CN115153737A - Medical electric right-angle screwdriver - Google Patents
Medical electric right-angle screwdriver Download PDFInfo
- Publication number
- CN115153737A CN115153737A CN202210699289.5A CN202210699289A CN115153737A CN 115153737 A CN115153737 A CN 115153737A CN 202210699289 A CN202210699289 A CN 202210699289A CN 115153737 A CN115153737 A CN 115153737A
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- China
- Prior art keywords
- rotating rod
- outer shell
- bull stick
- main
- auxiliary rotating
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 244000309464 bull Species 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims description 61
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001847 jaw Anatomy 0.000 description 1
- 210000004373 mandible Anatomy 0.000 description 1
- 210000002050 maxilla Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1622—Drill handpieces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1631—Special drive shafts, e.g. flexible shafts
Abstract
The invention discloses a medical electric right-angle screwdriver which comprises an outer shell, wherein a warning lamp is arranged at the upper right part of the outer shell, a water delivery pipe is connected to the right end of the outer shell, and a drill bit is rotatably connected to the lower left end of the outer shell; the servo motor is arranged on the inner side of the outer shell, the output end of the servo motor is connected with a rotating shaft, and the rotating shaft is rotatably connected with the outer shell; further comprising: the miniature pump is installed at the right end of the inner side of the outer shell, and a water inlet of the miniature pump is connected with the water delivery pipe. This medical electronic right angle screwdriver is provided with main bull stick, vice bull stick and cooling tube, and whole device is the right angle and distributes, and convenient to use person grips and has sufficient observation operating space to utilize electric drive's mode to reduce manually operation's intensity, through drive cold water stream at the cooling water route mesocycle flow that main bull stick, vice bull stick and cooling tube constitute, can realize electronic right angle screwdriver's water-cooling.
Description
Technical Field
The invention relates to the technical field of medical electric right-angle screwdrivers, in particular to a medical electric right-angle screwdriver.
Background
At present, in the operation of strong internal fixation for facial fracture reduction, a hand machine of a clinical oral and maxillofacial surgery power system is used for drilling a hole by a straight machine head, a screw is screwed into a screw hole by a straight-handle screwdriver, and an assistant is required to inject water to the drilled hole for cooling when the machine head is drilled.
However, when the drill bit and the screwdriver with the straight shank are operated in the deep tissue, the drill bit and the screwdriver are difficult to reach a preset position and are vertical to the bone surface, and the narrow operation space is not favorable for synchronous water spraying and cooling.
Therefore, we have proposed a medical electric right-angle screwdriver in order to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a medical electric right-angle screwdriver, which solves the problems that a drill bit and a screwdriver with a straight shank in the market are difficult to reach a preset position when the drill bit and the screwdriver are operated at the deep part of tissues, are vertical to the bone surface and are not beneficial to synchronously spraying water and cooling in a narrow operation space, wherein the problems are brought forward by the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a medical electric right-angle screwdriver comprises an outer shell, wherein a warning lamp is mounted at the upper right of the outer shell, a water delivery pipe is connected to the right end of the outer shell, and a drill bit is rotatably connected to the lower left end of the outer shell;
the servo motor is arranged on the inner side of the outer shell, the output end of the servo motor is connected with a rotating shaft, and the rotating shaft is rotatably connected with the outer shell;
further comprising:
the miniature water pump is installed at the right end of the inner side of the outer shell, a water inlet of the miniature water pump is connected with the water conveying pipe, and a water outlet of the miniature water pump is connected with a fixed seat;
the main rotating rod is rotatably connected inside the fixed seat, the outer side of the left end of the main rotating rod is connected with vertical bevel teeth, the left end of the main rotating rod is rotatably connected with a connecting pipe, and the connecting pipe is installed on the inner side of the outer shell;
the horizontal bevel gear is meshed and connected below the vertical bevel gear, the inner side key of the horizontal bevel gear is connected with an auxiliary rotating rod, and the auxiliary rotating rod is in rotating connection with the outer shell;
the connecting seat is installed on the inner side of the left side of the outer shell, the inner side of the left side of the outer shell is connected with the damping seat, the damping seat is arranged below the connecting seat, and the auxiliary rotating rods penetrate through the inner sides of the connecting seat and the damping seat;
the through hole is formed in the outer portion of one end, arranged on the inner side of the connecting seat, of the auxiliary rotating rod, the auxiliary rotating rod is rotatably connected with the connecting seat, a cooling pipe is communicated with the upper left of the through hole, and the right end of the cooling pipe is connected with a water drainage pipe;
the upper damping groove is formed in the inner side of the damping seat, a lower damping groove is formed in the inner side of the damping seat, and the lower damping groove is formed below the upper damping groove;
the main gear is connected to the outer side of the lower end of the auxiliary rotating rod in a key mode, the outer side of the main gear is connected with an auxiliary gear in a meshed mode, and the auxiliary gear is connected to the outer side of the drill in a key mode;
a pressure sensor installed inside the upper damping groove and the lower damping groove;
the key-type is in the outside of pivot, just the below meshing of driving gear is connected with driven gear, and driven gear key-type is in the outside of main bull stick.
Preferably, the auxiliary rotating rod further comprises an upper mounting frame and a lower mounting frame:
the upper mounting frame is connected to the outer wall below the auxiliary rotating rod in a sliding mode, is elastically connected with the auxiliary rotating rod through an upper spring, and is rotatably connected with an upper roller at the end, far away from the auxiliary rotating rod, of the upper mounting frame;
the lower mounting frame is connected to the outer wall below the auxiliary rotating rod in a sliding mode, arranged below the upper mounting frame and elastically connected with the auxiliary rotating rod through a lower spring;
the end part of the lower mounting frame, which is far away from the auxiliary rotating rod, is rotatably connected with a lower roller.
Preferably, the inside of main bull stick is hollow column structure, and inside intercommunication main bull stick with the fixing base rotates and is connected, and this design can realize that main bull stick rotates the time, and rivers flow smoothly in main bull stick.
Preferably, the inside of vice bull stick is cavity column structure, just vice bull stick with be the arc structure through main the face of looking between the main bull stick the connecting pipe communicates each other, and vice bull stick with main bull stick all with the connecting pipe rotates to be connected, and this design accessible connecting pipe realizes the transport of rivers between main bull stick and vice bull stick to guarantee the smooth rotation of main bull stick and vice bull stick.
Preferably, the cooling pipe is helical structure, and the cooling pipe distributes in the outside of main bull stick with vice bull stick, this design can utilize the cold water to carry out the water-cooling to the screwdriver in the flow of main bull stick, vice bull stick and cooling pipe.
Preferably, the depth of the upper damping groove is gradually reduced in a counterclockwise direction, and the inner side of the upper damping groove is of a rough structure, so that the rotary resistance of the auxiliary rotating rod can be increased by using the upper damping groove.
Preferably, the depth of the lower damping groove is gradually increased in a counterclockwise direction, and the inner side of the lower damping groove is of a rough structure, so that the rotary resistance of the auxiliary rotating rod can be increased by using the lower damping groove.
Preferably, go up the mounting bracket with the section of bowing of mounting bracket is "T" shape structure down, just go up the mounting bracket and pass through go up the spring with vice bull stick constitutes elastic construction, and the mounting bracket passes through 2 down the spring with vice bull stick constitutes elastic construction, simultaneously the elasticity of lower spring is greater than go up the elasticity of spring, the nimble removal of mounting bracket and lower mounting bracket can be realized to this design to utilize lower spring and last spring to increase the moving resistance of going up mounting bracket and lower mounting bracket.
Preferably, the outer diameter and the number of teeth of the pinion are smaller than those of the main gear, and the pinion and the main gear are located in the same horizontal plane.
Compared with the prior art, the invention has the beneficial effects that: the machine head is a right angle, after the machine head clamps the drill point, the length of the machine head and the drill point is about 15mm, the machine head and the drill point can go deep into the deep part of the tissue, especially the operation of the mandibular angle, the mandibular ramus and the condylar process of the oral approach, and the incision is not required to be expanded or the incision outside the mouth is not required to be opened; the machine head is also provided with a right-angle working end to clamp the screw, after the screw is delivered to the screw hole, the screw is screwed in by a motor, the motor is provided with a resistance control system, when the screw is screwed in to reach certain resistance, the rotation speed of the motor is gradually reduced until the screw is stopped, and an indicator lamp is arranged at the handle to flash for reminding, so that the screw is prevented from being continuously screwed in to cause screw tripping; the machine head is provided with a water spraying device, so that water spraying and cooling can be synchronously performed with the drilling of the machine head, and the damage of the generated high temperature to bone tissues is greatly avoided; the handpiece is provided with an LED light source to ensure that the deep tissue can be sufficiently illuminated.
(1) The medical electric right-angle screwdriver is provided with the main rotating rod, the auxiliary rotating rod and the cooling pipe, the whole device is distributed in a right-angle mode, a user can conveniently hold the device, sufficient observation operation space is provided, the intensity of manual operation is reduced by using an electric driving mode, cold water flow is driven to circularly flow in a cooling water channel formed by the main rotating rod, the auxiliary rotating rod and the cooling pipe, the water cooling of the electric right-angle screwdriver can be realized, and the electric right-angle screwdriver is prevented from continuously heating;
(2) This medical electronic right angle screwdriver, be provided with the mounting bracket, lower mounting bracket, go up the damping groove, lower damping groove, go up spring and lower spring, utilize the resistance that goes up spring and last damping groove to the effect increase vice bull stick corotation of last gyro wheel and last mounting bracket, the resistance that the effect of lower spring and lower damping groove to lower mounting bracket and lower gyro wheel increases vice bull stick reversal, and vice bull stick reversal resistance is greater than vice bull stick corotation resistance, it is different with jaw's operation position down, carry out alternate drive use to vice bull stick, utilize the change of resistance to twist the degree of depth to the accuse screw, and avoid the slew velocity too fast and the smooth silk phenomenon appears.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the main section structure of the present invention;
FIG. 3 is a schematic side sectional view of the drive gear of the present invention;
FIG. 4 is a schematic view of a main sectional structure of a joint between a fixed seat and a main rotating rod according to the present invention;
FIG. 5 is a schematic view of the main cross-sectional structure of the connecting pipe of the present invention;
FIG. 6 is a schematic view of a main section structure of the connecting seat of the present invention;
FIG. 7 is a schematic view of a main sectional structure of the damping seat according to the present invention;
FIG. 8 is a schematic view of a top-down view of the upper mount of the present invention;
FIG. 9 is a schematic top view of the lower mount of the present invention;
FIG. 10 is an enlarged view of the portion A in FIG. 2;
FIG. 11 is a schematic bottom view of the drill of the present invention.
In the figure: 1. an outer housing; 2. a warning light; 3. a water delivery pipe; 4. a drain pipe; 5. a drill bit; 6. a micro water pump; 7. a fixed seat; 8. a main rotating rod; 9. vertical bevel gear; 10. flat bevel teeth; 11. an auxiliary rotating rod; 12. a connecting pipe; 13. a connecting seat; 14. a cooling tube; 15. an upper damping slot; 16. a lower damping groove; 17. a servo motor; 18. a rotating shaft; 19. a driving gear; 20. a driven gear; 21. a damping seat; 22. a through hole; 23. an upper spring; 24. mounting a frame; 25. an upper roller; 26. a lower spring; 27. a lower mounting frame; 28. a lower roller; 29. a pressure sensor; 30. a pinion gear; 31. a main gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a medical electric right-angle screwdriver comprises an outer shell 1, wherein a warning lamp 2 is arranged at the upper right part of the outer shell 1, a water delivery pipe 3 is connected to the right end of the outer shell 1, and a drill bit 5 is rotatably connected to the lower left end of the outer shell 1;
the servo motor 17 is arranged on the inner side of the outer shell 1, the output end of the servo motor 17 is connected with a rotating shaft 18, and the rotating shaft 18 is rotationally connected with the outer shell 1;
the miniature water pump 6 is arranged at the right end of the inner side of the outer shell 1, a water inlet of the miniature water pump 6 is connected with the water delivery pipe 3, and a water outlet of the miniature water pump 6 is connected with the fixed seat 7;
the main rotating rod 8 is rotatably connected inside the fixed seat 7, the outer side of the left end of the main rotating rod 8 is connected with the vertical bevel gear 9, the left end of the main rotating rod 8 is rotatably connected with the connecting pipe 12, and the connecting pipe 12 is installed on the inner side of the outer shell 1;
the flat bevel teeth 10 are meshed and connected below the vertical bevel teeth 9, the inner side keys of the flat bevel teeth 10 are connected with auxiliary rotating rods 11, and the auxiliary rotating rods 11 are in rotating connection with the outer shell 1;
the connecting seat 13 is installed on the inner side of the left side of the outer shell 1, the inner side of the left side of the outer shell 1 is connected with the damping seat 21, the damping seat 21 is arranged below the connecting seat 13, and the auxiliary rotating rod 11 penetrates through the inner sides of the connecting seat 13 and the damping seat 21;
a through hole 22 which is opened at the outer part of one end of the auxiliary rotating rod 11 arranged at the inner side of the connecting seat 13, the auxiliary rotating rod 11 is rotatably connected with the connecting seat 13, a cooling pipe 14 is communicated at the upper left part of the through hole 22, and the right end of the cooling pipe 14 is connected with a drain pipe 4;
the upper damping groove 15 is formed in the inner side of the damping seat 21, the lower damping groove 16 is formed in the inner side of the damping seat 21, and the lower damping groove 16 is formed below the upper damping groove 15;
a main gear 31 which is connected with the outer side of the lower end of the auxiliary rotating rod 11 in a key mode, a secondary gear 30 is connected with the outer side of the main gear 31 in a meshing mode, and the secondary gear 30 is connected with the outer side of the drill 5 in a key mode;
a pressure sensor 29 installed inside the upper and lower damping grooves 15 and 16;
a driving gear 19 which is connected with the outer side of the rotating shaft 18 in a key mode, a driven gear 20 is connected with the lower portion of the driving gear 19 in a meshed mode, and the driven gear 20 is connected with the outer side of the main rotating rod 8 in a key mode;
the external diameter and the number of teeth of the pinion 30 are both smaller than those of the main gear 31, and the pinion 30 and the main gear 31 are positioned in the same horizontal plane;
a user holds the outer shell 1 with a hand to use the electric screwdriver, aligns the drill bit 5 with the screw, the right angle arrangement is convenient for medical staff to hold and observe the joint of the screw and the drill bit 5, as shown in fig. 2, the servo motor 17 is connected with a power supply to control the servo motor 17 to rotate forward, the servo motor 17 controls the rotating shaft 18 connected with the output end to rotate, the rotating shaft 18 controls the driving gear 19 connected with the outer side key to rotate, the driving gear 19 controls the driven gear 20 connected with the outer side in a meshed manner to rotate, the driven gear 20 controls the main rotating rod 8 connected with the inner side key to rotate, as shown in fig. 4 and 5, the left and right two ends of the main rotating rod 8 are respectively connected with the fixed seat 7 and the connecting pipe 12 in a rotating manner, as shown in fig. 5-6, the upper and lower ends of the auxiliary rotating rod 11 are respectively connected with the connecting pipe 12 and the connecting seat 13 in a rotating manner, so as to rotate the auxiliary rotating rod 11, and the connecting pipe 5 is connected with the main rotating gear 30 connected with the auxiliary rotating screw and the connecting seat 13, and the connecting pipe 31 connected with the main rotating gear 30 connected with the inner side of the auxiliary rotating rod 11, and the connecting pipe 5, and the connecting seat 31 connected with the connecting pipe 30;
the auxiliary rotating rod 11 further comprises an upper mounting frame 24 and a lower mounting frame 27: the upper mounting frame 24 is connected to the outer wall below the auxiliary rotating rod 11 in a sliding mode, the upper mounting frame 24 is elastically connected with the auxiliary rotating rod 11 through an upper spring 23, and an upper roller 25 is rotatably connected to the end, far away from the auxiliary rotating rod 11, of the upper mounting frame 24; a lower mounting bracket 27, which is slidably connected to the outer wall below the auxiliary rotating rod 11, wherein the lower mounting bracket 27 is arranged below the upper mounting bracket 24, and the lower mounting bracket 27 is elastically connected with the auxiliary rotating rod 11 through a lower spring 26; the end part of the lower mounting bracket 27 far away from the auxiliary rotating rod 11 is rotatably connected with a lower roller 28;
the interior of the main rotating rod 8 is of a hollow structure, and the main rotating rods 8 which are mutually communicated are rotatably connected with the fixed seat 7; the interior of the auxiliary rotating rod 11 is of a hollow structure, the auxiliary rotating rod 11 and the main rotating rod 8 are communicated with each other through a connecting pipe 12 of which the main view surface is of an arc-shaped structure, and the auxiliary rotating rod 11 and the main rotating rod 8 are rotatably connected with the connecting pipe 12; the cooling pipes 14 are in a spiral structure, and the cooling pipes 14 are distributed outside the main rotating rod 8 and the auxiliary rotating rod 11; the depth of the upper damping groove 15 is gradually reduced in a counterclockwise direction, and the inner side of the upper damping groove 15 is of a rough structure; the depth of the lower damping groove 16 is gradually increased in a counterclockwise direction, and the inner side of the lower damping groove 16 is of a rough structure; the top cross section of the upper mounting frame 24 and the lower mounting frame 27 is of a T-shaped structure, the upper mounting frame 24 and the auxiliary rotating rod 11 form an elastic structure through an upper spring 23, the lower mounting frame 27 and the auxiliary rotating rod 11 form an elastic structure through 2 lower springs 26, and meanwhile, the elastic force of the lower springs 26 is larger than that of the upper spring 23;
referring to fig. 7-9, when the auxiliary rotary rod 11 rotates clockwise, the auxiliary rotary rod 11 controls the upper mounting frame 24 and the lower mounting frame 27 to rotate counterclockwise as shown in fig. 8-9, the upper roller 25 mounted on the upper mounting frame 24 slides in the upper damping slot 15, and the depth of the upper damping slot 15 gradually decreases counterclockwise, so that the upper roller 25 can be pushed to extrude the upper mounting frame 24, the upper mounting frame 24 extrudes the upper spring 23 to move, so that the movement of the upper roller 25 and the upper mounting frame 24 needs to overcome the restoring force of the upper spring 23, and the depth of the lower damping slot 16 gradually increases counterclockwise, so that the lower mounting frame 27 gradually follows the lower spring 26 to reset and extend, so that the resistance of the auxiliary rotary rod 11 is increased by the action of the upper spring 23 and the upper damping slot 15 on the upper roller 25 and the upper mounting frame 24, thereby increasing the resistance of the drill bit 5, and enabling the drill bit 5 to rotate slowly, when the resistance of the drill 5 is increasingly larger, the screw gradually moves into place, when the upper roller 25 is in contact with the pressure sensor 29 at the corresponding position, the pressure sensor 29 transmits a signal to the warning lamp 2, the warning lamp 2 warns medical personnel that the screw is screwed too deeply, the servo motor 17 is controlled to rotate reversely, the auxiliary rotating rod 11 can realize reverse rotation, the auxiliary rotating rod 11 controls the upper mounting frame 24 and the lower mounting frame 27 to rotate clockwise in the directions shown in figures 8-9, the upper mounting frame 24 gradually follows the upper spring 23 to reset and extend, and the lower mounting frame 27 extrudes the lower spring 26 to move, so that the resistance of the auxiliary rotating rod 11 is increased by utilizing the action of the lower spring 26 and the lower damping groove 16 on the lower mounting frame 27 and the lower roller 28 in the process, 2 lower springs 26 are distributed, one upper spring 23 is distributed, and the elasticity of the upper spring 23 is smaller than that of the lower spring 26, the resistance of the auxiliary rotating rod 11 to the positive rotation is smaller than the resistance of the auxiliary rotating rod 11 to the negative rotation, so that the auxiliary rotating rod 11 can be alternately driven to be used according to different surgical positions of maxilla and mandible, the micro water pump 6 is powered on, the micro water pump 6 conveys cold water flow into the fixing seat 7 through the water conveying pipe 3 and divides the cold water flow into the hollow main rotating rod 8, the main rotating rod 8 conveys the water flow into the auxiliary rotating rod 11 along the connecting pipe 12, the water flow in the auxiliary rotating rod 11 enters the connecting seat 13 through the through hole 22 and then enters the cooling pipe 14, the electric screwdriver is subjected to water cooling treatment, and then the water flow is discharged from the water discharge pipe 4, so that the cold water is circularly conveyed.
The working principle is as follows: when the medical electric right-angle screwdriver is used, firstly, a user holds the outer shell 1 with a hand to use the electric screwdriver, the drill bit 5 is aligned with a screw, the servo motor 17 is powered on, the drill bit 5 rotates to drive the screw to be screwed into a screw hole, the servo motor 17 rotates forwards, the resistance of the auxiliary rotating rod 11 is increased by the action of the upper spring 23 and the upper damping groove 15 on the upper roller 25 and the upper mounting frame 24, so that the resistance of the drill bit 5 is increased, the servo motor 17 rotates backwards, the resistance of the auxiliary rotating rod 11 is increased by the action of the lower spring 26 and the lower damping groove 16 on the lower mounting frame 27 and the lower roller 28, the micro water pump 6 is powered on, water flow is conveyed into the auxiliary rotating rod 11 along the connecting pipe 12, the water flow in the auxiliary rotating rod 11 enters the connecting seat 13 through the through hole 22, then enters the cooling pipe 14, and carries out water cooling treatment on the electric screwdriver, and the content which is not described in detail in the specification belongs to the prior art which is known by a person skilled in the art.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A medical electric right-angle screwdriver comprises an outer shell, wherein a warning lamp is arranged at the upper right part of the outer shell, a water delivery pipe is connected to the right end of the outer shell, and a drill bit is rotatably connected to the lower left end of the outer shell;
the servo motor is arranged on the inner side of the outer shell, the output end of the servo motor is connected with a rotating shaft, and the rotating shaft is rotatably connected with the outer shell;
the method is characterized in that: further comprising:
the miniature water pump is arranged at the right end of the inner side of the outer shell, a water inlet of the miniature water pump is connected with the water delivery pipe, and a water outlet of the miniature water pump is connected with a fixed seat;
the main rotating rod is rotatably connected inside the fixed seat, the outer side of the left end of the main rotating rod is connected with vertical bevel teeth, the left end of the main rotating rod is rotatably connected with a connecting pipe, and the connecting pipe is installed on the inner side of the outer shell;
the horizontal bevel gear is meshed and connected below the vertical bevel gear, the inner side key of the horizontal bevel gear is connected with an auxiliary rotating rod, and the auxiliary rotating rod is in rotating connection with the outer shell;
the connecting seat is installed on the inner side of the left side of the outer shell, the inner side of the left side of the outer shell is connected with the damping seat, the damping seat is arranged below the connecting seat, and the auxiliary rotating rods penetrate through the inner sides of the connecting seat and the damping seat;
the through hole is formed in the outer part of one end, arranged on the inner side of the connecting seat, of the auxiliary rotating rod, the auxiliary rotating rod is rotatably connected with the connecting seat, a cooling pipe is communicated with the upper left of the through hole, and the right end of the cooling pipe is connected with a drain pipe;
the upper damping groove is formed in the inner side of the damping seat, the inner side of the damping seat is provided with a lower damping groove, and the lower damping groove is formed below the upper damping groove;
the main gear is connected to the outer side of the lower end of the auxiliary rotating rod in a key mode, the outer side of the main gear is connected with an auxiliary gear in a meshed mode, and the auxiliary gear is connected to the outer side of the drill in a key mode;
a pressure sensor installed inside the upper damping groove and the lower damping groove;
the key-type is in the outside of pivot, just the below meshing of driving gear is connected with driven gear, and driven gear key-type is in the outside of main bull stick.
2. The medical electric right-angle screwdriver according to claim 1, wherein: the auxiliary rotating rod further comprises an upper mounting frame and a lower mounting frame:
the upper mounting frame is connected to the outer wall below the auxiliary rotating rod in a sliding mode, the upper mounting frame is elastically connected with the auxiliary rotating rod through an upper spring, and the end, far away from the auxiliary rotating rod, of the upper mounting frame is rotatably connected with an upper roller;
the lower mounting frame is connected to the outer wall below the auxiliary rotating rod in a sliding mode, arranged below the upper mounting frame and elastically connected with the auxiliary rotating rod through a lower spring;
the end part of the lower mounting frame, which is far away from the auxiliary rotating rod, is rotatably connected with a lower roller.
3. The medical electric right-angle screwdriver according to claim 1, wherein: the inside of main bull stick is hollow column structure, and inside intercommunication main bull stick with the fixing base rotates to be connected.
4. The medical electric right-angle screwdriver according to claim 1, wherein: the inside of vice bull stick is hollow column structure, just vice bull stick with be the arc structure through main face between the main bull stick the connecting pipe communicates each other, and vice bull stick with main bull stick all with the connecting pipe rotates and is connected.
5. The medical electric right-angle screwdriver according to claim 1, wherein: the cooling pipe is helical structure, just the cooling pipe distributes in the main bull stick with the outside of vice bull stick.
6. The medical electric right-angle screwdriver according to claim 1, wherein: the depth of the upper damping groove is gradually reduced in a counterclockwise direction, and the inner side of the upper damping groove is of a rough structure.
7. The medical electric right-angle screwdriver according to claim 1, wherein: the depth of the lower damping groove is gradually increased in the counterclockwise direction, and the inner side of the lower damping groove is of a rough structure.
8. The medical electric right-angle screwdriver according to claim 2, wherein: go up the mounting bracket with the section of bowing of lower mounting bracket is "T" shape structure, just go up the mounting bracket and pass through go up the spring with vice bull stick constitutes elastic construction, and the mounting bracket passes through 2 down the spring with vice bull stick constitutes elastic construction, simultaneously the elasticity of lower spring is greater than the elasticity of going up the spring.
9. The medical electric right-angle screwdriver according to claim 1, wherein: the external diameter and the number of teeth of the pinion are both smaller than those of the main gear, and the pinion and the main gear are located in the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210699289.5A CN115153737B (en) | 2022-06-20 | 2022-06-20 | Medical electric right angle screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210699289.5A CN115153737B (en) | 2022-06-20 | 2022-06-20 | Medical electric right angle screwdriver |
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| CN115153737A true CN115153737A (en) | 2022-10-11 |
| CN115153737B CN115153737B (en) | 2024-03-22 |
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| CN2056378U (en) * | 1989-09-06 | 1990-04-25 | 陈伟 | Semi-automatic band rotary screwdriver |
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| KR200385233Y1 (en) * | 2005-03-07 | 2005-05-25 | 박창환 | Electromotive driver |
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| KR200385233Y1 (en) * | 2005-03-07 | 2005-05-25 | 박창환 | Electromotive driver |
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| CN103203708A (en) * | 2012-01-13 | 2013-07-17 | 苏州宝时得电动工具有限公司 | Power tool |
| JP5624241B1 (en) * | 2014-03-28 | 2014-11-12 | 雄貴 多田 | Bendable screwdriver |
| CN108673397A (en) * | 2018-06-26 | 2018-10-19 | 宁波金山行五金有限公司 | Gun-shaped fast-turn construction ratchet screwdriver |
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| Publication number | Publication date |
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| CN115153737B (en) | 2024-03-22 |
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