CN220250927U

CN220250927U - Device for rapidly measuring angle

Info

Publication number: CN220250927U
Application number: CN202321465528.7U
Authority: CN
Inventors: 李进; 原凯瑞; 耿新放
Original assignee: MCC Tiangong Group Tianjin Corp Ltd
Current assignee: MCC Tiangong Group Tianjin Corp Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-26
Anticipated expiration: 2033-06-09

Abstract

The utility model provides a device for rapidly measuring an angle, which comprises a protractor, a limiting plate and a stabilizing rod, wherein the stabilizing rod is arranged on the limiting plate in a sliding manner, and a triangular stabilizing structure is formed by the stabilizing rod and the limiting plate and is fixed by a locking piece; the protractor is detachably connected with the limiting plates and is used for measuring the included angle between the limiting plates. According to the utility model, the stability of the triangular structure is utilized, the included angle between the limiting plates is controlled to be stable and unchanged in the translation process, the accuracy of a measurement result is ensured, the rechecking procedure is reduced, the measurement time is saved, the one-time measurement accuracy is high, the construction efficiency can be improved, and the engineering quality is ensured; the device has the advantages of easily obtained raw materials, convenient processing and use, meets different use requirements, has wider application range, and is suitable for mass production and popularization.

Description

Device for rapidly measuring angle

Technical Field

The utility model relates to the technical field of measurement and detection, in particular to a device for rapidly measuring an angle.

Background

In the fields of civil engineering, mechanical installation and the like, in order to ensure that the building quality or the mechanical installation quality reaches the standard, angle measurement is often required, the angle measurement tool commonly used at present is generally an angle gauge, for some irregularly shaped structures, sometimes auxiliary measurement is required to be carried out on two sides of a supporting angle of a limiting piece (such as a long plate or a long rod) with regular shape, but when the angle value is read, the limiting piece is required to be separated from the measured structure and transferred to the angle gauge, the angle between the limiting pieces is read by the angle gauge, the stability of the angle between the limiting pieces is difficult to ensure in the process of transferring the limiting pieces, the deviation of the measurement result is caused, repeated checking is required, the time is wasted, the construction efficiency is reduced, and if the construction quality is possibly reduced due to missed checking of the measurement structure deviation.

Disclosure of Invention

The utility model aims to provide a device for rapidly measuring angles, which is used for solving the problems in the background.

The technical scheme adopted by the utility model is as follows: the device for rapidly measuring the angle comprises a protractor and a limiting plate, wherein a stabilizing rod is arranged on the limiting plate in a sliding manner, and the stabilizing rod and the limiting plate form a triangular stabilizing structure and are fixed by a locking piece; the protractor is detachably connected with the limiting plates and is used for measuring the included angle between the limiting plates.

Further, the limiting plate is provided with two limiting plates, and one end parts of the limiting plates are rotationally connected through a rotating shaft; the rotating shaft is of a hollow structure, and is collinear with the center of the protractor and is in pin joint.

Further, the protractor comprises an outer ring plate and an inner ring piece which are concentric, the outer ring plate and the inner ring piece are connected through stiffening ribs, angle scales are arranged on the outer ring plate, the inner ring piece is connected with the rotating shaft through a pin rod, and the pin rod is magnetically connected with the inner ring piece.

Further, a magnet is arranged at the bottom of the inner wall of the inner ring, one end of the pin rod, which is far away from the magnet, is provided with an expanded diameter part, and the cross section size of the expanded diameter part is larger than the inner diameter of the rotating shaft.

Further, the angle scale comprises a first scale ring and a second scale ring which are concentric, wherein the first scale ring is a 0-360 degree scale ring, and the second scale ring is a bidirectional 0-180 degree scale ring.

Further, an observation window and a pointer are arranged on the limiting plate, the observation window can show the angle scales, the pointer is arranged on two opposite sides of the observation window and points to the scale marks on the first scale ring and the second scale ring respectively.

Further, be equipped with rotatable stopper on the limiting plate, the side of stopper is equipped with first through-hole, and the top is equipped with the second through-hole, firm pole slip wears to locate in the first through-hole, the retaining member runs through behind the second through-hole support tightly firm pole.

Further, the side wall of the second through hole is provided with threads, and the end part of the locking piece extending into the second through hole is matched with the threads of the locking piece.

Further, length scales are arranged on the limiting plate along the length direction.

The utility model has the beneficial effects that:

(1) By utilizing the stability of the triangle structure, in the translation process, the included angle between the limiting plates is controlled to be stable and unchanged, the accuracy of a measuring result is ensured, the rechecking procedure is reduced, the measuring time is saved, the one-time measuring accuracy is high, the construction efficiency can be improved, and the engineering quality is ensured.

(2) The device has the advantages of easily obtained raw materials, convenient processing and use, meets different use requirements, has wider application range, and is suitable for mass production and popularization.

Drawings

FIG. 1 is an overall block diagram of an embodiment of the present utility model;

FIG. 2 is a block diagram of a protractor in an embodiment of the present utility model;

FIG. 3 is a diagram of the connection of the protractor to the limiting plate in an embodiment of the present utility model;

FIG. 4 is a block diagram of a limiting plate and a rotating shaft in an embodiment of the present utility model;

FIG. 5 is a diagram showing the connection structure of the limiting plate and the stabilizing rod in the embodiment of the present utility model;

FIG. 6 is a cross-sectional view of the retaining member coupled to the stop block in accordance with an embodiment of the present utility model.

In the figure:

10. an angle gauge; 11. an outer ring plate; 12. an inner ring member; 13. stiffening ribs; 14. a first scale ring; 15. a second scale ring;

20. a limiting plate; 21. a shaft mounting hole; 22. an observation window;

30. a stabilizing rod;

40. a locking member;

50. a rotating shaft;

60. a pointer;

70. a pin rod; 71. an expanded diameter portion;

80. a magnet;

90. a limiting block; 91. a fixing part; 92. a rotating part; 93. a first through hole; 94. and a second through hole.

Detailed Description

The following describes the technical scheme of the embodiment of the present utility model in detail through the attached drawings.

In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1, an apparatus for rapidly measuring an angle, comprising: the protractor 10, the limiting plate 20 and the stabilizing rod 30. The limiting plates 20 are provided with two limiting plates 20, one ends of the two limiting plates 20 are rotationally connected, and two ends of the stabilizing rod 30 are respectively and slidably connected with the two limiting plates 20 to form a triangular stabilizing structure and are fixed by the locking piece 40. The protractor 10 is detachably connected with the limiting plates 20 and is used for measuring the included angle between the two limiting plates 20. When the device is used for angle measurement, the position of the two limiting plates 20 is adjusted by rotation, correspondingly, the stabilizing rod 30 slides on the limiting plates 20 until the two limiting plates 20 respectively prop against two sides of a measured angle, the stabilizing rod 30 is locked by the locking piece 40, then the two limiting plates 20 can not continue to rotate, then the limiting plates 20 are translated along the direction parallel to the plate surfaces of the limiting plates 20 according to the shape and the state of a measured structure, the angle gauge 10 can measure the included angle of the limiting plates, or the limiting plates 20 are translated along the direction perpendicular to the plate surfaces of the limiting plates 20 until the limiting plates 20 are separated from the measured structure, and the included angle between the limiting plates 20 is measured by using the angle gauge 10.

By adopting the technical scheme, the stability of the triangular structure is utilized, the included angle between the control limiting plates 20 is stable and unchanged in the translation process, the accuracy of the measurement result is ensured, the rechecking process is reduced, the measurement time is saved, the one-time measurement accuracy is high, the construction efficiency can be improved, and the engineering quality is ensured.

Referring to fig. 2 to 4, for convenience of operation and accurate measurement, the limiting plate 20 is a regular rectangular plate, and rotating shaft mounting holes 21 corresponding in position and same in size are formed at the ends of the two rectangular plates, and the rotating shaft 50 is mounted in the rotating shaft mounting holes 21, so that the limiting plate 20 can rotate around the axis of the rotating shaft 50. To ensure accurate readings, the two edges of the angle should be coincident with the two graduation marks on the protractor 10, respectively, and considering that the spindle 50 has a certain radial dimension, the center of the spindle 50 should be made collinear with the center of the protractor 10, and a line extending along the length direction of the two limiting plates 20 and intersecting the center line of the spindle 50 is found on the two limiting plates 20, which is referred to herein as an angle reference line, according to which the two angle reference lines are read on the protractor 10. So in order to ensure that the center of the rotating shaft 50 is collinear with the center of the protractor 10 and is stably connected, so that the reading of a measuring person is accurate, the rotating shaft 50 is configured into a hollow structure and is connected with the center of the protractor 10 in a pin joint manner; in addition, an observation window 22 is further provided on the limiting plate 20, and a pointer 60 is further provided, wherein the observation window 22 is used for displaying an angle scale, the center line of the pointer 60 is coincident with the angle datum line, and the pointer is used for indicating a scale line on the protractor 10, which is coincident with the angle datum line.

In the specific implementation, the most simple method can be adopted for manufacturing, on the top surface of the rectangular plate, the central connecting line of the two short sides is taken as a reference, the installation hole 21 of the rotating shaft 50, the observation window 22 and the pointer 60 are arranged, and only the intersection of the central line of the installation hole 21 of the rotating shaft 50 and the central connecting line of the short sides and the coincidence of the central line of the pointer 60 and the central connecting line of the short sides are ensured.

The protractor 10 is configured as an outer ring plate 11 and an inner ring member 12 which are concentrically arranged, and are connected through stiffening ribs 13, angle scales are arranged on the outer ring plate 11, the inner ring member 12 is used for connecting the limiting plate 20, and when the protractor is implemented, the pin rod 70 is inserted into the inner ring member 12 and the rotating shaft 50, and for convenience in assembly and disassembly, the magnet 80 can be arranged at the bottom of the inner wall of the inner ring member 12, and the pin rod 70 is made of a material which can be attracted by the magnet 80.

To improve the connection stability, an enlarged diameter portion 71 is provided at one end of the pin 70 remote from the magnet 80, and the cross-sectional dimension of the enlarged diameter portion 71 is larger than the inner diameter of the rotating shaft 50; to improve the accuracy of the readings, the length of the pin 70 and the thickness of the magnet 80 should be set according to the thickness of the protractor 10 and the limiting plate 20, so as to ensure that the bottom surface of the limiting plate 20 is tightly attached to the top surface of the protractor 10.

The protractor 10 can be configured by adopting the structural scheme, so that the weight can be reduced, and the protractor is convenient to carry; the number of the stiffening ribs 13 is not particularly limited, but three or more stiffening ribs 13 can provide the protractor 10 with high structural stability, and care should be taken to uniformly arrange the stiffening ribs 13 along the circumferential direction of the inner ring member 12 so that each stiffening rib 13 is uniformly stressed.

The angle scales on the outer ring plate 11 are configured into a first scale ring 14 and a second scale ring 15 which are concentric, the first scale ring 14 is a 0-360 degree scale ring, the second scale ring 15 is a bidirectional 0-180 degree scale ring, two pointers 60 are respectively arranged on two opposite sides of the observation window 22, and the two pointers 60 respectively point to scale marks on the first scale ring 14 and scale marks on the second scale ring 15 so as to meet different measurement requirements.

Referring to fig. 5-6, a rotatable limiting block 90 is provided on the limiting plate 20, and specifically includes a fixing portion 91 and a rotating portion 92, the top of the fixing portion 91 is spherical, the bottom is cylindrical, the cylindrical portion and the spherical portion are connected through a reducing portion, the cylindrical portion penetrates through the limiting plate 20, the reducing portion can enable the fixing portion 91 to be clamped on the limiting plate 20, a groove adapted to the spherical portion is provided at the bottom of the rotating portion 92, the rotating portion 92 is rotatably sleeved on the spherical portion, the axis of rotation of the rotating portion 92 is perpendicular to the top surface of the limiting plate 20, a first through hole 93 is provided at the side surface of the rotating portion 92, a second through hole 94 is provided at the top, the stabilizing rod 30 is slidably penetrated in the first through hole 93, and the locking member 40 abuts against the stabilizing rod 30 after penetrating through the second through hole 94. The rotatable limiting block 90 is provided to adjust the length of the stabilizing rod 30 between the limiting plates 20 and adjust the included angle between the stabilizing rod 30 and the limiting plates 20 when the limiting plates 20 rotate, so that the three can always form a triangular stable structure.

The locking member 40 is connected with the second through hole 94 by adopting a threaded fastening manner so as to be capable of propping against the stabilizing rod 30, and in the implementation process, threads are arranged on the side wall of the second through hole 94, and threads matched with the threads are arranged on the end part of the locking member 40 extending into the second through hole 94.

In this embodiment, the limiting plate 20 may be provided with length scales along its length direction, so as to meet the length test requirements in some special cases.

The device can not only realize the requirement of the angle measurement, but also be used as a drawing tool, namely, the limiting plate 20 is connected with the protractor 10 firstly, then the limiting plate 20 is rotated to have a specified included angle, the position of the limiting plate 20 is fixed by utilizing the locking piece 40 and the stabilizing rod 30, and finally, the limiting plate 20 is detached from the protractor 10, and the angle drawing is carried out by using the limiting plate 20.

The utility model has the advantages of easily obtained raw materials, convenient processing and use, meets different use requirements, has wider application range and is suitable for mass production and popularization and use.

The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.

Claims

1. The device for rapidly measuring the angle comprises a protractor and a limiting plate, and is characterized in that a stabilizing rod is slidably arranged on the limiting plate, and the stabilizing rod and the limiting plate form a triangular stabilizing structure and are fixed by a locking piece; the protractor is detachably connected with the limiting plates and is used for measuring the included angle between the limiting plates.

2. The device for rapidly measuring the angle according to claim 1, wherein the limiting plate is provided with two limiting plates, and one end parts of the limiting plates are rotatably connected through a rotating shaft; the rotating shaft is of a hollow structure, and is collinear with the center of the protractor and is in pin joint.

3. The device for rapidly measuring angles according to claim 2, wherein the protractor comprises an outer ring plate and an inner ring member which are concentric, wherein the outer ring plate is provided with angle scales, the inner ring member is connected with the rotating shaft through a pin rod, and the pin rod is magnetically connected with the inner ring member.

4. A device for rapidly measuring an angle according to claim 3, wherein the bottom of the inner wall of the inner ring member is provided with a magnet, one end of the pin rod away from the magnet is provided with an expanded diameter portion, and the cross-sectional dimension of the expanded diameter portion is larger than the inner diameter of the rotating shaft.

5. A device for rapid angular measurement according to claim 3 or 4, wherein the angular scale comprises concentric first and second scale rings, the first scale ring being a 0 ° -360 ° scale ring and the second scale ring being a bi-directional 0 ° -180 ° scale ring.

6. The device for rapidly measuring angles according to claim 5, wherein the limiting plate is provided with an observation window and a pointer, the observation window can show the angle scale, the pointer is arranged on two opposite sides of the observation window and points to the scale mark on the first scale and the scale mark on the second scale respectively.

7. The device for rapidly measuring angles according to any one of claims 1-4 and 6, wherein a rotatable limiting block is arranged on the limiting plate, a first through hole is arranged on the side face of the limiting block, a second through hole is arranged on the top of the limiting block, the stabilizing rod is slidably arranged in the first through hole in a penetrating mode, and the locking piece abuts against the stabilizing rod after penetrating through the second through hole.

8. The device for rapid angular measurement according to claim 7, wherein the side wall of the second through hole is provided with threads, and the end of the locking member extending into the second through hole is adapted to the threads thereof.

9. The device for rapidly measuring an angle according to claim 8, wherein the limiting plate is provided with length scales along a length direction.