Ground brush for vacuum cleaner and vacuum cleaner with the same

Patent metadata

Field	Value
Publication number	US-9924843-B2
Application number	US-201615235507-A
Country	US
Kind code	B2
Filing date	Aug 12, 2016
Priority date	Jan 4, 2016
Publication date	Mar 27, 2018
Grant date	Mar 27, 2018

Abstract

A ground brush ( 1 ) for a vacuum cleaner includes a ground brush body ( 10 ), a brushroll cover ( 20 ), and a brushroll assembly ( 30 ). The ground brush body ( 10 ) is provided with a first mounting groove ( 101 ), in which the first mounting groove ( 101 ) has an upper opening and a lower opening in communication with each other. The brushroll cover ( 20 ) covers on the ground brush body ( 10 ), has a first end rotatably connected with the ground brush body ( 10 ) and a second end snapped into the ground brush body ( 10 ), and has a second mounting groove ( 201 ), in which the first mounting groove ( 101 ) and the second mounting groove ( 201 ) cooperate to form a mounting space. The brushroll assembly ( 30 ) includes a brushroll ( 3 ) and a driving assembly ( 302 ), in which the brushroll is mounted in the mounting space.

First claim

What is claimed is:

1. A ground brush for a vacuum cleaner, comprising:
a ground brush body provided with a first mounting groove, wherein the first mounting groove has an upper opening and a lower opening in communication with each other;
a brushroll cover covering on the ground brush body, having a first end rotatably connected with the ground brush body and a second end snapped into the ground brush body, and having a second mounting groove, wherein the first mounting groove and the second mounting groove cooperate to form a mounting space, wherein the first end of the brushroll cover is rotatably connected with the ground brush body through a rotating shaft, the rotating shaft is provided with a torsional spring, and the torsional spring is configured to make the second end of the brushroll cover normally rotate towards a direction away from the ground brush body; and
a brushroll assembly comprising a brushroll and a driving assembly, wherein the brushroll is mounted in the mounting space.

2. The ground brush according to claim 1 , wherein the second end of the brushroll cover has an outer side wall provided with at least one first snap groove, the ground brush body is provided with at least one snap cooperating with the at least one snap groove, and the at least one snap has a first end protruding a side wall of the first mounting groove and snapped into the at least one first snap groove;
the ground brush body has an upper end face provided with a mounting hole, in which a release key is mounted, the mounting hole has a first side wall provided with a communicating hole running through the side wall of the first mounting groove, the at least one snap has a second end connected with a lower end of the release key, and the release key can be pushed to drive the at least one snap to move in the communicating hole to approach or leave the side wall of the first mounting groove;
a first elastic member is supported between a second side wall of the mounting hole opposite the communicating hole and the release key, and the first elastic member can push the release key to approach the side wall of the first mounting groove, such that the first end of the snap protrudes out of the side wall of the first mounting groove.

3. The ground brush according to claim 1 , wherein the brushroll is disposed to the brushroll cover or the ground brush body.

4. The ground brush according to claim 1 , wherein the ground brush body is provided with a first locking member, the rotating shaft is provided with a second locking member, and when the brushroll cover is rotated to be opened at a certain angle, the first locking member cooperates with the second locking member to lock the brushroll cover to the ground brush body.

5. The ground brush according to claim 4 , wherein one of the first locking member and the second locking member is configured as an elastic protruding structure, and the other one thereof is configured as a first locking groove, when the rotating shaft is rotated to a position where the first locking groove corresponds to the elastic protruding structure, the elastic protruding structure is inserted into the first locking groove to lock the brushroll cover to the ground brush body.

6. The ground brush according to claim 5 , wherein the elastic protruding structure comprises an elastic locking member and a locking snapping member, the elastic locking member has a lower end connected to the ground brush body and an upper end connected with the locking snapping member, such that the elastic locking member can drive the locking snapping member to reciprocate, and the locking snapping member has an upper end face provided with a first protrusion; and
the first locking groove is formed in the rotating shaft and fitted with the first protrusion, when the rotating shaft is rotated to a position where the first locking groove corresponds to the first protrusion, the first protrusion is inserted into the first locking groove to lock the brushroll cover to the ground brush body.

7. The ground brush according to claim 6 , wherein the locking snapping member is provided with a third mounting groove with an open lower end, and the upper end of the elastic locking member is located in the third mounting groove;
the ground brush body is provided with a fourth mounting groove, a bottom wall of the fourth mounting groove is provided with a mounting column protruding upwards, and the lower end of the elastic locking member is fitted over the mounting column.

8. The ground brush according to claim 6 , wherein the rotating shaft is provided with a clearance groove, and before the brushroll cover is opened at the certain angle, an upper end face of the first protrusion abuts against a bottom wall of the clearance groove.

9. The ground brush according to claim 1 , wherein a lower end of the brushroll cover is connected with the ground brush body through the rotating shaft,
an upper end of the brushroll cover is provided with a snapping cooperating part, an upper end of the brushroll is provided with a snapping part, and the snapping part is configured to cooperate with the snapping cooperating part, such that the brushroll cover can drive the brushroll to rotate relative to the ground brush body.

10. The ground brush according to claim 9 , wherein the snapping part is configured as an elastic protrusion provided on an outer wall face of the brushroll, and the snapping cooperating part is configured as a second snap groove provided in an inner wall face of the brushroll cover; or
the snapping part is configured as a third snap groove provided in the outer wall face of the brushroll, and the snapping cooperating part is configured as an elastic protrusion provided on the inner wall face of the brushroll cover.

11. The ground brush according to claim 9 , wherein the snapping part comprises a second elastic member and a snapping member, the second elastic member has a lower end connected with an outer wall face of the brushroll and an upper end connected with the snapping member, such that the second elastic member can drive the snapping member to reciprocate, and an upper end face of the snapping member is provided with a third protrusion; and
the snapping cooperating part is configures as a fourth snap groove provided in an inner wall face of the brushroll cover and fitted the third protrusion.

12. The ground brush according to claim 11 , wherein the fourth snap groove is configured as a through groove, the brushroll cover further comprises a key which can be inserted into the through groove from top down, and when the key is inserted in the through groove, the third protrusion separates from the through groove.

13. The ground brush according to claim 9 , wherein the snapping cooperating part comprises a second elastic member and a snapping member, the second elastic member has an upper end connected to an inner wall face of the brushroll cover and a lower end connected to the snapping member, such that the second elastic member can drive the snapping member to reciprocate, and a lower end face of the snapping member is provided with a fourth protrusion; and
the snapping part is a fifth snap groove provided in an outer wall face of the brushroll and fitted with the fourth protrusion.

14. The ground brush according to claim 1 , wherein the brushroll cover is provided with a triggering part, and the ground brush body is provided with a microswitch; and
the triggering part triggers the microswitch to turn on a control circuit connected with the brushroll when the brushroll cover is closed on the ground brush body, and the triggering part releases a trigger action o

Assignees

• Jiangsu Midea Cleaning Appliances Co Ltd

Inventors

• Song Bingxian

Classifications

• A47L9/0673

  with removable brushes, combs, lips or pads · CPC title

• A47L9/0477 Primary

  Rolls · CPC title

• A47L9/2857

  User input or output elements for control, e.g. buttons, switches or displays · CPC title