CN103123036B - Support - Google Patents

Abstract

The invention provides a kind of support, comprise the base, column and the working head that are linked in sequence.Described base is for supporting described support, described working head comprises the working part with absorption surface, described support is provided with the regulating mechanism driving described working part linear motion, described regulating mechanism has output terminal that output linearity that input end is connected with described working part moves, be located at movement conversion mechanism between described input end and output terminal, position when described movement conversion mechanism drives described output terminal to move and makes when described input end stop motion described output terminal stop linear motion and remain on stop motion under the drive of described input end.Operator does not need the gravity overcoming column and working head, hold column and keep column motionless, and the input of the control input end only need be absorbed in can guarantee that working head moves predetermined distance within a period of time, and the position adjustment of working head accurately and easily.

Description

Support

Technical field

The present invention relates to a kind of support.

Background technique

Traditional support comprises the base be linked in sequence, column and working head.During use, base is vertical in the horizontal plane, for support post and working head.Column lengthwise extends and has certain length, and its one end and the adjustable connection of base, the other end is fixedly connected with working head.Working head relative level mask has certain altitude for holding articles.Operator can hold column and make column respect thereto move to the position of needs, subsequently, is fixed by column respect thereto, i.e. the height of working head that is connected with column of adjustable, to meet different user demands.

When aforesaid way adjusts the position of working head, need to hold column, the gravity overcoming column and working head mentions column and working head, more difficultly; Importantly, by in column and the relatively-stationary process of base, reach certain precision, must column be held and remain on position a period of times of needs, in actual mechanical process, operator is difficult to keep motionless when gripping column and the working head of constant weight, and therefore, the precision of this adjustment mode is not high.

Summary of the invention

For the deficiencies in the prior art, the object of the present invention is to provide a kind of support that can adjust working head position accurately.

For achieving the above object, the technological scheme that the present invention takes is:

A kind of support, comprise the base be linked in sequence, column and working head, described base is for supporting described support, described working head comprises the working part with absorption surface, described support is provided with the regulating mechanism driving described working part linear motion, described regulating mechanism has input end, the output terminal that the output linearity be connected with described working part moves, be located at the movement conversion mechanism between described input end and output terminal, described movement conversion mechanism drives described output terminal to move under the drive of described input end, and position when making described output terminal stop linear motion and remain on stop motion when described input end stop motion.

Preferably, described input end input rotary motion.

Preferably, the spin axis of described rotary motion is parallel with the direction of linear motion of described output terminal.

Preferably, the spin axis of described rotary motion is vertical with the direction of linear motion of described output terminal.

Preferably, described movement conversion mechanism comprises thread transmission, and described output terminal is the linear movable member of described thread transmission.

Preferably, described movement conversion mechanism also comprises gear drive, and the final-stage gear center of described gear drive is provided with tapped hole, and described output terminal and described tapped hole connect.

Preferably, described final-stage gear is bevel gear.

Preferably, described column lengthwise extends, and described working part is along the bearing of trend linear motion of described column.

Preferably, described regulating mechanism is arranged between described column and base and drives the linear motion in their extension direction of described column.

Preferably, described regulating mechanism and described base and the removable connection of described column.

Preferably, be also provided with locking releasing mechanism between described column and described base, when described locking releasing mechanism is in locking state, the relatively described base of described column is fixed; When described locking releasing mechanism is in releasing state, described column can relatively described base along the bearing of trend linear motion of described column.

Preferably, described column comprises the second sleeve pipe that the first sleeve pipe of being connected with described working part and described base are connected, and described regulating mechanism is arranged between described first sleeve pipe and described second sleeve pipe and drives the linear motion in their extension direction of described first sleeve pipe.

Preferably, be also provided with locking releasing mechanism between described second sleeve pipe and described base, when described locking releasing mechanism is in locking state, the relatively described base of described second sleeve pipe is fixed; When described locking releasing mechanism is in releasing state, described second sleeve pipe can relatively described base at the bearing of trend linear motion of described second sleeve pipe.

Preferably, one in described first sleeve pipe and described second sleeve pipe is provided with stop pin, and another in described first sleeve pipe and described second sleeve pipe is provided with the chute connected with described stop pin.

Preferably, described working head also comprises the pivot part be connected with described column pivotable.

Preferably, described pivot part and described working part slippage connect, and described regulating mechanism is arranged between described pivot part and described working part and drives described working part at arbitrary pivoting angle line linear motion of described pivot part.

Compared with prior art, the invention has the beneficial effects as follows: support of the present invention is provided with the regulating mechanism driving working part linear motion, this regulating mechanism has output terminal that output linearity that input end is connected with working head moves, be located at movement conversion mechanism between described input end and output terminal, position when this movement conversion mechanism drive output under the drive of input end moves and makes when described input end stop motion described output terminal stop linear motion and remain on stop motion.Operator does not need the gravity overcoming column and working head, hold column and keep column motionless, and the input of the control input end only need be absorbed in can guarantee that working head moves predetermined distance within a period of time, and the position adjustment of working head accurately and easily.

Accompanying drawing explanation

Below in conjunction with drawings and embodiments, the invention will be further described.

Fig. 1 is the stereogram of the support of first embodiment of the invention;

Fig. 2 is another stereogram of the support shown in Fig. 1;

Fig. 3 is the partial exploded view of the support shown in Fig. 1;

Fig. 4 is the partial sectional view of the support shown in Fig. 2 along A-A direction;

Fig. 5 is the stereogram of the support of second embodiment of the invention;

Fig. 6 is another stereogram of the support shown in Fig. 5;

Fig. 7 is the partial sectional view of the support shown in Fig. 6 along B-B direction;

Fig. 8 is the stereogram of the support of third embodiment of the invention;

Fig. 9 is the side view of the support shown in Fig. 8;

Figure 10 is the front elevation of the support shown in Fig. 8;

Figure 11 is the partial sectional view of the support shown in Figure 10 along C-C direction;

Figure 12 is the stereogram of the support of fourth embodiment of the invention;

Figure 13 is the partial exploded view of the support shown in Figure 12;

Figure 14 is another stereogram of the support shown in Figure 12.

Wherein,

100 support 153 knob 311 tops

11 supporting leg 154 bolt 32 second plate-like pieces

12 accommodation section 155 screw 320 columns

121 accommodation section opening 20 column 321 first sleeve pipes

13 container 200 support 322 second sleeve pipes

131 opening 21 scale 323 kidney-shaped elongated slots

132 first edge 220 column 324 supporting bases

133 second edge 221 first sleeve pipe 33 briquettings

134 plane 222 second sleeve pipe 34 operation piece

14 adapter 223 supporting base 37 connecting tubes

141 adapter opening 224 kidney-shaped elongated slot 38 nut parts

15 locking releasing mechanism 30 working head 39 locking devices

151 clamp 300 support 40 regulating mechanisms

152 clamping band 31 first plate-like piece 400 supports

41 sleeve 45 screw 64 bevel gears

411 ring part 451 pad 65 first connecting rods

412 seamed edge 50 regulating mechanism 66 second connecting rods

42 sleeve pipe 51 input end 67 position limit pins

420 column 511 hexagonal prism 68 gear-boxes

421 long strip projection 512 cylindrical portion 70 regulating mechanisms

422 circular groove 52 output terminal 71 screw rods

43 bearing 521 first end 711 screw sections

The smooth cylindrical portion of 430 working part 522 second end 712

431 base plate 523 link 713 knobs

4311 projection 524 stop pin 714 fixing pins

4319 straightedge limit 54 operation unit 715 pad and collars

432 tube 541 cutting graftage part 90 pivot parts

433 elongated slot 60 regulating mechanism 91 first dish

434 screw pole 61 bevel gear threaded piece 92 second dish

44 solid latch mechanism 611 conial tooth part 93 clamping blocks

441 ring part 612 columnar part 931 bar shaped protuberances

442 bolt 62 screw rod 94 nut parts

443 nut 622 stop pins

445 pulling piece 63 operation units

Embodiment

Fig. 1 to Fig. 4 shows the support 100 of first embodiment of the invention.

See Fig. 1 and Fig. 2, the support 100 of the present embodiment comprises the base 10, column 20 and the working head 30 that are linked in sequence.

Base 10 is positioned on horizontal plane when support 100 works, for support post 20 and working head 30.Composition graphs 3, the base 10 of the present embodiment comprises the hollow accommodation section 12 that lengthwise extends and 3 supporting legs 11 be evenly arranged on outside accommodation section 12.3 supporting leg 11 pivotables are arranged in 3 containers 13 outside accommodation section 12 (only illustrating 2 in figure), the side that container 13 deviates from working head 30 is provided with the opening 131 that can supply the free pivotable of supporting leg 11, opening 131 has the first edge 132 and the second edge 133, wherein, first edge 132 is edges of the plane 134 parallel with accommodation section 12 bearing of trend, this edge 132 bearing of trend is vertical with accommodation section 12 bearing of trend, and the second edge 133 is parallel with the first edge 132 and relative to working head 30 on the bearing of trend of accommodation section 12.Supporting leg 11 is pivoted to and abuts with plane 134, namely when the first edge 132, supporting leg 11 bearing of trend is parallel with accommodation section 12 bearing of trend, volume shared by support 100 can be reduced, transporting supports 100 easily, when supporting leg 11 is pivoted to and abuts with the second edge 133, support post 20 that can be firm and working head 30.

Column 20 lengthwise extends can move axially along its bearing of trend the position adjusting column 20 respect thereto 10 in accommodation section 12, and then the height in adjustment working head 30 relative level face, to meet different user demands.See Fig. 3, the cross section of the accommodation section 12 of the present embodiment is roughly equilateral triangle, column 20 is hollow circular tube, for making accommodation section 12 and good the coordinating of column 20, be installed with the adapter 14 that external shape is mated with accommodation section 12 internal surface, interior shape mates with column 20 outer surface in accommodation section 12, column 20 can slide in adapter 14.

Relatively fixing both when adjusting to appropriate location for making column 20 respect thereto 10, be provided with between base 10 and column 20 and lock releasing mechanism 15, when locking releasing mechanism 15 is in locking state, column 20 respect thereto 10 is fixed; When locking releasing mechanism 15 is in releasing state, column 20 can move by respect thereto 10.Concrete, the locking releasing mechanism 15 of the present embodiment comprises the clamp 151 abutted with accommodation section 12 outer surface, is socketed in the clamping band 152 of column 20 outer surface, by the latch assembly that clamp 151 and clamping band 152 link together.Concrete, clamping band 152 is the cyclic spring sheet of band opening, the annulus 1521 of clamping band 152 is around on column 20 outer surface, two free ends 1522 and 1523 of clamping band abut with clamp 151 side through adapter opening 141 and accommodation section opening 121 successively, wherein the first free end 1522 is fixedly connected with by screw 155 with clamp 151, second free end 1523 and clamp 151 are connected by a set of bolt 154 of matching and nut (not shown), bolt 154 and the second free end 1523 are connected, nut is embedded in the knob 153 that the side that deviates from clamping band 152 with clamp 151 abuts.So, when being rotated counterclockwise knob 153, the nut in knob 153 is away from the second free end 1523 on bolt 154, and the distance between the second free end 1523 of clamping band 152 and clamp 151 increases, clamping band 152 unclamps column 20, and the position of column 20 respect thereto 10 is adjustable; When turn clockwise knob 153 time, the distance between clamping band 152 second free end 1523 and clamp 151 reduces, and clamping band 152 tightens up and finally makes column 20 relative with accommodation section 12 fixing.The position demonstrating column 20 respect thereto 10 for convenience, column 20 is provided with scale 21.

See Fig. 1 and Fig. 2, working head 30 pivotable is arranged on column 20 one end away from base 10, and locking device 39 is for locking relative for working head 30 column 20 when working head 30 is pivoted to suitable position.The working head 30 of the present embodiment comprises keeping at a certain distance away and arranges the first plate-like piece 31 and the second plate-like piece 32, is fixedly connected with the connecting tube 37 of the first plate-like piece 31 and the second plate-like piece 32.Wherein, the first plate-like piece 31 and alignment relative consistent with the second plate-like piece 32 configuration is arranged, and both can column 20 pivotable relatively.First plate-like piece 31 is concordant with 321 away from the top 311 of base 10 with the second plate-like piece 32, and top 311 and 321 is made up of the material of low coefficient of friction and is had curved profile, top 311 and 321 like this can supporting workpiece and make workpiece be easy on working head 30 top 311 and 321 slide.Therefore, working head 30 can be used for the article of support distances horizontal plane certain altitude, bench saw such as can be coordinated to use, when the workpiece that bench saw cutting is very long, can the working head top of the present embodiment be arranged to concordant with the table top of bench saw, be equivalent to the table top of expansion bench saw to support machining long workpieces reliably.

See Fig. 2, preferably, the side that the second plate-like piece 32 is relative with the first plate-like piece 31 is provided with the adjustable briquetting in position 33, second plate-like piece 32 and the side of the first plate-like piece 31 is provided with the operation piece 34 regulating relative first plate-like piece 31 distance of briquetting 33.When being placed on by workpiece between the first plate-like piece 31 and the second plate-like piece 32, the distance being reduced relative first plate-like piece 31 of briquetting 33 by operation piece 34 can by Workpiece clamping between briquetting 33 and the first plate-like piece 31.It can thus be appreciated that the working head 30 of the present embodiment also can the article of clamp distance horizontal plane certain altitude easily; In addition, because working head 30 is connected with column 20 pivotable, be not limited to by the article that working head 30 clamps the article needing horizontal positioned, greatly widened the application area of support.From foregoing description, working head 30 functionally comprises two-part, and a part is that another part is the pivot part be connected with column 20 pivotable with absorption surface for supporting and the working part of holding workpiece.In the present embodiment, working part and the pivot part of working head 30 are integrally connected, i.e. the first plate-like piece 31 and the second plate-like piece 32 is one-body molded realizes above-mentioned two kinds of functions simultaneously.

For meeting different user demands, usually the height adjusting the position of column 20 respect thereto 10 thus the working part relative level face of adjustment working head 30 is needed, as previously mentioned, the column 20 of the present embodiment support 100 can move axially in the accommodation section 12 of base 10, and locking releasing mechanism 15 is for relatively fixing by both when column 20 respect thereto 10 adjusts to the position of needs.This mode can the height in rapid adjustment working head 30 relative level face time, but in adjustment process, need operator to hold column 20, the gravity overcoming column 20 and working head 30 mentions column 20 and working head 30, more difficultly; And, by locking releasing mechanism 15 by the relatively-stationary process of column 20 and accommodation section 12, reach certain precision, column 20 must be held and remain on position a period of times of needs, in actual mechanical process, operator be difficult to when grip constant weight column 20 and working head 30 keep motionless, therefore, the precision of this adjustment mode is not high.

Composition graphs 1, Fig. 3 and Fig. 4, for adjusting the height of working head 30 accurately, support 100 is provided with the regulating mechanism 40 driving working head 30 linear motion.Concrete, the regulating mechanism 40 of the present embodiment is arranged between column 20 and base 10, make column 20 in its lengthwise bearing of trend linear motion, because working head 30 is arranged on one end of column 20, column 20 is in its lengthwise bearing of trend linear motion, and the corresponding working head 30 that drives is along the lengthwise bearing of trend linear motion of column 20.Working head 30 linear motion, working head 30 is for supporting and the corresponding lengthwise bearing of trend linear motion along column 20 of working part of holding workpiece.

Concrete, regulating mechanism 40 has output terminal that output linearity that input end is connected with working head 30 moves, be located at movement conversion mechanism between described input end and output terminal, position when described movement conversion mechanism drives described output terminal to move and makes when described input end stop motion described output terminal stop linear motion and remain on stop motion under the drive of described input end.Operator does not need the gravity overcoming column and working head, hold column and keep column motionless, and the input of the control input end only need be absorbed in can guarantee that working head moves predetermined distance within a period of time, and the position adjustment of working head accurately and easily.

In the present embodiment, output terminal is connected with column 20, and in the same way, thus the linear Sports band of output terminal moves column linear motion in their extension direction for the direction of linear motion of output terminal and the bearing of trend of column.The movement conversion mechanism of the present embodiment comprises the thread transmission of input rotary motion, output linearity motion, and the spin axis of rotary motion is parallel with the direction of linear motion of linear motion.Concrete, regulating mechanism 40 comprises the sleeve 41 as input end, and as the sleeve pipe 42 of output terminal, sleeve 41 and sleeve pipe 42 screw thread connect, and the movement conversion mechanism namely between sleeve 41 and sleeve pipe 42 is both screw thread couplings.

The regulating mechanism 40 of the present embodiment also comprises the bearing 43 of stop sleeve 41 and sleeve pipe 42, and bearing 43 comprises the triangle bottom plate 431 matched with adapter 14 end face, from the tube 432 that base plate 431 extends along the direction deviating from base 10.Base plate 431 is fixed on adapter 14 by screw 45, and as previously mentioned, adapter 14 is parts of base 10, and base plate 431 is fixed on adapter 14 and is equivalent to be fixed on base 10.For further facilitating the installation of bearing 43, the side that the base plate 431 of bearing 43 deviates from tube 432 is provided with projection 4311, and adapter 14 is provided with the groove with projection 4311 snap-fit engagement.Tube 432 inner hollow is to accommodate column 20, and both Spielpassung move to facilitate column 20.The outer sheathed sleeve pipe 42, two of tube 432 is fixedly connected with to circumference, and concrete, tube 432 outer surface is provided with the elongated slot 433 extended in their extension direction, sleeve pipe 42 internal surface is provided with the long strip projection 421 connected with elongated slot 433.

Sleeve 41 is set in outside sleeve pipe 42, and the main body that sleeve 41 lengthwise extends is convexly equipped with ring part 411 near one end outer circumferential face of adapter 14, and ring part 411 abuts with the base plate 431 of bearing 43.Bearing 43 is fixed on adapter 14 through the screw pole 434 on base plate 431 3 angles and adapter 14 by 3 screws 45 respectively successively, for preventing moving axially in sleeve 41 rotary course, in the present embodiment, sleeve 41 upper annular portion 441 is located in the scope that screw pole 434 that triangle bottom plate 431 3 angles distribute encloses, and the thickness of ring part 441 is a little less than screw pole 434 height, screw 45 is arranged with pad 451, pad 451 covers on screw pole 434 and the projection section of pad 451 in the plane perpendicular to screw 451 axis drops on the annulus 411 of sleeve 41, namely pad 451 part is covered on annulus 411.So, when bearing 43 is fixed on adapter 14 by screw 45, pad 451 limits the axial motion of sleeve 41.The outer surface of sleeve 41 forms the operation unit of input end, and grip in sleeve 41 rotary course for preventing operator and skid, sleeve 41 outer surface is provided with many seamed edges 412.

Regulating mechanism 40 also comprises the solid latch mechanism 44 be arranged between sleeve pipe 42 and column 20, Gu latch mechanism 44 is when the first state, sleeve pipe 42 and column 20 are fixed, Gu latch mechanism 44 is when the second state, column 20 and sleeve pipe 42 can relative movements.Sleeve pipe 42 has the part exceeding tube 432 on column 20 bearing of trend, and this part is made up of elastic material and is had the circular groove 422 to caving in towards its center of circle.Gu latch mechanism 44 comprises clamping can enter the elastic ring clamp clip 441 of the band opening in circular groove 422, the adjustment assembly of adjustment clamp clip 441 liang of free end distances.Concrete, adjustment assembly comprises a set of nut 443 of matching and bolt 442, the pulling piece 445 be connected with bolt 442.Nut 443 is fixedly connected with one of them free end of clamp clip 441, and pulling piece 445 abuts with another free end of clamp clip 441, and bolt 442 two ends are connected with nut 443 and pulling piece 445 respectively.When pulling piece 445 drives bolt 442 to rotate adjustable clamp clip 441 liang of free ends distance thus make clamp clip 441 by relative with column 20 for sleeve pipe 42 fixing or relatively unclamp.Preferably, one end outer circumferential face that the pulling piece 445 of the present embodiment abuts with clamp clip 441 free end is set to camming surface 4451, when rotating pulling piece 445 and making bolt 442 rotate to a certain degree, again around the linear rotation pulling piece 445 perpendicular to bolt 442 axis, make camming surface 4451 compress the free end of clamp clip 441, thus more firmly lock relative with column 20 for sleeve pipe 42.

Bearing 43 is connected with adapter 14 by screw 45 by regulating mechanism 40 1 aspect of the present embodiment, sleeve pipe 42 is conveniently connected with column 20 by solid latch mechanism 44 by another, because the connection of this two place is all the connections that can conveniently remove, therefore, the regulating mechanism 40 of the present embodiment can with base 10 and the removable connection of column 20, thus the regulating mechanism 40 of the present embodiment can be used as the annex of ordinary stent, connect with ordinary stent easily thus accurate adjustment is carried out to the working head height of ordinary stent.

The following describes the operating process of the present embodiment working head 30 Height Adjustment.

Composition graphs 1 and Fig. 3, first, unclamp the knob 153 of locking releasing mechanism 15, column 20 is taken out from accommodation section 12, regulating mechanism 40 is set in outside column 20, by screw 45, the base plate 431 of regulating mechanism 40 is fixed on adapter 14, adjust the approximate location of column 20 respect thereto 10 and keep, locked relative with column 20 for sleeve pipe 42 by the operation of pulling piece 445, subsequently, unclamp column 20, turnbarrel 41, the limited sleeve 41 of axial motion rotates and will the limited sleeve pipe 42 of circumferential movement be driven to move axially, sleeve pipe 42 moves axially and the column 20 locked in contrast can be driven to move axially, column 20 moves axially and the working head 30 be attached thereto can be driven to move axially, thus the height in adjustment working head 30 relative level face, when adjusting to the height of needs, turn clockwise and lock the knob 153 of releasing mechanism 15, firmly column 20 respect thereto 10 can be locked.

When the present embodiment support 100 adjusts working head 30 height, the position of column 20 rapid adjustment column 20 respect thereto 10 can be held, working head 30 is made to move quickly near the height of needs, subsequently, by the height of regulating mechanism 40 accurate adjustment working head, therefore, the support of the present embodiment can adjust the height of working head fast and accurately.

And utilize the regulating mechanism 40 of the present embodiment to adjust in working head high process, operator does not need to hold column 20, more do not need when adjusting to certain altitude, within a period of time, hold column 20 and keep column 20 motionless, only need turnbarrel 41 that sleeve pipe 42 is moved axially, adjustment working head height is laborsaving; And the movement conversion mechanism between sleeve 41 and sleeve pipe 42 is thread transmission, thread transmission has the characteristic of self-locking, namely the screw thread couplings between sleeve 41 and sleeve pipe 42 can make sleeve pipe 42 stop motion when sleeve 41 is stopped operating and remain on the position of stopping, thus column 20 is stopped on required height accurately.Therefore, regulating mechanism 40 is utilized to adjust the height of working head 30 laborsaving and accurate.Interchangeable, the height only arranging regulating mechanism adjustment working head also can.

Fig. 5 to Fig. 7 shows the support 200 of second embodiment of the invention.

Base 10, the working head 30 of the base 10 of the support 200 of the present embodiment, working head 30 and embodiment one support 100 are identical, and this is no longer going to repeat them.

With embodiment one unlike, the column 220 of the present embodiment support 200 comprises first sleeve pipe 221 be connected with working head 30 respectively of coaxial setting and the second sleeve pipe 222 be connected with base 10, first sleeve pipe 221 is identical with the Placement of working head 30 with embodiment one column 20 with the Placement of working head 30, and the mode that the second sleeve pipe 22 and base 10 connect is identical with the mode that base 10 is connected with embodiment one column 20.

First sleeve pipe 221 and the second sleeve pipe 222 are axially oppositely arranged, regulating mechanism 50 is arranged between the first sleeve pipe 221 and the second sleeve pipe 222, drives the linear motion thus adjust the height in working head 30 relative level face in their extension direction of the first sleeve pipe 221 of being connected with working head 30.

Concrete, regulating mechanism 50 comprises the output terminal 52 that the input end 51 of the input rotary motion that screw thread connects and output linearity are done exercises.In the present embodiment, input end 51 form is nut, and output terminal 52 form is screw rod, the screw thread couplings between nut and screw rod and the movement conversion mechanism between input end 51 and output terminal 52.

In the present embodiment, input end 51 comprises the different hexagonal prism of connected shape of cross section 511 and cylindrical portion 512, and the circumscribed circle diameter of hexagonal prism 511 cross section is greater than the diameter of cylindrical portion 512 cross section.

Input end 51 and the second sleeve pipe 222 connect.Concrete, second sleeve pipe 222 is welded with away from one end of base 10 supporting base 223 can accommodating input end 51 cylindrical portion 512, supporting base 223 exceeds the second sleeve pipe 222 on the direction away from base 10, input end 51 cylindrical portion 512 and supporting base 223 Spielpassung, input end 51 can rotate freely in supporting base 223, hexagonal prism 511 cross section of input end 51 is greater than supporting base 223 center hole cross section, and hexagonal prism 511 abuts with supporting base 223 to prevent input end 51 landing thus.

For convenience of operation, outside input end 51, be also arranged with the operation unit 54 be fixedly connected with input end 51 circumference.Preferably, operation unit 54 lengthwise of the present embodiment extends, covered section first sleeve pipe 221, output terminal 52, input end 51, supporting base 223, second sleeve pipe 222 successively.The internal surface cross section of operation unit 54 coated input end 51 hexagonal prism 511 is the regular hexagon with hexagonal prism 511 form fit, thus operation unit 54 and input end 51 circumference are fixed, and both can not relatively rotate.Operation unit 54 other parts internal surface cross section is the circle connected with the first sleeve pipe 221, output terminal 52, supporting base 223, second sleeve pipe 222 outer surface respectively.So, operation unit 54 drives rotation that input end 51 can be driven to rotate by operator thereupon.For preventing moving axially in operation unit 54 rotary course, in the present embodiment, supporting base 223 is provided with circumferential recess, operation unit 54 is provided with the cutting graftage part 541 can inserting above-mentioned circumferential recess, thus, operation unit 54 is axial limitation of movement in rotary course, and input end 51 can be driven reliably to rotate.

Output terminal 52 first end 521 and the first sleeve pipe 221 are fixed and welded together by link 523, thus during input end 51 rotary actuation output terminal 52 translation, output terminal 52 drives relative second sleeve pipe 222 of the first sleeve pipe 221 to move axially.Rotate being transfused in end 51 driving process for preventing output terminal 52, output terminal 52 second end 522 is installed with stop pin 524, second sleeve pipe 222 is provided with the kidney-shaped elongated slot 224 connected with stop pin 524, output terminal 52 is being transfused in end 51 driving process, and stop pin 524 slides and can limit output terminal 52 and rotate in kidney-shaped elongated slot 224.

The following describes the present embodiment support 200 regulating mechanism 50 working principle.

Because operation piece 54 to be fixedly connected with input end 51 circumference and both axial motions are limited, output terminal 52 circumferential movement is limited, in operator's rotary manipulation portion 54 process, input end 51 can be driven to rotate, the axial motion of input end 51 rotary actuation output terminal 52, output terminal 52 axial motion drive second sleeve pipe 222 relative to the first sleeve pipe 221 that output terminal 52 is fixedly connected with moves axially, the height in final adjustment working head 30 relative level face.

In the present embodiment, because the second sleeve pipe 222 is identical with the Placement of base 10 with embodiment one column 20 with the Placement of base 10, therefore, support 300 is in adjustment working head 30 high process, also locking releasing mechanism 15 can first be unclamped, the position of rapid adjustment second sleeve pipe 222 respect thereto 10, subsequently, by locking releasing mechanism 15, second sleeve pipe 222 and base 10 are fixed, again by the height of regulating mechanism 50 accurate adjustment working head, thus reach quick and object that is accurate adjustment working head height.

Fig. 8 to Figure 11 shows the support 300 of third embodiment of the invention.

Base 10, the working head 30 of the base 10 of the support 300 of the present embodiment, working head 30 and embodiment two are identical, the annexation of column 320 and base 10 and working head 30 is also identical with the annexation of base 10 and working head 30 with the column 220 of embodiment two, and this is no longer going to repeat them.The first sleeve pipe 321 coaxially arranged unlike, the present embodiment column 320 with embodiment two and the second sleeve pipe 322 are socketed mutually.

Regulating mechanism 60 is arranged between the first sleeve pipe 321 and the second sleeve pipe 322, drives the first sleeve pipe 321 be connected with working head 30 to move in their extension direction, i.e. the height in adjustable working head 30 relative level face.

Regulating mechanism 60 comprises the bevel gear 64 of input rotary motion, the screw rod 62 of output linearity motion, is located at the bevel gear threaded piece 61 between bevel gear 64 and screw rod 62.Bevel gear threaded piece 61 comprises the conial tooth part 611 connected with bevel gear 64, and the center of conial tooth part 611 is provided with the tapped hole connected with screw rod 62.Bevel gear 64 rotary actuation screw rod 62 linear motion thus, the direction of linear motion of screw rod 62 is vertical with the spin axis of bevel gear 64.Bevel gear threaded piece 61 simultaneously connects transmission with bevel gear 64 and screw rod 62, compact structure and rationally.

The support 300 of the present embodiment also comprises the operation unit 63 be connected with bevel gear 64, and operation unit 63 is connected by connection rod set with bevel gear 64.Connection rod set comprises the first connecting rod 65 through bevel gear 64 center hole and the second connecting rod 66 perpendicular to first connecting rod 65, and operation unit 63 connects with second connecting rod 66 and the bearing of trend of operation unit 63 is parallel with first connecting rod 65,66 vertical with on second connecting rod.Operation unit 63, second connecting rod 66, first connecting rod 65, bevel gear 64, to be fixedly connected sequentially, owing to being provided with connection rod set between operation unit 63 and bevel gear 64, dynamic bevel gear 64 can be with to rotate with very little power rotary operating member 63, bevel gear 64 rotates and bevel gear threaded piece 61 can be driven to rotate.The present embodiment is by rationally arranging the velocity ratio of bevel gear 64 and bevel gear threaded piece 61, and rotating a circle to make operation unit 63, how all be with dynamic bevel gear threaded piece 61 to rotate, thus make screw rod 62 fast moving.In the present embodiment, can bevel gear 64 be regarded as rotary input, also operation unit 63 can be regarded as rotary input, no matter be rotated by operation unit 63 manual drives bevel gear 64, still directly utilizing driven by servomotor bevel gear 64 to rotate all can drive screw 62 linear motion, thus the height of accurate adjustment working head 30.In the present embodiment, the spin axis of rotary input is vertical with the direction of linear motion of input end, thus, during use, operator can drive input end to rotate thus the output linearity motion that output terminal is continued at fixing position continuous print, do not need the rotary input that operator rotates around column or is interrupted in units of half cycle in fixing position, the more friendly and efficient work of user interface.

The present embodiment also can have other to be out of shape, as arranged the suitable gear drive of other velocity ratio with the linear motion of more efficient drive screw 62.

Bevel gear threaded piece 61 is provided with in the second sleeve pipe 322 with Appropriate application space by the present embodiment.Concrete, the supporting base 324 of center drilling is welded with in second sleeve pipe 322, the columnar part 612 that bevel gear threaded piece 61 comprises the conial tooth part 611 that connects with bevel gear 64 and extends away from one end of tooth from conial tooth part 611, columnar part 612 can be inserted in supporting base 324 center hole, the external diameter of columnar part 612 is less than the external diameter of conial tooth part 611, thus columnar part 612 is when inserting supporting base 324, conial tooth part 611 abuts with supporting base 324, can prevent bevel gear threaded piece 61 landing.

For preventing axial float in bevel gear threaded piece 61 rotary course further, the columnar part 612 of bevel gear threaded piece 61 offers the groove that circumference extends, two position limit pins 67 insert in the circumferential recess in columnar part 612 through the second sleeve pipe 322 and supporting base 324 successively, the groove that in position limit pin 67 and columnar part 612, circumference extends is sliding joins, thus, bevel gear threaded piece 61 circumference can automatic rotary then move axially limited.Certainly, for being provided with gear-box 68 outside collecting bevel gear 64 and first connecting rod 65, second sleeve pipe 322, gear-box 68 is made up of two halves shell, and two halves shell is connected by screw.

Screw rod 62 one end is installed with the stop pin 622 of relative screw rod 62 cross setting, the two ends of stop pin 622 are fixedly connected with the first sleeve pipe 321, thus screw rod 62 is fixedly connected with the first sleeve pipe 321, simultaneously, second sleeve pipe 322 is provided with the kidney-shaped elongated slot 323 connected with stop pin 622, the bearing of trend of kidney-shaped elongated slot 323 is identical with the bearing of trend of the second sleeve pipe 322, and stop pin 622 slides in kidney-shaped elongated slot 323, can limit screw rod 62 circumference and rotate.

Below, illustrate that the support 300 of the present embodiment utilizes regulating mechanism 60 to adjust the process of working head height.

Operator's hand-held operation portion 63 is rotary manipulation portion 63 also, operation unit 63 is rotated through connecting rod 66, 65 band dynamic bevel gears 64 rotate, bevel gear 64 rotates and namely drives bevel gear threaded piece 61 to rotate, because bevel gear threaded piece 61 moves axially limited, bevel gear threaded piece 61 rotates to drive and is arranged in its center hole and moves with the screw rod 62 that bevel gear threaded piece 61 center hole screw thread connects, and screw rod 62 circumferential movement is limited, can only move axially, screw rod 62 moves axially and namely drives the first sleeve pipe 321 be fixedly connected with it in its bearing of trend linear motion, thus adjust the height in the working head 30 relative level face be connected with the first sleeve pipe 321.

Identical with embodiment two, the present embodiment can adjust the height of working head by means of only regulating mechanism; Also the fast accurate adjustment allocating conjunction regulating mechanism by locking releasing mechanism 15 makes working head 30 reach the position of needs fast and accurately, needs first the second sleeve pipe of column and base to be fixed by locking releasing mechanism 15 before accurate after fast tune.

Figure 12 to Figure 14 shows the support 400 of fourth embodiment of the invention.

See Figure 12 and 13, the base 10 of the base 10 of the present embodiment support 400, column 420 and both annexations and embodiment one support 100, column 20 and both annexations are identical.Unlike, the working head of previous embodiment itself is directly connected with column pivotable, and namely the working part of working head and pivot part are integrally connected.In the present embodiment, working head comprises the pivot part 90 and working part 430 that slippage connects, and pivot part 90 is connected with column 420 pivotable, and both Placements are identical with the Placement of column 20 with embodiment one working head 30; Working part 430 and absorption surface are used for supporting and holding workpiece.

Concrete, first plate-like piece 431 of working part 430 and the second plate-like piece 432 connect with the first dish 91 of pivot part 90 and the second dish 92 slippage respectively, both docked mode is identical, below for the annexation of the first plate-like piece 431 and the first dish 91.First plate-like piece 431 has outstanding straightedge limit 4319, the bearing of trend on straightedge limit 4319 and the lengthwise bearing of trend of working part 430, first dish 91 keeps at a certain distance away and is installed with two identical clamping blocks 93, two clamping blocks 93 are respectively equipped with sliding bar shaped protuberance 931, the two bar shaped protuberance 931 of joining with the straightedge limit 4319 of the first plate-like piece 431 is concordant to be extended on same is linear.Bar shaped protuberance 931 and straightedge limit 4319 be sliding joins and can guarantee that working part 430 is moved driving lower linear.

In the present embodiment, the regulating mechanism 70 of working part 430 linear motion is driven to be arranged between working part 430 and pivot part 90, to make working part 430 at arbitrary pivoting angle line linear motion of pivot part 90.

Regulating mechanism 70 comprises the nut part 94 be arranged between the first dish 91 of pivot part 90 and the second dish 92, connects and the screw rod 71 be fixedly connected with working part 430 with nut part 94 screw thread.The screw rod 71 of the present embodiment comprises the screw section 711 connected with nut part 94 and the smooth cylindrical portion 712 be connected with working part 430, and the external diameter of smooth cylindrical portion 712 is less than the external diameter of screw section 711.For convenience of operation, smooth cylindrical portion 712 is installed with knob 713 away from one end of screw section 711.Working part 430 is same with the part that screw rod 71 connects is provided with nut part 38, and nut part 38 is axially aligned with the nut part 94 on pivot part 90.

During installation, operator rotates knob 713, the screw section 711 of screw rod 71 is screwed in the nut part 38 in working part 430 and the nut part 94 on pivot part 90 successively, until the smooth cylindrical portion 712 of screw rod 71 stretches in the nut part 38 of working part 430, subsequently, fixing pin 714 passes smooth cylindrical portion 712 and abuts with the side of nut part 38 away from knob 713, thus by relative with working part 430 for screw rod 71 fixing.The screw section 711 of screw rod 71 is through after the nut part 94 on pivot part 90, and the end that a set of pad and collar 715 are connected to screw section 711 prevents screw section 711 and nut part 94 from departing from.

The following describes the operating process of the support 400 of the present embodiment.

Pivot part 90 pivotable can drive working part 430 column 420 pivotable relatively, after being pivoted to preposition, and the position in portion 90 that fixing for relative for pivot part 90 column 420 i.e. adjustable working part 430 is pivoted relative to each other.Concrete, rotating knob 713 drives screw rod 71 to rotate, screw rod 71 and nut part 94 screw thread connect, nut part 94 maintains static simultaneously, thus, linear motion while screw rod 71 rotates, screw rod 71 linear motion can drive working part 430 linear motion fixing in contrast, the position in portion 90 thus adjustment working part 430 is pivoted relative to each other.It can thus be appreciated that, screw rod 71 linear motion while rotation, can one end that screw rod 71 is connected with knob 713 be regarded as rotary input, the screw section 711 of screw rod 71 the other end is seen and moves linearly output terminal, the screw thread couplings of screw rod 71 and nut part 94 i.e. movement conversion mechanism between the two.

The working part 430 of the present embodiment is pivoted relative to each other portion 90 linear motion, pivot part 90 column 420 pivotable within the scope of 0 to 90 degree relatively simultaneously, thus, as shown in figure 12, when pivot part 90 pivotable makes lengthwise bearing of trend and the horizontal plane of working part 430, working head can vertically movement; As shown in figure 14, when pivot part 90 pivotable makes lengthwise bearing of trend and the plane-parallel of working part 430, working part 430 can horizontal linear displacement; When pivot part 90 pivotable makes the lengthwise bearing of trend of working part 430 horizontal by a certain angle, working part 430 is at this angle line linear motion, it can thus be appreciated that, working part 430 at arbitrary pivoting angle line linear motion of pivot part 90, can widen the application area of the present embodiment support greatly.

The present invention also can have other to be out of shape, the tilting bar comprising vertical bar as being arranged to by column and arrange at an angle with vertical bar, can be arranged on regulating mechanism between vertical bar and tilting bar thus to make the working head be connected with tilting bar at the linear linear motion horizontal by several angle.Or, further tilting bar comprises the first sleeve pipe and second sleeve pipe of coaxial setting, regulating mechanism is arranged between the first sleeve pipe and the second sleeve pipe, drive the first sleeve pipe be connected with working head to move in their extension direction, working head can be made at the linear linear motion horizontal by several angle.

Above-mentioned regulating mechanism includes thread transmission, and thread transmission can realize the feature with self-locking, step-less adjustment, and adjustment accurately.Those skilled in the art can reasonably predict, and except input rotary motion thread transmission, input end inputs the motion of other form, and the regulating mechanism being converted to the linear motion of output terminal by the rational movement conversion mechanism matched with it also can.Therefore, the function of all realizations and the same or analogous technological scheme of the present invention, all should be covered by scope.

Claims (16)

1. a support, comprise the base be linked in sequence, column and working head, described base is for supporting described support, described working head comprises the working part with absorption surface, it is characterized in that: described support is provided with the regulating mechanism driving described working part linear motion, described regulating mechanism has input end, the output terminal that the output linearity be connected with described working part moves, be located at the movement conversion mechanism between described input end and output terminal, described movement conversion mechanism drives described output terminal to move under the drive of described input end, and position when making described output terminal stop linear motion and remain on stop motion when described input end stop motion.

2. support as claimed in claim 1, is characterized in that: described input end input rotary motion.

3. support as claimed in claim 2, is characterized in that: the spin axis of described rotary motion is parallel with the direction of linear motion of described output terminal.

4. support as claimed in claim 2, is characterized in that: the spin axis of described rotary motion is vertical with the direction of linear motion of described output terminal.

5. support as claimed in claim 2, it is characterized in that: described movement conversion mechanism comprises thread transmission, described output terminal is the linear movable member of described thread transmission.

6. support as claimed in claim 5, it is characterized in that: described movement conversion mechanism also comprises gear drive, the final-stage gear center of described gear drive is provided with tapped hole, and described output terminal and described tapped hole connect.

7. support as claimed in claim 6, is characterized in that: described final-stage gear is bevel gear.

8. support as claimed in claim 1, is characterized in that: described column lengthwise extends, and described working part is along the bearing of trend linear motion of described column.

9. support as claimed in claim 8, is characterized in that: described regulating mechanism is arranged between described column and base and drives the linear motion in their extension direction of described column.

10. support as claimed in claim 9, is characterized in that: described regulating mechanism and described base and the removable connection of described column.

11. supports as claimed in claim 9, is characterized in that: be also provided with locking releasing mechanism between described column and described base, and when described locking releasing mechanism is in locking state, the relatively described base of described column is fixed; When described locking releasing mechanism is in releasing state, described column can relatively described base along the bearing of trend linear motion of described column.

12. supports as claimed in claim 8, it is characterized in that: described column comprises the second sleeve pipe that the first sleeve pipe of being connected with described working part and described base are connected, and described regulating mechanism is arranged between described first sleeve pipe and described second sleeve pipe and drives the linear motion in their extension direction of described first sleeve pipe.

13. supports as claimed in claim 12, is characterized in that: be also provided with locking releasing mechanism between described second sleeve pipe and described base, and when described locking releasing mechanism is in locking state, the relatively described base of described second sleeve pipe is fixed; When described locking releasing mechanism is in releasing state, described second sleeve pipe can relatively described base at the bearing of trend linear motion of described second sleeve pipe.

14. supports as claimed in claim 12, is characterized in that: one in described first sleeve pipe and described second sleeve pipe is provided with stop pin, and another in described first sleeve pipe and described second sleeve pipe is provided with the chute connected with described stop pin.

15. supports as claimed in claim 1, is characterized in that: described working head also comprises the pivot part be connected with described column pivotable.

16. supports as claimed in claim 15, it is characterized in that: described pivot part and described working part slippage connect, described regulating mechanism is arranged between described pivot part and described working part and drives described working part at arbitrary pivoting angle line linear motion of described pivot part.