CN219853245U

CN219853245U - Alloy drill bit convenient to dismantle

Info

Publication number: CN219853245U
Application number: CN202321142424.2U
Authority: CN
Inventors: 张育民; 胡祥辉
Original assignee: Anhui Huizuan Cutting Technology Co ltd
Current assignee: Anhui Huizuan Cutting Technology Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-20
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses an alloy drill bit convenient to detach, and relates to the technical field of alloy drill bits, and the alloy drill bit comprises a drill bit main body, wherein a thread block is arranged in the middle of the top end of the drill bit main body, the outer wall of the thread block is in threaded connection with the inner wall of a thread groove, the thread groove is formed in the middle of the top end of the inner wall of a limit groove, the limit groove is formed in the middle of the outer wall of the bottom end of a limit cylinder, and a rotating rod is fixedly arranged in the middle of the top end of the limit cylinder; the position of the nut can be limited relatively stably under the action of the limiting component, and when the drill bit main body is disassembled, only one group of bolts are required to be rotated to move out of the limiting cylinder, so that the drill bit main body is convenient and fast, the bolts are prevented from loosening when the drill bit main body is rotated through the abutting plate, the stability of the device can be further improved, and meanwhile, the arc-shaped magnetic blocks and the square magnetic blocks are arranged at the bottom end of the bolts, so that the stability of installation can be improved.

Description

Alloy drill bit convenient to dismantle

Technical Field

The utility model relates to the technical field of alloy drill bits, in particular to an alloy drill bit convenient to detach.

Background

The drill bit is a cutter which is used for drilling through holes or blind holes on solid materials and can ream the existing holes, wherein the alloy drill bit is one of the drill bits, the hardness is higher than HRC90 degrees, and the alloy drill bit is suitable for batch processing and hard processing occasions.

The patent number is CN 215966499U's patent discloses an alloy drill bit convenient to install and detach, including drill bit and drilling rod, the drilling rod bottom is equipped with the mounting groove, the drill bit top is inside the mounting groove through first installation mechanism and second installation mechanism, be equipped with stop gear between first installation mechanism and the mounting groove, the drill bit that is equipped with when installing between with the drilling rod, the staff only need earlier with screw thread post threaded connection at screw hole b inside, then rethread revolving handle rotation threaded rod for the threaded rod drives splint and removes in opposite directions, presss from both sides tightly the hexagonal prism, can realize the purpose with drill bit and drilling rod installation, and the same reason, reverse operation can dismantle drill bit and drilling rod, structural design is reasonable and have the function of being convenient for dismouting between drill bit and the drilling rod, labour saving and time saving, the convenience of use uses, be favorable to production efficiency.

The hexagonal prism is clamped through the cooperation of the first installation mechanism and the second installation mechanism, so that the drill bit and the drill rod can be installed, but the alloy drill bit can be detached only by screwing two groups of bolts respectively in the detaching process, so that the operation is troublesome, the threaded connection can be loosened when the alloy drill bit rotates at a high speed, and the unstable situation of the alloy drill bit can be caused.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to overcome the defects in the prior art, and provides the alloy drill bit convenient to detach, so that the alloy drill bit can be detached conveniently and quickly, and the position of the alloy drill bit is more stable when the alloy drill bit rotates.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an alloy drill bit convenient to dismantle, includes the drill bit main part, drill bit main part top middle part is provided with the screw thread piece, and the outer wall threaded connection of screw thread piece is on the inner wall of screw thread groove, the top middle part at spacing inslot wall is seted up to the screw thread groove, and the spacing groove is seted up at spacing section of thick bamboo bottom outer wall middle part, and spacing section of thick bamboo top middle part fixed mounting has the bull stick, the outer wall and the bolt outer wall of a spacing section of thick bamboo carry out threaded connection, and the bolt outer wall middle part carries out threaded connection with the inner wall of drill bit main part, the bolt outer wall threaded connection on spacing section of thick bamboo right side has the nut, and the outer wall of nut is provided with the butt board through spacing subassembly;

the middle part fixed mounting in butt board top has the stopper, and stopper top middle part welding has first spring, first spring top welding is in the middle part of sliding tray top inner wall, and the sliding tray is seted up at the middle part of fixed block bottom outer wall, the outside fixed mounting of fixed block left side is on the outer wall on limit cylinder right side.

Specifically, the top of stopper both sides outer wall all fixed mounting has the slider, and the outer wall sliding connection of slider is on the inner wall of slide rail, the slide rail is all offered at the inner wall middle part of sliding tray both sides symmetrically.

Specifically, the outer wall of butt board bottom glues has the slipmat, and the bottom outer wall of slipmat is equipped with the anti-skidding line.

Specifically, the spring groove has all been seted up to the bottom of spacing groove both sides inner wall symmetry, and the inner wall middle part in the spring groove outside has all welded the second spring, the inboard top of second spring has all welded the movable block, and the inboard outer wall of movable block is provided with the arc magnetic force piece, the outer wall of arc magnetic force piece inserts and establishes on the inner wall in arc groove, and the outer wall in drill bit main part both sides is all seted up to the arc groove symmetry, arc magnetic force piece and square magnetic force piece mutually actuation, and square magnetic force piece sets up on the inboard inner wall in arc groove.

Specifically, the outer sides of the outer walls at the upper end and the lower end of the movable block are embedded with balls in a rolling mode, and the outer walls of the balls are abutted to the inner walls of the spring grooves in a rolling mode.

Specifically, the inner walls at the upper end and the lower end of the arc-shaped groove are arc-shaped.

The utility model has the beneficial effects that:

according to the alloy drill bit convenient to detach, the position of the nut can be limited relatively stably under the action of the limiting assembly, and when the drill bit main body is detached, only one group of bolts are required to be rotated to move out of the limiting cylinder, so that the alloy drill bit is convenient and fast, the bolts can be prevented from loosening when the drill bit main body is rotated through the abutting plate, the stability of the device can be further improved, and meanwhile, the arc-shaped magnetic blocks and the square magnetic blocks are arranged at the bottom ends of the bolts, so that the installation stability can be improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the overall structure of an alloy drill bit convenient to disassemble;

FIG. 2 is a schematic elevational cross-sectional view;

FIG. 3 is a schematic view of a connection structure of a slider and a first spring;

fig. 4 is a schematic diagram of a movable block.

Reference numerals:

1. a bit body; 2. a limiting cylinder; 3. a rotating rod; 4. a screw block; 5. a thread groove; 6. a limit groove; 7. a bolt; 8. a nut; 9. an anti-slip pad; 10. an abutting plate; 11. a limiting block; 12. a first spring; 13. a sliding groove; 14. a slide rail; 15. a slide block; 16. a fixed block; 17. a spring groove; 18. a second spring; 19. a movable block; 20. a ball; 21. an arc-shaped magnetic block; 22. an arc-shaped groove; 23. square magnetic block.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Example 1: in fig. 1-4, including bit body 1, bit body 1 top middle part is provided with screw thread piece 4, and screw thread piece 4's outer wall threaded connection is on screw thread groove 5's inner wall, screw thread groove 5 is offered at the top middle part of spacing groove 6 inner wall, and spacing groove 6 is offered at spacing section of thick bamboo 2 bottom outer wall middle part, and spacing section of thick bamboo 2 top middle part fixed mounting has bull stick 3, spacing section of thick bamboo 2's outer wall carries out threaded connection with bolt 7 outer wall, and bolt 7 outer wall middle part carries out threaded connection with bit body 1's inner wall, spacing section of thick bamboo 2 right side bolt 7 outer wall threaded connection has nut 8, and nut 8's outer wall is provided with butt plate 10 through spacing subassembly, butt plate 10 top middle part fixed mounting has stopper 11, and stopper 11 top middle part welding has first spring 12, first spring 12 top welding is in the middle part of the top inner wall of slide groove 13 top, and slide groove 13 is offered at the middle part of fixed block 16 bottom outer wall, the outside fixed mounting of fixed block 16 left side is on the outer wall of spacing section of thick bamboo 2 right side, the top of stopper 11 both sides outer wall all fixed mounting has slider 15, and slider 15's outer wall sliding connection is on slide rail 14's inner wall, butt plate's outer wall 9, the bottom of butt plate 9 has the anti-slip pad is equipped with at the outer wall of anti-slip pad of symmetry, and the bottom 9 is equipped with the anti-slip pad.

In the embodiment, can be comparatively more stable inject the position of nut 8, and when dismantling drill bit main part 1, only need rotate a set of bolt 7 and shift out in spacing section of thick bamboo 2 with the bolt 7, it is comparatively convenient, and through being provided with butt joint board 10 can avoid drill bit main part 1 when rotating, the bolt 7 produces not hard up moreover, further stability that can improve the device, both sides outer wall at stopper 11 is provided with slider 15, and the outer wall of slider 15 slides on the inner wall of slide rail 14, can make butt joint board 10 carry out spacing to nut 8, the position can not squint, thereby improve spacing assembly's stability, and glue in butt joint board 10's bottom has slipmat 9, can play the guard action to nut 8 because of slipmat 9 is soft material on the one hand, on the other hand slipmat 9 bottom is equipped with the slipmat, frictional force between slipmat 9 and the nut 8 can be increased, make slipmat 9 spacing more stable.

Example 2: in fig. 1-4, spring grooves 17 are symmetrically formed at the bottom ends of inner walls at two sides of a limit groove 6, second springs 18 are welded at the middle parts of inner walls at the outer sides of the spring grooves 17, movable blocks 19 are welded at the top ends of the inner sides of the second springs 18, arc-shaped magnetic blocks 21 are arranged on the outer walls at the inner sides of the movable blocks 19, the outer walls of the arc-shaped magnetic blocks 21 are inserted on the inner walls of arc-shaped grooves 22, the arc-shaped grooves 22 are symmetrically formed on the outer walls at two sides of a drill bit body 1, the arc-shaped magnetic blocks 21 and square-shaped magnetic blocks 23 are mutually attracted, the square-shaped magnetic blocks 23 are arranged on the inner walls at the inner sides of the arc-shaped grooves 22, balls 20 are embedded at the outer sides of the outer walls at the upper end and the lower end of the movable blocks 19 in a rolling manner, the outer walls of the balls 20 are in rolling contact with the inner walls of the spring grooves 17, and the inner walls at the upper end and lower end of the arc-shaped grooves 22 are arc-shaped.

In the embodiment, when the bit body 1 is inserted into the limit groove 6, the outer wall of the bit body 1 presses the movable block 19 against the inner wall of the spring groove 17 to match with the elastic potential energy of the second spring 18, and the rolling action of the balls 20 makes the arc magnetic block 21 continuously move on the outer wall of the bit body 1, when the threaded block 4 completely rotates onto the threaded groove 5, the movable block 19 is driven to be ejected into the inner wall of the arc groove 22 under the rebound action of the second spring 18, and the mutual attraction of the arc magnetic block 21 and the square magnetic block 23 further increases the stability of limiting the bit body 1.

The working principle of the utility model is as follows: when needs are installed bit body 1, pick up bit body 1 and insert in spacing groove 6 with thread block 4, the rolling action of ball 20 is being cooperated under the elastic potential energy effect of second spring 18, make movable block 19 move down on the inner wall of spring groove 17 under the extrusion effect of bit body 1 outer wall, make thread block 4 top butt at the front end of thread groove 5, rotate bit body 1, can carry out the simple prescribing a limit to bit body 1's position under the threaded connection effect of thread block 4 outer wall and thread groove 5 inner wall, the outer wall of movable block 19 slides to on the inner wall of arc groove 22 this moment, arc magnetic force piece 21 and square magnetic force piece 23 are mutually attracted together, the recess at bit body 1 top and the recess of seting up on the inner wall top of spacing groove 6 each other this moment, the sliding action of cooperation slide rail 14 and slider 15 down in the elastic potential energy effect of first spring 12 upwards presses down butt plate 10, make the outer wall butt at the fixed block 16 bottom of butt plate 10 top, pick up bolt 7 again, rotate bolt 7 to the outer wall that is in spacing groove 6 and thread groove 1's the inner wall that can make in the recess 7, make the nut 8 is being dismantled to the outer wall 8 on the side of the opposite direction, can be finished in the step, the nut 8 is being finished to the outer wall that the nut is being dismantled on the side of the nut 8 on the side of the bit body 1.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An alloy drill bit convenient to dismantle, includes bit body (1), its characterized in that: the drill bit comprises a drill bit body (1), wherein a threaded block (4) is arranged in the middle of the top end of the drill bit body (1), the outer wall of the threaded block (4) is in threaded connection with the inner wall of a threaded groove (5), the threaded groove (5) is formed in the middle of the top end of the inner wall of a limit groove (6), the limit groove (6) is formed in the middle of the outer wall of the bottom end of a limit cylinder (2), a rotating rod (3) is fixedly arranged in the middle of the top end of the limit cylinder (2), the outer wall of the limit cylinder (2) is in threaded connection with the outer wall of a bolt (7), the middle of the outer wall of the bolt (7) is in threaded connection with the inner wall of the drill bit body (1), a nut (8) is in threaded connection with the outer wall of the bolt (7) on the right side of the limit cylinder (2), and a butt plate (10) is arranged on the outer wall of the nut (8) through a limit assembly;

the limiting block is fixedly mounted at the middle of the top end of the abutting plate (10), a first spring (12) is welded at the middle of the top end of the limiting block (11), the top end of the first spring (12) is welded at the middle of the inner wall of the top end of the sliding groove (13), the sliding groove (13) is formed in the middle of the outer wall of the bottom end of the fixed block (16), and the outer part of the left side of the fixed block (16) is fixedly mounted on the outer wall of the right side of the limiting cylinder (2).

2. The alloy drill bit convenient to disassemble according to claim 1, wherein: the top ends of the outer walls of the two sides of the limiting block (11) are fixedly provided with sliding blocks (15), the outer walls of the sliding blocks (15) are slidably connected to the inner walls of the sliding rails (14), and the sliding rails (14) are symmetrically arranged in the middle of the inner walls of the two sides of the sliding groove (13).

3. The alloy drill bit convenient to disassemble according to claim 2, wherein: the outer wall of the bottom end of the abutting plate (10) is glued with an anti-slip pad (9), and anti-slip patterns are arranged on the outer wall of the bottom end of the anti-slip pad (9).

4. A readily removable alloy drill bit according to claim 3, wherein: the bottom of spacing groove (6) both sides inner wall all symmetrically has seted up spring groove (17), and the inner wall middle part in spring groove (17) outside has all welded second spring (18), the inboard top of second spring (18) has all welded movable block (19), and the inboard outer wall of movable block (19) is provided with arc magnetic force piece (21), the outer wall of arc magnetic force piece (21) is inserted and is established on the inner wall of arc groove (22), and arc groove (22) all symmetrically set up on the outer wall of drill bit main part (1) both sides, arc magnetic force piece (21) and square magnetic force piece (23) are mutually actuation, and square magnetic force piece (23) set up on the inboard inner wall of arc groove (22).

5. The easy-to-disassemble alloy drill bit according to claim 4, wherein: the outer sides of the outer walls of the upper end and the lower end of the movable block (19) are embedded with balls (20) in a rolling mode, and the outer walls of the balls (20) are abutted against the inner walls of the spring grooves (17) in a rolling mode.

6. The alloy drill bit convenient to disassemble according to claim 5, wherein: the inner walls of the upper end and the lower end of the arc-shaped groove (22) are arc-shaped.