Foldable drawing measuring scale

Abstract

The utility model discloses a foldable drawing measuring scale, which particularly relates to the technical field of drawing measurement and comprises a first scale plate and a second scale plate, close sides of the first scale plate and the second scale plate are movably connected through a hinge, and protractors are arranged at the tops of the first scale plate and the second scale plate. The top of the first ruler plate and the top of the second ruler plate are each provided with a disassembling mechanism facilitating disassembling of the protractor, each disassembling mechanism comprises two mounting plates arranged on the top of the first ruler plate and the top of the second ruler plate, a connecting plate is fixedly arranged on the tops of the mounting plates, and a limiting plate is fixedly arranged at the bottom of the protractor. The protractor can be detached through the detaching mechanism, the protractor is prevented from being damaged due to collision, the service life of the protractor is prolonged, the first ruler plate and the second ruler plate can be fixed together through the limiting mechanism, and the protractor is convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing measurement, in particular to a foldable drawing measuring ruler. Background Art

[0002] When drawing and observing engineering cost drawings, a measuring ruler is usually required for auxiliary measurement to correct errors. Since length and angle need to be measured when measuring drawings, in order to facilitate the measurement of length and angle, a measuring ruler and a protractor are usually integrated to ensure the portability of the measuring ruler when in use.

[0003] However, the following problems still exist in the prior art solution: the measuring ruler and the protractor in the prior art are integrated, and the protractor is exposed outside the measuring ruler. If the measuring ruler is bumped, the protractor is easily damaged, making it impossible to measure the engineering cost drawings. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable drawing measuring ruler, which can disassemble the protractor through a splitting mechanism to avoid damage to the protractor due to collision, thereby extending the service life of the utility model, and can also fix the first scale plate and the second scale plate together through a limiting mechanism for easy carrying, so as to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foldable drawing measuring ruler, comprising a first ruler plate and a second ruler plate, wherein the first ruler plate and the second ruler plate are movably connected at one side thereof close to each other by a hinge, and protractors are provided at the top of the first ruler plate and the second ruler plate.

[0006] Preferably, the top of the first scale plate and the second scale plate are both provided with a splitting mechanism for convenient disassembly of the protractor, and the splitting mechanism includes two mounting plates respectively arranged on the top of the first scale plate and the second scale plate, a connecting plate is fixedly provided on the top of the mounting plate, a limiting plate is fixedly provided on the bottom of the protractor, a mounting groove is provided inside the connecting plate, the limiting plate and the mounting groove are adapted, a supporting plate is provided inside the mounting groove, a plurality of plug-in blocks are fixedly provided at the bottom of the supporting plate, a plurality of mounting holes are provided on the limiting plate, the mounting holes and the plug-in blocks are adapted, so as to facilitate the disassembly of the protractor.

[0007] Preferably, a plurality of first springs are fixedly provided on the top of the support plate, the top ends of the first springs are fixedly connected to the inner wall of the connecting plate, a connecting rod is fixedly provided on the top of the support plate, the top end of the connecting rod passes through the connecting plate and extends out of the top of the connecting plate, and a first handle is fixedly provided on the top of the connecting rod for driving the support plate to move.

[0008] Preferably, a moving mechanism for driving the protractor to move is provided on the top of the first scale plate and the second scale plate, and the moving mechanism includes slide grooves respectively opened on the top of the first scale plate and the second scale plate, and a threaded rod is movably connected to the inside of the slide groove through a bearing, the bottom of the mounting plate passes through the slide groove and extends into the inside of the slide groove, the threaded rod passes through the mounting plate and is connected to the mounting plate by threads, the ends of the two threaded rods away from each other respectively pass through the first scale plate and the second scale plate and extend out of one side of the first scale plate and the second scale plate, and the ends of the two threaded rods away from each other are fixed with a second handle for driving the protractor to move.

[0009] Preferably, a limiting mechanism for fixing the first scale plate and the second scale plate is provided on the side of the second scale plate away from the first scale plate, the limiting mechanism includes a first placement groove opened on one side of the second scale plate, a second placement groove is opened on one side of the first scale plate, a second spring is fixedly provided inside the first placement groove, the same fixing plate is inserted inside the first placement groove and the second placement groove, one end of the second spring close to the fixing plate is fixedly connected to the fixing plate, and a third handle is fixedly provided on the side of the fixing plate away from the second spring, which is used to fix the first scale plate and the second scale plate.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] 1. In order to prevent the protractor from being collided, the first handle is pulled, and the first handle can drive the connecting rod to move, and the connecting rod is used to drive the supporting plate to move, and the plug-in block is pulled out from the inside of the mounting hole through the supporting plate, so that the limit plate can be pulled out from the inside of the connecting plate, and the protractor can be disassembled, so as to prevent the protractor from being damaged due to collision and extend the service life of the utility model;

[0012] 2. Fold the first foot board and the second foot board together, then pull the third handle, the third handle can drive the fixed plate to move, and insert the fixed plate into the second placement slot on the first foot board, so that the first foot board and the second foot board can be fixed together for easy carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the first foot plate and the second foot plate of the utility model after folding;

[0016] Figure 3 It is a structural schematic diagram of the mounting plate of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the splitting mechanism of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the mobile mechanism of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0020] Figure 7 It is a schematic structural diagram of the first placement slot and the second placement slot of the utility model.

[0021] Description of reference numerals:

[0022] 1. First scale board, 2. Second scale board, 3. Protractor;

[0023] 4 splitting mechanism, 401 mounting plate, 402 connecting plate, 403 limiting plate, 404 mounting groove, 405 supporting plate, 406 plug-in block, 407 mounting hole, 408 first spring, 409 connecting rod, 410 first handle;

[0024] 5 moving mechanism, 501 slide slot, 502 threaded rod, 503 second handle;

[0025] 6 limiting mechanism, 601 first placement slot, 602 second placement slot, 603 second spring, 604 fixing plate, 605 third handle. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The utility model provides Figure 1-7 A foldable drawing measuring ruler shown in the figure comprises a first ruler plate 1 and a second ruler plate 2, wherein the first ruler plate 1 and the second ruler plate 2 are movably connected to each other at one side thereof by a hinge, and a protractor 3 is disposed on the top of each of the first ruler plate 1 and the second ruler plate 2;

[0028] like Figure 3 , 4As shown, the tops of the first scale plate 1 and the second scale plate 2 are both provided with a splitting mechanism 4 for facilitating the disassembly of the protractor 3, and the splitting mechanism 4 includes two mounting plates 401 respectively arranged on the tops of the first scale plate 1 and the second scale plate 2, a connecting plate 402 is fixedly provided on the tops of the mounting plates 401, a limiting plate 403 is fixedly provided on the bottom of the protractor 3, a mounting groove 404 is provided inside the connecting plate 402, the limiting plate 403 and the mounting groove 404 are adapted, a supporting plate 405 is provided inside the mounting groove 404, a plurality of plug-in blocks 406 are fixedly provided on the bottom of the supporting plate 405, a plurality of mounting holes 407 are provided on the limiting plate 403, and the mounting holes 407 and the plug-in blocks 406 are adapted;

[0029] like Figure 4 As shown, a plurality of first springs 408 are fixedly provided on the top of the support plate 405, and the top ends of the first springs 408 are fixedly connected to the inner wall of the connecting plate 402. A connecting rod 409 is fixedly provided on the top of the support plate 405, and the top end of the connecting rod 409 penetrates the connecting plate 402 and extends out of the top of the connecting plate 402. A first handle 410 is fixedly provided on the top end of the connecting rod 409;

[0030] In order to prevent the protractor 3 from being hit, the first handle 410 is pulled, and the first handle 410 can drive the connecting rod 409 to move, and the connecting rod 409 is used to drive the supporting plate 405 to move, and the plug-in block 406 is pulled out from the inside of the mounting hole 407 through the supporting plate 405, so that the limiting plate 403 can be pulled out from the inside of the connecting plate 402, and the protractor 3 can be disassembled, thereby preventing the protractor 3 from being damaged due to collision and extending the service life of the utility model.

[0031] like Figure 5 As shown, the top of the first scale plate 1 and the second scale plate 2 are both provided with a moving mechanism 5 that drives the protractor 3 to move, and the moving mechanism 5 includes a slide groove 501 respectively opened on the top of the first scale plate 1 and the second scale plate 2, and a threaded rod 502 is movably connected inside the slide groove 501 through a bearing, and the bottom of the mounting plate 401 passes through the slide groove 501 and extends to the inside of the slide groove 501, and the threaded rod 502 passes through the mounting plate 401 and is connected to the mounting plate 401 through a thread, and the ends of the two threaded rods 502 that are away from each other respectively pass through the first scale plate 1 and the second scale plate 2 and extend out of one side of the first scale plate 1 and the second scale plate 2, and the ends of the two threaded rods 502 that are away from each other are both fixed with a second handle 503;

[0032] Insert the limit plate 403 into the connecting plate 402, loosen the first handle 410, and the first spring 408 will use its own elasticity to drive the support plate 405 to move downward. The plug-in block 406 at the bottom of the support plate 405 is inserted into the mounting hole 407 on the limit plate 403, and the protractor 3 is fixed on the top of the first scale plate 1. People put the first scale plate 1 and the second scale plate 2 on the engineering cost drawing and measure them. Turn the second handle 503, and the second handle 503 can drive the slide groove 501 to rotate. The rotation of the slide groove 501 drives the mounting plate 401 to move, and the protractor 3 can be driven to move through the mounting plate 401, which is convenient for measurement.

[0033] like Figure 6 , 7 As shown, a limiting mechanism 6 for fixing the first scale plate 1 and the second scale plate 2 is provided on a side of the second scale plate 2 away from the first scale plate 1, the limiting mechanism 6 includes a first placement groove 601 opened on one side of the second scale plate 2, a second placement groove 602 is opened on one side of the first scale plate 1, a second spring 603 is fixedly provided inside the first placement groove 601, a same fixing plate 604 is inserted inside the first placement groove 601 and the second placement groove 602, one end of the second spring 603 close to the fixing plate 604 is fixedly connected to the fixing plate 604, and a third handle 605 is fixedly provided on a side of the fixing plate 604 away from the second spring 603;

[0034] Fold the first scale board 1 and the second scale board 2 together, and then pull the third handle 605, the third handle 605 can drive the fixed plate 604 to move, and insert the fixed plate 604 into the second placement groove 602 on the first scale board 1, so that the first scale board 1 and the second scale board 2 can be fixed together for easy carrying.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A foldable drawing measuring ruler, characterized in that: It comprises a first ruler (1) and a second ruler (2), wherein the first ruler (1) and the second ruler (2) are movably connected at their adjacent sides by a hinge, and a protractor (3) is provided at the top of each of the first ruler (1) and the second ruler (2); The tops of the first ruler (1) and the second ruler (2) are both provided with a disassembly mechanism (4) for facilitating the disassembly of the protractor (3); The splitting mechanism (4) comprises two mounting plates (401) respectively arranged on the top of the first scale plate (1) and the second scale plate (2); a connecting plate (402) is fixedly arranged on the top of the mounting plate (401); a limiting plate (403) is fixedly arranged on the bottom of the protractor (3); a mounting groove (404) is provided inside the connecting plate (402); the limiting plate (403) and the mounting groove (404) are matched; a supporting plate (405) is provided inside the mounting groove (404); a plurality of plug-in blocks (406) are fixedly arranged on the bottom of the supporting plate (405); a plurality of mounting holes (407) are provided on the limiting plate (403); the mounting holes (407) and the plug-in blocks (406) are matched; The tops of the first scale plate (1) and the second scale plate (2) are both provided with moving mechanisms (5) for driving the protractor (3) to move; A limiting mechanism (6) for fixing the first scale plate (1) and the second scale plate (2) is provided on a side of the second scale plate (2) away from the first scale plate (1).

2. The foldable drawing measuring ruler according to claim 1, characterized in that: A plurality of first springs (408) are fixedly provided on the top of the support plate (405), and the top ends of the first springs (408) are fixedly connected to the inner wall of the connecting plate (402). A connecting rod (409) is fixedly provided on the top of the support plate (405), and the top end of the connecting rod (409) passes through the connecting plate (402) and extends out of the top of the connecting plate (402). A first handle (410) is fixedly provided on the top end of the connecting rod (409).

3. The foldable drawing measuring ruler according to claim 1, characterized in that: The moving mechanism (5) comprises a slide groove (501) respectively provided on the top of the first scale plate (1) and the second scale plate (2); a threaded rod (502) is movably connected to the inside of the slide groove (501) via a bearing; the bottom of the mounting plate (401) passes through the slide groove (501) and extends into the inside of the slide groove (501); the threaded rod (502) passes through the mounting plate (401) and is connected to the mounting plate (401) via a thread.

4. The foldable drawing measuring ruler according to claim 3, characterized in that: The ends of the two threaded rods (502) that are away from each other respectively penetrate the first ruler (1) and the second ruler (2) and extend out of one side of the first ruler (1) and the second ruler (2), and the ends of the two threaded rods (502) that are away from each other are both fixed with a second handle (503).

5. The foldable drawing measuring ruler according to claim 1, characterized in that: The limiting mechanism (6) comprises a first placement groove (601) provided on one side of the second ruler (2); a second placement groove (602) is provided on one side of the first ruler (1); a second spring (603) is fixedly provided inside the first placement groove (601); a same fixing plate (604) is inserted inside the first placement groove (601) and the second placement groove (602); and one end of the second spring (603) close to the fixing plate (604) is fixedly connected to the fixing plate (604).

6. The foldable drawing measuring ruler according to claim 5, characterized in that: A third handle (605) is fixedly provided on a side of the fixing plate (604) away from the second spring (603).

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