CN106624055A - Drilling tool - Google Patents

Abstract

The invention discloses a drilling tool. The drilling tool comprises a drilling body and a drilling rod capable of being electrically driven to be in running fit with the drilling body for drilling and further comprises a dust prevention device for dust prevention during drilling; the dust prevention device comprises a dust prevention cover, a pressing device which can sleeve the drilling rod and press the dust prevention cover against the wall surface, a handheld device which is fixedly arranged on the pressing device and is held by hand and a water spraying device for spraying water into the dust prevention cover for dust falling; during use, the drilling rod is sleeved with the pressing device, the dust prevention cover is pressed against and abuts against the wall surface under pressing of the end of the electric drill, chippings and dust produced due to drilling cannot be spattered out under the effect of the dust prevention cover, and the water can be sprayed into the dust prevention cover through the water spraying device, so that flying of the chippings and the dust during drilling is greatly reduced, the indoor environment is sanitary, dust inhalation is avoided, and the operation safety is relatively high; and meanwhile, by the aid of the handheld device, an operator can hold the tool by hand conveniently, a shock-absorbing piece is arranged, and vibration on the hand of the operator can be reduced.

Description

Boring bar tool

Technical field

The present invention relates to fixture fields are fitted up, more particularly to a kind of boring bar tool.

Background technology

Electric drill is the drilling machine that power is done using electricity, is the conventional products in electric tool, be also demand most Big tool-class product.Electric drill is using extensive during finishing etc., in addition it is renovated after also can use, in metope Often chip disorderly flies during upper construction, severe contamination indoor sanitation, and sweeps difficulty, it is especially renovated after again When carrying out some other installations, major polluting indoor environment is changed, and if operator does not wear shield Eyepiece and respirator, chip dust splashes be possible to that face can be hurt at any time, or even can enter eyes, safety system Number is low.

The content of the invention

In view of this, the present invention provides a kind of boring bar tool, and chip dust flies upward when can substantially reduce drilling, Not only ensure indoor environmental hygiene, it is to avoid dust is sucked, and with higher operational security, will not be because broken Bits splash and human body are damaged.

The boring bar tool of the present invention, including drill body and the brill for being drilled that can be rotatably assorted with drill body under electric drive Bar, dust-proof dust guard when also including for drilling, the dust guard includes dust cover, can be coated at brill Dust cover can simultaneously be pressed hold down gag in metope, be fixedly installed on the hold down gag and for hand-held by bar Hand-held device and for toward the spray module of water spray dust in dust cover；

Hand-held device includes that loop bar, lower end are placed in loop bar and for the connecting rod being connected with hold down gag and are placed in Simultaneously overcoat is tightly coated on vibration-damped component of the connecting rod periphery to its vibration damping in loop bar；

Spray module includes leading truck, water pipe and shower nozzle, and shower nozzle is arranged in the dust cover, shower nozzle and water pipe Connection, water pipe is arranged on leading truck, and leading truck is Collapsible structure；

Dust cover includes cover body and is integrally formed with cover body and the ring side body for contacting with wall, ring side body On be provided with least two annular lips, between adjacent annular lip gap arrange.

Further, hold down gag includes the telescopic tube passed through for drilling rod and the compression bullet for being coated at telescopic tube Spring.

Further, telescopic tube includes outer tube and inner sleeve, and the inner sleeve is T-shaped tubular construction, described interior The body of sleeve pipe is passed from dust cover and forms fixation by a fixture and dust cover.

Further, fixture is the clamp nut being threadedly coupled with inner sleeve body.

Further, outer tube is ring set structure away from inner sleeve one end, and the ring set inside diameter is more than outer tube Internal diameter of tube body, described compression spring one end support terminate in the ring set structure of outer tube, the other end support terminate in fastening Nut.

Further, connecting rod is connected by the body that a circumference is fixed on ring set structure peripheral with outer tube.

Further, vibration-damped component is rubber sleeve.

Further, leading truck includes the first vertical rod, the second vertical rod and cross bar, and first vertical rod is fixedly installed on On the body, second vertical rod is connected on fixture, and the cross bar is stretching structure.

Beneficial effects of the present invention：The boring bar tool of the present invention, when in use, hold down gag is coated at drilling rod simultaneously Dust cover is compressed under the pressing of electric drill end is resisted against metope, the chip dust for producing that drills is in dust cover Will not sputter under effect and, and can be sprayed water into dust cover by spray module, so as to substantially reduce during drilling Flying upward for chip dust, not only ensures indoor environmental hygiene, it is to avoid dust is sucked, and with higher operation Security, will not damage because chip splashes to human body；Simultaneously by hand-held device, facilitate operator hand-held, The firm work overall to reach protector, while arranging vibration-damped component, reduces the vibration to operator's hand；In addition, The setting of multiple annular lips, forms independent sealing space between many lips, when dust is in some sealing sky Between leak and have no effect on the sealing effectiveness in next space, with preferable sealing property.

Description of the drawings

With reference to the accompanying drawings and examples the invention will be further described.

Fig. 1 is schematic structural view of the invention；

Fig. 2 is the dust guard structural representation in the present invention；

Fig. 3 is the dust cover structure schematic diagram in the present invention.

Specific embodiment

Fig. 1 is schematic structural view of the invention, and Fig. 2 is the dust guard structural representation in the present invention, and Fig. 3 is Dust cover structure schematic diagram in the present invention, as shown in the figure：The boring bar tool of the present embodiment, including the He of drill body 5 Can be rotatably assorted with drill body the drilling rod 6 for being drilled under electric drive, dust-proof dust-proof when also including for drilling Device, the dust guard includes dust cover 1, can be coated at drilling rod and can press dust cover 1 in metope Hold down gag 2, it is fixedly installed on the hold down gag and for hand-held hand-held device 3 and for toward dust-proof The spray module 4 of Zhao Nei water spray dusts；

Hand-held device 3 includes that loop bar 3-1, lower end are placed in loop bar 3-1 and are used for the company being connected with hold down gag Extension bar 3-2 and it is placed in loop bar 3-1 and overcoat is tightly coated on vibration-damped component of the connecting rod 3-2 periphery to its vibration damping 3-3；Electric drill includes drill body and drilling rod, and when in use, drilling rod is passed through from hold down gag 2, and from dust cover 1 In pass, dust cover 1 can be tightly pressed against metope by the end of hold down gag 2 under the pressing of the front end of drill body, Wherein metope refers to the datum level of drilling, can be metope, floor face or other building basal planes；In addition, on loop bar It is additionally provided with and holds ring 3-5；

Spray module includes leading truck, water pipe 4-1 and shower nozzle 4-2, and shower nozzle 4-2 is arranged in the dust cover, Shower nozzle 4-2 is connected with water pipe 4-1, and water pipe 4-1 is arranged on leading truck, and leading truck is Collapsible structure；Lead It is used to guide water pipe 4-1 to frame, water pipe 4-1 water inlet ends can be with the outside pump body structure for arranging or other pressure water Fabric connectivity is used to intake；

Dust cover 1 includes cover body 1-1 and is integrally formed with cover body 1-1 and the ring side body for contacting with wall 1-2, is provided with least two annular lips 1-3 on the body 1-2 of ring side, gap sets between adjacent annular lip 1-3 Put, the setting of multiple annular lips forms independent sealing space between many lips, when dust it is close at some Envelope space is leaked and has no effect on the sealing effectiveness in next space, with preferable sealing property.

In the present embodiment, hold down gag 2 includes the telescopic tube 2-1 passed through for drilling rod and is coated at telescopic Compression spring 2-2 of pipe 2-1；Telescopic tube 2-1 can shorten under the pressing of drilling rod body, and in compression bullet Compaction forces are produced in the presence of spring 2-2.

In the present embodiment, telescopic tube 2-1 includes outer tube 2-1-1 and inner sleeve 2-1-2, the inner sleeve 2-1-2 is T-shaped tubular construction, and the body of the inner sleeve 2-1-2 is passed and by a fixture from dust cover 1 2-3 is formed with dust cover 1 and fixed；The body of inner sleeve 2-1-2 is passed from dust cover 1, inner sleeve 2-1-2 Stub end be close to the inner side of dust cover 1, the body of fixture 2-3 and inner sleeve 2-1-2 is near stub end Root is threadedly coupled, and it is tightly lock onto dust cover 1.

In the present embodiment, fixture 2-3 is the clamp nut being threadedly coupled with inner sleeve 2-1-2 bodys.

In the present embodiment, outer tube 2-1-1 away from inner sleeve one end be ring set structure 2-1-1a, ring set structure More than the internal diameter of tube body of outer tube, the ring set for terminating in outer tube 2-1-1 is supported in described compression spring 2-2 one end to internal diameter In structure, the other end is supported and terminates in clamp nut.

In the present embodiment, connecting rod 3-2 is fixed on the body 3-4 and overcoat of ring set structure peripheral by a circumference Pipe connects.

In the present embodiment, vibration-damped component 3-3 is rubber sleeve；

In the present embodiment, leading truck includes the first vertical rod 4-3, the second vertical rod 4-4 and cross bar 4-5, described the One vertical rod 4-3 is fixedly installed on body, and second vertical rod is connected on fixture, and the cross bar is flexible Structure.

Finally illustrate, above example only to illustrate technical scheme and unrestricted, although The present invention has been described in detail with reference to preferred embodiment, it will be understood by those within the art that, Technical scheme can be modified or equivalent, without deviating from technical solution of the present invention Objective and scope, it all should cover in the middle of scope of the presently claimed invention.

Claims (8)

1. a kind of boring bar tool, it is characterised in that：Including drill body and can be rotatably assorted with drill body under electric drive into Row drilling drilling rod, dust-proof dust guard when also including for drilling, the dust guard include dust cover, Drilling rod can be coated at and dust cover can be pressed hold down gag in metope, is fixedly installed on the hold down gag And for hand-held hand-held device and for toward the spray module of water spray dust in dust cover；

The hand-held device include the connecting rod that loop bar, lower end be placed in loop bar and be used to be connected with hold down gag and It is placed in loop bar and overcoat is tightly coated on vibration-damped component of the connecting rod periphery to its vibration damping；

The spray module includes leading truck, water pipe and shower nozzle, and the shower nozzle is arranged in the dust cover, institute State shower nozzle to connect with water pipe, the water pipe is arranged on leading truck, the leading truck is Collapsible structure；

The dust cover includes cover body and is integrally formed with cover body and the ring side body for contacting with wall, the ring At least two annular lips are provided with the body of side, gap is arranged between adjacent annular lip.

2. boring bar tool according to claim 1, it is characterised in that：The hold down gag is included for boring The telescopic tube that bar is passed through and the compression spring for being coated at telescopic tube.

3. boring bar tool according to claim 1, it is characterised in that：The telescopic tube includes outer tube And inner sleeve, the inner sleeve is T-shaped tubular construction, and the body of the inner sleeve is passed and by one from dust cover Fixture forms fixation with dust cover.

4. boring bar tool according to claim 3, it is characterised in that：The fixture is and inner sleeve pipe The clamp nut of body threaded connection.

5. boring bar tool according to claim 4, it is characterised in that：The outer tube is away from inner sleeve one Hold as ring set structure, the ring set inside diameter more than the internal diameter of tube body of outer tube, support by described compression spring one end Terminate in the ring set structure of outer tube, the other end is supported and terminates in clamp nut.

6. boring bar tool according to claim 3, it is characterised in that：The connecting rod is solid by a circumference Body due to ring set structure peripheral is connected with outer tube.

7. boring bar tool according to claim 1, it is characterised in that：The vibration-damped component is rubber sleeve.

8. boring bar tool according to claim 6, it is characterised in that：The leading truck include the first vertical rod, Second vertical rod and cross bar, first vertical rod is fixedly installed on the body, and second vertical rod is connected to solid Determine on part, the cross bar is stretching structure.