Rapid scale for construction cost

Abstract

The utility model relates to the field of constructional engineering, and discloses a rapid ruler for engineering cost, which comprises a body, the top end of the body is fixedly connected with scales, the bottom end of the body is provided with an extension mechanism, the extension mechanism comprises an extension assembly and a limit assembly, the extension assembly comprises an extension ruler, and the limit assembly is fixedly connected with the extension ruler. A positioning disc is fixedly connected to the top end of the left portion of the extension ruler, a positioning groove is formed in the position, close to the upper portion of the positioning disc, of the bottom end of the left portion of the body, the positioning disc is rotationally connected to the inner wall of the positioning groove, and limiting grooves are formed in the periphery, close to the positioning groove, of the bottom end of the body. According to the utility model, the pressing disc is pressed to drive the guide rod, the connecting rod and the limiting rod to move downwards and slide out of the limiting groove, the limitation of the extension ruler is relieved, and the extension ruler can be quickly rotated leftwards to form a straight line with the ruler body, so that one-key quick unfolding is realized, the overall measurement length of the body can be increased, and the measurement range is enlarged; and the flexibility and practicability of the scale are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of construction engineering especially, relate to a quick scale for engineering cost. BACKGROUND

[0002] In modern engineering cost field, engineering cost is the key link in the field of construction engineering, it relates to the estimation and control of all costs needed for engineering construction, in this process, data collection is an indispensable part, which includes accurate measurement of building area size, height, distance and other parameters.

[0003] However, the traditional measuring scale design often has fixed length, when the length to be measured exceeds the length of the scale itself, multiple segmented measurements are needed, and then the total length is obtained by adding the measurement results of each segment, which is more troublesome, and the determination of the starting point and the end point of each measurement may have certain deviation during segmented measurement, which affects the accuracy of measurement, therefore, a quick scale for engineering cost is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a quick scale for engineering cost, which aims to improve the problem of "the traditional scale has fixed length, and it is inconvenient to measure the length, so multiple measurements are needed, which is more troublesome" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a quick scale for engineering cost, including body, the top end of the body is fixedly connected with scale, the bottom end of the body is provided with extension mechanism, the extension mechanism includes extension assembly and limiting assembly, the extension assembly includes extension ruler, the left top end of the extension ruler is fixedly connected with positioning disc, the left bottom end of the body is provided with positioning groove above the positioning disc, the positioning disc is rotatably connected with the inner wall of the positioning groove, the bottom end of the body is provided with limiting groove around the positioning groove, the limiting assembly includes guide rod, the guide rod penetrates and is arranged at the left top end of the body, the top end of the guide rod is fixedly connected with pressing disc above the body, the bottom end of the guide rod is fixedly connected with spring.

[0006] As a further description of the above technical scheme:

[0007] The top end of the body is provided with measuring assembly, and the measuring assembly includes angle disc.

[0008] As a further description of the above technical scheme:

[0009] The left top end of the extension ruler is provided with guide groove near the middle part of the positioning disc, and the left part of the extension ruler is provided with sliding groove one near the right side of the guide groove.

[0010] As a further description of the above technical solutions:

[0011] The left part of the extension ruler is provided with a second sliding groove near the right side of the first sliding groove, and the guide rod is slidingly connected to the inner wall of the guide groove.

[0012] As a further description of the above technical solutions:

[0013] The right side of the guide rod is fixedly connected with a connecting rod, the connecting rod is slidingly connected to the inner wall of the first sliding groove, and the other end of the spring is fixedly connected to the bottom end of the inner wall of the guide groove.

[0014] As a further description of the above technical solutions:

[0015] The right side of the connecting rod is fixedly connected with a limiting rod, the limiting rod is slidingly connected to the inner wall of the second sliding groove, and the limiting rod is inserted into the inner wall of the limiting groove.

[0016] As a further description of the above technical solutions:

[0017] The angle disc is fixedly connected to the outer side of the guide rod near the left top end of the body, and the right side of the pressing disc is fixedly connected with a pointer.

[0018] As a further description of the above technical solutions:

[0019] The angle disc is provided in a circular shape.

[0020] The utility model has the following beneficial effects:

[0021] 1、 in the utility model, by pressing the pressing disc downward, the guide rod, the connecting rod and the limiting rod are driven to move downward and slide out of the limiting groove, the limitation of the extension ruler is released, at this time, the extension ruler and the ruler body can be quickly rotated to the left to form a straight line, one-key type rapid expansion is realized, thereby the length of the whole measurement of the body can be increased, the measurement range is improved, and the flexibility and practicality of the ruler are improved.

[0022] 2、 in the utility model, by setting the angle disc, the body and the extension ruler are provided in a transparent shape, at this time, the pointer can be directed to the required measurement direction or angle by rotating the pointer, thereby the relative position between the pointer and the scale line can be quickly observed, thereby the rapid measurement of the angle is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the whole device in the utility model;

[0024] Figure 2 It is a three-dimensional structure split open schematic view of the body and the extension ruler in the utility model;

[0025] Figure 3 It is the three-dimensional structure section and split schematic view of the extension ruler in the utility model.

[0026] Figure 4 It is the three-dimensional structure split opening schematic view of the angle disc and the pointer in the utility model.

[0027] Legend:

[0028] 1, body; 2, scale; 3, extension ruler; 4, angle disc; 31, pressing disc; 32, limiting rod; 33, connecting rod; 34, guide rod; 35, positioning groove; 36, limiting groove; 37, positioning disc; 38, spring; 39, guide groove; 310, sliding groove one; 311, sliding groove two; 41, pointer. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] With reference to Figure 1 , Figure 2 and Figure 3 , one embodiment provided by the utility model is: a rapid scale for engineering cost, comprising a body 1, the body 1 is the main structure of the whole scale and is the basis of bearing and connecting other components, the top end of the body 1 is fixedly connected with a scale 2 that can be used to observe the length of measurement or the angle of measurement, the scale 2 is the direct reading basis of measurement value and can be used to observe the length of measurement and read the angle of measurement, the top end of the body 1, the extension ruler 3 and the angle disc 4 is provided with the scale 2, so that the measurement value can be observed quickly through the scale 2, the bottom end of the body 1 is provided with an extension mechanism that can extend the length of measurement, the top end of the extension ruler 3 is also provided with the scale 2, which makes it possible to quickly and accurately read the measurement value through the clear scale 2 when extending the length of measurement, the extension mechanism comprises an extension assembly and a limiting assembly that limits the extension ruler 3, the limiting assembly ensures that the extension ruler 3 keeps stable during measurement and does not shake randomly to affect the measurement result.

[0031] Further, the extension assembly comprises the extension ruler 3 provided with the scale 2 at the top end and capable of increasing the length of the body 1 by unfolding, the length of the body 1 can be increased by unfolding the extension ruler 3, thereby effectively solving the problem that the length of the conventional ruler is fixed and cannot meet the long distance measurement, the left top end of the extension ruler 3 is fixedly connected with the positioning disc 37 connecting the body 1 and the extension ruler 3, the positioning disc 37 is used in cooperation with the positioning groove 35 on the body 1, the flexible rotation of the extension ruler 3 is realized, the extension ruler 3 can be compactly stored below the body 1 when not in use, space is saved, and the extension ruler 3 can be conveniently unfolded when needed, thereby providing convenience for the measurement work, the left bottom end of the body 1 is provided with the positioning groove 35 above the positioning disc 37, the left part of the extension ruler 3 is rotatably connected to the left bottom end of the body 1 through the positioning groove 35 and the positioning disc 37.

[0032] Further, the positioning disc 37 is rotatably connected to the inner wall of the positioning groove 35, the bottom end of the body 1 is provided with the limiting groove 36 capable of limiting the extension ruler 3 around the positioning groove 35, the limiting groove 36 is provided on the front and rear and left and right sides of the outer side of the guide rod 34, the extension ruler 3 can be limited by sliding the limiting rod 32 into the corresponding limiting groove 36, and when the limiting rod 32 slides into the limiting groove 36 in front or rear, the extension ruler 3 is at a right angle 90° with the body 1, the limiting assembly comprises the guide rod 34 driving the connecting rod 33 to move, the guide rod 34 penetrates and is arranged at the left top end of the body 1, the top end of the guide rod 34 is fixedly connected with the pressing disc 31 driving the guide rod 34 to move downward near the upper side of the body 1, and the bottom end of the guide rod 34 is fixedly connected with the spring 38 capable of quickly resetting after being pressed.

[0033] Referring to Figure 1 , Figure 2 and Figure 4 , the top end of the body 1 is provided with the measurement assembly measuring the angle, the measurement assembly comprises the angle disc 4 provided with the scale 2 of the angle, the angle disc 4 is marked with clear angle scale 2, the angle can be accurately measured by cooperating with the pointer 41, and the angle can be quickly measured by the scale 2 of the angle provided on the angle disc 4.

[0034] Referring to Figure 1 , Figure 2 and Figure 3The left top end of the extension ruler 3 is provided with a guide groove 39 near the middle of the positioning disc 37, which provides space for the movement of the guide rod 34 and the spring 38. The left part of the extension ruler 3 is provided with a sliding groove I 310 near the right side of the guide groove 39, which provides space for the sliding of the connecting rod 33. The left part of the extension ruler 3 is provided with a sliding groove II 311 near the right side of the sliding groove I 310, which provides space for the downward movement of the limiting rod 32. The guide rod 34 is slidingly connected to the inner wall of the guide groove 39. The right side of the guide rod 34 is fixedly connected with the connecting rod 33, which drives the limiting rod 32 to move. The connecting rod 33 is slidingly connected to the inner wall of the sliding groove I 310. The other end of the spring 38 is fixedly connected to the bottom end of the inner wall of the guide groove 39. The right side of the connecting rod 33 is fixedly connected with the limiting rod 32, which can slide into the corresponding limiting groove 36 to limit the extension ruler 3. The limiting rod 32 is slidingly connected to the inner wall of the sliding groove II 311. The limiting rod 32 is inserted into the inner wall of the limiting groove 36.

[0035] Referring to Figure 1 , Figure 2 and Figure 4 , the angle disc 4 is fixedly connected to the left top end of the body 1 near the outer side of the guide rod 34. The right side of the pressing disc 31 is fixedly connected with the pointer 41, which can quickly measure the angle by adjusting the position of the pointer 41 and corresponding to the position of the scale 2 of the pointer 41 on the angle disc 4. The angle disc 4 is in a circular shape. By being in a circular shape, the scale 2 of the angle can be set on the circular shape, so that the angle can be measured. When measuring the angle, rotate the pressing disc 31, and the pointer 41 and the extension ruler 3 rotate together. The value of the scale 2 on the angle disc 4 corresponding to the pointer 41 is the measured angle.

[0036] Working principle: when the length to be measured exceeds the length range of the body 1, first, press down the pressing disc 31. The pressing disc 31 drives the guide rod 34 fixedly connected thereto to move downward. The guide rod 34 slides in the guide groove 39 and presses the spring 38. As the guide rod 34 moves downward, the connecting rod 33 fixedly connected thereto also slides downward in the sliding groove I 310. The connecting rod 33 drives the limiting rod 32 fixedly connected thereto to move downward in the sliding groove II 311, so that the limiting rod 32 slides out of the limiting groove 36, thereby releasing the limitation of the extension ruler 3. At this time, the extension ruler 3 can be rotated to the left. Rotate the extension ruler 3 to be in a straight line with the body 1. At this time, the extension ruler 3 can be quickly unfolded, increasing the overall measurement length of the body 1. At this time, release the pressing disc 31. Under the action of the elastic force of the spring 38, the guide rod 34 resets upward, driving the connecting rod 33 and the limiting rod 32 to move upward. The limiting rod 32 slides into the corresponding limiting groove 36 near the right side of the guide rod 34, limiting and fixing the extension ruler 3. The top end of the extension ruler 3 is also provided with a scale 2. When measuring the length, the operator can clearly and accurately read the measurement value through the scale 2.

[0037] In the measurement angle, the angle disc 4 and the pointer 41 work together, the angle disc 4 is fixedly connected on the left top end of the body 1 near the outer side of the guide rod 34, and is set as a circular shape, and is marked with clear angle scale 2, after the extension ruler 3 is released from the limiting position by pressing the pressing disc 31, the extension ruler 3 and the pressing disc 31 are rotated, the pointer 41 fixedly connected therewith is driven to rotate, the pointer 41 rotates on the angle disc 4, the value of the scale 2 on the angle disc 4 corresponding to the pointer 41 is the measured angle degree, and the operator can quickly and accurately measure the angle by observing the scale 2 position of the pointer 41 on the angle disc 4, and the diversified measurement demand in the engineering cost work can be met.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A rapid cost estimation scale, comprising a body (1), characterized in that: The top of the main body (1) is fixedly connected to a scale (2), and the bottom of the main body (1) is provided with an extension mechanism. The extension mechanism includes an extension component and a limiting component. The extension component includes an extension ruler (3). The top left of the extension ruler (3) is fixedly connected to a positioning plate (37). The bottom left of the main body (1) is provided with a positioning groove (35) above the positioning plate (37). The positioning plate (37) is rotatably connected to the inner wall of the positioning groove (35). The bottom of the main body (1) is provided with limiting grooves (36) around the positioning groove (35). The limiting component includes a guide rod (34). The guide rod (34) passes through and is provided at the top left of the main body (1). The top of the guide rod (34) is fixedly connected to a pressing plate (31) above the main body (1). The bottom of the guide rod (34) is fixedly connected to a spring (38).

2. The rapid scale for engineering cost estimation according to claim 1, characterized in that: The top of the body (1) is provided with a measuring component, which includes an angle disk (4).

3. The rapid scale for engineering cost estimation according to claim 1, characterized in that: The left top of the extension ruler (3) is provided with a guide groove (39) near the middle of the positioning plate (37), and the right side of the left side of the extension ruler (3) near the guide groove (39) is provided with a sliding groove (310).

4. A rapid scale for engineering cost estimation according to claim 3, characterized in that: The left side of the extension ruler (3) is provided with a slide groove two (311) near the right side of the slide groove one (310), and the guide rod (34) is slidably connected to the inner wall of the guide groove (39).

5. A rapid scale for engineering cost estimation according to claim 4, characterized in that: A connecting rod (33) is fixedly connected to the right side of the guide rod (34). The connecting rod (33) is slidably connected to the inner wall of the slide groove (310). The other end of the spring (38) is fixedly connected to the bottom of the inner wall of the guide groove (39).

6. A rapid scale for engineering cost estimation according to claim 5, characterized in that: A limiting rod (32) is fixedly connected to the right side of the connecting rod (33). The limiting rod (32) is slidably connected to the inner wall of the slide groove (311). The limiting rod (32) is inserted into the inner wall of the limiting groove (36).

7. A rapid scale for engineering cost estimation according to claim 2, characterized in that: The angle disc (4) is fixedly connected to the outer side of the left top of the body (1) near the guide rod (34), and the pointer (41) is fixedly connected to the right side of the pressing disc (31).

8. A rapid scale for engineering cost estimation according to claim 2, characterized in that: The angle disk (4) is set to a circular shape.

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