CN217104867U

CN217104867U - Buffering protection architecture about limit brush

Info

Publication number: CN217104867U
Application number: CN202123327233.7U
Authority: CN
Inventors: 王家忠
Original assignee: Dongguan Meigao Cleaning Articles Co ltd
Current assignee: Dongguan Meigao Cleaning Articles Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-02
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to a left and right buffer protection structure of a side brush, which comprises the side brush, a side brush motor for driving the side brush to rotate, a first support arm and a second support arm which are axially connected, and a buckle seat which is embedded between the first support arm and the second support arm and is used for switching, wherein the side brush and the side brush motor are positioned at the extending end of the second support arm together, and the second support arm is provided with a first hinge joint; the buckling seat is provided with a U-shaped part and a second hinged joint, and the second hinged joint is hinged with the first supporting arm; the first hinge joint is inserted into the U-shaped part and is hinged with the buckle seat; the left opening side and the right opening side of the U-shaped part are respectively provided with a stretching frame, a tension spring is embedded between the two stretching frames, and the two stretching frames are hinged with the buckling seat. The utility model discloses an increase the extension spring with detaining the articulated department of seat at the second support arm, two stretching frames about the extension spring transversely draws to hold realize the two-way buffering of level, and second support arm level horizontal hunting all has the buffer protection promptly, avoids limit brush and motor to receive the injury, increase of service life.

Description

Buffering protection architecture about limit brush

Technical Field

The utility model relates to a clean equipment technical field, especially relate to street sweeper's limit brush protection architecture.

Background

The sweeper is an integrated sweeping device combining sweeping and dust collection, has the advantages of high working efficiency, low cleaning cost, good cleaning effect, high safety performance, high economic return rate and the like, and is widely applied to sweeping of roads in various large, medium and small cities.

The side brush is an indispensable structure for sweeping on the sweeper, and in the actual use process, due to the complex use environment, the side brush is easy to collide with obstacles (such as concave-convex ground, walls, green belts, kerbs and the like) on the sweeping side, so that sweeping and moving are influenced; and easily causes damage to the working parts. For this reason, the anticollision mechanism is installed at the side brush to protect the side brush, but the prior art usually adopts unilateral spring to draw and hold to protect, just also can only play the guard action of one-way buffering, and the protection still is limited.

Disclosure of Invention

An object of the utility model is to provide a buffering protection architecture about limit brush, anticollision effect is better.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the side brush left and right buffer protection structure comprises a side brush, a side brush motor for driving the side brush to rotate, a first support arm, a second support arm and a buckle seat, wherein the first support arm and the second support arm are axially connected, the buckle seat is embedded between the first support arm and the second support arm and used for switching, the side brush and the side brush motor are positioned at the extending end of the second support arm together, and the connecting end of the second support arm is provided with a first hinge joint; the buckling seat is provided with a U-shaped part with an opening facing the second supporting arm and a second hinged joint facing the first supporting arm, and the second hinged joint is hinged with the first supporting arm; the first hinge joint of the second supporting arm is inserted into the U-shaped part and is hinged with the buckle seat; the left opening side and the right opening side of the U-shaped part are respectively provided with a stretching frame, a tension spring is embedded between the two stretching frames, and the tension spring transversely penetrates through the first hinge joint; the two stretching frames are hinged with the buckling seats.

The above scheme is further that the stretching frames are C-shaped, and the hinge positions of the two stretching frames and the buckling seat are overlapped with the hinge positions of the first hinge joint and the buckling seat.

Above-mentioned scheme is further, the articulated relative first support arm's of second articulated head and first support arm axial deviation one side, the protruding first articulated ear of establishing of corresponding side of first support arm, second articulated head and first articulated ear overlap from top to bottom and pass through first bolt through connection.

According to the scheme, the first hinge joint is composed of the upper and lower spacing pieces, the upper and lower spacing pieces are respectively attached and overlapped with the upper and lower side walls of the U-shaped portion, and the first hinge joint is hinged to the buckling seat through the second bolt penetrating through the first hinge joint and the U-shaped portion.

The scheme is further that the second supporting arm is made of U-shaped steel, the side brush motor is horizontally embedded in the U-shaped groove of the second supporting arm, and the output end of the side brush motor is connected with the side brush through a worm and gear structure.

The utility model discloses an increase the extension spring with detaining the articulated department of seat at the second support arm, two stretching frames about the extension spring transversely draws to hold realize the two-way buffering of level, and second support arm level horizontal hunting all has the buffer protection promptly, and the limit brush and the motor of avoiding that from this can furthest receive the injury, increase of service life reduces the maintenance cost, simple structure, convenient preparation and equipment, and investment cost is low, and practicality and commonality are strong.

Description of the drawings:

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

fig. 2 is an exploded view of the embodiment of fig. 1.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Referring to fig. 1 and 2, the preferred embodiment of the present invention is shown schematically, and the present invention relates to a side brush left and right buffer protection structure, which is a side brush protection structure of a sweeper, comprising a side brush 1, a side brush motor 2 for driving the side brush 1 to rotate, a first support arm 3 and a second support arm 4 axially connected, and a buckle seat 5 embedded between the first support arm 3 and the second support arm 4 and used for switching. The side brush 1 and the side brush motor 2 are positioned together at the overhanging end of the second supporting arm 4, and the joint end of the second supporting arm 4 is provided with a first hinge joint 41. The second support arm 4 of this embodiment is the U-shaped steel, and 2 levels of limit brush motor are inlayed and are established in the U-shaped groove of second support arm 4, and the output of limit brush motor 2 passes through worm gear structural connection limit brush 1, and the structure is small and exquisite, compact, and second support arm 4 still effectively protects limit brush motor 2, prevents unexpected destruction. The buckle base 5 has a U-shaped portion 51 opening toward the second support arm 4 and a second hinge 52 opening toward the first support arm 3, and the second hinge 52 is hinged to the first support arm 3. The first hinged joint 41 of the second supporting arm 4 is inserted into the U-shaped portion 51 and hinged with the buckle seat 5, specifically, the first hinged joint 41 is composed of an upper spacer and a lower spacer, the upper spacer and the lower spacer are respectively laminated and overlapped with the upper side wall and the lower side wall of the U-shaped portion 51, then the first hinged joint 41 is hinged with the buckle seat 5 by penetrating through the first hinged joint 41 and the U-shaped portion 51 through the second bolt 82, connection is satisfied, meanwhile, relative deflection can be realized, left-right swinging of the second supporting arm 4 on the horizontal plane is realized, and when collision stress of the side brush 1 is facilitated, the second supporting arm 4 is stressed to swing. The left opening side and the right opening side of the U-shaped part 51 are respectively provided with a stretching frame 6, a tension spring 7 is embedded between the two stretching frames 6, and the tension spring 7 transversely penetrates through the first hinge joint 41; the two stretching frames 6 are hinged with the buckling seats 5. Utilize the buffering of extension spring 7 from this, realize the two-way buffering of level, the horizontal hunting of second support arm all has the buffering protection promptly, and the limit brush and the motor of avoiding that from this can furthest receives the injury, increase of service life.

Referring to fig. 1 and 2, in the present embodiment, the stretching frames 6 are C-shaped, and the hinge positions of the two stretching frames 6 and the buckle base 5 coincide with the hinge positions of the first hinge joint 41 and the buckle base 5. Therefore, the two stretching frames 6 are hinged to the buckling seats 5 through the second bolts 82, the assembly structure is simplified, the number of parts is reduced, the manufacturing and the assembly are convenient, and the investment cost is low. Second articulated head 52 and the articulated relative first support arm 3's of first support arm 3 axial deviation one side, the protruding first hinge ear 31 of establishing of corresponding side of first support arm 3, second articulated head 52 and first hinge ear 31 overlap from top to bottom the back through first bolt 81 through connection, simple structure, convenient equipment and maintenance. When the side brush 1 collides, the second supporting arm 4 is stressed to horizontally swing, and then abuts against the stretching frame 6 on one side and stretches the tension spring 7, the reaction of the tension spring 7 plays a role in buffering protection, the damage of impact force is reduced, and therefore protection is achieved, and the working part is prevented from being damaged by jacking. Two stretching frames 6 are arranged left and right, so that the buffer protection of the second supporting arm 4 swinging in the left and right directions can be realized, and the protection is more effective and comprehensive.

Of course, the present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical conception and the features of the present invention, the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and implement the same, therefore, all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The side brush left-right buffering protection structure comprises a side brush (1) and a side brush motor (2) for driving the side brush (1) to rotate, and is characterized by further comprising a first supporting arm (3) and a second supporting arm (4) which are axially connected, and a buckling seat (5) which is embedded between the first supporting arm (3) and the second supporting arm (4) and used for switching, wherein the side brush (1) and the side brush motor (2) are positioned at the outward extending end of the second supporting arm (4), and the connecting end of the second supporting arm (4) is provided with a first hinge joint (41); the buckle seat (5) is provided with a U-shaped part (51) with an opening facing the second supporting arm (4) and a second hinged joint (52) facing the first supporting arm (3), and the second hinged joint (52) is hinged with the first supporting arm (3); the first hinge joint (41) of the second supporting arm (4) is inserted into the U-shaped part (51) and is hinged with the buckle seat (5); stretching frames (6) are respectively arranged on the left opening side and the right opening side of the U-shaped part (51), a tension spring (7) is embedded between the two stretching frames (6), and the tension spring (7) transversely penetrates through the first hinge joint (41); the two stretching frames (6) are hinged with the buckling seat (5).

2. The side brush left and right buffer protection structure according to claim 1, wherein: the stretching frames (6) are C-shaped, and the hinged positions of the two stretching frames (6) and the buckling seats (5) coincide with the hinged positions of the first hinged joint (41) and the buckling seats (5).

3. The side brush left and right buffer protection structure according to claim 1, wherein: the articulated relative first support arm (3) of second articulated head (52) and first support arm (3) is inclined to one side axially, and first articulated ear (31) are protruding to be established to the corresponding side of first support arm (3), and second articulated head (52) and first articulated ear (31) overlap from top to bottom and pass through first bolt (81) through connection.

4. The side brush left and right buffer protection structure according to claim 1, wherein: the first hinge joint (41) is composed of an upper spacing piece and a lower spacing piece, the upper spacing piece and the lower spacing piece are respectively attached and overlapped with the upper side wall and the lower side wall of the U-shaped part (51), and the first hinge joint (41) is hinged with the buckle seat (5) through the second bolt (82) penetrating through the first hinge joint (41) and the U-shaped part (51).

5. The side brush left and right buffer protection structure according to claim 1, wherein: the second supporting arm (4) is made of U-shaped steel, the side brush motor (2) is horizontally embedded in a U-shaped groove of the second supporting arm (4), and the output end of the side brush motor (2) is connected with the side brush (1) through a worm and gear structure.