CN207155710U - A kind of electric hammer - Google Patents
A kind of electric hammer Download PDFInfo
- Publication number
- CN207155710U CN207155710U CN201721192942.XU CN201721192942U CN207155710U CN 207155710 U CN207155710 U CN 207155710U CN 201721192942 U CN201721192942 U CN 201721192942U CN 207155710 U CN207155710 U CN 207155710U
- Authority
- CN
- China
- Prior art keywords
- clip
- axle sleeve
- push rod
- drill bit
- electric hammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
It the utility model is related to a kind of electric hammer, including hammer body, the hammer body output end is provided with jaw, drill bit is connected with the jaw, dismountable clip is provided between the hammer body and jaw, the clip be provided with the homoaxial axle sleeve of drill bit, be arranged with the axle sleeve for contradicting the push rod on pre-perforated surface of wall, the push rod can axially move through clamping screw in axle sleeve and be fixed.The utility model enables the depth capacity that drill bit bores to be controlled, effectively avoids drill bit from destroying the heat-insulation layer of floor, protect the structure safety on roof by increasing drill bit stopping means on electric hammer.
Description
Technical field
The utility model relates to electric drill class field of tool, more particularly to a kind of electric hammer.
Background technology
Electric hammer is one kind in electric drill, is mainly used to drill on concrete, floor, brick wall and stone material.Present interior
In ornamental work, often using electric hammer, wall and roof drill indoors, particularly indoors furred ceiling when need from the bottom up in room
Drilled on top, because the insulation layer thickness on floor layer and floor can not determine, the dynamics that applies to electric hammer of worker in drilling
Can not accurately it control, the depth of drilling is uncontrollable, it is easy to drill through floor and be drilled into heat-insulation layer, destroy heat-insulation layer
Structure, influence the heat insulation effect on roof.
Utility model content
The purpose of this utility model is to provide a kind of electric hammer, by increasing drill bit stopping means on electric hammer, makes drill bit
The depth capacity that can be bored is controlled, and effectively avoids drill bit from destroying the heat-insulation layer of floor, protects the structure safety on roof.
Above-mentioned purpose of the present utility model technical scheme is that:
A kind of electric hammer, including hammer body, the hammer body output end are provided with jaw, drill bit, the hammer are connected with the jaw
Be provided with dismountable clip between body and jaw, the clip be provided with the homoaxial axle sleeve of drill bit, be arranged in the axle sleeve
Have for contradicting the push rod on pre-perforated surface of wall, the push rod can axially move through clamping screw in axle sleeve and enter
Row is fixed.
By using above-mentioned technical proposal, axle sleeve is provided with by clip between hammer body and jaw, is arranged in axle sleeve
There is push rod, push rod can be slided along axle sleeve, and push rod is fixed using clamping screw, and roof is being punched using electric hammer
When, the position of push rod is first adjusted, the depth punched as needed, the distance of push rod front end and chisel edge is adjusted, then passes through
Push rod is locked by clamping screw, and during punching, drill bit gets into desired depth, and mandrel ends will be against roof surface,
Make drill bit will not continue to creep into, the depth that pierces of drill bit is effectively controlled, prevent drill bit from piercing too deep, can protect well
The structures such as heat-insulation layer and waterproof layer in wall.
Preferably, the push rod points to identical end set with drill bit the top plate contradicted with pre-perforated wall.
By using above-mentioned technical proposal, surface of wall can be protected well, avoids push rod from damaging roof surface.
Preferably, being provided with guide groove on the push rod along its length, the end of the clamping screw, which contradicts, is leading
Into groove.
By using above-mentioned technical proposal, push rod is limited by guide groove and clamping screw, avoid push rod because
Rotate and cause clamping screw to loosen, ensure that the fixed structure of push rod is more firm.
Preferably, the axle sleeve extends to the direction away from drill bit and has hush panel in the end set of extension, it is described
The regulating bolt contradicted on push rod end face is equipped with outside hush panel into axle sleeve.
By using above-mentioned technical proposal, hush panel is used for the regulating bolt that is connected, and regulating bolt is used to adjust push rod,
Because regulating bolt is limited in the rear end of push rod, make that push rod installs more firmly, push rod is striking roof table
When on face, push rod will not be subjected to displacement, and the distance of push rod front end and chisel edge is constant, it is ensured that drilling depth is more accurate, together
When the position of push rod can also be finely adjusted by turning regulating bolt in the case where not loosening clamping screw, convenient weight
The new depth for determining drilling.
Preferably, the axle sleeve is provided with vertically in one end side wall of hush panel exposes the disconnected of push rod in axle sleeve
Face, scale is provided with the section.
By using above-mentioned technical proposal, section and scale are set, the convenient regulation for observing regulating bolt to push rod, make top
The position adjustments of bar are more accurate.
Preferably, the clip includes hinged the first clip and the second clip in one end, first clip
It is attached with the other end of the second clip by connection component.
By using above-mentioned technical proposal, clip is connected by the way of docking, is firmly installed, and convenient disassembly.
Preferably, the connection component includes the screw rod that is hinged on the first clamp connection end of one end and is set in screw rod
The nut of the other end, the connection end of second clip are provided with U-shaped opening, and the width of the U-shaped opening is more than the diameter of screw rod
And can be screwed in less than the periphery width of nut, the screw rod and nut in U-shaped opening, lock the first clip and the second clip.
By using above-mentioned technical proposal, the connection end of two clips is attached by screw rod and nut, and screw rod is hinged
On the first clip, rotate screw rod and be stuck in the U-shaped opening of the second clip, block by tightening nut the first clip and second
Hoop connection end moves closer to and locked, this locking mode, and locking and loosening are all fairly simple, and locking effect is good.
Preferably, the axle sleeve is structure as a whole with the first clip or the second clip.
By using above-mentioned technical proposal, the bonding strength of axle sleeve and clip is ensure that, when push rod hits with roof, axle sleeve
It is not readily separated with clip.
Preferably, the neck of installation clip is provided between the hammer body and jaw.
By using above-mentioned technical proposal, clip is stuck in neck, avoids clip from being slided on hammer body, is further ensured that
The firm stable of push rod mounting structure.
In summary, the utility model has the advantages that:The utility model sets push rod by drill bit, and drill bit bores
To desired depth, mandrel ends will be against roof surface, make drill bit will not continue to creep into, and make the depth that pierces of drill bit be had
Effect control, prevents drill bit from piercing too deep, can protect the structures such as heat-insulation layer and waterproof layer in roof and wall well.Pass through tune
Section bolt and clamping screw are limited push rod twice, are avoided push rod because rotating or hitting and loosen, are ensured top
Bar is fixed more firm.Clip is connected by the way of docking, is firmly installed, and convenient disassembly.Clip is stuck in neck
It is interior, avoid clip from being slided on hammer body, further ensure the firm stable of push rod mounting structure.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electric hammer;
Fig. 2 is the configuration schematic diagram of the utility model electric hammer;
Fig. 3 is the structural representation of the utility model clip.
In figure, 1, hammer body;11st, jaw;12nd, drill bit;13rd, neck;2nd, clip;21st, the first clip;22nd, the second clip;
221st, U-shaped opening;222nd, card-tight part;23rd, connection component;231st, screw rod;232nd, nut;3rd, axle sleeve;31st, clamping screw;32nd, seal
Oralia;33rd, regulating bolt;34th, section;4th, push rod;41st, top plate;42nd, guide groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
In the description that the utility model is created, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and creates and simplify description, rather than indicates or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
A kind of electric hammer, as shown in figure 1 and 2, electric hammer include hammer body 1, and handle is provided with hammer body 1, is switched, in hammer body 1
The structures such as motor, rotor are installed, the jaw 11 of taper is installed in the front end of hammer body 1, drill bit 12 is clamped and fixed in jaw
In 11, the openings of sizes of jaw 11 can be adjusted, and can clamp the drill bit 12 of different model.
There is a cylindrical section between hammer body 1 and jaw 11, clip 2 is arranged on cylindrical section and clamped, in the outer of clip 2
A columnar axle sleeve 3, the axial direction of axle sleeve 3 and the axial direction of drill bit 12 are provided with wall and positioned at the left side of hammer body 1
Direction is identical, and axle sleeve 3 extends to the direction away from drill bit 12, and extends to the middle part of hammer body 1, and axle sleeve 3 is away from drill bit 12
One end is axially cut off, and forms the tubular of semicircular arc, and the section 34 being cut into is parallel with the direction of drill bit 12, and axle sleeve 3 is remote
One end of drill bit 12 closes port by the hush panel 32 of circle.
Push rod 4 is installed on axle sleeve 3, push rod 4 is cylindrical bar, and push rod 4 is fixed with circle with 12 equidirectional end of drill bit
The top plate 41 of shape, the extension elongation of top plate 41 are less than the extension elongation of drill bit 12, and drill bit 12 gets into certain depth in drilling
Degree, top plate 41 will be against on the working face of drilling, drill bit 12 is not continued deeper into, and prevent drill bit 12 from destroying heat-insulation layer and preventing
The structures such as water layer.
Guide groove 42 is provided with push rod 4 along its length, push rod 4 is inserted into from axle sleeve 3 close to one end of drill bit 12
In axle sleeve 3, clamping screw 31 is internally radially equipped with outside the side wall of axle sleeve 3, clamping screw 31 is threadedly coupled with axle sleeve 3,
The end of clamping screw 31 is against in the guide groove 42 on push rod 4, and by adjusting clamping screw 31, can be fixedly clamped push rod 4.
Regulating bolt 33, regulating bolt 33 and hush panel are axially equipped with into axle sleeve 3 in the outer end of hush panel 32 of axle sleeve 3
32 threaded connections, and the end of regulating bolt 33 is against the end of push rod 4, be able to can be promoted by rotating regulating bolt 33
Push rod 4 is moved in axle sleeve 3, and the position of push rod 4 is finely adjusted, for convenience of the fine setting distance of push rod 4 is controlled, in axle sleeve 3
The scale axially arranged is provided with section 34, for convenience of regulating bolt 33 is rotated, the nut of regulating bolt 33 is plum blossom disk knot
Structure.
As shown in Fig. 2 the coupling part by adjusting clip 2, can remove clip 2, from hammer body 1 to prevent clip 2
It can be slid axially on hammer body 1, the neck 13 of annular, the width and card of neck 13 are offered between hammer body 1 and jaw 11
The width of hoop 2 is identical, clip 2 is stuck in neck 13 just.By adjusting the elasticity of clamping screw 31, push rod can be achieved
4 dismounting, it is convenient for changing push rod 4.
As shown in Figure 3, clip 2 includes the first clip 21 and the second clip 22 of the relative circular arc of opening, the first card
One end of the clip 22 of hoop 21 and second is hinged, and the other end of the first clip 21 and the second clip 22 is connection end, is passed through
Connection component 23 links together.Connection component 23 includes screw rod 231 and nut 232, and one end of screw rod 231 is hinged on the first card
The connection end of hoop 21, the other end are arranged with nut 232, form screw nut assembly.U is offered on the connection end of second clip 22
Shape opening 221, the width of U-shaped opening 221 are more than the diameter of screw rod 231, and the width of the periphery less than nut 232.
When clip 2 is installed, screw rod 231 is rotated, it is embedded into U-shaped opening 221, it is remote that nut 232 is stuck in U-shaped opening 221
From the side of screw rod jointed shaft, then further tightening nut 232, makes the connection end of the first clip 21 and the second clip 22 gradual
It is close, clip 2 is clamped on electric hammer.During dismounting, as long as loose nut 232, it is kept completely separate without screw rod 231 and nut 232,
Connection component 23 can be taken out out of U-shaped opening 221, open clip 2, taken off from electric hammer.
After preventing clip 2 from fixing, the connection end of connection component 23 and the second clip 22 is mutually disengaged, U-shaped opening 221
Both sides to away from the connection end of the first clip 21 direction bend, formed card-tight part 222, card-tight part 222 is perpendicular to the second clip
22 connection end, for limiting the free degree of the nut 232 along the direction of U-shaped opening 221, prevent nut 232 from the second clip 22
Connection end comes off, further clamping clip 2.
To reduce installation steps, the first clip 21 and axle sleeve 3 are set into integral structure, axle sleeve 3 is fixed on the first card
On the extrados that hoop 21 deviates from the phase of the second clip 22.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of electric hammer, including hammer body(1), the hammer body(1)Output end is provided with jaw(11), the jaw(11)On be connected with
Drill bit(12), it is characterised in that:The hammer body(1)With jaw(11)Between be provided with dismountable clip(2), the clip(2)
It is provided with and drill bit(12)Homoaxial axle sleeve(3), the axle sleeve(3)Inside it is arranged with for contradicting in pre-perforated surface of wall
Push rod(4), the push rod(4)Can be in axle sleeve(3)Interior axial direction moves through clamping screw(31)It is fixed.
A kind of 2. electric hammer according to claim 1, it is characterised in that:The push rod(4)With drill bit(12)Point to identical
End set has the top plate contradicted with pre-perforated wall(41).
A kind of 3. electric hammer according to claim 1, it is characterised in that:The push rod(4)On be provided with lead along its length
To groove(42), the clamping screw(31)End contradict in guide groove(42)It is interior.
A kind of 4. electric hammer according to claim 1, it is characterised in that:The axle sleeve(3)To away from drill bit(12)Direction
Extend and have hush panel in the end set of extension(32), the hush panel(32)It is outside to axle sleeve(3)Conflict is inside equipped with to exist
Push rod(4)Regulating bolt on end face(33).
A kind of 5. electric hammer according to claim 4, it is characterised in that:The axle sleeve(3)Close to hush panel(32)One end
It is provided with vertically in side wall and exposes axle sleeve(3)Interior push rod(4)Section(34), the section(34)On be provided with scale.
A kind of 6. electric hammer according to claim 1, it is characterised in that:The clip(2)It is hinged including one end
First clip(21)With the second clip(22), first clip(21)With the second clip(22)The other end pass through connection component
(23)It is attached.
A kind of 7. electric hammer according to claim 6, it is characterised in that:The connection component(23)Is hinged on including one end
One clip(21)Screw rod on connection end(231)Be set in screw rod(231)The nut of the other end(232), second clip
(22)Connection end be provided with U-shaped opening(221), the U-shaped opening(221)Width be more than screw rod(231)Diameter and be less than
Nut(232)Periphery width, the screw rod(231)And nut(232)U-shaped opening can be screwed in(221)In, lock the first clip
(21)With the second clip(22).
A kind of 8. electric hammer according to claim 6 or 7, it is characterised in that:The axle sleeve(3)With the first clip(21)Or the
Two clips(22)It is structure as a whole.
A kind of 9. electric hammer according to claim 1, it is characterised in that:The hammer body(1)With jaw(11)Between be provided with peace
Be loaded hoop(2)Neck(13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721192942.XU CN207155710U (en) | 2017-09-15 | 2017-09-15 | A kind of electric hammer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721192942.XU CN207155710U (en) | 2017-09-15 | 2017-09-15 | A kind of electric hammer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207155710U true CN207155710U (en) | 2018-03-30 |
Family
ID=61722427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721192942.XU Expired - Fee Related CN207155710U (en) | 2017-09-15 | 2017-09-15 | A kind of electric hammer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207155710U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109968293A (en) * | 2019-04-30 | 2019-07-05 | 中建安装集团有限公司 | A kind of plane stationary fixture about electric hammer drill tool |
CN111336880A (en) * | 2020-03-03 | 2020-06-26 | 南京安吉特矿山工程有限公司 | Dust settling method for mine blasting |
-
2017
- 2017-09-15 CN CN201721192942.XU patent/CN207155710U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109968293A (en) * | 2019-04-30 | 2019-07-05 | 中建安装集团有限公司 | A kind of plane stationary fixture about electric hammer drill tool |
CN109968293B (en) * | 2019-04-30 | 2024-02-06 | 中建安装集团有限公司 | Plane fixing clamp for electric hammer drill tool |
CN111336880A (en) * | 2020-03-03 | 2020-06-26 | 南京安吉特矿山工程有限公司 | Dust settling method for mine blasting |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207155710U (en) | A kind of electric hammer | |
US7658242B2 (en) | Hole coring system with lever arm | |
KR100779439B1 (en) | Boring device and boring method | |
US20110030184A1 (en) | Expansion anchor setting apparatus | |
WO2009039453A3 (en) | Directional drilling control | |
US7127972B2 (en) | Method and apparatus for attaching a rod member to a remote surface | |
CA2435380A1 (en) | Directional drilling apparatus | |
CN101158368A (en) | An improved sleeve anchor | |
TW201016990A (en) | Fastening element | |
US20120243953A1 (en) | Thread-cutting system | |
US20130149058A1 (en) | Undercutting Tool | |
US20100236040A1 (en) | Wedge anchor setting apparatus | |
AU2011326881B2 (en) | Method and device for locking a support ring to a scaffolding column | |
JP2007063882A (en) | High load bearing force anchor structure installed in expansion bore hole | |
US20080253830A1 (en) | Method of Installing Anchor Bolt, Method of Drilling Anchor Bolt Hole, and Drilling Device | |
CN207155712U (en) | A kind of electric hammer with dustproof effect | |
WO2004074635A1 (en) | A drill bit, a drill rod and a self drilling roof bolt | |
CN106013186B (en) | A kind of building municipal works slope reinforcement device | |
EP3277914B1 (en) | System, method, core drill bit and hand held core drilling machine for hole drilling in an object | |
CN207921064U (en) | A kind of construction of railways scene Special precision instrument top lifting device | |
KR200459900Y1 (en) | a sleeve fixing tool of a mold | |
RU2516306C2 (en) | Strip fixator | |
CN207696471U (en) | Drilling positioner and drilling machine | |
CN220769371U (en) | Highway bridge construction drilling machine with adjustable drilling aperture | |
CN216007859U (en) | Positioning tool for wall body embedded pipe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20190915 |