Oil inlet pipe assembly for truck engine
By designing the oil inlet pipe assembly for truck engines, using plastic glue wrapping process and support rib structure, the existing oil conduit pipes are loose and fall off during vibration, improving sealing and strength, reducing production costs and assembly cracking.
Patent Information
- Application Number
- CN202421012562.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-05-10
AI Technical Summary
Due to the all-steel design of the existing transmission oil guide pipe assembly, it is easy to loosen and fall off during vibration, resulting in oil leakage at the connection.
A fuel inlet pipe assembly for truck engines was designed, using components such as oil conduit pipe body, bushing, and connecting piece assembly. The steel is replaced by plastic glue wrapping process, and the support rib structure and sealing ring are added to improve sealing and strength.
It improves the strength and sealing effect of the oil guide pipe, reduces the use and production costs of steel, reduces the assembly cracking situation, and improves the assembly qualification rate and productivity of the product.
Smart Images

Figure CN222732085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auto parts, in particular to an oil inlet pipe assembly for a truck engine. Background Art
[0002] The oil guide pipe assembly is installed in the gearbox. It is an important component that plays a lubrication and cooling role by spraying oil onto the gears in the gearbox. Generally, the oil guide pipe adopts an all-steel design. During the vibration process, the connection between the oil guide pipe and the oil pump will gradually loosen or even fall off, and oil leakage will occur at the connection. Moreover, most oil guide pipes adopt an integrated design and are not easy to disassemble and repair. Therefore, it is necessary to solve the deficiencies in the above-mentioned existing technology. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides an oil inlet pipe assembly for a truck engine, which solves the problem that the existing gearbox oil guide pipe assembly is of large mass due to its all-steel design and is prone to loosening and falling off during vibration, resulting in oil leakage at the connection.
[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: an oil inlet pipe assembly for a truck engine, comprising an oil guide pipe body, a bushing 1, a connecting piece assembly 1 and a connecting piece assembly 2, a bushing 1 is welded on the side wall of the oil guide pipe body, and a sealing ring is arranged on one end of the oil guide pipe body;
[0005] The connector assembly 1 includes a metal tube 1 with an oil injection hole, a tube mouth rubber coating is provided at the left end of the metal tube 1, and the left end of the metal tube 1 is assembled with the oil guide tube body through the tube mouth rubber coating, and a bending rubber coating is provided at the right end of the metal tube 1, and a bushing 2 is installed on the body of the bending rubber coating, and the right end of the metal tube 1 is assembled with the connector assembly 2 through the bending rubber coating;
[0006] The second connector assembly comprises a second metal tube with an oil injection hole, the upper end of the second metal tube is provided with a connecting rubber bag, and the upper end of the second metal tube is assembled with the first connector assembly through the connecting rubber bag.
[0007] Preferably, one end of the oil guide pipe body is embeddedly connected to the pipe mouth rubber coating, and the bent rubber-coated body is embeddedly connected to the connecting rubber-coated body.
[0008] Preferably, the bushing 1 and the bushing 2 are both integrally injection-molded by a mold and are embedded.
[0009] Preferably, a support rib structure is provided at the assembly location of the oil guide pipe body and the bushing 1, and the support rib structure is also provided at the assembly location of the oil guide pipe body and the connector subassembly 1.
[0010] Beneficial Effects
[0011] The utility model provides an oil inlet pipe assembly for a truck engine. Compared with the prior art, it has the following beneficial effects:
[0012] The upper end of the oil guide pipe body assembly is equipped with a bushing 1, and the bushing 1 and the oil guide pipe body are provided with a supporting rib structure to increase the strength of the oil guide pipe body, and are assembled with the counterpart through a sealing ring to enhance the sealing effect; and the connecting part subassembly 1 and the connecting part subassembly 2 use plastic instead of steel, and through the plastic coating process, the use of steel materials and the net weight of the product are reduced, which greatly reduces the product production cost; the plastic coating is wrapped at the assembly of the connecting part subassembly 1 and the connecting part subassembly 2, and the two are embedded in each other through the plastic boss, and it is proposed to increase the positioning pin and the pin mouth at the interface to assemble them correspondingly, so as to realize the connection work between the connecting part subassembly 1 and the connecting part subassembly 2 directly, and reduce the occurrence of assembly cracking, increase the product assembly qualification rate, and improve productivity. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the external structure of the utility model.
[0014] In the figure: 1. Oil guide pipe body; 2. Bushing 1; 3. Sealing ring; 4. Rubber coating on pipe mouth; 5. Metal pipe 1; 6. Bushing 2; 7. Rubber coating on bend; 8. Rubber coating on connection; 9. Metal pipe 2. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1 The utility model provides a technical solution: an oil inlet pipe assembly for a truck engine: comprising an oil guide pipe body 1, a bushing 2, a connecting piece assembly 1 and a connecting piece assembly 2, wherein the connecting piece assembly 1 and the connecting piece assembly 2 are made of plastic material instead of steel, thereby reducing the use of steel and the net weight of the product, a bushing 2 is welded on the side wall of the oil guide pipe body 1, and a sealing ring 3 is arranged on one end of the oil guide pipe body 1, and the arrangement of the sealing ring 3 improves the sealing performance of the connection;
[0017] The first connector assembly includes a metal tube 5 with an oil injection hole, a nozzle rubber bag 4 is provided at the left end of the metal tube 5, the left end of the metal tube 5 is assembled with the oil guide tube body 1 through the nozzle rubber bag 4, the right end of the metal tube 5 is provided with a bending rubber bag 7, a bushing 2 6 is installed on the body of the bending rubber bag 7, the right end of the metal tube 5 is assembled with the second connector assembly through the bending rubber bag 7, and the nozzle rubber bag 4 and the bending rubber bag 7 are both formed by a plastic rubber bag process;
[0018] The second connector assembly includes a metal tube 9 with an oil injection hole. The upper end of the metal tube 9 is provided with a connecting rubber bag 8. The connecting rubber bag 8 is formed by a plastic rubber bag process. The upper end of the metal tube 9 is assembled with the connector assembly 1 through the connecting rubber bag 8.
[0019] One end of the oil guide pipe body 1 is embeddedly connected to the pipe mouth rubber bag 4, and the body of the bent rubber bag 7 is embeddedly connected to the body of the connecting rubber bag 8. The connecting rubber bag 8, the pipe mouth rubber bag 4 and the bent rubber bag 7 are all nested by means of plastic bosses. At the same time, as a preferred method, positioning pins and pin openings and other structures can be added at the connection of the plastic bosses to facilitate mutual corresponding assembly.
[0020] Both the bushing 1 2 and the bushing 2 6 are integrally injection-molded by a mold and are embedded.
[0021] A support rib structure is provided at the assembly position of the oil guide pipe body 1 and the bushing 2, and the support rib structure is also provided at the assembly position of the oil guide pipe body 1 and the connecting part subassembly 1.
[0022] The upper end of the oil guide pipe body 1 is equipped with a bushing 2, and the bushing 2 and the oil guide pipe body 1 are provided with a supporting rib structure to increase the strength of the oil guide pipe body 1, and are assembled with the counterpart through a sealing ring 3 to enhance the sealing effect; and the connecting part subassembly 1 and the connecting part subassembly 2 use plastic instead of steel, and through the plastic coating process, the use of steel materials and the net weight of the product are reduced, which greatly reduces the product production cost; the plastic coating is wrapped at the assembly point of the connecting part subassembly 1 and the connecting part subassembly 2, and the two are embedded in each other through a plastic boss, and a positioning pin and a pin mouth are added at the interface to correspond to each other to realize the connection work between the connecting part subassembly 1 and the connecting part subassembly 2 assembly, which reduces the occurrence of assembly cracking, increases the product assembly qualification rate, and improves productivity.
[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An oil inlet pipe assembly for a truck engine, comprising an oil guide pipe body (1), a bushing 1 (2), a connecting piece assembly 1 and a connecting piece assembly 2, characterized in that: A bushing (2) is welded on the side wall of the oil guide pipe body (1), and a sealing ring (3) is provided on one end of the oil guide pipe body (1); The connector assembly 1 comprises a metal tube 1 (5) with an oil injection hole, the left end of the metal tube 1 (5) is provided with a pipe mouth rubber coating (4), the left end of the metal tube 1 (5) is assembled with the oil guide pipe body (1) through the pipe mouth rubber coating (4), the right end of the metal tube 1 (5) is provided with a bending rubber coating (7), the body of the bending rubber coating (7) is installed with a bushing 2 (6), and the right end of the metal tube 1 (5) is assembled with the connector assembly 2 through the bending rubber coating (7); The second connector assembly comprises a second metal tube (9) with an oil injection hole, the upper end of the second metal tube (9) is provided with a connecting rubber bag (8), and the upper end of the second metal tube (9) is assembled with the first connector assembly through the connecting rubber bag (8).
2. The oil inlet pipe assembly for a truck engine according to claim 1, characterized in that: One end of the oil guide pipe body (1) is embeddedly connected to the pipe mouth rubber coating (4), and the body of the bent rubber coating (7) is embeddedly connected to the body of the connecting rubber coating (8).
3. The oil inlet pipe assembly for a truck engine according to claim 1, characterized in that: The bushing 1 (2) and the bushing 2 (6) are both integrally injection-molded by a mold and are embedded.
4. The oil inlet pipe assembly for a truck engine according to claim 1, characterized in that: A support rib structure is provided at the assembly point of the oil guide pipe body (1) and the bushing one (2), and the support rib structure is also provided at the assembly point of the oil guide pipe body (1) and the connecting piece small assembly one.