CN219731803U - Automatic folding and unfolding mechanism of sweeping arm of sweeper - Google Patents

Abstract

The utility model provides an automatic folding and unfolding mechanism of a sweeping arm of a sweeper, which comprises a frame, a sweeping device, a driving mechanism and a transmission mechanism, wherein the driving mechanism is arranged on the frame; the cleaning device comprises a sucker assembly and a sweeping brush assembly, and the sweeping brush assembly is arranged on one side of the sucker assembly; the first end of the transmission mechanism is connected with the output end of the driving mechanism, and the second end of the transmission mechanism is connected with the sucker assembly; the sweeping brush component and the sucker component are respectively rotatably arranged on the frame; the driving mechanism is in a contracted state and an expanded state, and when the driving mechanism is in the contracted state, the sucker assembly rises and props against the sweeping brush assembly to drive the sweeping brush assembly to fold inwards; when the driving mechanism is in an extended state, the sucker assembly descends, and the broom assembly extends outwards. The utility model has simple structure and reasonable design, realizes the lifting of the sucker, the lifting and the folding of the sweeping arm and reduces the risk of hydraulic leakage by the arrangement of a single driving mechanism, and is not easy to cause environmental pollution.

Description

Automatic folding and unfolding mechanism of sweeping arm of sweeper

Technical Field

The utility model relates to the technical field of sweepers, in particular to an automatic folding and unfolding mechanism of a sweeping arm of a sweeper.

Background

In order to adapt to complex and changeable road conditions, the motor sweeper needs to meet the requirement of flexible and changeable work, so that the requirement on the structural function of the motor sweeper is higher. At present, most of the suction cups of the cleaning machine are provided with one oil cylinder, and each driving mechanism for lifting the cleaning arm and retracting the cleaning arm is provided with 3-5 oil cylinders in total. The oil cylinder is too many, and the pipeline becomes many, increases the risk of hydraulic pressure leakage, easily causes environmental pollution. And the problems of complex control program, high cost and the like are caused.

In view of this, a new solution is needed to solve the above technical problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an automatic folding and unfolding mechanism of a sweeping arm of a sweeper, which comprises a frame, a sweeping device, a driving mechanism and a transmission mechanism, wherein the driving mechanism is arranged on the frame; the cleaning device comprises a sucker assembly and a sweeping brush assembly, and the sweeping brush assembly is arranged on one side of the sucker assembly; the first end of the transmission mechanism is connected with the output end of the driving mechanism, and the second end of the transmission mechanism is connected with the sucker assembly; the sweeping brush assembly and the sucker assembly are respectively rotatably arranged on the frame; the driving mechanism is in a contracted state and an expanded state, and when the driving mechanism is in the contracted state, the sucker assembly rises and props against the sweeping brush assembly to drive the sweeping brush assembly to fold inwards; when the driving mechanism is in an extended state, the sucker assembly descends, and the sweeping brush assembly extends outwards.

In a further technical scheme, the sucking disc assembly comprises a sucking disc and a limiting member, the sucking disc is connected with the limiting member, the sucking disc is connected with one end of the transmission mechanism, and the limiting member is arranged on one side of the sweeping brush assembly.

In a further technical scheme, the sucking disc subassembly still includes the mounting bracket, the sucking disc install in the mounting bracket, be provided with the swinging boom on the mounting bracket, the first end rotation of swinging boom install in the mounting bracket, the second end rotation of swinging boom install in the frame.

In a further technical scheme, the limiting member comprises a mounting seat and a limiting frame, the limiting frame is mounted on the mounting seat, the mounting seat is arranged on one side of the sucker, and an included angle between the limiting frame and the mounting seat is 30-80 degrees. The magnitude of the included angle restricts the sweeping swing amplitude of the sweeping arm and is adjusted according to actual conditions.

In a further technical scheme, the brush assembly comprises a brush and a sweeping arm, the first end of the sweeping arm is rotatably arranged on the frame, the brush is arranged at the second end of the sweeping arm, a sheath is arranged on the sweeping arm, the sheath is positioned above the limiting frame, the limiting frame is provided with a limiting plate, and when the driving mechanism is in a contracted state, the limiting plate is propped against the sheath.

The limiting plate and the sheath can be made of nylon materials, and the nylon materials have small friction coefficients, so that other materials with small friction coefficients, such as tetrafluoroethylene materials, can be selected according to practical conditions.

In a further technical scheme, the limiting member further comprises an adjusting plate, the first end of the limiting frame is rotatably mounted on the mounting seat, the first end of the adjusting plate is mounted on the second end of the limiting frame, the mounting seat is provided with a key slot or a plurality of mounting holes, and the second end of the adjusting plate is mounted on the key slot or one of the mounting holes. The mounting holes are distributed on the mounting base at equal intervals, and are horizontally or vertically distributed on the mounting base according to actual conditions.

In a further technical scheme, the driving mechanism comprises an oil cylinder and a connecting piece, the first end of the connecting piece is rotatably mounted at the output end of the oil cylinder, the second end of the connecting piece is fixed on the transmission mechanism, the cleaning device further comprises a steering elbow, the steering elbow is rotatably mounted on the frame, and the sweeping arm is rotatably mounted on the steering elbow. The connecting piece is driven to rotate through the telescopic movement of one oil cylinder, so that the rotating shaft is rotated.

In a further technical scheme, the transmission mechanism comprises a rotating shaft, an adjusting rod and a chain; the rotary shaft is rotatably arranged on the frame, the first end of the adjusting rod is arranged on the rotary shaft, the chain is arranged at the second end of the adjusting rod, the second end of the chain is arranged on the sucker, and the driving mechanism is connected with the rotary shaft. The rotating motion of the rotating shaft drives the adjusting rod and the chain to move stably.

In a further technical scheme, bearing seats are respectively arranged on two sides of the frame, and two ends of the rotating shaft are respectively arranged on one bearing seat.

In a further technical scheme, the cleaning device further comprises a first elastic piece and a second elastic piece, the cleaning device further comprises a steering elbow, the steering elbow is rotatably mounted on the frame, the sweeping arm is rotatably mounted on the steering elbow, the first end of the first elastic piece is connected with the steering elbow, and the second end of the first elastic piece is connected with the sweeping arm; the first end of the second elastic piece is connected with the frame, and the second end of the second elastic piece is connected with the steering elbow.

When the driving mechanism is in an extended state, the sucker assembly and the limiting member are respectively lowered, the first elastic piece provides an outward pulling force, and the sweeping brush assembly is extended outwards.

When the driving mechanism is in a contracted state, the sucker assembly ascends, the second elastic piece provides an upward pulling force, and the limiting component ascends to prop against the sweeping brush assembly to drive the sweeping brush assembly to fold inwards.

Compared with the prior art, the utility model has the following technical effects:

according to the automatic folding and unfolding mechanism for the sweeping arm of the sweeper, the sucking disc is lifted through the sucking disc lifting driving mechanism and the spring, the sweeping arm is lifted and unfolded through the driving mechanism, the risk of hydraulic leakage is reduced, and environmental pollution is not easy to cause.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a schematic view of the structure after hiding the frame.

Fig. 4 is a schematic structural view of the stopper member.

Description of main reference numerals:

1-a frame, 11-a first elastic piece and 12-a second elastic piece;

2-cleaning device, 21-sucker assembly, 211-sucker, 212-limit component, 2121-mount, 2122-limit frame, 2123-limit plate, 2124-adjusting plate, 2125-mounting hole, 213-mount, 214-rotating arm, 22-brush assembly, 221-brush, 222-brush arm, 2221-sheath, 23-elbow;

3-driving mechanism, 31-cylinder, 32-connecting piece;

4-transmission mechanism, 41-rotating shaft, 42-adjusting rod, 43-chain and 44-bearing seat.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

1-4, the automatic folding and unfolding mechanism of the sweeping arm of the sweeper comprises a frame 1, a sweeping device 2, a driving mechanism 3 and a transmission mechanism 4, wherein the driving mechanism 3 is arranged on the frame 1; the cleaning device 2 comprises a sucker assembly 21 and a brush assembly 22, wherein the brush assembly 22 is arranged on one side of the sucker assembly 21; the first end of the transmission mechanism 4 is connected with the output end of the driving mechanism 3, and the second end of the transmission mechanism 4 is connected with the sucker assembly 21; the brush assembly 22 and the sucker assembly 21 are respectively rotatably mounted on the frame 1; the driving mechanism 3 has a contracted state and an expanded state, and when the driving mechanism 3 is in the contracted state, the sucker assembly 21 rises and props against the brush assembly 22 to drive the brush assembly 22 to fold inwards; when the driving mechanism 3 is in the stretched state, the sucking disc assembly 21 descends, and the sweeping brush assembly 22 stretches outwards.

Lifting of the sucker 211 is achieved through the sucker 211 lifting driving mechanism 3 and the elastic piece, lifting and retracting of the sweeping arm 222 are achieved, and the hydraulic leakage risk is reduced through the driving mechanism 3, and environmental pollution is not easy to cause.

The suction cup assembly 21 comprises a suction cup 211 and a limiting member 212, wherein the suction cup 211 is connected with the limiting member 212, the suction cup 211 is connected with one end of the transmission mechanism 4, and the limiting member 212 is arranged on one side of the brush assembly 22.

It should be noted that, in this embodiment, the limiting member 212 is connected to the suction cup 211, so that when the suction cup 211 is lifted, the limiting member 212 is lifted, and the sweeping arm 222 is driven to lift and retract.

The sucker assembly 21 further comprises a mounting frame 213, the sucker 211 is mounted on the mounting frame 213, a rotating arm 214 is arranged on the mounting frame 213, a first end of the rotating arm 214 is rotatably mounted on the mounting frame 213, and a second end of the rotating arm 214 is rotatably mounted on the frame 1.

Through this setting, make a quadrangle structure between swinging boom 214, mounting bracket 213, frame 1, drive mechanism 4, when drive mechanism 4 drives mounting bracket 213 and goes up and down, mounting bracket 213 goes up and down along frame 1 through swinging boom 214.

The limiting member 212 comprises a mounting seat 2121 and a limiting frame 2122, the limiting frame 2122 is mounted on the mounting seat 2121, the mounting seat 2121 is arranged on one side of the suction cup 211, and an included angle between the limiting frame 2122 and the mounting seat 2121 is 30-80 degrees. The magnitude of the included angle restricts the sweeping swing amplitude of the sweeping arm 222, and is adjusted according to actual conditions. As a preferred embodiment, the included angle is 60 degrees in this embodiment, and in other embodiments, the included angle may be 30 degrees, 50 degrees or 80 degrees, and the whole limiting member 212 is in the form of a tripod, which is simple and stable in structure. Other forms of structure can also be selected according to actual conditions.

The brush assembly 22 comprises a brush 221 and a brush arm 222, a first end of the brush arm 222 is rotatably mounted on the frame 1, the brush 221 is mounted on a second end of the brush arm 222, a sheath 2221 is mounted on the brush arm 222, the sheath 2221 is located above the limiting frame 2122, the limiting frame 2122 is provided with a limiting plate 2123, and when the driving mechanism 3 is in a contracted state, the limiting plate 2123 abuts against the sheath 2221.

Both the limiting plate 2123 and the sheath 2221 may be made of nylon material because of its low coefficient of friction, and other materials with low coefficients of friction, such as tetrafluoroethylene material, may be selected according to practical circumstances.

As a preferred embodiment, the limiting member 212 of the present embodiment is adjustable, the limiting member 212 further includes an adjusting plate 2124, a first end of the limiting plate 2122 is rotatably mounted on the mounting seat 2121, a first end of the adjusting plate 2124 is mounted on a second end of the limiting plate 2122, the mounting seat 2121 is provided with a key slot or a plurality of mounting holes 2125, and a second end of the adjusting plate 2124 is mounted on the key slot or one of the mounting holes 2125. The plurality of mounting holes 2125 are equidistantly spaced apart from the mounting base 2121, and the mounting holes 2125 are horizontally or vertically distributed to the mounting base 2121 according to practical situations.

In other embodiments, the limiting member 212 of the present embodiment is not adjustable, and according to the actual situation, the limiting member 212 with different angles can be directly replaced.

The driving mechanism 3 comprises an oil cylinder 31 and a connecting piece 32, a first end of the connecting piece 32 is rotatably arranged at the output end of the oil cylinder 31, and a second end of the connecting piece 32 is fixed on the transmission mechanism 4. The connecting piece 32 is driven to rotate by the telescopic movement of one oil cylinder 31, so that the rotating shaft 41 is rotated.

The transmission mechanism 4 comprises a rotating shaft 41, an adjusting rod 42 and a chain 43; the rotating shaft 41 is rotatably mounted on the frame 1, a first end of the adjusting rod 42 is mounted on the rotating shaft 41, the chain 43 is mounted on a second end of the adjusting rod 42, a second end of the chain 43 is mounted on the suction cup 211, and the driving mechanism 3 is connected with the rotating shaft 41. The rotation of the shaft 41 drives the adjustment lever 42 and the chain 43 to move stably.

In this embodiment, the adjusting rod 42 is symmetrically installed on the rotating shaft 41, so as to maintain the stability of the rotating motion of the rotating shaft 41 to drive the adjusting rod 42 to move.

Bearing blocks 44 are respectively arranged on two sides of the frame 1, and two ends of the rotating shaft 41 are respectively arranged on one bearing block 44.

In a further specific embodiment, the cleaning device 2 further comprises a first elastic member 11 and a second elastic member 12, the elbow 23 is rotatably mounted on the frame 1, the sweep arm 222 is rotatably mounted on the elbow 23, a first end of the first elastic member 11 is connected with the elbow 23, and a second end of the first elastic member 11 is connected with the sweep arm 222; the first end of the second elastic member 12 is connected to the frame 1, and the second end of the second elastic member 12 is connected to the knuckle 23.

When the driving mechanism 3 is in the stretched state, the suction cup assembly 21 and the limiting member 212 are respectively lowered, the first elastic element 11 provides an outward pulling force, and the brush assembly 22 is stretched outwards.

When the driving mechanism 3 is in the contracted state, the sucking disc assembly 21 is lifted, the second elastic member 12 provides an upward pulling force, and the limiting member 212 is lifted against the brush assembly 22 to drive the brush assembly 22 to fold inwards.

In the specific embodiment, the sweeping brush assemblies 22 are distributed on two sides of the sucker assembly 21, are bilaterally symmetrical, and the sweeping brush assemblies 22 synchronize the motion of the sucker assembly 21 and cooperate to finish sweeping work.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art, provided that they meet the objectives of the utility model, such as: different combinations of specific embodiments, different combinations of distinguishing features.

Claims (10)

1. The utility model provides an automatic receipts of sweeping arm of scavenging machine opens mechanism, includes frame and cleaning device, its characterized in that: the bicycle further comprises a driving mechanism and a transmission mechanism, wherein the driving mechanism is arranged on the bicycle frame; the cleaning device comprises a sucker assembly and a sweeping brush assembly, and the sweeping brush assembly is arranged on one side of the sucker assembly; the first end of the transmission mechanism is connected with the output end of the driving mechanism, and the second end of the transmission mechanism is connected with the sucker assembly; the sweeping brush assembly and the sucker assembly are respectively rotatably arranged on the frame; the driving mechanism is in a contracted state and an expanded state, and when the driving mechanism is in the contracted state, the sucker assembly rises and props against the sweeping brush assembly to drive the sweeping brush assembly to fold inwards; when the driving mechanism is in an extended state, the sucker assembly descends, and the sweeping brush assembly extends outwards.

2. The automatic retracting mechanism for a sweeper arm of claim 1, wherein: the sucking disc subassembly includes sucking disc and spacing component, the sucking disc with spacing component is connected, the sucking disc with drive mechanism's one end is connected, spacing component set up in one side of brush subassembly.

3. The automatic retracting mechanism for a sweeper arm of claim 2, wherein: the sucker assembly further comprises a mounting frame, the sucker is mounted on the mounting frame, a rotating arm is arranged on the mounting frame, the first end of the rotating arm is rotatably mounted on the mounting frame, and the second end of the rotating arm is rotatably mounted on the frame.

4. The automatic retracting mechanism for a sweeper arm of claim 2, wherein: the limiting component comprises a mounting seat and a limiting frame, the limiting frame is mounted on the mounting seat, the mounting seat is arranged on one side of the sucker, and an included angle between the limiting frame and the mounting seat is 30-80 degrees.

5. The automatic retracting mechanism for a sweeper arm of claim 4, wherein: the broom assembly comprises a broom and a broom arm, the first end of the broom arm is rotatably mounted on the frame, the broom is mounted at the second end of the broom arm, a sheath is mounted on the broom arm and located above the limiting frame, a limiting plate is mounted on the limiting frame, and when the driving mechanism is in a contracted state, the limiting plate abuts against the sheath.

6. The automatic retracting mechanism for a sweeper arm of claim 4, wherein: the limiting member further comprises an adjusting plate, the first end of the limiting frame is rotatably mounted on the mounting seat, the first end of the adjusting plate is mounted on the second end of the limiting frame, the mounting seat is provided with a key groove or a plurality of mounting holes, and the second end of the adjusting plate is mounted on the key groove or one of the mounting holes.

7. The automatic retracting mechanism for a sweeper arm of claim 1, wherein: the driving mechanism comprises an oil cylinder and a connecting piece, a first end of the connecting piece is rotatably arranged at the output end of the oil cylinder, and a second end of the connecting piece is fixed on the transmission mechanism.

8. The automatic retracting mechanism for a sweeper arm of claim 1, wherein: the transmission mechanism comprises a rotating shaft, an adjusting rod and a chain; the rotary shaft is rotatably arranged on the frame, the first end of the adjusting rod is arranged on the rotary shaft, the chain is arranged at the second end of the adjusting rod, the second end of the chain is arranged on the sucker, and the driving mechanism is connected with the rotary shaft.

9. The automatic retracting mechanism for a sweeper arm of claim 8, wherein: bearing seats are respectively arranged on two sides of the frame, and two ends of the rotating shaft are respectively arranged on one bearing seat.

10. The automatic retracting mechanism for a sweeper arm of claim 1, wherein: the cleaning device further comprises a steering elbow rotatably mounted on the frame, the sweeping arm is rotatably mounted on the steering elbow, a first end of the first elastic piece is connected with the steering elbow, and a second end of the first elastic piece is connected with the sweeping arm; the first end of the second elastic piece is connected with the frame, and the second end of the second elastic piece is connected with the steering elbow.