KR100756003B1 - Steam nozzle member and multi-type steam cleaner with the steam nozzle member - Google Patents

Abstract

A steam nozzle member and a multi-type steam cleaner using the same are provided to assemble a nozzle unit to a handle casing easily by configuring the nozzle unit having a curved type jet pipe and a jet coupling. A steam nozzle member comprises a handle casing, a nozzle unit, and a lever. The handle casing is composed of a linear casing, a first curved casing, and a second curved casing. The nozzle unit is mounted on the handle casing to be opened by a valve. The lever opens the valve. The nozzle unit is composed of a curved type jet pipe(330) mounted on the linear casing and the first curved casing, and a jet coupling(350) contacted with the jet pipe having the valve.

Description

Steam nozzle member and multi-type steam cleaner with the steam nozzle member}

1 is a perspective view from the front of the multi-type vacuum cleaner according to a preferred embodiment of the present invention.

Figure 2 is a perspective view of the multi-type vacuum cleaner of Figure 1 seen from the back.

Figure 3 is an exploded perspective view of a velcro pad accessory according to a preferred embodiment of the present invention in plan view.

Figure 4 is an exploded perspective view of the accessory for Velcro pad of Figure 3 seen from the bottom.

Figure 5 is a perspective view showing a Velcro detachment protrusion of the bottom plate according to a preferred embodiment of the present invention.

6 to 8 are side cross-sectional views illustrating the use of the Velcro pad accessory.

Figure 9 is an exploded perspective view of the steam nozzle member according to a preferred embodiment of the present invention in plan view.

10 is a perspective view of the steam nozzle member of FIG. 9 in a plan view.

11 is a perspective view illustrating a nozzle unit in a steam nozzle member.

12 is a perspective view showing a main part of the spraying operation of the steam nozzle member;

13 to 15 are side cross-sectional views showing the locking, unlocking, continuous injection lock of the operation lever.

16 is a perspective view showing a conventional multi-type steam cleaner.

17 is a perspective view showing a state in which accessories are connected to the nozzle of the multi-type steam cleaner of FIG.

<Explanation of symbols for main parts of the drawings>

100: accessory 110: cover

120: Velcro detachable protrusion 130: bottom plate

131: steam inlet 132: steam distribution passage

133: passage cover 134: steam outlet

140: connection pipe 141: connection pipe steam exit

143a, 143b: first fixed position stopper 150: hinge member

151: hinge portion (hinge bin) 152: cutting groove

153: hinge cover 154a: first guide groove

154b: second guide groove 160: positioning member

161: fixing protrusion 163: elastic portion (C type ring)

165: fixed groove (first fixed position) 166: end (second fixed position)

167: support bracket 169: second fixed position stopper

200: extension pipe 300: steam nozzle member

310: handle casing 311,315: jungle prevention jaw

312: long hole 313: lever hinge support bracket

314: anti-rotation jaw 316: locking jaw

320: nozzle portion 330: jet pipe

330a: jet part 331,351: protruding frame

333,353: protruding band 340: valve

341: movable shaft 343: valve seat

345: opening and closing plate 347: spring

347a, 347b: Lower seat, upper seat 350: Jet coupling

350a: hollow tube 350b: branch tube

370: lever 371: arm

372: tip side 373: lever hinge

375: Pressing part 377: Protruding piece

377a: locking projection 390: lever lock

391: slider 392: wing

393: locking piece 394: locking groove

395: elastic piece 396: locking jaw

400: removable member 410: push button

411: guide protrusion 412: spring

414: spring lower seat 415: push button fastening

416: guide groove 500: main body

600: hose Ｗ: washer

N: Nuts O1 to O3: O-rings

International Publication No. 2020 / 4-073386

The present invention relates to a steam nozzle member for a steam cleaner comprising a nozzle portion assembled to a bent handle casing and a jet coupling and a bent jet pipe, and a multi-type steam cleaner using the same.

As a conventional multi type steam cleaner (more specifically, a multi type steam vacuum cleaner), what is disclosed by the publication of a patent document is proposed, for example.

As shown in Figs. 16 and 17, the multi-type steam cleaner 1 is composed of a nozzle 2 for supplying steam to the main body 2 on which the steam generating boiler or the like is mounted and the accessory 4 disposed at the end thereof. It is. The accessory 4 has a steam jet port formed at the center of the bottom plate, and a large brush, a small brush, and a nozzle / round brush brush (mainly used for corners such as window frames and door frames) are planted at the edges around the bottom plate.

Large brushes are used to remove stinging, but when cleaning floors such as floors, floorboards, tiles, etc., use a towel or clip clipped to them. Also, when cleaning windows, insect screens, wall tiles, cloth sofas, etc., put a small towel on a small brush, or in the case of a general towel, use a band.

As such, when cleaning the floor or wall surface, there is a hassle to use or pick up the towel, and the towel may come off when pushing and pulling.

There is also the hassle of having to change brushes when cleaning the floor and when cleaning the walls. It also has the advantage of using small brushes in tight places that cannot be used with large brushes. However, since the brush 14 connection pipe connected to the connecting cylinder 13 is fixed at an angle of approximately 45 degrees with respect to the bottom surface, the bottom surface is inclined to be easy to wipe, but the wall surface is inconveniently inclined. Therefore, small brushes are used separately because they are inclined with a pipe close to the wall for easy cleaning on the wall.

On the other hand, the nozzle 3 is composed of a body (7) having a handle (8), a steam supply jet portion (10b) formed on the connecting means 10 of the body (7), and a manual operating member (11) have. Reference numeral 12 is a motor switch for vacuum.

This manual operation member 11 is in the form of a trigger, which is inconvenient for the user to keep pulling with a finger in order to perform continuous injection.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a steam nozzle member for a steam cleaner having a nozzle part which is easy to assemble in a bent handle casing that is easy to clean ergonomically and a multi-type steam cleaner using the same. .

Steam nozzle member for a steam cleaner of the present invention for achieving the above object is a handle consisting of a straight casing, the first bending casing bent upward in the straight casing, the second bending casing bent downward in the first bending casing. Casing; A nozzle unit mounted to the handle casing and opened / closed by a valve; A lever to open the valve; Including but not limited to:

The nozzle portion includes a bent jet pipe attached to the straight casing and the first bent casing, and a jet coupling connected to the jet pipe with the valve attached thereto.

In addition, the multi-type steam cleaner according to another feature of the present invention is attached to the main body equipped with a steam generating boiler, a hose connected to one end of the steam nozzle member, the main body and the steam nozzle member, and the other end of the steam nozzle member The steam nozzle member includes an accessory, wherein the steam nozzle member comprises a straight handle, a first bending casing bent upward in the straight casing, and a second handle casing bent downward in the first bending casing; A nozzle unit mounted to the handle casing and opened / closed by a valve; A lever to open the valve; Consists of,

The nozzle portion comprises a bent jet pipe attached to the straight casing and the first bent casing, and a jet coupling connected to the jet pipe and the hose while the valve is mounted.

According to these constitutions, the bent jet pipe and the nozzle portion of the jet coupling allow the assembly to a bent handle casing that is easy to push and pull ergonomically.

In the above-described configuration, the jet pipe is formed with a circumferential protruding frame and a protruding strip in the longitudinal direction, and the handle casing has a sliding prevention jaw to prevent the protruding frame from being pushed, and a rotation to prevent rotation of the protruding strip. It is preferable that a bump is formed.

In addition, the jet coupling is composed of a hollow tube whose tip is connected to the jet pipe, and a branch pipe branched from the hollow tube and connected to the hose,

The valve includes a valve seat formed on the inner circumferential surface of the hollow tube in front of the branch point, an opening and closing plate for opening and closing the valve seat, a movable shaft at one end of which the opening and closing plate is installed, and a pressing force of the lever at the other end, and the movable It is preferably composed of a spring for urging the shaft toward the lever.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1 is a perspective view of the multi-type vacuum cleaner according to a preferred embodiment of the present invention from the front, Figure 2 is a perspective view of the multi-type vacuum cleaner of FIG. As shown in Fig. 1 and Fig. 2, the multi-type vacuum cleaner according to the present embodiment has a main body 500 equipped with a steam generating boiler (not shown), a steam nozzle member 300, the main body 500 and the steam nozzle. The hose 600 is connected to one end of the member 300 and the accessory 100 is attached to and detached from the other end of the steam nozzle member 300.

As shown in FIGS. 3 and 4, the accessory 100 includes a bottom plate 130 and a cover 110 covering the floor plate 130. In addition, the cover 110 may be provided with a connection pipe 140 detachably connected to the other end of the steam nozzle member 300. In addition, it will be apparent to those skilled in the art that the steam nozzle member 300 may be directly attached or detached to the cover 110 instead of the connection pipe 140.

The bottom plate 130 has a steam jet port 134 and a plurality of velcro attachment and detachment protrusions 120 are integrally formed around the steam jet port 134. A plurality of steam outlets 134 are formed in the passage cover 133 covering the steam distribution passage 132. A steam inlet 131 is formed in the steam distribution passage 132.

As shown in FIG. 5, each of the Velcro attaching and detaching protrusions 120 is a flat surface close to the shape of a snowman when viewed from one surface 120a, and is configured as a three-dimensional surface such as a diamond bond when viewed from the other surface 120b. In addition, each of the Velcro detachable protrusions 120 is arranged in a zigzag form.

The snowman shape (double arrowheads) digs well into the forest-like pad's velcro (aka squeak), but once it's dug it's so strong that it's strong enough for the adult to pull it off. In addition, once the three-dimensional surface is dug in, the contact area with the Velcro can be widened to further improve the adhesion. In addition, the zigzag shape allows the adhesion to be evenly distributed throughout the pad.

By the configuration of the Velcro attachment and detachment protrusion 120, the pad and the detachable and convenient, the adhesive force is very strong, do not peel off during cleaning can be improved cleaning efficiency.

The connection pipe 140 has a lower side installed on the cover 110 and the upper side is detachable by a detachable member 400 at the other end of the steam nozzle member 300. A connection pipe steam outlet 141 is formed at the lower end of the connection pipe 140. The connection pipe steam outlet 141 is connected between the jet portion 330a and the steam inlet 131 of the steam nozzle member 300 described later.

3 and 9, the release member 400, the release button fastening hole 145 formed in the connection pipe 140, the push button 410 to enter and exit the release button fastening hole 145, The push button 410 is composed of a spring 412 for applying an elastic force toward the surface. In addition, the spring 412 is interposed between the spring lower seat 414 and the push button 410 formed in the jet pipe 330, it is possible to maintain a stable support of the spring 412. In addition, for accurate guide of the push button 410, it is preferable to form a guide protrusion 411 in the push button 410, the guide groove 416 in the jet pipe 330. The guide protrusion 411 is prevented from being caught around the through hole 415 of the handle casing 310.

When the connection pipe 140 is inserted into the steam nozzle member 300 by the detachable member 400, the push button 410 is inserted into the release button fastening hole 145. Then, it is combined as shown in Figs. The extension pipe 200 detachably attached in the same manner may be inserted into the middle when cleaning the floor, and the first extension pipe 210 and the second extension pipe 230 may be fitted according to the user. When the extension pipe 200 is removed and the steam nozzle member 300 and the accessory 100 are combined, it becomes a hand grip steam cleaner to clean the wall or the corner.

As such, since the Velcro attachment and detachment protrusion 120 is formed at the bottom of the accessory 100, eliminating the hassle of pinching or flipping the common towel on the tongs and tying it with a general band, Velcro of the pads And the adhesion between the Velcro attachment and detachment protrusion is very excellent, there is no fear of peeling the pad.

3 and 4, the lower side of the connection pipe 140 and the cover 110 are preferably coupled by the hinge member 150. That is, the hinge member 150 may include a hinge part 151 formed in the connection pipe 140, a first guide groove 154a for guiding the hinge part 151, and a first guide groove 154a. The cover 153 is formed with two guide grooves 154b. Hinge 140 is formed to extend perpendicular to the outer peripheral surface of the connecting pipe 140, the first guide groove 154a is formed on both sides of the cover 110 to guide one surface of the hinge portion 151, the cover ( 153 is coupled to the cover 110 to pivot the hinge portion 151.

By the configuration of the hinge member 150, as shown in Figure 8, the inclination angle of the connection pipe 140 can be arbitrarily adjusted according to the user's height (elongation), it is convenient when cleaning the floor. In addition, the inclination angle of the connection pipe 140, for example, during the non-use (storage), as shown in Figure 6 to stand perpendicular to the plane of the bottom plate (hereinafter referred to as 'first fixed position'), or when cleaning the wall surface of Figure 7 If it is placed almost horizontally on the plane of the bottom plate (hereinafter referred to as 'second fixed position'), it can be conveniently used depending on the purpose of use.

In order to reliably determine these fixing positions, it is preferable that the positioning member 160 be installed in the hinge member 150. That is, the positioning member 160 is formed in the fixing protrusion 161, the elastic portion 163 for applying the elastic force toward the second guide groove 154b, and the second guide groove 154b. It is preferable that the fixing groove 165 is configured.

By this positioning member 160, when the fixing projection 161 is caught by the fixing groove 165, it is surely set to the 1st fixed position which is an unused or storage position as shown in FIG. In this case, the first fixed position protrusion 143a formed on the connection pipe 140 may be caught by the first fixed position stopper 143b of the cover 153. In addition, when the fixing projection 165 is caught by the end 166 of the second guide groove 154b, it is securely set at the second fixing position, which is mainly the wall cleaning position, as shown in FIG. Also at this time, it is preferable to provide a second fixed position stopper 169 to which the connecting pipe 140 is engaged.

Therefore, floor cleaning and wall cleaning can be performed with one accessory 100, and the number of parts can be simplified and the process of detaching and removing can be omitted, which is very convenient for cleaning.

In addition, as shown in Figure 4, the hinge portion 151 is composed of a hinge cylinder 151 extending from the outer circumferential surface of the connection pipe 140, the fixing projection 161 is disposed in the hinge cylinder 151 The cutting groove 152 is formed, and the elastic part 163 is accommodated in this hinge cylinder 151, and is comprised. The accommodated elastic portion 163 is implemented by the C-shaped snap ring 163 accommodated elastically deformable inside the hinge cylinder 151 while fixing the fixing protrusion 161, it can be expected excellent elasticity and storage effect. . Thus, since the positioning member 160 has a structure accommodated in the hinge cylinder 151 of the hinge member 150, it is possible to implement a compact accessory.

In addition, as shown in Figure 4, both ends of the hinge cylinder 151 is preferably installed on the support bracket 167 of the lid 110. The support bracket 167 serves to hold the hinge cylinder 151 but also to prevent the snap ring 163 from being separated.

Hereinafter, the structure and operation of the steam nozzle member 300 will be described.

9 is an exploded perspective view of the steam nozzle member according to a preferred embodiment of the present invention, FIG. 10 is a perspective view of the steam nozzle member of FIG. 12 is a perspective view showing the main part of the injection operation of the steam nozzle member, Figures 13 to 15 are side cross-sectional views showing the locking, unlocking, continuous injection lock of the operating lever.

9 and 10, the steam nozzle member 300 may include a handle casing 310, a nozzle part 320 accommodated in the handle casing 310, and a valve mounted on the nozzle part 320. 340, a lever 370 for operating the valve 340, and a lever lock 390 for locking and automatically injecting the lever 370.

As shown in Figs. 12 to 15, the lever 370 includes an arm 371, a hinge shaft 373 formed on the front end side of the arm 371, and a pressing part 375 formed on the rear end side. The protrusion piece 377 is comprised. The front end face 372 of the arm 371 is in contact with the movable shaft 341 of the valve 340, and the pivot shaft 373 is coupled to the lever hinge support bracket 313 of the handle casing 310. The pressing part 375 is an operating plate for turning the arm 371, and is exposed to the outside of the handle casing 310. When the pressing part 375 is pressed, the front end surface 372 pushes the movable shaft 341 forward, and the nozzle part 320 is opened to inject steam.

The lever lock 390 is comprised by the slider 391 which is slidably attached to the handle casing 310, and the locking piece 393 which protrudes from the front-end | tip of the slider 391. As shown in FIG. The locking piece 393 acts in contact with the upper or lower surface of the protruding piece 377. This makes it possible to simply switch between continuous injection in the case of top contact and injection prohibition in the case of bottom contact. In addition, before and after the slider 391, a blade 392 is applied to apply an operating force (unlocking / automatic injection / locking), the blade 392 is slidably arranged along the long hole 312 of the handle casing 310 It is.

That is, as shown in FIG. 15, when the locking piece 393 is located on the upper surface of the protruding piece 377, the front end surface 372 of the arm 371 keeps pushing the movable shaft 341. Done. This is a continuous or automatic injection state, and there is no need to keep pressing the lever 370 with a finger.

On the other hand, as shown in Fig. 13, when the locking piece 393 is located on the lower surface of the protruding piece 377, the tip end surface 372 of the arm 371 is kept in contact with the movable shaft 341. This is a state in which the lever 370 cannot be pressed as the injection prohibition state. At this time, the locking groove 394 is formed on the upper surface of the locking piece 393, the locking projection 377a is preferably formed on the lower surface of the protruding piece 377. This is because the locking projection 377a is caught in the locking groove 394, so that the lever lock 390 can be prevented from being pushed out and pushed back even when the pressing portion 375 is pressed in the lever lock state.

In addition, in order to further prevent the back from being arbitrarily pushed in the locked state for injection prohibition or automatic injection, an elastic plate 395 and a protruding jaw 396 are formed at the rear end of the slider 391, and the handle casing 310 protrudes. It is preferable that the locking jaw 316 is formed to catch the jaw 396.

On the other hand, Figure 14 is the lever lock 390 is released, the manual injection state. That is, as the locking piece 393 and the protruding piece 377 are separated from each other, the user can arbitrarily operate the lever 370. The protruding jaw 396 and the locking jaw 316 in this state function to prevent the lever lock 390 from moving forward arbitrarily.

In this way, the lever lock 390 locks the lever 370 to automatically maintain the open state of the nozzle unit 320, so that it is not necessary to continuously press the finger when continuously spraying steam (automatic spraying). In addition, according to the position of the lever lock 390, it is possible to implement the three functions of the jet ban, manual injection, automatic (continuous) injection.

As shown in FIG. 9, the handle casing 310 is handle casing 310a and 310b divided into left and right, and is bent to a ridge shape that is easy to push and pull ergonomically. At the tip of the bent handle casing 310, the jet portion 330a described later is disposed to be exposed. That is, the handle casing 310 is a straight casing 301 on the same line as the connection pipe 140 and the first bending casing (force distribution function) upward from one end of the casing 301 as shown in FIG. ) 303 and a second bent portion (knob function) 305 facing downward from the first bent portion 303. This shape is ergonomically easy to push and pull.

As illustrated in FIG. 11, the nozzle unit 320 includes a jet pipe 330 having a jet portion 330a formed at a tip thereof, a jet coupling 350, and a valve 340 provided at the jet coupling 350. It consists of.

As shown in FIG. 11, the jet pipe 330 is bent in the straight casing 301 and the first bent casing 303. The bent jet pipe 330 is connected with the jet coupling 350 stored in the first bent casing 303. The jet coupling 350 functions to connect and connect the jet pipe 330 and the hose 600 to each other. Since the jet pipe 330 and the jet coupling 350 are configured to be separated, the assembly to the bent handle casing 310 can be facilitated. The second bending casing 305 may be a space through which the steam flow hose passes. Hose 600 may be largely composed of a steam flow hose for connecting the boiler and the jet pipe 330 of the main body 500, and a flexible protective tube to wrap and protect it.

The jet coupling 350 is composed of a hollow tube 350a whose tip is connected to the jet pipe 330, and a branch tube 350b branched from the hollow tube 350a and connected to the hose 600.

The valve 340 has a valve seat 343 formed on the inner circumferential surface of the hollow tube 350a in front of the branch point 350b, an opening and closing plate 345 for opening and closing the valve seat 343, and an opening and closing plate 345 at one end. And a movable shaft 341 to which the pressing force of the lever 370 is applied at the other end, and a spring 347 for pressing the movable shaft 341 toward the lever 370.

The valve seat 343 functions as a steam discharge port having a through hole formed at the center thereof. The opening and closing plate 345 is fitted to the front end of the movable shaft 341 from the valve seat 343 and then fastened by a washer W and a nut N to be fixed. The movable shaft 341 is slidably arranged in the valve seat 343 and the hollow tube 350a. The spring 347 is preferably interposed between the lower seat 347a provided on the inner wall of the hollow tube 350a behind the branch point and the upper seat 347b formed on the movable shaft 341. The reason why the valve seat 343 is not used as the lower seat is that the steam injected may be disturbed by the spring.

On the other hand, as shown in Figure 11, the jet pipe 330 is formed with a protruding frame 331 in the circumferential direction, and a protruding band 333 in the longitudinal direction. In addition, as illustrated in FIGS. 9 and 13 to 15, the handle casing 310 includes a roll preventing jaw 311 that prevents the sliding (or shaking) of the protruding frame 331 and the rotation of the protruding band 333. It is preferable that the anti-rotation jaw 314 is formed to prevent the vanity. Of course, it is preferable that the protrusion frame 351 and the protrusion band 353 are also formed in the jet coupling 350. In particular, the jet coupling 350 is a place where the steam injection is started, the pressure is relatively greater than other places. Therefore, the protruding frame 351 is preferably fitted into the mounting groove 315. The protruding frame 331 closest to the jet part 330a is also preferably fitted between the tip of the handle casing 310 and the rolling prevention jaw 311. As such, the noise may be prevented and the injection efficiency may be increased through the stable fixing of the nozzle unit 320.

Steam nozzle member for steam cleaner and the multi-type steam cleaner using the same according to the present invention can be carried out by various modifications within the range allowed by the technical idea of the present invention without being limited to the above-described embodiment.

As apparent from the above description, the steam nozzle member for the steam cleaner of the present embodiment and the multi-type steam cleaner using the same have the following effects.

First, a nozzle portion mounted to a bent handle casing comprising a straight casing, a first bending casing bent upward in the straight casing, and a second bending casing bent downward in the first bending casing, wherein the nozzle portion is mounted on the straight casing and the first casing. By constructing a bent jet pipe mounted on a bending casing and a jet coupling connected to the jet pipe with the valve attached, the nozzle portion can be easily assembled to a handle casing that is easy to push and pull ergonomically.

Second, the jet pipe is formed with a circumferential protruding frame, a longitudinal protruding band, and the handle casing is formed with a sliding jaw to prevent the protrusion of the protrusion frame, and a rotation preventing jaw to prevent the rotation of the protrusion strip. By doing so, it is possible to prevent noise and increase the spraying efficiency through stable fixing of the nozzle unit.

Third, the jet coupling is composed of a hollow tube whose tip is connected to the jet pipe, and a branch pipe branched from the hollow tube and connected to the hose, and the valve is formed on the inner circumferential surface of the hollow tube in front of the branch point. A valve seat, an opening / closing plate for opening and closing the valve seat, a movable shaft at one end of which is provided with an opening / closing plate and a spring for pressing the movable shaft toward the lever, and a spring for pressing the movable shaft toward the lever. The configuration can be simplified.

Claims (5)

A handle casing comprising a straight casing, a first bending casing bent upward in the straight casing, and a second bending casing bent downward in the first bending casing; A nozzle unit mounted to the handle casing and opened / closed by a valve; A lever to open the valve; Including but not limited to: And said nozzle portion comprises a bent jet pipe mounted to said straight casing and said first bent casing, and a jet coupling connected to said jet pipe with said valve mounted thereon. The method of claim 1, The jet pipe is formed with a circumferential protruding frame and a protruding band in the longitudinal direction, The steam casing member for the steam cleaner, characterized in that the handle casing prevents the jaw to prevent the rolling of the protruding frame, and the anti-rotation jaw to prevent the rotation of the protruding strip is formed. The method according to claim 1 or 2, The jet coupling is composed of a hollow tube whose tip is connected to the jet pipe, and a branch pipe branched from the hollow tube and connected to the hose. The valve includes a valve seat formed on the inner circumferential surface of the hollow tube in front of the branch point, an opening and closing plate for opening and closing the valve seat, a movable shaft at one end of which the opening and closing plate is installed, and a pressing force of the lever at the other end, and the movable Steam nozzle member for a steam cleaner, characterized in that consisting of a spring for pressing the shaft toward the lever. A main body equipped with a steam generating boiler, a steam nozzle member, a hose connected to one end of the main body and the steam nozzle member, and an accessory detachable from the other end of the steam nozzle member, The steam nozzle member may include a handle casing including a straight casing, a first bending casing bent upward from the straight casing, and a second bending casing bent downward from the first bending casing; A nozzle unit mounted to the handle casing and opened / closed by a valve; A lever to open the valve; Consists of, And the nozzle unit comprises a bent jet pipe mounted to the straight casing and the first bent casing, and a jet coupling connected to the jet pipe and the hose while the valve is mounted. The method of claim 4, wherein The jet pipe is formed with a circumferential protruding frame and a protruding band in the longitudinal direction, The handle casing is formed with a jaw preventing jaw to prevent the protrusion of the protruding frame, the anti-rotation jaw to prevent the rotation of the protruding band, The jet coupling is composed of a hollow tube whose tip is connected to the jet pipe, and a branch pipe branched from the hollow tube and connected to the hose. The valve includes a valve seat formed on the inner circumferential surface of the hollow tube in front of the branch point, an opening and closing plate for opening and closing the valve seat, a movable shaft at which one opening and closing plate is installed and the pressing force of the lever is applied to the other end, and the movable Multi-type steam cleaner, characterized in that consisting of a spring for pressing the shaft toward the lever.

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