CN206932484U - A circuit board with easily replaceable components - Google Patents

Abstract

The utility model relates to the electronic field, in particular to a circuit board with easily replaced components, which comprises a mainboard, a plurality of detachable small plates and a carrier plate, wherein if the small plates are installed on the mainboard, the mainboard is provided with connecting holes for installing the small plates, a plurality of contacts are arranged around the connecting holes, the carrier plate is arranged at the top of the mainboard in parallel, the areas of the carrier plate and the mainboard are the same, the four corners of the carrier plate and the mainboard are provided with mounting holes for passing through the mounting pieces, the carrier plate comprises a bottom plate, a soft plate and a top plate, the bottom plate, the soft plate and the top plate are all provided with a plurality of component inserting holes, the top plate, the soft plate and the bottom plate are mutually attached and are sequentially arranged from top to bottom, the circuit board comprises a plurality of small plates, the small plates are provided with easily damaged components, the small plates can be integrally replaced under the condition that the circuit board is damaged, and the components on the, unnecessary waste is reduced.

Description

A circuit board with easily replaceable components

technical field

The utility model relates to the field of electronics, in particular to a circuit board with easily replaceable components.

Background technique

The current domestic circuit board technology is becoming more mature and more diversified, but the structure of the circuit board is single, and each component is welded on the circuit board. When the component is damaged, a specific tool is required to repair it. Replacement, under this limited condition, will cause a lot of unnecessary waste, such as some components that are easily damaged, such as capacitors, which may damage the circuit board at the same time. If there is damage to the circuit board, the entire circuit board will be scrapped.

Utility model content

The purpose of this utility model is to provide a circuit board with easy-to-replace components for the deficiencies of the prior art. Next, the small board can be replaced as a whole, or the component carrier board can be more easily replaced by the components alone.

In order to solve the above problems, the utility model provides the following technical solutions:

A circuit board with easily replaceable components, including a main board, several detachable small boards and a carrier board, the small boards are installed on the main board, and the main board is provided with connecting holes for the small boards to be installed. Several contacts are arranged around the connection hole, and the carrier board is arranged on the top of the main board in parallel. The area of the carrier board and the main board is the same, and the four corners of the carrier board and the main board are provided with mounting holes for the mounting parts to pass through. , the carrier board includes a bottom board, a soft board and a top board, the bottom board, the soft board and the top board are all provided with a number of component insertion holes, and the top board, the soft board and the bottom board are attached to each other and arranged in sequence from top to bottom .

Further, several contacts are arranged around the inside of the connection hole of the main board, and the small board is electrically connected to the main board through the contacts.

Further, several of the small boards are provided with electrical connectors, and the main board is electrically connected to the small boards through the electrical connectors.

Further, the small plate is a trapezoidal plate, including an installation layer and a base layer, the installation layer is integrally formed on the top of the base layer, and the area of the installation layer is smaller than that of the base layer.

Further, several pressing pieces are arranged on the bottom of the main board, and the pressing pieces are arranged around the connection hole.

Further, the connection hole is a trapezoidal hole that engages with the small plate.

Further, the flexible board is a rubber board, and the insertion hole of the rubber board is smaller than the insertion holes of the top board and the bottom board.

Further, several device fixtures are arranged on the top of the top plate, and several fixtures are respectively installed on the side of each socket hole.

Further, the mounting part includes a screw and a fixing cylinder, the screw passes through the mounting hole and fits with the thread of the fixing cylinder, and the top of the fixing cylinder is provided with a threaded hole to cooperate with the screw.

Further, the output ends of the components are plugged and matched with the main board through metal holes.

Beneficial effects: the utility model provides a circuit board with easy-to-replace components. The circuit board includes several small boards, and easily damaged components are installed on the small boards. When the circuit board is damaged, the small board can be replaced as a whole. , The components on the carrier board can be replaced individually without specific tools, improving resource utilization and reducing unnecessary waste.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram one of the present utility model;

Fig. 2 is the utility model three-dimensional structure schematic diagram two;

Fig. 3 is a structural exploded schematic view one of the utility model;

Fig. 4 is the structure exploded schematic diagram two of the utility model;

Fig. 5 is an enlarged view of place A of Fig. 4;

Description of drawings: main board 1, contact 1a, mounting hole 1b, pressing piece 1c, small board 2, mounting layer 2a, base layer 2b, carrier board 3, top board 3a, soft board 3b, bottom board 3c, clamp 4, installation Part 5, fixed cylinder 5a, metal hole 6.

detailed description

Below in conjunction with accompanying drawing and embodiment of description, the specific embodiment of the utility model is described in further detail:

According to a circuit board with easily replaceable components shown in Figures 1 to 5, it includes a main board 1, several detachable small boards 2 and a carrier board 3, and the small boards 2 are installed on the main board 1, so that The main board 1 is provided with a connection hole for the small board 2 to be installed, and several contacts 1a are arranged around the connection hole, and the loading board 3 is arranged on the top of the main board 1 in parallel, and the loading board 3 and the main board 1 have the same area The four corners of the carrier board 3 and the main board 1 are provided with mounting holes 1b for the mounting parts 5 to pass through, and the carrier board 3 includes a bottom board 3c, a soft board 3b and a top board 3a, a bottom board 3c, and a soft board 3b and the top board 3a are provided with a number of component insertion holes, the top board 3a, soft board 3b and bottom board 3c are attached to each other and arranged in sequence from top to bottom, the small board 2 and components can be replaced, providing a Convenience.

Several contacts 1a are arranged around the inner side of the connecting hole of the main board 1, and the small board 2 is electrically connected with the main board 1 through the contacts 1a. connection, so that the entire circuit is connected.

Several of the small boards 2 are provided with electrical connectors, and the main board 1 is electrically connected to the small boards 2 through the electrical connectors, so that the circuits of the small boards 2 communicate with the circuits of the main board 1 .

The small plate 2 is a trapezoidal plate, including an installation layer 2a and a base layer 2b, the installation layer 2a is integrally formed on the top of the base layer 2b, and the area of the installation layer 2a is smaller than the area of the base layer 2b, so that the small plate 2 can be fixed on on motherboard 1.

The bottom of the main board 1 is provided with several pressing pieces 1c, and the pressing pieces 1c are arranged around the connection hole to ensure that the small board 2 will not fall off when it is installed.

The connecting hole is a trapezoidal hole that engages with the small board 2 to ensure that the small board 2 is completely engaged with the main board 1 without gaps, and avoids false connection between the small board 2 and the main board 1 .

The flexible plate 3b is a rubber plate, and the insertion hole of the rubber plate is smaller than the insertion holes of the top plate 3a and the bottom plate 3c, and the friction between the rubber and the components is used to ensure that the components will not loosen.

Several device fixtures 4 are arranged on the top of the top plate 3a, and several of the fixtures 4 are respectively installed on the side of each insertion hole, and the components are fixed by the fixtures 4.

The mounting part 5 includes a screw and a fixing cylinder 5a. The screw passes through the mounting hole 1b and fits with the thread of the fixing cylinder 5a. The board 3 is attached to the main board 1 .

The output ends of the components are plugged and matched with the main board 1 through the metal holes 6, so that the components are in complete contact with the circuit board.

The above is only a preferred embodiment of the present utility model, and does not make any limitation to the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the present utility model.

Claims (10)

1. a kind of have the circuit board for easily changing component, it is characterised in that：Including mainboard (1), several dismountable platelets (2) it is arranged on holder plate (3), the platelet (2) on mainboard (1), the mainboard (1) is provided with the company for platelet (2) installation Hole is connect, several contacts (1a) are provided with around the connecting hole, holder plate (3) is set in parallel in the top of mainboard (1), carries Part plate (3) is identical with the area of mainboard (1), and four corners of holder plate (3) and mainboard (1) are provided with wears for installed part (5) The mounting hole (1b) crossed, the holder plate (3) include bottom plate (3c), soft board (3b) and top plate (3a), bottom plate (3c), soft board (3b) and top plate (3a) are equipped with several component spliced eyes, and the top plate (3a), soft board (3b) and bottom plate (3c) mutually paste Close and be arranged in order from top to bottom.

2. a kind of according to claim 1 have the circuit board for easily changing component, it is characterised in that：The mainboard (1) The inner side surrounding of connecting hole is provided with several contacts (1a), and the platelet (2) is electrically connected with mainboard (1) by contact (1a) Connect.

3. a kind of according to claim 1 have the circuit board for easily changing component, it is characterised in that：Some platelets (2) electric connector is provided with, the mainboard (1) is electrically connected with by electric connector and platelet (2).

4. a kind of according to Claims 2 or 3 have the circuit board for easily changing component, it is characterised in that：The platelet (2) For ladder type board, including mounting layer (2a) and basic unit (2b), the mounting layer (2a) is integrally formed at basic unit (2b) top, described Mounting layer (2a) area is less than the area of basic unit (2b).

5. a kind of according to claim 1 have the circuit board for easily changing component, it is characterised in that：Mainboard (1) bottom Portion is provided with several tablettings (1c), and the tabletting (1c) is arranged on the surrounding of connecting hole.

6. a kind of according to claim 5 have the circuit board for easily changing component, it is characterised in that：The connecting hole be with The trapezoidal hole that platelet (2) is mutually clamped.

7. a kind of according to claim 1 have the circuit board for easily changing component, it is characterised in that：The soft board (3b) is Rubber slab, the spliced eye of rubber slab are less than the spliced eye of top plate (3a) and bottom plate (3c).

8. a kind of according to claim 7 have the circuit board for easily changing component, it is characterised in that：Top plate (3a) top Portion is provided with several device clamps (4), and several fixtures (4) are separately mounted to the side of each spliced eye.

9. a kind of according to claim 8 have the circuit board for easily changing component, it is characterised in that：The installed part (5) Including screw and fixed cylinder (5a), the screw coordinates through mounting hole (1b) and the screw thread of fixed cylinder (5a), fixed cylinder (5a) Top be provided with screw be connected screwed hole.

10. a kind of according to claim 9 have the circuit board for easily changing component, it is characterised in that：The component Output end is coordinated by metal aperture (6) and mainboard (1) grafting.