Scraper and accessory for scraper

1 . A scraper, comprising:

a scraper body, arranged with a first blade; and

a scraper component, arranged with a second blade, wherein a width of the second blade is unequal to a width of the first blade;

wherein the scraper is configured to switch assembly states between using the first blade and using the second blade;

wherein when the scraper body and the scraper component are in a separated state, the first blade is in a usable state;

wherein when the scraper body and the scraper component are in an assembled state, the second blade is in the usable state;

an end of the scraper component away from the second blade is arranged with a connecting portion; the first blade is arranged at a connecting end of the scraper body; and

when the scraper body and the scraper component are in the assembled state, the connecting end of the scraper body is connected to the connecting portion of the scraper component, and a cutting edge of the first blade and a cutting edge of the second blade face away from the connecting end.

2 . The scraper according to claim 1 , wherein the scraper component defines a connecting cavity;

the assembled state comprises a first assembled state, and when the scraper is in the first assembled state, the connecting end is inserted in the connecting cavity, the first blade is received in the connecting cavity, and the first blade is in the unusable state.

3 . The scraper according to claim 2 , wherein a cavity wall for defining the connecting cavity defines a first limiting hole, the connecting end is arranged with a connecting protrusion, and when the scraper is in the first assembled state, the connecting protrusion is engaged in the first limiting hole.

4 . The scraper according to claim 2 , wherein the scraper component comprises a bottom wall and a top wall which are arranged opposite each other and cooperatively define the connecting cavity, the connecting end comprises a bottom face and a top face, and when the scraper is in the first assembled state, the bottom face faces the bottom wall, and the top face faces the top wall;

the bottom wall defines a first limiting hole, the top wall defines a second limiting hole, each of the first limiting hole and the second limiting hole is communicated to the connecting cavity;

the assembled state further comprises a second assembled state and a third assembled state;

when the scraper is in the second assembled state, the connecting end passes through the first limiting hole, the connecting cavity, and the second limiting hole, the bottom face faces the scraper component, and the second blade is in the usable state;

when the scraper is in the third assembled state, the connecting end passes through the first limiting hole, the connecting cavity, and the second limiting hole, the top face faces the scraper component, and both the first blade and the second blade are in the usable state.

5 . The scraper according to claim 4 , wherein the scraper component comprises a first inclined wall and second inclined wall which are arranged opposite each other and cooperatively define the first limiting hole, and the scraper component comprises a third inclined wall which is coplanar with the second inclined wall and defines the second limiting hole;

when the scraper is in the second assembled state, the bottom face abuts against the second inclined wall and the third inclined wall, and the top face abuts against the first inclined wall;

when the scraper is in the third assembled state, the bottom face abuts against the first inclined wall, and the top face abuts against the second inclined wall and the third inclined wall.

6 . The scraper according to claim 5 , wherein the bottom face defines a first engaging recess, the third inclined wall is arranged with a limiting protrusion configured to be engaged in the first engaging recess, so that the third inclined wall maintains the scraper in the second assembled state.

7 . The scraper according to claim 4 , wherein when the scraper is in the third assembled state, a connecting protrusion is located in the connecting cavity, and the connecting protrusion abuts against the top wall and prevents the connecting end from disengaging from the scraper component through the second limiting hole.

8 . The scraper according to claim 4 , wherein the bottom face is arranged with an abutting protrusion, and when the scraper is in the third assembled state, the abutting protrusion is located out of the connecting cavity, and the abutting protrusion abuts against an inner wall for defining the second limiting hole and prevents the connecting end from disengaging from the scraper component through the second limiting hole.

9 . The scraper according to claim 2 , wherein the scraper component defines a through-inclined hole, the inclined hole is isolated from the connecting cavity, and when the connecting end passes through the inclined hole, at least one of the first blade and the second blade is in the usable state.

10 . The scraper according to claim 2 , wherein the connecting cavity has an opening communicated with an outside, the connecting cavity comprises a first cavity and a second cavity communicated with the first cavity, the second cavity is located on a side of the first cavity away from the opening, a thickness of the first cavity is greater than a thickness of the second cavity, and an inner wall for defining the first cavity close to the second cavity is recessed to form a limiting face facing the opening;

when the scraper is in the first assembled state, the first blade is located in the second cavity, an end wall of the connecting end abuts against the limiting face and an abutment between the end wall of the connecting end and the limiting face limits a movement of the connecting end to the second cavity.

11 . The scraper according to claim 2 , wherein the connecting cavity has an opening longitudinally formed and a side opening laterally formed;

the side opening is located between the opening and the second blade, and the side opening penetrates through a side wall for defining the connecting cavity;

the connecting end is configured to be inserted in the connecting cavity through the side opening.

12 . The scraper according to claim 2 , wherein the connecting end is arranged with at least two elastic snapping fasteners, an inner wall for defining the connecting cavity defines at least two fastening through-holes, each of the at least two elastic snapping fasteners is engaged in a respective one of the at least two fastening through-holes in a snap-fit manner; the number of the at least two elastic snapping fasteners is two;

the two elastic snapping fasteners are spaced apart from each other and arranged on a same outer wall of the connecting end or, each of the two elastic snapping fasteners is arranged on a respective one of two opposing outer walls of the connecting end.

13 . The scraper according to claim 1 , wherein the scraper body defines an insertion hole, the scraper component comprises an insertion fastener and defines a first accommodating recess, the first accommodating recess is configured to accommodate one end of the scraper body where the first blade is mounted, and the insertion hole is configured to accommodate the insertion fastener in a snap-fit manner.

14 . The scraper according to claim 1 , wherein the scraper body defines at least one guide hole, the scraper component comprises at least one guide post, the at least one guide hole extends along a length direction of the scraper body, the at least one guide hole comprises a first end and a second end away from each other, the first end is arranged away from the first blade, the at least one guide post is configured to slide along a length direction of the at least one guide hole, and the at least one guide post is configured to rotate relative to the scraper body through the at least one guide hole;

when the first blade is in the usable state, the at least one guide post is positioned at the first end of the at least one guide hole, and the scraper component and the second blade are assembled with the scraper body;

when the second blade is in the usable state, the at least one guide post is positioned at the second end of the at least one guide hole, and the scraper component and the second blade extend out from the scraper body.

15 . The scraper according to claim 14 , wherein the scraper body is further arranged with an elastic arm and a limiting boss arranged on the elastic arm, and when the second blade is in the usable state, the limiting boss abuts against an end wall of the scraper component away from the second blade and limits a rotation and sliding of the at least one guide post.

16 . The scraper according to claim 14 , wherein an end of the scraper body away from the first blade defines an accommodating groove, and when the first blade is in the usable state, the scraper component and the second blade are received in the accommodating groove.

17 . The scraper according to claim 14 , wherein the number of the at least one guide hole is at least two, and the number of the at least one guide post is at least two;

each of the at least two guide holes is an arc hole, and the at least two guide holes are concentrically formed with different radii;

the at least two guide posts are configured to simultaneously rotate and slide along arc trajectories of the at least two guide holes in a one-to-one correspondence.

18 . An accessory for a scraper, the scraper comprising a first blade, wherein the accessory comprises:

a scraper component, configured to be detachably connected to the scraper; and

a second blade, arranged on the scraper component, wherein a width of the second blade is greater than a width of the first blade;

when the scraper component is connected to the scraper, the second blade is in a usable state, or both the first blade and the second blade are in the usable state;

wherein the scraper component defines a connecting cavity, and the scraper is detachably connected to the scraper component through the connecting cavity;

when the scraper component is connected to the scraper through the connecting cavity, the first blade is received in the connecting cavity, and the second blade is in the usable state.

19 . The accessory for a scraper according to claim 18 , wherein the scraper component defines a connecting cavity and comprises a bottom wall and a top wall which are arranged opposite each other and cooperatively define the connecting cavity, the bottom wall defines a first limiting hole, the top wall defines a second limiting hole, and each of the first limiting hole and the second limiting hole is communicated to the connecting cavity;

a minimum distance between the second limiting hole and the second blade is unequal to a minimum distance between the first limiting hole and the second blade, and the first limiting hole, the connecting cavity, and the second limiting hole are configured for at least a portion of the scraper to pass through;

when the scraper component sleeves the scraper through the first limiting hole, the connecting cavity, and the second limiting hole, the second blade is in the usable state, or both the first blade and the second blade are in the usable state.