CN220901961U - Quick detach drill bit connection structure - Google Patents

Abstract

The utility model relates to the technical field of drill bit installation and discloses a quick-dismantling drill bit connecting structure which comprises a machine body, wherein a female connector is arranged on the right side of the machine body, a handle is arranged on the lower surface of the machine body, a male connector is arranged on the right side of the female connector, a cavity is formed in the right side surface of a groove, a groove is formed in the upper surface of the male connector, a bidirectional screw is arranged on the lower thread of the inner wall of the groove, a connecting shaft is arranged at the upper end of the bidirectional screw, and a nut is arranged at the upper end of the connecting shaft. According to the utility model, through the arrangement of the structure clamping mechanism, the bidirectional screw rod and the connecting shaft are driven to rotate together by directly rotating the nut during disassembly and assembly, and simultaneously, the two clamping blocks are driven to clamp the drill bit, so that the drill bit is clamped more firmly by matching with the limiting component, the nut is reversely rotated during assembly, the drill bit can be fixed in a contact manner, the disassembly and assembly are convenient and quick, and meanwhile, the grooves are not required to be disassembled repeatedly, so that the stability of the drill bit is better during later-stage work, and the drill bit is convenient to use.

Description

Quick detach drill bit connection structure

Technical Field

The utility model belongs to the technical field of drill bit installation, and particularly relates to a quick-dismantling drill bit connecting structure.

Background

The drill bit is generally matched with an electric drill, the electric drill is a conventional product in an electric tool, and is also an electric tool product with the largest demand, and the principle of the electric drill is that a motor rotor of an electromagnetic rotary or electromagnetic reciprocating type small-capacity motor does magnetic field cutting work, and a driving mechanism drives a working device to drive a gear to increase the power of the drill bit, so that the drill bit scrapes the surface of an object, and the object is better penetrated.

At present, when the drill bit of the existing electric drill is detached and installed, the male connector connected with the female connector on the electric drill is required to be detached firstly, then the drill bit in the male connector is detached, the disassembly and the assembly are inconvenient, meanwhile, the parts are easy to wear due to repeated disassembly, the stability of the later-stage drill bit is poor during operation, the use effect is affected, and therefore the quick-disassembly drill bit connecting structure is required to meet the demands of people.

Disclosure of utility model

The utility model aims to provide a quick-dismantling drill bit connecting structure, which solves the problems that the disassembly and assembly are very inconvenient, and parts are easy to wear due to repeated disassembly, so that the stability of a later-stage drill bit is poor during working, and the using effect is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a quick detach drill bit connection structure, includes the fuselage, the right side of fuselage is provided with female joint, and the lower surface mounting of fuselage has the handle, and male joint is installed on the right side of female joint, and the cavity is seted up on the right side surface of recess, and the upper surface of male joint is seted up flutedly, and the bidirectional screw is installed to the below screw thread of recess inner wall, and the connecting axle is installed to the upper end of bidirectional screw, and the nut is installed to the upper end of connecting axle, and the pole wall of bidirectional screw is provided with fixture, and the standing groove has been seted up to the below of cavity inner wall, and the inner wall at the standing groove is installed in the lower extreme rotation of bidirectional screw.

Preferably, the fixture includes two clamp splice, and two clamp splice equal screw thread installs the wall at the pole of two-way screw rod, and the dog is all installed to the inner wall of two clamp splice, and the right side of two dogs is provided with the drill bit, and the draw-in groove has been seted up to the outer wall of drill bit, and the lug is all installed on the right side of two clamp splice inner walls, and the left and right sides of two clamp splice all is provided with spacing subassembly.

Preferably, the limiting assembly comprises a plurality of limiting blocks, the surfaces of the opposite sides of the corresponding group of limiting blocks are fixed with the surfaces of the front side and the rear side of the corresponding clamping blocks, limiting grooves are formed in the surfaces of the front side and the rear side of the inner wall of the cavity, and the corresponding group of limiting blocks are respectively and slidably mounted on the inner wall of the corresponding limiting grooves.

Preferably, the two protruding blocks are respectively arranged in the corresponding clamping grooves, and the drill bit is commonly arranged on the surface of one side opposite to the two clamping blocks.

Preferably, a limit spring is arranged below the inner wall of the groove, a limit sleeve is arranged at the upper end of the limit spring, and a fixing groove is formed in the upper surface of the limit sleeve.

Preferably, a sliding groove is formed in the left side of the inner wall of the groove, and one side surface of the limiting sleeve is slidably arranged in the sliding groove.

Preferably, a button is arranged on one side surface of the limiting sleeve, and anti-slip pads are arranged on the opposite side surfaces of the two clamping blocks.

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

Through structure fixture's setting for direct through rotating the nut when dismantling the installation, drive two-way screw rod and connecting axle and rotate together, drive two clamp splice simultaneously and press from both sides tight operation to the drill bit, cooperation spacing subassembly makes to the drill bit press from both sides tightly more firm, reverse rotation nut during the installation, can be fixed to the drill bit contact, easy dismounting is swift, need not dismantle the recess repeatedly simultaneously, makes the drill bit stability better at later stage during operation, convenient to use.

Through setting up of structure spacing spring, stop collar, fixed slot, sliding tray, button, need rotate the nut earlier and just can accomplish the dismantlement to the drill bit when equipment uses, for preventing that the nut is not fixed, screw up the back at the nut, push away the outside of recess through the reaction of spacing spring with the stop collar, utilize the fixed slot to fix the outer wall of nut simultaneously, prevent that the nut from appearing not hard up condition during operation to the practicality of this device has been improved.

Drawings

Fig. 1 is a schematic perspective view of a quick-release drill bit connecting structure according to the present utility model;

Fig. 2 is a schematic diagram of a 5, 6, 10, 14 section connection structure of a quick-release drill bit connection structure according to the present utility model;

FIG. 3 is a schematic view of the enlarged structure of FIG. 2 showing a quick-release drill bit connection structure according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a quick-release drill connecting structure according to the present utility model;

fig. 5 is an enlarged schematic view of the structure B in fig. 4 of a quick-release drill bit connecting structure according to the present utility model.

Reference numerals illustrate:

1. A body; 2. a grip; 3. a female joint; 4. a male connector; 5. a groove; 6. a bidirectional screw; 7. a connecting shaft; 8. a nut; 9. a placement groove; 10. clamping blocks; 11. a stop block; 12. a bump; 13. a clamping groove; 14. a drill bit; 15. a cavity; 16. a limit groove; 17. a limiting block; 18. an anti-slip pad; 19. a limit spring; 20. a limit sleeve; 21. a fixing groove; 22. a sliding groove; 23. a button.

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. 1-5, a quick detach drill bit connection structure, including fuselage 1, the right side of fuselage 1 is provided with female joint 3, the lower surface mounting of fuselage 1 has handle 2, male joint 4 is installed on the right side of female joint 3, cavity 15 has been seted up on the right side surface of recess 5, recess 5 has been seted up to the upper surface of male joint 4, bidirectional screw rod 6 is installed to the below screw thread of recess 5 inner wall, connecting axle 7 is installed to the upper end of bidirectional screw rod 6, nut 8 is installed to the upper end of connecting axle 7, the pole wall of bidirectional screw rod 6 is provided with fixture, standing groove 9 has been seted up to the below of cavity 15 inner wall, the lower extreme rotation of bidirectional screw rod 6 is installed at the inner wall of standing groove 9, through structure fixture's setting, make direct through rotating nut 8 during the dismantlement installation, drive bidirectional screw rod 6 and connecting axle 7 rotate together, drive two clamp blocks 10 and press from both sides tight operation to drill bit 14 simultaneously, cooperation limiting component, make to the firm of pressing from both sides tight, reverse rotation nut 8 during installation, can be fixed to drill bit 14 contact, easy dismounting, and quick and convenient to detach 5 does not need to dismantle recess 5 repeatedly, make bit 14 in later stage work when using better stability.

As shown in fig. 2 and 5, the clamping mechanism comprises two clamping blocks 10, the two clamping blocks 10 are all installed on the rod wall of the bidirectional screw rod 6 in a threaded manner, the stop blocks 11 are all installed on the inner walls of the two clamping blocks 10, the drill bit 14 is arranged on the right sides of the two stop blocks 11, the clamping groove 13 is formed in the outer wall of the drill bit 14, the protruding blocks 12 are all installed on the right sides of the inner walls of the two clamping blocks 10, and limit components are arranged on the left side and the right side of the two clamping blocks 10, so that the bidirectional screw rod 6 and the connecting shaft 7 are driven to rotate together through the rotating nut 8 during disassembly and installation, the two clamping blocks 10 are driven to clamp the drill bit 14 simultaneously, the limit components comprise a plurality of limit blocks 17, the opposite side surfaces of the corresponding one group of limit blocks 17 are all fixed with the front side and the rear side surfaces of the corresponding clamping blocks 10, the front side and the rear side surfaces of the inner wall of the cavity 15 are all provided with limit grooves 16, the corresponding one group of limit blocks 17 are respectively and slidably installed on the inner walls of the corresponding limit grooves 16, and the setting of the limit grooves 16 and the limit blocks 17 are more stable and firm during use of the drill bit 14.

As shown in fig. 2 and 3, two lugs 12 are respectively arranged in the corresponding clamping grooves 13, the drill bit 14 is jointly arranged on the surface of one opposite side of the two clamping blocks 10, the limiting spring 19 is arranged below the inner wall of the groove 5, the limiting sleeve 20 is arranged at the upper end of the limiting spring 19, the fixing groove 21 is formed in the upper surface of the limiting sleeve 20, the sliding groove 22 is formed in the left side of the inner wall of the groove 5, one side surface of the limiting sleeve 20 is slidably arranged in the sliding groove 22, in order to prevent the nut 8 from being well fixed, after the nut 8 is screwed, the limiting sleeve 20 is pushed to the outside of the groove 5 through the reaction of the limiting spring 19, and meanwhile, the outer wall of the nut 8 is fixed by the fixing groove 21, so that the loosening condition of the nut 8 during working is prevented, and the practicability of the device is improved.

As shown in fig. 5, a button 23 is installed on one side surface of the stop collar 20, anti-slip pads 18 are provided on the opposite side surfaces of the two clamping blocks 10, the stop collar 20 is conveniently pressed by the stop collar 20, and the fixing effect is better when the drill bit 14 is fixed by the anti-slip pads 18.

The working principle of the utility model is as follows:

All electrical equipment of this device is opened through external power supply, push button 23 downwards during the use, until nut 8 exposes, then rotate nut 8 through the spanner, drive connecting axle 7 and rotate together, drive bi-directional screw 6 through connecting axle 7 and also rotate together, it moves to opposite side direction to drive two clamp splice 10 along the outer wall of bi-directional screw 6 during the rotation, until the clamping fixation is released to drill bit 14, thereby realized dismantling fast to drill bit 14, two clamp splice 10 is when removing, the stopper 17 of drive both sides slides at the inner wall of spacing groove 16 together, remove spacing clamp splice 10 and stopper 17 through spacing groove 16, prevent that the position from taking place the skew during the removal, during the installation simultaneously, insert drill bit 14 along the inner wall of clamp splice 10, until drill bit 14 one end touches dog 11, make draw-in groove 13 just block the inside at lug 12, make drill bit 14 after pressing from both sides more stable during the use, the dismouting is also more convenient simultaneously.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. The utility model provides a quick detach drill bit connection structure, includes fuselage (1), its characterized in that: the utility model discloses a machine body, including fuselage (1), including female joint (3), male joint (4), recess (5), cavity (15) are seted up on the right side surface of recess (5), bi-directional screw (6) are installed to the below screw thread of recess (5) inner wall, connecting axle (7) are installed to the upper end of bi-directional screw (6), nut (8) are installed to the upper end of connecting axle (7), the lever wall of bi-directional screw (6) is provided with fixture, standing groove (9) are seted up to the below of cavity (15) inner wall, the inner wall at standing groove (9) is installed in the lower extreme rotation of bi-directional screw (6).

2. The quick release drill bit connecting structure according to claim 1, wherein: clamping mechanism includes two clamp splice (10), two equal screw thread of clamp splice (10) is installed at the pole wall of bi-directional screw rod (6), two dog (11) are all installed to the inner wall of clamp splice (10), two the right side of dog (11) is provided with drill bit (14), draw-in groove (13) have been seted up to the outer wall of drill bit (14), two lug (12) are all installed on the right side of clamp splice (10) inner wall, two the left and right sides of clamp splice (10) all is provided with spacing subassembly.

3. The quick release drill bit connecting structure according to claim 2, wherein: the limiting assembly comprises a plurality of limiting blocks (17), wherein the surfaces of one opposite side of each limiting block (17) are fixed with the surfaces of the front side and the rear side of the corresponding clamping block (10), limiting grooves (16) are formed in the surfaces of the front side and the rear side of the inner wall of the cavity (15), and the corresponding limiting blocks (17) are respectively and slidably mounted on the inner wall of the corresponding limiting grooves (16).

4. The quick release drill bit connecting structure according to claim 2, wherein: the two protruding blocks (12) are respectively arranged in the corresponding clamping grooves (13), and the drill bit (14) is commonly arranged on the surface of one side opposite to the clamping block (10).

5. The quick release drill bit connecting structure according to claim 1, wherein: the limiting spring (19) is installed below the inner wall of the groove (5), the limiting sleeve (20) is installed at the upper end of the limiting spring (19), the fixing groove (21) is formed in the upper surface of the limiting sleeve (20), and the button (23) is installed on one side surface of the limiting sleeve (20).

6. The quick release drill bit connecting structure of claim 5, wherein: the left side of the inner wall of the groove (5) is provided with a sliding groove (22), and one side surface of the limit sleeve (20) is slidably arranged in the sliding groove (22).

7. The quick release drill bit connecting structure of claim 4, wherein: the opposite side surfaces of the two clamping blocks (10) are provided with anti-slip pads (18).