CN2191105Y

CN2191105Y - Ruller-type drawing device

Info

Publication number: CN2191105Y
Application number: CN 94237035
Authority: CN
Inventors: 曾德邻; 谢小莲
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-06
Filing date: 1994-04-06
Publication date: 1995-03-08
Anticipated expiration: 2004-04-06

Abstract

The utility model relates to a ruler-type drawing device, which comprises a drawing board, a drawing ruler, a proportion ruler and a triangular ruler. The utility model is characterized in that the end of the drawing ruler is provided with a guiding device and a guiding and a position locking and automatically resetting device; the upper and the lower sides of the drawing ruler are provided with a proportion scale strip composed of multiple channel different proportions, and an indicating scale line; the drawing ruler is sheathed with a line drawing device for drawing vertical lines; the drawing device and the drawing plate with a proportion scale strip composed of multiple channel different proportions respectively on both sides form a straight ruler type drawing machine. CyThe utility model has the advantages of simple and novel structure, small size, high efficiency in drawing.

Description

Ruller-type drawing device

The utility model relates to a kind of plotting unit.

Draught machine of the prior art is as a kind of efficient drawing instrument, have that the T type is guide tracked, the H type is guide tracked and polytype such as cantilevered, but their ubiquities complex structure, the processing request height, be worth expensive shortcoming, and bulky, heavy, be not suitable for applying on a large scale.

The purpose of this utility model will provide a kind of ruler type draught machine exactly, to overcome the above-mentioned deficiency of draught machine in the prior art, promotes the wide popularization and application of efficient drawing instrument.

The technical solution of the utility model is: comprise chart board, drawing ruler, engineer's scale and set square, near guide edge place, west side, along guide edge length two engineer's scales that are made of the multiple tracks different proportion are being set on the chart board surface; Device has guider and guiding, lock-bit and automatically resets fit device respectively at the drawing ruler two ends of an absolute construction, constitute moving rail of the present utility model, moving rail horizontal device can and be realized locking position along chart board guide edge direction free shift on chart board; Drawing ruler is as horizontal line drawing ruler, the surface directly is manufactured with metric system meter ruler scale and the engineer's scale scale graduation that is made of multiple different proportion thereon, also is provided with in order to read drawing ruler at the reader from constituting to the indication groove of establishing definite position of engineer's scale and displacement on the chart board on the chart board at lower surface; Drawing ruler is made by transparent material; On the ram of making by transparent material, connecting a right angle set square, be sleeved on the drawing ruler and can freely separate and fit as the vertical line line-plotting device with drawing ruler, also be provided with on the ram in order to the setting-out of indication drawing square along position on drawing ruler and displacement by the reader of indicating groove to constitute, on drawing square, also be provided with cloud shape curve groove and angle index groove.

In technique scheme, because the utility model has installed guiding and guiding, lock-bit and has automatically reset fit device on drawing ruler, be provided with the scribe mark and the indication groove of metric system meter ruler scale and many compositions of proportions from the teeth outwards, make the drawing ruler in the utility model have line drawing ruler, engineer's scale, reader and the multinomial function of moving rail, it is the ruler type draught machine that drawing ruler, vertical line line-plotting device and the chart board that is provided with engineer's scale have constituted the utility model.The utility model is because simple in structure, compact and reasonable, so all less aspect volume, deadweight, also lower to the requirement of material, manufacturing process, the mapping of utilization the utility model has conveniently, easily,, accurately, characteristic of accurate, especially aspect the ratio mapping.

Below in conjunction with the embodiment accompanying drawing in detail the utility model is described in detail.

At first accompanying drawing is described

Fig. 1. represent structure chart of the present utility model, be the embodiment of horizontal device for a kind of drawing ruler.

Fig. 2. represent drawing ruler cross-sectional structure figure of the present utility model

Fig. 3. represent drawing ruler surface texture figure of the present utility model

Fig. 4. represent the structure chart of guiding of the present utility model, lock-bit and the combination body device that automatically resets

Fig. 5. represent guider structure chart of the present utility model

Fig. 6. represent vertical line line-plotting device structure chart of the present utility model

Referring to accompanying drawing, the utility model is provided with two scale graduation bands (5) that are made of the multiple tracks different proportion on chart board (1) surface near guide edge (6) both sides and along guide edge (6) length direction, and drawing ruler (4) along continuous straight runs device is last and orthogonal with scale graduation band (5) at chart board (1); Stretch out outside chart board (1) at drawing ruler (4) two ends, one end device has guider (3), other end device has guiding, the lock-bit and the fit device (7) that automatically resets, drawing ruler (4) returning apparatus has vertical line line-plotting device (2), also be provided with scale graduation band (5) the identic scale graduation band of ratio (8) of going up setting with chart board (1) at drawing ruler (4) upper surface, drawing ruler (4) can be made free shift and realize locking position in chart board (1) upper edge guide edge (6) direction, vertical line line-plotting device (2) can be realized freely separating and fit with drawing ruler (4), as Fig. 1. shown in, be the embodiment that drawing ruler is horizontal device.

The utility model is that the preceding facade (10) of drawing ruler (4) is for having the vertical surface of groove to the structure of drawing ruler (4) of device on chart board (1), back facade (12) is a vertical surface, shown in figure (2), is that the groove upper surface of start line be provided with metric system meter ruler scale (15) with setting-out along (9) at the preceding facade (10) of drawing ruler (4), go up the scale graduation band (8) that is provided with at drawing ruler (4) upper surface (11), the scope that its scale occupies equates or approaching equating with the distance that chart board (1) is gone up between two scale graduation bands (5) adjacent edge that is provided with, (14) one of indication grooves respectively are set in two scale graduation bands (5) corresponding position that drawing ruler (4) bottom surface (13) is gone up and chart board (1) upward is provided with, indication groove (14) is vertical with the length direction that chart board (1) is gone up set scale graduation band (5), constitute reader, with for reading position and the displacement of drawing ruler (4) on chart board (1), and be determined proportional positions of ratio and the scaled distance of setting up by scale graduation band (5), as Fig. 2., Fig. 3. shown in, drawing ruler (4) is made by transparent material.

For Fig. 1. shown in embodiment be the guiding, the structure of the lock-bit and the combination body device (7) that automatically resets is as Fig. 4. shown in, at member (25) higher slice two parts device is being set, top is divided into catch means, structure is to be connected with handle (23) there being an end to stretch out member (25) rear end face, the other end stretches into and is with nut (22) nut (22) on the screw rod (21) in the member (25) and is connected with the push rod (20) that passes member (25) front end face, turning handle (23), can be by the push rod (20) that nut (22) drives along screw rod (21) axial direction precession, when its precession direction is when contacting and pushing with the guide edge (6) of chart board (1) forward, can reach locking drawing ruler (4) and go up the purpose of position at chart board (1), turning handle (23), make push rod (20) backward during precession, can reach the purpose that discharges drawing ruler (4) latched position; The bottom is guiding and automatic reset device, structure is in the set groove (16) in member (25) bottom the piston rod (17) that small end stretches out member (25) front end facade to be housed, be subjected to the roof pressure of the spring (27) of auto levelizer in groove (16) behind piston rod (17) rear end, the other end of spring (27) is sleeved on the screw (24), contact with the nut (26) on being sleeved on screw (24), nut (26) is subjected to the spline constraint in groove (16), the ailhead of screw (24) stretches out outside the rear end face of member (25); The small end of piston rod (17) is connected with a turning rolls (18), install roller (19) on the turning rolls (18), roller (19) is under the roof pressure of spring (27), can be automatically and the guide edge (6) on the chart board (1) be close to, with the guider (3) of device at drawing ruler (4) other end, the moving direction of restriction drawing ruler (4), play the guiding role, if the crooked situation of the appearance of drawing ruler (4) in the translation process, then must cause the extruding of pair roller (19), thereby piston rod (17) is pushed to spring (27), cause that spring (27) elastic force increases, impel that piston rod (17) is outer to be moved and finally cause drawing ruler (4) to return to the reference position automatically, roller (19) can be realized regulating to the contact pressure of guide edge (6) by screw (24).

For Fig. 1. shown in embodiment, the structure of guider (3) is as Fig. 5. shown in, respectively install a roller (29) at wheel carrier (28) two ends.The wheel rim of roller (29) protrudes from the sideline of wheel carrier (28), and wheel carrier (28) is connected with the end of drawing ruler (4).

Feature of the present utility model also is, the structure of vertical line line-plotting device (2) is as Fig. 6. shown in, the ram (30) that transparent material is made is provided with groove, and make the medial surface of groove and inner top surface respectively with the preceding facade (10) of drawing ruler (4), back facade (12) cooperates with upper surface (11) to constitute to move to be paid, make ram (30) to go up slippage at drawing ruler (4), on the bottom surface of ram (30) leading flank, also connecting has one jiao to be 60 ° drawing square (32) in two acute angles, and make the short right-angle side of drawing square (32) and the setting-out of drawing ruler (4) keep sliding-contact along (9), be provided with metric system meter ruler scale in the long square edge portion of playing the setting-out effect near drawing square (32), be provided with cloud shape curve groove (33) at drawing square (32) middle part and be carved with the groove (34) of angle index, groove inner top surface at ram (30) is carved with the indication groove (31) parallel with the long right-angle side of drawing square (32) with the position of the long right-angle side coplane of drawing square (32), constitute reader in order to the long right-angle side that reads drawing square (32) at drawing ruler (4) by metric system meter ruler scale (15) and determined position of scale graduation band (8) and displacement, ram (30) can take off from drawing ruler (4) easily, the cloud shape curve groove (33) that utilization which is provided with, angle index groove (34) is curve plotting figure and angle oblique line easily.

When implementing the utility model, it is that mode with direct making is arranged on the chart board that chart board (1) is gone up the scale graduation band (5) that is provided with, and the scale graduation band (5) on the chart board (1) can also be the form that only is provided with in chart board (1) one side; Must comprise a metric system meter ruler scale in the engineer's scale (5); Drawing ruler (4) is gone up indication groove (14) that is provided with and the scale graduation band (5) that chart board (1) is gone up setting and is coordinated, and also can be the form that an end only is set; In addition, the screw rod (21) that is provided with in guiding, lock-bit and the combination body device that automatically resets (7), the screw thread of nut (22) are bulls.

In sum, the utility model provides a kind of Ruller-type drawing device, it have modern design, simple in structure, volume is little, from heavy and light, material, manufacture craft are required low multinomial characteristics, but the most outstanding is that existing draught machine technology has marked improvement aspect drawing efficiency, and manufacturing cost will have by a relatively large margin and descend, and have outstanding application value and condition.

Claims

1, a kind of ruler type draught machine, comprise chart board, drawing ruler, engineer's scale and set square, it is characterized in that being provided with two scale graduation bands (5) that constitute by the multiple tracks different proportion near guide edge (6) two side positions and along guide edge (6) length direction on chart board (1) surface; Drawing ruler (4) along continuous straight runs device is last and orthogonal with scale graduation band (5) at chart board (1); Stretch out outside chart board (1) at drawing ruler (4) two ends, and an end device has guider (3), and other end device has guiding, lock-bit and automatically resets fit device (7); Also be provided with the reader that constitutes by indication groove (14) at lower surface (13); Drawing ruler (4) is gone up returning apparatus and vertical line line-plotting device (2).

2, ruler type draught machine according to claim 1, the structure that it is characterized in that drawing ruler (4) are that the preceding facade (10) of drawing ruler (4) is the vertical surface that groove is arranged, and back facade (12) is a vertical surface; Is that the groove upper surface (10) of start line be provided with metric system meter ruler scale (15) with setting-out along (9) at preceding facade (10); At mode be provided with and chart board (1) upward be provided with scale graduation band (5) the ratio identic scale graduation band (8) of drawing ruler (4) upper surface (11), also has metric system meter ruler scale (15) with direct making.It is approaching or equate to go up distance between two scale graduation bands (5) adjacent edge that is provided with at scope that scale graduation band (8) scale that upper surface (11) go up to be provided with occupies and chart board (1); Indication groove (14) is arranged on two scale graduation bands (5) corresponding position that bottom surface (13) is gone up and chart board (11) upward is provided with, and vertical with the length direction of scale band (5).Drawing ruler (4) is made of transparent material.

3, ruler type draught machine according to claim 1, it is characterized in that guiding, lock-bit and the combination body device that automatically resets (7) are deckers, top is being provided with an end and is stretching out member (25) rear end face and be connected with handle (23), the other end stretches on the interior screw rod (21) of member (25), the screw rod (21) and is with nut (22), nut (22) is connected with the push rod (20) that passes member (25) front end face, constitutes catch means; The bottom is being provided with groove (16), the piston rod (17) that small end stretches out member (25) front end face is housed in groove (16), piston rod (17) rear end face is subjected to the roof pressure of the spring (27) in the auto levelizer groove (16), spring (27) other end is sleeved on the screw (24), contact with the nut (26) on being sleeved on screw (24), nut (26) is subjected to the spline constraint in groove (16), the ailhead of screw (24) stretches out outside the rear end face of member (25), the small end of piston rod (17) is connected with a turning rolls (18), install roller (19) on the turning rolls (18), constitute guiding and automatic reset device.

4, ruler type draught machine according to claim 1, it is characterized in that respectively installing a roller (29) at wheel carrier (28) two ends, the wheel rim of roller (29) protrudes from the sideline of wheel carrier (28), constitutes guider (3), and wheel carrier (28) is connected with an end of drawing ruler (4).

5, ruler type draught machine according to claim 1 and 2, it is characterized in that the ram (30) that transparent material is made is provided with groove, and make the medial surface of groove and inner top surface respectively with the preceding facade (10) of drawing ruler (4), back facade (12) cooperates with upper surface (11) to constitute to move to be paid; On the bottom surface of ram (30) leading flank, also connecting has one jiao to be that 60 ° the short right-angle side of drawing square (32) drawing square (32) and the setting-out of drawing ruler (4) keep sliding-contact along (9) in two acute angles, be provided with metric system meter ruler scale near the long right-angle side edge part of drawing square (32), in the middle part of drawing square (32), be provided with cloud shape curve groove (33) and be carved with the groove (34) of angle index; Groove inner top surface at ram (30) is carved with the indication groove (31) parallel with the long right-angle side of drawing square (32) with the position of the long right-angle side coplane of drawing square (32).

6,, it is characterized in that going up the scale graduation band (5), (8) and the metric system meter ruler scale (15) that are provided with at chart board (1) and drawing ruler (4) is directly to make thereon according to claim 1 and 2 described ruler type draught machines.

7, it is characterized in that according to claim 1 or 3 described ruler type draught machines the screw rod (21) of setting in guiding, lock-bit and the combination body device that automatically resets (7) and the screw thread on the nut (22) are bulls.

8,, it is characterized in that indication groove (14) that drawing ruler (4) go up to be provided with and chart board (1) go up the scale graduation band (5) that is provided with and coordinate to being the form that a side or an end only are set according to claim 1 and 2 described ruler type draught machines.