Riveting device for hollow half shaft
By designing a riveting device for hollow half-shafts, a combination of ring-shaped components and connecting assemblies is used to achieve stable positioning and support of the hollow half-shafts, solving the problem of insufficient positioning in existing devices and improving riveting accuracy and versatility.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-04-03
AI Technical Summary
Existing riveting devices lack precise positioning and support for hollow half-shafts, resulting in decreased riveting accuracy. In particular, for hollow half-shafts with irregular shapes or special dimensions, the adaptability of general-purpose devices is insufficient.
A riveting device comprising a motor, a ring component, a riveting actuator, an auxiliary support structure, and connecting components is designed. It utilizes components such as a ring block, a clamping block, a spring, and a hinge seat to achieve stable positioning and support of the hollow half-shaft, and combines elastic buffering function to adapt to different installation environments.
It improves the precision of hollow half-shaft riveting and the versatility of the device, ensuring positional accuracy and product quality during the riveting process.
Smart Images

Figure CN224073292U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of riveting technology, specifically to a riveting device for hollow half-shafts. Background Technology
[0002] Hollow half-shafts are a key component of automotive transmission systems, transmitting power from the differential to the wheels. Compared to solid half-shafts, hollow half-shafts maintain sufficient strength while reducing weight, contributing to improved fuel economy and handling performance.
[0003] Currently, many existing riveting devices lack precise positioning and support structures specifically designed for hollow half-shafts. During the riveting process, the half-shaft is prone to positional shifts due to the lack of stable positioning and support, leading to decreased riveting accuracy and affecting product quality. Furthermore, existing general-purpose riveting devices may not provide sufficient adaptability for some irregularly shaped or specially sized hollow half-shafts, further exacerbating the difficulty of positioning and support. Therefore, we propose a riveting device for hollow half-shafts. Utility Model Content
[0004] The main objective of this invention is to provide a riveting device for hollow half-shafts, which can solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model proposes a riveting device for hollow half-shafts, including a motor. An annular component is provided on the outer wall of the motor, and the annular component holds a riveting actuator. The riveting actuator is fixedly connected to a riveting head. An auxiliary support structure is provided below the annular component, and a connecting component is provided on the auxiliary support structure. The auxiliary support structure includes:
[0006] An annular block is provided below the annular component, and a connecting rod is fixedly connected to the annular block. The connecting rod is fixedly connected to the clamping block.
[0007] A spring is used to elastically connect the surface of the clamping block to the vertical strip plate.
[0008] Preferably, the connecting component includes a movable groove, and the outer wall of the annular block has a movable groove.
[0009] Preferably, the movable slot has a hinged seat, and the hinged seat is fixedly connected to the vertical rod.
[0010] Preferably, the vertical rod passes through the annular component, and an elastic sheet is fixedly connected to the outer wall of the annular component. Rotating the vertical rod causes it to engage with the annular component, and the connection and auxiliary support effect is achieved through the installation limit of the annular component.
[0011] Preferably, the elastic sheet is provided in multiple sets, and the surface of the multiple sets of elastic sheets is provided with threaded sections, and the outward expansion of the elastic sheet facilitates the passage of the vertical rod.
[0012] Preferably, the threaded segment is threadedly connected to the threaded groove of the rotating block. By rotating the rotating block, the rotating block will move along the threaded segment. This movement will cause the elastic sheet to deform, thereby wrapping around the vertical rod, realizing the limitation and fixation of the vertical rod, thus achieving the effect of connecting auxiliary support.
[0013] This utility model provides a riveting device for hollow half-shafts. It has the following beneficial effects:
[0014] (1) The riveting device for hollow half shafts has an auxiliary support structure. The clamping block in the auxiliary support structure can stably position and support the hollow half shaft. During the riveting operation, which requires a large amount of pressure, the device can remain stable and will not shake or shift due to force. Combined with the adaptive buffering function of the spring, it ensures the positional accuracy of the half shaft during the riveting process, thereby improving the riveting accuracy and ensuring product quality.
[0015] (2) The riveting device for hollow half-shafts, through its connecting assembly, allows the hinged seat to rotate within the movable groove, enabling the vertical rod to flexibly adjust its angle when engaging the annular component. This flexibility allows the connecting assembly to adapt to different installation environments and working requirements, improving the device's versatility. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;
[0018] Figure 2 This is a schematic diagram of the auxiliary support structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the connecting component of this utility model;
[0020] Figure 4 For practical purposes Figure 3 Schematic diagram of structure A in the middle;
[0021] Figure 5 This is an exploded view of the connecting component of this utility model;
[0022] Figure 6 For practical purposes Figure 5 Schematic diagram of structure B in the middle;
[0023] Figure 7 This is a schematic diagram of the rotating block structure of this utility model.
[0024] Explanation of icon numbers:
[0025] 1. Motor; 2. Ring component; 3. Riveting actuator; 4. Riveting head; 5. Auxiliary support structure; 51. Ring block; 52. Connecting rod; 53. Clamping block; 54. Spring; 55. Vertical bar plate; 6. Connecting assembly; 61. Movable groove; 62. Hinge seat; 63. Vertical rod; 64. Elastic sheet; 65. Threaded section; 66. Rotating block; 67. Threaded groove.
[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0027] 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.
[0028] Please see Figures 1-7 This utility model proposes a riveting device for a hollow half-shaft. A motor 1 has an annular component 2 on its outer wall, which holds a riveting actuator 3. When the motor 1 starts, it rotates. The riveting actuator 3 converts the received power to perform the riveting operation. The riveting actuator 3 is fixedly connected to a riveting head 4. When the riveting actuator 3 moves linearly under power, the riveting head 4 moves accordingly to rivet the hollow half-shaft. After contacting the half-shaft and the rivet, the riveting head 4 applies pressure to cause plastic deformation of the rivet, thereby firmly riveting the relevant components of the half-shaft together. An auxiliary support structure 5 is provided below the annular component 2, and a connecting component 6 is provided on the auxiliary support structure 5. The auxiliary support structure 5 includes an annular block 51.
[0029] In this embodiment of the invention, to improve riveting accuracy and provide stable support for the riveting device, a ring block 51 is specifically provided below the ring component 2. A connecting rod 52 is fixedly connected to the ring block 51, and the connecting rod 52 is fixedly connected to the clamping block 53. During the riveting process, the clamping block 53 can provide a certain positioning and support for the hollow half-shaft being riveted, ensuring that the half-shaft maintains a stable position during riveting and preventing it from shifting under force. The surface of the clamping block 53 is elastically connected to the vertical strip plate 55 via a spring 54. When placing the hollow half-shaft, the spring 54 can provide a certain amount of buffering, facilitating accurate placement of the half-shaft. When the half-shaft is placed into the device, the spring 54 will extend and retract to a certain extent according to the size and shape of the half-shaft, allowing the clamping block 53 to adaptively adjust its position, ensuring that the half-shaft is stably clamped.
[0030] Furthermore, to ensure a stable connection and improve the versatility of the riveting device, the connecting component 6 specifically includes a movable groove 61. The outer wall of the annular block 51 has a movable groove 61, and a hinge seat 62 is rotatably connected to the movable groove 61. The hinge seat 62 is fixedly connected to the vertical rod 63, and the vertical rod 63 passes through the annular component 2. An elastic sheet 64 is fixedly connected to the outer wall of the annular component 2. Rotating the vertical rod 63 allows it to engage with the annular component 2, achieving a connection auxiliary support effect through installation limitation with the annular component 2. Multiple sets of elastic sheets 64 are provided, and threaded sections 65 are provided on the surface of the multiple sets of elastic sheets 64. The outward expansion of the elastic sheets 64 facilitates the passage of the vertical rod 63. The threaded sections 65 are threadedly connected to the threaded groove 67 of the rotating block 66. By rotating the rotating block 66, the rotating block 66 will move along the threaded section 65. This movement will deform the elastic sheet 64, thereby wrapping around the vertical rod 63, achieving limitation and fixation of the vertical rod 63, thus achieving the connection auxiliary support effect.
[0031] In this invention, during use, the vertical rod 63 is rotated to connect with the annular component 2. The connection and auxiliary support effect are achieved through the installation limit of the annular component 2. The outward expansion of the elastic plate 64 on the annular component 2 facilitates the passage of the vertical rod 63. By rotating the rotating block 66, the rotating block 66 will move along the threaded section 65. This movement will deform the elastic plate 64, thereby wrapping around the vertical rod 63, achieving the limitation and fixation of the vertical rod 63, thus achieving the connection and auxiliary support effect. When the motor 1 is started, the riveting actuator 3 moves linearly under the action of power, and the riveting head 4 will move accordingly. During the riveting process, the clamping block 53 can play a certain positioning and support role for the hollow half-shaft being riveted, ensuring that the half-shaft maintains a stable position during riveting and preventing it from shifting during the force process. When placing the hollow half-shaft, the spring 54 can provide a certain buffer to facilitate the accurate placement of the half-shaft. When the half-shaft is placed into the device, the spring 54 will extend or retract to a certain extent according to the size and shape of the half-shaft, so that the clamping block 53 can adaptively adjust its position to ensure that the half-shaft is stably clamped.
[0032] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A riveting device for a hollow half-shaft, comprising a motor (1), characterized in that: The outer wall of the motor (1) is provided with an annular component (2), which holds a riveting actuator (3). The riveting actuator (3) is fixedly connected to the riveting head (4). An auxiliary support structure (5) is provided below the annular component (2), and a connecting component (6) is provided on the auxiliary support structure (5). The auxiliary support structure (5) includes: An annular block (51) is provided below the annular component (2). The annular block (51) is fixedly connected to a connecting rod (52), and the connecting rod (52) is fixedly connected to a clamping block (53). Spring (54), the surface of the clamping block (53) is elastically connected to the vertical strip plate (55) by spring (54).
2. The riveting device for a hollow half-shaft according to claim 1, characterized in that: The connecting component (6) includes a movable groove (61), and the outer wall of the annular block (51) is provided with a movable groove (61).
3. A riveting device for a hollow half-shaft according to claim 2, characterized in that: The movable slot (61) has a hinge seat (62) that rotates, and the hinge seat (62) is fixedly connected to the vertical rod (63).
4. A riveting device for a hollow half-shaft according to claim 3, characterized in that: The vertical rod (63) passes through the annular component (2), and an elastic sheet (64) is fixedly connected to the outer wall of the annular component (2).
5. A riveting device for a hollow half-shaft according to claim 4, characterized in that: The elastic sheet (64) is provided in multiple sets, and the surface of the multiple sets of elastic sheets (64) is provided with threaded sections (65).
6. A riveting device for a hollow half-shaft according to claim 5, characterized in that: The threaded section (65) is threadedly connected to the threaded groove (67) of the rotating block (66).