Limiting structure of gearbox sealing gasket
By introducing a limiting structure into the gearbox gasket, including components such as a housing, connecting shell, positioning block, and threaded rod, the problem of displacement and deformation of the gasket caused by vibration and pressure changes during long-term operation is solved, thus achieving stable installation and reliability of the gasket.
Patent Information
- Application Number
- CN202423207112.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Transmission sealing gaskets are prone to displacement or deformation due to vibration and pressure changes during long-term operation, resulting in unstable installation.
A limiting structure is designed, including components such as a housing, a connecting shell, a positioning block, a positioning post, a slider, a locking block, and a threaded rod. Through the coordinated movement of these components, the gasket remains stable after installation.
It effectively prevents the gasket from shifting or deforming in the gearbox due to vibration and pressure changes, ensuring the stability and reliability of the sealing effect.
Smart Images

Figure CN223469693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sealing gasket technical field, specifically is a kind of gearbox sealing gasket's limiting structure. BACKGROUND
[0002] Gearbox sealing gasket is a kind of sealing assembly installed between gearbox housing and cover or shell, mainly used to prevent the leakage of lubricating oil or transmission fluid inside gearbox, while preventing external dust, moisture or impurities from entering the inside of gearbox. It is an important part of the normal operation and reliable sealing of gearbox.
[0003] According to the sealing gasket of patent authorized announcement No.CN201866239U, the ultra-thin steel plate framework is covered with rubber pad layer combined with the ultra-thin steel plate framework on the top side and the bottom side. It has the advantages of maintaining the shape of the original sealing gasket, excellent anti-creeper performance, no need for sealing glue, good sealing effect, and is suitable for engine, gearbox and other box gasket special sealing.
[0004] And the gearbox sealing gasket is not stable after installation, and is easy to shift or deform due to vibration and pressure change in long-term operation. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of gearbox sealing gasket's limiting structure, solve the problem that gearbox sealing gasket is not stable after installation, and is easy to shift or deform due to vibration and pressure change in long-term operation.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of gearbox sealing gasket's limiting structure, including shell, the front surface of the shell is fixedly connected with boss, the front surface of the shell is contacted with connection shell, the inside of the connection shell is slidably connected with boss, the inside of the shell is slidably connected with gasket, the gasket is slidably connected with connection shell, the upper end of the connection shell is fixedly connected with fixed block, the upper end of the shell is fixedly connected with connecting block, the fixed block is contacted with connecting block, the inside of the fixed block is slidably connected with sliding block, the side of the sliding block close to connecting block is fixedly connected with clamping block, the inside of the fixed block is rotatably connected with threaded rod.
[0007] Preferably, the side of the connection shell close to the shell is fixedly connected with positioning block, the positioning block is slidably connected with gasket, through the design of positioning block, the positioning effect can be achieved to gasket.
[0008] Preferably, the side of the shell close to the gasket is fixedly connected with positioning column, the positioning column is slidably connected with gasket, through the design of positioning column, the limiting effect can be achieved to gasket.
[0009] Preferably, the inside of the connecting block is provided with a clamping groove, the clamping block is in contact with the fixed block, and the clamping block is in sliding connection with the clamping groove.
[0010] Preferably, the outer side of the threaded rod is provided with a positive and negative thread, the threaded rod is connected with the sliding block through a thread, and the threaded rod can drive two sliding blocks to move at the same time through the design of the threaded rod.
[0011] Preferably, the outer side of the threaded rod is fixedly connected with a baffle, the baffle is in contact with the inner wall of the fixed block, and the baffle can limit the threaded rod through the design of the baffle.
[0012] Preferably, the end, away from the fixed block, of the threaded rod is fixedly connected with a knob, the knob is in contact with the fixed block, and the knob can facilitate rotation of the threaded rod through the design of the knob.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The utility model discloses a connecting shell, a fixed block, a clamping block, a threaded rod and a baffle are arranged on the connecting shell, the fixed block is fixedly connected with the connecting shell, the clamping block is in contact with the fixed block, the threaded rod is connected with the sliding block through a thread, and the baffle is in contact with the inner wall of the fixed block.
[0015] 2、The utility model discloses a connecting shell, a fixed block, a clamping block, a threaded rod and a baffle are arranged on the connecting shell, the fixed block is fixedly connected with the connecting shell, the clamping block is in contact with the fixed block, the threaded rod is connected with the sliding block through a thread, and the baffle is in contact with the inner wall of the fixed block. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure perspective drawing of the utility model;
[0017] Figure 2 It is the overall structure perspective drawing of the utility model; Figure 1 It is the local structure perspective drawing of the utility model;
[0018] Figure 3 It is the local structure perspective drawing of the utility model; Figure 1 It is the local structure perspective drawing of the utility model;
[0019] Figure 4 It is the local structure perspective drawing of the utility model; Figure 3 It is the local structure perspective drawing of the utility model;
[0020] Figure 5 It is the local structure perspective drawing of the utility model; Figure 2 It is the local structure perspective drawing of the utility model.
[0021] In the figure: 1, shell; 11, boss; 2, connecting shell; 3, gasket; 31, positioning block; 32, positioning column; 4, fixed block; 41, connecting block; 42, sliding block; 43, clamping block; 44, clamping groove; 45, threaded rod; 46, baffle; 47, knob. DETAILED DESCRIPTION
[0022] 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.
[0023] Please refer to Figures 1-5 A limiting structure of a sealing gasket of a gearbox, including a shell 1, the front surface of the shell 1 is fixedly connected with a boss 11, the front surface of the shell 1 is in contact with a connecting shell 2, the inside of the connecting shell 2 is slidably connected with the boss 11, the inside of the shell 1 is slidably connected with a gasket 3, the gasket 3 is slidably connected with the connecting shell 2, one side of the connecting shell 2 close to the shell 1 is fixedly connected with a positioning block 31, the positioning block 31 is slidably connected with the gasket 3, through the design of the positioning block 31, the gasket 3 can be positioned.
[0024] Please refer to Figures 2-5 One side of the shell 1 close to the gasket 3 is fixedly connected with a positioning column 32, the positioning column 32 is slidably connected with the gasket 3, through the design of the positioning column 32, the gasket 3 can be limited, the upper end of the connecting shell 2 is fixedly connected with a fixed block 4, the upper end of the shell 1 is fixedly connected with a connecting block 41, the fixed block 4 is in contact with the connecting block 41, the inside of the fixed block 4 is slidably connected with a sliding block 42, one side of the sliding block 42 close to the connecting block 41 is fixedly connected with a clamping block 43, the inside of the connecting block 41 is provided with a clamping groove 44, the clamping block 43 is in contact with the fixed block 4, the clamping block 43 is slidably connected with the clamping groove 44, through the design of the clamping block 43, the connecting block 41 can be limited.
[0025] Please refer to Figures 2-5 The inside of the fixed block 4 is rotatably connected with a threaded rod 45, the outer side of the threaded rod 45 is provided with a right and left thread, the threaded rod 45 is connected with the sliding block 42 through a thread, through the design of the threaded rod 45, two sliding blocks 42 can be moved at the same time, the outer side of the threaded rod 45 is fixedly connected with a baffle 46, the baffle 46 is in contact with the inner wall of the fixed block 4, through the design of the baffle 46, the threaded rod 45 can be limited, one end of the threaded rod 45 away from the fixed block 4 is fixedly connected with a knob 47, the knob 47 is in contact with the fixed block 4, through the design of the knob 47, the threaded rod 45 can be conveniently rotated.
[0026] The utility model discloses a specific implementation process as follows: when using, install gasket 3 with casing 1, make gasket 3 slide on locating post 32, make gasket 3 slide into casing 1, then make connecting shell 2 with casing 1 assemble, make boss 11 on casing 1 slide into connecting shell 2, and make locating block 31 on connecting shell 2 slide into gasket 3, make gasket 3 slide into connecting shell 2, can install gasket 3 in casing 1 and connecting shell 2,
[0027] When casing 1 and connecting shell 2 are installed, make clamping block 43 on fixed block 4 slide into clamping groove 44 on connecting block 41, then rotate knob 47, make knob 47 drive threaded rod 45 rotate, make threaded rod 45 and sliding block 42 screw thread movement, make sliding block 42 move on threaded rod 45, make sliding block 42 drive clamping block 43 move, make clamping block 43 and connecting block 41 clamp, can limit casing 1 and connecting shell 2, make it keep stable after installation, can make gasket 3 keep stable after installation.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A limiting structure of a sealing gasket of a gearbox, comprising a housing (1), characterized in that: The front of the shell (1) is fixedly connected with a boss (11), the front of the shell (1) is in contact with a connecting shell (2), the inside of the connecting shell (2) is slidably connected with a boss (11), the inside of the shell (1) is slidably connected with a gasket (3), the gasket (3) is slidably connected with the connecting shell (2), the upper end of the connecting shell (2) is fixedly connected with a fixed block (4), the upper end of the shell (1) is fixedly connected with a connecting block (41), the fixed block (4) is in contact with the connecting block (41), the inside of the fixed block (4) is slidably connected with a sliding block (42), one side of the sliding block (42) close to the connecting block (41) is fixedly connected with a clamping block (43), the inside of the fixed block (4) is rotatably connected with a threaded rod (45).
2. The limiting structure of a sealing gasket for a gearbox according to claim 1, characterized in that: The side of the connecting shell (2) close to the shell (1) is fixedly connected with a positioning block (31), the positioning block (31) is slidably connected with the gasket (3).
3. The limiting structure of a sealing gasket for a gearbox according to claim 1, characterized in that: The side of the shell (1) close to the gasket (3) is fixedly connected with a positioning column (32), the positioning column (32) is slidably connected with the gasket (3).
4. The limiting structure of a sealing gasket for a gearbox according to claim 1, characterized in that: The inside of the connecting block (41) is provided with a clamping groove (44), the clamping block (43) is in contact with the fixed block (4), and the clamping block (43) is slidably connected with the clamping groove (44).
5. The limiting structure of a sealing gasket for a gearbox according to claim 1, characterized in that: The outer side of the threaded rod (45) is provided with a positive and negative thread, and the threaded rod (45) is connected with the sliding block (42) through a thread.
6. The limiting structure of a sealing gasket for a gearbox according to claim 1, characterized in that: The outer side of the threaded rod (45) is fixedly connected with a baffle (46), and the baffle (46) is in contact with the inner wall of the fixed block (4).
7. The retaining structure for a sealing gasket of a gearbox according to claim 1, characterized in that: One end of the threaded rod (45) away from the fixed block (4) is fixedly connected with a knob (47), and the knob (47) is in contact with the fixed block (4).
Citation Information
Patent Citations
Seal spacing piece
CN201866239U