CN215788590U

CN215788590U - Special lag of high accuracy drill bit

Info

Publication number: CN215788590U
Application number: CN202023164623.2U
Authority: CN
Inventors: 朱兰俊
Original assignee: Zhenjiang Yaoyan Tools Co ltd
Current assignee: Zhenjiang Yaoyan Tools Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-02-11
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to the field of drill bit protective sleeves and discloses a high-precision protective sleeve special for a drill bit, which comprises a drill bit body, a protective sleeve and a protective cover, wherein the protective sleeve is sleeved outside the drill bit body, the left end of the protective sleeve is fixedly connected with an inner pipe, the upper side wall and the lower side wall of the inner pipe are respectively provided with a clamping mechanism, and the right end of the drill bit body is fixedly connected with an outer pipe which is in threaded connection with the outer part of the inner pipe. This special lag of high accuracy drill bit, left rotation promotes the screwed pipe, can push the catch bar and promote the piston to move left when promoting the screwed pipe to move left, this in-process, the air in the air storage cavity can enter into aerifys the cover, make and aerify the cover rise, thus, the cover of aerifing that rises can wrap up and press from both sides tightly the main part position of drill bit body, not only can consolidate the drill bit body, can also increase the protective sheath and aerify the protective effect of cover to the drill bit body, make the protective effect of whole protective sheath to the drill bit better.

Description

Special lag of high accuracy drill bit

Technical Field

The utility model relates to the field of drill bit protecting sleeves, in particular to a high-precision special protecting sleeve for a drill bit.

Background

The drilling is an operation of processing a hole in a solid material by using a drill, and when a hole is formed in a workpiece, in order to obtain a more accurate hole, the hole is formed in the workpiece by using a high-precision drill.

The in-process that the high accuracy drill bit was being shifted and was deposited may lead to the precision reduction of high accuracy drill bit because of the collision, but the lag of now commonly using can't provide very effectual safeguard effect for the high accuracy drill bit when using, and is relatively poor to the safeguard effect of high accuracy drill bit. Therefore, a special high-precision protective sleeve for the drill bit is designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the special protective sleeve for the high-precision drill bit, and solves the problems that the conventional protective sleeve cannot provide an extremely effective protective effect for the high-precision drill bit when in use, and the protective effect on the high-precision drill bit is poor.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a special lag of high accuracy drill bit, includes drill bit body, protective sheath and visor, the protective sheath is established in the outside of drill bit body, the left end fixedly connected with inside pipe of protective sheath.

Clamping mechanisms are installed on the upper side wall and the lower side wall of the inner pipe, the right end of the drill bit body is fixedly connected with an outer pipe in threaded connection with the outer portion of the inner pipe, the left end of the drill bit body is connected inside the inner pipe and the protective cover in an inserting mode, and the right end of the protective cover is fixedly connected with a protective head.

The utility model discloses a safety protection sleeve, including protective sheath, gas storage cavity, reset spring, gas storage cavity, outside threaded connection, the cover of aerifing is installed to the inner wall of protective sheath, the gas storage cavity has all been seted up to the roof and the diapire of protective sheath, the left end and the gas storage cover intercommunication of gas storage cavity, the inside sliding connection of gas storage cavity has the promotion piston, the right side wall fixedly connected with catch bar that promotes the piston, the left side wall fixedly connected with reset spring that promotes the piston, reset spring's left end and the left side wall fixed connection of gas storage cavity, the outside threaded connection of protective sheath has the promotion screwed pipe, the left end that promotes the screwed pipe offsets with the right-hand member of catch bar.

Furthermore, the outer wall of the inflation sleeve is provided with a thread groove corresponding to the pushing thread pipe, and the pushing thread pipe is connected to the inside of the thread groove in a threaded mode.

Further, mounting holes are formed in the upper side wall and the lower side wall of the inner pipe, and the clamping mechanism comprises clamping blocks mounted inside the mounting holes.

Furthermore, the left side wall and the right side wall of the mounting hole are both provided with guide grooves, the inner portion of each guide groove is connected with a guide plate fixedly connected with a clamping block in a sliding mode, a clamping spring is installed between each guide plate and the inner wall of each guide groove, and one end, far away from the outer pipe, of each clamping block abuts against the outer wall of the left end of the drill bit body.

Furthermore, the right end of the push rod is fixedly connected with a push plate, and the right side wall of the push plate is abutted to the left side wall of the push threaded pipe.

Further, the inside fixedly connected with protection cushion of protection head, the protection cushion parcel is outside at the right-hand member of drill bit body.

The utility model has the beneficial effects that:

1. the utility model discloses a, the right-hand member of drill bit body can be protected to the cooperation protection head that sets up of protection cushion, and protective sheath, visor and protection head constitute a complete protective housing to for the drill bit body provides a more effectual protecting effect, when visor and protective sheath are connected moreover, inside pipe is in the same place with outside pipe threaded connection, and like this, visor and protective sheath are connected more firmly, so that provide more effectual protection for the left end of drill bit body.

2. The utility model discloses a, rotating promotes the screwed pipe left, can push away the catch bar and promote the piston and move left when promoting the screwed pipe and move left, this in-process, the air in the air storage cavity can enter into aerifys the cover in, make and aerify the cover rise, and like this, the cover of aerifing of rising can wrap up and press from both sides tightly the main part position of drill bit body, not only can consolidate the drill bit body, can also increase the protective sheath and aerify the protective effect of cover to the drill bit body, make the protective effect of whole protective sheath to the drill bit better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 1;

fig. 4 is an enlarged view of B in fig. 1.

In the figure: 1. a drill bit body; 2. a protective sleeve; 3. a protective cover; 4. an inner tube; 5. a clamping mechanism; 6. An outer tube; 7. a protective head; 8. inflating the sleeve; 9. a gas storage cavity; 10. pushing the piston; 11. a push rod; 12. a return spring; 13. pushing the threaded pipe; 14. a thread groove; 15. mounting holes; 16. a clamping block; 17. a guide groove; 18. a guide plate; 19. a clamping spring; 20. a protective cushion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to FIGS. 1-4: the utility model provides a special lag of high accuracy drill bit, includes drill bit body 1, protective sheath 2 and visor 3, and protective sheath 2 cover is established in the outside of drill bit body 1, and the left end fixedly connected with inside pipe 4 of protective sheath 2, drill bit body 1 set up in the inside of protective sheath 2, and protective sheath 2 can protect the main part position of drill bit body 1, and visor 3 can protect the left end of drill bit body 1.

The upper side wall and the lower side wall of the inner pipe 4 are respectively provided with a clamping mechanism 5, the right end of the drill bit body 1 is fixedly connected with an outer pipe 6 which is in threaded connection with the outer part of the inner pipe 4, the left end of the drill bit body 1 is inserted in the inner parts of the inner pipe 4 and the protective cover 3, the right end of the protective cover 2 is fixedly connected with a protective head 7, the inner part of the protective head 7 is fixedly connected with a protective cushion 20, the protective cushion 20 is wrapped on the outer part of the right end of the drill bit body 1, the protective cushion 20 is arranged and matched with the protective head 7 to protect the right end of the drill bit body 1, the protective cover 2, the protective cover 3 and the protective head 7 form a complete protective shell so as to provide a more effective protective effect for the drill bit body 1, when the protective cover 3 is connected with the protective cover 2, the inner pipe 4 is in threaded connection with the outer pipe 6, and thus, the protective cover 3 is more firmly connected with the protective cover 2, so as to provide more effective protection for the left end of drill bit body 1, moreover this in-process, clamping mechanism 5 can be consolidated the left end of drill bit body 1, avoids drill bit body 1 roll-off for drill bit body 1 is more firm, and is better to the protective effect of drill bit body 1.

An inflation sleeve 8 is installed on the inner wall of the protective sleeve 2, a gas storage cavity 9 is formed in each of the top wall and the bottom wall of the protective sleeve 2, the left end of the gas storage cavity 9 is communicated with the inflation sleeve 8, a pushing piston 10 is connected to the inside of the gas storage cavity 9 in a sliding mode, a pushing rod 11 is fixedly connected to the right side wall of the pushing piston 10, a reset spring 12 is fixedly connected to the left side wall of the pushing piston 10, the left end of the reset spring 12 is fixedly connected with the left side wall of the gas storage cavity 9, a pushing threaded pipe 13 is connected to the outside of the protective sleeve 2 in a threaded mode, a threaded groove 14 corresponding to the pushing threaded pipe 13 is formed in the outer wall of the inflation sleeve 8, the pushing threaded pipe 13 is connected to the inside of the threaded groove 14 in a threaded mode, a pushing plate is fixedly connected to the right end of the pushing rod 11, the right side wall of the pushing plate abuts against the left side wall of the pushing threaded pipe 13, the left end of the pushing threaded pipe 13 abuts against the right end of the pushing rod 11, and the pushing threaded pipe 13 is rotated leftwards, when the push threaded pipe 13 moves leftwards, the push rod 11 and the push piston 10 can be pushed leftwards, in the process, air in the air storage cavity 9 can enter the air inflation sleeve 8, so that the air inflation sleeve 8 is expanded, in this way, the expanded air inflation sleeve 8 can wrap and clamp the main body position of the drill bit body 1, the drill bit body 1 can be reinforced, the protection effect of the protective sleeve 2 and the air inflation sleeve 8 on the drill bit body 1 can be increased, and the protection effect of the whole protective sleeve 2 on the drill bit is better.

As shown in fig. 3, the upper and lower side walls of the inner tube 4 are both provided with mounting holes 15, the clamping mechanism 5 comprises clamping blocks 16 mounted inside the mounting holes 15, the left and right side walls of the mounting holes 15 are both provided with guide grooves 17, the inside of the guide grooves 17 is slidably connected with guide plates 18 fixedly connected with the clamping blocks 16, clamping springs 19 are mounted between the guide plates 18 and the inner walls of the guide grooves 17, one end of the clamping block 16 far away from the outer tube 6 abuts against the outer wall of the left end of the drill bit body 1, the right end of the clamping block 16 is provided with a pushing inclined surface, so that when the outer tube 6 is screwed outside the inner tube 4, the clamping block 16 can be pushed towards the drill body 1, during which the guide plate 18 slides in the guide slot 17, make the removal of pressing from both sides tight piece 16 more stable, can provide more effective clamping effect for the left end of drill bit body 1 for drill bit body 1 is fixed more firm.

In summary, when the drill bit is used, the drill bit body 1 is inserted into the protective sleeve 2 and the protective head 7, and then the outer tube 6 is screwed outside the inner tube 4, so that the protective cover 3 is connected with the protective sleeve 2 more stably, and more effective protection is provided for the left end of the drill bit body 1.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a special lag of high accuracy drill bit, includes drill bit body (1), protective sheath (2) and visor (3), its characterized in that: the protective sleeve (2) is sleeved outside the drill bit body (1), and the left end of the protective sleeve (2) is fixedly connected with an inner pipe (4);

clamping mechanisms (5) are mounted on the upper side wall and the lower side wall of the inner pipe (4), an outer pipe (6) which is connected to the outer portion of the inner pipe (4) in a threaded mode is fixedly connected to the right end of the drill bit body (1), the left end of the drill bit body (1) is inserted into the inner portions of the inner pipe (4) and the protective cover (3), and a protective head (7) is fixedly connected to the right end of the protective cover (2);

inflation cover (8) are installed to the inner wall of protective sheath (2), gas storage cavity (9) have all been seted up to the roof and the diapire of protective sheath (2), the left end and the inflation cover (8) intercommunication of gas storage cavity (9), the inside sliding connection of gas storage cavity (9) has promotion piston (10), the right side wall fixedly connected with catch bar (11) that promotes piston (10), the left side wall fixedly connected with reset spring (12) that promotes piston (10), the left end of reset spring (12) and the left side wall fixed connection of gas storage cavity (9), the outside threaded connection of protective sheath (2) has promotion screwed pipe (13), the left end that promotes screwed pipe (13) offsets with the right-hand member of catch bar (11).

2. A protective sheath for a high precision drill bit as claimed in claim 1, wherein: the outer wall of the inflating sleeve (8) is provided with a thread groove (14) corresponding to the pushing thread pipe (13), and the pushing thread pipe (13) is in threaded connection with the inside of the thread groove (14).

3. A protective sheath for a high precision drill bit as claimed in claim 1, wherein: mounting holes (15) are formed in the upper side wall and the lower side wall of the inner pipe (4), and the clamping mechanism (5) comprises clamping blocks (16) mounted inside the mounting holes (15).

4. A protective sheath for a high precision drill bit as claimed in claim 3, wherein: guide way (17) have all been seted up to the left and right sides wall of mounting hole (15), the inside sliding connection of guide way (17) has and presss from both sides tight piece (16) fixed connection's deflector (18), install clamping spring (19) between the inner wall of deflector (18) and guide way (17), press from both sides the one end that tight piece (16) kept away from outside pipe (6) and the left end outer wall of drill bit body (1) and offset.

5. A protective sheath for a high precision drill bit as claimed in claim 1, wherein: the right end of the push rod (11) is fixedly connected with a push plate, and the right side wall of the push plate is abutted to the left side wall of the push threaded pipe (13).

6. A protective sheath for a high precision drill bit as claimed in claim 1, wherein: the inside fixedly connected with protection cushion (20) of protection head (7), protection cushion (20) parcel is outside at the right-hand member of drill bit body (1).