CN211120935U

CN211120935U - Dedicated drawing scale of engineering cost

Info

Publication number: CN211120935U
Application number: CN201922431596.1U
Authority: CN
Inventors: 刘学所
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-28
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a dedicated drawing scale of engineering cost, including two mechanism casees, every symmetrical spout, every are all seted up to the inside wall of mechanism case the equal joint in inside of spout has the slider with spout looks adaptation, two be equipped with the slide between the slider, a side fixed connection that the left and right sides face of slide is close to each other with two sliders respectively, the bottom surface fixedly connected with spliced pole of slide. This dedicated drawing scale of engineering cost can make the scale remove the assigned position and draw, thereby, avoided taking place frictional problem with the engineering drawing, solved when removing the scale, lead to appearing the problem that the friction appears fuzzy with the engineering drawing, can make the spliced pole drive the gyro wheel and contract, with the inside of gyro wheel retraction mechanism case and can pop out by the gyro wheel, thereby, make the scale remove the drawing, the definition of drawing has been guaranteed, the problem that can cut engineering drawing is solved.

Description

Dedicated drawing scale of engineering cost

Technical Field

The utility model relates to a scale technical field specifically is a dedicated drawing scale of engineering cost.

Background

The scale is used for representing the ratio of the length of a line segment on a diagram to the actual length of a corresponding line segment on the ground, the formula is the ratio of the distance on the scale diagram to the actual distance, the scale has three representing methods including a numerical scale, a graphic scale and a text scale, generally speaking, a large-scale map has detailed content and high geometric precision, can be used for on-diagram measurement, and a small-scale map has strong content generalization and is not suitable for on-diagram measurement.

In engineering drawing, a scale is indispensable equipment, but the current scale is easy to rub with engineering drawings in the measuring process, so that the engineering drawings are blurred, the definition of the drawings is seriously influenced, and the drawings are scratched seriously.

Disclosure of Invention

An object of the utility model is to provide a dedicated drawing scale of engineering cost to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dedicated drawing scale of engineering cost, includes two mechanism casees, every symmetrical spout, every are all seted up to the inside wall of mechanism case the equal joint in inside of spout has the slider with spout looks adaptation, two be equipped with the slide between the slider, a side fixed connection that the left and right sides face of slide is close to each other with two sliders respectively, the bottom surface fixedly connected with spliced pole of slide, the right side of mechanism case is equipped with scale and fixed bucket respectively, the connector has been seted up to the bottom surface of mechanism case, the bottom of spliced pole runs through the connector and extends to the below of mechanism case.

The bottom fixedly connected with gyro wheel of spliced pole, the last fixed surface of slide is connected with the spring, the interior roof fixedly connected with fixed plate of mechanism case, the bottom surface of fixed plate and the top fixed connection of spring, the circular recess with fixed bucket looks adaptation is seted up in the front of mechanism case, the fixed slot with scale looks adaptation is seted up in the front of mechanism case, the inside joint of fixed slot has the scale, the inside joint of fixed bucket has the telescopic link, the right-hand member of telescopic link extend to fixed bucket and with the inner wall fixed connection of circular recess, the outer fixed surface of fixed bucket inlays the screwed pipe that has the equidistance to be arranged, the top of fixed bucket is equipped with the staple, the screwed pipe is run through and extends to the inside of fixed bucket in the bottom of staple.

Preferably, the bottom surface of the mechanism box is fixedly connected with symmetrical anti-skid pads, and the thickness of the anti-skid pads is at least three millimeters.

Preferably, the mechanism box is internally provided with symmetrical positioning columns, and the bottom end of each positioning column is fixedly connected with the inner bottom wall of the mechanism box.

Preferably, the inner side wall of the fixed barrel is fixedly connected with a protection pad, and the right side face of the protection pad is in contact with the left side face of the telescopic rod.

Preferably, the bottom surface of the fixing nail is fixedly connected with an extrusion pad, and the bottom surface of the extrusion pad is fixedly connected with the outer surface of the telescopic rod.

Preferably, the inner top wall of each sliding groove is fixedly connected with a sliding rod, and the bottom end of each sliding rod penetrates through the sliding block and is fixedly connected with the inner bottom wall of each sliding groove.

Advantageous effects

The utility model discloses possess following beneficial effect:

1. the sliding chute is arranged, so that the sliding block can move up and down in the sliding chute, the sliding rod is arranged, the sliding block can move up and down along the sliding rod, the problem that the sliding block is blocked when moving is avoided, the roller can rotate through the pushing mechanism box, the roller rotates to drive the scale to move, and the scale can move to a specified position to draw, so that the problem of friction with an engineering drawing is avoided, and the problem that the friction with the engineering drawing is fuzzy when the scale is moved is solved;

2. through being provided with the fixed plate, can fix the spring, prevent that the spring from taking place to shift and the problem that drops, utilize the elasticity of spring, can reciprocate the slide, reciprocate through the slide, can make the spliced pole drive the gyro wheel and contract, can pop out the inside of gyro wheel retraction mechanism case and can the gyro wheel to, make the scale remove the drawing, guaranteed the definition of drawing, solved and can cut open the problem of engineering drawing.

Drawings

FIG. 1 is a cross-sectional view of a front view of the mechanism housing of the present invention;

FIG. 2 is a sectional view of the front view of the fixing barrel of the present invention;

fig. 3 is a side view of the mechanism box of the present invention.

In the figure: the device comprises a mechanism box 1, a sliding groove 2, a sliding rod 3, a fixing plate 4, a spring 5, a sliding block 6, a sliding plate 7, a connecting column 8, a connecting port 9, a roller 10, a fixed barrel 11, a scale 12, a non-slip mat 13, a threaded pipe 14, a telescopic rod 15, a fixing nail 16, a protective mat 17, a circular groove 18, a fixed groove 19, a positioning column 20 and an extrusion mat 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drawing scale special for engineering cost comprises two mechanism boxes 1, symmetrical anti-slip pads 13 are fixedly connected to the bottom surfaces of the mechanism boxes 1, the thickness of each anti-slip pad 13 is at least three millimeters, the mechanism boxes 1 are prevented from sliding, the stability of the mechanism boxes 1 is improved, symmetrical positioning columns 20 are arranged inside the mechanism boxes 1, the bottom ends of the positioning columns 20 are fixedly connected with the inner bottom wall of the mechanism boxes 1, the sliding plate 7 is positioned, the sliding plate 7 is prevented from being damaged, symmetrical sliding grooves 2 are formed in the inner side wall of each mechanism box 1, sliding rods 3 are fixedly connected to the inner top wall of each sliding groove 2, the bottom end of each sliding rod 3 penetrates through the sliding block 6 and is fixedly connected with the inner bottom wall of the sliding groove 2, the sliding of the sliding block 6 is achieved, the problem that the sliding block 6 is blocked is solved, sliding blocks 6 matched with the sliding grooves 2 are clamped inside the sliding grooves 2, be equipped with slide 7 between two sliders 6, slide 7's the left and right sides face respectively with two sliders 6 a side fixed connection that is close to each other, slide 7's bottom surface fixedly connected with spliced pole 8, mechanism case 1's right side is equipped with scale 12 and fixed bucket 11 respectively, fixed bucket 11's inside wall fixedly connected with protection pad 17, the right flank of protection pad 17 contacts with the left surface of telescopic link 15, reached the protection to telescopic link 15, avoided when removing to telescopic link 15 causing the damage, connector 9 has been seted up to mechanism case 1's bottom surface, connector 9 is run through and is extended to mechanism case 1's below to the bottom of spliced pole 8.

The bottom end of the connecting column 8 is fixedly connected with a roller 10, the upper surface of the sliding plate 7 is fixedly connected with a spring 5, the inner top wall of the mechanism box 1 is fixedly connected with a fixed plate 4, the bottom surface of the fixed plate 4 is fixedly connected with the top end of the spring 5, the front surface of the mechanism box 1 is provided with a circular groove 18 matched with the fixed barrel 11, the front surface of the mechanism box 1 is provided with a fixed groove 19 matched with the proportional scale 12, the inside of the fixed groove 19 is clamped with the proportional scale 12, the inside of the fixed barrel 11 is clamped with a telescopic rod 15, the right end of the telescopic rod 15 extends to the fixed barrel 11 and is fixedly connected with the inner wall of the circular groove 18, the outer surface of the fixed barrel 11 is fixedly embedded with threaded pipes 14 which are arranged at equal intervals, a fixed nail 16 is arranged above the fixed barrel 11, the bottom surface of the fixed nail 16 is fixedly connected with an extrusion pad 21, the telescopic rod 15 is prevented from being damaged, and the bottom end of the fixing nail 16 penetrates through the threaded pipe 14 and extends to the inside of the fixing barrel 11.

The working principle is as follows: first with the inside of scale 12 left and right ends joint in fixed slot 19, through twisting staple 16, can fix telescopic link 15, then move scale 12 to the assigned position, through pressing mechanism case 1, can make slide 7 drive slider 6 rebound, through setting up slide bar 3, can make slider 6 reciprocate in spout 2, through the removal of slide 7, can compress spring 5, through the shrink of spring 5, can make gyro wheel 10 take in the inside of mechanism case 1, then draw.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dedicated drawing scale of engineering cost, includes two mechanism casees (1), its characterized in that: symmetrical sliding grooves (2) are formed in the inner side wall of each mechanism box (1), sliding blocks (6) matched with the sliding grooves (2) are clamped in the sliding grooves (2), a sliding plate (7) is arranged between the two sliding blocks (6), the left side face and the right side face of the sliding plate (7) are fixedly connected with one side face, close to the two sliding blocks (6), of the two sliding blocks respectively, a connecting column (8) is fixedly connected to the bottom face of the sliding plate (7), a scale (12) and a fixed barrel (11) are arranged on the right side of each mechanism box (1), a connecting port (9) is formed in the bottom face of each mechanism box (1), and the bottom end of each connecting column (8) penetrates through the corresponding connecting port (9) and extends to the lower portion of each mechanism box (1);

the bottom fixedly connected with gyro wheel (10) of spliced pole (8), the last fixed surface of slide (7) is connected with spring (5), the interior roof fixedly connected with fixed plate (4) of mechanism case (1), the bottom surface of fixed plate (4) and the top fixed connection of spring (5), circular recess (18) with fixed bucket (11) looks adaptation is seted up in the front of mechanism case (1), fixed slot (19) with scale (12) looks adaptation is seted up in the front of mechanism case (1), the inside joint of fixed slot (19) has scale (12), the inside joint of fixed bucket (11) has telescopic link (15), the right-hand member of telescopic link (15) extends to fixed bucket (11) and with the inner wall fixed connection of circular recess (18), the external surface mounting of fixed bucket (11) is inlayed and is had screwed pipe (14) that the equidistance was arranged, a fixing nail (16) is arranged above the fixing barrel (11), and the bottom end of the fixing nail (16) penetrates through the threaded pipe (14) and extends into the fixing barrel (11).

2. The drawing scale special for engineering cost according to claim 1, characterized in that: the bottom surface of the mechanism box (1) is fixedly connected with symmetrical anti-skid pads (13), and the thickness of the anti-skid pads (13) is at least three millimeters.

3. The drawing scale special for engineering cost according to claim 1, characterized in that: symmetrical positioning columns (20) are arranged inside the mechanism box (1), and the bottom end of each positioning column (20) is fixedly connected with the inner bottom wall of the mechanism box (1).

4. The drawing scale special for engineering cost according to claim 1, characterized in that: the inside wall fixedly connected with protection pad (17) of fixed bucket (11), the right flank of protection pad (17) contacts with the left surface of telescopic link (15).

5. The drawing scale special for engineering cost according to claim 1, characterized in that: the bottom surface of the fixing nail (16) is fixedly connected with an extrusion pad (21), and the bottom surface of the extrusion pad (21) is fixedly connected with the outer surface of the telescopic rod (15).

6. The drawing scale special for engineering cost according to claim 1, characterized in that: every the equal fixedly connected with slide bar (3) of interior roof of spout (2), every the bottom of slide bar (3) all runs through slider (6) and with the interior diapire fixed connection of spout (2).