CN108835891A

CN108835891A - A kind of drawing auxiliary device

Info

Publication number: CN108835891A
Application number: CN201810587863.1A
Authority: CN
Inventors: 季嘉豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-08
Filing date: 2018-06-08
Publication date: 2018-11-20

Abstract

The present invention relates to the technical fields of drawing auxiliary equipment can carry out the adjusting in angle more particularly to a kind of drawing auxiliary device, reduce degree of bending over, and alleviate person fatigue, reduce and use limitation；And stability of the drawing on drawing board can be improved, anti-sliding stop influences to draw, and improves use reliability；Including clamping screw, two groups of front pressuring plates and two groups of rear fenders after clamping screw before drawing board, two groups of left strand rings, upper strand ring, lower strand ring, placement plate, upper screwed pipe, upper threaded rod, adjustable plate, locking nut, front apron, rear baffle, upper limit bar, lower limit bar, front slide, tail skid, two groups, two groups, front apron and rear baffle are arranged in parallel with the left end of drawing board, and the right end of front apron and rear baffle is connect with the front side of drawing board left end and rear side respectively, and the rear end of upper limit bar and lower limit bar is connect with front end the upper side and lower side of rear baffle respectively.

Description

A kind of drawing auxiliary device

Technical field

The present invention relates to the technical fields of drawing auxiliary equipment, more particularly to a kind of drawing auxiliary device.

Background technique

It is well known that drawing auxiliary device is a kind of for being supported to drawing, in order to better in drawing course The auxiliary device drawn is widely used in a variety of applications in the field that drawing is drawn；Existing drawing auxiliary device packet Drawing board and four groups of supporting legs are included, the top of four groups of supporting legs is respectively and behind the front left side of drawing board bottom end, left rear side, forward right side and the right side Side connection；In use, drawing is placed on drawing board first, then carry out drawing drafting is existing drawing auxiliary device It can；It is found in existing drawing auxiliary device use, the position of drawing board is fixed, and not can be carried out the adjusting in angle, people are only Can bend over to carry out drawing drafting, bending over to draw drawing for a long time can make people's body cause to damage, cause its using limitation compared with It is high；And stability of the drawing on drawing board is poor, often slides, influences to draw, cause its use reliability lower.

Summary of the invention

In order to solve the above technical problems, the present invention provides a kind of adjusting that can be carried out in angle, degree of bending over is reduced, is delayed Solution person fatigue, reduces and uses limitation；And stability of the drawing on drawing board can be improved, anti-sliding stop influence is drawn Figure, improves the drawing auxiliary device of use reliability.

A kind of drawing auxiliary device of the invention, including drawing board；Including two groups of left strand rings, upper strand ring, lower strand ring, place Plate, upper screwed pipe, upper threaded rod, adjustable plate and locking nut, the described two groups left bottom ends for twisting ring and the placement plate top Front left side is connected with left rear side, and is respectively arranged with two groups of left fixed rings with rear side on front side of the bottom end of the drawing board, described Two groups of left fixed rings pass through two groups of left-handed axis respectively and are rotatably connected with described two groups left strand rings, the right end of drawing board updip to the left Tiltedly, and in the middle part of the upper top for twisting ring and the right end of the drawing board it connect, the top of the upper threaded rod is equipped with upper solid Determine ring, and upper fixed ring is rotatably connected with upper strand ring by upper spin axis, the lower bottom end for twisting ring and the placement plate Top middle portion connection, and the bottom end of the adjustable plate is provided with lower fixed ring, and the lower fixed ring passes through with the lower strand ring Lower spin axis is rotatably connected, and the top of the adjustable plate is provided with regulating tank, and regulating tank is internally provided with and adjusts ball axis It holds, the bottom end of the upper screwed pipe is inserted and fixed installation to adjusting inside ball bearing, and the bottom end of the upper threaded rod is inserted into And spiral shell is filled to inside the top of screwed pipe, the locking nut spiral shell encapsulation is located at the outside of the upper threaded rod, and described The bottom end of locking nut is contacted with the locking of the top of the upper screwed pipe；It further include front apron, rear baffle, upper limit bar, lower limit Position bar, front slide, tail skid, clamping screw before two groups, clamping screw, two groups of front pressuring plates and two groups of rear fenders after two groups, it is described The left end of front apron and rear baffle with the drawing board is arranged in parallel, and the right end of the front apron and rear baffle respectively with The front side of the drawing board left end is connected with rear side, the rear end of the upper limit bar and lower limit bar respectively with the rear baffle The connection of front end the upper side and lower side, and after being respectively arranged with inside the upper side and lower side of the tail skid upper sliding through hole and it is rear under Upper sliding through hole and front lower sliding through hole before sliding through hole, the upper inside of the front slide and downside are respectively arranged with, it is described It is gone up after can be slid through respectively inside sliding through hole and preceding upper sliding through hole and before extending out to front slide the front end of upper limit bar The end external world is connect with the rear upper side of the front apron, and the front end of the lower limit bar can be slid through rear lower slider respectively Inside through-hole and front lower sliding through hole and it extend out to the front end external world of front slide and is connect with the rear end of front apron downside, it is described The sliding opposite with the upper limit bar and lower limit bar of front slide and tail skid, the upper side and lower side point inside the front slide Upper tapped through hole and front lower tapped through hole before not being provided with, and the right end of clamping screw is inserted into preceding upper spiral shell respectively before described two groups Inside line through-hole and front lower tapped through hole and equal spiral shell fills the right end external world being pierced by front slide, the right end point of clamping screw before two groups It is not connect with the left end of two groups of front pressuring plates, the upper side and lower side inside the tail skid is respectively arranged with rear upper tapped through hole With rear lower tapped through hole, and upper tapped through hole and lower tapped through hole afterwards after the right end of clamping screw is inserted into respectively after described two groups It is internal and to be pierced by the right end to tail skid extraneous for spiral shell dress, after two groups the right end of clamping screw respectively with two groups of rear fenders Left end connection.

A kind of drawing auxiliary device of the invention, further includes shaft, adjustment axis and fixed plate, the top of the shaft and institute The bottom end connection of placement plate is stated, and the top of the fixed plate is provided with fixing groove, fixing groove is internally provided with fixed ball Bearing, the bottom end of the shaft are inserted and fixed inside installation to fixed ball bearing, and the top left hand of the fixed plate is arranged There is placing groove, and placing groove is located at the left side of the fixing groove, placing groove is internally provided with placement ball bearing, the adjusting The bottom end of axis is inserted and fixed inside installation to placement ball bearing, and the external fixing sleeve of the adjustment axis is equipped with driving tooth Circle, the external fixing sleeve of the shaft are equipped with driven gear ring, the active gear ring and the engagement of driven gear ring, and the adjustment axis Top be provided with adjusting knob.

A kind of drawing auxiliary device of the invention, further includes four groups of inserting columns, four groups of intubations, four groups of clamping screws and bottom plate, The top of four groups of inserting columns is connect with front left side, left rear side, forward right side and the right lateral side of the fixed plate bottom end respectively, and The bottom end of four groups of intubations is connect with front left side, left rear side, forward right side and the right lateral side on the bottom plate top, and described four groups are inserted The bottom end of column is can be slidably inserted into respectively inside the top to four groups of intubations, and the right end of four groups of intubations is respectively arranged with four Group locking screw through-hole, four groups of locking screw through-holes are communicated with four groups of cannula interiors respectively, four groups of locking screws The left end of bolt be inserted into respectively and spiral shell be filled to inside four groups of locking screw through-holes, and the left end of four groups of clamping screws respectively with it is described The right end of four groups of intubations locks contact.

A kind of drawing auxiliary device of the invention further includes lower threaded rod and lower screwed pipe, the top middle portion of the bottom plate It is provided with swivelling chute and swivelling chute is internally provided with swing roller bearing, the bottom end of the lower screwed pipe is inserted and fixed peace It is filled to swing roller Bearing inner, simultaneously spiral shell is filled to inside the top of lower screwed pipe for the bottom end insertion of the lower threaded rod, under described The top of threaded rod is connect with the bottom end of the fixed plate.

A kind of drawing auxiliary device of the invention further includes four groups of non-skid feet plates, four groups of bottoms non-skid feet plate Top is connect with front left side, left rear side, forward right side and the right lateral side of the bottom plate bottom end respectively.

A kind of drawing auxiliary device of the invention, further includes multiple groups tread plate, and the multiple groups tread plate is evenly distributed with circumference respectively It is arranged on the outer wall of the lower screwed pipe.

A kind of drawing auxiliary device of the invention, further includes non-skid rubber ring, the non-skid rubber ring is fixedly set on described The anti-skidding ripple of multiple groups is provided on the outer wall of screwed pipe, and on the outer wall of the non-skid rubber ring.

Beneficial effects of the present invention are compared with prior art：The left rotatable company for twisting ring of drawing board and two groups can be passed through Effect is connect, by rotating upper screwed pipe, makes spinning in and out of the threaded rod inside upper screwed pipe, and twist ring under with closing The rotatable effect of ring respectively is twisted, drawing board is allow to carry out the adjusting in angle, reduces degree of bending over, alleviates person fatigue, It reduces and uses limitation；And left skateboard and right slide plate being slidably matched on upper limit bar and right limit bar respectively can be passed through Effect, makes to be clamped between front slide and drawing board on front side of different size drawing, while making sliding after being clamped on rear side of drawing Between plate and drawing board, and two groups of front pressuring plates can be made pressure on front side of the left end of drawing by clamping screw before tightening two groups Tightly, while it can make two groups of rear fenders that will compress on rear side of the left end of drawing by clamping screw after tightening two groups, improve figure Stability of the paper on drawing board, anti-sliding stop influence to draw, and improve use reliability.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is the left view solid structure schematic diagram of the connections such as drawing board, front apron and upper limit bar of the present invention；

Fig. 3 is the partial enlargement structural representation at A of the present invention；

It is marked in attached drawing：1, drawing board；2, left strand ring；3, upper strand ring；4, placement plate；5, upper screwed pipe；6, upper threaded rod；7, it adjusts Save plate；8, locking nut；9, front apron；10, upper limit bar；11, tail skid；12, rear clamping screw；13, rear fender；14, turn Axis；15, adjustment axis；16, fixed plate；17, inserting column；18, it is intubated；19, clamping screw；20, bottom plate；21, lower threaded rod；22, under Screwed pipe；23, non-skid feet plate；24, tread plate；25, non-skid rubber ring.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.

As shown in Fig. 1 to Fig. 3, a kind of drawing auxiliary device of the invention, including drawing board 1；Including two groups of left strand rings 2, Upper strand ring 3, lower strand ring, placement plate 4, upper screwed pipe 5, upper threaded rod 6, adjustable plate 7 and locking nut 8, two groups of left bottoms for twisting ring End is connect with the front left side on placement plate top and left rear side, and is respectively arranged with two groups of left sides on front side of the bottom end of drawing board with rear side Fixed ring, two groups of left fixed rings pass through two groups of left-handed axis respectively and are rotatably connected with two groups of left strand rings, and the right end of drawing board is to the left Upper inclination, and connected in the middle part of the right end of the upper top for twisting ring and drawing board, the top of upper threaded rod is equipped with upper fixed ring, and Upper fixed ring is rotatably connected with upper strand ring by upper spin axis, and the top middle portion of the lower bottom end for twisting ring and placement plate connects, and The bottom end of adjustable plate is provided with lower fixed ring, and lower fixed ring is rotatably connected with lower strand ring by lower spin axis, the top of adjustable plate It is provided with regulating tank, and regulating tank is internally provided with adjusting ball bearing, the bottom end of upper screwed pipe is inserted and fixed installation extremely It adjusts inside ball bearing, simultaneously spiral shell is filled to inside the top of screwed pipe for the bottom end insertion of upper threaded rod, locking nut spiral shell encapsulation It is located at the outside of threaded rod, and the bottom end of locking nut is contacted with the locking of the top of upper screwed pipe；Further include front apron 9, Rear baffle, upper limit bar 10, lower limit bar, front slide, clamping screw before 11, two groups of tail skid, clamping screw 12, two after two groups Group front pressuring plate and two groups of rear fenders 13, front apron and rear baffle are arranged in parallel with the left end of drawing board, and front apron is with after The right end of baffle is connect with the front side of drawing board left end and rear side respectively, the rear end of upper limit bar and lower limit bar respectively with rear gear Front end the upper side and lower side of plate connects, and after being respectively arranged with inside the upper side and lower side of tail skid upper sliding through hole and it is rear under Upper sliding through hole and front lower sliding through hole before sliding through hole, the upper inside of front slide and downside are respectively arranged with, upper limit bar Front end can be slid through respectively after inside upper sliding through hole and preceding upper sliding through hole and extend out to the front end external world of front slide with The rear upper side of front apron connects, and the front end of lower limit bar can be slid through rear lower slider through-hole respectively and preceding lower slider is logical It simultaneously extend out on the downside of the front end external world of front slide and the rear end of front apron inside hole and connects, front slide and tail skid are and upper limit Bar and lower limit bar slide relatively, and upper tapped through hole and front lower screw thread are logical before the upper side and lower side inside front slide is respectively arranged with Hole, and the right end of clamping screw is inserted into respectively inside preceding upper tapped through hole and front lower tapped through hole before two groups and spiral shell dress is pierced by Right end to front slide is extraneous, and the right end of clamping screw is connect with the left end of two groups of front pressuring plates respectively before two groups, inside tail skid The upper side and lower side be respectively arranged with rear upper tapped through hole and afterwards lower tapped through hole, and after two groups clamping screw right end difference Inside upper tapped through hole and rear lower tapped through hole and to be pierced by the right end to tail skid extraneous for spiral shell dress after insertion, compresses spiral shell after two groups The right end of bar is connect with the left end of two groups of rear fenders respectively；Work can be rotatably connected by the left strand ring of drawing board and two groups With making spinning in and out of the threaded rod inside upper screwed pipe, and twist ring and lower strand ring with closing by rotating upper screwed pipe Rotatable effect respectively allows drawing board to carry out the adjusting in angle, reduces degree of bending over, and alleviates person fatigue, reduces Use limitation；And left skateboard and right the slide plate work that is slidably matched on upper limit bar and right limit bar respectively can be passed through With making to be clamped between front slide and drawing board on front side of different size drawing, while making to be clamped in tail skid on rear side of drawing Between drawing board, and it can make two groups of front pressuring plates that will compress on front side of the left end of drawing by clamping screw before tightening two groups, It can make two groups of rear fenders that will compress on rear side of the left end of drawing by clamping screw after tightening two groups simultaneously, improve drawing Stability on drawing board, anti-sliding stop influence to draw, and improve use reliability.

A kind of drawing auxiliary device of the invention, further includes shaft 14, adjustment axis 15 and fixed plate 16, the top of shaft with The bottom end of placement plate connects, and the top of fixed plate is provided with fixing groove, and fixing groove is internally provided with fixed ball bearing, turns The bottom end of axis is inserted and fixed inside installation to fixed ball bearing, and the top left hand of fixed plate is provided with placing groove, and puts Slot position is set in the left side of fixing groove, placing groove is internally provided with placement ball bearing, and the bottom end of adjustment axis is inserted and fixed installation To placing inside ball bearing, and the external fixing sleeve of adjustment axis is equipped with active gear ring, the external fixing sleeve of shaft equipped with from Movable tooth circle, active gear ring and the engagement of driven gear ring, and the top of adjustment axis is provided with adjusting knob；It can be adjusted by rotation Knob drives adjustment axis to be rotated, so that active gear ring be made to be rotated, under the engagement of active gear ring and driven gear ring, makes Shaft can rotate, so that drawing board be allow to carry out rotation adjusting according to actual environment and drawing position, improve adaptability, It reduces and uses limitation.

A kind of drawing auxiliary device of the invention further includes 17, four groups of four groups of inserting columns, 18, four groups of intubation, 19 and of clamping screw Bottom plate 20, the top of four groups of inserting columns are connect with the front left side of fixed plate bottom end, left rear side, forward right side and right lateral side respectively, and The bottom end of four groups of intubations is connect with the front left side on bottom plate top, left rear side, forward right side and right lateral side, the bottom end difference of four groups of inserting columns It can be slidably inserted into inside the top to four groups of intubations, and the right end of four groups of intubations is respectively arranged with four groups of locking screw through-holes, Four groups of locking screw through-holes are communicated with four groups of cannula interiors respectively, and the left end of four groups of clamping screws is inserted into respectively and spiral shell is filled to four groups Inside locking screw through-hole, and the left end of four groups of clamping screws is contacted with the locking of the right end of four groups of intubations respectively；It can pass through Four groups of inserting columns telescopic action between four groups of intubations respectively makes drawing board integrally and can carry out the adjusting in height, adapts to not Personnel with height use, and improve adaptability, and can be by tightening four groups of clamping screws respectively for four groups after adjusting The height of inserting column is fixed, and improves stability.

A kind of drawing auxiliary device of the invention further includes lower threaded rod 21 and lower screwed pipe 22, the top middle portion of bottom plate It is provided with swivelling chute and swivelling chute is internally provided with swing roller bearing, the bottom end of lower screwed pipe is inserted and fixed installation extremely Swing roller Bearing inner, simultaneously spiral shell is filled to inside the top of lower screwed pipe for the bottom end insertion of lower threaded rod, the top of lower threaded rod It is connect with the bottom end of fixed plate；It can make the spinning in and out inside lower screwed pipe of lower threaded rod by screwed pipe under rotating, thus Height between adjustment fixing plate and bottom plate facilitates four groups of inserting columns of synchronous stretching or insertion, easy to operate, improves practicability.

A kind of drawing auxiliary device of the invention further includes four groups of non-skid feet plates 23, the top of four groups of bottom non-skid feet plates End is connect with the front left side of bottom plate bottom end, left rear side, forward right side and right lateral side respectively；Whole skid resistance can be improved, mention High stability.

A kind of drawing auxiliary device of the invention, further includes multiple groups tread plate 24, and multiple groups tread plate is evenly distributed with circumference respectively and sets It sets on the outer wall of lower screwed pipe；Increase friction, rotation is facilitated to adjust lower screwed pipe.

A kind of drawing auxiliary device of the invention, further includes non-skid rubber ring 25, non-skid rubber ring is fixedly set in screwed pipe Outer wall on, and the anti-skidding ripple of multiple groups is provided on the outer wall of non-skid rubber ring；Increase friction, facilitates the upper screwed pipe of rotation.

A kind of drawing auxiliary device of the invention at work first will will be whole entirely through four groups of anti-skid rubber plates It is stably placed at required position, then uses multiple groups tread plate, rotates lower screwed pipe, by integrally-regulated to suitable height, so It tightens four groups of clamping screws respectively afterwards, the position of four groups of inserting columns is locked, then drawing is placed on drawing board, according to The size of drawing, the position of slidable adjustment front slide and tail skid make to be clamped between front slide and drawing board on front side of drawing, Make to be clamped between tail skid and drawing board on rear side of drawing simultaneously, and clamping screw before tightening two groups, makes two groups of front pressuring plates It will be compressed on front side of the left end of drawing, while clamping screw after tightening two groups, and carry out two groups of rear fenders will on rear side of the left end of drawing It compresses, after drawing is stablized, effect is rotatably connected by the left strand ring of drawing board and two groups, non-skid rubber ring is used to rotate upper spiral shell Line pipe makes spinning in and out of the threaded rod inside upper screwed pipe, and twists ring and the lower rotatable work for twisting ring difference with closing With drawing board being adjusted to the angle properly drawn, and tighten locking nut, in drawing course, rotated according to actual needs Adjusting knob adjusts whole angle.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made Also it should be regarded as protection scope of the present invention.

Claims

1. a kind of drawing auxiliary device, including drawing board（1）；It is characterised in that it includes two groups of left strand rings（2）, upper strand ring（3）, Lower strand ring, placement plate（4）, upper screwed pipe（5）, upper threaded rod（6）, adjustable plate（7）And locking nut（8）, two groups of left strands Ring（2）Bottom end and the placement plate（4）The front left side on top is connected with left rear side, and the drawing board（1）Bottom end before Side and rear side are respectively arranged with two groups of left fixed rings, and two groups of left fixed rings pass through two groups of left-handed axis and two groups of left sides respectively Twist ring（2）It is rotatably connected, drawing board（1）Right end upper inclination, and the upper strand ring to the left（3）Top and the drawing Plate（1）Right end in the middle part of connection, the upper threaded rod（6）Top be equipped with upper fixed ring, and upper fixed ring and upper strand ring（3） It is rotatably connected by upper spin axis, the lower bottom end for twisting ring and the placement plate（4）Top middle portion connection, and the tune Save plate（7）Bottom end be provided with lower fixed ring, the lower fixed ring is rotatably connected with the lower strand ring by lower spin axis, described Adjustable plate（7）Top be provided with regulating tank, and regulating tank is internally provided with adjusting ball bearing, the upper screwed pipe（5） Bottom end be inserted and fixed installation to adjust ball bearing inside, the upper threaded rod（6）Bottom end insertion and spiral shell be filled to spiral shell Line pipe（5）Top inside, the locking nut（8）Spiral shell encapsulation is located at the upper threaded rod（6）Outside, and the locking Nut（8）Bottom end and the upper screwed pipe（5）Top lock contact；It further include front apron（9）, rear baffle, upper limit bar （10）, lower limit bar, front slide, tail skid（11）, clamping screw before two groups, clamping screw after two groups（12）, two groups of front pressuring plates With two groups of rear fenders（13）, the front apron（9）With rear baffle with the drawing board（1）Left end be arranged in parallel, and institute State front apron（9）With the right end of rear baffle respectively with the drawing board（1）The front side of left end is connected with rear side, the upper limit bar （10）It is connect respectively with front end the upper side and lower side of the rear baffle with the rear end of lower limit bar, and the tail skid（11）'s Upper sliding through hole and rear lower slider through-hole, the upper inside of the front slide and downside after being respectively arranged with inside the upper side and lower side Upper sliding through hole and front lower sliding through hole, the upper limit bar before being respectively arranged with（10）Front end can be slid through respectively after on Inside sliding through hole and preceding upper sliding through hole and extend out to front slide the front end external world and the front apron（9）Rear upper side connect It connects, and the front end of the lower limit bar can be slid through inside rear lower slider through-hole and front lower sliding through hole respectively and extend out to The front end external world of front slide and the front apron（9）Rear end on the downside of connection, the front slide and tail skid（11）With it is described Upper limit bar（10）Opposite with lower limit bar to slide, it is logical that the upper side and lower side inside the front slide is respectively arranged with preceding upper screw thread Hole and front lower tapped through hole, and the right end of clamping screw is inserted into preceding upper tapped through hole respectively before described two groups and front lower screw thread is logical Inside hole and it is extraneous to be pierced by the right end to front slide for spiral shell dress, before two groups the right end of clamping screw respectively with two groups of front pressuring plates Left end connection, the tail skid（11）Internal the upper side and lower side is respectively arranged with rear upper tapped through hole and lower screw thread is logical afterwards Hole, and clamping screw after described two groups（12）Right end be inserted into respectively after upper tapped through hole and afterwards inside lower tapped through hole and equal Spiral shell dress is pierced by tail skid（11）Right end it is extraneous, clamping screw after two groups（12）Right end respectively with two groups of rear fenders （13）Left end connection.

2. a kind of drawing auxiliary device as described in claim 1, which is characterized in that further include shaft（14）, adjustment axis（15） And fixed plate（16）, the shaft（14）Top and the placement plate（4）Bottom end connection, and the fixed plate（16）'s Top is provided with fixing groove, and fixing groove is internally provided with fixed ball bearing, the shaft（14）Bottom end be inserted and fixed peace It is filled to inside fixed ball bearing, the fixed plate（16）Top left hand be provided with placing groove, and placing groove be located at it is described The left side of fixing groove, placing groove are internally provided with placement ball bearing, the adjustment axis（15）Bottom end be inserted and fixed installation To placement ball bearing, and the adjustment axis（15）External fixing sleeve be equipped with active gear ring, the shaft（14）'s External fixing sleeve is equipped with driven gear ring, the active gear ring and the engagement of driven gear ring, and the adjustment axis（15）Top set It is equipped with adjusting knob.

3. a kind of drawing auxiliary device as claimed in claim 2, which is characterized in that further include four groups of inserting columns（17）, four groups insert Pipe（18）, four groups of clamping screws（19）And bottom plate（20）, four groups of inserting columns（17）Top respectively with the fixed plate（16） Front left side, left rear side, the forward right side of bottom end are connected with right lateral side, and four groups of intubations（18）Bottom end and the bottom plate （20）Front left side, left rear side, the forward right side on top are connected with right lateral side, four groups of inserting columns（17）Bottom end slidably insert respectively Enter to four groups of intubations（18）Top inside, and four groups of intubations（18）Right end to be respectively arranged with four groups of locking screws logical Hole, four groups of locking screw through-holes respectively with four groups of intubations（18）Inside communicates, four groups of clamping screws（19）'s Left end is inserted into respectively and spiral shell is filled to inside four groups of locking screw through-holes, and four groups of clamping screws（19）Left end respectively with it is described Four groups of intubations（18）Right end lock contact.

4. a kind of drawing auxiliary device as claimed in claim 3, which is characterized in that further include lower threaded rod（21）With lower screw thread Pipe（22）, the bottom plate（20）Top middle portion be provided with swivelling chute and swivelling chute is internally provided with swing roller bearing, institute State lower screwed pipe（22）Bottom end be inserted and fixed installation to swing roller Bearing inner, the lower threaded rod（21）Bottom end insert Enter and spiral shell is filled to lower screwed pipe（22）Top inside, the lower threaded rod（21）Top and the fixed plate（16）Bottom end Connection.

5. a kind of drawing auxiliary device as claimed in claim 4, which is characterized in that further include four groups of non-skid feet plates（23）, Four groups of bottoms non-skid feet plate（23）Top respectively with the bottom plate（20）The front left side of bottom end, left rear side, forward right side and Right lateral side connection.

6. a kind of drawing auxiliary device as claimed in claim 5, which is characterized in that further include multiple groups tread plate（24）, described Multiple groups tread plate（24）Circumference is evenly distributed with respectively to be arranged in the lower screwed pipe（22）Outer wall on.

7. a kind of drawing auxiliary device as claimed in claim 6, which is characterized in that further include non-skid rubber ring（25）, described anti- Sliding cushion rubber（25）It is fixedly set in the upper screwed pipe（5）Outer wall on, and the non-skid rubber ring（25）Outer wall on be arranged There is the anti-skidding ripple of multiple groups.