Welding-free press-fit connector jig

By designing a fixture structure with limiting posts, stop grooves, and adjustment grooves, the problem of inconsistent sizes of solderless fisheye terminals was solved, enabling precise alignment and vertical pressing of fisheye terminals, thus improving assembly efficiency and product quality.

CN223744122UActive Publication Date: 2025-12-30HENAN KAIWANG NEW MATERIALS RES INST CO LTD
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Patent Information

Application Number
CN202423125801.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-30
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In existing technologies, inconsistent sizes of the weldless fisheye nozzles prevent simultaneous pressing and cause them to wobble, affecting the pressing effect and even damaging the structure.

Method used

A fixture for solderless press-fit connectors was designed, comprising a base, a pressure plate, and a spring. By utilizing limit posts, stop grooves, and adjusting pads, and through spring buffering and limit control, the precise alignment and press-fit of the fisheye terminals are achieved. The adjusting groove compensates for the height difference to ensure vertical press-fit.

Benefits of technology

It enables simultaneous and precise pressing of fisheye contact parts of different specifications, improving assembly efficiency, reducing product defect rate, and enhancing customer satisfaction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technology of processing equipment, and discloses a welding-free press-fit connector jig which comprises a base, a pressing plate and a spring, the front end of the base extends upwards to form a limiting edge, a limiting column is arranged in the middle of the limiting edge, the two sides of the rear end of the base stretch upwards to form guide arms, and the guide arms and the limiting edge are spaced to form blocking grooves. And a spring is arranged in the blocking groove. The limiting column is arranged in the middle of the limiting edge, the spring at the bottom of the blocking groove is combined, buffering can be generated through the spring when the pressing plate pushes the connector to move towards a circuit board, the maximum pressing stroke can be controlled through the effect of the limiting column, and the problem of overpressure is avoided; the back-and-forth relative position between the circuit board and the fisheye terminal can be adjusted through the adjusting base plate so as to meet different requirements; and on the other hand, the adjusting base plate is provided with the adjusting groove to supplement the extension length of the large fisheye terminal, so that one-time in-place press fitting of the fisheye terminals with different sizes can be realized at one time, and the press fitting effect and efficiency are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board connector, especially provide a jig of exempt from welding press -fit connector. BACKGROUND

[0002] At present along with the high -speed development of display related electronic products such as intelligent mobile phone, tablet computer, notebook computer, high -definition television, smart watch, the product demand of market to consumer electronics industry also increasingly increases. All electronic products, it can be decomposed into a big module, and a mainboard of controlling the function of whole product, the mainboard is connected with every module by board -to -board connector, before all electronic product assembly, in order to guarantee that product can normally use after assembly, every module needs to be detected, and the detection mode is to make a test probe and test equipment matched with the board -to -board connector on every module connected with the mainboard.

[0003] In actual production, in order to meet the needs of customer use, the mode of board -to -board connector is inserted more and more, and the fish eye structure of exempt from welding press -fit can be quickly installed, need not welding, and is widely applied. However, for mixed connector, because the size of contact piece is inconsistent, the size of exempt from welding fish eye is inconsistent, the height of exempt from welding fish eye is inconsistent during press -fit, cannot be simultaneously pressed, and is easy to be deflected, leading to that exempt from welding fish eye receives non -required external force, has the adverse effect on press -fit, and even damages the press -fit fish eye structure.

[0004] Therefore, it is urgent to develop a jig of exempt from welding press -fit connector, which can simultaneously and accurately install the multiple varieties of fish eye contact pieces of mixed connector. SUMMARY

[0005] The utility model discloses a jig of exempt from welding press -fit connector to solve the technical problem that the jig cannot simultaneously press in the inconsistent size of exempt from welding fish eye and the inconsistent height of exempt from welding fish eye during press -fit.

[0006] In order to solve the above -mentioned technical problem, the utility model adopts the following technical scheme, namely:

[0007] Disclose a jig of exempt from welding press -fit connector for press -fit connector and circuit board, the jig includes base, pressing plate and spring, the front end of base extends upwards and forms the limiting rim, and the middle part of limiting rim is provided with limiting column, the rear end of base is stretched upwards and forms guide arm on both sides, the guide arm is spaced apart from the limiting rim and forms the blocking groove, the spring is installed in the blocking groove, the load bearing platform is arranged on the side of the guide arm away from the limiting rim, the adjusting pad is installed between the two guide arms, and the adjusting groove is arranged on the adjusting pad. The guide groove is arranged on the pressing plate, and the guide groove is matched with the guide arm.

[0008] In the above-mentioned scheme, preferably, the connector comprises a base, a large fish-eye terminal and a small fish-eye terminal inserted into the base, the circuit board is provided with insertion holes for the large fish-eye terminal and the small fish-eye terminal, when the connector is press-fitted with the circuit board, the base is clamped in the blocking groove, the bottom of the base is pressed on the spring, the circuit board is pressed on the bearing table, the large fish-eye terminal and the small fish-eye terminal are arranged opposite to the insertion holes, and the large fish-eye terminal is arranged opposite to the adjusting groove.

[0009] In the above-mentioned scheme, preferably, the adjusting groove penetrates the width direction of the adjusting plate, and the adjusting groove is a plurality of intervals and corresponds to the large fish-eye terminal.

[0010] In the above-mentioned scheme, preferably, the connector is a plurality of, and adjacent connectors are connected by a connecting plate, the connecting plate is provided with a positioning column, and the connecting plate corresponding to each connector is provided with two positioning columns.

[0011] In the above-mentioned scheme, preferably, the bottom of the positioning column is provided with a limiting groove, and the limiting groove and the adjusting pad form a space suitable for the thickness of the circuit board.

[0012] The jig of the welding-free press-fit connector of the utility model, in the limiting edge middle part, is equipped with a limiting column, and in combination with the spring at the bottom of the blocking groove, the spring can be used to produce buffering when the pressing plate pushes the connector to move towards the circuit board, the limiting column can be used to control the maximum stroke of the pressing, so that the problem of over-pressing is avoided, at the same time, the front-back relative position between the circuit board and the fish-eye terminal can be adjusted through the adjusting pad, so that different needs can be met; on the other hand, the adjusting groove is arranged on the adjusting pad, so that the extension length of the large fish-eye terminal is supplemented, so that the fish-eye terminal of different sizes can be press-fitted in place at one time, and the press-fitting effect and efficiency are guaranteed.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the utility model can press-fit all sizes of fish-eye contactors in place at one time, improves the assembly efficiency; and the flexible support of the spring can ensure that the connector is press-fitted horizontally and vertically, and adverse phenomena such as jamming and scratching do not occur, the product failure rate is reduced, and customer satisfaction is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above-mentioned characteristics, technical features, advantages and implementation modes of the utility model will be further described in a clear and easy-to-understand manner in combination with the preferred embodiments and the accompanying drawings.

[0015] Figure 1A press-fit state diagram of a jig of a solderless press-fit connector is presented.

[0016] Figure 2 A diagram of a base and a press plate is presented.

[0017] Figure 3 A diagram of an assembly of a base, a press plate and an adjusting pad is presented.

[0018] Figure 4 Another view of a diagram of an assembly of a base, a press plate and an adjusting pad is presented.

[0019] Figure 5 A diagram of an assembly of a jig of a solderless press-fit connector and a circuit board is presented.

[0020] Figure 6 A diagram of a structure of a connector is presented.

[0021] Brief explanation of symbols:

[0022] Connector 1, base 10, large eyelet terminal 11, small eyelet terminal 12, connecting plate 13, positioning column 141, limiting groove 142;

[0023] Circuit board 2;

[0024] Base 31, limiting rim 311, limiting column 312, guide arm 313, blocking groove 314, bearing table 315, press plate 33, guide groove 331, spring 34, adjusting pad 35, adjusting groove 36, countersunk groove 37. DETAILED DESCRIPTION

[0025] In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular sequences of acts, techniques, system configurations, etc., in order to provide a thorough understanding of the embodiments of the application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the application with unnecessary detail.

[0026] It is to be understood that the terminology "including", "comprising", "consisting" and "consisting essentially of" used in the specification and the appended claims, indicates the presence of the stated features, integers, steps, operations, elements, and / or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0027] For the sake of simplicity of the drawings, only the parts related to the present application are shown in the drawings, which do not represent the actual structure of the product. In addition, in order to make the drawings simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown schematically, or only one of them is marked. In this document, "one" not only means "only one", but also means "more than one" in some cases.

[0028] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0029] In the embodiments shown in the drawings, the indications of directions, such as up, down, left, right, front and back, are used to explain the structure and movement of various components of the present application, which are not absolute but relative. When the positions of these components are changed, the indications of these directions are also changed accordingly.

[0030] In addition, in the description of the present application, the terms "first", "second", etc. are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the specific implementation manners of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0032] Please refer to Figure 1 and Figure 5 The jig of the present application is used for the press-fit connector 1 and the circuit board 2.

[0033] The jig of the present application comprises a base 31, a pressing plate 33 and a spring 34, the front end of the base 31 extends upward to form a limiting rim 311, the rear end of the base 31 extends upward on both sides to form a guide arm 313, the guide arms 313 are spaced apart from the limiting rim 311 to form a blocking groove 314, a bearing table 315 is arranged on the side of the guide arm 313 away from the limiting rim 311, a counterbore groove 37 for mounting an adjusting pad 35 is formed between the two bearing tables 315 and the limiting rim 311, and the adjusting pad 35 is provided with an adjusting groove 36; and a guide groove 331 is arranged on the side end face of the pressing plate 33, the guide groove 331 is adapted to the guide arm 313, and the specific structure is shown in FIG. 2,Figure 3 and Figure 4 as shown.

[0034] For the convenience of illustration, please refer to Figure 6 As shown, the connector 1 and the circuit board 2 structure of the utility model are illustrated, the connector 1 of the utility model includes a substrate, a large fish eye terminal 11 and a small fish eye terminal 12, wherein the large fish eye terminal 11 and the small fish eye terminal 12 are respectively inserted on the substrate, and the large fish eye terminal 11 and the small fish eye terminal 12 are multiple and are arranged at intervals, and the jack hole of the large fish eye terminal 11 and the small fish eye terminal 12 is arranged on the circuit board 2.

[0035] When the connector 1 needs to be connected with the circuit board 2, the bottom of the above-mentioned connector 1 is clamped in the blocking groove 314 by being pressed on the spring 34, at this time, the adjusting pad 35 is inserted into the countersunk groove 37 from the direction of the opposite side of the limiting edge 311, at this time, the surface of the adjusting pad 35 is on the same plane as the surface of the bearing table 315, and the bottom of the large fish eye terminal 11 and the small fish eye terminal 12 is above the adjusting pad 35, then the circuit board 2 is jacked on the upper surface of the adjusting pad 35, by adjusting the relative position of the adjusting pad 35, the relative position of the jack hole on the circuit board 2 and the large fish eye terminal 11 and the small fish eye terminal 12 can be adjusted, so as to ensure alignment, and the adjusting groove 36 can be used to buffer the height of the fish eye terminal of different heights.

[0036] When the alignment position is reached, the pressing plate 33 can be controlled to move downward under the relative cooperation of the guide groove 331 and the guide arm 313, so as to drive the end part of the large fish eye terminal 11 and the small fish eye terminal 12 on the base 10 to pass through the jack hole and be connected with the circuit board 2, and the limiting edge 311 can control the maximum depth of downward pressing, so as to avoid the problem of terminal damage caused by over-pressing.

[0037] The adjusting groove 36 of the utility model penetrates the width direction of the adjusting plate, and the adjusting groove 36 is multiple and is arranged at intervals and corresponds to the large fish eye terminal 11. Of course, when the height of the small fish eye terminal 12 is greater than the height of the large fish eye terminal 11, the adjusting groove 36 corresponds to the small fish eye terminal 12 at this time, so as to supplement the height difference between the large fish eye terminal 11 and the small fish eye terminal 12, and ensure the consistency of the pressing height.

[0038] In order to improve the press-fit efficiency, the connector 1 is multiple, and adjacent connectors 1 are connected through the connecting plate 13, the connecting plate 13 is provided with the positioning column 141, and the connecting plate 13 corresponding to each connector 1 is provided with two positioning columns 141, the bottom of the positioning column 141 is provided with the limiting groove 142, and the limiting groove 142 and the adjusting pad plate 35 form a space matched with the thickness of the circuit board 2.

[0039] The jig of the welding-free press-fit connector 1 is provided with the limiting column 312 in the middle of the limiting edge 311, and in combination with the spring 34 at the bottom of the blocking groove 314, the spring 34 can generate buffering when the pressing plate 33 pushes the connector 1 to move towards the circuit board 2, and in combination with the action of the limiting column 312, the maximum stroke of the pressing can be controlled, and the problem of over-pressing can be avoided, and at the same time, the front-back relative position between the circuit board 2 and the fish-eye terminal can be adjusted through the adjusting pad plate 35, so that different needs can be met.

[0040] Compared with the prior art, the beneficial effects of the utility model are that the utility model can press-fit all sizes of fish-eye contactors at one time, improves the assembly efficiency, and adopts the flexible support of the spring 34, so that the connector 1 can be horizontally and vertically pressed during the pressing process, and the problems of jamming and scratching do not occur, the product failure rate is reduced, and the customer satisfaction is improved.

[0041] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described or recorded in detail in a certain embodiment can be referred to the related description of other embodiments.

[0042] It should be noted that the above embodiments can be freely combined as needed. The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, on the premise of not departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the utility model.

[0043] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described or recorded in detail in a certain embodiment can be referred to the related description of other embodiments.

[0044] It should be noted that the above embodiments can be freely combined as needed. The above are only preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered within the scope of the present application.

Claims

1. A jig for a solderless press-fit connector for press-fitting the connector and a wiring board, characterized by comprising: The tool includes a base, a pressing plate and a spring, the front end of the base extends upward to form a limiting rim, a limiting column is arranged in the middle of the limiting rim, the rear end of the base is stretched upward to form a guide arm on both sides, the guide arm is spaced from the limiting rim to form a blocking groove, the spring is arranged in the blocking groove, the load bearing table is arranged on the side of the guide arm away from the limiting rim, the adjusting pad is arranged between the two guide arms, and the adjusting groove is arranged on the adjusting pad; the guide groove is arranged on the pressing plate, and the guide groove is matched with the guide arm.

2. The jig for a solderless press-fit connector according to claim 1, wherein The connector includes a base, a large fish eye terminal and a small fish eye terminal inserted into the base, and the circuit board is provided with a jack hole matched with the large fish eye terminal and the small fish eye terminal, when the connector is press-fitted with the circuit board, the base is clamped in the blocking groove, the bottom of the base is pressed on the spring, the circuit board is pressed on the load bearing table, the large fish eye terminal and the small fish eye terminal are arranged opposite to the jack hole, and the large fish eye terminal is arranged opposite to the adjusting groove.

3. The jig for a solderless press-fit connector according to claim 2, wherein The adjusting groove penetrates the width direction of the adjusting pad, and the adjusting groove is arranged in multiple and corresponds to the large fish eye terminal.

4. The jig for a solderless press-fit connector according to claim 1, wherein The connector is multiple, and adjacent connectors are connected by a connecting plate, the connecting plate is provided with a positioning column, and the connecting plate corresponding to each connector is provided with two positioning columns.

5. The jig for a solderless press-fit connector according to claim 4, wherein The bottom of the positioning column is provided with a limiting groove, and the limiting groove and the adjusting pad form a space matched with the thickness of the circuit board.