Riveting point integrated tool

By using the positioning mechanism and pressurizing components of the integrated riveting fixture, the problem of unstable riveting position during sensor protective cover assembly was solved, achieving efficient and stable assembly of the protective cover.

CN223617113UActive Publication Date: 2025-12-02HUANGSHAN XINXIAN AUTOMOTIVE ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202423261933.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-02
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing technology for assembling sensor protective covers is cumbersome, requiring two steps of riveting, and the riveting points are unstable and prone to springing back, leading to assembly failure.

Method used

The tooling for rivet points is integrated, including a positioning mechanism and a pressurizing component. Through the positioning cylinder, guide support block, elastic pressing support cylinder block, rivet pin, pin spring, ball bearings and other structures, the pressing of the protective cover and the rivet point are combined into one process, ensuring the stability of the rivet point position.

Benefits of technology

It improves assembly efficiency, avoids the problem of protective cover springback, ensures stable rivet positions, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a riveting point integrated tool, which belongs to the technical field of sensor probe protective cover riveting points, and comprises a positioning mechanism and a pressurizing assembly of a terminal machine, a guide supporting block is arranged at a notch between the inner wall of the positioning cylinder and the outer wall of the elastic downward-pressing supporting cylinder block, a placement opening and mounting openings are formed in the circle center of the elastic downward-pressing supporting cylinder block, a protective cover and a sensor probe are arranged in the placement opening, and a riveting point structure is arranged in each mounting opening; according to the utility model, a protective cover press-fitting process and a protective cover point riveting process are combined into one process, so that the time and redundant assembling steps are reduced, the protective cover assembling efficiency is improved, the problem of springback of the protective cover after press-fitting in the traditional process is avoided, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. The stability of the riveting point position is ensured, and the assembling scheme is optimized.
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Description

Technical Field

[0001] This utility model mainly relates to the technical field of riveting points for sensor probe protective covers, specifically a riveting point integrated tooling. Background Technology

[0002] A sensor is a device or apparatus that can sense a specified measurand and convert it into a usable signal according to a certain rule. It usually consists of three parts: a sensing element, a conversion element, and a basic conversion circuit. Sensors generally work based on physical, chemical, biological, and other effects and laws, converting changes in the measurand into signals that are easy to measure and process, such as electrical signals, optical signals, and magnetic signals.

[0003] A sensor protective cover is a shell or cover used to protect a sensor. Currently, some sensor assembly processes require two steps: a protective cover pressing process and a protective cover riveting process. In the riveting process, four points need to be riveted, which requires employees to do in two steps. The two riveting positions require the protective cover to be rotated 90°. Employees cannot guarantee the consistency of operation and the required angle when operating manually. During this process, the protective cover is prone to springback after pressing, which causes the sensor and the protective cover to separate, resulting in assembly failure and the need for a second pressing. The process is cumbersome and inefficient. Utility Model Content

[0004] This utility model provides a solution that is significantly different from existing technologies, addressing the problem that existing solutions are too simplistic. Specifically, this utility model provides an integrated riveting fixture to solve the technical problem mentioned in the background that the current sensor protective cover assembly is divided into two processes: a protective cover pressing process and a protective cover riveting process. During the riveting process, it needs to be carried out in two steps, during which the protective cover after pressing is prone to springback, causing assembly failure.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0006] A riveting fixture includes a positioning mechanism and a terminal crimping assembly. The positioning mechanism includes a positioning cylinder and an elastic pressing support cylinder block. The elastic pressing support cylinder block is located inside the positioning cylinder, and a guide support block is provided at the notch between the inner wall of the positioning cylinder and the outer wall of the elastic pressing support cylinder block. A placement opening is provided at the center of the elastic pressing support cylinder block, and mounting openings are evenly distributed around the placement opening. A protective cover is provided inside the placement opening, and a sensor probe is assembled with the protective cover. A riveting structure is provided in each mounting opening, and the pressing assembly is located above the sensor probe.

[0007] Furthermore, each of the rivet structures includes a rivet pin, a pin spring, and a ball. The tip of the rivet pin faces the protective cover side, the pin spring is sleeved on the rivet pin, the ball slides along the guide support block, and the ball is movably connected to the tail end of the rivet pin.

[0008] Furthermore, the elastic pressing support cylinder block and the positioning cylinder are limited by bolts, and the elastic pressing support cylinder block moves up and down on the bolts.

[0009] Furthermore, the guide support blocks are distributed around the inner wall of the positioning cylinder at equal intervals by bolts.

[0010] Furthermore, the positioning mechanism also includes a sliding base plate and a lower support base plate, which are slidably connected, and the sliding base plate and the positioning cylinder are connected by bolts.

[0011] Furthermore, a tension bolt is provided on one side of the sliding base plate.

[0012] Furthermore, the pressurization assembly includes a probe upper pressure column, and the lower end of the probe upper pressure column is provided with an upper pressure fixing plate and an upper pressure auxiliary support. The upper pressure fixing plate presses the sensor probe into the protective cover.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This utility model, through the design of a positioning cylinder, guide support block, elastic pressing support cylinder block, rivet pin, pin spring, ball bearing, sliding base plate, tension bolt, lower support base plate, and pressure assembly, combines the protective cover pressing process and the protective cover riveting process into one process. This reduces time and unnecessary assembly steps, improves the efficiency of protective cover assembly, and allows for simultaneous riveting of four points in one operation. During this process, the protective cover does not need to be rotated by the operator, avoiding the springback problem that occurs after the protective cover is pressed in the traditional process. This ensures the stability of the riveting point position, facilitates operator operation, and has certain practical value.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is an exploded view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the elastic compression support cylindrical block of this utility model.

[0019] In the diagram: 1. Positioning mechanism; 11. Positioning cylinder; 111. Guide support block; 12. Elastic downward support cylinder block; 121. Placement port; 122. Mounting port; 13. Rivet pin; 14. Pin spring; 15. Ball bearing; 16. Sliding base plate; 17. Tension bolt; 18. Lower support base plate; 2. Protective cover; 3. Sensor probe; 4. Pressurization assembly; 41. Probe upper pressure column; 42. Upper pressure fixing plate; 43. Upper pressure auxiliary support column. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] Please refer to the appendix carefully. Figure 1-3 A riveting fixture includes a positioning mechanism 1 and a terminal pressurizing assembly 4. The positioning mechanism 1 includes a positioning cylinder 11 and an elastic pressing support cylinder block 12. The elastic pressing support cylinder block 12 is located inside the positioning cylinder 11, and a guide support block 111 is provided at the notch between the inner wall of the positioning cylinder 11 and the outer wall of the elastic pressing support cylinder block 12. A placement port 121 is provided at the center of the elastic pressing support cylinder block 12, and mounting ports 122 are evenly distributed around the placement port 121. A protective cover 2 is provided inside the placement port 121, and a sensor probe 3 is assembled with the protective cover 2. A riveting structure is provided in each mounting port 122. The pressurizing assembly 4 is located above the sensor probe 3.

[0024] The above structure combines the press-fitting process of the protective cover 2 and the riveting process of the protective cover 2 into one process, reducing time and unnecessary assembly steps, improving the efficiency of assembling the protective cover 2, avoiding the springback problem that exists after press-fitting the protective cover 2 in the traditional process, ensuring the stability of the riveting position, facilitating operation by workers, and has certain practical value.

[0025] The specific operation is as follows: First, the operator places the protective cover 2 into the placement opening 121 of the elastic pressing support cylindrical block 12 for contour positioning. Then, the sensor probe 3 is pre-installed into the protective cover 2. The probe pressing column 41 of the terminal machine presses down to press the sensor probe 3 into the protective cover 2. When it is pressed into place, the upper pressing support column 43 contacts the elastic pressing support cylindrical block 12. As the guide support block 111 moves down, the four balls 15 in the elastic pressing support cylindrical block 12 simultaneously rivet the four rivet pins 13 to one side of the protective cover 2. The pin spring 14 is compressed. When the probe pressing column 41 moves up, the elastic pressing support cylindrical block 12 moves upward due to the spring reaction force. The balls 15 and rivet pins 13 in the elastic pressing support cylindrical block 12 move to both sides along the inclined surface of the guide support block 111 due to the reaction force of the pin spring 14. When the probe pressing column 41 rises to the highest point, one cycle of motion is completed. After pressing, there is no springback, and the rivet position is stable.

[0026] Please refer to the appendix carefully. Figure 1 and attached Figure 2 The elastic downward support cylindrical block 12 and the positioning cylinder 11 are limited by bolts, and the elastic downward support cylindrical block 12 moves up and down on the bolts. The elastic downward support cylindrical block 12 can move up and down within the positioning cylinder 11, but the range of motion is limited to the height of the inclined portion of the guide support block 111. The guide support blocks 111 are evenly distributed around the inner wall of the positioning cylinder 11 by bolts. The positioning mechanism 1 also includes a sliding base plate 16 and a lower support base plate 18, which are slidably connected. The sliding base plate 16 and the positioning cylinder 11 are connected by bolts. The cooperation between the plates 18 enables the assembled sensor to be removed from directly below the pressure assembly 4. A tension bolt 17 is provided on one side of the sliding base plate 16, which provides a point of force to facilitate pulling the sliding base plate 16. The pressure assembly 4 includes a probe upper pressure column 41. The lower end of the probe upper pressure column 41 is provided with an upper pressure fixing plate 42 and an upper pressure auxiliary support column 43. The upper pressure fixing plate 42 presses the sensor probe 3 into the protective cover 2. Through the pressure assembly 4, the sensor probe 3 can be pressed into the protective cover 2 with just one downward action, while driving the four rivet pins 13 to rivet the protective cover 2.

[0027] Please refer to the appendix carefully. Figure 3 Each of the rivet structures includes a rivet pin 13, a pin spring 14, and a ball 15. The tip of the rivet pin 13 faces one side of the protective cover 2. The pin spring 14 is sleeved on the rivet pin 13. The ball 15 slides along the guide support block 111 and is movably connected to the tail end of the rivet pin 13. Through the cooperation between the rivet pin 13, the pin spring 14, and the ball 15, rivet points at four points around the protective cover 2 can be riveted simultaneously.

[0028] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A riveting fixture, comprising a positioning mechanism (1) and a terminal crimping machine pressure assembly (4), characterized in that, The positioning mechanism (1) includes a positioning cylinder (11) and an elastic pressing support cylinder block (12). The elastic pressing support cylinder block (12) is located inside the positioning cylinder (11), and a guide support block (111) is provided at the gap between the inner wall of the positioning cylinder (11) and the outer wall of the elastic pressing support cylinder block (12). The center of the elastic pressing support cylinder block (12) is provided with a placement port (121) and mounting ports (122) evenly distributed around the placement port (121). A protective cover (2) is provided inside the placement port (121), and a sensor probe (3) is assembled with the protective cover (2). Each mounting port (122) is provided with a rivet structure, and the pressure assembly (4) is located above the sensor probe (3).

2. The riveting fixture according to claim 1, characterized in that, Each of the rivet structures includes a rivet pin (13), a pin spring (14), and a ball (15). The tip of the rivet pin (13) faces the protective cover (2). The pin spring (14) is sleeved on the rivet pin (13). The ball (15) slides along the guide support block (111) and is movably connected to the tail end of the rivet pin (13).

3. The riveting fixture according to claim 1, characterized in that, The elastic pressing support cylinder (12) and the positioning cylinder (11) are limited by bolts, and the elastic pressing support cylinder (12) moves up and down on the bolts.

4. The riveting fixture according to claim 1, characterized in that, The guide support blocks (111) are distributed around the inner wall of the positioning cylinder (11) by bolts at equal intervals.

5. The riveting fixture according to claim 1, characterized in that, The positioning mechanism (1) further includes a sliding base plate (16) and a lower support base plate (18), which are slidably connected. The sliding base plate (16) and the positioning cylinder (11) are connected by bolts.

6. The riveting fixture according to claim 5, characterized in that, A tension bolt (17) is provided on one side of the sliding base plate (16).

7. The riveting fixture according to claim 1, characterized in that, The pressurization assembly (4) includes a probe upper pressure column (41), and the lower end of the probe upper pressure column (41) is provided with an upper pressure fixing plate (42) and an upper pressure auxiliary support column (43). The upper pressure fixing plate (42) presses the sensor probe (3) into the protective cover (2).