Tool enabling fisheye pin header to be stably pressed in
By designing through holes and positioning holes on the tooling plate, combined with positioning pins, stable pressing of the fisheye pin header is achieved, solving the problem of unstable insertion between the fisheye connector and the PCBA base, and reducing the scrap rate of press assembly.
Patent Information
- Application Number
- CN202423121618.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
When fisheye connectors are plugged into PCBA bases, the fisheye pins are not inserted stably, resulting in a high failure rate during press-fitting.
Design a tooling board with through holes, positioning holes, and positioning pins. The positioning holes and positioning pins are used to accurately position the fisheye connector and PCBA base, ensuring that the fisheye pin header is stably inserted into the pin hole.
It achieves precise and stable insertion of the fisheye pin header, avoiding shaking and crushing of the fisheye pin header during the pressing process, and significantly reducing the scrap rate of the pressing process.
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Figure CN223558321U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of PPK, especially make fish -eye needle -bank stable press into the frock. BACKGROUND
[0002] Steering control unit, abbreviated as PPK, is an important part of automobile steering system, and fish -eye connector and PCBA base are important components in steering control unit, in order to ensure that steering control unit works stably and reliably, fish -eye connector and PCBA base need to be connected without damage and closely, to realize good contact.
[0003] In the prior art, when fish -eye connector and PCBA base are connected by inserting, fish -eye needle -bank on fish -eye connector is directly inserted into PCBA pinhole on PCBA base, and fish -eye connector is not positioned, since the diameter of PCBA pinhole is relatively large, therefore, fish -eye needle -bank shakes after being inserted into PCBA pinhole, the position of fish -eye connector and fish -eye needle -bank cannot be guaranteed, fish -eye connector and fish -eye needle -bank shake greatly, fish -eye needle -bank is extremely unstable when fish -eye connector is pressed and connected by inserting fish -eye connector and PCBA base, and fish -eye needle -bank and PCBA pinhole are often crushed, and the rejection rate of pressing is particularly high. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of frocks of making fish -eye needle -bank stable press into, to solve the problem of high fish -eye needle -bank pressing rejection rate currently.
[0005] To solve the above problems, the utility model provides a kind of frock of making fish -eye needle -bank stable press into, including frock plate, the frock plate is provided with through hole, positioning hole one, positioning hole two, the positioning hole one has multiple, and is arranged in the both sides of through hole, the positioning hole one, positioning hole two are all the holes that pass through frock plate, positioning pin is inserted in the positioning hole two.
[0006] In an embodiment, the through hole and positioning hole one are rectangular holes.
[0007] In an embodiment, the through hole is located in the center of frock plate.
[0008] In an embodiment, the lower surface of the frock plate is provided with positioning groove one, and the lower surface of the frock plate is provided with PCBA base, and the frock plate is connected by positioning groove one and PCBA base assembly.
[0009] In an embodiment, the PCBA base comprises a base plate and a plurality of mounting blocks arranged on the upper surface of the base plate, the plurality of mounting blocks are evenly arranged around the base plate, a PCBA circuit board is arranged on the plurality of mounting blocks, a pin hole is arranged on the PCBA circuit board, the pin hole is located directly below a first positioning hole, a fisheye connector is vertically slidably inserted into the first positioning hole, and a fisheye pin is arranged at the lower end of the fisheye connector and inserted into the pin hole.
[0010] In an embodiment, a pin hole is arranged on the mounting block, the pin hole is located directly below a second positioning hole and coaxial with the second positioning hole, and the lower end of the positioning pin is inserted into the pin hole.
[0011] In an embodiment, a limiting groove is arranged on the mounting block, and the limiting groove and a first positioning groove cooperate to position the tooling plate on the PCBA base.
[0012] In an embodiment, the PCBA circuit board is located in the through hole.
[0013] In an embodiment, a second positioning groove is arranged on the lower surface of the tooling plate, and the through hole, the first positioning hole and the second positioning hole are located on the groove bottom surface of the second positioning groove.
[0014] In an embodiment, the PCBA circuit board is positioned in the second positioning groove.
[0015] Beneficial effects: the tooling for stably pressing the fisheye pin of the utility model can ensure that the fisheye pin is accurately and stably inserted into the PCBA pin hole, the fisheye pin does not shake during the pressing process, the fisheye pin is prevented from being crushed, and the pressing scrap rate is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0017] Figure 1 is a working schematic view of the tooling for stably pressing the fisheye pin of the utility model;
[0018] Figure 2 is Figure 1 is a schematic view after removing the tooling plate;
[0019] Figure 3 is Figure 2 is a schematic view after removing the fisheye connector and the positioning pin;
[0020] Figure 4 is a structure diagram of the tooling plate of the utility model Figure 1
[0021] Figure 5 is a structure diagram of the tooling plate of the utility model Figure 2 .
[0022] The sign of the drawing is explained as follows:
[0023] 1, base plate; 2, mounting block; 3, pin hole; 4, limiting groove; 5, PCBA circuit board; 6, pin hole; 7, positioning pin;
[0024] 8, fisheye connector; 81, fisheye pin array;
[0025] 9, tooling plate; 91, positioning hole one; 92, positioning hole two; 93, positioning groove one; 94, positioning groove two; 95, through hole. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.
[0028] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0029] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0030] This utility model proposes a tooling for stable pressing of fisheye pins. This tooling ensures that the fisheye pins 81 are accurately and stably inserted into the PCBA pin holes 6. During the pressing process, the fisheye pins 81 do not shake, thus avoiding crushing and effectively reducing the pressing scrap rate.
[0031] Specifically, in one embodiment of the utility model, such as Figure 4 and Figure 5 As shown, the tooling for stably pressing in the fisheye pin includes a tooling plate 9. The tooling plate 9 is provided with a through hole 95, a first positioning hole 91, and a second positioning hole 92. There are multiple first positioning holes 91, which are located on both sides of the through hole 95. The through hole 95 is located in the center of the tooling plate 9. The first positioning hole 91 and the second positioning hole 92 are holes that pass through the tooling plate 9. The through hole 95 is used to accommodate the PCBA circuit board 5 and prevent the tooling plate 9 from interfering with the PCBA base when it is installed on the PCBA base. The first positioning hole 91 is used to install and position the fisheye connector 8. A positioning pin 7 is inserted into the second positioning hole 92 and is used to install the positioning pin 7.
[0032] In this embodiment, as Figure 4 and Figure 5 As shown, the through hole 95 and the positioning hole 91 are both rectangular holes to fit the PCBA circuit board 5 and the fisheye connector 8.
[0033] In this embodiment, as Figure 5 As shown, the lower surface of the tooling plate 9 is provided with a positioning groove 93, such as... Figure 1 -- Figure 3As shown, the lower part of the tooling plate 9 is provided with a PCBA base, the tooling plate 9 is connected with the PCBA base through the positioning groove one 93, specifically, the PCBA base includes a base plate 1 and a plurality of mounting blocks 2 fixed on the upper surface of the base plate 1, the plurality of mounting blocks 2 are evenly arranged around the base plate 1, a plurality of mounting blocks 2 are fixedly provided with a PCBA circuit board 5, the PCBA circuit board 5 is located in the through hole 95, the PCBA circuit board 5 is provided with a pin hole 6, the pin hole 6 is located directly below the positioning hole one 91, the fish-eye connector 8 is vertically and slidingly inserted into the positioning hole one 91, the lower end of the fish-eye connector 8 is provided with a fish-eye pin 81, the fish-eye pin 81 is inserted into the pin hole 6, when the tooling plate 9 is accurately installed and positioned on the PCBA base, the fish-eye connector 8 is accurately inserted into the pin hole 6 by sliding downward in the positioning hole one 91, the fish-eye pin 81 does not shake in the subsequent press-fitting process, avoiding the fish-eye pin 81 from being crushed, effectively reducing the press-fitting scrap rate, after the fish-eye pin 81 is press-fitted, the tooling plate 9 is removed for the press-fitting operation of the next fish-eye pin 81.
[0034] In the embodiment, as shown in the figure, Figures 1-3 The mounting block 2 is provided with a pin hole 3, the pin hole 3 is located directly below the positioning hole two 92 and coaxial with the positioning hole two 92, the lower end of the positioning pin 7 is inserted into the pin hole 3, and the tooling plate 9 is accurately installed and positioned on the PCBA base through the positioning pin 7.
[0035] In the embodiment, as shown in the figure, Figures 1-3 The mounting block 2 is provided with a limiting groove 4, the limiting groove 4 and the positioning groove one 93 cooperate to accurately position the tooling plate 9 on the PCBA base.
[0036] In the embodiment, as shown in the figure, Figure 5 The lower surface of the tooling plate 9 is provided with a positioning groove two 94, the through hole 95, the positioning hole one 91 and the positioning hole two 92 are located on the groove bottom surface of the positioning groove two 94, and the PCBA circuit board 5 is positioned in the positioning groove two 94, which can avoid the interference between the tooling plate 9 and the PCBA base when the tooling plate 9 is installed on the PCBA base.
[0037] The tooling plate 9 is accurately installed and positioned on the PCBA base through the limiting groove 4, the positioning groove one 93 and the positioning pin 7, then the fish-eye connector 8 is slidingly inserted into the positioning hole one 91, finally the fish-eye pin 81 is accurately inserted into the pin hole 6 by means of the external pressing block, the fish-eye pin 81 does not shake in the whole press-fitting process, avoiding the fish-eye pin 81 from being crushed, effectively reducing the press-fitting scrap rate, after the press-fitting is completed, the tooling plate 9 is removed for the press-fitting operation of the next fish-eye pin 81.
[0038] The fish-eye pin array stabilizing and pressing tool of the embodiment is capable of reducing the positional tolerance deviation of the fish-eye pin array 81 and the PCBA pin hole 6 by setting the tool plate 9 with the positioning hole 91 to support and position the fish-eye pin array 81 and the positioning pin 7 to precisely position and cooperate with the PCBA base, thereby changing the problem of large shaking amount of the fish-eye pin array 81.
[0039] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like made by using the content of the present application specification and drawings under the utility model concept of the present application is included in the patent protection range of the present application.
Claims
1. A tooling for stably pressing in fisheye needles, characterized in that, The tooling plate includes a through hole, a positioning hole one, and a positioning hole two. There are multiple positioning holes one, which are located on both sides of the through hole. Positioning holes one and two are holes that pass through the tooling plate. A positioning pin is inserted into positioning hole two.
2. The tooling for stably pressing in fisheye needles as described in claim 1, characterized in that, Both the through hole and the positioning hole are rectangular holes.
3. The tooling for stably pressing in fisheye needles as described in claim 1, characterized in that, The through hole is located in the center of the tooling plate.
4. The tooling for stably pressing in fisheye needles as described in claim 1, characterized in that, The lower surface of the tooling plate is provided with a positioning groove, and a PCBA base is provided below the tooling plate. The tooling plate is assembled and connected to the PCBA base through the positioning groove.
5. The tooling for stably pressing in fisheye needles as described in claim 4, characterized in that, The PCBA base includes a base plate and multiple mounting blocks disposed on the upper surface of the base plate. The mounting blocks are evenly distributed around the base plate, and PCBA circuit boards are disposed on the mounting blocks. The PCBA circuit boards are provided with pinholes, which are located directly below the first positioning hole. A fisheye connector is vertically slidably inserted into the first positioning hole. The lower end of the fisheye connector is provided with a fisheye pin array, which is inserted into the pinhole.
6. The tooling for stably pressing in fisheye needles as described in claim 5, characterized in that, The mounting block is provided with a pin hole, which is located directly below the second positioning hole and is coaxial with the second positioning hole. The lower end of the positioning pin is inserted into the pin hole.
7. The tooling for stably pressing in fisheye needles as described in claim 5, characterized in that, The mounting block is provided with a limiting groove, which cooperates with the positioning groove to position the tooling plate on the PCBA base.
8. The tooling for stably pressing in fisheye needles as described in claim 5, characterized in that, The PCBA circuit board is located in a through hole.
9. The tooling for stably pressing in fisheye needles as described in claim 5, characterized in that, The lower surface of the tooling plate is provided with a second positioning groove, and the through hole, the first positioning hole, and the second positioning hole are located on the bottom surface of the second positioning groove.
10. The tooling for stably pressing in fisheye needles as described in claim 9, characterized in that, The PCBA circuit board is positioned in positioning slot two.