Riveting structure of controller
By designing a triangle 15° edge on the upper shell of the controller and using a combination of pins and limit washers, the positioning and fixing of the PCBA board is achieved, and stamping and riveting are used instead of bolt fixing, solving the problem of high installation complexity in the prior art and improving efficiency and stability.
Patent Information
- Application Number
- CN202422086034.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The existing controller structure needs to be installed with bolts to fix the quality control panel, resulting in high installation complexity, low efficiency and poor convenience.
By designing a triangular 15° edge on the upper shell, combining multiple sets of pins and limit washers, the positioning and fixing of the PCBA plate is achieved, and stamping and riveting is used instead of conventional bolt fixing.
The complexity required for bolt fixation is reduced, production costs are reduced, work efficiency is improved, and the stability of the PCBA board and the reliability of the riveted fitting surface are improved through riveted mode.
Smart Images

Figure CN222981814U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of riveting structures, in particular to a riveting structure of a controller. Background Art
[0002] In the fields of industrial automation and precision equipment manufacturing, the stable connection of the controller is the key to ensuring the stable operation of the equipment and extending its service life. With the continuous progress of technology, especially in industries such as aerospace, automobile manufacturing, and electronic equipment manufacturing, the requirements for the stability and reliability of the controller and its connection structure are increasing day by day. Therefore, it is particularly important to design an efficient and reliable riveting structure for the controller.
[0003] Currently, in the existing controllers, such as the patent with the authorization announcement number CN219145880U, a controller structure provided by this utility model relates to the technical field of vehicle accessories, and to a certain extent, optimizes the structure of the controller housing and reduces the maintenance difficulty of the control board. The controller structure provided by this utility model includes a housing assembly and a control board assembly; the housing assembly includes a main housing, a first end cover, and a second end cover. Openings are respectively formed at both ends of the main housing, and the second end cover seals the opening at one end of the main housing.
[0004] However, it is found in use that the quality control board of this structure needs to be fixed with bolts, which increases the complexity of the structure installation, reduces the installation efficiency, and reduces the convenience of use. Content of the Utility Model
[0005] To solve the above technical problems, the utility model provides a riveting structure of a controller that reduces the complexity of conventional bolt fixation, reduces production costs, improves work efficiency, and releases the fillet stress through the design of a 15° triangle on the upper housing, making the riveting fit surface more reliable.
[0006] A riveting structure of a controller of the present utility model includes an upper housing and a lower cover plate, and the lower cover plate is installed at the top of the upper housing; it further includes a PCBA board, multiple groups of pins and multiple groups of limit washers. Multiple groups of pins are all arranged on the inner side wall of the upper housing. Multiple through holes are arranged on the PCBA board. The multiple through holes of the PCBA board are respectively sleeved on the multiple groups of pins. Multiple groups of limit washers are respectively sleeved on the outer side walls of the multiple groups of pins, and the bottoms of the multiple groups of limit washers are all in tight contact with the outer side wall of the PCBA board. The upper housing and the lower cover plate are fixed by stamping and riveting; the shapes of multiple groups of pins are processed on the upper housing, multiple through holes are processed on the PCBA board, and then the multiple through holes of the PCBA board are sleeved on the multiple groups of pins, so that the multiple groups of pins position the PCBA board. Then, the multiple groups of limit washers are sleeved on the upper parts of the multiple groups of pins. By stamping and riveting the lower cover plate and the upper housing, the lower cover plate presses and fixes the PCBA board through the multiple groups of limit washers, improving the stability of the PCBA board, thereby realizing the processing and forming of the controller. The PCBA board is fixed by the multiple groups of pins and the multiple groups of limit washers, reducing the complexity of conventional bolt fixation, reducing production costs, and improving work efficiency.
[0007] Preferably, it further includes a groove and a sealing ring. The groove is arranged on the outer side wall of the upper housing, and the sealing ring is arranged on the groove; after the upper housing and the lower cover plate are fixed by press riveting, the upper housing and the lower cover plate are sealed by the sealing ring, improving the sealing effect inside the controller.
[0008] Preferably, the four peripheral edges of the upper housing adopt a triangular 15° design; after the upper housing and the lower cover plate are press riveted, the rounded corner stress is released through the triangular 15° design on the upper housing, making the riveting and fitting surface more reliable.
[0009] Preferably, both the upper housing and the lower cover plate adopt a one-time forming design of aluminum alloy plates; reducing the processing complexity, improving the processing efficiency, and improving the electromagnetic interference resistance of the PCBA board by using aluminum alloy materials.
[0010] Preferably, it further includes a step, and the step is arranged on the pin; by setting the step, the support and limit effect of the pin on the PCBA board is improved, and the installation and positioning convenience of the PCBA board is improved.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: multiple sets of pin shapes are processed on the upper shell, multiple sets of through holes are processed on the PCBA board, and then the multiple sets of through holes on the PCBA board are sleeved on the multiple sets of pins, so that the multiple sets of pins position the PCBA board. Then, multiple sets of limit washers are sleeved on the upper parts of the multiple sets of pins. By stamping and riveting the lower cover plate and the upper shell, the lower cover plate presses and fixes the PCBA board through the multiple sets of limit washers, improving the stability of the PCBA board, thereby realizing the processing and forming of the controller. The PCBA board is fixed by the multiple sets of pins and the multiple sets of limit washers, reducing the complexity of conventional bolt fixing, reducing production costs, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is an axonometric structural schematic diagram of the present utility model;
[0013] Figure 2 is an axonometric partial structural schematic diagram of the connection between the upper shell and the pins, etc.;
[0014] Figure 3 is an axonometric partial structural schematic diagram of the connection between the upper shell and the grooves, etc.;
[0015] Figure 4 is an axonometric partial structural schematic diagram of the connection between the pins and the steps, etc.;
[0016] Figure 5 is an axonometric partial structural schematic diagram of the connection between the upper shell and the lower cover plate, etc.
[0017] Reference numerals in the drawings: 1. Upper shell; 2. Lower cover plate; 3. PCBA board; 4. Pins; 5. Limit washers; 6. Grooves; 7. Sealing rings; 8. Steps. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.
[0019] Embodiment 1
[0020] As Figures 1 to 5As shown in the figure, a riveting structure of a controller of the present utility model includes an upper housing 1 and a lower cover plate 2, and the lower cover plate 2 is installed at the top of the upper housing 1; it further includes a PCBA board 3, multiple groups of pins 4 and multiple groups of limit washers 5. Multiple groups of pins 4 are all arranged on the inner side wall of the upper housing 1. Multiple through holes are arranged on the PCBA board 3, and multiple through holes of the PCBA board 3 are respectively sleeved on multiple groups of pins 4. Multiple groups of limit washers 5 are respectively sleeved on the outer side walls of multiple groups of pins 4, and the bottoms of multiple groups of limit washers 5 are all in close contact with the outer side wall of the PCBA board 3. The upper housing 1 and the lower cover plate 2 are fixed by stamping and riveting;
[0021] As Figure 3 shown, it further includes a groove 6 and a sealing ring 7. The groove 6 is arranged on the outer side wall of the upper housing 1, and the sealing ring 7 is arranged on the groove 6;
[0022] In this embodiment, the shapes of multiple groups of pins 4 are processed on the upper housing 1, and multiple through holes are processed on the PCBA board 3. Then, multiple through holes of the PCBA board 3 are sleeved on multiple groups of pins 4, so that multiple groups of pins 4 position the PCBA board 3. Then, multiple groups of limit washers 5 are sleeved on the upper parts of multiple groups of pins 4. By stamping and riveting the lower cover plate 2 and the upper housing 1, the lower cover plate 2 presses and fixes the PCBA board 3 through multiple groups of limit washers 5, improving the stability of the PCBA board 3, thereby realizing the processing and forming of the controller. The PCBA board 3 is fixed by multiple groups of pins 4 and multiple groups of limit washers 5, reducing the complexity of conventional bolt fixation, reducing production costs, and improving work efficiency.
[0023] Embodiment 2
[0024] On the basis of Embodiment 1, as Figure 2 shown, a riveting structure of a controller of the present utility model, the four peripheries of the upper housing 1 adopt a design of 15° triangles;
[0025] As Figure 1 shown, both the upper housing 1 and the lower cover plate 2 adopt a one-time forming design of aluminum alloy plates;
[0026] As Figure 4 shown, it further includes a step 8, and the step 8 is arranged on the pin 4;
[0027] In this embodiment, after the upper housing 1 and the lower cover plate 2 are fixed by press riveting, the upper housing 1 and the lower cover plate 2 are sealed by the sealing ring 7, improving the sealing effect inside the controller. After the upper housing 1 and the lower cover plate 2 are press riveted, the rounded corner stress is released through the 15° triangle design on the upper housing 1, making the riveting joint surface more reliable.
[0028] A riveting structure of a controller of the present utility model, when working, processes the shapes of multiple groups of pins 4 on the upper housing 1, processes multiple groups of through holes on the PCBA board 3, then sets the multiple groups of through holes of the PCBA board 3 on the multiple groups of pins 4, so that the multiple groups of pins 4 position the PCBA board 3. Then, sets multiple groups of limit washers 5 on the upper parts of the multiple groups of pins 4. By stamping and riveting the lower cover plate 2 and the upper housing 1, the lower cover plate 2 presses and fixes the PCBA board 3 through the multiple groups of limit washers 5.
[0029] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. A riveting structure of a controller, comprising an upper shell (1) and a lower cover (2), wherein the lower cover (2) is mounted on the top of the upper shell (1); characterized in that: The invention also comprises a PCBA board (3), a plurality of groups of latches (4) and a plurality of groups of limiting washers (5), wherein the plurality of groups of latches (4) are all arranged on the inner side wall of the upper shell (1), the PCBA board (3) is provided with a plurality of groups of through holes, the plurality of groups of through holes of the PCBA board (3) are respectively mounted on the plurality of groups of latches (4), the plurality of groups of limiting washers (5) are respectively mounted on the outer side walls of the plurality of groups of latches (4), and the bottom ends of the plurality of groups of limiting washers (5) are all tightly attached to the outer side wall of the PCBA board (3), and the upper shell (1) and the lower cover plate (2) are fixed by stamping and riveting.
2. A riveting structure of a controller as claimed in claim 1, characterized in that: It also comprises a groove (6) and a sealing ring (7), wherein the groove (6) is arranged on the outer side wall of the upper shell (1), and the sealing ring (7) is arranged on the groove (6).
3. A riveting structure of a controller as claimed in claim 1, characterized in that: The edges of the upper shell (1) are designed to be triangular at 15°.
4. A riveting structure of a controller as claimed in claim 1, characterized in that: The upper shell (1) and the lower cover plate (2) are both designed to be formed in one step from an aluminum alloy plate.
5. The riveting structure of a controller according to claim 1, characterized in that: It also comprises a step (8), which is arranged on the latch (4).
Citation Information
Patent Citations
Controller structure
CN219145880U