CN104127155B - The nozzle that a kind of window is scraped - Google Patents

Abstract

The present invention relates to a kind of glass surface cleaning device, more particularly to the nozzle that a kind of window for spraying steam is scraped.It includes a nozzle body, the nozzle body be provided with can be passed through steam enter tracheae, air chamber and fumarole, the quantity of fumarole is more than 2, enters tracheae and each fumarole is connected with air chamber, is sprayed by each fumarole from the steam for entering tracheae and entering into air chamber.More than 2 fumaroles of the present invention spray steam simultaneously, increase the spray area of steam, and the nozzle can expand to the jet scope of glass surface so that the uniform jet of glass surface, more preferably, cleaning is more comprehensively, cleaner for cleaning effect；Length direction of the orientation of all fumaroles parallel to scraping article, so, in cleaning, due to all fumaroles orientation parallel to scraping article length direction, multiple fumaroles coordinate strip flexibility scraping article, and steam is sprayed in the inswept region major part of strip flexibility scraping article, make cleaning effect more preferable, cleaning is more comprehensively, cleaner.

Description

The nozzle that a kind of window is scraped

Technical field

The present invention relates to a kind of glass surface cleaning device, more particularly to the nozzle that a kind of window for spraying steam is scraped.

Background technology

Window scrapes the cleaning for being mainly used in glass surface (or other crusts), and it can (or other be hard to glass surface Surface) on liquid (such as cleaning solution) carry out suction removing and/or to glass surface spraying cleaning liquid etc..Such as Chinese invention Patent application prospectus CN103222831A, CN103251348A, CN101909499A, CN103251347A are disclosed A kind of glass surface cleaning device is the technical scheme that window is scraped, a kind of sprayable or water spray disclosed in wherein CN103251347A Surface cleaning apparatus be provided with spraying or water injector, the spraying or water injector include nozzle, during cleaning, using nozzle spray Or spray water to reach more preferable cleaning effect.But its nozzle is provided only with a spray orifice, can only (or other be hard to glass surface Surface) very small subrange spraying or water spray and uneven state is presented, design unreasonable, cleaning effect is not good.

Additionally, general window is scraped is provided with strip flexibility scraping article, when nozzle is provided only with a spray orifice, it is clear that can not coordinate Strip flexibility scraping article cleaning, only have in the inswept region of strip flexibility scraping article it is local by jet, whole region it is big Portion does not have jet, and cleaning effect is not good.

The content of the invention

Present invention aim at providing the nozzle that a kind of window is scraped, the nozzle can expand to glass surface (or other hard tables Face) jet scope so that the uniform jet of glass surface (or other crusts), reasonable in design, cleaning effect is more preferable.

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

The nozzle that a kind of window is scraped, including a nozzle body, the nozzle body be provided with can be passed through steam enter tracheae, air chamber And fumarole, it is characterised in that：The quantity of fumarole is more than 2, enters tracheae and each fumarole is connected with air chamber, from entering The steam that tracheae enters into air chamber is sprayed by each fumarole.

Above technical scheme can be further improved by following measures：

All fumaroles are arranged in yi word pattern.

The window is scraped including suction nozzle with battery unit, and suction nozzle with battery unit is provided with strip flexibility scraping article, the orientation of all fumaroles parallel to The length direction of scraping article.

The quantity of fumarole be more than 3, and centrally located spray orifice diameter than the spray orifice positioned at both sides position Diameter it is small.

The quantity for entering tracheae is 1.

The window is scraped and also scrapes main frame and steam generator for producing steam including window, and the suction nozzle with battery unit scrapes main frame located at window On, the window scrape main frame including host housing connect with suction nozzle with battery unit so that suction nozzle with battery unit generation suction suction unit, for collect from The catch box of the liquid of suction nozzle with battery unit suction and the nozzle for spraying the steam produced by steam generator；Steam generator with Removable mode is on the host housing that window scrapes main frame；Window scrapes main frame also includes the first pipeline and the first joint, first Joint is arranged on host housing, and the first pipeline is connected between nozzle and the first joint；Steam generator includes that one can be with the Second joint outwards exported for the steam for producing steam generator of one joint docking；When steam generator is arranged on master When on machine shell, the first joint is docked with the second joint, steam generator produce steam by the second joint, the first joint, Sprayed from nozzle after first pipeline；Steam generator also includes being generated after for heating water the heater of steam, storage tank, the Two pipelines, the 3rd pipeline and the 6th pipeline, heater are provided with heater water inlet and heater air outlet, and storage tank is provided with water storage Case delivery port, the second joint is provided with second channel, third channel and the 6th passage, the 6th pipeline be connected to storage tank delivery port with Between 6th passage, the 3rd pipeline is connected between heater water inlet and third channel, and second pipe is connected to heater and goes out Between gas port and second channel；Window scrapes main frame also includes the 4th pipeline, the 5th pipeline and for sending water to heater from storage tank Pump group part, pump group part is provided with pump group part water inlet and pump group part delivery port, the first joint be provided with first passage, fourth lane and Five-channel, the 5th pipeline is connected between pump group part water inlet and Five-channel, and the 4th pipeline is connected to pump group part delivery port Between fourth lane, the first pipeline is connected between nozzle and first passage；When first joint is docked with the second joint, first Passage is connected with second channel, and third channel is connected with fourth lane, Five-channel and the 6th channel connection, now, storage tank, Storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump group part water inlet, pump group part, pump group part go out The mouth of a river, the 4th pipeline, fourth lane, third channel, the 3rd pipeline and heater water inlet form a current road, and heater goes out Gas port, second pipe, second channel, first passage, the first pipeline and nozzle form a vapor flow path；The pump group part includes one Push type one-way control valve, the push type one-way control valve is including valve body, the valve element in valve cavity, located at valve cavity Back-moving spring that is interior and acting on valve element and the valve element push rod of valve element is acted on, pump group part water inlet and pump group part delivery port Connected on valve body and with valve cavity；Press the external part of the valve element push rod and the work of back-moving spring is overcome with movable valve plug With and along valve cavity movement, valve cavity is set to form high pressure, and the water that will enter in valve cavity successively through pump group part water outlet In mouth, the 4th pipeline, fourth lane, third channel, the 3rd pipeline and heater water inlet push-in heater；Unclamp the valve element The external part of push rod, valve element resets in the presence of back-moving spring, and valve cavity is formed negative pressure, so that in storage tank Water is successively through storage tank delivery port, the 6th pipeline, the 6th passage, Five-channel, the 5th pipeline, pump group part water inlet suction valve body In cavity；Engaging support mechanism is provided between host housing and steam generator, steam generator is locked in main frame by engaging support mechanism On shell；Steam generator also includes generator shell, and the top of generator shell is provided with one and supplies the bottom of host housing to insert Groove, engaging support mechanism include button and elastic reset member, container is provided with generator shell, button is slippingly installed In container and the head of button is stretched out for user's pressing from the side wall of generator shell, the afterbody of button is provided with one from recessed The grab that the bottom surface of groove is stretched out, is provided with the main frame groove coordinated with grab in host housing, the bottom surface of host housing is provided with for card Hook extend into the perforation in host housing, and when steam generator is arranged on host housing, grab perforated extend into main frame In shell, button switches between a latched position and a unlocked position；When button is in the locked position, grab insertion main frame ditch So that steam generator is locked on host housing in groove；When button is in the unlocked position, grab exits main frame groove so as to steam Vapour generator is detachable；Elastic reset member is located between container and button, button is had all the time by elastic reset member There is a movement tendency for being returned to latched position, press button and order about button and overcome the effect of elastic reset member from latched position Unlocked position is moved to, after release button, elastic reset member orders about button and is returned to latched position from unlocked position；First connects Head is arranged on the bottom surface of host housing, and the second joint is arranged on the bottom surface of groove.

The window scrapes main frame also includes an aspiration for passing through catch box, and suction nozzle with battery unit is connected with suction unit by aspiration 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 the aspiration is provided with one section Gas-liquid separation pipe, gas-liquid separation pipe includes a hollow body, 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 and air intake for mutually staggering, gas-liquid flow export and air intake with collection It is in connected state that the cavity of liquid case is connected and gas-liquid flow export is passed through the cavity of catch box and air intake, and one is provided with 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 inclined, and the low side of retaining wall is close to the downside of gas-liquid flow export, the high-end close air intake of retaining wall Upside.

Suction unit includes 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 installed Radiator is installed on the front end of the output shaft of motor, the drive end bearing bracket of motor；The radiator be boss is provided with the middle of one be in The metal fin of dish, the table top of boss is adjacent to the drive end bearing bracket of motor, and one is offered in the middle of the table top of boss for output shaft The centre bore that front end passes；Several mounting holes are additionally provided with the table top of boss, the drive end bearing bracket of motor is provided with and each mounting hole Corresponding screw, metal fin is arranged on the drive end bearing bracket of motor by screw；Before the radiator is located at impeller and motor Between end cap.

Host housing is provided with the window gripped for user and scrapes handle, and the window is scraped and is also equipped with an assist handle, the nondominant hand Handle includes that one is installed on the window and scrapes main part on handle and and is available for users to gripping to elevate the window in removable mode The holding rod scraped, holding rod is installed on main part；The main part includes a housing, and housing is provided with one and is sheathed on for the housing The window scrapes the set hole outside handle, and housing is scraped outside handle through the set borehole jack loaded on the window；The set hole forms one through housing up and down Upper opening and a lower openings；It is additionally provided with a side mouth connected with the set hole on the housing, the side mouth is from top Opening extends to lower openings and scrapes handle and entered laterally from the side mouth for the window and covers in hole；The housing is provided with one to be used for The latching device of the side mouth is opened or closes to optionally allow for or prevent the window to scrape handle entrance or walk out The set hole；The latching device includes handle and grab body, and the handle is articulated on housing and is located at the side of side mouth；Housing Above, the opposite side in the side mouth is provided with housing channel；One end of the 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 the side mouth, flange is embedded in housing channel；Work as locking machine When structure opens the side mouth, flange exits housing channel.

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

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

(1) nozzle includes nozzle body, and the nozzle body is provided with more than 2 fumaroles, and more than 2 fumaroles spray simultaneously Go out steam, increase the spray area of steam, the nozzle can expand to the jet scope of glass surface (or other crusts) with Make the uniform jet of glass surface (or other crusts), reasonable in design, more preferably, cleaning is more comprehensively, cleaner for cleaning effect, this Outward, more than 2 fumarole diverging jets, increase the spray area of steam；

(2) all fumaroles are arranged in yi word pattern, and the window is scraped including suction nozzle with battery unit, and suction nozzle with battery unit is provided with strip flexibility scraping article, The orientation of all fumaroles parallel to scraping article length direction, so, cleaning when, due to the arrangement side of all fumaroles To the length direction parallel to scraping article, multiple fumaroles coordinate strip flexibility scraping article, in the area that strip flexibility scraping article is inswept Domain major part is sprayed steam, makes cleaning effect more preferably, and cleaning is more comprehensively, cleaner；

(3) enter the quantity of tracheae for 1, enter tracheae and an air chamber correspondence multiple fumarole by one and form jet side Formula, simple structure is reasonable in design；

(4) steam generator that window of the invention is scraped in removable mode on the host housing that window scrapes main frame, Steam generator and window are scraped into main frame independence, realization is installed steam generator, need not used when needing to use steam function Steam generator is pulled down during steam function, hommization is rationally designed, very easy to use, using the first joint and the second joint pair Connect and realize being connected between steam generator and nozzle, simple and compact for structure, convenient disassembly；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 a current Road, realize to heater convey 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, and steam is converted to by water (or cleaning solution) Pipeline structure is reasonable in design simple；Engaging support mechanism is provided between host housing and steam generator, steam generator is by fastening Mechanism is locked on host housing, using engaging support mechanism steam generator can be made to scrape main frame convenient disassembly with window；Engaging support mechanism is adopted Unblock being realized with the cooperation of grab and main frame groove or being locked, simple structure is 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, when groove is inserted in the bottom of host housing, the first joint and the Two joints can complete docking, reasonable in design, easy to operate；

(5) retaining wall that body is divided into an upper section and a lower section is provided with the body of gas-liquid separation pipe, gas-liquid is flowed 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 inclined, and the low side of retaining wall is close to The downside of gas-liquid flow export, the upside of the high-end close air intake of retaining wall, gas-liquid separation tubular construction is simple, reasonable in design, manufacture Easily；

(6) suction unit includes motor and impeller, and the front end of the output shaft of motor is exposed to the drive end bearing bracket of motor, impeller peace Mounted in the front end of the output shaft of motor, radiator is installed on the drive end bearing bracket of motor, radiator can strengthen the radiating effect of motor, Extend the service life of motor；

(7) window is scraped and is also equipped with an assist handle, and the assist handle is installed on the window and scrapes including one in removable mode Main part and one on handle are available for users to gripping to elevate the holding rod that the window is scraped, and glass surface upper section is carried out clearly When clean, the assist handle is scraped on handle installed in the window, the holding rod operation window of the hand-held assist handle of user is scraped, When not using the 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 of the drawings

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

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

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

Fig. 5 is the schematic cross-sectional view that the window that the present invention is applied is scraped, wherein, steam generator is scraped on main frame installed in window；

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

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

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

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

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

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

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

Figure 13 is the schematic cross-sectional view after the first joint that the window that the present invention is applied is scraped is docked with the second joint；

Figure 14 be the present invention application window scrape the first joint, the second joint, the first pipeline, second pipe, the 3rd pipeline, The connection diagram of the 4th pipeline, the 5th pipeline, the 6th pipeline, nozzle, pump group part, heater and storage tank；

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

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

Figure 17 is schematic perspective view of the invention；

Figure 18 is schematic cross-sectional view of the invention；

Figure 19 is the schematic cross-sectional view of the suction unit that the window that the present invention is applied is scraped；

Figure 20 is the perspective exploded view of the suction unit that the window that the present invention is applied is scraped；

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

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

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

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

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

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

Figure 29 is the decomposing schematic representation of Figure 28；

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

Do not shown 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 windows scrape main frame；

Z steam generators；

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 mounting 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 The high-end of retaining wall, the cavity of 72 catch boxs, 73 approach sections, 74 changeover portions, 75 rears；8 nozzles, 81 nozzle bodies, 82 enter tracheae, 83 fumaroles, 84 air chambers；

9 steam generators, 91 second pipes, 92 second joints, 921 second channels, 922 third channels, 923 the 6th lead to Road, 93 the 3rd pipelines, 94 the 6th pipelines, 95 heaters, 951 heater water inlets, 952 heater air 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 line；

3 windows scrape handle；1 main part, 11 sets of holes, 111 upper openings, 112 lower openings, 113 side mouths, 12 housings, 121 housing channels, 13 handles, 14 grab bodies, 141 flanges, 15 jacks, 151 location holes, 16 projections；2 holding rods, 21 points of bars, The head end of 211 later sections point 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, including window scrapes the main frame M and steam generator Z for producing steam, its In the window scrape main frame M draws glass surface including host housing 4, for cleaning liquid and air mixture during glass surface Suction nozzle with battery unit 5 connected with suction nozzle with battery unit so that suction nozzle with battery unit produce suction suction unit 6, for collect from suction nozzle with battery unit 5 suck liquid Catch box 7 and the nozzle 8 for spraying the steam 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 scrapes main frame in removable mode installed in window On host housing 4；Nozzle 8 is put together located at the lower section of suction nozzle with battery unit 5, host housing 4 by left and right two halves；

Window scrapes main frame M also includes 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 the joint 42 of nozzle 8 and first；

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

Steam generator Z also generates the heater of steam after for being heated to water (can also be the liquid such as cleaning solution) 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 First 92 are provided with second channel 921, the passage 923 of third channel 922 and the 6th, and the first joint is docked with the sealing of the second joint, Realize that sealing docking can use following technological means：The outer end of second channel, third channel and the 6th passage is equipped with rubber ring Insert the 4th pipeline, the 6th passage in (not shown), the outer end of outer end insertion first passage, third channel in second channel Outer end insertion Five-channel in when, second channel, third channel and the 6th passage are logical with first by respective rubber ring Road, fourth lane and Five-channel form sealing and coordinate, and the 6th pipeline 94 is connected to the passage of storage tank delivery port 961 and the 6th 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 Between device gas outlet 952 and second channel 921, naturally it is also possible to realize the first joint and the second joint using other prior arts Sealing docking；

Window scrapes main frame M also includes the 4th pipeline 43, the 5th pipeline 44 and for sending water to heater 95 from storage tank 96 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 are 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 the first pipeline 41 is connected to nozzle 8 and first and leads to 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 Connected 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 form a current road, 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.

The pump group part includes a push type one-way control valve, and the push type one-way control valve is including 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 act on the valve of valve element 46 Core push rod 48, pump group part water inlet 451 and pump group part delivery port 452 are connected on valve body 45 and with valve cavity；

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

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

Engaging support mechanism is provided between host housing 4 and steam generator Z, steam generator Z is locked in by engaging support mechanism 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 being set in button 98 and elastic reset member 99, generator shell 9 Have a 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 stretched out from the bottom surface of groove 97, host housing 4 and sets There is the main frame groove 49 coordinated with grab 902, the bottom surface 401 of host housing is provided with and is extend into host housing for grab 902 Perforation 402, when steam generator Z is arranged on host housing 4, the perforated 402 of grab 902 is extend into host housing 4, is pressed Button 98 switches between a latched position and a unlocked position；

When button 98 is in the locked position, so that steam generator Z is locked in main frame in the insertion main frame of grab 902 groove 49 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 is located between container 901 and button 98, button 98 is begun by elastic reset member 99 Have eventually and be returned to the movement tendency of latched position, press button 98 and order 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 steam generator is installed, 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, when steam generator is dismantled, 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 To being filled in groove, grab perforated enters in host housing for bottom；

Generator shell 9 leads to a power line 903 powered to heater 95, and power line 903 is used to access 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 side of groove 97 and the bottom of host housing 4 Face is adapted so as to be positioned 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.Fastening machine Structure has two sets, and two sets of engaging support mechanisms are arranged symmetrically, and steam generator and window is scraped main frame and realizes being stably connected with, the side of groove with The side of the bottom of host housing is adapted so as to be positioned after the bottom insertion groove of host housing, convenient disassembly；

The window scrape main frame M also include one through catch box 7 aspiration, in the present embodiment, suction nozzle with battery unit with suction unit Realize connecting by aspiration, the upper end of aspiration is connected with suction nozzle with battery unit 5, lower end and the suction unit 6 of aspiration connect Connect, the aspiration is provided with one section of gas-liquid separation pipe, as shown in Figure 15 and Figure 16, gas-liquid separation pipe includes a hollow body 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 and air intake 714 for mutually staggering, gas-liquid flow export 713 and air intake 714 with It is in connected state that the cavity 72 of catch box is connected and gas-liquid flow export 713 is passed through the cavity 72 of catch box and air intake 714, is used for The liquid collected from suction nozzle with battery unit suction is collected in the cavity 72 of catch box, and being provided with one in body 71 is divided on one body The retaining wall 717 of the hypomere 716 of section 715 and, the gentle fluid outlet 713 of gas-liquid inflow entrance 711 is respectively positioned on epimere 715, air intake 714 Hypomere 716 is respectively positioned on gas outlet 712；

(certain mixture can also be liquid, particle (dust) to the mixture of the liquid-to-air drawn from suction nozzle with battery unit And the mixing of air three) conveyed by aspiration, when mixture is by 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 from gas-liquid flow export afterwards, this When, it is collected into the liquid in the cavity of header tank, and the air entered 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 is also connected between suction nozzle with battery unit and the gas-liquid inflow entrance of gas-liquid separation pipe including one section 73, one section of approach section up extend in the bottom of catch box 7 and the cavity 72 from the bottom of catch box to catch box Changeover portion 74 and one section of rear 75, changeover portion 74 are connected between the gas outlet of gas-liquid separation pipe and rear 75, and rear 75 connects 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, fastener 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 and air intake for mutually staggering are appreciated that gas-liquid flow export and air intake exist Stagger in the circumferential；

Retaining wall 717 is inclined, and gas-liquid flow export is contour with air intake higher than air intake, or gas-liquid flow export, 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 the cavity-like of catch box, gas-liquid flow export and air intake The angle for 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, Radiator is installed on the drive end bearing bracket 612 of motor；

The radiator is the metal fin 63 in dish that boss 631 is provided with the middle of, and the table top of boss 631 is adjacent to electricity The drive end bearing bracket 612 of machine offers a center passed for the front end of output shaft 611 to contact radiating in the middle of the table top of boss 631 Hole 632；

Several mounting 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 mounting hole 633 corresponding screws 613, metal fin 63 is arranged on the drive end bearing bracket 612 of motor by screw；

The quantity of mounting hole (merely illustrates 2, the quantity of certain mounting hole can be 3 for more than 2 in the present embodiment It is individual, 4, it is even more many), 2 orifice rings installed above around centre bore arrange；

The 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 is made (certain metal fin can also be made of other metal materials).

As shown in Figure 17 and Figure 18, nozzle 8 includes that one is installed on the nozzle body 81 on host housing 4, the nozzle body 81 are provided with least one enters tracheae 82 and (one is merely illustrated in the present embodiment and enters tracheae 82, and the number for entering tracheae 82 can be with 2,3, it is 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 It is more), air chamber 84 is provided with the nozzle body 81, enter tracheae 82 and each fumarole 83 is connected with air chamber 84, from entering tracheae 82 steam for entering into air chamber 84 are sprayed by each fumarole 83；

All fumaroles 83 are arranged in yi word pattern；

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

The diameter of centrally located spray orifice is smaller than the diameter of the spray orifice positioned at both sides position, in centre it is small, both sides by It is cumulative big.

Host housing 4 is provided with the window gripped for user and scrapes handle 3, and the window is scraped and is also equipped with an assist handle, such as Figure 21 Shown in Figure 30, the assist handle is installed on the window including one in removable mode to be scraped the main part 1 and on handle 3 and is available for User is gripped to elevate the holding rod 2 that the window is scraped, and holding rod 2 is installed on main part 1；

The main part 1 includes a housing 12, and housing 12 is provided with one and is sheathed on the window for the housing 12 scrapes set outside handle 3 Hole 11, housing 12 is set in the window and scrapes outside handle 3 through the set hole 11；The set hole forms a top and opens about 11 through housing 12 The lower openings 112 of mouth 111 and.The outer surface that covering the inner surface in hole 11 can be arranged to scrape handle with the window is adapted so that set Hole 11 is preferably incorporated into the window and scrapes handle 3, additionally, the window is scraped be also provided with handle for controlling the window to scrape upper each electricity The control button that device part is turned on or off, and the inner surface for covering hole 11 just presses button and make each electric component be in open Open state.In the prior art, for example it is 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 the 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 assist handle of the invention is logical Cross removable mode and scrape handle 3 installed in window, such mode stability for setting assist handle is higher, using very square Just, facility is brought to cleaning, and window scrapes compact conformation.

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

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

The latching device includes handle 13 and grab body 14, and the handle 13 is pivotally connected on housing 12 and is located at side mouth 113 side；

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

The holding rod 2 includes the end to end point bar 21 of some sections, and assembling structure is provided with simultaneously between the two points of bars 21 for connecting Linked together (three sections point bar 21 is shown in figure) in removable mode by the 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 the upper jack of an insertion of tail end 212 for being available for previous section point bar in the two points of bars 21 for connecting 221, the lower end of tube expansion 22 is provided with the lower jack 222 of an insertion of head end 211 for being available for later section point bar in the two points of bars 21 for connecting, The upper end of tube expansion 22 is provided with several circumferentially distributed shaft orientation opening grooves 223, and an elastic claw is formed between adjacent two open slot 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 pawl Inclined-plane 2241 is encircled into a male cone (strobilus masculinus)；

Locking cap 23 is in hollow structure and is placed on the upper end of tube expansion 22, and the inwall of locking cap 23 is provided with internal thread, locking cap 23 coordinate with the threaded upper ends of tube expansion 22, and the inwall of locking cap 23 is additionally provided with an inner conical surface 231 coordinated with male cone (strobilus masculinus), screws lock Tight cap 23 selectively makes the radial direction of all elastic pawl 224 tighten up or reset to lock or unclamp in the upper jack 221 of insertion Previous section point bar 21；

Tube expansion 22 is fixedly mounted on the head end 211 of later section point bar by its lower jack 222；

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

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

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

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

Housing 12 is provided with a jack 15 inserted for one end of the 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 most preceding section with one end of holding rod 2 in i.e. some section point bars The head end of point bar) between can be provided with location locking mechanism, for example, open up a location hole 151 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 coordinates realization with the location hole 151 Locking between jack 15 and holding rod 2.

The housing 12 and the window scrape the attachment structure that relative positioning is provided between handle 3.

The attachment structure includes the projection 16 being located in the set hole 11 of housing and the shrinkage pool (figure on handle 3 is scraped located at the window Not shown in), housing 12 is scraped when on handle 3 installed in the window, in the insertion shrinkage pool of projection 16.Certainly, attachment structure can also be used 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 use prior art, for example, Chinese invention patent Ublic specification of application CN103251348A etc..

Claims (6)

1. the nozzle (8) that a kind of window is scraped, including a nozzle body (81), the nozzle body (81) are provided with and can be passed through entering for steam Tracheae (82), air chamber (84) and fumarole (83), it is characterised in that：The quantity of fumarole (83) is more than 2, enters tracheae (82) Connected with air chamber (84) with each fumarole (83), the steam of air chamber (84) is entered into by each fumarole from tracheae (82) is entered (83) spray；

All fumaroles (83) arrange in yi word pattern；

The window is scraped including suction nozzle with battery unit (5), and suction nozzle with battery unit (5) is provided with strip flexibility scraping article (51), the arrangement of all fumaroles (83) It is oriented parallel to the length direction of scraping article (51)；

The window is scraped and also scrapes main frame (M) and steam generator (Z) for producing steam including window, and the suction nozzle with battery unit (5) is scraped located at window On main frame (M), the window is scraped main frame (M) and is connected with suction nozzle with battery unit including host housing (4) so that suction nozzle with battery unit produces the suction machine of suction Group (6), for collect from suction nozzle with battery unit (5) suction liquid catch box (7) and for spray by steam generator (Z) produce Steam nozzle (8)；

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

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

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

Steam generator (Z) also includes being generated after for heating water heater (95), storage tank (96), the second pipe of steam (91), the 3rd pipeline (93) and the 6th pipeline (94), heater (95) are 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 scrapes main frame (M) also includes the 4th pipeline (43), the 5th pipeline (44) and for from storage tank (96) to heater (95) The pump group part of water, pump group part is sent to be 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) are 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), the second pipe Road (91), second channel (921), first passage (421), the first pipeline (41) and nozzle (8) form a vapor flow path；

The pump group part includes a push type one-way control valve, and the push type one-way control valve is empty including valve body (45), located at valve body 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 located on valve body (45) and and valve Body cavity is connected；

Press the external part (481) of the valve element push rod and overcome the effect of back-moving spring (47) and along valve body sky with movable valve plug (46) Chamber is moved, and valve cavity is formed high pressure, and the water that will enter in valve cavity 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-in add In hot device (95)；

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

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

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

When button (98) is in the locked position, so that steam generator (Z) is locked in embedded main frame groove (49) of grab (902) 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) makes button between container (901) and button (98) by elastic reset member (99) (98) there is the movement tendency for being returned to latched position, pressing button (98) all the time and orders 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) on the bottom surface (401) of host housing, bottom surface of the second joint (92) installed in groove (97) On.

2. the nozzle (8) that a kind of window according to claim 1 is scraped, it is characterised in that：The quantity of fumarole (83) be 3 with On, and the diameter of centrally located spray orifice is smaller than the diameter of the spray orifice positioned at both sides position.

3. the nozzle (8) that a kind of window according to claim 1 is scraped, it is characterised in that：The quantity for entering tracheae (82) is 1.

4. the nozzle (8) that a kind of window according to claim 1 is scraped, it is characterised in that：

The window scrapes main frame (M) also includes an aspiration for passing through catch box (7), and suction nozzle with battery unit (5) is with suction unit (6) by taking out Pipeline connection is inhaled, 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 a hollow body (71), 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 for mutually staggering Fluid outlet (713) and air intake (714), gas-liquid flow export (713) and air intake (714) connect with the cavity (72) of catch box Lead to and make gas-liquid flow export (713) by the cavity (72) and air intake (714) of catch box in connected state, is provided with body (71) One retaining wall (717) that body is divided into an epimere (715) and a hypomere (716), gas-liquid inflow entrance (711) gentle fluid outlet (713) epimere (715) is respectively positioned on, air intake (714) and gas outlet (712) are respectively positioned on hypomere (716)；

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

5. the nozzle (8) that a kind of window according to claim 4 is scraped, it is characterised in that：

Suction unit (6) includes motor (61) and impeller (62), and the front end of the output shaft (611) of motor is exposed to the front end of motor Lid (612), impeller (62) is provided with radiating on the front end of the output shaft (611) of motor, the drive end bearing bracket (612) of motor Device；

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

Several mounting 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 installation The corresponding screw (613) in hole (633), metal fin (63) is arranged on the drive end bearing bracket (612) of motor by screw；

The radiator is located between impeller (62) and the drive end bearing bracket (612) of motor.

6. the nozzle (8) that a kind of window according to claim 5 is scraped, it is characterised in that：It is characterized in that：

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

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

It is additionally provided with a side mouth (113) connected with the set hole (11) on the housing (12), the side mouth (113) is from top Opening (111) extends to lower openings (112) and scrapes handle (3) and entered laterally from the side mouth (113) for the window and covers hole (11) in；

The housing (12) is provided with one for opening or closing the latching device of the side mouth (113) to optionally allow for Or prevent the window from scraping handle (3) entrance or walk out the set hole (11)；

The latching device includes handle (13) and grab body (14), and the handle (13) is articulated on housing (12) and is opened positioned at sidepiece The side of mouth (113)；

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