CN1143743A - Graphic measurer - Google Patents

Abstract

The invention provides a graphics measuring device whose measuring range is equal to that of a conventional device while the total length is shorter, or, whose total length is equal to that of a conventional one while the measuring range is winder. This device comprises rollers (2) which are provided, on both sides of a body, while projecting in horizontal axis (14) in the body so that a body (1) is allowed to move in the horizontal direction straight, a measuring rod (6) which is, on a horizontal plane, allowed to rotate right and left from the straight line direction around a vertical axis (13) by a specified angle, and a trace point (7a) on the center of a tracer lens (7) provided at the tip of the measuring rod. The vertical axis is assigned on the side opposite to the tip side of the measuring rod against the horizontal axis, and, the positions of horizontal axis part of the measuring rod and a battery housing part are, as a plate-like body (6a), allowed to move rotatably, under them.

Description

Figure surveying device

The present invention relates to figure surveying device that area, length or the coordinate values of the measured drawing that limited with the corresponding tracing point of outer peripheral lines of measured chart are measured on surface levels such as drawing.

Fig. 5 is the planimetric map of the example of figure surveying device in the prior art.The roller 2 of this device by configuration respectively on a transverse axis outstanding from main body 1 left and right sides constitutes makes the main body 1 can be in the structure that moves with the rectangular direction of this transverse axis upper edge surface level.

By being installed in the Z-axis on the main body 1, sounding rod 6 pivotally horizontally rotates certain angle about the moving direction of main body 1 relatively, be provided with the stationary installation 11 that rotating in vertical direction sounding rod 6 is fixed on main body 1, the structure of this stationary installation 11 can make sounding rod 6 fixing when not using this device.

On the end of sounding rod 6, install tracing point 7a is marked at supercentral trace head lens 7, the mark pin 8 laterally projecting front ends that are installed in sounding rod 6, read/mark change-over switch 9 and read switch 10 leave trace head 7 and be configured in main body 1 one sides.

Input media (keyboard) 3 and display unit 4 are installed on main body 1, can be made the structure that ins all sorts of ways and specify and show measurement data, be used for fixing the roller fixed bar of roller 2 when setting is not used on main body 1 so that constitute.

Fig. 6 is the structure figure of this device, but sounding rod 6 horizontal pivot are bearing on the Z-axis 13 rotationally, between this Z-axis 13 and transverse axis 14, configuration can be placed the holding portion 12 of power-supply battery, main body 1 is provided with the inner space, this space content is received the scrambler that is used for sounding rod 6 move angles on the detection of vertical axle 13, and Z-axis 13 is installed near the periphery of main body 1.

In above-mentioned structure, if use the sounding rod 6 of certain-length, then because the total length of device deducts the length after the distance of 1 periphery from Z-axis 13 to main body for the diameter sum of length from the front end of sounding rod 6 to Z-axis 13 and main body 1, so when shortening the length of sounding rod 6 for the total length that makes device shortens, even sounding rod 6 is put maximum angle, its measurable width also will narrow down, and it is practical that device is difficult to.

In addition, in order to enlarge the width of measurement range, must be with the length lengthening of sounding rod 6, the result is difficult to use because of the total length of device is elongated, and makes the device receipts adorn the difficulty that becomes.

The objective of the invention is to solve the above problems and provide a kind of measurement range identical with existing device but total length shortening or total length are identical with existing device but figure surveying device that measurement range enlarges.

In order to solve the above problems, figure surveying device of the present invention comprises: move and give prominence to respectively on the both sides of main body 1 by the transverse axis 14 in the main body 1 roller 2 of installation along the horizontal linear direction in order to make main body 1, with the Z-axis 13 in the main body 1 is the sounding rod 6 of the relative rectilinear direction in center left-right rotation certain angle on surface level, be installed in the center tracing point 7a at trace head lens 7 places on these sounding rod 6 front ends, it is characterized in that: Z-axis 13 relative transverse axis 14 are configured on the side opposite with the front of sounding rod 6, and the position of the holding portion 12 of the transverse axis of sounding rod 6 part and power-supply battery should be able to make tabular body 6a rotate motion freely at their downside.

As mentioned above, for the measuring staff 6 that makes transverse axis 14 and battery accommodating part 12 lower portion and tabular body 6a can utilize sounding rod 6 and measure close clearance between drawing, and Z-axis 13 relative transverse axis are positioned on that side opposite with having device, like this, though its action is with to have a device identical, total length shortens.

In addition, if use the profile identical then because the length of sounding rod 6 can be elongated, so can enlarge the measurement range of Y direction with existing device.

Fig. 1 is the back view of a kind of figure surveying device of the present invention.

Fig. 2 is the vertical view of Fig. 1 device.

Fig. 3 is the cut-open view that comprises the Z-axis part of scrambler.

Fig. 4 is the key diagram of measurement range.

Fig. 5 is the vertical view of another kind of device of the present invention and existing device.

Fig. 6 is the following view of existing device.

Among the figure:

1 main body

2 rollers

3 input medias

6 sounding rods

The 6a tabular body

12 battery accommodating parts

13 Z-axises

14 transverse axis

15 scramblers

Fig. 1 is the back view that has solved the figure surveying device of the problems referred to above, and Fig. 2 is a vertical view, and Fig. 3 is the cut-open view that contains the Z-axis part of scrambler.

As shown in Figure 1, Z-axis 13 relative transverse axis 14 are installed on the opposite side with the trace head lens 7 of sounding rod 6 front ends, the bottom of sounding rod 6 and main body 1 is made of tabular body 6 as shown in Figure 3, so that form available narrow space between battery accommodating part 12 downsides and measurement drawing.

Z-axis 13 parts by be fixed on the main body 1 bearing 13a and through ball bearing can on the Z-axis 13a easily rotationally and an axle 13b who is vertically fixed on the tabular body 6a of sounding rod 6 constitute, scrambler 15 is installed between a 13b and the main body 1.

Therefore, comprise scrambler 15 Z-axis 13 parts since vertical direction become big and must be arranged near the periphery of main body 1.

For configuration trace head lens 7 on the tip in sounding rod 6, on center section, be provided with and read/mark conversion opening 9 and read switch 10, must there be the degree of depth to a certain degree the inside of sounding rod 6, and the front end of tabular body 6a is identical with the degree of depth of existing sounding rod.

About moving of device, its lateral attitude be axes of coordinates X to displacement show that by scrambler output and Y direction is shown by the output of the vertical component scrambler 15 of sounding rod 6 with the transverse axis interlock of roller 2.

Though Fig. 5 is the figure of existing device, also can the length of extension rod 6 be shown in the position of Z-axis 13 among Fig. 1 on this intact profile.In this case, though profile is identical with existing device, the measurement range that enlarges.

Fig. 4 is the key diagram of measurement range.The maximum deflection angle of supposing measuring staff 6 is ± α, though in the existing device of one embodiment of the present of invention device shown in Figure 2 and Fig. 5, can the scope line A that measures is identical with the scope of representing with a little line, still, the total length of apparatus of the present invention is short, and operation and receipts dress are convenient.

The maximum deflection angle of sounding rod 6 is ± α in another embodiment of the present invention device, so, even the length of sounding rod 6 is extended, for example become the shaped upper part identical with device shown in Figure 5, then as shown in Figure 4, the represented measurement range of the measurement range line B that represents with the two point dot-and-dash line is bigger than the scope of representing with line A.This part is and has enlarged measurement range.

As mentioned above,, Z-axis 13 can be configured in the opposition side of transverse axis 14, can under the situation of modifier function not, shorten the whole length of device thus, make operation and receive dress to become easy by the part of measuring staff 6 is made tabular body 6a.

If adopt the profile identical, by increasing the length of sounding rod, just can enlarge the measurement range of Y direction with existing device.

Claims (1)

1. figure surveying device, comprise: move and on the both sides of main body, give prominence to respectively the roller of installation along the horizontal linear direction by the transverse axis in the main body in order to make main body, with the Z-axis in the main body is the sounding rod of the relative rectilinear direction in center left-right rotation certain angle on surface level, be installed in the center tracing point of the trace head lens 7 on these sounding rod 6 front ends, it is characterized in that: the relative transverse axis of above-mentioned Z-axis is configured on the side opposite with front end on the above-mentioned sounding rod, and the position of the transverse axis of above-mentioned side gauge rod part and battery accommodating part should be able to make the rotatable motion freely of tabular body of this two parts downside.

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