CN109393985B - Main box of water dispenser and manufacturing method - Google Patents

Main box of water dispenser and manufacturing method Download PDF

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Publication number
CN109393985B
CN109393985B CN201811509190.4A CN201811509190A CN109393985B CN 109393985 B CN109393985 B CN 109393985B CN 201811509190 A CN201811509190 A CN 201811509190A CN 109393985 B CN109393985 B CN 109393985B
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China
Prior art keywords
water
valve
upper cover
water tank
pump head
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CN201811509190.4A
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CN109393985A (en
Inventor
罗红光
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Oriental Hema Beijing Technology Co ltd
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Oriental Hema Beijing Technology Co ltd
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Priority to CN201811509190.4A priority Critical patent/CN109393985B/en
Publication of CN109393985A publication Critical patent/CN109393985A/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/4403Constructional details
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/46Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/54Water boiling vessels in beverage making machines

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

The invention relates to the technical field of vehicle-mounted water dispensers, in particular to a water dispenser main box and a manufacturing method. The main box of the water dispenser comprises: the device comprises a main machine shell, a main machine box main board, a heating water tank, a peristaltic pump and an electromagnetic double valve; the heating water tank, the peristaltic pump and the electromagnetic double valve are arranged in the main machine shell, and the heating water tank, the peristaltic pump and the electromagnetic double valve are respectively in signal connection with the main machine box main board; the main machine box is convenient to install and use; the heating water tank is arranged in the main box, so that the main box has good sealing performance. The electromagnetic double valve is arranged in the main machine box, so that an interactive structure control mode of drinking boiled water and warm water is realized, and the automatic control function is realized. The peristaltic pump is arranged in the main box, so that a water pumping mode is realized by bidirectional rotation, and scalding is prevented when boiled water is drunk.

Description

Main box of water dispenser and manufacturing method
Technical Field
The invention relates to the technical field of vehicle-mounted water dispensers, in particular to a water dispenser main box and a manufacturing method.
Background
At present, with the progress of technology, the living standard of people is increasingly improved. The production and manufacture of household automobiles and trucks are also rapidly developed, but people enjoy the life of the automobiles and find that no professional drinking equipment exists on the automobiles, and no manufacturer produces the domestic automobiles and trucks at home and abroad at present. Thus, when going out, people need to drink boiled water, which is inconvenient. For a vehicle-mounted water dispenser, how to realize water feeding, heating, boiled water and normal-temperature water interaction control in a vehicle is a technical problem which needs to be solved at present.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a host box of a water dispenser and a manufacturing method thereof, which are used for solving the technical problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in a first aspect, the present invention provides a water dispenser main box, comprising: the device comprises a main machine shell, a main machine box main board, a heating water tank, a peristaltic pump and an electromagnetic double valve;
the heating water tank, the peristaltic pump and the electromagnetic double valve are arranged in the main machine shell, and the heating water tank, the peristaltic pump and the electromagnetic double valve are respectively in signal connection with the main machine box main board;
the heating water tank is provided with a water inlet and an air outlet;
the peristaltic pump is provided with a water inlet and a water outlet;
the electromagnetic double valve includes: a water inlet valve and a water outlet valve;
the first valve port of the water inlet valve is connected with the water inlet of the water storage barrel, the second valve port of the water inlet valve is connected with the water inlet of the peristaltic pump, and the third valve port of the water inlet valve is connected with the tee joint structure;
the first valve port of the water outlet valve is connected with the water inlet of the control box, the second valve port of the water outlet valve is connected with the water outlet of the peristaltic pump, and the third valve port of the water outlet valve is connected with the three-way structure.
As a further technical solution, the heating water tank includes: the water tank comprises a water tank upper cover, a heating pipe, a water level needle, a temperature sensor and a water tank lower cover;
the water level needle is arranged on the upper cover of the water tank;
the temperature sensor is arranged on the upper cover of the water tank;
the end part of the heating pipe is arranged on the upper cover of the water tank, and the heating section of the heating pipe is arranged in a water storage space between the upper cover of the water tank and the lower cover of the water tank;
the water tank upper cover is provided with a water inlet and an exhaust port.
As a further technical solution, the water level needle includes: a first water level needle, a second water level needle and a third water level needle; the lengths of the first water level needle, the second water level needle and the third water level needle are gradually decreased.
As a further technical scheme, the top of the upper cover of the water tank is provided with a T-shaped convex cover;
the T-shaped convex cover is provided with three mounting hole sites for mounting a first water level needle, a second water level needle and a third water level needle, wherein the mounting hole site of the first water level needle is provided with a vertically-prolonged column hole at the bottom of the mounting hole site, and the bottom of the first water level needle extends out of the bottom of the column hole;
the T-shaped convex cover is provided with an exhaust port;
The T-shaped convex cover is provided with a mounting hole site for mounting the temperature-sensing sheath;
two mounting hole sites for mounting the heating pipe are arranged on two sides of the T-shaped convex cover on the upper cover of the water tank.
As a further technical scheme, the water inlet valve and the water outlet valve are of electromagnetic valve structures with the same structure, and the electromagnetic valve structures comprise: the electromagnetic valve comprises an electromagnetic valve upper cover, a silica gel sealing plug, a first core iron, an electromagnetic valve spring, a second core iron, an electromagnetic valve core and an electromagnetic valve coil structure;
the electromagnetic valve upper cover is provided with a first valve port and a second valve port;
the silica gel sealing plug is fixed to the first core iron, and the first core iron, the electromagnetic valve spring and the second core iron are sequentially inserted into the electromagnetic valve core; the electromagnetic valve core is provided with a third valve port, and is inserted into the electromagnetic valve coil structure; the electromagnetic valve upper cover is buckled on the electromagnetic valve coil structure;
when the solenoid valve coil structure is powered off, the silica gel sealing plug of the solenoid valve core seals the first valve port, and the third valve port is communicated with the second valve port; when the solenoid valve coil structure is electrified, the silica gel sealing plug of the solenoid valve core seals the third valve port, and the first valve port is communicated with the second valve port.
As a further technical solution, the electromagnetic double valve includes: a solenoid valve heating film and a direct-insert resistor structure;
the electromagnetic valve heating film is adhered to the electromagnetic valve structure;
the direct-insert resistor structure is fixed on the tee structure;
the electromagnetic valve heating film is arranged in parallel with the electromagnetic valve heating film.
As a further technical solution, the in-line resistor structure includes: the first direct-insert resistor and the second direct-insert resistor are arranged in parallel, and the first direct-insert resistor and the second direct-insert resistor are connected into a ring shape.
As a further technical solution, the main housing includes: the host machine upper cover, the upper cover heating film, the host machine box main board, the bottom cover heating film and the host machine lower cover;
the upper cover heating film is arranged on the inner surface of the upper cover of the host;
the bottom cover heating film is arranged on the inner surface of the lower cover of the host;
the main box main board is inserted into the main machine upper cover/the main machine lower cover;
and the main box main board is respectively connected with the heating water tank, the peristaltic pump and the electromagnetic double valve.
As a further technical solution, the peristaltic pump includes: the device comprises a pump head shell upper cover, a pump head fixing frame upper cover, a pump pipe, a pump head roller pin, a pump head roller, a pump head fixing frame, a pump head shell lower cover and a motor;
The motor is sleeved on the lower cover of the pump head shell;
the pump head fixing frame is connected with an output shaft of the motor, and is driven by the motor to rotate between the upper cover of the pump head shell and the lower cover of the pump head shell;
the two ends of the pump head roller pin are respectively arranged between the upper cover of the pump head fixing frame and the pump head fixing frame through bearing assemblies, and the pump head roller is sleeved on the pump head roller pin and can compress the pump pipe;
the pump pipe is arranged between the upper cover of the pump head shell and the lower cover of the pump head shell, one end of the pump pipe is a water inlet, and the other end of the pump pipe is a water outlet.
In a second aspect, the present invention provides a method for manufacturing a main casing of a water dispenser, comprising:
the method comprises the steps of manufacturing a heating water tank, comprising an injection molding water tank upper cover and an injection molding water tank lower cover, wherein three metal water level pins, a metal temperature sensing sheath and a metal water absorption nozzle are arranged in a mold cavity of the water tank upper cover during injection molding; the water tank lower cover is provided with a nut insert in a mold cavity when in injection molding, and the water tank upper cover and the water tank lower cover are connected in a solution manner through a hot melting machine after being molded to form a heating water tank;
The electromagnetic double valve is manufactured by assembling an electromagnetic valve upper cover, a pump silica gel sealing plug, a first core iron, an electromagnetic valve spring, a second core iron, an electromagnetic valve core and an electromagnetic valve coil structure into a whole to form the electromagnetic double valve;
the peristaltic pump is manufactured by assembling an upper cover of a pump head shell, an upper cover of a pump head fixing frame, a pump pipe, a pump head roller contact pin, a pump head roller, a pump head fixing frame, a lower cover of the pump head shell and a motor into a whole;
manufacturing a main machine shell, wherein the main machine shell comprises an injection molding main machine upper cover and a main machine lower cover;
the assembly of the components includes installing the heating water tank, the electromagnetic double valve and the peristaltic pump onto the lower cover of the main machine, and assembling the upper cover and the lower cover of the main machine into one main machine box.
By adopting the technical scheme, the invention has the following beneficial effects:
the main machine box is convenient to install and use;
the heating water tank is arranged in the main box, so that the main box has good sealing performance.
The electromagnetic double valve is arranged in the main machine box, so that an interactive structure control mode of drinking boiled water and warm water is realized, and the automatic control function is realized.
The peristaltic pump is arranged in the main box, so that a water pumping mode is realized by bidirectional rotation, and scalding is prevented when boiled water is drunk.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a split structure of a main box of a water dispenser according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a split structure of a heating water tank according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a split structure of a peristaltic pump according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a split structure of an electromagnetic dual valve according to an embodiment of the present invention.
Icon: the device comprises a main unit upper cover, a main unit upper cover heating film, a 23-size water connector, a 24-6P aviation plug, a 25-5P power socket, a 26-rear side plate, a 27-main unit box main board, a 29-heating water tank, a 30-bottom cover heating film, a 31-main unit lower cover, a 32-electromagnetic double valve and a 33-peristaltic pump; 41-a water tank upper cover, 42-a heating pipe, 43-a right angle elbow water nozzle, 44-a water suction nozzle, 45-a first water level needle, 46-a temperature sensing sheath, 47-a water tank lower cover, 48-a heating pipe sealing ring, 49-a heating pipe nut, 50-a third water level needle and 51-a second water level needle; 61-of a pump head shell upper cover, 62-of a small bearing, 63-of a pump head fixing frame upper cover, 64-of a pump pipe, 65-of a rotor gasket, 66-of a pump head roller pin, 67-of a pump head roller, 68-of a pump head fixing frame, 69-of a pump head shell lower cover, 70-of a small pump head large gasket, 71-of a motor, 72-of a motor shock pad and 73-of a right-angle water joint; 81-solenoid valve upper cover, 82-silica gel sealing plug, 83-big 0 type sealing ring, 84-first core iron, 85-solenoid valve spring, 86-second core iron, 87-solenoid valve core, 88-tee bend structure, 89-little 0 type sealing ring, 90-solenoid valve coil structure.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Example 1
Referring to fig. 1 to 4, a first embodiment provides a main box of a water dispenser, which includes: the main machine shell, the main machine box main board 27, the heating water tank 29, the peristaltic pump 33 and the electromagnetic double valve 32; the heating water tank 29, the peristaltic pump 33 and the electromagnetic double valve 32 are arranged in the main machine shell, and the three are respectively in signal connection with the main machine box main board 27; the heating water tank 29 has a water inlet and an air outlet; the peristaltic pump 33 has a water inlet and a water outlet; the electromagnetic double valve 32 includes: a water inlet valve and a water outlet valve; the first valve port of the water inlet valve is connected with the water inlet of the water storage barrel, the second valve port of the water inlet valve is connected with the water inlet of the peristaltic pump 33, and the third valve port of the water inlet valve is connected with the tee structure 88; the first valve port of the water outlet valve is connected with the water inlet of the control box, the second valve port of the water outlet valve is connected with the water outlet of the peristaltic pump 33, and the third valve port of the water outlet valve is connected with the three-way structure 88.
When the main box main board 27 receives a heating instruction, the water inlet valve is controlled to be electrified, the peristaltic pump 33 rotates according to a first direction, and the water outlet valve is powered off, so that water in the water storage barrel enters the heating water tank 29 through the first valve port of the water inlet valve, the second valve port of the water inlet valve, the water inlet of the peristaltic pump 33, the water outlet of the peristaltic pump 33, the second valve port of the water outlet valve, the third valve port of the water outlet valve and the three-way structure 88.
When the main box main board 27 receives a hot water receiving instruction, the water inlet valve is controlled to lose electricity, the peristaltic pump 33 rotates according to a first direction, and the water outlet valve is powered, so that water in the heating water tank 29 enters the water inlet of the control box through the three-way structure 88, the third valve port of the water inlet valve, the second valve port of the water inlet valve, the water inlet of the peristaltic pump 33, the water outlet of the peristaltic pump 33, the second valve port of the water outlet valve and the first valve port of the water outlet valve, and flows out from the water outlet of the control box. After the hot water is received, the control box starts a back pumping function, the power failure of the water inlet valve is controlled, the peristaltic pump 33 rotates in the second direction, the water outlet valve is powered, and the redundant water in the pipeline is pumped back into the heating water tank 29.
When the main box main board 27 receives a hot water receiving instruction, the water inlet valve is controlled to be electrified, the peristaltic pump 33 rotates according to a first direction, and the water outlet valve is electrified, so that water in the water storage barrel enters the water inlet of the control box through the first valve port of the water inlet valve, the second valve port of the water inlet valve, the water inlet of the peristaltic pump 33, the water outlet of the peristaltic pump 33, the second valve port of the water outlet valve and the first valve port of the water outlet valve, and flows out from the water outlet of the control box. After the normal-temperature water is received, the control box starts a back pumping function, the water inlet valve is controlled to be electrified, the peristaltic pump 33 rotates in the second direction, and the water outlet valve is electrified to pump the redundant water in the pipeline back into the water storage barrel.
In this embodiment, preferably, the heating water tank 29 includes: a tank upper cover 41, a heating pipe 42, a water level needle, a temperature sensor, and a tank lower cover 47; the water level needle is arranged on the upper cover 41 of the water tank; the temperature sensor is provided to the tank upper cover 41; the end part of the heating pipe 42 is arranged on the upper water tank cover 41, and the heating section of the heating pipe 42 is arranged in a water storage space between the upper water tank cover 41 and the lower water tank cover 47 (the heating pipe 42 is fixed by a heating pipe sealing ring 48 and a heating pipe nut 49); the tank upper cover 41 is provided with a water inlet and an air outlet.
As a further technical solution, the water level needle includes: a first water level needle 45 (long), a second water level needle 51 (medium), and a third water level needle 50 (short); the lengths of the first water level needle 45 (long), the second water level needle 51 (medium), and the third water level needle 50 (short) decrease in sequence.
Further, a T-shaped protruding cover is provided on the top of the upper tank cover 41; the T-shaped convex cover is provided with three mounting hole sites for mounting the first water level needle 45, the second water level needle 51 and the third water level needle 50, wherein the mounting hole site of the first water level needle 45 is provided with a vertically-extending column hole at the bottom of the mounting hole site, and the bottom of the first water level needle 45 extends out of the bottom of the column hole, so that the situation that the heating water tank 29 is inverted can be detected; the T-shaped convex cover is provided with an exhaust port; the T-shaped convex cover is provided with a mounting hole site for mounting a temperature sensing sheath 46 (the temperature sensing sheath 46 is used for mounting a temperature sensor); two mounting hole sites for mounting the heating pipe 42 are arranged on two sides of the T-shaped convex cover of the water tank upper cover 41; the tank upper cover 41 is provided with a mounting hole for connecting the right-angle elbow water nozzle 43.
Further, the main function of the tank lower cover 47 is to store water, and its main shape can be a cubic container.
The water outlet nozzle of the water tank can be kept at the lowest position for realizing the three-direction placement of the water tank. Preferably, the three directions of the water tank can be a direction (left surface), a direction (front surface) and a direction (bottom surface), wherein special functional structures are arranged at three-way corner positions, the functional structures comprise an A outward expansion inclined plane, a B outward expansion inclined plane and a C outward expansion inclined plane, the A outward expansion inclined plane forms a certain included angle with the A direction of the lower water tank cover 47, the B outward expansion inclined plane forms a certain included angle with the B direction of the lower water tank cover 47, the C outward expansion inclined plane forms a certain included angle with the C direction of the lower water tank cover 47, and the A outward expansion inclined plane, the B outward expansion inclined plane and the C outward expansion inclined plane mutually intersect to form one corner of the water tank (the right angle elbow water nozzle 43 is also arranged at the position of the corner). Wherein when the tank is placed in the direction C (as shown in fig. 2), its lowest level is always at the corner position. When the water tank is placed in the direction A, the lowest liquid level of the water tank is always positioned at the corner. When the water tank is arranged in the line B, the lowest liquid level is always positioned at the corner. Of course, the angles between the outward expansion inclined plane A, the outward expansion inclined plane B and the outward expansion inclined plane C and the respective surfaces can be flexibly set, for example: 5-20 deg..
In this embodiment, preferably, the water inlet valve and the water outlet valve are of solenoid valve structures with the same structure, and the solenoid valve structures include: the electromagnetic valve comprises an electromagnetic valve upper cover 81, a silica gel sealing plug 82, a first core iron 84, an electromagnetic valve spring 85, a second core iron 86, an electromagnetic valve core 87 and an electromagnetic valve coil structure 90; the electromagnetic valve upper cover 81 is provided with a first valve port and a second valve port (normally open); the silica gel sealing plug 82 is fixed to the first core iron 84, and the first core iron 84 (long), the solenoid valve spring 85, and the second core iron 86 (short) are sequentially inserted into the solenoid valve core 87; the solenoid valve spool 87 has a third port, and the solenoid valve spool 87 is inserted into the solenoid valve coil structure 90; the solenoid valve upper cover 81 is fastened to the solenoid valve coil structure 90.
Preferably, the side surface of the second core iron 86 is provided with an inclined surface structure, which is convenient for installation. In this embodiment, a chuck for mounting a spring is provided at the upper end of the second core iron 86 and the lower end of the first core iron 84. Furthermore, the provision of two core irons can increase the operating efficiency of the solenoid valve.
When the solenoid valve coil structure 90 is powered off, the silica gel sealing plug 82 of the solenoid valve core 87 seals the first valve port (the silica gel sealing plug 82 is connected to a water gap position connected with the first valve port inside the solenoid valve upper cover 81 in a sealing manner), and the third valve port is communicated with the second valve port.
When the solenoid valve coil structure 90 is powered on, the silica gel sealing plug 82 of the solenoid valve core 87 seals the third valve port (when the power is on, the first core iron 84 and the second core iron 86 are attracted, the solenoid valve spring 85 is compressed to drive the silica gel sealing plug 82 to move downwards, the silica gel sealing plug 82 is connected to the water gap position inside the solenoid valve core 87 and connected with the third valve port in a sealing manner), and the first valve port is communicated with the second valve port.
Further, the electromagnetic double valve 32 includes: a solenoid valve heating film and a direct-insert resistor structure; the electromagnetic valve heating film is adhered to the electromagnetic valve structure; the in-line resistor structure is fixed to the tee structure 88; the electromagnetic valve heating film is arranged in parallel with the electromagnetic valve heating film.
Preferably, the in-line resistor structure includes: the first direct-insert resistor and the second direct-insert resistor are arranged in parallel, and the first direct-insert resistor and the second direct-insert resistor are connected into a ring shape.
In this embodiment, preferably, the main chassis includes: a host upper cover 21, an upper cover heating film 22, a host box main board 27, a bottom cover heating film 30, and a host lower cover 31; the upper cover heating film 22 is disposed on the inner surface of the upper cover 21 of the host; the bottom cover heating film 30 is disposed on the inner surface of the host bottom cover 31; the main body case board 27 is inserted into the main body upper cover 21/main body lower cover 31 (the position is not limited); the main box main board 27 is respectively connected with the heating water tank 29, the peristaltic pump 33 and the electromagnetic double valve 32.
In this embodiment, the main body of the main body lower cover 31 is preferably rectangular parallelepiped. Wherein, a limit groove for installing the electromagnetic double valve 32 is arranged in the host lower cover 31; a limit column for installing a peristaltic pump 33 is arranged in the lower cover 31 of the host; the side portion of the main unit lower cover 31 is provided with a card slot structure for mounting the rear side plate 26, and the rear side plate 26 is inserted into the card slot structure together with the main unit box main plate 27. The rear side plate 26 is provided with three clamping holes of water connectors 23 (two water receiving holes and one air receiving hole); the rear side plate 26 is also provided with mounting holes for mounting the 6P aerial plug 24, 5P power outlet 25.
In this embodiment, the upper cover 21 of the host is preferably provided with a heat dissipation hole, and its shape is adapted to the lower cover 31 of the host.
In this embodiment, preferably, the peristaltic pump 33 includes: pump head housing upper cover 61, pump head holder upper cover 63, pump tube 64, pump head roller pin 66, pump head roller 67, pump head holder 68, pump head housing lower cover 69, and motor 71; the motor 71 is sleeved on the pump head shell lower cover 69 (preferably, a small pump head large gasket 70 is arranged between the pump head shell lower cover 69 and the motor 71 shell); the pump head fixing frame 68 is connected with an output shaft of the motor 71, and is driven by the motor 71 to rotate between the pump head housing upper cover 61 and the pump head housing lower cover 69 (forward and reverse rotation is realized, so that water inlet and water outlet functions are realized); the two ends of the pump head roller pin 66 are respectively installed between the pump head fixing frame upper cover 63 and the pump head fixing frame 68 through bearing assemblies (such as a small bearing 62 and a rotor gasket 65), and the pump head roller 67 is sleeved on the pump head roller pin 66 and can compress the pump pipe 64; the pump pipe 64 is arranged between the pump head housing upper cover 61 and the pump head housing lower cover 69, one end of the pump pipe 64 is a water inlet (used for connecting the right-angle water joint 73), and the other end of the pump pipe 64 is a water outlet (used for connecting the right-angle water joint 73); the motor 71 drives the pump head fixing frame 68 to rotate, and then drives the pump head roller pin 66 and the pump head roller 67 to rotate (the pump head roller 67 can rotate around the pump head roller pin 66), and the two pump head rollers 67 are alternately pressed on the outer wall of the pump pipe 64, so that liquid enters the pump pipe 64 from the water inlet and flows out of the pump pipe 64 from the water outlet.
Preferably, peristaltic pump 33 is provided with heating membranes disposed on pump head housing upper cover 61 and pump head housing lower cover 69; of course, the particular shape of the heating film may depend on the size and shape of peristaltic pump 33.
Preferably, the water storage barrel is provided with a general rubber plug.
The universal rubber plug comprises: the water tank comprises an air-vent water stop valve, a rubber plug water-feeding connector, a rubber plug air-discharging connector and a water tank rubber plug; the water bucket rubber plug is provided with an exhaust hole, and the ventilation water stop valve is connected to the exhaust hole and used for balancing positive and negative pressure differences in the water bucket; the water bucket rubber plug is provided with a water outlet hole, and a rubber plug water supply joint is connected with the water outlet hole; the water bucket rubber plug is provided with a water return hole, and the rubber plug exhaust joint is connected with the water return hole; the lower end of the water barrel rubber plug is provided with a rotary sealing part.
As a further technical solution, the universal rubber plug further comprises: a silicone tube assembly; the inside of silica gel pipe assembly wears to be equipped with the ice-melt silk, silica gel pipe assembly respectively with plug water supply connector, plug exhaust connector.
As a further technical solution, the silicone tube assembly includes: the first silicone tube, the second silicone tube, the third silicone tube and the ice melting wire;
The plug-in part of the plug-in water connector is inserted into the water outlet hole and is connected with the third silica gel pipe, and the connecting part of the plug-in water connector is connected with the first silica gel pipe;
the rubber plug exhaust connector is provided with an L-shaped plug-in part and a connecting part, the plug-in part of the rubber plug exhaust connector is inserted into the water return hole, and the connecting part of the rubber plug exhaust connector is connected with the second silicone tube;
one end of the ice melting wire sequentially passes through the first silicone tube, the connecting part of the rubber plug water supply connector and the plug-in part of the rubber plug water supply connector to enter the third silicone tube, and is folded back to the plug-in part of the rubber plug exhaust connector and the connecting part of the rubber plug water supply connector along the inside of the third silicone tube from the tail end of the third silicone tube to enter the second silicone tube.
As a further technical scheme, the bottom of cask plug is provided with the holding tank that is used for placing the ice-melt silk, the one end and the apopore of holding tank are connected, the other end and the return water hole of holding tank are connected.
As a further technical scheme, the upper end of the water bucket rubber plug is provided with a mounting seat;
The mounting seat is provided with a water outlet and a water return hole which are communicated with the rotary sealing part;
the mounting seat is provided with an exhaust hole penetrating through the rotary sealing part.
As a further technical scheme, the diameter of the mounting seat is larger than the diameter of the rotary sealing part.
As a further technical scheme, the edge of the mounting seat is provided with an opening-shaped protection ring, and the two rubber plug water connectors are arranged in parallel at the opening position of the protection ring.
As a further technical scheme, the exhaust hole is formed in the middle of the guard ring.
As a further technical scheme, the lower end of the ventilation water stop valve is provided with a sealing part matched with the exhaust hole.
As a further technical scheme, the diameter of the spin seal part at the lower end of the water bucket rubber plug is 18.5mm.
In order to more clearly describe the use state of the universal rubber plug, the universal rubber plug is arranged at the mounting port of the water storage barrel, and the third silica gel pipe extends into the bottom of the water storage barrel. The outside of the main box of the water dispenser is provided with a first connector for connecting with a first valve port of a water inlet valve, a second connector for connecting with an exhaust port of a heating water tank and a third connector for connecting with the first valve port of a water outlet valve;
The first connector is connected with an ice melting pipeline, the tail end of the ice melting pipeline is provided with a metal quick connector, an ice melting wire (Teflon heating wire) is arranged in the ice melting pipeline, one end of the ice melting wire is connected with the main box main board, and the other end of the ice melting wire is connected with the metal quick connector (in a conductive state). The metal quick connector of the ice melting pipeline of the first connector is connected with the metal quick connector of the first silicone tube of the universal rubber plug (the end part of the first silicone tube of the universal rubber plug is provided with the metal quick connector, and the inside of the quick connector is connected with the ice melting wire inside the first silicone tube).
The second connector is connected with an ice melting pipeline, the tail end of the ice melting pipeline is provided with a metal quick connector, an ice melting wire (Teflon heating wire) is arranged in the ice melting pipeline, one end of the ice melting wire is connected with the main box main board, the other end of the ice melting wire is connected with the metal quick connector (in a conductive state), the metal quick connector of the ice melting pipeline of the second connector is connected with the metal quick connector of the second silicone tube of the universal rubber plug (the end part of the second silicone tube is provided with the metal quick connector, and the interior of the quick connector is connected with the ice melting wire in the second silicone tube).
At the moment, the main box main board, the ice melting wires of the ice melting pipeline of the first connector, the connected metal quick connector, the ice melting wires of the first silicone tube of the general rubber plug, the ice melting wires of the second silicone tube of the general rubber plug, the connected metal quick connector and the ice melting wires of the ice melting pipeline of the second connector form a conductive loop. In this embodiment, the main box main board can control the ice melting wire to heat, that is, the metal quick connector realizes the function of water and electricity after connection.
For a control box, it includes: the control box comprises a control box shell, a control box main board, a trigger mechanism and a mounting connecting piece; the control box shell is provided with a water inlet and a water outlet; the control box shell is provided with a mounting connecting piece for fixing the inside of the vehicle; the trigger mechanism is arranged on the control box shell and is used for inputting various action instructions to the control box main board, and the control box main board sends various action instructions to a host box of the water dispenser.
As a further technical solution, the mounting connection member includes: the magnetic attraction piece, the control box clamping seat and the buckle backboard; the magnetic attraction piece is used for being detachably connected with an attraction part arranged in the vehicle; one side of the control box clamping seat is provided with an adhesive part connected with the magnetic attraction piece, the other side of the control box clamping seat is provided with a clamping part, and two ends of the clamping part are provided with clamping column structures and adjusting convex edges positioned between the two clamping column structures; the control box comprises a control box shell, wherein a control box cover is arranged on the control box shell, and a control box cover is arranged on the control box shell; the buckle backplate has two mounting holes, and be provided with two pothook structures on the buckle backplate, the mounting hole of buckle backplate pass through the fastener realize with the connection of control box casing, the pothook structure correspond insert behind the longitudinal groove with card post structure joint, adjust the bead with U type groove grafting.
As a further technical solution, the mounting connection member includes: a control box fixing cap, a control box fixing seat and a buckle backboard; the control box fixing cap is used for being arranged at the position in the vehicle; the control box fixing seat is provided with a hanging part matched with the control box fixing cap, and the control box fixing seat is provided with a fixing part used for being installed on the control box shell.
As a further technical solution, the triggering mechanism includes: a key switch; the key switch is arranged in the control box shell and is connected with the control box main board. As a further technical solution, the triggering mechanism includes: an infrared induction bracket; the infrared induction bracket is provided with a U-shaped clamping mouth which is arranged downwards, and induction ports are arranged on two opposite side walls of the U-shaped clamping mouth; the position of the infrared induction support corresponding to the induction port is provided with a U-shaped infrared sensor, the infrared sensor is connected with the control box main board signal, and the infrared induction support is provided with a mounting hole for mounting the water outlet nozzle.
As a further technical scheme, the control box main board is connected with a spiral line, and one end of the spiral line is provided with an aviation plug used for being connected with the main box; the spiral line is spirally wound on the water pipe along the length direction of the water pipe;
One end of the water pipe is connected with a water inlet nozzle, the water inlet nozzle is arranged at the water inlet of the control box shell, and the other end of the water pipe is connected with the main box. As a further technical solution, the control box housing includes: a lower cover and an upper cover; the lower cover and the upper cover can be buckled into a whole to form a ball-shaped structure.
As a further technical scheme, a notch part for installing an infrared induction bracket is arranged at the bottom of the lower cover, a through hole for installing a water inlet nozzle is arranged at the center line position of the bottom of the lower cover, and a first column hole structure, two second column hole structures, two third column hole structures, two fourth column hole structures and two fifth limit columns are sequentially arranged on the lower cover from top to bottom; the first column hole structure is arranged on the wall of the through hole; the two second column hole structures are symmetrically arranged relative to the central line of the lower cover, and the two second column hole structures are matched with the first column hole structures for use to fix the lower cover and the upper cover; the two third column hole structures are symmetrically arranged relative to the central line of the lower cover and are used for being connected with the buckle backboard; the two fourth column hole structures are symmetrically arranged relative to the central line of the lower cover and are used for being connected with the main board of the control box, and a dislocation space for coiling the silicone tube is formed between the fourth column hole structures and the second column hole structures on the corresponding side of the fourth column hole structures; the two fifth limiting columns are symmetrically arranged relative to the central line of the lower cover and used for supporting the back side of the control box main board.
As a further technical scheme, the bottom of the upper cover is provided with notch parts, and the respective notch parts form a space for limiting the infrared induction bracket when the lower cover is buckled with the lower cover; the infrared induction bracket is provided with a through hole for installing a water outlet nozzle, the upper cover is provided with a display slot hole and a key slot hole, the display slot hole is used for installing a display screen, the key slot hole is used for installing a control box key, and the control box key and the display screen are respectively connected with the control box main board; the control box main board is fixed through the two fourth column hole structures; one end of the silicone tube is connected with the water inlet nozzle, the other end of the silicone tube is connected with the water outlet nozzle, and the silicone tube is coiled on the lower cover.
Example two
The second embodiment also provides a method for manufacturing a main box of a water dispenser, which includes:
s1, manufacturing a heating water tank 29, comprising an injection molding water tank upper cover 41 and an injection molding water tank lower cover 47, wherein three metal water level needles, a metal temperature sensing sheath 46 and a metal water absorption nozzle 44 are arranged in a mold cavity of the water tank upper cover 41 during injection molding; the lower cover 47 is provided with a nut insert in its cavity during injection molding, and the upper cover 41 and the lower cover 47 are melted by a hot melting machine to form the heating water tank 29 after molding.
Specifically, the injection molding process of the tank upper cover 41 and the tank lower cover 47: the upper cover mold cavity is respectively provided with a long metal water level needle, a medium metal water level needle and a short metal water level needle, a metal temperature sensing sheath 46 and a metal water absorption nozzle 44 which are arranged in the mold cavity, then three nut inserts are arranged in the lower cover mold cavity, and after all the inserts are arranged in place, the mold is closed for injection molding, so that all the inserts are welded with the plastic. Welding of the tank upper cover 41 and the tank lower cover 47: the heating pipe 42 is fastened to the upper tank cover 41 by nuts and sealing rings of the heating pipe 42, and then the upper tank cover 41 and the lower tank cover 47 are welded together by a hot-melting machine to be integrated and have excellent sealing performance.
S2, manufacturing the electromagnetic double valve 32, wherein the electromagnetic double valve 32 is formed by integrally assembling an electromagnetic valve upper cover 81, a pump silica gel sealing plug 82, a first core iron 84, an electromagnetic valve spring 85, a second core iron 86, an electromagnetic valve core 87 and an electromagnetic valve coil structure 90.
Specifically, the core iron E (second core iron 86) is vertically pressed against the bottommost portion of the solenoid valve spool 87 using a press machine, taking the condition that the pressing is stationary or the rebound phenomenon occurs as a standard. Then two small O-shaped sealing rings 89 are sleeved on the valve core, a sealing plug is sleeved on the core iron B (the first core iron 84), and a large O-shaped sealing ring 83 is sleeved on the electromagnetic valve upper cover 81. The completed solenoid valve spool 87 is then inserted into the solenoid valve coil, and then a spring is placed in the solenoid valve spool 87 and is fitted into the spool together with the spool E (second spool 86). The assembled solenoid valve upper cover 81 is fastened to the solenoid valve spool 87 (left and right valves are installed in the same manner). The left valve and the right valve are connected by a solenoid valve tee joint. The electromagnetic valve upper cover 81 is assembled, and 8 self-tapping screws are fastened by an electric screwdriver. The left valve and the right valve are separated, the solenoid valve wire is sleeved with the heat shrinkage tube and respectively welded on the wiring terminals of the solenoid valve coil, and the heat shrinkage tube is used for heat shrinkage after welding. Two direct-insert resistors are taken, two ends of the direct-insert resistors are butted into a ring shape, two connecting wires are taken, the two connecting wires are welded at two ends of the resistors respectively, a tee joint on the electromagnetic valve is taken down, a silicone tube is inserted, and the two connecting wires are tied by using a binding belt. The fabricated in-line resistor was then secured to the tee using Huang Pijin. The silicone tubes cut according to the specification are respectively inserted on the electromagnetic valve, and the left valve (public end): right valve (common port): left valve (water outlet end): right valve (water supply end): two large and small water connectors 23 are respectively connected to the water outlet pipe and the water inlet pipe end, the tee joint is connected, and finally each connector is fastened by a binding belt. And (3) taking a solenoid valve heating film, respectively welding a connecting wire on welding spots of the solenoid valve heating film, tearing off the self-adhesive protective film on the solenoid valve heating film, and bonding the self-adhesive protective film with the prepared solenoid valve. Connecting the connecting wire on the direct-insert resistance ring to the heating film of the electromagnetic valve in parallel, and binding the heating film and the electromagnetic valve firmly by using a binding belt.
S3, manufacturing the peristaltic pump 33, wherein the peristaltic pump 33 is formed by integrally assembling the pump head housing upper cover 61, the pump head fixing frame upper cover 63, the pump pipe 64, the pump head roller pin 66, the pump head roller 67, the pump head fixing frame 68, the pump head housing lower cover 69 and the motor 71.
Specifically, one side of the pump head roller pin 66 is inserted into two sides of the pump head fixing frame 68; one side of the rotor washer 65 is sleeved with a pump head roller pin 66 respectively; one side of the small bearing 62 is sleeved with a pump head roller pin 66 respectively; one side of the pump head roller 67 is sleeved with the pump head roller pin 66 respectively; one side of the small bearing 62 is sleeved with the pump head roller pin 66 respectively and sleeved with the pump head roller 67; one side of the rotor gasket is sleeved with the roller pin respectively, and then the upper cover 63 of the pump head fixing frame is buckled. The motor shock pad 72 is sleeved into the motor 71, then the silica gel pad is sleeved on the motor 71 shaft, the pump head shell lower cover 69 is buckled on the hole site, the screw holes are buckled, 4 screws are taken and respectively put into the screw holes, and the screw holes are screwed. The special lubricating oil for the pump pipe 64 is uniformly smeared on the pump pipe 64, the water joint end of the pump pipe 64 is aligned with the pipe notch of the lower cover 69 of the pump head shell, and the pump pipe is horizontally pressed in. After the small bearing 62 is put into the hole in the pump head housing upper cover 61, the pump head housing lower cover 69 is fitted. 4 bolts are inserted into the bottoms of the screw holes, and the water joint end is fixed by 2 nuts and is screwed.
S4, manufacturing a main machine shell, wherein the main machine shell comprises an injection molding main machine upper cover 21 and a main machine lower cover 31.
Specifically, the appearance and the structure of the plastic product are designed, and the nut inserts are designed for the upper shell and the lower shell to be firmly assembled; opening a plastic mold according to a designed digital-analog drawing; when the injection molding machine is used for injection molding, a nut embedding element is firstly placed in a mold, then the mold is closed, and products are produced under injection molding parameters such as a certain heating temperature, injection molding pressure, pressure maintaining time and the like.
S5, assembling the manufactured components, namely mounting the heating water tank 29, the electromagnetic double valve 32 and the peristaltic pump 33 on the host lower cover 31, and combining the host upper cover 21 and the host lower cover 31 into a whole to form a host box.
Specifically, 1. A set of host shell is taken by taking an upper cover heating film 22, welding an upper air-connection socket, separating a host upper cover 21 from a host lower cover 31, tearing off the self-adhesive protective film from the upper cover heating film 22 welded with the upper air-connection socket, and attaching the self-adhesive protective film to the host upper cover 21. 2. The motor 71 is sleeved with a heat shrink tube, the heat shrink tube is welded on a binding post of the motor 71, a red mark position on the motor 71 is welded with a black wire, and the red wire is welded on another mark. 3. The solenoid valve heating film upper connecting wire takes one red wire (long) with the seven-core ice melting wire and the pump head housing upper cover 61 connecting wire takes one (three-wire in one), and is welded to the insert terminal on the pump head housing lower cover 69. The other line operates the same. 4. Peristaltic pump 33 and attached solenoid double valve 32 were secured to host lower cover 31 with 4 screws. 5. A heating film and heat insulation cotton are attached to the water inlet and outlet nozzles of the heating water tank 29, the heating water tank 29 is fixed on the lower cover 31 of the host machine by 3 screws, and the short black lines and the short red lines on the seven-core ice melting line are welded on the heating film of the water tank respectively. 6. The tee small pipe is inserted into the right-angle water outlet and is fastened by a binding belt. 7. The rubber tube above the left valve of the solenoid valve is inserted into the pump tube 64 below the peristaltic pump 33, (similarly, the tube above the right valve of the solenoid valve is inserted into the tube above the peristaltic pump 33) and is tied up with a tie. 8. The pipe with the length of 1CM is inserted into the air hole, one end of the right-angle elbow is inserted into the air hole again, and the other end of the right-angle elbow is tightly inserted by the pipe with the length of 11 CM. 9. The combined rear side plate 26 is inserted into a clamping groove of a lower cover of a host shell, a right valve wire of an electromagnetic valve is inserted onto a VAR1 port of a main board, a left valve wire is inserted onto a VAR2 port, a MOTOR 71 wire is inserted into a MOTOR port, a temperature sensing wire is inserted into a J5 port, a water leakage detection wire is inserted into a J4 port, a water level pin plug is inserted into a J3 port, a seven-core ice melting wire plug is inserted into an NTC port, 705 glue is smeared on the NTC port and the J8, the main board is placed on the host shell, and 705 glue is smeared.
10. Welding water level needle lines: and (3) taking down the nut of the heating pipe 42, sleeving the ground wire port into the bolt of the heating pipe 42, and screwing the nut. 11. The wire on J7 on the motherboard is soldered to the A point on the heating water tank 29 and the wire on J1 is soldered to the B point on the heating water tank 29. 12. The thermal silicone grease is squeezed into the opening of the temperature-sensitive sheath 46 on the heating water tank 29, and a temperature sensor (temperature sensor) is inserted and sealed with glue. 13. The outlet pipe on the left solenoid valve (from the rear side plate 26 direction) is inserted into the rear side plate 26A groove, the air pipe is inserted into the B groove, and the upper return pipe of the right solenoid valve is inserted into the C groove. 14. After detection, an upper cover of the shell is installed, (an empty socket on the upper cover is well connected with a plug on the seven-core ice melting wire, and the upper cover and the lower cover are screwed by 4 screws.
By adopting the technical scheme, the invention has the following beneficial effects:
the main machine box is convenient to install and use;
the main box of the invention is internally provided with the heating water tank 29, and has good sealing performance.
The electromagnetic double valve 32 is arranged in the main machine box, so that an interactive structure control mode of drinking boiled water and warm water is realized, and the automatic control function is realized.
The peristaltic pump 33 is arranged in the main box, so that a water pumping mode is realized by bidirectional rotation, and scalding is prevented when boiled water is drunk.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (8)

1. A water dispenser main unit case, comprising: the device comprises a main machine shell, a main machine box main board, a heating water tank, a peristaltic pump and an electromagnetic double valve;
the heating water tank, the peristaltic pump and the electromagnetic double valve are arranged in the main machine shell, and the heating water tank, the peristaltic pump and the electromagnetic double valve are respectively in signal connection with the main machine box main board;
the heating water tank is provided with a water inlet and an air outlet;
the peristaltic pump is provided with a water inlet and a water outlet;
the electromagnetic double valve includes: a water inlet valve and a water outlet valve;
the first valve port of the water inlet valve is connected with the water inlet of the water storage barrel, the second valve port of the water inlet valve is connected with the water inlet of the peristaltic pump, and the third valve port of the water inlet valve is connected with the tee joint structure;
The first valve port of the water outlet valve is connected with the water inlet of the control box, the second valve port of the water outlet valve is connected with the water outlet of the peristaltic pump, and the third valve port of the water outlet valve is connected with the three-way structure;
the control box includes: the control box comprises a control box shell, a control box main board, a trigger mechanism and a mounting connecting piece; the control box shell is provided with a water inlet and a water outlet; the control box shell is provided with a mounting connecting piece for fixing the inside of the vehicle; the trigger mechanism is arranged on the control box shell and is used for inputting various action instructions to the control box main board, and the control box main board sends various action instructions to a host box of the water dispenser; the mounting connection includes: the magnetic attraction piece, the control box clamping seat and the buckle backboard; the magnetic attraction piece is used for being detachably connected with an attraction part arranged in the vehicle; one side of the control box clamping seat is provided with an adhesive part connected with the magnetic attraction piece, the other side of the control box clamping seat is provided with a clamping part, and two ends of the clamping part are provided with clamping column structures and adjusting convex edges positioned between the two clamping column structures; the control box comprises a control box shell, wherein a control box cover is arranged on the control box shell, and a control box cover is arranged on the control box shell; the clamping buckle backboard is provided with two mounting holes, two clamping hook structures are arranged on the clamping buckle backboard, the mounting holes of the clamping buckle backboard are connected with the control box shell through fasteners, the clamping hook structures are correspondingly inserted into the longitudinal grooves and then are clamped with the clamping column structures, and the adjusting protruding edges are spliced with the U-shaped grooves;
The inlet valve and the outlet valve are of electromagnetic valve structures with the same structure, and the electromagnetic valve structures comprise: the electromagnetic valve comprises an electromagnetic valve upper cover, a silica gel sealing plug, a first core iron, an electromagnetic valve spring, a second core iron, an electromagnetic valve core and an electromagnetic valve coil structure; the electromagnetic valve upper cover is provided with a first valve port and a second valve port; the silica gel sealing plug is fixed to the first core iron, and the first core iron, the electromagnetic valve spring and the second core iron are sequentially inserted into the electromagnetic valve core; the electromagnetic valve core is provided with a third valve port, and is inserted into the electromagnetic valve coil structure; the electromagnetic valve upper cover is buckled on the electromagnetic valve coil structure; when the solenoid valve coil structure is powered off, the silica gel sealing plug of the solenoid valve core seals the first valve port, and the third valve port is communicated with the second valve port; when the solenoid valve coil structure is powered on, the silica gel sealing plug of the solenoid valve core seals the third valve port, and the first valve port is communicated with the second valve port; the electromagnetic double valve includes: a solenoid valve heating film and a direct-insert resistor structure; the electromagnetic valve heating film is adhered to the electromagnetic valve structure; the direct-insert resistor structure is fixed on the tee structure; the electromagnetic valve heating film is arranged in parallel with the electromagnetic valve heating film.
2. The water dispenser main unit case of claim 1, wherein the heating water tank comprises: the water tank comprises a water tank upper cover, a heating pipe, a water level needle, a temperature sensor and a water tank lower cover;
the water level needle is arranged on the upper cover of the water tank;
the temperature sensor is arranged on the upper cover of the water tank;
the end part of the heating pipe is arranged on the upper cover of the water tank, and the heating section of the heating pipe is arranged in a water storage space between the upper cover of the water tank and the lower cover of the water tank;
the water tank upper cover is provided with a water inlet and an exhaust port.
3. The water dispenser main case of claim 2, wherein the water level needle comprises: a first water level needle, a second water level needle and a third water level needle; the lengths of the first water level needle, the second water level needle and the third water level needle are gradually decreased.
4. The main body case of a water dispenser according to claim 3, wherein a T-shaped protruding cover is provided on the top of the upper cover of the water tank;
the T-shaped convex cover is provided with three mounting hole sites for mounting a first water level needle, a second water level needle and a third water level needle, wherein the mounting hole site of the first water level needle is provided with a vertically-prolonged column hole at the bottom of the mounting hole site, and the bottom of the first water level needle extends out of the bottom of the column hole;
The T-shaped convex cover is provided with an exhaust port;
the T-shaped convex cover is provided with a mounting hole site for mounting the temperature-sensing sheath;
two mounting hole sites for mounting the heating pipe are arranged on two sides of the T-shaped convex cover on the upper cover of the water tank.
5. The water dispenser mainframe box as defined in claim 4, wherein the in-line resistor structure includes: the first direct-insert resistor and the second direct-insert resistor are arranged in parallel, and the first direct-insert resistor and the second direct-insert resistor are connected into a ring shape.
6. The water dispenser mainframe box as defined in claim 1, wherein the mainframe housing includes: a host upper cover, an upper cover heating film, a bottom cover heating film, and a host lower cover;
the upper cover heating film is arranged on the inner surface of the upper cover of the host;
the bottom cover heating film is arranged on the inner surface of the lower cover of the host;
the main box main board is inserted into the main machine upper cover/the main machine lower cover;
and the main box main board is respectively connected with the heating water tank, the peristaltic pump and the electromagnetic double valve.
7. The water dispenser mainframe box of claim 1, wherein the peristaltic pump comprises: the device comprises a pump head shell upper cover, a pump head fixing frame upper cover, a pump pipe, a pump head roller pin, a pump head roller, a pump head fixing frame, a pump head shell lower cover and a motor;
The motor is sleeved on the lower cover of the pump head shell;
the pump head fixing frame is connected with an output shaft of the motor, and is driven by the motor to rotate between the upper cover of the pump head shell and the lower cover of the pump head shell;
the two ends of the pump head roller pin are respectively arranged between the upper cover of the pump head fixing frame and the pump head fixing frame through bearing assemblies, and the pump head roller is sleeved on the pump head roller pin and can compress the pump pipe;
the pump pipe is arranged between the upper cover of the pump head shell and the lower cover of the pump head shell, one end of the pump pipe is a water inlet, and the other end of the pump pipe is a water outlet.
8. A method of manufacturing a drinking machine main unit case according to claim 1, comprising:
the method comprises the steps of manufacturing a heating water tank, comprising an injection molding water tank upper cover and an injection molding water tank lower cover, wherein three metal water level pins, a metal temperature sensing sheath and a metal water absorption nozzle are arranged in a mold cavity of the water tank upper cover during injection molding; the water tank lower cover is provided with a nut insert in a mold cavity when in injection molding, and the water tank upper cover and the water tank lower cover are connected in a solution manner through a hot melting machine after being molded to form a heating water tank;
The electromagnetic double valve is manufactured by assembling an electromagnetic valve upper cover, a pump silica gel sealing plug, a first core iron, an electromagnetic valve spring, a second core iron, an electromagnetic valve core and an electromagnetic valve coil structure into a whole to form the electromagnetic double valve;
the peristaltic pump is manufactured by assembling an upper cover of a pump head shell, an upper cover of a pump head fixing frame, a pump pipe, a pump head roller contact pin, a pump head roller, a pump head fixing frame, a lower cover of the pump head shell and a motor into a whole;
manufacturing a main machine shell, wherein the main machine shell comprises an injection molding main machine upper cover and a main machine lower cover;
the assembly of the components includes installing the heating water tank, the electromagnetic double valve and the peristaltic pump onto the lower cover of the main machine, and assembling the upper cover and the lower cover of the main machine into one main machine box.
CN201811509190.4A 2018-12-11 2018-12-11 Main box of water dispenser and manufacturing method Active CN109393985B (en)

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Publication number Priority date Publication date Assignee Title
CN109827795B (en) * 2019-03-15 2024-03-05 东方河马(北京)科技有限公司 Automatic test cabinet
CN112471819A (en) * 2020-11-27 2021-03-12 李海芳 Adjustable bed

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CN203146974U (en) * 2013-04-01 2013-08-21 杭州湘君电子有限公司 Direct-drive normally-open type electromagnetic control valve
CN103284594A (en) * 2012-02-24 2013-09-11 罗红光 Full touch screen type intelligent water dispenser for caravan
CN204071744U (en) * 2014-07-22 2015-01-07 罗红光 A kind of can three directions use Vehicular water dispenser heating water tank
CN106562672A (en) * 2015-10-12 2017-04-19 涂建 Multi-functional vehicle-mounted water dispenser
CN209331814U (en) * 2018-12-11 2019-09-03 东方河马(北京)科技有限公司 A kind of water dispenser host box

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Publication number Priority date Publication date Assignee Title
US6065939A (en) * 1998-08-14 2000-05-23 Lin; Yung-Fa Drinking water supply for automobile purpose
CN2924195Y (en) * 2005-12-15 2007-07-18 邹清良 Electromagnetic valve
CN201052087Y (en) * 2007-04-11 2008-04-30 罗红光 Intelligent vehicle mounted drinking machine
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CN103284594A (en) * 2012-02-24 2013-09-11 罗红光 Full touch screen type intelligent water dispenser for caravan
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CN209331814U (en) * 2018-12-11 2019-09-03 东方河马(北京)科技有限公司 A kind of water dispenser host box

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