CN223741447U - A device for accurately detecting the depth of a pinhole - Google Patents

Abstract

The utility model discloses a device for accurately detecting the depth of a small hole, which comprises a horizontal workbench, a fixed pedestal and a measuring mechanism arranged on the fixed pedestal, wherein the horizontal workbench is provided with a measuring station, the measuring mechanism is used for measuring a part to be measured on the measuring station, and the device has the characteristics of accurate measurement, no expensive equipment, simple detection method, convenient operation, low use cost and the like.

Description

Device for accurately detecting small hole depth

Technical Field

The utility model relates to the field of part detection, in particular to a device for accurately detecting the depth of a small hole.

Background

In the fields of industrial production, scientific research and the like, accurate measurement of the depths of small holes on various parts is often required, a traditional measurement method is such as using tools such as calipers, and for some small holes, especially for the conditions of deeper depth, smaller hole diameter or special hole bottom shape (such as non-flat bottom), the tools such as calipers are difficult to accurately measure, even cannot measure, and equipment such as laser and ultrasonic waves are adopted for measurement, and although the precision is higher, the equipment is often expensive, the operation is complex, the requirements on professional skills of operators are higher, the detection cost is higher, and the wide application and popularization are not facilitated.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a device for accurately detecting the depth of a small hole.

The utility model is realized by the following technical scheme.

The utility model provides a device for accurately detecting the depth of a small hole, which comprises a horizontal workbench, a fixed pedestal and a measuring mechanism arranged on the fixed pedestal, wherein a measuring station is arranged on the horizontal workbench, and the measuring mechanism is used for measuring a part to be measured on the measuring station.

Preferably, the measuring mechanism comprises a graduated scale, a limiting block and a probe, wherein the graduated scale is fixedly arranged on the fixed pedestal, the limiting block is arranged in a sliding manner along the length direction of the graduated scale, and the probe is arranged on the limiting block.

Preferably, the limiting block is provided with an anti-skid wheel, the anti-skid wheel is contacted with the side face of the graduated scale, and the other side thread of the limiting block is provided with a first knob in a penetrating mode.

Preferably, the limiting block is provided with an extension mechanism, and the probe is mounted on the extension mechanism.

Preferably, the extension mechanism comprises a first support arm, a second support arm and a locking structure, wherein the first support arm is installed on the limiting block, the locking structure fixes the first support arm and the second support arm together, and the probe is installed at one end, far away from the first support arm, of the second support arm.

Preferably, the locking structure comprises a fixed block and a second knob, the fixed block is provided with a through hole, one ends of the first support arm and the second support arm, which are close to each other, penetrate through the through hole, and the second knob fixes the first support arm and the second support arm on the fixed block by screwing in the fixed block.

Preferably, the second support arm is provided as a cylindrical support arm, one end of the cylindrical support arm, which is far away from the first support arm, is provided with a through opening, the probe is arranged in the through opening in a penetrating manner, and the probe is fixed in the through opening through a third knob.

Preferably, the limiting block is provided with an electronic measuring meter.

Preferably, a reserved notch is arranged on the horizontal workbench.

The utility model has the beneficial effects that:

1. the structure can realize direct measurement and ensure the measurement accuracy for the small hole depth which cannot be accurately measured or even cannot be measured by the traditional caliper and other tools, so that the requirement of quality control can be met in the fields of precision part manufacturing, aerospace and the like with higher requirements on the small hole depth accuracy.

2. Compared with the detection method adopting expensive equipment such as laser and ultrasonic, the technology does not need the high-end equipment, greatly reduces the detection cost, has great attraction for some small and medium enterprises or projects with strict cost control, and is beneficial to the popularization and application of the technology.

3. The detection method is simple, the steps of the whole detection process are relatively simple, operators do not need to have very specialized skills and knowledge, and can master the detection process through simple training, so that the requirements on the operators are reduced, and the efficiency and operability of the detection work are improved.

4. The assembly and the detection method of the structure are convenient to operate, the convenience of operation is focused on the process of mounting the probe, fixing the part or detecting the depth and reading and recording the data, the assembly and the detection method can be carried out smoothly, the complexity and the difficulty in the operation process are reduced, and the working efficiency is further improved.

5. The structure has the advantages of relatively low cost in the aspects of manufacturing, maintenance, operator training and the like, low comprehensive use cost and good economic benefit and market competitiveness.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another aspect of the present utility model;

The device comprises a 1-measuring mechanism, a 11-limiting block, a 12-graduated scale, a 13-probe, a 14-anti-skid wheel, a 15-first knob, a 16-electronic measuring meter, a 2-extending mechanism, a 21-first supporting arm, a 22-second supporting arm, a 221-cylindrical supporting arm, a 222-through opening, a 223-third knob, a 23-locking structure, a 231-fixed block, a 232-second knob, a 3-horizontal workbench, a 4-fixed pedestal, a 5-measuring station, a 6-reserved gap and 7-part to be measured.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In this embodiment, referring to fig. 1 and 2, the device comprises a horizontal workbench 3 and a fixed pedestal 4, which provide a flat horizontal plane for measurement work and ensure accurate measurement of the size of a part 7 to be measured;

The horizontal workbench 3 is provided with a measuring station 5 for placing a part 7 to be measured, and meanwhile, the horizontal workbench 3 is also provided with a reserved notch 6, so that a worker can operate conveniently, the fixed pedestal 4 is provided with a measuring mechanism 1, and the measuring mechanism 1 is used for measuring the part 7 to be measured on the measuring station 5.

In the embodiment, referring to fig. 1 and 2, the measuring mechanism 1 comprises a graduated scale 12, a limiting block 11 and a probe 13, wherein the graduated scale 12 is fixedly arranged on a fixed pedestal 4 and is also vertically arranged on the fixed pedestal 4, the limiting block 11 is slidably arranged along the length direction of the graduated scale 12, an anti-skid wheel 14 is rotatably arranged on the limiting block 11, the anti-skid wheel 14 is contacted with the side surface of the graduated scale 12, a first knob 15 is threaded on the other side of the limiting block 11, and the fastening and loosening of the anti-skid wheel 14 are realized through the first knob 15 so as to be convenient for adjusting the sliding state or the fixed state of the limiting block 11, the probe 13 is arranged on the limiting block 11, and probes 13 with different sizes can be selected according to different aperture sizes, and the probe 13 is suitable for measuring the hole depths of small holes with different sizes on a part 7 to be measured;

Meanwhile, an electronic measuring meter 16 is further arranged on the limiting block 11, and the distance of the probe 13 moving along the vertical direction is measured through the electronic measuring meter 16, so that the accurate measurement of the depth of the small hole on the part 7 to be measured is realized.

In this embodiment, referring to fig. 1 and 2, an extension mechanism 2 is disposed on a limiting block 11, a probe 13 is mounted on the extension mechanism 2, the extension mechanism 2 includes a first support arm 21, a second support arm 22 and a locking structure 23, the first support arm 21 is fixedly mounted on the limiting block 11, the first support arm 21 is specifically fixedly welded on a side surface of an electronic measuring meter 16, the locking structure 23 fixes the first support arm 21 and the second support arm 22 together, the locking structure 23 includes a fixing block 231 and a second knob 232, a through hole is formed on the fixing block 231, one ends of the first support arm 21 and the second support arm 22 close to each other pass through the through hole, and the second knob 232 fixes the first support arm 21 and the second support arm 22 on the fixing block 231 by screwing into the fixing block 231. And then the probe 13 is arranged at one end of the second support arm 22 far away from the first support arm 21, and the position of the probe 13 is adjusted by adjusting the length of the second support arm 22 penetrating through the fixed block 231, so that the position of the probe 13 is adjusted according to the position of the small hole on the part 7 to be measured.

In this embodiment, referring to fig. 1 and 2, the second support arm 22 is configured as a cylindrical support arm 221, one end of the cylindrical support arm 221 away from the first support arm 21 is provided with a through opening 222, the probe 13 is disposed in the through opening 222 in a penetrating manner, the probe 13 is inserted into the through opening 222, the probe 13 is fixed in the through opening 222 by tightening the third knob 223, and the end surface diameter of each of the two end portions of the probe 13 is smaller than the cross section diameter of the middle portion, so that the third knob 223 is convenient for supporting the probe 13.

The operation process of this embodiment includes that firstly, the part 7 to be measured is placed on the measuring station 5, the probe 13 is inserted into the through opening 222, the probe 13 is fixed in the through opening 222 by screwing the third knob 223, the electronic measuring meter 16 slides upwards along the length direction of the graduated scale 12 to drive the probe 13 to move upwards, the position of the probe 13 is adjusted by adjusting the length of the second supporting arm 22 penetrating through the fixed block 231, the probe 13 moves transversely to the top end of the part 7 to be measured, the electronic measuring meter 16 is driven by the downward sliding limiting block 11 to move downwards, the probe 13 contacts with the top end surface of the part 7 to be measured to retain initial measurement data, in the measuring process, the probe 13 stretches into a small hole of the part 7 to be measured, and the depth data of the small hole is obtained by observing the data difference of the electronic measuring meter 16 before and after the probe 13 enters the small hole through contact with the bottom of the hole and cooperation of the electronic measuring meter 16.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (9)

1. The device for accurately detecting the small hole depth is characterized by comprising a horizontal workbench (3), a fixed pedestal (4) and a measuring mechanism (1) arranged on the fixed pedestal (4), wherein a measuring station (5) is arranged on the horizontal workbench (3), and the measuring mechanism (1) is used for measuring a part (7) to be measured on the measuring station (5).

2. A device for accurately detecting the depth of a small hole according to claim 1, wherein the measuring mechanism (1) comprises a graduated scale (12), a limiting block (11) and a probe (13), the graduated scale (12) is fixedly arranged on the fixed pedestal (4), the limiting block (11) is arranged in a sliding manner along the length direction of the graduated scale (12), and the probe (13) is arranged on the limiting block (11).

3. A device for accurately detecting the depth of a small hole according to claim 2, wherein the limiting block (11) is provided with an anti-skid wheel (14), the anti-skid wheel (14) is contacted with the side surface of the graduated scale (12), and the other side thread of the limiting block (11) is provided with a first knob (15) in a penetrating way.

4. A device for accurately detecting the depth of a small hole according to claim 2, wherein the limiting block (11) is provided with an extension mechanism (2), and the probe (13) is mounted on the extension mechanism (2).

5. A device for accurately detecting the depth of a small hole as set forth in claim 4, wherein the extension mechanism (2) comprises a first support arm (21), a second support arm (22) and a locking structure (23), the first support arm (21) is mounted on the stopper (11), the locking structure (23) fixes the first support arm (21) and the second support arm (22) together, and the second support arm (22) is connected to the probe (13) at an end far from the first support arm (21).

6. A device for precisely detecting the depth of a small hole as set forth in claim 5, wherein the locking structure (23) comprises a fixing block (231) and a second knob (232), a through hole is formed in the fixing block (231), one ends of the first support arm (21) and the second support arm (22) close to each other pass through the through hole, and the second knob (232) fixes the first support arm (21) and the second support arm (22) on the fixing block (231) by screwing into the fixing block (231).

7. A device for accurately detecting the depth of a small hole as set forth in claim 5, wherein the second support arm (22) is provided as a cylindrical support arm (221), a through opening (222) is formed in an end of the cylindrical support arm (221) away from the first support arm (21), the probe (13) is inserted into the through opening (222), and the probe (13) is fixed in the through opening (222) by a third knob (223).

8. A device for accurate detection of pinhole depth as claimed in claim 2, characterized in that the stopper (11) is provided with an electronic gauge (16).

9. A device for accurate detection of pinhole depths as claimed in claim 1, characterized in that the horizontal table (3) is provided with a pre-cut (6).