Hand-held center distance gauge with meter

Abstract

The utility model discloses a hand-held center distance gauge with a meter. The hand-held center distance gauge comprises a base. A main positioning pin is arranged at the bottom of one end of the base, and a second through hole is formed in the other end; an auxiliary positioning pin penetrates through the second through hole, the outer diameter of the auxiliary positioning pin is smaller than the inner diameter of the second through hole, and the top end of the auxiliary positioning pin is connected with a sliding block. The sliding block base is in sliding connection; a digital dial indicator is arranged on the top surface of the base; the measuring end of the digital dial indicator abuts against the sliding block. The gauge is convenient to operate and accurate in detection, realizes rapid detection of the center distance between two holes, is high in detection efficiency, and is suitable for batch detection.

Description

Technical Field

[0001] The utility model relates to the technical field of part detection, in particular to a handheld center distance dial gauge. Background Art

[0002] After a part is processed and formed, it is necessary to detect its various structural features. When detecting the center distance between two structural holes,

[0003] The existing coordinate measuring machine can achieve high-precision detection, but its measurement efficiency is extremely low and it is not suitable for mass detection of the center distance between two holes. Therefore, a handheld center distance dial gauge is designed, which realizes the rapid detection of the center distance between two holes, has accurate detection, convenient operation, high detection efficiency, and is suitable for mass detection. Summary of the Utility Model

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a handheld center distance dial gauge with convenient operation, accurate detection, which realizes the rapid detection of the center distance between two holes, has high detection efficiency, and is suitable for mass detection.

[0005] A handheld center distance dial gauge provided by the utility model includes a base; a vertical main positioning pin is arranged at the bottom of one end of the base, and a second through hole is opened at the other end; a secondary positioning pin passes through the second through hole in the vertical direction, the outer diameter of the secondary positioning pin is smaller than the inner diameter of the second through hole, and the top end of the secondary positioning pin is connected with a slider; the slider is slidably connected with the base along a first direction; the first direction is the direction from the main positioning pin to the secondary positioning pin; a digital display micrometer is fixedly arranged on the top surface of the base outside the first end of the slider, and the first end is any end of the slider in the first direction; the measuring end of the digital display micrometer abuts against the first end.

[0006] Further, the base is in a long strip shape, and a plurality of shaped holes are opened on the base along its length direction.

[0007] Further, a handheld handle is fixedly arranged in the middle of the top surface of the base.

[0008] Further, a first through hole is opened at one end of the base far from the second through hole, a first bushing passes through the first through hole, and a first pin hole is vertically opened at the bottom end of the first bushing; the top end of the main positioning pin is inserted into the first bushing with a clearance fit, a first long hole is opened on the main positioning pin corresponding to the first pin hole, and a first mounting pin is inserted into the first pin hole and the first long hole.

[0009] Further, a positioning sleeve is fixedly arranged on the bottom surface of the base outside the periphery of the second through hole, and the bottom end surface of the positioning sleeve is on the same horizontal plane as the bottom end surface of the first bushing.

[0010] Further, a second bushing is fixedly connected to the bottom surface of the slider, and a second pin hole is vertically formed at the bottom end of the second bushing; the top end of the secondary positioning pin is inserted into the second bushing with a clearance fit, a second long hole is formed in the secondary positioning pin corresponding to the second pin hole, a second mounting pin is inserted into the second pin hole and the second long hole, and the outer diameter of the second bushing is smaller than the inner diameter of the second through hole.

[0011] Further, a slide base is fixedly arranged on the top surface of the base above the second through hole, the slider is slidably connected to the slide base through a crossed roller guide rail, and the slide base is provided with an avoidance hole corresponding to the second through hole.

[0012] Further, a dial gauge base is fixedly arranged on the top surface of the base, and the digital display micrometer is installed on the dial gauge base through a dial gauge holder.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The gauge of the present utility model is provided with a main positioning pin, a secondary positioning pin, a slider and a digital display micrometer; when detecting the center distance between two holes, the main positioning pin is inserted into the structural hole a, and the secondary positioning pin is inserted into the structural hole b. As the secondary positioning pin is inserted, the slider slides accordingly. The digital display micrometer shows the distance that the slider moves, and then the deviation between the measured center distance and the standard center distance is obtained, completing the detection. The gauge of the present application is convenient to operate and accurate in detection, realizes the rapid detection of the center distance between two holes, has high detection efficiency, and is suitable for batch detection.

[0015] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the present utility model, nor to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:

[0017] Figure 1 is a three-dimensional structural schematic diagram of the gauge;

[0018] Figure 2 is a front view structural schematic diagram of the gauge;

[0019] Figure 3 is a sectional structural schematic diagram of the gauge;

[0020] Figure 4 is a structural schematic diagram of the first bushing;

[0021] Figure 5 It is a schematic structural diagram of the second bushing;

[0022] Figure 6 It is a schematic structural diagram of the crossed roller guide.

[0023] Reference numerals in the figure: 1, base; 2, main positioning pin; 3, secondary positioning pin; 4, slider; 5, digital display micrometer; 6, first bushing; 7, positioning sleeve; 8, second bushing; 9, sliding seat; 10, first direction;

[0024] 11, first through hole; 12, second through hole; 13, shaped hole; 14, hand-held handle.

[0025] 21, first long hole;

[0026] 31, second long hole;

[0027] 41, crossed roller guide;

[0028] 51, meter base; 52, meter clamping sleeve;

[0029] 61, first pin hole;

[0030] 81, second pin hole;

[0031] 91, avoidance hole. Specific embodiments

[0032] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than limiting the utility model. Additionally, it should be noted that for the sake of description, only the parts related to the utility model are shown in the drawings.

[0033] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

[0034] Please refer to Figures 1 to 6 , an embodiment of the present utility model provides a hand-held center distance dial gauge, including a base 1; a vertical main positioning pin 2 is provided at the bottom of one end of the base 1, and a second through hole 12 is opened at the other end; a secondary positioning pin 3 passes through the second through hole 12 in the vertical direction, the outer diameter of the secondary positioning pin 3 is smaller than the inner diameter of the second through hole 12, and the top end of the secondary positioning pin 3 is connected to a slider 4; the slider 4 is slidably connected to the base 1 along a first direction 10; the first direction 10 is the direction from the main positioning pin 2 to the secondary positioning pin 3; a digital display micrometer 5 is fixedly provided on the top surface of the base 1 outside the first end of the slider 4, and the first end is any end of the slider 4 in the first direction; the measuring end of the digital display micrometer 5 abuts against the first end.

[0035] In this embodiment, the center distance between the structural holes a and b of the part is measured. The outer diameter of the main positioning pin 2 has a clearance fit with the inner diameter of the structural hole a, and the outer diameter of the secondary positioning pin 3 has a clearance fit with the inner diameter of the structural hole b. In the initial state, the center distance between the main positioning pin 2 and the secondary positioning pin 3 is the standard center distance between the structural holes a and b, and the initial display value of the digital display micrometer 5 is 0.

[0036] When measuring, first place the base 1 flat above the part, place the main positioning pin 2 above the structural hole a, and place the secondary positioning pin 3 above the structural hole b; then move the base 1 downward so that the main positioning pin 2 is inserted into the structural hole a and the secondary positioning pin 3 is inserted into the structural hole b; as the secondary positioning pin 3 is inserted, the slider 4 slides adaptively; at this time, the digital display micrometer 5 displays the distance that the slider 4 moves, and thus the deviation between the measured center distance and the standard center distance of the structural holes a and b is obtained, completing the detection.

[0037] The gauge of the present application is convenient to operate and accurate in detection, realizes the rapid detection of the center distance between two holes, has high detection efficiency, and is suitable for batch detection.

[0038] In a preferred embodiment, as Figure 1 and Figure 3 shown, the base 1 is in a long strip shape, and a plurality of shaped holes 13 are opened along its length direction on the base 1. On the premise of ensuring that the structural strength of the base 1 meets the requirements, its own weight is reduced, and the fatigue of the measuring personnel during the measuring operation is alleviated.

[0039] In a preferred embodiment, as Figure 1 and Figure 3 shown, a hand-held handle 14 is fixedly arranged in the middle of the top surface of the base 1, which is convenient for the hand-held movement of the gauge.

[0040] In a preferred embodiment, as Figure 3 and Figure 4 shown, a first through hole 11 is opened at one end of the base 1 away from the second through hole 12. A first bushing 6 passes through the first through hole 11, and a first pin hole 61 is vertically opened at the bottom end of the first bushing 6; the top end of the main positioning pin 2 is inserted into the first bushing 6 with a clearance fit, a first long hole 21 is opened on the main positioning pin 2 corresponding to the first pin hole 61, and a first mounting pin is inserted into the first pin hole 61 and the first long hole 21.

[0041] In this embodiment, the setting of the first bushing 6 ensures the installation accuracy of the main positioning pin 2. The first long hole 21 on the main positioning pin 2 can play a buffering role when it is inserted into the structural hole a, and the service life of the main positioning pin 2 is prolonged. At the same time, the installation structure in which the first pin hole 61, the first long hole 21 and the first mounting pin cooperate is convenient for the replacement of the main positioning pin 2 after it is deformed during long-term use.

[0042] In a preferred embodiment, as Figure 2 and Figure 3 shown, a positioning sleeve 7 is fixedly arranged on the outer periphery of the bottom surface of the base 1 at the second through hole 12, and the bottom end surface of the positioning sleeve 7 and the bottom end surface of the first bushing 6 are on the same horizontal plane.

[0043] In this embodiment, the bottom end surfaces of the first bushing 6 and the positioning sleeve 7 abut against the top surface of the part, so that the base 1 is kept horizontal, ensuring that the main positioning pin 2 accurately inserts into the structure hole a and the secondary positioning pin 3 accurately inserts into the structure hole b.

[0044] In a preferred embodiment, as Figure 3 and Figure 5 shown, a second bushing 8 is fixedly connected to the bottom surface of the slider 4, and a second pin hole 81 is vertically opened at the bottom end of the second bushing 8; the top end of the secondary positioning pin 3 is inserted into the second bushing 8 with a clearance fit, a second long hole 31 is opened on the secondary positioning pin 3 corresponding to the second pin hole 81, and a second mounting pin is inserted into the second pin hole 81 and the second long hole 31, and the outer diameter of the second bushing 8 is smaller than the inner diameter of the second through hole 12.

[0045] In this embodiment, the setting of the second bushing 8 ensures the installation accuracy of the secondary positioning pin 3. The second long hole 31 on the secondary positioning pin 3 can play a buffering role when it is inserted into the structure hole b, extending the service life of the secondary positioning pin 3. At the same time, the installation structure of the second pin hole 81, the second long hole 31 and the second mounting pin cooperating with each other is convenient for replacing the secondary positioning pin 3 after it is deformed during long-term use. The outer diameter of the second bushing 8 is smaller than the inner diameter of the second through hole 12, so that the setting of the second bushing 8 does not affect the sliding of the slider 4.

[0046] In a preferred embodiment, as Figure 3 and Figure 6 shown, a sliding seat 9 is fixedly arranged on the top surface of the base 1 above the second through hole 12, and the slider 4 is slidably connected with the sliding seat 9 through a crossed roller guide 41, and the sliding seat 9 is provided with an avoidance hole 91 corresponding to the second through hole 12.

[0047] In this embodiment, the slider 4 is slidably connected with the base 1 through the sliding seat 9. Crossed roller guides 41 are respectively arranged between the two sides of the top of the sliding seat 9 and the slider 4. The crossed roller guide 41 includes two fixed guides, one is fixedly installed on the slider 4 and the other is fixedly installed on the sliding seat 9, and a plurality of crossed rollers are arranged between the two fixed guides, and the sliding fit effect is good.

[0048] In a preferred embodiment, as Figure 1 and Figure 3As shown, a dial gauge base 51 is fixedly arranged on the top surface of the base 1. The digital display micrometer 5 is installed on the dial gauge base 51 through a dial gauge clamp 52. Loosening the dial gauge clamp 52 can adjust the position of the digital display micrometer 5, and then tightening the dial gauge clamp 52 clamps and fixes the measuring end of the digital display micrometer 5, ensuring the accuracy of the center distance measurement between the two holes.

[0049] In the description of this specification, terms such as "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0050] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0051] The above are only the preferred embodiments of this application and are not used to limit this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

1. A handheld center distance dial gauge, characterized in that, Comprising a base (1); a vertical main positioning pin (2) is provided at the bottom of one end of the base (1), and a second through hole (12) is provided at the other end; a secondary positioning pin (3) passes through the second through hole (12) in the vertical direction, the outer diameter of the secondary positioning pin (3) is smaller than the inner diameter of the second through hole (12), and the top end of the secondary positioning pin (3) is connected to a slider (4); the slider (4) is slidably connected to the base (1) along a first direction (10); the first direction (10) is the direction from the main positioning pin (2) to the secondary positioning pin (3); a digital display micrometer (5) is fixedly provided on the top surface of the base (1) outside the first end of the slider (4), and the first end is any end of the slider (4) in the first direction (10); the measuring end of the digital display micrometer (5) abuts against the first end.

2. The hand-held center distance dial gauge according to claim 1, wherein The base (1) is in a long strip shape, and a plurality of type holes (13) are provided on the base (1) along its length direction.

3. The hand-held center distance dial gauge according to claim 1, characterized in that, A hand-held handle (14) is fixedly provided in the middle of the top surface of the base (1).

4. The hand-held center distance dial gauge according to claim 1, characterized in that, A first through hole (11) is provided at one end of the base (1) far from the second through hole (12), a first bushing (6) passes through the first through hole (11), and a first pin hole (61) is vertically provided at the bottom end of the first bushing (6); the top end of the main positioning pin (2) is inserted into the first bushing (6) with a clearance fit, a first long hole (21) is provided on the main positioning pin (2) corresponding to the first pin hole (61), and a first mounting pin is inserted into the first pin hole (61) and the first long hole (21).

5. The hand-held center distance dial gauge according to claim 4, wherein, A positioning sleeve (7) is fixedly provided on the bottom surface of the base (1) on the outer periphery of the second through hole (12), and the bottom end surface of the positioning sleeve (7) is on the same horizontal plane as the bottom end surface of the first bushing (6).

6. The hand-held center distance dial gauge according to claim 1, characterized in that, A second bushing (8) is fixedly connected to the bottom surface of the slider (4), and a second pin hole (81) is vertically provided at the bottom end of the second bushing (8); the top end of the secondary positioning pin (3) is inserted into the second bushing (8) with a clearance fit, a second long hole (31) is provided on the secondary positioning pin (3) corresponding to the second pin hole (81), and a second mounting pin is inserted into the second pin hole (81) and the second long hole (31), and the outer diameter of the second bushing (8) is smaller than the inner diameter of the second through hole (12).

7. The hand-held center distance dial gauge according to claim 1, characterized in that, A slide base (9) is fixedly provided on the top surface of the base (1) above the second through hole (12), the slider (4) is slidably connected to the slide base (9) through a crossed roller guide (41), and the slide base (9) is provided with an avoidance hole (91) corresponding to the second through hole (12).

8. The hand-held center distance dial gauge according to claim 1, characterized in that, A meter base (51) is fixedly provided on the top surface of the base (1), and the digital display micrometer (5) is mounted on the meter base (51) through a meter clamping sleeve (52).

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