Engine oil pan
By designing multiple sealing structures and fastening structures in the engine oil pan, the problems of poor stability and poor sealing effect of piston fixation are solved, and stable fixation and efficient sealing of pistons are achieved.
Patent Information
- Application Number
- CN202421571210.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-04
AI Technical Summary
When used in the existing engine oil pan, the piston fixation stability is poor, loose leakage is prone to occur, and the sealing effect is poor, making it prone to leakage.
An engine oil pan is designed, and the piston is stabilized and sealed by the combination of the oil pan, oil drain pipe, piston, round block, straight plate, shell, slide rod and fastening structure, using multiple sealing structures of oblique blocks, rubber blocks, rubber sleeves and rubber rings.
Through this design, the stability of the piston fixation is improved, loose leakage is avoided, and the sealing effect is significantly improved through the multiple sealing structure to avoid leakage.
Smart Images

Figure CN222668243U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine oil pans, in particular to an engine oil pan. Background Art
[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The term engine can be applied to power generation devices or the entire machine including the power device.
[0003] There is an existing engine oil pan (application number: 202321361636.X) with a simple structure, quick and easy to use, no need to unscrew it completely when draining the oil, no need to re-glue it when reassembling, saving glue and labor costs, and avoiding the loss of related parts. It has extremely strong practicality. The above-mentioned problem still exists. When using the oil pan, it is often necessary to drain and replace the oil in the oil pan, and then screw the piston into the oil pan through a threaded connection to avoid oil leakage. When the piston is vibrated, it is easy to cause the piston to loosen, which in turn causes the oil to leak out. It is not convenient to fix the piston again. The stability of the piston fixation is poor, and it is easy to loosen and leak. At the same time, after the piston is screwed into the oil pan, it will play a sealing role, which is not convenient for multiple sealing of the piston. The sealing effect is poor, and it is further prone to leakage. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art, namely, it is inconvenient to re-fix the piston, the stability of the piston fixation is poor, it is easy to loosen and leak, it is inconvenient to perform multiple sealing on the piston, the sealing effect is poor, and it is further easy to leak, and to propose an engine oil pan.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An engine oil pan is designed, comprising an oil pan, an oil drain pipe is fixedly connected to the inner wall of the bottom of the oil pan, a round block is fixedly connected to the bottom of the oil drain pipe, a piston is fixedly connected to the top of the round block, a straight plate is rotatably connected to the bottom of the round block via a bearing, a shell is fixedly connected to one side of the bottom of the oil pan, a sliding rod is fixedly connected to one side of the bottom of the oil pan, and a fastening structure is provided on one side of the sliding rod.
[0007] Preferably, the fastening structure includes a slider, the upper inner wall of the slider is gap-matched with the outer wall of the sliding rod, the lower inner wall of the slider is fixedly connected with an inclined block 1, one side of the outer wall of the inclined block 1 is gap-matched with an inclined block 2, one end of the inclined block 1 is fixedly connected with a cross bar, one side of the outer wall of the cross bar is gap-matched with the inner wall of one end of the shell, a spring is gap-matched with the outer wall of the cross bar, the left and right ends of the spring are respectively fixedly connected to one end of the inner wall of the shell and one end of the inclined block 1, the bottom of the inclined block 2 is fixedly connected with a vertical rod, the upper outer wall of the vertical rod is gap-matched with the bottom inner wall of the shell, and the bottom of the vertical rod is fixedly connected to one side of the top of the straight plate.
[0008] Preferably, a rubber sleeve is threadedly connected to the outer wall of the piston, and the outer wall of the rubber sleeve is fixedly connected to the inner wall of the oil drain pipe.
[0009] Preferably, a rubber ring is fixedly connected to the lower part of the outer wall of the piston, and the upper and lower ends of the rubber ring are tightly fitted to the bottom of the oil drain pipe and the top of the round block respectively.
[0010] Preferably, a rubber block is fixedly connected to the top of the piston.
[0011] Preferably, an inclined block is attached to one side of the top of the rubber block, and the outer wall of the inclined block is fixedly connected to the upper part of the inner wall of the oil drain pipe.
[0012] The utility model provides an engine oil pan, which has the beneficial effects of: through the cooperation of the oil pan, the oil drain pipe, the piston, the round block, the straight plate, the shell, the sliding rod and the fastening structure, the device can be used to rotate the round block to drive the piston to rotate, screw the piston into the oil drain pipe, and insert the inclined block 2 into the shell at the same time, at this time, the inclined block 2 drives the inclined block 1 to move outward, the inclined block 1 compresses the spring, the inclined block 2 continues to move upward, the spring rebounds and drives the inclined block 1 to insert into the groove of the inclined block 2, so as to achieve fixation, facilitate the re-fixation of the piston, improve the stability of the piston fixation, and avoid the situation of loosening and leakage;
[0013] Through the cooperation of the oil pan, the oil drain pipe, the inclined block, the rubber block, the piston, the rubber sleeve, the rubber ring and the round block, when the device is in use, the round block can be rotated, and the round block drives the piston to rotate, so that the piston enters the interior of the rubber sleeve, and the round block and the oil drain pipe clamp the rubber ring. At the same time, the piston drives the rubber block to move upward, so that the rubber block and the bottom of the inclined block are closely fitted. The arrangement of the rubber ring, the rubber sleeve and the rubber block facilitates multiple sealing of the piston, improves the sealing effect, and further avoids leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2This is a schematic diagram of the oil pan, outer shell and oil drain pipe structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the inclined block 1, the slider and the crossbar of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the inclined block 1, the slider and the slide rod of the utility model;
[0018] Figure 5 This is a schematic diagram of the round block, straight plate and sphere structure of the utility model;
[0019] Figure 6 The utility model is a schematic diagram of the structure of the inclined block, rubber block and oil drain pipe.
[0020] In the figure: 1, oil pan, 2, fastening structure, 2a1, vertical rod, 2a2, inclined block 2, 2a3, inclined block 1, 2a4, slider, 2a5, spring, 2a6, cross bar, 2b1, sphere, 3, outer shell, 4, inclined block, 5, rubber block, 6, oil drain pipe, 7, piston, 8, rubber sleeve, 9, rubber ring, 10, round block, 11, straight plate, 12, slide rod. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings:
[0022] Example 1: Refer to the attached Figure 1-6 In the present embodiment, an engine oil pan includes an oil pan 1, an oil drain pipe 6 is fixedly connected to the bottom inner wall of the oil pan 1, a round block 10 is fixedly connected to the bottom of the oil drain pipe 6, a piston 7 is fixedly connected to the top of the round block 10, a straight plate 11 is rotatably connected to the bottom of the round block 10 through a bearing, and the bearing enables the round block 10 to rotate on the inner wall of the straight plate 11 when a force is applied, a housing 3 is fixedly connected to one side of the bottom of the oil pan 1, a sliding rod 12 is fixedly connected to one side of the bottom of the oil pan 1, a rubber sleeve 8 is threadedly connected to the outer wall of the piston 7, and the outer wall of the rubber sleeve 8 is fixedly connected to the inner wall of the oil drain pipe 6, The rubber sleeve 8 plays a sealing role. A rubber ring 9 is fixedly connected to the lower outer wall of the piston 7. The upper and lower ends of the rubber ring 9 are tightly fitted with the bottom of the oil drain pipe 6 and the top of the round block 10 respectively. A rubber block 5 is fixedly connected to the top of the piston 7. The rubber ring 9 and the rubber block 5 can play a sealing role again. An inclined block 4 is fitted on one side of the top of the rubber block 5. The outer wall of the inclined block 4 is fixedly connected to the upper inner wall of the oil drain pipe 6. A fastening structure 2 is provided on one side of the slide rod 12. The fastening structure 2 is convenient for re-fixing the piston 7, thereby improving the stability of the fixation of the piston 7 and avoiding loosening and leakage.
[0023] The fastening structure 2 includes a slider 2a4, the upper inner wall of the slider 2a4 is in clearance with the outer wall of the slide bar 12, and the slide bar 12 plays a limiting role when the slider 2a4 is forced to move left and right, the lower inner wall of the slider 2a4 is fixedly connected to an inclined block 1 2a3, and one side of the outer wall of the inclined block 1 2a3 is in clearance with an inclined block 2a2, and one end of the inclined block 1 2a3 is fixedly connected to a cross bar 2a6, and one side of the outer wall of the cross bar 2a6 is in clearance with the inner wall of one end of the housing 3, and the outer wall clearance of the cross bar 2a6 is in clearance with an elastic Spring 2a5, spring 2a5 gives inward force to inclined block 1 2a3, the left and right ends of spring 2a5 are respectively fixedly connected to one end of the inner wall of the shell 3 and one end of the inclined block 1 2a3, the bottom of the inclined block 2a2 is fixedly connected with a vertical rod 2a1, the upper part of the outer wall of the vertical rod 2a1 is gap-matched with the bottom inner wall of the shell 3, the bottom of the vertical rod 2a1 is fixedly connected to one side of the top of the straight plate 11, so as to facilitate the re-fixation of the piston 7, improve the stability of the fixation of the piston 7, and avoid loosening and leakage.
[0024] Working principle:
[0025] When plugging the oil drain pipe 6 of the oil pan 1:
[0026] One hand is attached to the straight plate 11, and the other hand rotates the round block 10. The round block 10 drives the piston 7 to rotate, so that the piston 7 enters the inside of the rubber sleeve 8. The round block 10 and the oil discharge pipe 6 clamp the rubber ring 9. At the same time, the piston 7 drives the rubber block 5 to move upward, so that the rubber block 5 is tightly fitted with the bottom of the inclined block 4. The arrangement of the rubber ring 9, the rubber sleeve 8 and the rubber block 5 is convenient for multiple sealing of the piston 7. At the same time, the inclined block 2a2 is inserted into the inside of the shell 3. At this time, the inclined block 2a2 drives the inclined block 1 2a3 to move outward, and the inclined block 1 2a3 compresses the spring 2a5. The inclined block 2a2 continues to move upward. The spring 2a5 rebounds and drives the inclined block 1 2a3 to insert into the groove of the inclined block 2a2, thereby achieving fixation, which is convenient for re-fixing the piston 7, improving the stability of the piston 7 fixation, and avoiding loosening and leakage.
[0027] Example 2: Refer to the attached Figure 1-6 In the present embodiment, an engine oil pan is provided, wherein the fastening structure 2 may further include a sphere 2b1, one end of the sphere 2b1 being fixedly connected to one side of the outer wall of the round block 10, and the outer wall of the round block 10 is provided with four spheres 2b1.
[0028] Working principle:
[0029] When the staff rotates the round block 10, the setting of the sphere 2b1 makes it convenient for the staff to rotate the round block 10 and to operate the round block 10.
[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.
Claims
1. An engine oil pan, comprising an oil pan (1), characterized in that: The inner wall of the bottom of the oil pan (1) is fixedly connected to an oil drain pipe (6), the bottom of the oil drain pipe (6) is fixedly connected to a round block (10), the top of the round block (10) is fixedly connected to a piston (7), the bottom of the round block (10) is rotatably connected to a straight plate (11) via a bearing, one side of the bottom of the oil pan (1) is fixedly connected to an outer shell (3), one side of the bottom of the oil pan (1) is fixedly connected to a sliding rod (12), and one side of the sliding rod (12) is provided with a fastening structure (2).
2. An engine oil pan according to claim 1, characterized in that: The fastening structure (2) comprises a slider (2a4), the upper inner wall of the slider (2a4) being gap-matched with the outer wall of the slide bar (12), the lower inner wall of the slider (2a4) being fixedly connected with an inclined block 1 (2a3), one side of the outer wall of the inclined block 1 (2a3) being gap-matched with an inclined block 2 (2a2), one end of the inclined block 1 (2a3) being fixedly connected with a cross bar (2a6), one side of the outer wall of the cross bar (2a6) being gap-matched with the inner wall of one end of the housing (3). The outer wall of the cross bar (2a6) is gap-matched with a spring (2a5), the left and right ends of the spring (2a5) are respectively fixedly connected to one end of the inner wall of the outer shell (3) and one end of the inclined block 1 (2a3), the bottom of the inclined block 2 (2a2) is fixedly connected to a vertical bar (2a1), the upper part of the outer wall of the vertical bar (2a1) is gap-matched with the bottom inner wall of the outer shell (3), and the bottom of the vertical bar (2a1) is fixedly connected to one side of the top of the straight plate (11).
3. The engine oil pan according to claim 1, characterized in that: The outer wall of the piston (7) is threadedly connected to a rubber sleeve (8), and the outer wall of the rubber sleeve (8) is fixedly connected to the inner wall of the oil drain pipe (6).
4. The engine oil pan according to claim 1, characterized in that: A rubber ring (9) is fixedly connected to the lower portion of the outer wall of the piston (7), and the upper and lower ends of the rubber ring (9) are tightly fitted to the bottom of the oil drain pipe (6) and the top of the round block (10), respectively.
5. The engine oil pan according to claim 1, characterized in that: A rubber block (5) is fixedly connected to the top of the piston (7).
6. The engine oil pan according to claim 5, characterized in that: A sloping block (4) is attached to one side of the top of the rubber block (5), and the outer wall of the sloping block (4) is fixedly connected to the upper part of the inner wall of the oil drain pipe (6).
Citation Information
Patent Citations
Engine oil pan
CN220059689U