Piston half-length detection tool

By designing a piston half-length inspection fixture and utilizing a combination of calibration, support, fixing, and measurement mechanisms, the problems of low manual inspection speed and difficulty in ensuring accuracy in existing technologies have been solved, achieving efficient and accurate piston half-length inspection.

CN223636760UActive Publication Date: 2025-12-05SHANDONG HUICHUAN AUTO PARTS
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520044952.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-05
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In existing technologies, piston half-length detection relies on manual operation, which results in low detection speed, high labor intensity, and difficulty in guaranteeing accuracy.

Method used

A piston half-length inspection fixture was designed, including a calibration mechanism, a support mechanism, a fixing mechanism, and a measuring mechanism. Automated inspection is achieved through the combined use of the calibration, support, fixing, and measuring mechanisms.

Benefits of technology

It improved testing efficiency, reduced measurement errors, ensured measurement accuracy, and reduced the workload of staff.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223636760U_ABST
    Figure CN223636760U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of piston detection, in particular to a piston half-length detection tool, which is convenient to use and quick to operate by a worker, improves the working efficiency, ensures the measurement accuracy and reduces the occurrence of measurement errors. Comprising a calibration mechanism; the device further comprises a supporting mechanism, a fixing mechanism and a measuring mechanism, the supporting mechanism is installed on the calibration mechanism and used for supporting the piston, the fixing mechanism is installed on the calibration mechanism and used for clamping and fixing the piston, and the measuring mechanism is installed on the calibration mechanism and used for measuring the piston.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of piston detection, particularly to a piston half-length detection gauge. BACKGROUND

[0002] The piston is located in the cylinder, and the top and bottom thereof are connected with the cylinder head and the cylinder body respectively, when the engine is running, the piston makes reciprocating motion in the cylinder, and converts the gas pressure generated by fuel combustion into thrust on the piston, and then drives the crankshaft to rotate and outputs power.

[0003] The existing internal combustion engine piston, for example, the utility model patent with the application number 202220031029.6 discloses an internal combustion engine piston convenient to install, the main structure of which comprises an internal combustion engine piston, an installation strip installed on the outer wall of the piston, a buckle installed at one end of the installation strip, a clamping groove opened at the other end of the installation strip, an installation plate installed at the top end of the installation strip, a snap fastener installed at the top end of the installation plate, a snap fastener groove opened at the top end of the installation plate, a threaded sleeve installed on the outer wall of the connecting rod bolt, a rubber sleeve installed on the outer wall of the threaded sleeve, a connecting rod top end installed inside the piston, and a connecting rod bolt installed at the bottom end of the connecting rod top end.

[0004] However, most factories still rely on manual detection of the half-length of the manufactured piston, which has a low detection rate, a large labor intensity of the workers, and is difficult to ensure the detection accuracy, and is prone to detection errors. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a piston half-length detection gauge which is not only convenient to use, fast to operate for the workers, improves the work efficiency, ensures the measurement accuracy, and reduces the occurrence of measurement errors.

[0006] The piston half-length detection gauge of the utility model comprises a calibration mechanism, a supporting mechanism, a fixing mechanism and a measuring mechanism, the supporting mechanism is installed on the calibration mechanism and supports the piston, the fixing mechanism is installed on the calibration mechanism and clamps and fixes the piston, and the measuring mechanism is installed on the calibration mechanism and measures the piston, first, the calibration mechanism is used to calibrate the measuring mechanism, then the piston to be measured is placed on the supporting mechanism, the fixing mechanism is used to press and fix the piston, and then the measuring mechanism is used to measure and detect the piston.

[0007] Preferably, the calibration mechanism comprises a base plate, four sets of supporting legs, a gauge fixing frame and a half-length standard gauge, the bottom end of the base plate is connected with the top end of the four sets of supporting legs, the bottom end of the four sets of supporting legs is connected with the working surface, the bottom end of the gauge fixing frame is connected with the top end of the base plate, two sets of grooves are formed in the gauge fixing frame, and the half-length standard gauge is placed in the grooves of the gauge fixing frame; before measurement, the staff takes out the half-length standard gauge from the grooves of the gauge fixing frame, places the half-length standard gauge on the supporting mechanism to calibrate the measuring mechanism, ensures the measurement accuracy of the measuring mechanism, and then inserts the half-length standard gauge into the grooves of the gauge fixing frame.

[0008] Preferably, the supporting mechanism comprises a left V-shaped block, a right V-shaped block, a fixing seat, a movable block and a spring, the bottom end of the left V-shaped block is connected with the top end of the base plate, the bottom end of the right V-shaped block is connected with the top end of the base plate, the bottom end of the fixing seat is connected with the top end of the base plate, a sliding groove is formed in the fixing seat, the movable block is slidingly installed in the sliding groove of the fixing seat, the bottom end of the spring is connected with the top end of the base plate, and the top end of the spring is connected with the bottom end of the movable block; the staff places the piston on the left V-shaped block and the right V-shaped block, and the piston extrudes the movable block and the spring downwards to position the piston through the movable block.

[0009] Preferably, the fixing mechanism comprises a quick clamp fixing frame and a quick clamp, the bottom end of the quick clamp fixing frame is connected with the top end of the base plate, and the quick clamp is installed on the quick clamp fixing frame; the staff presses the quick clamp to fix the piston, so that the piston extrudes the movable block and the spring downwards and is fixed and clamped by the movable block.

[0010] Preferably, the measuring mechanism comprises a dial gauge fixing frame and a dial gauge, the bottom end of the dial gauge fixing frame is connected with the top end of the base plate, and the dial gauge is installed on the dial gauge fixing frame; the dial gauge is in contact with the end surface of the piston to detect the half length of the piston.

[0011] Compared with the prior art, the utility model has the advantages that first, the calibration mechanism is used to calibrate the measuring mechanism, then the piston to be measured is placed on the supporting mechanism, the fixing mechanism is used to press and fix the piston, and then the measuring mechanism is used to measure and detect the piston. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the axonometric structure schematic view of the utility model;

[0013] Figure 2 is the axonometric structure schematic view of the calibration mechanism and the measuring mechanism of the utility model;

[0014] Figure 3 is the local enlarged axonometric structure schematic view of the supporting mechanism of the utility model;

[0015] Figure 4 is the local enlarged sectional axonometric structure schematic view of the supporting mechanism of the utility model;

[0016] Figure 5 Figure 3 is a schematic view of the shaft measurement structure of the fixing mechanism of the present application.

[0017] Marked in the drawing: 01, calibration mechanism; 11, bottom plate; 12, support leg; 13, pair of rules fixing frame; 14, half-length standard pair of rules; 02, support mechanism; 21, left V-shaped block; 22, right V-shaped block; 23, fixed seat; 24, movable block; 25, spring; 03, fixing mechanism; 31, quick clamp fixing frame; 32, quick clamp; 04, measurement mechanism; 41, micrometer fixed frame; 42, micrometer. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] Example 1

[0020] The utility model discloses a piston half length detection gauge, including calibration mechanism 01, still include support mechanism 02, fixed establishment 03 and measuring mechanism 04, support mechanism 02 install on calibration mechanism 01 and support piston, fixed establishment 03 install on calibration mechanism 01 and carry out the clamping fixed of piston, measuring mechanism 04 install on calibration mechanism 01 and carry out the measurement of piston, calibration mechanism 01 includes bottom plate 11, four groups of support leg 12, to rule fixed support 13 and half length standard pair of rules 14, and the bottom of bottom plate 11 is connected with the top of four groups of support leg 12, and the bottom of four groups of support leg 12 is connected with the working surface, and the bottom of to rule fixed support 13 is connected with the top of bottom plate 11, and two groups of recesses are opened on to rule fixed support 13, and half length standard pair of rules 14 are placed in the recess of to rule fixed support 13, support mechanism 02 includes left V -shaped block 21, right V -shaped block 22, fixed seat 23, movable block 24 and spring 25, and the bottom of left V -shaped block 21 is connected with the top of bottom plate 11, and the bottom of right V -shaped block 22 is connected with the top of bottom plate 11, and the bottom of fixed seat 23 is connected with the top of bottom plate 11, and the sliding slot is opened in fixed seat 23, and movable block 24 is slidably installed in the sliding slot of fixed seat 23, and the bottom of spring 25 is connected with the top of bottom plate 11, and the top of spring 25 is connected with the bottom of movable block 24, fixed establishment 03 includes quick -clamp fixed support 31 and quick -clamp 32, and the bottom of quick -clamp fixed support 31 is connected with the top of bottom plate 11, and quick -clamp 32 is installed on quick -clamp fixed support 31, when its work, first, before measurement, staff takes half length standard pair of rules 14 from the recess of to rule fixed support 13, places half length standard pair of rules 14 on support mechanism 02 and checks measuring mechanism 04, guarantees the measurement accuracy of measuring mechanism 04, then inserts half length standard pair of rules 14 in the recess of to rule fixed support 13, and staff places piston on left V -shaped block 21 and right V -shaped block 22, and movable block 24 positions piston, and staff presses quick -clamp 32 and fixes piston, and makes piston extrude movable block 24 and spring 25 downwards, and then utilizes measuring mechanism 04 and measures piston.

[0021] Example 2

[0022] As Figures 1 to 5As shown, the piston half-length detection gauge is based on the embodiment 1; the measuring mechanism 04 comprises a micrometer fixed frame 41 and a micrometer 42, the bottom end of the micrometer fixed frame 41 is connected with the top end of the bottom plate 11, the micrometer 42 is installed on the micrometer fixed frame 41; during its working, firstly, before the measurement starts, the staff takes out the half-length standard pair of gauges 14 from the groove of the pair of gauge fixed frame 13, places the half-length standard pair of gauges 14 on the supporting mechanism 02 to check the measuring mechanism 04, ensures the measurement accuracy of the measuring mechanism 04, then inserts the half-length standard pair of gauges 14 into the groove of the pair of gauge fixed frame 13, the staff places the piston on the left V-shaped block 21 and the right V-shaped block 22, the piston is positioned by the piston block 24, the staff presses the fast clamping 32 to fix the piston, the piston is downwardly extruded on the piston block 24 and the spring 25, the piston is fixed and clamped by the piston block 24, the micrometer 42 is in contact with the piston end face, and the half-length of the piston is detected.

[0023] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, on the premise of not departing from the technical principle of the utility model, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.

Claims

1. A piston half-length detection gauge, comprising a calibration mechanism (01); characterized in that, Also include support mechanism (02), fixed mechanism (03) and measuring mechanism (04), support mechanism (02) is installed on the calibration mechanism (01) and support the piston, fixed mechanism (03) is installed on the calibration mechanism (01) and clamping fixed on the piston, measuring mechanism (04) is installed on the calibration mechanism (01) and measures the piston.

2. The piston half length detection gauge according to claim 1, wherein The calibration mechanism (01) includes a bottom plate (11), four groups of support legs (12), a gauge fixing frame (13) and a half-length standard gauge (14), the bottom end of the bottom plate (11) is connected with the top end of the four groups of support legs (12), the bottom end of the four groups of support legs (12) is connected with the working surface, the bottom end of the gauge fixing frame (13) is connected with the top end of the bottom plate (11), two groups of grooves are opened on the gauge fixing frame (13), and the half-length standard gauge (14) is placed in the groove of the gauge fixing frame (13).

3. The piston half length detection gauge according to claim 2, wherein The support mechanism (02) includes a left V-shaped block (21), a right V-shaped block (22), a fixed seat (23), a movable block (24) and a spring (25), the bottom end of the left V-shaped block (21) is connected with the top end of the bottom plate (11), the bottom end of the right V-shaped block (22) is connected with the top end of the bottom plate (11), the bottom end of the fixed seat (23) is connected with the top end of the bottom plate (11), a sliding slot is opened in the fixed seat (23), the movable block (24) is slidingly installed in the sliding slot of the fixed seat (23), the bottom end of the spring (25) is connected with the top end of the bottom plate (11), and the top end of the spring (25) is connected with the bottom end of the movable block (24).

4. The piston half length detection gauge according to claim 2, wherein The fixed mechanism (03) includes a quick clamp fixing frame (31) and a quick clamp (32), the bottom end of the quick clamp fixing frame (31) is connected with the top end of the bottom plate (11), and the quick clamp (32) is installed on the quick clamp fixing frame (31).

5. The piston half length detection gauge of claim 2, wherein, The measuring mechanism (04) includes a micrometer fixing frame (41) and a micrometer (42), the bottom end of the micrometer fixing frame (41) is connected with the top end of the bottom plate (11), and the micrometer (42) is installed on the micrometer fixing frame (41).

Citation Information

Patent Citations

  • Internal combustion engine piston convenient to install

    CN216406988U