A portable branch chipper

Abstract

The application discloses a portable branch crusher, which comprises a mounting seat, a first shell and a second shell are mounted on the mounting seat, a crushing cavity and a discharge port communicated with the crushing cavity are arranged in the mounting seat, a crushing assembly for crushing branches is arranged in the crushing cavity, a switch and a feeding part are arranged on the first shell, the switch is used for controlling the crushing assembly, a feeding port communicated with the crushing cavity is arranged on the feeding part, a driving assembly for driving the crushing assembly is arranged in the second shell, a support is rotatably arranged on the outside of the second shell, and a limiting assembly for locking the rotating angle of the support is arranged between the support and the second shell. The application has the beneficial effects that the support can be freely rotated, the limiting assembly between the support and the second shell can fix the support to stay at the position required by the user, the support can be rotated to be attached to the first shell to reduce the overall size when the branch crusher needs to be stored, and the combination of the wheels and the pushing plate can make the device safe, portable and easy to operate.

Description

Technical Field

[0001] This application relates to the field of wood chipper technology, and in particular to a portable wood chipper. Background Technology

[0002] In landscaping and orchard management, some leaves and branches are pruned to improve plant shape and growth. These pruned leaves and branches become waste, and discarding them directly would be a waste of resources. Therefore, this waste can be chopped up. The chopped leaves can be used as mulch in flower beds and lawns to retain moisture and warmth; they can also be used as compost to improve soil fertility. Based on this, a branch shredder has been developed.

[0003] A wood chipper mainly consists of a feed inlet, blades, and a discharge outlet. Its working principle involves feeding pruned branches, leaves, and other waste materials through the feed inlet, where high-speed rotating blades shred them into small particles. Existing wood chippers typically have a support frame at the bottom for stable operation. However, this frame occupies considerable space when the chipper needs to be stored or moved, wasting space. Furthermore, in urban greening projects, the chipper needs to be constantly moved, and its weight makes prolonged transport difficult, significantly impacting worker efficiency. Therefore, a portable and mobile wood chipper is urgently needed. Utility Model Content

[0004] One objective of this application is to provide a portable wood chipper that can solve at least one of the defects in the aforementioned background art.

[0005] To achieve at least one of the above objectives, the technical solution adopted in this application is as follows: a portable branch shredder, comprising a mounting base, on which a first housing and a second housing are mounted; a shredding chamber and a discharge port communicating with the shredding chamber are provided inside the mounting base; a shredding component for shredding branches is installed inside the shredding chamber; a switch and a feeding part are provided on the first housing, the switch being used to control the shredding component, and the feeding part being provided with a feeding port communicating with the shredding chamber; a driving component for driving the shredding component is installed inside the second housing, and a bracket is rotatably mounted on the outside of the second housing; a limiting component for locking the rotation angle of the bracket is provided between the bracket and the second housing.

[0006] With the above setup, waste materials such as branches can enter the crushing chamber through the feed inlet for crushing, and the resulting material can then be discharged through the discharge outlet. Furthermore, when the shredder is operating, the support frame can be rotated to the bottom of the second housing to support the shredder and ensure stable operation. When the shredder stops working, the support frame can be rotated to the top of the first housing to reduce the overall space occupied by the shredder. The limiting component can limit the connection point between the support frame and the second housing, giving the shredder multi-angle adjustment capabilities, thereby increasing its applicability in various scenarios.

[0007] Preferably, the bracket includes a rotating section and a supporting section. The rotating section is rotatably mounted on the side of the second housing, and the outline of the supporting section matches the outline of the upper surface of the first housing. This configuration allows the supporting section to provide support to the wood chipper when the bracket is unfolded, and for the supporting section to fit as close as possible to the first housing when the bracket is folded, thus reducing the overall space occupied by the wood chipper during storage.

[0008] Preferably, the feeding section extends outward with a handle, and the support section is arranged along the outer contour of the handle. An S-shaped hook is installed on the handle, with one end connected to the handle and the other end connected to a pusher plate. With this configuration, when the shredder is in its stowed state, the support section can fit snugly against the handle, allowing the user to move the shredder with one hand by simultaneously holding both the support section and the handle. The pusher plate pushes branches from the feeding inlet into the crushing chamber, preventing workers' hands from being injured when they reach into the feeding inlet. The hook connects the handle to the pusher plate, preventing the pusher plate from being lost.

[0009] Preferably, a shaft is installed on the support section, and wheels are installed at both ends of the shaft. This configuration allows the user to move the wood chipper by extending the support frame and using the wheels, making it easier for workers to adjust the position of the wood chipper.

[0010] Preferably, the limiting component includes a first adjusting plate, a second adjusting plate, and a knob. The first adjusting plate is fixedly installed on the second housing, and the second adjusting plate has a mounting portion. The rotating section is fixedly installed on the mounting portion. A connecting rod is also installed on the rotating section. One end of the connecting rod passes through the first and second adjusting plates and connects to the second housing, while the other end connects to the knob. The knob is used to press the second adjusting plate tightly against the first adjusting plate. With this configuration, when the user needs to adjust the angle of the bracket, they only need to turn the knob to put the bracket into the adjustment state. Then, according to the actual needs, the bracket can be rotated to a suitable position. Finally, turning the knob in the opposite direction will lock the first and second adjusting plates, thereby fixing the bracket in a certain position.

[0011] Preferably, the mating surfaces of the first and second adjusting discs are provided with mutually engaging locking teeth. This arrangement can further improve the locking tightness of the second and second adjusting discs through the engaging action of the two locking teeth, thereby preventing slippage between the first and second adjusting discs due to excessive machine weight.

[0012] Preferably, the second housing is further provided with a downwardly inclined receiving plate, the higher end of which is in contact with the lower wall of the crushing chamber. This arrangement allows the material crushed by the crushing assembly to slide directly onto the receiving plate under gravity, preventing a large amount of material from accumulating in the crushing chamber and affecting the normal operation of the crushing assembly.

[0013] Preferably, the mounting base extends outward with a baffle plate, which is partially folded downward and cooperates with the receiving plate to form the discharge port. This arrangement allows the baffle plate to correctly guide the material discharged from the crushing chamber to the discharge port.

[0014] Preferably, the second housing is provided with multiple heat dissipation holes, and the inner wall of the baffle plate is provided with multiple material distribution plates. This arrangement allows the material ejected from the crushing chamber to be divided into multiple streams and evenly discharged towards the outlet via the material distribution plates.

[0015] Preferably, the device further includes a charging component, which comprises a power supply cable and a plug. A sealing tube is provided on the second housing, and the power supply cable is inserted into the sealing tube. One end of the power supply cable is connected to the drive component, and the other end is connected to the plug. This configuration allows the charging component to supply power to the drive component, while the sealing tube prevents damage to the part of the power supply cable in contact with the second housing under long-term vibration.

[0016] Compared with the prior art, the beneficial effects of this application are as follows:

[0017] The bracket in this invention can rotate freely, and the limiting component between the bracket and the second housing can fix the bracket in the position required by the user. When the shredder is working, the bracket is rotated to the bottom of the second housing to support the shredder. When the shredder stops working, the bracket can be rotated to the top of the first housing to reduce the overall space occupied by the shredder. In this way, the portability of the shredder can be greatly improved.

[0018] The outward-extending handle of the feed section further reduces the difficulty of handling the wood chipper, allowing users to move it with one hand. In addition, a pusher plate is connected to the handle via a hook. When the wood chipper is running, the pusher plate can push the branches at the feed inlet into the crushing chamber, avoiding injury to the hands of the construction workers and further improving the safety of the device. Attached Figure Description

[0019] Figure 1This is a structural diagram of the shredder in its stored state in this application.

[0020] Figure 2 This is a schematic diagram of the shredder in the unfolded state in this application.

[0021] Figure 3 This is a schematic diagram of the mounting base in this application.

[0022] Figure 4 This is an exploded view of the limiting component in this application.

[0023] Figure 5 This is a schematic diagram of the structure of the second shell in this application.

[0024] In the diagram: 1. First housing; 11. Feeding section; 100. Feed inlet; 110. Handle; 2. Second housing; 21. Receiving plate; 22. Heat dissipation hole; 200. Discharge outlet; 3. Mounting base; 31. Crushing chamber; 32. Baffle plate; 300. Pushing plate; 301. Hook; 320. Dividing plate; 4. Limiting component; 41. First adjusting plate; 42. Second adjusting plate; 43. Knob; 400. Wheel; 401. Shaft; 410. Clamping tooth; 420. Mounting section; 5. Bracket; 51. Rotating section; 52. Support section; 500. Charging component; 501. Power supply line; 502. Plug; 510. Connecting rod; 600. Sealing tube. Detailed Implementation

[0025] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0026] In the description of this application, it should be noted that the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., which indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of this application.

[0027] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0028] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0029] One aspect of this application provides a portable wood chipper, such as Figure 1 , Figure 2 and Figure 3 As shown, one preferred embodiment includes a mounting base 3, with a first housing 1 and a second housing 2 mounted on its upper and lower surfaces respectively. The mounting base 3 contains a crushing chamber 31 and a discharge port 200 communicating with the crushing chamber 31. A crushing assembly for crushing branches is installed inside the crushing chamber 31. The first housing 1 has a switch and a feeding section 11, with a feeding port 100 communicating with the crushing chamber 31. When it is necessary to crush waste materials such as branches, simply turn on the switch to operate the crushing assembly, and then insert the waste materials such as branches to be processed into the crushing chamber 31 through the feeding port 100. The blades of the crushing assembly will then crush the branches, and the resulting material will be discharged to the outside through the discharge port 200. Additionally, to ensure the crushing assembly operates normally, a drive assembly for driving the crushing assembly is also installed inside the second housing 2.

[0030] Furthermore, such as Figure 2 As shown, a bracket 5 is rotatably mounted on the outside of the second housing 2 to facilitate raising the height of the wood chipper. During operation, the bracket 5 provides support to ensure stable operation of the wood chipper. Additionally, a limiting component 4 for locking the direct rotation angle is provided between the second housing 2 and the bracket 5. Compared to existing technologies, the limiting component 4 in this application, combined with the rotatable bracket 5, enables the wood chipper to have multi-angle adjustment capabilities, further expanding its application scenarios.

[0031] Understandably, the bracket 5 on traditional wood chippers is mostly fixed or detachable, its main function being to improve the stability of the wood chipper. For wood chippers with a fixed bracket 5, the bracket 5 significantly increases the overall space occupied by the wood chipper, and may interfere with the placement of other items during storage and transportation. For wood chippers with a detachable bracket 5, although the bracket 5 can be removed for storage, it requires a certain amount of time to install the bracket 5 before starting the wood chipper, and there is a possibility of losing disassembled parts. In contrast, the bracket 5 in this application is rotatably mounted on the side of the wood chipper. When the wood chipper stops working, the bracket 5 can be rotated to the top of the first housing 1 to reduce the overall space occupied by the wood chipper.

[0032] Specifically, such as Figure 1 and Figure 2 As shown, the support frame 5 is V-shaped and includes a rotating section 51 and a supporting section 52. The rotating section 51 is rotatably mounted on the side of the second housing 2, and the outline of the supporting section 52 matches the outline of the upper surface of the first housing 1, so that the supporting section 52 can provide maximum support while minimizing its impact on the overall size of the shredder when stored. In other words, when the support frame 5 is unfolded, the supporting section 52 can be flush with the ground to provide support for the shredder, and when the support frame 5 is folded, the supporting section 52 can be flush with the first housing 1 as much as possible to reduce the overall space occupied by the shredder.

[0033] It should be understood that existing wood chippers are typically lifted by wrapping two arms around the side of the machine or by locating the chipper's locking mechanism, which carries the risk of soiling clothing or disrupting the handling process. Furthermore, since branches usually have multiple branches, and the feed inlet 100 has a relatively small diameter, feeding branches into the crushing chamber 31 may require manual assistance by pressing the branches down. However, under prolonged mechanical operation, fatigue or distraction could cause users to insert their fingers further, increasing the risk of hand injury. In addition, when the crushing components operate at high speed, some debris may splash out from the feed inlet 100, posing a threat to the user's health.

[0034] To further improve the portability and safety of the wood chipper, in some embodiments of this application, such as... Figure 2 As shown, the upper end of the feed section 11 extends to one side to form a handle 110. The support section 52 is arranged along the outer contour of the handle 110 to improve the effective support capacity of the support section 52. When the shredder is in the storage state, the support section 52 can fit against the handle 110, and the user only needs to hold the support section 52 and the handle 110 at the same time to carry the shredder with one hand. In addition, an S-shaped hook 301 is also installed on the handle 110. One end of the hook 301 is connected to the handle 110, and the other end is connected to the pusher plate 300. When the branches have multiple branches or the branches are stuck in the feed inlet 100, the pusher plate 300 can be used to push the branches into the crushing chamber 31 to avoid injury to the operator's hands, thereby improving the safety performance of the shredder. The S-shaped hook 301 can connect the pusher plate 300 to the handle 110 to prevent the pusher plate 300 from being lost.

[0035] In this embodiment, as Figure 1 and Figure 2As shown, a shaft 401 is installed on the support section 52, and wheels 400 are installed at both ends of the shaft 401 to reduce the difficulty of moving the wood chipper. When the user unfolds the bracket 5, they can push the wood chipper to move by placing their hand on the handle 110, making it easier for the operator to adjust the position of the wood chipper.

[0036] Additionally, a locking component should be provided at wheel 400 for locking the wheel 400. This is because the shredder generates significant vibration during operation, which, if exceeding a certain intensity, may cause wheel 400 to rotate. If wheel 400 rotates unintentionally, the shredder may tilt or move arbitrarily, increasing the impact on surrounding pedestrians. Therefore, a locking component can be used to fix wheel 400 in place, preventing rotation even if the machine itself vibrates. The locking component includes, but is not limited to, a locking block, anti-slip pads, etc. Those skilled in the art can select the specific locking component according to actual needs.

[0037] In this embodiment, as Figure 1 , Figure 2 and Figure 4As shown, the limiting component 4 includes a first adjusting plate 41, a second adjusting plate 42, and a knob 43. The first adjusting plate 41 is fixedly installed on the second housing 2. The second adjusting plate 42 is provided with a mounting part 420, and a rotating section 51 is fixedly installed on the mounting part 420. A connecting rod 510 is installed on the rotating section 51. One end of the connecting rod 510 passes through the first adjusting plate 41 and the second adjusting plate 42 and connects to the second housing 2, while the other end connects to the knob 43. The knob 43 is used to press the second adjusting plate 42 tightly against the first adjusting plate 41 by rotation, thereby preventing relative rotation between the first adjusting plate 41 and the second adjusting plate 42. When the user needs to adjust the angle of the bracket 5, simply loosen the knob 43 to put the bracket 5 into the adjustment state. Then, rotate the bracket 5 to the appropriate position according to actual needs, and finally tighten the knob 43 in the opposite direction to lock the first adjusting plate 41 and the second adjusting plate 42, thereby fixing the bracket 5 in a certain position. To ensure that the knob 43 can press the second adjusting disc 42 by rotation, a threaded connection structure is used as an example. A threaded connection is provided at the joint between the connecting rod 510 and the second housing 2. The knob 43 is fixedly connected to the connecting rod 510. When the knob 43 rotates, it drives the connecting rod 510 to rotate, thereby changing the insertion depth between the connecting rod 510 and the second housing 2. This allows the knob 43 to continuously press the second adjusting disc 42 tightly against the first adjusting disc 41, at which point the bracket 5 is locked. To unlock the bracket 5, simply turn the knob 43 in the desired direction to release the pressure effect of the second adjusting disc 42 on the first adjusting disc 41. Alternatively, the joint between the connecting rod 510 and the knob 43 can be threaded, with the connecting rod 510 fixedly connected to the second housing 2. The specific principle is the same as the example above, and will not be elaborated further here.

[0038] Furthermore, such as Figure 4 As shown, the mating surfaces of the first adjusting plate 41 and the second adjusting plate 42 are provided with mutually engaging locking teeth 410. When the support 5 is in the locked state, the locking action between the two locking teeth 410 can further enhance the locking degree of the second adjusting plate 42, thus preventing slippage of the mating surfaces of the first adjusting plate 41 and the second adjusting plate 42 due to factors such as excessive machine weight. In addition, to prevent the operator from turning the knob 43 in the wrong direction, the knob 43 should also be provided with unlocking and locking indicators to prevent the operator from turning the knob 43 in the opposite direction as actually needed. If the support 5 unlocks too quickly, the chipper may fall to the ground and cause damage.

[0039] In this embodiment, as Figure 5As shown, the second housing 2 is also provided with a downwardly inclined receiving plate 21, the higher end of which is attached to the lower wall of the crushing chamber 31. The material crushed by the crushing component can slide directly onto the receiving plate 21 under the action of gravity, thereby avoiding the accumulation of a large amount of material in the crushing chamber 31 and affecting the normal operation of the crushing component. The mounting base 3 extends to one side with a baffle plate 32, part of which is folded downward and cooperates with the receiving plate 21 to form the discharge port 200 of the shredder. The baffle plate 32 can guide the material discharged from the crushing chamber 31 to the discharge port 200 correctly, thereby avoiding the material from splashing at the discharge port 200 and affecting the material collection efficiency.

[0040] Furthermore, such as Figure 3 and Figure 5 As shown, the second housing 2 is provided with multiple heat dissipation holes 22 to prevent the drive components from overheating during power supply and affecting the normal operation of the machine. The inner wall of the baffle plate 32 is provided with multiple distribution plates 320. The plane of the distribution plates 320 is perpendicular to the plane of the discharge port 200. When the machine is running, the distribution plates 320 can further balance the airflow and divide the material sprayed from the crushing chamber 31 into multiple streams and evenly discharge them to the discharge port 200, so as to avoid the material from concentrating in one place and exhibiting a jet-like discharge phenomenon.

[0041] In this embodiment, the wood chipper also includes a charging component 500, which includes a power supply line 501 and a plug 502. One end of the power supply line 501 is connected to the drive component, and the other end is connected to the plug 502. The drive component is charged by inserting the plug 502 into the socket. When the wood chipper needs to be moved for work, the drive component can be fully charged through the charging component 500, and then the wood chipper can be driven for long-distance work. Of course, in emergency situations, it can also be charged while performing wood chipping operations. A sealing tube 600 is provided on the second housing 2, and the power supply line 501 is at least partially inserted into the sealing tube 600, thereby improving the waterproof and insulation effect of the charging component 500 and preventing damage to the part of the power supply line 501 in contact with the second housing 2 under long-term vibration.

[0042] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A portable wood chipper, comprising a mounting base (3), characterized in that, The mounting base (3) is equipped with a first housing (1) and a second housing (2). The mounting base (3) is provided with a crushing chamber (31) and a discharge port (200) communicating with the crushing chamber (31). The crushing chamber (31) is equipped with a crushing component for crushing branches. The first housing (1) is provided with a switch and a feeding part (11). The switch is used to control the crushing component. The feeding part (11) is provided with a feeding port (100) communicating with the crushing chamber (31). The second housing (2) is equipped with a driving component for driving the crushing component. The second housing (2) is rotatably mounted with a bracket (5). A limiting component (4) for locking the rotation angle of the bracket (5) is provided between the bracket (5) and the second housing (2).

2. The portable wood chipper as described in claim 1, characterized in that, The bracket (5) includes a rotating section (51) and a supporting section (52). The rotating section (51) is rotatably mounted on the side of the second housing (2), and the outline of the supporting section (52) matches the outline of the upper surface of the first housing (1).

3. The portable wood chipper as described in claim 2, characterized in that, The feeding part (11) extends outward with a handle (110), the support section (52) is arranged along the outer contour of the handle (110), and an S-shaped hook (301) is installed on the handle (110). One end of the hook (301) is connected to the handle (110), and the other end is connected to a pusher plate (300).

4. The portable wood chipper as described in claim 2, characterized in that, A shaft (401) is installed on the support section (52), and wheels (400) are installed at both ends of the shaft (401).

5. The portable wood chipper as described in claim 2, characterized in that, The limiting component (4) includes a first adjusting plate (41), a second adjusting plate (42), and a knob (43). The first adjusting plate (41) is fixedly installed on the second housing (2). The second adjusting plate (42) is provided with a mounting part (420). The rotating section (51) is fixedly installed on the mounting part (420). A connecting rod (510) is also installed on the rotating section (51). One end of the connecting rod (510) passes through the first adjusting plate (41) and the second adjusting plate (42) and is connected to the second housing (2). The other end is connected to the knob (43). The knob (43) is used to press the second adjusting plate (42) tightly against the first adjusting plate (41).

6. The portable wood chipper as described in claim 5, characterized in that, The first adjusting plate (41) and the second adjusting plate (42) are provided with mutually cooperating locking teeth (410) on their mating surfaces.

7. The portable wood chipper as described in claim 1, characterized in that, The second housing (2) is also provided with a downwardly inclined receiving plate (21), and the higher end of the receiving plate (21) is attached to the lower wall of the crushing chamber (31).

8. The portable wood chipper as described in claim 7, characterized in that, The mounting base (3) extends outward with a baffle plate (32), which is partially folded downward and cooperates with the receiving plate (21) to form the discharge port (200).

9. The portable wood chipper as described in claim 8, characterized in that, The second housing (2) is provided with a plurality of heat dissipation holes (22), and the inner wall of the baffle plate (32) is provided with a plurality of material distribution plates (320).

10. The portable wood chipper as described in claim 1, characterized in that, It also includes a charging component (500), which includes a power supply line (501) and a plug (502), one end of the power supply line (501) being connected to the drive component and the other end being connected to the plug (502).

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