Improved gear measuring instrument

Abstract

The utility model provides an improved gear measuring instrument, which comprises a base, the rear side of the upper part of the base is fixedly connected with an inverted U-shaped bracket, and the outer wall of the horizontal section of the inverted U-shaped bracket is provided with a homocentric-squares-shaped sliding block in a sliding manner; an opening in the middle of the upper part of the homocentric-square-shaped sliding block is in threaded connection with a first hand-screwing bolt, the lower end of the first hand-screwing bolt abuts against the upper part of the inverted-U-shaped support, and the device is characterized in that the lower part of the homocentric-square-shaped sliding block is fixedly connected with a measuring head switching assembly. According to the utility model, the fixed shaft, the rotating sleeve, the Z-shaped bracket, the mounting sleeve, the measuring head main body, the second hand-screwing bolt and the third hand-screwing bolt are arranged, so that the effect of conveniently switching a standby measuring head is realized, and the problem that a measuring instrument cannot be normally used when the measuring head is maintained can be effectively avoided; and the problem that the measurement efficiency of the gear is influenced can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear measurement, and in particular relates to an improved gear measuring instrument. Background Art

[0002] A gear measuring instrument is a device that can measure gears, such as a new gear measuring instrument with announcement number CN212274863U, which includes a laser measuring body, a connecting seat is provided on the laser measuring body, a probe is provided on the connecting seat, a straight rod is slidably connected to the inner side of the connecting seat, a sliding groove is provided on the connecting seat, and a spring is fixedly connected to the inner wall of the sliding groove. There are still some problems with the measuring instrument in actual use, such as: when the probe is disassembled for maintenance, the measuring instrument cannot be used normally, which greatly affects the measurement efficiency of the gears and is inconvenient to use. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides an improved gear measuring instrument, which can achieve the effect of facilitating the switching of spare probes, effectively avoiding the problem that the measuring instrument cannot be used normally when the probe is being repaired, and further avoiding the problem that the measurement efficiency of the gear is affected.

[0004] The technical solution is as follows: an improved gear measuring instrument, comprising a base, an inverted U-shaped bracket fixedly connected to the upper rear side of the base, and a U-shaped slider slidably arranged on the outer wall of the horizontal section of the inverted U-shaped bracket; a first hand-tightened bolt is threadedly connected to the opening in the upper middle part of the U-shaped slider, and the lower end of the first hand-tightened bolt is tightly pressed against the upper part of the inverted U-shaped bracket, and is characterized in that a probe switching assembly is fixedly connected to the lower part of the U-shaped slider.

[0005] Preferably, the probe switching assembly includes a fixed shaft, a rotating sleeve is connected to the bearing on the lower side of the outer wall of the fixed shaft, and the front and rear sides of the rotating sleeve are respectively integrated with Z-shaped brackets, wherein the outer sides of the lower horizontal sections of the Z-shaped brackets are respectively longitudinally integrated with mounting sleeves; the insides of the mounting sleeves are respectively plugged with probe bodies; the middle and outer openings of the mounting sleeves are respectively threadedly connected with second hand-tightening bolts, and the mounting sleeves are respectively fastened to the probe body by the second hand-tightening bolts; the lower openings of the upper horizontal section of the Z-shaped bracket are respectively threadedly connected with third hand-tightening bolts.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the arrangement of the fixed shaft, the rotating sleeve, the Z-shaped bracket, the mounting sleeve, the probe body, the second hand-tightening bolt and the third hand-tightening bolt is conducive to achieving the effect of facilitating the switching of the spare probe, and can effectively avoid the problem that the measuring instrument cannot be used normally when the probe is repaired, thereby avoiding the problem that the measurement efficiency of the gear is affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model.

[0009] Figure 2 It is a structural schematic diagram of the probe switching assembly of the utility model.

[0010] In the figure:

[0011] 1. Base; 2. Inverted U-shaped bracket; 3. U-shaped slider; 4. First hand tightening bolt; 5. Probe switching assembly; 51. Fixed axis; 52. Rotating sleeve; 53. Z-shaped bracket; 54. Mounting sleeve; 55. Probe body; 56. Second hand tightening bolt; 57. Third hand tightening bolt. DETAILED DESCRIPTION

[0012] The utility model is described in detail below in conjunction with the accompanying drawings. As shown in Figure 1, an improved gear measuring instrument includes a base 1, an inverted U-shaped bracket 2 is fixedly connected to the upper rear side of the base 1, and a U-shaped slider 3 is slidably provided on the outer wall of the horizontal section of the inverted U-shaped bracket 2; a first hand-tightening bolt 4 is threadedly connected to the opening in the middle part of the upper part of the U-shaped slider 3, and the lower end of the first hand-tightening bolt 4 is tightly pressed against the upper part of the inverted U-shaped bracket 2.

[0013] One of the improved gear measuring instruments also includes a probe switching assembly 5, and the probe switching assembly 5 is fixedly connected to the lower part of the U-shaped slider 3, which is conducive to achieving the effect of facilitating the switching of spare probes, and can effectively avoid the problem that the measuring instrument cannot be used normally when the probe is being repaired, thereby avoiding the problem that the measurement efficiency of the gear is affected.

[0014] In this embodiment, combined with the Figure 2 As shown, the probe switching assembly 5 includes a fixed shaft 51, a rotating sleeve 52 is connected to the bearing on the lower side of the outer wall of the fixed shaft 51, and the front and rear sides of the rotating sleeve 52 are respectively integrated with Z-shaped brackets 53, wherein the outer sides of the lower horizontal sections of the Z-shaped bracket 53 are respectively longitudinally integrated with mounting sleeves 54; the insides of the mounting sleeves 54 are respectively plugged with probe bodies 55; the middle and outer openings of the mounting sleeves 54 are respectively threadedly connected with second hand-tightening bolts 56, and the mounting sleeves 54 are respectively fastened and connected to the probe body 55 by the second hand-tightening bolts 56; the lower openings of the upper horizontal sections of the Z-shaped bracket 53 are respectively threadedly connected with third hand-tightening bolts 57.

[0015] In this embodiment, specifically, the upper end of the fixed shaft 51 is fixedly connected to the lower middle part of the U-shaped slider 3 .

[0016] In this embodiment, specifically, a positioning hole is opened on the inner front lower side of the U-shaped slider 3, and the positioning hole is arranged to be opposite to the third hand-tightening bolt 57 on the front side, wherein the upper end of the third hand-tightening bolt 57 on the front side is tightly pressed against the inner upper part of the positioning hole.

[0017] In this embodiment, specifically, the fixed shaft 51 is a stainless steel shaft with a circular cross section.

[0018] In this embodiment, specifically, the rotating sleeve 52 is a stainless steel sleeve that matches the outer wall of the fixed shaft 51 .

[0019] In this embodiment, specifically, the Z-shaped bracket 53 is a Z-shaped stainless steel frame.

[0020] In this embodiment, specifically, the installation sleeve 54 is a stainless steel sleeve that matches the outer wall of the probe body 55 .

[0021] In this embodiment, specifically, the probe body 55 is electrically connected to an external laser measuring machine. When the probe body 55 on the front side is used as a measuring probe, the probe body 55 on the rear side can be used as a spare probe.

[0022] When using the measuring instrument, when the front probe body 55 is used as a measuring probe, the rear probe body 55 can be used as a spare probe. If the front probe body 55 is damaged, the operator can first loosen the second hand-tightening bolt 56 corresponding thereto, and then pull out the front probe body 55 from the inside of the mounting sleeve 54 for maintenance. Before maintenance, the operator can rotate the third hand-tightening bolt 57 on the front to move the third hand-tightening bolt 57 out of the inside of the positioning hole, and then rotate the rotating sleeve 52 180°. At this time, the spare probe body 55 is moved to the front side of the inverted U-shaped bracket 2. Finally, the operator can rotate the third hand-tightening bolt 57 corresponding to the spare probe body 55 to make it enter the positioning hole and press against the inner upper part of the positioning hole, thereby completing the switching of the spare probe, achieving the effect of facilitating the switching of the spare probe, and effectively avoiding the problem that the measuring instrument cannot be used normally when the probe is repaired, thereby avoiding the problem that the gear measurement efficiency is affected.

[0023] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An improved gear measuring instrument, characterized in that: The improved gear measuring instrument comprises a base (1), an inverted U-shaped bracket (2) is fixedly connected to the upper rear side of the base (1), and a U-shaped slider (3) is slidably arranged on the outer wall of the horizontal section of the inverted U-shaped bracket (2); a first hand-tightening bolt (4) is threadedly connected to the opening of the upper middle part of the U-shaped slider (3), and the lower end of the first hand-tightening bolt (4) is tightly pressed against the upper part of the inverted U-shaped bracket (2), and is characterized in that a probe switching assembly (5) is fixedly connected to the lower part of the U-shaped slider (3).

2. The improved gear measuring instrument as claimed in claim 1, characterized in that: The probe switching assembly (5) comprises a fixed shaft (51), a rotating sleeve (52) is connected to a bearing on the lower side of the outer wall of the fixed shaft (51), and the front and rear sides of the rotating sleeve (52) are respectively integrally connected to Z-shaped brackets (53), wherein the outer side of the lower horizontal section of the Z-shaped bracket (53) is respectively longitudinally integrally connected to a mounting sleeve (54); the inside of the mounting sleeve (54) is plugged with a probe body (55); the middle and outer openings of the mounting sleeve (54) are respectively threadedly connected to second hand-tightening bolts (56), and the mounting sleeve (54) is respectively fastened to the probe body (55) via the second hand-tightening bolts (56); and the lower opening of the upper horizontal section of the Z-shaped bracket (53) is respectively threadedly connected to a third hand-tightening bolt (57).

3. The improved gear measuring instrument as claimed in claim 2, characterized in that: The upper end of the fixed shaft (51) is fixedly connected to the lower middle part of the U-shaped sliding block (3).

4. The improved gear measuring instrument as claimed in claim 2, characterized in that: A positioning hole is provided on the front lower side of the inner part of the U-shaped sliding block (3), and the positioning hole is arranged to be opposite to the third hand-tightening bolt (57) on the front side, wherein the upper end of the third hand-tightening bolt (57) on the front side is tightly pressed against the inner upper part of the positioning hole.

5. The improved gear measuring instrument as claimed in claim 2, characterized in that: The fixed shaft (51) is a stainless steel shaft with a circular cross section.

6. The improved gear measuring instrument as claimed in claim 2, characterized in that: The rotating sleeve (52) is a stainless steel sleeve that matches the outer wall of the fixed shaft (51).

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