CN219015576U

CN219015576U - Sealing element sealing performance evaluation device

Info

Publication number: CN219015576U
Application number: CN202223221676.2U
Authority: CN
Inventors: 刘剑; 刘艳芳; 周晓瑜; 肖建军; 王冲文; 戈帆; 赵远荣
Original assignee: Yunnan North Optical & Electron Instrument Co ltd
Current assignee: Yunnan North Optical & Electron Instrument Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-12
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of sealing element tightness detection, and discloses a sealing element tightness evaluation device which comprises a shell, wherein a sealing detection device is arranged on the upper surface of the shell, a sealing element body is rapidly arranged for testing through the sealing detection device, the shell, a gas tank and a pressure sensor, so that the test time is shortened, the efficiency of a test is improved, and the greater the detected air pressure is reduced through the pressure sensor, a data transmission module and a pressure recording instrument, the poorer the sealing performance of the sealing element is, the reliability of a test result is greatly improved, and the overall quality requirement and the labor intensity of test personnel are reduced; the sustainable detection of the evaluation device is realized, and meanwhile, each component is transmitted and controlled through the controller, so that the air pressure change of the inner cavity of the shell is monitored in real time, the leakage phenomenon in the middle of manual detection is avoided, the leakage phenomenon cannot be found in time, and the detection and evaluation error of the sealing element is reduced.

Description

Sealing element sealing performance evaluation device

Technical Field

The utility model belongs to the technical field of sealing element tightness detection, and particularly relates to a sealing element tightness evaluation device.

Background

The sealing member is a material or a part of a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from entering into the machine equipment, and the sealing member for the domestic and foreign oil-filled power equipment comprises sealing products such as acrylic rubber, nitrile rubber, fluororubber, fluorosilicone rubber, hydrogenated nitrile rubber and the like, and different types of rubber sealing members have different physicochemical properties, suitable environments, suitable equipment and suitable media. The sealing effect is related to the material of the sealing element, the installation condition and the use temperature of the sealing element, and the sealing performance of the same sealing material is also different under different conditions of the use temperature, the compression ratio, the filling rate and the like.

The existing test detection method mainly focuses on the detection of material performance, and the method and means for judging the leakage monitoring of the sealing element mainly take artificial active detection, and have the following defects: the process of equipment sealing member testing arrangement is comparatively loaded down with trivial details, and test efficiency is low to be difficult to discover the sealing defect under the difficult condition of observing or having slight leakage in inside sealing medium, again because leak detection is higher to ambient temperature and time requirement, and the test required time is longer, if leak the phenomenon takes place midway, can't in time discover, waste time, can't be accurate discover leak opportunity, be unfavorable for the analysis to sealing member performance.

Therefore, we propose a sealing member sealing performance evaluation device to solve the problem that exists among the prior art, detect the sealing performance of sealing member through equipment, it is higher to the dismouting efficiency of sealing member, adds the test of temperature environment and time simultaneously, detects the sealing member, compares in manual check, and the data that mechanical equipment detected is more accurate, avoids manual check to produce great error.

Disclosure of Invention

The utility model aims to provide a sealing performance evaluation device for sealing elements, which aims to solve the problems that in the prior art, assembly is complicated, testing efficiency is low, influences of temperature and time on the sealing elements cannot be detected, the detection efficiency on the sealing elements is low, and the detected sealing performance error value is large.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sealing performance evaluation device for the sealing element comprises a shell, wherein a sealing detection device is arranged on the upper surface of the shell, a control panel and a pressure recording instrument are arranged on one side of the shell, a wireless induction area is formed on one side of the shell, a bottom plate is arranged at the bottom of an inner cavity of the shell, a protection frame, a power supply body, a wireless charging module and a data transmission module are arranged on the upper surface of the bottom plate, and the power supply body is arranged on the inner side of the protection frame;

the sealing detection device comprises a bottom ring and a sealing cover, a first sealing groove is formed in the upper surface of the bottom ring, a second sealing groove is formed in the lower surface of the sealing cover, a sealing piece body is embedded between the first sealing groove and the second sealing groove, a pressure sensor is arranged on one side of an inner cavity of the shell, and a temperature sensor and a heating wire are arranged at the top of the inner cavity of the shell.

Preferably, the power supply body is respectively and electrically connected with the controller, the data transmission module, the wireless charging module, the control panel, the temperature sensor and the pressure sensor, the pressure sensor is electrically connected with the pressure recording instrument, and the temperature sensor and the pressure sensor are electrically connected with the control panel.

Preferably, the through hole has been seted up to the casing and the relative one side of control panel, and the casing is installed with the relative one side of control panel, sealing block upper surface installs the check valve, the air vent has been seted up to one side of sealing block, and the one end intercommunication of air vent has the air duct, and the solenoid valve is installed to the lateral wall of air duct, the one end intercommunication that the sealing block was kept away from to the air duct has the gas pitcher.

Preferably, the electromagnetic valve is electrically connected with the controller, the gas in the gas tank is nitrogen, and the gas guide pipe is communicated with the inner cavity of the shell through the vent hole and the through hole.

Preferably, the power supply body is electrically connected with the heating wire, the heating wire is electrically connected with the temperature sensor, the heating wire is fixed at the top of the inner cavity of the shell through a plurality of groups of positioning pieces, the heating wire is in an annular arrangement, the upper surface of the shell is provided with a pressure measuring hole, and the inner diameter of the heating wire is larger than that of the pressure measuring hole.

Preferably, the casing is articulated with the control panel opposite side through the hinge has the access door, and one side of access door has seted up first mounting groove, and first mounting groove is embedded to have first rubber circle, the second circular slot that supplies the access door embedding is seted up to the same one side of casing and access door, and first circular slot has been seted up to the bottom of second circular slot, and the internal diameter of first circular slot is less than the internal diameter of second circular slot.

Preferably, the bottom of second circular slot has been seted up the second mounting groove, and the second mounting groove is embedded to have the second rubber circle, first rubber circle is inconsistent with the second rubber circle, and the internal diameter of first rubber circle is the same with the internal diameter of second rubber circle, and the internal diameter of second rubber circle is greater than the external diameter of first circular slot, the casing is articulated with the opposite one side of control panel has the retaining member.

Preferably, the side wall integrated into one piece of bottom ring has multiunit first locating piece, and all is provided with the lug to the upper surface of group locating piece, and the upper surface of lug has seted up first locating hole, multiunit first locating piece is equiangular setting.

Preferably, the side wall integrated into one piece of closing cap has multiunit second locating piece, and the lower surface of multiunit second locating piece has all seted up flutedly, and the recess agrees with the shape of lug, multiunit second locating hole has all been seted up to the upper surface of second locating piece, multiunit second locating piece and multiunit first locating piece pass through set screw and multiunit first locating hole and multiunit second locating hole threaded connection respectively.

Compared with the prior art, the sealing performance evaluation device for the sealing element provided by the utility model has the following advantages:

1. according to the sealing detection device, the shell, the gas tank and the pressure sensor, the sealing element body is rapidly installed for testing, the test time is shortened, the efficiency of the test is improved, the greater the detected air pressure is reduced through the pressure sensor, the data transmission module and the pressure recording instrument, the poorer the sealing performance of the sealing element is, the reliability of the test result is greatly improved, and the overall quality requirement and the labor intensity of test staff are reduced;

2. according to the utility model, the power supply body, the wireless charging module and the controller are used for realizing sustainable detection of the evaluation device by adopting wireless charging, and simultaneously, the controller is used for transmitting and controlling all components to monitor the air pressure change of the inner cavity of the shell in real time, so that the leakage phenomenon in the middle of manual detection is avoided, the leakage phenomenon cannot be found in time, and the detection and evaluation errors of the sealing element are reduced;

3. the temperature sensor, the heating wire, the control panel and the controller are convenient for heating the inner cavity of the shell, so that the tightness of the sealing element in different times under a specific temperature environment is detected. The sealing element body detection efficiency is higher, and the detected tightness error value is smaller.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an axial structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a housing according to the present utility model;

FIG. 4 is a schematic diagram of a seal detection device according to the present utility model;

fig. 5 is a schematic view of the structure of the gas tank of the present utility model.

In the figure: 1. a housing; 2. a control panel; 3. an access door; 31. a first mounting groove; 32. a first rubber ring; 4. a pressure recording instrument; 5. a seal detection device; 51. a bottom ring; 511. a first positioning block; 512. a bump; 513. a first positioning hole; 514. a first seal groove; 52. a cover; 521. a second positioning block; 522. a second seal groove; 523. a second positioning hole; 53. a set screw; 6. a gas tank; 61. an air duct; 62. an electromagnetic valve; 7. a sealing block; 71. a non-return valve; 72. a vent hole; 8. a bottom plate; 9. a power supply body; 10. a wireless charging module; 11. a first circular groove; 12. a second circular groove; 13. a second mounting groove; 14. a second rubber ring; 15. a wireless sensing area; 16. a through hole; 17. a locking member; 18. a protective frame; 19. a data transmission module; 20. a pressure measuring hole; 21. a controller; 22. a temperature sensor; 23. a pressure sensor; 24. a positioning piece; 25. a heating wire; 26. a seal body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a sealing performance evaluation device of a sealing element as shown in figures 1-5, which comprises a shell 1, wherein a sealing detection device 5 is arranged on the upper surface of the shell 1, a control panel 2 and a pressure recording instrument 4 are arranged on one side of the shell 1, a wireless induction area 15 is arranged on one side of the shell 1, a bottom plate 8 is arranged at the bottom of an inner cavity of the shell 1, a protection frame 18, a power supply body 9, a wireless charging module 10 and a data transmission module 19 are arranged on the upper surface of the bottom plate 8, and the power supply body 9 is arranged on the inner side of the protection frame 18;

the seal detection device 5 comprises a bottom ring 51 and a sealing cover 52, a first sealing groove 514 is formed in the upper surface of the bottom ring 51, a second sealing groove 522 is formed in the lower surface of the sealing cover 52, a seal body 26 is embedded between the first sealing groove 514 and the second sealing groove 522, a pressure sensor 23 is arranged on one side of an inner cavity of the shell 1, and a temperature sensor 22 and a heating wire 25 are arranged at the top of the inner cavity of the shell 1.

The power supply body 9 is respectively electrically connected with the controller 21, the data transmission module 19, the wireless charging module 10, the control panel 2, the temperature sensor 22 and the pressure sensor 23, the pressure sensor 23 is electrically connected with the pressure recording instrument 4, the temperature sensor 22 and the pressure sensor 23 are electrically connected with the control panel 2, each part in the power supply body 9 is electrified, the battery body is charged by the wireless charging module 10, sustainable use of the evaluation device is achieved, and detection efficiency of sealing element tightness is improved.

The through hole 16 has been seted up to the casing 1 and the relative one side of control panel 2, and the sealing block 7 is installed to the casing 1 and the relative one side of control panel 2, sealing block 7 upper surface installs check valve 71, vent hole 72 has been seted up to one side of sealing block 7, and the one end intercommunication of vent hole 72 has air duct 61, and solenoid valve 62 is installed to the lateral wall of air duct 61, the one end intercommunication that air duct 61 kept away from sealing block 7 has gas pitcher 6, prevent the pressure leakage in the cavity through the check valve, improve the precision that the leakproofness detected, casing 1 adopts high strength alloy to make, the pressure that can bear is 0.3MPa at least.

The electromagnetic valve 62 is electrically connected with the controller 21, the gas in the gas tank 6 is nitrogen, the gas guide pipe 61 is communicated with the inner cavity of the shell 1 through the vent hole 72 and the through hole 16, and the inner cavity of the shell 1 is filled with nitrogen through the gas tank 6, and the nitrogen is inert gas, so that the risk of tightness detection is reduced.

The power body 9 is electrically connected with the heating wire 25, the heating wire 25 is electrically connected with the temperature sensor 22, the heating wire 25 is fixed at the top of the inner cavity of the shell 1 through a plurality of groups of positioning pieces 24, the heating wire 25 is in an annular arrangement, the pressure measuring hole 20 is formed in the upper surface of the shell 1, the inner diameter of the heating wire 25 is larger than that of the pressure measuring hole 20, and the sealing performance of the sealing piece at different temperatures is detected through improving the temperature of the inner cavity of the shell 1, so that the sealing performance of the sealing piece is accurately detected.

The opposite side of casing 1 and control panel 2 has access door 3 through the hinge articulated, and first mounting groove 31 has been seted up to one side of access door 3, and first mounting groove 31 is embedded to have first rubber circle 32, and casing 1 has been seted up the second circular slot 12 that supplies access door 3 embedding with the same one side of access door 3, and first circular slot 11 has been seted up to the bottom of second circular slot 12, and the internal diameter of first circular slot 11 is less than the internal diameter of second circular slot 12, is convenient for maintain each part in the casing 1 through access door 3, has improved evaluation device's life.

The second mounting groove 13 has been seted up to the bottom of second circular slot 12, and second mounting groove 13 is embedded to have second rubber circle 14, first rubber circle 32 is inconsistent with second rubber circle 14, and the internal diameter of first rubber circle 32 is the same with the internal diameter of second rubber circle 14, and the internal diameter of second rubber circle 14 is greater than the external diameter of first circular slot 11, casing 1 has articulated retaining member 17 with control panel 2 opposite side, the leakproofness of access door 3 has been improved through first rubber circle 32 and second rubber circle 14, prevent that access door 3 gas leakage from causing the influence to sealing member leakproofness detection, thereby improve the accuracy of detection.

The lateral wall integrated into one piece of bottom ring 51 has multiunit first locating piece 511, and all is provided with lug 512 to the upper surface of group's locating piece, and first locating hole 513 has been seted up to the upper surface of lug 512, and multiunit first locating piece 511 is equiangular setting, is convenient for fix a position sealing member body 26, prevents sealing member body 26 dislocation when detecting.

The side wall integrated into one piece of closing cap 52 has multiunit second locating piece 521, and the lower surface of multiunit second locating piece 521 has all seted up flutedly, and the recess fits with the shape of lug 512, and the second locating hole 523 has all been seted up to the upper surface of multiunit second locating piece 521, multiunit second locating piece 521 and multiunit first locating piece 511 respectively through set screw 53 with multiunit first locating hole 513 and multiunit second locating hole 523 threaded connection, be convenient for fix the sealing member between bottom ring 51 and closing cap 52, the installation of sealing member of being convenient for, thereby detection time has been reduced.

Based on the above-mentioned sealing performance evaluation device of the sealing element, the utility model also provides a use method of the sealing performance evaluation device of the sealing element, which comprises the following steps:

s1, embedding a to-be-detected sealing element body 26 into a first sealing groove 514, and matching the second sealing groove 522 of a sealing cover 52 with the first sealing groove 514 to finish the installation of the sealing element body 26, and simultaneously fixing a bottom ring 51 and the sealing cover 52 through a plurality of groups of positioning screws 53 to rapidly install the sealing element body 26 for testing, so that the test time is shortened, and the efficiency of a test is improved;

s2, setting temperature and pressure thresholds of a temperature sensor 22 and a pressure sensor 23 through a control panel 2, controlling an electromagnetic valve 62 to be opened through a controller 21, thereby improving the pressure in the shell 1, controlling the electromagnetic valve 62 to be closed through the controller 21 when the pressure reaches the set threshold, controlling whether a heating wire 25 is heated through a control panel 2 plate, thereby controlling the influence of the temperature in the inner cavity of the shell 1 on the tightness of a sealing element body 26, and detecting and evaluating the maximum tightness of the sealing element through setting the detected temperature, time and pressure, so that the detection data of the device are more accurate;

s3, when the pressure intensity of the inner cavity of the shell 1 is larger than the external pressure intensity, the pressure sensor 23 is used for monitoring in real time, the air pressure conversion value is displayed and recorded through the pressure recording instrument 4, and meanwhile, the data transmission module 19 is used for transmitting the air pressure conversion value to an external client, so that the tightness detection and evaluation of the sealing element body 26 are completed, the phenomenon that leakage occurs midway during manual detection is avoided, the leakage cannot be found in time, and the error of the detection and evaluation of the sealing element is reduced.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a sealing performance evaluation device of sealing member, includes casing (1), its characterized in that: the upper surface of the shell (1) is provided with a seal detection device (5), one side of the shell (1) is provided with a control panel (2) and a pressure recording instrument (4), one side of the shell (1) is provided with a wireless induction zone (15), the bottom of the inner cavity of the shell (1) is provided with a bottom plate (8), the upper surface of the bottom plate (8) is provided with a protection frame (18), a power supply body (9), a wireless charging module (10) and a data transmission module (19), and the power supply body (9) is arranged at the inner side of the protection frame (18);

the sealing detection device (5) comprises a bottom ring (51) and a sealing cover (52), a first sealing groove (514) is formed in the upper surface of the bottom ring (51), a second sealing groove (522) is formed in the lower surface of the sealing cover (52), sealing piece bodies (26) are embedded between the first sealing groove (514) and the second sealing groove (522), a pressure sensor (23) is arranged on one side of an inner cavity of the shell (1), and a temperature sensor (22) and a heating wire (25) are arranged on the top of the inner cavity of the shell (1).

2. The sealing performance evaluation device according to claim 1, wherein: the power supply body (9) is electrically connected with the controller (21), the data transmission module (19), the wireless charging module (10), the control panel (2), the temperature sensor (22) and the pressure sensor (23) respectively, the pressure sensor (23) is electrically connected with the pressure recording instrument (4), and the temperature sensor (22) and the pressure sensor (23) are electrically connected with the control panel (2).

3. The sealing performance evaluation device according to claim 1, wherein: the utility model discloses a gas tank, including casing (1), control panel (2), sealing block (7), air vent (72) have been seted up to casing (1), through-hole (16) have been seted up with control panel (2) relative one side, and casing (1) installs sealing block (7) with control panel (2) relative one side, surface mounting has check valve (71) on sealing block (7), air vent (72) have been seted up on one side of sealing block (7), and the one end intercommunication of air vent (72) has air duct (61), and solenoid valve (62) are installed to the lateral wall of air duct (61), the one end intercommunication that sealing block (7) were kept away from to air duct (61) has gas pitcher (6).

4. A sealing member sealing performance evaluation apparatus according to claim 3, wherein: the electromagnetic valve (62) is electrically connected with the controller (21), the gas in the gas tank (6) is nitrogen, and the gas guide tube (61) is communicated with the inner cavity of the shell (1) through the vent hole (72) and the through hole (16).

5. The sealing performance evaluation device according to claim 1, wherein: the utility model discloses a temperature sensor, including power body (9), heater strip (25), multiunit setting element (24), power body (9) and heater strip (25) electric connection, and heater strip (25) are fixed at casing (1) inner chamber top through multiunit setting element (24), and heater strip (25) are the annular setting, pressure measurement hole (20) have been seted up to the upper surface of casing (1), the internal diameter of heater strip (25) is greater than the internal diameter of pressure measurement hole (20).

6. The sealing performance evaluation device according to claim 1, wherein: the utility model discloses a door structure, including casing (1), control panel (2), access door (3) are articulated through the hinge to casing (1) and control panel (2), and first mounting groove (31) have been seted up to one side of access door (3), and first mounting groove (31) are embedded have first rubber circle (32), second circular slot (12) that supply access door (3) embedding have been seted up to casing (1) and access door (3) the same one side, and first circular slot (11) have been seted up to the bottom of second circular slot (12), and the internal diameter of first circular slot (11) is less than the internal diameter of second circular slot (12).

7. The sealing performance evaluation device according to claim 6, wherein: the bottom of second circular slot (12) has seted up second mounting groove (13), and second mounting groove (13) are embedded has second rubber circle (14), first rubber circle (32) and second rubber circle (14) are in contact, and the internal diameter of first rubber circle (32) is the same with the internal diameter of second rubber circle (14), and the internal diameter of second rubber circle (14) is greater than the external diameter of first circular slot (11), casing (1) are articulated with retaining member (17) with control panel (2) opposite one side.

8. The sealing performance evaluation device according to claim 1, wherein: the side wall integrated into one piece of bottom ring (51) has multiunit first locating piece (511), and all is provided with lug (512) to the upper surface of group's locating piece, and first locating hole (513) have been seted up to the upper surface of lug (512), multiunit first locating piece (511) are equiangular setting.

9. The sealing performance evaluation device according to claim 1, wherein: the side wall integrated into one piece of closing cap (52) has multiunit second locating piece (521), and the lower surface of multiunit second locating piece (521) is all seted up flutedly, and the recess matches with the shape of lug (512), multiunit second locating hole (523) have all been seted up to the upper surface of second locating piece (521), multiunit second locating piece (521) and multiunit first locating piece (511) are respectively through set screw (53) with multiunit first locating hole (513) and multiunit second locating hole (523) threaded connection.