CN103900446A - Adjustable inclined hole depth detecting device - Google Patents

Abstract

The invention discloses an adjustable inclined hole depth detection device, which includes a dial indicator, a base body and a measuring push rod; the upper end of the base body is provided with a dial indicator, and the lower measuring head of the dial indicator extends into the base body; The measuring plunger is arranged in the base body; the upper end of the measuring plunger is in contact with the dial indicator probe, and the lower end of the measuring plunger is the plunger probe; the base body is provided with a reference block, and the reference block The angle can be adjusted to keep the angle of the bottom surface of the reference block consistent with the angle of the top surface of the inclined hole to be measured. The invention detects inclined holes with different inclinations and depths by adjusting the angle of the reference block and the position of the slide block, the operation process is simple, and the detection efficiency and accuracy are improved.

Description

Adjustable inclined hole depth detection device

technical field

The invention relates to a device for detecting the depth of an inclined hole, which can adjust both the inclination angle and the measurement depth.

Background technique

With the development of science and technology, the requirements for the shape of parts are becoming more and more diverse. There is no suitable and effective tool for the measurement and detection of inclined holes. Some ordinary inspection tools are designed for one type of inclined hole. At present, the measurement of inclined holes Most of the conventional tools used for depth are vernier calipers, depth gauges, etc. The measurement and detection operations for inclined holes with different inclinations are more complicated, resulting in low measurement efficiency and low accuracy.

Contents of the invention

In view of the above-mentioned existing technical problems, the object of the present invention is: a device for detecting the depth of an inclined hole that can adjust both the inclination angle and the measurement depth.

The technical solution of the present invention is achieved like this: the adjustable type inclined hole depth detection device comprises a dial indicator, a base body and a measuring push rod; the upper end of the base body is provided with a dial indicator, and the lower measuring head of the dial indicator Extending into the matrix; the measuring plunger is set in the matrix; the upper end of the measuring plunger is in contact with the dial indicator probe, and the lower end of the measuring plunger is the plunger probe; the base is provided with A reference block, the angle of the reference block can be adjusted to keep the angle of the bottom surface of the reference block consistent with the angle of the top surface of the inclined hole to be measured.

Preferably, a watch cover is arranged on the outside of the dial indicator, and the watch cover is arranged on the upper end of the base body.

Preferably, the upper end of the measuring mandrel has a concave arc surface; the mandrel probe at the lower end of the measuring mandrel is either a round head or a hollow cylinder.

Preferably, a limiting groove is provided on the side of the measuring plunger, and a limiting screw matched with the limiting groove is arranged on the base.

Preferably, a shoulder jacket is provided at the top of the base body, and the measuring head at the lower end of the dial gauge passes through the shoulder jacket and is fixed in the base body.

Preferably, a fixed sleeve is arranged inside the base body, and the measuring plunger passes through the fixed sleeve.

Preferably, a spring with the same axial force as the measuring plunger is arranged between the plunger measuring head and the base body.

Preferably, a slider is sheathed on the lower part of the substrate, and a displacement screw is arranged on the slider, and the slider can slide up and down to adjust the measurement depth.

Preferably, balls are inlaid on the outer wall of the slider, and the balls are fixed by a tapered ring.

Preferably, a spring hole is provided at the upper end of the slider, and a matching spring hole is provided on the contact surface between the base body and the upper end of the slider; a spring is provided in the spring hole.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

The adjustable slant hole depth detection device of the present invention can detect slant holes with different inclination angles by adjusting the angle of the reference block, and adjust the slider to change the measurement depth range to detect slant holes with different depths. Measurement efficiency and accuracy.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Accompanying drawing 1 is the sectional view of adjustable type inclined hole depth detecting device of the present invention;

Accompanying drawing 2 is the enlarged view of place A in accompanying drawing 1;

Accompanying drawing 3 is the enlarged view of place B in accompanying drawing 1;

Accompanying drawing 4 is the detection schematic diagram of adjustable type inclined hole depth detection device of the present invention;

Among them: 1. Dial indicator; 2. Cover; 3. Substrate; 4. Measuring plunger; 5. Pushrod measuring head; 6. Reference block; 7. Screw; 8. Slider; Displacement screw; 11, limit groove; 12, limit screw; 13, shoulder jacket; 14, spring hole; 15, spring; 16, ball; 17, cone ring; 18, workpiece. the

Detailed ways

The present invention is described below in conjunction with accompanying drawing.

Shown in accompanying drawing 1-4 is the adjustable type inclined hole depth detection device of the present invention, comprises dial gauge 1, base body 3 and measuring push rod 4; Described base body 3 upper end is provided with dial gauge 1, so The lower measuring head of the dial indicator extends into the base body; the measuring push rod 4 is arranged in the base body 3; the upper end of the measuring push rod 4 contacts the measuring head of the dial indicator 1, and the The lower end is a push rod measuring head 5; the base body 3 is provided with a reference block 6, and the angle of the reference block 6 can be adjusted to keep the angle of the bottom surface of the reference block 6 consistent with the angle of the top surface of the inclined hole to be measured.

The watch cover 2 is arranged on the upper end of the base body 3, the dial indicator 1 is placed in the watch cover 2, and fixed on the base body 3 through the shoulder jacket 13; the concave arc surface of the upper end of the measuring push rod 4 , can be better matched with the probe of the dial gauge 1; the plunger probe 5 is a hollow cylinder, which improves the measurement accuracy; the side of the measuring plunger 4 is provided with a limiting groove 11, and the The base 3 is provided with a limit screw 12 matched with the limit groove 11 to prevent the measuring push rod 4 from slipping from the base 3; the base 3 is provided with a fixed sleeve 9 inside, and the measuring push rod 4 passes through the fixed sleeve 9. Play the role of fixing and guiding the measuring ejector rod 4; between the ejector rod measuring head 5 and the base body 3, a force spring 15 coaxial with the measuring ejector rod 4 is arranged, which can make the ejector rod measuring head 5 and the measured The bottom of the inclined hole is in close contact. The lower part of the base body 3 is provided with a slide block 8, and the position of the slide block 8 is adjusted up and down to change the range of the depth of measurement; the outer wall of the slide block 8 is inlaid with balls 16, and the balls 16 are fixed by a cone ring 17, so that The ball 16 makes the measurement of the inclined hole smooth and smooth; the upper end of the slider 8 is provided with a spring hole 14, and the contact surface of the base 3 and the upper end of the slider 8 is provided with a matching spring hole 14, and the A spring 15 is arranged in the spring hole 14; a displacement screw 10 is arranged on the slider to fix the position of the slider.

Before use, fix the reference block 6 on the base body 3 with the screw 7. The inclination angle of the reference block 6 is the same as that of the top surface of the inclined block to be measured. Slide the slider 8 up and down to adjust the range to the required range. 10Fix the slider 8, and then calibrate the dial indicator 1 to zero with the standard parts, then put the lower part of the substrate into the inclined hole to be tested, ensure that the bottom surface of the reference block 6 is closely attached to the top surface of the inclined hole, and read the dial indicator 1, if the reading of dial indicator 1 is within the tolerance range, the depth of the inclined hole is qualified, and if the reading of dial indicator 1 exceeds the tolerance range, the depth of the inclined hole is unqualified.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

The adjustable slant hole depth detection device of the present invention can detect slant holes with different inclination angles by adjusting the angle of the reference block, and adjust the slider to change the measurement depth range to detect slant holes with different depths. Measurement efficiency and accuracy.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. Substantial equivalent changes or modifications shall fall within the protection scope of the present invention.

Claims (10)

1. adjustable type oblique hole depth pick-up unit, comprises dial gauge (1), matrix (3) and measurement push rod (4); Described matrix (3) upper end is provided with dial gauge (1), and the bottom gauge head of described dial gauge (1) extend in matrix (3); Described measurement push rod (4) is arranged in matrix (3); Described measurement push rod (4) upper end contacts with dial gauge (1) gauge head, and the lower end of described measurement push rod (4) is push rod gauge head (5); It is characterized in that: on described matrix (3), be provided with reference block (6), described reference block (6) adjustable-angle, keeps the angle of reference block (6) bottom surface consistent with the angle of inclined hole end face to be measured.

2. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: the outer setting of described dial gauge (1) has watch glasses (2), and described watch glasses (2) is arranged at matrix (3) upper end.

3. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: described measurement push rod (4) upper end is concaved circular cambered surface; The push rod gauge head (5) of described measurement push rod (4) lower end or be round end or for hollow cylindrical.

4. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: the sidepiece of described measurement push rod (4) is provided with stopper slot (11), is provided with the stop screw (12) matching with stopper slot (11) on described matrix.

5. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: the top in described matrix (3) is provided with shaft shoulder chuck (13), and described dial gauge (1) lower end gauge head is fixed on matrix (3) through shaft shoulder chuck (13).

6. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: described matrix (3) inside is provided with fixed cover (9), measures push rod (4) through fixed cover (9).

7. adjustable type oblique hole depth pick-up unit according to claim 1, its feature and: between described push rod gauge head (5) and matrix (3), be provided with and the spring of measuring the coaxial power of push rod (15).

8. adjustable type oblique hole depth pick-up unit according to claim 1, its feature with: described matrix (3) bottom is arranged with slide block (8), on described slide block (8), be provided with translation screws (10), described slide block (8) can slide up and down to regulate to fathom.

9. adjustable type oblique hole depth pick-up unit according to claim 7, its feature with: on the lateral wall of described slide block (8), be inlaid with ball (16), described ball (16) is fixing by cone circle (17).

10. adjustable type oblique hole depth pick-up unit according to claim 7, its feature with: described slide block (8) upper end is provided with spring eye (14), described matrix with on upper end of slide block surface of contact, be provided with the spring eye (14) matching, in described spring eye (14), be provided with spring (15).

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