Power tools with detachable dust collectors

Abstract

This utility model discloses an electric tool with a detachable dust collector, including a tool body and a dust collector. The rear side of the dust collector is provided with a connecting groove, and the connecting groove is provided with an upper guide component and a lower guide component distributed vertically. The upper guide component includes two upper guide ribs arranged opposite each other on the two sides of the groove wall, and the lower guide component includes two lower guide ribs arranged opposite each other on the two sides of the groove wall. Both sides of the tool body are provided with upper and lower guide grooves. The dust collector is slidably inserted into the tool body through the cooperation of the guide ribs and the guide grooves. The connecting groove is provided with a snap-fit ​​part, and the tool body is provided with a slot that cooperates with the snap-fit ​​part. The snap-fit ​​part snaps into the slot to restrict the dust collector from sliding and separating from the tool body. The dust collector is provided with an unlocking mechanism that can separate the snap-fit ​​part from the slot. This patent can reduce the shaking and vibration between the dust collector and the tool body when the dust collector is installed on the tool body, and improve the stability of the connection.

Description

Technical Field

[0001] This utility model relates to an electric tool, and more particularly to an electric tool with a detachable dust collector. Background Technology

[0002] When power tools such as electric drills, impact drills, and hammer drills are used for drilling, dust is generated at the drilling site, causing dust to fly around and which is detrimental to the health of operators. Dust and other debris can also easily accumulate in the workplace. To solve this problem, there are existing methods that assemble a dust collection device on power tools to collect and recycle the dust generated during power tool operation.

[0003] For example, patent CN215968574U discloses a dust collector suitable for use with handheld power tools, comprising a housing; a telescopic suction tube coupled to the housing and configured to extend and retract toward and away from the housing, the telescopic suction tube including an outer tube supported by the housing and an inner tube slidably received in the outer tube; a suction fan located within the housing and operable to generate a vacuum in the telescopic suction tube; and a handle assembly including a handle portion, a head, and an adapter, the handle portion including a gripper and a threaded shaft, the head including an arcuate bend forming a circular opening for receiving the neck of the power tool, the circular opening formed by the arcuate bend being able to retract and expand by rotating the handle portion to accommodate power tools of different sizes, and the adapter being configured to clamp onto the housing of the dust collector, the power tool being coupled to the dust collector via the handle assembly.

[0004] The existing method of connecting dust collectors involves using a metal strip wound in a ring around the neck of the power tool to attach the dust collector to the power tool. During use, the ring-shaped metal strip may rotate or loosen relative to the neck of the power tool due to vibrations, causing the dust collector to shake relative to the power tool, resulting in poor connection stability. Utility Model Content

[0005] Based on the problem that the dust collector is connected to the power tool by a metal strip wound in a ring around the neck of the power tool, this connection method may cause the ring metal strip to rotate or loosen relative to the neck of the power tool due to the vibration of the power tool during use, causing the dust collector to shake relative to the power tool and resulting in poor connection stability, this utility model provides a power tool with a detachable dust collector.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problem is as follows: an electric tool with a detachable dust collector, comprising a tool body for operation and a dust collector for collecting dust generated by the operation of the tool body. The rear side of the dust collector is provided with a connecting groove that mates with the tool body. The connecting groove has an opening for a connecting part on the tool body to enter. An upper guide assembly and a lower guide assembly are provided in the connecting groove. The upper guide assembly includes two upper guide ribs that are oppositely arranged on the two sides of the groove wall. The lower guide assembly includes two upper guide ribs that are oppositely arranged on the two sides of the groove wall. The tool body has two guide ribs, and upper and lower guide grooves corresponding to the upper and lower guide ribs on both sides. The dust collector is slidably inserted into the tool body through the cooperation of the guide ribs and guide grooves. A locking mechanism is provided between the tool body and the dust collector to lock the dust collector when it is inserted into the tool body. The locking mechanism includes a snap-fit ​​part provided in the connecting groove. The tool body has a slot that cooperates with the snap-fit ​​part. The snap-fit ​​part snaps into the slot to restrict the dust collector from sliding and separating from the tool body. The dust collector has an unlocking mechanism that can separate the snap-fit ​​part from the slot.

[0007] A further preferred technical solution of this utility model is as follows: a groove is provided on the inner side wall of the upper guide rib or the lower guide rib. The groove has an upper protrusion and a lower protrusion that are connected to the upper and lower surfaces of the upper guide rib or the lower guide rib. A rubber column is inserted and fixed in the groove. The upper and lower parts of the rubber column pass through the upper protrusion and the lower protrusion respectively and protrude from the upper and lower surfaces of the upper guide rib or the lower guide rib. When the dust collector is installed on the tool body, the rubber column is interference-fitted with the groove wall of the upper guide groove or the lower guide groove.

[0008] A further preferred technical solution of this utility model is as follows: the tool body includes a motor housing for accommodating the tool motor and a transmission housing for accommodating the transmission mechanism. The transmission housing is fixed to the upper end of the motor housing. The dust collector is inserted into the front part of the motor housing through a connecting groove. The lower guide groove is disposed on the motor housing, and the upper guide groove is disposed on the motor housing or between the motor housing and the transmission housing or on the transmission housing.

[0009] A further preferred embodiment of this utility model is as follows: the snap-fit ​​part is disposed at the upper end of the connecting groove, and the snap-fit ​​groove is disposed at the bottom of the transmission housing.

[0010] A further preferred embodiment of this utility model is as follows: the dust collector includes a dust collection shell, the rear side of which is formed with the connecting groove. The locking mechanism includes a swing rod and a first return spring disposed inside the dust collection shell. One end of the swing rod is hinged to the dust collection shell and can swing up and down around the hinge point. The other end of the swing rod extends rearward into the connecting groove and is fixedly provided with a locking part. When the swing rod swings downward, the locking part can disengage from the locking groove. The first return spring has an elastic force to push the swing rod to swing upward and return to its original position. The unlocking mechanism includes an unlocking button connected to the swing rod. The dust collection shell is provided with a button window, through which the unlocking button is exposed. When the unlocking button is pressed by an external force, the swing rod swings downward.

[0011] A further preferred embodiment of this utility model is that the unlock button is located on either the left or right side of the upper surface of the dust collection housing.

[0012] A further preferred embodiment of this utility model is as follows: a chuck for connecting a working head is installed at the front of the transmission housing, and the unlocking button is located at least partially outside the orthographic projection of the transmission housing and the chuck onto the upper surface of the dust collection shell.

[0013] A further preferred embodiment of this utility model is: a lateral extension is connected to the side of the swing rod, and an unlock button is connected to the other end of the lateral extension.

[0014] A further preferred embodiment of this utility model is: the connecting groove is provided with abutting ribs, which are formed along the shape of the front surface of the motor housing and abut against the front surface of the motor housing when inserted.

[0015] A further preferred technical solution of this utility model is as follows: the dust collector further includes a movable tube, a dust collection motor, a dust collection fan, and a dust collection box. The movable tube is movably mounted on the dust collection shell, and a dust collection ring is provided at the front end of the movable tube. A dust collection port is provided inside the dust collection ring. The dust collection box is mounted on the dust collection shell and has a dust collection chamber inside. The dust collection box has a dust inlet and an air outlet. The dust collection shell has an exhaust port. A dust collection channel is provided between the dust inlet and the dust inlet, and an air outlet channel is provided between the air outlet and the exhaust port. A filter is provided on the air outlet. The dust collection motor and the dust collection fan are located on the air outlet channel. The dust collection fan is driven by the dust collection motor to rotate to form an airflow that enters the dust collection channel from the dust inlet, passes through the dust collection box and the air outlet channel, and is discharged from the exhaust port. A first electrical connection part is provided in the connecting groove for electrical connection with the dust collection motor. A second electrical connection part is provided on the motor housing to cooperate with the first electrical connection part. When the dust collection shell is inserted into the tool body, the first electrical connection part and the second electrical connection part are engaged.

[0016] Compared with the prior art, the advantages of this utility model are that a connecting groove is provided on the rear side of the dust collector, and an upper guide component and a lower guide component are provided in the connecting groove. The upper guide component includes two upper guide ribs arranged opposite to each other on the two sides of the groove wall, and the lower guide component includes two lower guide ribs arranged opposite to each other on the two sides of the groove wall. Upper guide grooves and lower guide grooves corresponding to the upper and lower guide ribs are provided on both sides of the tool body. The dust collector is slidably inserted into the tool body through the cooperation of the guide ribs and guide grooves, and the dust collector and the tool body are locked in the inserted state by the snap-fit ​​of the snap-fit ​​part and the snap-fit ​​groove. Through the insertion between the connecting groove and the connecting part on the tool body, as well as the sliding cooperation between the upper guide rib and the upper guide groove and the lower guide rib and the lower guide groove, the shaking and vibration between the dust collector and the tool body when installed on the tool body are reduced, the connection stability is improved, and the problem of metal hoop loosening due to the vibration of the power tool when using metal hoop for clamping is avoided. Moreover, the insertion method makes the installation simple and quick. Attached Figure Description

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present invention. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0018] Figure 1 A schematic diagram of the dust collector being installed on the tool body; Figure 2 A top view of the dust collector being mounted on the tool body; Figure 3 A first cross-sectional view of the dust collector being inserted into the tool body; Figure 4 for Figure 3 Enlarged view of a portion at point A; Figure 5 This is a second cross-sectional view of the dust collector being installed on the tool body. Figure 6 This is a third cross-sectional view of the dust collector being installed on the tool body. Figure 7 for Figure 6 A magnified view of section B; Figure 8 This is a structural diagram of the main body of the tool; Figure 9 This is a schematic diagram of the internal structure of the tool body; Figure 10 This is a schematic diagram of the dust collector. Figure 11 A schematic diagram of the internal structure of a dust collector; Figure 12 This is a first cross-sectional schematic diagram of the dust collector; Figure 13 This is a second cross-sectional schematic diagram of the dust collector; Figure 14 for Figure 13 A magnified view of a portion of point C.

[0019] In the diagram: 1. Tool body; 2. Dust collector; 3. Working head; 4. Unlock button; 5. Button window; 6. Movable tube; 7. Transmission housing; 8. Dust collection housing; 9. Chuck; 10. Dust collection ring; 11. Motor housing; 12. Lower guide groove; 13. Lower protrusion; 14. Rubber column; 15. Groove; 16. Upper protrusion; 17. Lower guide rib; 18. Connecting groove; 19. Battery pack; 20. Handle; 21. First return spring; 22. Swing rod; 23. Slot; 24. Snap-fit ​​part; 25. 26. Socket; 27. Upper guide groove; 28. Second electrical connection part; 29. ​​Upper guide rib; 30. Abutting rib; 31. First electrical connection part; 32. Lateral extension part; 33. Dust collection fan; 34. Dust collection box; 35. Filter; 36. Dust collection motor; 37. Front limit stop; 38. Dust suction channel; 39. Spring tube; 40. Abutting seat; 41. Rear limit stop; 42. Rear locking button; 43. Rear sliding seat; 44. Second support spring; 45. Rack; 46. Second tooth; 47. Second groove. Detailed Implementation

[0020] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0021] It should be noted that similar labels in the following figures indicate similar items; therefore, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

[0022] Figures 1-14 As shown, a power tool with a detachable dust collector includes a tool body 1 for operation and a dust collector 2 for collecting dust generated by the operation of the tool body 1. The tool body 1 is, for example, an electric drill, an impact drill, or a hammer drill. A working head 3, such as a drill bit, is connected to the tool body 1. The working head 3 is mounted on the tool body 1 and is driven by a tool motor inside the tool body 1.

[0023] Figure 1 , Figures 5-8 , Figure 10As shown, the rear side of the dust collector 2 is provided with a connecting groove 18 that mates with the tool body 1. The connecting groove 18 has an opening for the connecting parts on the tool body 1 to enter. The connecting groove 18 is provided with an upper guide assembly and a lower guide assembly distributed vertically. The upper guide assembly includes two upper guide ribs 28 that are disposed opposite to each other on the two sides of the groove wall of the connecting groove 18. The lower guide assembly includes two lower guide ribs 17 that are disposed opposite to each other on the two sides of the groove wall of the connecting groove 18. Both sides of the tool body 1 are provided with upper guide grooves corresponding to the upper guide ribs 28 and the lower guide ribs 17. 26 and lower guide groove 12, the dust collector 2 is slidably inserted into the tool body 1 through the cooperation of the guide rib and the guide groove. There is a locking mechanism between the tool body 1 and the dust collector 2 to lock the dust collector 2 when it is inserted into the tool body 1. The locking mechanism includes a snap-fit ​​part 24 provided in the connecting groove 18. The tool body 1 is provided with a slot 23 that cooperates with the snap-fit ​​part 24. The snap-fit ​​part 24 snaps into the slot 23 to restrict the dust collector 2 from sliding and separating from the tool body 1. The dust collector 2 is provided with an unlocking mechanism that can separate the snap-fit ​​part 24 from the slot 23.

[0024] This patent reduces the shaking and vibration between the dust collector 2 and the tool body 1 when they are installed on the tool body 1 by inserting the connecting groove 18 into the connecting part on the tool body 1, and by sliding the upper guide rib 28 into the upper guide groove 26 and the lower guide rib 17 into the lower guide groove 12. This improves the stability of the connection and avoids the problem of the metal hoop loosening due to the vibration of the power tool when it is connected by metal hoop. The insertion method makes the installation simple and quick.

[0025] The tool body 1 includes a motor housing 11 for housing the tool motor and a transmission housing 7 for housing the transmission mechanism. The transmission housing 7 is fixed to the upper end of the motor housing 11, and the transmission housing 7 and the motor housing 11 are in a horizontal L-shape. The tool motor is installed inside the motor housing 11, and the transmission mechanism, which is connected to the tool motor, is installed inside the transmission housing 7. The working head 3 is installed at the front of the transmission housing 7 and connected to the transmission mechanism. The transmission mechanism receives the power output from the tool motor and transmits it to the working head 3, enabling the working head 3 to perform processing. The transmission structure of the working head 3, the transmission assembly, and the tool motor is the same as that of existing power tools, and will not be described in detail in this patent.

[0026] Additionally, a handle 20 is connected to the rear of the motor housing 11 and the transmission housing 7. A battery pack 19 is detachably installed at the bottom of the handle 20, and the battery pack 19 is used to provide electrical power.

[0027] The dust collector 2 is inserted into the front of the motor housing 11 via the connecting groove 18. The motor housing 11 serves as the part that connects to the dust collector 2. The lower guide groove 12 is provided on the motor housing 11, and the upper guide groove 26 is provided on the motor housing 11, or between the motor housing 11 and the transmission housing 7, or on the transmission housing 7. For example, in this embodiment, the upper guide groove 26 is provided between the motor housing 11 and the transmission housing 7.

[0028] The snap-fit ​​part 24 is located at the upper end of the connecting groove 18, and the snap-fit ​​groove 23 is located at the bottom of the transmission housing 7.

[0029] The dust collector 2 includes a dust collection housing 8, with a connecting groove 18 formed on the rear side of the dust collection housing 8. The locking mechanism includes a swing rod 22 and a first return spring 21 disposed inside the dust collection housing 8. One end of the swing rod 22 is hinged to the dust collection housing 8, and the swing rod 22 can swing up and down around the hinge point. The other end of the swing rod 22 extends rearward into the connecting groove 18, and a locking part 24 is fixed on the end. A through-hole is provided between the connecting groove 18 and the interior of the dust collection housing 8 for the swing rod 22 to pass through. When the swing rod 22 swings downward, the locking part 24 can disengage from the locking groove 23. The first return spring 21 has an elastic force to push the swing rod 22 to swing upward and return to its original position. The unlocking mechanism includes an unlocking button 4 connected to the swing rod 22. A button window 5 is provided on the dust collection housing 8, and the unlocking button 4 protrudes from the button window 5. When the unlocking button 4 is pressed by an external force, the swing rod 22 swings downward.

[0030] The dust collection housing 8 has a lower positioning groove inside, and the bottom of the swing rod 22 has an upper positioning groove. The two ends of the first return spring 21 are respectively inserted into the upper positioning groove and the lower positioning groove to provide the swing rod 22 with the elastic force for swinging upward.

[0031] The rear side of the locking part 24 is a slope, and the transmission housing 7 is provided with a slope at the position in front of the slot 23. During the process of the dust collector 2 being slidably inserted into the tool body 1, the upper guide rib 28 slides into the upper guide groove 26, and the lower guide rib 17 slides into the lower guide groove 12. When it slides into the position where the slope on the rear side of the locking part 24 abuts against the slope on the front side of the slot 23, the slope on the front side of the slot 23 pushes the locking part 24 and the swing rod 22 to swing downward around the hinge point, so that the locking part 24 can pass under the slope on the front side of the slot 23 and fall into the slot 23 to form a lock. When it is necessary to remove the dust collector 2, by pressing down the unlock button 4, the unlock button 4 drives the swing rod 22 and the locking part 24 to swing downward around the hinge point, so that the locking part 24 disengages downward from the slot 23, completing the unlocking. At this time, the dust collector 2 can be removed from the tool body 1 by pulling forward relative to the tool body 1.

[0032] Figure 2As shown, the unlock button 4 is positioned on either the left or right side of the upper surface of the dust collection housing 8. A chuck 9 for connecting the working head 3 is mounted on the front of the transmission housing 7, and the unlock button 4 is at least partially located outside the orthographic projection of the transmission housing 7 and the chuck 9 onto the upper surface of the dust collection housing 8.

[0033] The placement of the unlock button 4 makes it easier and more convenient for users to press the unlock button 4, facilitating the disassembly of the dust collector 2.

[0034] Figure 11 As shown, a lateral extension 31 is connected to the side of the swing arm 22, and the unlock button 4 is connected to the other end of the lateral extension 31 so that the position of the unlock button 4 can be set to deviate from the swing arm 22, thereby realizing the above-mentioned position distribution of the unlock button 4. In addition, the lateral extension 31 also increases the lever arm of the unlock button 4, so that the swing arm 22 can be pressed down by the unlock button 4 with less effort.

[0035] Figure 11 , Figure 12 As shown, the dust collector 2 also includes a movable tube 6, a dust collection motor 35, a dust collection fan 32, and a dust collection box 33. The movable tube 6 is movably mounted on the dust collection housing 8, and a dust collection ring 10 is provided at the front end of the movable tube 6. The dust collection ring 10 has a suction port inside. The dust collection box 33 is mounted on the dust collection housing 8 and has a dust collection chamber inside. The dust collection box 33 has a dust inlet and an air outlet. The dust collection housing 8 has an exhaust port. A dust suction channel 37 is provided between the suction port and the dust inlet, and an exhaust channel is provided between the exhaust port and the exhaust port. A filter 34 is provided on the exhaust port. The dust collection motor 35 and the dust collection fan 32 are also included. The fan 32 is located on the air outlet channel. The dust collection fan 32 is driven to rotate by the dust collection motor 35 to form an airflow that enters the dust collection channel 37 from the dust inlet, passes through the dust collection box 33 and the air outlet channel, and is discharged from the exhaust port. The connecting groove 18 is provided with a first electrical connection part 30 that is electrically connected to the dust collection motor 35. The motor housing 11 is provided with a second electrical connection part 27 that cooperates with the first electrical connection part 30. When the dust collection housing 8 is inserted into the tool body 1, the first electrical connection part 30 and the second electrical connection part 27 are engaged, so that the tool body 1 and the dust collector 2 are energized. The dust collector 2 is powered through the tool body 1.

[0036] The motor housing 11 is provided with a socket 25 for inserting the first electrical connection part 30. The second electrical connection part 27 is located inside the motor housing 11. The first electrical connection part 30 is inserted into the socket 25 and connected to the second electrical connection part 27.

[0037] The dust collection housing 8 is equipped with a spring tube 38. One end of the spring tube 38 is inserted into the movable tube 6 to provide the movable tube 6 with an outward extension force. The spring tube 38 is part of the dust suction channel 37.

[0038] Figures 12-14As shown, a rack 44 is fixed on the movable tube 6, and a front limit stop 36 and a rear limit stop 40 are slidably provided on the movable tube 6. An abutment seat 39 is provided on the dust collection shell 8 between the front limit stop 36 and the rear limit stop 40.

[0039] The front limit stop 36 includes a front sliding seat and a front locking button disposed on the front sliding seat. The front locking button can move up and down relative to the front sliding seat. A first support spring is provided between the front locking button and the front sliding seat. The first support spring provides an upward elastic force for the front locking button. A first tooth is fixed on the front locking button. The first tooth engages with a rack 44 to restrict the movement of the front sliding seat relative to the movable tube 6. The first tooth can be disengaged from the rack 44 by pressing the front locking button, so that the front sliding seat can slide on the movable tube 6 to adjust the position of the front limit stop 36 on the movable tube 6. The bottom of the front sliding seat is provided with a first groove for accommodating the first tooth. In the initial state, the first tooth is limited to the inner top of the first groove to prevent the front locking button from disengaging upward from the front sliding seat.

[0040] The rear limiting stop 40 includes a rear sliding seat 42 and a rear locking button 41 disposed on the rear sliding seat 42. The rear locking button 41 can move up and down relative to the rear sliding seat 42. A second support spring 43 is provided between the rear locking button 41 and the rear sliding seat 42. The second support spring 43 provides an upward elastic force for the rear locking button 41. A second tooth 45 is fixed on the rear locking button 41. The second tooth 45 engages with a rack 44 to restrict the movement of the rear sliding seat 42 relative to the movable tube 6. The second tooth 45 can be disengaged from the rack 44 by pressing the rear locking button 41, so that the rear sliding seat 42 can slide on the movable tube 6 to adjust the position of the rear limiting stop 40 on the movable tube 6. The bottom of the rear sliding seat 42 is provided with a second groove 46 for accommodating the second tooth 45. In the initial state, the second tooth 45 is limited to the inner top of the second groove 46 to prevent the rear locking button 41 from disengaging upward from the rear sliding seat 42.

[0041] The drilling depth of the tool body 1 during perforation operations is controlled by adjusting the front limit stop 36 and the rear limit stop 40 in the front and rear positions of the movable tube 6.

[0042] The movable tube 6 is located on either the left or right side of the dust collection housing 8. Preferably, the unlocking button 4 is located on the left side of the upper surface of the dust collection housing 8, and the movable tube 6 is located on the right side of the dust collection housing 8.

[0043] The connecting groove 18 is provided with abutting rib 29, which is formed along the shape of the front surface of the motor housing 11 and abuts against the front surface of the motor housing 11 in the case of insertion, so as to improve the stability of the connection between the dust collector 2 and the tool body 1.

[0044] Figure 3 , Figure 4As shown, a groove 15 is provided on the inner side wall of the upper guide rib 28 or the lower guide rib 17. The groove 15 has an upper protrusion 16 and a lower protrusion 13 that are connected to the upper and lower surfaces of the upper guide rib 28 or the lower guide rib 17. A rubber column 14 is inserted and fixed in the groove 15. The upper and lower parts of the rubber column 14 pass through the upper protrusion 16 and the lower protrusion 13 respectively and protrude from the upper and lower surfaces of the upper guide rib 28 or the lower guide rib 17. When the dust collector 2 is inserted into the tool body 1, the rubber column 14 is interference-fitted with the groove wall of the upper guide groove 26 or the lower guide groove 12.

[0045] By setting the rubber column 14 to have an interference fit with the wall of the upper guide groove 26 or the lower guide groove 12, the gap between the guide groove and the guide rib is compensated, thereby making the assembly tighter and less prone to vibration. Furthermore, the rubber column 14 is set between the dust collector 2 and the tool body 1. The rubber column 14 sandwiched between the two can play a certain vibration reduction role to reduce the vibration transmitted to the dust collector 2.

[0046] Preferably, the rubber column 14 is mounted on the lower guide rib 17.

[0047] The above describes the power tool with a detachable dust collector provided by this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand this utility model and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from its principle, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A power tool with a detachable dust collector, comprising a tool body for work and a dust collector for collecting dust generated by the work of the tool body, characterized in that, The dust collector has a connecting groove on its rear side that connects to the tool body. The connecting groove has an opening for the connecting parts on the tool body to enter. An upper guide assembly and a lower guide assembly are arranged vertically within the connecting groove. The upper guide assembly includes two upper guide ribs positioned opposite each other on the sides of the groove, and the lower guide assembly includes two lower guide ribs positioned opposite each other on the sides of the groove. The tool body has upper and lower guide grooves on both sides corresponding to the upper and lower guide ribs. The dust collector is slidably inserted into the tool body through the cooperation of the guide ribs and guide grooves. A locking mechanism is provided between the tool body and the dust collector to lock the dust collector when it is inserted into the tool body. The locking mechanism includes a snap-fit ​​part located within the connecting groove. The tool body has a slot that engages with the snap-fit ​​part, allowing the snap-fit ​​part to engage with the slot to restrict the dust collector from sliding and separating from the tool body. The dust collector also has an unlocking mechanism that allows the snap-fit ​​part to separate from the slot.

2. The power tool with a detachable dust collector according to claim 1, wherein A groove is provided on the inner wall of the upper or lower guide rib. The groove has an upper protrusion and a lower protrusion that are connected to the upper and lower surfaces of the upper or lower guide rib. A rubber column is inserted and fixed in the groove. The upper and lower parts of the rubber column pass through the upper protrusion and the lower protrusion respectively and protrude from the upper and lower surfaces of the upper or lower guide rib. When the dust collector is installed on the tool body, the rubber column is interference-fitted with the groove wall of the upper or lower guide groove.

3. The power tool with a detachable dust collector according to claim 1, characterized in that, The tool body includes a motor housing for accommodating the tool motor and a transmission housing for accommodating the transmission mechanism. The transmission housing is fixed to the upper end of the motor housing. The dust collector is inserted into the front of the motor housing through a connecting groove. The lower guide groove is provided on the motor housing, and the upper guide groove is provided on the motor housing or between the motor housing and the transmission housing or on the transmission housing.

4. The power tool with a detachable dust collector according to claim 3, characterized in that, The snap-fit ​​part is located at the upper end of the connecting groove, and the snap-fit ​​groove is located at the bottom of the transmission housing.

5. The power tool with a detachable dust collector according to claim 3, characterized in that, The dust collector includes a dust collection shell with a connecting groove formed on the rear side. The locking mechanism includes a swing rod and a first return spring disposed inside the dust collection shell. One end of the swing rod is hinged to the dust collection shell and can swing up and down around the hinge point. The other end of the swing rod extends rearward into the connecting groove and has a locking part fixed on its end. When the swing rod swings downward, the locking part can disengage from the locking groove. The first return spring has an elastic force to push the swing rod to swing back to its original position. The unlocking mechanism includes an unlocking button connected to the swing rod. The dust collection shell has a button window, through which the unlocking button protrudes. When the unlocking button is pressed by an external force, the swing rod swings downward.

6. The power tool with a detachable dust collector according to claim 5, characterized in that, The unlock button is located on either the left or right side of the upper surface of the dust collection housing.

7. The power tool with a detachable dust collector according to claim 6, characterized in that, The front of the transmission housing is equipped with a chuck for connecting a working head for operation, and the unlock button is located at least partially outside the orthographic projection of the transmission housing and the chuck onto the upper surface of the dust collection housing.

8. The power tool with a detachable dust collector according to claim 6, characterized in that, The side of the swing arm is connected to a lateral extension, and the unlock button is connected to the other end of the lateral extension.

9. The power tool with a detachable dust collector according to claim 3, characterized in that, The connecting groove is provided with abutting ribs, which are formed along the shape of the front surface of the motor housing and abut against the front surface of the motor housing when inserted.

10. The power tool with a detachable dust collector according to claim 5, characterized in that, The dust collector also includes a movable tube, a dust collection motor, a dust collection fan, and a dust collection box. The movable tube is movably mounted on the dust collection housing, with a dust collection ring at its front end and a suction port inside the dust collection ring. The dust collection box is mounted on the dust collection housing and has a dust collection chamber inside. The dust collection box has a dust inlet and an air outlet. The dust collection housing has an exhaust port. A suction channel is provided between the suction port and the dust inlet, and an exhaust channel is provided between the exhaust port and the exhaust port. A filter is provided on the exhaust port. The dust collection motor and the dust collection fan are located on the exhaust channel. The dust collection fan is driven by the dust collection motor to rotate and form an airflow that enters the suction channel from the suction port, passes through the dust collection box and the exhaust channel, and is discharged from the exhaust port. The connecting groove has a first electrical connection part that is electrically connected to the dust collection motor. The motor housing has a second electrical connection part that mates with the first electrical connection part. When the dust collection housing is inserted into the tool body, the first electrical connection part and the second electrical connection part are engaged.

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