CN220193213U - Flushing equipment convenient to operation - Google Patents

Abstract

A flushing device for facilitating operation, the body comprising: a housing, a hand-held housing; the handheld shell is characterized in that the shell is provided with a water pipe communicated with the handheld shell; the water pipe is provided with a wire; the housing has a mounting cavity; the housing includes: the shell is provided with a pipe fitting opening A through which fluid passes, a pipeline opening A, and a power supply and a power device A are arranged in the installation cavity; the handheld shell is provided with a mounting cavity; the hand-held housing includes: the handheld shell is provided with a pipe fitting port B through which fluid passes, a pipeline port B and an electronic switch; one end of the water pipe is connected with the pipe fitting port B through the pipe line port B; the other end of the water pipe is connected with a power device A through a pipeline port A; the other end of the power device A is connected with the pipe fitting opening A; one end of the wire is electrically connected with the electronic switch through a pipeline B; the other end of the wire is electrically connected with one or two of a power supply and a power device A through a pipeline port A; has the advantage of simple operation.

Description

Flushing equipment convenient to operation

Technical Field

The utility model relates to the technical field of flushing cleaning equipment, in particular to the technical field of flushing equipment convenient to operate.

Background

The tooth-flushing device is an auxiliary tool for cleaning oral cavity, and is a tool for cleaning teeth and tooth gaps by means of pulse water flow impact, and mainly has a portable type and a desk type, and the flushing pressure of the tooth-flushing device is generally 0 to 90psi. As is known, automobiles and the like can be easily rinsed with a high-pressure water gun, water flow with proper pressure has long been proven to be effective in cleaning teeth and oral cavities of people, and the cleaning effect of the tooth irrigator is mainly realized by using the impact force of high-speed water columns sprayed under a certain pressure.

Patent application number CN201910081327.9, entitled desk type tooth cleaning device, discloses the following: the patent comprises a first water storage tank, a second water storage tank, a water mixing valve, a power device and a nozzle; the first water storage main tank is used for storing clean water and is provided with a first clean water outlet, and the second water storage tank is used for storing cleaning liquid and is provided with a cleaning liquid outlet; the water mixing valve is provided with a first water inlet, a second water inlet and a first water outlet, the first water inlet is communicated with the first clear water outlet, the second water inlet is communicated with the cleaning liquid outlet, and the first water outlet is communicated with the nozzle; the power device is used for pumping the water body of the water mixing valve out through the nozzle. The tooth-flushing device provided by the utility model adopts a double-water tank design, provides a mode of flushing teeth by clean water and mixing water mixed with cleaning liquid, has a simple structure, and effectively solves the problems that the traditional tooth-flushing device is inconvenient to operate by manually mixing the cleaning liquid and is easy to have mixing proportion deviation. However, the utility model has the serious problem that the water in the pipeline of the first water storage tank and the second water storage tank can not be switched in time, and a common water outlet pipe flows to the nozzle. The pipeline ponding is much, and the liquid outflow of the other water storage tank cannot be timely switched.

Patent application number is CN201720233341.2, and the patent name is a water inlet structure of the portable tooth washing device. The following are disclosed: the portable tooth washer comprises a tooth washer main machine, the tooth washer main machine comprises a shell and a power device component, the power device component is arranged in the shell, the power device component is provided with a pump body, a driving motor, a water outlet nozzle and a water inlet nozzle, the driving motor is in transmission connection with the pump body, the pump body is respectively communicated with the water outlet nozzle and the water inlet nozzle, the shell is respectively provided with a water inlet and a water outlet corresponding to the water outlet nozzle and the water inlet nozzle, the inner wall of the water inlet is provided with a sealing ring, the sealing ring is clamped between the water inlet nozzle and the inner wall of the shell, and the center of the sealing ring is provided with a sleeve extending towards the inside of the water inlet nozzle. The sealing ring is clamped at the water inlet nozzle, and is not exposed, and can not be loosened or lost, so that the sealing effect is more reliable when the sealing ring is connected with the pipe head. However, the utility model has the characteristics of complex structure, heavy weight, large volume and troublesome storage of the whole water pipe of the handheld tooth flusher.

How to solve the above technical problems is the effort of those skilled in the art.

Disclosure of Invention

The utility model aims at: in order to solve the technical problems, the utility model provides flushing equipment which is convenient to operate.

The utility model adopts the following technical scheme for realizing the purposes:

a flushing device for facilitating operation, the body comprising: a housing, a hand-held housing; the handheld shell is characterized in that the shell is provided with a water pipe communicated with the handheld shell; the water pipe is provided with a wire; the housing has a mounting cavity; the housing includes: the shell is provided with a pipe fitting opening A through which fluid passes, a pipeline opening A, and a power supply and a power device A are arranged in the installation cavity; the handheld shell is provided with a mounting cavity; the hand-held housing includes: the handheld shell is provided with a pipe fitting port B through which fluid passes, a pipeline port B and an electronic switch; one end of the water pipe is connected with the pipe fitting port B through the pipe line port B; the other end of the water pipe is connected with a power device A through a pipeline port A; the other end of the power device A is connected with the pipe fitting opening A; one end of the wire is electrically connected with the electronic switch through a pipeline B; the other end of the wire is electrically connected with one or two of a power supply and a power device A through a pipeline port A.

Further, the machine body is provided with a PCB main board; the PCB main board is arranged on the lead; the PCB main board is arranged in one or two of the housing mounting cavity and the handheld housing mounting cavity; the PCB main board is electrically connected with one or more of a power supply, a power device A and an electronic switch.

Further, the electronic switch is opened and closed by one or more of touch, pressing and pushing; the electronic switch is arranged below the outer shell of the handheld shell, or a key hole is reserved on the shell, the electronic switch is arranged below the key hole, and the electronic switch is opened and closed by pressing or pushing the key; the surface of the key Kong Kongshang is provided with a waterproof device.

Further, the machine body is provided with a water inlet device; the water inlet device is connected with the pipe fitting opening A; the water inlet device is one or two of a water tank and a water pipe adapter.

Further, the handheld shell is provided with a nozzle joint and a flushing component group which is inserted on the nozzle joint in the installation cavity; the washing part group is spliced at the nozzle joint through a pipe fitting port B; the flushing component group is one or more of a tooth flushing device spray head, a tooth flushing toothbrush, a tongue fur cleaner and a flusher for flushing the lower body of a human body; the water pipe is connected with the nozzle joint through the handheld shell mounting cavity.

Further, the machine body is provided with a fluid transfer port; the fluid transfer port is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the fluid transfer port is arranged on one or two of the power device A and the water pipe; the fluid transfer port provides more than two fluid channels; one end of the fluid transfer port is provided with a power device B; the power device B is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the power device B is electrically connected with one or more of a power supply, a power device A, a wire and a PCB main board; the other end of the fluid transfer port is connected with the pipe fitting port B2, the water pipe and the power device A.

Further, the machine body is provided with a pipe fitting opening C through which fluid passes, and the pipe fitting opening C is arranged in one or two of the shell and the handheld shell; the other end of the power device B is connected with the pipe fitting opening C.

Further, the machine body is provided with a one-way valve; the one-way valve is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the one-way valve is arranged in one or more of the water pipe, the power device A, the fluid transfer port and the power device B.

Further, the machine body is provided with a heating device; the heating device is arranged in one or more of the shell installation cavity, the handheld shell installation cavity and the water pipe; the heating device is electrically connected with one of the PCB main board and the power supply.

Further, the machine body is provided with a charging port; the charging port is arranged in one or two of the shell and the handheld shell; the charging port is electrically connected with one of the PCB main board and the power supply.

The beneficial effects of the utility model are as follows:

1. the utility model has reasonable design, when in use, the water inlet device is connected with the shell, liquid flows to the power device A through the pipe fitting opening A, and the electronic switch of the handheld shell controls the start and stop of the power device A, so the arrangement of the structure has the advantage of convenient operation.

2. The PCB main board is arranged on the handheld shell, so that the service life of the control main board is prolonged, and a user can start according to own requirements; the power device B enables the gas to flow to the one-way valve to be mixed with the liquid water of the power device A to form a mixture of high-pressure water and gas, so that a better cleaning effect is achieved.

3. The electronic switch is provided with the waterproof device, so that the damage to the electronic switch caused by water inlet of the handheld shell is avoided, and the service life of the equipment is prolonged.

4. The flushing component group is a tooth flushing device spray head, a tooth flushing toothbrush, a tongue coating cleaner or a flushing device for flushing the lower body; different flushing component groups are selected according to different requirements, so that the functions of the equipment are more abundant.

5. When in use, the heating device 12 is started according to the requirements of users to heat the liquid, so as to meet the requirements of different users on water temperature.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic diagram of the motherboard of FIG. 1 plus a PCB;

FIG. 3 is a schematic diagram of the PCB motherboard of FIG. 1 or FIG. 2;

FIG. 4 is a schematic illustration of the fluid transfer interface of FIGS. 1-3;

FIG. 5 is a schematic view of the hand-held housing of FIG. 4 with a tube port C;

FIG. 6 is a schematic view of the housing of FIGS. 1-5 with a fluid transfer port;

FIG. 7 is a schematic illustration of FIG. 6 with the addition of a one-way valve;

FIG. 8 is a schematic view of FIG. 5 with the addition of a one-way valve;

FIG. 9 is a schematic view of any one of FIGS. 2-7 with the addition of a heating device;

FIG. 10 is a schematic view of any one of FIGS. 2-9 with the addition of a heating device;

FIG. 11 is a schematic view of any one of FIGS. 2-10 with the addition of a charging port;

FIG. 12 is a schematic view of any one of FIGS. 2-11 with the addition of a charging port;

FIG. 13 is a schematic view of any one of FIGS. 2-12 with the addition of a charging port;

FIG. 14 is a schematic view of any one of FIGS. 1-13 plus a flushing kit;

FIG. 15 is a schematic view of any one of FIGS. 1-14 plus a water tank;

fig. 16 is a schematic view of any one of fig. 1 to 14 with the addition of a water line adapter 15;

FIG. 17 is a schematic diagram of the present utility model;

FIG. 18 is a schematic diagram of the present utility model;

FIG. 19 is a schematic diagram of the power supply of FIGS. 1-18;

reference numerals: the device comprises a shell 1, a pipe fitting port A1-1, a pipeline port A1-3, a handheld shell 2, a pipe fitting port B2-1, an electronic switch 2-2, a pipeline port B2-4, a nozzle joint 2-6, a flushing component group 2-7, a water pipe 3, a wire 4, a PCB main board 5, a power device A6, a power supply 7, a water tank 8, a fluid conversion port 9, a power device B10, a one-way valve 11, a heating device 12, a pipe fitting port C13, a charging port 14 and a water pipe conversion port 15.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," "a," "B," "C," "D," "E," "F," "G," and the like are used solely for distinguishing between descriptions and not as an indication or suggestion of relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In describing embodiments of the present utility model, it should be noted that one of the terms "coupled," "passing," and "through" is one of coupled, passing, through, and passing.

In describing embodiments of the present utility model, it should be noted that the term "PCB motherboard" is an electrical PCB component assembly or an electronic component.

In describing embodiments of the present utility model, it should be noted that the term "power plant" has a pumping or air-extracting function for energizing.

In the description of the embodiments of the present utility model, it should be noted that the term "heating device" is a heating wire or a heating strip or the like having a function of heating a body in an energized state, thereby heating air or heating liquid; the heating wire is wound into a ring shape or a strip shape, and the heating wire has a contact area.

Example 1

As shown in fig. 1, a flushing device for easy operation, the body 88 includes: a housing 1 and a hand-held housing 2; the portable handheld device is characterized in that the housing 1 is provided with a water pipe 3 communicated with the handheld housing 2; the water pipe 3 is provided with a wire 4; the housing 1 has a mounting cavity; the housing 1 includes: the shell 1 is provided with a pipe fitting opening A1-1 through which fluid passes, the shell 1-2 is provided with a pipeline opening A1-3, and a power supply 7 and a power device A6 are arranged in the installation cavity; the hand-held housing 2 has a mounting cavity; the hand-held housing 2 includes: the hand-held shell 2 is provided with a pipe fitting port B2-1 through which fluid passes, and the hand-held shell 2-3 is provided with a pipeline port B2-4 and an electronic switch 2-2; the water pipe 3 is connected with the pipe fitting port B2-1 through the pipe port B2-4; the other end of the water pipe 3 is connected with a power device A6 through a pipeline port A1-3; the other end of the power device A6 is connected with a pipe fitting port A1-1; one end of the lead 4 is electrically connected with the electronic switch 2-2 through a pipeline B2-4; the other end of the lead 4 is electrically connected with one or two of a power supply 7 and a power device A6 through a pipeline port A1-3.

When in use, the electronic switch 2-2 is controlled to control the work of the body 88, so as to clean the body, the oral cavity and the reproductive organs of animals, and the arrangement of the structure has the advantage of convenient operation.

Example 2

As shown in fig. 2, this embodiment is further optimized based on embodiment 1, specifically:

the body 88 is provided with a PCB main board 2-5; the PCB main board 2-5 is arranged on the lead 4; the PCB main board 2-5 is arranged in the installation cavity of the handheld shell 2; the PCB main board electronic switch 2-2 is electrically connected.

Example 3

As shown in fig. 3, this embodiment is further optimized based on embodiment 1, specifically:

the body 88 is provided with a PCB main board 2-5; the PCB main board 2-5 is arranged on the lead 4; the PCB main board 2-5 is arranged in the mounting cavity of the shell 1; the PCB main board 2-5 is electrically connected with a power supply 7 and a power device A6.

Example 4

As shown in fig. 4, this embodiment is further optimized based on any one of embodiments 1 to 3, specifically:

the body 88 is provided with a fluid transfer port 9; the fluid transfer port 9 is arranged in the installation cavity of the handheld shell 2; the fluid transfer port 9 is arranged on the water pipe 3; the fluid transfer port 9 provides more than two fluid channels; one end of the fluid transfer port 9 is provided with a power device B10; the power device B10 is arranged in the installation cavity of the handheld shell 2; the power device B10 is electrically connected with the PCB main board 5; the other end of the fluid transfer port 9 is connected with the pipe fitting port B2-1.

Example 5

As shown in fig. 5, this embodiment is further optimized based on embodiment 4, specifically:

the body 88 is provided with a pipe fitting opening C13 through which fluid passes, and the pipe fitting opening C13 is arranged on the handheld shell 2; the other end of the power device B10 is connected with a pipe fitting port C13.

Example 6

As shown in fig. 6, this embodiment is further optimized based on any one of embodiments 1 to 5, specifically:

the body 88 is provided with a fluid transfer port 9; the fluid transfer port 9 is arranged in the installation cavity of the shell 1; the fluid transfer port 9 is arranged on the power device A6 or the water pipe 3; the fluid transfer port 9 provides more than two fluid channels; one end of the fluid transfer port 9 is provided with a power device B10; the power device B10 is arranged in the installation cavity of the shell 1; the power device B10 is electrically connected with one or more of the PCB main boards 5; the other end of the fluid transfer port 9 is connected with the water pipe 3 or the power device A6; when in use, the power device A6 and the power device B10 can be realized by the electronic switch 2-2, so that different modes can be started according to the needs of a user

Examples

As shown in fig. 7, this embodiment is further optimized based on embodiment 6, specifically:

the body 88 is provided with a one-way valve 11; the one-way valve 11 is arranged in the mounting cavity of the shell 1; the one-way valve 11 is arranged in one or more of the water pipe 3, the power device A6, the fluid transfer port 9 and the power device B10.

Example 8

As shown in fig. 8, this embodiment is further optimized based on embodiment 5, specifically:

the body 88 is provided with a one-way valve 11; the one-way valve 11 is arranged in the installation cavity of the shell handheld shell 2; the one-way valve 11 is arranged in one or more of the water pipe 3, the power device A6, the fluid transfer port 9 and the power device B10.

Example 9

As shown in fig. 9, this embodiment is further optimized based on any one of embodiments 2 to 8, specifically:

the body 88 is provided with a heating device 12; the heating device 12 is arranged in the installation cavity of the shell 1; the heating device is electrically connected with the PCB main board 5.

When in use, the heating device 12 is started according to the requirements of users to heat the liquid, so as to meet the requirements of different users on water temperature.

Example 10

As shown in fig. 10, this embodiment is further optimized based on any one of embodiments 2 to 9, specifically:

the body 88 is provided with a heating device 12; the heating device hand-held shell 2 is arranged in the cavity; the heating device is arranged on the water pipe 3; the heating device is electrically connected with one of the PCB main board 5 and the power supply.

When in use, the heating device 12 is started according to the requirements of users to rapidly heat the liquid, so as to meet the requirements of different users on water temperature.

Example 11

As shown in fig. 11, this embodiment is further optimized based on any one of embodiments 2 to 10, specifically:

the body 88 is provided with a charging port 14; the charging port is arranged on the handheld shell 2; the charging port is electrically connected with the PCB main board 5.

Example 12

As shown in fig. 12, this embodiment is further optimized based on any one of embodiments 2 to 11, specifically:

the body 88 is provided with a charging port 14; the charging port is arranged on the shell 1; the charging port 14 is electrically connected to the power supply 7.

Example 13

This example was further optimized on the basis of example 9, and specifically: as shown in fig. 13.

Example 14

As shown in fig. 14, this embodiment is further optimized based on any one of embodiments 1 to 13, specifically:

the handheld shell 2 is provided with a nozzle joint 2-6 and a flushing component group 2-7 which is inserted on the nozzle joint 2-6 in the installation cavity; the washing component group 2-7 is spliced with the nozzle joint 2-6 through a pipe fitting port B2-1; the flushing component group 2-7 is one or more of a tooth flushing device spray head, a tooth flushing toothbrush, a tongue coating cleaner and a flusher for flushing the lower body of a human body; the water pipe 3 is connected with the nozzle joints 2-6 through the installation cavity of the handheld shell 2.

Example 15

As shown in fig. 15, this embodiment is further optimized based on any one of embodiments 1 to 14, specifically:

the body 88 is provided with a water inlet device; the water inlet device is connected with the pipe fitting opening A1-1; the water inlet device is a water tank 8; liquid flows to the power device A through the pipe opening A1-1, and is extracted by the power device A to flow to the pipe opening B2-1.

Example 16

As shown in fig. 16, this embodiment is further optimized based on any one of embodiments 1 to 14, specifically:

the body 88 is provided with a water inlet device; the water inlet device is connected with the pipe fitting opening A1-1; the water inlet device is a water pipe adapter 15; when in use, the water pipe adapter 15 is inserted on the water tap.

Example 17

A flushing device which is easy to handle is shown in fig. 17.

Example 18

A flushing device which is easy to handle is shown in fig. 18.

Example 19

As shown in fig. 19, this embodiment is further optimized based on any one of embodiments 1 to 18, specifically:

the power supply 7 is an external power supply, and the voltage of the power supply 7 is between 0.1V and 360V.

Example 20

This embodiment is further optimized based on any one of embodiments 1-18, specifically:

the power supply 7 is a battery.

Example 21

This embodiment is further optimized based on any one of embodiments 1-18, specifically:

the electronic switch is opened and closed by one or more of touch, pressing and pushing; the electronic switch is arranged below the outer shell of the handheld shell, or a key hole is reserved on the shell, the electronic switch is arranged below the key hole, and the electronic switch is opened and closed by pressing or pushing the key; the surface of the key Kong Kongshang is provided with a waterproof device.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A flushing device for facilitating operation, the body comprising: a housing, a hand-held housing; the handheld shell is characterized in that the shell is provided with a water pipe communicated with the handheld shell; the water pipe is provided with a wire; the housing has a mounting cavity; the housing includes: the shell is provided with a pipe fitting opening A through which fluid passes, a pipeline opening A, and a power supply and a power device A are arranged in the installation cavity; the handheld shell is provided with a mounting cavity; the hand-held housing includes: the handheld shell is provided with a pipe fitting port B through which fluid passes, a pipeline port B and an electronic switch; one end of the water pipe is connected with the pipe fitting port B through the pipe line port B; the other end of the water pipe is connected with a power device A through a pipeline port A; the other end of the power device A is connected with the pipe fitting opening A; one end of the wire is electrically connected with the electronic switch through a pipeline B; the other end of the wire is electrically connected with one or two of a power supply and a power device A through a pipeline port A.

2. The easy-to-operate flushing apparatus of claim 1, wherein the body is provided with a PCB main board; the PCB main board is arranged on the lead; the PCB main board is arranged in one or two of the housing mounting cavity and the handheld housing mounting cavity; the PCB main board is electrically connected with one or more of a power supply, a power device A and an electronic switch.

3. The easy-to-operate flushing apparatus of claim 1, wherein the electronic switch is turned on and off by one or more of touching, pressing, pushing; the electronic switch is arranged below the outer shell of the handheld shell, or a key hole is reserved on the shell, the electronic switch is arranged below the key hole, and the electronic switch is opened and closed by pressing or pushing the key; the surface of the key Kong Kongshang is provided with a waterproof device.

4. A flushing device of claim 2, wherein the body is provided with water inlet means; the water inlet device is connected with the pipe fitting opening A; the water inlet device is one or two of a water tank and a water pipe adapter.

5. The flushing device of claim 2, wherein the hand-held housing is provided with a nozzle adapter in the mounting chamber, and a flushing component set inserted in the nozzle adapter; the washing part group is spliced at the nozzle joint through a pipe fitting port B; the flushing component group is one or more of a tooth flushing device spray head, a tooth flushing toothbrush, a tongue fur cleaner and a flusher for flushing the lower body of a human body; the water pipe is connected with the nozzle joint through the handheld shell mounting cavity.

6. A flushing device of claim 2, wherein the body is provided with a fluid transfer port; the fluid transfer port is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the fluid transfer port is arranged on one or two of the power device A and the water pipe; the fluid transfer port provides more than two fluid channels; one end of the fluid transfer port is provided with a power device B; the power device B is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the power device B is electrically connected with one or more of a power supply, a power device A, a wire and a PCB main board; the other end of the fluid transfer port is connected with the pipe fitting port B2, the water pipe and the power device A.

7. The easy-to-operate flushing apparatus of claim 6 wherein the body is provided with a tube port C through which fluid passes, the tube port C being provided in one or both of the housing and the hand-held housing; the other end of the power device B is connected with the pipe fitting opening C.

8. A flushing device of claim 6, wherein the body is provided with a one-way valve; the one-way valve is arranged in one or two of the housing installation cavity and the handheld housing installation cavity; the one-way valve is arranged in one or more of the water pipe, the power device A, the fluid transfer port and the power device B.

9. A flushing device of claim 2, wherein the body is provided with heating means; the heating device is arranged in one or more of the shell installation cavity, the handheld shell installation cavity and the water pipe; the heating device is electrically connected with one of the PCB main board and the power supply.

10. A flushing device of claim 2, wherein the body is provided with a charging port; the charging port is arranged in one or two of the shell and the handheld shell; the charging port is electrically connected with one of the PCB main board and the power supply.