CN117297719A - Planing handle capable of adjusting working direction of cutter head - Google Patents
Planing handle capable of adjusting working direction of cutter head Download PDFInfo
- Publication number
- CN117297719A CN117297719A CN202311137021.3A CN202311137021A CN117297719A CN 117297719 A CN117297719 A CN 117297719A CN 202311137021 A CN202311137021 A CN 202311137021A CN 117297719 A CN117297719 A CN 117297719A
- Authority
- CN
- China
- Prior art keywords
- planing
- bevel gear
- assembly
- working direction
- knob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 230000020347 spindle assembly Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
- A61B2017/320008—Scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a planing handle capable of adjusting the working direction of a cutter head, and relates to the technical field of medical appliances, comprising a chuck assembly, an adjusting assembly, a main shaft assembly and a motor; the chuck assembly is used for connecting and fixing the planing tool, and a first bevel gear is arranged on the outer surface of the chuck assembly along the circumferential direction; the main shaft assembly comprises an output shaft, the front end of the output shaft extends into the chuck assembly and is connected with the planing tool, and the rear end of the output shaft is connected with the motor; the adjusting component comprises a knob, a fixing piece, a push rod, a shifting piece and a second bevel gear, wherein the knob is fixedly connected with the second bevel gear through the fixing piece, the second bevel gear is meshed with the first bevel gear, the push rod is arranged between the second bevel gear and the shifting piece, the push rod is controlled to lock or unlock the knob through shifting the shifting piece, and when the knob is in an unlocking state, the working direction of the planer tool is adjusted through rotating the knob. The structure is simpler, and the position of adjusting is closer to the position of the hand grip, so that the adjustment can be realized by using smaller force by a single hand, and the adjustment mode is more convenient.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a planing handle capable of adjusting the working direction of a cutter head.
Background
Currently, in the otorhinolaryngological, orthopedics and other surgical operations, a planing tool has been used as a widely used instrument for planing and cutting focal tissues. In operation, the planing tool is inserted into the planing handle to form a planing machine, and the planing handle is used for providing power for the planing tool to cut off focus tissues. In particular, the planing tool is connected and fixed to the planing handle by a planing socket (or planing collet).
In the actual operation, because of the complex shape of the focal tissue and the narrow and complex cavity of the part such as ear, nose and throat, spine, etc., it is often necessary to adjust the working direction of the planer head so that it can cut the focal tissue from multiple angles to cut the focal tissue cleanly. The existing planing tool needs to integrally rotate the planing machine when adjusting the working direction, and because the rear end of the planing machine is connected with a cable and a suction tube, and some planing machines are also connected with a flushing tube on the planing chuck, the overall rotation of the planing machine is very inconvenient, and the operation efficiency is affected. In view of this, some planing machines are provided with an adjusting device on a planing plug device, for example, the invention patent with application number 202210298688.0 discloses a planing plug device and a planing handle with adjustable circumferential angle, the planing plug device comprises a rotary drum, a connecting drum and a positioning drum, when a planing tool works, the rotary drum locks the connecting drum and the positioning drum, so that the angle of the planing tool is fixed, when the circumferential angle of the planing tool needs to be adjusted, the rotary drum needs to be pushed forwards or backwards to slide axially until the rotary drum reaches a preset position, the rotary drum is screwed, the positioning drum can be driven to rotate relative to the connecting drum, the circumferential angle of the planing tool is adjusted, and after the adjustment is completed, the rotary drum is reset, so that the locking of the positioning drum and the connecting drum can be realized, and the circumferential angle of the planing tool can be adjusted under the condition that the planing handle does not rotate. But the device structure is more complicated to be difficult to single hand operation, the adjustment process is not convenient enough, wastes time and energy in the operation process.
Disclosure of Invention
The invention aims to provide a planing handle capable of adjusting the working direction of a cutter head so as to solve the technical problem that the working direction of a planing tool is inconvenient to adjust.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the planing handle of the scheme comprises a chuck assembly, a main shaft assembly, a motor, an adjusting assembly, a shell, a instillation joint, a suction joint, a wire protecting sleeve and the like.
The chuck assembly is used for inserting the planing tool, and the chuck assembly of the scheme is provided with a first bevel gear along the circumferential direction, and the first bevel gear is meshed with a second bevel gear of the adjusting assembly.
The spindle assembly includes an output shaft, a portion of which extends into the collet assembly. The planing tool is connected with the front end of the output shaft after being inserted into the chuck assembly, the rear end of the output shaft is connected with the suction connector, and the inside of the output shaft is hollow to form a suction channel. During operation, the external suction device sucks the waste liquid generated by the operation and the cut tissues through the suction joint through the suction channel, so that the operation position is always kept clearly visible.
The motor drives the output shaft to rotate through a gear set between the motor and the output shaft, and the output shaft drives the planing tool connected with the output shaft to rotate so as to plane focus tissues.
The shell wraps the part of chuck component, the main shaft component, the motor and the part of adjusting component, the instillation joint and the suction joint extend out of the rear end of the shell, and the cable also extends out of the rear end of the shell after being connected with the motor and is wrapped by the wire protecting sleeve. A water injection channel for inflow of normal saline is arranged in the side wall of the shell, the rear end of the channel is connected with the instilling joint, the front end of the channel is connected with a water inlet hole of the planing tool, the normal saline flows into the planing tool through the water injection channel, and then flows out of the planing tool head through an interlayer between the outer cutter bar and the inner cutter bar, so that the operation part is washed.
The adjusting component comprises a knob, a second bevel gear, a first spring, a second spring, ceramic beads, a push rod, a poking piece, a locking panel, a fixing piece and a bushing. The knob is fixed with the second bevel gear through a fixing piece, the bushing is sleeved on the outer surface of the rod part of the second bevel gear, the knob is shifted to enable the bevel gear to rotate, and the first bevel gear meshed with the second bevel gear and arranged along the circumferential direction of the chuck assembly is driven to rotate, so that the working direction of the planing tool is adjusted; the push rod is abutted with the poking piece, an upwardly protruding abutting part is arranged on the upper surface close to the front end of the push rod, and the first spring is arranged between the bushing and the abutting part to play a reset role; one side of the poking piece, which is close to the push rod, is provided with a trapezoid concave part, the upper surface of the poking piece is provided with a poking piece protruding part protruding upwards from the surface, the other opposite side of the poking piece is provided with two semicircular concave parts at a certain interval, and the ceramic beads are movably embedded in one of the circular concave parts; the lower surface of the locking panel is provided with a plurality of grooves, the second spring is arranged in one groove of the locking panel, one end of the second spring is propped against the ceramic beads, and the other end of the second spring is propped against the groove wall of the groove; the second bevel gear, the push rod, the shifting piece and the first spring are all embedded into other grooves of the locking panel, wherein the middle part of the groove for accommodating the shifting piece upwards penetrates through the locking panel, the shifting piece protruding part is pulled out of the groove, and the position of the push rod, which is abutted against the shifting piece, can be changed, so that the knob is locked or unlocked, wherein the knob is in a normally locked state, and when the push rod is abutted against the trapezoidal concave part, the knob is in an unlocked state, and at the moment, the knob can be rotated to adjust the working direction of the tool bit; when the push rod is abutted with the area except the trapezoid concave part, the locking state is realized, and at the moment, the planer tool is fixed and the focus tissue is planed in the target working direction.
Before operation, inserting the planing tool into the chuck assembly at any angle, and if the working direction or bending direction of the planing tool is not consistent with the expected direction, adjusting the planing tool to be consistent with the expected direction through the adjusting assembly; in the operation process, in order to cut focus tissues clean, the working direction of the planing tool bit is also required to be changed frequently, and at the moment, the planing tool bit can be adjusted through the adjusting component, so that the planing handle provided by the scheme is used for operation, no special alignment is needed when the planing tool is inserted, misplug and reinsertion caused by misplacement can be avoided, the operation time is saved, various pipeline winding problems caused by rotating the whole planing tool bit in the operation process can be avoided, and the operation time is further saved. In addition, the adjusting component is arranged at the position of the handle instead of the planing chuck, so that clamping connection between the planing tool and the planing chuck is not affected, and the planing tool and the planing chuck can be clamped all the time; and the adjustment is realized by adopting a 'plectrum + knob' mode, the structure is simpler, the adjustment position is closer to the position of the hand grip, therefore, the adjustment can be realized by using smaller force by a single hand, and the adjustment mode is more convenient.
The invention has the following beneficial effects:
1. the adjusting component adopts a 'plectrum+knob' mode to realize adjustment, and the position of the push rod abutting against the plectrum can be changed by poking the plectrum protruding part, so that the knob is locked or unlocked, and the rotary knob drives the first bevel gear to rotate through the second bevel gear, so that the angle of the planing tool is adjusted. According to the planing handle provided by the scheme, when the planing tool is inserted, no special alignment is needed, the misplug and reinsertion caused by the misalignment can be avoided, the operation time is saved, various pipeline winding problems caused by rotating the whole planing tool can be avoided when the working direction of the planing tool is adjusted in the operation process, the operation time is further saved, and the structure is simpler.
2. The adjusting component is arranged at the position of the handle instead of the planing chuck, so that clamping connection between the planing tool and the planing chuck is not affected, and the planing tool and the planing chuck can be clamped all the time; the adjusting position is closer to the handshake position, so that the adjustment can be realized by using smaller force by one hand, and the adjusting mode is more convenient.
3. The liquid supply channel is arranged in the side wall of the shell, compared with the scheme in the prior art that the water inlet pipe is arranged on the planing clamp, on one hand, the operation of a doctor in the operation process is more convenient, on the other hand, the motor works to generate heat and fill the cavity formed by the whole shell, if the heat is too high, the discomfort of the hands of the doctor can be caused, the performance of the motor can be influenced, and part of heat in the cavity can be taken away when physiological saline passes through the handle, so that the temperature of the handle is not too high.
Drawings
FIG. 1 is a perspective view of a planing handle;
FIG. 2 (a) is a half-to-half cross-sectional view of a planing handle;
FIG. 2 (b) is a cross-sectional view of the planing handle along the side wall of the housing;
FIG. 3 is a perspective view of the planing handle with the outer shell removed;
FIG. 4 (a) is a schematic diagram of an unlocked state;
FIG. 4 (b) is a schematic diagram of the locked state;
FIG. 5 (a) is a bottom view of the locking panel;
FIG. 5 (b) is a bottom view of the adjustment assembly;
FIG. 5 (c) is a top view of the locking panel;
fig. 5 (d) is a top view of the adjustment assembly.
The method comprises the following steps: 1. a collet assembly; 2. an adjustment assembly; 3. a housing; 4. a spindle assembly; 5. a motor; 6. a suction joint; 7. a drip joint; 8. a wire protecting sleeve; 9. a planing tool; 11. a first bevel gear; 21. a knob; 22. a fixing member; 221. a bushing; 23. a push rod; 24. a pulling piece; 25. a second bevel gear; 26. a locking panel; 27. ceramic beads; 28. a first spring; 29. a second spring; 261. a groove; 2611. a groove wall; 263. a through groove; 262. a plectrum groove; 241. a plectrum protruding part; 242. a semicircular concave portion; 243. a trapezoidal recess; 231. an abutting portion; 41. an output shaft; 42. a suction passage; 43. a gear set; 51. and (5) a cable line.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and "first", "second", etc. do not indicate the importance of the components, and thus are not to be construed as limiting the present invention. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
As shown in fig. 1-5, the planing handle of the present embodiment comprises a chuck assembly 1, an adjusting assembly 2, a motor 5, a spindle assembly 4, a housing 3, a suction connector 6, a drip connector 7, a wire sheath 8, and the like. The chuck assembly 1 is used for connecting and fixing a planing tool 9, and a first bevel gear 11 is arranged on the outer surface of the chuck assembly 1 along the circumferential direction; the collet assembly 1 rotates in synchronization with the first bevel gear 11, the first bevel gear 11 intermeshes with the second bevel gear 25 of the adjustment assembly 2.
The main shaft assembly 4 comprises an output shaft 41, the front end of the output shaft 41 extends into the chuck assembly 1 and is connected with the planing tool 9, and the rear end of the output shaft 41 is connected with the motor 5; the output shaft 41 and the planer tool 9 are hollow, and a suction passage 42 is formed, and the suction passage 42 communicates with the suction joint 6. During operation, the external suction device sucks the waste liquid generated by the operation and the cut tissues away through the suction joint 6, so that the operation position is always kept clearly visible.
The rear end of the output shaft 41 is connected with the motor 5 through a gear set 43; the gear set 43 comprises two gears meshed with each other, one gear rotates coaxially with the motor 5, the other gear is sleeved at the rear end of the output shaft 41, the motor 5 drives the output shaft 41 to rotate through the gear set 43, and the output shaft 41 drives the planing tool 9 connected with the output shaft to rotate so as to plane focus tissues.
The shell 3 wraps part of the chuck assembly 1, the spindle assembly 4, the motor 5 and part of the adjusting assembly 2, the instillation joint 7 and the suction joint 6 extend out of the rear end of the shell 3, and the cable 51 also extends out of the rear end of the shell 3 after being connected with the motor 5 and is protected in the wire protecting sleeve 8. Specifically, the cable 51 is led out from the front end of the motor 5, and passes out from the rear end through a wire passage on the side wall of the housing 3. A water injection channel 31 for the inflow of normal saline is arranged in the side wall of the shell 3, the rear end of the channel is connected with the instilling joint 7, the front end of the channel is connected with a water inlet hole of the planing tool 9, the normal saline flows into the planing tool 9 through the water injection channel 31, and then flows out of the planing tool head through an interlayer between the outer cutter bar and the inner cutter bar, so that the operation part is washed. The structure of the planing tool 9 generally comprises an inner cutter bar, an outer cutter bar sleeved outside the inner cutter bar and a cutter handle, wherein water inlets are formed in the cutter handle and the outer cutter bar, and gaps exist between the inner cutter bar and the outer cutter bar, so that physiological saline can flow to the cutter head conveniently. The construction of the planing tool is prior art and will not be described in any great detail herein.
The adjustment assembly 2 comprises a knob 21, a fixture 22, a bushing 221, a push rod 23, a dial 24, a second bevel gear 25, a locking panel 26, ceramic beads 27, a first spring 28 and a second spring 29.
The knob 21 and the second bevel gear 25 are fixed through a fixing piece 22, the fixing piece 22 can be a screw, a bushing 221 is sleeved on the outer surface of the rod part of the second bevel gear 25, and pulling the knob 21 can rotate the second bevel gear 25 to drive the first bevel gear 11 meshed with the second bevel gear 25 to rotate, so that the working direction of the planing tool 9 is adjusted; the push rod 23 is abutted with the poking piece 24, an abutting part 231 protruding upwards is arranged on the upper surface close to the front end of the push rod 23, a first spring 28 is arranged between the bushing 221 and the abutting part 231, and the first spring 28 has a reset function for the trend of the push rod 23 to the right; a trapezoidal concave portion 243 is formed on one side of the poking plate 24, which is abutted against the push rod 23, a poking plate protruding portion 241 is arranged on the upper surface of the poking plate 24, a semicircular concave portion 242 is formed on one side of the poking plate 24, which is opposite to the trapezoidal concave portion 243, and the ceramic beads 27 are movably embedded in the semicircular concave portion 242; the locking panel 26 is provided at a lower surface thereof with a plurality of grooves 261, and the shapes of the grooves 261 are adapted to the shapes of the fixing member 22, the bush 221, the push rod 23, the dial 24 and the second bevel gear 25, and serve to accommodate these components. The second spring 29 is disposed in one of the grooves 261 of the locking panel 26, one end of the second spring abuts against the ceramic bead 27, and the other end abuts against the groove wall 2611 of the groove 261, so as to apply a transverse force to the pulling piece 24 and prevent the pulling piece from easily moving up and down; the second bevel gear 25, the push rod 23, the pulling piece 24 and the first spring 28 are all embedded in the other grooves 261 of the locking panel 26, wherein the middle part of the pulling piece groove 262 for accommodating the pulling piece 24 penetrates the locking panel 26 upwards to form a through groove 263, the pulling piece protruding part 241 protrudes from the through groove 263 and can slide in the area limited by the through groove 263, the length of the pulling piece groove 262 is larger than that of the pulling piece 24, and the pulling piece 24 can move up and down in the pulling piece groove 262. By pulling the paddle projection 241, the push rod 23 can be changed to be in contact with the paddle 24, thereby locking or unlocking the knob 21, and when the knob 21 is in the unlocked state, the working direction of the planer tool 9 can be adjusted by rotating the knob 21.
The working principle of the invention is as follows: when the tab protruding portion 241 is shifted to make the push rod 23 correspond to the trapezoidal recess portion 243 of the tab 24, the push rod 23 is driven by the first spring 28 to move rightward, one end of the push rod 23 abuts against the trapezoidal recess portion 243, the other end of the push rod 23 is released from engagement with the bushing 221, and in an unlocked state, at this time, the knob 21 is rotated to adjust the working direction of the planer tool 9. When the paddle protrusion 241 is pushed to bring the push rod 23 into contact with the region of the paddle 24 excluding the trapezoidal recess 243, the push rod 23 is pushed to move leftward by the paddle 24, one end of the push rod 23 engages with the bushing 221 to lock the same, and the knob 21 cannot be rotated, at this time, the planer tool 9 is fixed and the focal tissue is shaved in the target working direction.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the equivalent changes belong to the protection scope of the present invention.
Claims (10)
1. The planing handle capable of adjusting the working direction of the cutter head is characterized by comprising a chuck assembly (1), an adjusting assembly (2), a main shaft assembly (4) and a motor (5);
the chuck assembly (1) is used for connecting and fixing a planing tool (9), and a first bevel gear (11) is arranged on the outer surface of the chuck assembly (1) along the circumferential direction;
the main shaft assembly (4) comprises an output shaft (41), the front end of the output shaft (41) stretches into the chuck assembly (1) and is connected with the planing tool (9), and the rear end of the output shaft (41) is connected with the motor (5);
the adjusting component (2) comprises a knob (21), a fixing piece (22), a push rod (23), a poking piece (24) and a second bevel gear (25), wherein the knob (21) is fixedly connected with the second bevel gear (25) through the fixing piece (22), the second bevel gear (25) is meshed with the first bevel gear (11), the push rod (23) is arranged between the second bevel gear (25) and the poking piece (24), the push rod (23) is controlled to lock or unlock the knob (21) through poking the poking piece (24), and in addition, when the knob (21) is in an unlocking state, the working direction of the planer tool (9) is adjusted through rotating the knob (21).
2. The planing handle with the adjustable tool bit working direction according to claim 1, wherein the adjusting assembly (2) further comprises a locking panel (26), a plurality of grooves are formed in the bottom of the locking panel (26), the fixing piece (22), the push rod (23), the poking piece (24) and the second bevel gear (25) are all arranged in the corresponding grooves, the groove for accommodating the poking piece (24) is provided with a through groove (263) upwards, the top of the poking piece (24) is provided with a poking piece protruding portion (241), and the poking piece protruding portion (241) penetrates through the through groove (263).
3. The planing handle with adjustable working direction of the tool bit according to claim 2, wherein the adjusting assembly (2) further comprises a first spring (28), an upward protruding abutment portion (231) is provided on the upper surface near the front end of the push rod (23), and the first spring (28) is disposed between the lever portion of the second bevel gear (25) and the abutment portion (231).
4. A planing handle with adjustable working direction of a tool bit according to claim 3, wherein the adjusting assembly (2) further comprises a bushing (221), the bushing (221) is sleeved on the outer surface of the shaft portion of the second bevel gear (25), and the first spring (28) is arranged between the bushing (221) and the abutting portion (231).
5. A planing handle with adjustable working direction of a cutter head according to claim 3, wherein the adjusting assembly (2) further comprises a second spring (29) and a ceramic bead (27), a trapezoid concave part (243) is formed on one side of the poking piece (24) abutted with the push rod (23), a semicircular concave part (242) is formed on one side of the poking piece (24) opposite to the trapezoid concave part (243), the second spring (29) and the ceramic bead (27) are arranged in corresponding grooves (261) on the locking panel (26), one end of the second spring (29) is abutted with the ceramic bead (27), the other end is abutted with the groove wall (2611), and the ceramic bead (27) is movably embedded in the semicircular concave part (242).
6. The planing handle with adjustable working direction of a cutter head according to claim 5, wherein the two semicircular concave parts (242) are arranged on one side of the poking piece (24) opposite to the trapezoid concave parts (243), the center of one semicircular concave part (242) is opposite to the center of the trapezoid concave part (243), and the ceramic beads (27) are movably embedded in one semicircular concave part (242).
7. The planing handle with adjustable working direction of the tool bit according to claim 1, further comprising a housing (3) and a instillation connector (7), wherein the housing (3) encloses a part of the cartridge assembly (1), the spindle assembly (4), the motor (5) and a part of the adjustment assembly (2);
a water injection channel (31) is arranged on the inner side wall of the shell (3), one end of the water injection channel (31) is connected with a water inlet of the planing tool (9), and the other end is connected with the instillation joint (7).
8. A planing handle with adjustable working direction of a cutter head according to claim 1, characterized in that the rear end of the output shaft (41) is connected with the motor (5) through a gear set (43);
the gear set (43) comprises two gears meshed with each other, one gear rotates coaxially with the motor (5), the other gear is sleeved at the rear end of the output shaft (41), and the motor (5) drives the output shaft (41) to rotate through the gear set (43).
9. The planing handle with the adjustable working direction of the cutter head according to claim 1, further comprising a suction connector (6), wherein the inside of the output shaft (41) and the inside of the planing tool (9) are hollow to form a suction channel (42), and the suction connector (6) is communicated with the suction channel (42).
10. The planing handle with the adjustable working direction of the cutter head according to claim 1, further comprising a cable wire (51) and a wire protection sleeve (8), wherein the part of the cable wire (51) penetrating out of the shell (3) after being connected with the motor (5) is wrapped in the wire protection sleeve (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311137021.3A CN117297719B (en) | 2023-09-05 | 2023-09-05 | Planing handle capable of adjusting working direction of cutter head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311137021.3A CN117297719B (en) | 2023-09-05 | 2023-09-05 | Planing handle capable of adjusting working direction of cutter head |
Publications (2)
Publication Number | Publication Date |
---|---|
CN117297719A true CN117297719A (en) | 2023-12-29 |
CN117297719B CN117297719B (en) | 2024-04-02 |
Family
ID=89236247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311137021.3A Active CN117297719B (en) | 2023-09-05 | 2023-09-05 | Planing handle capable of adjusting working direction of cutter head |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117297719B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0126285A1 (en) * | 1983-05-24 | 1984-11-28 | Eugen Lutz + Co. | Portable power planer |
CN111035418A (en) * | 2019-12-31 | 2020-04-21 | 重庆西山科技股份有限公司 | Visual direction-changing operation power device |
CN113384324A (en) * | 2021-06-30 | 2021-09-14 | 宁波华科润生物科技有限公司 | Deflectable planing tool bit |
CN115530931A (en) * | 2022-11-29 | 2022-12-30 | 成都美创医疗科技股份有限公司 | Outer cutter assembly and planer tool with adjustable outer cutter windowing angle |
-
2023
- 2023-09-05 CN CN202311137021.3A patent/CN117297719B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0126285A1 (en) * | 1983-05-24 | 1984-11-28 | Eugen Lutz + Co. | Portable power planer |
CN111035418A (en) * | 2019-12-31 | 2020-04-21 | 重庆西山科技股份有限公司 | Visual direction-changing operation power device |
CN113384324A (en) * | 2021-06-30 | 2021-09-14 | 宁波华科润生物科技有限公司 | Deflectable planing tool bit |
CN115530931A (en) * | 2022-11-29 | 2022-12-30 | 成都美创医疗科技股份有限公司 | Outer cutter assembly and planer tool with adjustable outer cutter windowing angle |
Also Published As
Publication number | Publication date |
---|---|
CN117297719B (en) | 2024-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4142250B2 (en) | Rotary atherectomy device with improved interchangeable drive shaft cartridge | |
US5697158A (en) | Orthopedic surgical device having a rotatable portion and lock | |
US3752241A (en) | Pneumatic tool | |
US7153133B1 (en) | Disposable prophy angle for an electric tooth polisher | |
US20060005401A1 (en) | Power tool | |
CN103394754B (en) | Cutting machine | |
PT1435273E (en) | Clamp arrangement for receiving a saw blade in multiple orientations | |
CN117297719B (en) | Planing handle capable of adjusting working direction of cutter head | |
EP0673723A1 (en) | Drill configuration | |
JP5111433B2 (en) | Chip tip member, medical laser irradiation chip, medical laser handpiece, and medical laser device | |
US20210129311A1 (en) | Universal Chisel Attachment | |
JP2009028512A (en) | Dental handpiece | |
CN100455269C (en) | Multi-core flexible-shaft drill for plastic surgery | |
CN115530931A (en) | Outer cutter assembly and planer tool with adjustable outer cutter windowing angle | |
KR100446445B1 (en) | Medical air-dril of drive control and the machine. | |
CN115252065A (en) | Planing cutter for planing system | |
CN115302347A (en) | Deburring device for machining inner hole of shaft workpiece | |
CN212239343U (en) | Side locking type side milling head | |
CN217548150U (en) | Medical instrument and tool bit adjusting mechanism thereof | |
PT1625921E (en) | Portable pocket cutter | |
CN217310462U (en) | Skull milling cutter with coolant spray pipe | |
CN219522599U (en) | Portable wall ground wire groove grooving machine | |
KR20210017095A (en) | Manual Handpiece for manufacturing pressurized ceramic tooth | |
CN215821067U (en) | Surgical instrument | |
CN217548151U (en) | Medical instrument and knife tube adjusting mechanism thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |