Gearbox oil seal device with limiting mechanism

Abstract

The utility model belongs to the technical field of oil seal devices, and particularly relates to a gearbox oil seal device with a limiting mechanism, which comprises a mounting seat, an oil seal main body is slidably connected in the mounting seat, a mounting block is fixedly connected in the mounting seat, the upper end of the mounting block is in contact with a fixing plate, and the upper end of the fixing plate is in contact with the limiting mechanism. A threaded rod is connected to the interior of the fixing plate through a bearing, the threaded rod is in threaded connection with the mounting block, and a connecting block is fixedly connected to the side, close to the oil seal body, of the fixing plate. By arranging the pressing plate, the mounting plate, the fixing plate, the threaded rod and the like, the threaded rod and the mounting block can perform threaded motion by rotating the threaded rod, so that the threaded rod drives the pressing plate to limit the oil seal main body, the oil seal main body is stably mounted, and the problems that the oil seal device of the gearbox is inconvenient to limit during mounting, and the oil seal main body cannot be conveniently limited are solved. And unstable installation of the gearbox oil seal device is easily caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil seal device technical field, specifically is a gearbox oil seal device with limiting mechanism. BACKGROUND

[0002] The gearbox oil seal device is a kind of key components for sealing the oil in gearbox, main function is to prevent the lubricating oil or hydraulic oil in gearbox from leaking, while preventing external impurities (such as dust, silt, moisture) from entering the inside of gearbox, to ensure the normal operation of gearbox.A kind of gearbox oil seal device according to patent authorized announcement No.CN218913676U, it includes: oil collecting cover shell, bearing being arranged on drive shaft and dynamic ring being located on drive shaft;Dynamic ring rotates synchronously with drive shaft;Spiral groove is arranged on the periphery of dynamic ring, and the tightening spiral direction of spiral groove is opposite to the rotation direction of drive shaft;Circular ring is arranged in spiral groove to form labyrinth structure to seal the oil in gearbox.

[0003] And the gearbox oil seal device is not convenient to limit when installing, is prone to unstable installation of gearbox oil seal device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of gearbox oil seal device with limiting mechanism, solve the problem that gearbox oil seal device is not convenient to limit when installing, is prone to unstable installation of gearbox oil seal device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of gearbox oil seal device with limiting mechanism, including mounting seat, the inside oil seal body of mounting seat is slidably connected, the inside fixedly connected of mounting seat has installation block, the upper end of installation block is contacted with fixed plate, the inside of fixed plate is connected with threaded rod by bearing, the threaded rod is connected by screw thread with installation block, the side of fixed plate close to oil seal body is fixedly connected with connecting block, the side fixedly connected of connecting block away from fixed plate has installation plate, the inside of installation plate is slidably connected with slide bar, the lower end of slide bar is fixedly connected with pressing plate, the inside of installation plate is provided with spring.

[0006] Preferably, the lower end of the fixed plate is fixedly connected with a positioning rod, and the positioning rod is slidably connected with the mounting block. The positioning rod can position the fixed plate.

[0007] Preferably, the outer side of the threaded rod is fixedly connected with a stop ring, and the stop ring is rotatably connected with the fixed plate. The stop ring can limit the threaded rod.

[0008] Preferably, a knob is fixedly connected to the upper end of the threaded rod, and the knob is in contact with the fixed plate. The threaded rod can be easily rotated through the design of the knob.

[0009] Preferably, a limiting ring is fixedly connected to the interior of the mounting plate, and the limiting ring is slidably connected to the slide rod. The limiting ring can limit the slide rod through its design.

[0010] Preferably, the pressure plate is in contact with the mounting seat, and the pressure plate is in contact with the oil seal body. The design of the pressure plate can limit the oil seal body.

[0011] Preferably, one end of the spring contacts the mounting plate, and the other end of the spring contacts the slide rod. The design of the spring can drive the pressure plate to fit the oil seal body.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model is provided with a pressure plate, a mounting plate, a fixing plate, a threaded rod and other components. By rotating the threaded rod, the threaded rod and the mounting block can generate a threaded movement, so that the threaded rod drives the pressure plate to limit the oil seal body, so that the installation of the oil seal body remains stable, solving the problem that the gearbox oil seal device is inconvenient to limit during installation, which easily leads to unstable installation of the gearbox oil seal device.

[0014] 2. The utility model is provided with components such as a slide rod and a spring, and the slide rod can be driven to move by the elastic force of the spring, so that the slide rod drives the pressure plate to fit the oil seal body, thereby avoiding the phenomenon of unstable installation of the oil seal body caused by wear of the pressure plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0017] Figure 3 For the utility model Figure 1 A magnified front view and cross-sectional view of a local structure;

[0018] Figure 4 For the utility model Figure 1 An enlarged side view of the local structure.

[0019] In the figure: 1. Mounting seat; 2. Oil seal body; 3. Mounting block; 4. Fixing plate; 41. Positioning rod; 42. Threaded rod; 43. Limiting ring; 44. Knob; 5. Connecting block; 6. Mounting plate; 61. Sliding rod; 62. Limiting ring; 63. Pressure plate; 64. Spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 A gearbox oil seal device with limiting mechanism, including the mounting seat 1, the inside sliding connection of mounting seat 1 has oil seal body 2, the inside fixed connection of mounting seat 1 has installation block 3, the upper end of installation block 3 contacts fixed plate 4, the lower end of fixed plate 4 is fixedly connected with positioning rod 41, positioning rod 41 is slidingly connected with installation block 3, through the design of positioning rod 41, can be positioned to fixed plate 4, the inside of fixed plate 4 is connected with threaded rod 42 through bearing, threaded rod 42 is connected with installation block 3 through screw thread, the outside of threaded rod 42 is fixedly connected with baffle ring 43, baffle ring 43 is rotatably connected with fixed plate 4, through the design of baffle ring 43, can be limited to threaded rod 42.

[0022] Please refer to Figures 2-4 The upper end of threaded rod 42 is fixedly connected with knob 44, knob 44 contacts fixed plate 4, through the design of knob 44, it is convenient to rotate threaded rod 42, the side of fixed plate 4 close to oil seal body 2 is fixedly connected with connecting block 5, the side of connecting block 5 away from fixed plate 4 is fixedly connected with mounting plate 6, the inside of mounting plate 6 is slidingly connected with slide bar 61, the inside of mounting plate 6 is fixedly connected with limiting ring 62, limiting ring 62 is slidingly connected with slide bar 61, through the design of limiting ring 62, can be limited to slide bar 61.

[0023] Please refer to Figures 2-4 Figures 2-4 The lower end of slide bar 61 is fixedly connected with pressing plate 63, pressing plate 63 contacts mounting seat 1, pressing plate 63 contacts oil seal body 2, through the design of pressing plate 63, can be limited to oil seal body 2, the inside of mounting plate 6 is provided with spring 64, one end mounting plate 6 of spring 64 contacts, the other end of spring 64 contacts slide bar 61, through the design of spring 64, can drive pressing plate 63 and oil seal body 2 to stick together.

[0024] The specific implementation process of the utility model is as follows: when in use, the oil seal body 2 is placed in the mounting seat 1, and the fixing plate 4 and the mounting block 3 are installed, so that the fixing plate 4 drives the positioning rod 41 to slide and connect with the mounting block 3, and then the knob 44 is rotated to make the knob 44 drive the threaded rod 42 to rotate, so that the threaded rod 42 and the mounting block 3 are threadedly moved, thereby making the threaded rod 42 move in the mounting block 3, so that the threaded rod 42 drives the fixing plate 4 to move, so that the fixing plate 4 drives the connecting block 5 to move, so that the connecting block 5 drives the mounting plate 6 to move, so that the mounting plate 6 drives the sliding rod 61 to move, so that the sliding rod 61 drives the pressure plate 63 to move, so that the pressure plate 63 contacts the oil seal body 2, so that the pressure plate 63 drives the sliding rod 61 to slide in the limiting ring 62, so that the sliding rod 61 squeezes the spring 64, and the sliding rod 61 can be driven by the elastic force of the spring 64 to move, so that the sliding rod 61 drives the pressure plate 63 to fit with the oil seal body 2, thereby making the oil seal body 2 remain stable after installation.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gearbox oil seal device with a limiting mechanism, comprising a mounting seat (1), characterized in that: The inside of the mounting seat (1) is slidably connected with an oil seal body (2), the inside of the mounting seat (1) is fixedly connected with a mounting block (3), the upper end of the mounting block (3) is contacted with a fixed plate (4), the inside of the fixed plate (4) is connected with a threaded rod (42) through a bearing, the threaded rod (42) is connected with the mounting block (3) through a thread, the side, close to the oil seal body (2), of the fixed plate (4) is fixedly connected with a connecting block (5), the side, away from the fixed plate (4), of the connecting block (5) is fixedly connected with a mounting plate (6), the inside of the mounting plate (6) is slidably connected with a sliding rod (61), the lower end of the sliding rod (61) is fixedly connected with a pressing plate (63), and the inside of the mounting plate (6) is provided with a spring (64).

2. A gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: The lower end of the fixed plate (4) is fixedly connected with a positioning rod (41), and the positioning rod (41) is slidably connected with the mounting block (3).

3. The gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: The outer side of the threaded rod (42) is fixedly connected with a blocking ring (43), and the blocking ring (43) is rotatably connected with the fixed plate (4).

4. The gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: The upper end of the threaded rod (42) is fixedly connected with a knob (44), and the knob (44) is contacted with the fixed plate (4).

5. The gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: The inside of the mounting plate (6) is fixedly connected with a limiting ring (62), and the limiting ring (62) is slidably connected with the sliding rod (61).

6. The gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: The pressing plate (63) is contacted with the mounting seat (1), and the pressing plate (63) is contacted with the oil seal body (2).

7. The gearbox oil seal device with a limiting mechanism according to claim 1, characterized in that: One end of the spring (64) is contacted with the mounting plate (6), and the other end of the spring (64) is contacted with the sliding rod (61).

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