CN210115494U - Drill bit capable of adjusting and controlling drilling depth - Google Patents
Drill bit capable of adjusting and controlling drilling depth Download PDFInfo
- Publication number
- CN210115494U CN210115494U CN201920994528.3U CN201920994528U CN210115494U CN 210115494 U CN210115494 U CN 210115494U CN 201920994528 U CN201920994528 U CN 201920994528U CN 210115494 U CN210115494 U CN 210115494U
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- drill bit
- adjusting ring
- wall
- handle rod
- connecting handle
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- Expired - Fee Related
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Abstract
The utility model relates to a construction drill bit technical field discloses a drill bit of adjustable control drilling depth. The utility model comprises a cutting head, a connecting handle rod and an adjusting ring arranged on the connecting handle rod; the adjusting ring is sleeved outside the connecting handle rod and fixed with the connecting handle rod through a fixing bolt, the fixing bolt vertically penetrates through the side wall of the adjusting ring along the diameter direction of the adjusting ring to extend into the ring to be attached to the outer wall of the connecting handle rod, a fixing block is arranged on the inner wall of the adjusting ring at a position opposite to the fixing bolt, and the inner end face of the fixing block is attached to the outer wall of the connecting handle rod; a pair of balance reinforcing bolts are further arranged on the adjusting ring, and the balance reinforcing bolts are symmetrically arranged on the adjusting ring between the fixing bolts and the fixing block; one side end face of the adjusting ring on the outer side of the fixing block sinks to form a mounting groove, and a measuring assembly is arranged in the mounting groove. The utility model discloses simple structure, it is with low costs, it is convenient to use, can accurate regulation and control the drilling depth.
Description
Technical Field
The utility model relates to a construction drill bit technical field especially relates to a drill bit of adjustable control drilling depth.
Background
In the construction of building engineering and production activities of people, electric drills are used for drilling holes in many occasions. At present, the drilling depth is manually controlled, generally, the drilling is carried out by adopting an observation method through experience, or the drilling depth is deeper, and a foundation structure is easy to damage at certain specific construction positions, so that certain potential safety hazards exist. If the hole is too shallow, repeated operation is needed, repeated attempts can greatly reduce the construction efficiency, the formed hole is easy to be inclined, certain deviation is generated, and the accuracy of subsequent construction is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, it is with low costs, it is convenient to use, but the drill bit of the adjustable control drilling depth of accurate regulation and control drilling depth.
The technical problem to be solved is that: the traditional drill bit can not accurately control the drilling depth, can not be flexibly adjusted, has complex construction process and low efficiency, and has certain potential safety hazard.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model discloses a drill bit capable of adjusting and controlling the drilling depth, which comprises a cutting head, a connecting handle rod and an adjusting ring arranged on the connecting handle rod;
the adjusting ring is sleeved outside the connecting handle rod and fixed with the connecting handle rod through a fixing bolt, the fixing bolt vertically penetrates through the side wall of the adjusting ring along the diameter direction of the adjusting ring to extend into the ring to be attached to the outer wall of the connecting handle rod, a fixing block is arranged on the inner wall of the adjusting ring at a position opposite to the fixing bolt, and the inner end face of the fixing block is attached to the outer wall of the connecting handle rod;
one side end face of the adjusting ring on the outer side of the fixing block sinks to form a mounting groove, and a measuring assembly is arranged in the mounting groove.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, the adjustable ring is the circular clitellum of steel system that the wall thickness is not less than 10mm, and the width is 20-30 mm.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, fixing bolt's tip is the indent cambered surface, and the indent cambered surface matches with the connection handle pole outer wall and merges the laminating setting.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, fixed block one end is made with adjustable ring inner wall an organic whole, a relative terminal surface for with connect handle pole outer wall matched with indent cambered surface.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, still be provided with a pair of balance reinforcing bolt on the adjustable ring, balance reinforcing bolt symmetry sets up on the adjustable ring between fixing bolt and fixed block.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, the lateral wall that the adjustable ring was passed perpendicularly along the diametral (al) of adjustable ring to the balance reinforcement bolt extends the intra-annular and outer wall laminating setting of being connected the handle pole.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, the tip of balance reinforcement bolt is the indent cambered surface, and the indent cambered surface matches with the connection handle pole outer wall and merges the laminating setting.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, measuring component includes the tape cassette and twines the automatic scale tape that receive and releases in the tape cassette.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, the ribbon cartridge is connected fixedly through fixed connecting rod and mounting groove both sides wall.
The utility model discloses but the drill bit of adjustable control drilling depth, it is further, fixing bolt and balance reinforcing bolt's length is no longer than 40 mm.
The utility model discloses but the drill bit of adjustable control drilling depth compares with prior art, has following beneficial effect:
the drill bit capable of adjusting and controlling the drilling depth of the utility model is detachably provided with the adjusting ring outside the conventional drill bit, and when the drill bit drills into the position of the adjusting ring, the drill bit can not continue to drill, so as to control the drilling depth; the improved drill bit is suitable for improvement of most conventional drill bits, simple in structure and convenient and flexible to use, the adjusting ring is fixed on a connecting handle rod of the drill bit through the butt clamp of the fixing bolt and the fixing block, the balance reinforcing bolts are symmetrically arranged between the fixing bolt and the fixing block, the connection firmness of the adjusting ring and the drill bit is greatly improved, and all components are symmetrically arranged and are balanced when rotating at high speed along with the drill bit, so that the drill bit cannot be damaged.
The utility model discloses still be provided with measuring unit on the adjustable ring, can the distance of accurate measurement adjustable ring and drill bit tip, it is convenient to use, and control is accurate. The adjustable ring can be dismantled and connect, can used repeatedly, and the on-the-spot turnover flexibility is good.
The utility model discloses the adjustable ring passes through the bolt and the drill bit clamping, when being connected with the drill bit of different specifications, even when the central axis of drill bit has slight deviation with the axis of adjustable ring, also can not cause too big influence to the construction of creeping into, demolish the balance reinforcing bolt of both sides, can not influence the utility model discloses the normal use of drill bit.
The drill bit capable of adjusting and controlling the drilling depth of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a drill bit for controlling the depth of a drilled hole according to the present invention;
FIG. 2 is a schematic view of the adjusting ring;
fig. 3 is a schematic structural diagram of another embodiment.
Reference numerals:
1-connecting a handle rod; 2-an adjustment ring; 3-fixing the bolt; 4, fixing blocks; 5-balancing and reinforcing bolts; 6-mounting grooves; 7-a ribbon cartridge; 8-scale band; 9-fixed connecting rod.
Detailed Description
As shown in fig. 1 to 3, the drill bit of the present invention comprises a cutting head, a connecting rod 1 and a detachable adjusting ring 2 fixed on the connecting rod 1, wherein the cutting head and the connecting rod 1 are integrally formed.
As shown in fig. 1, the adjusting ring 2 is a circular steel ring belt with a wall thickness not less than 10mm, the circular steel ring belt is sleeved outside the connecting handle rod 1, the width of the circular steel ring belt is 20-30mm, the adjusting ring 2 is fixed with the connecting handle rod 1 through a fixing bolt 3, the fixing bolt 3 vertically penetrates through the side wall of the adjusting ring 2 along the diameter direction of the adjusting ring 2 to extend into the ring and is attached to the outer wall of the connecting handle rod 1, the end part of the fixing bolt 3 is an inward concave arc surface, and the inward concave arc surface is matched with and attached to the outer wall; the position relative to fixing bolt 3 on the 2 inner walls of adjustable ring is provided with fixed block 4, and fixed block 4 one end and 2 inner walls of adjustable ring welded fastening or an organic whole make, relative terminal surface be with connect 1 outer wall matched with indent cambered surface of handle pole to with connect 1 outer wall laminating setting of handle pole.
As shown in fig. 2 and 3, a pair of balance reinforcing bolts 5 are further arranged on the adjusting ring 2, the balance reinforcing bolts 5 are symmetrically arranged on the adjusting ring 2 between the fixing bolts 3 and the fixing block 4, vertically penetrate through the side wall of the adjusting ring 2 along the diameter direction of the adjusting ring 2 to extend into the ring and are attached to the outer wall of the connecting handle rod 1, the end part of each balance reinforcing bolt 5 is an inward concave arc surface, and the inward concave arc surface is matched and attached to the outer wall of the connecting handle rod 1; two balance reinforcing bolts 5, fixing bolts 3 and fixing blocks 4 are uniformly distributed at intervals along the circumferential direction of the adjusting ring 2 to form a relatively balanced structure, and the balance reinforcing bolts are clamped outside the connecting handle rod 1, so that the balance reinforcing bolts can be more stable and cannot deviate or fall off when rotating at high speed along a drill bit.
The lengths of the fixing bolt 3 and the balance reinforcing bolt 5 are not more than 40 mm.
The end face of one side of the adjusting ring 2 outside the fixing block 4 sinks to form a mounting groove 6, a measuring component is arranged in the mounting groove 6 and comprises a line tape box 7 and a scale tape 8 wound in the line tape box 7, the line tape box 7 is fixedly connected with the two side walls of the mounting groove 6 through a fixing connecting rod 9, and the scale tape 8 can be automatically wound and unwound.
The utility model discloses adjustable control drilling depth's drill bit's application method specifically as follows:
sleeving the adjusting ring 2 from the cutting head of the drill bit, pulling the end part of the scale belt 8 to enable the scale belt 8 to be parallel to the drill bit, aligning the end part of the scale belt 8 with the end of the cutting head, sliding the adjusting ring 2 along the length direction of the drill bit according to the requirement of the drilling depth, confirming a fixed position, attaching the outer wall of the connecting handle rod 1 to the concave cambered surface of the fixed block 4, screwing the fixing bolt 3, and attaching and fastening the end part of the fixing bolt 3 to the outer wall of the connecting handle rod 1; then the scale belt 8 is folded, the balance reinforcing bolts 5 on the two sides are respectively screwed down, the fixing of the adjusting ring 2 is completed, and the drilling construction can be carried out. From this, can adjust the drilling depth of control in a flexible way to through 8 accurate measurement drilling depths in scale band, it is convenient to use, and the regulation degree of accuracy is high.
When the drill bit is driven to the designed depth, the operation can be stopped because the drilling can not be continued due to the limitation of the adjusting ring 2, thereby achieving the control of the drilling depth.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. Drill bit of adjustable control drilling depth, its characterized in that: comprises a cutting head, a connecting handle rod (1) and an adjusting ring (2) arranged on the connecting handle rod (1);
the adjusting ring (2) is sleeved outside the connecting handle rod (1) and fixed with the connecting handle rod (1) through a fixing bolt (3), the fixing bolt (3) vertically penetrates through the side wall of the adjusting ring (2) along the diameter direction of the adjusting ring (2) to extend into the ring and is attached to the outer wall of the connecting handle rod (1), a fixing block (4) is arranged on the inner wall of the adjusting ring (2) at a position opposite to the fixing bolt (3), and the inner end face of the fixing block (4) is attached to the outer wall of the connecting handle rod (1);
the end face of one side of the adjusting ring (2) on the outer side of the fixing block (4) sinks to form a mounting groove (6), and a measuring assembly is arranged in the mounting groove (6).
2. The adjustable control drilling depth drill bit of claim 1, wherein: the adjusting ring (2) is a steel circular ring belt with the wall thickness not less than 10mm and the width of 20-30 mm.
3. The adjustable control drilling depth drill bit of claim 1, wherein: the end part of the fixing bolt (3) is an inwards concave cambered surface which is matched with the outer wall of the connecting handle rod (1) and is attached to the outer wall of the connecting handle rod.
4. The adjustable control drilling depth drill bit of claim 1, wherein: one end of the fixing block (4) is integrally manufactured with the inner wall of the adjusting ring (2), and the opposite end surface is an inwards concave cambered surface matched with the outer wall of the connecting handle rod (1).
5. The adjustable control drilling depth drill bit of claim 1, wherein: still be provided with a pair of balance reinforcing bolt (5) on adjustable ring (2), balance reinforcing bolt (5) symmetry sets up on adjustable ring (2) between fixing bolt (3) and fixed block (4).
6. The adjustable control drilling depth drill bit of claim 5, wherein: the balance reinforcing bolt (5) vertically penetrates through the side wall of the adjusting ring (2) along the diameter direction of the adjusting ring (2) to extend into the ring to be attached to the outer wall of the connecting handle rod (1).
7. The adjustable control drilling depth drill bit of claim 5, wherein: the end part of the balance reinforcing bolt (5) is an inwards concave cambered surface which is matched with the outer wall of the connecting handle rod (1) and is attached to the outer wall of the connecting handle rod.
8. The adjustable control drilling depth drill bit of claim 1, wherein: the measuring assembly comprises a line tape box (7) and a scale tape (8) which is wound in the line tape box (7) and automatically wound.
9. The adjustable control drilling depth drill bit of claim 8, wherein: the line belt box (7) is fixedly connected with two side walls of the mounting groove (6) through a fixing connecting rod (9).
10. The adjustable control drilling depth drill bit of claim 5, wherein: the lengths of the fixing bolt (3) and the balance reinforcing bolt (5) are not more than 40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994528.3U CN210115494U (en) | 2019-06-28 | 2019-06-28 | Drill bit capable of adjusting and controlling drilling depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994528.3U CN210115494U (en) | 2019-06-28 | 2019-06-28 | Drill bit capable of adjusting and controlling drilling depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210115494U true CN210115494U (en) | 2020-02-28 |
Family
ID=69616338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994528.3U Expired - Fee Related CN210115494U (en) | 2019-06-28 | 2019-06-28 | Drill bit capable of adjusting and controlling drilling depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210115494U (en) |
-
2019
- 2019-06-28 CN CN201920994528.3U patent/CN210115494U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 Termination date: 20210628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |