Leaf sweeper

Abstract

The utility model discloses a leaf sweeper which comprises a sweeper carrier, a tail fixing part is fixedly installed at the tail of the sweeper carrier, a suspension plate is connected to the bottom of the tail fixing part, and a residue suction structure used for sucking leaves into the sweeper carrier from the bottom is arranged at the top of the suspension plate. A suspension frame tail brush is installed at the bottom of the suspension frame plate, two hinge frames are arranged in the middle of the bottom of the sweeper carrier, a ground sweeping fixing frame is hinged to the bottoms of the two hinge frames, and a ground sweeping structure used for sweeping the ground is arranged at the top of the ground sweeping fixing frame. According to the leaf sweeper, the distance between the two telescopic rods is adjusted by pulling the telescopic rods out of the connecting sleeves or inserting the telescopic rods into the connecting sleeves by disassembling the connecting bolts, meanwhile, the ground sweeping brush is driven to rotate through the working principle of the ground sweeping structure, the effect of rolling garbage leaves into the bottom of the suspension plate is achieved, and the effects of adjusting the ground sweeping range, expanding the sweeping range and improving the sweeping efficiency are achieved. And the sweeping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leaf sweepers, in particular to a leaf sweeper. Background Art

[0002] Leaf sweepers, as the name implies, are sweepers suitable for cleaning leaves on the road. In roads, parks, workshops, schools, hospitals and other places, sweepers have become an indispensable cleaning equipment. In particular, the cleaning efficiency of companies and factories has become a headache for everyone.

[0003] At present, leaf sweepers used in roads, parks, factories, schools, hospitals and other places generally adopt brushing and vacuuming methods to absorb the debris and leaves on the ground into the garbage collection box, thereby completing the ground cleaning function. Since the brushes of traditional leaf sweepers used for cleaning roads are fixed in one position and cannot expand their cleaning range, the cleaning efficiency of the sweeper is low. Therefore, a leaf sweeper is proposed to solve the above problem. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model proposes a leaf sweeper, which has the advantages of adjusting the size of the sweeping range, expanding the sweeping range, and improving the sweeping efficiency.

[0005] The utility model provides a leaf sweeper, comprising a sweeper carrier, a tail fixing piece is fixedly installed at the tail of the sweeper carrier, a suspension plate is connected to the bottom of the tail fixing piece, and a residue suction structure for sucking leaves from the bottom into the sweeper carrier is arranged on the top of the suspension plate;

[0006] A suspension tail brush is installed at the bottom of the suspension plate, a floor sweeping fixing frame is movably installed at the bottom of the sweeping machine carrier through two hinged frames, and a floor sweeping structure for cleaning the ground is arranged on the top of the floor sweeping fixing frame;

[0007] A belt limiting frame is arranged on the front of the sweeping machine carrier, a fixing plate is installed at the bottom of the seat of the sweeping machine carrier, and an adjusting structure for pulling the floor sweeping fixing frame is arranged on the fixing plate.

[0008] Preferably, the sweeper vehicle is a three-wheel vehicle, and the articulated frame at the bottom of the sweeper vehicle allows the maximum flip angle of the sweeper fixing frame to be 75°, and the sweeper fixing frame is in the shape of an L-shaped long strip.

[0009] Preferably, the residue suction structure includes a connecting pipe, a blower, an air intake hose and a bottom suction cup, the bottom suction cup is arranged at the bottom of the suspension plate, the blower is installed at the top of the sweeper vehicle, one end of the connecting pipe is connected to the air outlet end of the blower, and the other end is connected to the top of the sweeper vehicle, one end of the air intake hose is connected to the air intake end of the blower, and the other end of the air intake hose is connected to the top of the bottom suction cup.

[0010] Preferably, the floor sweeping structure includes a floor sweeping brush, a main transmission disc, a transmission belt, a secondary transmission disc, a connecting sleeve, a limit block, a conical tooth and a serial hole, the connecting sleeve is arranged on the top of the floor sweeping fixing frame through a mounting frame, telescopic rods are inserted at both ends of the connecting sleeve, a plurality of serial holes are provided at one end of the two telescopic rods inserted into the connecting sleeve, connecting bolts that penetrate the serial holes and are used to connect the connecting sleeve and the telescopic rod are provided at both ends of the connecting sleeve, a conical tooth box is movably installed at one end of the two telescopic rods away from the connecting sleeve through a bearing, two limit blocks are fixedly installed at the bottom of the two conical tooth boxes, four movable grooves are provided at the top of the floor sweeping fixing frame, and the four movable grooves are divided into two groups and are respectively arranged on both sides of the top of the floor sweeping fixing frame, and the four limit blocks are movably arranged in the four movable grooves respectively. , two movable holes are provided on the top of the floor sweeping fixing frame, and the two movable holes are also provided at both ends of the floor sweeping fixing frame, and the ends of the two telescopic rods away from the connecting sleeve are fixedly installed with conical gear one, the number of the floor sweeping brushes is two, the two floor sweeping brushes are respectively arranged at the bottom of the two conical gear boxes, and the transmission shafts of the two floor sweeping brushes respectively pass through the two movable holes and the bottom of the two conical gear boxes and extend into the inside thereof, the transmission shafts on the two floor sweeping brushes are fixedly connected with conical gear two meshing with the two conical gear one, the main transmission disk is arranged on one of the wheel axles of the sweeping machine carrier, the secondary transmission disk is fixedly installed on the outer surface of the connecting sleeve, and the secondary transmission disk and the main transmission disk are located on the same horizontal plane, and the transmission belt is arranged between the main transmission disk and the secondary transmission disk.

[0011] Preferably, the transmission belt is restricted in the strip notch of the limit frame, and a roller is provided in the strip notch of the limit frame to cooperate with the sliding of the transmission belt, the connecting sleeve is supported on the floor sweeping fixing frame through two fixed piles, the tooth patterns of the two conical teeth one are opposite to cooperate with the relative movement of the two conical teeth two, and the connecting bolt is detachably mounted on the connecting sleeve through a matching nut.

[0012] Preferably, the adjusting structure comprises a connecting rope, a handle, a transmission rod, a pulley, a return spring, a clamp, a limit groove, a slider and a limit tooth block, one end of the connecting rope is connected to the bottom of the floor sweeping fixing frame, the transmission rod is arranged between the two side walls of the fixing plate through a bearing, the handle is connected to one end of the transmission rod, the fixed sleeve of the pulley is on one end of the transmission rod, the other end of the connecting rope is fixedly connected to the pulley, the limit tooth block is fixedly sleeved on the outer surface of the transmission rod, the limit groove is provided on a side surface of the fixing plate close to the transmission rod, the slider is slidably installed in the limit groove, the clamp is fixedly installed on the slider, one end of the return spring is connected to the clamp, and the other end of the return spring is fixedly connected to a side wall of the fixing plate.

[0013] Preferably, a concave groove matched with the tooth piece of the limiting tooth block is formed at the bottom of the clamping member, and the concave groove of the clamping member is used to limit and fix the tooth piece of the limiting tooth block.

[0014] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0015] The leaf sweeper adjusts the distance between the two telescopic rods by removing the connecting bolts to pull out the telescopic rod or inserting the connecting sleeve. At the same time, the working principle of the floor sweeping structure drives the floor sweeping brush to rotate, so as to achieve the effect of rolling the garbage leaves into the bottom of the suspension plate, thereby adjusting the size of the floor sweeping range, expanding the cleaning range, and improving the sweeping efficiency.

[0016] The leaf sweeper can prevent the sweeping structure at the bottom of the sweeping fixing frame from being damaged by long-term contact with the ground by turning the handle to make the rope wheel pull the connecting rope, thereby lifting the sweeping fixing frame, thereby improving the service life of the sweeping brush of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a leaf sweeper proposed by the utility model.

[0018] Figure 2 This is a structural schematic diagram of another perspective of a leaf sweeper proposed by the utility model.

[0019] Figure 3 A leaf sweeper proposed by the utility model Figure 1 Schematic diagram of the enlarged structure of A.

[0020] Figure 4 The utility model is a schematic diagram of a floor sweeping structure in a leaf sweeping machine.

[0021] Figure 5A leaf sweeper proposed by the utility model Figure 1 Schematic diagram of the enlarged structure of C in the figure.

[0022] Figure 6 This is a schematic cross-sectional structure diagram of a conical gear box in a leaf sweeper proposed by the utility model.

[0023] Figure 7 This is a structural schematic diagram of the adjustment structure of a leaf sweeper proposed by the utility model.

[0024] Figure 8 A leaf sweeper proposed by the utility model Figure 7 Schematic diagram of the enlarged structure of B.

[0025] Figure numerals: 1. Sweeper carrier; 2. Slag suction structure; 201. Connecting pipe; 202. Blower; 203. Air intake hose; 204. Bottom suction cup; 3. Tail fixing piece; 4. Suspension plate; 5. Sweeper fixing frame; 6. Sweeper structure; 601. Sweeper brush; 602. Conical gear box; 603. Main transmission disc; 604. Transmission belt; 605. Secondary transmission disc; 606. Telescopic rod; 607. Connecting sleeve; 608. Connecting bolt; 609. 09. Moving hole; 6010. Limit block; 6011. Movable slot; 6012. Conical tooth one; 6013. Conical tooth two; 6014. Serial hole; 7. Adjustment structure; 701. Connecting rope; 702. Handle; 703. Transmission rod; 704. Rope pulley; 705. Return spring; 706. Clamp; 707. Limit slot; 708. Slider; 709. Limit tooth block; 8. Fixed plate; 9. Suspension tail brush; 10. Belt limit frame. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0027] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, welding, riveting, bonding, etc., or a detachable connection, threaded connection, key connection, pin connection, etc., or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0029] like Figure 1-6 As shown, a leaf sweeper proposed by the utility model comprises a sweeper carrier 1, the sweeper carrier 1 is a three-wheel carrier, a tail fixing member 3 is fixedly installed at the tail of the sweeper carrier 1, a suspension plate 4 is connected to the bottom of the tail fixing member 3, and a residue suction structure 2 for sucking leaves from the bottom into the inside of the sweeper carrier 1 is arranged on the top of the suspension plate 4;

[0030] A suspension tail brush 9 is installed at the bottom of the suspension plate 4, and a floor sweeping fixing frame 5 is movably installed at the bottom of the sweeping machine carrier 1 through two hinged frames. The floor sweeping fixing frame 5 is in an L-shaped strip shape. The hinged frame at the bottom of the sweeping machine carrier 1 can provide a maximum flip angle of 75° for the floor sweeping fixing frame 5. A floor sweeping structure 6 for cleaning the ground is provided on the top of the floor sweeping fixing frame 5;

[0031] A belt limiting frame 10 is arranged on the front of the sweeping machine carrier 1 , and a fixing plate 8 is installed at the bottom of the seat of the sweeping machine carrier 1 , and an adjusting structure 7 for pulling the sweeping fixing frame 5 is arranged on the fixing plate 8 .

[0032] Specifically, when it is necessary to use a sweeper to clean leaves on the road and in the park, the sweeper carrier 1 can be driven to the road surface, and then the sweeper fixing frame 5 can be loosened through the adjustment structure 7, so that the sweeper structure 6 on the sweeper fixing frame 5 can be adjusted to the ground. After the adjustment is completed, the sweeper structure 6 needs to be used to roll up the garbage leaves to the bottom of the suspension plate 4. At the same time, the suspension tail brush 9 at the bottom of the suspension plate 4 will accumulate the rolled-in garbage leaves at the bottom of the suspension plate 4, and finally the garbage leaves are sucked into the collection space at the top of the sweeper carrier 1 through the residue suction structure 2.

[0033] In an optional embodiment, the residue suction structure 2 includes a connecting pipe 201, a blower 202, an air intake hose 203 and a bottom suction cup 204, the bottom suction cup 204 is arranged at the bottom of the suspension plate 4, the blower 202 is installed on the top of the sweeper vehicle 1, one end of the connecting pipe 201 is connected to the air outlet end of the blower 202, and the other end is connected to the top of the sweeper vehicle 1, one end of the air intake hose 203 is connected to the air intake end of the blower 202, and the other end of the air intake hose 203 is connected to the top of the bottom suction cup 204.

[0034] Specifically, when garbage leaves are piled up at the bottom of the suspension plate 4, the blower 202 can be turned on to generate a strong suction force to suck the garbage leaves from the bottom suction cup 204 into the interior of the air intake hose 203, and then transported to the interior of the connecting pipe 201 by the air intake hose 203. The garbage leaves entering the connecting pipe 201 will directly fall into the collection space of the sweeper carrier 1.

[0035] In an optional embodiment, the floor sweeping structure 6 includes a floor sweeping brush 601, a main transmission disc 603, a transmission belt 604, a secondary transmission disc 605, a connecting sleeve 607, a limit block 6010, a conical tooth 1 6012 and a serial hole 6014. The connecting sleeve 607 is arranged on the top of the floor sweeping fixing frame 5 through a mounting frame. The connecting sleeve 607 is supported on the floor sweeping fixing frame 5 through two fixing piles. Telescopic rods 606 are inserted at both ends of the connecting sleeve 607. A plurality of serial holes 6014 are provided at one end of the two telescopic rods 606 inserted into the connecting sleeve 607. A through hole 6014 is provided at both ends of the connecting sleeve 607. The through-hole 6014 is used to connect the connecting bolt 608 of the connecting sleeve 607 and the telescopic rod 606. The connecting bolt 608 is detachably mounted on the connecting sleeve 607 through a matching nut. The ends of the two telescopic rods 606 away from the connecting sleeve 607 are movably mounted with a bevel gear box 602 through a bearing. Two limit blocks 6010 are fixedly mounted on the bottom of the two bevel gear boxes 602. Four movable grooves 6011 are opened on the top of the floor sweeping fixing frame 5, and the four movable grooves 6011 are divided into two groups and are respectively arranged on both sides of the top of the floor sweeping fixing frame 5. The four limit blocks 6010 are respectively movably arranged in the four movable grooves In the interior of 6011, two moving holes 609 are provided on the top of the floor sweeping fixing frame 5, and the two moving holes 609 are also provided at both ends of the floor sweeping fixing frame 5, and the ends of the two telescopic rods 606 away from the connecting sleeve 607 are fixedly installed with a conical tooth 6012, and the number of floor sweeping brushes 601 is two, and the two floor sweeping brushes 601 are respectively arranged at the bottom of the two conical tooth boxes 602, and the transmission shafts of the two floor sweeping brushes 601 respectively penetrate the two moving holes 609 and the bottom of the two conical tooth boxes 602 and extend to the inside thereof, and the transmission shafts on the two floor sweeping brushes 601 are fixedly connected with the two conical teeth 601. 2 meshing conical teeth 2 6013, the tooth patterns of the two conical teeth 1 6012 are opposite to each other, to cooperate with the relative movement of the two conical teeth 2 6013, the main transmission disc 603 is set on one of the wheel axles of the sweeping machine carrier 1, the secondary transmission disc 605 is fixedly installed on the outer surface of the connecting sleeve 607, and the secondary transmission disc 605 and the main transmission disc 603 are located on the same horizontal plane, the transmission belt 604 is set between the main transmission disc 603 and the secondary transmission disc 605, the transmission belt 604 is restricted in the strip notch of the limiting frame 10, and the strip notch of the limiting frame 10 is provided with a roller to cooperate with the transmission belt 604 to slide.

[0036] It should be noted that the length of the movable hole 609 can be adjusted according to demand, and the movable hole 609 is a movable hole that limits the telescopic adjustment of the telescopic rod 606.

[0037] Specifically, when it is necessary to use the floor sweeping structure 6 to roll the garbage and leaves on the ground into the bottom of the suspension plate 4, the main transmission disc 603 is driven to rotate through the hub shaft of the sweeping machine carrier 1, so that the secondary transmission disc 605 drives the connecting sleeve 607 to rotate under the action of the transmission belt 604, and the connecting sleeve 607 is connected to the telescopic rod 606 through the connecting bolt 608, which further rotates the telescopic rod 606. While the telescopic rod 606 rotates, it drives the conical tooth 1 6012 and the meshing conical tooth 2 6013 to rotate, so that the floor sweeping brush 601 at the bottom of the conical tooth 2 6013 rotates and works. When it is necessary to adjust the distance between the two floor sweeping brushes 601, it is necessary to remove the connecting bolt 608, and then pull out or insert the telescopic rod 606 into the connecting sleeve 607. After the adjustment is completed, it is still fixed by the connecting bolt 608 to complete the effect of adjusting the cleaning range of the two floor sweeping brushes 601.

[0038] In an optional embodiment, the adjustment structure 7 includes a connecting rope 701, a handle 702, a transmission rod 703, a rope pulley 704, a reset spring 705, a clamp 706, a limiting groove 707, a slider 708 and a limiting tooth block 709, one end of the connecting rope 701 is connected to the bottom of the floor sweeping fixed frame 5, the transmission rod 703 is arranged between the two side walls of the fixed plate 8 through a bearing, the handle 702 is connected to one end of the transmission rod 703, the fixed sleeve of the rope pulley 704 is mounted on one end of the transmission rod 703, the other end of the connecting rope 701 is fixedly connected to the rope pulley 704, and the limiting tooth block 709 is fixedly mounted on the fixed sleeve 709. 09 fixed sleeve is arranged on the outer surface of transmission rod 703, limiting groove 707 is provided on one side surface of fixed plate 8 close to transmission rod 703, sliding block 708 is slidably installed in the limiting groove 707, clamping member 706 is fixedly installed on sliding block 708, one end of return spring 705 is connected with clamping member 706, the bottom of clamping member 706 is provided with concave groove matched with the tooth piece of limiting tooth block 709, the concave groove of clamping member 706 is used for limiting and fixing the tooth piece of limiting tooth block 709, the other end of return spring 705 is fixedly connected to a side wall of fixed plate 8.

[0039] Specifically, when it is necessary to fold or unfold the floor sweeping structure 6, one hand can first press the clamping piece 706, so that the clamping piece 706 is disengaged from the interior of the limiting tooth block 709 under the action of the limiting groove 707 and the slider 708, and then the other hand can rotate the handle 702 clockwise or counterclockwise to rotate the transmission rod 703. When the transmission rod 703 rotates again, it will drive the pulley 704 to rotate, and further make the pulley 704 drive the connecting rope 701 to pull the floor sweeping fixing frame 5. The floor sweeping fixing frame 5 is flipped under the action of the two articulated frames 11, so as to pull up the floor sweeping structure 6 at the bottom of the floor sweeping fixing frame 5. After pulling up, the clamping piece 706 is squeezed again through the reset spring 705, so that the clamping piece 706 again limits and fixes the limiting tooth block 709, so as to achieve the effect of preventing the floor sweeping structure 6 from contacting the ground for a long time.

[0040] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A leaf sweeper, comprising a sweeper carrier (1), a tail fixing member (3) being fixedly mounted at the tail of the sweeper carrier (1), a suspension plate (4) being connected to the bottom of the tail fixing member (3), characterized in that: The top of the suspension plate (4) is provided with a residue suction structure (2) for sucking leaves from the bottom into the interior of the sweeper carrier (1); A suspension tail brush (9) is installed at the bottom of the suspension plate (4); a floor sweeping fixing frame (5) is movably installed at the bottom of the sweeping machine carrier (1) via two hinged frames; a floor sweeping structure (6) for sweeping the floor is arranged at the top of the floor sweeping fixing frame (5); the floor sweeping structure (6) comprises a floor sweeping brush (601), a main transmission disc (603), a transmission belt (604), a secondary transmission disc (605), a connecting sleeve (607), a stop block (6010), a conical tooth 1 (6012) and a serial connection hole (6014); the connecting sleeve (607) is arranged at the top of the floor sweeping fixing frame (5) via a mounting frame; telescopic rods are inserted at both ends of the connecting sleeve (607). (606), one end of the two telescopic rods (606) inserted into the connecting sleeve (607) is provided with a plurality of serial holes (6014), and both ends of the connecting sleeve (607) are provided with connecting bolts (608) penetrating the serial holes (6014) for connecting the connecting sleeve (607) and the telescopic rod (606), one end of the two telescopic rods (606) away from the connecting sleeve (607) is movably mounted with a bevel gear box (602) through a bearing, and two limit blocks (6010) are fixedly mounted at the bottom of the two bevel gear boxes (602), and four movable grooves (6011) are formed on the top of the floor sweeping fixing frame (5), and the four movable grooves ( The floor sweeping fixing frame (5) is divided into two groups and respectively arranged on both sides of the top of the floor sweeping fixing frame (5). The four limit blocks (6010) are respectively movably arranged inside the four movable grooves (6011). The top of the floor sweeping fixing frame (5) is provided with two movable holes (609), and the two movable holes (609) are also provided at both ends of the floor sweeping fixing frame (5). The ends of the two telescopic rods (606) away from the connecting sleeve (607) are fixedly installed with conical teeth (6012). The number of the floor sweeping brushes (601) is two, and the two floor sweeping brushes (601) are respectively arranged at the bottom of the two conical tooth boxes (602), and the two floor sweeping brushes (601) are respectively arranged at the bottom of the two conical tooth boxes (602). The transmission shafts respectively penetrate the two movable holes (609) and the bottoms of the two conical gear boxes (602) and extend into the interior thereof; the transmission shafts on the two floor sweeping brushes (601) are fixedly connected to conical gear 2 (6013) meshing with the two conical gear 1s (6012); the main transmission disc (603) is arranged on one of the wheel axles of the floor sweeping machine carrier (1); the secondary transmission disc (605) is fixedly mounted on the outer surface of the connecting sleeve (607); the secondary transmission disc (605) and the main transmission disc (603) are located on the same horizontal plane; and the transmission belt (604) is arranged between the main transmission disc (603) and the secondary transmission disc (605); A belt limiting frame (10) is arranged on the front of the sweeping machine carrier (1), a fixing plate (8) is installed at the bottom of the seat of the sweeping machine carrier (1), and an adjustment structure (7) for pulling the sweeping fixing frame (5) is arranged on the fixing plate (8).

2. A leaf sweeper according to claim 1, characterized in that: The sweeping machine carrier (1) is a three-wheel carrier, and the articulated frame at the bottom of the sweeping machine carrier (1) allows the sweeping machine fixing frame (5) to have a maximum tilting angle of 75°, and the sweeping machine fixing frame (5) is in the shape of an L-shaped strip.

3. A leaf sweeper according to claim 1, characterized in that: The residue suction structure (2) comprises a connecting pipe (201), a blower (202), an air intake hose (203) and a bottom suction cup (204); the bottom suction cup (204) is arranged at the bottom of the suspension plate (4); the blower (202) is installed at the top of the sweeping machine carrier (1); one end of the connecting pipe (201) is connected to the air outlet end of the blower (202), and the other end is connected to the top of the sweeping machine carrier (1); one end of the air intake hose (203) is connected to the air intake end of the blower (202), and the other end of the air intake hose (203) is connected to the top of the bottom suction cup (204).

4. A leaf sweeper according to claim 1, characterized in that: The transmission belt (604) is restricted in the strip-shaped notch of the limiting frame (10), and a roller is provided in the strip-shaped notch of the limiting frame (10) to cooperate with the transmission belt (604) to slide. The connecting sleeve (607) is supported on the floor sweeping fixing frame (5) through two fixing piles. The tooth patterns of the two conical teeth one (6012) are opposite to each other to cooperate with the relative movement of the two conical teeth two (6013). The connecting bolt (608) is detachably mounted on the connecting sleeve (607) through a matching nut.

5. A leaf sweeper according to claim 1, characterized in that: The adjustment structure (7) comprises a connecting rope (701), a handle (702), a transmission rod (703), a rope wheel (704), a return spring (705), a clamp (706), a limiting groove (707), a slider (708) and a limiting tooth block (709); one end of the connecting rope (701) is connected to the bottom of the floor sweeping fixing frame (5); the transmission rod (703) is arranged between two side walls of the fixing plate (8) via a bearing; the handle (702) is connected to one end of the transmission rod (703); the rope wheel (704) is fixedly sleeved on one end of the transmission rod (703); The other end of the connecting rope (701) is fixedly connected to the rope wheel (704), the limiting tooth block (709) is fixedly sleeved on the outer surface of the transmission rod (703), the limiting groove (707) is opened on a side surface of the fixing plate (8) close to the transmission rod (703), the sliding block (708) is slidably installed inside the limiting groove (707), the clamping member (706) is fixedly installed on the sliding block (708), one end of the reset spring (705) is connected to the clamping member (706), and the other end of the reset spring (705) is fixedly connected to a side wall of the fixing plate (8).

6. A leaf sweeper according to claim 5, characterized in that: A concave groove matching the tooth piece of the position-limiting tooth block (709) is provided at the bottom of the clamping member (706), and the concave groove of the clamping member (706) is used to achieve the effect of limiting and fixing the tooth piece of the position-limiting tooth block (709).

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