CN218799315U

CN218799315U - Hand-held electric drill

Info

Publication number: CN218799315U
Application number: CN202223226504.4U
Authority: CN
Inventors: 邬俊; 杨泉磊; 姚威; 范伦; 金建红
Original assignee: Shanghai First Construction Installation Engineering Co ltd
Current assignee: Shanghai First Construction Installation Engineering Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-07
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a handheld electric drill, belong to the technical field of drilling equipment, including the electric drill main part and with the power cord of electric drill main part connection, be provided with directional subassembly in the electric drill main part, directional subassembly includes solid fixed ring, the holding ring, many guiding axles and with the spring of guiding axle quantity adaptation, gu fixed ring installs in the electric drill main part, all guiding axles are evenly installed on the holding ring and perpendicular to holding ring, the one end that the holding ring was kept away from to all guiding axles all passes gu fixed ring perpendicularly and can follow self axis direction and slide, the guiding axle axis is parallel with the direction of punching of electric drill main part. This application has the effect that improves the efficiency of punching.

Description

Hand-held electric drill

Technical Field

The application relates to the technical field of punching equipment, in particular to a handheld electric drill.

Background

The handheld electric drill generally includes the electric drill main part and the power cord of being connected with the electric drill main part, when needs punch, installs the drill bit in the electric drill main part usually, is connected power cord and power, aims at the position that needs punch with the drill bit again, starts the electric drill main part after, the drill bit begins to rotate, and the staff need exert the perpendicular to in the electric drill main part this moment and wait to punch the surperficial power, and then make the completion operation of punching that the drill bit can be smooth.

However, when a hole is drilled on a metal surface, for example, when a metal material such as stainless steel is drilled by using a handheld electric drill, since the metal surface is smooth, there is no stable support between the drill bit and the metal surface, and the drill bit generates a rotational force when starting to rotate, the position of the drill bit is easily shifted when the hole is drilled on the metal surface, so that a worker needs to spend extra time to frequently adjust the drilling position in the subsequent drilling process, which reduces the efficiency of drilling on a target position by the worker.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency that the staff punched on the target location, this application provides a handheld electric drill.

The application provides a handheld electric drill adopts following technical scheme:

including the electric drill main part and the power cord of being connected with the electric drill main part, be provided with directional subassembly in the electric drill main part, directional subassembly includes solid fixed ring, the holding ring, many guiding axles and with the spring of guiding axle quantity adaptation, solid fixed ring installs in the electric drill main part, all guiding axles are evenly installed on the holding ring and perpendicular to holding ring, the one end that all guiding axles kept away from the holding ring all passes solid fixed ring perpendicularly and can follow self axis direction and slide, the guiding axle axis is parallel with the direction of punching of electric drill main part.

Through adopting the above technical scheme, make the drill bit with wait to punch when the metal surface butt, holding ring and the metal surface butt of waiting to punch, make the electric drill main part with wait to punch between the surface have stable support, and then make the location of the drill bit in the electric drill main part when preparing to punch accurate, simultaneously also make after starting the electric drill main part, the drill bit can not be easily when waiting to punch on the metal surface and take place the skew, the guiding axle makes the electric drill when punching, the direction when fixed ring removes can not take place the skew to the holding ring, the straightness that hangs down between axis of punching and the metal surface of waiting to punch has been guaranteed, and the spring then makes the staff can exert pressure to the holding ring when the electric drill main part is punching at the hand-held electric drill main part, reduce the possibility that the holding ring takes place at the in-process position of punching, this makes the staff when the metal surface punches, the position of electric drill main part does not stick with paste easy change, thereby it need not spend the time to go to adjust the position of punching to let the off tracking at the in-process of punching, the efficiency of punching at the target position is improved.

Optionally, the fixing ring is provided with a plurality of through holes for the guide shaft to pass through, the number of the through holes is matched with the number of the guide shaft, copper sleeves are respectively installed in all the through holes, the guide shaft passes through the copper sleeves, and the guide shaft can slide along the axis of the guide shaft in the copper sleeves.

Through adopting above-mentioned technical scheme, be provided with the position on solid fixed ring and erect the roof beam all with a plurality of perforation of guiding axle adaptation, and all be provided with the copper sheathing in all perforations, this makes the guiding axle when sliding along self axis in the copper sheathing, the difficult wearing and tearing in surface of guiding axle also are difficult for producing the burr, have guaranteed the gliding smoothness nature of guiding axle in the copper sheathing.

Optionally, a connecting portion is arranged on one side, close to the positioning ring, of the guide shaft, and the connecting portion is connected with the positioning ring in a threaded fit mode.

Through adopting above-mentioned technical scheme, be connected through screw-thread fit's mode between guiding axle and the holding ring for when the staff needs the guiding axle to change, only need with the guiding axle unscrew take out can, make things convenient for the staff to carry out the dismouting to the guiding axle.

Optionally, a limiting boss is installed at one end, away from the connecting portion, of the guide shaft, an inserting hole is formed in the limiting boss, the cross section of the inserting hole is a regular hexagon, and one end, away from the connecting portion, of the guide shaft is in inserting fit with the inserting hole.

Through adopting above-mentioned technical scheme, the one end that connecting portion were kept away from to the guiding axle cooperates with the spliced eye grafting on the spacing boss for dismouting between spacing boss and the guiding axle is comparatively rapid and swift, thereby spacing boss makes the guiding axle keep away from the one end of holding ring and can not influence the result of use from the roll-off in the copper sheathing simultaneously, and the cross-section of spliced eye makes the staff can accomplish being connected and dismantling between guiding axle and the holding ring through the mode of rotating spacing boss for regular hexagon.

Optionally, the guide shaft is provided with scale marks, and the numerical values of the scale marks gradually increase from the direction close to the fixing ring to the direction away from the fixing ring.

Through adopting above-mentioned technical scheme, be provided with the scale mark on the guiding axle, and the numerical value of scale mark from the direction of being close to solid fixed ring towards the direction crescent of keeping away from solid fixed ring, thereby this makes the staff can know the degree of depth of punching according to the guiding axle at the extension length that solid fixed ring kept away from the holding ring one side.

Optionally, an installation block is arranged on the electric drill main body, a groove is formed in the installation block, the fixing ring is embedded in the groove, and a magnet is arranged inside the groove and used for adsorbing the fixing ring.

Through adopting above-mentioned technical scheme, solid fixed ring inlays in establishing the recess on the installation piece, and installs the magnet that is used for adsorbing solid fixed ring in the recess, and this makes solid fixed ring can be comparatively convenient take out in the recess, makes things convenient for the staff to realize being connected between solid fixed ring and the electric drill main part.

Optionally, the side of the positioning ring far away from the spring is provided with an anti-slip layer, and the anti-slip layer is fixedly connected with the positioning ring.

Through adopting above-mentioned technical scheme, the one side that the spring was kept away from to the holding ring is provided with the skid resistant course, and this makes the holding ring and the position can not take place to change easily when waiting to punch the metal surface butt, has guaranteed the accuracy in the position of punching.

Optionally, the outer wall of the fixing ring and the outer wall of the positioning ring are respectively provided with a wire clamping groove, and the wire clamping grooves are used for accommodating power wires.

Through adopting above-mentioned technical scheme, the staff can be with the power cord joint in the card wire casing when not using the electric drill main part to avoid appearing the phenomenon of knoing between the power cord of power cord and other instruments, take the electric drill main part when conveniently punching next time.

To sum up, the present application includes at least the following beneficial technical effects:

1. the contact area between the electric drill main part and the metal surface of waiting to punch has been increased through the holding ring for the hole site is difficult for taking place the skew when the electric drill main part punches, thereby improves the efficiency of punching, and under the effect of guiding axle, when solid fixed ring removed to the holding ring direction in the electric drill main part, gu fixed ring can keep and the holding ring between coaxial, and then reach the effect of guaranteeing to punch the straightness that hangs down.

2. The clamping wire grooves are formed in the outer wall of the positioning ring and the outer wall of the fixing ring, so that the electric drill body can be stored in the clamping wire grooves when not used, knotting of power lines of other tools is avoided, and the effect of taking the electric drill body conveniently next time is achieved.

Drawings

Fig. 1 is a perspective view of a hand held power drill of the present application;

FIG. 2 is a schematic perspective view of FIG. 1 from another perspective;

fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. an electric drill body; 2. a power line; 3. an orientation assembly; 4. a fixing ring; 5. a positioning ring; 6. a guide shaft; 7. a spring; 8. perforating; 9. a copper sleeve; 10. a connecting portion; 11. a limiting boss; 12. inserting holes; 13. scale lines; 14. mounting a block; 15. a groove; 16. a magnet; 17. an anti-slip layer; 18. wire clamping grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses electric hand drill, refer to fig. 1-3, including electric drill main part 1 and the power cord 2 of being connected with electric drill main part 1, be provided with directional subassembly 3 on electric drill main part 1, directional subassembly 3 includes solid fixed ring 4, holding ring 5, the spring 7 of three piece at least guiding axles 6 and quantity and guiding axle adaptation, the three installation piece 14 that is used for being connected with solid fixed ring 4 of fixedly connected with on electric drill main part 1, be provided with recess 15 on the installation piece 14, then be provided with magnet 16 in the recess 15, gu fixed ring 4 is made by the metal, consequently when solid fixed ring 4 inlays to be established in recess 15, magnet 16 plays the adsorption to solid fixed ring 4, make gu fixed ring 4 can not drop on the installation piece 14 easily.

Referring to fig. 1-2, three through holes 8 are further respectively formed in the fixing ring 4 at positions staggered from the mounting block 14, copper sleeves 9 are respectively mounted in the three through holes 8, the three guide shafts 6 respectively penetrate through the different copper sleeves 9, the guide shafts 6 can slide in the copper sleeves 9 in the direction of the axis of the guide shafts, and the copper sleeves 9 enable the appearance of the guide shafts 6 to play a role in protection.

The holding ring 5 is the one end of installing the drill bit in electric drill main part 1, and the guiding axle 6 is connected perpendicularly with holding ring 5 after passing solid fixed ring 4 perpendicularly, and the position that corresponds three guiding axles 6 on holding ring 5 is equipped with the mounting hole respectively, and the one end that guiding axle 6 is close to holding ring 5 is then provided with connecting portion 10, is connected through screw-thread fit's mode between connecting portion 10 and the mounting hole.

Refer to fig. 3, it is further, in order to avoid guiding axle 6 from the interior roll-off of copper sheathing 9, keep away from the other end of holding ring 5 at guiding axle 6 and install spacing boss 11, spliced eye 12 has been seted up on spacing boss 11, spliced eye 12 is used for realizing the grafting cooperation between guiding axle 6 and the spacing boss 11, the cross-section of spliced eye 12 is regular hexagon, and guiding axle 6 keeps away from the one end and the spliced eye 12 adaptation of holding ring 5, this makes the staff can accomplish being connected between guiding axle 6 and the holding ring 5 through the mode of holding spacing boss 11 and rotating spacing boss 11.

Referring to fig. 1, an anti-slip layer 17 is arranged on one side of the positioning ring 5 far away from the spring 7, the anti-slip layer 17 can be made of rubber, the anti-slip layer 17 is fixedly connected with the positioning ring 5, and the anti-slip layer 17 is used for abutting against a metal surface to be punched, so that the friction force between the positioning ring 5 and the metal surface to be punched is increased.

And the three springs 7 are positioned between the fixed ring 4 and the positioning ring 5 and are respectively sleeved on the three guide shafts 6, one end of each spring 7 is fixedly connected with the positioning ring 5, and the other end of each spring 7 is fixedly connected with the fixed ring 4. This makes can also in time reset after the distance between retaining ring 5 and the solid fixed ring 4 changes when the electric drill main part 1 carries out the operation of punching, makes the distance between solid fixed ring 4 and the retaining ring 5 diminish simultaneously, and spring 7 can also exert pressure to retaining ring 5, and further makes retaining ring 5 when the electric drill main part 1 carries out the operation of punching, the butt can not take place the skew easily in the position of the metal surface of treating punching.

And in order to facilitate the punching depth of a worker during punching, the guide shaft 6 is further provided with scale marks 13, the scale marks 13 are located between the fixing ring 4 and the positioning ring 5, the numerical value on the scale marks 13 gradually increases from the direction close to the fixing ring 4 to the direction away from the fixing ring 4, and the 0-scale position of the scale marks 13 is flush with the surface, close to the positioning ring 5, of the fixing ring 4 under the condition that the spring 7 is at the natural length.

Referring to fig. 2, further, the outer wall of the fixing ring 4 and the outer wall of the positioning ring 5 are provided with wire clamping grooves 18, so that when drilling is not needed, a worker can clamp the free end part of the power line 2 connected to the electric drill main body 1 in the two wire clamping grooves 18, the probability of knotting between the power line 2 on the electric drill main body 1 and the power lines 2 of other tools is reduced, and the worker can take the electric drill for the next time.

The implementation principle of the embodiment of the application is as follows: when needs punch, the one side that is provided with skid resistant course 17 with holding ring 5 with treat the metal surface butt that punches, the most advanced of the drill bit on the electric drill main part 1 this moment just with the metal surface butt that treats punches, then start electric drill main part 1, the drill bit begins the rotation operation of punching, the staff holds electric drill main part 1 and applys the perpendicular to for the drill bit and treats the metal surface's that punches power, this moment, along with the continuous deepening of the degree of depth of punching, the distance between solid fixed ring 4 and the holding ring 5 diminishes gradually, spring 7 is in compression state, spring 7 applys the pressure of the metal surface that treats punching of perpendicular to for holding ring 5, the further holding ring 5 of having guaranteed on spring 7 and the holding ring 5 can not take place the skew in the position of treating the metal surface that punches, thereby the accuracy in the position of punching has been guaranteed, and simultaneously, under the effect of guiding axle 6, can guarantee the moving direction perpendicular to the metal surface that solid fixed ring 4 treats punching, thereby guarantee electric drill main part 1 when punching, after punching, pack up power cord 2 card into the straightness that hangs down can in the card slot 18 on solid fixed ring 4 and the holding ring 5 with the power cord.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a handheld electric drill, including electric drill main part (1) and with power cord (2) that electric drill main part (1) is connected, its characterized in that: be provided with orientation subassembly (3) on electric drill main part (1), orientation subassembly (3) including solid fixed ring (4), holding ring (5), many guiding axle (6) and with spring (7) of guiding axle (6) quantity adaptation, gu fixed ring (4) is installed on electric drill main part (1), all guiding axle (6) are evenly installed on holding ring (5) and perpendicular with holding ring (5), all guiding axle (6) are kept away from the one end of holding ring (5) is all passed perpendicularly gu fixed ring (4) and with gu fixed ring (4) sliding fit, the axis of guiding axle (6) with the direction of punching of electric drill main part (1) is parallel, spring (7) are established respectively on guiding axle (6), spring (7) one end with gu fixed ring (4) are connected, the spring (7) other end with holding ring (5) are connected.

2. A hand held electric drill according to claim 1 wherein: be provided with a plurality of confessions on solid fixed ring (4) perforation (8) that guiding axle (6) passed, perforation (8) quantity with guiding axle (6) quantity adaptation, install copper sheathing (9) in perforation (8) respectively, guiding axle (6) are worn to locate in copper sheathing (9), guiding axle (6) are in can follow self axis in copper sheathing (9) and slide.

3. A hand held electric drill according to claim 1 wherein: the guide shaft (6) is close to one side of the positioning ring (5) and is provided with a connecting part (10), and the connecting part (10) is connected with the positioning ring (5) in a thread fit mode.

4. A hand held electric drill according to claim 3 wherein: the guide shaft (6) is far away from one end of the connecting part (10) and is provided with a limiting boss (11), the limiting boss (11) is provided with an inserting hole (12), the cross section of the inserting hole (12) is a regular hexagon, and one end of the guide shaft (6) far away from the connecting part (10) is in inserting fit with the inserting hole (12).

5. A hand held electric drill according to claim 2 wherein: be provided with scale mark (13) on guide shaft (6), the numerical value of scale mark (13) is followed and is close to the direction of solid fixed ring (4) is towards keeping away from the direction of solid fixed ring (4) is crescent.

6. A hand held electric drill according to claim 1 wherein: be equipped with installation piece (14) on electric drill main part (1), set up on installation piece (14) fluted (15), gu fixed ring (4) inlay to establish lie in recess (15), be equipped with magnet (16) in recess (15), magnet (16) are used for adsorbing gu fixed ring (4).

7. A hand held electric drill according to claim 1 wherein: keep away from holding ring (5) the one side of spring (7) is provided with skid resistant course (17), skid resistant course (17) with holding ring (5) fixed connection.

8. A hand held electric drill according to claim 1 wherein: the outer wall of the fixing ring (4) and the outer wall of the positioning ring (5) are respectively provided with a wire clamping groove (18), and the wire clamping groove (18) is used for accommodating the power line (2).