CN216089567U

CN216089567U - Automatic sterilizing cupboard

Info

Publication number: CN216089567U
Application number: CN202121652814.5U
Authority: CN
Inventors: 蔡秀霞
Original assignee: Individual
Current assignee: Daqing Lianyikang Sterilization Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-22
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses an automatic sterilization cabinet, which comprises a cabinet body, an automatic door opening unit and a sterilization unit, wherein the automatic door opening unit is arranged on the cabinet body; the cabinet body: a partition board is arranged in the cabinet body, the cabinet body is divided into an upper cavity and a lower cavity by the partition board, the upper cavity is a disinfection generation cavity, the lower cavity is a placing disinfection cavity, and a sterilization unit is arranged in the cavity at the upper part of the cabinet body; an automatic door opening unit: include motor fixed plate, motor, driving gear, driven gear, pivot, first branch, second branch and connecting rod, the one end of pivot runs through the upper surface and the pivot rotation connection baffle of baffle, the pivot is located the disinfection and takes place the part of intracavity and be provided with driven gear, the motor fixed plate sets up the curb plate internal surface at the cabinet body, and the lower surface of motor fixed plate is provided with the motor, and this device can carry out the omnidirectional to the article in the cupboard and disinfect, guarantees the effect of disinfecting, and can not cause the injury to the human body, improves the security when using.

Description

Automatic sterilizing cupboard

Technical Field

The utility model relates to the technical field of cabinet sterilization, in particular to an automatic sterilization cabinet.

Background

The cabinet is a household and civil facility integrating comprehensive functions of burning, washing, storing, oil smoke absorption and the like in a household kitchen, and consists of a wall cupboard, a floor cupboard, a table board and various functional hardware accessories, the whole kitchen cupboard is originated from Europe and America, and by the end of the nineties, along with the deepening of reform and opening, the economic income and living level of people is improved, the living mode is changed, and the propagation influence of foreign kitchen and toilet culture is caused, so that the modern household kitchen cupboard, which is a new thing, is rapidly developed in the world, forms a huge industrial market and becomes the sunward industry of China, and the cupboard enables necessary goods in daily life to be provided in the kitchen of each household;

application number 201220617537.9 in the prior art provides an automatic sterilization cabinet based on ultraviolet sterilization, which comprises a sterilization lamp, a cabinet body, a door ring, a cabinet door and a travel switch, wherein the sterilization lamp is installed on the inner wall of the cabinet body, the cabinet body is provided with the cabinet door, the door ring is installed on the cabinet door, the travel switch is installed on the cabinet door, and the sterilization lamp and the travel switch are connected in series;

when the cabinet is disinfected, ultraviolet rays generated by the disinfection lamp are used, the ultraviolet rays easily cause certain damage to a human body, and when objects are placed in the cabinet body, the all-around disinfection can not be performed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide an automatic sterilization cabinet, which can carry out all-around sterilization on the cabinet, ensure the sterilization effect, cannot cause harm to human bodies, improve the safety during use and effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic sterilization cabinet comprises a cabinet body, an automatic door opening unit and a sterilization unit;

the cabinet body: a partition board is arranged in the cabinet body, the cabinet body is divided into an upper cavity and a lower cavity by the partition board, the upper cavity is a disinfection generation cavity, the lower cavity is a placing disinfection cavity, and a sterilization unit is arranged in the cavity at the upper part of the cabinet body;

an automatic door opening unit: comprises a motor fixing plate, a motor, a driving gear, driven gears, a rotating shaft, a first supporting rod, a second supporting rod and a connecting rod, wherein one end of the rotating shaft penetrates through the upper surface of the partition plate and is rotatably connected with the partition plate, the driven gear is arranged on the part of the rotating shaft, which is positioned in the disinfection generation cavity, the motor fixing plate is arranged on the inner surface of a side plate of the cabinet body, the motor is arranged on the lower surface of the motor fixing plate, the driving gear is arranged on the lower end output shaft of the motor and is meshed with the driven gear, the other end of the rotating shaft penetrates through the lower surface of the partition plate and is fixedly connected with the first supporting rod, the first supporting rod at the upper end is connected on the rotating shaft, the first supporting rod at the lower end is rotatably connected with the inner lower surface of the cabinet body, the bent parts of the two first supporting rods are respectively and fixedly connected with the two ends of the connecting rod, the second supporting rods are respectively arranged on the lower surface of the partition plate and the inner lower surface of the cabinet body, one end of each of the two first supporting rods and one end of each of the two second supporting rods are respectively and rotatably connected to the side face of the sealing door, and the input end of the motor is electrically connected with the output end of an external power supply through an external switch set.

Wholly set up on the cabinet body, place article at the internal of cabinet, control motor through external switch group and rotate, the motor drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and driven gear drives the pivot and rotates, and the pivot drives first branch and rotates, and two first branches and two second branches drive the sealing door and remove, seal the cabinet body through the sealing door, disinfect the article of the internal of cabinet through the unit that disinfects.

Further, the sterilization unit comprises an air inlet, a first installation box, an ozone generator, a second installation box, an air transmission pipeline, a splitter plate and a spray head, wherein the second installation box is arranged on the upper surface of the partition plate, the first installation box is arranged at the bottom end inside the second installation box, the ozone generator is arranged in the first installation box, the air inlet is arranged on the outer surface of the side plate of the cabinet body and is communicated with the air inlet end of the ozone generator, the air outlet end of the ozone generator is communicated with one end of the air transmission pipeline, the other end of the air transmission pipeline sequentially penetrates through the first installation box, the second installation box and the lower surface of the partition plate and is communicated with the splitter plate, the splitter plate is of a hollow structure, two ends of the splitter plate are respectively connected to the inner surface of the side plate of the cabinet body through two connecting blocks, the spray head is arranged on the lower surface of the splitter plate, and the input end of the ozone generator is electrically connected with the output end of an external power supply through an external switch group, air enters the ozone generator through the air inlet, the ozone generator is controlled to work through the external switch group to generate ozone, the generated ozone enters the flow distribution plate through the air transmission pipeline, the ozone entering the flow distribution plate is sprayed out through the spray head, and the sprayed ozone sterilizes the inside of the cabinet body and articles inside the cabinet body.

The ozone generating cabinet further comprises a cooling unit, the cooling unit comprises a water cooler, a water cooling pump and a water cooling cavity, the water cooler is arranged on the upper surface of the cabinet body, the water outlet end of the water cooler is connected with the water inlet end of the water cooling pump through a pipeline, the water outlet end of the water cooling pump is communicated with the water cooling cavity through a pipeline, the water cooling cavity is a gap between the inner surface of the second mounting box and the outer surface of the first mounting box, the water cooling cavity is communicated with the water inlet of the water cooler through a pipeline, the input ends of the water cooler and the water cooling pump are electrically connected with the output end of an external power supply through an external switch group, the water cooler is controlled by the external switch group to work to generate cold water, the cold water enters the water cooling pump through a pipeline, the cold water pump is controlled to work by the external switch group, the cold water is conveyed into the water cooling cavity through a pipeline by the water cooling pump, the cold water in the cold water cavity cools the ozone generator, and prolongs the service life of the ozone generator, and the cooled cold water enters the water chiller from the new water chiller through a pipeline.

Further, still include exhaust fan and gas vent, logical groove has been seted up on the curb plate of the cabinet body, leads to the inslot and is provided with the exhaust fan, the gas vent sets up in the curb plate lower part of the cabinet body, and the input of exhaust fan is connected the output of external power source through external switch group electricity, controls the exhaust fan through external switch group and carries out work, discharges the moisture of the internal portion of cabinet, disinfects the remaining ozone of back through the gas vent to the cabinet body and derives the processing.

Further, still include delivery port and water catch bowl, the water catch bowl sets up the inside lower surface at the cabinet body, the delivery port sets up the curb plate surface at the cabinet body, and the delivery port is located the internal part intercommunication water catch bowl of cabinet, collects the water that produces the internal portion of cabinet through the water catch bowl to discharge through the delivery port.

Further, still include fastening bolt, mounting bracket, place board and handle, the mounting bracket is two and sets up respectively at the curb plate internal surface of the cabinet body, is equipped with fastening bolt on the mounting bracket, the spout has been seted up on the mounting bracket, and sliding connection has the board of placing in the spout, it is provided with the handle on the leading flank of board to place, places the board and is provided with the through-hole, places the board into the spout of mounting bracket to fixing placing the board through fastening bolt, loosening fastening bolt after, the accessible handle is pulled out placing the board, places the logical groove on the board and can improve the circulation of ozone when disinfecting.

Compared with the prior art, the utility model has the beneficial effects that: has the following advantages:

1. the ozone generator generates ozone to sterilize articles placed in the cabinet body, so that the sterilization can be carried out in all directions, and the sterilized ozone is discharged through the exhaust port to avoid the injury to human bodies;

2. the automatic door opening unit drives the sealing door to seal and open the cabinet body, so that the sealing performance during closing can be ensured, the sterilization effect is improved, and the sealing door is prevented from being opened by mistake in the sterilization process;

3. the whole device can effectively sterilize the articles placed in the device, has obvious sterilization effect and has practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention.

In the figure: the cabinet body 1, the automatic unit that opens the door of 2, 21 motor fixed plate, 22 motor, 23 driving gear, 24 driven gear, 25 pivots, 26 first branch, 27 second branch, 28 connecting rods, 3 cooling unit, 31 cold water machine, 32 cold water pump, 33 cold water cavity, 4 sterilization unit, 41 air inlets, 42 install bin one, 43 ozone generator, 44 install bin two, 45 gas transmission pipeline, 46 flow distribution plate, 47 shower nozzle, 5 sealing door, 6 connecting blocks, 7 exhaust fan, 8 delivery port, 9 gas vents, 10 fastening bolt, 11 mounting brackets, 12 place the board, 13 handles, 14 catch basins, 15 baffles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: an automatic sterilization cabinet comprises a cabinet body 1, an automatic door opening unit 2 and a sterilization unit 4;

the cabinet body 1: a partition board 15 is arranged in the cabinet body 1, the cabinet body 1 is divided into an upper cavity and a lower cavity by the partition board 15, the upper cavity is a disinfection generation cavity, the lower cavity is a placing disinfection cavity, and a sterilization unit 4 is arranged in the cavity at the upper part of the cabinet body 1;

automatic door-opening unit 2: comprises a motor fixing plate 21, a motor 22, a driving gear 23, a driven gear 24, a rotating shaft 25, a first supporting rod 26, a second supporting rod 27 and a connecting rod 28, one end of the rotating shaft 25 penetrates through the upper surface of a partition plate 15 and the rotating shaft 25 is rotatably connected with the partition plate 15, the part of the rotating shaft 25, which is positioned in a disinfection generation cavity, is provided with the driven gear 24, the motor fixing plate 21 is arranged on the inner surface of a side plate of the cabinet body 1, the lower surface of the motor fixing plate 21 is provided with the motor 22, the lower end output shaft of the motor 22 is provided with the driving gear 23, the driving gear 23 is meshed with the driven gear 24, the other end of the rotating shaft 25 penetrates through the lower surface of the partition plate 15 and is fixedly connected with the first supporting rod 26, the first supporting rods 26 at the upper ends are connected on the rotating shaft 25, the first supporting rods 26 at the lower ends are rotatably connected with the inner lower surface of the cabinet body 1, and the bent parts of the two first supporting rods 26 are respectively and fixedly connected with the two ends of the connecting rod 28, the second branch poles 27 are two and are respectively arranged on the lower surface of the partition board 15 and the inner lower surface of the cabinet body 1, one ends of the two first branch poles 26 and the two second branch poles 27 are respectively rotatably connected to the side surface of the sealing door 5, and the input end of the motor 22 is electrically connected with the output end of an external power supply through an external switch group.

Wholly set up on the cabinet body 1, place article at the cabinet body 1 in, control motor 22 through external switch group rotates, motor 22 drives driving gear 23 and rotates, driving gear 23 drives driven gear 24 and rotates, driven gear 24 drives pivot 25 and rotates, pivot 25 drives first branch 26 and rotates, two first branches 26 and two second branches 27 drive sealing door 5 and remove, seal cabinet body 1 through sealing door 5, disinfect the article in the cabinet body 1 through the unit of disinfecting 4.

The sterilization unit 4 comprises an air inlet 41, a first installation box 42, an ozone generator 43, a second installation box 44, an air transmission pipeline 45, a diversion plate 46 and a spray head 47, wherein the second installation box 44 is arranged on the upper surface of the partition plate 15, the first installation box 42 is arranged at the bottom end inside the second installation box 44, the ozone generator 43 is arranged in the first installation box 42, the air inlet 41 is arranged on the outer surface of a side plate of the cabinet body 1, the air inlet 41 is communicated with the air inlet end of the ozone generator 43, the air outlet end of the ozone generator 43 is communicated with one end of the air transmission pipeline 45, the other end of the air transmission pipeline 45 sequentially penetrates through the first installation box 42, the second installation box 44 and the lower surface of the partition plate 15 to be communicated with the diversion plate 46, the diversion plate 46 is of a hollow structure, two ends of the diversion plate 46 are respectively connected to the inner surface of the side plate of the cabinet body 1 through two connecting blocks 6, the spray head 47 is arranged on the lower surface of the diversion plate 46, the input end of the ozone generator 43 is electrically connected to the output end of an external power supply through an external switch group, air enters the ozone generator 43 through the air inlet 41, the ozone generator 43 is controlled to work through the external switch group to generate ozone, the generated ozone enters the flow distribution plate 46 through the air transmission pipeline 45, the ozone entering the flow distribution plate 46 is sprayed out through the spray head 47, and the sprayed ozone sterilizes the inside of the cabinet body 1 and articles inside the cabinet body 1.

The cooling unit 3 is further included, the cooling unit 3 includes a water chiller 31, a water chiller pump 32 and a water chiller cavity 33, the water chiller 31 is arranged on the upper surface of the cabinet body 1, the water outlet end of the water chiller 31 is connected with the water inlet end of the water chiller pump 32 through a pipeline, the water outlet end of the water chiller pump 32 is communicated with the water chiller cavity 33 through a pipeline, the water chiller cavity 33 is a gap between the inner surface of the second mounting box 44 and the outer surface of the first mounting box 42, the water chiller cavity 33 is communicated with the water inlet of the water chiller 31 through a pipeline, the input ends of the water chiller 31 and the water chiller pump 32 are electrically connected with the output end of an external power supply through an external switch set, the water chiller 31 is controlled to work through the external switch set to generate cold water, the cold water enters the water chiller pump 32 through a pipeline, the water chiller pump 32 is controlled to work through the external switch set, the water pump 32 conveys the cold water into the water chiller cavity 33 through a pipeline, and the cold water in the ozone generator 43 is cooled by the cold water in the water pump 33, the service life of the ozone generator 43 is prolonged, and the cooled cold water enters the water chiller 31 from the beginning through a pipeline.

Still include exhaust fan 7 and gas vent 9, logical groove has been seted up on the curb plate of the cabinet body 1, it is provided with exhaust fan 7 to lead to the inslot, gas vent 9 sets up the curb plate lower part at the cabinet body 1, the output of external power source is connected through external switch group electricity to the input of exhaust fan 7, control exhaust fan 7 through external switch group and carry out work, discharge the moisture of the internal portion of cabinet, carry out the derivation processing through remaining ozone after 9 to disinfecting in the cabinet body 1 of gas vent.

Still include delivery port 8 and water catch bowl 14, water catch bowl 14 sets up the inside lower surface at the cabinet body 1, and delivery port 8 sets up the curb plate surface at the cabinet body 1, and delivery port 8 is located the partial intercommunication water catch bowl 14 of the internal 1 of cabinet, collects the water that the internal portion of cabinet 1 produced through water catch bowl 14 to discharge through delivery port 8.

Still include fastening bolt 10, mounting bracket 11, place board 12 and handle 13, mounting bracket 11 is two and sets up respectively at the curb plate internal surface of the cabinet body 1, be equipped with fastening bolt 10 on the mounting bracket 11, the spout has been seted up on the mounting bracket 11, sliding connection has place board 12 in the spout, it is provided with handle 13 on the leading flank of placing board 12, it is provided with the through-hole on board 12 to place, place board 12 and place into mounting bracket 11's spout in, and fix placing board 12 through fastening bolt 10, loosen fastening bolt 10 after, accessible handle 13 pulls out placing board 12, place the circulation of ozone when the logical groove on board 12 can improve and disinfect.

The working principle of the automatic sterilization cabinet provided by the utility model is as follows: placing a placing plate 12 into a chute of a mounting frame 11, fixing the placing plate 12 through a fastening bolt 10, placing an article to be sterilized on the placing plate 12, controlling a motor 22 to rotate through an external switch group, controlling a driving gear 23 to rotate through a motor 22, driving the driven gear 24 to rotate through the driving gear 23, driving a rotating shaft 25 to rotate through the driven gear 24, driving a first supporting rod 26 to rotate through the rotating shaft 25, driving a sealing door 5 to move through two first supporting rods 26 and two second supporting rods 27, sealing the cabinet body 1 through the sealing door 5, allowing air to enter an ozone generator 43 through an air inlet 41, controlling the ozone generator 43 to work through the external switch group to generate ozone, allowing the generated ozone to enter a splitter plate 46 through an air transmission pipeline 45, spraying the ozone entering the splitter plate 46 through a spray head 47, and sterilizing the article inside the cabinet body 1 and the article inside the cabinet body 1 through the sprayed ozone, meanwhile, the refrigeration water pump 32 is controlled to work by the external switch group, the refrigeration water pump 32 conveys the refrigeration water into the refrigeration water cavity 33 by a pipeline, the ozone generator 43 is cooled by the cold water in the cold water cavity 33, the service life of the ozone generator 43 is prolonged, the cooled cold water enters the cold water machine 31 from the outside through a pipeline, if the placed articles generate water drops, the water generated in the cabinet body 1 is collected by the water collecting tank 14 and is discharged through the water outlet 8, after the sterilization is finished, the residual ozone in the cabinet body 1 after sterilization is led out through the exhaust port 9, the exhaust fan 7 is controlled to work through the external switch group, moisture in the cabinet body 1 is discharged, the automatic door opening unit 2 is controlled by the external switch group to open the sealing door 5, after the fastening bolts 10 are loosened, the placing plate 12 can be pulled out through the handle 13, and the sterilized articles are taken out.

It is noted that the motor 22 disclosed in the above embodiment may be of the type KP73B, the ozone generator 43 WTS-2A, the chiller 31 MTZ80HP4AVE, and the chiller pump 32 ISWH 100-250A. The specific model of the exhaust fan 7 is BFAG-600, and the control switch group controls the motor 22, the ozone generator 43, the cold water machine 31, the cold water pump 32 and the exhaust fan 7 to work by the method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An automatic sterilizing cabinet is characterized in that: comprises a cabinet body (1), an automatic door opening unit (2) and a sterilization unit (4);

cabinet (1): a partition board (15) is arranged in the cabinet body (1), the cabinet body (1) is divided into an upper cavity and a lower cavity by the partition board (15), the upper cavity is a disinfection generation cavity, the lower cavity is a disinfection placing cavity, and a sterilization unit (4) is arranged in the cavity at the upper part of the cabinet body (1);

automatic door opening unit (2): comprises a motor fixing plate (21), a motor (22), a driving gear (23), a driven gear (24), a rotating shaft (25), a first supporting rod (26), a second supporting rod (27) and a connecting rod (28), wherein one end of the rotating shaft (25) penetrates through the upper surface of a partition plate (15), the rotating shaft (25) rotates to connect the partition plate (15), the part of the rotating shaft (25) which is positioned in a disinfection generation cavity is provided with the driven gear (24), the motor fixing plate (21) is arranged on the inner surface of a side plate of a cabinet body (1), the lower surface of the motor fixing plate (21) is provided with the motor (22), the driving gear (23) is arranged on the lower end output shaft of the motor (22), the driving gear (23) is meshed with the driven gear (24), the other end of the rotating shaft (25) penetrates through the lower surface of the partition plate (15) and is fixedly connected with the first supporting rod (26), the first supporting rod (26) is two, first branch (26) of upper end are connected in pivot (25), and first branch (26) of lower extreme rotate to be connected at the inside lower surface of the cabinet body (1), and the both ends of buckling department difference fixed connection connecting rod (28) of two first branches (26), second branch (27) are two and set up respectively at the lower surface of baffle (15) and the inside lower surface of the cabinet body (1), and the one end of two first branches (26) and two second branches (27) rotates respectively and connects the side in sealing door (5), and the input of motor (22) passes through the output of external switch group electricity connection external power source.

2. The automatic sterilization cabinet as claimed in claim 1, wherein: the sterilization unit (4) comprises an air inlet (41), a first installation box (42), an ozone generator (43), a second installation box (44), an air transmission pipeline (45), a flow distribution plate (46) and a spray head (47), wherein the second installation box (44) is arranged on the upper surface of the partition plate (15), the first installation box (42) is arranged at the bottom end of the inner part of the second installation box (44), the ozone generator (43) is arranged in the first installation box (42), the air inlet (41) is arranged on the outer surface of the side plate of the cabinet body (1), the air inlet (41) is communicated with the air inlet end of the ozone generator (43), the air outlet end of the ozone generator (43) is communicated with one end of the air transmission pipeline (45), the other end of the air transmission pipeline (45) sequentially penetrates through the first installation box (42), the second installation box (44) and the lower surface of the partition plate (15) to be communicated with the flow distribution plate (46), and the flow distribution plate (46) is of a hollow structure, two ends of the splitter plate (46) are respectively connected to the inner surface of the side plate of the cabinet body (1) through two connecting blocks (6), the lower surface of the splitter plate (46) is provided with a spray head (47), and the input end of the ozone generator (43) is electrically connected with the output end of an external power supply through an external switch group.

3. The automatic sterilization cabinet as claimed in claim 1, wherein: still include cooling unit (3), cooling unit (3) include cold water machine (31), cold water pump (32) and cold water chamber (33), cold water machine (31) set up the upper surface at the cabinet body (1), and the end of giving out water of cold water machine (31) passes through the end of intaking of pipe connection cold water pump (32), the play water end of cold water pump (32) passes through pipeline intercommunication cold water chamber (33), cold water chamber (33) are the space between the internal surface of install bin two (44) and the surface of install bin one (42), cold water chamber (33) are through the water inlet of pipeline intercommunication cold water machine (31), and the output of external power source is connected through external switch group electricity to the input of cold water machine (31) and cold water pump (32).

4. The automatic sterilization cabinet as claimed in claim 1, wherein: still include exhaust fan (7) and gas vent (9), logical groove has been seted up on the curb plate of the cabinet body (1), logical inslot is provided with exhaust fan (7), gas vent (9) set up in the curb plate lower part of the cabinet body (1), and the input of exhaust fan (7) passes through the output of external switch group electricity connection external power source.

5. The automatic sterilization cabinet as claimed in claim 1, wherein: still include delivery port (8) and water catch bowl (14), water catch bowl (14) set up the inside lower surface at the cabinet body (1), delivery port (8) set up the curb plate surface at the cabinet body (1), and delivery port (8) are located the part intercommunication water catch bowl (14) of the cabinet body (1).

6. The automatic sterilization cabinet as claimed in claim 1, wherein: still include fastening bolt (10), mounting bracket (11), place board (12) and handle (13), mounting bracket (11) are two and set up respectively at the curb plate internal surface of the cabinet body (1), are equipped with fastening bolt (10) on mounting bracket (11), the spout has been seted up on mounting bracket (11), and sliding connection has place board (12) in the spout, it is provided with handle (13) on the leading flank of board (12) to place, places and is provided with the through-hole on board (12).