CN216101337U

CN216101337U - Roller braking mechanism and high-pressure cleaning machine with same

Info

Publication number: CN216101337U
Application number: CN202121798996.7U
Authority: CN
Inventors: 赵倩; 唐杰辉
Original assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Current assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-22
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to a roller braking mechanism and a high-pressure cleaning machine with the same, wherein the roller braking mechanism comprises a machine body, a damping roller, a braking wheel disc and a braking device; both sides of the machine body are rotatably connected with one roller through connecting shafts; the damping roller is fixedly connected with the brake wheel disc at one side close to the machine body, and the brake wheel disc is provided with a positioning notch; the machine body is rotatably connected with the braking device at one side close to the roller, and the braking device is provided with a braking part; in the roller braking mechanism and the high-pressure cleaning machine with the same, the braking wheel disc and the braking device are designed in a matched manner, so that the rotation and the braking of the roller can be controlled in a switching manner, the machine body can be dragged at will, and the braking effect at any time can be realized; the brake is controlled without dead angle, the brake device is controlled by feet, the stooping is not needed, and the use is convenient.

Description

Roller braking mechanism and high-pressure cleaning machine with same

Technical Field

The utility model relates to the technical field of high-pressure cleaning machines, in particular to a roller braking mechanism and a high-pressure cleaning machine with the same.

Background

A high-pressure cleaning machine is a machine which uses a power device to enable a high-pressure plunger pump to generate high-pressure water to wash the surface of an object. It can peel off and wash away dirt to clean the surface of an object. Because the high-pressure water column is used for cleaning dirt, high-pressure cleaning is one of the most scientific, economic and environment-friendly cleaning modes acknowledged by the world.

In the prior art, when a user uses a high-pressure cleaning machine for cleaning, the machine is in the operation process, when the machine is dragged, the machine is driven to roll due to the vibration of the machine and the operation of the idler wheels, the machine cannot be well braked and positioned, and the machine can be toppled under severe conditions. When the inclined plane operates, the machine cannot be accurately braked and positioned, and the roller can drive the machine to slide downwards all the time. Therefore, in the cleaning process, the machine can roll all the time, the cleaning of a user is not facilitated, and the experience feeling is not good.

The foregoing description is provided for general background information and is not admitted to be prior art.

Disclosure of Invention

The utility model aims to provide a roller braking mechanism and a high-pressure cleaning machine with the same.

The utility model provides a roller braking mechanism, which comprises a machine body, a damping roller, a braking wheel disc and a braking device, wherein the damping roller is arranged on the machine body; the two sides of the machine body are rotatably connected with the damping idler wheels through connecting shafts;

the damping roller is fixedly connected with the brake wheel disc at one side close to the machine body, and the brake wheel disc is provided with a positioning notch; the machine body is connected with the braking device on one side close to the damping roller, the braking device is provided with a braking part, and the braking device is rotatably connected with the machine body so that the braking part is clamped into the positioning notch or separated from the positioning notch; when the braking part is clamped in the positioning notch, the damping roller is in a braking state; when the braking part is separated from the positioning gap, the damping roller is in a rotatable state.

Furthermore, the brake wheel disc comprises a disc body and a stop block; the tray body is circular, a plurality of stop blocks are equidistantly arranged on the circumference of the tray body, the stop blocks are T-shaped, and the lower ends of the T-shaped stop blocks are connected with the circumference of the tray body; the positioning gap is formed between two adjacent stop blocks.

Furthermore, a shaft hole is formed in the central position of the plate body, and a fixing hole is formed in the plate body; when the brake wheel disc is installed on the damping roller, the shaft hole is sleeved on the connecting shaft, and the brake wheel disc is fixed on the damping roller through the fixing device through the fixing hole.

Furthermore, the damping roller comprises a supporting plate, a supporting strip, a fixing ring, an elastic strip and an outer ring; the middle part of the supporting disc is provided with a mounting hole which is used for being sleeved on the connecting shaft; the supporting strips are arranged at the edge of the supporting disc; one end of the supporting bar is fixedly connected with the supporting disc, and the other end of the supporting bar is connected with the fixing ring; the edge of the fixing ring is connected with the elastic strip, one end of the elastic strip is connected with the fixing ring, and the other end of the elastic strip is connected with the outer ring.

Furthermore, the elastic strip is arc-shaped, and a plurality of the arc-shaped elastic strips are arranged on the outer side edge of the fixing ring, and the bending directions of the elastic strips are the same.

Furthermore, the support strip is arc-shaped, and the bending direction of the arc-shaped support strip is opposite to that of the arc-shaped elastic strip.

Furthermore, the braking device comprises a rotating part and the braking part, the rotating part is oval, the braking part is rectangular, and the middle of the long side of the rectangular braking part is vertically connected with the vertex of the short side of the oval rotating part; a first arc-shaped notch is formed in the joint of the braking portion and the rotating portion, and the other side, opposite to the rotating portion, of the braking portion is a straight side; a second arc-shaped notch is formed in the joint of the disc body and the stop block;

when the braking part is clamped in the positioning notch, the braking part is clamped in the second arc-shaped notch, and the stop block is clamped in the first arc-shaped notch.

Furthermore, the rotating part is vertically connected with a pedal at one end far away from the braking part, and the plane where the rotating part is located is vertical to the plane where the pedal is located.

Furthermore, the middle part of the rotating part is provided with a rotating hole, the rotating hole is used for rotatably connecting the rotating part on the machine body through a rotating shaft, and the braking part and the pedal are respectively positioned on two sides of the rotating hole.

The utility model also provides a high-pressure cleaning machine which comprises the roller braking mechanism.

In the roller braking mechanism and the high-pressure cleaning machine with the same, the braking wheel disc and the braking device are designed in a matched manner, so that the rotation and the braking of the roller can be controlled in a switching manner, the machine body can be dragged at will, and the braking effect at any time can be realized; the brake is controlled without dead angle, the brake device is controlled by feet, the stooping is not needed, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a roller braking mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a brake disc of the roller brake mechanism of fig. 1.

Fig. 3 is a schematic structural view of a shock-absorbing roller of the roller brake mechanism of fig. 1.

Fig. 4 is a schematic structural view illustrating a combination of a brake wheel disc and a damper roller of the roller brake mechanism of fig. 1.

Fig. 5 is a schematic structural view of a braking device of the roller braking mechanism in fig. 1.

Fig. 6 is a schematic structural view from another perspective of the braking device of the roller braking mechanism in fig. 1.

Fig. 7 is a schematic structural view of a brake wheel disc and a brake device of the roller brake mechanism of fig. 1.

The reference numerals and components referred to in the drawings are as follows:

1. machine body

2. Shock-absorbing roller

21. Support plate

22. Support strip

23. Fixing ring

24. Elastic strip

25. An outer ring;

26. mounting hole

3. Brake wheel disc

31. Positioning notch

32. Dish body

33. Stop block

34. Shaft hole

35. Fixing hole

36. Fixing device

37. Second arc notch

4. Brake device

41. Brake part

42. Rotating part

43. First arc notch

44. Pedal

45. Rotary hole

46. Rotating shaft

5. Connecting shaft

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Fig. 1 is a schematic structural view of a roller brake mechanism according to an embodiment of the present invention, fig. 2 is a schematic structural view of a brake disc of the roller brake mechanism in fig. 1, fig. 3 is a schematic structural view of a shock-absorbing roller of the roller brake mechanism in fig. 1, and fig. 4 is a schematic structural view of a combination of the brake disc and the shock-absorbing roller of the roller brake mechanism in fig. 1. Referring to fig. 1, fig. 2, fig. 3 and fig. 4,

the roller braking mechanism provided by the embodiment of the utility model comprises a machine body 1, a damping roller 2, a braking wheel disc 3 and a braking device 4; two sides of the machine body 1 are rotatably connected with a damping roller 2 through a connecting shaft 5; the damping roller 2 is fixedly connected with a braking wheel disc 3 at one side close to the machine body 1, and the braking wheel disc 3 is provided with a positioning notch 31; one side of the machine body 1 close to the damping roller 2 is connected with a braking device 4, and a braking part 41 is arranged on the braking device 4; the braking device 4 is rotatably connected to the machine body 1 so that the braking part 41 is clamped into the positioning notch 31 or separated from the positioning notch 31;

when the braking part 41 is clamped in the positioning notch 31, the damping roller 2 is in a braking state; when the stopper 41 is separated from the positioning notch 31, the damper roller 2 is in a rotatable state.

When the roller braking mechanism is used, the braking device 4 is stepped by feet, the braking device 4 rotates the braking part 41 downwards and axially on the machine body 1 and upwards moves and is clamped in the positioning notch 31, so that the rotation of the damping roller 2 is limited, and the roller braking effect is achieved; conversely, when the toe is used for hooking the braking device 4 to rotate axially upwards, the braking part 41 of the braking device 4 moves downwards and is separated from the positioning notch 31, and the roller is in a rolling state; thus, the damping roller 2 can be switched between two states of rolling and braking by the pedaling and hooking directions.

It should be noted that, the design of the brake wheel disc 3 and the brake device 4 enables the rotation and braking of the damping roller 2 to be controlled in a switchable manner, so that the machine body 1 can be dragged at will, and the braking effect at any time can be realized; the brake is controlled without dead angle, the brake device 4 is controlled by feet, the stooping is not needed, and the use is convenient.

As shown in fig. 2, the brake wheel disc 3 provided by the embodiment of the present invention includes a disc body 32 and a stopper 33; the tray body 32 is circular, a plurality of stoppers 33 are equidistantly arranged on the circumference of the tray body 32, the stoppers 33 are T-shaped, and the lower ends of the T-shaped stoppers 33 are connected with the circumference of the tray body 32; specifically, the stopper 33 and the tray body 32 are integrally connected; two adjacent stops 33 form a positioning gap 31 therebetween.

As shown in fig. 2 and 4, a shaft hole 34 is provided at the center of the plate 32, and a fixing hole 35 is further provided on the plate 32; when the brake wheel disc 3 is installed on the damper roller 2, the shaft hole 34 is sleeved on the connecting shaft 5, and the fixing hole 35 fixes the brake wheel disc 3 on the damper roller 2 through the fixing device 36.

As shown in fig. 3, the damping roller 2 includes a supporting plate 21, a supporting bar 22, a fixing ring 23, an elastic bar 24 and an outer ring 25; the middle part of the supporting disc 21 is provided with a mounting hole 26, and the mounting hole 26 is used for being sleeved on the connecting shaft 5; a supporting strip 22 is arranged at the edge of the supporting disc 21; one end of the supporting bar 22 is fixedly connected with the supporting disc 21, and the other end is connected with a fixing ring 23; the edge of the fixed ring 23 is connected with an elastic strip 24, one end of the elastic strip 24 is connected with the fixed ring 23, and the other end is connected with an outer ring 25.

It should be noted that, the damping roller 2 is designed to be deformed doubly by the supporting bars 22 and the elastic bars 24 when being stressed, so that the damping roller 2 has a good buffering effect, and noise and vibration generated by the machine due to the contact between the roller and the ground when the roller rotates are reduced; the service life of the machine is prolonged; simple structure, labor and time saving during production and low manufacturing cost of products.

Further, the elastic strips 24 are arc-shaped, the plurality of arc-shaped elastic strips 24 are arranged on the outer side edge of the fixing ring 23, and the bending directions of the elastic strips 24 are the same. The support strip 22 is arc-shaped, and the arc-shaped support strip 22 is opposite to the bending direction of the arc-shaped elastic strip 24. Specifically, the elastic strips 24 and the supporting strips 22 are designed into arc shapes, so that the buffering effect is further increased; meanwhile, the arc-shaped supporting strips 22 and the arc-shaped elastic strips 24 are arranged in opposite directions, so that the deformation directions of the arc-shaped supporting strips and the arc-shaped elastic strips are opposite, partial resilience force can be mutually offset, and the vibration is further reduced.

Fig. 5 is a schematic structural view of a braking device of the roller braking mechanism of fig. 1, fig. 6 is a schematic structural view of another perspective of the braking device of the roller braking mechanism of fig. 1, and fig. 7 is a schematic structural view of a brake wheel disc and the braking device of the roller braking mechanism of fig. 1. Referring to FIGS. 5, 6 and 7,

the braking device 4 provided by the embodiment of the utility model comprises a rotating part 42 and a braking part 41, wherein the rotating part 42 is roughly elliptical, the braking part 41 is roughly rectangular, and the middle of the long side of the rectangular braking part 41 is vertically connected with the top point of the long side of the elliptical rotating part 42; specifically, the rotating portion 42 and the braking portion 41 are integrally connected; a first arc-shaped notch 43 is arranged at the joint of the braking part 41 and the rotating part 42, and the other side of the braking part 41, which is opposite to the rotating part 42, is a straight side; thereby facilitating the pulling-out of the stopper portion 41 from the positioning notch 31. A second arc-shaped notch 37 is arranged at the joint of the disc body 32 and the stop block 33; when the stopper 41 is caught in the positioning notch 31, the stopper 41 is caught in the second arc notch 37, and the stopper 33 is caught in the first arc notch 43.

It should be noted that, when the brake wheel disc 3 tends to rotate forwards or backwards, the braking portion 41 is clamped in the second arc-shaped notch 37, the stopper 33 is clamped in the first arc-shaped notch 43, and the two are abutted against each other to restrict, so that the brake wheel disc 3 cannot rotate, and a braking effect is achieved. Furthermore, through the design that the braking part 41 is clamped in the positioning notch 31, the braking effect can be formed without redundant elastic devices and braking structures, and the structure is simple and the braking is convenient.

As shown in fig. 5 and 6, a pedal 44 is vertically connected to one end of the rotating portion 42 away from the braking portion 41. Specifically, the plane of the rotating portion 42 is perpendicular to the plane of the pedal 44. The pedal 44 is designed to facilitate the user's control of the rotating portion 42 by foot.

As shown in fig. 1, a rotation hole 45 is formed in the middle of the rotation portion 42, the rotation hole 45 rotatably connects the rotation portion 42 to the machine body 1 through a rotation shaft 46, and the braking portion 41 and the pedal 44 are respectively located on both sides of the rotation hole 45.

Based on the above description, the present invention has the following advantages:

1. when the roller braking mechanism provided by the utility model is used, the braking device 4 is stepped by feet, the braking device 4 rotates the braking part 41 downwards and axially on the machine body 1 and upwards moves and is clamped in the positioning notch 31, so that the rotation of the damping roller 2 is limited, and the roller braking effect is achieved; conversely, when the toe is used for hooking the braking device 4 to rotate axially upwards, the braking part 41 of the braking device 4 moves downwards and is separated from the positioning notch 31, and the roller is in a rolling state; therefore, the damping roller 2 can be switched between a rolling state and a braking state through the treading and hooking directions of the feet, the braking device 4 is controlled by the feet, the stooping is not needed, and the use is convenient.

2. According to the roller braking mechanism, the braking wheel disc 3 and the braking device 4 are designed, so that the rotation and the braking of the damping roller 2 can be controlled in a switching manner, the machine body 1 can be dragged at will, and the braking effect at any time can be realized; and the brake can be controlled without dead angle.

The embodiment of the utility model also provides a high-pressure cleaning machine which comprises the roller braking mechanism.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A roller braking mechanism is characterized in that: comprises a machine body (1), a damping roller (2), a brake wheel disc (3) and a brake device (4); the two sides of the machine body (1) are rotatably connected with the damping idler wheels (2) through connecting shafts (5);

the damping roller (2) is fixedly connected with the braking wheel disc (3) at one side close to the machine body (1), and a positioning notch (31) is formed in the braking wheel disc (3); the machine body (1) is connected with the braking device (4) on one side close to the damping roller (2), the braking device (4) is provided with a braking part (41), and the braking device (4) is rotatably connected to the machine body (1) so that the braking part (41) is clamped into the positioning gap (31) or separated from the positioning gap (31);

when the braking part (41) is clamped in the positioning notch (31), the damping roller (2) is in a braking state; when the braking part (41) is separated from the positioning notch (31), the damping roller (2) is in a rotatable state.

2. The roller braking mechanism of claim 1, wherein: the brake wheel disc (3) comprises a disc body (32) and a stop block (33);

the tray body (32) is circular, a plurality of stop blocks (33) are equidistantly arranged on the circumference of the tray body (32), the stop blocks (33) are T-shaped, and the lower ends of the T-shaped stop blocks (33) are connected with the circumference of the tray body (32); the positioning notch (31) is formed between two adjacent stop blocks (33).

3. The roller braking mechanism of claim 2, wherein: a shaft hole (34) is formed in the center of the disc body (32), and a fixing hole (35) is formed in the disc body (32);

when the brake wheel disc (3) is installed on the damping roller (2), the shaft hole (34) is sleeved on the connecting shaft (5), and the brake wheel disc (3) is fixed on the damping roller (2) through a fixing device (36) in the fixing hole (35).

4. The roller braking mechanism of claim 1, wherein: the damping roller (2) comprises a supporting plate (21), a supporting strip (22), a fixing ring (23), an elastic strip (24) and an outer ring (25);

the middle part of the supporting disc (21) is provided with a mounting hole (26), and the mounting hole (26) is used for being sleeved on the connecting shaft (5); the supporting strips (22) are arranged on the outer edge of the supporting disc (21) along the circumferential direction; one end of the supporting bar (22) is fixedly connected with the supporting disc (21), and the other end of the supporting bar is connected with the inner side edge of the fixing ring (23); the outer edge of the fixing ring (23) is connected with the elastic strip (24), one end of the elastic strip (24) is connected with the fixing ring (23), and the other end of the elastic strip is connected with the inner edge of the outer ring (25).

5. The roller braking mechanism of claim 4, wherein: the elastic strips (24) are arc-shaped, the arc-shaped elastic strips (24) are arranged on the outer side edge of the fixing ring (23), and the bending directions of the elastic strips (24) are the same.

6. The roller braking mechanism of claim 5, wherein: the support bar (22) is arc-shaped, and the bending direction of the arc-shaped support bar (22) is opposite to that of the arc-shaped elastic bar (24).

7. The roller braking mechanism of claim 2, wherein: the braking device (4) comprises a rotating part (42) and a braking part (41), the rotating part (42) is oval, the braking part (41) is rectangular, and the middle of the long side of the rectangular braking part (41) is vertically connected with the vertex of the short side of the oval rotating part (42); a first arc-shaped notch (43) is formed in the connecting position of the braking portion (41) and the rotating portion (42), and the other side, opposite to the rotating portion (42), of the braking portion (41) is a flat side; a second arc-shaped notch (37) is arranged at the joint of the disc body (32) and the stop block (33);

when the braking part (41) is clamped in the positioning notch (31), the braking part (41) is clamped in the second arc-shaped notch (37), and the stop block (33) is clamped in the first arc-shaped notch (43).

8. The roller braking mechanism of claim 7, wherein: the rotating part (42) is vertically connected with a pedal (44) at one end far away from the braking part (41), and the plane where the rotating part (42) is located is vertical to the plane where the pedal (44) is located.

9. The roller braking mechanism of claim 8, wherein: the middle part of rotation portion (42) is equipped with rotatory hole (45), rotatory hole (45) will through pivot (46) rotation portion (42) rotatable connection in organism (1), braking portion (41) with footboard (44) are located respectively the both sides of rotatory hole (45).

10. A high pressure cleaner, characterized by: comprising a roller braking mechanism according to any one of claims 1 to 9.