CN211440339U

CN211440339U - Hole digger drill bit assembly

Info

Publication number: CN211440339U
Application number: CN201922237622.7U
Authority: CN
Inventors: 赵杰; 罗华萍
Original assignee: Zhuji Ruibaote Hardware Tools Co ltd
Current assignee: Zhuji Ruibaote Hardware Tools Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-08
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a hole digger drill bit assembly relates to the carpenter and bores the field, aims at solving and adopts the mode of bolt fastening to connect the regulation pole and the location is bored, and the inconvenient and problem of adjusting of the condition that easily appears wearing and tearing and skid, its technical scheme main points are: be equipped with the connecting block on the location bores, set up on the connecting block with the perpendicular spout that sets up of location brill, sliding connection has the regulation pole that is L shape in the spout, and the vertical end of adjusting the pole can be dismantled and be connected with cutting blade, sets up the adjustment tank that sets up perpendicularly and communicate each other with the spout on the connecting block, and the adjustment tank internal rotation is connected with and is used for the drive to adjust the reciprocal gliding regulating part of pole. The utility model discloses a thereby sleeve or spliced pole rotate drive and sleeve or spliced pole threaded connection's regulation pole slide along the direction of spout, when adjusting the pole and remove to appointed length, through internal thread and first screw thread section, external screw thread and second screw thread section meshing connection, can play the auto-lock effect, make things convenient for people to open the hole size and adjust.

Description

Hole digger drill bit assembly

Technical Field

The utility model relates to a carpenter bores technical field, more specifically says, it relates to a hole digger drill bit assembly.

Background

When people need punch the cutting to article such as plank, the commonly used carpenter bores and cuts the plank and punches, and its principle is similar with the principle that the compasses were drawn the circle, adjusts the diameter of punching for guaranteeing the convenience, adopts the mode of bolt fastening to come fixed connection regulation pole and location to bore among the prior art usually, and long-term use can lead to appearing wearing and tearing between regulation pole and the bolt the condition of skidding easily appearing, influences the precision of punching.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a hole digger drill bit assembly rotates through sleeve or spliced pole and drives and sleeve or spliced pole threaded connection's regulation pole and slide along the direction of spout, when adjusting the pole and removing to appointed length, is connected through internal thread and first screw thread section, external screw thread and the meshing of second screw thread section, can play better auto-lock effect, makes things convenient for people to open the hole size and adjusts.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hole digger drill bit assembly, bores including the location, be equipped with the connecting block on the location bores, set up on the connecting block and bore the perpendicular spout that sets up with the location, sliding connection has the regulation pole that is L shape in the spout, the vertical end of adjusting the pole can be dismantled and be connected with cutting blade, set up the adjustment tank that sets up perpendicularly and communicate each other with the spout on the connecting block, the adjustment tank internal rotation is connected with and is used for the drive to adjust the regulation pole reciprocating sliding's regulating part.

Through adopting above-mentioned technical scheme, make through the regulating part of rotation connection in the adjustment tank adjust the pole and carry out reciprocating movement, can cutting blade to the location distance of boring between adjusting to make things convenient for people to the regulation of trompil diameter and fixed, solved among the prior art common regulation pole through the bolt fix lead to adjusting cutting blade to the location many times when boring the distance, the bolt with adjust the condition that takes place to skid between the pole.

The utility model discloses further set up to: the adjusting part is a sleeve, an internal thread is arranged on the inner peripheral wall of the sleeve, the cross section of the adjusting rod is rectangular, and a first thread section meshed with the internal thread is arranged on the outer peripheral wall of the adjusting rod.

Through adopting above-mentioned technical scheme, the cover barrel casing is established outside adjusting the pole, and set up the internal thread on the telescopic internal perisporium, and be provided with the first screw thread section of being connected with the internal thread meshing on the periphery wall of adjusting the pole, make through rotating the sleeve and adjust the pole and carry out reciprocating motion under the interact of internal thread and first screw thread section, when the interval that cutting blade bored to location satisfied the in service behavior, the stall sleeve, connect through internal thread and first screw thread section meshing and can play better auto-lock effect, make to adjust the pole and fix in appointed position.

The utility model discloses further set up to: be equipped with anti-skidding line on the telescopic periphery wall, annular recess has been seted up on the telescopic periphery wall.

Through adopting above-mentioned technical scheme, through set up anti-skidding line and annular recess on telescopic periphery wall, can increase the frictional force that the finger contacted sleeve surface, make things convenient for people to adjust the sleeve.

The utility model discloses further set up to: the surface of adjusting the pole is equipped with the second screw thread section, the regulating part is the rotation post of rotation connection in the adjustment tank, be equipped with the external screw thread of being connected with the meshing of second screw thread section on the periphery wall of rotation post.

Through adopting above-mentioned technical scheme, the surface of adjusting the pole sets up the second screw thread section, and the regulating part is connected the rotation post in the adjustment tank for rotating, and external screw thread and the meshing of second screw thread section through rotating the post surface are connected to can adjust the regulation pole when rotating the rotation post, and the external screw thread that the rotation post surface set up also can increase the area of contact of hand and rotation post, and then make things convenient for people to adjust the rotation post.

The utility model discloses further set up to: the opening part of the adjusting groove is provided with a sector-shaped groove, and the arc-shaped convex surface of the groove is arranged in a direction opposite to the direction of the adjusting piece.

Through adopting above-mentioned technical scheme, go out through the opening at the adjustment tank and set up sectorial fluting, can increase the open area of adjustment tank opening part, make things convenient for people to adjust the regulating part.

The utility model discloses further set up to: the caulking groove that is used for inlaying cutting blade is seted up to the vertical end bottom of adjusting the pole, set up a plurality of fixed orificess that communicate with the caulking groove in the vertical portion of adjusting the pole, threaded connection has the fastening bolt who is used for the tight cutting blade in top in the bolt fastening hole.

Through adopting above-mentioned technical scheme, make things convenient for cutting blade's installation and change through setting up of caulking groove to pass the tight cutting blade in fixed orifices top through fastening bolt, further consolidate cutting blade, improve the joint strength of cutting blade and regulating lever.

The utility model discloses further set up to: the horizontal end of the adjusting rod is provided with a guide groove arranged along the length direction of the adjusting rod, and a gap is formed between the guide groove and the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, through seting up the guide slot on adjusting the pole horizontal end, and leave the clearance between the lateral wall of guide slot and spout, can reduce the frictional force between the lateral wall of adjusting pole and spout, be convenient for adjust the slip of pole.

The utility model discloses further set up to: the bottom of location brill is the location portion of round platform form, and the little end of location portion sets up to the direction of connecting block dorsad, the constant head tank has been seted up to the little end department of location portion, it has the conical metal drill piece to inlay in the constant head tank.

Through adopting above-mentioned technical scheme, the bottom of location brill is the location portion of round platform form, can reduce the location and bore the resistance when going into the plank, through the setting of metal drill bit, conveniently punches the location to the plank.

To sum up, the utility model discloses following beneficial effect has:

thereby rotate through sleeve or spliced pole and drive and sleeve or spliced pole threaded connection's regulation pole slides along the direction of spout, when adjusting the pole and removing to appointed length, through internal thread and first screw thread section, the external screw thread is connected with the meshing of second screw thread section, can play better auto-lock effect, and threaded connection has good precision, thereby when making things convenient for people to carry out the regulation to the opening size, the hole that improves the hole digs out makes it have good precision.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a second embodiment;

FIG. 5 is an exploded view of the second embodiment;

FIG. 6 is an enlarged view of the portion B of FIG. 5;

fig. 7 is an enlarged schematic view of the portion C of fig. 6.

In the figure: 1. positioning a drill; 2. connecting blocks; 3. adjusting a rod; 4. a chute; 5. an adjustment groove; 6. a cutting blade; 7. a sleeve; 8. an internal thread; 9. a first thread segment; 10. a groove; 11. a second thread segment; 12. rotating the column; 13. an external thread; 14. fastening a bolt; 15. a guide groove; 16. and (4) drilling a metal sheet.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The first embodiment is as follows: a drill bit assembly of a hole opener is shown in figures 1 to 3 and comprises a positioning drill 1, a positioning part with a truncated cone shape is arranged at the bottom end of the positioning drill 1, the small end of the positioning part is arranged opposite to the direction of a connecting block 2, a positioning groove is arranged at the small end of the positioning part, a conical metal drill sheet 16 is embedded in the positioning groove, the metal drill sheet 16 is in interference fit with the positioning groove, the positioning drill 1 is provided with the connecting block 2, the connecting block 2 is provided with a chute 4 which is perpendicular to the positioning drill 1, an L-shaped adjusting rod 3 is connected in the chute 4 in a sliding way, the horizontal end of the adjusting rod 3 is provided with a guide groove 15 which is arranged along the length direction of the adjusting rod 3, a gap is arranged between the guide groove 15 and the side wall of the chute 4, the bottom end of the vertical end of the adjusting rod 3 is provided with a caulking groove for embedding a cutting blade 6, the vertical part of the adjusting rod, offer on connecting block 2 with the perpendicular adjustment tank 5 that sets up and communicate each other of

spout

4, 5 internal rotations in adjustment tank are connected with and are used for the drive to adjust 3 reciprocating sliding's regulating part of pole, the opening part of adjustment tank 5 is equipped with and is sectorial fluting, the notched arc convex surface is regulation part direction setting dorsad, the regulating part is sleeve 7, be equipped with anti-skidding line on sleeve 7's the periphery wall, annular recess 10 has been seted up on sleeve 7's the periphery wall, be equipped with internal thread 8 on sleeve 7's the internal perisporium, the cross-section of adjusting pole 3 is rectangle, be equipped with the first screw thread section 9 of being connected with internal thread 8 meshing.

When the size of the round hole of the woodworking drill is adjusted, the sleeve 7 connected in the adjusting groove 5 is rotated through the finger pushing plate, the anti-skid lines and the annular groove 10 are arranged on the outer peripheral wall of the sleeve 7, when the sleeve 7 is extruded by fingers of people, the friction force between the sleeve 7 and the fingers can be increased, the adjustment of the sleeve 7 is facilitated for people, when the sleeve 7 rotates, the inner peripheral wall of the sleeve 7 is provided with the internal thread 8, the adjusting rod 3 is provided with the first thread section 9 meshed and connected with the internal thread 8, the cross section of the adjusting rod 3 is in the sliding groove 4 which is square and in sliding connection, so that when the sleeve 7 rotates, the adjusting rod 3 can slide along the length direction of the sliding groove 4, the distance from the cutting blade 6 to the positioning drill 1 is adjusted, the guide groove 15 is formed in the side wall of the adjusting rod 3, and a gap is reserved between the guide groove 15 and, can reduce the friction between regulation pole 3 and connecting block 2, be convenient for adjust the slip of pole 3, when people adjust the completion and carry out the trompil, bore 1 fixed connection through electric hand drill and location, drive location and bore 1 and rotate, because the bottom of location brill 1 is equipped with the location portion that is the round platform form, and the constant head tank has been seted up, make metal drill piece 16 and location bore 1 fixed connection, the location of punching is conveniently carried out before punching, cutting blade 6 through adjusting 3 vertical portion of pole cuts the plank, thereby cut and punch article such as plank, when the carpenter bores long-term use and leads to cutting blade 6 to appear wearing and tearing, can pass through the fixing bolt that unscrews, shift out cutting blade 6 from the caulking groove, the convenience is changed cutting blade 6 to wearing and tearing.

Example two: a hole cutter drill bit assembly as shown in fig. 4 to 7, which is different from the first embodiment in that: the outer surface of the adjusting rod 3 is provided with a second thread section 11, the adjusting piece is a rotating column 12 which is rotatably connected in the adjusting groove 5, and the outer peripheral wall of the rotating column 12 is provided with an external thread 13 which is meshed and connected with the second thread section 11.

When adjusting the size of the trompil hole of carpenter's brill, dial the board through the finger and rotate the rotation post 12 of connection in adjustment tank 5, because be equipped with external screw thread 13 on the periphery wall of rotation post 12, when people's finger extrusion rotates post 12, can increase the frictional force between rotation post 12 and the finger, make things convenient for people to adjust rotation post 12, when rotating post 12 and rotate, because external screw thread 13 on the periphery wall of rotation post 12 is connected with the second screw thread section 11 meshing on adjusting pole 3, thereby when rotating post 12 and rotating, can make the length direction who adjusts pole 3 along spout 4 slide, and then adjust cutting blade 6 to the distance of location brill 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A hole cutter drill bit assembly comprising a pilot drill (1), characterized in that: be equipped with connecting block (2) on location brill (1), set up spout (4) that bore (1) perpendicular setting with the location on connecting block (2), sliding connection has regulation pole (3) that are L shape in spout (4), the vertical end of adjusting pole (3) can be dismantled and be connected with cutting blade (6), set up on connecting block (2) and perpendicular setting up and the regulation groove (5) that communicate each other with spout (4), regulation groove (5) internal rotation is connected with and is used for the drive to adjust pole (3) regulation piece of reciprocating sliding.

2. The hole cutter bit assembly of claim 1, wherein: the adjusting part is sleeve (7), be equipped with internal thread (8) on the internal perisporium of sleeve (7), the cross-section of adjusting pole (3) is rectangle, be equipped with on the periphery wall of adjusting pole (3) with first screw thread section (9) that internal thread (8) meshing is connected.

3. The hole cutter bit assembly of claim 2, wherein: be equipped with anti-skidding line on the periphery wall of sleeve (7), annular recess (10) have been seted up on the periphery wall of sleeve (7).

4. The hole cutter bit assembly of claim 1, wherein: the surface of adjusting pole (3) is equipped with second screw thread section (11), the regulating part is rotation post (12) of rotating connection in adjustment tank (5), be equipped with on the periphery wall of rotation post (12) with second screw thread section (11) meshing connection external screw thread (13).

5. The hole cutter bit assembly according to claim 3 or 4, wherein: the opening part of adjusting groove (5) is equipped with and is sectorial fluting, slotted arc convex surface sets up to the regulating part direction of the dorsad.

6. The hole cutter bit assembly of claim 5, wherein: the caulking groove that is used for inlaying cutting blade (6) is offered to the vertical end bottom of adjusting pole (3), set up a plurality of fixed orificess that communicate with the caulking groove in the vertical portion of adjusting pole (3), bolt fastening hole internal thread (8) are connected with fastening bolt (14) that are used for pushing up cutting blade (6).

7. The hole cutter bit assembly of claim 6, wherein: the horizontal end of the adjusting rod (3) is provided with a guide groove (15) arranged along the length direction of the adjusting rod (3), and a gap is formed between the guide groove (15) and the side wall of the sliding groove (4).

8. The hole cutter bit assembly of claim 7, wherein: the bottom of location brill (1) is the location portion of round platform form, and the little end of location portion sets up in the direction of connecting block (2) dorsad, the constant head tank has been seted up to the little end department of location portion, it has conical metal drill piece (16) to inlay in the constant head tank.