CN204120938U - The suction unit that a kind of window is scraped - Google Patents

Abstract

The utility model relates to a kind of glass surface cleaning device, particularly relates to the suction unit that a kind of window is scraped.It 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, and the drive end bearing bracket of motor is provided with radiator; This radiator is between impeller and the drive end bearing bracket of motor; This radiator is the metal fin in dish being provided with boss in the middle of, and the table top of boss is adjacent to the drive end bearing bracket of motor, offers a centre bore passed for the front end of output shaft in the middle of the table top of boss.The drive end bearing bracket of motor of the present utility model is provided with radiator, and radiator can strengthen the radiating effect of motor, extends the service life of motor; This radiator is between impeller and the drive end bearing bracket of motor, and like this, the heat of radiator can be taken away by the air-flow of impeller blowout fast, strengthens radiating effect.

Description

The suction unit that a kind of window is scraped

Technical field

The utility model relates to a kind of glass surface cleaning device, particularly relates 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 carry out suction removing and/or to glass surface spraying cleaning liquid etc. to the liquid (such as cleaning solution) on glass surface (or other crust).Such as Chinese invention patent application prospectus CN103222831A, CN103251348A, CN101909499A, CN103251347A all discloses the technical scheme that a kind of glass surface cleaning device and window are scraped, portable hard surface vacuum wherein disclosed in CN101909499A is provided with suction unit, this suction unit comprises air-breathing turbine (i.e. impeller) and motor, motor drives air-breathing rotating turbine and produces negative-pressure sucking thus attract the liquid on crust and air mixture, but the electric motor overheating amount of this suction unit is large and do not have suitable radiator structure, radiating effect is poor, motor is easily caused to burn, reduce service life.

Summary of the invention

The utility model object is the suction unit providing a kind of window to scrape, 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: the drive end bearing bracket of motor is provided with radiator.

Above technical scheme is further improved by following measures:

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

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

The table top of boss is also provided with several installing holes, and 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 more than 2 installing holes are arranged around centre bore.

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

This window is scraped and is comprised window and scrape main frame and the steam generator for generation of steam, this window scrapes that main frame comprises host housing, for drawing the suction nozzle with battery unit of the liquid of glass surface and air mixture, suction nozzle with battery unit during cleaning glass surface, for collecting the catch box of liquid and the nozzle for spraying the steam produced by steam generator that suck from suction nozzle with battery unit, suction machine is mounted on this window and scrapes on main frame and with suction nozzle with battery unit and be communicated with to make suction nozzle with battery unit produce 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 second joint outwards exported for the steam produced by steam generator that can dock with the first joint, 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 the heater to generating steam after water heating, storage tank, second pipe, the 3rd pipeline and the 6th pipeline, heater is provided with heater water inlet and heater gas outlet, storage tank is provided with storage tank delivery port, second joint is provided with second channel, third channel and Hexamermis spp, 6th pipeline is connected between storage tank delivery port and Hexamermis spp, 3rd pipeline is connected between heater water inlet and third channel, and second pipe is connected between heater gas outlet and second channel, window is scraped main frame and is also comprised the 4th pipeline, the 5th pipeline and for sending the pump assembly of water from storage tank to heater, pump assembly is provided with pump assembly water inlet and pump assembly delivery port, first joint is provided with first passage, four-way and Five-channel, 5th pipeline is connected between pump assembly water inlet and Five-channel, 4th pipeline is connected between pump assembly delivery port and four-way, and the first pipeline is connected between nozzle and first passage, when first joint docks with the second joint, first passage is communicated with second channel, third channel is communicated with four-way, Five-channel is communicated with Hexamermis spp, now, storage tank, storage tank delivery port, the 6th pipeline, Hexamermis spp, 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, the spool be located in valve cavity, be located in valve cavity and act on the back-moving spring of spool and act on the spool push rod of spool, and pump assembly water inlet and pump assembly delivery port to be all located on valve body and to be communicated with valve cavity, press the external part of this spool push rod and overcome the effect of back-moving spring with movable valve plug and move along valve cavity, make valve cavity form high pressure, and the water entered 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, thus the water in storage tank is made to suck in valve cavity through storage tank delivery port, the 6th pipeline, Hexamermis spp, Five-channel, the 5th pipeline, pump assembly water inlet successively, be provided with engaging support mechanism between host housing and steam generator, 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 a groove inserted for the bottom of host housing, engaging support mechanism comprises button and elastic reset member, container is provided with in generator shell, button is arranged in container slippingly and the head of button stretches out for user's pressing from the sidewall of generator shell, the afterbody of button is provided with a grab stretched out from the bottom surface of groove, the main frame groove coordinated with grab is provided with in host housing, the bottom surface of host housing is provided with the perforation extend into for grab in host housing, when steam generator is arranged on host housing, grab perforated extend in host housing, button switches between a latched position and a unlocked position, when button is in latched position, grab embeds in main frame groove to make steam generator be locked on host housing, when button is in the unlocked position, grab exits main frame groove to make steam generator detachable, elastic reset member is located between container and button, button is made to have the movement tendency being returned to latched position all the time by elastic reset member, pressing 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, 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 the aspiration that passes 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 the gas-liquid flow outlet and air intake of mutually staggering, gas-liquid flow outlet and air intake all with the cavity connects of catch box and to make gas-liquid flow export by the cavity of catch box and air intake be connected state, the retaining wall that body to be divided into an upper section and a lower section by one is provided with in body, the gentle fluid outlet of gas-liquid flow entrance is 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 export near gas-liquid flow, the upside of the high-end close air intake of retaining wall.

Nozzle comprises one and is installed on nozzle body on host housing, this nozzle body is provided with at least one and enters tracheae and more than 2 fumaroles, be provided with air chamber in this nozzle body, enter tracheae and be all communicated with air chamber with each fumarole, sprayed by each fumarole from the steam entering tracheae and enter into air chamber; All fumaroles are yi word pattern arrangement; 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 gripped for user and scrapes handle, this window is scraped also is furnished with an assist handle, this assist handle comprise one with removable mode be installed on this window main part and scraped on handle be available for users to grip to elevate the holding rod that this window is scraped, 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 for this housing and scrapes trepanning outside handle, 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; This housing is also provided with a side mouth be communicated with this trepanning, this side mouth extends to lower openings from upper opening and scrapes handle for this window and laterally enter in trepanning from this side mouth; This housing is provided with one and enters or walk out this trepanning for the latching device of opening or closing this side mouth selectively to allow or to stop this this window to scrape handle; This latching device comprises handle and grab body, and this handle pivot to be connected on housing and to be positioned at the side of side mouth; Housing channel is provided with on housing, 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 channel; When latching device closes this side mouth, flange is embedded in housing channel; When latching device opens this side mouth, flange exits housing channel.

Each technical measures can select a use above, also use capable of being combined, as long as do not form conflict each other.

The utility model compared with prior art tool has the following advantages:

(1) the suction unit scraped of this window, 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, the drive end bearing bracket of motor is provided with radiator, and 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 heat of radiator can be taken away by the air-flow of impeller blowout fast, strengthens radiating effect;

(3) this radiator is the metal fin in dish being provided with boss in the middle of, and the table top of boss is adjacent to the drive end bearing bracket of motor to realize contact transmission heat radiation, strengthens radiating effect;

(4) table top of boss is 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 radiator and is arranged on the drive end bearing bracket of motor, installs simple and fast;

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

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

(7) retaining wall that body to be divided into an upper section and a lower section by is provided with in the body of gas-liquid separation pipe, the gentle fluid outlet of gas-liquid flow entrance is 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 one and is installed on nozzle body on host housing, this nozzle body is provided with more than 2 fumaroles, more than 2 fumaroles spray steam simultaneously, increase the spray area of steam, this nozzle can expand to the jet scope of glass surface (or other crust) to make glass surface (or other crust) evenly jet, reasonable in design, and cleaning effect is better, clean more comprehensively, cleaner; When clean, the orientation due to all fumaroles is parallel to the length direction of scraping article, and multiple fumarole coordinates the flexible scraping article of strip, the region major part inswept in the flexible scraping article of strip is 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 comprise one with removable mode be installed on this window main part and scraped on handle be available for users to grip to elevate the holding rod that this window is scraped, to glass surface higher part divide carry out clean time, this assist handle is arranged on 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, not only structure is simple for it, and very easy to use, bring facility to cleaning.

Accompanying drawing explanation

Fig. 1 and 2 is two different angles schematic perspective views that the window of the utility model application is scraped, and wherein, steam generator is arranged on window and scrapes on main frame;

Fig. 3 be the window scraped of window of the utility model application scrape main frame and steam generator dismantle after schematic diagram;

Fig. 4 is the perspective exploded view that the window of the utility model application is scraped;

Fig. 5 is the cross-sectional schematic that the window of the utility model application is scraped, and 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 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 the button scraped of window of the utility model application when 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 first joint scraped of window of the utility model application docks with the second joint;

Figure 12 is first joint scraped of window of the utility model application and the perspective exploded view of the second joint;

Figure 13 is the cross-sectional schematic after first joint scraped of window of the utility model application docks with the second joint;

Figure 14 is the connection diagram of 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 that the window of the utility model application is scraped;

Figure 15 is the schematic perspective view of the gas-liquid separation pipe that the window of the utility model application is scraped;

Figure 16 is the cross-sectional schematic of the gas-liquid separation pipe that the window of the utility model application is scraped;

Figure 17 is the schematic perspective view of the nozzle that the window of the utility model application is scraped;

Figure 18 is the cross-sectional schematic of the nozzle that the window of the utility model application is scraped;

Figure 19 is cross-sectional schematic of the present utility model;

Figure 20 is perspective exploded view of the present utility model;

Figure 21 be the assist handle scraped of window of the utility model application be installed on window scrape handle after using state schematic diagram;

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

Figure 23 is the perspective exploded view of the assist handle that the window of the utility model application is scraped;

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

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

Figure 27 is an orthographic projection view of the main part of the assist handle that the window of the utility model application is scraped, and wherein latching device is in released state;

Figure 28 is be connected two points of bars of assist handle of scraping of window of the utility model application and the sectional 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 that the window of the utility model application is scraped;

The first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the 5th pipeline and the 6th pipeline is not all shown in above-mentioned Fig. 1 to Figure 10.

Reference numeral:

M window scrapes main frame;

Z steam generator;

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, the bottom surface of 401 host housings, 402 perforation;

5 suction nozzle with battery unit, 51 scraping articles; 6 suction unit, 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; 7 catch boxs, 71 bodys, 711 gas-liquid flow entrances, 712 gas outlets, 713 gas-liquid flow outlets, the low side of 714 air intakes, 715 epimeres, 716 hypomeres, 717 retaining walls, 7171 retaining walls, high-end, the cavity of 72 catch boxs, 73 approach sections, 74 changeover portions, 75 rears of 7172 retaining walls; 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 Hexamermis spp, 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, the 962 not mouth of a river, 97 grooves, 98 buttons, 99 elastic reset members, 901 containers, 902 grabs, 903 power lines;

3 windows scrape handle; 1 main part, 11 trepannings, 111 upper openings, 112 lower openings, 113 side mouth, 12 housings, 121 housing channel, 13 handles, 14 grab bodies, 141 flanges, 15 jacks, 151 locating holes, 16 projections; 2 holding rods, 21 points of bars, the head end of 211 rear joint point bars, 212 last joints divide jack on the tail end of 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.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

A kind of window as shown in Fig. 1 to Figure 30 is scraped, comprise window and scrape main frame M and the steam generator Z for generation of steam, wherein this window is scraped main frame M and is comprised host housing 4, the liquid of glass surface and the suction nozzle with battery unit 5 of air mixture is drawn for during cleaning glass surface, be communicated with suction nozzle with battery unit to make suction nozzle with battery unit produce the suction unit 6 of suction, for collecting the catch box 7 of liquid and the nozzle 8 for spraying the steam produced by steam generator Z that suck from suction nozzle with battery unit 5, 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 the first pipeline 41 and the first joint 42, 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 second joint 92 outwards exported for the steam produced by steam generator that can dock with the first joint 42; 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, first joint 42, first pipeline 41.

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

Window is scraped main frame M and is also comprised the 4th pipeline 43, the 5th pipeline 44 and for sending 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, first joint 42 is provided with first passage 421, four-way 422 and Five-channel 423,5th pipeline 44 is connected between pump assembly water inlet 451 and Five-channel 423,4th 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 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 Hexamermis spp 923, now, storage tank 96, storage tank delivery port 961, 6th pipeline 94, Hexamermis spp 923, Five-channel 423, 5th pipeline 44, pump assembly water inlet 451, pump assembly valve cavity, pump assembly delivery port 452, 4th pipeline 43, four-way 422, third channel 922, 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, 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, the spool 46 be located in valve cavity, be located in valve cavity and act on the back-moving spring 47 of spool 46 and act on the spool push rod 48 of spool 46, and pump assembly water inlet 451 and pump assembly delivery port 452 to be all located on valve body 45 and to be communicated with valve cavity;

Press the external part 481 of this spool push rod and overcome the effect of back-moving spring 47 with movable valve plug 46 and move along valve cavity, make valve cavity form high pressure, and the water entered in valve cavity is pushed in heater 95 through pump assembly delivery port the 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, thus the water in storage tank 96 is sucked in valve cavity successively through storage tank delivery port 961, the 6th pipeline 94, Hexamermis spp 923, Five-channel 423, the 5th pipeline 44, pump assembly water inlet 451.

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

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

When button 98 is in latched position, grab 902 embeds in main frame groove 49 to make steam generator Z be locked on host housing 4;

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

Elastic reset member 99 is located between container 901 and button 98, button 98 is made to have the movement tendency being returned to latched position all the time by elastic reset member 99, pressing button 98 and order about 98 effects overcoming elastic reset member 99 of pressing 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;

First joint 42 is arranged on the bottom surface 401 of host housing, second joint 92 is arranged on the bottom surface of groove 97, like this, when installing steam generator, window realizes the automatic butt of the first joint and the second joint while scraping the bottom insertion groove of the host housing of main frame.

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 perforated enters in host housing;

Generator shell 9 leads to a power line 903 of powering to heater 95, 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 side of groove 97 and the bottom of host housing 4 is suitable locates after making the bottom of host housing insert groove 97, 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 the aspiration that passes catch box 7, in the present embodiment, suction nozzle with battery unit realizes 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 the gas-liquid flow outlet 713 and air intake 714 of mutually staggering, gas-liquid flow outlet 713 is all communicated with the cavity 72 of catch box with air intake 714 and makes gas-liquid flow export 713 by the cavity of catch box 72 and air intake 714 is connected state, be collected in the cavity 72 of catch box for collecting the liquid sucked from suction nozzle with battery unit, the retaining wall 717 that body to be divided into an epimere 715 and a hypomere 716 by one is provided with in body 71, the gentle fluid outlet 713 of gas-liquid flow entrance 711 is all positioned at epimere 715, air intake 714 and gas outlet 712 are all positioned at hypomere 716,

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

In the present embodiment, the aspiration approach section 73, a section also comprised between one section of gas-liquid flow entrance being connected to suction nozzle with battery unit and gas-liquid separation pipe is located at the bottom of catch box 7 and the changeover portion 74 up extended in the cavity 72 of catch box from the bottom of catch box and one section of rear 75, changeover portion 74 is connected between the gas outlet of gas-liquid separation pipe and rear 75, rear 75 is connected between changeover portion 74 and suction unit 6, changeover portion and header body by integral forming or link together (such as glued joint, securing member be connected etc.) 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 are staggering in the circumferential;

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 near the downside of gas-liquid flow outlet 713, retaining wall high-end 7172 near the upside of air intake 712 in the cavity-like guiding the liquid hitting retaining wall to enter catch box, 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 illustrated in figures 19 and 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, and the drive end bearing bracket 612 of motor is provided with radiator;

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

The table top of boss 631 is also provided with several installing holes 633, the drive end bearing bracket 612 of motor 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;

The quantity of installing hole be more than 2 (merely illustrate 2 in the present embodiment, the quantity of certain installing hole can be 3,4, even more), more than 2 installing holes are arranged around centre bore;

This radiator is 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 made up (certain metal fin also can adopt other metal material to make) of aluminium or aluminium alloy or copper or copper alloy.

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

The arrangement in yi word pattern of all fumaroles 83;

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

Host housing 4 is provided with the window gripped for user and scrapes handle 3, this window is scraped also is furnished with an assist handle, this assist handle comprises one and is installed on this window in removable mode and scrapes main part on handle 31 and and be available for users to grip to elevate the holding rod 2 that this window is scraped, and holding rod 2 is installed on main part 1;

Host housing 4 is provided with the window gripped for user and scrapes handle 3, this window is scraped also is furnished with an assist handle, as shown in Figure 21 to Figure 30, this assist handle comprises one and is installed on this window in removable mode and scrapes main part on handle 31 and and be available for users to grip 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 comprises a housing 12, and housing 12 is provided with one and is sheathed on this window for this housing 12 and scrapes trepanning 11 outside handle 3, and housing 12 is set in this window through this trepanning 11 and scrapes outside handle 3; This trepanning about 11 runs through housing 12 and forms upper opening 111 and a lower openings 112.The outer surface that the inner surface of trepanning 11 can be arranged to scrape with this window handle adapts to make trepanning 11 be incorporated into this window better and scrapes handle 3, in addition, this window scrapes the control button that handle can also be provided with and scrape upper each electric component unlatching for controlling this this window or close, and the inner surface of trepanning 11 just in time presses button and makes each electric component be in opening.In prior art, such as disclosed in Chinese invention patent application prospectus CN103251347A a kind of sprayable or water spray surface cleaning apparatus, also be furnished with and add long handle (i.e. assist handle), but this adds long handle is that the body of rod by adding long handle inserts locating hole inner position, its stability is lower, clean operation inconvenience, and the main part 1 of assist handle of the present utility model is arranged on window by removable mode scrapes handle 3, the mode stability arranging assist handle is like this higher, very easy to use, facility is brought to cleaning, and window scrapes compact conformation.

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

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

This latching device comprises handle 13 and grab body 14, and this handle 13 pivot joint on housing 12 and be positioned at the side of side mouth 113;

Housing channel 121 is provided with on housing 12, 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 channel 121; When latching device closes this side mouth 113, flange 141 is embedded in housing channel 121; When latching device opens this side mouth 113, flange 141 exits housing channel 121.

This holding rod 2 comprises the end to end point bar 21 of some joints, is provided with assembly structure and links together (there is shown three joints and divide bar 21) by this assembly structure in removable mode between the two points of bars 21 connected.

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 the tail end 212 of bar can be divided to insert for last joint in the two points of bars 21 connected, the lower end of expand tube 22 is provided with a lower jack 222 that can insert for the head end 211 of a joint point bar rear in the two points of bars 21 connected, the upper end of expand tube 22 is provided with the shaft orientation opening groove 223 of several circumference distributions, an elastic claw 224 is formed between adjacent two open slots 223, 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, locking cap 23 coordinates with the threaded upper ends of expand tube 22, the inwall of locking cap 23 is also provided with an inner conical surface coordinated with male cone (strobilus masculinus) 231, screws locking cap 23 and selectively makes all elastic claw 224 radial directions tighten up or reset to lock or unclamp the last joint inserted 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, and one end of alignment pin 24 is inserted in the head end 211 of a rear joint point bar, and the other end inserts last joint and divides in the tail end 212 of bar.

The diameter of upper jack 221 is less than the diameter of lower jack 222, and at the intersection forming station terrace 225 of upper jack 221 with lower jack 222, head end 211 contact of a rear joint point bar is on step surface 225;

In the two points of bars 21 connected, the diameter of a joint point bar after last joint divides the diameter of bar to be less than;

Alignment pin 24 is in stairstepping, one section 241 that its external diameter is large is inserted in the head end 221 of a rear joint point 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 place of tail end 222 contact at alignment pin of bar, and convex shoulder 243 contact of alignment pin is on step surface 225.

Housing 12 is provided with a jack 15 inserted for one end of this holding rod 2, and holding rod 2 inserts in jack 15 in removable mode.Open Side Down for jack 15.One end of jack 15 and holding rod 2 can be provided with location locking mechanism between (i.e. some joints divide in bar be positioned at the head end that the most front saves point bar), such as, the outer wall of jack 15 is offered a locating hole 151, and the keeper being provided with button (not shown) or other form in one end of holding rod 2 coordinates with this locating hole 151 locking realized between jack 15 and holding rod 2.

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

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

In the utility model, the structure of host shell, the structure of suction nozzle with battery unit can adopt prior art, such as, and Chinese invention patent application prospectus CN103251348A etc.

Claims (10)

1. the suction unit (6) scraped of a window, comprise 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, it is characterized in that: the drive end bearing bracket (612) of motor is provided with radiator.

2. the suction unit (6) scraped of a kind of window according to claim 1, 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) scraped of a kind of window according to claim 2, it is characterized in that: this radiator is the metal fin (63) in dish being provided with boss (631) in the middle of, the table top of boss (631) is adjacent to the drive end bearing bracket (612) of motor, offers a centre bore (632) passed for the front end of output shaft (611) in the middle of the table top of boss (631).

4. the suction unit (6) scraped of a kind of window according to claim 3, it is characterized in that: the table top of boss (631) is also provided with several installing holes (633), the drive end bearing bracket (612) of motor 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) scraped of a kind of window according to claim 4, is characterized in that: the quantity of installing hole (633) is more than 2, and more than 2 installing holes are arranged around centre bore.

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

7. the suction unit (6) that a kind of window according to claim arbitrary in claim 1 to 6 is scraped, it is characterized in that: this window is scraped and comprised window and scrape main frame (M) and the steam generator (Z) for generation of steam, this window is scraped main frame (M) and is comprised host housing (4), the liquid of glass surface and the suction nozzle with battery unit (5) of air mixture is drawn for during cleaning glass surface, suction nozzle with battery unit (5), for collecting the catch box (7) of the liquid sucked from suction nozzle with battery unit (5) and the nozzle (8) for spraying the steam produced by steam generator (Z), this window is located in suction unit (6), and to scrape main frame (M) upper and be communicated with suction nozzle with battery unit to make suction nozzle with battery unit produce 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 comprised the first pipeline (41) and the first joint (42), 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 second joint (92) outwards exported for the steam produced by steam generator that can dock with the first joint (42); When steam generator (Z) is arranged on host housing (4), 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), 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), second joint (92) is provided with second channel (921), third channel (922) and Hexamermis spp (923), 6th pipeline (94) is connected between storage tank delivery port (961) and Hexamermis spp (923), 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), 5th pipeline (44) and for sending 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), first joint (42) is provided with first passage (421), four-way (422) and Five-channel (423), 5th pipeline (44) is connected between pump assembly water inlet (451) and Five-channel (423), 4th pipeline (43) is connected between pump assembly delivery port (452) and four-way (422), first pipeline (41) is connected between nozzle (8) and first passage (421),

When 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 Hexamermis spp (923), now, storage tank (96), storage tank delivery port (961), 6th pipeline (94), Hexamermis spp (923), Five-channel (423), 5th pipeline (44), pump assembly water inlet (451), pump assembly, pump assembly delivery port (452), 4th pipeline (43), four-way (422), third channel (922), 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), 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), the spool (46) be located in valve cavity, be located in valve cavity and act on the back-moving spring (47) of spool (46) and act on the spool push rod (48) of 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 overcome the effect of back-moving spring (47) with movable valve plug (46) and move along valve cavity, make valve cavity form high pressure, and the water entered 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, thus the water in storage tank (96) is made to suck in valve cavity through storage tank delivery port (961), the 6th pipeline (94), Hexamermis spp (923), Five-channel (423), the 5th pipeline (44), pump assembly water inlet (451) successively;

Be provided with engaging support mechanism between host housing (4) and steam generator (Z), 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 a groove (97) inserted for the bottom of host housing (4), engaging support mechanism comprises button (98) and elastic reset member (99), container (901) is provided with in generator shell (9), button (98) is arranged in container (901) slippingly and the head of button (98) stretches out for user's pressing from the sidewall of generator shell (9), the afterbody of button (98) is provided with a grab (902) stretched out from the bottom surface of groove (97), the main frame groove (49) coordinated with grab (902) is provided with in host housing (4), the bottom surface (401) of host housing is provided with the perforation (402) extend into for grab (902) in host housing, when steam generator (Z) is arranged on host housing (4), grab (902) perforated (402) extend in host housing (4), button (98) switches between a latched position and a unlocked position,

When button (98) is in latched position, grab (902) embeds in main frame groove (49) to make steam generator (Z) be locked on host housing (4);

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

Elastic reset member (99) is located between container (901) and button (98), button (98) is made to have the movement tendency being returned to latched position all the time by elastic reset member (99), pressing 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;

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) scraped of a kind of window according to claim 7, is characterized in that:

This window is scraped main frame (M) and is also comprised the aspiration that passes 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 the gas-liquid flow outlet (713) and the air intake (714) that mutually stagger, gas-liquid flow outlet (713) is all communicated with the cavity (72) of catch box with air intake (714) and makes gas-liquid flow export (713) cavity (72) by catch box with air intake (714) in connected state, the retaining wall (717) that body to be divided into an epimere (715) and a hypomere (716) by one is provided with in body (71), gas-liquid flow entrance (711) gentle fluid outlet (713) is 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 (7171) of retaining wall 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) scraped of a kind of window according to claim 8, is characterized in that:

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

All fumaroles (83) arrange in yi word pattern;

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) scraped of a kind of window according to claim 9, is characterized in that:

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

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

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

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

This latching device comprises handle (13) and grab body (14), and this handle (13) is articulated in housing (12) and goes up and be positioned at the side of side 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) is articulated on handle (13), and the other end is provided with the flange (141) that can be embedded in housing channel (121); When latching device closes this side mouth (113), flange (141) is embedded in housing channel (121); When latching device opens this side mouth (113), flange (141) exits housing channel (121).