CN220569382U

CN220569382U - Novel blade needle for display module assembly

Info

Publication number: CN220569382U
Application number: CN202322331646.5U
Authority: CN
Inventors: 邸洪宝; 王振伟; 吕梦雪; 郭晨光
Original assignee: Hefei Kongtuo Equipment Technology Co ltd
Current assignee: Hefei Kongtuo Equipment Technology Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-08
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a novel blade needle for a display module, which relates to the technical field of blade needles and comprises a base, wherein a clamping groove is formed in the surface of the base, a base plate is connected in a sliding manner in the clamping groove formed in the surface of the base, a mounting plate is arranged on the base plate, a test plate is arranged on the mounting plate, ports for connecting wiring ends of the display module to carry out detection operation are formed in the surface of the test plate, a plurality of blade probes are equidistantly arranged on the surface of the base plate, a plurality of needle grooves penetrating through the test plate and the mounting plate are equidistantly formed in the surface of the ports, one ends of the blade probes penetrate through the needle grooves, one ends of the blade probes protrude out of the ports and are higher than the top of the needle grooves, and a notch communicated with one end of the needle grooves is formed in one side wall of the test plate and one side wall of the mounting plate. The utility model is convenient for replacing and maintaining in time after the blade probe is damaged and can not work, and improves the convenience of overhauling and maintaining the blade probe.

Description

Novel blade needle for display module assembly

Technical Field

The utility model relates to the technical field of blade needles, in particular to a novel blade needle for a display module.

Background

The display module is a product composed of an LED lamp, a PCB circuit board, a driving IC, a resistor, a capacitor and a plastic suite, and is one of main components for forming a finished product of the LED display screen.

In the production and assembly process of the display module, each procedure needs to detect a semi-finished product, and at present, test equipment is usually used for testing the semi-finished product by being electrically connected with the product, and the test equipment usually adopts a blade needle module which is a special jig for testing the LED display module. During testing, the display module is placed on the test platform, the wiring end of the display module is matched with the connection port of the blade needle module to be electrically connected, and then the probe in the blade needle module is connected with the test PCB substrate to complete the conduction test. And judging whether the display module is qualified or not after the test is finished.

But in the in-process that detects the display module through blade needle module, the wiring end of display module lies in the connection port of blade needle module when matcing, inconvenient assistance localization display module's wiring end position, easily lead to the wiring end of display module to take place the misalignment problem when inserting the port of blade needle module in, and then the needle tip shape of probe easily scratches the wiring end of display module or causes the collision damage of probe needle, and the assembly of current blade needle module, usually by the base, mounting panel and test panel assemble layer upon layer, it is complicated to install and remove, be limited to the mounting structure of current blade needle module, when the probe is impaired need change and maintain, can't carry out holistic change to the probe subassembly, that is to say when a certain probe damages, only need dismantle layer upon layer, can take out the probe that is located on the base plate and just change, after the probe is impaired unable operation, inconvenient change and maintain in time, influence probe maintenance operation convenience, can lead to the probe maintenance to install and remove complicacy and detach and to influence the detection operation use to the display module.

Disclosure of Invention

Aiming at the technical problems existing in the application of the existing blade needle, the utility model provides a novel blade needle for a display module.

The novel blade needle for the display module comprises a base, wherein a clamping groove is formed in the surface of the base, a substrate is slidably connected in the clamping groove formed in the surface of the base, a mounting plate is arranged on the substrate, a test plate is arranged on the mounting plate, ports for connecting wiring ends of the display module to carry out detection operation are formed in the surface of the test plate, a plurality of blade probes are equidistantly arranged on the surface of the substrate, a plurality of needle grooves penetrating through the test plate and the mounting plate are equidistantly formed in the surface of the ports, one ends of the blade probes penetrate through the plurality of needle grooves respectively, one ends of the blade probes protrude out of the ports and are higher than the top of the needle grooves, a notch communicated with one end of the needle grooves is formed in one side wall of the test plate and one side wall of the mounting plate, and a limiting block is slidably connected in the notch;

lifting holes are respectively formed in the surfaces of two sides of the port, and auxiliary positioning mechanisms are elastically arranged in the lifting holes.

Further, the two side walls of the notch are respectively provided with a sliding groove, the two side walls of the limiting block are respectively provided with a sliding block, the sliding blocks are in sliding connection in the sliding grooves, and one end of the limiting block is abutted against one end of the needle groove.

Further, bolts are respectively connected with the surfaces of the two sides of the test board, which are close to the limiting block, in a threaded manner, and screw holes are reserved on the tail ends of the bolts and the surfaces of the sliding blocks in a threaded manner.

Further, the surface of stopper is provided with spacing, the one end surface threaded connection of spacing has the hand to twist the screw, the screw threaded connection that one end and stopper surface pre-equipped with of hand to twist the screw, spacing winds hand to twist the screw rotation to level mutually with the port top.

Further, auxiliary positioning mechanism includes mobile jib, auxiliary rod, spring and locating plate, the mobile jib wears to establish in the lifting hole, auxiliary rod wears to establish in the mobile jib to with mobile jib sliding connection, the spring housing is established on auxiliary rod, and spring one end and mobile jib tip rigid coupling, the locating plate sets up in the one end department of auxiliary rod, the spring other end and locating plate bottom rigid coupling.

Further, the two side surfaces of the port are respectively provided with an abutting groove, and the positioning plate is movably embedded in the abutting grooves.

The utility model has the beneficial effects that:

1. through unscrewing the bolt that uncaps, and then move out the stopper along the notch through slider and spout cooperation, make the stopper remove the butt spacing to needle groove one end, and then when the blade probe takes place to damage, the draw-in groove on base surface is followed to notch one side direction with the base board and is shifted out, and drive the blade probe and follow needle inslot horizontal migration, otherwise, can reset and install back the blade probe after changing the maintenance, the substrate and the blade probe of being convenient for install and detach, the convenience is in the impaired unable operation back of blade probe, in time change the maintenance, it is convenient to install and detach, improve the convenience to blade probe maintenance operation, avoid the blade probe to maintain and install and tear complicated and influence the detection operation use to the display module.

2. The wiring terminal of the display module is arranged on the positioning plate, the wiring terminal of the display module is positioned in an auxiliary manner through the positioning plate, the wiring terminal is pressed, the positioning plate is pressed downwards, the auxiliary rod is pressed into the main rod and drives the spring to compress under the stress, the positioning plate is embedded into the abutting groove on the surface of the port, the wiring terminal of the display module is abutted into the port and is electrically connected with one end of the plurality of blade probes, the limiting strip is rotated, one end of the limiting strip is abutted above the wiring terminal of the display module, the hand screw is screwed, the limiting strip is fixed in position, the operation position of the wiring terminal of the display module is convenient to fix, the blade probes are matched to complete the detection operation of the display module, after the detection operation is completed, the hand screw is unscrewed, the limiting strip is rotated, the force is removed from the display module, the spring is driven to rebound, the auxiliary rod is driven to reset, the positioning plate is pushed to reset, the wiring terminal of the display module is disconnected with the blade probes, the detection operation of the display module is convenient to complete, the connection position of the limiting strip and the display module and the blade probes are prevented from being scratched when the connection position of the display module is connected with the blade probes, and the detection operation of the display module is prevented from being scratched, and the position of the display module is prevented from being aligned with the wiring terminal probe.

Drawings

Fig. 1 is a perspective view of a base.

Fig. 2 is a cross-sectional view of the base.

Fig. 3 is a cross-sectional view of a test plate.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals

1. A base; 2. a substrate; 3. a mounting plate; 4. a test board; 5. a port; 6. a blade probe; 7. a needle groove; 8. a notch; 9. a limiting block; 10. lifting holes; 11. an auxiliary positioning mechanism; 111. a main rod; 112. an auxiliary rod; 113. a spring; 114. a positioning plate; 12. a chute; 13. a slide block; 14. a bolt; 15. a limit bar; 16. screwing the screw by hand; 17. abutting the groove.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and to specific examples. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

The utility model provides a novel blade needle for display module assembly, including base 1, the draw-in groove has been seted up on base 1 surface, and the draw-in groove sliding connection who sets up on base 1 surface has base 2, be provided with mounting panel 3 on the base 2, be provided with test board 4 on the mounting panel 3, the port 5 that is used for connecting the wiring end of display module assembly to detect the operation has been seted up on the surface of test board 4, the surface equidistance of base 2 is provided with many blade probes 6, the needle groove 7 in multichannel run through test board 4 and the mounting panel 3 has been seted up to the surface equidistance of port 5, this is the constitution structure of current blade needle module assembly, can cooperate to accomplish and detect the operation to the display module assembly, refer to fig. 1, fig. 2.

One end of each of the plurality of blade probes 6 is respectively arranged in the plurality of needle grooves 7 in a penetrating way, one end of each of the blade probes 6 protrudes out of the port 5 and is higher than the top of each of the needle grooves 7, each of the blade probes 6 is arranged in a blade shape, the needle ends of the blade probes are arranged in a protruding gooseneck shape, a notch 8 communicated with one end of each of the needle grooves 7 is formed in one side wall of each of the test board 4 and the mounting board 3, and a limiting block 9 is slidably connected in the notch 8. Rectangular sliding grooves 12 are respectively formed in the inner side walls of the two sides of the notch 8, sliding blocks 13 are respectively arranged in the side walls of the two sides of the limiting block 9, the sliding blocks 13 are connected in the sliding grooves 12 in a sliding mode, and one end of the limiting block 9 is abutted to one end of the needle groove 7. When the blade probe 6 breaks down, the base plate 2 is slipped out along the clamping groove on the surface of the base 1 towards one side of the notch 8 and drives the blade probe 6 to be smoothly shifted out along the needle groove 7, otherwise, the blade probe 6 after replacement and maintenance can be reset, the base plate 2 and the blade probe 6 can be conveniently installed and disassembled, the maintenance can be conveniently replaced in time after the blade probe 6 is damaged and can not be operated, the convenience of maintenance and repair operation of the blade probe 6 is improved, the complex maintenance and detachment of the blade probe 6 is avoided, and the use of the detection operation of a display module is influenced, and the device is described with reference to fig. 2 and 3.

The test board 4 is close to the both sides surface department of stopper 9 and is connected with bolt 14 by screw respectively, and the screw threaded connection that the tail end of bolt 14 and slider 13 surface were equipped with in advance is through unscrewing release bolt 14, and then moves out stopper 9 along notch 8 slip through slider 13 and spout 12 cooperation, makes stopper 9 release the butt spacing to needle groove 7 one end, and reference fig. 2, 3.

Lifting holes 10 are respectively formed in the surfaces of the two sides of the port 5, and an auxiliary positioning mechanism 11 is elastically arranged in the lifting holes 10. The auxiliary positioning mechanism 11 comprises a main rod 111, an auxiliary rod 112, a spring 113 and a positioning plate 114, wherein the main rod 111 is arranged in the lifting hole 10 in a penetrating mode, a through hole is formed in the main rod 111, the auxiliary rod 112 is arranged in the main rod 111 in a penetrating mode and is connected with the main rod 111 in a sliding mode, the spring 113 is sleeved on the auxiliary rod 112, one end of the spring 113 is fixedly connected with the end portion of the main rod 111, the positioning plate 114 is arranged at one end of the auxiliary rod 112, the other end of the spring 113 is fixedly connected with the bottom of the positioning plate 114, the positioning plate 114 is arranged to be in a shape which is matched with the edge portions of the two side surfaces of the port 5, and one side surface of the positioning plate 114 is arranged to be in a protruding mode along the wall so as to be connected with the wiring terminal of the display module in a butt mode. Through placing the wiring end of display module assembly on locating plate 114, and then be convenient for the auxiliary positioning display module assembly's wiring end position through locating plate 114, and then press its wiring end, make locating plate 114 atress push down, and then press vice pole 112 shrink into mobile jib 111 to drive spring 113 atress compression. The two side surfaces of the port 5 are respectively provided with an abutting groove 17, the positioning plate 114 is movably embedded in the abutting grooves 17, and then the positioning plate 114 is embedded in the abutting grooves 17 on the surface of the port 5, so that the wiring terminal of the display module is abutted in the port 5 and is electrically connected with one ends of the plurality of blade probes 6 in a contact manner, and referring to fig. 3 and 4.

The surface of stopper 9 is provided with spacing 15, and the one end surface threaded connection of spacing 15 has hand to twist screw 16, and the screw threaded connection that the one end of hand to twist screw 16 and stopper 9 surface preset, spacing 15 revolve around hand to twist screw 16 to level mutually with port 5 top. Through rotatory spacing 15, make spacing 15 one end butt in the top of the wiring end of display module assembly, and then screw 16 is twisted to the tightening hand, makes spacing 15 fixed in position, the operation position of the wiring end of the fixed display module assembly of being convenient for, and then so that the cooperation accomplishes the detection operation of blade probe 6 to the display module assembly, refer to fig. 3, fig. 4.

After the detection is finished, the hand is unscrewed to screw the screw 16, and the unlocking limiting bar 15 is rotated, so that the wiring end of the display module is unloaded, the spring 113 is driven to rebound by the unloading force, the auxiliary rod 112 is driven to reset, the positioning plate 114 is driven to reset, and the wiring end of the display module is disconnected with the blade probe 6. To sum up, the cooperation is convenient for accomplish the detection operation to the display module, and conveniently fixes a position the hookup location of display module wiring end and blade probe 6, avoids the wiring end of display module to take place the misalignment when access port 5, and leads to scratch the wiring end of display module or hit the possibility of damaging blade probe 6, improves the stability to the detection operation of display module, referring to fig. 3, fig. 4.

It will be apparent to those skilled in the art that the described embodiments are merely some, but not all, of the embodiments of the utility model and that various modifications or additions may be made to the specific embodiments described or substituted in a similar way without deviating from the spirit of the utility model or beyond the scope of the utility model as defined in the appended claims. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a novel blade needle for display module assembly, includes base (1), the draw-in groove has been seted up on base (1) surface, and the draw-in groove sliding connection that base (1) surface was seted up has base plate (2), be provided with mounting panel (3) on base plate (2), be provided with test board (4) on mounting panel (3), port (5) that are used for connecting the wiring end of display module assembly to detect the operation have been seted up on the surface of test board (4), the surface equidistance of base plate (2) is provided with many blade probes (6), the surface equidistance of port (5) has seted up many needle grooves (7) in penetrating test board (4) and mounting panel (3), a plurality of blade probes (6)'s one end wears to locate in many needle grooves (7) respectively, and the one end protrusion of blade probes (6) is in port (5) to be higher than the top in needle groove (7), notch (8) of link needle groove (7) one end are seted up to a side wall department of test board (4) and mounting panel (3), notch (8) are connected with stopper (9).

Lifting holes (10) are respectively formed in the surfaces of two sides of the port (5), and auxiliary positioning mechanisms (11) are elastically arranged in the lifting holes (10).

2. The novel blade needle for the display module according to claim 1, wherein sliding grooves (12) are respectively formed in the inner side walls of the two sides of the notch (8), sliding blocks (13) are respectively arranged at the side walls of the two sides of the limiting block (9), the sliding blocks (13) are slidably connected in the sliding grooves (12), and one end of the limiting block (9) is abutted against one end of the needle groove (7).

3. The novel blade needle for the display module according to claim 1, wherein bolts (14) are respectively connected with the two side surfaces of the test board (4) close to the limiting block (9) in a threaded mode, and the tail ends of the bolts (14) are in threaded connection with screw holes preset on the surface of the sliding block (13).

4. The novel blade needle for the display module according to claim 1, wherein a limiting strip (15) is arranged on the surface of the limiting block (9), a hand screw (16) is connected to one end surface of the limiting strip (15) in a threaded manner, one end of the hand screw (16) is in threaded connection with a screw hole which is preset on the surface of the limiting block (9), and the limiting strip (15) rotates around the hand screw (16) and is level with the top of the port (5).

5. The novel blade needle for the display module assembly according to claim 1, wherein the auxiliary positioning mechanism (11) comprises a main rod (111), an auxiliary rod (112), a spring (113) and a positioning plate (114), the main rod (111) is arranged in the lifting hole (10) in a penetrating mode, the auxiliary rod (112) is arranged in the main rod (111) in a penetrating mode and is in sliding connection with the main rod (111), the spring (113) is sleeved on the auxiliary rod (112), one end of the spring (113) is fixedly connected with the end portion of the main rod (111), the positioning plate (114) is arranged at one end of the auxiliary rod (112), and the other end of the spring (113) is fixedly connected with the bottom of the positioning plate (114).

6. The novel blade needle for the display module according to claim 5, wherein the two side surfaces of the port (5) are respectively provided with an abutting groove (17), and the positioning plate (114) is movably embedded in the abutting groove (17).