A lower oil pan with a positioning structure
Patent Information
- Application Number
- CN202522174753.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-15
- Publication Date
- 2026-09-01
- Estimated Expiration
- 2035-10-15
AI Technical Summary
[0003]然而，由于下油底壳本身缺乏有效的初始定位结构，在安装过程中，尤其是在需要预先放置密封垫的情况下，操作人员需要单独用手扶正并对准下油底壳与缸体，同时还要克服密封垫可能产生的滑动或错位，才能进行首个螺栓的穿入和预紧，这个过程费时费力，因此，本实用新型提出一种具有定位结构的下油底壳，用于解决上述问题
[0011]首先翻转翻转板是定位架成竖直状态，然后工人按压按压板，推动移动板，移动板带动连接板，连接板使滑套在滑杆上滑动，压缩弹簧，滑套移动时齿板与齿条分离，随后移动接触移动盒的限位状态，之后向下移动移动盒和定位板使防滑垫与汽车缸体的凸出边接触，之后松开按压板使齿条与齿板再次成啮合状态，从而使下油底壳初步定位在汽车缸体下方，便于工人后续安装螺栓，节省了工人的体力劳动，提升了安装效率；
Smart Images
Figure CN224705819U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of engine technology, and in particular to a lower oil pan with a positioning structure. Background Technology
[0002] When installing an existing engine lower oil pan, the bolt holes on its flange are usually aligned with the threaded holes on the engine block, and the pan is fixed and sealed by tightening the bolts in sequence.
[0003] However, since the lower oil pan itself lacks an effective initial positioning structure, during installation, especially when a gasket needs to be placed in advance, the operator needs to manually straighten and align the lower oil pan with the cylinder block, while also overcoming the possible slippage or misalignment of the gasket, before the first bolt can be inserted and pre-tightened. This process is time-consuming and laborious. Therefore, this utility model proposes a lower oil pan with a positioning structure to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to solve the problem that, due to the lack of an effective initial positioning structure in the lower oil pan itself, during the installation process, especially when a sealing gasket needs to be placed in advance, the operator needs to manually straighten and align the lower oil pan with the cylinder body, while also overcoming the possible slippage or misalignment of the sealing gasket, before the first bolt can be inserted and pre-tightened. This process is time-consuming and laborious. Therefore, a lower oil pan with a positioning structure is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A lower oil pan with a positioning structure includes two mounting brackets mounted on the lower oil pan. The inner cavity of each mounting bracket is rotatably connected to a flip plate. The number of flip plates is two. The lower oil pan with the positioning structure also includes: A positioning mechanism is located on top of the flip plate and is used to facilitate the installation of the lower oil pan by workers.
[0006] As a preferred embodiment of this utility model, the positioning mechanism includes: two positioning frames, two racks, two movable boxes, two slide rods, four sliding sleeves, a toothed plate, two springs, four connecting plates, a movable plate, a pressing plate, a positioning plate, and an anti-slip pad; The top of the flip plate is fixedly connected to the positioning frame. The front and rear sides of the inner cavity of the positioning frame are fixedly connected to the rack. The movable box is slidably set in the inner cavity of the positioning frame. The slide rod is fixedly installed in the inner cavity of the movable box. The front and rear sides of the slide rod surface are slidably connected to the sliding sleeve. One end of the sliding sleeve is fixedly connected to the toothed plate. The end of the toothed plate away from the sliding sleeve passes through the movable box and meshes with the rack. The spring is movably sleeved on the surface of the slide rod and located on the opposite side of the two sliding sleeves. The bottom of the sliding sleeve is fixedly connected to the connecting plate. The bottom of the connecting plate is fixedly connected to the movable plate. The opposite sides of the two movable plates are fixedly connected to the pressing plate. The opposite sides of the two pressing plates pass through the movable box. The opposite sides of the two movable boxes are fixedly connected to the positioning plate. The bottom of the positioning plate is fixedly connected to the anti-slip pad.
[0007] As a preferred embodiment of this utility model, the front and rear sides of the positioning frame cavity are provided with sliding grooves, and the front and rear sides of the movable box are provided with sliding rails, with the sliding grooves cooperating with the sliding rails.
[0008] As a preferred embodiment of this utility model, openings are provided on opposite sides of the two movable boxes, and the openings cooperate with the pressing plate.
[0009] As a preferred embodiment of this utility model, a limiting port is provided on each of the two movable boxes on opposite sides, and the limiting port cooperates with the toothed plate.
[0010] As a preferred embodiment of this utility model, guide rails are provided on both the front and rear sides of the movable plate, and guide grooves are provided on both the front and rear sides of the movable box, with the guide rails and guide grooves cooperating. Beneficial effects
[0011] First, the flip plate is flipped to position the positioning frame vertically. Then, the worker presses the pressing plate and pushes the moving plate. The moving plate drives the connecting plate, which causes the sliding sleeve to slide on the sliding rod, compressing the spring. When the sliding sleeve moves, the toothed plate separates from the rack and then moves to the limit position of the moving box. After that, the moving box and positioning plate are moved downward so that the anti-slip pad contacts the protruding edge of the car cylinder block. Then, the pressing plate is released so that the rack and toothed plate are engaged again, thus initially positioning the lower oil pan under the car cylinder block. This makes it easier for the worker to install bolts, saves the worker's physical labor, and improves installation efficiency. In this utility model, the equipment positioning mechanism facilitates subsequent bolt installation by workers, saving them physical labor and improving installation efficiency. Attached Figure Description
[0012] Figure 1 This is a demonstration diagram of the installation of the lower oil pan of this utility model; Figure 2 This is a schematic diagram of the lower oil pan structure of this utility model; Figure 3 For the present utility model Figure 2Enlarged view of A in the middle; Figure 4 This is a cross-sectional view of the movable box of this utility model.
[0013] In the diagram: 1. Lower oil pan; 2. Mounting bracket; 3. Flip plate; 4. Positioning bracket; 5. Rack; 6. Moving box; 7. Slide rod; 8. Slide sleeve; 9. Gear plate; 10. Spring; 11. Connecting plate; 12. Moving plate; 13. Pressing plate; 14. Positioning plate; 15. Anti-slip pad. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example
[0015] Reference Figures 1-4 A lower oil pan with a positioning structure includes two mounting brackets 2 mounted on the lower oil pan 1. The inner cavity of each mounting bracket 2 is rotatably connected to a flip plate 3. The number of flip plates 3 is two. The lower oil pan with the positioning structure also includes: The positioning mechanism is located on the top of the flip plate 3 and is used to facilitate the installation of the lower oil pan 1 by workers.
[0016] The positioning mechanism includes: two positioning frames 4, two racks 5, two movable boxes 6, two slide rods 7, four sliding sleeves 8, a toothed plate 9, two springs 10, four connecting plates 11, a movable plate 12, a pressing plate 13, a positioning plate 14, and an anti-slip pad 15; The top of the flip plate 3 is fixedly connected to the positioning frame 4. The front and rear sides of the inner cavity of the positioning frame 4 are fixedly connected to the rack 5. The movable box 6 is slidably disposed in the inner cavity of the positioning frame 4. The slide rod 7 is fixedly installed in the inner cavity of the movable box 6. The front and rear sides of the surface of the slide rod 7 are slidably connected to the sliding sleeve 8. One end of the sliding sleeve 8 is fixedly connected to the toothed plate 9. The end of the toothed plate 9 away from the sliding sleeve 8 passes through the movable box 6 and meshes with the rack 5. The spring 10 is movably sleeved on the surface of the slide rod 7 and is located on the opposite side of the two sliding sleeves 8. The bottom of the sliding sleeve 8 is fixedly connected to the connecting plate 11. The bottom of the connecting plate 11 is fixedly connected to the movable plate 12. The opposite sides of the two movable plates 12 are fixedly connected to the pressing plate 13. The opposite sides of the two pressing plates 13 pass through the movable box 6. The two movable boxes 6 are opposite to each other. One side is fixedly connected to the positioning plate 14, and the bottom of the positioning plate 14 is fixedly connected to the anti-slip pad 15. First, the flip plate 3 is flipped so that the positioning frame 4 is in a vertical state. Then, the worker presses the pressing plate 13 and pushes the moving plate 12. The moving plate 12 drives the connecting plate 11. The connecting plate 11 makes the sliding sleeve 8 slide on the sliding rod 7 and compress the spring 10. When the sliding sleeve 8 moves, the toothed plate 9 separates from the rack 5 and then moves to the limit state of the moving box 6. After that, the moving box 6 and the positioning plate 14 are moved downward so that the anti-slip pad 15 contacts the protruding edge of the car cylinder block. Then, the pressing plate 13 is released so that the rack 5 and the toothed plate 9 are engaged again, so that the lower oil pan 1 is initially positioned under the car cylinder block, which is convenient for the worker to install bolts later, saves the worker's physical labor, and improves the installation efficiency.
[0017] To improve the stability of the moving box 6 during movement, the front and rear sides of the inner cavity of the positioning frame 4 are provided with sliding grooves, and the front and rear sides of the moving box 6 are provided with sliding rails, with the sliding grooves and sliding rails cooperating.
[0018] To facilitate the movement of the pressing plate 13, openings are provided on opposite sides of the two movable boxes 6, and the openings are matched with the pressing plate 13.
[0019] To facilitate the movement of the toothed plate 9, limit openings are provided on opposite sides of the two movable boxes 6, and the limit openings cooperate with the toothed plate 9.
[0020] To improve the stability of the moving plate 12 during movement, guide rails are provided on both the front and rear sides of the moving plate 12, and guide grooves are provided on both the front and rear sides of the moving box 6, with the guide rails and guide grooves cooperating.
[0021] The working principle of this utility model is as follows: First, the flip plate 3 is flipped so that the positioning frame 4 is in a vertical state. Then, the worker presses the pressing plate 13 and pushes the moving plate 12. The moving plate 12 drives the connecting plate 11, and the connecting plate 11 makes the sliding sleeve 8 slide on the sliding rod 7, compressing the spring 10. When the sliding sleeve 8 moves, the toothed plate 9 separates from the rack 5 and then moves to the limit state of the moving box 6. After that, the moving box 6 and the positioning plate 14 are moved downward so that the anti-slip pad 15 contacts the protruding edge of the car cylinder. Then, the pressing plate 13 is released so that the rack 5 and the toothed plate 9 are engaged again, thereby initially positioning the lower oil pan 1 below the car cylinder, which is convenient for the worker to install bolts later, saves the worker's physical labor, and improves the installation efficiency.
[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A lower oil pan with a positioning structure, comprising two mounting brackets (2) mounted on a lower oil pan (1), wherein a flip plate (3) is rotatably connected to the inner cavity of the mounting bracket (2), and the number of flip plates (3) is two, characterized in that, The lower oil pan with positioning structure also includes: The positioning mechanism is located on top of the flip plate (3) and is used to facilitate the installation of the lower oil pan (1) by the worker.
2. The lower oil pan with a positioning structure according to claim 1, characterized in that, The positioning mechanism includes: two positioning frames (4), two racks (5), two movable boxes (6), two slide rods (7), four sliding sleeves (8), a toothed plate (9), two springs (10), four connecting plates (11), a movable plate (12), a pressing plate (13), a positioning plate (14), and an anti-slip pad (15). The top of the flip plate (3) is fixedly connected to the positioning frame (4). The front and rear sides of the inner cavity of the positioning frame (4) are fixedly connected to the rack (5). The movable box (6) is slidably disposed in the inner cavity of the positioning frame (4). The slide rod (7) is fixedly installed in the inner cavity of the movable box (6). The front and rear sides of the surface of the slide rod (7) are slidably connected to the sliding sleeve (8). One end of the sliding sleeve (8) is fixedly connected to the toothed plate (9). The end of the toothed plate (9) away from the sliding sleeve (8) passes through the movable box (6) and meshes with the rack (5). The spring (10) is active. The movable sleeve is located on the surface of the slide rod (7) and on the opposite side of the two slide sleeves (8). The bottom of the slide sleeve (8) is fixedly connected to the connecting plate (11). The bottom of the connecting plate (11) is fixedly connected to the moving plate (12). The opposite sides of the two moving plates (12) are fixedly connected to the pressing plate (13). The opposite sides of the two pressing plates (13) penetrate the moving box (6). The opposite sides of the two moving boxes (6) are fixedly connected to the positioning plate (14). The bottom of the positioning plate (14) is fixedly connected to the anti-slip pad (15).
3. A lower oil pan with a positioning structure according to claim 2, characterized in that, The front and rear sides of the inner cavity of the positioning frame (4) are provided with sliding grooves, and the front and rear sides of the movable box (6) are provided with sliding rails, with the sliding grooves and sliding rails cooperating.
4. A lower oil pan with a positioning structure according to claim 2, characterized in that, Both movable boxes (6) have openings on opposite sides, which are matched with the pressing plate (13).
5. A lower oil pan with a positioning structure according to claim 2, characterized in that, Each of the two movable boxes (6) has a limiting port on one side opposite to the other, and the limiting port is matched with the toothed plate (9).
6. A lower oil pan with a positioning structure according to claim 2, characterized in that, Guide rails are provided on the front and rear sides of the movable plate (12), and guide grooves are provided on the front and rear sides of the movable box (6). The guide rails and guide grooves cooperate with each other.