Oil seal testing device capable of adjusting different bounces

Abstract

The utility model discloses an oil seal testing device capable of adjusting different jumps, which is used for testing the oil seal effect of a mounting part on a tool shaft, and comprises a mounting disc, a rotating shaft transversely and rotatably mounted on the mounting disc, a tool shaft mounted on the rotating shaft, and a connecting shaft of which the coaxiality is greater than zero, the two ends of the connecting shaft are defined as an end portion and a tail portion, the end portion is installed on the rotating shaft and forms an installation shaft, the coaxiality of the rotating shaft is larger than zero, the connecting shaft is rotated to adjust the coaxiality of the installation shaft, the connecting shaft is detachably installed on the rotating shaft through a first connecting piece, and the tail portion of the connecting shaft is detachably installed on the rotating shaft through a second connecting piece. The tool shaft is installed on the tail portion of the connecting shaft, and the connecting shaft is rotated so that the coaxiality of the tool shaft can be changed from zero to the sum of the coaxiality of the rotating shaft and the coaxiality of the connecting shaft. According to the utility model, the structure is simple, the mounting shaft is formed by connecting the rotating shaft and the connecting shaft of which the coaxiality is not zero, and the coaxiality of the mounting shaft is adjusted by rotating the position of the connecting shaft relative to the rotating shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of oil seal testing devices, in particular to an oil seal testing device capable of adjusting different jumps. Background Art

[0002] There are mounting components installed on the automobile shaft. There is an oil seal structure between the mounting part and the shaft. The sealing performance of the oil seal needs to be ensured during the rotation of the shaft. As the automobile is used for a longer time, the shaft will produce shaft vibration. In order to verify the oil seal effect of the mounting components, it is often necessary to perform an oil seal function test on the oil seal effect of the mounting components.

[0003] Existing oil seal testing devices generally include a mounting plate, on which a rotating shaft is mounted for transverse rotation, and a tooling shaft is mounted on the rotating shaft. In order to verify different shaft runout values, the oil seal test of the mounting component often requires the replacement of different tooling shafts, which increases the labor intensity of the staff to a certain extent, and requires the preparation of multiple tooling shafts with different coaxialities. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model provides an oil seal testing device capable of adjusting different vibrations.

[0005] The utility model proposes an oil seal testing device with adjustable different jumps, which is used for testing the oil seal effect of a component installed on a tooling shaft, comprising a mounting plate, a rotating shaft being installed on the mounting plate for transverse rotation, the tooling shaft being installed on the rotating shaft, and a connecting shaft with a coaxiality greater than zero, the two ends of the connecting shaft being defined as an end portion and a tail portion, the end portion being installed on the rotating shaft and forming a mounting shaft, the coaxiality of the rotating shaft being greater than zero, the coaxiality of the mounting shaft being adjusted by rotating the connecting shaft, the connecting shaft being detachably installed on the rotating shaft through a first connecting member, the tooling shaft being installed at the tail portion of the connecting shaft, and the connecting shaft being rotated to achieve a change in the coaxiality of the mounting shaft between zero and the sum of the coaxiality of the rotating shaft and the coaxiality of the connecting shaft.

[0006] Preferably, a connecting groove is formed at one end of the rotating shaft opposite to the connecting shaft, and the end portion matches the connecting groove to facilitate installation of the connecting shaft and the rotating shaft.

[0007] Preferably, the first connecting member connects the connecting shaft and the rotating shaft by means of threads.

[0008] Preferably, a first fixing hole is formed on the rotating shaft, a second fixing hole is formed on the end opposite to the rotating shaft, and the first connecting member is installed in the first fixing hole and the second fixing hole.

[0009] Preferably, there is a middle portion between the end portion and the tail portion in the connection, and the outer diameter of the middle portion is greater than the outer diameters of the end portion and the tail portion.

[0010] Preferably, the weight of the middle portion is greater than that of the end portions, and the weight of the middle portion is greater than that of the tail portion.

[0011] Preferably, the tail portion has a tapered portion, the tooling shaft is mounted on the tapered portion, and the outer diameter of the tapered portion gradually decreases from an end close to the end portion to an end away from the end portion.

[0012] Preferably, the tooling shaft is mounted on the tail portion via a second connecting member.

[0013] Preferably, the rotating shaft and the connecting shaft have the same coaxiality.

[0014] In the utility model, the oil seal testing device with adjustable different runouts has a simple structure. The installation shaft is formed by connecting a rotating shaft with non-zero coaxiality and a connecting shaft. The coaxiality of the installation shaft is adjusted by rotating the connecting shaft relative to the rotating shaft.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connecting shaft structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connecting shaft of the utility model from another angle;

[0019] Figure 4 This is a schematic diagram of the rotating shaft structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the tooling shaft structure;

[0021] In the figure: 1, mounting plate; 2, rotating shaft; 20, connecting groove; 21, first fixing hole; 3, connecting shaft; 30, end; 300, second fixing hole; 31, tail; 310, third connecting hole; 32, middle; 4, first connecting piece; 5, second connecting piece; 6, tooling shaft. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 1-Figure 4 The oil seal testing device shown is an adjustable different runout test device, which is used to test the oil seal effect of the components installed on the tooling shaft 6, and includes a mounting plate 1, on which a rotating shaft 2 is installed for transverse rotation, and the tooling shaft 6 is installed on the rotating shaft 2, and also includes a connecting shaft 3 with a coaxiality greater than zero. In this embodiment, the coaxiality of the connecting shaft 3 is φ0.5mm, and the two ends of the connecting shaft 3 are defined as an end 30 and a tail 31. The end 30 is installed on the rotating shaft 2 and forms a mounting shaft. The coaxiality of the rotating shaft 2 is greater than zero. In this embodiment, the coaxiality of the rotating shaft 2 is φ0.5mm. The coaxiality of the mounting shaft is adjusted by rotating the connecting shaft 3. The connecting shaft 3 is detachably installed on the rotating shaft 2 through a first connecting member 4, and the tooling shaft 6 is installed at the tail 31 of the connecting shaft 3. The connecting shaft 3 is rotated to achieve the coaxiality of the mounting shaft within 0-φ1mm, and the coaxiality of the mounting shaft is specifically achieved by rotating the tail 31.

[0024] During the oil seal function test, the connecting shaft 3 is first installed on the rotating shaft 2, and then the connecting shaft 3 is rotated to adjust the coaxiality of the installation shaft, and then the connecting shaft 3 is fixed to the rotating shaft 2 through the first connecting member 4, and then the tooling shaft 6 is installed on the tail 31 of the connecting shaft 3, and then the installation component is installed on the tooling shaft 6. The external driving member drives the rotating shaft 2 to rotate and then realizes the detection of the oil seal of the installation component under the shaft runout caused by the coaxiality. The position of the connecting shaft 3 relative to the rotating shaft 2 can be adjusted by removing the first connecting member 4, and then the coaxiality of the installation shaft can be adjusted, and then the oil seal of the installation component on the tooling shaft 6 can be detected under different shaft runouts affected by different coaxialities of the installation shaft.

[0025] Preferably, a connecting groove 20 is opened at the end of the rotating shaft 2 opposite to the connecting shaft 3, and the end 30 matches the connecting groove 20 to facilitate the installation of the connecting shaft 3 and the rotating shaft 2. When the end 30 is installed in the connecting groove 20, a certain force is required to rotate the connecting shaft 3 to achieve relative rotation between the rotating shaft 3 and the rotating shaft 2 to adjust the coaxiality of the installation shaft.

[0026] Preferably, the first connecting member 4 connects the connecting shaft 3 and the rotating shaft 2 by means of threads, so as to facilitate the disassembly and installation of the connecting shaft 3 .

[0027] Preferably, the shaft 2 has a first fixing hole 21 , the end 30 opposite to the shaft 2 has a second fixing hole 300 , and the first connecting member 4 is installed in the first fixing hole 21 and the second fixing hole 300 . Specifically, the first connecting member 4 may be a bolt.

[0028] Preferably, there is a middle portion 32 between the end portion 30 and the tail portion 31 in connection, and the outer diameter of the middle portion 32 is larger than the outer diameters of the end portion 30 and the tail portion 31 , so as to facilitate the positioning of the end portion 30 relative to the rotating shaft 2 .

[0029] In order to achieve better non-aligned runout, preferably, the weight of the middle portion 32 is greater than the weight of the end portion 30 , and the weight of the middle portion 32 is greater than the weight of the tail portion 31 .

[0030] Preferably, the tail portion 31 has a tapered portion, and the tooling shaft 6 is installed on the tapered portion. The outer diameter of the tapered portion gradually decreases from the end close to the end 30 to the end away from the end 30. A hole matching the tapered portion is opened on the tooling shaft 6 to facilitate the positioning of the tooling shaft 6.

[0031] Preferably, the tooling shaft 6 is installed on the tail 31 through the second connecting member 5. Specifically, the second connecting member 5 connects the tooling shaft 6 and the tail 31 through a threaded manner like the first connecting member 4. A connecting through hole is opened in the middle part 32 of the tooling shaft 6, and a third connecting hole 310 is opened on the end face of the tail 31. The second connecting member 5 is connected to the third connecting hole 310 through the connecting through hole. Specifically, the second connecting member 5 can be a bolt.

[0032] In some embodiments, preferably, the coaxiality of the rotating shaft 2 and the connecting shaft 3 is the same. Of course, the coaxiality of the connecting shaft 3 and the rotating shaft 2 can also be set to different values.

[0033] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0037] 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. An oil seal testing device capable of adjusting different runouts, used for testing the oil seal effect of a component mounted on a tooling shaft (6), comprising a mounting plate (1), a rotating shaft (2) being mounted on the mounting plate (1) for transverse rotation, and a tooling shaft (6) being mounted on the rotating shaft (2), characterized in that: It also includes a connecting shaft (3) with a coaxiality greater than zero, the two ends of the connecting shaft (3) are defined as an end portion (30) and a tail portion (31), the end portion (30) is mounted on the rotating shaft (2) and forms a mounting shaft, the coaxiality of the rotating shaft (2) is greater than zero, the coaxiality of the mounting shaft is adjusted by rotating the connecting shaft (3), the connecting shaft (3) is detachably mounted on the rotating shaft (2) via a first connecting member (4), and the tooling shaft (6) is mounted on the tail portion (31) of the connecting shaft (3).

2. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: A connecting groove (20) is formed at one end of the rotating shaft (2) opposite to the connecting shaft (3), and the end portion (30) matches the connecting groove (20).

3. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: The first connecting member (4) connects the connecting shaft (3) and the rotating shaft (2) by means of threads.

4. The oil seal testing device capable of adjusting different runouts according to claim 1, characterized in that: The rotating shaft (2) is provided with a first fixing hole (21), the end portion (30) opposite to the rotating shaft (2) is provided with a second fixing hole (300), and the first connecting member (4) is installed in the first fixing hole (21) and the second fixing hole (300).

5. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: The connecting shaft (3) has a middle portion (32) between the end portion (30) and the tail portion (31), and the outer diameter of the middle portion (32) is greater than the outer diameters of the end portion (30) and the tail portion (31).

6. The oil seal testing device capable of adjusting different vibrations according to claim 5, characterized in that: The weight of the middle portion (32) is greater than the weight of the end portion (30), and the weight of the middle portion (32) is greater than the weight of the tail portion (31).

7. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: The tail portion (31) has a tapered portion, the tooling shaft (6) is mounted on the tapered portion, and the outer diameter of the tapered portion gradually decreases from an end close to the end portion (30) to an end away from the end portion (30).

8. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: The tooling shaft (6) is mounted on the tail portion (31) via a second connecting member (5).

9. The oil seal testing device capable of adjusting different vibrations according to claim 1, characterized in that: The coaxiality of the rotating shaft (2) and the connecting shaft (3) is the same.

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