CN212939863U

CN212939863U - Adjustable safety bone drill

Info

Publication number: CN212939863U
Application number: CN202020497181.4U
Authority: CN
Inventors: 倪大山; 张磊
Original assignee: Suzhou Arnold Medical Equipment Co ltd
Current assignee: Suzhou Arnold Medical Equipment Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-04-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a safe type bone drill with adjustable, including drill bit, main shaft, casing, handle, install PCB board and motor, battery, the portable suit in the casing in the outside commentaries on classics cover of main shaft and clamp in the distance sensor who changes the cover front end, the main shaft front end passes through the fixed drill bit of chuck, the main shaft passes through the coupling joint motor, the PCB board passes through port and connection of electric lines motor, battery and distance sensor, the PCB board sets up signal processing module, contrast module, storage module and power control module, the handle front side is equipped with hand switch, the main shaft surface is equipped with apart from the scale. Safe type bone drill with adjustable, simple structure has guaranteed the security of boring the bone operation through setting for drilling degree of depth, distance sensor's use, utilizes simple contrast mode control switch to maintain the light and handy portability of hand-held type electric drill.

Description

Adjustable safety bone drill

Technical Field

The utility model relates to the technical field of medical equipment, in particular to safe type bone drill with adjustable.

Background

The bone drill belongs to one of medical instruments, is commonly used in bone drilling operations, has the highest application frequency in fracture operations, and is gradually pushed into use along with the development of science and technology, but the handheld electric bone drill is still a common tool in surgical operations due to the advantages of easiness in operation, portability and the like, but the defects of the handheld electric bone drill are more prominent, for example, the drilling process is completely controlled by a doctor, the butt joint with advanced medical imaging equipment is poor, the influence of artificial subjective factors in the drilling operation process is large, and how to guide the use of a traditional electric drill according to the imaging equipment, so that the safety in the drilling process is ensured, and the problem is necessary and important to solve.

An object of the utility model is to provide a safe type bone bores with adjustable to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a safe type bone drill with adjustable, simple structure has guaranteed the security of boring the bone operation through setting for drilling degree of depth, distance sensor's use, utilizes simple contrast mode control switch to maintain the light and handy portability of hand-held type electric drill.

The technical scheme is as follows: in order to achieve the above object, the utility model provides an adjustable safety bone drill, which comprises a drill bit, a main shaft, a shell, a handle, a PCB board fixedly arranged at the tail part in the shell, a motor fixedly arranged at the middle part in the shell, a battery fixedly arranged in the handle, a rotary sleeve movably sleeved outside the main shaft and a distance sensor clamped at the front end of the rotary sleeve, wherein the drill bit is fixed at the front end of the main shaft through a chuck, the main shaft is connected with the motor through a coupler, the PCB board is connected with the motor, the battery and the distance sensor through a port and an electric wire, the PCB board is provided with a signal processing module, a comparison module, a storage module and a power control module, a manual switch is arranged at the front side of the handle, the surface of the main shaft is provided with distance scales, a user adjusts the position of the rotary sleeve to a corresponding scale value according to the drilling, and when the set value is reached, the power supply of the motor is cut off.

Furthermore, in the adjustable safety bone drill, the surface of the main shaft is provided with external threads, and the inner surface of the rotating sleeve is provided with internal threads.

Further, safe type bone bores with adjustable foretell, the inside motor support that is equipped with of casing, PCB board fixing base, afterbody are equipped with can dismantle the back lid, be equipped with heat conduction silica gel between back lid and the PCB board fixing base, improve the reliability and the life of bone bore.

Furthermore, according to the adjustable safe bone drill, the distance sensor is an infrared correlation photoelectric sensor, the precision can reach 1mm, and the bone drilling requirement is met.

Furthermore, above-mentioned safe type bone drill with adjustable, be set with numerical value A in the storage module of PCB board, numerical value A is for changeing the cover and rotate the distance that the drill bit pointed end reachs distance sensor when the main shaft is foremost, directly sets for in the storage module, avoids by the outside settlement, guarantees that bone drill simple structure.

Furthermore, the drill bit is a replaceable drill bit, the drill rods of the replaceable drill bit are of the same specification, the effectiveness of the numerical value A is facilitated, and the resetting of the dismantling machine is avoided.

Furthermore, foretell safe type bone drill with adjustable, the handle front side is equipped with the arch, the arch is located the manual switch below, slows down the fatigue that the user was handheld.

Preferably, the adjustable safety bone drill is characterized in that the PCB is provided with a buzzer, and the buzzer alarms when the switch is turned off.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a safe type bone drill with adjustable, through changeing the cover and installing distance sensor at the outside suit of main shaft on changeing the cover, the drilling in-process distance sensor of being convenient for guarantees the security of drilling degree of depth and drilling to the distance measurement of outside tissue.

2. The utility model discloses a safe type bone bores with adjustable, through setting for storage module, contrast module on the PCB board, avoid boring external connection at the bone and set for and display device, kept the light and handy portable advantage of hand-held type bone bores.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the middle spindle of the present invention.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

As shown in fig. 1 and 2, the adjustable safety bone drill comprises a drill bit 1, a main shaft 2, a housing 3, a handle 4, a PCB 5 fixedly installed at the inner tail of the housing 3, a motor 6 fixedly installed at the inner middle of the housing 3, a battery 7 fixedly installed inside the handle 4, a rotary sleeve 8 movably sleeved outside the main shaft 2, and a distance sensor 9 clamped at the front end of the rotary sleeve 8, wherein the drill bit 1 is fixed at the front end of the main shaft 2 through a chuck, the main shaft 2 is connected with the motor 6 through a coupler, the PCB 5 is connected with the motor 6, the battery 7 and the distance sensor 9 through ports and wires, the PCB 5 is provided with a signal processing module, a comparison module, a storage module and a power control module, a manual switch 41 is arranged at the front side of the handle 4, distance scales are arranged on the surface of the main shaft 2, and a user adjusts the position of the rotary sleeve 8 to a corresponding scale value, the value monitored by the distance sensor 9 is compared with the set value, and the power supply of the motor 6 is cut off when the set value is reached.

Furthermore, in the adjustable safety bone drill, the surface of the main shaft 2 is provided with external threads, and the inner surface of the rotating sleeve 8 is provided with internal threads.

Further, safe type bone drill with adjustable foretell, 3 inside motor support 34 that are equipped with of casing, PCB board fixing base 32, afterbody are equipped with and dismantle back lid 31, be equipped with heat conduction silica gel 33 between back lid 31 and the PCB board fixing base 32, improve the reliability and the life of bone drill.

Furthermore, according to the adjustable safety bone drill, the distance sensor 9 is an infrared correlation photoelectric sensor, the precision can reach 1mm, and the bone drilling requirement is met.

Furthermore, above-mentioned safe type bone drill with adjustable, be set with numerical value A in the storage module of PCB board 5, numerical value A is the distance that the drill bit 1 pointed end arrived distance sensor 9 when changeing cover 8 and rotating to main shaft 2 foremost, directly sets for in the storage module, avoids by the outside settlement, guarantees that bone drill simple structure.

Furthermore, according to the adjustable safety bone drill, the drill bit 1 is a replaceable drill bit, and the drill rods of the replaceable drill bit are of the same specification, so that the effectiveness of the numerical value A is facilitated, and the resetting of dismantling is avoided.

Furthermore, according to the adjustable safety bone drill, the front side of the handle 4 is provided with the protrusion 42, and the protrusion 42 is located below the manual switch 41, so that the fatigue feeling of a user in holding the bone drill is relieved.

Preferably, in the adjustable safety bone drill, the PCB 5 is provided with a buzzer, and the buzzer alarms when the switch is turned off.

The working principle is as follows:

the user will change the cover 8 and rotate to corresponding scale according to the degree of depth that will drill, and the distance of distance sensor 9 to 1 front end of drill bit is A + scale interval, and along with the deepening of drilling, distance sensor 9 will monitor that the distance of 1 peripheral tissue of drill bit conveys the PCB board, and through the comparison of PCB board, when monitoring numerical value and being A, explains that the drilling degree of depth reaches the setting value, and control module automatic disconnection motor 6 power, buzzer warning simultaneously, and drilling is accomplished.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the invention and should not be interpreted as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a safe type bone drill with adjustable which characterized in that: comprises a drill bit (1), a main shaft (2), a shell (3), a handle (4), a PCB (printed circuit board) fixedly arranged at the inner tail part of the shell (3), a motor (6) fixedly arranged at the inner middle part of the shell (3), a battery (7) fixedly arranged in the handle (4), a rotating sleeve (8) movably sleeved outside the main shaft (2) and a distance sensor (9) clamped at the front end of the rotating sleeve (8), the front end of the main shaft (2) fixes the drill bit (1) through a chuck, the main shaft (2) is connected with a motor (6) through a coupler, the PCB (5) is connected with a motor (6), a battery (7) and a distance sensor (9) through a port and an electric wire, the PCB (5) is provided with a signal processing module, a comparison module, a storage module and a power control module, the front side of the handle (4) is provided with a manual switch (41), and the surface of the main shaft (2) is provided with distance scales.

2. The adjustable safety bone drill according to claim 1, wherein: the surface of the main shaft (2) is provided with external threads, and the inner surface of the rotating sleeve (8) is provided with internal threads.

3. The adjustable safety bone drill according to claim 1, wherein: casing (3) inside is equipped with motor support (34), PCB board fixing base (32), and the afterbody is equipped with can dismantle back lid (31), be equipped with heat conduction silica gel (33) between back lid (31) and PCB board fixing base (32).

4. The adjustable safety bone drill according to claim 1, wherein: the distance sensor (9) is an infrared correlation type photoelectric sensor.

5. The adjustable safety bone drill according to claim 1, wherein: a numerical value A is set in a storage module of the PCB (5), and the numerical value A is the distance from the tip of the drill bit (1) to the distance sensor (9) when the rotating sleeve (8) rotates to the foremost end of the spindle (2).

6. The adjustable safety bone drill according to claim 5, wherein: the drill bit (1) is a replaceable drill bit, and drill rods of the replaceable drill bit are of the same specification.

7. The adjustable safety bone drill according to claim 1, wherein: the front side of the handle (4) is provided with a bulge (42), and the bulge (42) is positioned below the manual switch (41).

8. The adjustable safety bone drill according to claim 1, wherein: the PCB (5) is provided with a buzzer.