CN211883659U

CN211883659U - 7-shaped rolling type mop

Info

Publication number: CN211883659U
Application number: CN201922472380.XU
Authority: CN
Inventors: 许刚; 许红峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-10
Anticipated expiration: 2029-12-31

Abstract

The 7-shaped rolling type mop comprises a mop rod, a mop head arranged at the lower end of the mop rod and a pull rope, wherein the mop rod is hollow and comprises a straight rod and a cross rod, one end of the straight rod is communicated with one end of the cross rod to form a 7 shape, the pull rope is arranged in the mop rod, and two ends of the pull rope are respectively positioned in the straight rod and the cross rod; the mop head comprises a strip-shaped elastic cleaning body, a first clamping piece and a movable shaft, two walls of the cross rod are provided with through slots, the elastic cleaning body is provided with mounting holes along the length direction and is sleeved on the cross rod through the mounting holes; the movable shaft is arranged along the radial direction of the first clamping piece, the first clamping piece is sleeved at the other end of the cross rod, and the movable shaft can slide in the slot opening; one end of the pull rope is positioned in the cross rod and fixed on the movable shaft, and the other end of the pull rope extends outwards from the straight rod. The pull rope is pulled to drive the movable shaft and the first clamping piece to move towards the communication position of the straight rod and the cross rod, the elastic cleaning body is compressed, water is squeezed out, and dehydration is completed without a special mop barrel or a mop head is cleaned without direct contact.

Description

7-shaped rolling type mop

Technical Field

The utility model belongs to the technical field of daily necessities, concretely relates to 7 font roll formula mop.

Background

At present, the mop which is popular in the market and used in families and public places has various varieties and styles: the mop has various brand structures such as a god-dragging and scraping barrel, a flat plate structure, a round structure, a straight-line structure, a detachable structure and the like, and mop materials such as collodion, sponge, cloth strips, yarn strips and the like are different. However, most of the mops need to be provided with a special mop bucket due to the requirements of washing, decontamination and dehydration, but the adoption of the special mop bucket has the defects of large volume, increased production materials, high packaging and transportation cost and the like; the other type of straight mop saves labor and is fast to mop due to the wide width, but the width of the other type of straight mop is wide, so that the other type of straight mop is not provided with a special mop bucket for washing and dewatering, a user needs to disassemble the mop cloth and then wash and wring hands, the hands directly contact with the mop head for washing, the cleaning and wringing of the user are not facilitated, and the use convenience is poor.

In addition, due to the existence of accessories such as a mop bucket and the like, the price of the mop is high, ranging from dozens of yuan to hundreds of yuan, and is far from each other according to different brands, materials, attractiveness and practicability. And wring out through the hand and directly be unfavorable for user operation again with sewage contact, reduced the convenience of using.

Accordingly, there is a need for improvements in conventional mop construction.

Disclosure of Invention

The utility model aims at solving the problem that the existing mop needs to be equipped with a special mop bucket to cause higher cost or manually and directly clean and wring out the mop head, which needs larger force to be unfavorable for hand hygiene and the like, and providing a drum-type mop without the special mop bucket and the mop head is cleaned by direct contact of a user.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

the 7-shaped rolling type mop comprises a mop rod, a mop head arranged at the lower end of the mop rod and a pull rope, wherein the mop rod is hollow and comprises a straight rod and a cross rod, one end of the straight rod is communicated with one end of the cross rod to form a 7 shape, the pull rope is arranged in the mop rod, and two ends of the pull rope are respectively positioned in the straight rod and the cross rod; the mop head comprises a strip-shaped elastic cleaning body, a first clamping piece and a movable shaft, two walls of the cross rod are provided with through slots, the elastic cleaning body is provided with mounting holes along the length direction and is sleeved on the cross rod through the mounting holes; the movable shaft is arranged along the radial direction of the first clamping piece, the first clamping piece is sleeved at the other end of the cross rod, and the movable shaft can slide in the slot opening; one end of the pull rope is positioned in the cross rod and fixed on the movable shaft, and the other end of the pull rope extends outwards from the straight rod.

When the mop head needs to be dewatered after being used for mopping, the pull rope stretching out of the outer side of the straight rod is pulled, no matter the pull rope stretching out of the upper end part or the side wall of the straight rod drives the movable shaft and the first clamping piece to move towards the communication position of the straight rod and the cross rod, so that the elastic cleaning body is compressed, water is extruded out, and dewatering is completed.

Further, the aperture of the installation hole of the elastic cleaning body is larger than the outer diameter of the cross rod. Because the aperture of the mounting hole of the mop is larger than the outer diameter of the cross rod, when the mop is used, a user pushes and pulls the mop, the elastic cleaning body can easily rotate around the cross rod and can roll on the ground like a roller to mop the ground, and the abrasion between the elastic cleaning body and the surface of the cross rod when the elastic cleaning body rolls is reduced.

Further, the straight rod comprises an upper rod, a lower rod and an inclined rod, and two ends of the inclined rod are respectively connected with the lower end of the lower rod and one end of the cross rod; the upper rod is sleeved with the upper end of the lower rod and can slide up and down.

Furthermore, the straight rod further comprises an upper handle and a nut sleeve, wherein the outer surface of the lower end of the upper handle is provided with threads, a plurality of openings are uniformly formed in the outer surface of the lower end of the upper handle, the upper end of the upper handle is tightly matched with the lower end of the upper rod, the lower end of the upper handle is sleeved on the lower rod, and the nut sleeve is matched with the threads to fix the upper handle and the lower rod.

Furthermore, the nut sleeve further comprises a lower handle which is arranged on the lower rod below the nut sleeve.

Furthermore, the pulley pipe also comprises a pulley and a pipe plug, wherein the pipe plug is provided with two through holes penetrating through the upper surface and the lower surface; the pull ropes comprise a first pull rope and a second pull rope, and two ends of the first pull rope in the lower rod are respectively and fixedly connected with the pulley yoke and the movable shaft which are provided with the pulleys; one end of the second pull rope is fixed on one through hole in the pipe plug in the upper rod or the lower rod, and the other end of the second pull rope is downwards wound on the pulley, then penetrates through the other through hole in the pipe plug in the lower rod and the upper rod and is fixed on the pipe plug at the end head of the upper end part of the upper rod.

When the soft mop head needs to be dewatered, the lower section (lower rod) of the mop rod is pinched by one hand, the upper section (upper rod) of the mop rod is pinched by the other hand to be pulled upwards, the first clamping piece is pulled by the rope to compress the mop head, and the moisture contained in the mop head can be squeezed out. The travel of the pull rope is equal to the compression travel of the mop head.

Further, the diameter of the cross rod is smaller than that of the straight rod; or the handle is sleeved at the upper end of the straight rod.

Further, the elastic cleaning body is made of collodion or sponge or other materials.

Furthermore, the periphery of the elastic cleaning body can be wrapped with rags with stronger dirt-removing capacity, or not wrapped with the rags.

Furthermore, the elastic sponge body extrusion device further comprises a second clamping piece, wherein a through hole is formed in the middle of the second clamping piece, the second clamping piece is sleeved on the cross rod through the through hole and located close to the straight rod side, and the second clamping piece and the first clamping piece are matched to extrude the two sides of the elastic sponge body under the action of the pull rope.

Furthermore, a movable handle is sleeved on the straight rod and is in sliding connection with the straight rod, and the other end of the pull rope extends outwards from the side wall of the straight rod and is fixed on the movable handle.

Compared with the prior art, the utility model, beneficial effect is:

1. the mop has simple structure, less manufacturing procedures, low material cost and more space-saving packaging and transportation, so that the purchase price of a user is lower, the use is convenient and quick, and the mop is beneficial to the sustainable development of the livelihood and resources;

2. when the mop is used for mopping, the elastic cleaning body can rotate around the cross bar like a roller, and compared with the traditional mop which can only mop the lower surface, the elastic cleaning body can adsorb stains and remove stains, has wider use area, and is interesting when being used for mopping in a sanitary way;

3. the mop can achieve the purposes of decontamination, washing and dehydration without a mop bucket, has very simple and easy operation, can achieve the purposes of washing and dehydration only by pinching the pull rope on the mop rod and pulling the pull rope upwards, has good water absorption, and is light and clean in mopping.

Drawings

FIG. 1 is a schematic view showing one construction of a drum mop;

FIG. 2 is a schematic view of a second structure of the roller-type mop;

FIG. 3 is a schematic view of the roller-type mop of FIG. 2 in a compressed state;

FIG. 4 is a third schematic view of the roller-type mop;

fig. 5 is a schematic view illustrating a compressed state of the drum-type mop of fig. 4.

In the figure: the cleaning device comprises a straight rod 1, an upper rod 101, a lower rod 102, a diagonal rod 103, a cross rod 2, a slot 3, an elastic cleaning body 4, a mounting hole 5, a first clamping piece 6, a second clamping piece 61, a movable shaft 7, a pull rope 8, a first pull rope 81, a second pull rope 82, a pulley 9, a first pipe plug 10, an upper handle 11, a lower handle 12, a nut sleeve 13, a second pipe plug 14, a handle 15, a movable handle 16 and an end pipe plug 17.

Detailed Description

The technical scheme of the invention is further described and illustrated by specific embodiments below, so that the technical scheme is clearer and more obvious. Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Example 1

Like 1, this embodiment discloses a 7 font roll formula mop, has included the mop pole of compriseing straight-bar 1, horizontal pole 2, locate mop head on horizontal pole 2, stay cord 8, and the mop pole is inside hollow, straight-bar 1 lower extreme and horizontal pole 2 left end intercommunication. The mop head comprises a strip-shaped elastic cleaning body 4, a first clamping piece 6 and a movable shaft 7, wherein the first clamping piece 6 is arranged on the right side of the cross rod 2. The mop head comprises a strip-shaped elastic cleaning body 4, a first clamping piece 6 and a movable shaft 7, two symmetrical walls of the cross rod 2 are provided with through slots 3, the elastic cleaning body 4 is provided with mounting holes 5 along the length direction and is sleeved on the cross rod 2 through the mounting holes 5, and the aperture of the mounting holes 5 is larger than the outer diameter of the cross rod 2; the movable shaft 7 is installed along the radial direction of the first clamping piece 6, the other end of the cross rod 2 is sleeved with the first clamping piece 6, a hole is formed in the center of the first clamping piece, the cross rod is sleeved with the hole, the movable shaft 7 can slide in the slot 3, namely, the movable shaft vertically penetrates through the center of the clamping piece and also penetrates through the slot opening, one end of the pull rope 8 extends out of the upper end of the straight rod 1, and the other end of the pull rope 8 in the cross rod 2 is bound with the movable shaft 7.

When the elastic cleaning body 4 needs to be dewatered in use and cleaning, the pull rope 8 at the top of the straight rod 1 is pulled to drive the movable shaft 7 and the first clamping piece 6 to move leftwards, the elastic cleaning body 4 is compressed (in a state shown in figure 1), water is extruded out, and dewatering is finished; by releasing the pull cord 8, the elastic cleaning body 4 returns to its original shape by its own elastic force, i.e., to a strip-like uncompressed state.

As a preferred embodiment, a pulley 9 may be disposed inside the straight rod 1, and the first rope 8 may be wound around the pulley 9. Through the pulley setting, in the process of pulling up or pulling down, the pulley 9 rolls upwards or downwards on the inner wall of the straight rod, the friction between the pull rope and the inner wall of the straight rod is reduced, the abrasion is reduced, and the service life of the first pull rope 8 is prolonged.

As a preferred embodiment, the left side of the elastic cleaning body 4 is also provided with a second clamping piece 61, a hole is formed in the center of the second clamping piece, the cross rod is sleeved with the second clamping piece through the hole, one side of the second clamping piece 61 is limited by the straight rod, and the second clamping piece is matched with the first clamping piece 6 to extrude the elastic cleaning body 4 in the middle to realize dehydration.

Example 2

Different from the embodiment 1, as shown in fig. 2-3, the pull rope 8 extends from the side wall of the straight rod 1, when the moisture on the mop head needs to be wrung, the user can pull the pull rope 8 upwards from the side surface of the mop, and the elastic cleaning body 4 on the cross bar can be compressed to the left side.

In a preferred embodiment, a movable handle 16 is sleeved on the straight rod 1, the movable handle 16 is connected with the straight rod 1 in a sliding manner, and the other end of the pull rope 8 is fixed on the movable handle 16. The purpose of dewatering is realized by pulling the wrench upwards to drive the pull rope to pull the movable shaft leftwards so as to compress the elastic cleaning body of the mop head.

The straight rod 1 of the present embodiment may be a telescopic rod. The implementation mode of the telescopic rod structure is that the straight rod 1 comprises an upper rod 101, a lower rod 102 and an inclined rod 103, wherein two ends of the inclined rod 103 are respectively connected with the lower end of the lower rod 102 and one end of a cross rod 2 to form an inverted '7' -shape; the upper rod 101 is sleeved on the lower rod 102 and can slide up and down.

The straight rod 1 further comprises an upper handle 11 and a nut sleeve 13, the outer surface of the lower end of the upper handle 11 is provided with threads and is uniformly provided with a plurality of openings (the lower end of the upper handle is divided into a plurality of pieces as shown in fig. 2), the upper end of the upper handle 11 is tightly matched with the lower end of the upper rod 101 (the upper handle and the lower handle are assembled into a whole), the lower end of the upper handle 11 is sleeved on the lower rod 102, and the nut sleeve 13 is matched with the threads to buckle the upper handle 11 and the lower rod 102; the movable handle 16 is mounted on the lower rod 102 below the nut sleeve 13. The nut sleeve can be made of plastic materials, is sleeved on the lower rod 102 and is screwed at the opening at the lower end of the upper handle 11.

When mopping, the nut sleeve 13 is screwed to tighten the upper handle 11 to clamp the lower rod 102, so that the upper rod 101 and the lower rod 102 are not loosened; when the length of the straight floor mopping rod needs to be adjusted, the nut sleeve 12 is only slightly loosened, the lower end (the upper rod 101) of the upper handle 11 and the lower rod 102 are in a loose state, the upper rod is pulled upwards, the length is adjusted to be proper, and then the nut sleeve is screwed. When dehydration is needed, the movable handle 16 is held to move upwards, at the moment, the pull rope also moves upwards along with the movable handle 16, and the first clamping piece 6 on the mop head is pulled to compress the mop head (elastic collodion or sponge) so as to achieve the purpose of squeezing water, as shown in fig. 3. The movable handle 16 is loosened, the pull rope is loosened, the elasticity of the collodion mop head automatically resets, and the mopping operation can be continued.

The upper handle 11 acts as an upper limit for the movable handle 16 provided on the lower rod 102, that is, the movable handle 16 is pulled up to the bottom of the upper handle 11.

The number of the pull ropes in the embodiment can be 1, two ends of each pull rope are respectively fixed with the movable handle 16 and the movable shaft 7, and a pulley can be arranged in the middle of each pull rope. The number of the pull ropes can also be 2, two ends of one pull rope are respectively fixedly connected with the pulley yoke provided with the pulley 9 and the movable shaft 7, and two ends of the other pull rope are fixed on the movable handle 16 after the pulley is wound.

Example 3

As shown in fig. 4 and 5, the embodiment discloses a roller-type mop, which comprises a mop rod, a mop head arranged at the lower end of the mop rod, and a pull rope, wherein the mop rod is hollow and comprises a straight rod 1 and a cross rod 2, one end of the straight rod 1 is communicated with one end of the cross rod 2, the pull rope is arranged in the mop rod, and two ends of the pull rope are respectively positioned in the straight rod 1 and the cross rod 2;

the mop head comprises a strip-shaped elastic cleaning body 4, a first clamping piece 6 and a movable shaft 7, two symmetrical walls of the cross rod 2 are provided with through slots 3, the elastic cleaning body 4 is provided with mounting holes 5 along the length direction and sleeved on the cross rod 2 through the mounting holes 5, and the aperture of the mounting holes 5 is larger than the outer diameter of the cross rod 2; the movable shaft 7 is installed along the radial direction of the first clamping piece 6, the opening hole in the middle of the first clamping piece 6 is sleeved at the other end of the cross rod 2, the movable shaft 7 can slide in the slot opening 3, and one end of the pull rope 8 in the cross rod 2 is bound with the movable shaft 7. The movable shaft firstly passes through one side of the slot opening of the cross rod, then passes through the center of the clamping piece and then passes through the opposite side of the slot opening of the cross rod, so that the movable shaft is fixed in the pressing piece and can move in the symmetrical slot opening, and the movable shaft moves to drive the first clamping piece to move.

In one embodiment, the pull cord is provided as one piece, and the end of the pull cord located within the straight bar extends out of the top of the straight bar. The other end of the pull rope in the cross rod is pulled by pulling the pull rope at the top of the straight rod, the movable shaft 7 slides to the left in the slot opening 3, and the movable shaft 7 firstly passes through one side of the slot opening of the cross rod, then passes through the center of the first clamping piece and then passes through the opposite side of the slot opening of the cross rod and is fixed in the first pressing piece, so that the first clamping piece 6 is driven to slide to the left on the cross rod 1, and the elastic cleaning body 4 is pushed to compress and squeeze water to the left side.

As a preferred embodiment, the straight rod 1 comprises an upper rod 101, a lower rod 102 and an inclined rod 103, wherein two ends of the inclined rod 103 are respectively connected with the lower end of the lower rod 102 and one end of the cross rod 2 to form an inverted "7" shape; the upper rod 101 is sleeved on the lower rod 102 and can slide up and down.

As a preferred embodiment, the straight rod 1 further comprises an upper handle 11 and a nut sleeve 13, the outer surface of the lower end of the upper handle 11 is provided with threads and is uniformly provided with a plurality of openings (the openings divide the lower end of the upper handle into a plurality of pieces as shown in fig. 4), the upper end of the upper handle 11 is tightly matched with the lower end of the upper rod 101 (the upper handle and the lower rod are assembled into a whole), the lower end of the upper handle 11 is sleeved on the lower rod 102, and the nut sleeve 13 is matched with the threads to buckle the upper handle 11 and the lower rod 102. The nut sleeve can be made of plastic materials, is sleeved on the lower rod 102 and is screwed at the opening at the lower end of the upper handle 11. When mopping, the nut sleeve 13 is screwed to tighten the upper handle 11 and clamp the lower rod 102, so that the upper rod 101 and the lower rod 102 are not loosened. When the mop needs to be dewatered, the nut sleeve 12 is only slightly loosened to enable the lower end (the upper rod 101) of the upper handle 11 and the lower rod 102 to be in a loose state, the lower rod 102 of the mop is pinched by one hand, the upper handle 11 is pinched by one hand to pull the upper rod 101 to move upwards, at the moment, the pull rope also follows the upper rod to move upwards, and the first clamping piece 6 on the mop head is pulled to compress the mop head (the elastic sponge body) so as to achieve the purpose of squeezing water, as shown in fig. 5. The upper handle 11 is loosened, the elasticity of the collodion mop head automatically resets, and the mopping operation can be continued.

In a preferred embodiment, the straight rod 1 further comprises a lower handle 12 mounted on the lower rod 102 below the nut sleeve 13. The design of the lower handle 12 has multiple functions: the connection between the upper rod and the lower rod is firstly reinforced, the upper rod and the lower rod can be used as a handle when the lower rod is pinched by the upper rod and the lower rod for dewatering, and finally the rope can also be used as a descending stop point of the upper handle 11 without causing the rope stroke to exceed the accumulation.

Preferably, the strip-shaped elastic cleaning body of the embodiment has a cylindrical cross section, and can also have a long flat shape.

In the embodiment, the diameter of the cross rod 2 is smaller than that of the straight rod 1; the handle 15 can be sleeved at the upper end of the straight rod 1, so that the end part of the pull rope is prevented from being directly exposed.

As a preferred embodiment, the elastic cleaning body 4 is made of collodion or sponge or other materials commonly used in the existing mops. The mopping can be carried out by directly soaking the collodion cotton or the sponge in water.

Preferably, the periphery of the elastic cleaning body 4 is wrapped with mop cloth. The dirt removing effect of the mopping floor can be improved by wrapping the outer surface of the mop cloth with various rags, mop cloth and the like with strong dirt removing capability. In addition, the moisture on the surface of the cleaning cloth can be subjected to wetting protection when the elastic cleaning body adopts a collodion or sponge structure, so that the collodion or sponge is prevented from hardening.

One preferred structure is that the clamping device further comprises a second clamping piece 61, wherein a through hole is formed in the middle of the second clamping piece 61, and the second clamping piece is sleeved on the cross rod 2 through the through hole and located close to the side of the straight rod 1, namely, the second clamping piece is fixed at the junction of the cross rod 2 and the straight rod 1 (the junction of the cross rod 1 and the inclined rod 13). The elastic sponge body 4 is limited by the first clamping pieces 6 and the first clamping pieces 61 on two sides of the length direction of the elastic sponge body 4 of the cross rod 2, and the contact area is increased so as to facilitate reliable and quick water squeezing.

Preferably, the length of the slot 5 is smaller than the length of the cross bar 2.

In another embodiment, two pulling ropes are provided, including a first pulling rope 81 and a second pulling rope 82, as shown in fig. 4-5, a pulley 9, a first pipe plug 10 and a second pipe plug 14 are further provided in the straight rod 1 of the non-hand-washing mop, and the first pipe plug 10 or the second pipe plug 14 is provided with two through holes penetrating through the upper surface and the lower surface; two ends of a first pull rope 81 in the lower rod 102 are respectively and fixedly connected with a pulley yoke provided with the pulley 9 and the movable shaft 7; one end of the second pull rope 82 is fixed on one through hole in the pipe plug in the upper rod 101 or the lower rod 102, and the other end of the second pull rope is wound downwards on the pulley 9, passes through the other through hole in the lower rod 102, the first pipe plug 10 in the upper rod 101 and the second pipe plug 14, and is fixed on the end pipe plug 17 at the upper end part of the upper rod 101.

Through the design of the pulley, when the upper rod is pulled to drive the second pull rope 82 to move upwards, a lever effect is formed relative to the pulley, and the pull-up is lighter. When the mop head needs to be dewatered, the mop head can be compressed and the moisture contained in the mop head can be squeezed out only by pinching the lower handle of the lower rod of the mop rod with one hand and pinching the upper handle on the upper rod of the mop rod fixed with the second pull rope with the other hand to pull upwards. The travel of the pull rope is equal to the compression travel of the mop head.

The pipe plug in the present embodiment may be configured to fix the end of the pull rope using another structure such as a cross shaft.

When water is squeezed, the nut sleeve is slightly loosened, so that the upper handle (upper rod) and the lower rod are in a loose state. The lower handle of holding the mop lower beam is held between the fingers on one hand, and the last handle pulling upper beam of holding between the fingers the upper beam on the other hand goes upward, and at this moment the second stay cord also follows the upper beam and goes upward, and the first clamping piece on the pulling mop head moves left and compresses the mop head, and the second clamping piece is withstood on the mop head left side, through the cooperation of two clamping pieces to reach crowded water's purpose. The mop head can be automatically reset by the elasticity of the elastic collodion and the sponge body on the mop head after the upper handle is loosened, and the mopping operation can be continued.

The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited, and the deformation and improvement made by the design idea of the present invention for those skilled in the art should be considered as the protection scope of the present invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

The 1.7-shaped rolling type mop comprises a mop rod and a mop head arranged at the lower end of the mop rod, and is characterized by also comprising a pull rope (8); the mop rod is hollow and comprises a straight rod (1) and a cross rod (2), one end of the straight rod (1) is communicated with one end of the cross rod (2) to form a 7-shaped structure, the pull rope (8) is arranged in the mop rod, and two ends of the pull rope are respectively positioned in the straight rod (1) and the cross rod (2);

the mop head comprises a strip-shaped elastic cleaning body (4), a first clamping piece (6) and a movable shaft (7), two walls of the cross rod (2) are provided with through slots (3), the elastic cleaning body (4) is provided with mounting holes (5) along the length direction and is sleeved on the cross rod (2) through the mounting holes (5); the movable shaft (7) is installed along the radial direction of the first clamping piece (6), the first clamping piece (6) is sleeved at the other end of the cross rod (2), and the movable shaft (7) can slide in the slot opening (3); one end of the pull rope (8) is positioned in the cross rod and fixed on the movable shaft (7), and the other end of the pull rope (8) extends out of the straight rod.
2. The 7-shaped rolling type mop according to claim 1, wherein the straight rod (1) comprises an upper rod (101), a lower rod (102) and an inclined rod (103), and two ends of the inclined rod (103) are respectively connected with the lower end of the lower rod (102) and one end of the cross rod (2); the upper rod (101) is sleeved with the lower rod (102) and can slide up and down.
3. The 7-shaped rolling type mop according to claim 2, wherein the straight rod (1) further comprises an upper handle (11) and a nut sleeve (13), the outer surface of the lower end of the upper handle (11) is provided with threads and is uniformly provided with a plurality of openings, the upper end of the upper handle (11) is tightly matched with the lower end of the upper rod (101), the lower end of the upper handle (11) is sleeved on the lower rod (102), and the nut sleeve (13) is matched with the threads to fix the upper handle (11) and the lower rod (102).
4. The 7-shaped rolling mop according to claim 3, further comprising a lower handle (12) arranged on the lower rod (102) below the nut sleeve (13).
5. The 7-shaped rolling type mop according to claim 2, 3 or 4, further comprising a pulley (9) and a pipe plug, wherein the pipe plug is provided with two through holes penetrating through the upper surface and the lower surface; the pull rope (8) comprises a first pull rope (81) and a second pull rope (82), and two ends of the first pull rope (81) in the lower rod (102) are respectively fixedly connected with the pulley frame provided with the pulley (9) and the movable shaft (7); one end of the second pull rope (82) is fixed on one through hole in the pipe plug in the upper rod (101) or the lower rod (102), and the other end of the second pull rope is downwards wound on the pulley (9) and then penetrates through the other through hole in the pipe plug in the lower rod (102) or the upper rod (101), and is fixed on the end pipe plug (17) at the upper end part of the upper rod (101).
6. The 7-shaped rolling type mop according to any one of claims 1 to 4, wherein the diameter of the cross bar (2) is smaller than that of the straight bar (1); or the handle (14) is sleeved at the upper end of the straight rod (1).
7. The 7-shaped rolling type mop according to any one of claims 1 to 4, wherein the elastic cleaning body (4) is made of collodion or sponge.
8. The 7-shaped rolling type mop according to claim 7, characterized in that wiping cloth is wrapped on the periphery of the elastic cleaning body (4).
9. The 7-shaped rolling type mop according to any one of claims 1 to 4, further comprising a second clamping piece (61), wherein a through hole is formed in the middle of the second clamping piece (61), and the second clamping piece is sleeved on the cross bar (2) through the through hole and is positioned on the side close to the straight bar (1).
10. The 7-shaped rolling type mop according to any one of claims 1 to 4, wherein a movable handle (16) is sleeved on the straight rod, the movable handle (16) is slidably connected with the straight rod (1), and the other end of the pull rope (8) extends outwards from the side wall of the straight rod and is fixed on the movable handle.