CN212346437U

CN212346437U - Mop head convenient to replace and mop matched with same

Info

Publication number: CN212346437U
Application number: CN202020228938.XU
Authority: CN
Inventors: 胡琪; 俞享福
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2021-01-15
Anticipated expiration: 2030-02-28

Abstract

The utility model belongs to the technical field of cleaning tools, in particular to a mop head convenient to replace and a matched mop thereof, which comprises a support frame, wherein two ends of the support frame are integrally/fixedly connected with support plates, at least one transverse supporting rod is arranged between the support plates, a cotton head is arranged on the support frame, a through hole is arranged in the length direction of the cotton head, the cotton head is arranged on the transverse supporting rod by penetrating through the through hole, and the cotton head/part of the cotton head can move along the transverse supporting rod in the mop head; the supporting plate is provided with a movable blocking piece, and the blocking piece is used for blocking/releasing the transverse supporting rod; when the blocking piece releases the transverse strut, the transverse strut can penetrate through the supporting plate so as to separate the cotton head from the transverse strut; stop when blockking the piece horizontal branch, horizontal branch is spacing between the backup pad of both sides, and the activity of cotton head sets up on horizontal branch, the utility model provides a simple structure and stable, the mop head of being convenient for change and supporting, the effectual mop of crowded water.

Description

Mop head convenient to replace and mop matched with same

Technical Field

The utility model belongs to the technical field of cleaning tools, in particular to a mop head convenient to replace and a matched mop thereof.

Background

The collodion has strong water absorption and can fully ensure the cleaning work of the cotton head, so the collodion mop is popular among consumers. However, the collodion mops on the market have the following problems: the problem 1 is that the squeezing frame moves along the height direction of the collodion cotton head to squeeze water, in order to ensure that the whole collodion cotton head can be squeezed by the squeezing rod, the transverse length of the squeezing rod must be close to that of the collodion cotton head, so that the transverse length of the squeezing part is very long, the squeezing rod is heavy, the contact area between the squeezing rod and the collodion cotton head is very large in the squeezing process, the friction force is greatly increased in the squeezing process, and in addition, the squeezing rods on the front side or the rear side are generally in multiple rows, the material consumption is high, and the cost of the squeezing frame is high; problem 2, because of the particularity of the structure of the squeezing frame, the collodion head and the mop rod must be fixedly connected, the collodion head cannot be completely separated from the squeezing frame, namely, the collodion head cannot rotate relative to the mop rod, when the mop is used for mopping, the mop is inconvenient to drag in specific occasions such as corners, and the adaptability of mopping is poor; problem 3, squeezing water is not dry enough; problem 4, the cotton head is inconvenient to replace.

Disclosure of Invention

The utility model aims at providing a mop head and supporting, the effectual mop of crowded water of being convenient for change that simple structure and stable, be convenient for change.

The purpose of the utility model is realized like this:

a mop head convenient to replace comprises a support frame, wherein support plates are integrally/fixedly connected with two ends of the support frame, at least one transverse support rod is arranged between the support plates, cotton heads are arranged on the support frame, through holes are formed in the length direction of the cotton heads, the cotton heads penetrate through the transverse support rods through the through holes, and the cotton heads/partial cotton heads can move along the transverse support rods in the mop head;

the supporting plate is provided with a movable blocking piece, and the blocking piece is used for blocking/releasing the transverse supporting rod; when the blocking piece releases the transverse strut, the transverse strut can penetrate through the supporting plate so as to separate the cotton head from the transverse strut; when the blocking piece blocks the transverse supporting rod, the transverse supporting rod is limited between the supporting plates on two sides, and the cotton head is movably arranged on the transverse supporting rod.

A movable plate is fixed on one side of the cotton head, a positioning plate is fixed on one side of the cotton head, when the driving blocking piece blocks the transverse supporting rod, the blocking piece can tightly clamp the positioning plate and enable the positioning plate to be positioned on the inner side of the supporting plate, and the movable plate can be movably arranged on the transverse supporting rod.

The movable plate extends upwards to form a limiting wall, a convex rib/groove which is parallel to the transverse supporting rod is arranged below the supporting frame, and the limiting wall is arranged on the convex rib/groove in a sliding mode.

The supporting device is characterized in that a mounting seat is arranged on a supporting plate on one side of the supporting frame, one end of the transverse supporting rod can be limited in the mounting seat, a hole for the transverse supporting rod to penetrate through is formed in a supporting plate on the other side of the supporting frame, the blocking piece is movably arranged on the supporting plate, and the driving blocking piece can block/release the hole.

A mounting seat is arranged on a supporting plate at one side of the supporting frame, one end of the transverse supporting rod can be limited in the mounting seat, a hole for the transverse supporting rod to pass through is formed in a supporting plate at the other side of the supporting plate, the blocking piece is movably arranged on the supporting plate, and the blocking piece is driven to block/release the hole; when the blocking piece blocks the hole, the blocking piece can clamp the positioning plate.

The supporting plate is provided with a first sliding groove, the blocking piece is provided with a bulge, the bulge is positioned in the first sliding groove and can move in the first sliding groove,

the locating plate is provided with a second sliding groove, the upper opening of the second sliding groove is large, the lower opening of the second sliding groove is small, the end part of the protrusion is a large-diameter end, the rear part of the protrusion is a small-diameter section, the large-diameter end of the protrusion penetrates through the first sliding groove and can only enter the second sliding groove through the large opening of the second sliding groove, when the blocking part slides downwards, the protrusion moves downwards and enables the large-diameter end to be limited in the small opening of the second sliding groove, and when the small opening of the second sliding groove is limited in the protrusion, the blocking part blocks the hole.

The first sliding groove is provided with a protruding portion, when the blocking piece slides downwards and blocks the hole, the protruding portion is limited above the protruding portion, and the protruding portion of the blocking piece is located below the second sliding groove through the protruding portion.

A mop matched with the conveniently-replaced mop head comprises a mop rod, the end part of the mop rod is hinged with the support frame, a water squeezing frame is sleeved on the mop rod, and the water squeezing frame can move along the mop rod; when water is squeezed, the supporting frame can rotate until the length direction of the cotton head is basically parallel to the mop rod and is aligned to the water squeezing frame, the water squeezing frame slides up and down along the length direction of the cotton head and squeezes the cotton head so as to flatten or release the cotton head in the supporting frame along the transverse supporting rod; when mopping, the cotton head is completely separated from the wringing frame.

The last portion of leaning on that is provided with of crowded water frame, when crowded water, the portion of leaning on leans on the fly leaf and when carrying out the compression cotton head, realizes flattening of cotton head on length direction under the drive of the portion of leaning on, when leaning on the portion toward keeping away from the cotton head direction and removing, the cotton head can reset under self deformation power.

The end of the wringing frame is provided with a retainer, the middle of the wringing frame is provided with the abutting part, the middle of the retainer is a penetrating port, during wringing, the cotton head passes through the penetrating port of the retainer and then abuts against the abutting part, the inner side of the retainer is detachably provided with a hairbrush, and when the cotton head passes through the retainer, the hairbrush can clean the surface of the cotton head.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a mode of dismantling horizontal branch carries out quick installation and the dismantlement of cotton head, user's easy operation, and concrete mode is as follows: in the disassembling process, the transverse supporting rod can be released by moving the blocking piece, and the transverse supporting rod can penetrate through the supporting plate so that the cotton head is separated from the transverse supporting rod, so that the cotton head can be disassembled from the transverse supporting rod; during installation, the cotton head is arranged between the two supporting plates, the transverse supporting rod penetrates through the cotton head from the supporting plate on one side until the transverse supporting rod is erected between the two supporting plates, and finally the blocking piece is moved to block the transverse supporting rod. Through the structure, the user can quickly replace the cotton head without using any tool, the whole structure is simple, and the operation of the user is convenient.

2. The cotton head of the utility model is arranged on the transverse supporting rod in a penetrating way, when the mop head is used, tearing force exists between the cotton head and the bottom surface, the whole cotton head is arranged on the transverse supporting rod in a penetrating way, the cotton head can be effectively and stably arranged on the mop head, the stability of the structure is ensured, and in order to avoid the deformation of the cotton head in the flattening process, the cotton head is arranged on the transverse supporting rod in a penetrating way through the through hole of the cotton head, the water squeezing keeping and guiding of the cotton head are carried out through the transverse supporting rod, and the water squeezing process is more stable;

3. one side of cotton-padded head is fixed with the fly leaf, and one side is fixed with the locating plate, and when the drive was blockked and is blockked horizontal branch, but the piece chucking the locating plate makes the locating plate location in the inboard of backup pad, and the fly leaf is mobile be in on the horizontal branch, realize through this structure that cotton-padded head has and only fly leaf one end can move about in the mop head, and the other end is blockked spacingly, is favorable to crowded water frame to carry out crowded water.

4. Adopt the length direction who follows cotton head to wring out, need avoid cotton head at the problem of wringing out in-process resorption, consequently the utility model discloses a collodion mop when wringing out, wringing out the frame and sliding from top to bottom along the length direction of cotton head and extrude cotton head in order to realize cotton head flattening or release inside the cotton head length direction of edge, adopt horizontal flat mode to extrude whole cotton head constantly, effectively wringing out and avoid cotton head resorption liquid, guarantee the validity of wringing out, and, the wringing frame of utilizing on the mop from the area carries out wringing out, need not extra accessory easy operation.

5. The utility model discloses an inboard of holder can be dismantled and be provided with the brush, and when cotton head passed the holder, the brush can be cleared up cotton head surface, lets more clean, the cleanness of cotton head. The collodion cotton head can be completely separated from the squeezing frame, and the end part of the mop rod is hinged with the supporting frame, namely, the mop head is hinged at the lower end of the mop rod, when mopping, the mop can be conveniently dragged in specific occasions such as corners, bed bottoms, table bottoms and the like, and the mopping adaptability is strong.

Drawings

FIG. 1 is a schematic structural view showing a mop in use according to the present invention;

FIG. 2 is a second schematic structural view showing the use state of the mop of the present invention;

FIG. 3 is one of the schematic structural views showing the state that the cotton head enters the retainer without being squeezed;

FIG. 4 is a second schematic view of the structure of the cotton bud of the present invention entering into the holder without squeezing;

FIG. 5 is a schematic structural view of the wringing state of the cotton bud of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 5 at A;

FIG. 7 is a schematic view of the mop head of the present invention;

fig. 8 is a second schematic structural view of the mop head of the present invention;

FIG. 9 is a schematic view of the inner structure of the mop head of the present invention;

FIG. 10 is an enlarged view of the structure at B of FIG. 9;

FIG. 11 is an enlarged view of the structure of FIG. 9 at C;

FIG. 12 is one of the schematic exploded views of the mop head of the present invention;

FIG. 13 is an enlarged schematic view of FIG. 12 at D;

FIG. 14 is an enlarged view of the structure of FIG. 12 at E;

fig. 15 is a second schematic view of the exploded structure of the mop head of the present invention;

FIG. 16 is an enlarged schematic view of FIG. 15 at F;

fig. 17 is an enlarged schematic view of fig. 15 at G.

In the figure: 1-mop rod; 2-a support frame; 21-a support plate; 211-an escape part; 212-a mount; 213-holes; 214-a first runner; 2141-a projection; 22-a barrier; 221-a bump; 2211-convex large diameter end; 2212-convex small diameter section; 23-a movable plate; 231-a retaining wall; 232-limit wall gap; 233-a movable plate through hole; 24-a positioning plate; 24 a-a second runner; 241-the large opening of the second runner; 242-small opening of second runner; 243-positioning plate through hole; 25-a transverse strut; 26-a convex rib; 27-a hinged seat; 3-a water squeezing frame; 31-against the arm; 311-an abutment; 32-a cage; 33-a brush; 4-cotton ends; l-the length direction of the cotton head.

Detailed Description

The invention will be further described with reference to the following detailed description of embodiments thereof, with reference to the accompanying drawings, in which figures 1-17 show:

a mop head convenient to replace comprises a support frame 2, wherein support plates 21 are integrally/fixedly connected with two ends of the support frame 2, at least one transverse support rod 25 is arranged between the support plates 21, a cotton head 4 is arranged on the support frame 2, a through hole is formed in the length direction L of the cotton head, the cotton head 4 penetrates through the transverse support rod 25 through the through hole, and the cotton head 4/part of the cotton head 4 can move along the transverse support rod 25 in the mop head;

a movable blocking piece 22 is arranged on the supporting plate 21, and the blocking piece 22 is used for blocking/releasing the transverse strut 25; when the blocking member 22 releases the transverse strut 25, the transverse strut 25 can pass through the support plate 21 so as to disengage the cotton head 4 from the transverse strut 25; when the blocking piece 22 blocks the transverse strut 25, the transverse strut 25 is limited between the support plates 21 on both sides, and the cotton head 4 is movably arranged on the transverse strut 25.

Carry out quick installation and the dismantlement of cotton head 4 through the mode of dismantling horizontal branch 25, user's easy operation, concrete mode is as follows: during the disassembly process, the transverse strut 25 can be released by the blocking piece 22 by moving the blocking piece 22, the transverse strut 25 can pass through the supporting plate 21 so that the cotton head 4 is separated from the transverse strut 25, and then the cotton head 4 can be disassembled from the transverse strut 25; during the installation process, the cotton head 4 is firstly arranged between the two supporting plates 21, then the transverse strut 25 penetrates through the cotton head 4 from one side supporting plate 21 until the transverse strut 25 is erected between the two supporting plates 21, and finally the blocking piece 22 is moved to block the transverse strut 25. Through the structure, the user can quickly replace the cotton head 4 without using any tool, the whole structure is simple, and the operation of the user is convenient.

A movable plate 23 is fixed on one side of the cotton head 4, a positioning plate 24 is fixed on the other side of the cotton head, when the blocking piece 22 is driven to block the transverse supporting rod 25, the blocking piece 22 can clamp the positioning plate 24 and enable the positioning plate 24 to be positioned on the inner side of the supporting plate 21, and the movable plate 23 can be movably arranged on the transverse supporting rod 25. The movable plates 23 and the positioning plates 24 on both sides of the cotton head 4 are the protection for both ends of the cotton head 4 and are necessary connecting parts. The movable plate 23 is provided with a movable plate through hole 233, the positioning plate 24 is provided with a positioning plate through hole 243, the transverse strut 25 can penetrate the cotton head 4 through the movable plate through hole 233 and the positioning plate through hole 243 to be arranged on the transverse strut 25, and the movable plate through hole 233 and the positioning plate through hole 243 cannot deform and are convenient to use and penetrate, so that the cotton head 4 can be replaced by a user.

The movable plate 23 extends upwards to form a limiting wall 231, a rib 26/groove arranged in parallel with the transverse strut 25 is arranged below the support frame 2, and the limiting wall 231 is slidably arranged on the rib 26/groove. The rib 26 is preferably a longitudinal rib, the limiting wall 231 is provided with a limiting wall gap 232 matched with the rib 26, and the rib 26 and the limiting wall gap 232 are used for auxiliary support, so that the movable plate 23 can effectively slide on the transverse support rod 25, and lateral inclination is avoided, as shown in fig. 16.

A mounting seat 212 is arranged on the support plate 21 at one side of the support frame 2, one end of the transverse strut 25 can be limited in the mounting seat 212, a hole 213 for the transverse strut 25 to pass through is arranged on the support plate 21 at the other side of the support frame 2, the blocking piece 22 is movably arranged on the support plate 21, and the driving blocking piece 22 can block/release the hole 213; when the blocking member 22 blocks the hole 213, the blocking member 22 can be clamped to the positioning plate 24. Through the structure, the cotton head 4 is arranged in the mop head, only one end of the movable plate 23 can move, and the other end of the movable plate is limited by the blocking piece 22, so that the wringing frame 3 can wring water.

The supporting plate 21 is provided with a first sliding slot 214, the blocking member 22 is provided with a projection 221, the projection 221 is positioned in the first sliding slot 214 and can move in the first sliding slot 214,

the positioning plate 24 is provided with a second sliding slot 24a, the upper opening of the second sliding slot 24a is large, the lower opening of the second sliding slot 24a is small, the end of the protrusion 221 is a large diameter end, the rear portion of the protrusion 221 is a small diameter section, the large diameter end 2211 of the protrusion passes through the first sliding slot 214 and can only enter the second sliding slot 24a through the large opening 241 of the second sliding slot, when the blocking member 22 slides downwards, the protrusion 221 moves downwards and limits the large diameter end 2211 of the protrusion in the small opening 242 of the second sliding slot, and when the protrusion 221 limits the small opening 242 of the second sliding slot, the blocking member 22 blocks the hole 213. The blocking member 22 positions the positioning plate 24 through the second slide groove 24 a.

The first sliding groove 214 is provided with a protrusion 2141, when the blocking member 22 slides downward and blocks the hole 213, the protrusion 2141 limits the upper side of the protrusion 221, and the protrusion 221 of the blocking member 22 is positioned below the second sliding groove 24a by the protrusion 2141. By the protrusion 2141, the blocking member 22 can effectively block the transverse strut 25 from disengaging and the blocking member 22 can effectively position the positioning plate 24, so that the user needs to exert an external force to overcome the protrusion 2141 to replace the cotton head 4.

A mop matched with the conveniently-replaced mop head comprises a mop rod 1, wherein the end part of the mop rod 1 is hinged with a support frame 2, a water squeezing frame 3 is sleeved on the mop rod 1, and the water squeezing frame 3 can move along the mop rod 1; when water is squeezed, the supporting frame 2 can rotate until the length direction L of the cotton head is basically parallel to the mop rod 1 and is aligned with the water squeezing frame 3, the water squeezing frame 3 slides up and down along the length direction of the cotton head and squeezes the cotton head 4 to flatten or release the cotton head 4 in the supporting frame 2 along the transverse supporting rod 25. Adopt and carry out the wringing from the length direction of cotton head, just avoid cotton head 4 at the problem of wringing in-process resorption, consequently the utility model discloses a collodion mop when wringing, wringing frame 3 slides from top to bottom along the length direction of cotton head and extrudes to the cotton head in order to realize that cotton head 4 flattens or releases on cotton head length direction L inside the mop head, adopts horizontal flattening's mode to extrude whole cotton head constantly, effectively wringing and avoid cotton head 4 resorption liquid, guarantees the validity of wringing to, utilize the wringing frame 3 of taking on the mop to wring, need not extra accessory easy operation.

When mopping, the cotton head 4 is completely separated from the wringing frame 3, and the end part of the mop rod 1 is hinged with the support frame 2, namely, the mop head is hinged at the lower end of the mop rod 1, when mopping, the mop can be conveniently dragged in specific occasions such as corners, bed bottoms, table bottoms and the like, and the mopping adaptability is strong.

Be provided with on crowded water frame 3 and support portion 311, when crowded water, support portion 311 supports and support on fly leaf 23 and compress cotton head 4, realize cotton head 4 flattening on length direction under the drive of support portion 311, when supporting portion 311 toward keeping away from cotton head direction removal, cotton head 4 can reset under self deformation power. The self characteristic of the cotton head is utilized to reset, an additional reset device is not needed, and the product structure is simpler. Support portion 311 through crowded water frame 3 and directly apply the effort in the one end of cotton head 4 and carry out crowded water, the application of force is more accurate, and cotton head 4 is directly driven from length direction's one end, realizes more effective crowded water.

The end of the wringing frame 3 is provided with a retainer 32, the middle of the wringing frame 3 is provided with the abutting part 311, the middle of the retainer 32 is provided with a through hole, when wringing, the cotton head 4 passes through the through hole of the retainer 32 and then abuts against the abutting part 311, the problem that the mop head tilts to generate a series of collisions and the like when wringing is avoided through the retainer 32, and the cotton head 4 must firstly pass through the retainer 32 to wring the cotton head, so that the detection of the wringing frame 3 is aimed at by the mop head before wringing and the protection is kept during the wringing process. As shown in fig. 3-4, the cotton head 4 enters the holder 32 but the abutting portion 311 is not flushed with the cotton head 4; as shown in fig. 5-6, the cotton head 4 enters the holder 32 and the abutting part 311 wrings the cotton head 4, and in practice, the cotton head 4 must pass through the holder 32 first to wring the cotton head 4.

The inboard of holder 32 can be dismantled and be provided with brush 33, and when cotton head 4 passed holder 32, brush 33 can be cleared up cotton head 4 surface, lets more clean, the cleanness of cotton head.

The wringing frame 3 extends out at least one abutting support arm 31, the abutting support arm 31 is the abutting portion 311 on one side of the cotton head 4, the support plate 21 is provided with a space-avoiding portion 211, and when the wringing frame 3 wrings water, the abutting support arm 31 abuts against the movable plate 23 after passing through the space-avoiding portion 211. Avoid the interference between the spare part through avoiding the vacancy 211, can avoid the maloperation through avoiding the vacancy 211 moreover, lean on support arm 31 and just can carry out the extrusion cotton head 4 after passing through avoiding the vacancy 211.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A mop head convenient to replace is characterized in that: the mop comprises a support frame (2), wherein support plates (21) are integrally/fixedly connected with two ends of the support frame (2), at least one transverse supporting rod (25) is arranged between the support plates (21), a cotton head (4) is arranged on the support frame (2), a through hole is formed in the length direction (L) of the cotton head, the cotton head (4) penetrates through the transverse supporting rod (25) through the through hole, and the cotton head (4)/a part of the cotton head (4) can move along the transverse supporting rod (25) in the mop head;

a movable blocking piece (22) is arranged on the supporting plate (21), and the blocking piece (22) is used for blocking/releasing the transverse supporting rod (25); when the blocking member (22) releases the transverse strut (25), the transverse strut (25) can pass through the support plate (21) so as to disengage the cotton head from the transverse strut (25); when the blocking piece (22) blocks the transverse supporting rods (25), the transverse supporting rods (25) are limited between the supporting plates (21) on the two sides, and the cotton heads (4) are movably arranged on the transverse supporting rods (25).

2. The easy-to-replace mop head of claim 1, wherein: a movable plate (23) is fixed on one side of the cotton head (4), a positioning plate (24) is fixed on one side of the cotton head, when the driving blocking piece (22) blocks the transverse supporting rod (25), the blocking piece (22) can clamp the positioning plate (24) and enable the positioning plate (24) to be positioned on the inner side of the supporting plate (21), and the movable plate (23) can move on the transverse supporting rod (25).

3. The easy-to-replace mop head of claim 2, wherein: the movable plate (23) extends upwards to form a limiting wall (231), a convex rib (26)/groove which is arranged in parallel with the transverse supporting rod (25) is arranged below the supporting frame (2), and the limiting wall (231) is arranged on the convex rib (26)/groove in a sliding mode.

4. The easy-to-replace mop head of claim 1, wherein: be provided with mount pad (212) on one side backup pad (21) of support frame (2), the one end of horizontal branch pole (25) can be spacing in mount pad (212), be provided with hole (213) that supply horizontal branch pole (25) to pass on the opposite side backup pad (21) of support frame (2), block piece (22) activity and set up on backup pad (21), drive blocks that piece (22) can shelter from/release hole (213).

5. A readily replaceable mop head as claimed in claim 2 or claim 3, in which: a mounting seat (212) is arranged on a supporting plate (21) at one side of the supporting frame (2), one end of the transverse supporting rod (25) can be limited in the mounting seat (212), a hole (213) for the transverse supporting rod (25) to pass through is arranged on the supporting plate (21) at the other side of the supporting frame (2), the blocking piece is movably arranged on the supporting plate (21), and the driving blocking piece (22) can block/release the hole (213); when the blocking piece (22) blocks the hole (213), the blocking piece (22) can clamp the positioning plate (24).

6. The easy-to-replace mop head of claim 5, wherein: a first sliding groove (214) is arranged on the supporting plate (21), a protrusion (221) is arranged on the blocking piece (22), the protrusion (221) is positioned in the first sliding groove (214) and can move in the first sliding groove (214),

the positioning plate (24) is provided with a second sliding groove (24a), the upper opening of the second sliding groove (24a) is large, the lower opening of the second sliding groove (24a) is small, the end part of the protrusion (221) is a large-diameter end, the rear part of the protrusion is a small-diameter section, the large-diameter end (2211) of the protrusion penetrates through the first sliding groove (214) and can only enter the second sliding groove (24a) through the large opening (241) of the second sliding groove, when the blocking piece (22) slides downwards, the protrusion (221) moves downwards and enables the large-diameter end (2211) of the protrusion to be limited in the small opening (242) of the second sliding groove, and when the protrusion (221) limits the small opening (242) of the second sliding groove, the blocking piece (22) blocks the hole (213).

7. The easy-to-replace mop head of claim 6, wherein: the first sliding groove (214) is provided with a protruding portion (2141), when the blocking member (22) slides downwards and blocks the hole (213), the protruding portion (2141) limits the upper portion of the protrusion (221), and the protrusion (221) of the blocking member (22) is positioned below the second sliding groove (24a) through the protruding portion (2141).

8. A mop that is compatible with the easily replaceable mop head of claim 2 or 3 or 4 or 6 or 7, wherein: the mop comprises a mop rod (1), the end part of the mop rod (1) is hinged with a support frame (2), a water squeezing frame (3) is sleeved on the mop rod (1), and the water squeezing frame (3) can move along the mop rod (1); when water is squeezed, the supporting frame (2) can rotate until the length direction (L) of the cotton head is basically parallel to the mop rod and is aligned to the water squeezing frame (3), the water squeezing frame (3) slides up and down along the length direction (L) of the cotton head and squeezes the cotton head (4) to flatten or release the cotton head (4) in the supporting frame (2) along the transverse supporting rod (25); when mopping, the cotton head (4) is completely separated from the wringing rack (3).

9. The mop of claim 8, wherein: be provided with on crowded water frame (3) and support portion (311), when crowded water, support portion (311) and support and lean on fly leaf (23) and when compressing cotton head (4), realize the flattening of cotton head on length direction under the drive of supporting portion (311), when supporting portion (311) toward keeping away from cotton head direction and removing, cotton head (4) can reset under self deformation power.

10. The mop of claim 9, wherein: the tip of crowded water frame (3) is provided with holder (32), and crowded water frame (3) middle part is provided with support to portion (311), holder (32) middle part is for wearing the mouth, and during crowded water, cotton head (4) pass support again after wearing the mouth of holder (32) to support to leaning on to portion (311), the inboard of holder (32) can be dismantled and be provided with brush (33), and when cotton head (4) passed holder (32), brush (33) can be cleared up cotton head (4) surface.