Knob adjustment device

Abstract

The utility model relates to the technical field of mop provides a knob adjusting device, include: holding rod, first sleeve, second sleeve to third sleeve, first sleeve is used for installing handle, first sleeve sliding type sets up in the holding rod outside, second sleeve sets up and fixes on the holding rod, third sleeve sets up on second sleeve, and third sleeve can rotate around second sleeve, the outer surface of first sleeve has outer thread, the inner wall of third sleeve has the inner thread with outer thread cooperation, the inner wall of third sleeve has the annular boss around second sleeve, and the outer surface of second sleeve has the limiting slot that supplies annular boss and enters the ring.

Description

Technical Field

[0001] This utility model belongs to the technical field of mops, and more specifically, it relates to a knob adjustment device. Background Technology

[0002] Since its invention, the mop has been widely used in homes, offices, and various public environments. Among them, the PVA mop, with its excellent water absorption and cleaning power, has become the mainstream choice for modern households and the cleaning industry. PVA mop heads are typically made of polymer sponge or composite absorbent cotton, with evenly distributed micropores on the surface, which can quickly absorb dust, liquids, and stains on the floor. It also possesses a certain degree of chemical stability, making it less prone to aging or tearing. Compared to traditional cloth mops, PVA mops not only have a longer lifespan but also maintain high water absorption even after repeated washing, greatly improving efficiency and cleaning quality.

[0003] Most commercially available PVA mops use an upward-turning handle to squeeze and dehydrate the PVA head. The handle is usually directly attached to the handle and cannot be adjusted along the handle.

[0004] For the handle, please refer to the handle in: (Chinese Utility Model Patent; Publication No.: CN204618122U; Subject Name: A Plywood Mop; Publication Date: 2015-09-09).

[0005] For details on the squeezing and dehydration method of PVA mops, please refer to the water-squeezing structure in CN204618122U. Utility Model Content

[0006] The purpose of this invention is to provide a knob adjustment device to solve the technical problem in the prior art where the handle cannot adjust its position along the grip.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a knob adjustment device, comprising:

[0008] Grip;

[0009] First sleeve; the first sleeve is used to install the handle; the first sleeve is slidably sleeved on the outside of the grip bar;

[0010] Second sleeve; the second sleeve is fitted onto and fixed to the grip;

[0011] The third sleeve is fitted onto the second sleeve and is rotatable around the second sleeve; the outer surface of the first sleeve has an external thread, and the inner wall of the third sleeve has an internal thread that mates with the external thread; the inner wall of the third sleeve has an annular rib that surrounds the second sleeve, and the outer surface of the second sleeve has a limiting groove into which the annular rib is inserted.

[0012] Furthermore, the limiting groove is an annular groove surrounding the second sleeve.

[0013] Furthermore, a first hole is formed on the side wall of the second sleeve; a first hook is provided on the inner wall of the first hole; a limiting ring is provided on the outer wall of the second sleeve; and a limiting groove is formed between the first hook and the limiting ring.

[0014] Furthermore, it also includes: a first elastic plate; the first hook is connected to the inner wall of the first hole through the first elastic plate; the first hook can be housed in the first hole through the first elastic plate.

[0015] Furthermore, a second hole is provided on the side wall of the second sleeve; a second hook is provided on the inner wall of the second hole; the first hook is located at the first end of the second sleeve, and the second hook is located at the second end of the second sleeve; the first sleeve is sleeved on the outside of the second end of the second sleeve; a strip-shaped hole is provided on the first sleeve; the strip-shaped hole extends along the axial direction of the first sleeve; the second hook extends into the strip-shaped hole.

[0016] Furthermore, it also includes: a second elastic plate; the second hook body is connected to the inner wall of the second hole through the second elastic plate; the second hook body can enter the first sleeve through the second elastic plate.

[0017] Furthermore, it also includes: a first positioning hole formed on the second sleeve, a second positioning hole formed on the grip, and a positioning pin; the positioning pin passes through the first positioning hole and the second positioning hole.

[0018] Furthermore, the positioning pin is arranged perpendicular to the axis of the grip.

[0019] Furthermore, it also includes: a handle; the handle is rotatably mounted on the first sleeve via a pivot.

[0020] Furthermore, the rotating shaft is arranged perpendicular to the axis of the first sleeve.

[0021] The advantages of the knob adjustment device provided by this utility model are as follows: Compared with the prior art, the knob adjustment device provided by this utility model has a first sleeve sleeved on the outer side of the handle, which can slide along the handle and has a handle that can move with the first sleeve; a second sleeve sleeved on the handle and fixed to the handle; a third sleeve sleeved on the second sleeve and rotatable relative to the second sleeve; an annular rib on the inner wall of the third sleeve and a limiting groove on the outer surface of the second sleeve, the annular rib being engaged in the limiting groove, and the annular rib sliding in the limiting groove when the third sleeve rotates around the second sleeve; an external thread on the outer surface of the first sleeve and an internal thread on the inner wall of the third sleeve, the internal thread and the external thread being threadedly connected, so that when the user rotates the third sleeve, the third sleeve can drive the first sleeve to adjust its position along the handle; the position of the handle can be adjusted when the position of the first sleeve changes. Attached Figure Description

[0022] Figure 1 A three-dimensional assembly diagram of the knob adjustment device provided in this embodiment of the utility model;

[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 This is a front view assembly diagram of the knob adjustment device provided in an embodiment of the present utility model;

[0025] Figure 4 for Figure 3 Schematic diagram of the cross section at point BB;

[0026] Figure 5 for Figure 4 The C-direction view in the middle;

[0027] Figure 6 A three-dimensional schematic diagram of the handle and the first sleeve provided in an embodiment of this utility model;

[0028] Figure 7 A three-dimensional schematic diagram of the first sleeve and the second sleeve mating according to an embodiment of this utility model;

[0029] Figure 8 This is a three-dimensional schematic diagram of the second sleeve provided for an embodiment of the present utility model.

[0030] The following are the labeling elements in the figure:

[0031] 1-Holding handle; 21-First sleeve; 211-External thread; 212-Strip hole; 22-Second sleeve; 221-Limiting groove; 222-First hole; 223-First hook body; 224-First elastic plate; 225-Second hole; 226-Second hook body; 227-Second elastic plate; 2281-First positioning hole; 2282-Second positioning hole; 2283-Positioning pin; 229-Limiting ring; 23-Third sleeve; 231-Internal thread; 232-Rotating shaft; 233-Annular rib; 3-Handle. Detailed Implementation

[0032] It should be noted that the specific embodiments are only used to explain the present invention and are not intended to limit the present invention.

[0033] It should be noted that, in the description of the embodiments of this application, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. The "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Here, A and B can be singular or plural, respectively.

[0034] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as "connected to" or "attached to" another component, it can be directly connected to or indirectly connected to that other component. When a component is referred to as "fixed to" or "set on" another component, it can be directly on or indirectly on that other component.

[0035] It should be noted that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.

[0037] It should be noted that the term "multiple" means two or more, unless otherwise explicitly specified.

[0038] Please refer to the following: Figures 1 to 7 The knob adjustment device provided by this utility model will now be described. The knob adjustment device includes: a handle 1, a first sleeve 21, a second sleeve 22, and a third sleeve 23; the first sleeve 21 is used to install the handle 3; the first sleeve 21 is slidably sleeved on the outside of the handle 1; the second sleeve 22 is sleeved and fixed on the handle 1; the third sleeve 23 is sleeved on the second sleeve 22, and the third sleeve 23 can rotate around the second sleeve 22; the outer surface of the first sleeve 21 has an external thread 211, and the inner wall of the third sleeve 23 has an internal thread 231 that mates with the external thread 211; the inner wall of the third sleeve 23 has an annular rib 233 surrounding the second sleeve 22, and the outer surface of the second sleeve 22 has a limiting groove 221 for the annular rib 233 to be inserted.

[0039] Thus, a first sleeve 21 is fitted onto the outer side of the grip 1, and the first sleeve 21 can slide along the grip 1. A handle 3 can be installed on the first sleeve 21, and the handle 3 can move with the first sleeve 21. A second sleeve 22 is fitted onto the grip 1 and is fixed to the grip 1. A third sleeve 23 is fitted onto the second sleeve 22 and can rotate relative to the second sleeve 22. The inner wall of the third sleeve 23 has an annular rib 233, and the outer surface of the second sleeve 22 has a limiting groove 221. Rib 233 is engaged in the limiting groove 221. When the third sleeve 23 rotates around the second sleeve 22, the annular rib 233 can slide in the limiting groove 221. The outer surface of the first sleeve 21 has an external thread 211, and the inner wall of the third sleeve 23 has an internal thread 231. The internal thread 231 and the external thread 211 are threaded together. When the user rotates the third sleeve 23, the third sleeve 23 can drive the first sleeve 21 to adjust its own position along the handle 1. When the position of the first sleeve 21 changes, the position of the handle 3 can be adjusted.

[0040] In one embodiment, the annular rib 233 extends along the circumferential direction of the third sleeve 23.

[0041] In one embodiment, the limiting groove 221 extends along the circumferential direction of the second sleeve 22.

[0042] In one embodiment, the first sleeve 21, the second sleeve 22, the third sleeve 23, and the grip 1 are coaxially arranged.

[0043] Further, please refer to Figures 1 to 7 In one specific embodiment of the knob adjustment device provided by this utility model, the limiting groove 221 is an annular groove surrounding the second sleeve 22. Thus, the annular rib 233 can rotate around the second sleeve 22 when it moves along the annular groove.

[0044] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, a first hole 222 is provided on the side wall of the second sleeve 22; a first hook 223 is provided on the inner wall of the first hole 222; a limiting ring 229 is provided on the outer wall of the second sleeve 22; a limiting groove 221 is formed between the first hook 223 and the limiting ring 229. Thus, when the second rib rotates around the second sleeve 22, the annular rib 233 is restricted between the first hook 223 and the limiting ring 229.

[0045] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, it further includes: a first elastic plate 224; a first hook 223 connected to the inner wall of the first hole 222 through the first elastic plate 224; the first hook 223 can be housed in the first hole 222 through the first elastic plate 224. Thus, the first hook 223 is connected to the first elastic plate 224; under the action of external force, when the first elastic plate 224 deforms, the first hook 223 can enter the first hole 222, so that the first hook 223 can be pulled out from or enter the third sleeve 23, facilitating the separation between the second sleeve 22 and the third sleeve 23.

[0046] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, a second hole 225 is provided on the side wall of the second sleeve 22; a second hook 226 is provided on the inner wall of the second hole 225; a first hook 223 is located at the first end of the second sleeve 22, and a second hook 226 is located at the second end of the second sleeve 22; a first sleeve 21 is sleeved on the outside of the second end of the second sleeve 22; a strip-shaped hole 212 is provided on the first sleeve 21; the strip-shaped hole 212 extends along the axial direction of the first sleeve 21; the second hook 226 extends into the strip-shaped hole 212. Thus, the second hook 226 is located in the strip-shaped hole 212, so that the second hook 226 can limit the sliding position of the first sleeve 21 through the strip-shaped hole 212.

[0047] In one embodiment, the limiting groove 221 is located at the first end of the second sleeve 22.

[0048] Further, please refer to Figures 1 to 7As a specific embodiment of the knob adjustment device provided by this utility model, it further includes: a second elastic plate 227; a second hook 226 connected to the inner wall of the second hole 225 through the second elastic plate 227; the second hook 226 can enter the first sleeve 21 through the second elastic plate 227. Thus, the second hook 226 is connected to the second elastic plate 227; under the action of external force, when the second elastic plate 227 deforms, the second hook 226 can enter the first sleeve 21, so that the second hook 226 can be pulled out from or enter the first sleeve 21, facilitating the separation between the first sleeve 21 and the second sleeve 22.

[0049] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, it further includes: a first positioning hole 2281 formed on the second sleeve 22, a second positioning hole 2282 formed on the grip 1, and a positioning pin 2283; the positioning pin 2283 passes through the first positioning hole 2281 and the second positioning hole 2282. In this way, the positioning pin 2283 can lock the second sleeve 22 onto the grip 1.

[0050] Further, please refer to Figures 1 to 7 In one specific embodiment of the knob adjustment device provided by this utility model, the positioning pin 2283 is arranged perpendicularly to the axis of the grip 1. Thus,

[0051] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, it further includes: a handle 3; the handle 3 is rotatably mounted on the first sleeve 21 via a rotating shaft. Thus, when the first sleeve 21 slides along the grip 1, the handle 3 can move with the first sleeve 21; and the handle 3 can rotate around the rotating shaft.

[0052] Further, please refer to Figures 1 to 7 As a specific embodiment of the knob adjustment device provided by this utility model, the rotating shaft is set perpendicular to the axis of the first sleeve 21.

[0053] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A knob adjustment device, characterized in that, include: Grip; First sleeve; the first sleeve is used to install the handle; the first sleeve is slidably sleeved on the outside of the grip bar; Second sleeve; the second sleeve is fitted onto and fixed to the grip; The third sleeve is fitted onto the second sleeve and is rotatable around the second sleeve; the outer surface of the first sleeve has an external thread, and the inner wall of the third sleeve has an internal thread that mates with the external thread; the inner wall of the third sleeve has an annular rib that surrounds the second sleeve, and the outer surface of the second sleeve has a limiting groove into which the annular rib is inserted.

2. The knob adjustment device as described in claim 1, characterized in that, The limiting groove is an annular groove surrounding the second sleeve.

3. The knob adjustment device as described in claim 1, characterized in that, The second sleeve has a first hole on its side wall; a first hook is provided on the inner wall of the first hole; a limit ring is provided on the outer wall of the second sleeve; and a limit groove is formed between the first hook and the limit ring.

4. The knob adjustment device as described in claim 3, characterized in that, Also includes: First elastic plate; the first hook body is connected to the inner wall of the first hole through the first elastic plate; The first hook can be housed in the first hole through the first elastic plate.

5. The knob adjustment device as described in claim 3, characterized in that, The second sleeve has a second hole on its side wall; a second hook is provided on the inner wall of the second hole; the first hook is located at the first end of the second sleeve, and the second hook is located at the second end of the second sleeve; the first sleeve is sleeved on the outside of the second end of the second sleeve; the first sleeve has a strip-shaped hole; the strip-shaped hole extends along the axial direction of the first sleeve; the second hook extends into the strip-shaped hole.

6. The knob adjustment device as described in claim 5, characterized in that, Also includes: The second elastic plate; the second hook is connected to the inner wall of the second hole through the second elastic plate; the second hook can enter the first sleeve through the second elastic plate.

7. The knob adjustment device as described in claim 1, characterized in that, Also includes: A first positioning hole is formed on the second sleeve, a second positioning hole is formed on the grip, and a positioning pin is formed; the positioning pin passes through the first positioning hole and the second positioning hole.

8. The knob adjustment device as described in claim 7, characterized in that, The positioning pin is perpendicular to the axis of the grip.

9. The knob adjustment device as described in claim 1, characterized in that, Also includes: Handle; the handle is rotatably mounted on the first sleeve via a pivot.

10. The knob adjustment device as described in claim 9, characterized in that, The rotating shaft is perpendicular to the axis of the first sleeve.

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