CN212432006U - Precision part inner hole depth detection device - Google Patents

Abstract

The utility model discloses an accurate spare part hole degree of depth detection device will during the measurement measure the base butt and be close to hole open-ended one side at spare part, make two terminal surfaces of measuring the base are located the both sides of hole opening part, remove the blade makes the blade is in slide on the chi frame, and make the tip of blade stretches into the inside of hole, takes out spacing card makes rotatory section of thick bamboo is in under the drive of rotatory ball with the solid fixed cylinder rotates, and then makes carousel rotation adjusts angle between blade and the hole until the blade can stretch out and draw back towards the inside of hole once more, so through right the blade gets into the angle of hole and adjusts to can accurately measure the length of spare part slope hole.

Description

Precision part inner hole depth detection device

Technical Field

The utility model relates to an accurate detection instrument field especially relates to an accurate spare part hole degree of depth detection device.

Background

At present, the inner end face of a mechanical part is provided with a hole called an inner hole, a part has an inner hole machining process in the machining process, the depth measurement needs to be carried out after the inner hole is machined when the part is checked and accepted, the current commonly used depth measurement tool is a vernier caliper, the vernier caliper presses a measurement base on a reference surface of a workpiece, the ruler body slides, one end of the ruler body enters the inner hole until the end surface of the ruler body contacts a measuring surface of the workpiece, and then the depth of the inner hole is measured.

The existing measuring device needs to compress a measuring base and a reference surface of a measured part, so that a ruler body is kept perpendicular to the section of an inner hole, but the inner hole of the part is inclined, so that the ruler body cannot accurately stretch along the center of the inner hole, and the measuring precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate spare part hole degree of depth detection device, the current measuring device who aims at solving among the prior art need compress tightly the reference surface of measuring base and surveyed part, makes the blade keep perpendicular to hole cross-section, but there is the slope in the hole of part, makes the blade can not accurately follow the hole center and stretch out and draw back to influence measurement accuracy's technical problem.

In order to achieve the purpose, the utility model discloses a precision part inner hole depth detection device, which comprises a measuring base, a ruler frame, a ruler body and a rotating assembly; the ruler frame is rotatably connected with the measuring base and is positioned on one side of the measuring base, and the ruler body is slidably connected with the ruler frame and is positioned on one side of the ruler frame, which is far away from the measuring base; the rotating assembly comprises an installation seat, a turntable and an adjusting component, the installation seat is fixedly connected with the measuring base and is positioned on one side of the measuring base close to the ruler frame, and the turntable is rotatably connected with the installation seat, is fixedly connected with the ruler frame and is positioned between the installation seat and the ruler frame; the adjusting member comprises a fixed cylinder, a rotary ball and a rotary cylinder, the fixed cylinder is fixedly connected with the mounting seat and is positioned on one side of the turntable, the mounting seat is close to one side of the turntable, the rotary ball is rotatably connected with the fixed cylinder and is positioned between the mounting seat and the turntable, the rotary cylinder is fixedly connected with the turntable and is rotatably connected with the rotary ball and is positioned on one side of the fixed cylinder, and the rotary ball is far away from the fixed cylinder.

The rotary cylinder is provided with a threaded bulge, and the threaded bulge is positioned on one side of the rotary cylinder, which is close to the fixed cylinder; the adjusting component further comprises a limiting clamp, the limiting clamp is connected with the fixed cylinder in a sliding mode, meshed with the thread protrusions, located between the fixed cylinder and the rotating cylinder, and partially extends out of the surface of the fixed cylinder towards the direction far away from the rotating cylinder.

The rotating assembly further comprises a fastening bolt, the fastening bolt is rotatably connected with the ruler frame, is abutted to the ruler body and is located on one side, close to the ruler body, of the ruler frame.

The rotating assembly further comprises a digital identification sticker, and the digital identification sticker is fixedly connected with the ruler frame and is located on one side, far away from the ruler body, of the ruler frame.

The device for detecting the depth of the inner hole of the precision part further comprises a first clamping plate, a second clamping plate and a fastening assembly, wherein the first clamping plate is connected with the measuring base in a sliding mode and is positioned on one side, far away from the mounting seat, of the measuring base; the second clamping plate is connected with the measuring base in a sliding mode and is positioned on one side, away from the first clamping plate, of the measuring base; the fastening component is fixedly connected with the first clamping plate and fixedly connected with the second clamping plate.

The fastening assembly comprises a first sliding block and a first rotating screw rod, the first sliding block is fixedly connected with the first clamping plate, is connected with the measuring base in a sliding mode, and is located between the measuring base and the first clamping plate; the first rotating screw is connected with the measuring base in a rotating mode, connected with the first sliding block in a rotating mode and located on one side, close to the first sliding block, of the measuring base.

The fastening assembly further comprises a second sliding block and a second rotating screw, the second sliding block is fixedly connected with the second clamping plate, is connected with the measuring base in a sliding mode, and is located between the second clamping plate and the measuring base; the second rotating screw is connected with the measuring base in a rotating mode, connected with the second sliding block in a rotating mode and located on one side, close to the first sliding block, of the measuring base.

The utility model discloses an accurate spare part hole degree of depth detection device will when measuring measure the base butt and be close to hole open-ended one side at spare part, make two terminal surfaces of measuring the base are located the both sides of hole opening part, remove the blade makes the blade is in slide on the chi frame, and make the tip of blade stretches into the inside of hole, takes out spacing card makes rotatory section of thick bamboo is in under the drive of rotatory ball with the solid fixed cylinder rotates, and then makes carousel rotation adjusts angle between blade and the hole until the blade can stretch out and draw back towards the inside of hole once more, so through right the blade gets into the angle of hole and adjusts to can accurately measure the length of spare part slope hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the rotating assembly of the present invention.

Fig. 2 is a schematic structural diagram of the adjusting member of the present invention.

Fig. 3 is a schematic view of the connection structure of the limit clip and the rotary cylinder of the present invention.

Fig. 4 is a schematic structural view of the fastening assembly of the present invention.

In the figure: 1-a measuring base, 2-a ruler frame, 3-a ruler body, 4-a rotating component, 5-a first clamping plate, 6-a second clamping plate, 7-a fastening component, 41-a mounting seat, 42-a rotating disc, 43-an adjusting component, 44-a fastening bolt, 45-a digital identification paste, 71-a first sliding block, 72-a first rotating screw rod, 73-a second sliding block, 74-a second rotating screw rod, 100-a precision part inner hole depth detection device, 431-a fixed cylinder, 432-a rotating ball, 433-a rotating cylinder, 434-a limiting clamp and 4331-a thread bulge.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In a first example of the present embodiment:

referring to fig. 1 to 3, the present invention provides a device 100 for detecting the depth of an inner hole of a precision component, which includes a measuring base 1, a ruler frame 2, a ruler body 3 and a rotating assembly 4; the ruler frame 2 is rotatably connected with the measuring base 1 and is positioned on one side of the measuring base 1, and the ruler body 3 is slidably connected with the ruler frame 2 and is positioned on one side of the ruler frame 2 away from the measuring base 1; the rotating assembly 4 comprises a mounting seat 41, a rotating disc 42 and an adjusting member 43, the mounting seat 41 is fixedly connected with the measuring base 1 and is positioned on one side of the measuring base 1 close to the ruler frame 2, and the rotating disc 42 is rotatably connected with the mounting seat 41 and is fixedly connected with the ruler frame 2 and is positioned between the mounting seat 41 and the ruler frame 2; the adjusting member 43 includes a fixed cylinder 431, a rotating ball 432 and a rotating cylinder 433, the fixed cylinder 431 is fixedly connected with the mounting seat 41 and is located on one side of the mounting seat 41 close to the rotating disc 42, the rotating ball 432 is rotatably connected with the fixed cylinder 431 and is located between the mounting seat 41 and the rotating disc 42, and the rotating cylinder 433 is fixedly connected with the rotating disc 42 and is rotatably connected with the rotating ball 432 and is located on one side of the rotating ball 432 far away from the fixed cylinder 431.

Further, the rotary cylinder 433 is provided with a thread projection 4331, and the thread projection 4331 is positioned on one side of the rotary cylinder 433 close to the fixed cylinder 431; the adjusting member 43 further comprises a limit clip 434, wherein the limit clip 434 is slidably connected with the fixed cylinder 431, is engaged with the thread projection 4331, is located between the fixed cylinder 431 and the rotary cylinder 433, and partially extends out of the surface of the fixed cylinder 431 in a direction away from the rotary cylinder 433.

Further, the rotating assembly 4 further comprises a fastening bolt 44, and the fastening bolt 44 is rotatably connected with the blade 2, abuts against the blade 3, and is located on one side of the blade 3 close to the blade 2.

Further, the rotating assembly 4 further comprises a digital identification sticker 45, and the digital identification sticker 45 is fixedly connected with the ruler frame 2 and is located on one side, far away from the ruler body 3, of the ruler frame 2.

In this embodiment, the bottom of the measuring base 1 is a horizontal end surface for contacting the bottom of the measuring base 1 to the end surface of the measured component so that the blade 3 is parallel to the center line of the measured hole, the mounting base 41 is a circular bottom plate and is integrally fixed to the measuring base 1 by a bracket and is away from the horizontal bottom of the measuring base 1, the fixed cylinder 431 is a hollow circular ring, the bottom of the fixed cylinder 431 is screwed to the mounting base 41 and is circularly disposed around the center of the mounting base 41, the inner side wall of the fixed cylinder 431 has a chute, the outer side surface of the rotary cylinder 433 also has a chute and is located in the circular interior of the fixed cylinder 431, the chute of the fixed cylinder 431 is disposed opposite to the chute of the rotary cylinder 433, and the rotary ball 432 is mounted between the fixed cylinder 431 and the rotary cylinder 433, the rotating cylinder 433 is driven to rotate by taking the center of the fixed cylinder 431 as an axis, the thread protrusion 4331 is arranged on one side of the rotating cylinder 433, which is close to the sliding chute, and is arranged at the top of the sliding chute, the thread protrusion 4331 surrounds the outer side of the rotating cylinder 433 for a circle, the fixed cylinder 431 is positioned on one side of the sliding chute, the limit card 434 is arranged on one surface of the top of the sliding chute, and the limit card 434 horizontally slides towards the direction of the thread protrusion 4331 of the rotating cylinder 433 and is meshed with the thread protrusion 4331, so that the fixed cylinder 431 and the rotating cylinder 433 are fixed for limiting; the rotary disc 42 is fixed on one side of the rotary cylinder 433, which is far away from the mounting base 41, through threads, the section of the rotary disc 42 is circular, and the rotary disc rotates by taking the center of the rotary cylinder 433 as an axis; the ruler frame 2 and the ruler body 3 are fixed on the surface of the rotary table 42 through threads, the ruler body 3 slides in the ruler frame 2, the number identification sticker 45 is pasted on the surface of the ruler frame 2, the number identification sticker 45 is marked with length number scale marks, the fastening bolt 44 is rotatably connected to the side surface of the ruler frame 2, the fastening bolt 44 penetrates through the side surface of the ruler frame 2, and the fastening bolt 44 is abutted to the ruler body 3 through rotating the fastening bolt 44, so that the ruler body 3 is limited; so, will during the measurement measure 1 butt of base in the part is close to hole open-ended one side, make two terminal surfaces of measuring base 1 are located the both sides of hole opening part, remove blade 3 makes blade 3 is in slide on the chi frame 2, and make the tip of blade 3 stretches into the inside of hole, takes out spacing card 434 makes rotatory section of thick bamboo 433 is in under the drive of rotatory ball 432 with solid fixed cylinder 431 rotates, and then makes carousel 42 rotation adjusts angle between blade 3 and the hole, until blade 3 can stretch out and draw back towards the inside of hole once more, so through right blade 3 gets into the angle of hole and adjusts to can accurately measure the length of part slope hole.

In a second example of the present embodiment:

referring to fig. 1 to 4, the present invention provides a device 100 for detecting the depth of an inner hole of a precision component, which includes a measuring base 1, a ruler frame 2, a ruler body 3 and a rotating assembly 4; the ruler frame 2 is rotatably connected with the measuring base 1 and is positioned on one side of the measuring base 1, and the ruler body 3 is slidably connected with the ruler frame 2 and is positioned on one side of the ruler frame 2 away from the measuring base 1; the rotating assembly 4 comprises a mounting seat 41, a rotating disc 42 and an adjusting member 43, the mounting seat 41 is fixedly connected with the measuring base 1 and is positioned on one side of the measuring base 1 close to the ruler frame 2, and the rotating disc 42 is rotatably connected with the mounting seat 41 and is fixedly connected with the ruler frame 2 and is positioned between the mounting seat 41 and the ruler frame 2; the adjusting member 43 includes a fixed cylinder 431, a rotating ball 432 and a rotating cylinder 433, the fixed cylinder 431 is fixedly connected with the mounting seat 41 and is located on one side of the mounting seat 41 close to the rotating disc 42, the rotating ball 432 is rotatably connected with the fixed cylinder 431 and is located between the mounting seat 41 and the rotating disc 42, and the rotating cylinder 433 is fixedly connected with the rotating disc 42 and is rotatably connected with the rotating ball 432 and is located on one side of the rotating ball 432 far away from the fixed cylinder 431.

Further, the device 100 for detecting the depth of the inner hole of the precision part further comprises a first clamping plate 5, a second clamping plate 6 and a fastening assembly 7, wherein the first clamping plate 5 is connected with the measuring base 1 in a sliding manner and is located on one side of the measuring base 1 away from the mounting seat 41; the second clamping plate 6 is connected with the measuring base 1 in a sliding mode and is positioned on one side, far away from the first clamping plate 5, of the measuring base 1; the fastening component 7 is fixedly connected with the first clamping plate 5 and the second clamping plate 6.

Further, the fastening assembly 7 comprises a first sliding block 71 and a first rotating screw 72, wherein the first sliding block 71 is fixedly connected with the first clamping plate 5, is slidably connected with the measuring base 1, and is located between the measuring base 1 and the first clamping plate 5; the first rotating screw 72 is rotatably connected with the measuring base 1, is rotatably connected with the first sliding block 71, and is located on one side of the measuring base 1 close to the first sliding block 71.

Further, the fastening assembly 7 further comprises a second sliding block 73 and a second rotating screw 74, wherein the second sliding block 73 is fixedly connected with the second clamping plate 6, is slidably connected with the measuring base 1, and is located between the second clamping plate 6 and the measuring base 1; the second rotating screw 74 is rotatably connected to the measuring base 1, rotatably connected to the second slider 73, and located on a side of the measuring base 1 close to the first slider 71.

In this embodiment, a rectangular slide way is arranged on one side of the bottom of the measurement base 1 close to the component, the slide way is arranged along the long direction of the measurement base 1, the first slider 71 and the second slider 73 are respectively slidably mounted in the rectangular slide way of the measurement base 1, a limit clamp 434 is arranged at the bottom of the measurement base 1, so that the lateral directions of the first slider 71 and the second slider 73 are respectively limited and can only slide along the long direction of the measurement base 1, the first clamping plate 5 and the second clamping plate 6 are respectively fixed to the first slider 71 and the second slider 73 through threads, the bottom of the first clamping plate 5 is fixed to the first slider 71 through threads, the plate surface of the first clamping plate is perpendicular to the bottom of the measurement base 1, the bottom of the second clamping plate 6 is fixed to the second slider 73 through threads, and the plate surface of the second clamping plate is perpendicular to the bottom of the measurement base 1, and is arranged opposite to the first substrate; two ends of the first rotating screw 72 are rotatably connected with the measuring base 1 through bearings, one end of the first rotating screw penetrates through the measuring base 1, a knob is fixed on a part of penetrating threads, threads are arranged on the outer side surface of the first rotating screw 72, the first rotating screw penetrates through the first sliding block 71 and is rotatably matched with the first sliding block 71, and the first rotating screw 72 is driven to rotate through rotating the knob, so that the first sliding block 71 and the first clamping plate 5 are driven to slide; the both ends of second rotatory screw rod 74 pass through the bearing with measure the base 1 and rotate and be connected, and one end runs through measure base 1, and wear out partial thread tightening and have the knob, the lateral surface of second rotatory screw rod 74 has the screw thread, and runs through second slider 73, and with second slider 73 normal running fit, through rotating the knob, drive second rotatory screw rod 74 rotates, and then drives second slider 73 with second splint 6 slide, so pass through first splint 5 with the periphery of spare part is pressed from both sides tightly, makes measure base 1 and spare part keep fixed, so avoid in the measurement process measure base 1 and spare part and take place the displacement, and then make measurement accuracy higher.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (7)

1. A device for detecting the depth of an inner hole of a precision part is characterized by comprising a measuring base, a ruler frame, a ruler body and a rotating assembly;

the ruler frame is rotatably connected with the measuring base and is positioned on one side of the measuring base, and the ruler body is slidably connected with the ruler frame and is positioned on one side of the ruler frame, which is far away from the measuring base;

the rotating assembly comprises an installation seat, a turntable and an adjusting component, the installation seat is fixedly connected with the measuring base and is positioned on one side of the measuring base close to the ruler frame, and the turntable is rotatably connected with the installation seat, is fixedly connected with the ruler frame and is positioned between the installation seat and the ruler frame;

the adjusting member comprises a fixed cylinder, a rotary ball and a rotary cylinder, the fixed cylinder is fixedly connected with the mounting seat and is positioned on one side of the turntable, the mounting seat is close to one side of the turntable, the rotary ball is rotatably connected with the fixed cylinder and is positioned between the mounting seat and the turntable, the rotary cylinder is fixedly connected with the turntable and is rotatably connected with the rotary ball and is positioned on one side of the fixed cylinder, and the rotary ball is far away from the fixed cylinder.

2. The apparatus for detecting the depth of an inner hole of a precision part according to claim 1,

the rotary cylinder is provided with a thread bulge, and the thread bulge is positioned on one side of the rotary cylinder close to the fixed cylinder; the adjusting component further comprises a limiting clamp, the limiting clamp is connected with the fixed cylinder in a sliding mode, meshed with the thread protrusions, located between the fixed cylinder and the rotating cylinder, and partially extends out of the surface of the fixed cylinder towards the direction far away from the rotating cylinder.

3. The apparatus for detecting the depth of an inner hole of a precision part according to claim 2,

the rotating assembly further comprises a fastening bolt, the fastening bolt is rotatably connected with the ruler frame, is abutted to the ruler body and is positioned on one side, close to the ruler body, of the ruler frame.

4. The apparatus for detecting the depth of an inner hole of a precision part according to claim 3,

the rotating assembly further comprises a digital identification sticker, and the digital identification sticker is fixedly connected with the ruler frame and is positioned on one side, far away from the ruler body, of the ruler frame.

5. The apparatus for detecting the depth of an inner hole of a precision part according to claim 1,

the device for detecting the depth of the inner hole of the precision part further comprises a first clamping plate, a second clamping plate and a fastening assembly, wherein the first clamping plate is connected with the measuring base in a sliding mode and is positioned on one side, far away from the mounting seat, of the measuring base; the second clamping plate is connected with the measuring base in a sliding mode and is positioned on one side, away from the first clamping plate, of the measuring base; the fastening component is fixedly connected with the first clamping plate and fixedly connected with the second clamping plate.

6. The apparatus for detecting the depth of an inner hole of a precision part according to claim 5,

the fastening assembly comprises a first sliding block and a first rotating screw rod, the first sliding block is fixedly connected with the first clamping plate, is connected with the measuring base in a sliding mode, and is located between the measuring base and the first clamping plate; the first rotating screw is connected with the measuring base in a rotating mode, connected with the first sliding block in a rotating mode and located on one side, close to the first sliding block, of the measuring base.

7. The apparatus for detecting the depth of an inner hole of a precision part according to claim 6,

the fastening assembly further comprises a second sliding block and a second rotating screw, the second sliding block is fixedly connected with the second clamping plate, is connected with the measuring base in a sliding mode, and is located between the second clamping plate and the measuring base; the second rotating screw is connected with the measuring base in a rotating mode, connected with the second sliding block in a rotating mode and located on one side, close to the first sliding block, of the measuring base.

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