CN104107006A - Suction unit for window wiper - Google Patents

Abstract

The invention relates to a glass surface cleaning device, in particular to a suction unit for a window wiper. The suction unit comprises a motor and an impeller, wherein the front end of an output shaft of the motor is exposed out of a front end cover of the motor; the impeller is arranged at the front end of the output shaft of the motor; a radiator is arranged on the front end cover of the motor, is positioned between the impeller and the front end cover of the motor, and is a disk-shaped metal radiating fin of which the middle is provided with a boss; the table top of the boss is attached to the front end cover of the motor; the middle of the table top of the boss is provided with a center hole through which the front end of the output shaft passes. According to the suction unit, the radiator is arranged on the front end cover of the motor, thereby improving the heat-dissipating effect of the motor, and prolonging the life of the motor; the radiator is positioned between the impeller and the front end cover of the motor, and heat of the radiator can be rapidly taken away by air current blown out by the impeller, thereby improving the heat-dissipating effect.

Description

The suction unit that a kind of window is scraped

Technical field

The present invention relates to a kind of glass surface cleaning device, relate in particular to the suction unit that a kind of window is scraped.

Background technology

Window is scraped and is mainly used in the clean of glass surface (or other crust), and it can aspirate to the liquid (such as cleaning solution) on glass surface (or other crust) removing and/or to glass surface spraying cleaning liquid etc.Chinese invention patent application prospectus CN103222831A for example, CN103251348A, CN101909499A, it is the technical scheme that window is scraped that CN103251347A all discloses a kind of glass surface cleaning device, wherein the disclosed portable hard surface vacuum of CN101909499A is provided with suction unit, this suction unit comprises air-breathing turbine (being impeller) and motor, thereby motor drives air-breathing turbine to rotate, produce negative-pressure sucking and attract liquid and the air mixture on crust, but the electric motor overheating amount of this suction unit is large and there is no a suitable radiator structure, radiating effect is poor, easily cause motor to burn, reduce service life.

Summary of the invention

The suction unit that provides a kind of window to scrape is provided the object of the invention, and these suction unit facility have good radiating effect, extends the service life of motor.

Above-mentioned purpose is achieved by the following technical solution:

The suction unit that window is scraped, comprises motor and impeller, and the front end of the output shaft of motor is exposed to the drive end bearing bracket of motor, and impeller is arranged on the front end of the output shaft of motor, it is characterized in that: on the drive end bearing bracket of motor, radiator is installed.

Above technical scheme can be further improved by following measures:

This radiator is between impeller and the drive end bearing bracket of motor.

This radiator is that a centre is provided with dish-shaped metal fin of being of boss, and the table top of boss is adjacent to the drive end bearing bracket of motor, offers a centre bore passing for the front end of output shaft in the middle of the table top of boss.

On the table top of boss, be also provided with several installing holes, the drive end bearing bracket of motor is provided with the screw corresponding with each installing hole, and metal fin is arranged on the drive end bearing bracket of motor by screw.

The quantity of installing hole is more than 2, and 2 above installing holes are arranged around centre bore.

The drive end bearing bracket of motor is made by metal material, and metal fin is made by aluminium or aluminium alloy or copper or copper alloy.

This window is scraped and is comprised that window is scraped main frame and for generation of the steam generator of steam, this window scrape main frame comprise host housing, for cleaning glass when surface draw the liquid of glass surface and the suction nozzle with battery unit of air mixture, suction nozzle with battery unit, for collecting the catch box of the liquid sucking from suction nozzle with battery unit and for spraying the nozzle of the steam being produced by steam generator, suction machine is mounted on this window and scrapes on main frame and with suction nozzle with battery unit and is communicated with so that suction nozzle with battery unit generation suction, steam generator is arranged on window in removable mode and scrapes on the host housing of main frame, window is scraped main frame and is also comprised the first pipeline and the first joint, and the first jiont treatment is on host housing, and the first pipeline is connected between nozzle and the first joint, steam generator comprises the second joint that the steam for steam generator is produced that can dock with the first joint is outwards exported, when steam generator is arranged on host housing, the first joint docks with the second joint, and the steam that steam generator produces sprays from nozzle after the second joint, the first joint, the first pipeline, steam generator also comprises for heater, storage tank, second pipe, the 3rd pipeline and the 6th pipeline to generating steam after water heating, heater is provided with heater water inlet and heater gas outlet, storage tank is provided with storage tank delivery port, the second joint is provided with second channel, third channel and the 6th passage, the 6th pipeline is connected between storage tank delivery port and the 6th passage, the 3rd pipeline is connected between heater water inlet and third channel, and second pipe is connected between heater gas outlet and second channel, window scrapes that main frame also comprises the 4th pipeline, the 5th pipeline and for send the pump assembly of water from storage tank to heater, pump assembly is provided with pump assembly water inlet and pump assembly delivery port, the first joint is provided with first passage, four-way and Five-channel, the 5th pipeline is connected between pump assembly water inlet and Five-channel, the 4th pipeline is connected between pump assembly delivery port and four-way, and the first pipeline is connected between nozzle and first passage, when the first joint docks with the second joint, first passage is communicated with second channel, third channel is communicated with four-way, Five-channel and the 6th channel connection, now, storage tank, storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump assembly water inlet, pump assembly, pump assembly delivery port, the 4th pipeline, four-way, third channel, the 3rd pipeline and heater water inlet form a current road, and heater gas outlet, second pipe, second channel, first passage, the first pipeline and nozzle form a vapor flow path, this pump assembly comprises a push type one-way control valve, this pressure type one-way control valve comprises valve body, be located at spool in valve cavity, be located in valve cavity and the spool push rod that acts on the back-moving spring of spool and act on spool, and pump assembly water inlet and pump assembly delivery port are all located on valve body and with valve cavity and are communicated with, press the external part of this spool push rod and overcome the effect of back-moving spring and move along valve cavity with movable valve plug, make valve cavity form high pressure, and the water entering in valve cavity is pushed in heater through pump assembly delivery port, the 4th pipeline, four-way, third channel, the 3rd pipeline and heater water inlet successively, unclamp the external part of this spool push rod, spool resets under the effect of back-moving spring, and make valve cavity form negative pressure, thereby the water in storage tank is sucked in valve cavity successively through storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump assembly water inlet, between host housing and steam generator, be provided with engaging support mechanism, steam generator is locked on host housing by engaging support mechanism, steam generator also comprises generator shell, the top of generator shell is provided with the groove that insert a bottom for host housing, engaging support mechanism comprises button and elastic reset member, in generator shell, be provided with container, button is arranged in container slippingly and the head of button stretches out for user and presses from the sidewall of generator shell, the afterbody of button is provided with a grab stretching out from the bottom surface of groove, in host housing, be provided with the main frame groove coordinating with grab, the bottom surface of host housing is provided with for grab and extend into the perforation in host housing, when steam generator is arranged on host housing, grab extend in host housing through perforation, button switches between a latched position and a unlocked position, button is when latched position, and grab embeds in main frame groove so that steam generator is locked on host housing, when button is in the unlocked position, grab exits main frame groove so that steam generator is detachable, elastic reset member is located between container and button, by elastic reset member, make button there is all the time the movement tendency of the latched position of being returned to, press button and order about the effect that button overcomes elastic reset member and move to unlocked position from latched position, after release button, elastic reset member orders about button and is returned to latched position from unlocked position, the first jiont treatment is on the bottom surface of host housing, and the second jiont treatment is on the bottom surface of groove.

This window is scraped main frame and is also comprised an aspiration through catch box, suction nozzle with battery unit is communicated with by aspiration with suction unit, the upper end of aspiration is connected with suction nozzle with battery unit, the lower end of aspiration is connected with suction unit, this aspiration is provided with one section of gas-liquid separation pipe, gas-liquid separation pipe comprises the body of a hollow, the upper end of body is provided with gas-liquid flow entrance, the lower end of body is provided with gas outlet, the sidewall of body offers gas-liquid flow outlet and the air intake mutually staggering, gas-liquid flow outlet and air intake are all communicated with the cavity of catch box and make gas-liquid flow outlet be connected state by cavity and the air intake of catch box, in body, be provided with one body is divided into the retaining wall of an upper section and a lower section, gas-liquid flow entrance and gas-liquid flow export are all positioned at epimere, air intake and gas outlet are all positioned at hypomere, retaining wall tilts, the downside that the low side of retaining wall exports near gas-liquid flow, the high-end upside near air intake of retaining wall.

Nozzle comprises that one is installed on the nozzle body on host housing, this nozzle body is provided with at least one and enters tracheae and 2 above fumaroles, in this nozzle body, be provided with air chamber, enter tracheae and each fumarole and be all communicated with air chamber, the steam that enters into air chamber from entering tracheae is sprayed by each fumarole; All fumaroles are yi word pattern and arrange; Suction nozzle with battery unit is provided with the flexible scraping article of strip, and the orientation of all fumaroles is parallel to the length direction of scraping article.

Host housing is provided with the window gripping for user and scrapes handle, this window is scraped is also furnished with an assist handle, this assist handle comprises that one is installed on this window in removable mode and scrapes main part and on handle and be available for users to grip the holding rod of scraping to lift high this window, and holding rod is installed on main part; This main part comprises a housing, and housing is provided with one and is sheathed on this window and scrapes the trepanning outside handle for this housing, and housing is set in this window through this trepanning and scrapes outside handle; This trepanning runs through housing up and down and forms a upper opening and a lower openings; On this housing, be also provided with a side mouth being communicated with this trepanning, this side mouth extends to lower openings from upper opening and for this window, scrapes handle and laterally enter in trepanning from this side mouth; This housing is provided with one and selectively to allow or to stop this this window to scrape handle, enters or walk out this trepanning for opening or close the latching device of this side mouth; This latching device comprises handle and grab body, and this handle pivot is connected on housing and is positioned at a side of side mouth; On housing, be provided with housing groove in the opposite side of this side mouth; One end of this grab body is articulated on handle, and the other end is provided with the flange that can be embedded in housing groove; When latching device is closed this side mouth, flange is embedded in housing groove; When latching device is opened this side mouth, flange exits housing groove.

Each technical measures can be selected a use above, and yet use capable of being combined, as long as do not form each other conflict.

The present invention compared with prior art tool has the following advantages:

(1) the suction unit that this window is scraped, motor and impeller, the front end of the output shaft of motor is exposed to the drive end bearing bracket of motor, impeller is arranged on the front end of the output shaft of motor, on the drive end bearing bracket of motor, radiator is installed, radiator can strengthen the radiating effect of motor, extends the service life of motor;

(2) this radiator is between impeller and the drive end bearing bracket of motor, and like this, the air-flow that impeller blows out can be taken away the heat of radiator fast, strengthens radiating effect;

(3) this radiator is a middle dish-shaped metal fin of being of boss that is provided with, and the drive end bearing bracket that the table top of boss is adjacent to motor transmits heat radiation to realize contact, enhancing radiating effect;

(4) on the table top of boss, be also provided with several installing holes, the drive end bearing bracket of motor is provided with the screw corresponding with each installing hole, metal fin is arranged on the drive end bearing bracket of motor by screw, is convenient to, on drive end bearing bracket that radiator is arranged on motor, simple and fast is installed;

(5) drive end bearing bracket of motor is made by metal material, and metal fin is made by aluminium or aluminium alloy or copper or copper alloy, can strengthen radiating effect, reaches quick heat radiating;

(6) steam generator that window of the present invention is scraped is arranged on window in removable mode and scrapes on the host housing of main frame, steam generator and window are scraped to main frame independently, steam generator when need to being used steam function, is installed in realization, when not needing to use steam function, pull down steam generator, hommization appropriate design, very easy to use, adopt the first joint to dock with the second joint and realize between steam generator and nozzle and being communicated with, simple and compact for structure, easy accessibility, when the first joint docks with the second joint, storage tank, storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump assembly water inlet, pump assembly, pump assembly delivery port, the 4th pipeline, four-way, third channel, the 3rd pipeline and heater water inlet form a current road, realization is carried water (or cleaning solution) to heater, and heater gas outlet, second pipe, second channel, first passage, the first pipeline and nozzle form a vapor flow path, realize ejection steam function, the pipeline structure that is converted to steam by water (or cleaning solution) is reasonable in design simple, between host housing and steam generator, be provided with engaging support mechanism, steam generator is locked on host housing by engaging support mechanism, adopts engaging support mechanism can make steam generator and window scrape main frame easy accessibility, engaging support mechanism adopts grab to realize release or locking with coordinating of main frame groove, simple in structure, easy to operate, the first jiont treatment is on the bottom surface of host housing, the second jiont treatment is on the bottom surface of groove, and while inserting groove in the bottom of host housing, the first joint can complete and dock with the second joint, reasonable in design, easy to operate,

(7) in the body of gas-liquid separation pipe, be provided with one body is divided into the retaining wall of an upper section and a lower section, gas-liquid flow entrance and gas-liquid flow export are all positioned at epimere, air intake and gas outlet are all positioned at hypomere, retaining wall tilts, the downside that the low side of retaining wall exports near gas-liquid flow, the high-end upside near air intake of retaining wall, gas-liquid separation tubular construction is simple, reasonable in design, easy to manufacture;

(8) nozzle comprises that one is installed on the nozzle body on host housing, this nozzle body is provided with 2 above fumaroles, 2 above fumaroles spray steam simultaneously, increase the spray area of steam, this nozzle can expand the jet scope of glass surface (or other crust) so that glass surface (or other crust) is evenly jet, reasonable in design, and cleaning effect is better, clean more comprehensively, cleaner; When clean, because the orientation of all fumaroles is parallel to the length direction of scraping article, a plurality of fumaroles coordinate the flexible scraping articles of strip, in the inswept region major part of the flexible scraping article of strip, be sprayed steam, make cleaning effect better, clean more comprehensively, cleaner;

(9) this window is scraped and is also furnished with an assist handle, this assist handle comprises that one is installed on this window in removable mode and scrapes main part and on handle and be available for users to grip the holding rod of scraping to lift high this window, glass surface higher part is divided while cleaning, this assist handle is arranged on to this window to be scraped on handle, the holding rod operation window of the hand-held assist handle of user is scraped, when not using this assist handle, assist handle can be pulled down, it is not only simple in structure, and very easy to use, to cleaning, brought facility.

Accompanying drawing explanation

Fig. 1 and 2 is two different angles schematic perspective views that window that the present invention applies is scraped, and wherein, steam generator is arranged on window and scrapes on main frame;

Fig. 3 is that the window that window that the present invention applies is scraped is scraped the schematic diagram after main frame and steam generator dismounting;

Fig. 4 is the perspective exploded view that window that the present invention applies is scraped;

Fig. 5 is the cross-sectional schematic that window that the present invention applies is scraped, and wherein, steam generator is arranged on window and scrapes on main frame;

Fig. 6 is the A-A cutaway view of Fig. 5;

Fig. 7 is the C portion partial enlarged drawing of Fig. 6, and wherein, button is in latched position;

Fig. 8 is the C portion partial enlarged drawing of Fig. 6, and wherein, button is in the unlocked position;

Fig. 9 is button that window that the present invention applies is scraped while being in the unlocked position, steam generator dismounting (or installation) schematic diagram;

Figure 10 is the B portion partial enlarged drawing of Fig. 5;

Figure 11 is the schematic perspective view after the first joint that window that the present invention applies is scraped docks with the second joint;

Figure 12 is the first joint of scraping of window that the present invention applies and the perspective exploded view of the second joint;

Figure 13 is the cross-sectional schematic after the first joint that window that the present invention applies is scraped docks with the second joint;

Figure 14 is the connection diagram of window that the present invention applies the first joint, the second joint, the first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the 5th pipeline, the 6th pipeline, nozzle, pump assembly, heater and the storage tank scraped;

Figure 15 is the schematic perspective view of the gas-liquid separation pipe scraped of window that the present invention applies;

Figure 16 is the cross-sectional schematic of the gas-liquid separation pipe scraped of window that the present invention applies;

Figure 17 is the schematic perspective view of the nozzle scraped of window that the present invention applies;

Figure 18 is the cross-sectional schematic of the nozzle scraped of window that the present invention applies;

Figure 19 is cross-sectional schematic of the present invention;

Figure 20 is perspective exploded view of the present invention;

Figure 21 is that assist handle that window that the present invention applies is scraped is installed on window and scrapes the use view after handle;

Figure 22 is the partial schematic diagram that the window of Fig. 1 is scraped handle place;

Figure 23 is the perspective exploded view of the assist handle scraped of window that the present invention applies;

Figure 24 and Figure 25 are two different angles schematic perspective views of the main part of the assist handle scraped of window that the present invention applies, and wherein latching device is in locking state;

Figure 26 is the schematic perspective view of the main part of the assist handle scraped of window that the present invention applies, and wherein latching device is in released state;

Figure 27 is the Yi Ge orthographic projection view of the main part of the assist handle scraped of window that the present invention applies, and wherein latching device is in released state;

Figure 28 is two minutes bars that are connected of the assist handle scraped of window that the present invention applies and the cutaway view of the assembly structure between them;

Figure 29 is the decomposing schematic representation of Figure 28;

Figure 30 is the schematic perspective view of the expand tube of the assist handle scraped of window that the present invention applies;

In above-mentioned Fig. 1 to Figure 10, all do not show the first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the 5th pipeline and the 6th pipeline.

Reference numeral:

M window is scraped main frame;

Z steam generator;

The bottom surface of the external part of 4 host housings, 41 first pipelines, 42 first joints, 421 first passages, 422 four-ways, 423 Five-channels, 43 the 4th pipelines, 44 the 5th pipelines, 45 valve bodies, 451 pump assembly water inlets, 452 pump assembly delivery ports, 46 spools, 47 back-moving springs, 48 spool push rods, 481 spool push rods, 49 main frame grooves, 401 host housings, 402 perforation;

5 suction nozzle with battery unit, 51 scraping articles; 6 suction units, 61 motors, 611 output shafts, the drive end bearing bracket of 612 motors, 613 screws, 62 impellers, 63 metal fins, 631 boss, 632 centre bores, 633 installing holes; High-end, the cavity of 72 catch boxs of the low side of 7 catch boxs, 71 bodys, 711 gas-liquid flow entrances, 712 gas outlets, 713 gas-liquid flow outlets, 714 air intakes, 715 epimeres, 716 hypomeres, 717 retaining walls, 7171 retaining walls, 7172 retaining walls, 73 approach sections, 74 changeover portions, 75 rears; 8 nozzles, 81 nozzle bodies, 82 enter tracheae, 83 fumaroles, 84 air chambers;

9 steam generators, 91 second pipes, 92 second joints, 921 second channels, 922 third channels, 923 the 6th passages, 93 the 3rd pipelines, 94 the 6th pipelines, 95 heaters, 951 heater water inlets, 952 heater gas outlets, 96 storage tanks, 961 storage tank delivery ports, 962 are the mouth of a river, 97 grooves, 98 buttons, 99 elastic reset members, 901 containers, 902 grabs, 903 power lines not;

3 windows are scraped handle; 1 main part, 11 trepannings, 111 upper openings, 112 lower openings, 113 side mouth, 12 housings, 121 housing grooves, 13 handles, 14 grab bodies, 141 flanges, 15 jacks, 151 locating holes, 16 projections; Jack on the head end of joint minute bars after 2 holding rods, 21 minutes bars, 211, tail end that 212 last joints divide bar, 22 expand tubes, 221,222 times jacks, 223 open slots, 224 elastic claws, 2241 outer inclined-planes, 225 step surfaces, 23 locking caps, 231 inner conical surfaces, 24 alignment pins, 243 convex shoulders.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

A kind of window as shown in Fig. 1 to Figure 30 is scraped, comprise that window is scraped main frame M and for generation of the steam generator Z of steam, wherein this window is scraped main frame M and is comprised host housing 4, during for cleaning glass surface, draw the liquid of glass surface and the suction nozzle with battery unit of air mixture 5, be communicated with suction nozzle with battery unit so that suction nozzle with battery unit produces the suction unit 6 of suction, for collecting the catch box 7 of the liquid sucking from suction nozzle with battery unit 5 and for spraying the nozzle 8 of the steam being produced by steam generator Z, suction nozzle with battery unit 5 and catch box 7 are arranged on host housing, suction unit 6 is arranged in host housing, steam generator Z is arranged on window in removable mode and scrapes on the host housing 4 of main frame, nozzle 8 is located at the below of suction nozzle with battery unit 5, and host housing 4 is put together by left and right two halves,

Window is scraped main frame M and is also comprised that the first pipeline 41 and the first joint 42, the first joints 42 are arranged on host housing, and the first pipeline 41 is connected between nozzle 8 and the first joint 42;

Steam generator Z comprises the second joint 92 that the steam for steam generator is produced that can dock with the first joint 42 is outwards exported; When steam generator Z is arranged on host housing 4, the first joint 42 docks with the second joint 92, and the steam that steam generator Z produces sprays from nozzle 8 after the second joint 92, the first joint 42, the first pipeline 41.

Steam generator Z also comprises for the heater 95 to generating steam after water (can be also the liquid such as cleaning solution) heating, storage tank 96 (for storing the liquid such as water or cleaning solution), second pipe 91, the 3rd pipeline 93 and the 6th pipeline 94, heater 95 is provided with heater water inlet 951 and heater gas outlet 952, storage tank 96 is provided with storage tank delivery port 961, the second joint 92 is provided with second channel 921, third channel 922 and the 6th passage 923, the first joint docks with the second joint sealing, realize sealing docking and can adopt following technological means: second channel, the outer end of third channel and the 6th passage is equipped with rubber ring (not shown), first passage is inserted in outer end at second channel, the 4th pipeline is inserted in the outer end of third channel, when the outer end of the 6th passage is inserted in Five-channel, second channel, rubber ring by separately of third channel and the 6th passage and and first passage, four-way and Five-channel form and are sealed and matched, the 6th pipeline 94 is connected between storage tank delivery port 961 and the 6th passage 923, the 3rd pipeline 93 is connected between heater water inlet 951 and third channel 922, second pipe 91 is connected between heater gas outlet 952 and second channel 921, can certainly adopt other existing techniques in realizing first joint to dock with the sealing of the second joint,

Window scrapes that main frame M also comprises the 4th pipeline 43, the 5th pipeline 44 and for send the pump assembly of water from storage tank 96 to heater 95, pump assembly is provided with pump assembly water inlet 451 and pump assembly delivery port 452, the first joint 42 is provided with first passage 421, four-way 422 and Five-channel 423, the 5th pipeline 44 is connected between pump assembly water inlet 451 and Five-channel 423, the 4th pipeline 43 is connected between pump assembly delivery port 452 and four-way 422, and the first pipeline 41 is connected between nozzle 8 and first passage 421;

When the first joint 42 docks with the second joint 92, first passage 421 is communicated with second channel 921, third channel 922 is communicated with four-way 422, Five-channel 423 is communicated with the 6th passage 923, now, storage tank 96, storage tank delivery port 961, the 6th pipeline 94, the 6th passage 923, Five-channel 423, the 5th pipeline 44, pump assembly water inlet 451, pump assembly valve cavity, pump assembly delivery port 452, the 4th pipeline 43, four-way 422, third channel 922, the 3rd pipeline 93 and heater water inlet 951 form a current road, heater gas outlet 952, second pipe 91, second channel 921, first passage 421, the first pipeline 41 and nozzle 8 form a vapor flow path.

This pump assembly comprises a push type one-way control valve, this pressure type one-way control valve comprises valve body 45, be located at spool 46 in valve cavity, be located in valve cavity and the spool push rod 48 that acts on the back-moving spring 47 of spool 46 and act on spool 46, and pump assembly water inlet 451 and pump assembly delivery port 452 are all located on valve body 45 and with valve cavity and are communicated with;

Press the external part 481 of this spool push rod and overcome the effect of back-moving spring 47 and move along valve cavity with movable valve plug 46, make valve cavity form high pressure, and the water entering in valve cavity is pushed in heater 95 through pump assembly delivery port 452, the 4th pipeline 43, four-way 422, third channel 922, the 3rd pipeline 93 and heater water inlet 951 successively;

Unclamp the external part 481 of this spool push rod, spool 48 resets under the effect of back-moving spring 47, and make valve cavity form negative pressure, thereby the water in storage tank 96 is sucked in valve cavity successively through storage tank delivery port 961, the 6th pipeline 94, the 6th passage 923, Five-channel 423, the 5th pipeline 44, pump assembly water inlet 451.

Between host housing 4 and steam generator Z, be provided with engaging support mechanism, steam generator Z is locked on host housing 4 by engaging support mechanism.

Steam generator Z also comprises generator shell 9, heater, storage tank peace, second pipe, the 3rd pipeline and the 6th pipeline are all installed in generator shell, the second jiont treatment is on generator shell, storage tank is provided with the water supplement port 962 that is positioned on generator shell (through water supplement port 962 to storage tank supplementing water or cleaning solution), the top of generator shell 9 is provided with the groove 97 that insert a bottom for host housing 4, engaging support mechanism comprises button 98 and elastic reset member 99, in generator shell 9, be provided with container 901, button 98 is arranged in container 901 slippingly and the head of button 98 stretches out for user and presses from the sidewall of generator shell 9, the afterbody of button 98 is provided with a grab stretching out from the bottom surface of groove 97 902, in host housing 4, be provided with the main frame groove 49 coordinating with grab 902, the bottom surface 401 of host housing is provided with for grab 902 and extend into the perforation 402 in host housing, when steam generator Z is arranged on host housing 4, grab 902 402 extend in host housing 4 through boring a hole, button 98 switches between a latched position and a unlocked position,

Button 98 is when latched position, and grab 902 embeds in main frame grooves 49 so that steam generator Z is locked on host housing 4;

When button 98 is in the unlocked position, grab 902 exits main frame groove 49 so that steam generator Z is detachable;

Elastic reset member 99 is located between container 901 and button 98, by elastic reset member 99, make button 98 there is all the time the movement tendency of the latched position of being returned to, press button 98 and order about and from latched position, move to unlocked position by 98 effects that overcome elastic reset member 99, after release button 98, elastic reset member 99 orders about button 98 and is returned to latched position from unlocked position;

The first joint 42 is arranged on the bottom surface 401 of host housing, the second joint 92 is arranged on the bottom surface of groove 97, like this, when steam generator is installed, when inserting groove, the bottom that window is scraped the host housing of main frame realizes the automatic butt of the first joint and the second joint.

As shown in Figure 9, button is in the unlocked position, and during steam generator dismounting, groove is exited in the bottom of host housing, and grab exits the bottom surface of host housing from perforation; Or button is in the unlocked position, when steam generator is installed, the bottom of host housing is filled in groove, and grab enters in host housing through perforation;

Generator shell 9 leads to a power line 903 to heater 95 power supplies, and power line 903 is for accessing external power source, and generator shell 9 is put together by left and right two halves.

Engaging support mechanism has two covers, two cover engaging support mechanisms are arranged symmetrically with, the side of the bottom of the side of groove 97 and host housing 4 is suitable so that the rear location of groove 97 is inserted in the bottom of host housing, elastic reset member 99 is spring (spring shown in figure is stage clip), one end contact of spring is on the box wall of container 901, and the other end contact of spring is on button 98.

This window is scraped main frame M and is also comprised an aspiration through catch box 7, in the present embodiment, suction nozzle with battery unit is realized and being communicated with by aspiration with suction unit, the upper end of aspiration is connected with suction nozzle with battery unit 5, the lower end of aspiration is connected with suction unit 6, this aspiration is provided with one section of gas-liquid separation pipe, as shown in Figure 15 and Figure 16, gas-liquid separation pipe comprises the body 71 of a hollow, body is linearly, the upper end of body 71 is provided with gas-liquid flow entrance 711, the lower end of body 71 is provided with gas outlet 712, the sidewall of body 71 offers gas-liquid flow outlet 713 and the air intake 714 mutually staggering, gas-liquid flow outlet 713 and air intake 714 are all communicated with the cavity 72 of catch box and make gas-liquid flow outlet 713 be connected state by the cavity 72 of catch box with air intake 714, for collecting the liquid sucking from suction nozzle with battery unit, be collected in the cavity 72 of catch box, in body 71, be provided with one body is divided into the retaining wall 717 of an epimere 715 and a hypomere 716, gas-liquid flow entrance 711 and gas-liquid flow export 713 are all positioned at epimere 715, air intake 714 and gas outlet 712 are all positioned at hypomere 716,

(this mixture can be also liquid to the mixture of the liquid-to-air of drawing from suction nozzle with battery unit certainly, particle (dust) and air three's mixing) by aspiration, carry, when mixture process gas-liquid separation pipe, first mixture enters the epimere of gas-liquid separation pipe from gas-liquid flow entrance, then hit retaining wall, from gas-liquid flow outlet, flow out to afterwards the cavity of header tank, now, the liquid entering in the cavity of header tank is collected, the air entering in the cavity of header tank enters the hypomere of gas-liquid separation pipe by air intake, and from gas outlet outflow gas-liquid separator tube,

In the present embodiment, aspiration also comprise one section be connected in that approach section between suction nozzle with battery unit and the gas-liquid flow entrance of gas-liquid separation pipe 73, one section are located at the bottom of catch box 7 and from the bottom of catch box to the changeover portion 74 and the one section of rear 75 that up extend in the cavity 72 of catch box, changeover portion 74 is connected between the gas outlet and rear 75 of gas-liquid separation pipe, rear 75 is connected between changeover portion 74 and suction unit 6, and changeover portion links together (for example splicing, securing member are connected etc.) with header body by integral forming or by other syndeton.The upper end of aspiration is exactly the upper end of approach section 73, and the lower end of aspiration is exactly the lower end of rear 75, and the gas-liquid flow outlet of mutually staggering and air intake are appreciated that gas-liquid flow outlet and air intake upwards staggered in week;

Retaining wall 717 tilts, gas-liquid flow outlet is higher than air intake, or gas-liquid flow outlet is contour with air intake, or gas-liquid flow outlet is lower than air intake, the low side 7171 of retaining wall is near the downside of gas-liquid flow outlet 713, high-end 7172 upsides near air intake 712 of retaining wall and be the cavity-like that liquid that guiding hits retaining wall enters catch box, and the angle that gas-liquid flow outlet and air intake stagger mutually can be 0 to 180 °, preferably, gas-liquid flow outlet and air intake stagger 180 ° mutually.

As shown in Figure 19 and Figure 20, suction unit 6 comprises (being fixedly mounted in host housing) motor 61 and impeller 62, the front end of the output shaft 611 of motor is exposed to the drive end bearing bracket 612 of motor, impeller 62 is arranged on the front end of the output shaft 611 of motor, on the drive end bearing bracket 612 of motor, radiator is installed;

This radiator is a middle dish-shaped metal fin 63 of being of boss 631 that is provided with, and the table top of boss 631 is adjacent to the drive end bearing bracket 612 of motor with contact heat radiation, offers a centre bore 632 passing for the front end of output shaft 611 in the middle of the table top of boss 631;

On the table top of boss 631, be also provided with several installing holes 633, the drive end bearing bracket 612 of motor is provided with the screw corresponding with each installing hole 633 613, and metal fin 63 is arranged on the drive end bearing bracket 612 of motor by screw;

The quantity of installing hole is 2 above (in the present embodiment, only show 2, the quantity of installing hole can be 3,4, even more certainly), and 2 above installing holes are arranged around centre bore;

This radiator is between the drive end bearing bracket 612 of impeller 62 and motor;

The drive end bearing bracket 612 of motor is made by metal material.Metal fin is made (metal fin also can adopt other metal material to make certainly) by aluminium or aluminium alloy or copper or copper alloy.

As shown in Figure 17 and Figure 18, nozzle 8 comprises that one is installed on the nozzle body 81 on host housing 4, this nozzle body 81 is provided with at least one and enters tracheae 82 and (in the present embodiment, only show one and enter tracheae 82, and the number that enters tracheae 82 can be 2, 3, even more, the first pipeline 41 is connected in entering between tracheae 82 and first passage 421 of nozzle) and 2 above fumaroles 83 (in the present embodiment, only show 5 spray orifices, certainly, the quantity of fumarole 83 can be 3, 4, 6, even more), in this nozzle body 81, be provided with air chamber 84, entering tracheae 82 and each fumarole 83 is all communicated with air chamber 84, the steam that enters into air chamber 84 from entering tracheae 82 is sprayed by each fumarole 83,

All fumaroles 83 are yi word pattern and arrange;

Suction nozzle with battery unit 5 is provided with the flexible scraping article 51 of strip, and the orientation of all fumaroles 83 is parallel to the length direction of scraping article 51.

The diameter of spray orifice that is positioned at centre position is less than the diameter of spray orifice that is positioned at position, both sides, and little in the middle of being, both sides increase gradually.

Host housing 4 is provided with the window gripping for user and scrapes handle 3, this window is scraped is also furnished with an assist handle, this assist handle comprises that one is installed on this window in removable mode and scrapes main part 1 and on handle 3 and be available for users to grip the holding rod 2 of scraping to lift high this window, and holding rod 2 is installed on main part 1;

Host housing 4 is provided with the window gripping for user and scrapes handle 3, this window is scraped is also furnished with an assist handle, as shown in Figure 21 to Figure 30, this assist handle comprises that one is installed on this window in removable mode and scrapes main part 1 and on handle 3 and be available for users to grip the holding rod 2 of scraping to lift high this window, and holding rod 2 is installed on main part 1;

This main part 1 comprises a housing 12, and housing 12 is provided with one and is sheathed on this window and scrapes the trepanning 11 outside handle 3 for this housing 12, and housing 12 is set in this window through this trepanning 11 and scrapes outside handle 3; This trepanning 11 runs through up and down housing 12 and forms a upper opening 111 and a lower openings 112.The outer surface that the inner surface of trepanning 11 can be arranged to scrape handle with this window adapts and scrapes handle 3 so that trepanning 11 is incorporated into this window better, in addition, this window is scraped on handle and can also be provided with for controlling this this window and scrape the control button that each electric component is opened or closed, and the inner surface of trepanning 11 is just in time pressed button and make each electric component in opening.In prior art, for example Chinese invention patent application prospectus CN103251347A disclosed a kind of sprayable or water spray surface cleaning apparatus, also is furnished with the long handle of adding (being assist handle), but this adds long handle is to insert in locating hole and locate by adding the body of rod of long handle, its stability is lower, clean operation inconvenience, and being arranged on window by removable mode, the main part 1 of assist handle of the present invention scrapes handle 3, the mode stability that assist handle is set is like this higher, very easy to use, to cleaning, brought facility, and window is scraped compact conformation.

On this housing 12, be also provided with a side mouth 113 being communicated with this trepanning 11, this side mouth 113 extends to lower openings 112 from upper opening 111 and for this window, scrapes handle 3 and laterally enter in trepanning 11 from this side mouth 113.

This housing 12 is provided with one and selectively to allow or to stop this this window to scrape handle 3, enters or walk out this trepanning 11 for opening or close the latching device of this side mouth 113.

This latching device comprises handle 13 and grab body 14, and this handle 13 is articulated on housing 12 and is positioned at a side of side mouth 113;

On housing 12, be provided with housing groove 121 in the opposite side of this side mouth 113; One end of this grab body 14 is articulated on handle 13, and the other end is provided with the flange 141 that can be embedded in housing groove 121; When latching device is closed this side mouth 113, flange 141 is embedded in housing groove 121; When latching device is opened this side mouth 113, flange 141 exits housing groove 121.

This holding rod 2 comprises minute bar 21 that some joints are end to end, between two minutes bars 21 that join, be provided with assembly structure and by this assembly structure with removable mode link together (there is shown three joints and divide bar 21).

Assembly structure comprises expand tube 22, locking cap 23 and alignment pin 24;

The upper end of expand tube 22 is provided with a upper jack 221 that can divide the tail end 212 of bar to insert for last joint in two minutes bars 21 that join, the lower end of expand tube 22 is provided with a lower jack 222 that can insert for the head end 211 of a rear joint minute bar in two minutes bars 21 that join, the upper end of expand tube 22 is provided with several shaft orientation opening grooves 223 circumferentially distributing, between adjacent two open slots 223, form an elastic claw 224, the upper end of expand tube 22 is provided with external screw thread, the free end of each elastic claw 224 is provided with outer inclined-plane 2241, and the outer inclined-plane 2241 of all elastic claws is encircled into a male cone (strobilus masculinus);

Locking cap 23 is hollow structure and is placed on the upper end of expand tube 22, the inwall of locking cap 23 is provided with internal thread, the upper end threaded engagement of locking cap 23 and expand tube 22, the inwall of locking cap 23 is also provided with an inner conical surface coordinating with male cone (strobilus masculinus) 231, screws locking cap 23 and selectively makes all elastic claws 224 radially tighten up or reset to lock or unclamp the last joint inserting in upper jack 221 to divide bar 21;

After expand tube 22 is fixedly mounted on by its lower jack 222, a joint divides on the head end 211 of bar;

Upper jack 221 is communicated with lower jack 222, one end of alignment pin 24 insert after in the head end 211 of a joint minute bar, the other end inserts in the tail end 212 that last joint divides bar.

The diameter of upper jack 221 is less than the diameter of lower jack 222, in upper jack 221 and the intersection of lower jack 222, forms step surface 225, and head end 211 contacts of a rear joint minute bar are on step surface 225;

In two minutes bars 21 that join, the diameter of a joint minute bar after last joint divides the diameter of bar to be less than;

Alignment pin 24 is stairstepping, one section 241 that its external diameter is large is inserted a rear joint and divides in the head end 221 of bar, one section 242 that its external diameter is little is inserted last joint and divides in the tail end 222 of bar, last joint divides convex shoulder 243 places of tail end 222 contacts of bar at alignment pin, and convex shoulder 243 contacts of alignment pin are on step surface 225.

Housing 12 is provided with the jack 15 that insert the one end for this holding rod 2, and holding rod 2 inserts in jack 15 in removable mode.Open Side Down for jack 15.Between one end of jack 15 and holding rod 2 (being that some joints divide the head end that is positioned at a most front joint minute bar in bar), can be provided with location locking mechanism, for example, on the outer wall of jack 15, offer a locating hole 151, and the keeper that is provided with button (not shown) or other form in one end of holding rod 2 coordinates with this locating hole 151 locking realizing between jack 15 and holding rod 2.

This housing 12 and this window are scraped the syndeton that is provided with relative positioning between handle 3.

This syndeton comprises projection in the trepanning 11 of being located at housing 16 and is located at this window and scrapes the shrinkage pool (not shown) on handle 3, and housing 12 is arranged on this window while scraping on handle 3, and projection 16 inserts in shrinkage pools.Certainly, syndeton also can adopt other structure, such as fastening structure etc.

In the present invention, the structure of host shell, the structure of suction nozzle with battery unit can adopt prior art, for example, and Chinese invention patent application prospectus CN103251348A etc.

Claims (10)

1. the suction unit (6) that window is scraped, comprise motor (61) and impeller (62), the front end of the output shaft of motor (611) is exposed to the drive end bearing bracket (612) of motor, impeller (62) is arranged on the front end of the output shaft (611) of motor, it is characterized in that: the drive end bearing bracket of motor is provided with radiator on (612).

2. the suction unit (6) that a kind of window according to claim 1 is scraped, is characterized in that: this radiator is positioned between the drive end bearing bracket (612) of impeller (62) and motor.

3. the suction unit (6) that a kind of window according to claim 2 is scraped, it is characterized in that: this radiator is a middle dish-shaped metal fin (63) of being of boss (631) that is provided with, the table top of boss (631) is adjacent to the drive end bearing bracket (612) of motor, offers a centre bore (632) passing for the front end of output shaft (611) in the middle of the table top of boss (631).

4. the suction unit (6) that a kind of window according to claim 3 is scraped, it is characterized in that: on the table top of boss (631), be also provided with several installing holes (633), the drive end bearing bracket of motor (612) is provided with the screw (613) corresponding with each installing hole (633), and metal fin (63) is arranged on the drive end bearing bracket (612) of motor by screw.

5. the suction unit (6) that a kind of window according to claim 4 is scraped, is characterized in that: the quantity of installing hole (633) is more than 2, and 2 above installing holes are arranged around centre bore.

6. the suction unit (6) that a kind of window according to claim 3 is scraped, is characterized in that: the drive end bearing bracket of motor (612) is made by metal material, and metal fin is made by aluminium or aluminium alloy or copper or copper alloy.

7. the suction unit (6) of scraping according to a kind of window described in arbitrary claim in claim 1 to 6, it is characterized in that: this window is scraped and comprised that window is scraped main frame (M) and for generation of the steam generator (Z) of steam, this window is scraped main frame (M) and is comprised host housing (4), during for cleaning glass surface, draw the liquid of glass surface and the suction nozzle with battery unit of air mixture (5), suction nozzle with battery unit (5), for collecting the catch box (7) of the liquid sucking from suction nozzle with battery unit (5) and the nozzle (8) by the steam of steam generator (Z) generation for ejection, suction unit (6) is located at this window and is scraped main frame (M) above and be communicated with suction nozzle with battery unit so that suction nozzle with battery unit produces suction,

Steam generator (Z) is arranged on window in removable mode and scrapes on the host housing of main frame (4);

Window is scraped main frame (M) and is also comprised the first pipeline (41) and the first joint (42), and the first joint (42) is arranged on host housing, and the first pipeline (41) is connected between nozzle (8) and the first joint (42);

Steam generator (Z) comprises the second joint (92) that the steam for steam generator is produced that can dock with the first joint (42) is outwards exported; When steam generator (Z) is arranged on host housing (4), the first joint (42) docks with the second joint (92), and the steam that steam generator (Z) produces sprays from nozzle (8) after the second joint (92), the first joint (42), the first pipeline (41);

Steam generator (Z) also comprises for the heater (95) to generating steam after water heating, storage tank (96), second pipe (91), the 3rd pipeline (93) and the 6th pipeline (94), heater (95) is provided with heater water inlet (951) and heater gas outlet (952), storage tank (96) is provided with storage tank delivery port (961), the second joint (92) is provided with second channel (921), third channel (922) and the 6th passage (923), the 6th pipeline (94) is connected between storage tank delivery port (961) and the 6th passage (923), the 3rd pipeline (93) is connected between heater water inlet (951) and third channel (922), second pipe (91) is connected between heater gas outlet (952) and second channel (921),

Window is scraped main frame (M) and is also comprised the 4th pipeline (43), the 5th pipeline (44) and for send the pump assembly of water from storage tank (96) to heater (95), pump assembly is provided with pump assembly water inlet (451) and pump assembly delivery port (452), the first joint (42) is provided with first passage (421), four-way (422) and Five-channel (423), the 5th pipeline (44) is connected between pump assembly water inlet (451) and Five-channel (423), the 4th pipeline (43) is connected between pump assembly delivery port (452) and four-way (422), the first pipeline (41) is connected between nozzle (8) and first passage (421),

When the first joint (42) docks with the second joint (92), first passage (421) is communicated with second channel (921), third channel (922) is communicated with four-way (422), Five-channel (423) is communicated with the 6th passage (923), now, storage tank (96), storage tank delivery port (961), the 6th pipeline (94), the 6th passage (923), Five-channel (423), the 5th pipeline (44), pump assembly water inlet (451), pump assembly, pump assembly delivery port (452), the 4th pipeline (43), four-way (422), third channel (922), the 3rd pipeline (93) and heater water inlet (951) form a current road, heater gas outlet (952), second pipe (91), second channel (921), first passage (421), the first pipeline (41) and nozzle (8) form a vapor flow path,

This pump assembly comprises a push type one-way control valve, this pressure type one-way control valve comprises valve body (45), be located at spool (46) in valve cavity, be located in valve cavity and the spool push rod (48) that acts on the back-moving spring (47) of spool (46) and act on spool (46), and pump assembly water inlet (451) and pump assembly delivery port (452) are all located at valve body (45) and are gone up and be communicated with valve cavity;

Press the external part (481) of this spool push rod and be with movable valve plug (46) overcome the effect of back-moving spring (47) and move along valve cavity, make valve cavity form high pressure, and the water entering in valve cavity is pushed in heater (95) through pump assembly delivery port (452), the 4th pipeline (43), four-way (422), third channel (922), the 3rd pipeline (93) and heater water inlet (951) successively;

Unclamp the external part (481) of this spool push rod, spool (48) resets under the effect of back-moving spring (47), and make valve cavity form negative pressure, thereby the water in storage tank (96) is sucked in valve cavity successively through storage tank delivery port (961), the 6th pipeline (94), the 6th passage (923), Five-channel (423), the 5th pipeline (44), pump assembly water inlet (451);

Between host housing (4) and steam generator (Z), be provided with engaging support mechanism, steam generator (Z) is locked on host housing (4) by engaging support mechanism;

Steam generator (Z) also comprises generator shell (9), the top of generator shell (9) is provided with the groove (97) that insert a bottom for host housing (4), engaging support mechanism comprises button (98) and elastic reset member (99), in generator shell (9), be provided with container (901), button (98) is arranged in container (901) slippingly and the head of button (98) stretches out for user and presses from the sidewall of generator shell (9), the afterbody of button (98) is provided with a grab (902) stretching out from the bottom surface of groove (97), in host housing (4), be provided with the main frame groove (49) coordinating with grab (902), the bottom surface of host housing (401) is provided with for grab (902) and extend into the perforation (402) in host housing, when steam generator (Z) is arranged on host housing (4), grab (902) extend in host housing (4) through perforation (402), button (98) switches between a latched position and a unlocked position,

Button (98) is when latched position, and grab (902) embeds in main frame groove (49) so that steam generator (Z) is locked on host housing (4);

When button (98) is in the unlocked position, grab (902) exits main frame groove (49) so that steam generator (Z) is detachable;

Elastic reset member (99) is located between container (901) and button (98), by elastic reset member (99), make button (98) there is all the time the movement tendency of the latched position of being returned to, press button (98) and order about the effect that button (98) overcomes elastic reset member (99) and move to unlocked position from latched position, after release button (98), elastic reset member (99) orders about button (98) and is returned to latched position from unlocked position;

The first joint (42) is arranged on the bottom surface (401) of host housing, and the second joint (92) is arranged on the bottom surface of groove (97).

8. the suction unit (6) that a kind of window according to claim 7 is scraped, is characterized in that:

This window is scraped main frame (M) and is also comprised an aspiration through catch box (7), suction nozzle with battery unit (5) is communicated with by aspiration with suction unit (6), the upper end of aspiration is connected with suction nozzle with battery unit (5), the lower end of aspiration is connected with suction unit (6), this aspiration is provided with one section of gas-liquid separation pipe, gas-liquid separation pipe comprises the body (71) of a hollow, the upper end of body (71) is provided with gas-liquid flow entrance (711), the lower end of body (71) is provided with gas outlet (712), the sidewall of body (71) offers gas-liquid flow outlet (713) and the air intake (714) mutually staggering, gas-liquid flow outlet (713) and air intake (714) are all communicated with the cavity (72) of catch box and make gas-liquid flow outlet (713) be connected state by the cavity (72) of catch box with air intake (714), in body (71), be provided with one body is divided into the retaining wall (717) of an epimere (715) and a hypomere (716), gas-liquid flow entrance (711) and gas-liquid flow export (713) are all positioned at epimere (715), air intake (714) and gas outlet (712) are all positioned at hypomere (716),

Retaining wall (717) tilts, and the low side of retaining wall (7171) is near the downside of gas-liquid flow outlet (713), and high-end (7172) of retaining wall are near the upside of air intake (712).

9. the suction unit (6) that a kind of window according to claim 8 is scraped, is characterized in that:

Nozzle (8) comprises that one is installed on the nozzle body (81) on host housing (4), this nozzle body (81) is provided with at least one and enters tracheae (82) and 2 above fumaroles (83), in this nozzle body (81), be provided with air chamber (84), enter tracheae (82) and each fumarole (83) and be all communicated with air chamber (84), the steam that enters into air chamber (84) from entering tracheae (82) is sprayed by each fumarole (83);

All fumaroles (83) are yi word pattern and arrange;

Suction nozzle with battery unit (5) is provided with the flexible scraping article (51) of strip, and the orientation of all fumaroles (83) is parallel to the length direction of scraping article (51).

10. the suction unit (6) that a kind of window according to claim 9 is scraped, is characterized in that:

Host housing (4) is provided with the window gripping for user and scrapes handle (3), this window is scraped is also furnished with an assist handle, this assist handle comprises that one is installed on this window in removable mode and scrapes main part (1) and on handle (3) and be available for users to grip the holding rod (2) of scraping to lift high this window, and holding rod (2) is installed on main part (1);

This main part (1) comprises a housing (12), housing (12) is provided with one and for this housing (12), is sheathed on this window and scrapes the outer trepanning (11) of handle (3), and housing (12) is set in this window through this trepanning (11) and scrapes outside handle (3); This trepanning (11) runs through up and down housing (12) and forms a upper opening (111) and a lower openings (112);

On this housing (12), be also provided with a side mouth (113) being communicated with this trepanning (11), this side mouth (113) extends to lower openings (112) from upper opening (111) and for this window, scrapes handle (3) and laterally enter in trepanning (11) from this side mouth (113);

This housing (12) is provided with one and selectively to allow or to stop this this window to scrape handle (3), enters or walk out this trepanning (11) for opening or close the latching device of this side mouth (113);

This latching device comprises handle (13) and grab body (14), and this handle (13) is articulated in the side that side mouth (113) was gone up and be positioned to housing (12);

Housing (12) is upper, in the opposite side of this side mouth (113), be provided with housing groove (121); It is upper that one end of this grab body (14) is articulated in handle (13), and the other end is provided with the flange (141) that can be embedded in housing groove (121); When latching device is closed this side mouth (113), flange (141) is embedded in housing groove (121); When latching device is opened this side mouth (113), flange (141) exits housing groove (121).