CN218926332U

CN218926332U - Impact drill with auxiliary supporting structure

Info

Publication number: CN218926332U
Application number: CN202223298611.8U
Authority: CN
Inventors: 朱泽海
Original assignee: Zhejiang Ruilan Canghai Tools Co ltd
Current assignee: Zhejiang Ruilan Canghai Tools Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-28
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a percussion drill with an auxiliary supporting structure, which relates to the technical field of percussion drills. According to the utility model, the positioning assembly is arranged, the positioning ruler can perform circular motion along the inner wall of the annular chute through the mounting seat and the sliding seat, so that the position adjustment of the positioning ruler is realized, the clamping ring can be loosened by rotating the auxiliary handle to drive the screw rod to rotate, then the position adjustment of the auxiliary handle can be realized by rotating the clamping ring, and the impact drill can adapt to more working environments by respectively adjusting the positioning ruler and the auxiliary handle, so that the use convenience of the impact drill is effectively improved.

Description

Impact drill with auxiliary supporting structure

Technical Field

The utility model relates to the technical field of impact drills, in particular to an impact drill with an auxiliary supporting structure.

Background

The impact electric drill mainly comprises rotary cutting and an impact mechanism for producing impact force by means of thrust of an operator, and is used for an electric tool for drilling holes on materials such as bricks, building blocks, light walls and the like, wherein the impact mechanism of the impact electric drill comprises two types of dog teeth and balls, the ball type impact electric drill consists of a movable disc, a fixed disc, steel balls and the like, and the movable disc is connected with a main shaft through threads and is provided with 12 steel balls; the fixed disk is fixed on the casing by using pins and is provided with 4 steel balls, under the action of thrust, 12 steel balls roll along the 4 steel balls, so that the hard alloy drill bit can produce rotary impact motion, can drill holes on brittle materials such as bricks, building blocks and concrete, and can release the pins, so that the fixed disk and the follow-up disk rotate together without impact, and can be used as a common electric drill.

In the use of an impact electric drill, an auxiliary handle is generally installed at the front end of the impact electric drill, the auxiliary handle is held by the other hand during drilling, so that the front end of the impact electric drill can be supported, the use of the impact electric drill is more stable, a positioning ruler for limiting the drilling depth can be arranged on the auxiliary handle, the positioning ruler can be horizontally moved and adjusted along the inner wall of the auxiliary handle, so that drilling operations with different depths can be adapted, but in the actual operation process, the positioning ruler is fixed with the sliding connection position of the auxiliary handle, if the drilling position is inconvenient, the position of the positioning ruler needs to be changed by adjusting the position of the auxiliary handle when the positioning ruler is attached to a wall surface, the positioning ruler is rotated by taking the impact electric drill as the center, so that the proper position is searched for enabling the positioning ruler to be attached to the wall surface, the gesture of an operator holding the auxiliary handle is not the most comfortable angle, the use of the impact electric drill can be influenced, and the positioning ruler and the auxiliary handle are respectively adjusted for realizing the use of the positioning ruler.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the position of the auxiliary handle is changed when the positioning ruler is adjusted so as to be unfavorable for stable support of the percussion drill, the percussion drill with the auxiliary support structure is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a strike and bore with auxiliary support structure, includes and strikes and bore main part, grip ring, assist handle, location chi, the grip ring cup joints the one end outer wall that strikes and bore the main part, the both ends end shaping of grip ring has the pressfitting lug, assist handle is located the bottom of pressfitting lug and the top fixedly connected with of assist handle runs through the screw rod of two pressfitting lugs, the outside of grip ring is provided with and is used for supporting, adjusting the locating component of location chi, the locating component includes:

the mounting seat is arranged at the outer side of the clamping ring, the bottom end of the mounting seat is fixedly connected with a sliding seat extending to the inner part of the clamping ring, an annular chute for the sliding seat to slide is formed at the position where the clamping ring contacts with the sliding seat, and the positioning ruler slides at the inner side of the mounting seat;

the locking bolt penetrates through the top end of the mounting seat to the inner side of the mounting seat, the bottom end of the locking bolt is tightly attached to the top end of the positioning ruler, and the rubber friction block penetrating through the bottom of the sliding seat is arranged in the mounting seat.

As still further aspects of the utility model: the two press fitting tabs are distributed up and down, bolt holes matched with the screw rods are formed in the press fitting tabs located above, and through holes for the screw rods to penetrate are formed in the press fitting tabs located below.

As still further aspects of the utility model: the inside spout that supplies location chi horizontal migration of having seted up of mount pad, the inner wall height of spout is slightly more than the thickness of location chi.

As still further aspects of the utility model: the transverse cross section of the sliding seat and the annular sliding groove is of a T-shaped structure, and the rotating radius of the sliding groove is larger than the corner diameter of the outer wall of the impact drill main body.

As still further aspects of the utility model: the top of rubber friction block is laminated with the bottom of location chi, the bottom of rubber friction block is laminated with the inner wall of annular spout, the transversal cross-section of rubber friction block is in "cross" style of calligraphy structure, the inside of mount pad has been seted up and has been supplied the gliding cross groove of rubber friction block downwardly, the height of the cross groove position of cross groove is greater than the height of the horizontal part of rubber friction block.

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

through setting up locating component, locating ruler accessible mount pad, sliding seat carry out circular motion along the inner wall of annular spout to realize the position control of locating ruler, drive the screw rod through rotating auxiliary handle and rotate and can make the grip ring loosen, later rotate the position control that grip ring can realize auxiliary handle, adjust respectively through locating ruler and auxiliary handle, can make to strike and bore more operational environment that can adapt to, effectively improve the convenience of use that strikes the brill.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the connection of the positioning assembly and the clamping ring according to the present utility model;

FIG. 3 is a cross-sectional view of the clamping ring of the present utility model;

fig. 4 is a structural cross-sectional view of the mounting base and the sliding base of the present utility model.

In the figure: 1. a percussion drill body; 2. a clamping ring; 3. pressing the protruding pieces; 4. a screw; 5. an auxiliary handle; 6. a positioning ruler; 7. a positioning assembly; 701. a mounting base; 702. a locking bolt; 703. a sliding seat; 704. a rubber friction block; 8. an annular chute.

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 to 4, in an embodiment of the present utility model, a percussion drill with an auxiliary supporting structure includes a percussion drill main body 1, a clamping ring 2, an auxiliary handle 5, and a positioning rule 6, wherein the clamping ring 2 is sleeved on an outer wall of one end of the percussion drill main body 1, two ends of the clamping ring 2 are formed with press-fit tabs 3, the auxiliary handle 5 is located at a bottom end of the press-fit tabs 3, a screw 4 penetrating through the two press-fit tabs 3 is fixedly connected with a top end of the auxiliary handle 5, the two press-fit tabs 3 are distributed vertically, the press-fit tabs 3 located above are provided with bolt holes matched with the screw 4, the press-fit tabs 3 located below are provided with through holes for the screw 4 to penetrate, a positioning assembly 7 for supporting and adjusting the positioning rule 6 is provided on an outer side of the clamping ring 2, and the positioning assembly 7 includes:

the mounting seat 701 is arranged on the outer side of the clamping ring 2, the bottom end of the mounting seat 701 is fixedly connected with the sliding seat 703 extending into the clamping ring 2, an annular chute 8 for sliding the sliding seat 703 is arranged at the contact position of the clamping ring 2 and the sliding seat 703, and the positioning ruler 6 slides on the inner side of the mounting seat 701;

the locking bolt 702 penetrates through the top end of the mounting seat 701 to the inner side of the mounting seat 701, the bottom end of the locking bolt 702 is tightly attached to the top end of the positioning ruler 6, and the rubber friction block 704 penetrating through the bottom of the sliding seat 703 is arranged in the mounting seat 701.

In this embodiment: when the impact drill is used, the auxiliary handle 5 can be held by hand to support the impact drill main body 1, so that the drilling operation of the impact drill main body 1 is more stable, the depth of a drilled hole can be limited by horizontally adjusting and moving the positioning ruler 6, when the impact drill main body 1 is in drilling movement, the positioning ruler 5 cannot continuously move the impact drill main body 1 when being in contact with a wall body, the drill bit can be pulled out outwards at the moment, thereby effectively avoiding the too deep drilling, in the process, when other objects on the surface of the position of the drilled hole block the use of the positioning ruler 5, the position of the positioning ruler 5 can be adjusted according to the actual condition of the drilling position, so that the collision between the positioning ruler 5 and the objects is avoided, the locking bolt 702 can be unscrewed, the extrusion locking of the positioning ruler 6 is released by the locking bolt 702, at the moment, the positioning ruler 6 can be horizontally moved, meanwhile, the positioning rule 6 releases the extrusion of the rubber friction block 704, the friction force between the bottom end of the rubber friction block 704 and the annular chute 8 is reduced, the mounting seat 701 and the sliding seat 703 can be pushed to move along the inner wall of the annular chute 8 at the moment, then the rotation adjustment of the positioning rule 6 is realized, thereby the positioning rule 6 can be misplaced with an object on a wall body, when the rotation adjustment and the water level displacement adjustment of the positioning rule 6 are completed, the locking bolt 702 can be screwed, the locking bolt 702 can extrude the positioning rule 6 to align for extrusion locking, meanwhile, the positioning rule 6 can extrude the rubber friction block 704, the friction force between the bottom end of the rubber friction block 704 and the annular chute 8 is increased, then the sliding seat 703 and the annular chute 8 can keep good connection force, so the position fixing of the positioning rule 6 is realized, when the position of the auxiliary handle 5 is required, the auxiliary handle 5 is only required to be rotated to drive the screw 4 to rotate, the pressure between the two press fit lugs 3 is reduced, the clamping ring 2 can be outwards opened under the action of self elasticity, at the moment, the clamping between the clamping ring 2 and the impact drill main body 1 is released, the auxiliary handle 5 can be rotated, then the auxiliary handle 5 is reversely rotated, the clamping ring 2 can be clamped, and then the position of the auxiliary handle 5 is fixed.

Referring to fig. 1 to 4, a sliding groove for horizontally moving the positioning rule 6 is provided in the mounting seat 701, the height of the inner wall of the sliding groove is slightly larger than the thickness of the positioning rule 6, the transverse cross sections of the sliding seat 703 and the annular sliding groove 8 are in a T-shaped structure, and the rotation radius of the sliding groove is larger than the corner diameter of the outer wall of the impact drill main body 1.

In this embodiment: the horizontal movement of the positioning ruler 6 can be facilitated through the sliding groove, the distance between one end of the positioning ruler 6 and the drill bit end can be realized through the horizontal movement of the positioning ruler 6, so that the drill bit drilling depth is limited, and the positioning ruler 6 can not interfere with the impact drill body 1 when rotating through the structure that the rotating radius of the sliding groove is larger than the outer wall corner diameter of the impact drill body 1.

Referring to fig. 4, the top end of the rubber friction block 704 is attached to the bottom end of the positioning ruler 6, the bottom end of the rubber friction block 704 is attached to the inner wall of the annular chute 8, the cross section of the rubber friction block 704 is in a cross-shaped structure, a cross groove for the rubber friction block 704 to slide downwards is formed in the mounting seat 701, and the height of the cross groove is greater than that of the cross part of the rubber friction block 704.

In this embodiment: when the locking bolt 702 forms extrusion locking to the positioning ruler 6, the bottom of the positioning ruler 6 extrudes the rubber friction block 704, the rubber friction block 704 is stressed to deform, the bottom of the rubber friction block 704 is tightly attached to the inner wall of the annular chute 8, at the moment, the mutual friction force between the rubber friction block 704 and the annular chute 8 is large, locking to the sliding seat 703 can be achieved, when the locking bolt 702 is unscrewed, the positioning ruler 6 can release the extrusion to the rubber friction block 704, the rubber friction block 704 can recover under the action of self elasticity, the friction force between the bottom of the rubber friction block 704 and the annular chute 8 is reduced, at the moment, the sliding seat 703 can be conveniently moved, and a space can be provided for shrinkage and recovery of the rubber friction block 704 through the cross groove.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a percussion drill with auxiliary support structure, includes percussion drill main part (1), grip ring (2), assist handle (5), location chi (6), its characterized in that, the outside of grip ring (2) is provided with and is used for supporting, adjusting locating component (7) to location chi (6), locating component (7) include:

the clamping ring comprises a mounting seat (701) arranged on the outer side of a clamping ring (2), wherein the bottom end of the mounting seat (701) is fixedly connected with a sliding seat (703) extending into the clamping ring (2), an annular sliding groove (8) for the sliding seat (703) to slide is formed in the position, which is contacted with the sliding seat (703), of the clamping ring (2), and the positioning ruler (6) slides on the inner side of the mounting seat (701);

the locking bolt (702) penetrates through the top end of the mounting seat (701) to the inner side of the mounting seat (701), the bottom end of the locking bolt (702) is tightly attached to the top end of the positioning ruler (6), and a rubber friction block (704) penetrating through the bottom of the sliding seat (703) is arranged in the mounting seat (701).

2. The percussion drill with auxiliary supporting structure according to claim 1, characterized in that a chute for the horizontal movement of the positioning rule (6) is provided inside the mounting seat (701), the height of the inner wall of the chute being slightly greater than the thickness of the positioning rule (6).

3. A percussion drill with auxiliary support structure according to claim 2, characterized in that the sliding seat (703), the cross section of the annular chute (8) is of T-shaped construction, the turning radius of the chute being larger than the outer wall corner diameter of the percussion drill body (1).

4. The impact drill with the auxiliary supporting structure according to claim 1, wherein the top end of the rubber friction block (704) is attached to the bottom end of the positioning ruler (6), the bottom end of the rubber friction block (704) is attached to the inner wall of the annular chute (8), the cross section of the rubber friction block (704) is of a cross-shaped structure, a cross groove for the rubber friction block (704) to slide downwards is formed in the mounting seat (701), and the height of a transverse groove part of the cross groove is larger than that of a transverse part of the rubber friction block (704).