CN210204468U - Auxiliary material bottle, auxiliary material device, frying pan device and cooking machine - Google Patents

Abstract

The utility model relates to the technical field of intelligent manufacturing and intelligent service, and discloses an auxiliary material bottle, wherein a liquid level sensor is arranged inside a cavity of the auxiliary material bottle, and the liquid level sensor is a non-contact liquid level sensor; the liquid level sensor comprises a floating block positioning column and a floating block with a magnet, and the floating block with the magnet can be detected by a Hall proximity switch arranged outside the cavity of the auxiliary material bottle; the lower end of the floating block positioning column is connected with the bottom of the auxiliary material bottle, the upper end of the floating block positioning column is suspended, and the floating block with the magnet moves between the two ends of the floating block positioning column under the action of the auxiliary material in the auxiliary material bottle. The utility model also discloses an auxiliary material device, frying pan device and intelligent cooking machine can effectively solve and adopt contact level sensor to have the structure complicacy and need punch inside and outside the intercommunication auxiliary material bottle cavity and the sealed technical problem that leads to liquid to leak inadequately among the prior art.

Description

Auxiliary material bottle, auxiliary material device, frying pan device and cooking machine

Technical Field

The utility model relates to an intelligence is made and intelligent service technical field especially relates to an auxiliary material bottle, auxiliary material device, frying pan device and machine of cooking.

Background

With the rapid development of social economy and scientific technology, the living standard of residents is continuously improved, the pursuit of life intellectualization is higher and higher, and the cooking machine serving as one of necessary living electric appliances of modern families is gradually developed towards multifunctional intellectualization. The present frying machine not only can realize the functions of frying, cooking, frying, exploding, stewing, steaming, boiling, baking, stewing, cooking and the like, but also integrates the functions of automatic stir-frying, automatic cleaning, remote control and the like, and realizes the automatic cooking of the frying machine.

The cooking machine on the market has had the function of automatic interpolation auxiliary material (seasoning), has the auxiliary material device and can realize the function to the automatic interpolation auxiliary material in the pot to improve the convenience that the user used the cooking machine.

However, the inventor discovers that the auxiliary material device adopted by the existing intelligent cooker does not have equipment for indicating the use condition of the auxiliary material in the auxiliary material bottle, or a contact type liquid level sensor is adopted to acquire and output liquid level information in the auxiliary material bottle. However, the contact type liquid level sensor has the sealing problem caused by the complex structure and the need of punching to communicate the inside and the outside of the cavity of the auxiliary material bottle, so that liquid leaks. Therefore, there is a need for an improved accessory device that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an auxiliary material bottle, auxiliary material device, frying pan device and cooking machine can effectively solve and adopt contact level sensor to have the technical problem that the structure is complicated and need punch inside and outside the intercommunication auxiliary material bottle cavity and the sealed liquid that leads to inadequately leaks among the prior art

In order to solve the technical problem, the utility model provides an auxiliary material bottle, a liquid level sensor is arranged inside a cavity of the auxiliary material bottle, and the liquid level sensor is a non-contact liquid level sensor; the liquid level sensor comprises a floating block positioning column and a floating block with a magnet, and the floating block with the magnet can be detected by a Hall proximity switch arranged outside the cavity of the auxiliary material bottle; the lower end of the floating block positioning column is connected with the bottom of the auxiliary material bottle, the upper end of the floating block positioning column is suspended, and the floating block with the magnet moves between the two ends of the floating block positioning column under the action of the auxiliary material in the auxiliary material bottle.

This embodiment is through adopting including the non-contact level sensor of kicking block reference column and taking the magnet kicking block, need not and arrange in under the outside hall proximity switch contact's of auxiliary material bottle the condition, also can effectively transmit the auxiliary material liquid level condition in the auxiliary material bottle for hall proximity switch, compares and adopts contact level sensor can effectively avoid the auxiliary material excessive condition emergence because of sealed problem leads to.

Preferably, a low liquid level detection area is formed between a specific position between two ends of the floating block positioning column and the lower end of the floating block positioning column, and when the floating block with the magnet is located in the low liquid level detection area, the low liquid level detection area can be detected by a low liquid level Hall proximity switch arranged outside the cavity of the auxiliary material bottle.

As a preferred scheme, the low liquid level reminding position of the auxiliary material bottle corresponds to the specific position; the auxiliary material bottle is provided with a low liquid level scale mark corresponding to the low liquid level reminding position, and the low liquid level scale mark corresponds to the specific position.

As above-mentioned improvement scheme, this embodiment is through setting up low liquid level detection region on the non-contact level sensor in the auxiliary material bottle, when the auxiliary material was used up soon in the auxiliary material bottle, take the auxiliary material liquid level of magnet floater in can the auxiliary material bottle at any time to fall to low liquid level detection region (reacing or being less than low liquid level and reminding the position), thereby can be detected by the outer low liquid level hall proximity switch in auxiliary material bottle cavity, and through low liquid level hall proximity switch to controller signals with the suggestion user add the auxiliary material or change the auxiliary material bottle.

As a preferable scheme, a high liquid level detection area is formed between the other specific position between the two ends of the floating block positioning column and the upper end of the floating block positioning column, and when the floating block with the magnet is located in the high liquid level detection area, the floating block can be detected by a high liquid level hall proximity switch arranged outside the cavity of the auxiliary material bottle.

As a preferred scheme, the upper end of the floating block positioning column corresponds to the highest liquid level position of the auxiliary material bottle; and a maximum liquid level scale mark is arranged on the auxiliary material bottle corresponding to the maximum liquid level position.

As above-mentioned improvement scheme, this embodiment is through setting up high liquid level detection region on the non-contact level sensor in the auxiliary material bottle, when the user directly when adding the auxiliary material fast toward the auxiliary material bottle, take the magnet floating block can rise to high liquid level detection region (reach or be less than the highest liquid level position) at any time the auxiliary material liquid level in the auxiliary material bottle to can be detected by the outer high liquid level hall proximity switch in auxiliary material bottle cavity, and through high liquid level hall proximity switch to controller signals in order to indicate that the user's auxiliary material has arrived the highest liquid level position.

As a preferred scheme, an inner joint and an inner connecting pipe are arranged in a cavity of the auxiliary material bottle, and a butt joint for communicating the inside and the outside of the cavity of the auxiliary material bottle is arranged on the auxiliary material bottle; one end of the inner joint is used as an inner joint pipe connecting end, the inner joint pipe connecting end is connected with one end of the inner joint pipe, and the other end of the inner joint pipe extends to the bottom inside the cavity of the auxiliary material bottle; the other end of the internal connector is used as an external connector connecting end, and the external connector connecting end is opposite to the butt joint.

As above-mentioned preferred scheme, the auxiliary material bottle that this embodiment provided is through at the inside internal joint that sets up internal joint pipe and be connected with internal joint pipe of cavity to be equipped with the intercommunication on the auxiliary material bottle the internal and external and relative butt joint mouth with the external connector link of internal joint of auxiliary material bottle cavity, like this, make the butt joint mouth of auxiliary material bottle aim at external joint and push, can realize that external joint inserts the inside internal joint's that realizes of cavity of auxiliary material bottle quick connection with the internal joint in the auxiliary material bottle. When the auxiliary material in the auxiliary material bottle is used up and the auxiliary material needs to be added or the auxiliary material bottle needs to be replaced, the auxiliary material bottle only needs to be pulled out forcefully, and then the internal connection joint and the external connection joint in the auxiliary material bottle can be separated, so that the auxiliary material bottle can be detached quickly. Consequently, but the auxiliary material bottle that this embodiment provided can realize that the bare-handed of auxiliary material bottle is unpack apart fast and be connected in order to change or add the auxiliary material, improves the convenience of using.

Preferably, the external joint connecting end is opposite to the butt joint, and a space is reserved between the external joint connecting end and the butt joint. As above-mentioned preferred scheme, this embodiment has a certain distance interval through the design between auxiliary material bottle internal connection joint and the butt joint mouth, and when its effect was for taking out the auxiliary material bottle, the auxiliary material in the internal connection pipe refluxes under the vacuum negative pressure effect, remains the auxiliary material on external connection joint and drips in the middle of the interval shifting out the in-process, drips in the auxiliary material bottle promptly to it is clean to prevent that the auxiliary material from dripping to influence outside the auxiliary material bottle.

Preferably, the size of the gap is proportional to the size of the opening of the external connector connecting end. The design can make the size of interval be enough to guarantee to remain in the auxiliary material on external joint and drip in the middle of the interval in the process of dialling out like this.

Preferably, the butt joint port is arranged on the side wall of the auxiliary material bottle and close to the top of the auxiliary material bottle; the maximum liquid level position of the auxiliary material bottle is lower than the position of the butt joint port.

Preferably, the non-contact liquid level sensor is close to a side wall provided with the butt joint port.

As a preferred scheme, the auxiliary material bottle comprises a body with an opening at the top and a cover body, and the cover body is detachably connected with the body; the cover body is connected with the top of the body in a pressing and clamping mode.

As above-mentioned preferred scheme, the auxiliary material bottle that this embodiment provided is through adopting body and lid to be connected for dismantling (specifically through pressing the mode of card income to be connected the top of lid and body) to do benefit to and install and maintain interior nipple, inscribed joint and level sensor etc. in the auxiliary material bottle, also conveniently wash the inside cavity of auxiliary material bottle.

Preferably, the inner connector is arranged on the inner wall of the cover body; the inner joint and the cover body are integrally formed.

As the preferred scheme, the internal connection joint and the detachable cover body are integrally formed, so that the mold opening manufacturing is facilitated, and the production efficiency and the structure standardization can be improved.

As a preferred scheme, an auxiliary material adding port is formed in the cover body, and a flip top cover plate or a sliding top cover plate is arranged on the auxiliary material adding port of the cover body to open or close the auxiliary material adding port.

As above-mentioned preferred scheme, this embodiment has flip formula or slidingtype lamina tecti through the design on the removable lid of auxiliary material bottle, and the effect adds the auxiliary material for convenient, and when the auxiliary material used up in the auxiliary material bottle, the accessible was opened the lamina tecti and is added the auxiliary material.

As a preferred scheme, an auxiliary material flow guide cavity communicated with the auxiliary material adding port is formed in the inner wall of the cover body.

Preferably, a handle is arranged on the other side wall of the body opposite to the side wall provided with the butt joint port, and the handle and the body are integrally formed.

As above-mentioned preferred scheme, this embodiment sets up the handle that leads to the groove structure through the front end at the auxiliary material bottle, can further do benefit to the bare-handed operation of user and unpack fast and the high-speed joint in order to realize the auxiliary material bottle.

The embodiment of the utility model provides a correspondence provides an auxiliary material device, including auxiliary material bottle frame and as above arbitrary embodiment the auxiliary material bottle, auxiliary material bottle frame is equipped with a plurality of auxiliary material bottles and accepts the chamber, each the auxiliary material bottle is accepted the chamber and is used for acceping one the auxiliary material bottle, the auxiliary material bottle frame corresponds every the auxiliary material bottle is accepted the chamber and is equipped with hall proximity switch, hall proximity switch is used for detecting and accepts the correspondence non-contact level sensor in the auxiliary material bottle that the chamber was accepted to the auxiliary material bottle.

It can be seen that the auxiliary material device that this embodiment provided both can control auxiliary material pump work through the controller to the realization is pumped the auxiliary material automation in the auxiliary material bottle in order to add the auxiliary material, possesses the automatic function of adding the auxiliary material. In addition, the auxiliary material bottle that this embodiment provided is through adopting including the non-contact level sensor of kicking block reference column and taking the magnet kicking block, need not with arrange in the auxiliary material bottle under the hall proximity switch direct contact (only need be close to can) in the frame the condition, also can effectively transmit the auxiliary material liquid level condition in the auxiliary material bottle for hall proximity switch, compare and adopt contact level sensor can effectively avoid the auxiliary material excessive condition emergence because of sealed problem leads to.

As a preferred scheme, the auxiliary material bottle rack is mainly formed by connecting a bottom wall, a rear wall and two side walls, and a partition plate is arranged between every two adjacent auxiliary material bottle accommodating cavities; the auxiliary material bottle accommodating cavity is provided with a Hall proximity switch corresponding to each auxiliary material bottle accommodating cavity on the outer surface of the rear wall of the auxiliary material bottle rack, and the Hall proximity switch is used for detecting a liquid level sensor accommodated in the auxiliary material bottle corresponding to the auxiliary material bottle accommodating cavity.

As an optimal scheme, a buckle part used for fixing the Hall proximity switch is arranged on the outer surface of the rear wall of the auxiliary material bottle rack corresponding to each auxiliary material bottle accommodating cavity.

As an optimal scheme, the Hall proximity switches which correspond to the auxiliary material bottle accommodating cavities comprise low-liquid-level Hall proximity switches and high-liquid-level Hall proximity switches, and the low-liquid-level Hall proximity switches and the high-liquid-level Hall proximity switches are respectively arranged corresponding to a low liquid level detection area and a high liquid level detection area of a liquid level sensor in the auxiliary material bottles which correspond to the auxiliary material bottle accommodating cavities.

Preferably, the liquid level indicator is connected with the Hall proximity switches, and the liquid level indicator is connected with the Hall proximity switches.

Preferably, the liquid level prompter is a light display component, an audio device or a display.

As a preferred scheme, an external joint is fixed on each auxiliary material bottle accommodating cavity; when each auxiliary material bottle is accommodated in the corresponding auxiliary material bottle accommodating cavity in a pushing-in mode, the input end of an external connector fixed on the auxiliary material bottle accommodating cavity is inserted into the cavity of the auxiliary material bottle through a butt joint arranged at the front end of the auxiliary material bottle so as to be connected with an internal connector in the auxiliary material bottle in a matching mode; the output end of the external joint is connected with an auxiliary material pump through an external pipe.

As the preferred scheme, the auxiliary material device of the embodiment forms the quick-release device of the auxiliary material pipe joint through the external connector and the internal connector in the auxiliary material bottle, and the external connector and the internal connector in the auxiliary material bottle can be quickly connected and quickly disconnected. When the auxiliary material in the auxiliary material bottle is used up and the auxiliary material needs to be added or the auxiliary material bottle needs to be replaced, the auxiliary material bottle only needs to be pulled out forcefully, and then the internal connection joint and the external connection joint in the auxiliary material bottle can be separated, so that the auxiliary material bottle can be detached quickly. Consequently, but the auxiliary material bottle that this embodiment provided can realize that the bare-handed of auxiliary material bottle is unpack apart fast and be connected in order to change or add the auxiliary material, improves the convenience of using.

As a preferred scheme, each external connector is arranged on the rear wall of the auxiliary material bottle rack in a penetrating manner, and the output end of each external connector extends out of the outer surface of the rear wall of the auxiliary material bottle rack; an auxiliary material pump connected with the output end of the corresponding external connector through an external connecting pipe is arranged on the outer surface of the rear wall of the auxiliary material bottle rack.

Preferably, each external connector is fixed on the rear wall of the auxiliary material bottle rack through a connecting piece.

Preferably, the outer diameter of the external connector is smaller than the inner diameter of the internal connector, and at least one sealing ring is sleeved on the outer wall of the external connector close to the input end to be in sealing connection with the external connector connecting end of the internal connector.

As above-mentioned preferred scheme, this embodiment plays better sealed effect (supplementary product pipe quick detach device is the intermediate mechanism of supplementary product pump inlet pipe way through designing at least one O type sealing washer on external joint, when external joint is connected with supplementary product bottle internal joint (the supplementary product pump can not draw the supplementary product if there is not good phenomenon sealed) in the external joint. A plurality of O-shaped sealing rings can be designed on the external joint preferably, and as long as the internal joint of the auxiliary material bottle is in butt joint with the external joint, the sealing effect can be achieved no matter how deep the auxiliary material bottle is pushed in.

Preferably, the outer wall of the external connector close to the input end is provided with at least one annular groove, and each annular groove is used for being sleeved with at least one sealing ring.

As a preferred scheme, an auxiliary material input port of the auxiliary material pump is connected with an output end of the external connector through the external connecting pipe, and an auxiliary material output port of the auxiliary material pump is connected with an auxiliary material pipe to output auxiliary materials outwards; the controlled end of the auxiliary material pump is electrically connected with a controller to be controlled by the controller.

The embodiment of the utility model provides a frying pan device is still provided, including frying pan and as above arbitrary embodiment the auxiliary material device, each the auxiliary material delivery outlet of auxiliary material pump through the auxiliary material pipe with the inside intercommunication of frying pan.

It can be seen that, since the wok device provided by this embodiment includes the above-mentioned auxiliary material device, it includes all the improved effects of the above-mentioned auxiliary material device, and is not repeated herein.

As the preferred scheme, the frying pan includes the pot body and pot cover, be equipped with the through-hole on the pot cover, each the auxiliary material delivery outlet of auxiliary material pump through the auxiliary material pipe with the through-hole intercommunication.

The embodiment of the utility model provides a machine of cooking is still provided, which comprises a frame, be equipped with frying pan and as above arbitrary embodiment in the frame the auxiliary material device, each the auxiliary material delivery outlet of auxiliary material pump through the auxiliary material pipe with the inside intercommunication of frying pan.

As the preferred scheme, the frying pan includes the pot body and pot cover, be equipped with the through-hole on the pot cover, each the auxiliary material delivery outlet of auxiliary material pump through the auxiliary material pipe with the through-hole intercommunication.

Similarly, since the cooker provided by this embodiment includes the above auxiliary material device, it includes all the improved effects of the above auxiliary material device, and is not described herein again.

Drawings

Fig. 1 is a schematic structural diagram of a cooker in an embodiment of the present invention.

Fig. 2 is the embodiment of the utility model provides an in the embodiment the structure schematic diagram of auxiliary material device, the state that has filled the auxiliary material bottle on the auxiliary material bottle of showing the auxiliary material frame accepts the chamber.

Fig. 3 is a schematic structural diagram of the auxiliary material device in the embodiment of the present invention, which shows the state of accommodating the auxiliary material bottle on the partial auxiliary material bottle accommodating cavity of the auxiliary material frame.

Fig. 4 is the embodiment of the utility model provides an in the embodiment of the structure schematic diagram of auxiliary material device, it realizes the high-speed joint of auxiliary material bottle and unpacks apart to show the auxiliary material coupling quick detach device who constitutes through the internal joint in external joint and the auxiliary material bottle.

Fig. 5a is a schematic structural diagram of an auxiliary material frame of the auxiliary material device in the embodiment of the present invention.

Fig. 5b is a schematic structural diagram of an outer joint of an auxiliary material device in an embodiment of the present invention.

Fig. 6a is a schematic structural diagram of an auxiliary material bottle of the auxiliary material device in the embodiment of the present invention.

Fig. 6b is a partial enlarged view of fig. 6 a.

Fig. 7a to 7b are schematic structural views of the auxiliary material bottle according to the embodiment of the present invention, respectively showing the closed and separated states of the body and the cover.

Fig. 8 is a schematic structural diagram of another angle of the auxiliary material device in the embodiment of the present invention.

Fig. 9 is a partially enlarged view of fig. 8.

Fig. 10 is a schematic structural diagram of an auxiliary material device according to another embodiment of the present invention.

Fig. 11 is a schematic structural view of an auxiliary material rack according to another embodiment of the present invention.

Fig. 12 is a schematic structural view of an auxiliary material bottle according to another embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the embodiment discloses a full-automatic intelligent cooker, which comprises a rack 200, a wok 100, a feeding mechanism 300, an oil fume processing device 400, a lifting mechanism 500, an auxiliary material device 10 and a control system 800, wherein the wok 100 is arranged in the rack, the wok 100 comprises a wok body (including a furnace core 102 and a furnace body 103) and a wok cover 101, the feeding mechanism 300 is arranged above a wok opening of the wok 100, the oil fume processing device 400 is communicated with the wok cover 101, the furnace core 102 is arranged in the furnace body 103, the furnace body 103 is obliquely arranged in the rack 200, and an output end of the lifting mechanism 500 is connected with the furnace body 103 so as to control the wok opening of the furnace core 102 to be covered or opened with the wok cover 101; the auxiliary material device 10 is arranged below the wok 100, and an auxiliary material outlet of an auxiliary material pump of the auxiliary material device 10 is communicated with the wok cover 101 through an auxiliary material pipe 1001. The control system 800 controls the wok 100, the blanking mechanism 300, the oil fume processing device 400, the lifting mechanism 500 and the auxiliary material device 10 to work cooperatively. The auxiliary material pump work of auxiliary material device 10 is controlled through control system 800 to this embodiment to realize that auxiliary material device 10 adds the auxiliary material to frying pan 100 in, and then make the machine of cooking possess the automatic function of adding the auxiliary material, use the convenience of machine of cooking with the improvement user. The specific structure of the auxiliary material device 10 of the present embodiment will be described in detail with reference to the accompanying drawings.

Referring to fig. 2 to fig. 3, a schematic structural diagram of an auxiliary material device 10 according to a first embodiment of the present invention is shown. The auxiliary material device 10 that this embodiment provided includes auxiliary material bottle frame 11 and auxiliary material bottle 12, auxiliary material bottle frame 11 mainly comprises diapire 111, back wall 112 and both sides wall 113 connection, auxiliary material bottle frame 11 is equipped with a plurality of auxiliary material bottles and accepts chamber 110, two adjacent auxiliary material bottles are accepted and are equipped with baffle 114 between the chamber 110. Each auxiliary material bottle accommodating cavity 110 is used for accommodating one auxiliary material bottle 12, and each auxiliary material bottle 12 is used for accommodating different liquid auxiliary materials. During the concrete implementation, be fixed in the fried dish machine with auxiliary material bottle frame 11, adopt the mode of pushing to put into auxiliary material bottle of auxiliary material bottle frame 11 and accept the chamber 110 with auxiliary material bottle 12, be connected through auxiliary material coupling quick detach device between auxiliary material bottle 12 and the auxiliary material bottle frame 11.

The auxiliary material device 10 disclosed in this embodiment constitutes auxiliary material pipe joint quick detach device through the internal connection joint in external joint 13 and the auxiliary material bottle 12, but external joint and the internal connection joint in the auxiliary material bottle quick connect with unpack fast apart to realize that the auxiliary material bottle is demolishd fast and is installed from auxiliary material bottle frame 11, thereby carry out the interpolation of auxiliary material or the replacement of auxiliary material bottle.

With reference to fig. 4 and fig. 5a to fig. 5b, each auxiliary material bottle accommodating cavity 110 of the auxiliary material bottle frame 11 is used for fixing an external connector 13, and when each auxiliary material bottle 12 is completely accommodated in the corresponding auxiliary material bottle accommodating cavity 110, the internal connector in each auxiliary material bottle 12 is just in matching connection with the external connector on the auxiliary material bottle accommodating cavity 110. Specifically, each external connector 13 arranged on the auxiliary material bottle accommodating cavity 110 is fixed on the rear wall 112 of the auxiliary material bottle rack 11, and each auxiliary material bottle 12 is pushed into the auxiliary material bottle accommodating cavity 110 along the front end of the bottom wall 111 of the auxiliary material bottle rack 11 toward the rear end connected with the rear wall 112 so as to be connected with the corresponding external connector 13.

In specific implementation, each external connector 13 is fixed by a connecting member (e.g., a screw) and is inserted into the upper end of the rear wall 112 of the auxiliary material bottle rack 11, so that the input end 131 of each external connector 13 extends into the corresponding auxiliary material bottle accommodating cavity 110, and the output end 132 of each external connector 13 extends out to the outer surface 1120 of the rear wall 112 of the auxiliary material bottle rack 11. The input end 131 of each external connector 13 is used for being inserted into the cavity of the auxiliary material bottle to be connected with the internal connector in the auxiliary material bottle 12 in a matching manner, and the output end 132 of each external connector 13 is connected with an auxiliary material pump 14 through an external connecting pipe 141. It can be understood that each of the external connectors 13 is correspondingly connected to one auxiliary material pump 14, and the auxiliary material pump 14 connected to the output end 132 of a corresponding one of the external connectors 13 through the external connection pipe 141 may also be fixed on the outer surface 1120 of the rear wall 112 of the auxiliary material bottle frame 11 and fixed below the corresponding external connector 13. An auxiliary material input port of each auxiliary material pump 14 is connected to an output end of the external connector 13 through the external connection pipe 141, an auxiliary material output port of each auxiliary material pump 14 is connected to an auxiliary material pipe 1001 (refer to fig. 1) to output an auxiliary material to the outside, and a controlled end of the auxiliary material pump 14 is electrically connected to a controller (for example, a control system 800 of a cooking machine) to be controlled by the controller. The auxiliary material pump 14 is controlled to work, so that the auxiliary material in the auxiliary material bottle is pumped out and flows through the inner connecting pipe 122, the inner connecting joint 121 (refer to fig. 6a), the outer connecting joint 13 and the outer connecting pipe 141 in sequence to reach the auxiliary material pump 14, and then is output outwards through the auxiliary material pipe 1001.

As shown in fig. 5a to 5b, in the present embodiment, each external connector 13 has a cylindrical structure, and the external diameter of the external connector 13 is smaller than the internal diameter of the internal connector of the auxiliary bottle 12. Specifically, the outer wall of the external connector 13 close to the input end 131 is provided with at least one annular groove, and each annular groove is sleeved with an O-ring 130 to realize sealing connection with the internal connector of the auxiliary material bottle 12. This embodiment is through designing at least one O type sealing washer 130 on the external joint, plays better sealed effect when external joint 13 is connected with the internal joint 121 of auxiliary material bottle 12 (supplementary material pipe quick detach device is the intermediate mechanism of supplementary material pump inlet pipe, if there is not good phenomenon of sealing, can lead to the supplementary material pump can not draw the supplementary material). Preferably, a plurality of O-rings 130 may be designed on the external connector, so long as the internal connector 121 of the auxiliary bottle 12 is butted with the external connector 13, no matter how deep the auxiliary bottle is pushed in, the sealing function can be achieved.

Referring to fig. 6a to 6b and fig. 7a to 7b, the detailed structure of the auxiliary material bottle 12 used in the present embodiment is shown. The inner connector 121 and the inner connecting pipe 122 are arranged in the cavity of the auxiliary material bottle 12 disclosed in this embodiment, and the auxiliary material bottle 12 is provided with a butt joint port 123 for communicating the inside and the outside of the cavity of the auxiliary material bottle. The internal joint 121 is in a right-angle structure, one end of the internal joint 121 serves as an internal pipe connection end 1211, the internal pipe connection end 1211 is connected with one end 1221 of the internal pipe 122, and the other end 1222 of the internal pipe 122 extends to the bottom of the cavity of the auxiliary material bottle. The other end of the internal connector 121 serves as an external connector connecting end 1212, and the external connector connecting end 1212 is opposite to the docking port 123.

The auxiliary material bottle 12 that this embodiment provided is through the internal joint 121 that sets up internal union 122 and be connected with internal union 122 inside the cavity to be equipped with the intercommunication on auxiliary material bottle 12 the internal and external butt joint mouth 123 relative with the external joint connecting end 1212 of internal joint of auxiliary material bottle cavity, like this, make the butt joint mouth of auxiliary material bottle aim at external joint 13 and push, can realize that external joint 13 inserts the inside realization of cavity of auxiliary material bottle 12 and the internal joint 121's in the auxiliary material bottle 12 quick connect. When the auxiliary materials in the auxiliary material bottle 12 are used up and the auxiliary materials are required to be added or the auxiliary material bottle 12 is required to be replaced, the auxiliary material bottle 12 is only required to be pulled out forcefully, and then the internal connection joint 121 in the auxiliary material bottle is separated from the external connection joint 13, so that the auxiliary material bottle 12 can be detached quickly. Therefore, the auxiliary material bottle that this embodiment provided can realize that the bare-handed of auxiliary material bottle 12 is unpack apart fast and quick-operation in order to change or add the auxiliary material, improves the convenience of using.

Specifically, the opening size of the external connector connecting end 1212 of the internal connector 121 is smaller than the size of the docking port 123, and the opening center of the external connector connecting end 1212 is flush with the center of the docking port 123. Preferably, the external connection joint connecting end 1212 is directly opposite to the docking port 123, and a distance H exists between the external connection joint connecting end 1212 and the docking port 123. This embodiment is through the internal joint 121 at auxiliary material bottle 12 and to having the certain distance interval between the interface 123, and when its effect was for taking out auxiliary material bottle 12, the auxiliary material in internal joint 122 refluxes under the vacuum negative pressure effect, remains the auxiliary material on external joint 13 and drips in the middle of the interval shifting out the in-process, drips in auxiliary material bottle 12 promptly to it is clean to prevent that the auxiliary material from dripping the influence outside auxiliary material bottle.

Preferably, the size of the distance H is proportional to the size of the opening of the external connector connecting end 1212 of the internal connector 121. The design can make the size of interval be enough to guarantee to remain in the auxiliary material on external joint 13 and drip in the middle of the interval in the process of dialling out.

Specifically, the auxiliary material bottle 12 provided by this embodiment includes a body 1201 with an open top and a cover 1202, and the cover 1202 is detachably connected to the body 1201. Specifically, the cover 1202 is connected to the top of the body 1201 in a press-fit manner. The auxiliary material bottle that this embodiment provided is through adopting body and lid to be connected for dismantling (specifically being connected the lid with the top of body through the mode of pressing the card income to do benefit to and install and maintain inner connecting pipe, inner joint head and level sensor etc. in the auxiliary material bottle, also convenient inside the cavity to the auxiliary material bottle washs.

Preferably, the docking port 123 of the auxiliary material bottle 12 of the present embodiment is disposed on the sidewall 1200 of the main body 1201 and near the top opening. The internal connector 121 provided in the auxiliary material bottle 12 is provided on the inner wall 12020 of the lid body 1202 and is integrally formed with the lid body 1202. By integrally forming the inner connector 121 and the detachable cover 1202, the mold opening manufacturing is facilitated, and the production efficiency and the structure standardization can be improved.

In addition, an auxiliary material adding port 1203 is formed in the cover body 1202, and a top cover plate 1204 (a flip cover plate or a sliding cover plate) is arranged on the auxiliary material adding port 1203 of the cover body 1202 to open or close the auxiliary material adding port 1203. This embodiment has flip formula or slidingtype lamina tecti through the design on removable lid 1202 at the auxiliary material bottle, and the effect adds the auxiliary material for the convenience, and when the auxiliary material was used up in auxiliary material bottle 12, the accessible was opened lamina tecti 1204 and is added the auxiliary material. In addition, still be equipped with on the inner wall of lid 1202 with auxiliary material adds the auxiliary material water conservancy diversion chamber 1205 that the mouth 1203 communicates, the effect is that the auxiliary material that the guide was added passes through inside auxiliary material water conservancy diversion chamber 1205 gets into the cavity of auxiliary material bottle 12.

Preferably, a handle 127 is arranged on the other side wall 1209 of the main body 1201 of the auxiliary material bottle 12 of the embodiment, which is opposite to the side wall 1200 provided with the butt joint port 123, and the handle 1207 is integrally formed with the main body 1201. Specifically, a protrusion 129 (refer to fig. 3) extends outwards from the other side wall 1209 of the body 1201 near the top opening, and the protrusion 129 is provided with a through slot 128 penetrating through the upper and lower surfaces (or left and right surfaces) of the protrusion 129 to form the handle. This embodiment can further be favorable to the bare-handed operation of user to realize taking apart fast and the high-speed joint of auxiliary material bottle 12 through set up the handle 127 that leads to the groove structure at the front end of auxiliary material bottle 12.

Preferably, the auxiliary material bottle 12 provided by this embodiment is provided with a maximum liquid level position (a maximum liquid level scale mark 126 is provided on the auxiliary material bottle 12 corresponding to the maximum liquid level position), and the maximum liquid level scale mark 126 is lower than the position of the pair of interfaces 123. This is designed to effectively prevent the topping material in the topping bottle from overflowing the docking port 123 in the event that there is a sealing problem with the docking port.

With reference to fig. 4 and 8 to 9, as an innovative aspect of the present embodiment, the auxiliary material device 10 of the present embodiment is further provided with a non-contact liquid level sensor for detecting the auxiliary material liquid level condition (liquid level height) in the auxiliary material bottle. Specifically, a floating block positioning column 1261 and a floating block 1262 with a magnet are arranged in each auxiliary material bottle 12, a hall proximity switch is arranged on the outer surface of the rear wall 112 of the auxiliary material bottle rack 11 corresponding to each auxiliary material bottle accommodating cavity 110, when the auxiliary material bottle 12 accommodates the auxiliary material bottle accommodating cavity 110 of the auxiliary material bottle rack 11, the floating block 1262 with the magnet in the auxiliary material bottle 12 can be detected by the corresponding hall proximity switch, so that under the condition of no contact, the auxiliary material liquid level condition (liquid level height) in the auxiliary material bottle 12 accommodating the auxiliary material bottle accommodating cavity 110 can be detected through the hall proximity switch, and the condition that the auxiliary material overflows due to the sealing problem can be effectively avoided by adopting a contact type liquid level sensor. Preferably, the auxiliary material bottle accommodating cavity 110 is provided with a fastener 119 for fixing the hall proximity switch corresponding to each auxiliary material bottle accommodating cavity on the outer surface of the rear wall 112 of the auxiliary material bottle rack 11, so that the hall proximity switch can be quickly and conveniently mounted and fixed on the rear wall 112 of the auxiliary material bottle rack 11 in a fastening mode.

Specifically, the lower end 12611 of the floating block positioning column 1261 arranged in the auxiliary material bottle 12 is connected with the bottom of the auxiliary material bottle 12, the upper end 12610 of the floating block positioning column 1261 is suspended, and the floating block 1262 with the magnet moves between the two ends of the floating block positioning column 1261 under the action of the auxiliary material in the auxiliary material bottle 12 (and cannot be separated from the floating block positioning column 1261).

It will be appreciated that the position of the hall proximity switch needs to correspond to the position of the non-contact level sensor disposed within the accessory bottle 12. For example, in the present embodiment, in order to avoid that the auxiliary material device 10 cannot automatically add the auxiliary material due to the auxiliary material in the auxiliary material bottle 12 being used up, the low liquid level reminding position of the auxiliary material bottle 12 corresponds to the specific position. Specifically, a low liquid level scale mark 136 is arranged at a low liquid level reminding position of the auxiliary material bottle 12, a specific position between two ends of the floating block positioning column 1261 and a lower end of the floating block positioning column 1261 form a low liquid level detection area, and the low liquid level scale mark 136 corresponds to the specific position. Correspondingly, this embodiment corresponds every the auxiliary material bottle accepts the setting of chamber 110 the hall proximity switch is low liquid level hall proximity switch 118, low liquid level hall proximity switch 118 with accept to correspond the low liquid level detection region of level sensor in the auxiliary material bottle 12 that chamber 110 was accepted to the auxiliary material bottle corresponds the setting. Thus, when auxiliary materials are added into the auxiliary material bottle 12, the floating block 1262 with the magnet floats upwards along with the rise of the liquid level of the auxiliary materials and leaves the Hall proximity switch detection area (low liquid level detection area); when the auxiliary material in the auxiliary material bottle is running out soon, the floating block 1262 with the magnet falls back to the bottom of the auxiliary material bottle 12 (reaches or is lower than the low liquid level and reminds the position) to can be detected by the low liquid level hall proximity switch outside the auxiliary material bottle cavity, and send a signal to the controller through the low liquid level hall proximity switch 118 to remind the user to add the auxiliary material or change the auxiliary material bottle.

It can be understood that the auxiliary material device 10 of the present embodiment further includes a controller (or a control system directly using the cooker) and a liquid level indicator (not shown), and the controller is respectively connected to each of the hall proximity switches and the liquid level indicator. Wherein, the liquid level prompting device is a light display component, an audio device or a display.

Like this, when the bottom (arrival or be less than low liquid level and remind the position) that takes the magnet floating block 1262 to fall back auxiliary material bottle 12 can be by low liquid level hall proximity switch detection, hall element on the low liquid level hall proximity switch 118 detection face makes switch internal circuit state change because of producing hall effect, there is magnetic object to exist near discernment from this, hall proximity switch signals of telecommunication, and the controller switches on when receiving the signal of telecommunication, send out the cue signal (lamp signal, sound signal, display reminder information etc.) to the user through the liquid level prompting device, with the warning user adds the auxiliary material to the auxiliary material bottle or changes the auxiliary material bottle.

Next, the working principle of the auxiliary material device 10 provided in the present embodiment is described in detail:

an internal connection joint 121 is designed in each auxiliary material bottle 12, one end of the internal connection joint 121 of the auxiliary material bottle is connected with an internal connection pipe 122, the internal connection pipe 123 vertically reaches the bottom of the auxiliary material bottle, and the other end of the internal connection joint 121 serves as an external connection joint connecting end 1212 and is aligned to a butt joint port 123 on the auxiliary material bottle 12 and communicated with the inside and the outside of the cavity of the auxiliary material bottle. An external connector 13 corresponding to the internal connector 121 of the auxiliary material bottle 12 is mounted on each auxiliary material bottle accommodating cavity 110 of the auxiliary material bottle rack 11, an input end 131 of each external connector 13 is inserted into the cavity of the auxiliary material bottle to be connected with the internal connector in the auxiliary material bottle 12 in a matching manner, and an output end 132 of each external connector 13 is connected with the auxiliary material pump 14 through an external connecting pipe 141. By pushing the auxiliary material bottle 12 into the auxiliary material bottle accommodating cavity 110 of the auxiliary material bottle frame 11, the external connector 13 enters the auxiliary material bottle 12 from the butt joint port 123 to be connected with the internal connector 121, and under the action of the auxiliary material pump 14, the auxiliary material in the auxiliary material bottle 12 is extracted for use. In addition, be equipped with the floating block reference column 1261 and take the magnet floating block 1262 in each auxiliary material bottle 12, when the auxiliary material was used up soon in auxiliary material bottle 12, take the magnet floating block 1262 to fall back auxiliary material bottle bottom (reacing or being less than low liquid level scale mark) to can be detected by the outer low liquid level hall proximity switch 118 of auxiliary material bottle cavity, and through low liquid level hall proximity switch 118 to the controller signals in order to indicate the user to add the auxiliary material or change the auxiliary material bottle. When the user need add the auxiliary material or change the auxiliary material bottle, only need bare-handed taking auxiliary material bottle 12 outwards out can be with the inscription joint 121 and the external joint 123 separation in the auxiliary material bottle 12 to realize taking apart fast of auxiliary material bottle.

Referring to fig. 10 to 12, the auxiliary material device 10 according to a second embodiment of the present invention is schematically illustrated in structure. The auxiliary material device 10 provided by this embodiment is basically the same as the auxiliary material device 10 provided by the first embodiment in structure, and includes an auxiliary material rack 11 and auxiliary material bottles 12, except that the hall proximity switch provided in the auxiliary material rack 11 of this embodiment corresponding to each auxiliary material bottle accommodating cavity 110 includes a low liquid level hall proximity switch 118 for detecting whether the auxiliary material in the auxiliary material bottle is used up, and also includes a high liquid level hall proximity switch 117 for detecting whether the added auxiliary material reaches the maximum limit position of the auxiliary material bottle. Accordingly, the upper end 12610 (free end) of the float positioning post 1261 in each of the auxiliary bottles 12 corresponds to the highest liquid level position of the auxiliary bottle 12. Specifically, the maximum liquid level scale mark 126 is disposed on the auxiliary material bottle 12 corresponding to the maximum liquid level position, and an upper end 12610 (a suspension end) of the floating block positioning column 1261 in each auxiliary material bottle 12 corresponds to the maximum liquid level scale mark 126 disposed on the auxiliary material bottle 12. Another specific position between two ends of the floating block positioning column 1261 and the upper end of the floating block positioning column 1261 form a high liquid level detection area, and the high liquid level hall proximity switch 117 is arranged corresponding to the high liquid level detection area of the liquid level sensor in the auxiliary material bottle 12 which is accommodated in the auxiliary material bottle accommodating cavity 110. When the floating magnet 1262 is in the high level detection region (and an auxiliary material bottle is received in the auxiliary material bottle receiving cavity 110), it can be detected by the corresponding high level hall proximity switch 117. That is, in the present embodiment, a high liquid level detection sensor is added on the basis of the previous embodiment, when the user directly adds the auxiliary material into the auxiliary material bottle 12, the floating block 1262 with the magnet will raise the liquid level of the auxiliary material in the auxiliary material bottle 12 to a high liquid level detection area (reaching or slightly lower than the highest liquid level position) at any time, so as to be detected by the high liquid level hall proximity switch 117, and send a signal to the controller through the high liquid level hall proximity switch to prompt the user to notice that the auxiliary material has reached the highest liquid level position.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (30)

1. The auxiliary material bottle is characterized in that a liquid level sensor is arranged inside a cavity of the auxiliary material bottle, and the liquid level sensor is a non-contact liquid level sensor; the liquid level sensor comprises a floating block positioning column and a floating block with a magnet, and the floating block with the magnet can be detected by a Hall proximity switch arranged outside the cavity of the auxiliary material bottle; the lower end of the floating block positioning column is connected with the bottom of the auxiliary material bottle, the upper end of the floating block positioning column is suspended, and the floating block with the magnet moves between the two ends of the floating block positioning column under the action of the auxiliary material in the auxiliary material bottle.

2. The auxiliary material bottle as claimed in claim 1, wherein a specific position between two ends of the positioning column of the floating block and a lower end of the positioning column of the floating block form a low liquid level detection area, and when the floating block with the magnet is located in the low liquid level detection area, the floating block can be detected by a low liquid level hall proximity switch arranged outside the cavity of the auxiliary material bottle.

3. The accessory bottle of claim 2, wherein the low level alert position of the accessory bottle corresponds to the particular position;

the auxiliary material bottle is provided with a low liquid level scale mark corresponding to the low liquid level reminding position, and the low liquid level scale mark corresponds to the specific position.

4. The auxiliary material bottle as claimed in claim 1, wherein a high liquid level detection area is formed between another specific position between two ends of the floating block positioning column and the upper end of the floating block positioning column, and when the floating block with the magnet is located in the high liquid level detection area, the high liquid level detection area can be detected by a high liquid level hall proximity switch arranged outside the auxiliary material bottle cavity.

5. The auxiliary bottle of claim 4, wherein the upper end of the float positioning post corresponds to a highest liquid level position of the auxiliary bottle;

and a maximum liquid level scale mark is arranged on the auxiliary material bottle corresponding to the highest liquid level position.

6. The auxiliary material bottle according to any one of claims 1 to 5, wherein an inner connector and an inner connecting pipe are arranged inside the cavity of the auxiliary material bottle, and the auxiliary material bottle is provided with a butt joint port for communicating the inside and the outside of the cavity of the auxiliary material bottle; one end of the inner joint is used as an inner joint pipe connecting end, the inner joint pipe connecting end is connected with one end of the inner joint pipe, and the other end of the inner joint pipe extends to the bottom inside the cavity of the auxiliary material bottle; the other end of the internal connector is used as an external connector connecting end, and the external connector connecting end is opposite to the butt joint.

7. The accessory bottle of claim 6, wherein the external connector connection end is directly opposite the docking port, and a space exists between the external connector connection end and the docking port; the size of the distance is in direct proportion to the size of the opening of the external joint connecting end.

8. The accessory bottle of claim 6, wherein the docking port is located in a side wall of the accessory bottle and near a top of the accessory bottle; the maximum liquid level position of the auxiliary material bottle is lower than the position of the butt joint port.

9. The accessory tank of claim 8, wherein the non-contact level sensor is proximate a sidewall where the docking port is located.

10. The accessory bottle of claim 6, wherein the accessory bottle comprises an open-topped body and a lid, the lid being removably connected to the body; the cover body is connected with the top of the body in a pressing and clamping mode.

11. The accessory bottle of claim 10, wherein the internal connector is disposed on an inner wall of the cap body; the inner joint and the cover body are integrally formed.

12. The auxiliary material bottle of claim 10, wherein the cover body is provided with an auxiliary material adding opening, and the cover body is provided with a flip top cover plate or a sliding top cover plate on the auxiliary material adding opening to open or close the auxiliary material adding opening.

13. The auxiliary material bottle of claim 12, wherein an auxiliary material diversion cavity communicated with the auxiliary material adding port is formed in the inner wall of the cover body.

14. The accessory bottle of claim 10, wherein a handle is provided on the body on the side wall opposite the side wall on which the docking port is provided, the handle being integrally formed with the body.

15. An auxiliary material device, characterized in that, including auxiliary material bottle frame and the auxiliary material bottle of any one of claims 1 ~ 14, auxiliary material bottle frame is equipped with a plurality of auxiliary material bottle and accepts the chamber, each auxiliary material bottle accepts the chamber and is used for accepting one the auxiliary material bottle, auxiliary material bottle frame corresponds every auxiliary material bottle accepts the chamber and is equipped with hall proximity switch, hall proximity switch is used for detecting and accepts the non-contact level sensor in the auxiliary material bottle that corresponds auxiliary material bottle accepts the chamber.

16. The accessory device of claim 15, wherein the accessory bottle frame is formed by connecting a bottom wall, a rear wall and two side walls, and a partition plate is arranged between two adjacent accessory bottle accommodating cavities; the auxiliary material bottle accommodating cavity is provided with a Hall proximity switch corresponding to each auxiliary material bottle accommodating cavity on the outer surface of the rear wall of the auxiliary material bottle rack, and the Hall proximity switch is used for detecting a liquid level sensor accommodated in the auxiliary material bottle corresponding to the auxiliary material bottle accommodating cavity.

17. The accessory device of claim 16, wherein a snap member for securing the hall proximity switch is disposed on an outer surface of the rear wall of the accessory bottle housing corresponding to each accessory bottle receiving cavity.

18. The auxiliary material device according to claim 16 or 17, wherein the hall proximity switches provided corresponding to each auxiliary material bottle accommodating chamber include a low liquid level hall proximity switch and a high liquid level hall proximity switch, and the low liquid level hall proximity switch and the high liquid level hall proximity switch are provided corresponding to a low liquid level detection area and a high liquid level detection area of a liquid level sensor accommodated in the auxiliary material bottle corresponding to the auxiliary material bottle accommodating chamber, respectively.

19. The auxiliary material device according to claim 18, further comprising a controller and a liquid level indicator, wherein the controller is connected to each of the hall proximity switches and the liquid level indicator, respectively.

20. The accessory device of claim 19, wherein the level indicator is a light display assembly, an audio device, or a display.

21. The accessory device of claim 15, wherein each of the accessory bottle receiving cavities has an external connector secured thereto; when each auxiliary material bottle is accommodated in the corresponding auxiliary material bottle accommodating cavity in a pushing-in mode, the input end of an external connector fixed on the auxiliary material bottle accommodating cavity is inserted into the cavity of the auxiliary material bottle through a butt joint arranged at the front end of the auxiliary material bottle so as to be connected with an internal connector in the auxiliary material bottle in a matching mode; the output end of the external joint is connected with an auxiliary material pump through an external pipe.

22. The accessory device of claim 21, wherein each external connector is disposed through the rear wall of the accessory bottle housing, and an output end of each external connector extends to an outer surface of the rear wall of the accessory bottle housing; an auxiliary material pump connected with the output end of the corresponding external connector through an external connecting pipe is arranged on the outer surface of the rear wall of the auxiliary material bottle rack.

23. The invention according to claim 22, wherein each of said external connectors is secured to a rear wall of said jar housing by a connector.

24. The auxiliary material device according to claim 21, wherein the outer diameter of the external connector is smaller than the inner diameter of the internal connector, and at least one sealing ring is sleeved on the outer wall of the external connector close to the input end to be in sealing connection with the external connector connecting end of the internal connector.

25. Auxiliary material device according to claim 24, characterized in that the outer wall of the external connection near the input end is provided with at least one annular groove, each annular groove being provided for receiving at least one sealing ring.

26. The auxiliary material device according to claim 21, wherein the auxiliary material inlet of the auxiliary material pump is connected to the output end of the external connector through the external pipe, and the auxiliary material outlet of the auxiliary material pump is connected to the auxiliary material pipe to output the auxiliary material to the outside; the controlled end of the auxiliary material pump is electrically connected with a controller to be controlled by the controller.

27. A frying pan device, which is characterized by comprising a frying pan and the auxiliary material device as claimed in any one of claims 15 to 26, wherein the auxiliary material outlet of each auxiliary material pump is communicated with the inside of the frying pan through an auxiliary material pipe.

28. The device of claim 27 wherein said frying pan comprises a pan body and a pan cover, said pan cover having through holes, each of said auxiliary material pump auxiliary material outlets communicating with said through holes through an auxiliary material tube.

29. A cooker, characterized by comprising a frame, wherein a frying pan and an auxiliary material device according to any one of claims 15-26 are arranged in the frame, and an auxiliary material outlet of each auxiliary material pump is communicated with the inside of the frying pan through an auxiliary material pipe.

30. The cooker of claim 29, wherein said pan comprises a pan body and a pan cover, said pan cover having a through hole, said auxiliary material outlet of each of said auxiliary material pumps being in communication with said through hole through an auxiliary material pipe.

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