanism, the operator can be easy to sander is switched to the state that can carry out the sanding operation to small space.

Description of drawings

Fig. 1 is the explosive view of the sander movable floor of the utility model embodiment one;

Fig. 2 is the phantom of sander when movable floor is positioned at first position of the utility model embodiment one; Fig. 3 is the phantom of sander when movable floor is positioned at second position of the utility model embodiment one;

Fig. 4 is sander cutaway view when movable floor is positioned at first position of the utility model embodiment two, and wherein casing, motor, running part omit, and bottom deck assembly only is shown;

Fig. 5 is bottom deck assembly cutaway view when movable floor is positioned at second position of sander among Fig. 4;

Fig. 6 is the cutaway view of the governor motion of bottom deck assembly among Fig. 4 along A-A.

The specific embodiment

As shown in Figure 1, the sander of the utility model embodiment one comprises a casing 1, one is installed in the bottom that 51, one interior in motor of casing is installed in the casing and is positioned at sander by 53, one fixed base plates 2 that link to each other with the output shaft 55 of transmission mechanism 53 of motor-driven tape handler.For those of ordinary skills, the transmission mechanism of sander can also be the suitable transmission mechanism of various gear drives, turbine and worm transmission and other kinds except tape handler, and these all are known technologies, do not repeat them here.

Fixed base plate 2 is along being formed with two

circular projections

4,5 on its center line directions X.Be formed with an

internal thread hole

6,7 respectively in the circular projection 4,5.Movable floor 3 along have on its center line Y direction two with the

corresponding step trough

8,9 in

circular projection

4,5 positions.Step trough 8 comprises one the first elongated slot 8a and the second elongated slot 8b.Preferably, step trough 9 has same configuration with step trough 8, comprises one the first elongated slot 9a and the second elongated slot 9b.When movable floor 3 is installed on the fixed base plate 2, the center line X of fixed base plate 2 and the center line Y of movable floor 3 are positioned at a plane Z perpendicular to base plate jointly,

projection

4,5 on the fixed base plate 2 lays respectively in the first elongated slot 8a on the movable floor 3 and the first elongated slot 9a and matches with it, makes movable floor 3 to slide along its centerline direction with respect to fixed base plate 2.Male thread portion 10a, the 11a of a pair of securing

member

10,11 screwed in respectively in the

internal thread hole

6,7 on the

circular projection

4,5, and tightening

fastener parts

10,11 makes head of screw part 10b, the 11b of securing

member

10,11 movable floor 3 be pressed to fixed base plate 2 and be fixed on the fixed base plate 2.When movable floor 3 is fixed on the fixed base plate 2, the head of screw part 10b of securing

member

10,11,, 11b is positioned at respectively in the second elongated slot 8b, the 9b of

step trough

8,9 fully, and does not protrude in the bottom surface 31 of movable floor 3.In other embodiments, two projections on the fixed base plate 2 also can or be positioned at center line X one side and be parallel to an elongated projection of center line directions X extension or a plurality of projections that are symmetrically distributed with center line X with an elongated projection of extending along the center line directions X; And two

corresponding step troughs

8,9 on the movable floor 3 also can be one along a step trough on its center line Y or be positioned at center line X one side and be parallel to center line step trough or with center line Y two step troughs that are symmetrically distributed.The outer surface of the circular projection on fixed base plate 2 can be formed with an external screw thread respectively in addition, and is formed with internal thread hole on securing

member

10,11, so that the connection between projection and the securing member.

As shown in Figure 2, movable floor 3 has a fore-end 12, and when movable floor 3 was positioned at as shown in Figure 2 primary importance with respect to fixed base plate 2, the fore-end 12 of movable floor 3 did not stretch out described fixed base plate 2, and the operator can carry out common sanding operation.When needs carry out the sanding operation to small space, the operator can loosening

fasteners

10,11, by the circular projection 4 on the

fixed base plate

2,5 with movable floor 3 on the first elongated slot 8a and being slidingly matched of the first elongated slot 9a, the operator promotes movable floor 3 and slides into a suitable second place with respect to fixed base plate 2 along its centerline direction, and as shown in Figure 3, this moment, the fore-end 12 of movable floor 3 stretched out fixed base plate 2.12 one-tenth one tip shapes of fore-end, also other is convenient to the suitable shape of sanding in other embodiments certainly, and the operator can carry out the sanding operation to narrow space at an easy rate like this.

As Fig. 4, shown in 5,6 is the sander of the utility model embodiment two, and wherein casing, motor, running part omit, and bottom deck assembly only is shown.Embodiment two is with numeral or alphabetical TYP or corresponding element or parts identical in the embodiment one.In embodiment two, movable floor 3 is formed by stacking by plate 35,37.Plate 37 is preferably on the position of its center line Y and is formed with a pair of groove 13, is formed with corresponding a pair of groove 13 ' with groove 13 corresponding positions on plate 35.Groove 13,13 ' can be rectangle or other suitable shapes.The guide plate with groove 14 33 identical with groove 13 quantity is clipped between the

plate

35,37 regularly, groove 14 spatially is interconnected with groove 13,13 ', and the size of groove 14 is littler than groove 13,13 ', can be rectangle or other suitable shapes, thereby forms step trough.In other embodiments,

plate

37,35 and guide plate 33 also can be integrally formed.Be preferably in a series of holes 19 that are formed with on its center line directions X with

groove

13,13 ', 14 position correspondences on the fixed base plate 2.Locking member 15 has a head 16, an afterbody 17 and a middle part 15 ', its head 16 and afterbody 17 all have the cross section bigger than middle part 15 ', the cross sectional dimensions basically identical in middle part 15 ' cross section and hole 19 or be slightly less than the cross section in hole 19,15 ' can move up and down in hole 19 in the middle part of making.The middle part 15 ' of locking member 15 is passed the groove 14 of the guide plate 33 of movable floor, the hole 19 of fixed base plate 2 successively, and its afterbody 17 is arranged in the groove 13 of groove 14 belows, and head 16 is positioned at 19 tops, hole.One compression spring 18 is enclosed within on the middle part 15 ' of locking member 15, and two ends withstand on respectively between the head 16 of 19 tops, the hole place of solid roof and floor and locking member 15.On the direction perpendicular to plane Z, the width of locking member 15 afterbodys 17 is bigger than groove 14, and less than or equal the width of groove 13 substantially; On the direction of movable floor 2 center line Y, the length of locking member 15

afterbodys

17 and 14 groove basically identicals or smaller, and be significantly less than the length of groove 13, thus the afterbody 17 of locking member 15 can the direction along center line Y be moved in groove 13.By this locking mechanism, under spring 18 effects, the afterbody 17 of locking member 15 applies the pressure towards fixed base plate 2 on the guide plate 33 of movable floor 3, thereby movable floor 3 is pressed on the fixed base plate 2.

As shown in Figure 4, when movable floor 3 was in first position, the rear end part 12 ' of movable floor 3 did not stretch out described fixed base plate 2.The rear end part 12 ' of movable floor 3 is wide than fore-end.When the operator need regulate 3 to second positions of movable floor, the active force that the operator overcomes spring 18 outwards spurs locking member 15, make the afterbody 17 of locking member 15 and the guide plate 33 of movable floor 3 break away from, promote movable floor then to the suitable second place, as shown in Figure 5, this moment, the rear end part 12 ' of movable floor 3 stretched out fixed base plate 2, the operator discharges locking member 15 then, the afterbody 17 of locking member 15 is pressed on the guide plate 33 of movable floor 3 once more, thereby movable floor 3 is compressed with respect to fixed base plate 2.In other embodiments,

groove

13,13 ', 14 and the quantity and the shape in hole 19 can carry out suitable variation.And, in other embodiments, realize the locking of movable floor with respect to fixed base plate, also can adopt the locking mechanism of cam lock mechanism for example or other adequate types.

In other embodiments, on the second place of movable floor, can also make other parts of movable floor expose fixed base plate.By adopting sander of the present utility model, in the time need carrying out the sanding operation to the narrow and small position that is not suitable for small space that the sander complete machine enters or workpiece, can easily movable floor be adjusted to the suitable second place, in this process, do not need to pull down movable floor or additional in addition other bottom parts, if there has been sand paper to be attached on the movable floor, do not need extra mobile sand paper yet.

Only be the specific embodiment of the present utility model shown in description above and the accompanying drawing, the claimed scope of the utility model is based on claims.For example the primary importance described in the utility model and the second place are not limited to the position shown in the accompanying drawing, and can be any two positions in the sliding floor sliding stroke, the fore-end that is not limited to described movable floor in the utility model stretches out fixed base plate in addition, and the other parts of movable floor also can be stretched out fixed base plate.By to above describing and the understanding of accompanying drawing, those of ordinary skill in the art is by same mode, and perhaps with the form through simple replacement, non-creativeness ground is simply replaced partial component and is regarded as in the scope of protection of the invention.

Claims

1. sander, comprise a casing, a motor that is installed in the casing, one is installed in the casing by motor-driven transmission mechanism a fixed base plate that is positioned at the casing bottom and links to each other with transmission mechanism, a movable floor that is installed on the fixed base plate, it is characterized in that, described movable floor can move on to first position or second position with respect to fixed base plate, and on described at least one position wherein, the part of described movable floor is stretched out described fixed base plate.

2. sander as claimed in claim 1 is characterized in that, when described movable floor was positioned at first position, the part of described movable floor was not stretched out described fixed base plate; When described movable floor was positioned at second position, the part of described movable floor was stretched out described fixed base plate.

3. sander as claimed in claim 2 is characterized in that, the part of described movable floor is the fore-end of movable floor.

4. sander as claimed in claim 3 is characterized in that the leading section of described movable floor is divided into the tip shape.

5. sander as claimed in claim 1 is characterized in that, described movable floor moves on to the process of second position from first position with respect to described fixed base plate, and described movable floor is connected in described fixed base plate always.

6. as each described sander among the claim 1-5, it is characterized in that, be formed with at least one projection on the described fixed base plate, be formed with at least one step trough on the described movable floor, described step trough is formed with first elongated slot and second elongated slot, described projection and described first elongated slot are slidingly matched, form female thread portion in one end of at least one securing member and described at least one projection one of them, form male thread portion on wherein another, described female thread portion is connected with described male thread portion, and the other end of described securing member is positioned at second elongated slot of described step trough.

7. sander as claimed in claim 5, it is characterized in that, described fixed base plate has a center line, be formed with at least one projection on the described fixed base plate, described projection is positioned on the center line of described fixed base plate, described movable floor has a center line, is formed with at least one step trough on the described movable floor, and described step trough is positioned on the center line of described movable floor.

8. as each described sander among the claim 1-5, it is characterized in that, be formed with at least one groove on the described fixed base plate, has a step trough on the described movable floor at least, described sander also comprises a locking member and a spring, described locking member includes a head, one middle part, an and afterbody, described spring the head of described locking member and and fixed base plate between, the step trough of described fixed base plate and described movable floor is passed at the middle part of described locking member, and the afterbody of described locking member is pressed on the cascaded surface of step trough of described movable floor.