Auxiliary measuring device based on circle center

Abstract

An auxiliary measuring device based on the circle center comprises a positioning support, a limiting support, a positioning sliding block and a pointing support. According to the utility model, the sliding clamping structures of the positioning bracket and the limiting bracket are utilized to fix the shapes of standard parts with different sizes, and the limiting rod on the pointing bracket is matched with the positioning sliding block to determine the center of an inscribed circle of a triangle formed by the positioning bracket and the limiting bracket so as to find the center of a circle of an object. The problem that an existing measurement mode is difficult to accurately measure a narrow area which cannot be measured in parallel and has no reference is solved.

Description

Technical Field

[0001] The utility model relates to the field of circle center positioning, in particular to an auxiliary measurement device based on the circle center. Background Art

[0002] When the product has been assembled, the margin measurement of the standard part is usually done by visually finding the center of the circle with a steel ruler for rough measurement. Generally, a vernier ruler is used as the main structure, with a conical head structure at one end. Putting it into the hole can determine the center of various hole diameters. If the other end is equipped with a slider, the hole margin measurement can be achieved. If it is equipped with a conical head, the hole spacing can be achieved. However, for narrow areas, areas with rounded corners that cannot be measured in parallel, and areas without accurate right-angled sides as references, the center and margin will be more difficult to determine and measure. Therefore, it is necessary to make an auxiliary measuring device to accurately determine the center position, extend the center reference, and improve the accuracy of the measurement data. Utility Model Content

[0003] The utility model aims to provide an auxiliary measuring device based on the center of a circle, which solves the problem that the existing measuring method is difficult to accurately measure a narrow area that cannot be measured in parallel and has no reference.

[0004] The embodiments of the present invention are implemented by the following technical solutions:

[0005] An auxiliary measurement device based on the center of a circle, comprising:

[0006] The positioning bracket comprises a positioning bar, a positioning slot, a positioning member, a first column and a positioning transverse plate; the first column is vertically arranged on the positioning bar; the positioning slot is arranged on the positioning bar; the positioning member is slidably arranged on the positioning slot; the positioning transverse plate is horizontally arranged on the top of the first column and is perpendicular to the positioning bar; the positioning transverse plate is provided with a positioning through slot;

[0007] The limiting bracket comprises a limiting base, a limiting slide groove and a limiting column; the limiting base is formed by the intersection of two identical slide bars; the limiting slide groove is arranged on the slide bar; the positioning member is slidably arranged in the limiting slide groove; the limiting column is vertically arranged at the intersection of the two slide bars, and the other end of the limiting column is slidably arranged in the positioning through groove;

[0008] A positioning slider is slidably disposed in the positioning slot and is provided with a limiting through hole;

[0009] The directional bracket includes a second column, a limiting rod, and a sliding member; the limiting rod is connected to the top of the second column and is slidably arranged in the limiting through hole; the sliding member is arranged at the bottom of the second column; the sliding member is slidably arranged in the limiting sliding groove; the limiting rod is located on the bisector of the angle between the sliding bar and the positioning bar.

[0010] There are two positioning bars, which are horizontally arranged on both sides of the first column respectively.

[0011] The positioning groove is a spherical groove; the positioning member is a ball.

[0012] The angle between the two slide bars is 60°.

[0013] A slot is provided in the middle of the slide bar; and the limiting slide groove is provided on the groove surface of the slot along the direction of the slide bar.

[0014] The sliding member comprises a mounting plate and a limiting sliding block; the mounting plate is horizontally arranged at the bottom of the second column; the limiting sliding block is arranged on the mounting plate and is slidably arranged in the limiting sliding groove.

[0015] The positioning horizontal plate is also provided with a scale.

[0016] The positioning slide block is also provided with a pointer; the pointer is perpendicular to the positioning horizontal plate.

[0017] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0018] The utility model discloses an auxiliary measuring device based on the center of a circle, which utilizes the sliding clamping structure of a positioning bracket and a limiting bracket to realize the fixation of the outer shape of standard parts of different sizes, and utilizes the cooperation between the limiting rod on the pointing bracket and the positioning slider, so that the positioning slider is located at the center of the inscribed circle of the triangle formed by the positioning bracket and the limiting bracket, thereby obtaining the center of the circle of the measured standard part, thereby solving the problem that the existing measurement method is difficult to accurately measure a narrow area that cannot be measured in parallel and has no reference. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 is a structural schematic diagram of a positioning bracket;

[0021] Figure 3 It is a structural schematic diagram of the limiting bracket;

[0022] Figure 4 It is a schematic diagram of the structure of the pointing bracket;

[0023] Figure 5 It is a structural schematic diagram of a positioning slider.

[0024] In the figure, 101-positioning bar, 102-positioning slide, 103-first column, 104-positioning horizontal plate, 105-positioning through groove, 106-scale, 107-ball, 201-limiting base, 202-limiting slide, 203-limiting column, 301-second column, 302-limiting rod, 303-mounting plate, 304-limiting slider, 401-chassis, 402-positioning column, 403-top plate, 404-limiting through hole, 405-pointer. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] like Figure 1-5 As shown, an auxiliary measuring device based on the center of a circle includes a positioning bracket, a limiting bracket, a positioning slider and a pointing bracket; the limiting bracket is slidably arranged on the positioning bracket; the positioning slider is slidably arranged on the top of the positioning bracket; the pointing bracket is arranged at a side angle between the positioning bracket and the limiting bracket, and is connected with the positioning slider.

[0028] like Figure 1 and 2 As shown, the positioning bracket includes two positioning bars 101, a positioning slot 102, four balls 107, a first column 103 and a positioning cross plate 104; the first column 103 is vertically arranged; the two positioning bars 101 are in the same straight line and are respectively arranged on both sides of the first column 103; the positioning slot 102 is a spherical slot and is arranged on the top and bottom surfaces of the positioning bar 101; the four balls 107 are respectively rolled in the four positioning slots 102 on both sides of the first column 103; the positioning cross plate 104 is horizontally arranged on the top of the first column 103 and is perpendicular to the positioning bar 101; the positioning cross plate 104 is provided with a positioning through groove 105 and is perpendicular to the positioning bar 101;

[0029] Specifically, a scale 106 is further provided on the positioning horizontal plate 104 .

[0030] like Figure 1 and 3 As shown, the limiting bracket includes a limiting base 201, a limiting slide groove 202 and a limiting column 203; the limiting base 201 is composed of two identical slide bars intersecting with an angle of 60°; a slot is provided in the middle of the slide bar; the limiting slide groove 202 is provided on the groove surfaces on the upper and lower sides of the slot along the direction of the slide bar; the limiting column 203 has a long strip cross section and is vertically provided at the intersection of the two slide bars, and the other end thereof is slidably provided in the positioning slot 105;

[0031] Specifically, the positioning bar 101 is slidably disposed in the slot in the middle of the slide bar; the four balls 107 are respectively rolled in the limiting slide grooves 202 on the two slide bars.

[0032] like Figure 1 and 4 As shown, the pointing bracket includes a second column 301, a limiting rod 302, a mounting plate 303 and a limiting slider 304; one end of the limiting rod 302 is horizontally connected to one side of the top of the second column 301; the mounting plate 303 is horizontally arranged at the bottom of the second column 301 and is slidably arranged at the slot in the middle of the slide bar; the limiting slider 304 is a rectangular block, which is arranged on the mounting plate 303 and is slidably arranged in the limiting slide groove 202;

[0033] Specifically, the limiting rod 302 is located on the bisector of the angle between the sliding bar and the positioning bar 101 .

[0034] like Figure 1 and 5 As shown, the positioning slider includes a bottom plate 401, a positioning column 402, a top plate 403 and a limiting through hole 404; the positioning column 402 is slidably arranged in the positioning through groove 105; the bottom plate 401 is arranged at the bottom of the positioning column 402, and the top plate 403 is arranged at the top of the positioning column 402, which is used to limit the positioning slider from sliding in the positioning through groove 105; the side of the top plate 403 is provided with a limiting through hole 404;

[0035] Specifically, a pointer 405 is also provided on the side of the top plate 403; the pointer 405 is perpendicular to the long edge of the positioning horizontal plate 104 and is located next to the scale 106 thereon;

[0036] More specifically, the limiting rod 302 is slidably disposed in the limiting through hole 404 .

[0037] The working principle of this embodiment is:

[0038] The utility model is an auxiliary measuring device based on the center of a circle. When in use, firstly, the two side slide bars on the limiting base 201 are fitted with the measured standard part, and then the positioning bracket is moved along the direction of the positioning slot 105, so that the positioning bar 101 on the positioning bracket is fitted with the measured standard part, and then the pointing bracket is moved to the angle between the positioning bar 101 and the slide bar, so that the limiting rod 302 on the pointing bracket is at the angular bisector of the angle between the positioning bar 101 and the slide bar, so that the positioning slider is at the inscribed center of the triangle formed by the positioning bar 101 and the slide bar, and is also above the center of the measured standard part; then the scale 106 on the positioning horizontal plate 104 and the pointer 405 on the side of the top plate 403 are used to determine the distance from the center of the measured standard part to the surrounding structure, and other tools can also be used for other measurements.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An auxiliary measurement device based on the center of a circle, characterized in that: include: The positioning bracket comprises a positioning bar, a positioning slot, a positioning member, a first column and a positioning transverse plate; the first column is vertically arranged on the positioning bar; the positioning slot is arranged on the positioning bar; the positioning member is slidably arranged on the positioning slot; the positioning transverse plate is horizontally arranged on the top of the first column and is perpendicular to the positioning bar; the positioning transverse plate is provided with a positioning through slot; The limiting bracket comprises a limiting base, a limiting slide groove and a limiting column; the limiting base is formed by the intersection of two identical slide bars; the limiting slide groove is arranged on the slide bar; the positioning member is slidably arranged in the limiting slide groove; the limiting column is vertically arranged at the intersection of the two slide bars, and the other end of the limiting column is slidably arranged in the positioning through groove; A positioning slider is slidably disposed in the positioning slot and is provided with a limiting through hole; The directional bracket includes a second column, a limiting rod, and a sliding member; the limiting rod is connected to the top of the second column and is slidably arranged in the limiting through hole; the sliding member is arranged at the bottom of the second column; the sliding member is slidably arranged in the limiting sliding groove; the limiting rod is located on the bisector of the angle between the sliding bar and the positioning bar.

2. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: There are two positioning bars, which are horizontally arranged on both sides of the first column respectively.

3. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: The positioning groove is a spherical groove; the positioning member is a ball.

4. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: The angle between the two slide bars is 60°.

5. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: A slot is provided in the middle of the slide bar; and the limiting slide slot is provided on the slot surface of the slot along the direction of the slide bar.

6. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: The sliding member comprises a mounting plate and a limiting sliding block; the mounting plate is horizontally arranged at the bottom of the second column; the limiting sliding block is arranged on the mounting plate and is slidably arranged in the limiting sliding groove.

7. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: The positioning horizontal plate is also provided with a scale.

8. The auxiliary measurement device based on the center of a circle according to claim 1, characterized in that: The positioning slide block is also provided with a pointer; the pointer is perpendicular to the positioning horizontal plate.

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