Sealing ring lip rubber elasticity detection tool

Abstract

The utility model provides a sealing ring lip rubber elasticity detection tool, which comprises a test platform, a sliding rod and a sliding support, one end of the sliding support extends to form a clamping part parallel to the test platform, and the clamping part is slidably provided with a second support. A first locking piece and a second locking piece are sequentially installed in the length direction of the second support, measuring instruments are arranged on the first locking piece and the second locking piece, a measuring flat plate used for being arranged on the upper surface of the sealing ring in a pressing mode is further arranged on the test platform, and the measuring ends of the measuring instruments abut against the upper surface of the measuring flat plate. By applying pressure to the measuring flat plate to record the change of the measuring instrument for elasticity detection, the deformation of the lower lip of the sealing ring is detected, the proper elasticity of the sealing ring is determined according to the degree of the deformation of the lower lip, then the proper range of the elasticity is determined, and the problem that normal use of the sealing ring and the bearing is affected by the elasticity is prevented. Through the device, the stability and efficiency of measurement are improved.

Description

Technical Field

[0001] The utility model relates to a tool for detecting the rubber elasticity of a sealing ring lip. Background Art

[0002] In daily production, the common characteristics of bearing rubber seals include good sealing performance, low friction resistance, high wear resistance, self-lubricating performance, simple structure and easy installation. They can maintain stable sealing performance in different working environments and effectively prevent the leakage of media such as gas and liquid. The lip part of the seal is its key functional area. It needs to have appropriate elasticity to ensure a close fit with the mating parts, and be able to deform appropriately when under pressure to maintain the sealing effect. If the rubber is not elastic enough, it may lead to poor sealing; while excessive elasticity may affect the installation of the seal or cause excessive wear.

[0003] In the process of selecting the elasticity, the sealing ring needs to be subjected to an elasticity test to determine its appropriate elasticity. However, there is currently a lack of suitable equipment to measure the elasticity of the sealing ring at its lip, which affects the normal use of the sealing ring and the bearing and greatly reduces efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a sealing ring lip rubber elasticity detection tool.

[0005] To achieve the above-mentioned purpose, the utility model provides a sealing ring lip rubber elasticity detection tool, including a test platform for placing the sealing ring to be tested, and a sliding rod vertically arranged on the test platform, a sliding bracket is slidably arranged on the sliding rod, one end of the sliding bracket extends to form a clamping portion arranged parallel to the test platform, and a second bracket is slidably arranged on the clamping portion, and a first locking member and a second locking member are sequentially installed in the length direction of the second bracket, and measuring instruments are arranged on the first locking member and the second locking member, and the measuring ends of the measuring instruments are both arranged toward the surface of the test platform. A measuring plate for pressing the upper surface of the sealing ring is also arranged on the test platform, and the measuring end of the measuring instrument abuts against the upper surface of the measuring plate, and elasticity detection is performed by recording changes in the measuring instrument by applying pressure to the measuring plate.

[0006] Further, the diameter of the measuring plate is larger than the outer diameter of the inner lip of the sealing ring, and the diameter of the measuring plate is smaller than the inner diameter of the outer lip of the sealing ring.

[0007] Furthermore, a plurality of positioning protrusions are arranged on an axial end surface of the measuring plate, and the plurality of positioning protrusions are evenly distributed along the circumference of the axis of the measuring plate.

[0008] Furthermore, an axial end surface of the measuring plate is provided with a sliding groove for sliding movement of the positioning protrusion, and one end of the sliding groove is arranged toward the axis of the measuring plate.

[0009] Furthermore, the first locking member and the second locking member include a sliding portion slidably disposed on the second bracket and a clamping portion for clamping the measuring instrument. The sliding portion is swingably connected to the clamping portion, and the clamping portion can change the position of the measuring instrument by horizontal swinging.

[0010] Furthermore, the clamping portion is provided with a locking nut for locking the measuring instrument.

[0011] The beneficial effects of the utility model are as follows: the sealing ring to be tested can be placed on the test platform through the base and the test platform arranged on the base, the sealing ring to be tested is aligned with the first locking member, the second locking member is provided with a measuring instrument, the measuring end of the measuring instrument is abutted on the measuring plate, the measuring plate is aligned and pressed on the sealing lip, different pressures are applied to the measuring plate, for example, steel balls of different weights are placed on the measuring plate, the downward displacement of the measuring plate is measured by the instrument to check the deformation of the lower lip of the sealing ring, the appropriate elasticity of the sealing ring is determined by the degree of deformation of the lower lip, and then its appropriate range is determined, so as to prevent the elasticity from affecting the normal use of the sealing ring and the bearing, and the stability and efficiency of the measurement are improved by the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0013] Figure 2 It is a schematic structural diagram of a measuring plate according to an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The following is a further description of the embodiments of the utility model in conjunction with the accompanying drawings: as shown in the figure, the sealing ring lip rubber elasticity detection tool includes a test platform 1 for placing the sealing ring to be tested, a sliding rod 2 vertically arranged on the test platform 1, a sliding bracket 3 is slidably arranged on the sliding rod 2, one end of the sliding bracket 3 extends to form a clamping portion 4 arranged parallel to the test platform 1, and a second bracket 5 is slidably arranged on the clamping portion 4, and a first locking member 6 and a second locking member 7 are sequentially installed in the length direction of the second bracket 5, and a measuring instrument 8 is arranged on the first locking member 6 and the second locking member 7, and the measuring ends of the measuring instrument 8 are both arranged toward the surface of the test platform 1. The test platform 1 is also provided with a measuring plate 9 for pressing the upper surface of the sealing ring, and the measuring end of the measuring instrument 8 abuts against the upper surface of the measuring plate 9, and elasticity detection is performed by recording changes in the measuring instrument 8 by applying pressure to the measuring plate 9.

[0015] The diameter of the measuring plate 9 is larger than the outer diameter of the inner lip of the sealing ring, and the diameter of the measuring plate 9 is smaller than the inner diameter of the outer lip of the sealing ring. Working principle: The sealing ring to be measured is placed on the measuring platform, the maximum outer diameter of the measuring plate 9 is smaller than the inner diameter of the sealing outer lip, the measuring plate 9 is located at the inner lip, two dial indicators are selected, placed horizontally on the measuring plate 9, the needle is reset to zero, and steel balls of different weights are placed at the center of the measuring plate 9 to record the change value of the needle. The deformation of the lower lip of the sealing ring is tested, and the appropriate elasticity of the sealing ring is determined by the degree of deformation of the lower lip.

[0016] A plurality of positioning protrusions 10 are provided on one axial end face of the measuring plate 9, and the plurality of positioning protrusions 10 are evenly distributed along the circumference of the axis of the measuring plate 9. The positioning protrusions 10 can locate the installation position of the measuring plate 9 on the sealing ring, and the positioning protrusions 10 can be abutted against the inner wall surface of the inner lip of the sealing ring to locate and install the measuring plate 9, and prevent the measuring plate 9 from moving horizontally, thereby preventing measurement failure caused by unstable installation.

[0017] The measuring plate 9 is provided with a slide groove 11 on one axial end face for the positioning protrusion 10 to slide, and one end of the slide groove 11 is arranged toward the axis of the measuring plate 9. The positioning protrusion 10 can slide along the axis of the measuring plate 9 through the slide groove 11, so as to adapt to the inner wall surface of the inner lip of different sealing rings to abut, thereby improving applicability.

[0018] The first locking member 6 and the second locking member 7 include a sliding portion 12 slidably disposed on the second bracket 5 and a locking portion 13 for clamping the measuring instrument 8. The sliding portion 12 is swingably connected to the locking portion 13, and the locking portion 13 can change the position of the measuring instrument 8 by horizontal swinging. Since the locking portion 13 can change the position of the measuring instrument 8 by horizontal swinging, the measuring instrument 8 can be accurately positioned as needed to facilitate measurements at different angles or positions. The setting of the sliding portion 12 allows the locking portion 13 to slide on the second bracket 5, so that it can adapt to measuring instruments 8 of different sizes or shapes, thereby improving the versatility and adaptability of the device. There is no need to disassemble and reinstall, which saves operation time and improves work efficiency; it maintains stability. The locking portions 13 of the first locking member 6 and the second locking member 7 are arranged close together.

[0019] The locking portion 13 is provided with a locking nut for locking the measuring instrument 8 .

[0020] The above embodiment is only one of the preferred specific embodiments of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A sealing ring lip rubber elasticity detection tool, characterized by: The invention comprises a test platform for placing a sealing ring to be tested, and a sliding rod vertically arranged on the test platform, a sliding bracket being slidably arranged on the sliding rod, one end of the sliding bracket extending to form a clamping portion arranged parallel to the test platform, a second bracket being slidably arranged on the clamping portion, a first locking member and a second locking member being sequentially installed in the length direction of the second bracket, a measuring instrument being arranged on the first locking member and the second locking member, the measuring ends of the measuring instrument being arranged toward the surface of the test platform, a measuring plate for pressing the upper surface of the sealing ring being arranged on the test platform, the measuring end of the measuring instrument being abutted against the upper surface of the measuring plate, and elasticity detection is performed by recording changes of the measuring instrument by applying pressure to the measuring plate.

2. The sealing ring lip rubber elasticity detection tool according to claim 1, characterized in that: The diameter of the measuring plate is larger than the outer diameter of the inner lip of the sealing ring, and the diameter of the measuring plate is smaller than the inner diameter of the outer lip of the sealing ring.

3. The sealing ring lip rubber elasticity detection tool according to claim 2, characterized in that: A plurality of positioning convex parts are arranged on an axial end surface of the measuring plate, and the plurality of positioning convex parts are evenly distributed along the circumference of the axis of the measuring plate.

4. The sealing ring lip rubber elasticity detection tool according to claim 2 or 3, characterized in that: A sliding groove for sliding the positioning protrusion is arranged on an axial end surface of the measuring plate, and one end of the sliding groove is arranged toward the axis of the measuring plate.

5. The sealing ring lip rubber elasticity detection tool according to claim 2, characterized in that: The first locking member and the second locking member include a sliding portion slidably arranged on the second bracket and a locking portion for clamping the measuring instrument. The sliding portion is swingably connected to the locking portion, and the locking portion can change the position of the measuring instrument by horizontal swinging.

6. The sealing ring lip rubber elasticity detection tool according to claim 5, characterized in that: The locking portion is provided with a locking nut for locking the measuring instrument.

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