Connecting structure of cleaning brush head and handle

Abstract

A connecting structure of a cleaning brush head and a handle is characterized in that a first annular connecting piece is arranged in the center of one end of the brush head, semicircular grooves are formed in the brush head at the two ends of the first annular connecting piece, a second annular connecting piece is arranged at one end of a connecting seat, and a notch for embedding the first annular connecting piece is formed in the center of the second annular connecting piece; the first annular connecting piece is inserted into the notch of the second annular connecting piece and is connected, loosened and loosened through a locking structure. The device has the advantages of being convenient to operate, simple in structure and not prone to damage; a hidden design is adopted; and multi-section angle adjustment can be realized.

Description

Technical Field

[0001] The utility model relates to a connection structure between a cleaning brush head and a handle. Background Art

[0002] The existing cleaning brush with adjustable cleaning angle has a complex adjustment structure, needs to be unlocked before adjustment, and locked again after adjustment, and is not a hidden adjustment structure. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a connection structure between a cleaning brush head and a handle.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a connection structure between a cleaning brush head and a handle, comprising a brush head and a connecting seat, a first annular connecting piece is provided in the center of one end of the brush head, semicircular grooves are provided on the brush head at both ends of the first annular connecting piece, a second annular connecting piece is provided at one end of the connecting seat, a notch is provided in the center of the second annular connecting piece for engaging the first annular connecting piece, the first annular connecting piece is inserted into the notch of the second annular connecting piece, and is connected to be tightened and loosened through a locking structure.

[0005] Furthermore, the locking structure includes a first elastic member, a first button, a first locking member, a first axis, a second elastic member, a second button, a second locking member and a second axis. The first button and the second button are arranged opposite to each other. The first button is provided with a first axis, which passes through the first locking member and abuts against the second locking member. A first elastic member is provided between the first button and the first locking member. The second button is provided with a second axis, which passes through the second locking member and abuts against the first locking member. A second elastic member is provided between the second button and the second locking member. When the first button is pressed, the second locking member is driven to move toward the second button. When the second button is pressed, the first locking member is driven to move toward the first button.

[0006] Furthermore, locking protrusions are provided on the outer side walls of the first locking member and the second locking member, and the first annular connecting member is provided with a first locking track; a second locking track is provided on the inner side wall of the second annular connecting member, and the locking protrusion moves between the first locking track and the second locking track, entering and leaving the first locking track.

[0007] Furthermore, skirts are provided on opposite sides of the first button and the second button to form a first positioning cavity, and positioning guide tracks are provided on outer sides of the first button and the second button.

[0008] Furthermore, a circle of protrusions is provided on the opposite sides of the first locking member and the second locking member to form a second positioning cavity, and positioning guide tracks are provided on the outer sides of the first locking member and the second locking member.

[0009] Furthermore, both ends of the first elastic member and the second elastic member are arranged in the corresponding first positioning cavity and the second positioning cavity.

[0010] Furthermore, a positioning guide protrusion corresponding to the positioning guide track is also provided on the inner side of the second annular connecting member.

[0011] Furthermore, buckles for engagement are provided on the skirt edges of the first button and the second button, and a slot matching the buckles is also provided on the inner side of the second annular connecting member.

[0012] Furthermore, the outer sides of the first button, the second button, the first locking member and the second locking member match the inner annular diameters of the inner sides of the first annular connecting member and the second annular connecting member.

[0013] Furthermore, arc-shaped recesses are provided on the back-to-back sides of the first button and the second button.

[0014] The utility model has the advantages of convenient operation, simple structure, not easy to be damaged, hidden design and multi-stage angle adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the schematic diagram of the device structure Figure 1 .

[0016] Figure 2 This is the schematic diagram of the device structure Figure 2 .

[0017] Figure 3 It is a schematic diagram of the connecting seat structure.

[0018] Figure 4 This is a schematic diagram of the brush head and locking structure. Figure 1 .

[0019] Figure 5 This is a schematic diagram of the brush head and locking structure. Figure 2 .

[0020] Figure 6 It is a schematic diagram of the brush head structure.

[0021] Figure 7 It is a locking structure diagram Figure 1 .

[0022] Figure 8 It is a locking structure diagram Figure 2 .

[0023] Fig. 9 It is a cross-sectional view of the locking structure. DETAILED DESCRIPTION

[0024] The following will be combined with the attached embodiment of the utility model Figure 1-9 , the technical solutions in the embodiments of the utility model are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Example 1 Reference Figure 1-9 A connection structure between a cleaning brush head and a handle comprises a brush head 1 and a connection seat 2, a first annular connection piece 3 is provided in the center of one end of the brush head, semicircular grooves 4 are provided on the brush head at both ends of the first annular connection piece, a second annular connection piece 5 is provided at one end of the connection seat, a notch 6 for engaging the first annular connection piece is provided in the center of the second annular connection piece, the first annular connection piece is inserted into the notch of the second annular connection piece, and is connected to be tightened and loosened through a locking structure 7.

[0026] A connection structure between a cleaning brush head and a handle, a locking structure 7 comprises a first elastic member 71, a first button 72, a first locking member 73, a first shaft 74, a second elastic member 75, a second button 76, a second locking member 77 and a second shaft 78, the first button and the second button are arranged opposite to each other, a first shaft is arranged on the first button, the first shaft passes through the first locking member and abuts against the second locking member, a first elastic member is arranged between the first button and the first locking member, a second shaft is arranged on the second button, the second shaft passes through the second locking member and abuts against the first locking member, a second elastic member is arranged between the second button and the second locking member, when the first button is pressed, the second locking member is driven to move toward the second button, and when the second button is pressed, the first locking member is driven to move toward the first button.

[0027] The first shaft passes through the circular hole on the first locking piece and is connected with the second locking piece.

[0028] The second shaft passes through the circular hole on the second locking piece and is connected with the first locking piece.

[0029] A connection structure between a cleaning brush head and a handle, wherein a locking protrusion 79 is provided on the outer side walls of a first locking member and a second locking member, and a first locking track 8 is provided on the first annular connecting member; a second locking track 9 is provided on the inner side wall of the second annular connecting member, and the locking protrusion moves between the first locking track and the second locking track, entering and leaving the first locking track.

[0030] The locking protrusions are symmetrically distributed on the outer side walls of the first locking member and the second locking member.

[0031] The first annular connecting piece is provided with a plurality of first locking tracks; and the inner side wall of the second annular connecting piece is provided with a second locking track.

[0032] Press the first button to drive the second locking member to move toward the second button through the first shaft, so that all the locking protrusions of the second locking member enter the second locking track and leave the first locking track;

[0033] By pressing the second button, the first locking member is driven to move toward the first button through the second axis, and then the locking protrusions of the first locking member all enter the second locking track and leave the first locking track; then the angle can be adjusted by unlocking, and the corresponding first locking track can be selected. The first button and the second button can be released and reset and locked through the first elastic member and the second elastic member.

[0034] The entrance of the first locking track is in an outwardly expanding trumpet shape.

[0035] A connection structure between a cleaning brush head and a handle, wherein a first button and a second button are provided with skirts on opposite sides to form a first positioning cavity, and positioning guide tracks 10 are provided outside the first button and the second button.

[0036] A connection structure between a cleaning brush head and a handle, wherein a circle of protrusions are arranged on the back-to-back sides of a first locking member and a second locking member to form a second positioning cavity, and positioning guide tracks are arranged on the outer sides of the first locking member and the second locking member.

[0037] A connection structure between a cleaning brush head and a handle, wherein both ends of a first elastic member and a second elastic member are arranged in corresponding first positioning cavities and second positioning cavities.

[0038] A connection structure between a cleaning brush head and a handle, wherein a positioning guide protrusion 11 corresponding to a positioning guide track is provided on the inner side of a second annular connection member.

[0039] A connection structure between a cleaning brush head and a handle, wherein a first button and a second button skirt are provided with a snap buckle 12 for engagement, and a snap groove 13 for matching the snap buckle is also provided on the inner side of a second annular connecting piece.

[0040] A connection structure between a cleaning brush head and a handle, wherein the outer sides of a first button, a second button, a first locking member and a second locking member match the inner annular diameters of the first annular connecting member and the inner sides of the second annular connecting member.

[0041] A connection structure between a cleaning brush head and a handle, wherein arc-shaped recesses are arranged on the back-to-back sides of a first button and a second button.

[0042] Easy to operate, simple structure, not easy to damage; hidden design; can be adjusted in multiple angles.

[0043] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A connection structure between a cleaning brush head and a handle, comprising a brush head and a connection seat, characterized in that: A first annular connector is provided in the center of one end of the brush head, semicircular grooves are provided on the brush head at both ends of the first annular connector, a second annular connector is provided at one end of the connecting seat, a notch is provided in the center of the second annular connector for engaging the first annular connector, the first annular connector is inserted into the notch of the second annular connector, and is connected to be tightened and loosened through a locking structure.

2. The connection structure between a cleaning brush head and a handle according to claim 1, characterized in that: The locking structure includes a first elastic member, a first button, a first locking member, a first axis, a second elastic member, a second button, a second locking member and a second axis. The first button and the second button are arranged opposite to each other. The first button is provided with a first axis, the first axis passes through the first locking member and abuts against the second locking member, a first elastic member is provided between the first button and the first locking member, the second button is provided with a second axis, the second axis passes through the second locking member and abuts against the first locking member, a second elastic member is provided between the second button and the second locking member, when the first button is pressed, the second locking member is driven to move toward the second button, and when the second button is pressed, the first locking member is driven to move toward the first button.

3. The connection structure between a cleaning brush head and a handle according to claim 2, characterized in that: The first locking member and the second locking member are provided with locking protrusions on their outer side walls, and the first annular connecting member is provided with a first locking track; the second annular connecting member is provided with a second locking track on its inner side wall, and the locking protrusion moves between the first locking track and the second locking track, entering and leaving the first locking track.

4. The connection structure between a cleaning brush head and a handle according to claim 3, characterized in that: A skirt is provided on the opposite sides of the first key and the second key to form a first positioning cavity, and a positioning guide track is provided on the outer sides of the first key and the second key.

5. The connection structure between a cleaning brush head and a handle according to claim 4, characterized in that: A circle of protrusions is arranged on the opposite sides of the first locking member and the second locking member to form a second positioning cavity, and positioning guide tracks are arranged on the outer sides of the first locking member and the second locking member.

6. The connection structure between a cleaning brush head and a handle according to claim 5, characterized in that: Both ends of the first elastic member and the second elastic member are arranged in the corresponding first positioning cavity and the second positioning cavity.

7. The connection structure between a cleaning brush head and a handle according to claim 5, characterized in that: A positioning guide protrusion corresponding to the positioning guide track is also provided on the inner side of the second annular connecting member.

8. The connection structure between a cleaning brush head and a handle according to claim 4, characterized in that: Buckles for engagement are arranged on the skirt edges of the first button and the second button, and a slot matching the buckles is also arranged on the inner side of the second annular connecting member.

9. The connection structure between a cleaning brush head and a handle according to claim 5, characterized in that: The outer sides of the first button, the second button, the first locking member and the second locking member match the inner annular diameters of the first annular connecting member and the second annular connecting member.

10. The connection structure between a cleaning brush head and a handle according to claim 4, characterized in that: The first button and the second button are provided with arc-shaped recesses on opposite sides.

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