CN214906509U - Splicing type mop rod capable of conveying steam and steam mop - Google Patents

Abstract

The utility model discloses a splicing type mop rod and a steam mop capable of conveying steam, which comprises a plurality of sections of pipe bodies, wherein each section of pipe body comprises an outer pipe body and an intermediate pipe fitting with a steam pipeline, and the intermediate pipe fitting is assembled in the outer pipe body; when the adjacent body splices, the outer body of first body and the outer body butt joint of second body, the middle pipe fitting of first body and the middle pipe fitting butt joint of second body, the outer body butt joint of adjacent body plays the support connection effect, and the intercommunication of steam conduit is realized in the butt joint of middle pipe fitting, is convenient for through the processing, the assembly and the accomodating of multistage body concatenation tow bar like this.

Description

Splicing type mop rod capable of conveying steam and steam mop

Technical Field

The utility model relates to a steam cleaning equipment especially relates to a concatenation formula tow bar of steam mop.

Background

Steam cleaning equipment, such as steam mop, sprays steam onto the mop cloth of mop, has better cleaning performance than traditional mop to ground such as ceramic tile.

Application publication No. CN106880327A discloses a steam mop comprising a handle and a foot coupled to the handle for movement along a surface to be cleaned, a cleaning pad mountable to a lower surface of the foot and positioned to contact the surface to be cleaned.

A steam mop of publication number CN201208239Y, which comprises a hollow tubular mop rod; CN107280601A steam mop, comprising a mop handle. The mop rod of the steam mop is of an integral-section structure, and the inner pipe body with the vent holes needs to be arranged in the pipe body, so that the machining and assembling difficulty is increased by the integral-section outer pipe body and the inner pipe body, and the inconvenience in storage and transportation can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a concatenation formula tow bar that can carry steam is provided, further provide the steam mop that has above-mentioned concatenation formula tow bar.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the spliced towing rod capable of conveying steam comprises a plurality of sections of pipe bodies, wherein each section of pipe body comprises an outer pipe body and a middle pipe fitting with a steam pipeline, and the middle pipe fitting is assembled in the outer pipe body; when the adjacent pipe bodies are spliced, the outer pipe body of the first pipe body is in butt joint with the outer pipe body of the second pipe body, and the middle pipe fitting of the first pipe body is in butt joint with the middle pipe fitting of the second pipe body.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the outer pipe body comprises a small-caliber section and a large-caliber section, and the rear end of the middle pipe fitting is away from the rear end face of the large-caliber section to form a rear insertion cavity for the small-caliber section to be inserted into.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the middle pipe fitting comprises a connecting joint at the front section, a pipe middle section and a connecting seat at the rear section, wherein the connecting seat is provided with a connecting groove matched with the connecting joint, and the connecting joint extends out of the front end surface of the outer pipe body.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the small-caliber section is provided with a positioning piece capable of moving radially, and the rear insertion cavity of the large-caliber section is provided with a positioning groove matched with the positioning piece.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the connecting joint is sleeved with at least one sealing ring, and the outer wall of the sealing ring is used for contacting the inner wall of the connecting groove.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the outer wall of the small-caliber section of the outer pipe body is provided with a guide convex rib extending along the length direction of the outer pipe body, and the inner wall of the rear insertion cavity is provided with a guide groove matched with the guide convex rib.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the middle pipe fitting is of a two-section splicing structure.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the outer side of the middle pipe fitting is distributed with a plurality of radial supporting pieces, and the radial supporting pieces are supported on the inner wall of the outer pipe body.

The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: a limiting structure is arranged between the radial support member and the inner wall of the outer pipe body, and the limiting structure is used for limiting the movement of the middle pipe body relative to the outer pipe body.

The utility model discloses another protection topic does: the steam mop comprises a mopping assembly, a main machine for generating steam and a splicing mop rod capable of delivering the steam, wherein the splicing mop rod is connected between the main machine and the mopping assembly so as to deliver the steam generated by the main machine to the mopping assembly.

Compared with the prior art, the utility model has the advantages that every section body includes outer body and the middle pipe fitting that has steam conduit, and the outer body butt joint of adjacent body plays the support connection effect, and the intercommunication of steam conduit is realized in the butt joint of middle pipe fitting, and the processing, the assembly and the accomodating of the tow bar of being convenient for through the concatenation of multistage body like this.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a first schematic view of a multi-purpose cleaning apparatus according to a preferred embodiment of the present invention in a first mode of use;

FIG. 2 is a schematic view of a first mode of use of the multi-purpose cleaning apparatus of a preferred embodiment of the present invention;

FIG. 3 is a first exploded view of a main unit of a multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 4 is a second exploded view of the main unit of the multipurpose cleaning device in accordance with a preferred embodiment of the present invention;

FIG. 5 is a third exploded view of the main unit of the multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 6 is an internal structure view of a main body of the multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 7 is an exploded view of the water tank of the multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 8 is a schematic top view of a tank of the multipurpose cleaning apparatus of a preferred embodiment of the present invention;

FIG. 9 is a first schematic view of a pressure relief valve of a multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 10 is a second schematic view of a pressure relief valve of a multi-purpose cleaning apparatus according to a preferred embodiment of the present invention;

fig. 11 is a schematic cross-sectional view taken along line a-a of fig. 10 in accordance with a preferred embodiment of the present invention;

FIG. 12 is a schematic view of a mopping assembly of the multipurpose cleaning apparatus of a preferred embodiment of the present invention;

FIG. 13 is a first schematic view of a mopping stand of a multipurpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 14 is a second view of the mopping frame of the multi-purpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 15 is a third schematic view of a mopping stand of the multi-purpose cleaning apparatus according to a preferred embodiment of the present invention;

FIG. 16 is a first schematic view of a wand housing of a multi-purpose cleaning appliance in accordance with a preferred embodiment of the present invention;

FIG. 17 is a second schematic view of the wand housing of the multi-purpose cleaning appliance in accordance with a preferred embodiment of the present invention;

FIG. 18 is a third schematic view of the wand body of the multi-purpose cleaning appliance in accordance with a preferred embodiment of the present invention;

FIG. 19 is an exploded view of the wand body of the multipurpose cleaning appliance of a preferred embodiment of the invention;

FIG. 20 is a schematic view of a hand-held air delivery conduit of a multi-purpose cleaning appliance in accordance with a preferred embodiment of the present invention.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-5 and 20, the multipurpose cleaning device is characterized by comprising a main machine 100 for generating steam, a mop rod 200 with a steam pipeline arranged therein, a mopping assembly 300 for cleaning the floor to be cleaned and at least one hand-held gas pipeline 400 with a steam nozzle arranged at the front end; the main body 100 is provided with a hand-held portion 101 and a connection head 102 for injecting steam.

As shown in fig. 1-2, in the first use mode, the connector 102 of the main unit 100 is connected to the upper end of the towing bar 200, the lower end of the towing bar 200 is connected to the mopping assembly 300, and steam generated by the main unit 100 is supplied to the mopping assembly 300 through the steam pipe of the towing bar 200.

Preferably, the lower end of the tow bar 200 is detachably connected with the floor assembly 300, thereby facilitating the storage of the floor assembly 300 and the tow bar 200.

As shown in fig. 20, in the second usage mode, the connector 102 of the main unit 100 is connected to the hand-held air pipe 400, and the steam generated by the main unit provides steam to the hand-held air pipe 400 and sprays the steam to the object to be cleaned through the steam nozzle to form a steam cleaning device. This facilitates the cleaning of kitchens, toilets or other heavy oil and heavy dirty places by users.

In practice, when the connecting head 102 of the main body 100 connects the mop rod 200 and the floor assembly 300, the multipurpose cleaning apparatus forms a steam mop for cleaning the floor, and the main body 100 becomes the cleaning main body 100.

When the hand-held air pipeline 400 connected with the connector 102 of the main unit 100 is a hanging ironing accessory with a hanging ironing head, the multi-purpose cleaning device becomes a steam hanging ironing machine, and the main unit 100 becomes the hanging ironing main unit 100.

As shown in fig. 3-6, the main body 100 includes a housing 103, a water tank 104, a heating boiler 105, and a water pump 106, the heating boiler 105 and the water pump 106 are disposed in the housing 103, the water tank 104 is detachably disposed on the housing 103, the water pump 106 delivers water in the water tank 104 to the heating boiler 105 to generate steam, and the heating boiler 105 is a steam generator to generate steam and deliver the steam to the connector 102. The steam is then conveyed through the connector 102 into the steam line of the wand or into the hand-held gas line.

As shown in fig. 7 to 8, as a preferable mode of the water supply system for supplying liquid water to the heating boiler, in the present embodiment, a flexible water guide pipe 1 for interfacing with a water pump 106 is provided in the water tank 104. The water outlet end of the flexible water guide pipe 1 is in butt joint with the water outlet 2 communicated with the inner cavity of the water tank 104, and the water inlet end of the flexible water guide pipe 1 is positioned in the inner cavity of the water tank 104, so that water in the water tank 104 is conveyed to the water pump 106.

However, in other usage scenarios or modes, the posture of the main body 100 may change at any time, so that the water level in the water tank 104 may also change accordingly. In order to utilize the water in the water tank 104 to the maximum extent, the water inlet end of the flexible water guiding pipe 1 is always at a low level. In this embodiment, a water inlet end of the flexible water guiding pipe 1 is provided with a counterweight 3, and the counterweight 3 drives the water inlet end of the water guiding pipe to be at a water level of the water tank 104.

As an alternative of the material, the flexible water conduit 1 in this embodiment is a rubber tube. Preferably, the counterweight 3 is a metal or plastic part. Stainless steel members which are less prone to rust and have a high density are preferably used.

In addition, preferably, a water inlet hole communicated with the flexible water guiding pipe 1 is formed in the counterweight 3, and at least a part of the counterweight 3 is inserted into the water inlet end of the flexible water guiding pipe 1 to realize connection.

Further preferably, the weight 3 includes a connection part 31 inserted into the flexible water introduction pipe 1 and a ball 32 outside the first connection pipe, and a water inlet hole is disposed to penetrate the ball 32 and the connection part 31. The spherical structure is adopted, so that the friction between the counterweight 3 and the inner cavity of the water tank 104 is small, and the flexible water guide pipe 1 can move more flexibly and smoothly.

As shown in fig. 3-4, a recess K for accommodating the water tank 104 is formed on one side of the housing 103 of the main body 100, and a hand-held portion 101 is formed on the opposite side of the housing 103 of the main body 100 away from the water tank 104. This facilitates not only hand-held operation but also installation of the water tank 104.

Preferably, the inner cavity of the water tank 104 is long waist-shaped, and the length of the water guide pipe 1 is slightly larger than or equal to the length of the inner cavity of the water tank 104.

It is further preferred that the recess K of the housing 103 comprises a top surface 5 matching the top wall 4 of the water tank 104 and a side surface 7 matching the peripheral side wall 6 of the water tank 104.

The delivery port 2 of water tank 104 sets up in the roof 4 of water tank 104, and the top surface 5 of recess K is equipped with the cavity spliced pole 21 that matches with the delivery port 2 of water tank 104, and cavity spliced pole 21 butt joint delivery port 2 is in order to connect the water route.

And, the top surface 5 of recess K still is equipped with reference column 8, and the roof 4 of water tank 104 is equipped with the locating hole 9 that matches with reference column 8, and reference column 8 inserts locating hole 9 and makes location between the two.

In addition, the top surface of the recess K and the top wall 4 of the water tank 104 are provided with a locking mechanism, the locking mechanism comprises a bolt 10 located on the recess K and controlled by a button N and a latch hook 11 located on the water tank 104, and the button N controls the engagement and disengagement of the bolt 10 and the latch hook 11 to realize the fixing and separation between the water tank 104 and the housing 103 of the main unit 100.

Preferably, the circumferential side wall of the water tank 104 is provided with a longitudinal guide groove 12, and the side surface of the groove K is provided with a longitudinal guide rib 13, and when the water tank 104 is inserted into the groove K, the longitudinal guide rib 13 is inserted into the longitudinal guide groove 12 to perform a guiding and positioning function.

Further preferably, the water tank 104 is further provided with a water filling port 14, and a user can supply the liquid water in the water tank 104 through the water filling port 14. A rubber valve 15 which is convenient to lift is arranged at the water filling opening 14, and a user can open the rubber valve 15 and then add water into the water tank 104 from the water filling opening 14.

In this embodiment, the filler 14 is located on the tank top wall, so that the appearance is more beautiful, and the sealing effect of the rubber valve 15 on the filler 14 is enhanced by the extrusion of the top surface of the groove K to the rubber valve 15.

In addition, the water supply system further comprises a water delivery pipe 107, the water delivery pipe 107 is connected with the water pump 106 and the heating boiler, and the water pump 106 supplies water to the heating boiler through the water delivery pipe 107.

As shown in fig. 9 to 11, in order to ensure safe use, in this embodiment, the housing 103 of the main unit 100 further includes a pressure relief valve 108, and the pressure relief valve 108 is disposed between the water pump 106 and the heating boiler 105; when the pressure of the heating boiler 105 exceeds a threshold value, the steam inside the heating boiler 105 is released through the pressure relief valve 108.

Specifically, the pressure release valve 108 includes a water inlet 81, a water outlet 82, and a pressure release end 83, the water pump 106 is communicated with the water inlet, the water outlet is communicated with the heating boiler 105, a pressure controllable plug 84 is disposed in the pressure release end, and when the steam pressure in the heating boiler 105 is too high, the steam can be discharged through the pressure release end.

And, the plug 84 is sleeved with a spring 85, under normal pressure, the plug blocks the pressure relief end at the spring, and when the pressure exceeds a threshold value, steam pressure overcomes the spring to push the plug open so as to enable the pressure relief end to be smooth.

As shown in the drawing, the casing 103 of the main unit 100 is provided with a discharge hole S for discharging steam from the pressure release valve 108.

A specific implementation of the towing pole 200 is also provided in this embodiment. This is explained in detail below with reference to fig. 12 and 16 to 19.

As shown in fig. 19, the mop rod 200 is a spliced mop rod 200 capable of transporting steam, and includes a plurality of sections of pipe bodies 20 that can be spliced with each other, each section of pipe body 20 includes an outer pipe body 201 and an intermediate pipe member 202 having a steam pipeline, the intermediate pipe member 202 is assembled in the outer pipe body 201, and the center of the intermediate pipe member 202 is provided with a vent hole to form the steam pipeline.

When the adjacent tubes 20 are spliced, the outer tube of the first tube is butted with the outer tube of the second tube, and the middle tube of the first tube is butted with the middle tube of the second tube.

As shown in fig. 16-18, the outer tube body 201 includes a small caliber section 16 and a large caliber section 17, and the rear end of the middle tube member 202 is spaced from the rear end surface of the large caliber section 17 to form a rear insertion cavity C for inserting the small caliber section 16. The small-caliber section 16 is provided with a positioning piece M capable of moving radially, and the rear insertion cavity C of the large-caliber section 17 is provided with a positioning groove R matched with the positioning piece. When the two tube bodies 20 are butted with each other, the positioning member M is engaged with the positioning groove R, so that the tube bodies 20 are positioned and fastened.

Preferably, the outer wall of the small-caliber section 16 of the outer tube 201 is provided with a guiding rib 18 extending along the length direction of the outer tube 201, and the inner wall of the rear insertion cavity C is provided with a guiding groove 19 matched with the guiding rib 18. The cooperation of the guide ribs 18 and the guide grooves 19 allows the user to accurately perform the abutment between the tube body 20 and the tube body 20.

In addition, as shown in fig. 19, the middle tube 202 includes a front connection joint 202a, a middle tube section 202b and a rear connection joint 202c, the connection joint is provided with a connection groove F matching with the connection joint 202a, and the connection joint extends out of the front end surface of the outer tube 201.

Preferably, the connection joint 202a is sleeved with at least one sealing ring P, and the outer wall of the sealing ring is used for contacting the inner wall of the connection groove.

Further preferably, in this embodiment, the intermediate pipe 202 is a two-segment splicing structure for convenience of assembly and production. The two middle pipe fittings are inserted and communicated with each other through the vent holes, and a sealing component sealed with the outside is arranged.

Furthermore, a plurality of radial supports 22 are distributed on the outer side of the middle pipe member 202, and the radial supports 22 are supported on the inner wall of the outer pipe body 201. A restriction structure E is provided between the radial support 22 and the inner wall of the outer tube 201 to restrict the movement of the intermediate tube 20 relative to the outer tube 201.

As shown in fig. 13-15, a specific embodiment of a floor mopping assembly 300 is also provided in this embodiment. The mopping assembly 300 includes a mopping frame 301 and a mopping cloth covering the bottom surface of the mopping frame 301.

Preferably, the outer circumference of the front end surface of the mopping frame 301 is provided with a plurality of adhesive members 303, and the inner surface of the mopping cloth is adhered to the adhesive members 303. It is further preferable that the mopping frame 301 is provided with adhesive members 303 at four corners.

An air inlet hole W is formed in the center of the mopping frame 301, and a plurality of air guide area units D which are diffused outwards from the air inlet hole W are arranged on the bottom surface of the mopping frame 301 and are used for diffusing steam entering from the air inlet hole W to at least most of the inner surface of the mopping cloth.

As shown in fig. 13 to 14, the mopping frame 301 includes a panel 301a and a peripheral wall 301b, the inner surface of the panel 301a of the mopping frame 301 is provided with a plurality of guiding ribs 40 extending from the air inlet hole direction to the peripheral wall 301b, and an air guiding area unit D is formed between adjacent guiding ribs. The air guiding area can be used for guiding the air to diffuse towards the circumferential direction of the mopping frame 301 and conveying the air to the mopping ground fabric, so that the effect of wetting the mopping ground fabric is achieved. Also can deliver steam to the bottom surface by mopping the floor cloth, thereby playing a role of disinfection.

Further, the guide rib 40 is integrally formed with the panel 301a, and the guide rib 40 reinforces the supporting strength of the panel 301a, and simultaneously, the guide rib also plays a supporting role for the mopping cloth.

Preferably, the periphery of the air intake hole is provided with an annular coupling portion 50, the inner end of the guide rib 40 is connected with the annular coupling portion 50, and the annular coupling portion 50 is provided with a plurality of vent grooves H.

Further optimally, the level of the inner surface of the mopping frame 301 is gradually reduced from the middle to the outer side to form a steam accumulation effect on the inner surface of the mopping frame 301.

As shown in fig. 13, as a more preferable embodiment, at least one of the sidewalls of the mop frame 301 has a plurality of vents 60 corresponding to the air guiding area units, and the vents are used for releasing pressure to facilitate the diffusion of the air flow on the inner surface of the mop frame 301, so that the steam is not easily blocked by the mop cloth, and the potential safety hazard caused by the over-high air pressure in the air paths of the mop rod 200 and the mop assembly 300 is prevented.

As shown in fig. 15, a connecting pipe assembly 304 connected to the towing bar 200 is coupled to an upper portion of the floor frame 301, and an air pipe communicating with the air intake hole W is provided in the connecting pipe assembly 304.

The first connecting pipe assembly 304 comprises a rotating base 70 connected to the mopping frame 301 in a shaft mode and a first connecting pipe 80 connected to the rotating base 70 in a shaft mode, an intermediate pipe member 202 of an air conveying pipeline is arranged in the first connecting pipe, a hose assembly is connected between the air conveying pipeline in the intermediate pipe member 202 and the air inlet hole, and the hose assembly penetrates through the rotating base 70.

As shown in fig. 20, the hand-held air line 400 of the present embodiment includes a hose assembly 41 that can be bent to change the orientation of the steam nozzle,

a first end of the hose assembly 41 is provided with a steam input end connected to the main unit 100, and a second end of the hose assembly 41 is provided with a steam nozzle for spraying steam outwardly.

The hose assembly 41 includes a hose and a flexible sheath, the sheath is sleeved outside the hose, the steam input end is connected to the first end of the hose, and the steam nozzle is connected to the second end of the hose.

The first end of the hose assembly 41 is provided with a second connecting pipe 92, and the second connecting pipe 92 is sleeved on the connecting head 102 of the main body 100. The second connection pipe 92 is provided with a locking member to be coupled with the connector of the main body 100.

The second end of the hose assembly 41 is provided with a tubular hand piece 93 that fits over the outside of the hose assembly 41, and a steam nozzle is located at the rear end of the tubular hand piece 93.

The front side of the tubular handheld portion 93 is provided with a first protruding limiting portion 93a, and the rear side of the tubular handheld portion 93 is provided with a second protruding limiting portion 93 b.

The protective sleeve comprises a rubber tube and metal wires which are coated by the rubber tube and distributed spirally, and the metal wires form a spiral protruding structure on the outer surface of the rubber tube.

The steam nozzle of the hand-held air pipeline 400 is provided with a wiping part 42 which can absorb steam. The user can wipe the cleaning surface with the wiping member while spraying steam to enhance the cleaning effect.

The wiping member 42 includes a hollow connection pipe 42a, a mounting plate 42b and a sponge wiping part 42c, the steam nozzle is inserted into the hollow connection pipe 42a, the mounting plate 42b is integrally formed at the front end of the hollow connection pipe 42a, and the sponge wiping part 42c is mounted at the front side of the mounting plate 42 b.

It is right above the utility model provides a can carry concatenation formula tow bar and steam mop of steam to introduce in detail, it is right to have used specific individual example herein the utility model discloses a principle and implementation mode are elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The spliced towing rod capable of conveying steam is characterized by comprising a plurality of sections of pipe bodies, wherein each section of pipe body comprises an outer pipe body and a middle pipe fitting with a steam pipeline, and the middle pipe fitting is assembled in the outer pipe body; when the adjacent pipe bodies are spliced, the outer pipe body of the first pipe body is in butt joint with the outer pipe body of the second pipe body, and the middle pipe fitting of the first pipe body is in butt joint with the middle pipe fitting of the second pipe body.

2. The spliced tow bar according to claim 1 wherein the outer tubular body comprises a small diameter section and a large diameter section, and the rear end of the intermediate tubular member is spaced from the rear end face of the large diameter section to define a rear insertion cavity for the small diameter section to be inserted into.

3. The spliced type mop rod capable of conveying steam as claimed in claim 2, wherein the middle pipe fitting comprises a front section connecting joint, a middle pipe section connecting joint and a rear section connecting joint, the connecting joint is provided with a connecting groove matched with the connecting joint, and the connecting joint extends out of the front end surface of the outer pipe body.

4. The spliced towing rod capable of conveying steam as claimed in claim 2, wherein the small-diameter section is provided with a positioning member capable of moving radially, and the rear insertion cavity of the large-diameter section is provided with a positioning groove matched with the positioning member.

5. The spliced mop rod capable of conveying steam as claimed in claim 3, wherein the connecting joint is sleeved with at least one sealing ring, and the outer wall of the sealing ring is used for contacting the inner wall of the connecting groove.

6. The spliced towing rod capable of conveying steam as claimed in claim 2, wherein the outer wall of the small-caliber section of the outer pipe body is provided with a guide rib extending along the length direction of the outer pipe body, and the inner wall of the rear insertion cavity is provided with a guide groove matched with the guide rib.

7. The spliced tow bar according to claim 1 wherein the intermediate tubular member is a two-piece splice.

8. The spliced towbar of claim 3 wherein a plurality of radial support members are disposed on the outside of the intermediate tubular member, said radial support members being supported on the inner wall of the outer tubular member.

9. The spliced towbar of claim 8 wherein the radial supports are spaced from the inner wall of the outer body by a restriction to restrict movement of the intermediate body relative to the outer body.

10. A steam mop comprising a mop assembly, a steam generating main unit and a steam transportable, spliced mop bar as claimed in any one of claims 1 to 9, said spliced mop bar being connected between said main unit and said mop assembly for transporting steam generated by the main unit to said mop assembly.

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