A shock drill bit stabilizer that reduces vibration
By combining the base shell, bearings, buffer guide frame and gas buffer section, the stability and vibration reduction problem of impact drills is solved, the drill bit is stably guided and multi-level vibration reduction is achieved, the operating comfort is improved and dust is prevented from entering, and the stability of the equipment is ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG TONGDA ELECTRICAL APPLIANCE
- Filing Date
- 2024-12-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing shock absorption devices for impact drills are simple but generally ineffective. After prolonged use, their guiding accuracy decreases, affecting their shock absorption performance.
It adopts a combined structure of base shell, bearing, buffer guide frame and gas buffer section. Through bearing guidance, hydraulic damping of buffer guide frame and air bag buffer, combined with dustproof design of guide component, it can achieve stable guidance of drill bit and multi-level shock reduction.
It improves the stability and comfort of the drill bit, reduces user fatigue caused by vibration, and prevents dust and debris from entering the equipment, thus maintaining the processing stability of the equipment.
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Figure CN119610416B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electric tools, in particular to a drill bit stabilizing device for impact drill capable of reducing vibration. BACKGROUND
[0002] The impact drill combines the functions of electric drill and impactor, which can apply impact force while drilling, making it more efficient to drill on hard materials such as concrete and brick walls. It is usually composed of an electric motor, a transmission mechanism, an impact mechanism, a drill bit and a chuck. Due to the special working principle of the impact drill, a large vibration and impact force will occur at the drill bit during operation. Therefore, in order to improve the comfort during operation and reduce fatigue during long-term use of the impact drill, a drill bit stabilizing device is needed to reduce vibration.
[0003] The existing shock-absorbing device of the impact drill usually uses rubber pads and springs to absorb the vibration during drilling, and bearings are used to guide the drill bit during drilling to keep the displacement of the drill bit stable and thus reduce vibration. However, this kind of shock-absorbing method is relatively simple and the effect is general. Moreover, the vibration during drilling is borne by the bearings, which can easily lead to a decrease in guiding accuracy or damage to the bearings over a long period of time, thereby affecting the shock-absorbing performance of the impact drill. Therefore, according to the above problems, a drill bit stabilizing device for impact drill capable of reducing vibration is proposed. SUMMARY
[0004] The present application aims to provide a drill bit stabilizing device for impact drill capable of reducing vibration to solve the problem that the existing stabilizing and shock-absorbing device of the impact drill is relatively simple, the shock-absorbing effect is general, and the stable guiding performance will decrease over a long period of time, thereby affecting the shock-absorbing performance of the impact drill.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:
[0006] A drill bit stabilizing device for impact drill capable of reducing vibration, comprising a handle, a press button, a drill main body, a drill bit part and a stabilizing module, a press button is installed at the trigger of the handle, a drill main body is installed on the upper side of the handle, the drill main body comprises an outer shell fixed on the upper side of the handle, a drive impact part is installed on the inner side of the outer shell, a rotating shaft with its right end penetrating the stabilizing module is fixedly connected to the right side of the gear of the drive impact part, a drill bit part is installed on the right end of the rotating shaft, the drill bit part comprises a chuck fixedly connected with the rotating shaft, a drill rod is installed in the right chuck opening of the chuck, a limiting rotating ring is fixedly connected to the left side of the chuck, the stabilizing module is between the drill main body and the drill bit part, the stabilizing module comprises a base shell, a bearing, a buffer guide frame, a gas buffer part, a flow guide piece and a flow guide sleeve, a side handle is fixedly connected to the rear side of the base shell.
[0007] Preferably, the base shell comprises a shell body fixed on the right side of the outer shell, the outer side of the shaft of the shell body is provided with a mounting position on the outer side of the rotating shaft, the inner side of the mounting position is fixedly connected with a bearing sleeved on the outer side of the rotating shaft, the inner side of the shell body is provided with a liquid cavity on the outer side of the mounting position, the right side of the liquid cavity is provided with a group of three through guide grooves, the side away from the mounting position of the guide groove is provided with a rail groove, the buffer guide frame comprises a guide rod in sliding connection with the guide groove, the right end of a group of the guide rods is fixedly connected with a sleeve ring in rotating connection with the limiting rotating ring, the left end of a group of the guide rods is fixedly connected with a liquid passing ring on the inner side of the liquid cavity, the left and right sides of the liquid passing ring are fixedly connected with elastic rings, the inner side of the rail groove is in sliding connection with a linkage block fixedly connected with the guide rod, the gas buffer part comprises a group of two fixed rings on the two sides of the rail groove, the fixed rings are fixedly connected with the outer curved surface of the shell body, the outer end faces of a group of the fixed rings are provided with a ring shell sleeved on the outer side of the shell body, the inner curved surface of the ring shell is provided with a group of three sockets, the exposed end of the linkage block is on the inner side of the socket, the outer end faces of the ring shell and the two side fixed rings are fixedly connected with a folding air bag, the side away from the ring shell of the folding air bag is communicated with an air inlet valve pipe passing through the fixed ring, the side away from the fixed ring of the folding air bag is communicated with an air outlet valve pipe in communication with the ring shell.
[0008] Preferably, the driving impact part is composed of a motor, a transmission gear shaft, a frame plate, a first impact tooth piece on the right side of the frame plate, a gear meshing with the transmission gear shaft, a second impact tooth piece on the left side of the gear, and a return spring, the return spring of the driving impact part is arranged between the frame plate and the gear, the handle is built-in with a battery pack, the battery pack of the handle and the motor of the driving impact part are electrically connected, and the pressing button and the motor of the driving impact part are electrically connected.
[0009] Preferably, the outer ring of the bearing is fixedly connected with the inner wall of the mounting position, the inner wall of the inner ring of the bearing is matched with the outer curved surface of the rotating shaft, the outer curved surface of the guide rod is matched with the inner wall of the guide groove, the inner and outer curved surfaces of the liquid passing ring are matched with the inner wall of the liquid cavity, and a group of multiple liquid passing openings arranged at equal angles are arranged on the inner side of the liquid passing ring.
[0010] Preferably, the folding air bag and the ring shell are sleeved on the outer side of the rail groove, the air inlet valve pipe and the air outlet valve pipe are composed of a pipe body and a one-way valve, the air outlet valve pipe is arranged on the inner side of the ring shell, and a group of the air outlet valve pipes are arranged in an up-down distribution.
[0011] Preferably, the side of the guide groove close to the rotating shaft is provided with an air groove, the right side of the shaft track of the base shell is provided with an expanding opening, the left side of the expanding opening is provided with an annular groove, and the expanding opening and the air groove are communicated with an air outlet, the inner side of the linkage block is provided with an air inlet for penetrating the guide rod, the flow guide piece is installed on the inner side of the expanding opening, and the flow guide piece comprises a back ring which is attached to the left side inner wall of the expanding opening.
[0012] Preferably, the air groove and the rail groove are aligned, the groove length of the air groove is the same as the groove length of the rail groove, the air outlet is arranged on the left side of the flow guide sleeve, the air outlet is arranged on the right side of the back ring, the air outlet and the taper sleeve are aligned, and a gap is arranged between the flow guide piece and the flow guide sleeve.
[0013] Compared with the prior art, the present application has the following advantages:
[0014] 1、In the present application, the base shell, bearing, buffer guide frame and gas buffer part are arranged to bear the bearing, buffer guide frame and gas buffer part, the bearing cooperates with the buffer guide frame to stably guide the displacement of the rotating shaft and the drill bit part, so that the displacement of the drill bit part is always stable to reduce vibration, the displacement of the liquid passage ring in the liquid cavity extrudes the buffer hydraulic oil in the liquid cavity, so that the buffer hydraulic oil flows through the liquid passage to damp the reciprocating displacement of the drill bit part, so that the drill bit part remains stable during displacement, the ring shell is driven to reciprocate by the linkage block to extrude the one side folding air bag and expand the other side folding air bag, and the reciprocating inflation and deflation of the two side folding air bags can buffer the high-frequency displacement of the drill bit part to reduce vibration, so that the drill bit stabilizing device can stabilize, buffer and reduce vibration of the working drill bit through multiple operations, reduce user fatigue, improve operation comfort, and solve the problems of simple stabilizing and damping device of the existing impact drill, general damping effect, and long-term decline in stable guiding performance, which affects the damping performance of the impact drill.
[0015] 2. In this invention, the structure of the flow guide, flow guide sleeve, and gas buffer allows the reciprocating inflation and deflation of the folded airbags on both sides to continuously supply gas to the ring shell. The gas inside the ring shell passes through the linkage block and guide rod, enters the gas groove through the air inlet, and then the gas in the gas groove is discharged through the air outlet. The airflow discharged from the air outlet is sprayed onto the flow guide vane and cone sleeve of the flow guide. The airflow is then sprayed towards the drill head along the guide of the cone sleeve, flow guide vane, and flow guide sleeve. Affected by the airflow, the flow guide vane drives the cone sleeve, back ring, and rail ring to rotate, so that the sprayed airflow forms an airflow barrier between the hole of the flow guide sleeve and the gap of the rotating shaft. This prevents dust and debris generated during impact drilling from entering the equipment, solving the problem that existing impact drills generate a large amount of dust and debris during processing, which easily enters the equipment and affects the stability of the equipment during processing. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0017] Figure 2 For the present invention Figure 1 A schematic diagram of the cross-sectional structure;
[0018] Figure 3 This is a schematic diagram of the structure of the driving impact section of the present invention;
[0019] Figure 4 This is a schematic diagram of the structure of the drill bit of the present invention;
[0020] Figure 5 This is a schematic diagram of the structure of the stabilization module of the present invention;
[0021] Figure 6 For the present invention Figure 5 A schematic diagram of the cross-sectional structure;
[0022] Figure 7 For the present invention Figure 6 Another perspective structural diagram;
[0023] Figure 8 This is a cross-sectional view of the base shell of the present invention;
[0024] Figure 9 This is a schematic diagram of the structure of the buffer guide frame of the present invention;
[0025] Figure 10 This is a schematic diagram of the structure of the gas buffer section of the present invention;
[0026] Figure 11 This is a schematic diagram of the structure of the gas buffer section of the present invention;
[0027] Figure 12 For the present invention Figure 11 A schematic diagram of the frontal sectional view of the structure;
[0028] Figure 13 Structure diagram of the flow guide piece of the application.
[0029] In the figure: 1, handle; 2, press button; 3, drill main body; 31, outer shell; 32, driving impact part; 33, rotating shaft; 4, drill head part; 41, chuck; 42, drill rod; 43, limiting swivel; 5, stabilizing module; 51, base shell; 511, shell body; 512, mounting position; 513, flared portion; 514, ring groove; 515, liquid cavity; 516, guide groove; 517, rail groove; 518, gas groove; 519, air outlet; 52, bearing; 53, buffer guide frame; 531, sleeve ring; 532, guide rod; 533, liquid passage ring; 534, elastic ring; 535, linkage block; 536, air inlet; 54, gas buffer part; 541, fixed ring; 542, ring shell; 543, socket; 544, folding air bag; 545, air inlet valve pipe; 546, air outlet valve pipe; 55, flow guide piece; 551, rail ring; 552, back ring; 553, taper sleeve; 554, flow guide blade; 56, flow guide sleeve; 6, side handle. DETAILED DESCRIPTION
[0030] Please refer to Figures 1-13 The application provides a technical solution:
[0031] The utility model provides a shock drill drill head stabilizing device can reduce vibration, including handle 1, press button 2, drill main body 3, drill head 4 and stabilizing module 5, the trigger of handle 1 is installed with press button 2, the upper side of handle 1 is installed with drill main body 3, drill main body 3 includes the shell 31 of fixed in the upper side of handle 1, the inner side of shell 31 is installed with drive impact part 32, the gear right side of drive impact part 32 is fixedly connected with the right end of its through the pivot 33 of stabilizing module 5, the right end of pivot 33 is installed with drill head 4, drill head 4 includes the chuck 41 of fixed connection with pivot 33, the right clamp mouth of chuck 41 is installed with drill rod 42, the left side of chuck 41 is fixedly connected with the limit swivel ring 43, stabilizing module 5 is between drill main body 3 and drill head 4, stabilizing module 5 includes base shell 51, bearing 52, buffer guide frame 53, gas buffer part 54, flow guide 55 and flow guide sleeve 56, the rear side of base shell 51 is fixedly connected with side handle 6.The base shell 51 comprises a shell body 511 fixed on the right side of the shell 31, an installation position 512 is arranged outside the shaft 33 on the outer side of the shaft track of the shell body 511, a bearing 52 is fixedly connected outside the shaft 33 on the inner side of the installation position 512, a liquid cavity 515 is arranged outside the installation position 512 on the inner side of the shell body 511, a group of three guide grooves 516 are arranged in a penetrating manner on the right side of the liquid cavity 515, rail grooves 517 are arranged on the side of the guide grooves 516 away from the installation position 512, the buffer guide frame 53 comprises guide rods 532 in sliding connection with the guide grooves 516, a group of right ends of the guide rods 532 are fixedly connected with sleeve rings 531 in rotational connection with the limiting rotating ring 43, a group of left ends of the guide rods 532 are fixedly connected with liquid passing rings 533 inside the liquid cavity 515, the left and right sides of the liquid passing rings 533 are fixedly connected with elastic rings 534, the inner sides of the rail grooves 517 are in sliding connection with linkage blocks 535 fixedly connected with the guide rods 532, the gas buffer part 54 comprises a group of two fixed rings 541 on both sides of the rail grooves 517, the fixed rings 541 are fixedly connected with the outer curved surface of the shell body 511, an annular shell 542 is arranged outside the shell body 511 between the outer end faces of a group of the fixed rings 541, a group of three sockets 543 are arranged on the inner curved surface of the annular shell 542, the exposed ends of the linkage blocks 535 are inside the sockets 543, the annular shell 542 and the outer end faces of the two fixed rings 541 are fixedly connected with folded air bags 544, the sides of the folded air bags 544 away from the annular shell 542 are in communication with air inlet valve pipes 545 passing through the fixed rings 541, the sides of the folded air bags 544 away from the fixed rings 541 are in communication with air outlet valve pipes 546 in communication with the annular shell 542, through the above arrangement, the bearing 52 cooperates with the buffer guide frame 53 to stably guide the displacement of the shaft 33 and the drill bit part 4, the displacement of the liquid passing ring 533 in the liquid cavity 515 buffers the hydraulic oil in the liquid cavity 515, the buffer hydraulic oil is extruded along with the extrusion of the liquid passing ring 533, and the buffer hydraulic oil flows through the liquid passing port, thereby exerting damping on the reciprocating displacement drill bit part 4 to keep the drill bit part 4 stable during displacement, the annular shell 542 is driven to reciprocate by the linkage blocks 535 to extrude one side of the folded air bag 544 and expand the other side of the folded air bag 544, and the reciprocating inflation and deflation of the two sides of the folded air bag 544 can buffer the high-frequency displacement drill bit part 4 to reduce vibration.The driving impact part 32 is composed of a motor, a transmission gear shaft, a frame plate, a first impact gear on the right side of the frame plate, a gear meshing with the transmission gear shaft, a second impact gear on the left side of the gear, and a return spring. The return spring of the driving impact part 32 is arranged between the frame plate and the gear. Through this arrangement, the driving impact part 32 can drive the rotating shaft 33 to rotate, and during work, the rotating shaft 33 and the drill bit 4 are displaced reciprocatingly. The handle 1 is built-in with a battery pack. The battery pack of the handle 1 is electrically connected with the motor of the driving impact part 32. The pressing button 2 is electrically connected with the motor of the driving impact part 32. Through this arrangement, the battery pack of the handle 1 can supply power to the motor of the driving impact part 32, and the operation can be controlled by pressing the button 2. The outer ring of the bearing 52 is fixedly connected with the inner wall of the mounting position 512. The inner wall of the inner ring of the bearing 52 is in close contact with the outer curved surface of the rotating shaft 33. Through this arrangement, the bearing 52 can stably guide the displacement of the rotating shaft 33. The outer curved surface of the guide rod 532 is in close contact with the inner wall of the guide groove 516. The inner and outer curved surfaces of the liquid passage ring 533 are in close contact with the inner wall of the liquid cavity 515. Through this arrangement, the displacement of the rotating shaft 33 and the drill bit 4 can be further stably guided. A plurality of liquid passages arranged at equal angles are arranged on the inner side of the liquid passage ring 533. Through this arrangement, the buffer hydraulic liquid in the liquid cavity 515 can pass through the liquid passage ring 533. The folding air bag 544 and the ring shell 542 are both arranged on the outside of the rail groove 517. Through this arrangement, dust and debris are prevented from entering the rail groove 517. The inlet valve pipe 545 and the outlet valve pipe 546 are both composed of a pipe body and a one-way valve. Through this arrangement, the inlet and outlet positions of the folding air bag 544 are determined. The outlet valve pipes 546 are all arranged on the inner side of the ring shell 542. One group of outlet valve pipes 546 are arranged in an up-down distribution. Limited by the inner width of the ring shell 542, through this arrangement, the outlet valve pipes 546 can all communicate with the ring shell 542.
[0032] As Figures 6-13As shown, the side of the guide groove 516 close to the rotating shaft 33 is provided with an air groove 518, the right side of the shaft of the base shell 51 is provided with an expansion 513, the left side of the expansion 513 is provided with a ring groove 514, the expansion 513 and the air groove 518 are communicated with an air outlet 519, the inner side of the linkage block 535 is provided with an air inlet 536 penetrating the guide rod 532, the guide flow piece 55 is installed on the inner side of the expansion 513, the guide flow piece 55 includes a back ring 552 which is fitted with the left side inner wall of the expansion 513, the left side of the back ring 552 is fixedly connected with a rail ring 551 which is rotationally connected with the ring groove 514, the right side of the back ring 552 is fixedly connected with a taper sleeve 553 which is sleeved on the outer side of the rotating shaft 33, a plurality of guide vanes 554 are fixedly connected between the outer curved surface of the taper sleeve 553 and the right end surface of the back ring 552, the outer side of the guide flow piece 55 is sleeved with a guide sleeve 56 which is fixedly connected with the inner wall of the expansion 513, through this setting, the reciprocating inflation and deflation operation of the two side folding air bags 544 can continuously supply air to the ring shell 542, the gas in the ring shell 542 passes through the linkage block 535, the guide rod 532 and enters the air groove 518 through the air inlet 536, and then the gas in the air groove 518 is discharged through the air outlet 519, the airflow discharged from the air outlet 519 is sprayed to the guide vanes 554 and the taper sleeve 553 of the guide flow piece 55, and the airflow is sprayed to the drill bit 4 along the taper sleeve 553, the guide vanes 554 and the guide sleeve 56, and the guide vanes 554 are rotated with the taper sleeve 553, the back ring 552 and the rail ring 551, so that the sprayed airflow forms an airflow layer between the hole of the guide sleeve 56 and the gap between the rotating shaft 33, so that the dust and debris generated during drilling cannot enter the inside of the equipment; the air groove 518 and the rail groove 517 are aligned, the groove length of the air groove 518 is the same as the groove length of the rail groove 517, through this setting, the moving air inlet 536 can always communicate with the air groove 518, the air outlet 519 is arranged on the left side of the guide sleeve 56, through this setting, the guide sleeve 56 will not affect the air outlet of the air outlet 519, the air outlet 519 is arranged on the right side of the back ring 552, the air outlet 519 and the taper sleeve 553 are aligned, through this setting, the airflow discharged from the air outlet 519 will contact the taper sleeve 553 and the guide vanes 554, and a gap is arranged between the guide flow piece 55 and the guide sleeve 56, through this setting, the rotation of the guide flow piece 55 will not be affected by the guide sleeve 56.
[0033] Work flow: the stable and damping operation of the drill bit stabilizing device on the drill bit during percussion drilling is as follows: the drill bit is rotated by the rotation of the gear driven by the transmission shaft driven by the motor, and the drill bit is rotated by the rotation of the gear driven by the transmission shaft driven by the motor. The rotation of the gear will drive the rotation of the shaft 33 and then drive the rotation of the drill bit 4. After starting the percussion drill, the drill rod 42 of the drill bit 4 is in contact with the processing surface, and the processing surface is drilled. The drill bit 4 is displaced backward relative to the drill main body 3, and the rotating gear is displaced backward by the rotating shaft 33, and the displacement of the gear will drive the rotating second impact tooth to the fixed position of the first impact tooth. After contact, the first impact tooth will continuously extrude the rotating second impact tooth, so that the second impact tooth drives the gear, the rotating shaft 33 and the drill bit 4 to reciprocate, and the kinetic energy will drive the drill bit 4 to reciprocate on the processing surface to improve the drilling capacity of the drill rod 42. The above steps are used for drilling operation; the damping operation steps, the rotation of the drill bit 4 will drive the rotation of the limiting ring 43 in the sleeve ring 531 of the buffer guide 53, so that the rotation of the drill bit 4 will not drive the rotation of the buffer guide 53, and the displacement of the drill bit 4 will drive the displacement of the buffer guide 53. During the impact drilling process, the drill bit 4 drives the buffer guide 53 to reciprocate, and the displacement of the buffer guide 53 in the guide groove 516 cooperates with the bearing 52 to stably guide the transverse displacement of the rotating shaft 33, so that the displacement of the drill bit 4 remains stable to reduce vibration. With the displacement of the guide rod 532 in the liquid cavity 515, the through liquid ring 533 will extrude the buffer hydraulic oil in the liquid cavity 515, so that the buffer hydraulic oil will flow through the through liquid port to dampen the reciprocating drill bit 4, so that the drill bit 4 remains stable during displacement, further improving the stability of the drill bit 4 during displacement to reduce vibration. At the same time, the guide rod 532 will drive the ring shell 542 to reciprocate through the connecting block 535 during displacement, and the displacement of the ring shell 542 will repeatedly extrude one side of the folding air bag 544 and expand the other side of the folding air bag 544. The extruded folding air bag 544 will discharge the gas in its interior to the ring shell 542 through the corresponding air outlet valve pipe 546, and the expanded folding air bag 544 will be inflated through the corresponding air inlet valve pipe 545. The reciprocating inflation and deflation of the folding air bag 544 on both sides can buffer the high-frequency displacement of the drill bit 4 to reduce vibration, so that the drill bit stabilizing device can stabilize, buffer and dampen the drill bit during operation to reduce user fatigue and improve the comfort during operation. The above steps are used for damping operation.The dust prevention and debris removal operation is performed by the reciprocating inflation and deflation of the two side folding air bags 544 to continuously supply air to the ring shell 542, the air in the ring shell 542 passes through the connecting block 535, the guide rod 532, enters the air groove 518 through the air inlet 536, and then the air in the air groove 518 is discharged through the air outlet 519, the air flow discharged from the air outlet 519 is sprayed to the guide vane 554 and the cone sleeve 553 of the guide member 55, the air flow is sprayed to the drill bit 4 along the guide of the cone sleeve 553, the guide vane 554 and the guide sleeve 56, the guide vane 554 is driven to rotate the cone sleeve 553, the back ring 552 and the rail ring 551 by the air flow, an air flow layer is formed between the hole of the guide sleeve 56 and the gap of the rotating shaft 33 by the sprayed air flow, the dust and debris generated during the drilling process cannot enter the interior of the equipment, and the stability of the equipment during the drilling process is not affected.
[0034] The principles and embodiments of the present application are described by using specific examples in this paper, and the above examples are only used to help understand the method of the present application and its core idea. The above is only the preferred embodiment of the present application, it should be pointed out that due to the limitation of language expression, there are infinite specific structures, for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements, refinements or changes can be made, and the above technical features can be combined in an appropriate way; these improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.
Claims
1. A shock-reducing impact drill bit stabilizing device, comprising a handle (1), a press button (2), a drill body (3), a drill head (4) and a stabilizing module (5), characterized in that: A push button (2) is installed at the trigger of the handle (1). A drill body (3) is installed on the upper side of the handle (1). The drill body (3) includes a housing (31) fixed to the upper side of the handle (1). A drive impact part (32) is installed on the inner side of the housing (31). A rotating shaft (33) with its right end passing through the stabilizing module (5) is fixedly connected to the right side of the gear of the drive impact part (32). A drill head (4) is installed on the right end of the rotating shaft (33). The drill head (4) includes a part that is connected to the rotating shaft (32). 3) A fixedly connected chuck (41) has a drill rod (42) installed in the right jaw of the chuck (41) and a limit ring (43) fixedly connected to the left side of the chuck (41). The stabilizing module (5) is located between the drill body (3) and the drill head (4). The stabilizing module (5) includes a base shell (51), a bearing (52), a buffer guide frame (53), a gas buffer part (54), a flow guide (55) and a flow guide sleeve (56). A side handle (6) is fixedly connected to the rear side of the base shell (51). The base shell (51) includes a housing (511) fixed to the right side of the outer shell (31). A mounting position (512) is provided on the outer side of the shaft of the housing (511) outside the rotating shaft (33). A bearing (52) sleeved on the outer side of the rotating shaft (33) is fixedly connected to the inner side of the mounting position (512). A liquid cavity (515) is provided on the inner side of the housing (511) outside the mounting position (512). A set of three through-hole guide grooves (516) is provided on the right side of the liquid cavity (515). The guide groove (516) is provided with a track groove (517) on the side away from the installation position (512). The buffer guide frame (53) includes a guide rod (532) that is slidably connected to the guide groove (516). The right end of a set of guide rods (532) is fixedly connected to a collar (531) that is rotatably connected to the limiting rotating ring (43). The left end of a set of guide rods (532) is fixedly connected to a liquid-passing ring (533) located inside the liquid cavity (515). The left and right sides of the liquid-passing ring (533) are fixedly connected to elastic rings (534). 4) The inner side of the rail groove (517) is slidably connected with a connecting block (535) that is fixedly connected to the guide rod (532). The gas buffer part (54) includes a set of two fixing rings (541) on both sides of the rail groove (517). The fixing rings (541) are fixedly connected to the outer curved surface of the housing (511). A ring shell (542) is provided between the outer end faces of the set of fixing rings (541) and sleeved on the outside of the housing (511). A set of three insertion holes is provided on the inner curved surface of the ring shell (542). The protruding end of the connecting block (535) is located inside the socket (543). A folded airbag (544) is fixedly connected between the outer end face of the ring shell (542) and the two side fixing rings (541). An air inlet valve pipe (545) passing through the fixing ring (541) is connected to the side of the folded airbag (544) away from the ring shell (542). An air outlet valve pipe (546) connected to the ring shell (542) is connected to the side of the folded airbag (544) away from the fixing ring (541). Air grooves (518) are provided on the side of the guide groove (516) near the rotating shaft (33). A flared opening (513) is provided on the right side of the shaft channel of the base shell (51), and an annular groove (514) is provided on the left side of the flared opening (513). An air outlet (519) is connected between the flared opening (513) and the air groove (518). An air inlet (536) is provided on the inner side of the linkage block (535) to pass through the guide rod (532). The flow guide (55) is installed on the inner side of the flared opening (513). The flow guide (55) includes A back ring (552) is fitted to the left inner wall of the flared opening (513). The left side of the back ring (552) is fixedly connected to a rail ring (551) that is rotatably connected to the ring groove (514). The right side of the back ring (552) is fixedly connected to a tapered sleeve (553) that is sleeved on the outside of the rotating shaft (33). A set of multiple guide vanes (554) are fixedly connected between the outer curved surface of the tapered sleeve (553) and the right end face of the back ring (552). The outer side of the guide member (55) is fitted with a guide sleeve (56) that is fixedly connected to the inner wall of the flared opening (513).
2. The impact drill bit stabilization device for reducing vibration according to claim 1, characterized in that: The driving impact unit (32) consists of a motor, a transmission gear shaft, a frame plate, a first impact gear on the right side of the frame plate, a gear meshing with the transmission gear shaft, a second impact gear on the left side of the gear, and a return spring. The return spring of the driving impact unit (32) is located between the frame plate and the gear. The handle (1) has a built-in battery pack. The battery pack of the handle (1) is electrically connected to the motor of the driving impact unit (32). The pressing button (2) is electrically connected to the motor of the driving impact unit (32).
3. The impact drill bit stabilization device for reducing vibration according to claim 1, characterized in that: The outer ring of the bearing (52) is fixedly connected to the inner wall of the mounting position (512). The inner wall of the inner ring of the bearing (52) is in contact with the outer curved surface of the rotating shaft (33). The outer curved surface of the guide rod (532) is in contact with the inner wall of the guide groove (516). The inner and outer curved surfaces of the liquid-conducting ring (533) are in contact with the inner wall of the liquid cavity (515). A set of multiple liquid-conducting ports arranged at equal angles are provided on the inner side of the liquid-conducting ring (533).
4. The impact drill bit stabilization device for reducing vibration according to claim 1, characterized in that: The folding airbag (544) and the ring shell (542) are both sleeved on the outside of the rail groove (517). The air inlet valve pipe (545) and the air outlet valve pipe (546) are both composed of a pipe body and a one-way valve. The air outlet valve pipe (546) is set on the inside of the ring shell (542). A set of the air outlet valve pipes (546) are arranged vertically.
5. The impact drill bit stabilization device for reducing vibration according to claim 1, characterized in that: The air groove (518) and the rail groove (517) are aligned. The length of the air groove (518) is the same as that of the rail groove (517). The air outlet (519) is located on the left side of the guide sleeve (56) and on the right side of the back ring (552). The air outlet (519) and the cone sleeve (553) are aligned. There is a gap between the guide member (55) and the guide sleeve (56).
Citation Information
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