A high-precision distance measuring device

Abstract

The utility model discloses a high-precision distance measuring device, belonging to the technical field of measuring tools. The technical scheme thereof includes a ruler, a fixed sleeve bolted on the outer side of the ruler, a movable sleeve slidably connected on the outer side of the ruler, connecting plates bolted on the bottoms of the movable sleeve and the fixed sleeve, a turntable bolted on the bottom of the connecting plate, a measuring component arranged at the bottom of the turntable, and the distance between the two measuring components can be conveniently adjusted by arranging the ruler to cooperate with the fixed sleeve and the movable sleeve. When measuring the hole distance, the push rods at the front and rear sides can be pressed respectively by the index finger and the thumb to drive the slider connected thereto to be relatively close along the connecting frame, at which time the first tension spring is stretched and stored, and then the two measuring columns at the bottoms of the fixed sleeve and the movable sleeve can be respectively inserted into the two holes whose hole distances need to be measured, at which time the first tension spring rebounds, and the measuring columns are stretched open in the holes due to the movement of the slider.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tools, in particular to a high-precision distance measuring device. Background Art

[0002] When machining, a variety of measuring tools are used, among which the vernier caliper is a measuring tool for measuring length, inner and outer diameters, and depth. The vernier caliper consists of a main scale and a sliding vernier attached to the main scale. From the back, the vernier is a whole, and the depth gauge is connected to the vernier scale, which can measure the depth of the groove and the barrel.

[0003] When measuring workpieces, tools such as vernier rulers are mostly used. However, the vernier rulers in the prior art can only measure the distance between two adjacent holes when measuring the hole distance between multiple holes. It is also necessary to measure and calculate the hole distance, etc., which is not only troublesome, but also prone to errors and inconvenient to use. Utility Model Content

[0004] The utility model provides a high-precision distance measuring device, which aims to solve the problem that when a vernier ruler measures the hole distance between a plurality of holes, it can only measure the distance on one side of two holes that are close to each other, and it is also necessary to measure and calculate the hole distance and the like, which is not only troublesome, but also prone to errors and inconvenient to use.

[0005] The utility model is implemented as follows: a high-precision distance measuring device comprises a ruler, a fixed sleeve is bolted to the outside of the ruler, a movable sleeve is slidably connected to the outside of the ruler, a connecting piece is bolted to the bottom of the movable sleeve and the fixed sleeve, a rotating disk is bolted to the bottom of the connecting piece, and a measuring component is arranged at the bottom of the rotating disk;

[0006] The measuring assembly includes a connecting frame, a slider is movably connected to the inner side of the connecting frame, a measuring column is arranged at the bottom of the slider, a first tension spring is bolted to the outer side of the measuring column, a side of the first tension spring away from the slider is bolted to the connecting frame, a push rod is slidably connected to the inner side of the connecting frame, and the push rod is bolted to the slider.

[0007] In order to facilitate normal length detection of the workpiece to be detected, as a preferred high-precision distance measuring device of the utility model, the tops of the fixed sleeve and the movable sleeve are both bolted with calipers.

[0008] In order to achieve the effect of fixing the position of the movable sleeve, as a preferred high-precision distance measuring device of the utility model, the inner side of the movable sleeve is threadedly connected with a fastening screw, and the top of the fastening screw is bolted with a rotating handle.

[0009] In order to facilitate the observation of the scale lines, as a preferred high-precision distance measuring device of the utility model, the surface of the ruler is provided with scale lines, the surface of the movable sleeve is provided with observation grooves, and the inner side of the observation grooves is used in conjunction with the scale lines.

[0010] In order to facilitate the detection of depth, as a preferred high-precision distance measuring device of the utility model, a slide groove is provided on the side of the scale surface away from the scale line, and a depth gauge is slidably connected to the inner side of the slide groove.

[0011] In order to facilitate the effect of limiting the movable position of the movable sleeve, as a preferred high-precision distance measuring device of the utility model, a limiting block is bolted to the side of the ruler away from the fixed sleeve, and the limiting block is used in conjunction with the movable sleeve.

[0012] In order to facilitate the connection between the measuring column and the slider, as a preferred high-precision distance measuring device of the utility model, the inner side of the measuring column is slidably connected with a connecting column, the top of the inner wall of the connecting column is bolted with a second tension spring, and the bottom of the second tension spring is bolted to the bottom of the inner wall of the measuring column.

[0013] In order to facilitate the pushing of the push rod, as a preferred high-precision distance measuring device of the utility model, a push block is bolted to the outer side of the push rod, and a rubber sleeve is arranged on the outer side of the push block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The high-precision distance measuring device can adjust the distance between the two measuring components by setting a ruler to cooperate with the fixed sleeve and the movable sleeve. When measuring the hole distance, the front and rear push rods can be pressed by the index finger and thumb respectively to drive the slider connected thereto to be relatively close along the connecting frame. At this time, the first tension spring is stretched and charged, and then the two measuring columns at the bottom of the fixed sleeve and the movable sleeve can be respectively inserted into the two holes whose hole distances need to be measured. At this time, the first tension spring rebounds, and the measuring columns are stretched in the holes due to the movement of the slider. Therefore, the center positions of the two turntables are both located at the center position of the measured hole. At this time, the hole distance between the centers of the two holes can be obtained by measuring the distance between the movable sleeve and the fixed sleeve, thereby making the measurement more convenient and more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the high-precision distance measuring device of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the measuring component of the utility model;

[0018] Figure 3 This is a schematic diagram of the connecting column structure of the utility model;

[0019] Figure 4 It is a rear view of the main structure of the utility model;

[0020] Figure 5 For this utility model Figure 1 A partial enlarged view of point A in the middle.

[0021] In the figure, 1, ruler; 2, fixed sleeve; 3, movable sleeve; 4, connecting piece; 5, turntable; 6, measuring assembly; 601, connecting frame; 602, sliding block; 603, measuring column; 604, first tension spring; 605, push rod; 7, caliper; 8, fastening screw; 9, observation slot; 10, slide slot; 11, depth gauge; 12, limit block; 13, connecting column; 14, second tension spring; 15, push block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-5 The utility model provides a technical solution: a high-precision distance measuring device, comprising a ruler 1, a fixed sleeve 2 is bolted to the outside of the ruler 1, a movable sleeve 3 is slidably connected to the outside of the ruler 1, a connecting piece 4 is bolted to the bottom of the movable sleeve 3 and the fixed sleeve 2, a rotating disk 5 is bolted to the bottom of the connecting piece 4, and a measuring component 6 is arranged at the bottom of the rotating disk 5;

[0025] The measuring assembly 6 includes a connecting frame 601, the inner side of which is movably connected to a slider 602, a measuring column 603 is provided at the bottom of the slider 602, the outer side of the measuring column 603 is bolted to a first tension spring 604, the side of the first tension spring 604 away from the slider 602 is bolted to the connecting frame 601, the inner side of the connecting frame 601 is slidably connected to a push rod 605, and the push rod 605 is bolted to the slider 602.

[0026] In this embodiment: by setting the ruler 1 to cooperate with the fixed sleeve 2 and the movable sleeve 3, the distance between the two measuring components 6 can be easily adjusted. When measuring the hole distance, the front and rear push rods 605 can be pressed by the index finger and thumb respectively to drive the slider 602 connected thereto to be relatively close along the connecting frame 601. At this time, the first tension spring 604 is stretched and charged, and then the two measuring columns 603 at the bottom of the fixed sleeve 2 and the movable sleeve 3 can be respectively inserted into the two holes whose hole distances need to be measured. At this time, the first tension spring 604 rebounds, and the measuring column 603 is stretched in the hole due to the movement of the slider 602. Therefore, the center positions of the two turntables 5 are both located at the center position of the measured hole. At this time, the hole distance between the centers of the two holes can be obtained by measuring the distance between the movable sleeve 3 and the fixed sleeve 2, thereby making the measurement more convenient and more accurate.

[0027] As a technical optimization solution of the present utility model, calipers 7 are bolted to the tops of the fixed sleeve 2 and the movable sleeve 3 .

[0028] In this embodiment, by providing the caliper 7, the scale 1 and the movable sleeve 3 can cooperate with the fixed sleeve 2 to achieve the measurement effect of a normal vernier caliper.

[0029] As a technical optimization solution of the utility model, the inner side of the movable sleeve 3 is threadedly connected with a fastening screw 8, and the top of the fastening screw 8 is bolted with a rotating handle.

[0030] In this embodiment, by providing the fastening screw 8 , when the movable sleeve 3 needs to be fixed in position, the fastening screw 8 can be conveniently rotated by the selection handle to fasten it to the outside of the ruler 1 to fix the movable sleeve 3 .

[0031] As a technical optimization solution of the utility model, the surface of the ruler 1 is provided with scale lines, and the surface of the movable sleeve 3 is provided with an observation groove 9, and the inner side of the observation groove 9 is used in conjunction with the scale lines.

[0032] In this embodiment, scale lines are provided to measure the displacement distance of the structure moving on the surface of the ruler 1 , and the observation slots 9 provided in combination with the scale lines can facilitate observation of the position of the movable sleeve 3 outside the ruler.

[0033] As a technical optimization solution of the utility model, a slide groove 10 is provided on the side of the surface of the ruler 1 away from the scale line, and a depth gauge 11 is slidably connected to the inner side of the slide groove 10 .

[0034] In this embodiment, by providing the slide groove 10 , it is convenient to connect the depth gauge 11 and the scale 1 , and the depth can be measured by the depth gauge 11 .

[0035] As a technical optimization solution of the utility model, a limit block 12 is bolted to the side of the ruler 1 away from the fixed sleeve 2 , and the limit block 12 is used in conjunction with the movable sleeve 3 .

[0036] In this embodiment, by providing the limiting block 13, the movement of the movable sleeve 3 can be limited to avoid loosening between the structures.

[0037] As a technical optimization solution of the utility model, the inner side of the measuring column 603 is slidably connected with a connecting column 13 , the top of the inner wall of the connecting column 13 is bolted with a second tension spring 14 , and the bottom of the second tension spring 14 is bolted to the bottom of the inner wall of the measuring column 603 .

[0038] In this embodiment: by setting up the connecting column 13, it is convenient to connect the measuring column 603 and the slider 602, and when the depths of the inspected holes are different, the measuring column 603 can have a certain displacement along the connecting column 13. At the same time, after the measurement is completed, the structure can be reset by the rebound of the second tension spring 14.

[0039] As a technical optimization solution of the utility model, a push block 15 is bolted to the outer side of the push rod 605 , and a rubber sleeve is arranged on the outer side of the push block 15 .

[0040] In this embodiment, by providing the push block 15 , it is convenient for a person to push the push rod 605 , and the rubber sleeve can prevent the person's hands from slipping when pushing the push rod 605 .

[0041] Working principle: First, when measuring the hole distance, use the index finger and thumb to press the push rods 605 on the front and rear sides respectively to drive the slider 602 connected thereto to move relatively close along the connecting frame 601. At this time, the first tension spring 604 is stretched to store force, and then the two measuring columns 603 at the bottom of the fixed sleeve 2 and the movable sleeve 3 can be respectively inserted into the two holes whose hole distance needs to be measured. At this time, the first tension spring 604 rebounds, and the measuring column 603 is stretched in the hole due to the movement of the slider 602. Therefore, the center positions of the two turntables 5 are both located at the center position of the measured hole. At this time, the scale lines in the observation slot 9 are read to know the hole distance between the centers of the two holes.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision distance measuring device, comprising a ruler (1), characterized in that: A fixed sleeve (2) is bolted to the outside of the ruler (1), a movable sleeve (3) is slidably connected to the outside of the ruler (1), a connecting piece (4) is bolted to the bottom of both the movable sleeve (3) and the fixed sleeve (2), a rotating disk (5) is bolted to the bottom of the connecting piece (4), and a measuring component (6) is provided at the bottom of the rotating disk (5); The measuring assembly (6) comprises a connecting frame (601), the inner side of which is movably connected to a slider (602), a measuring column (603) is arranged at the bottom of the slider (602), a first tension spring (604) is bolted to the outer side of the measuring column (603), a side of the first tension spring (604) away from the slider (602) is bolted to the connecting frame (601), a push rod (605) is slidably connected to the inner side of the connecting frame (601), and the push rod (605) is bolted to the slider (602).

2. A high-precision distance measuring device according to claim 1, characterized in that: The tops of the fixed sleeve (2) and the movable sleeve (3) are both bolted with calipers (7).

3. A high-precision distance measuring device according to claim 1, characterized in that: The inner side of the movable sleeve (3) is threadedly connected to a fastening screw (8), and the top of the fastening screw (8) is bolted to a rotating handle.

4. A high-precision distance measuring device according to claim 1, characterized in that: The surface of the ruler (1) is provided with graduation lines, and the surface of the movable sleeve (3) is provided with an observation groove (9), the inner side of the observation groove (9) being used in conjunction with the graduation lines.

5. A high-precision distance measuring device according to claim 4, characterized in that: A sliding groove (10) is provided on a side of the surface of the ruler (1) away from the scale line, and a depth gauge (11) is slidably connected to the inner side of the sliding groove (10).

6. A high-precision distance measuring device according to claim 1, characterized in that: A limit block (12) is bolted to a side of the ruler (1) away from the fixed sleeve (2), and the limit block (12) is used in conjunction with the movable sleeve (3).

7. A high-precision distance measuring device according to claim 1, characterized in that: The inner side of the measuring column (603) is slidably connected to a connecting column (13), the top of the inner wall of the connecting column (13) is bolted to a second tension spring (14), and the bottom of the second tension spring (14) is bolted to the bottom of the inner wall of the measuring column (603).

8. A high-precision distance measuring device according to claim 1, characterized in that: A push block (15) is bolted to the outside of the push rod (605), and a rubber sleeve is provided on the outside of the push block (15).

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