Powder metallurgy gear convenient to assemble
By designing mounting port components and mating components on powder metallurgy gears, combined with fixing bolts and nuts, the problem of time-consuming and labor-intensive assembly of traditional powder metallurgy gears is solved, achieving a fast and stable connection effect.
Patent Information
- Application Number
- CN202520136239.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Traditional powder metallurgy gear assembly is prone to damage and is time-consuming and labor-intensive, increasing the difficulty of assembly.
The design includes a first half gear, a second half gear, a mounting port assembly, a fitting assembly, and a fixing assembly. Through the cooperation of fixing bolts and nuts, a quick and stable connection is achieved.
This enables convenient assembly of powder metallurgy gears, avoids damage and misalignment during assembly, and improves assembly efficiency.
Smart Images

Figure CN223622136U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powder metallurgy gear technology, specifically to a powder metallurgy gear that is easy to assemble. Background Technology
[0002] Powder metallurgy gears, as an important mechanical component, are widely used in many fields. Their manufacturing process has unique advantages. By making gears from metal powder through processes such as pressing and sintering, material utilization can be effectively improved and production costs reduced. In traditional manufacturing, powder metallurgy gears have replaced some traditionally machined gears due to their good precision and mechanical properties. With the development of technology, the performance requirements for gears are constantly increasing, and powder metallurgy technology is also constantly innovating, bringing new opportunities and challenges to gear manufacturing. For example, in the fields of automobiles and aerospace, the application of powder metallurgy gears is becoming increasingly widespread.
[0003] Powder metallurgy gears require assembly before use. Traditionally, workers use specialized tools to press the powder metallurgy gears into the corresponding positions on the gear shaft. However, because the powder metallurgy gear is a single unit, the pressing tool may come into contact with the gear and cause damage. Furthermore, the assembly process is time-consuming and labor-intensive, making it inconvenient and increasing the difficulty of assembling powder metallurgy gears. Utility Model Content
[0004] To address the problems mentioned in the background art, the purpose of this utility model is to provide a powder metallurgy gear that is easy to assemble, thus solving the problem of time-consuming and labor-intensive assembly of powder metallurgy gears, which increases the difficulty of assembling them.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a powder metallurgy gear that is easy to assemble, comprising a first half gear, a second half gear disposed on the right side of the first half gear, an mounting port assembly disposed on the inner side of the first half gear and the second half gear, a mating assembly disposed on the inner side of the first half gear and the second half gear, and a fixing assembly disposed on the inner side of the mating assembly.
[0006] As a preferred embodiment of the present invention, the mounting port assembly includes a fixing groove, which is formed on the inner side of the first half gear and the second half gear. The inner and outer sides of the first half gear and the second half gear are provided with fixing grooves. There are several fixing grooves, and the several fixing grooves are distributed at equal distances. A communication port is formed on the inner side of the fixing groove.
[0007] As a preferred embodiment of the present invention, the fitting component includes a first fitting block, a second fitting block is provided on the right side of the first fitting block, the outer side of the first fitting block is fixedly connected to the inner side of the left fixing groove, the outer side of the second fitting block is fixedly connected to the inner side of the right fixing groove, and threaded holes are provided inside the first fitting block and the second fitting block, and the number of threaded holes is several, and the several threaded holes are distributed at equal distances.
[0008] As a preferred embodiment of this utility model, the fixing component includes a number of fixing bolts, which are distributed at equal intervals. The inner sides of the first mating block and the second mating block are penetrated by the surface of the fixing bolts, and a fixing nut is threaded onto the inner side of the surface of the fixing bolts.
[0009] As a preferred embodiment of this utility model, a fastening groove is provided on the outer side of the fixing groove, and the number of fastening grooves is several, and the several fastening grooves are distributed at equal distances.
[0010] As a preferred embodiment of this utility model, a first locking disc is fixedly connected to the outer side of the surface of the fixing bolt, and the inner side of the first locking disc contacts the inner side of the outer fastening groove.
[0011] As a preferred embodiment of this utility model, a second locking disc is fixedly connected to the outer side of the fixing nut, the inner thread of the second locking disc is connected to the surface of the fixing bolt, and the outer side of the second locking disc is in contact with the inner side of the inner fastening groove.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model, when assembling and connecting powder metallurgy gears, first moves the first half-gear, which is fixedly connected to the first mating block, to the right to the left side of the second half-gear, which is fixedly connected to the second mating block. When the inner and outer sides of the first and second mating blocks respectively contact and connect, the fixing bolt, which is fixedly installed with the first locking disc, is inserted along the outer side of the mounting groove to the inner fixing groove of the connecting hole. Then, the fixing nut, which is fixedly installed with the first locking disc, is rotated and installed on the inner side of the fixing bolt surface. After the fixing nut is rotated to a suitable force using a professional tool, the first half-gear and the second half-gear are connected and fixed, and the powder metallurgy gear can be assembled and used. This has the advantage of easy assembly. By connecting and fixing the first half-gear and the second half-gear, the powder metallurgy gear can be quickly assembled. The assembly of powder metallurgy gears is not difficult.
[0014] 2. By setting up an installation port component, this utility model can quickly connect the first half gear and the second half gear during assembly, preventing misalignment of the first half gear and the second half gear during assembly. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a perspective view of the fixing groove of this utility model;
[0017] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0018] Figure 4 This is a perspective view of the first mating block of this utility model;
[0019] Figure 5 This is a perspective view of the fixing bolt of this utility model.
[0020] In the diagram: 1. First half gear; 2. Second half gear; 3. Mounting port assembly; 31. Fixing groove; 32. Fixing recess; 33. Connecting port; 4. Mating assembly; 41. First mating block; 42. Second mating block; 43. Threaded hole; 5. Fixing assembly; 51. Fixing bolt; 52. Fixing nut; 6. Fastening groove; 7. First locking disc; 8. Second locking disc. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figures 1 to 5 As shown, the present invention provides a powder metallurgy gear that is easy to assemble, including a first half gear 1, a second half gear 2 disposed on the right side of the first half gear 1, an installation port assembly 3 disposed on the inner side of the first half gear 1 and the second half gear 2, a mating assembly 4 disposed on the inner side of the first half gear 1 and the second half gear 2, and a fixing assembly 5 disposed on the inner side of the mating assembly 4.
[0023] refer to Figure 3 The mounting port assembly 3 includes a fixing groove 31, which is opened on the inner side of the first half gear 1 and the second half gear 2. The inner and outer sides of the first half gear 1 and the second half gear 2 are provided with fixing grooves 32. There are several fixing grooves 32, and the several fixing grooves 32 are distributed at equal distances. The inner side of the fixing groove 32 is provided with a connecting port 33.
[0024] As a technical optimization of this utility model, by setting the mounting port component 3, the first half gear 1 and the second half gear 2 can be quickly connected during assembly, preventing the first half gear 1 and the second half gear 2 from shifting during assembly.
[0025] refer to Figure 4 The fitting component 4 includes a first fitting block 41, and a second fitting block 42 is provided on the right side of the first fitting block 41. The outer side of the first fitting block 41 is fixedly connected to the inner side of the left fixing groove 31, and the outer side of the second fitting block 42 is fixedly connected to the inner side of the right fixing groove 31. Both the first fitting block 41 and the second fitting block 42 have threaded holes 43 inside. There are several threaded holes 43, and the several threaded holes 43 are distributed at equal distances.
[0026] As a technical optimization of this utility model, by setting the fitting component 4, the first half gear 1 and the second half gear 2 can be accurately connected together, ensuring the accuracy and stability of the connection.
[0027] refer to Figure 5 The fixing component 5 includes a number of fixing bolts 51, which are distributed at equal intervals. The inner side of the first mating block 41 and the second mating block 42 is penetrated by the surface of the fixing bolts 51, and a fixing nut 52 is threaded on the inner side of the surface of the fixing bolts 51.
[0028] As a technical optimization of this utility model, by setting the fixing component 5, the first half gear 1 and the second half gear 2 can be quickly fixedly connected, preventing the connection between the first half gear 1 and the second half gear 2 from becoming loose during use.
[0029] refer to Figure 3 The outer side of the fixing groove 32 is provided with a fastening groove 6. There are several fastening grooves 6, and the several fastening grooves 6 are distributed at equal distances.
[0030] As a technical optimization of this utility model, by setting the fastening groove 6, the fixing component 5 can increase the fixing force when fixing the first half gear 1 and the second half gear 2, so as to prevent the first half gear 1 and the second half gear 2 from becoming loose during use after being fixedly connected.
[0031] refer to Figure 5 The outer side of the fixing bolt 51 is fixedly connected to the first locking disc 7, and the inner side of the first locking disc 7 is in contact with the inner side of the outer fastening groove 6.
[0032] As a technical optimization of this utility model, by setting the first locking disc 7, the locking force of the fixing component 5 can be increased when it is fixed, so as to prevent the fixing component 5 from becoming loose during use.
[0033] refer to Figure 5 A second locking disc 8 is fixedly connected to the outside of the fixing nut 52. The internal thread of the second locking disc 8 is connected to the surface of the fixing bolt 51. The outside of the second locking disc 8 is in contact with the inside of the inner fastening groove 6.
[0034] As a technical optimization of this utility model, by setting a second locking disc 8, the fixing force between the fixing nut 52 and the fixing bolt 51 can be increased, preventing the fixing nut 52 from loosening during use.
[0035] The working principle and usage process of this utility model are as follows: When assembling and connecting the powder metallurgy gear, the first half gear 1, which is fixedly connected to the first engaging block 41, is first moved to the right to the left side of the second half gear 2, which is fixedly connected to the second engaging block 42. When the inner and outer sides of the first engaging block 41 and the second engaging block 42 respectively come into contact and connect, the fixing bolt 51, which is fixedly installed with the first locking disc 7, is inserted along the outer side of the mounting and fixing groove 32 to the inner fixing groove 32 of the connecting hole. Then, the fixing nut 52, which is fixedly installed with the first locking disc 7, is rotated and installed on the inner side of the surface of the fixing bolt 51. After the fixing nut 52 is rotated and tightened to a suitable force using a professional tool, the first half gear 1 and the second half gear 2 are connected and fixed, and the powder metallurgy gear can be assembled and used, thus having the advantage of easy assembly.
[0036] In summary, this easy-to-assemble powder metallurgy gear, through the coordinated use of the first half gear 1, the second half gear 2, the mounting port assembly 3, the mating assembly 4, and the fixing assembly 5, solves the problem of time-consuming and labor-intensive assembly of powder metallurgy gears, which increases the difficulty of assembling powder metallurgy gears.
[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A powder metallurgy gear that is easy to assemble, comprising a first half gear (1), characterized in that: A second half gear (2) is provided on the right side of the first half gear (1). An installation port assembly (3) is provided on the inner side of the first half gear (1) and the second half gear (2). A mating assembly (4) is provided on the inner side of the first half gear (1) and the second half gear (2). A fixing assembly (5) is provided on the inner side of the mating assembly (4).
2. The powder metallurgy gear that is easy to assemble according to claim 1, characterized in that: The mounting port assembly (3) includes a fixing groove (31), which is opened on the inner side of the first half gear (1) and the second half gear (2). The inner and outer sides of the first half gear (1) and the second half gear (2) are provided with fixing grooves (32). There are several fixing grooves (32), and the several fixing grooves (32) are distributed at equal distances. The inner side of the fixing groove (32) is provided with a connecting port (33).
3. The powder metallurgy gear that is easy to assemble according to claim 2, characterized in that: The fitting component (4) includes a first fitting block (41), and a second fitting block (42) is provided on the right side of the first fitting block (41). The outer side of the first fitting block (41) is fixedly connected to the inner side of the left fixing groove (31), and the outer side of the second fitting block (42) is fixedly connected to the inner side of the right fixing groove (31). Both the first fitting block (41) and the second fitting block (42) have threaded holes (43) inside. The number of threaded holes (43) is several, and the several threaded holes (43) are distributed at equal distances.
4. The powder metallurgy gear that is easy to assemble according to claim 3, characterized in that: The fixing component (5) includes fixing bolts (51), and the number of fixing bolts (51) is several, and the several fixing bolts (51) are distributed at equal distances. The inner side of the surface of the fixing bolt (51) penetrates the first mating block (41) and the second mating block (42), and the inner side of the surface of the fixing bolt (51) is threaded with a fixing nut (52).
5. A powder metallurgy gear that is easy to assemble according to claim 2, characterized in that: The outer side of the fixing groove (32) is provided with a fastening groove (6), and the number of fastening grooves (6) is several, and the several fastening grooves (6) are distributed at equal distances.
6. The powder metallurgy gear that is easy to assemble according to claim 4, characterized in that: The outer side of the fixing bolt (51) is fixedly connected to the first locking disc (7), and the inner side of the first locking disc (7) is in contact with the inner side of the outer fastening groove (6).
7. The powder metallurgy gear that is easy to assemble according to claim 4, characterized in that: The outer side of the fixing nut (52) is fixedly connected to a second locking disc (8), the inner thread of the second locking disc (8) is connected to the surface of the fixing bolt (51), and the outer side of the second locking disc (8) is in contact with the inner side of the inner fastening groove (6).