A multi-lead detachable press-fit connector and its connection structure

Abstract

This application provides a multi-lead detachable press-fit connector and its connection structure, including a flange, a stepped portion, and a rod portion arranged sequentially along the axial direction; the flange portion is provided with a drive portion along the axial direction; the rod portion is connected to the flange portion and extends axially along the flange portion, the diameter of the flange portion is larger than the diameter of the rod portion, the outer wall of the rod portion is provided with a toothed portion, the toothed portion includes multiple teeth, and the gap between adjacent teeth forms a receiving portion; the outer diameter of the stepped portion is smaller than the outer diameter of the flange portion. This utility model can directly press-fit the press-fit connector onto the mounting plate, which is quick and easy for the client to automate the installation; the drive portion can realize the disassembly function of the press-fit connector after installation, without damaging the plate material during disassembly, and is not limited by the application of through holes or blind holes; if it is necessary to reinstall the press-fit connector into the mounting plate, the drive portion can also be used to reinstall the press-fit connector to the plate material.

Description

Technical Field

[0001] This application belongs to the technical field of fasteners, and particularly relates to a multi-lead detachable press-fit connector and connection structure. Background Technology

[0002] The description in this section provides only background information related to the disclosure of this utility model and does not constitute prior art.

[0003] In existing technologies, the fastening connection of plastic sheets mostly adopts the self-tapping screw method. This method requires screwing in one turn after another during the installation process and is not easy to automate. Another method is to use screws with a toothed structure, which can be pressed in directly. However, they are usually not removable without damaging the sheet material, especially in blind hole applications, and do not have the function of disassembly and reuse.

[0004] It should be noted that the above introduction to the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of this utility model and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background section of this utility model. Utility Model Content

[0005] The purpose of this application is to provide a multi-lead detachable press-fit connector and connection structure to solve the above problems.

[0006] This application provides a multi-lead detachable press-fit connector, comprising: a flange portion, a stepped portion, and a rod portion arranged sequentially along the axial direction; The flange is provided with a drive unit along the axial direction; The rod is connected to the flange and extends axially along the flange. The diameter of the flange is larger than the diameter of the rod. The outer wall of the rod is provided with a toothed portion, which includes multiple toothed pieces. The gap between adjacent toothed pieces forms a material receiving portion. The outer diameter of the stepped portion is smaller than the outer diameter of the flange portion.

[0007] Furthermore, in the aforementioned multi-lead detachable press-fit connector, the drive portion is a groove recessed inward along the axial direction of the flange portion.

[0008] Furthermore, in the aforementioned multi-lead detachable press-fit connector, the driving part is a protrusion extending outward along the axial direction of the flange part.

[0009] Furthermore, in the aforementioned multi-lead detachable press-fit connector, the end of the rod portion away from the flange portion is provided with a first guide portion, and the cross-sectional diameter of the first guide portion gradually decreases.

[0010] Furthermore, in the aforementioned multi-lead detachable press-fit connector, the bottom end of the rod is also connected to a second guide portion, and the outer diameter of the second guide portion is smaller than the minimum outer diameter of the first guide portion.

[0011] This application also provides a connection structure, including: Mounting plate, wherein the mounting plate is provided with a first mounting hole; A connecting plate is placed above the mounting plate, and the connecting plate has a second mounting hole, the diameter of which is larger than the diameter of the first mounting hole. As described above, in a press-fit connector, the rod passes through the second mounting hole and into the first mounting hole, the lower surface of the flange is in contact with the upper surface of the connecting plate, the toothed portion is pressed into the first mounting hole, and the plate material in the first mounting hole partially flows into the receiving portion under the pressure of the step portion and the toothed portion.

[0012] Furthermore, in the above-described connection structure, when the press-fit connector is removed from the mounting plate, the driving part drives the rod part to rotate out along the first mounting hole; when the press-fit connector is reinstalled in the mounting plate, the driving part drives the rod part to rotate in along the first mounting hole.

[0013] Furthermore, in the above-described connection structure, the height of the connecting plate is not less than the height of the step portion.

[0014] Furthermore, in the aforementioned connection structure, the mounting plate is made of plastic or metal.

[0015] As can be seen from the above technical solution, this utility model has the following beneficial effects: The multi-lead detachable press-fit connector and connection structure described in this utility model can be directly press-fitted onto the mounting plate, which is quick and easy for the client to automate the installation. The drive unit can disassemble the press-fit connector after installation without damaging the plate material, especially the connecting plate material, and is not limited by the application of through holes or blind holes. If it is necessary to reinstall the press-fit connector into the mounting plate, the drive unit can also be used to easily reinstall the press-fit connector and the plate material. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application 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 recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the multi-lead detachable press-fit connector provided in the embodiments of this application; Figure 2 This is a front view of the multi-lead detachable press-fit connector provided in the embodiments of this application; Figure 3 This is a cross-sectional view of the multi-lead detachable press-fit connector provided in an embodiment of this application; Figure 4 to Figure 8 This is a schematic diagram of another embodiment of the multi-lead detachable press-fit connector provided in this application; Figure 9 This is a cross-sectional view of the connection structure provided in the embodiments of this application.

[0018] In the figure: 1. Flange; 11. Drive section; 2. Step section; 3. Rod section; 31. Toothed plate; 32. Material receiving section; 4. First guide section; 5. Second guide section; 6. Mounting plate; 7. Connecting plate. Detailed Implementation

[0019] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.

[0020] In the description of this utility model, it should be noted that the terms "upper," "middle," "lower," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The implementation methods of this utility model will now be described based on its overall structure.

[0021] Reference Figures 1 to 8 This application provides a multi-lead detachable press-fit connector, comprising: a flange portion 1, a stepped portion 2, and a rod portion 3 arranged sequentially along the axial direction; The flange portion 1 is provided with a drive portion 11 along the axial direction; The rod 3 is connected to the flange 1. The rod 3 extends axially along the flange 1. The diameter of the flange 1 is larger than the diameter of the rod 3. The outer wall of the rod 3 is provided with a toothed portion. The toothed portion includes a plurality of toothed pieces 31. The gap between adjacent toothed pieces 31 forms a material receiving portion 32. The outer diameter of the stepped portion 2 is smaller than the outer diameter of the flange portion 1.

[0022] With the above structure, the press-fit connector can be installed on the mounting plate by pressing it directly downwards from the top of the flange. This method is quick and easy for the client to automate the installation. The drive unit 11 can disassemble the press-fit connector after installation, without being limited by through holes or blind holes. The drive unit 11 can also be used to easily reinstall the press-fit connector on the plate. In this embodiment, the outer diameter of the step is slightly close to the outer diameter of the rod. The outer diameter of the step 2 can be slightly larger than the outer diameter of the rod 3, which makes it easier to connect tightly with the plate. When the plate is hard, the outer diameter of the step 2 can be slightly smaller than the outer diameter of the rod 3. The spiral structure formed by the toothed part on the rod and the plate can be either left-handed or right-handed, which can enable repeated connection and disassembly between the press-fit connector and the plate.

[0023] Specifically, in this embodiment, the driving part 11 can be a groove recessed inward along the axial direction of the flange part 1. Furthermore, the shape of the groove can also be configured as needed, such as... Figure 4 Other shapes such as cross grooves, straight grooves, plum blossom grooves, and star grooves are shown.

[0024] Specifically, refer to Figure 6 In other embodiments, the driving part 11 is a protrusion extending outward along the axial direction of the flange part 1.

[0025] The drive unit 11 in this embodiment is not limited to a flat-head structure; it can also be designed as follows, depending on the requirements of the application environment. Figure 2 The countersunk head shown, as Figure 5 The mushroom-shaped structure can also be replaced with an external hexagon depending on the application space.

[0026] Specifically, in this embodiment, the end of the rod 3 away from the flange 1 is provided with a first guide portion 4, and the cross-sectional diameter of the first guide portion 4 gradually decreases along the axial direction away from the flange 1.

[0027] Specifically, refer to Figure 8 In this embodiment, the bottom end of the rod 3 is also connected to a second guide 5, and the outer diameter of the second guide 5 is smaller than the minimum outer diameter of the first guide 4, which can further improve the insertion efficiency of the press-fit connector.

[0028] Reference Figure 9 This embodiment also provides a connection structure, including: Mounting plate 6, wherein the mounting plate 6 is provided with a first mounting hole; the first mounting hole is a through hole or a blind hole. A connecting plate 7 is placed above the mounting plate 6. The connecting plate 7 has a second mounting hole, and the diameter of the second mounting hole is larger than the diameter of the first mounting hole. The second mounting hole is a through hole. As described above, in the press-fit connector, the rod portion 3 passes through the second mounting hole and enters the first mounting hole, the lower surface of the flange portion is in contact with the upper surface of the connecting plate, the toothed portion is pressed into the first mounting hole, and the plate material in the first mounting hole partially flows into the receiving portion 32 under the pressure of the step portion 2 and the toothed portion.

[0029] Specifically, in this embodiment, when the press-fit connector is removed from the mounting plate 6, the driving part drives the rod part 3 to rotate out along the first mounting hole; when the press-fit connector is reinstalled in the mounting plate 6, the driving part drives the rod part 3 to rotate in along the first mounting hole.

[0030] Specifically, in this embodiment, the height of the connecting plate 7 is not less than the height of the step portion 2.

[0031] Specifically, in this embodiment, the mounting plate 6 is made of plastic or metal. The mounting plate 6 is made of plastic or metal, and the connecting plate 7 is made of PCB board or other metal board.

[0032] With the above structure, the press-fit connector can be installed on the mounting plate by direct press-fitting, which is quick and easy for the client to automate the installation. The material receiving part 32 accommodates the material flowing from the mounting plate 6 during extrusion deformation. The anti-pull-out force structure formed by the material receiving part 32 allows the connected mounting plate 6 to form a blocking structure with the material receiving part 32, thereby giving the mounting plate 6 the ability to prevent it from coming loose after connection. The spiral structure formed between the toothed part and the mounting plate 6 can be left-handed or, as shown above, a spiral structure. Figure 7 As shown, the right-handed arrangement has a gap between adjacent toothed plates 31, which can form an anti-torque structure. The toothed plates 31 and the plate in the first mounting hole are interlocked during the connection process. The material of the plate can be squeezed into the gap, which can realize repeated connection and disassembly between the press-fit connector and the plate. It has the advantages of simple application, high efficiency and environmental protection, reduces production costs, and the plate is easy to maintain and can be reused.

[0033] In this embodiment, the diameter of the second mounting hole is larger than that of the first mounting hole. The outer diameter of the stepped portion 2 in the press-fit connector can be slightly larger than the outer diameter of the rod portion 3, which facilitates a tighter connection with the mounting plate 6 and also prevents the toothed portion on the rod portion 3 from scratching the material of the connecting plate 7. When the mounting plate is made of a harder material, the outer diameter of the stepped portion 2 can be slightly smaller than the outer diameter of the rod portion 3. After the press-fit connector is connected to the mounting plate 6, when it is necessary to remove the press-fit connector from the mounting plate 6, the driving part can be used to drive the rod portion 3 to rotate out along the spiral structure in the first mounting hole. During the removal process, the material is not damaged, especially the material of the connecting plate, and it is not limited by the application of through holes or blind holes. After the press-fit connector is removed, if it is necessary to reinstall the press-fit connector in the mounting plate 6, the driving part can be used to drive the rod portion 3 to rotate in along the spiral structure in the first mounting hole, so that the press-fit connector is reinstalled in the mounting plate 6. During the installation process, multiple press-fit connectors can be used to install the connector with the mounting plate 6.

[0034] Although different specific embodiments are mentioned in this application, this application is not limited to the situations described in industry standards or embodiments. Slightly modified implementations based on certain industry standards or custom methods or embodiments can also achieve the same, equivalent, or similar, or predictable, implementation effects as the above embodiments. Embodiments applying these modified or modified data acquisition, processing, output, and judgment methods still fall within the scope of optional implementations of this application.

[0035] Although this application has been described by way of examples, those skilled in the art will know that this application has many modifications and variations without departing from the spirit of this application, and it is intended that the appended embodiments include these modifications and variations without departing from this application.

Claims

1. A multi-treaded removable press-in connector, characterized by, include: The flange, the stepped section, and the rod are arranged sequentially along the axial direction; The flange is provided with a drive unit along the axial direction; The rod is connected to the flange and extends axially along the flange. The diameter of the flange is larger than the diameter of the rod. The outer wall of the rod is provided with a toothed portion, which includes multiple toothed pieces. The gap between adjacent toothed pieces forms a material receiving portion. The outer diameter of the stepped portion is smaller than the outer diameter of the flange portion.

2. The multi-tread removable press-in connector of claim 1, wherein, The driving part is a groove that is recessed inward along the axial direction of the flange part.

3. The multi-tread removable press-in connector of claim 1, wherein, The driving part is a protrusion that extends outward along the axial direction of the flange part.

4. The multi-tread removable press-in connector of claim 1, wherein, The rod portion is provided with a first guide portion at the end away from the flange portion, and the cross-sectional diameter of the first guide portion gradually decreases.

5. The multi-tread removable press-in connector of claim 4, wherein, The bottom end of the rod is also connected to a second guide portion, and the outer diameter of the second guide portion is smaller than the minimum outer diameter of the first guide portion.

6. A connection structure characterized by comprising: include: Mounting plate, wherein the mounting plate is provided with a first mounting hole; A connecting plate is placed above the mounting plate, and the connecting plate has a second mounting hole, the diameter of which is larger than the diameter of the first mounting hole. In the press-fit connector as described in any one of claims 1 to 5, the rod portion passes through the second mounting hole and enters the first mounting hole, the lower surface of the flange portion is in contact with the upper surface of the connecting plate, the toothed portion is pressed into the first mounting hole, and the plate material in the first mounting hole partially flows into the receiving portion under the pressure of the step portion and the toothed portion.

7. The connection structure according to claim 6, characterized in that When the press-fit connector is removed from the mounting plate, the drive unit drives the rod to rotate out along the first mounting hole; when the press-fit connector is reinstalled in the mounting plate, the drive unit drives the rod to rotate in along the first mounting hole.

8. The connection structure according to claim 6, wherein The height of the connecting plate is not less than the height of the step portion.

9. The connection structure according to claim 6, wherein The mounting plate is made of plastic or metal.

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