CN215777835U

CN215777835U - Pressure adjusting device for brush disc of floor washing machine

Info

Publication number: CN215777835U
Application number: CN202120412972.7U
Authority: CN
Inventors: 潘小龙; 蔡俊杰; 曲兴凯; 田楚辉; 余延斌
Original assignee: Hangzhou Hangcha Cab Co ltd; Hangcha Group Co Ltd
Current assignee: Hangzhou Hangcha Cab Co ltd; Hangcha Group Co Ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2022-02-11
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the field of floor washers, and discloses a floor washer brush disc pressure regulating device, which has the technical scheme that the floor washer brush disc pressure regulating device comprises a lifting mechanism and a brush disc mechanism, wherein the brush disc mechanism comprises a support plate, a U-shaped support is fixedly connected onto the support plate, a counterweight bracket is fixedly connected onto the U-shaped support, a counterweight block is fixedly connected onto the counterweight bracket, the lifting mechanism comprises a fixed frame, an electric push rod and a sliding assembly, through arranging a tension spring, when the electric push rod drives a slide rod to move towards one end close to the electric push rod, the tension spring is stretched at the moment to reduce the force of the slide rod against the output end of the electric push rod and towards the electric push rod, the service life of the electric push rod can be prolonged, the position of the slide rod can be changed through the electric push rod, the height position of a fixed block can be changed, in addition, through driving the lifting of the fixed block through the electric push rod, the pressure of a brush disc on the ground in the brush disc mechanism can be changed, the weight increases the range within which the pressure can be adjusted.

Description

Pressure adjusting device for brush disc of floor washing machine

Technical Field

The utility model relates to the field of floor washers, in particular to a pressure adjusting device for a floor washer brush disc.

Background

The floor washing machine is a cleaning machine which is suitable for cleaning hard ground and simultaneously sucking and drying sewage and taking the sewage away from the site, and has the advantages of environmental protection, energy conservation, high efficiency and the like. The floor washing machines are respectively a semi-automatic floor washing machine, a full-automatic floor washing machine, a hand-push floor washing machine and a driving floor washing machine;

the floor cleaning machine is internally provided with a brush disc mechanism, a brush disc is arranged in the brush disc mechanism, the brush disc mechanism cleans the ground through the brush disc, and the lifting device with the brush disc adjusts the position height of the brush disc on the ground through the lifting device, so that the brush disc can work; power is provided through electric putter among general elevating gear, the flexible lift that can be convenient realization brush dish of electric putter, and electric putter drives the brush dish through driving the rope body and goes up and down, but electric putter is after long-time the use, and electric putter's output receives the reverse effort of the rope body to it for electric putter damages more easily, and general floor scrubber is difficult to adjust the pressure of brush dish to ground.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a pressure adjusting device for a brush disc of a floor washing machine, which is used for adjusting the pressure of the brush disc on the ground and prolonging the service life of an electric push rod.

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

a pressure adjusting device for a brush disc of a floor washing machine comprises a lifting mechanism and a brush disc mechanism, wherein the brush disc mechanism comprises a support plate, a U-shaped support is fixedly connected onto the support plate, a counterweight frame is fixedly connected onto the U-shaped support, a counterweight block is fixedly connected onto the counterweight frame, the lifting mechanism comprises a fixing frame, an electric push rod and a sliding assembly, the sliding assembly comprises a slide rod and two fixing parts, the slide rod is fixed between the two fixing parts and is in sliding connection with the fixing frame, the electric push rod is used for driving the slide rod to move in the horizontal direction, a tension spring is fixedly connected between the fixing part and the fixing frame, a rope body is fixedly connected between the two fixing parts, a fixing block is fixedly connected onto the rope body, two opposite side surfaces of the fixing frame are respectively provided with a guide assembly, and the rope body passes through the guide assembly so as to enable the fixing block to move in the vertical direction, the fixing block is provided with a through hole, a fixing rod is fixedly connected between the inner walls of two opposite sides of the U-shaped support, and the fixing rod penetrates through the through hole.

In the present invention, preferably, first waist-shaped holes are respectively formed at two opposite sides of the counterweight frame, and the fixing rod passes through the first waist-shaped holes.

In the utility model, preferably, the fixing portion includes two fixing plates, a second waist-shaped hole is formed in each fixing plate, one end of the extension spring on the same side is fixedly connected between the two fixing plates, and two ends of the sliding rod respectively penetrate through the corresponding second waist-shaped holes.

In the utility model, preferably, sliding grooves are respectively formed in two opposite side surfaces of the fixed frame, and the sliding rod is connected with the sliding grooves in a sliding manner.

In the utility model, preferably, the guide assembly comprises a pressing plate, and a pulley is rotatably connected between the pressing plate and the fixing frame.

In the present invention, preferably, a limiting block is disposed between the fixing plate adjacent to the fixing frame and the fixing frame, the limiting block is fixedly connected to the sliding rod, the rope body includes a first stretching section and a second stretching section, and the limiting block makes the first stretching section and the second stretching section parallel to each other.

In the present invention, it is preferable that a central axis of the pulley is located lower than a position of the slide bar so that the first stretching section is parallel to a horizontal plane.

In the utility model, preferably, the fixing block comprises a positioning block and a U-shaped connecting block, the positioning block is fixedly connected in the U-shaped connecting block, and the through hole is formed between the positioning block and the bottom wall of the U-shaped connecting block.

In the utility model, preferably, the positioning block is divided into a first attaching block and a second attaching block, a first groove is respectively formed on one side surface of the first attaching block opposite to one side surface of the second attaching block, and the two first grooves form a space for the rope to pass through.

In the utility model, preferably, second grooves are respectively formed in two sides of the positioning block, which are close to the inner wall of the U-shaped support, the second grooves are matched with the rope body, and the second grooves and the through holes are in curved surface transition.

The utility model has the beneficial effects that: according to the utility model, the extension spring is arranged, so that when the electric push rod drives the slide rod to move towards one end close to the electric push rod, the fixed block vertically moves downwards by virtue of gravity, the extension spring is extended at the moment to reduce the force of the slide rod against the output end of the electric push rod and towards the electric push rod, the service life of the electric push rod can be prolonged, and the position of the slide rod can be adjusted between the two fixed parts by arranging the two fixed parts, so that the slide rod and the electric push rod are conveniently fixed, the position of the slide rod is changed by virtue of the electric push rod, the height position of the fixed block can be changed, in addition, the electric push rod drives the fixed block to lift, the pressure of a brush disc in a brush disc mechanism on the ground can be changed, and the pressure adjustable range of the counterweight block is increased.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a schematic perspective view of the lift mechanism of the present invention;

FIG. 5 is a side view of the lift mechanism of the present invention;

fig. 6 is a top view of the lift mechanism of the present invention.

Reference numerals: 1. a lifting mechanism; 11. a fixed mount; 111. a chute; 12. an electric push rod; 13. a sliding assembly; 131. a slide bar; 132. a fixed part; 133. a fixing plate; 134. a second kidney-shaped hole; 2. a brush disc mechanism; 21. a support plate; 22. a U-shaped bracket; 221. fixing the rod; 23. a counterweight frame; 231. a first kidney-shaped hole; 24. a balancing weight; 3. an extension spring; 4. a rope body; 41. a first stretching section; 42. a second stretching section; 5. a fixed block; 51. a through hole; 52. positioning blocks; 521. a first fitting block; 522. a second fitting block; 523. a first groove; 524. a second groove; 53. a U-shaped connecting block; 6. a guide assembly; 61. pressing a plate; 62. a pulley; 7. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a pressure adjusting device for a brush plate of a floor washing machine of the present embodiment includes a lifting mechanism 1 and a brush plate mechanism 2, the brush plate mechanism 2 includes a fixing plate 133, a U-shaped bracket 22 is fixedly connected to the fixing plate 133, a counterweight frame 23 is fixedly connected to the U-shaped bracket 22, a counterweight 24 is fixedly connected to the counterweight frame 23, the counterweight 24 is used to increase the weight of the fixing block 5, so that when the fixing block 5 moves downward, the position of the fixing block 5 is adjusted by the movement of the output end of the electric push rod 12, thereby controlling the pressure of the brush plate contacting the ground in the brush plate mechanism 2, the setting of the counterweight 24 increases the adjustable range of the pressure, the lifting mechanism 1 includes a fixing frame 11, the electric push rod 12, and a sliding assembly 13, the sliding assembly 13 includes a sliding rod 131 and two fixing portions 132, the sliding rod 131 is fixed between the two fixing portions 132, the fixing portions 132 are convenient for fixing the sliding rod 131, the position of the sliding rod 131 between the two fixing portions 132 can be adjusted, the sliding rod 131 is slidably connected with the fixing frame 11, the electric push rod 12 is used for driving the sliding rod 131 to move in the horizontal direction, the extension spring 3 is fixedly connected between the fixing portions 132 and the fixing frame 11, the extension spring 3 is arranged, when the output end of the electric push rod 12 retracts, the fixing block 5 vertically moves downwards by means of gravity, the sliding rod 131 has a force towards the electric push rod 12 towards the output end of the electric push rod 12, the extension spring 3 provides a force away from the electric push rod 12, the influence of the sliding rod 131 on the electric push rod 12 when the fixing block 5 vertically moves downwards is reduced, the service life of the electric push rod 12 can be prolonged, the rope body 4 is fixedly connected between the two fixing portions 132, the rope body 4 is a rope, the fixing block 5 is fixedly connected to the rope body 4, two opposite side faces of the fixing frame 11 are respectively provided with the guide assemblies 6, the rope body 4 passes through the guide assembly 6 so that the fixing block 5 moves in the vertical direction, a through hole 51 is formed in the fixing block 5, a fixing rod 221 is fixedly connected between the inner walls of two opposite sides of the U-shaped support 22, and the fixing rod 221 penetrates through the through hole 51.

Referring to fig. 2, the two opposite sides of the weight frame 23 are respectively provided with a first waist-shaped hole 231, the fixing rod 221 passes through the first waist-shaped hole 231, and the first waist-shaped hole 231 is convenient for the installation of the weight frame 23.

Referring to fig. 1, 4 and 6, the fixing portion 132 includes two fixing plates 133, and a second waist-shaped hole 134 is formed in the fixing plate 133, so that the fixing plate 133 can fix the rope 4 and the extension spring 3 more conveniently and stably, one end of the extension spring 3 on the same side is fixedly connected between the two fixing plates 133, two ends of the sliding rod 131 respectively pass through the corresponding second waist-shaped holes 134, and two ends of the sliding rod 131 are provided with threads and are fixedly connected to the fixing plate 133 through nuts.

Referring to fig. 4 and 5, sliding grooves 111 are respectively formed on two opposite side surfaces of the fixed frame 11, the sliding rod 131 is slidably connected to the sliding grooves 111, and the sliding grooves 111 provide a direction and a supporting force for the movement of the sliding rod 131.

Referring to fig. 1, 4, 5 and 6, the guiding assembly 6 includes a pressing plate 61, a pulley 62 is rotatably connected between the pressing plate 61 and the fixing frame 11, the rope 4 is wound on the pulley 62, and transmission can be more conveniently realized through the pulley 62.

Referring to fig. 5 and 6, a stopper 7 is disposed between the fixing plate 133 adjacent to the fixing frame 11 and the fixing frame 11, the stopper 7 is fixedly connected to the sliding rod 131, the rope body 4 includes a first stretching section 41 and a second stretching section 42, the first stretching section 41 and the second stretching section 42 are portions of the rope body 4 located between the pulley 62 and the fixing portion 132, the stopper 7 makes the first stretching section 41 and the second stretching section 42 parallel to each other, so that the first stretching section 41 and the second stretching section 42 stably slide on the pulley 62, and prevents the first stretching section 41 and the second stretching section 42 from sliding off the pulley 62, and a central axis of the pulley 62 is located at a position lower than that of the sliding rod 131, so that the first stretching section 41 is parallel to a horizontal plane. The pulling force of the sliding rod 131 on the first stretching section 41 and the second stretching section 42 is parallel to the horizontal plane, so that the application of the force is more complete, and the decomposition of the force is prevented.

Referring to fig. 2, 4 and 5, the fixing block 5 includes a positioning block 52 and a U-shaped connecting block 53, the positioning block 52 is fixedly connected in the U-shaped connecting block 53, and a through hole 51 is formed between the positioning block 52 and the bottom wall of the U-shaped connecting block 53. The through hole 51 is formed by the structure, so that the method is more convenient and simpler to process.

Referring to fig. 2, 4 and 5, the positioning block 52 is divided into a first fitting block 521 and a second fitting block 522, a first groove 523 is respectively formed on one side surface of the first fitting block 521 opposite to the second fitting block 522, and the two first grooves 523 form a space through which the rope body 4 passes. The rope body 4 is provided to pass through the first groove 523, so that the problem that the rope body 4 and the fixing block 5 are difficult to fixedly connect is solved.

Referring to fig. 4 and 5, the positioning block 52 is provided with second grooves 524 on both sides of the inner wall of the U-shaped bracket 22, the second grooves 524 are adapted to the rope body 4, and the second grooves 524 are in curved surface transition with the through holes 51. The second groove 524 is provided, so that the friction between the rope body 4 and the fixing block 5 is reduced when the rope body 4 lifts the fixing block 5, and the service life of the rope body 4 is prolonged.

The working principle is as follows: when electric putter 12 drives slide bar 131 and moves towards the one end of keeping away from electric putter 12, slide bar 131 stimulates rope body 4, rope body 4 makes fixed block 5 rebound through pulley 62, when electric putter 12 drives slide bar 131 and moves towards the one end that is close to electric putter 12, fixed block 5 relies on the vertical downstream of gravity, extension spring 3 is stretched this moment, it offsets with electric putter 12 output to reduce slide bar 131, the power towards electric putter 12, this moment, the pressure of brush dish in the brush dish mechanism 2 to ground constantly changes, through electric putter 12 so that the lift of fixed block 5, can adjust the pressure of brush dish to ground.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a floor cleaning machine brush dish pressure regulating device, includes elevating system (1) and brush dish mechanism (2), brush dish mechanism (2) include extension board (21), its characterized in that: the support plate (21) is fixedly connected with a U-shaped support (22), the U-shaped support (22) is fixedly connected with a counterweight frame (23), the counterweight frame (23) is fixedly connected with a counterweight block (24), the lifting mechanism (1) comprises a fixing frame (11), an electric push rod (12) and a sliding assembly (13), the sliding assembly (13) comprises a slide rod (131) and two fixing parts (132), the slide rod (131) is fixed between the two fixing parts (132), the slide rod (131) is in sliding connection with the fixing frame (11), the electric push rod (12) is used for driving the slide rod (131) to move in the horizontal direction, a stretching spring (3) is fixedly connected between the fixing parts (132) and the fixing frame (11), a rope body (4) is fixedly connected between the two fixing parts (132), and a fixing block (5) is fixedly connected with the rope body (4), the utility model discloses a rope fixing device, including fixing frame (11), rope body (4), fixing block (5), through-hole (51), fixed connection has dead lever (221) between the relative both sides inner wall of U type support (22), dead lever (221) pass through-hole (51), both sides face that fixing frame (11) is relative is provided with guide assembly (6) respectively, rope body (4) pass through guide assembly (6) are so that fixed block (5) move in vertical direction, through-hole (51) have been seted up on fixed block (5).

2. The pressure regulating device for the floor washing machine brush tray according to claim 1, characterized in that: first waist-shaped holes (231) are respectively formed in two opposite sides of the counterweight frame (23), and the fixing rod (221) penetrates through the first waist-shaped holes (231).

3. The pressure regulating device for the floor washing machine brush tray according to claim 1, characterized in that: the fixing portion (132) comprises two fixing plates (133), a second waist-shaped hole (134) is formed in each fixing plate (133), one end of the extension spring (3) on the same side is fixedly connected between the two fixing plates (133), and two ends of the sliding rod (131) penetrate through the corresponding second waist-shaped holes (134) respectively.

4. The pressure regulating device for the floor washing machine brush tray according to claim 3, characterized in that: the two opposite side surfaces of the fixed frame (11) are respectively provided with a sliding groove (111), and the sliding rod (131) is in sliding connection with the sliding grooves (111).

5. The pressure regulating device for the floor washing machine brush tray according to claim 3, characterized in that: the guide assembly (6) comprises a pressing plate (61), and a pulley (62) is rotatably connected between the pressing plate (61) and the fixing frame (11).

6. The pressure regulating device for the floor washing machine brush tray according to claim 5, wherein: and a limiting block (7) is arranged between the fixing plate (133) adjacent to the fixing frame (11) and the fixing frame (11), the limiting block (7) is fixedly connected to the sliding rod (131), the rope body (4) comprises a first stretching section (41) and a second stretching section (42), and the limiting block (7) enables the first stretching section (41) and the second stretching section (42) to be parallel to each other.

7. The pressure regulating device for the floor washing machine brush tray according to claim 6, characterized in that: the central shaft position of the pulley (62) is lower than the position of the slide bar (131) so that the first stretching section (41) is parallel to the horizontal plane.

8. The pressure regulating device for the floor washing machine brush tray according to claim 1, characterized in that: the fixing block (5) comprises a positioning block (52) and a U-shaped connecting block (53), the positioning block (52) is fixedly connected in the U-shaped connecting block (53), and the through hole (51) is formed between the positioning block (52) and the bottom wall of the U-shaped connecting block (53).

9. The pressure regulating device for the floor washing machine brush tray according to claim 8, wherein: the positioning block (52) is divided into a first attaching block (521) and a second attaching block (522), a first groove (523) is formed in one side face, opposite to the first attaching block (521) and the second attaching block (522), of the first attaching block, and a space for the rope body (4) to pass through is formed by the two first grooves (523).

10. The pressure regulating device for the floor washing machine brush tray according to claim 8, wherein: second grooves (524) are respectively formed in two sides, close to the inner wall of the U-shaped support (22), of the positioning block (52), the second grooves (524) are matched with the rope body (4), and the second grooves (524) are in curved surface transition with the through holes (51).