CN219360712U

CN219360712U - Protractor with detachable handle

Info

Publication number: CN219360712U
Application number: CN202222785908.0U
Authority: CN
Inventors: 吴国强
Original assignee: Zhejiang Jinsihou Stationery Co ltd
Current assignee: Zhejiang Jinsihou Stationery Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-07-18
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a protractor with a detachable handle, wherein a bottom edge and a middle shaft are arranged in the protractor, a bottom edge handle fixing position is arranged at the bottom edge position, a middle shaft is arranged in the protractor, a middle shaft handle fixing position is arranged at the middle shaft position, a rotary pointer is movably connected with the protractor, the detachable handle can be arranged at the bottom edge handle fixing position, and the detachable handle can be arranged at the middle shaft handle fixing position. The utility model solves the problem that the indication angle of the pointer has dead angles by arranging the fixed positions of the middle shaft handle and the fixed positions of the bottom edge handle and providing the fixed positions of a plurality of detachable handles.

Description

Protractor with detachable handle

Technical Field

The utility model relates to a teaching ruler, in particular to an angle gauge with a detachable handle.

Background

The teaching ruler is a common teaching tool and is also the most common teaching tool, and the teaching ruler can be used for any type of courses; especially on the course of the type of the department of the science of the technology, need to accomplish drawing of figure and measurement of angle with the help of teaching chi utensil such as set square, ruler, compasses and protractor, the teacher often need to do action such as marking off protractor with teaching chi utensil according to the demand on the teaching, but most do not have the handle on the present teaching chi utensil, a small number of products that have the handle are mostly fixed design, but teaching chi utensil often is many sets, the chi utensil that is provided with fixed handle has can't stack in order and accomodate the defect that is unfavorable for keeping the clean and tidy orderly environment in classroom, the handle of the protractor of current area handle mostly sets up in the central point of protractor, the pointer on the protractor that adopts this kind of design scheme can't fully rotate, there is the problem at dead angle in the instruction angle of pointer.

Disclosure of Invention

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an angle gauge equipped with a detachable handle, comprising: the angle gauge comprises an angle gauge body, a detachable handle and a rotary pointer, wherein a bottom edge and a middle shaft are arranged in the angle gauge body, a bottom edge handle fixing position is arranged at the bottom edge position, a middle shaft is arranged in the angle gauge body, a middle shaft handle fixing position is arranged at the middle shaft position, the rotary pointer is movably connected with the angle gauge body, the detachable handle can be arranged at the bottom edge handle fixing position, the detachable handle can be arranged at the middle shaft handle fixing position, a bottom edge, an arc and a middle shaft are arranged in the angle gauge body, the arc is provided with a 0-degree end point notch and a 180-degree end point notch, the distance between the 0-degree end point notch and the bottom edge is the same as the distance between the 180-degree end point notch and the bottom edge, a pointer fixing hole is arranged in the angle gauge body, and the pointer fixing hole is arranged at the middle position of a connecting line between the 0-degree end point notch and the 180-degree end point notch.

The detachable handle comprises a handle frame, a buckle, a limiting fixing buckle and a fixing buckle handle, a bottom panel of the handle frame is a handle frame bottom plate, a bottom plate of an upper end frame body of the handle frame is a limiting baffle, left and right inner side walls of the handle frame are provided with reinforcing ribs, the reinforcing ribs are connected with the left and right inner side walls of the handle frame, the limiting baffle and the handle frame bottom plate, the limiting fixing buckle is arranged at the center position of the lower end surface of the handle frame bottom plate, the fixing buckle is arranged at the center position of the upper end surface of the handle frame bottom plate, the buckle comprises a clamping plate and a connecting column, the upper end surface of the connecting column is connected with the lower end surface of the handle frame bottom plate, the lower end surface of the connecting column is connected with the upper end surface of the clamping plate, the buckle is arranged at the left and right sides of the lower end surface of the handle frame bottom plate, the bottom edge fixing position comprises a slot and a limiting fixing hole, the slot comprises a large through hole and a small through hole, the large through hole penetrates through the upper end surface of the protractor, the lower end surface of the small through hole is provided with a sinking table, and the bottom edge fixing position structure is identical to the bottom edge fixing position structure of the middle shaft handle.

Further set up, the slot can cooperate with the eye-splice, the distance of fixed knot handle top surface from limit baffle bottom surface is greater than spacing fixed knot height, spacing fixed knot height is less than spacing fixed hole degree of depth.

The utility model solves the problem that the indication angle of the pointer has dead angles by arranging the fixed positions of the middle shaft handle and the fixed positions of the bottom edge handle and providing the fixed positions of a plurality of detachable handles.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a perspective view of the detachable handle of the present utility model;

in the figure:

detachable handle 1, handle frame 11, handle frame bottom plate 12, limit baffle 13, eye-splice 14, clamping plate 141, connecting column 142, limit fixing buckle 143, fixing buckle handle 15, reinforcing rib 16,

The protractor 2, a bottom edge 21, an arc 22, a 0 degree end point gap 221, a 180 degree end point gap 222, a center shaft 23, a center shaft handle fixing position 231, a pointer fixing hole 24,

Bottom side handle fixing position 3, slot 31, large through hole 311, small through hole 312, sinking platform 3121, limit fixing position 32,

The rotary pointer 4, the rotary shaft 41, and the pointer 42.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3: an angle gauge equipped with a detachable handle, comprising: the angle gauge comprises an angle gauge 2, a detachable handle 1 and a rotary pointer 4.

The protractor is characterized in that a bottom edge 21 and a middle shaft 23 are arranged in the protractor 2, a bottom edge handle fixing position 3 is arranged at the bottom edge 21, the middle shaft 23 is arranged in the protractor 2, and a middle shaft handle fixing position 231 is arranged at the middle shaft 23.

The detachable handle 1 comprises a handle frame 11, a buckle 14, a limiting fixing buckle 143 and a fixing buckle handle 15, a bottom plate of the handle frame 11 is a handle frame bottom plate 12, a bottom plate of an upper end frame body of the handle frame 11 is a limiting baffle 13, left and right inner side walls of the handle frame 11 are provided with reinforcing ribs 16, the reinforcing ribs 16 are connected with the left and right inner side walls of the handle frame 11, the limiting baffle 13 and the handle frame bottom plate 12, the limiting fixing buckle 143 is arranged at the center position of the lower end surface of the handle frame bottom plate 12, the fixing buckle handle 15 is arranged at the center position of the upper end surface of the handle frame bottom plate 12, the buckle 14 comprises a clamping plate 141 and a connecting column 142, the upper end surface of the connecting column 142 is connected with the lower end surface of the handle frame bottom plate 12, and the lower end surface of the connecting column 142 is connected with the upper end surface of the clamping plate 141, and the buckle 14 is arranged at the left and right sides of the lower end surface of the handle frame bottom plate 12.

The bottom edge handle fixing position 3 comprises a slot 31 and a limiting fixing hole 32, the slot 31 comprises a large through hole 311 and a small through hole 312, the large through hole 311 penetrates through the upper end face and the lower end face of the protractor 2, a sinking platform 3121 is arranged on the lower end face of the small through hole 312, and the bottom edge handle fixing position 3 has the same structure as the middle shaft handle fixing position 231.

The slot 31 can be matched with the eye-splice 14, the distance between the top surface of the fixed-splice handle 15 and the bottom surface of the limit baffle 13 is greater than the height of the limit fixed-splice 143, and the height of the limit fixed-splice 143 is less than the depth of the limit fixed hole 32.

The detachable handle 1 may be disposed at the bottom handle fixing position 3, and the detachable handle 1 may be disposed at the bottom handle fixing position 231.

After passing through the large through hole 311, the user pushes the handle frame 11 towards the small through hole 312, so that the connecting column 142 is arranged in the small through hole 312, the clamp plate 141 is arranged at the position of the sinking platform 3121, the limiting fixing buckle 143 is arranged in the limiting fixing hole 32, the detachable handle 1 is connected with the protractor, when the user needs to take down the detachable handle 1, the user can lift the fixing buckle handle 15, the limiting fixing buckle 143 leaves the limiting fixing hole 32, and then the handle frame 11 is pushed to drag towards the large through hole 311, so that the clamp plate passes through the large through hole 311, and the detachable handle 1 is taken down from the protractor.

The bottom edge 21, the circular arc 22 and the center axis 23 are arranged in the protractor 2, the circular arc 22 is provided with a 0-degree end point notch 221 and a 180-degree end point notch 222, the distance between the 0-degree end point notch 221 and the bottom edge is the same as that between the 180-degree end point notch 222 and the bottom edge, and the 0-degree end point notch 221 and the 180-degree end point notch 222 are arranged on the circular arc to define the limit of the 180-degree circular arc, so that a semicircle is conveniently drawn.

The protractor 2 is internally provided with a pointer fixing hole 24, the pointer fixing hole 24 is arranged at the middle position of a connecting line of a 0-degree end point notch 221 and a 180-degree end point notch 222, the rotary pointer 4 is movably connected with the protractor 2, the rotary pointer 4 comprises a rotary shaft 41 and a pointer 42, and the rotary shaft 41 is arranged in the pointer fixing hole 24. Can dismantle handle 1 setting in the fixed position of base handle 3 department rotatory pointer 4 can be in the regional nimble rotation of 0 degree extreme point breach 221 to 180 degrees extreme point breach 222, can dismantle handle 1 setting and do not hinder rotatory pointer 4 rotation when the fixed position of base handle 3 positions, make rotatory pointer 4 can instruct 0 degrees to 180 degrees arbitrary angles, make the teaching instruct more clearly, facilitate the use.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An angle gauge equipped with a detachable handle, comprising: protractor (2), its characterized in that: the angle gauge comprises a detachable handle (1) and a rotary pointer (4), wherein a bottom edge (21) and a middle shaft (23) are arranged in the angle gauge (2), a bottom edge handle fixing position (3) is arranged at the position of the bottom edge (21), a middle shaft (23) is arranged in the angle gauge (2), a middle shaft handle fixing position (231) is arranged at the position of the middle shaft (23), the rotary pointer (4) is movably connected with the angle gauge (2), the detachable handle (1) can be arranged at the position of the bottom edge handle fixing position (3), the detachable handle (1) can be arranged at the position of the middle shaft handle fixing position (231), a bottom edge (21), an arc (22) and a middle shaft (23) are arranged in the angle gauge (2), a 0-degree end point gap (221) and a 180-degree end point gap (222) are arranged at the same distance from the bottom edge as that of the 180-degree end point gap (222), a pointer fixing hole (24) is arranged in the angle gauge (2), the pointer fixing hole (24) is arranged at the middle position of the end point gap (221) and the 180-degree end point gap (222), the detachable handle (1) is arranged at the bottom edge handle fixing position (3), and the rotary pointer (4) can flexibly rotate from the 0-degree end point gap (221) to the 180-degree end point gap (222).

2. A protractor provided with a detachable handle according to claim 1, wherein: the detachable handle (1) comprises a handle frame (11), a buckle (14), a limit fixed buckle (143) and a fixed buckle handle (15), a bottom plate of the handle frame (11) is a handle frame bottom plate (12), a bottom plate of an upper end frame body of the handle frame (11) is a limit baffle (13), the left and right inner side walls of the handle frame (11) are provided with reinforcing ribs (16), the reinforcing ribs (16) are connected with the left and right inner side walls of the handle frame (11), the limit baffle (13) and the handle frame bottom plate (12), the limit fixed buckle (143) is arranged at the center position of the lower end surface of the handle frame bottom plate (12), the fixed buckle handle (15) is arranged at the center position of the upper end surface of the handle frame bottom plate (12), the buckle (14) comprises a clamping plate (141) and a connecting column (142), the upper end surface of the connecting column (142) is connected with the lower end surface of the handle frame bottom plate (12), the buckle (14) is arranged at the lower end surface of the handle frame bottom plate (12), the two sides of the handle frame bottom plate (12) are provided with a large through hole (31), the lower end surface (31) is provided with a large through hole (31), the upper through hole (31) is formed in the lower end surface (31), the lower end face of the small through hole (312) is provided with a sinking platform (3121), and the bottom edge handle fixing position (3) has the same structure as the middle shaft handle fixing position (231).

3. A protractor provided with a detachable handle according to claim 2, wherein: the slot (31) can be matched with the eye-splice (14), the distance between the top surface of the fixed-splice lifting handle (15) and the bottom surface of the limit baffle (13) is greater than the height of the limit fixed-splice (143), and the height of the limit fixed-splice (143) is less than the depth of the limit fixed hole (32).