CN216002009U - Mechanical drawing teaching ruler - Google Patents

Abstract

The utility model provides a mechanical drawing teaching ruler which comprises a graduated scale body, an auxiliary measuring ruler hinged to one end of the graduated scale body, a first supporting rod and a second supporting rod which are vertically inserted into the graduated scale body, and a drawing part arranged on the auxiliary measuring ruler in a sliding mode. Wherein, the drawing part is inserted with a drawing pen. The bottom of the graduated scale body is fixedly provided with a magnetic attraction piece. The top of the graduated scale body is provided with a first graduation line. Arc-drawing scale lines are constructed on the auxiliary measuring scale. The mechanical drawing teaching ruler is beneficial to improving the fixing effect during drawing and measuring, and improving the applicability and the surveying and mapping precision of the teaching ruler so as to meet the use requirements of teaching personnel.

Description

Mechanical drawing teaching ruler

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a mechanical drawing teaching ruler.

Background

The mechanical drawing is an operation that a real object or an imaginary mechanical mechanism is drawn on a plane according to a certain proportion and rules, and is mainly used in the work of mechanical design, engineering design and the like. Drawing ruler tradition among the prior art, the function is single, if draw straight line, curve or measurement angle etc. at the mapping in-process, the drawing ruler still takes place to slide easily, leads to using not convenient enough when drawing, and the drawing precision is lower, can't satisfy teaching personnel's drawing demand.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention aims to provide a mechanical drawing teaching ruler, which is beneficial to improving the fixing effect during drawing and measurement, and improving the applicability and surveying and mapping precision of the teaching ruler so as to meet the use requirements of teaching personnel.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a mechanical drawing teaching ruler comprises a graduated scale body, an auxiliary measuring scale hinged to one end of the graduated scale body, a first supporting rod and a second supporting rod which are vertically inserted into the graduated scale body, and a drawing part arranged on the auxiliary measuring scale in a sliding mode; a drawing pen is inserted in the drawing part; a magnetic part is fixedly arranged at the bottom of the graduated scale body; a first scale mark is formed on the top of the scale body; and arc-drawing scale lines are constructed on the auxiliary measuring scale.

Furthermore, an angle scale mark is constructed at one end of the scale body, which is hinged with the auxiliary measuring scale, and an angle pointer is formed on the auxiliary measuring scale.

Furthermore, a circle center index piece is installed at the hinged position of the graduated scale body and the auxiliary measuring scale.

Furthermore, a second scale mark is formed on the auxiliary measuring scale.

Furthermore, the drawing part comprises a sliding part arranged on the auxiliary measuring scale in a sliding manner, a length pointer formed on the sliding part and used for indicating the arc-drawing scale mark, and a clamping assembly fixedly arranged on the sliding part.

Furthermore, the clamping assembly comprises a mounting hole arranged on the sliding part and a clamping part arranged on the sliding part in a penetrating manner; the clamping part is used for fixing the drawing pen inserted into the mounting hole.

Furthermore, the clamping assembly further comprises a screw rod screwed on the sliding part and a limiting part arranged on the screw rod and used for wrapping the drawing pen.

Furthermore, a storage box is arranged at the top of the graduated scale body.

Compared with the prior art, the utility model has the following advantages:

(1) according to the mechanical drawing teaching ruler, the first support rod, the second support rod and the drawing pen are matched to support the graduated scale body, so that the graduated scale body is not prone to sliding under the condition of unevenness. And inhale the piece through the installation magnetism and can improve the laminating effect of scale body on the horizontal plane for drawing precision can improve, can satisfy teaching personnel's drawing demand.

(2) The cooperation of angle scale mark and angle pointer is adopted for the teaching ruler can carry out the angular surveying, and the use of cooperation portion of drawing and drawing pen can carry out the drawing of circular arc or circle.

(3) The circle center mark mounting part is beneficial to quickly finding the circle center, and the teaching ruler is convenient to use and operate.

(4) Through setting up the second scale mark, can improve the flexibility ratio that the teaching ruler used.

(5) By adopting the sliding part, the drawing part consisting of the screw rod and the length pointer and the use of drawing the arc scale lines, the radius can be more easily determined and measured, and the arc can be more easily drawn.

(6) The drawing pen is clamped and fixed through the matching of the clamping part and the mounting hole, and the drawing pen is simple to operate and convenient to fix.

(7) The fixing of the drawing pen can be further strengthened by the arranged screw rod and the limiting part, so that the drawing accuracy is improved.

(8) Set up the storing box and can accomodate drawing pen, first bracing piece and second bracing piece and store, improve the result of use of teaching ruler and the portability of use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate embodiments of the utility model and together with the description serve to explain the utility model, and the description is given by way of example only and without limitation to the terms of relative positions. In the drawings:

fig. 1 is a schematic structural diagram of a mechanical drawing teaching ruler according to an embodiment of the present invention;

FIG. 2 is a top view of a mechanical drawing teaching ruler according to an embodiment of the present invention;

FIG. 3 is a bottom view of a mechanical drawing teaching ruler in accordance with an embodiment of the present invention;

description of reference numerals:

1. a scale body; 101. angle scale lines; 102. a first scale mark; 103. a fixed part; 104. Fastening a bolt; 105. perforating; 106. a magnetic member; 2. an auxiliary measuring scale; 201. drawing arc scale lines; 202. a second scale mark; 203. an angle pointer; 204. a chute; 3. a circle center indicator; 4. a storage box; 5. a drawing part; 501. a sliding part; 502. a screw connection rod; 503. a limiting part; 504. a length pointer; 505. a clamping portion; 6. a drawing pen; 7. a first support bar; 8. a second support bar.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

This embodiment relates to a mechanical drawing teaching ruler, can be favorable to improving the fixed effect when drawing and measuring, improves teaching ruler's suitability and survey and drawing precision to satisfy teaching personnel's user demand. The mechanical drawing teaching ruler comprises a graduated scale body 1, an auxiliary measuring ruler 2 hinged to one end of the graduated scale body 1, a first supporting rod 7 and a second supporting rod 8 which are vertically inserted into the graduated scale body 1, and a drawing part 5 arranged on the auxiliary measuring ruler 2 in a sliding manner; a drawing pen 6 is inserted into the drawing part 5; a magnetic part 106 is fixedly arranged at the bottom of the graduated scale body 1; a first scale mark 102 is formed on the top of the scale body 1; an arc-drawing scale line 201 is constructed on the auxiliary measuring scale 2.

Based on the above design concept, an exemplary structure of the mechanical drawing teaching ruler of this embodiment is as shown in fig. 1, and it mainly includes a scale body 1, and an auxiliary measuring ruler 2 hinged to one end of the scale body 1. Wherein, the top shaping at scale body 1 has first scale mark 102, has seted up two perforation 105 on scale body 1 in addition symmetrically, wears to be equipped with first bracing piece 7 and second bracing piece 8 on perforation 105. The first support rod 7 and the second support rod 8 are fixedly arranged on the scale body 1 through the fixing part 103 and are vertically arranged with the main body 1. A fastening bolt 104 is provided on the fixing portion 103 to fix the first support bar 7 and the second support bar 8. In the present embodiment, the fastening bolt 104 may be configured in a butterfly shape on the top thereof for good fastening adjustment. As shown in fig. 2, a storage box 4 is configured at the top of the scale body 1. Set up storing box 4 and can accomodate the storage to first bracing piece 7 and second bracing piece 8 to drawing pen 6 among the following, improve teaching ruler's result of use and portability of using. As shown in fig. 3, a magnetic member 106 is fixedly mounted at the bottom of the scale body 1, which is beneficial for the teaching ruler to be attached to the surveying and mapping plane.

The one end that articulates on scale body 1 has supplementary dipperstick 2 is constructed angle scale mark 101 to it forms angle pointer 203 to help on dipperstick 2, makes the teaching ruler can carry out the angle measurement, and the use of cooperation drawing portion 5 and drawing pen 6 can carry out the drawing of circular arc or circle. And a circle center index piece 3 is arranged at the hinged position of the graduated scale body 1 and the auxiliary measuring scale 2. The circle center indicating piece 3 is cylindrical, the middle part of the circle center indicating piece is hollow, and a circle center pointer for indicating the circle center is constructed on the periphery of the circle center indicating piece. The circle center mark 3 is installed to help quickly find the circle center, so that the teaching ruler is convenient to use and operate.

An arc-drawing scale line 201 and a second scale line 202 are formed on the auxiliary measuring scale 2. By setting the second scale marks 202, the flexibility of the teaching ruler can be improved. A sliding groove 204 is formed in the side wall of the auxiliary measuring scale 2, and the drawing part 5 is slidably disposed in the sliding groove 204 of the auxiliary measuring scale 2. The drawing part 5 includes a sliding part 501 slidably disposed on the auxiliary measuring scale 2, a length indicator 504 formed on the sliding part 501 for indicating the arc-drawing scale 201, and a clamping component fixedly mounted on the sliding part 501. The drawing part 5 formed by the sliding part 501, the screw rod 502 and the length pointer 504 is matched with the use of the drawn arc scale line 201, so that the determination and measurement of the radius and the drawing of the arc are easier to perform.

The clamping assembly includes a mounting hole opened on the sliding portion 501, and a clamping portion 505 penetrating the sliding portion 501; the holding portion 505 fixes the drawing pen 6 inserted into the mounting hole. In addition, the drawing pen further comprises a screw rod 502 screwed on the sliding portion 501, and a limiting portion 503 mounted on the screw rod 502 for wrapping the drawing pen 6. The drawing pen 6 is clamped and fixed through the matching of the clamping part 505 and the mounting hole, so that the operation is simple and the fixing is convenient. The screw rod 502 and the limiting part 503 can further strengthen the fixation of the drawing pen 6, so as to improve the drawing accuracy.

Adopt the mechanical drawing teaching ruler of above-mentioned embodiment well through the cooperation that sets up first bracing piece 7, second bracing piece 8 and drawing pen 6, play the supporting effect to scale body 1 for scale body 1 is difficult for taking place to slide under the uneven circumstances. And through installing magnetism piece 106 can improve the laminating effect of scale body 1 on the horizontal plane for drawing precision can improve, can satisfy teaching personnel's drawing demand.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A mechanical drawing teaching ruler, characterized in that: comprising a scale body (1), an auxiliary measuring ruler (2) hinged on one end of the scale body (1), vertically inserted in the scale body (1). 1) on the first support rod (7) and the second support rod (8), and the drawing part (5) slidably arranged on the auxiliary measuring ruler (2); inserted into the drawing part (5) There is a drawing pen (6); a magnetic attraction piece (106) is fixed on the bottom of the scale body (1); a first scale line (102) is formed on the top of the scale body (1); An arc scale line (201) is constructed on the auxiliary measuring ruler (2). 2. The teaching ruler of mechanical drawing according to claim 1, characterized in that: an angle scale line (101) is constructed on the end of the scale body (1) where the auxiliary measuring ruler (2) is hingedly connected. An angle pointer (203) is formed on the auxiliary measuring ruler (2). 3 . The teaching ruler of mechanical drawing according to claim 2 , characterized in that: a circle center indexing member ( 3 ) is installed at the hinge of the scale body ( 1 ) and the auxiliary measuring ruler ( 2 ). 4 . 4. The teaching ruler of mechanical drawing according to claim 1, characterized in that: a second scale line (202) is formed on the auxiliary measuring ruler (2). 5. The mechanical drawing teaching ruler according to claim 1, characterized in that: the drawing part (5) comprises a sliding part (501) slidably arranged on the auxiliary measuring ruler (2), and is formed on the sliding part (501). On the part (501), a length pointer (504) used to indicate the arc-drawing scale line (201), and a clamping component fixed on the sliding part (501). 6. The teaching ruler for mechanical drawing according to claim 5, characterized in that: the clamping component comprises a mounting hole opened on the sliding part (501), and is penetrated on the sliding part (501) A clamping part (505); the clamping part (505) constitutes a fixation for the drawing pen (6) inserted in the installation hole. 7. The teaching ruler for mechanical drawing according to claim 6, characterized in that: the clamping assembly further comprises a screw rod (502) screwed on the sliding part (501), and a screw rod (502) mounted on the screw A limiting portion (503) on the post (502) for wrapping the drawing pen (6). 8. The mechanical drawing teaching ruler according to any one of claims 1-7, characterized in that: a storage box (4) is constructed on the top of the ruler body (1).

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