Detection tool for detecting depth and coaxiality of outer circular ring groove of plunger motor

Abstract

A detection tool for detecting depth and coaxiality of an outer circular ring groove of a plunger motor comprises a base, a dial indicator and a calibration block, the center of the top end of the base protrudes to form a connecting end, the bottom of the base sinks inwards to form a cambered surface connecting part, one end of the calibration block abuts against the cambered surface connecting part to be connected with the base, and an arc-shaped notch is formed in the end, abutting against the cambered surface connecting part, of the calibration block. One end of the dial indicator penetrates through the connecting end and the base and extends into the notch to abut against the calibration block, accurate measurement of the depth and coaxiality of the outer circular ring groove of the plunger motor is achieved, and the detection efficiency and accuracy are improved. The arrangement of the arc-shaped gap enables the meter hand to accurately contact with the calibration block, thereby obtaining accurate reading. In addition, due to the design of the locking screw, the position of the dial indicator is effectively fixed, and errors in the measuring process are avoided. The overall structure is simple and practical, operation is easy, the device is suitable for plunger motor detection under various working conditions, and the product quality and the production efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plunger motor technical field, concretely relates to a gauge for detecting plunger motor outer circular ring groove depth and coaxality. BACKGROUND

[0002] When plunger motor detects coaxality, coaxality detection means is high in cost, and the operation is complicated, and the detection time is long. SUMMARY

[0003] Therefore, the utility model provides a gauge for detecting plunger motor outer circular ring groove depth and coaxality.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A gauge for detecting plunger motor outer circular ring groove depth and coaxality, including base, dial indicator and calibration block, the base top end center protrudes and forms the connecting end, the base bottom recess forms the arc surface connecting portion, the calibration block one end is pressed against the arc surface connecting portion and is connected with the base, the calibration block one end pressed against the arc surface connecting portion is set up the arc-shaped gap, one end of dial indicator passes through the connecting end and the base and extends into the gap and is pressed against the calibration block.

[0006] Preferably, the connecting end is set up the connecting hole that passes through the connecting end and the calibration block, the connecting hole is communicated with the arc-shaped gap, the dial indicator has the body part and the needle part, the needle part is passed through the connecting hole and extends into the arc-shaped gap and is pressed against the calibration block.

[0007] Preferably, the connecting hole is set up on the connecting end in axial direction, the locking hole that is set up in radial direction is set up on the hole wall of the connecting hole, the locking screw is set up in the locking hole, and the locking screw is passed through the locking hole and extends into the connecting hole and is pressed against the needle part of the dial indicator.

[0008] Preferably, the calibration block has the arc surface part and the plane part, the arc-shaped gap is set up on the arc surface part, and the arc of the arc surface part is consistent with the arc of the arc surface connecting portion.

[0009] Preferably, the needle part bottom end is provided with the needle, and the needle extends into the arc-shaped gap and is pressed against the calibration block.

[0010] Preferably, the needle part is tightly attached between the inner wall of the connecting hole, and the needle is gap fitted between the inner wall of the connecting hole.

[0011] The utility model discloses beneficial effect lies in: realized the accurate measurement of the depth and coaxiality of the outer circular ring groove of plunger motor, improved the detection efficiency and accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description make a brief introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0013] ATTACHMENT Fig. 1 It is the assembly diagram of gauge and workpiece;

[0014] ATTACHMENT Fig. 2 It is the structure diagram of gauge. DETAILED DESCRIPTION

[0015] Below will combine the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor are within the protection scope of the utility model.

[0016] Below will combine the drawing in the embodiment of the utility model further describe the utility model.

[0017] The utility model provides the following technical scheme:

[0018] As shown in the attached Figs. 1-2 The utility model discloses a kind of gauge for detecting the depth and coaxiality of plunger motor outer circular ring groove, including base 1, dial gauge 2 and calibration block 3, the base 1 top end center protrudes and forms connecting end 4, the base 1 bottom is concave and forms arc surface connecting portion 5, the calibration block 3 one end is against arc surface connecting portion 5 and base 1 is connected, the calibration block 3 is set on the one end against arc surface connecting portion 5 and is opened arc notch 6, one end of dial gauge 2 passes through connecting end 4 and base 1 and extends into arc notch and is against calibration block 3. Specifically, the detection mode of the design as follows:

[0019] Before detection, first place the calibration block 3 on the water platform to ensure the accuracy of the calibration block 3, take out the dial needle part 9 of the dial gauge 2 and insert it into the connecting end 4 of the base 1, then place it on the arc surface part 12 of the calibration block 3 to calibrate and zero, and use the locking screw 11 to pre-tighten the dial gauge 2 to fix its position relative to the base 1. The depth of the arc-shaped notch 6 of the calibration block 3 is designed according to the depth of the ring groove of the measured part. After the base 1 with the fixed dial gauge 2 is placed on the calibration block 3, the dial needle 8 on the dial needle part 9 contacts the calibration block 3, and the height of the dial gauge 2 is adjusted so that the dial needle 8 rotates one circle and the pointer rotates to zero position. At this time, the zero position is adjusted and the locking screw 11 is locked. In this way, the gauge is calibrated. When in use, the arc surface connecting part 5 of the base 1 is tightly attached to the machined outer surface of the workpiece, and the dial needle 8 of the dial gauge 2 contacts the bottom of the ring groove of the workpiece. At this time, the indicated value of the dial needle 8 plus the depth of the calibration block is the groove depth. The base 1 rotates one circle along the outer circle of the workpiece, and the maximum and minimum difference of the pointer is the coaxiality. The data is recorded, and the machined part is judged whether it is qualified or not directly, accurately and quickly.

[0020] The design structure is simple. By connecting the base 1 and the dial gauge 2 first to ensure that they are tightly combined, and then using the calibration block 3 to accurately zero, the precise measurement of the ring groove depth and coaxiality of the workpiece is realized. The whole operation process is simple and efficient, avoiding the complex steps of traditional measurement methods, greatly improving the detection efficiency and accuracy. The arc surface design of the base 1 enables it to tightly adhere to the surface of the workpiece, reducing measurement errors and ensuring the reliability of the data.

[0021] Further, a connecting hole 6 is provided on the connecting end 4, which connects the connecting end 4 and the calibration block 3. The connecting hole 6 communicates with the arc-shaped notch 6. The dial gauge 2 has a body part 7 and a dial needle part 9. The dial needle part 9 extends into the arc-shaped notch 6 through the connecting hole 6 and abuts against the calibration block 3. Specifically, in this embodiment, the diameter of the connecting hole 6 is slightly larger than the diameter of the dial needle part 9, ensuring that the dial needle 8 can move freely without jamming. After the dial needle part 9 extends into the arc-shaped notch 6 through the connecting hole 6, it tightly contacts the calibration block 3, thereby realizing accurate zeroing of the dial gauge 2. The design of the connecting hole 6 not only ensures the stability of the dial needle 8, but also facilitates subsequent maintenance and replacement. In addition, the material of the calibration block 3 is selected to have high hardness and wear resistance, ensuring that it can still maintain accurate calibration effect in the long-term use process. Through this ingenious structure design, not only the overall performance of the measuring tool is improved, but also the operation process is further simplified, so that even non-professionals can quickly master the use method.

[0022] Further, the connecting hole 6 is axially arranged on the connecting end 4, a locking hole 10 is arranged radially on the hole wall of the connecting hole 6, a locking screw 11 is arranged in the locking hole 10, and the locking screw 11 extends into the connecting hole 6 through the locking hole 10 and abuts against the pointer part 9 of the dial gauge 2. Specifically, in the embodiment, the pointer part 9 of the dial gauge 2 is fixed at a predetermined position in the connecting hole 6 by the locking screw 11, so that the displacement of the pointer part 9 during measurement is avoided, thereby improving the accuracy and stability of measurement. The design of the locking screw 11 not only facilitates the installation and adjustment of the pointer part 9, but also can maintain the fixed state of the pointer part 9 during long-term use, thereby reducing the error caused by loosening.

[0023] Further, the calibration block 3 has an arc surface part 12 and a plane part 13, the arc-shaped notch 6 is arranged on the arc surface part 12, and the curvature of the arc surface part 12 is consistent with the curvature of the arc surface connecting part 5. Specifically, in the embodiment, the arc surface part 12 of the calibration block 3 closely abuts against the arc surface connecting part 5 of the measuring tool, so that the stability and consistency during measurement are ensured. The plane part 13 provides a flat contact surface, thereby facilitating accurate calibration operation. The arrangement of the arc-shaped notch 6 enables the calibration block 3 to flexibly adapt to measuring objects of different sizes, thereby improving the convenience of use.

[0024] Further, the pointer part 9 is provided with a pointer 8 at the bottom end, the pointer 8 extends into the arc-shaped notch 6 and abuts against the calibration block 3, the pointer part 9 closely abuts against the inner wall of the connecting hole 6, and the pointer 8 is in clearance fit with the inner wall of the connecting hole 6.

[0025] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gauge for detecting the depth and concentricity of the outer circular groove of a plunger motor, characterized in that: The application relates to a base, a dial gauge and a calibration block, wherein the top end of the base is provided with a connecting end, the bottom of the base is provided with an arc connecting part, one end of the calibration block is connected to the base through the arc connecting part, an arc-shaped gap is formed on the end of the calibration block connected to the arc connecting part, and one end of the dial gauge is inserted into the arc-shaped gap through the connecting end and the base and is connected to the calibration block.

2. The gauge for detecting the depth and coaxiality of the outer circular groove of the plunger motor according to claim 1, characterized in that: A connecting hole is formed on the connecting end and the calibration block, the connecting hole is communicated with the arc-shaped gap, the dial gauge is provided with a body part and a needle part, and the needle part is inserted into the arc-shaped gap through the connecting hole and is connected to the calibration block.

3. The gauge for detecting the depth and coaxiality of the outer circular groove of the plunger motor according to claim 2, characterized in that: The connecting hole is arranged on the connecting end in an axial direction, a locking hole is formed on the hole wall of the connecting hole in a radial direction, a locking screw is arranged in the locking hole, and the locking screw is inserted into the connecting hole through the locking hole and is connected to the needle part of the dial gauge.

4. The gauge for detecting the depth and coaxiality of the outer circular groove of the plunger motor according to claim 1, characterized in that: The calibration block is provided with an arc part and a plane part, the arc-shaped gap is formed on the arc part, and the curvature of the arc part is consistent with the curvature of the arc connecting part.

5. The gauge for detecting the depth and coaxiality of the outer circular groove of the plunger motor according to claim 2, characterized in that: The bottom end of the needle part is provided with a needle, and the needle is inserted into the arc-shaped gap and is connected to the calibration block.

6. The gage for detecting the depth and coaxiality of the outer circular groove of the plunger motor according to claim 5, characterized in that: The needle part is tightly connected to the inner wall of the connecting hole, and the needle is connected to the inner wall of the connecting hole in a clearance fit.

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