Equipment for cleaning leaves on two sides of road and using method thereof

Abstract

The invention discloses equipment for cleaning leaves on two sides of a road and a using method thereof, and belongs to the technical field of leaf cleaning equipment. Comprising a driving assembly, a leaf removing assembly is arranged on one side of the driving assembly, the driving assembly comprises a machine bin, a communication connector is formed in the top of one side of the machine bin, a frame groove is formed in the bottom of the other side of the machine bin, the communication connector communicates with the leaf removing assembly, and a leaf storage frame is slidably connected into the frame groove; a negative pressure vacuum pump is fixedly installed in the middle of the top end of the machine bin, a filter element is fixedly installed at the input end of the negative pressure vacuum pump and arranged in the machine bin, a compression plate is slidably connected into the machine bin, first telescopic rods are fixedly installed at the two ends of the top of the machine bin, and the output ends of the first telescopic rods are fixedly connected with the compression plate. According to the leaf cleaning device, leaves can be compacted in the leaf storage frame, more leaves can be collected and stored in the leaf storage frame, the leaf cleaning efficiency of the device is improved, and the leaf cleaning device has high practical value.

Description

Technical Field

[0001] The invention relates to the technical field of leaf cleaning equipment, and in particular to a leaf cleaning equipment for both sides of a road and a use method thereof. Background Art

[0002] Leaf cleaning equipment refers to mechanical equipment specially used to clean fallen leaves and other small garbage on and on both sides of the road. This type of equipment can effectively reduce the intensity of manual labor, improve cleaning efficiency, keep the road environment clean and beautiful, and also help ensure traffic safety. The traditional method usually uses a vacuum cleaner or manual cleaning of leaves, and the garbage is sucked into the storage box through strong suction. However, leaves are usually fluffy and can easily fill the storage box, requiring frequent dumping, which affects work efficiency and is inconvenient to use. Summary of the invention

[0003] The object of the present invention is to provide a leaf clearing device for both sides of a road to solve the problems raised in the above-mentioned background technology.

[0004] In view of the above problems, the technical solution proposed by the present invention is:

[0005] A leaf clearing device for both sides of a road comprises a driving component, a leaf removal component is provided on one side of the driving component, the driving component comprises a machine chamber, a connecting interface is provided at the top of one side of the machine chamber, and a frame groove is provided at the bottom of the other side of the machine chamber, the connecting interface is connected to the leaf removal component, a leaf storage frame is slidably connected inside the frame groove, a negative pressure vacuum pump is fixedly installed at the middle of the top end of the machine chamber, a filter element is fixedly installed at the input end of the negative pressure vacuum pump, the filter element is arranged inside the machine chamber, a compression plate is slidably connected inside the machine chamber, first telescopic rods are fixedly installed at both ends of the top of the machine chamber, and the output end of the first telescopic rod is fixedly connected to the compression plate.

[0006] As a preferred technical solution of the present invention, a sliding ring is provided in the middle of the compression plate, the sliding ring is sleeved on the outside of the filter element, and bristles are fixedly installed on the inside of the sliding ring.

[0007] As a preferred technical solution of the present invention, leaf dropping grooves are provided at both ends of the compression plate, a flip plate is provided inside the leaf dropping groove, and the flip plate is hinged to the sliding ring.

[0008] As a preferred technical solution of the present invention, turning grooves are opened on both sides of the interior of the machine chamber, and guide grooves are opened on both sides of the interior of the leaf storage frame, and the turning grooves are connected to the guide grooves.

[0009] As a preferred technical solution of the present invention, guide blocks are fixedly installed at both ends of the bottom of the flip plate, the guide blocks are slidably connected with the flip groove and the guide groove, and a flip cavity is opened at the top of the cabin.

[0010] As a preferred technical solution of the present invention, blocks are fixedly installed at both ends of the outer side of the frame groove, a pull-out handle is fixedly installed at one end of the leaf storage frame, and the leaf storage frame is provided with buckles rotatably connected at both ends of one side of the pull-out handle, the buckles are engaged with the blocks, and movable holes are opened at both ends of the leaf storage frame.

[0011] As a preferred technical solution of the present invention, the machine cabin is provided with a fixed plate fixedly installed on the bottom of one side of the connecting interface, a traveling wheel is fixedly installed on the bottom of the fixed plate, a moving handle is fixedly installed on the top of the side of the machine cabin away from the leaf removal component, and the machine cabin is provided with a universal wheel fixedly installed on the bottom of one end of the moving handle.

[0012] As a preferred technical solution of the present invention, the leaf removal assembly includes a suction hood, the top of the suction hood is connected to a connecting pipe, the top of the connecting pipe is connected to a connecting interface, four cleaning motors are fixedly installed on one side of the suction hood, a cleaning brush is fixedly installed on the output end of the cleaning motor, connecting plates are fixedly installed at both ends of the suction hood, and guide sleeves are fixedly installed at both ends of the top of the connecting plate.

[0013] As a preferred technical solution of the present invention, a second telescopic rod is fixedly installed in the middle of the top of the fixed plate, the output end of the second telescopic rod is fixedly connected to the middle of the top of the connecting plate, guide rods are fixedly installed at both ends of the top of the fixed plate, and the guide rods are slidably connected to the guide sleeve.

[0014] In another aspect, the present invention provides a method for using a roadside leaf cleaning device, comprising the following steps:

[0015] Step 1, start the equipment: start the negative pressure vacuum pump to form negative pressure inside the cabin, so that the leaf removal component can clean and suck the leaves on both sides of the road. The second telescopic rod drives the leaf removal component to move downward, and the suction cover and the cleaning brush are close to the ground. The cleaning motor works to make the cleaning brush clean the leaves on the road surface, so that the suction cover can suck the leaves into the cabin;

[0016] Step 2: Mobile cleaning: Push the mobile handle to move the device along the edge of the road, so that the cleaning brush can clean the road surface, and the suction cover can suck the leaves on the top of the road surface into the machine compartment, and the sucked leaves fall into the leaf storage frame. The first telescopic rod drives the compression plate to press downward, so that the leaves are tightly compressed and stuffed into the leaf storage frame, so that more leaves can be cleaned and the efficiency can be improved.

[0017] Step three, dump the leaves: After the cleaning work is completed, turn the buckle to disengage the buckle from the card block, use the pull-out handle to pull out the leaf storage frame, and through the setting of the movable hole, the leaf storage frame can be easily moved, so as to conveniently collect and process the leaves, insert the empty leaf storage frame into the frame slot, turn the buckle to engage the buckle with the card block, so as to facilitate the next leaf cleaning.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the leaf cleaning equipment on both sides of the road is connected to the leaf removal component through a connecting interface, so that the negative pressure inside the machine compartment generates suction, and the leaf removal component is convenient for sucking the leaves into the machine compartment; a leaf storage frame is connected by sliding inside the frame groove, so that the leaf storage frame can collect the leaves sucked into the machine compartment; a filter element is fixedly installed at the input end of the negative pressure vacuum pump, and the filter element is arranged inside the machine compartment, so that the negative pressure vacuum pump can work to draw the inside of the machine compartment to vacuum, so that the leaf removal component can generate suction to suck the leaves into the machine compartment; the output end of the first telescopic rod is fixedly connected to the compression plate, so that the first compression rod drives the compression plate to move downward, so that the compression plate compresses the leaves downward, and compacts the leaves inside the leaf storage frame, so that more leaves can be collected and stored inside the leaf storage frame, thereby improving the efficiency of the device in cleaning leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a device for cleaning leaves on both sides of a road disclosed in an embodiment of the present invention;

[0020] Figure 2 An exploded view of a drive assembly disclosed in an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of the three-dimensional structure of a compression plate disclosed in an embodiment of the present invention;

[0022] Figure 4 A cross-sectional view of a nacelle disclosed in an embodiment of the present invention;

[0023] Figure 5 A schematic diagram of the three-dimensional structure of a leaf removal assembly disclosed in an embodiment of the present invention;

[0024] Figure 6 The present invention is a flowchart of a device for clearing leaves on both sides of a road disclosed in an embodiment of the present invention.

[0025] In the figure: 101, driving assembly; 10101, machine chamber; 10102, negative pressure vacuum pump; 10103, fixing plate; 10104, traveling wheel; 10105, universal wheel; 10106, leaf storage frame; 10107, extraction handle; 10108, buckle; 10109, moving handle; 10110, flip chamber; 10111, first telescopic rod; 10112, block; 10113, frame groove; 10114, second telescopic rod; 10115, guide rod; 10116, second telescopic rod; 10117, guide rod; 10118, second telescopic rod; 10119, guide rod; 10120, second telescopic rod; 10121, guide rod; 10122, second telescopic rod; 10123, guide rod; 10124, second telescopic rod; 10125, guide rod; 10126, first telescopic rod; 10127, second telescopic rod; 10128, guide rod; 10129, first telescopic rod; 10130, first telescopic rod; 10131, first telescopic rod; 10132, second telescopic rod; 10133, first telescopic rod; 10134, second telescopic rod; 10135, guide rod; 10136, first telescopic rod; 10137, first telescopic rod; 10138, second telescopic rod; 10139, first telescopic rod; 10140, second telescopic rod; 10141, second telescopic rod; 10142, second telescopic rod; 10143, second telescopic rod; 10144, second telescopic rod; 10145, guide rod 116. Moving hole; 10117. Guide groove; 10118. Compression plate; 10119. Leaf falling groove; 10120. Flip plate; 10121. Guide block; 10122. Sliding ring; 10123. Filter element; 10124. Flip groove; 10125. Connecting interface; 102. Leaf removal assembly; 10201. Suction hood; 10202. Cleaning motor; 10203. Cleaning brush; 10204. Connecting pipe; 10205. Connecting plate; 10206. Guide sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1 - Figure 5The present invention provides a technical solution: a road leaf cleaning device, comprising a driving component 101, a leaf removal component 102 is arranged on one side of the driving component 101, the driving component 101 comprises a machine room 10101, a connecting interface 10125 is provided on the top of one side of the machine room 10101, and a frame groove 10113 is provided on the bottom of the other side of the machine room 10101, the connecting interface 10125 is connected with the leaf removal component 102, and the connecting interface 10125 is connected with the leaf removal component 102, so that the machine room 10101 can be cleaned by the leaf removal component 102. The negative pressure inside the bin 10101 generates suction, which facilitates the leaf removal component 102 to suck the leaves into the bin 10101. The frame groove 10113 is slidably connected to the leaf storage frame 10106, which is slidably connected to the leaf storage frame 10106 inside the frame groove 10113, so that the leaf storage frame 10106 can collect the leaves sucked into the bin 10101. A negative pressure vacuum pump 10102 is fixedly installed in the middle of the top of the bin 10101, and a filter element 1 is fixedly installed at the input end of the negative pressure vacuum pump 10102. 0123, the filter element 10123 is arranged inside the machine room 10101, and the filter element 10123 is fixedly installed at the input end of the negative pressure vacuum pump 10102. The filter element 10123 is arranged inside the machine room 10101, so that the negative pressure vacuum pump 10102 can work to draw the inside of the machine room 10101 to a vacuum, so that the leaf removal component 102 can generate suction to suck the leaves into the machine room 10101. The machine room 10101 is slidably connected with a compression plate 10118, and the top two ends of the machine room 10101 are fixed. A first telescopic rod 10111 is fixedly installed, and the output end of the first telescopic rod 10111 is fixedly connected to the compression plate 10118. The output end of the first telescopic rod 10111 is fixedly connected to the compression plate 10118, so that the first compression rod 10111 drives the compression plate 10118 to move downward, so that the compression plate 10118 compresses the leaves downward and compacts the leaves inside the leaf storage frame 10106, so that more leaves can be collected and stored inside the leaf storage frame 10106, thereby improving the efficiency of the device in cleaning leaves.

[0028] An embodiment of the present invention is further provided with a sliding ring 10122 in the middle of the compression plate 10118, the sliding ring 10122 is sleeved on the outside of the filter element 10123, and bristles are fixedly installed on the inner side of the sliding ring 10122. The sliding ring 10122 is sleeved on the outside of the filter element 10123, and bristles are fixedly installed on the inner side of the sliding ring 10122, so that the compression plate 10118 can bypass the filter element 10123 when moving up and down, and can scrape off leaves attached to the outside of the filter element 10123, so as to avoid affecting the vacuum effect of the negative pressure vacuum pump 10102.

[0029] An embodiment of the present invention, further, leaf falling grooves 10119 are opened at both ends of the compression plate 10118, and a flip plate 10120 is provided inside the leaf falling groove 10119, and the flip plate 10120 is hinged to the sliding ring 10122, so that the leaves entering the cabin 10101 fall on the top of the compression plate 10118 when the leaves are compressed. When the flip plate 10120 flips downward, the leaves on the top of the compression plate 10118 pass through the leaf falling groove 10119 and fall into the leaf storage frame 10106.

[0030] According to an embodiment of the present invention, further, turning grooves 10124 are opened on both sides of the interior of the machine chamber 10101, and guide grooves 10117 are opened on both sides of the interior of the leaf storage frame 10106, and the turning grooves 10124 and the guide grooves 10117 are connected. An embodiment of the present invention is further provided with guide blocks 10121 fixedly installed at both ends of the bottom of the flip plate 10120, the guide blocks 10121 are slidably connected with the flip groove 10124 and the guide groove 10117, a flip cavity 10110 is provided at the top of the machine chamber 10101, and the guide blocks 10121 are slidably connected with the flip groove 10124 and the guide groove 10117, a flip cavity 10110 is provided at the top of the machine chamber 10101, so that the machine chamber 10101 does not hinder the flipping of the flip plate 10112, and the compression plate 10118 drives the flip plate 10112 to flip downward when moving upward, and the compression plate 10118 drives the flip plate 10112 to flip upward when moving downward to block the leaf falling groove 10119, so that the leaves are compressed inside the leaf storage frame 10106.

[0031] An embodiment of the function of the present invention, further, blocks 10112 are fixedly installed at both ends of the outer side of the frame groove 10113, a pull-out handle 10107 is fixedly installed at one end of the leaf storage frame 10106, the leaf storage frame 10106 is provided with a pull-out handle 10107 on one side, and buckles 10108 are rotatably connected at both ends, the buckle 10108 is snap-fitted and connected with the block 10112, and movable holes 10116 are provided at both ends of the leaf storage frame 10106, which are snap-fitted and connected with the block 10112 through the buckle 10108, and movable holes 10116 are provided at both ends of the leaf storage frame 10106, so that the leaf storage frame 10106 can be locked and fixed inside the frame groove 10113, and the movable holes 10116 can conveniently drive the leaf storage frame 10106 to move, so as to facilitate the processing of leaves collected inside the leaf storage frame 10106.

[0032] According to an embodiment of the present invention, further, a cabin 10101 is provided with a connecting interface 10125, a fixing plate 10103 is fixedly installed on the bottom of one side, a traveling wheel 10104 is fixedly installed on the bottom of the fixing plate 10103, a moving handle 10109 is fixedly installed on the top of the cabin 10101 away from the leaf removal component 102, and a universal wheel 10105 is fixedly installed on the bottom of one end of the moving handle 10109 of the cabin 10101. By fixing the moving handle 10109 on the top of the cabin 10101 away from the leaf removal component 102 and fixing the universal wheel 10105 on the bottom of one end of the moving handle 10109 of the cabin 10101, the pushing device is convenient for moving, so as to facilitate the cleaning of leaves on both sides of the road.

[0033] An embodiment of the present invention further comprises a leaf removal component 102 including a suction hood 10201, a connecting pipe 10204 is connected to the top of the suction hood 10201, a top of the connecting pipe 10204 is connected to a connecting interface 10125, four cleaning motors 10202 are fixedly installed on one side of the suction hood 10201, a cleaning brush 10203 is fixedly installed on the output end of the cleaning motor 10202, connecting plates 10205 are fixedly installed at both ends of the suction hood 10201, guide sleeves 10206 are fixedly installed at both ends of the top of the connecting plate 10205, and through the setting of the suction hood 10201, it is convenient for the cleaning motor 10202 to drive the cleaning brush 10203 to clean the leaves on the road surface, so that the suction hood 10201 sucks the leaves into the cabin 10101.

[0034] An embodiment of the present invention is further implemented, wherein a second telescopic rod 10114 is fixedly installed on the middle part of the top of the fixed plate 10103, and an output end of the second telescopic rod 10114 is fixedly connected to the middle part of the top of the connecting plate 10205, and guide rods 10115 are fixedly installed on both ends of the top of the fixed plate 10103, and the guide rod 10115 is slidably connected to the guide sleeve 10206. The guide rod 10115 is slidably connected to the guide sleeve 10206, so that the up and down movement of the leaf removal assembly 102 can be guided conveniently, and the second telescopic rod 10114 can drive the leaf removal assembly 102 to move up and down conveniently, so that the leaf removal assembly 102 can be lifted up when not cleaning, so as to facilitate movement.

[0035] The present invention provides a method for using a leaf cleaning device on both sides of a road, comprising the following steps:

[0036] Step 1, start the equipment: start the negative pressure vacuum pump 10102 to form negative pressure inside the machine cabin 10101, so that the leaf removal component 102 can clean and suck the leaves on both sides of the road. The second telescopic rod 10114 drives the leaf removal component 102 to move downward, and the suction cover 10201 and the cleaning brush 10203 are close to the ground. The cleaning motor 10202 works to make the cleaning brush 10203 clean the leaves on the road surface, so that the suction cover 10201 can suck the leaves into the machine cabin 10101.

[0037] Step 2: Mobile cleaning: Push the mobile handle 10109 to move the device along the edge of the road, so that the cleaning brush 10203 can clean the passing road surface, and the suction cover 10201 can suck the leaves on the top of the passing road surface into the machine compartment 10101, and the sucked leaves fall into the leaf storage frame 10106. The first telescopic rod 10111 drives the compression plate 10118 to press downward, so that the leaves are tightly compressed and stuffed into the leaf storage frame 10106, so as to facilitate the cleaning of more leaves and improve efficiency.

[0038] Step three, dumping the leaves: After the cleaning work is completed, turn the buckle 10108 to disengage the buckle 10108 from the block 10112, use the pull-out handle 10107 to pull out the leaf storage frame 10106, and through the setting of the movable hole 10116, the leaf storage frame 10106 can be easily moved, so as to conveniently collect and process the leaves, insert the empty leaf storage frame 10106 into the frame groove 10113, turn the buckle 10108, and engage the buckle 10108 with the block 10112 to facilitate the next leaf cleaning.

Claims

1. A leaf cleaning device on both sides of a road, characterized in that: The invention comprises a driving assembly (101), wherein a leaf removal assembly (102) is provided on one side of the driving assembly (101), wherein the driving assembly (101) comprises a machine chamber (10101), wherein a communication interface (10125) is provided on the top of one side of the machine chamber (10101), and a frame groove (10113) is provided on the bottom of the other side of the machine chamber (10101), wherein the communication interface (10125) is communicated with the leaf removal assembly (102), and a leaf storage frame (10106) is slidably connected inside the frame groove (10113), and wherein the machine chamber (10101) is provided with a plurality of leaf storage frames (10106) and a plurality of leaf storage frames (10106) connected to the leaf removal assembly (102). A negative pressure vacuum pump (10102) is fixedly installed in the middle of the top of the machine chamber (10101), a filter element (10123) is fixedly installed at the input end of the negative pressure vacuum pump (10102), and the filter element (10123) is arranged inside the machine chamber (10101), and a compression plate (10118) is slidably connected inside the machine chamber (10101), and a first telescopic rod (10111) is fixedly installed at both ends of the top of the machine chamber (10101), and the output end of the first telescopic rod (10111) is fixedly connected to the compression plate (10118).

2. A roadside leaf cleaning device according to claim 1, characterized in that: A sliding ring (10122) is provided in the middle of the compression plate (10118), and the sliding ring (10122) is sleeved on the outside of the filter element (10123), and bristles are fixedly installed on the inside of the sliding ring (10122).

3. A roadside leaf cleaning device according to claim 2, characterized in that: Both ends of the compression plate (10118) are provided with leaf-falling grooves (10119), a flip plate (10120) is provided inside the leaf-falling groove (10119), and the flip plate (10120) is hinged to the sliding ring (10122).

4. A roadside leaf cleaning device according to claim 3, characterized in that: The machine chamber (10101) has reversing grooves (10124) on both sides inside, and the leaf storage frame (10106) has guiding grooves (10117) on both sides inside, and the reversing grooves (10124) and the guiding grooves (10117) are connected.

5. A roadside leaf cleaning device according to claim 4, characterized in that: Guide blocks (10121) are fixedly installed at both ends of the bottom of the flip plate (10120), and the guide blocks (10121) are slidably connected to the flip groove (10124) and the guide groove (10117). A flip cavity (10110) is opened at the top of the machine chamber (10101).

6. The leaf cleaning device on both sides of the road according to claim 1, characterized in that: Blocks (10112) are fixedly installed at both ends of the outer side of the frame groove (10113); a pull-out handle (10107) is fixedly installed at one end of the leaf storage frame (10106); the leaf storage frame (10106) is provided with buckles (10108) rotatably connected at both ends of one side of the pull-out handle (10107); the buckles (10108) are engaged with the block (10112); and movable holes (10116) are provided at both ends of the leaf storage frame (10106).

7. The leaf cleaning device on both sides of the road according to claim 1, characterized in that: The machine pod (10101) is provided with a connecting interface (10125) on one side of which a fixing plate (10103) is fixedly installed at the bottom, and a traveling wheel (10104) is fixedly installed at the bottom of the fixing plate (10103). A moving handle (10109) is fixedly installed at the top of the side of the machine pod (10101) away from the leaf removal component (102), and the machine pod (10101) is provided with a universal wheel (10105) fixedly installed at the bottom of one end of the moving handle (10109).

8. The leaf cleaning device on both sides of the road according to claim 7, characterized in that: The leaf removal component (102) comprises a suction hood (10201), the top of the suction hood (10201) is connected to a connecting pipe (10204), the top of the connecting pipe (10204) is connected to a connecting interface (10125), four cleaning motors (10202) are fixedly mounted on one side of the suction hood (10201), a cleaning brush (10203) is fixedly mounted on the output end of the cleaning motor (10202), connecting plates (10205) are fixedly mounted at both ends of the suction hood (10201), and guide sleeves (10206) are fixedly mounted at both ends of the top of the connecting plate (10205).

9. The leaf cleaning device on both sides of the road according to claim 8, characterized in that: A second telescopic rod (10114) is fixedly installed at the middle of the top of the fixed plate (10103); an output end of the second telescopic rod (10114) is fixedly connected to the middle of the top of the connecting plate (10205); guide rods (10115) are fixedly installed at both ends of the top of the fixed plate (10103); and the guide rods (10115) are slidably connected to the guide sleeve (10206).

10. A roadside leaf cleaning device and a method of using the same, characterized in that: A roadside leaf cleaning device as described in claims 1 to 9 comprises the following steps: Step 1, start the equipment: start the negative pressure vacuum pump (10102) to form negative pressure inside the machine chamber (10101), so that the leaf removal component (102) can clean and suck leaves on both sides of the road, the second telescopic rod 10114 works to drive the leaf removal component (102) to move downward, the suction cover (10201) and the cleaning brush (10203) are close to the ground, the cleaning motor (10202) works to make the cleaning brush (10203) clean leaves on the road surface, and the suction cover (10201) can suck leaves into the machine chamber (10101); Step 2, mobile cleaning: push the mobile handle (10109) to move the device along the edge of the road, so that the cleaning brush (10203) can clean the road surface, and the suction cover (10201) can suck the leaves on the top of the road surface into the machine compartment (10101), and the sucked leaves fall into the leaf storage frame (10106). The first telescopic rod (10111) drives the compression plate (10118) to press downward, so that the leaves are tightly compressed and stuffed into the leaf storage frame (10106), so that more leaves can be cleaned and the efficiency is improved; Step 3, dumping leaves: After the cleaning work is completed, turn the buckle (10108) to disengage the buckle (10108) from the card block (10112), use the pull-out handle (10107) to pull out the leaf storage frame (10106), and through the setting of the movable hole (10116), the leaf storage frame (10106) can be conveniently moved, so that the leaves can be conveniently collected and processed, and the empty leaf storage frame (10106) is inserted into the frame groove (10113), and the buckle (10108) is turned to engage the buckle (10108) with the card block (10112), so as to facilitate the next leaf cleaning.

Images