CN210147060U

CN210147060U - Hand-held electric drill with protective device

Info

Publication number: CN210147060U
Application number: CN201920380573.XU
Authority: CN
Inventors: 孟祥立; 余兵; 刘东风
Original assignee: Beijing Huanyu Elevator Engineering Co Ltd
Current assignee: Beijing Huanyu Elevator Engineering Co Ltd
Priority date: 2019-03-23
Filing date: 2019-03-23
Publication date: 2020-03-17
Anticipated expiration: 2029-03-23

Abstract

The utility model relates to a take protector's hand-held type electric drill in drilling equipment field, this take protector's hand-held type electric drill includes the electric drill body and is located the electric drill body on be used for installing the drill bit the drill chuck, the electric drill body is close to drill chuck one side and is provided with protector, protector includes the solid fixed ring that sets up on electric drill body outer wall, gu fixed ring is close to drill bit processing position one side and is connected with the telescopic lantern ring, lantern ring cover is located on the drill bit and along axial direction parallel arrangement with the drill bit, the lantern ring includes that the canned paragraph and the cover of being connected with solid fixed ring locate on the canned paragraph and can follow the canned paragraph axial direction section of sliding, be provided with on the canned paragraph and make the section of sliding tend to the elastic component of. Through the antiskid of design, can wrap up the sweeps of drill bit and production in the sleeve pipe, prevent to cause the injury to operating personnel, improve the factor of safety of operating personnel reproduction in-process.

Description

Hand-held electric drill with protective device

Technical Field

The utility model relates to a drilling equipment field especially relates to a take protector's hand-held type electric drill.

Background

The electric drill is a tool for drilling, screwing and screwing; electric drills include three types, namely electric hand drills, impact drills and hammer drills, the electric hand drills are most widely used at present, and the electric hand drills are applied to multiple fields of building industry, medical treatment, mechanical manufacturing, aeronautical manufacturing, ship manufacturing and the like.

Chinese patent No. CN108466901A discloses a hand-held speed-adjustable electric drill, the handheld speed-regulating electric drill comprises a casing with a holding part, a motor is arranged in the casing, the motor is in transmission connection with an output mechanism through a speed reducing mechanism, the speed reducing mechanism is provided with a gear shifting ring, the gear ring is at least provided with a first gear and a second gear which are axially and respectively realize high speed and low speed, a position which can be touched by fingers above and behind the holding part is provided with a speed shifting control part, the speed shifting control part is a shifting button which can be shifted and is positioned at the position which can be touched by fingers above and behind the holding part, the front end of the shifting button is provided with an upward fork which is meshed with a downward hook head at the rear end of a strip-shaped connecting piece, the front end of the strip-shaped connecting piece is connected with the upper end of a driving lever which is hinged in the casing and serves as a gear shifting ring driving piece, the lower end of the driving lever is.

The handheld speed-regulating electric drill comprises the following components in the working process: when the motor works, when the toggle button is toggled to move, the strip-shaped connecting piece is driven to move back and forth, the driving lever swings along with the strip-shaped connecting piece, so that the gear shifting gear ring is shifted between a first gear and a second gear in the axial direction as required, high-speed and low-speed switching is carried out, and the speed reducing mechanism drives the output mechanism to move.

This handheld speed governing electric drill is at the working process, and the in-process of driling, the circumstances such as the sweeps that produce in a large number or take place the drill bit to snap because of operating personnel misoperation all can cause the injury to operating personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take protector's hand-held type electric drill, the antiskid of design can wrap up the sweeps of drill bit and production at the cover intraductal at drilling process, prevents to cause the injury to operating personnel, improves operating personnel's factor of safety in process of production.

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

the utility model provides a take protector's hand-held type electric drill, includes the electric drill body and is located the rolling head of the brill that is used for installing the drill bit on the electric drill body, the electric drill body is close to rolling head one side and is provided with protector, protector include in the solid fixed ring that sets up on the rolling head lateral wall of brill, gu fixed ring is close to drill bit processing position one side and is connected with the telescopic lantern ring, lantern ring cover locate on the drill bit and along axial direction parallel arrangement with the drill bit, the lantern ring include with gu fixed ring is connected the canned paragraph and the cover locate gu fixed section is last and can be followed the canned paragraph axial direction section of sliding, be provided with in the canned paragraph and make the section of sliding tend to the elastic component of keeping away from solid fixed.

By implementing the technical scheme, a proper drill bit is selected and is arranged on the drilling and rolling head, when the electric drill body works, the drill bit processes a workpiece, the sliding section moves to deform the elastic part, one end of the sliding section, which is far away from the fixed section, is in contact with the workpiece, and waste materials generated in the processing process fall into the sliding section; the protector of design can prevent to cause the injury to operating personnel with the sweeps parcel of drill bit and production at the drilling in-process in the sleeve pipe, improves the factor of safety of operating personnel reproduction in-process, collects the garbage simultaneously, the garbage collection of being convenient for.

The utility model discloses further set up to, the section of sliding with be provided with locking Assembly between the retaining ring, locking Assembly is including being located a plurality of first latch segments on the section periphery wall of sliding, gu be provided with on the retaining ring with the second latch segment that first latch segment corresponds runs through the second latch segment and is provided with the screw rod with first latch segment threaded connection.

Through the implementation of the technical scheme, the screw rod is rotated, penetrates through the first locking block and is in threaded connection with the second locking block, the second locking piece drives the sliding section to slide, the sliding section moves towards one side of the fixing ring, when the drill bit is convenient to install when the drill rolling head moves, the drill bit can be installed, the screw rod is rotated, the screw rod is separated from the second locking block, and the sliding section can stretch under stress; the locking assembly is convenient for adjusting the position of the sliding section, so that the drill bit is convenient to install.

The utility model discloses further set up to, the screw rod is kept away from first locking piece one end and is provided with the turning handle.

Through the implementation of the technical scheme, the rotating handle is adjusted, the rotating handle drives the screw rod to rotate, the screw rod penetrates through the first locking block and is in threaded connection with the second locking block, the second locking piece drives the sliding section to slide, the sliding section moves towards one side of the fixing ring, when the drill chuck is moved to a position where the drill bit is convenient to mount, the drill bit can be mounted, the rotating handle is rotated, the rotating handle drives the screw rod to rotate, the screw rod is separated from the second locking block, and the sliding section can stretch under stress; the rotating handle is convenient for applying force to the rotating rod in a centralized way and is convenient for driving the rotating rod to rotate.

The utility model discloses further set up to, the canned paragraph is close to the section one end of sliding is provided with the flaring boss, the section of sliding is close to canned paragraph one end be provided with can with the binding off dog of flaring boss butt.

Through implementing above-mentioned technical scheme, the setting of flaring boss and binding off dog can prevent to slide section and canned paragraph separation, can not follow the canned paragraph roll-off when making the section that slides.

The utility model discloses further set up to, be provided with the guide way on the section inner wall that slides, be provided with on the flaring boss periphery wall with the guide way cooperation just can follow the direction bead that the guide way slided.

By implementing the technical scheme, when the sliding section slides along the fixed section, the sliding section drives the guide groove to move, and the guide convex edge moves along the guide groove; the setting of guide way and direction bead makes the section of sliding can not rotate along the fixed section, reduces the wearing and tearing of elastic component, increase of service life.

The utility model discloses further set up to, the elastic component is located including the cover spring on the canned paragraph, spring one end is supported tightly on the lateral wall that solid fixed ring is close to lantern ring one side, and the other end is close to the lateral wall laminating of solid fixed ring one side with the section of sliding.

Through implementing above-mentioned technical scheme, when the section atress of sliding moved to solid fixed ring one side, the spring compression, the spring normality can make binding off dog and flaring boss butt, and the spring enables the section of sliding and resets, protects operating personnel.

The utility model discloses further set up to, the section of sliding is provided with the observation window along axial direction.

Through implementing above-mentioned technical scheme, the observation window is convenient for the drill bit and is processed the machined part in the assigned position, observes the course of working.

The utility model discloses further set up to, the observation window corresponds one side and is provided with the discharge gate that is located the section of sliding, in discharge gate department is provided with and is located the section of sliding lateral wall and the dump bin that communicates with the discharge gate.

Through implementing above-mentioned technical scheme, the waste material falls into the section that slides, falls into the garbage bin from the discharge gate of the section that slides again, is convenient for collect the waste material.

The utility model discloses further set up to, the section of sliding is kept away from canned paragraph one end and is provided with the rubber packing ring.

Through implementing above-mentioned technical scheme, the rubber packing ring that the section of sliding and the machined part set up can make canned paragraph and machined part laminating, avoids the waste material to fall into the section of sliding.

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

the anti-slip device designed by the handheld electric drill with the protective device can wrap a drill bit and generated scraps in a sleeve, so that the injury to an operator is prevented, and the safety factor of the operator in the reproduction process is improved.

The waste material box designed by the handheld electric drill with the protection device can be used for collecting waste materials in a centralized manner.

Drawings

Fig. 1 is the utility model provides a take protector hand-held type electric drill overall structure sketch map.

Fig. 2 is a schematic structural view of the protection device provided by the present invention.

Fig. 3 is a schematic view of a half-section structure of the protection device provided by the utility model.

Fig. 4 is a schematic diagram of the structure of the electric drill body provided by the present invention, which is intended to show the chuck.

Fig. 5 is a schematic view of the structure of the fixing section according to the present invention, which is intended to show the guiding rib.

Reference numerals: 1. an electric drill body; 11. drilling and rolling a head; 2. a guard; 21. a fixing ring; 211. a second locking block; 22. a collar; 23. a sand outlet; 221. a fixed section; 2211. a guide rib; 2212. flaring bosses; 222. a slipping section; 2221. a first locking block; 2222. a closing-in stop block; 2223. a guide groove; 223. a discharge port; 23. a spring; 24. a screw; 241. a handle is rotated; 3. an observation window; 4. a rubber gasket; 5. a waste bin.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a hand-held electric drill with a protective device, see fig. 4, includes an electric drill body 1 and a chuck 11 located on the electric drill body 1 and used for installing a drill bit, the electric drill body 1 is provided with the protective device 2 near one side of the chuck 11, the protective device 2 includes a fixing ring 21 arranged on the outer wall of the electric drill body 1, the fixing ring 21 is near a telescopic lantern ring 22 fixedly connected to one side of a drill bit processing position, and the lantern ring 22 is provided with a rubber washer 4 far away from one end of the fixing ring 21.

As shown in fig. 2 and 3, the collar 22 is sleeved on the drill and arranged parallel to the drill along the axial direction, the collar 22 includes a fixed section 221 fixedly connected to the fixed ring 21 and a sliding section 222 sleeved on the fixed section 221 and capable of sliding along the axial direction of the fixed section 221, the rubber gasket 4 is arranged at one end of the sliding section 222 away from the fixed section 221, a guide groove 2223 along the axial direction of the collar 22 is arranged on the inner wall of the sliding section 222, referring to fig. 5, a guide convex ridge 2211 matched with the guide groove 2223 and capable of sliding along the guide groove 2223 is arranged on the outer circumferential wall of the flared convex boss 2212, a flared convex boss 2212 is arranged at one end of the fixed section 221 close to the sliding section 222, a closed stop 2222 capable of abutting against the flared convex boss 2212 is arranged at one end of the sliding section 222 close to the fixed section 221, an elastic member for making the sliding section 222 tend to move towards one side away from the fixed ring 21 is arranged on the, one end of the spring 23 abuts against the side wall of the fixed ring 21 close to the collar 22, and the other end of the spring is attached to the side wall of the sliding section 222 close to the fixed ring 21.

As shown in fig. 3, the sliding section 222 is provided with an observation window 3 along the axial direction, one side of the observation window 3 corresponding to the observation window is provided with a discharge port 223 located on the sliding section 222, a mounting seat located on the outer side wall of the sliding section 222 and communicated with the discharge port 223 is arranged at the discharge port 223, and the mounting seat is in threaded connection with a waste bin 5.

As shown in fig. 3, a locking assembly is disposed between the sliding section 222 and the fixing ring 21, the locking assembly includes a first locking block 2221 located on the outer peripheral wall of the sliding section 222, a second locking block 211 corresponding to the first locking block 2221 is disposed on the fixing ring 21, a screw 24 threaded with the first locking block 2221 is disposed through the second locking block 211, and a rotating handle 241 is disposed at one end of the screw 24, which is far away from the first locking block 2221.

The utility model discloses locking Assembly's accommodation process is: the rotating handle 241 is rotated, the rotating handle 241 drives the screw rod 24 to rotate, the screw rod 24 penetrates through the first locking block 2221 to lock the second locking block 211, the second locking piece drives the sliding section 222 to slide, the sliding section 222 moves towards one side of the fixing ring 21, the sliding section 222 moves to the drilling and rolling head 11 to facilitate installation of a drill bit, the rotating handle 241 stops rotating, the drill bit is installed, after installation is completed, the rotating handle 241 is rotated, the rotating handle 241 drives the screw rod 24 to rotate, the moving screw rod 24 is separated from the second locking block 211, the spring 23 acts, the sliding section 222 is pushed to one side far away from the fixing ring 21, and the moving section moves to the closing-in stop 2222 to be abutted against the.

The utility model discloses a theory of operation is: adjust locking Assembly and select suitable drill bit, install the drill bit on the chuck 11, electric drill body 1 work, the drill bit aims at the machined part, process, the drill bit moves to the machined part internalization, rubber gasket 4 and machined part laminating, the section of sliding 222 moves to fixed section 221 one side, the direction bead 2211 slides along guide way 2223 simultaneously, the compression of elastic spring, to finishing to the machined part processing, the waste material that produces in the course of working falls into the section of sliding 222, again from the section of sliding 222 fall into waste material case 5, after finishing, take out electric drill body 1, rotate waste material case 5, put into the garbage bin with the waste material.

Claims

1. A hand-held electric drill with a protective device comprises an electric drill body (1) and a drilling rolling head (11) which is positioned on the electric drill body (1) and used for mounting a drill bit, it is characterized in that one side of the electric drill body (1) close to the drill chuck (11) is provided with a protective device (2), the protective device (2) comprises a fixing ring (21) arranged on the outer wall of the electric drill body (1), one side of the fixed ring (21) close to the drill bit processing part is connected with a telescopic lantern ring (22), the lantern ring (22) is sleeved on the drill bit and is arranged in parallel with the drill bit along the axial direction, the lantern ring (22) comprises a fixed section (221) connected with the fixed ring (21) and a sliding section (222) sleeved on the fixed section (221) and capable of sliding along the axial direction of the fixed section (221), the fixed section (221) is provided with an elastic piece which enables the sliding section (222) to tend to move towards the side far away from the fixed ring (21).

2. The electric hand drill with the protection device is characterized in that a locking assembly is arranged between the sliding section (222) and the fixing ring (21), the locking assembly comprises a plurality of first locking blocks (2221) located on the outer circumferential wall of the sliding section (222), a second locking block (211) corresponding to the first locking blocks (2221) is arranged on the fixing ring (21), and a screw (24) in threaded connection with the first locking blocks (2221) is arranged to penetrate through the second locking block (211).

3. The electric hand drill with guard according to claim 2, characterized in that the end of the threaded rod (24) away from the first locking block (2221) is provided with a rotary handle (241).

4. The electric hand drill with the protection device is characterized in that one end, close to the sliding section (222), of the fixing section (221) is provided with a flaring boss (2212), and one end, close to the fixing section (221), of the sliding section (222) is provided with a closing stop (2222) capable of abutting against the flaring boss (2212).

5. The electric hand drill with the protection device is characterized in that a guide groove (2223) is formed in the inner wall of the sliding section (222), and a guide convex rib (2211) which is matched with the guide groove (2223) and can slide along the guide groove (2223) is formed in the outer peripheral wall of the flaring boss (2212).

6. The electric hand drill with the protection device is characterized in that the elastic piece comprises a spring (23) sleeved on the fixing section (221), one end of the spring (23) is abutted against the side wall of one side, close to the lantern ring (22), of the fixing ring (21), and the other end of the spring is attached to the side wall of one side, close to the fixing ring (21), of the sliding section (222).

7. A shielded hand held electric drill according to claim 1 characterised in that the slip segment (222) is provided with a viewing window (3) in the axial direction.

8. The electric hand drill with the protection device is characterized in that a discharge hole (223) formed in the sliding section (222) is formed in one side, corresponding to the observation window (3), of the electric hand drill with the protection device according to claim 7, and a waste bin (5) which is located on the outer side wall of the sliding section (222) and is communicated with the discharge hole (223) is arranged at the discharge hole (223).

9. The hand-held electric drill with the protection device according to claim 1, characterized in that one end of the sliding section (222) far away from the fixing section (221) is provided with a rubber gasket (4).