CN-117248479-B - Elastic anti-collision side brush device and floor sweeping machine

CN117248479BCN 117248479 BCN117248479 BCN 117248479BCN-117248479-B

Abstract

The invention provides an elastic anti-collision side brush device and a floor sweeping machine, which comprise a telescopic component, a lifting component and an outer swing component, wherein the outer swing component comprises an outer swing fixing support, an outer swing rotating support, an outer swing torsion spring, an outer swing limiting column and a torsion adjusting column, the outer swing limiting column is positioned at the front end of the outer swing torsion spring in the vehicle length direction and is fixedly connected with the outer swing fixing support, the outer swing rotating support is provided with a limiting plate at the periphery of a first hinge rod, the limiting plate can be abutted with the outer swing limiting column, the outer swing rotating support is provided with a plurality of positioning holes at the periphery of the outer swing torsion spring, the positioning holes are distributed along the radial direction of the first hinge rod, the torsion adjusting column can be connected with one of the positioning holes, and the second end of the outer swing torsion spring is abutted with the torsion adjusting column. The resilience force of the outward-swinging torsion spring can be reduced after the outward-swinging torsion spring is used for a long time, so that the outward-swinging torsion spring can be selectively connected with one positioning hole through the torsion adjusting column, and then the torsion adaptation adjustment of the outward-swinging torsion spring is realized.

Inventors

WANG SHAOCUI
FENG WENHAO
ZHONG XIAOMING

Assignees

珠海亿华电动车辆有限公司

Dates

Publication Date: 20260508
Application Date: 20230921

Claims (9)

1. The elastic anti-collision side brush device comprises a telescopic assembly, a lifting assembly and an outward swinging assembly, wherein the telescopic assembly comprises a telescopic driving device, a telescopic fixed support and a telescopic rotating support, the lifting assembly comprises a lifting driving device and a lifting connecting rod, the telescopic rotating support is hinged to the telescopic fixed support, the telescopic driving device is connected with the telescopic rotating support and drives the telescopic rotating support to rotate in the horizontal direction, the fixed end of the lifting driving device and the fixed end of the lifting connecting rod are respectively hinged to the telescopic rotating support, the free end of the lifting driving device is hinged to the lifting connecting rod, and the lifting driving device and the lifting connecting rod can rotate in the vertical direction; the method is characterized in that: The outer swing assembly comprises a sweeping brush, a sweeping brush driving device, an outer swing fixing support, an outer swing rotating support, an outer swing torsion spring, an outer swing limit column and a torsion adjusting column, wherein the outer swing fixing support is hinged with the free end of the lifting connecting rod and can move along with the free end of the lifting connecting rod in the vertical direction; The outer swinging and rotating support is hinged with the outer swinging and rotating support through a first hinge rod, the lifting connecting rod extends along the vehicle length direction, the outer swinging and rotating support extends along the vehicle width direction and can rotate in the horizontal direction, the sweeping brush driving device is arranged on the outer swinging and rotating support, the sweeping brush is connected with the sweeping brush driving device, the outer swinging torsion spring is sleeved outside the first hinge rod, and the first end of the outer swinging torsion spring is abutted with the outer swinging and rotating support; the outer swing limiting column is positioned at the front end of the outer swing torsion spring in the vehicle length direction and is fixedly connected with the outer swing fixing support, the outer swing rotating support is provided with a limiting plate at the periphery of the first hinge rod, and the limiting plate can be adjacent to the outer swing limiting column; The outer swinging and rotating bracket is provided with a plurality of positioning holes at the periphery of the outer swinging torsion spring, the positioning holes are distributed along the radial direction of the first hinge rod, the torsion adjusting column can be connected with one of the positioning holes, and the second end of the outer swinging torsion spring is abutted with the torsion adjusting column; The telescopic fixed support is hinged with the telescopic rotating support through a second hinge rod, and the telescopic assembly further comprises a telescopic torsion spring which is sleeved outside the second hinge rod and is abutted between the telescopic fixed support and the telescopic rotating support; the driving end of the telescopic driving device is provided with a telescopic chute extending along the horizontal direction, the telescopic rotating support is provided with a telescopic limit column, and the telescopic limit column penetrates through the telescopic chute and can move in the telescopic chute.
2. The side brush assembly of claim 1 wherein: the outer swing fixing bracket is provided with a first C-shaped mounting groove penetrating along the vertical direction and a second C-shaped mounting groove penetrating along the horizontal direction, the outer swing rotating bracket is provided with a third C-shaped mounting groove extending along the horizontal direction; the free end of the lifting connecting rod is hinged in the first C-shaped mounting groove, the end part of the outer swinging and rotating bracket is connected in the second C-shaped mounting groove, the first hinge rod penetrates through the end part of the outer swinging and rotating bracket and the second C-shaped mounting groove, and the outer swinging torsion spring is positioned in the third C-shaped mounting groove.
3. The side brush assembly of claim 2 wherein: the outward swing limit posts are arranged along the vertical direction and penetrate through the second C-shaped mounting groove.
4. The side brush assembly of claim 2 wherein: the plurality of locating holes penetrate through the third C-shaped mounting groove along the vertical direction, and the torsion adjusting column is arranged along the vertical direction and connected with the outward swing rotating bracket.
5. The side brush assembly of claim 2 wherein: The lifting component comprises two lifting connecting rods which are arranged in a plate shape, are arranged in parallel along the vertical direction and are hinged between the telescopic rotating bracket and the first C-shaped mounting groove; the two lifting connecting rods penetrate through holes in the vertical direction, and the lifting driving device is located in the two through holes.
6. The side brush assembly of claim 5 wherein: The free end of the lifting driving device is hinged with the lifting connecting rod positioned below.
7. The side brush assembly of claim 5 wherein: The telescopic rotating support is characterized in that the fixed end of the lifting driving device is provided with a lifting limiting column extending along the vertical direction based on the rear end of the vehicle length direction, and the lifting limiting column can be adjacent to the lifting driving device.
8. The side brush assembly of claim 1 wherein: the outward swing rotating bracket extends toward the second hinge rod based on the vehicle width direction outer side; The telescopic assembly further comprises a rotation limiting column, the rotation limiting column is positioned on the outer side of the second hinge rod in the vehicle width direction and fixedly connected with the telescopic fixed support, and the rotation limiting column can be adjacent to the telescopic rotating support; the telescopic chute and the rotation limiting column are both positioned on the inner side of the second hinge rod in the vehicle width direction.
9. The floor sweeping machine is characterized by comprising a frame and the side brush device according to any one of claims 1 to 8, wherein the telescopic driving device and the telescopic fixed support are fixedly arranged on the frame.

Description

Elastic anti-collision side brush device and floor sweeping machine Technical Field The invention relates to the field of new energy sanitation equipment, in particular to an elastic anti-collision side brush device and a sweeper. Background Ground sweepers are generally available on the market, which generally have wheels for travelling along the ground and at least one rotatable brush for sweeping the ground and a suction device, by means of which the ground can be swept, for example streets, sidewalks, parks or parking lots, etc. The sweeper generally travels in the form of a vehicle, the suction device may be provided in a rear region of the vehicle, and the vehicle may have a driver's seat in a front region, the sweeper device may be provided in front of a traveling direction of the sweeper, and the sweeper device may be lowered and opened and driven to rotate when cleaning is required, and lifted and retracted when cleaning is not required, thereby improving traveling efficiency. In addition, the sweeper not only needs to meet the requirement of larger sweeping width, but also needs to pass through and work smoothly when passing through a narrow road, the conventional sweeper generally reduces the passing width of the sweeper by impacting and shrinking or electrically shrinking the edge brush on the narrow road through a spring, the structure is complex, the function is single, the conventional part cannot sweep the steps beside the road, and the applicability is low in the face of complex working areas. Disclosure of Invention A first object of the present invention is to provide an elastic anti-collision side brush device. The second object of the invention is to provide a sweeper with the side brush device. In order to achieve the first object of the present invention, the present invention provides an elastic anti-collision side brush device, comprising a telescopic assembly, a lifting assembly and an outer swing assembly, wherein the telescopic assembly comprises a telescopic driving device, a telescopic fixed bracket and a telescopic rotating bracket, the telescopic fixed bracket is hinged to the telescopic fixed bracket, the telescopic driving device is connected with the telescopic rotating bracket and drives the telescopic rotating bracket to rotate in the horizontal direction, the fixed end of the lifting driving device and the fixed end of the lifting connecting rod are respectively hinged to the telescopic rotating bracket, the free end of the lifting driving device is hinged to the lifting connecting rod, the lifting driving device and the lifting connecting rod can rotate in the vertical direction, the outer swing assembly comprises a broom, a broom driving device, an outer swing fixed bracket, an outer swing rotating bracket, an outer swing torsion spring, an outer swing limiting post and a torsion adjusting post, the outer swing fixed bracket is hinged to the free end of the lifting connecting rod in the vertical direction, the outer swing fixed bracket is hinged to the free end of the outer swing limiting post, the outer swing connecting rod extends in the longitudinal direction along the vehicle width direction, the outer swing fixed bracket extends in the horizontal direction, the outer swing rotating bracket can rotate in the horizontal direction, the free end of the lifting rotating bracket is hinged to the first hinge rod is arranged on the outer swing bracket, the outer swing limiting post is arranged on the outer swing bracket and is connected with the outer swing limiting post, the outer swing limiting post is arranged on the outer swing limiting post, and the outer swing limiting post is arranged on the outer swing limiting swing. The torsion adjusting column can be connected with one of the positioning holes, and the second end of the outward swinging torsion spring is abutted with the torsion adjusting column. According to the scheme, the sweeping brush is driven in a horizontal telescopic mode through the telescopic component, the sweeping brush is driven in a vertical lifting mode through the lifting component, then different sweeping widths and sweeping heights can be matched with the sweeping brush, moreover, the sweeping brush can be elastically abutted between the outer swing fixing support and the outer swing rotating support through the outer swing torsion spring, then the elastic movement of the outer swing fixing support in the horizontal direction can be achieved, when an obstacle is encountered, the elastic anti-collision of the sweeping brush in the horizontal direction can be achieved, furthermore, the resilience force of the outer swing torsion spring can be reduced after the sweeping brush is used for a long time, therefore the torsion adjusting column can be selectively connected with one positioning hole, further, the torsion adaptation adjustment of the outer swing torsion spring is achieved, the limiting plate and the adjacent limiting plate of the outer