Self-adaptive test needle die
By designing an adaptive test probe mold, the accuracy and stability issues during the testing of circuit boards of different specifications were resolved, enabling efficient and accurate circuit board testing.
Patent Information
- Application Number
- CN202422989261.2
- 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
Traditional test probes are difficult to adapt to circuit boards of different specifications, resulting in insufficient test accuracy and stability, and the presence of errors.
An adaptive test probe mold was designed. Through the combination of mounting bracket and housing, including locking structure, guide post, limiting structure and reset structure, it can realize adaptive locking and accurate testing of circuit boards of different specifications.
It improves testing efficiency and stability, reduces testing errors, protects the needle mold structure, and enhances testing accuracy and stability.
Smart Images
Figure CN223611589U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit board test technical field especially relates to a kind of self-adapting test needle mould. BACKGROUND
[0002] Mobile phone, etc. Wearable device more and more electronic equipment use flexible circuit board as its main component, and the requirement of the test precision of flexible circuit board is also higher and higher. The traditional test probe has been unable to meet the existing design requirements, so a one-piece spring needle is derived, the spring needle includes the head portion connected with the product to be tested, the tail portion connected with the signal circuit board and the spring portion between the head portion and the tail portion.
[0003] The test needle mould of the existing spring needle is generally hidden in the test fixture, and the test is completed by aligning the circuit board with the fixture, then exposing the spring needle by pressing and connecting the circuit board. However, different specifications of circuit boards are difficult to align the spring needle smoothly during testing, and the force is uneven during pressing, which can easily cause high error in testing. UTILITY MODEL CONTENTS
[0004] The main purpose of the utility model is to provide a kind of self-adapting test needle mould, to improve the test precision, and adapt to different specifications of the measured piece.
[0005] To achieve the above purpose, the utility model provides a kind of self-adapting test needle mould, including mounting frame and shell:
[0006] The mounting frame is provided with a mounting cavity, and the locking structure is slidably connected in the mounting cavity. The locking structure includes two adjusting rods oppositely arranged on both sides of the mounting cavity and two fixing rods perpendicular to the adjusting rods and oppositely arranged on both ends of the mounting cavity. The fixing rods are slidably connected to the adjusting rods, and the two adjusting rods and the fixing rods form an installation space.
[0007] The shell is provided with a test cavity, and the test cavity is provided with a needle mould structure towards the mounting frame. The bottom wall of the test cavity is provided with a plurality of guide columns towards the mounting frame. The test cavity is parallel to the mounting frame and provided with a limiting structure. The limiting structure is between the mounting frame and the test cavity. The mounting frame and the limiting structure are slidably connected to the guide columns. The limiting structure and the bottom wall of the test cavity are provided with a reset structure.
[0008] In an embodiment of the present application, the adjusting rod includes an abutting block and a locking rod, the locking rod is arranged in the abutting block, the locking rod and the abutting block are coaxially arranged, the two ends of the locking rod away from the abutting block are oppositely provided with adjusting parts, the adjusting parts are connected to the fixing rods, the adjusting parts away from the locking rod are provided with driving parts, and the top of the mounting frame is provided with a gap towards the driving parts.
[0009] In an embodiment of the present application, the fixed rod is provided with a connecting block towards the adjusting part, the adjusting part is connected to the connecting block, the fixed rod is provided with a sliding cavity along the moving track of the adjusting rod, and the connecting block is slidingly connected to the sliding cavity.
[0010] In an embodiment of the present application, the fixed rod is provided with two sliding cavities symmetrically along the central axis, a locking block is arranged between the two adjacent sliding cavities, and the bottom edge of the locking block is provided with a loading part protruding towards the oppositely arranged fixed rod.
[0011] In an embodiment of the present application, the mounting frame is provided with a limiting sliding groove towards the fixed rod, the fixed rod is arranged in the limiting sliding groove and is slidingly connected to the limiting sliding groove, and the mounting frame is provided with a pressing block opposite to the limiting structure.
[0012] In an embodiment of the present application, the mounting frame and the limiting structure are provided with a reset assembly, and the reset assembly and the reset structure are arranged around the guide column.
[0013] By adopting the above technical scheme, the present application has the following advantages:
[0014] 1. The caliber of the installation cavity is the maximum size of the circuit board to be tested, in order to adapt to circuit boards of different sizes, the mounting frame is provided with a locking structure, the locking structure protects the fixed rod and the adjusting rod which are perpendicular to each other, and the fixed rod and the adjusting rod can be locked and slid relative to the mounting frame, the installation space formed by the fixed rod and the adjusting rod can adaptively lock circuit boards of different sizes, and the test efficiency and stability are improved.
[0015] 2. The mounting frame, the limiting structure and the shell are connected together through a plurality of guide columns, the limiting structure is above the needle mold structure before being pressed down by the mounting frame with the help of the reset structure, the limiting structure can protect the needle mold structure, avoid the harm caused by the exposure of the needle mold structure when not in use, and the needle mold can pass through the limiting structure to facilitate the test of the needle mold by pressing down the mounting frame and driving the limiting structure to move downward.
[0016] 3. The inner diameter area of the shell is equal to the projection area of the mounting frame on the horizontal plane, so that when the mounting frame is pressed down, the inner wall of the shell can also stabilize the mounting frame in addition to the guide columns, the stability of the test needle mold is improved, and the test precision is 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] Figure 1 It is a structure schematic view of the adaptive test needle mold of the present application.
[0019] Figure 2 It is a sectional view of the adaptive test needle mold of the present application.
[0020] Explanation of reference numerals:
[0021] 1, mounting frame; 11, mounting cavity; 12, let go of the slot; 13, pressing block; 2, locking structure; 3, adjusting rod; 31, abutting block; 32, locking rod; 33, adjusting part; 34, driving part; 4, fixed rod; 41, connecting block; 42, sliding cavity; 43, locking block; 5, shell; 51, test cavity; 6, needle mold structure; 7, guide column; 8, limiting structure; 9, reset structure.
[0022] The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme 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.
[0024] Reference Figures 1 to 2 In order to achieve the above purpose, the present application provides an adaptive test needle mold, which comprises a mounting frame 1 and a shell 5, the mounting frame 1 is provided with a mounting cavity 11, the mounting cavity 11 is slidably connected with a locking structure 2, the locking structure 2 comprises two adjusting rods 3 oppositely arranged on both sides of the mounting cavity 11 and two fixed rods 4 perpendicular to the adjusting rods 3 and oppositely arranged on both ends of the mounting cavity 11, the fixed rods 4 are slidably connected with the adjusting rods 3, and the two adjusting rods 3 and the fixed rods 4 form a mounting space; the shell 5 is provided with a test cavity 51, the test cavity 51 is provided with a needle mold structure 6 facing the mounting frame 1, the bottom wall of the test cavity 51 is provided with a plurality of guide columns 7 facing the mounting frame 1, the test cavity 51 is provided with a limiting structure 8 parallel to the mounting frame 1, the limiting structure 8 is between the mounting frame 1 and the test cavity 51, the mounting frame 1 and the limiting structure 8 are slidably connected with the guide columns 7, and the limiting structure 8 and the bottom wall of the test cavity 51 are provided with a reset structure 9.
[0025] The caliber of the installation cavity 11 is the maximum size of the circuit board to be tested, and in order to adapt to circuit boards of different sizes, a locking structure 2 is arranged on the mounting frame 1, the locking structure 2 protects the fixing rod 4 and the adjusting rod 3 which are perpendicular to each other, and the fixing rod 4 and the adjusting rod 3 can be locked and slid relative to the mounting frame 1. The mounting space formed by the fixing rod 4 and the adjusting rod 3 can adaptively lock circuit boards of different sizes, thereby improving the test efficiency and stability.
[0026] The mounting frame 1, the limiting structure 8, and the shell 5 are connected in series through a plurality of guide columns 7. The limiting structure 8 is above the needle mold structure 6 before the mounting frame 1 is pressed down with the help of the reset structure 9. The limiting structure 8 can protect the needle mold structure 6 and avoid damage caused by exposure of the needle mold structure 6 when not in use. By pressing down the mounting frame 1 and driving the limiting structure 8 to move downward, the needle mold can be pierced through the limiting structure 8 to facilitate testing of the needle mold.
[0027] The inner diameter area of the shell 5 is equal to the projection area of the mounting frame 1 on the horizontal plane, so that when the mounting frame 1 is pressed down, the inner wall of the shell 5 can also stabilize the mounting frame 1 except for the guide columns 7, thereby improving the stability of the test needle mold and improving the test precision.
[0028] In combination with reference to Figure 1 The adjusting rod 3 includes an abutting block 31 and a locking rod 32. The locking rod 32 is arranged through the abutting block 31, and the locking rod 32 and the abutting block 31 are coaxially arranged. The two ends of the locking rod 32 away from the abutting block 31 are provided with adjusting portions 33. The adjusting portions 33 are connected to the fixing rod 4. The driving portions 34 are arranged away from the locking rod 32. The top of the mounting frame 1 is provided with a clearance slot 12 facing the driving portions 34.
[0029] In the present application, the adjusting rod 3 is slidably connected to the fixing rod 4. The abutting block 31 is generally a cylindrical body and is generally made of flexible and non-insulating materials such as silicone and rubber, which can compress the circuit board while protecting the circuit board itself. The adjusting portions 33 are arranged at the two ends of the locking rod 32. The two oppositely arranged adjusting portions 33 are screw rods with opposite threads. The screw rods are screwed to the fixing rod 4. The ends of the adjusting portions 33 are connected to the driving portions 34, which are generally rotary knob structures. The clearance slot 12 can facilitate the user to adjust the driving portions 34 outside the test needle mold. By rotating the locking rod 32 through the driving portions 34, the oppositely arranged fixing rods 4 can be moved relative to each other to achieve the purpose of reducing the distance and clamping the circuit board to be tested.
[0030] In combination with reference to Figures 1 to 2The fixed rod 4 is provided with a connecting block 41 facing the adjusting part 33, the adjusting part 33 is connected to the connecting block 41, the fixed rod 4 is provided with a sliding cavity 42 along the moving track of the adjusting rod 3, and the connecting block 41 is slidingly connected to the sliding cavity 42.
[0031] The connecting block 41 is used for connecting the adjusting rod 3, the screw rod structure is screwed to the connecting block 41, the sliding cavity 42 can facilitate the adjusting rod 3 to adjust the relative position, and the sliding cavity 42 can be provided with a clamping structure relative to the connecting block 41; a user can manually adjust the adjusting rod 3 arranged relative to the connecting block 41, and rotate the driving part 34 after meeting the needs, so that the fixed rod 4 moves relatively, thereby clamping circuit boards of different specifications. Through the structure, the test efficiency and test accuracy can be effectively improved, and the smoothness of the whole operation is guaranteed.
[0032] Referring to Figures 1 to 2 The fixed rod 4 is symmetrically provided with two sliding cavities 42 along the central axis, and the adjacent two sliding cavities 42 are provided with a locking block 43, and the bottom edge of the locking block 43 protrudes towards the oppositely arranged fixed rod 4 and is provided with a loading part.
[0033] The locking block 43 is located in the middle of the fixed rod 4, and is used for facilitating clamping of the circuit board. The loading platform is located at the bottom edge of the locking block 43, and can better support the object to be tested. The height of the abutting block 31 is higher than the height of the loading platform, and the two cooperate with each other to effectively clamp the circuit board and guarantee the test stability.
[0034] Referring to Figures 1 to 2 In an embodiment of the present application, the mounting frame 1 is provided with a limiting sliding groove facing the fixed rod 4, the fixed rod 4 is provided in the limiting sliding groove and is slidingly connected to the limiting sliding groove, and the mounting frame 1 is provided with a pressing block 13 relative to the limiting structure 8.
[0035] The limiting sliding groove can facilitate the fixed rod 4 to be connected to the mounting frame 1, and the limiting sliding groove can limit the fixed rod 4. The fixed rod 4 is connected to the adjusting rod 3. By limiting the moving track of the fixed rod 4 through the limiting sliding groove, the moving track of the locking structure 2 itself can be guaranteed, the locking operation itself is more stable, and the circuit board can be aligned with the needle mold structure 6 after being locked, thereby improving the test accuracy.
[0036] Referring to Figure 2 In an embodiment of the present application, the mounting frame 1 and the limiting structure 8 are provided with a reset assembly, and the reset assembly and the reset structure 9 are sleeved on the guide column 7.
[0037] The reset assembly and the reset structure 9 are generally spring structures, and are provided in the guide column 7 to guarantee that the deformation path of the spring itself is limited, so that the mounting frame 1 is more stable in the lifting and lowering process after the circuit board is installed. The reset assembly can facilitate the separation of the mounting frame 1 and the limiting structure 8, and the reset structure 9 can facilitate the limiting structure 8 to protect the needle mold structure 6 again.
[0038] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the present application, it is 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, for those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0039] The above is only a preferred embodiment of the present application, and is not used to 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. An adaptive test pin template, characterized by, The utility model relates to a needle module test device, including: Mounting frame, mounting cavity is opened to mounting frame, locking structure is slidably connected in mounting cavity, locking structure includes two adjusting rods opposite in two side edges of mounting cavity and two fixed rods perpendicular to adjusting rod and opposite in two end heads of mounting cavity, fixed rod is slidably connected in adjusting rod, two adjusting rods and fixed rod are enclosed and form mounting space, Shell, test cavity is opened to shell, needle module structure is equipped with to test cavity towards mounting frame, the bottom wall of test cavity is equipped with multiple guide columns towards mounting frame, the limit structure is equipped with to test cavity parallel to mounting frame, the limit structure is between mounting frame and test cavity, mounting frame and limit structure are slidably connected in guide column, the limit structure and the bottom wall of test cavity are equipped with reset structure.
2. The self-adapting test needle form of claim 1, wherein, The adjusting rod includes an abutting block and a locking rod, the locking rod is provided through the abutting block, the locking rod and the abutting block are coaxially arranged, the two ends of the locking rod away from the abutting block are provided with adjusting parts, the adjusting parts are connected to the fixed rods, the driving parts are provided on the adjusting parts away from the locking rod, the top of the mounting frame is provided with a gap towards the driving parts.
3. The self-adapting test needle form of claim 2, wherein, The fixed rod is provided with a connecting block towards the adjusting part, the adjusting part is connected to the connecting block, the fixed rod is provided with a sliding cavity along the moving track of the adjusting rod, and the connecting block is slidably connected to the sliding cavity.
4. The self-adapting test needle form of claim 3, wherein, The fixed rod is symmetrically provided with two sliding cavities along the central axis, and a locking block is provided between the two adjacent sliding cavities, and the bottom edge of the locking block is provided with a load part towards the opposite fixed rod.
5. The self-adapting test needle form of claim 1, wherein, The mounting frame is provided with a limiting sliding groove towards the fixed rod, the fixed rod is provided through the limiting sliding groove and is slidably connected to the limiting sliding groove, and the mounting frame is provided with a pressing block opposite the limit structure.
6. The self-adapting test needle form of claim 1, wherein, The mounting frame and the limit structure are provided with a reset assembly, and the reset assembly and the reset structure are sleeved on the guide column.