Skull drill with drill bit convenient to replace
By designing a skull drilling equipment with sliding snaps and telescopic rods, the problem of drill bits being difficult to replace and cannot be adjusted in the prior art is solved, and the function of rapid replacement of drill bits and adapting to different sizes is realized, which improves the flexibility of the equipment and efficiency.
Patent Information
- Application Number
- CN202420452381.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-09
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-09
AI Technical Summary
The drill bits of existing skull drilling equipment are difficult to replace and cannot be adjusted according to their size, resulting in inconvenient use under different circumstances.
A skull drill consisting of a shell, a power structure, a clamping fixing structure and an adjustment structure is designed. The drill bit is quickly replaced and sized by sliding buckles and telescopic rods. The power structure drives the drill bit to rotate through the motor and gears.
It realizes the function of quick replacement of drill bits and adapts to different sizes, improving the flexibility and efficiency of equipment.
Smart Images
Figure CN222130209U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of skull drill equipment, in particular to a skull drill with a convenient drill bit replacement. Background Art
[0002] A skull drill is a tool used to perform craniotomy; it is usually composed of a high-speed rotating drill bit and a handle, and is used to cut and remove part of the skull so that the user can gain direct access to brain tissue; when a skull drill is used for too long, its drill bit needs to be replaced, and a skull drill device currently on the market has a drill bit that is not only difficult to replace but also cannot be adjusted according to the size of the drill bit; therefore, those skilled in the art have provided a skull drill with an easy-to-replace drill bit to solve the problems raised in the above background technology. Summary of the invention
[0003] The utility model aims to provide a skull drill with convenient drill bit replacement, so as to solve the problems raised in the above-mentioned background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A skull drill for convenient drill bit replacement comprises a shell, a power structure, a clamping and fixing structure and an adjustment structure; the power structure is arranged inside the shell, the right end of the shell is fixedly connected to a connecting block, the right end of the connecting block is slidably connected to the clamping and fixing structure, and the adjustment structure is arranged on the clamping and fixing structure and the connecting block; the power structure comprises a motor, a driving gear, a rotating shaft and a driven gear, the power structure is arranged on the motor, the output end of the motor is fixedly connected to the rotating shaft, the shaft arm of the rotating shaft is fixedly connected to the driving gear, the right end of the driving gear is arranged on the driven gear, and the driving gear and the driven gear are meshed and connected; the clamping and fixing structure comprises an upper clamping A tightening block, a handle, a slide, a limit block, a buckle, a buckle connecting block, a buckle groove, a lower clamping block and a notch, the clamping and fixing structure is provided with a lower clamping block, and notches corresponding to the buckle connecting block are provided on both sides of the upper front end of the lower clamping block, buckles are provided at the left and right ends of the buckle connecting block, and buckles are provided on both sides of the inner part of the notch, and buckle grooves corresponding to the buckles are provided, an upper clamping block is provided at the upper ends of the two buckle connecting blocks, a handle is provided at the upper end of the upper clamping block, slides are provided on both sides of the rear ends of the upper clamping block and the lower clamping block, and limit blocks are provided at the upper ends of the slides on both sides of the rear end of the upper clamping block and the lower ends of the slides on both sides of the rear end of the lower clamping block.
[0006] Preferably, the adjusting structure comprises an upper ring block, a lower ring block, a telescopic rod, a spring, a connecting shaft and a slot, the upper ring block is provided on the adjusting structure, the telescopic rods are provided on both sides of the lower end of the upper ring block, springs are provided on the rod arms of the telescopic rod, and a lower ring block is provided at the lower end of the telescopic rod, a drill bit is movably connected between the upper ring block and the lower ring block, and the rear end of the drill bit is movably connected with the connecting shaft, a slot corresponding to the drill bit is provided on the front end surface of the connecting shaft, and the connecting shaft is fixedly connected to the driven gear; slide grooves corresponding to the slide are provided on both sides of the front end of the connecting block, a through hole corresponding to the adjusting structure is provided on the middle surface of the front end of the connecting block, and the rear end of the through hole passes through the rear end surface of the connecting block, a handle connecting block is provided at the left end of the shell, an anti-slip handle is provided at the lower end of the handle connecting block, a round plate is provided at the lower end of the anti-slip handle, and a button corresponding to the motor is provided at the front end of the shell.
[0007] Compared with the prior art, the utility model has the following beneficial effects: the upper clamping block slides downward, the sliding of the upper clamping block drives the sliding of the buckle connecting block, and the sliding of the buckle connecting block drives the sliding of the buckle, and when the buckle connecting block slides into the notch, the buckles on both sides of the buckle connecting block will be retracted inward under pressure until they fit into the buckle groove, and at this time the buckle will pop out without pressure; because a telescopic rod is arranged between the upper ring block and the lower ring block, and a spring is arranged on the rod arm of the telescopic rod, the space between the upper ring block and the lower ring block will be compressed when the upper clamping block slides downward, and this operation is conducive to replacing drill bits of different sizes and is suitable for different situations; turning on the motor, the motor drives the rotation of the rotating shaft, the rotation of the rotating shaft drives the rotation of the driving gear, the rotation of the driving gear drives the rotation of the driven gear, and then drives the rotation of the connecting shaft, thereby driving the rotation of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 The figure is a schematic diagram of the structure of a skull drill for convenient drill bit replacement.
[0009] Figure 2 The present invention is a schematic diagram of the internal structure of the shell of a skull drill for convenient drill bit replacement.
[0010] Figure 3 The present invention is a schematic diagram of a clamping and fixing structure of a skull drill for convenient drill bit replacement.
[0011] Figure 4 The present invention is a schematic diagram of the rear view structure of a connection block of a skull drill for convenient drill bit replacement.
[0012] Figure 5 The present invention is a schematic diagram of the adjustment structure of a skull drill for convenient drill bit replacement.
[0013] In the figure: 1-housing, 2-handle connecting block, 3-button, 4-connecting block, 5-power structure, 51-motor, 52-driving gear, 53-rotating shaft, 54-driven gear, 6-clamping and fixing structure, 61-upper clamping block, 62-handle, 63-slide, 64-limiting block, 65-buckle, 66-buckle connecting block, 67-buckle groove, 68-lower clamping block, 69-notch, 7-adjusting structure, 71-upper ring block, 72-lower ring block, 73-telescopic rod, 74-spring, 75-connecting shaft, 76-slot, 8-drill bit, 9-anti-slip handle, 10-round plate, 11-slide, 12-through hole. DETAILED DESCRIPTION
[0014] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0015] See also Figures 1 to 5In the embodiment of the utility model, a skull drill for convenient drill bit replacement includes a shell 1, a power structure 5, a clamping and fixing structure 6 and an adjustment structure 7; the power structure 5 is arranged inside the shell 1, the right end of the shell 1 is fixedly connected to a connecting block 4, the right end of the connecting block 4 is slidably connected to a clamping and fixing structure 6, and the clamping and fixing structure 6 and the connecting block 4 are provided with an adjustment structure 7; the power structure 5 includes a motor 51, a driving gear 52, a rotating shaft 53 and a driven gear 54, the power structure 5 is provided with a motor 51, the output end of the motor 51 is fixedly connected to a rotating shaft 53, the shaft arm of the rotating shaft 53 is fixedly connected to a driving gear 52, and the right end of the driving gear 52 is provided with a A driven gear 54 is arranged, and the driving gear 52 is meshed and connected with the driven gear 54; the clamping and fixing structure 6 includes an upper clamping block 61, a handle 62, a slide 63, a limit block 64, a buckle 65, a buckle connecting block 66, a buckle groove 67, a lower clamping block 68 and a notch 69, wherein the clamping and fixing structure 6 is provided with a lower clamping block 68, and both sides of the upper front end of the lower clamping block 68 are provided with notches 69 corresponding to the buckle connecting block 66, buckles 65 are arranged at the left and right ends of the buckle connecting block 66, and buckle grooves 67 corresponding to the buckles 65 are arranged on both sides of the inner side of the notch 69, and the upper ends of the two buckle connecting blocks 66 are provided with upper clamping blocks 61, and the upper A handle 62 is provided at the upper end of the clamping block 61, and slides 63 are provided on both sides of the rear ends of the upper clamping block 61 and the lower clamping block 68. Limiting blocks 64 are provided at the upper ends of the slides 63 on both sides of the rear end of the upper clamping block 61 and the lower ends of the slides 63 on both sides of the rear end of the lower clamping block 68; the adjustment structure 7 includes an upper ring block 71, a lower ring block 72, a telescopic rod 73, a spring 74, a connecting shaft 75 and a slot 76, and the adjustment structure 7 is provided with an upper ring block 71, and telescopic rods 73 are provided on both sides of the lower end of the upper ring block 71, and springs 74 are provided on the rod arms of the telescopic rod 73, and a lower ring block 72 is provided at the lower end of the telescopic rod 73, and a drill is movably connected between the upper ring block 71 and the lower ring block 72 8. The rear end of the drill bit 8 is movably connected with a connecting shaft 75, and a slot 76 corresponding to the drill bit 8 is provided on the front end surface of the connecting shaft 75, and the connecting shaft 75 is fixedly connected to the driven gear 54; both sides of the front end of the connecting block 4 are provided with sliding grooves 11 corresponding to the slide 63, and a through hole 12 corresponding to the adjustment structure 7 is provided on the middle surface of the front end of the connecting block 4, and the rear end of the through hole 12 passes through the rear end surface of the connecting block 4, a handle connecting block 2 is provided at the left end of the shell 1, and an anti-slip handle 9 is provided at the lower end of the handle connecting block 2, and a round plate 10 is provided at the lower end of the anti-slip handle 9, and a button 3 corresponding to the motor 51 is provided at the front end of the shell 1.
[0016] The working principle of the utility model is: the upper clamping block 61 slides downward, the sliding of the upper clamping block 61 drives the sliding of the buckle connecting block 66, and the sliding of the buckle connecting block 66 drives the sliding of the buckle 65. When the buckle connecting block 66 slides into the notch 69, the buckles 65 on both sides of the buckle connecting block 66 will be retracted inward under pressure until they fit into the buckle groove 67. At this time, the buckle 65 will pop out without pressure. Because a telescopic rod 73 is provided between the upper ring block 71 and the lower ring block 72, the telescopic rod 73 3 is provided with a spring 74, so when the upper clamping block 61 slides downward, the space between the upper ring block 71 and the lower ring block 72 will be compressed. This operation is conducive to replacing drill bits of different sizes and is suitable for different situations. Turn on the motor 51, the motor 51 drives the rotation of the rotating shaft 53, the rotation of the rotating shaft 53 drives the rotation of the driving gear 52, the rotation of the driving gear 52 drives the rotation of the driven gear 54, and then drives the rotation of the connecting shaft 75, thereby driving the rotation of the drill bit 8.
[0017] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0018] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A skull drill for convenient drill bit replacement, comprising a housing (1), a power structure (5), a clamping and fixing structure (6) and an adjustment structure (7); characterized in that: A power structure (5) is arranged inside the housing (1); a connecting block (4) is fixedly connected to the right end of the housing (1); a clamping and fixing structure (6) is slidably connected to the right end of the connecting block (4); and an adjustment structure (7) is arranged on the clamping and fixing structure (6) and the connecting block (4).
2. A skull drill for convenient drill bit replacement according to claim 1, characterized in that: The power structure (5) comprises a motor (51), a driving gear (52), a rotating shaft (53) and a driven gear (54). The power structure (5) is provided with a motor (51), an output end of the motor (51) is fixedly connected to the rotating shaft (53), a shaft arm of the rotating shaft (53) is fixedly connected to the driving gear (52), a driven gear (54) is provided at the right end of the driving gear (52), and the driving gear (52) and the driven gear (54) are meshingly connected.
3. A skull drill for convenient drill bit replacement according to claim 1, characterized in that: The clamping and fixing structure (6) comprises an upper clamping block (61), a handle (62), a slide (63), a limit block (64), a buckle (65), a buckle connecting block (66), a buckle groove (67), a lower clamping block (68) and a notch (69), and the clamping and fixing structure (6) is provided with a lower clamping block (68).
4. A skull drill for convenient drill bit replacement according to claim 1, characterized in that: The adjustment structure (7) comprises an upper ring block (71), a lower ring block (72), a telescopic rod (73), a spring (74), a connecting shaft (75) and a slot (76); the adjustment structure (7) is provided with the upper ring block (71).
5. A skull drill for convenient drill bit replacement according to claim 1, characterized in that: Both sides of the front end of the connection block (4) are provided with slide grooves (11) arranged corresponding to the slide frame (63), and a through hole (12) arranged corresponding to the adjustment structure (7) is provided on the middle surface of the front end of the connection block (4), and the rear end of the through hole (12) passes through the rear end surface of the connection block (4).
6. A skull drill for convenient drill bit replacement according to claim 1, characterized in that: A handle connection block (2) is provided at the left end of the housing (1), an anti-slip handle (9) is provided at the lower end of the handle connection block (2), a round plate (10) is provided at the lower end of the anti-slip handle (9), and a button (3) corresponding to the motor (51) is provided at the front end of the housing (1).
7. A skull drill for convenient drill bit replacement according to claim 3, characterized in that: Notches (69) corresponding to the buckle connection block (66) are provided on both sides of the upper front end of the lower clamping block (68); buckles (65) are provided at the left and right ends of the buckle connection block (66); buckle grooves (67) corresponding to the buckles (65) are provided on both sides of the inside of the notch (69); and upper clamping blocks (61) are provided at the upper ends of the two buckle connection blocks (66).
8. The skull drill for convenient drill bit replacement according to claim 3, characterized in that: A handle (62) is provided at the upper end of the upper clamping block (61), and slides (63) are provided on both sides of the rear ends of the upper clamping block (61) and the lower clamping block (68). Limiting blocks (64) are provided at the upper ends of the slides (63) on both sides of the rear end of the upper clamping block (61) and at the lower ends of the slides (63) on both sides of the rear end of the lower clamping block (68).
9. The skull drill for convenient drill bit replacement according to claim 4, characterized in that: Telescopic rods (73) are provided on both sides of the lower end of the upper ring block (71), springs (74) are provided on the rod arms of the telescopic rods (73), and a lower ring block (72) is provided at the lower end of the telescopic rod (73).
10. The skull drill for convenient drill bit replacement according to claim 4, characterized in that: A drill bit (8) is movably connected between the upper ring block (71) and the lower ring block (72), a connecting shaft (75) is movably connected to the rear end of the drill bit (8), a slot (76) corresponding to the drill bit (8) is provided on the front end surface of the connecting shaft (75), and the connecting shaft (75) is fixedly connected to the driven gear (54).