Oil seal testing device

Abstract

The utility model discloses an oil seal test device, which relates to the field of oil seal detection and comprises a test bed, a mounting rack arranged at the top end of the test bed, an air cylinder arranged at the inner top of the mounting rack, a sliding plate arranged at the output end of the air cylinder, a detection top plate arranged at the bottom end of the sliding plate, and a connecting pipe arranged on one side of the top end of the detection top plate. Limiting columns matched with the sliding plate are arranged on the periphery of the top end of the test bed. A detection bottom plate is arranged in the middle of the top end of the test bed, a mounting groove is formed in the surface of the detection bottom plate, a mounting plate is arranged in the mounting groove, and the bottom end of the mounting plate is matched with the mounting groove through a sealing assembly; the top end of the mounting plate is provided with an oil seal body, and the outer side of the bottom end of the detection top plate is provided with a limiting ring. Under the action of the sealing assembly, the sealing performance between the detection bottom plate and the mounting plate can be improved, the test precision is ensured, and the universality of the experimental device is improved.

Description

Technical Field

[0001] The utility model relates to the field of oil seal detection, in particular to an oil seal test device. Background Art

[0002] Oil seal is a mechanical component used to seal oil. It has been widely used in military, shipbuilding, power plant and other industries. The main function of this equipment is to effectively isolate the part that needs lubrication from the output part of the transmission system to avoid leakage of lubricating oil. As a precision processed product, oil seal must maintain excellent sealing effect.

[0003] For example, Chinese patent CN219956793U discloses a special oil seal test device, including a test mounting seat, an oil seal mounting plate and a limit plate. The oil seal mounting plate is provided with an oil seal mounting cavity for installing oil seal products, thereby improving the installation efficiency of the oil seal mounting plate.

[0004] However, during the tightness test of the oil seal, a limit plate matching the oil seal is provided on the surface of the mounting plate of the oil seal. Although the limit plate can fix the oil seal, during the tightness test, the limit plate will interfere with the test top plate, thereby affecting the stable test of the airtightness of the oil seal.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes an oil seal test device to overcome the above technical problems existing in the existing related technology.

[0007] To this end, the specific technical solutions adopted by the utility model are as follows:

[0008] An oil seal test device comprises a test bench, wherein a controller is arranged on one side of the surface of the test bench, a mounting frame is arranged on the top of the test bench, a cylinder is arranged on the inner top of the mounting frame, a sliding plate is arranged on the output end of the cylinder, a detection top plate is arranged on the bottom end of the sliding plate, and a connecting pipe is arranged on one side of the top of the detection top plate; limit columns matching with the sliding plate are arranged on all sides of the top of the test bench; a detection bottom plate is arranged at the middle position of the top of the test bench, a mounting groove is opened on the surface of the detection bottom plate, a mounting plate is arranged inside the mounting groove, and the bottom end of the mounting plate matches with the mounting groove through a sealing component; an oil seal body is arranged on the top of the mounting plate, and a limit ring is arranged on the outer side of the bottom end of the detection top plate.

[0009] Furthermore, in order to ensure the stable installation of the mounting plate under the action of the mounting groove, avoid movement or deviation during the test, and improve the accuracy of the oil seal body test, a clamping groove matching the sealing assembly is opened at the inner bottom end of the mounting groove, and a plurality of limiting holes matching the sealing assembly are evenly opened on the surface of the clamping groove; strip grooves matching the mounting plate are opened on both sides of the mounting groove, and a trapezoidal limiting groove matching the mounting plate is opened at one end of the strip groove.

[0010] Furthermore, in order to cooperate with the limit ring under the action of the mounting plate during the test process, so as to improve the sealing of the entire oil seal body during the test process and ensure the stable detection of the oil seal air tightness in the oil seal body, both ends of the mounting plate are provided with limit blocks matching with the strip groove, and one end of the limit block is provided with a trapezoidal limit block matching with the trapezoidal limit groove; the surface of the mounting plate is provided with an annular groove; and the bottom end of the mounting plate is evenly provided with a plurality of limit holes 2 matching with the sealing assembly.

[0011] Furthermore, in order to increase the sealing between the detection base plate and the mounting plate under the action of the sealing assembly, while ensuring the stability of the connection between the detection base plate and the mounting plate, effectively ensuring the accuracy of the test and improving the versatility of the experimental device, the sealing assembly includes a sealing ring arranged on the surface of the clamping groove, and the bottom end of the sealing ring is evenly provided with limiting protrusions 1 that match with a plurality of limiting holes 1; the top end of the sealing ring is evenly provided with limiting protrusions 2 that match with a plurality of limiting holes 2, and the limiting protrusions 2 have the same structure as the limiting protrusions 1, and the ends of the limiting protrusions 2 are provided with rounded corners.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model uses the cylinder to drive the detection top plate to move toward the detection bottom plate under the cooperation of the test bench, the mounting frame, the cylinder, the sliding plate, the detection top plate, the connecting pipe and the detection bottom plate. When the detection top plate contacts the detection bottom plate, it is connected to the external gas through the connecting pipe, the connecting pipe is ventilated to the mounting groove of the detection bottom plate, and the sealing of the oil seal body is detected, thereby realizing the test detection of the sealing of the oil seal.

[0014] 2. The utility model ensures the stable installation of the mounting plate under the action of the mounting groove, avoids movement or deviation during the test, and improves the accuracy of the oil seal body test.

[0015] 3. Under the action of the mounting plate, the mounting plate cooperates with the limit ring during the test process to improve the sealing performance of the entire oil seal body during the test process, while ensuring stable detection of the air tightness of the oil seal in the oil seal body.

[0016] 4. Under the action of the sealing component, the utility model can increase the sealing between the detection base plate and the mounting plate, while ensuring the stability of the connection between the detection base plate and the mounting plate, effectively ensuring the accuracy of the test, and improving the versatility of the experimental device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of an oil seal test device according to an embodiment of the utility model;

[0019] Figure 2 is a cross-sectional view of an oil seal test device according to an embodiment of the utility model;

[0020] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0021] Figure 4 It is a schematic diagram of the internal structure of an oil seal test device according to an embodiment of the utility model;

[0022] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0023] Figure 6 It is a schematic diagram of the expanded structure inside the detection bottom plate in the internal structural schematic diagram of an oil seal test device according to an embodiment of the utility model;

[0024] Figure 7 yes Figure 6 A partial enlarged view of point C in the middle.

[0025] In the figure:

[0026] 1. Test bench; 2. Controller; 3. Mounting frame; 4. Cylinder; 5. Sliding plate; 6. Detection top plate; 7. Connecting pipe; 8. Limiting column; 9. Detection bottom plate; 10. Mounting groove; 1001. Snap-in groove; 1002. Limiting hole one; 1003. Strip groove; 1004. Trapezoidal limiting groove; 11. Mounting plate; 1101. Limiting block; 1102. Trapezoidal limiting block; 1103. Annular groove; 1104. Limiting hole two; 12. Sealing assembly; 1201. Sealing ring; 1202. Limiting protrusion one; 1203. Limiting protrusion two; 13. Oil seal body; 14. Limiting ring. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, an oil seal testing device is provided.

[0029] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-Figure 7 As shown, the oil seal test device according to the embodiment of the utility model includes a test bench 1, a controller 2 is arranged on one side of the surface of the test bench 1, a mounting frame 3 is arranged on the top of the test bench 1, a cylinder 4 is arranged on the inner top of the mounting frame 3, a sliding plate 5 is arranged on the output end of the cylinder 4, a detection top plate 6 is arranged on the bottom end of the sliding plate 5, and a connecting pipe 7 is arranged on one side of the top of the detection top plate 6; limiting columns 8 matched with the sliding plate 5 are arranged on all sides of the top of the test bench 1; a detection bottom plate 9 is arranged at the middle position of the top of the test bench 1, a mounting groove 10 is opened on the surface of the detection bottom plate 9, a mounting plate 11 is arranged inside the mounting groove 10, and the bottom end of the mounting plate 11 is matched with the mounting groove 10 through a sealing assembly 12; an oil seal body 13 is arranged on the top of the mounting plate 11, and a limiting ring 14 is arranged on the outer side of the bottom end of the detection top plate 6.

[0030] With the aid of the above technical scheme, the utility model uses the cylinder 4 to drive the detection top plate 6 to move toward the detection bottom plate 9 under the cooperation of the test bench 1, the mounting frame 3, the cylinder 4, the sliding plate 5, the detection top plate 6, the connecting pipe 7 and the detection bottom plate 9. When the detection top plate 6 contacts the detection bottom plate 9, it is connected to the external gas through the connecting pipe 7. The connecting pipe 7 ventilates the mounting groove 10 of the detection bottom plate 9 and detects the sealing of the oil seal body 13, thereby realizing the test of the sealing of the oil seal; under the cooperation of the detection bottom plate 9 and the mounting groove 10, the mounting plate 11 is guaranteed to be The stable installation avoids movement or deviation during the test and improves the accuracy of the oil seal body test; under the action of the mounting plate 11, during the test, the mounting plate 11 cooperates with the limit ring 14 to improve the sealing performance of the entire oil seal body 13 during the test, while ensuring the stable detection of the air tightness of the oil seal in the oil seal body 13; under the action of the sealing assembly 12, the sealing performance between the detection base plate 9 and the mounting plate 11 can be increased, while ensuring the stability of the connection between the detection base plate 9 and the mounting plate 11, effectively ensuring the accuracy of the test and improving the versatility of the experimental device.

[0031] In one embodiment, for the above-mentioned mounting groove 10, a snap-in groove 1001 matching with the sealing assembly 12 is provided at the inner bottom end of the mounting groove 10, and a plurality of limiting holes 1002 matching with the sealing assembly 12 are evenly provided on the surface of the snap-in groove 1001; strip grooves 1003 matching with the mounting plate 11 are provided on both sides of the mounting groove 10, and a trapezoidal limiting groove 1004 matching with the mounting plate 11 is provided at one end of the strip groove 1003, so that under the action of the mounting groove 10, the stable installation of the mounting plate 11 is guaranteed, movement or deviation during the test is avoided, and the accuracy of the oil seal body test is improved.

[0032] In one embodiment, for the above-mentioned mounting plate 11, both ends of the mounting plate 11 are provided with limit blocks 1101 that cooperate with the strip groove 1003, and one end of the limit block 1101 is provided with a trapezoidal limit block 1102 that cooperates with the trapezoidal limit groove 1004; an annular groove 1103 is provided on the surface of the mounting plate 11; and a plurality of limit holes 1104 that cooperate with the sealing assembly 12 are evenly provided on the bottom end of the mounting plate 11, so that under the action of the mounting plate 11, during the test, the mounting plate 11 cooperates with the limit ring 14 to improve the sealing performance of the entire oil seal body 13 during the test, while ensuring the stable detection of the air tightness of the oil seal in the oil seal body 13.

[0033] The installation working principle of the mounting groove 10 and the mounting plate 11 is as follows:

[0034] First, match the limiting hole 1104 at the bottom of the mounting plate 11 with the sealing assembly 12, and fix the mounting plate 11 on the surface of the sealing assembly 12. At the same time, match the trapezoidal limiting block 1102 and the limiting block 1101 with the trapezoidal limiting groove 1004 and the strip groove 1003 respectively to prevent the mounting plate 11 from shifting, and place the oil seal body 13 on the surface of the mounting plate 11.

[0035] In one embodiment, for the above-mentioned sealing component 12, the sealing component 12 includes a sealing ring 1201 arranged on the surface of the clamping groove 1001, and the bottom end of the sealing ring 1201 is evenly provided with limiting protrusions 1202 that cooperate with a plurality of limiting holes 1002; the top of the sealing ring 1201 is evenly provided with limiting protrusions 1203 that cooperate with a plurality of limiting holes 1104, and the limiting protrusions 1203 have the same structure as the limiting protrusions 1202, and the ends of the limiting protrusions 1203 are provided with rounded corners, so that under the action of the sealing component 12, the sealing between the detection base plate 9 and the mounting plate 11 can be increased, and at the same time, the stability of the connection between the detection base plate 9 and the mounting plate 11 is ensured, the accuracy of the test is effectively guaranteed, and the versatility of the experimental device is improved.

[0036] In addition, it should be noted that the sealing ring 1201, the limiting protrusion 1 1202 and the limiting protrusion 2 1203 are all made of flexible materials, and the opening sizes of the limiting hole 1002 and the limiting hole 2 1104 are slightly smaller than the diameters of the limiting protrusion 1 1202 and the limiting protrusion 2 1203;

[0037] The installation working principle of the sealing assembly 12 is as follows:

[0038] First, align the limiting protrusion 1202 at the bottom end of the sealing ring 1201 with the limiting hole 1002 of the snap-in groove 1001, and press the sealing ring 1201 to install the limiting protrusion 1202 into the inside of the limiting hole 1002. Similarly, align the limiting hole 1104 at the bottom end of the mounting plate 11 with the limiting hole 1104, and press the mounting plate 11 to install the limiting protrusion 1203 into the inside of the limiting hole 1104, and realize the connection between the detection base plate 9, the mounting groove 10, the mounting plate 11 and the sealing assembly 12.

[0039] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0040] In actual application, firstly, the sealing component 12 is installed inside the mounting groove 10 of the detection base plate 9, and the mounting plate 11 is installed on the top of the sealing component 12, and the oil seal body 13 is placed on the surface of the mounting plate 11;

[0041] During the test, the cylinder 4 is first controlled and started by the controller 2, and the sliding plate 5 is driven to move downward in the vertical direction under the action of the output end of the cylinder 4. Under the action of the limit column 8, the stable installation of the sliding plate 5 is guaranteed. At the same time, the limit ring 14 at the bottom end of the detection top plate 6 is used to seal with the mounting plate 11, the connecting pipe 7 is connected to the external gas, and the connecting pipe 7 is used to ventilate the mounting groove 10 of the detection bottom plate 9, and the sealing of the oil seal body 13 is tested.

[0042] The working principles of the mounting groove 10, the mounting plate 11 and the sealing assembly 12 are as described above.

[0043] In summary, with the aid of the above technical solution of the utility model, the utility model uses the cylinder 4 to drive the detection top plate 6 to move toward the detection bottom plate 9 under the cooperation of the test bench 1, the mounting frame 3, the cylinder 4, the sliding plate 5, the detection top plate 6, the connecting pipe 7 and the detection bottom plate 9. When the detection top plate 6 contacts the detection bottom plate 9, it is connected to the external gas through the connecting pipe 7, and the connecting pipe 7 is ventilated to the mounting groove 10 of the detection bottom plate 9, and the sealing of the oil seal body 13 is detected, thereby realizing the test detection of the oil seal sealing performance; under the cooperation of the detection bottom plate 9 and the mounting groove 10, it is ensured that The mounting plate 11 is stably installed, movement or deviation during the test is avoided, and the accuracy of the oil seal body test is improved; under the action of the mounting plate 11, during the test, the mounting plate 11 cooperates with the limit ring 14 to improve the sealing performance of the entire oil seal body 13 during the test, while ensuring the stable detection of the air tightness of the oil seal in the oil seal body 13; under the action of the sealing assembly 12, the sealing performance between the detection base plate 9 and the mounting plate 11 can be increased, while ensuring the stability of the connection between the detection base plate 9 and the mounting plate 11, effectively ensuring the accuracy of the test and improving the versatility of the experimental device.

[0044] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An oil seal test device, comprising a test bench (1), a controller (2) being arranged on one side of the surface of the test bench (1), characterized in that: The top of the test bench (1) is provided with a mounting frame (3), the inner top of the mounting frame (3) is provided with a cylinder (4), the output end of the cylinder (4) is provided with a sliding plate (5), the bottom end of the sliding plate (5) is provided with a detection top plate (6), and the top side of the detection top plate (6) is provided with a connecting pipe (7); Limiting columns (8) matching with the sliding plate (5) are arranged around the top of the test bench (1); A detection base plate (9) is arranged at the middle position of the top of the test bench (1), a mounting groove (10) is provided on the surface of the detection base plate (9), a mounting plate (11) is arranged inside the mounting groove (10), and the bottom end of the mounting plate (11) is matched with the mounting groove (10) through a sealing component (12); An oil seal body (13) is provided at the top end of the mounting plate (11).

2. An oil seal test device according to claim 1, characterized in that: A limiting ring (14) is arranged on the outer side of the bottom end of the detection top plate (6).

3. The oil seal test device according to claim 1, characterized in that: The inner bottom end of the installation groove (10) is provided with a clamping groove (1001) that matches the sealing component (12), and the surface of the clamping groove (1001) is evenly provided with a plurality of limiting holes (1002) that match the sealing component (12); Strip grooves (1003) matching with the mounting plate (11) are provided on both sides of the mounting groove (10).

4. An oil seal test device according to claim 3, characterized in that: One end of the strip-shaped groove (1003) is provided with a trapezoidal limiting groove (1004) that matches the mounting plate (11).

5. The oil seal test device according to claim 4, characterized in that: Both ends of the mounting plate (11) are provided with a limit block (1101) matched with the strip groove (1003), and one end of the limit block (1101) is provided with a trapezoidal limit block (1102) matched with the trapezoidal limit groove (1004); The surface of the mounting plate (11) is provided with an annular groove (1103); A plurality of second limiting holes (1104) matching with the sealing assembly (12) are evenly arranged at the bottom end of the mounting plate (11).

6. The oil seal test device according to claim 5, characterized in that: The sealing assembly (12) comprises a sealing ring (1201) arranged on the surface of the clamping groove (1001), and the bottom end of the sealing ring (1201) is evenly provided with limiting protrusions (1202) that match with a plurality of limiting holes (1002); The top of the sealing ring (1201) is evenly provided with limiting protrusions 2 (1203) that match a plurality of limiting holes 2 (1104), and the limiting protrusions 2 (1203) have the same structure as the limiting protrusions 1 (1202).

7. An oil seal test device according to claim 6, characterized in that: The end of the second limiting protrusion (1203) is provided with a rounded corner.

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