Lithium battery hedge trimmer

Abstract

The application discloses a lithium battery hedge trimmer and belongs to the technical field of garden maintenance. The main body, the cutting blade and the protection box are provided. The protection box is installed on the main body and is sleeved on the cutting blade. The bottom wall of the protection box is fixedly connected with an electrostatic dust absorption plate. A first brush is arranged in the protection box. The first brush can be used for cleaning the debris on the electrostatic dust absorption plate. A dust discharging port is arranged on the bottom side of the protection box. The first brush can clean the debris out of the protection box through the dust discharging port. A first driving mechanism for driving the first brush to move is arranged in the protection box. The protection box and the electrostatic dust absorption plate can effectively absorb the dust and debris in the protection box. Further, under the action of the first brush and the first driving mechanism, the first brush can drive the debris or dust of the electrostatic dust absorption plate to be pushed to the outside of the protection box through the dust discharging port, so that the dust or debris cannot splash into the main body again through the protection box.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of garden maintenance, and in particular to a lithium battery hedge trimmer. BACKGROUND

[0002] With the increasing improvement of people's living standards, the requirement for environmental conditions is also higher and higher, and the lawn area is growing rapidly. Whether it is municipal facilities, residential areas or various sports venues, the corresponding lawn maintenance workload is also increasing.

[0003] A new type of multifunctional hedge trimmer exists in the related art, and the Chinese utility model patent with the authorization publication number CN213368822U discloses a new type of multifunctional hedge trimmer, which comprises a handle, a main machine and a battery block. A connecting block is arranged on the handle, a clamping groove is arranged on the connecting block, and a connecting groove is arranged on the main machine. The connecting block is connected with the connecting groove, a battery block fixing groove is arranged on the main machine, and a fixing shell is arranged on the battery block. A pressing piece is arranged on the fixing shell, a card is arranged on the pressing piece, the battery block is connected and fixed with the battery block fixing groove through the fixing shell, a cutting piece is installed on the main body, and cutting is performed through vibration.

[0004] According to the above related technology, the applicant believes that the following defects exist: when the cutting piece cuts the garden green plants and the hedge, the plant debris is easy to fly into the shell of the main body through the gap between the cutting piece and the main body, and the debris flying into the main body is easy to cause damage to the electronic equipment or mechanical transmission structure inside the main body, thereby reducing the service life of the hedge trimmer. SUMMARY

[0005] In order to facilitate the reduction of the possibility of debris entering the main body, the application provides a lithium battery hedge trimmer.

[0006] In the first aspect, the lithium battery hedge trimmer provided by the application adopts the following technical scheme:

[0007] A lithium battery hedge trimmer, a main body, a cutting piece and a protection box, the protection box is installed on the main body, and the protection box is sleeved on the cutting piece;

[0008] The bottom wall of the protection box is fixedly connected with an electrostatic dust collection plate, a first brush is arranged in the protection box, the first brush can be used for cleaning the debris on the electrostatic dust collection plate, a dust discharge port is arranged on the bottom side of the protection box, the first brush can clean the debris out of the protection box through the dust discharge port, and a first driving mechanism for driving the first brush to move is arranged in the protection box.

[0009] Preferably, the first driving mechanism comprises a first reciprocating screw rod and a first guide rod, the first reciprocating screw rod is rotationally connected to the inner side wall of the protective box, the first reciprocating screw rod is threadedly connected with the first brush, the first guide rod is fixedly connected to the inner side wall of the protective box, and the first guide rod is slidingly connected with the first brush; the first driving mechanism further comprises a rotating assembly for driving the first reciprocating screw rod to rotate.

[0010] Preferably, the rotating assembly comprises a first bevel gear, a second bevel gear, a rotating rod and a driving rod, the rotating rod is rotationally connected to the inner wall of the protective box, the driving rod is rotationally connected to the inner side wall of the protective box, and the driving rod and the rotating rod are drivingly connected through a belt;

[0011] The first bevel gear is fixedly connected to the rotating rod, the second bevel gear is fixedly connected to the first reciprocating screw rod, the first bevel gear is engaged with the second bevel gear, and a driving source for driving the driving rod to rotate is arranged in the protective box.

[0012] Preferably, the protective box is provided with a clamping mechanism, the clamping mechanism comprises two symmetrically arranged clamping frames, a second guide rod and a first spring, the two clamping frames are arranged on the two sides of the cutting piece, and the two clamping frames can respectively abut against the two sides of the cutting piece;

[0013] The second guide rod has two, two second guide rods are arranged corresponding to the two clamping frames, and the two second guide rods are slidingly connected with the two clamping frames respectively;

[0014] The first spring has two, two first springs are arranged corresponding to the two clamping frames respectively, the first spring is fixedly connected to the inner side wall of the protective box, and the other end of the first spring is fixedly connected to the clamping frame.

[0015] Preferably, the driving source comprises a driven gear, a driving gear and a motor, the motor is mounted on the protective box, the driving gear is fixedly connected with the output shaft of the motor, the driven gear is rotationally mounted on one of the clamping frames, and the driven gear is engaged with the driving gear;

[0016] The driven gear and the driving rod are drivingly connected through a belt.

[0017] Preferably, the two clamping frames are fixedly connected with an electric contact rod, the main body is provided with an electric plug slot, the electric contact rod can be plug-connected with the electric plug slot, the electric contact rod is electrically connected with the battery of the main body through the inner wall of the electric plug slot, and the electric contact rod is electrically connected with the power output end of the motor;

[0018] The main body is further provided with a pushing assembly for driving the two clamping frames to move away from each other.

[0019] The pushing assembly comprises two pushing blocks, which are arranged one-to-one with the two clamping frames, and the pushing blocks are fixedly connected to the main body, and the side of the pushing block away from the main body is provided with an inclined surface, and the side of the clamping frame close to the main body is provided with an inclined surface, and the inclined surface of the pushing block and the inclined surface of the clamping frame are matched.

[0020] Preferably, one side of the cutting blade is fixedly connected with a rack, and when the two clamping frames are respectively abutted with the two sides of the cutting blade, the driven gear can be engaged with the rack.

[0021] Preferably, the bottom side of the protective box is fixedly connected with a dust collecting box, and the dust collecting box and the protective box are communicated through the dust discharging port.

[0022] The protective box is further provided with a blocking assembly for blocking the dust discharging port, the blocking assembly comprises a blocking plate, a connecting plate, a striking rod and a second spring, a sliding groove is formed in the side wall of the dust discharging port, the blocking plate is slidably connected with the inner side wall of the sliding groove, and the blocking plate can be used to block the dust discharging port.

[0023] The connecting plate is fixedly connected to the blocking plate, and the connecting plate is slidably connected with the first guide rod; the striking rod is fixedly connected to the connecting plate, and the first brush can be in contact with the striking rod and can further push the striking rod to move.

[0024] The second spring is sleeved on the first guide rod, one end of the second spring is fixedly connected with the connecting plate, and the other end of the second spring is fixedly connected with the side wall of the protective box.

[0025] Preferably, the protective box is further provided with a second brush for cleaning the side of the cutting blade away from the electrostatic suction plate, and the protective box is further provided with a second driving mechanism for driving the second brush to move.

[0026] The second driving mechanism comprises a second reciprocating screw rod and a third guide rod, the second reciprocating screw rod is rotatably connected to the inner side wall of the protective box, the third guide rod is fixedly connected to the inner side wall of the protective box, the second brush is threadedly connected with the second reciprocating screw rod, and the second brush is slidably connected with the third guide rod.

[0027] Preferably, the main body is further provided with a fixing assembly for fixing the protective box, the fixing assembly comprises a fixing block, an L-shaped support, a locking block, a pressing block, a fourth guide rod, a third spring and a guide block.

[0028] The L-shaped support is fixedly connected to the inner top wall of the protective box, a through hole is formed in the inner top wall of the protective box, the locking block is arranged through the through hole, one end of the third spring is fixedly connected to the L-shaped support, the other end of the third spring is fixedly connected to the locking block, and the fourth guide rod is fixedly connected to the L-shaped support and is in sliding connection with the locking block;

[0029] The fixing block is fixedly connected to the main body, a locking hole is formed in the fixing block, one end of the locking block is in plug-in cooperation with the locking hole, and an inclined surface is arranged on the side of the locking block close to the main body.

[0030] The pressing block is in sliding connection with the inner side wall of the locking hole, the guide block is fixedly connected to the pressing block, and a guide groove for the sliding of the guide block is formed in the locking hole.

[0031] In conclusion, the present application has at least one of the following beneficial technical effects:

[0032] The protective box and the electrostatic dust-absorbing plate can effectively absorb the dust and debris in the protective box, and further, under the action of the first brush and the first driving mechanism, the first brush can push the debris or dust of the electrostatic dust-absorbing plate to the outside of the protective box through the dust discharging port, so as to reduce the dust or debris from splashing into the main body again through the protective box;

[0033] During the rotation of the driving rod driven by the driving source, the rotation of the driving rod can drive the rotation of the second reciprocating lead screw and the rotating rod, and the rotation of the second reciprocating lead screw drives the movement of the second brush, so that the second brush can clean the debris or dust on the top side of the cutting piece and clean the debris or dust on the top side of the cutting piece to the bottom side of the protective box.

[0034] When the protective box is removed from the main body and moved away from the side of the protective box, the two clamping frames abut against the cutting piece under the pushing of the first spring, at this time, the driven gear is engaged with the rack, and then the protective box is further pushed, so that the driven gear is driven to rotate by the rack, the rotation of the driven gear drives the rotation of the driving rod, and the rotation of the driving rod drives the movement of the first brush and the second brush, so as to clean the debris and dust in the protective box. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a schematic view of the overall structure of the embodiment of the present application.

[0036] Figure 2 is a sectional view of the protective box in the embodiment of the present application.

[0037] Figure 3 is a schematic view of the structure of the fixing assembly highlighted in the embodiment of the present application.

[0038] Figure 4 is a structural schematic view highlighting the first driving mechanism and the blocking assembly in the embodiment of the present application.

[0039] Figure 5 is a structural schematic view highlighting the first driving mechanism and the second driving mechanism in the embodiment of the present application.

[0040] Figure 6 is a structural schematic view highlighting the clamping mechanism in the embodiment of the present application.

[0041] The reference signs are as follows: 1, main body; 2, cutting blade; 3, protective box; 31, electrostatic dust absorption plate; 32, first brush; 33, second brush; 34, dust discharge port; 35, through hole; 36, dust collection box; 37, sliding groove; 38, support plate; 4, first driving mechanism; 41, first reciprocating lead screw; 42, first guide rod; 43, rotating assembly; 44, first bevel gear; 45, second bevel gear; 46, rotating rod; 47, driving rod; 5, driving source; 51, driven gear; 52, driving gear; 53, motor; 54, rack; 6, clamping mechanism; 61, clamping frame; 62, second guide rod; 63, first spring; 64, push assembly; 641, push block; 65, electric contact rod; 7, blocking assembly; 71, blocking plate; 72, connecting plate; 73, impact rod; 74, second spring; 8, second driving mechanism; 81, second reciprocating lead screw; 82, third guide rod; 9, fixing assembly; 91, fixing block; 911, locking hole; 912, guide groove; 92, L-shaped support; 93, locking block; 94, pressing block; 95, fourth guide rod; 96, third spring; 97, guide block. DETAILED DESCRIPTION

[0042] The accompanying drawings will be referred to in connection with the following description. Figures 1-6 The specific embodiments of the present application will be described in more detail. The advantages and features of the present application will be more apparent from the following description. It should be noted that the drawings are very simplified and all use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the embodiments of the present application.

[0043] The embodiment of the present application discloses a lithium battery hedge trimmer. Referring to Figure 1 , comprising a main body 1, a lithium battery, a cutting blade 2 and a protective box 3, wherein the cutting blade 2 is provided with two blades, both of which are installed on the main body 1, and the sawteeth on the two blades achieve the purpose of trimming the hedge and the green plants, the main body 1 is installed with a lithium battery for power supply, so that the user can achieve the purpose of convenient carrying work. The protective box 3 is sleeved on the cutting blade 2, and the main body 1 is provided with two groups of fixing assemblies 9 for fixing the protective box 3.

[0044] As Figure 2 and Figure 3As shown, two groups of fixing assemblies 9 are respectively located at two sides of the protection box 3, and the fixing assembly 9 comprises a fixing block 91, an L-shaped support 92, a locking block 93, a pressing block 94, a fourth guide rod 95, a third spring 96 and a guide block 97.

[0045] The fixing block 91 is located outside the protection box 3 and is fixedly connected to the main body 1, and the L-shaped support 92 is located inside the protection box 3 and is fixedly connected to the inner side wall of the protection box 3. The end of the fourth guide rod 95 is fixedly connected to the L-shaped support 92, the locking block 93 is in sliding connection with the fourth guide rod 95, and the inner side wall of the protection box 3 is provided with a through hole 35 for the locking block 93 to pass through.

[0046] The third spring 96 is sleeved on the fourth guide rod 95, one end of the third spring 96 is fixedly connected to the locking block 93, and the other end of the third spring 96 is fixedly connected to the L-shaped support 92. The fixing block 91 is provided with a locking hole 911 penetratingly arranged therein, and the end of the locking block 93 is insertedly matched with the locking hole 911.

[0047] The pressing block 94 is in sliding connection with the locking hole 911, and the guide block 97 has two guide blocks 97 which are fixedly connected to the pressing block 94. The locking hole 911 is provided with two guide grooves 912, and the side walls of the two guide blocks 97 and the two guide grooves 912 are in sliding connection one by one. The side of the locking block 93 close to the main body 1 is provided with an inclined surface, and the inclined surface on the locking block 93 is inclinedly arranged downward from the side far away from the third spring 96 to the side close to the third spring 96.

[0048] As shown in Figure 2 and Figure 3 When it is needed to fix the protection box 3 on the main body 1, the protection box 3 is moved by pushing, the L-shaped support 92 and the locking block 93 are moved by the movement of the protection box 3, the inclined surface of the locking block 93 is in contact with the fixing block 91, so that the locking block 93 can push the protection box 3, and after the locking block 93 is inserted into the locking hole 911, the purpose of fixedly connecting the protection box 3 can be achieved.

[0049] When it is needed to release the fixation, the pressing block 94 is pressed to move the locking block 93 into the protection box 3, so that the purpose of conveniently releasing the protection box 3 can be achieved.

[0050] As shown in Figure 2 and Figure 4As shown in the figure, the protective box 3 is provided with a first brush 32, a second brush 33 and an electrostatic dust plate 31. The electrostatic dust plate 31 is fixedly connected to the bottom wall of the protective box 3. The bristles of the first brush 32 are in contact with the electrostatic dust plate 31, and the first brush 32 can be used to clean the debris or dust on the electrostatic dust plate 31. The bristles of the second brush 33 are in contact with the top side of the cutting blade 2, and the second brush 33 can be used to clean the debris or dust on the side of the cutting blade 2 away from the electrostatic dust plate 31.

[0051] Two dust discharge ports 34 are also formed in the bottom wall of the protective box 3. The first brush 32 can clean the debris or dust out of the protective box 3 through the two dust discharge ports 34. A dust collecting box 36 is fixedly connected to the bottom wall of the protective box 3. The protective box 3 and the dust collecting box 36 are connected in communication through the two dust discharge ports 34.

[0052] As shown in the figure, Figure 4 and Figure 5 The protective box 3 is provided with a first driving mechanism 4 for driving the first brush 32 to move. The first driving mechanism 4 includes a support plate 38, a first reciprocating lead screw 41, a first guide rod 42 and a rotating assembly 43. The support plate 38 is fixedly connected to the bottom wall of the protective box 3. The two ends of the first reciprocating lead screw 41 are rotatably connected to the support plate 38 and the inner side wall of the protective box 3, respectively. The two ends of the first guide rod 42 are fixedly connected to the support plate 38 and the inner side wall of the protective box 3, respectively.

[0053] The first reciprocating lead screw 41 and the first guide rod 42 are both arranged in the brush handle of the first brush 32. The first reciprocating lead screw 41 is threadedly connected to the brush handle of the first brush 32, and the first guide rod 42 is slidably connected to the brush handle of the first brush 32.

[0054] As shown in the figure, Figure 4 and Figure 5 The rotating assembly 43 includes a first bevel gear 44, a second bevel gear 45, a rotating rod 46 and a driving rod 47. The rotating rod 46 and the driving rod 47 are both rotatably connected to the inner side wall of the protective box 3, and the rotating rod 46 and the driving rod 47 are drivingly connected through a belt.

[0055] The first bevel gear 44 is fixedly connected to the rotating rod 46, and the second bevel gear 45 is fixedly connected to the first reciprocating lead screw 41. The first bevel gear 44 and the second bevel gear 45 are in meshing engagement. The protective box 3 is provided with a driving source 5 for driving the driving rod 47 to rotate.

[0056] As shown in the figure, Figure 4 and Figure 5As shown, the protective box 3 is provided with a second driving mechanism 8 for driving the second brush 33 to move, the second driving mechanism 8 comprises a second reciprocating screw rod 81 and a second guide rod 62, the end of the second reciprocating screw rod 81 is rotatably connected to the inner side wall of the protective box 3, the second guide rod 62 is fixedly connected to the inner side wall of the protective box 3, and the second reciprocating screw rod 81 is in transmission cooperation with the driving rod 47 through a belt.

[0057] The second reciprocating screw rod 81 and the second guide rod 62 are both arranged through the brush handle of the second brush 33, and the second reciprocating screw rod 81 is threadedly connected with the brush handle of the second brush 33, and the second guide rod 62 is slidably connected with the brush handle of the second brush 33.

[0058] The protective box 3 is provided with a driving source 5 for driving the driving rod 47 to rotate, in the process of driving the driving rod 47 to rotate by the driving source 5, the driving rod 47 can drive the second reciprocating screw rod 81 and the rotating rod 46 to rotate, the second reciprocating screw rod 81 drives the second brush 33 to move, so that the second brush 33 can clean the debris or dust on the top side of the cutting blade 2, and the debris or dust on the top side of the cutting blade 2 is cleaned to the bottom side of the protective box 3.

[0059] Meanwhile, in the process of rotating the rotating rod 46, the rotating rod 46 drives the first bevel gear 44 to rotate, the first bevel gear 44 drives the second bevel gear 45 to rotate, the second bevel gear 45 drives the first reciprocating screw rod 41 to rotate, and the second reciprocating screw rod 81 drives the second brush 33 to move, so as to facilitate pushing the electrostatic dust collection plate 31 through the dust discharge port 34 into the dust collection box 36, and achieve the purpose of facilitating cleaning of debris or dust in the protective box 3.

[0060] As shown in Figure 4 and Figure 5 As shown, the protective box 3 is provided with a blocking assembly 7 corresponding to each dust discharge port 34, the blocking assembly 7 comprises a blocking plate 71, a connecting plate 72, a striking rod 73 and a second spring 74, a sliding groove 37 is formed in the side wall of the dust discharge port 34, the blocking plate 71 is slidably connected with the inner side wall of the sliding groove 37, and the blocking plate 71 can be used to block the dust discharge port 34.

[0061] The connecting plate 72 is fixedly connected to the blocking plate 71, the first guide rod 42 is arranged through the connecting plate 72, and the connecting plate 72 is slidably connected with the first guide rod 42; the striking rod 73 is fixedly connected to the connecting plate 72, and the brush handle of the first brush 32 can be in contact with the striking rod 73 and further push the striking rod 73 to move.

[0062] The second spring 74 is sleeved on the first guide rod 42, one end of the second spring 74 is fixedly connected with the connecting plate 72, and the other end of the second spring 74 is fixedly connected with the side wall of the protection box 3 or the supporting plate 38. Among them, the second spring 74 close to the supporting plate 38 of the blocking assembly 7 is fixedly connected with the supporting plate 38, and the second spring 74 far away from the supporting plate 38 of the blocking assembly 7 is fixedly connected with the side wall of the protection box 3.

[0063] In the movement of the first brush 32, the bristles of the first brush 32 can be in contact with the impact rod 73 and can push the impact rod 73 to move, the impact rod 73 moves to push the connecting plate 72 to move, the connecting plate 72 moves to drive the blocking plate 71 to move, so that the blocking plate 71 no longer blocks the dust outlet 34, so as to clean the debris or dust on the electrostatic dust collection plate 31 into the dust collection box 36.

[0064] When the first brush 32 moves away from the current impact rod 73, the second spring 74 can push the connecting plate 72 and the blocking plate 71 to move, so that the blocking plate 71 can block the dust outlet 34 again, so as to reduce the possibility of dust or debris in the dust collection box 36 entering the protection box 3.

[0065] As shown in Figure 2 and Figure 6 , the protection box 3 is provided with a clamping mechanism 6, the clamping mechanism 6 includes a clamping frame 61, a second guide rod 62 and a first spring 63;

[0066] The clamping frame 61 has two, two clamping frames 61 are distributed on both sides of the cutting blade 2 and are symmetrically arranged about the cutting blade 2, and two clamping frames 61 can be respectively abutted with both sides of the cutting blade 2.

[0067] The second guide rod 62 is two, two second guide rods 62 are respectively arranged corresponding to two clamping frames 61, two second guide rods 62 are fixedly connected to the inner side wall of the protection box 3, and two clamping frames 61 are in one-to-one sliding connection with two second guide rods 62.

[0068] Two first springs 63 are sleeved on two second guide rods 62, one end of the first spring 63 is fixedly connected with the clamping frame 61, and the other end of the second spring 74 is fixedly connected with the inner side wall of the protection box 3.

[0069] Two clamping frames 61 are fixedly connected with electric contact rods 65, two electric contact rods 65 can be inserted into two electric contact slots in one-to-one correspondence. The electric contact rod 65 is electrically connected with the lithium battery of the main body 1 through the inner wall of the electric contact slot, and the electric contact rod 65 provides power output to the electric equipment on the protection box 3.

[0070] The main body 1 is further provided with a pushing assembly 64 for driving the two clamping frames 61 to move away from each other, the pushing assembly 64 comprises two pushing blocks 641;

[0071] The two pushing blocks 641 are arranged in one-to-one correspondence with the two clamping frames 61, the pushing block 641 is fixedly connected to the main body 1, the side of the pushing block 641 away from the main body 1 is provided with an inclined surface, and the side of the clamping frame 61 close to the main body 1 is provided with an inclined surface, the inclined surface of the pushing block 641 and the inclined surface of the clamping frame 61 are matched.

[0072] As shown in Figure 2 and Figure 6 The driving source 5 comprises a driven gear 51, a driving gear 52, a motor 53 and a rack 54, the motor 53 is fixedly installed on the protection box 3, and the two electric contact rods 65 on the two clamping frames 61 are electrically connected in one-to-one correspondence with the two power output ends of the motor 53. The driving gear 52 is fixedly connected to the output shaft of the motor 53, and the driven gear 51 is rotatably installed on one of the clamping frames 61, and in the embodiment, the clamping frame 61 above the driven gear 51 is preferred. The driving gear 52 is engaged with the driven gear 51, and the driven gear 51 is driven by the driving rod 47 through a belt transmission.

[0073] The rack 54 is fixedly connected to one side of the cutting blade 2, and the rack 54 and the driven gear 51 are distributed on the same side of the cutting blade 2. When the two clamping frames 61 abut against the cutting blade 2, the driven gear 51 can abut against the rack 54, and when the driven gear 51 is engaged with the driving gear 52 or the rack 54, the belt between the driven gear 51 and the driving rod 47 is in a tension state.

[0074] When the protection box 3 is fixed to the main body 1, under the action of the two pushing blocks 641 and the inclined surfaces of the pushing blocks 641 and the clamping frames 61, the two clamping frames 61 are not in contact with the cutting blade 2, and at the same time, the driven gear 51 on the clamping frame 61 is driven to engage with the driving gear 52, and the electric contact rod 65 is conveniently inserted into the plug-in slot on the driving rod 47, so that the lithium battery can supply power to the motor 53.

[0075] After the motor 53 is powered on, the driving gear 52 is driven to rotate, the driving gear 52 drives the driven gear 51 to rotate, the driven gear 51 drives the driving rod 47 to rotate, and the driving rod 47 drives the first brush 32 and the second brush 33 to move, so as to clean the debris and dust in the protection box 3.

[0076] When the protective box 3 is removed from the main body 1 and is moved away from the protective box 3, the two clamping frames 61 abut against the cutting blade 2 under the pushing of the first spring 63, at this time the driven gear 51 is engaged with the rack 54, then the protective box 3 is further pushed, so that the driven gear 51 is rotated under the driving of the rack 54, the driven gear 51 rotates to drive the driving rod 47 to rotate, the driving rod 47 rotates to move the first brush 32 and the second brush 33, so as to clean the debris and dust in the protective box 3.

[0077] The implementation principle of the embodiment of the present application is that the protective box 3 and the electrostatic dust collecting plate 31 can effectively adsorb the dust and debris in the protective box 3, and further under the action of the first brush 32 and the first driving mechanism 4, the first brush 32 can drive the dust or debris on the electrostatic dust collecting plate 31 to be pushed to the outside of the protective box 3 through the dust discharging port 34, so as to reduce the dust or debris from splashing into the main body 1 again through the protective box 3.

[0078] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A lithium electric hedge trimmer characterized by: It includes a main body (1), a cutting blade (2) and a protective box (3), the protective box (3) is installed on the main body (1), and the protective box (3) is sleeved on the cutting blade (2); The bottom wall of the protective box (3) is fixedly connected with an electrostatic dust plate (31), a first brush (32) is arranged in the protective box (3), the first brush (32) can be used for cleaning the debris on the electrostatic dust plate (31), a dust discharge port (34) is formed in the bottom side of the protective box (3), and the first brush (32) can clean the debris out of the protective box (3) through the dust discharge port (34); a first driving mechanism (4) for driving the first brush (32) to move is arranged in the protective box (3); The first driving mechanism (4) comprises a first reciprocating screw rod (41) and a first guide rod (42), the first reciprocating screw rod (41) is rotatably connected to the inner side wall of the protective box (3), the first reciprocating screw rod (41) is threadedly connected with the first brush (32), the first guide rod (42) is fixedly connected to the inner side wall of the protective box (3), and the first guide rod (42) is slidably connected with the first brush (32); the first driving mechanism (4) further comprises a rotating assembly (43) for driving the first reciprocating screw rod (41) to rotate; The rotating assembly (43) comprises a first bevel gear (44), a second bevel gear (45), a rotating rod (46) and a driving rod (47), the rotating rod (46) is rotatably connected to the inner wall of the protective box (3), the driving rod (47) is rotatably connected to the inner side wall of the protective box (3), and the driving rod (47) and the rotating rod (46) are driven by a belt; The first bevel gear (44) is fixedly connected to the rotating rod (46), the second bevel gear (45) is fixedly connected to the first reciprocating screw rod (41), the first bevel gear (44) is engaged with the second bevel gear (45), and a driving source (5) for driving the driving rod (47) to rotate is arranged in the protective box (3); The protective box (3) is provided with a clamping mechanism (6), the clamping mechanism (6) comprises two symmetrically arranged clamping frames (61), a second guide rod (62) and a first spring (63), two clamping frames (61) are arranged on the two sides of the cutting blade (2), and the two clamping frames (61) can respectively abut against the two sides of the cutting blade (2); The second guide rod (62) has two, two second guide rods (62) are arranged corresponding to the two clamping frames (61), and the two second guide rods (62) are slidably connected with the two clamping frames (61) respectively; The first spring (63) has two, two first springs (63) are arranged corresponding to the two clamping frames (61) respectively, and the first spring (63) is fixedly connected to the inner side wall of the protective box (3), and the other end of the first spring (63) is fixedly connected with the clamping frame (61); The driving source (5) comprises a driven gear (51), a driving gear (52) and a motor (53). The driven gear (51) is rotatably installed on one of the clamping frames (61), one side of the cutting blade (2) is fixedly connected with a rack (54), when the two clamping frames (61) respectively abut against the two sides of the cutting blade (2), the driven gear (51) can be engaged with the rack (54), and the driven gear (51) and the driving rod (47) are driven by belt transmission.

2. A lithium electric hedge trimmer according to claim 1, characterized in that: The motor (53) is installed on the protective box (3), the driving gear (52) is fixedly connected with the output shaft of the motor (53), and the driven gear (51) is engaged with the driving gear (52).

3. A lithium electric hedge trimmer according to claim 2, characterized in that: Both the clamping frames (61) are fixedly connected with an electric contact rod (65), the main body (1) is provided with an electric plug slot, the electric contact rod (65) can be plugged and matched with the electric plug slot, the electric contact rod (65) is electrically connected with the inner wall of the electric plug slot, and the electric contact rod (65) is electrically connected with the power output end of the motor (53). The main body (1) is further provided with a pushing assembly (64) for driving the two clamping frames (61) to move away from each other. The pushing assembly (64) comprises two pushing blocks (641), the two pushing blocks (641) are correspondingly arranged with the two clamping frames (61), the pushing block (641) is fixedly connected to the main body (1), the side, away from the main body (1), of the pushing block (641) is provided with an inclined surface, the side, close to the main body (1), of the clamping frame (61) is provided with an inclined surface, and the inclined surface of the pushing block (641) is matched with the inclined surface of the clamping frame (61).

4. A lithium electric hedge trimmer according to claim 3, characterized in that: The bottom side of the protective box (3) is fixedly connected with a dust collecting box (36), and the dust collecting box (36) and the protective box (3) are communicated through the dust discharging port (34). The protective box (3) is further provided with a blocking assembly (7) for blocking the dust discharging port (34), the blocking assembly (7) comprises a blocking plate (71), a connecting plate (72), a striking rod (73) and a second spring (74), a sliding groove (37) is formed in the side wall of the dust discharging port (34), the blocking plate (71) is slidably connected with the inner side wall of the sliding groove (37), and the blocking plate (71) can be used for blocking the dust discharging port (34). The connecting plate (72) is fixedly connected to the blocking plate (71), and the connecting plate (72) is slidably connected with the first guide rod (42); the striking rod (73) is fixedly connected to the connecting plate (72), and the first brush (32) can be in contact with the striking rod (73) and further push the striking rod (73) to move; The second spring (74) is sleeved on the first guide rod (42), one end of the second spring (74) is fixedly connected with the connecting plate (72), and the other end of the second spring (74) is fixedly connected with the side wall of the protective box (3).

5. A lithium electric hedge trimmer according to claim 4, characterised in that: The protective box (3) is internally provided with a second brush (33) for cleaning the cutting blade (2) away from the side of the electrostatic dust plate (31), and the protective box (3) is internally provided with a second driving mechanism (8) for driving the second brush (33) to move; The second driving mechanism (8) comprises a second reciprocating screw rod (81) and a third guide rod (82), the second reciprocating screw rod (81) is rotationally connected to the inner side wall of the protective box (3), the third guide rod (82) is fixedly connected to the inner side wall of the protective box (3), the second brush (33) is threadedly connected with the second reciprocating screw rod (81), and the second brush (33) is slidably connected with the third guide rod (82).

6. A lithium electric hedge trimmer according to claim 5, characterized in that: The main body (1) is further provided with a fixing assembly (9) for fixing the protective box (3), the fixing assembly (9) comprises a fixing block (91), an L-shaped support (92), a locking block (93), a pressing block (94), a fourth guide rod (95), a third spring (96) and a guide block (97); The L-shaped support (92) is fixedly connected to the inner top wall of the protective box (3), the inner top wall of the protective box (3) is provided with a through hole (35), the locking block (93) is arranged through the through hole (35), one end of the third spring (96) is fixedly connected to the L-shaped support (92), the other end of the third spring (96) is fixedly connected to the locking block (93), the fourth guide rod (95) is fixedly connected to the L-shaped support (92), and the fourth guide rod (95) is slidably connected to the locking block (93); The fixing block (91) is fixedly connected to the main body (1), the fixing block (91) is provided with a locking hole (911), one end of the locking block (93) is inserted into the locking hole (911) in a matching mode, and the side of the locking block (93) close to the main body (1) is provided with an inclined surface; The pressing block (94) is slidably connected with the inner side wall of the locking hole (911), the guide block (97) is fixedly connected to the pressing block (94), and the locking hole (911) is provided with a guide groove (912) for the sliding of the guide block (97).

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