CN216228975U - Magnetic connection fixture - Google Patents

Abstract

The utility model relates to the technical field of clamp equipment, and particularly discloses a magnetic type connecting clamp, which comprises: the upper pressure plate is used for loading a test circuit board; one side of the lower base plate is hinged with the upper pressure plate, and the other side of the lower base plate is magnetically attracted with the upper pressure plate; the lower backing plate is provided with a mounting groove at a position corresponding to a test bonding pad of the test circuit board; and the floating jacking assembly is arranged at the mounting groove and used for jacking the carbon film end of the connecting flat cable on the test pad. The utility model provides a magnetic suction type connecting clamp, which can realize communication connection between a test flat cable and a test circuit board without plugging operation, thereby avoiding damaging a carbon film on the connection flat cable.

Description

Magnetic connection fixture

technical field

The utility model relates to the technical field of fixture equipment, in particular to a magnetic suction type connecting fixture.

Background technique

Generally, a keyboard assembly includes a keyboard body and a connecting cable, one end of the connecting cable is electrically connected to the keyboard body, and the other end is covered with a carbon film. Before assembling the notebook, it is necessary to conduct an electrical test on the keyboard assembly. The specific test steps are as follows:

①Solder a test cable on the test circuit board, and the end of the test cable is provided with a connector;

②Insert the carbon film end of the connecting cable into the jack of the connector to realize the communication connection between the keyboard body and the test circuit board;

③ Start the test program and carry out the electrical test.

In the above test process, when the connecting cable is inserted into and pulled out of the connector, the carbon film on the connecting cable will slide and rub against the connector, which is easy to be scratched. Therefore, it is necessary to develop a device that can realize the communication connection between the test cable and the test circuit board without plugging and unplugging operations, thereby avoiding damage to the carbon film on the connecting cable.

The above information disclosed in this Background section is only included for enhancement of understanding of the background of the disclosure and therefore may contain information that does not form the prior art that is currently known to a person of ordinary skill in the art.

Utility model content

One object of the present invention is to provide a magnetic connection fixture, which can realize the communication connection between the test cable and the test circuit board without plugging and unplug, thereby avoiding damage to the carbon film on the connection cable.

In order to achieve the above purpose, the present utility model provides a magnetic suction connection fixture, comprising:

Upper platen for loading test circuit boards;

A lower backing board, one side of the lower backing board is hinged with the upper pressing board, and the other side is magnetically attracted with the upper pressing board; the lower backing board corresponds to the position of the test pad of the test circuit board With installation slot;

A floating jacking assembly, which is installed at the mounting groove, is used for tightening the carbon film end of the connecting cable on the test pad.

Optionally, the bottom of the upper pressure plate is provided with a positioning groove for placing the test circuit board.

Optionally, the lower backing plate and the upper pressing plate are hinged through two coaxial rotating shafts.

Optionally, the floating jacking assembly includes:

a floating top block, the floating top block is located in the installation groove and is slidably connected with the installation groove up and down;

a sealing plate, the sealing plate is located below the lower backing plate and is used to cover the lower end opening of the installation groove;

An elastic part, the elastic part is located between the floating top block and the sealing plate, and is used for driving the upper end of the floating top block to slide upward.

Optionally, the floating top block and the installation groove are both inverted T-shaped structures.

Optionally, the elastic component is a compression spring.

Optionally, the sealing plate is detachably connected to the lower backing plate through fasteners.

Optionally, a plurality of upper magnets are fixedly arranged on the upper platen, and lower magnets are fixedly arranged on the lower backing plate at positions corresponding to the upper magnets; wherein, the polarities of the upper magnet and the corresponding lower magnet are opposite .

Optionally, the lower backing plate is provided with two limit bosses corresponding to the position of the floating jacking assembly; a limit position for placing the carbon film end of the connecting cable is formed between the two limit bosses. groove.

Optionally, there are spanner bosses extending outward from both ends of the upper pressure plate.

The beneficial effect of the utility model is: to provide a magnetic suction type connecting fixture, by rotating the upper pressing plate to compress or release the connecting cable, the connecting cable does not need to be plugged and unplugged, and the carbon film of the connecting cable is avoided. Scratch, so it can protect the carbon film from damage.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is an exploded schematic diagram of the magnetic connection clamp provided by the embodiment.

In the picture:

1. Upper platen; 101. Wrench boss;

2. Bottom plate; 201, installation slot; 202, limit boss; 203, limit slot;

3. Floating jacking assembly; 301, floating top block; 302, sealing plate; 303, elastic part;

4. Test the circuit board;

5. Rotary shaft;

6. Upper magnet;

7. Lower magnet.

Detailed ways

In order to make the purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, The embodiments described below are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that when a component is considered to be "connected" to another component, it may be directly connected to the other component or may also have a centrally positioned component. When a component is considered to be "set on" another component, it can be set directly on the other component or there may be a centered set of components at the same time.

In addition, the terms "long", "short", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention, rather than indicating or implying that The device or element must have this specific orientation and operate in a specific orientation configuration, which is not to be understood as a limitation of the present invention.

The present invention will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional transformations made by those of ordinary skill in the art according to these embodiments are all included within the protection scope of the present invention.

The utility model provides a magnetic suction type connection fixture, which is used for electrical testing of keyboard components, and can realize the communication connection between the test cable and the test circuit board without plugging and unplugging operations. The carbon film is rubbed to effectively avoid scratches or damage to the carbon film.

Referring to FIG. 1 , the magnetic connection fixture includes an upper pressing plate 1 , a lower backing plate 2 and a floating jacking assembly 3 . Wherein, the bottom of the upper pressure plate 1 is provided with a positioning groove for placing the test circuit board 4 . One side of the upper platen 1 is hinged with the lower plate 2 through two coaxial shafts 5, and the other side is magnetically attracted to the lower plate 2; the lower plate 2 corresponds to the test circuit A mounting slot 201 is provided at the position of the test pad of the board 4; the floating jacking assembly 3 is mounted at the mounting slot 201 for pressing the carbon film end of the connecting cable against the test pad . It should be noted that, the test pad is located at the bottom of the test circuit board 4 at a position opposite to the mounting groove 201 , which is not shown in FIG. 1 .

It should be noted that the working process of the magnetic connection fixture provided in this embodiment is as follows:

① Overcome the magnetic force, turn the upper platen 1 forward to open the upper platen 1;

②Put the carbon film of the test cable on the floating jacking assembly 3;

③ Rotate the upper pressure plate 1 in the opposite direction to make the upper pressure plate 1 and the lower backing plate 2 magnetically attract (in the process of rotating the upper pressure plate 1, the test circuit board 4 rotates with the upper pressure plate 1); The pressure plate 1 presses the test pad and the carbon film, thereby realizing the communication connection between the test circuit board 4 and the connecting cable;

④Start the corresponding test program to complete the electrical test of the keyboard assembly.

In this embodiment, the floating jacking assembly 3 includes a floating top block 301 , a sealing plate 302 and an elastic member 303 . Wherein, the floating top block 301 and the installation groove 201 are both inverted T-shaped structures. The floating top block 301 is located in the installation groove 201 and is connected to the installation groove 201 by sliding up and down; The lower end is open; the elastic member 303 is located between the floating top block 301 and the sealing plate 302 , and is used to drive the upper end of the floating top block 301 to slide upward. Optionally, the sealing plate 302 is detachably connected to the upper pressing plate 1 through fasteners.

Optionally, the elastic component 303 is a component that can recover and deform, such as a compression spring, elastic silicone, or elastic latex.

It can be understood that the design of the elastic member 303 can not only ensure that the floating top block 301 can press the connecting cable, but also avoid damage to the connecting cable and the test circuit board 4 caused by excessive pressing force.

In this embodiment, a plurality of upper magnets 6 are fixed on the upper pressing plate 1 , and lower magnets 7 are fixed on the lower backing plate 2 at positions corresponding to the upper magnets 6 ; The polarity of the lower magnet 7 is opposite. In some other embodiments, magnets can also be arranged on the upper platen 1 and iron blocks can be arranged on the lower platen 2, or, iron blocks can be arranged on the upper platen 1 and magnets are arranged on the lower platen 2. This is not limited.

Optionally, the lower backing plate 2 is provided with two limiting bosses 202 at the positions corresponding to the floating jacking assembly 3 ; a carbon film for connecting cables is formed between the two limiting bosses 202 . In order to realize the relative positioning of the carbon film and the test pad.

In this embodiment, two ends of the upper pressing plate 1 are provided with spanner bosses 101 extending outward, so as to rotate the upper pressing plate 1 .

This embodiment provides a magnetic connection fixture. By rotating the upper pressure plate to press or release the connecting cable, the connecting cable does not need to be plugged and unplugged, which avoids scratching the carbon film of the connecting cable. Protect the carbon film from damage.

It should be understood that although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

A series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalents made without departing from the technical spirit of the present invention Embodiments or changes should all be included within the protection scope of the present invention.

Claims (10)

1. a magnetic suction type connecting fixture, is characterized in that, comprises: Upper platen for loading test circuit boards; A lower backing board, one side of the lower backing board is hinged with the upper pressing board, and the other side is magnetically attracted with the upper pressing board; the lower backing board corresponds to the position of the test pad of the test circuit board With installation slot; A floating jacking assembly, which is installed at the mounting groove, is used for tightening the carbon film end of the connecting cable on the test pad. 2 . The magnetic connection fixture according to claim 1 , wherein the bottom of the upper pressing plate is provided with a positioning groove for placing the test circuit board. 3 . 3 . The magnetic connection fixture according to claim 1 , wherein the lower backing plate and the upper pressing plate are hinged by two coaxial rotating shafts. 4 . 4. The magnetic connection fixture according to claim 1, wherein the floating jacking assembly comprises: a floating top block, the floating top block is located in the installation groove and is slidably connected with the installation groove up and down; a sealing plate, the sealing plate is located below the lower backing plate and is used to cover the lower end opening of the installation groove; An elastic part, the elastic part is located between the floating top block and the sealing plate, and is used for driving the upper end of the floating top block to slide upward. 5 . The magnetic connection fixture according to claim 4 , wherein the floating top block and the installation groove are both inverted T-shaped structures. 6 . 6 . The magnetic connection fixture according to claim 4 , wherein the elastic member is a compression spring. 7 . 7 . The magnetic connection fixture according to claim 4 , wherein the sealing plate is detachably connected to the lower backing plate through fasteners. 8 . 8 . The magnetic connection fixture according to claim 1 , wherein a plurality of upper magnets are fixedly arranged on the upper platen, and lower magnets are fixedly arranged on the lower backing plate corresponding to the positions of the upper magnets; 9 . Wherein, the polarities of the upper magnet and the corresponding lower magnet are opposite. 9 . The magnetic connection fixture according to claim 1 , wherein the lower backing plate is provided with two limit bosses corresponding to the position of the floating jacking assembly; A limit groove is formed between the carbon film ends of the connecting cables. 10 . The magnetic connection fixture according to claim 1 , wherein two ends of the upper pressure plate are extended with a wrench boss. 11 .

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