Measuring scale for building cost

Abstract

The utility model relates to the technical field of building cost, which comprises a connecting seat, a first rotating shaft is rotatably connected in the connecting seat, a rotating seat is fixedly connected to the top of the first rotating shaft, a measuring scale body is arranged at the top of the rotating seat, and three first rotating shaft seats are fixedly connected to the outer side of the connecting seat. By adopting an adjusting mechanism, a rope winding wheel on the outer side of a second rotating shaft can be driven to rotate by rotating a rotary knob during use, so that a connecting rope is wound, a second clamping block is driven to leave the interior of a first groove, and three second supporting rods are driven by sliding a first connecting disc; the three second supporting rods stretch out of the bottom end of the first supporting rod, synchronous stretching can be completed, the tedious process that the single second supporting rod needs to be adjusted for multiple times is effectively avoided, the adjusting efficiency is improved, and the use convenience is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction cost, in particular to a measuring ruler for construction cost. Background Art

[0002] As we all know, construction cost refers to the price of a project. It has two meanings. The first is the total cost of a project. The second is the estimated or actual construction and installation costs and the total cost of a project resulting from transactions in the land, equipment, technical services, and contracting markets. Without a reference point, it is difficult to keep a special measuring ruler horizontal, which can easily lead to measurement errors and is not practical.

[0003] For example, the application number 202023224699.X proposes a measuring ruler for construction cost, including a lower chassis and an upper chassis, the bottom end of the upper chassis is rotatably connected to the top of the lower chassis through a rotating shaft, and a connecting rod is provided at the top of the upper chassis. The top of the first body is provided with a rack, and the front and rear sides of the top of the upper chassis are provided with horizontal windows, and the circumferential inner wall of the right end of the first body is provided with a third lens, the inner top wall and the inner bottom wall of the second body are provided with support plates, and a scale plate is connected between the inner top wall and the inner bottom wall of the second body, the inner top wall and the inner bottom wall of the second body are provided with sliding rails, and each sliding rail is provided with a slider, and a fourth lens is connected between each slider through a fixed plate, and a limiting plate is provided at the left and right ends of each sliding rail, and the output end of each telescopic rod is fixedly connected to the left end of each fixed plate, thereby reducing errors in the absence of a reference object and having high practicality.

[0004] However, the above patent requires multiple balancing nuts and connecting screws to adjust the measuring ruler to a horizontal position during use. This method requires continuous rotation of the balancing nuts and adjusting screws. After each adjustment, it is necessary to observe the measuring ruler or the spirit level again to determine whether it is horizontal, which makes adjustment extremely inconvenient. Utility Model Content

[0005] In response to the above-mentioned shortcomings of the prior art, the utility model provides a measuring ruler for construction cost, which can effectively solve the problem in the prior art that the balance nut and the adjustment screw need to be continuously rotated, and after each adjustment, the measuring ruler or the spirit level needs to be observed again to determine whether it is level, which makes the adjustment extremely inconvenient.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The utility model provides a measuring ruler for construction cost, comprising a connecting seat, wherein the interior of the connecting seat is rotatably connected to a first rotating shaft, the top of the first rotating shaft is fixedly connected to a rotating seat, a measuring ruler body is provided on the top of the rotating seat, three first rotating shaft seats are fixedly connected to the outer side of the connecting seat, the interior of the first rotating shaft seat is rotatably connected to a first support rod, the interior of the first support rod is slidably connected to a second support rod, an adjustment mechanism is provided on one side where the three first support rods are close to each other, a fixing mechanism is provided on one side where the measuring ruler body and the rotating seat are close to each other, and a plurality of first grooves are provided on one side of the first support rod.

[0008] The cam is connected to the third link, and the third link is connected to the cam by the third link.

[0009] Preferably, a fifth groove is provided on one side of the second support rod, a second spring is provided inside the fifth groove, one end of the second spring is fixedly connected to a second clamping block, the second clamping block is clamped in the first groove, a connecting rope is fixedly connected to one side of the second clamping block and located inside the second spring, one end of the connecting rope passes through the second support rod, the first telescopic rod, the second connecting disk and is fixedly connected to the rope winding wheel.

[0010] Preferably, the fixing mechanism includes a third groove opened inside the rotating seat, a first spring is provided inside the third groove, one end of the first spring is fixedly connected to a first clamping block, the bottom of the measuring ruler body is fixedly connected to an insertion block, the insertion block is plugged into the rotating seat, a second groove is opened on one side of the insertion block, the first clamping block is clamped with the second groove, a fourth groove is opened on the top of the rotating seat, a pull rod is fixedly connected to one side of the first clamping block, one end of the pull rod is located inside the fourth groove and is slidably connected to it.

[0011] Preferably, a spike is fixedly connected to the bottom end of the second support rod.

[0012] Preferably, both sides of the second support rod are rotatably connected to connection blocks near the bottom end, and the bottoms of the two connection blocks are fixedly connected to anti-slip feet.

[0013] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0014] The utility model adopts an adjustment mechanism, which can drive the rope winding wheel outside the second rotating shaft to rotate by rotating the knob during use, thereby winding up the connecting rope, driving the second clamping block to leave the inside of the first groove, and then driving the three second support rods by sliding the first connecting plate, so that the three second support rods extend from the bottom end of the first support rod, thereby completing the synchronous extension, effectively avoiding the tedious process of adjusting a single second support rod multiple times, improving the adjustment efficiency, and making the convenience of use greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 For the utility model Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 For the utility model Figure 2 Enlarged view of point C in the middle.

[0021] Figure numerals: 1, connecting seat; 2, rotating seat; 3, measuring ruler body; 4, first rotating shaft seat; 5, knob; 6, first connecting disk; 7, first groove; 8, spike; 9, anti-slip foot; 10, connecting block; 11, first support rod; 12, first telescopic rod; 13, second rotating shaft seat; 14, second support rod; 15, second telescopic rod; 16, plug block; 17, first rotating shaft; 18, second groove; 19, first clamping block; 20, third groove; 21, pull rod; 22, fourth groove; 23, first spring; 27, connecting rope; 28, fifth groove; 29, second clamping block; 30, second spring; 31, second rotating shaft; 32, rope reel; 33, third rotating shaft seat; 34, sixth groove; 35, second connecting disk. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] The present invention will be further described below with reference to the embodiments.

[0024] Example: Refer to Figures 1 to 5 A measuring ruler for construction cost, including a connecting base 1, the connecting base 1 is internally rotatably connected to a first rotating shaft 17, the top of the first rotating shaft 17 is fixedly connected to a rotating base 2, the top of the rotating base 2 is provided with a measuring ruler body 3, the outer side of the connecting base 1 is fixedly connected to three first rotating shaft seats 4, the first rotating shaft seat 4 is internally rotatably connected to a first support rod 11, the first support rod 11 is internally slidably connected to a second support rod 14, an adjustment mechanism is provided on the side where the three first support rods 11 are close to each other, a fixing mechanism is provided on the side where the measuring ruler body 3 and the rotating base 2 are close, and a plurality of first slots 7 are opened on one side of the first support rod 11. By expanding the three first support rods 11 outward, the measuring ruler can be placed on the ground. The triangular structure makes the placement more stable, which greatly improves the convenience of measurement.

[0025] The adjusting mechanism includes a first connecting plate 6 provided on a side where the three first support rods 11 are close to each other, three rope reels 32 are fixedly connected to the outside of the first connecting plate 6, a sixth groove 34 is provided on one side of the first support rod 11, a second rotating shaft seat 13 is fixedly connected to one side of the second support rod 14 and located inside the sixth groove 34, a second telescopic rod 15 is provided inside the second rotating shaft seat 13 and the third rotating shaft seat 33, two ends of the second telescopic rod 15 are rotatably connected to the second rotating shaft seat 13 and the third rotating shaft seat 33 respectively, a second connecting plate 35 is fixedly connected to the bottom of the first connecting plate 6, and three first telescopic rods 12 are fixedly connected to the outside of the second connecting plate 35, and one end of the first telescopic rod 12 is fixed to the second The support rod 14 is fixedly connected, and the bottom of the first connecting disk 6 is fixedly connected to the second connecting disk 35, and the interior of the second connecting disk 35 is rotatably connected to the second rotating shaft 31. The outside of the second rotating shaft 31 and the interior of the second connecting disk 35 are fixedly connected to the rope winding wheel 32, and one end of the second rotating shaft 31 extends to the outside of the first connecting disk 6 and is fixedly connected to the knob 5. By sliding the first connecting disk 6 downward, the second support rod 14 can be driven to slide out from the bottom end of the first support rod 11 through the connection between the first telescopic rod 12 and the second telescopic rod 15. When the first support rod 11 and the second support rod 14 are unfolded, the problem of unstable placement caused by excessive unfolding angle can be avoided through the connection between the first telescopic rod 12 and the second telescopic rod 15.

[0026] A fifth slot 28 is provided on one side of the second support rod 14, and a second spring 30 is provided inside the fifth slot 28. One end of the second spring 30 is fixedly connected to a second clamping block 29, which is engaged with the first slot 7. A connecting rope 27 is fixedly connected to one side of the second clamping block 29 and located inside the second spring 30. One end of the connecting rope 27 passes through the second support rod 14, the first telescopic rod 12, the second connecting disk 35 and is fixedly connected to the rope winding wheel 32. When the knob 5 is rotated, the rope winding wheel 32 can be driven to wind up the connecting rope 27, thereby pulling the second clamping block 29 out of the first slot 7. The second support rod 14 can be slid out from the bottom end of the first support rod 11 and adjusted according to the required height by engaging the second clamping block 29 with several first slots 7, thereby completing the adjustment, which greatly improves the convenience of adjustment.

[0027] The fixing mechanism includes a third groove 20 opened inside the rotating base 2, and a first spring 23 is provided inside the third groove 20. One end of the first spring 23 is fixedly connected to the first clamping block 19. The bottom of the measuring ruler body 3 is fixedly connected to the plug block 16, and the plug block 16 is plugged into the rotating base 2. A second groove 18 is opened on one side of the plug block 16, and the first clamping block 19 is clamped with the second groove 18. A fourth groove 22 is opened on the top of the rotating base 2, and a pull rod 21 is fixedly connected to one side of the first clamping block 19. One end of the pull rod 21 is located inside the fourth groove 22 and is slidably connected thereto. By pulling the pull rod 21, the first clamping block 19 can be driven to leave the inside of the second groove 18, so that the measuring ruler body 3 can be disassembled, which is convenient for transportation and avoids space occupation.

[0028] The bottom end of the second support rod 14 is fixedly connected with a spike 8 so that it can be inserted into the ground to improve stability.

[0029] Both sides of the second support rod 14 are rotatably connected to the connecting blocks 10 near the bottom, and the bottoms of the two connecting blocks 10 are fixedly connected to anti-skid feet 9, so that they can be placed stably on a harder ground to avoid shaking.

[0030] The working principle of the present invention is as follows: by rotating the first support rod 11, it can be unfolded, so that the second telescopic rods 15 and 24 and the first telescopic rod 12 are extended to connect, so that the first support rod 11 and the second support rod 14 form a triangular structure on the ground. When adjusting, by rotating the knob 5, when the knob 5 is rotated, the rope winding wheel 32 can be driven by the second rotating shaft 31 to roll up the connecting rope 27, thereby pulling the second clamping block 29 out of the inside of the first groove 7, and by sliding the first connecting plate 6 downward, the first telescopic rod 12 and the second telescopic rod 14 can be connected. The rod 15 is connected to drive the second support rod 14 to slide out from the bottom end of the first support rod 11. After the first support rod 11 and the second support rod 14 are unfolded and placed on the ground, when encountering a hard ground, the anti-slip foot 9 can be driven to be located under the spike 8 by rotating the connecting block 10 to avoid shaking. When encountering a muddy ground, the spike 8 can be directly inserted into the ground. Through the connection between the first telescopic rod 12 and the second telescopic rod 15, the first clamping block 19 can be driven to leave the inside of the second groove 18 by pulling the pull rod 21, so that the measuring ruler body 3 can be disassembled, thereby facilitating transportation.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A measuring ruler for construction cost, characterized in that: The invention comprises a connecting seat (1), wherein the connecting seat (1) is internally rotatably connected to a first rotating shaft (17), the top of the first rotating shaft (17) is fixedly connected to a rotating seat (2), the top of the rotating seat (2) is provided with a measuring ruler body (3), the outer side of the connecting seat (1) is fixedly connected to three first rotating shaft seats (4), the interior of the first rotating shaft seats (4) is internally rotatably connected to a first support rod (11), the interior of the first support rod (11) is slidably connected to a second support rod (14), an adjustment mechanism is provided on the side where the three first support rods (11) are close to each other, a fixing mechanism is provided on the side where the measuring ruler body (3) and the rotating seat (2) are close to each other, and a plurality of first slots (7) are provided on one side of the first support rod (11).

2. A construction cost measuring ruler according to claim 1, characterized in that: The adjustment mechanism includes a first connecting plate (6) provided on a side where three first support rods (11) are close to each other, three rope reels (32) are fixedly connected to the outside of the first connecting plate (6), a sixth groove (34) is provided on one side of the first support rod (11), a second rotating shaft seat (13) is fixedly connected to one side of the second support rod (14) and located inside the sixth groove (34), a second telescopic rod (15) is provided inside the second rotating shaft seat (13) and the third rotating shaft seat (33), two ends of the second telescopic rod (15) are rotatably connected to the second rotating shaft seat (13) and the third rotating shaft seat (33), the first The bottom of the connecting disk (6) is fixedly connected to a second connecting disk (35), the outer side of the second connecting disk (35) is fixedly connected to three first telescopic rods (12), one end of the first telescopic rod (12) is fixedly connected to the second support rod (14), the bottom of the first connecting disk (6) is fixedly connected to the second connecting disk (35), the interior of the second connecting disk (35) is rotatably connected to a second rotating shaft (31), the outer side of the second rotating shaft (31) and the interior of the second connecting disk (35) are fixedly connected to a rope reel (32), one end of the second rotating shaft (31) extends to the outer side of the first connecting disk (6) and is fixedly connected to a knob (5).

3. A construction cost measuring ruler according to claim 1, characterized in that: A fifth slot (28) is provided on one side of the second support rod (14), a second spring (30) is provided inside the fifth slot (28), one end of the second spring (30) is fixedly connected to a second clamping block (29), the second clamping block (29) is clamped to the first slot (7), a connecting rope (27) is fixedly connected to one side of the second clamping block (29) and inside the second spring (30), one end of the connecting rope (27) passes through the second support rod (14), the first telescopic rod (12), the second connecting plate (35), and is fixedly connected to the rope winding wheel (32).

4. A construction cost measuring ruler according to claim 1, characterized in that: The fixing mechanism includes a third groove (20) provided inside the rotating seat (2), a first spring (23) is provided inside the third groove (20), one end of the first spring (23) is fixedly connected to a first clamping block (19), the bottom of the measuring ruler body (3) is fixedly connected to an inserting block (16), the inserting block (16) is plugged into the rotating seat (2), a second groove (18) is provided on one side of the inserting block (16), the first clamping block (19) is clamped to the second groove (18), a fourth groove (22) is provided on the top of the rotating seat (2), a pull rod (21) is fixedly connected to one side of the first clamping block (19), and one end of the pull rod (21) is located inside the fourth groove (22) and is slidably connected thereto.

5. A construction cost measuring ruler according to claim 1, characterized in that: The bottom end of the second support rod (14) is fixedly connected with a spike (8).

6. A construction cost measuring ruler according to claim 1, characterized in that: Both sides of the second support rod (14) are rotatably connected to connection blocks (10) near the bottom end, and the bottoms of the two connection blocks (10) are fixedly connected to anti-slip feet (9).

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