CN219358030U - Diameter-adjustable drill bit - Google Patents
Diameter-adjustable drill bit Download PDFInfo
- Publication number
- CN219358030U CN219358030U CN202223178755.XU CN202223178755U CN219358030U CN 219358030 U CN219358030 U CN 219358030U CN 202223178755 U CN202223178755 U CN 202223178755U CN 219358030 U CN219358030 U CN 219358030U
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- Prior art keywords
- drill bit
- hole
- connector
- head
- piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of drills and discloses a drill with an adjustable diameter, which comprises a connecting part arranged on a transmission device, wherein a rotating hole part for clamping an opening is arranged at the top of the connecting part, the connecting part is movably connected with the rotating hole part, the connecting part comprises a connector, a limit chute is arranged at the top of the connector, an adjusting part extending to the surface of the connector is movably connected in the connector, a vertical transmission part is transmitted by the adjusting part, a worm roller is fixedly connected to the outer surface of the vertical transmission part, and a transverse transmission part is transmitted through the worm roller. This diameter adjustable drill bit carries out spacingly through seting up spacing spout to changeing the hole tool bit at the top of connector, then transmits perpendicular driving medium through the regulating part to drive a plurality of horizontal driving medium rotations through the worm roller on the perpendicular driving medium, thereby make changeing the hole tool bit and stretch out and draw back the diameter that promotes the trompil, reached adjustable effect between the drilling.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to a drill bit with an adjustable diameter.
Background
The drill bit is a device for rotating holes, the drill bit is driven to rotate through a transmission device, and holes are formed in the opposite sides of the cutter head of the drill bit.
In the process of using the drill bit, according to the difference of trompil to need to use the drill bit of different diameters to offer corresponding hole, find in the in-process of construction, often need offer a plurality of holes of different diameters in the same construction project, thereby in the in-process of trompil, need often change the drill bit of different diameters and use, just also lead to carrying the drill bit of multiple diameter, and often can take the drill bit less, thereby cause inconvenience to the construction.
It can be seen that there is a need for a drill bit with an adjustable diameter for ease of use in construction for different diameter hole opening requirements.
Disclosure of Invention
The present utility model is directed to a drill bit with an adjustable diameter, so as to solve the above-mentioned problems in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme: the drill bit with the adjustable diameter comprises a connecting part arranged on transmission equipment, wherein a rotating hole part for clamping an opening is arranged at the top of the connecting part, and the connecting part is movably connected with the rotating hole part;
the connecting part comprises a connector, a limit chute is formed in the top of the connector, an adjusting piece extending to the surface of the connector is movably connected in the connector, a vertical transmission piece is driven by the adjusting piece, a worm roller is fixedly connected to the outer surface of the vertical transmission piece, and a transverse transmission piece is driven by the worm roller;
the hole rotating part comprises a hole rotating tool bit movably connected inside a limiting chute, the bottom of the hole rotating tool bit is fixedly connected with a sliding block, a limiting plate is arranged at the top end of the sliding block, a threaded hole is formed in the limiting plate and is in threaded connection with a transverse transmission piece, and a tool slot is formed in the top of the hole rotating tool bit.
Preferably, one end of the adjusting piece is an inner hexagonal bolt head, and the other end of the adjusting piece is a bevel gear.
Preferably, the inner hexagonal bolt head on the adjusting piece is sunk in the connector, and the bevel gear on the adjusting piece is meshed with the bottom of the vertical transmission piece.
Preferably, the tail part of the transverse transmission member is fixedly connected with a gear, the gear is meshed with the worm roller, and the transverse transmission member extends to the inside of the limit chute and does not exceed the outer surface of the connector.
Preferably, the axis at the top of the connector is fixedly connected with an auxiliary drill bit, and the length of the auxiliary drill bit is greater than that of the rotary hole cutter head.
Preferably, the bottoms of the hole rotating cutter head, the sliding block and the limiting plate are horizontal, and the bottoms of the hole rotating cutter head and the bottoms of the limiting sliding grooves are overlapped.
Preferably, the limiting plate extends to the inner wall of the limiting chute, the rotary hole cutter heads are distributed at equal intervals, and the inclined planes of the cutter grooves on the rotary hole cutter heads are equal in direction.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the limiting sliding groove is formed in the top of the connector to limit the rotary hole cutter head, and then the adjusting piece is used for driving the vertical transmission piece, so that the worm roller on the vertical transmission piece drives the plurality of transverse transmission pieces to rotate, the rotary hole cutter head stretches to lift the diameter of the open hole, and the adjustable effect between drilling holes is achieved.
According to the utility model, the worm roller is fixedly connected to the outer surface of the vertical transmission member, the transverse transmission member is driven to rotate by the worm roller to realize the interval change between the rotary hole cutter heads, the self-locking characteristic of the worm roller is used for keeping the rotation angle of the transverse transmission member stable, and the auxiliary drill bit is fixedly connected to the axle center of the top of the connector, so that the point of the auxiliary drill bit is used as the rotation axle center during hole rotation, the deviation is avoided, and the effect of improving the drilling precision is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a connecting portion structure of the present utility model;
FIG. 3 is a schematic view of the internal transmission connection of the connector of the present utility model;
fig. 4 is a schematic view of the structure of the hole turning part of the present utility model.
Wherein: 1. a connection part; 101. a connector; 102. limiting sliding grooves; 103. an adjusting member; 104. a vertical transmission member; 105. a worm roller; 106. a transverse transmission member; 107. an auxiliary drill bit; 2. a turning hole part; 201. a hole turning tool bit; 202. a slide block; 203. a limiting plate; 204. a threaded hole; 205. knife slot.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a drill bit with adjustable diameter comprises a connecting part 1 arranged on transmission equipment, wherein a rotating hole part 2 for clamping an opening is arranged at the top of the connecting part 1, and the connecting part 1 is movably connected with the rotating hole part 2;
the connecting part 1 comprises a connector 101, a limit chute 102 is formed in the top of the connector 101, an adjusting piece 103 extending to the surface of the connector 101 is movably connected in the connector 101, a vertical transmission piece 104 is transmitted by the adjusting piece 103, a worm roller 105 is fixedly connected to the outer surface of the vertical transmission piece 104, and a transverse transmission piece 106 is transmitted through the worm roller 105;
the hole rotating part 2 comprises a hole rotating cutter head 201 movably connected inside the limiting sliding groove 102, a sliding block 202 is fixedly connected to the bottom of the hole rotating cutter head 201, a limiting plate 203 is arranged at the top end of the sliding block 202, a threaded hole 204 is formed in the limiting plate 203 in threaded connection with the transverse transmission member 106, and a cutter groove 205 is formed in the top of the hole rotating cutter head 201.
Through the technical scheme, the limiting chute 102 is formed in the top of the connector 101 to limit the rotary hole cutter head 201, and then the adjusting piece 103 is used for driving the vertical transmission piece 104, so that the worm roller 105 on the vertical transmission piece 104 drives the plurality of transverse transmission pieces 106 to rotate, the rotary hole cutter head 201 stretches to improve the diameter of a hole, and the adjustable effect between drilling holes is achieved;
the worm roller 105 is fixedly connected to the outer surface of the vertical transmission member 104, the worm roller 105 drives the transverse transmission member 106 to rotate by transmitting the transverse transmission member 106 in and out to change the distance between the rotary hole cutter heads 201, the self-locking characteristic of the worm roller 105 is used for keeping the rotation angle of the transverse transmission member 106 stable, and the auxiliary drill bit 107 is fixedly connected to the axle center of the top of the connector 101, so that the point of the auxiliary drill bit 107 is used as the rotation axle center during hole rotation, deviation is avoided, and the effect of improving the drilling precision is achieved.
Specifically, one end of the adjusting member 103 is a hexagon socket head, and the other end of the adjusting member 103 is a bevel gear.
Through the technical scheme, one end of the adjusting piece 103 is provided with the hexagonal bolt head, so that the adjusting piece 103 is conveniently rotated by using a screwdriver to realize transmission of the adjusting piece 103, and the vertical transmission piece 104 is transmitted through meshing of the bevel gears.
Specifically, the hexagon socket head on the adjusting member 103 is trapped inside the connector 101, and the bevel gear on the adjusting member 103 is meshed with the bottom of the vertical transmission member 104.
Through above-mentioned technical scheme, with the interior hexagonal bolt head of regulating part 103 subsides in the inside of connector 101 to when connector 101 bore into the hole inside, regulating part 103 can not cause the hindrance of drilling, and carries out the transmission through the helical gear of meshing, makes perpendicular driving member 104 can rotate, thereby realizes the transmission of power in the interval between the regulation change hole tool bit 201.
Specifically, the tail of the transverse transmission member 106 is fixedly connected with a gear, the gear is meshed with the worm roller 105, the transverse transmission member 106 extends to the inside of the limit chute 102, and the length of the transverse transmission member 106 does not exceed the outer surface of the connector 101.
Through the above technical scheme, a gear is arranged at the tail part of the transverse transmission member 106, and the transmission is realized through the engagement between the gear and the worm roller 105, so as to push the hole rotating cutter head 201 to adjust the interval between the two.
Specifically, the axis of the top of the connector 101 is fixedly connected with an auxiliary drill bit 107, and the length of the auxiliary drill bit 107 is greater than that of the hole turning cutter 201.
Through above-mentioned technical scheme, at the axle center fixed connection auxiliary drill bit 107 at connector 101 top to when drilling, advance drilling through auxiliary drill bit 107 and fix a position, take place to slide when avoiding changeing hole tool bit 201 and drilling face contact, in order to promote the accuracy of changeing the hole position.
Specifically, the bottoms of the hole rotating cutter head 201, the sliding block 202 and the limiting plate 203 are horizontal, and the bottom of the hole rotating cutter head 201 is overlapped with the bottom of the limiting chute 102.
Through the above technical scheme, the bottoms of the rotary hole cutter 201, the sliding block 202 and the limiting plate 203 are horizontal, so that the stress surface of the rotary hole cutter 201 in the limiting chute 102 is increased, and the strength of the rotary hole cutter 201 during drilling is improved.
Specifically, the limiting plate 203 extends to the inner wall of the limiting chute 102, the hole rotating cutter heads 201 are distributed at equal intervals, and the inclined planes of the cutter grooves 205 on the hole rotating cutter heads 201 are equal.
Through the above technical scheme, the limiting plate 203 extends to two sides of the inner wall of the limiting chute 102, so that the moving track of the rotary hole cutter 201 is limited, the rotary hole cutter 201 can be prevented from shaking in the process of drilling holes through limiting, and the shaking space is reduced.
When the drilling tool is used, the limiting chute 102 is formed in the top of the connector 101 to limit the drilling tool bit 201, and then the adjusting piece 103 is used for driving the vertical transmission piece 104, so that the worm roller 105 on the vertical transmission piece 104 drives the plurality of transverse transmission pieces 106 to rotate, the drilling tool bit 201 stretches to lift the diameter of a hole, and the effect of adjustability between drilling holes is achieved;
the worm roller 105 is fixedly connected to the outer surface of the vertical transmission member 104, the worm roller 105 drives the transverse transmission member 106 to rotate by transmitting the transverse transmission member 106 in and out to change the distance between the rotary hole cutter heads 201, the self-locking characteristic of the worm roller 105 is used for keeping the rotation angle of the transverse transmission member 106 stable, and the auxiliary drill bit 107 is fixedly connected to the axle center of the top of the connector 101, so that the point of the auxiliary drill bit 107 is used as the rotation axle center during hole rotation, deviation is avoided, and the effect of improving the drilling precision is achieved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a diameter adjustable drill bit, includes connecting portion (1) of installing on transmission equipment, the change hole portion (2) that are used for calorie trompil are installed at the top of connecting portion (1), its characterized in that: the connecting part (1) is movably connected with the rotating hole part (2);
the connecting part (1) comprises a connecting head (101), a limit chute (102) is formed in the top of the connecting head (101), an adjusting piece (103) extending to the surface of the connecting head (101) is movably connected in the connecting head (101), a vertical transmission piece (104) is driven by the adjusting piece (103), a worm roller (105) is fixedly connected to the outer surface of the vertical transmission piece (104), and a transverse transmission piece (106) is driven by the worm roller (105);
the rotary hole part (2) comprises a rotary hole cutter head (201) movably connected inside the limiting sliding groove (102), a sliding block (202) is fixedly connected to the bottom of the rotary hole cutter head (201), a limiting plate (203) is arranged at the top end of the sliding block (202), a threaded hole (204) is formed in the limiting plate (203) in a threaded mode with the transverse transmission piece (106), and a cutter groove (205) is formed in the top of the rotary hole cutter head (201).
2. A diameter adjustable drill bit according to claim 1, wherein: one end of the adjusting piece (103) is an inner hexagonal bolt head, and the other end of the adjusting piece (103) is a bevel gear.
3. A diameter adjustable drill bit according to claim 2, wherein: the inner hexagonal bolt head on the adjusting piece (103) is sunk in the connector (101), and the bevel gear on the adjusting piece (103) is meshed with the bottom of the vertical transmission piece (104).
4. A diameter adjustable drill bit according to claim 1, wherein: the tail of the transverse transmission piece (106) is fixedly connected with a gear, the gear is meshed with the worm roller (105), the transverse transmission piece (106) extends to the inside of the limit chute (102), and the length of the transverse transmission piece is not more than the outer surface of the connector (101).
5. A diameter adjustable drill bit according to claim 1, wherein: the axis at the top of the connector (101) is fixedly connected with an auxiliary drill bit (107), and the length of the auxiliary drill bit (107) is greater than that of the rotary hole cutter head (201).
6. A diameter adjustable drill bit according to claim 1, wherein: the bottom of the hole rotating cutter head (201), the bottom of the sliding block (202) and the bottom of the limiting plate (203) are horizontal, and the bottom of the hole rotating cutter head (201) is overlapped with the bottom of the limiting chute (102).
7. A diameter adjustable drill bit according to claim 1, wherein: the limiting plates (203) extend to the inner wall of the limiting sliding groove (102), the rotating hole cutter heads (201) are distributed at equal intervals, and the inclined planes of the cutter grooves (205) on the rotating hole cutter heads (201) are equal in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178755.XU CN219358030U (en) | 2022-11-28 | 2022-11-28 | Diameter-adjustable drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178755.XU CN219358030U (en) | 2022-11-28 | 2022-11-28 | Diameter-adjustable drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219358030U true CN219358030U (en) | 2023-07-18 |
Family
ID=87142089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178755.XU Active CN219358030U (en) | 2022-11-28 | 2022-11-28 | Diameter-adjustable drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219358030U (en) |
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2022
- 2022-11-28 CN CN202223178755.XU patent/CN219358030U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |