Crankcase detection mechanism
By designing a crankcase detection mechanism and using components such as hydraulic cylinders and air pumps for clamping and gas injection detection, the problem of crankcase leakage is solved, ensuring the normal operation and performance of the engine.
Patent Information
- Application Number
- CN202422860482.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-22
Smart Images

Figure CN223361671U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crankcase detection, in particular to a crankcase detection mechanism. Background Art
[0002] The crankcase is a vital component of the engine, and its internal working conditions have a crucial impact on the engine's performance, reliability, and service life. A crankcase inspection system is a collection of equipment or devices specifically designed to test various crankcase performance indicators, diagnose faults, and evaluate the condition of the crankcase, ensuring proper crankcase operation and maintaining the overall good working condition of the engine.
[0003] The good sealing of the existing crankcase is the basis for its normal operation. If there is a leak in the crankcase, it will not only cause oil loss and affect the lubrication effect of the engine, but also allow external impurities to enter the crankcase and pollute the internal environment. At the same time, it will also affect the pressure balance in the crankcase, thereby negatively affecting the engine's power output and fuel economy. Therefore, a crankcase detection mechanism is needed to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that there is leakage in the crankcase, which not only causes oil loss and affects the lubrication effect of the engine, but also may allow external impurities to enter the crankcase and pollute the internal environment, and proposes a crankcase detection mechanism.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a crankcase detection mechanism, comprising a liquid storage tank, wherein convex plates are fixed on both side walls of the liquid storage tank near the center, a hydraulic cylinder is embedded in and fixedly connected to the top of the liquid storage tank and located at the convex plates, the output end of the hydraulic cylinder is fixedly connected to a ring plate, the bottom of the ring plate and near the centers of both ends are fixedly connected to connecting plates, the bottom of the connecting plate is fixedly connected to a mesh plate, the surface of one of the connecting plates is fixedly connected to a fixing plate, the surface of the fixing plate and near the bottom is fixedly connected to a first conical rubber, a T-plate is provided inside the ring plate, the surface of the T-plate and near the bottom is fixedly connected to a second conical rubber, and both sides of the ring plate are fixedly connected Grooves are provided on the inner walls of the sides, and screws are passed through and threadedly connected at both ends of the T-shaped plate, one end of the screw is rotatably connected to the inner wall bearing of one end of the groove, a square cavity is provided inside one end of the ring plate, a first gear is provided inside and near both ends of the square cavity, the other end of the screw passes through the inner wall of the other end of the groove and is fixedly connected to the first gear inside the square cavity, a gear belt is sleeved and meshed between the two first gears, an air outlet is provided inside the fixing plate and the first conical rubber, one end of the ring plate is embedded in and fixedly connected to an air pump, the output end of the air pump is fixedly connected to a connecting pipe, the other end of the connecting pipe is connected to the air outlet, and the air suction end of the air pump is fixed and connected to an air inlet pipe.
[0006] Preferably, support legs are fixedly connected to the bottom of the liquid storage tank near the four corners, and the shape of the support legs is trapezoidal.
[0007] Preferably, a second gear is meshed and connected inside the gear belt near the center, a drive motor is embedded and fixedly connected to the inner wall of one end of the square cavity near the center, and the output end of the drive motor is fixedly connected to the second gear.
[0008] Preferably, the edges of the liquid storage tank, the convex plate and the ring plate are all rounded.
[0009] Preferably, limiting grooves are symmetrically provided on the inner walls of both sides of the liquid storage tank, the interior of the limiting grooves is fixedly connected to a limiting rod, the surface of the limiting rod is sleeved and slidably connected to a limiting block, and the top of the limiting block is fixedly connected to the bottom of the mesh plate.
[0010] Preferably, a drain pipe is fixed on the surface of the liquid storage tank and close to the bottom and is connected to the liquid storage tank.
[0011] Compared with the prior art, the advantages and positive effects of the present invention are:
[0012] In the utility model, by placing the crankcase to be tested on the mesh plate and making one end of it resist against the first conical rubber, the driving motor indirectly drives the T-plate to move so that the second conical rubber is embedded in the other end of the crankcase, which can achieve the effect of clamping and testing crankcases of different lengths. At this time, the hydraulic cylinder can drive the ring plate to descend so that the crankcase is immersed in the liquid inside the liquid storage tank. At this time, gas is pumped into the crankcase through the air pump, which can achieve the effect of testing the sealing of the crankcase, thereby achieving the effect of comprehensive testing of the sealing of the crankcase. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a crankcase detection mechanism;
[0014] Figure 2 The utility model provides a vertical cross-sectional view of the overall structure of a crankcase detection mechanism;
[0015] Figure 3 This is a partial structural perspective diagram of a crankcase detection mechanism proposed by the utility model;
[0016] Figure 4 The utility model provides a cross-sectional view of the overall structure of a crankcase detection mechanism.
[0017] Legend: 1. Liquid storage tank; 2. Support leg; 3. Convex plate; 4. Hydraulic cylinder; 5. Ring plate; 6. Fixed plate; 7. First conical rubber; 8. T-plate; 9. Second conical rubber; 10. Groove; 11. Screw; 12. Square cavity; 13. First gear; 14. Gear belt; 15. Second gear; 16. Drive motor; 17. Air outlet; 18. Air pump; 19. Connecting pipe; 20. Inlet pipe; 21. Connecting plate; 22. Mesh plate; 23. Limiting groove; 24. Limiting rod; 25. Limiting block; 26. Drain pipe. DETAILED DESCRIPTION
[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0020] Example 1, as Figure 1-4As shown, the utility model provides a crankcase detection mechanism, including a liquid storage tank 1, and convex plates 3 are fixed on both side walls of the liquid storage tank 1 and near the center. A hydraulic cylinder 4 is embedded and fixedly connected to the top of the liquid storage tank 1 and located at the convex plates 3. The output end of the hydraulic cylinder 4 is fixedly connected to a ring plate 5, and the bottom of the ring plate 5 and near the center of both ends are fixedly connected to a connecting plate 21. The bottom of the connecting plate 21 is fixedly connected to a mesh plate 22. A fixed plate 6 is fixedly connected to the surface of one of the connecting plates 21, and a first conical rubber 7 is fixedly connected to the surface of the fixing plate 6 and near the bottom. A T-plate 8 is provided inside the ring plate 5, and a second conical rubber 9 is fixedly connected to the surface of the T-plate 8 and near the bottom. Grooves 10 are provided on the inner walls of both sides of the ring plate 5. The T-plate 8 Both ends of the ring plate 5 are penetrated and threadedly connected with a screw 11, one end of the screw 11 is rotatably connected to the inner wall bearing of one end of the groove 10, a square cavity 12 is opened inside the ring plate 5, and a first gear 13 is provided inside the square cavity 12 and near both ends. The other end of the screw 11 passes through the inner wall of the other end of the groove 10 and is fixedly connected to the first gear 13 inside the square cavity 12, and a gear belt 14 is sleeved and meshed between the two first gears 13. An air outlet 17 is opened inside the fixed plate 6 and the first conical rubber 7, and an air pump 18 is embedded in and fixedly connected to one end of the ring plate 5. The output end of the air pump 18 is fixedly connected to a connecting pipe 19, and the other end of the connecting pipe 19 is connected to the air outlet 17. The air suction end of the air pump 18 is fixed and connected to an air inlet pipe 20.
[0021] The effect achieved by the entire embodiment 1 is that a convex plate 3 is fixed on both side walls of the liquid storage tank 1 and near the center, a hydraulic cylinder 4 is embedded and fixedly connected to the top of the liquid storage tank 1 and at the convex plate 3, the output end of the hydraulic cylinder 4 is fixedly connected to a ring plate 5, the bottom of the ring plate 5 and near the center of both ends are fixedly connected to a connecting plate 21, the bottom of the connecting plate 21 is fixedly connected to a mesh plate 22, which can play the role of enabling the hydraulic cylinder 4 to drive the ring plate 5 to rise and fall, and the lifting of the ring plate 5 can drive the mesh plate 22 to rise and fall through the connecting plate 21. A fixing plate 6 is fixedly connected to the surface of one of the connecting plates 21, and a first conical rubber 7 is fixedly connected to the surface of the fixing plate 6 and near the bottom. A T-shaped plate 8 is provided inside the ring plate 5, and a second conical rubber 9 is fixedly connected to the surface of the T-shaped plate 8 and near the bottom. Grooves 10 are provided on the inner walls of both sides of the ring plate 5, and screws 11 are passed through and threaded at both ends of the T-shaped plate 8. One end of the screw 11 is rotatably connected to the inner wall bearing of one end of the groove 10, and a square is provided inside one end of the ring plate 5 The first gear 13 is provided inside the cavity 12 and near both ends. The other end of the screw 11 passes through the inner wall of the other end of the groove 10 and is fixedly connected to the first gear 13 inside the square cavity 12. A gear belt 14 is sleeved and meshed between the two first gears 13, which can play the role of making the gear belt 14 drive the first gear 13 to rotate. The rotation of the first gear 13 can drive the screw 11 to rotate. The rotation of the screw 11 can drive the T-shaped plate 8 to move, so that the first conical rubber 7 and the second conical rubber 9 are respectively embedded in the interior of the two ends of the crankcase. An air outlet 17 is opened through the interior of the fixed plate 6 and the first conical rubber 7. One end of the ring plate 5 is embedded in and fixedly connected to an air pump 18. The output end of the air pump 18 is fixedly connected to a connecting pipe 19. The other end of the connecting pipe 19 is connected to the air outlet 17. The exhaust end of the air pump 18 is fixed and connected to an intake pipe 20, which can play the role of making the air pump 18 draw gas into the crankcase through the intake pipe 20 and discharge it through the connecting pipe 19 and the air outlet 17.
[0022] Example 2, as Figure 1-4 As shown, the bottom of the liquid storage tank 1 and near the four corners are fixedly connected with support legs 2, and the shape of the support legs 2 is trapezoidal; the inside of the gear belt 14 and near the center is meshed with a second gear 15, and the inner wall of one end of the square cavity 12 and near the center is embedded and fixedly connected with a drive motor 16, and the output end of the drive motor 16 is fixedly connected to the second gear 15; the edges of the liquid storage tank 1, the convex plate 3 and the ring plate 5 are all rounded; limiting grooves 23 are symmetrically provided on the inner walls of both sides of the liquid storage tank 1, and the limiting rod 24 is fixedly connected to the inside of the limiting groove 23, and the surface of the limiting rod 24 is sleeved and slidably connected to the limiting block 25, and the top of the limiting block 25 is fixedly connected to the bottom of the mesh plate 22; a drain pipe 26 is fixed and connected to the surface of the liquid storage tank 1 and near the bottom.
[0023] The effect achieved by the entire embodiment 2 is that the support legs 2 are fixedly connected through the bottom of the liquid storage tank 1 and near the four corners. The shape of the support legs 2 is trapezoidal, which can play the role of supporting the bottom of the liquid storage tank 1; the second gear 15 is meshed and connected through the inside of the gear belt 14 and near the center. The inner wall of one end of the square cavity 12 and near the center is embedded and fixedly connected with a drive motor 16. The output end of the drive motor 16 is fixedly connected to the second gear 15, which can make the drive motor 16 drive the second gear 15 to rotate, and the rotation of the second gear 15 can drive the gear The effect of transmission with belt 14; the edges of the liquid storage tank 1, the convex plate 3 and the ring plate 5 are all rounded, which can improve the aesthetics of the device; the limiting grooves 23 are symmetrically opened on the inner walls of both sides of the liquid storage tank 1, the internal fixed connection of the limiting groove 23 is a limiting rod 24, the surface of the limiting rod 24 is sleeved and slidably connected to the limiting block 25, the top of the limiting block 25 is fixedly connected to the bottom of the mesh plate 22, which can limit the mesh plate 22; a drain pipe 26 is fixed and connected through the surface of the liquid storage tank 1 near the bottom, which can achieve the effect of drainage.
[0024] Working principle: by placing the crankcase to be tested on the mesh plate 22 and making one end of it resist against the first conical rubber 7, the second gear 15 is driven to rotate by the driving motor 16, and the rotation of the second gear 15 can drive the gear belt 14 to transmit, and the gear belt 14 transmits the first gear 13 to rotate, and the rotation of the first gear 13 drives the screw 11 to rotate, and the rotation of the screw 11 can drive the T-plate 8 to move so that the second conical rubber 9 is embedded in the other end of the crankcase, which can have the effect of clamping crankcases of different lengths. At this time, the hydraulic cylinder 4 can drive the ring plate 5 to descend so that the crankcase is immersed in the liquid inside the liquid storage tank 1. At this time, the air pump 18 draws gas in through the air inlet pipe 20 and pours it into the crankcase through the connecting pipe 19 and the air outlet 17, which can have the effect of performing a sealing test on the crankcase, thereby achieving a comprehensive test of the sealing of the crankcase.
[0025] The wiring diagram of the hydraulic cylinder 4, the drive motor 16 and the air pump 18 in the present invention is common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the hydraulic cylinder 4, the drive motor 16 and the air pump 18 are not explained in detail.
[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A crankcase detection mechanism, comprising a liquid storage tank (1), characterized in that: The two side walls of the liquid storage tank (1) are fixed with convex plates (3) near the center, the top of the liquid storage tank (1) is embedded with and fixedly connected to the convex plates (3), the output end of the hydraulic cylinder (4) is fixedly connected to a ring plate (5), the bottom of the ring plate (5) is fixedly connected to a connecting plate (21) near the center of both ends, the bottom of the connecting plate (21) is fixedly connected to a mesh plate (22), one of the connecting plates (21) is fixedly connected to a fixed plate (6) on the surface, the first conical rubber (7) is fixedly connected to the surface of the fixing plate (6) near the bottom, the inside of the ring plate (5) is provided with a T-shaped plate (8), the surface of the T-shaped plate (8) is fixedly connected to a second conical rubber (9) near the bottom, the inner walls of both sides of the ring plate (5) are provided with grooves (10), and both ends of the T-shaped plate (8) are penetrated and threadedly connected with screws ( 11), one end of the screw (11) is rotatably connected to the inner wall bearing of one end of the groove (10), a square cavity (12) is opened inside one end of the ring plate (5), and a first gear (13) is provided inside and near both ends of the square cavity (12), the other end of the screw (11) passes through the inner wall of the other end of the groove (10) and is fixedly connected to the first gear (13) inside the square cavity (12), and a gear belt (14) is sleeved and meshed between the two first gears (13), an air outlet (17) is opened inside the fixing plate (6) and the first conical rubber (7), one end of the ring plate (5) is embedded in and fixedly connected to an air pump (18), the output end of the air pump (18) is fixedly connected to a connecting pipe (19), the other end of the connecting pipe (19) is connected to the air outlet (17), and the air extraction end of the air pump (18) is fixedly connected to an air inlet pipe (20).
2. A crankcase detection mechanism according to claim 1, characterized in that: Support legs (2) are fixedly connected to the bottom of the liquid storage tank (1) and near the four corners, and the support legs (2) are all trapezoidal in shape.
3. The crankcase detection mechanism according to claim 1, characterized in that: A second gear (15) is meshedly connected inside and near the center of the gear belt (14), and a drive motor (16) is embedded and fixedly connected to the inner wall of one end of the square cavity (12) near the center, and the output end of the drive motor (16) is fixedly connected to the second gear (15).
4. The crankcase detection mechanism according to claim 1, characterized in that: The edges of the liquid storage box (1), the convex plate (3) and the ring plate (5) are all rounded.
5. The crankcase detection mechanism according to claim 1, characterized in that: The inner walls of both sides of the liquid storage box (1) are symmetrically provided with limiting grooves (23), the interior of the limiting grooves (23) is fixedly connected to a limiting rod (24), the surface of the limiting rod (24) is sleeved with and slidably connected to a limiting block (25), and the top of the limiting block (25) is fixedly connected to the bottom of the mesh plate (22).
6. The crankcase detection mechanism according to claim 1, characterized in that: A liquid drain pipe (26) is fixed on the surface of the liquid storage tank (1) and close to the bottom thereof and is in communication with the liquid storage tank (1).