Angle-adjustable measuring scale

Abstract

The utility model relates to the technical field of measuring rulers, and discloses an angle-adjustable measuring ruler which comprises a fixed ruler, the surface of the fixed ruler is rotatably connected with an adjusting ruler through a rotating shaft, the rear end of the fixed ruler is fixedly connected with a guide arc-shaped plate, and the rear end of the guide arc-shaped plate is slidably connected with the front end of the adjusting ruler through a guide rail. A connecting frame is fixedly connected to the top end of the adjusting ruler, a fixing block is fixedly connected to the bottom end of the connecting frame, traction grooves are formed in the two sides of the interior of the fixing block, traction blocks are slidably connected into the traction grooves, and shifting blocks are fixedly connected to the opposite faces of the traction blocks. According to the angle-adjustable measuring scale, a modularized angle adjusting structure is arranged on the surface of the adjusting scale, so that the adjusting scale cannot move due to external touch or movement after angle adjustment is completed, the accuracy of angle measurement is further ensured, and the measuring effect is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measuring scale, especially to angle adjustable measuring scale. BACKGROUND

[0002] Angle measuring scale is a kind of tool for measuring angle size, it can determine the angle between two intersecting straight lines or two planes by specific scale mark and structure design, the principle of angle measuring scale is based on the geometric concept that the circumferential angle is 360 °, this circumferential angle is subdivided to provide accurate angle measurement reading.

[0003] Chinese patent discloses a kind of movable angle measuring scale (authorized announcement No.CN203479192U), the patent technology carries out angle measurement, two side plates are respectively attached on two structure surfaces, the angle of two structure surfaces can be accurately measured, greatly simplifies the complexity of work, reduces the required operator, and has higher detection accuracy.

[0004] For the above and prior art related technology, the inventor believes that the following defects often exist: the angle measuring scale on the current market generally uses damping mechanism to adjust the measurement angle, however, this method can easily cause slight change of angle during installation of measuring scale, thereby affecting the accuracy of angle measurement. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is that the prior art has the defect that angle is prone to slight change, therefore, an angle adjustable measuring scale is provided.

[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: an angle adjustable measuring scale, comprising a fixed scale, an adjusting scale is rotatably connected to the surface of the fixed scale through a rotating shaft, a guide arc-shaped plate is fixedly connected to the rear end of the fixed scale, the rear end of the guide arc-shaped plate is slidably connected to the front end of the adjusting scale through a guide rail, a connecting frame is fixedly connected to the top end of the adjusting scale, a fixed block is fixedly connected to the bottom end of the connecting frame, traction grooves are formed in both sides of the inside of the fixed block, a traction block is slidably connected in the inside of the traction groove, a driving block is fixedly connected to the opposite surface of the traction block, a limiting rod is fixedly connected to the bottom end of the driving block, a clamping plate is rotatably connected to the front end of the fixed block, a clamping column is fixedly connected to the top end of the driving block, a first limiting groove is formed in the inside of the fixed block, a second limiting groove is formed in the top end of the guide arc-shaped plate, and the inside of the first limiting groove and the second limiting groove is slidably connected with the limiting rod.

[0007] Preferably, grooves are formed in the front end and the rear end of the inside of the traction groove, sliding blocks are fixedly connected to the front end and the rear end of the traction block, and the inside of the groove is slidably connected with the sliding block.

[0008] Preferably, the surface of the limiting rod is slidably connected with a reset spring, the top end of the reset spring is fixedly connected with the bottom end of the poking block, and the bottom end of the reset spring is fixedly connected with the inside of the fixed block.

[0009] Preferably, the surface of the clamping column is sleeved with a friction plate, and the material of the friction plate is rubber.

[0010] Preferably, the rear end of the fixed ruler and the rear end of the adjusting ruler are fixedly connected with three fixed rods, and the tail end of the fixed rod is fixedly connected with a fixed suction disc.

[0011] Preferably, the material of the fixed ruler, the adjusting ruler and the guide arc-shaped plate is transparent material.

[0012] Preferably, the interval between the second limiting grooves is 5°.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] In the utility model, when the user needs to adjust the measuring angle of the adjusting ruler, the clamping plate and the clamping column are disengaged, the limiting rod is disengaged, the poking block is moved to make the limiting rod pulled out of the second limiting groove, the adjusting ruler is disengaged, the adjusting ruler is moved to the required angle, the poking block is moved downward to make the limiting rod inserted into the second limiting groove, the clamping plate is clamped on the clamping column, the poking block and the adjusting ruler are simultaneously limited, and the stable adjustment during angle adjustment is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a measuring ruler main body structure schematic view of the utility model;

[0016] Figure 2 It is an angle fixing structure schematic view of the utility model;

[0017] Figure 3 It is an angle fixing structure section view schematic view of the utility model;

[0018] Figure 4 It is a guide arc-shaped plate structure section view schematic view of the utility model;

[0019] Figure 5 It is a ruler body suction disc fixing structure schematic view of the utility model.

[0020] Figure legend: 1, fixed ruler; 2, adjusting ruler; 3, guide arc plate; 4, connecting frame; 5, fixed block; 6, traction groove; 7, traction block; 8, push block; 9, limiting rod; 10, clamping plate; 11, clamping column; 12, first limiting groove; 13, second limiting groove; 14, sliding groove; 15, sliding block; 16, return spring; 17, friction plate; 18, fixed rod; 19, fixed suction cup. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with the preferred embodiments and the drawings, and these drawings are all simplified schematic diagrams, which only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0022] Reference Figure 1 - Figure 4 As shown in the figure, the utility model provides a technical scheme: an angle-adjustable measuring ruler, including fixed ruler 1, the surface of fixed ruler 1 is rotatably connected with adjusting ruler 2 through pivot, the rear end of fixed ruler 1 is fixedly connected with guide arc plate 3, the rear end of guide arc plate 3 is slidably connected with the front end of adjusting ruler 2 through guide rail, the top end of adjusting ruler 2 is fixedly connected with connecting frame 4, the bottom end of connecting frame 4 is fixedly connected with fixed block 5, the both sides in fixed block 5 are equipped with traction groove 6, traction block 7 is slidably connected in traction groove 6, the opposite surface of traction block 7 is fixedly connected with push block 8, the bottom end of push block 8 is fixedly connected with limiting rod 9, the front end of fixed block 5 is rotatably connected with clamping plate 10, the top end of push block 8 is fixedly connected with clamping column 11, the inside of fixed block 5 is equipped with first limiting groove 12, the top end of guide arc plate 3 is equipped with second limiting groove 13, the inside of first limiting groove 12 and second limiting groove 13 is slidably connected with limiting rod 9, when the user needs to adjust the measuring angle of adjusting ruler 2, the clamping of clamping plate 10 and clamping column 11 is released, limiting rod 9 is released, then push block 8 is moved to make limiting rod 9 pull out from second limiting groove 13, adjusting ruler 2 is released, then adjusting ruler 2 is moved to the angle needed, push block 8 is moved downwards to make limiting rod 9 insert into second limiting groove 13, then clamping plate 10 is clamped on clamping column 11, push block 8 and adjusting ruler 2 are simultaneously limited, thereby achieving stable adjustment when angle is adjusted, through the surface of adjusting ruler 2 is equipped with modular angle adjustment structure, after the angle adjustment of adjusting ruler 2 is completed, it will not move due to external touch or movement, thereby ensuring the accuracy when angle is measured, effectively improving the measuring effect.

[0023] Reference Figure 3As shown in the drawings, in the embodiment: the front end and the rear end of the traction groove 6 are provided with a sliding groove 14, the front end and the rear end of the traction block 7 are fixedly connected with a sliding block 15, the inside of the sliding groove 14 is in sliding connection with the sliding block 15, through the setting of the sliding groove 14 and the sliding block 15, the stable guiding effect can be formed when the poking block 8 moves in the fixed block 5, and then the limit rod 9 does not deviate when moving, so that the limit rod 9 can be stably inserted into the second limiting groove 13 and limit the adjusting ruler 2, thereby improving the stability of the adjusting ruler 2 when fixed.

[0024] Referring to Figure 3 As shown in the drawings, in the embodiment: the surface of the limit rod 9 is in sliding connection with a return spring 16, the top end of the return spring 16 is fixedly connected with the bottom end of the poking block 8, and the bottom end of the return spring 16 is fixedly connected with the inside of the fixed block 5, through the setting of the return spring 16, when the adjusting ruler 2 needs to be adjusted in angle, the poking block 8 is released from the limit, at this time the elastic force stored in the return spring 16 drives the limit rod 9 to pop out from the second limiting groove 13, and then the adjusting ruler 2 is released from the limit, effectively improving the efficiency when the adjusting ruler 2 is released from the limit.

[0025] Referring to Figure 2 As shown in the drawings, in the embodiment: the surface of the clamping column 11 is sleeved with a friction plate 17, the material of the friction plate 17 is rubber, through the setting of the friction plate 17, when the clamping plate 10 is clamped on the clamping column 11, it has greater friction, and then the adjusting ruler 2 does not shake and fall off during the fixing process, effectively improving the fixing stability of the adjusting ruler 2.

[0026] Referring to Figure 5 As shown in the drawings, in the embodiment: the rear end of the adjusting ruler 2 and the rear end of the fixed ruler 1 are fixedly connected with a fixed rod 18, the number of the fixed rod 18 is three, and the distal end of the fixed rod 18 is fixedly connected with a fixed suction disc 19, through the setting of the fixed suction disc 19, when the device needs to be used, it can be fixed on an object or a wall surface, which can provide a long-term reliable measurement position, it does not affect the continuity of measurement because it is moved or lost, and it can always measure at the same reference position, ensuring the accuracy and comparability of data.

[0027] Referring to Figure 1 As shown in the drawings, in the embodiment: the material of the fixed ruler 1, the adjusting ruler 2 and the guide arc-shaped plate 3 is transparent, the transparent material can make the user clearly see the outline of the measured object and the fitting condition of the angle measuring ruler and the object when the fixed ruler 1, the adjusting ruler 2 and the guide arc-shaped plate 3 are used.

[0028] Referring to Figure 4As shown, in the present embodiment: the interval between the second limiting grooves 13 is 5°, and the 5-degree scale interval achieves a good balance between precision and practicality, and such precision is already sufficient for use in many general angle measurement scenarios, such as geometry teaching in schools, simple handcrafting, or rough angle estimation in construction, and thus has good applicability.

[0029] Working principle: when the user needs to adjust the measurement angle of the adjusting ruler 2, the clamping plate 10 is uncoupled from the clamping column 11, the limiting rod 9 is uncoupled, at this time the knob 8 is moved to make the limiting rod 9 pulled out of the second limiting groove 13, the adjusting ruler 2 is uncoupled, at this time the adjusting ruler 2 is moved to the desired angle, the knob 8 is moved downward to make the limiting rod 9 inserted into the second limiting groove 13, and the clamping plate 10 is coupled to the clamping column 11, so that the knob 8 and the adjusting ruler 2 are simultaneously limited, thereby achieving stable adjustment during angle adjustment; through the setting of the modular angle adjustment structure on the surface of the adjusting ruler 2, the adjusting ruler 2 will not move after the completion of angle adjustment due to external touch or movement, thereby ensuring the accuracy of angle measurement, effectively improving the measurement effect, through the setting of the sliding groove 14 and the sliding block 15, the knob 8 can form a stable guiding effect when moving inside the fixed block 5, thereby ensuring that the limiting rod 9 can be stably inserted into the second limiting groove 13 and limit the adjusting ruler 2, thereby improving the stability of the adjusting ruler 2 during fixation, through the setting of the reset spring 16, when the adjusting ruler 2 needs to be adjusted in angle, the knob 8 is uncoupled, at this time the elastic force stored by the reset spring 16 drives the limiting rod 9 to pop out of the second limiting groove 13, thereby uncoupling the adjusting ruler 2, effectively improving the efficiency of uncoupling the adjusting ruler 2, through the setting of the friction plate 17, the clamping plate 10 can have greater friction when coupled to the clamping column 11, thereby preventing the adjusting ruler 2 from shaking and falling off during fixation, effectively improving the fixation stability of the adjusting ruler 2, through the setting of the fixed suction cup 19, when the device needs to be used, it can be fixed on an object or a wall surface, which can provide a long-term reliable measurement position, and it will not affect the continuity of measurement because it is moved or lost, and it can always measure at the same reference position, ensuring the accuracy and comparability of the data, the transparent material enables the user to clearly see the outline of the measured object and the fitting condition of the angle measurement ruler and the object during use of the fixed ruler 1, the adjusting ruler 2 and the guide arc-shaped plate 3, the 5-degree scale interval achieves a good balance between precision and practicality, and such precision is already sufficient for use in many general angle measurement scenarios, such as geometry teaching in schools, simple handcrafting, or rough angle estimation in construction, and thus has good applicability.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An angle adjustable measuring scale comprising a fixed scale (1), characterized in that: The surface of the fixed ruler (1) is rotationally connected with an adjusting ruler (2) through a rotating shaft, the rear end of the fixed ruler (1) is fixedly connected with a guide arc-shaped plate (3), the rear end of the guide arc-shaped plate (3) is slidably connected with the front end of the adjusting ruler (2) through a guide rail, the top end of the adjusting ruler (2) is fixedly connected with a connecting frame (4), the bottom end of the connecting frame (4) is fixedly connected with a fixed block (5), traction grooves (6) are formed in the both sides of the fixed block (5), traction blocks (7) are slidably connected in the traction grooves (6), the opposite surfaces of the traction blocks (7) are fixedly connected with poking blocks (8), the bottom end of the poking blocks (8) is fixedly connected with limiting rods (9), the front end of the fixed block (5) is rotationally connected with clamping plates (10), the top end of the poking blocks (8) is fixedly connected with clamping columns (11), a first limiting groove (12) is formed in the fixed block (5), and a second limiting groove (13) is formed in the top end of the guide arc-shaped plate (3); the first limiting groove (12) and the second limiting groove (13) are slidably connected with the limiting rods (9).

2. An angularly adjustable measuring scale according to claim 1, characterized in that: Sliding grooves (14) are formed in the front end and the rear end of the traction groove (6), sliding blocks (15) are fixedly connected with the front end and the rear end of the traction block (7), and the sliding groove (14) is slidably connected with the sliding block (15).

3. The angularly adjustable measuring scale of claim 1, wherein: The surface of the limiting rod (9) is slidably connected with a return spring (16), the top end of the return spring (16) is fixedly connected with the bottom end of the poking block (8), and the bottom end of the return spring (16) is fixedly connected with the inside of the fixed block (5).

4. The angularly adjustable measuring scale of claim 1 wherein: The surface of the clamping column (11) is sleeved with a friction plate (17), and the material of the friction plate (17) is rubber.

5. The angularly adjustable measuring scale of claim 1 wherein: The rear end of the adjusting ruler (2) and the rear end of the fixed ruler (1) are fixedly connected with fixed rods (18), the number of the fixed rods (18) is three, and the terminal end of the fixed rod (18) is fixedly connected with a fixed suction disc (19).

6. The angularly adjustable measuring scale of claim 1, wherein: The materials of the fixed ruler (1), the adjusting ruler (2) and the guide arc-shaped plate (3) are transparent materials.

7. The angularly adjustable measuring scale of claim 1 wherein: The distance between the second limiting grooves (13) is 5°.

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