1. The utility model provides a protection device for circuit board is accomodate which characterized in that: the storage box comprises a storage component (1), wherein the storage component (1) comprises a storage box body (101), slide rods (103) are fixedly connected to two sides of an inner cavity of the storage box body (101), and the top of the storage box body (101) is rotatably connected with a storage box top cover (105) through two hinges; a plurality of groups of protection components (2) are arranged inside the containing component (1), and a circuit board body (3) is clamped between each group of protection components (2); each group of protection components (2) comprises a first sliding block (201) and a second sliding block (202), the first sliding block (201) and the second sliding block (202) are both nested on the sliding rod (103) in a sliding mode, the side of the first sliding block (201) is connected with one end of a first telescopic rod (203), and the side of the second sliding block (202) is connected with one end of a second telescopic rod (204); the first telescopic rod (203) and the second telescopic rod (204) extend or shorten to drive the clamping plates (205) at two sides of the same group of protection components (2) to approach or move away from each other so as to meet the clamping requirements of circuit boards (3) with different lengths;

the other ends of the first telescopic rod (203) and the second telescopic rod (204) are respectively connected with a clamping plate (205), and strip-shaped baffle plates (206) are fixedly arranged on one sides corresponding to the two clamping plates (205); the two clamping plates (205) are fixedly connected through a first spring (207); a third telescopic rod (208) is sleeved in the first spring (207), one end of the third telescopic rod (208) is fixed on one clamping plate (205), and a first electromagnet (209) is arranged on the clamping plate (205) corresponding to the other end of the third telescopic rod (208); the third telescopic rod (208) is extended or shortened to push the two clamping plates (205) of the same group of protection components (2) to approach or depart from each other so as to meet the clamping requirements of circuit board bodies (3) with different thicknesses;

one side, far away from the second sliding block (202), of the first sliding block (201) is fixedly connected with a second electromagnet (210), one side, far away from the first sliding block (201), of the second sliding block (202) is fixedly connected with a first permanent magnet (211), adjacent protection components (2) are fixedly connected through a second spring (5), one end of the second spring (5) is fixedly connected with the first permanent magnet (211) of each protection component (2), and the other end of the second spring (5) is fixedly connected with the second electromagnet (210) of each adjacent protection component (2); the magnetism of the second electromagnet (210) is changed, so that the second electromagnet (210) attracts or repels the first permanent magnet (211), and the distance between two adjacent groups of protection assemblies (2) is reduced or increased, so that the protection requirements of electrical components (4) with different heights on the circuit board (3) are met;

distance sensors (212) are arranged on the second sliding blocks (202) on each group of the protection assemblies (2), when the distance monitored by the distance sensor (212) on one protection assembly (2) in real time is larger than or smaller than a fixed value, the second electromagnet (210) on the adjacent protection assembly (2) attracts or repels the first permanent magnet (211), so that the distance between the two adjacent protection assemblies (2) is reduced or increased, and the distance between the two adjacent protection assemblies (2) is recovered to the state before change;

be close to on storage box body (101) hinge one side second sliding block (202) on protective component (2) are through third spring (6) and storage box body (101) on third electro-magnet (7) fixed connection, keep away from on storage box body (101) hinge one side first sliding block (201) on protective component (2) are through fourth spring (8) and storage box body (101) on with second permanent magnet (9) fixed connection, one side that storage box body (101) fixed mounting has second permanent magnet (9) is equipped with distance sensor (212).

2. A protection device for circuit board storage according to claim 1, wherein: two clamping blocks (106) are fixed on the storage box top cover (105), grooves (104) matched with the clamping blocks (106) are formed in the top end of the storage box body (101), and pushing blocks (102) corresponding to the grooves (104) are arranged on the side face of the storage box body (101).

3. A protection device for circuit board storage according to claim 1, wherein: the storage box is characterized in that a lifting handle (107) is fixedly mounted on the upper surface of the storage box top cover (105), two baffle rings (108) are fixedly sleeved on the peripheral side surface of the lifting handle (107), the baffle rings (108) are made of steel alloy, an annular gasket (109) is fixedly sleeved on the peripheral side surface of the lifting handle (107) and located between the two baffle rings (108), and the annular gasket (109) is made of rubber.

4. A protection device for circuit board storage according to claim 1, wherein: the lower surface fixed mounting of containing box body (101) has four fixed suction cups (110), four fixed suction cups (110) are the rectangle and distribute.

5. A protection device for circuit board storage according to claim 1, wherein: two the equal fixed mounting in splint (205) opposite side has a protection gasket (213), protection gasket (213) are the component of antistatic material.

6. A protection device for circuit board accommodation according to claims 1-5, characterized in that: the storage box body (101) top is equipped with the elastic sealing strip, storage box body (101) side is equipped with bee net shape ventilating board, be equipped with the active carbon in the bee net shape ventilating board.

7. A protection device for circuit board reception according to claims 1 to 4, characterized in that: the other ends of the first telescopic rod (203) and the second telescopic rod (204) are respectively movably connected with the clamping plate (205), so that the clamping plate (205) connected with the first telescopic rod (203) and the second telescopic rod (204) is convenient to replace to adapt to clamping of circuit boards of different types.

8. A protection device for circuit board storage according to claim 1, wherein: the bottom of the inner cavity of the containing box body (101) is fixedly connected with one end of the lifting device (10), and the other end of the lifting device (10) is fixedly connected with the clamp (11).

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc., the circuit board miniaturizes and visualizes the circuit, plays an important role in the mass production of fixed circuit and optimizing the layout of electric appliances, the circuit board can be called as printed circuit board or printed circuit board, the english name is FPC circuit board (FPC circuit board is also called as flexible circuit board which is made of polyimide or polyester film as base material, has high reliability, excellent flexibility printed circuit board, has the characteristics of high wiring density, light weight, thin thickness and good bending property), and the birth and development of soft and hard combination board-FPC and PCB, thus a new product of soft and hard combination board is generated, the rigid-flex board is a circuit board with FPC (flexible printed circuit) and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through procedures such as pressing and the like.

The circuit board storage protection device in the prior art can only store the same circuit board, but cannot simultaneously store circuit board bodies with different lengths and thicknesses and electrical components with different heights.

Disclosure of Invention

The present invention is directed to solve the above problems, and provides a protection device for accommodating a circuit board, so as to solve the technical problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a protection device for accommodating a circuit board comprises an accommodating assembly, wherein the accommodating assembly comprises an accommodating box body, slide rods are fixedly connected to two sides of an inner cavity of the accommodating box body, and the top of the accommodating box body is rotatably connected with an accommodating box top cover through two hinges; a plurality of groups of protection components are arranged inside the containing component, and a circuit board body is clamped between each group of protection components; each group of protection components comprises a first sliding block and a second sliding block, the first sliding block and the second sliding block are both slidably nested on the sliding rod, the side of the first sliding block is connected with one end of the first telescopic rod, and the side of the second sliding block is connected with one end of the second telescopic rod; the first telescopic rod and the second telescopic rod are extended or shortened to drive the clamping plates on two sides of the same group of protection components to be close to or far away from each other so as to meet the clamping requirements of circuit boards with different lengths; the other ends of the first telescopic rod and the second telescopic rod are respectively connected with the clamping plates, and strip-shaped baffle plates are fixedly arranged on the corresponding sides of the two clamping plates; the two clamping plates are fixedly connected through a first spring; a third telescopic rod is sleeved in the first spring, one end of the third telescopic rod is fixed on one clamping plate, and a first electromagnet is arranged on the clamping plate corresponding to the other end of the third telescopic rod; the third telescopic rod is extended or shortened to push the two clamping plates of the same group of protection components to be close to or far away from each other so as to meet the clamping requirements of circuit board bodies with different thicknesses; a second electromagnet is fixedly connected to one side, away from the second sliding block, of the first sliding block, a first permanent magnet is fixedly connected to one side, away from the first sliding block, of the second sliding block, adjacent protection assemblies are fixedly connected through a second spring, one end of the second spring is fixedly connected with the first permanent magnet of each protection assembly, and the other end of the second spring is fixedly connected with the second electromagnet of each adjacent protection assembly; the magnetism of the second electromagnet is changed to enable the second electromagnet to attract or repel the first permanent magnet, so that the distance between two adjacent groups of protection assemblies is reduced or increased, and the protection requirements of electrical components with different heights on the circuit board are met; when the distance monitored by the distance sensor on one of the protection components in real time is greater than or less than a fixed value, the second electromagnet on the adjacent protection component attracts or repels the first permanent magnet, so that the distance between the two adjacent protection components is reduced or increased, and the distance between the two adjacent protection components is restored to the state before change; the second sliding block on the protection component is close to one side of the hinge on the storage box body and is fixedly connected with a third electromagnet on the storage box body through a third spring, the first sliding block on the protection component is fixedly connected with a second permanent magnet on the storage box body through a fourth spring, and a distance sensor is arranged on one side of the storage box body, on which the second permanent magnet is fixedly arranged.

According to a preferable technical scheme of the invention, two clamping blocks are fixed on the top cover of the storage box, grooves matched with the clamping blocks are formed in the top end of the storage box body, and pushing blocks corresponding to the grooves are arranged on the side faces of the storage box body.

As a preferred technical scheme of the present invention, a lifting handle is fixedly mounted on an upper surface of the storage box top cover, two retaining rings are fixedly sleeved on a peripheral side surface of the lifting handle, the retaining rings are members made of steel alloy, an annular gasket is fixedly sleeved on the peripheral side surface of the lifting handle and positioned between the two retaining rings, and the annular gasket is a member made of rubber.

As a preferred technical scheme of the present invention, four fixed suction cups are fixedly mounted on a lower surface of the storage box body, and the four fixed suction cups are distributed in a rectangular shape.

As a preferable technical scheme of the invention, one side of each of the two clamping plates opposite to each other is fixedly provided with a protective gasket, and the protective gaskets are members made of antistatic materials.

According to a preferable technical scheme, the top end of the storage box body is provided with an elastic sealing strip, the side face of the storage box body is provided with a bee net-shaped ventilating plate, and activated carbon is arranged in the bee net-shaped ventilating plate.

As a preferable technical scheme of the invention, the other ends of the first telescopic rod and the second telescopic rod are respectively movably connected with the clamping plate, so that the clamping plate connected with the first telescopic rod and the second telescopic rod is convenient to replace, and the clamping device is suitable for clamping circuit boards of different types.

As a preferable technical scheme of the invention, the bottom of the inner cavity of the storage box body is fixedly connected with one end of a lifting device, and the other end of the lifting device is fixedly connected with a clamp.

Compared with the prior art, the invention has the following beneficial effects:

1. under the mutual matching of the second electromagnet, the first permanent magnet, the first sliding block, the sliding rod, the second spring, the distance sensor and the like, on one hand, the second electromagnet attracts or repels the first permanent magnet by changing the magnetism of the second electromagnet according to the height of an electrical element on the circuit board, so that the distance between two adjacent groups of protection components is reduced or increased to adapt to the protection requirements of the electrical elements with different heights on the circuit board; on the other hand, when the numerical value that distance sensor real-time detection on one of them protective assembly compares increase or reduction with the fixed value, produce between the first permanent magnet of second sliding block on this group protective assembly and the second electro-magnet on the adjacent protective assembly that first permanent magnet on this group protective assembly corresponds and produce magnetic attraction or repulsion, make the distance between two sets of adjacent protective assemblies reduce or increase, thereby prevent to make the circuit board of centre gripping collide with the electrical components on the circuit board that the first protective assembly that is close to hinge one side held, and then protect electrical components on circuit board and the circuit board in real time.

2. Under the mutual matching of the first telescopic rod, the second telescopic rod, the third telescopic rod, the second electromagnet, the first permanent magnet, the first sliding block, the sliding rod, the second spring and the like, the first telescopic rod and the second telescopic rod extend or shorten to drive clamping plates on two sides of the same group of protection components to be close to or far away from each other so as to meet the clamping requirements of circuit boards with different lengths; the third telescopic rod is extended or shortened to push the two clamping plates of the same group of protection components to be close to or far away from each other so as to meet the clamping requirements of circuit board bodies with different thicknesses; the magnetism of the second electromagnet is changed according to the height of the electrical elements on the circuit board, so that the second electromagnet attracts or repels the first permanent magnet, and the distance between two adjacent groups of protection assemblies is reduced or increased, so that the protection requirements of the electrical elements with different heights on the circuit board are met; and then realize the centre gripping to the circuit board body of different length, different thickness and the electrical components's of different heights the adaptability of this device has been improved.

3. Through setting up bee net shape ventilating board, moisture and dust in the active carbon adsorption air in the bee net shape ventilating board to carry out the internal air of getting into the receiver and remove the moisture, prevent that humid air from influencing the circuit board.