CN217801531U

CN217801531U - From taking dust absorption formula electric hammer

Info

Publication number: CN217801531U
Application number: CN202221491806.1U
Authority: CN
Inventors: 蔡国峰
Original assignee: Yongkang Libao Industry And Trade Co ltd
Current assignee: Yongkang Libao Industry And Trade Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-15
Anticipated expiration: 2032-06-15

Abstract

The utility model belongs to the technical field of electric tools, in particular to a self-carried dust collection type electric hammer, which comprises an electric hammer main body and a dust collection device arranged on the electric hammer main body; a driving motor and an electric hammer assembly are arranged in the electric hammer main body; the dust suction device comprises a dust suction fan arranged on a motor shaft of the driving motor, a dust suction port and a dust outlet are arranged on the dust suction fan, the dust suction port is connected with a dust suction channel, the dust outlet is connected with a dust outlet channel, the outer end of the dust suction channel is provided with a dust suction head, and the dust suction head is positioned at the front end of the electric hammer main body; simple structure, the equipment is easy, and electric hammer subassembly and dust extraction components of a whole that can function independently set up neither influences the change of drill bit, can dismantle the setting for dust extraction again and provide probably, make things convenient for packing transportation more and accomodate and carry.

Description

From taking dust absorption formula electric hammer

Technical Field

The utility model belongs to the technical field of electric tool, refer in particular to a from taking dust absorption formula electric hammer.

Background

When a traditional electric hammer works, drilled dust flies, so that the physical health of operators is not facilitated, and the environment is also polluted greatly. In order to solve this problem, some current electric hammers have set up the dust catcher, but structural design is complicated, for example to close as an organic whole with a dust suction tube for placing the casing of electric hammer drill bit, leads to the change of drill bit very difficult, and unreasonable structure leads to the organism to occupy space great moreover, and the dust catcher can not be dismantled alone, and it also has brought inconvenience with taking in to transport and take in for the packing.

Disclosure of Invention

The utility model aims at providing a simple structure, dust extraction structure sets up rationally, electric hammer operation and dust absorption operation sharing motor, and the space occupies less and the easy electric hammer of drill bit change.

The purpose of the utility model is realized like this:

a self-contained dust collection type electric hammer comprises an electric hammer main body and a dust collection device arranged on the electric hammer main body; a driving motor and an electric hammer assembly are arranged in the electric hammer main body, and the driving motor can drive the electric hammer assembly to work; dust extraction including set up in driving motor epaxial dust absorption fan, driving motor can drive dust absorption fan and rotate, be equipped with dust absorption mouth and play dirt mouth on the dust absorption fan, dust absorption mouth department is connected with the dust absorption passageway, it is connected with out the dirt passageway to go out dirt mouth department, the outer end of dust absorption passageway is provided with the dust absorption head, and the dust absorption head is located the front end of electric hammer main part.

Furthermore, the dust absorption passageway is including advancing the dirt pipe and can dismantle the extension pipe of connecting in the dirt pipe outer end on being fixed in the electric hammer main part, the dust absorption head sets up in the outer end of extension pipe.

Furthermore, the extension pipe is including the fixed pipe and the flexible pipe of establishing of overlapping each other, and fixed pipe one end can be dismantled with the dust inlet pipe and be connected, and the other end is the free end, flexible pipe can fix a tub axial displacement relatively, the dust absorption head sets up in the outer end of flexible pipe.

Further, extension pipe overcoat is equipped with the installation pipe, and the one end of installation pipe can be dismantled and be fixed in on the electric hammer main part, fixed pipe is fixed in the installation pipe, flexible pipe activity set up in between fixed pipe and the installation pipe, flexible pipe can install pipe and fixed pipe axial displacement relatively.

Furthermore, the end part of the fixed pipe is fixedly provided with a connecting pipe, the fixed pipe is communicated with the dust inlet pipe through the connecting pipe, a convex edge is formed on the connecting pipe, and the convex edge is clamped in a clamping groove formed in the mounting pipe.

Furthermore, a buckling part is formed at the end part of the installation pipe, a buckling hole matched with the buckling part is formed in the electric hammer main body, the buckling part is clamped in the buckling hole, and the installation pipe and the extension pipe can be taken down by pressing the buckling part to be separated from the buckling hole.

Furthermore, the front end of the dust suction head is provided with a dust inlet, and the rear end of the dust suction head is provided with a drill bit hole for the drill bit to penetrate through.

Furthermore, the dust collection head through the quick-connect piece with flexible union coupling, the dust collection head is inserted and is located on the quick-connect piece and perpendicular to flexible pipe, be provided with the mounting on the quick-connect piece, the last fixed orifices of having seted up of flexible pipe, mounting one end is fixed in on the quick-connect piece, the other end shaping has the fixed part, the fixed part card in the fixed orifices.

Furthermore, a dust collecting connecting part is formed at the end part of the dust outlet channel.

Furthermore, dust absorption fan includes the fan dish, and the middle part of fan dish has been seted up the dust absorption mouth, the last shaping of fan dish has a plurality of arc blades, forms between the adjacent arc blade go out the dirt mouth, dust absorption mouth and dust outlet intercommunication.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model provides an electric hammer with a dust collection structure, which can collect dust synchronously when being used by an operator, and is safer and more environment-friendly; the electric hammer comprises an electric hammer main body and a dust suction device arranged on the electric hammer main body, wherein a driving motor and an electric hammer assembly are arranged in the electric hammer main body, the driving motor can drive the electric hammer assembly to work, the electric hammer assembly can be of a multifunctional combined structure, a conversion button is arranged to be switched into a plurality of operation modes such as an electric drill gear, an electric hammer gear and an electric pick gear according to use requirements, and an adaptive drill bit is selected; the dust collection device comprises a dust collection fan arranged on a motor shaft of the driving motor, the driving motor can drive the dust collection fan to rotate, double functions of electric hammer operation and dust collection operation can be achieved by adopting one driving motor as a power device, additional motor drive is not needed, the size and the cost are reduced, synchronous starting and stopping of the electric hammer operation and the dust collection operation can be achieved, namely synchronous starting and stopping can be achieved by controlling the driving motor through a control switch, dust flapping caused by forgetting to open the dust collection device when the operation is started is prevented, and idle running waste caused by forgetting to close the dust collection device after the operation is finished is prevented; the electric drill can be arranged on the dust collection head or one side of the dust collection head, the dust collection head is generally contacted with the surface of an object to be processed, when the electric drill is used, the driving motor is driven to run in a power-on mode to enable the dust collection fan to rotate to generate strong wind power and generate negative pressure, dust generated in operation is sucked through the dust collection head, sequentially passes through the dust collection channel and then enters the dust collection port in the dust collection fan, then goes out of the dust collection port in the dust collection fan and enters the dust collection channel, and dust collection devices such as dust collection bags and the like can be arranged at the end of the dust collection channel, so that the dust collection channel can be recovered and cleaned uniformly, and dust can be prevented from flying randomly; the utility model is provided with a dust suction device, realizes dust-free operation, reduces environmental pollution, effectively reduces excessive dust suction of workers in operation, improves working environment, and has compact structure, reasonable layout, small overall space occupation and small weight influence; simple structure, the equipment is easy, and electric hammer subassembly and dust extraction components of a whole that can function independently set up neither influences the change of drill bit, can dismantle the setting for dust extraction again and provide probably, make things convenient for packing transportation more and accomodate and carry.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a perspective view of the present invention (with a portion of the housing removed).

Fig. 4 is a perspective view of the present invention (with the dust suction device removed).

Fig. 5 is a perspective view of the extension pipe.

Fig. 6 is a cross-sectional view of an extension tube.

Fig. 7 is an exploded view of an extension tube.

Fig. 8 is a perspective view of the quick connect.

Fig. 9 is a perspective view of the fan tray.

The reference numerals in the figures denote the meanings:

1-electric hammer main body; 2-driving the motor; 3-an electric hammer assembly; 4-motor shaft; 5-dust suction fan;

6-dust absorption port; 7-a dust outlet; 8-a dust collection channel; 9-a dust outlet channel; 10-a dust collection head; 11-a dust inlet pipe;

12-an extension tube; 13-a fixed tube; 14-a telescopic tube; 15-installing a pipe; 16-a connecting tube; 17-convex edge;

18-a card slot; 19-a snap-fit portion; 20-a snap hole; 21-a dust inlet; 22-drilling a bit hole; 23-a quick-connect piece;

24-a fastener; 25-a fixation hole; 26-a fixed part; 27-a dust collecting connection; 28-fan disk;

29-arc blade.

Detailed Description

The present invention will be further described with reference to the following specific embodiments:

a self-contained dust collection type electric hammer comprises an electric hammer main body 1 and a dust collection device arranged on the electric hammer main body 1; a driving motor 2 and an electric hammer component 3 are arranged in the electric hammer main body 1, and the driving motor 2 can drive the electric hammer component 3 to work; dust extraction including set up in driving motor 2 is last to drive dust absorption fan 5 on the motor shaft 4, and driving motor 2 can drive dust absorption fan 5 and rotate, be equipped with dust absorption mouth 6 and play dirt mouth 7 on the dust absorption fan 5, dust absorption mouth 6 department is connected with dust absorption passageway 8, it is connected with out dirt passageway 9 to go out dirt mouth 7 department, dust absorption passageway 8's outer end is provided with dust absorption head 10, and dust absorption head 10 is located the front end of electric hammer main part 1.

The utility model provides an electric hammer with a dust collection structure, which can synchronously collect dust when being used by an operator, and is safer and more environment-friendly; specifically, the electric hammer comprises an electric hammer main body 1 and a dust suction device arranged on the electric hammer main body 1, wherein a driving motor 2 and an electric hammer assembly 3 are arranged in the electric hammer main body 1, the driving motor 2 can drive the electric hammer assembly 3 to work, the electric hammer assembly 3 can be of a multifunctional combined structure, a conversion button is arranged to be switched into a plurality of operation modes such as an electric drill gear, an electric hammer gear and an electric pick gear according to use requirements, and an adaptive drill bit is selected; the dust collection device comprises a dust collection fan 5 arranged on a motor shaft 4 of a driving motor 2, the driving motor 2 can drive the dust collection fan 5 to rotate, double functions of electric hammer operation and dust collection operation can be achieved by adopting one driving motor 2 as a power device, extra motor drive is not needed, the size and the cost are reduced, synchronous starting and stopping of the electric hammer operation and the dust collection operation can be achieved, namely synchronous starting and stopping can be achieved by controlling the driving motor 2 through a control switch, dust flapping caused by forgetting to open the dust collection device when the operation is started is prevented, idle rotation waste caused by forgetting to close the dust collection device after the operation is finished is prevented, the structure design is ingenious, the space utilization is reasonable, the use is more convenient and efficient, and the labor and the worry are saved; the dust collecting fan 5 is provided with a dust collecting port 6 and a dust outlet 7 which are communicated with each other, the dust collecting port 6 is connected with a dust collecting channel 8, the dust outlet 7 is connected with a dust outlet channel 9, the outer end of the dust collecting channel 8 is provided with a dust collecting head 10, the dust collecting head 10 is positioned at the front end of the electric hammer main body 1, an electric drill can be arranged on or on one side of the dust collecting head 10, the dust collecting head 10 is generally contacted with the surface of an object to be processed, when the electric hammer is used, the driving motor 2 is electrified to operate, so that the dust collecting fan 5 rotates to generate strong wind power and generate negative pressure, dust generated by operation is sucked by the dust collecting head 10, sequentially passes through the dust collecting channel 8 and then enters the dust collecting port 6 on the dust collecting fan 5, then is discharged from the dust outlet 7 on the dust collecting fan 5 and enters the dust outlet channel 9, and the end of the dust outlet channel 9 can be provided with dust collecting devices such as a dust collecting bag and the like, so that the dust can be collected and cleaned uniformly and the dust can be prevented from flying in a mess; the utility model is provided with a dust suction device, realizes dust-free operation, reduces environmental pollution, effectively reduces excessive dust suction of workers in operation, improves working environment, and has compact structure, reasonable layout, small overall space occupation and small weight influence; simple structure, the equipment is easy, and electric hammer subassembly 3 and dust extraction components of a whole that can function independently set up, neither influences the change of drill bit, can dismantle the setting for dust extraction again and provide probably, make things convenient for packing transportation more and accomodate and carry.

The utility model discloses a dust extraction is including setting up the part in electric hammer main part 1 and setting up in the outer detachable part of electric hammer main part 1, dust absorption passageway 8 is including being fixed in the dust inlet pipe 11 on electric hammer main part 1 and can dismantle the extension pipe 12 of connecting in dust inlet pipe 11 outer end, dust absorption head 10 sets up in the outer end of extension pipe 12. Advance the front end and the extension pipe 12 intercommunication of dirt pipe 11, the rear end communicates with dust absorption mouth 6 of dust absorption fan 5, driving motor 2's motor shaft 4 passes dust absorption fan 5's middle part in proper order and advances the rear end of dirt pipe 11, because driving motor 2 and the inconvenient dismouting of relapseing of dust absorption fan 5, consequently set up the extension pipe 12 that can dismantle at any time in the one end of advancing dirt pipe 11, can satisfy the length demand of dust absorption passageway 8 promptly, also can convenient to detach accomodate.

For the demand of the installation length and the operation of better adaptation electric drill, extension pipe 12 is including the fixed pipe 13 and the flexible pipe 14 that establish of overlapping each other, and fixed pipe 13 one end can be dismantled with dust inlet pipe 11 and be connected, and the other end is the free end, flexible pipe 14 can fix pipe 13 axial displacement relatively, dust absorption head 10 sets up in the outer end of flexible pipe 14, and flexible pipe 14 can drive dust absorption head 10 relative electric hammer main part 1 along fixed pipe 13 axial back-and-forth movement, and suitability and flexibility are better.

As a preferred embodiment, the extension pipe 12 is externally sleeved with a mounting pipe 15, one end of the mounting pipe 15 is detachably fixed on the electric hammer main body 1, the fixing pipe 13 is fixed in the mounting pipe 15, the mounting pipe 15 plays a role in supporting, fixing and protecting, and the fixing pipe 13 is arranged in the mounting pipe 15, so that the connection stability of the fixing pipe 13 and the dust inlet pipe 11 is ensured, and the fixing pipe cannot fall off or be easily damaged in the action process; the telescopic pipe 14 is movably arranged between the fixed pipe 13 and the installation pipe 15, the telescopic pipe 14 can axially move relative to the installation pipe 15 and the fixed pipe 13, the telescopic pipe 14 is limited by the inner part and the outer part, the length of the extension pipe 12 is adjusted more stably and smoothly, and the air tightness is prevented from being influenced by over-stress.

As a preferred embodiment, a connecting pipe 16 is fixed at the end of the fixed pipe 13, the fixed pipe 13 is communicated with the dust inlet pipe 11 through the connecting pipe 16, a convex edge 17 is formed on the connecting pipe 16, the convex edge 17 is clamped in a clamping groove 18 formed on the mounting pipe 15, the connecting pipe 16 enhances the connection stability and the air tightness of the fixed pipe 13 and the dust inlet pipe 11, and meanwhile, the fixed pipe 13 and the mounting pipe 15 are fixed, and the fixed pipe 13 and the telescopic pipe 14 can be driven to be synchronously detached when the mounting pipe 15 is detached.

The utility model discloses a convenient dismantlement structure, the tip shaping of installation pipe 15 has clamping part 19, seted up on the electric hammer main part 1 with the buckle hole 20 of 19 looks adaptations of clamping part, clamping part 19 block in the

buckle hole

20, 19 atresss of clamping part produce certain deformation, inwards press clamping part 19 during the dismantlement, clamping part 19 can break away from buckle hole 20, then will install pipe 15 and extension pipe 12 and extract. Preferably, the buckling holes 20 and the buckling parts 19 are arranged in pairs, so that the connection is more stable, and the mistaken touch and disassembly are prevented.

In a preferred embodiment, the dust suction head 10 has a dust inlet 21 at a front end thereof and a drill hole 22 at a rear end thereof, through which a drill is inserted, and the drill passes through the dust suction head 10, thereby sucking dust generated by the operation of the drill more completely.

As a preferred embodiment, the dust collection head 10 is connected with the telescopic tube 14 through a quick-connecting piece 23, the dust collection head 10 is inserted into the quick-connecting piece 23 and is perpendicular to the telescopic tube 14, a fixing piece 24 is arranged on the quick-connecting piece 23, a fixing hole 25 is formed in the telescopic tube 14, one end of the fixing piece 24 is fixed on the quick-connecting piece 23, a fixing portion 26 is formed at the other end of the fixing piece 24, and the fixing portion 26 is clamped in the fixing hole 25. The drill bit needs to be worn to establish by dust absorption head 10, and therefore the accuracy requirement of position is higher, can dismantle the setting with dust absorption head 10 through quick-connect 23, can pull down when accomodating and place, is difficult to warp and damage, and easy dismounting is swift moreover.

In a preferred embodiment, a dust collecting connection part 27 is formed at the end of the dust outlet channel 9, so that dust collecting devices such as a dust bag and a dust box can be conveniently mounted and detached to be toppled over at any time.

As a preferred embodiment, the dust suction fan 5 includes a fan disc 28, the dust suction port 6 is formed in the middle of the fan disc 28, a plurality of arc-shaped blades 29 are formed on the fan disc 28, the dust outlet 7 is formed between adjacent arc-shaped blades 29, and the dust suction port 6 is communicated with the dust outlet 7. The utility model discloses a dust absorption fan 5 both had been regarded as the device that produces the negative pressure, and as the circulation route of dust again, the dust gets into out dirt passageway 9 from dust absorption passageway 8 behind dust absorption fan 5, and structural design is compact reasonable, has reduced the utility model discloses a volume.

Preferably, a holding handle is arranged at the rear end of the electric hammer main body 1, a starting button is formed on the holding handle, and a battery pack mounting seat is arranged at the bottom of the holding handle; a plurality of heat dissipation holes are formed in the electric hammer main body 1.

The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, 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. The utility model provides a from taking dust absorption formula electric hammer which characterized in that: comprises an electric hammer main body (1) and a dust suction device arranged on the electric hammer main body (1); a driving motor (2) and an electric hammer component (3) are arranged in the electric hammer main body (1), and the driving motor (2) can drive the electric hammer component (3) to work; dust extraction including set up in dust absorption fan (5) on driving motor (2) motor shaft (4), driving motor (2) can drive dust absorption fan (5) and rotate, be equipped with dust absorption mouth (6) and play dirt mouth (7) on dust absorption fan (5), dust absorption mouth (6) department is connected with dust absorption passageway (8), it is connected with out dirt passageway (9) to go out dirt mouth (7), the outer end of dust absorption passageway (8) is provided with dust absorption head (10), and dust absorption head (10) are located the front end of electric hammer main part (1).

2. The self-contained suction electric hammer as claimed in claim 1, wherein: dust absorption passageway (8) are including advancing dust pipe (11) and can dismantle extension pipe (12) of connecting in dust pipe (11) outer end on being fixed in electric hammer main part (1), dust absorption head (10) set up in the outer end of extension pipe (12).

3. A self-contained suction hammer as set forth in claim 2, wherein: the extension pipe (12) is including fixed pipe (13) and flexible pipe (14) that overlap each other and establish, and fixed pipe (13) one end can be dismantled with dust inlet pipe (11) and be connected, and the other end is the free end, flexible pipe (14) can be fixed relatively pipe (13) axial displacement, dust absorption head (10) set up in the outer end of flexible pipe (14).

4. The self-contained suction electric hammer as set forth in claim 3, wherein: extension pipe (12) overcoat is equipped with installation pipe (15), and the one end of installation pipe (15) can be dismantled and be fixed in on electric hammer main part (1), fixed pipe (13) are fixed in installation pipe (15), flexible pipe (14) activity set up in between fixed pipe (13) and installation pipe (15), flexible pipe (14) can be relatively installed pipe (15) and fixed pipe (13) axial displacement.

5. The self-contained suction electric hammer according to claim 4, wherein: the end part of the fixed pipe (13) is fixed with a connecting pipe (16), the fixed pipe (13) is communicated with the dust inlet pipe (11) through the connecting pipe (16), a convex edge (17) is formed on the connecting pipe (16), and the convex edge (17) is clamped in a clamping groove (18) formed in the mounting pipe (15).

6. The self-contained suction electric hammer as set forth in claim 5, wherein: the end part of the mounting pipe (15) is formed with a buckling part (19), a buckling hole (20) matched with the buckling part (19) is formed in the electric hammer main body (1), the buckling part (19) is clamped in the buckling hole (20), and the mounting pipe (15) and the extension pipe (12) can be taken down by pressing the buckling part (19) to be separated from the buckling hole (20).

7. The self-contained suction electric hammer as claimed in any one of claims 1 to 6, wherein: the front end of the dust collection head (10) is provided with a dust inlet (21), and the rear end is provided with a drill bit hole (22) for a drill bit to penetrate through.

8. The self-contained suction electric hammer as claimed in any one of claims 3 to 6, wherein: the dust collection head (10) is connected with the telescopic pipe (14) through a quick connecting piece (23), the dust collection head (10) is inserted into the quick connecting piece (23) and is perpendicular to the telescopic pipe (14), a fixing piece (24) is arranged on the quick connecting piece (23), a fixing hole (25) is formed in the telescopic pipe (14), one end of the fixing piece (24) is fixed on the quick connecting piece (23), a fixing part (26) is formed at the other end of the fixing piece (24), and the fixing part (26) is clamped in the fixing hole (25).

9. The self-contained suction electric hammer as claimed in any one of claims 1 to 6, wherein: and a dust collection connecting part (27) is formed at the end part of the dust outlet channel (9).

10. The self-contained suction electric hammer as claimed in any one of claims 1 to 6, wherein: dust absorption fan (5) are seted up including fan dish (28), the middle part of fan dish (28) dust absorption mouth (6), and fan dish (28) go up the shaping has a plurality of arc blade (29), forms between adjacent arc blade (29) go out dirt mouth (7), dust absorption mouth (6) and play dirt mouth (7) intercommunication.