CN218905641U

CN218905641U - Shockproof miniature PCB drill bit

Info

Publication number: CN218905641U
Application number: CN202221678617.5U
Authority: CN
Inventors: 徐强
Original assignee: Dongguan Shengying Electronics Co ltd
Current assignee: Dongguan Shengying Electronics Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-04-25
Anticipated expiration: 2032-07-01

Abstract

The application relates to a shockproof miniature PCB drill bit, which comprises a connecting part and a drill shank arranged on the connecting part, wherein one end of the drill shank is provided with a drilling part, and the drill shank is provided with an adjusting component for shockproof; the connecting portion fixedly connected with installation piece, the installation piece has been seted up and has been used for the gliding slide hole of drill shank, the installation piece be provided with the through-hole of slide hole perpendicular and intercommunication, the spliced eye has been seted up to the drill shank, the installation piece is in sliding connection has the threaded rod in the through-hole, the threaded rod pass behind the through-hole peg graft in the spliced eye, the installation piece is provided with and is used for the drive assembly of threaded rod motion. The application has the effect of ensuring that the drill shank is fixed and stable with the connecting part, and the drill shank is convenient to install and detach.

Description

Shockproof miniature PCB drill bit

Technical Field

The application relates to the technical field of PCB drill bits, in particular to a shockproof miniature PCB drill bit.

Background

At present, the PCB drill bit is mainly used for PCB manufacture: the name of PCB is printed circuit board, also called printed circuit board, which is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

The Chinese patent with publication number CN210648685U discloses a miniature PCB drill bit takes precautions against earthquakes, including connecting portion, connecting portion's one end embedding slidable mounting has the drill shank, the one end of drill shank is provided with drilling portion, the louvre has evenly been seted up to drilling portion's front surface, the one end surface of drill shank cup joints and rotates installs the bearing, the upper and lower surface of bearing is all fixed and is provided with the stopper, one side horizontal connection of stopper has the telescopic link. This miniature PCB drill bit that shock resistance is good, through the one end fixedly connected with gasket of telescopic link, the surface of telescopic link cup joints and is provided with supporting spring, when drilling the PCB board, can pad the gasket on the PCB board to play the stabilization effect to drilling portion, prevent when drilling, the drill bit takes place to rock and has influenced the effect of drilling, can carry out more accurate drilling work to the PCB board through the device, improves the efficiency of work.

The related art in the above has the following drawbacks: when the slide bar drives the insert to separate from the slot, the drill bit can be detached and replaced at the moment, a fixed firm structure is not arranged between the slide bar and the fixed cylinder, the drill bit is very easy to separate from the slot in the working process, and the normal operation of the drill bit is affected at the moment.

Disclosure of Invention

In order to improve the problem of unstable fixation between the mounting block and the drilling part, the application provides a miniature PCB drill bit with good shockproof performance.

The application provides a miniature PCB drill bit takes precautions against earthquakes adopts following technical scheme:

the shockproof miniature PCB drill bit comprises a connecting part and a drill handle arranged on the connecting part, wherein one end of the drill handle is provided with a drilling part, and the drill handle is provided with an adjusting component for shockproof; the connecting portion fixedly connected with installation piece, the installation piece has been seted up and has been used for the gliding slide hole of drill shank, the installation piece be provided with the through-hole of slide hole perpendicular and intercommunication, the spliced eye has been seted up to the drill shank, the installation piece is in sliding connection has the threaded rod in the through-hole, the threaded rod pass behind the through-hole peg graft in the spliced eye, the installation piece is provided with and is used for the drive assembly of threaded rod motion.

Still further, the drive assembly includes thread bush and locating part, the thread bush with the installation piece rotates to be connected, the thread bush with threaded rod threaded connection, the locating part is used for limiting the threaded rod rotates.

Still further, the locating part sets up the locating block, the stopper with through-hole inner wall fixed connection, the threaded rod perisporium has seted up the spacing groove along its axis direction, the stopper slide in the spacing inslot, the both ends in spacing groove are closed setting.

Furthermore, the threaded sleeve is fixedly connected with two L-shaped rotating blocks, a T-shaped rotating groove is formed in the position, close to the through hole, of the mounting block, and the rotating blocks rotate in the rotating groove.

Further, a plurality of handles are fixedly connected to the outer wall of the threaded sleeve, and the handles are arranged along the radial direction of the threaded sleeve.

Still further, the adjusting part includes with the drill shank keep away from the buffer block of the one end swivelling joint of installation piece and with the buffer plate that buffer block elasticity set up, the buffer plate has seted up and is used for the processing hole that drilling portion worn out.

Still further, the buffer disk with fixedly connected with a plurality of springs between the buffer block, be provided with between the buffer block with the buffer disk is used for restricting the slider of buffer disk direction of motion.

Still further, the slider sets up to the slide bar, the buffer block has been seted up and is used for the gliding buffer hole of slide bar, the spring housing is located outside the slide bar, the depth dimension of buffer hole is greater than the length dimension of slide bar.

In summary, the beneficial technical effects of the application are: the drill shank is inserted into the sliding hole of the mounting block, the handle drives the threaded sleeve to rotate at the moment, the rotating block rotates in the rotating groove, and when the limiting block moves in the limiting groove, the threaded sleeve drives the threaded rod to move, and at the moment, the threaded rod is driven to be inserted into the inserting hole, so that the effect of fixed connection between the drill shank and the mounting block is achieved; when the buffer disc is placed on an object, the spring is compressed, the sliding rod moves into the buffer hole, and at the moment, the buffer disc achieves the shockproof effect in the drilling part machining process.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Reference numerals: 1. a connection part; 2. a drill shank; 3. a drilling part; 4. a mounting block; 5. a slide hole; 6. a through hole; 7. a plug hole; 8. a threaded rod; 9. a thread sleeve; 10. a limiting block; 11. a limit groove; 12. a rotating block; 13. a rotating groove; 14. a handle; 15. a buffer block; 16. a buffer tray; 17. processing a hole; 18. a spring; 19. a slide bar; 20. and (5) buffering the holes.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The embodiment of the application discloses a miniature PCB drill bit takes precautions against earthquakes. Referring to fig. 1 and 2, a miniature PCB drill bit takes precautions against earthquakes includes connecting portion 1, install the drill shank 2 on connecting portion 1, the one end of drill shank 2 is connected with drilling portion 3, connecting portion 1 is used for being connected with the machine body, drilling portion 3 is in the operation of drilling in the rotation in-process, in order to be convenient for realize the effect of tearing open of installing between connecting portion 1 and the drill shank 2, connecting portion 1 fixedly connected with installation piece 4, installation piece 4 has offered the slide hole 5 that is used for drill shank 2 gliding, installation piece 4 is provided with the through-hole 6 with slide hole 5 perpendicular and intercommunication, the spliced eye 7 has been seted up in the drilling, the length direction of through-hole 6 and spliced eye 7 sets up with slide hole 5 length direction is perpendicular, installation piece 4 is connected with threaded rod 8 in the through-hole 6 sliding, threaded rod 8 is pegged graft in spliced eye 7 after passing through-hole 6, realize the effect of fixedly connected between installation piece 4 and the drill shank 2.

The installation piece 4 is provided with the drive assembly who is used for driving threaded rod 8 motion, drive assembly includes thread bush 9 and locating part, thread bush 9 rotates with installation piece 4 to be connected, thread bush 9 and threaded rod 8 threaded connection, the rotation piece 12 of two L types of thread bush 9 fixedly connected with, the installation piece 4 is close to the rotation groove 13 of T type in the position of through-hole 6, the vertical section and the thread bush 9 fixed connection of rotation piece 12, the horizontal segment rotation of rotation piece 12 is in the big part of rotation groove 13 opening, realize the effect of rotation piece 12 at rotation inslot 13 pivoted, realize the effect of rotation connection between thread bush 9 and the installation piece 4.

The limiting piece is arranged to be a limiting block 10, the limiting block 10 is fixedly connected with the inner wall of the through hole 6, a limiting groove 11 is formed in the peripheral wall of the threaded rod 8 along the axial direction of the limiting block, the limiting block 10 slides in the limiting groove 11, two ends of the limiting groove 11 are closed, the limiting block 10 and the limiting groove 11 are matched to realize the limiting effect on rotation of the threaded rod 8, and then the threaded rod 8 can only move along the length direction of the through hole 6; the outer wall of the thread bush 9 is fixedly connected with two handles 14, the two handles 14 are distributed on two sides of the thread bush 9, the length direction of the handles 14 is along the radial direction of the thread bush 9, and the handles 14 are used for driving the thread bush 9.

When the handle 14 drives the thread bush 9 to rotate, the rotating block 12 rotates in the rotating groove 13, under the cooperation of the limiting block 10 and the limiting groove 11, the limiting block 10 moves along the length direction of the limiting groove 11, the thread bush 9 drives the threaded rod 8 to move in the through hole 6, the threaded rod 8 is inserted into the inserting hole 7, the fixing effect between the mounting block 4 and the drill shank 2 is achieved, and the drill shank 2 is convenient to detach.

In order to be convenient for realize the shockproof effect of drilling portion 3, drill shank 2 is provided with the adjusting part that is used for taking precautions against earthquakes, adjusting part includes the buffer block 15 that is connected with drill shank 2 is kept away from 4 one end rotation of installation piece and the buffer disk 16 that sets up with buffer block 15 elasticity, and processing hole 17 that is used for drilling portion 3 to wear out are offered to buffer disk 16, fixedly connected with a plurality of springs 18 between buffer disk 16 and the buffer block 15, and spring 18 quantity sets up to two, and two springs 18 are the symmetry setting for the central axis of processing hole 17 for guarantee the even condition of buffer disk 16 atress.

The buffer block 15 is provided with the slider that is used for restricting the direction of motion of buffer disk 16 between buffer disk 16 and the slider sets up to slide bar 19, and buffer hole 20 that is used for slide bar 19 is offered to buffer block 15, and outside slide bar 19 was located to spring 18 cover, the degree of depth size of buffer hole 20 was greater than the length size of slide bar 19, and when buffer disk 16 was placed on the article, when the drilling portion 3 was driven towards the article motion this moment, spring 18 was extruded and was warp this moment, and slide bar 19 moved to buffer hole 20, and under the interwork effect between slide bar 19 and the buffer hole 20 this moment was used for restricting the direction of motion of buffer disk 16, realized the buffering shock attenuation effect to buffer disk 16.

The implementation principle of the shockproof miniature PCB drill bit provided by the embodiment of the application is as follows: the drill shank 2 is inserted into the sliding hole 5 of the mounting block 4, the handle 14 drives the threaded sleeve 9 to rotate at the moment, the rotating block 12 rotates in the rotating groove 13, the threaded sleeve 9 drives the threaded rod 8 to move when the limiting block 10 moves in the limiting groove 11, and the threaded rod 8 is driven to be inserted into the inserting hole 7 at the moment, so that the effect of fixed connection between the drill shank 2 and the mounting block 4 is realized; when the buffer disk 16 is placed on the object, the spring 18 is compressed, the slide rod 19 moves into the buffer hole 20, and at this time, the buffer disk 16 realizes the shockproof effect in the machining process of the drilling part 3.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The anti-vibration miniature PCB drill bit is characterized by comprising a connecting part (1) and a drill shank (2) arranged on the connecting part (1), wherein one end of the drill shank (2) is provided with a drilling part (3), and the drill shank (2) is provided with an adjusting component for anti-vibration; connecting portion (1) fixedly connected with installation piece (4), be used for being seted up installation piece (4) gliding slide hole (5) of drill shank (2), installation piece (4) be provided with slide hole (5) perpendicular and through-hole (6) of intercommunication, spliced eye (7) have been seted up to drill shank (2), installation piece (4) are in sliding connection has threaded rod (8) in through-hole (6), threaded rod (8) pass behind through-hole (6) peg graft in spliced eye (7), installation piece (4) are provided with the drive assembly that is used for the drive threaded rod (8) motion.

2. The vibration-proof miniature PCB drill bit according to claim 1, wherein the driving assembly comprises a threaded sleeve (9) and a limiting member, the threaded sleeve (9) is rotatably connected with the mounting block (4), the threaded sleeve (9) is in threaded connection with the threaded rod (8), and the limiting member is used for limiting the rotation of the threaded rod (8).

3. The shockproof miniature PCB drill bit according to claim 2, wherein the limiting piece is arranged as a limiting block (10), the limiting block (10) is fixedly connected with the inner wall of the through hole (6), the peripheral wall of the threaded rod (8) is provided with a limiting groove (11) along the axial direction of the threaded rod, the limiting block (10) slides in the limiting groove (11), and two ends of the limiting groove (11) are closed.

4. A miniature shockproof PCB drill bit according to claim 3, characterized in that the threaded sleeve (9) is fixedly connected with two L-shaped rotating blocks (12), the mounting block (4) is provided with a T-shaped rotating groove (13) close to the through hole (6), and the rotating blocks (12) rotate in the rotating groove (13).

5. The shockproof miniature PCB drill bit according to claim 4, characterized in that the outer wall of the threaded sleeve (9) is fixedly connected with a plurality of handles (14), the handles (14) being arranged along the radial direction of the threaded sleeve (9).