High-precision piston ring detection equipment
By designing a high-precision piston ring testing device and utilizing airtightness testing and a water injection mechanism, the problem of difficult sealing testing of piston rings before use has been solved. This enables the sealing testing of piston rings under complex working conditions, ensuring their stable operation under high temperature, high pressure and friction environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-27
AI Technical Summary
In the existing technology, it is difficult to perform sealing tests on high-precision piston rings before use, which makes it impossible to ensure their sealing effect under complex working conditions.
A high-precision piston ring testing device was designed, comprising an airtightness testing mechanism and a water filling mechanism. Through the cooperation of components such as an electric telescopic rod, a sealing plate, and a pressure block, the device can detect the airtightness and flow leakage of piston rings.
It enables stable sealing performance testing of piston rings under complex working conditions such as high temperature, high pressure and friction, ensuring that piston rings meet sealing requirements before use.
Smart Images

Figure CN224051530U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to piston ring technical field especially relates to a high accuracy piston ring detection equipment. BACKGROUND
[0002] High accuracy piston ring is a kind of key components for internal combustion engine (such as automobile engine, marine engine etc.), its main function is to seal the gap between cylinder and piston, to prevent gas leakage and ensure that engine runs efficiently. High accuracy piston ring plays a vital role in improving engine performance, reducing wear and tear, prolonging engine life and so on.
[0003] According to a kind of piston ring (announcement number for: CN 215634925U): including piston ring body, the inner side of the both ends of piston ring body is equipped with protrusion and boss, and the end of protrusion and the tail end of boss are left with gap;The upper ring surface of piston ring body is equipped with several grooves;The outer ring wall of piston ring body is equipped with several oil storage groove;Several through holes are on the groove bottom of oil storage groove.
[0004] In the above patent, through the mutual cooperation of piston ring body and boss assembly, it is difficult to solve the function of sealing detection of piston ring before use, so that piston ring does not know whether to meet the work demand before use, therefore we propose a kind of high accuracy piston ring detection equipment. INVENTION CONTENTS
[0005] The technical problem to be solved by the utility model is that in the prior art, it is difficult to solve the sealing detection of piston ring before use, therefore we propose a kind of high accuracy piston ring detection equipment.
[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a kind of high accuracy piston ring detection equipment, including workbench: the bottom of workbench is fixedly connected with supporting leg, the top of workbench is fixedly connected with mounting bracket, the top of workbench is provided with piston ring, the top of workbench is provided with air-tightness test mechanism;
[0007] Air-tightness test mechanism includes electric telescopic rod, the top of electric telescopic rod is fixedly connected in the inside of mounting bracket, the telescopic end of electric telescopic rod is fixedly connected with sealing plate, the bottom of sealing plate is fixedly connected with pressure block, the side of mounting bracket is fixedly connected with fixed plate, one end of fixed plate is fixedly connected with placing box, the inside of placing box is fixedly connected with positioning column.
[0008] Preferably, the inside of placing box is fixedly connected with sleeve, the inside of sleeve is fixedly connected with telescopic rod, the bottom of placing box is provided with detection hole, and the purpose is to push the piston ring after detection out.
[0009] Preferably, the top of the sleeve is fixedly connected with a reset spring, one end of the reset spring away from the top of the sleeve is fixedly connected with the circumferential surface of the telescopic rod, which ensures that the telescopic rod can be automatically reset and reduces manual intervention.
[0010] Preferably, the number of the sleeve, the telescopic rod and the reset spring is two, and the sleeve, the telescopic rod and the reset spring are mutually symmetrical along the vertical central axis of the placing box, which improves the pushing effect.
[0011] Preferably, the top of the workbench is provided with a water adding mechanism, the water adding mechanism comprises a pressing rod, one end of the pressing rod is fixedly connected with the telescopic end of the electric telescopic rod, the top of the workbench is fixedly connected with a water tank, the inside of the water tank is slidably connected with a pressing plate, the top of the pressing plate is fixedly connected with a stress rod, the circumferential surface of the stress rod is through the top of the water tank, the side of the water tank is fixedly and throughly provided with a conveying pipe, one end of the conveying pipe away from the side of the water tank is fixedly and throughly connected with the side of the placing box, and the water adding mechanism adds water in the placing box to improve the detection effect.
[0012] Preferably, the top of the water tank is fixedly connected with a compression spring, one end of the compression spring away from the top of the water tank is fixedly connected with the circumferential surface of the stress rod, which ensures that the stress rod can be automatically reset and reduces manual intervention.
[0013] Preferably, one end of the stress rod is located on the displacement track of the pressing rod, which ensures that the movement of the pressing rod can press the stress rod.
[0014] The technical effects and advantages of the utility model are as follows:
[0015] In the utility model, through the cooperation among the electric telescopic rod, the pressing block and the positioning column and other components of the air tightness testing mechanism, when the piston ring is needed, the staff places the piston ring on the top of the placing box through the positioning column before use, then the staff starts the electric telescopic rod, so that the sealing plate moves to drive the pressing block to move downwards, the piston ring is pushed, the piston ring is pressed to the telescopic rod, the telescopic rod is pressed into the sleeve, and the piston ring enters the placing box for detection, which achieves the effect of air tightness detection of the piston ring and ensures that the piston ring can work stably under complex working conditions such as high temperature, high pressure and friction.
[0016] The utility model discloses a water tank, conveying pipe and compression spring etc. component between the mutual cooperation of water adding mechanism, the telescopic rod of electric telescopic rod moves down and drives the presser bar to move simultaneously, and the presser bar promotes the force bar, and the force bar force drives the extrusion plate to move in the water tank inside, and the water in the water tank inside enters the conveying pipe inside through the extrusion force, and the water in the conveying pipe inside enters the inside of the placing box, and is conveyed to the piston ring top, and at this time, the leakage flow of the piston ring is tested through the pressure block and water, and the design reaches the effect of the flow leakage detection of the piston ring, and the sealing effect of the piston ring can be judged effectively again. BRIEF DESCRIPTION OF DRAWINGS
[0017] The disclosure of the utility model will be explained with reference to the drawings. It should be appreciated that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the utility model. In the drawings, the same reference signs are used to refer to the same parts:
[0018] Figure 1 It is a high-precision piston ring detection equipment overall three-dimensional appearance front view structure schematic diagram of the utility model;
[0019] Figure 2 It is a high-precision piston ring detection equipment overall three-dimensional appearance front view structure schematic diagram of the utility model;
[0020] Figure 3 It is a high-precision piston ring detection equipment overall three-dimensional appearance side view structure schematic diagram of the utility model;
[0021] Figure 4 It is a high-precision piston ring detection equipment of the utility model Figure 2 It is a high-precision piston ring detection equipment overall three-dimensional appearance front view structure schematic diagram of the utility model;
[0022] Figure 5 It is a high-precision piston ring detection equipment overall three-dimensional appearance front view structure schematic diagram of the utility model; Figure 3 It is a high-precision piston ring detection equipment overall three-dimensional appearance front view structure schematic diagram of the utility model.
[0023] Legend: 1, workbench, 2, support foot, 3, mounting frame, 4, piston ring, 5, air tightness test mechanism, 51, electric telescopic rod, 52, sealing plate, 53, pressure block, 54, fixed plate, 55, placing box, 56, positioning column, 57, sleeve, 58, telescopic rod, 59, detection hole, 510, return spring, 6, water adding mechanism, 61, presser bar, 62, water tank, 63, extrusion plate, 64, force bar, 65, conveying pipe, 66, compression spring. DETAILED DESCRIPTION
[0024] It is easy to understand that according to the technical scheme of the utility model, a plurality of structure modes and implementation modes which can be replaced with each other can be proposed by the general skilled in the art without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as the whole of the utility model or regarded as the limitation or restriction of the technical scheme of the utility model.
[0025] Referring to Figures 1-5 The utility model provides a kind of technical scheme: a kind of high-precision piston ring detection equipment, including workbench 1: the bottom of workbench 1 is fixedly connected with support leg 2, the top of workbench 1 is fixedly connected with mounting bracket 3, the top of workbench 1 is provided with piston ring 4, the top of workbench 1 is provided with air-tightness test mechanism 5;
[0026] Air-tightness test mechanism 5 includes electric telescopic rod 51, the top of electric telescopic rod 51 is fixedly connected in the inside of mounting bracket 3, the telescopic end of electric telescopic rod 51 is fixedly connected with sealing plate 52, the bottom of sealing plate 52 is fixedly connected with pressure block 53, the side of mounting bracket 3 is fixedly connected with fixed plate 54, one end of fixed plate 54 is fixedly connected with placing box 55, the inside of placing box 55 is fixedly connected with positioning column 56.
[0027] The inside of placing box 55 is fixedly connected with sleeve 57, the inside of sleeve 57 is fixedly connected with telescopic rod 58, the bottom of placing box 55 is provided with detection hole 59, and the purpose is to push out the piston ring 4 after detection.
[0028] The top of sleeve 57 is fixedly connected with return spring 510, one end of return spring 510 away from the top of sleeve 57 is fixedly connected with the circumferential surface of telescopic rod 58, and the purpose is to ensure that telescopic rod 58 can be automatically reset, and reduce manual intervention.
[0029] The number of sleeve 57, telescopic rod 58 and return spring 510 is two, sleeve 57, telescopic rod 58 and return spring 510 are mutually symmetrical along the vertical central axis of placing box 55, and the purpose is to improve the pushing effect.
[0030] The top of workbench 1 is provided with water adding mechanism 6, water adding mechanism 6 includes pressing rod 61, one end of pressing rod 61 is fixedly connected in the telescopic end of electric telescopic rod 51, the top of workbench 1 is fixedly connected with water tank 62, the inside of water tank 62 is slidably connected with extrusion plate 63, the top of extrusion plate 63 is fixedly connected with stress rod 64, the circumferential surface of stress rod 64 is fixedly connected with the top of water tank 62, the side of water tank 62 is fixedly connected with conveying pipe 65, one end of conveying pipe 65 away from the side of water tank 62 is fixedly connected with the side of placing box 55, and the function of water adding mechanism 6 is to add water in placing box 55, to improve detection effect.
[0031] The top of the water tank 62 is fixedly connected with a compression spring 66, one end of the compression spring 66 away from the top of the water tank 62 is fixedly connected with the circumferential surface of the force receiving rod 64, and the purpose is to ensure that the force receiving rod 64 can be automatically reset and reduce manual intervention.
[0032] One end of the force receiving rod 64 is located on the displacement track of the pressing rod 61, and the purpose is to ensure that the movement of the pressing rod 61 can press the force receiving rod 64.
[0033] Working principle: when the piston ring 4 needs to be used, the worker places the piston ring 4 on the top of the placing box 55 through the positioning column 56 before use, and then the worker starts the electric telescopic rod 51, the telescopic end of the electric telescopic rod 51 moves downward, the downward movement of the electric telescopic rod 51 drives the sealing plate 52 to move downward, the sealing plate 52 is sealed with the placing box 55 during the movement, and the movement of the sealing plate 52 drives the pressing block 53 to move downward, so as to push the piston ring 4, the piston ring 4 is stressed to extrude the telescopic rod 58, the telescopic rod 58 is stressed to enter the sleeve 57, so that the piston ring 4 enters the inside of the placing box 55 for air tightness detection, when the detection is completed, the telescopic end of the electric telescopic rod 51 moves upward, at this time the telescopic rod 58 is reset through the elasticity of the reset spring 510, so that the piston ring 4 after detection is pushed out of the inside of the placing box 55, the telescopic rod of the electric telescopic rod 51 moves downward at the same time to drive the pressing rod 61 to move, the pressing rod 61 moves to extrude the force receiving rod 64 during the movement, the force receiving rod 64 is stressed to drive the extrusion plate 63 to move in the water tank 62, the extrusion plate 63 moves to extrude the water in the water tank 62, the water in the water tank 62 enters the inside of the conveying pipe 65, the water in the conveying pipe 65 enters the inside of the placing box 55 and is conveyed to the top of the piston ring 4, at this time the piston ring 4 is sealed and detected by the water through the pressing block 53, and the worker detects the effect through the detection hole 59 penetrating the piston ring 4.
[0034] The technical scope of the utility model is not limited to the content in the above description, and those skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.
Claims
1. A high precision piston ring inspection apparatus, characterized by, Including workbench: the bottom of workbench is fixedly connected with supporting leg, the top of workbench is fixedly connected with mounting bracket, the top of workbench is provided with piston ring, the top of workbench is provided with air tightness testing mechanism; The air tightness testing mechanism includes an electric telescopic rod, the top of the electric telescopic rod is fixedly connected inside the mounting bracket, the telescopic end of the electric telescopic rod is fixedly connected with a sealing plate, the bottom of the sealing plate is fixedly connected with a pressure block, the side of the mounting bracket is fixedly connected with a fixed plate, one end of the fixed plate is fixedly connected with a placing box, the inside of the placing box is fixedly connected with a positioning column.
2. A high precision piston ring inspection apparatus according to claim 1, characterized in that: The inside of the placing box is fixedly connected with a sleeve, the inside of the sleeve is fixedly connected with a telescopic rod, and the bottom of the placing box is provided with a detection hole.
3. A high precision piston ring inspection apparatus as claimed in claim 2, characterized in that: The top of the sleeve is fixedly connected with a return spring, and one end of the return spring away from the top of the sleeve is fixedly connected with the circumferential surface of the telescopic rod.
4. A high precision piston ring inspection apparatus as claimed in claim 3, characterized in that: The number of the sleeve, telescopic rod and return spring is two, and the sleeve, telescopic rod and return spring are mutually symmetrical along the vertical central axis of the placing box.
5. A high precision piston ring inspection apparatus as claimed in claim 4, characterized in that: The top of the workbench is provided with a water adding mechanism, the water adding mechanism includes a pressing rod, one end of the pressing rod is fixedly connected with the telescopic end of the electric telescopic rod, the top of the workbench is fixedly connected with a water tank, the inside of the water tank is slidably connected with a pressing plate, the top of the pressing plate is fixedly connected with a stress rod, the circumferential surface of the stress rod is through the top of the water tank, the side of the water tank is fixedly provided with a conveying pipe, and one end of the conveying pipe away from the side of the water tank is fixedly through the side of the placing box.
6. A high precision piston ring inspection apparatus as claimed in claim 5, characterized in that: The top of the water tank is fixedly connected with a compression spring, and one end of the compression spring away from the top of the water tank is fixedly connected with the circumferential surface of the stress rod.
7. A high precision piston ring inspection apparatus as claimed in claim 6, characterized in that: One end of the stress rod is located on the displacement track of the pressing rod.
Citation Information
Patent Citations
Piston ring
CN215634925U