Distance-adjustable microneedle module

By designing a microneedle module with adjustable microneedle spacing, the problems of easy probe damage and non-adjustable spacing were solved, achieving safe and stable testing and low-cost adaptation to electronic components of different specifications.

CN223611590UActive Publication Date: 2025-11-28SHENZHEN JINGWEI TESTING TECH CO LTD
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Patent Information

Application Number
CN202422989381.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-11-28
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

In existing microneedle modules, the probes are easily damaged by contact with the test connector, the test connectors are easily scratched by the probes, and the microneedle pitch is not adjustable, resulting in high testing costs and inability to adapt to electronic components of different specifications.

Method used

An adjustable-pitch microneedle module was designed, including a mounting frame and an operating frame. The microneedle structure is slidably connected to both sides of the test chamber and equipped with a pressure plate and a reset structure. The microneedle pitch is adjustable through an equidistant adjustment structure and a four-bar linkage. It is equipped with a scale structure and a guide groove for easy operation.

Benefits of technology

It enables the safe and stable use of microneedle modules, can adapt to test devices of different specifications, reduces testing costs, and improves user experience and testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit board testing, in particular to a spacing-adjustable microneedle module, which comprises a mounting frame and an operating frame, the mounting frame is provided with a testing cavity, a plurality of groups of microneedle structures are arrayed in the testing cavity, two ends of each microneedle structure are connected to two sides of the testing cavity in a sliding manner, and the operating frame is connected with the mounting frame. One end of the micro-needle structure is provided with an operation part, the operation part penetrates out of the test cavity, the upper end of the micro-needle structure is provided with a pressing plate, the pressing plate is provided with a plurality of micro-needles facing the micro-needle structure array, and a reset structure is arranged between the pressing plate and the micro-needle structure; the operating frame is rotationally connected to the mounting frame, the operating frame is provided with a pressing block facing the opposite test cavity, and the surface area of the pressing block is smaller than or equal to that of the test cavity. According to the utility model, the distance between the microneedles can be stably adjusted so as to adapt to pieces to be tested of different specifications.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board test technical field especially relates to a spacing adjustable microneedle module. BACKGROUND

[0002] With the advent of information age, people's demand quantity for electronic components such as circuit board is more and more big, in order to make the quality of product have absolute guarantee, these electronic components need to be detected and tested after production is completed. But the existing microneedle module for testing, there are still problems such as probe being damaged by being touched by test connector and test connector being scratched by probe, high use cost of test module. And because the spacing of microneedle is not adjustable, different specifications of electronic components need to prepare corresponding microneedle modules of different specifications, which greatly improves the test cost. UTILITY MODEL CONTENTS

[0003] The utility model discloses a spacing adjustable microneedle module, which aims to realize stable adjustment of the spacing of microneedle to adapt to different specifications of test pieces.

[0004] To achieve the above object, the utility model provides a spacing adjustable microneedle module, which comprises a mounting frame and an operating frame.

[0005] The mounting frame is provided with a test cavity, and a plurality of groups of microneedle structures are arranged in the test cavity in an array, both ends of the microneedle structure are slidingly connected to both sides of the test cavity, one end of the microneedle structure is provided with an operating part, the operating part penetrates out of the test cavity, the upper end of the microneedle structure is provided with a pressing plate, the pressing plate faces the array of microneedle structures and is provided with a plurality of microneedles, and a reset structure is arranged between the pressing plate and the microneedle structure.

[0006] The operating frame is rotationally connected to the mounting frame, and the operating frame is provided with a pressing block facing the test cavity, and the surface area of the pressing block is less than or equal to the surface area of the test cavity.

[0007] In an embodiment of the present application, the mounting frame is provided with an adjusting cavity opposite the operating part, the adjusting cavity is connected to one side of the test cavity, an equidistant adjusting structure is slidingly connected in the adjusting cavity, the equidistant adjusting structure comprises a plurality of adjusting nodes, and each adjusting node corresponds to a group of microneedle structures.

[0008] In an embodiment of the present application, the equidistant adjusting structure is a four-bar linkage member, the four-bar linkage member comprises a plurality of linkage structures that are mutually crossed and rotationally connected together, the plurality of linkage structures enclose a plurality of diamond-shaped adjusting spaces connected in tail, and the adjusting nodes are located between adjacent diamond-shaped adjusting spaces.

[0009] In an embodiment of the present application, the adjusting cavity is provided with a fixed part relative to the four-bar linkage member, the fixed part is arranged corresponding to an adjusting node, and the fixed part is connected to one end of the adjusting node away from the operation part.

[0010] In an embodiment of the present application, the operation part penetrates the mounting frame, the operation part is provided with an adjusting handle away from the microneedle structure, the side wall of the mounting frame is provided with a guide groove corresponding to the movement track of the adjusting handle, and the guide groove is provided with a scale structure corresponding to the adjusting handle.

[0011] In an embodiment of the present application, one end of the operation frame away from the pressing block is provided with an operation handle, and a torsional spring is arranged on the rotating shaft between the mounting frame and the operation frame.

[0012] In an embodiment of the present application, the operation frame is provided with a giving cavity corresponding to the adjusting cavity, and the giving cavity is connected to one side of the pressing block.

[0013] By adopting the above technical scheme, the present application has the following advantages:

[0014] 1. The operation frame is rotationally connected to the mounting frame, and the pressing plate is arranged towards the test cavity of the mounting frame, the microneedle structure in the test cavity can be pressed out of the mounting frame to achieve the test purpose by rotating the operation frame, the mounting frame itself can protect the microneedles of the microneedle structure, and only when in use, the microneedle detection can be tested by the pressing block, and the microneedle module can be used more safely and stably through the structure.

[0015] 2. The microneedle structure can be fixed, one end of the microneedle is connected to the pressing plate, the other end penetrates the microneedle structure, and the reset structure is arranged between the pressing plate and the microneedle structure, the reset structure is generally a spring, which can make the microneedle retract in the test cavity when not in use, and only when the mounting frame and the operation frame are folded, the microneedle can be pressed out, so that the microneedle module is used more safely.

[0016] 3. The two side ends of the microneedle structure penetrate the test cavity and are slidingly connected to the mounting frame, the mounting frame can limit and guide the microneedle structure, and the end of the microneedle structure is provided with an operation part, the user can adjust the position of the microneedle structure through the operation part, so that the microneedle structure can slide in the test cavity, the distance between adjacent microneedle structures can be quickly adjusted by sliding the microneedle structure, the module can adapt to different specifications of the to-be-detected pieces, and the use experience of the user can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. 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 also be obtained according to the structures shown in these drawings without creative labor.

[0018] Fig. 1 It is a one-directional structure diagram of the present application adjustable distance microneedle module.

[0019] Fig. 2 It is another directional structure diagram of the present application adjustable distance microneedle module.

[0020] Fig. 3 It is a structure diagram of the equidistance adjusting structure of the present application adjustable distance microneedle module.

[0021] Explanation of reference numerals:

[0022] 1, mounting frame; 11, test cavity; 12, adjusting cavity; 13, fixed part; 2, equidistance adjusting structure; 21, connecting rod structure; 22, adjusting node; 3, microneedle structure; 31, operation part; 32, pressing plate; 4, operation frame; 41, pressing block; 42, accommodation cavity.

[0023] The implementation, functional characteristics and advantages of the present application will be further described with reference to the drawings. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0025] Reference Figs. 1-3 In order to achieve the above purpose, the present application provides an adjustable distance microneedle module, which comprises a mounting frame 1 and an operation frame 4, the mounting frame 1 is provided with a test cavity 11, the test cavity 11 is arrayed with a plurality of microneedle structures 3, both ends of the microneedle structure 3 are slidingly connected to both sides of the test cavity 11, one end of the microneedle structure 3 is provided with an operation part 31, the operation part 31 penetrates out of the test cavity 11, the upper end of the microneedle structure 3 is provided with a pressing plate 32, the pressing plate 32 is arrayed with a plurality of microneedles towards the microneedle structure 3, and a reset structure is arranged between the pressing plate 32 and the microneedle structure 3; the operation frame 4 is rotationally connected to the mounting frame 1, the operation frame 4 is provided with a pressing block 41 towards the test cavity 11, and the surface area of the pressing block 41 is less than or equal to the surface area of the test cavity 11.

[0026] The operation frame 4 is rotationally connected to the mounting frame 1, and the pressing plate 32 is arranged towards the test cavity 11 of the mounting frame 1. The micro-needle structure 3 in the test cavity 11 can be pressed out of the mounting frame 1 by rotating the operation frame 4 to achieve the test purpose. The mounting frame 1 can protect the micro-needles of the micro-needle structure 3. Only when in use, the micro-needles can be used for testing by the pressing block 41. In this way, the micro-needle module can be used more safely and stably.

[0027] The micro-needle structure 3 can be fixed. One end of the micro-needle is connected to the pressing plate 32, and the other end is arranged in the micro-needle structure 3. The reset structure is arranged between the pressing plate 32 and the micro-needle structure 3. The reset structure is generally a spring. The spring can make the micro-needles retract in the test cavity 11 when not in use. Only when the mounting frame 1 and the operation frame 4 are folded, the micro-needles can be pressed out, so that the entire micro-needle module can be used more safely.

[0028] The two side ends of the micro-needle structure 3 are arranged out of the test cavity 11 and are slidably connected to the mounting frame 1. The mounting frame 1 can limit and guide the micro-needle structure 3. The end of the micro-needle structure 3 is provided with an operation part 31. The user can adjust the position of the micro-needle structure 3 through the operation part 31, so that the micro-needle structure 3 can slide in the test cavity 11. By sliding the micro-needle structure 3, the distance between adjacent micro-needle structures 3 can be quickly adjusted, so that the module can adapt to different specifications of the to-be-tested piece, and the user's use experience can be effectively improved.

[0029] For reference Figs. 1-2 The mounting frame 1 is provided with an adjusting cavity 12 opposite to the operation part 31. The adjusting cavity 12 is connected to one side of the test cavity 11. The equal-distance adjusting structure 2 is slidably connected in the adjusting cavity 12. The equal-distance adjusting structure 2 includes a plurality of adjusting nodes 22. Each adjusting node 22 corresponds to a group of micro-needle structures 3.

[0030] In order to adjust the positions of the plurality of groups of micro-needle structures 3, and then change the distance between adjacent micro-needles, the adjusting cavity 12 is arranged on one side of the test cavity 11 towards the operation part 31 of the micro-needle structure 3. The operation part 31 is arranged in the adjusting cavity 12. The user can directly act on the operation part 31 through the adjusting cavity 12 to quickly adjust the distance between the micro-needles.

[0031] In order to make the plurality of micro-needle structures 3 more stable and convenient to adjust, and the plurality of groups of micro-needles more evenly distributed after adjustment, the equal-distance adjusting structure 2 is arranged in the adjusting cavity 12 towards the plurality of groups of micro-needles. In a feasible scheme, the equal-distance adjusting structure 2 includes a plurality of lead screws. The end of the lead screw is the adjusting node 22. Each group of lead screws is connected to one operation part 31. The lead screw can be adjusted by a control system to ensure that the distance between different groups of micro-needle structures 3 remains unchanged after adjustment, so that the distance adjustment is more rapid.

[0032] For referenceFig. 3 The equidistance adjusting structure 2 is a four-bar linkage member, which comprises a plurality of link structures 21 that are cross-connected and rotate-connected together, and the plurality of link structures 21 enclose a plurality of diamond-shaped adjusting spaces connected at tail ends, and the adjusting nodes 22 are between the adjacent diamond-shaped adjusting spaces.

[0033] In the present application, the equidistance adjusting structure 2 is a four-bar linkage member, which comprises a plurality of link structures 21, wherein every four link structures 21 form a group and enclose a diamond-shaped adjusting space, and the link structures 21 that are cross-connected between the adjacent two groups of link structures 21 are integrally formed. Because of the particularity of the diamond shape, the adjusting nodes 22 arranged between the adjacent two groups of adjusting spaces only move left and right during adjustment, and the plurality of microneedle structures 3 can be displaced in proportion with the help of the diamond-shaped adjusting space, so that the microneedle module is more convenient to use.

[0034] In combination with the accompanying drawings, Figs. 1-3 The adjusting cavity 12 is provided with a fixed part 13 relative to the four-bar linkage member, the fixed part 13 is arranged corresponding to one adjusting node 22, and the fixed part 13 is connected to one end of the adjusting node 22 away from the operation part 31.

[0035] In order to make the four-bar linkage member convenient to use, one adjusting node 22 is fixed by the fixed part 13, so that when the user operates the operation part 31 protruding out of the two adjusting nodes 22 of the fixed part 13, the entire module can be adjusted in proportion and quickly.

[0036] In combination with the accompanying drawings, Figs. 1-2 The operation part 31 penetrates the mounting frame 1, and the operation part 31 away from the microneedle structure 3 is provided with an adjusting handle, the side wall of the mounting frame 1 is provided with a guide groove relative to the movement track of the adjusting handle, and the guide groove is provided with a scale structure relative to the adjusting handle.

[0037] The adjusting handle can make the entire distance adjusting process more convenient, the scale structure comprises a plurality of scales, and corresponding comparison scales can be arranged on the adjusting handle corresponding to the scales, each scale can correspond to a piece of measured piece of a certain specification, and the use experience of the user can be effectively improved.

[0038] In combination with the accompanying drawings, Fig. 2 The operation handle is arranged at one end of the operation frame 4 away from the pressing block 41, and a torsional spring is arranged on the rotating shaft between the mounting frame 1 and the operation frame 4.

[0039] The operation handle can make the user better operate the microneedle module, the torsional spring can conveniently reset the operation frame 4, can quickly open after a piece of measured piece is tested, and can replace the measured piece, so that the test efficiency can be effectively improved.

[0040] In combination with the accompanying drawings, Figs. 1-2The operation frame 4 is provided with a clearance cavity 42 opposite the adjusting cavity 12, and the clearance cavity 42 is connected to one side of the pressing block 41.

[0041] In the present application, the equidistant adjusting structure 2 is a four-bar linkage member, in order to avoid the operation frame 4 hindering the member when the distance of the rhombus adjusting space changes, the clearance cavity 42 is arranged corresponding to the adjusting cavity 12, and the microneedle distance adjusting is more convenient.

[0042] In the drawings of the present embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0043] The above is only a preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A microneedle module with adjustable spacing, characterized in that, The utility model relates to a micro-needle testing device, which comprises: a mounting frame with a test cavity, a plurality of groups of micro-needle structures arranged in the test cavity, both ends of the micro-needle structures being slidingly connected to both sides of the test cavity, one end of the micro-needle structures being provided with an operating part, the operating part extending out of the test cavity, the upper end of the micro-needle structures being provided with a pressing plate, a plurality of micro-needles being arranged in the array of the micro-needle structures, a reset structure being arranged between the pressing plate and the micro-needle structures; an operating frame rotatably connected to the mounting frame, the operating frame being provided with a pressing block opposite to the test cavity, the surface area of the pressing block being less than or equal to the surface area of the test cavity. 2.The adjustable pitch microneedle module of claim 1, wherein, The mounting frame is provided with an adjusting cavity opposite to the operating part, the adjusting cavity being connected to one side of the test cavity, an equidistant adjusting structure being slidingly connected in the adjusting cavity, the equidistant adjusting structure comprising a plurality of adjusting nodes, each adjusting node corresponding to a group of micro-needle structures. 3.The adjustable pitch microneedle module of claim 2, wherein, The equidistant adjusting structure is a four-bar linkage member, the four-bar linkage member comprising a plurality of cross-linked connecting rod structures rotatably connected together, the plurality of connecting rod structures forming a plurality of diamond-shaped adjusting spaces connected in tail-to-tail manner, the adjusting nodes being arranged between adjacent diamond-shaped adjusting spaces.

4. The adjustable pitch microneedle module of claim 3, wherein, The adjusting cavity is provided with a fixing part opposite to the four-bar linkage member, the fixing part corresponding to one adjusting node, the fixing part being connected to one end of the adjusting node away from the operating part.

5. The adjustable pitch microneedle module of claim 1, wherein, The operating part extends out of the mounting frame, the operating part being provided with an adjusting handle away from the micro-needle structures, a guide groove being formed in the side wall of the mounting frame opposite to the movement track of the adjusting handle, the guide groove being provided with a scale structure opposite to the adjusting handle.

6. The adjustable pitch microneedle module of claim 1, wherein, The operating frame is provided with an operating handle at one end away from the pressing block, a torsional spring being arranged on the rotation shaft between the mounting frame and the operating frame.

7. The adjustable pitch microneedle module of claim 2, wherein, The operating frame is provided with a giving-up cavity opposite to the adjusting cavity, the giving-up cavity being connected to one side of the pressing block.