CN212602633U

CN212602633U - Electric drill

Info

Publication number: CN212602633U
Application number: CN202020819992.1U
Authority: CN
Inventors: 张海峰
Original assignee: Shaanxi Jingdu Construction Engineering Co ltd
Current assignee: Shaanxi Jingdu Construction Engineering Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-26
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to an electric drill, its include the organism, with the drill bit that the organism is connected, the drill bit overcoat be equipped with just transparent dust-proof box is connected to the organism, dust-proof box with be provided with the installation department between the organism, dust-proof box deviates from organism one side is provided with the opening, the organism rotates and is connected with the pivot, the pivot is connected with the blade, the pivot is connected with drive structure, dust-proof box orientation organism one side is provided with the air exit with external intercommunication. The utility model discloses have and be convenient for collect and handle the dust that the in-process that punches produced, the effect that collection efficiency is high.

Description

Electric drill

Technical Field

The utility model belongs to the technical field of electric tool technique and specifically relates to an electric drill is related to.

Background

The working principle of the electric drill is that a motor rotor of an electromagnetic rotary type or electromagnetic reciprocating type small-capacity motor does magnetic field cutting work-doing operation, and the operation device is driven by a transmission mechanism to drive a gear to increase the power of a drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object.

Chinese utility model patent with grant bulletin No. CN209550669U discloses an electric drill, which comprises a machine body, a gear box arranged at the lower end of the machine body and a handle arranged at one end of the machine body, the other end of the machine body is horizontally extended and provided with a drill body mounting seat, the outer ring surface of the drill body mounting seat is provided with a dust collecting mechanism in a matching way, one end of a drill bit is arranged at the end part of the drill body mounting seat, the other end of the drill bit passes through the dust collecting mechanism and is positioned in the dust collecting mechanism, the dust collecting mechanism comprises a dust collecting part and a mounting part matched with the drill body mounting seat, the dust collecting part comprises a dust collecting box made of transparent hard material, the upper part of one end of the dust collecting box far away from the mounting part is provided with an opening, a guide rod which enables the dust collecting box to move back and forth relative to the mounting part is arranged between the end of the dust collecting part far away from, thereby avoiding the dust from overflowing in the air and greatly improving the air quality of the working environment.

The above prior art solutions have the following drawbacks: the dust that produces in the use falls into the dust collection box under self action of gravity, and the dust can irregularly fly away and attach to each position of dust collection box, and collection efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an electric drill, it has the dust that is convenient for produce the in-process that punches and collects and handle, the effect that collection efficiency is high.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an electric drill, includes the organism, with the drill bit that the organism is connected, the drill bit overcoat be equipped with just transparent dust-proof box is connected to the organism, dust-proof box with be provided with the installation department between the organism, dust-proof box deviates from organism one side is provided with the opening, the organism rotates and is connected with the pivot, the pivot is connected with the blade, the pivot is connected with the drive structure, dust-proof box orientation organism one side is provided with the air exit with external intercommunication.

By adopting the technical scheme, the transparent dust-proof box is sleeved outside the drill bit, so that dust generated in the using process of the electric drill is collected, and the electric drill is prevented from splashing to influence the sight and the body health of constructors; the opening of the dust-proof box enables the electric drill to extend out of the position to be in contact with the wall surface, and the dust-proof box is enabled to be in contact with the wall surface all the time under the action of the mounting part, so that dust splashed in the punching process enters the dust-proof box; the organism rotates the pivot that is connected and has the blade, rotates under the drive structure effect, and with the air exit cooperation, through accelerating gas exchange for the dust that splashes moves towards the blade position, makes the dust accelerate to fall in dustproof box under the combined action with gravity simultaneously, improves the efficiency that the dust was collected.

The utility model discloses further set up to: the driving structure comprises a driving gear sleeved on the periphery of the drill bit and a driven gear sleeved on the periphery of the rotating shaft and meshed with the driving gear.

Through adopting above-mentioned technical scheme, drive arrangement adopts intermeshing's driving gear and driven gear, thereby it rotates to drive the driving gear in drill bit pivoted, thereby drive driven gear and rotate, pivot and blade rotation this moment, form and extract air the fan, the blade rotates the in-process and accelerates gas flow, the dust that drives the production moves towards the blade position, and fall to in the dustproof box in the dual function of gravity, thereby realize the guide to the dust collection position, prevent that the dust from splashing and filling up to each position of dustproof box, difficult clearance.

The utility model discloses further set up to: the blade orientation opening one side be provided with dust-proof box inner wall fixed connection's baffle, the baffle is located the blade with between the organism, the pivot is passed the baffle just the blade with the baffle rotates to be connected, just the blade with the pivot is followed pivot axial sliding connects.

By adopting the technical scheme, the space of the dust-proof box is divided into two parts by the arrangement of the baffle plate, and the two parts are communicated through the blades, so that the air draft and air exchange effects of the blades can be enhanced, and the dust collection efficiency is improved; fixed connection between blade and the pivot, the baffle is passed to the pivot simultaneously, and rotates between blade and the baffle to be connected for when actuating mechanism drives the pivot and rotates, the blade rotates thereupon, and can not influenced by the baffle, and when expanding spring shrink drove the dust-proof box and moved for the organism, the baffle moved thereupon, and the baffle drives the blade and moves along pivot axial displacement this moment, makes the rotation of blade not influenced by the dust-proof box removal.

The utility model discloses further set up to: one side of the blade, which faces the opening, is provided with a filter screen connected with the baffle.

Through adopting above-mentioned technical scheme, the setting of filter screen can prevent that the blade from rotating the in-process, and the dust adsorbs in the blade surface to lead to the blade dead weight to increase, rotate the process power consumption more, the difficult clearance of blade in addition, the dust can't pass through the filter screen, thereby the life of extension blade.

The utility model discloses further set up to: the installation department include with the connecting piece of organism joint, and both ends respectively with the connecting piece reaches dust-proof box fixed connection's expanding spring, the flexible direction perpendicular to of expanding spring the connecting piece.

Through adopting above-mentioned technical scheme, with dust-proof box opening one side and wall butt in the use to exert external force and make the expanding spring shrink, the dust-proof box removes for the organism, thereby makes the drill bit stretch out opening position and wall contact, carries out the drilling operation, and expanding spring guarantees among the drilling process dust-proof box opening one side all the time with the wall butt, and then guarantees the collection effect of dust-proof box to the dust.

The utility model discloses further set up to: and a telescopic rod is also arranged between the connecting piece and the dustproof box.

Through adopting above-mentioned technical scheme, the flexible pole that rises can improve the stability of being connected between connecting piece and the dust proof box, leads for the organism removal in-process at the dust proof box simultaneously.

The utility model discloses further set up to: the dustproof box is provided with a discharge port, and the discharge port is provided with a material collecting groove with an opening facing the drill bit.

Through adopting above-mentioned technical scheme, the dust of collecting in the dustproof box is convenient for collect to the discharge gate of dustproof box and the collection silo of discharge gate position sets up, only need take off the collection silo when clearing up the dust of collecting simultaneously can, need not be with the whole dismantlement of dustproof box, the simple operation.

The utility model discloses further set up to: the outer side wall of the opening side of the dust-proof box is provided with a flexible rubber material.

Through adopting above-mentioned technical scheme, dust-proof box opening side and wall butt during the use, the wearing and tearing of dust-proof box can be reduced in the setting of flexible rubber material, make simultaneously to be connected inseparabler between dust-proof box and the wall, and then guarantee that the dust that produces in electric drill working process wall department can furthest be collected by dust-proof box, improve collection efficiency.

To sum up, the utility model discloses a beneficial technological effect does:

1. the dust-proof box is arranged outside the drill bit in a covering mode, and meanwhile the rotating shaft and the blades are arranged in the dust-proof box, when the drill bit rotates, the blades rotate through transmission of the driving gear and the driven gear, and exchange of gas in the dust-proof box is achieved, so that dust is attracted to move towards the positions of the blades and is matched with the action of gravity to achieve directional collection of the dust, and collection efficiency is improved;

2. the dust-proof box is connected with the machine body through the mounting part consisting of the connecting piece, the telescopic rod and the telescopic spring, so that the dust-proof box can move relative to the machine body, the dust-proof box is always abutted against the wall in the using process of the electric drill, meanwhile, the dust-proof box is also provided with a flexible rubber material towards one side of the wall to ensure the abutting effect between the dust-proof box and the wall, and the service life of the dust-proof box is prolonged;

3. the dust collecting groove at the discharge port of the dustproof box and the discharge port is convenient to collect dust collected in the dustproof box, and the collected dust is cleaned only by taking down the dust collecting groove, so that the dustproof box is not required to be disassembled completely, and the operation is convenient.

Drawings

Fig. 1 is the utility model provides an electric drill overall structure sketch map.

Fig. 2 is a schematic sectional view along a-a of fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a machine body; 2. a drill bit; 3. a dust-proof box; 4. an installation part; 41. a connecting member; 42. a tension spring; 43. a telescopic rod; 5. an opening; 6. a rotating shaft; 7. a blade; 8. a drive structure; 81. a driving gear; 82. a driven gear; 9. an air outlet; 10. a baffle plate; 11. a filter screen; 12. a discharge port; 13. a material collecting groove; 14. a flexible rubber material.

Detailed Description

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

Referring to fig. 1, for the utility model discloses an electric drill, including organism 1, organism 1 is connected with

drill bit

2, and 2 overcoat of drill bit are equipped with and are connected just transparent dust-proof box 3 with organism 1, are connected through installation department 4 between dust-proof box 3 and the organism 1, and dust-proof box 3 deviates from organism 1 one side and is provided with opening 5. Drill bit 2 need wear out 5 positions of opening and wall contact in the use, installation department 4 adopts the connecting piece 41 with 1 joint of organism in this embodiment, and both ends respectively with connecting piece 41 and dust-proof box 3 fixed connection's expanding spring 42, the flexible direction perpendicular to connecting piece 41 of expanding spring 42, the expanding spring 42 overcoat is equipped with telescopic link 43, the stability of being connected between dust-proof box 3 and the organism 1 can be strengthened in setting up of telescopic link 43, the flexible process of expanding spring 42 and the dust-proof box 3 removal process are led simultaneously. The lateral wall outside the opening 5 side of the dust-proof box 3 is provided with a flexible rubber material 14, and the flexible rubber material 14 in the embodiment adopts a rubber pad to ensure the tightness of connection between the dust-proof box 3 and the wall and further improve the dust collection efficiency, and reduce the abrasion of the dust-proof box 3. The dust-proof box 3 is provided with a discharge port 12, and a material collecting groove 13 with an opening 5 facing the drill bit 2 is arranged at the position of the discharge port 12.

As shown in fig. 2, the body 1 is rotatably connected with a rotating shaft 6, the rotating shaft 6 is provided with a sliding groove along the axial direction thereof, the sliding groove is internally provided with a blade 7 fixedly connected with the blade 7, the rotating shaft 6 is connected with a driving device for driving the rotating shaft to rotate, and one side of the dust-proof box 3 facing the body 1 is provided with an air outlet 9 communicated with the outside for balancing air pressure and exchanging air. In the present embodiment, the driving device is configured as a driving gear 81 sleeved on the outer periphery of the drill 2, and a driven gear 82 sleeved on the outer periphery of the rotating shaft 6 and engaged with the driving gear 81, and the drill 2 rotates by the driving belt moving blade 7 of the driving gear 81 and the driven gear 82. As shown in fig. 3, in order to improve the dust adsorption effect of the blade 7, a baffle 10 fixedly connected with the inner wall of the dust box 3 is arranged on one side of the blade 7 facing the opening 5, the baffle 10 is located between the blade 7 and the machine body 1, the rotating shaft 6 penetrates through the baffle 10, the blade 7 is rotatably connected with the baffle 10, and a filter screen 11 connected with the baffle 10 is arranged on one side of the blade 7 facing the opening 5.

The implementation principle of the embodiment is as follows: when the dust-proof box is used, one side of the opening 5 of the dust-proof box 3 faces to a wall and abuts against the wall, external force is applied to enable the telescopic rod 43 and the telescopic spring 42 to contract, the dust-proof box 3 moves relative to the machine body 1 until the drill bit 2 contacts with the wall and starts to drill, the telescopic rod 43 and the telescopic spring 42 are arranged to ensure that the dust-proof box 3 always abuts against the wall in the working process of the drill bit 2, and meanwhile, dust is adsorbed to the maximum extent. The driving gear 81 rotates along with the drill bit 2 when rotating, so that the driven gear 82 meshed with the driving gear 81 is driven to rotate, the rotating shaft 6 and the blades 7 rotate along with the rotating shaft 6, gas exchange is carried out in the dust-proof box 3, the baffle plate 10 is driven to move when the dust-proof box 3 moves, the blades 7 connected with the baffle plate 10 in a rotating mode are driven to move along the rotating shaft 6 in an axial direction, and normal rotation of the blades 7 is not influenced when the blades 7 move along with the baffle plate 10. Blade 7 rotates and makes the dust adsorb to blade 7 position along with the air to collect and clear up in collecting tank 13 under filter screen 11 and the action of gravity, thereby prevent that the dust from filling up difficult clearance in each position in dust-proof box 3, improve cleaning efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An electric drill comprising a body (1), a drill bit (2) connected to said body (1), characterized in that: drill bit (2) overcoat be equipped with organism (1) is connected and transparent dust-proof box (3), dust-proof box (3) with be provided with installation department (4) between organism (1), dust-proof box (3) deviate from organism (1) one side is provided with opening (5), organism (1) rotates and is connected with pivot (6), pivot (6) are connected with blade (7), pivot (6) are connected with drive structure (8), dust-proof box (3) orientation organism (1) one side is provided with air exit (9) with external intercommunication.

2. An electric drill according to claim 1 wherein: the driving structure (8) comprises a driving gear (81) which is sleeved on the periphery of the drill bit (2) and a driven gear (82) which is sleeved on the periphery of the rotating shaft (6) and is meshed with the driving gear (81).

3. An electric drill according to claim 2 wherein: blade (7) orientation opening (5) one side be provided with dust-proof box (3) inner wall fixed connection's baffle (10), baffle (10) are located blade (7) with between organism (1), pivot (6) are passed baffle (10) just blade (7) with baffle (10) rotate to be connected, just blade (7) with pivot (6) are followed pivot (6) axial sliding connects.

4. A power drill according to claim 3 wherein: and a filter screen (11) connected with the baffle (10) is arranged on one side of the blade (7) facing the opening (5).

5. An electric drill according to claim 1 wherein: installation department (4) include with connecting piece (41) of organism (1) joint, and both ends respectively with connecting piece (41) reach dust-proof box (3) fixed connection's expanding spring (42), the flexible direction perpendicular to of expanding spring (42) connecting piece (41).

6. An electric drill according to claim 5 wherein: and a telescopic rod (43) is further arranged between the connecting piece (41) and the dustproof box (3).

7. An electric drill according to claim 1 wherein: the dust-proof box (3) is provided with a discharge hole (12), and an opening (5) facing to a material collecting groove (13) of the drill bit (2) is arranged at the position of the discharge hole (12).

8. An electric drill according to claim 1 wherein: the outer side wall of the opening (5) side of the dust-proof box (3) is provided with a flexible rubber material (14).