CN110369762A - A kind of electric drill and its dust collection method having dust-absorbing function - Google Patents

Abstract

The present invention discloses a kind of electric drill and its dust collection method for having dust-absorbing function, belongs to the technical field of electric drill.The dust exhaust apparatus for including: electric hammer ontology and being arranged on the electric hammer ontology；The dust exhaust apparatus includes: the taper dust hood being connected with the front end of the flexible hollow pipe, the steering assembly of the front end of the taper dust hood and the rubber washer for the front end for being mounted on the steering assembly are set, the center of the rubber washer is hatch frame, passes through the rubber washer convenient for drill bit.The angle that rubber washer of the invention is can be realized under the action of steering assembly between rubber washer and dust hood curves, so solve inhale dust while also solve in the prior art can only vertical perforating the technical issues of.

Description

A kind of electric drill and its dust collection method having dust-absorbing function

Technical field

The invention belongs to the technical fields of electric drill, more particularly to a kind of electric drill for having dust-absorbing function and its dust suction side Method.

Background technique

Electric hammer also known as electric impact drill, are a kind of common equipment in the realm of building construction, and working method is to hit, rotate It combines, drill bit is made to progress into wall or ground, by material fragmentations such as brick, stone, cement.Ceiling construction is carried out using electric hammer When, difficult, operator will not only bear strong vibration, still suffer from the compressing of electric hammer weight, and still suffer from from The invasion of a large amount of dusts to descend slowly and lightly on ceiling, thus physical demands is very big, working environment is severe, at all can not lasting operation, This can not only seriously affect construction efficiency, it is often more important that dust enters operator's eye, nose, in mouth, can make to personnel health At very big harm.

And had combine electric hammer with dust catcher in the prior art, the electric hammer with dust-absorbing function then comes into being. For example, dust exhaust apparatus in the prior art then includes that electric hammer, electric hammer dust suction adapter and dust catcher are used to incite somebody to action while drilling In the ash bits sucking dust catcher of generation, it is effectively prevented dust and disorderly flies, but the device is but not suitable for being tilted towards the feelings of drilling Condition.Like patent CN201161374Y, patent CN203599577U, in actual operation, there is difference according to different needs Hole knockout, therefore vertical perforating is one such, and the electric hammer for having dust-absorbing function of the prior art is generally It is only applicable to vertical perforating, can not be in close contact with contact surface if inclination punching so electric hammer dust suction adapter, there are skies Gap, then dust can still dance in the air；If being connected with rubber pad by hose at dust suction adapter, multi-angle is realized by hose Inclination and rotation, then repeatedly nondirectional again rotate or can directly result in the service life of hose greatly in the case where twisting It reduces.

Summary of the invention

The present invention is to solve technical problem present in above-mentioned background technique, provide a kind of electric drill for having dust-absorbing function and Its dust collection method.

The present invention is achieved through the following technical solutions: a kind of electric drill having dust-absorbing function, comprising: electric hammer ontology and is set Set the dust exhaust apparatus on the electric hammer ontology；

The dust exhaust apparatus includes: the engagement circle for the drill chuck being fixed on the electric hammer ontology, is uniformly arranged on described Several worm gear flabellums for engaging the outer surface of circle shroud the sealing shell in the outer layer of the worm gear flabellum, are arranged described The front end of sealing shell and the flexible hollow pipe being connected with the sealing shell, communicating pipe is in the bottom end of the sealing shell Turning for the front end of the taper dust hood is arranged in containing box, the taper dust hood being connected with the front end of the flexible hollow pipe To component and the rubber washer for the front end for being mounted on the steering assembly, the center of the rubber washer is opening knot Structure passes through the rubber washer convenient for drill bit, increases steering assembly to realize that taper ash-sucking cover can be sent out relative to rubber washer Raw inclination, convenient for Construction of Inclined to drilling.

In a further embodiment, the steering assembly include: be fixed on the taper dust hood front end face One disk is provided with the front end of first disk and the first mounting groove with first disk for concentric circles, uniformly opens up Several first holding tanks on first mounting groove periphery, be provided with the rear end face of the rubber washer and with described Corresponding second holding tank of one holding tank, the second disk between first disk and the rubber washer, opens up On second disk and mounting hole corresponding with second holding tank, laterally disposed first in the mounting hole Shock-absorbing spring, the U-type groove being provided between adjacent mounting hole, and its sequentially pass through first disk, the second disk and The connector of rubber washer；

First holding tank, the second holding tank and mounting hole constitute accommodation space, and first shock-absorbing spring is accommodated in the inner.

By using above-mentioned technical proposal: when the front end of rubber washer and the close contact of wall or fixed body, artificially Inclined active force is done to electric hammer ontology, then the first shock-absorbing spring in steering assembly is between taper dust hood and rubber washer Mutual extrusion active force under, the first shock-absorbing spring can lateral run-off the straight i.e. be crushed, according to the tilt angle thought Control the extruded dynamics of the first shock-absorbing spring of different directions, that is, the degree flattened is different, the bigger corresponding position of extruding force Being more obvious of being crushed of the first shock-absorbing spring, then run-off the straight.

In a further embodiment, the connector includes: to be provided on second disk and justify with described second Disk is the second mounting groove of concentric circles, is shaped in the inner wall of second mounting groove and is located at the rear end of second disk The connecting tube in face is arranged in the annular through-hole between second mounting groove and the mounting hole, is connected to the annular through-hole Several fixed strips of two sides component, successively join end to end the second shock-absorbing spring being emitted in the annular through-hole, is provided with The rear end face of the second disk and first annular slot between the annular through-hole and the mounting hole, activity are connected to Outer clamping ring in the first annular slot, be evenly distributed on the inner sidewall of the front end face of the outer clamping ring several first Protrusion is provided with the second annular groove of the rear end face of the rubber washer, be connected in the outer clamping ring interior clamping ring and It is evenly distributed on the second protrusion of the front end face of the interior clamping ring；Second protrusion is connected in second annular groove, The interior clamping ring just can cover the second shock-absorbing spring in the annular through-hole；

The fixed strip is uniformly distributed and is located at the rear and front end face of second disk, the connection around the annular through-hole The rear end face of pipe is connect with the inner wall of first mounting groove.

By using above-mentioned technical proposal: first annular slot, outer clamping ring, interior clamping ring and the second annular in connector Slot using the connection structure for opening clamping, can be connected with each other but also occur between each other local inclination and rotation between each other, It is easy to implement 360 ° of commutation, and is provided in the access section of interior clamping ring and outer clamping ring and is successively connected with each other the second vibration damping Spring plays the role of buffering convenient for increasing the elasticity between interior clamping ring and outer clamping ring.

In a further embodiment, first holding tank and second holding tank are rectangle, and described first holds Receive slot length be equal to the second holding tank length be equal to mounting hole length be greater than the first shock-absorbing spring length, described first The width that the width that the width of holding tank is equal to the second holding tank is equal to mounting hole is equal to the width of the first shock-absorbing spring.

By using above-mentioned technical proposal: the length that the length of first holding tank is equal to the second holding tank is equal to installation The length that the length in hole is greater than the first shock-absorbing spring is to be able to realize that transverse direction can occur after stress for the first shock-absorbing spring Inclination, play the role of being crushed.

In a further embodiment, damping fin is provided between first mounting groove and second disk.

In a further embodiment, the containing box includes: the sewage draining exit for being provided with the containing box bottom side, if It sets the push-and-pull lid at the sewage draining exit and is sequentially connected in the transmission component of the push-and-pull lid；

Wherein, the transmission component includes: baffle that is symmetrically being fixed on the containing box bottom and extending downwardly, and one end is hinged The first V-type bar in the containing box lower surface, is articulated with the thread bush of the other end of the first V-type bar, transmission connection in The threaded rod of the thread bush is fixedly connected on the sliding block of the head end of the push-and-pull lid, and one end is articulated with the 2nd V of the sliding block Type bar and be articulated with the second V-type bar the other end fixed block；The second V-type bar is opposite with the first V-type bar And it sets, and middle position is hinged；The fixed block is rotatably mounted on the end of the threaded rod；The head end of the threaded rod It is provided with rotating disk, the rotating disk is located at the outside of the baffle.

By using above-mentioned technical proposal: because electric drill can generate vibration in the process of work, if using elastic switch The folding of end cap is controlled, is extremely unstable, therefore uses plug-type push-and-pull lid herein.

In a further embodiment, the other side of the sewage draining exit is provided with the card being mutually flush with the push-and-pull lid Slot；The lower surface of the containing box is equipped with lateral sliding slot, and the sliding block is positioned in the chute close to the side of the sliding slot.

By using above-mentioned technical proposal: ensure that the sliding block being connected with push-and-pull lid can point-blank be put down always Steady operation.

In a further embodiment, the baffle close to the rotating disk side is equipped with long square groove, in the rotating disk It is hinged with gag lever post, the gag lever post is inserted in the long square groove when push-and-pull lid closes sewage draining exit.

By using above-mentioned technical proposal: when sewage draining exit closing, gag lever post is inserted in the long square groove, is effectively prevented Because vibration rotates rotating disk voluntarily.

In a further embodiment, the electric hammer ontology includes: shell, is mounted on the interior positioned at rear end of the shell Rotating electric machine, final drive are connected to the drive rod of the output shaft of the rotating electric machine, are fixedly attached on the drive rod Fan blade is fixedly mounted on the driving wheel of the head end of the drive rod, transmission shaft and the installation being sequentially connected in the drill chuck In the upper driving wheel of the transmission shaft；The driving wheel is meshed with the driving wheel；

The outer diameter of the driving wheel is less than the outer diameter of the drive rod.

A kind of dust collection method for the electric drill having dust-absorbing function, specifically includes the following steps:

Step 1: dust exhaust apparatus is attached on the surface of object to be processed according to the demand of drilling；

Step 2: the demand of the artificial tilt angle according to drilling, presses to steering assembly, steering assembly controls taper dust suction Cover the inclination that angle occurs relative to rubber washer；

Step 3: drill bit sequentially passes through taper dust hood, the first disk, the second disk and rubber washer, in flexible hollow pipe Under cooperation, start to drill；

Step 4: several worm gear flabellums positioned at the outer surface of engagement circle can also be sent out under the action of rotating electric machine when operation Raw rotation, generates air-flow, and the dust in taper dust hood is sucked in containing box by flexible hollow pipe；At this point, push-and-pull lid End, which is opened, to be connect in fluting, and sealing is played the role of, and the gag lever post in rotating disk is inserted in U-type groove；

Step 5: extracting gag lever post after operation, rotating disk is rotated, push-and-pull lid is extracted out out of card slot, and sewage draining exit is opened, into The processing of row discharge.

Beneficial effects of the present invention: the front side of dust hood of the present invention in the prior art is connected with rubber by steering assembly Rubber gasket, the angle which can be realized under the action of steering assembly between rubber washer and dust hood curve, into And solve inhale dust while also solve in the prior art can only vertical perforating the technical issues of.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of electric drill for having dust-absorbing function of the invention.

Fig. 2 is the structural schematic diagram of dust exhaust apparatus in the prior art.

Fig. 3 is the structural schematic diagram of the steering assembly in the present invention.

Fig. 4 is the explosive view of the steering assembly in the present invention.

Fig. 5 is the structural schematic diagram one of the containing box in the present invention.

Fig. 6 is the structural schematic diagram two of the containing box in the present invention.

Fig. 7 is the structural schematic diagram of the transmission component in the present invention.

Fig. 8 is the cross-sectional view of electric hammer ontology of the invention.

Fig. 9 is the structural schematic diagram of the driving wheel and driving wheel in the present invention.

Each mark of the Fig. 1 into Fig. 9 are as follows: electric hammer ontology 1, worm gear flabellum 2, sealing shell 3, flexible hollow pipe 4, containing box 5, taper dust hood 6, rubber washer 7, the first disk 8, the first mounting groove 9, the first holding tank 10, damping fin 11, the second disk 12, mounting hole 13, the first shock-absorbing spring 14, U-type groove 15, the second mounting groove 16, connecting tube 17, annular through-hole 18, fixed strip 19, Second shock-absorbing spring 20, first annular slot 21, outer clamping ring 22, the first protrusion 23, interior clamping ring 24, the second protrusion 25, blowdown Mouth 501, push-and-pull lid 502, baffle 503, the first V-type bar 504, thread bush 505, threaded rod 506, sliding block 507, the second V-type bar 508, fixed block 509, rotating disk 510, card slot 511, shell 101, rotating electric machine 102, drive rod 103, driving wheel 104, transmission Axis 105, drill chuck 106, driving wheel 107.

Specific embodiment

In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into Row description.

Applicant is repeatedly practiced and operated discovery: the existing electric drill for having dust-absorbing function no doubt can be good to bore The dust collection generated when hole prevents from dancing in the air all over the sky, but such equipment has such problems again: the equipment is not suitable for Inclined direction drilling, or when face hole to be drilled is inherently inclined, surface is inclined, dust exhaust apparatus can not be accomplished and incline Inclined-plane is closely bonded, then pick-up performance then will be greatly reduced, as shown in Figure 2.Thus it is necessary to develop one kind can be same Sample is suitable for a kind of electric drill for having dust-absorbing function of inclined surface and inclined drill.

Therefore, as shown in Figure 1, applicant has developed a kind of electric drill for having dust-absorbing function, comprising: 1 He of electric hammer ontology The dust exhaust apparatus being mounted on the electric hammer ontology 1.The dust exhaust apparatus include: worm gear flabellum 2, sealing shell 3, stretch it is hollow Pipe 4, containing box 5, taper dust hood 6, rubber washer 7.Wherein, in order to adsorb and collect dust, the electric hammer ontology 1 On drill chuck 106 outer circumference surface on be fixedly installed with engagement circle, it is described engagement circle outer surface be evenly arranged with several Worm gear flabellum 2, in order to guarantee that dust does not leak outside, the outer layer of the worm gear flabellum 2, which shrouds, sealing shell 3, the sealing The front end of shell 3 is provided with the flexible hollow pipe 4 communicated therewith, and the specific structure of the flexible hollow pipe 4 is the prior art, herein It does not repeat them here.The bottom end of the sealing shell 3 is provided with the containing box 5 communicated therewith, the front end connection of the flexible hollow pipe 4 There is taper dust hood 6, for shrouding dust.

When electric hammer ontology 1 works, rotation can occur for drill chuck 106, while worm gear flabellum 2 also can rotate, and generate air-flow, Dust in taper dust hood 6 is adsorbed, by being uniformly processed in flexible hollow pipe 4 centralized collection to containing box 5.

In order to equally reach good pick-up performance when realizing that dust exhaust apparatus can be to inclined surface or inclined drill, For this purpose, applicant is connected with rubber washer 7, the center of the rubber washer 7 by steering assembly in the front end of taper dust hood 6 Position is hatch frame, the rubber washer 7 is passed through convenient for drill bit, by steering assembly to realize taper ash-sucking cover relative to rubber Rubber gasket 7 can run-off the straight, convenient for Construction of Inclined to drilling, i.e., when for inclined surface, steering assembly control rubber washer 7 It tilts to identical as the angle of inclined surface, and is bonded with inclined surface.

As shown in Figure 3 to Figure 4, the steering assembly includes: the first disk 8, the first mounting groove 9, the first holding tank 10, Two holding tanks, the second disk 12, mounting hole 13, the first shock-absorbing spring 14, U-type groove 15, the second mounting groove 16, connecting tube 17, ring Shape through-hole 18, fixed strip 19, the second shock-absorbing spring 20, first annular slot 21, outer clamping ring 22, the first protrusion 23, interior clamping ring 24, the second protrusion 25, damping fin 26.

Wherein, first disk 8 is fixedly mounted on the front end face of the taper dust hood 6, and first mounting groove 9 is opened It is located on first disk 8, and is concentric circles with first disk 8；First holding tank 10 is four, is uniformly opened It is located on first disk 8 and line can surround first mounting groove 9；Second holding tank is provided with the rubber The rear end face (not embodied in figure) of rubber gasket 7, and number and position are corresponding with first holding tank 10 respectively.Described Two disks 12 are arranged between first disk 8 and the rubber washer 7, and the mounting hole 13 is provided with described second On disk 12, and number and position are corresponding with second holding tank respectively, and first shock-absorbing spring 14 is four, respectively It is placed in the mounting hole 13, UU type groove 15, first disk 8, second is offered between the adjacent mounting hole 13 It is flexibly connected between disk 12 and rubber washer 7 by connector.First holding tank 10, the second holding tank and mounting hole 13 Accommodation space is constituted, first shock-absorbing spring 14 is accommodated in the inner.

When the front end of rubber washer 7 and wall or fixed body are in close contact, artificial makees inclined work to electric hammer ontology 1 Firmly, then the effect of mutual extrusion of first shock-absorbing spring 14 between taper dust hood 6 and rubber washer 7 in steering assembly Under power, the first shock-absorbing spring 14 can be crushed in lateral run-off the straight, control different directions according to the tilt angle thought The extruded dynamics of the first shock-absorbing spring 14, that is, the degree flattened is different, the first vibration damping bullet of the bigger corresponding position of extruding force What spring 14 was crushed is more obvious, then run-off the straight.

In order to realize an annular groove, outer clamping ring 22, interior clamping ring 24 and the mutual clamping of the second annular groove Connection structure, can be connected with each other but also occur between each other local inclination and rotation, be easy to implement 360 ° of commutation, institute State connector include: be provided on second disk 12 and with second disk 12 be concentric circles the second mounting groove 16, It is shaped in the inner wall of second mounting groove 16 and is located at the connecting tube 17 of the rear end face of second disk 12, because of visual angle Fail to embody completely in problem figure, the annular through-hole 18 between second mounting groove 16 and the mounting hole 13 be set, Several fixed strips 19 of the 18 two sides component of annular through-hole are connected to, successively joins end to end and is emitted on the annular through-hole 18 The second interior shock-absorbing spring 20 is provided with the rear end face of second disk 12 and is located at the annular through-hole 18 and the installation First annular slot 21 between hole 13, activity are connected to the outer clamping ring 22 in the first annular slot 21, the outer clamping ring It is evenly distributed with several the first protrusions 23 on the inner sidewall of 22 front end face, is provided with the rear end face of the rubber washer 7 Second annular groove is connected in the interior clamping ring 24 of the outer clamping ring 22 and is evenly distributed on the front end of the interior clamping ring 24 Second protrusion 25 in face；Second protrusion 25 is connected in second annular groove, and the interior clamping ring 24 just can be by institute State the second shock-absorbing spring 20 covering in annular through-hole 18；

The fixed strip 19 is uniformly distributed and is located at the rear and front end face of second disk 12 around the annular through-hole 18, uses Component in connection 18 two sides of annular through-hole, prevents from falling off, and fixed strip 19 is also used to end to end second vibration damping of card column Spring 20.The rear end face of the connecting tube 17 is connect with the inner wall of first mounting groove 9.In interior clamping ring 24 and outer clamping ring 22 access section, which is provided with, is successively connected with each other the second shock-absorbing spring 20, convenient for increasing between interior clamping ring 24 and outer clamping ring 22 Elasticity, play the role of buffering.

In said structure, if fruit does not have enough the first shock-absorbing springs of space 14 although being difficult to occur after compression yet Lateral inclination, first holding tank 10 and second holding tank are rectangle thus, the length of first holding tank 10 Equal to length of the length greater than the first shock-absorbing spring 14 that the length of the second holding tank is equal to mounting hole 13, there are enough length Degree realizes that lateral inclination can occur after stress for the first shock-absorbing spring 14, plays the role of being crushed.Described first accommodates The width that the width that the width of slot 10 is equal to the second holding tank is equal to mounting hole 13 is equal to the width of the first shock-absorbing spring 14.It is described Damping fin 11 is provided between first mounting groove 9 and second disk 12.Which want control electric hammer ontology 1 to tilt to direction Which just press to the first shock-absorbing spring 14 where direction.

Above structure, which realizes, can be suitable for the drilling of different angle and gather dust, but at work because of electric hammer ontology 1 Vibration is violent, therefore the requirement to the end cap of the bottom of containing box 5 is high, if using controller perturbation end cap that It is likely to be flicked under vibration, last or meeting dust dances in the air all over the sky, if designing a kind of knot in order to shockproof The more complicated end cap control assembly of structure, then because the volume of containing box 5 itself is with regard to little, it is therefore desirable to which cleaning can in time It prepares for storage next time dirt, it is therefore desirable to convenient for the simple power control structure of control.

Therefore pushing away at the sewage draining exit 501 is arranged in the sewage draining exit 501 in 5 bottom side of containing box in applicant Draw lid 502 and transmission connection in the transmission component of the push-and-pull lid 502, such as Fig. 5 to Fig. 7.

The transmission component include: sewage draining exit 501, push-and-pull lid 502, baffle 503, the first V-type bar 504, thread bush 505, Threaded rod 506, sliding block 507, the second V-type bar 508, fixed block 509, rotating disk 510, card slot 511, shell 101, rotating electric machine 102, drive rod 103, driving wheel 104, transmission shaft 105, drill chuck 106, driving wheel 107.

The sewage draining exit 501 is provided with 5 bottom side of containing box, and the baffle 503 is two or is one and closes Ring, what is extended downwardly is fixed on 5 bottom of containing box.One end of the first V-type bar 504 is articulated under the containing box 5 Surface, the other end are hinged with thread bush 505, and the thread bush 505 is sequentially connected by internal and external threads, the threaded rod 506 Head end passes through the baffle 503 and is fixed with rotating disk 510.The sliding block 507 is fixed on the head end of the push-and-pull lid 502, institute It states sliding block 507 while being also articulated with one end of the second V-type bar 508, the other end of the second V-type bar 508 is hinged with solid Determine block 509, the fixed block is rotatably mounted on the end of the threaded rod, the second V-type bar 508 and the first V-type bar 504 set opposite to each other, and middle position is hinged.

When threaded rod 506 rotates forward, the thread bush 505 is moved inward, and drives the first V-type bar 504 and the second V-type bar 508 hinged place is displaced outwardly, and push-and-pull lid 502 is pulled, and sewage draining exit 501 is opened；Otherwise it is described when threaded rod 508 inverts Thread bush 505 is displaced outwardly, and the first V-type bar 504 and the hinged place of the second V-type bar 508 is driven to move inward, and pushes and pulls 502 quilt of lid Ejection, sewage draining exit 501 are closed.

It point-blank can smoothly be run always to guarantee to push and pull the sliding block 507 that lid 502 is connected, the receipts Receiving the lower surface of case 5 is equipped with lateral sliding slot, and the sliding block 507 is positioned in the chute (in figure close to the side of the sliding slot It does not embody).It is arranged fluted on two inner walls of the sliding slot, the two sidewalls of the sliding block are correspondingly arranged on protrusion, described Protrusion is crossed with groove and should be cooperated.

Leakproofness when in order to realize that sewage draining exit 501 is closed, the other side of the sewage draining exit 501 is provided with and the push-and-pull The card slot 511 that lid 502 is mutually flush, when push-and-pull lid 502 is ejected, the end of the push-and-pull lid 502 is connected to the card slot In 511.

When to avoid electric hammer ontology 1 from vibrating, it will drive threaded rod 506 and rotation occur, to open push-and-pull lid 502, therefore Baffle 503 close to 510 side of rotating disk is equipped with long square groove, gag lever post is hinged in the rotating disk 510, when described The gag lever post is inserted in the long square groove when push-and-pull lid 502 is by the closing of sewage draining exit 501.The gag lever post when sewage draining exit 501 is closed It is inserted in the long square groove, effectively prevents rotating rotating disk 510 voluntarily.

As shown in figure 9, the electric hammer ontology 1 includes: shell 101, it is mounted on the interior rotation positioned at rear end of the shell 101 Rotating motor 102, final drive are connected to the drive rod 103 of the output shaft of the rotating electric machine 102, are fixedly attached to the transmission Fan blade on bar 103 is fixedly mounted on the driving wheel 104 of the head end of the drive rod 103, is sequentially connected in the drill chuck 106 transmission shaft 105 and the upper driving wheel 107 for being mounted on the transmission shaft 105；The driving wheel 107 and the driving wheel 104 are meshed；

The outer diameter of the driving wheel 104 is less than the outer diameter of the drive rod 103.A kind of suction for the electric drill having dust-absorbing function Dust collecting method, specifically includes the following steps:

Step 1: dust exhaust apparatus is attached on the surface of object to be processed according to the demand of drilling；

Step 2: the demand of the artificial tilt angle according to drilling, presses to steering assembly, steering assembly controls taper dust suction Cover the inclination that angle occurs relative to rubber washer；

Step 3: drill bit sequentially passes through taper dust hood, the first disk, the second disk and rubber washer, in flexible hollow pipe Under cooperation, start to drill；

Step 4: several worm gear flabellums positioned at the outer surface of engagement circle can also be sent out under the action of rotating electric machine when operation Raw rotation, generates air-flow, and the dust in taper dust hood is sucked in containing box by flexible hollow pipe；At this point, push-and-pull lid End, which is opened, to be connect in fluting, and sealing is played the role of, and the gag lever post in rotating disk is inserted in U-type groove；

Step 5: extracting gag lever post after operation, rotating disk is rotated, push-and-pull lid is extracted out out of card slot, and sewage draining exit is opened, into The processing of row discharge.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.

Claims (10)

1. a kind of electric drill for having dust-absorbing function characterized by comprising electric hammer ontology and be arranged on the electric hammer ontology Dust exhaust apparatus；

The dust exhaust apparatus includes: the engagement circle for the drill chuck being fixed on the electric hammer ontology, is uniformly arranged on described Several worm gear flabellums for engaging the outer surface of circle shroud the sealing shell in the outer layer of the worm gear flabellum, are arranged described The front end of sealing shell and the flexible hollow pipe being connected with the sealing shell, communicating pipe is in the bottom end of the sealing shell Turning for the front end of the taper dust hood is arranged in containing box, the taper dust hood being connected with the front end of the flexible hollow pipe To component and the rubber washer for the front end for being mounted on the steering assembly, the center of the rubber washer is opening knot Structure passes through the rubber washer convenient for drill bit.

2. a kind of electric drill for having dust-absorbing function according to claim 1, which is characterized in that the steering assembly includes: It is fixed on the first disk of the front end face of the taper dust hood, be provided with the front end of first disk and is justified with described first Disk is the first mounting groove of concentric circles, is uniformly provided with several first holding tanks on first mounting groove periphery, is provided with The second holding tank rear end face of the rubber washer and corresponding with first holding tank, be located at first disk with The second disk between the rubber washer, is provided on second disk and installation corresponding with second holding tank Hole, the first shock-absorbing spring being placed across in the mounting groove, the U-type groove being provided between adjacent mounting hole, and its according to The secondary connector for being applied in first disk, the second disk and rubber washer；

First holding tank, the second holding tank and mounting hole constitute accommodation space, and first shock-absorbing spring is accommodated in the inner.

3. a kind of electric drill for having dust-absorbing function according to claim 2, which is characterized in that the connector includes: out It is located at the second mounting groove on second disk and with second disk for concentric circles, is shaped in second installation The inner wall of slot and be located at second disk rear end face connecting tube, setting second mounting groove and the mounting hole it Between annular through-hole, be connected to several fixed strips of annular through-hole two sides component, successively joining end to end, it is described to be emitted on The second shock-absorbing spring in annular through-hole is provided with the rear end face of second disk and is located at the annular through-hole and the peace The first annular slot between hole is filled, activity is connected to the outer clamping ring in the first annular slot, the front end of the outer clamping ring It is evenly distributed with several the first protrusions on the inner sidewall in face, is provided with the second annular groove of the rear end face of the rubber washer, It is connected in the interior clamping ring of the outer clamping ring and is evenly distributed on the second protrusion of the front end face of the interior clamping ring；It is described Second protrusion is connected in second annular groove, and the interior clamping ring just can be by the second vibration damping bullet in the annular through-hole Spring covering；

The fixed strip is uniformly distributed and is located at the rear and front end face of second disk, the connection around the annular through-hole The rear end face of pipe is connect with the inner wall of first mounting groove.

4. a kind of electric drill for having dust-absorbing function according to claim 2, which is characterized in that first holding tank and institute Stating the second holding tank is rectangle, and the length that the length of first holding tank is equal to the second holding tank is equal to the length of mounting hole Greater than the length of the first shock-absorbing spring, the width that the width of first holding tank is equal to the second holding tank is equal to the width of mounting hole Degree is equal to the width of the first shock-absorbing spring.

5. a kind of electric drill for having dust-absorbing function according to claim 2, which is characterized in that first mounting groove and institute It states and is provided with damping fin between the second disk.

6. a kind of electric drill for having dust-absorbing function according to claim 1, which is characterized in that the containing box includes: out It is located at the sewage draining exit of the containing box bottom side, the push-and-pull lid at the sewage draining exit is set and transmission connection is pushed away in described Draw the transmission component of lid；

Wherein, the transmission component includes: baffle that is symmetrically being fixed on the containing box bottom and extending downwardly, and one end is hinged The first V-type bar in the containing box lower surface, is articulated with the thread bush of the other end of the first V-type bar, transmission connection in The threaded rod of the thread bush is fixedly connected on the sliding block of the head end of the push-and-pull lid, and one end is articulated with the 2nd V of the sliding block Type bar and be articulated with the second V-type bar the other end fixed block；The second V-type bar is opposite with the first V-type bar And it sets, and middle position is hinged；The fixed block is mounted on the end of the threaded rod by bearing rotary；The screw thread The head end of bar is provided with rotating disk, and the rotating disk is located at the outside of the baffle.

7. a kind of electric drill for having dust-absorbing function according to claim 6, which is characterized in that the other side of the sewage draining exit It is provided with the card slot being mutually flush with the push-and-pull lid；The lower surface of the containing box is equipped with lateral sliding slot, and the sliding block leans on The side of the nearly sliding slot is positioned in the chute.

8. a kind of electric drill for having dust-absorbing function according to claim 6, which is characterized in that close to the rotating disk side Baffle be equipped with long square groove, be hinged with gag lever post in the rotating disk, the limit when the push-and-pull, which is covered, closes sewage draining exit Position bar is inserted in the long square groove.

9. a kind of electric drill for having dust-absorbing function according to claim 1, which is characterized in that the electric hammer ontology includes: Shell, is mounted on the interior rotating electric machine positioned at rear end of the shell, and final drive is connected to the output shaft of the rotating electric machine Drive rod, the fan blade being fixedly attached on the drive rod is fixedly mounted on the driving wheel of the head end of the drive rod, is driven It is connected to the transmission shaft of the drill chuck and is mounted on the upper driving wheel of the transmission shaft；The driving wheel and the driving wheel It is meshed；

The outer diameter of the driving wheel is less than the outer diameter of the drive rod.

10. a kind of dust collection method for the electric drill for having dust-absorbing function, which is characterized in that specifically includes the following steps:

Step 1: dust exhaust apparatus is attached on the surface of object to be processed according to the demand of drilling；

Step 2: the demand of the artificial tilt angle according to drilling, presses to steering assembly, steering assembly controls taper dust suction Cover the inclination that angle occurs relative to rubber washer；

Step 3: drill bit sequentially passes through taper dust hood, the first disk, the second disk and rubber washer, in flexible hollow pipe Under cooperation, start to drill；

Step 4: several worm gear flabellums positioned at the outer surface of engagement circle can also be sent out under the action of rotating electric machine when operation Raw rotation, generates air-flow, and the dust in taper dust hood is sucked in containing box by flexible hollow pipe；At this point, push-and-pull lid End, which is opened, to be connect in fluting, and sealing is played the role of, and the gag lever post in rotating disk is inserted in U-type groove；

Step 5: extracting gag lever post after operation, rotating disk is rotated, push-and-pull lid is extracted out out of card slot, and sewage draining exit is opened, into The processing of row discharge.