CN104107006B - 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, the suction unit that more particularly, to a kind of window is scraped.

Background technology

Window scrapes the cleaning being mainly used in glass surface (or other crust), and it can be (or other hard to glass surface Surface) on liquid (such as cleaning solution) carry out suction and remove and/or to glass surface spraying cleaning liquid etc..Such as Chinese invention Patent application prospectus CN103222831A, CN103251348A, CN101909499A, CN103251347A all disclose A kind of glass surface cleaning device is the technical scheme that window is scraped, the portable hard surface suction disclosed in wherein CN101909499A Device is provided with suction unit, and this suction unit includes air-breathing turbine (i.e. impeller) and motor, and motor drives air-breathing whirlpool Turbine rotates and produces negative-pressure sucking thus attracting the liquid on crust and air mixture, but the motor of this suction unit Caloric value is big and does not have suitable radiator structure, and radiating effect is poor, easily causes motor and burns, and reduces service life.

Content of the invention

Present invention aim at providing the suction unit that a kind of window is scraped, this suction unit machine has preferable radiating effect, Extend the service life of motor.

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

The suction unit that a kind of window is scraped, including motor and impeller, the front end of the output shaft of motor is exposed to the front end of motor Lid, impeller be arranged on the output shaft of motor front end it is characterised 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 located between impeller and the drive end bearing bracket of motor.

This radiator be provided with the middle of one boss in dish-shaped metal fin, the table top of boss is adjacent to the front end of motor Lid, offers a centre bore passing for the front end of output shaft in the middle of the table top of boss.

Several installing holes are additionally provided with the table top of boss, the drive end bearing bracket of motor is provided with spiral shell corresponding with each installing hole Hole, 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 orifice rings installed above are arranged around centre bore.

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

This window is scraped and is scraped main frame and for producing the steam generator of steam including window, this window scrape main frame include host housing, For clean the suction nozzle with battery unit drawing the liquid of glass surface and air mixture during glass surface, suction nozzle with battery unit, for collecting from taking out The catch box of liquid that suction nozzle sucks and the nozzle for spraying the steam being produced by steam generator, suction machine is mounted on this Window is scraped on main frame and is connected with suction nozzle with battery unit so that suction nozzle with battery unit produces 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 included the first pipeline and the first joint, and the first joint is arranged on host housing, the One pipeline is connected between nozzle and the first joint；Steam generator include one can dock with the first joint for steam is sent out The second joint that the steam that raw device produces outwards exports；When steam generator is arranged on host housing, the first joint and Two joint docking, the steam that steam generator produces sprays from nozzle after the second joint, the first joint, the first pipeline；Steam Vapour generator also includes heater, storage tank, second pipe, the 3rd pipeline and the 6th pipe for generating steam after water is heated Road, heater is provided with heater water inlet and heater air outlet, and storage tank is provided with storage tank delivery port, and the second joint is provided with Two passages, third channel and the 6th passage, the 6th pipeline is connected between storage tank delivery port and the 6th passage, and the 3rd pipeline is even It is connected between heater water inlet and third channel, second pipe is connected between heater air outlet and second channel；Window is scraped Main frame also includes the 4th pipeline, the 5th pipeline and is used for sending the pump group part of water from storage tank to heater, and pump group part is provided with pump group Part water inlet and pump group part delivery port, the first joint is provided with first passage, fourth lane and Five-channel, and the 5th pipeline is connected to Between pump group part water inlet and Five-channel, the 4th pipeline is connected between pump group part delivery port and fourth lane, the first pipeline It is connected between nozzle and first passage；When first joint is docked with the second joint, first passage is connected with second channel, and the 3rd Passage is connected with fourth lane, Five-channel and the 6th channel connection, now, storage tank, storage tank delivery port, the 6th pipeline, 6th passage, Five-channel, the 5th pipeline, pump group part water inlet, pump group part, pump group part delivery port, the 4th pipeline, four-way Road, third channel, the 3rd pipeline and heater water inlet form a current road, heater air outlet, second pipe, second lead to Road, first passage, the first pipeline and nozzle form a vapor flow path；This pump group part includes a push type one-way control valve, should Push type one-way control valve includes valve body, located at the valve element in valve cavity, in valve cavity and act on answering of valve element The position spring and valve element push rod acting on valve element, pump group part water inlet and pump group part delivery port are all on valve body and and valve Body cavity connects；Press the external part of this valve element push rod and overcome the effect of back-moving spring and along valve cavity shifting with movable valve plug Dynamic, make valve cavity form high pressure, and by the water entering in valve cavity successively through pump group part delivery port, the 4th pipeline, the 4th Passage, third channel, the 3rd pipeline and heater water inlet push in heater；Unclamp the external part of this valve element push rod, valve Core resets in the presence of back-moving spring, and makes valve cavity form negative pressure, so that the water in storage tank is successively through storage tank Delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump group part water inlet suck in valve cavity；Outside main frame It is provided with engaging support mechanism, steam generator is locked on host housing by engaging support mechanism between shell and steam generator；Steam is sent out Raw device also includes generator shell, and the top of generator shell is provided with the groove of a bottom insertion supplying host housing, fastens machine Structure includes button and elastic reset member, is provided with container in generator shell, button be slippingly arranged in container and The head of button stretches out for user's pressing from the side wall of generator shell, and the afterbody of button is provided with one and stretches out from the bottom surface of groove Grab, be provided with host housing with grab cooperation main frame groove, the bottom surface of host housing is provided with and extend into main frame for grab The perforation of inside the shell, when steam generator is arranged on host housing, grab perforated extend in host housing, and button exists Switch between one latched position and a unlocked position；When button is in the locked position, 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 removable Unload；Elastic reset member, between container and button, makes button have all the time by elastic reset member and is returned to locking The movement tendency of position, presses button and orders about button and overcome the effect of elastic reset member to move to solution lock-bit from latched position Put, after release button, elastic reset member orders about button and is returned to latched position from unlocked position；First joint is arranged on main frame On the bottom surface of shell, the second joint is arranged on the bottom surface of groove.

This window is scraped main frame and is also included an aspiration passing through catch box, and suction nozzle with battery unit is with suction unit by aspiration even Logical, the upper end of aspiration is connected with suction nozzle with battery unit, and the lower end of aspiration is connected with suction unit, and this aspiration is provided with one section Gas-liquid separation pipe, gas-liquid separation pipe includes the body of a hollow, and the upper end of body is provided with gas-liquid inflow entrance, and the lower end of body is provided with Gas outlet, the side wall of body offers the gas-liquid flow export mutually staggering and air intake, gas-liquid flow export and air intake all with collection The cavity of liquid case connects and makes gas-liquid flow export pass through the cavity of catch box and air intake is in connected state, and being provided with one in body will manage Body is divided into the retaining wall of an upper section and a lower section, and the gentle fluid outlet of gas-liquid inflow entrance is respectively positioned on epimere, air intake and gas outlet It is respectively positioned on hypomere；Retaining wall is to tilt, the low side of retaining wall near the downside of gas-liquid flow export, retaining wall high-end near air intake Upside.

Nozzle includes a nozzle body being installed on host housing, this nozzle body be provided with least one enter tracheae and More than 2 fumaroles, are provided with air chamber in this nozzle body, enter tracheae and all connect with air chamber with each fumarole, enter from entering tracheae The steam entering to air chamber is sprayed by each fumarole；All fumaroles are in that yi word pattern arranges；Suction nozzle with battery unit is provided with strip flexibility and scrapes Bar, 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, and this window is scraped and is also equipped with an assist handle, this nondominant hand Handle includes one and is installed on, in removable mode, the main part and that this window scrapes on handle being available for users to gripping to elevate this window The holding rod scraped, holding rod is installed on main part；This main part includes a housing, and housing is provided with one and is sheathed on for this housing This window scrapes the set hole outside handle, and housing is loaded on this window through this set borehole jack and scrapes outside handle；This set hole is run through housing up and down and is formed one Upper opening and lower openings；One side mouth being connected with this set hole is additionally provided with this housing, this side mouth is from top Opening extends to lower openings to be scraped handle for this window and enters laterally set in the hole from this side mouth；This housing is provided with one and is used for Open or close the latching device of this side mouth to enter or walk out to optionally allow for or to stop this window from scraping handle This set hole；This latching device includes handle and grab body, and this handle is articulated on housing and is located at the side of side mouth；Housing Above, the opposite side in this side mouth is provided with housing channel；One end of this grab body is articulated on handle, and the other end is provided with can be embedding Together in the flange in housing channel；When latching device closes this side mouth, flange is embedded in housing channel；Work as locking machine When structure opens this side mouth, flange exits housing channel.

Each technical measures can select a use above, also can be combined and use, as long as not constituting conflict each other.

The present invention compared with prior art has the advantage that：

(1) this window is scraped suction unit, 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, and the drive end bearing bracket of motor is provided with radiator, and radiator can strengthen dissipating of motor Thermal effect, extends the service life of motor；

(2) this radiator is located between impeller and the drive end bearing bracket of motor, and so, the air-flow of impeller blowout can be quickly by radiating The heat of device is taken away, and strengthens radiating effect；

(3) this radiator be provided with the middle of one boss in dish-shaped metal fin, the table top of boss is adjacent to motor Drive end bearing bracket, to realize contact transmission radiating, strengthens radiating effect；

(4) several installing holes are additionally provided with the table top of boss, the drive end bearing bracket of motor is provided with corresponding with each installing hole Screw, metal fin is arranged on the drive end bearing bracket of motor by screw, is easy to radiator and is arranged on the drive end bearing bracket of motor, peace Dress simple and fast；

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

(6) steam generator that the 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 main frame independently, realizes needing, using installing steam generator during steam function, not needing to use Steam generator is pulled down during steam function, hommization appropriate design, very easy to use, using the first joint and the second joint pair Connect and realize connecting between steam generator and nozzle, simple and compact for structure, easy accessibility；First joint is docked with the second joint When, storage tank, storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump group part water inlet, pump group Part, pump group part delivery port, the 4th pipeline, fourth lane, third channel, the 3rd pipeline and heater water inlet form current Road, realize to heater conveying water (or cleaning solution), and heater air outlet, second pipe, second channel, first passage, First pipeline and nozzle form a vapor flow path, realize spraying steam function, are converted to steam by water (or cleaning solution) Pipeline structure is reasonable in design simple；It is provided with engaging support mechanism, steam generator passes through to fasten between host housing and steam generator Mechanism is locked on host housing, steam generator and window can be made to scrape main frame easy accessibility using engaging support mechanism；Engaging support mechanism is adopted Realize unblock with the cooperation of grab and main frame groove or lock, structure is simple, and easy to operate, the first joint is arranged on outside main frame On the bottom surface of shell, the second joint is arranged on the bottom surface of groove, in the bottom of host housing insertion groove, the first joint and the Two joints can complete to dock, reasonable in design, easy to operate；

(7) it is provided with a retaining wall that body is divided into an upper section and a lower section in the body of gas-liquid separation pipe, gas-liquid flows into The gentle fluid outlet of mouth is respectively positioned on epimere, and air intake and gas outlet are respectively positioned on hypomere, and retaining wall is to tilt, and the low side of retaining wall is close The downside of gas-liquid flow export, the high-end upside near air intake of retaining wall, gas-liquid separation tubular construction is simple, reasonable in design, manufactures Easily；

(8) nozzle includes a nozzle body being installed on host housing, and this nozzle body is provided with more than 2 jets Hole, more than 2 fumaroles spray steam simultaneously, increase the spray area of steam, this nozzle can expand to glass surface (or its Its crust) jet scope so that glass surface (or other crust) uniformly jet, reasonable in design, cleaning effect is more Good, cleaning is more comprehensively, cleaner；Cleaning when, due to all fumaroles orientation parallel to scraping article length direction, many Individual fumarole cooperation strip flexibility scraping article, is sprayed steam in the inswept region major part of strip flexibility scraping article, makes cleaning More preferably, cleaning is more comprehensively, cleaner for effect；

(9) this window is scraped and is also equipped with an assist handle, and this assist handle includes one and be installed on this window in removable mode scraping Main part on handle and one is available for users to gripping to elevate the holding rod that this window is scraped, and glass surface upper section is carried out clearly When clean, this assist handle be arranged on this window and scrape 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 clear Clean work brings facility.

Brief description

Two different angle schematic perspective views that the window that Fig. 1 and 2 applies for the present invention is scraped, wherein, steam generator is installed Scrape on main frame in window；

The window that the window that Fig. 3 applies for the present invention is scraped scrapes the schematic diagram after main frame is dismantled with steam generator；

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

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

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

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

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

When the button that the window that Fig. 9 applies for the present invention is scraped is in the unlocked position, steam generator dismounting (or installation) is shown It is intended to；

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

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

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

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

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

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

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

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

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

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

Figure 20 is the perspective exploded view of the present invention；

The assist handle that the window that Figure 21 applies for the present invention is scraped is installed on window and scrapes the use state schematic diagram after handle；

Figure 22 is that the window of Fig. 1 scrapes the partial schematic diagram at handle；

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

Two different angles of the main part of the assist handle that the window that Figure 24 with Figure 25 applies for the present invention is scraped are three-dimensional to be illustrated Figure, wherein latching device is in locking state；

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

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

Be connected two points of bars of the assist handle that the window that Figure 28 applies for the present invention is scraped and the assembling structure between them Sectional view；

Figure 29 is the decomposing schematic representation of Figure 28；

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

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

Reference：

M window scrapes main frame；

Z steam generator；

4 host housings, 41 first pipelines, 42 first joints, 421 first passages, 422 fourth lanes, 423 Five-channels, 43 the 4th pipelines, 44 the 5th pipelines, 45 valve bodies, 451 pump group part water inlets, 452 pump group part delivery ports, 46 valve elements, 47 reset bullets Spring, 48 valve element push rods, the external part of 481 valve element push rods, 49 main frame grooves, the bottom surface of 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 Impeller, 63 metal fins, 631 boss, 632 centre bores, 633 installing holes；7 catch boxs, 71 bodys, 711 gas-liquid inflow entrances, 712 gas outlets, 713 gas-liquid flow exports, 714 air intakes, 715 epimeres, 716 hypomeres, 717 retaining walls, the low side of 7171 retaining walls, 7172 High-end, the cavity of 72 catch boxs, 73 approach sections, 74 changeover portions, 75 rears of retaining wall；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 lead to Road, 93 the 3rd pipelines, 94 the 6th pipelines, 95 heaters, 951 heater water inlets, 952 heater air outlet, 96 storage tanks, 961 storage tank delivery ports, 962 not the mouth of a river, 97 grooves, 98 buttons, 99 elastic reset members, 901 containers, 902 grabs, 903 Power line；

3 windows scrape handle；1 main part, 11 sets of holes, 111 upper openings, 112 lower openings, 113 side mouth, 12 housings, 121 housing channel, 13 handles, 14 grab bodies, 141 flanges, 15 jacks, 151 location holes, 16 projections；2 holding rods, 21 points of bars, 211 later sections divide the head end of bar, the tail ends of 212 previous section point bars, 22 tube expansions, jack on 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.

Specific embodiment

The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.

A kind of window as shown in Fig. 1 to Figure 30 is scraped, and scrapes main frame M and the steam generator Z for producing steam including window, its In this window scrape main frame M and include host housing 4, draw the liquid of glass surface and air mixture during glass surface for cleaning Suction nozzle with battery unit 5 is connected with suction nozzle with battery unit so that suction nozzle with battery unit produces the suction unit 6 of suction, for collecting the liquid sucking from suction nozzle with battery unit 5 Catch box 7 and for spraying the nozzle 8 of steam being produced by steam generator Z, suction nozzle with battery unit 5 and catch box 7 are arranged on master On machine shell, suction unit 6 is arranged in host housing, and steam generator Z is arranged on window in removable mode and scrapes main frame On host housing 4；Nozzle 8 is put together by left and right two halves located at the lower section of suction nozzle with battery unit 5, host housing 4；

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

Steam generator Z include one can dock with the first joint 42 outwards defeated for the steam that produces steam generator The second joint 92 going out；When steam generator Z is arranged on host housing 4, the first joint 42 is docked with the second joint 92, steams The steam that vapour generator Z produces sprays from nozzle 8 after the second joint 92, the first joint 42, the first pipeline 41.

Steam generator Z is also included for the heater generating steam after water (can also be the liquid such as cleaning solution) heating 95th, 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, plus Hot device 95 is provided with heater water inlet 951 and heater air outlet 952, and storage tank 96 is provided with storage tank delivery port 961, and second connects 92 are provided with second channel 921, third channel 922 and the 6th passage 923, and the first joint is docked with the second joint sealing, Realize sealing docking and can adopt following technological means：The outer end of second channel, third channel and the 6th passage is equipped with rubber ring (not shown), inserts first passage, outer end insertion the 4th pipeline of third channel, the 6th passage in the outer end of second channel Outer end insertion Five-channel in when, second channel, third channel and the 6th passage by respective rubber ring with first lead to Road, fourth lane and Five-channel form sealing cooperation, and the 6th pipeline 94 is connected to storage tank delivery port 961 and the 6th passage Between 923, the 3rd pipeline 93 is connected between heater water inlet 951 and third channel 922, and second pipe 91 is connected to heating Naturally it is also possible to realize the first joint and the second joint using other prior arts between device gas outlet 952 and second channel 921 Sealing docking；

Window is scraped main frame M and is also included the 4th pipeline 43, the 5th pipeline 44 and be used for sending water from storage tank 96 to heater 95 Pump group part, pump group part is provided with pump group part water inlet 451 and pump group part delivery port 452, the first joint 42 be provided with first passage 421, Fourth lane 422 and Five-channel 423, the 5th pipeline 44 is connected between pump group part water inlet 451 and Five-channel 423, the Four pipelines 43 are connected between pump group part delivery port 452 and fourth lane 422, and it is logical that the first pipeline 41 is connected to nozzle 8 and first Between road 421；

When first joint 42 is docked with the second joint 92, first passage 421 is connected with second channel 921, third channel 922 Connect with fourth lane 422, Five-channel 423 is connected with the 6th passage 923, now, storage tank 96, storage tank delivery port 961, 6th pipeline 94, the 6th passage 923, Five-channel 423, the 5th pipeline 44, pump group part water inlet 451, pump group part valve cavity, Pump group part delivery port 452, the 4th pipeline 43, fourth lane 422, third channel 922, the 3rd pipeline 93 and heater water inlet 951 formation one current roads, heater air outlet 952, second pipe 91, second channel 921, first passage 421, the first pipeline 41 And nozzle 8 forms a vapor flow path.

This pump group part includes a push type one-way control valve, and this push type one-way control valve includes valve body 45, located at valve body Valve element 46 in cavity, in valve cavity and act on the back-moving spring 47 of valve element 46 and the valve acting on valve element 46 Core push rod 48, pump group part water inlet 451 all connects with pump group part delivery port 452 on valve body 45 and with valve cavity；

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

Unclamp the external part 481 of this valve element push rod, valve element 46 resets in the presence of back-moving spring 47, and makes valve cavity Form negative pressure so that the water in storage tank 96 successively through storage tank delivery port 961, the 6th pipeline 94, the 6th passage 923, the Five-channel 423, the 5th pipeline 44, pump group part water inlet 451 suck in valve cavity.

It is provided with engaging support mechanism, steam generator Z is locked in by engaging support mechanism between host housing 4 and steam generator Z On host housing 4.

Steam generator Z also includes generator shell 9, heater, storage tank peace, second pipe, the 3rd pipeline and the 6th Pipeline is respectively mounted in generator shell, and the second joint is arranged on generator shell, and storage tank is provided with generator shell Water supplement port 962 (supplementing water or cleaning solution to storage tank through water supplement port 962), the top of generator shell 9 is provided with one for master The groove 97 of the bottom insertion of machine shell 4, engaging support mechanism includes button 98 and elastic reset member 99, sets in generator shell 9 Have container 901, button 98 be slippingly arranged in container 901 and button 98 head from the side wall of generator shell 9 Stretch out for user's pressing, the afterbody of button 98 is provided with a grab 902 stretching out from the bottom surface of groove 97, sets in host housing 4 There is the main frame groove 49 with grab 902 cooperation, the bottom surface 401 of host housing is provided with and extend in host housing for grab 902 Perforation 402, when steam generator Z is arranged on host housing 4, grab 902 perforated 402 extend in host housing 4, presses Button 98 switches between a latched position and a unlocked position；

When button 98 is in the locked position, grab 902 embeds in main frame groove 49 so that steam generator Z is locked in main frame On shell 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, between container 901 and button 98, makes button 98 begin by elastic reset member 99 There is movement tendency eventually that be returned to latched position, pressing button 98 and ordering about press 98 overcome the effect of elastic reset member 99 from Latched position moves to unlocked position, and after release button 98, elastic reset member 99 orders about button 98 and is returned to from unlocked position Latched position；

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, this Sample, when installing steam generator, window realizes the first joint and the while scraping the bottom insertion groove of the host housing of main frame The automatic butt of two joints.

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

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

Engaging support mechanism has two sets, and two sets of engaging support mechanisms are arranged symmetrically, the side of the bottom of the side of groove 97 and host housing 4 Face is adapted so that positioning after the bottom insertion groove 97 of host housing, elastic reset member 99 is the spring (bullet shown in figure Spring is stage clip), in the box wall of container 901, the other end contact of spring is on button 98 for one end contact of spring.

This window scrape main frame M also include one pass through catch box 7 aspiration, in the present embodiment, suction nozzle with battery unit with suction unit Connection is realized by aspiration, the upper end of aspiration is connected with suction nozzle with battery unit 5, the lower end of aspiration is with suction unit 6 even Connect, this aspiration is provided with one section of gas-liquid separation pipe, as shown in Figure 15 and Figure 16, gas-liquid separation pipe includes the body of a hollow 71, body is linearly, and the upper end of body 71 is provided with gas-liquid inflow entrance 711, and the lower end of body 71 is provided with gas outlet 712, body 71 side wall offers the gas-liquid flow export 713 mutually staggering and air intake 714, gas-liquid flow export 713 and air intake 714 all with The cavity 72 of catch box connects and makes gas-liquid flow export 713 pass through the cavity 72 of catch box and air intake 714 is in connected state, is used for Collect in the cavity 72 that the liquid that suction nozzle with battery unit sucks is collected in catch box, be provided with one in body 71 and body is divided on one Section 715 and the retaining wall 717 of a hypomere 716, the gentle fluid outlet 713 of gas-liquid inflow entrance 711 is respectively positioned on epimere 715, air intake 714 It is respectively positioned on hypomere 716 with gas outlet 712；

(this mixture can also be liquid, particle (dust) to the mixture of the liquid-to-air drawn from suction nozzle with battery unit certainly And the mixing of air three) conveyed by aspiration, when mixture is through gas-liquid separation pipe, mixture is first from gas-liquid Inflow entrance enters the epimere of gas-liquid separation pipe, then hits retaining wall, flows out to the cavity of header tank afterwards from gas-liquid flow export, this When, the liquid entering in the cavity of header tank is collected, and the air entering in the cavity of header tank is then entered by air intake The hypomere of gas-liquid separation pipe, and flow out gas-liquid separation pipe from gas outlet；

In the present embodiment, aspiration also includes one section and is connected between suction nozzle with battery unit and the gas-liquid inflow entrance of gas-liquid separation pipe Approach section 73, one section of bottom located at catch box 7 and the bottom from catch box up extend into the cavity 72 of catch box Changeover portion 74 and one section of rear 75, changeover portion 74 is connected between the gas outlet of gas-liquid separation pipe and rear 75, and rear 75 is even It is connected between changeover portion 74 and suction unit 6, changeover portion is connected to header body by integral forming or by other attachment structures Together (such as splicing, securing member connection etc.).The upper end of aspiration is exactly the upper end of approach section 73, the lower end of aspiration It is exactly the lower end of rear 75, the gas-liquid flow export mutually staggering and air intake are appreciated that gas-liquid flow export and air intake exist Stagger in the circumferential；

Retaining wall 717 is to tilt, and gas-liquid flow export is higher than air intake, or gas-liquid flow export is contour with air intake, and or Person's gas-liquid flow export is less than air intake, and near the downside of gas-liquid flow export 713, high-end the 7172 of retaining wall leans on the low side 7171 of retaining wall The upside of nearly air intake 712 and be in that guiding hits the liquid of retaining wall and enters cavity-like, gas-liquid flow export and the air intake of catch box The angle mutually staggering can be 0 to 180 °, it is preferred that gas-liquid flow export and air intake mutually stagger 180 °.

As illustrated in figures 19 and 20, suction unit 6 includes (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, and 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 be provided with the middle of one boss 631 in dish-shaped metal fin 63, the table top of boss 631 is adjacent to electricity The drive end bearing bracket 612 of machine, to contact radiating, offers a center passing for the front end of output shaft 611 in the middle of the table top of boss 631 Hole 632；

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

The quantity of installing hole (merely illustrates 2, the quantity of certain installing hole can be 3 for more than 2 in the present embodiment Individual, 4, even more many), 2 orifice rings installed above are arranged around centre bore；

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

The drive end bearing bracket 612 of motor is made up of metal material.Metal fin is by aluminium or aluminium alloy or copper or copper conjunction Gold makes (certain metal fin can also be made) using other metal materials.

As shown in Figure 17 and Figure 18, nozzle 8 includes a nozzle body 81 being installed on host housing 4, this nozzle body 81 are provided with least one enters tracheae 82 and (merely illustrates one in the present embodiment and enter tracheae 82, and the number entering tracheae 82 is permissible 2,3, even more many, the first pipeline 41 is connected to the entering between tracheae 82 and first passage 421 of nozzle) and more than 2 Fumarole 83 (in the present embodiment, merely illustrate 5 spray orifices, certainly, the quantity of fumarole 83 can be 3,4,6, even More), it is provided with air chamber 84 in this nozzle body 81, enters tracheae 82 and all connect with air chamber 84 with each fumarole 83, from entering tracheae 82 steam entering into air chamber 84 are sprayed by each fumarole 83；

All fumaroles 83 are in that yi word pattern arranges；

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

The diameter of centrally located spray orifice is less than the diameter of the spray orifice positioned at both sides position, in centre little, both sides by Cumulative big.

Host housing 4 is provided with the window gripping for user and scrapes handle 3, and this window is scraped and is also equipped with an assist handle, such as Figure 21 To shown in Figure 30, this assist handle includes one and is installed on this window in removable mode and scrapes the main part 1 and on handle 3 being available for User grips to elevate the holding rod 2 that this window is scraped, and holding rod 2 is installed on main part 1；

This main part 1 includes a housing 12, and housing 12 is provided with one and is sheathed on this window for this housing 12 scrapes the set outside handle 3 Hole 11, housing 12 is set in this window through this set hole 11 and scrapes outside handle 3；This set hole is run through housing 12 about 11 and is formed a top and open Mouth 111 and lower openings 112.The outer surface that the inner surface in set hole 11 can be arranged to scrape handle with this window is adapted so that covering Hole 11 is preferably incorporated into this window and scrapes handle 3, additionally, this window is scraped being also provided with handle for controlling this window to scrape upper each electricity The control button that device part is turned on or off, and the inner surface covering hole 11 just presses button and so that each electric component is in out Open state.In prior art, such as a kind of sprayable disclosed in Chinese invention patent application prospectus CN103251347A Or the surface cleaning apparatus of water spray, it is also equipped with lengthening handle (i.e. assist handle), but this lengthening handle is by lengthening handle Positioning in body of rod insertion location hole, its stability is relatively low, clean operation inconvenience, and the main part 1 of the assist handle of the present invention leads to Cross removable mode and be arranged on window and scrape handle 3, the mode stability of such setting assist handle is higher, using very square Just, bring facility to cleaning, and window scrapes compact conformation.

One side mouth 113 being connected with this set hole 11 is additionally provided with this housing 12, this side mouth 113 is from upper opening 111 extend to lower openings 112 for this window scrape handle 3 from this side mouth 113 enter laterally set hole 11 in.

This housing 12 is provided with one for opening or closing the latching device of this side mouth 113 to optionally allow for Or stop this window from scraping handle 3 to enter or walk out this set hole 11.

This latching device includes handle 13 and grab body 14, and this handle 13 pivot joint on housing 12 and is located at side mouth 113 side；

On housing 12, it is provided with housing channel 121 in the opposite side of this side mouth 113；One end pivot joint of this grab body 14 On handle 13, the other end is provided with the flange 141 being embedded in housing channel 121；When latching device closes this side mouth When 113, flange 141 is embedded in housing channel 121；When latching device opens this side mouth 113, flange 141 exits shell Body groove 121.

This holding rod 2 includes the end to end point bar 21 of some sections, is provided with assembling structure simultaneously between two connecting point bar 21 (in figure shows that three sections divide bar 21) is linked together in removable mode by this assembling structure.

Assembling structure includes tube expansion 22, locking cap 23 and alignment pin 24；

The upper end of tube expansion 22 is provided with a upper jack being available for tail end 212 insertion of previous section point bar in the two points of bars 21 connecting 221, the lower end of tube expansion 22 is provided with one and is available for later section in the two points of bars 21 connecting divides the lower jack 222 that the head end 211 of bar inserts, The upper end of tube expansion 22 is provided with several circumferentially distributed shaft orientation opening grooves 223, forms an elastic claw between adjacent two open slots 223 224, the upper end of tube expansion 22 is provided with external screw thread, and the free end of each elastic claw 224 is provided with outer inclined-plane 2241, outside all elastic claws Inclined-plane 2241 is encircled into a male cone (strobilus masculinus)；

Locking cap 23 is in hollow structure the upper end being placed on tube expansion 22, and the inwall of locking cap 23 is provided with internal thread, locking cap 23 are additionally provided with the inner conical surface 231 of one and male cone (strobilus masculinus) cooperation, screw lock with the cooperation of the threaded upper ends of tube expansion 22, the inwall of locking cap 23 Tight cap 23 selectively makes all elastic claw 224 radial directions tighten up or resets to lock or to unclamp in the upper jack 221 of insertion Previous section point bar 21；

Tube expansion 22 is fixedly mounted on later section by jack 222 under it and divides on the head end 211 of bar；

Upper jack 221 is connected with lower jack 222, and one end insertion later section of alignment pin 24 is divided in the head end 211 of bar, another In the tail end 212 of end insertion previous section point bar.

The diameter of upper jack 221 is less than the diameter of lower jack 222, is formed in the intersection of upper jack 221 and lower jack 222 Step surface 225, later section divides head end 211 contact of bar on step surface 225；

In the two points of bars 21 connecting, the diameter of previous section point bar divides the diameter of bar less than later section；

Alignment pin 24 is stepped, and one section of 241 big insertion later section of its external diameter is divided in the head end 221 of bar, and its external diameter is little The tail end 222 of one section of 242 insertion previous section point bar in, tail end 222 contact of previous section point bar is in the convex shoulder 243 of alignment pin Place, convex shoulder 243 contact of alignment pin is on step surface 225.

Housing 12 is provided with the jack 15 of an one end insertion supplying this holding rod 2, and holding rod 2 is inserted in removable mode In jack 15.Open Side Down for jack 15.Jack 15 (is located at a section the most front in some section point bars with one end of holding rod 2 The head end of point bar) between can be provided with location locking mechanism, for example, a location hole 151 is opened up on the outer wall of jack 15, and One end of holding rod 2 is provided with button (not shown) or the keeper of other forms is realized with the cooperation of this location hole 151 Locking between jack 15 and holding rod 2.

This housing 12 and this window scrape the attachment structure being provided with relative positioning between handle 3.

This attachment structure includes the projection 16 in the set hole 11 of housing and scrapes the shrinkage pool (figure on handle 3 located at this window Not shown in), housing 12 is arranged on this window when scraping on handle 3, in projection 16 insertion shrinkage pool.Certainly, attachment structure may also be employed Other structures, 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, Chinese invention patent Ublic specification of application CN103251348A etc..

Claims (9)

1. the suction unit (6) that a kind of window is scraped, including motor (61) and impeller (62), the front end dew of the output shaft (611) of motor Drive end bearing bracket (612) for motor, impeller (62) be arranged on the output shaft (611) of motor front end it is characterised in that：

On the drive end bearing bracket (612) of motor, radiator is installed；

This window is scraped and is scraped main frame (M) and the steam generator (Z) for producing steam including window, and this window is scraped main frame (M) and included main frame Shell (4), for cleaning the suction nozzle with battery unit (5) drawing the liquid of glass surface and air mixture during glass surface, being used for collecting The catch box (7) of the liquid sucking from suction nozzle with battery unit (5) and the nozzle for spraying the steam being produced by steam generator (Z) (8), suction unit (6) is scraped main frame (M) located at this window and above and with suction nozzle with battery unit is connected 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 (4) of main frame；

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

Steam generator (Z) include one can dock with the first joint (42) outwards defeated for the steam that produces steam generator The second joint (92) going out；When steam generator (Z) be arranged on host housing (4) upper when, the first joint (42) and the second joint (92) dock, the steam that steam generator (Z) produces is after the second joint (92), the first joint (42), the first pipeline (41) Spray from nozzle (8)；

Steam generator (Z) is also included for the heater (95) of generation steam, storage tank (96), second pipe after water is heated (91), the 3rd pipeline (93) and the 6th pipeline (94), heater (95) is provided with heater water inlet (951) and heater air outlet (952), storage tank (96) is provided with storage tank delivery port (961), and 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), 3rd pipeline (93) is connected between heater water inlet (951) and third channel (922), and second pipe (91) is connected to heating Between device gas outlet (952) and second channel (921)；

Window scrape main frame (M) also include the 4th pipeline (43), the 5th pipeline (44) and for from storage tank (96) to heater (95) Send the pump group part of water, pump group part is provided with pump group part water inlet (451) and pump group part delivery port (452), the first joint (42) is provided with First passage (421), fourth lane (422) and Five-channel (423), the 5th pipeline (44) is connected to pump group part water inlet (451) and Five-channel (423) between, the 4th pipeline (43) be connected to pump group part delivery port (452) and fourth lane (422) it Between, the first pipeline (41) is connected between nozzle (8) and first passage (421)；

When first joint (42) is docked with the second joint (92), first passage (421) is connected with second channel (921), threeway Road (922) is connected with fourth lane (422), and Five-channel (423) is connected 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 group Part water inlet (451), pump group part, pump group part delivery port (452), the 4th pipeline (43), fourth lane (422), third channel (922), the 3rd pipeline (93) and heater water inlet (951) form a current road, heater air outlet (952), second pipe Road (91), second channel (921), first passage (421), the first pipeline (41) and nozzle (8) form a vapor flow path；

This pump group part includes a push type one-way control valve, and this push type one-way control valve includes valve body (45), located at valve body sky Valve element (46) in chamber, in valve cavity and act on the back-moving spring (47) of valve element (46) and act on valve element (46) valve element push rod (48), pump group part water inlet (451) and pump group part delivery port (452) are all gone up and and valve located at valve body (45) Body cavity connects；

Press the external part (481) of this valve element push rod and overcome the effect of back-moving spring (47) and along valve body sky with movable valve plug (46) Chamber move, make valve cavity formed high pressure, and by enter valve cavity in water successively through pump group part delivery port (452), the 4th Pipeline (43), fourth lane (422), third channel (922), the 3rd pipeline (93) and heater water inlet (951) push and add In hot device (95)；

Unclamp the external part (481) of this valve element push rod, valve element (46) resets in the presence of back-moving spring (47), and make valve body empty Chamber formed negative pressure so that the water in storage tank (96) successively through storage tank delivery port (961), the 6th pipeline (94), the 6th lead to Road (923), Five-channel (423), the 5th pipeline (44), pump group part water inlet (451) suck in valve cavity；

It is provided with engaging support mechanism, steam generator (Z) is locked by engaging support mechanism between host housing (4) and steam generator (Z) On host housing (4)；

Steam generator (Z) also includes generator shell (9), and the top of generator shell (9) is provided with one and supplies host housing (4) The groove (97) of bottom insertion, engaging support mechanism includes button (98) and elastic reset member (99), and generator shell is provided with (9) Container (901), button (98) be slippingly arranged in container (901) and button (98) head from generator shell (9) side wall stretches out for user's pressing, and the afterbody of button (98) is provided with a grab stretching out from the bottom surface of groove (97) (902), it is provided with the main frame groove (49) coordinating with grab (902) in host housing (4), the bottom surface (401) of host housing is provided with It extend into the perforation (402) in host housing for grab (902), when steam generator (Z) is arranged on host housing (4), Grab (902) perforated (402) extend in host housing (4), and button (98) is between a latched position and a unlocked position Switching；

When button (98) is in the locked position, grab (902) embeds in main frame groove (49) so that steam generator (Z) is locked in 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), between container (901) and button (98), makes button by elastic reset member (99) (98) there is movement tendency all the time that be returned to latched position, press button (98) and order about button (98) and overcome elastic reset unit The effect of part (99) moves to unlocked position from latched position, and after release button (98), elastic reset member (99) orders about button (98) it is returned to latched position from unlocked position；

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) On.

2. a kind of window according to claim 1 is scraped suction unit (6) it is characterised in that：This radiator is located at impeller (62) and the drive end bearing bracket (612) of motor between.

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

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

5. a kind of window according to claim 4 is scraped suction unit (6) it is characterised in that：The quantity of installing hole (633) is More than 2,2 orifice rings installed above are arranged around centre bore.

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

7. a kind of window according to claim 1 is scraped suction unit (6) it is characterised in that：

This window is scraped main frame (M) and is also included an aspiration passing through catch box (7), and suction nozzle with battery unit (5) and suction unit (6) are passed through to take out Inhale pipeline connection, 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), and this is taken out Suction pipe road is provided with one section of gas-liquid separation pipe, and gas-liquid separation pipe includes the body (71) of a hollow, and the upper end of body (71) is provided with gas Liquid flow inlet (711), the lower end of body (71) is provided with gas outlet (712), and the side wall of body (71) offers the gas mutually staggering Fluid outlet (713) and air intake (714), gas-liquid flow export (713) and air intake (714) are all connected with the cavity (72) of catch box Lead to and make gas-liquid flow export (713) be in connected state by the cavity (72) of catch box and air intake (714), body is provided with (71) Body is divided into the retaining wall (717) of an epimere (715) and a hypomere (716), the gentle fluid outlet of gas-liquid inflow entrance (711) by one (713) it is respectively positioned on epimere (715), air intake (714) and gas outlet (712) are respectively positioned on hypomere (716)；

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

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

Nozzle (8) includes a nozzle body (81) being installed on host housing (4), and this nozzle body (81) is provided with least one Individual enter tracheae (82) and more than 2 fumaroles (83), be provided with air chamber (84) in this nozzle body (81), enter tracheae (82) and each Fumarole (83) is all connected with air chamber (84), enters into the steam of air chamber (84) by each fumarole (83) spray from entering tracheae (82) Go out；

All fumaroles (83) are in that yi word pattern arranges；

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

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

Host housing (4) is provided with the window gripping for user and scrapes handle (3), and this window is scraped and is also equipped with an assist handle, this auxiliary Handle include one with removable mode be installed on the main part (1) and that this window scrapes on handle (3) be available for users to gripping with Elevate the holding rod (2) that this window is scraped, holding rod (2) is installed on main part (1)；

This main part (1) includes a housing (12), and housing (12) is provided with one and is sheathed on this window for this housing (12) scrapes handle (3) Outer set hole (11), housing (12) is set in this window through this set hole (11) and scrapes handle (3) outward；Housing is run through in this set hole (11) up and down (12) upper opening (111) and lower openings (112) are formed；

One side mouth (113) being connected with this set hole (11) is additionally provided with this housing (12), this side mouth (113) is from top Opening (111) extends to lower openings (112) and scrapes handle (3) and enter laterally from this side mouth (113) for this window and covers hole (11) in；

This housing (12) is provided with one and is used for opening or closing the latching device of this side mouth (113) to optionally allow for Or stop this window from scraping handle (3) to enter or walk out this set hole (11)；

This latching device includes handle (13) and grab body (14), and this handle (13) is articulated in housing (12) above and opens positioned at sidepiece The side of mouth (113)；

Housing (12) is upper, be provided with housing channel (121) in the opposite side of this side mouth (113)；One end of this grab body (14) It is articulated on handle (13), the other end is provided with the flange (141) being embedded in housing channel (121)；When latching device is closed During this side mouth (113), flange (141) is embedded in housing channel (121)；When latching device opens this side mouth (113), when, flange (141) exits housing channel (121).