CN218118248U

CN218118248U - Telescopic locking assembly

Info

Publication number: CN218118248U
Application number: CN202222183074.6U
Authority: CN
Inventors: 伍焕廷
Original assignee: Guangzhou Juerjia Plastic Products Co ltd
Current assignee: Guangzhou Juerjia Plastic Products Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-23
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a telescopic locking component which is used for rotating a mop and comprises a mop rod and a locking mechanism; the mop rod comprises a power rod assembly and a driven rod assembly, the power rod assembly is used for connecting a handle, the driven rod assembly is used for connecting a mop head, and the power rod assembly is movably sleeved with the driven rod assembly. The locking mechanism comprises an inner sleeve and an outer sleeve, and the outer sleeve is sleeved outside the inner sleeve and is in threaded connection with the inner sleeve; the inner sleeve is fixedly sleeved on the outer wall of the power rod assembly, the bottom of the inner sleeve is provided with a plurality of isolation grooves extending upwards along the axial direction of the inner sleeve, and the isolation grooves are arranged at intervals around the circumferential direction of the inner sleeve so as to form a deformation extrusion block between the adjacent isolation grooves; when the outer sleeve and the inner sleeve are screwed tightly, the inner wall of the outer sleeve is pressed on the outer walls of the deformation extrusion blocks, so that the diameter enclosed by the deformation extrusion blocks is reduced and the power rod assembly is pressed tightly. Which improves the locking between the power rod assembly and the driven rod assembly.

Description

Telescopic locking assembly

Technical Field

The utility model relates to a rotatory mop technical field especially relates to flexible locking Assembly.

Background

Most of the mop rod of the rotary mop is of a telescopic structure, so that the length of the mop rod can be adjusted by a user according to requirements, and the mop rod is universal for users with different heights. However, the mop rod of the rotary mop can be divided into a power section for connecting the handle and an implement section for connecting the mop head. Wherein, the power part can be defined as a power rod assembly, and the execution part can be defined as a driven rod assembly.

Based on the mop head all need frequently cooperate with the mop cask at every turn for need frequently lock each other and the unblock each other between power rod subassembly and the driven pole subassembly, therefore the locking mode remains to be improved, in order to accomplish the locking and the unblock between power rod subassembly and the driven pole subassembly more easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a telescopic locking assembly, which improves the locking mode between the power rod assembly and the driven rod assembly so as to more easily complete the locking and unlocking between the power rod assembly and the driven rod assembly.

The purpose of the utility model is realized by adopting the following technical scheme:

the telescopic locking assembly is used for rotating the mop and comprises a mop rod and a locking mechanism; the mop rod comprises a power rod assembly and a driven rod assembly, the power rod assembly is used for connecting a handle, the driven rod assembly is used for connecting a mop head, and the power rod assembly and the driven rod assembly are movably sleeved so as to enable the power rod assembly and the driven rod assembly to be capable of relatively rotating and telescopically connecting; the locking mechanism comprises an inner sleeve and an outer sleeve, and the outer sleeve is sleeved outside the inner sleeve and is in threaded connection with the inner sleeve; the inner sleeve is fixedly sleeved on the outer wall of the power rod assembly, the bottom of the inner sleeve is provided with a plurality of isolation grooves extending upwards along the axial direction of the inner sleeve, the isolation grooves are arranged at intervals around the circumferential direction of the inner sleeve so as to form a deformation extrusion block between adjacent isolation grooves, the deformation extrusion blocks are arranged on the outer wall of the driven rod assembly in a surrounding manner, and the diameter of the inner sleeve at the deformation extrusion block is gradually increased upwards along the axial direction of the inner sleeve; when the outer sleeve and the inner sleeve are screwed tightly, the inner wall of the outer sleeve is pressed on the outer walls of the plurality of the deformation extrusion blocks, so that the diameter enclosed by the plurality of the deformation extrusion blocks is reduced and the power rod assembly is pressed.

Further, the towing rod and the locking mechanism are manufactured in a split mode.

Furthermore, the side wall of the outer sleeve is provided with a plurality of anti-skid stripes.

Further, a plurality of the anti-skid stripes are distributed at intervals along the circumferential direction of the outer sleeve.

Further, the anti-slip stripes extend along the axial direction of the outer sleeve, and each anti-slip stripe is protruded from inside to outside along the radial direction of the outer sleeve to form a convex strip structure.

Furthermore, the locking mechanism is made of plastic materials.

Furthermore, the top of the inner sleeve is provided with a limiting part, a certain distance is arranged between the limiting part and the external thread of the inner sleeve to form a buffer groove, the buffer groove is used for accommodating the internal thread of the outer sleeve, and the limiting part is used for axially limiting the internal thread of the outer sleeve.

Furthermore, the bottom of the outer sleeve is of a sharp edge structure, and the diameter of the inner wall of the bottom of the outer sleeve is gradually enlarged upwards along the axial direction of the outer sleeve.

Further, the bottom of the deformation extrusion block is of a sharp-edged structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the outer sleeve is in threaded connection with the inner sleeve, so that the outer sleeve forcibly climbs upwards along the outer wall of the deformation extrusion block through rotary motion, and the diameter of the deformation extrusion block on the inner sleeve is gradually increased upwards along the axial direction of the inner sleeve, so that the diameter enclosed by the deformation extrusion blocks is reduced, and the power rod assembly is tightly pressed. Therefore, the locking mode and the unlocking mode are not only reliable, light and fast.

Drawings

Fig. 1 is a schematic structural view of the telescopic locking assembly of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is an exploded view of the locking mechanism of fig. 1.

In the figure: 1. a tow bar; 11. a power rod assembly; 12. a driven rod assembly; 2. a locking mechanism; 21. an inner sleeve; 211. an isolation trench; 212. deforming the extrusion block; 213. a limiting part; 214. a buffer tank; 215. an external thread; 22. a jacket; 221. anti-skid stripes; 222. and (4) internal threads.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, "vertical," "horizontal," "left," "right," and similar expressions are for purposes of illustration only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1-4 show a telescopic locking assembly of a preferred embodiment of the present invention for a rotary mop, comprising a mop rod 1 and a locking mechanism 2. The mop rod 1 comprises a power rod assembly 11 and a driven rod assembly 12, wherein the power rod assembly 11 is used for connecting a handle, the driven rod assembly 12 is used for connecting a mop head, and the power rod assembly 11 and the driven rod assembly 12 are movably sleeved so as to enable the power rod assembly and the driven rod assembly 12 to rotate relatively and be connected in a telescopic mode. Referring to fig. 3 and 4, the locking mechanism 2 includes an inner sleeve 21 and an outer sleeve 22, and the outer sleeve 22 is sleeved outside the inner sleeve 21 and is in threaded connection with the inner sleeve 21. The inner sleeve 21 is fixedly sleeved on the outer wall of the power rod assembly 11, the bottom of the inner sleeve 21 is provided with a plurality of isolation grooves 211 extending upwards along the axial direction of the inner sleeve 21, the isolation grooves 211 are arranged at intervals around the circumferential direction of the inner sleeve 21, so that deformation extrusion blocks 212 are formed between the adjacent isolation grooves 211, the deformation extrusion blocks 212 are arranged on the outer wall of the driven rod assembly 12 in a surrounding mode, and the diameter of the inner sleeve 21 at the deformation extrusion blocks 212 is gradually increased upwards along the axial direction of the inner sleeve 21. When the outer sleeve 22 is screwed with the inner sleeve 21, the inner wall of the outer sleeve 22 is pressed against the outer walls of the deformation extrusion blocks 212, so that the diameter enclosed by the deformation extrusion blocks 212 is reduced and the power rod assembly 11 is pressed.

The telescopic connection between the power rod assembly 11 and the driven rod assembly 12 can adopt the conventional arrangement mode of a rotary mop, namely, the lifting motion of a rotary head of a lifting rod of the power rod assembly 11 is used as power input, so that the output is the rotary motion of a threaded cylinder of the driven rod assembly 12. The rotating head and the threaded barrel with the built-in threads are core components of the existing rotating mop, and the rotating head and the threaded barrel are in sliding fit.

Obviously, the outer sleeve 22 is in threaded connection with the inner sleeve 21, so that the outer sleeve 22 forcibly climbs upwards along the outer wall of the deformation extrusion block 212 through the rotating motion, and the diameter of the inner sleeve 21 at the deformation extrusion block 212 is gradually increased upwards along the axial direction of the inner sleeve 21, so that the diameter enclosed by the deformation extrusion blocks 212 is reduced and the power rod assembly 11 is pressed tightly. Therefore, the locking mode and the unlocking mode are not only reliable, light and fast.

Preferably, the drawbar 1 and the locking mechanism 2 are manufactured separately for the convenience of mold opening.

Preferably, to facilitate the hand holding and turning the outer sleeve 22, the side wall of the outer sleeve 22 is provided with a plurality of anti-slip stripes 221.

Preferably, referring to fig. 1, in order to make the hand holding more stable, a plurality of anti-slip stripes 221 are distributed at intervals along the circumference of the outer sleeve 22.

Preferably, referring to fig. 1, in order to make the holding by the human hand more stable, the anti-slip stripes 221 extend along the axial direction of the outer sleeve 22, and each anti-slip stripe 221 is protruded from the inside to the outside along the radial direction of the outer sleeve 22 to form a convex strip structure.

Preferably, the locking mechanism 2 is made of plastic material in order to make the locking mechanism 2 capable of withstanding high pressure and easily recovering its original shape.

Preferably, referring to fig. 3, the top of the inner sleeve 21 is provided with a limiting portion 213, the limiting portion 213 is spaced apart from the external thread 215 of the inner sleeve 21 by a certain distance to form a buffer groove 214, the buffer groove 214 is used for receiving the internal thread 222 (see fig. 4) of the outer sleeve 22, and the limiting portion 213 is used for axially limiting the internal thread 222 of the outer sleeve 22. With this arrangement, the buffer groove 214 can easily receive the internal thread 222 of the outer sleeve 22 to prevent the internal thread from being damaged due to excessive expansion, and the service life of the thread section of the internal thread 222 after disengagement (i.e., located in the buffer groove 214) is prolonged due to radial reduction and repair.

Preferably, the bottom of the outer sleeve 22 is of a sharp-edged structure, and the diameter of the bottom inner wall of the outer sleeve 22 gradually increases upward in the axial direction of the outer sleeve 22. With this arrangement, the pressure at the bottom of the outer sheath 22 is large, thereby ensuring reliable pressing against the outer wall of the deformed pressing block 212.

Preferably, in order to make the bottom of the outer sleeve 22 slide to the bottom of the inner sleeve 21 more easily, the bottom of the deforming extrusion block 212 has a sharp-edged structure.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Flexible locking Assembly for rotatory mop, its characterized in that: comprises a towing rod (1) and a locking mechanism (2); the mop rod (1) comprises a power rod assembly (11) and a driven rod assembly (12), the power rod assembly (11) is used for connecting a handle, the driven rod assembly (12) is used for connecting a mop head, and the power rod assembly (11) is movably sleeved with the driven rod assembly (12) so as to enable the power rod assembly and the driven rod assembly (12) to be capable of relatively rotating and telescopically connecting; the locking mechanism (2) comprises an inner sleeve (21) and an outer sleeve (22), wherein the outer sleeve (22) is sleeved outside the inner sleeve (21) and is in threaded connection with the inner sleeve (21); the inner sleeve (21) is fixedly sleeved on the outer wall of the power rod assembly (11), the bottom of the inner sleeve (21) is provided with a plurality of isolation grooves (211) extending upwards along the axial direction of the inner sleeve (21), the isolation grooves (211) are arranged in a plurality of ways, the isolation grooves (211) are arranged around the circumferential direction of the inner sleeve (21) at intervals so as to form deformation extrusion blocks (212) between adjacent isolation grooves (211), the deformation extrusion blocks (212) are arranged on the outer wall of the driven rod assembly (12) in a surrounding manner, and the diameter of the inner sleeve (21) at the deformation extrusion blocks (212) is gradually increased upwards along the axial direction of the inner sleeve (21); when the outer sleeve (22) and the inner sleeve (21) are screwed tightly, the inner wall of the outer sleeve (22) is pressed against the outer walls of the deformation extrusion blocks (212), so that the diameter enclosed by the deformation extrusion blocks (212) is reduced and the power rod assembly (11) is pressed.

2. A telescopic locking assembly according to claim 1, wherein: the towing rod (1) and the locking mechanism (2) are manufactured in a split mode.

3. The telescopic locking assembly of claim 1, wherein: the side wall of the outer sleeve (22) is provided with a plurality of anti-slip stripes (221).

4. A telescopic locking assembly according to claim 3, wherein: the anti-skid stripes (221) are distributed at intervals along the circumferential direction of the outer sleeve (22).

5. A telescopic locking assembly according to claim 4, wherein: the anti-skid strips (221) extend along the axial direction of the outer sleeve (22), and each anti-skid strip (221) bulges from inside to outside along the radial direction of the outer sleeve (22) to form a convex strip structure.

6. The telescopic locking assembly of claim 1, wherein: the locking mechanism (2) is made of plastic materials.

7. A telescopic locking assembly according to claim 1, wherein: the top of endotheca (21) is equipped with spacing portion (213), spacing portion (213) with interval certain distance is in order to form buffer slot (214) between external screw thread (215) of endotheca (21), buffer slot (214) are used for the holding the internal thread of overcoat (22), spacing portion (213) are used for to the internal thread of overcoat (22) carries out axial spacing.

8. A telescopic locking assembly according to claim 1, wherein: the bottom of the outer sleeve (22) is of a sharp edge structure, and the diameter of the inner wall of the bottom of the outer sleeve (22) is gradually enlarged upwards along the axial direction of the outer sleeve (22).

9. The telescopic locking assembly of claim 1, wherein: the bottom of the deformation extrusion block (212) is of a sharp-edged structure.