Rubber and plastic sealing test device

Abstract

The utility model discloses a rubber and plastic sealing test device, which relates to the technical field of rubber and plastic sealing tests and particularly comprises a bottom frame, the upper surface of the bottom frame is fixedly connected with a detection cavity, the upper end of a cylinder is fixedly connected with a detection outer sleeve, and the inner side wall of the detection outer sleeve is provided with a detection groove. One end of a telescopic rod of the electric telescopic rod is fixedly connected with a first connecting piece, the upper end of the first connecting piece is rotationally connected with a second connecting piece, the inner side wall of the first connecting piece is fixedly connected with a motor, the upper end of the second connecting piece abuts against a rubber and plastic sealing ring mounting shaft, and a mounting groove is formed in the outer surface of the rubber and plastic sealing ring mounting shaft. And the output end of the helium storage tank is fixedly connected with a gas dispersing pipe through an electromagnetic valve and a connecting pipe, the front face of the large detection cavity is fixedly connected with a helium detector and a pressure sensor, and the device has the beneficial effects that different connection modes of the sealing ring can be conveniently detected, and the adaptability can be conveniently improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber and plastic sealing tests, in particular to a rubber and plastic sealing test device. Background Art

[0002] The rubber and plastic seal test of aircraft engine and helicopter transmission system is an important aspect of rubber and plastic seal technology research and plays an irreplaceable role. At present, the theoretical calculation data of the rubber and plastic seal design of aircraft engine and helicopter transmission system cannot be directly used for design calculation. In most cases, it still relies on the accumulation of experience, and the design is carried out on the basis of analyzing and summarizing a large amount of test data, and then static and dynamic tests are carried out. The design is modified according to the test results, and finally the endurance test is carried out to assess its life and reliability.

[0003] The existing rubber and plastic sealing test device, when in use, usually needs to perform a rotational connection sealing test and a sliding connection sealing test on the rubber and plastic sealing ring. The traditional test needs to be tested on multiple devices separately, which is inconvenient. In addition, the existing rubber and plastic sealing test device needs to use a special test connection seat during the test to install the sealing ring, and the adaptability is poor. Therefore, the existing rubber and plastic sealing test device has the disadvantages of being inconvenient to detect different connection methods of the sealing ring and having poor adaptability. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a rubber and plastic sealing test device, which solves the problems raised in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a rubber and plastic sealing test device, including a base frame, the upper surface of the base frame is fixedly connected with a detection cavity, the inner bottom wall of the detection cavity is fixedly connected with a cylinder, the upper end of the cylinder is fixedly connected with a detection outer sleeve, the inner side wall of the detection outer sleeve is provided with a detection groove, the upper surface of the base frame is fixedly connected with an electric telescopic rod, one end of the telescopic rod of the electric telescopic rod is fixedly connected with a first connecting piece, the upper end of the first connecting piece is rotatably connected with a second connecting piece, and the inner side wall of the first connecting piece is fixedly connected with an electric The upper end of the second connecting member is threadedly connected with a fixing bolt, the upper end of the second connecting member abuts against a rubber-plastic sealing ring mounting shaft, the outer surface of the rubber-plastic sealing ring mounting shaft is provided with a mounting groove, the upper surface of the base frame is provided with a helium storage tank, the output end of the helium storage tank is fixedly connected with a diffuser pipe through a solenoid valve and a connecting pipe, the upper surface of the detection cavity is threadedly connected with an upper cover, the front of the detection cavity is respectively fixedly connected with a helium detector and a pressure sensor, the upper surface of the base frame is fixedly connected with a vacuum pump, and the rear of the detection cavity is fixedly connected with a master control module through a bracket.

[0008] Optionally, a heating wire is fixedly connected to the outer surface of the detection outer sleeve, the heating wire is distributed in a spiral shape, and the heating wire is electrically connected to the master control module through a wire.

[0009] Optionally, one end of the output shaft of the motor is fixedly connected to the lower end of the second connecting member, the lower end of the fixing bolt is threadedly connected to the upper end of the second connecting member via an external thread, and the middle part of the fixing bolt passes through the middle part of the rubber-plastic sealing ring mounting shaft.

[0010] Optionally, a plurality of the detection grooves are provided and are evenly distributed from small to large, and the outer surface of the rubber-plastic sealing ring mounting shaft is slidably connected to the inner side wall of the detection groove.

[0011] Optionally, a plurality of the installation grooves are provided and are evenly distributed from small to large, and a sealing gasket is detachably connected to the lower end of the rubber-plastic sealing ring installation shaft, and the lower surface of the sealing gasket abuts against the upper surface of the second connecting member.

[0012] Optionally, the air diffusion pipe is distributed in a ring shape on the outside of the second connecting member and is arranged at the lower end of the cylinder.

[0013] Optionally, a handle is fixedly connected to the upper surface of the upper cover, and a plug hole is provided on the outer surface of the handle. There are four plug holes and they are evenly distributed in a circular array.

[0014] Optionally, a storage rack is fixedly connected to the outer surface of the detection cavity, and a booster rod is inserted into the inner wall of the storage rack.

[0015] The utility model provides a rubber and plastic sealing test device, which has the following beneficial effects:

[0016] 1. The rubber-plastic sealing test device can detect different connection modes of the sealing ring by detecting the settings of the outer sleeve, the electric telescopic rod, the first connecting piece, the second connecting piece, the motor and the rubber-plastic sealing ring installation shaft. The sealing performance can be detected by detecting the matching settings of the outer sleeve, the electric telescopic rod, the first connecting piece, the second connecting piece, the motor and the rubber-plastic sealing ring installation shaft. The rotation state and sliding state of the rubber-plastic sealing ring can be detected during use. The states under different temperature states can be detected by detecting the settings of the outer sleeve and the heating wire, thereby achieving the purpose of facilitating the detection of different connection modes of the sealing ring.

[0017] 2. This rubber and plastic sealing test device has the effect of improving adaptability by setting up the detection outer sleeve, the detection groove, the rubber and plastic sealing ring mounting shaft and the mounting groove. Through the coordinated setting of the detection outer sleeve, the detection groove, the rubber and plastic sealing ring mounting shaft and the mounting groove, a variety of sealing rings of different sizes can be tested during use, thereby achieving the purpose of improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural diagram of the detection cavity of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the front section of the utility model;

[0021] Figure 4 For this utility model Figure 3 The structural diagram at A in the middle;

[0022] Figure 5 It is a structural schematic diagram of a three-dimensional cross-section of the detection tank of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the rubber-plastic sealing ring installation shaft of the utility model;

[0024] Figure 7 It is a structural schematic diagram of the air diffuser of the utility model.

[0025] In the figure: 1. base frame; 2. detection chamber; 3. cylinder; 4. detection outer sleeve; 5. detection slot; 6. heating wire; 7. electric telescopic rod; 8. first connecting piece; 9. second connecting piece; 10. motor; 11. fixing bolt; 12. external thread; 13. rubber-plastic sealing ring mounting shaft; 14. mounting slot; 15. sealing gasket; 16. helium storage tank; 17. connecting pipe; 18. diffuser pipe; 19. upper cover; 20. handle; 21. jack; 22. helium detector; 23. pressure sensor; 24. vacuum pump; 25. storage rack; 26. booster rod; 27. master control module. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] The utility model provides a technical solution: a rubber and plastic sealing test device, including a base frame 1, the upper surface of the base frame 1 is fixedly connected with a detection cavity 2, the inner bottom wall of the detection cavity 2 is fixedly connected with a cylinder 3, the upper end of the cylinder 3 is fixedly connected with a detection outer sleeve 4, the inner side wall of the detection outer sleeve 4 is provided with a detection groove 5, the detection groove 5 is provided with a plurality of and is evenly distributed from small to large, the outer surface of the rubber and plastic sealing ring mounting shaft 13 is slidably connected with the inner side wall of the detection groove 5, the outer surface of the detection outer sleeve 4 is fixedly connected with an electric heating wire 6, the electric heating wire 6 is spirally distributed, and the electric heating wire 6 is connected to the master control module 2 through a wire. 7 is electrically connected, an electric telescopic rod 7 is fixedly connected to the upper surface of the bottom frame 1, one end of the telescopic rod of the electric telescopic rod 7 is fixedly connected to the first connecting member 8, the upper end of the first connecting member 8 is rotatably connected to the second connecting member 9, the inner side wall of the first connecting member 8 is fixedly connected to the motor 10, one end of the output shaft of the motor 10 is fixedly connected to the lower end of the second connecting member 9, the lower end of the fixing bolt 11 is threadedly connected to the upper end of the second connecting member 9 through an external thread 12, the middle part of the fixing bolt 11 passes through the middle part of the rubber-plastic sealing ring installation shaft 13, and the upper end of the second connecting member 9 is threadedly connected to the fixing bolt 1 1, the upper end of the second connecting member 9 is abutted with a rubber-plastic sealing ring installation shaft 13, and the outer surface of the rubber-plastic sealing ring installation shaft 13 is provided with a mounting groove 14, and a plurality of mounting grooves 14 are provided and are evenly distributed from small to large, and the lower end of the rubber-plastic sealing ring installation shaft 13 is detachably connected with a sealing gasket 15, and the lower surface of the sealing gasket 15 is abutted with the upper surface of the second connecting member 9, and the upper surface of the base frame 1 is provided with a helium storage tank 16, and the output end of the helium storage tank 16 is fixedly connected with a diffuser pipe 18 through an electromagnetic valve and a connecting pipe 17, and the diffuser pipe 18 is distributed in an annular shape on the outer side of the second connecting member 9 and is provided Placed at the lower end of the cylinder 3, the upper surface of the detection chamber 2 is threadedly connected with an upper cover 19, the upper surface of the upper cover 19 is fixedly connected with a handle 20, the outer surface of the handle 20 is provided with a jack 21, four jacks 21 are arranged and are evenly distributed in a circular array, the front of the detection chamber 2 is fixedly connected with a helium detector 22 and a pressure sensor 23, the upper surface of the base frame 1 is fixedly connected with a vacuum pump 24, the outer surface of the detection chamber 2 is fixedly connected with a storage rack 25, the inner side wall of the storage rack 25 is plugged with a booster rod 26, and the back of the detection chamber 2 is fixedly connected with a master control module 27 through a bracket.

[0029] In order to facilitate the detection of different connection methods of the sealing ring, as shown in the attached Figures 1 to 7As shown, the application adopts the following structure, by detecting the arrangement of the outer sleeve 4, the electric telescopic rod 7, the first connecting piece 8, the second connecting piece 9, the motor 10 and the rubber-plastic sealing ring installation shaft 13, the rubber-plastic sealing test device has the effect of facilitating the detection of different connection modes of the sealing ring. When in use, the auxiliary rod 26 is used to wipe the sweat into the hole 21, and the upper cover 19 is rotated to facilitate the unscrewing and tightening of the upper cover 19. After that, the fixing bolt 11 is unscrewed with a hexagonal wrench, and the rubber-plastic sealing ring installation shaft 13 is removed, and then the rubber-plastic sealing ring to be detected is sleeved inside the installation groove 14 of the corresponding size on the outer surface of the rubber-plastic sealing ring installation shaft 13. Then, the rubber-plastic sealing ring installation shaft 13 is installed on the upper end of the second connecting member 9 through the fixing bolts 11, and then the upper cover 19 is installed. The solenoid valve of the helium storage tank 16 is controlled to open through the master control module 27, so that helium is sprayed to the lower end of the cylinder 3 through the connecting pipe 17 and the diffuser pipe 18. The helium will rise due to its low density. During the detection, the operation of the electric telescopic rod 7 is controlled by the master control module 27, and the telescopic rod extends and retracts, and the second connecting member 9 with it rises and falls. At this time, the rubber-plastic sealing ring on the outer surface of the rubber-plastic sealing ring installation shaft 13 slides with the inner side wall of the detection groove 5. When the rubber-plastic sealing ring is worn, helium can enter through the gap. The inside of the detection chamber 2 is obtained. When the helium is detected by the helium detector 22, it can be indicated that the rubber-plastic sealing ring is damaged, and the inside of the detection chamber 2 is evacuated by the vacuum pump 24, and the internal pressure is detected by the pressure sensor 23. Similarly, through the setting of the motor 10, the second connecting member 9 and the rubber-plastic sealing ring installation shaft 13 can be driven to rotate, so that the sealing state and life of the rubber-plastic sealing ring can be detected in the rotating state. Through the setting of the electric heating wire 6, the detection outer sleeve 4 and the rubber-plastic sealing ring installation shaft 13 can be heated, so that the sealing conditions under different temperature conditions can be realized, and then the rubber-plastic sealing ring can be inspected under different use conditions. The detection in the use scenario, that is, the sealing is detected by setting the helium detector 22, the pressure sensor 23 and the vacuum pump 24. By detecting the matching setting of the outer sleeve 4, the electric telescopic rod 7, the first connecting piece 8, the second connecting piece 9, the motor 10 and the rubber-plastic sealing ring installation shaft 13, the rotation state and the sliding state of the rubber-plastic sealing ring can be detected during use. By detecting the setting of the outer sleeve 4 and the heating wire 6, the state under different temperature states can be detected, thereby facilitating the detection of different connection modes of the sealing ring, and achieving the purpose of facilitating the detection of different connection modes of the sealing ring;

[0030] Example 2

[0031] The utility model provides a technical solution: the upper end of the cylinder 3 is fixedly connected with a detection outer sleeve 4, the inner side wall of the detection outer sleeve 4 is provided with a detection groove 5, the upper surface of the base frame 1 is fixedly connected with an electric telescopic rod 7, one end of the telescopic rod of the electric telescopic rod 7 is fixedly connected with a first connecting member 8, the upper end of the first connecting member 8 is rotatably connected with a second connecting member 9, the inner side wall of the first connecting member 8 is fixedly connected with a motor 10, the upper end of the second connecting member 9 is threadedly connected with a fixing bolt 11, the upper end of the second connecting member 9 is abutted against a rubber-plastic sealing ring mounting shaft 13, and the outer surface of the rubber-plastic sealing ring mounting shaft 13 is provided with a mounting groove 14.

[0032] In order to facilitate the improvement of adaptability, such as the attached Figures 1 to 7 As shown, the present application adopts the following structure. By setting the detection outer sleeve 4, the detection groove 5, the rubber-plastic sealing ring mounting shaft 13 and the mounting groove 14, the rubber-plastic sealing test device has the effect of facilitating the improvement of adaptability. When in use, the rubber-plastic sealing ring to be tested is sleeved inside the mounting groove 14 of the corresponding size. The setting of multiple mounting grooves 14 can perform installation and testing on sealing rings of different sizes. By matching the detection outer sleeve 4, the detection groove 5, the rubber-plastic sealing ring mounting shaft 13 and the mounting groove 14, sealing rings of various sizes can be tested during use, thereby achieving the purpose of facilitating the improvement of adaptability.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rubber and plastic sealing test device, comprising a base frame, characterized in that: The upper surface of the base frame is fixedly connected with a detection chamber, the inner bottom wall of the detection chamber is fixedly connected with a cylinder, the upper end of the cylinder is fixedly connected with a detection outer sleeve, and the inner side wall of the detection outer sleeve is provided with a detection groove, the upper surface of the base frame is fixedly connected with an electric telescopic rod, one end of the telescopic rod of the electric telescopic rod is fixedly connected with a first connecting piece, the upper end of the first connecting piece is rotatably connected with a second connecting piece, the inner side wall of the first connecting piece is fixedly connected with a motor, the upper end of the second connecting piece is threadedly connected with a fixing bolt, the upper end of the second connecting piece abuts against a rubber-plastic sealing ring mounting shaft, and the outer surface of the rubber-plastic sealing ring mounting shaft is provided with a mounting groove, a helium storage tank is arranged on the upper surface of the base frame, the output end of the helium storage tank is fixedly connected with a gas diffusion pipe through an electromagnetic valve and a connecting pipe, the upper surface of the detection chamber is threadedly connected with an upper cover, the front of the detection chamber is respectively fixedly connected with a helium detector and a pressure sensor, the upper surface of the base frame is fixedly connected with a vacuum pump, and the back of the detection chamber is fixedly connected with a master control module through a bracket.

2. A rubber and plastic sealing test device according to claim 1, characterized in that: The outer surface of the detection outer sleeve is fixedly connected with a heating wire, the heating wire is distributed in a spiral shape, and the heating wire is electrically connected to the main control module through a wire.

3. A rubber and plastic sealing test device according to claim 1, characterized in that: One end of the output shaft of the motor is fixedly connected to the lower end of the second connecting member, the lower end of the fixing bolt is threadedly connected to the upper end of the second connecting member through an external thread, and the middle part of the fixing bolt passes through the middle part of the rubber-plastic sealing ring installation shaft.

4. A rubber and plastic sealing test device according to claim 1, characterized in that: A plurality of detection grooves are arranged and are evenly distributed from small to large, and the outer surface of the rubber-plastic sealing ring mounting shaft is slidably connected with the inner side wall of the detection groove.

5. A rubber and plastic sealing test device according to claim 1, characterized in that: A plurality of installation grooves are provided and are evenly distributed from small to large. A sealing gasket is detachably connected to the lower end of the rubber-plastic sealing ring installation shaft, and the lower surface of the sealing gasket abuts against the upper surface of the second connecting member.

6. A rubber and plastic sealing test device according to claim 1, characterized in that: The air diffusion pipe is distributed in an annular shape on the outer side of the second connecting piece and is arranged at the lower end of the cylinder.

7. A rubber and plastic sealing test device according to claim 1, characterized in that: A handle is fixedly connected to the upper surface of the upper cover, and a plug hole is opened on the outer surface of the handle. There are four plug holes which are evenly distributed in a circular array.

8. According to the rubber and plastic sealing test device of claim 1, a storage rack is fixedly connected to the outer surface of the detection chamber, and a booster rod is inserted into the inner wall of the storage rack.

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