CN210888522U

CN210888522U - Dish washer with automatic door opener

Info

Publication number: CN210888522U
Application number: CN201920943868.3U
Authority: CN
Inventors: 陈如金; 雷汉松
Original assignee: Ningbo Anja Kitchen System Co ltd
Current assignee: Ningbo Anja Kitchen System Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-30
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a dish washer with an automatic door opener, which comprises a shell and a machine door, wherein an inner container is arranged in the shell, a holding space is formed between the shell and the inner container, a driving mechanism and a push rod are arranged in the holding space, a holding cavity is arranged in the machine door, a stretching hole is arranged on the machine door, a latch hook structure is arranged in the holding cavity, the latch hook structure comprises a locking block and a positioning spring, and a positioning hole is arranged on the push rod; the locking block is provided with a guide surface which guides the locking block to be inserted into or separated from the positioning hole. The utility model has the advantages of it is following and effect: the push rod is controlled by adopting the modes of gear and rack driving, motor screw driving, motor chain transmission, hydraulic cylinder driving and the like to realize automatic opening or closing of the machine door, and the machine door has the effects of higher safety and intelligent degree; the hydraulic cylinder can directly utilize the water source power of the dish washer, and has the effect of saving energy; the first inductive switch and the second inductive switch are adopted, so that the push rod can be accurately positioned.

Description

Dish washer with automatic door opener

Technical Field

The utility model relates to a dish washer technical field, in particular to take dish washer of automatic door opener.

Background

The dish washer is used to automatically clean tableware such as dish, chopsticks, dish, knife and fork. The full-automatic dish washing machines on the market can be divided into two types of household and commercial, and the household full-automatic dish washing machines are only suitable for families and mainly have cabinet type, desk type and water tank integrated type.

When the dishwasher is used, the dishwasher door is required to be opened after the dishwasher is washed at the last high temperature, the water vapor is evaporated by the heat left by the bowls and dishes, the evaporated water vapor is discharged from the gaps at once under the residual temperature of the high temperature, water drops in the inner container of the dishwasher are evaporated rapidly, and the bacteria breeding can be prevented.

In current dish washer, including one side open-ended inner bag, the inner bag opening part articulates there is the quick-witted door, is provided with the handle that is used for opening the quick-witted door outward to the inner bag on the quick-witted door, washs the back to the bowl dish in the inner bag and accomplishes, and the user needs manually to open the quick-witted door, makes unnecessary steam discharge in the inner bag. However, such a dishwasher has the following problems: after the cleaning procedure is finished, because a large amount of steam still remains in the inner container, the temperature in the inner container is higher, when a user manually opens the machine door, the steam can scald the user, thereby causing safety accidents; in addition, the disadvantage of low intelligence exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take automatic door opener's dish washer adopts actuating mechanism control push rod motion to make the quick-witted door automatic open or close, has the higher effect of security and intelligent degree.

The above technical purpose of the present invention can be achieved by the following technical solutions: a dish washing machine with an automatic door opening device comprises a machine shell, a machine door hinged to the machine shell, wherein an inner container is arranged in the machine shell, an accommodating space is formed between the machine shell and the inner container, a driving mechanism and a push rod in transmission connection with the driving mechanism are respectively arranged in the accommodating space, an accommodating cavity is formed in the machine door, an extending opening for the push rod to extend into the accommodating cavity is further formed in the machine door, the end part of the push rod movably extends into the accommodating cavity through the extending opening, a lock hook structure matched with the push rod in a locking mode is arranged in the accommodating cavity and comprises a locking block and a positioning spring, the locking block is provided with a positioning hole matched with the locking block in a locking mode, and the positioning spring enables the locking block to have a movement tendency; the locking block is provided with a guide surface which guides the locking block to be inserted into or separated from the positioning hole; when the driving mechanism operates, the push rod pushes or closes the machine door through the locking block; when the interaction force between the push rod and the locking block is larger than the elastic force of the positioning spring, the locking block is separated from the positioning hole.

Through adopting above-mentioned technical scheme, after the washing of dish is accomplished in the inner bag, actuating mechanism drive push rod moves to the aircraft door, the push rod stretches into to the holding intracavity through stretching into the mouth, the locking piece is by the push rod front end jack-up compression positioning spring that makes progress under the guiding action of spigot surface, when the locking piece lower extreme aims at the locating hole, the locking piece inserts in the locating hole and with the locking cooperation of push rod under positioning spring's elasticity effect, the push rod lasts to move and pushes away the aircraft door, produce the gap between aircraft door and casing this moment, the gap can be followed to the vapor of inner bag and discharged, the vapor can be with the aircraft door outwards pulling of casing after arranging, the locking piece breaks away from the locating hole under the guiding action of spigot surface, so can open the aircraft door completely and take out the dish in the inner bag. Then, the machine door is reset to enable the locking block to be inserted into the positioning hole again, the driving mechanism drives the push rod to move back, and the push rod drives the machine door to be closed on the machine shell again. So, can realize that the machine door is automatic to be opened or close after the dish washer washs, intelligent degree is higher, and it is more convenient to operate, and can also prevent to a certain extent that manual machine door of opening is scalded by vapor.

The utility model discloses a further set up to: the driving mechanism comprises a motor arranged in the accommodating space, the outer wall of the inner container is provided with a guide wedge surface extending along the movement direction of the push rod, and a transmission assembly is arranged between the motor and the push rod; when the motor operates, the transmission component is matched with the guide wedge surface, so that the motion track of the push rod is adapted to the opening and closing track of the machine door.

By adopting the technical scheme, when the machine door needs to be opened, the motor is opened, the output shaft of the motor drives the transmission assembly to transmit to enable the push rod to move towards the machine door, and the machine door is hinged on the machine shell, so that when the machine door is opened, an arc is formed on one side of the machine door, which is relatively hinged, so that the extending port is deflected downwards in the vertical direction, the push rod is gradually deflected downwards in the vertical direction under the guiding action of the guide wedge surface, and the push rod is not easy to break; when the machine door needs to be closed, the output shaft of the motor enables the push rod to move back through the transmission assembly, and therefore the push rod can drive the machine door to be closed again.

The utility model discloses a further set up to: the transmission assembly comprises a gear and a rack, the gear is arranged on an output shaft of the motor, the rack is movably arranged on the guide wedge surface and meshed with the gear, and the push rod is connected to the rack.

Through adopting above-mentioned technical scheme, when the transmission, the output shaft of motor drives the gear revolve, and under the meshing effect, the gear drives the rack and removes to the aircraft door direction along the direction wedge.

The utility model discloses a further set up to: the transmission assembly comprises two rollers and a chain arranged between the rollers, wherein one roller is arranged on an output shaft of the motor, and the push rod is connected to the chain.

By adopting the technical scheme, during transmission, the output shaft of the motor drives the chain to transmit through the roller wheel, and the push rod can be driven to move towards the machine door during transmission of the chain until the machine door is opened by the push rod; when the machine door needs to be closed, the output shaft of the motor drives the chain to reversely transmit through the roller wheel, and then the push rod can be driven to close the machine door again.

The utility model discloses a further set up to: the driving mechanism comprises a motor arranged in the accommodating space, a screw rod is arranged on an output shaft of the motor, a nut pair is connected to the screw rod in a threaded manner, the push rod is connected to the nut pair, and a first inclined surface matched with the push rod in an included angle is arranged on the side wall of the nut pair, on which the push rod is arranged; when the motor operates, the first inclined plane enables the motion track of the push rod to be adapted to the opening and closing track of the machine door.

By adopting the technical scheme, when the machine door needs to be opened, the motor is started, the output shaft of the motor drives the screw rod to rotate, the screw rod drives the nut pair to move towards the machine door, so that the nut pair can drive the push rod to open the machine door, and the machine door is hinged on the machine shell, so that when the machine door is opened, an arc is formed on one side of the hinge relatively to the hinge, the extending port is deflected downwards in the vertical direction, the extending port presses the push rod downwards, and the push rod is slightly deformed and is not easy to break; when the machine door needs to be closed, the output shaft of the motor drives the screw rod to rotate reversely, so that the nut pair moves reversely, and the push rod can be driven to close the machine door again.

The utility model discloses a further set up to: the driving mechanism comprises a hydraulic cylinder and a hydraulic driving assembly in driving fit with the hydraulic cylinder; the push rod is arranged on a piston rod of the hydraulic cylinder, the end part of the push rod is provided with a connecting block, and a second inclined plane matched with the push rod in an included angle is arranged on the connecting block; when the motor operates, the second inclined plane enables the motion track of the push rod to be adapted to the opening and closing track of the machine door.

By adopting the technical scheme, when the machine door needs to be opened, the piston rod of the hydraulic cylinder moves outwards under the driving action of the hydraulic driving assembly, so that the push rod moves towards the machine door and opens the machine door; when the machine door needs to be closed, the hydraulic drive assembly drives the piston rod of the hydraulic cylinder to move reversely, so that the push rod drives the machine door to be closed again.

The utility model discloses a further set up to: the hydraulic driving component comprises a booster pump and a three-way electromagnetic valve, the three-way electromagnetic valve comprises a water inlet, a water outlet and a water outlet, and the water inlet is communicated with a water supply device of the dish washing machine or communicated with a tap water pipe; the hydraulic cylinder comprises a rod cavity and a rodless cavity, the water outlet is communicated with the rodless cavity through a booster pump, and a return spring is arranged in the rod cavity.

By adopting the technical scheme, water source power of the dish washing machine is directly utilized, water is sequentially communicated into the three-way electromagnetic valve, the booster pump and the rodless cavity of the hydraulic cylinder, the water pressure in the rodless cavity is increased, so that the piston rod of the hydraulic cylinder moves outwards towards the hydraulic cylinder and extrudes the return spring, and the piston rod of the hydraulic cylinder can push the push rod; when the push rod retracts, the return spring drives the piston rod of the hydraulic cylinder to return, and water in the rodless cavity is discharged from the water outlet of the three-way electromagnetic valve through the booster pump.

The utility model discloses a further set up to: the hydraulic driving component comprises two booster pumps and three-way electromagnetic valves which are respectively in one-to-one correspondence with the booster pumps, each three-way electromagnetic valve comprises a water inlet, a water outlet and a water outlet, and the water inlets are communicated with a water supply device of the dish washing machine or a tap water pipe; the hydraulic cylinder comprises a rod cavity and a rodless cavity, wherein one three-way electromagnetic valve is communicated with the rodless cavity through the corresponding booster pump, and the other three-way electromagnetic valve is communicated with the rod cavity through the corresponding booster pump.

By adopting the technical scheme, water source power of the dish washing machine is directly utilized, water is sequentially communicated into the three-way electromagnetic valve, the booster pump and the rodless cavity of the hydraulic cylinder, the water pressure in the rodless cavity is increased, so that the piston rod of the hydraulic cylinder moves outwards, and the piston rod of the hydraulic cylinder can push the push rod; when the push rod retracts, water is introduced into the rod cavity of the hydraulic cylinder through the three-way electromagnetic valve and the booster pump, and the water in the rodless cavity is discharged through the water outlet of the three-way electromagnetic valve.

The utility model discloses a further set up to: the hydraulic driving component comprises a two-position five-way electromagnetic valve and two booster pumps, the two-position five-way electromagnetic valve comprises an inlet, a first outlet, a second outlet, a first discharge port and a second discharge port, and the inlet is communicated with a water supply device of the dish washing machine or communicated with a tap water pipe; the hydraulic cylinder comprises a rod cavity and a rodless cavity, a first outlet of the two-position five-way electromagnetic valve is communicated with the rod cavity through a corresponding booster pump, and a second outlet of the two-position five-way electromagnetic valve is communicated with the rodless cavity through a corresponding booster pump.

By adopting the technical scheme, water source power of the dish washing machine is directly utilized, water introduced into the two-position five-way electromagnetic valve from the inlet is introduced into the rodless cavity through the second outlet, the water pressure in the rodless cavity is increased to enable the piston rod of the hydraulic cylinder to move outwards, and the piston rod of the hydraulic cylinder can push the push rod; when the push rod retracts, water introduced into the two-position five-way electromagnetic valve from the inlet is introduced into the rod cavity through the first outlet, and water in the rodless cavity is discharged through the two-position five-way electromagnetic valve.

The utility model discloses a further set up to: still including induction system, induction system includes first inductive switch and second inductive switch, is provided with the arch on the push rod, and the arch cooperates with first inductive switch, second inductive switch response respectively.

By adopting the technical scheme, when the protrusion corresponds to the first inductive switch in the moving process of the push rod, the driving mechanism stops driving, and the machine door is in an open state; when the bulge corresponds to the second inductive switch, the driving mechanism stops driving, and the machine door is in a closed state at the moment.

To sum up, the utility model discloses following beneficial effect has:

1. the push rod is controlled by adopting the modes of gear and rack driving, motor screw driving, motor chain transmission, hydraulic cylinder driving and the like to realize automatic opening or closing of the machine door, and the machine door has the effects of higher safety and intelligent degree;

2. the hydraulic cylinder is matched with the three-way electromagnetic valve and the two-position five-way electromagnetic valve, so that the water source power of the dish washing machine can be directly utilized, and the effect of saving energy is achieved;

3. the first inductive switch and the second inductive switch are adopted to be in inductive fit with the bulges on the push rod, so that the position of the push rod can be accurately positioned.

Drawings

Fig. 1 is a schematic diagram of the external overall structure of the first embodiment.

Fig. 2 is a schematic diagram of the internal structure relationship of the first embodiment, and the door is in a closed state.

FIG. 3 is a sectional view of the first embodiment.

Fig. 4 is an enlarged view of the area a in fig. 3.

Fig. 5 is a schematic structural view of the driving mechanism in the second embodiment, and the door is in an open state.

Fig. 6 is a schematic structural view of the driving mechanism in the third embodiment, and the door is in an open state.

Fig. 7 is a schematic structural relationship diagram of the drive mechanism in the fourth embodiment, in which the door is in the open state, and the cylinder body is in the cross-sectional state.

Fig. 8 is a schematic structural relationship diagram of the hydraulic drive assembly in the fifth embodiment, in which the cylinder main body is in a sectional state.

Fig. 9 is a schematic structural relationship diagram of a hydraulic drive assembly in a sixth embodiment, in which a cylinder main body is in a sectional state.

In the figure: 1. a housing; 11. an inner container; 111. a guide wedge surface; 112. a through hole; 2. a machine door; 21. A handle; 22. an accommodating cavity; 23. an inlet extension port; 3. a push rod; 31. positioning holes; 32. a protrusion; 33. connecting blocks; 331. a second inclined plane; 4. a drive mechanism; 41. a motor; 411. a gear; 42. a rack; 43. A screw; 44. a nut pair; 441. a first inclined plane; 45. a hydraulic cylinder; 451. a rod cavity; 452. a rodless cavity; 46. a return spring; 5. a latch hook structure; 51. a locking block; 511. a stopper; 512. a guide surface; 52. a positioning spring; 6. an induction device; 61. a first inductive switch; 62. a second inductive switch; 7. A roller; 8. a chain; 9. a hydraulic drive assembly; 91. a booster pump; 92. a three-way electromagnetic valve; 921. a water inlet; 922. a water outlet; 923. a water outlet; 93. two-position five-way solenoid valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows: the utility model provides a take automatic door opener's dish washer, as shown in figure 1, figure 2 and figure 4, including one side open-ended casing 1, casing 1 opening side's lower limb articulates there is quick-witted door 2, quick-witted door 2 outer wall is provided with handle 21, be provided with inner bag 11 in the casing 1, one side opening and casing 1 opening of inner bag 11 are corresponding, inner bag 11 outer wall and 1 inner wall of casing form the accommodation space, be provided with push rod 3 in the accommodation space, inner bag 11's outer wall is provided with actuating mechanism 4 that actuating machine door 2 opened or closed, the one end and the 4 fixed connection of actuating mechanism of push rod 3, the 3 other end of push rod passes through latch hook structure 5 locking cooperation with quick-witted door 2.

As shown in fig. 2, 3 and 4, the driving mechanism 4 includes a motor 41 fixedly connected to the outer wall of the inner container 11, an output shaft of the motor 41 is provided with a gear 411, the outer wall of the inner container 11 is provided with a guide wedge surface 111 extending along the moving direction of the push rod 3, the guide wedge surface 111 is movably provided with a rack 42 engaged with the gear 411, the push rod 3 is fixedly connected to the right end of the rack 42, an opening of the inner container 11 extends outwards to form an edge, and the edge is provided with a through hole 112 for the push rod 3 to pass through; the machine door 2 is internally provided with an accommodating cavity 22, the machine door 2 is also provided with an extending opening 23 for the push rod 3 to extend into the accommodating cavity 22, the end part of the push rod 3 movably extends into the accommodating cavity 22 through the extending opening 23, the latch hook structure 5 comprises a locking block 51 and a positioning spring 52 which are arranged in the accommodating cavity 22, the push rod 3 is provided with a positioning hole 31 which is locked and matched with the locking block 51, the side wall of the locking block 51 is provided with a stop block 511, one end of the positioning spring 52 abuts against the stop block 511, the other end abuts against the inner wall of the accommodating cavity 22, and the positioning spring 52 enables the locking block 51 to always have a motion tendency of being inserted into; the locking block 51 is provided with a guide surface 512, the guide surface 512 guides the locking block 51 to be inserted into or separated from the positioning hole 31, when the motor 41 operates, the rack 42 is matched with the guide wedge surface 111, so that the motion track of the push rod 3 is adapted to the opening and closing track of the machine door 2, and the push rod 3 pushes away or closes the machine door 2 through the locking block 51; when the interaction force between the push rod 3 and the locking block 51 is greater than the elastic force of the positioning spring 52, the locking block 51 is disengaged from the positioning hole 31.

As shown in fig. 2, outer container 11 outer wall is provided with induction system 6 with push rod 3 location fit, induction system 6 is including installing first inductive switch 61 and the second inductive switch 62 in inner container 11 outer wall, first inductive switch 61 and second inductive switch 62 all are located the side of push rod 3, first inductive switch 61 sets up in being close to inner container 11 opening part, second inductive switch 62 sets up in keeping away from inner container 11 opening part, push rod 3 lateral wall is provided with arch 32, arch 32 respectively with first inductive switch 61, second inductive switch 62 induction fit.

The utility model discloses a basic operating principle does: after the dishes in the inner container 11 are washed, the motor 41 is turned on, the output shaft of the motor 41 drives the gear 411 to rotate, under the meshing action, the gear 411 drives the rack 42 to move towards the machine door 2 along the surface of the guide wedge 111, the push rod 3 sequentially passes through the through hole 112 and the extending opening 23 and extends into the accommodating cavity 22, the locking block 51 is upwards jacked by the front end of the push rod 3 under the guide action of the guide surface 512 to compress the positioning spring 52, when the lower end of the locking block 51 is aligned with the positioning hole 31, the locking block 51 is inserted into the positioning hole 31 and is locked and matched with the push rod 3 under the elastic force of the positioning spring 52, the push rod 3 continuously moves to push open the machine door 2, when the first inductive switch 61 senses the bulge 32 on the push rod 3, a gap is generated between the machine door 2 and the machine case 1, the water vapor in the inner container 11 can be discharged from the gap, after the water vapor is exhausted, the handle 21 can be held by hand to pull, the locking block 51 is separated from the positioning hole 31 under the guiding action of the guiding surface 512, and the bottom end of the locking block 51 is abutted against the bottom wall of the accommodating cavity 22 under the elastic force action of the positioning spring 52, so that the door 2 can be completely opened to take out the dishes in the inner container 11. Subsequently, the door 2 is reset to enable the locking block 51 to be inserted into the positioning hole 31 again, the motor 41 drives the push rod 3 to move back, the push rod 3 drives the door 2 to be closed on the machine shell 1 again, and the motor 41 is stopped when the second inductive switch 62 senses the protrusion 32 on the push rod 3. So, can realize that the quick-witted door 2 of dish washer is automatic opens or closes, intelligent degree is higher, and it is more convenient to operate, and can also prevent to a certain extent that manual machine door 2 time of opening from being scalded by vapor.

Because the lower side of the machine door 2 is hinged on the machine shell 1, when the machine door 2 is opened, an arc is formed on the opposite hinged side, so that the extending port 23 is downwards deviated in the vertical direction, and the push rod 3 is gradually downwards deviated in the vertical direction under the guiding action of the guide wedge surface 111, so that the push rod 3 is not easy to break.

Example two: a kind of dishwasher with automatic door opener, as shown in fig. 5, the driving mechanism 4 includes the motor 41 fixedly connected to the outer wall of the inner container 11, the outer wall of the inner container 11 is provided with the guiding wedge surface 111 extending along the moving direction of the push rod 3, the difference of this embodiment and the first embodiment lies in: two rollers 7 driven by the motor 41 and a chain 8 arranged between the rollers 7 are arranged on the guide wedge surface 111, and the push rod 3 is fixedly connected to the surface of the chain 8 and is in transmission fit with the chain 8.

When the machine door 2 needs to be opened, the motor 41 is started, the output shaft of the motor 41 drives the roller 7 to rotate so as to drive the chain 8 to transmit, the chain 8 can drive the push rod 3 to move towards the machine door 2 when transmitting, until the push rod 3 opens the machine door 2, because the machine door 2 is hinged on the machine shell 1, when the machine door 2 is opened, an arc is formed at one side which is relatively hinged, so that the extending port 23 is deviated downwards in the vertical direction, and the push rod 3 is gradually deviated downwards in the vertical direction under the guiding action of the guide wedge surface 111, so that the push rod 3 is not easy to break; when the door 2 needs to be closed, the output shaft of the motor 41 drives the chain 8 to perform reverse transmission, and then the push rod 3 is driven to close the door 2 again.

Example three: a dishwasher with an automatic door opener is disclosed, as shown in FIG. 6, the driving mechanism 4 includes a motor 41 fixedly connected to the outer wall of the inner container 11, the difference between the embodiment and the first embodiment is that: a screw 43 is arranged on an output shaft of the motor 41, a nut pair 44 is connected to the screw 43 in a threaded manner, the push rod 3 is fixedly connected to the upper surface of the nut pair 44, and a first inclined surface 441 is arranged on the side wall of the nut pair 44, which is provided with the push rod 3; when the motor 41 is operated, the first inclined surface 441 makes the motion track of the push rod 3 correspond to the opening and closing track of the door 2.

In the driving process, when the machine door 2 needs to be opened, the motor 41 is opened, the output shaft of the motor 41 drives the screw 43 to rotate, the screw 43 drives the nut pair 44 to move towards the machine door 2, so the nut pair 44 can drive the push rod 3 to open the machine door 2, and the machine door 2 is hinged on the machine shell 1, so when the machine door 2 is opened, an arc is formed on one side of the opposite hinged side, so that the extending port 23 is deviated downwards in the vertical direction, the extending port 23 presses the push rod 3 downwards, and thus, the push rod 3 slightly deforms downwards and is not easy to break; when the door 2 needs to be closed, the output shaft of the motor 41 drives the screw 43 to rotate reversely, so that the nut pair 44 moves reversely, and the push rod 3 can be driven to close the door 2 again.

Example four: a dishwasher with an automatic door opener is shown in fig. 7, the difference between the embodiment and the first embodiment is that: the driving mechanism 4 comprises a hydraulic cylinder 45 and a hydraulic driving assembly 9 in driving fit with the hydraulic cylinder 45, the hydraulic driving assembly 9 comprises a booster pump 91 and a three-way electromagnetic valve 92, the three-way electromagnetic valve 92 comprises a water inlet 921, a water outlet 922 and a water outlet 923, and the water inlet 921 is communicated with a water supply device of the dishwasher or is communicated with a tap water pipe; an inlet of the booster pump 91 is communicated with a water outlet 922 of the three-way electromagnetic valve 92, the hydraulic cylinder 45 comprises a rod cavity 451 and a rodless cavity 452, an outlet of the booster pump 91 is communicated with the rodless cavity 452, and a return spring 46 is arranged in the rod cavity 451; the push rod 3 is arranged on a piston rod of the hydraulic cylinder 45, the end part of the push rod 3 is provided with a connecting block 33, the end surface of the connecting block 33 connected to the piston rod of the hydraulic cylinder 45 is provided with a second inclined surface 331 forming an included angle with the push rod 3, and the second inclined surface 331 enables the push rod 3 to have an inclined angle towards the side wall of the inner container 11 when moving; when the motor 41 is operated, the second inclined surface 331 makes the motion track of the push rod 3 correspond to the opening and closing track of the door 2.

When the machine door 2 needs to be opened, water source power of the dish-washing machine is directly utilized, water is sequentially led into the three-way electromagnetic valve 92, the booster pump 91 and the rodless cavity 452 of the hydraulic cylinder 45, water pressure in the rodless cavity 452 is increased, a piston rod of the hydraulic cylinder 45 moves outwards of the hydraulic cylinder 45 and extrudes the return spring 46, the piston rod of the hydraulic cylinder 45 can push the push rod 3, the push rod 3 moves towards the machine door 2 and opens the machine door 2, because the machine door 2 is hinged on the machine shell 1, when the machine door 2 is opened, an arc is formed on one side which is hinged relatively, so that the extending port 23 deflects downwards in the vertical direction, the extending port 23 presses the push rod 3 downwards, and therefore, the push rod 3 slightly deflects downwards to cause angular deviation and is not; when the machine door 2 needs to be closed, the push rod 3 is retracted, the return spring 46 drives the piston rod of the hydraulic cylinder 45 to return, water in the rodless cavity 452 is discharged from the booster pump 91 and the water outlet 923 of the three-way solenoid valve 92, and the push rod 3 drives the machine door 2 to be closed again.

Example five: a dishwasher with an automatic door opener, as shown in fig. 8, the present embodiment is different from the fourth embodiment in that: the hydraulic driving assembly 9 comprises two booster pumps 91 and three-way electromagnetic valves 92 which are respectively in one-to-one correspondence with the booster pumps 91, each three-way electromagnetic valve 92 comprises a water inlet 921, a water outlet 922 and a water outlet 923, and the water inlet 921 is communicated with a water supply device of the dishwasher or a tap water pipe; the hydraulic cylinder 45 includes a rod chamber 451 and a non-rod chamber 452, wherein one of the three-way solenoid valves 92 communicates with the non-rod chamber 452 through the corresponding booster pump 91, and the other three-way solenoid valve 92 communicates with the rod chamber 451 through the corresponding booster pump 91.

When the water-saving device is used, water source power of the dish washing machine is directly utilized, water is sequentially led into the three-way electromagnetic valve 92, the booster pump 91 and the rodless cavity 452 of the hydraulic cylinder 45, the water pressure in the rodless cavity 452 is increased, so that the piston rod of the hydraulic cylinder 45 moves towards the outside of the hydraulic cylinder 45, and the piston rod of the hydraulic cylinder 45 can push the push rod 3; when the push rod 3 is retracted, water is introduced into the rod chamber 451 of the hydraulic cylinder 45 through the three-way solenoid valve 92 and the booster pump 91, and the water in the rod-less chamber 452 is discharged through the water outlet 923 of the three-way solenoid valve 92.

Example six: a dishwasher with an automatic door opener, as shown in fig. 9, the difference between the present embodiment and the fourth embodiment is that: the hydraulic driving assembly 9 comprises a two-position five-way solenoid valve 93 (the specific structure of the two-position five-way solenoid valve can refer to Chinese patent with publication number CN 105090559A) and two booster pumps 91, the two-position five-way solenoid valve 93 comprises an inlet, a first outlet, a second outlet, a first discharge port and a second discharge port, and the inlet is communicated with a water supply device of the dishwasher or communicated with a tap water pipe; the hydraulic cylinder 45 includes a rod chamber 451 and a rodless chamber 452, a first outlet of the two-position five-way solenoid valve 93 is communicated with the rod chamber 451 through a corresponding booster pump 91, and a second outlet of the two-position five-way solenoid valve 93 is communicated with the rodless chamber 452 through a corresponding booster pump 91.

When the machine door 2 needs to be opened, water source power of the dish washing machine is directly utilized, water introduced into the two-position five-way electromagnetic valve 93 from the inlet is introduced into the rodless cavity 452 through the second outlet, the water pressure in the rodless cavity 452 is increased, so that the piston rod of the hydraulic cylinder 45 moves towards the outside of the hydraulic cylinder 45, and the piston rod of the hydraulic cylinder 45 can push the push rod 3; when the push rod 3 retracts, water introduced into the two-position five-way solenoid valve 93 from the inlet is introduced into the rod chamber 451 through the first outlet, and water in the rodless chamber 452 is discharged through the two-position five-way solenoid valve 93.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a take automatic door opener's dish washer, includes casing (1), articulate in quick-witted door (2) of casing (1), be equipped with inner bag (11), its characterized in that in casing (1): casing (1) with be formed with the accommodation space between inner bag (11), be provided with actuating mechanism (4) in the accommodation space respectively, with push rod (3) that actuating mechanism (4) transmission is connected, set up holding chamber (22) in door (2), confession has still been seted up in door (2) push rod (3) stretch into stretching into mouth (23) of holding chamber (22), the tip of push rod (3) by stretch into mouth (23) activity stretch into in holding chamber (22), be provided with in holding chamber (22) with push rod (3) locking complex latch hook structure (5), latch hook structure (5) including set up in locking piece (51) and positioning spring (52) in holding chamber (22), push rod (3) seted up with locking piece (51) locking complex locating hole (31), positioning spring (52) make locking piece (51) have all the time and insert the fortune of positioning hole (31) A dynamic trend; the locking block (51) is provided with a guide surface (512), and the guide surface (512) guides the locking block (51) to be inserted into or separated from the positioning hole (31);

when the driving mechanism (4) operates, the push rod (3) pushes or closes the machine door (2) through the locking block (51); when the interaction force between the push rod (3) and the locking block (51) is larger than the elastic force of the positioning spring (52), the locking block (51) is disengaged from the positioning hole (31).

2. The dishwasher with an automatic door opener according to claim 1, characterized in that: the driving mechanism (4) comprises a motor (41) arranged in the accommodating space, a guide wedge surface (111) extending along the movement direction of the push rod (3) is arranged on the outer wall of the inner container (11), and a transmission assembly is arranged between the motor (41) and the push rod (3); when the motor (41) operates, the transmission assembly is matched with the guide wedge surface (111), so that the motion track of the push rod (3) is adapted to the opening and closing track of the machine door (2).

3. The dishwasher with an automatic door opener according to claim 2, characterized in that: the transmission assembly comprises a gear (411) and a rack (42), the gear (411) is arranged on an output shaft of the motor (41), the rack (42) is movably arranged on the guide wedge surface (111) and meshed with the gear (411), and the push rod (3) is connected to the rack (42).

4. The dishwasher with an automatic door opener according to claim 2, characterized in that: the transmission assembly comprises two rollers (7) and a chain (8) arranged between the rollers (7), wherein one of the rollers (7) is arranged on an output shaft of the motor (41), and the push rod (3) is connected to the chain (8).

5. The dishwasher with an automatic door opener according to claim 1, characterized in that: the driving mechanism (4) comprises a motor (41) arranged in the accommodating space, a screw rod (43) is arranged on an output shaft of the motor (41), a nut pair (44) is connected to the screw rod (43) in a threaded manner, the push rod (3) is connected to the nut pair (44), and a first inclined surface (441) matched with the push rod (3) in an included angle is arranged on the side wall of the nut pair (44) on which the push rod (3) is arranged; when the motor (41) operates, the first inclined surface (441) enables the motion track of the push rod (3) to be matched with the opening and closing track of the machine door (2).

6. The dishwasher with an automatic door opener according to claim 1, characterized in that: the driving mechanism (4) comprises a hydraulic cylinder (45) and a hydraulic driving assembly (9) in driving fit with the hydraulic cylinder (45); the push rod (3) is arranged on a piston rod of the hydraulic cylinder (45), a connecting block (33) is arranged at the end part of the push rod (3), and a second inclined plane (331) matched with the push rod (3) in an included angle is arranged on the connecting block (33); when the motor (41) operates, the second inclined surface (331) enables the motion track of the push rod (3) to be adapted to the opening and closing track of the machine door (2).

7. The dishwasher with an automatic door opener according to claim 6, characterized in that: the hydraulic drive assembly (9) comprises a booster pump (91) and a three-way electromagnetic valve (92), the three-way electromagnetic valve (92) comprises a water inlet (921), a water outlet (922) and a water outlet (923), and the water inlet (921) is communicated with a water supply device of the dishwasher or communicated with a tap water pipe; the hydraulic cylinder (45) comprises a rod cavity (451) and a rodless cavity (452), the water outlet (922) is communicated with the rodless cavity (452) through the booster pump (91), and a return spring (46) is arranged in the rod cavity (451).

8. The dishwasher with an automatic door opener according to claim 6, characterized in that: the hydraulic drive assembly (9) comprises two booster pumps (91) and three-way electromagnetic valves (92) which are respectively in one-to-one correspondence with the booster pumps (91), each three-way electromagnetic valve (92) comprises a water inlet (921), a water outlet (922) and a water outlet (923), and the water inlets (921) are communicated with a water supply device of the dishwasher or communicated with a tap water pipe; the hydraulic cylinder (45) comprises a rod cavity (451) and a rodless cavity (452), wherein one three-way electromagnetic valve (92) is communicated with the rodless cavity (452) through the corresponding booster pump (91), and the other three-way electromagnetic valve (92) is communicated with the rod cavity (451) through the corresponding booster pump (91).

9. The dishwasher with an automatic door opener according to claim 6, characterized in that: the hydraulic driving assembly (9) comprises a two-position five-way electromagnetic valve (93) and two booster pumps (91), the two-position five-way electromagnetic valve (93) comprises an inlet, a first outlet, a second outlet, a first discharge port and a second discharge port, and the inlet is communicated with a water supply device of the dishwasher or communicated with a tap water pipe; the hydraulic cylinder (45) comprises a rod cavity (451) and a rodless cavity (452), a first outlet of the two-position five-way electromagnetic valve (93) is communicated with the rod cavity (451) through the booster pump (91) correspondingly, and a second outlet of the two-position five-way electromagnetic valve (93) is communicated with the rodless cavity (452) through the booster pump (91) correspondingly.

10. The dishwasher with an automatic door opening device according to any one of claims 1 to 8, wherein: still including induction system (6), induction system (6) include first inductive switch (61) and second inductive switch (62), be provided with arch (32) on push rod (3), arch (32) respectively with first inductive switch (61), second inductive switch (62) response cooperation.