CN109717741B

CN109717741B - Water dispenser with liftable travelling wheels

Info

Publication number: CN109717741B
Application number: CN201910139154.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yangzhou Hangji Creative Design Park Co ltd
Current assignee: YANGZHOU HANGJI CREATIVE DESIGN PARK Co.,Ltd.
Priority date: 2017-03-10
Filing date: 2017-03-10
Publication date: 2020-10-16
Anticipated expiration: 2037-03-10
Also published as: CN109717741A; CN106943014A; CN106943014B

Abstract

The invention relates to a water dispenser. The utility model provides an establish water dispenser of walking wheel that can lift up, includes the water dispenser main part, the water dispenser main part is equipped with tap and the plug that introduces the power, the water dispenser main part still is equipped with the supporting legs, the lower extreme of supporting legs is equipped with the screw thread section, screw thread section threaded connection has the thread bush, the lower extreme of screw thread section is connected with the walking wheel, the thread bush is connected and has both been connected and can have been moved to the lower extreme and be less than the walking wheel and the cover lifts off the walking wheel on the walking wheel and can move to the support cover that the lower extreme is higher than the. The invention provides a water dispenser with liftable travelling wheels, wherein the travelling wheels can be selectively supported, and the water dispenser solves the problem that the travelling wheels of the existing water dispenser are always used for supporting and are easy to generate unnecessary displacement.

Description

Water dispenser with liftable travelling wheels

The scheme is a divisional application of application No. 2017101397337, 3 and 10 of 2017, entitled "water dispenser with liftable travelling wheels".

Technical Field

The invention relates to a water dispenser, in particular to a water dispenser with liftable travelling wheels.

Background

The existing water dispensers are various, walking wheels are arranged on the existing water dispensers in order to save labor and facilitate movement, but the existing water dispensers with the walking wheels are supported by the walking wheels for a long time and are easy to generate undesired movement when being collided. The water dispenser comprises a water dispenser main body, wherein the water dispenser main body is provided with a water purifying mechanism, a faucet, a water inlet pipe and a plug for introducing a power supply, the outlet end of the water inlet mechanism is connected with the faucet, the inlet end of the water inlet mechanism is connected with the water inlet pipe, the water inlet pipe is connected with a tap water pipeline during use, and the plug is connected with a socket to introduce the power supply for internal electric appliances. The tap water is processed by the water purifying mechanism and then flows out from the tap for users to use. The water dispenser using the water purifying mechanism has the following defects: when the water purifier is used in rural areas, some rural tap water is directly introduced from streams in mountains, and the water sources are often accompanied by large impurities and easily cause quick blockage of a water purifying mechanism.

Disclosure of Invention

The invention aims to provide a water dispenser with liftable travelling wheels, wherein the travelling wheels can be selectively supported, and the problem that the travelling wheels of the existing water dispenser are always used for supporting and are easy to generate unnecessary displacement is solved.

The second purpose of the invention is to further provide a water dispenser with a liftable travelling wheel, wherein a filter is arranged in a water inlet pipe in advance, and the problem that the existing water dispenser with a water purifying mechanism is easy to block when used in a water source containing impurities is solved.

The technical problem is solved by the following technical scheme: the utility model provides an establish water dispenser of walking wheel that can lift up, includes the water dispenser main part, the water dispenser main part is equipped with tap and the plug that introduces the power, its characterized in that, the water dispenser main part still is equipped with the supporting legs, the lower extreme of supporting legs is equipped with the screw thread section, screw thread section threaded connection has the thread bush, the lower extreme of screw thread section is connected with the walking wheel, the thread bush is connected and has both been can move to the lower extreme and be less than the walking wheel and the cover lifts off the walking wheel on the walking wheel and can move to the support cover that the lower extreme is higher than the walking wheel. When the movable support is required to be moved, the threaded sleeve is rotated to drive the support cover to move upwards, the movable support is supported through the travelling wheels, and then the movable support can be conveniently moved; when the support cover does not need to be moved, the threaded sleeve is rotated to drive the support cover to move downwards to jack up the travelling wheel, namely the support cover is used for supporting, so that the support cover is not easy to move. Lift away from the walking wheel and set up the mirror layer through the supporting cover, it is convenient when cleaning.

Preferably, the water dispenser main body is further provided with a water purifying mechanism, the outlet end of the water purifying mechanism is connected with the faucet, the inlet end of the water purifying mechanism is provided with a water inlet pipe used for being connected with a water source, the water inlet pipe is provided with a filter, and the filter and the water inlet pipe are detachably connected together. Set up the filter, can carry out the prefilter to the water that gets into water purification mechanism to effectively prevent to block up. The filter can be detachably connected, and the filter is better cleaned conveniently.

Preferably, the filter comprises a vertically arranged cylinder body, a vertical flow channel is arranged in the cylinder body, the inlet end of the flow channel is the upper end, a filter plate is arranged in the flow channel, the filter plate is provided with a plurality of via holes, one side of the filter plate, facing the inlet end of the flow channel, is provided with a conical pit, the other side of the filter plate is provided with a dirt cleaning motor, the via holes are arranged in the conical pit, a rotating shaft of the dirt cleaning motor extends into the conical pit and is connected with a plurality of brush fixing rods, and the brush fixing rods are provided with a plurality of elastic bristles which can extend into the via holes. The filter in the technical scheme is provided with the pits, so that the intercepted sundries can be collected. The motor-driven brush and other mechanisms are arranged, so that the effect of dredging the through hole and preventing quick blockage can be achieved.

Preferably, the through hole is provided with a dirt discharge rod in front of the rotation direction of the brush fixing rod, a pull ring is formed between the dirt discharge rod and the wall of the conical pit, the tail ends of the elastic bristles are provided with hook heads, and the hook heads can hook the pull ring when the elastic bristles pass through the dirt discharge rod. Due to the arrangement of the hook head, dirt in the through hole can be hooked out better. The pull ring is arranged to play a role in cleaning sewage hooked by the hook head before the brush hair enters the next via hole. The cleaning effect is good.

Preferably, the plug comprises a plug outer shell and a plug separating mechanism, the plug outer shell is provided with an L-pole bolt, an N-pole bolt and an E-pole bolt, the plug separation mechanism comprises a sleeve, a top pin penetrating the sleeve, a top pin control mechanism and a first spring driving the top pin to extend out of the plug shell from the side where the plug pin is located, the ejector pin control mechanism comprises a clamping part arranged on the ejector pin, a clamping head which is matched with the clamping part to keep the ejector pin in a contraction state, a second spring for driving the clamping head to be clamped on the clamping part, and a button for driving the clamping head to be separated from the clamping part, the sleeve is positioned in the plug shell, a knock pin through hole for the knock pin to penetrate out is arranged on one side of the plug shell provided with the plug pin, one end of the button penetrates through the plug shell, the clamping head and the button are distributed on the two radial sides of the ejector pin, and the button and the clamping head are bonded together. The plug in the technical scheme is labor-saving when being pulled out. The plug is pulled out in the following process: assuming that the ejector pin is in an extending state in an initial state, when the plug pin is inserted into the socket, the socket shell extrudes the ejector pin to retract towards the inside of the plug shell so as to enable the first spring to store energy, the ejector pin retracts to contact with the chuck to eject the chuck and continues to retract, and the second spring generates deformation energy storage; the ejector pin stops contracting after the plug is inserted in place, the clamping part is aligned with the clamping head (or is positioned on one side of the clamping head far away from the outer end of the ejector pin, the ejector pin or the ejector pin generates stretching action under the action of the first spring in the state), and the clamping head stretches to the clamping part under the action of the second spring to clamp the ejector pin and cannot stretch out outwards. When the plug needs to be pulled out, the button is pressed, the button drives the chuck to separate from the clamping part and store energy in the second spring, the ejector pin is popped out under the action of the first spring, the ejector pin generates extrusion force to the socket shell when being popped out, the socket generates reaction force to the ejector pin, and the reaction force plays a role in pulling out the plug from the socket, so that the plug is pulled out in a labor-saving manner. "dop and button distribute among this technical scheme" radial both sides of knock pin ", be convenient for realize that the dop divides and shuts with the joint portion with the mode of translation, if the dop divides and shuts with the joint portion with wobbling mode, then inconvenient when not only laying out in the plug, owing to the moment that first spring produced the dop is difficult for zero when the dop joint is in joint portion, can lead to the second spring to need design for the great spring of elasticity.

Preferably, the sleeve is provided with a supporting part, the supporting part is connected with an inner cover, a sliding hole is formed between the inner cover and the supporting part, the button is connected in the sliding hole in a sliding mode, and the ejector pin is hung on the sleeve. When the plug with the plug shell of the split structure is connected, the plug separation mechanism needs to be taken out and assembled back after the wire is connected, and a user may not know how the plug separation mechanism is assembled in the plug. The technical scheme realizes the modular design of the plug separating mechanism. The modular design facilitates the automated production and application of the present invention to integrated plugs (i.e., plugs in which the plug housing is an integral structure).

Preferably, the inner cover is provided with a limit pin penetrating through one end of the first spring, which is far away from the top pin. The possibility of axial bending of the first spring in the extrusion process can be reduced.

Preferably, the button and the clip are integrally formed. The reliability of the button driving the chuck is good.

Preferably, when the button is pressed, the chuck makes translational motion. The clamping head is separated from and combined with the clamping part in a translation mode.

Preferably, the ejector pin control mechanisms are two, two push buttons of the ejector pin control mechanisms are distributed on two sides of the ejector pin, the two ejector pin control mechanisms share the second spring, a sliding groove extending along the pressing direction of the push button from the end face of the inner end is formed in the inner end of one push button of the two ejector pin control mechanisms, the inner end of the other push button of the ejector pin control mechanism is connected in the sliding groove in a sliding mode, the second spring is located in the sliding groove and extends along the extending direction of the sliding groove, and two ends of the second spring are connected with the push buttons of the two ejector pin control mechanisms respectively. Compact structure and labor saving during driving.

Preferably, the inner end of the button of one of the two knock pin control mechanisms is provided with a sliding groove extending from the end surface of the inner end in the pressing direction of the button, the inner end of the button of the other knock pin control mechanism is connected in the sliding groove in a sliding manner, the second spring is located in the sliding groove and extends in the extending direction of the sliding groove, and two ends of the second spring are respectively connected with the buttons of the two knock pin control mechanisms.

Preferably, the inner end of the ejector pin is provided with a spring mounting hole extending along the extension direction of the ejector pin, and the first spring is arranged in the spring mounting hole in a penetrating manner. The height (the extension direction of the plug pin is the height direction of the plug) space of the plug can be utilized to the maximum extent, so that the height of a product is reduced, and the installation space of the spring can be increased.

Preferably, an L-pole on-off control switch is arranged in the plug housing, and includes a first contact, a second contact, a reversing block, a permanent magnet and a conductive block slidably connected between the first contact and the second contact, the conductive block is connected with the second contact through a conductive spring, the conductive block is hinged with a conductive arm, the first contact is connected with the L-pole plug pin, the second contact is used for leading out a power supply to a power line of the plug, the permanent magnet is used for adsorbing the conductive arm to be connected with the first contact, the conductive arm is further connected with a knock pin through a pull rope supported on the reversing block, when the chuck is clamped with the clamping portion, the conductive arm is connected with the first contact, and when the knock pin generates a displacement moving toward the outside of the plug housing from a position fixed by the clamping portion matched with the chuck portion, The ejector pin pulls and separates the conductive arm from the first contact through the inhaul cable. In the process of inserting the existing plug into the socket, as long as the plug pin is contacted with the plug bush of the socket, the plug pin is introduced into an electric appliance connected with the plug pin, but the plug pin needs to be inserted into place or pulled out after running on the plug bush for a certain distance and time, the plug pin and the plug bush of the socket can generate an ignition phenomenon sometimes in the inserting and pulling-out process, and the longer the ignition phenomenon is, the greater the possibility of generating adverse consequences (such as increasing contact resistance, igniting surrounding combustible substances and the like) is, and the technical scheme can shorten the ignition time. When the plug is inserted: when the knock pin did not contract completely to the position of being stuck through dop cooperation joint portion, the electrically conductive arm breaks off with first contact (also insert or the action in-process of extracting) under the effect of cable, though L utmost point bolt contacts with the plug bush, but electricity can not draw forth and form the return circuit through the electric apparatus through the electric wire of plug, thereby can not produce and strike sparks, after the plug inserts to target in place, the knock pin contracts to and is in the same place by the joint cooperation joint portion joint of card, the cable can not part electrically conductive arm and first contact this moment, electrically conductive arm makes first contact and second contact switch on with first contact together under the effect of permanent magnet, also the electricity can advance the plug to draw forth. When the plug is pulled out, the driving button enables the clamping head and the clamping portion to be separated, the first spring drives the ejector pin to stretch out, and the conductive arm and the first contact are pulled to be separated through the inhaul cable in the stretching process of the ejector pin so as to achieve power failure. The conductive arms are not arranged on the second contact, but are designed on the conductive block which can slide, and then the conductive block is connected with the second contact through the conductive spring, so that the convenience in manufacturing can be improved. If the cable is directly connected, the precision requirement on the length of the cable is high, the manufacturing difficulty is increased if the precision requirement is high, and the scheme can make up the length difference of the cable through the extension and contraction of the conductive spring.

The plug pin fixing assisting mechanism comprises a plug pin part pin hole arranged on the plug pin, a shell part pin hole arranged on the plug shell, a fixed pin positioned in the shell part pin hole, a magnet driving the fixed pin to move towards the shell part pin hole, an electromagnet driving the fixed pin to move towards the plug pin part pin hole after overcoming the suction force of the magnet, and a button switch, wherein the button switch is a normally closed switch, the electromagnet, the button switch and the L pole on-off control switch are connected in series between the L pole and the N pole of the plug pin, and the button is provided with a top head driving the press switch to be switched off when the press switch is pressed; when the knock pin is fixed by dop cooperation joint portion, knock pin portion pinhole and outer shell pinhole align, the degree of depth in knock pin portion pinhole is less than the length of fixed pin, the degree of depth in outer shell pinhole is greater than the length of fixed pin. Can enough reliably fix the atress in order to reduce the dop when the knock pin is in the shrink position, prevent that the dop from damaging, have can also break away from, can not influence popping out of knock pin when the bayonet lock breaks away from.

The invention has the following advantages: the device can be moved conveniently, and can effectively prevent the generation of unexpected movement.

Drawings

Fig. 1 is a schematic diagram of a first embodiment of the invention.

Fig. 2 is an exploded view of the plug.

Fig. 3 is an exploded view of the plug detachment mechanism.

Fig. 4 is a schematic cross-sectional view of a plug.

Fig. 5 is a schematic structural diagram of a plug in a second embodiment of the invention.

Fig. 6 is a control circuit diagram of the electromagnet.

Fig. 7 is an enlarged schematic sectional view of the filter.

Fig. 8 is a schematic top view of a filter plate.

FIG. 9 is a partially enlarged schematic view of FIG. 7 at A

In the figure: the plug comprises a plug shell 1, a plug pin 11, an L pole plug pin 11-1, an N pole plug pin 11-2, an E pole plug pin 11-3, a first half part 12, a top pin through hole 121, a second half part 13, a nut limiting hole 131, a shielding plate 14, a button avoiding hole 15, a plug separating mechanism 2, a top pin control mechanism 21, a button 211, a bulge 2211, a clamping part 212, a clamping head 213, a second spring 214, a sliding groove 215, a sleeve 22, a supporting part 221, an inner cover 222, a sliding hole 223, a limiting pin 224, a hanging step 225, a top pin 23, a spring installation hole 231, a first spring 24, an L pole on-off control switch 3, a first contact 31, a second contact 32, a reversing block 33, a permanent magnet 34, a conductive block 35, a connecting point 36 of the stay wire and the top pin, a conductive spring 37, a conductive arm 38, a stay wire 39, a top pin fixing assisting mechanism 4, a top pin part pin hole 41, a shell part pin hole, The water dispenser comprises a magnet 44, an electromagnet 45, a button switch 46, a top 47, a water dispenser body 5, a water tap 51, a water purifying mechanism 52, a water inlet pipe 53, a plug 54, a supporting leg 6, a threaded section 61, a threaded sleeve 62, a travelling wheel 63, a supporting cover 64, a filter 9, a column 91, a flow channel 911, an inlet end 912 of the flow channel, an outlet end 913 of the flow channel, a filter plate 92, a conical pit 921, a through hole 922, a dirt discharging rod 924, a pull ring 925, a dirt cleaning motor 94, a brush fixing rod 944, elastic bristles 945, a power output shaft 946 of the dirt cleaning motor and a hook head 947.

Detailed Description

The invention is further described with reference to the following figures and examples.

First embodiment, referring to fig. 1, a water dispenser with liftable traveling wheels comprises a water dispenser body 5. The water dispenser main body 5 is provided with a water tap 51, a water purification mechanism 52, a water inlet pipe 53, a plug 54 for introducing power and supporting legs 6. The water purification mechanism 52 is a mechanism of an existing structure for performing filtration, sterilization, or disinfection treatment on water. The outlet end of the water purifying mechanism 52 is connected with the water tap 51. The inlet end of the water purifying mechanism 52 is connected with the water inlet pipe 53. The inlet pipe 53 is detachably connected with the filter 9. The filter 9 is a filter of conventional construction. The plug 54 includes a plug housing 1 and blades 11. The lower end of the supporting foot 6 is provided with a threaded section 61. Threaded section 61 is threadedly attached to threaded sleeve 62. The lower end of the threaded section 61 is connected with a travelling wheel 63. The threaded sleeve 62 is connected to a support cage 64 that is movable to a lower end below the road wheels and over the road wheels to raise the road wheels off the ground and movable to a lower end above the road wheels. A mirror layer 65 is provided on the outer surface of the support cover 64.

In use, the water inlet 53 is connected to a water source to introduce water into the present invention. When the invention needs to be moved, the threaded sleeve 62 is rotated to drive the support cover 64 to move up to the lower end of the walking wheel 63 lower than the support cover 64, and the invention is supported by the walking wheel 63 and then moved; when the invention does not need to be moved, the threaded sleeve 62 is rotated to drive the support cover 64 to move downwards until the lower end of the support cover 64 is lower than the travelling wheel 63, and the support cover 64 jacks up the travelling wheel 63, namely the invention is supported by the support cover 64, so that the invention is not easy to move.

The specific structure of the plug in this embodiment is:

referring to fig. 2, the plug further comprises a plug detaching mechanism 2.

There are three pins 11. The three bolts 11 are respectively an L-pole bolt 11-1, an N-pole bolt 11-2 and an E-pole bolt 11-3. The plug housing 1 comprises a first half 12 and a second half 13. The latch 11 is attached to the first half 12. The first half 12 and the second half 13 are fixed together by passing a bolt through the first half 12 and then screwing on a nut in a nut limiting hole 131 of the second half 13, and the second half 13 is also provided with a shielding plate 14. The shielding plate 14 is used for shielding the nut limiting hole 131. The butt joint of the first half 12 and the second half 13 is provided with a button escape hole 15.

The plug separating mechanism 2 comprises a knock pin control mechanism 21, a sleeve 22 and a knock pin 23 which is arranged in the sleeve in a penetrating way. Two knock pin control mechanisms 21 are provided. Two knock pin control mechanisms 21 are distributed on both sides of the knock pin 23. The knock pin control mechanism 21 includes a button 211. A holder 221 is provided at one end of the sleeve 22. There are 2 holding portions 221. The 2 supporters 221 are distributed on both sides of the sleeve 22. The inner lid 222 is connected to the holding portion 221. A slide hole 223 is formed between the inner lid 222 and the holder 221. The button 211 is slidably coupled in the slide hole 223 such that the button 211 is slidably coupled to the holder 221.

Referring to fig. 3, the plug detaching mechanism 2 further includes a first spring 24. The first spring 24 includes an inner first spring 241 and an outer first spring 242. The outer first spring 242 is sleeved on the inner first spring 241. The inner end of the knock pin 23 is provided with a spring mounting hole 231 extending in the knock pin extending direction. The inner lid 222 is provided with a stopper pin 224. The knock pin control mechanism 21 further includes a catching portion 212, and a second spring 214 for catching the catch 213, which keeps the knock pin in a contracted state, to the catching portion. A catching portion 212 is provided on an outer surface of an inner end of the knock pin 23. The clamping portion 212 is a protrusion structure. The chuck 213 is integrally formed with the button 211. The second spring 214 is shared by the two knock pin control mechanisms 21.

The inner end of the push button of the left knock pin control mechanism of the two knock pin control mechanisms 21 is provided with a slide groove 215 extending from the inner end surface in the push direction of the push button.

The method for assembling the invention comprises the following steps:

referring to fig. 4, the inner surface of the outer end of the sleeve 22 is provided with a hanging step 225. When the knock pin 23 is protruded to the state that the catching portion 212 is hooked on the hanging step 225, the knock pin 23 cannot be further moved outward to be hung in the sleeve 22.

The knock pin 23 is inserted into the sleeve 22, and the first spring 24 is inserted into the spring mounting hole 231 of the knock pin 23. The push button of the knock pin control mechanism 21 located on the left side is put on the holder 221, and the chuck 213 is located on the right side of the knock pin and engaged with the catch 212 located on the right side. The second spring 214 is seated in the slide slot 215. The push button of the ejector pin control mechanism positioned on the right side is placed in the sliding groove 215 to realize shock insulation on the supporting part, and the clamping head of the push button is positioned on the left side of the ejector pin and is not matched with the clamping joint positioned on the left side. The two ends of the second spring 214 are respectively connected with the push buttons of the two knock pin control mechanisms. The inner lid 222 is then snapped onto the holder 221, and the stopper pin 224 is inserted into an end of the first spring 24 away from the top pin. The assembly of the plug separating mechanism 2 is now and completed, the plug separating mechanism 2 forming a connected module.

The plug disconnect mechanism is then installed within the plug housing 1 with the ejector pins 23 aligned with the ejector pin through holes 121 on the first half 12. And finally, fixing the first half part 12 and the second half part 13 together through bolts and nuts. After assembly, the button 211 extends out of the plug housing 1 through the button escape hole 15.

The process of pulling the invention out of the socket is as follows: simultaneously pressing the buttons 211 of the two knock pin control mechanisms 21, the buttons 211 generating inward-contracting translational motion, driving the chucks 213 to do translational motion in the same direction and simultaneously extruding the second spring 214 to store energy when the buttons move, the chucks 213 separating from the clamping part 212, the first spring 24 releasing energy and driving the knock pin 23 to extend out from the first half part 12, the extending result is extruding the socket shell, the socket shell generating reaction force to the knock pin 23 and enabling the plug pin 11 to be pulled out from the socket

The second embodiment is different from the first embodiment in that:

referring to fig. 5, an L-pole on-off control switch 3 and a knock pin fixing power-assisted mechanism 4 are further arranged in the plug housing 1. The L-pole on-off control switch 3 includes a first contact 31, a second contact 32, a commutation block 33, a permanent magnet 34, and a conductive block 35. The first contact 31 is electrically connected to the L-pole pin. The second contact 32 can also be connected to a terminal of the plug, which is connected to the L-line of the power supply line, or can be a terminal itself. The commutation block 33 is fixed to the plug housing 1. The reversing block 33 and the connecting point 36 of the pulling cable and the ejector pin are positioned on the same straight line which is perpendicular to the extending direction of the ejector pin. The conductive block 35 is slidably coupled within the plug housing in the direction of the distribution of the first and second contacts. The conductive block 35 is located between the first contact 31 and the second contact 32. The conductive block 35 is electrically connected to the second contact 32 by a conductive spring 37. The conductive spring 37 is a tension spring. The conductive block 35 is hinged with a conductive arm 38. The conductive arm 38 is connected to the knock pin 22 by a stay 39. When the chucking head 213 is chucked in the chucked portion 212, the conductive arm 38 and the first contact 31 are butted together by the attraction force of the permanent magnet 34 to the conductive arm 38 to realize electric conduction. In this embodiment, the length of the cable is such that the first contact and the conductive arm can be conducted only when the chuck 213 is clamped on the clamping portion 212. At this time, the L-pole plug is conducted through the first contact 31, the conductive arm 38, the conductive block 35, the conductive spring 37 and the second contact 32, so that electricity can be introduced into the electric appliance provided with the plug of the present invention.

When the push button 211 is pushed to disengage the catch head 213 and the catch portion 212, the knock pin 22 is extended outward from the plug housing 1, i.e., a displacement is generated to move toward the outside of the plug housing, and when the knock pin 22 moves, the conductive arm 38 is pulled by the pulling cable 39 to rotate and separate from the first contact 31, so that electricity cannot be led out through the L-pole plug pin. If the length of the cable is insufficient and interferes with the output of the knock pin in the process, the shortage of the length of the cable is compensated through the deformation of the conductive spring 37.

The knock pin fixing assist mechanism 4 includes a knock pin portion pin hole 41, a housing portion pin hole 42, a fixing pin 43, a magnet 44, an electromagnet 45, and a push switch 46. The knock pin hole 41 is provided in the knock pin 22. The depth of the knock pin hole 41 is smaller than the length of the fixing pin 43. The housing part pin holes 42 are provided in the plug housing 1. The depth of the housing pin hole 42 is greater than the length of the fixing pin 43. When knock pin 22 is fixed by chuck 213 engaging with retainer 212, knock pin hole 41 and housing pin hole 42 are aligned. The securing pin 43 is located within the housing portion pin aperture 42. An electromagnet 45 is provided on the knock pin 22 for attracting the fixing pin 43 so that the fixing pin 43 moves toward the knock pin. The fixing pin 44 is fixed in the plug housing 1 and used for driving the fixing pin 43 to retract into the housing part pin hole 42, and the attraction force generated by the electromagnet 45 to the fixing pin 43 is larger than the attraction force generated by the magnet 44 to the fixing pin 43. The push switch 46 is a normally closed switch. The button 211 is provided with a plug 47. When the push button 211 is pushed to separate the chuck 213 from the engaging portion 212, the push head 47 pushes the push head of the push switch 46 to turn off the push switch 46, and when the push button 211 is reset, the push head 47 loses the pushing action of the push switch 46 to reset the push switch 46.

Referring to fig. 6, the electromagnet 45, the button switch 46 and the L-pole on-off control switch 3 are connected in series between the L-pole plug 11-1 and the N-pole plug 11-2 of the plug 11.

Referring to fig. 5 and 6, when the knock pin 22 is fixed by the chuck 213 in cooperation with the clamping portion 212, the knock pin hole 41 is aligned with the shell pin hole 42, at this time, the knock 47 cannot press the button switch 46 to be in a closed state, the knock pin fixing assisting mechanism 4 is also in a closed state, the electromagnet 45 is electrified, the attraction force generated by the electromagnet 45 overcomes the attraction force generated by the magnet 44, so that the fixing pin 43 is inserted into the knock pin hole 41, because the length of the fixing pin is greater than the depth of the knock pin hole 41, part of the fixing pin is inserted into the shell pin hole 42, and the fixing pin 43 fixes the knock pin 22 and the plug shell 1 together to assist the fixing of the chuck in cooperation with the clamping portion. When the push button 211 is pressed to extend the knock pin 22, the push button 211 also presses the push button switch 46 through the knock 47 to turn off the push button switch, so that the electromagnet 45 is powered off, the electromagnet 45 loses the adsorption function, and the fixing pin is completely retracted into the housing pin hole 42 by the adsorption force of the magnet 44. The ejector pin is popped out by the first spring, and when the ejector pin is popped out to the fixed boosting mechanism 4 of ejector pin and is also disconnected, no electricity exists even if the button is loosened by the electromagnet, so that the effect of reducing abrasion between the fixed pin and the ejector pin is achieved.

Referring to fig. 7, the filter 9 includes a cylinder 91 and a filter plate 92. The column 91 extends in the up-down direction. The column 91 is inserted into the water inlet pipe through two ends and then fixed through the hoop to realize detachable connection with the water inlet pipe. A flow passage 911 is provided in the column 91. The flow passage 911 extends from the upper end surface to the lower end surface of the column 91. The inlet end 912 of the flow passage is located on the upper end face of the cylinder 91 and the outlet end 913 of the flow passage is located on the lower end face of the cylinder 91. The filter plate 92 is disposed within the flow passage 911. The filter plate 92 is secured to the flow channel 911. The end of the filter plate 92 facing the inlet end, i.e. the upper end in the figure, is provided with conical depressions 921. A plurality of through holes 922 distributed along the circumferential direction of the conical depressions 921 are arranged in the conical depressions 921. The via holes 922 communicate the portions of the flow channels 911 on both sides of the filter plate. The filter plate 92 is provided with a dirt cleaning motor 94 at its end facing the outlet end of the flow passage. The power take-off 946 of the trash cleaning motor penetrates into the conical recess 921. The power output shaft of the decontamination motor is connected with a plurality of brush fixing rods 944. The brush attachment bar 944 is provided with a plurality of elastomeric bristles 945 that extend into the through holes 922. A dirt discharge rod 924 is arranged at one end of the through hole 922 along the circumferential direction of the conical pit.

Referring to fig. 8, the dirt escape bar 924 is located in front of the through hole 922 in the direction of rotation of the brush fixing bar (when in use, the brush fixing bar 944 is mounted to rotate clockwise). The ends of the elastomeric bristles 945 are provided with hook heads 947. The elastomeric bristles 945 can extend into the vias 922 as they pass through the vias 922.

Referring to fig. 9, a pull ring 925 is formed between the dirt bar 924 and the wall of the conical recess 921. The hook head of the elastomeric bristles 945 can hook into the pull ring 925 as they pass over the vented bar 924.

Referring to fig. 8 and 9, when in use, the dirt removing motor 94 drives the brush fixing rod 944 to rotate, the elastic bristles 945 extend into the through holes 922 to hook out the dirt blocked in the through holes, the hook heads hook the pull rings 925 when passing through the dirt discharging rod 924, the dirt discharging rod 924 enables the hook heads to stretch elastically to remove the dirt on the hook heads and prevent the dirt from being brought into the next through holes, and the hook heads move away from the dirt discharging rod 924 and are bent again under the elastic action to form the hook heads.

Claims

1. A water dispenser with liftable travelling wheels comprises a water dispenser main body, wherein the water dispenser main body is provided with a faucet and a plug for introducing a power supply, and the water dispenser main body is further provided with supporting legs, the lower ends of the supporting legs are provided with threaded sections, the threaded sections are in threaded connection with threaded sleeves, the lower ends of the threaded sections are connected with the travelling wheels, the threaded sleeves are connected with supporting covers, the lower ends of the supporting covers can be moved to be lower than the travelling wheels and sleeved on the travelling wheels to lift the travelling wheels off the ground, the lower ends of the supporting covers can be moved to be higher than the travelling wheels, mirror layers are arranged on the outer surfaces of the supporting covers, each plug comprises a plug shell and a plug separating mechanism, each plug shell is provided with an L-pole plug pin, an N-pole plug pin and an E-pole plug pin, each plug separating mechanism comprises a sleeve, a top pin penetrating through the, knock pin control mechanism is including setting up in the joint portion of knock pin, making the knock pin keep in the dop of shrink state, drive chuck card to the second spring in joint portion and the button of drive dop with the separation of joint portion with the cooperation of joint portion, the sleeve pipe is located the plug shell, be equipped with the confession on one side that the plug shell was equipped with the bolt knock pin via hole that the knock pin was worn out, button one end is worn to establish on the plug shell, dop and button distribute be in the radial both sides of knock pin, button and dop bond together.

2. The water dispenser with the liftable travelling wheels as claimed in claim 1, wherein the water dispenser body is further provided with a water purifying mechanism, the outlet end of the water purifying mechanism is connected with the faucet, the inlet end of the water purifying mechanism is provided with a water inlet pipe for connecting with a water source, the water inlet pipe is provided with a filter, and the filter is detachably connected with the water inlet pipe.

3. The water dispenser with liftable travelling wheels as claimed in claim 2, wherein the filter comprises a vertical cylinder, a vertical flow passage is arranged in the cylinder, the inlet end of the flow passage is the upper end, a filter plate is arranged in the flow passage, the filter plate is provided with a plurality of through holes, one side of the filter plate facing the inlet end of the flow passage is provided with a conical pit, the other side of the filter plate is provided with a dirt removing motor, the through holes are arranged in the conical pit, the rotating shaft of the dirt removing motor extends into the conical pit and is connected with a plurality of brush fixing rods, and the brush fixing rods are provided with a plurality of elastic bristles which can extend into the through holes.

4. The water dispenser with the liftable travelling wheels as claimed in claim 1, 2 or 3, wherein the sleeve is provided with a supporting part, the supporting part is connected with an inner cover, a sliding hole is formed between the inner cover and the supporting part, the button is connected in the sliding hole in a sliding manner, and the ejector pin is hung in the sleeve.

5. The water dispenser with the liftable travelling wheels as claimed in claim 1, 2 or 3, wherein the number of the ejector pin control mechanisms is two, the buttons of the two ejector pin control mechanisms are distributed on two sides of the ejector pin, the two ejector pin control mechanisms share a second spring, the inner end of the button of one ejector pin control mechanism of the two ejector pin control mechanisms is provided with a sliding groove which extends from the end surface of the inner end along the pressing direction of the button, the inner end of the button of the other ejector pin control mechanism is connected in the sliding groove in a sliding manner, the second spring is positioned in the sliding groove and extends along the extending direction of the sliding groove, and two ends of the second spring are respectively connected with the buttons of the two ejector pin control mechanisms.

6. The water dispenser with the liftable travelling wheels as claimed in claim 1, 2 or 3, wherein the inner end of the ejector pin is provided with a spring mounting hole extending along the extension direction of the ejector pin, and the first spring is arranged in the spring mounting hole in a penetrating manner.

7. The water dispenser with the liftable travelling wheels as claimed in claim 1, 2 or 3, wherein an L-pole on-off control switch is arranged in the plug housing, the L-pole on-off control switch comprises a first contact, a second contact, a reversing block, a permanent magnet and a conductive block connected between the first contact and the second contact in a sliding manner, the conductive block is connected with the second contact through a conductive spring, the conductive block is hinged with a conductive arm, the first contact is connected with the L-pole bolt, the second contact is used for leading out a power supply to a power line of the plug, the permanent magnet is used for adsorbing the conductive arm to be connected with the first contact, the conductive arm is further connected with a top pin through a guy cable supported on the reversing block, and the conductive arm is connected with the first contact when the chuck is clamped with the clamping part, the ejector pin passes through from producing the displacement towards the outside removal of plug shell by the position that is fixed of card head cooperation joint portion the ejector pin is with electrically conductive arm and first contact pulling separation.

8. The water dispenser with the liftable travelling wheels is characterized by further comprising a jacking pin fixing and assisting mechanism, wherein the jacking pin fixing and assisting mechanism comprises a jacking pin part pin hole formed in the jacking pin, a shell part pin hole formed in the plug shell, a fixing pin positioned in the shell part pin hole, a magnet driving the fixing pin to move towards the pin hole of the shell part, an electromagnet driving the fixing pin to move towards the jacking pin part pin hole after overcoming the suction force of the magnet, and a button switch, wherein the button switch is a normally closed switch, the electromagnet, the button switch and the L-pole on-off control switch are connected in series between the L-pole bolt and the N-pole bolt, and the button is provided with a jacking head driving the pressing switch to be disconnected when being pressed; when the knock pin is fixed by dop cooperation joint portion, knock pin portion pinhole and outer shell pinhole align, the degree of depth in knock pin portion pinhole is less than the length of fixed pin, the degree of depth in outer shell pinhole is greater than the length of fixed pin.