Equipment for detecting sealing performance of O-shaped ring

Abstract

The utility model relates to the technical field of sealing detection, and provides O-shaped ring sealing performance detection equipment, which comprises a mounting plate, the top of the mounting plate is fixedly connected with a detection table, the top of the detection table is provided with an O-shaped ring, the top of the O-shaped ring is provided with a fixing assembly, and the O-shaped ring is provided with an opening. The top of the mounting plate is provided with a control mechanism which is used for providing driving force for the fixing assembly to press the O-shaped ring and carrying out sealing detection work on the top of the O-shaped ring. According to the utility model, the leakproofness is judged through the change of air pressure, very small pressure change can be accurately detected, the detection sensitivity is high, even very small leakage can be detected, higher accuracy and reliability are provided, and personal errors are avoided; according to the utility model, the O-shaped ring can be properly pressed before the sealing performance of the O-shaped ring is detected, so that the O-shaped ring is ensured to generate an effective sealing effect between the sealing contact surfaces, and whether the O-shaped ring can keep good sealing performance in the actual use process can be reflected more truly.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing detection technical field, specifically, relate to O type ring leakproofness detection equipment. BACKGROUND

[0002] The existing detection equipment is used, and the sealing ring is placed on the upper surface of the first empty pipe, and the position is paid attention to during placement, the sealing ring covers the top of the second empty pipe, the suction pump is opened to start suction to make the first empty pipe and the second empty pipe become hollow to fix the adsorption sealing ring, the third empty pipe is taken out, the through hole and the straight rod are observed, and the third empty pipe can be directly placed down through the straight rod penetrating the through hole after alignment, the lower surface of the third empty pipe is placed on the upper surface of the sealing ring, the air inlet pump is opened to start filling, and whether bubbles are generated around the sealing ring in the water storage tank is observed, if not, the sealing property is good, if bubbles are generated, it is unqualified, and the straight rod and the through hole can ensure that the device cannot be moved and dislocated to cause unexpected situations of the detection device.

[0003] The above-mentioned equipment depends on naked eye observation of bubbles to judge the sealing property during detection, and the main reason is that the sealing property is judged by observing the generation of bubbles, and the judgment depends on human vision, which is easily affected by factors such as the experience of the observer and environmental light, and small air leakage may not be displayed through bubbles, especially small cracks or very slow leakage, which easily affects the reliability of the sealing property detection, and therefore the O type ring leakproofness detection equipment is needed. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides O type ring leakproofness detection equipment, and solves the technical problems mentioned in the background art.

[0005] The technical scheme of the utility model is as follows: O type ring leakproofness detection equipment, including the mounting plate, the top of the mounting plate is fixedly connected with the detection table, the top of the detection table is provided with the O type ring, the top of the O type ring is provided with the fixed assembly, the top of the mounting plate is provided with the control mechanism for providing driving force for the fixed assembly, pressing the O type ring and carrying out sealing detection work on the top thereof;

[0006] The control mechanism includes the air pump fixed on the top of the mounting plate, the air outlet end of the air pump is fixedly communicated with the air guide pipe, the outer wall of the air guide pipe is fixedly communicated with the shunt pipe, the outer walls of the air guide pipe and the shunt pipe are fixedly installed with the valve, one end of the air guide pipe is fixedly communicated with the adjusting pipe, the inner wall of the detection table is fixedly communicated with the exhaust pipe, and the bottom end of the exhaust pipe is fixedly communicated with the air pressure gauge.

[0007] Preferably, the fixing component includes a telescopic component fixed to the bottom end of the diverter tube, the bottom end of the telescopic component is fixedly connected to a fastener frame, the inner wall of the fastener frame is fixedly connected to a detection cover for pressing the O-ring and forming a sealing detection area on its top, and the bottom end of the adjusting tube is fixedly connected to the inside of the detection cover.

[0008] Preferably, the diameter of the detection cover is the same as the diameter of the detection stage, and the O-ring is sandwiched between the detection cover and the detection stage.

[0009] Preferably, the telescopic assembly includes an air accumulator fixedly connected to the bottom end of the diverter pipe, a piston is slidably sleeved inside the air accumulator, a sliding assembly is provided inside the air accumulator to make the piston slide directionally along its inner wall, a push rod is fixedly connected to the bottom end of the piston, and the push rod is fixedly connected to the fastener frame.

[0010] Preferably, the sliding assembly includes two guide blocks fixed to the outer wall of the piston, and the inner wall of the air accumulator has two guide grooves vertically formed for the two guide blocks to slide up and down.

[0011] Preferably, the top of the mounting plate has two mounting ears symmetrically fixed around the detection cover. Each of the two mounting ears has a sliding rod fixedly installed on its inner top wall. The outer wall of the sliding rod is fitted with an elastic sheet, and the two ends of the elastic sheet are fixedly connected to the fastener frame and the sliding rod, respectively.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model judges the sealing performance by the change of air pressure, which can be accurate to very small pressure changes. It has high detection sensitivity and can detect even very small leaks, providing higher accuracy and reliability and avoiding human error.

[0014] 2. This utility model can properly compress the O-ring before the O-ring sealing performance test, ensuring that the O-ring produces an effective sealing effect between the sealing contact surfaces, thereby more realistically reflecting whether it can maintain good sealing performance in actual use. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a side view of the structure proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the rear view structure proposed in this utility model;

[0019] Figure 4 This is a partial cross-sectional view of the structure proposed in this utility model;

[0020] Figure 5 The present utility model proposes Figure 3 A magnified structural diagram of A in the middle;

[0021] Figure 6 The present utility model proposes Figure 4 A magnified structural diagram of B in the diagram.

[0022] In the diagram: 1. Mounting plate; 2. Testing platform; 3. O-ring; 4. Fixing assembly; 41. Air accumulator; 42. Push rod; 43. Piston; 44. Fastener frame; 45. Testing cover; 46. Mounting ear; 47. Slide rod; 48. Elastic sheet; 5. Control mechanism; 51. Air pump; 52. Air guide pipe; 53. Diverter pipe; 54. Valve; 55. Regulating pipe; 56. Exhaust pipe; 57. Pressure gauge. Detailed Implementation

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0024] Existing equipment relies on visual observation of air bubbles to determine sealing performance, which can lead to inaccurate assessments. This is primarily because relying on human visual judgment, such as the observer's experience and ambient lighting, makes it susceptible to errors. Furthermore, minute leaks, especially tiny cracks or very slow leaks, may not be detected by bubbles, thus compromising the reliability of the sealing test. Please refer to [link / reference]. Figures 1-6 This embodiment provides an O-ring sealing performance testing device, including a mounting plate 1, a testing platform 2 fixedly connected to the top of the mounting plate 1, and an O-ring 3 disposed on the top of the testing platform 2.

[0025] like Figures 2-6 As shown, small air bubbles or minute leaks may be difficult to detect, causing leaks to be overlooked and affecting the reliability of the sealing test. To improve the accuracy of the O-ring 3 sealing test, the following settings are made:

[0026] like Figures 2-6As shown, a fixing component 4 is provided on the top of the O-ring 3. The fixing component 4 includes a telescopic component fixed to the bottom end of the diverter pipe 53. A fastener frame 44 is fixedly connected to the bottom end of the telescopic component. The telescopic component includes an air accumulator 41 fixedly connected to the bottom end of the diverter pipe 53. An air vent is fixedly connected to the outer wall of the air accumulator 41. An air vent switch (not shown in the figure) is installed inside the air vent to move the detection cover 45 away from the O-ring 3 after the test. A piston 43 is slidably fitted inside the air accumulator 41. A sliding component is provided inside the air accumulator 41 to make the piston 43 slide along its inner wall. The sliding component includes two guide blocks fixed to the outer wall of the piston 43. Two guide blocks are vertically opened on the inner wall of the air accumulator 41 for the two guide blocks to slide on. The guide groove slides downwards. The bottom end of the piston 43 is fixedly connected to a push rod 42. The push rod 42 is fixedly connected to the fastener frame 44. The inner wall of the fastener frame 44 is fixedly connected to a detection cover 45 for pressing the O-ring 3 and forming a sealed detection area on its top. The bottom end of the adjusting tube 55 is fixedly connected to the inside of the detection cover 45. The diameter of the detection cover 45 is the same as the diameter of the detection table 2. The O-ring 3 is sandwiched between the detection cover 45 and the detection table 2. The top of the mounting plate 1 is symmetrically fixed with two mounting ears 46 around the detection cover 45. The inner top wall of each mounting ear 46 is fixedly installed with a slide rod 47. The outer wall of the slide rod 47 is fitted with an elastic piece 48. The two ends of the elastic piece 48 are fixedly connected to the fastener frame 44 and the slide rod 47, respectively.

[0027] like Figures 2-6 As shown, the top of the mounting plate 1 is provided with a control mechanism 5 for providing driving force to the fixing component 4 to press the O-ring 3 and perform sealing detection on its top. The control mechanism 5 includes an air pump 51 fixed to the top of the mounting plate 1. The air outlet of the air pump 51 is fixedly connected to an air guide pipe 52. The outer wall of the air guide pipe 52 is fixedly connected to a diverter pipe 53. Valves 54 are fixedly installed on the outer walls of both the air guide pipe 52 and the diverter pipe 53. One end of the air guide pipe 52 is fixedly connected to an adjusting pipe 55. The inner wall of the detection platform 2 is fixedly connected to an exhaust pipe 56. The bottom end of the exhaust pipe 56 is fixedly connected to a pressure gauge 57.

[0028] according to Figures 1-6When performing a sealing test on the O-ring 3, the O-ring 3 is first placed on top of the test platform 2. Next, the outer wall valve 54 of the air guide pipe 52 is closed, and the outer wall valve 54 of the diverter pipe 53 is opened. The air pump 51 is started, allowing gas to flow through the diverter pipe 53 into the air storage tank 41, pushing the piston 43 downwards. The downward movement of the piston 43 causes the push rod 42 to push the fastener frame 44 downwards, simultaneously moving the test cover 45 downwards, thereby compressing the O-ring 3. During the downward movement of the fastener frame 44, the elastic sheet 48 on the outer wall of the slide rod 47 is compressed; this setting helps the test cover 45 to reset after the test. After compression is complete, the outer wall valve 54 of the air guide pipe 52 is opened, and the outer wall valve 54 of the diverter pipe 53 is closed. At this time, the air pump 51 is restarted, and gas is introduced into the test cover 45 through the air guide pipe 52 and the regulating pipe 55 to test the airtightness of the O-ring 3. If the airtightness is good, the gas will be discharged into the pressure gauge 57 through the exhaust pipe 56 and maintain a certain pressure. If the airtightness is compromised, the pressure in the pressure gauge 57 will gradually decrease.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An O-ring sealing performance testing device, comprising a mounting plate (1), characterized in that, The top of the mounting plate (1) is fixedly connected to a test platform (2), the top of the test platform (2) is provided with an O-ring (3), the top of the O-ring (3) is provided with a fixing component (4), and the top of the mounting plate (1) is provided with a control mechanism (5) which provides driving force to the fixing component (4) to press the O-ring (3) and perform sealing test work on its top. The control mechanism (5) includes an air pump (51) fixed on the top of the mounting plate (1). The air outlet of the air pump (51) is fixedly connected to an air guide pipe (52). The outer wall of the air guide pipe (52) is fixedly connected to a diverter pipe (53). Valves (54) are fixedly installed on the outer walls of both the air guide pipe (52) and the diverter pipe (53). One end of the air guide pipe (52) is fixedly connected to an regulating pipe (55). The inner wall of the detection platform (2) is fixedly connected to an exhaust pipe (56). The bottom end of the exhaust pipe (56) is fixedly connected to a pressure gauge (57).

2. The O-ring sealing performance testing equipment according to claim 1, characterized in that, The fixing component (4) includes a telescopic component fixed to the bottom end of the diverter pipe (53). The bottom end of the telescopic component is fixedly connected to a fastener frame (44). The inner wall of the fastener frame (44) is fixedly connected to a detection cover (45) for pressing the O-ring (3) and forming a sealing detection area on its top. The bottom end of the adjusting pipe (55) is fixedly connected to the inside of the detection cover (45).

3. The O-ring sealing performance testing equipment according to claim 2, characterized in that, The diameter of the detection cover (45) is the same as the diameter of the detection table (2), and the O-ring (3) is sandwiched between the detection cover (45) and the detection table (2).

4. The O-ring sealing performance testing equipment according to claim 2, characterized in that, The telescopic assembly includes an air accumulator (41) fixedly connected to the bottom end of the diverter pipe (53). A piston (43) is slidably sleeved inside the air accumulator (41). A sliding assembly is provided inside the air accumulator (41) to allow the piston (43) to slide directionally along its inner wall. A push rod (42) is fixedly connected to the bottom end of the piston (43). The push rod (42) is fixedly connected to the fastener frame (44).

5. The O-ring sealing performance testing device according to claim 4, characterized in that, The sliding assembly includes two guide blocks fixed to the outer wall of the piston (43), and the inner wall of the air accumulator (41) has two guide grooves vertically provided for the two guide blocks to slide up and down.

6. The O-ring sealing performance testing equipment according to claim 1, characterized in that, The top of the mounting plate (1) is symmetrically fixed with two mounting ears (46) centered on the detection cover (45). The inner top walls of the two mounting ears (46) are fixedly mounted with slide rods (47). The outer wall of the slide rods (47) is fitted with elastic pieces (48). The two ends of the elastic pieces (48) are fixedly connected to the fastener frame (44) and the slide rods (47) respectively.

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